blob: 9b1555820f520f9932b93245004734e201abb1e2 [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 Greenstein19680c42008-08-13 15:47:33 -07001973 if (bp->link_vars.link_up)
1974 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001975
Eilon Greenstein19680c42008-08-13 15:47:33 -07001976 bnx2x_calc_fc_adv(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001977
Eilon Greenstein19680c42008-08-13 15:47:33 -07001978 return rc;
1979 }
1980 BNX2X_ERR("Bootcode is missing -not initializing link\n");
1981 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001982}
1983
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001984static void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001985{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001986 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001987 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001988 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001989 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001990
Eilon Greenstein19680c42008-08-13 15:47:33 -07001991 bnx2x_calc_fc_adv(bp);
1992 } else
1993 BNX2X_ERR("Bootcode is missing -not setting link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001994}
1995
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001996static void bnx2x__link_reset(struct bnx2x *bp)
1997{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001998 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001999 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002000 bnx2x_link_reset(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002001 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07002002 } else
2003 BNX2X_ERR("Bootcode is missing -not resetting link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002004}
2005
2006static u8 bnx2x_link_test(struct bnx2x *bp)
2007{
2008 u8 rc;
2009
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002010 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002011 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002012 bnx2x_release_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002013
2014 return rc;
2015}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002016
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002017/* Calculates the sum of vn_min_rates.
2018 It's needed for further normalizing of the min_rates.
2019
2020 Returns:
2021 sum of vn_min_rates
2022 or
2023 0 - if all the min_rates are 0.
Eilon Greenstein33471622008-08-13 15:59:08 -07002024 In the later case fairness algorithm should be deactivated.
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002025 If not all min_rates are zero then those that are zeroes will
2026 be set to 1.
2027 */
2028static u32 bnx2x_calc_vn_wsum(struct bnx2x *bp)
2029{
2030 int i, port = BP_PORT(bp);
2031 u32 wsum = 0;
2032 int all_zero = 1;
2033
2034 for (i = 0; i < E1HVN_MAX; i++) {
2035 u32 vn_cfg =
2036 SHMEM_RD(bp, mf_cfg.func_mf_config[2*i + port].config);
2037 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2038 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2039 if (!(vn_cfg & FUNC_MF_CFG_FUNC_HIDE)) {
2040 /* If min rate is zero - set it to 1 */
2041 if (!vn_min_rate)
2042 vn_min_rate = DEF_MIN_RATE;
2043 else
2044 all_zero = 0;
2045
2046 wsum += vn_min_rate;
2047 }
2048 }
2049
2050 /* ... only if all min rates are zeros - disable FAIRNESS */
2051 if (all_zero)
2052 return 0;
2053
2054 return wsum;
2055}
2056
2057static void bnx2x_init_port_minmax(struct bnx2x *bp,
2058 int en_fness,
2059 u16 port_rate,
2060 struct cmng_struct_per_port *m_cmng_port)
2061{
2062 u32 r_param = port_rate / 8;
2063 int port = BP_PORT(bp);
2064 int i;
2065
2066 memset(m_cmng_port, 0, sizeof(struct cmng_struct_per_port));
2067
2068 /* Enable minmax only if we are in e1hmf mode */
2069 if (IS_E1HMF(bp)) {
2070 u32 fair_periodic_timeout_usec;
2071 u32 t_fair;
2072
2073 /* Enable rate shaping and fairness */
2074 m_cmng_port->flags.cmng_vn_enable = 1;
2075 m_cmng_port->flags.fairness_enable = en_fness ? 1 : 0;
2076 m_cmng_port->flags.rate_shaping_enable = 1;
2077
2078 if (!en_fness)
2079 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2080 " fairness will be disabled\n");
2081
2082 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
2083 m_cmng_port->rs_vars.rs_periodic_timeout =
2084 RS_PERIODIC_TIMEOUT_USEC / 4;
2085
2086 /* this is the threshold below which no timer arming will occur
2087 1.25 coefficient is for the threshold to be a little bigger
2088 than the real time, to compensate for timer in-accuracy */
2089 m_cmng_port->rs_vars.rs_threshold =
2090 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
2091
2092 /* resolution of fairness timer */
2093 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
2094 /* for 10G it is 1000usec. for 1G it is 10000usec. */
2095 t_fair = T_FAIR_COEF / port_rate;
2096
2097 /* this is the threshold below which we won't arm
2098 the timer anymore */
2099 m_cmng_port->fair_vars.fair_threshold = QM_ARB_BYTES;
2100
2101 /* we multiply by 1e3/8 to get bytes/msec.
2102 We don't want the credits to pass a credit
2103 of the T_FAIR*FAIR_MEM (algorithm resolution) */
2104 m_cmng_port->fair_vars.upper_bound =
2105 r_param * t_fair * FAIR_MEM;
2106 /* since each tick is 4 usec */
2107 m_cmng_port->fair_vars.fairness_timeout =
2108 fair_periodic_timeout_usec / 4;
2109
2110 } else {
2111 /* Disable rate shaping and fairness */
2112 m_cmng_port->flags.cmng_vn_enable = 0;
2113 m_cmng_port->flags.fairness_enable = 0;
2114 m_cmng_port->flags.rate_shaping_enable = 0;
2115
2116 DP(NETIF_MSG_IFUP,
2117 "Single function mode minmax will be disabled\n");
2118 }
2119
2120 /* Store it to internal memory */
2121 for (i = 0; i < sizeof(struct cmng_struct_per_port) / 4; i++)
2122 REG_WR(bp, BAR_XSTRORM_INTMEM +
2123 XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i * 4,
2124 ((u32 *)(m_cmng_port))[i]);
2125}
2126
2127static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func,
2128 u32 wsum, u16 port_rate,
2129 struct cmng_struct_per_port *m_cmng_port)
2130{
2131 struct rate_shaping_vars_per_vn m_rs_vn;
2132 struct fairness_vars_per_vn m_fair_vn;
2133 u32 vn_cfg = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
2134 u16 vn_min_rate, vn_max_rate;
2135 int i;
2136
2137 /* If function is hidden - set min and max to zeroes */
2138 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
2139 vn_min_rate = 0;
2140 vn_max_rate = 0;
2141
2142 } else {
2143 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2144 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2145 /* If FAIRNESS is enabled (not all min rates are zeroes) and
2146 if current min rate is zero - set it to 1.
Eilon Greenstein33471622008-08-13 15:59:08 -07002147 This is a requirement of the algorithm. */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002148 if ((vn_min_rate == 0) && wsum)
2149 vn_min_rate = DEF_MIN_RATE;
2150 vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
2151 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
2152 }
2153
2154 DP(NETIF_MSG_IFUP, "func %d: vn_min_rate=%d vn_max_rate=%d "
2155 "wsum=%d\n", func, vn_min_rate, vn_max_rate, wsum);
2156
2157 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
2158 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
2159
2160 /* global vn counter - maximal Mbps for this vn */
2161 m_rs_vn.vn_counter.rate = vn_max_rate;
2162
2163 /* quota - number of bytes transmitted in this period */
2164 m_rs_vn.vn_counter.quota =
2165 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2166
2167#ifdef BNX2X_PER_PROT_QOS
2168 /* per protocol counter */
2169 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++) {
2170 /* maximal Mbps for this protocol */
2171 m_rs_vn.protocol_counters[protocol].rate =
2172 protocol_max_rate[protocol];
2173 /* the quota in each timer period -
2174 number of bytes transmitted in this period */
2175 m_rs_vn.protocol_counters[protocol].quota =
2176 (u32)(rs_periodic_timeout_usec *
2177 ((double)m_rs_vn.
2178 protocol_counters[protocol].rate/8));
2179 }
2180#endif
2181
2182 if (wsum) {
2183 /* credit for each period of the fairness algorithm:
2184 number of bytes in T_FAIR (the vn share the port rate).
2185 wsum should not be larger than 10000, thus
2186 T_FAIR_COEF / (8 * wsum) will always be grater than zero */
2187 m_fair_vn.vn_credit_delta =
2188 max((u64)(vn_min_rate * (T_FAIR_COEF / (8 * wsum))),
2189 (u64)(m_cmng_port->fair_vars.fair_threshold * 2));
2190 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta=%d\n",
2191 m_fair_vn.vn_credit_delta);
2192 }
2193
2194#ifdef BNX2X_PER_PROT_QOS
2195 do {
2196 u32 protocolWeightSum = 0;
2197
2198 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++)
2199 protocolWeightSum +=
2200 drvInit.protocol_min_rate[protocol];
2201 /* per protocol counter -
2202 NOT NEEDED IF NO PER-PROTOCOL CONGESTION MANAGEMENT */
2203 if (protocolWeightSum > 0) {
2204 for (protocol = 0;
2205 protocol < NUM_OF_PROTOCOLS; protocol++)
2206 /* credit for each period of the
2207 fairness algorithm - number of bytes in
2208 T_FAIR (the protocol share the vn rate) */
2209 m_fair_vn.protocol_credit_delta[protocol] =
2210 (u32)((vn_min_rate / 8) * t_fair *
2211 protocol_min_rate / protocolWeightSum);
2212 }
2213 } while (0);
2214#endif
2215
2216 /* Store it to internal memory */
2217 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2218 REG_WR(bp, BAR_XSTRORM_INTMEM +
2219 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2220 ((u32 *)(&m_rs_vn))[i]);
2221
2222 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2223 REG_WR(bp, BAR_XSTRORM_INTMEM +
2224 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2225 ((u32 *)(&m_fair_vn))[i]);
2226}
2227
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002228/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002229static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002230{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002231 int vn;
2232
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002233 /* Make sure that we are synced with the current statistics */
2234 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2235
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002236 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002237 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002238 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002239
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002240 if (bp->link_vars.link_up) {
2241
2242 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2243 struct host_port_stats *pstats;
2244
2245 pstats = bnx2x_sp(bp, port_stats);
2246 /* reset old bmac stats */
2247 memset(&(pstats->mac_stx[0]), 0,
2248 sizeof(struct mac_stx));
2249 }
2250 if ((bp->state == BNX2X_STATE_OPEN) ||
2251 (bp->state == BNX2X_STATE_DISABLED))
2252 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2253 }
2254
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002255 /* indicate link status */
2256 bnx2x_link_report(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002257
2258 if (IS_E1HMF(bp)) {
2259 int func;
2260
2261 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2262 if (vn == BP_E1HVN(bp))
2263 continue;
2264
2265 func = ((vn << 1) | BP_PORT(bp));
2266
2267 /* Set the attention towards other drivers
2268 on the same port */
2269 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2270 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2271 }
2272 }
2273
2274 if (CHIP_IS_E1H(bp) && (bp->link_vars.line_speed > 0)) {
2275 struct cmng_struct_per_port m_cmng_port;
2276 u32 wsum;
2277 int port = BP_PORT(bp);
2278
2279 /* Init RATE SHAPING and FAIRNESS contexts */
2280 wsum = bnx2x_calc_vn_wsum(bp);
2281 bnx2x_init_port_minmax(bp, (int)wsum,
2282 bp->link_vars.line_speed,
2283 &m_cmng_port);
2284 if (IS_E1HMF(bp))
2285 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2286 bnx2x_init_vn_minmax(bp, 2*vn + port,
2287 wsum, bp->link_vars.line_speed,
2288 &m_cmng_port);
2289 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002290}
2291
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002292static void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002293{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002294 if (bp->state != BNX2X_STATE_OPEN)
2295 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002296
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002297 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2298
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002299 if (bp->link_vars.link_up)
2300 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2301 else
2302 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2303
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002304 /* indicate link status */
2305 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002306}
2307
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002308static void bnx2x_pmf_update(struct bnx2x *bp)
2309{
2310 int port = BP_PORT(bp);
2311 u32 val;
2312
2313 bp->port.pmf = 1;
2314 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2315
2316 /* enable nig attention */
2317 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
2318 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2319 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002320
2321 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002322}
2323
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002324/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002325
2326/* slow path */
2327
2328/*
2329 * General service functions
2330 */
2331
2332/* the slow path queue is odd since completions arrive on the fastpath ring */
2333static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
2334 u32 data_hi, u32 data_lo, int common)
2335{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002336 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002337
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002338 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
2339 "SPQE (%x:%x) command %d hw_cid %x data (%x:%x) left %x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002340 (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) +
2341 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
2342 HW_CID(bp, cid), data_hi, data_lo, bp->spq_left);
2343
2344#ifdef BNX2X_STOP_ON_ERROR
2345 if (unlikely(bp->panic))
2346 return -EIO;
2347#endif
2348
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002349 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002350
2351 if (!bp->spq_left) {
2352 BNX2X_ERR("BUG! SPQ ring full!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002353 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002354 bnx2x_panic();
2355 return -EBUSY;
2356 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08002357
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002358 /* CID needs port number to be encoded int it */
2359 bp->spq_prod_bd->hdr.conn_and_cmd_data =
2360 cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) |
2361 HW_CID(bp, cid)));
2362 bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE);
2363 if (common)
2364 bp->spq_prod_bd->hdr.type |=
2365 cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT));
2366
2367 bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi);
2368 bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo);
2369
2370 bp->spq_left--;
2371
2372 if (bp->spq_prod_bd == bp->spq_last_bd) {
2373 bp->spq_prod_bd = bp->spq;
2374 bp->spq_prod_idx = 0;
2375 DP(NETIF_MSG_TIMER, "end of spq\n");
2376
2377 } else {
2378 bp->spq_prod_bd++;
2379 bp->spq_prod_idx++;
2380 }
2381
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002382 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002383 bp->spq_prod_idx);
2384
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002385 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002386 return 0;
2387}
2388
2389/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002390static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002391{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002392 u32 i, j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002393 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002394
2395 might_sleep();
2396 i = 100;
2397 for (j = 0; j < i*10; j++) {
2398 val = (1UL << 31);
2399 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2400 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2401 if (val & (1L << 31))
2402 break;
2403
2404 msleep(5);
2405 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002406 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07002407 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002408 rc = -EBUSY;
2409 }
2410
2411 return rc;
2412}
2413
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002414/* release split MCP access lock register */
2415static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002416{
2417 u32 val = 0;
2418
2419 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2420}
2421
2422static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2423{
2424 struct host_def_status_block *def_sb = bp->def_status_blk;
2425 u16 rc = 0;
2426
2427 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002428 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2429 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
2430 rc |= 1;
2431 }
2432 if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) {
2433 bp->def_c_idx = def_sb->c_def_status_block.status_block_index;
2434 rc |= 2;
2435 }
2436 if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) {
2437 bp->def_u_idx = def_sb->u_def_status_block.status_block_index;
2438 rc |= 4;
2439 }
2440 if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) {
2441 bp->def_x_idx = def_sb->x_def_status_block.status_block_index;
2442 rc |= 8;
2443 }
2444 if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) {
2445 bp->def_t_idx = def_sb->t_def_status_block.status_block_index;
2446 rc |= 16;
2447 }
2448 return rc;
2449}
2450
2451/*
2452 * slow path service functions
2453 */
2454
2455static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2456{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002457 int port = BP_PORT(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07002458 u32 hc_addr = (HC_REG_COMMAND_REG + port*32 +
2459 COMMAND_REG_ATTN_BITS_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002460 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2461 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002462 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2463 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002464 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002465
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002466 if (bp->attn_state & asserted)
2467 BNX2X_ERR("IGU ERROR\n");
2468
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002469 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2470 aeu_mask = REG_RD(bp, aeu_addr);
2471
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002472 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002473 aeu_mask, asserted);
2474 aeu_mask &= ~(asserted & 0xff);
2475 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002476
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002477 REG_WR(bp, aeu_addr, aeu_mask);
2478 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002479
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002480 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002481 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002482 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002483
2484 if (asserted & ATTN_HARD_WIRED_MASK) {
2485 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002486
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002487 /* save nig interrupt mask */
2488 bp->nig_mask = REG_RD(bp, nig_int_mask_addr);
2489 REG_WR(bp, nig_int_mask_addr, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002490
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002491 bnx2x_link_attn(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002492
2493 /* handle unicore attn? */
2494 }
2495 if (asserted & ATTN_SW_TIMER_4_FUNC)
2496 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2497
2498 if (asserted & GPIO_2_FUNC)
2499 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2500
2501 if (asserted & GPIO_3_FUNC)
2502 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2503
2504 if (asserted & GPIO_4_FUNC)
2505 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2506
2507 if (port == 0) {
2508 if (asserted & ATTN_GENERAL_ATTN_1) {
2509 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2510 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2511 }
2512 if (asserted & ATTN_GENERAL_ATTN_2) {
2513 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2514 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2515 }
2516 if (asserted & ATTN_GENERAL_ATTN_3) {
2517 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2518 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2519 }
2520 } else {
2521 if (asserted & ATTN_GENERAL_ATTN_4) {
2522 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2523 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2524 }
2525 if (asserted & ATTN_GENERAL_ATTN_5) {
2526 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2527 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2528 }
2529 if (asserted & ATTN_GENERAL_ATTN_6) {
2530 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2531 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2532 }
2533 }
2534
2535 } /* if hardwired */
2536
Eilon Greenstein5c862842008-08-13 15:51:48 -07002537 DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2538 asserted, hc_addr);
2539 REG_WR(bp, hc_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002540
2541 /* now set back the mask */
2542 if (asserted & ATTN_NIG_FOR_FUNC)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002543 REG_WR(bp, nig_int_mask_addr, bp->nig_mask);
2544}
2545
2546static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2547{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002548 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002549 int reg_offset;
2550 u32 val;
2551
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002552 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2553 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002554
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002555 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002556
2557 val = REG_RD(bp, reg_offset);
2558 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2559 REG_WR(bp, reg_offset, val);
2560
2561 BNX2X_ERR("SPIO5 hw attention\n");
2562
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002563 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
Eilon Greenstein7add9052008-08-25 15:20:48 -07002564 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002565 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
2566 /* Fan failure attention */
2567
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002568 /* The PHY reset is controlled by GPIO 1 */
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002569 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002570 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
2571 /* Low power mode is controlled by GPIO 2 */
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002572 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002573 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002574 /* mark the failure */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002575 bp->link_params.ext_phy_config &=
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002576 ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002577 bp->link_params.ext_phy_config |=
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002578 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
2579 SHMEM_WR(bp,
2580 dev_info.port_hw_config[port].
2581 external_phy_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002582 bp->link_params.ext_phy_config);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002583 /* log the failure */
2584 printk(KERN_ERR PFX "Fan Failure on Network"
2585 " Controller %s has caused the driver to"
2586 " shutdown the card to prevent permanent"
2587 " damage. Please contact Dell Support for"
2588 " assistance\n", bp->dev->name);
2589 break;
2590
2591 default:
2592 break;
2593 }
2594 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002595
2596 if (attn & HW_INTERRUT_ASSERT_SET_0) {
2597
2598 val = REG_RD(bp, reg_offset);
2599 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
2600 REG_WR(bp, reg_offset, val);
2601
2602 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
2603 (attn & HW_INTERRUT_ASSERT_SET_0));
2604 bnx2x_panic();
2605 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002606}
2607
2608static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
2609{
2610 u32 val;
2611
2612 if (attn & BNX2X_DOORQ_ASSERT) {
2613
2614 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
2615 BNX2X_ERR("DB hw attention 0x%x\n", val);
2616 /* DORQ discard attention */
2617 if (val & 0x2)
2618 BNX2X_ERR("FATAL error from DORQ\n");
2619 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002620
2621 if (attn & HW_INTERRUT_ASSERT_SET_1) {
2622
2623 int port = BP_PORT(bp);
2624 int reg_offset;
2625
2626 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
2627 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
2628
2629 val = REG_RD(bp, reg_offset);
2630 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
2631 REG_WR(bp, reg_offset, val);
2632
2633 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
2634 (attn & HW_INTERRUT_ASSERT_SET_1));
2635 bnx2x_panic();
2636 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002637}
2638
2639static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
2640{
2641 u32 val;
2642
2643 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
2644
2645 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
2646 BNX2X_ERR("CFC hw attention 0x%x\n", val);
2647 /* CFC error attention */
2648 if (val & 0x2)
2649 BNX2X_ERR("FATAL error from CFC\n");
2650 }
2651
2652 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
2653
2654 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
2655 BNX2X_ERR("PXP hw attention 0x%x\n", val);
2656 /* RQ_USDMDP_FIFO_OVERFLOW */
2657 if (val & 0x18000)
2658 BNX2X_ERR("FATAL error from PXP\n");
2659 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002660
2661 if (attn & HW_INTERRUT_ASSERT_SET_2) {
2662
2663 int port = BP_PORT(bp);
2664 int reg_offset;
2665
2666 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
2667 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
2668
2669 val = REG_RD(bp, reg_offset);
2670 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
2671 REG_WR(bp, reg_offset, val);
2672
2673 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
2674 (attn & HW_INTERRUT_ASSERT_SET_2));
2675 bnx2x_panic();
2676 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002677}
2678
2679static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
2680{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002681 u32 val;
2682
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002683 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
2684
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002685 if (attn & BNX2X_PMF_LINK_ASSERT) {
2686 int func = BP_FUNC(bp);
2687
2688 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
2689 bnx2x__link_status_update(bp);
2690 if (SHMEM_RD(bp, func_mb[func].drv_status) &
2691 DRV_STATUS_PMF)
2692 bnx2x_pmf_update(bp);
2693
2694 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002695
2696 BNX2X_ERR("MC assert!\n");
2697 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
2698 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
2699 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
2700 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
2701 bnx2x_panic();
2702
2703 } else if (attn & BNX2X_MCP_ASSERT) {
2704
2705 BNX2X_ERR("MCP assert!\n");
2706 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002707 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002708
2709 } else
2710 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
2711 }
2712
2713 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002714 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
2715 if (attn & BNX2X_GRC_TIMEOUT) {
2716 val = CHIP_IS_E1H(bp) ?
2717 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN) : 0;
2718 BNX2X_ERR("GRC time-out 0x%08x\n", val);
2719 }
2720 if (attn & BNX2X_GRC_RSV) {
2721 val = CHIP_IS_E1H(bp) ?
2722 REG_RD(bp, MISC_REG_GRC_RSV_ATTN) : 0;
2723 BNX2X_ERR("GRC reserved 0x%08x\n", val);
2724 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002725 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002726 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002727}
2728
2729static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
2730{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002731 struct attn_route attn;
2732 struct attn_route group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002733 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002734 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002735 u32 reg_addr;
2736 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002737 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002738
2739 /* need to take HW lock because MCP or other port might also
2740 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002741 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002742
2743 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
2744 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
2745 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
2746 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002747 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x\n",
2748 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002749
2750 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
2751 if (deasserted & (1 << index)) {
2752 group_mask = bp->attn_group[index];
2753
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002754 DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x\n",
2755 index, group_mask.sig[0], group_mask.sig[1],
2756 group_mask.sig[2], group_mask.sig[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002757
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002758 bnx2x_attn_int_deasserted3(bp,
2759 attn.sig[3] & group_mask.sig[3]);
2760 bnx2x_attn_int_deasserted1(bp,
2761 attn.sig[1] & group_mask.sig[1]);
2762 bnx2x_attn_int_deasserted2(bp,
2763 attn.sig[2] & group_mask.sig[2]);
2764 bnx2x_attn_int_deasserted0(bp,
2765 attn.sig[0] & group_mask.sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002766
2767 if ((attn.sig[0] & group_mask.sig[0] &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002768 HW_PRTY_ASSERT_SET_0) ||
2769 (attn.sig[1] & group_mask.sig[1] &
2770 HW_PRTY_ASSERT_SET_1) ||
2771 (attn.sig[2] & group_mask.sig[2] &
2772 HW_PRTY_ASSERT_SET_2))
Eilon Greenstein6378c022008-08-13 15:59:25 -07002773 BNX2X_ERR("FATAL HW block parity attention\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002774 }
2775 }
2776
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002777 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002778
Eilon Greenstein5c862842008-08-13 15:51:48 -07002779 reg_addr = (HC_REG_COMMAND_REG + port*32 + COMMAND_REG_ATTN_BITS_CLR);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002780
2781 val = ~deasserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002782 DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2783 val, reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07002784 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002785
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002786 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002787 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002788
2789 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2790 MISC_REG_AEU_MASK_ATTN_FUNC_0;
2791
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002792 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2793 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002794
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002795 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
2796 aeu_mask, deasserted);
2797 aeu_mask |= (deasserted & 0xff);
2798 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
2799
2800 REG_WR(bp, reg_addr, aeu_mask);
2801 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002802
2803 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2804 bp->attn_state &= ~deasserted;
2805 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2806}
2807
2808static void bnx2x_attn_int(struct bnx2x *bp)
2809{
2810 /* read local copy of bits */
2811 u32 attn_bits = bp->def_status_blk->atten_status_block.attn_bits;
2812 u32 attn_ack = bp->def_status_blk->atten_status_block.attn_bits_ack;
2813 u32 attn_state = bp->attn_state;
2814
2815 /* look for changed bits */
2816 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
2817 u32 deasserted = ~attn_bits & attn_ack & attn_state;
2818
2819 DP(NETIF_MSG_HW,
2820 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
2821 attn_bits, attn_ack, asserted, deasserted);
2822
2823 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002824 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002825
2826 /* handle bits that were raised */
2827 if (asserted)
2828 bnx2x_attn_int_asserted(bp, asserted);
2829
2830 if (deasserted)
2831 bnx2x_attn_int_deasserted(bp, deasserted);
2832}
2833
2834static void bnx2x_sp_task(struct work_struct *work)
2835{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08002836 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002837 u16 status;
2838
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002839
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002840 /* Return here if interrupt is disabled */
2841 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07002842 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002843 return;
2844 }
2845
2846 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002847/* if (status == 0) */
2848/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002849
Eilon Greenstein3196a882008-08-13 15:58:49 -07002850 DP(NETIF_MSG_INTR, "got a slowpath interrupt (updated %x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002851
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002852 /* HW attentions */
2853 if (status & 0x1)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002854 bnx2x_attn_int(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002855
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002856 /* CStorm events: query_stats, port delete ramrod */
2857 if (status & 0x2)
2858 bp->stats_pending = 0;
2859
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002860 bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, bp->def_att_idx,
2861 IGU_INT_NOP, 1);
2862 bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx),
2863 IGU_INT_NOP, 1);
2864 bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx),
2865 IGU_INT_NOP, 1);
2866 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx),
2867 IGU_INT_NOP, 1);
2868 bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx),
2869 IGU_INT_ENABLE, 1);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002870
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002871}
2872
2873static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
2874{
2875 struct net_device *dev = dev_instance;
2876 struct bnx2x *bp = netdev_priv(dev);
2877
2878 /* Return here if interrupt is disabled */
2879 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07002880 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002881 return IRQ_HANDLED;
2882 }
2883
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002884 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, 0, IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002885
2886#ifdef BNX2X_STOP_ON_ERROR
2887 if (unlikely(bp->panic))
2888 return IRQ_HANDLED;
2889#endif
2890
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08002891 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002892
2893 return IRQ_HANDLED;
2894}
2895
2896/* end of slow path */
2897
2898/* Statistics */
2899
2900/****************************************************************************
2901* Macros
2902****************************************************************************/
2903
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002904/* sum[hi:lo] += add[hi:lo] */
2905#define ADD_64(s_hi, a_hi, s_lo, a_lo) \
2906 do { \
2907 s_lo += a_lo; \
2908 s_hi += a_hi + (s_lo < a_lo) ? 1 : 0; \
2909 } while (0)
2910
2911/* difference = minuend - subtrahend */
2912#define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
2913 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002914 if (m_lo < s_lo) { \
2915 /* underflow */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002916 d_hi = m_hi - s_hi; \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002917 if (d_hi > 0) { \
Eilon Greenstein6378c022008-08-13 15:59:25 -07002918 /* we can 'loan' 1 */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002919 d_hi--; \
2920 d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002921 } else { \
Eilon Greenstein6378c022008-08-13 15:59:25 -07002922 /* m_hi <= s_hi */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002923 d_hi = 0; \
2924 d_lo = 0; \
2925 } \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002926 } else { \
2927 /* m_lo >= s_lo */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002928 if (m_hi < s_hi) { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002929 d_hi = 0; \
2930 d_lo = 0; \
2931 } else { \
Eilon Greenstein6378c022008-08-13 15:59:25 -07002932 /* m_hi >= s_hi */ \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002933 d_hi = m_hi - s_hi; \
2934 d_lo = m_lo - s_lo; \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002935 } \
2936 } \
2937 } while (0)
2938
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002939#define UPDATE_STAT64(s, t) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002940 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002941 DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
2942 diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
2943 pstats->mac_stx[0].t##_hi = new->s##_hi; \
2944 pstats->mac_stx[0].t##_lo = new->s##_lo; \
2945 ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
2946 pstats->mac_stx[1].t##_lo, diff.lo); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002947 } while (0)
2948
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002949#define UPDATE_STAT64_NIG(s, t) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002950 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002951 DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
2952 diff.lo, new->s##_lo, old->s##_lo); \
2953 ADD_64(estats->t##_hi, diff.hi, \
2954 estats->t##_lo, diff.lo); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002955 } while (0)
2956
2957/* sum[hi:lo] += add */
2958#define ADD_EXTEND_64(s_hi, s_lo, a) \
2959 do { \
2960 s_lo += a; \
2961 s_hi += (s_lo < a) ? 1 : 0; \
2962 } while (0)
2963
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002964#define UPDATE_EXTEND_STAT(s) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002965 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002966 ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
2967 pstats->mac_stx[1].s##_lo, \
2968 new->s); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002969 } while (0)
2970
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002971#define UPDATE_EXTEND_TSTAT(s, t) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002972 do { \
2973 diff = le32_to_cpu(tclient->s) - old_tclient->s; \
2974 old_tclient->s = le32_to_cpu(tclient->s); \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002975 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
2976 } while (0)
2977
2978#define UPDATE_EXTEND_XSTAT(s, t) \
2979 do { \
2980 diff = le32_to_cpu(xclient->s) - old_xclient->s; \
2981 old_xclient->s = le32_to_cpu(xclient->s); \
2982 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002983 } while (0)
2984
2985/*
2986 * General service functions
2987 */
2988
2989static inline long bnx2x_hilo(u32 *hiref)
2990{
2991 u32 lo = *(hiref + 1);
2992#if (BITS_PER_LONG == 64)
2993 u32 hi = *hiref;
2994
2995 return HILO_U64(hi, lo);
2996#else
2997 return lo;
2998#endif
2999}
3000
3001/*
3002 * Init service functions
3003 */
3004
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003005static void bnx2x_storm_stats_post(struct bnx2x *bp)
3006{
3007 if (!bp->stats_pending) {
3008 struct eth_query_ramrod_data ramrod_data = {0};
3009 int rc;
3010
3011 ramrod_data.drv_counter = bp->stats_counter++;
3012 ramrod_data.collect_port_1b = bp->port.pmf ? 1 : 0;
3013 ramrod_data.ctr_id_vector = (1 << BP_CL_ID(bp));
3014
3015 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0,
3016 ((u32 *)&ramrod_data)[1],
3017 ((u32 *)&ramrod_data)[0], 0);
3018 if (rc == 0) {
3019 /* stats ramrod has it's own slot on the spq */
3020 bp->spq_left++;
3021 bp->stats_pending = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003022 }
3023 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003024}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003025
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003026static void bnx2x_stats_init(struct bnx2x *bp)
3027{
3028 int port = BP_PORT(bp);
3029
3030 bp->executer_idx = 0;
3031 bp->stats_counter = 0;
3032
3033 /* port stats */
3034 if (!BP_NOMCP(bp))
3035 bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
3036 else
3037 bp->port.port_stx = 0;
3038 DP(BNX2X_MSG_STATS, "port_stx 0x%x\n", bp->port.port_stx);
3039
3040 memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
3041 bp->port.old_nig_stats.brb_discard =
3042 REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003043 bp->port.old_nig_stats.brb_truncate =
3044 REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003045 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
3046 &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
3047 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
3048 &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
3049
3050 /* function stats */
3051 memset(&bp->dev->stats, 0, sizeof(struct net_device_stats));
3052 memset(&bp->old_tclient, 0, sizeof(struct tstorm_per_client_stats));
3053 memset(&bp->old_xclient, 0, sizeof(struct xstorm_per_client_stats));
3054 memset(&bp->eth_stats, 0, sizeof(struct bnx2x_eth_stats));
3055
3056 bp->stats_state = STATS_STATE_DISABLED;
3057 if (IS_E1HMF(bp) && bp->port.pmf && bp->port.port_stx)
3058 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
3059}
3060
3061static void bnx2x_hw_stats_post(struct bnx2x *bp)
3062{
3063 struct dmae_command *dmae = &bp->stats_dmae;
3064 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3065
3066 *stats_comp = DMAE_COMP_VAL;
3067
3068 /* loader */
3069 if (bp->executer_idx) {
3070 int loader_idx = PMF_DMAE_C(bp);
3071
3072 memset(dmae, 0, sizeof(struct dmae_command));
3073
3074 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3075 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3076 DMAE_CMD_DST_RESET |
3077#ifdef __BIG_ENDIAN
3078 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3079#else
3080 DMAE_CMD_ENDIANITY_DW_SWAP |
3081#endif
3082 (BP_PORT(bp) ? DMAE_CMD_PORT_1 :
3083 DMAE_CMD_PORT_0) |
3084 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3085 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
3086 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
3087 dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
3088 sizeof(struct dmae_command) *
3089 (loader_idx + 1)) >> 2;
3090 dmae->dst_addr_hi = 0;
3091 dmae->len = sizeof(struct dmae_command) >> 2;
3092 if (CHIP_IS_E1(bp))
3093 dmae->len--;
3094 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
3095 dmae->comp_addr_hi = 0;
3096 dmae->comp_val = 1;
3097
3098 *stats_comp = 0;
3099 bnx2x_post_dmae(bp, dmae, loader_idx);
3100
3101 } else if (bp->func_stx) {
3102 *stats_comp = 0;
3103 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
3104 }
3105}
3106
3107static int bnx2x_stats_comp(struct bnx2x *bp)
3108{
3109 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3110 int cnt = 10;
3111
3112 might_sleep();
3113 while (*stats_comp != DMAE_COMP_VAL) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003114 if (!cnt) {
3115 BNX2X_ERR("timeout waiting for stats finished\n");
3116 break;
3117 }
3118 cnt--;
Yitchak Gertner12469402008-08-13 15:52:08 -07003119 msleep(1);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003120 }
3121 return 1;
3122}
3123
3124/*
3125 * Statistics service functions
3126 */
3127
3128static void bnx2x_stats_pmf_update(struct bnx2x *bp)
3129{
3130 struct dmae_command *dmae;
3131 u32 opcode;
3132 int loader_idx = PMF_DMAE_C(bp);
3133 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3134
3135 /* sanity */
3136 if (!IS_E1HMF(bp) || !bp->port.pmf || !bp->port.port_stx) {
3137 BNX2X_ERR("BUG!\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003138 return;
3139 }
3140
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003141 bp->executer_idx = 0;
3142
3143 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3144 DMAE_CMD_C_ENABLE |
3145 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3146#ifdef __BIG_ENDIAN
3147 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3148#else
3149 DMAE_CMD_ENDIANITY_DW_SWAP |
3150#endif
3151 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3152 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3153
3154 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3155 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3156 dmae->src_addr_lo = bp->port.port_stx >> 2;
3157 dmae->src_addr_hi = 0;
3158 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3159 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3160 dmae->len = DMAE_LEN32_RD_MAX;
3161 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3162 dmae->comp_addr_hi = 0;
3163 dmae->comp_val = 1;
3164
3165 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3166 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3167 dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
3168 dmae->src_addr_hi = 0;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003169 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
3170 DMAE_LEN32_RD_MAX * 4);
3171 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
3172 DMAE_LEN32_RD_MAX * 4);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003173 dmae->len = (sizeof(struct host_port_stats) >> 2) - DMAE_LEN32_RD_MAX;
3174 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3175 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3176 dmae->comp_val = DMAE_COMP_VAL;
3177
3178 *stats_comp = 0;
3179 bnx2x_hw_stats_post(bp);
3180 bnx2x_stats_comp(bp);
3181}
3182
3183static void bnx2x_port_stats_init(struct bnx2x *bp)
3184{
3185 struct dmae_command *dmae;
3186 int port = BP_PORT(bp);
3187 int vn = BP_E1HVN(bp);
3188 u32 opcode;
3189 int loader_idx = PMF_DMAE_C(bp);
3190 u32 mac_addr;
3191 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3192
3193 /* sanity */
3194 if (!bp->link_vars.link_up || !bp->port.pmf) {
3195 BNX2X_ERR("BUG!\n");
3196 return;
3197 }
3198
3199 bp->executer_idx = 0;
3200
3201 /* MCP */
3202 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3203 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3204 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3205#ifdef __BIG_ENDIAN
3206 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3207#else
3208 DMAE_CMD_ENDIANITY_DW_SWAP |
3209#endif
3210 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3211 (vn << DMAE_CMD_E1HVN_SHIFT));
3212
3213 if (bp->port.port_stx) {
3214
3215 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3216 dmae->opcode = opcode;
3217 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3218 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3219 dmae->dst_addr_lo = bp->port.port_stx >> 2;
3220 dmae->dst_addr_hi = 0;
3221 dmae->len = sizeof(struct host_port_stats) >> 2;
3222 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3223 dmae->comp_addr_hi = 0;
3224 dmae->comp_val = 1;
3225 }
3226
3227 if (bp->func_stx) {
3228
3229 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3230 dmae->opcode = opcode;
3231 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3232 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3233 dmae->dst_addr_lo = bp->func_stx >> 2;
3234 dmae->dst_addr_hi = 0;
3235 dmae->len = sizeof(struct host_func_stats) >> 2;
3236 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3237 dmae->comp_addr_hi = 0;
3238 dmae->comp_val = 1;
3239 }
3240
3241 /* MAC */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003242 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3243 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3244 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3245#ifdef __BIG_ENDIAN
3246 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3247#else
3248 DMAE_CMD_ENDIANITY_DW_SWAP |
3249#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003250 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3251 (vn << DMAE_CMD_E1HVN_SHIFT));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003252
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07003253 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003254
3255 mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
3256 NIG_REG_INGRESS_BMAC0_MEM);
3257
3258 /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
3259 BIGMAC_REGISTER_TX_STAT_GTBYT */
3260 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3261 dmae->opcode = opcode;
3262 dmae->src_addr_lo = (mac_addr +
3263 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3264 dmae->src_addr_hi = 0;
3265 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3266 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3267 dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
3268 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3269 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3270 dmae->comp_addr_hi = 0;
3271 dmae->comp_val = 1;
3272
3273 /* BIGMAC_REGISTER_RX_STAT_GR64 ..
3274 BIGMAC_REGISTER_RX_STAT_GRIPJ */
3275 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3276 dmae->opcode = opcode;
3277 dmae->src_addr_lo = (mac_addr +
3278 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3279 dmae->src_addr_hi = 0;
3280 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003281 offsetof(struct bmac_stats, rx_stat_gr64_lo));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003282 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003283 offsetof(struct bmac_stats, rx_stat_gr64_lo));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003284 dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
3285 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3286 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3287 dmae->comp_addr_hi = 0;
3288 dmae->comp_val = 1;
3289
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07003290 } else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003291
3292 mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
3293
3294 /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
3295 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3296 dmae->opcode = opcode;
3297 dmae->src_addr_lo = (mac_addr +
3298 EMAC_REG_EMAC_RX_STAT_AC) >> 2;
3299 dmae->src_addr_hi = 0;
3300 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3301 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3302 dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
3303 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3304 dmae->comp_addr_hi = 0;
3305 dmae->comp_val = 1;
3306
3307 /* EMAC_REG_EMAC_RX_STAT_AC_28 */
3308 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3309 dmae->opcode = opcode;
3310 dmae->src_addr_lo = (mac_addr +
3311 EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
3312 dmae->src_addr_hi = 0;
3313 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003314 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003315 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003316 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003317 dmae->len = 1;
3318 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3319 dmae->comp_addr_hi = 0;
3320 dmae->comp_val = 1;
3321
3322 /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
3323 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3324 dmae->opcode = opcode;
3325 dmae->src_addr_lo = (mac_addr +
3326 EMAC_REG_EMAC_TX_STAT_AC) >> 2;
3327 dmae->src_addr_hi = 0;
3328 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003329 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003330 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003331 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003332 dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
3333 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3334 dmae->comp_addr_hi = 0;
3335 dmae->comp_val = 1;
3336 }
3337
3338 /* NIG */
3339 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003340 dmae->opcode = opcode;
3341 dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
3342 NIG_REG_STAT0_BRB_DISCARD) >> 2;
3343 dmae->src_addr_hi = 0;
3344 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
3345 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
3346 dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
3347 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3348 dmae->comp_addr_hi = 0;
3349 dmae->comp_val = 1;
3350
3351 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3352 dmae->opcode = opcode;
3353 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
3354 NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
3355 dmae->src_addr_hi = 0;
3356 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3357 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3358 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3359 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3360 dmae->len = (2*sizeof(u32)) >> 2;
3361 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3362 dmae->comp_addr_hi = 0;
3363 dmae->comp_val = 1;
3364
3365 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003366 dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3367 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3368 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3369#ifdef __BIG_ENDIAN
3370 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3371#else
3372 DMAE_CMD_ENDIANITY_DW_SWAP |
3373#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003374 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3375 (vn << DMAE_CMD_E1HVN_SHIFT));
3376 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
3377 NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003378 dmae->src_addr_hi = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003379 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3380 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3381 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3382 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3383 dmae->len = (2*sizeof(u32)) >> 2;
3384 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3385 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3386 dmae->comp_val = DMAE_COMP_VAL;
3387
3388 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003389}
3390
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003391static void bnx2x_func_stats_init(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003392{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003393 struct dmae_command *dmae = &bp->stats_dmae;
3394 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003395
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003396 /* sanity */
3397 if (!bp->func_stx) {
3398 BNX2X_ERR("BUG!\n");
3399 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003400 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003401
3402 bp->executer_idx = 0;
3403 memset(dmae, 0, sizeof(struct dmae_command));
3404
3405 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3406 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3407 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3408#ifdef __BIG_ENDIAN
3409 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3410#else
3411 DMAE_CMD_ENDIANITY_DW_SWAP |
3412#endif
3413 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3414 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3415 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3416 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3417 dmae->dst_addr_lo = bp->func_stx >> 2;
3418 dmae->dst_addr_hi = 0;
3419 dmae->len = sizeof(struct host_func_stats) >> 2;
3420 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3421 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3422 dmae->comp_val = DMAE_COMP_VAL;
3423
3424 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003425}
3426
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003427static void bnx2x_stats_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003428{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003429 if (bp->port.pmf)
3430 bnx2x_port_stats_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003431
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003432 else if (bp->func_stx)
3433 bnx2x_func_stats_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003434
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003435 bnx2x_hw_stats_post(bp);
3436 bnx2x_storm_stats_post(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003437}
3438
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003439static void bnx2x_stats_pmf_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003440{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003441 bnx2x_stats_comp(bp);
3442 bnx2x_stats_pmf_update(bp);
3443 bnx2x_stats_start(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003444}
3445
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003446static void bnx2x_stats_restart(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003447{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003448 bnx2x_stats_comp(bp);
3449 bnx2x_stats_start(bp);
3450}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003451
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003452static void bnx2x_bmac_stats_update(struct bnx2x *bp)
3453{
3454 struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac_stats);
3455 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3456 struct regpair diff;
3457
3458 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
3459 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
3460 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
3461 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
3462 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
3463 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003464 UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003465 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
3466 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffpauseframesreceived);
3467 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
3468 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
3469 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
3470 UPDATE_STAT64(tx_stat_gt127,
3471 tx_stat_etherstatspkts65octetsto127octets);
3472 UPDATE_STAT64(tx_stat_gt255,
3473 tx_stat_etherstatspkts128octetsto255octets);
3474 UPDATE_STAT64(tx_stat_gt511,
3475 tx_stat_etherstatspkts256octetsto511octets);
3476 UPDATE_STAT64(tx_stat_gt1023,
3477 tx_stat_etherstatspkts512octetsto1023octets);
3478 UPDATE_STAT64(tx_stat_gt1518,
3479 tx_stat_etherstatspkts1024octetsto1522octets);
3480 UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047);
3481 UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095);
3482 UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216);
3483 UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383);
3484 UPDATE_STAT64(tx_stat_gterr,
3485 tx_stat_dot3statsinternalmactransmiterrors);
3486 UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl);
3487}
3488
3489static void bnx2x_emac_stats_update(struct bnx2x *bp)
3490{
3491 struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
3492 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3493
3494 UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
3495 UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
3496 UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
3497 UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
3498 UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
3499 UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
3500 UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
3501 UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
3502 UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
3503 UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
3504 UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
3505 UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
3506 UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
3507 UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
3508 UPDATE_EXTEND_STAT(tx_stat_outxonsent);
3509 UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
3510 UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
3511 UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
3512 UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
3513 UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
3514 UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
3515 UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
3516 UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
3517 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
3518 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
3519 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
3520 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
3521 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
3522 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
3523 UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
3524 UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
3525}
3526
3527static int bnx2x_hw_stats_update(struct bnx2x *bp)
3528{
3529 struct nig_stats *new = bnx2x_sp(bp, nig_stats);
3530 struct nig_stats *old = &(bp->port.old_nig_stats);
3531 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3532 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3533 struct regpair diff;
3534
3535 if (bp->link_vars.mac_type == MAC_TYPE_BMAC)
3536 bnx2x_bmac_stats_update(bp);
3537
3538 else if (bp->link_vars.mac_type == MAC_TYPE_EMAC)
3539 bnx2x_emac_stats_update(bp);
3540
3541 else { /* unreached */
3542 BNX2X_ERR("stats updated by dmae but no MAC active\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003543 return -1;
3544 }
3545
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003546 ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
3547 new->brb_discard - old->brb_discard);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003548 ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
3549 new->brb_truncate - old->brb_truncate);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003550
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003551 UPDATE_STAT64_NIG(egress_mac_pkt0,
3552 etherstatspkts1024octetsto1522octets);
3553 UPDATE_STAT64_NIG(egress_mac_pkt1, etherstatspktsover1522octets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003554
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003555 memcpy(old, new, sizeof(struct nig_stats));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003556
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003557 memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
3558 sizeof(struct mac_stx));
3559 estats->brb_drop_hi = pstats->brb_drop_hi;
3560 estats->brb_drop_lo = pstats->brb_drop_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003561
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003562 pstats->host_port_stats_start = ++pstats->host_port_stats_end;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003563
3564 return 0;
3565}
3566
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003567static int bnx2x_storm_stats_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003568{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003569 struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
3570 int cl_id = BP_CL_ID(bp);
3571 struct tstorm_per_port_stats *tport =
3572 &stats->tstorm_common.port_statistics;
3573 struct tstorm_per_client_stats *tclient =
3574 &stats->tstorm_common.client_statistics[cl_id];
3575 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3576 struct xstorm_per_client_stats *xclient =
3577 &stats->xstorm_common.client_statistics[cl_id];
3578 struct xstorm_per_client_stats *old_xclient = &bp->old_xclient;
3579 struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
3580 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3581 u32 diff;
3582
3583 /* are storm stats valid? */
3584 if ((u16)(le16_to_cpu(tclient->stats_counter) + 1) !=
3585 bp->stats_counter) {
3586 DP(BNX2X_MSG_STATS, "stats not updated by tstorm"
3587 " tstorm counter (%d) != stats_counter (%d)\n",
3588 tclient->stats_counter, bp->stats_counter);
3589 return -1;
3590 }
3591 if ((u16)(le16_to_cpu(xclient->stats_counter) + 1) !=
3592 bp->stats_counter) {
3593 DP(BNX2X_MSG_STATS, "stats not updated by xstorm"
3594 " xstorm counter (%d) != stats_counter (%d)\n",
3595 xclient->stats_counter, bp->stats_counter);
3596 return -2;
3597 }
3598
3599 fstats->total_bytes_received_hi =
3600 fstats->valid_bytes_received_hi =
3601 le32_to_cpu(tclient->total_rcv_bytes.hi);
3602 fstats->total_bytes_received_lo =
3603 fstats->valid_bytes_received_lo =
3604 le32_to_cpu(tclient->total_rcv_bytes.lo);
3605
3606 estats->error_bytes_received_hi =
3607 le32_to_cpu(tclient->rcv_error_bytes.hi);
3608 estats->error_bytes_received_lo =
3609 le32_to_cpu(tclient->rcv_error_bytes.lo);
3610 ADD_64(estats->error_bytes_received_hi,
3611 estats->rx_stat_ifhcinbadoctets_hi,
3612 estats->error_bytes_received_lo,
3613 estats->rx_stat_ifhcinbadoctets_lo);
3614
3615 ADD_64(fstats->total_bytes_received_hi,
3616 estats->error_bytes_received_hi,
3617 fstats->total_bytes_received_lo,
3618 estats->error_bytes_received_lo);
3619
3620 UPDATE_EXTEND_TSTAT(rcv_unicast_pkts, total_unicast_packets_received);
3621 UPDATE_EXTEND_TSTAT(rcv_multicast_pkts,
3622 total_multicast_packets_received);
3623 UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts,
3624 total_broadcast_packets_received);
3625
3626 fstats->total_bytes_transmitted_hi =
3627 le32_to_cpu(xclient->total_sent_bytes.hi);
3628 fstats->total_bytes_transmitted_lo =
3629 le32_to_cpu(xclient->total_sent_bytes.lo);
3630
3631 UPDATE_EXTEND_XSTAT(unicast_pkts_sent,
3632 total_unicast_packets_transmitted);
3633 UPDATE_EXTEND_XSTAT(multicast_pkts_sent,
3634 total_multicast_packets_transmitted);
3635 UPDATE_EXTEND_XSTAT(broadcast_pkts_sent,
3636 total_broadcast_packets_transmitted);
3637
3638 memcpy(estats, &(fstats->total_bytes_received_hi),
3639 sizeof(struct host_func_stats) - 2*sizeof(u32));
3640
3641 estats->mac_filter_discard = le32_to_cpu(tport->mac_filter_discard);
3642 estats->xxoverflow_discard = le32_to_cpu(tport->xxoverflow_discard);
3643 estats->brb_truncate_discard =
3644 le32_to_cpu(tport->brb_truncate_discard);
3645 estats->mac_discard = le32_to_cpu(tport->mac_discard);
3646
3647 old_tclient->rcv_unicast_bytes.hi =
3648 le32_to_cpu(tclient->rcv_unicast_bytes.hi);
3649 old_tclient->rcv_unicast_bytes.lo =
3650 le32_to_cpu(tclient->rcv_unicast_bytes.lo);
3651 old_tclient->rcv_broadcast_bytes.hi =
3652 le32_to_cpu(tclient->rcv_broadcast_bytes.hi);
3653 old_tclient->rcv_broadcast_bytes.lo =
3654 le32_to_cpu(tclient->rcv_broadcast_bytes.lo);
3655 old_tclient->rcv_multicast_bytes.hi =
3656 le32_to_cpu(tclient->rcv_multicast_bytes.hi);
3657 old_tclient->rcv_multicast_bytes.lo =
3658 le32_to_cpu(tclient->rcv_multicast_bytes.lo);
3659 old_tclient->total_rcv_pkts = le32_to_cpu(tclient->total_rcv_pkts);
3660
3661 old_tclient->checksum_discard = le32_to_cpu(tclient->checksum_discard);
3662 old_tclient->packets_too_big_discard =
3663 le32_to_cpu(tclient->packets_too_big_discard);
3664 estats->no_buff_discard =
3665 old_tclient->no_buff_discard = le32_to_cpu(tclient->no_buff_discard);
3666 old_tclient->ttl0_discard = le32_to_cpu(tclient->ttl0_discard);
3667
3668 old_xclient->total_sent_pkts = le32_to_cpu(xclient->total_sent_pkts);
3669 old_xclient->unicast_bytes_sent.hi =
3670 le32_to_cpu(xclient->unicast_bytes_sent.hi);
3671 old_xclient->unicast_bytes_sent.lo =
3672 le32_to_cpu(xclient->unicast_bytes_sent.lo);
3673 old_xclient->multicast_bytes_sent.hi =
3674 le32_to_cpu(xclient->multicast_bytes_sent.hi);
3675 old_xclient->multicast_bytes_sent.lo =
3676 le32_to_cpu(xclient->multicast_bytes_sent.lo);
3677 old_xclient->broadcast_bytes_sent.hi =
3678 le32_to_cpu(xclient->broadcast_bytes_sent.hi);
3679 old_xclient->broadcast_bytes_sent.lo =
3680 le32_to_cpu(xclient->broadcast_bytes_sent.lo);
3681
3682 fstats->host_func_stats_start = ++fstats->host_func_stats_end;
3683
3684 return 0;
3685}
3686
3687static void bnx2x_net_stats_update(struct bnx2x *bp)
3688{
3689 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3690 struct bnx2x_eth_stats *estats = &bp->eth_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003691 struct net_device_stats *nstats = &bp->dev->stats;
3692
3693 nstats->rx_packets =
3694 bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
3695 bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
3696 bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
3697
3698 nstats->tx_packets =
3699 bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
3700 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
3701 bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
3702
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003703 nstats->rx_bytes = bnx2x_hilo(&estats->valid_bytes_received_hi);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003704
Eliezer Tamir0e39e642008-02-28 11:54:03 -08003705 nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003706
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003707 nstats->rx_dropped = old_tclient->checksum_discard +
3708 estats->mac_discard;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003709 nstats->tx_dropped = 0;
3710
3711 nstats->multicast =
3712 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi);
3713
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003714 nstats->collisions =
3715 estats->tx_stat_dot3statssinglecollisionframes_lo +
3716 estats->tx_stat_dot3statsmultiplecollisionframes_lo +
3717 estats->tx_stat_dot3statslatecollisions_lo +
3718 estats->tx_stat_dot3statsexcessivecollisions_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003719
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003720 estats->jabber_packets_received =
3721 old_tclient->packets_too_big_discard +
3722 estats->rx_stat_dot3statsframestoolong_lo;
3723
3724 nstats->rx_length_errors =
3725 estats->rx_stat_etherstatsundersizepkts_lo +
3726 estats->jabber_packets_received;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003727 nstats->rx_over_errors = estats->brb_drop_lo + estats->brb_truncate_lo;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003728 nstats->rx_crc_errors = estats->rx_stat_dot3statsfcserrors_lo;
3729 nstats->rx_frame_errors = estats->rx_stat_dot3statsalignmenterrors_lo;
3730 nstats->rx_fifo_errors = old_tclient->no_buff_discard;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003731 nstats->rx_missed_errors = estats->xxoverflow_discard;
3732
3733 nstats->rx_errors = nstats->rx_length_errors +
3734 nstats->rx_over_errors +
3735 nstats->rx_crc_errors +
3736 nstats->rx_frame_errors +
Eliezer Tamir0e39e642008-02-28 11:54:03 -08003737 nstats->rx_fifo_errors +
3738 nstats->rx_missed_errors;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003739
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003740 nstats->tx_aborted_errors =
3741 estats->tx_stat_dot3statslatecollisions_lo +
3742 estats->tx_stat_dot3statsexcessivecollisions_lo;
3743 nstats->tx_carrier_errors = estats->rx_stat_falsecarriererrors_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003744 nstats->tx_fifo_errors = 0;
3745 nstats->tx_heartbeat_errors = 0;
3746 nstats->tx_window_errors = 0;
3747
3748 nstats->tx_errors = nstats->tx_aborted_errors +
3749 nstats->tx_carrier_errors;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003750}
3751
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003752static void bnx2x_stats_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003753{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003754 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3755 int update = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003756
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003757 if (*stats_comp != DMAE_COMP_VAL)
3758 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003759
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003760 if (bp->port.pmf)
3761 update = (bnx2x_hw_stats_update(bp) == 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003762
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003763 update |= (bnx2x_storm_stats_update(bp) == 0);
3764
3765 if (update)
3766 bnx2x_net_stats_update(bp);
3767
3768 else {
3769 if (bp->stats_pending) {
3770 bp->stats_pending++;
3771 if (bp->stats_pending == 3) {
3772 BNX2X_ERR("stats not updated for 3 times\n");
3773 bnx2x_panic();
3774 return;
3775 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003776 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003777 }
3778
3779 if (bp->msglevel & NETIF_MSG_TIMER) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003780 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3781 struct bnx2x_eth_stats *estats = &bp->eth_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003782 struct net_device_stats *nstats = &bp->dev->stats;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003783 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003784
3785 printk(KERN_DEBUG "%s:\n", bp->dev->name);
3786 printk(KERN_DEBUG " tx avail (%4x) tx hc idx (%x)"
3787 " tx pkt (%lx)\n",
3788 bnx2x_tx_avail(bp->fp),
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003789 le16_to_cpu(*bp->fp->tx_cons_sb), nstats->tx_packets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003790 printk(KERN_DEBUG " rx usage (%4x) rx hc idx (%x)"
3791 " rx pkt (%lx)\n",
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003792 (u16)(le16_to_cpu(*bp->fp->rx_cons_sb) -
3793 bp->fp->rx_comp_cons),
3794 le16_to_cpu(*bp->fp->rx_cons_sb), nstats->rx_packets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003795 printk(KERN_DEBUG " %s (Xoff events %u) brb drops %u\n",
Eilon Greenstein6378c022008-08-13 15:59:25 -07003796 netif_queue_stopped(bp->dev) ? "Xoff" : "Xon",
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003797 estats->driver_xoff, estats->brb_drop_lo);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003798 printk(KERN_DEBUG "tstats: checksum_discard %u "
3799 "packets_too_big_discard %u no_buff_discard %u "
3800 "mac_discard %u mac_filter_discard %u "
3801 "xxovrflow_discard %u brb_truncate_discard %u "
3802 "ttl0_discard %u\n",
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003803 old_tclient->checksum_discard,
3804 old_tclient->packets_too_big_discard,
3805 old_tclient->no_buff_discard, estats->mac_discard,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003806 estats->mac_filter_discard, estats->xxoverflow_discard,
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003807 estats->brb_truncate_discard,
3808 old_tclient->ttl0_discard);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003809
3810 for_each_queue(bp, i) {
3811 printk(KERN_DEBUG "[%d]: %lu\t%lu\t%lu\n", i,
3812 bnx2x_fp(bp, i, tx_pkt),
3813 bnx2x_fp(bp, i, rx_pkt),
3814 bnx2x_fp(bp, i, rx_calls));
3815 }
3816 }
3817
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003818 bnx2x_hw_stats_post(bp);
3819 bnx2x_storm_stats_post(bp);
3820}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003821
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003822static void bnx2x_port_stats_stop(struct bnx2x *bp)
3823{
3824 struct dmae_command *dmae;
3825 u32 opcode;
3826 int loader_idx = PMF_DMAE_C(bp);
3827 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003828
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003829 bp->executer_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003830
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003831 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3832 DMAE_CMD_C_ENABLE |
3833 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003834#ifdef __BIG_ENDIAN
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003835 DMAE_CMD_ENDIANITY_B_DW_SWAP |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003836#else
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003837 DMAE_CMD_ENDIANITY_DW_SWAP |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003838#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003839 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3840 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3841
3842 if (bp->port.port_stx) {
3843
3844 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3845 if (bp->func_stx)
3846 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3847 else
3848 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3849 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3850 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3851 dmae->dst_addr_lo = bp->port.port_stx >> 2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003852 dmae->dst_addr_hi = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003853 dmae->len = sizeof(struct host_port_stats) >> 2;
3854 if (bp->func_stx) {
3855 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3856 dmae->comp_addr_hi = 0;
3857 dmae->comp_val = 1;
3858 } else {
3859 dmae->comp_addr_lo =
3860 U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3861 dmae->comp_addr_hi =
3862 U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3863 dmae->comp_val = DMAE_COMP_VAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003864
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003865 *stats_comp = 0;
3866 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003867 }
3868
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003869 if (bp->func_stx) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003870
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003871 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3872 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3873 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3874 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3875 dmae->dst_addr_lo = bp->func_stx >> 2;
3876 dmae->dst_addr_hi = 0;
3877 dmae->len = sizeof(struct host_func_stats) >> 2;
3878 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3879 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3880 dmae->comp_val = DMAE_COMP_VAL;
3881
3882 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003883 }
3884}
3885
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003886static void bnx2x_stats_stop(struct bnx2x *bp)
3887{
3888 int update = 0;
3889
3890 bnx2x_stats_comp(bp);
3891
3892 if (bp->port.pmf)
3893 update = (bnx2x_hw_stats_update(bp) == 0);
3894
3895 update |= (bnx2x_storm_stats_update(bp) == 0);
3896
3897 if (update) {
3898 bnx2x_net_stats_update(bp);
3899
3900 if (bp->port.pmf)
3901 bnx2x_port_stats_stop(bp);
3902
3903 bnx2x_hw_stats_post(bp);
3904 bnx2x_stats_comp(bp);
3905 }
3906}
3907
3908static void bnx2x_stats_do_nothing(struct bnx2x *bp)
3909{
3910}
3911
3912static const struct {
3913 void (*action)(struct bnx2x *bp);
3914 enum bnx2x_stats_state next_state;
3915} bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
3916/* state event */
3917{
3918/* DISABLED PMF */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
3919/* LINK_UP */ {bnx2x_stats_start, STATS_STATE_ENABLED},
3920/* UPDATE */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
3921/* STOP */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
3922},
3923{
3924/* ENABLED PMF */ {bnx2x_stats_pmf_start, STATS_STATE_ENABLED},
3925/* LINK_UP */ {bnx2x_stats_restart, STATS_STATE_ENABLED},
3926/* UPDATE */ {bnx2x_stats_update, STATS_STATE_ENABLED},
3927/* STOP */ {bnx2x_stats_stop, STATS_STATE_DISABLED}
3928}
3929};
3930
3931static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
3932{
3933 enum bnx2x_stats_state state = bp->stats_state;
3934
3935 bnx2x_stats_stm[state][event].action(bp);
3936 bp->stats_state = bnx2x_stats_stm[state][event].next_state;
3937
3938 if ((event != STATS_EVENT_UPDATE) || (bp->msglevel & NETIF_MSG_TIMER))
3939 DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
3940 state, event, bp->stats_state);
3941}
3942
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003943static void bnx2x_timer(unsigned long data)
3944{
3945 struct bnx2x *bp = (struct bnx2x *) data;
3946
3947 if (!netif_running(bp->dev))
3948 return;
3949
3950 if (atomic_read(&bp->intr_sem) != 0)
Eliezer Tamirf1410642008-02-28 11:51:50 -08003951 goto timer_restart;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003952
3953 if (poll) {
3954 struct bnx2x_fastpath *fp = &bp->fp[0];
3955 int rc;
3956
3957 bnx2x_tx_int(fp, 1000);
3958 rc = bnx2x_rx_int(fp, 1000);
3959 }
3960
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003961 if (!BP_NOMCP(bp)) {
3962 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003963 u32 drv_pulse;
3964 u32 mcp_pulse;
3965
3966 ++bp->fw_drv_pulse_wr_seq;
3967 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3968 /* TBD - add SYSTEM_TIME */
3969 drv_pulse = bp->fw_drv_pulse_wr_seq;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003970 SHMEM_WR(bp, func_mb[func].drv_pulse_mb, drv_pulse);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003971
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003972 mcp_pulse = (SHMEM_RD(bp, func_mb[func].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003973 MCP_PULSE_SEQ_MASK);
3974 /* The delta between driver pulse and mcp response
3975 * should be 1 (before mcp response) or 0 (after mcp response)
3976 */
3977 if ((drv_pulse != mcp_pulse) &&
3978 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3979 /* someone lost a heartbeat... */
3980 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3981 drv_pulse, mcp_pulse);
3982 }
3983 }
3984
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003985 if ((bp->state == BNX2X_STATE_OPEN) ||
3986 (bp->state == BNX2X_STATE_DISABLED))
3987 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003988
Eliezer Tamirf1410642008-02-28 11:51:50 -08003989timer_restart:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003990 mod_timer(&bp->timer, jiffies + bp->current_interval);
3991}
3992
3993/* end of Statistics */
3994
3995/* nic init */
3996
3997/*
3998 * nic init service functions
3999 */
4000
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004001static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004002{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004003 int port = BP_PORT(bp);
4004
4005 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
4006 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
Yitchak Gertner35302982008-08-13 15:53:12 -07004007 sizeof(struct ustorm_status_block)/4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004008 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
4009 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
Yitchak Gertner35302982008-08-13 15:53:12 -07004010 sizeof(struct cstorm_status_block)/4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004011}
4012
Eilon Greenstein5c862842008-08-13 15:51:48 -07004013static void bnx2x_init_sb(struct bnx2x *bp, struct host_status_block *sb,
4014 dma_addr_t mapping, int sb_id)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004015{
4016 int port = BP_PORT(bp);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004017 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004018 int index;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004019 u64 section;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004020
4021 /* USTORM */
4022 section = ((u64)mapping) + offsetof(struct host_status_block,
4023 u_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004024 sb->u_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004025
4026 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004027 USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004028 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004029 ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004030 U64_HI(section));
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004031 REG_WR8(bp, BAR_USTRORM_INTMEM + FP_USB_FUNC_OFF +
4032 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004033
4034 for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++)
4035 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004036 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004037
4038 /* CSTORM */
4039 section = ((u64)mapping) + offsetof(struct host_status_block,
4040 c_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004041 sb->c_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004042
4043 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004044 CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004045 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004046 ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004047 U64_HI(section));
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004048 REG_WR8(bp, BAR_CSTRORM_INTMEM + FP_CSB_FUNC_OFF +
4049 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004050
4051 for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++)
4052 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004053 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004054
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004055 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
4056}
4057
4058static void bnx2x_zero_def_sb(struct bnx2x *bp)
4059{
4060 int func = BP_FUNC(bp);
4061
4062 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
4063 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4064 sizeof(struct ustorm_def_status_block)/4);
4065 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
4066 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4067 sizeof(struct cstorm_def_status_block)/4);
4068 bnx2x_init_fill(bp, BAR_XSTRORM_INTMEM +
4069 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4070 sizeof(struct xstorm_def_status_block)/4);
4071 bnx2x_init_fill(bp, BAR_TSTRORM_INTMEM +
4072 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4073 sizeof(struct tstorm_def_status_block)/4);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004074}
4075
4076static void bnx2x_init_def_sb(struct bnx2x *bp,
4077 struct host_def_status_block *def_sb,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004078 dma_addr_t mapping, int sb_id)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004079{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004080 int port = BP_PORT(bp);
4081 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004082 int index, val, reg_offset;
4083 u64 section;
4084
4085 /* ATTN */
4086 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4087 atten_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004088 def_sb->atten_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004089
Eliezer Tamir49d66772008-02-28 11:53:13 -08004090 bp->attn_state = 0;
4091
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004092 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4093 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4094
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004095 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004096 bp->attn_group[index].sig[0] = REG_RD(bp,
4097 reg_offset + 0x10*index);
4098 bp->attn_group[index].sig[1] = REG_RD(bp,
4099 reg_offset + 0x4 + 0x10*index);
4100 bp->attn_group[index].sig[2] = REG_RD(bp,
4101 reg_offset + 0x8 + 0x10*index);
4102 bp->attn_group[index].sig[3] = REG_RD(bp,
4103 reg_offset + 0xc + 0x10*index);
4104 }
4105
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004106 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4107 HC_REG_ATTN_MSG0_ADDR_L);
4108
4109 REG_WR(bp, reg_offset, U64_LO(section));
4110 REG_WR(bp, reg_offset + 4, U64_HI(section));
4111
4112 reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0);
4113
4114 val = REG_RD(bp, reg_offset);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004115 val |= sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004116 REG_WR(bp, reg_offset, val);
4117
4118 /* USTORM */
4119 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4120 u_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004121 def_sb->u_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004122
4123 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004124 USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004125 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004126 ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004127 U64_HI(section));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004128 REG_WR8(bp, BAR_USTRORM_INTMEM + DEF_USB_FUNC_OFF +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004129 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004130
4131 for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++)
4132 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004133 USTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004134
4135 /* CSTORM */
4136 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4137 c_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004138 def_sb->c_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004139
4140 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004141 CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004142 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004143 ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004144 U64_HI(section));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004145 REG_WR8(bp, BAR_CSTRORM_INTMEM + DEF_CSB_FUNC_OFF +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004146 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004147
4148 for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++)
4149 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004150 CSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004151
4152 /* TSTORM */
4153 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4154 t_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004155 def_sb->t_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004156
4157 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004158 TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004159 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004160 ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004161 U64_HI(section));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004162 REG_WR8(bp, BAR_TSTRORM_INTMEM + DEF_TSB_FUNC_OFF +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004163 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004164
4165 for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++)
4166 REG_WR16(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004167 TSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004168
4169 /* XSTORM */
4170 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4171 x_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004172 def_sb->x_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004173
4174 REG_WR(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004175 XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004176 REG_WR(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004177 ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004178 U64_HI(section));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004179 REG_WR8(bp, BAR_XSTRORM_INTMEM + DEF_XSB_FUNC_OFF +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004180 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004181
4182 for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++)
4183 REG_WR16(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004184 XSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004185
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004186 bp->stats_pending = 0;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004187 bp->set_mac_pending = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004188
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004189 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004190}
4191
4192static void bnx2x_update_coalesce(struct bnx2x *bp)
4193{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004194 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004195 int i;
4196
4197 for_each_queue(bp, i) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004198 int sb_id = bp->fp[i].sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004199
4200 /* HC_INDEX_U_ETH_RX_CQ_CONS */
4201 REG_WR8(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004202 USTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
Eilon Greenstein5c862842008-08-13 15:51:48 -07004203 U_SB_ETH_RX_CQ_INDEX),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004204 bp->rx_ticks/12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004205 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004206 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
Eilon Greenstein5c862842008-08-13 15:51:48 -07004207 U_SB_ETH_RX_CQ_INDEX),
4208 bp->rx_ticks ? 0 : 1);
4209 REG_WR16(bp, BAR_USTRORM_INTMEM +
4210 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4211 U_SB_ETH_RX_BD_INDEX),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004212 bp->rx_ticks ? 0 : 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004213
4214 /* HC_INDEX_C_ETH_TX_CQ_CONS */
4215 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004216 CSTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
Eilon Greenstein5c862842008-08-13 15:51:48 -07004217 C_SB_ETH_TX_CQ_INDEX),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004218 bp->tx_ticks/12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004219 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004220 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
Eilon Greenstein5c862842008-08-13 15:51:48 -07004221 C_SB_ETH_TX_CQ_INDEX),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004222 bp->tx_ticks ? 0 : 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004223 }
4224}
4225
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004226static inline void bnx2x_free_tpa_pool(struct bnx2x *bp,
4227 struct bnx2x_fastpath *fp, int last)
4228{
4229 int i;
4230
4231 for (i = 0; i < last; i++) {
4232 struct sw_rx_bd *rx_buf = &(fp->tpa_pool[i]);
4233 struct sk_buff *skb = rx_buf->skb;
4234
4235 if (skb == NULL) {
4236 DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i);
4237 continue;
4238 }
4239
4240 if (fp->tpa_state[i] == BNX2X_TPA_START)
4241 pci_unmap_single(bp->pdev,
4242 pci_unmap_addr(rx_buf, mapping),
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07004243 bp->rx_buf_size,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004244 PCI_DMA_FROMDEVICE);
4245
4246 dev_kfree_skb(skb);
4247 rx_buf->skb = NULL;
4248 }
4249}
4250
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004251static void bnx2x_init_rx_rings(struct bnx2x *bp)
4252{
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004253 int func = BP_FUNC(bp);
Eilon Greenstein32626232008-08-13 15:51:07 -07004254 int max_agg_queues = CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 :
4255 ETH_MAX_AGGREGATION_QUEUES_E1H;
4256 u16 ring_prod, cqe_ring_prod;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004257 int i, j;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004258
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07004259 bp->rx_buf_size = bp->dev->mtu;
4260 bp->rx_buf_size += bp->rx_offset + ETH_OVREHEAD +
4261 BCM_RX_ETH_PAYLOAD_ALIGN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004262
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004263 if (bp->flags & TPA_ENABLE_FLAG) {
4264 DP(NETIF_MSG_IFUP,
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07004265 "rx_buf_size %d effective_mtu %d\n",
4266 bp->rx_buf_size, bp->dev->mtu + ETH_OVREHEAD);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004267
4268 for_each_queue(bp, j) {
Eilon Greenstein32626232008-08-13 15:51:07 -07004269 struct bnx2x_fastpath *fp = &bp->fp[j];
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004270
Eilon Greenstein32626232008-08-13 15:51:07 -07004271 for (i = 0; i < max_agg_queues; i++) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004272 fp->tpa_pool[i].skb =
4273 netdev_alloc_skb(bp->dev, bp->rx_buf_size);
4274 if (!fp->tpa_pool[i].skb) {
4275 BNX2X_ERR("Failed to allocate TPA "
4276 "skb pool for queue[%d] - "
4277 "disabling TPA on this "
4278 "queue!\n", j);
4279 bnx2x_free_tpa_pool(bp, fp, i);
4280 fp->disable_tpa = 1;
4281 break;
4282 }
4283 pci_unmap_addr_set((struct sw_rx_bd *)
4284 &bp->fp->tpa_pool[i],
4285 mapping, 0);
4286 fp->tpa_state[i] = BNX2X_TPA_STOP;
4287 }
4288 }
4289 }
4290
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004291 for_each_queue(bp, j) {
4292 struct bnx2x_fastpath *fp = &bp->fp[j];
4293
4294 fp->rx_bd_cons = 0;
4295 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004296 fp->rx_bd_cons_sb = BNX2X_RX_SB_BD_INDEX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004297
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004298 /* "next page" elements initialization */
4299 /* SGE ring */
4300 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
4301 struct eth_rx_sge *sge;
4302
4303 sge = &fp->rx_sge_ring[RX_SGE_CNT * i - 2];
4304 sge->addr_hi =
4305 cpu_to_le32(U64_HI(fp->rx_sge_mapping +
4306 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4307 sge->addr_lo =
4308 cpu_to_le32(U64_LO(fp->rx_sge_mapping +
4309 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4310 }
4311
4312 bnx2x_init_sge_ring_bit_mask(fp);
4313
4314 /* RX BD ring */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004315 for (i = 1; i <= NUM_RX_RINGS; i++) {
4316 struct eth_rx_bd *rx_bd;
4317
4318 rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2];
4319 rx_bd->addr_hi =
4320 cpu_to_le32(U64_HI(fp->rx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004321 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004322 rx_bd->addr_lo =
4323 cpu_to_le32(U64_LO(fp->rx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004324 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004325 }
4326
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004327 /* CQ ring */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004328 for (i = 1; i <= NUM_RCQ_RINGS; i++) {
4329 struct eth_rx_cqe_next_page *nextpg;
4330
4331 nextpg = (struct eth_rx_cqe_next_page *)
4332 &fp->rx_comp_ring[RCQ_DESC_CNT * i - 1];
4333 nextpg->addr_hi =
4334 cpu_to_le32(U64_HI(fp->rx_comp_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004335 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004336 nextpg->addr_lo =
4337 cpu_to_le32(U64_LO(fp->rx_comp_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004338 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004339 }
4340
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004341 /* Allocate SGEs and initialize the ring elements */
4342 for (i = 0, ring_prod = 0;
4343 i < MAX_RX_SGE_CNT*NUM_RX_SGE_PAGES; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004344
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004345 if (bnx2x_alloc_rx_sge(bp, fp, ring_prod) < 0) {
4346 BNX2X_ERR("was only able to allocate "
4347 "%d rx sges\n", i);
4348 BNX2X_ERR("disabling TPA for queue[%d]\n", j);
4349 /* Cleanup already allocated elements */
4350 bnx2x_free_rx_sge_range(bp, fp, ring_prod);
Eilon Greenstein32626232008-08-13 15:51:07 -07004351 bnx2x_free_tpa_pool(bp, fp, max_agg_queues);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004352 fp->disable_tpa = 1;
4353 ring_prod = 0;
4354 break;
4355 }
4356 ring_prod = NEXT_SGE_IDX(ring_prod);
4357 }
4358 fp->rx_sge_prod = ring_prod;
4359
4360 /* Allocate BDs and initialize BD ring */
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004361 fp->rx_comp_cons = 0;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004362 cqe_ring_prod = ring_prod = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004363 for (i = 0; i < bp->rx_ring_size; i++) {
4364 if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) {
4365 BNX2X_ERR("was only able to allocate "
4366 "%d rx skbs\n", i);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004367 bp->eth_stats.rx_skb_alloc_failed++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004368 break;
4369 }
4370 ring_prod = NEXT_RX_IDX(ring_prod);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004371 cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod);
Ilpo Järvinen53e5e962008-07-25 21:40:45 -07004372 WARN_ON(ring_prod <= i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004373 }
4374
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004375 fp->rx_bd_prod = ring_prod;
4376 /* must not have more available CQEs than BDs */
4377 fp->rx_comp_prod = min((u16)(NUM_RCQ_RINGS*RCQ_DESC_CNT),
4378 cqe_ring_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004379 fp->rx_pkt = fp->rx_calls = 0;
4380
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004381 /* Warning!
4382 * this will generate an interrupt (to the TSTORM)
4383 * must only be done after chip is initialized
4384 */
4385 bnx2x_update_rx_prod(bp, fp, ring_prod, fp->rx_comp_prod,
4386 fp->rx_sge_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004387 if (j != 0)
4388 continue;
4389
4390 REG_WR(bp, BAR_USTRORM_INTMEM +
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004391 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004392 U64_LO(fp->rx_comp_mapping));
4393 REG_WR(bp, BAR_USTRORM_INTMEM +
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004394 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004395 U64_HI(fp->rx_comp_mapping));
4396 }
4397}
4398
4399static void bnx2x_init_tx_ring(struct bnx2x *bp)
4400{
4401 int i, j;
4402
4403 for_each_queue(bp, j) {
4404 struct bnx2x_fastpath *fp = &bp->fp[j];
4405
4406 for (i = 1; i <= NUM_TX_RINGS; i++) {
4407 struct eth_tx_bd *tx_bd =
4408 &fp->tx_desc_ring[TX_DESC_CNT * i - 1];
4409
4410 tx_bd->addr_hi =
4411 cpu_to_le32(U64_HI(fp->tx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004412 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004413 tx_bd->addr_lo =
4414 cpu_to_le32(U64_LO(fp->tx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004415 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004416 }
4417
4418 fp->tx_pkt_prod = 0;
4419 fp->tx_pkt_cons = 0;
4420 fp->tx_bd_prod = 0;
4421 fp->tx_bd_cons = 0;
4422 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4423 fp->tx_pkt = 0;
4424 }
4425}
4426
4427static void bnx2x_init_sp_ring(struct bnx2x *bp)
4428{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004429 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004430
4431 spin_lock_init(&bp->spq_lock);
4432
4433 bp->spq_left = MAX_SPQ_PENDING;
4434 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004435 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4436 bp->spq_prod_bd = bp->spq;
4437 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
4438
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004439 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004440 U64_LO(bp->spq_mapping));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004441 REG_WR(bp,
4442 XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004443 U64_HI(bp->spq_mapping));
4444
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004445 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004446 bp->spq_prod_idx);
4447}
4448
4449static void bnx2x_init_context(struct bnx2x *bp)
4450{
4451 int i;
4452
4453 for_each_queue(bp, i) {
4454 struct eth_context *context = bnx2x_sp(bp, context[i].eth);
4455 struct bnx2x_fastpath *fp = &bp->fp[i];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004456 u8 sb_id = FP_SB_ID(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004457
4458 context->xstorm_st_context.tx_bd_page_base_hi =
4459 U64_HI(fp->tx_desc_mapping);
4460 context->xstorm_st_context.tx_bd_page_base_lo =
4461 U64_LO(fp->tx_desc_mapping);
4462 context->xstorm_st_context.db_data_addr_hi =
4463 U64_HI(fp->tx_prods_mapping);
4464 context->xstorm_st_context.db_data_addr_lo =
4465 U64_LO(fp->tx_prods_mapping);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004466 context->xstorm_st_context.statistics_data = (BP_CL_ID(bp) |
4467 XSTORM_ETH_ST_CONTEXT_STATISTICS_ENABLE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004468
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004469 context->ustorm_st_context.common.sb_index_numbers =
4470 BNX2X_RX_SB_INDEX_NUM;
4471 context->ustorm_st_context.common.clientId = FP_CL_ID(fp);
4472 context->ustorm_st_context.common.status_block_id = sb_id;
4473 context->ustorm_st_context.common.flags =
4474 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_MC_ALIGNMENT;
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07004475 context->ustorm_st_context.common.mc_alignment_size =
4476 BCM_RX_ETH_PAYLOAD_ALIGN;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004477 context->ustorm_st_context.common.bd_buff_size =
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07004478 bp->rx_buf_size;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004479 context->ustorm_st_context.common.bd_page_base_hi =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004480 U64_HI(fp->rx_desc_mapping);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004481 context->ustorm_st_context.common.bd_page_base_lo =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004482 U64_LO(fp->rx_desc_mapping);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004483 if (!fp->disable_tpa) {
4484 context->ustorm_st_context.common.flags |=
4485 (USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_TPA |
4486 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_SGE_RING);
4487 context->ustorm_st_context.common.sge_buff_size =
4488 (u16)(BCM_PAGE_SIZE*PAGES_PER_SGE);
4489 context->ustorm_st_context.common.sge_page_base_hi =
4490 U64_HI(fp->rx_sge_mapping);
4491 context->ustorm_st_context.common.sge_page_base_lo =
4492 U64_LO(fp->rx_sge_mapping);
4493 }
4494
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004495 context->cstorm_st_context.sb_index_number =
Eilon Greenstein5c862842008-08-13 15:51:48 -07004496 C_SB_ETH_TX_CQ_INDEX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004497 context->cstorm_st_context.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004498
4499 context->xstorm_ag_context.cdu_reserved =
4500 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4501 CDU_REGION_NUMBER_XCM_AG,
4502 ETH_CONNECTION_TYPE);
4503 context->ustorm_ag_context.cdu_usage =
4504 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4505 CDU_REGION_NUMBER_UCM_AG,
4506 ETH_CONNECTION_TYPE);
4507 }
4508}
4509
4510static void bnx2x_init_ind_table(struct bnx2x *bp)
4511{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004512 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004513 int i;
4514
4515 if (!is_multi(bp))
4516 return;
4517
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004518 DP(NETIF_MSG_IFUP, "Initializing indirection table\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004519 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004520 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4521 TSTORM_INDIRECTION_TABLE_OFFSET(port) + i,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004522 i % bp->num_queues);
4523
4524 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
4525}
4526
Eliezer Tamir49d66772008-02-28 11:53:13 -08004527static void bnx2x_set_client_config(struct bnx2x *bp)
4528{
Eliezer Tamir49d66772008-02-28 11:53:13 -08004529 struct tstorm_eth_client_config tstorm_client = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004530 int port = BP_PORT(bp);
4531 int i;
Eliezer Tamir49d66772008-02-28 11:53:13 -08004532
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004533 tstorm_client.mtu = bp->dev->mtu + ETH_OVREHEAD;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004534 tstorm_client.statistics_counter_id = BP_CL_ID(bp);
Eliezer Tamir49d66772008-02-28 11:53:13 -08004535 tstorm_client.config_flags =
4536 TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE;
4537#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004538 if (bp->rx_mode && bp->vlgrp) {
Eliezer Tamir49d66772008-02-28 11:53:13 -08004539 tstorm_client.config_flags |=
4540 TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE;
4541 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
4542 }
4543#endif
Eliezer Tamir49d66772008-02-28 11:53:13 -08004544
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004545 if (bp->flags & TPA_ENABLE_FLAG) {
4546 tstorm_client.max_sges_for_packet =
Eilon Greenstein4f40f2c2009-01-14 21:24:17 -08004547 SGE_PAGE_ALIGN(tstorm_client.mtu) >> SGE_PAGE_SHIFT;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004548 tstorm_client.max_sges_for_packet =
4549 ((tstorm_client.max_sges_for_packet +
4550 PAGES_PER_SGE - 1) & (~(PAGES_PER_SGE - 1))) >>
4551 PAGES_PER_SGE_SHIFT;
4552
4553 tstorm_client.config_flags |=
4554 TSTORM_ETH_CLIENT_CONFIG_ENABLE_SGE_RING;
4555 }
4556
Eliezer Tamir49d66772008-02-28 11:53:13 -08004557 for_each_queue(bp, i) {
4558 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004559 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id),
Eliezer Tamir49d66772008-02-28 11:53:13 -08004560 ((u32 *)&tstorm_client)[0]);
4561 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004562 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id) + 4,
Eliezer Tamir49d66772008-02-28 11:53:13 -08004563 ((u32 *)&tstorm_client)[1]);
4564 }
4565
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004566 DP(BNX2X_MSG_OFF, "tstorm_client: 0x%08x 0x%08x\n",
4567 ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]);
Eliezer Tamir49d66772008-02-28 11:53:13 -08004568}
4569
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004570static void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
4571{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004572 struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004573 int mode = bp->rx_mode;
4574 int mask = (1 << BP_L_ID(bp));
4575 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004576 int i;
4577
Eilon Greenstein3196a882008-08-13 15:58:49 -07004578 DP(NETIF_MSG_IFUP, "rx mode %d mask 0x%x\n", mode, mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004579
4580 switch (mode) {
4581 case BNX2X_RX_MODE_NONE: /* no Rx */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004582 tstorm_mac_filter.ucast_drop_all = mask;
4583 tstorm_mac_filter.mcast_drop_all = mask;
4584 tstorm_mac_filter.bcast_drop_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004585 break;
4586 case BNX2X_RX_MODE_NORMAL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004587 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004588 break;
4589 case BNX2X_RX_MODE_ALLMULTI:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004590 tstorm_mac_filter.mcast_accept_all = mask;
4591 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004592 break;
4593 case BNX2X_RX_MODE_PROMISC:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004594 tstorm_mac_filter.ucast_accept_all = mask;
4595 tstorm_mac_filter.mcast_accept_all = mask;
4596 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004597 break;
4598 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004599 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4600 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004601 }
4602
4603 for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) {
4604 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004605 TSTORM_MAC_FILTER_CONFIG_OFFSET(func) + i * 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004606 ((u32 *)&tstorm_mac_filter)[i]);
4607
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004608/* DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004609 ((u32 *)&tstorm_mac_filter)[i]); */
4610 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004611
Eliezer Tamir49d66772008-02-28 11:53:13 -08004612 if (mode != BNX2X_RX_MODE_NONE)
4613 bnx2x_set_client_config(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004614}
4615
Eilon Greenstein471de712008-08-13 15:49:35 -07004616static void bnx2x_init_internal_common(struct bnx2x *bp)
4617{
4618 int i;
4619
Yitchak Gertner3cdf1db2008-08-25 15:24:21 -07004620 if (bp->flags & TPA_ENABLE_FLAG) {
4621 struct tstorm_eth_tpa_exist tpa = {0};
4622
4623 tpa.tpa_exist = 1;
4624
4625 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET,
4626 ((u32 *)&tpa)[0]);
4627 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET + 4,
4628 ((u32 *)&tpa)[1]);
4629 }
4630
Eilon Greenstein471de712008-08-13 15:49:35 -07004631 /* Zero this manually as its initialization is
4632 currently missing in the initTool */
4633 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4634 REG_WR(bp, BAR_USTRORM_INTMEM +
4635 USTORM_AGG_DATA_OFFSET + i * 4, 0);
4636}
4637
4638static void bnx2x_init_internal_port(struct bnx2x *bp)
4639{
4640 int port = BP_PORT(bp);
4641
4642 REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4643 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4644 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4645 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4646}
4647
4648static void bnx2x_init_internal_func(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004649{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004650 struct tstorm_eth_function_common_config tstorm_config = {0};
4651 struct stats_indication_flags stats_flags = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004652 int port = BP_PORT(bp);
4653 int func = BP_FUNC(bp);
4654 int i;
Eilon Greenstein471de712008-08-13 15:49:35 -07004655 u16 max_agg_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004656
4657 if (is_multi(bp)) {
4658 tstorm_config.config_flags = MULTI_FLAGS;
4659 tstorm_config.rss_result_mask = MULTI_MASK;
4660 }
4661
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004662 tstorm_config.leading_client_id = BP_L_ID(bp);
4663
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004664 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004665 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004666 (*(u32 *)&tstorm_config));
4667
Eliezer Tamirc14423f2008-02-28 11:49:42 -08004668 bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004669 bnx2x_set_storm_rx_mode(bp);
4670
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004671 /* reset xstorm per client statistics */
4672 for (i = 0; i < sizeof(struct xstorm_per_client_stats) / 4; i++) {
4673 REG_WR(bp, BAR_XSTRORM_INTMEM +
4674 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4675 i*4, 0);
4676 }
4677 /* reset tstorm per client statistics */
4678 for (i = 0; i < sizeof(struct tstorm_per_client_stats) / 4; i++) {
4679 REG_WR(bp, BAR_TSTRORM_INTMEM +
4680 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4681 i*4, 0);
4682 }
4683
4684 /* Init statistics related context */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004685 stats_flags.collect_eth = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004686
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004687 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004688 ((u32 *)&stats_flags)[0]);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004689 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004690 ((u32 *)&stats_flags)[1]);
4691
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004692 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004693 ((u32 *)&stats_flags)[0]);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004694 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004695 ((u32 *)&stats_flags)[1]);
4696
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004697 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004698 ((u32 *)&stats_flags)[0]);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004699 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004700 ((u32 *)&stats_flags)[1]);
4701
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004702 REG_WR(bp, BAR_XSTRORM_INTMEM +
4703 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4704 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4705 REG_WR(bp, BAR_XSTRORM_INTMEM +
4706 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4707 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
4708
4709 REG_WR(bp, BAR_TSTRORM_INTMEM +
4710 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4711 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4712 REG_WR(bp, BAR_TSTRORM_INTMEM +
4713 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4714 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004715
4716 if (CHIP_IS_E1H(bp)) {
4717 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
4718 IS_E1HMF(bp));
4719 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
4720 IS_E1HMF(bp));
4721 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
4722 IS_E1HMF(bp));
4723 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
4724 IS_E1HMF(bp));
4725
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004726 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(func),
4727 bp->e1hov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004728 }
4729
Eilon Greenstein4f40f2c2009-01-14 21:24:17 -08004730 /* Init CQ ring mapping and aggregation size, the FW limit is 8 frags */
4731 max_agg_size =
4732 min((u32)(min((u32)8, (u32)MAX_SKB_FRAGS) *
4733 SGE_PAGE_SIZE * PAGES_PER_SGE),
4734 (u32)0xffff);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004735 for_each_queue(bp, i) {
4736 struct bnx2x_fastpath *fp = &bp->fp[i];
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004737
4738 REG_WR(bp, BAR_USTRORM_INTMEM +
4739 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)),
4740 U64_LO(fp->rx_comp_mapping));
4741 REG_WR(bp, BAR_USTRORM_INTMEM +
4742 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)) + 4,
4743 U64_HI(fp->rx_comp_mapping));
4744
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004745 REG_WR16(bp, BAR_USTRORM_INTMEM +
4746 USTORM_MAX_AGG_SIZE_OFFSET(port, FP_CL_ID(fp)),
4747 max_agg_size);
4748 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004749}
4750
Eilon Greenstein471de712008-08-13 15:49:35 -07004751static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4752{
4753 switch (load_code) {
4754 case FW_MSG_CODE_DRV_LOAD_COMMON:
4755 bnx2x_init_internal_common(bp);
4756 /* no break */
4757
4758 case FW_MSG_CODE_DRV_LOAD_PORT:
4759 bnx2x_init_internal_port(bp);
4760 /* no break */
4761
4762 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
4763 bnx2x_init_internal_func(bp);
4764 break;
4765
4766 default:
4767 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4768 break;
4769 }
4770}
4771
4772static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004773{
4774 int i;
4775
4776 for_each_queue(bp, i) {
4777 struct bnx2x_fastpath *fp = &bp->fp[i];
4778
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004779 fp->bp = bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004780 fp->state = BNX2X_FP_STATE_CLOSED;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004781 fp->index = i;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004782 fp->cl_id = BP_L_ID(bp) + i;
4783 fp->sb_id = fp->cl_id;
4784 DP(NETIF_MSG_IFUP,
4785 "bnx2x_init_sb(%p,%p) index %d cl_id %d sb %d\n",
4786 bp, fp->status_blk, i, FP_CL_ID(fp), FP_SB_ID(fp));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004787 bnx2x_init_sb(bp, fp->status_blk, fp->status_blk_mapping,
4788 FP_SB_ID(fp));
4789 bnx2x_update_fpsb_idx(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004790 }
4791
Eilon Greenstein5c862842008-08-13 15:51:48 -07004792 bnx2x_init_def_sb(bp, bp->def_status_blk, bp->def_status_blk_mapping,
4793 DEF_SB_ID);
4794 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004795 bnx2x_update_coalesce(bp);
4796 bnx2x_init_rx_rings(bp);
4797 bnx2x_init_tx_ring(bp);
4798 bnx2x_init_sp_ring(bp);
4799 bnx2x_init_context(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07004800 bnx2x_init_internal(bp, load_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004801 bnx2x_init_ind_table(bp);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08004802 bnx2x_int_enable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004803}
4804
4805/* end of nic init */
4806
4807/*
4808 * gzip service functions
4809 */
4810
4811static int bnx2x_gunzip_init(struct bnx2x *bp)
4812{
4813 bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE,
4814 &bp->gunzip_mapping);
4815 if (bp->gunzip_buf == NULL)
4816 goto gunzip_nomem1;
4817
4818 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4819 if (bp->strm == NULL)
4820 goto gunzip_nomem2;
4821
4822 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4823 GFP_KERNEL);
4824 if (bp->strm->workspace == NULL)
4825 goto gunzip_nomem3;
4826
4827 return 0;
4828
4829gunzip_nomem3:
4830 kfree(bp->strm);
4831 bp->strm = NULL;
4832
4833gunzip_nomem2:
4834 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4835 bp->gunzip_mapping);
4836 bp->gunzip_buf = NULL;
4837
4838gunzip_nomem1:
4839 printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for"
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004840 " un-compression\n", bp->dev->name);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004841 return -ENOMEM;
4842}
4843
4844static void bnx2x_gunzip_end(struct bnx2x *bp)
4845{
4846 kfree(bp->strm->workspace);
4847
4848 kfree(bp->strm);
4849 bp->strm = NULL;
4850
4851 if (bp->gunzip_buf) {
4852 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4853 bp->gunzip_mapping);
4854 bp->gunzip_buf = NULL;
4855 }
4856}
4857
4858static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len)
4859{
4860 int n, rc;
4861
4862 /* check gzip header */
4863 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED))
4864 return -EINVAL;
4865
4866 n = 10;
4867
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004868#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004869
4870 if (zbuf[3] & FNAME)
4871 while ((zbuf[n++] != 0) && (n < len));
4872
4873 bp->strm->next_in = zbuf + n;
4874 bp->strm->avail_in = len - n;
4875 bp->strm->next_out = bp->gunzip_buf;
4876 bp->strm->avail_out = FW_BUF_SIZE;
4877
4878 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4879 if (rc != Z_OK)
4880 return rc;
4881
4882 rc = zlib_inflate(bp->strm, Z_FINISH);
4883 if ((rc != Z_OK) && (rc != Z_STREAM_END))
4884 printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n",
4885 bp->dev->name, bp->strm->msg);
4886
4887 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4888 if (bp->gunzip_outlen & 0x3)
4889 printk(KERN_ERR PFX "%s: Firmware decompression error:"
4890 " gunzip_outlen (%d) not aligned\n",
4891 bp->dev->name, bp->gunzip_outlen);
4892 bp->gunzip_outlen >>= 2;
4893
4894 zlib_inflateEnd(bp->strm);
4895
4896 if (rc == Z_STREAM_END)
4897 return 0;
4898
4899 return rc;
4900}
4901
4902/* nic load/unload */
4903
4904/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004905 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004906 */
4907
4908/* send a NIG loopback debug packet */
4909static void bnx2x_lb_pckt(struct bnx2x *bp)
4910{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004911 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004912
4913 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004914 wb_write[0] = 0x55555555;
4915 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004916 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004917 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004918
4919 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004920 wb_write[0] = 0x09000000;
4921 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004922 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004923 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004924}
4925
4926/* some of the internal memories
4927 * are not directly readable from the driver
4928 * to test them we send debug packets
4929 */
4930static int bnx2x_int_mem_test(struct bnx2x *bp)
4931{
4932 int factor;
4933 int count, i;
4934 u32 val = 0;
4935
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004936 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004937 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004938 else if (CHIP_REV_IS_EMUL(bp))
4939 factor = 200;
4940 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004941 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004942
4943 DP(NETIF_MSG_HW, "start part1\n");
4944
4945 /* Disable inputs of parser neighbor blocks */
4946 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4947 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4948 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004949 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004950
4951 /* Write 0 to parser credits for CFC search request */
4952 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4953
4954 /* send Ethernet packet */
4955 bnx2x_lb_pckt(bp);
4956
4957 /* TODO do i reset NIG statistic? */
4958 /* Wait until NIG register shows 1 packet of size 0x10 */
4959 count = 1000 * factor;
4960 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004961
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004962 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4963 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004964 if (val == 0x10)
4965 break;
4966
4967 msleep(10);
4968 count--;
4969 }
4970 if (val != 0x10) {
4971 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4972 return -1;
4973 }
4974
4975 /* Wait until PRS register shows 1 packet */
4976 count = 1000 * factor;
4977 while (count) {
4978 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004979 if (val == 1)
4980 break;
4981
4982 msleep(10);
4983 count--;
4984 }
4985 if (val != 0x1) {
4986 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4987 return -2;
4988 }
4989
4990 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004991 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004992 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004993 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004994 msleep(50);
4995 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
4996 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
4997
4998 DP(NETIF_MSG_HW, "part2\n");
4999
5000 /* Disable inputs of parser neighbor blocks */
5001 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
5002 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
5003 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005004 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005005
5006 /* Write 0 to parser credits for CFC search request */
5007 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
5008
5009 /* send 10 Ethernet packets */
5010 for (i = 0; i < 10; i++)
5011 bnx2x_lb_pckt(bp);
5012
5013 /* Wait until NIG register shows 10 + 1
5014 packets of size 11*0x10 = 0xb0 */
5015 count = 1000 * factor;
5016 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005017
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005018 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5019 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005020 if (val == 0xb0)
5021 break;
5022
5023 msleep(10);
5024 count--;
5025 }
5026 if (val != 0xb0) {
5027 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5028 return -3;
5029 }
5030
5031 /* Wait until PRS register shows 2 packets */
5032 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5033 if (val != 2)
5034 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5035
5036 /* Write 1 to parser credits for CFC search request */
5037 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
5038
5039 /* Wait until PRS register shows 3 packets */
5040 msleep(10 * factor);
5041 /* Wait until NIG register shows 1 packet of size 0x10 */
5042 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5043 if (val != 3)
5044 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5045
5046 /* clear NIG EOP FIFO */
5047 for (i = 0; i < 11; i++)
5048 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
5049 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
5050 if (val != 1) {
5051 BNX2X_ERR("clear of NIG failed\n");
5052 return -4;
5053 }
5054
5055 /* Reset and init BRB, PRS, NIG */
5056 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
5057 msleep(50);
5058 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
5059 msleep(50);
5060 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5061 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5062#ifndef BCM_ISCSI
5063 /* set NIC mode */
5064 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5065#endif
5066
5067 /* Enable inputs of parser neighbor blocks */
5068 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
5069 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
5070 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005071 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005072
5073 DP(NETIF_MSG_HW, "done\n");
5074
5075 return 0; /* OK */
5076}
5077
5078static void enable_blocks_attention(struct bnx2x *bp)
5079{
5080 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5081 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
5082 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5083 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5084 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
5085 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
5086 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
5087 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
5088 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005089/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
5090/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005091 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
5092 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
5093 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005094/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
5095/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005096 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
5097 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
5098 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
5099 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005100/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
5101/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
5102 if (CHIP_REV_IS_FPGA(bp))
5103 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
5104 else
5105 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005106 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
5107 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
5108 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005109/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
5110/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005111 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
5112 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005113/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
5114 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005115}
5116
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005117
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005118static int bnx2x_init_common(struct bnx2x *bp)
5119{
5120 u32 val, i;
5121
5122 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_FUNC(bp));
5123
5124 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
5125 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
5126
5127 bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END);
5128 if (CHIP_IS_E1H(bp))
5129 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_E1HMF(bp));
5130
5131 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100);
5132 msleep(30);
5133 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0);
5134
5135 bnx2x_init_block(bp, PXP_COMMON_START, PXP_COMMON_END);
5136 if (CHIP_IS_E1(bp)) {
5137 /* enable HW interrupt from PXP on USDM overflow
5138 bit 16 on INT_MASK_0 */
5139 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005140 }
5141
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005142 bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END);
5143 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005144
5145#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005146 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5147 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5148 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5149 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5150 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
5151 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005152
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005153/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5154 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5155 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5156 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5157 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005158#endif
5159
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005160 REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005161#ifdef BCM_ISCSI
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005162 REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5);
5163 REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5);
5164 REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005165#endif
5166
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005167 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5168 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005169
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005170 /* let the HW do it's magic ... */
5171 msleep(100);
5172 /* finish PXP init */
5173 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5174 if (val != 1) {
5175 BNX2X_ERR("PXP2 CFG failed\n");
5176 return -EBUSY;
5177 }
5178 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5179 if (val != 1) {
5180 BNX2X_ERR("PXP2 RD_INIT failed\n");
5181 return -EBUSY;
5182 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005183
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005184 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5185 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005186
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005187 bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005188
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005189 /* clean the DMAE memory */
5190 bp->dmae_ready = 1;
5191 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005192
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005193 bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END);
5194 bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END);
5195 bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END);
5196 bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005197
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005198 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5199 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5200 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5201 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5202
5203 bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END);
5204 /* soft reset pulse */
5205 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5206 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005207
5208#ifdef BCM_ISCSI
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005209 bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005210#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005211
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005212 bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END);
5213 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_SHIFT);
5214 if (!CHIP_REV_IS_SLOW(bp)) {
5215 /* enable hw interrupt from doorbell Q */
5216 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5217 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005218
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005219 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5220 if (CHIP_REV_IS_SLOW(bp)) {
5221 /* fix for emulation and FPGA for no pause */
5222 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0, 513);
5223 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_1, 513);
5224 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0, 0);
5225 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_1, 0);
5226 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005227
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005228 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005229 /* set NIC mode */
5230 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005231 if (CHIP_IS_E1H(bp))
5232 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_E1HMF(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005233
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005234 bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END);
5235 bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END);
5236 bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END);
5237 bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005238
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005239 if (CHIP_IS_E1H(bp)) {
5240 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5241 STORM_INTMEM_SIZE_E1H/2);
5242 bnx2x_init_fill(bp,
5243 TSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5244 0, STORM_INTMEM_SIZE_E1H/2);
5245 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5246 STORM_INTMEM_SIZE_E1H/2);
5247 bnx2x_init_fill(bp,
5248 CSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5249 0, STORM_INTMEM_SIZE_E1H/2);
5250 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5251 STORM_INTMEM_SIZE_E1H/2);
5252 bnx2x_init_fill(bp,
5253 XSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5254 0, STORM_INTMEM_SIZE_E1H/2);
5255 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5256 STORM_INTMEM_SIZE_E1H/2);
5257 bnx2x_init_fill(bp,
5258 USTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5259 0, STORM_INTMEM_SIZE_E1H/2);
5260 } else { /* E1 */
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005261 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5262 STORM_INTMEM_SIZE_E1);
5263 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5264 STORM_INTMEM_SIZE_E1);
5265 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5266 STORM_INTMEM_SIZE_E1);
5267 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5268 STORM_INTMEM_SIZE_E1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005269 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005270
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005271 bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END);
5272 bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END);
5273 bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END);
5274 bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005275
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005276 /* sync semi rtc */
5277 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5278 0x80000000);
5279 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5280 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005281
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005282 bnx2x_init_block(bp, UPB_COMMON_START, UPB_COMMON_END);
5283 bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END);
5284 bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005285
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005286 REG_WR(bp, SRC_REG_SOFT_RST, 1);
5287 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) {
5288 REG_WR(bp, i, 0xc0cac01a);
5289 /* TODO: replace with something meaningful */
5290 }
5291 if (CHIP_IS_E1H(bp))
5292 bnx2x_init_block(bp, SRCH_COMMON_START, SRCH_COMMON_END);
5293 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005294
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005295 if (sizeof(union cdu_context) != 1024)
5296 /* we currently assume that a context is 1024 bytes */
5297 printk(KERN_ALERT PFX "please adjust the size of"
5298 " cdu_context(%ld)\n", (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005299
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005300 bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END);
5301 val = (4 << 24) + (0 << 12) + 1024;
5302 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
5303 if (CHIP_IS_E1(bp)) {
5304 /* !!! fix pxp client crdit until excel update */
5305 REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264);
5306 REG_WR(bp, CDU_REG_CDU_DEBUG, 0);
5307 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005308
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005309 bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END);
5310 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005311
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005312 bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END);
5313 bnx2x_init_block(bp, MISC_AEU_COMMON_START, MISC_AEU_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005314
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005315 /* PXPCS COMMON comes here */
5316 /* Reset PCIE errors for debug */
5317 REG_WR(bp, 0x2814, 0xffffffff);
5318 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005319
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005320 /* EMAC0 COMMON comes here */
5321 /* EMAC1 COMMON comes here */
5322 /* DBU COMMON comes here */
5323 /* DBG COMMON comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005324
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005325 bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END);
5326 if (CHIP_IS_E1H(bp)) {
5327 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_E1HMF(bp));
5328 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_E1HMF(bp));
5329 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005330
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005331 if (CHIP_REV_IS_SLOW(bp))
5332 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005333
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005334 /* finish CFC init */
5335 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5336 if (val != 1) {
5337 BNX2X_ERR("CFC LL_INIT failed\n");
5338 return -EBUSY;
5339 }
5340 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5341 if (val != 1) {
5342 BNX2X_ERR("CFC AC_INIT failed\n");
5343 return -EBUSY;
5344 }
5345 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5346 if (val != 1) {
5347 BNX2X_ERR("CFC CAM_INIT failed\n");
5348 return -EBUSY;
5349 }
5350 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005351
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005352 /* read NIG statistic
5353 to see if this is our first up since powerup */
5354 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5355 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005356
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005357 /* do internal memory self test */
5358 if ((CHIP_IS_E1(bp)) && (val == 0) && bnx2x_int_mem_test(bp)) {
5359 BNX2X_ERR("internal mem self test failed\n");
5360 return -EBUSY;
5361 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005362
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005363 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
Eilon Greenstein7add9052008-08-25 15:20:48 -07005364 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005365 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5366 /* Fan failure is indicated by SPIO 5 */
5367 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
5368 MISC_REGISTERS_SPIO_INPUT_HI_Z);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005369
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005370 /* set to active low mode */
5371 val = REG_RD(bp, MISC_REG_SPIO_INT);
5372 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Eliezer Tamirf1410642008-02-28 11:51:50 -08005373 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005374 REG_WR(bp, MISC_REG_SPIO_INT, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005375
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005376 /* enable interrupt to signal the IGU */
5377 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
5378 val |= (1 << MISC_REGISTERS_SPIO_5);
5379 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
5380 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08005381
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005382 default:
5383 break;
5384 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08005385
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005386 /* clear PXP2 attentions */
5387 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005388
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005389 enable_blocks_attention(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005390
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005391 if (!BP_NOMCP(bp)) {
5392 bnx2x_acquire_phy_lock(bp);
5393 bnx2x_common_init_phy(bp, bp->common.shmem_base);
5394 bnx2x_release_phy_lock(bp);
5395 } else
5396 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5397
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005398 return 0;
5399}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005400
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005401static int bnx2x_init_port(struct bnx2x *bp)
5402{
5403 int port = BP_PORT(bp);
5404 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005405
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005406 DP(BNX2X_MSG_MCP, "starting port init port %x\n", port);
5407
5408 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005409
5410 /* Port PXP comes here */
5411 /* Port PXP2 comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005412#ifdef BCM_ISCSI
5413 /* Port0 1
5414 * Port1 385 */
5415 i++;
5416 wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping);
5417 wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping);
5418 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5419 REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i));
5420
5421 /* Port0 2
5422 * Port1 386 */
5423 i++;
5424 wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping);
5425 wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping);
5426 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5427 REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i));
5428
5429 /* Port0 3
5430 * Port1 387 */
5431 i++;
5432 wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping);
5433 wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping);
5434 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5435 REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i));
5436#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005437 /* Port CMs come here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005438
5439 /* Port QM comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005440#ifdef BCM_ISCSI
5441 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20);
5442 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31);
5443
5444 bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START,
5445 func ? TIMERS_PORT1_END : TIMERS_PORT0_END);
5446#endif
5447 /* Port DQ comes here */
5448 /* Port BRB1 comes here */
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005449 /* Port PRS comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005450 /* Port TSDM comes here */
5451 /* Port CSDM comes here */
5452 /* Port USDM comes here */
5453 /* Port XSDM comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005454 bnx2x_init_block(bp, port ? TSEM_PORT1_START : TSEM_PORT0_START,
5455 port ? TSEM_PORT1_END : TSEM_PORT0_END);
5456 bnx2x_init_block(bp, port ? USEM_PORT1_START : USEM_PORT0_START,
5457 port ? USEM_PORT1_END : USEM_PORT0_END);
5458 bnx2x_init_block(bp, port ? CSEM_PORT1_START : CSEM_PORT0_START,
5459 port ? CSEM_PORT1_END : CSEM_PORT0_END);
5460 bnx2x_init_block(bp, port ? XSEM_PORT1_START : XSEM_PORT0_START,
5461 port ? XSEM_PORT1_END : XSEM_PORT0_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005462 /* Port UPB comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005463 /* Port XPB comes here */
5464
5465 bnx2x_init_block(bp, port ? PBF_PORT1_START : PBF_PORT0_START,
5466 port ? PBF_PORT1_END : PBF_PORT0_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005467
5468 /* configure PBF to work without PAUSE mtu 9000 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005469 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005470
5471 /* update threshold */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005472 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005473 /* update init credit */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005474 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005475
5476 /* probe changes */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005477 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005478 msleep(5);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005479 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005480
5481#ifdef BCM_ISCSI
5482 /* tell the searcher where the T2 table is */
5483 REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64);
5484
5485 wb_write[0] = U64_LO(bp->t2_mapping);
5486 wb_write[1] = U64_HI(bp->t2_mapping);
5487 REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2);
5488 wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64);
5489 wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64);
5490 REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2);
5491
5492 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10);
5493 /* Port SRCH comes here */
5494#endif
5495 /* Port CDU comes here */
5496 /* Port CFC comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005497
5498 if (CHIP_IS_E1(bp)) {
5499 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5500 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5501 }
5502 bnx2x_init_block(bp, port ? HC_PORT1_START : HC_PORT0_START,
5503 port ? HC_PORT1_END : HC_PORT0_END);
5504
5505 bnx2x_init_block(bp, port ? MISC_AEU_PORT1_START :
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005506 MISC_AEU_PORT0_START,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005507 port ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END);
5508 /* init aeu_mask_attn_func_0/1:
5509 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5510 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5511 * bits 4-7 are used for "per vn group attention" */
5512 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4,
5513 (IS_E1HMF(bp) ? 0xF7 : 0x7));
5514
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005515 /* Port PXPCS comes here */
5516 /* Port EMAC0 comes here */
5517 /* Port EMAC1 comes here */
5518 /* Port DBU comes here */
5519 /* Port DBG comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005520 bnx2x_init_block(bp, port ? NIG_PORT1_START : NIG_PORT0_START,
5521 port ? NIG_PORT1_END : NIG_PORT0_END);
5522
5523 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5524
5525 if (CHIP_IS_E1H(bp)) {
5526 u32 wsum;
5527 struct cmng_struct_per_port m_cmng_port;
5528 int vn;
5529
5530 /* 0x2 disable e1hov, 0x1 enable */
5531 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
5532 (IS_E1HMF(bp) ? 0x1 : 0x2));
5533
5534 /* Init RATE SHAPING and FAIRNESS contexts.
5535 Initialize as if there is 10G link. */
5536 wsum = bnx2x_calc_vn_wsum(bp);
5537 bnx2x_init_port_minmax(bp, (int)wsum, 10000, &m_cmng_port);
5538 if (IS_E1HMF(bp))
5539 for (vn = VN_0; vn < E1HVN_MAX; vn++)
5540 bnx2x_init_vn_minmax(bp, 2*vn + port,
5541 wsum, 10000, &m_cmng_port);
5542 }
5543
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005544 /* Port MCP comes here */
5545 /* Port DMAE comes here */
5546
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005547 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
Eilon Greenstein7add9052008-08-25 15:20:48 -07005548 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
Eliezer Tamirf1410642008-02-28 11:51:50 -08005549 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5550 /* add SPIO 5 to group 0 */
5551 val = REG_RD(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5552 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
5553 REG_WR(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0, val);
5554 break;
5555
5556 default:
5557 break;
5558 }
5559
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07005560 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005561
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005562 return 0;
5563}
5564
5565#define ILT_PER_FUNC (768/2)
5566#define FUNC_ILT_BASE(func) (func * ILT_PER_FUNC)
5567/* the phys address is shifted right 12 bits and has an added
5568 1=valid bit added to the 53rd bit
5569 then since this is a wide register(TM)
5570 we split it into two 32 bit writes
5571 */
5572#define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF))
5573#define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44)))
5574#define PXP_ONE_ILT(x) (((x) << 10) | x)
5575#define PXP_ILT_RANGE(f, l) (((l) << 10) | f)
5576
5577#define CNIC_ILT_LINES 0
5578
5579static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5580{
5581 int reg;
5582
5583 if (CHIP_IS_E1H(bp))
5584 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5585 else /* E1 */
5586 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
5587
5588 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5589}
5590
5591static int bnx2x_init_func(struct bnx2x *bp)
5592{
5593 int port = BP_PORT(bp);
5594 int func = BP_FUNC(bp);
5595 int i;
5596
5597 DP(BNX2X_MSG_MCP, "starting func init func %x\n", func);
5598
5599 i = FUNC_ILT_BASE(func);
5600
5601 bnx2x_ilt_wr(bp, i, bnx2x_sp_mapping(bp, context));
5602 if (CHIP_IS_E1H(bp)) {
5603 REG_WR(bp, PXP2_REG_RQ_CDU_FIRST_ILT, i);
5604 REG_WR(bp, PXP2_REG_RQ_CDU_LAST_ILT, i + CNIC_ILT_LINES);
5605 } else /* E1 */
5606 REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4,
5607 PXP_ILT_RANGE(i, i + CNIC_ILT_LINES));
5608
5609
5610 if (CHIP_IS_E1H(bp)) {
5611 for (i = 0; i < 9; i++)
5612 bnx2x_init_block(bp,
5613 cm_start[func][i], cm_end[func][i]);
5614
5615 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
5616 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->e1hov);
5617 }
5618
5619 /* HC init per function */
5620 if (CHIP_IS_E1H(bp)) {
5621 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5622
5623 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5624 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5625 }
5626 bnx2x_init_block(bp, hc_limits[func][0], hc_limits[func][1]);
5627
5628 if (CHIP_IS_E1H(bp))
5629 REG_WR(bp, HC_REG_FUNC_NUM_P0 + port*4, func);
5630
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005631 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005632 REG_WR(bp, 0x2114, 0xffffffff);
5633 REG_WR(bp, 0x2120, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005634
5635 return 0;
5636}
5637
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005638static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5639{
5640 int i, rc = 0;
5641
5642 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
5643 BP_FUNC(bp), load_code);
5644
5645 bp->dmae_ready = 0;
5646 mutex_init(&bp->dmae_mutex);
5647 bnx2x_gunzip_init(bp);
5648
5649 switch (load_code) {
5650 case FW_MSG_CODE_DRV_LOAD_COMMON:
5651 rc = bnx2x_init_common(bp);
5652 if (rc)
5653 goto init_hw_err;
5654 /* no break */
5655
5656 case FW_MSG_CODE_DRV_LOAD_PORT:
5657 bp->dmae_ready = 1;
5658 rc = bnx2x_init_port(bp);
5659 if (rc)
5660 goto init_hw_err;
5661 /* no break */
5662
5663 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5664 bp->dmae_ready = 1;
5665 rc = bnx2x_init_func(bp);
5666 if (rc)
5667 goto init_hw_err;
5668 break;
5669
5670 default:
5671 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5672 break;
5673 }
5674
5675 if (!BP_NOMCP(bp)) {
5676 int func = BP_FUNC(bp);
5677
5678 bp->fw_drv_pulse_wr_seq =
5679 (SHMEM_RD(bp, func_mb[func].drv_pulse_mb) &
5680 DRV_PULSE_SEQ_MASK);
5681 bp->func_stx = SHMEM_RD(bp, func_mb[func].fw_mb_param);
5682 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x func_stx 0x%x\n",
5683 bp->fw_drv_pulse_wr_seq, bp->func_stx);
5684 } else
5685 bp->func_stx = 0;
5686
5687 /* this needs to be done before gunzip end */
5688 bnx2x_zero_def_sb(bp);
5689 for_each_queue(bp, i)
5690 bnx2x_zero_sb(bp, BP_L_ID(bp) + i);
5691
5692init_hw_err:
5693 bnx2x_gunzip_end(bp);
5694
5695 return rc;
5696}
5697
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005698/* send the MCP a request, block until there is a reply */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005699static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
5700{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005701 int func = BP_FUNC(bp);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005702 u32 seq = ++bp->fw_seq;
5703 u32 rc = 0;
Eilon Greenstein19680c42008-08-13 15:47:33 -07005704 u32 cnt = 1;
5705 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005706
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005707 SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq));
Eliezer Tamirf1410642008-02-28 11:51:50 -08005708 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005709
Eilon Greenstein19680c42008-08-13 15:47:33 -07005710 do {
5711 /* let the FW do it's magic ... */
5712 msleep(delay);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005713
Eilon Greenstein19680c42008-08-13 15:47:33 -07005714 rc = SHMEM_RD(bp, func_mb[func].fw_mb_header);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005715
Eilon Greenstein19680c42008-08-13 15:47:33 -07005716 /* Give the FW up to 2 second (200*10ms) */
5717 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 200));
5718
5719 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
5720 cnt*delay, rc, seq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005721
5722 /* is this a reply to our command? */
5723 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) {
5724 rc &= FW_MSG_CODE_MASK;
Eliezer Tamirf1410642008-02-28 11:51:50 -08005725
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005726 } else {
5727 /* FW BUG! */
5728 BNX2X_ERR("FW failed to respond!\n");
5729 bnx2x_fw_dump(bp);
5730 rc = 0;
5731 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08005732
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005733 return rc;
5734}
5735
5736static void bnx2x_free_mem(struct bnx2x *bp)
5737{
5738
5739#define BNX2X_PCI_FREE(x, y, size) \
5740 do { \
5741 if (x) { \
5742 pci_free_consistent(bp->pdev, size, x, y); \
5743 x = NULL; \
5744 y = 0; \
5745 } \
5746 } while (0)
5747
5748#define BNX2X_FREE(x) \
5749 do { \
5750 if (x) { \
5751 vfree(x); \
5752 x = NULL; \
5753 } \
5754 } while (0)
5755
5756 int i;
5757
5758 /* fastpath */
5759 for_each_queue(bp, i) {
5760
5761 /* Status blocks */
5762 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk),
5763 bnx2x_fp(bp, i, status_blk_mapping),
5764 sizeof(struct host_status_block) +
5765 sizeof(struct eth_tx_db_data));
5766
5767 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5768 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
5769 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
5770 bnx2x_fp(bp, i, tx_desc_mapping),
5771 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5772
5773 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5774 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5775 bnx2x_fp(bp, i, rx_desc_mapping),
5776 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5777
5778 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5779 bnx2x_fp(bp, i, rx_comp_mapping),
5780 sizeof(struct eth_fast_path_rx_cqe) *
5781 NUM_RCQ_BD);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005782
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005783 /* SGE ring */
Eilon Greenstein32626232008-08-13 15:51:07 -07005784 BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005785 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5786 bnx2x_fp(bp, i, rx_sge_mapping),
5787 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5788 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005789 /* end of fastpath */
5790
5791 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005792 sizeof(struct host_def_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005793
5794 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005795 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005796
5797#ifdef BCM_ISCSI
5798 BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024);
5799 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024);
5800 BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024);
5801 BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024);
5802#endif
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005803 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005804
5805#undef BNX2X_PCI_FREE
5806#undef BNX2X_KFREE
5807}
5808
5809static int bnx2x_alloc_mem(struct bnx2x *bp)
5810{
5811
5812#define BNX2X_PCI_ALLOC(x, y, size) \
5813 do { \
5814 x = pci_alloc_consistent(bp->pdev, size, y); \
5815 if (x == NULL) \
5816 goto alloc_mem_err; \
5817 memset(x, 0, size); \
5818 } while (0)
5819
5820#define BNX2X_ALLOC(x, size) \
5821 do { \
5822 x = vmalloc(size); \
5823 if (x == NULL) \
5824 goto alloc_mem_err; \
5825 memset(x, 0, size); \
5826 } while (0)
5827
5828 int i;
5829
5830 /* fastpath */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005831 for_each_queue(bp, i) {
5832 bnx2x_fp(bp, i, bp) = bp;
5833
5834 /* Status blocks */
5835 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk),
5836 &bnx2x_fp(bp, i, status_blk_mapping),
5837 sizeof(struct host_status_block) +
5838 sizeof(struct eth_tx_db_data));
5839
5840 bnx2x_fp(bp, i, hw_tx_prods) =
5841 (void *)(bnx2x_fp(bp, i, status_blk) + 1);
5842
5843 bnx2x_fp(bp, i, tx_prods_mapping) =
5844 bnx2x_fp(bp, i, status_blk_mapping) +
5845 sizeof(struct host_status_block);
5846
5847 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5848 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
5849 sizeof(struct sw_tx_bd) * NUM_TX_BD);
5850 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
5851 &bnx2x_fp(bp, i, tx_desc_mapping),
5852 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5853
5854 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
5855 sizeof(struct sw_rx_bd) * NUM_RX_BD);
5856 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
5857 &bnx2x_fp(bp, i, rx_desc_mapping),
5858 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5859
5860 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
5861 &bnx2x_fp(bp, i, rx_comp_mapping),
5862 sizeof(struct eth_fast_path_rx_cqe) *
5863 NUM_RCQ_BD);
5864
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005865 /* SGE ring */
5866 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
5867 sizeof(struct sw_rx_page) * NUM_RX_SGE);
5868 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
5869 &bnx2x_fp(bp, i, rx_sge_mapping),
5870 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005871 }
5872 /* end of fastpath */
5873
5874 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
5875 sizeof(struct host_def_status_block));
5876
5877 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5878 sizeof(struct bnx2x_slowpath));
5879
5880#ifdef BCM_ISCSI
5881 BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024);
5882
5883 /* Initialize T1 */
5884 for (i = 0; i < 64*1024; i += 64) {
5885 *(u64 *)((char *)bp->t1 + i + 56) = 0x0UL;
5886 *(u64 *)((char *)bp->t1 + i + 3) = 0x0UL;
5887 }
5888
5889 /* allocate searcher T2 table
5890 we allocate 1/4 of alloc num for T2
5891 (which is not entered into the ILT) */
5892 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024);
5893
5894 /* Initialize T2 */
5895 for (i = 0; i < 16*1024; i += 64)
5896 * (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64;
5897
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005898 /* now fixup the last line in the block to point to the next block */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005899 *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping;
5900
5901 /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */
5902 BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024);
5903
5904 /* QM queues (128*MAX_CONN) */
5905 BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024);
5906#endif
5907
5908 /* Slow path ring */
5909 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5910
5911 return 0;
5912
5913alloc_mem_err:
5914 bnx2x_free_mem(bp);
5915 return -ENOMEM;
5916
5917#undef BNX2X_PCI_ALLOC
5918#undef BNX2X_ALLOC
5919}
5920
5921static void bnx2x_free_tx_skbs(struct bnx2x *bp)
5922{
5923 int i;
5924
5925 for_each_queue(bp, i) {
5926 struct bnx2x_fastpath *fp = &bp->fp[i];
5927
5928 u16 bd_cons = fp->tx_bd_cons;
5929 u16 sw_prod = fp->tx_pkt_prod;
5930 u16 sw_cons = fp->tx_pkt_cons;
5931
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005932 while (sw_cons != sw_prod) {
5933 bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons));
5934 sw_cons++;
5935 }
5936 }
5937}
5938
5939static void bnx2x_free_rx_skbs(struct bnx2x *bp)
5940{
5941 int i, j;
5942
5943 for_each_queue(bp, j) {
5944 struct bnx2x_fastpath *fp = &bp->fp[j];
5945
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005946 for (i = 0; i < NUM_RX_BD; i++) {
5947 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i];
5948 struct sk_buff *skb = rx_buf->skb;
5949
5950 if (skb == NULL)
5951 continue;
5952
5953 pci_unmap_single(bp->pdev,
5954 pci_unmap_addr(rx_buf, mapping),
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07005955 bp->rx_buf_size,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005956 PCI_DMA_FROMDEVICE);
5957
5958 rx_buf->skb = NULL;
5959 dev_kfree_skb(skb);
5960 }
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005961 if (!fp->disable_tpa)
Eilon Greenstein32626232008-08-13 15:51:07 -07005962 bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ?
5963 ETH_MAX_AGGREGATION_QUEUES_E1 :
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005964 ETH_MAX_AGGREGATION_QUEUES_E1H);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005965 }
5966}
5967
5968static void bnx2x_free_skbs(struct bnx2x *bp)
5969{
5970 bnx2x_free_tx_skbs(bp);
5971 bnx2x_free_rx_skbs(bp);
5972}
5973
5974static void bnx2x_free_msix_irqs(struct bnx2x *bp)
5975{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005976 int i, offset = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005977
5978 free_irq(bp->msix_table[0].vector, bp->dev);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005979 DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005980 bp->msix_table[0].vector);
5981
5982 for_each_queue(bp, i) {
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005983 DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq "
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005984 "state %x\n", i, bp->msix_table[i + offset].vector,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005985 bnx2x_fp(bp, i, state));
5986
Eliezer Tamir228241e2008-02-28 11:56:57 -08005987 if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED)
5988 BNX2X_ERR("IRQ of fp #%d being freed while "
5989 "state != closed\n", i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005990
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005991 free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005992 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005993}
5994
5995static void bnx2x_free_irq(struct bnx2x *bp)
5996{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005997 if (bp->flags & USING_MSIX_FLAG) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005998 bnx2x_free_msix_irqs(bp);
5999 pci_disable_msix(bp->pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006000 bp->flags &= ~USING_MSIX_FLAG;
6001
6002 } else
6003 free_irq(bp->pdev->irq, bp->dev);
6004}
6005
6006static int bnx2x_enable_msix(struct bnx2x *bp)
6007{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006008 int i, rc, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006009
6010 bp->msix_table[0].entry = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006011 offset = 1;
6012 DP(NETIF_MSG_IFUP, "msix_table[0].entry = 0 (slowpath)\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006013
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006014 for_each_queue(bp, i) {
6015 int igu_vec = offset + i + BP_L_ID(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006016
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006017 bp->msix_table[i + offset].entry = igu_vec;
6018 DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d "
6019 "(fastpath #%u)\n", i + offset, igu_vec, i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006020 }
6021
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006022 rc = pci_enable_msix(bp->pdev, &bp->msix_table[0],
6023 bp->num_queues + offset);
6024 if (rc) {
6025 DP(NETIF_MSG_IFUP, "MSI-X is not attainable\n");
6026 return -1;
6027 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006028 bp->flags |= USING_MSIX_FLAG;
6029
6030 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006031}
6032
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006033static int bnx2x_req_msix_irqs(struct bnx2x *bp)
6034{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006035 int i, rc, offset = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006036
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006037 rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0,
6038 bp->dev->name, bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006039 if (rc) {
6040 BNX2X_ERR("request sp irq failed\n");
6041 return -EBUSY;
6042 }
6043
6044 for_each_queue(bp, i) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006045 rc = request_irq(bp->msix_table[i + offset].vector,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006046 bnx2x_msix_fp_int, 0,
6047 bp->dev->name, &bp->fp[i]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006048 if (rc) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07006049 BNX2X_ERR("request fp #%d irq failed rc -%d\n",
6050 i + offset, -rc);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006051 bnx2x_free_msix_irqs(bp);
6052 return -EBUSY;
6053 }
6054
6055 bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006056 }
6057
6058 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006059}
6060
6061static int bnx2x_req_irq(struct bnx2x *bp)
6062{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006063 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006064
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006065 rc = request_irq(bp->pdev->irq, bnx2x_interrupt, IRQF_SHARED,
6066 bp->dev->name, bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006067 if (!rc)
6068 bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ;
6069
6070 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006071}
6072
Yitchak Gertner65abd742008-08-25 15:26:24 -07006073static void bnx2x_napi_enable(struct bnx2x *bp)
6074{
6075 int i;
6076
6077 for_each_queue(bp, i)
6078 napi_enable(&bnx2x_fp(bp, i, napi));
6079}
6080
6081static void bnx2x_napi_disable(struct bnx2x *bp)
6082{
6083 int i;
6084
6085 for_each_queue(bp, i)
6086 napi_disable(&bnx2x_fp(bp, i, napi));
6087}
6088
6089static void bnx2x_netif_start(struct bnx2x *bp)
6090{
6091 if (atomic_dec_and_test(&bp->intr_sem)) {
6092 if (netif_running(bp->dev)) {
6093 if (bp->state == BNX2X_STATE_OPEN)
6094 netif_wake_queue(bp->dev);
6095 bnx2x_napi_enable(bp);
6096 bnx2x_int_enable(bp);
6097 }
6098 }
6099}
6100
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07006101static void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw)
Yitchak Gertner65abd742008-08-25 15:26:24 -07006102{
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07006103 bnx2x_int_disable_sync(bp, disable_hw);
Yitchak Gertner65abd742008-08-25 15:26:24 -07006104 if (netif_running(bp->dev)) {
6105 bnx2x_napi_disable(bp);
6106 netif_tx_disable(bp->dev);
6107 bp->dev->trans_start = jiffies; /* prevent tx timeout */
6108 }
6109}
6110
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006111/*
6112 * Init service functions
6113 */
6114
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006115static void bnx2x_set_mac_addr_e1(struct bnx2x *bp, int set)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006116{
6117 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006118 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006119
6120 /* CAM allocation
6121 * unicasts 0-31:port0 32-63:port1
6122 * multicast 64-127:port0 128-191:port1
6123 */
6124 config->hdr.length_6b = 2;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006125 config->hdr.offset = port ? 31 : 0;
6126 config->hdr.client_id = BP_CL_ID(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006127 config->hdr.reserved1 = 0;
6128
6129 /* primary MAC */
6130 config->config_table[0].cam_entry.msb_mac_addr =
6131 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6132 config->config_table[0].cam_entry.middle_mac_addr =
6133 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6134 config->config_table[0].cam_entry.lsb_mac_addr =
6135 swab16(*(u16 *)&bp->dev->dev_addr[4]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006136 config->config_table[0].cam_entry.flags = cpu_to_le16(port);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006137 if (set)
6138 config->config_table[0].target_table_entry.flags = 0;
6139 else
6140 CAM_INVALIDATE(config->config_table[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006141 config->config_table[0].target_table_entry.client_id = 0;
6142 config->config_table[0].target_table_entry.vlan_id = 0;
6143
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006144 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)\n",
6145 (set ? "setting" : "clearing"),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006146 config->config_table[0].cam_entry.msb_mac_addr,
6147 config->config_table[0].cam_entry.middle_mac_addr,
6148 config->config_table[0].cam_entry.lsb_mac_addr);
6149
6150 /* broadcast */
6151 config->config_table[1].cam_entry.msb_mac_addr = 0xffff;
6152 config->config_table[1].cam_entry.middle_mac_addr = 0xffff;
6153 config->config_table[1].cam_entry.lsb_mac_addr = 0xffff;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006154 config->config_table[1].cam_entry.flags = cpu_to_le16(port);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006155 if (set)
6156 config->config_table[1].target_table_entry.flags =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006157 TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST;
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006158 else
6159 CAM_INVALIDATE(config->config_table[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006160 config->config_table[1].target_table_entry.client_id = 0;
6161 config->config_table[1].target_table_entry.vlan_id = 0;
6162
6163 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6164 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6165 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6166}
6167
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006168static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp, int set)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006169{
6170 struct mac_configuration_cmd_e1h *config =
6171 (struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config);
6172
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006173 if (set && (bp->state != BNX2X_STATE_OPEN)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006174 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
6175 return;
6176 }
6177
6178 /* CAM allocation for E1H
6179 * unicasts: by func number
6180 * multicast: 20+FUNC*20, 20 each
6181 */
6182 config->hdr.length_6b = 1;
6183 config->hdr.offset = BP_FUNC(bp);
6184 config->hdr.client_id = BP_CL_ID(bp);
6185 config->hdr.reserved1 = 0;
6186
6187 /* primary MAC */
6188 config->config_table[0].msb_mac_addr =
6189 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6190 config->config_table[0].middle_mac_addr =
6191 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6192 config->config_table[0].lsb_mac_addr =
6193 swab16(*(u16 *)&bp->dev->dev_addr[4]);
6194 config->config_table[0].client_id = BP_L_ID(bp);
6195 config->config_table[0].vlan_id = 0;
6196 config->config_table[0].e1hov_id = cpu_to_le16(bp->e1hov);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006197 if (set)
6198 config->config_table[0].flags = BP_PORT(bp);
6199 else
6200 config->config_table[0].flags =
6201 MAC_CONFIGURATION_ENTRY_E1H_ACTION_TYPE;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006202
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006203 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) E1HOV %d CLID %d\n",
6204 (set ? "setting" : "clearing"),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006205 config->config_table[0].msb_mac_addr,
6206 config->config_table[0].middle_mac_addr,
6207 config->config_table[0].lsb_mac_addr, bp->e1hov, BP_L_ID(bp));
6208
6209 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6210 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6211 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6212}
6213
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006214static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6215 int *state_p, int poll)
6216{
6217 /* can take a while if any port is running */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006218 int cnt = 500;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006219
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006220 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6221 poll ? "polling" : "waiting", state, idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006222
6223 might_sleep();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006224 while (cnt--) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006225 if (poll) {
6226 bnx2x_rx_int(bp->fp, 10);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006227 /* if index is different from 0
6228 * the reply for some commands will
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006229 * be on the non default queue
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006230 */
6231 if (idx)
6232 bnx2x_rx_int(&bp->fp[idx], 10);
6233 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006234
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006235 mb(); /* state is changed by bnx2x_sp_event() */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006236 if (*state_p == state)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006237 return 0;
6238
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006239 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006240 }
6241
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006242 /* timeout! */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006243 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6244 poll ? "polling" : "waiting", state, idx);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006245#ifdef BNX2X_STOP_ON_ERROR
6246 bnx2x_panic();
6247#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006248
Eliezer Tamir49d66772008-02-28 11:53:13 -08006249 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006250}
6251
6252static int bnx2x_setup_leading(struct bnx2x *bp)
6253{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006254 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006255
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006256 /* reset IGU state */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006257 bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006258
6259 /* SETUP ramrod */
6260 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0);
6261
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006262 /* Wait for completion */
6263 rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006264
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006265 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006266}
6267
6268static int bnx2x_setup_multi(struct bnx2x *bp, int index)
6269{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006270 /* reset IGU state */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006271 bnx2x_ack_sb(bp, bp->fp[index].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006272
Eliezer Tamir228241e2008-02-28 11:56:57 -08006273 /* SETUP ramrod */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006274 bp->fp[index].state = BNX2X_FP_STATE_OPENING;
6275 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0);
6276
6277 /* Wait for completion */
6278 return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index,
Eliezer Tamir228241e2008-02-28 11:56:57 -08006279 &(bp->fp[index].state), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006280}
6281
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006282static int bnx2x_poll(struct napi_struct *napi, int budget);
6283static void bnx2x_set_rx_mode(struct net_device *dev);
6284
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006285/* must be called with rtnl_lock */
6286static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006287{
Eliezer Tamir228241e2008-02-28 11:56:57 -08006288 u32 load_code;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006289 int i, rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006290#ifdef BNX2X_STOP_ON_ERROR
6291 if (unlikely(bp->panic))
6292 return -EPERM;
6293#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006294
6295 bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;
6296
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006297 /* Send LOAD_REQUEST command to MCP
6298 Returns the type of LOAD command:
6299 if it is the first port to be initialized
6300 common blocks should be initialized, otherwise - not
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006301 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006302 if (!BP_NOMCP(bp)) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08006303 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ);
6304 if (!load_code) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006305 BNX2X_ERR("MCP response failure, aborting\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08006306 return -EBUSY;
6307 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006308 if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006309 return -EBUSY; /* other port in diagnostic mode */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006310
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006311 } else {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006312 int port = BP_PORT(bp);
6313
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006314 DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n",
6315 load_count[0], load_count[1], load_count[2]);
6316 load_count[0]++;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006317 load_count[1 + port]++;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006318 DP(NETIF_MSG_IFUP, "NO MCP new load counts %d, %d, %d\n",
6319 load_count[0], load_count[1], load_count[2]);
6320 if (load_count[0] == 1)
6321 load_code = FW_MSG_CODE_DRV_LOAD_COMMON;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006322 else if (load_count[1 + port] == 1)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006323 load_code = FW_MSG_CODE_DRV_LOAD_PORT;
6324 else
6325 load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006326 }
6327
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006328 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) ||
6329 (load_code == FW_MSG_CODE_DRV_LOAD_PORT))
6330 bp->port.pmf = 1;
6331 else
6332 bp->port.pmf = 0;
6333 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
6334
6335 /* if we can't use MSI-X we only need one fp,
6336 * so try to enable MSI-X with the requested number of fp's
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006337 * and fallback to inta with one fp
6338 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006339 if (use_inta) {
6340 bp->num_queues = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006341
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006342 } else {
6343 if ((use_multi > 1) && (use_multi <= BP_MAX_QUEUES(bp)))
6344 /* user requested number */
6345 bp->num_queues = use_multi;
6346
6347 else if (use_multi)
6348 bp->num_queues = min_t(u32, num_online_cpus(),
6349 BP_MAX_QUEUES(bp));
6350 else
6351 bp->num_queues = 1;
6352
6353 if (bnx2x_enable_msix(bp)) {
6354 /* failed to enable MSI-X */
6355 bp->num_queues = 1;
6356 if (use_multi)
6357 BNX2X_ERR("Multi requested but failed"
6358 " to enable MSI-X\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006359 }
6360 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006361 DP(NETIF_MSG_IFUP,
6362 "set number of queues to %d\n", bp->num_queues);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006363
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006364 if (bnx2x_alloc_mem(bp))
6365 return -ENOMEM;
6366
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006367 for_each_queue(bp, i)
6368 bnx2x_fp(bp, i, disable_tpa) =
6369 ((bp->flags & TPA_ENABLE_FLAG) == 0);
6370
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006371 if (bp->flags & USING_MSIX_FLAG) {
6372 rc = bnx2x_req_msix_irqs(bp);
6373 if (rc) {
6374 pci_disable_msix(bp->pdev);
6375 goto load_error;
6376 }
6377 } else {
6378 bnx2x_ack_int(bp);
6379 rc = bnx2x_req_irq(bp);
6380 if (rc) {
6381 BNX2X_ERR("IRQ request failed, aborting\n");
6382 goto load_error;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006383 }
6384 }
6385
6386 for_each_queue(bp, i)
6387 netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
6388 bnx2x_poll, 128);
6389
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006390 /* Initialize HW */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006391 rc = bnx2x_init_hw(bp, load_code);
6392 if (rc) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006393 BNX2X_ERR("HW init failed, aborting\n");
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006394 goto load_int_disable;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006395 }
6396
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006397 /* Setup NIC internals and enable interrupts */
Eilon Greenstein471de712008-08-13 15:49:35 -07006398 bnx2x_nic_init(bp, load_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006399
6400 /* Send LOAD_DONE command to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006401 if (!BP_NOMCP(bp)) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08006402 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE);
6403 if (!load_code) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006404 BNX2X_ERR("MCP response failure, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006405 rc = -EBUSY;
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006406 goto load_rings_free;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006407 }
6408 }
6409
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07006410 bnx2x_stats_init(bp);
6411
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006412 bp->state = BNX2X_STATE_OPENING_WAIT4_PORT;
6413
6414 /* Enable Rx interrupt handling before sending the ramrod
6415 as it's completed on Rx FP queue */
Yitchak Gertner65abd742008-08-25 15:26:24 -07006416 bnx2x_napi_enable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006417
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006418 /* Enable interrupt handling */
6419 atomic_set(&bp->intr_sem, 0);
6420
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006421 rc = bnx2x_setup_leading(bp);
6422 if (rc) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006423 BNX2X_ERR("Setup leading failed!\n");
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006424 goto load_netif_stop;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006425 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006426
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006427 if (CHIP_IS_E1H(bp))
6428 if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) {
6429 BNX2X_ERR("!!! mf_cfg function disabled\n");
6430 bp->state = BNX2X_STATE_DISABLED;
6431 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006432
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006433 if (bp->state == BNX2X_STATE_OPEN)
6434 for_each_nondefault_queue(bp, i) {
6435 rc = bnx2x_setup_multi(bp, i);
6436 if (rc)
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006437 goto load_netif_stop;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006438 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006439
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006440 if (CHIP_IS_E1(bp))
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006441 bnx2x_set_mac_addr_e1(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006442 else
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006443 bnx2x_set_mac_addr_e1h(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006444
6445 if (bp->port.pmf)
6446 bnx2x_initial_phy_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006447
6448 /* Start fast path */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006449 switch (load_mode) {
6450 case LOAD_NORMAL:
6451 /* Tx queue should be only reenabled */
6452 netif_wake_queue(bp->dev);
6453 bnx2x_set_rx_mode(bp->dev);
6454 break;
6455
6456 case LOAD_OPEN:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006457 netif_start_queue(bp->dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006458 bnx2x_set_rx_mode(bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006459 if (bp->flags & USING_MSIX_FLAG)
6460 printk(KERN_INFO PFX "%s: using MSI-X\n",
6461 bp->dev->name);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006462 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006463
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006464 case LOAD_DIAG:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006465 bnx2x_set_rx_mode(bp->dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006466 bp->state = BNX2X_STATE_DIAG;
6467 break;
6468
6469 default:
6470 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006471 }
6472
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006473 if (!bp->port.pmf)
6474 bnx2x__link_status_update(bp);
6475
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006476 /* start the timer */
6477 mod_timer(&bp->timer, jiffies + bp->current_interval);
6478
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006479
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006480 return 0;
6481
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006482load_netif_stop:
Yitchak Gertner65abd742008-08-25 15:26:24 -07006483 bnx2x_napi_disable(bp);
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006484load_rings_free:
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006485 /* Free SKBs, SGEs, TPA pool and driver internals */
6486 bnx2x_free_skbs(bp);
6487 for_each_queue(bp, i)
Eilon Greenstein3196a882008-08-13 15:58:49 -07006488 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006489load_int_disable:
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07006490 bnx2x_int_disable_sync(bp, 1);
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006491 /* Release IRQs */
6492 bnx2x_free_irq(bp);
Eliezer Tamir228241e2008-02-28 11:56:57 -08006493load_error:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006494 bnx2x_free_mem(bp);
Eilon Greenstein9a035442008-11-03 16:45:55 -08006495 bp->port.pmf = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006496
6497 /* TBD we really need to reset the chip
6498 if we want to recover from this */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006499 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006500}
6501
6502static int bnx2x_stop_multi(struct bnx2x *bp, int index)
6503{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006504 int rc;
6505
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006506 /* halt the connection */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006507 bp->fp[index].state = BNX2X_FP_STATE_HALTING;
Yitchak Gertner231fd582008-08-25 15:27:06 -07006508 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, index, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006509
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006510 /* Wait for completion */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006511 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006512 &(bp->fp[index].state), 1);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006513 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006514 return rc;
6515
6516 /* delete cfc entry */
6517 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1);
6518
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006519 /* Wait for completion */
6520 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index,
6521 &(bp->fp[index].state), 1);
6522 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006523}
6524
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006525static int bnx2x_stop_leading(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006526{
Eliezer Tamir49d66772008-02-28 11:53:13 -08006527 u16 dsb_sp_prod_idx;
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006528 /* if the other port is handling traffic,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006529 this can take a lot of time */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006530 int cnt = 500;
6531 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006532
6533 might_sleep();
6534
6535 /* Send HALT ramrod */
6536 bp->fp[0].state = BNX2X_FP_STATE_HALTING;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006537 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, BP_CL_ID(bp), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006538
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006539 /* Wait for completion */
6540 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0,
6541 &(bp->fp[0].state), 1);
6542 if (rc) /* timeout */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006543 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006544
Eliezer Tamir49d66772008-02-28 11:53:13 -08006545 dsb_sp_prod_idx = *bp->dsb_sp_prod;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006546
Eliezer Tamir228241e2008-02-28 11:56:57 -08006547 /* Send PORT_DELETE ramrod */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006548 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1);
6549
Eliezer Tamir49d66772008-02-28 11:53:13 -08006550 /* Wait for completion to arrive on default status block
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006551 we are going to reset the chip anyway
6552 so there is not much to do if this times out
6553 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006554 while (dsb_sp_prod_idx == *bp->dsb_sp_prod) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006555 if (!cnt) {
6556 DP(NETIF_MSG_IFDOWN, "timeout waiting for port del "
6557 "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n",
6558 *bp->dsb_sp_prod, dsb_sp_prod_idx);
6559#ifdef BNX2X_STOP_ON_ERROR
6560 bnx2x_panic();
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006561#else
6562 rc = -EBUSY;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006563#endif
6564 break;
6565 }
6566 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006567 msleep(1);
Eliezer Tamir49d66772008-02-28 11:53:13 -08006568 }
6569 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
6570 bp->fp[0].state = BNX2X_FP_STATE_CLOSED;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006571
6572 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006573}
6574
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006575static void bnx2x_reset_func(struct bnx2x *bp)
6576{
6577 int port = BP_PORT(bp);
6578 int func = BP_FUNC(bp);
6579 int base, i;
Eliezer Tamir49d66772008-02-28 11:53:13 -08006580
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006581 /* Configure IGU */
6582 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6583 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6584
6585 REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000);
6586
6587 /* Clear ILT */
6588 base = FUNC_ILT_BASE(func);
6589 for (i = base; i < base + ILT_PER_FUNC; i++)
6590 bnx2x_ilt_wr(bp, i, 0);
6591}
6592
6593static void bnx2x_reset_port(struct bnx2x *bp)
6594{
6595 int port = BP_PORT(bp);
6596 u32 val;
6597
6598 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6599
6600 /* Do not rcv packets to BRB */
6601 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6602 /* Do not direct rcv packets that are not for MCP to the BRB */
6603 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6604 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6605
6606 /* Configure AEU */
6607 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6608
6609 msleep(100);
6610 /* Check for BRB port occupancy */
6611 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6612 if (val)
6613 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07006614 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006615
6616 /* TODO: Close Doorbell port? */
6617}
6618
6619static void bnx2x_reset_common(struct bnx2x *bp)
6620{
6621 /* reset_common */
6622 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6623 0xd3ffff7f);
6624 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
6625}
6626
6627static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6628{
6629 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
6630 BP_FUNC(bp), reset_code);
6631
6632 switch (reset_code) {
6633 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
6634 bnx2x_reset_port(bp);
6635 bnx2x_reset_func(bp);
6636 bnx2x_reset_common(bp);
6637 break;
6638
6639 case FW_MSG_CODE_DRV_UNLOAD_PORT:
6640 bnx2x_reset_port(bp);
6641 bnx2x_reset_func(bp);
6642 break;
6643
6644 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
6645 bnx2x_reset_func(bp);
6646 break;
6647
6648 default:
6649 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
6650 break;
6651 }
6652}
6653
Eilon Greenstein33471622008-08-13 15:59:08 -07006654/* must be called with rtnl_lock */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006655static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006656{
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006657 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006658 u32 reset_code = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006659 int i, cnt, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006660
6661 bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;
6662
Eliezer Tamir228241e2008-02-28 11:56:57 -08006663 bp->rx_mode = BNX2X_RX_MODE_NONE;
6664 bnx2x_set_storm_rx_mode(bp);
6665
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07006666 bnx2x_netif_stop(bp, 1);
Yitchak Gertner65abd742008-08-25 15:26:24 -07006667 if (!netif_running(bp->dev))
6668 bnx2x_napi_disable(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006669 del_timer_sync(&bp->timer);
6670 SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb,
6671 (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq));
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07006672 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006673
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006674 /* Wait until tx fast path tasks complete */
Eliezer Tamir228241e2008-02-28 11:56:57 -08006675 for_each_queue(bp, i) {
6676 struct bnx2x_fastpath *fp = &bp->fp[i];
6677
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006678 cnt = 1000;
6679 smp_rmb();
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006680 while (BNX2X_HAS_TX_WORK(fp)) {
6681
Yitchak Gertner65abd742008-08-25 15:26:24 -07006682 bnx2x_tx_int(fp, 1000);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006683 if (!cnt) {
6684 BNX2X_ERR("timeout waiting for queue[%d]\n",
6685 i);
6686#ifdef BNX2X_STOP_ON_ERROR
6687 bnx2x_panic();
6688 return -EBUSY;
6689#else
6690 break;
6691#endif
6692 }
6693 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006694 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006695 smp_rmb();
6696 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08006697 }
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006698 /* Give HW time to discard old tx messages */
6699 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006700
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006701 /* Release IRQs */
6702 bnx2x_free_irq(bp);
6703
Yitchak Gertner65abd742008-08-25 15:26:24 -07006704 if (CHIP_IS_E1(bp)) {
6705 struct mac_configuration_cmd *config =
6706 bnx2x_sp(bp, mcast_config);
6707
6708 bnx2x_set_mac_addr_e1(bp, 0);
6709
6710 for (i = 0; i < config->hdr.length_6b; i++)
6711 CAM_INVALIDATE(config->config_table[i]);
6712
6713 config->hdr.length_6b = i;
6714 if (CHIP_REV_IS_SLOW(bp))
6715 config->hdr.offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
6716 else
6717 config->hdr.offset = BNX2X_MAX_MULTICAST*(1 + port);
6718 config->hdr.client_id = BP_CL_ID(bp);
6719 config->hdr.reserved1 = 0;
6720
6721 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6722 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
6723 U64_LO(bnx2x_sp_mapping(bp, mcast_config)), 0);
6724
6725 } else { /* E1H */
6726 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
6727
6728 bnx2x_set_mac_addr_e1h(bp, 0);
6729
6730 for (i = 0; i < MC_HASH_SIZE; i++)
6731 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
6732 }
6733
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006734 if (unload_mode == UNLOAD_NORMAL)
6735 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006736
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006737 else if (bp->flags & NO_WOL_FLAG) {
6738 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
6739 if (CHIP_IS_E1H(bp))
6740 REG_WR(bp, MISC_REG_E1HMF_MODE, 0);
6741
6742 } else if (bp->wol) {
6743 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006744 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006745 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006746 /* The mac address is written to entries 1-4 to
6747 preserve entry 0 which is used by the PMF */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006748 u8 entry = (BP_E1HVN(bp) + 1)*8;
6749
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006750 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07006751 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006752
6753 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
6754 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07006755 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006756
6757 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006758
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006759 } else
6760 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6761
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006762 /* Close multi and leading connections
6763 Completions for ramrods are collected in a synchronous way */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006764 for_each_nondefault_queue(bp, i)
6765 if (bnx2x_stop_multi(bp, i))
Eliezer Tamir228241e2008-02-28 11:56:57 -08006766 goto unload_error;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006767
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006768 rc = bnx2x_stop_leading(bp);
6769 if (rc) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006770 BNX2X_ERR("Stop leading failed!\n");
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006771#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006772 return -EBUSY;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006773#else
6774 goto unload_error;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006775#endif
Eliezer Tamir228241e2008-02-28 11:56:57 -08006776 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006777
Eliezer Tamir228241e2008-02-28 11:56:57 -08006778unload_error:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006779 if (!BP_NOMCP(bp))
Eliezer Tamir228241e2008-02-28 11:56:57 -08006780 reset_code = bnx2x_fw_command(bp, reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006781 else {
6782 DP(NETIF_MSG_IFDOWN, "NO MCP load counts %d, %d, %d\n",
6783 load_count[0], load_count[1], load_count[2]);
6784 load_count[0]--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006785 load_count[1 + port]--;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006786 DP(NETIF_MSG_IFDOWN, "NO MCP new load counts %d, %d, %d\n",
6787 load_count[0], load_count[1], load_count[2]);
6788 if (load_count[0] == 0)
6789 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006790 else if (load_count[1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006791 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
6792 else
6793 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
6794 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006795
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006796 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
6797 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
6798 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006799
6800 /* Reset the chip */
Eliezer Tamir228241e2008-02-28 11:56:57 -08006801 bnx2x_reset_chip(bp, reset_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006802
6803 /* Report UNLOAD_DONE to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006804 if (!BP_NOMCP(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006805 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
Eilon Greenstein9a035442008-11-03 16:45:55 -08006806 bp->port.pmf = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006807
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006808 /* Free SKBs, SGEs, TPA pool and driver internals */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006809 bnx2x_free_skbs(bp);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006810 for_each_queue(bp, i)
Eilon Greenstein3196a882008-08-13 15:58:49 -07006811 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006812 bnx2x_free_mem(bp);
6813
6814 bp->state = BNX2X_STATE_CLOSED;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006815
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006816 netif_carrier_off(bp->dev);
6817
6818 return 0;
6819}
6820
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006821static void bnx2x_reset_task(struct work_struct *work)
6822{
6823 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task);
6824
6825#ifdef BNX2X_STOP_ON_ERROR
6826 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
6827 " so reset not done to allow debug dump,\n"
6828 KERN_ERR " you will need to reboot when done\n");
6829 return;
6830#endif
6831
6832 rtnl_lock();
6833
6834 if (!netif_running(bp->dev))
6835 goto reset_task_exit;
6836
6837 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
6838 bnx2x_nic_load(bp, LOAD_NORMAL);
6839
6840reset_task_exit:
6841 rtnl_unlock();
6842}
6843
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006844/* end of nic load/unload */
6845
6846/* ethtool_ops */
6847
6848/*
6849 * Init service functions
6850 */
6851
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006852static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006853{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006854 u32 val;
6855
6856 /* Check if there is any driver already loaded */
6857 val = REG_RD(bp, MISC_REG_UNPREPARED);
6858 if (val == 0x1) {
6859 /* Check if it is the UNDI driver
6860 * UNDI driver initializes CID offset for normal bell to 0x7
6861 */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07006862 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006863 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
Eilon Greenstein76b190c2008-08-25 15:22:46 -07006864 if (val == 0x7)
6865 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
6866 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
6867
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006868 if (val == 0x7) {
6869 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006870 /* save our func */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006871 int func = BP_FUNC(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006872 u32 swap_en;
6873 u32 swap_val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006874
6875 BNX2X_DEV_INFO("UNDI is active! reset device\n");
6876
6877 /* try unload UNDI on port 0 */
6878 bp->func = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006879 bp->fw_seq =
6880 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6881 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006882 reset_code = bnx2x_fw_command(bp, reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006883
6884 /* if UNDI is loaded on the other port */
6885 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
6886
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006887 /* send "DONE" for previous unload */
6888 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6889
6890 /* unload UNDI on port 1 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006891 bp->func = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006892 bp->fw_seq =
6893 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6894 DRV_MSG_SEQ_NUMBER_MASK);
6895 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006896
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006897 bnx2x_fw_command(bp, reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006898 }
6899
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006900 REG_WR(bp, (BP_PORT(bp) ? HC_REG_CONFIG_1 :
6901 HC_REG_CONFIG_0), 0x1000);
6902
6903 /* close input traffic and wait for it */
6904 /* Do not rcv packets to BRB */
6905 REG_WR(bp,
6906 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
6907 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
6908 /* Do not direct rcv packets that are not for MCP to
6909 * the BRB */
6910 REG_WR(bp,
6911 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
6912 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6913 /* clear AEU */
6914 REG_WR(bp,
6915 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
6916 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
6917 msleep(10);
6918
6919 /* save NIG port swap info */
6920 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
6921 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006922 /* reset device */
6923 REG_WR(bp,
6924 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006925 0xd3ffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006926 REG_WR(bp,
6927 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
6928 0x1403);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006929 /* take the NIG out of reset and restore swap values */
6930 REG_WR(bp,
6931 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6932 MISC_REGISTERS_RESET_REG_1_RST_NIG);
6933 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
6934 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
6935
6936 /* send unload done to the MCP */
6937 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6938
6939 /* restore our func and fw_seq */
6940 bp->func = func;
6941 bp->fw_seq =
6942 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6943 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006944 }
6945 }
6946}
6947
6948static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
6949{
6950 u32 val, val2, val3, val4, id;
Eilon Greenstein72ce58c32008-08-13 15:52:46 -07006951 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006952
6953 /* Get the chip revision id and number. */
6954 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
6955 val = REG_RD(bp, MISC_REG_CHIP_NUM);
6956 id = ((val & 0xffff) << 16);
6957 val = REG_RD(bp, MISC_REG_CHIP_REV);
6958 id |= ((val & 0xf) << 12);
6959 val = REG_RD(bp, MISC_REG_CHIP_METAL);
6960 id |= ((val & 0xff) << 4);
6961 REG_RD(bp, MISC_REG_BOND_ID);
6962 id |= (val & 0xf);
6963 bp->common.chip_id = id;
6964 bp->link_params.chip_id = bp->common.chip_id;
6965 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
6966
6967 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
6968 bp->common.flash_size = (NVRAM_1MB_SIZE <<
6969 (val & MCPR_NVM_CFG4_FLASH_SIZE));
6970 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
6971 bp->common.flash_size, bp->common.flash_size);
6972
6973 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
6974 bp->link_params.shmem_base = bp->common.shmem_base;
6975 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
6976
6977 if (!bp->common.shmem_base ||
6978 (bp->common.shmem_base < 0xA0000) ||
6979 (bp->common.shmem_base >= 0xC0000)) {
6980 BNX2X_DEV_INFO("MCP not active\n");
6981 bp->flags |= NO_MCP_FLAG;
6982 return;
6983 }
6984
6985 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
6986 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6987 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6988 BNX2X_ERR("BAD MCP validity signature\n");
6989
6990 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
6991 bp->common.board = SHMEM_RD(bp, dev_info.shared_hw_config.board);
6992
6993 BNX2X_DEV_INFO("hw_config 0x%08x board 0x%08x\n",
6994 bp->common.hw_config, bp->common.board);
6995
6996 bp->link_params.hw_led_mode = ((bp->common.hw_config &
6997 SHARED_HW_CFG_LED_MODE_MASK) >>
6998 SHARED_HW_CFG_LED_MODE_SHIFT);
6999
7000 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
7001 bp->common.bc_ver = val;
7002 BNX2X_DEV_INFO("bc_ver %X\n", val);
7003 if (val < BNX2X_BC_VER) {
7004 /* for now only warn
7005 * later we might need to enforce this */
7006 BNX2X_ERR("This driver needs bc_ver %X but found %X,"
7007 " please upgrade BC\n", BNX2X_BC_VER, val);
7008 }
Eilon Greenstein72ce58c32008-08-13 15:52:46 -07007009
7010 if (BP_E1HVN(bp) == 0) {
7011 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
7012 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
7013 } else {
7014 /* no WOL capability for E1HVN != 0 */
7015 bp->flags |= NO_WOL_FLAG;
7016 }
7017 BNX2X_DEV_INFO("%sWoL capable\n",
7018 (bp->flags & NO_WOL_FLAG) ? "Not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007019
7020 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
7021 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
7022 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
7023 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
7024
7025 printk(KERN_INFO PFX "part number %X-%X-%X-%X\n",
7026 val, val2, val3, val4);
7027}
7028
7029static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
7030 u32 switch_cfg)
7031{
7032 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007033 u32 ext_phy_type;
7034
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007035 switch (switch_cfg) {
7036 case SWITCH_CFG_1G:
7037 BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg);
7038
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007039 ext_phy_type =
7040 SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007041 switch (ext_phy_type) {
7042 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
7043 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7044 ext_phy_type);
7045
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007046 bp->port.supported |= (SUPPORTED_10baseT_Half |
7047 SUPPORTED_10baseT_Full |
7048 SUPPORTED_100baseT_Half |
7049 SUPPORTED_100baseT_Full |
7050 SUPPORTED_1000baseT_Full |
7051 SUPPORTED_2500baseX_Full |
7052 SUPPORTED_TP |
7053 SUPPORTED_FIBRE |
7054 SUPPORTED_Autoneg |
7055 SUPPORTED_Pause |
7056 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007057 break;
7058
7059 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
7060 BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n",
7061 ext_phy_type);
7062
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007063 bp->port.supported |= (SUPPORTED_10baseT_Half |
7064 SUPPORTED_10baseT_Full |
7065 SUPPORTED_100baseT_Half |
7066 SUPPORTED_100baseT_Full |
7067 SUPPORTED_1000baseT_Full |
7068 SUPPORTED_TP |
7069 SUPPORTED_FIBRE |
7070 SUPPORTED_Autoneg |
7071 SUPPORTED_Pause |
7072 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007073 break;
7074
7075 default:
7076 BNX2X_ERR("NVRAM config error. "
7077 "BAD SerDes ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007078 bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007079 return;
7080 }
7081
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007082 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
7083 port*0x10);
7084 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007085 break;
7086
7087 case SWITCH_CFG_10G:
7088 BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg);
7089
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007090 ext_phy_type =
7091 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007092 switch (ext_phy_type) {
7093 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7094 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7095 ext_phy_type);
7096
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007097 bp->port.supported |= (SUPPORTED_10baseT_Half |
7098 SUPPORTED_10baseT_Full |
7099 SUPPORTED_100baseT_Half |
7100 SUPPORTED_100baseT_Full |
7101 SUPPORTED_1000baseT_Full |
7102 SUPPORTED_2500baseX_Full |
7103 SUPPORTED_10000baseT_Full |
7104 SUPPORTED_TP |
7105 SUPPORTED_FIBRE |
7106 SUPPORTED_Autoneg |
7107 SUPPORTED_Pause |
7108 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007109 break;
7110
7111 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007112 BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007113 ext_phy_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007114
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007115 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7116 SUPPORTED_FIBRE |
7117 SUPPORTED_Pause |
7118 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007119 break;
7120
Eliezer Tamirf1410642008-02-28 11:51:50 -08007121 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7122 BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n",
7123 ext_phy_type);
7124
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007125 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7126 SUPPORTED_1000baseT_Full |
7127 SUPPORTED_FIBRE |
7128 SUPPORTED_Pause |
7129 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007130 break;
7131
7132 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
7133 BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n",
7134 ext_phy_type);
7135
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007136 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7137 SUPPORTED_1000baseT_Full |
7138 SUPPORTED_FIBRE |
7139 SUPPORTED_Autoneg |
7140 SUPPORTED_Pause |
7141 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007142 break;
7143
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007144 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
7145 BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n",
7146 ext_phy_type);
7147
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007148 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7149 SUPPORTED_2500baseX_Full |
7150 SUPPORTED_1000baseT_Full |
7151 SUPPORTED_FIBRE |
7152 SUPPORTED_Autoneg |
7153 SUPPORTED_Pause |
7154 SUPPORTED_Asym_Pause);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007155 break;
7156
Eliezer Tamirf1410642008-02-28 11:51:50 -08007157 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7158 BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n",
7159 ext_phy_type);
7160
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007161 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7162 SUPPORTED_TP |
7163 SUPPORTED_Autoneg |
7164 SUPPORTED_Pause |
7165 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007166 break;
7167
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007168 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7169 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7170 bp->link_params.ext_phy_config);
7171 break;
7172
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007173 default:
7174 BNX2X_ERR("NVRAM config error. "
7175 "BAD XGXS ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007176 bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007177 return;
7178 }
7179
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007180 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
7181 port*0x18);
7182 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007183
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007184 break;
7185
7186 default:
7187 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007188 bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007189 return;
7190 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007191 bp->link_params.phy_addr = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007192
7193 /* mask what we support according to speed_cap_mask */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007194 if (!(bp->link_params.speed_cap_mask &
7195 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007196 bp->port.supported &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007197
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007198 if (!(bp->link_params.speed_cap_mask &
7199 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007200 bp->port.supported &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007201
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007202 if (!(bp->link_params.speed_cap_mask &
7203 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007204 bp->port.supported &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007205
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007206 if (!(bp->link_params.speed_cap_mask &
7207 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007208 bp->port.supported &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007209
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007210 if (!(bp->link_params.speed_cap_mask &
7211 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007212 bp->port.supported &= ~(SUPPORTED_1000baseT_Half |
7213 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007214
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007215 if (!(bp->link_params.speed_cap_mask &
7216 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007217 bp->port.supported &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007218
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007219 if (!(bp->link_params.speed_cap_mask &
7220 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007221 bp->port.supported &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007222
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007223 BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007224}
7225
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007226static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007227{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007228 bp->link_params.req_duplex = DUPLEX_FULL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007229
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007230 switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007231 case PORT_FEATURE_LINK_SPEED_AUTO:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007232 if (bp->port.supported & SUPPORTED_Autoneg) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007233 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007234 bp->port.advertising = bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007235 } else {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007236 u32 ext_phy_type =
7237 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7238
7239 if ((ext_phy_type ==
7240 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
7241 (ext_phy_type ==
7242 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007243 /* force 10G, no AN */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007244 bp->link_params.req_line_speed = SPEED_10000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007245 bp->port.advertising =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007246 (ADVERTISED_10000baseT_Full |
7247 ADVERTISED_FIBRE);
7248 break;
7249 }
7250 BNX2X_ERR("NVRAM config error. "
7251 "Invalid link_config 0x%x"
7252 " Autoneg not supported\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007253 bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007254 return;
7255 }
7256 break;
7257
7258 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007259 if (bp->port.supported & SUPPORTED_10baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007260 bp->link_params.req_line_speed = SPEED_10;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007261 bp->port.advertising = (ADVERTISED_10baseT_Full |
7262 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007263 } else {
7264 BNX2X_ERR("NVRAM config error. "
7265 "Invalid link_config 0x%x"
7266 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007267 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007268 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007269 return;
7270 }
7271 break;
7272
7273 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007274 if (bp->port.supported & SUPPORTED_10baseT_Half) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007275 bp->link_params.req_line_speed = SPEED_10;
7276 bp->link_params.req_duplex = DUPLEX_HALF;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007277 bp->port.advertising = (ADVERTISED_10baseT_Half |
7278 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007279 } else {
7280 BNX2X_ERR("NVRAM config error. "
7281 "Invalid link_config 0x%x"
7282 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007283 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007284 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007285 return;
7286 }
7287 break;
7288
7289 case PORT_FEATURE_LINK_SPEED_100M_FULL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007290 if (bp->port.supported & SUPPORTED_100baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007291 bp->link_params.req_line_speed = SPEED_100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007292 bp->port.advertising = (ADVERTISED_100baseT_Full |
7293 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007294 } else {
7295 BNX2X_ERR("NVRAM config error. "
7296 "Invalid link_config 0x%x"
7297 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007298 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007299 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007300 return;
7301 }
7302 break;
7303
7304 case PORT_FEATURE_LINK_SPEED_100M_HALF:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007305 if (bp->port.supported & SUPPORTED_100baseT_Half) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007306 bp->link_params.req_line_speed = SPEED_100;
7307 bp->link_params.req_duplex = DUPLEX_HALF;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007308 bp->port.advertising = (ADVERTISED_100baseT_Half |
7309 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007310 } else {
7311 BNX2X_ERR("NVRAM config error. "
7312 "Invalid link_config 0x%x"
7313 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007314 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007315 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007316 return;
7317 }
7318 break;
7319
7320 case PORT_FEATURE_LINK_SPEED_1G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007321 if (bp->port.supported & SUPPORTED_1000baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007322 bp->link_params.req_line_speed = SPEED_1000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007323 bp->port.advertising = (ADVERTISED_1000baseT_Full |
7324 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007325 } else {
7326 BNX2X_ERR("NVRAM config error. "
7327 "Invalid link_config 0x%x"
7328 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007329 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007330 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007331 return;
7332 }
7333 break;
7334
7335 case PORT_FEATURE_LINK_SPEED_2_5G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007336 if (bp->port.supported & SUPPORTED_2500baseX_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007337 bp->link_params.req_line_speed = SPEED_2500;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007338 bp->port.advertising = (ADVERTISED_2500baseX_Full |
7339 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007340 } else {
7341 BNX2X_ERR("NVRAM config error. "
7342 "Invalid link_config 0x%x"
7343 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007344 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007345 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007346 return;
7347 }
7348 break;
7349
7350 case PORT_FEATURE_LINK_SPEED_10G_CX4:
7351 case PORT_FEATURE_LINK_SPEED_10G_KX4:
7352 case PORT_FEATURE_LINK_SPEED_10G_KR:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007353 if (bp->port.supported & SUPPORTED_10000baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007354 bp->link_params.req_line_speed = SPEED_10000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007355 bp->port.advertising = (ADVERTISED_10000baseT_Full |
7356 ADVERTISED_FIBRE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007357 } else {
7358 BNX2X_ERR("NVRAM config error. "
7359 "Invalid link_config 0x%x"
7360 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007361 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007362 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007363 return;
7364 }
7365 break;
7366
7367 default:
7368 BNX2X_ERR("NVRAM config error. "
7369 "BAD link speed link_config 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007370 bp->port.link_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007371 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007372 bp->port.advertising = bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007373 break;
7374 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007375
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007376 bp->link_params.req_flow_ctrl = (bp->port.link_config &
7377 PORT_FEATURE_FLOW_CONTROL_MASK);
David S. Millerc0700f92008-12-16 23:53:20 -08007378 if ((bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) &&
Randy Dunlap4ab84d42008-08-07 20:33:19 -07007379 !(bp->port.supported & SUPPORTED_Autoneg))
David S. Millerc0700f92008-12-16 23:53:20 -08007380 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007381
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007382 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl 0x%x"
Eliezer Tamirf1410642008-02-28 11:51:50 -08007383 " advertising 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007384 bp->link_params.req_line_speed,
7385 bp->link_params.req_duplex,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007386 bp->link_params.req_flow_ctrl, bp->port.advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007387}
7388
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007389static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007390{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007391 int port = BP_PORT(bp);
7392 u32 val, val2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007393
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007394 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007395 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007396
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007397 bp->link_params.serdes_config =
Eliezer Tamirf1410642008-02-28 11:51:50 -08007398 SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007399 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007400 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007401 bp->link_params.ext_phy_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007402 SHMEM_RD(bp,
7403 dev_info.port_hw_config[port].external_phy_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007404 bp->link_params.speed_cap_mask =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007405 SHMEM_RD(bp,
7406 dev_info.port_hw_config[port].speed_capability_mask);
7407
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007408 bp->port.link_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007409 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
7410
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007411 BNX2X_DEV_INFO("serdes_config 0x%08x lane_config 0x%08x\n"
7412 KERN_INFO " ext_phy_config 0x%08x speed_cap_mask 0x%08x"
7413 " link_config 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007414 bp->link_params.serdes_config,
7415 bp->link_params.lane_config,
7416 bp->link_params.ext_phy_config,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007417 bp->link_params.speed_cap_mask, bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007418
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007419 bp->link_params.switch_cfg = (bp->port.link_config &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007420 PORT_FEATURE_CONNECTED_SWITCH_MASK);
7421 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007422
7423 bnx2x_link_settings_requested(bp);
7424
7425 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
7426 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
7427 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7428 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7429 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7430 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7431 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7432 bp->dev->dev_addr[5] = (u8)(val & 0xff);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007433 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
7434 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007435}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007436
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007437static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
7438{
7439 int func = BP_FUNC(bp);
7440 u32 val, val2;
7441 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007442
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007443 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007444
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007445 bp->e1hov = 0;
7446 bp->e1hmf = 0;
7447 if (CHIP_IS_E1H(bp)) {
7448 bp->mf_config =
7449 SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007450
Eilon Greenstein3196a882008-08-13 15:58:49 -07007451 val = (SHMEM_RD(bp, mf_cfg.func_mf_config[func].e1hov_tag) &
7452 FUNC_MF_CFG_E1HOV_TAG_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007453 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007454
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007455 bp->e1hov = val;
7456 bp->e1hmf = 1;
7457 BNX2X_DEV_INFO("MF mode E1HOV for func %d is %d "
7458 "(0x%04x)\n",
7459 func, bp->e1hov, bp->e1hov);
7460 } else {
7461 BNX2X_DEV_INFO("Single function mode\n");
7462 if (BP_E1HVN(bp)) {
7463 BNX2X_ERR("!!! No valid E1HOV for func %d,"
7464 " aborting\n", func);
7465 rc = -EPERM;
7466 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007467 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007468 }
7469
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007470 if (!BP_NOMCP(bp)) {
7471 bnx2x_get_port_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007472
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007473 bp->fw_seq = (SHMEM_RD(bp, func_mb[func].drv_mb_header) &
7474 DRV_MSG_SEQ_NUMBER_MASK);
7475 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
7476 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007477
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007478 if (IS_E1HMF(bp)) {
7479 val2 = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_upper);
7480 val = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_lower);
7481 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
7482 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) {
7483 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7484 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7485 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7486 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7487 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7488 bp->dev->dev_addr[5] = (u8)(val & 0xff);
7489 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr,
7490 ETH_ALEN);
7491 memcpy(bp->dev->perm_addr, bp->dev->dev_addr,
7492 ETH_ALEN);
7493 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007494
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007495 return rc;
7496 }
7497
7498 if (BP_NOMCP(bp)) {
7499 /* only supposed to happen on emulation/FPGA */
Eilon Greenstein33471622008-08-13 15:59:08 -07007500 BNX2X_ERR("warning random MAC workaround active\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007501 random_ether_addr(bp->dev->dev_addr);
7502 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7503 }
7504
7505 return rc;
7506}
7507
7508static int __devinit bnx2x_init_bp(struct bnx2x *bp)
7509{
7510 int func = BP_FUNC(bp);
7511 int rc;
7512
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007513 /* Disable interrupt handling until HW is initialized */
7514 atomic_set(&bp->intr_sem, 1);
7515
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007516 mutex_init(&bp->port.phy_mutex);
7517
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08007518 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007519 INIT_WORK(&bp->reset_task, bnx2x_reset_task);
7520
7521 rc = bnx2x_get_hwinfo(bp);
7522
7523 /* need to reset chip if undi was active */
7524 if (!BP_NOMCP(bp))
7525 bnx2x_undi_unload(bp);
7526
7527 if (CHIP_REV_IS_FPGA(bp))
7528 printk(KERN_ERR PFX "FPGA detected\n");
7529
7530 if (BP_NOMCP(bp) && (func == 0))
7531 printk(KERN_ERR PFX
7532 "MCP disabled, must load devices in order!\n");
7533
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07007534 /* Set TPA flags */
7535 if (disable_tpa) {
7536 bp->flags &= ~TPA_ENABLE_FLAG;
7537 bp->dev->features &= ~NETIF_F_LRO;
7538 } else {
7539 bp->flags |= TPA_ENABLE_FLAG;
7540 bp->dev->features |= NETIF_F_LRO;
7541 }
7542
7543
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007544 bp->tx_ring_size = MAX_TX_AVAIL;
7545 bp->rx_ring_size = MAX_RX_AVAIL;
7546
7547 bp->rx_csum = 1;
7548 bp->rx_offset = 0;
7549
7550 bp->tx_ticks = 50;
7551 bp->rx_ticks = 25;
7552
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007553 bp->timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
7554 bp->current_interval = (poll ? poll : bp->timer_interval);
7555
7556 init_timer(&bp->timer);
7557 bp->timer.expires = jiffies + bp->current_interval;
7558 bp->timer.data = (unsigned long) bp;
7559 bp->timer.function = bnx2x_timer;
7560
7561 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007562}
7563
7564/*
7565 * ethtool service functions
7566 */
7567
7568/* All ethtool functions called with rtnl_lock */
7569
7570static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7571{
7572 struct bnx2x *bp = netdev_priv(dev);
7573
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007574 cmd->supported = bp->port.supported;
7575 cmd->advertising = bp->port.advertising;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007576
7577 if (netif_carrier_ok(dev)) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007578 cmd->speed = bp->link_vars.line_speed;
7579 cmd->duplex = bp->link_vars.duplex;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007580 } else {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007581 cmd->speed = bp->link_params.req_line_speed;
7582 cmd->duplex = bp->link_params.req_duplex;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007583 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007584 if (IS_E1HMF(bp)) {
7585 u16 vn_max_rate;
7586
7587 vn_max_rate = ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >>
7588 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
7589 if (vn_max_rate < cmd->speed)
7590 cmd->speed = vn_max_rate;
7591 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007592
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007593 if (bp->link_params.switch_cfg == SWITCH_CFG_10G) {
7594 u32 ext_phy_type =
7595 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007596
7597 switch (ext_phy_type) {
7598 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7599 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7600 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7601 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007602 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007603 cmd->port = PORT_FIBRE;
7604 break;
7605
7606 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7607 cmd->port = PORT_TP;
7608 break;
7609
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007610 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7611 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7612 bp->link_params.ext_phy_config);
7613 break;
7614
Eliezer Tamirf1410642008-02-28 11:51:50 -08007615 default:
7616 DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007617 bp->link_params.ext_phy_config);
7618 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007619 }
7620 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007621 cmd->port = PORT_TP;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007622
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007623 cmd->phy_address = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007624 cmd->transceiver = XCVR_INTERNAL;
7625
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007626 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007627 cmd->autoneg = AUTONEG_ENABLE;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007628 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007629 cmd->autoneg = AUTONEG_DISABLE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007630
7631 cmd->maxtxpkt = 0;
7632 cmd->maxrxpkt = 0;
7633
7634 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7635 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7636 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7637 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7638 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7639 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7640 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7641
7642 return 0;
7643}
7644
7645static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7646{
7647 struct bnx2x *bp = netdev_priv(dev);
7648 u32 advertising;
7649
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007650 if (IS_E1HMF(bp))
7651 return 0;
7652
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007653 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7654 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7655 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7656 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7657 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7658 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7659 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7660
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007661 if (cmd->autoneg == AUTONEG_ENABLE) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007662 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
7663 DP(NETIF_MSG_LINK, "Autoneg not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007664 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007665 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007666
7667 /* advertise the requested speed and duplex if supported */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007668 cmd->advertising &= bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007669
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007670 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7671 bp->link_params.req_duplex = DUPLEX_FULL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007672 bp->port.advertising |= (ADVERTISED_Autoneg |
7673 cmd->advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007674
7675 } else { /* forced speed */
7676 /* advertise the requested speed and duplex if supported */
7677 switch (cmd->speed) {
7678 case SPEED_10:
7679 if (cmd->duplex == DUPLEX_FULL) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007680 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007681 SUPPORTED_10baseT_Full)) {
7682 DP(NETIF_MSG_LINK,
7683 "10M full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007684 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007685 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007686
7687 advertising = (ADVERTISED_10baseT_Full |
7688 ADVERTISED_TP);
7689 } else {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007690 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007691 SUPPORTED_10baseT_Half)) {
7692 DP(NETIF_MSG_LINK,
7693 "10M half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007694 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007695 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007696
7697 advertising = (ADVERTISED_10baseT_Half |
7698 ADVERTISED_TP);
7699 }
7700 break;
7701
7702 case SPEED_100:
7703 if (cmd->duplex == DUPLEX_FULL) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007704 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007705 SUPPORTED_100baseT_Full)) {
7706 DP(NETIF_MSG_LINK,
7707 "100M full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007708 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007709 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007710
7711 advertising = (ADVERTISED_100baseT_Full |
7712 ADVERTISED_TP);
7713 } else {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007714 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007715 SUPPORTED_100baseT_Half)) {
7716 DP(NETIF_MSG_LINK,
7717 "100M half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007718 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007719 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007720
7721 advertising = (ADVERTISED_100baseT_Half |
7722 ADVERTISED_TP);
7723 }
7724 break;
7725
7726 case SPEED_1000:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007727 if (cmd->duplex != DUPLEX_FULL) {
7728 DP(NETIF_MSG_LINK, "1G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007729 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007730 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007731
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007732 if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007733 DP(NETIF_MSG_LINK, "1G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007734 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007735 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007736
7737 advertising = (ADVERTISED_1000baseT_Full |
7738 ADVERTISED_TP);
7739 break;
7740
7741 case SPEED_2500:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007742 if (cmd->duplex != DUPLEX_FULL) {
7743 DP(NETIF_MSG_LINK,
7744 "2.5G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007745 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007746 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007747
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007748 if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007749 DP(NETIF_MSG_LINK,
7750 "2.5G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007751 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007752 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007753
Eliezer Tamirf1410642008-02-28 11:51:50 -08007754 advertising = (ADVERTISED_2500baseX_Full |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007755 ADVERTISED_TP);
7756 break;
7757
7758 case SPEED_10000:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007759 if (cmd->duplex != DUPLEX_FULL) {
7760 DP(NETIF_MSG_LINK, "10G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007761 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007762 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007763
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007764 if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007765 DP(NETIF_MSG_LINK, "10G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007766 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007767 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007768
7769 advertising = (ADVERTISED_10000baseT_Full |
7770 ADVERTISED_FIBRE);
7771 break;
7772
7773 default:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007774 DP(NETIF_MSG_LINK, "Unsupported speed\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007775 return -EINVAL;
7776 }
7777
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007778 bp->link_params.req_line_speed = cmd->speed;
7779 bp->link_params.req_duplex = cmd->duplex;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007780 bp->port.advertising = advertising;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007781 }
7782
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007783 DP(NETIF_MSG_LINK, "req_line_speed %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007784 DP_LEVEL " req_duplex %d advertising 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007785 bp->link_params.req_line_speed, bp->link_params.req_duplex,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007786 bp->port.advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007787
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007788 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07007789 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007790 bnx2x_link_set(bp);
7791 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007792
7793 return 0;
7794}
7795
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007796#define PHY_FW_VER_LEN 10
7797
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007798static void bnx2x_get_drvinfo(struct net_device *dev,
7799 struct ethtool_drvinfo *info)
7800{
7801 struct bnx2x *bp = netdev_priv(dev);
Eilon Greensteinf0e53a82008-08-13 15:58:30 -07007802 u8 phy_fw_ver[PHY_FW_VER_LEN];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007803
7804 strcpy(info->driver, DRV_MODULE_NAME);
7805 strcpy(info->version, DRV_MODULE_VERSION);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007806
7807 phy_fw_ver[0] = '\0';
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007808 if (bp->port.pmf) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007809 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007810 bnx2x_get_ext_phy_fw_version(&bp->link_params,
7811 (bp->state != BNX2X_STATE_CLOSED),
7812 phy_fw_ver, PHY_FW_VER_LEN);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007813 bnx2x_release_phy_lock(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007814 }
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007815
Eilon Greensteinf0e53a82008-08-13 15:58:30 -07007816 snprintf(info->fw_version, 32, "BC:%d.%d.%d%s%s",
7817 (bp->common.bc_ver & 0xff0000) >> 16,
7818 (bp->common.bc_ver & 0xff00) >> 8,
7819 (bp->common.bc_ver & 0xff),
7820 ((phy_fw_ver[0] != '\0') ? " PHY:" : ""), phy_fw_ver);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007821 strcpy(info->bus_info, pci_name(bp->pdev));
7822 info->n_stats = BNX2X_NUM_STATS;
7823 info->testinfo_len = BNX2X_NUM_TESTS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007824 info->eedump_len = bp->common.flash_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007825 info->regdump_len = 0;
7826}
7827
7828static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7829{
7830 struct bnx2x *bp = netdev_priv(dev);
7831
7832 if (bp->flags & NO_WOL_FLAG) {
7833 wol->supported = 0;
7834 wol->wolopts = 0;
7835 } else {
7836 wol->supported = WAKE_MAGIC;
7837 if (bp->wol)
7838 wol->wolopts = WAKE_MAGIC;
7839 else
7840 wol->wolopts = 0;
7841 }
7842 memset(&wol->sopass, 0, sizeof(wol->sopass));
7843}
7844
7845static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7846{
7847 struct bnx2x *bp = netdev_priv(dev);
7848
7849 if (wol->wolopts & ~WAKE_MAGIC)
7850 return -EINVAL;
7851
7852 if (wol->wolopts & WAKE_MAGIC) {
7853 if (bp->flags & NO_WOL_FLAG)
7854 return -EINVAL;
7855
7856 bp->wol = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007857 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007858 bp->wol = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007859
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007860 return 0;
7861}
7862
7863static u32 bnx2x_get_msglevel(struct net_device *dev)
7864{
7865 struct bnx2x *bp = netdev_priv(dev);
7866
7867 return bp->msglevel;
7868}
7869
7870static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
7871{
7872 struct bnx2x *bp = netdev_priv(dev);
7873
7874 if (capable(CAP_NET_ADMIN))
7875 bp->msglevel = level;
7876}
7877
7878static int bnx2x_nway_reset(struct net_device *dev)
7879{
7880 struct bnx2x *bp = netdev_priv(dev);
7881
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007882 if (!bp->port.pmf)
7883 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007884
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007885 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07007886 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007887 bnx2x_link_set(bp);
7888 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007889
7890 return 0;
7891}
7892
7893static int bnx2x_get_eeprom_len(struct net_device *dev)
7894{
7895 struct bnx2x *bp = netdev_priv(dev);
7896
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007897 return bp->common.flash_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007898}
7899
7900static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
7901{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007902 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007903 int count, i;
7904 u32 val = 0;
7905
7906 /* adjust timeout for emulation/FPGA */
7907 count = NVRAM_TIMEOUT_COUNT;
7908 if (CHIP_REV_IS_SLOW(bp))
7909 count *= 100;
7910
7911 /* request access to nvram interface */
7912 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7913 (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
7914
7915 for (i = 0; i < count*10; i++) {
7916 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7917 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
7918 break;
7919
7920 udelay(5);
7921 }
7922
7923 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007924 DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007925 return -EBUSY;
7926 }
7927
7928 return 0;
7929}
7930
7931static int bnx2x_release_nvram_lock(struct bnx2x *bp)
7932{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007933 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007934 int count, i;
7935 u32 val = 0;
7936
7937 /* adjust timeout for emulation/FPGA */
7938 count = NVRAM_TIMEOUT_COUNT;
7939 if (CHIP_REV_IS_SLOW(bp))
7940 count *= 100;
7941
7942 /* relinquish nvram interface */
7943 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7944 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
7945
7946 for (i = 0; i < count*10; i++) {
7947 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7948 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
7949 break;
7950
7951 udelay(5);
7952 }
7953
7954 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007955 DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007956 return -EBUSY;
7957 }
7958
7959 return 0;
7960}
7961
7962static void bnx2x_enable_nvram_access(struct bnx2x *bp)
7963{
7964 u32 val;
7965
7966 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7967
7968 /* enable both bits, even on read */
7969 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7970 (val | MCPR_NVM_ACCESS_ENABLE_EN |
7971 MCPR_NVM_ACCESS_ENABLE_WR_EN));
7972}
7973
7974static void bnx2x_disable_nvram_access(struct bnx2x *bp)
7975{
7976 u32 val;
7977
7978 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7979
7980 /* disable both bits, even after read */
7981 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7982 (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
7983 MCPR_NVM_ACCESS_ENABLE_WR_EN)));
7984}
7985
7986static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val,
7987 u32 cmd_flags)
7988{
Eliezer Tamirf1410642008-02-28 11:51:50 -08007989 int count, i, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007990 u32 val;
7991
7992 /* build the command word */
7993 cmd_flags |= MCPR_NVM_COMMAND_DOIT;
7994
7995 /* need to clear DONE bit separately */
7996 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
7997
7998 /* address of the NVRAM to read from */
7999 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
8000 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
8001
8002 /* issue a read command */
8003 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
8004
8005 /* adjust timeout for emulation/FPGA */
8006 count = NVRAM_TIMEOUT_COUNT;
8007 if (CHIP_REV_IS_SLOW(bp))
8008 count *= 100;
8009
8010 /* wait for completion */
8011 *ret_val = 0;
8012 rc = -EBUSY;
8013 for (i = 0; i < count; i++) {
8014 udelay(5);
8015 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8016
8017 if (val & MCPR_NVM_COMMAND_DONE) {
8018 val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008019 /* we read nvram data in cpu order
8020 * but ethtool sees it as an array of bytes
8021 * converting to big-endian will do the work */
8022 val = cpu_to_be32(val);
8023 *ret_val = val;
8024 rc = 0;
8025 break;
8026 }
8027 }
8028
8029 return rc;
8030}
8031
8032static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
8033 int buf_size)
8034{
8035 int rc;
8036 u32 cmd_flags;
8037 u32 val;
8038
8039 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008040 DP(BNX2X_MSG_NVM,
Eliezer Tamirc14423f2008-02-28 11:49:42 -08008041 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008042 offset, buf_size);
8043 return -EINVAL;
8044 }
8045
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008046 if (offset + buf_size > bp->common.flash_size) {
8047 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008048 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008049 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008050 return -EINVAL;
8051 }
8052
8053 /* request access to nvram interface */
8054 rc = bnx2x_acquire_nvram_lock(bp);
8055 if (rc)
8056 return rc;
8057
8058 /* enable access to nvram interface */
8059 bnx2x_enable_nvram_access(bp);
8060
8061 /* read the first word(s) */
8062 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8063 while ((buf_size > sizeof(u32)) && (rc == 0)) {
8064 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8065 memcpy(ret_buf, &val, 4);
8066
8067 /* advance to the next dword */
8068 offset += sizeof(u32);
8069 ret_buf += sizeof(u32);
8070 buf_size -= sizeof(u32);
8071 cmd_flags = 0;
8072 }
8073
8074 if (rc == 0) {
8075 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8076 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8077 memcpy(ret_buf, &val, 4);
8078 }
8079
8080 /* disable access to nvram interface */
8081 bnx2x_disable_nvram_access(bp);
8082 bnx2x_release_nvram_lock(bp);
8083
8084 return rc;
8085}
8086
8087static int bnx2x_get_eeprom(struct net_device *dev,
8088 struct ethtool_eeprom *eeprom, u8 *eebuf)
8089{
8090 struct bnx2x *bp = netdev_priv(dev);
8091 int rc;
8092
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008093 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008094 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8095 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8096 eeprom->len, eeprom->len);
8097
8098 /* parameters already validated in ethtool_get_eeprom */
8099
8100 rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
8101
8102 return rc;
8103}
8104
8105static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
8106 u32 cmd_flags)
8107{
Eliezer Tamirf1410642008-02-28 11:51:50 -08008108 int count, i, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008109
8110 /* build the command word */
8111 cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
8112
8113 /* need to clear DONE bit separately */
8114 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
8115
8116 /* write the data */
8117 REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
8118
8119 /* address of the NVRAM to write to */
8120 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
8121 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
8122
8123 /* issue the write command */
8124 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
8125
8126 /* adjust timeout for emulation/FPGA */
8127 count = NVRAM_TIMEOUT_COUNT;
8128 if (CHIP_REV_IS_SLOW(bp))
8129 count *= 100;
8130
8131 /* wait for completion */
8132 rc = -EBUSY;
8133 for (i = 0; i < count; i++) {
8134 udelay(5);
8135 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8136 if (val & MCPR_NVM_COMMAND_DONE) {
8137 rc = 0;
8138 break;
8139 }
8140 }
8141
8142 return rc;
8143}
8144
Eliezer Tamirf1410642008-02-28 11:51:50 -08008145#define BYTE_OFFSET(offset) (8 * (offset & 0x03))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008146
8147static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
8148 int buf_size)
8149{
8150 int rc;
8151 u32 cmd_flags;
8152 u32 align_offset;
8153 u32 val;
8154
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008155 if (offset + buf_size > bp->common.flash_size) {
8156 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008157 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008158 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008159 return -EINVAL;
8160 }
8161
8162 /* request access to nvram interface */
8163 rc = bnx2x_acquire_nvram_lock(bp);
8164 if (rc)
8165 return rc;
8166
8167 /* enable access to nvram interface */
8168 bnx2x_enable_nvram_access(bp);
8169
8170 cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
8171 align_offset = (offset & ~0x03);
8172 rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
8173
8174 if (rc == 0) {
8175 val &= ~(0xff << BYTE_OFFSET(offset));
8176 val |= (*data_buf << BYTE_OFFSET(offset));
8177
8178 /* nvram data is returned as an array of bytes
8179 * convert it back to cpu order */
8180 val = be32_to_cpu(val);
8181
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008182 rc = bnx2x_nvram_write_dword(bp, align_offset, val,
8183 cmd_flags);
8184 }
8185
8186 /* disable access to nvram interface */
8187 bnx2x_disable_nvram_access(bp);
8188 bnx2x_release_nvram_lock(bp);
8189
8190 return rc;
8191}
8192
8193static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
8194 int buf_size)
8195{
8196 int rc;
8197 u32 cmd_flags;
8198 u32 val;
8199 u32 written_so_far;
8200
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008201 if (buf_size == 1) /* ethtool */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008202 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008203
8204 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008205 DP(BNX2X_MSG_NVM,
Eliezer Tamirc14423f2008-02-28 11:49:42 -08008206 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008207 offset, buf_size);
8208 return -EINVAL;
8209 }
8210
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008211 if (offset + buf_size > bp->common.flash_size) {
8212 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008213 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008214 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008215 return -EINVAL;
8216 }
8217
8218 /* request access to nvram interface */
8219 rc = bnx2x_acquire_nvram_lock(bp);
8220 if (rc)
8221 return rc;
8222
8223 /* enable access to nvram interface */
8224 bnx2x_enable_nvram_access(bp);
8225
8226 written_so_far = 0;
8227 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8228 while ((written_so_far < buf_size) && (rc == 0)) {
8229 if (written_so_far == (buf_size - sizeof(u32)))
8230 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8231 else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0)
8232 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8233 else if ((offset % NVRAM_PAGE_SIZE) == 0)
8234 cmd_flags |= MCPR_NVM_COMMAND_FIRST;
8235
8236 memcpy(&val, data_buf, 4);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008237
8238 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
8239
8240 /* advance to the next dword */
8241 offset += sizeof(u32);
8242 data_buf += sizeof(u32);
8243 written_so_far += sizeof(u32);
8244 cmd_flags = 0;
8245 }
8246
8247 /* disable access to nvram interface */
8248 bnx2x_disable_nvram_access(bp);
8249 bnx2x_release_nvram_lock(bp);
8250
8251 return rc;
8252}
8253
8254static int bnx2x_set_eeprom(struct net_device *dev,
8255 struct ethtool_eeprom *eeprom, u8 *eebuf)
8256{
8257 struct bnx2x *bp = netdev_priv(dev);
8258 int rc;
8259
Eilon Greenstein9f4c9582009-01-08 11:21:43 -08008260 if (!netif_running(dev))
8261 return -EAGAIN;
8262
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008263 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008264 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8265 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8266 eeprom->len, eeprom->len);
8267
8268 /* parameters already validated in ethtool_set_eeprom */
8269
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008270 /* If the magic number is PHY (0x00504859) upgrade the PHY FW */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008271 if (eeprom->magic == 0x00504859)
8272 if (bp->port.pmf) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008273
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008274 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008275 rc = bnx2x_flash_download(bp, BP_PORT(bp),
8276 bp->link_params.ext_phy_config,
8277 (bp->state != BNX2X_STATE_CLOSED),
8278 eebuf, eeprom->len);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008279 if ((bp->state == BNX2X_STATE_OPEN) ||
8280 (bp->state == BNX2X_STATE_DISABLED)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008281 rc |= bnx2x_link_reset(&bp->link_params,
8282 &bp->link_vars);
8283 rc |= bnx2x_phy_init(&bp->link_params,
8284 &bp->link_vars);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008285 }
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008286 bnx2x_release_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008287
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008288 } else /* Only the PMF can access the PHY */
8289 return -EINVAL;
8290 else
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008291 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008292
8293 return rc;
8294}
8295
8296static int bnx2x_get_coalesce(struct net_device *dev,
8297 struct ethtool_coalesce *coal)
8298{
8299 struct bnx2x *bp = netdev_priv(dev);
8300
8301 memset(coal, 0, sizeof(struct ethtool_coalesce));
8302
8303 coal->rx_coalesce_usecs = bp->rx_ticks;
8304 coal->tx_coalesce_usecs = bp->tx_ticks;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008305
8306 return 0;
8307}
8308
8309static int bnx2x_set_coalesce(struct net_device *dev,
8310 struct ethtool_coalesce *coal)
8311{
8312 struct bnx2x *bp = netdev_priv(dev);
8313
8314 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
8315 if (bp->rx_ticks > 3000)
8316 bp->rx_ticks = 3000;
8317
8318 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
8319 if (bp->tx_ticks > 0x3000)
8320 bp->tx_ticks = 0x3000;
8321
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008322 if (netif_running(dev))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008323 bnx2x_update_coalesce(bp);
8324
8325 return 0;
8326}
8327
8328static void bnx2x_get_ringparam(struct net_device *dev,
8329 struct ethtool_ringparam *ering)
8330{
8331 struct bnx2x *bp = netdev_priv(dev);
8332
8333 ering->rx_max_pending = MAX_RX_AVAIL;
8334 ering->rx_mini_max_pending = 0;
8335 ering->rx_jumbo_max_pending = 0;
8336
8337 ering->rx_pending = bp->rx_ring_size;
8338 ering->rx_mini_pending = 0;
8339 ering->rx_jumbo_pending = 0;
8340
8341 ering->tx_max_pending = MAX_TX_AVAIL;
8342 ering->tx_pending = bp->tx_ring_size;
8343}
8344
8345static int bnx2x_set_ringparam(struct net_device *dev,
8346 struct ethtool_ringparam *ering)
8347{
8348 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008349 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008350
8351 if ((ering->rx_pending > MAX_RX_AVAIL) ||
8352 (ering->tx_pending > MAX_TX_AVAIL) ||
8353 (ering->tx_pending <= MAX_SKB_FRAGS + 4))
8354 return -EINVAL;
8355
8356 bp->rx_ring_size = ering->rx_pending;
8357 bp->tx_ring_size = ering->tx_pending;
8358
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008359 if (netif_running(dev)) {
8360 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8361 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008362 }
8363
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008364 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008365}
8366
8367static void bnx2x_get_pauseparam(struct net_device *dev,
8368 struct ethtool_pauseparam *epause)
8369{
8370 struct bnx2x *bp = netdev_priv(dev);
8371
David S. Millerc0700f92008-12-16 23:53:20 -08008372 epause->autoneg = (bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) &&
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008373 (bp->link_params.req_line_speed == SPEED_AUTO_NEG);
8374
David S. Millerc0700f92008-12-16 23:53:20 -08008375 epause->rx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_RX) ==
8376 BNX2X_FLOW_CTRL_RX);
8377 epause->tx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX) ==
8378 BNX2X_FLOW_CTRL_TX);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008379
8380 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8381 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8382 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8383}
8384
8385static int bnx2x_set_pauseparam(struct net_device *dev,
8386 struct ethtool_pauseparam *epause)
8387{
8388 struct bnx2x *bp = netdev_priv(dev);
8389
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008390 if (IS_E1HMF(bp))
8391 return 0;
8392
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008393 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8394 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8395 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8396
David S. Millerc0700f92008-12-16 23:53:20 -08008397 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008398
8399 if (epause->rx_pause)
David S. Millerc0700f92008-12-16 23:53:20 -08008400 bp->link_params.req_flow_ctrl |= BNX2X_FLOW_CTRL_RX;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008401
8402 if (epause->tx_pause)
David S. Millerc0700f92008-12-16 23:53:20 -08008403 bp->link_params.req_flow_ctrl |= BNX2X_FLOW_CTRL_TX;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008404
David S. Millerc0700f92008-12-16 23:53:20 -08008405 if (bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO)
8406 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008407
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008408 if (epause->autoneg) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008409 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07008410 DP(NETIF_MSG_LINK, "autoneg not supported\n");
Eliezer Tamirf1410642008-02-28 11:51:50 -08008411 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008412 }
8413
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008414 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
David S. Millerc0700f92008-12-16 23:53:20 -08008415 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008416 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008417
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008418 DP(NETIF_MSG_LINK,
8419 "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008420
8421 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008422 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008423 bnx2x_link_set(bp);
8424 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008425
8426 return 0;
8427}
8428
Vladislav Zolotarovdf0f23432008-08-13 15:53:38 -07008429static int bnx2x_set_flags(struct net_device *dev, u32 data)
8430{
8431 struct bnx2x *bp = netdev_priv(dev);
8432 int changed = 0;
8433 int rc = 0;
8434
8435 /* TPA requires Rx CSUM offloading */
8436 if ((data & ETH_FLAG_LRO) && bp->rx_csum) {
8437 if (!(dev->features & NETIF_F_LRO)) {
8438 dev->features |= NETIF_F_LRO;
8439 bp->flags |= TPA_ENABLE_FLAG;
8440 changed = 1;
8441 }
8442
8443 } else if (dev->features & NETIF_F_LRO) {
8444 dev->features &= ~NETIF_F_LRO;
8445 bp->flags &= ~TPA_ENABLE_FLAG;
8446 changed = 1;
8447 }
8448
8449 if (changed && netif_running(dev)) {
8450 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8451 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
8452 }
8453
8454 return rc;
8455}
8456
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008457static u32 bnx2x_get_rx_csum(struct net_device *dev)
8458{
8459 struct bnx2x *bp = netdev_priv(dev);
8460
8461 return bp->rx_csum;
8462}
8463
8464static int bnx2x_set_rx_csum(struct net_device *dev, u32 data)
8465{
8466 struct bnx2x *bp = netdev_priv(dev);
Vladislav Zolotarovdf0f23432008-08-13 15:53:38 -07008467 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008468
8469 bp->rx_csum = data;
Vladislav Zolotarovdf0f23432008-08-13 15:53:38 -07008470
8471 /* Disable TPA, when Rx CSUM is disabled. Otherwise all
8472 TPA'ed packets will be discarded due to wrong TCP CSUM */
8473 if (!data) {
8474 u32 flags = ethtool_op_get_flags(dev);
8475
8476 rc = bnx2x_set_flags(dev, (flags & ~ETH_FLAG_LRO));
8477 }
8478
8479 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008480}
8481
8482static int bnx2x_set_tso(struct net_device *dev, u32 data)
8483{
Eilon Greenstein755735e2008-06-23 20:35:13 -07008484 if (data) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008485 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735e2008-06-23 20:35:13 -07008486 dev->features |= NETIF_F_TSO6;
8487 } else {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008488 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735e2008-06-23 20:35:13 -07008489 dev->features &= ~NETIF_F_TSO6;
8490 }
8491
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008492 return 0;
8493}
8494
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008495static const struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008496 char string[ETH_GSTRING_LEN];
8497} bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008498 { "register_test (offline)" },
8499 { "memory_test (offline)" },
8500 { "loopback_test (offline)" },
8501 { "nvram_test (online)" },
8502 { "interrupt_test (online)" },
8503 { "link_test (online)" },
8504 { "idle check (online)" },
8505 { "MC errors (online)" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008506};
8507
8508static int bnx2x_self_test_count(struct net_device *dev)
8509{
8510 return BNX2X_NUM_TESTS;
8511}
8512
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008513static int bnx2x_test_registers(struct bnx2x *bp)
8514{
8515 int idx, i, rc = -ENODEV;
8516 u32 wr_val = 0;
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008517 int port = BP_PORT(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008518 static const struct {
8519 u32 offset0;
8520 u32 offset1;
8521 u32 mask;
8522 } reg_tbl[] = {
8523/* 0 */ { BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff },
8524 { DORQ_REG_DB_ADDR0, 4, 0xffffffff },
8525 { HC_REG_AGG_INT_0, 4, 0x000003ff },
8526 { PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 },
8527 { PBF_REG_P0_INIT_CRD, 4, 0x000007ff },
8528 { PRS_REG_CID_PORT_0, 4, 0x00ffffff },
8529 { PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff },
8530 { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8531 { PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff },
8532 { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8533/* 10 */ { PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff },
8534 { QM_REG_CONNNUM_0, 4, 0x000fffff },
8535 { TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff },
8536 { SRC_REG_KEYRSS0_0, 40, 0xffffffff },
8537 { SRC_REG_KEYRSS0_7, 40, 0xffffffff },
8538 { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
8539 { XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 },
8540 { XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff },
8541 { NIG_REG_EGRESS_MNG0_FIFO, 20, 0xffffffff },
8542 { NIG_REG_LLH0_T_BIT, 4, 0x00000001 },
8543/* 20 */ { NIG_REG_EMAC0_IN_EN, 4, 0x00000001 },
8544 { NIG_REG_BMAC0_IN_EN, 4, 0x00000001 },
8545 { NIG_REG_XCM0_OUT_EN, 4, 0x00000001 },
8546 { NIG_REG_BRB0_OUT_EN, 4, 0x00000001 },
8547 { NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 },
8548 { NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff },
8549 { NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff },
8550 { NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff },
8551 { NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff },
8552 { NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 },
8553/* 30 */ { NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff },
8554 { NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff },
8555 { NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff },
8556 { NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 },
8557 { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 },
8558 { NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff },
8559 { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
8560 { NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f },
8561
8562 { 0xffffffff, 0, 0x00000000 }
8563 };
8564
8565 if (!netif_running(bp->dev))
8566 return rc;
8567
8568 /* Repeat the test twice:
8569 First by writing 0x00000000, second by writing 0xffffffff */
8570 for (idx = 0; idx < 2; idx++) {
8571
8572 switch (idx) {
8573 case 0:
8574 wr_val = 0;
8575 break;
8576 case 1:
8577 wr_val = 0xffffffff;
8578 break;
8579 }
8580
8581 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
8582 u32 offset, mask, save_val, val;
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008583
8584 offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
8585 mask = reg_tbl[i].mask;
8586
8587 save_val = REG_RD(bp, offset);
8588
8589 REG_WR(bp, offset, wr_val);
8590 val = REG_RD(bp, offset);
8591
8592 /* Restore the original register's value */
8593 REG_WR(bp, offset, save_val);
8594
8595 /* verify that value is as expected value */
8596 if ((val & mask) != (wr_val & mask))
8597 goto test_reg_exit;
8598 }
8599 }
8600
8601 rc = 0;
8602
8603test_reg_exit:
8604 return rc;
8605}
8606
8607static int bnx2x_test_memory(struct bnx2x *bp)
8608{
8609 int i, j, rc = -ENODEV;
8610 u32 val;
8611 static const struct {
8612 u32 offset;
8613 int size;
8614 } mem_tbl[] = {
8615 { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE },
8616 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
8617 { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE },
8618 { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE },
8619 { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE },
8620 { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE },
8621 { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE },
8622
8623 { 0xffffffff, 0 }
8624 };
8625 static const struct {
8626 char *name;
8627 u32 offset;
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008628 u32 e1_mask;
8629 u32 e1h_mask;
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008630 } prty_tbl[] = {
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008631 { "CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS, 0x3ffc0, 0 },
8632 { "CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS, 0x2, 0x2 },
8633 { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0, 0 },
8634 { "TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS, 0x3ffc0, 0 },
8635 { "UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS, 0x3ffc0, 0 },
8636 { "XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS, 0x3ffc1, 0 },
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008637
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008638 { NULL, 0xffffffff, 0, 0 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008639 };
8640
8641 if (!netif_running(bp->dev))
8642 return rc;
8643
8644 /* Go through all the memories */
8645 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
8646 for (j = 0; j < mem_tbl[i].size; j++)
8647 REG_RD(bp, mem_tbl[i].offset + j*4);
8648
8649 /* Check the parity status */
8650 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
8651 val = REG_RD(bp, prty_tbl[i].offset);
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008652 if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) ||
8653 (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask)))) {
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008654 DP(NETIF_MSG_HW,
8655 "%s is 0x%x\n", prty_tbl[i].name, val);
8656 goto test_mem_exit;
8657 }
8658 }
8659
8660 rc = 0;
8661
8662test_mem_exit:
8663 return rc;
8664}
8665
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008666static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up)
8667{
8668 int cnt = 1000;
8669
8670 if (link_up)
8671 while (bnx2x_link_test(bp) && cnt--)
8672 msleep(10);
8673}
8674
8675static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
8676{
8677 unsigned int pkt_size, num_pkts, i;
8678 struct sk_buff *skb;
8679 unsigned char *packet;
8680 struct bnx2x_fastpath *fp = &bp->fp[0];
8681 u16 tx_start_idx, tx_idx;
8682 u16 rx_start_idx, rx_idx;
8683 u16 pkt_prod;
8684 struct sw_tx_bd *tx_buf;
8685 struct eth_tx_bd *tx_bd;
8686 dma_addr_t mapping;
8687 union eth_rx_cqe *cqe;
8688 u8 cqe_fp_flags;
8689 struct sw_rx_bd *rx_buf;
8690 u16 len;
8691 int rc = -ENODEV;
8692
8693 if (loopback_mode == BNX2X_MAC_LOOPBACK) {
8694 bp->link_params.loopback_mode = LOOPBACK_BMAC;
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008695 bnx2x_acquire_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008696 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008697 bnx2x_release_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008698
8699 } else if (loopback_mode == BNX2X_PHY_LOOPBACK) {
8700 bp->link_params.loopback_mode = LOOPBACK_XGXS_10;
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008701 bnx2x_acquire_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008702 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008703 bnx2x_release_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008704 /* wait until link state is restored */
8705 bnx2x_wait_for_link(bp, link_up);
8706
8707 } else
8708 return -EINVAL;
8709
8710 pkt_size = 1514;
8711 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
8712 if (!skb) {
8713 rc = -ENOMEM;
8714 goto test_loopback_exit;
8715 }
8716 packet = skb_put(skb, pkt_size);
8717 memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
8718 memset(packet + ETH_ALEN, 0, (ETH_HLEN - ETH_ALEN));
8719 for (i = ETH_HLEN; i < pkt_size; i++)
8720 packet[i] = (unsigned char) (i & 0xff);
8721
8722 num_pkts = 0;
8723 tx_start_idx = le16_to_cpu(*fp->tx_cons_sb);
8724 rx_start_idx = le16_to_cpu(*fp->rx_cons_sb);
8725
8726 pkt_prod = fp->tx_pkt_prod++;
8727 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
8728 tx_buf->first_bd = fp->tx_bd_prod;
8729 tx_buf->skb = skb;
8730
8731 tx_bd = &fp->tx_desc_ring[TX_BD(fp->tx_bd_prod)];
8732 mapping = pci_map_single(bp->pdev, skb->data,
8733 skb_headlen(skb), PCI_DMA_TODEVICE);
8734 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
8735 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
8736 tx_bd->nbd = cpu_to_le16(1);
8737 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
8738 tx_bd->vlan = cpu_to_le16(pkt_prod);
8739 tx_bd->bd_flags.as_bitfield = (ETH_TX_BD_FLAGS_START_BD |
8740 ETH_TX_BD_FLAGS_END_BD);
8741 tx_bd->general_data = ((UNICAST_ADDRESS <<
8742 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT) | 1);
8743
Eilon Greenstein58f4c4c2009-01-14 21:23:36 -08008744 wmb();
8745
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008746 fp->hw_tx_prods->bds_prod =
8747 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + 1);
8748 mb(); /* FW restriction: must not reorder writing nbd and packets */
8749 fp->hw_tx_prods->packets_prod =
8750 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
8751 DOORBELL(bp, FP_IDX(fp), 0);
8752
8753 mmiowb();
8754
8755 num_pkts++;
8756 fp->tx_bd_prod++;
8757 bp->dev->trans_start = jiffies;
8758
8759 udelay(100);
8760
8761 tx_idx = le16_to_cpu(*fp->tx_cons_sb);
8762 if (tx_idx != tx_start_idx + num_pkts)
8763 goto test_loopback_exit;
8764
8765 rx_idx = le16_to_cpu(*fp->rx_cons_sb);
8766 if (rx_idx != rx_start_idx + num_pkts)
8767 goto test_loopback_exit;
8768
8769 cqe = &fp->rx_comp_ring[RCQ_BD(fp->rx_comp_cons)];
8770 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
8771 if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
8772 goto test_loopback_rx_exit;
8773
8774 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
8775 if (len != pkt_size)
8776 goto test_loopback_rx_exit;
8777
8778 rx_buf = &fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)];
8779 skb = rx_buf->skb;
8780 skb_reserve(skb, cqe->fast_path_cqe.placement_offset);
8781 for (i = ETH_HLEN; i < pkt_size; i++)
8782 if (*(skb->data + i) != (unsigned char) (i & 0xff))
8783 goto test_loopback_rx_exit;
8784
8785 rc = 0;
8786
8787test_loopback_rx_exit:
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008788
8789 fp->rx_bd_cons = NEXT_RX_IDX(fp->rx_bd_cons);
8790 fp->rx_bd_prod = NEXT_RX_IDX(fp->rx_bd_prod);
8791 fp->rx_comp_cons = NEXT_RCQ_IDX(fp->rx_comp_cons);
8792 fp->rx_comp_prod = NEXT_RCQ_IDX(fp->rx_comp_prod);
8793
8794 /* Update producers */
8795 bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod,
8796 fp->rx_sge_prod);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008797
8798test_loopback_exit:
8799 bp->link_params.loopback_mode = LOOPBACK_NONE;
8800
8801 return rc;
8802}
8803
8804static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up)
8805{
8806 int rc = 0;
8807
8808 if (!netif_running(bp->dev))
8809 return BNX2X_LOOPBACK_FAILED;
8810
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07008811 bnx2x_netif_stop(bp, 1);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008812
8813 if (bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up)) {
8814 DP(NETIF_MSG_PROBE, "MAC loopback failed\n");
8815 rc |= BNX2X_MAC_LOOPBACK_FAILED;
8816 }
8817
8818 if (bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up)) {
8819 DP(NETIF_MSG_PROBE, "PHY loopback failed\n");
8820 rc |= BNX2X_PHY_LOOPBACK_FAILED;
8821 }
8822
8823 bnx2x_netif_start(bp);
8824
8825 return rc;
8826}
8827
8828#define CRC32_RESIDUAL 0xdebb20e3
8829
8830static int bnx2x_test_nvram(struct bnx2x *bp)
8831{
8832 static const struct {
8833 int offset;
8834 int size;
8835 } nvram_tbl[] = {
8836 { 0, 0x14 }, /* bootstrap */
8837 { 0x14, 0xec }, /* dir */
8838 { 0x100, 0x350 }, /* manuf_info */
8839 { 0x450, 0xf0 }, /* feature_info */
8840 { 0x640, 0x64 }, /* upgrade_key_info */
8841 { 0x6a4, 0x64 },
8842 { 0x708, 0x70 }, /* manuf_key_info */
8843 { 0x778, 0x70 },
8844 { 0, 0 }
8845 };
8846 u32 buf[0x350 / 4];
8847 u8 *data = (u8 *)buf;
8848 int i, rc;
8849 u32 magic, csum;
8850
8851 rc = bnx2x_nvram_read(bp, 0, data, 4);
8852 if (rc) {
8853 DP(NETIF_MSG_PROBE, "magic value read (rc -%d)\n", -rc);
8854 goto test_nvram_exit;
8855 }
8856
8857 magic = be32_to_cpu(buf[0]);
8858 if (magic != 0x669955aa) {
8859 DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
8860 rc = -ENODEV;
8861 goto test_nvram_exit;
8862 }
8863
8864 for (i = 0; nvram_tbl[i].size; i++) {
8865
8866 rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
8867 nvram_tbl[i].size);
8868 if (rc) {
8869 DP(NETIF_MSG_PROBE,
8870 "nvram_tbl[%d] read data (rc -%d)\n", i, -rc);
8871 goto test_nvram_exit;
8872 }
8873
8874 csum = ether_crc_le(nvram_tbl[i].size, data);
8875 if (csum != CRC32_RESIDUAL) {
8876 DP(NETIF_MSG_PROBE,
8877 "nvram_tbl[%d] csum value (0x%08x)\n", i, csum);
8878 rc = -ENODEV;
8879 goto test_nvram_exit;
8880 }
8881 }
8882
8883test_nvram_exit:
8884 return rc;
8885}
8886
8887static int bnx2x_test_intr(struct bnx2x *bp)
8888{
8889 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
8890 int i, rc;
8891
8892 if (!netif_running(bp->dev))
8893 return -ENODEV;
8894
8895 config->hdr.length_6b = 0;
8896 config->hdr.offset = 0;
8897 config->hdr.client_id = BP_CL_ID(bp);
8898 config->hdr.reserved1 = 0;
8899
8900 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
8901 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
8902 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
8903 if (rc == 0) {
8904 bp->set_mac_pending++;
8905 for (i = 0; i < 10; i++) {
8906 if (!bp->set_mac_pending)
8907 break;
8908 msleep_interruptible(10);
8909 }
8910 if (i == 10)
8911 rc = -ENODEV;
8912 }
8913
8914 return rc;
8915}
8916
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008917static void bnx2x_self_test(struct net_device *dev,
8918 struct ethtool_test *etest, u64 *buf)
8919{
8920 struct bnx2x *bp = netdev_priv(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008921
8922 memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
8923
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008924 if (!netif_running(dev))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008925 return;
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008926
Eilon Greenstein33471622008-08-13 15:59:08 -07008927 /* offline tests are not supported in MF mode */
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008928 if (IS_E1HMF(bp))
8929 etest->flags &= ~ETH_TEST_FL_OFFLINE;
8930
8931 if (etest->flags & ETH_TEST_FL_OFFLINE) {
8932 u8 link_up;
8933
8934 link_up = bp->link_vars.link_up;
8935 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8936 bnx2x_nic_load(bp, LOAD_DIAG);
8937 /* wait until link state is restored */
8938 bnx2x_wait_for_link(bp, link_up);
8939
8940 if (bnx2x_test_registers(bp) != 0) {
8941 buf[0] = 1;
8942 etest->flags |= ETH_TEST_FL_FAILED;
8943 }
8944 if (bnx2x_test_memory(bp) != 0) {
8945 buf[1] = 1;
8946 etest->flags |= ETH_TEST_FL_FAILED;
8947 }
8948 buf[2] = bnx2x_test_loopback(bp, link_up);
8949 if (buf[2] != 0)
8950 etest->flags |= ETH_TEST_FL_FAILED;
8951
8952 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8953 bnx2x_nic_load(bp, LOAD_NORMAL);
8954 /* wait until link state is restored */
8955 bnx2x_wait_for_link(bp, link_up);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008956 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008957 if (bnx2x_test_nvram(bp) != 0) {
8958 buf[3] = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008959 etest->flags |= ETH_TEST_FL_FAILED;
8960 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008961 if (bnx2x_test_intr(bp) != 0) {
8962 buf[4] = 1;
8963 etest->flags |= ETH_TEST_FL_FAILED;
8964 }
8965 if (bp->port.pmf)
8966 if (bnx2x_link_test(bp) != 0) {
8967 buf[5] = 1;
8968 etest->flags |= ETH_TEST_FL_FAILED;
8969 }
8970 buf[7] = bnx2x_mc_assert(bp);
8971 if (buf[7] != 0)
8972 etest->flags |= ETH_TEST_FL_FAILED;
8973
8974#ifdef BNX2X_EXTRA_DEBUG
8975 bnx2x_panic_dump(bp);
8976#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008977}
8978
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008979static const struct {
8980 long offset;
8981 int size;
8982 u32 flags;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008983#define STATS_FLAGS_PORT 1
8984#define STATS_FLAGS_FUNC 2
8985 u8 string[ETH_GSTRING_LEN];
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008986} bnx2x_stats_arr[BNX2X_NUM_STATS] = {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008987/* 1 */ { STATS_OFFSET32(valid_bytes_received_hi),
8988 8, STATS_FLAGS_FUNC, "rx_bytes" },
8989 { STATS_OFFSET32(error_bytes_received_hi),
8990 8, STATS_FLAGS_FUNC, "rx_error_bytes" },
8991 { STATS_OFFSET32(total_bytes_transmitted_hi),
8992 8, STATS_FLAGS_FUNC, "tx_bytes" },
8993 { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
8994 8, STATS_FLAGS_PORT, "tx_error_bytes" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008995 { STATS_OFFSET32(total_unicast_packets_received_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008996 8, STATS_FLAGS_FUNC, "rx_ucast_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008997 { STATS_OFFSET32(total_multicast_packets_received_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008998 8, STATS_FLAGS_FUNC, "rx_mcast_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008999 { STATS_OFFSET32(total_broadcast_packets_received_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009000 8, STATS_FLAGS_FUNC, "rx_bcast_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009001 { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009002 8, STATS_FLAGS_FUNC, "tx_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009003 { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009004 8, STATS_FLAGS_PORT, "tx_mac_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009005/* 10 */{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009006 8, STATS_FLAGS_PORT, "tx_carrier_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009007 { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009008 8, STATS_FLAGS_PORT, "rx_crc_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009009 { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009010 8, STATS_FLAGS_PORT, "rx_align_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009011 { STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009012 8, STATS_FLAGS_PORT, "tx_single_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009013 { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009014 8, STATS_FLAGS_PORT, "tx_multi_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009015 { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009016 8, STATS_FLAGS_PORT, "tx_deferred" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009017 { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009018 8, STATS_FLAGS_PORT, "tx_excess_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009019 { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009020 8, STATS_FLAGS_PORT, "tx_late_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009021 { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009022 8, STATS_FLAGS_PORT, "tx_total_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009023 { STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009024 8, STATS_FLAGS_PORT, "rx_fragments" },
9025/* 20 */{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
9026 8, STATS_FLAGS_PORT, "rx_jabbers" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009027 { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009028 8, STATS_FLAGS_PORT, "rx_undersize_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009029 { STATS_OFFSET32(jabber_packets_received),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009030 4, STATS_FLAGS_FUNC, "rx_oversize_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009031 { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009032 8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009033 { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009034 8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009035 { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009036 8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009037 { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009038 8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009039 { STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009040 8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009041 { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009042 8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009043 { STATS_OFFSET32(etherstatspktsover1522octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009044 8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009045/* 30 */{ STATS_OFFSET32(rx_stat_xonpauseframesreceived_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009046 8, STATS_FLAGS_PORT, "rx_xon_frames" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009047 { STATS_OFFSET32(rx_stat_xoffpauseframesreceived_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009048 8, STATS_FLAGS_PORT, "rx_xoff_frames" },
9049 { STATS_OFFSET32(tx_stat_outxonsent_hi),
9050 8, STATS_FLAGS_PORT, "tx_xon_frames" },
9051 { STATS_OFFSET32(tx_stat_outxoffsent_hi),
9052 8, STATS_FLAGS_PORT, "tx_xoff_frames" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009053 { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009054 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
9055 { STATS_OFFSET32(mac_filter_discard),
9056 4, STATS_FLAGS_PORT, "rx_filtered_packets" },
9057 { STATS_OFFSET32(no_buff_discard),
9058 4, STATS_FLAGS_FUNC, "rx_discards" },
9059 { STATS_OFFSET32(xxoverflow_discard),
9060 4, STATS_FLAGS_PORT, "rx_fw_discards" },
9061 { STATS_OFFSET32(brb_drop_hi),
9062 8, STATS_FLAGS_PORT, "brb_discard" },
9063 { STATS_OFFSET32(brb_truncate_hi),
9064 8, STATS_FLAGS_PORT, "brb_truncate" },
9065/* 40 */{ STATS_OFFSET32(rx_err_discard_pkt),
9066 4, STATS_FLAGS_FUNC, "rx_phy_ip_err_discards"},
9067 { STATS_OFFSET32(rx_skb_alloc_failed),
9068 4, STATS_FLAGS_FUNC, "rx_skb_alloc_discard" },
9069/* 42 */{ STATS_OFFSET32(hw_csum_err),
9070 4, STATS_FLAGS_FUNC, "rx_csum_offload_errors" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009071};
9072
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009073#define IS_NOT_E1HMF_STAT(bp, i) \
9074 (IS_E1HMF(bp) && (bnx2x_stats_arr[i].flags & STATS_FLAGS_PORT))
9075
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009076static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
9077{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009078 struct bnx2x *bp = netdev_priv(dev);
9079 int i, j;
9080
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009081 switch (stringset) {
9082 case ETH_SS_STATS:
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009083 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009084 if (IS_NOT_E1HMF_STAT(bp, i))
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009085 continue;
9086 strcpy(buf + j*ETH_GSTRING_LEN,
9087 bnx2x_stats_arr[i].string);
9088 j++;
9089 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009090 break;
9091
9092 case ETH_SS_TEST:
9093 memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
9094 break;
9095 }
9096}
9097
9098static int bnx2x_get_stats_count(struct net_device *dev)
9099{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009100 struct bnx2x *bp = netdev_priv(dev);
9101 int i, num_stats = 0;
9102
9103 for (i = 0; i < BNX2X_NUM_STATS; i++) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009104 if (IS_NOT_E1HMF_STAT(bp, i))
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009105 continue;
9106 num_stats++;
9107 }
9108 return num_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009109}
9110
9111static void bnx2x_get_ethtool_stats(struct net_device *dev,
9112 struct ethtool_stats *stats, u64 *buf)
9113{
9114 struct bnx2x *bp = netdev_priv(dev);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009115 u32 *hw_stats = (u32 *)&bp->eth_stats;
9116 int i, j;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009117
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009118 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009119 if (IS_NOT_E1HMF_STAT(bp, i))
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009120 continue;
9121
9122 if (bnx2x_stats_arr[i].size == 0) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009123 /* skip this counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009124 buf[j] = 0;
9125 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009126 continue;
9127 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009128 if (bnx2x_stats_arr[i].size == 4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009129 /* 4-byte counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009130 buf[j] = (u64) *(hw_stats + bnx2x_stats_arr[i].offset);
9131 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009132 continue;
9133 }
9134 /* 8-byte counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009135 buf[j] = HILO_U64(*(hw_stats + bnx2x_stats_arr[i].offset),
9136 *(hw_stats + bnx2x_stats_arr[i].offset + 1));
9137 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009138 }
9139}
9140
9141static int bnx2x_phys_id(struct net_device *dev, u32 data)
9142{
9143 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009144 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009145 int i;
9146
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009147 if (!netif_running(dev))
9148 return 0;
9149
9150 if (!bp->port.pmf)
9151 return 0;
9152
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009153 if (data == 0)
9154 data = 2;
9155
9156 for (i = 0; i < (data * 2); i++) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009157 if ((i % 2) == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009158 bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009159 bp->link_params.hw_led_mode,
9160 bp->link_params.chip_id);
9161 else
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009162 bnx2x_set_led(bp, port, LED_MODE_OFF, 0,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009163 bp->link_params.hw_led_mode,
9164 bp->link_params.chip_id);
9165
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009166 msleep_interruptible(500);
9167 if (signal_pending(current))
9168 break;
9169 }
9170
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009171 if (bp->link_vars.link_up)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009172 bnx2x_set_led(bp, port, LED_MODE_OPER,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009173 bp->link_vars.line_speed,
9174 bp->link_params.hw_led_mode,
9175 bp->link_params.chip_id);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009176
9177 return 0;
9178}
9179
9180static struct ethtool_ops bnx2x_ethtool_ops = {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009181 .get_settings = bnx2x_get_settings,
9182 .set_settings = bnx2x_set_settings,
9183 .get_drvinfo = bnx2x_get_drvinfo,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009184 .get_wol = bnx2x_get_wol,
9185 .set_wol = bnx2x_set_wol,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009186 .get_msglevel = bnx2x_get_msglevel,
9187 .set_msglevel = bnx2x_set_msglevel,
9188 .nway_reset = bnx2x_nway_reset,
9189 .get_link = ethtool_op_get_link,
9190 .get_eeprom_len = bnx2x_get_eeprom_len,
9191 .get_eeprom = bnx2x_get_eeprom,
9192 .set_eeprom = bnx2x_set_eeprom,
9193 .get_coalesce = bnx2x_get_coalesce,
9194 .set_coalesce = bnx2x_set_coalesce,
9195 .get_ringparam = bnx2x_get_ringparam,
9196 .set_ringparam = bnx2x_set_ringparam,
9197 .get_pauseparam = bnx2x_get_pauseparam,
9198 .set_pauseparam = bnx2x_set_pauseparam,
9199 .get_rx_csum = bnx2x_get_rx_csum,
9200 .set_rx_csum = bnx2x_set_rx_csum,
9201 .get_tx_csum = ethtool_op_get_tx_csum,
Eilon Greenstein755735e2008-06-23 20:35:13 -07009202 .set_tx_csum = ethtool_op_set_tx_hw_csum,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009203 .set_flags = bnx2x_set_flags,
9204 .get_flags = ethtool_op_get_flags,
9205 .get_sg = ethtool_op_get_sg,
9206 .set_sg = ethtool_op_set_sg,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009207 .get_tso = ethtool_op_get_tso,
9208 .set_tso = bnx2x_set_tso,
9209 .self_test_count = bnx2x_self_test_count,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009210 .self_test = bnx2x_self_test,
9211 .get_strings = bnx2x_get_strings,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009212 .phys_id = bnx2x_phys_id,
9213 .get_stats_count = bnx2x_get_stats_count,
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009214 .get_ethtool_stats = bnx2x_get_ethtool_stats,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009215};
9216
9217/* end of ethtool_ops */
9218
9219/****************************************************************************
9220* General service functions
9221****************************************************************************/
9222
9223static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
9224{
9225 u16 pmcsr;
9226
9227 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
9228
9229 switch (state) {
9230 case PCI_D0:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009231 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009232 ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
9233 PCI_PM_CTRL_PME_STATUS));
9234
9235 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
Eilon Greenstein33471622008-08-13 15:59:08 -07009236 /* delay required during transition out of D3hot */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009237 msleep(20);
9238 break;
9239
9240 case PCI_D3hot:
9241 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
9242 pmcsr |= 3;
9243
9244 if (bp->wol)
9245 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
9246
9247 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
9248 pmcsr);
9249
9250 /* No more memory access after this point until
9251 * device is brought back to D0.
9252 */
9253 break;
9254
9255 default:
9256 return -EINVAL;
9257 }
9258 return 0;
9259}
9260
9261/*
9262 * net_device service functions
9263 */
9264
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009265static int bnx2x_poll(struct napi_struct *napi, int budget)
9266{
9267 struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath,
9268 napi);
9269 struct bnx2x *bp = fp->bp;
9270 int work_done = 0;
Eilon Greenstein2772f902008-08-25 15:19:17 -07009271 u16 rx_cons_sb;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009272
9273#ifdef BNX2X_STOP_ON_ERROR
9274 if (unlikely(bp->panic))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009275 goto poll_panic;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009276#endif
9277
9278 prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb);
9279 prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb);
9280 prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256);
9281
9282 bnx2x_update_fpsb_idx(fp);
9283
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009284 if (BNX2X_HAS_TX_WORK(fp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009285 bnx2x_tx_int(fp, budget);
9286
Eilon Greenstein2772f902008-08-25 15:19:17 -07009287 rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
9288 if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
9289 rx_cons_sb++;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009290 if (BNX2X_HAS_RX_WORK(fp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009291 work_done = bnx2x_rx_int(fp, budget);
9292
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009293 rmb(); /* BNX2X_HAS_WORK() reads the status block */
Eilon Greenstein2772f902008-08-25 15:19:17 -07009294 rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
9295 if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
9296 rx_cons_sb++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009297
9298 /* must not complete if we consumed full budget */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009299 if ((work_done < budget) && !BNX2X_HAS_WORK(fp)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009300
9301#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009302poll_panic:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009303#endif
Neil Horman908a7a12008-12-22 20:43:12 -08009304 netif_rx_complete(napi);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009305
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009306 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009307 le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009308 bnx2x_ack_sb(bp, FP_SB_ID(fp), CSTORM_ID,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009309 le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
9310 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009311 return work_done;
9312}
9313
Eilon Greenstein755735e2008-06-23 20:35:13 -07009314
9315/* we split the first BD into headers and data BDs
Eilon Greenstein33471622008-08-13 15:59:08 -07009316 * to ease the pain of our fellow microcode engineers
Eilon Greenstein755735e2008-06-23 20:35:13 -07009317 * we use one mapping for both BDs
9318 * So far this has only been observed to happen
9319 * in Other Operating Systems(TM)
9320 */
9321static noinline u16 bnx2x_tx_split(struct bnx2x *bp,
9322 struct bnx2x_fastpath *fp,
9323 struct eth_tx_bd **tx_bd, u16 hlen,
9324 u16 bd_prod, int nbd)
9325{
9326 struct eth_tx_bd *h_tx_bd = *tx_bd;
9327 struct eth_tx_bd *d_tx_bd;
9328 dma_addr_t mapping;
9329 int old_len = le16_to_cpu(h_tx_bd->nbytes);
9330
9331 /* first fix first BD */
9332 h_tx_bd->nbd = cpu_to_le16(nbd);
9333 h_tx_bd->nbytes = cpu_to_le16(hlen);
9334
9335 DP(NETIF_MSG_TX_QUEUED, "TSO split header size is %d "
9336 "(%x:%x) nbd %d\n", h_tx_bd->nbytes, h_tx_bd->addr_hi,
9337 h_tx_bd->addr_lo, h_tx_bd->nbd);
9338
9339 /* now get a new data BD
9340 * (after the pbd) and fill it */
9341 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9342 d_tx_bd = &fp->tx_desc_ring[bd_prod];
9343
9344 mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi),
9345 le32_to_cpu(h_tx_bd->addr_lo)) + hlen;
9346
9347 d_tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9348 d_tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9349 d_tx_bd->nbytes = cpu_to_le16(old_len - hlen);
9350 d_tx_bd->vlan = 0;
9351 /* this marks the BD as one that has no individual mapping
9352 * the FW ignores this flag in a BD not marked start
9353 */
9354 d_tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO;
9355 DP(NETIF_MSG_TX_QUEUED,
9356 "TSO split data size is %d (%x:%x)\n",
9357 d_tx_bd->nbytes, d_tx_bd->addr_hi, d_tx_bd->addr_lo);
9358
9359 /* update tx_bd for marking the last BD flag */
9360 *tx_bd = d_tx_bd;
9361
9362 return bd_prod;
9363}
9364
9365static inline u16 bnx2x_csum_fix(unsigned char *t_header, u16 csum, s8 fix)
9366{
9367 if (fix > 0)
9368 csum = (u16) ~csum_fold(csum_sub(csum,
9369 csum_partial(t_header - fix, fix, 0)));
9370
9371 else if (fix < 0)
9372 csum = (u16) ~csum_fold(csum_add(csum,
9373 csum_partial(t_header, -fix, 0)));
9374
9375 return swab16(csum);
9376}
9377
9378static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
9379{
9380 u32 rc;
9381
9382 if (skb->ip_summed != CHECKSUM_PARTIAL)
9383 rc = XMIT_PLAIN;
9384
9385 else {
9386 if (skb->protocol == ntohs(ETH_P_IPV6)) {
9387 rc = XMIT_CSUM_V6;
9388 if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
9389 rc |= XMIT_CSUM_TCP;
9390
9391 } else {
9392 rc = XMIT_CSUM_V4;
9393 if (ip_hdr(skb)->protocol == IPPROTO_TCP)
9394 rc |= XMIT_CSUM_TCP;
9395 }
9396 }
9397
9398 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4)
9399 rc |= XMIT_GSO_V4;
9400
9401 else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
9402 rc |= XMIT_GSO_V6;
9403
9404 return rc;
9405}
9406
9407/* check if packet requires linearization (packet is too fragmented) */
9408static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
9409 u32 xmit_type)
9410{
9411 int to_copy = 0;
9412 int hlen = 0;
9413 int first_bd_sz = 0;
9414
9415 /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
9416 if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) {
9417
9418 if (xmit_type & XMIT_GSO) {
9419 unsigned short lso_mss = skb_shinfo(skb)->gso_size;
9420 /* Check if LSO packet needs to be copied:
9421 3 = 1 (for headers BD) + 2 (for PBD and last BD) */
9422 int wnd_size = MAX_FETCH_BD - 3;
Eilon Greenstein33471622008-08-13 15:59:08 -07009423 /* Number of windows to check */
Eilon Greenstein755735e2008-06-23 20:35:13 -07009424 int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size;
9425 int wnd_idx = 0;
9426 int frag_idx = 0;
9427 u32 wnd_sum = 0;
9428
9429 /* Headers length */
9430 hlen = (int)(skb_transport_header(skb) - skb->data) +
9431 tcp_hdrlen(skb);
9432
9433 /* Amount of data (w/o headers) on linear part of SKB*/
9434 first_bd_sz = skb_headlen(skb) - hlen;
9435
9436 wnd_sum = first_bd_sz;
9437
9438 /* Calculate the first sum - it's special */
9439 for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++)
9440 wnd_sum +=
9441 skb_shinfo(skb)->frags[frag_idx].size;
9442
9443 /* If there was data on linear skb data - check it */
9444 if (first_bd_sz > 0) {
9445 if (unlikely(wnd_sum < lso_mss)) {
9446 to_copy = 1;
9447 goto exit_lbl;
9448 }
9449
9450 wnd_sum -= first_bd_sz;
9451 }
9452
9453 /* Others are easier: run through the frag list and
9454 check all windows */
9455 for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) {
9456 wnd_sum +=
9457 skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size;
9458
9459 if (unlikely(wnd_sum < lso_mss)) {
9460 to_copy = 1;
9461 break;
9462 }
9463 wnd_sum -=
9464 skb_shinfo(skb)->frags[wnd_idx].size;
9465 }
9466
9467 } else {
9468 /* in non-LSO too fragmented packet should always
9469 be linearized */
9470 to_copy = 1;
9471 }
9472 }
9473
9474exit_lbl:
9475 if (unlikely(to_copy))
9476 DP(NETIF_MSG_TX_QUEUED,
9477 "Linearization IS REQUIRED for %s packet. "
9478 "num_frags %d hlen %d first_bd_sz %d\n",
9479 (xmit_type & XMIT_GSO) ? "LSO" : "non-LSO",
9480 skb_shinfo(skb)->nr_frags, hlen, first_bd_sz);
9481
9482 return to_copy;
9483}
9484
9485/* called with netif_tx_lock
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009486 * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call
Eilon Greenstein755735e2008-06-23 20:35:13 -07009487 * netif_wake_queue()
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009488 */
9489static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
9490{
9491 struct bnx2x *bp = netdev_priv(dev);
9492 struct bnx2x_fastpath *fp;
9493 struct sw_tx_bd *tx_buf;
9494 struct eth_tx_bd *tx_bd;
9495 struct eth_tx_parse_bd *pbd = NULL;
9496 u16 pkt_prod, bd_prod;
Eilon Greenstein755735e2008-06-23 20:35:13 -07009497 int nbd, fp_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009498 dma_addr_t mapping;
Eilon Greenstein755735e2008-06-23 20:35:13 -07009499 u32 xmit_type = bnx2x_xmit_type(bp, skb);
9500 int vlan_off = (bp->e1hov ? 4 : 0);
9501 int i;
9502 u8 hlen = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009503
9504#ifdef BNX2X_STOP_ON_ERROR
9505 if (unlikely(bp->panic))
9506 return NETDEV_TX_BUSY;
9507#endif
9508
Eilon Greenstein755735e2008-06-23 20:35:13 -07009509 fp_index = (smp_processor_id() % bp->num_queues);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009510 fp = &bp->fp[fp_index];
Eilon Greenstein755735e2008-06-23 20:35:13 -07009511
Yitchak Gertner231fd582008-08-25 15:27:06 -07009512 if (unlikely(bnx2x_tx_avail(fp) < (skb_shinfo(skb)->nr_frags + 3))) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009513 bp->eth_stats.driver_xoff++,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009514 netif_stop_queue(dev);
9515 BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
9516 return NETDEV_TX_BUSY;
9517 }
9518
Eilon Greenstein755735e2008-06-23 20:35:13 -07009519 DP(NETIF_MSG_TX_QUEUED, "SKB: summed %x protocol %x protocol(%x,%x)"
9520 " gso type %x xmit_type %x\n",
9521 skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr,
9522 ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type);
9523
Eilon Greenstein33471622008-08-13 15:59:08 -07009524 /* First, check if we need to linearize the skb
Eilon Greenstein755735e2008-06-23 20:35:13 -07009525 (due to FW restrictions) */
9526 if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) {
9527 /* Statistics of linearization */
9528 bp->lin_cnt++;
9529 if (skb_linearize(skb) != 0) {
9530 DP(NETIF_MSG_TX_QUEUED, "SKB linearization failed - "
9531 "silently dropping this SKB\n");
9532 dev_kfree_skb_any(skb);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009533 return NETDEV_TX_OK;
Eilon Greenstein755735e2008-06-23 20:35:13 -07009534 }
9535 }
9536
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009537 /*
Eilon Greenstein755735e2008-06-23 20:35:13 -07009538 Please read carefully. First we use one BD which we mark as start,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009539 then for TSO or xsum we have a parsing info BD,
Eilon Greenstein755735e2008-06-23 20:35:13 -07009540 and only then we have the rest of the TSO BDs.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009541 (don't forget to mark the last one as last,
9542 and to unmap only AFTER you write to the BD ...)
Eilon Greenstein755735e2008-06-23 20:35:13 -07009543 And above all, all pdb sizes are in words - NOT DWORDS!
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009544 */
9545
9546 pkt_prod = fp->tx_pkt_prod++;
Eilon Greenstein755735e2008-06-23 20:35:13 -07009547 bd_prod = TX_BD(fp->tx_bd_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009548
Eilon Greenstein755735e2008-06-23 20:35:13 -07009549 /* get a tx_buf and first BD */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009550 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
9551 tx_bd = &fp->tx_desc_ring[bd_prod];
9552
9553 tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
9554 tx_bd->general_data = (UNICAST_ADDRESS <<
9555 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT);
Eilon Greenstein3196a882008-08-13 15:58:49 -07009556 /* header nbd */
9557 tx_bd->general_data |= (1 << ETH_TX_BD_HDR_NBDS_SHIFT);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009558
Eilon Greenstein755735e2008-06-23 20:35:13 -07009559 /* remember the first BD of the packet */
9560 tx_buf->first_bd = fp->tx_bd_prod;
9561 tx_buf->skb = skb;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009562
9563 DP(NETIF_MSG_TX_QUEUED,
9564 "sending pkt %u @%p next_idx %u bd %u @%p\n",
9565 pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_bd);
9566
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009567 if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb)) {
9568 tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb));
9569 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG;
Eilon Greenstein755735e2008-06-23 20:35:13 -07009570 vlan_off += 4;
9571 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009572 tx_bd->vlan = cpu_to_le16(pkt_prod);
Eilon Greenstein755735e2008-06-23 20:35:13 -07009573
9574 if (xmit_type) {
Eilon Greenstein755735e2008-06-23 20:35:13 -07009575 /* turn on parsing and get a BD */
9576 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9577 pbd = (void *)&fp->tx_desc_ring[bd_prod];
9578
9579 memset(pbd, 0, sizeof(struct eth_tx_parse_bd));
9580 }
9581
9582 if (xmit_type & XMIT_CSUM) {
9583 hlen = (skb_network_header(skb) - skb->data + vlan_off) / 2;
9584
9585 /* for now NS flag is not used in Linux */
9586 pbd->global_data = (hlen |
9587 ((skb->protocol == ntohs(ETH_P_8021Q)) <<
9588 ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT));
9589
9590 pbd->ip_hlen = (skb_transport_header(skb) -
9591 skb_network_header(skb)) / 2;
9592
9593 hlen += pbd->ip_hlen + tcp_hdrlen(skb) / 2;
9594
9595 pbd->total_hlen = cpu_to_le16(hlen);
9596 hlen = hlen*2 - vlan_off;
9597
9598 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM;
9599
9600 if (xmit_type & XMIT_CSUM_V4)
9601 tx_bd->bd_flags.as_bitfield |=
9602 ETH_TX_BD_FLAGS_IP_CSUM;
9603 else
9604 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IPV6;
9605
9606 if (xmit_type & XMIT_CSUM_TCP) {
9607 pbd->tcp_pseudo_csum = swab16(tcp_hdr(skb)->check);
9608
9609 } else {
9610 s8 fix = SKB_CS_OFF(skb); /* signed! */
9611
9612 pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG;
9613 pbd->cs_offset = fix / 2;
9614
9615 DP(NETIF_MSG_TX_QUEUED,
9616 "hlen %d offset %d fix %d csum before fix %x\n",
9617 le16_to_cpu(pbd->total_hlen), pbd->cs_offset, fix,
9618 SKB_CS(skb));
9619
9620 /* HW bug: fixup the CSUM */
9621 pbd->tcp_pseudo_csum =
9622 bnx2x_csum_fix(skb_transport_header(skb),
9623 SKB_CS(skb), fix);
9624
9625 DP(NETIF_MSG_TX_QUEUED, "csum after fix %x\n",
9626 pbd->tcp_pseudo_csum);
9627 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009628 }
9629
9630 mapping = pci_map_single(bp->pdev, skb->data,
Eilon Greenstein755735e2008-06-23 20:35:13 -07009631 skb_headlen(skb), PCI_DMA_TODEVICE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009632
9633 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9634 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
Eilon Greenstein6378c022008-08-13 15:59:25 -07009635 nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL) ? 1 : 2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009636 tx_bd->nbd = cpu_to_le16(nbd);
9637 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
9638
9639 DP(NETIF_MSG_TX_QUEUED, "first bd @%p addr (%x:%x) nbd %d"
Eilon Greenstein755735e2008-06-23 20:35:13 -07009640 " nbytes %d flags %x vlan %x\n",
9641 tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, le16_to_cpu(tx_bd->nbd),
9642 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield,
9643 le16_to_cpu(tx_bd->vlan));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009644
Eilon Greenstein755735e2008-06-23 20:35:13 -07009645 if (xmit_type & XMIT_GSO) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009646
9647 DP(NETIF_MSG_TX_QUEUED,
9648 "TSO packet len %d hlen %d total len %d tso size %d\n",
9649 skb->len, hlen, skb_headlen(skb),
9650 skb_shinfo(skb)->gso_size);
9651
9652 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO;
9653
Eilon Greenstein755735e2008-06-23 20:35:13 -07009654 if (unlikely(skb_headlen(skb) > hlen))
9655 bd_prod = bnx2x_tx_split(bp, fp, &tx_bd, hlen,
9656 bd_prod, ++nbd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009657
9658 pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
9659 pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq);
Eilon Greenstein755735e2008-06-23 20:35:13 -07009660 pbd->tcp_flags = pbd_tcp_flags(skb);
9661
9662 if (xmit_type & XMIT_GSO_V4) {
9663 pbd->ip_id = swab16(ip_hdr(skb)->id);
9664 pbd->tcp_pseudo_csum =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009665 swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr,
9666 ip_hdr(skb)->daddr,
9667 0, IPPROTO_TCP, 0));
Eilon Greenstein755735e2008-06-23 20:35:13 -07009668
9669 } else
9670 pbd->tcp_pseudo_csum =
9671 swab16(~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
9672 &ipv6_hdr(skb)->daddr,
9673 0, IPPROTO_TCP, 0));
9674
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009675 pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN;
9676 }
9677
Eilon Greenstein755735e2008-06-23 20:35:13 -07009678 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
9679 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009680
Eilon Greenstein755735e2008-06-23 20:35:13 -07009681 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9682 tx_bd = &fp->tx_desc_ring[bd_prod];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009683
Eilon Greenstein755735e2008-06-23 20:35:13 -07009684 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
9685 frag->size, PCI_DMA_TODEVICE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009686
Eilon Greenstein755735e2008-06-23 20:35:13 -07009687 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9688 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9689 tx_bd->nbytes = cpu_to_le16(frag->size);
9690 tx_bd->vlan = cpu_to_le16(pkt_prod);
9691 tx_bd->bd_flags.as_bitfield = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009692
Eilon Greenstein755735e2008-06-23 20:35:13 -07009693 DP(NETIF_MSG_TX_QUEUED,
9694 "frag %d bd @%p addr (%x:%x) nbytes %d flags %x\n",
9695 i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo,
9696 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009697 }
9698
Eilon Greenstein755735e2008-06-23 20:35:13 -07009699 /* now at last mark the BD as the last BD */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009700 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD;
9701
9702 DP(NETIF_MSG_TX_QUEUED, "last bd @%p flags %x\n",
9703 tx_bd, tx_bd->bd_flags.as_bitfield);
9704
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009705 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9706
Eilon Greenstein755735e2008-06-23 20:35:13 -07009707 /* now send a tx doorbell, counting the next BD
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009708 * if the packet contains or ends with it
9709 */
9710 if (TX_BD_POFF(bd_prod) < nbd)
9711 nbd++;
9712
9713 if (pbd)
9714 DP(NETIF_MSG_TX_QUEUED,
9715 "PBD @%p ip_data %x ip_hlen %u ip_id %u lso_mss %u"
9716 " tcp_flags %x xsum %x seq %u hlen %u\n",
9717 pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id,
9718 pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum,
Eilon Greenstein755735e2008-06-23 20:35:13 -07009719 pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009720
Eilon Greenstein755735e2008-06-23 20:35:13 -07009721 DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d bd %u\n", nbd, bd_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009722
Eilon Greenstein58f4c4c2009-01-14 21:23:36 -08009723 /*
9724 * Make sure that the BD data is updated before updating the producer
9725 * since FW might read the BD right after the producer is updated.
9726 * This is only applicable for weak-ordered memory model archs such
9727 * as IA-64. The following barrier is also mandatory since FW will
9728 * assumes packets must have BDs.
9729 */
9730 wmb();
9731
Eliezer Tamir96fc1782008-02-28 11:57:55 -08009732 fp->hw_tx_prods->bds_prod =
9733 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + nbd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009734 mb(); /* FW restriction: must not reorder writing nbd and packets */
Eliezer Tamir96fc1782008-02-28 11:57:55 -08009735 fp->hw_tx_prods->packets_prod =
9736 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
Eilon Greenstein755735e2008-06-23 20:35:13 -07009737 DOORBELL(bp, FP_IDX(fp), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009738
9739 mmiowb();
9740
Eilon Greenstein755735e2008-06-23 20:35:13 -07009741 fp->tx_bd_prod += nbd;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009742 dev->trans_start = jiffies;
9743
9744 if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
Eilon Greenstein58f4c4c2009-01-14 21:23:36 -08009745 /* We want bnx2x_tx_int to "see" the updated tx_bd_prod
9746 if we put Tx into XOFF state. */
9747 smp_mb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009748 netif_stop_queue(dev);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009749 bp->eth_stats.driver_xoff++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009750 if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
9751 netif_wake_queue(dev);
9752 }
9753 fp->tx_pkt++;
9754
9755 return NETDEV_TX_OK;
9756}
9757
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009758/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009759static int bnx2x_open(struct net_device *dev)
9760{
9761 struct bnx2x *bp = netdev_priv(dev);
9762
9763 bnx2x_set_power_state(bp, PCI_D0);
9764
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009765 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009766}
9767
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009768/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009769static int bnx2x_close(struct net_device *dev)
9770{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009771 struct bnx2x *bp = netdev_priv(dev);
9772
9773 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009774 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
9775 if (atomic_read(&bp->pdev->enable_cnt) == 1)
9776 if (!CHIP_REV_IS_SLOW(bp))
9777 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009778
9779 return 0;
9780}
9781
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009782/* called with netif_tx_lock from set_multicast */
9783static void bnx2x_set_rx_mode(struct net_device *dev)
9784{
9785 struct bnx2x *bp = netdev_priv(dev);
9786 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
9787 int port = BP_PORT(bp);
9788
9789 if (bp->state != BNX2X_STATE_OPEN) {
9790 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
9791 return;
9792 }
9793
9794 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
9795
9796 if (dev->flags & IFF_PROMISC)
9797 rx_mode = BNX2X_RX_MODE_PROMISC;
9798
9799 else if ((dev->flags & IFF_ALLMULTI) ||
9800 ((dev->mc_count > BNX2X_MAX_MULTICAST) && CHIP_IS_E1(bp)))
9801 rx_mode = BNX2X_RX_MODE_ALLMULTI;
9802
9803 else { /* some multicasts */
9804 if (CHIP_IS_E1(bp)) {
9805 int i, old, offset;
9806 struct dev_mc_list *mclist;
9807 struct mac_configuration_cmd *config =
9808 bnx2x_sp(bp, mcast_config);
9809
9810 for (i = 0, mclist = dev->mc_list;
9811 mclist && (i < dev->mc_count);
9812 i++, mclist = mclist->next) {
9813
9814 config->config_table[i].
9815 cam_entry.msb_mac_addr =
9816 swab16(*(u16 *)&mclist->dmi_addr[0]);
9817 config->config_table[i].
9818 cam_entry.middle_mac_addr =
9819 swab16(*(u16 *)&mclist->dmi_addr[2]);
9820 config->config_table[i].
9821 cam_entry.lsb_mac_addr =
9822 swab16(*(u16 *)&mclist->dmi_addr[4]);
9823 config->config_table[i].cam_entry.flags =
9824 cpu_to_le16(port);
9825 config->config_table[i].
9826 target_table_entry.flags = 0;
9827 config->config_table[i].
9828 target_table_entry.client_id = 0;
9829 config->config_table[i].
9830 target_table_entry.vlan_id = 0;
9831
9832 DP(NETIF_MSG_IFUP,
9833 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
9834 config->config_table[i].
9835 cam_entry.msb_mac_addr,
9836 config->config_table[i].
9837 cam_entry.middle_mac_addr,
9838 config->config_table[i].
9839 cam_entry.lsb_mac_addr);
9840 }
9841 old = config->hdr.length_6b;
9842 if (old > i) {
9843 for (; i < old; i++) {
9844 if (CAM_IS_INVALID(config->
9845 config_table[i])) {
9846 i--; /* already invalidated */
9847 break;
9848 }
9849 /* invalidate */
9850 CAM_INVALIDATE(config->
9851 config_table[i]);
9852 }
9853 }
9854
9855 if (CHIP_REV_IS_SLOW(bp))
9856 offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
9857 else
9858 offset = BNX2X_MAX_MULTICAST*(1 + port);
9859
9860 config->hdr.length_6b = i;
9861 config->hdr.offset = offset;
9862 config->hdr.client_id = BP_CL_ID(bp);
9863 config->hdr.reserved1 = 0;
9864
9865 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
9866 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
9867 U64_LO(bnx2x_sp_mapping(bp, mcast_config)),
9868 0);
9869 } else { /* E1H */
9870 /* Accept one or more multicasts */
9871 struct dev_mc_list *mclist;
9872 u32 mc_filter[MC_HASH_SIZE];
9873 u32 crc, bit, regidx;
9874 int i;
9875
9876 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
9877
9878 for (i = 0, mclist = dev->mc_list;
9879 mclist && (i < dev->mc_count);
9880 i++, mclist = mclist->next) {
9881
Johannes Berg7c510e42008-10-27 17:47:26 -07009882 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
9883 mclist->dmi_addr);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009884
9885 crc = crc32c_le(0, mclist->dmi_addr, ETH_ALEN);
9886 bit = (crc >> 24) & 0xff;
9887 regidx = bit >> 5;
9888 bit &= 0x1f;
9889 mc_filter[regidx] |= (1 << bit);
9890 }
9891
9892 for (i = 0; i < MC_HASH_SIZE; i++)
9893 REG_WR(bp, MC_HASH_OFFSET(bp, i),
9894 mc_filter[i]);
9895 }
9896 }
9897
9898 bp->rx_mode = rx_mode;
9899 bnx2x_set_storm_rx_mode(bp);
9900}
9901
9902/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009903static int bnx2x_change_mac_addr(struct net_device *dev, void *p)
9904{
9905 struct sockaddr *addr = p;
9906 struct bnx2x *bp = netdev_priv(dev);
9907
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009908 if (!is_valid_ether_addr((u8 *)(addr->sa_data)))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009909 return -EINVAL;
9910
9911 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009912 if (netif_running(dev)) {
9913 if (CHIP_IS_E1(bp))
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07009914 bnx2x_set_mac_addr_e1(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009915 else
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07009916 bnx2x_set_mac_addr_e1h(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009917 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009918
9919 return 0;
9920}
9921
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009922/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009923static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9924{
9925 struct mii_ioctl_data *data = if_mii(ifr);
9926 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein3196a882008-08-13 15:58:49 -07009927 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009928 int err;
9929
9930 switch (cmd) {
9931 case SIOCGMIIPHY:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009932 data->phy_id = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009933
Eliezer Tamirc14423f2008-02-28 11:49:42 -08009934 /* fallthrough */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009935
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009936 case SIOCGMIIREG: {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009937 u16 mii_regval;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009938
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009939 if (!netif_running(dev))
9940 return -EAGAIN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009941
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009942 mutex_lock(&bp->port.phy_mutex);
Eilon Greenstein3196a882008-08-13 15:58:49 -07009943 err = bnx2x_cl45_read(bp, port, 0, bp->port.phy_addr,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009944 DEFAULT_PHY_DEV_ADDR,
9945 (data->reg_num & 0x1f), &mii_regval);
9946 data->val_out = mii_regval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009947 mutex_unlock(&bp->port.phy_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009948 return err;
9949 }
9950
9951 case SIOCSMIIREG:
9952 if (!capable(CAP_NET_ADMIN))
9953 return -EPERM;
9954
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009955 if (!netif_running(dev))
9956 return -EAGAIN;
9957
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009958 mutex_lock(&bp->port.phy_mutex);
Eilon Greenstein3196a882008-08-13 15:58:49 -07009959 err = bnx2x_cl45_write(bp, port, 0, bp->port.phy_addr,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009960 DEFAULT_PHY_DEV_ADDR,
9961 (data->reg_num & 0x1f), data->val_in);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009962 mutex_unlock(&bp->port.phy_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009963 return err;
9964
9965 default:
9966 /* do nothing */
9967 break;
9968 }
9969
9970 return -EOPNOTSUPP;
9971}
9972
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009973/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009974static int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
9975{
9976 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009977 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009978
9979 if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) ||
9980 ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE))
9981 return -EINVAL;
9982
9983 /* This does not race with packet allocation
Eliezer Tamirc14423f2008-02-28 11:49:42 -08009984 * because the actual alloc size is
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009985 * only updated as part of load
9986 */
9987 dev->mtu = new_mtu;
9988
9989 if (netif_running(dev)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009990 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
9991 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009992 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009993
9994 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009995}
9996
9997static void bnx2x_tx_timeout(struct net_device *dev)
9998{
9999 struct bnx2x *bp = netdev_priv(dev);
10000
10001#ifdef BNX2X_STOP_ON_ERROR
10002 if (!bp->panic)
10003 bnx2x_panic();
10004#endif
10005 /* This allows the netif to be shutdown gracefully before resetting */
10006 schedule_work(&bp->reset_task);
10007}
10008
10009#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010010/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010011static void bnx2x_vlan_rx_register(struct net_device *dev,
10012 struct vlan_group *vlgrp)
10013{
10014 struct bnx2x *bp = netdev_priv(dev);
10015
10016 bp->vlgrp = vlgrp;
10017 if (netif_running(dev))
Eliezer Tamir49d66772008-02-28 11:53:13 -080010018 bnx2x_set_client_config(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010019}
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010020
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010021#endif
10022
10023#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
10024static void poll_bnx2x(struct net_device *dev)
10025{
10026 struct bnx2x *bp = netdev_priv(dev);
10027
10028 disable_irq(bp->pdev->irq);
10029 bnx2x_interrupt(bp->pdev->irq, dev);
10030 enable_irq(bp->pdev->irq);
10031}
10032#endif
10033
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010034static const struct net_device_ops bnx2x_netdev_ops = {
10035 .ndo_open = bnx2x_open,
10036 .ndo_stop = bnx2x_close,
10037 .ndo_start_xmit = bnx2x_start_xmit,
10038 .ndo_set_multicast_list = bnx2x_set_rx_mode,
10039 .ndo_set_mac_address = bnx2x_change_mac_addr,
10040 .ndo_validate_addr = eth_validate_addr,
10041 .ndo_do_ioctl = bnx2x_ioctl,
10042 .ndo_change_mtu = bnx2x_change_mtu,
10043 .ndo_tx_timeout = bnx2x_tx_timeout,
10044#ifdef BCM_VLAN
10045 .ndo_vlan_rx_register = bnx2x_vlan_rx_register,
10046#endif
10047#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
10048 .ndo_poll_controller = poll_bnx2x,
10049#endif
10050};
10051
10052
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010053static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
10054 struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010055{
10056 struct bnx2x *bp;
10057 int rc;
10058
10059 SET_NETDEV_DEV(dev, &pdev->dev);
10060 bp = netdev_priv(dev);
10061
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010062 bp->dev = dev;
10063 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010064 bp->flags = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010065 bp->func = PCI_FUNC(pdev->devfn);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010066
10067 rc = pci_enable_device(pdev);
10068 if (rc) {
10069 printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n");
10070 goto err_out;
10071 }
10072
10073 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
10074 printk(KERN_ERR PFX "Cannot find PCI device base address,"
10075 " aborting\n");
10076 rc = -ENODEV;
10077 goto err_out_disable;
10078 }
10079
10080 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
10081 printk(KERN_ERR PFX "Cannot find second PCI device"
10082 " base address, aborting\n");
10083 rc = -ENODEV;
10084 goto err_out_disable;
10085 }
10086
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010087 if (atomic_read(&pdev->enable_cnt) == 1) {
10088 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
10089 if (rc) {
10090 printk(KERN_ERR PFX "Cannot obtain PCI resources,"
10091 " aborting\n");
10092 goto err_out_disable;
10093 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010094
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010095 pci_set_master(pdev);
10096 pci_save_state(pdev);
10097 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010098
10099 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
10100 if (bp->pm_cap == 0) {
10101 printk(KERN_ERR PFX "Cannot find power management"
10102 " capability, aborting\n");
10103 rc = -EIO;
10104 goto err_out_release;
10105 }
10106
10107 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
10108 if (bp->pcie_cap == 0) {
10109 printk(KERN_ERR PFX "Cannot find PCI Express capability,"
10110 " aborting\n");
10111 rc = -EIO;
10112 goto err_out_release;
10113 }
10114
10115 if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
10116 bp->flags |= USING_DAC_FLAG;
10117 if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
10118 printk(KERN_ERR PFX "pci_set_consistent_dma_mask"
10119 " failed, aborting\n");
10120 rc = -EIO;
10121 goto err_out_release;
10122 }
10123
10124 } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
10125 printk(KERN_ERR PFX "System does not support DMA,"
10126 " aborting\n");
10127 rc = -EIO;
10128 goto err_out_release;
10129 }
10130
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010131 dev->mem_start = pci_resource_start(pdev, 0);
10132 dev->base_addr = dev->mem_start;
10133 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010134
10135 dev->irq = pdev->irq;
10136
Arjan van de Ven275f1652008-10-20 21:42:39 -070010137 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010138 if (!bp->regview) {
10139 printk(KERN_ERR PFX "Cannot map register space, aborting\n");
10140 rc = -ENOMEM;
10141 goto err_out_release;
10142 }
10143
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010144 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
10145 min_t(u64, BNX2X_DB_SIZE,
10146 pci_resource_len(pdev, 2)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010147 if (!bp->doorbells) {
10148 printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n");
10149 rc = -ENOMEM;
10150 goto err_out_unmap;
10151 }
10152
10153 bnx2x_set_power_state(bp, PCI_D0);
10154
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010155 /* clean indirect addresses */
10156 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
10157 PCICFG_VENDOR_ID_OFFSET);
10158 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
10159 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
10160 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
10161 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010162
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010163 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010164
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010165 dev->netdev_ops = &bnx2x_netdev_ops;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010166 dev->ethtool_ops = &bnx2x_ethtool_ops;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010167 dev->features |= NETIF_F_SG;
10168 dev->features |= NETIF_F_HW_CSUM;
10169 if (bp->flags & USING_DAC_FLAG)
10170 dev->features |= NETIF_F_HIGHDMA;
10171#ifdef BCM_VLAN
10172 dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
10173#endif
10174 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735e2008-06-23 20:35:13 -070010175 dev->features |= NETIF_F_TSO6;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010176
10177 return 0;
10178
10179err_out_unmap:
10180 if (bp->regview) {
10181 iounmap(bp->regview);
10182 bp->regview = NULL;
10183 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010184 if (bp->doorbells) {
10185 iounmap(bp->doorbells);
10186 bp->doorbells = NULL;
10187 }
10188
10189err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010190 if (atomic_read(&pdev->enable_cnt) == 1)
10191 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010192
10193err_out_disable:
10194 pci_disable_device(pdev);
10195 pci_set_drvdata(pdev, NULL);
10196
10197err_out:
10198 return rc;
10199}
10200
Eliezer Tamir25047952008-02-28 11:50:16 -080010201static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp)
10202{
10203 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10204
10205 val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
10206 return val;
10207}
10208
10209/* return value of 1=2.5GHz 2=5GHz */
10210static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp)
10211{
10212 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10213
10214 val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
10215 return val;
10216}
10217
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010218static int __devinit bnx2x_init_one(struct pci_dev *pdev,
10219 const struct pci_device_id *ent)
10220{
10221 static int version_printed;
10222 struct net_device *dev = NULL;
10223 struct bnx2x *bp;
Eliezer Tamir25047952008-02-28 11:50:16 -080010224 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010225
10226 if (version_printed++ == 0)
10227 printk(KERN_INFO "%s", version);
10228
10229 /* dev zeroed in init_etherdev */
10230 dev = alloc_etherdev(sizeof(*bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010231 if (!dev) {
10232 printk(KERN_ERR PFX "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010233 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010234 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010235
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010236 bp = netdev_priv(dev);
10237 bp->msglevel = debug;
10238
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010239 rc = bnx2x_init_dev(pdev, dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010240 if (rc < 0) {
10241 free_netdev(dev);
10242 return rc;
10243 }
10244
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010245 rc = register_netdev(dev);
10246 if (rc) {
Eliezer Tamirc14423f2008-02-28 11:49:42 -080010247 dev_err(&pdev->dev, "Cannot register net device\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010248 goto init_one_exit;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010249 }
10250
10251 pci_set_drvdata(pdev, dev);
10252
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010253 rc = bnx2x_init_bp(bp);
10254 if (rc) {
10255 unregister_netdev(dev);
10256 goto init_one_exit;
10257 }
10258
Eilon Greenstein12b56ea2008-11-03 16:46:40 -080010259 netif_carrier_off(dev);
10260
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010261 bp->common.name = board_info[ent->driver_data].name;
Eliezer Tamir25047952008-02-28 11:50:16 -080010262 printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx,"
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010263 " IRQ %d, ", dev->name, bp->common.name,
10264 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
Eliezer Tamir25047952008-02-28 11:50:16 -080010265 bnx2x_get_pcie_width(bp),
10266 (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz",
10267 dev->base_addr, bp->pdev->irq);
Johannes Berge1749612008-10-27 15:59:26 -070010268 printk(KERN_CONT "node addr %pM\n", dev->dev_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010269 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010270
10271init_one_exit:
10272 if (bp->regview)
10273 iounmap(bp->regview);
10274
10275 if (bp->doorbells)
10276 iounmap(bp->doorbells);
10277
10278 free_netdev(dev);
10279
10280 if (atomic_read(&pdev->enable_cnt) == 1)
10281 pci_release_regions(pdev);
10282
10283 pci_disable_device(pdev);
10284 pci_set_drvdata(pdev, NULL);
10285
10286 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010287}
10288
10289static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
10290{
10291 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010292 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010293
Eliezer Tamir228241e2008-02-28 11:56:57 -080010294 if (!dev) {
Eliezer Tamir228241e2008-02-28 11:56:57 -080010295 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10296 return;
10297 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010298 bp = netdev_priv(dev);
10299
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010300 unregister_netdev(dev);
10301
10302 if (bp->regview)
10303 iounmap(bp->regview);
10304
10305 if (bp->doorbells)
10306 iounmap(bp->doorbells);
10307
10308 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010309
10310 if (atomic_read(&pdev->enable_cnt) == 1)
10311 pci_release_regions(pdev);
10312
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010313 pci_disable_device(pdev);
10314 pci_set_drvdata(pdev, NULL);
10315}
10316
10317static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
10318{
10319 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010320 struct bnx2x *bp;
10321
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010322 if (!dev) {
10323 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10324 return -ENODEV;
10325 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010326 bp = netdev_priv(dev);
10327
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010328 rtnl_lock();
10329
10330 pci_save_state(pdev);
10331
10332 if (!netif_running(dev)) {
10333 rtnl_unlock();
10334 return 0;
10335 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010336
10337 netif_device_detach(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010338
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -070010339 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010340
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010341 bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
Eliezer Tamir228241e2008-02-28 11:56:57 -080010342
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010343 rtnl_unlock();
10344
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010345 return 0;
10346}
10347
10348static int bnx2x_resume(struct pci_dev *pdev)
10349{
10350 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010351 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010352 int rc;
10353
Eliezer Tamir228241e2008-02-28 11:56:57 -080010354 if (!dev) {
10355 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10356 return -ENODEV;
10357 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010358 bp = netdev_priv(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010359
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010360 rtnl_lock();
10361
Eliezer Tamir228241e2008-02-28 11:56:57 -080010362 pci_restore_state(pdev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010363
10364 if (!netif_running(dev)) {
10365 rtnl_unlock();
10366 return 0;
10367 }
10368
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010369 bnx2x_set_power_state(bp, PCI_D0);
10370 netif_device_attach(dev);
10371
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -070010372 rc = bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010373
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010374 rtnl_unlock();
10375
10376 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010377}
10378
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070010379static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
10380{
10381 int i;
10382
10383 bp->state = BNX2X_STATE_ERROR;
10384
10385 bp->rx_mode = BNX2X_RX_MODE_NONE;
10386
10387 bnx2x_netif_stop(bp, 0);
10388
10389 del_timer_sync(&bp->timer);
10390 bp->stats_state = STATS_STATE_DISABLED;
10391 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
10392
10393 /* Release IRQs */
10394 bnx2x_free_irq(bp);
10395
10396 if (CHIP_IS_E1(bp)) {
10397 struct mac_configuration_cmd *config =
10398 bnx2x_sp(bp, mcast_config);
10399
10400 for (i = 0; i < config->hdr.length_6b; i++)
10401 CAM_INVALIDATE(config->config_table[i]);
10402 }
10403
10404 /* Free SKBs, SGEs, TPA pool and driver internals */
10405 bnx2x_free_skbs(bp);
10406 for_each_queue(bp, i)
10407 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
10408 bnx2x_free_mem(bp);
10409
10410 bp->state = BNX2X_STATE_CLOSED;
10411
10412 netif_carrier_off(bp->dev);
10413
10414 return 0;
10415}
10416
10417static void bnx2x_eeh_recover(struct bnx2x *bp)
10418{
10419 u32 val;
10420
10421 mutex_init(&bp->port.phy_mutex);
10422
10423 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
10424 bp->link_params.shmem_base = bp->common.shmem_base;
10425 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
10426
10427 if (!bp->common.shmem_base ||
10428 (bp->common.shmem_base < 0xA0000) ||
10429 (bp->common.shmem_base >= 0xC0000)) {
10430 BNX2X_DEV_INFO("MCP not active\n");
10431 bp->flags |= NO_MCP_FLAG;
10432 return;
10433 }
10434
10435 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
10436 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
10437 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
10438 BNX2X_ERR("BAD MCP validity signature\n");
10439
10440 if (!BP_NOMCP(bp)) {
10441 bp->fw_seq = (SHMEM_RD(bp, func_mb[BP_FUNC(bp)].drv_mb_header)
10442 & DRV_MSG_SEQ_NUMBER_MASK);
10443 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
10444 }
10445}
10446
Wendy Xiong493adb12008-06-23 20:36:22 -070010447/**
10448 * bnx2x_io_error_detected - called when PCI error is detected
10449 * @pdev: Pointer to PCI device
10450 * @state: The current pci connection state
10451 *
10452 * This function is called after a PCI bus error affecting
10453 * this device has been detected.
10454 */
10455static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
10456 pci_channel_state_t state)
10457{
10458 struct net_device *dev = pci_get_drvdata(pdev);
10459 struct bnx2x *bp = netdev_priv(dev);
10460
10461 rtnl_lock();
10462
10463 netif_device_detach(dev);
10464
10465 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070010466 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -070010467
10468 pci_disable_device(pdev);
10469
10470 rtnl_unlock();
10471
10472 /* Request a slot reset */
10473 return PCI_ERS_RESULT_NEED_RESET;
10474}
10475
10476/**
10477 * bnx2x_io_slot_reset - called after the PCI bus has been reset
10478 * @pdev: Pointer to PCI device
10479 *
10480 * Restart the card from scratch, as if from a cold-boot.
10481 */
10482static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
10483{
10484 struct net_device *dev = pci_get_drvdata(pdev);
10485 struct bnx2x *bp = netdev_priv(dev);
10486
10487 rtnl_lock();
10488
10489 if (pci_enable_device(pdev)) {
10490 dev_err(&pdev->dev,
10491 "Cannot re-enable PCI device after reset\n");
10492 rtnl_unlock();
10493 return PCI_ERS_RESULT_DISCONNECT;
10494 }
10495
10496 pci_set_master(pdev);
10497 pci_restore_state(pdev);
10498
10499 if (netif_running(dev))
10500 bnx2x_set_power_state(bp, PCI_D0);
10501
10502 rtnl_unlock();
10503
10504 return PCI_ERS_RESULT_RECOVERED;
10505}
10506
10507/**
10508 * bnx2x_io_resume - called when traffic can start flowing again
10509 * @pdev: Pointer to PCI device
10510 *
10511 * This callback is called when the error recovery driver tells us that
10512 * its OK to resume normal operation.
10513 */
10514static void bnx2x_io_resume(struct pci_dev *pdev)
10515{
10516 struct net_device *dev = pci_get_drvdata(pdev);
10517 struct bnx2x *bp = netdev_priv(dev);
10518
10519 rtnl_lock();
10520
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070010521 bnx2x_eeh_recover(bp);
10522
Wendy Xiong493adb12008-06-23 20:36:22 -070010523 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070010524 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -070010525
10526 netif_device_attach(dev);
10527
10528 rtnl_unlock();
10529}
10530
10531static struct pci_error_handlers bnx2x_err_handler = {
10532 .error_detected = bnx2x_io_error_detected,
10533 .slot_reset = bnx2x_io_slot_reset,
10534 .resume = bnx2x_io_resume,
10535};
10536
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010537static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070010538 .name = DRV_MODULE_NAME,
10539 .id_table = bnx2x_pci_tbl,
10540 .probe = bnx2x_init_one,
10541 .remove = __devexit_p(bnx2x_remove_one),
10542 .suspend = bnx2x_suspend,
10543 .resume = bnx2x_resume,
10544 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010545};
10546
10547static int __init bnx2x_init(void)
10548{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080010549 bnx2x_wq = create_singlethread_workqueue("bnx2x");
10550 if (bnx2x_wq == NULL) {
10551 printk(KERN_ERR PFX "Cannot create workqueue\n");
10552 return -ENOMEM;
10553 }
10554
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010555 return pci_register_driver(&bnx2x_pci_driver);
10556}
10557
10558static void __exit bnx2x_cleanup(void)
10559{
10560 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080010561
10562 destroy_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010563}
10564
10565module_init(bnx2x_init);
10566module_exit(bnx2x_cleanup);
10567