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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),
977 BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
978 __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
1005 mapping = pci_map_page(bp->pdev, page, 0, BCM_PAGE_SIZE*PAGES_PER_SGE,
1006 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;
1101 u16 sge_len = BCM_PAGE_ALIGN(le16_to_cpu(fp_cqe->pkt_len) -
1102 le16_to_cpu(fp_cqe->len_on_bd)) >>
1103 BCM_PAGE_SHIFT;
1104 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;
1208 struct page *sge;
1209 u16 len_on_bd = le16_to_cpu(fp_cqe->len_on_bd);
1210 u32 i, frag_len, frag_size, pages;
1211 int err;
1212 int j;
1213
1214 frag_size = le16_to_cpu(fp_cqe->pkt_len) - len_on_bd;
1215 pages = BCM_PAGE_ALIGN(frag_size) >> BCM_PAGE_SHIFT;
1216
1217 /* This is needed in order to enable forwarding support */
1218 if (frag_size)
1219 skb_shinfo(skb)->gso_size = min((u32)BCM_PAGE_SIZE,
1220 max(frag_size, (u32)len_on_bd));
1221
1222#ifdef BNX2X_STOP_ON_ERROR
1223 if (pages > 8*PAGES_PER_SGE) {
1224 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) */
1239 frag_len = min(frag_size, (u32)(BCM_PAGE_SIZE*PAGES_PER_SGE));
1240 rx_pg = &fp->rx_page_ring[sge_idx];
1241 sge = rx_pg->page;
1242 old_rx_pg = *rx_pg;
1243
1244 /* If we fail to allocate a substitute page, we simply stop
1245 where we are and drop the whole packet */
1246 err = bnx2x_alloc_rx_sge(bp, fp, sge_idx);
1247 if (unlikely(err)) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001248 bp->eth_stats.rx_skb_alloc_failed++;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001249 return err;
1250 }
1251
1252 /* Unmap the page as we r going to pass it to the stack */
1253 pci_unmap_page(bp->pdev, pci_unmap_addr(&old_rx_pg, mapping),
1254 BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
1255
1256 /* Add one frag and update the appropriate fields in the skb */
1257 skb_fill_page_desc(skb, j, old_rx_pg.page, 0, frag_len);
1258
1259 skb->data_len += frag_len;
1260 skb->truesize += frag_len;
1261 skb->len += frag_len;
1262
1263 frag_size -= frag_len;
1264 }
1265
1266 return 0;
1267}
1268
1269static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1270 u16 queue, int pad, int len, union eth_rx_cqe *cqe,
1271 u16 cqe_idx)
1272{
1273 struct sw_rx_bd *rx_buf = &fp->tpa_pool[queue];
1274 struct sk_buff *skb = rx_buf->skb;
1275 /* alloc new skb */
1276 struct sk_buff *new_skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1277
1278 /* Unmap skb in the pool anyway, as we are going to change
1279 pool entry status to BNX2X_TPA_STOP even if new skb allocation
1280 fails. */
1281 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07001282 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001283
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001284 if (likely(new_skb)) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001285 /* fix ip xsum and give it to the stack */
1286 /* (no need to map the new skb) */
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001287
1288 prefetch(skb);
1289 prefetch(((char *)(skb)) + 128);
1290
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001291#ifdef BNX2X_STOP_ON_ERROR
1292 if (pad + len > bp->rx_buf_size) {
1293 BNX2X_ERR("skb_put is about to fail... "
1294 "pad %d len %d rx_buf_size %d\n",
1295 pad, len, bp->rx_buf_size);
1296 bnx2x_panic();
1297 return;
1298 }
1299#endif
1300
1301 skb_reserve(skb, pad);
1302 skb_put(skb, len);
1303
1304 skb->protocol = eth_type_trans(skb, bp->dev);
1305 skb->ip_summed = CHECKSUM_UNNECESSARY;
1306
1307 {
1308 struct iphdr *iph;
1309
1310 iph = (struct iphdr *)skb->data;
1311 iph->check = 0;
1312 iph->check = ip_fast_csum((u8 *)iph, iph->ihl);
1313 }
1314
1315 if (!bnx2x_fill_frag_skb(bp, fp, skb,
1316 &cqe->fast_path_cqe, cqe_idx)) {
1317#ifdef BCM_VLAN
1318 if ((bp->vlgrp != NULL) &&
1319 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1320 PARSING_FLAGS_VLAN))
1321 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1322 le16_to_cpu(cqe->fast_path_cqe.
1323 vlan_tag));
1324 else
1325#endif
1326 netif_receive_skb(skb);
1327 } else {
1328 DP(NETIF_MSG_RX_STATUS, "Failed to allocate new pages"
1329 " - dropping packet!\n");
1330 dev_kfree_skb(skb);
1331 }
1332
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001333
1334 /* put new skb in bin */
1335 fp->tpa_pool[queue].skb = new_skb;
1336
1337 } else {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001338 /* else drop the packet and keep the buffer in the bin */
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001339 DP(NETIF_MSG_RX_STATUS,
1340 "Failed to allocate new skb - dropping packet!\n");
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001341 bp->eth_stats.rx_skb_alloc_failed++;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001342 }
1343
1344 fp->tpa_state[queue] = BNX2X_TPA_STOP;
1345}
1346
1347static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
1348 struct bnx2x_fastpath *fp,
1349 u16 bd_prod, u16 rx_comp_prod,
1350 u16 rx_sge_prod)
1351{
1352 struct tstorm_eth_rx_producers rx_prods = {0};
1353 int i;
1354
1355 /* Update producers */
1356 rx_prods.bd_prod = bd_prod;
1357 rx_prods.cqe_prod = rx_comp_prod;
1358 rx_prods.sge_prod = rx_sge_prod;
1359
1360 for (i = 0; i < sizeof(struct tstorm_eth_rx_producers)/4; i++)
1361 REG_WR(bp, BAR_TSTRORM_INTMEM +
1362 TSTORM_RX_PRODS_OFFSET(BP_PORT(bp), FP_CL_ID(fp)) + i*4,
1363 ((u32 *)&rx_prods)[i]);
1364
1365 DP(NETIF_MSG_RX_STATUS,
1366 "Wrote: bd_prod %u cqe_prod %u sge_prod %u\n",
1367 bd_prod, rx_comp_prod, rx_sge_prod);
1368}
1369
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001370static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
1371{
1372 struct bnx2x *bp = fp->bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001373 u16 bd_cons, bd_prod, bd_prod_fw, comp_ring_cons;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001374 u16 hw_comp_cons, sw_comp_cons, sw_comp_prod;
1375 int rx_pkt = 0;
1376
1377#ifdef BNX2X_STOP_ON_ERROR
1378 if (unlikely(bp->panic))
1379 return 0;
1380#endif
1381
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001382 /* CQ "next element" is of the size of the regular element,
1383 that's why it's ok here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001384 hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb);
1385 if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
1386 hw_comp_cons++;
1387
1388 bd_cons = fp->rx_bd_cons;
1389 bd_prod = fp->rx_bd_prod;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001390 bd_prod_fw = bd_prod;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001391 sw_comp_cons = fp->rx_comp_cons;
1392 sw_comp_prod = fp->rx_comp_prod;
1393
1394 /* Memory barrier necessary as speculative reads of the rx
1395 * buffer can be ahead of the index in the status block
1396 */
1397 rmb();
1398
1399 DP(NETIF_MSG_RX_STATUS,
1400 "queue[%d]: hw_comp_cons %u sw_comp_cons %u\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001401 FP_IDX(fp), hw_comp_cons, sw_comp_cons);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001402
1403 while (sw_comp_cons != hw_comp_cons) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001404 struct sw_rx_bd *rx_buf = NULL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001405 struct sk_buff *skb;
1406 union eth_rx_cqe *cqe;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001407 u8 cqe_fp_flags;
1408 u16 len, pad;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001409
1410 comp_ring_cons = RCQ_BD(sw_comp_cons);
1411 bd_prod = RX_BD(bd_prod);
1412 bd_cons = RX_BD(bd_cons);
1413
1414 cqe = &fp->rx_comp_ring[comp_ring_cons];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001415 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001416
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001417 DP(NETIF_MSG_RX_STATUS, "CQE type %x err %x status %x"
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001418 " queue %x vlan %x len %u\n", CQE_TYPE(cqe_fp_flags),
1419 cqe_fp_flags, cqe->fast_path_cqe.status_flags,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001420 cqe->fast_path_cqe.rss_hash_result,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001421 le16_to_cpu(cqe->fast_path_cqe.vlan_tag),
1422 le16_to_cpu(cqe->fast_path_cqe.pkt_len));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001423
1424 /* is this a slowpath msg? */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001425 if (unlikely(CQE_TYPE(cqe_fp_flags))) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001426 bnx2x_sp_event(fp, cqe);
1427 goto next_cqe;
1428
1429 /* this is an rx packet */
1430 } else {
1431 rx_buf = &fp->rx_buf_ring[bd_cons];
1432 skb = rx_buf->skb;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001433 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
1434 pad = cqe->fast_path_cqe.placement_offset;
1435
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001436 /* If CQE is marked both TPA_START and TPA_END
1437 it is a non-TPA CQE */
1438 if ((!fp->disable_tpa) &&
1439 (TPA_TYPE(cqe_fp_flags) !=
1440 (TPA_TYPE_START | TPA_TYPE_END))) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07001441 u16 queue = cqe->fast_path_cqe.queue_index;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001442
1443 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_START) {
1444 DP(NETIF_MSG_RX_STATUS,
1445 "calling tpa_start on queue %d\n",
1446 queue);
1447
1448 bnx2x_tpa_start(fp, queue, skb,
1449 bd_cons, bd_prod);
1450 goto next_rx;
1451 }
1452
1453 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_END) {
1454 DP(NETIF_MSG_RX_STATUS,
1455 "calling tpa_stop on queue %d\n",
1456 queue);
1457
1458 if (!BNX2X_RX_SUM_FIX(cqe))
1459 BNX2X_ERR("STOP on none TCP "
1460 "data\n");
1461
1462 /* This is a size of the linear data
1463 on this skb */
1464 len = le16_to_cpu(cqe->fast_path_cqe.
1465 len_on_bd);
1466 bnx2x_tpa_stop(bp, fp, queue, pad,
1467 len, cqe, comp_ring_cons);
1468#ifdef BNX2X_STOP_ON_ERROR
1469 if (bp->panic)
1470 return -EINVAL;
1471#endif
1472
1473 bnx2x_update_sge_prod(fp,
1474 &cqe->fast_path_cqe);
1475 goto next_cqe;
1476 }
1477 }
1478
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001479 pci_dma_sync_single_for_device(bp->pdev,
1480 pci_unmap_addr(rx_buf, mapping),
1481 pad + RX_COPY_THRESH,
1482 PCI_DMA_FROMDEVICE);
1483 prefetch(skb);
1484 prefetch(((char *)(skb)) + 128);
1485
1486 /* is this an error packet? */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001487 if (unlikely(cqe_fp_flags & ETH_RX_ERROR_FALGS)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001488 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001489 "ERROR flags %x rx packet %u\n",
1490 cqe_fp_flags, sw_comp_cons);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001491 bp->eth_stats.rx_err_discard_pkt++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001492 goto reuse_rx;
1493 }
1494
1495 /* Since we don't have a jumbo ring
1496 * copy small packets if mtu > 1500
1497 */
1498 if ((bp->dev->mtu > ETH_MAX_PACKET_SIZE) &&
1499 (len <= RX_COPY_THRESH)) {
1500 struct sk_buff *new_skb;
1501
1502 new_skb = netdev_alloc_skb(bp->dev,
1503 len + pad);
1504 if (new_skb == NULL) {
1505 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001506 "ERROR packet dropped "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001507 "because of alloc failure\n");
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001508 bp->eth_stats.rx_skb_alloc_failed++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001509 goto reuse_rx;
1510 }
1511
1512 /* aligned copy */
1513 skb_copy_from_linear_data_offset(skb, pad,
1514 new_skb->data + pad, len);
1515 skb_reserve(new_skb, pad);
1516 skb_put(new_skb, len);
1517
1518 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1519
1520 skb = new_skb;
1521
1522 } else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) {
1523 pci_unmap_single(bp->pdev,
1524 pci_unmap_addr(rx_buf, mapping),
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07001525 bp->rx_buf_size,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001526 PCI_DMA_FROMDEVICE);
1527 skb_reserve(skb, pad);
1528 skb_put(skb, len);
1529
1530 } else {
1531 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001532 "ERROR packet dropped because "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001533 "of alloc failure\n");
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001534 bp->eth_stats.rx_skb_alloc_failed++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001535reuse_rx:
1536 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1537 goto next_rx;
1538 }
1539
1540 skb->protocol = eth_type_trans(skb, bp->dev);
1541
1542 skb->ip_summed = CHECKSUM_NONE;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001543 if (bp->rx_csum) {
Eilon Greenstein1adcd8b2008-08-13 15:48:29 -07001544 if (likely(BNX2X_RX_CSUM_OK(cqe)))
1545 skb->ip_summed = CHECKSUM_UNNECESSARY;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001546 else
1547 bp->eth_stats.hw_csum_err++;
1548 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001549 }
1550
1551#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001552 if ((bp->vlgrp != NULL) &&
1553 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1554 PARSING_FLAGS_VLAN))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001555 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1556 le16_to_cpu(cqe->fast_path_cqe.vlan_tag));
1557 else
1558#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001559 netif_receive_skb(skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001560
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001561
1562next_rx:
1563 rx_buf->skb = NULL;
1564
1565 bd_cons = NEXT_RX_IDX(bd_cons);
1566 bd_prod = NEXT_RX_IDX(bd_prod);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001567 bd_prod_fw = NEXT_RX_IDX(bd_prod_fw);
1568 rx_pkt++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001569next_cqe:
1570 sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod);
1571 sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001572
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001573 if (rx_pkt == budget)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001574 break;
1575 } /* while */
1576
1577 fp->rx_bd_cons = bd_cons;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001578 fp->rx_bd_prod = bd_prod_fw;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001579 fp->rx_comp_cons = sw_comp_cons;
1580 fp->rx_comp_prod = sw_comp_prod;
1581
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001582 /* Update producers */
1583 bnx2x_update_rx_prod(bp, fp, bd_prod_fw, sw_comp_prod,
1584 fp->rx_sge_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001585 mmiowb(); /* keep prod updates ordered */
1586
1587 fp->rx_pkt += rx_pkt;
1588 fp->rx_calls++;
1589
1590 return rx_pkt;
1591}
1592
1593static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie)
1594{
1595 struct bnx2x_fastpath *fp = fp_cookie;
1596 struct bnx2x *bp = fp->bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001597 int index = FP_IDX(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001598
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07001599 /* Return here if interrupt is disabled */
1600 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1601 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1602 return IRQ_HANDLED;
1603 }
1604
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001605 DP(BNX2X_MSG_FP, "got an MSI-X interrupt on IDX:SB [%d:%d]\n",
1606 index, FP_SB_ID(fp));
1607 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID, 0, IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001608
1609#ifdef BNX2X_STOP_ON_ERROR
1610 if (unlikely(bp->panic))
1611 return IRQ_HANDLED;
1612#endif
1613
1614 prefetch(fp->rx_cons_sb);
1615 prefetch(fp->tx_cons_sb);
1616 prefetch(&fp->status_blk->c_status_block.status_block_index);
1617 prefetch(&fp->status_blk->u_status_block.status_block_index);
1618
Neil Horman908a7a12008-12-22 20:43:12 -08001619 netif_rx_schedule(&bnx2x_fp(bp, index, napi));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001620
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001621 return IRQ_HANDLED;
1622}
1623
1624static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
1625{
1626 struct net_device *dev = dev_instance;
1627 struct bnx2x *bp = netdev_priv(dev);
1628 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001629 u16 mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001630
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001631 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001632 if (unlikely(status == 0)) {
1633 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1634 return IRQ_NONE;
1635 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001636 DP(NETIF_MSG_INTR, "got an interrupt status %u\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001637
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001638 /* Return here if interrupt is disabled */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001639 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1640 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1641 return IRQ_HANDLED;
1642 }
1643
Eilon Greenstein3196a882008-08-13 15:58:49 -07001644#ifdef BNX2X_STOP_ON_ERROR
1645 if (unlikely(bp->panic))
1646 return IRQ_HANDLED;
1647#endif
1648
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001649 mask = 0x2 << bp->fp[0].sb_id;
1650 if (status & mask) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001651 struct bnx2x_fastpath *fp = &bp->fp[0];
1652
1653 prefetch(fp->rx_cons_sb);
1654 prefetch(fp->tx_cons_sb);
1655 prefetch(&fp->status_blk->c_status_block.status_block_index);
1656 prefetch(&fp->status_blk->u_status_block.status_block_index);
1657
Neil Horman908a7a12008-12-22 20:43:12 -08001658 netif_rx_schedule(&bnx2x_fp(bp, 0, napi));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001659
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001660 status &= ~mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001661 }
1662
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001663
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001664 if (unlikely(status & 0x1)) {
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001665 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001666
1667 status &= ~0x1;
1668 if (!status)
1669 return IRQ_HANDLED;
1670 }
1671
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001672 if (status)
1673 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status %u)\n",
1674 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001675
1676 return IRQ_HANDLED;
1677}
1678
1679/* end of fast path */
1680
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07001681static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001682
1683/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001684
1685/*
1686 * General service functions
1687 */
1688
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001689static int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001690{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001691 u32 lock_status;
1692 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001693 int func = BP_FUNC(bp);
1694 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001695 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001696
1697 /* Validating that the resource is within range */
1698 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1699 DP(NETIF_MSG_HW,
1700 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1701 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1702 return -EINVAL;
1703 }
1704
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001705 if (func <= 5) {
1706 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1707 } else {
1708 hw_lock_control_reg =
1709 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1710 }
1711
Eliezer Tamirf1410642008-02-28 11:51:50 -08001712 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001713 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001714 if (lock_status & resource_bit) {
1715 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1716 lock_status, resource_bit);
1717 return -EEXIST;
1718 }
1719
Eilon Greenstein46230476b2008-08-25 15:23:30 -07001720 /* Try for 5 second every 5ms */
1721 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001722 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001723 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1724 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001725 if (lock_status & resource_bit)
1726 return 0;
1727
1728 msleep(5);
1729 }
1730 DP(NETIF_MSG_HW, "Timeout\n");
1731 return -EAGAIN;
1732}
1733
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001734static int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001735{
1736 u32 lock_status;
1737 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001738 int func = BP_FUNC(bp);
1739 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001740
1741 /* Validating that the resource is within range */
1742 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1743 DP(NETIF_MSG_HW,
1744 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1745 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1746 return -EINVAL;
1747 }
1748
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001749 if (func <= 5) {
1750 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1751 } else {
1752 hw_lock_control_reg =
1753 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1754 }
1755
Eliezer Tamirf1410642008-02-28 11:51:50 -08001756 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001757 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001758 if (!(lock_status & resource_bit)) {
1759 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1760 lock_status, resource_bit);
1761 return -EFAULT;
1762 }
1763
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001764 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001765 return 0;
1766}
1767
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001768/* HW Lock for shared dual port PHYs */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001769static void bnx2x_acquire_phy_lock(struct bnx2x *bp)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001770{
1771 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1772
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001773 mutex_lock(&bp->port.phy_mutex);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001774
1775 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1776 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001777 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001778}
1779
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001780static void bnx2x_release_phy_lock(struct bnx2x *bp)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001781{
1782 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1783
1784 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1785 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001786 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001787
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001788 mutex_unlock(&bp->port.phy_mutex);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001789}
1790
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001791int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001792{
1793 /* The GPIO should be swapped if swap register is set and active */
1794 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001795 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001796 int gpio_shift = gpio_num +
1797 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1798 u32 gpio_mask = (1 << gpio_shift);
1799 u32 gpio_reg;
1800
1801 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1802 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1803 return -EINVAL;
1804 }
1805
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001806 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001807 /* read GPIO and mask except the float bits */
1808 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1809
1810 switch (mode) {
1811 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1812 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1813 gpio_num, gpio_shift);
1814 /* clear FLOAT and set CLR */
1815 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1816 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1817 break;
1818
1819 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1820 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1821 gpio_num, gpio_shift);
1822 /* clear FLOAT and set SET */
1823 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1824 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1825 break;
1826
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001827 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001828 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1829 gpio_num, gpio_shift);
1830 /* set FLOAT */
1831 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1832 break;
1833
1834 default:
1835 break;
1836 }
1837
1838 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001839 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001840
1841 return 0;
1842}
1843
1844static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1845{
1846 u32 spio_mask = (1 << spio_num);
1847 u32 spio_reg;
1848
1849 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1850 (spio_num > MISC_REGISTERS_SPIO_7)) {
1851 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1852 return -EINVAL;
1853 }
1854
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001855 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001856 /* read SPIO and mask except the float bits */
1857 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1858
1859 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07001860 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001861 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1862 /* clear FLOAT and set CLR */
1863 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1864 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1865 break;
1866
Eilon Greenstein6378c022008-08-13 15:59:25 -07001867 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001868 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1869 /* clear FLOAT and set SET */
1870 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1871 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1872 break;
1873
1874 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1875 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1876 /* set FLOAT */
1877 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1878 break;
1879
1880 default:
1881 break;
1882 }
1883
1884 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001885 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001886
1887 return 0;
1888}
1889
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001890static void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001891{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001892 switch (bp->link_vars.ieee_fc) {
1893 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001894 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001895 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001896 break;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001897 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001898 bp->port.advertising |= (ADVERTISED_Asym_Pause |
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001899 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001900 break;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001901 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001902 bp->port.advertising |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001903 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001904 default:
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;
1908 }
1909}
1910
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001911static void bnx2x_link_report(struct bnx2x *bp)
1912{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001913 if (bp->link_vars.link_up) {
1914 if (bp->state == BNX2X_STATE_OPEN)
1915 netif_carrier_on(bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001916 printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
1917
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001918 printk("%d Mbps ", bp->link_vars.line_speed);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001919
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001920 if (bp->link_vars.duplex == DUPLEX_FULL)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001921 printk("full duplex");
1922 else
1923 printk("half duplex");
1924
David S. Millerc0700f92008-12-16 23:53:20 -08001925 if (bp->link_vars.flow_ctrl != BNX2X_FLOW_CTRL_NONE) {
1926 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_RX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001927 printk(", receive ");
David S. Millerc0700f92008-12-16 23:53:20 -08001928 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001929 printk("& transmit ");
1930 } else {
1931 printk(", transmit ");
1932 }
1933 printk("flow control ON");
1934 }
1935 printk("\n");
1936
1937 } else { /* link_down */
1938 netif_carrier_off(bp->dev);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001939 printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001940 }
1941}
1942
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001943static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001944{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001945 if (!BP_NOMCP(bp)) {
1946 u8 rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001947
Eilon Greenstein19680c42008-08-13 15:47:33 -07001948 /* Initialize link parameters structure variables */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001949 /* It is recommended to turn off RX FC for jumbo frames
1950 for better performance */
1951 if (IS_E1HMF(bp))
David S. Millerc0700f92008-12-16 23:53:20 -08001952 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001953 else if (bp->dev->mtu > 5000)
David S. Millerc0700f92008-12-16 23:53:20 -08001954 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001955 else
David S. Millerc0700f92008-12-16 23:53:20 -08001956 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001957
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001958 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001959 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001960 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001961
Eilon Greenstein19680c42008-08-13 15:47:33 -07001962 if (bp->link_vars.link_up)
1963 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001964
Eilon Greenstein19680c42008-08-13 15:47:33 -07001965 bnx2x_calc_fc_adv(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001966
Eilon Greenstein19680c42008-08-13 15:47:33 -07001967 return rc;
1968 }
1969 BNX2X_ERR("Bootcode is missing -not initializing link\n");
1970 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001971}
1972
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001973static void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001974{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001975 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001976 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001977 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001978 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001979
Eilon Greenstein19680c42008-08-13 15:47:33 -07001980 bnx2x_calc_fc_adv(bp);
1981 } else
1982 BNX2X_ERR("Bootcode is missing -not setting link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001983}
1984
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001985static void bnx2x__link_reset(struct bnx2x *bp)
1986{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001987 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001988 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001989 bnx2x_link_reset(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001990 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001991 } else
1992 BNX2X_ERR("Bootcode is missing -not resetting link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001993}
1994
1995static u8 bnx2x_link_test(struct bnx2x *bp)
1996{
1997 u8 rc;
1998
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001999 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002000 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002001 bnx2x_release_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002002
2003 return rc;
2004}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002005
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002006/* Calculates the sum of vn_min_rates.
2007 It's needed for further normalizing of the min_rates.
2008
2009 Returns:
2010 sum of vn_min_rates
2011 or
2012 0 - if all the min_rates are 0.
Eilon Greenstein33471622008-08-13 15:59:08 -07002013 In the later case fairness algorithm should be deactivated.
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002014 If not all min_rates are zero then those that are zeroes will
2015 be set to 1.
2016 */
2017static u32 bnx2x_calc_vn_wsum(struct bnx2x *bp)
2018{
2019 int i, port = BP_PORT(bp);
2020 u32 wsum = 0;
2021 int all_zero = 1;
2022
2023 for (i = 0; i < E1HVN_MAX; i++) {
2024 u32 vn_cfg =
2025 SHMEM_RD(bp, mf_cfg.func_mf_config[2*i + port].config);
2026 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2027 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2028 if (!(vn_cfg & FUNC_MF_CFG_FUNC_HIDE)) {
2029 /* If min rate is zero - set it to 1 */
2030 if (!vn_min_rate)
2031 vn_min_rate = DEF_MIN_RATE;
2032 else
2033 all_zero = 0;
2034
2035 wsum += vn_min_rate;
2036 }
2037 }
2038
2039 /* ... only if all min rates are zeros - disable FAIRNESS */
2040 if (all_zero)
2041 return 0;
2042
2043 return wsum;
2044}
2045
2046static void bnx2x_init_port_minmax(struct bnx2x *bp,
2047 int en_fness,
2048 u16 port_rate,
2049 struct cmng_struct_per_port *m_cmng_port)
2050{
2051 u32 r_param = port_rate / 8;
2052 int port = BP_PORT(bp);
2053 int i;
2054
2055 memset(m_cmng_port, 0, sizeof(struct cmng_struct_per_port));
2056
2057 /* Enable minmax only if we are in e1hmf mode */
2058 if (IS_E1HMF(bp)) {
2059 u32 fair_periodic_timeout_usec;
2060 u32 t_fair;
2061
2062 /* Enable rate shaping and fairness */
2063 m_cmng_port->flags.cmng_vn_enable = 1;
2064 m_cmng_port->flags.fairness_enable = en_fness ? 1 : 0;
2065 m_cmng_port->flags.rate_shaping_enable = 1;
2066
2067 if (!en_fness)
2068 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2069 " fairness will be disabled\n");
2070
2071 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
2072 m_cmng_port->rs_vars.rs_periodic_timeout =
2073 RS_PERIODIC_TIMEOUT_USEC / 4;
2074
2075 /* this is the threshold below which no timer arming will occur
2076 1.25 coefficient is for the threshold to be a little bigger
2077 than the real time, to compensate for timer in-accuracy */
2078 m_cmng_port->rs_vars.rs_threshold =
2079 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
2080
2081 /* resolution of fairness timer */
2082 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
2083 /* for 10G it is 1000usec. for 1G it is 10000usec. */
2084 t_fair = T_FAIR_COEF / port_rate;
2085
2086 /* this is the threshold below which we won't arm
2087 the timer anymore */
2088 m_cmng_port->fair_vars.fair_threshold = QM_ARB_BYTES;
2089
2090 /* we multiply by 1e3/8 to get bytes/msec.
2091 We don't want the credits to pass a credit
2092 of the T_FAIR*FAIR_MEM (algorithm resolution) */
2093 m_cmng_port->fair_vars.upper_bound =
2094 r_param * t_fair * FAIR_MEM;
2095 /* since each tick is 4 usec */
2096 m_cmng_port->fair_vars.fairness_timeout =
2097 fair_periodic_timeout_usec / 4;
2098
2099 } else {
2100 /* Disable rate shaping and fairness */
2101 m_cmng_port->flags.cmng_vn_enable = 0;
2102 m_cmng_port->flags.fairness_enable = 0;
2103 m_cmng_port->flags.rate_shaping_enable = 0;
2104
2105 DP(NETIF_MSG_IFUP,
2106 "Single function mode minmax will be disabled\n");
2107 }
2108
2109 /* Store it to internal memory */
2110 for (i = 0; i < sizeof(struct cmng_struct_per_port) / 4; i++)
2111 REG_WR(bp, BAR_XSTRORM_INTMEM +
2112 XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i * 4,
2113 ((u32 *)(m_cmng_port))[i]);
2114}
2115
2116static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func,
2117 u32 wsum, u16 port_rate,
2118 struct cmng_struct_per_port *m_cmng_port)
2119{
2120 struct rate_shaping_vars_per_vn m_rs_vn;
2121 struct fairness_vars_per_vn m_fair_vn;
2122 u32 vn_cfg = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
2123 u16 vn_min_rate, vn_max_rate;
2124 int i;
2125
2126 /* If function is hidden - set min and max to zeroes */
2127 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
2128 vn_min_rate = 0;
2129 vn_max_rate = 0;
2130
2131 } else {
2132 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2133 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2134 /* If FAIRNESS is enabled (not all min rates are zeroes) and
2135 if current min rate is zero - set it to 1.
Eilon Greenstein33471622008-08-13 15:59:08 -07002136 This is a requirement of the algorithm. */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002137 if ((vn_min_rate == 0) && wsum)
2138 vn_min_rate = DEF_MIN_RATE;
2139 vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
2140 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
2141 }
2142
2143 DP(NETIF_MSG_IFUP, "func %d: vn_min_rate=%d vn_max_rate=%d "
2144 "wsum=%d\n", func, vn_min_rate, vn_max_rate, wsum);
2145
2146 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
2147 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
2148
2149 /* global vn counter - maximal Mbps for this vn */
2150 m_rs_vn.vn_counter.rate = vn_max_rate;
2151
2152 /* quota - number of bytes transmitted in this period */
2153 m_rs_vn.vn_counter.quota =
2154 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2155
2156#ifdef BNX2X_PER_PROT_QOS
2157 /* per protocol counter */
2158 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++) {
2159 /* maximal Mbps for this protocol */
2160 m_rs_vn.protocol_counters[protocol].rate =
2161 protocol_max_rate[protocol];
2162 /* the quota in each timer period -
2163 number of bytes transmitted in this period */
2164 m_rs_vn.protocol_counters[protocol].quota =
2165 (u32)(rs_periodic_timeout_usec *
2166 ((double)m_rs_vn.
2167 protocol_counters[protocol].rate/8));
2168 }
2169#endif
2170
2171 if (wsum) {
2172 /* credit for each period of the fairness algorithm:
2173 number of bytes in T_FAIR (the vn share the port rate).
2174 wsum should not be larger than 10000, thus
2175 T_FAIR_COEF / (8 * wsum) will always be grater than zero */
2176 m_fair_vn.vn_credit_delta =
2177 max((u64)(vn_min_rate * (T_FAIR_COEF / (8 * wsum))),
2178 (u64)(m_cmng_port->fair_vars.fair_threshold * 2));
2179 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta=%d\n",
2180 m_fair_vn.vn_credit_delta);
2181 }
2182
2183#ifdef BNX2X_PER_PROT_QOS
2184 do {
2185 u32 protocolWeightSum = 0;
2186
2187 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++)
2188 protocolWeightSum +=
2189 drvInit.protocol_min_rate[protocol];
2190 /* per protocol counter -
2191 NOT NEEDED IF NO PER-PROTOCOL CONGESTION MANAGEMENT */
2192 if (protocolWeightSum > 0) {
2193 for (protocol = 0;
2194 protocol < NUM_OF_PROTOCOLS; protocol++)
2195 /* credit for each period of the
2196 fairness algorithm - number of bytes in
2197 T_FAIR (the protocol share the vn rate) */
2198 m_fair_vn.protocol_credit_delta[protocol] =
2199 (u32)((vn_min_rate / 8) * t_fair *
2200 protocol_min_rate / protocolWeightSum);
2201 }
2202 } while (0);
2203#endif
2204
2205 /* Store it to internal memory */
2206 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2207 REG_WR(bp, BAR_XSTRORM_INTMEM +
2208 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2209 ((u32 *)(&m_rs_vn))[i]);
2210
2211 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2212 REG_WR(bp, BAR_XSTRORM_INTMEM +
2213 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2214 ((u32 *)(&m_fair_vn))[i]);
2215}
2216
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002217/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002218static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002219{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002220 int vn;
2221
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002222 /* Make sure that we are synced with the current statistics */
2223 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2224
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002225 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002226 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002227 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002228
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002229 if (bp->link_vars.link_up) {
2230
2231 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2232 struct host_port_stats *pstats;
2233
2234 pstats = bnx2x_sp(bp, port_stats);
2235 /* reset old bmac stats */
2236 memset(&(pstats->mac_stx[0]), 0,
2237 sizeof(struct mac_stx));
2238 }
2239 if ((bp->state == BNX2X_STATE_OPEN) ||
2240 (bp->state == BNX2X_STATE_DISABLED))
2241 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2242 }
2243
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002244 /* indicate link status */
2245 bnx2x_link_report(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002246
2247 if (IS_E1HMF(bp)) {
2248 int func;
2249
2250 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2251 if (vn == BP_E1HVN(bp))
2252 continue;
2253
2254 func = ((vn << 1) | BP_PORT(bp));
2255
2256 /* Set the attention towards other drivers
2257 on the same port */
2258 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2259 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2260 }
2261 }
2262
2263 if (CHIP_IS_E1H(bp) && (bp->link_vars.line_speed > 0)) {
2264 struct cmng_struct_per_port m_cmng_port;
2265 u32 wsum;
2266 int port = BP_PORT(bp);
2267
2268 /* Init RATE SHAPING and FAIRNESS contexts */
2269 wsum = bnx2x_calc_vn_wsum(bp);
2270 bnx2x_init_port_minmax(bp, (int)wsum,
2271 bp->link_vars.line_speed,
2272 &m_cmng_port);
2273 if (IS_E1HMF(bp))
2274 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2275 bnx2x_init_vn_minmax(bp, 2*vn + port,
2276 wsum, bp->link_vars.line_speed,
2277 &m_cmng_port);
2278 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002279}
2280
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002281static void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002282{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002283 if (bp->state != BNX2X_STATE_OPEN)
2284 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002285
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002286 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2287
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002288 if (bp->link_vars.link_up)
2289 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2290 else
2291 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2292
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002293 /* indicate link status */
2294 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002295}
2296
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002297static void bnx2x_pmf_update(struct bnx2x *bp)
2298{
2299 int port = BP_PORT(bp);
2300 u32 val;
2301
2302 bp->port.pmf = 1;
2303 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2304
2305 /* enable nig attention */
2306 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
2307 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2308 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002309
2310 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002311}
2312
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002313/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002314
2315/* slow path */
2316
2317/*
2318 * General service functions
2319 */
2320
2321/* the slow path queue is odd since completions arrive on the fastpath ring */
2322static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
2323 u32 data_hi, u32 data_lo, int common)
2324{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002325 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002326
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002327 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
2328 "SPQE (%x:%x) command %d hw_cid %x data (%x:%x) left %x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002329 (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) +
2330 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
2331 HW_CID(bp, cid), data_hi, data_lo, bp->spq_left);
2332
2333#ifdef BNX2X_STOP_ON_ERROR
2334 if (unlikely(bp->panic))
2335 return -EIO;
2336#endif
2337
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002338 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002339
2340 if (!bp->spq_left) {
2341 BNX2X_ERR("BUG! SPQ ring full!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002342 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002343 bnx2x_panic();
2344 return -EBUSY;
2345 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08002346
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002347 /* CID needs port number to be encoded int it */
2348 bp->spq_prod_bd->hdr.conn_and_cmd_data =
2349 cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) |
2350 HW_CID(bp, cid)));
2351 bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE);
2352 if (common)
2353 bp->spq_prod_bd->hdr.type |=
2354 cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT));
2355
2356 bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi);
2357 bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo);
2358
2359 bp->spq_left--;
2360
2361 if (bp->spq_prod_bd == bp->spq_last_bd) {
2362 bp->spq_prod_bd = bp->spq;
2363 bp->spq_prod_idx = 0;
2364 DP(NETIF_MSG_TIMER, "end of spq\n");
2365
2366 } else {
2367 bp->spq_prod_bd++;
2368 bp->spq_prod_idx++;
2369 }
2370
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002371 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002372 bp->spq_prod_idx);
2373
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002374 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002375 return 0;
2376}
2377
2378/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002379static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002380{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002381 u32 i, j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002382 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002383
2384 might_sleep();
2385 i = 100;
2386 for (j = 0; j < i*10; j++) {
2387 val = (1UL << 31);
2388 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2389 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2390 if (val & (1L << 31))
2391 break;
2392
2393 msleep(5);
2394 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002395 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07002396 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002397 rc = -EBUSY;
2398 }
2399
2400 return rc;
2401}
2402
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002403/* release split MCP access lock register */
2404static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002405{
2406 u32 val = 0;
2407
2408 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2409}
2410
2411static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2412{
2413 struct host_def_status_block *def_sb = bp->def_status_blk;
2414 u16 rc = 0;
2415
2416 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002417 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2418 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
2419 rc |= 1;
2420 }
2421 if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) {
2422 bp->def_c_idx = def_sb->c_def_status_block.status_block_index;
2423 rc |= 2;
2424 }
2425 if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) {
2426 bp->def_u_idx = def_sb->u_def_status_block.status_block_index;
2427 rc |= 4;
2428 }
2429 if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) {
2430 bp->def_x_idx = def_sb->x_def_status_block.status_block_index;
2431 rc |= 8;
2432 }
2433 if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) {
2434 bp->def_t_idx = def_sb->t_def_status_block.status_block_index;
2435 rc |= 16;
2436 }
2437 return rc;
2438}
2439
2440/*
2441 * slow path service functions
2442 */
2443
2444static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2445{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002446 int port = BP_PORT(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07002447 u32 hc_addr = (HC_REG_COMMAND_REG + port*32 +
2448 COMMAND_REG_ATTN_BITS_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002449 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2450 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002451 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2452 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002453 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002454
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002455 if (bp->attn_state & asserted)
2456 BNX2X_ERR("IGU ERROR\n");
2457
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002458 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2459 aeu_mask = REG_RD(bp, aeu_addr);
2460
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002461 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002462 aeu_mask, asserted);
2463 aeu_mask &= ~(asserted & 0xff);
2464 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002465
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002466 REG_WR(bp, aeu_addr, aeu_mask);
2467 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002468
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002469 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002470 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002471 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002472
2473 if (asserted & ATTN_HARD_WIRED_MASK) {
2474 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002475
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002476 /* save nig interrupt mask */
2477 bp->nig_mask = REG_RD(bp, nig_int_mask_addr);
2478 REG_WR(bp, nig_int_mask_addr, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002479
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002480 bnx2x_link_attn(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002481
2482 /* handle unicore attn? */
2483 }
2484 if (asserted & ATTN_SW_TIMER_4_FUNC)
2485 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2486
2487 if (asserted & GPIO_2_FUNC)
2488 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2489
2490 if (asserted & GPIO_3_FUNC)
2491 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2492
2493 if (asserted & GPIO_4_FUNC)
2494 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2495
2496 if (port == 0) {
2497 if (asserted & ATTN_GENERAL_ATTN_1) {
2498 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2499 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2500 }
2501 if (asserted & ATTN_GENERAL_ATTN_2) {
2502 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2503 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2504 }
2505 if (asserted & ATTN_GENERAL_ATTN_3) {
2506 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2507 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2508 }
2509 } else {
2510 if (asserted & ATTN_GENERAL_ATTN_4) {
2511 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2512 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2513 }
2514 if (asserted & ATTN_GENERAL_ATTN_5) {
2515 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2516 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2517 }
2518 if (asserted & ATTN_GENERAL_ATTN_6) {
2519 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2520 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2521 }
2522 }
2523
2524 } /* if hardwired */
2525
Eilon Greenstein5c862842008-08-13 15:51:48 -07002526 DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2527 asserted, hc_addr);
2528 REG_WR(bp, hc_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002529
2530 /* now set back the mask */
2531 if (asserted & ATTN_NIG_FOR_FUNC)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002532 REG_WR(bp, nig_int_mask_addr, bp->nig_mask);
2533}
2534
2535static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2536{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002537 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002538 int reg_offset;
2539 u32 val;
2540
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002541 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2542 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002543
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002544 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002545
2546 val = REG_RD(bp, reg_offset);
2547 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2548 REG_WR(bp, reg_offset, val);
2549
2550 BNX2X_ERR("SPIO5 hw attention\n");
2551
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002552 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
Eilon Greenstein7add9052008-08-25 15:20:48 -07002553 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002554 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
2555 /* Fan failure attention */
2556
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002557 /* The PHY reset is controlled by GPIO 1 */
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002558 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002559 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
2560 /* Low power mode is controlled by GPIO 2 */
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002561 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002562 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002563 /* mark the failure */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002564 bp->link_params.ext_phy_config &=
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002565 ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002566 bp->link_params.ext_phy_config |=
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002567 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
2568 SHMEM_WR(bp,
2569 dev_info.port_hw_config[port].
2570 external_phy_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002571 bp->link_params.ext_phy_config);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002572 /* log the failure */
2573 printk(KERN_ERR PFX "Fan Failure on Network"
2574 " Controller %s has caused the driver to"
2575 " shutdown the card to prevent permanent"
2576 " damage. Please contact Dell Support for"
2577 " assistance\n", bp->dev->name);
2578 break;
2579
2580 default:
2581 break;
2582 }
2583 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002584
2585 if (attn & HW_INTERRUT_ASSERT_SET_0) {
2586
2587 val = REG_RD(bp, reg_offset);
2588 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
2589 REG_WR(bp, reg_offset, val);
2590
2591 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
2592 (attn & HW_INTERRUT_ASSERT_SET_0));
2593 bnx2x_panic();
2594 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002595}
2596
2597static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
2598{
2599 u32 val;
2600
2601 if (attn & BNX2X_DOORQ_ASSERT) {
2602
2603 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
2604 BNX2X_ERR("DB hw attention 0x%x\n", val);
2605 /* DORQ discard attention */
2606 if (val & 0x2)
2607 BNX2X_ERR("FATAL error from DORQ\n");
2608 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002609
2610 if (attn & HW_INTERRUT_ASSERT_SET_1) {
2611
2612 int port = BP_PORT(bp);
2613 int reg_offset;
2614
2615 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
2616 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
2617
2618 val = REG_RD(bp, reg_offset);
2619 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
2620 REG_WR(bp, reg_offset, val);
2621
2622 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
2623 (attn & HW_INTERRUT_ASSERT_SET_1));
2624 bnx2x_panic();
2625 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002626}
2627
2628static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
2629{
2630 u32 val;
2631
2632 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
2633
2634 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
2635 BNX2X_ERR("CFC hw attention 0x%x\n", val);
2636 /* CFC error attention */
2637 if (val & 0x2)
2638 BNX2X_ERR("FATAL error from CFC\n");
2639 }
2640
2641 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
2642
2643 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
2644 BNX2X_ERR("PXP hw attention 0x%x\n", val);
2645 /* RQ_USDMDP_FIFO_OVERFLOW */
2646 if (val & 0x18000)
2647 BNX2X_ERR("FATAL error from PXP\n");
2648 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002649
2650 if (attn & HW_INTERRUT_ASSERT_SET_2) {
2651
2652 int port = BP_PORT(bp);
2653 int reg_offset;
2654
2655 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
2656 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
2657
2658 val = REG_RD(bp, reg_offset);
2659 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
2660 REG_WR(bp, reg_offset, val);
2661
2662 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
2663 (attn & HW_INTERRUT_ASSERT_SET_2));
2664 bnx2x_panic();
2665 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002666}
2667
2668static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
2669{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002670 u32 val;
2671
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002672 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
2673
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002674 if (attn & BNX2X_PMF_LINK_ASSERT) {
2675 int func = BP_FUNC(bp);
2676
2677 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
2678 bnx2x__link_status_update(bp);
2679 if (SHMEM_RD(bp, func_mb[func].drv_status) &
2680 DRV_STATUS_PMF)
2681 bnx2x_pmf_update(bp);
2682
2683 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002684
2685 BNX2X_ERR("MC assert!\n");
2686 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
2687 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
2688 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
2689 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
2690 bnx2x_panic();
2691
2692 } else if (attn & BNX2X_MCP_ASSERT) {
2693
2694 BNX2X_ERR("MCP assert!\n");
2695 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002696 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002697
2698 } else
2699 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
2700 }
2701
2702 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002703 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
2704 if (attn & BNX2X_GRC_TIMEOUT) {
2705 val = CHIP_IS_E1H(bp) ?
2706 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN) : 0;
2707 BNX2X_ERR("GRC time-out 0x%08x\n", val);
2708 }
2709 if (attn & BNX2X_GRC_RSV) {
2710 val = CHIP_IS_E1H(bp) ?
2711 REG_RD(bp, MISC_REG_GRC_RSV_ATTN) : 0;
2712 BNX2X_ERR("GRC reserved 0x%08x\n", val);
2713 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002714 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002715 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002716}
2717
2718static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
2719{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002720 struct attn_route attn;
2721 struct attn_route group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002722 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002723 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002724 u32 reg_addr;
2725 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002726 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002727
2728 /* need to take HW lock because MCP or other port might also
2729 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002730 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002731
2732 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
2733 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
2734 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
2735 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002736 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x\n",
2737 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002738
2739 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
2740 if (deasserted & (1 << index)) {
2741 group_mask = bp->attn_group[index];
2742
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002743 DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x\n",
2744 index, group_mask.sig[0], group_mask.sig[1],
2745 group_mask.sig[2], group_mask.sig[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002746
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002747 bnx2x_attn_int_deasserted3(bp,
2748 attn.sig[3] & group_mask.sig[3]);
2749 bnx2x_attn_int_deasserted1(bp,
2750 attn.sig[1] & group_mask.sig[1]);
2751 bnx2x_attn_int_deasserted2(bp,
2752 attn.sig[2] & group_mask.sig[2]);
2753 bnx2x_attn_int_deasserted0(bp,
2754 attn.sig[0] & group_mask.sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002755
2756 if ((attn.sig[0] & group_mask.sig[0] &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002757 HW_PRTY_ASSERT_SET_0) ||
2758 (attn.sig[1] & group_mask.sig[1] &
2759 HW_PRTY_ASSERT_SET_1) ||
2760 (attn.sig[2] & group_mask.sig[2] &
2761 HW_PRTY_ASSERT_SET_2))
Eilon Greenstein6378c022008-08-13 15:59:25 -07002762 BNX2X_ERR("FATAL HW block parity attention\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002763 }
2764 }
2765
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002766 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002767
Eilon Greenstein5c862842008-08-13 15:51:48 -07002768 reg_addr = (HC_REG_COMMAND_REG + port*32 + COMMAND_REG_ATTN_BITS_CLR);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002769
2770 val = ~deasserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002771 DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2772 val, reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07002773 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002774
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002775 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002776 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002777
2778 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2779 MISC_REG_AEU_MASK_ATTN_FUNC_0;
2780
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002781 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2782 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002783
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002784 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
2785 aeu_mask, deasserted);
2786 aeu_mask |= (deasserted & 0xff);
2787 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
2788
2789 REG_WR(bp, reg_addr, aeu_mask);
2790 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002791
2792 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2793 bp->attn_state &= ~deasserted;
2794 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2795}
2796
2797static void bnx2x_attn_int(struct bnx2x *bp)
2798{
2799 /* read local copy of bits */
2800 u32 attn_bits = bp->def_status_blk->atten_status_block.attn_bits;
2801 u32 attn_ack = bp->def_status_blk->atten_status_block.attn_bits_ack;
2802 u32 attn_state = bp->attn_state;
2803
2804 /* look for changed bits */
2805 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
2806 u32 deasserted = ~attn_bits & attn_ack & attn_state;
2807
2808 DP(NETIF_MSG_HW,
2809 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
2810 attn_bits, attn_ack, asserted, deasserted);
2811
2812 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002813 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002814
2815 /* handle bits that were raised */
2816 if (asserted)
2817 bnx2x_attn_int_asserted(bp, asserted);
2818
2819 if (deasserted)
2820 bnx2x_attn_int_deasserted(bp, deasserted);
2821}
2822
2823static void bnx2x_sp_task(struct work_struct *work)
2824{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08002825 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002826 u16 status;
2827
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002828
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002829 /* Return here if interrupt is disabled */
2830 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07002831 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002832 return;
2833 }
2834
2835 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002836/* if (status == 0) */
2837/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002838
Eilon Greenstein3196a882008-08-13 15:58:49 -07002839 DP(NETIF_MSG_INTR, "got a slowpath interrupt (updated %x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002840
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002841 /* HW attentions */
2842 if (status & 0x1)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002843 bnx2x_attn_int(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002844
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002845 /* CStorm events: query_stats, port delete ramrod */
2846 if (status & 0x2)
2847 bp->stats_pending = 0;
2848
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002849 bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, bp->def_att_idx,
2850 IGU_INT_NOP, 1);
2851 bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx),
2852 IGU_INT_NOP, 1);
2853 bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx),
2854 IGU_INT_NOP, 1);
2855 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx),
2856 IGU_INT_NOP, 1);
2857 bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx),
2858 IGU_INT_ENABLE, 1);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002859
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002860}
2861
2862static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
2863{
2864 struct net_device *dev = dev_instance;
2865 struct bnx2x *bp = netdev_priv(dev);
2866
2867 /* Return here if interrupt is disabled */
2868 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07002869 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002870 return IRQ_HANDLED;
2871 }
2872
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002873 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, 0, IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002874
2875#ifdef BNX2X_STOP_ON_ERROR
2876 if (unlikely(bp->panic))
2877 return IRQ_HANDLED;
2878#endif
2879
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08002880 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002881
2882 return IRQ_HANDLED;
2883}
2884
2885/* end of slow path */
2886
2887/* Statistics */
2888
2889/****************************************************************************
2890* Macros
2891****************************************************************************/
2892
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002893/* sum[hi:lo] += add[hi:lo] */
2894#define ADD_64(s_hi, a_hi, s_lo, a_lo) \
2895 do { \
2896 s_lo += a_lo; \
2897 s_hi += a_hi + (s_lo < a_lo) ? 1 : 0; \
2898 } while (0)
2899
2900/* difference = minuend - subtrahend */
2901#define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
2902 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002903 if (m_lo < s_lo) { \
2904 /* underflow */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002905 d_hi = m_hi - s_hi; \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002906 if (d_hi > 0) { \
Eilon Greenstein6378c022008-08-13 15:59:25 -07002907 /* we can 'loan' 1 */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002908 d_hi--; \
2909 d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002910 } else { \
Eilon Greenstein6378c022008-08-13 15:59:25 -07002911 /* m_hi <= s_hi */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002912 d_hi = 0; \
2913 d_lo = 0; \
2914 } \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002915 } else { \
2916 /* m_lo >= s_lo */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002917 if (m_hi < s_hi) { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002918 d_hi = 0; \
2919 d_lo = 0; \
2920 } else { \
Eilon Greenstein6378c022008-08-13 15:59:25 -07002921 /* m_hi >= s_hi */ \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002922 d_hi = m_hi - s_hi; \
2923 d_lo = m_lo - s_lo; \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002924 } \
2925 } \
2926 } while (0)
2927
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002928#define UPDATE_STAT64(s, t) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002929 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002930 DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
2931 diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
2932 pstats->mac_stx[0].t##_hi = new->s##_hi; \
2933 pstats->mac_stx[0].t##_lo = new->s##_lo; \
2934 ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
2935 pstats->mac_stx[1].t##_lo, diff.lo); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002936 } while (0)
2937
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002938#define UPDATE_STAT64_NIG(s, t) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002939 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002940 DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
2941 diff.lo, new->s##_lo, old->s##_lo); \
2942 ADD_64(estats->t##_hi, diff.hi, \
2943 estats->t##_lo, diff.lo); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002944 } while (0)
2945
2946/* sum[hi:lo] += add */
2947#define ADD_EXTEND_64(s_hi, s_lo, a) \
2948 do { \
2949 s_lo += a; \
2950 s_hi += (s_lo < a) ? 1 : 0; \
2951 } while (0)
2952
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002953#define UPDATE_EXTEND_STAT(s) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002954 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002955 ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
2956 pstats->mac_stx[1].s##_lo, \
2957 new->s); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002958 } while (0)
2959
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002960#define UPDATE_EXTEND_TSTAT(s, t) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002961 do { \
2962 diff = le32_to_cpu(tclient->s) - old_tclient->s; \
2963 old_tclient->s = le32_to_cpu(tclient->s); \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002964 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
2965 } while (0)
2966
2967#define UPDATE_EXTEND_XSTAT(s, t) \
2968 do { \
2969 diff = le32_to_cpu(xclient->s) - old_xclient->s; \
2970 old_xclient->s = le32_to_cpu(xclient->s); \
2971 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002972 } while (0)
2973
2974/*
2975 * General service functions
2976 */
2977
2978static inline long bnx2x_hilo(u32 *hiref)
2979{
2980 u32 lo = *(hiref + 1);
2981#if (BITS_PER_LONG == 64)
2982 u32 hi = *hiref;
2983
2984 return HILO_U64(hi, lo);
2985#else
2986 return lo;
2987#endif
2988}
2989
2990/*
2991 * Init service functions
2992 */
2993
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002994static void bnx2x_storm_stats_post(struct bnx2x *bp)
2995{
2996 if (!bp->stats_pending) {
2997 struct eth_query_ramrod_data ramrod_data = {0};
2998 int rc;
2999
3000 ramrod_data.drv_counter = bp->stats_counter++;
3001 ramrod_data.collect_port_1b = bp->port.pmf ? 1 : 0;
3002 ramrod_data.ctr_id_vector = (1 << BP_CL_ID(bp));
3003
3004 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0,
3005 ((u32 *)&ramrod_data)[1],
3006 ((u32 *)&ramrod_data)[0], 0);
3007 if (rc == 0) {
3008 /* stats ramrod has it's own slot on the spq */
3009 bp->spq_left++;
3010 bp->stats_pending = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003011 }
3012 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003013}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003014
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003015static void bnx2x_stats_init(struct bnx2x *bp)
3016{
3017 int port = BP_PORT(bp);
3018
3019 bp->executer_idx = 0;
3020 bp->stats_counter = 0;
3021
3022 /* port stats */
3023 if (!BP_NOMCP(bp))
3024 bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
3025 else
3026 bp->port.port_stx = 0;
3027 DP(BNX2X_MSG_STATS, "port_stx 0x%x\n", bp->port.port_stx);
3028
3029 memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
3030 bp->port.old_nig_stats.brb_discard =
3031 REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003032 bp->port.old_nig_stats.brb_truncate =
3033 REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003034 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
3035 &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
3036 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
3037 &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
3038
3039 /* function stats */
3040 memset(&bp->dev->stats, 0, sizeof(struct net_device_stats));
3041 memset(&bp->old_tclient, 0, sizeof(struct tstorm_per_client_stats));
3042 memset(&bp->old_xclient, 0, sizeof(struct xstorm_per_client_stats));
3043 memset(&bp->eth_stats, 0, sizeof(struct bnx2x_eth_stats));
3044
3045 bp->stats_state = STATS_STATE_DISABLED;
3046 if (IS_E1HMF(bp) && bp->port.pmf && bp->port.port_stx)
3047 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
3048}
3049
3050static void bnx2x_hw_stats_post(struct bnx2x *bp)
3051{
3052 struct dmae_command *dmae = &bp->stats_dmae;
3053 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3054
3055 *stats_comp = DMAE_COMP_VAL;
3056
3057 /* loader */
3058 if (bp->executer_idx) {
3059 int loader_idx = PMF_DMAE_C(bp);
3060
3061 memset(dmae, 0, sizeof(struct dmae_command));
3062
3063 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3064 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3065 DMAE_CMD_DST_RESET |
3066#ifdef __BIG_ENDIAN
3067 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3068#else
3069 DMAE_CMD_ENDIANITY_DW_SWAP |
3070#endif
3071 (BP_PORT(bp) ? DMAE_CMD_PORT_1 :
3072 DMAE_CMD_PORT_0) |
3073 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3074 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
3075 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
3076 dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
3077 sizeof(struct dmae_command) *
3078 (loader_idx + 1)) >> 2;
3079 dmae->dst_addr_hi = 0;
3080 dmae->len = sizeof(struct dmae_command) >> 2;
3081 if (CHIP_IS_E1(bp))
3082 dmae->len--;
3083 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
3084 dmae->comp_addr_hi = 0;
3085 dmae->comp_val = 1;
3086
3087 *stats_comp = 0;
3088 bnx2x_post_dmae(bp, dmae, loader_idx);
3089
3090 } else if (bp->func_stx) {
3091 *stats_comp = 0;
3092 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
3093 }
3094}
3095
3096static int bnx2x_stats_comp(struct bnx2x *bp)
3097{
3098 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3099 int cnt = 10;
3100
3101 might_sleep();
3102 while (*stats_comp != DMAE_COMP_VAL) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003103 if (!cnt) {
3104 BNX2X_ERR("timeout waiting for stats finished\n");
3105 break;
3106 }
3107 cnt--;
Yitchak Gertner12469402008-08-13 15:52:08 -07003108 msleep(1);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003109 }
3110 return 1;
3111}
3112
3113/*
3114 * Statistics service functions
3115 */
3116
3117static void bnx2x_stats_pmf_update(struct bnx2x *bp)
3118{
3119 struct dmae_command *dmae;
3120 u32 opcode;
3121 int loader_idx = PMF_DMAE_C(bp);
3122 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3123
3124 /* sanity */
3125 if (!IS_E1HMF(bp) || !bp->port.pmf || !bp->port.port_stx) {
3126 BNX2X_ERR("BUG!\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003127 return;
3128 }
3129
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003130 bp->executer_idx = 0;
3131
3132 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3133 DMAE_CMD_C_ENABLE |
3134 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3135#ifdef __BIG_ENDIAN
3136 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3137#else
3138 DMAE_CMD_ENDIANITY_DW_SWAP |
3139#endif
3140 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3141 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3142
3143 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3144 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3145 dmae->src_addr_lo = bp->port.port_stx >> 2;
3146 dmae->src_addr_hi = 0;
3147 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3148 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3149 dmae->len = DMAE_LEN32_RD_MAX;
3150 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3151 dmae->comp_addr_hi = 0;
3152 dmae->comp_val = 1;
3153
3154 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3155 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3156 dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
3157 dmae->src_addr_hi = 0;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003158 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
3159 DMAE_LEN32_RD_MAX * 4);
3160 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
3161 DMAE_LEN32_RD_MAX * 4);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003162 dmae->len = (sizeof(struct host_port_stats) >> 2) - DMAE_LEN32_RD_MAX;
3163 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3164 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3165 dmae->comp_val = DMAE_COMP_VAL;
3166
3167 *stats_comp = 0;
3168 bnx2x_hw_stats_post(bp);
3169 bnx2x_stats_comp(bp);
3170}
3171
3172static void bnx2x_port_stats_init(struct bnx2x *bp)
3173{
3174 struct dmae_command *dmae;
3175 int port = BP_PORT(bp);
3176 int vn = BP_E1HVN(bp);
3177 u32 opcode;
3178 int loader_idx = PMF_DMAE_C(bp);
3179 u32 mac_addr;
3180 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3181
3182 /* sanity */
3183 if (!bp->link_vars.link_up || !bp->port.pmf) {
3184 BNX2X_ERR("BUG!\n");
3185 return;
3186 }
3187
3188 bp->executer_idx = 0;
3189
3190 /* MCP */
3191 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3192 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3193 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3194#ifdef __BIG_ENDIAN
3195 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3196#else
3197 DMAE_CMD_ENDIANITY_DW_SWAP |
3198#endif
3199 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3200 (vn << DMAE_CMD_E1HVN_SHIFT));
3201
3202 if (bp->port.port_stx) {
3203
3204 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3205 dmae->opcode = opcode;
3206 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3207 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3208 dmae->dst_addr_lo = bp->port.port_stx >> 2;
3209 dmae->dst_addr_hi = 0;
3210 dmae->len = sizeof(struct host_port_stats) >> 2;
3211 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3212 dmae->comp_addr_hi = 0;
3213 dmae->comp_val = 1;
3214 }
3215
3216 if (bp->func_stx) {
3217
3218 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3219 dmae->opcode = opcode;
3220 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3221 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3222 dmae->dst_addr_lo = bp->func_stx >> 2;
3223 dmae->dst_addr_hi = 0;
3224 dmae->len = sizeof(struct host_func_stats) >> 2;
3225 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3226 dmae->comp_addr_hi = 0;
3227 dmae->comp_val = 1;
3228 }
3229
3230 /* MAC */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003231 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3232 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3233 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3234#ifdef __BIG_ENDIAN
3235 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3236#else
3237 DMAE_CMD_ENDIANITY_DW_SWAP |
3238#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003239 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3240 (vn << DMAE_CMD_E1HVN_SHIFT));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003241
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07003242 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003243
3244 mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
3245 NIG_REG_INGRESS_BMAC0_MEM);
3246
3247 /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
3248 BIGMAC_REGISTER_TX_STAT_GTBYT */
3249 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3250 dmae->opcode = opcode;
3251 dmae->src_addr_lo = (mac_addr +
3252 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3253 dmae->src_addr_hi = 0;
3254 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3255 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3256 dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
3257 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3258 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3259 dmae->comp_addr_hi = 0;
3260 dmae->comp_val = 1;
3261
3262 /* BIGMAC_REGISTER_RX_STAT_GR64 ..
3263 BIGMAC_REGISTER_RX_STAT_GRIPJ */
3264 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3265 dmae->opcode = opcode;
3266 dmae->src_addr_lo = (mac_addr +
3267 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3268 dmae->src_addr_hi = 0;
3269 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003270 offsetof(struct bmac_stats, rx_stat_gr64_lo));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003271 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003272 offsetof(struct bmac_stats, rx_stat_gr64_lo));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003273 dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
3274 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3275 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3276 dmae->comp_addr_hi = 0;
3277 dmae->comp_val = 1;
3278
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07003279 } else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003280
3281 mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
3282
3283 /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
3284 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3285 dmae->opcode = opcode;
3286 dmae->src_addr_lo = (mac_addr +
3287 EMAC_REG_EMAC_RX_STAT_AC) >> 2;
3288 dmae->src_addr_hi = 0;
3289 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3290 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3291 dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
3292 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3293 dmae->comp_addr_hi = 0;
3294 dmae->comp_val = 1;
3295
3296 /* EMAC_REG_EMAC_RX_STAT_AC_28 */
3297 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3298 dmae->opcode = opcode;
3299 dmae->src_addr_lo = (mac_addr +
3300 EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
3301 dmae->src_addr_hi = 0;
3302 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003303 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003304 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003305 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003306 dmae->len = 1;
3307 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3308 dmae->comp_addr_hi = 0;
3309 dmae->comp_val = 1;
3310
3311 /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
3312 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3313 dmae->opcode = opcode;
3314 dmae->src_addr_lo = (mac_addr +
3315 EMAC_REG_EMAC_TX_STAT_AC) >> 2;
3316 dmae->src_addr_hi = 0;
3317 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003318 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003319 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003320 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003321 dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
3322 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3323 dmae->comp_addr_hi = 0;
3324 dmae->comp_val = 1;
3325 }
3326
3327 /* NIG */
3328 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003329 dmae->opcode = opcode;
3330 dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
3331 NIG_REG_STAT0_BRB_DISCARD) >> 2;
3332 dmae->src_addr_hi = 0;
3333 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
3334 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
3335 dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
3336 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3337 dmae->comp_addr_hi = 0;
3338 dmae->comp_val = 1;
3339
3340 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3341 dmae->opcode = opcode;
3342 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
3343 NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
3344 dmae->src_addr_hi = 0;
3345 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3346 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3347 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3348 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3349 dmae->len = (2*sizeof(u32)) >> 2;
3350 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3351 dmae->comp_addr_hi = 0;
3352 dmae->comp_val = 1;
3353
3354 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003355 dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3356 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3357 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3358#ifdef __BIG_ENDIAN
3359 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3360#else
3361 DMAE_CMD_ENDIANITY_DW_SWAP |
3362#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003363 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3364 (vn << DMAE_CMD_E1HVN_SHIFT));
3365 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
3366 NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003367 dmae->src_addr_hi = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003368 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3369 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3370 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3371 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3372 dmae->len = (2*sizeof(u32)) >> 2;
3373 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3374 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3375 dmae->comp_val = DMAE_COMP_VAL;
3376
3377 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003378}
3379
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003380static void bnx2x_func_stats_init(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003381{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003382 struct dmae_command *dmae = &bp->stats_dmae;
3383 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003384
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003385 /* sanity */
3386 if (!bp->func_stx) {
3387 BNX2X_ERR("BUG!\n");
3388 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003389 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003390
3391 bp->executer_idx = 0;
3392 memset(dmae, 0, sizeof(struct dmae_command));
3393
3394 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3395 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3396 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3397#ifdef __BIG_ENDIAN
3398 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3399#else
3400 DMAE_CMD_ENDIANITY_DW_SWAP |
3401#endif
3402 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3403 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3404 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3405 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3406 dmae->dst_addr_lo = bp->func_stx >> 2;
3407 dmae->dst_addr_hi = 0;
3408 dmae->len = sizeof(struct host_func_stats) >> 2;
3409 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3410 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3411 dmae->comp_val = DMAE_COMP_VAL;
3412
3413 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003414}
3415
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003416static void bnx2x_stats_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003417{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003418 if (bp->port.pmf)
3419 bnx2x_port_stats_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003420
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003421 else if (bp->func_stx)
3422 bnx2x_func_stats_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003423
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003424 bnx2x_hw_stats_post(bp);
3425 bnx2x_storm_stats_post(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003426}
3427
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003428static void bnx2x_stats_pmf_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003429{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003430 bnx2x_stats_comp(bp);
3431 bnx2x_stats_pmf_update(bp);
3432 bnx2x_stats_start(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003433}
3434
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003435static void bnx2x_stats_restart(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003436{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003437 bnx2x_stats_comp(bp);
3438 bnx2x_stats_start(bp);
3439}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003440
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003441static void bnx2x_bmac_stats_update(struct bnx2x *bp)
3442{
3443 struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac_stats);
3444 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3445 struct regpair diff;
3446
3447 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
3448 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
3449 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
3450 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
3451 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
3452 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003453 UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003454 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
3455 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffpauseframesreceived);
3456 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
3457 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
3458 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
3459 UPDATE_STAT64(tx_stat_gt127,
3460 tx_stat_etherstatspkts65octetsto127octets);
3461 UPDATE_STAT64(tx_stat_gt255,
3462 tx_stat_etherstatspkts128octetsto255octets);
3463 UPDATE_STAT64(tx_stat_gt511,
3464 tx_stat_etherstatspkts256octetsto511octets);
3465 UPDATE_STAT64(tx_stat_gt1023,
3466 tx_stat_etherstatspkts512octetsto1023octets);
3467 UPDATE_STAT64(tx_stat_gt1518,
3468 tx_stat_etherstatspkts1024octetsto1522octets);
3469 UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047);
3470 UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095);
3471 UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216);
3472 UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383);
3473 UPDATE_STAT64(tx_stat_gterr,
3474 tx_stat_dot3statsinternalmactransmiterrors);
3475 UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl);
3476}
3477
3478static void bnx2x_emac_stats_update(struct bnx2x *bp)
3479{
3480 struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
3481 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3482
3483 UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
3484 UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
3485 UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
3486 UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
3487 UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
3488 UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
3489 UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
3490 UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
3491 UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
3492 UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
3493 UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
3494 UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
3495 UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
3496 UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
3497 UPDATE_EXTEND_STAT(tx_stat_outxonsent);
3498 UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
3499 UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
3500 UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
3501 UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
3502 UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
3503 UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
3504 UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
3505 UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
3506 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
3507 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
3508 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
3509 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
3510 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
3511 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
3512 UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
3513 UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
3514}
3515
3516static int bnx2x_hw_stats_update(struct bnx2x *bp)
3517{
3518 struct nig_stats *new = bnx2x_sp(bp, nig_stats);
3519 struct nig_stats *old = &(bp->port.old_nig_stats);
3520 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3521 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3522 struct regpair diff;
3523
3524 if (bp->link_vars.mac_type == MAC_TYPE_BMAC)
3525 bnx2x_bmac_stats_update(bp);
3526
3527 else if (bp->link_vars.mac_type == MAC_TYPE_EMAC)
3528 bnx2x_emac_stats_update(bp);
3529
3530 else { /* unreached */
3531 BNX2X_ERR("stats updated by dmae but no MAC active\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003532 return -1;
3533 }
3534
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003535 ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
3536 new->brb_discard - old->brb_discard);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003537 ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
3538 new->brb_truncate - old->brb_truncate);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003539
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003540 UPDATE_STAT64_NIG(egress_mac_pkt0,
3541 etherstatspkts1024octetsto1522octets);
3542 UPDATE_STAT64_NIG(egress_mac_pkt1, etherstatspktsover1522octets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003543
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003544 memcpy(old, new, sizeof(struct nig_stats));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003545
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003546 memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
3547 sizeof(struct mac_stx));
3548 estats->brb_drop_hi = pstats->brb_drop_hi;
3549 estats->brb_drop_lo = pstats->brb_drop_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003550
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003551 pstats->host_port_stats_start = ++pstats->host_port_stats_end;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003552
3553 return 0;
3554}
3555
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003556static int bnx2x_storm_stats_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003557{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003558 struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
3559 int cl_id = BP_CL_ID(bp);
3560 struct tstorm_per_port_stats *tport =
3561 &stats->tstorm_common.port_statistics;
3562 struct tstorm_per_client_stats *tclient =
3563 &stats->tstorm_common.client_statistics[cl_id];
3564 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3565 struct xstorm_per_client_stats *xclient =
3566 &stats->xstorm_common.client_statistics[cl_id];
3567 struct xstorm_per_client_stats *old_xclient = &bp->old_xclient;
3568 struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
3569 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3570 u32 diff;
3571
3572 /* are storm stats valid? */
3573 if ((u16)(le16_to_cpu(tclient->stats_counter) + 1) !=
3574 bp->stats_counter) {
3575 DP(BNX2X_MSG_STATS, "stats not updated by tstorm"
3576 " tstorm counter (%d) != stats_counter (%d)\n",
3577 tclient->stats_counter, bp->stats_counter);
3578 return -1;
3579 }
3580 if ((u16)(le16_to_cpu(xclient->stats_counter) + 1) !=
3581 bp->stats_counter) {
3582 DP(BNX2X_MSG_STATS, "stats not updated by xstorm"
3583 " xstorm counter (%d) != stats_counter (%d)\n",
3584 xclient->stats_counter, bp->stats_counter);
3585 return -2;
3586 }
3587
3588 fstats->total_bytes_received_hi =
3589 fstats->valid_bytes_received_hi =
3590 le32_to_cpu(tclient->total_rcv_bytes.hi);
3591 fstats->total_bytes_received_lo =
3592 fstats->valid_bytes_received_lo =
3593 le32_to_cpu(tclient->total_rcv_bytes.lo);
3594
3595 estats->error_bytes_received_hi =
3596 le32_to_cpu(tclient->rcv_error_bytes.hi);
3597 estats->error_bytes_received_lo =
3598 le32_to_cpu(tclient->rcv_error_bytes.lo);
3599 ADD_64(estats->error_bytes_received_hi,
3600 estats->rx_stat_ifhcinbadoctets_hi,
3601 estats->error_bytes_received_lo,
3602 estats->rx_stat_ifhcinbadoctets_lo);
3603
3604 ADD_64(fstats->total_bytes_received_hi,
3605 estats->error_bytes_received_hi,
3606 fstats->total_bytes_received_lo,
3607 estats->error_bytes_received_lo);
3608
3609 UPDATE_EXTEND_TSTAT(rcv_unicast_pkts, total_unicast_packets_received);
3610 UPDATE_EXTEND_TSTAT(rcv_multicast_pkts,
3611 total_multicast_packets_received);
3612 UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts,
3613 total_broadcast_packets_received);
3614
3615 fstats->total_bytes_transmitted_hi =
3616 le32_to_cpu(xclient->total_sent_bytes.hi);
3617 fstats->total_bytes_transmitted_lo =
3618 le32_to_cpu(xclient->total_sent_bytes.lo);
3619
3620 UPDATE_EXTEND_XSTAT(unicast_pkts_sent,
3621 total_unicast_packets_transmitted);
3622 UPDATE_EXTEND_XSTAT(multicast_pkts_sent,
3623 total_multicast_packets_transmitted);
3624 UPDATE_EXTEND_XSTAT(broadcast_pkts_sent,
3625 total_broadcast_packets_transmitted);
3626
3627 memcpy(estats, &(fstats->total_bytes_received_hi),
3628 sizeof(struct host_func_stats) - 2*sizeof(u32));
3629
3630 estats->mac_filter_discard = le32_to_cpu(tport->mac_filter_discard);
3631 estats->xxoverflow_discard = le32_to_cpu(tport->xxoverflow_discard);
3632 estats->brb_truncate_discard =
3633 le32_to_cpu(tport->brb_truncate_discard);
3634 estats->mac_discard = le32_to_cpu(tport->mac_discard);
3635
3636 old_tclient->rcv_unicast_bytes.hi =
3637 le32_to_cpu(tclient->rcv_unicast_bytes.hi);
3638 old_tclient->rcv_unicast_bytes.lo =
3639 le32_to_cpu(tclient->rcv_unicast_bytes.lo);
3640 old_tclient->rcv_broadcast_bytes.hi =
3641 le32_to_cpu(tclient->rcv_broadcast_bytes.hi);
3642 old_tclient->rcv_broadcast_bytes.lo =
3643 le32_to_cpu(tclient->rcv_broadcast_bytes.lo);
3644 old_tclient->rcv_multicast_bytes.hi =
3645 le32_to_cpu(tclient->rcv_multicast_bytes.hi);
3646 old_tclient->rcv_multicast_bytes.lo =
3647 le32_to_cpu(tclient->rcv_multicast_bytes.lo);
3648 old_tclient->total_rcv_pkts = le32_to_cpu(tclient->total_rcv_pkts);
3649
3650 old_tclient->checksum_discard = le32_to_cpu(tclient->checksum_discard);
3651 old_tclient->packets_too_big_discard =
3652 le32_to_cpu(tclient->packets_too_big_discard);
3653 estats->no_buff_discard =
3654 old_tclient->no_buff_discard = le32_to_cpu(tclient->no_buff_discard);
3655 old_tclient->ttl0_discard = le32_to_cpu(tclient->ttl0_discard);
3656
3657 old_xclient->total_sent_pkts = le32_to_cpu(xclient->total_sent_pkts);
3658 old_xclient->unicast_bytes_sent.hi =
3659 le32_to_cpu(xclient->unicast_bytes_sent.hi);
3660 old_xclient->unicast_bytes_sent.lo =
3661 le32_to_cpu(xclient->unicast_bytes_sent.lo);
3662 old_xclient->multicast_bytes_sent.hi =
3663 le32_to_cpu(xclient->multicast_bytes_sent.hi);
3664 old_xclient->multicast_bytes_sent.lo =
3665 le32_to_cpu(xclient->multicast_bytes_sent.lo);
3666 old_xclient->broadcast_bytes_sent.hi =
3667 le32_to_cpu(xclient->broadcast_bytes_sent.hi);
3668 old_xclient->broadcast_bytes_sent.lo =
3669 le32_to_cpu(xclient->broadcast_bytes_sent.lo);
3670
3671 fstats->host_func_stats_start = ++fstats->host_func_stats_end;
3672
3673 return 0;
3674}
3675
3676static void bnx2x_net_stats_update(struct bnx2x *bp)
3677{
3678 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3679 struct bnx2x_eth_stats *estats = &bp->eth_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003680 struct net_device_stats *nstats = &bp->dev->stats;
3681
3682 nstats->rx_packets =
3683 bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
3684 bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
3685 bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
3686
3687 nstats->tx_packets =
3688 bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
3689 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
3690 bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
3691
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003692 nstats->rx_bytes = bnx2x_hilo(&estats->valid_bytes_received_hi);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003693
Eliezer Tamir0e39e642008-02-28 11:54:03 -08003694 nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003695
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003696 nstats->rx_dropped = old_tclient->checksum_discard +
3697 estats->mac_discard;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003698 nstats->tx_dropped = 0;
3699
3700 nstats->multicast =
3701 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi);
3702
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003703 nstats->collisions =
3704 estats->tx_stat_dot3statssinglecollisionframes_lo +
3705 estats->tx_stat_dot3statsmultiplecollisionframes_lo +
3706 estats->tx_stat_dot3statslatecollisions_lo +
3707 estats->tx_stat_dot3statsexcessivecollisions_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003708
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003709 estats->jabber_packets_received =
3710 old_tclient->packets_too_big_discard +
3711 estats->rx_stat_dot3statsframestoolong_lo;
3712
3713 nstats->rx_length_errors =
3714 estats->rx_stat_etherstatsundersizepkts_lo +
3715 estats->jabber_packets_received;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003716 nstats->rx_over_errors = estats->brb_drop_lo + estats->brb_truncate_lo;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003717 nstats->rx_crc_errors = estats->rx_stat_dot3statsfcserrors_lo;
3718 nstats->rx_frame_errors = estats->rx_stat_dot3statsalignmenterrors_lo;
3719 nstats->rx_fifo_errors = old_tclient->no_buff_discard;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003720 nstats->rx_missed_errors = estats->xxoverflow_discard;
3721
3722 nstats->rx_errors = nstats->rx_length_errors +
3723 nstats->rx_over_errors +
3724 nstats->rx_crc_errors +
3725 nstats->rx_frame_errors +
Eliezer Tamir0e39e642008-02-28 11:54:03 -08003726 nstats->rx_fifo_errors +
3727 nstats->rx_missed_errors;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003728
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003729 nstats->tx_aborted_errors =
3730 estats->tx_stat_dot3statslatecollisions_lo +
3731 estats->tx_stat_dot3statsexcessivecollisions_lo;
3732 nstats->tx_carrier_errors = estats->rx_stat_falsecarriererrors_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003733 nstats->tx_fifo_errors = 0;
3734 nstats->tx_heartbeat_errors = 0;
3735 nstats->tx_window_errors = 0;
3736
3737 nstats->tx_errors = nstats->tx_aborted_errors +
3738 nstats->tx_carrier_errors;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003739}
3740
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003741static void bnx2x_stats_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003742{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003743 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3744 int update = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003745
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003746 if (*stats_comp != DMAE_COMP_VAL)
3747 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003748
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003749 if (bp->port.pmf)
3750 update = (bnx2x_hw_stats_update(bp) == 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003751
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003752 update |= (bnx2x_storm_stats_update(bp) == 0);
3753
3754 if (update)
3755 bnx2x_net_stats_update(bp);
3756
3757 else {
3758 if (bp->stats_pending) {
3759 bp->stats_pending++;
3760 if (bp->stats_pending == 3) {
3761 BNX2X_ERR("stats not updated for 3 times\n");
3762 bnx2x_panic();
3763 return;
3764 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003765 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003766 }
3767
3768 if (bp->msglevel & NETIF_MSG_TIMER) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003769 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3770 struct bnx2x_eth_stats *estats = &bp->eth_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003771 struct net_device_stats *nstats = &bp->dev->stats;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003772 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003773
3774 printk(KERN_DEBUG "%s:\n", bp->dev->name);
3775 printk(KERN_DEBUG " tx avail (%4x) tx hc idx (%x)"
3776 " tx pkt (%lx)\n",
3777 bnx2x_tx_avail(bp->fp),
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003778 le16_to_cpu(*bp->fp->tx_cons_sb), nstats->tx_packets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003779 printk(KERN_DEBUG " rx usage (%4x) rx hc idx (%x)"
3780 " rx pkt (%lx)\n",
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003781 (u16)(le16_to_cpu(*bp->fp->rx_cons_sb) -
3782 bp->fp->rx_comp_cons),
3783 le16_to_cpu(*bp->fp->rx_cons_sb), nstats->rx_packets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003784 printk(KERN_DEBUG " %s (Xoff events %u) brb drops %u\n",
Eilon Greenstein6378c022008-08-13 15:59:25 -07003785 netif_queue_stopped(bp->dev) ? "Xoff" : "Xon",
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003786 estats->driver_xoff, estats->brb_drop_lo);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003787 printk(KERN_DEBUG "tstats: checksum_discard %u "
3788 "packets_too_big_discard %u no_buff_discard %u "
3789 "mac_discard %u mac_filter_discard %u "
3790 "xxovrflow_discard %u brb_truncate_discard %u "
3791 "ttl0_discard %u\n",
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003792 old_tclient->checksum_discard,
3793 old_tclient->packets_too_big_discard,
3794 old_tclient->no_buff_discard, estats->mac_discard,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003795 estats->mac_filter_discard, estats->xxoverflow_discard,
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003796 estats->brb_truncate_discard,
3797 old_tclient->ttl0_discard);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003798
3799 for_each_queue(bp, i) {
3800 printk(KERN_DEBUG "[%d]: %lu\t%lu\t%lu\n", i,
3801 bnx2x_fp(bp, i, tx_pkt),
3802 bnx2x_fp(bp, i, rx_pkt),
3803 bnx2x_fp(bp, i, rx_calls));
3804 }
3805 }
3806
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003807 bnx2x_hw_stats_post(bp);
3808 bnx2x_storm_stats_post(bp);
3809}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003810
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003811static void bnx2x_port_stats_stop(struct bnx2x *bp)
3812{
3813 struct dmae_command *dmae;
3814 u32 opcode;
3815 int loader_idx = PMF_DMAE_C(bp);
3816 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003817
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003818 bp->executer_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003819
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003820 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3821 DMAE_CMD_C_ENABLE |
3822 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003823#ifdef __BIG_ENDIAN
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003824 DMAE_CMD_ENDIANITY_B_DW_SWAP |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003825#else
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003826 DMAE_CMD_ENDIANITY_DW_SWAP |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003827#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003828 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3829 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3830
3831 if (bp->port.port_stx) {
3832
3833 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3834 if (bp->func_stx)
3835 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3836 else
3837 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3838 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3839 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3840 dmae->dst_addr_lo = bp->port.port_stx >> 2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003841 dmae->dst_addr_hi = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003842 dmae->len = sizeof(struct host_port_stats) >> 2;
3843 if (bp->func_stx) {
3844 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3845 dmae->comp_addr_hi = 0;
3846 dmae->comp_val = 1;
3847 } else {
3848 dmae->comp_addr_lo =
3849 U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3850 dmae->comp_addr_hi =
3851 U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3852 dmae->comp_val = DMAE_COMP_VAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003853
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003854 *stats_comp = 0;
3855 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003856 }
3857
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003858 if (bp->func_stx) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003859
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003860 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3861 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3862 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3863 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3864 dmae->dst_addr_lo = bp->func_stx >> 2;
3865 dmae->dst_addr_hi = 0;
3866 dmae->len = sizeof(struct host_func_stats) >> 2;
3867 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3868 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3869 dmae->comp_val = DMAE_COMP_VAL;
3870
3871 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003872 }
3873}
3874
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003875static void bnx2x_stats_stop(struct bnx2x *bp)
3876{
3877 int update = 0;
3878
3879 bnx2x_stats_comp(bp);
3880
3881 if (bp->port.pmf)
3882 update = (bnx2x_hw_stats_update(bp) == 0);
3883
3884 update |= (bnx2x_storm_stats_update(bp) == 0);
3885
3886 if (update) {
3887 bnx2x_net_stats_update(bp);
3888
3889 if (bp->port.pmf)
3890 bnx2x_port_stats_stop(bp);
3891
3892 bnx2x_hw_stats_post(bp);
3893 bnx2x_stats_comp(bp);
3894 }
3895}
3896
3897static void bnx2x_stats_do_nothing(struct bnx2x *bp)
3898{
3899}
3900
3901static const struct {
3902 void (*action)(struct bnx2x *bp);
3903 enum bnx2x_stats_state next_state;
3904} bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
3905/* state event */
3906{
3907/* DISABLED PMF */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
3908/* LINK_UP */ {bnx2x_stats_start, STATS_STATE_ENABLED},
3909/* UPDATE */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
3910/* STOP */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
3911},
3912{
3913/* ENABLED PMF */ {bnx2x_stats_pmf_start, STATS_STATE_ENABLED},
3914/* LINK_UP */ {bnx2x_stats_restart, STATS_STATE_ENABLED},
3915/* UPDATE */ {bnx2x_stats_update, STATS_STATE_ENABLED},
3916/* STOP */ {bnx2x_stats_stop, STATS_STATE_DISABLED}
3917}
3918};
3919
3920static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
3921{
3922 enum bnx2x_stats_state state = bp->stats_state;
3923
3924 bnx2x_stats_stm[state][event].action(bp);
3925 bp->stats_state = bnx2x_stats_stm[state][event].next_state;
3926
3927 if ((event != STATS_EVENT_UPDATE) || (bp->msglevel & NETIF_MSG_TIMER))
3928 DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
3929 state, event, bp->stats_state);
3930}
3931
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003932static void bnx2x_timer(unsigned long data)
3933{
3934 struct bnx2x *bp = (struct bnx2x *) data;
3935
3936 if (!netif_running(bp->dev))
3937 return;
3938
3939 if (atomic_read(&bp->intr_sem) != 0)
Eliezer Tamirf1410642008-02-28 11:51:50 -08003940 goto timer_restart;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003941
3942 if (poll) {
3943 struct bnx2x_fastpath *fp = &bp->fp[0];
3944 int rc;
3945
3946 bnx2x_tx_int(fp, 1000);
3947 rc = bnx2x_rx_int(fp, 1000);
3948 }
3949
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003950 if (!BP_NOMCP(bp)) {
3951 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003952 u32 drv_pulse;
3953 u32 mcp_pulse;
3954
3955 ++bp->fw_drv_pulse_wr_seq;
3956 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3957 /* TBD - add SYSTEM_TIME */
3958 drv_pulse = bp->fw_drv_pulse_wr_seq;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003959 SHMEM_WR(bp, func_mb[func].drv_pulse_mb, drv_pulse);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003960
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003961 mcp_pulse = (SHMEM_RD(bp, func_mb[func].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003962 MCP_PULSE_SEQ_MASK);
3963 /* The delta between driver pulse and mcp response
3964 * should be 1 (before mcp response) or 0 (after mcp response)
3965 */
3966 if ((drv_pulse != mcp_pulse) &&
3967 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3968 /* someone lost a heartbeat... */
3969 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3970 drv_pulse, mcp_pulse);
3971 }
3972 }
3973
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003974 if ((bp->state == BNX2X_STATE_OPEN) ||
3975 (bp->state == BNX2X_STATE_DISABLED))
3976 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003977
Eliezer Tamirf1410642008-02-28 11:51:50 -08003978timer_restart:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003979 mod_timer(&bp->timer, jiffies + bp->current_interval);
3980}
3981
3982/* end of Statistics */
3983
3984/* nic init */
3985
3986/*
3987 * nic init service functions
3988 */
3989
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003990static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003991{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003992 int port = BP_PORT(bp);
3993
3994 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
3995 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
Yitchak Gertner35302982008-08-13 15:53:12 -07003996 sizeof(struct ustorm_status_block)/4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003997 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
3998 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
Yitchak Gertner35302982008-08-13 15:53:12 -07003999 sizeof(struct cstorm_status_block)/4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004000}
4001
Eilon Greenstein5c862842008-08-13 15:51:48 -07004002static void bnx2x_init_sb(struct bnx2x *bp, struct host_status_block *sb,
4003 dma_addr_t mapping, int sb_id)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004004{
4005 int port = BP_PORT(bp);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004006 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004007 int index;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004008 u64 section;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004009
4010 /* USTORM */
4011 section = ((u64)mapping) + offsetof(struct host_status_block,
4012 u_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004013 sb->u_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004014
4015 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004016 USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004017 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004018 ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004019 U64_HI(section));
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004020 REG_WR8(bp, BAR_USTRORM_INTMEM + FP_USB_FUNC_OFF +
4021 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004022
4023 for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++)
4024 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004025 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004026
4027 /* CSTORM */
4028 section = ((u64)mapping) + offsetof(struct host_status_block,
4029 c_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004030 sb->c_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004031
4032 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004033 CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004034 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004035 ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004036 U64_HI(section));
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004037 REG_WR8(bp, BAR_CSTRORM_INTMEM + FP_CSB_FUNC_OFF +
4038 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004039
4040 for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++)
4041 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004042 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004043
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004044 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
4045}
4046
4047static void bnx2x_zero_def_sb(struct bnx2x *bp)
4048{
4049 int func = BP_FUNC(bp);
4050
4051 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
4052 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4053 sizeof(struct ustorm_def_status_block)/4);
4054 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
4055 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4056 sizeof(struct cstorm_def_status_block)/4);
4057 bnx2x_init_fill(bp, BAR_XSTRORM_INTMEM +
4058 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4059 sizeof(struct xstorm_def_status_block)/4);
4060 bnx2x_init_fill(bp, BAR_TSTRORM_INTMEM +
4061 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4062 sizeof(struct tstorm_def_status_block)/4);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004063}
4064
4065static void bnx2x_init_def_sb(struct bnx2x *bp,
4066 struct host_def_status_block *def_sb,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004067 dma_addr_t mapping, int sb_id)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004068{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004069 int port = BP_PORT(bp);
4070 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004071 int index, val, reg_offset;
4072 u64 section;
4073
4074 /* ATTN */
4075 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4076 atten_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004077 def_sb->atten_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004078
Eliezer Tamir49d66772008-02-28 11:53:13 -08004079 bp->attn_state = 0;
4080
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004081 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4082 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4083
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004084 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004085 bp->attn_group[index].sig[0] = REG_RD(bp,
4086 reg_offset + 0x10*index);
4087 bp->attn_group[index].sig[1] = REG_RD(bp,
4088 reg_offset + 0x4 + 0x10*index);
4089 bp->attn_group[index].sig[2] = REG_RD(bp,
4090 reg_offset + 0x8 + 0x10*index);
4091 bp->attn_group[index].sig[3] = REG_RD(bp,
4092 reg_offset + 0xc + 0x10*index);
4093 }
4094
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004095 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4096 HC_REG_ATTN_MSG0_ADDR_L);
4097
4098 REG_WR(bp, reg_offset, U64_LO(section));
4099 REG_WR(bp, reg_offset + 4, U64_HI(section));
4100
4101 reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0);
4102
4103 val = REG_RD(bp, reg_offset);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004104 val |= sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004105 REG_WR(bp, reg_offset, val);
4106
4107 /* USTORM */
4108 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4109 u_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004110 def_sb->u_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004111
4112 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004113 USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004114 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004115 ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004116 U64_HI(section));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004117 REG_WR8(bp, BAR_USTRORM_INTMEM + DEF_USB_FUNC_OFF +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004118 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004119
4120 for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++)
4121 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004122 USTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004123
4124 /* CSTORM */
4125 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4126 c_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004127 def_sb->c_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004128
4129 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004130 CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004131 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004132 ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004133 U64_HI(section));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004134 REG_WR8(bp, BAR_CSTRORM_INTMEM + DEF_CSB_FUNC_OFF +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004135 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004136
4137 for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++)
4138 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004139 CSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004140
4141 /* TSTORM */
4142 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4143 t_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004144 def_sb->t_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004145
4146 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004147 TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004148 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004149 ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004150 U64_HI(section));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004151 REG_WR8(bp, BAR_TSTRORM_INTMEM + DEF_TSB_FUNC_OFF +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004152 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004153
4154 for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++)
4155 REG_WR16(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004156 TSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004157
4158 /* XSTORM */
4159 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4160 x_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004161 def_sb->x_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004162
4163 REG_WR(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004164 XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004165 REG_WR(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004166 ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004167 U64_HI(section));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004168 REG_WR8(bp, BAR_XSTRORM_INTMEM + DEF_XSB_FUNC_OFF +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004169 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004170
4171 for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++)
4172 REG_WR16(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004173 XSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004174
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004175 bp->stats_pending = 0;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004176 bp->set_mac_pending = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004177
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004178 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004179}
4180
4181static void bnx2x_update_coalesce(struct bnx2x *bp)
4182{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004183 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004184 int i;
4185
4186 for_each_queue(bp, i) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004187 int sb_id = bp->fp[i].sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004188
4189 /* HC_INDEX_U_ETH_RX_CQ_CONS */
4190 REG_WR8(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004191 USTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
Eilon Greenstein5c862842008-08-13 15:51:48 -07004192 U_SB_ETH_RX_CQ_INDEX),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004193 bp->rx_ticks/12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004194 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004195 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
Eilon Greenstein5c862842008-08-13 15:51:48 -07004196 U_SB_ETH_RX_CQ_INDEX),
4197 bp->rx_ticks ? 0 : 1);
4198 REG_WR16(bp, BAR_USTRORM_INTMEM +
4199 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4200 U_SB_ETH_RX_BD_INDEX),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004201 bp->rx_ticks ? 0 : 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004202
4203 /* HC_INDEX_C_ETH_TX_CQ_CONS */
4204 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004205 CSTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
Eilon Greenstein5c862842008-08-13 15:51:48 -07004206 C_SB_ETH_TX_CQ_INDEX),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004207 bp->tx_ticks/12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004208 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004209 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
Eilon Greenstein5c862842008-08-13 15:51:48 -07004210 C_SB_ETH_TX_CQ_INDEX),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004211 bp->tx_ticks ? 0 : 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004212 }
4213}
4214
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004215static inline void bnx2x_free_tpa_pool(struct bnx2x *bp,
4216 struct bnx2x_fastpath *fp, int last)
4217{
4218 int i;
4219
4220 for (i = 0; i < last; i++) {
4221 struct sw_rx_bd *rx_buf = &(fp->tpa_pool[i]);
4222 struct sk_buff *skb = rx_buf->skb;
4223
4224 if (skb == NULL) {
4225 DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i);
4226 continue;
4227 }
4228
4229 if (fp->tpa_state[i] == BNX2X_TPA_START)
4230 pci_unmap_single(bp->pdev,
4231 pci_unmap_addr(rx_buf, mapping),
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07004232 bp->rx_buf_size,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004233 PCI_DMA_FROMDEVICE);
4234
4235 dev_kfree_skb(skb);
4236 rx_buf->skb = NULL;
4237 }
4238}
4239
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004240static void bnx2x_init_rx_rings(struct bnx2x *bp)
4241{
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004242 int func = BP_FUNC(bp);
Eilon Greenstein32626232008-08-13 15:51:07 -07004243 int max_agg_queues = CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 :
4244 ETH_MAX_AGGREGATION_QUEUES_E1H;
4245 u16 ring_prod, cqe_ring_prod;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004246 int i, j;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004247
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07004248 bp->rx_buf_size = bp->dev->mtu;
4249 bp->rx_buf_size += bp->rx_offset + ETH_OVREHEAD +
4250 BCM_RX_ETH_PAYLOAD_ALIGN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004251
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004252 if (bp->flags & TPA_ENABLE_FLAG) {
4253 DP(NETIF_MSG_IFUP,
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07004254 "rx_buf_size %d effective_mtu %d\n",
4255 bp->rx_buf_size, bp->dev->mtu + ETH_OVREHEAD);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004256
4257 for_each_queue(bp, j) {
Eilon Greenstein32626232008-08-13 15:51:07 -07004258 struct bnx2x_fastpath *fp = &bp->fp[j];
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004259
Eilon Greenstein32626232008-08-13 15:51:07 -07004260 for (i = 0; i < max_agg_queues; i++) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004261 fp->tpa_pool[i].skb =
4262 netdev_alloc_skb(bp->dev, bp->rx_buf_size);
4263 if (!fp->tpa_pool[i].skb) {
4264 BNX2X_ERR("Failed to allocate TPA "
4265 "skb pool for queue[%d] - "
4266 "disabling TPA on this "
4267 "queue!\n", j);
4268 bnx2x_free_tpa_pool(bp, fp, i);
4269 fp->disable_tpa = 1;
4270 break;
4271 }
4272 pci_unmap_addr_set((struct sw_rx_bd *)
4273 &bp->fp->tpa_pool[i],
4274 mapping, 0);
4275 fp->tpa_state[i] = BNX2X_TPA_STOP;
4276 }
4277 }
4278 }
4279
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004280 for_each_queue(bp, j) {
4281 struct bnx2x_fastpath *fp = &bp->fp[j];
4282
4283 fp->rx_bd_cons = 0;
4284 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004285 fp->rx_bd_cons_sb = BNX2X_RX_SB_BD_INDEX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004286
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004287 /* "next page" elements initialization */
4288 /* SGE ring */
4289 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
4290 struct eth_rx_sge *sge;
4291
4292 sge = &fp->rx_sge_ring[RX_SGE_CNT * i - 2];
4293 sge->addr_hi =
4294 cpu_to_le32(U64_HI(fp->rx_sge_mapping +
4295 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4296 sge->addr_lo =
4297 cpu_to_le32(U64_LO(fp->rx_sge_mapping +
4298 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4299 }
4300
4301 bnx2x_init_sge_ring_bit_mask(fp);
4302
4303 /* RX BD ring */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004304 for (i = 1; i <= NUM_RX_RINGS; i++) {
4305 struct eth_rx_bd *rx_bd;
4306
4307 rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2];
4308 rx_bd->addr_hi =
4309 cpu_to_le32(U64_HI(fp->rx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004310 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004311 rx_bd->addr_lo =
4312 cpu_to_le32(U64_LO(fp->rx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004313 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004314 }
4315
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004316 /* CQ ring */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004317 for (i = 1; i <= NUM_RCQ_RINGS; i++) {
4318 struct eth_rx_cqe_next_page *nextpg;
4319
4320 nextpg = (struct eth_rx_cqe_next_page *)
4321 &fp->rx_comp_ring[RCQ_DESC_CNT * i - 1];
4322 nextpg->addr_hi =
4323 cpu_to_le32(U64_HI(fp->rx_comp_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004324 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004325 nextpg->addr_lo =
4326 cpu_to_le32(U64_LO(fp->rx_comp_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004327 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004328 }
4329
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004330 /* Allocate SGEs and initialize the ring elements */
4331 for (i = 0, ring_prod = 0;
4332 i < MAX_RX_SGE_CNT*NUM_RX_SGE_PAGES; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004333
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004334 if (bnx2x_alloc_rx_sge(bp, fp, ring_prod) < 0) {
4335 BNX2X_ERR("was only able to allocate "
4336 "%d rx sges\n", i);
4337 BNX2X_ERR("disabling TPA for queue[%d]\n", j);
4338 /* Cleanup already allocated elements */
4339 bnx2x_free_rx_sge_range(bp, fp, ring_prod);
Eilon Greenstein32626232008-08-13 15:51:07 -07004340 bnx2x_free_tpa_pool(bp, fp, max_agg_queues);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004341 fp->disable_tpa = 1;
4342 ring_prod = 0;
4343 break;
4344 }
4345 ring_prod = NEXT_SGE_IDX(ring_prod);
4346 }
4347 fp->rx_sge_prod = ring_prod;
4348
4349 /* Allocate BDs and initialize BD ring */
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004350 fp->rx_comp_cons = 0;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004351 cqe_ring_prod = ring_prod = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004352 for (i = 0; i < bp->rx_ring_size; i++) {
4353 if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) {
4354 BNX2X_ERR("was only able to allocate "
4355 "%d rx skbs\n", i);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004356 bp->eth_stats.rx_skb_alloc_failed++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004357 break;
4358 }
4359 ring_prod = NEXT_RX_IDX(ring_prod);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004360 cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod);
Ilpo Järvinen53e5e962008-07-25 21:40:45 -07004361 WARN_ON(ring_prod <= i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004362 }
4363
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004364 fp->rx_bd_prod = ring_prod;
4365 /* must not have more available CQEs than BDs */
4366 fp->rx_comp_prod = min((u16)(NUM_RCQ_RINGS*RCQ_DESC_CNT),
4367 cqe_ring_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004368 fp->rx_pkt = fp->rx_calls = 0;
4369
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004370 /* Warning!
4371 * this will generate an interrupt (to the TSTORM)
4372 * must only be done after chip is initialized
4373 */
4374 bnx2x_update_rx_prod(bp, fp, ring_prod, fp->rx_comp_prod,
4375 fp->rx_sge_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004376 if (j != 0)
4377 continue;
4378
4379 REG_WR(bp, BAR_USTRORM_INTMEM +
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004380 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004381 U64_LO(fp->rx_comp_mapping));
4382 REG_WR(bp, BAR_USTRORM_INTMEM +
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004383 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004384 U64_HI(fp->rx_comp_mapping));
4385 }
4386}
4387
4388static void bnx2x_init_tx_ring(struct bnx2x *bp)
4389{
4390 int i, j;
4391
4392 for_each_queue(bp, j) {
4393 struct bnx2x_fastpath *fp = &bp->fp[j];
4394
4395 for (i = 1; i <= NUM_TX_RINGS; i++) {
4396 struct eth_tx_bd *tx_bd =
4397 &fp->tx_desc_ring[TX_DESC_CNT * i - 1];
4398
4399 tx_bd->addr_hi =
4400 cpu_to_le32(U64_HI(fp->tx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004401 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004402 tx_bd->addr_lo =
4403 cpu_to_le32(U64_LO(fp->tx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004404 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004405 }
4406
4407 fp->tx_pkt_prod = 0;
4408 fp->tx_pkt_cons = 0;
4409 fp->tx_bd_prod = 0;
4410 fp->tx_bd_cons = 0;
4411 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4412 fp->tx_pkt = 0;
4413 }
4414}
4415
4416static void bnx2x_init_sp_ring(struct bnx2x *bp)
4417{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004418 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004419
4420 spin_lock_init(&bp->spq_lock);
4421
4422 bp->spq_left = MAX_SPQ_PENDING;
4423 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004424 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4425 bp->spq_prod_bd = bp->spq;
4426 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
4427
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004428 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004429 U64_LO(bp->spq_mapping));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004430 REG_WR(bp,
4431 XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004432 U64_HI(bp->spq_mapping));
4433
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004434 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004435 bp->spq_prod_idx);
4436}
4437
4438static void bnx2x_init_context(struct bnx2x *bp)
4439{
4440 int i;
4441
4442 for_each_queue(bp, i) {
4443 struct eth_context *context = bnx2x_sp(bp, context[i].eth);
4444 struct bnx2x_fastpath *fp = &bp->fp[i];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004445 u8 sb_id = FP_SB_ID(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004446
4447 context->xstorm_st_context.tx_bd_page_base_hi =
4448 U64_HI(fp->tx_desc_mapping);
4449 context->xstorm_st_context.tx_bd_page_base_lo =
4450 U64_LO(fp->tx_desc_mapping);
4451 context->xstorm_st_context.db_data_addr_hi =
4452 U64_HI(fp->tx_prods_mapping);
4453 context->xstorm_st_context.db_data_addr_lo =
4454 U64_LO(fp->tx_prods_mapping);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004455 context->xstorm_st_context.statistics_data = (BP_CL_ID(bp) |
4456 XSTORM_ETH_ST_CONTEXT_STATISTICS_ENABLE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004457
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004458 context->ustorm_st_context.common.sb_index_numbers =
4459 BNX2X_RX_SB_INDEX_NUM;
4460 context->ustorm_st_context.common.clientId = FP_CL_ID(fp);
4461 context->ustorm_st_context.common.status_block_id = sb_id;
4462 context->ustorm_st_context.common.flags =
4463 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_MC_ALIGNMENT;
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07004464 context->ustorm_st_context.common.mc_alignment_size =
4465 BCM_RX_ETH_PAYLOAD_ALIGN;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004466 context->ustorm_st_context.common.bd_buff_size =
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07004467 bp->rx_buf_size;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004468 context->ustorm_st_context.common.bd_page_base_hi =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004469 U64_HI(fp->rx_desc_mapping);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004470 context->ustorm_st_context.common.bd_page_base_lo =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004471 U64_LO(fp->rx_desc_mapping);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004472 if (!fp->disable_tpa) {
4473 context->ustorm_st_context.common.flags |=
4474 (USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_TPA |
4475 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_SGE_RING);
4476 context->ustorm_st_context.common.sge_buff_size =
4477 (u16)(BCM_PAGE_SIZE*PAGES_PER_SGE);
4478 context->ustorm_st_context.common.sge_page_base_hi =
4479 U64_HI(fp->rx_sge_mapping);
4480 context->ustorm_st_context.common.sge_page_base_lo =
4481 U64_LO(fp->rx_sge_mapping);
4482 }
4483
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004484 context->cstorm_st_context.sb_index_number =
Eilon Greenstein5c862842008-08-13 15:51:48 -07004485 C_SB_ETH_TX_CQ_INDEX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004486 context->cstorm_st_context.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004487
4488 context->xstorm_ag_context.cdu_reserved =
4489 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4490 CDU_REGION_NUMBER_XCM_AG,
4491 ETH_CONNECTION_TYPE);
4492 context->ustorm_ag_context.cdu_usage =
4493 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4494 CDU_REGION_NUMBER_UCM_AG,
4495 ETH_CONNECTION_TYPE);
4496 }
4497}
4498
4499static void bnx2x_init_ind_table(struct bnx2x *bp)
4500{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004501 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004502 int i;
4503
4504 if (!is_multi(bp))
4505 return;
4506
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004507 DP(NETIF_MSG_IFUP, "Initializing indirection table\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004508 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004509 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4510 TSTORM_INDIRECTION_TABLE_OFFSET(port) + i,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004511 i % bp->num_queues);
4512
4513 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
4514}
4515
Eliezer Tamir49d66772008-02-28 11:53:13 -08004516static void bnx2x_set_client_config(struct bnx2x *bp)
4517{
Eliezer Tamir49d66772008-02-28 11:53:13 -08004518 struct tstorm_eth_client_config tstorm_client = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004519 int port = BP_PORT(bp);
4520 int i;
Eliezer Tamir49d66772008-02-28 11:53:13 -08004521
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004522 tstorm_client.mtu = bp->dev->mtu + ETH_OVREHEAD;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004523 tstorm_client.statistics_counter_id = BP_CL_ID(bp);
Eliezer Tamir49d66772008-02-28 11:53:13 -08004524 tstorm_client.config_flags =
4525 TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE;
4526#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004527 if (bp->rx_mode && bp->vlgrp) {
Eliezer Tamir49d66772008-02-28 11:53:13 -08004528 tstorm_client.config_flags |=
4529 TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE;
4530 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
4531 }
4532#endif
Eliezer Tamir49d66772008-02-28 11:53:13 -08004533
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004534 if (bp->flags & TPA_ENABLE_FLAG) {
4535 tstorm_client.max_sges_for_packet =
4536 BCM_PAGE_ALIGN(tstorm_client.mtu) >> BCM_PAGE_SHIFT;
4537 tstorm_client.max_sges_for_packet =
4538 ((tstorm_client.max_sges_for_packet +
4539 PAGES_PER_SGE - 1) & (~(PAGES_PER_SGE - 1))) >>
4540 PAGES_PER_SGE_SHIFT;
4541
4542 tstorm_client.config_flags |=
4543 TSTORM_ETH_CLIENT_CONFIG_ENABLE_SGE_RING;
4544 }
4545
Eliezer Tamir49d66772008-02-28 11:53:13 -08004546 for_each_queue(bp, i) {
4547 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004548 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id),
Eliezer Tamir49d66772008-02-28 11:53:13 -08004549 ((u32 *)&tstorm_client)[0]);
4550 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004551 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id) + 4,
Eliezer Tamir49d66772008-02-28 11:53:13 -08004552 ((u32 *)&tstorm_client)[1]);
4553 }
4554
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004555 DP(BNX2X_MSG_OFF, "tstorm_client: 0x%08x 0x%08x\n",
4556 ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]);
Eliezer Tamir49d66772008-02-28 11:53:13 -08004557}
4558
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004559static void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
4560{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004561 struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004562 int mode = bp->rx_mode;
4563 int mask = (1 << BP_L_ID(bp));
4564 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004565 int i;
4566
Eilon Greenstein3196a882008-08-13 15:58:49 -07004567 DP(NETIF_MSG_IFUP, "rx mode %d mask 0x%x\n", mode, mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004568
4569 switch (mode) {
4570 case BNX2X_RX_MODE_NONE: /* no Rx */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004571 tstorm_mac_filter.ucast_drop_all = mask;
4572 tstorm_mac_filter.mcast_drop_all = mask;
4573 tstorm_mac_filter.bcast_drop_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004574 break;
4575 case BNX2X_RX_MODE_NORMAL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004576 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004577 break;
4578 case BNX2X_RX_MODE_ALLMULTI:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004579 tstorm_mac_filter.mcast_accept_all = mask;
4580 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004581 break;
4582 case BNX2X_RX_MODE_PROMISC:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004583 tstorm_mac_filter.ucast_accept_all = mask;
4584 tstorm_mac_filter.mcast_accept_all = mask;
4585 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004586 break;
4587 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004588 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4589 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004590 }
4591
4592 for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) {
4593 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004594 TSTORM_MAC_FILTER_CONFIG_OFFSET(func) + i * 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004595 ((u32 *)&tstorm_mac_filter)[i]);
4596
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004597/* DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004598 ((u32 *)&tstorm_mac_filter)[i]); */
4599 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004600
Eliezer Tamir49d66772008-02-28 11:53:13 -08004601 if (mode != BNX2X_RX_MODE_NONE)
4602 bnx2x_set_client_config(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004603}
4604
Eilon Greenstein471de712008-08-13 15:49:35 -07004605static void bnx2x_init_internal_common(struct bnx2x *bp)
4606{
4607 int i;
4608
Yitchak Gertner3cdf1db2008-08-25 15:24:21 -07004609 if (bp->flags & TPA_ENABLE_FLAG) {
4610 struct tstorm_eth_tpa_exist tpa = {0};
4611
4612 tpa.tpa_exist = 1;
4613
4614 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET,
4615 ((u32 *)&tpa)[0]);
4616 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET + 4,
4617 ((u32 *)&tpa)[1]);
4618 }
4619
Eilon Greenstein471de712008-08-13 15:49:35 -07004620 /* Zero this manually as its initialization is
4621 currently missing in the initTool */
4622 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4623 REG_WR(bp, BAR_USTRORM_INTMEM +
4624 USTORM_AGG_DATA_OFFSET + i * 4, 0);
4625}
4626
4627static void bnx2x_init_internal_port(struct bnx2x *bp)
4628{
4629 int port = BP_PORT(bp);
4630
4631 REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4632 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4633 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4634 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4635}
4636
4637static void bnx2x_init_internal_func(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004638{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004639 struct tstorm_eth_function_common_config tstorm_config = {0};
4640 struct stats_indication_flags stats_flags = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004641 int port = BP_PORT(bp);
4642 int func = BP_FUNC(bp);
4643 int i;
Eilon Greenstein471de712008-08-13 15:49:35 -07004644 u16 max_agg_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004645
4646 if (is_multi(bp)) {
4647 tstorm_config.config_flags = MULTI_FLAGS;
4648 tstorm_config.rss_result_mask = MULTI_MASK;
4649 }
4650
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004651 tstorm_config.leading_client_id = BP_L_ID(bp);
4652
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004653 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004654 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004655 (*(u32 *)&tstorm_config));
4656
Eliezer Tamirc14423f2008-02-28 11:49:42 -08004657 bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004658 bnx2x_set_storm_rx_mode(bp);
4659
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004660 /* reset xstorm per client statistics */
4661 for (i = 0; i < sizeof(struct xstorm_per_client_stats) / 4; i++) {
4662 REG_WR(bp, BAR_XSTRORM_INTMEM +
4663 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4664 i*4, 0);
4665 }
4666 /* reset tstorm per client statistics */
4667 for (i = 0; i < sizeof(struct tstorm_per_client_stats) / 4; i++) {
4668 REG_WR(bp, BAR_TSTRORM_INTMEM +
4669 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4670 i*4, 0);
4671 }
4672
4673 /* Init statistics related context */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004674 stats_flags.collect_eth = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004675
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004676 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004677 ((u32 *)&stats_flags)[0]);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004678 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004679 ((u32 *)&stats_flags)[1]);
4680
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004681 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004682 ((u32 *)&stats_flags)[0]);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004683 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004684 ((u32 *)&stats_flags)[1]);
4685
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004686 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004687 ((u32 *)&stats_flags)[0]);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004688 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004689 ((u32 *)&stats_flags)[1]);
4690
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004691 REG_WR(bp, BAR_XSTRORM_INTMEM +
4692 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4693 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4694 REG_WR(bp, BAR_XSTRORM_INTMEM +
4695 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4696 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
4697
4698 REG_WR(bp, BAR_TSTRORM_INTMEM +
4699 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4700 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4701 REG_WR(bp, BAR_TSTRORM_INTMEM +
4702 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4703 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004704
4705 if (CHIP_IS_E1H(bp)) {
4706 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
4707 IS_E1HMF(bp));
4708 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
4709 IS_E1HMF(bp));
4710 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
4711 IS_E1HMF(bp));
4712 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
4713 IS_E1HMF(bp));
4714
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004715 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(func),
4716 bp->e1hov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004717 }
4718
Eilon Greenstein471de712008-08-13 15:49:35 -07004719 /* Init CQ ring mapping and aggregation size */
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07004720 max_agg_size = min((u32)(bp->rx_buf_size +
Eilon Greenstein471de712008-08-13 15:49:35 -07004721 8*BCM_PAGE_SIZE*PAGES_PER_SGE),
4722 (u32)0xffff);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004723 for_each_queue(bp, i) {
4724 struct bnx2x_fastpath *fp = &bp->fp[i];
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004725
4726 REG_WR(bp, BAR_USTRORM_INTMEM +
4727 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)),
4728 U64_LO(fp->rx_comp_mapping));
4729 REG_WR(bp, BAR_USTRORM_INTMEM +
4730 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)) + 4,
4731 U64_HI(fp->rx_comp_mapping));
4732
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004733 REG_WR16(bp, BAR_USTRORM_INTMEM +
4734 USTORM_MAX_AGG_SIZE_OFFSET(port, FP_CL_ID(fp)),
4735 max_agg_size);
4736 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004737}
4738
Eilon Greenstein471de712008-08-13 15:49:35 -07004739static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4740{
4741 switch (load_code) {
4742 case FW_MSG_CODE_DRV_LOAD_COMMON:
4743 bnx2x_init_internal_common(bp);
4744 /* no break */
4745
4746 case FW_MSG_CODE_DRV_LOAD_PORT:
4747 bnx2x_init_internal_port(bp);
4748 /* no break */
4749
4750 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
4751 bnx2x_init_internal_func(bp);
4752 break;
4753
4754 default:
4755 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4756 break;
4757 }
4758}
4759
4760static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004761{
4762 int i;
4763
4764 for_each_queue(bp, i) {
4765 struct bnx2x_fastpath *fp = &bp->fp[i];
4766
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004767 fp->bp = bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004768 fp->state = BNX2X_FP_STATE_CLOSED;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004769 fp->index = i;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004770 fp->cl_id = BP_L_ID(bp) + i;
4771 fp->sb_id = fp->cl_id;
4772 DP(NETIF_MSG_IFUP,
4773 "bnx2x_init_sb(%p,%p) index %d cl_id %d sb %d\n",
4774 bp, fp->status_blk, i, FP_CL_ID(fp), FP_SB_ID(fp));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004775 bnx2x_init_sb(bp, fp->status_blk, fp->status_blk_mapping,
4776 FP_SB_ID(fp));
4777 bnx2x_update_fpsb_idx(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004778 }
4779
Eilon Greenstein5c862842008-08-13 15:51:48 -07004780 bnx2x_init_def_sb(bp, bp->def_status_blk, bp->def_status_blk_mapping,
4781 DEF_SB_ID);
4782 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004783 bnx2x_update_coalesce(bp);
4784 bnx2x_init_rx_rings(bp);
4785 bnx2x_init_tx_ring(bp);
4786 bnx2x_init_sp_ring(bp);
4787 bnx2x_init_context(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07004788 bnx2x_init_internal(bp, load_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004789 bnx2x_init_ind_table(bp);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08004790 bnx2x_int_enable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004791}
4792
4793/* end of nic init */
4794
4795/*
4796 * gzip service functions
4797 */
4798
4799static int bnx2x_gunzip_init(struct bnx2x *bp)
4800{
4801 bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE,
4802 &bp->gunzip_mapping);
4803 if (bp->gunzip_buf == NULL)
4804 goto gunzip_nomem1;
4805
4806 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4807 if (bp->strm == NULL)
4808 goto gunzip_nomem2;
4809
4810 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4811 GFP_KERNEL);
4812 if (bp->strm->workspace == NULL)
4813 goto gunzip_nomem3;
4814
4815 return 0;
4816
4817gunzip_nomem3:
4818 kfree(bp->strm);
4819 bp->strm = NULL;
4820
4821gunzip_nomem2:
4822 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4823 bp->gunzip_mapping);
4824 bp->gunzip_buf = NULL;
4825
4826gunzip_nomem1:
4827 printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for"
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004828 " un-compression\n", bp->dev->name);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004829 return -ENOMEM;
4830}
4831
4832static void bnx2x_gunzip_end(struct bnx2x *bp)
4833{
4834 kfree(bp->strm->workspace);
4835
4836 kfree(bp->strm);
4837 bp->strm = NULL;
4838
4839 if (bp->gunzip_buf) {
4840 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4841 bp->gunzip_mapping);
4842 bp->gunzip_buf = NULL;
4843 }
4844}
4845
4846static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len)
4847{
4848 int n, rc;
4849
4850 /* check gzip header */
4851 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED))
4852 return -EINVAL;
4853
4854 n = 10;
4855
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004856#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004857
4858 if (zbuf[3] & FNAME)
4859 while ((zbuf[n++] != 0) && (n < len));
4860
4861 bp->strm->next_in = zbuf + n;
4862 bp->strm->avail_in = len - n;
4863 bp->strm->next_out = bp->gunzip_buf;
4864 bp->strm->avail_out = FW_BUF_SIZE;
4865
4866 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4867 if (rc != Z_OK)
4868 return rc;
4869
4870 rc = zlib_inflate(bp->strm, Z_FINISH);
4871 if ((rc != Z_OK) && (rc != Z_STREAM_END))
4872 printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n",
4873 bp->dev->name, bp->strm->msg);
4874
4875 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4876 if (bp->gunzip_outlen & 0x3)
4877 printk(KERN_ERR PFX "%s: Firmware decompression error:"
4878 " gunzip_outlen (%d) not aligned\n",
4879 bp->dev->name, bp->gunzip_outlen);
4880 bp->gunzip_outlen >>= 2;
4881
4882 zlib_inflateEnd(bp->strm);
4883
4884 if (rc == Z_STREAM_END)
4885 return 0;
4886
4887 return rc;
4888}
4889
4890/* nic load/unload */
4891
4892/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004893 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004894 */
4895
4896/* send a NIG loopback debug packet */
4897static void bnx2x_lb_pckt(struct bnx2x *bp)
4898{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004899 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004900
4901 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004902 wb_write[0] = 0x55555555;
4903 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004904 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004905 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004906
4907 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004908 wb_write[0] = 0x09000000;
4909 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004910 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004911 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004912}
4913
4914/* some of the internal memories
4915 * are not directly readable from the driver
4916 * to test them we send debug packets
4917 */
4918static int bnx2x_int_mem_test(struct bnx2x *bp)
4919{
4920 int factor;
4921 int count, i;
4922 u32 val = 0;
4923
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004924 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004925 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004926 else if (CHIP_REV_IS_EMUL(bp))
4927 factor = 200;
4928 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004929 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004930
4931 DP(NETIF_MSG_HW, "start part1\n");
4932
4933 /* Disable inputs of parser neighbor blocks */
4934 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4935 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4936 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004937 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004938
4939 /* Write 0 to parser credits for CFC search request */
4940 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4941
4942 /* send Ethernet packet */
4943 bnx2x_lb_pckt(bp);
4944
4945 /* TODO do i reset NIG statistic? */
4946 /* Wait until NIG register shows 1 packet of size 0x10 */
4947 count = 1000 * factor;
4948 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004949
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004950 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4951 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004952 if (val == 0x10)
4953 break;
4954
4955 msleep(10);
4956 count--;
4957 }
4958 if (val != 0x10) {
4959 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4960 return -1;
4961 }
4962
4963 /* Wait until PRS register shows 1 packet */
4964 count = 1000 * factor;
4965 while (count) {
4966 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004967 if (val == 1)
4968 break;
4969
4970 msleep(10);
4971 count--;
4972 }
4973 if (val != 0x1) {
4974 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4975 return -2;
4976 }
4977
4978 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004979 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004980 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004981 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004982 msleep(50);
4983 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
4984 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
4985
4986 DP(NETIF_MSG_HW, "part2\n");
4987
4988 /* Disable inputs of parser neighbor blocks */
4989 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4990 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4991 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004992 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004993
4994 /* Write 0 to parser credits for CFC search request */
4995 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4996
4997 /* send 10 Ethernet packets */
4998 for (i = 0; i < 10; i++)
4999 bnx2x_lb_pckt(bp);
5000
5001 /* Wait until NIG register shows 10 + 1
5002 packets of size 11*0x10 = 0xb0 */
5003 count = 1000 * factor;
5004 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005005
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005006 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5007 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005008 if (val == 0xb0)
5009 break;
5010
5011 msleep(10);
5012 count--;
5013 }
5014 if (val != 0xb0) {
5015 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5016 return -3;
5017 }
5018
5019 /* Wait until PRS register shows 2 packets */
5020 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5021 if (val != 2)
5022 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5023
5024 /* Write 1 to parser credits for CFC search request */
5025 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
5026
5027 /* Wait until PRS register shows 3 packets */
5028 msleep(10 * factor);
5029 /* Wait until NIG register shows 1 packet of size 0x10 */
5030 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5031 if (val != 3)
5032 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5033
5034 /* clear NIG EOP FIFO */
5035 for (i = 0; i < 11; i++)
5036 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
5037 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
5038 if (val != 1) {
5039 BNX2X_ERR("clear of NIG failed\n");
5040 return -4;
5041 }
5042
5043 /* Reset and init BRB, PRS, NIG */
5044 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
5045 msleep(50);
5046 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
5047 msleep(50);
5048 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5049 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5050#ifndef BCM_ISCSI
5051 /* set NIC mode */
5052 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5053#endif
5054
5055 /* Enable inputs of parser neighbor blocks */
5056 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
5057 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
5058 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005059 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005060
5061 DP(NETIF_MSG_HW, "done\n");
5062
5063 return 0; /* OK */
5064}
5065
5066static void enable_blocks_attention(struct bnx2x *bp)
5067{
5068 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5069 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
5070 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5071 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5072 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
5073 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
5074 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
5075 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
5076 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005077/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
5078/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005079 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
5080 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
5081 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005082/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
5083/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005084 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
5085 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
5086 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
5087 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005088/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
5089/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
5090 if (CHIP_REV_IS_FPGA(bp))
5091 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
5092 else
5093 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005094 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
5095 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
5096 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005097/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
5098/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005099 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
5100 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005101/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
5102 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005103}
5104
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005105
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005106static int bnx2x_init_common(struct bnx2x *bp)
5107{
5108 u32 val, i;
5109
5110 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_FUNC(bp));
5111
5112 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
5113 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
5114
5115 bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END);
5116 if (CHIP_IS_E1H(bp))
5117 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_E1HMF(bp));
5118
5119 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100);
5120 msleep(30);
5121 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0);
5122
5123 bnx2x_init_block(bp, PXP_COMMON_START, PXP_COMMON_END);
5124 if (CHIP_IS_E1(bp)) {
5125 /* enable HW interrupt from PXP on USDM overflow
5126 bit 16 on INT_MASK_0 */
5127 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005128 }
5129
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005130 bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END);
5131 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005132
5133#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005134 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5135 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5136 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5137 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5138 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
5139 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005140
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005141/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5142 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5143 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5144 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5145 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005146#endif
5147
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005148 REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005149#ifdef BCM_ISCSI
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005150 REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5);
5151 REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5);
5152 REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005153#endif
5154
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005155 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5156 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005157
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005158 /* let the HW do it's magic ... */
5159 msleep(100);
5160 /* finish PXP init */
5161 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5162 if (val != 1) {
5163 BNX2X_ERR("PXP2 CFG failed\n");
5164 return -EBUSY;
5165 }
5166 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5167 if (val != 1) {
5168 BNX2X_ERR("PXP2 RD_INIT failed\n");
5169 return -EBUSY;
5170 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005171
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005172 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5173 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005174
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005175 bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005176
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005177 /* clean the DMAE memory */
5178 bp->dmae_ready = 1;
5179 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005180
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005181 bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END);
5182 bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END);
5183 bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END);
5184 bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005185
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005186 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5187 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5188 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5189 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5190
5191 bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END);
5192 /* soft reset pulse */
5193 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5194 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005195
5196#ifdef BCM_ISCSI
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005197 bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005198#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005199
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005200 bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END);
5201 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_SHIFT);
5202 if (!CHIP_REV_IS_SLOW(bp)) {
5203 /* enable hw interrupt from doorbell Q */
5204 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5205 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005206
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005207 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5208 if (CHIP_REV_IS_SLOW(bp)) {
5209 /* fix for emulation and FPGA for no pause */
5210 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0, 513);
5211 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_1, 513);
5212 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0, 0);
5213 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_1, 0);
5214 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005215
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005216 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005217 /* set NIC mode */
5218 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005219 if (CHIP_IS_E1H(bp))
5220 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_E1HMF(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005221
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005222 bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END);
5223 bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END);
5224 bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END);
5225 bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005226
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005227 if (CHIP_IS_E1H(bp)) {
5228 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5229 STORM_INTMEM_SIZE_E1H/2);
5230 bnx2x_init_fill(bp,
5231 TSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5232 0, STORM_INTMEM_SIZE_E1H/2);
5233 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5234 STORM_INTMEM_SIZE_E1H/2);
5235 bnx2x_init_fill(bp,
5236 CSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5237 0, STORM_INTMEM_SIZE_E1H/2);
5238 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5239 STORM_INTMEM_SIZE_E1H/2);
5240 bnx2x_init_fill(bp,
5241 XSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5242 0, STORM_INTMEM_SIZE_E1H/2);
5243 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5244 STORM_INTMEM_SIZE_E1H/2);
5245 bnx2x_init_fill(bp,
5246 USTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5247 0, STORM_INTMEM_SIZE_E1H/2);
5248 } else { /* E1 */
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005249 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5250 STORM_INTMEM_SIZE_E1);
5251 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5252 STORM_INTMEM_SIZE_E1);
5253 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5254 STORM_INTMEM_SIZE_E1);
5255 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5256 STORM_INTMEM_SIZE_E1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005257 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005258
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005259 bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END);
5260 bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END);
5261 bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END);
5262 bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005263
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005264 /* sync semi rtc */
5265 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5266 0x80000000);
5267 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5268 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005269
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005270 bnx2x_init_block(bp, UPB_COMMON_START, UPB_COMMON_END);
5271 bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END);
5272 bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005273
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005274 REG_WR(bp, SRC_REG_SOFT_RST, 1);
5275 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) {
5276 REG_WR(bp, i, 0xc0cac01a);
5277 /* TODO: replace with something meaningful */
5278 }
5279 if (CHIP_IS_E1H(bp))
5280 bnx2x_init_block(bp, SRCH_COMMON_START, SRCH_COMMON_END);
5281 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005282
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005283 if (sizeof(union cdu_context) != 1024)
5284 /* we currently assume that a context is 1024 bytes */
5285 printk(KERN_ALERT PFX "please adjust the size of"
5286 " cdu_context(%ld)\n", (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005287
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005288 bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END);
5289 val = (4 << 24) + (0 << 12) + 1024;
5290 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
5291 if (CHIP_IS_E1(bp)) {
5292 /* !!! fix pxp client crdit until excel update */
5293 REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264);
5294 REG_WR(bp, CDU_REG_CDU_DEBUG, 0);
5295 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005296
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005297 bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END);
5298 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005299
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005300 bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END);
5301 bnx2x_init_block(bp, MISC_AEU_COMMON_START, MISC_AEU_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005302
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005303 /* PXPCS COMMON comes here */
5304 /* Reset PCIE errors for debug */
5305 REG_WR(bp, 0x2814, 0xffffffff);
5306 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005307
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005308 /* EMAC0 COMMON comes here */
5309 /* EMAC1 COMMON comes here */
5310 /* DBU COMMON comes here */
5311 /* DBG COMMON comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005312
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005313 bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END);
5314 if (CHIP_IS_E1H(bp)) {
5315 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_E1HMF(bp));
5316 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_E1HMF(bp));
5317 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005318
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005319 if (CHIP_REV_IS_SLOW(bp))
5320 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005321
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005322 /* finish CFC init */
5323 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5324 if (val != 1) {
5325 BNX2X_ERR("CFC LL_INIT failed\n");
5326 return -EBUSY;
5327 }
5328 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5329 if (val != 1) {
5330 BNX2X_ERR("CFC AC_INIT failed\n");
5331 return -EBUSY;
5332 }
5333 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5334 if (val != 1) {
5335 BNX2X_ERR("CFC CAM_INIT failed\n");
5336 return -EBUSY;
5337 }
5338 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005339
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005340 /* read NIG statistic
5341 to see if this is our first up since powerup */
5342 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5343 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005344
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005345 /* do internal memory self test */
5346 if ((CHIP_IS_E1(bp)) && (val == 0) && bnx2x_int_mem_test(bp)) {
5347 BNX2X_ERR("internal mem self test failed\n");
5348 return -EBUSY;
5349 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005350
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005351 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
Eilon Greenstein7add9052008-08-25 15:20:48 -07005352 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005353 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5354 /* Fan failure is indicated by SPIO 5 */
5355 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
5356 MISC_REGISTERS_SPIO_INPUT_HI_Z);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005357
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005358 /* set to active low mode */
5359 val = REG_RD(bp, MISC_REG_SPIO_INT);
5360 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Eliezer Tamirf1410642008-02-28 11:51:50 -08005361 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005362 REG_WR(bp, MISC_REG_SPIO_INT, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005363
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005364 /* enable interrupt to signal the IGU */
5365 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
5366 val |= (1 << MISC_REGISTERS_SPIO_5);
5367 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
5368 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08005369
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005370 default:
5371 break;
5372 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08005373
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005374 /* clear PXP2 attentions */
5375 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005376
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005377 enable_blocks_attention(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005378
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005379 if (!BP_NOMCP(bp)) {
5380 bnx2x_acquire_phy_lock(bp);
5381 bnx2x_common_init_phy(bp, bp->common.shmem_base);
5382 bnx2x_release_phy_lock(bp);
5383 } else
5384 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5385
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005386 return 0;
5387}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005388
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005389static int bnx2x_init_port(struct bnx2x *bp)
5390{
5391 int port = BP_PORT(bp);
5392 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005393
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005394 DP(BNX2X_MSG_MCP, "starting port init port %x\n", port);
5395
5396 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005397
5398 /* Port PXP comes here */
5399 /* Port PXP2 comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005400#ifdef BCM_ISCSI
5401 /* Port0 1
5402 * Port1 385 */
5403 i++;
5404 wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping);
5405 wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping);
5406 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5407 REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i));
5408
5409 /* Port0 2
5410 * Port1 386 */
5411 i++;
5412 wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping);
5413 wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping);
5414 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5415 REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i));
5416
5417 /* Port0 3
5418 * Port1 387 */
5419 i++;
5420 wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping);
5421 wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping);
5422 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5423 REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i));
5424#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005425 /* Port CMs come here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005426
5427 /* Port QM comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005428#ifdef BCM_ISCSI
5429 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20);
5430 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31);
5431
5432 bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START,
5433 func ? TIMERS_PORT1_END : TIMERS_PORT0_END);
5434#endif
5435 /* Port DQ comes here */
5436 /* Port BRB1 comes here */
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005437 /* Port PRS comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005438 /* Port TSDM comes here */
5439 /* Port CSDM comes here */
5440 /* Port USDM comes here */
5441 /* Port XSDM comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005442 bnx2x_init_block(bp, port ? TSEM_PORT1_START : TSEM_PORT0_START,
5443 port ? TSEM_PORT1_END : TSEM_PORT0_END);
5444 bnx2x_init_block(bp, port ? USEM_PORT1_START : USEM_PORT0_START,
5445 port ? USEM_PORT1_END : USEM_PORT0_END);
5446 bnx2x_init_block(bp, port ? CSEM_PORT1_START : CSEM_PORT0_START,
5447 port ? CSEM_PORT1_END : CSEM_PORT0_END);
5448 bnx2x_init_block(bp, port ? XSEM_PORT1_START : XSEM_PORT0_START,
5449 port ? XSEM_PORT1_END : XSEM_PORT0_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005450 /* Port UPB comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005451 /* Port XPB comes here */
5452
5453 bnx2x_init_block(bp, port ? PBF_PORT1_START : PBF_PORT0_START,
5454 port ? PBF_PORT1_END : PBF_PORT0_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005455
5456 /* configure PBF to work without PAUSE mtu 9000 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005457 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005458
5459 /* update threshold */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005460 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005461 /* update init credit */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005462 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005463
5464 /* probe changes */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005465 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005466 msleep(5);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005467 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005468
5469#ifdef BCM_ISCSI
5470 /* tell the searcher where the T2 table is */
5471 REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64);
5472
5473 wb_write[0] = U64_LO(bp->t2_mapping);
5474 wb_write[1] = U64_HI(bp->t2_mapping);
5475 REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2);
5476 wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64);
5477 wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64);
5478 REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2);
5479
5480 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10);
5481 /* Port SRCH comes here */
5482#endif
5483 /* Port CDU comes here */
5484 /* Port CFC comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005485
5486 if (CHIP_IS_E1(bp)) {
5487 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5488 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5489 }
5490 bnx2x_init_block(bp, port ? HC_PORT1_START : HC_PORT0_START,
5491 port ? HC_PORT1_END : HC_PORT0_END);
5492
5493 bnx2x_init_block(bp, port ? MISC_AEU_PORT1_START :
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005494 MISC_AEU_PORT0_START,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005495 port ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END);
5496 /* init aeu_mask_attn_func_0/1:
5497 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5498 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5499 * bits 4-7 are used for "per vn group attention" */
5500 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4,
5501 (IS_E1HMF(bp) ? 0xF7 : 0x7));
5502
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005503 /* Port PXPCS comes here */
5504 /* Port EMAC0 comes here */
5505 /* Port EMAC1 comes here */
5506 /* Port DBU comes here */
5507 /* Port DBG comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005508 bnx2x_init_block(bp, port ? NIG_PORT1_START : NIG_PORT0_START,
5509 port ? NIG_PORT1_END : NIG_PORT0_END);
5510
5511 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5512
5513 if (CHIP_IS_E1H(bp)) {
5514 u32 wsum;
5515 struct cmng_struct_per_port m_cmng_port;
5516 int vn;
5517
5518 /* 0x2 disable e1hov, 0x1 enable */
5519 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
5520 (IS_E1HMF(bp) ? 0x1 : 0x2));
5521
5522 /* Init RATE SHAPING and FAIRNESS contexts.
5523 Initialize as if there is 10G link. */
5524 wsum = bnx2x_calc_vn_wsum(bp);
5525 bnx2x_init_port_minmax(bp, (int)wsum, 10000, &m_cmng_port);
5526 if (IS_E1HMF(bp))
5527 for (vn = VN_0; vn < E1HVN_MAX; vn++)
5528 bnx2x_init_vn_minmax(bp, 2*vn + port,
5529 wsum, 10000, &m_cmng_port);
5530 }
5531
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005532 /* Port MCP comes here */
5533 /* Port DMAE comes here */
5534
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005535 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
Eilon Greenstein7add9052008-08-25 15:20:48 -07005536 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
Eliezer Tamirf1410642008-02-28 11:51:50 -08005537 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5538 /* add SPIO 5 to group 0 */
5539 val = REG_RD(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5540 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
5541 REG_WR(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0, val);
5542 break;
5543
5544 default:
5545 break;
5546 }
5547
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07005548 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005549
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005550 return 0;
5551}
5552
5553#define ILT_PER_FUNC (768/2)
5554#define FUNC_ILT_BASE(func) (func * ILT_PER_FUNC)
5555/* the phys address is shifted right 12 bits and has an added
5556 1=valid bit added to the 53rd bit
5557 then since this is a wide register(TM)
5558 we split it into two 32 bit writes
5559 */
5560#define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF))
5561#define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44)))
5562#define PXP_ONE_ILT(x) (((x) << 10) | x)
5563#define PXP_ILT_RANGE(f, l) (((l) << 10) | f)
5564
5565#define CNIC_ILT_LINES 0
5566
5567static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5568{
5569 int reg;
5570
5571 if (CHIP_IS_E1H(bp))
5572 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5573 else /* E1 */
5574 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
5575
5576 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5577}
5578
5579static int bnx2x_init_func(struct bnx2x *bp)
5580{
5581 int port = BP_PORT(bp);
5582 int func = BP_FUNC(bp);
5583 int i;
5584
5585 DP(BNX2X_MSG_MCP, "starting func init func %x\n", func);
5586
5587 i = FUNC_ILT_BASE(func);
5588
5589 bnx2x_ilt_wr(bp, i, bnx2x_sp_mapping(bp, context));
5590 if (CHIP_IS_E1H(bp)) {
5591 REG_WR(bp, PXP2_REG_RQ_CDU_FIRST_ILT, i);
5592 REG_WR(bp, PXP2_REG_RQ_CDU_LAST_ILT, i + CNIC_ILT_LINES);
5593 } else /* E1 */
5594 REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4,
5595 PXP_ILT_RANGE(i, i + CNIC_ILT_LINES));
5596
5597
5598 if (CHIP_IS_E1H(bp)) {
5599 for (i = 0; i < 9; i++)
5600 bnx2x_init_block(bp,
5601 cm_start[func][i], cm_end[func][i]);
5602
5603 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
5604 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->e1hov);
5605 }
5606
5607 /* HC init per function */
5608 if (CHIP_IS_E1H(bp)) {
5609 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5610
5611 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5612 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5613 }
5614 bnx2x_init_block(bp, hc_limits[func][0], hc_limits[func][1]);
5615
5616 if (CHIP_IS_E1H(bp))
5617 REG_WR(bp, HC_REG_FUNC_NUM_P0 + port*4, func);
5618
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005619 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005620 REG_WR(bp, 0x2114, 0xffffffff);
5621 REG_WR(bp, 0x2120, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005622
5623 return 0;
5624}
5625
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005626static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5627{
5628 int i, rc = 0;
5629
5630 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
5631 BP_FUNC(bp), load_code);
5632
5633 bp->dmae_ready = 0;
5634 mutex_init(&bp->dmae_mutex);
5635 bnx2x_gunzip_init(bp);
5636
5637 switch (load_code) {
5638 case FW_MSG_CODE_DRV_LOAD_COMMON:
5639 rc = bnx2x_init_common(bp);
5640 if (rc)
5641 goto init_hw_err;
5642 /* no break */
5643
5644 case FW_MSG_CODE_DRV_LOAD_PORT:
5645 bp->dmae_ready = 1;
5646 rc = bnx2x_init_port(bp);
5647 if (rc)
5648 goto init_hw_err;
5649 /* no break */
5650
5651 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5652 bp->dmae_ready = 1;
5653 rc = bnx2x_init_func(bp);
5654 if (rc)
5655 goto init_hw_err;
5656 break;
5657
5658 default:
5659 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5660 break;
5661 }
5662
5663 if (!BP_NOMCP(bp)) {
5664 int func = BP_FUNC(bp);
5665
5666 bp->fw_drv_pulse_wr_seq =
5667 (SHMEM_RD(bp, func_mb[func].drv_pulse_mb) &
5668 DRV_PULSE_SEQ_MASK);
5669 bp->func_stx = SHMEM_RD(bp, func_mb[func].fw_mb_param);
5670 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x func_stx 0x%x\n",
5671 bp->fw_drv_pulse_wr_seq, bp->func_stx);
5672 } else
5673 bp->func_stx = 0;
5674
5675 /* this needs to be done before gunzip end */
5676 bnx2x_zero_def_sb(bp);
5677 for_each_queue(bp, i)
5678 bnx2x_zero_sb(bp, BP_L_ID(bp) + i);
5679
5680init_hw_err:
5681 bnx2x_gunzip_end(bp);
5682
5683 return rc;
5684}
5685
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005686/* send the MCP a request, block until there is a reply */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005687static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
5688{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005689 int func = BP_FUNC(bp);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005690 u32 seq = ++bp->fw_seq;
5691 u32 rc = 0;
Eilon Greenstein19680c42008-08-13 15:47:33 -07005692 u32 cnt = 1;
5693 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005694
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005695 SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq));
Eliezer Tamirf1410642008-02-28 11:51:50 -08005696 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005697
Eilon Greenstein19680c42008-08-13 15:47:33 -07005698 do {
5699 /* let the FW do it's magic ... */
5700 msleep(delay);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005701
Eilon Greenstein19680c42008-08-13 15:47:33 -07005702 rc = SHMEM_RD(bp, func_mb[func].fw_mb_header);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005703
Eilon Greenstein19680c42008-08-13 15:47:33 -07005704 /* Give the FW up to 2 second (200*10ms) */
5705 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 200));
5706
5707 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
5708 cnt*delay, rc, seq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005709
5710 /* is this a reply to our command? */
5711 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) {
5712 rc &= FW_MSG_CODE_MASK;
Eliezer Tamirf1410642008-02-28 11:51:50 -08005713
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005714 } else {
5715 /* FW BUG! */
5716 BNX2X_ERR("FW failed to respond!\n");
5717 bnx2x_fw_dump(bp);
5718 rc = 0;
5719 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08005720
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005721 return rc;
5722}
5723
5724static void bnx2x_free_mem(struct bnx2x *bp)
5725{
5726
5727#define BNX2X_PCI_FREE(x, y, size) \
5728 do { \
5729 if (x) { \
5730 pci_free_consistent(bp->pdev, size, x, y); \
5731 x = NULL; \
5732 y = 0; \
5733 } \
5734 } while (0)
5735
5736#define BNX2X_FREE(x) \
5737 do { \
5738 if (x) { \
5739 vfree(x); \
5740 x = NULL; \
5741 } \
5742 } while (0)
5743
5744 int i;
5745
5746 /* fastpath */
5747 for_each_queue(bp, i) {
5748
5749 /* Status blocks */
5750 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk),
5751 bnx2x_fp(bp, i, status_blk_mapping),
5752 sizeof(struct host_status_block) +
5753 sizeof(struct eth_tx_db_data));
5754
5755 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5756 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
5757 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
5758 bnx2x_fp(bp, i, tx_desc_mapping),
5759 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5760
5761 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5762 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5763 bnx2x_fp(bp, i, rx_desc_mapping),
5764 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5765
5766 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5767 bnx2x_fp(bp, i, rx_comp_mapping),
5768 sizeof(struct eth_fast_path_rx_cqe) *
5769 NUM_RCQ_BD);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005770
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005771 /* SGE ring */
Eilon Greenstein32626232008-08-13 15:51:07 -07005772 BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005773 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5774 bnx2x_fp(bp, i, rx_sge_mapping),
5775 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5776 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005777 /* end of fastpath */
5778
5779 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005780 sizeof(struct host_def_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005781
5782 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005783 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005784
5785#ifdef BCM_ISCSI
5786 BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024);
5787 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024);
5788 BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024);
5789 BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024);
5790#endif
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005791 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005792
5793#undef BNX2X_PCI_FREE
5794#undef BNX2X_KFREE
5795}
5796
5797static int bnx2x_alloc_mem(struct bnx2x *bp)
5798{
5799
5800#define BNX2X_PCI_ALLOC(x, y, size) \
5801 do { \
5802 x = pci_alloc_consistent(bp->pdev, size, y); \
5803 if (x == NULL) \
5804 goto alloc_mem_err; \
5805 memset(x, 0, size); \
5806 } while (0)
5807
5808#define BNX2X_ALLOC(x, size) \
5809 do { \
5810 x = vmalloc(size); \
5811 if (x == NULL) \
5812 goto alloc_mem_err; \
5813 memset(x, 0, size); \
5814 } while (0)
5815
5816 int i;
5817
5818 /* fastpath */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005819 for_each_queue(bp, i) {
5820 bnx2x_fp(bp, i, bp) = bp;
5821
5822 /* Status blocks */
5823 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk),
5824 &bnx2x_fp(bp, i, status_blk_mapping),
5825 sizeof(struct host_status_block) +
5826 sizeof(struct eth_tx_db_data));
5827
5828 bnx2x_fp(bp, i, hw_tx_prods) =
5829 (void *)(bnx2x_fp(bp, i, status_blk) + 1);
5830
5831 bnx2x_fp(bp, i, tx_prods_mapping) =
5832 bnx2x_fp(bp, i, status_blk_mapping) +
5833 sizeof(struct host_status_block);
5834
5835 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5836 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
5837 sizeof(struct sw_tx_bd) * NUM_TX_BD);
5838 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
5839 &bnx2x_fp(bp, i, tx_desc_mapping),
5840 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5841
5842 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
5843 sizeof(struct sw_rx_bd) * NUM_RX_BD);
5844 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
5845 &bnx2x_fp(bp, i, rx_desc_mapping),
5846 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5847
5848 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
5849 &bnx2x_fp(bp, i, rx_comp_mapping),
5850 sizeof(struct eth_fast_path_rx_cqe) *
5851 NUM_RCQ_BD);
5852
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005853 /* SGE ring */
5854 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
5855 sizeof(struct sw_rx_page) * NUM_RX_SGE);
5856 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
5857 &bnx2x_fp(bp, i, rx_sge_mapping),
5858 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005859 }
5860 /* end of fastpath */
5861
5862 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
5863 sizeof(struct host_def_status_block));
5864
5865 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5866 sizeof(struct bnx2x_slowpath));
5867
5868#ifdef BCM_ISCSI
5869 BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024);
5870
5871 /* Initialize T1 */
5872 for (i = 0; i < 64*1024; i += 64) {
5873 *(u64 *)((char *)bp->t1 + i + 56) = 0x0UL;
5874 *(u64 *)((char *)bp->t1 + i + 3) = 0x0UL;
5875 }
5876
5877 /* allocate searcher T2 table
5878 we allocate 1/4 of alloc num for T2
5879 (which is not entered into the ILT) */
5880 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024);
5881
5882 /* Initialize T2 */
5883 for (i = 0; i < 16*1024; i += 64)
5884 * (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64;
5885
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005886 /* now fixup the last line in the block to point to the next block */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005887 *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping;
5888
5889 /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */
5890 BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024);
5891
5892 /* QM queues (128*MAX_CONN) */
5893 BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024);
5894#endif
5895
5896 /* Slow path ring */
5897 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5898
5899 return 0;
5900
5901alloc_mem_err:
5902 bnx2x_free_mem(bp);
5903 return -ENOMEM;
5904
5905#undef BNX2X_PCI_ALLOC
5906#undef BNX2X_ALLOC
5907}
5908
5909static void bnx2x_free_tx_skbs(struct bnx2x *bp)
5910{
5911 int i;
5912
5913 for_each_queue(bp, i) {
5914 struct bnx2x_fastpath *fp = &bp->fp[i];
5915
5916 u16 bd_cons = fp->tx_bd_cons;
5917 u16 sw_prod = fp->tx_pkt_prod;
5918 u16 sw_cons = fp->tx_pkt_cons;
5919
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005920 while (sw_cons != sw_prod) {
5921 bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons));
5922 sw_cons++;
5923 }
5924 }
5925}
5926
5927static void bnx2x_free_rx_skbs(struct bnx2x *bp)
5928{
5929 int i, j;
5930
5931 for_each_queue(bp, j) {
5932 struct bnx2x_fastpath *fp = &bp->fp[j];
5933
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005934 for (i = 0; i < NUM_RX_BD; i++) {
5935 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i];
5936 struct sk_buff *skb = rx_buf->skb;
5937
5938 if (skb == NULL)
5939 continue;
5940
5941 pci_unmap_single(bp->pdev,
5942 pci_unmap_addr(rx_buf, mapping),
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07005943 bp->rx_buf_size,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005944 PCI_DMA_FROMDEVICE);
5945
5946 rx_buf->skb = NULL;
5947 dev_kfree_skb(skb);
5948 }
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005949 if (!fp->disable_tpa)
Eilon Greenstein32626232008-08-13 15:51:07 -07005950 bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ?
5951 ETH_MAX_AGGREGATION_QUEUES_E1 :
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005952 ETH_MAX_AGGREGATION_QUEUES_E1H);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005953 }
5954}
5955
5956static void bnx2x_free_skbs(struct bnx2x *bp)
5957{
5958 bnx2x_free_tx_skbs(bp);
5959 bnx2x_free_rx_skbs(bp);
5960}
5961
5962static void bnx2x_free_msix_irqs(struct bnx2x *bp)
5963{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005964 int i, offset = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005965
5966 free_irq(bp->msix_table[0].vector, bp->dev);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005967 DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005968 bp->msix_table[0].vector);
5969
5970 for_each_queue(bp, i) {
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005971 DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq "
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005972 "state %x\n", i, bp->msix_table[i + offset].vector,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005973 bnx2x_fp(bp, i, state));
5974
Eliezer Tamir228241e2008-02-28 11:56:57 -08005975 if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED)
5976 BNX2X_ERR("IRQ of fp #%d being freed while "
5977 "state != closed\n", i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005978
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005979 free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005980 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005981}
5982
5983static void bnx2x_free_irq(struct bnx2x *bp)
5984{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005985 if (bp->flags & USING_MSIX_FLAG) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005986 bnx2x_free_msix_irqs(bp);
5987 pci_disable_msix(bp->pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005988 bp->flags &= ~USING_MSIX_FLAG;
5989
5990 } else
5991 free_irq(bp->pdev->irq, bp->dev);
5992}
5993
5994static int bnx2x_enable_msix(struct bnx2x *bp)
5995{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005996 int i, rc, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005997
5998 bp->msix_table[0].entry = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005999 offset = 1;
6000 DP(NETIF_MSG_IFUP, "msix_table[0].entry = 0 (slowpath)\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006001
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006002 for_each_queue(bp, i) {
6003 int igu_vec = offset + i + BP_L_ID(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006004
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006005 bp->msix_table[i + offset].entry = igu_vec;
6006 DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d "
6007 "(fastpath #%u)\n", i + offset, igu_vec, i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006008 }
6009
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006010 rc = pci_enable_msix(bp->pdev, &bp->msix_table[0],
6011 bp->num_queues + offset);
6012 if (rc) {
6013 DP(NETIF_MSG_IFUP, "MSI-X is not attainable\n");
6014 return -1;
6015 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006016 bp->flags |= USING_MSIX_FLAG;
6017
6018 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006019}
6020
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006021static int bnx2x_req_msix_irqs(struct bnx2x *bp)
6022{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006023 int i, rc, offset = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006024
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006025 rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0,
6026 bp->dev->name, bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006027 if (rc) {
6028 BNX2X_ERR("request sp irq failed\n");
6029 return -EBUSY;
6030 }
6031
6032 for_each_queue(bp, i) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006033 rc = request_irq(bp->msix_table[i + offset].vector,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006034 bnx2x_msix_fp_int, 0,
6035 bp->dev->name, &bp->fp[i]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006036 if (rc) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07006037 BNX2X_ERR("request fp #%d irq failed rc -%d\n",
6038 i + offset, -rc);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006039 bnx2x_free_msix_irqs(bp);
6040 return -EBUSY;
6041 }
6042
6043 bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006044 }
6045
6046 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006047}
6048
6049static int bnx2x_req_irq(struct bnx2x *bp)
6050{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006051 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006052
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006053 rc = request_irq(bp->pdev->irq, bnx2x_interrupt, IRQF_SHARED,
6054 bp->dev->name, bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006055 if (!rc)
6056 bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ;
6057
6058 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006059}
6060
Yitchak Gertner65abd742008-08-25 15:26:24 -07006061static void bnx2x_napi_enable(struct bnx2x *bp)
6062{
6063 int i;
6064
6065 for_each_queue(bp, i)
6066 napi_enable(&bnx2x_fp(bp, i, napi));
6067}
6068
6069static void bnx2x_napi_disable(struct bnx2x *bp)
6070{
6071 int i;
6072
6073 for_each_queue(bp, i)
6074 napi_disable(&bnx2x_fp(bp, i, napi));
6075}
6076
6077static void bnx2x_netif_start(struct bnx2x *bp)
6078{
6079 if (atomic_dec_and_test(&bp->intr_sem)) {
6080 if (netif_running(bp->dev)) {
6081 if (bp->state == BNX2X_STATE_OPEN)
6082 netif_wake_queue(bp->dev);
6083 bnx2x_napi_enable(bp);
6084 bnx2x_int_enable(bp);
6085 }
6086 }
6087}
6088
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07006089static void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw)
Yitchak Gertner65abd742008-08-25 15:26:24 -07006090{
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07006091 bnx2x_int_disable_sync(bp, disable_hw);
Yitchak Gertner65abd742008-08-25 15:26:24 -07006092 if (netif_running(bp->dev)) {
6093 bnx2x_napi_disable(bp);
6094 netif_tx_disable(bp->dev);
6095 bp->dev->trans_start = jiffies; /* prevent tx timeout */
6096 }
6097}
6098
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006099/*
6100 * Init service functions
6101 */
6102
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006103static void bnx2x_set_mac_addr_e1(struct bnx2x *bp, int set)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006104{
6105 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006106 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006107
6108 /* CAM allocation
6109 * unicasts 0-31:port0 32-63:port1
6110 * multicast 64-127:port0 128-191:port1
6111 */
6112 config->hdr.length_6b = 2;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006113 config->hdr.offset = port ? 31 : 0;
6114 config->hdr.client_id = BP_CL_ID(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006115 config->hdr.reserved1 = 0;
6116
6117 /* primary MAC */
6118 config->config_table[0].cam_entry.msb_mac_addr =
6119 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6120 config->config_table[0].cam_entry.middle_mac_addr =
6121 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6122 config->config_table[0].cam_entry.lsb_mac_addr =
6123 swab16(*(u16 *)&bp->dev->dev_addr[4]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006124 config->config_table[0].cam_entry.flags = cpu_to_le16(port);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006125 if (set)
6126 config->config_table[0].target_table_entry.flags = 0;
6127 else
6128 CAM_INVALIDATE(config->config_table[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006129 config->config_table[0].target_table_entry.client_id = 0;
6130 config->config_table[0].target_table_entry.vlan_id = 0;
6131
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006132 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)\n",
6133 (set ? "setting" : "clearing"),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006134 config->config_table[0].cam_entry.msb_mac_addr,
6135 config->config_table[0].cam_entry.middle_mac_addr,
6136 config->config_table[0].cam_entry.lsb_mac_addr);
6137
6138 /* broadcast */
6139 config->config_table[1].cam_entry.msb_mac_addr = 0xffff;
6140 config->config_table[1].cam_entry.middle_mac_addr = 0xffff;
6141 config->config_table[1].cam_entry.lsb_mac_addr = 0xffff;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006142 config->config_table[1].cam_entry.flags = cpu_to_le16(port);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006143 if (set)
6144 config->config_table[1].target_table_entry.flags =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006145 TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST;
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006146 else
6147 CAM_INVALIDATE(config->config_table[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006148 config->config_table[1].target_table_entry.client_id = 0;
6149 config->config_table[1].target_table_entry.vlan_id = 0;
6150
6151 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6152 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6153 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6154}
6155
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006156static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp, int set)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006157{
6158 struct mac_configuration_cmd_e1h *config =
6159 (struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config);
6160
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006161 if (set && (bp->state != BNX2X_STATE_OPEN)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006162 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
6163 return;
6164 }
6165
6166 /* CAM allocation for E1H
6167 * unicasts: by func number
6168 * multicast: 20+FUNC*20, 20 each
6169 */
6170 config->hdr.length_6b = 1;
6171 config->hdr.offset = BP_FUNC(bp);
6172 config->hdr.client_id = BP_CL_ID(bp);
6173 config->hdr.reserved1 = 0;
6174
6175 /* primary MAC */
6176 config->config_table[0].msb_mac_addr =
6177 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6178 config->config_table[0].middle_mac_addr =
6179 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6180 config->config_table[0].lsb_mac_addr =
6181 swab16(*(u16 *)&bp->dev->dev_addr[4]);
6182 config->config_table[0].client_id = BP_L_ID(bp);
6183 config->config_table[0].vlan_id = 0;
6184 config->config_table[0].e1hov_id = cpu_to_le16(bp->e1hov);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006185 if (set)
6186 config->config_table[0].flags = BP_PORT(bp);
6187 else
6188 config->config_table[0].flags =
6189 MAC_CONFIGURATION_ENTRY_E1H_ACTION_TYPE;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006190
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006191 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) E1HOV %d CLID %d\n",
6192 (set ? "setting" : "clearing"),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006193 config->config_table[0].msb_mac_addr,
6194 config->config_table[0].middle_mac_addr,
6195 config->config_table[0].lsb_mac_addr, bp->e1hov, BP_L_ID(bp));
6196
6197 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6198 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6199 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6200}
6201
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006202static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6203 int *state_p, int poll)
6204{
6205 /* can take a while if any port is running */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006206 int cnt = 500;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006207
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006208 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6209 poll ? "polling" : "waiting", state, idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006210
6211 might_sleep();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006212 while (cnt--) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006213 if (poll) {
6214 bnx2x_rx_int(bp->fp, 10);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006215 /* if index is different from 0
6216 * the reply for some commands will
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006217 * be on the non default queue
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006218 */
6219 if (idx)
6220 bnx2x_rx_int(&bp->fp[idx], 10);
6221 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006222
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006223 mb(); /* state is changed by bnx2x_sp_event() */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006224 if (*state_p == state)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006225 return 0;
6226
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006227 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006228 }
6229
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006230 /* timeout! */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006231 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6232 poll ? "polling" : "waiting", state, idx);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006233#ifdef BNX2X_STOP_ON_ERROR
6234 bnx2x_panic();
6235#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006236
Eliezer Tamir49d66772008-02-28 11:53:13 -08006237 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006238}
6239
6240static int bnx2x_setup_leading(struct bnx2x *bp)
6241{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006242 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006243
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006244 /* reset IGU state */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006245 bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006246
6247 /* SETUP ramrod */
6248 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0);
6249
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006250 /* Wait for completion */
6251 rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006252
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006253 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006254}
6255
6256static int bnx2x_setup_multi(struct bnx2x *bp, int index)
6257{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006258 /* reset IGU state */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006259 bnx2x_ack_sb(bp, bp->fp[index].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006260
Eliezer Tamir228241e2008-02-28 11:56:57 -08006261 /* SETUP ramrod */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006262 bp->fp[index].state = BNX2X_FP_STATE_OPENING;
6263 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0);
6264
6265 /* Wait for completion */
6266 return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index,
Eliezer Tamir228241e2008-02-28 11:56:57 -08006267 &(bp->fp[index].state), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006268}
6269
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006270static int bnx2x_poll(struct napi_struct *napi, int budget);
6271static void bnx2x_set_rx_mode(struct net_device *dev);
6272
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006273/* must be called with rtnl_lock */
6274static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006275{
Eliezer Tamir228241e2008-02-28 11:56:57 -08006276 u32 load_code;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006277 int i, rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006278#ifdef BNX2X_STOP_ON_ERROR
6279 if (unlikely(bp->panic))
6280 return -EPERM;
6281#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006282
6283 bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;
6284
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006285 /* Send LOAD_REQUEST command to MCP
6286 Returns the type of LOAD command:
6287 if it is the first port to be initialized
6288 common blocks should be initialized, otherwise - not
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006289 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006290 if (!BP_NOMCP(bp)) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08006291 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ);
6292 if (!load_code) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006293 BNX2X_ERR("MCP response failure, aborting\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08006294 return -EBUSY;
6295 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006296 if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006297 return -EBUSY; /* other port in diagnostic mode */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006298
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006299 } else {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006300 int port = BP_PORT(bp);
6301
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006302 DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n",
6303 load_count[0], load_count[1], load_count[2]);
6304 load_count[0]++;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006305 load_count[1 + port]++;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006306 DP(NETIF_MSG_IFUP, "NO MCP new load counts %d, %d, %d\n",
6307 load_count[0], load_count[1], load_count[2]);
6308 if (load_count[0] == 1)
6309 load_code = FW_MSG_CODE_DRV_LOAD_COMMON;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006310 else if (load_count[1 + port] == 1)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006311 load_code = FW_MSG_CODE_DRV_LOAD_PORT;
6312 else
6313 load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006314 }
6315
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006316 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) ||
6317 (load_code == FW_MSG_CODE_DRV_LOAD_PORT))
6318 bp->port.pmf = 1;
6319 else
6320 bp->port.pmf = 0;
6321 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
6322
6323 /* if we can't use MSI-X we only need one fp,
6324 * so try to enable MSI-X with the requested number of fp's
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006325 * and fallback to inta with one fp
6326 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006327 if (use_inta) {
6328 bp->num_queues = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006329
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006330 } else {
6331 if ((use_multi > 1) && (use_multi <= BP_MAX_QUEUES(bp)))
6332 /* user requested number */
6333 bp->num_queues = use_multi;
6334
6335 else if (use_multi)
6336 bp->num_queues = min_t(u32, num_online_cpus(),
6337 BP_MAX_QUEUES(bp));
6338 else
6339 bp->num_queues = 1;
6340
6341 if (bnx2x_enable_msix(bp)) {
6342 /* failed to enable MSI-X */
6343 bp->num_queues = 1;
6344 if (use_multi)
6345 BNX2X_ERR("Multi requested but failed"
6346 " to enable MSI-X\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006347 }
6348 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006349 DP(NETIF_MSG_IFUP,
6350 "set number of queues to %d\n", bp->num_queues);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006351
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006352 if (bnx2x_alloc_mem(bp))
6353 return -ENOMEM;
6354
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006355 for_each_queue(bp, i)
6356 bnx2x_fp(bp, i, disable_tpa) =
6357 ((bp->flags & TPA_ENABLE_FLAG) == 0);
6358
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006359 if (bp->flags & USING_MSIX_FLAG) {
6360 rc = bnx2x_req_msix_irqs(bp);
6361 if (rc) {
6362 pci_disable_msix(bp->pdev);
6363 goto load_error;
6364 }
6365 } else {
6366 bnx2x_ack_int(bp);
6367 rc = bnx2x_req_irq(bp);
6368 if (rc) {
6369 BNX2X_ERR("IRQ request failed, aborting\n");
6370 goto load_error;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006371 }
6372 }
6373
6374 for_each_queue(bp, i)
6375 netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
6376 bnx2x_poll, 128);
6377
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006378 /* Initialize HW */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006379 rc = bnx2x_init_hw(bp, load_code);
6380 if (rc) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006381 BNX2X_ERR("HW init failed, aborting\n");
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006382 goto load_int_disable;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006383 }
6384
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006385 /* Setup NIC internals and enable interrupts */
Eilon Greenstein471de712008-08-13 15:49:35 -07006386 bnx2x_nic_init(bp, load_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006387
6388 /* Send LOAD_DONE command to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006389 if (!BP_NOMCP(bp)) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08006390 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE);
6391 if (!load_code) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006392 BNX2X_ERR("MCP response failure, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006393 rc = -EBUSY;
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006394 goto load_rings_free;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006395 }
6396 }
6397
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07006398 bnx2x_stats_init(bp);
6399
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006400 bp->state = BNX2X_STATE_OPENING_WAIT4_PORT;
6401
6402 /* Enable Rx interrupt handling before sending the ramrod
6403 as it's completed on Rx FP queue */
Yitchak Gertner65abd742008-08-25 15:26:24 -07006404 bnx2x_napi_enable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006405
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006406 /* Enable interrupt handling */
6407 atomic_set(&bp->intr_sem, 0);
6408
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006409 rc = bnx2x_setup_leading(bp);
6410 if (rc) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006411 BNX2X_ERR("Setup leading failed!\n");
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006412 goto load_netif_stop;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006413 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006414
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006415 if (CHIP_IS_E1H(bp))
6416 if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) {
6417 BNX2X_ERR("!!! mf_cfg function disabled\n");
6418 bp->state = BNX2X_STATE_DISABLED;
6419 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006420
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006421 if (bp->state == BNX2X_STATE_OPEN)
6422 for_each_nondefault_queue(bp, i) {
6423 rc = bnx2x_setup_multi(bp, i);
6424 if (rc)
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006425 goto load_netif_stop;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006426 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006427
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006428 if (CHIP_IS_E1(bp))
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006429 bnx2x_set_mac_addr_e1(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006430 else
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006431 bnx2x_set_mac_addr_e1h(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006432
6433 if (bp->port.pmf)
6434 bnx2x_initial_phy_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006435
6436 /* Start fast path */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006437 switch (load_mode) {
6438 case LOAD_NORMAL:
6439 /* Tx queue should be only reenabled */
6440 netif_wake_queue(bp->dev);
6441 bnx2x_set_rx_mode(bp->dev);
6442 break;
6443
6444 case LOAD_OPEN:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006445 netif_start_queue(bp->dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006446 bnx2x_set_rx_mode(bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006447 if (bp->flags & USING_MSIX_FLAG)
6448 printk(KERN_INFO PFX "%s: using MSI-X\n",
6449 bp->dev->name);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006450 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006451
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006452 case LOAD_DIAG:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006453 bnx2x_set_rx_mode(bp->dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006454 bp->state = BNX2X_STATE_DIAG;
6455 break;
6456
6457 default:
6458 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006459 }
6460
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006461 if (!bp->port.pmf)
6462 bnx2x__link_status_update(bp);
6463
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006464 /* start the timer */
6465 mod_timer(&bp->timer, jiffies + bp->current_interval);
6466
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006467
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006468 return 0;
6469
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006470load_netif_stop:
Yitchak Gertner65abd742008-08-25 15:26:24 -07006471 bnx2x_napi_disable(bp);
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006472load_rings_free:
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006473 /* Free SKBs, SGEs, TPA pool and driver internals */
6474 bnx2x_free_skbs(bp);
6475 for_each_queue(bp, i)
Eilon Greenstein3196a882008-08-13 15:58:49 -07006476 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006477load_int_disable:
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07006478 bnx2x_int_disable_sync(bp, 1);
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006479 /* Release IRQs */
6480 bnx2x_free_irq(bp);
Eliezer Tamir228241e2008-02-28 11:56:57 -08006481load_error:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006482 bnx2x_free_mem(bp);
Eilon Greenstein9a035442008-11-03 16:45:55 -08006483 bp->port.pmf = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006484
6485 /* TBD we really need to reset the chip
6486 if we want to recover from this */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006487 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006488}
6489
6490static int bnx2x_stop_multi(struct bnx2x *bp, int index)
6491{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006492 int rc;
6493
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006494 /* halt the connection */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006495 bp->fp[index].state = BNX2X_FP_STATE_HALTING;
Yitchak Gertner231fd582008-08-25 15:27:06 -07006496 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, index, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006497
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006498 /* Wait for completion */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006499 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006500 &(bp->fp[index].state), 1);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006501 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006502 return rc;
6503
6504 /* delete cfc entry */
6505 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1);
6506
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006507 /* Wait for completion */
6508 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index,
6509 &(bp->fp[index].state), 1);
6510 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006511}
6512
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006513static int bnx2x_stop_leading(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006514{
Eliezer Tamir49d66772008-02-28 11:53:13 -08006515 u16 dsb_sp_prod_idx;
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006516 /* if the other port is handling traffic,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006517 this can take a lot of time */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006518 int cnt = 500;
6519 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006520
6521 might_sleep();
6522
6523 /* Send HALT ramrod */
6524 bp->fp[0].state = BNX2X_FP_STATE_HALTING;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006525 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, BP_CL_ID(bp), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006526
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006527 /* Wait for completion */
6528 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0,
6529 &(bp->fp[0].state), 1);
6530 if (rc) /* timeout */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006531 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006532
Eliezer Tamir49d66772008-02-28 11:53:13 -08006533 dsb_sp_prod_idx = *bp->dsb_sp_prod;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006534
Eliezer Tamir228241e2008-02-28 11:56:57 -08006535 /* Send PORT_DELETE ramrod */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006536 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1);
6537
Eliezer Tamir49d66772008-02-28 11:53:13 -08006538 /* Wait for completion to arrive on default status block
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006539 we are going to reset the chip anyway
6540 so there is not much to do if this times out
6541 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006542 while (dsb_sp_prod_idx == *bp->dsb_sp_prod) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006543 if (!cnt) {
6544 DP(NETIF_MSG_IFDOWN, "timeout waiting for port del "
6545 "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n",
6546 *bp->dsb_sp_prod, dsb_sp_prod_idx);
6547#ifdef BNX2X_STOP_ON_ERROR
6548 bnx2x_panic();
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006549#else
6550 rc = -EBUSY;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006551#endif
6552 break;
6553 }
6554 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006555 msleep(1);
Eliezer Tamir49d66772008-02-28 11:53:13 -08006556 }
6557 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
6558 bp->fp[0].state = BNX2X_FP_STATE_CLOSED;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006559
6560 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006561}
6562
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006563static void bnx2x_reset_func(struct bnx2x *bp)
6564{
6565 int port = BP_PORT(bp);
6566 int func = BP_FUNC(bp);
6567 int base, i;
Eliezer Tamir49d66772008-02-28 11:53:13 -08006568
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006569 /* Configure IGU */
6570 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6571 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6572
6573 REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000);
6574
6575 /* Clear ILT */
6576 base = FUNC_ILT_BASE(func);
6577 for (i = base; i < base + ILT_PER_FUNC; i++)
6578 bnx2x_ilt_wr(bp, i, 0);
6579}
6580
6581static void bnx2x_reset_port(struct bnx2x *bp)
6582{
6583 int port = BP_PORT(bp);
6584 u32 val;
6585
6586 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6587
6588 /* Do not rcv packets to BRB */
6589 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6590 /* Do not direct rcv packets that are not for MCP to the BRB */
6591 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6592 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6593
6594 /* Configure AEU */
6595 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6596
6597 msleep(100);
6598 /* Check for BRB port occupancy */
6599 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6600 if (val)
6601 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07006602 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006603
6604 /* TODO: Close Doorbell port? */
6605}
6606
6607static void bnx2x_reset_common(struct bnx2x *bp)
6608{
6609 /* reset_common */
6610 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6611 0xd3ffff7f);
6612 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
6613}
6614
6615static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6616{
6617 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
6618 BP_FUNC(bp), reset_code);
6619
6620 switch (reset_code) {
6621 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
6622 bnx2x_reset_port(bp);
6623 bnx2x_reset_func(bp);
6624 bnx2x_reset_common(bp);
6625 break;
6626
6627 case FW_MSG_CODE_DRV_UNLOAD_PORT:
6628 bnx2x_reset_port(bp);
6629 bnx2x_reset_func(bp);
6630 break;
6631
6632 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
6633 bnx2x_reset_func(bp);
6634 break;
6635
6636 default:
6637 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
6638 break;
6639 }
6640}
6641
Eilon Greenstein33471622008-08-13 15:59:08 -07006642/* must be called with rtnl_lock */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006643static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006644{
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006645 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006646 u32 reset_code = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006647 int i, cnt, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006648
6649 bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;
6650
Eliezer Tamir228241e2008-02-28 11:56:57 -08006651 bp->rx_mode = BNX2X_RX_MODE_NONE;
6652 bnx2x_set_storm_rx_mode(bp);
6653
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07006654 bnx2x_netif_stop(bp, 1);
Yitchak Gertner65abd742008-08-25 15:26:24 -07006655 if (!netif_running(bp->dev))
6656 bnx2x_napi_disable(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006657 del_timer_sync(&bp->timer);
6658 SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb,
6659 (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq));
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07006660 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006661
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006662 /* Wait until tx fast path tasks complete */
Eliezer Tamir228241e2008-02-28 11:56:57 -08006663 for_each_queue(bp, i) {
6664 struct bnx2x_fastpath *fp = &bp->fp[i];
6665
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006666 cnt = 1000;
6667 smp_rmb();
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006668 while (BNX2X_HAS_TX_WORK(fp)) {
6669
Yitchak Gertner65abd742008-08-25 15:26:24 -07006670 bnx2x_tx_int(fp, 1000);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006671 if (!cnt) {
6672 BNX2X_ERR("timeout waiting for queue[%d]\n",
6673 i);
6674#ifdef BNX2X_STOP_ON_ERROR
6675 bnx2x_panic();
6676 return -EBUSY;
6677#else
6678 break;
6679#endif
6680 }
6681 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006682 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006683 smp_rmb();
6684 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08006685 }
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006686 /* Give HW time to discard old tx messages */
6687 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006688
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006689 /* Release IRQs */
6690 bnx2x_free_irq(bp);
6691
Yitchak Gertner65abd742008-08-25 15:26:24 -07006692 if (CHIP_IS_E1(bp)) {
6693 struct mac_configuration_cmd *config =
6694 bnx2x_sp(bp, mcast_config);
6695
6696 bnx2x_set_mac_addr_e1(bp, 0);
6697
6698 for (i = 0; i < config->hdr.length_6b; i++)
6699 CAM_INVALIDATE(config->config_table[i]);
6700
6701 config->hdr.length_6b = i;
6702 if (CHIP_REV_IS_SLOW(bp))
6703 config->hdr.offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
6704 else
6705 config->hdr.offset = BNX2X_MAX_MULTICAST*(1 + port);
6706 config->hdr.client_id = BP_CL_ID(bp);
6707 config->hdr.reserved1 = 0;
6708
6709 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6710 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
6711 U64_LO(bnx2x_sp_mapping(bp, mcast_config)), 0);
6712
6713 } else { /* E1H */
6714 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
6715
6716 bnx2x_set_mac_addr_e1h(bp, 0);
6717
6718 for (i = 0; i < MC_HASH_SIZE; i++)
6719 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
6720 }
6721
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006722 if (unload_mode == UNLOAD_NORMAL)
6723 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006724
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006725 else if (bp->flags & NO_WOL_FLAG) {
6726 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
6727 if (CHIP_IS_E1H(bp))
6728 REG_WR(bp, MISC_REG_E1HMF_MODE, 0);
6729
6730 } else if (bp->wol) {
6731 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006732 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006733 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006734 /* The mac address is written to entries 1-4 to
6735 preserve entry 0 which is used by the PMF */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006736 u8 entry = (BP_E1HVN(bp) + 1)*8;
6737
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006738 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07006739 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006740
6741 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
6742 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07006743 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006744
6745 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006746
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006747 } else
6748 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6749
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006750 /* Close multi and leading connections
6751 Completions for ramrods are collected in a synchronous way */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006752 for_each_nondefault_queue(bp, i)
6753 if (bnx2x_stop_multi(bp, i))
Eliezer Tamir228241e2008-02-28 11:56:57 -08006754 goto unload_error;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006755
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006756 rc = bnx2x_stop_leading(bp);
6757 if (rc) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006758 BNX2X_ERR("Stop leading failed!\n");
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006759#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006760 return -EBUSY;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006761#else
6762 goto unload_error;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006763#endif
Eliezer Tamir228241e2008-02-28 11:56:57 -08006764 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006765
Eliezer Tamir228241e2008-02-28 11:56:57 -08006766unload_error:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006767 if (!BP_NOMCP(bp))
Eliezer Tamir228241e2008-02-28 11:56:57 -08006768 reset_code = bnx2x_fw_command(bp, reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006769 else {
6770 DP(NETIF_MSG_IFDOWN, "NO MCP load counts %d, %d, %d\n",
6771 load_count[0], load_count[1], load_count[2]);
6772 load_count[0]--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006773 load_count[1 + port]--;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006774 DP(NETIF_MSG_IFDOWN, "NO MCP new load counts %d, %d, %d\n",
6775 load_count[0], load_count[1], load_count[2]);
6776 if (load_count[0] == 0)
6777 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006778 else if (load_count[1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006779 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
6780 else
6781 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
6782 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006783
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006784 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
6785 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
6786 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006787
6788 /* Reset the chip */
Eliezer Tamir228241e2008-02-28 11:56:57 -08006789 bnx2x_reset_chip(bp, reset_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006790
6791 /* Report UNLOAD_DONE to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006792 if (!BP_NOMCP(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006793 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
Eilon Greenstein9a035442008-11-03 16:45:55 -08006794 bp->port.pmf = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006795
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006796 /* Free SKBs, SGEs, TPA pool and driver internals */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006797 bnx2x_free_skbs(bp);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006798 for_each_queue(bp, i)
Eilon Greenstein3196a882008-08-13 15:58:49 -07006799 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006800 bnx2x_free_mem(bp);
6801
6802 bp->state = BNX2X_STATE_CLOSED;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006803
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006804 netif_carrier_off(bp->dev);
6805
6806 return 0;
6807}
6808
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006809static void bnx2x_reset_task(struct work_struct *work)
6810{
6811 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task);
6812
6813#ifdef BNX2X_STOP_ON_ERROR
6814 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
6815 " so reset not done to allow debug dump,\n"
6816 KERN_ERR " you will need to reboot when done\n");
6817 return;
6818#endif
6819
6820 rtnl_lock();
6821
6822 if (!netif_running(bp->dev))
6823 goto reset_task_exit;
6824
6825 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
6826 bnx2x_nic_load(bp, LOAD_NORMAL);
6827
6828reset_task_exit:
6829 rtnl_unlock();
6830}
6831
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006832/* end of nic load/unload */
6833
6834/* ethtool_ops */
6835
6836/*
6837 * Init service functions
6838 */
6839
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006840static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006841{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006842 u32 val;
6843
6844 /* Check if there is any driver already loaded */
6845 val = REG_RD(bp, MISC_REG_UNPREPARED);
6846 if (val == 0x1) {
6847 /* Check if it is the UNDI driver
6848 * UNDI driver initializes CID offset for normal bell to 0x7
6849 */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07006850 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006851 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
Eilon Greenstein76b190c2008-08-25 15:22:46 -07006852 if (val == 0x7)
6853 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
6854 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
6855
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006856 if (val == 0x7) {
6857 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006858 /* save our func */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006859 int func = BP_FUNC(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006860 u32 swap_en;
6861 u32 swap_val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006862
6863 BNX2X_DEV_INFO("UNDI is active! reset device\n");
6864
6865 /* try unload UNDI on port 0 */
6866 bp->func = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006867 bp->fw_seq =
6868 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6869 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006870 reset_code = bnx2x_fw_command(bp, reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006871
6872 /* if UNDI is loaded on the other port */
6873 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
6874
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006875 /* send "DONE" for previous unload */
6876 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6877
6878 /* unload UNDI on port 1 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006879 bp->func = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006880 bp->fw_seq =
6881 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6882 DRV_MSG_SEQ_NUMBER_MASK);
6883 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006884
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006885 bnx2x_fw_command(bp, reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006886 }
6887
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006888 REG_WR(bp, (BP_PORT(bp) ? HC_REG_CONFIG_1 :
6889 HC_REG_CONFIG_0), 0x1000);
6890
6891 /* close input traffic and wait for it */
6892 /* Do not rcv packets to BRB */
6893 REG_WR(bp,
6894 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
6895 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
6896 /* Do not direct rcv packets that are not for MCP to
6897 * the BRB */
6898 REG_WR(bp,
6899 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
6900 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6901 /* clear AEU */
6902 REG_WR(bp,
6903 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
6904 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
6905 msleep(10);
6906
6907 /* save NIG port swap info */
6908 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
6909 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006910 /* reset device */
6911 REG_WR(bp,
6912 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006913 0xd3ffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006914 REG_WR(bp,
6915 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
6916 0x1403);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006917 /* take the NIG out of reset and restore swap values */
6918 REG_WR(bp,
6919 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6920 MISC_REGISTERS_RESET_REG_1_RST_NIG);
6921 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
6922 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
6923
6924 /* send unload done to the MCP */
6925 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6926
6927 /* restore our func and fw_seq */
6928 bp->func = func;
6929 bp->fw_seq =
6930 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6931 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006932 }
6933 }
6934}
6935
6936static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
6937{
6938 u32 val, val2, val3, val4, id;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07006939 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006940
6941 /* Get the chip revision id and number. */
6942 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
6943 val = REG_RD(bp, MISC_REG_CHIP_NUM);
6944 id = ((val & 0xffff) << 16);
6945 val = REG_RD(bp, MISC_REG_CHIP_REV);
6946 id |= ((val & 0xf) << 12);
6947 val = REG_RD(bp, MISC_REG_CHIP_METAL);
6948 id |= ((val & 0xff) << 4);
6949 REG_RD(bp, MISC_REG_BOND_ID);
6950 id |= (val & 0xf);
6951 bp->common.chip_id = id;
6952 bp->link_params.chip_id = bp->common.chip_id;
6953 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
6954
6955 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
6956 bp->common.flash_size = (NVRAM_1MB_SIZE <<
6957 (val & MCPR_NVM_CFG4_FLASH_SIZE));
6958 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
6959 bp->common.flash_size, bp->common.flash_size);
6960
6961 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
6962 bp->link_params.shmem_base = bp->common.shmem_base;
6963 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
6964
6965 if (!bp->common.shmem_base ||
6966 (bp->common.shmem_base < 0xA0000) ||
6967 (bp->common.shmem_base >= 0xC0000)) {
6968 BNX2X_DEV_INFO("MCP not active\n");
6969 bp->flags |= NO_MCP_FLAG;
6970 return;
6971 }
6972
6973 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
6974 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6975 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6976 BNX2X_ERR("BAD MCP validity signature\n");
6977
6978 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
6979 bp->common.board = SHMEM_RD(bp, dev_info.shared_hw_config.board);
6980
6981 BNX2X_DEV_INFO("hw_config 0x%08x board 0x%08x\n",
6982 bp->common.hw_config, bp->common.board);
6983
6984 bp->link_params.hw_led_mode = ((bp->common.hw_config &
6985 SHARED_HW_CFG_LED_MODE_MASK) >>
6986 SHARED_HW_CFG_LED_MODE_SHIFT);
6987
6988 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
6989 bp->common.bc_ver = val;
6990 BNX2X_DEV_INFO("bc_ver %X\n", val);
6991 if (val < BNX2X_BC_VER) {
6992 /* for now only warn
6993 * later we might need to enforce this */
6994 BNX2X_ERR("This driver needs bc_ver %X but found %X,"
6995 " please upgrade BC\n", BNX2X_BC_VER, val);
6996 }
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07006997
6998 if (BP_E1HVN(bp) == 0) {
6999 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
7000 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
7001 } else {
7002 /* no WOL capability for E1HVN != 0 */
7003 bp->flags |= NO_WOL_FLAG;
7004 }
7005 BNX2X_DEV_INFO("%sWoL capable\n",
7006 (bp->flags & NO_WOL_FLAG) ? "Not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007007
7008 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
7009 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
7010 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
7011 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
7012
7013 printk(KERN_INFO PFX "part number %X-%X-%X-%X\n",
7014 val, val2, val3, val4);
7015}
7016
7017static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
7018 u32 switch_cfg)
7019{
7020 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007021 u32 ext_phy_type;
7022
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007023 switch (switch_cfg) {
7024 case SWITCH_CFG_1G:
7025 BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg);
7026
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007027 ext_phy_type =
7028 SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007029 switch (ext_phy_type) {
7030 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
7031 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7032 ext_phy_type);
7033
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007034 bp->port.supported |= (SUPPORTED_10baseT_Half |
7035 SUPPORTED_10baseT_Full |
7036 SUPPORTED_100baseT_Half |
7037 SUPPORTED_100baseT_Full |
7038 SUPPORTED_1000baseT_Full |
7039 SUPPORTED_2500baseX_Full |
7040 SUPPORTED_TP |
7041 SUPPORTED_FIBRE |
7042 SUPPORTED_Autoneg |
7043 SUPPORTED_Pause |
7044 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007045 break;
7046
7047 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
7048 BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n",
7049 ext_phy_type);
7050
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007051 bp->port.supported |= (SUPPORTED_10baseT_Half |
7052 SUPPORTED_10baseT_Full |
7053 SUPPORTED_100baseT_Half |
7054 SUPPORTED_100baseT_Full |
7055 SUPPORTED_1000baseT_Full |
7056 SUPPORTED_TP |
7057 SUPPORTED_FIBRE |
7058 SUPPORTED_Autoneg |
7059 SUPPORTED_Pause |
7060 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007061 break;
7062
7063 default:
7064 BNX2X_ERR("NVRAM config error. "
7065 "BAD SerDes ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007066 bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007067 return;
7068 }
7069
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007070 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
7071 port*0x10);
7072 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007073 break;
7074
7075 case SWITCH_CFG_10G:
7076 BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg);
7077
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007078 ext_phy_type =
7079 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007080 switch (ext_phy_type) {
7081 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7082 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7083 ext_phy_type);
7084
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007085 bp->port.supported |= (SUPPORTED_10baseT_Half |
7086 SUPPORTED_10baseT_Full |
7087 SUPPORTED_100baseT_Half |
7088 SUPPORTED_100baseT_Full |
7089 SUPPORTED_1000baseT_Full |
7090 SUPPORTED_2500baseX_Full |
7091 SUPPORTED_10000baseT_Full |
7092 SUPPORTED_TP |
7093 SUPPORTED_FIBRE |
7094 SUPPORTED_Autoneg |
7095 SUPPORTED_Pause |
7096 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007097 break;
7098
7099 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007100 BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007101 ext_phy_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007102
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007103 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7104 SUPPORTED_FIBRE |
7105 SUPPORTED_Pause |
7106 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007107 break;
7108
Eliezer Tamirf1410642008-02-28 11:51:50 -08007109 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7110 BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n",
7111 ext_phy_type);
7112
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007113 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7114 SUPPORTED_1000baseT_Full |
7115 SUPPORTED_FIBRE |
7116 SUPPORTED_Pause |
7117 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007118 break;
7119
7120 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
7121 BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n",
7122 ext_phy_type);
7123
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007124 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7125 SUPPORTED_1000baseT_Full |
7126 SUPPORTED_FIBRE |
7127 SUPPORTED_Autoneg |
7128 SUPPORTED_Pause |
7129 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007130 break;
7131
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007132 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
7133 BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n",
7134 ext_phy_type);
7135
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007136 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7137 SUPPORTED_2500baseX_Full |
7138 SUPPORTED_1000baseT_Full |
7139 SUPPORTED_FIBRE |
7140 SUPPORTED_Autoneg |
7141 SUPPORTED_Pause |
7142 SUPPORTED_Asym_Pause);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007143 break;
7144
Eliezer Tamirf1410642008-02-28 11:51:50 -08007145 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7146 BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n",
7147 ext_phy_type);
7148
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007149 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7150 SUPPORTED_TP |
7151 SUPPORTED_Autoneg |
7152 SUPPORTED_Pause |
7153 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007154 break;
7155
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007156 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7157 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7158 bp->link_params.ext_phy_config);
7159 break;
7160
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007161 default:
7162 BNX2X_ERR("NVRAM config error. "
7163 "BAD XGXS ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007164 bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007165 return;
7166 }
7167
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007168 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
7169 port*0x18);
7170 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007171
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007172 break;
7173
7174 default:
7175 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007176 bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007177 return;
7178 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007179 bp->link_params.phy_addr = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007180
7181 /* mask what we support according to speed_cap_mask */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007182 if (!(bp->link_params.speed_cap_mask &
7183 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007184 bp->port.supported &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007185
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007186 if (!(bp->link_params.speed_cap_mask &
7187 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007188 bp->port.supported &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007189
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007190 if (!(bp->link_params.speed_cap_mask &
7191 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007192 bp->port.supported &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007193
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007194 if (!(bp->link_params.speed_cap_mask &
7195 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007196 bp->port.supported &= ~SUPPORTED_100baseT_Full;
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_1G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007200 bp->port.supported &= ~(SUPPORTED_1000baseT_Half |
7201 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007202
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007203 if (!(bp->link_params.speed_cap_mask &
7204 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007205 bp->port.supported &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007206
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007207 if (!(bp->link_params.speed_cap_mask &
7208 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007209 bp->port.supported &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007210
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007211 BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007212}
7213
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007214static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007215{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007216 bp->link_params.req_duplex = DUPLEX_FULL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007217
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007218 switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007219 case PORT_FEATURE_LINK_SPEED_AUTO:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007220 if (bp->port.supported & SUPPORTED_Autoneg) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007221 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007222 bp->port.advertising = bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007223 } else {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007224 u32 ext_phy_type =
7225 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7226
7227 if ((ext_phy_type ==
7228 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
7229 (ext_phy_type ==
7230 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007231 /* force 10G, no AN */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007232 bp->link_params.req_line_speed = SPEED_10000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007233 bp->port.advertising =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007234 (ADVERTISED_10000baseT_Full |
7235 ADVERTISED_FIBRE);
7236 break;
7237 }
7238 BNX2X_ERR("NVRAM config error. "
7239 "Invalid link_config 0x%x"
7240 " Autoneg not supported\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007241 bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007242 return;
7243 }
7244 break;
7245
7246 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007247 if (bp->port.supported & SUPPORTED_10baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007248 bp->link_params.req_line_speed = SPEED_10;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007249 bp->port.advertising = (ADVERTISED_10baseT_Full |
7250 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007251 } else {
7252 BNX2X_ERR("NVRAM config error. "
7253 "Invalid link_config 0x%x"
7254 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007255 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007256 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007257 return;
7258 }
7259 break;
7260
7261 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007262 if (bp->port.supported & SUPPORTED_10baseT_Half) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007263 bp->link_params.req_line_speed = SPEED_10;
7264 bp->link_params.req_duplex = DUPLEX_HALF;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007265 bp->port.advertising = (ADVERTISED_10baseT_Half |
7266 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007267 } else {
7268 BNX2X_ERR("NVRAM config error. "
7269 "Invalid link_config 0x%x"
7270 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007271 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007272 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007273 return;
7274 }
7275 break;
7276
7277 case PORT_FEATURE_LINK_SPEED_100M_FULL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007278 if (bp->port.supported & SUPPORTED_100baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007279 bp->link_params.req_line_speed = SPEED_100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007280 bp->port.advertising = (ADVERTISED_100baseT_Full |
7281 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007282 } else {
7283 BNX2X_ERR("NVRAM config error. "
7284 "Invalid link_config 0x%x"
7285 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007286 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007287 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007288 return;
7289 }
7290 break;
7291
7292 case PORT_FEATURE_LINK_SPEED_100M_HALF:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007293 if (bp->port.supported & SUPPORTED_100baseT_Half) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007294 bp->link_params.req_line_speed = SPEED_100;
7295 bp->link_params.req_duplex = DUPLEX_HALF;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007296 bp->port.advertising = (ADVERTISED_100baseT_Half |
7297 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007298 } else {
7299 BNX2X_ERR("NVRAM config error. "
7300 "Invalid link_config 0x%x"
7301 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007302 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007303 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007304 return;
7305 }
7306 break;
7307
7308 case PORT_FEATURE_LINK_SPEED_1G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007309 if (bp->port.supported & SUPPORTED_1000baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007310 bp->link_params.req_line_speed = SPEED_1000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007311 bp->port.advertising = (ADVERTISED_1000baseT_Full |
7312 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007313 } else {
7314 BNX2X_ERR("NVRAM config error. "
7315 "Invalid link_config 0x%x"
7316 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007317 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007318 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007319 return;
7320 }
7321 break;
7322
7323 case PORT_FEATURE_LINK_SPEED_2_5G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007324 if (bp->port.supported & SUPPORTED_2500baseX_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007325 bp->link_params.req_line_speed = SPEED_2500;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007326 bp->port.advertising = (ADVERTISED_2500baseX_Full |
7327 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007328 } else {
7329 BNX2X_ERR("NVRAM config error. "
7330 "Invalid link_config 0x%x"
7331 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007332 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007333 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007334 return;
7335 }
7336 break;
7337
7338 case PORT_FEATURE_LINK_SPEED_10G_CX4:
7339 case PORT_FEATURE_LINK_SPEED_10G_KX4:
7340 case PORT_FEATURE_LINK_SPEED_10G_KR:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007341 if (bp->port.supported & SUPPORTED_10000baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007342 bp->link_params.req_line_speed = SPEED_10000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007343 bp->port.advertising = (ADVERTISED_10000baseT_Full |
7344 ADVERTISED_FIBRE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007345 } else {
7346 BNX2X_ERR("NVRAM config error. "
7347 "Invalid link_config 0x%x"
7348 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007349 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007350 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007351 return;
7352 }
7353 break;
7354
7355 default:
7356 BNX2X_ERR("NVRAM config error. "
7357 "BAD link speed link_config 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007358 bp->port.link_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007359 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007360 bp->port.advertising = bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007361 break;
7362 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007363
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007364 bp->link_params.req_flow_ctrl = (bp->port.link_config &
7365 PORT_FEATURE_FLOW_CONTROL_MASK);
David S. Millerc0700f92008-12-16 23:53:20 -08007366 if ((bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) &&
Randy Dunlap4ab84d42008-08-07 20:33:19 -07007367 !(bp->port.supported & SUPPORTED_Autoneg))
David S. Millerc0700f92008-12-16 23:53:20 -08007368 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007369
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007370 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl 0x%x"
Eliezer Tamirf1410642008-02-28 11:51:50 -08007371 " advertising 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007372 bp->link_params.req_line_speed,
7373 bp->link_params.req_duplex,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007374 bp->link_params.req_flow_ctrl, bp->port.advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007375}
7376
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007377static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007378{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007379 int port = BP_PORT(bp);
7380 u32 val, val2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007381
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007382 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007383 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007384
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007385 bp->link_params.serdes_config =
Eliezer Tamirf1410642008-02-28 11:51:50 -08007386 SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007387 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007388 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007389 bp->link_params.ext_phy_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007390 SHMEM_RD(bp,
7391 dev_info.port_hw_config[port].external_phy_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007392 bp->link_params.speed_cap_mask =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007393 SHMEM_RD(bp,
7394 dev_info.port_hw_config[port].speed_capability_mask);
7395
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007396 bp->port.link_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007397 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
7398
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007399 BNX2X_DEV_INFO("serdes_config 0x%08x lane_config 0x%08x\n"
7400 KERN_INFO " ext_phy_config 0x%08x speed_cap_mask 0x%08x"
7401 " link_config 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007402 bp->link_params.serdes_config,
7403 bp->link_params.lane_config,
7404 bp->link_params.ext_phy_config,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007405 bp->link_params.speed_cap_mask, bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007406
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007407 bp->link_params.switch_cfg = (bp->port.link_config &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007408 PORT_FEATURE_CONNECTED_SWITCH_MASK);
7409 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007410
7411 bnx2x_link_settings_requested(bp);
7412
7413 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
7414 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
7415 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7416 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7417 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7418 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7419 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7420 bp->dev->dev_addr[5] = (u8)(val & 0xff);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007421 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
7422 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007423}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007424
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007425static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
7426{
7427 int func = BP_FUNC(bp);
7428 u32 val, val2;
7429 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007430
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007431 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007432
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007433 bp->e1hov = 0;
7434 bp->e1hmf = 0;
7435 if (CHIP_IS_E1H(bp)) {
7436 bp->mf_config =
7437 SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007438
Eilon Greenstein3196a882008-08-13 15:58:49 -07007439 val = (SHMEM_RD(bp, mf_cfg.func_mf_config[func].e1hov_tag) &
7440 FUNC_MF_CFG_E1HOV_TAG_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007441 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007442
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007443 bp->e1hov = val;
7444 bp->e1hmf = 1;
7445 BNX2X_DEV_INFO("MF mode E1HOV for func %d is %d "
7446 "(0x%04x)\n",
7447 func, bp->e1hov, bp->e1hov);
7448 } else {
7449 BNX2X_DEV_INFO("Single function mode\n");
7450 if (BP_E1HVN(bp)) {
7451 BNX2X_ERR("!!! No valid E1HOV for func %d,"
7452 " aborting\n", func);
7453 rc = -EPERM;
7454 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007455 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007456 }
7457
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007458 if (!BP_NOMCP(bp)) {
7459 bnx2x_get_port_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007460
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007461 bp->fw_seq = (SHMEM_RD(bp, func_mb[func].drv_mb_header) &
7462 DRV_MSG_SEQ_NUMBER_MASK);
7463 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
7464 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007465
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007466 if (IS_E1HMF(bp)) {
7467 val2 = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_upper);
7468 val = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_lower);
7469 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
7470 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) {
7471 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7472 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7473 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7474 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7475 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7476 bp->dev->dev_addr[5] = (u8)(val & 0xff);
7477 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr,
7478 ETH_ALEN);
7479 memcpy(bp->dev->perm_addr, bp->dev->dev_addr,
7480 ETH_ALEN);
7481 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007482
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007483 return rc;
7484 }
7485
7486 if (BP_NOMCP(bp)) {
7487 /* only supposed to happen on emulation/FPGA */
Eilon Greenstein33471622008-08-13 15:59:08 -07007488 BNX2X_ERR("warning random MAC workaround active\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007489 random_ether_addr(bp->dev->dev_addr);
7490 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7491 }
7492
7493 return rc;
7494}
7495
7496static int __devinit bnx2x_init_bp(struct bnx2x *bp)
7497{
7498 int func = BP_FUNC(bp);
7499 int rc;
7500
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007501 /* Disable interrupt handling until HW is initialized */
7502 atomic_set(&bp->intr_sem, 1);
7503
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007504 mutex_init(&bp->port.phy_mutex);
7505
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08007506 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007507 INIT_WORK(&bp->reset_task, bnx2x_reset_task);
7508
7509 rc = bnx2x_get_hwinfo(bp);
7510
7511 /* need to reset chip if undi was active */
7512 if (!BP_NOMCP(bp))
7513 bnx2x_undi_unload(bp);
7514
7515 if (CHIP_REV_IS_FPGA(bp))
7516 printk(KERN_ERR PFX "FPGA detected\n");
7517
7518 if (BP_NOMCP(bp) && (func == 0))
7519 printk(KERN_ERR PFX
7520 "MCP disabled, must load devices in order!\n");
7521
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07007522 /* Set TPA flags */
7523 if (disable_tpa) {
7524 bp->flags &= ~TPA_ENABLE_FLAG;
7525 bp->dev->features &= ~NETIF_F_LRO;
7526 } else {
7527 bp->flags |= TPA_ENABLE_FLAG;
7528 bp->dev->features |= NETIF_F_LRO;
7529 }
7530
7531
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007532 bp->tx_ring_size = MAX_TX_AVAIL;
7533 bp->rx_ring_size = MAX_RX_AVAIL;
7534
7535 bp->rx_csum = 1;
7536 bp->rx_offset = 0;
7537
7538 bp->tx_ticks = 50;
7539 bp->rx_ticks = 25;
7540
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007541 bp->timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
7542 bp->current_interval = (poll ? poll : bp->timer_interval);
7543
7544 init_timer(&bp->timer);
7545 bp->timer.expires = jiffies + bp->current_interval;
7546 bp->timer.data = (unsigned long) bp;
7547 bp->timer.function = bnx2x_timer;
7548
7549 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007550}
7551
7552/*
7553 * ethtool service functions
7554 */
7555
7556/* All ethtool functions called with rtnl_lock */
7557
7558static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7559{
7560 struct bnx2x *bp = netdev_priv(dev);
7561
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007562 cmd->supported = bp->port.supported;
7563 cmd->advertising = bp->port.advertising;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007564
7565 if (netif_carrier_ok(dev)) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007566 cmd->speed = bp->link_vars.line_speed;
7567 cmd->duplex = bp->link_vars.duplex;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007568 } else {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007569 cmd->speed = bp->link_params.req_line_speed;
7570 cmd->duplex = bp->link_params.req_duplex;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007571 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007572 if (IS_E1HMF(bp)) {
7573 u16 vn_max_rate;
7574
7575 vn_max_rate = ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >>
7576 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
7577 if (vn_max_rate < cmd->speed)
7578 cmd->speed = vn_max_rate;
7579 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007580
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007581 if (bp->link_params.switch_cfg == SWITCH_CFG_10G) {
7582 u32 ext_phy_type =
7583 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007584
7585 switch (ext_phy_type) {
7586 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7587 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7588 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7589 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007590 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007591 cmd->port = PORT_FIBRE;
7592 break;
7593
7594 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7595 cmd->port = PORT_TP;
7596 break;
7597
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007598 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7599 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7600 bp->link_params.ext_phy_config);
7601 break;
7602
Eliezer Tamirf1410642008-02-28 11:51:50 -08007603 default:
7604 DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007605 bp->link_params.ext_phy_config);
7606 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007607 }
7608 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007609 cmd->port = PORT_TP;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007610
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007611 cmd->phy_address = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007612 cmd->transceiver = XCVR_INTERNAL;
7613
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007614 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007615 cmd->autoneg = AUTONEG_ENABLE;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007616 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007617 cmd->autoneg = AUTONEG_DISABLE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007618
7619 cmd->maxtxpkt = 0;
7620 cmd->maxrxpkt = 0;
7621
7622 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7623 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7624 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7625 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7626 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7627 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7628 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7629
7630 return 0;
7631}
7632
7633static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7634{
7635 struct bnx2x *bp = netdev_priv(dev);
7636 u32 advertising;
7637
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007638 if (IS_E1HMF(bp))
7639 return 0;
7640
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007641 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7642 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7643 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7644 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7645 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7646 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7647 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7648
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007649 if (cmd->autoneg == AUTONEG_ENABLE) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007650 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
7651 DP(NETIF_MSG_LINK, "Autoneg not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007652 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007653 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007654
7655 /* advertise the requested speed and duplex if supported */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007656 cmd->advertising &= bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007657
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007658 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7659 bp->link_params.req_duplex = DUPLEX_FULL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007660 bp->port.advertising |= (ADVERTISED_Autoneg |
7661 cmd->advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007662
7663 } else { /* forced speed */
7664 /* advertise the requested speed and duplex if supported */
7665 switch (cmd->speed) {
7666 case SPEED_10:
7667 if (cmd->duplex == DUPLEX_FULL) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007668 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007669 SUPPORTED_10baseT_Full)) {
7670 DP(NETIF_MSG_LINK,
7671 "10M full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007672 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007673 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007674
7675 advertising = (ADVERTISED_10baseT_Full |
7676 ADVERTISED_TP);
7677 } else {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007678 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007679 SUPPORTED_10baseT_Half)) {
7680 DP(NETIF_MSG_LINK,
7681 "10M half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007682 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007683 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007684
7685 advertising = (ADVERTISED_10baseT_Half |
7686 ADVERTISED_TP);
7687 }
7688 break;
7689
7690 case SPEED_100:
7691 if (cmd->duplex == DUPLEX_FULL) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007692 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007693 SUPPORTED_100baseT_Full)) {
7694 DP(NETIF_MSG_LINK,
7695 "100M full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007696 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007697 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007698
7699 advertising = (ADVERTISED_100baseT_Full |
7700 ADVERTISED_TP);
7701 } else {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007702 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007703 SUPPORTED_100baseT_Half)) {
7704 DP(NETIF_MSG_LINK,
7705 "100M half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007706 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007707 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007708
7709 advertising = (ADVERTISED_100baseT_Half |
7710 ADVERTISED_TP);
7711 }
7712 break;
7713
7714 case SPEED_1000:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007715 if (cmd->duplex != DUPLEX_FULL) {
7716 DP(NETIF_MSG_LINK, "1G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007717 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007718 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007719
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007720 if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007721 DP(NETIF_MSG_LINK, "1G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007722 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007723 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007724
7725 advertising = (ADVERTISED_1000baseT_Full |
7726 ADVERTISED_TP);
7727 break;
7728
7729 case SPEED_2500:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007730 if (cmd->duplex != DUPLEX_FULL) {
7731 DP(NETIF_MSG_LINK,
7732 "2.5G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007733 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007734 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007735
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007736 if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007737 DP(NETIF_MSG_LINK,
7738 "2.5G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007739 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007740 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007741
Eliezer Tamirf1410642008-02-28 11:51:50 -08007742 advertising = (ADVERTISED_2500baseX_Full |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007743 ADVERTISED_TP);
7744 break;
7745
7746 case SPEED_10000:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007747 if (cmd->duplex != DUPLEX_FULL) {
7748 DP(NETIF_MSG_LINK, "10G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007749 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007750 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007751
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007752 if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007753 DP(NETIF_MSG_LINK, "10G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007754 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007755 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007756
7757 advertising = (ADVERTISED_10000baseT_Full |
7758 ADVERTISED_FIBRE);
7759 break;
7760
7761 default:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007762 DP(NETIF_MSG_LINK, "Unsupported speed\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007763 return -EINVAL;
7764 }
7765
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007766 bp->link_params.req_line_speed = cmd->speed;
7767 bp->link_params.req_duplex = cmd->duplex;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007768 bp->port.advertising = advertising;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007769 }
7770
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007771 DP(NETIF_MSG_LINK, "req_line_speed %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007772 DP_LEVEL " req_duplex %d advertising 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007773 bp->link_params.req_line_speed, bp->link_params.req_duplex,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007774 bp->port.advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007775
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007776 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07007777 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007778 bnx2x_link_set(bp);
7779 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007780
7781 return 0;
7782}
7783
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007784#define PHY_FW_VER_LEN 10
7785
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007786static void bnx2x_get_drvinfo(struct net_device *dev,
7787 struct ethtool_drvinfo *info)
7788{
7789 struct bnx2x *bp = netdev_priv(dev);
Eilon Greensteinf0e53a82008-08-13 15:58:30 -07007790 u8 phy_fw_ver[PHY_FW_VER_LEN];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007791
7792 strcpy(info->driver, DRV_MODULE_NAME);
7793 strcpy(info->version, DRV_MODULE_VERSION);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007794
7795 phy_fw_ver[0] = '\0';
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007796 if (bp->port.pmf) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007797 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007798 bnx2x_get_ext_phy_fw_version(&bp->link_params,
7799 (bp->state != BNX2X_STATE_CLOSED),
7800 phy_fw_ver, PHY_FW_VER_LEN);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007801 bnx2x_release_phy_lock(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007802 }
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007803
Eilon Greensteinf0e53a82008-08-13 15:58:30 -07007804 snprintf(info->fw_version, 32, "BC:%d.%d.%d%s%s",
7805 (bp->common.bc_ver & 0xff0000) >> 16,
7806 (bp->common.bc_ver & 0xff00) >> 8,
7807 (bp->common.bc_ver & 0xff),
7808 ((phy_fw_ver[0] != '\0') ? " PHY:" : ""), phy_fw_ver);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007809 strcpy(info->bus_info, pci_name(bp->pdev));
7810 info->n_stats = BNX2X_NUM_STATS;
7811 info->testinfo_len = BNX2X_NUM_TESTS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007812 info->eedump_len = bp->common.flash_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007813 info->regdump_len = 0;
7814}
7815
7816static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7817{
7818 struct bnx2x *bp = netdev_priv(dev);
7819
7820 if (bp->flags & NO_WOL_FLAG) {
7821 wol->supported = 0;
7822 wol->wolopts = 0;
7823 } else {
7824 wol->supported = WAKE_MAGIC;
7825 if (bp->wol)
7826 wol->wolopts = WAKE_MAGIC;
7827 else
7828 wol->wolopts = 0;
7829 }
7830 memset(&wol->sopass, 0, sizeof(wol->sopass));
7831}
7832
7833static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7834{
7835 struct bnx2x *bp = netdev_priv(dev);
7836
7837 if (wol->wolopts & ~WAKE_MAGIC)
7838 return -EINVAL;
7839
7840 if (wol->wolopts & WAKE_MAGIC) {
7841 if (bp->flags & NO_WOL_FLAG)
7842 return -EINVAL;
7843
7844 bp->wol = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007845 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007846 bp->wol = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007847
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007848 return 0;
7849}
7850
7851static u32 bnx2x_get_msglevel(struct net_device *dev)
7852{
7853 struct bnx2x *bp = netdev_priv(dev);
7854
7855 return bp->msglevel;
7856}
7857
7858static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
7859{
7860 struct bnx2x *bp = netdev_priv(dev);
7861
7862 if (capable(CAP_NET_ADMIN))
7863 bp->msglevel = level;
7864}
7865
7866static int bnx2x_nway_reset(struct net_device *dev)
7867{
7868 struct bnx2x *bp = netdev_priv(dev);
7869
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007870 if (!bp->port.pmf)
7871 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007872
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007873 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07007874 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007875 bnx2x_link_set(bp);
7876 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007877
7878 return 0;
7879}
7880
7881static int bnx2x_get_eeprom_len(struct net_device *dev)
7882{
7883 struct bnx2x *bp = netdev_priv(dev);
7884
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007885 return bp->common.flash_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007886}
7887
7888static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
7889{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007890 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007891 int count, i;
7892 u32 val = 0;
7893
7894 /* adjust timeout for emulation/FPGA */
7895 count = NVRAM_TIMEOUT_COUNT;
7896 if (CHIP_REV_IS_SLOW(bp))
7897 count *= 100;
7898
7899 /* request access to nvram interface */
7900 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7901 (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
7902
7903 for (i = 0; i < count*10; i++) {
7904 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7905 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
7906 break;
7907
7908 udelay(5);
7909 }
7910
7911 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007912 DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007913 return -EBUSY;
7914 }
7915
7916 return 0;
7917}
7918
7919static int bnx2x_release_nvram_lock(struct bnx2x *bp)
7920{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007921 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007922 int count, i;
7923 u32 val = 0;
7924
7925 /* adjust timeout for emulation/FPGA */
7926 count = NVRAM_TIMEOUT_COUNT;
7927 if (CHIP_REV_IS_SLOW(bp))
7928 count *= 100;
7929
7930 /* relinquish nvram interface */
7931 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7932 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
7933
7934 for (i = 0; i < count*10; i++) {
7935 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7936 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
7937 break;
7938
7939 udelay(5);
7940 }
7941
7942 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007943 DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007944 return -EBUSY;
7945 }
7946
7947 return 0;
7948}
7949
7950static void bnx2x_enable_nvram_access(struct bnx2x *bp)
7951{
7952 u32 val;
7953
7954 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7955
7956 /* enable both bits, even on read */
7957 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7958 (val | MCPR_NVM_ACCESS_ENABLE_EN |
7959 MCPR_NVM_ACCESS_ENABLE_WR_EN));
7960}
7961
7962static void bnx2x_disable_nvram_access(struct bnx2x *bp)
7963{
7964 u32 val;
7965
7966 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7967
7968 /* disable both bits, even after 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 int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val,
7975 u32 cmd_flags)
7976{
Eliezer Tamirf1410642008-02-28 11:51:50 -08007977 int count, i, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007978 u32 val;
7979
7980 /* build the command word */
7981 cmd_flags |= MCPR_NVM_COMMAND_DOIT;
7982
7983 /* need to clear DONE bit separately */
7984 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
7985
7986 /* address of the NVRAM to read from */
7987 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
7988 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
7989
7990 /* issue a read command */
7991 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
7992
7993 /* adjust timeout for emulation/FPGA */
7994 count = NVRAM_TIMEOUT_COUNT;
7995 if (CHIP_REV_IS_SLOW(bp))
7996 count *= 100;
7997
7998 /* wait for completion */
7999 *ret_val = 0;
8000 rc = -EBUSY;
8001 for (i = 0; i < count; i++) {
8002 udelay(5);
8003 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8004
8005 if (val & MCPR_NVM_COMMAND_DONE) {
8006 val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008007 /* we read nvram data in cpu order
8008 * but ethtool sees it as an array of bytes
8009 * converting to big-endian will do the work */
8010 val = cpu_to_be32(val);
8011 *ret_val = val;
8012 rc = 0;
8013 break;
8014 }
8015 }
8016
8017 return rc;
8018}
8019
8020static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
8021 int buf_size)
8022{
8023 int rc;
8024 u32 cmd_flags;
8025 u32 val;
8026
8027 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008028 DP(BNX2X_MSG_NVM,
Eliezer Tamirc14423f2008-02-28 11:49:42 -08008029 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008030 offset, buf_size);
8031 return -EINVAL;
8032 }
8033
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008034 if (offset + buf_size > bp->common.flash_size) {
8035 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008036 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008037 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008038 return -EINVAL;
8039 }
8040
8041 /* request access to nvram interface */
8042 rc = bnx2x_acquire_nvram_lock(bp);
8043 if (rc)
8044 return rc;
8045
8046 /* enable access to nvram interface */
8047 bnx2x_enable_nvram_access(bp);
8048
8049 /* read the first word(s) */
8050 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8051 while ((buf_size > sizeof(u32)) && (rc == 0)) {
8052 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8053 memcpy(ret_buf, &val, 4);
8054
8055 /* advance to the next dword */
8056 offset += sizeof(u32);
8057 ret_buf += sizeof(u32);
8058 buf_size -= sizeof(u32);
8059 cmd_flags = 0;
8060 }
8061
8062 if (rc == 0) {
8063 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8064 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8065 memcpy(ret_buf, &val, 4);
8066 }
8067
8068 /* disable access to nvram interface */
8069 bnx2x_disable_nvram_access(bp);
8070 bnx2x_release_nvram_lock(bp);
8071
8072 return rc;
8073}
8074
8075static int bnx2x_get_eeprom(struct net_device *dev,
8076 struct ethtool_eeprom *eeprom, u8 *eebuf)
8077{
8078 struct bnx2x *bp = netdev_priv(dev);
8079 int rc;
8080
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008081 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008082 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8083 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8084 eeprom->len, eeprom->len);
8085
8086 /* parameters already validated in ethtool_get_eeprom */
8087
8088 rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
8089
8090 return rc;
8091}
8092
8093static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
8094 u32 cmd_flags)
8095{
Eliezer Tamirf1410642008-02-28 11:51:50 -08008096 int count, i, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008097
8098 /* build the command word */
8099 cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
8100
8101 /* need to clear DONE bit separately */
8102 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
8103
8104 /* write the data */
8105 REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
8106
8107 /* address of the NVRAM to write to */
8108 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
8109 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
8110
8111 /* issue the write command */
8112 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
8113
8114 /* adjust timeout for emulation/FPGA */
8115 count = NVRAM_TIMEOUT_COUNT;
8116 if (CHIP_REV_IS_SLOW(bp))
8117 count *= 100;
8118
8119 /* wait for completion */
8120 rc = -EBUSY;
8121 for (i = 0; i < count; i++) {
8122 udelay(5);
8123 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8124 if (val & MCPR_NVM_COMMAND_DONE) {
8125 rc = 0;
8126 break;
8127 }
8128 }
8129
8130 return rc;
8131}
8132
Eliezer Tamirf1410642008-02-28 11:51:50 -08008133#define BYTE_OFFSET(offset) (8 * (offset & 0x03))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008134
8135static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
8136 int buf_size)
8137{
8138 int rc;
8139 u32 cmd_flags;
8140 u32 align_offset;
8141 u32 val;
8142
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008143 if (offset + buf_size > bp->common.flash_size) {
8144 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008145 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008146 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008147 return -EINVAL;
8148 }
8149
8150 /* request access to nvram interface */
8151 rc = bnx2x_acquire_nvram_lock(bp);
8152 if (rc)
8153 return rc;
8154
8155 /* enable access to nvram interface */
8156 bnx2x_enable_nvram_access(bp);
8157
8158 cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
8159 align_offset = (offset & ~0x03);
8160 rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
8161
8162 if (rc == 0) {
8163 val &= ~(0xff << BYTE_OFFSET(offset));
8164 val |= (*data_buf << BYTE_OFFSET(offset));
8165
8166 /* nvram data is returned as an array of bytes
8167 * convert it back to cpu order */
8168 val = be32_to_cpu(val);
8169
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008170 rc = bnx2x_nvram_write_dword(bp, align_offset, val,
8171 cmd_flags);
8172 }
8173
8174 /* disable access to nvram interface */
8175 bnx2x_disable_nvram_access(bp);
8176 bnx2x_release_nvram_lock(bp);
8177
8178 return rc;
8179}
8180
8181static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
8182 int buf_size)
8183{
8184 int rc;
8185 u32 cmd_flags;
8186 u32 val;
8187 u32 written_so_far;
8188
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008189 if (buf_size == 1) /* ethtool */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008190 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008191
8192 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008193 DP(BNX2X_MSG_NVM,
Eliezer Tamirc14423f2008-02-28 11:49:42 -08008194 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008195 offset, buf_size);
8196 return -EINVAL;
8197 }
8198
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008199 if (offset + buf_size > bp->common.flash_size) {
8200 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008201 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008202 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008203 return -EINVAL;
8204 }
8205
8206 /* request access to nvram interface */
8207 rc = bnx2x_acquire_nvram_lock(bp);
8208 if (rc)
8209 return rc;
8210
8211 /* enable access to nvram interface */
8212 bnx2x_enable_nvram_access(bp);
8213
8214 written_so_far = 0;
8215 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8216 while ((written_so_far < buf_size) && (rc == 0)) {
8217 if (written_so_far == (buf_size - sizeof(u32)))
8218 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8219 else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0)
8220 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8221 else if ((offset % NVRAM_PAGE_SIZE) == 0)
8222 cmd_flags |= MCPR_NVM_COMMAND_FIRST;
8223
8224 memcpy(&val, data_buf, 4);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008225
8226 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
8227
8228 /* advance to the next dword */
8229 offset += sizeof(u32);
8230 data_buf += sizeof(u32);
8231 written_so_far += sizeof(u32);
8232 cmd_flags = 0;
8233 }
8234
8235 /* disable access to nvram interface */
8236 bnx2x_disable_nvram_access(bp);
8237 bnx2x_release_nvram_lock(bp);
8238
8239 return rc;
8240}
8241
8242static int bnx2x_set_eeprom(struct net_device *dev,
8243 struct ethtool_eeprom *eeprom, u8 *eebuf)
8244{
8245 struct bnx2x *bp = netdev_priv(dev);
8246 int rc;
8247
Eilon Greenstein9f4c9582009-01-08 11:21:43 -08008248 if (!netif_running(dev))
8249 return -EAGAIN;
8250
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008251 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008252 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8253 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8254 eeprom->len, eeprom->len);
8255
8256 /* parameters already validated in ethtool_set_eeprom */
8257
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008258 /* If the magic number is PHY (0x00504859) upgrade the PHY FW */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008259 if (eeprom->magic == 0x00504859)
8260 if (bp->port.pmf) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008261
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008262 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008263 rc = bnx2x_flash_download(bp, BP_PORT(bp),
8264 bp->link_params.ext_phy_config,
8265 (bp->state != BNX2X_STATE_CLOSED),
8266 eebuf, eeprom->len);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008267 if ((bp->state == BNX2X_STATE_OPEN) ||
8268 (bp->state == BNX2X_STATE_DISABLED)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008269 rc |= bnx2x_link_reset(&bp->link_params,
8270 &bp->link_vars);
8271 rc |= bnx2x_phy_init(&bp->link_params,
8272 &bp->link_vars);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008273 }
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008274 bnx2x_release_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008275
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008276 } else /* Only the PMF can access the PHY */
8277 return -EINVAL;
8278 else
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008279 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008280
8281 return rc;
8282}
8283
8284static int bnx2x_get_coalesce(struct net_device *dev,
8285 struct ethtool_coalesce *coal)
8286{
8287 struct bnx2x *bp = netdev_priv(dev);
8288
8289 memset(coal, 0, sizeof(struct ethtool_coalesce));
8290
8291 coal->rx_coalesce_usecs = bp->rx_ticks;
8292 coal->tx_coalesce_usecs = bp->tx_ticks;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008293
8294 return 0;
8295}
8296
8297static int bnx2x_set_coalesce(struct net_device *dev,
8298 struct ethtool_coalesce *coal)
8299{
8300 struct bnx2x *bp = netdev_priv(dev);
8301
8302 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
8303 if (bp->rx_ticks > 3000)
8304 bp->rx_ticks = 3000;
8305
8306 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
8307 if (bp->tx_ticks > 0x3000)
8308 bp->tx_ticks = 0x3000;
8309
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008310 if (netif_running(dev))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008311 bnx2x_update_coalesce(bp);
8312
8313 return 0;
8314}
8315
8316static void bnx2x_get_ringparam(struct net_device *dev,
8317 struct ethtool_ringparam *ering)
8318{
8319 struct bnx2x *bp = netdev_priv(dev);
8320
8321 ering->rx_max_pending = MAX_RX_AVAIL;
8322 ering->rx_mini_max_pending = 0;
8323 ering->rx_jumbo_max_pending = 0;
8324
8325 ering->rx_pending = bp->rx_ring_size;
8326 ering->rx_mini_pending = 0;
8327 ering->rx_jumbo_pending = 0;
8328
8329 ering->tx_max_pending = MAX_TX_AVAIL;
8330 ering->tx_pending = bp->tx_ring_size;
8331}
8332
8333static int bnx2x_set_ringparam(struct net_device *dev,
8334 struct ethtool_ringparam *ering)
8335{
8336 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008337 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008338
8339 if ((ering->rx_pending > MAX_RX_AVAIL) ||
8340 (ering->tx_pending > MAX_TX_AVAIL) ||
8341 (ering->tx_pending <= MAX_SKB_FRAGS + 4))
8342 return -EINVAL;
8343
8344 bp->rx_ring_size = ering->rx_pending;
8345 bp->tx_ring_size = ering->tx_pending;
8346
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008347 if (netif_running(dev)) {
8348 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8349 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008350 }
8351
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008352 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008353}
8354
8355static void bnx2x_get_pauseparam(struct net_device *dev,
8356 struct ethtool_pauseparam *epause)
8357{
8358 struct bnx2x *bp = netdev_priv(dev);
8359
David S. Millerc0700f92008-12-16 23:53:20 -08008360 epause->autoneg = (bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) &&
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008361 (bp->link_params.req_line_speed == SPEED_AUTO_NEG);
8362
David S. Millerc0700f92008-12-16 23:53:20 -08008363 epause->rx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_RX) ==
8364 BNX2X_FLOW_CTRL_RX);
8365 epause->tx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX) ==
8366 BNX2X_FLOW_CTRL_TX);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008367
8368 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8369 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8370 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8371}
8372
8373static int bnx2x_set_pauseparam(struct net_device *dev,
8374 struct ethtool_pauseparam *epause)
8375{
8376 struct bnx2x *bp = netdev_priv(dev);
8377
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008378 if (IS_E1HMF(bp))
8379 return 0;
8380
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008381 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8382 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8383 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8384
David S. Millerc0700f92008-12-16 23:53:20 -08008385 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008386
8387 if (epause->rx_pause)
David S. Millerc0700f92008-12-16 23:53:20 -08008388 bp->link_params.req_flow_ctrl |= BNX2X_FLOW_CTRL_RX;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008389
8390 if (epause->tx_pause)
David S. Millerc0700f92008-12-16 23:53:20 -08008391 bp->link_params.req_flow_ctrl |= BNX2X_FLOW_CTRL_TX;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008392
David S. Millerc0700f92008-12-16 23:53:20 -08008393 if (bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO)
8394 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008395
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008396 if (epause->autoneg) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008397 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07008398 DP(NETIF_MSG_LINK, "autoneg not supported\n");
Eliezer Tamirf1410642008-02-28 11:51:50 -08008399 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008400 }
8401
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008402 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
David S. Millerc0700f92008-12-16 23:53:20 -08008403 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008404 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008405
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008406 DP(NETIF_MSG_LINK,
8407 "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008408
8409 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008410 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008411 bnx2x_link_set(bp);
8412 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008413
8414 return 0;
8415}
8416
Vladislav Zolotarovdf0f2342008-08-13 15:53:38 -07008417static int bnx2x_set_flags(struct net_device *dev, u32 data)
8418{
8419 struct bnx2x *bp = netdev_priv(dev);
8420 int changed = 0;
8421 int rc = 0;
8422
8423 /* TPA requires Rx CSUM offloading */
8424 if ((data & ETH_FLAG_LRO) && bp->rx_csum) {
8425 if (!(dev->features & NETIF_F_LRO)) {
8426 dev->features |= NETIF_F_LRO;
8427 bp->flags |= TPA_ENABLE_FLAG;
8428 changed = 1;
8429 }
8430
8431 } else if (dev->features & NETIF_F_LRO) {
8432 dev->features &= ~NETIF_F_LRO;
8433 bp->flags &= ~TPA_ENABLE_FLAG;
8434 changed = 1;
8435 }
8436
8437 if (changed && netif_running(dev)) {
8438 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8439 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
8440 }
8441
8442 return rc;
8443}
8444
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008445static u32 bnx2x_get_rx_csum(struct net_device *dev)
8446{
8447 struct bnx2x *bp = netdev_priv(dev);
8448
8449 return bp->rx_csum;
8450}
8451
8452static int bnx2x_set_rx_csum(struct net_device *dev, u32 data)
8453{
8454 struct bnx2x *bp = netdev_priv(dev);
Vladislav Zolotarovdf0f2342008-08-13 15:53:38 -07008455 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008456
8457 bp->rx_csum = data;
Vladislav Zolotarovdf0f2342008-08-13 15:53:38 -07008458
8459 /* Disable TPA, when Rx CSUM is disabled. Otherwise all
8460 TPA'ed packets will be discarded due to wrong TCP CSUM */
8461 if (!data) {
8462 u32 flags = ethtool_op_get_flags(dev);
8463
8464 rc = bnx2x_set_flags(dev, (flags & ~ETH_FLAG_LRO));
8465 }
8466
8467 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008468}
8469
8470static int bnx2x_set_tso(struct net_device *dev, u32 data)
8471{
Eilon Greenstein755735eb2008-06-23 20:35:13 -07008472 if (data) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008473 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07008474 dev->features |= NETIF_F_TSO6;
8475 } else {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008476 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07008477 dev->features &= ~NETIF_F_TSO6;
8478 }
8479
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008480 return 0;
8481}
8482
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008483static const struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008484 char string[ETH_GSTRING_LEN];
8485} bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008486 { "register_test (offline)" },
8487 { "memory_test (offline)" },
8488 { "loopback_test (offline)" },
8489 { "nvram_test (online)" },
8490 { "interrupt_test (online)" },
8491 { "link_test (online)" },
8492 { "idle check (online)" },
8493 { "MC errors (online)" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008494};
8495
8496static int bnx2x_self_test_count(struct net_device *dev)
8497{
8498 return BNX2X_NUM_TESTS;
8499}
8500
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008501static int bnx2x_test_registers(struct bnx2x *bp)
8502{
8503 int idx, i, rc = -ENODEV;
8504 u32 wr_val = 0;
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008505 int port = BP_PORT(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008506 static const struct {
8507 u32 offset0;
8508 u32 offset1;
8509 u32 mask;
8510 } reg_tbl[] = {
8511/* 0 */ { BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff },
8512 { DORQ_REG_DB_ADDR0, 4, 0xffffffff },
8513 { HC_REG_AGG_INT_0, 4, 0x000003ff },
8514 { PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 },
8515 { PBF_REG_P0_INIT_CRD, 4, 0x000007ff },
8516 { PRS_REG_CID_PORT_0, 4, 0x00ffffff },
8517 { PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff },
8518 { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8519 { PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff },
8520 { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8521/* 10 */ { PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff },
8522 { QM_REG_CONNNUM_0, 4, 0x000fffff },
8523 { TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff },
8524 { SRC_REG_KEYRSS0_0, 40, 0xffffffff },
8525 { SRC_REG_KEYRSS0_7, 40, 0xffffffff },
8526 { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
8527 { XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 },
8528 { XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff },
8529 { NIG_REG_EGRESS_MNG0_FIFO, 20, 0xffffffff },
8530 { NIG_REG_LLH0_T_BIT, 4, 0x00000001 },
8531/* 20 */ { NIG_REG_EMAC0_IN_EN, 4, 0x00000001 },
8532 { NIG_REG_BMAC0_IN_EN, 4, 0x00000001 },
8533 { NIG_REG_XCM0_OUT_EN, 4, 0x00000001 },
8534 { NIG_REG_BRB0_OUT_EN, 4, 0x00000001 },
8535 { NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 },
8536 { NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff },
8537 { NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff },
8538 { NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff },
8539 { NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff },
8540 { NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 },
8541/* 30 */ { NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff },
8542 { NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff },
8543 { NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff },
8544 { NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 },
8545 { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 },
8546 { NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff },
8547 { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
8548 { NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f },
8549
8550 { 0xffffffff, 0, 0x00000000 }
8551 };
8552
8553 if (!netif_running(bp->dev))
8554 return rc;
8555
8556 /* Repeat the test twice:
8557 First by writing 0x00000000, second by writing 0xffffffff */
8558 for (idx = 0; idx < 2; idx++) {
8559
8560 switch (idx) {
8561 case 0:
8562 wr_val = 0;
8563 break;
8564 case 1:
8565 wr_val = 0xffffffff;
8566 break;
8567 }
8568
8569 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
8570 u32 offset, mask, save_val, val;
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008571
8572 offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
8573 mask = reg_tbl[i].mask;
8574
8575 save_val = REG_RD(bp, offset);
8576
8577 REG_WR(bp, offset, wr_val);
8578 val = REG_RD(bp, offset);
8579
8580 /* Restore the original register's value */
8581 REG_WR(bp, offset, save_val);
8582
8583 /* verify that value is as expected value */
8584 if ((val & mask) != (wr_val & mask))
8585 goto test_reg_exit;
8586 }
8587 }
8588
8589 rc = 0;
8590
8591test_reg_exit:
8592 return rc;
8593}
8594
8595static int bnx2x_test_memory(struct bnx2x *bp)
8596{
8597 int i, j, rc = -ENODEV;
8598 u32 val;
8599 static const struct {
8600 u32 offset;
8601 int size;
8602 } mem_tbl[] = {
8603 { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE },
8604 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
8605 { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE },
8606 { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE },
8607 { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE },
8608 { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE },
8609 { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE },
8610
8611 { 0xffffffff, 0 }
8612 };
8613 static const struct {
8614 char *name;
8615 u32 offset;
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008616 u32 e1_mask;
8617 u32 e1h_mask;
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008618 } prty_tbl[] = {
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008619 { "CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS, 0x3ffc0, 0 },
8620 { "CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS, 0x2, 0x2 },
8621 { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0, 0 },
8622 { "TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS, 0x3ffc0, 0 },
8623 { "UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS, 0x3ffc0, 0 },
8624 { "XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS, 0x3ffc1, 0 },
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008625
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008626 { NULL, 0xffffffff, 0, 0 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008627 };
8628
8629 if (!netif_running(bp->dev))
8630 return rc;
8631
8632 /* Go through all the memories */
8633 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
8634 for (j = 0; j < mem_tbl[i].size; j++)
8635 REG_RD(bp, mem_tbl[i].offset + j*4);
8636
8637 /* Check the parity status */
8638 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
8639 val = REG_RD(bp, prty_tbl[i].offset);
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008640 if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) ||
8641 (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask)))) {
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008642 DP(NETIF_MSG_HW,
8643 "%s is 0x%x\n", prty_tbl[i].name, val);
8644 goto test_mem_exit;
8645 }
8646 }
8647
8648 rc = 0;
8649
8650test_mem_exit:
8651 return rc;
8652}
8653
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008654static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up)
8655{
8656 int cnt = 1000;
8657
8658 if (link_up)
8659 while (bnx2x_link_test(bp) && cnt--)
8660 msleep(10);
8661}
8662
8663static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
8664{
8665 unsigned int pkt_size, num_pkts, i;
8666 struct sk_buff *skb;
8667 unsigned char *packet;
8668 struct bnx2x_fastpath *fp = &bp->fp[0];
8669 u16 tx_start_idx, tx_idx;
8670 u16 rx_start_idx, rx_idx;
8671 u16 pkt_prod;
8672 struct sw_tx_bd *tx_buf;
8673 struct eth_tx_bd *tx_bd;
8674 dma_addr_t mapping;
8675 union eth_rx_cqe *cqe;
8676 u8 cqe_fp_flags;
8677 struct sw_rx_bd *rx_buf;
8678 u16 len;
8679 int rc = -ENODEV;
8680
8681 if (loopback_mode == BNX2X_MAC_LOOPBACK) {
8682 bp->link_params.loopback_mode = LOOPBACK_BMAC;
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008683 bnx2x_acquire_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008684 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008685 bnx2x_release_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008686
8687 } else if (loopback_mode == BNX2X_PHY_LOOPBACK) {
8688 bp->link_params.loopback_mode = LOOPBACK_XGXS_10;
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008689 bnx2x_acquire_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008690 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008691 bnx2x_release_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008692 /* wait until link state is restored */
8693 bnx2x_wait_for_link(bp, link_up);
8694
8695 } else
8696 return -EINVAL;
8697
8698 pkt_size = 1514;
8699 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
8700 if (!skb) {
8701 rc = -ENOMEM;
8702 goto test_loopback_exit;
8703 }
8704 packet = skb_put(skb, pkt_size);
8705 memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
8706 memset(packet + ETH_ALEN, 0, (ETH_HLEN - ETH_ALEN));
8707 for (i = ETH_HLEN; i < pkt_size; i++)
8708 packet[i] = (unsigned char) (i & 0xff);
8709
8710 num_pkts = 0;
8711 tx_start_idx = le16_to_cpu(*fp->tx_cons_sb);
8712 rx_start_idx = le16_to_cpu(*fp->rx_cons_sb);
8713
8714 pkt_prod = fp->tx_pkt_prod++;
8715 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
8716 tx_buf->first_bd = fp->tx_bd_prod;
8717 tx_buf->skb = skb;
8718
8719 tx_bd = &fp->tx_desc_ring[TX_BD(fp->tx_bd_prod)];
8720 mapping = pci_map_single(bp->pdev, skb->data,
8721 skb_headlen(skb), PCI_DMA_TODEVICE);
8722 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
8723 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
8724 tx_bd->nbd = cpu_to_le16(1);
8725 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
8726 tx_bd->vlan = cpu_to_le16(pkt_prod);
8727 tx_bd->bd_flags.as_bitfield = (ETH_TX_BD_FLAGS_START_BD |
8728 ETH_TX_BD_FLAGS_END_BD);
8729 tx_bd->general_data = ((UNICAST_ADDRESS <<
8730 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT) | 1);
8731
8732 fp->hw_tx_prods->bds_prod =
8733 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + 1);
8734 mb(); /* FW restriction: must not reorder writing nbd and packets */
8735 fp->hw_tx_prods->packets_prod =
8736 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
8737 DOORBELL(bp, FP_IDX(fp), 0);
8738
8739 mmiowb();
8740
8741 num_pkts++;
8742 fp->tx_bd_prod++;
8743 bp->dev->trans_start = jiffies;
8744
8745 udelay(100);
8746
8747 tx_idx = le16_to_cpu(*fp->tx_cons_sb);
8748 if (tx_idx != tx_start_idx + num_pkts)
8749 goto test_loopback_exit;
8750
8751 rx_idx = le16_to_cpu(*fp->rx_cons_sb);
8752 if (rx_idx != rx_start_idx + num_pkts)
8753 goto test_loopback_exit;
8754
8755 cqe = &fp->rx_comp_ring[RCQ_BD(fp->rx_comp_cons)];
8756 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
8757 if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
8758 goto test_loopback_rx_exit;
8759
8760 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
8761 if (len != pkt_size)
8762 goto test_loopback_rx_exit;
8763
8764 rx_buf = &fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)];
8765 skb = rx_buf->skb;
8766 skb_reserve(skb, cqe->fast_path_cqe.placement_offset);
8767 for (i = ETH_HLEN; i < pkt_size; i++)
8768 if (*(skb->data + i) != (unsigned char) (i & 0xff))
8769 goto test_loopback_rx_exit;
8770
8771 rc = 0;
8772
8773test_loopback_rx_exit:
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008774
8775 fp->rx_bd_cons = NEXT_RX_IDX(fp->rx_bd_cons);
8776 fp->rx_bd_prod = NEXT_RX_IDX(fp->rx_bd_prod);
8777 fp->rx_comp_cons = NEXT_RCQ_IDX(fp->rx_comp_cons);
8778 fp->rx_comp_prod = NEXT_RCQ_IDX(fp->rx_comp_prod);
8779
8780 /* Update producers */
8781 bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod,
8782 fp->rx_sge_prod);
8783 mmiowb(); /* keep prod updates ordered */
8784
8785test_loopback_exit:
8786 bp->link_params.loopback_mode = LOOPBACK_NONE;
8787
8788 return rc;
8789}
8790
8791static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up)
8792{
8793 int rc = 0;
8794
8795 if (!netif_running(bp->dev))
8796 return BNX2X_LOOPBACK_FAILED;
8797
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07008798 bnx2x_netif_stop(bp, 1);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008799
8800 if (bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up)) {
8801 DP(NETIF_MSG_PROBE, "MAC loopback failed\n");
8802 rc |= BNX2X_MAC_LOOPBACK_FAILED;
8803 }
8804
8805 if (bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up)) {
8806 DP(NETIF_MSG_PROBE, "PHY loopback failed\n");
8807 rc |= BNX2X_PHY_LOOPBACK_FAILED;
8808 }
8809
8810 bnx2x_netif_start(bp);
8811
8812 return rc;
8813}
8814
8815#define CRC32_RESIDUAL 0xdebb20e3
8816
8817static int bnx2x_test_nvram(struct bnx2x *bp)
8818{
8819 static const struct {
8820 int offset;
8821 int size;
8822 } nvram_tbl[] = {
8823 { 0, 0x14 }, /* bootstrap */
8824 { 0x14, 0xec }, /* dir */
8825 { 0x100, 0x350 }, /* manuf_info */
8826 { 0x450, 0xf0 }, /* feature_info */
8827 { 0x640, 0x64 }, /* upgrade_key_info */
8828 { 0x6a4, 0x64 },
8829 { 0x708, 0x70 }, /* manuf_key_info */
8830 { 0x778, 0x70 },
8831 { 0, 0 }
8832 };
8833 u32 buf[0x350 / 4];
8834 u8 *data = (u8 *)buf;
8835 int i, rc;
8836 u32 magic, csum;
8837
8838 rc = bnx2x_nvram_read(bp, 0, data, 4);
8839 if (rc) {
8840 DP(NETIF_MSG_PROBE, "magic value read (rc -%d)\n", -rc);
8841 goto test_nvram_exit;
8842 }
8843
8844 magic = be32_to_cpu(buf[0]);
8845 if (magic != 0x669955aa) {
8846 DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
8847 rc = -ENODEV;
8848 goto test_nvram_exit;
8849 }
8850
8851 for (i = 0; nvram_tbl[i].size; i++) {
8852
8853 rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
8854 nvram_tbl[i].size);
8855 if (rc) {
8856 DP(NETIF_MSG_PROBE,
8857 "nvram_tbl[%d] read data (rc -%d)\n", i, -rc);
8858 goto test_nvram_exit;
8859 }
8860
8861 csum = ether_crc_le(nvram_tbl[i].size, data);
8862 if (csum != CRC32_RESIDUAL) {
8863 DP(NETIF_MSG_PROBE,
8864 "nvram_tbl[%d] csum value (0x%08x)\n", i, csum);
8865 rc = -ENODEV;
8866 goto test_nvram_exit;
8867 }
8868 }
8869
8870test_nvram_exit:
8871 return rc;
8872}
8873
8874static int bnx2x_test_intr(struct bnx2x *bp)
8875{
8876 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
8877 int i, rc;
8878
8879 if (!netif_running(bp->dev))
8880 return -ENODEV;
8881
8882 config->hdr.length_6b = 0;
8883 config->hdr.offset = 0;
8884 config->hdr.client_id = BP_CL_ID(bp);
8885 config->hdr.reserved1 = 0;
8886
8887 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
8888 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
8889 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
8890 if (rc == 0) {
8891 bp->set_mac_pending++;
8892 for (i = 0; i < 10; i++) {
8893 if (!bp->set_mac_pending)
8894 break;
8895 msleep_interruptible(10);
8896 }
8897 if (i == 10)
8898 rc = -ENODEV;
8899 }
8900
8901 return rc;
8902}
8903
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008904static void bnx2x_self_test(struct net_device *dev,
8905 struct ethtool_test *etest, u64 *buf)
8906{
8907 struct bnx2x *bp = netdev_priv(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008908
8909 memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
8910
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008911 if (!netif_running(dev))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008912 return;
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008913
Eilon Greenstein33471622008-08-13 15:59:08 -07008914 /* offline tests are not supported in MF mode */
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008915 if (IS_E1HMF(bp))
8916 etest->flags &= ~ETH_TEST_FL_OFFLINE;
8917
8918 if (etest->flags & ETH_TEST_FL_OFFLINE) {
8919 u8 link_up;
8920
8921 link_up = bp->link_vars.link_up;
8922 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8923 bnx2x_nic_load(bp, LOAD_DIAG);
8924 /* wait until link state is restored */
8925 bnx2x_wait_for_link(bp, link_up);
8926
8927 if (bnx2x_test_registers(bp) != 0) {
8928 buf[0] = 1;
8929 etest->flags |= ETH_TEST_FL_FAILED;
8930 }
8931 if (bnx2x_test_memory(bp) != 0) {
8932 buf[1] = 1;
8933 etest->flags |= ETH_TEST_FL_FAILED;
8934 }
8935 buf[2] = bnx2x_test_loopback(bp, link_up);
8936 if (buf[2] != 0)
8937 etest->flags |= ETH_TEST_FL_FAILED;
8938
8939 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8940 bnx2x_nic_load(bp, LOAD_NORMAL);
8941 /* wait until link state is restored */
8942 bnx2x_wait_for_link(bp, link_up);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008943 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008944 if (bnx2x_test_nvram(bp) != 0) {
8945 buf[3] = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008946 etest->flags |= ETH_TEST_FL_FAILED;
8947 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008948 if (bnx2x_test_intr(bp) != 0) {
8949 buf[4] = 1;
8950 etest->flags |= ETH_TEST_FL_FAILED;
8951 }
8952 if (bp->port.pmf)
8953 if (bnx2x_link_test(bp) != 0) {
8954 buf[5] = 1;
8955 etest->flags |= ETH_TEST_FL_FAILED;
8956 }
8957 buf[7] = bnx2x_mc_assert(bp);
8958 if (buf[7] != 0)
8959 etest->flags |= ETH_TEST_FL_FAILED;
8960
8961#ifdef BNX2X_EXTRA_DEBUG
8962 bnx2x_panic_dump(bp);
8963#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008964}
8965
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008966static const struct {
8967 long offset;
8968 int size;
8969 u32 flags;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008970#define STATS_FLAGS_PORT 1
8971#define STATS_FLAGS_FUNC 2
8972 u8 string[ETH_GSTRING_LEN];
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008973} bnx2x_stats_arr[BNX2X_NUM_STATS] = {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008974/* 1 */ { STATS_OFFSET32(valid_bytes_received_hi),
8975 8, STATS_FLAGS_FUNC, "rx_bytes" },
8976 { STATS_OFFSET32(error_bytes_received_hi),
8977 8, STATS_FLAGS_FUNC, "rx_error_bytes" },
8978 { STATS_OFFSET32(total_bytes_transmitted_hi),
8979 8, STATS_FLAGS_FUNC, "tx_bytes" },
8980 { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
8981 8, STATS_FLAGS_PORT, "tx_error_bytes" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008982 { STATS_OFFSET32(total_unicast_packets_received_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008983 8, STATS_FLAGS_FUNC, "rx_ucast_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008984 { STATS_OFFSET32(total_multicast_packets_received_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008985 8, STATS_FLAGS_FUNC, "rx_mcast_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008986 { STATS_OFFSET32(total_broadcast_packets_received_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008987 8, STATS_FLAGS_FUNC, "rx_bcast_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008988 { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008989 8, STATS_FLAGS_FUNC, "tx_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008990 { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008991 8, STATS_FLAGS_PORT, "tx_mac_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008992/* 10 */{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008993 8, STATS_FLAGS_PORT, "tx_carrier_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008994 { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008995 8, STATS_FLAGS_PORT, "rx_crc_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008996 { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008997 8, STATS_FLAGS_PORT, "rx_align_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008998 { STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008999 8, STATS_FLAGS_PORT, "tx_single_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009000 { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009001 8, STATS_FLAGS_PORT, "tx_multi_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009002 { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009003 8, STATS_FLAGS_PORT, "tx_deferred" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009004 { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009005 8, STATS_FLAGS_PORT, "tx_excess_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009006 { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009007 8, STATS_FLAGS_PORT, "tx_late_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009008 { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009009 8, STATS_FLAGS_PORT, "tx_total_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009010 { STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009011 8, STATS_FLAGS_PORT, "rx_fragments" },
9012/* 20 */{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
9013 8, STATS_FLAGS_PORT, "rx_jabbers" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009014 { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009015 8, STATS_FLAGS_PORT, "rx_undersize_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009016 { STATS_OFFSET32(jabber_packets_received),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009017 4, STATS_FLAGS_FUNC, "rx_oversize_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009018 { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009019 8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009020 { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009021 8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009022 { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009023 8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009024 { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009025 8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009026 { STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009027 8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009028 { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009029 8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009030 { STATS_OFFSET32(etherstatspktsover1522octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009031 8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009032/* 30 */{ STATS_OFFSET32(rx_stat_xonpauseframesreceived_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009033 8, STATS_FLAGS_PORT, "rx_xon_frames" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009034 { STATS_OFFSET32(rx_stat_xoffpauseframesreceived_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009035 8, STATS_FLAGS_PORT, "rx_xoff_frames" },
9036 { STATS_OFFSET32(tx_stat_outxonsent_hi),
9037 8, STATS_FLAGS_PORT, "tx_xon_frames" },
9038 { STATS_OFFSET32(tx_stat_outxoffsent_hi),
9039 8, STATS_FLAGS_PORT, "tx_xoff_frames" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009040 { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009041 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
9042 { STATS_OFFSET32(mac_filter_discard),
9043 4, STATS_FLAGS_PORT, "rx_filtered_packets" },
9044 { STATS_OFFSET32(no_buff_discard),
9045 4, STATS_FLAGS_FUNC, "rx_discards" },
9046 { STATS_OFFSET32(xxoverflow_discard),
9047 4, STATS_FLAGS_PORT, "rx_fw_discards" },
9048 { STATS_OFFSET32(brb_drop_hi),
9049 8, STATS_FLAGS_PORT, "brb_discard" },
9050 { STATS_OFFSET32(brb_truncate_hi),
9051 8, STATS_FLAGS_PORT, "brb_truncate" },
9052/* 40 */{ STATS_OFFSET32(rx_err_discard_pkt),
9053 4, STATS_FLAGS_FUNC, "rx_phy_ip_err_discards"},
9054 { STATS_OFFSET32(rx_skb_alloc_failed),
9055 4, STATS_FLAGS_FUNC, "rx_skb_alloc_discard" },
9056/* 42 */{ STATS_OFFSET32(hw_csum_err),
9057 4, STATS_FLAGS_FUNC, "rx_csum_offload_errors" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009058};
9059
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009060#define IS_NOT_E1HMF_STAT(bp, i) \
9061 (IS_E1HMF(bp) && (bnx2x_stats_arr[i].flags & STATS_FLAGS_PORT))
9062
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009063static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
9064{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009065 struct bnx2x *bp = netdev_priv(dev);
9066 int i, j;
9067
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009068 switch (stringset) {
9069 case ETH_SS_STATS:
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009070 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009071 if (IS_NOT_E1HMF_STAT(bp, i))
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009072 continue;
9073 strcpy(buf + j*ETH_GSTRING_LEN,
9074 bnx2x_stats_arr[i].string);
9075 j++;
9076 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009077 break;
9078
9079 case ETH_SS_TEST:
9080 memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
9081 break;
9082 }
9083}
9084
9085static int bnx2x_get_stats_count(struct net_device *dev)
9086{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009087 struct bnx2x *bp = netdev_priv(dev);
9088 int i, num_stats = 0;
9089
9090 for (i = 0; i < BNX2X_NUM_STATS; i++) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009091 if (IS_NOT_E1HMF_STAT(bp, i))
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009092 continue;
9093 num_stats++;
9094 }
9095 return num_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009096}
9097
9098static void bnx2x_get_ethtool_stats(struct net_device *dev,
9099 struct ethtool_stats *stats, u64 *buf)
9100{
9101 struct bnx2x *bp = netdev_priv(dev);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009102 u32 *hw_stats = (u32 *)&bp->eth_stats;
9103 int i, j;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009104
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009105 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009106 if (IS_NOT_E1HMF_STAT(bp, i))
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009107 continue;
9108
9109 if (bnx2x_stats_arr[i].size == 0) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009110 /* skip this counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009111 buf[j] = 0;
9112 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009113 continue;
9114 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009115 if (bnx2x_stats_arr[i].size == 4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009116 /* 4-byte counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009117 buf[j] = (u64) *(hw_stats + bnx2x_stats_arr[i].offset);
9118 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009119 continue;
9120 }
9121 /* 8-byte counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009122 buf[j] = HILO_U64(*(hw_stats + bnx2x_stats_arr[i].offset),
9123 *(hw_stats + bnx2x_stats_arr[i].offset + 1));
9124 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009125 }
9126}
9127
9128static int bnx2x_phys_id(struct net_device *dev, u32 data)
9129{
9130 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009131 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009132 int i;
9133
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009134 if (!netif_running(dev))
9135 return 0;
9136
9137 if (!bp->port.pmf)
9138 return 0;
9139
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009140 if (data == 0)
9141 data = 2;
9142
9143 for (i = 0; i < (data * 2); i++) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009144 if ((i % 2) == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009145 bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009146 bp->link_params.hw_led_mode,
9147 bp->link_params.chip_id);
9148 else
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009149 bnx2x_set_led(bp, port, LED_MODE_OFF, 0,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009150 bp->link_params.hw_led_mode,
9151 bp->link_params.chip_id);
9152
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009153 msleep_interruptible(500);
9154 if (signal_pending(current))
9155 break;
9156 }
9157
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009158 if (bp->link_vars.link_up)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009159 bnx2x_set_led(bp, port, LED_MODE_OPER,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009160 bp->link_vars.line_speed,
9161 bp->link_params.hw_led_mode,
9162 bp->link_params.chip_id);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009163
9164 return 0;
9165}
9166
9167static struct ethtool_ops bnx2x_ethtool_ops = {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009168 .get_settings = bnx2x_get_settings,
9169 .set_settings = bnx2x_set_settings,
9170 .get_drvinfo = bnx2x_get_drvinfo,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009171 .get_wol = bnx2x_get_wol,
9172 .set_wol = bnx2x_set_wol,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009173 .get_msglevel = bnx2x_get_msglevel,
9174 .set_msglevel = bnx2x_set_msglevel,
9175 .nway_reset = bnx2x_nway_reset,
9176 .get_link = ethtool_op_get_link,
9177 .get_eeprom_len = bnx2x_get_eeprom_len,
9178 .get_eeprom = bnx2x_get_eeprom,
9179 .set_eeprom = bnx2x_set_eeprom,
9180 .get_coalesce = bnx2x_get_coalesce,
9181 .set_coalesce = bnx2x_set_coalesce,
9182 .get_ringparam = bnx2x_get_ringparam,
9183 .set_ringparam = bnx2x_set_ringparam,
9184 .get_pauseparam = bnx2x_get_pauseparam,
9185 .set_pauseparam = bnx2x_set_pauseparam,
9186 .get_rx_csum = bnx2x_get_rx_csum,
9187 .set_rx_csum = bnx2x_set_rx_csum,
9188 .get_tx_csum = ethtool_op_get_tx_csum,
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009189 .set_tx_csum = ethtool_op_set_tx_hw_csum,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009190 .set_flags = bnx2x_set_flags,
9191 .get_flags = ethtool_op_get_flags,
9192 .get_sg = ethtool_op_get_sg,
9193 .set_sg = ethtool_op_set_sg,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009194 .get_tso = ethtool_op_get_tso,
9195 .set_tso = bnx2x_set_tso,
9196 .self_test_count = bnx2x_self_test_count,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009197 .self_test = bnx2x_self_test,
9198 .get_strings = bnx2x_get_strings,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009199 .phys_id = bnx2x_phys_id,
9200 .get_stats_count = bnx2x_get_stats_count,
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009201 .get_ethtool_stats = bnx2x_get_ethtool_stats,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009202};
9203
9204/* end of ethtool_ops */
9205
9206/****************************************************************************
9207* General service functions
9208****************************************************************************/
9209
9210static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
9211{
9212 u16 pmcsr;
9213
9214 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
9215
9216 switch (state) {
9217 case PCI_D0:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009218 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009219 ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
9220 PCI_PM_CTRL_PME_STATUS));
9221
9222 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
Eilon Greenstein33471622008-08-13 15:59:08 -07009223 /* delay required during transition out of D3hot */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009224 msleep(20);
9225 break;
9226
9227 case PCI_D3hot:
9228 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
9229 pmcsr |= 3;
9230
9231 if (bp->wol)
9232 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
9233
9234 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
9235 pmcsr);
9236
9237 /* No more memory access after this point until
9238 * device is brought back to D0.
9239 */
9240 break;
9241
9242 default:
9243 return -EINVAL;
9244 }
9245 return 0;
9246}
9247
9248/*
9249 * net_device service functions
9250 */
9251
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009252static int bnx2x_poll(struct napi_struct *napi, int budget)
9253{
9254 struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath,
9255 napi);
9256 struct bnx2x *bp = fp->bp;
9257 int work_done = 0;
Eilon Greenstein2772f902008-08-25 15:19:17 -07009258 u16 rx_cons_sb;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009259
9260#ifdef BNX2X_STOP_ON_ERROR
9261 if (unlikely(bp->panic))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009262 goto poll_panic;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009263#endif
9264
9265 prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb);
9266 prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb);
9267 prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256);
9268
9269 bnx2x_update_fpsb_idx(fp);
9270
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009271 if (BNX2X_HAS_TX_WORK(fp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009272 bnx2x_tx_int(fp, budget);
9273
Eilon Greenstein2772f902008-08-25 15:19:17 -07009274 rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
9275 if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
9276 rx_cons_sb++;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009277 if (BNX2X_HAS_RX_WORK(fp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009278 work_done = bnx2x_rx_int(fp, budget);
9279
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009280 rmb(); /* BNX2X_HAS_WORK() reads the status block */
Eilon Greenstein2772f902008-08-25 15:19:17 -07009281 rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
9282 if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
9283 rx_cons_sb++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009284
9285 /* must not complete if we consumed full budget */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009286 if ((work_done < budget) && !BNX2X_HAS_WORK(fp)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009287
9288#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009289poll_panic:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009290#endif
Neil Horman908a7a12008-12-22 20:43:12 -08009291 netif_rx_complete(napi);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009292
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009293 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009294 le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009295 bnx2x_ack_sb(bp, FP_SB_ID(fp), CSTORM_ID,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009296 le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
9297 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009298 return work_done;
9299}
9300
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009301
9302/* we split the first BD into headers and data BDs
Eilon Greenstein33471622008-08-13 15:59:08 -07009303 * to ease the pain of our fellow microcode engineers
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009304 * we use one mapping for both BDs
9305 * So far this has only been observed to happen
9306 * in Other Operating Systems(TM)
9307 */
9308static noinline u16 bnx2x_tx_split(struct bnx2x *bp,
9309 struct bnx2x_fastpath *fp,
9310 struct eth_tx_bd **tx_bd, u16 hlen,
9311 u16 bd_prod, int nbd)
9312{
9313 struct eth_tx_bd *h_tx_bd = *tx_bd;
9314 struct eth_tx_bd *d_tx_bd;
9315 dma_addr_t mapping;
9316 int old_len = le16_to_cpu(h_tx_bd->nbytes);
9317
9318 /* first fix first BD */
9319 h_tx_bd->nbd = cpu_to_le16(nbd);
9320 h_tx_bd->nbytes = cpu_to_le16(hlen);
9321
9322 DP(NETIF_MSG_TX_QUEUED, "TSO split header size is %d "
9323 "(%x:%x) nbd %d\n", h_tx_bd->nbytes, h_tx_bd->addr_hi,
9324 h_tx_bd->addr_lo, h_tx_bd->nbd);
9325
9326 /* now get a new data BD
9327 * (after the pbd) and fill it */
9328 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9329 d_tx_bd = &fp->tx_desc_ring[bd_prod];
9330
9331 mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi),
9332 le32_to_cpu(h_tx_bd->addr_lo)) + hlen;
9333
9334 d_tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9335 d_tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9336 d_tx_bd->nbytes = cpu_to_le16(old_len - hlen);
9337 d_tx_bd->vlan = 0;
9338 /* this marks the BD as one that has no individual mapping
9339 * the FW ignores this flag in a BD not marked start
9340 */
9341 d_tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO;
9342 DP(NETIF_MSG_TX_QUEUED,
9343 "TSO split data size is %d (%x:%x)\n",
9344 d_tx_bd->nbytes, d_tx_bd->addr_hi, d_tx_bd->addr_lo);
9345
9346 /* update tx_bd for marking the last BD flag */
9347 *tx_bd = d_tx_bd;
9348
9349 return bd_prod;
9350}
9351
9352static inline u16 bnx2x_csum_fix(unsigned char *t_header, u16 csum, s8 fix)
9353{
9354 if (fix > 0)
9355 csum = (u16) ~csum_fold(csum_sub(csum,
9356 csum_partial(t_header - fix, fix, 0)));
9357
9358 else if (fix < 0)
9359 csum = (u16) ~csum_fold(csum_add(csum,
9360 csum_partial(t_header, -fix, 0)));
9361
9362 return swab16(csum);
9363}
9364
9365static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
9366{
9367 u32 rc;
9368
9369 if (skb->ip_summed != CHECKSUM_PARTIAL)
9370 rc = XMIT_PLAIN;
9371
9372 else {
9373 if (skb->protocol == ntohs(ETH_P_IPV6)) {
9374 rc = XMIT_CSUM_V6;
9375 if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
9376 rc |= XMIT_CSUM_TCP;
9377
9378 } else {
9379 rc = XMIT_CSUM_V4;
9380 if (ip_hdr(skb)->protocol == IPPROTO_TCP)
9381 rc |= XMIT_CSUM_TCP;
9382 }
9383 }
9384
9385 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4)
9386 rc |= XMIT_GSO_V4;
9387
9388 else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
9389 rc |= XMIT_GSO_V6;
9390
9391 return rc;
9392}
9393
9394/* check if packet requires linearization (packet is too fragmented) */
9395static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
9396 u32 xmit_type)
9397{
9398 int to_copy = 0;
9399 int hlen = 0;
9400 int first_bd_sz = 0;
9401
9402 /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
9403 if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) {
9404
9405 if (xmit_type & XMIT_GSO) {
9406 unsigned short lso_mss = skb_shinfo(skb)->gso_size;
9407 /* Check if LSO packet needs to be copied:
9408 3 = 1 (for headers BD) + 2 (for PBD and last BD) */
9409 int wnd_size = MAX_FETCH_BD - 3;
Eilon Greenstein33471622008-08-13 15:59:08 -07009410 /* Number of windows to check */
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009411 int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size;
9412 int wnd_idx = 0;
9413 int frag_idx = 0;
9414 u32 wnd_sum = 0;
9415
9416 /* Headers length */
9417 hlen = (int)(skb_transport_header(skb) - skb->data) +
9418 tcp_hdrlen(skb);
9419
9420 /* Amount of data (w/o headers) on linear part of SKB*/
9421 first_bd_sz = skb_headlen(skb) - hlen;
9422
9423 wnd_sum = first_bd_sz;
9424
9425 /* Calculate the first sum - it's special */
9426 for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++)
9427 wnd_sum +=
9428 skb_shinfo(skb)->frags[frag_idx].size;
9429
9430 /* If there was data on linear skb data - check it */
9431 if (first_bd_sz > 0) {
9432 if (unlikely(wnd_sum < lso_mss)) {
9433 to_copy = 1;
9434 goto exit_lbl;
9435 }
9436
9437 wnd_sum -= first_bd_sz;
9438 }
9439
9440 /* Others are easier: run through the frag list and
9441 check all windows */
9442 for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) {
9443 wnd_sum +=
9444 skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size;
9445
9446 if (unlikely(wnd_sum < lso_mss)) {
9447 to_copy = 1;
9448 break;
9449 }
9450 wnd_sum -=
9451 skb_shinfo(skb)->frags[wnd_idx].size;
9452 }
9453
9454 } else {
9455 /* in non-LSO too fragmented packet should always
9456 be linearized */
9457 to_copy = 1;
9458 }
9459 }
9460
9461exit_lbl:
9462 if (unlikely(to_copy))
9463 DP(NETIF_MSG_TX_QUEUED,
9464 "Linearization IS REQUIRED for %s packet. "
9465 "num_frags %d hlen %d first_bd_sz %d\n",
9466 (xmit_type & XMIT_GSO) ? "LSO" : "non-LSO",
9467 skb_shinfo(skb)->nr_frags, hlen, first_bd_sz);
9468
9469 return to_copy;
9470}
9471
9472/* called with netif_tx_lock
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009473 * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009474 * netif_wake_queue()
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009475 */
9476static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
9477{
9478 struct bnx2x *bp = netdev_priv(dev);
9479 struct bnx2x_fastpath *fp;
9480 struct sw_tx_bd *tx_buf;
9481 struct eth_tx_bd *tx_bd;
9482 struct eth_tx_parse_bd *pbd = NULL;
9483 u16 pkt_prod, bd_prod;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009484 int nbd, fp_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009485 dma_addr_t mapping;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009486 u32 xmit_type = bnx2x_xmit_type(bp, skb);
9487 int vlan_off = (bp->e1hov ? 4 : 0);
9488 int i;
9489 u8 hlen = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009490
9491#ifdef BNX2X_STOP_ON_ERROR
9492 if (unlikely(bp->panic))
9493 return NETDEV_TX_BUSY;
9494#endif
9495
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009496 fp_index = (smp_processor_id() % bp->num_queues);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009497 fp = &bp->fp[fp_index];
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009498
Yitchak Gertner231fd582008-08-25 15:27:06 -07009499 if (unlikely(bnx2x_tx_avail(fp) < (skb_shinfo(skb)->nr_frags + 3))) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009500 bp->eth_stats.driver_xoff++,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009501 netif_stop_queue(dev);
9502 BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
9503 return NETDEV_TX_BUSY;
9504 }
9505
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009506 DP(NETIF_MSG_TX_QUEUED, "SKB: summed %x protocol %x protocol(%x,%x)"
9507 " gso type %x xmit_type %x\n",
9508 skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr,
9509 ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type);
9510
Eilon Greenstein33471622008-08-13 15:59:08 -07009511 /* First, check if we need to linearize the skb
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009512 (due to FW restrictions) */
9513 if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) {
9514 /* Statistics of linearization */
9515 bp->lin_cnt++;
9516 if (skb_linearize(skb) != 0) {
9517 DP(NETIF_MSG_TX_QUEUED, "SKB linearization failed - "
9518 "silently dropping this SKB\n");
9519 dev_kfree_skb_any(skb);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009520 return NETDEV_TX_OK;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009521 }
9522 }
9523
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009524 /*
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009525 Please read carefully. First we use one BD which we mark as start,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009526 then for TSO or xsum we have a parsing info BD,
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009527 and only then we have the rest of the TSO BDs.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009528 (don't forget to mark the last one as last,
9529 and to unmap only AFTER you write to the BD ...)
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009530 And above all, all pdb sizes are in words - NOT DWORDS!
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009531 */
9532
9533 pkt_prod = fp->tx_pkt_prod++;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009534 bd_prod = TX_BD(fp->tx_bd_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009535
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009536 /* get a tx_buf and first BD */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009537 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
9538 tx_bd = &fp->tx_desc_ring[bd_prod];
9539
9540 tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
9541 tx_bd->general_data = (UNICAST_ADDRESS <<
9542 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT);
Eilon Greenstein3196a882008-08-13 15:58:49 -07009543 /* header nbd */
9544 tx_bd->general_data |= (1 << ETH_TX_BD_HDR_NBDS_SHIFT);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009545
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009546 /* remember the first BD of the packet */
9547 tx_buf->first_bd = fp->tx_bd_prod;
9548 tx_buf->skb = skb;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009549
9550 DP(NETIF_MSG_TX_QUEUED,
9551 "sending pkt %u @%p next_idx %u bd %u @%p\n",
9552 pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_bd);
9553
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009554 if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb)) {
9555 tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb));
9556 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009557 vlan_off += 4;
9558 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009559 tx_bd->vlan = cpu_to_le16(pkt_prod);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009560
9561 if (xmit_type) {
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009562 /* turn on parsing and get a BD */
9563 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9564 pbd = (void *)&fp->tx_desc_ring[bd_prod];
9565
9566 memset(pbd, 0, sizeof(struct eth_tx_parse_bd));
9567 }
9568
9569 if (xmit_type & XMIT_CSUM) {
9570 hlen = (skb_network_header(skb) - skb->data + vlan_off) / 2;
9571
9572 /* for now NS flag is not used in Linux */
9573 pbd->global_data = (hlen |
9574 ((skb->protocol == ntohs(ETH_P_8021Q)) <<
9575 ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT));
9576
9577 pbd->ip_hlen = (skb_transport_header(skb) -
9578 skb_network_header(skb)) / 2;
9579
9580 hlen += pbd->ip_hlen + tcp_hdrlen(skb) / 2;
9581
9582 pbd->total_hlen = cpu_to_le16(hlen);
9583 hlen = hlen*2 - vlan_off;
9584
9585 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM;
9586
9587 if (xmit_type & XMIT_CSUM_V4)
9588 tx_bd->bd_flags.as_bitfield |=
9589 ETH_TX_BD_FLAGS_IP_CSUM;
9590 else
9591 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IPV6;
9592
9593 if (xmit_type & XMIT_CSUM_TCP) {
9594 pbd->tcp_pseudo_csum = swab16(tcp_hdr(skb)->check);
9595
9596 } else {
9597 s8 fix = SKB_CS_OFF(skb); /* signed! */
9598
9599 pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG;
9600 pbd->cs_offset = fix / 2;
9601
9602 DP(NETIF_MSG_TX_QUEUED,
9603 "hlen %d offset %d fix %d csum before fix %x\n",
9604 le16_to_cpu(pbd->total_hlen), pbd->cs_offset, fix,
9605 SKB_CS(skb));
9606
9607 /* HW bug: fixup the CSUM */
9608 pbd->tcp_pseudo_csum =
9609 bnx2x_csum_fix(skb_transport_header(skb),
9610 SKB_CS(skb), fix);
9611
9612 DP(NETIF_MSG_TX_QUEUED, "csum after fix %x\n",
9613 pbd->tcp_pseudo_csum);
9614 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009615 }
9616
9617 mapping = pci_map_single(bp->pdev, skb->data,
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009618 skb_headlen(skb), PCI_DMA_TODEVICE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009619
9620 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9621 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
Eilon Greenstein6378c022008-08-13 15:59:25 -07009622 nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL) ? 1 : 2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009623 tx_bd->nbd = cpu_to_le16(nbd);
9624 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
9625
9626 DP(NETIF_MSG_TX_QUEUED, "first bd @%p addr (%x:%x) nbd %d"
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009627 " nbytes %d flags %x vlan %x\n",
9628 tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, le16_to_cpu(tx_bd->nbd),
9629 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield,
9630 le16_to_cpu(tx_bd->vlan));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009631
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009632 if (xmit_type & XMIT_GSO) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009633
9634 DP(NETIF_MSG_TX_QUEUED,
9635 "TSO packet len %d hlen %d total len %d tso size %d\n",
9636 skb->len, hlen, skb_headlen(skb),
9637 skb_shinfo(skb)->gso_size);
9638
9639 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO;
9640
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009641 if (unlikely(skb_headlen(skb) > hlen))
9642 bd_prod = bnx2x_tx_split(bp, fp, &tx_bd, hlen,
9643 bd_prod, ++nbd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009644
9645 pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
9646 pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009647 pbd->tcp_flags = pbd_tcp_flags(skb);
9648
9649 if (xmit_type & XMIT_GSO_V4) {
9650 pbd->ip_id = swab16(ip_hdr(skb)->id);
9651 pbd->tcp_pseudo_csum =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009652 swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr,
9653 ip_hdr(skb)->daddr,
9654 0, IPPROTO_TCP, 0));
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009655
9656 } else
9657 pbd->tcp_pseudo_csum =
9658 swab16(~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
9659 &ipv6_hdr(skb)->daddr,
9660 0, IPPROTO_TCP, 0));
9661
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009662 pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN;
9663 }
9664
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009665 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
9666 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009667
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009668 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9669 tx_bd = &fp->tx_desc_ring[bd_prod];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009670
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009671 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
9672 frag->size, PCI_DMA_TODEVICE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009673
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009674 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9675 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9676 tx_bd->nbytes = cpu_to_le16(frag->size);
9677 tx_bd->vlan = cpu_to_le16(pkt_prod);
9678 tx_bd->bd_flags.as_bitfield = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009679
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009680 DP(NETIF_MSG_TX_QUEUED,
9681 "frag %d bd @%p addr (%x:%x) nbytes %d flags %x\n",
9682 i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo,
9683 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009684 }
9685
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009686 /* now at last mark the BD as the last BD */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009687 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD;
9688
9689 DP(NETIF_MSG_TX_QUEUED, "last bd @%p flags %x\n",
9690 tx_bd, tx_bd->bd_flags.as_bitfield);
9691
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009692 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9693
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009694 /* now send a tx doorbell, counting the next BD
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009695 * if the packet contains or ends with it
9696 */
9697 if (TX_BD_POFF(bd_prod) < nbd)
9698 nbd++;
9699
9700 if (pbd)
9701 DP(NETIF_MSG_TX_QUEUED,
9702 "PBD @%p ip_data %x ip_hlen %u ip_id %u lso_mss %u"
9703 " tcp_flags %x xsum %x seq %u hlen %u\n",
9704 pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id,
9705 pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum,
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009706 pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009707
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009708 DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d bd %u\n", nbd, bd_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009709
Eliezer Tamir96fc1782008-02-28 11:57:55 -08009710 fp->hw_tx_prods->bds_prod =
9711 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + nbd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009712 mb(); /* FW restriction: must not reorder writing nbd and packets */
Eliezer Tamir96fc1782008-02-28 11:57:55 -08009713 fp->hw_tx_prods->packets_prod =
9714 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009715 DOORBELL(bp, FP_IDX(fp), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009716
9717 mmiowb();
9718
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009719 fp->tx_bd_prod += nbd;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009720 dev->trans_start = jiffies;
9721
9722 if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
9723 netif_stop_queue(dev);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009724 bp->eth_stats.driver_xoff++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009725 if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
9726 netif_wake_queue(dev);
9727 }
9728 fp->tx_pkt++;
9729
9730 return NETDEV_TX_OK;
9731}
9732
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009733/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009734static int bnx2x_open(struct net_device *dev)
9735{
9736 struct bnx2x *bp = netdev_priv(dev);
9737
9738 bnx2x_set_power_state(bp, PCI_D0);
9739
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009740 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009741}
9742
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009743/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009744static int bnx2x_close(struct net_device *dev)
9745{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009746 struct bnx2x *bp = netdev_priv(dev);
9747
9748 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009749 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
9750 if (atomic_read(&bp->pdev->enable_cnt) == 1)
9751 if (!CHIP_REV_IS_SLOW(bp))
9752 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009753
9754 return 0;
9755}
9756
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009757/* called with netif_tx_lock from set_multicast */
9758static void bnx2x_set_rx_mode(struct net_device *dev)
9759{
9760 struct bnx2x *bp = netdev_priv(dev);
9761 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
9762 int port = BP_PORT(bp);
9763
9764 if (bp->state != BNX2X_STATE_OPEN) {
9765 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
9766 return;
9767 }
9768
9769 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
9770
9771 if (dev->flags & IFF_PROMISC)
9772 rx_mode = BNX2X_RX_MODE_PROMISC;
9773
9774 else if ((dev->flags & IFF_ALLMULTI) ||
9775 ((dev->mc_count > BNX2X_MAX_MULTICAST) && CHIP_IS_E1(bp)))
9776 rx_mode = BNX2X_RX_MODE_ALLMULTI;
9777
9778 else { /* some multicasts */
9779 if (CHIP_IS_E1(bp)) {
9780 int i, old, offset;
9781 struct dev_mc_list *mclist;
9782 struct mac_configuration_cmd *config =
9783 bnx2x_sp(bp, mcast_config);
9784
9785 for (i = 0, mclist = dev->mc_list;
9786 mclist && (i < dev->mc_count);
9787 i++, mclist = mclist->next) {
9788
9789 config->config_table[i].
9790 cam_entry.msb_mac_addr =
9791 swab16(*(u16 *)&mclist->dmi_addr[0]);
9792 config->config_table[i].
9793 cam_entry.middle_mac_addr =
9794 swab16(*(u16 *)&mclist->dmi_addr[2]);
9795 config->config_table[i].
9796 cam_entry.lsb_mac_addr =
9797 swab16(*(u16 *)&mclist->dmi_addr[4]);
9798 config->config_table[i].cam_entry.flags =
9799 cpu_to_le16(port);
9800 config->config_table[i].
9801 target_table_entry.flags = 0;
9802 config->config_table[i].
9803 target_table_entry.client_id = 0;
9804 config->config_table[i].
9805 target_table_entry.vlan_id = 0;
9806
9807 DP(NETIF_MSG_IFUP,
9808 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
9809 config->config_table[i].
9810 cam_entry.msb_mac_addr,
9811 config->config_table[i].
9812 cam_entry.middle_mac_addr,
9813 config->config_table[i].
9814 cam_entry.lsb_mac_addr);
9815 }
9816 old = config->hdr.length_6b;
9817 if (old > i) {
9818 for (; i < old; i++) {
9819 if (CAM_IS_INVALID(config->
9820 config_table[i])) {
9821 i--; /* already invalidated */
9822 break;
9823 }
9824 /* invalidate */
9825 CAM_INVALIDATE(config->
9826 config_table[i]);
9827 }
9828 }
9829
9830 if (CHIP_REV_IS_SLOW(bp))
9831 offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
9832 else
9833 offset = BNX2X_MAX_MULTICAST*(1 + port);
9834
9835 config->hdr.length_6b = i;
9836 config->hdr.offset = offset;
9837 config->hdr.client_id = BP_CL_ID(bp);
9838 config->hdr.reserved1 = 0;
9839
9840 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
9841 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
9842 U64_LO(bnx2x_sp_mapping(bp, mcast_config)),
9843 0);
9844 } else { /* E1H */
9845 /* Accept one or more multicasts */
9846 struct dev_mc_list *mclist;
9847 u32 mc_filter[MC_HASH_SIZE];
9848 u32 crc, bit, regidx;
9849 int i;
9850
9851 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
9852
9853 for (i = 0, mclist = dev->mc_list;
9854 mclist && (i < dev->mc_count);
9855 i++, mclist = mclist->next) {
9856
Johannes Berg7c510e42008-10-27 17:47:26 -07009857 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
9858 mclist->dmi_addr);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009859
9860 crc = crc32c_le(0, mclist->dmi_addr, ETH_ALEN);
9861 bit = (crc >> 24) & 0xff;
9862 regidx = bit >> 5;
9863 bit &= 0x1f;
9864 mc_filter[regidx] |= (1 << bit);
9865 }
9866
9867 for (i = 0; i < MC_HASH_SIZE; i++)
9868 REG_WR(bp, MC_HASH_OFFSET(bp, i),
9869 mc_filter[i]);
9870 }
9871 }
9872
9873 bp->rx_mode = rx_mode;
9874 bnx2x_set_storm_rx_mode(bp);
9875}
9876
9877/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009878static int bnx2x_change_mac_addr(struct net_device *dev, void *p)
9879{
9880 struct sockaddr *addr = p;
9881 struct bnx2x *bp = netdev_priv(dev);
9882
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009883 if (!is_valid_ether_addr((u8 *)(addr->sa_data)))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009884 return -EINVAL;
9885
9886 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009887 if (netif_running(dev)) {
9888 if (CHIP_IS_E1(bp))
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07009889 bnx2x_set_mac_addr_e1(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009890 else
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07009891 bnx2x_set_mac_addr_e1h(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009892 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009893
9894 return 0;
9895}
9896
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009897/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009898static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9899{
9900 struct mii_ioctl_data *data = if_mii(ifr);
9901 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein3196a882008-08-13 15:58:49 -07009902 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009903 int err;
9904
9905 switch (cmd) {
9906 case SIOCGMIIPHY:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009907 data->phy_id = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009908
Eliezer Tamirc14423f2008-02-28 11:49:42 -08009909 /* fallthrough */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009910
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009911 case SIOCGMIIREG: {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009912 u16 mii_regval;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009913
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009914 if (!netif_running(dev))
9915 return -EAGAIN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009916
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009917 mutex_lock(&bp->port.phy_mutex);
Eilon Greenstein3196a882008-08-13 15:58:49 -07009918 err = bnx2x_cl45_read(bp, port, 0, bp->port.phy_addr,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009919 DEFAULT_PHY_DEV_ADDR,
9920 (data->reg_num & 0x1f), &mii_regval);
9921 data->val_out = mii_regval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009922 mutex_unlock(&bp->port.phy_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009923 return err;
9924 }
9925
9926 case SIOCSMIIREG:
9927 if (!capable(CAP_NET_ADMIN))
9928 return -EPERM;
9929
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009930 if (!netif_running(dev))
9931 return -EAGAIN;
9932
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009933 mutex_lock(&bp->port.phy_mutex);
Eilon Greenstein3196a882008-08-13 15:58:49 -07009934 err = bnx2x_cl45_write(bp, port, 0, bp->port.phy_addr,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009935 DEFAULT_PHY_DEV_ADDR,
9936 (data->reg_num & 0x1f), data->val_in);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009937 mutex_unlock(&bp->port.phy_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009938 return err;
9939
9940 default:
9941 /* do nothing */
9942 break;
9943 }
9944
9945 return -EOPNOTSUPP;
9946}
9947
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009948/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009949static int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
9950{
9951 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009952 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009953
9954 if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) ||
9955 ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE))
9956 return -EINVAL;
9957
9958 /* This does not race with packet allocation
Eliezer Tamirc14423f2008-02-28 11:49:42 -08009959 * because the actual alloc size is
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009960 * only updated as part of load
9961 */
9962 dev->mtu = new_mtu;
9963
9964 if (netif_running(dev)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009965 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
9966 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009967 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009968
9969 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009970}
9971
9972static void bnx2x_tx_timeout(struct net_device *dev)
9973{
9974 struct bnx2x *bp = netdev_priv(dev);
9975
9976#ifdef BNX2X_STOP_ON_ERROR
9977 if (!bp->panic)
9978 bnx2x_panic();
9979#endif
9980 /* This allows the netif to be shutdown gracefully before resetting */
9981 schedule_work(&bp->reset_task);
9982}
9983
9984#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009985/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009986static void bnx2x_vlan_rx_register(struct net_device *dev,
9987 struct vlan_group *vlgrp)
9988{
9989 struct bnx2x *bp = netdev_priv(dev);
9990
9991 bp->vlgrp = vlgrp;
9992 if (netif_running(dev))
Eliezer Tamir49d66772008-02-28 11:53:13 -08009993 bnx2x_set_client_config(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009994}
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009995
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009996#endif
9997
9998#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
9999static void poll_bnx2x(struct net_device *dev)
10000{
10001 struct bnx2x *bp = netdev_priv(dev);
10002
10003 disable_irq(bp->pdev->irq);
10004 bnx2x_interrupt(bp->pdev->irq, dev);
10005 enable_irq(bp->pdev->irq);
10006}
10007#endif
10008
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010009static const struct net_device_ops bnx2x_netdev_ops = {
10010 .ndo_open = bnx2x_open,
10011 .ndo_stop = bnx2x_close,
10012 .ndo_start_xmit = bnx2x_start_xmit,
10013 .ndo_set_multicast_list = bnx2x_set_rx_mode,
10014 .ndo_set_mac_address = bnx2x_change_mac_addr,
10015 .ndo_validate_addr = eth_validate_addr,
10016 .ndo_do_ioctl = bnx2x_ioctl,
10017 .ndo_change_mtu = bnx2x_change_mtu,
10018 .ndo_tx_timeout = bnx2x_tx_timeout,
10019#ifdef BCM_VLAN
10020 .ndo_vlan_rx_register = bnx2x_vlan_rx_register,
10021#endif
10022#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
10023 .ndo_poll_controller = poll_bnx2x,
10024#endif
10025};
10026
10027
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010028static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
10029 struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010030{
10031 struct bnx2x *bp;
10032 int rc;
10033
10034 SET_NETDEV_DEV(dev, &pdev->dev);
10035 bp = netdev_priv(dev);
10036
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010037 bp->dev = dev;
10038 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010039 bp->flags = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010040 bp->func = PCI_FUNC(pdev->devfn);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010041
10042 rc = pci_enable_device(pdev);
10043 if (rc) {
10044 printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n");
10045 goto err_out;
10046 }
10047
10048 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
10049 printk(KERN_ERR PFX "Cannot find PCI device base address,"
10050 " aborting\n");
10051 rc = -ENODEV;
10052 goto err_out_disable;
10053 }
10054
10055 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
10056 printk(KERN_ERR PFX "Cannot find second PCI device"
10057 " base address, aborting\n");
10058 rc = -ENODEV;
10059 goto err_out_disable;
10060 }
10061
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010062 if (atomic_read(&pdev->enable_cnt) == 1) {
10063 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
10064 if (rc) {
10065 printk(KERN_ERR PFX "Cannot obtain PCI resources,"
10066 " aborting\n");
10067 goto err_out_disable;
10068 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010069
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010070 pci_set_master(pdev);
10071 pci_save_state(pdev);
10072 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010073
10074 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
10075 if (bp->pm_cap == 0) {
10076 printk(KERN_ERR PFX "Cannot find power management"
10077 " capability, aborting\n");
10078 rc = -EIO;
10079 goto err_out_release;
10080 }
10081
10082 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
10083 if (bp->pcie_cap == 0) {
10084 printk(KERN_ERR PFX "Cannot find PCI Express capability,"
10085 " aborting\n");
10086 rc = -EIO;
10087 goto err_out_release;
10088 }
10089
10090 if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
10091 bp->flags |= USING_DAC_FLAG;
10092 if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
10093 printk(KERN_ERR PFX "pci_set_consistent_dma_mask"
10094 " failed, aborting\n");
10095 rc = -EIO;
10096 goto err_out_release;
10097 }
10098
10099 } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
10100 printk(KERN_ERR PFX "System does not support DMA,"
10101 " aborting\n");
10102 rc = -EIO;
10103 goto err_out_release;
10104 }
10105
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010106 dev->mem_start = pci_resource_start(pdev, 0);
10107 dev->base_addr = dev->mem_start;
10108 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010109
10110 dev->irq = pdev->irq;
10111
Arjan van de Ven275f1652008-10-20 21:42:39 -070010112 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010113 if (!bp->regview) {
10114 printk(KERN_ERR PFX "Cannot map register space, aborting\n");
10115 rc = -ENOMEM;
10116 goto err_out_release;
10117 }
10118
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010119 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
10120 min_t(u64, BNX2X_DB_SIZE,
10121 pci_resource_len(pdev, 2)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010122 if (!bp->doorbells) {
10123 printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n");
10124 rc = -ENOMEM;
10125 goto err_out_unmap;
10126 }
10127
10128 bnx2x_set_power_state(bp, PCI_D0);
10129
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010130 /* clean indirect addresses */
10131 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
10132 PCICFG_VENDOR_ID_OFFSET);
10133 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
10134 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
10135 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
10136 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010137
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010138 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010139
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010140 dev->netdev_ops = &bnx2x_netdev_ops;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010141 dev->ethtool_ops = &bnx2x_ethtool_ops;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010142 dev->features |= NETIF_F_SG;
10143 dev->features |= NETIF_F_HW_CSUM;
10144 if (bp->flags & USING_DAC_FLAG)
10145 dev->features |= NETIF_F_HIGHDMA;
10146#ifdef BCM_VLAN
10147 dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
10148#endif
10149 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735eb2008-06-23 20:35:13 -070010150 dev->features |= NETIF_F_TSO6;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010151
10152 return 0;
10153
10154err_out_unmap:
10155 if (bp->regview) {
10156 iounmap(bp->regview);
10157 bp->regview = NULL;
10158 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010159 if (bp->doorbells) {
10160 iounmap(bp->doorbells);
10161 bp->doorbells = NULL;
10162 }
10163
10164err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010165 if (atomic_read(&pdev->enable_cnt) == 1)
10166 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010167
10168err_out_disable:
10169 pci_disable_device(pdev);
10170 pci_set_drvdata(pdev, NULL);
10171
10172err_out:
10173 return rc;
10174}
10175
Eliezer Tamir25047952008-02-28 11:50:16 -080010176static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp)
10177{
10178 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10179
10180 val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
10181 return val;
10182}
10183
10184/* return value of 1=2.5GHz 2=5GHz */
10185static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp)
10186{
10187 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10188
10189 val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
10190 return val;
10191}
10192
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010193static int __devinit bnx2x_init_one(struct pci_dev *pdev,
10194 const struct pci_device_id *ent)
10195{
10196 static int version_printed;
10197 struct net_device *dev = NULL;
10198 struct bnx2x *bp;
Eliezer Tamir25047952008-02-28 11:50:16 -080010199 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010200
10201 if (version_printed++ == 0)
10202 printk(KERN_INFO "%s", version);
10203
10204 /* dev zeroed in init_etherdev */
10205 dev = alloc_etherdev(sizeof(*bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010206 if (!dev) {
10207 printk(KERN_ERR PFX "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010208 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010209 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010210
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010211 bp = netdev_priv(dev);
10212 bp->msglevel = debug;
10213
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010214 rc = bnx2x_init_dev(pdev, dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010215 if (rc < 0) {
10216 free_netdev(dev);
10217 return rc;
10218 }
10219
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010220 rc = register_netdev(dev);
10221 if (rc) {
Eliezer Tamirc14423f2008-02-28 11:49:42 -080010222 dev_err(&pdev->dev, "Cannot register net device\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010223 goto init_one_exit;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010224 }
10225
10226 pci_set_drvdata(pdev, dev);
10227
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010228 rc = bnx2x_init_bp(bp);
10229 if (rc) {
10230 unregister_netdev(dev);
10231 goto init_one_exit;
10232 }
10233
Eilon Greenstein12b56ea2008-11-03 16:46:40 -080010234 netif_carrier_off(dev);
10235
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010236 bp->common.name = board_info[ent->driver_data].name;
Eliezer Tamir25047952008-02-28 11:50:16 -080010237 printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx,"
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010238 " IRQ %d, ", dev->name, bp->common.name,
10239 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
Eliezer Tamir25047952008-02-28 11:50:16 -080010240 bnx2x_get_pcie_width(bp),
10241 (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz",
10242 dev->base_addr, bp->pdev->irq);
Johannes Berge1749612008-10-27 15:59:26 -070010243 printk(KERN_CONT "node addr %pM\n", dev->dev_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010244 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010245
10246init_one_exit:
10247 if (bp->regview)
10248 iounmap(bp->regview);
10249
10250 if (bp->doorbells)
10251 iounmap(bp->doorbells);
10252
10253 free_netdev(dev);
10254
10255 if (atomic_read(&pdev->enable_cnt) == 1)
10256 pci_release_regions(pdev);
10257
10258 pci_disable_device(pdev);
10259 pci_set_drvdata(pdev, NULL);
10260
10261 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010262}
10263
10264static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
10265{
10266 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010267 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010268
Eliezer Tamir228241e2008-02-28 11:56:57 -080010269 if (!dev) {
Eliezer Tamir228241e2008-02-28 11:56:57 -080010270 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10271 return;
10272 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010273 bp = netdev_priv(dev);
10274
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010275 unregister_netdev(dev);
10276
10277 if (bp->regview)
10278 iounmap(bp->regview);
10279
10280 if (bp->doorbells)
10281 iounmap(bp->doorbells);
10282
10283 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010284
10285 if (atomic_read(&pdev->enable_cnt) == 1)
10286 pci_release_regions(pdev);
10287
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010288 pci_disable_device(pdev);
10289 pci_set_drvdata(pdev, NULL);
10290}
10291
10292static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
10293{
10294 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010295 struct bnx2x *bp;
10296
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010297 if (!dev) {
10298 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10299 return -ENODEV;
10300 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010301 bp = netdev_priv(dev);
10302
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010303 rtnl_lock();
10304
10305 pci_save_state(pdev);
10306
10307 if (!netif_running(dev)) {
10308 rtnl_unlock();
10309 return 0;
10310 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010311
10312 netif_device_detach(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010313
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -070010314 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010315
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010316 bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
Eliezer Tamir228241e2008-02-28 11:56:57 -080010317
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010318 rtnl_unlock();
10319
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010320 return 0;
10321}
10322
10323static int bnx2x_resume(struct pci_dev *pdev)
10324{
10325 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010326 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010327 int rc;
10328
Eliezer Tamir228241e2008-02-28 11:56:57 -080010329 if (!dev) {
10330 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10331 return -ENODEV;
10332 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010333 bp = netdev_priv(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010334
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010335 rtnl_lock();
10336
Eliezer Tamir228241e2008-02-28 11:56:57 -080010337 pci_restore_state(pdev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010338
10339 if (!netif_running(dev)) {
10340 rtnl_unlock();
10341 return 0;
10342 }
10343
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010344 bnx2x_set_power_state(bp, PCI_D0);
10345 netif_device_attach(dev);
10346
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -070010347 rc = bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010348
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010349 rtnl_unlock();
10350
10351 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010352}
10353
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070010354static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
10355{
10356 int i;
10357
10358 bp->state = BNX2X_STATE_ERROR;
10359
10360 bp->rx_mode = BNX2X_RX_MODE_NONE;
10361
10362 bnx2x_netif_stop(bp, 0);
10363
10364 del_timer_sync(&bp->timer);
10365 bp->stats_state = STATS_STATE_DISABLED;
10366 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
10367
10368 /* Release IRQs */
10369 bnx2x_free_irq(bp);
10370
10371 if (CHIP_IS_E1(bp)) {
10372 struct mac_configuration_cmd *config =
10373 bnx2x_sp(bp, mcast_config);
10374
10375 for (i = 0; i < config->hdr.length_6b; i++)
10376 CAM_INVALIDATE(config->config_table[i]);
10377 }
10378
10379 /* Free SKBs, SGEs, TPA pool and driver internals */
10380 bnx2x_free_skbs(bp);
10381 for_each_queue(bp, i)
10382 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
10383 bnx2x_free_mem(bp);
10384
10385 bp->state = BNX2X_STATE_CLOSED;
10386
10387 netif_carrier_off(bp->dev);
10388
10389 return 0;
10390}
10391
10392static void bnx2x_eeh_recover(struct bnx2x *bp)
10393{
10394 u32 val;
10395
10396 mutex_init(&bp->port.phy_mutex);
10397
10398 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
10399 bp->link_params.shmem_base = bp->common.shmem_base;
10400 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
10401
10402 if (!bp->common.shmem_base ||
10403 (bp->common.shmem_base < 0xA0000) ||
10404 (bp->common.shmem_base >= 0xC0000)) {
10405 BNX2X_DEV_INFO("MCP not active\n");
10406 bp->flags |= NO_MCP_FLAG;
10407 return;
10408 }
10409
10410 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
10411 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
10412 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
10413 BNX2X_ERR("BAD MCP validity signature\n");
10414
10415 if (!BP_NOMCP(bp)) {
10416 bp->fw_seq = (SHMEM_RD(bp, func_mb[BP_FUNC(bp)].drv_mb_header)
10417 & DRV_MSG_SEQ_NUMBER_MASK);
10418 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
10419 }
10420}
10421
Wendy Xiong493adb12008-06-23 20:36:22 -070010422/**
10423 * bnx2x_io_error_detected - called when PCI error is detected
10424 * @pdev: Pointer to PCI device
10425 * @state: The current pci connection state
10426 *
10427 * This function is called after a PCI bus error affecting
10428 * this device has been detected.
10429 */
10430static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
10431 pci_channel_state_t state)
10432{
10433 struct net_device *dev = pci_get_drvdata(pdev);
10434 struct bnx2x *bp = netdev_priv(dev);
10435
10436 rtnl_lock();
10437
10438 netif_device_detach(dev);
10439
10440 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070010441 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -070010442
10443 pci_disable_device(pdev);
10444
10445 rtnl_unlock();
10446
10447 /* Request a slot reset */
10448 return PCI_ERS_RESULT_NEED_RESET;
10449}
10450
10451/**
10452 * bnx2x_io_slot_reset - called after the PCI bus has been reset
10453 * @pdev: Pointer to PCI device
10454 *
10455 * Restart the card from scratch, as if from a cold-boot.
10456 */
10457static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
10458{
10459 struct net_device *dev = pci_get_drvdata(pdev);
10460 struct bnx2x *bp = netdev_priv(dev);
10461
10462 rtnl_lock();
10463
10464 if (pci_enable_device(pdev)) {
10465 dev_err(&pdev->dev,
10466 "Cannot re-enable PCI device after reset\n");
10467 rtnl_unlock();
10468 return PCI_ERS_RESULT_DISCONNECT;
10469 }
10470
10471 pci_set_master(pdev);
10472 pci_restore_state(pdev);
10473
10474 if (netif_running(dev))
10475 bnx2x_set_power_state(bp, PCI_D0);
10476
10477 rtnl_unlock();
10478
10479 return PCI_ERS_RESULT_RECOVERED;
10480}
10481
10482/**
10483 * bnx2x_io_resume - called when traffic can start flowing again
10484 * @pdev: Pointer to PCI device
10485 *
10486 * This callback is called when the error recovery driver tells us that
10487 * its OK to resume normal operation.
10488 */
10489static void bnx2x_io_resume(struct pci_dev *pdev)
10490{
10491 struct net_device *dev = pci_get_drvdata(pdev);
10492 struct bnx2x *bp = netdev_priv(dev);
10493
10494 rtnl_lock();
10495
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070010496 bnx2x_eeh_recover(bp);
10497
Wendy Xiong493adb12008-06-23 20:36:22 -070010498 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070010499 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -070010500
10501 netif_device_attach(dev);
10502
10503 rtnl_unlock();
10504}
10505
10506static struct pci_error_handlers bnx2x_err_handler = {
10507 .error_detected = bnx2x_io_error_detected,
10508 .slot_reset = bnx2x_io_slot_reset,
10509 .resume = bnx2x_io_resume,
10510};
10511
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010512static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070010513 .name = DRV_MODULE_NAME,
10514 .id_table = bnx2x_pci_tbl,
10515 .probe = bnx2x_init_one,
10516 .remove = __devexit_p(bnx2x_remove_one),
10517 .suspend = bnx2x_suspend,
10518 .resume = bnx2x_resume,
10519 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010520};
10521
10522static int __init bnx2x_init(void)
10523{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080010524 bnx2x_wq = create_singlethread_workqueue("bnx2x");
10525 if (bnx2x_wq == NULL) {
10526 printk(KERN_ERR PFX "Cannot create workqueue\n");
10527 return -ENOMEM;
10528 }
10529
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010530 return pci_register_driver(&bnx2x_pci_driver);
10531}
10532
10533static void __exit bnx2x_cleanup(void)
10534{
10535 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080010536
10537 destroy_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010538}
10539
10540module_init(bnx2x_init);
10541module_exit(bnx2x_cleanup);
10542