blob: 4f1ee1f2968c2cefa6fe2b07576ff55fb1144056 [file] [log] [blame]
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001/* bnx2x_main.c: Broadcom Everest network driver.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002 *
Eliezer Tamirf1410642008-02-28 11:51:50 -08003 * Copyright (c) 2007-2008 Broadcom Corporation
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
Eilon Greenstein24e3fce2008-06-12 14:30:28 -07009 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011 * Based on code from Michael Chan's bnx2 driver
12 * UDP CSUM errata workaround by Arik Gendelman
13 * Slowpath rework by Vladislav Zolotarov
Eliezer Tamirc14423f2008-02-28 11:49:42 -080014 * Statistics and Link management by Yitchak Gertner
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020015 *
16 */
17
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020018#include <linux/module.h>
19#include <linux/moduleparam.h>
20#include <linux/kernel.h>
21#include <linux/device.h> /* for dev_info() */
22#include <linux/timer.h>
23#include <linux/errno.h>
24#include <linux/ioport.h>
25#include <linux/slab.h>
26#include <linux/vmalloc.h>
27#include <linux/interrupt.h>
28#include <linux/pci.h>
29#include <linux/init.h>
30#include <linux/netdevice.h>
31#include <linux/etherdevice.h>
32#include <linux/skbuff.h>
33#include <linux/dma-mapping.h>
34#include <linux/bitops.h>
35#include <linux/irq.h>
36#include <linux/delay.h>
37#include <asm/byteorder.h>
38#include <linux/time.h>
39#include <linux/ethtool.h>
40#include <linux/mii.h>
41#ifdef NETIF_F_HW_VLAN_TX
42 #include <linux/if_vlan.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020043#endif
44#include <net/ip.h>
45#include <net/tcp.h>
46#include <net/checksum.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070047#include <net/ip6_checksum.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020048#include <linux/workqueue.h>
49#include <linux/crc32.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070050#include <linux/crc32c.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020051#include <linux/prefetch.h>
52#include <linux/zlib.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020053#include <linux/io.h>
54
55#include "bnx2x_reg.h"
56#include "bnx2x_fw_defs.h"
57#include "bnx2x_hsi.h"
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070058#include "bnx2x_link.h"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020059#include "bnx2x.h"
60#include "bnx2x_init.h"
61
Eilon Greensteinca8eac52008-11-03 16:46:58 -080062#define DRV_MODULE_VERSION "1.45.23"
63#define DRV_MODULE_RELDATE "2008/11/03"
Eilon Greenstein34f80b02008-06-23 20:33:01 -070064#define BNX2X_BC_VER 0x040200
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020065
Eilon Greenstein34f80b02008-06-23 20:33:01 -070066/* Time in jiffies before concluding the transmitter is hung */
67#define TX_TIMEOUT (5*HZ)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020068
Andrew Morton53a10562008-02-09 23:16:41 -080069static char version[] __devinitdata =
Eilon Greenstein34f80b02008-06-23 20:33:01 -070070 "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020071 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
72
Eilon Greenstein24e3fce2008-06-12 14:30:28 -070073MODULE_AUTHOR("Eliezer Tamir");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020074MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver");
75MODULE_LICENSE("GPL");
76MODULE_VERSION(DRV_MODULE_VERSION);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020077
Eilon Greenstein19680c42008-08-13 15:47:33 -070078static int disable_tpa;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020079static int use_inta;
80static int poll;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020081static int debug;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070082static int load_count[3]; /* 0-common, 1-port0, 2-port1 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020083static int use_multi;
84
Eilon Greenstein19680c42008-08-13 15:47:33 -070085module_param(disable_tpa, int, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020086module_param(use_inta, int, 0);
87module_param(poll, int, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020088module_param(debug, int, 0);
Eilon Greenstein19680c42008-08-13 15:47:33 -070089MODULE_PARM_DESC(disable_tpa, "disable the TPA (LRO) feature");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020090MODULE_PARM_DESC(use_inta, "use INT#A instead of MSI-X");
91MODULE_PARM_DESC(poll, "use polling (for debug)");
Eliezer Tamirc14423f2008-02-28 11:49:42 -080092MODULE_PARM_DESC(debug, "default debug msglevel");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020093
94#ifdef BNX2X_MULTI
95module_param(use_multi, int, 0);
96MODULE_PARM_DESC(use_multi, "use per-CPU queues");
97#endif
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080098static struct workqueue_struct *bnx2x_wq;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020099
100enum bnx2x_board_type {
101 BCM57710 = 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700102 BCM57711 = 1,
103 BCM57711E = 2,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200104};
105
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700106/* indexed by board_type, above */
Andrew Morton53a10562008-02-09 23:16:41 -0800107static struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200108 char *name;
109} board_info[] __devinitdata = {
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700110 { "Broadcom NetXtreme II BCM57710 XGb" },
111 { "Broadcom NetXtreme II BCM57711 XGb" },
112 { "Broadcom NetXtreme II BCM57711E XGb" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200113};
114
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700115
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200116static const struct pci_device_id bnx2x_pci_tbl[] = {
117 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57710,
118 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57710 },
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700119 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711,
120 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711 },
121 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711E,
122 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711E },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200123 { 0 }
124};
125
126MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
127
128/****************************************************************************
129* General service functions
130****************************************************************************/
131
132/* used only at init
133 * locking is done by mcp
134 */
135static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
136{
137 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
138 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
139 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
140 PCICFG_VENDOR_ID_OFFSET);
141}
142
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200143static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
144{
145 u32 val;
146
147 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
148 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
149 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
150 PCICFG_VENDOR_ID_OFFSET);
151
152 return val;
153}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200154
155static const u32 dmae_reg_go_c[] = {
156 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
157 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
158 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
159 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
160};
161
162/* copy command into DMAE command memory and set DMAE command go */
163static void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae,
164 int idx)
165{
166 u32 cmd_offset;
167 int i;
168
169 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
170 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
171 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
172
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700173 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
174 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200175 }
176 REG_WR(bp, dmae_reg_go_c[idx], 1);
177}
178
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700179void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
180 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200181{
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700182 struct dmae_command *dmae = &bp->init_dmae;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200183 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700184 int cnt = 200;
185
186 if (!bp->dmae_ready) {
187 u32 *data = bnx2x_sp(bp, wb_data[0]);
188
189 DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)"
190 " using indirect\n", dst_addr, len32);
191 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
192 return;
193 }
194
195 mutex_lock(&bp->dmae_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200196
197 memset(dmae, 0, sizeof(struct dmae_command));
198
199 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
200 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
201 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
202#ifdef __BIG_ENDIAN
203 DMAE_CMD_ENDIANITY_B_DW_SWAP |
204#else
205 DMAE_CMD_ENDIANITY_DW_SWAP |
206#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700207 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
208 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200209 dmae->src_addr_lo = U64_LO(dma_addr);
210 dmae->src_addr_hi = U64_HI(dma_addr);
211 dmae->dst_addr_lo = dst_addr >> 2;
212 dmae->dst_addr_hi = 0;
213 dmae->len = len32;
214 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
215 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700216 dmae->comp_val = DMAE_COMP_VAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200217
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700218 DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200219 DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
220 "dst_addr [%x:%08x (%08x)]\n"
221 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
222 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
223 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, dst_addr,
224 dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700225 DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200226 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
227 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200228
229 *wb_comp = 0;
230
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700231 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200232
233 udelay(5);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700234
235 while (*wb_comp != DMAE_COMP_VAL) {
236 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
237
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700238 if (!cnt) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200239 BNX2X_ERR("dmae timeout!\n");
240 break;
241 }
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700242 cnt--;
Yitchak Gertner12469402008-08-13 15:52:08 -0700243 /* adjust delay for emulation/FPGA */
244 if (CHIP_REV_IS_SLOW(bp))
245 msleep(100);
246 else
247 udelay(5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200248 }
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700249
250 mutex_unlock(&bp->dmae_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200251}
252
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700253void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200254{
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700255 struct dmae_command *dmae = &bp->init_dmae;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200256 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700257 int cnt = 200;
258
259 if (!bp->dmae_ready) {
260 u32 *data = bnx2x_sp(bp, wb_data[0]);
261 int i;
262
263 DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)"
264 " using indirect\n", src_addr, len32);
265 for (i = 0; i < len32; i++)
266 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
267 return;
268 }
269
270 mutex_lock(&bp->dmae_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200271
272 memset(bnx2x_sp(bp, wb_data[0]), 0, sizeof(u32) * 4);
273 memset(dmae, 0, sizeof(struct dmae_command));
274
275 dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
276 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
277 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
278#ifdef __BIG_ENDIAN
279 DMAE_CMD_ENDIANITY_B_DW_SWAP |
280#else
281 DMAE_CMD_ENDIANITY_DW_SWAP |
282#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700283 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
284 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200285 dmae->src_addr_lo = src_addr >> 2;
286 dmae->src_addr_hi = 0;
287 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
288 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
289 dmae->len = len32;
290 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
291 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700292 dmae->comp_val = DMAE_COMP_VAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200293
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700294 DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200295 DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
296 "dst_addr [%x:%08x (%08x)]\n"
297 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
298 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
299 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, src_addr,
300 dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200301
302 *wb_comp = 0;
303
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700304 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200305
306 udelay(5);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700307
308 while (*wb_comp != DMAE_COMP_VAL) {
309
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700310 if (!cnt) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200311 BNX2X_ERR("dmae timeout!\n");
312 break;
313 }
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700314 cnt--;
Yitchak Gertner12469402008-08-13 15:52:08 -0700315 /* adjust delay for emulation/FPGA */
316 if (CHIP_REV_IS_SLOW(bp))
317 msleep(100);
318 else
319 udelay(5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200320 }
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700321 DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200322 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
323 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700324
325 mutex_unlock(&bp->dmae_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200326}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200327
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700328/* used only for slowpath so not inlined */
329static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
330{
331 u32 wb_write[2];
332
333 wb_write[0] = val_hi;
334 wb_write[1] = val_lo;
335 REG_WR_DMAE(bp, reg, wb_write, 2);
336}
337
338#ifdef USE_WB_RD
339static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
340{
341 u32 wb_data[2];
342
343 REG_RD_DMAE(bp, reg, wb_data, 2);
344
345 return HILO_U64(wb_data[0], wb_data[1]);
346}
347#endif
348
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200349static int bnx2x_mc_assert(struct bnx2x *bp)
350{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200351 char last_idx;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700352 int i, rc = 0;
353 u32 row0, row1, row2, row3;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200354
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700355 /* XSTORM */
356 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
357 XSTORM_ASSERT_LIST_INDEX_OFFSET);
358 if (last_idx)
359 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200360
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700361 /* print the asserts */
362 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200363
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700364 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
365 XSTORM_ASSERT_LIST_OFFSET(i));
366 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
367 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
368 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
369 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
370 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
371 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200372
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700373 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
374 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
375 " 0x%08x 0x%08x 0x%08x\n",
376 i, row3, row2, row1, row0);
377 rc++;
378 } else {
379 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200380 }
381 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700382
383 /* TSTORM */
384 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
385 TSTORM_ASSERT_LIST_INDEX_OFFSET);
386 if (last_idx)
387 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
388
389 /* print the asserts */
390 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
391
392 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
393 TSTORM_ASSERT_LIST_OFFSET(i));
394 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
395 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
396 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
397 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
398 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
399 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
400
401 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
402 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
403 " 0x%08x 0x%08x 0x%08x\n",
404 i, row3, row2, row1, row0);
405 rc++;
406 } else {
407 break;
408 }
409 }
410
411 /* CSTORM */
412 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
413 CSTORM_ASSERT_LIST_INDEX_OFFSET);
414 if (last_idx)
415 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
416
417 /* print the asserts */
418 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
419
420 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
421 CSTORM_ASSERT_LIST_OFFSET(i));
422 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
423 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
424 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
425 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
426 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
427 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
428
429 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
430 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
431 " 0x%08x 0x%08x 0x%08x\n",
432 i, row3, row2, row1, row0);
433 rc++;
434 } else {
435 break;
436 }
437 }
438
439 /* USTORM */
440 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
441 USTORM_ASSERT_LIST_INDEX_OFFSET);
442 if (last_idx)
443 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
444
445 /* print the asserts */
446 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
447
448 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
449 USTORM_ASSERT_LIST_OFFSET(i));
450 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
451 USTORM_ASSERT_LIST_OFFSET(i) + 4);
452 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
453 USTORM_ASSERT_LIST_OFFSET(i) + 8);
454 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
455 USTORM_ASSERT_LIST_OFFSET(i) + 12);
456
457 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
458 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
459 " 0x%08x 0x%08x 0x%08x\n",
460 i, row3, row2, row1, row0);
461 rc++;
462 } else {
463 break;
464 }
465 }
466
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200467 return rc;
468}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800469
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200470static void bnx2x_fw_dump(struct bnx2x *bp)
471{
472 u32 mark, offset;
473 u32 data[9];
474 int word;
475
476 mark = REG_RD(bp, MCP_REG_MCPR_SCRATCH + 0xf104);
Eliezer Tamir49d66772008-02-28 11:53:13 -0800477 mark = ((mark + 0x3) & ~0x3);
478 printk(KERN_ERR PFX "begin fw dump (mark 0x%x)\n" KERN_ERR, mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200479
480 for (offset = mark - 0x08000000; offset <= 0xF900; offset += 0x8*4) {
481 for (word = 0; word < 8; word++)
482 data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
483 offset + 4*word));
484 data[8] = 0x0;
Eliezer Tamir49d66772008-02-28 11:53:13 -0800485 printk(KERN_CONT "%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200486 }
487 for (offset = 0xF108; offset <= mark - 0x08000000; offset += 0x8*4) {
488 for (word = 0; word < 8; word++)
489 data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
490 offset + 4*word));
491 data[8] = 0x0;
Eliezer Tamir49d66772008-02-28 11:53:13 -0800492 printk(KERN_CONT "%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200493 }
494 printk("\n" KERN_ERR PFX "end of fw dump\n");
495}
496
497static void bnx2x_panic_dump(struct bnx2x *bp)
498{
499 int i;
500 u16 j, start, end;
501
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700502 bp->stats_state = STATS_STATE_DISABLED;
503 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
504
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200505 BNX2X_ERR("begin crash dump -----------------\n");
506
507 for_each_queue(bp, i) {
508 struct bnx2x_fastpath *fp = &bp->fp[i];
509 struct eth_tx_db_data *hw_prods = fp->hw_tx_prods;
510
511 BNX2X_ERR("queue[%d]: tx_pkt_prod(%x) tx_pkt_cons(%x)"
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700512 " tx_bd_prod(%x) tx_bd_cons(%x) *tx_cons_sb(%x)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200513 i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700514 fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700515 BNX2X_ERR(" rx_bd_prod(%x) rx_bd_cons(%x)"
516 " *rx_bd_cons_sb(%x) rx_comp_prod(%x)"
517 " rx_comp_cons(%x) *rx_cons_sb(%x)\n",
518 fp->rx_bd_prod, fp->rx_bd_cons,
519 le16_to_cpu(*fp->rx_bd_cons_sb), fp->rx_comp_prod,
520 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
521 BNX2X_ERR(" rx_sge_prod(%x) last_max_sge(%x)"
522 " fp_c_idx(%x) *sb_c_idx(%x) fp_u_idx(%x)"
523 " *sb_u_idx(%x) bd data(%x,%x)\n",
524 fp->rx_sge_prod, fp->last_max_sge, fp->fp_c_idx,
525 fp->status_blk->c_status_block.status_block_index,
526 fp->fp_u_idx,
527 fp->status_blk->u_status_block.status_block_index,
528 hw_prods->packets_prod, hw_prods->bds_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200529
530 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
531 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
532 for (j = start; j < end; j++) {
533 struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
534
535 BNX2X_ERR("packet[%x]=[%p,%x]\n", j,
536 sw_bd->skb, sw_bd->first_bd);
537 }
538
539 start = TX_BD(fp->tx_bd_cons - 10);
540 end = TX_BD(fp->tx_bd_cons + 254);
541 for (j = start; j < end; j++) {
542 u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
543
544 BNX2X_ERR("tx_bd[%x]=[%x:%x:%x:%x]\n",
545 j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
546 }
547
548 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
549 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
550 for (j = start; j < end; j++) {
551 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
552 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
553
554 BNX2X_ERR("rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700555 j, rx_bd[1], rx_bd[0], sw_bd->skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200556 }
557
Eilon Greenstein3196a882008-08-13 15:58:49 -0700558 start = RX_SGE(fp->rx_sge_prod);
559 end = RX_SGE(fp->last_max_sge);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700560 for (j = start; j < end; j++) {
561 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
562 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
563
564 BNX2X_ERR("rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
565 j, rx_sge[1], rx_sge[0], sw_page->page);
566 }
567
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200568 start = RCQ_BD(fp->rx_comp_cons - 10);
569 end = RCQ_BD(fp->rx_comp_cons + 503);
570 for (j = start; j < end; j++) {
571 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
572
573 BNX2X_ERR("cqe[%x]=[%x:%x:%x:%x]\n",
574 j, cqe[0], cqe[1], cqe[2], cqe[3]);
575 }
576 }
577
Eliezer Tamir49d66772008-02-28 11:53:13 -0800578 BNX2X_ERR("def_c_idx(%u) def_u_idx(%u) def_x_idx(%u)"
579 " def_t_idx(%u) def_att_idx(%u) attn_state(%u)"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200580 " spq_prod_idx(%u)\n",
Eliezer Tamir49d66772008-02-28 11:53:13 -0800581 bp->def_c_idx, bp->def_u_idx, bp->def_x_idx, bp->def_t_idx,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200582 bp->def_att_idx, bp->attn_state, bp->spq_prod_idx);
583
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700584 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200585 bnx2x_mc_assert(bp);
586 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200587}
588
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800589static void bnx2x_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200590{
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700591 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200592 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
593 u32 val = REG_RD(bp, addr);
594 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
595
596 if (msix) {
597 val &= ~HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
598 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
599 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
600 } else {
601 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800602 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200603 HC_CONFIG_0_REG_INT_LINE_EN_0 |
604 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800605
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800606 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n",
607 val, port, addr, msix);
608
609 REG_WR(bp, addr, val);
610
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200611 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
612 }
613
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800614 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200615 val, port, addr, msix);
616
617 REG_WR(bp, addr, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700618
619 if (CHIP_IS_E1H(bp)) {
620 /* init leading/trailing edge */
621 if (IS_E1HMF(bp)) {
622 val = (0xfe0f | (1 << (BP_E1HVN(bp) + 4)));
623 if (bp->port.pmf)
624 /* enable nig attention */
625 val |= 0x0100;
626 } else
627 val = 0xffff;
628
629 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
630 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
631 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200632}
633
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800634static void bnx2x_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200635{
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700636 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200637 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
638 u32 val = REG_RD(bp, addr);
639
640 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
641 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
642 HC_CONFIG_0_REG_INT_LINE_EN_0 |
643 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
644
645 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
646 val, port, addr);
647
648 REG_WR(bp, addr, val);
649 if (REG_RD(bp, addr) != val)
650 BNX2X_ERR("BUG! proper val not read from IGU!\n");
651}
652
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -0700653static void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200654{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200655 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
656 int i;
657
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700658 /* disable interrupt handling */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200659 atomic_inc(&bp->intr_sem);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -0700660 if (disable_hw)
661 /* prevent the HW from sending interrupts */
662 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200663
664 /* make sure all ISRs are done */
665 if (msix) {
666 for_each_queue(bp, i)
667 synchronize_irq(bp->msix_table[i].vector);
668
669 /* one more for the Slow Path IRQ */
670 synchronize_irq(bp->msix_table[i].vector);
671 } else
672 synchronize_irq(bp->pdev->irq);
673
674 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -0800675 cancel_delayed_work(&bp->sp_task);
676 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200677}
678
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700679/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200680
681/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700682 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200683 */
684
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700685static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 sb_id,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200686 u8 storm, u16 index, u8 op, u8 update)
687{
Eilon Greenstein5c862842008-08-13 15:51:48 -0700688 u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
689 COMMAND_REG_INT_ACK);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200690 struct igu_ack_register igu_ack;
691
692 igu_ack.status_block_index = index;
693 igu_ack.sb_id_and_flags =
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700694 ((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200695 (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) |
696 (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) |
697 (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT));
698
Eilon Greenstein5c862842008-08-13 15:51:48 -0700699 DP(BNX2X_MSG_OFF, "write 0x%08x to HC addr 0x%x\n",
700 (*(u32 *)&igu_ack), hc_addr);
701 REG_WR(bp, hc_addr, (*(u32 *)&igu_ack));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200702}
703
704static inline u16 bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp)
705{
706 struct host_status_block *fpsb = fp->status_blk;
707 u16 rc = 0;
708
709 barrier(); /* status block is written to by the chip */
710 if (fp->fp_c_idx != fpsb->c_status_block.status_block_index) {
711 fp->fp_c_idx = fpsb->c_status_block.status_block_index;
712 rc |= 1;
713 }
714 if (fp->fp_u_idx != fpsb->u_status_block.status_block_index) {
715 fp->fp_u_idx = fpsb->u_status_block.status_block_index;
716 rc |= 2;
717 }
718 return rc;
719}
720
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200721static u16 bnx2x_ack_int(struct bnx2x *bp)
722{
Eilon Greenstein5c862842008-08-13 15:51:48 -0700723 u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
724 COMMAND_REG_SIMD_MASK);
725 u32 result = REG_RD(bp, hc_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200726
Eilon Greenstein5c862842008-08-13 15:51:48 -0700727 DP(BNX2X_MSG_OFF, "read 0x%08x from HC addr 0x%x\n",
728 result, hc_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200729
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200730 return result;
731}
732
733
734/*
735 * fast path service functions
736 */
737
738/* free skb in the packet ring at pos idx
739 * return idx of last bd freed
740 */
741static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp,
742 u16 idx)
743{
744 struct sw_tx_bd *tx_buf = &fp->tx_buf_ring[idx];
745 struct eth_tx_bd *tx_bd;
746 struct sk_buff *skb = tx_buf->skb;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700747 u16 bd_idx = TX_BD(tx_buf->first_bd), new_cons;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200748 int nbd;
749
750 DP(BNX2X_MSG_OFF, "pkt_idx %d buff @(%p)->skb %p\n",
751 idx, tx_buf, skb);
752
753 /* unmap first bd */
754 DP(BNX2X_MSG_OFF, "free bd_idx %d\n", bd_idx);
755 tx_bd = &fp->tx_desc_ring[bd_idx];
756 pci_unmap_single(bp->pdev, BD_UNMAP_ADDR(tx_bd),
757 BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
758
759 nbd = le16_to_cpu(tx_bd->nbd) - 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700760 new_cons = nbd + tx_buf->first_bd;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200761#ifdef BNX2X_STOP_ON_ERROR
762 if (nbd > (MAX_SKB_FRAGS + 2)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700763 BNX2X_ERR("BAD nbd!\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200764 bnx2x_panic();
765 }
766#endif
767
768 /* Skip a parse bd and the TSO split header bd
769 since they have no mapping */
770 if (nbd)
771 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
772
773 if (tx_bd->bd_flags.as_bitfield & (ETH_TX_BD_FLAGS_IP_CSUM |
774 ETH_TX_BD_FLAGS_TCP_CSUM |
775 ETH_TX_BD_FLAGS_SW_LSO)) {
776 if (--nbd)
777 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
778 tx_bd = &fp->tx_desc_ring[bd_idx];
779 /* is this a TSO split header bd? */
780 if (tx_bd->bd_flags.as_bitfield & ETH_TX_BD_FLAGS_SW_LSO) {
781 if (--nbd)
782 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
783 }
784 }
785
786 /* now free frags */
787 while (nbd > 0) {
788
789 DP(BNX2X_MSG_OFF, "free frag bd_idx %d\n", bd_idx);
790 tx_bd = &fp->tx_desc_ring[bd_idx];
791 pci_unmap_page(bp->pdev, BD_UNMAP_ADDR(tx_bd),
792 BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
793 if (--nbd)
794 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
795 }
796
797 /* release skb */
Ilpo Järvinen53e5e962008-07-25 21:40:45 -0700798 WARN_ON(!skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200799 dev_kfree_skb(skb);
800 tx_buf->first_bd = 0;
801 tx_buf->skb = NULL;
802
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700803 return new_cons;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200804}
805
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700806static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200807{
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700808 s16 used;
809 u16 prod;
810 u16 cons;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200811
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700812 barrier(); /* Tell compiler that prod and cons can change */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200813 prod = fp->tx_bd_prod;
814 cons = fp->tx_bd_cons;
815
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700816 /* NUM_TX_RINGS = number of "next-page" entries
817 It will be used as a threshold */
818 used = SUB_S16(prod, cons) + (s16)NUM_TX_RINGS;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200819
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700820#ifdef BNX2X_STOP_ON_ERROR
Ilpo Järvinen53e5e962008-07-25 21:40:45 -0700821 WARN_ON(used < 0);
822 WARN_ON(used > fp->bp->tx_ring_size);
823 WARN_ON((fp->bp->tx_ring_size - used) > MAX_TX_AVAIL);
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700824#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200825
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700826 return (s16)(fp->bp->tx_ring_size) - used;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200827}
828
829static void bnx2x_tx_int(struct bnx2x_fastpath *fp, int work)
830{
831 struct bnx2x *bp = fp->bp;
832 u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons;
833 int done = 0;
834
835#ifdef BNX2X_STOP_ON_ERROR
836 if (unlikely(bp->panic))
837 return;
838#endif
839
840 hw_cons = le16_to_cpu(*fp->tx_cons_sb);
841 sw_cons = fp->tx_pkt_cons;
842
843 while (sw_cons != hw_cons) {
844 u16 pkt_cons;
845
846 pkt_cons = TX_BD(sw_cons);
847
848 /* prefetch(bp->tx_buf_ring[pkt_cons].skb); */
849
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700850 DP(NETIF_MSG_TX_DONE, "hw_cons %u sw_cons %u pkt_cons %u\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200851 hw_cons, sw_cons, pkt_cons);
852
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700853/* if (NEXT_TX_IDX(sw_cons) != hw_cons) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200854 rmb();
855 prefetch(fp->tx_buf_ring[NEXT_TX_IDX(sw_cons)].skb);
856 }
857*/
858 bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons);
859 sw_cons++;
860 done++;
861
862 if (done == work)
863 break;
864 }
865
866 fp->tx_pkt_cons = sw_cons;
867 fp->tx_bd_cons = bd_cons;
868
869 /* Need to make the tx_cons update visible to start_xmit()
870 * before checking for netif_queue_stopped(). Without the
871 * memory barrier, there is a small possibility that start_xmit()
872 * will miss it and cause the queue to be stopped forever.
873 */
874 smp_mb();
875
876 /* TBD need a thresh? */
877 if (unlikely(netif_queue_stopped(bp->dev))) {
878
879 netif_tx_lock(bp->dev);
880
881 if (netif_queue_stopped(bp->dev) &&
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -0700882 (bp->state == BNX2X_STATE_OPEN) &&
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200883 (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3))
884 netif_wake_queue(bp->dev);
885
886 netif_tx_unlock(bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200887 }
888}
889
Eilon Greenstein3196a882008-08-13 15:58:49 -0700890
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200891static void bnx2x_sp_event(struct bnx2x_fastpath *fp,
892 union eth_rx_cqe *rr_cqe)
893{
894 struct bnx2x *bp = fp->bp;
895 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
896 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
897
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700898 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200899 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700900 FP_IDX(fp), cid, command, bp->state,
901 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200902
903 bp->spq_left++;
904
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700905 if (FP_IDX(fp)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200906 switch (command | fp->state) {
907 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP |
908 BNX2X_FP_STATE_OPENING):
909 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n",
910 cid);
911 fp->state = BNX2X_FP_STATE_OPEN;
912 break;
913
914 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
915 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n",
916 cid);
917 fp->state = BNX2X_FP_STATE_HALTED;
918 break;
919
920 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700921 BNX2X_ERR("unexpected MC reply (%d) "
922 "fp->state is %x\n", command, fp->state);
923 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200924 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700925 mb(); /* force bnx2x_wait_ramrod() to see the change */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200926 return;
927 }
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800928
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200929 switch (command | bp->state) {
930 case (RAMROD_CMD_ID_ETH_PORT_SETUP | BNX2X_STATE_OPENING_WAIT4_PORT):
931 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
932 bp->state = BNX2X_STATE_OPEN;
933 break;
934
935 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_STATE_CLOSING_WAIT4_HALT):
936 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
937 bp->state = BNX2X_STATE_CLOSING_WAIT4_DELETE;
938 fp->state = BNX2X_FP_STATE_HALTED;
939 break;
940
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200941 case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_CLOSING_WAIT4_HALT):
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700942 DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", cid);
Eliezer Tamir49d66772008-02-28 11:53:13 -0800943 bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200944 break;
945
Eilon Greenstein3196a882008-08-13 15:58:49 -0700946
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200947 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN):
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700948 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DIAG):
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200949 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -0700950 bp->set_mac_pending = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200951 break;
952
Eliezer Tamir49d66772008-02-28 11:53:13 -0800953 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT):
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700954 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
Eliezer Tamir49d66772008-02-28 11:53:13 -0800955 break;
956
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200957 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700958 BNX2X_ERR("unexpected MC reply (%d) bp->state is %x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200959 command, bp->state);
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700960 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200961 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700962 mb(); /* force bnx2x_wait_ramrod() to see the change */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200963}
964
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700965static inline void bnx2x_free_rx_sge(struct bnx2x *bp,
966 struct bnx2x_fastpath *fp, u16 index)
967{
968 struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
969 struct page *page = sw_buf->page;
970 struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
971
972 /* Skip "next page" elements */
973 if (!page)
974 return;
975
976 pci_unmap_page(bp->pdev, pci_unmap_addr(sw_buf, mapping),
Eilon Greenstein4f40f2c2009-01-14 21:24:17 -0800977 SGE_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700978 __free_pages(page, PAGES_PER_SGE_SHIFT);
979
980 sw_buf->page = NULL;
981 sge->addr_hi = 0;
982 sge->addr_lo = 0;
983}
984
985static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
986 struct bnx2x_fastpath *fp, int last)
987{
988 int i;
989
990 for (i = 0; i < last; i++)
991 bnx2x_free_rx_sge(bp, fp, i);
992}
993
994static inline int bnx2x_alloc_rx_sge(struct bnx2x *bp,
995 struct bnx2x_fastpath *fp, u16 index)
996{
997 struct page *page = alloc_pages(GFP_ATOMIC, PAGES_PER_SGE_SHIFT);
998 struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
999 struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
1000 dma_addr_t mapping;
1001
1002 if (unlikely(page == NULL))
1003 return -ENOMEM;
1004
Eilon Greenstein4f40f2c2009-01-14 21:24:17 -08001005 mapping = pci_map_page(bp->pdev, page, 0, SGE_PAGE_SIZE*PAGES_PER_SGE,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001006 PCI_DMA_FROMDEVICE);
FUJITA Tomonori8d8bb392008-07-25 19:44:49 -07001007 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001008 __free_pages(page, PAGES_PER_SGE_SHIFT);
1009 return -ENOMEM;
1010 }
1011
1012 sw_buf->page = page;
1013 pci_unmap_addr_set(sw_buf, mapping, mapping);
1014
1015 sge->addr_hi = cpu_to_le32(U64_HI(mapping));
1016 sge->addr_lo = cpu_to_le32(U64_LO(mapping));
1017
1018 return 0;
1019}
1020
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001021static inline int bnx2x_alloc_rx_skb(struct bnx2x *bp,
1022 struct bnx2x_fastpath *fp, u16 index)
1023{
1024 struct sk_buff *skb;
1025 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index];
1026 struct eth_rx_bd *rx_bd = &fp->rx_desc_ring[index];
1027 dma_addr_t mapping;
1028
1029 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1030 if (unlikely(skb == NULL))
1031 return -ENOMEM;
1032
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07001033 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_size,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001034 PCI_DMA_FROMDEVICE);
FUJITA Tomonori8d8bb392008-07-25 19:44:49 -07001035 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001036 dev_kfree_skb(skb);
1037 return -ENOMEM;
1038 }
1039
1040 rx_buf->skb = skb;
1041 pci_unmap_addr_set(rx_buf, mapping, mapping);
1042
1043 rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1044 rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1045
1046 return 0;
1047}
1048
1049/* note that we are not allocating a new skb,
1050 * we are just moving one from cons to prod
1051 * we are not creating a new mapping,
1052 * so there is no need to check for dma_mapping_error().
1053 */
1054static void bnx2x_reuse_rx_skb(struct bnx2x_fastpath *fp,
1055 struct sk_buff *skb, u16 cons, u16 prod)
1056{
1057 struct bnx2x *bp = fp->bp;
1058 struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1059 struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1060 struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons];
1061 struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1062
1063 pci_dma_sync_single_for_device(bp->pdev,
1064 pci_unmap_addr(cons_rx_buf, mapping),
1065 bp->rx_offset + RX_COPY_THRESH,
1066 PCI_DMA_FROMDEVICE);
1067
1068 prod_rx_buf->skb = cons_rx_buf->skb;
1069 pci_unmap_addr_set(prod_rx_buf, mapping,
1070 pci_unmap_addr(cons_rx_buf, mapping));
1071 *prod_bd = *cons_bd;
1072}
1073
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001074static inline void bnx2x_update_last_max_sge(struct bnx2x_fastpath *fp,
1075 u16 idx)
1076{
1077 u16 last_max = fp->last_max_sge;
1078
1079 if (SUB_S16(idx, last_max) > 0)
1080 fp->last_max_sge = idx;
1081}
1082
1083static void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp)
1084{
1085 int i, j;
1086
1087 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
1088 int idx = RX_SGE_CNT * i - 1;
1089
1090 for (j = 0; j < 2; j++) {
1091 SGE_MASK_CLEAR_BIT(fp, idx);
1092 idx--;
1093 }
1094 }
1095}
1096
1097static void bnx2x_update_sge_prod(struct bnx2x_fastpath *fp,
1098 struct eth_fast_path_rx_cqe *fp_cqe)
1099{
1100 struct bnx2x *bp = fp->bp;
Eilon Greenstein4f40f2c2009-01-14 21:24:17 -08001101 u16 sge_len = SGE_PAGE_ALIGN(le16_to_cpu(fp_cqe->pkt_len) -
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001102 le16_to_cpu(fp_cqe->len_on_bd)) >>
Eilon Greenstein4f40f2c2009-01-14 21:24:17 -08001103 SGE_PAGE_SHIFT;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001104 u16 last_max, last_elem, first_elem;
1105 u16 delta = 0;
1106 u16 i;
1107
1108 if (!sge_len)
1109 return;
1110
1111 /* First mark all used pages */
1112 for (i = 0; i < sge_len; i++)
1113 SGE_MASK_CLEAR_BIT(fp, RX_SGE(le16_to_cpu(fp_cqe->sgl[i])));
1114
1115 DP(NETIF_MSG_RX_STATUS, "fp_cqe->sgl[%d] = %d\n",
1116 sge_len - 1, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1117
1118 /* Here we assume that the last SGE index is the biggest */
1119 prefetch((void *)(fp->sge_mask));
1120 bnx2x_update_last_max_sge(fp, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1121
1122 last_max = RX_SGE(fp->last_max_sge);
1123 last_elem = last_max >> RX_SGE_MASK_ELEM_SHIFT;
1124 first_elem = RX_SGE(fp->rx_sge_prod) >> RX_SGE_MASK_ELEM_SHIFT;
1125
1126 /* If ring is not full */
1127 if (last_elem + 1 != first_elem)
1128 last_elem++;
1129
1130 /* Now update the prod */
1131 for (i = first_elem; i != last_elem; i = NEXT_SGE_MASK_ELEM(i)) {
1132 if (likely(fp->sge_mask[i]))
1133 break;
1134
1135 fp->sge_mask[i] = RX_SGE_MASK_ELEM_ONE_MASK;
1136 delta += RX_SGE_MASK_ELEM_SZ;
1137 }
1138
1139 if (delta > 0) {
1140 fp->rx_sge_prod += delta;
1141 /* clear page-end entries */
1142 bnx2x_clear_sge_mask_next_elems(fp);
1143 }
1144
1145 DP(NETIF_MSG_RX_STATUS,
1146 "fp->last_max_sge = %d fp->rx_sge_prod = %d\n",
1147 fp->last_max_sge, fp->rx_sge_prod);
1148}
1149
1150static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp)
1151{
1152 /* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */
1153 memset(fp->sge_mask, 0xff,
1154 (NUM_RX_SGE >> RX_SGE_MASK_ELEM_SHIFT)*sizeof(u64));
1155
Eilon Greenstein33471622008-08-13 15:59:08 -07001156 /* Clear the two last indices in the page to 1:
1157 these are the indices that correspond to the "next" element,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001158 hence will never be indicated and should be removed from
1159 the calculations. */
1160 bnx2x_clear_sge_mask_next_elems(fp);
1161}
1162
1163static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue,
1164 struct sk_buff *skb, u16 cons, u16 prod)
1165{
1166 struct bnx2x *bp = fp->bp;
1167 struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1168 struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1169 struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1170 dma_addr_t mapping;
1171
1172 /* move empty skb from pool to prod and map it */
1173 prod_rx_buf->skb = fp->tpa_pool[queue].skb;
1174 mapping = pci_map_single(bp->pdev, fp->tpa_pool[queue].skb->data,
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07001175 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001176 pci_unmap_addr_set(prod_rx_buf, mapping, mapping);
1177
1178 /* move partial skb from cons to pool (don't unmap yet) */
1179 fp->tpa_pool[queue] = *cons_rx_buf;
1180
1181 /* mark bin state as start - print error if current state != stop */
1182 if (fp->tpa_state[queue] != BNX2X_TPA_STOP)
1183 BNX2X_ERR("start of bin not in stop [%d]\n", queue);
1184
1185 fp->tpa_state[queue] = BNX2X_TPA_START;
1186
1187 /* point prod_bd to new skb */
1188 prod_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1189 prod_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1190
1191#ifdef BNX2X_STOP_ON_ERROR
1192 fp->tpa_queue_used |= (1 << queue);
1193#ifdef __powerpc64__
1194 DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%lx\n",
1195#else
1196 DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%llx\n",
1197#endif
1198 fp->tpa_queue_used);
1199#endif
1200}
1201
1202static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1203 struct sk_buff *skb,
1204 struct eth_fast_path_rx_cqe *fp_cqe,
1205 u16 cqe_idx)
1206{
1207 struct sw_rx_page *rx_pg, old_rx_pg;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001208 u16 len_on_bd = le16_to_cpu(fp_cqe->len_on_bd);
1209 u32 i, frag_len, frag_size, pages;
1210 int err;
1211 int j;
1212
1213 frag_size = le16_to_cpu(fp_cqe->pkt_len) - len_on_bd;
Eilon Greenstein4f40f2c2009-01-14 21:24:17 -08001214 pages = SGE_PAGE_ALIGN(frag_size) >> SGE_PAGE_SHIFT;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001215
1216 /* This is needed in order to enable forwarding support */
1217 if (frag_size)
Eilon Greenstein4f40f2c2009-01-14 21:24:17 -08001218 skb_shinfo(skb)->gso_size = min((u32)SGE_PAGE_SIZE,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001219 max(frag_size, (u32)len_on_bd));
1220
1221#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein4f40f2c2009-01-14 21:24:17 -08001222 if (pages >
1223 min((u32)8, (u32)MAX_SKB_FRAGS) * SGE_PAGE_SIZE * PAGES_PER_SGE) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001224 BNX2X_ERR("SGL length is too long: %d. CQE index is %d\n",
1225 pages, cqe_idx);
1226 BNX2X_ERR("fp_cqe->pkt_len = %d fp_cqe->len_on_bd = %d\n",
1227 fp_cqe->pkt_len, len_on_bd);
1228 bnx2x_panic();
1229 return -EINVAL;
1230 }
1231#endif
1232
1233 /* Run through the SGL and compose the fragmented skb */
1234 for (i = 0, j = 0; i < pages; i += PAGES_PER_SGE, j++) {
1235 u16 sge_idx = RX_SGE(le16_to_cpu(fp_cqe->sgl[j]));
1236
1237 /* FW gives the indices of the SGE as if the ring is an array
1238 (meaning that "next" element will consume 2 indices) */
Eilon Greenstein4f40f2c2009-01-14 21:24:17 -08001239 frag_len = min(frag_size, (u32)(SGE_PAGE_SIZE*PAGES_PER_SGE));
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001240 rx_pg = &fp->rx_page_ring[sge_idx];
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001241 old_rx_pg = *rx_pg;
1242
1243 /* If we fail to allocate a substitute page, we simply stop
1244 where we are and drop the whole packet */
1245 err = bnx2x_alloc_rx_sge(bp, fp, sge_idx);
1246 if (unlikely(err)) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001247 bp->eth_stats.rx_skb_alloc_failed++;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001248 return err;
1249 }
1250
1251 /* Unmap the page as we r going to pass it to the stack */
1252 pci_unmap_page(bp->pdev, pci_unmap_addr(&old_rx_pg, mapping),
Eilon Greenstein4f40f2c2009-01-14 21:24:17 -08001253 SGE_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001254
1255 /* Add one frag and update the appropriate fields in the skb */
1256 skb_fill_page_desc(skb, j, old_rx_pg.page, 0, frag_len);
1257
1258 skb->data_len += frag_len;
1259 skb->truesize += frag_len;
1260 skb->len += frag_len;
1261
1262 frag_size -= frag_len;
1263 }
1264
1265 return 0;
1266}
1267
1268static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1269 u16 queue, int pad, int len, union eth_rx_cqe *cqe,
1270 u16 cqe_idx)
1271{
1272 struct sw_rx_bd *rx_buf = &fp->tpa_pool[queue];
1273 struct sk_buff *skb = rx_buf->skb;
1274 /* alloc new skb */
1275 struct sk_buff *new_skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1276
1277 /* Unmap skb in the pool anyway, as we are going to change
1278 pool entry status to BNX2X_TPA_STOP even if new skb allocation
1279 fails. */
1280 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07001281 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001282
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001283 if (likely(new_skb)) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001284 /* fix ip xsum and give it to the stack */
1285 /* (no need to map the new skb) */
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001286
1287 prefetch(skb);
1288 prefetch(((char *)(skb)) + 128);
1289
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001290#ifdef BNX2X_STOP_ON_ERROR
1291 if (pad + len > bp->rx_buf_size) {
1292 BNX2X_ERR("skb_put is about to fail... "
1293 "pad %d len %d rx_buf_size %d\n",
1294 pad, len, bp->rx_buf_size);
1295 bnx2x_panic();
1296 return;
1297 }
1298#endif
1299
1300 skb_reserve(skb, pad);
1301 skb_put(skb, len);
1302
1303 skb->protocol = eth_type_trans(skb, bp->dev);
1304 skb->ip_summed = CHECKSUM_UNNECESSARY;
1305
1306 {
1307 struct iphdr *iph;
1308
1309 iph = (struct iphdr *)skb->data;
1310 iph->check = 0;
1311 iph->check = ip_fast_csum((u8 *)iph, iph->ihl);
1312 }
1313
1314 if (!bnx2x_fill_frag_skb(bp, fp, skb,
1315 &cqe->fast_path_cqe, cqe_idx)) {
1316#ifdef BCM_VLAN
1317 if ((bp->vlgrp != NULL) &&
1318 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1319 PARSING_FLAGS_VLAN))
1320 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1321 le16_to_cpu(cqe->fast_path_cqe.
1322 vlan_tag));
1323 else
1324#endif
1325 netif_receive_skb(skb);
1326 } else {
1327 DP(NETIF_MSG_RX_STATUS, "Failed to allocate new pages"
1328 " - dropping packet!\n");
1329 dev_kfree_skb(skb);
1330 }
1331
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001332
1333 /* put new skb in bin */
1334 fp->tpa_pool[queue].skb = new_skb;
1335
1336 } else {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001337 /* else drop the packet and keep the buffer in the bin */
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001338 DP(NETIF_MSG_RX_STATUS,
1339 "Failed to allocate new skb - dropping packet!\n");
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001340 bp->eth_stats.rx_skb_alloc_failed++;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001341 }
1342
1343 fp->tpa_state[queue] = BNX2X_TPA_STOP;
1344}
1345
1346static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
1347 struct bnx2x_fastpath *fp,
1348 u16 bd_prod, u16 rx_comp_prod,
1349 u16 rx_sge_prod)
1350{
1351 struct tstorm_eth_rx_producers rx_prods = {0};
1352 int i;
1353
1354 /* Update producers */
1355 rx_prods.bd_prod = bd_prod;
1356 rx_prods.cqe_prod = rx_comp_prod;
1357 rx_prods.sge_prod = rx_sge_prod;
1358
Eilon Greenstein58f4c4c2009-01-14 21:23:36 -08001359 /*
1360 * Make sure that the BD and SGE data is updated before updating the
1361 * producers since FW might read the BD/SGE right after the producer
1362 * is updated.
1363 * This is only applicable for weak-ordered memory model archs such
1364 * as IA-64. The following barrier is also mandatory since FW will
1365 * assumes BDs must have buffers.
1366 */
1367 wmb();
1368
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001369 for (i = 0; i < sizeof(struct tstorm_eth_rx_producers)/4; i++)
1370 REG_WR(bp, BAR_TSTRORM_INTMEM +
1371 TSTORM_RX_PRODS_OFFSET(BP_PORT(bp), FP_CL_ID(fp)) + i*4,
1372 ((u32 *)&rx_prods)[i]);
1373
Eilon Greenstein58f4c4c2009-01-14 21:23:36 -08001374 mmiowb(); /* keep prod updates ordered */
1375
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001376 DP(NETIF_MSG_RX_STATUS,
1377 "Wrote: bd_prod %u cqe_prod %u sge_prod %u\n",
1378 bd_prod, rx_comp_prod, rx_sge_prod);
1379}
1380
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001381static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
1382{
1383 struct bnx2x *bp = fp->bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001384 u16 bd_cons, bd_prod, bd_prod_fw, comp_ring_cons;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001385 u16 hw_comp_cons, sw_comp_cons, sw_comp_prod;
1386 int rx_pkt = 0;
1387
1388#ifdef BNX2X_STOP_ON_ERROR
1389 if (unlikely(bp->panic))
1390 return 0;
1391#endif
1392
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001393 /* CQ "next element" is of the size of the regular element,
1394 that's why it's ok here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001395 hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb);
1396 if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
1397 hw_comp_cons++;
1398
1399 bd_cons = fp->rx_bd_cons;
1400 bd_prod = fp->rx_bd_prod;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001401 bd_prod_fw = bd_prod;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001402 sw_comp_cons = fp->rx_comp_cons;
1403 sw_comp_prod = fp->rx_comp_prod;
1404
1405 /* Memory barrier necessary as speculative reads of the rx
1406 * buffer can be ahead of the index in the status block
1407 */
1408 rmb();
1409
1410 DP(NETIF_MSG_RX_STATUS,
1411 "queue[%d]: hw_comp_cons %u sw_comp_cons %u\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001412 FP_IDX(fp), hw_comp_cons, sw_comp_cons);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001413
1414 while (sw_comp_cons != hw_comp_cons) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001415 struct sw_rx_bd *rx_buf = NULL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001416 struct sk_buff *skb;
1417 union eth_rx_cqe *cqe;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001418 u8 cqe_fp_flags;
1419 u16 len, pad;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001420
1421 comp_ring_cons = RCQ_BD(sw_comp_cons);
1422 bd_prod = RX_BD(bd_prod);
1423 bd_cons = RX_BD(bd_cons);
1424
1425 cqe = &fp->rx_comp_ring[comp_ring_cons];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001426 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001427
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001428 DP(NETIF_MSG_RX_STATUS, "CQE type %x err %x status %x"
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001429 " queue %x vlan %x len %u\n", CQE_TYPE(cqe_fp_flags),
1430 cqe_fp_flags, cqe->fast_path_cqe.status_flags,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001431 cqe->fast_path_cqe.rss_hash_result,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001432 le16_to_cpu(cqe->fast_path_cqe.vlan_tag),
1433 le16_to_cpu(cqe->fast_path_cqe.pkt_len));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001434
1435 /* is this a slowpath msg? */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001436 if (unlikely(CQE_TYPE(cqe_fp_flags))) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001437 bnx2x_sp_event(fp, cqe);
1438 goto next_cqe;
1439
1440 /* this is an rx packet */
1441 } else {
1442 rx_buf = &fp->rx_buf_ring[bd_cons];
1443 skb = rx_buf->skb;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001444 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
1445 pad = cqe->fast_path_cqe.placement_offset;
1446
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001447 /* If CQE is marked both TPA_START and TPA_END
1448 it is a non-TPA CQE */
1449 if ((!fp->disable_tpa) &&
1450 (TPA_TYPE(cqe_fp_flags) !=
1451 (TPA_TYPE_START | TPA_TYPE_END))) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07001452 u16 queue = cqe->fast_path_cqe.queue_index;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001453
1454 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_START) {
1455 DP(NETIF_MSG_RX_STATUS,
1456 "calling tpa_start on queue %d\n",
1457 queue);
1458
1459 bnx2x_tpa_start(fp, queue, skb,
1460 bd_cons, bd_prod);
1461 goto next_rx;
1462 }
1463
1464 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_END) {
1465 DP(NETIF_MSG_RX_STATUS,
1466 "calling tpa_stop on queue %d\n",
1467 queue);
1468
1469 if (!BNX2X_RX_SUM_FIX(cqe))
1470 BNX2X_ERR("STOP on none TCP "
1471 "data\n");
1472
1473 /* This is a size of the linear data
1474 on this skb */
1475 len = le16_to_cpu(cqe->fast_path_cqe.
1476 len_on_bd);
1477 bnx2x_tpa_stop(bp, fp, queue, pad,
1478 len, cqe, comp_ring_cons);
1479#ifdef BNX2X_STOP_ON_ERROR
1480 if (bp->panic)
1481 return -EINVAL;
1482#endif
1483
1484 bnx2x_update_sge_prod(fp,
1485 &cqe->fast_path_cqe);
1486 goto next_cqe;
1487 }
1488 }
1489
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001490 pci_dma_sync_single_for_device(bp->pdev,
1491 pci_unmap_addr(rx_buf, mapping),
1492 pad + RX_COPY_THRESH,
1493 PCI_DMA_FROMDEVICE);
1494 prefetch(skb);
1495 prefetch(((char *)(skb)) + 128);
1496
1497 /* is this an error packet? */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001498 if (unlikely(cqe_fp_flags & ETH_RX_ERROR_FALGS)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001499 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001500 "ERROR flags %x rx packet %u\n",
1501 cqe_fp_flags, sw_comp_cons);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001502 bp->eth_stats.rx_err_discard_pkt++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001503 goto reuse_rx;
1504 }
1505
1506 /* Since we don't have a jumbo ring
1507 * copy small packets if mtu > 1500
1508 */
1509 if ((bp->dev->mtu > ETH_MAX_PACKET_SIZE) &&
1510 (len <= RX_COPY_THRESH)) {
1511 struct sk_buff *new_skb;
1512
1513 new_skb = netdev_alloc_skb(bp->dev,
1514 len + pad);
1515 if (new_skb == NULL) {
1516 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001517 "ERROR packet dropped "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001518 "because of alloc failure\n");
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001519 bp->eth_stats.rx_skb_alloc_failed++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001520 goto reuse_rx;
1521 }
1522
1523 /* aligned copy */
1524 skb_copy_from_linear_data_offset(skb, pad,
1525 new_skb->data + pad, len);
1526 skb_reserve(new_skb, pad);
1527 skb_put(new_skb, len);
1528
1529 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1530
1531 skb = new_skb;
1532
1533 } else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) {
1534 pci_unmap_single(bp->pdev,
1535 pci_unmap_addr(rx_buf, mapping),
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07001536 bp->rx_buf_size,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001537 PCI_DMA_FROMDEVICE);
1538 skb_reserve(skb, pad);
1539 skb_put(skb, len);
1540
1541 } else {
1542 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001543 "ERROR packet dropped because "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001544 "of alloc failure\n");
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001545 bp->eth_stats.rx_skb_alloc_failed++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001546reuse_rx:
1547 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1548 goto next_rx;
1549 }
1550
1551 skb->protocol = eth_type_trans(skb, bp->dev);
1552
1553 skb->ip_summed = CHECKSUM_NONE;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001554 if (bp->rx_csum) {
Eilon Greenstein1adcd8b2008-08-13 15:48:29 -07001555 if (likely(BNX2X_RX_CSUM_OK(cqe)))
1556 skb->ip_summed = CHECKSUM_UNNECESSARY;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001557 else
1558 bp->eth_stats.hw_csum_err++;
1559 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001560 }
1561
1562#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001563 if ((bp->vlgrp != NULL) &&
1564 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1565 PARSING_FLAGS_VLAN))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001566 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1567 le16_to_cpu(cqe->fast_path_cqe.vlan_tag));
1568 else
1569#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001570 netif_receive_skb(skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001571
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001572
1573next_rx:
1574 rx_buf->skb = NULL;
1575
1576 bd_cons = NEXT_RX_IDX(bd_cons);
1577 bd_prod = NEXT_RX_IDX(bd_prod);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001578 bd_prod_fw = NEXT_RX_IDX(bd_prod_fw);
1579 rx_pkt++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001580next_cqe:
1581 sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod);
1582 sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001583
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001584 if (rx_pkt == budget)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001585 break;
1586 } /* while */
1587
1588 fp->rx_bd_cons = bd_cons;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001589 fp->rx_bd_prod = bd_prod_fw;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001590 fp->rx_comp_cons = sw_comp_cons;
1591 fp->rx_comp_prod = sw_comp_prod;
1592
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001593 /* Update producers */
1594 bnx2x_update_rx_prod(bp, fp, bd_prod_fw, sw_comp_prod,
1595 fp->rx_sge_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001596
1597 fp->rx_pkt += rx_pkt;
1598 fp->rx_calls++;
1599
1600 return rx_pkt;
1601}
1602
1603static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie)
1604{
1605 struct bnx2x_fastpath *fp = fp_cookie;
1606 struct bnx2x *bp = fp->bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001607 int index = FP_IDX(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001608
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07001609 /* Return here if interrupt is disabled */
1610 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1611 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1612 return IRQ_HANDLED;
1613 }
1614
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001615 DP(BNX2X_MSG_FP, "got an MSI-X interrupt on IDX:SB [%d:%d]\n",
1616 index, FP_SB_ID(fp));
1617 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID, 0, IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001618
1619#ifdef BNX2X_STOP_ON_ERROR
1620 if (unlikely(bp->panic))
1621 return IRQ_HANDLED;
1622#endif
1623
1624 prefetch(fp->rx_cons_sb);
1625 prefetch(fp->tx_cons_sb);
1626 prefetch(&fp->status_blk->c_status_block.status_block_index);
1627 prefetch(&fp->status_blk->u_status_block.status_block_index);
1628
Neil Horman908a7a12008-12-22 20:43:12 -08001629 netif_rx_schedule(&bnx2x_fp(bp, index, napi));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001630
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001631 return IRQ_HANDLED;
1632}
1633
1634static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
1635{
1636 struct net_device *dev = dev_instance;
1637 struct bnx2x *bp = netdev_priv(dev);
1638 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001639 u16 mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001640
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001641 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001642 if (unlikely(status == 0)) {
1643 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1644 return IRQ_NONE;
1645 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001646 DP(NETIF_MSG_INTR, "got an interrupt status %u\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001647
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001648 /* Return here if interrupt is disabled */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001649 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1650 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1651 return IRQ_HANDLED;
1652 }
1653
Eilon Greenstein3196a882008-08-13 15:58:49 -07001654#ifdef BNX2X_STOP_ON_ERROR
1655 if (unlikely(bp->panic))
1656 return IRQ_HANDLED;
1657#endif
1658
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001659 mask = 0x2 << bp->fp[0].sb_id;
1660 if (status & mask) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001661 struct bnx2x_fastpath *fp = &bp->fp[0];
1662
1663 prefetch(fp->rx_cons_sb);
1664 prefetch(fp->tx_cons_sb);
1665 prefetch(&fp->status_blk->c_status_block.status_block_index);
1666 prefetch(&fp->status_blk->u_status_block.status_block_index);
1667
Neil Horman908a7a12008-12-22 20:43:12 -08001668 netif_rx_schedule(&bnx2x_fp(bp, 0, napi));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001669
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001670 status &= ~mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001671 }
1672
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001673
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001674 if (unlikely(status & 0x1)) {
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001675 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001676
1677 status &= ~0x1;
1678 if (!status)
1679 return IRQ_HANDLED;
1680 }
1681
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001682 if (status)
1683 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status %u)\n",
1684 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001685
1686 return IRQ_HANDLED;
1687}
1688
1689/* end of fast path */
1690
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07001691static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001692
1693/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001694
1695/*
1696 * General service functions
1697 */
1698
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001699static int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001700{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001701 u32 lock_status;
1702 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001703 int func = BP_FUNC(bp);
1704 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001705 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001706
1707 /* Validating that the resource is within range */
1708 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1709 DP(NETIF_MSG_HW,
1710 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1711 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1712 return -EINVAL;
1713 }
1714
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001715 if (func <= 5) {
1716 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1717 } else {
1718 hw_lock_control_reg =
1719 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1720 }
1721
Eliezer Tamirf1410642008-02-28 11:51:50 -08001722 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001723 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001724 if (lock_status & resource_bit) {
1725 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1726 lock_status, resource_bit);
1727 return -EEXIST;
1728 }
1729
Eilon Greenstein46230476b2008-08-25 15:23:30 -07001730 /* Try for 5 second every 5ms */
1731 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001732 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001733 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1734 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001735 if (lock_status & resource_bit)
1736 return 0;
1737
1738 msleep(5);
1739 }
1740 DP(NETIF_MSG_HW, "Timeout\n");
1741 return -EAGAIN;
1742}
1743
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001744static int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001745{
1746 u32 lock_status;
1747 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001748 int func = BP_FUNC(bp);
1749 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001750
1751 /* Validating that the resource is within range */
1752 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1753 DP(NETIF_MSG_HW,
1754 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1755 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1756 return -EINVAL;
1757 }
1758
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001759 if (func <= 5) {
1760 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1761 } else {
1762 hw_lock_control_reg =
1763 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1764 }
1765
Eliezer Tamirf1410642008-02-28 11:51:50 -08001766 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001767 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001768 if (!(lock_status & resource_bit)) {
1769 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1770 lock_status, resource_bit);
1771 return -EFAULT;
1772 }
1773
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001774 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001775 return 0;
1776}
1777
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001778/* HW Lock for shared dual port PHYs */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001779static void bnx2x_acquire_phy_lock(struct bnx2x *bp)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001780{
1781 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1782
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001783 mutex_lock(&bp->port.phy_mutex);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001784
1785 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1786 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001787 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001788}
1789
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001790static void bnx2x_release_phy_lock(struct bnx2x *bp)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001791{
1792 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1793
1794 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1795 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001796 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001797
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001798 mutex_unlock(&bp->port.phy_mutex);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001799}
1800
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001801int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001802{
1803 /* The GPIO should be swapped if swap register is set and active */
1804 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001805 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001806 int gpio_shift = gpio_num +
1807 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1808 u32 gpio_mask = (1 << gpio_shift);
1809 u32 gpio_reg;
1810
1811 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1812 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1813 return -EINVAL;
1814 }
1815
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001816 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001817 /* read GPIO and mask except the float bits */
1818 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1819
1820 switch (mode) {
1821 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1822 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1823 gpio_num, gpio_shift);
1824 /* clear FLOAT and set CLR */
1825 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1826 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1827 break;
1828
1829 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1830 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1831 gpio_num, gpio_shift);
1832 /* clear FLOAT and set SET */
1833 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1834 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1835 break;
1836
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001837 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001838 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1839 gpio_num, gpio_shift);
1840 /* set FLOAT */
1841 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1842 break;
1843
1844 default:
1845 break;
1846 }
1847
1848 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001849 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001850
1851 return 0;
1852}
1853
1854static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1855{
1856 u32 spio_mask = (1 << spio_num);
1857 u32 spio_reg;
1858
1859 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1860 (spio_num > MISC_REGISTERS_SPIO_7)) {
1861 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1862 return -EINVAL;
1863 }
1864
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001865 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001866 /* read SPIO and mask except the float bits */
1867 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1868
1869 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07001870 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001871 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1872 /* clear FLOAT and set CLR */
1873 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1874 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1875 break;
1876
Eilon Greenstein6378c022008-08-13 15:59:25 -07001877 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001878 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1879 /* clear FLOAT and set SET */
1880 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1881 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1882 break;
1883
1884 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1885 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1886 /* set FLOAT */
1887 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1888 break;
1889
1890 default:
1891 break;
1892 }
1893
1894 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001895 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001896
1897 return 0;
1898}
1899
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001900static void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001901{
Eilon Greensteinad33ea32009-01-14 21:24:57 -08001902 switch (bp->link_vars.ieee_fc &
1903 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001904 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001905 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001906 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001907 break;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001908 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001909 bp->port.advertising |= (ADVERTISED_Asym_Pause |
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001910 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001911 break;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001912 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001913 bp->port.advertising |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001914 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001915 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001916 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001917 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001918 break;
1919 }
1920}
1921
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001922static void bnx2x_link_report(struct bnx2x *bp)
1923{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001924 if (bp->link_vars.link_up) {
1925 if (bp->state == BNX2X_STATE_OPEN)
1926 netif_carrier_on(bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001927 printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
1928
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001929 printk("%d Mbps ", bp->link_vars.line_speed);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001930
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001931 if (bp->link_vars.duplex == DUPLEX_FULL)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001932 printk("full duplex");
1933 else
1934 printk("half duplex");
1935
David S. Millerc0700f92008-12-16 23:53:20 -08001936 if (bp->link_vars.flow_ctrl != BNX2X_FLOW_CTRL_NONE) {
1937 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_RX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001938 printk(", receive ");
David S. Millerc0700f92008-12-16 23:53:20 -08001939 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001940 printk("& transmit ");
1941 } else {
1942 printk(", transmit ");
1943 }
1944 printk("flow control ON");
1945 }
1946 printk("\n");
1947
1948 } else { /* link_down */
1949 netif_carrier_off(bp->dev);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001950 printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001951 }
1952}
1953
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001954static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001955{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001956 if (!BP_NOMCP(bp)) {
1957 u8 rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001958
Eilon Greenstein19680c42008-08-13 15:47:33 -07001959 /* Initialize link parameters structure variables */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001960 /* It is recommended to turn off RX FC for jumbo frames
1961 for better performance */
1962 if (IS_E1HMF(bp))
David S. Millerc0700f92008-12-16 23:53:20 -08001963 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001964 else if (bp->dev->mtu > 5000)
David S. Millerc0700f92008-12-16 23:53:20 -08001965 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001966 else
David S. Millerc0700f92008-12-16 23:53:20 -08001967 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001968
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001969 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001970 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001971 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001972
Eilon Greenstein3c96c682009-01-14 21:25:31 -08001973 bnx2x_calc_fc_adv(bp);
1974
Eilon Greenstein19680c42008-08-13 15:47:33 -07001975 if (bp->link_vars.link_up)
1976 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001977
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001978
Eilon Greenstein19680c42008-08-13 15:47:33 -07001979 return rc;
1980 }
1981 BNX2X_ERR("Bootcode is missing -not initializing link\n");
1982 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001983}
1984
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001985static void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001986{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001987 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001988 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001989 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001990 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001991
Eilon Greenstein19680c42008-08-13 15:47:33 -07001992 bnx2x_calc_fc_adv(bp);
1993 } else
1994 BNX2X_ERR("Bootcode is missing -not setting link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001995}
1996
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001997static void bnx2x__link_reset(struct bnx2x *bp)
1998{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001999 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002000 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002001 bnx2x_link_reset(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002002 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002003 } else
2004 BNX2X_ERR("Bootcode is missing -not resetting link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002005}
2006
2007static u8 bnx2x_link_test(struct bnx2x *bp)
2008{
2009 u8 rc;
2010
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002011 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002012 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002013 bnx2x_release_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002014
2015 return rc;
2016}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002017
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002018/* Calculates the sum of vn_min_rates.
2019 It's needed for further normalizing of the min_rates.
2020
2021 Returns:
2022 sum of vn_min_rates
2023 or
2024 0 - if all the min_rates are 0.
Eilon Greenstein33471622008-08-13 15:59:08 -07002025 In the later case fairness algorithm should be deactivated.
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002026 If not all min_rates are zero then those that are zeroes will
2027 be set to 1.
2028 */
2029static u32 bnx2x_calc_vn_wsum(struct bnx2x *bp)
2030{
2031 int i, port = BP_PORT(bp);
2032 u32 wsum = 0;
2033 int all_zero = 1;
2034
2035 for (i = 0; i < E1HVN_MAX; i++) {
2036 u32 vn_cfg =
2037 SHMEM_RD(bp, mf_cfg.func_mf_config[2*i + port].config);
2038 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2039 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2040 if (!(vn_cfg & FUNC_MF_CFG_FUNC_HIDE)) {
2041 /* If min rate is zero - set it to 1 */
2042 if (!vn_min_rate)
2043 vn_min_rate = DEF_MIN_RATE;
2044 else
2045 all_zero = 0;
2046
2047 wsum += vn_min_rate;
2048 }
2049 }
2050
2051 /* ... only if all min rates are zeros - disable FAIRNESS */
2052 if (all_zero)
2053 return 0;
2054
2055 return wsum;
2056}
2057
2058static void bnx2x_init_port_minmax(struct bnx2x *bp,
2059 int en_fness,
2060 u16 port_rate,
2061 struct cmng_struct_per_port *m_cmng_port)
2062{
2063 u32 r_param = port_rate / 8;
2064 int port = BP_PORT(bp);
2065 int i;
2066
2067 memset(m_cmng_port, 0, sizeof(struct cmng_struct_per_port));
2068
2069 /* Enable minmax only if we are in e1hmf mode */
2070 if (IS_E1HMF(bp)) {
2071 u32 fair_periodic_timeout_usec;
2072 u32 t_fair;
2073
2074 /* Enable rate shaping and fairness */
2075 m_cmng_port->flags.cmng_vn_enable = 1;
2076 m_cmng_port->flags.fairness_enable = en_fness ? 1 : 0;
2077 m_cmng_port->flags.rate_shaping_enable = 1;
2078
2079 if (!en_fness)
2080 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2081 " fairness will be disabled\n");
2082
2083 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
2084 m_cmng_port->rs_vars.rs_periodic_timeout =
2085 RS_PERIODIC_TIMEOUT_USEC / 4;
2086
2087 /* this is the threshold below which no timer arming will occur
2088 1.25 coefficient is for the threshold to be a little bigger
2089 than the real time, to compensate for timer in-accuracy */
2090 m_cmng_port->rs_vars.rs_threshold =
2091 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
2092
2093 /* resolution of fairness timer */
2094 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
2095 /* for 10G it is 1000usec. for 1G it is 10000usec. */
2096 t_fair = T_FAIR_COEF / port_rate;
2097
2098 /* this is the threshold below which we won't arm
2099 the timer anymore */
2100 m_cmng_port->fair_vars.fair_threshold = QM_ARB_BYTES;
2101
2102 /* we multiply by 1e3/8 to get bytes/msec.
2103 We don't want the credits to pass a credit
2104 of the T_FAIR*FAIR_MEM (algorithm resolution) */
2105 m_cmng_port->fair_vars.upper_bound =
2106 r_param * t_fair * FAIR_MEM;
2107 /* since each tick is 4 usec */
2108 m_cmng_port->fair_vars.fairness_timeout =
2109 fair_periodic_timeout_usec / 4;
2110
2111 } else {
2112 /* Disable rate shaping and fairness */
2113 m_cmng_port->flags.cmng_vn_enable = 0;
2114 m_cmng_port->flags.fairness_enable = 0;
2115 m_cmng_port->flags.rate_shaping_enable = 0;
2116
2117 DP(NETIF_MSG_IFUP,
2118 "Single function mode minmax will be disabled\n");
2119 }
2120
2121 /* Store it to internal memory */
2122 for (i = 0; i < sizeof(struct cmng_struct_per_port) / 4; i++)
2123 REG_WR(bp, BAR_XSTRORM_INTMEM +
2124 XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i * 4,
2125 ((u32 *)(m_cmng_port))[i]);
2126}
2127
2128static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func,
2129 u32 wsum, u16 port_rate,
2130 struct cmng_struct_per_port *m_cmng_port)
2131{
2132 struct rate_shaping_vars_per_vn m_rs_vn;
2133 struct fairness_vars_per_vn m_fair_vn;
2134 u32 vn_cfg = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
2135 u16 vn_min_rate, vn_max_rate;
2136 int i;
2137
2138 /* If function is hidden - set min and max to zeroes */
2139 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
2140 vn_min_rate = 0;
2141 vn_max_rate = 0;
2142
2143 } else {
2144 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2145 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2146 /* If FAIRNESS is enabled (not all min rates are zeroes) and
2147 if current min rate is zero - set it to 1.
Eilon Greenstein33471622008-08-13 15:59:08 -07002148 This is a requirement of the algorithm. */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002149 if ((vn_min_rate == 0) && wsum)
2150 vn_min_rate = DEF_MIN_RATE;
2151 vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
2152 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
2153 }
2154
2155 DP(NETIF_MSG_IFUP, "func %d: vn_min_rate=%d vn_max_rate=%d "
2156 "wsum=%d\n", func, vn_min_rate, vn_max_rate, wsum);
2157
2158 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
2159 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
2160
2161 /* global vn counter - maximal Mbps for this vn */
2162 m_rs_vn.vn_counter.rate = vn_max_rate;
2163
2164 /* quota - number of bytes transmitted in this period */
2165 m_rs_vn.vn_counter.quota =
2166 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2167
2168#ifdef BNX2X_PER_PROT_QOS
2169 /* per protocol counter */
2170 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++) {
2171 /* maximal Mbps for this protocol */
2172 m_rs_vn.protocol_counters[protocol].rate =
2173 protocol_max_rate[protocol];
2174 /* the quota in each timer period -
2175 number of bytes transmitted in this period */
2176 m_rs_vn.protocol_counters[protocol].quota =
2177 (u32)(rs_periodic_timeout_usec *
2178 ((double)m_rs_vn.
2179 protocol_counters[protocol].rate/8));
2180 }
2181#endif
2182
2183 if (wsum) {
2184 /* credit for each period of the fairness algorithm:
2185 number of bytes in T_FAIR (the vn share the port rate).
2186 wsum should not be larger than 10000, thus
2187 T_FAIR_COEF / (8 * wsum) will always be grater than zero */
2188 m_fair_vn.vn_credit_delta =
2189 max((u64)(vn_min_rate * (T_FAIR_COEF / (8 * wsum))),
2190 (u64)(m_cmng_port->fair_vars.fair_threshold * 2));
2191 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta=%d\n",
2192 m_fair_vn.vn_credit_delta);
2193 }
2194
2195#ifdef BNX2X_PER_PROT_QOS
2196 do {
2197 u32 protocolWeightSum = 0;
2198
2199 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++)
2200 protocolWeightSum +=
2201 drvInit.protocol_min_rate[protocol];
2202 /* per protocol counter -
2203 NOT NEEDED IF NO PER-PROTOCOL CONGESTION MANAGEMENT */
2204 if (protocolWeightSum > 0) {
2205 for (protocol = 0;
2206 protocol < NUM_OF_PROTOCOLS; protocol++)
2207 /* credit for each period of the
2208 fairness algorithm - number of bytes in
2209 T_FAIR (the protocol share the vn rate) */
2210 m_fair_vn.protocol_credit_delta[protocol] =
2211 (u32)((vn_min_rate / 8) * t_fair *
2212 protocol_min_rate / protocolWeightSum);
2213 }
2214 } while (0);
2215#endif
2216
2217 /* Store it to internal memory */
2218 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2219 REG_WR(bp, BAR_XSTRORM_INTMEM +
2220 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2221 ((u32 *)(&m_rs_vn))[i]);
2222
2223 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2224 REG_WR(bp, BAR_XSTRORM_INTMEM +
2225 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2226 ((u32 *)(&m_fair_vn))[i]);
2227}
2228
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002229/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002230static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002231{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002232 int vn;
2233
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002234 /* Make sure that we are synced with the current statistics */
2235 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2236
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002237 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002238 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002239 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002240
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002241 if (bp->link_vars.link_up) {
2242
2243 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2244 struct host_port_stats *pstats;
2245
2246 pstats = bnx2x_sp(bp, port_stats);
2247 /* reset old bmac stats */
2248 memset(&(pstats->mac_stx[0]), 0,
2249 sizeof(struct mac_stx));
2250 }
2251 if ((bp->state == BNX2X_STATE_OPEN) ||
2252 (bp->state == BNX2X_STATE_DISABLED))
2253 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2254 }
2255
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002256 /* indicate link status */
2257 bnx2x_link_report(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002258
2259 if (IS_E1HMF(bp)) {
2260 int func;
2261
2262 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2263 if (vn == BP_E1HVN(bp))
2264 continue;
2265
2266 func = ((vn << 1) | BP_PORT(bp));
2267
2268 /* Set the attention towards other drivers
2269 on the same port */
2270 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2271 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2272 }
2273 }
2274
2275 if (CHIP_IS_E1H(bp) && (bp->link_vars.line_speed > 0)) {
2276 struct cmng_struct_per_port m_cmng_port;
2277 u32 wsum;
2278 int port = BP_PORT(bp);
2279
2280 /* Init RATE SHAPING and FAIRNESS contexts */
2281 wsum = bnx2x_calc_vn_wsum(bp);
2282 bnx2x_init_port_minmax(bp, (int)wsum,
2283 bp->link_vars.line_speed,
2284 &m_cmng_port);
2285 if (IS_E1HMF(bp))
2286 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2287 bnx2x_init_vn_minmax(bp, 2*vn + port,
2288 wsum, bp->link_vars.line_speed,
2289 &m_cmng_port);
2290 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002291}
2292
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002293static void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002294{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002295 if (bp->state != BNX2X_STATE_OPEN)
2296 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002297
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002298 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2299
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002300 if (bp->link_vars.link_up)
2301 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2302 else
2303 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2304
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002305 /* indicate link status */
2306 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002307}
2308
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002309static void bnx2x_pmf_update(struct bnx2x *bp)
2310{
2311 int port = BP_PORT(bp);
2312 u32 val;
2313
2314 bp->port.pmf = 1;
2315 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2316
2317 /* enable nig attention */
2318 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
2319 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2320 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002321
2322 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002323}
2324
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002325/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002326
2327/* slow path */
2328
2329/*
2330 * General service functions
2331 */
2332
2333/* the slow path queue is odd since completions arrive on the fastpath ring */
2334static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
2335 u32 data_hi, u32 data_lo, int common)
2336{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002337 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002338
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002339 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
2340 "SPQE (%x:%x) command %d hw_cid %x data (%x:%x) left %x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002341 (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) +
2342 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
2343 HW_CID(bp, cid), data_hi, data_lo, bp->spq_left);
2344
2345#ifdef BNX2X_STOP_ON_ERROR
2346 if (unlikely(bp->panic))
2347 return -EIO;
2348#endif
2349
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002350 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002351
2352 if (!bp->spq_left) {
2353 BNX2X_ERR("BUG! SPQ ring full!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002354 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002355 bnx2x_panic();
2356 return -EBUSY;
2357 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08002358
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002359 /* CID needs port number to be encoded int it */
2360 bp->spq_prod_bd->hdr.conn_and_cmd_data =
2361 cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) |
2362 HW_CID(bp, cid)));
2363 bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE);
2364 if (common)
2365 bp->spq_prod_bd->hdr.type |=
2366 cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT));
2367
2368 bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi);
2369 bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo);
2370
2371 bp->spq_left--;
2372
2373 if (bp->spq_prod_bd == bp->spq_last_bd) {
2374 bp->spq_prod_bd = bp->spq;
2375 bp->spq_prod_idx = 0;
2376 DP(NETIF_MSG_TIMER, "end of spq\n");
2377
2378 } else {
2379 bp->spq_prod_bd++;
2380 bp->spq_prod_idx++;
2381 }
2382
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002383 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002384 bp->spq_prod_idx);
2385
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002386 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002387 return 0;
2388}
2389
2390/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002391static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002392{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002393 u32 i, j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002394 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002395
2396 might_sleep();
2397 i = 100;
2398 for (j = 0; j < i*10; j++) {
2399 val = (1UL << 31);
2400 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2401 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2402 if (val & (1L << 31))
2403 break;
2404
2405 msleep(5);
2406 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002407 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07002408 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002409 rc = -EBUSY;
2410 }
2411
2412 return rc;
2413}
2414
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002415/* release split MCP access lock register */
2416static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002417{
2418 u32 val = 0;
2419
2420 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2421}
2422
2423static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2424{
2425 struct host_def_status_block *def_sb = bp->def_status_blk;
2426 u16 rc = 0;
2427
2428 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002429 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2430 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
2431 rc |= 1;
2432 }
2433 if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) {
2434 bp->def_c_idx = def_sb->c_def_status_block.status_block_index;
2435 rc |= 2;
2436 }
2437 if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) {
2438 bp->def_u_idx = def_sb->u_def_status_block.status_block_index;
2439 rc |= 4;
2440 }
2441 if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) {
2442 bp->def_x_idx = def_sb->x_def_status_block.status_block_index;
2443 rc |= 8;
2444 }
2445 if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) {
2446 bp->def_t_idx = def_sb->t_def_status_block.status_block_index;
2447 rc |= 16;
2448 }
2449 return rc;
2450}
2451
2452/*
2453 * slow path service functions
2454 */
2455
2456static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2457{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002458 int port = BP_PORT(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07002459 u32 hc_addr = (HC_REG_COMMAND_REG + port*32 +
2460 COMMAND_REG_ATTN_BITS_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002461 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2462 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002463 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2464 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002465 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002466
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002467 if (bp->attn_state & asserted)
2468 BNX2X_ERR("IGU ERROR\n");
2469
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002470 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2471 aeu_mask = REG_RD(bp, aeu_addr);
2472
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002473 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002474 aeu_mask, asserted);
2475 aeu_mask &= ~(asserted & 0xff);
2476 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002477
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002478 REG_WR(bp, aeu_addr, aeu_mask);
2479 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002480
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002481 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002482 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002483 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002484
2485 if (asserted & ATTN_HARD_WIRED_MASK) {
2486 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002487
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002488 /* save nig interrupt mask */
2489 bp->nig_mask = REG_RD(bp, nig_int_mask_addr);
2490 REG_WR(bp, nig_int_mask_addr, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002491
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002492 bnx2x_link_attn(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002493
2494 /* handle unicore attn? */
2495 }
2496 if (asserted & ATTN_SW_TIMER_4_FUNC)
2497 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2498
2499 if (asserted & GPIO_2_FUNC)
2500 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2501
2502 if (asserted & GPIO_3_FUNC)
2503 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2504
2505 if (asserted & GPIO_4_FUNC)
2506 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2507
2508 if (port == 0) {
2509 if (asserted & ATTN_GENERAL_ATTN_1) {
2510 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2511 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2512 }
2513 if (asserted & ATTN_GENERAL_ATTN_2) {
2514 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2515 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2516 }
2517 if (asserted & ATTN_GENERAL_ATTN_3) {
2518 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2519 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2520 }
2521 } else {
2522 if (asserted & ATTN_GENERAL_ATTN_4) {
2523 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2524 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2525 }
2526 if (asserted & ATTN_GENERAL_ATTN_5) {
2527 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2528 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2529 }
2530 if (asserted & ATTN_GENERAL_ATTN_6) {
2531 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2532 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2533 }
2534 }
2535
2536 } /* if hardwired */
2537
Eilon Greenstein5c862842008-08-13 15:51:48 -07002538 DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2539 asserted, hc_addr);
2540 REG_WR(bp, hc_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002541
2542 /* now set back the mask */
2543 if (asserted & ATTN_NIG_FOR_FUNC)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002544 REG_WR(bp, nig_int_mask_addr, bp->nig_mask);
2545}
2546
2547static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2548{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002549 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002550 int reg_offset;
2551 u32 val;
2552
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002553 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2554 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002555
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002556 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002557
2558 val = REG_RD(bp, reg_offset);
2559 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2560 REG_WR(bp, reg_offset, val);
2561
2562 BNX2X_ERR("SPIO5 hw attention\n");
2563
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002564 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
Eilon Greenstein7add9052008-08-25 15:20:48 -07002565 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002566 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
2567 /* Fan failure attention */
2568
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002569 /* The PHY reset is controlled by GPIO 1 */
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002570 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002571 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
2572 /* Low power mode is controlled by GPIO 2 */
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002573 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002574 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002575 /* mark the failure */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002576 bp->link_params.ext_phy_config &=
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002577 ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002578 bp->link_params.ext_phy_config |=
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002579 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
2580 SHMEM_WR(bp,
2581 dev_info.port_hw_config[port].
2582 external_phy_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002583 bp->link_params.ext_phy_config);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002584 /* log the failure */
2585 printk(KERN_ERR PFX "Fan Failure on Network"
2586 " Controller %s has caused the driver to"
2587 " shutdown the card to prevent permanent"
2588 " damage. Please contact Dell Support for"
2589 " assistance\n", bp->dev->name);
2590 break;
2591
2592 default:
2593 break;
2594 }
2595 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002596
2597 if (attn & HW_INTERRUT_ASSERT_SET_0) {
2598
2599 val = REG_RD(bp, reg_offset);
2600 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
2601 REG_WR(bp, reg_offset, val);
2602
2603 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
2604 (attn & HW_INTERRUT_ASSERT_SET_0));
2605 bnx2x_panic();
2606 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002607}
2608
2609static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
2610{
2611 u32 val;
2612
2613 if (attn & BNX2X_DOORQ_ASSERT) {
2614
2615 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
2616 BNX2X_ERR("DB hw attention 0x%x\n", val);
2617 /* DORQ discard attention */
2618 if (val & 0x2)
2619 BNX2X_ERR("FATAL error from DORQ\n");
2620 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002621
2622 if (attn & HW_INTERRUT_ASSERT_SET_1) {
2623
2624 int port = BP_PORT(bp);
2625 int reg_offset;
2626
2627 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
2628 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
2629
2630 val = REG_RD(bp, reg_offset);
2631 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
2632 REG_WR(bp, reg_offset, val);
2633
2634 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
2635 (attn & HW_INTERRUT_ASSERT_SET_1));
2636 bnx2x_panic();
2637 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002638}
2639
2640static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
2641{
2642 u32 val;
2643
2644 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
2645
2646 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
2647 BNX2X_ERR("CFC hw attention 0x%x\n", val);
2648 /* CFC error attention */
2649 if (val & 0x2)
2650 BNX2X_ERR("FATAL error from CFC\n");
2651 }
2652
2653 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
2654
2655 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
2656 BNX2X_ERR("PXP hw attention 0x%x\n", val);
2657 /* RQ_USDMDP_FIFO_OVERFLOW */
2658 if (val & 0x18000)
2659 BNX2X_ERR("FATAL error from PXP\n");
2660 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002661
2662 if (attn & HW_INTERRUT_ASSERT_SET_2) {
2663
2664 int port = BP_PORT(bp);
2665 int reg_offset;
2666
2667 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
2668 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
2669
2670 val = REG_RD(bp, reg_offset);
2671 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
2672 REG_WR(bp, reg_offset, val);
2673
2674 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
2675 (attn & HW_INTERRUT_ASSERT_SET_2));
2676 bnx2x_panic();
2677 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002678}
2679
2680static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
2681{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002682 u32 val;
2683
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002684 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
2685
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002686 if (attn & BNX2X_PMF_LINK_ASSERT) {
2687 int func = BP_FUNC(bp);
2688
2689 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
2690 bnx2x__link_status_update(bp);
2691 if (SHMEM_RD(bp, func_mb[func].drv_status) &
2692 DRV_STATUS_PMF)
2693 bnx2x_pmf_update(bp);
2694
2695 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002696
2697 BNX2X_ERR("MC assert!\n");
2698 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
2699 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
2700 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
2701 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
2702 bnx2x_panic();
2703
2704 } else if (attn & BNX2X_MCP_ASSERT) {
2705
2706 BNX2X_ERR("MCP assert!\n");
2707 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002708 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002709
2710 } else
2711 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
2712 }
2713
2714 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002715 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
2716 if (attn & BNX2X_GRC_TIMEOUT) {
2717 val = CHIP_IS_E1H(bp) ?
2718 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN) : 0;
2719 BNX2X_ERR("GRC time-out 0x%08x\n", val);
2720 }
2721 if (attn & BNX2X_GRC_RSV) {
2722 val = CHIP_IS_E1H(bp) ?
2723 REG_RD(bp, MISC_REG_GRC_RSV_ATTN) : 0;
2724 BNX2X_ERR("GRC reserved 0x%08x\n", val);
2725 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002726 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002727 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002728}
2729
2730static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
2731{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002732 struct attn_route attn;
2733 struct attn_route group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002734 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002735 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002736 u32 reg_addr;
2737 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002738 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002739
2740 /* need to take HW lock because MCP or other port might also
2741 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002742 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002743
2744 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
2745 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
2746 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
2747 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002748 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x\n",
2749 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002750
2751 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
2752 if (deasserted & (1 << index)) {
2753 group_mask = bp->attn_group[index];
2754
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002755 DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x\n",
2756 index, group_mask.sig[0], group_mask.sig[1],
2757 group_mask.sig[2], group_mask.sig[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002758
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002759 bnx2x_attn_int_deasserted3(bp,
2760 attn.sig[3] & group_mask.sig[3]);
2761 bnx2x_attn_int_deasserted1(bp,
2762 attn.sig[1] & group_mask.sig[1]);
2763 bnx2x_attn_int_deasserted2(bp,
2764 attn.sig[2] & group_mask.sig[2]);
2765 bnx2x_attn_int_deasserted0(bp,
2766 attn.sig[0] & group_mask.sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002767
2768 if ((attn.sig[0] & group_mask.sig[0] &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002769 HW_PRTY_ASSERT_SET_0) ||
2770 (attn.sig[1] & group_mask.sig[1] &
2771 HW_PRTY_ASSERT_SET_1) ||
2772 (attn.sig[2] & group_mask.sig[2] &
2773 HW_PRTY_ASSERT_SET_2))
Eilon Greenstein6378c022008-08-13 15:59:25 -07002774 BNX2X_ERR("FATAL HW block parity attention\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002775 }
2776 }
2777
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002778 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002779
Eilon Greenstein5c862842008-08-13 15:51:48 -07002780 reg_addr = (HC_REG_COMMAND_REG + port*32 + COMMAND_REG_ATTN_BITS_CLR);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002781
2782 val = ~deasserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002783 DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2784 val, reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07002785 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002786
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002787 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002788 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002789
2790 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2791 MISC_REG_AEU_MASK_ATTN_FUNC_0;
2792
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002793 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2794 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002795
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002796 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
2797 aeu_mask, deasserted);
2798 aeu_mask |= (deasserted & 0xff);
2799 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
2800
2801 REG_WR(bp, reg_addr, aeu_mask);
2802 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002803
2804 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2805 bp->attn_state &= ~deasserted;
2806 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2807}
2808
2809static void bnx2x_attn_int(struct bnx2x *bp)
2810{
2811 /* read local copy of bits */
2812 u32 attn_bits = bp->def_status_blk->atten_status_block.attn_bits;
2813 u32 attn_ack = bp->def_status_blk->atten_status_block.attn_bits_ack;
2814 u32 attn_state = bp->attn_state;
2815
2816 /* look for changed bits */
2817 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
2818 u32 deasserted = ~attn_bits & attn_ack & attn_state;
2819
2820 DP(NETIF_MSG_HW,
2821 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
2822 attn_bits, attn_ack, asserted, deasserted);
2823
2824 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002825 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002826
2827 /* handle bits that were raised */
2828 if (asserted)
2829 bnx2x_attn_int_asserted(bp, asserted);
2830
2831 if (deasserted)
2832 bnx2x_attn_int_deasserted(bp, deasserted);
2833}
2834
2835static void bnx2x_sp_task(struct work_struct *work)
2836{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08002837 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002838 u16 status;
2839
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002840
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002841 /* Return here if interrupt is disabled */
2842 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07002843 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002844 return;
2845 }
2846
2847 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002848/* if (status == 0) */
2849/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002850
Eilon Greenstein3196a882008-08-13 15:58:49 -07002851 DP(NETIF_MSG_INTR, "got a slowpath interrupt (updated %x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002852
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002853 /* HW attentions */
2854 if (status & 0x1)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002855 bnx2x_attn_int(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002856
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002857 /* CStorm events: query_stats, port delete ramrod */
2858 if (status & 0x2)
2859 bp->stats_pending = 0;
2860
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002861 bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, bp->def_att_idx,
2862 IGU_INT_NOP, 1);
2863 bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx),
2864 IGU_INT_NOP, 1);
2865 bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx),
2866 IGU_INT_NOP, 1);
2867 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx),
2868 IGU_INT_NOP, 1);
2869 bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx),
2870 IGU_INT_ENABLE, 1);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002871
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002872}
2873
2874static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
2875{
2876 struct net_device *dev = dev_instance;
2877 struct bnx2x *bp = netdev_priv(dev);
2878
2879 /* Return here if interrupt is disabled */
2880 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07002881 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002882 return IRQ_HANDLED;
2883 }
2884
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002885 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, 0, IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002886
2887#ifdef BNX2X_STOP_ON_ERROR
2888 if (unlikely(bp->panic))
2889 return IRQ_HANDLED;
2890#endif
2891
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08002892 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002893
2894 return IRQ_HANDLED;
2895}
2896
2897/* end of slow path */
2898
2899/* Statistics */
2900
2901/****************************************************************************
2902* Macros
2903****************************************************************************/
2904
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002905/* sum[hi:lo] += add[hi:lo] */
2906#define ADD_64(s_hi, a_hi, s_lo, a_lo) \
2907 do { \
2908 s_lo += a_lo; \
2909 s_hi += a_hi + (s_lo < a_lo) ? 1 : 0; \
2910 } while (0)
2911
2912/* difference = minuend - subtrahend */
2913#define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
2914 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002915 if (m_lo < s_lo) { \
2916 /* underflow */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002917 d_hi = m_hi - s_hi; \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002918 if (d_hi > 0) { \
Eilon Greenstein6378c022008-08-13 15:59:25 -07002919 /* we can 'loan' 1 */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002920 d_hi--; \
2921 d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002922 } else { \
Eilon Greenstein6378c022008-08-13 15:59:25 -07002923 /* m_hi <= s_hi */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002924 d_hi = 0; \
2925 d_lo = 0; \
2926 } \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002927 } else { \
2928 /* m_lo >= s_lo */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002929 if (m_hi < s_hi) { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002930 d_hi = 0; \
2931 d_lo = 0; \
2932 } else { \
Eilon Greenstein6378c022008-08-13 15:59:25 -07002933 /* m_hi >= s_hi */ \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002934 d_hi = m_hi - s_hi; \
2935 d_lo = m_lo - s_lo; \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002936 } \
2937 } \
2938 } while (0)
2939
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002940#define UPDATE_STAT64(s, t) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002941 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002942 DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
2943 diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
2944 pstats->mac_stx[0].t##_hi = new->s##_hi; \
2945 pstats->mac_stx[0].t##_lo = new->s##_lo; \
2946 ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
2947 pstats->mac_stx[1].t##_lo, diff.lo); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002948 } while (0)
2949
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002950#define UPDATE_STAT64_NIG(s, t) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002951 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002952 DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
2953 diff.lo, new->s##_lo, old->s##_lo); \
2954 ADD_64(estats->t##_hi, diff.hi, \
2955 estats->t##_lo, diff.lo); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002956 } while (0)
2957
2958/* sum[hi:lo] += add */
2959#define ADD_EXTEND_64(s_hi, s_lo, a) \
2960 do { \
2961 s_lo += a; \
2962 s_hi += (s_lo < a) ? 1 : 0; \
2963 } while (0)
2964
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002965#define UPDATE_EXTEND_STAT(s) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002966 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002967 ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
2968 pstats->mac_stx[1].s##_lo, \
2969 new->s); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002970 } while (0)
2971
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002972#define UPDATE_EXTEND_TSTAT(s, t) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002973 do { \
2974 diff = le32_to_cpu(tclient->s) - old_tclient->s; \
2975 old_tclient->s = le32_to_cpu(tclient->s); \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002976 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
2977 } while (0)
2978
2979#define UPDATE_EXTEND_XSTAT(s, t) \
2980 do { \
2981 diff = le32_to_cpu(xclient->s) - old_xclient->s; \
2982 old_xclient->s = le32_to_cpu(xclient->s); \
2983 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002984 } while (0)
2985
2986/*
2987 * General service functions
2988 */
2989
2990static inline long bnx2x_hilo(u32 *hiref)
2991{
2992 u32 lo = *(hiref + 1);
2993#if (BITS_PER_LONG == 64)
2994 u32 hi = *hiref;
2995
2996 return HILO_U64(hi, lo);
2997#else
2998 return lo;
2999#endif
3000}
3001
3002/*
3003 * Init service functions
3004 */
3005
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003006static void bnx2x_storm_stats_post(struct bnx2x *bp)
3007{
3008 if (!bp->stats_pending) {
3009 struct eth_query_ramrod_data ramrod_data = {0};
3010 int rc;
3011
3012 ramrod_data.drv_counter = bp->stats_counter++;
3013 ramrod_data.collect_port_1b = bp->port.pmf ? 1 : 0;
3014 ramrod_data.ctr_id_vector = (1 << BP_CL_ID(bp));
3015
3016 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0,
3017 ((u32 *)&ramrod_data)[1],
3018 ((u32 *)&ramrod_data)[0], 0);
3019 if (rc == 0) {
3020 /* stats ramrod has it's own slot on the spq */
3021 bp->spq_left++;
3022 bp->stats_pending = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003023 }
3024 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003025}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003026
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003027static void bnx2x_stats_init(struct bnx2x *bp)
3028{
3029 int port = BP_PORT(bp);
3030
3031 bp->executer_idx = 0;
3032 bp->stats_counter = 0;
3033
3034 /* port stats */
3035 if (!BP_NOMCP(bp))
3036 bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
3037 else
3038 bp->port.port_stx = 0;
3039 DP(BNX2X_MSG_STATS, "port_stx 0x%x\n", bp->port.port_stx);
3040
3041 memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
3042 bp->port.old_nig_stats.brb_discard =
3043 REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003044 bp->port.old_nig_stats.brb_truncate =
3045 REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003046 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
3047 &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
3048 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
3049 &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
3050
3051 /* function stats */
3052 memset(&bp->dev->stats, 0, sizeof(struct net_device_stats));
3053 memset(&bp->old_tclient, 0, sizeof(struct tstorm_per_client_stats));
3054 memset(&bp->old_xclient, 0, sizeof(struct xstorm_per_client_stats));
3055 memset(&bp->eth_stats, 0, sizeof(struct bnx2x_eth_stats));
3056
3057 bp->stats_state = STATS_STATE_DISABLED;
3058 if (IS_E1HMF(bp) && bp->port.pmf && bp->port.port_stx)
3059 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
3060}
3061
3062static void bnx2x_hw_stats_post(struct bnx2x *bp)
3063{
3064 struct dmae_command *dmae = &bp->stats_dmae;
3065 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3066
3067 *stats_comp = DMAE_COMP_VAL;
3068
3069 /* loader */
3070 if (bp->executer_idx) {
3071 int loader_idx = PMF_DMAE_C(bp);
3072
3073 memset(dmae, 0, sizeof(struct dmae_command));
3074
3075 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3076 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3077 DMAE_CMD_DST_RESET |
3078#ifdef __BIG_ENDIAN
3079 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3080#else
3081 DMAE_CMD_ENDIANITY_DW_SWAP |
3082#endif
3083 (BP_PORT(bp) ? DMAE_CMD_PORT_1 :
3084 DMAE_CMD_PORT_0) |
3085 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3086 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
3087 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
3088 dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
3089 sizeof(struct dmae_command) *
3090 (loader_idx + 1)) >> 2;
3091 dmae->dst_addr_hi = 0;
3092 dmae->len = sizeof(struct dmae_command) >> 2;
3093 if (CHIP_IS_E1(bp))
3094 dmae->len--;
3095 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
3096 dmae->comp_addr_hi = 0;
3097 dmae->comp_val = 1;
3098
3099 *stats_comp = 0;
3100 bnx2x_post_dmae(bp, dmae, loader_idx);
3101
3102 } else if (bp->func_stx) {
3103 *stats_comp = 0;
3104 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
3105 }
3106}
3107
3108static int bnx2x_stats_comp(struct bnx2x *bp)
3109{
3110 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3111 int cnt = 10;
3112
3113 might_sleep();
3114 while (*stats_comp != DMAE_COMP_VAL) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003115 if (!cnt) {
3116 BNX2X_ERR("timeout waiting for stats finished\n");
3117 break;
3118 }
3119 cnt--;
Yitchak Gertner12469402008-08-13 15:52:08 -07003120 msleep(1);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003121 }
3122 return 1;
3123}
3124
3125/*
3126 * Statistics service functions
3127 */
3128
3129static void bnx2x_stats_pmf_update(struct bnx2x *bp)
3130{
3131 struct dmae_command *dmae;
3132 u32 opcode;
3133 int loader_idx = PMF_DMAE_C(bp);
3134 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3135
3136 /* sanity */
3137 if (!IS_E1HMF(bp) || !bp->port.pmf || !bp->port.port_stx) {
3138 BNX2X_ERR("BUG!\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003139 return;
3140 }
3141
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003142 bp->executer_idx = 0;
3143
3144 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3145 DMAE_CMD_C_ENABLE |
3146 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3147#ifdef __BIG_ENDIAN
3148 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3149#else
3150 DMAE_CMD_ENDIANITY_DW_SWAP |
3151#endif
3152 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3153 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3154
3155 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3156 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3157 dmae->src_addr_lo = bp->port.port_stx >> 2;
3158 dmae->src_addr_hi = 0;
3159 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3160 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3161 dmae->len = DMAE_LEN32_RD_MAX;
3162 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3163 dmae->comp_addr_hi = 0;
3164 dmae->comp_val = 1;
3165
3166 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3167 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3168 dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
3169 dmae->src_addr_hi = 0;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003170 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
3171 DMAE_LEN32_RD_MAX * 4);
3172 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
3173 DMAE_LEN32_RD_MAX * 4);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003174 dmae->len = (sizeof(struct host_port_stats) >> 2) - DMAE_LEN32_RD_MAX;
3175 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3176 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3177 dmae->comp_val = DMAE_COMP_VAL;
3178
3179 *stats_comp = 0;
3180 bnx2x_hw_stats_post(bp);
3181 bnx2x_stats_comp(bp);
3182}
3183
3184static void bnx2x_port_stats_init(struct bnx2x *bp)
3185{
3186 struct dmae_command *dmae;
3187 int port = BP_PORT(bp);
3188 int vn = BP_E1HVN(bp);
3189 u32 opcode;
3190 int loader_idx = PMF_DMAE_C(bp);
3191 u32 mac_addr;
3192 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3193
3194 /* sanity */
3195 if (!bp->link_vars.link_up || !bp->port.pmf) {
3196 BNX2X_ERR("BUG!\n");
3197 return;
3198 }
3199
3200 bp->executer_idx = 0;
3201
3202 /* MCP */
3203 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3204 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3205 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3206#ifdef __BIG_ENDIAN
3207 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3208#else
3209 DMAE_CMD_ENDIANITY_DW_SWAP |
3210#endif
3211 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3212 (vn << DMAE_CMD_E1HVN_SHIFT));
3213
3214 if (bp->port.port_stx) {
3215
3216 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3217 dmae->opcode = opcode;
3218 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3219 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3220 dmae->dst_addr_lo = bp->port.port_stx >> 2;
3221 dmae->dst_addr_hi = 0;
3222 dmae->len = sizeof(struct host_port_stats) >> 2;
3223 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3224 dmae->comp_addr_hi = 0;
3225 dmae->comp_val = 1;
3226 }
3227
3228 if (bp->func_stx) {
3229
3230 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3231 dmae->opcode = opcode;
3232 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3233 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3234 dmae->dst_addr_lo = bp->func_stx >> 2;
3235 dmae->dst_addr_hi = 0;
3236 dmae->len = sizeof(struct host_func_stats) >> 2;
3237 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3238 dmae->comp_addr_hi = 0;
3239 dmae->comp_val = 1;
3240 }
3241
3242 /* MAC */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003243 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3244 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3245 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3246#ifdef __BIG_ENDIAN
3247 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3248#else
3249 DMAE_CMD_ENDIANITY_DW_SWAP |
3250#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003251 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3252 (vn << DMAE_CMD_E1HVN_SHIFT));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003253
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07003254 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003255
3256 mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
3257 NIG_REG_INGRESS_BMAC0_MEM);
3258
3259 /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
3260 BIGMAC_REGISTER_TX_STAT_GTBYT */
3261 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3262 dmae->opcode = opcode;
3263 dmae->src_addr_lo = (mac_addr +
3264 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3265 dmae->src_addr_hi = 0;
3266 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3267 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3268 dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
3269 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3270 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3271 dmae->comp_addr_hi = 0;
3272 dmae->comp_val = 1;
3273
3274 /* BIGMAC_REGISTER_RX_STAT_GR64 ..
3275 BIGMAC_REGISTER_RX_STAT_GRIPJ */
3276 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3277 dmae->opcode = opcode;
3278 dmae->src_addr_lo = (mac_addr +
3279 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3280 dmae->src_addr_hi = 0;
3281 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003282 offsetof(struct bmac_stats, rx_stat_gr64_lo));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003283 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003284 offsetof(struct bmac_stats, rx_stat_gr64_lo));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003285 dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
3286 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3287 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3288 dmae->comp_addr_hi = 0;
3289 dmae->comp_val = 1;
3290
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07003291 } else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003292
3293 mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
3294
3295 /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
3296 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3297 dmae->opcode = opcode;
3298 dmae->src_addr_lo = (mac_addr +
3299 EMAC_REG_EMAC_RX_STAT_AC) >> 2;
3300 dmae->src_addr_hi = 0;
3301 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3302 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3303 dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
3304 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3305 dmae->comp_addr_hi = 0;
3306 dmae->comp_val = 1;
3307
3308 /* EMAC_REG_EMAC_RX_STAT_AC_28 */
3309 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3310 dmae->opcode = opcode;
3311 dmae->src_addr_lo = (mac_addr +
3312 EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
3313 dmae->src_addr_hi = 0;
3314 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003315 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003316 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003317 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003318 dmae->len = 1;
3319 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3320 dmae->comp_addr_hi = 0;
3321 dmae->comp_val = 1;
3322
3323 /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
3324 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3325 dmae->opcode = opcode;
3326 dmae->src_addr_lo = (mac_addr +
3327 EMAC_REG_EMAC_TX_STAT_AC) >> 2;
3328 dmae->src_addr_hi = 0;
3329 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003330 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003331 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003332 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003333 dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
3334 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3335 dmae->comp_addr_hi = 0;
3336 dmae->comp_val = 1;
3337 }
3338
3339 /* NIG */
3340 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003341 dmae->opcode = opcode;
3342 dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
3343 NIG_REG_STAT0_BRB_DISCARD) >> 2;
3344 dmae->src_addr_hi = 0;
3345 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
3346 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
3347 dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
3348 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3349 dmae->comp_addr_hi = 0;
3350 dmae->comp_val = 1;
3351
3352 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3353 dmae->opcode = opcode;
3354 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
3355 NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
3356 dmae->src_addr_hi = 0;
3357 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3358 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3359 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3360 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3361 dmae->len = (2*sizeof(u32)) >> 2;
3362 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3363 dmae->comp_addr_hi = 0;
3364 dmae->comp_val = 1;
3365
3366 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003367 dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3368 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3369 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3370#ifdef __BIG_ENDIAN
3371 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3372#else
3373 DMAE_CMD_ENDIANITY_DW_SWAP |
3374#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003375 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3376 (vn << DMAE_CMD_E1HVN_SHIFT));
3377 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
3378 NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003379 dmae->src_addr_hi = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003380 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3381 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3382 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3383 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3384 dmae->len = (2*sizeof(u32)) >> 2;
3385 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3386 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3387 dmae->comp_val = DMAE_COMP_VAL;
3388
3389 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003390}
3391
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003392static void bnx2x_func_stats_init(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003393{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003394 struct dmae_command *dmae = &bp->stats_dmae;
3395 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003396
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003397 /* sanity */
3398 if (!bp->func_stx) {
3399 BNX2X_ERR("BUG!\n");
3400 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003401 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003402
3403 bp->executer_idx = 0;
3404 memset(dmae, 0, sizeof(struct dmae_command));
3405
3406 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3407 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3408 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3409#ifdef __BIG_ENDIAN
3410 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3411#else
3412 DMAE_CMD_ENDIANITY_DW_SWAP |
3413#endif
3414 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3415 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3416 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3417 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3418 dmae->dst_addr_lo = bp->func_stx >> 2;
3419 dmae->dst_addr_hi = 0;
3420 dmae->len = sizeof(struct host_func_stats) >> 2;
3421 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3422 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3423 dmae->comp_val = DMAE_COMP_VAL;
3424
3425 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003426}
3427
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003428static void bnx2x_stats_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003429{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003430 if (bp->port.pmf)
3431 bnx2x_port_stats_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003432
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003433 else if (bp->func_stx)
3434 bnx2x_func_stats_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003435
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003436 bnx2x_hw_stats_post(bp);
3437 bnx2x_storm_stats_post(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003438}
3439
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003440static void bnx2x_stats_pmf_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003441{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003442 bnx2x_stats_comp(bp);
3443 bnx2x_stats_pmf_update(bp);
3444 bnx2x_stats_start(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003445}
3446
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003447static void bnx2x_stats_restart(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003448{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003449 bnx2x_stats_comp(bp);
3450 bnx2x_stats_start(bp);
3451}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003452
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003453static void bnx2x_bmac_stats_update(struct bnx2x *bp)
3454{
3455 struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac_stats);
3456 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3457 struct regpair diff;
3458
3459 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
3460 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
3461 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
3462 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
3463 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
3464 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003465 UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003466 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
3467 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffpauseframesreceived);
3468 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
3469 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
3470 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
3471 UPDATE_STAT64(tx_stat_gt127,
3472 tx_stat_etherstatspkts65octetsto127octets);
3473 UPDATE_STAT64(tx_stat_gt255,
3474 tx_stat_etherstatspkts128octetsto255octets);
3475 UPDATE_STAT64(tx_stat_gt511,
3476 tx_stat_etherstatspkts256octetsto511octets);
3477 UPDATE_STAT64(tx_stat_gt1023,
3478 tx_stat_etherstatspkts512octetsto1023octets);
3479 UPDATE_STAT64(tx_stat_gt1518,
3480 tx_stat_etherstatspkts1024octetsto1522octets);
3481 UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047);
3482 UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095);
3483 UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216);
3484 UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383);
3485 UPDATE_STAT64(tx_stat_gterr,
3486 tx_stat_dot3statsinternalmactransmiterrors);
3487 UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl);
3488}
3489
3490static void bnx2x_emac_stats_update(struct bnx2x *bp)
3491{
3492 struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
3493 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3494
3495 UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
3496 UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
3497 UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
3498 UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
3499 UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
3500 UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
3501 UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
3502 UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
3503 UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
3504 UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
3505 UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
3506 UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
3507 UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
3508 UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
3509 UPDATE_EXTEND_STAT(tx_stat_outxonsent);
3510 UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
3511 UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
3512 UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
3513 UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
3514 UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
3515 UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
3516 UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
3517 UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
3518 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
3519 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
3520 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
3521 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
3522 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
3523 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
3524 UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
3525 UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
3526}
3527
3528static int bnx2x_hw_stats_update(struct bnx2x *bp)
3529{
3530 struct nig_stats *new = bnx2x_sp(bp, nig_stats);
3531 struct nig_stats *old = &(bp->port.old_nig_stats);
3532 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3533 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3534 struct regpair diff;
3535
3536 if (bp->link_vars.mac_type == MAC_TYPE_BMAC)
3537 bnx2x_bmac_stats_update(bp);
3538
3539 else if (bp->link_vars.mac_type == MAC_TYPE_EMAC)
3540 bnx2x_emac_stats_update(bp);
3541
3542 else { /* unreached */
3543 BNX2X_ERR("stats updated by dmae but no MAC active\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003544 return -1;
3545 }
3546
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003547 ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
3548 new->brb_discard - old->brb_discard);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003549 ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
3550 new->brb_truncate - old->brb_truncate);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003551
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003552 UPDATE_STAT64_NIG(egress_mac_pkt0,
3553 etherstatspkts1024octetsto1522octets);
3554 UPDATE_STAT64_NIG(egress_mac_pkt1, etherstatspktsover1522octets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003555
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003556 memcpy(old, new, sizeof(struct nig_stats));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003557
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003558 memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
3559 sizeof(struct mac_stx));
3560 estats->brb_drop_hi = pstats->brb_drop_hi;
3561 estats->brb_drop_lo = pstats->brb_drop_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003562
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003563 pstats->host_port_stats_start = ++pstats->host_port_stats_end;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003564
3565 return 0;
3566}
3567
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003568static int bnx2x_storm_stats_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003569{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003570 struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
3571 int cl_id = BP_CL_ID(bp);
3572 struct tstorm_per_port_stats *tport =
3573 &stats->tstorm_common.port_statistics;
3574 struct tstorm_per_client_stats *tclient =
3575 &stats->tstorm_common.client_statistics[cl_id];
3576 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3577 struct xstorm_per_client_stats *xclient =
3578 &stats->xstorm_common.client_statistics[cl_id];
3579 struct xstorm_per_client_stats *old_xclient = &bp->old_xclient;
3580 struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
3581 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3582 u32 diff;
3583
3584 /* are storm stats valid? */
3585 if ((u16)(le16_to_cpu(tclient->stats_counter) + 1) !=
3586 bp->stats_counter) {
3587 DP(BNX2X_MSG_STATS, "stats not updated by tstorm"
3588 " tstorm counter (%d) != stats_counter (%d)\n",
3589 tclient->stats_counter, bp->stats_counter);
3590 return -1;
3591 }
3592 if ((u16)(le16_to_cpu(xclient->stats_counter) + 1) !=
3593 bp->stats_counter) {
3594 DP(BNX2X_MSG_STATS, "stats not updated by xstorm"
3595 " xstorm counter (%d) != stats_counter (%d)\n",
3596 xclient->stats_counter, bp->stats_counter);
3597 return -2;
3598 }
3599
3600 fstats->total_bytes_received_hi =
3601 fstats->valid_bytes_received_hi =
3602 le32_to_cpu(tclient->total_rcv_bytes.hi);
3603 fstats->total_bytes_received_lo =
3604 fstats->valid_bytes_received_lo =
3605 le32_to_cpu(tclient->total_rcv_bytes.lo);
3606
3607 estats->error_bytes_received_hi =
3608 le32_to_cpu(tclient->rcv_error_bytes.hi);
3609 estats->error_bytes_received_lo =
3610 le32_to_cpu(tclient->rcv_error_bytes.lo);
3611 ADD_64(estats->error_bytes_received_hi,
3612 estats->rx_stat_ifhcinbadoctets_hi,
3613 estats->error_bytes_received_lo,
3614 estats->rx_stat_ifhcinbadoctets_lo);
3615
3616 ADD_64(fstats->total_bytes_received_hi,
3617 estats->error_bytes_received_hi,
3618 fstats->total_bytes_received_lo,
3619 estats->error_bytes_received_lo);
3620
3621 UPDATE_EXTEND_TSTAT(rcv_unicast_pkts, total_unicast_packets_received);
3622 UPDATE_EXTEND_TSTAT(rcv_multicast_pkts,
3623 total_multicast_packets_received);
3624 UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts,
3625 total_broadcast_packets_received);
3626
3627 fstats->total_bytes_transmitted_hi =
3628 le32_to_cpu(xclient->total_sent_bytes.hi);
3629 fstats->total_bytes_transmitted_lo =
3630 le32_to_cpu(xclient->total_sent_bytes.lo);
3631
3632 UPDATE_EXTEND_XSTAT(unicast_pkts_sent,
3633 total_unicast_packets_transmitted);
3634 UPDATE_EXTEND_XSTAT(multicast_pkts_sent,
3635 total_multicast_packets_transmitted);
3636 UPDATE_EXTEND_XSTAT(broadcast_pkts_sent,
3637 total_broadcast_packets_transmitted);
3638
3639 memcpy(estats, &(fstats->total_bytes_received_hi),
3640 sizeof(struct host_func_stats) - 2*sizeof(u32));
3641
3642 estats->mac_filter_discard = le32_to_cpu(tport->mac_filter_discard);
3643 estats->xxoverflow_discard = le32_to_cpu(tport->xxoverflow_discard);
3644 estats->brb_truncate_discard =
3645 le32_to_cpu(tport->brb_truncate_discard);
3646 estats->mac_discard = le32_to_cpu(tport->mac_discard);
3647
3648 old_tclient->rcv_unicast_bytes.hi =
3649 le32_to_cpu(tclient->rcv_unicast_bytes.hi);
3650 old_tclient->rcv_unicast_bytes.lo =
3651 le32_to_cpu(tclient->rcv_unicast_bytes.lo);
3652 old_tclient->rcv_broadcast_bytes.hi =
3653 le32_to_cpu(tclient->rcv_broadcast_bytes.hi);
3654 old_tclient->rcv_broadcast_bytes.lo =
3655 le32_to_cpu(tclient->rcv_broadcast_bytes.lo);
3656 old_tclient->rcv_multicast_bytes.hi =
3657 le32_to_cpu(tclient->rcv_multicast_bytes.hi);
3658 old_tclient->rcv_multicast_bytes.lo =
3659 le32_to_cpu(tclient->rcv_multicast_bytes.lo);
3660 old_tclient->total_rcv_pkts = le32_to_cpu(tclient->total_rcv_pkts);
3661
3662 old_tclient->checksum_discard = le32_to_cpu(tclient->checksum_discard);
3663 old_tclient->packets_too_big_discard =
3664 le32_to_cpu(tclient->packets_too_big_discard);
3665 estats->no_buff_discard =
3666 old_tclient->no_buff_discard = le32_to_cpu(tclient->no_buff_discard);
3667 old_tclient->ttl0_discard = le32_to_cpu(tclient->ttl0_discard);
3668
3669 old_xclient->total_sent_pkts = le32_to_cpu(xclient->total_sent_pkts);
3670 old_xclient->unicast_bytes_sent.hi =
3671 le32_to_cpu(xclient->unicast_bytes_sent.hi);
3672 old_xclient->unicast_bytes_sent.lo =
3673 le32_to_cpu(xclient->unicast_bytes_sent.lo);
3674 old_xclient->multicast_bytes_sent.hi =
3675 le32_to_cpu(xclient->multicast_bytes_sent.hi);
3676 old_xclient->multicast_bytes_sent.lo =
3677 le32_to_cpu(xclient->multicast_bytes_sent.lo);
3678 old_xclient->broadcast_bytes_sent.hi =
3679 le32_to_cpu(xclient->broadcast_bytes_sent.hi);
3680 old_xclient->broadcast_bytes_sent.lo =
3681 le32_to_cpu(xclient->broadcast_bytes_sent.lo);
3682
3683 fstats->host_func_stats_start = ++fstats->host_func_stats_end;
3684
3685 return 0;
3686}
3687
3688static void bnx2x_net_stats_update(struct bnx2x *bp)
3689{
3690 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3691 struct bnx2x_eth_stats *estats = &bp->eth_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003692 struct net_device_stats *nstats = &bp->dev->stats;
3693
3694 nstats->rx_packets =
3695 bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
3696 bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
3697 bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
3698
3699 nstats->tx_packets =
3700 bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
3701 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
3702 bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
3703
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003704 nstats->rx_bytes = bnx2x_hilo(&estats->valid_bytes_received_hi);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003705
Eliezer Tamir0e39e642008-02-28 11:54:03 -08003706 nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003707
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003708 nstats->rx_dropped = old_tclient->checksum_discard +
3709 estats->mac_discard;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003710 nstats->tx_dropped = 0;
3711
3712 nstats->multicast =
3713 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi);
3714
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003715 nstats->collisions =
3716 estats->tx_stat_dot3statssinglecollisionframes_lo +
3717 estats->tx_stat_dot3statsmultiplecollisionframes_lo +
3718 estats->tx_stat_dot3statslatecollisions_lo +
3719 estats->tx_stat_dot3statsexcessivecollisions_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003720
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003721 estats->jabber_packets_received =
3722 old_tclient->packets_too_big_discard +
3723 estats->rx_stat_dot3statsframestoolong_lo;
3724
3725 nstats->rx_length_errors =
3726 estats->rx_stat_etherstatsundersizepkts_lo +
3727 estats->jabber_packets_received;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003728 nstats->rx_over_errors = estats->brb_drop_lo + estats->brb_truncate_lo;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003729 nstats->rx_crc_errors = estats->rx_stat_dot3statsfcserrors_lo;
3730 nstats->rx_frame_errors = estats->rx_stat_dot3statsalignmenterrors_lo;
3731 nstats->rx_fifo_errors = old_tclient->no_buff_discard;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003732 nstats->rx_missed_errors = estats->xxoverflow_discard;
3733
3734 nstats->rx_errors = nstats->rx_length_errors +
3735 nstats->rx_over_errors +
3736 nstats->rx_crc_errors +
3737 nstats->rx_frame_errors +
Eliezer Tamir0e39e642008-02-28 11:54:03 -08003738 nstats->rx_fifo_errors +
3739 nstats->rx_missed_errors;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003740
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003741 nstats->tx_aborted_errors =
3742 estats->tx_stat_dot3statslatecollisions_lo +
3743 estats->tx_stat_dot3statsexcessivecollisions_lo;
3744 nstats->tx_carrier_errors = estats->rx_stat_falsecarriererrors_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003745 nstats->tx_fifo_errors = 0;
3746 nstats->tx_heartbeat_errors = 0;
3747 nstats->tx_window_errors = 0;
3748
3749 nstats->tx_errors = nstats->tx_aborted_errors +
3750 nstats->tx_carrier_errors;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003751}
3752
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003753static void bnx2x_stats_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003754{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003755 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3756 int update = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003757
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003758 if (*stats_comp != DMAE_COMP_VAL)
3759 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003760
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003761 if (bp->port.pmf)
3762 update = (bnx2x_hw_stats_update(bp) == 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003763
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003764 update |= (bnx2x_storm_stats_update(bp) == 0);
3765
3766 if (update)
3767 bnx2x_net_stats_update(bp);
3768
3769 else {
3770 if (bp->stats_pending) {
3771 bp->stats_pending++;
3772 if (bp->stats_pending == 3) {
3773 BNX2X_ERR("stats not updated for 3 times\n");
3774 bnx2x_panic();
3775 return;
3776 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003777 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003778 }
3779
3780 if (bp->msglevel & NETIF_MSG_TIMER) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003781 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3782 struct bnx2x_eth_stats *estats = &bp->eth_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003783 struct net_device_stats *nstats = &bp->dev->stats;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003784 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003785
3786 printk(KERN_DEBUG "%s:\n", bp->dev->name);
3787 printk(KERN_DEBUG " tx avail (%4x) tx hc idx (%x)"
3788 " tx pkt (%lx)\n",
3789 bnx2x_tx_avail(bp->fp),
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003790 le16_to_cpu(*bp->fp->tx_cons_sb), nstats->tx_packets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003791 printk(KERN_DEBUG " rx usage (%4x) rx hc idx (%x)"
3792 " rx pkt (%lx)\n",
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003793 (u16)(le16_to_cpu(*bp->fp->rx_cons_sb) -
3794 bp->fp->rx_comp_cons),
3795 le16_to_cpu(*bp->fp->rx_cons_sb), nstats->rx_packets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003796 printk(KERN_DEBUG " %s (Xoff events %u) brb drops %u\n",
Eilon Greenstein6378c022008-08-13 15:59:25 -07003797 netif_queue_stopped(bp->dev) ? "Xoff" : "Xon",
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003798 estats->driver_xoff, estats->brb_drop_lo);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003799 printk(KERN_DEBUG "tstats: checksum_discard %u "
3800 "packets_too_big_discard %u no_buff_discard %u "
3801 "mac_discard %u mac_filter_discard %u "
3802 "xxovrflow_discard %u brb_truncate_discard %u "
3803 "ttl0_discard %u\n",
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003804 old_tclient->checksum_discard,
3805 old_tclient->packets_too_big_discard,
3806 old_tclient->no_buff_discard, estats->mac_discard,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003807 estats->mac_filter_discard, estats->xxoverflow_discard,
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003808 estats->brb_truncate_discard,
3809 old_tclient->ttl0_discard);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003810
3811 for_each_queue(bp, i) {
3812 printk(KERN_DEBUG "[%d]: %lu\t%lu\t%lu\n", i,
3813 bnx2x_fp(bp, i, tx_pkt),
3814 bnx2x_fp(bp, i, rx_pkt),
3815 bnx2x_fp(bp, i, rx_calls));
3816 }
3817 }
3818
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003819 bnx2x_hw_stats_post(bp);
3820 bnx2x_storm_stats_post(bp);
3821}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003822
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003823static void bnx2x_port_stats_stop(struct bnx2x *bp)
3824{
3825 struct dmae_command *dmae;
3826 u32 opcode;
3827 int loader_idx = PMF_DMAE_C(bp);
3828 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003829
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003830 bp->executer_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003831
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003832 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3833 DMAE_CMD_C_ENABLE |
3834 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003835#ifdef __BIG_ENDIAN
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003836 DMAE_CMD_ENDIANITY_B_DW_SWAP |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003837#else
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003838 DMAE_CMD_ENDIANITY_DW_SWAP |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003839#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003840 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3841 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3842
3843 if (bp->port.port_stx) {
3844
3845 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3846 if (bp->func_stx)
3847 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3848 else
3849 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3850 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3851 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3852 dmae->dst_addr_lo = bp->port.port_stx >> 2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003853 dmae->dst_addr_hi = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003854 dmae->len = sizeof(struct host_port_stats) >> 2;
3855 if (bp->func_stx) {
3856 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3857 dmae->comp_addr_hi = 0;
3858 dmae->comp_val = 1;
3859 } else {
3860 dmae->comp_addr_lo =
3861 U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3862 dmae->comp_addr_hi =
3863 U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3864 dmae->comp_val = DMAE_COMP_VAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003865
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003866 *stats_comp = 0;
3867 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003868 }
3869
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003870 if (bp->func_stx) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003871
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003872 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3873 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3874 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3875 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3876 dmae->dst_addr_lo = bp->func_stx >> 2;
3877 dmae->dst_addr_hi = 0;
3878 dmae->len = sizeof(struct host_func_stats) >> 2;
3879 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3880 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3881 dmae->comp_val = DMAE_COMP_VAL;
3882
3883 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003884 }
3885}
3886
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003887static void bnx2x_stats_stop(struct bnx2x *bp)
3888{
3889 int update = 0;
3890
3891 bnx2x_stats_comp(bp);
3892
3893 if (bp->port.pmf)
3894 update = (bnx2x_hw_stats_update(bp) == 0);
3895
3896 update |= (bnx2x_storm_stats_update(bp) == 0);
3897
3898 if (update) {
3899 bnx2x_net_stats_update(bp);
3900
3901 if (bp->port.pmf)
3902 bnx2x_port_stats_stop(bp);
3903
3904 bnx2x_hw_stats_post(bp);
3905 bnx2x_stats_comp(bp);
3906 }
3907}
3908
3909static void bnx2x_stats_do_nothing(struct bnx2x *bp)
3910{
3911}
3912
3913static const struct {
3914 void (*action)(struct bnx2x *bp);
3915 enum bnx2x_stats_state next_state;
3916} bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
3917/* state event */
3918{
3919/* DISABLED PMF */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
3920/* LINK_UP */ {bnx2x_stats_start, STATS_STATE_ENABLED},
3921/* UPDATE */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
3922/* STOP */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
3923},
3924{
3925/* ENABLED PMF */ {bnx2x_stats_pmf_start, STATS_STATE_ENABLED},
3926/* LINK_UP */ {bnx2x_stats_restart, STATS_STATE_ENABLED},
3927/* UPDATE */ {bnx2x_stats_update, STATS_STATE_ENABLED},
3928/* STOP */ {bnx2x_stats_stop, STATS_STATE_DISABLED}
3929}
3930};
3931
3932static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
3933{
3934 enum bnx2x_stats_state state = bp->stats_state;
3935
3936 bnx2x_stats_stm[state][event].action(bp);
3937 bp->stats_state = bnx2x_stats_stm[state][event].next_state;
3938
3939 if ((event != STATS_EVENT_UPDATE) || (bp->msglevel & NETIF_MSG_TIMER))
3940 DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
3941 state, event, bp->stats_state);
3942}
3943
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003944static void bnx2x_timer(unsigned long data)
3945{
3946 struct bnx2x *bp = (struct bnx2x *) data;
3947
3948 if (!netif_running(bp->dev))
3949 return;
3950
3951 if (atomic_read(&bp->intr_sem) != 0)
Eliezer Tamirf1410642008-02-28 11:51:50 -08003952 goto timer_restart;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003953
3954 if (poll) {
3955 struct bnx2x_fastpath *fp = &bp->fp[0];
3956 int rc;
3957
3958 bnx2x_tx_int(fp, 1000);
3959 rc = bnx2x_rx_int(fp, 1000);
3960 }
3961
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003962 if (!BP_NOMCP(bp)) {
3963 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003964 u32 drv_pulse;
3965 u32 mcp_pulse;
3966
3967 ++bp->fw_drv_pulse_wr_seq;
3968 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3969 /* TBD - add SYSTEM_TIME */
3970 drv_pulse = bp->fw_drv_pulse_wr_seq;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003971 SHMEM_WR(bp, func_mb[func].drv_pulse_mb, drv_pulse);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003972
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003973 mcp_pulse = (SHMEM_RD(bp, func_mb[func].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003974 MCP_PULSE_SEQ_MASK);
3975 /* The delta between driver pulse and mcp response
3976 * should be 1 (before mcp response) or 0 (after mcp response)
3977 */
3978 if ((drv_pulse != mcp_pulse) &&
3979 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3980 /* someone lost a heartbeat... */
3981 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3982 drv_pulse, mcp_pulse);
3983 }
3984 }
3985
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003986 if ((bp->state == BNX2X_STATE_OPEN) ||
3987 (bp->state == BNX2X_STATE_DISABLED))
3988 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003989
Eliezer Tamirf1410642008-02-28 11:51:50 -08003990timer_restart:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003991 mod_timer(&bp->timer, jiffies + bp->current_interval);
3992}
3993
3994/* end of Statistics */
3995
3996/* nic init */
3997
3998/*
3999 * nic init service functions
4000 */
4001
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004002static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004003{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004004 int port = BP_PORT(bp);
4005
4006 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
4007 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
Yitchak Gertner35302982008-08-13 15:53:12 -07004008 sizeof(struct ustorm_status_block)/4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004009 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
4010 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
Yitchak Gertner35302982008-08-13 15:53:12 -07004011 sizeof(struct cstorm_status_block)/4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004012}
4013
Eilon Greenstein5c862842008-08-13 15:51:48 -07004014static void bnx2x_init_sb(struct bnx2x *bp, struct host_status_block *sb,
4015 dma_addr_t mapping, int sb_id)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004016{
4017 int port = BP_PORT(bp);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004018 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004019 int index;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004020 u64 section;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004021
4022 /* USTORM */
4023 section = ((u64)mapping) + offsetof(struct host_status_block,
4024 u_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004025 sb->u_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004026
4027 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004028 USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004029 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004030 ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004031 U64_HI(section));
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004032 REG_WR8(bp, BAR_USTRORM_INTMEM + FP_USB_FUNC_OFF +
4033 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004034
4035 for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++)
4036 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004037 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004038
4039 /* CSTORM */
4040 section = ((u64)mapping) + offsetof(struct host_status_block,
4041 c_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004042 sb->c_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004043
4044 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004045 CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004046 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004047 ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004048 U64_HI(section));
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004049 REG_WR8(bp, BAR_CSTRORM_INTMEM + FP_CSB_FUNC_OFF +
4050 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004051
4052 for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++)
4053 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004054 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004055
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004056 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
4057}
4058
4059static void bnx2x_zero_def_sb(struct bnx2x *bp)
4060{
4061 int func = BP_FUNC(bp);
4062
4063 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
4064 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4065 sizeof(struct ustorm_def_status_block)/4);
4066 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
4067 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4068 sizeof(struct cstorm_def_status_block)/4);
4069 bnx2x_init_fill(bp, BAR_XSTRORM_INTMEM +
4070 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4071 sizeof(struct xstorm_def_status_block)/4);
4072 bnx2x_init_fill(bp, BAR_TSTRORM_INTMEM +
4073 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4074 sizeof(struct tstorm_def_status_block)/4);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004075}
4076
4077static void bnx2x_init_def_sb(struct bnx2x *bp,
4078 struct host_def_status_block *def_sb,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004079 dma_addr_t mapping, int sb_id)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004080{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004081 int port = BP_PORT(bp);
4082 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004083 int index, val, reg_offset;
4084 u64 section;
4085
4086 /* ATTN */
4087 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4088 atten_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004089 def_sb->atten_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004090
Eliezer Tamir49d66772008-02-28 11:53:13 -08004091 bp->attn_state = 0;
4092
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004093 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4094 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4095
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004096 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004097 bp->attn_group[index].sig[0] = REG_RD(bp,
4098 reg_offset + 0x10*index);
4099 bp->attn_group[index].sig[1] = REG_RD(bp,
4100 reg_offset + 0x4 + 0x10*index);
4101 bp->attn_group[index].sig[2] = REG_RD(bp,
4102 reg_offset + 0x8 + 0x10*index);
4103 bp->attn_group[index].sig[3] = REG_RD(bp,
4104 reg_offset + 0xc + 0x10*index);
4105 }
4106
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004107 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4108 HC_REG_ATTN_MSG0_ADDR_L);
4109
4110 REG_WR(bp, reg_offset, U64_LO(section));
4111 REG_WR(bp, reg_offset + 4, U64_HI(section));
4112
4113 reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0);
4114
4115 val = REG_RD(bp, reg_offset);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004116 val |= sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004117 REG_WR(bp, reg_offset, val);
4118
4119 /* USTORM */
4120 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4121 u_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004122 def_sb->u_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004123
4124 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004125 USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004126 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004127 ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004128 U64_HI(section));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004129 REG_WR8(bp, BAR_USTRORM_INTMEM + DEF_USB_FUNC_OFF +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004130 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004131
4132 for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++)
4133 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004134 USTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004135
4136 /* CSTORM */
4137 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4138 c_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004139 def_sb->c_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004140
4141 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004142 CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004143 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004144 ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004145 U64_HI(section));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004146 REG_WR8(bp, BAR_CSTRORM_INTMEM + DEF_CSB_FUNC_OFF +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004147 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004148
4149 for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++)
4150 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004151 CSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004152
4153 /* TSTORM */
4154 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4155 t_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004156 def_sb->t_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004157
4158 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004159 TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004160 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004161 ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004162 U64_HI(section));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004163 REG_WR8(bp, BAR_TSTRORM_INTMEM + DEF_TSB_FUNC_OFF +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004164 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004165
4166 for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++)
4167 REG_WR16(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004168 TSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004169
4170 /* XSTORM */
4171 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4172 x_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004173 def_sb->x_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004174
4175 REG_WR(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004176 XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004177 REG_WR(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004178 ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004179 U64_HI(section));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004180 REG_WR8(bp, BAR_XSTRORM_INTMEM + DEF_XSB_FUNC_OFF +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004181 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004182
4183 for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++)
4184 REG_WR16(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004185 XSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004186
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004187 bp->stats_pending = 0;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004188 bp->set_mac_pending = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004189
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004190 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004191}
4192
4193static void bnx2x_update_coalesce(struct bnx2x *bp)
4194{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004195 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004196 int i;
4197
4198 for_each_queue(bp, i) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004199 int sb_id = bp->fp[i].sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004200
4201 /* HC_INDEX_U_ETH_RX_CQ_CONS */
4202 REG_WR8(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004203 USTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
Eilon Greenstein5c862842008-08-13 15:51:48 -07004204 U_SB_ETH_RX_CQ_INDEX),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004205 bp->rx_ticks/12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004206 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004207 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
Eilon Greenstein5c862842008-08-13 15:51:48 -07004208 U_SB_ETH_RX_CQ_INDEX),
4209 bp->rx_ticks ? 0 : 1);
4210 REG_WR16(bp, BAR_USTRORM_INTMEM +
4211 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4212 U_SB_ETH_RX_BD_INDEX),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004213 bp->rx_ticks ? 0 : 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004214
4215 /* HC_INDEX_C_ETH_TX_CQ_CONS */
4216 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004217 CSTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
Eilon Greenstein5c862842008-08-13 15:51:48 -07004218 C_SB_ETH_TX_CQ_INDEX),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004219 bp->tx_ticks/12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004220 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004221 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
Eilon Greenstein5c862842008-08-13 15:51:48 -07004222 C_SB_ETH_TX_CQ_INDEX),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004223 bp->tx_ticks ? 0 : 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004224 }
4225}
4226
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004227static inline void bnx2x_free_tpa_pool(struct bnx2x *bp,
4228 struct bnx2x_fastpath *fp, int last)
4229{
4230 int i;
4231
4232 for (i = 0; i < last; i++) {
4233 struct sw_rx_bd *rx_buf = &(fp->tpa_pool[i]);
4234 struct sk_buff *skb = rx_buf->skb;
4235
4236 if (skb == NULL) {
4237 DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i);
4238 continue;
4239 }
4240
4241 if (fp->tpa_state[i] == BNX2X_TPA_START)
4242 pci_unmap_single(bp->pdev,
4243 pci_unmap_addr(rx_buf, mapping),
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07004244 bp->rx_buf_size,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004245 PCI_DMA_FROMDEVICE);
4246
4247 dev_kfree_skb(skb);
4248 rx_buf->skb = NULL;
4249 }
4250}
4251
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004252static void bnx2x_init_rx_rings(struct bnx2x *bp)
4253{
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004254 int func = BP_FUNC(bp);
Eilon Greenstein32626232008-08-13 15:51:07 -07004255 int max_agg_queues = CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 :
4256 ETH_MAX_AGGREGATION_QUEUES_E1H;
4257 u16 ring_prod, cqe_ring_prod;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004258 int i, j;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004259
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07004260 bp->rx_buf_size = bp->dev->mtu;
4261 bp->rx_buf_size += bp->rx_offset + ETH_OVREHEAD +
4262 BCM_RX_ETH_PAYLOAD_ALIGN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004263
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004264 if (bp->flags & TPA_ENABLE_FLAG) {
4265 DP(NETIF_MSG_IFUP,
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07004266 "rx_buf_size %d effective_mtu %d\n",
4267 bp->rx_buf_size, bp->dev->mtu + ETH_OVREHEAD);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004268
4269 for_each_queue(bp, j) {
Eilon Greenstein32626232008-08-13 15:51:07 -07004270 struct bnx2x_fastpath *fp = &bp->fp[j];
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004271
Eilon Greenstein32626232008-08-13 15:51:07 -07004272 for (i = 0; i < max_agg_queues; i++) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004273 fp->tpa_pool[i].skb =
4274 netdev_alloc_skb(bp->dev, bp->rx_buf_size);
4275 if (!fp->tpa_pool[i].skb) {
4276 BNX2X_ERR("Failed to allocate TPA "
4277 "skb pool for queue[%d] - "
4278 "disabling TPA on this "
4279 "queue!\n", j);
4280 bnx2x_free_tpa_pool(bp, fp, i);
4281 fp->disable_tpa = 1;
4282 break;
4283 }
4284 pci_unmap_addr_set((struct sw_rx_bd *)
4285 &bp->fp->tpa_pool[i],
4286 mapping, 0);
4287 fp->tpa_state[i] = BNX2X_TPA_STOP;
4288 }
4289 }
4290 }
4291
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004292 for_each_queue(bp, j) {
4293 struct bnx2x_fastpath *fp = &bp->fp[j];
4294
4295 fp->rx_bd_cons = 0;
4296 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004297 fp->rx_bd_cons_sb = BNX2X_RX_SB_BD_INDEX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004298
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004299 /* "next page" elements initialization */
4300 /* SGE ring */
4301 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
4302 struct eth_rx_sge *sge;
4303
4304 sge = &fp->rx_sge_ring[RX_SGE_CNT * i - 2];
4305 sge->addr_hi =
4306 cpu_to_le32(U64_HI(fp->rx_sge_mapping +
4307 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4308 sge->addr_lo =
4309 cpu_to_le32(U64_LO(fp->rx_sge_mapping +
4310 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4311 }
4312
4313 bnx2x_init_sge_ring_bit_mask(fp);
4314
4315 /* RX BD ring */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004316 for (i = 1; i <= NUM_RX_RINGS; i++) {
4317 struct eth_rx_bd *rx_bd;
4318
4319 rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2];
4320 rx_bd->addr_hi =
4321 cpu_to_le32(U64_HI(fp->rx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004322 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004323 rx_bd->addr_lo =
4324 cpu_to_le32(U64_LO(fp->rx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004325 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004326 }
4327
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004328 /* CQ ring */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004329 for (i = 1; i <= NUM_RCQ_RINGS; i++) {
4330 struct eth_rx_cqe_next_page *nextpg;
4331
4332 nextpg = (struct eth_rx_cqe_next_page *)
4333 &fp->rx_comp_ring[RCQ_DESC_CNT * i - 1];
4334 nextpg->addr_hi =
4335 cpu_to_le32(U64_HI(fp->rx_comp_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004336 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004337 nextpg->addr_lo =
4338 cpu_to_le32(U64_LO(fp->rx_comp_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004339 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004340 }
4341
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004342 /* Allocate SGEs and initialize the ring elements */
4343 for (i = 0, ring_prod = 0;
4344 i < MAX_RX_SGE_CNT*NUM_RX_SGE_PAGES; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004345
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004346 if (bnx2x_alloc_rx_sge(bp, fp, ring_prod) < 0) {
4347 BNX2X_ERR("was only able to allocate "
4348 "%d rx sges\n", i);
4349 BNX2X_ERR("disabling TPA for queue[%d]\n", j);
4350 /* Cleanup already allocated elements */
4351 bnx2x_free_rx_sge_range(bp, fp, ring_prod);
Eilon Greenstein32626232008-08-13 15:51:07 -07004352 bnx2x_free_tpa_pool(bp, fp, max_agg_queues);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004353 fp->disable_tpa = 1;
4354 ring_prod = 0;
4355 break;
4356 }
4357 ring_prod = NEXT_SGE_IDX(ring_prod);
4358 }
4359 fp->rx_sge_prod = ring_prod;
4360
4361 /* Allocate BDs and initialize BD ring */
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004362 fp->rx_comp_cons = 0;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004363 cqe_ring_prod = ring_prod = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004364 for (i = 0; i < bp->rx_ring_size; i++) {
4365 if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) {
4366 BNX2X_ERR("was only able to allocate "
4367 "%d rx skbs\n", i);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004368 bp->eth_stats.rx_skb_alloc_failed++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004369 break;
4370 }
4371 ring_prod = NEXT_RX_IDX(ring_prod);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004372 cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod);
Ilpo Järvinen53e5e962008-07-25 21:40:45 -07004373 WARN_ON(ring_prod <= i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004374 }
4375
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004376 fp->rx_bd_prod = ring_prod;
4377 /* must not have more available CQEs than BDs */
4378 fp->rx_comp_prod = min((u16)(NUM_RCQ_RINGS*RCQ_DESC_CNT),
4379 cqe_ring_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004380 fp->rx_pkt = fp->rx_calls = 0;
4381
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004382 /* Warning!
4383 * this will generate an interrupt (to the TSTORM)
4384 * must only be done after chip is initialized
4385 */
4386 bnx2x_update_rx_prod(bp, fp, ring_prod, fp->rx_comp_prod,
4387 fp->rx_sge_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004388 if (j != 0)
4389 continue;
4390
4391 REG_WR(bp, BAR_USTRORM_INTMEM +
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004392 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004393 U64_LO(fp->rx_comp_mapping));
4394 REG_WR(bp, BAR_USTRORM_INTMEM +
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004395 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004396 U64_HI(fp->rx_comp_mapping));
4397 }
4398}
4399
4400static void bnx2x_init_tx_ring(struct bnx2x *bp)
4401{
4402 int i, j;
4403
4404 for_each_queue(bp, j) {
4405 struct bnx2x_fastpath *fp = &bp->fp[j];
4406
4407 for (i = 1; i <= NUM_TX_RINGS; i++) {
4408 struct eth_tx_bd *tx_bd =
4409 &fp->tx_desc_ring[TX_DESC_CNT * i - 1];
4410
4411 tx_bd->addr_hi =
4412 cpu_to_le32(U64_HI(fp->tx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004413 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004414 tx_bd->addr_lo =
4415 cpu_to_le32(U64_LO(fp->tx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004416 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004417 }
4418
4419 fp->tx_pkt_prod = 0;
4420 fp->tx_pkt_cons = 0;
4421 fp->tx_bd_prod = 0;
4422 fp->tx_bd_cons = 0;
4423 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4424 fp->tx_pkt = 0;
4425 }
4426}
4427
4428static void bnx2x_init_sp_ring(struct bnx2x *bp)
4429{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004430 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004431
4432 spin_lock_init(&bp->spq_lock);
4433
4434 bp->spq_left = MAX_SPQ_PENDING;
4435 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004436 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4437 bp->spq_prod_bd = bp->spq;
4438 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
4439
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004440 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004441 U64_LO(bp->spq_mapping));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004442 REG_WR(bp,
4443 XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004444 U64_HI(bp->spq_mapping));
4445
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004446 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004447 bp->spq_prod_idx);
4448}
4449
4450static void bnx2x_init_context(struct bnx2x *bp)
4451{
4452 int i;
4453
4454 for_each_queue(bp, i) {
4455 struct eth_context *context = bnx2x_sp(bp, context[i].eth);
4456 struct bnx2x_fastpath *fp = &bp->fp[i];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004457 u8 sb_id = FP_SB_ID(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004458
4459 context->xstorm_st_context.tx_bd_page_base_hi =
4460 U64_HI(fp->tx_desc_mapping);
4461 context->xstorm_st_context.tx_bd_page_base_lo =
4462 U64_LO(fp->tx_desc_mapping);
4463 context->xstorm_st_context.db_data_addr_hi =
4464 U64_HI(fp->tx_prods_mapping);
4465 context->xstorm_st_context.db_data_addr_lo =
4466 U64_LO(fp->tx_prods_mapping);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004467 context->xstorm_st_context.statistics_data = (BP_CL_ID(bp) |
4468 XSTORM_ETH_ST_CONTEXT_STATISTICS_ENABLE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004469
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004470 context->ustorm_st_context.common.sb_index_numbers =
4471 BNX2X_RX_SB_INDEX_NUM;
4472 context->ustorm_st_context.common.clientId = FP_CL_ID(fp);
4473 context->ustorm_st_context.common.status_block_id = sb_id;
4474 context->ustorm_st_context.common.flags =
4475 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_MC_ALIGNMENT;
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07004476 context->ustorm_st_context.common.mc_alignment_size =
4477 BCM_RX_ETH_PAYLOAD_ALIGN;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004478 context->ustorm_st_context.common.bd_buff_size =
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07004479 bp->rx_buf_size;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004480 context->ustorm_st_context.common.bd_page_base_hi =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004481 U64_HI(fp->rx_desc_mapping);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004482 context->ustorm_st_context.common.bd_page_base_lo =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004483 U64_LO(fp->rx_desc_mapping);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004484 if (!fp->disable_tpa) {
4485 context->ustorm_st_context.common.flags |=
4486 (USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_TPA |
4487 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_SGE_RING);
4488 context->ustorm_st_context.common.sge_buff_size =
4489 (u16)(BCM_PAGE_SIZE*PAGES_PER_SGE);
4490 context->ustorm_st_context.common.sge_page_base_hi =
4491 U64_HI(fp->rx_sge_mapping);
4492 context->ustorm_st_context.common.sge_page_base_lo =
4493 U64_LO(fp->rx_sge_mapping);
4494 }
4495
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004496 context->cstorm_st_context.sb_index_number =
Eilon Greenstein5c862842008-08-13 15:51:48 -07004497 C_SB_ETH_TX_CQ_INDEX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004498 context->cstorm_st_context.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004499
4500 context->xstorm_ag_context.cdu_reserved =
4501 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4502 CDU_REGION_NUMBER_XCM_AG,
4503 ETH_CONNECTION_TYPE);
4504 context->ustorm_ag_context.cdu_usage =
4505 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4506 CDU_REGION_NUMBER_UCM_AG,
4507 ETH_CONNECTION_TYPE);
4508 }
4509}
4510
4511static void bnx2x_init_ind_table(struct bnx2x *bp)
4512{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004513 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004514 int i;
4515
4516 if (!is_multi(bp))
4517 return;
4518
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004519 DP(NETIF_MSG_IFUP, "Initializing indirection table\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004520 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004521 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4522 TSTORM_INDIRECTION_TABLE_OFFSET(port) + i,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004523 i % bp->num_queues);
4524
4525 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
4526}
4527
Eliezer Tamir49d66772008-02-28 11:53:13 -08004528static void bnx2x_set_client_config(struct bnx2x *bp)
4529{
Eliezer Tamir49d66772008-02-28 11:53:13 -08004530 struct tstorm_eth_client_config tstorm_client = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004531 int port = BP_PORT(bp);
4532 int i;
Eliezer Tamir49d66772008-02-28 11:53:13 -08004533
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004534 tstorm_client.mtu = bp->dev->mtu + ETH_OVREHEAD;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004535 tstorm_client.statistics_counter_id = BP_CL_ID(bp);
Eliezer Tamir49d66772008-02-28 11:53:13 -08004536 tstorm_client.config_flags =
4537 TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE;
4538#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004539 if (bp->rx_mode && bp->vlgrp) {
Eliezer Tamir49d66772008-02-28 11:53:13 -08004540 tstorm_client.config_flags |=
4541 TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE;
4542 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
4543 }
4544#endif
Eliezer Tamir49d66772008-02-28 11:53:13 -08004545
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004546 if (bp->flags & TPA_ENABLE_FLAG) {
4547 tstorm_client.max_sges_for_packet =
Eilon Greenstein4f40f2c2009-01-14 21:24:17 -08004548 SGE_PAGE_ALIGN(tstorm_client.mtu) >> SGE_PAGE_SHIFT;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004549 tstorm_client.max_sges_for_packet =
4550 ((tstorm_client.max_sges_for_packet +
4551 PAGES_PER_SGE - 1) & (~(PAGES_PER_SGE - 1))) >>
4552 PAGES_PER_SGE_SHIFT;
4553
4554 tstorm_client.config_flags |=
4555 TSTORM_ETH_CLIENT_CONFIG_ENABLE_SGE_RING;
4556 }
4557
Eliezer Tamir49d66772008-02-28 11:53:13 -08004558 for_each_queue(bp, i) {
4559 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004560 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id),
Eliezer Tamir49d66772008-02-28 11:53:13 -08004561 ((u32 *)&tstorm_client)[0]);
4562 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004563 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id) + 4,
Eliezer Tamir49d66772008-02-28 11:53:13 -08004564 ((u32 *)&tstorm_client)[1]);
4565 }
4566
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004567 DP(BNX2X_MSG_OFF, "tstorm_client: 0x%08x 0x%08x\n",
4568 ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]);
Eliezer Tamir49d66772008-02-28 11:53:13 -08004569}
4570
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004571static void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
4572{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004573 struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004574 int mode = bp->rx_mode;
4575 int mask = (1 << BP_L_ID(bp));
4576 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004577 int i;
4578
Eilon Greenstein3196a882008-08-13 15:58:49 -07004579 DP(NETIF_MSG_IFUP, "rx mode %d mask 0x%x\n", mode, mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004580
4581 switch (mode) {
4582 case BNX2X_RX_MODE_NONE: /* no Rx */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004583 tstorm_mac_filter.ucast_drop_all = mask;
4584 tstorm_mac_filter.mcast_drop_all = mask;
4585 tstorm_mac_filter.bcast_drop_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004586 break;
4587 case BNX2X_RX_MODE_NORMAL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004588 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004589 break;
4590 case BNX2X_RX_MODE_ALLMULTI:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004591 tstorm_mac_filter.mcast_accept_all = mask;
4592 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004593 break;
4594 case BNX2X_RX_MODE_PROMISC:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004595 tstorm_mac_filter.ucast_accept_all = mask;
4596 tstorm_mac_filter.mcast_accept_all = mask;
4597 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004598 break;
4599 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004600 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4601 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004602 }
4603
4604 for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) {
4605 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004606 TSTORM_MAC_FILTER_CONFIG_OFFSET(func) + i * 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004607 ((u32 *)&tstorm_mac_filter)[i]);
4608
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004609/* DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004610 ((u32 *)&tstorm_mac_filter)[i]); */
4611 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004612
Eliezer Tamir49d66772008-02-28 11:53:13 -08004613 if (mode != BNX2X_RX_MODE_NONE)
4614 bnx2x_set_client_config(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004615}
4616
Eilon Greenstein471de712008-08-13 15:49:35 -07004617static void bnx2x_init_internal_common(struct bnx2x *bp)
4618{
4619 int i;
4620
Yitchak Gertner3cdf1db2008-08-25 15:24:21 -07004621 if (bp->flags & TPA_ENABLE_FLAG) {
4622 struct tstorm_eth_tpa_exist tpa = {0};
4623
4624 tpa.tpa_exist = 1;
4625
4626 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET,
4627 ((u32 *)&tpa)[0]);
4628 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET + 4,
4629 ((u32 *)&tpa)[1]);
4630 }
4631
Eilon Greenstein471de712008-08-13 15:49:35 -07004632 /* Zero this manually as its initialization is
4633 currently missing in the initTool */
4634 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4635 REG_WR(bp, BAR_USTRORM_INTMEM +
4636 USTORM_AGG_DATA_OFFSET + i * 4, 0);
4637}
4638
4639static void bnx2x_init_internal_port(struct bnx2x *bp)
4640{
4641 int port = BP_PORT(bp);
4642
4643 REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4644 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4645 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4646 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4647}
4648
4649static void bnx2x_init_internal_func(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004650{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004651 struct tstorm_eth_function_common_config tstorm_config = {0};
4652 struct stats_indication_flags stats_flags = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004653 int port = BP_PORT(bp);
4654 int func = BP_FUNC(bp);
4655 int i;
Eilon Greenstein471de712008-08-13 15:49:35 -07004656 u16 max_agg_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004657
4658 if (is_multi(bp)) {
4659 tstorm_config.config_flags = MULTI_FLAGS;
4660 tstorm_config.rss_result_mask = MULTI_MASK;
4661 }
4662
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004663 tstorm_config.leading_client_id = BP_L_ID(bp);
4664
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004665 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004666 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004667 (*(u32 *)&tstorm_config));
4668
Eliezer Tamirc14423f2008-02-28 11:49:42 -08004669 bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004670 bnx2x_set_storm_rx_mode(bp);
4671
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004672 /* reset xstorm per client statistics */
4673 for (i = 0; i < sizeof(struct xstorm_per_client_stats) / 4; i++) {
4674 REG_WR(bp, BAR_XSTRORM_INTMEM +
4675 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4676 i*4, 0);
4677 }
4678 /* reset tstorm per client statistics */
4679 for (i = 0; i < sizeof(struct tstorm_per_client_stats) / 4; i++) {
4680 REG_WR(bp, BAR_TSTRORM_INTMEM +
4681 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4682 i*4, 0);
4683 }
4684
4685 /* Init statistics related context */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004686 stats_flags.collect_eth = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004687
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004688 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004689 ((u32 *)&stats_flags)[0]);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004690 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004691 ((u32 *)&stats_flags)[1]);
4692
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004693 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004694 ((u32 *)&stats_flags)[0]);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004695 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004696 ((u32 *)&stats_flags)[1]);
4697
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004698 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004699 ((u32 *)&stats_flags)[0]);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004700 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004701 ((u32 *)&stats_flags)[1]);
4702
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004703 REG_WR(bp, BAR_XSTRORM_INTMEM +
4704 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4705 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4706 REG_WR(bp, BAR_XSTRORM_INTMEM +
4707 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4708 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
4709
4710 REG_WR(bp, BAR_TSTRORM_INTMEM +
4711 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4712 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4713 REG_WR(bp, BAR_TSTRORM_INTMEM +
4714 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4715 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004716
4717 if (CHIP_IS_E1H(bp)) {
4718 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
4719 IS_E1HMF(bp));
4720 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
4721 IS_E1HMF(bp));
4722 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
4723 IS_E1HMF(bp));
4724 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
4725 IS_E1HMF(bp));
4726
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004727 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(func),
4728 bp->e1hov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004729 }
4730
Eilon Greenstein4f40f2c2009-01-14 21:24:17 -08004731 /* Init CQ ring mapping and aggregation size, the FW limit is 8 frags */
4732 max_agg_size =
4733 min((u32)(min((u32)8, (u32)MAX_SKB_FRAGS) *
4734 SGE_PAGE_SIZE * PAGES_PER_SGE),
4735 (u32)0xffff);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004736 for_each_queue(bp, i) {
4737 struct bnx2x_fastpath *fp = &bp->fp[i];
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004738
4739 REG_WR(bp, BAR_USTRORM_INTMEM +
4740 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)),
4741 U64_LO(fp->rx_comp_mapping));
4742 REG_WR(bp, BAR_USTRORM_INTMEM +
4743 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)) + 4,
4744 U64_HI(fp->rx_comp_mapping));
4745
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004746 REG_WR16(bp, BAR_USTRORM_INTMEM +
4747 USTORM_MAX_AGG_SIZE_OFFSET(port, FP_CL_ID(fp)),
4748 max_agg_size);
4749 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004750}
4751
Eilon Greenstein471de712008-08-13 15:49:35 -07004752static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4753{
4754 switch (load_code) {
4755 case FW_MSG_CODE_DRV_LOAD_COMMON:
4756 bnx2x_init_internal_common(bp);
4757 /* no break */
4758
4759 case FW_MSG_CODE_DRV_LOAD_PORT:
4760 bnx2x_init_internal_port(bp);
4761 /* no break */
4762
4763 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
4764 bnx2x_init_internal_func(bp);
4765 break;
4766
4767 default:
4768 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4769 break;
4770 }
4771}
4772
4773static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004774{
4775 int i;
4776
4777 for_each_queue(bp, i) {
4778 struct bnx2x_fastpath *fp = &bp->fp[i];
4779
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004780 fp->bp = bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004781 fp->state = BNX2X_FP_STATE_CLOSED;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004782 fp->index = i;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004783 fp->cl_id = BP_L_ID(bp) + i;
4784 fp->sb_id = fp->cl_id;
4785 DP(NETIF_MSG_IFUP,
4786 "bnx2x_init_sb(%p,%p) index %d cl_id %d sb %d\n",
4787 bp, fp->status_blk, i, FP_CL_ID(fp), FP_SB_ID(fp));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004788 bnx2x_init_sb(bp, fp->status_blk, fp->status_blk_mapping,
4789 FP_SB_ID(fp));
4790 bnx2x_update_fpsb_idx(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004791 }
4792
Eilon Greenstein5c862842008-08-13 15:51:48 -07004793 bnx2x_init_def_sb(bp, bp->def_status_blk, bp->def_status_blk_mapping,
4794 DEF_SB_ID);
4795 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004796 bnx2x_update_coalesce(bp);
4797 bnx2x_init_rx_rings(bp);
4798 bnx2x_init_tx_ring(bp);
4799 bnx2x_init_sp_ring(bp);
4800 bnx2x_init_context(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07004801 bnx2x_init_internal(bp, load_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004802 bnx2x_init_ind_table(bp);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08004803 bnx2x_int_enable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004804}
4805
4806/* end of nic init */
4807
4808/*
4809 * gzip service functions
4810 */
4811
4812static int bnx2x_gunzip_init(struct bnx2x *bp)
4813{
4814 bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE,
4815 &bp->gunzip_mapping);
4816 if (bp->gunzip_buf == NULL)
4817 goto gunzip_nomem1;
4818
4819 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4820 if (bp->strm == NULL)
4821 goto gunzip_nomem2;
4822
4823 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4824 GFP_KERNEL);
4825 if (bp->strm->workspace == NULL)
4826 goto gunzip_nomem3;
4827
4828 return 0;
4829
4830gunzip_nomem3:
4831 kfree(bp->strm);
4832 bp->strm = NULL;
4833
4834gunzip_nomem2:
4835 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4836 bp->gunzip_mapping);
4837 bp->gunzip_buf = NULL;
4838
4839gunzip_nomem1:
4840 printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for"
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004841 " un-compression\n", bp->dev->name);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004842 return -ENOMEM;
4843}
4844
4845static void bnx2x_gunzip_end(struct bnx2x *bp)
4846{
4847 kfree(bp->strm->workspace);
4848
4849 kfree(bp->strm);
4850 bp->strm = NULL;
4851
4852 if (bp->gunzip_buf) {
4853 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4854 bp->gunzip_mapping);
4855 bp->gunzip_buf = NULL;
4856 }
4857}
4858
4859static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len)
4860{
4861 int n, rc;
4862
4863 /* check gzip header */
4864 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED))
4865 return -EINVAL;
4866
4867 n = 10;
4868
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004869#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004870
4871 if (zbuf[3] & FNAME)
4872 while ((zbuf[n++] != 0) && (n < len));
4873
4874 bp->strm->next_in = zbuf + n;
4875 bp->strm->avail_in = len - n;
4876 bp->strm->next_out = bp->gunzip_buf;
4877 bp->strm->avail_out = FW_BUF_SIZE;
4878
4879 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4880 if (rc != Z_OK)
4881 return rc;
4882
4883 rc = zlib_inflate(bp->strm, Z_FINISH);
4884 if ((rc != Z_OK) && (rc != Z_STREAM_END))
4885 printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n",
4886 bp->dev->name, bp->strm->msg);
4887
4888 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4889 if (bp->gunzip_outlen & 0x3)
4890 printk(KERN_ERR PFX "%s: Firmware decompression error:"
4891 " gunzip_outlen (%d) not aligned\n",
4892 bp->dev->name, bp->gunzip_outlen);
4893 bp->gunzip_outlen >>= 2;
4894
4895 zlib_inflateEnd(bp->strm);
4896
4897 if (rc == Z_STREAM_END)
4898 return 0;
4899
4900 return rc;
4901}
4902
4903/* nic load/unload */
4904
4905/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004906 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004907 */
4908
4909/* send a NIG loopback debug packet */
4910static void bnx2x_lb_pckt(struct bnx2x *bp)
4911{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004912 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004913
4914 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004915 wb_write[0] = 0x55555555;
4916 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004917 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004918 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004919
4920 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004921 wb_write[0] = 0x09000000;
4922 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004923 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004924 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004925}
4926
4927/* some of the internal memories
4928 * are not directly readable from the driver
4929 * to test them we send debug packets
4930 */
4931static int bnx2x_int_mem_test(struct bnx2x *bp)
4932{
4933 int factor;
4934 int count, i;
4935 u32 val = 0;
4936
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004937 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004938 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004939 else if (CHIP_REV_IS_EMUL(bp))
4940 factor = 200;
4941 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004942 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004943
4944 DP(NETIF_MSG_HW, "start part1\n");
4945
4946 /* Disable inputs of parser neighbor blocks */
4947 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4948 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4949 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004950 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004951
4952 /* Write 0 to parser credits for CFC search request */
4953 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4954
4955 /* send Ethernet packet */
4956 bnx2x_lb_pckt(bp);
4957
4958 /* TODO do i reset NIG statistic? */
4959 /* Wait until NIG register shows 1 packet of size 0x10 */
4960 count = 1000 * factor;
4961 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004962
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004963 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4964 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004965 if (val == 0x10)
4966 break;
4967
4968 msleep(10);
4969 count--;
4970 }
4971 if (val != 0x10) {
4972 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4973 return -1;
4974 }
4975
4976 /* Wait until PRS register shows 1 packet */
4977 count = 1000 * factor;
4978 while (count) {
4979 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004980 if (val == 1)
4981 break;
4982
4983 msleep(10);
4984 count--;
4985 }
4986 if (val != 0x1) {
4987 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4988 return -2;
4989 }
4990
4991 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004992 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004993 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004994 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004995 msleep(50);
4996 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
4997 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
4998
4999 DP(NETIF_MSG_HW, "part2\n");
5000
5001 /* Disable inputs of parser neighbor blocks */
5002 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5003 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5004 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005005 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005006
5007 /* Write 0 to parser credits for CFC search request */
5008 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5009
5010 /* send 10 Ethernet packets */
5011 for (i = 0; i < 10; i++)
5012 bnx2x_lb_pckt(bp);
5013
5014 /* Wait until NIG register shows 10 + 1
5015 packets of size 11*0x10 = 0xb0 */
5016 count = 1000 * factor;
5017 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005018
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005019 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5020 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005021 if (val == 0xb0)
5022 break;
5023
5024 msleep(10);
5025 count--;
5026 }
5027 if (val != 0xb0) {
5028 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5029 return -3;
5030 }
5031
5032 /* Wait until PRS register shows 2 packets */
5033 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5034 if (val != 2)
5035 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5036
5037 /* Write 1 to parser credits for CFC search request */
5038 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
5039
5040 /* Wait until PRS register shows 3 packets */
5041 msleep(10 * factor);
5042 /* Wait until NIG register shows 1 packet of size 0x10 */
5043 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5044 if (val != 3)
5045 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5046
5047 /* clear NIG EOP FIFO */
5048 for (i = 0; i < 11; i++)
5049 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
5050 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
5051 if (val != 1) {
5052 BNX2X_ERR("clear of NIG failed\n");
5053 return -4;
5054 }
5055
5056 /* Reset and init BRB, PRS, NIG */
5057 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
5058 msleep(50);
5059 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
5060 msleep(50);
5061 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5062 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5063#ifndef BCM_ISCSI
5064 /* set NIC mode */
5065 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5066#endif
5067
5068 /* Enable inputs of parser neighbor blocks */
5069 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
5070 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
5071 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005072 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005073
5074 DP(NETIF_MSG_HW, "done\n");
5075
5076 return 0; /* OK */
5077}
5078
5079static void enable_blocks_attention(struct bnx2x *bp)
5080{
5081 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5082 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
5083 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5084 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5085 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
5086 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
5087 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
5088 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
5089 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005090/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
5091/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005092 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
5093 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
5094 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005095/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
5096/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005097 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
5098 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
5099 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
5100 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005101/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
5102/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
5103 if (CHIP_REV_IS_FPGA(bp))
5104 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
5105 else
5106 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005107 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
5108 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
5109 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005110/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
5111/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005112 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
5113 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005114/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
5115 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005116}
5117
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005118
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005119static int bnx2x_init_common(struct bnx2x *bp)
5120{
5121 u32 val, i;
5122
5123 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_FUNC(bp));
5124
5125 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
5126 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
5127
5128 bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END);
5129 if (CHIP_IS_E1H(bp))
5130 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_E1HMF(bp));
5131
5132 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100);
5133 msleep(30);
5134 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0);
5135
5136 bnx2x_init_block(bp, PXP_COMMON_START, PXP_COMMON_END);
5137 if (CHIP_IS_E1(bp)) {
5138 /* enable HW interrupt from PXP on USDM overflow
5139 bit 16 on INT_MASK_0 */
5140 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005141 }
5142
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005143 bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END);
5144 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005145
5146#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005147 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5148 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5149 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5150 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5151 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
5152 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005153
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005154/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5155 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5156 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5157 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5158 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005159#endif
5160
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005161 REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005162#ifdef BCM_ISCSI
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005163 REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5);
5164 REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5);
5165 REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005166#endif
5167
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005168 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5169 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005170
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005171 /* let the HW do it's magic ... */
5172 msleep(100);
5173 /* finish PXP init */
5174 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5175 if (val != 1) {
5176 BNX2X_ERR("PXP2 CFG failed\n");
5177 return -EBUSY;
5178 }
5179 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5180 if (val != 1) {
5181 BNX2X_ERR("PXP2 RD_INIT failed\n");
5182 return -EBUSY;
5183 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005184
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005185 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5186 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005187
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005188 bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005189
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005190 /* clean the DMAE memory */
5191 bp->dmae_ready = 1;
5192 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005193
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005194 bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END);
5195 bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END);
5196 bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END);
5197 bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005198
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005199 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5200 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5201 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5202 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5203
5204 bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END);
5205 /* soft reset pulse */
5206 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5207 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005208
5209#ifdef BCM_ISCSI
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005210 bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005211#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005212
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005213 bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END);
5214 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_SHIFT);
5215 if (!CHIP_REV_IS_SLOW(bp)) {
5216 /* enable hw interrupt from doorbell Q */
5217 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5218 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005219
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005220 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5221 if (CHIP_REV_IS_SLOW(bp)) {
5222 /* fix for emulation and FPGA for no pause */
5223 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0, 513);
5224 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_1, 513);
5225 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0, 0);
5226 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_1, 0);
5227 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005228
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005229 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005230 /* set NIC mode */
5231 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005232 if (CHIP_IS_E1H(bp))
5233 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_E1HMF(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005234
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005235 bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END);
5236 bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END);
5237 bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END);
5238 bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005239
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005240 if (CHIP_IS_E1H(bp)) {
5241 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5242 STORM_INTMEM_SIZE_E1H/2);
5243 bnx2x_init_fill(bp,
5244 TSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5245 0, STORM_INTMEM_SIZE_E1H/2);
5246 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5247 STORM_INTMEM_SIZE_E1H/2);
5248 bnx2x_init_fill(bp,
5249 CSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5250 0, STORM_INTMEM_SIZE_E1H/2);
5251 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5252 STORM_INTMEM_SIZE_E1H/2);
5253 bnx2x_init_fill(bp,
5254 XSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5255 0, STORM_INTMEM_SIZE_E1H/2);
5256 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5257 STORM_INTMEM_SIZE_E1H/2);
5258 bnx2x_init_fill(bp,
5259 USTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5260 0, STORM_INTMEM_SIZE_E1H/2);
5261 } else { /* E1 */
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005262 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5263 STORM_INTMEM_SIZE_E1);
5264 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5265 STORM_INTMEM_SIZE_E1);
5266 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5267 STORM_INTMEM_SIZE_E1);
5268 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5269 STORM_INTMEM_SIZE_E1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005270 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005271
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005272 bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END);
5273 bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END);
5274 bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END);
5275 bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005276
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005277 /* sync semi rtc */
5278 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5279 0x80000000);
5280 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5281 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005282
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005283 bnx2x_init_block(bp, UPB_COMMON_START, UPB_COMMON_END);
5284 bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END);
5285 bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005286
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005287 REG_WR(bp, SRC_REG_SOFT_RST, 1);
5288 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) {
5289 REG_WR(bp, i, 0xc0cac01a);
5290 /* TODO: replace with something meaningful */
5291 }
5292 if (CHIP_IS_E1H(bp))
5293 bnx2x_init_block(bp, SRCH_COMMON_START, SRCH_COMMON_END);
5294 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005295
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005296 if (sizeof(union cdu_context) != 1024)
5297 /* we currently assume that a context is 1024 bytes */
5298 printk(KERN_ALERT PFX "please adjust the size of"
5299 " cdu_context(%ld)\n", (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005300
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005301 bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END);
5302 val = (4 << 24) + (0 << 12) + 1024;
5303 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
5304 if (CHIP_IS_E1(bp)) {
5305 /* !!! fix pxp client crdit until excel update */
5306 REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264);
5307 REG_WR(bp, CDU_REG_CDU_DEBUG, 0);
5308 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005309
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005310 bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END);
5311 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005312
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005313 bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END);
5314 bnx2x_init_block(bp, MISC_AEU_COMMON_START, MISC_AEU_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005315
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005316 /* PXPCS COMMON comes here */
5317 /* Reset PCIE errors for debug */
5318 REG_WR(bp, 0x2814, 0xffffffff);
5319 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005320
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005321 /* EMAC0 COMMON comes here */
5322 /* EMAC1 COMMON comes here */
5323 /* DBU COMMON comes here */
5324 /* DBG COMMON comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005325
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005326 bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END);
5327 if (CHIP_IS_E1H(bp)) {
5328 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_E1HMF(bp));
5329 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_E1HMF(bp));
5330 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005331
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005332 if (CHIP_REV_IS_SLOW(bp))
5333 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005334
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005335 /* finish CFC init */
5336 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5337 if (val != 1) {
5338 BNX2X_ERR("CFC LL_INIT failed\n");
5339 return -EBUSY;
5340 }
5341 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5342 if (val != 1) {
5343 BNX2X_ERR("CFC AC_INIT failed\n");
5344 return -EBUSY;
5345 }
5346 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5347 if (val != 1) {
5348 BNX2X_ERR("CFC CAM_INIT failed\n");
5349 return -EBUSY;
5350 }
5351 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005352
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005353 /* read NIG statistic
5354 to see if this is our first up since powerup */
5355 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5356 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005357
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005358 /* do internal memory self test */
5359 if ((CHIP_IS_E1(bp)) && (val == 0) && bnx2x_int_mem_test(bp)) {
5360 BNX2X_ERR("internal mem self test failed\n");
5361 return -EBUSY;
5362 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005363
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005364 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
Eilon Greenstein7add9052008-08-25 15:20:48 -07005365 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005366 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5367 /* Fan failure is indicated by SPIO 5 */
5368 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
5369 MISC_REGISTERS_SPIO_INPUT_HI_Z);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005370
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005371 /* set to active low mode */
5372 val = REG_RD(bp, MISC_REG_SPIO_INT);
5373 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Eliezer Tamirf1410642008-02-28 11:51:50 -08005374 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005375 REG_WR(bp, MISC_REG_SPIO_INT, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005376
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005377 /* enable interrupt to signal the IGU */
5378 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
5379 val |= (1 << MISC_REGISTERS_SPIO_5);
5380 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
5381 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08005382
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005383 default:
5384 break;
5385 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08005386
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005387 /* clear PXP2 attentions */
5388 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005389
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005390 enable_blocks_attention(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005391
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005392 if (!BP_NOMCP(bp)) {
5393 bnx2x_acquire_phy_lock(bp);
5394 bnx2x_common_init_phy(bp, bp->common.shmem_base);
5395 bnx2x_release_phy_lock(bp);
5396 } else
5397 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5398
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005399 return 0;
5400}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005401
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005402static int bnx2x_init_port(struct bnx2x *bp)
5403{
5404 int port = BP_PORT(bp);
5405 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005406
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005407 DP(BNX2X_MSG_MCP, "starting port init port %x\n", port);
5408
5409 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005410
5411 /* Port PXP comes here */
5412 /* Port PXP2 comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005413#ifdef BCM_ISCSI
5414 /* Port0 1
5415 * Port1 385 */
5416 i++;
5417 wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping);
5418 wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping);
5419 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5420 REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i));
5421
5422 /* Port0 2
5423 * Port1 386 */
5424 i++;
5425 wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping);
5426 wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping);
5427 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5428 REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i));
5429
5430 /* Port0 3
5431 * Port1 387 */
5432 i++;
5433 wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping);
5434 wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping);
5435 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5436 REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i));
5437#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005438 /* Port CMs come here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005439
5440 /* Port QM comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005441#ifdef BCM_ISCSI
5442 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20);
5443 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31);
5444
5445 bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START,
5446 func ? TIMERS_PORT1_END : TIMERS_PORT0_END);
5447#endif
5448 /* Port DQ comes here */
5449 /* Port BRB1 comes here */
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005450 /* Port PRS comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005451 /* Port TSDM comes here */
5452 /* Port CSDM comes here */
5453 /* Port USDM comes here */
5454 /* Port XSDM comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005455 bnx2x_init_block(bp, port ? TSEM_PORT1_START : TSEM_PORT0_START,
5456 port ? TSEM_PORT1_END : TSEM_PORT0_END);
5457 bnx2x_init_block(bp, port ? USEM_PORT1_START : USEM_PORT0_START,
5458 port ? USEM_PORT1_END : USEM_PORT0_END);
5459 bnx2x_init_block(bp, port ? CSEM_PORT1_START : CSEM_PORT0_START,
5460 port ? CSEM_PORT1_END : CSEM_PORT0_END);
5461 bnx2x_init_block(bp, port ? XSEM_PORT1_START : XSEM_PORT0_START,
5462 port ? XSEM_PORT1_END : XSEM_PORT0_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005463 /* Port UPB comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005464 /* Port XPB comes here */
5465
5466 bnx2x_init_block(bp, port ? PBF_PORT1_START : PBF_PORT0_START,
5467 port ? PBF_PORT1_END : PBF_PORT0_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005468
5469 /* configure PBF to work without PAUSE mtu 9000 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005470 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005471
5472 /* update threshold */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005473 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005474 /* update init credit */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005475 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005476
5477 /* probe changes */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005478 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005479 msleep(5);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005480 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005481
5482#ifdef BCM_ISCSI
5483 /* tell the searcher where the T2 table is */
5484 REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64);
5485
5486 wb_write[0] = U64_LO(bp->t2_mapping);
5487 wb_write[1] = U64_HI(bp->t2_mapping);
5488 REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2);
5489 wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64);
5490 wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64);
5491 REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2);
5492
5493 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10);
5494 /* Port SRCH comes here */
5495#endif
5496 /* Port CDU comes here */
5497 /* Port CFC comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005498
5499 if (CHIP_IS_E1(bp)) {
5500 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5501 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5502 }
5503 bnx2x_init_block(bp, port ? HC_PORT1_START : HC_PORT0_START,
5504 port ? HC_PORT1_END : HC_PORT0_END);
5505
5506 bnx2x_init_block(bp, port ? MISC_AEU_PORT1_START :
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005507 MISC_AEU_PORT0_START,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005508 port ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END);
5509 /* init aeu_mask_attn_func_0/1:
5510 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5511 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5512 * bits 4-7 are used for "per vn group attention" */
5513 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4,
5514 (IS_E1HMF(bp) ? 0xF7 : 0x7));
5515
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005516 /* Port PXPCS comes here */
5517 /* Port EMAC0 comes here */
5518 /* Port EMAC1 comes here */
5519 /* Port DBU comes here */
5520 /* Port DBG comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005521 bnx2x_init_block(bp, port ? NIG_PORT1_START : NIG_PORT0_START,
5522 port ? NIG_PORT1_END : NIG_PORT0_END);
5523
5524 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5525
5526 if (CHIP_IS_E1H(bp)) {
5527 u32 wsum;
5528 struct cmng_struct_per_port m_cmng_port;
5529 int vn;
5530
5531 /* 0x2 disable e1hov, 0x1 enable */
5532 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
5533 (IS_E1HMF(bp) ? 0x1 : 0x2));
5534
5535 /* Init RATE SHAPING and FAIRNESS contexts.
5536 Initialize as if there is 10G link. */
5537 wsum = bnx2x_calc_vn_wsum(bp);
5538 bnx2x_init_port_minmax(bp, (int)wsum, 10000, &m_cmng_port);
5539 if (IS_E1HMF(bp))
5540 for (vn = VN_0; vn < E1HVN_MAX; vn++)
5541 bnx2x_init_vn_minmax(bp, 2*vn + port,
5542 wsum, 10000, &m_cmng_port);
5543 }
5544
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005545 /* Port MCP comes here */
5546 /* Port DMAE comes here */
5547
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005548 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
Eilon Greenstein7add9052008-08-25 15:20:48 -07005549 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
Eliezer Tamirf1410642008-02-28 11:51:50 -08005550 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5551 /* add SPIO 5 to group 0 */
5552 val = REG_RD(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5553 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
5554 REG_WR(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0, val);
5555 break;
5556
5557 default:
5558 break;
5559 }
5560
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07005561 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005562
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005563 return 0;
5564}
5565
5566#define ILT_PER_FUNC (768/2)
5567#define FUNC_ILT_BASE(func) (func * ILT_PER_FUNC)
5568/* the phys address is shifted right 12 bits and has an added
5569 1=valid bit added to the 53rd bit
5570 then since this is a wide register(TM)
5571 we split it into two 32 bit writes
5572 */
5573#define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF))
5574#define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44)))
5575#define PXP_ONE_ILT(x) (((x) << 10) | x)
5576#define PXP_ILT_RANGE(f, l) (((l) << 10) | f)
5577
5578#define CNIC_ILT_LINES 0
5579
5580static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5581{
5582 int reg;
5583
5584 if (CHIP_IS_E1H(bp))
5585 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5586 else /* E1 */
5587 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
5588
5589 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5590}
5591
5592static int bnx2x_init_func(struct bnx2x *bp)
5593{
5594 int port = BP_PORT(bp);
5595 int func = BP_FUNC(bp);
5596 int i;
5597
5598 DP(BNX2X_MSG_MCP, "starting func init func %x\n", func);
5599
5600 i = FUNC_ILT_BASE(func);
5601
5602 bnx2x_ilt_wr(bp, i, bnx2x_sp_mapping(bp, context));
5603 if (CHIP_IS_E1H(bp)) {
5604 REG_WR(bp, PXP2_REG_RQ_CDU_FIRST_ILT, i);
5605 REG_WR(bp, PXP2_REG_RQ_CDU_LAST_ILT, i + CNIC_ILT_LINES);
5606 } else /* E1 */
5607 REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4,
5608 PXP_ILT_RANGE(i, i + CNIC_ILT_LINES));
5609
5610
5611 if (CHIP_IS_E1H(bp)) {
5612 for (i = 0; i < 9; i++)
5613 bnx2x_init_block(bp,
5614 cm_start[func][i], cm_end[func][i]);
5615
5616 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
5617 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->e1hov);
5618 }
5619
5620 /* HC init per function */
5621 if (CHIP_IS_E1H(bp)) {
5622 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5623
5624 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5625 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5626 }
5627 bnx2x_init_block(bp, hc_limits[func][0], hc_limits[func][1]);
5628
5629 if (CHIP_IS_E1H(bp))
5630 REG_WR(bp, HC_REG_FUNC_NUM_P0 + port*4, func);
5631
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005632 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005633 REG_WR(bp, 0x2114, 0xffffffff);
5634 REG_WR(bp, 0x2120, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005635
5636 return 0;
5637}
5638
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005639static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5640{
5641 int i, rc = 0;
5642
5643 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
5644 BP_FUNC(bp), load_code);
5645
5646 bp->dmae_ready = 0;
5647 mutex_init(&bp->dmae_mutex);
5648 bnx2x_gunzip_init(bp);
5649
5650 switch (load_code) {
5651 case FW_MSG_CODE_DRV_LOAD_COMMON:
5652 rc = bnx2x_init_common(bp);
5653 if (rc)
5654 goto init_hw_err;
5655 /* no break */
5656
5657 case FW_MSG_CODE_DRV_LOAD_PORT:
5658 bp->dmae_ready = 1;
5659 rc = bnx2x_init_port(bp);
5660 if (rc)
5661 goto init_hw_err;
5662 /* no break */
5663
5664 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5665 bp->dmae_ready = 1;
5666 rc = bnx2x_init_func(bp);
5667 if (rc)
5668 goto init_hw_err;
5669 break;
5670
5671 default:
5672 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5673 break;
5674 }
5675
5676 if (!BP_NOMCP(bp)) {
5677 int func = BP_FUNC(bp);
5678
5679 bp->fw_drv_pulse_wr_seq =
5680 (SHMEM_RD(bp, func_mb[func].drv_pulse_mb) &
5681 DRV_PULSE_SEQ_MASK);
5682 bp->func_stx = SHMEM_RD(bp, func_mb[func].fw_mb_param);
5683 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x func_stx 0x%x\n",
5684 bp->fw_drv_pulse_wr_seq, bp->func_stx);
5685 } else
5686 bp->func_stx = 0;
5687
5688 /* this needs to be done before gunzip end */
5689 bnx2x_zero_def_sb(bp);
5690 for_each_queue(bp, i)
5691 bnx2x_zero_sb(bp, BP_L_ID(bp) + i);
5692
5693init_hw_err:
5694 bnx2x_gunzip_end(bp);
5695
5696 return rc;
5697}
5698
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005699/* send the MCP a request, block until there is a reply */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005700static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
5701{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005702 int func = BP_FUNC(bp);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005703 u32 seq = ++bp->fw_seq;
5704 u32 rc = 0;
Eilon Greenstein19680c42008-08-13 15:47:33 -07005705 u32 cnt = 1;
5706 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005707
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005708 SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq));
Eliezer Tamirf1410642008-02-28 11:51:50 -08005709 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005710
Eilon Greenstein19680c42008-08-13 15:47:33 -07005711 do {
5712 /* let the FW do it's magic ... */
5713 msleep(delay);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005714
Eilon Greenstein19680c42008-08-13 15:47:33 -07005715 rc = SHMEM_RD(bp, func_mb[func].fw_mb_header);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005716
Eilon Greenstein19680c42008-08-13 15:47:33 -07005717 /* Give the FW up to 2 second (200*10ms) */
5718 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 200));
5719
5720 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
5721 cnt*delay, rc, seq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005722
5723 /* is this a reply to our command? */
5724 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) {
5725 rc &= FW_MSG_CODE_MASK;
Eliezer Tamirf1410642008-02-28 11:51:50 -08005726
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005727 } else {
5728 /* FW BUG! */
5729 BNX2X_ERR("FW failed to respond!\n");
5730 bnx2x_fw_dump(bp);
5731 rc = 0;
5732 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08005733
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005734 return rc;
5735}
5736
5737static void bnx2x_free_mem(struct bnx2x *bp)
5738{
5739
5740#define BNX2X_PCI_FREE(x, y, size) \
5741 do { \
5742 if (x) { \
5743 pci_free_consistent(bp->pdev, size, x, y); \
5744 x = NULL; \
5745 y = 0; \
5746 } \
5747 } while (0)
5748
5749#define BNX2X_FREE(x) \
5750 do { \
5751 if (x) { \
5752 vfree(x); \
5753 x = NULL; \
5754 } \
5755 } while (0)
5756
5757 int i;
5758
5759 /* fastpath */
5760 for_each_queue(bp, i) {
5761
5762 /* Status blocks */
5763 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk),
5764 bnx2x_fp(bp, i, status_blk_mapping),
5765 sizeof(struct host_status_block) +
5766 sizeof(struct eth_tx_db_data));
5767
5768 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5769 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
5770 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
5771 bnx2x_fp(bp, i, tx_desc_mapping),
5772 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5773
5774 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5775 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5776 bnx2x_fp(bp, i, rx_desc_mapping),
5777 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5778
5779 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5780 bnx2x_fp(bp, i, rx_comp_mapping),
5781 sizeof(struct eth_fast_path_rx_cqe) *
5782 NUM_RCQ_BD);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005783
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005784 /* SGE ring */
Eilon Greenstein32626232008-08-13 15:51:07 -07005785 BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005786 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5787 bnx2x_fp(bp, i, rx_sge_mapping),
5788 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5789 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005790 /* end of fastpath */
5791
5792 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005793 sizeof(struct host_def_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005794
5795 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005796 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005797
5798#ifdef BCM_ISCSI
5799 BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024);
5800 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024);
5801 BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024);
5802 BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024);
5803#endif
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005804 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005805
5806#undef BNX2X_PCI_FREE
5807#undef BNX2X_KFREE
5808}
5809
5810static int bnx2x_alloc_mem(struct bnx2x *bp)
5811{
5812
5813#define BNX2X_PCI_ALLOC(x, y, size) \
5814 do { \
5815 x = pci_alloc_consistent(bp->pdev, size, y); \
5816 if (x == NULL) \
5817 goto alloc_mem_err; \
5818 memset(x, 0, size); \
5819 } while (0)
5820
5821#define BNX2X_ALLOC(x, size) \
5822 do { \
5823 x = vmalloc(size); \
5824 if (x == NULL) \
5825 goto alloc_mem_err; \
5826 memset(x, 0, size); \
5827 } while (0)
5828
5829 int i;
5830
5831 /* fastpath */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005832 for_each_queue(bp, i) {
5833 bnx2x_fp(bp, i, bp) = bp;
5834
5835 /* Status blocks */
5836 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk),
5837 &bnx2x_fp(bp, i, status_blk_mapping),
5838 sizeof(struct host_status_block) +
5839 sizeof(struct eth_tx_db_data));
5840
5841 bnx2x_fp(bp, i, hw_tx_prods) =
5842 (void *)(bnx2x_fp(bp, i, status_blk) + 1);
5843
5844 bnx2x_fp(bp, i, tx_prods_mapping) =
5845 bnx2x_fp(bp, i, status_blk_mapping) +
5846 sizeof(struct host_status_block);
5847
5848 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5849 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
5850 sizeof(struct sw_tx_bd) * NUM_TX_BD);
5851 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
5852 &bnx2x_fp(bp, i, tx_desc_mapping),
5853 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5854
5855 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
5856 sizeof(struct sw_rx_bd) * NUM_RX_BD);
5857 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
5858 &bnx2x_fp(bp, i, rx_desc_mapping),
5859 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5860
5861 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
5862 &bnx2x_fp(bp, i, rx_comp_mapping),
5863 sizeof(struct eth_fast_path_rx_cqe) *
5864 NUM_RCQ_BD);
5865
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005866 /* SGE ring */
5867 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
5868 sizeof(struct sw_rx_page) * NUM_RX_SGE);
5869 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
5870 &bnx2x_fp(bp, i, rx_sge_mapping),
5871 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005872 }
5873 /* end of fastpath */
5874
5875 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
5876 sizeof(struct host_def_status_block));
5877
5878 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5879 sizeof(struct bnx2x_slowpath));
5880
5881#ifdef BCM_ISCSI
5882 BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024);
5883
5884 /* Initialize T1 */
5885 for (i = 0; i < 64*1024; i += 64) {
5886 *(u64 *)((char *)bp->t1 + i + 56) = 0x0UL;
5887 *(u64 *)((char *)bp->t1 + i + 3) = 0x0UL;
5888 }
5889
5890 /* allocate searcher T2 table
5891 we allocate 1/4 of alloc num for T2
5892 (which is not entered into the ILT) */
5893 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024);
5894
5895 /* Initialize T2 */
5896 for (i = 0; i < 16*1024; i += 64)
5897 * (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64;
5898
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005899 /* now fixup the last line in the block to point to the next block */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005900 *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping;
5901
5902 /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */
5903 BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024);
5904
5905 /* QM queues (128*MAX_CONN) */
5906 BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024);
5907#endif
5908
5909 /* Slow path ring */
5910 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5911
5912 return 0;
5913
5914alloc_mem_err:
5915 bnx2x_free_mem(bp);
5916 return -ENOMEM;
5917
5918#undef BNX2X_PCI_ALLOC
5919#undef BNX2X_ALLOC
5920}
5921
5922static void bnx2x_free_tx_skbs(struct bnx2x *bp)
5923{
5924 int i;
5925
5926 for_each_queue(bp, i) {
5927 struct bnx2x_fastpath *fp = &bp->fp[i];
5928
5929 u16 bd_cons = fp->tx_bd_cons;
5930 u16 sw_prod = fp->tx_pkt_prod;
5931 u16 sw_cons = fp->tx_pkt_cons;
5932
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005933 while (sw_cons != sw_prod) {
5934 bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons));
5935 sw_cons++;
5936 }
5937 }
5938}
5939
5940static void bnx2x_free_rx_skbs(struct bnx2x *bp)
5941{
5942 int i, j;
5943
5944 for_each_queue(bp, j) {
5945 struct bnx2x_fastpath *fp = &bp->fp[j];
5946
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005947 for (i = 0; i < NUM_RX_BD; i++) {
5948 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i];
5949 struct sk_buff *skb = rx_buf->skb;
5950
5951 if (skb == NULL)
5952 continue;
5953
5954 pci_unmap_single(bp->pdev,
5955 pci_unmap_addr(rx_buf, mapping),
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07005956 bp->rx_buf_size,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005957 PCI_DMA_FROMDEVICE);
5958
5959 rx_buf->skb = NULL;
5960 dev_kfree_skb(skb);
5961 }
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005962 if (!fp->disable_tpa)
Eilon Greenstein32626232008-08-13 15:51:07 -07005963 bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ?
5964 ETH_MAX_AGGREGATION_QUEUES_E1 :
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005965 ETH_MAX_AGGREGATION_QUEUES_E1H);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005966 }
5967}
5968
5969static void bnx2x_free_skbs(struct bnx2x *bp)
5970{
5971 bnx2x_free_tx_skbs(bp);
5972 bnx2x_free_rx_skbs(bp);
5973}
5974
5975static void bnx2x_free_msix_irqs(struct bnx2x *bp)
5976{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005977 int i, offset = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005978
5979 free_irq(bp->msix_table[0].vector, bp->dev);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005980 DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005981 bp->msix_table[0].vector);
5982
5983 for_each_queue(bp, i) {
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005984 DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq "
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005985 "state %x\n", i, bp->msix_table[i + offset].vector,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005986 bnx2x_fp(bp, i, state));
5987
Eliezer Tamir228241e2008-02-28 11:56:57 -08005988 if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED)
5989 BNX2X_ERR("IRQ of fp #%d being freed while "
5990 "state != closed\n", i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005991
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005992 free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005993 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005994}
5995
5996static void bnx2x_free_irq(struct bnx2x *bp)
5997{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005998 if (bp->flags & USING_MSIX_FLAG) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005999 bnx2x_free_msix_irqs(bp);
6000 pci_disable_msix(bp->pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006001 bp->flags &= ~USING_MSIX_FLAG;
6002
6003 } else
6004 free_irq(bp->pdev->irq, bp->dev);
6005}
6006
6007static int bnx2x_enable_msix(struct bnx2x *bp)
6008{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006009 int i, rc, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006010
6011 bp->msix_table[0].entry = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006012 offset = 1;
6013 DP(NETIF_MSG_IFUP, "msix_table[0].entry = 0 (slowpath)\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006014
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006015 for_each_queue(bp, i) {
6016 int igu_vec = offset + i + BP_L_ID(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006017
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006018 bp->msix_table[i + offset].entry = igu_vec;
6019 DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d "
6020 "(fastpath #%u)\n", i + offset, igu_vec, i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006021 }
6022
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006023 rc = pci_enable_msix(bp->pdev, &bp->msix_table[0],
6024 bp->num_queues + offset);
6025 if (rc) {
6026 DP(NETIF_MSG_IFUP, "MSI-X is not attainable\n");
6027 return -1;
6028 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006029 bp->flags |= USING_MSIX_FLAG;
6030
6031 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006032}
6033
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006034static int bnx2x_req_msix_irqs(struct bnx2x *bp)
6035{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006036 int i, rc, offset = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006037
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006038 rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0,
6039 bp->dev->name, bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006040 if (rc) {
6041 BNX2X_ERR("request sp irq failed\n");
6042 return -EBUSY;
6043 }
6044
6045 for_each_queue(bp, i) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006046 rc = request_irq(bp->msix_table[i + offset].vector,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006047 bnx2x_msix_fp_int, 0,
6048 bp->dev->name, &bp->fp[i]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006049 if (rc) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07006050 BNX2X_ERR("request fp #%d irq failed rc -%d\n",
6051 i + offset, -rc);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006052 bnx2x_free_msix_irqs(bp);
6053 return -EBUSY;
6054 }
6055
6056 bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006057 }
6058
6059 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006060}
6061
6062static int bnx2x_req_irq(struct bnx2x *bp)
6063{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006064 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006065
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006066 rc = request_irq(bp->pdev->irq, bnx2x_interrupt, IRQF_SHARED,
6067 bp->dev->name, bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006068 if (!rc)
6069 bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ;
6070
6071 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006072}
6073
Yitchak Gertner65abd742008-08-25 15:26:24 -07006074static void bnx2x_napi_enable(struct bnx2x *bp)
6075{
6076 int i;
6077
6078 for_each_queue(bp, i)
6079 napi_enable(&bnx2x_fp(bp, i, napi));
6080}
6081
6082static void bnx2x_napi_disable(struct bnx2x *bp)
6083{
6084 int i;
6085
6086 for_each_queue(bp, i)
6087 napi_disable(&bnx2x_fp(bp, i, napi));
6088}
6089
6090static void bnx2x_netif_start(struct bnx2x *bp)
6091{
6092 if (atomic_dec_and_test(&bp->intr_sem)) {
6093 if (netif_running(bp->dev)) {
6094 if (bp->state == BNX2X_STATE_OPEN)
6095 netif_wake_queue(bp->dev);
6096 bnx2x_napi_enable(bp);
6097 bnx2x_int_enable(bp);
6098 }
6099 }
6100}
6101
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07006102static void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw)
Yitchak Gertner65abd742008-08-25 15:26:24 -07006103{
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07006104 bnx2x_int_disable_sync(bp, disable_hw);
Yitchak Gertner65abd742008-08-25 15:26:24 -07006105 if (netif_running(bp->dev)) {
6106 bnx2x_napi_disable(bp);
6107 netif_tx_disable(bp->dev);
6108 bp->dev->trans_start = jiffies; /* prevent tx timeout */
6109 }
6110}
6111
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006112/*
6113 * Init service functions
6114 */
6115
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006116static void bnx2x_set_mac_addr_e1(struct bnx2x *bp, int set)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006117{
6118 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006119 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006120
6121 /* CAM allocation
6122 * unicasts 0-31:port0 32-63:port1
6123 * multicast 64-127:port0 128-191:port1
6124 */
6125 config->hdr.length_6b = 2;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006126 config->hdr.offset = port ? 31 : 0;
6127 config->hdr.client_id = BP_CL_ID(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006128 config->hdr.reserved1 = 0;
6129
6130 /* primary MAC */
6131 config->config_table[0].cam_entry.msb_mac_addr =
6132 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6133 config->config_table[0].cam_entry.middle_mac_addr =
6134 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6135 config->config_table[0].cam_entry.lsb_mac_addr =
6136 swab16(*(u16 *)&bp->dev->dev_addr[4]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006137 config->config_table[0].cam_entry.flags = cpu_to_le16(port);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006138 if (set)
6139 config->config_table[0].target_table_entry.flags = 0;
6140 else
6141 CAM_INVALIDATE(config->config_table[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006142 config->config_table[0].target_table_entry.client_id = 0;
6143 config->config_table[0].target_table_entry.vlan_id = 0;
6144
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006145 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)\n",
6146 (set ? "setting" : "clearing"),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006147 config->config_table[0].cam_entry.msb_mac_addr,
6148 config->config_table[0].cam_entry.middle_mac_addr,
6149 config->config_table[0].cam_entry.lsb_mac_addr);
6150
6151 /* broadcast */
6152 config->config_table[1].cam_entry.msb_mac_addr = 0xffff;
6153 config->config_table[1].cam_entry.middle_mac_addr = 0xffff;
6154 config->config_table[1].cam_entry.lsb_mac_addr = 0xffff;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006155 config->config_table[1].cam_entry.flags = cpu_to_le16(port);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006156 if (set)
6157 config->config_table[1].target_table_entry.flags =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006158 TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST;
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006159 else
6160 CAM_INVALIDATE(config->config_table[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006161 config->config_table[1].target_table_entry.client_id = 0;
6162 config->config_table[1].target_table_entry.vlan_id = 0;
6163
6164 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6165 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6166 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6167}
6168
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006169static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp, int set)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006170{
6171 struct mac_configuration_cmd_e1h *config =
6172 (struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config);
6173
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006174 if (set && (bp->state != BNX2X_STATE_OPEN)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006175 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
6176 return;
6177 }
6178
6179 /* CAM allocation for E1H
6180 * unicasts: by func number
6181 * multicast: 20+FUNC*20, 20 each
6182 */
6183 config->hdr.length_6b = 1;
6184 config->hdr.offset = BP_FUNC(bp);
6185 config->hdr.client_id = BP_CL_ID(bp);
6186 config->hdr.reserved1 = 0;
6187
6188 /* primary MAC */
6189 config->config_table[0].msb_mac_addr =
6190 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6191 config->config_table[0].middle_mac_addr =
6192 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6193 config->config_table[0].lsb_mac_addr =
6194 swab16(*(u16 *)&bp->dev->dev_addr[4]);
6195 config->config_table[0].client_id = BP_L_ID(bp);
6196 config->config_table[0].vlan_id = 0;
6197 config->config_table[0].e1hov_id = cpu_to_le16(bp->e1hov);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006198 if (set)
6199 config->config_table[0].flags = BP_PORT(bp);
6200 else
6201 config->config_table[0].flags =
6202 MAC_CONFIGURATION_ENTRY_E1H_ACTION_TYPE;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006203
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006204 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) E1HOV %d CLID %d\n",
6205 (set ? "setting" : "clearing"),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006206 config->config_table[0].msb_mac_addr,
6207 config->config_table[0].middle_mac_addr,
6208 config->config_table[0].lsb_mac_addr, bp->e1hov, BP_L_ID(bp));
6209
6210 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6211 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6212 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6213}
6214
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006215static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6216 int *state_p, int poll)
6217{
6218 /* can take a while if any port is running */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006219 int cnt = 500;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006220
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006221 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6222 poll ? "polling" : "waiting", state, idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006223
6224 might_sleep();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006225 while (cnt--) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006226 if (poll) {
6227 bnx2x_rx_int(bp->fp, 10);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006228 /* if index is different from 0
6229 * the reply for some commands will
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006230 * be on the non default queue
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006231 */
6232 if (idx)
6233 bnx2x_rx_int(&bp->fp[idx], 10);
6234 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006235
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006236 mb(); /* state is changed by bnx2x_sp_event() */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006237 if (*state_p == state)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006238 return 0;
6239
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006240 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006241 }
6242
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006243 /* timeout! */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006244 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6245 poll ? "polling" : "waiting", state, idx);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006246#ifdef BNX2X_STOP_ON_ERROR
6247 bnx2x_panic();
6248#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006249
Eliezer Tamir49d66772008-02-28 11:53:13 -08006250 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006251}
6252
6253static int bnx2x_setup_leading(struct bnx2x *bp)
6254{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006255 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006256
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006257 /* reset IGU state */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006258 bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006259
6260 /* SETUP ramrod */
6261 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0);
6262
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006263 /* Wait for completion */
6264 rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006265
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006266 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006267}
6268
6269static int bnx2x_setup_multi(struct bnx2x *bp, int index)
6270{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006271 /* reset IGU state */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006272 bnx2x_ack_sb(bp, bp->fp[index].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006273
Eliezer Tamir228241e2008-02-28 11:56:57 -08006274 /* SETUP ramrod */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006275 bp->fp[index].state = BNX2X_FP_STATE_OPENING;
6276 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0);
6277
6278 /* Wait for completion */
6279 return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index,
Eliezer Tamir228241e2008-02-28 11:56:57 -08006280 &(bp->fp[index].state), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006281}
6282
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006283static int bnx2x_poll(struct napi_struct *napi, int budget);
6284static void bnx2x_set_rx_mode(struct net_device *dev);
6285
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006286/* must be called with rtnl_lock */
6287static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006288{
Eliezer Tamir228241e2008-02-28 11:56:57 -08006289 u32 load_code;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006290 int i, rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006291#ifdef BNX2X_STOP_ON_ERROR
6292 if (unlikely(bp->panic))
6293 return -EPERM;
6294#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006295
6296 bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;
6297
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006298 /* Send LOAD_REQUEST command to MCP
6299 Returns the type of LOAD command:
6300 if it is the first port to be initialized
6301 common blocks should be initialized, otherwise - not
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006302 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006303 if (!BP_NOMCP(bp)) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08006304 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ);
6305 if (!load_code) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006306 BNX2X_ERR("MCP response failure, aborting\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08006307 return -EBUSY;
6308 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006309 if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006310 return -EBUSY; /* other port in diagnostic mode */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006311
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006312 } else {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006313 int port = BP_PORT(bp);
6314
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006315 DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n",
6316 load_count[0], load_count[1], load_count[2]);
6317 load_count[0]++;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006318 load_count[1 + port]++;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006319 DP(NETIF_MSG_IFUP, "NO MCP new load counts %d, %d, %d\n",
6320 load_count[0], load_count[1], load_count[2]);
6321 if (load_count[0] == 1)
6322 load_code = FW_MSG_CODE_DRV_LOAD_COMMON;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006323 else if (load_count[1 + port] == 1)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006324 load_code = FW_MSG_CODE_DRV_LOAD_PORT;
6325 else
6326 load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006327 }
6328
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006329 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) ||
6330 (load_code == FW_MSG_CODE_DRV_LOAD_PORT))
6331 bp->port.pmf = 1;
6332 else
6333 bp->port.pmf = 0;
6334 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
6335
6336 /* if we can't use MSI-X we only need one fp,
6337 * so try to enable MSI-X with the requested number of fp's
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006338 * and fallback to inta with one fp
6339 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006340 if (use_inta) {
6341 bp->num_queues = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006342
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006343 } else {
6344 if ((use_multi > 1) && (use_multi <= BP_MAX_QUEUES(bp)))
6345 /* user requested number */
6346 bp->num_queues = use_multi;
6347
6348 else if (use_multi)
6349 bp->num_queues = min_t(u32, num_online_cpus(),
6350 BP_MAX_QUEUES(bp));
6351 else
6352 bp->num_queues = 1;
6353
6354 if (bnx2x_enable_msix(bp)) {
6355 /* failed to enable MSI-X */
6356 bp->num_queues = 1;
6357 if (use_multi)
6358 BNX2X_ERR("Multi requested but failed"
6359 " to enable MSI-X\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006360 }
6361 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006362 DP(NETIF_MSG_IFUP,
6363 "set number of queues to %d\n", bp->num_queues);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006364
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006365 if (bnx2x_alloc_mem(bp))
6366 return -ENOMEM;
6367
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006368 for_each_queue(bp, i)
6369 bnx2x_fp(bp, i, disable_tpa) =
6370 ((bp->flags & TPA_ENABLE_FLAG) == 0);
6371
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006372 if (bp->flags & USING_MSIX_FLAG) {
6373 rc = bnx2x_req_msix_irqs(bp);
6374 if (rc) {
6375 pci_disable_msix(bp->pdev);
6376 goto load_error;
6377 }
6378 } else {
6379 bnx2x_ack_int(bp);
6380 rc = bnx2x_req_irq(bp);
6381 if (rc) {
6382 BNX2X_ERR("IRQ request failed, aborting\n");
6383 goto load_error;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006384 }
6385 }
6386
6387 for_each_queue(bp, i)
6388 netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
6389 bnx2x_poll, 128);
6390
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006391 /* Initialize HW */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006392 rc = bnx2x_init_hw(bp, load_code);
6393 if (rc) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006394 BNX2X_ERR("HW init failed, aborting\n");
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006395 goto load_int_disable;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006396 }
6397
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006398 /* Setup NIC internals and enable interrupts */
Eilon Greenstein471de712008-08-13 15:49:35 -07006399 bnx2x_nic_init(bp, load_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006400
6401 /* Send LOAD_DONE command to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006402 if (!BP_NOMCP(bp)) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08006403 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE);
6404 if (!load_code) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006405 BNX2X_ERR("MCP response failure, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006406 rc = -EBUSY;
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006407 goto load_rings_free;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006408 }
6409 }
6410
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07006411 bnx2x_stats_init(bp);
6412
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006413 bp->state = BNX2X_STATE_OPENING_WAIT4_PORT;
6414
6415 /* Enable Rx interrupt handling before sending the ramrod
6416 as it's completed on Rx FP queue */
Yitchak Gertner65abd742008-08-25 15:26:24 -07006417 bnx2x_napi_enable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006418
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006419 /* Enable interrupt handling */
6420 atomic_set(&bp->intr_sem, 0);
6421
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006422 rc = bnx2x_setup_leading(bp);
6423 if (rc) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006424 BNX2X_ERR("Setup leading failed!\n");
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006425 goto load_netif_stop;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006426 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006427
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006428 if (CHIP_IS_E1H(bp))
6429 if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) {
6430 BNX2X_ERR("!!! mf_cfg function disabled\n");
6431 bp->state = BNX2X_STATE_DISABLED;
6432 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006433
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006434 if (bp->state == BNX2X_STATE_OPEN)
6435 for_each_nondefault_queue(bp, i) {
6436 rc = bnx2x_setup_multi(bp, i);
6437 if (rc)
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006438 goto load_netif_stop;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006439 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006440
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006441 if (CHIP_IS_E1(bp))
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006442 bnx2x_set_mac_addr_e1(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006443 else
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006444 bnx2x_set_mac_addr_e1h(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006445
6446 if (bp->port.pmf)
6447 bnx2x_initial_phy_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006448
6449 /* Start fast path */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006450 switch (load_mode) {
6451 case LOAD_NORMAL:
6452 /* Tx queue should be only reenabled */
6453 netif_wake_queue(bp->dev);
6454 bnx2x_set_rx_mode(bp->dev);
6455 break;
6456
6457 case LOAD_OPEN:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006458 netif_start_queue(bp->dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006459 bnx2x_set_rx_mode(bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006460 if (bp->flags & USING_MSIX_FLAG)
6461 printk(KERN_INFO PFX "%s: using MSI-X\n",
6462 bp->dev->name);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006463 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006464
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006465 case LOAD_DIAG:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006466 bnx2x_set_rx_mode(bp->dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006467 bp->state = BNX2X_STATE_DIAG;
6468 break;
6469
6470 default:
6471 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006472 }
6473
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006474 if (!bp->port.pmf)
6475 bnx2x__link_status_update(bp);
6476
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006477 /* start the timer */
6478 mod_timer(&bp->timer, jiffies + bp->current_interval);
6479
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006480
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006481 return 0;
6482
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006483load_netif_stop:
Yitchak Gertner65abd742008-08-25 15:26:24 -07006484 bnx2x_napi_disable(bp);
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006485load_rings_free:
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006486 /* Free SKBs, SGEs, TPA pool and driver internals */
6487 bnx2x_free_skbs(bp);
6488 for_each_queue(bp, i)
Eilon Greenstein3196a882008-08-13 15:58:49 -07006489 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006490load_int_disable:
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07006491 bnx2x_int_disable_sync(bp, 1);
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006492 /* Release IRQs */
6493 bnx2x_free_irq(bp);
Eliezer Tamir228241e2008-02-28 11:56:57 -08006494load_error:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006495 bnx2x_free_mem(bp);
Eilon Greenstein9a035442008-11-03 16:45:55 -08006496 bp->port.pmf = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006497
6498 /* TBD we really need to reset the chip
6499 if we want to recover from this */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006500 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006501}
6502
6503static int bnx2x_stop_multi(struct bnx2x *bp, int index)
6504{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006505 int rc;
6506
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006507 /* halt the connection */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006508 bp->fp[index].state = BNX2X_FP_STATE_HALTING;
Yitchak Gertner231fd582008-08-25 15:27:06 -07006509 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, index, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006510
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006511 /* Wait for completion */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006512 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006513 &(bp->fp[index].state), 1);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006514 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006515 return rc;
6516
6517 /* delete cfc entry */
6518 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1);
6519
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006520 /* Wait for completion */
6521 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index,
6522 &(bp->fp[index].state), 1);
6523 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006524}
6525
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006526static int bnx2x_stop_leading(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006527{
Eliezer Tamir49d66772008-02-28 11:53:13 -08006528 u16 dsb_sp_prod_idx;
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006529 /* if the other port is handling traffic,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006530 this can take a lot of time */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006531 int cnt = 500;
6532 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006533
6534 might_sleep();
6535
6536 /* Send HALT ramrod */
6537 bp->fp[0].state = BNX2X_FP_STATE_HALTING;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006538 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, BP_CL_ID(bp), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006539
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006540 /* Wait for completion */
6541 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0,
6542 &(bp->fp[0].state), 1);
6543 if (rc) /* timeout */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006544 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006545
Eliezer Tamir49d66772008-02-28 11:53:13 -08006546 dsb_sp_prod_idx = *bp->dsb_sp_prod;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006547
Eliezer Tamir228241e2008-02-28 11:56:57 -08006548 /* Send PORT_DELETE ramrod */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006549 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1);
6550
Eliezer Tamir49d66772008-02-28 11:53:13 -08006551 /* Wait for completion to arrive on default status block
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006552 we are going to reset the chip anyway
6553 so there is not much to do if this times out
6554 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006555 while (dsb_sp_prod_idx == *bp->dsb_sp_prod) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006556 if (!cnt) {
6557 DP(NETIF_MSG_IFDOWN, "timeout waiting for port del "
6558 "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n",
6559 *bp->dsb_sp_prod, dsb_sp_prod_idx);
6560#ifdef BNX2X_STOP_ON_ERROR
6561 bnx2x_panic();
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006562#else
6563 rc = -EBUSY;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006564#endif
6565 break;
6566 }
6567 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006568 msleep(1);
Eliezer Tamir49d66772008-02-28 11:53:13 -08006569 }
6570 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
6571 bp->fp[0].state = BNX2X_FP_STATE_CLOSED;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006572
6573 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006574}
6575
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006576static void bnx2x_reset_func(struct bnx2x *bp)
6577{
6578 int port = BP_PORT(bp);
6579 int func = BP_FUNC(bp);
6580 int base, i;
Eliezer Tamir49d66772008-02-28 11:53:13 -08006581
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006582 /* Configure IGU */
6583 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6584 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6585
6586 REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000);
6587
6588 /* Clear ILT */
6589 base = FUNC_ILT_BASE(func);
6590 for (i = base; i < base + ILT_PER_FUNC; i++)
6591 bnx2x_ilt_wr(bp, i, 0);
6592}
6593
6594static void bnx2x_reset_port(struct bnx2x *bp)
6595{
6596 int port = BP_PORT(bp);
6597 u32 val;
6598
6599 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6600
6601 /* Do not rcv packets to BRB */
6602 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6603 /* Do not direct rcv packets that are not for MCP to the BRB */
6604 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6605 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6606
6607 /* Configure AEU */
6608 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6609
6610 msleep(100);
6611 /* Check for BRB port occupancy */
6612 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6613 if (val)
6614 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07006615 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006616
6617 /* TODO: Close Doorbell port? */
6618}
6619
6620static void bnx2x_reset_common(struct bnx2x *bp)
6621{
6622 /* reset_common */
6623 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6624 0xd3ffff7f);
6625 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
6626}
6627
6628static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6629{
6630 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
6631 BP_FUNC(bp), reset_code);
6632
6633 switch (reset_code) {
6634 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
6635 bnx2x_reset_port(bp);
6636 bnx2x_reset_func(bp);
6637 bnx2x_reset_common(bp);
6638 break;
6639
6640 case FW_MSG_CODE_DRV_UNLOAD_PORT:
6641 bnx2x_reset_port(bp);
6642 bnx2x_reset_func(bp);
6643 break;
6644
6645 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
6646 bnx2x_reset_func(bp);
6647 break;
6648
6649 default:
6650 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
6651 break;
6652 }
6653}
6654
Eilon Greenstein33471622008-08-13 15:59:08 -07006655/* must be called with rtnl_lock */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006656static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006657{
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006658 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006659 u32 reset_code = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006660 int i, cnt, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006661
6662 bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;
6663
Eliezer Tamir228241e2008-02-28 11:56:57 -08006664 bp->rx_mode = BNX2X_RX_MODE_NONE;
6665 bnx2x_set_storm_rx_mode(bp);
6666
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07006667 bnx2x_netif_stop(bp, 1);
Yitchak Gertner65abd742008-08-25 15:26:24 -07006668 if (!netif_running(bp->dev))
6669 bnx2x_napi_disable(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006670 del_timer_sync(&bp->timer);
6671 SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb,
6672 (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq));
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07006673 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006674
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006675 /* Wait until tx fast path tasks complete */
Eliezer Tamir228241e2008-02-28 11:56:57 -08006676 for_each_queue(bp, i) {
6677 struct bnx2x_fastpath *fp = &bp->fp[i];
6678
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006679 cnt = 1000;
6680 smp_rmb();
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006681 while (BNX2X_HAS_TX_WORK(fp)) {
6682
Yitchak Gertner65abd742008-08-25 15:26:24 -07006683 bnx2x_tx_int(fp, 1000);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006684 if (!cnt) {
6685 BNX2X_ERR("timeout waiting for queue[%d]\n",
6686 i);
6687#ifdef BNX2X_STOP_ON_ERROR
6688 bnx2x_panic();
6689 return -EBUSY;
6690#else
6691 break;
6692#endif
6693 }
6694 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006695 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006696 smp_rmb();
6697 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08006698 }
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006699 /* Give HW time to discard old tx messages */
6700 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006701
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006702 /* Release IRQs */
6703 bnx2x_free_irq(bp);
6704
Yitchak Gertner65abd742008-08-25 15:26:24 -07006705 if (CHIP_IS_E1(bp)) {
6706 struct mac_configuration_cmd *config =
6707 bnx2x_sp(bp, mcast_config);
6708
6709 bnx2x_set_mac_addr_e1(bp, 0);
6710
6711 for (i = 0; i < config->hdr.length_6b; i++)
6712 CAM_INVALIDATE(config->config_table[i]);
6713
6714 config->hdr.length_6b = i;
6715 if (CHIP_REV_IS_SLOW(bp))
6716 config->hdr.offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
6717 else
6718 config->hdr.offset = BNX2X_MAX_MULTICAST*(1 + port);
6719 config->hdr.client_id = BP_CL_ID(bp);
6720 config->hdr.reserved1 = 0;
6721
6722 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6723 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
6724 U64_LO(bnx2x_sp_mapping(bp, mcast_config)), 0);
6725
6726 } else { /* E1H */
6727 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
6728
6729 bnx2x_set_mac_addr_e1h(bp, 0);
6730
6731 for (i = 0; i < MC_HASH_SIZE; i++)
6732 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
6733 }
6734
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006735 if (unload_mode == UNLOAD_NORMAL)
6736 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006737
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006738 else if (bp->flags & NO_WOL_FLAG) {
6739 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
6740 if (CHIP_IS_E1H(bp))
6741 REG_WR(bp, MISC_REG_E1HMF_MODE, 0);
6742
6743 } else if (bp->wol) {
6744 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006745 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006746 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006747 /* The mac address is written to entries 1-4 to
6748 preserve entry 0 which is used by the PMF */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006749 u8 entry = (BP_E1HVN(bp) + 1)*8;
6750
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006751 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07006752 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006753
6754 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
6755 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07006756 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006757
6758 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006759
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006760 } else
6761 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6762
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006763 /* Close multi and leading connections
6764 Completions for ramrods are collected in a synchronous way */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006765 for_each_nondefault_queue(bp, i)
6766 if (bnx2x_stop_multi(bp, i))
Eliezer Tamir228241e2008-02-28 11:56:57 -08006767 goto unload_error;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006768
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006769 rc = bnx2x_stop_leading(bp);
6770 if (rc) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006771 BNX2X_ERR("Stop leading failed!\n");
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006772#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006773 return -EBUSY;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006774#else
6775 goto unload_error;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006776#endif
Eliezer Tamir228241e2008-02-28 11:56:57 -08006777 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006778
Eliezer Tamir228241e2008-02-28 11:56:57 -08006779unload_error:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006780 if (!BP_NOMCP(bp))
Eliezer Tamir228241e2008-02-28 11:56:57 -08006781 reset_code = bnx2x_fw_command(bp, reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006782 else {
6783 DP(NETIF_MSG_IFDOWN, "NO MCP load counts %d, %d, %d\n",
6784 load_count[0], load_count[1], load_count[2]);
6785 load_count[0]--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006786 load_count[1 + port]--;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006787 DP(NETIF_MSG_IFDOWN, "NO MCP new load counts %d, %d, %d\n",
6788 load_count[0], load_count[1], load_count[2]);
6789 if (load_count[0] == 0)
6790 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006791 else if (load_count[1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006792 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
6793 else
6794 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
6795 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006796
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006797 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
6798 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
6799 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006800
6801 /* Reset the chip */
Eliezer Tamir228241e2008-02-28 11:56:57 -08006802 bnx2x_reset_chip(bp, reset_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006803
6804 /* Report UNLOAD_DONE to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006805 if (!BP_NOMCP(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006806 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
Eilon Greenstein9a035442008-11-03 16:45:55 -08006807 bp->port.pmf = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006808
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006809 /* Free SKBs, SGEs, TPA pool and driver internals */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006810 bnx2x_free_skbs(bp);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006811 for_each_queue(bp, i)
Eilon Greenstein3196a882008-08-13 15:58:49 -07006812 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006813 bnx2x_free_mem(bp);
6814
6815 bp->state = BNX2X_STATE_CLOSED;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006816
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006817 netif_carrier_off(bp->dev);
6818
6819 return 0;
6820}
6821
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006822static void bnx2x_reset_task(struct work_struct *work)
6823{
6824 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task);
6825
6826#ifdef BNX2X_STOP_ON_ERROR
6827 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
6828 " so reset not done to allow debug dump,\n"
6829 KERN_ERR " you will need to reboot when done\n");
6830 return;
6831#endif
6832
6833 rtnl_lock();
6834
6835 if (!netif_running(bp->dev))
6836 goto reset_task_exit;
6837
6838 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
6839 bnx2x_nic_load(bp, LOAD_NORMAL);
6840
6841reset_task_exit:
6842 rtnl_unlock();
6843}
6844
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006845/* end of nic load/unload */
6846
6847/* ethtool_ops */
6848
6849/*
6850 * Init service functions
6851 */
6852
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006853static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006854{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006855 u32 val;
6856
6857 /* Check if there is any driver already loaded */
6858 val = REG_RD(bp, MISC_REG_UNPREPARED);
6859 if (val == 0x1) {
6860 /* Check if it is the UNDI driver
6861 * UNDI driver initializes CID offset for normal bell to 0x7
6862 */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07006863 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006864 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
Eilon Greenstein76b190c2008-08-25 15:22:46 -07006865 if (val == 0x7)
6866 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
6867 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
6868
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006869 if (val == 0x7) {
6870 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006871 /* save our func */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006872 int func = BP_FUNC(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006873 u32 swap_en;
6874 u32 swap_val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006875
6876 BNX2X_DEV_INFO("UNDI is active! reset device\n");
6877
6878 /* try unload UNDI on port 0 */
6879 bp->func = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006880 bp->fw_seq =
6881 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6882 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006883 reset_code = bnx2x_fw_command(bp, reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006884
6885 /* if UNDI is loaded on the other port */
6886 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
6887
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006888 /* send "DONE" for previous unload */
6889 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6890
6891 /* unload UNDI on port 1 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006892 bp->func = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006893 bp->fw_seq =
6894 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6895 DRV_MSG_SEQ_NUMBER_MASK);
6896 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006897
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006898 bnx2x_fw_command(bp, reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006899 }
6900
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006901 REG_WR(bp, (BP_PORT(bp) ? HC_REG_CONFIG_1 :
6902 HC_REG_CONFIG_0), 0x1000);
6903
6904 /* close input traffic and wait for it */
6905 /* Do not rcv packets to BRB */
6906 REG_WR(bp,
6907 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
6908 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
6909 /* Do not direct rcv packets that are not for MCP to
6910 * the BRB */
6911 REG_WR(bp,
6912 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
6913 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6914 /* clear AEU */
6915 REG_WR(bp,
6916 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
6917 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
6918 msleep(10);
6919
6920 /* save NIG port swap info */
6921 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
6922 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006923 /* reset device */
6924 REG_WR(bp,
6925 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006926 0xd3ffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006927 REG_WR(bp,
6928 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
6929 0x1403);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006930 /* take the NIG out of reset and restore swap values */
6931 REG_WR(bp,
6932 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6933 MISC_REGISTERS_RESET_REG_1_RST_NIG);
6934 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
6935 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
6936
6937 /* send unload done to the MCP */
6938 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6939
6940 /* restore our func and fw_seq */
6941 bp->func = func;
6942 bp->fw_seq =
6943 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6944 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006945 }
6946 }
6947}
6948
6949static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
6950{
6951 u32 val, val2, val3, val4, id;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07006952 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006953
6954 /* Get the chip revision id and number. */
6955 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
6956 val = REG_RD(bp, MISC_REG_CHIP_NUM);
6957 id = ((val & 0xffff) << 16);
6958 val = REG_RD(bp, MISC_REG_CHIP_REV);
6959 id |= ((val & 0xf) << 12);
6960 val = REG_RD(bp, MISC_REG_CHIP_METAL);
6961 id |= ((val & 0xff) << 4);
6962 REG_RD(bp, MISC_REG_BOND_ID);
6963 id |= (val & 0xf);
6964 bp->common.chip_id = id;
6965 bp->link_params.chip_id = bp->common.chip_id;
6966 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
6967
6968 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
6969 bp->common.flash_size = (NVRAM_1MB_SIZE <<
6970 (val & MCPR_NVM_CFG4_FLASH_SIZE));
6971 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
6972 bp->common.flash_size, bp->common.flash_size);
6973
6974 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
6975 bp->link_params.shmem_base = bp->common.shmem_base;
6976 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
6977
6978 if (!bp->common.shmem_base ||
6979 (bp->common.shmem_base < 0xA0000) ||
6980 (bp->common.shmem_base >= 0xC0000)) {
6981 BNX2X_DEV_INFO("MCP not active\n");
6982 bp->flags |= NO_MCP_FLAG;
6983 return;
6984 }
6985
6986 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
6987 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6988 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6989 BNX2X_ERR("BAD MCP validity signature\n");
6990
6991 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
6992 bp->common.board = SHMEM_RD(bp, dev_info.shared_hw_config.board);
6993
6994 BNX2X_DEV_INFO("hw_config 0x%08x board 0x%08x\n",
6995 bp->common.hw_config, bp->common.board);
6996
6997 bp->link_params.hw_led_mode = ((bp->common.hw_config &
6998 SHARED_HW_CFG_LED_MODE_MASK) >>
6999 SHARED_HW_CFG_LED_MODE_SHIFT);
7000
7001 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
7002 bp->common.bc_ver = val;
7003 BNX2X_DEV_INFO("bc_ver %X\n", val);
7004 if (val < BNX2X_BC_VER) {
7005 /* for now only warn
7006 * later we might need to enforce this */
7007 BNX2X_ERR("This driver needs bc_ver %X but found %X,"
7008 " please upgrade BC\n", BNX2X_BC_VER, val);
7009 }
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007010
7011 if (BP_E1HVN(bp) == 0) {
7012 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
7013 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
7014 } else {
7015 /* no WOL capability for E1HVN != 0 */
7016 bp->flags |= NO_WOL_FLAG;
7017 }
7018 BNX2X_DEV_INFO("%sWoL capable\n",
7019 (bp->flags & NO_WOL_FLAG) ? "Not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007020
7021 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
7022 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
7023 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
7024 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
7025
7026 printk(KERN_INFO PFX "part number %X-%X-%X-%X\n",
7027 val, val2, val3, val4);
7028}
7029
7030static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
7031 u32 switch_cfg)
7032{
7033 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007034 u32 ext_phy_type;
7035
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007036 switch (switch_cfg) {
7037 case SWITCH_CFG_1G:
7038 BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg);
7039
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007040 ext_phy_type =
7041 SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007042 switch (ext_phy_type) {
7043 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
7044 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7045 ext_phy_type);
7046
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007047 bp->port.supported |= (SUPPORTED_10baseT_Half |
7048 SUPPORTED_10baseT_Full |
7049 SUPPORTED_100baseT_Half |
7050 SUPPORTED_100baseT_Full |
7051 SUPPORTED_1000baseT_Full |
7052 SUPPORTED_2500baseX_Full |
7053 SUPPORTED_TP |
7054 SUPPORTED_FIBRE |
7055 SUPPORTED_Autoneg |
7056 SUPPORTED_Pause |
7057 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007058 break;
7059
7060 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
7061 BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n",
7062 ext_phy_type);
7063
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007064 bp->port.supported |= (SUPPORTED_10baseT_Half |
7065 SUPPORTED_10baseT_Full |
7066 SUPPORTED_100baseT_Half |
7067 SUPPORTED_100baseT_Full |
7068 SUPPORTED_1000baseT_Full |
7069 SUPPORTED_TP |
7070 SUPPORTED_FIBRE |
7071 SUPPORTED_Autoneg |
7072 SUPPORTED_Pause |
7073 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007074 break;
7075
7076 default:
7077 BNX2X_ERR("NVRAM config error. "
7078 "BAD SerDes ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007079 bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007080 return;
7081 }
7082
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007083 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
7084 port*0x10);
7085 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007086 break;
7087
7088 case SWITCH_CFG_10G:
7089 BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg);
7090
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007091 ext_phy_type =
7092 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007093 switch (ext_phy_type) {
7094 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7095 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7096 ext_phy_type);
7097
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007098 bp->port.supported |= (SUPPORTED_10baseT_Half |
7099 SUPPORTED_10baseT_Full |
7100 SUPPORTED_100baseT_Half |
7101 SUPPORTED_100baseT_Full |
7102 SUPPORTED_1000baseT_Full |
7103 SUPPORTED_2500baseX_Full |
7104 SUPPORTED_10000baseT_Full |
7105 SUPPORTED_TP |
7106 SUPPORTED_FIBRE |
7107 SUPPORTED_Autoneg |
7108 SUPPORTED_Pause |
7109 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007110 break;
7111
7112 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007113 BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007114 ext_phy_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007115
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007116 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7117 SUPPORTED_FIBRE |
7118 SUPPORTED_Pause |
7119 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007120 break;
7121
Eliezer Tamirf1410642008-02-28 11:51:50 -08007122 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7123 BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n",
7124 ext_phy_type);
7125
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007126 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7127 SUPPORTED_1000baseT_Full |
7128 SUPPORTED_FIBRE |
7129 SUPPORTED_Pause |
7130 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007131 break;
7132
7133 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
7134 BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n",
7135 ext_phy_type);
7136
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007137 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7138 SUPPORTED_1000baseT_Full |
7139 SUPPORTED_FIBRE |
7140 SUPPORTED_Autoneg |
7141 SUPPORTED_Pause |
7142 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007143 break;
7144
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007145 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
7146 BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n",
7147 ext_phy_type);
7148
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007149 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7150 SUPPORTED_2500baseX_Full |
7151 SUPPORTED_1000baseT_Full |
7152 SUPPORTED_FIBRE |
7153 SUPPORTED_Autoneg |
7154 SUPPORTED_Pause |
7155 SUPPORTED_Asym_Pause);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007156 break;
7157
Eliezer Tamirf1410642008-02-28 11:51:50 -08007158 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7159 BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n",
7160 ext_phy_type);
7161
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007162 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7163 SUPPORTED_TP |
7164 SUPPORTED_Autoneg |
7165 SUPPORTED_Pause |
7166 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007167 break;
7168
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007169 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7170 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7171 bp->link_params.ext_phy_config);
7172 break;
7173
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007174 default:
7175 BNX2X_ERR("NVRAM config error. "
7176 "BAD XGXS ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007177 bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007178 return;
7179 }
7180
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007181 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
7182 port*0x18);
7183 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007184
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007185 break;
7186
7187 default:
7188 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007189 bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007190 return;
7191 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007192 bp->link_params.phy_addr = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007193
7194 /* mask what we support according to speed_cap_mask */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007195 if (!(bp->link_params.speed_cap_mask &
7196 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007197 bp->port.supported &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007198
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007199 if (!(bp->link_params.speed_cap_mask &
7200 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007201 bp->port.supported &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007202
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007203 if (!(bp->link_params.speed_cap_mask &
7204 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007205 bp->port.supported &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007206
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007207 if (!(bp->link_params.speed_cap_mask &
7208 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007209 bp->port.supported &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007210
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007211 if (!(bp->link_params.speed_cap_mask &
7212 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007213 bp->port.supported &= ~(SUPPORTED_1000baseT_Half |
7214 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007215
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007216 if (!(bp->link_params.speed_cap_mask &
7217 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007218 bp->port.supported &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007219
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007220 if (!(bp->link_params.speed_cap_mask &
7221 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007222 bp->port.supported &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007223
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007224 BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007225}
7226
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007227static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007228{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007229 bp->link_params.req_duplex = DUPLEX_FULL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007230
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007231 switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007232 case PORT_FEATURE_LINK_SPEED_AUTO:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007233 if (bp->port.supported & SUPPORTED_Autoneg) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007234 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007235 bp->port.advertising = bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007236 } else {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007237 u32 ext_phy_type =
7238 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7239
7240 if ((ext_phy_type ==
7241 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
7242 (ext_phy_type ==
7243 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007244 /* force 10G, no AN */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007245 bp->link_params.req_line_speed = SPEED_10000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007246 bp->port.advertising =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007247 (ADVERTISED_10000baseT_Full |
7248 ADVERTISED_FIBRE);
7249 break;
7250 }
7251 BNX2X_ERR("NVRAM config error. "
7252 "Invalid link_config 0x%x"
7253 " Autoneg not supported\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007254 bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007255 return;
7256 }
7257 break;
7258
7259 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007260 if (bp->port.supported & SUPPORTED_10baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007261 bp->link_params.req_line_speed = SPEED_10;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007262 bp->port.advertising = (ADVERTISED_10baseT_Full |
7263 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007264 } else {
7265 BNX2X_ERR("NVRAM config error. "
7266 "Invalid link_config 0x%x"
7267 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007268 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007269 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007270 return;
7271 }
7272 break;
7273
7274 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007275 if (bp->port.supported & SUPPORTED_10baseT_Half) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007276 bp->link_params.req_line_speed = SPEED_10;
7277 bp->link_params.req_duplex = DUPLEX_HALF;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007278 bp->port.advertising = (ADVERTISED_10baseT_Half |
7279 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007280 } else {
7281 BNX2X_ERR("NVRAM config error. "
7282 "Invalid link_config 0x%x"
7283 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007284 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007285 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007286 return;
7287 }
7288 break;
7289
7290 case PORT_FEATURE_LINK_SPEED_100M_FULL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007291 if (bp->port.supported & SUPPORTED_100baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007292 bp->link_params.req_line_speed = SPEED_100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007293 bp->port.advertising = (ADVERTISED_100baseT_Full |
7294 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007295 } else {
7296 BNX2X_ERR("NVRAM config error. "
7297 "Invalid link_config 0x%x"
7298 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007299 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007300 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007301 return;
7302 }
7303 break;
7304
7305 case PORT_FEATURE_LINK_SPEED_100M_HALF:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007306 if (bp->port.supported & SUPPORTED_100baseT_Half) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007307 bp->link_params.req_line_speed = SPEED_100;
7308 bp->link_params.req_duplex = DUPLEX_HALF;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007309 bp->port.advertising = (ADVERTISED_100baseT_Half |
7310 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007311 } else {
7312 BNX2X_ERR("NVRAM config error. "
7313 "Invalid link_config 0x%x"
7314 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007315 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007316 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007317 return;
7318 }
7319 break;
7320
7321 case PORT_FEATURE_LINK_SPEED_1G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007322 if (bp->port.supported & SUPPORTED_1000baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007323 bp->link_params.req_line_speed = SPEED_1000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007324 bp->port.advertising = (ADVERTISED_1000baseT_Full |
7325 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007326 } else {
7327 BNX2X_ERR("NVRAM config error. "
7328 "Invalid link_config 0x%x"
7329 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007330 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007331 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007332 return;
7333 }
7334 break;
7335
7336 case PORT_FEATURE_LINK_SPEED_2_5G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007337 if (bp->port.supported & SUPPORTED_2500baseX_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007338 bp->link_params.req_line_speed = SPEED_2500;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007339 bp->port.advertising = (ADVERTISED_2500baseX_Full |
7340 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007341 } else {
7342 BNX2X_ERR("NVRAM config error. "
7343 "Invalid link_config 0x%x"
7344 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007345 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007346 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007347 return;
7348 }
7349 break;
7350
7351 case PORT_FEATURE_LINK_SPEED_10G_CX4:
7352 case PORT_FEATURE_LINK_SPEED_10G_KX4:
7353 case PORT_FEATURE_LINK_SPEED_10G_KR:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007354 if (bp->port.supported & SUPPORTED_10000baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007355 bp->link_params.req_line_speed = SPEED_10000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007356 bp->port.advertising = (ADVERTISED_10000baseT_Full |
7357 ADVERTISED_FIBRE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007358 } else {
7359 BNX2X_ERR("NVRAM config error. "
7360 "Invalid link_config 0x%x"
7361 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007362 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007363 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007364 return;
7365 }
7366 break;
7367
7368 default:
7369 BNX2X_ERR("NVRAM config error. "
7370 "BAD link speed link_config 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007371 bp->port.link_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007372 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007373 bp->port.advertising = bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007374 break;
7375 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007376
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007377 bp->link_params.req_flow_ctrl = (bp->port.link_config &
7378 PORT_FEATURE_FLOW_CONTROL_MASK);
David S. Millerc0700f92008-12-16 23:53:20 -08007379 if ((bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) &&
Randy Dunlap4ab84d42008-08-07 20:33:19 -07007380 !(bp->port.supported & SUPPORTED_Autoneg))
David S. Millerc0700f92008-12-16 23:53:20 -08007381 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007382
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007383 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl 0x%x"
Eliezer Tamirf1410642008-02-28 11:51:50 -08007384 " advertising 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007385 bp->link_params.req_line_speed,
7386 bp->link_params.req_duplex,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007387 bp->link_params.req_flow_ctrl, bp->port.advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007388}
7389
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007390static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007391{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007392 int port = BP_PORT(bp);
7393 u32 val, val2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007394
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007395 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007396 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007397
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007398 bp->link_params.serdes_config =
Eliezer Tamirf1410642008-02-28 11:51:50 -08007399 SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007400 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007401 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007402 bp->link_params.ext_phy_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007403 SHMEM_RD(bp,
7404 dev_info.port_hw_config[port].external_phy_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007405 bp->link_params.speed_cap_mask =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007406 SHMEM_RD(bp,
7407 dev_info.port_hw_config[port].speed_capability_mask);
7408
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007409 bp->port.link_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007410 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
7411
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007412 BNX2X_DEV_INFO("serdes_config 0x%08x lane_config 0x%08x\n"
7413 KERN_INFO " ext_phy_config 0x%08x speed_cap_mask 0x%08x"
7414 " link_config 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007415 bp->link_params.serdes_config,
7416 bp->link_params.lane_config,
7417 bp->link_params.ext_phy_config,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007418 bp->link_params.speed_cap_mask, bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007419
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007420 bp->link_params.switch_cfg = (bp->port.link_config &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007421 PORT_FEATURE_CONNECTED_SWITCH_MASK);
7422 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007423
7424 bnx2x_link_settings_requested(bp);
7425
7426 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
7427 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
7428 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7429 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7430 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7431 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7432 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7433 bp->dev->dev_addr[5] = (u8)(val & 0xff);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007434 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
7435 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007436}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007437
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007438static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
7439{
7440 int func = BP_FUNC(bp);
7441 u32 val, val2;
7442 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007443
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007444 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007445
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007446 bp->e1hov = 0;
7447 bp->e1hmf = 0;
7448 if (CHIP_IS_E1H(bp)) {
7449 bp->mf_config =
7450 SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007451
Eilon Greenstein3196a882008-08-13 15:58:49 -07007452 val = (SHMEM_RD(bp, mf_cfg.func_mf_config[func].e1hov_tag) &
7453 FUNC_MF_CFG_E1HOV_TAG_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007454 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007455
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007456 bp->e1hov = val;
7457 bp->e1hmf = 1;
7458 BNX2X_DEV_INFO("MF mode E1HOV for func %d is %d "
7459 "(0x%04x)\n",
7460 func, bp->e1hov, bp->e1hov);
7461 } else {
7462 BNX2X_DEV_INFO("Single function mode\n");
7463 if (BP_E1HVN(bp)) {
7464 BNX2X_ERR("!!! No valid E1HOV for func %d,"
7465 " aborting\n", func);
7466 rc = -EPERM;
7467 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007468 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007469 }
7470
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007471 if (!BP_NOMCP(bp)) {
7472 bnx2x_get_port_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007473
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007474 bp->fw_seq = (SHMEM_RD(bp, func_mb[func].drv_mb_header) &
7475 DRV_MSG_SEQ_NUMBER_MASK);
7476 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
7477 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007478
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007479 if (IS_E1HMF(bp)) {
7480 val2 = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_upper);
7481 val = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_lower);
7482 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
7483 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) {
7484 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7485 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7486 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7487 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7488 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7489 bp->dev->dev_addr[5] = (u8)(val & 0xff);
7490 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr,
7491 ETH_ALEN);
7492 memcpy(bp->dev->perm_addr, bp->dev->dev_addr,
7493 ETH_ALEN);
7494 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007495
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007496 return rc;
7497 }
7498
7499 if (BP_NOMCP(bp)) {
7500 /* only supposed to happen on emulation/FPGA */
Eilon Greenstein33471622008-08-13 15:59:08 -07007501 BNX2X_ERR("warning random MAC workaround active\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007502 random_ether_addr(bp->dev->dev_addr);
7503 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7504 }
7505
7506 return rc;
7507}
7508
7509static int __devinit bnx2x_init_bp(struct bnx2x *bp)
7510{
7511 int func = BP_FUNC(bp);
7512 int rc;
7513
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007514 /* Disable interrupt handling until HW is initialized */
7515 atomic_set(&bp->intr_sem, 1);
7516
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007517 mutex_init(&bp->port.phy_mutex);
7518
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08007519 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007520 INIT_WORK(&bp->reset_task, bnx2x_reset_task);
7521
7522 rc = bnx2x_get_hwinfo(bp);
7523
7524 /* need to reset chip if undi was active */
7525 if (!BP_NOMCP(bp))
7526 bnx2x_undi_unload(bp);
7527
7528 if (CHIP_REV_IS_FPGA(bp))
7529 printk(KERN_ERR PFX "FPGA detected\n");
7530
7531 if (BP_NOMCP(bp) && (func == 0))
7532 printk(KERN_ERR PFX
7533 "MCP disabled, must load devices in order!\n");
7534
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07007535 /* Set TPA flags */
7536 if (disable_tpa) {
7537 bp->flags &= ~TPA_ENABLE_FLAG;
7538 bp->dev->features &= ~NETIF_F_LRO;
7539 } else {
7540 bp->flags |= TPA_ENABLE_FLAG;
7541 bp->dev->features |= NETIF_F_LRO;
7542 }
7543
7544
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007545 bp->tx_ring_size = MAX_TX_AVAIL;
7546 bp->rx_ring_size = MAX_RX_AVAIL;
7547
7548 bp->rx_csum = 1;
7549 bp->rx_offset = 0;
7550
7551 bp->tx_ticks = 50;
7552 bp->rx_ticks = 25;
7553
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007554 bp->timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
7555 bp->current_interval = (poll ? poll : bp->timer_interval);
7556
7557 init_timer(&bp->timer);
7558 bp->timer.expires = jiffies + bp->current_interval;
7559 bp->timer.data = (unsigned long) bp;
7560 bp->timer.function = bnx2x_timer;
7561
7562 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007563}
7564
7565/*
7566 * ethtool service functions
7567 */
7568
7569/* All ethtool functions called with rtnl_lock */
7570
7571static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7572{
7573 struct bnx2x *bp = netdev_priv(dev);
7574
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007575 cmd->supported = bp->port.supported;
7576 cmd->advertising = bp->port.advertising;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007577
7578 if (netif_carrier_ok(dev)) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007579 cmd->speed = bp->link_vars.line_speed;
7580 cmd->duplex = bp->link_vars.duplex;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007581 } else {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007582 cmd->speed = bp->link_params.req_line_speed;
7583 cmd->duplex = bp->link_params.req_duplex;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007584 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007585 if (IS_E1HMF(bp)) {
7586 u16 vn_max_rate;
7587
7588 vn_max_rate = ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >>
7589 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
7590 if (vn_max_rate < cmd->speed)
7591 cmd->speed = vn_max_rate;
7592 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007593
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007594 if (bp->link_params.switch_cfg == SWITCH_CFG_10G) {
7595 u32 ext_phy_type =
7596 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007597
7598 switch (ext_phy_type) {
7599 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7600 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7601 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7602 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007603 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007604 cmd->port = PORT_FIBRE;
7605 break;
7606
7607 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7608 cmd->port = PORT_TP;
7609 break;
7610
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007611 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7612 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7613 bp->link_params.ext_phy_config);
7614 break;
7615
Eliezer Tamirf1410642008-02-28 11:51:50 -08007616 default:
7617 DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007618 bp->link_params.ext_phy_config);
7619 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007620 }
7621 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007622 cmd->port = PORT_TP;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007623
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007624 cmd->phy_address = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007625 cmd->transceiver = XCVR_INTERNAL;
7626
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007627 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007628 cmd->autoneg = AUTONEG_ENABLE;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007629 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007630 cmd->autoneg = AUTONEG_DISABLE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007631
7632 cmd->maxtxpkt = 0;
7633 cmd->maxrxpkt = 0;
7634
7635 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7636 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7637 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7638 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7639 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7640 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7641 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7642
7643 return 0;
7644}
7645
7646static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7647{
7648 struct bnx2x *bp = netdev_priv(dev);
7649 u32 advertising;
7650
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007651 if (IS_E1HMF(bp))
7652 return 0;
7653
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007654 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7655 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7656 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7657 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7658 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7659 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7660 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7661
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007662 if (cmd->autoneg == AUTONEG_ENABLE) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007663 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
7664 DP(NETIF_MSG_LINK, "Autoneg not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007665 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007666 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007667
7668 /* advertise the requested speed and duplex if supported */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007669 cmd->advertising &= bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007670
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007671 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7672 bp->link_params.req_duplex = DUPLEX_FULL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007673 bp->port.advertising |= (ADVERTISED_Autoneg |
7674 cmd->advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007675
7676 } else { /* forced speed */
7677 /* advertise the requested speed and duplex if supported */
7678 switch (cmd->speed) {
7679 case SPEED_10:
7680 if (cmd->duplex == DUPLEX_FULL) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007681 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007682 SUPPORTED_10baseT_Full)) {
7683 DP(NETIF_MSG_LINK,
7684 "10M full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007685 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007686 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007687
7688 advertising = (ADVERTISED_10baseT_Full |
7689 ADVERTISED_TP);
7690 } else {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007691 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007692 SUPPORTED_10baseT_Half)) {
7693 DP(NETIF_MSG_LINK,
7694 "10M half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007695 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007696 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007697
7698 advertising = (ADVERTISED_10baseT_Half |
7699 ADVERTISED_TP);
7700 }
7701 break;
7702
7703 case SPEED_100:
7704 if (cmd->duplex == DUPLEX_FULL) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007705 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007706 SUPPORTED_100baseT_Full)) {
7707 DP(NETIF_MSG_LINK,
7708 "100M full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007709 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007710 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007711
7712 advertising = (ADVERTISED_100baseT_Full |
7713 ADVERTISED_TP);
7714 } else {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007715 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007716 SUPPORTED_100baseT_Half)) {
7717 DP(NETIF_MSG_LINK,
7718 "100M half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007719 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007720 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007721
7722 advertising = (ADVERTISED_100baseT_Half |
7723 ADVERTISED_TP);
7724 }
7725 break;
7726
7727 case SPEED_1000:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007728 if (cmd->duplex != DUPLEX_FULL) {
7729 DP(NETIF_MSG_LINK, "1G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007730 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007731 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007732
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007733 if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007734 DP(NETIF_MSG_LINK, "1G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007735 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007736 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007737
7738 advertising = (ADVERTISED_1000baseT_Full |
7739 ADVERTISED_TP);
7740 break;
7741
7742 case SPEED_2500:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007743 if (cmd->duplex != DUPLEX_FULL) {
7744 DP(NETIF_MSG_LINK,
7745 "2.5G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007746 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007747 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007748
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007749 if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007750 DP(NETIF_MSG_LINK,
7751 "2.5G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007752 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007753 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007754
Eliezer Tamirf1410642008-02-28 11:51:50 -08007755 advertising = (ADVERTISED_2500baseX_Full |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007756 ADVERTISED_TP);
7757 break;
7758
7759 case SPEED_10000:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007760 if (cmd->duplex != DUPLEX_FULL) {
7761 DP(NETIF_MSG_LINK, "10G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007762 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007763 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007764
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007765 if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007766 DP(NETIF_MSG_LINK, "10G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007767 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007768 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007769
7770 advertising = (ADVERTISED_10000baseT_Full |
7771 ADVERTISED_FIBRE);
7772 break;
7773
7774 default:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007775 DP(NETIF_MSG_LINK, "Unsupported speed\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007776 return -EINVAL;
7777 }
7778
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007779 bp->link_params.req_line_speed = cmd->speed;
7780 bp->link_params.req_duplex = cmd->duplex;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007781 bp->port.advertising = advertising;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007782 }
7783
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007784 DP(NETIF_MSG_LINK, "req_line_speed %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007785 DP_LEVEL " req_duplex %d advertising 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007786 bp->link_params.req_line_speed, bp->link_params.req_duplex,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007787 bp->port.advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007788
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007789 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07007790 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007791 bnx2x_link_set(bp);
7792 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007793
7794 return 0;
7795}
7796
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007797#define PHY_FW_VER_LEN 10
7798
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007799static void bnx2x_get_drvinfo(struct net_device *dev,
7800 struct ethtool_drvinfo *info)
7801{
7802 struct bnx2x *bp = netdev_priv(dev);
Eilon Greensteinf0e53a82008-08-13 15:58:30 -07007803 u8 phy_fw_ver[PHY_FW_VER_LEN];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007804
7805 strcpy(info->driver, DRV_MODULE_NAME);
7806 strcpy(info->version, DRV_MODULE_VERSION);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007807
7808 phy_fw_ver[0] = '\0';
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007809 if (bp->port.pmf) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007810 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007811 bnx2x_get_ext_phy_fw_version(&bp->link_params,
7812 (bp->state != BNX2X_STATE_CLOSED),
7813 phy_fw_ver, PHY_FW_VER_LEN);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007814 bnx2x_release_phy_lock(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007815 }
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007816
Eilon Greensteinf0e53a82008-08-13 15:58:30 -07007817 snprintf(info->fw_version, 32, "BC:%d.%d.%d%s%s",
7818 (bp->common.bc_ver & 0xff0000) >> 16,
7819 (bp->common.bc_ver & 0xff00) >> 8,
7820 (bp->common.bc_ver & 0xff),
7821 ((phy_fw_ver[0] != '\0') ? " PHY:" : ""), phy_fw_ver);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007822 strcpy(info->bus_info, pci_name(bp->pdev));
7823 info->n_stats = BNX2X_NUM_STATS;
7824 info->testinfo_len = BNX2X_NUM_TESTS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007825 info->eedump_len = bp->common.flash_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007826 info->regdump_len = 0;
7827}
7828
7829static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7830{
7831 struct bnx2x *bp = netdev_priv(dev);
7832
7833 if (bp->flags & NO_WOL_FLAG) {
7834 wol->supported = 0;
7835 wol->wolopts = 0;
7836 } else {
7837 wol->supported = WAKE_MAGIC;
7838 if (bp->wol)
7839 wol->wolopts = WAKE_MAGIC;
7840 else
7841 wol->wolopts = 0;
7842 }
7843 memset(&wol->sopass, 0, sizeof(wol->sopass));
7844}
7845
7846static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7847{
7848 struct bnx2x *bp = netdev_priv(dev);
7849
7850 if (wol->wolopts & ~WAKE_MAGIC)
7851 return -EINVAL;
7852
7853 if (wol->wolopts & WAKE_MAGIC) {
7854 if (bp->flags & NO_WOL_FLAG)
7855 return -EINVAL;
7856
7857 bp->wol = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007858 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007859 bp->wol = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007860
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007861 return 0;
7862}
7863
7864static u32 bnx2x_get_msglevel(struct net_device *dev)
7865{
7866 struct bnx2x *bp = netdev_priv(dev);
7867
7868 return bp->msglevel;
7869}
7870
7871static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
7872{
7873 struct bnx2x *bp = netdev_priv(dev);
7874
7875 if (capable(CAP_NET_ADMIN))
7876 bp->msglevel = level;
7877}
7878
7879static int bnx2x_nway_reset(struct net_device *dev)
7880{
7881 struct bnx2x *bp = netdev_priv(dev);
7882
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007883 if (!bp->port.pmf)
7884 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007885
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007886 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07007887 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007888 bnx2x_link_set(bp);
7889 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007890
7891 return 0;
7892}
7893
7894static int bnx2x_get_eeprom_len(struct net_device *dev)
7895{
7896 struct bnx2x *bp = netdev_priv(dev);
7897
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007898 return bp->common.flash_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007899}
7900
7901static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
7902{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007903 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007904 int count, i;
7905 u32 val = 0;
7906
7907 /* adjust timeout for emulation/FPGA */
7908 count = NVRAM_TIMEOUT_COUNT;
7909 if (CHIP_REV_IS_SLOW(bp))
7910 count *= 100;
7911
7912 /* request access to nvram interface */
7913 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7914 (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
7915
7916 for (i = 0; i < count*10; i++) {
7917 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7918 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
7919 break;
7920
7921 udelay(5);
7922 }
7923
7924 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007925 DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007926 return -EBUSY;
7927 }
7928
7929 return 0;
7930}
7931
7932static int bnx2x_release_nvram_lock(struct bnx2x *bp)
7933{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007934 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007935 int count, i;
7936 u32 val = 0;
7937
7938 /* adjust timeout for emulation/FPGA */
7939 count = NVRAM_TIMEOUT_COUNT;
7940 if (CHIP_REV_IS_SLOW(bp))
7941 count *= 100;
7942
7943 /* relinquish nvram interface */
7944 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7945 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
7946
7947 for (i = 0; i < count*10; i++) {
7948 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7949 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
7950 break;
7951
7952 udelay(5);
7953 }
7954
7955 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007956 DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007957 return -EBUSY;
7958 }
7959
7960 return 0;
7961}
7962
7963static void bnx2x_enable_nvram_access(struct bnx2x *bp)
7964{
7965 u32 val;
7966
7967 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7968
7969 /* enable both bits, even on read */
7970 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7971 (val | MCPR_NVM_ACCESS_ENABLE_EN |
7972 MCPR_NVM_ACCESS_ENABLE_WR_EN));
7973}
7974
7975static void bnx2x_disable_nvram_access(struct bnx2x *bp)
7976{
7977 u32 val;
7978
7979 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7980
7981 /* disable both bits, even after read */
7982 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7983 (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
7984 MCPR_NVM_ACCESS_ENABLE_WR_EN)));
7985}
7986
7987static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val,
7988 u32 cmd_flags)
7989{
Eliezer Tamirf1410642008-02-28 11:51:50 -08007990 int count, i, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007991 u32 val;
7992
7993 /* build the command word */
7994 cmd_flags |= MCPR_NVM_COMMAND_DOIT;
7995
7996 /* need to clear DONE bit separately */
7997 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
7998
7999 /* address of the NVRAM to read from */
8000 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
8001 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
8002
8003 /* issue a read command */
8004 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
8005
8006 /* adjust timeout for emulation/FPGA */
8007 count = NVRAM_TIMEOUT_COUNT;
8008 if (CHIP_REV_IS_SLOW(bp))
8009 count *= 100;
8010
8011 /* wait for completion */
8012 *ret_val = 0;
8013 rc = -EBUSY;
8014 for (i = 0; i < count; i++) {
8015 udelay(5);
8016 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8017
8018 if (val & MCPR_NVM_COMMAND_DONE) {
8019 val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008020 /* we read nvram data in cpu order
8021 * but ethtool sees it as an array of bytes
8022 * converting to big-endian will do the work */
8023 val = cpu_to_be32(val);
8024 *ret_val = val;
8025 rc = 0;
8026 break;
8027 }
8028 }
8029
8030 return rc;
8031}
8032
8033static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
8034 int buf_size)
8035{
8036 int rc;
8037 u32 cmd_flags;
8038 u32 val;
8039
8040 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008041 DP(BNX2X_MSG_NVM,
Eliezer Tamirc14423f2008-02-28 11:49:42 -08008042 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008043 offset, buf_size);
8044 return -EINVAL;
8045 }
8046
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008047 if (offset + buf_size > bp->common.flash_size) {
8048 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008049 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008050 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008051 return -EINVAL;
8052 }
8053
8054 /* request access to nvram interface */
8055 rc = bnx2x_acquire_nvram_lock(bp);
8056 if (rc)
8057 return rc;
8058
8059 /* enable access to nvram interface */
8060 bnx2x_enable_nvram_access(bp);
8061
8062 /* read the first word(s) */
8063 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8064 while ((buf_size > sizeof(u32)) && (rc == 0)) {
8065 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8066 memcpy(ret_buf, &val, 4);
8067
8068 /* advance to the next dword */
8069 offset += sizeof(u32);
8070 ret_buf += sizeof(u32);
8071 buf_size -= sizeof(u32);
8072 cmd_flags = 0;
8073 }
8074
8075 if (rc == 0) {
8076 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8077 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8078 memcpy(ret_buf, &val, 4);
8079 }
8080
8081 /* disable access to nvram interface */
8082 bnx2x_disable_nvram_access(bp);
8083 bnx2x_release_nvram_lock(bp);
8084
8085 return rc;
8086}
8087
8088static int bnx2x_get_eeprom(struct net_device *dev,
8089 struct ethtool_eeprom *eeprom, u8 *eebuf)
8090{
8091 struct bnx2x *bp = netdev_priv(dev);
8092 int rc;
8093
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008094 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008095 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8096 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8097 eeprom->len, eeprom->len);
8098
8099 /* parameters already validated in ethtool_get_eeprom */
8100
8101 rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
8102
8103 return rc;
8104}
8105
8106static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
8107 u32 cmd_flags)
8108{
Eliezer Tamirf1410642008-02-28 11:51:50 -08008109 int count, i, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008110
8111 /* build the command word */
8112 cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
8113
8114 /* need to clear DONE bit separately */
8115 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
8116
8117 /* write the data */
8118 REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
8119
8120 /* address of the NVRAM to write to */
8121 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
8122 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
8123
8124 /* issue the write command */
8125 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
8126
8127 /* adjust timeout for emulation/FPGA */
8128 count = NVRAM_TIMEOUT_COUNT;
8129 if (CHIP_REV_IS_SLOW(bp))
8130 count *= 100;
8131
8132 /* wait for completion */
8133 rc = -EBUSY;
8134 for (i = 0; i < count; i++) {
8135 udelay(5);
8136 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8137 if (val & MCPR_NVM_COMMAND_DONE) {
8138 rc = 0;
8139 break;
8140 }
8141 }
8142
8143 return rc;
8144}
8145
Eliezer Tamirf1410642008-02-28 11:51:50 -08008146#define BYTE_OFFSET(offset) (8 * (offset & 0x03))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008147
8148static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
8149 int buf_size)
8150{
8151 int rc;
8152 u32 cmd_flags;
8153 u32 align_offset;
8154 u32 val;
8155
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008156 if (offset + buf_size > bp->common.flash_size) {
8157 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008158 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008159 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008160 return -EINVAL;
8161 }
8162
8163 /* request access to nvram interface */
8164 rc = bnx2x_acquire_nvram_lock(bp);
8165 if (rc)
8166 return rc;
8167
8168 /* enable access to nvram interface */
8169 bnx2x_enable_nvram_access(bp);
8170
8171 cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
8172 align_offset = (offset & ~0x03);
8173 rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
8174
8175 if (rc == 0) {
8176 val &= ~(0xff << BYTE_OFFSET(offset));
8177 val |= (*data_buf << BYTE_OFFSET(offset));
8178
8179 /* nvram data is returned as an array of bytes
8180 * convert it back to cpu order */
8181 val = be32_to_cpu(val);
8182
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008183 rc = bnx2x_nvram_write_dword(bp, align_offset, val,
8184 cmd_flags);
8185 }
8186
8187 /* disable access to nvram interface */
8188 bnx2x_disable_nvram_access(bp);
8189 bnx2x_release_nvram_lock(bp);
8190
8191 return rc;
8192}
8193
8194static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
8195 int buf_size)
8196{
8197 int rc;
8198 u32 cmd_flags;
8199 u32 val;
8200 u32 written_so_far;
8201
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008202 if (buf_size == 1) /* ethtool */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008203 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008204
8205 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008206 DP(BNX2X_MSG_NVM,
Eliezer Tamirc14423f2008-02-28 11:49:42 -08008207 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008208 offset, buf_size);
8209 return -EINVAL;
8210 }
8211
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008212 if (offset + buf_size > bp->common.flash_size) {
8213 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008214 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008215 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008216 return -EINVAL;
8217 }
8218
8219 /* request access to nvram interface */
8220 rc = bnx2x_acquire_nvram_lock(bp);
8221 if (rc)
8222 return rc;
8223
8224 /* enable access to nvram interface */
8225 bnx2x_enable_nvram_access(bp);
8226
8227 written_so_far = 0;
8228 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8229 while ((written_so_far < buf_size) && (rc == 0)) {
8230 if (written_so_far == (buf_size - sizeof(u32)))
8231 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8232 else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0)
8233 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8234 else if ((offset % NVRAM_PAGE_SIZE) == 0)
8235 cmd_flags |= MCPR_NVM_COMMAND_FIRST;
8236
8237 memcpy(&val, data_buf, 4);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008238
8239 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
8240
8241 /* advance to the next dword */
8242 offset += sizeof(u32);
8243 data_buf += sizeof(u32);
8244 written_so_far += sizeof(u32);
8245 cmd_flags = 0;
8246 }
8247
8248 /* disable access to nvram interface */
8249 bnx2x_disable_nvram_access(bp);
8250 bnx2x_release_nvram_lock(bp);
8251
8252 return rc;
8253}
8254
8255static int bnx2x_set_eeprom(struct net_device *dev,
8256 struct ethtool_eeprom *eeprom, u8 *eebuf)
8257{
8258 struct bnx2x *bp = netdev_priv(dev);
8259 int rc;
8260
Eilon Greenstein9f4c9582009-01-08 11:21:43 -08008261 if (!netif_running(dev))
8262 return -EAGAIN;
8263
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008264 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008265 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8266 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8267 eeprom->len, eeprom->len);
8268
8269 /* parameters already validated in ethtool_set_eeprom */
8270
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008271 /* If the magic number is PHY (0x00504859) upgrade the PHY FW */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008272 if (eeprom->magic == 0x00504859)
8273 if (bp->port.pmf) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008274
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008275 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008276 rc = bnx2x_flash_download(bp, BP_PORT(bp),
8277 bp->link_params.ext_phy_config,
8278 (bp->state != BNX2X_STATE_CLOSED),
8279 eebuf, eeprom->len);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008280 if ((bp->state == BNX2X_STATE_OPEN) ||
8281 (bp->state == BNX2X_STATE_DISABLED)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008282 rc |= bnx2x_link_reset(&bp->link_params,
8283 &bp->link_vars);
8284 rc |= bnx2x_phy_init(&bp->link_params,
8285 &bp->link_vars);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008286 }
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008287 bnx2x_release_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008288
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008289 } else /* Only the PMF can access the PHY */
8290 return -EINVAL;
8291 else
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008292 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008293
8294 return rc;
8295}
8296
8297static int bnx2x_get_coalesce(struct net_device *dev,
8298 struct ethtool_coalesce *coal)
8299{
8300 struct bnx2x *bp = netdev_priv(dev);
8301
8302 memset(coal, 0, sizeof(struct ethtool_coalesce));
8303
8304 coal->rx_coalesce_usecs = bp->rx_ticks;
8305 coal->tx_coalesce_usecs = bp->tx_ticks;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008306
8307 return 0;
8308}
8309
8310static int bnx2x_set_coalesce(struct net_device *dev,
8311 struct ethtool_coalesce *coal)
8312{
8313 struct bnx2x *bp = netdev_priv(dev);
8314
8315 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
8316 if (bp->rx_ticks > 3000)
8317 bp->rx_ticks = 3000;
8318
8319 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
8320 if (bp->tx_ticks > 0x3000)
8321 bp->tx_ticks = 0x3000;
8322
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008323 if (netif_running(dev))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008324 bnx2x_update_coalesce(bp);
8325
8326 return 0;
8327}
8328
8329static void bnx2x_get_ringparam(struct net_device *dev,
8330 struct ethtool_ringparam *ering)
8331{
8332 struct bnx2x *bp = netdev_priv(dev);
8333
8334 ering->rx_max_pending = MAX_RX_AVAIL;
8335 ering->rx_mini_max_pending = 0;
8336 ering->rx_jumbo_max_pending = 0;
8337
8338 ering->rx_pending = bp->rx_ring_size;
8339 ering->rx_mini_pending = 0;
8340 ering->rx_jumbo_pending = 0;
8341
8342 ering->tx_max_pending = MAX_TX_AVAIL;
8343 ering->tx_pending = bp->tx_ring_size;
8344}
8345
8346static int bnx2x_set_ringparam(struct net_device *dev,
8347 struct ethtool_ringparam *ering)
8348{
8349 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008350 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008351
8352 if ((ering->rx_pending > MAX_RX_AVAIL) ||
8353 (ering->tx_pending > MAX_TX_AVAIL) ||
8354 (ering->tx_pending <= MAX_SKB_FRAGS + 4))
8355 return -EINVAL;
8356
8357 bp->rx_ring_size = ering->rx_pending;
8358 bp->tx_ring_size = ering->tx_pending;
8359
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008360 if (netif_running(dev)) {
8361 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8362 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008363 }
8364
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008365 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008366}
8367
8368static void bnx2x_get_pauseparam(struct net_device *dev,
8369 struct ethtool_pauseparam *epause)
8370{
8371 struct bnx2x *bp = netdev_priv(dev);
8372
David S. Millerc0700f92008-12-16 23:53:20 -08008373 epause->autoneg = (bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) &&
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008374 (bp->link_params.req_line_speed == SPEED_AUTO_NEG);
8375
David S. Millerc0700f92008-12-16 23:53:20 -08008376 epause->rx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_RX) ==
8377 BNX2X_FLOW_CTRL_RX);
8378 epause->tx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX) ==
8379 BNX2X_FLOW_CTRL_TX);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008380
8381 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8382 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8383 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8384}
8385
8386static int bnx2x_set_pauseparam(struct net_device *dev,
8387 struct ethtool_pauseparam *epause)
8388{
8389 struct bnx2x *bp = netdev_priv(dev);
8390
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008391 if (IS_E1HMF(bp))
8392 return 0;
8393
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008394 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8395 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8396 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8397
David S. Millerc0700f92008-12-16 23:53:20 -08008398 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008399
8400 if (epause->rx_pause)
David S. Millerc0700f92008-12-16 23:53:20 -08008401 bp->link_params.req_flow_ctrl |= BNX2X_FLOW_CTRL_RX;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008402
8403 if (epause->tx_pause)
David S. Millerc0700f92008-12-16 23:53:20 -08008404 bp->link_params.req_flow_ctrl |= BNX2X_FLOW_CTRL_TX;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008405
David S. Millerc0700f92008-12-16 23:53:20 -08008406 if (bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO)
8407 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008408
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008409 if (epause->autoneg) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008410 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07008411 DP(NETIF_MSG_LINK, "autoneg not supported\n");
Eliezer Tamirf1410642008-02-28 11:51:50 -08008412 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008413 }
8414
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008415 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
David S. Millerc0700f92008-12-16 23:53:20 -08008416 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008417 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008418
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008419 DP(NETIF_MSG_LINK,
8420 "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008421
8422 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008423 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008424 bnx2x_link_set(bp);
8425 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008426
8427 return 0;
8428}
8429
Vladislav Zolotarovdf0f2342008-08-13 15:53:38 -07008430static int bnx2x_set_flags(struct net_device *dev, u32 data)
8431{
8432 struct bnx2x *bp = netdev_priv(dev);
8433 int changed = 0;
8434 int rc = 0;
8435
8436 /* TPA requires Rx CSUM offloading */
8437 if ((data & ETH_FLAG_LRO) && bp->rx_csum) {
8438 if (!(dev->features & NETIF_F_LRO)) {
8439 dev->features |= NETIF_F_LRO;
8440 bp->flags |= TPA_ENABLE_FLAG;
8441 changed = 1;
8442 }
8443
8444 } else if (dev->features & NETIF_F_LRO) {
8445 dev->features &= ~NETIF_F_LRO;
8446 bp->flags &= ~TPA_ENABLE_FLAG;
8447 changed = 1;
8448 }
8449
8450 if (changed && netif_running(dev)) {
8451 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8452 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
8453 }
8454
8455 return rc;
8456}
8457
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008458static u32 bnx2x_get_rx_csum(struct net_device *dev)
8459{
8460 struct bnx2x *bp = netdev_priv(dev);
8461
8462 return bp->rx_csum;
8463}
8464
8465static int bnx2x_set_rx_csum(struct net_device *dev, u32 data)
8466{
8467 struct bnx2x *bp = netdev_priv(dev);
Vladislav Zolotarovdf0f2342008-08-13 15:53:38 -07008468 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008469
8470 bp->rx_csum = data;
Vladislav Zolotarovdf0f2342008-08-13 15:53:38 -07008471
8472 /* Disable TPA, when Rx CSUM is disabled. Otherwise all
8473 TPA'ed packets will be discarded due to wrong TCP CSUM */
8474 if (!data) {
8475 u32 flags = ethtool_op_get_flags(dev);
8476
8477 rc = bnx2x_set_flags(dev, (flags & ~ETH_FLAG_LRO));
8478 }
8479
8480 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008481}
8482
8483static int bnx2x_set_tso(struct net_device *dev, u32 data)
8484{
Eilon Greenstein755735eb2008-06-23 20:35:13 -07008485 if (data) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008486 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07008487 dev->features |= NETIF_F_TSO6;
8488 } else {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008489 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07008490 dev->features &= ~NETIF_F_TSO6;
8491 }
8492
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008493 return 0;
8494}
8495
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008496static const struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008497 char string[ETH_GSTRING_LEN];
8498} bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008499 { "register_test (offline)" },
8500 { "memory_test (offline)" },
8501 { "loopback_test (offline)" },
8502 { "nvram_test (online)" },
8503 { "interrupt_test (online)" },
8504 { "link_test (online)" },
8505 { "idle check (online)" },
8506 { "MC errors (online)" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008507};
8508
8509static int bnx2x_self_test_count(struct net_device *dev)
8510{
8511 return BNX2X_NUM_TESTS;
8512}
8513
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008514static int bnx2x_test_registers(struct bnx2x *bp)
8515{
8516 int idx, i, rc = -ENODEV;
8517 u32 wr_val = 0;
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008518 int port = BP_PORT(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008519 static const struct {
8520 u32 offset0;
8521 u32 offset1;
8522 u32 mask;
8523 } reg_tbl[] = {
8524/* 0 */ { BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff },
8525 { DORQ_REG_DB_ADDR0, 4, 0xffffffff },
8526 { HC_REG_AGG_INT_0, 4, 0x000003ff },
8527 { PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 },
8528 { PBF_REG_P0_INIT_CRD, 4, 0x000007ff },
8529 { PRS_REG_CID_PORT_0, 4, 0x00ffffff },
8530 { PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff },
8531 { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8532 { PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff },
8533 { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8534/* 10 */ { PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff },
8535 { QM_REG_CONNNUM_0, 4, 0x000fffff },
8536 { TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff },
8537 { SRC_REG_KEYRSS0_0, 40, 0xffffffff },
8538 { SRC_REG_KEYRSS0_7, 40, 0xffffffff },
8539 { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
8540 { XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 },
8541 { XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff },
8542 { NIG_REG_EGRESS_MNG0_FIFO, 20, 0xffffffff },
8543 { NIG_REG_LLH0_T_BIT, 4, 0x00000001 },
8544/* 20 */ { NIG_REG_EMAC0_IN_EN, 4, 0x00000001 },
8545 { NIG_REG_BMAC0_IN_EN, 4, 0x00000001 },
8546 { NIG_REG_XCM0_OUT_EN, 4, 0x00000001 },
8547 { NIG_REG_BRB0_OUT_EN, 4, 0x00000001 },
8548 { NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 },
8549 { NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff },
8550 { NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff },
8551 { NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff },
8552 { NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff },
8553 { NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 },
8554/* 30 */ { NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff },
8555 { NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff },
8556 { NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff },
8557 { NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 },
8558 { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 },
8559 { NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff },
8560 { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
8561 { NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f },
8562
8563 { 0xffffffff, 0, 0x00000000 }
8564 };
8565
8566 if (!netif_running(bp->dev))
8567 return rc;
8568
8569 /* Repeat the test twice:
8570 First by writing 0x00000000, second by writing 0xffffffff */
8571 for (idx = 0; idx < 2; idx++) {
8572
8573 switch (idx) {
8574 case 0:
8575 wr_val = 0;
8576 break;
8577 case 1:
8578 wr_val = 0xffffffff;
8579 break;
8580 }
8581
8582 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
8583 u32 offset, mask, save_val, val;
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008584
8585 offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
8586 mask = reg_tbl[i].mask;
8587
8588 save_val = REG_RD(bp, offset);
8589
8590 REG_WR(bp, offset, wr_val);
8591 val = REG_RD(bp, offset);
8592
8593 /* Restore the original register's value */
8594 REG_WR(bp, offset, save_val);
8595
8596 /* verify that value is as expected value */
8597 if ((val & mask) != (wr_val & mask))
8598 goto test_reg_exit;
8599 }
8600 }
8601
8602 rc = 0;
8603
8604test_reg_exit:
8605 return rc;
8606}
8607
8608static int bnx2x_test_memory(struct bnx2x *bp)
8609{
8610 int i, j, rc = -ENODEV;
8611 u32 val;
8612 static const struct {
8613 u32 offset;
8614 int size;
8615 } mem_tbl[] = {
8616 { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE },
8617 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
8618 { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE },
8619 { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE },
8620 { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE },
8621 { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE },
8622 { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE },
8623
8624 { 0xffffffff, 0 }
8625 };
8626 static const struct {
8627 char *name;
8628 u32 offset;
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008629 u32 e1_mask;
8630 u32 e1h_mask;
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008631 } prty_tbl[] = {
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008632 { "CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS, 0x3ffc0, 0 },
8633 { "CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS, 0x2, 0x2 },
8634 { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0, 0 },
8635 { "TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS, 0x3ffc0, 0 },
8636 { "UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS, 0x3ffc0, 0 },
8637 { "XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS, 0x3ffc1, 0 },
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008638
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008639 { NULL, 0xffffffff, 0, 0 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008640 };
8641
8642 if (!netif_running(bp->dev))
8643 return rc;
8644
8645 /* Go through all the memories */
8646 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
8647 for (j = 0; j < mem_tbl[i].size; j++)
8648 REG_RD(bp, mem_tbl[i].offset + j*4);
8649
8650 /* Check the parity status */
8651 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
8652 val = REG_RD(bp, prty_tbl[i].offset);
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008653 if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) ||
8654 (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask)))) {
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008655 DP(NETIF_MSG_HW,
8656 "%s is 0x%x\n", prty_tbl[i].name, val);
8657 goto test_mem_exit;
8658 }
8659 }
8660
8661 rc = 0;
8662
8663test_mem_exit:
8664 return rc;
8665}
8666
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008667static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up)
8668{
8669 int cnt = 1000;
8670
8671 if (link_up)
8672 while (bnx2x_link_test(bp) && cnt--)
8673 msleep(10);
8674}
8675
8676static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
8677{
8678 unsigned int pkt_size, num_pkts, i;
8679 struct sk_buff *skb;
8680 unsigned char *packet;
8681 struct bnx2x_fastpath *fp = &bp->fp[0];
8682 u16 tx_start_idx, tx_idx;
8683 u16 rx_start_idx, rx_idx;
8684 u16 pkt_prod;
8685 struct sw_tx_bd *tx_buf;
8686 struct eth_tx_bd *tx_bd;
8687 dma_addr_t mapping;
8688 union eth_rx_cqe *cqe;
8689 u8 cqe_fp_flags;
8690 struct sw_rx_bd *rx_buf;
8691 u16 len;
8692 int rc = -ENODEV;
8693
8694 if (loopback_mode == BNX2X_MAC_LOOPBACK) {
8695 bp->link_params.loopback_mode = LOOPBACK_BMAC;
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008696 bnx2x_acquire_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008697 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008698 bnx2x_release_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008699
8700 } else if (loopback_mode == BNX2X_PHY_LOOPBACK) {
8701 bp->link_params.loopback_mode = LOOPBACK_XGXS_10;
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008702 bnx2x_acquire_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008703 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008704 bnx2x_release_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008705 /* wait until link state is restored */
8706 bnx2x_wait_for_link(bp, link_up);
8707
8708 } else
8709 return -EINVAL;
8710
8711 pkt_size = 1514;
8712 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
8713 if (!skb) {
8714 rc = -ENOMEM;
8715 goto test_loopback_exit;
8716 }
8717 packet = skb_put(skb, pkt_size);
8718 memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
8719 memset(packet + ETH_ALEN, 0, (ETH_HLEN - ETH_ALEN));
8720 for (i = ETH_HLEN; i < pkt_size; i++)
8721 packet[i] = (unsigned char) (i & 0xff);
8722
8723 num_pkts = 0;
8724 tx_start_idx = le16_to_cpu(*fp->tx_cons_sb);
8725 rx_start_idx = le16_to_cpu(*fp->rx_cons_sb);
8726
8727 pkt_prod = fp->tx_pkt_prod++;
8728 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
8729 tx_buf->first_bd = fp->tx_bd_prod;
8730 tx_buf->skb = skb;
8731
8732 tx_bd = &fp->tx_desc_ring[TX_BD(fp->tx_bd_prod)];
8733 mapping = pci_map_single(bp->pdev, skb->data,
8734 skb_headlen(skb), PCI_DMA_TODEVICE);
8735 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
8736 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
8737 tx_bd->nbd = cpu_to_le16(1);
8738 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
8739 tx_bd->vlan = cpu_to_le16(pkt_prod);
8740 tx_bd->bd_flags.as_bitfield = (ETH_TX_BD_FLAGS_START_BD |
8741 ETH_TX_BD_FLAGS_END_BD);
8742 tx_bd->general_data = ((UNICAST_ADDRESS <<
8743 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT) | 1);
8744
Eilon Greenstein58f4c4c2009-01-14 21:23:36 -08008745 wmb();
8746
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008747 fp->hw_tx_prods->bds_prod =
8748 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + 1);
8749 mb(); /* FW restriction: must not reorder writing nbd and packets */
8750 fp->hw_tx_prods->packets_prod =
8751 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
8752 DOORBELL(bp, FP_IDX(fp), 0);
8753
8754 mmiowb();
8755
8756 num_pkts++;
8757 fp->tx_bd_prod++;
8758 bp->dev->trans_start = jiffies;
8759
8760 udelay(100);
8761
8762 tx_idx = le16_to_cpu(*fp->tx_cons_sb);
8763 if (tx_idx != tx_start_idx + num_pkts)
8764 goto test_loopback_exit;
8765
8766 rx_idx = le16_to_cpu(*fp->rx_cons_sb);
8767 if (rx_idx != rx_start_idx + num_pkts)
8768 goto test_loopback_exit;
8769
8770 cqe = &fp->rx_comp_ring[RCQ_BD(fp->rx_comp_cons)];
8771 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
8772 if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
8773 goto test_loopback_rx_exit;
8774
8775 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
8776 if (len != pkt_size)
8777 goto test_loopback_rx_exit;
8778
8779 rx_buf = &fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)];
8780 skb = rx_buf->skb;
8781 skb_reserve(skb, cqe->fast_path_cqe.placement_offset);
8782 for (i = ETH_HLEN; i < pkt_size; i++)
8783 if (*(skb->data + i) != (unsigned char) (i & 0xff))
8784 goto test_loopback_rx_exit;
8785
8786 rc = 0;
8787
8788test_loopback_rx_exit:
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008789
8790 fp->rx_bd_cons = NEXT_RX_IDX(fp->rx_bd_cons);
8791 fp->rx_bd_prod = NEXT_RX_IDX(fp->rx_bd_prod);
8792 fp->rx_comp_cons = NEXT_RCQ_IDX(fp->rx_comp_cons);
8793 fp->rx_comp_prod = NEXT_RCQ_IDX(fp->rx_comp_prod);
8794
8795 /* Update producers */
8796 bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod,
8797 fp->rx_sge_prod);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008798
8799test_loopback_exit:
8800 bp->link_params.loopback_mode = LOOPBACK_NONE;
8801
8802 return rc;
8803}
8804
8805static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up)
8806{
8807 int rc = 0;
8808
8809 if (!netif_running(bp->dev))
8810 return BNX2X_LOOPBACK_FAILED;
8811
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07008812 bnx2x_netif_stop(bp, 1);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008813
8814 if (bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up)) {
8815 DP(NETIF_MSG_PROBE, "MAC loopback failed\n");
8816 rc |= BNX2X_MAC_LOOPBACK_FAILED;
8817 }
8818
8819 if (bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up)) {
8820 DP(NETIF_MSG_PROBE, "PHY loopback failed\n");
8821 rc |= BNX2X_PHY_LOOPBACK_FAILED;
8822 }
8823
8824 bnx2x_netif_start(bp);
8825
8826 return rc;
8827}
8828
8829#define CRC32_RESIDUAL 0xdebb20e3
8830
8831static int bnx2x_test_nvram(struct bnx2x *bp)
8832{
8833 static const struct {
8834 int offset;
8835 int size;
8836 } nvram_tbl[] = {
8837 { 0, 0x14 }, /* bootstrap */
8838 { 0x14, 0xec }, /* dir */
8839 { 0x100, 0x350 }, /* manuf_info */
8840 { 0x450, 0xf0 }, /* feature_info */
8841 { 0x640, 0x64 }, /* upgrade_key_info */
8842 { 0x6a4, 0x64 },
8843 { 0x708, 0x70 }, /* manuf_key_info */
8844 { 0x778, 0x70 },
8845 { 0, 0 }
8846 };
8847 u32 buf[0x350 / 4];
8848 u8 *data = (u8 *)buf;
8849 int i, rc;
8850 u32 magic, csum;
8851
8852 rc = bnx2x_nvram_read(bp, 0, data, 4);
8853 if (rc) {
8854 DP(NETIF_MSG_PROBE, "magic value read (rc -%d)\n", -rc);
8855 goto test_nvram_exit;
8856 }
8857
8858 magic = be32_to_cpu(buf[0]);
8859 if (magic != 0x669955aa) {
8860 DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
8861 rc = -ENODEV;
8862 goto test_nvram_exit;
8863 }
8864
8865 for (i = 0; nvram_tbl[i].size; i++) {
8866
8867 rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
8868 nvram_tbl[i].size);
8869 if (rc) {
8870 DP(NETIF_MSG_PROBE,
8871 "nvram_tbl[%d] read data (rc -%d)\n", i, -rc);
8872 goto test_nvram_exit;
8873 }
8874
8875 csum = ether_crc_le(nvram_tbl[i].size, data);
8876 if (csum != CRC32_RESIDUAL) {
8877 DP(NETIF_MSG_PROBE,
8878 "nvram_tbl[%d] csum value (0x%08x)\n", i, csum);
8879 rc = -ENODEV;
8880 goto test_nvram_exit;
8881 }
8882 }
8883
8884test_nvram_exit:
8885 return rc;
8886}
8887
8888static int bnx2x_test_intr(struct bnx2x *bp)
8889{
8890 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
8891 int i, rc;
8892
8893 if (!netif_running(bp->dev))
8894 return -ENODEV;
8895
8896 config->hdr.length_6b = 0;
8897 config->hdr.offset = 0;
8898 config->hdr.client_id = BP_CL_ID(bp);
8899 config->hdr.reserved1 = 0;
8900
8901 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
8902 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
8903 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
8904 if (rc == 0) {
8905 bp->set_mac_pending++;
8906 for (i = 0; i < 10; i++) {
8907 if (!bp->set_mac_pending)
8908 break;
8909 msleep_interruptible(10);
8910 }
8911 if (i == 10)
8912 rc = -ENODEV;
8913 }
8914
8915 return rc;
8916}
8917
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008918static void bnx2x_self_test(struct net_device *dev,
8919 struct ethtool_test *etest, u64 *buf)
8920{
8921 struct bnx2x *bp = netdev_priv(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008922
8923 memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
8924
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008925 if (!netif_running(dev))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008926 return;
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008927
Eilon Greenstein33471622008-08-13 15:59:08 -07008928 /* offline tests are not supported in MF mode */
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008929 if (IS_E1HMF(bp))
8930 etest->flags &= ~ETH_TEST_FL_OFFLINE;
8931
8932 if (etest->flags & ETH_TEST_FL_OFFLINE) {
8933 u8 link_up;
8934
8935 link_up = bp->link_vars.link_up;
8936 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8937 bnx2x_nic_load(bp, LOAD_DIAG);
8938 /* wait until link state is restored */
8939 bnx2x_wait_for_link(bp, link_up);
8940
8941 if (bnx2x_test_registers(bp) != 0) {
8942 buf[0] = 1;
8943 etest->flags |= ETH_TEST_FL_FAILED;
8944 }
8945 if (bnx2x_test_memory(bp) != 0) {
8946 buf[1] = 1;
8947 etest->flags |= ETH_TEST_FL_FAILED;
8948 }
8949 buf[2] = bnx2x_test_loopback(bp, link_up);
8950 if (buf[2] != 0)
8951 etest->flags |= ETH_TEST_FL_FAILED;
8952
8953 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8954 bnx2x_nic_load(bp, LOAD_NORMAL);
8955 /* wait until link state is restored */
8956 bnx2x_wait_for_link(bp, link_up);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008957 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008958 if (bnx2x_test_nvram(bp) != 0) {
8959 buf[3] = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008960 etest->flags |= ETH_TEST_FL_FAILED;
8961 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008962 if (bnx2x_test_intr(bp) != 0) {
8963 buf[4] = 1;
8964 etest->flags |= ETH_TEST_FL_FAILED;
8965 }
8966 if (bp->port.pmf)
8967 if (bnx2x_link_test(bp) != 0) {
8968 buf[5] = 1;
8969 etest->flags |= ETH_TEST_FL_FAILED;
8970 }
8971 buf[7] = bnx2x_mc_assert(bp);
8972 if (buf[7] != 0)
8973 etest->flags |= ETH_TEST_FL_FAILED;
8974
8975#ifdef BNX2X_EXTRA_DEBUG
8976 bnx2x_panic_dump(bp);
8977#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008978}
8979
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008980static const struct {
8981 long offset;
8982 int size;
8983 u32 flags;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008984#define STATS_FLAGS_PORT 1
8985#define STATS_FLAGS_FUNC 2
8986 u8 string[ETH_GSTRING_LEN];
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008987} bnx2x_stats_arr[BNX2X_NUM_STATS] = {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008988/* 1 */ { STATS_OFFSET32(valid_bytes_received_hi),
8989 8, STATS_FLAGS_FUNC, "rx_bytes" },
8990 { STATS_OFFSET32(error_bytes_received_hi),
8991 8, STATS_FLAGS_FUNC, "rx_error_bytes" },
8992 { STATS_OFFSET32(total_bytes_transmitted_hi),
8993 8, STATS_FLAGS_FUNC, "tx_bytes" },
8994 { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
8995 8, STATS_FLAGS_PORT, "tx_error_bytes" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008996 { STATS_OFFSET32(total_unicast_packets_received_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008997 8, STATS_FLAGS_FUNC, "rx_ucast_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008998 { STATS_OFFSET32(total_multicast_packets_received_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008999 8, STATS_FLAGS_FUNC, "rx_mcast_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009000 { STATS_OFFSET32(total_broadcast_packets_received_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009001 8, STATS_FLAGS_FUNC, "rx_bcast_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009002 { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009003 8, STATS_FLAGS_FUNC, "tx_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009004 { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009005 8, STATS_FLAGS_PORT, "tx_mac_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009006/* 10 */{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009007 8, STATS_FLAGS_PORT, "tx_carrier_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009008 { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009009 8, STATS_FLAGS_PORT, "rx_crc_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009010 { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009011 8, STATS_FLAGS_PORT, "rx_align_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009012 { STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009013 8, STATS_FLAGS_PORT, "tx_single_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009014 { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009015 8, STATS_FLAGS_PORT, "tx_multi_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009016 { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009017 8, STATS_FLAGS_PORT, "tx_deferred" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009018 { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009019 8, STATS_FLAGS_PORT, "tx_excess_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009020 { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009021 8, STATS_FLAGS_PORT, "tx_late_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009022 { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009023 8, STATS_FLAGS_PORT, "tx_total_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009024 { STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009025 8, STATS_FLAGS_PORT, "rx_fragments" },
9026/* 20 */{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
9027 8, STATS_FLAGS_PORT, "rx_jabbers" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009028 { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009029 8, STATS_FLAGS_PORT, "rx_undersize_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009030 { STATS_OFFSET32(jabber_packets_received),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009031 4, STATS_FLAGS_FUNC, "rx_oversize_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009032 { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009033 8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009034 { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009035 8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009036 { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009037 8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009038 { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009039 8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009040 { STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009041 8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009042 { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009043 8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009044 { STATS_OFFSET32(etherstatspktsover1522octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009045 8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009046/* 30 */{ STATS_OFFSET32(rx_stat_xonpauseframesreceived_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009047 8, STATS_FLAGS_PORT, "rx_xon_frames" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009048 { STATS_OFFSET32(rx_stat_xoffpauseframesreceived_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009049 8, STATS_FLAGS_PORT, "rx_xoff_frames" },
9050 { STATS_OFFSET32(tx_stat_outxonsent_hi),
9051 8, STATS_FLAGS_PORT, "tx_xon_frames" },
9052 { STATS_OFFSET32(tx_stat_outxoffsent_hi),
9053 8, STATS_FLAGS_PORT, "tx_xoff_frames" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009054 { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009055 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
9056 { STATS_OFFSET32(mac_filter_discard),
9057 4, STATS_FLAGS_PORT, "rx_filtered_packets" },
9058 { STATS_OFFSET32(no_buff_discard),
9059 4, STATS_FLAGS_FUNC, "rx_discards" },
9060 { STATS_OFFSET32(xxoverflow_discard),
9061 4, STATS_FLAGS_PORT, "rx_fw_discards" },
9062 { STATS_OFFSET32(brb_drop_hi),
9063 8, STATS_FLAGS_PORT, "brb_discard" },
9064 { STATS_OFFSET32(brb_truncate_hi),
9065 8, STATS_FLAGS_PORT, "brb_truncate" },
9066/* 40 */{ STATS_OFFSET32(rx_err_discard_pkt),
9067 4, STATS_FLAGS_FUNC, "rx_phy_ip_err_discards"},
9068 { STATS_OFFSET32(rx_skb_alloc_failed),
9069 4, STATS_FLAGS_FUNC, "rx_skb_alloc_discard" },
9070/* 42 */{ STATS_OFFSET32(hw_csum_err),
9071 4, STATS_FLAGS_FUNC, "rx_csum_offload_errors" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009072};
9073
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009074#define IS_NOT_E1HMF_STAT(bp, i) \
9075 (IS_E1HMF(bp) && (bnx2x_stats_arr[i].flags & STATS_FLAGS_PORT))
9076
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009077static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
9078{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009079 struct bnx2x *bp = netdev_priv(dev);
9080 int i, j;
9081
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009082 switch (stringset) {
9083 case ETH_SS_STATS:
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009084 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009085 if (IS_NOT_E1HMF_STAT(bp, i))
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009086 continue;
9087 strcpy(buf + j*ETH_GSTRING_LEN,
9088 bnx2x_stats_arr[i].string);
9089 j++;
9090 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009091 break;
9092
9093 case ETH_SS_TEST:
9094 memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
9095 break;
9096 }
9097}
9098
9099static int bnx2x_get_stats_count(struct net_device *dev)
9100{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009101 struct bnx2x *bp = netdev_priv(dev);
9102 int i, num_stats = 0;
9103
9104 for (i = 0; i < BNX2X_NUM_STATS; i++) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009105 if (IS_NOT_E1HMF_STAT(bp, i))
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009106 continue;
9107 num_stats++;
9108 }
9109 return num_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009110}
9111
9112static void bnx2x_get_ethtool_stats(struct net_device *dev,
9113 struct ethtool_stats *stats, u64 *buf)
9114{
9115 struct bnx2x *bp = netdev_priv(dev);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009116 u32 *hw_stats = (u32 *)&bp->eth_stats;
9117 int i, j;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009118
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009119 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009120 if (IS_NOT_E1HMF_STAT(bp, i))
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009121 continue;
9122
9123 if (bnx2x_stats_arr[i].size == 0) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009124 /* skip this counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009125 buf[j] = 0;
9126 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009127 continue;
9128 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009129 if (bnx2x_stats_arr[i].size == 4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009130 /* 4-byte counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009131 buf[j] = (u64) *(hw_stats + bnx2x_stats_arr[i].offset);
9132 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009133 continue;
9134 }
9135 /* 8-byte counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009136 buf[j] = HILO_U64(*(hw_stats + bnx2x_stats_arr[i].offset),
9137 *(hw_stats + bnx2x_stats_arr[i].offset + 1));
9138 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009139 }
9140}
9141
9142static int bnx2x_phys_id(struct net_device *dev, u32 data)
9143{
9144 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009145 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009146 int i;
9147
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009148 if (!netif_running(dev))
9149 return 0;
9150
9151 if (!bp->port.pmf)
9152 return 0;
9153
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009154 if (data == 0)
9155 data = 2;
9156
9157 for (i = 0; i < (data * 2); i++) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009158 if ((i % 2) == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009159 bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009160 bp->link_params.hw_led_mode,
9161 bp->link_params.chip_id);
9162 else
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009163 bnx2x_set_led(bp, port, LED_MODE_OFF, 0,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009164 bp->link_params.hw_led_mode,
9165 bp->link_params.chip_id);
9166
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009167 msleep_interruptible(500);
9168 if (signal_pending(current))
9169 break;
9170 }
9171
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009172 if (bp->link_vars.link_up)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009173 bnx2x_set_led(bp, port, LED_MODE_OPER,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009174 bp->link_vars.line_speed,
9175 bp->link_params.hw_led_mode,
9176 bp->link_params.chip_id);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009177
9178 return 0;
9179}
9180
9181static struct ethtool_ops bnx2x_ethtool_ops = {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009182 .get_settings = bnx2x_get_settings,
9183 .set_settings = bnx2x_set_settings,
9184 .get_drvinfo = bnx2x_get_drvinfo,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009185 .get_wol = bnx2x_get_wol,
9186 .set_wol = bnx2x_set_wol,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009187 .get_msglevel = bnx2x_get_msglevel,
9188 .set_msglevel = bnx2x_set_msglevel,
9189 .nway_reset = bnx2x_nway_reset,
9190 .get_link = ethtool_op_get_link,
9191 .get_eeprom_len = bnx2x_get_eeprom_len,
9192 .get_eeprom = bnx2x_get_eeprom,
9193 .set_eeprom = bnx2x_set_eeprom,
9194 .get_coalesce = bnx2x_get_coalesce,
9195 .set_coalesce = bnx2x_set_coalesce,
9196 .get_ringparam = bnx2x_get_ringparam,
9197 .set_ringparam = bnx2x_set_ringparam,
9198 .get_pauseparam = bnx2x_get_pauseparam,
9199 .set_pauseparam = bnx2x_set_pauseparam,
9200 .get_rx_csum = bnx2x_get_rx_csum,
9201 .set_rx_csum = bnx2x_set_rx_csum,
9202 .get_tx_csum = ethtool_op_get_tx_csum,
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009203 .set_tx_csum = ethtool_op_set_tx_hw_csum,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009204 .set_flags = bnx2x_set_flags,
9205 .get_flags = ethtool_op_get_flags,
9206 .get_sg = ethtool_op_get_sg,
9207 .set_sg = ethtool_op_set_sg,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009208 .get_tso = ethtool_op_get_tso,
9209 .set_tso = bnx2x_set_tso,
9210 .self_test_count = bnx2x_self_test_count,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009211 .self_test = bnx2x_self_test,
9212 .get_strings = bnx2x_get_strings,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009213 .phys_id = bnx2x_phys_id,
9214 .get_stats_count = bnx2x_get_stats_count,
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009215 .get_ethtool_stats = bnx2x_get_ethtool_stats,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009216};
9217
9218/* end of ethtool_ops */
9219
9220/****************************************************************************
9221* General service functions
9222****************************************************************************/
9223
9224static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
9225{
9226 u16 pmcsr;
9227
9228 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
9229
9230 switch (state) {
9231 case PCI_D0:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009232 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009233 ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
9234 PCI_PM_CTRL_PME_STATUS));
9235
9236 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
Eilon Greenstein33471622008-08-13 15:59:08 -07009237 /* delay required during transition out of D3hot */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009238 msleep(20);
9239 break;
9240
9241 case PCI_D3hot:
9242 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
9243 pmcsr |= 3;
9244
9245 if (bp->wol)
9246 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
9247
9248 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
9249 pmcsr);
9250
9251 /* No more memory access after this point until
9252 * device is brought back to D0.
9253 */
9254 break;
9255
9256 default:
9257 return -EINVAL;
9258 }
9259 return 0;
9260}
9261
9262/*
9263 * net_device service functions
9264 */
9265
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009266static int bnx2x_poll(struct napi_struct *napi, int budget)
9267{
9268 struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath,
9269 napi);
9270 struct bnx2x *bp = fp->bp;
9271 int work_done = 0;
Eilon Greenstein2772f902008-08-25 15:19:17 -07009272 u16 rx_cons_sb;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009273
9274#ifdef BNX2X_STOP_ON_ERROR
9275 if (unlikely(bp->panic))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009276 goto poll_panic;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009277#endif
9278
9279 prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb);
9280 prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb);
9281 prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256);
9282
9283 bnx2x_update_fpsb_idx(fp);
9284
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009285 if (BNX2X_HAS_TX_WORK(fp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009286 bnx2x_tx_int(fp, budget);
9287
Eilon Greenstein2772f902008-08-25 15:19:17 -07009288 rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
9289 if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
9290 rx_cons_sb++;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009291 if (BNX2X_HAS_RX_WORK(fp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009292 work_done = bnx2x_rx_int(fp, budget);
9293
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009294 rmb(); /* BNX2X_HAS_WORK() reads the status block */
Eilon Greenstein2772f902008-08-25 15:19:17 -07009295 rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
9296 if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
9297 rx_cons_sb++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009298
9299 /* must not complete if we consumed full budget */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009300 if ((work_done < budget) && !BNX2X_HAS_WORK(fp)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009301
9302#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009303poll_panic:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009304#endif
Neil Horman908a7a12008-12-22 20:43:12 -08009305 netif_rx_complete(napi);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009306
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009307 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009308 le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009309 bnx2x_ack_sb(bp, FP_SB_ID(fp), CSTORM_ID,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009310 le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
9311 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009312 return work_done;
9313}
9314
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009315
9316/* we split the first BD into headers and data BDs
Eilon Greenstein33471622008-08-13 15:59:08 -07009317 * to ease the pain of our fellow microcode engineers
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009318 * we use one mapping for both BDs
9319 * So far this has only been observed to happen
9320 * in Other Operating Systems(TM)
9321 */
9322static noinline u16 bnx2x_tx_split(struct bnx2x *bp,
9323 struct bnx2x_fastpath *fp,
9324 struct eth_tx_bd **tx_bd, u16 hlen,
9325 u16 bd_prod, int nbd)
9326{
9327 struct eth_tx_bd *h_tx_bd = *tx_bd;
9328 struct eth_tx_bd *d_tx_bd;
9329 dma_addr_t mapping;
9330 int old_len = le16_to_cpu(h_tx_bd->nbytes);
9331
9332 /* first fix first BD */
9333 h_tx_bd->nbd = cpu_to_le16(nbd);
9334 h_tx_bd->nbytes = cpu_to_le16(hlen);
9335
9336 DP(NETIF_MSG_TX_QUEUED, "TSO split header size is %d "
9337 "(%x:%x) nbd %d\n", h_tx_bd->nbytes, h_tx_bd->addr_hi,
9338 h_tx_bd->addr_lo, h_tx_bd->nbd);
9339
9340 /* now get a new data BD
9341 * (after the pbd) and fill it */
9342 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9343 d_tx_bd = &fp->tx_desc_ring[bd_prod];
9344
9345 mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi),
9346 le32_to_cpu(h_tx_bd->addr_lo)) + hlen;
9347
9348 d_tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9349 d_tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9350 d_tx_bd->nbytes = cpu_to_le16(old_len - hlen);
9351 d_tx_bd->vlan = 0;
9352 /* this marks the BD as one that has no individual mapping
9353 * the FW ignores this flag in a BD not marked start
9354 */
9355 d_tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO;
9356 DP(NETIF_MSG_TX_QUEUED,
9357 "TSO split data size is %d (%x:%x)\n",
9358 d_tx_bd->nbytes, d_tx_bd->addr_hi, d_tx_bd->addr_lo);
9359
9360 /* update tx_bd for marking the last BD flag */
9361 *tx_bd = d_tx_bd;
9362
9363 return bd_prod;
9364}
9365
9366static inline u16 bnx2x_csum_fix(unsigned char *t_header, u16 csum, s8 fix)
9367{
9368 if (fix > 0)
9369 csum = (u16) ~csum_fold(csum_sub(csum,
9370 csum_partial(t_header - fix, fix, 0)));
9371
9372 else if (fix < 0)
9373 csum = (u16) ~csum_fold(csum_add(csum,
9374 csum_partial(t_header, -fix, 0)));
9375
9376 return swab16(csum);
9377}
9378
9379static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
9380{
9381 u32 rc;
9382
9383 if (skb->ip_summed != CHECKSUM_PARTIAL)
9384 rc = XMIT_PLAIN;
9385
9386 else {
9387 if (skb->protocol == ntohs(ETH_P_IPV6)) {
9388 rc = XMIT_CSUM_V6;
9389 if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
9390 rc |= XMIT_CSUM_TCP;
9391
9392 } else {
9393 rc = XMIT_CSUM_V4;
9394 if (ip_hdr(skb)->protocol == IPPROTO_TCP)
9395 rc |= XMIT_CSUM_TCP;
9396 }
9397 }
9398
9399 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4)
9400 rc |= XMIT_GSO_V4;
9401
9402 else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
9403 rc |= XMIT_GSO_V6;
9404
9405 return rc;
9406}
9407
9408/* check if packet requires linearization (packet is too fragmented) */
9409static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
9410 u32 xmit_type)
9411{
9412 int to_copy = 0;
9413 int hlen = 0;
9414 int first_bd_sz = 0;
9415
9416 /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
9417 if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) {
9418
9419 if (xmit_type & XMIT_GSO) {
9420 unsigned short lso_mss = skb_shinfo(skb)->gso_size;
9421 /* Check if LSO packet needs to be copied:
9422 3 = 1 (for headers BD) + 2 (for PBD and last BD) */
9423 int wnd_size = MAX_FETCH_BD - 3;
Eilon Greenstein33471622008-08-13 15:59:08 -07009424 /* Number of windows to check */
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009425 int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size;
9426 int wnd_idx = 0;
9427 int frag_idx = 0;
9428 u32 wnd_sum = 0;
9429
9430 /* Headers length */
9431 hlen = (int)(skb_transport_header(skb) - skb->data) +
9432 tcp_hdrlen(skb);
9433
9434 /* Amount of data (w/o headers) on linear part of SKB*/
9435 first_bd_sz = skb_headlen(skb) - hlen;
9436
9437 wnd_sum = first_bd_sz;
9438
9439 /* Calculate the first sum - it's special */
9440 for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++)
9441 wnd_sum +=
9442 skb_shinfo(skb)->frags[frag_idx].size;
9443
9444 /* If there was data on linear skb data - check it */
9445 if (first_bd_sz > 0) {
9446 if (unlikely(wnd_sum < lso_mss)) {
9447 to_copy = 1;
9448 goto exit_lbl;
9449 }
9450
9451 wnd_sum -= first_bd_sz;
9452 }
9453
9454 /* Others are easier: run through the frag list and
9455 check all windows */
9456 for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) {
9457 wnd_sum +=
9458 skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size;
9459
9460 if (unlikely(wnd_sum < lso_mss)) {
9461 to_copy = 1;
9462 break;
9463 }
9464 wnd_sum -=
9465 skb_shinfo(skb)->frags[wnd_idx].size;
9466 }
9467
9468 } else {
9469 /* in non-LSO too fragmented packet should always
9470 be linearized */
9471 to_copy = 1;
9472 }
9473 }
9474
9475exit_lbl:
9476 if (unlikely(to_copy))
9477 DP(NETIF_MSG_TX_QUEUED,
9478 "Linearization IS REQUIRED for %s packet. "
9479 "num_frags %d hlen %d first_bd_sz %d\n",
9480 (xmit_type & XMIT_GSO) ? "LSO" : "non-LSO",
9481 skb_shinfo(skb)->nr_frags, hlen, first_bd_sz);
9482
9483 return to_copy;
9484}
9485
9486/* called with netif_tx_lock
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009487 * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009488 * netif_wake_queue()
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009489 */
9490static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
9491{
9492 struct bnx2x *bp = netdev_priv(dev);
9493 struct bnx2x_fastpath *fp;
9494 struct sw_tx_bd *tx_buf;
9495 struct eth_tx_bd *tx_bd;
9496 struct eth_tx_parse_bd *pbd = NULL;
9497 u16 pkt_prod, bd_prod;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009498 int nbd, fp_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009499 dma_addr_t mapping;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009500 u32 xmit_type = bnx2x_xmit_type(bp, skb);
9501 int vlan_off = (bp->e1hov ? 4 : 0);
9502 int i;
9503 u8 hlen = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009504
9505#ifdef BNX2X_STOP_ON_ERROR
9506 if (unlikely(bp->panic))
9507 return NETDEV_TX_BUSY;
9508#endif
9509
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009510 fp_index = (smp_processor_id() % bp->num_queues);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009511 fp = &bp->fp[fp_index];
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009512
Yitchak Gertner231fd582008-08-25 15:27:06 -07009513 if (unlikely(bnx2x_tx_avail(fp) < (skb_shinfo(skb)->nr_frags + 3))) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009514 bp->eth_stats.driver_xoff++,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009515 netif_stop_queue(dev);
9516 BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
9517 return NETDEV_TX_BUSY;
9518 }
9519
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009520 DP(NETIF_MSG_TX_QUEUED, "SKB: summed %x protocol %x protocol(%x,%x)"
9521 " gso type %x xmit_type %x\n",
9522 skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr,
9523 ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type);
9524
Eilon Greenstein33471622008-08-13 15:59:08 -07009525 /* First, check if we need to linearize the skb
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009526 (due to FW restrictions) */
9527 if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) {
9528 /* Statistics of linearization */
9529 bp->lin_cnt++;
9530 if (skb_linearize(skb) != 0) {
9531 DP(NETIF_MSG_TX_QUEUED, "SKB linearization failed - "
9532 "silently dropping this SKB\n");
9533 dev_kfree_skb_any(skb);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009534 return NETDEV_TX_OK;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009535 }
9536 }
9537
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009538 /*
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009539 Please read carefully. First we use one BD which we mark as start,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009540 then for TSO or xsum we have a parsing info BD,
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009541 and only then we have the rest of the TSO BDs.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009542 (don't forget to mark the last one as last,
9543 and to unmap only AFTER you write to the BD ...)
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009544 And above all, all pdb sizes are in words - NOT DWORDS!
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009545 */
9546
9547 pkt_prod = fp->tx_pkt_prod++;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009548 bd_prod = TX_BD(fp->tx_bd_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009549
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009550 /* get a tx_buf and first BD */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009551 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
9552 tx_bd = &fp->tx_desc_ring[bd_prod];
9553
9554 tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
9555 tx_bd->general_data = (UNICAST_ADDRESS <<
9556 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT);
Eilon Greenstein3196a882008-08-13 15:58:49 -07009557 /* header nbd */
9558 tx_bd->general_data |= (1 << ETH_TX_BD_HDR_NBDS_SHIFT);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009559
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009560 /* remember the first BD of the packet */
9561 tx_buf->first_bd = fp->tx_bd_prod;
9562 tx_buf->skb = skb;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009563
9564 DP(NETIF_MSG_TX_QUEUED,
9565 "sending pkt %u @%p next_idx %u bd %u @%p\n",
9566 pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_bd);
9567
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009568 if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb)) {
9569 tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb));
9570 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009571 vlan_off += 4;
9572 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009573 tx_bd->vlan = cpu_to_le16(pkt_prod);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009574
9575 if (xmit_type) {
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009576 /* turn on parsing and get a BD */
9577 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9578 pbd = (void *)&fp->tx_desc_ring[bd_prod];
9579
9580 memset(pbd, 0, sizeof(struct eth_tx_parse_bd));
9581 }
9582
9583 if (xmit_type & XMIT_CSUM) {
9584 hlen = (skb_network_header(skb) - skb->data + vlan_off) / 2;
9585
9586 /* for now NS flag is not used in Linux */
9587 pbd->global_data = (hlen |
9588 ((skb->protocol == ntohs(ETH_P_8021Q)) <<
9589 ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT));
9590
9591 pbd->ip_hlen = (skb_transport_header(skb) -
9592 skb_network_header(skb)) / 2;
9593
9594 hlen += pbd->ip_hlen + tcp_hdrlen(skb) / 2;
9595
9596 pbd->total_hlen = cpu_to_le16(hlen);
9597 hlen = hlen*2 - vlan_off;
9598
9599 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM;
9600
9601 if (xmit_type & XMIT_CSUM_V4)
9602 tx_bd->bd_flags.as_bitfield |=
9603 ETH_TX_BD_FLAGS_IP_CSUM;
9604 else
9605 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IPV6;
9606
9607 if (xmit_type & XMIT_CSUM_TCP) {
9608 pbd->tcp_pseudo_csum = swab16(tcp_hdr(skb)->check);
9609
9610 } else {
9611 s8 fix = SKB_CS_OFF(skb); /* signed! */
9612
9613 pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG;
9614 pbd->cs_offset = fix / 2;
9615
9616 DP(NETIF_MSG_TX_QUEUED,
9617 "hlen %d offset %d fix %d csum before fix %x\n",
9618 le16_to_cpu(pbd->total_hlen), pbd->cs_offset, fix,
9619 SKB_CS(skb));
9620
9621 /* HW bug: fixup the CSUM */
9622 pbd->tcp_pseudo_csum =
9623 bnx2x_csum_fix(skb_transport_header(skb),
9624 SKB_CS(skb), fix);
9625
9626 DP(NETIF_MSG_TX_QUEUED, "csum after fix %x\n",
9627 pbd->tcp_pseudo_csum);
9628 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009629 }
9630
9631 mapping = pci_map_single(bp->pdev, skb->data,
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009632 skb_headlen(skb), PCI_DMA_TODEVICE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009633
9634 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9635 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
Eilon Greenstein6378c022008-08-13 15:59:25 -07009636 nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL) ? 1 : 2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009637 tx_bd->nbd = cpu_to_le16(nbd);
9638 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
9639
9640 DP(NETIF_MSG_TX_QUEUED, "first bd @%p addr (%x:%x) nbd %d"
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009641 " nbytes %d flags %x vlan %x\n",
9642 tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, le16_to_cpu(tx_bd->nbd),
9643 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield,
9644 le16_to_cpu(tx_bd->vlan));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009645
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009646 if (xmit_type & XMIT_GSO) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009647
9648 DP(NETIF_MSG_TX_QUEUED,
9649 "TSO packet len %d hlen %d total len %d tso size %d\n",
9650 skb->len, hlen, skb_headlen(skb),
9651 skb_shinfo(skb)->gso_size);
9652
9653 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO;
9654
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009655 if (unlikely(skb_headlen(skb) > hlen))
9656 bd_prod = bnx2x_tx_split(bp, fp, &tx_bd, hlen,
9657 bd_prod, ++nbd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009658
9659 pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
9660 pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009661 pbd->tcp_flags = pbd_tcp_flags(skb);
9662
9663 if (xmit_type & XMIT_GSO_V4) {
9664 pbd->ip_id = swab16(ip_hdr(skb)->id);
9665 pbd->tcp_pseudo_csum =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009666 swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr,
9667 ip_hdr(skb)->daddr,
9668 0, IPPROTO_TCP, 0));
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009669
9670 } else
9671 pbd->tcp_pseudo_csum =
9672 swab16(~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
9673 &ipv6_hdr(skb)->daddr,
9674 0, IPPROTO_TCP, 0));
9675
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009676 pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN;
9677 }
9678
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009679 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
9680 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009681
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009682 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9683 tx_bd = &fp->tx_desc_ring[bd_prod];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009684
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009685 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
9686 frag->size, PCI_DMA_TODEVICE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009687
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009688 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9689 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9690 tx_bd->nbytes = cpu_to_le16(frag->size);
9691 tx_bd->vlan = cpu_to_le16(pkt_prod);
9692 tx_bd->bd_flags.as_bitfield = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009693
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009694 DP(NETIF_MSG_TX_QUEUED,
9695 "frag %d bd @%p addr (%x:%x) nbytes %d flags %x\n",
9696 i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo,
9697 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009698 }
9699
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009700 /* now at last mark the BD as the last BD */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009701 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD;
9702
9703 DP(NETIF_MSG_TX_QUEUED, "last bd @%p flags %x\n",
9704 tx_bd, tx_bd->bd_flags.as_bitfield);
9705
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009706 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9707
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009708 /* now send a tx doorbell, counting the next BD
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009709 * if the packet contains or ends with it
9710 */
9711 if (TX_BD_POFF(bd_prod) < nbd)
9712 nbd++;
9713
9714 if (pbd)
9715 DP(NETIF_MSG_TX_QUEUED,
9716 "PBD @%p ip_data %x ip_hlen %u ip_id %u lso_mss %u"
9717 " tcp_flags %x xsum %x seq %u hlen %u\n",
9718 pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id,
9719 pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum,
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009720 pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009721
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009722 DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d bd %u\n", nbd, bd_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009723
Eilon Greenstein58f4c4c2009-01-14 21:23:36 -08009724 /*
9725 * Make sure that the BD data is updated before updating the producer
9726 * since FW might read the BD right after the producer is updated.
9727 * This is only applicable for weak-ordered memory model archs such
9728 * as IA-64. The following barrier is also mandatory since FW will
9729 * assumes packets must have BDs.
9730 */
9731 wmb();
9732
Eliezer Tamir96fc1782008-02-28 11:57:55 -08009733 fp->hw_tx_prods->bds_prod =
9734 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + nbd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009735 mb(); /* FW restriction: must not reorder writing nbd and packets */
Eliezer Tamir96fc1782008-02-28 11:57:55 -08009736 fp->hw_tx_prods->packets_prod =
9737 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009738 DOORBELL(bp, FP_IDX(fp), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009739
9740 mmiowb();
9741
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009742 fp->tx_bd_prod += nbd;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009743 dev->trans_start = jiffies;
9744
9745 if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
Eilon Greenstein58f4c4c2009-01-14 21:23:36 -08009746 /* We want bnx2x_tx_int to "see" the updated tx_bd_prod
9747 if we put Tx into XOFF state. */
9748 smp_mb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009749 netif_stop_queue(dev);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009750 bp->eth_stats.driver_xoff++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009751 if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
9752 netif_wake_queue(dev);
9753 }
9754 fp->tx_pkt++;
9755
9756 return NETDEV_TX_OK;
9757}
9758
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009759/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009760static int bnx2x_open(struct net_device *dev)
9761{
9762 struct bnx2x *bp = netdev_priv(dev);
9763
9764 bnx2x_set_power_state(bp, PCI_D0);
9765
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009766 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009767}
9768
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009769/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009770static int bnx2x_close(struct net_device *dev)
9771{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009772 struct bnx2x *bp = netdev_priv(dev);
9773
9774 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009775 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
9776 if (atomic_read(&bp->pdev->enable_cnt) == 1)
9777 if (!CHIP_REV_IS_SLOW(bp))
9778 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009779
9780 return 0;
9781}
9782
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009783/* called with netif_tx_lock from set_multicast */
9784static void bnx2x_set_rx_mode(struct net_device *dev)
9785{
9786 struct bnx2x *bp = netdev_priv(dev);
9787 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
9788 int port = BP_PORT(bp);
9789
9790 if (bp->state != BNX2X_STATE_OPEN) {
9791 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
9792 return;
9793 }
9794
9795 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
9796
9797 if (dev->flags & IFF_PROMISC)
9798 rx_mode = BNX2X_RX_MODE_PROMISC;
9799
9800 else if ((dev->flags & IFF_ALLMULTI) ||
9801 ((dev->mc_count > BNX2X_MAX_MULTICAST) && CHIP_IS_E1(bp)))
9802 rx_mode = BNX2X_RX_MODE_ALLMULTI;
9803
9804 else { /* some multicasts */
9805 if (CHIP_IS_E1(bp)) {
9806 int i, old, offset;
9807 struct dev_mc_list *mclist;
9808 struct mac_configuration_cmd *config =
9809 bnx2x_sp(bp, mcast_config);
9810
9811 for (i = 0, mclist = dev->mc_list;
9812 mclist && (i < dev->mc_count);
9813 i++, mclist = mclist->next) {
9814
9815 config->config_table[i].
9816 cam_entry.msb_mac_addr =
9817 swab16(*(u16 *)&mclist->dmi_addr[0]);
9818 config->config_table[i].
9819 cam_entry.middle_mac_addr =
9820 swab16(*(u16 *)&mclist->dmi_addr[2]);
9821 config->config_table[i].
9822 cam_entry.lsb_mac_addr =
9823 swab16(*(u16 *)&mclist->dmi_addr[4]);
9824 config->config_table[i].cam_entry.flags =
9825 cpu_to_le16(port);
9826 config->config_table[i].
9827 target_table_entry.flags = 0;
9828 config->config_table[i].
9829 target_table_entry.client_id = 0;
9830 config->config_table[i].
9831 target_table_entry.vlan_id = 0;
9832
9833 DP(NETIF_MSG_IFUP,
9834 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
9835 config->config_table[i].
9836 cam_entry.msb_mac_addr,
9837 config->config_table[i].
9838 cam_entry.middle_mac_addr,
9839 config->config_table[i].
9840 cam_entry.lsb_mac_addr);
9841 }
9842 old = config->hdr.length_6b;
9843 if (old > i) {
9844 for (; i < old; i++) {
9845 if (CAM_IS_INVALID(config->
9846 config_table[i])) {
9847 i--; /* already invalidated */
9848 break;
9849 }
9850 /* invalidate */
9851 CAM_INVALIDATE(config->
9852 config_table[i]);
9853 }
9854 }
9855
9856 if (CHIP_REV_IS_SLOW(bp))
9857 offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
9858 else
9859 offset = BNX2X_MAX_MULTICAST*(1 + port);
9860
9861 config->hdr.length_6b = i;
9862 config->hdr.offset = offset;
9863 config->hdr.client_id = BP_CL_ID(bp);
9864 config->hdr.reserved1 = 0;
9865
9866 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
9867 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
9868 U64_LO(bnx2x_sp_mapping(bp, mcast_config)),
9869 0);
9870 } else { /* E1H */
9871 /* Accept one or more multicasts */
9872 struct dev_mc_list *mclist;
9873 u32 mc_filter[MC_HASH_SIZE];
9874 u32 crc, bit, regidx;
9875 int i;
9876
9877 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
9878
9879 for (i = 0, mclist = dev->mc_list;
9880 mclist && (i < dev->mc_count);
9881 i++, mclist = mclist->next) {
9882
Johannes Berg7c510e42008-10-27 17:47:26 -07009883 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
9884 mclist->dmi_addr);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009885
9886 crc = crc32c_le(0, mclist->dmi_addr, ETH_ALEN);
9887 bit = (crc >> 24) & 0xff;
9888 regidx = bit >> 5;
9889 bit &= 0x1f;
9890 mc_filter[regidx] |= (1 << bit);
9891 }
9892
9893 for (i = 0; i < MC_HASH_SIZE; i++)
9894 REG_WR(bp, MC_HASH_OFFSET(bp, i),
9895 mc_filter[i]);
9896 }
9897 }
9898
9899 bp->rx_mode = rx_mode;
9900 bnx2x_set_storm_rx_mode(bp);
9901}
9902
9903/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009904static int bnx2x_change_mac_addr(struct net_device *dev, void *p)
9905{
9906 struct sockaddr *addr = p;
9907 struct bnx2x *bp = netdev_priv(dev);
9908
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009909 if (!is_valid_ether_addr((u8 *)(addr->sa_data)))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009910 return -EINVAL;
9911
9912 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009913 if (netif_running(dev)) {
9914 if (CHIP_IS_E1(bp))
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07009915 bnx2x_set_mac_addr_e1(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009916 else
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07009917 bnx2x_set_mac_addr_e1h(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009918 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009919
9920 return 0;
9921}
9922
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009923/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009924static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9925{
9926 struct mii_ioctl_data *data = if_mii(ifr);
9927 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein3196a882008-08-13 15:58:49 -07009928 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009929 int err;
9930
9931 switch (cmd) {
9932 case SIOCGMIIPHY:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009933 data->phy_id = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009934
Eliezer Tamirc14423f2008-02-28 11:49:42 -08009935 /* fallthrough */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009936
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009937 case SIOCGMIIREG: {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009938 u16 mii_regval;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009939
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009940 if (!netif_running(dev))
9941 return -EAGAIN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009942
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009943 mutex_lock(&bp->port.phy_mutex);
Eilon Greenstein3196a882008-08-13 15:58:49 -07009944 err = bnx2x_cl45_read(bp, port, 0, bp->port.phy_addr,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009945 DEFAULT_PHY_DEV_ADDR,
9946 (data->reg_num & 0x1f), &mii_regval);
9947 data->val_out = mii_regval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009948 mutex_unlock(&bp->port.phy_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009949 return err;
9950 }
9951
9952 case SIOCSMIIREG:
9953 if (!capable(CAP_NET_ADMIN))
9954 return -EPERM;
9955
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009956 if (!netif_running(dev))
9957 return -EAGAIN;
9958
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009959 mutex_lock(&bp->port.phy_mutex);
Eilon Greenstein3196a882008-08-13 15:58:49 -07009960 err = bnx2x_cl45_write(bp, port, 0, bp->port.phy_addr,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009961 DEFAULT_PHY_DEV_ADDR,
9962 (data->reg_num & 0x1f), data->val_in);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009963 mutex_unlock(&bp->port.phy_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009964 return err;
9965
9966 default:
9967 /* do nothing */
9968 break;
9969 }
9970
9971 return -EOPNOTSUPP;
9972}
9973
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009974/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009975static int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
9976{
9977 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009978 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009979
9980 if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) ||
9981 ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE))
9982 return -EINVAL;
9983
9984 /* This does not race with packet allocation
Eliezer Tamirc14423f2008-02-28 11:49:42 -08009985 * because the actual alloc size is
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009986 * only updated as part of load
9987 */
9988 dev->mtu = new_mtu;
9989
9990 if (netif_running(dev)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009991 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
9992 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009993 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009994
9995 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009996}
9997
9998static void bnx2x_tx_timeout(struct net_device *dev)
9999{
10000 struct bnx2x *bp = netdev_priv(dev);
10001
10002#ifdef BNX2X_STOP_ON_ERROR
10003 if (!bp->panic)
10004 bnx2x_panic();
10005#endif
10006 /* This allows the netif to be shutdown gracefully before resetting */
10007 schedule_work(&bp->reset_task);
10008}
10009
10010#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010011/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010012static void bnx2x_vlan_rx_register(struct net_device *dev,
10013 struct vlan_group *vlgrp)
10014{
10015 struct bnx2x *bp = netdev_priv(dev);
10016
10017 bp->vlgrp = vlgrp;
10018 if (netif_running(dev))
Eliezer Tamir49d66772008-02-28 11:53:13 -080010019 bnx2x_set_client_config(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010020}
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010021
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010022#endif
10023
10024#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
10025static void poll_bnx2x(struct net_device *dev)
10026{
10027 struct bnx2x *bp = netdev_priv(dev);
10028
10029 disable_irq(bp->pdev->irq);
10030 bnx2x_interrupt(bp->pdev->irq, dev);
10031 enable_irq(bp->pdev->irq);
10032}
10033#endif
10034
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010035static const struct net_device_ops bnx2x_netdev_ops = {
10036 .ndo_open = bnx2x_open,
10037 .ndo_stop = bnx2x_close,
10038 .ndo_start_xmit = bnx2x_start_xmit,
10039 .ndo_set_multicast_list = bnx2x_set_rx_mode,
10040 .ndo_set_mac_address = bnx2x_change_mac_addr,
10041 .ndo_validate_addr = eth_validate_addr,
10042 .ndo_do_ioctl = bnx2x_ioctl,
10043 .ndo_change_mtu = bnx2x_change_mtu,
10044 .ndo_tx_timeout = bnx2x_tx_timeout,
10045#ifdef BCM_VLAN
10046 .ndo_vlan_rx_register = bnx2x_vlan_rx_register,
10047#endif
10048#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
10049 .ndo_poll_controller = poll_bnx2x,
10050#endif
10051};
10052
10053
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010054static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
10055 struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010056{
10057 struct bnx2x *bp;
10058 int rc;
10059
10060 SET_NETDEV_DEV(dev, &pdev->dev);
10061 bp = netdev_priv(dev);
10062
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010063 bp->dev = dev;
10064 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010065 bp->flags = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010066 bp->func = PCI_FUNC(pdev->devfn);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010067
10068 rc = pci_enable_device(pdev);
10069 if (rc) {
10070 printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n");
10071 goto err_out;
10072 }
10073
10074 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
10075 printk(KERN_ERR PFX "Cannot find PCI device base address,"
10076 " aborting\n");
10077 rc = -ENODEV;
10078 goto err_out_disable;
10079 }
10080
10081 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
10082 printk(KERN_ERR PFX "Cannot find second PCI device"
10083 " base address, aborting\n");
10084 rc = -ENODEV;
10085 goto err_out_disable;
10086 }
10087
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010088 if (atomic_read(&pdev->enable_cnt) == 1) {
10089 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
10090 if (rc) {
10091 printk(KERN_ERR PFX "Cannot obtain PCI resources,"
10092 " aborting\n");
10093 goto err_out_disable;
10094 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010095
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010096 pci_set_master(pdev);
10097 pci_save_state(pdev);
10098 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010099
10100 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
10101 if (bp->pm_cap == 0) {
10102 printk(KERN_ERR PFX "Cannot find power management"
10103 " capability, aborting\n");
10104 rc = -EIO;
10105 goto err_out_release;
10106 }
10107
10108 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
10109 if (bp->pcie_cap == 0) {
10110 printk(KERN_ERR PFX "Cannot find PCI Express capability,"
10111 " aborting\n");
10112 rc = -EIO;
10113 goto err_out_release;
10114 }
10115
10116 if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
10117 bp->flags |= USING_DAC_FLAG;
10118 if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
10119 printk(KERN_ERR PFX "pci_set_consistent_dma_mask"
10120 " failed, aborting\n");
10121 rc = -EIO;
10122 goto err_out_release;
10123 }
10124
10125 } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
10126 printk(KERN_ERR PFX "System does not support DMA,"
10127 " aborting\n");
10128 rc = -EIO;
10129 goto err_out_release;
10130 }
10131
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010132 dev->mem_start = pci_resource_start(pdev, 0);
10133 dev->base_addr = dev->mem_start;
10134 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010135
10136 dev->irq = pdev->irq;
10137
Arjan van de Ven275f1652008-10-20 21:42:39 -070010138 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010139 if (!bp->regview) {
10140 printk(KERN_ERR PFX "Cannot map register space, aborting\n");
10141 rc = -ENOMEM;
10142 goto err_out_release;
10143 }
10144
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010145 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
10146 min_t(u64, BNX2X_DB_SIZE,
10147 pci_resource_len(pdev, 2)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010148 if (!bp->doorbells) {
10149 printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n");
10150 rc = -ENOMEM;
10151 goto err_out_unmap;
10152 }
10153
10154 bnx2x_set_power_state(bp, PCI_D0);
10155
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010156 /* clean indirect addresses */
10157 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
10158 PCICFG_VENDOR_ID_OFFSET);
10159 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
10160 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
10161 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
10162 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010163
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010164 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010165
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010166 dev->netdev_ops = &bnx2x_netdev_ops;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010167 dev->ethtool_ops = &bnx2x_ethtool_ops;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010168 dev->features |= NETIF_F_SG;
10169 dev->features |= NETIF_F_HW_CSUM;
10170 if (bp->flags & USING_DAC_FLAG)
10171 dev->features |= NETIF_F_HIGHDMA;
10172#ifdef BCM_VLAN
10173 dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
10174#endif
10175 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735eb2008-06-23 20:35:13 -070010176 dev->features |= NETIF_F_TSO6;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010177
10178 return 0;
10179
10180err_out_unmap:
10181 if (bp->regview) {
10182 iounmap(bp->regview);
10183 bp->regview = NULL;
10184 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010185 if (bp->doorbells) {
10186 iounmap(bp->doorbells);
10187 bp->doorbells = NULL;
10188 }
10189
10190err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010191 if (atomic_read(&pdev->enable_cnt) == 1)
10192 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010193
10194err_out_disable:
10195 pci_disable_device(pdev);
10196 pci_set_drvdata(pdev, NULL);
10197
10198err_out:
10199 return rc;
10200}
10201
Eliezer Tamir25047952008-02-28 11:50:16 -080010202static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp)
10203{
10204 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10205
10206 val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
10207 return val;
10208}
10209
10210/* return value of 1=2.5GHz 2=5GHz */
10211static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp)
10212{
10213 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10214
10215 val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
10216 return val;
10217}
10218
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010219static int __devinit bnx2x_init_one(struct pci_dev *pdev,
10220 const struct pci_device_id *ent)
10221{
10222 static int version_printed;
10223 struct net_device *dev = NULL;
10224 struct bnx2x *bp;
Eliezer Tamir25047952008-02-28 11:50:16 -080010225 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010226
10227 if (version_printed++ == 0)
10228 printk(KERN_INFO "%s", version);
10229
10230 /* dev zeroed in init_etherdev */
10231 dev = alloc_etherdev(sizeof(*bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010232 if (!dev) {
10233 printk(KERN_ERR PFX "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010234 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010235 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010236
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010237 bp = netdev_priv(dev);
10238 bp->msglevel = debug;
10239
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010240 rc = bnx2x_init_dev(pdev, dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010241 if (rc < 0) {
10242 free_netdev(dev);
10243 return rc;
10244 }
10245
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010246 rc = register_netdev(dev);
10247 if (rc) {
Eliezer Tamirc14423f2008-02-28 11:49:42 -080010248 dev_err(&pdev->dev, "Cannot register net device\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010249 goto init_one_exit;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010250 }
10251
10252 pci_set_drvdata(pdev, dev);
10253
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010254 rc = bnx2x_init_bp(bp);
10255 if (rc) {
10256 unregister_netdev(dev);
10257 goto init_one_exit;
10258 }
10259
Eilon Greenstein12b56ea2008-11-03 16:46:40 -080010260 netif_carrier_off(dev);
10261
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010262 bp->common.name = board_info[ent->driver_data].name;
Eliezer Tamir25047952008-02-28 11:50:16 -080010263 printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx,"
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010264 " IRQ %d, ", dev->name, bp->common.name,
10265 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
Eliezer Tamir25047952008-02-28 11:50:16 -080010266 bnx2x_get_pcie_width(bp),
10267 (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz",
10268 dev->base_addr, bp->pdev->irq);
Johannes Berge1749612008-10-27 15:59:26 -070010269 printk(KERN_CONT "node addr %pM\n", dev->dev_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010270 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010271
10272init_one_exit:
10273 if (bp->regview)
10274 iounmap(bp->regview);
10275
10276 if (bp->doorbells)
10277 iounmap(bp->doorbells);
10278
10279 free_netdev(dev);
10280
10281 if (atomic_read(&pdev->enable_cnt) == 1)
10282 pci_release_regions(pdev);
10283
10284 pci_disable_device(pdev);
10285 pci_set_drvdata(pdev, NULL);
10286
10287 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010288}
10289
10290static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
10291{
10292 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010293 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010294
Eliezer Tamir228241e2008-02-28 11:56:57 -080010295 if (!dev) {
Eliezer Tamir228241e2008-02-28 11:56:57 -080010296 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10297 return;
10298 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010299 bp = netdev_priv(dev);
10300
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010301 unregister_netdev(dev);
10302
10303 if (bp->regview)
10304 iounmap(bp->regview);
10305
10306 if (bp->doorbells)
10307 iounmap(bp->doorbells);
10308
10309 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010310
10311 if (atomic_read(&pdev->enable_cnt) == 1)
10312 pci_release_regions(pdev);
10313
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010314 pci_disable_device(pdev);
10315 pci_set_drvdata(pdev, NULL);
10316}
10317
10318static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
10319{
10320 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010321 struct bnx2x *bp;
10322
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010323 if (!dev) {
10324 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10325 return -ENODEV;
10326 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010327 bp = netdev_priv(dev);
10328
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010329 rtnl_lock();
10330
10331 pci_save_state(pdev);
10332
10333 if (!netif_running(dev)) {
10334 rtnl_unlock();
10335 return 0;
10336 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010337
10338 netif_device_detach(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010339
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -070010340 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010341
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010342 bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
Eliezer Tamir228241e2008-02-28 11:56:57 -080010343
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010344 rtnl_unlock();
10345
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010346 return 0;
10347}
10348
10349static int bnx2x_resume(struct pci_dev *pdev)
10350{
10351 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010352 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010353 int rc;
10354
Eliezer Tamir228241e2008-02-28 11:56:57 -080010355 if (!dev) {
10356 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10357 return -ENODEV;
10358 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010359 bp = netdev_priv(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010360
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010361 rtnl_lock();
10362
Eliezer Tamir228241e2008-02-28 11:56:57 -080010363 pci_restore_state(pdev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010364
10365 if (!netif_running(dev)) {
10366 rtnl_unlock();
10367 return 0;
10368 }
10369
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010370 bnx2x_set_power_state(bp, PCI_D0);
10371 netif_device_attach(dev);
10372
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -070010373 rc = bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010374
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010375 rtnl_unlock();
10376
10377 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010378}
10379
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070010380static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
10381{
10382 int i;
10383
10384 bp->state = BNX2X_STATE_ERROR;
10385
10386 bp->rx_mode = BNX2X_RX_MODE_NONE;
10387
10388 bnx2x_netif_stop(bp, 0);
10389
10390 del_timer_sync(&bp->timer);
10391 bp->stats_state = STATS_STATE_DISABLED;
10392 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
10393
10394 /* Release IRQs */
10395 bnx2x_free_irq(bp);
10396
10397 if (CHIP_IS_E1(bp)) {
10398 struct mac_configuration_cmd *config =
10399 bnx2x_sp(bp, mcast_config);
10400
10401 for (i = 0; i < config->hdr.length_6b; i++)
10402 CAM_INVALIDATE(config->config_table[i]);
10403 }
10404
10405 /* Free SKBs, SGEs, TPA pool and driver internals */
10406 bnx2x_free_skbs(bp);
10407 for_each_queue(bp, i)
10408 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
10409 bnx2x_free_mem(bp);
10410
10411 bp->state = BNX2X_STATE_CLOSED;
10412
10413 netif_carrier_off(bp->dev);
10414
10415 return 0;
10416}
10417
10418static void bnx2x_eeh_recover(struct bnx2x *bp)
10419{
10420 u32 val;
10421
10422 mutex_init(&bp->port.phy_mutex);
10423
10424 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
10425 bp->link_params.shmem_base = bp->common.shmem_base;
10426 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
10427
10428 if (!bp->common.shmem_base ||
10429 (bp->common.shmem_base < 0xA0000) ||
10430 (bp->common.shmem_base >= 0xC0000)) {
10431 BNX2X_DEV_INFO("MCP not active\n");
10432 bp->flags |= NO_MCP_FLAG;
10433 return;
10434 }
10435
10436 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
10437 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
10438 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
10439 BNX2X_ERR("BAD MCP validity signature\n");
10440
10441 if (!BP_NOMCP(bp)) {
10442 bp->fw_seq = (SHMEM_RD(bp, func_mb[BP_FUNC(bp)].drv_mb_header)
10443 & DRV_MSG_SEQ_NUMBER_MASK);
10444 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
10445 }
10446}
10447
Wendy Xiong493adb12008-06-23 20:36:22 -070010448/**
10449 * bnx2x_io_error_detected - called when PCI error is detected
10450 * @pdev: Pointer to PCI device
10451 * @state: The current pci connection state
10452 *
10453 * This function is called after a PCI bus error affecting
10454 * this device has been detected.
10455 */
10456static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
10457 pci_channel_state_t state)
10458{
10459 struct net_device *dev = pci_get_drvdata(pdev);
10460 struct bnx2x *bp = netdev_priv(dev);
10461
10462 rtnl_lock();
10463
10464 netif_device_detach(dev);
10465
10466 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070010467 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -070010468
10469 pci_disable_device(pdev);
10470
10471 rtnl_unlock();
10472
10473 /* Request a slot reset */
10474 return PCI_ERS_RESULT_NEED_RESET;
10475}
10476
10477/**
10478 * bnx2x_io_slot_reset - called after the PCI bus has been reset
10479 * @pdev: Pointer to PCI device
10480 *
10481 * Restart the card from scratch, as if from a cold-boot.
10482 */
10483static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
10484{
10485 struct net_device *dev = pci_get_drvdata(pdev);
10486 struct bnx2x *bp = netdev_priv(dev);
10487
10488 rtnl_lock();
10489
10490 if (pci_enable_device(pdev)) {
10491 dev_err(&pdev->dev,
10492 "Cannot re-enable PCI device after reset\n");
10493 rtnl_unlock();
10494 return PCI_ERS_RESULT_DISCONNECT;
10495 }
10496
10497 pci_set_master(pdev);
10498 pci_restore_state(pdev);
10499
10500 if (netif_running(dev))
10501 bnx2x_set_power_state(bp, PCI_D0);
10502
10503 rtnl_unlock();
10504
10505 return PCI_ERS_RESULT_RECOVERED;
10506}
10507
10508/**
10509 * bnx2x_io_resume - called when traffic can start flowing again
10510 * @pdev: Pointer to PCI device
10511 *
10512 * This callback is called when the error recovery driver tells us that
10513 * its OK to resume normal operation.
10514 */
10515static void bnx2x_io_resume(struct pci_dev *pdev)
10516{
10517 struct net_device *dev = pci_get_drvdata(pdev);
10518 struct bnx2x *bp = netdev_priv(dev);
10519
10520 rtnl_lock();
10521
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070010522 bnx2x_eeh_recover(bp);
10523
Wendy Xiong493adb12008-06-23 20:36:22 -070010524 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070010525 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -070010526
10527 netif_device_attach(dev);
10528
10529 rtnl_unlock();
10530}
10531
10532static struct pci_error_handlers bnx2x_err_handler = {
10533 .error_detected = bnx2x_io_error_detected,
10534 .slot_reset = bnx2x_io_slot_reset,
10535 .resume = bnx2x_io_resume,
10536};
10537
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010538static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070010539 .name = DRV_MODULE_NAME,
10540 .id_table = bnx2x_pci_tbl,
10541 .probe = bnx2x_init_one,
10542 .remove = __devexit_p(bnx2x_remove_one),
10543 .suspend = bnx2x_suspend,
10544 .resume = bnx2x_resume,
10545 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010546};
10547
10548static int __init bnx2x_init(void)
10549{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080010550 bnx2x_wq = create_singlethread_workqueue("bnx2x");
10551 if (bnx2x_wq == NULL) {
10552 printk(KERN_ERR PFX "Cannot create workqueue\n");
10553 return -ENOMEM;
10554 }
10555
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010556 return pci_register_driver(&bnx2x_pci_driver);
10557}
10558
10559static void __exit bnx2x_cleanup(void)
10560{
10561 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080010562
10563 destroy_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010564}
10565
10566module_init(bnx2x_init);
10567module_exit(bnx2x_cleanup);
10568