blob: 02ab9b0ea697bd6123fdbb18bc6f3b81c1ea978e [file] [log] [blame]
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001/* bnx2x_main.c: Broadcom Everest network driver.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002 *
Eliezer Tamirf1410642008-02-28 11:51:50 -08003 * Copyright (c) 2007-2008 Broadcom Corporation
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
Eilon Greenstein24e3fce2008-06-12 14:30:28 -07009 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011 * Based on code from Michael Chan's bnx2 driver
12 * UDP CSUM errata workaround by Arik Gendelman
13 * Slowpath rework by Vladislav Zolotarov
Eliezer Tamirc14423f2008-02-28 11:49:42 -080014 * Statistics and Link management by Yitchak Gertner
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020015 *
16 */
17
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020018#include <linux/module.h>
19#include <linux/moduleparam.h>
20#include <linux/kernel.h>
21#include <linux/device.h> /* for dev_info() */
22#include <linux/timer.h>
23#include <linux/errno.h>
24#include <linux/ioport.h>
25#include <linux/slab.h>
26#include <linux/vmalloc.h>
27#include <linux/interrupt.h>
28#include <linux/pci.h>
29#include <linux/init.h>
30#include <linux/netdevice.h>
31#include <linux/etherdevice.h>
32#include <linux/skbuff.h>
33#include <linux/dma-mapping.h>
34#include <linux/bitops.h>
35#include <linux/irq.h>
36#include <linux/delay.h>
37#include <asm/byteorder.h>
38#include <linux/time.h>
39#include <linux/ethtool.h>
40#include <linux/mii.h>
41#ifdef NETIF_F_HW_VLAN_TX
42 #include <linux/if_vlan.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020043#endif
44#include <net/ip.h>
45#include <net/tcp.h>
46#include <net/checksum.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070047#include <net/ip6_checksum.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020048#include <linux/workqueue.h>
49#include <linux/crc32.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070050#include <linux/crc32c.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020051#include <linux/prefetch.h>
52#include <linux/zlib.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020053#include <linux/io.h>
54
55#include "bnx2x_reg.h"
56#include "bnx2x_fw_defs.h"
57#include "bnx2x_hsi.h"
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070058#include "bnx2x_link.h"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020059#include "bnx2x.h"
60#include "bnx2x_init.h"
61
Eilon Greensteinca8eac52008-11-03 16:46:58 -080062#define DRV_MODULE_VERSION "1.45.23"
63#define DRV_MODULE_RELDATE "2008/11/03"
Eilon Greenstein34f80b02008-06-23 20:33:01 -070064#define BNX2X_BC_VER 0x040200
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020065
Eilon Greenstein34f80b02008-06-23 20:33:01 -070066/* Time in jiffies before concluding the transmitter is hung */
67#define TX_TIMEOUT (5*HZ)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020068
Andrew Morton53a10562008-02-09 23:16:41 -080069static char version[] __devinitdata =
Eilon Greenstein34f80b02008-06-23 20:33:01 -070070 "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020071 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
72
Eilon Greenstein24e3fce2008-06-12 14:30:28 -070073MODULE_AUTHOR("Eliezer Tamir");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020074MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver");
75MODULE_LICENSE("GPL");
76MODULE_VERSION(DRV_MODULE_VERSION);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020077
Eilon Greenstein19680c42008-08-13 15:47:33 -070078static int disable_tpa;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020079static int use_inta;
80static int poll;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020081static int debug;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070082static int load_count[3]; /* 0-common, 1-port0, 2-port1 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020083static int use_multi;
84
Eilon Greenstein19680c42008-08-13 15:47:33 -070085module_param(disable_tpa, int, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020086module_param(use_inta, int, 0);
87module_param(poll, int, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020088module_param(debug, int, 0);
Eilon Greenstein19680c42008-08-13 15:47:33 -070089MODULE_PARM_DESC(disable_tpa, "disable the TPA (LRO) feature");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020090MODULE_PARM_DESC(use_inta, "use INT#A instead of MSI-X");
91MODULE_PARM_DESC(poll, "use polling (for debug)");
Eliezer Tamirc14423f2008-02-28 11:49:42 -080092MODULE_PARM_DESC(debug, "default debug msglevel");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020093
94#ifdef BNX2X_MULTI
95module_param(use_multi, int, 0);
96MODULE_PARM_DESC(use_multi, "use per-CPU queues");
97#endif
98
99enum bnx2x_board_type {
100 BCM57710 = 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700101 BCM57711 = 1,
102 BCM57711E = 2,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200103};
104
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700105/* indexed by board_type, above */
Andrew Morton53a10562008-02-09 23:16:41 -0800106static struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200107 char *name;
108} board_info[] __devinitdata = {
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700109 { "Broadcom NetXtreme II BCM57710 XGb" },
110 { "Broadcom NetXtreme II BCM57711 XGb" },
111 { "Broadcom NetXtreme II BCM57711E XGb" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200112};
113
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700114
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200115static const struct pci_device_id bnx2x_pci_tbl[] = {
116 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57710,
117 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57710 },
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700118 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711,
119 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711 },
120 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711E,
121 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711E },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200122 { 0 }
123};
124
125MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
126
127/****************************************************************************
128* General service functions
129****************************************************************************/
130
131/* used only at init
132 * locking is done by mcp
133 */
134static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
135{
136 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
137 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
138 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
139 PCICFG_VENDOR_ID_OFFSET);
140}
141
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200142static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
143{
144 u32 val;
145
146 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
147 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
148 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
149 PCICFG_VENDOR_ID_OFFSET);
150
151 return val;
152}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200153
154static const u32 dmae_reg_go_c[] = {
155 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
156 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
157 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
158 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
159};
160
161/* copy command into DMAE command memory and set DMAE command go */
162static void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae,
163 int idx)
164{
165 u32 cmd_offset;
166 int i;
167
168 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
169 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
170 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
171
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700172 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
173 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200174 }
175 REG_WR(bp, dmae_reg_go_c[idx], 1);
176}
177
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700178void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
179 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200180{
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700181 struct dmae_command *dmae = &bp->init_dmae;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200182 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700183 int cnt = 200;
184
185 if (!bp->dmae_ready) {
186 u32 *data = bnx2x_sp(bp, wb_data[0]);
187
188 DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)"
189 " using indirect\n", dst_addr, len32);
190 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
191 return;
192 }
193
194 mutex_lock(&bp->dmae_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200195
196 memset(dmae, 0, sizeof(struct dmae_command));
197
198 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
199 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
200 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
201#ifdef __BIG_ENDIAN
202 DMAE_CMD_ENDIANITY_B_DW_SWAP |
203#else
204 DMAE_CMD_ENDIANITY_DW_SWAP |
205#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700206 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
207 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200208 dmae->src_addr_lo = U64_LO(dma_addr);
209 dmae->src_addr_hi = U64_HI(dma_addr);
210 dmae->dst_addr_lo = dst_addr >> 2;
211 dmae->dst_addr_hi = 0;
212 dmae->len = len32;
213 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
214 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700215 dmae->comp_val = DMAE_COMP_VAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200216
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700217 DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200218 DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
219 "dst_addr [%x:%08x (%08x)]\n"
220 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
221 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
222 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, dst_addr,
223 dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700224 DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200225 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
226 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200227
228 *wb_comp = 0;
229
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700230 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200231
232 udelay(5);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700233
234 while (*wb_comp != DMAE_COMP_VAL) {
235 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
236
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700237 if (!cnt) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200238 BNX2X_ERR("dmae timeout!\n");
239 break;
240 }
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700241 cnt--;
Yitchak Gertner12469402008-08-13 15:52:08 -0700242 /* adjust delay for emulation/FPGA */
243 if (CHIP_REV_IS_SLOW(bp))
244 msleep(100);
245 else
246 udelay(5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200247 }
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700248
249 mutex_unlock(&bp->dmae_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200250}
251
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700252void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200253{
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700254 struct dmae_command *dmae = &bp->init_dmae;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200255 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700256 int cnt = 200;
257
258 if (!bp->dmae_ready) {
259 u32 *data = bnx2x_sp(bp, wb_data[0]);
260 int i;
261
262 DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)"
263 " using indirect\n", src_addr, len32);
264 for (i = 0; i < len32; i++)
265 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
266 return;
267 }
268
269 mutex_lock(&bp->dmae_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200270
271 memset(bnx2x_sp(bp, wb_data[0]), 0, sizeof(u32) * 4);
272 memset(dmae, 0, sizeof(struct dmae_command));
273
274 dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
275 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
276 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
277#ifdef __BIG_ENDIAN
278 DMAE_CMD_ENDIANITY_B_DW_SWAP |
279#else
280 DMAE_CMD_ENDIANITY_DW_SWAP |
281#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700282 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
283 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200284 dmae->src_addr_lo = src_addr >> 2;
285 dmae->src_addr_hi = 0;
286 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
287 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
288 dmae->len = len32;
289 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
290 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700291 dmae->comp_val = DMAE_COMP_VAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200292
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700293 DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200294 DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
295 "dst_addr [%x:%08x (%08x)]\n"
296 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
297 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
298 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, src_addr,
299 dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200300
301 *wb_comp = 0;
302
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700303 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200304
305 udelay(5);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700306
307 while (*wb_comp != DMAE_COMP_VAL) {
308
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700309 if (!cnt) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200310 BNX2X_ERR("dmae timeout!\n");
311 break;
312 }
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700313 cnt--;
Yitchak Gertner12469402008-08-13 15:52:08 -0700314 /* adjust delay for emulation/FPGA */
315 if (CHIP_REV_IS_SLOW(bp))
316 msleep(100);
317 else
318 udelay(5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200319 }
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700320 DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200321 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
322 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700323
324 mutex_unlock(&bp->dmae_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200325}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200326
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700327/* used only for slowpath so not inlined */
328static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
329{
330 u32 wb_write[2];
331
332 wb_write[0] = val_hi;
333 wb_write[1] = val_lo;
334 REG_WR_DMAE(bp, reg, wb_write, 2);
335}
336
337#ifdef USE_WB_RD
338static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
339{
340 u32 wb_data[2];
341
342 REG_RD_DMAE(bp, reg, wb_data, 2);
343
344 return HILO_U64(wb_data[0], wb_data[1]);
345}
346#endif
347
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200348static int bnx2x_mc_assert(struct bnx2x *bp)
349{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200350 char last_idx;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700351 int i, rc = 0;
352 u32 row0, row1, row2, row3;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200353
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700354 /* XSTORM */
355 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
356 XSTORM_ASSERT_LIST_INDEX_OFFSET);
357 if (last_idx)
358 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200359
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700360 /* print the asserts */
361 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200362
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700363 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
364 XSTORM_ASSERT_LIST_OFFSET(i));
365 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
366 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
367 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
368 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
369 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
370 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200371
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700372 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
373 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
374 " 0x%08x 0x%08x 0x%08x\n",
375 i, row3, row2, row1, row0);
376 rc++;
377 } else {
378 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200379 }
380 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700381
382 /* TSTORM */
383 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
384 TSTORM_ASSERT_LIST_INDEX_OFFSET);
385 if (last_idx)
386 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
387
388 /* print the asserts */
389 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
390
391 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
392 TSTORM_ASSERT_LIST_OFFSET(i));
393 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
394 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
395 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
396 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
397 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
398 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
399
400 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
401 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
402 " 0x%08x 0x%08x 0x%08x\n",
403 i, row3, row2, row1, row0);
404 rc++;
405 } else {
406 break;
407 }
408 }
409
410 /* CSTORM */
411 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
412 CSTORM_ASSERT_LIST_INDEX_OFFSET);
413 if (last_idx)
414 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
415
416 /* print the asserts */
417 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
418
419 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
420 CSTORM_ASSERT_LIST_OFFSET(i));
421 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
422 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
423 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
424 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
425 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
426 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
427
428 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
429 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
430 " 0x%08x 0x%08x 0x%08x\n",
431 i, row3, row2, row1, row0);
432 rc++;
433 } else {
434 break;
435 }
436 }
437
438 /* USTORM */
439 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
440 USTORM_ASSERT_LIST_INDEX_OFFSET);
441 if (last_idx)
442 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
443
444 /* print the asserts */
445 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
446
447 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
448 USTORM_ASSERT_LIST_OFFSET(i));
449 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
450 USTORM_ASSERT_LIST_OFFSET(i) + 4);
451 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
452 USTORM_ASSERT_LIST_OFFSET(i) + 8);
453 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
454 USTORM_ASSERT_LIST_OFFSET(i) + 12);
455
456 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
457 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
458 " 0x%08x 0x%08x 0x%08x\n",
459 i, row3, row2, row1, row0);
460 rc++;
461 } else {
462 break;
463 }
464 }
465
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200466 return rc;
467}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800468
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200469static void bnx2x_fw_dump(struct bnx2x *bp)
470{
471 u32 mark, offset;
472 u32 data[9];
473 int word;
474
475 mark = REG_RD(bp, MCP_REG_MCPR_SCRATCH + 0xf104);
Eliezer Tamir49d66772008-02-28 11:53:13 -0800476 mark = ((mark + 0x3) & ~0x3);
477 printk(KERN_ERR PFX "begin fw dump (mark 0x%x)\n" KERN_ERR, mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200478
479 for (offset = mark - 0x08000000; offset <= 0xF900; offset += 0x8*4) {
480 for (word = 0; word < 8; word++)
481 data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
482 offset + 4*word));
483 data[8] = 0x0;
Eliezer Tamir49d66772008-02-28 11:53:13 -0800484 printk(KERN_CONT "%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200485 }
486 for (offset = 0xF108; offset <= mark - 0x08000000; offset += 0x8*4) {
487 for (word = 0; word < 8; word++)
488 data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
489 offset + 4*word));
490 data[8] = 0x0;
Eliezer Tamir49d66772008-02-28 11:53:13 -0800491 printk(KERN_CONT "%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200492 }
493 printk("\n" KERN_ERR PFX "end of fw dump\n");
494}
495
496static void bnx2x_panic_dump(struct bnx2x *bp)
497{
498 int i;
499 u16 j, start, end;
500
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700501 bp->stats_state = STATS_STATE_DISABLED;
502 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
503
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200504 BNX2X_ERR("begin crash dump -----------------\n");
505
506 for_each_queue(bp, i) {
507 struct bnx2x_fastpath *fp = &bp->fp[i];
508 struct eth_tx_db_data *hw_prods = fp->hw_tx_prods;
509
510 BNX2X_ERR("queue[%d]: tx_pkt_prod(%x) tx_pkt_cons(%x)"
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700511 " tx_bd_prod(%x) tx_bd_cons(%x) *tx_cons_sb(%x)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200512 i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700513 fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700514 BNX2X_ERR(" rx_bd_prod(%x) rx_bd_cons(%x)"
515 " *rx_bd_cons_sb(%x) rx_comp_prod(%x)"
516 " rx_comp_cons(%x) *rx_cons_sb(%x)\n",
517 fp->rx_bd_prod, fp->rx_bd_cons,
518 le16_to_cpu(*fp->rx_bd_cons_sb), fp->rx_comp_prod,
519 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
520 BNX2X_ERR(" rx_sge_prod(%x) last_max_sge(%x)"
521 " fp_c_idx(%x) *sb_c_idx(%x) fp_u_idx(%x)"
522 " *sb_u_idx(%x) bd data(%x,%x)\n",
523 fp->rx_sge_prod, fp->last_max_sge, fp->fp_c_idx,
524 fp->status_blk->c_status_block.status_block_index,
525 fp->fp_u_idx,
526 fp->status_blk->u_status_block.status_block_index,
527 hw_prods->packets_prod, hw_prods->bds_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200528
529 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
530 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
531 for (j = start; j < end; j++) {
532 struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
533
534 BNX2X_ERR("packet[%x]=[%p,%x]\n", j,
535 sw_bd->skb, sw_bd->first_bd);
536 }
537
538 start = TX_BD(fp->tx_bd_cons - 10);
539 end = TX_BD(fp->tx_bd_cons + 254);
540 for (j = start; j < end; j++) {
541 u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
542
543 BNX2X_ERR("tx_bd[%x]=[%x:%x:%x:%x]\n",
544 j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
545 }
546
547 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
548 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
549 for (j = start; j < end; j++) {
550 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
551 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
552
553 BNX2X_ERR("rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700554 j, rx_bd[1], rx_bd[0], sw_bd->skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200555 }
556
Eilon Greenstein3196a882008-08-13 15:58:49 -0700557 start = RX_SGE(fp->rx_sge_prod);
558 end = RX_SGE(fp->last_max_sge);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700559 for (j = start; j < end; j++) {
560 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
561 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
562
563 BNX2X_ERR("rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
564 j, rx_sge[1], rx_sge[0], sw_page->page);
565 }
566
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200567 start = RCQ_BD(fp->rx_comp_cons - 10);
568 end = RCQ_BD(fp->rx_comp_cons + 503);
569 for (j = start; j < end; j++) {
570 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
571
572 BNX2X_ERR("cqe[%x]=[%x:%x:%x:%x]\n",
573 j, cqe[0], cqe[1], cqe[2], cqe[3]);
574 }
575 }
576
Eliezer Tamir49d66772008-02-28 11:53:13 -0800577 BNX2X_ERR("def_c_idx(%u) def_u_idx(%u) def_x_idx(%u)"
578 " def_t_idx(%u) def_att_idx(%u) attn_state(%u)"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200579 " spq_prod_idx(%u)\n",
Eliezer Tamir49d66772008-02-28 11:53:13 -0800580 bp->def_c_idx, bp->def_u_idx, bp->def_x_idx, bp->def_t_idx,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200581 bp->def_att_idx, bp->attn_state, bp->spq_prod_idx);
582
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700583 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200584 bnx2x_mc_assert(bp);
585 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200586}
587
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800588static void bnx2x_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200589{
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700590 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200591 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
592 u32 val = REG_RD(bp, addr);
593 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
594
595 if (msix) {
596 val &= ~HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
597 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
598 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
599 } else {
600 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800601 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200602 HC_CONFIG_0_REG_INT_LINE_EN_0 |
603 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800604
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800605 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n",
606 val, port, addr, msix);
607
608 REG_WR(bp, addr, val);
609
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200610 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
611 }
612
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800613 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200614 val, port, addr, msix);
615
616 REG_WR(bp, addr, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700617
618 if (CHIP_IS_E1H(bp)) {
619 /* init leading/trailing edge */
620 if (IS_E1HMF(bp)) {
621 val = (0xfe0f | (1 << (BP_E1HVN(bp) + 4)));
622 if (bp->port.pmf)
623 /* enable nig attention */
624 val |= 0x0100;
625 } else
626 val = 0xffff;
627
628 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
629 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
630 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200631}
632
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800633static void bnx2x_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200634{
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700635 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200636 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
637 u32 val = REG_RD(bp, addr);
638
639 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
640 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
641 HC_CONFIG_0_REG_INT_LINE_EN_0 |
642 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
643
644 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
645 val, port, addr);
646
647 REG_WR(bp, addr, val);
648 if (REG_RD(bp, addr) != val)
649 BNX2X_ERR("BUG! proper val not read from IGU!\n");
650}
651
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -0700652static void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200653{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200654 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
655 int i;
656
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700657 /* disable interrupt handling */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200658 atomic_inc(&bp->intr_sem);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -0700659 if (disable_hw)
660 /* prevent the HW from sending interrupts */
661 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200662
663 /* make sure all ISRs are done */
664 if (msix) {
665 for_each_queue(bp, i)
666 synchronize_irq(bp->msix_table[i].vector);
667
668 /* one more for the Slow Path IRQ */
669 synchronize_irq(bp->msix_table[i].vector);
670 } else
671 synchronize_irq(bp->pdev->irq);
672
673 /* make sure sp_task is not running */
674 cancel_work_sync(&bp->sp_task);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200675}
676
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700677/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200678
679/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700680 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200681 */
682
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700683static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 sb_id,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200684 u8 storm, u16 index, u8 op, u8 update)
685{
Eilon Greenstein5c862842008-08-13 15:51:48 -0700686 u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
687 COMMAND_REG_INT_ACK);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200688 struct igu_ack_register igu_ack;
689
690 igu_ack.status_block_index = index;
691 igu_ack.sb_id_and_flags =
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700692 ((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200693 (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) |
694 (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) |
695 (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT));
696
Eilon Greenstein5c862842008-08-13 15:51:48 -0700697 DP(BNX2X_MSG_OFF, "write 0x%08x to HC addr 0x%x\n",
698 (*(u32 *)&igu_ack), hc_addr);
699 REG_WR(bp, hc_addr, (*(u32 *)&igu_ack));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200700}
701
702static inline u16 bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp)
703{
704 struct host_status_block *fpsb = fp->status_blk;
705 u16 rc = 0;
706
707 barrier(); /* status block is written to by the chip */
708 if (fp->fp_c_idx != fpsb->c_status_block.status_block_index) {
709 fp->fp_c_idx = fpsb->c_status_block.status_block_index;
710 rc |= 1;
711 }
712 if (fp->fp_u_idx != fpsb->u_status_block.status_block_index) {
713 fp->fp_u_idx = fpsb->u_status_block.status_block_index;
714 rc |= 2;
715 }
716 return rc;
717}
718
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200719static u16 bnx2x_ack_int(struct bnx2x *bp)
720{
Eilon Greenstein5c862842008-08-13 15:51:48 -0700721 u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
722 COMMAND_REG_SIMD_MASK);
723 u32 result = REG_RD(bp, hc_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200724
Eilon Greenstein5c862842008-08-13 15:51:48 -0700725 DP(BNX2X_MSG_OFF, "read 0x%08x from HC addr 0x%x\n",
726 result, hc_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200727
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200728 return result;
729}
730
731
732/*
733 * fast path service functions
734 */
735
736/* free skb in the packet ring at pos idx
737 * return idx of last bd freed
738 */
739static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp,
740 u16 idx)
741{
742 struct sw_tx_bd *tx_buf = &fp->tx_buf_ring[idx];
743 struct eth_tx_bd *tx_bd;
744 struct sk_buff *skb = tx_buf->skb;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700745 u16 bd_idx = TX_BD(tx_buf->first_bd), new_cons;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200746 int nbd;
747
748 DP(BNX2X_MSG_OFF, "pkt_idx %d buff @(%p)->skb %p\n",
749 idx, tx_buf, skb);
750
751 /* unmap first bd */
752 DP(BNX2X_MSG_OFF, "free bd_idx %d\n", bd_idx);
753 tx_bd = &fp->tx_desc_ring[bd_idx];
754 pci_unmap_single(bp->pdev, BD_UNMAP_ADDR(tx_bd),
755 BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
756
757 nbd = le16_to_cpu(tx_bd->nbd) - 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700758 new_cons = nbd + tx_buf->first_bd;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200759#ifdef BNX2X_STOP_ON_ERROR
760 if (nbd > (MAX_SKB_FRAGS + 2)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700761 BNX2X_ERR("BAD nbd!\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200762 bnx2x_panic();
763 }
764#endif
765
766 /* Skip a parse bd and the TSO split header bd
767 since they have no mapping */
768 if (nbd)
769 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
770
771 if (tx_bd->bd_flags.as_bitfield & (ETH_TX_BD_FLAGS_IP_CSUM |
772 ETH_TX_BD_FLAGS_TCP_CSUM |
773 ETH_TX_BD_FLAGS_SW_LSO)) {
774 if (--nbd)
775 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
776 tx_bd = &fp->tx_desc_ring[bd_idx];
777 /* is this a TSO split header bd? */
778 if (tx_bd->bd_flags.as_bitfield & ETH_TX_BD_FLAGS_SW_LSO) {
779 if (--nbd)
780 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
781 }
782 }
783
784 /* now free frags */
785 while (nbd > 0) {
786
787 DP(BNX2X_MSG_OFF, "free frag bd_idx %d\n", bd_idx);
788 tx_bd = &fp->tx_desc_ring[bd_idx];
789 pci_unmap_page(bp->pdev, BD_UNMAP_ADDR(tx_bd),
790 BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
791 if (--nbd)
792 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
793 }
794
795 /* release skb */
Ilpo Järvinen53e5e962008-07-25 21:40:45 -0700796 WARN_ON(!skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200797 dev_kfree_skb(skb);
798 tx_buf->first_bd = 0;
799 tx_buf->skb = NULL;
800
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700801 return new_cons;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200802}
803
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700804static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200805{
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700806 s16 used;
807 u16 prod;
808 u16 cons;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200809
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700810 barrier(); /* Tell compiler that prod and cons can change */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200811 prod = fp->tx_bd_prod;
812 cons = fp->tx_bd_cons;
813
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700814 /* NUM_TX_RINGS = number of "next-page" entries
815 It will be used as a threshold */
816 used = SUB_S16(prod, cons) + (s16)NUM_TX_RINGS;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200817
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700818#ifdef BNX2X_STOP_ON_ERROR
Ilpo Järvinen53e5e962008-07-25 21:40:45 -0700819 WARN_ON(used < 0);
820 WARN_ON(used > fp->bp->tx_ring_size);
821 WARN_ON((fp->bp->tx_ring_size - used) > MAX_TX_AVAIL);
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700822#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200823
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700824 return (s16)(fp->bp->tx_ring_size) - used;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200825}
826
827static void bnx2x_tx_int(struct bnx2x_fastpath *fp, int work)
828{
829 struct bnx2x *bp = fp->bp;
830 u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons;
831 int done = 0;
832
833#ifdef BNX2X_STOP_ON_ERROR
834 if (unlikely(bp->panic))
835 return;
836#endif
837
838 hw_cons = le16_to_cpu(*fp->tx_cons_sb);
839 sw_cons = fp->tx_pkt_cons;
840
841 while (sw_cons != hw_cons) {
842 u16 pkt_cons;
843
844 pkt_cons = TX_BD(sw_cons);
845
846 /* prefetch(bp->tx_buf_ring[pkt_cons].skb); */
847
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700848 DP(NETIF_MSG_TX_DONE, "hw_cons %u sw_cons %u pkt_cons %u\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200849 hw_cons, sw_cons, pkt_cons);
850
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700851/* if (NEXT_TX_IDX(sw_cons) != hw_cons) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200852 rmb();
853 prefetch(fp->tx_buf_ring[NEXT_TX_IDX(sw_cons)].skb);
854 }
855*/
856 bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons);
857 sw_cons++;
858 done++;
859
860 if (done == work)
861 break;
862 }
863
864 fp->tx_pkt_cons = sw_cons;
865 fp->tx_bd_cons = bd_cons;
866
867 /* Need to make the tx_cons update visible to start_xmit()
868 * before checking for netif_queue_stopped(). Without the
869 * memory barrier, there is a small possibility that start_xmit()
870 * will miss it and cause the queue to be stopped forever.
871 */
872 smp_mb();
873
874 /* TBD need a thresh? */
875 if (unlikely(netif_queue_stopped(bp->dev))) {
876
877 netif_tx_lock(bp->dev);
878
879 if (netif_queue_stopped(bp->dev) &&
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -0700880 (bp->state == BNX2X_STATE_OPEN) &&
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200881 (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3))
882 netif_wake_queue(bp->dev);
883
884 netif_tx_unlock(bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200885 }
886}
887
Eilon Greenstein3196a882008-08-13 15:58:49 -0700888
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200889static void bnx2x_sp_event(struct bnx2x_fastpath *fp,
890 union eth_rx_cqe *rr_cqe)
891{
892 struct bnx2x *bp = fp->bp;
893 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
894 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
895
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700896 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200897 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700898 FP_IDX(fp), cid, command, bp->state,
899 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200900
901 bp->spq_left++;
902
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700903 if (FP_IDX(fp)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200904 switch (command | fp->state) {
905 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP |
906 BNX2X_FP_STATE_OPENING):
907 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n",
908 cid);
909 fp->state = BNX2X_FP_STATE_OPEN;
910 break;
911
912 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
913 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n",
914 cid);
915 fp->state = BNX2X_FP_STATE_HALTED;
916 break;
917
918 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700919 BNX2X_ERR("unexpected MC reply (%d) "
920 "fp->state is %x\n", command, fp->state);
921 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200922 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700923 mb(); /* force bnx2x_wait_ramrod() to see the change */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200924 return;
925 }
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800926
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200927 switch (command | bp->state) {
928 case (RAMROD_CMD_ID_ETH_PORT_SETUP | BNX2X_STATE_OPENING_WAIT4_PORT):
929 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
930 bp->state = BNX2X_STATE_OPEN;
931 break;
932
933 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_STATE_CLOSING_WAIT4_HALT):
934 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
935 bp->state = BNX2X_STATE_CLOSING_WAIT4_DELETE;
936 fp->state = BNX2X_FP_STATE_HALTED;
937 break;
938
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200939 case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_CLOSING_WAIT4_HALT):
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700940 DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", cid);
Eliezer Tamir49d66772008-02-28 11:53:13 -0800941 bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200942 break;
943
Eilon Greenstein3196a882008-08-13 15:58:49 -0700944
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200945 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN):
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700946 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DIAG):
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200947 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -0700948 bp->set_mac_pending = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200949 break;
950
Eliezer Tamir49d66772008-02-28 11:53:13 -0800951 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT):
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700952 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
Eliezer Tamir49d66772008-02-28 11:53:13 -0800953 break;
954
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200955 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700956 BNX2X_ERR("unexpected MC reply (%d) bp->state is %x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200957 command, bp->state);
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700958 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200959 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700960 mb(); /* force bnx2x_wait_ramrod() to see the change */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200961}
962
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700963static inline void bnx2x_free_rx_sge(struct bnx2x *bp,
964 struct bnx2x_fastpath *fp, u16 index)
965{
966 struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
967 struct page *page = sw_buf->page;
968 struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
969
970 /* Skip "next page" elements */
971 if (!page)
972 return;
973
974 pci_unmap_page(bp->pdev, pci_unmap_addr(sw_buf, mapping),
975 BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
976 __free_pages(page, PAGES_PER_SGE_SHIFT);
977
978 sw_buf->page = NULL;
979 sge->addr_hi = 0;
980 sge->addr_lo = 0;
981}
982
983static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
984 struct bnx2x_fastpath *fp, int last)
985{
986 int i;
987
988 for (i = 0; i < last; i++)
989 bnx2x_free_rx_sge(bp, fp, i);
990}
991
992static inline int bnx2x_alloc_rx_sge(struct bnx2x *bp,
993 struct bnx2x_fastpath *fp, u16 index)
994{
995 struct page *page = alloc_pages(GFP_ATOMIC, PAGES_PER_SGE_SHIFT);
996 struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
997 struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
998 dma_addr_t mapping;
999
1000 if (unlikely(page == NULL))
1001 return -ENOMEM;
1002
1003 mapping = pci_map_page(bp->pdev, page, 0, BCM_PAGE_SIZE*PAGES_PER_SGE,
1004 PCI_DMA_FROMDEVICE);
FUJITA Tomonori8d8bb392008-07-25 19:44:49 -07001005 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001006 __free_pages(page, PAGES_PER_SGE_SHIFT);
1007 return -ENOMEM;
1008 }
1009
1010 sw_buf->page = page;
1011 pci_unmap_addr_set(sw_buf, mapping, mapping);
1012
1013 sge->addr_hi = cpu_to_le32(U64_HI(mapping));
1014 sge->addr_lo = cpu_to_le32(U64_LO(mapping));
1015
1016 return 0;
1017}
1018
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001019static inline int bnx2x_alloc_rx_skb(struct bnx2x *bp,
1020 struct bnx2x_fastpath *fp, u16 index)
1021{
1022 struct sk_buff *skb;
1023 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index];
1024 struct eth_rx_bd *rx_bd = &fp->rx_desc_ring[index];
1025 dma_addr_t mapping;
1026
1027 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1028 if (unlikely(skb == NULL))
1029 return -ENOMEM;
1030
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07001031 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_size,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001032 PCI_DMA_FROMDEVICE);
FUJITA Tomonori8d8bb392008-07-25 19:44:49 -07001033 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001034 dev_kfree_skb(skb);
1035 return -ENOMEM;
1036 }
1037
1038 rx_buf->skb = skb;
1039 pci_unmap_addr_set(rx_buf, mapping, mapping);
1040
1041 rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1042 rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1043
1044 return 0;
1045}
1046
1047/* note that we are not allocating a new skb,
1048 * we are just moving one from cons to prod
1049 * we are not creating a new mapping,
1050 * so there is no need to check for dma_mapping_error().
1051 */
1052static void bnx2x_reuse_rx_skb(struct bnx2x_fastpath *fp,
1053 struct sk_buff *skb, u16 cons, u16 prod)
1054{
1055 struct bnx2x *bp = fp->bp;
1056 struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1057 struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1058 struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons];
1059 struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1060
1061 pci_dma_sync_single_for_device(bp->pdev,
1062 pci_unmap_addr(cons_rx_buf, mapping),
1063 bp->rx_offset + RX_COPY_THRESH,
1064 PCI_DMA_FROMDEVICE);
1065
1066 prod_rx_buf->skb = cons_rx_buf->skb;
1067 pci_unmap_addr_set(prod_rx_buf, mapping,
1068 pci_unmap_addr(cons_rx_buf, mapping));
1069 *prod_bd = *cons_bd;
1070}
1071
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001072static inline void bnx2x_update_last_max_sge(struct bnx2x_fastpath *fp,
1073 u16 idx)
1074{
1075 u16 last_max = fp->last_max_sge;
1076
1077 if (SUB_S16(idx, last_max) > 0)
1078 fp->last_max_sge = idx;
1079}
1080
1081static void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp)
1082{
1083 int i, j;
1084
1085 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
1086 int idx = RX_SGE_CNT * i - 1;
1087
1088 for (j = 0; j < 2; j++) {
1089 SGE_MASK_CLEAR_BIT(fp, idx);
1090 idx--;
1091 }
1092 }
1093}
1094
1095static void bnx2x_update_sge_prod(struct bnx2x_fastpath *fp,
1096 struct eth_fast_path_rx_cqe *fp_cqe)
1097{
1098 struct bnx2x *bp = fp->bp;
1099 u16 sge_len = BCM_PAGE_ALIGN(le16_to_cpu(fp_cqe->pkt_len) -
1100 le16_to_cpu(fp_cqe->len_on_bd)) >>
1101 BCM_PAGE_SHIFT;
1102 u16 last_max, last_elem, first_elem;
1103 u16 delta = 0;
1104 u16 i;
1105
1106 if (!sge_len)
1107 return;
1108
1109 /* First mark all used pages */
1110 for (i = 0; i < sge_len; i++)
1111 SGE_MASK_CLEAR_BIT(fp, RX_SGE(le16_to_cpu(fp_cqe->sgl[i])));
1112
1113 DP(NETIF_MSG_RX_STATUS, "fp_cqe->sgl[%d] = %d\n",
1114 sge_len - 1, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1115
1116 /* Here we assume that the last SGE index is the biggest */
1117 prefetch((void *)(fp->sge_mask));
1118 bnx2x_update_last_max_sge(fp, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1119
1120 last_max = RX_SGE(fp->last_max_sge);
1121 last_elem = last_max >> RX_SGE_MASK_ELEM_SHIFT;
1122 first_elem = RX_SGE(fp->rx_sge_prod) >> RX_SGE_MASK_ELEM_SHIFT;
1123
1124 /* If ring is not full */
1125 if (last_elem + 1 != first_elem)
1126 last_elem++;
1127
1128 /* Now update the prod */
1129 for (i = first_elem; i != last_elem; i = NEXT_SGE_MASK_ELEM(i)) {
1130 if (likely(fp->sge_mask[i]))
1131 break;
1132
1133 fp->sge_mask[i] = RX_SGE_MASK_ELEM_ONE_MASK;
1134 delta += RX_SGE_MASK_ELEM_SZ;
1135 }
1136
1137 if (delta > 0) {
1138 fp->rx_sge_prod += delta;
1139 /* clear page-end entries */
1140 bnx2x_clear_sge_mask_next_elems(fp);
1141 }
1142
1143 DP(NETIF_MSG_RX_STATUS,
1144 "fp->last_max_sge = %d fp->rx_sge_prod = %d\n",
1145 fp->last_max_sge, fp->rx_sge_prod);
1146}
1147
1148static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp)
1149{
1150 /* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */
1151 memset(fp->sge_mask, 0xff,
1152 (NUM_RX_SGE >> RX_SGE_MASK_ELEM_SHIFT)*sizeof(u64));
1153
Eilon Greenstein33471622008-08-13 15:59:08 -07001154 /* Clear the two last indices in the page to 1:
1155 these are the indices that correspond to the "next" element,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001156 hence will never be indicated and should be removed from
1157 the calculations. */
1158 bnx2x_clear_sge_mask_next_elems(fp);
1159}
1160
1161static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue,
1162 struct sk_buff *skb, u16 cons, u16 prod)
1163{
1164 struct bnx2x *bp = fp->bp;
1165 struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1166 struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1167 struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1168 dma_addr_t mapping;
1169
1170 /* move empty skb from pool to prod and map it */
1171 prod_rx_buf->skb = fp->tpa_pool[queue].skb;
1172 mapping = pci_map_single(bp->pdev, fp->tpa_pool[queue].skb->data,
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07001173 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001174 pci_unmap_addr_set(prod_rx_buf, mapping, mapping);
1175
1176 /* move partial skb from cons to pool (don't unmap yet) */
1177 fp->tpa_pool[queue] = *cons_rx_buf;
1178
1179 /* mark bin state as start - print error if current state != stop */
1180 if (fp->tpa_state[queue] != BNX2X_TPA_STOP)
1181 BNX2X_ERR("start of bin not in stop [%d]\n", queue);
1182
1183 fp->tpa_state[queue] = BNX2X_TPA_START;
1184
1185 /* point prod_bd to new skb */
1186 prod_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1187 prod_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1188
1189#ifdef BNX2X_STOP_ON_ERROR
1190 fp->tpa_queue_used |= (1 << queue);
1191#ifdef __powerpc64__
1192 DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%lx\n",
1193#else
1194 DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%llx\n",
1195#endif
1196 fp->tpa_queue_used);
1197#endif
1198}
1199
1200static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1201 struct sk_buff *skb,
1202 struct eth_fast_path_rx_cqe *fp_cqe,
1203 u16 cqe_idx)
1204{
1205 struct sw_rx_page *rx_pg, old_rx_pg;
1206 struct page *sge;
1207 u16 len_on_bd = le16_to_cpu(fp_cqe->len_on_bd);
1208 u32 i, frag_len, frag_size, pages;
1209 int err;
1210 int j;
1211
1212 frag_size = le16_to_cpu(fp_cqe->pkt_len) - len_on_bd;
1213 pages = BCM_PAGE_ALIGN(frag_size) >> BCM_PAGE_SHIFT;
1214
1215 /* This is needed in order to enable forwarding support */
1216 if (frag_size)
1217 skb_shinfo(skb)->gso_size = min((u32)BCM_PAGE_SIZE,
1218 max(frag_size, (u32)len_on_bd));
1219
1220#ifdef BNX2X_STOP_ON_ERROR
1221 if (pages > 8*PAGES_PER_SGE) {
1222 BNX2X_ERR("SGL length is too long: %d. CQE index is %d\n",
1223 pages, cqe_idx);
1224 BNX2X_ERR("fp_cqe->pkt_len = %d fp_cqe->len_on_bd = %d\n",
1225 fp_cqe->pkt_len, len_on_bd);
1226 bnx2x_panic();
1227 return -EINVAL;
1228 }
1229#endif
1230
1231 /* Run through the SGL and compose the fragmented skb */
1232 for (i = 0, j = 0; i < pages; i += PAGES_PER_SGE, j++) {
1233 u16 sge_idx = RX_SGE(le16_to_cpu(fp_cqe->sgl[j]));
1234
1235 /* FW gives the indices of the SGE as if the ring is an array
1236 (meaning that "next" element will consume 2 indices) */
1237 frag_len = min(frag_size, (u32)(BCM_PAGE_SIZE*PAGES_PER_SGE));
1238 rx_pg = &fp->rx_page_ring[sge_idx];
1239 sge = rx_pg->page;
1240 old_rx_pg = *rx_pg;
1241
1242 /* If we fail to allocate a substitute page, we simply stop
1243 where we are and drop the whole packet */
1244 err = bnx2x_alloc_rx_sge(bp, fp, sge_idx);
1245 if (unlikely(err)) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001246 bp->eth_stats.rx_skb_alloc_failed++;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001247 return err;
1248 }
1249
1250 /* Unmap the page as we r going to pass it to the stack */
1251 pci_unmap_page(bp->pdev, pci_unmap_addr(&old_rx_pg, mapping),
1252 BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
1253
1254 /* Add one frag and update the appropriate fields in the skb */
1255 skb_fill_page_desc(skb, j, old_rx_pg.page, 0, frag_len);
1256
1257 skb->data_len += frag_len;
1258 skb->truesize += frag_len;
1259 skb->len += frag_len;
1260
1261 frag_size -= frag_len;
1262 }
1263
1264 return 0;
1265}
1266
1267static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1268 u16 queue, int pad, int len, union eth_rx_cqe *cqe,
1269 u16 cqe_idx)
1270{
1271 struct sw_rx_bd *rx_buf = &fp->tpa_pool[queue];
1272 struct sk_buff *skb = rx_buf->skb;
1273 /* alloc new skb */
1274 struct sk_buff *new_skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1275
1276 /* Unmap skb in the pool anyway, as we are going to change
1277 pool entry status to BNX2X_TPA_STOP even if new skb allocation
1278 fails. */
1279 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07001280 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001281
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001282 if (likely(new_skb)) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001283 /* fix ip xsum and give it to the stack */
1284 /* (no need to map the new skb) */
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001285
1286 prefetch(skb);
1287 prefetch(((char *)(skb)) + 128);
1288
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001289#ifdef BNX2X_STOP_ON_ERROR
1290 if (pad + len > bp->rx_buf_size) {
1291 BNX2X_ERR("skb_put is about to fail... "
1292 "pad %d len %d rx_buf_size %d\n",
1293 pad, len, bp->rx_buf_size);
1294 bnx2x_panic();
1295 return;
1296 }
1297#endif
1298
1299 skb_reserve(skb, pad);
1300 skb_put(skb, len);
1301
1302 skb->protocol = eth_type_trans(skb, bp->dev);
1303 skb->ip_summed = CHECKSUM_UNNECESSARY;
1304
1305 {
1306 struct iphdr *iph;
1307
1308 iph = (struct iphdr *)skb->data;
1309 iph->check = 0;
1310 iph->check = ip_fast_csum((u8 *)iph, iph->ihl);
1311 }
1312
1313 if (!bnx2x_fill_frag_skb(bp, fp, skb,
1314 &cqe->fast_path_cqe, cqe_idx)) {
1315#ifdef BCM_VLAN
1316 if ((bp->vlgrp != NULL) &&
1317 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1318 PARSING_FLAGS_VLAN))
1319 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1320 le16_to_cpu(cqe->fast_path_cqe.
1321 vlan_tag));
1322 else
1323#endif
1324 netif_receive_skb(skb);
1325 } else {
1326 DP(NETIF_MSG_RX_STATUS, "Failed to allocate new pages"
1327 " - dropping packet!\n");
1328 dev_kfree_skb(skb);
1329 }
1330
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001331
1332 /* put new skb in bin */
1333 fp->tpa_pool[queue].skb = new_skb;
1334
1335 } else {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001336 /* else drop the packet and keep the buffer in the bin */
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001337 DP(NETIF_MSG_RX_STATUS,
1338 "Failed to allocate new skb - dropping packet!\n");
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001339 bp->eth_stats.rx_skb_alloc_failed++;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001340 }
1341
1342 fp->tpa_state[queue] = BNX2X_TPA_STOP;
1343}
1344
1345static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
1346 struct bnx2x_fastpath *fp,
1347 u16 bd_prod, u16 rx_comp_prod,
1348 u16 rx_sge_prod)
1349{
1350 struct tstorm_eth_rx_producers rx_prods = {0};
1351 int i;
1352
1353 /* Update producers */
1354 rx_prods.bd_prod = bd_prod;
1355 rx_prods.cqe_prod = rx_comp_prod;
1356 rx_prods.sge_prod = rx_sge_prod;
1357
1358 for (i = 0; i < sizeof(struct tstorm_eth_rx_producers)/4; i++)
1359 REG_WR(bp, BAR_TSTRORM_INTMEM +
1360 TSTORM_RX_PRODS_OFFSET(BP_PORT(bp), FP_CL_ID(fp)) + i*4,
1361 ((u32 *)&rx_prods)[i]);
1362
1363 DP(NETIF_MSG_RX_STATUS,
1364 "Wrote: bd_prod %u cqe_prod %u sge_prod %u\n",
1365 bd_prod, rx_comp_prod, rx_sge_prod);
1366}
1367
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001368static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
1369{
1370 struct bnx2x *bp = fp->bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001371 u16 bd_cons, bd_prod, bd_prod_fw, comp_ring_cons;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001372 u16 hw_comp_cons, sw_comp_cons, sw_comp_prod;
1373 int rx_pkt = 0;
1374
1375#ifdef BNX2X_STOP_ON_ERROR
1376 if (unlikely(bp->panic))
1377 return 0;
1378#endif
1379
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001380 /* CQ "next element" is of the size of the regular element,
1381 that's why it's ok here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001382 hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb);
1383 if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
1384 hw_comp_cons++;
1385
1386 bd_cons = fp->rx_bd_cons;
1387 bd_prod = fp->rx_bd_prod;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001388 bd_prod_fw = bd_prod;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001389 sw_comp_cons = fp->rx_comp_cons;
1390 sw_comp_prod = fp->rx_comp_prod;
1391
1392 /* Memory barrier necessary as speculative reads of the rx
1393 * buffer can be ahead of the index in the status block
1394 */
1395 rmb();
1396
1397 DP(NETIF_MSG_RX_STATUS,
1398 "queue[%d]: hw_comp_cons %u sw_comp_cons %u\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001399 FP_IDX(fp), hw_comp_cons, sw_comp_cons);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001400
1401 while (sw_comp_cons != hw_comp_cons) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001402 struct sw_rx_bd *rx_buf = NULL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001403 struct sk_buff *skb;
1404 union eth_rx_cqe *cqe;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001405 u8 cqe_fp_flags;
1406 u16 len, pad;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001407
1408 comp_ring_cons = RCQ_BD(sw_comp_cons);
1409 bd_prod = RX_BD(bd_prod);
1410 bd_cons = RX_BD(bd_cons);
1411
1412 cqe = &fp->rx_comp_ring[comp_ring_cons];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001413 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001414
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001415 DP(NETIF_MSG_RX_STATUS, "CQE type %x err %x status %x"
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001416 " queue %x vlan %x len %u\n", CQE_TYPE(cqe_fp_flags),
1417 cqe_fp_flags, cqe->fast_path_cqe.status_flags,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001418 cqe->fast_path_cqe.rss_hash_result,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001419 le16_to_cpu(cqe->fast_path_cqe.vlan_tag),
1420 le16_to_cpu(cqe->fast_path_cqe.pkt_len));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001421
1422 /* is this a slowpath msg? */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001423 if (unlikely(CQE_TYPE(cqe_fp_flags))) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001424 bnx2x_sp_event(fp, cqe);
1425 goto next_cqe;
1426
1427 /* this is an rx packet */
1428 } else {
1429 rx_buf = &fp->rx_buf_ring[bd_cons];
1430 skb = rx_buf->skb;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001431 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
1432 pad = cqe->fast_path_cqe.placement_offset;
1433
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001434 /* If CQE is marked both TPA_START and TPA_END
1435 it is a non-TPA CQE */
1436 if ((!fp->disable_tpa) &&
1437 (TPA_TYPE(cqe_fp_flags) !=
1438 (TPA_TYPE_START | TPA_TYPE_END))) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07001439 u16 queue = cqe->fast_path_cqe.queue_index;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001440
1441 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_START) {
1442 DP(NETIF_MSG_RX_STATUS,
1443 "calling tpa_start on queue %d\n",
1444 queue);
1445
1446 bnx2x_tpa_start(fp, queue, skb,
1447 bd_cons, bd_prod);
1448 goto next_rx;
1449 }
1450
1451 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_END) {
1452 DP(NETIF_MSG_RX_STATUS,
1453 "calling tpa_stop on queue %d\n",
1454 queue);
1455
1456 if (!BNX2X_RX_SUM_FIX(cqe))
1457 BNX2X_ERR("STOP on none TCP "
1458 "data\n");
1459
1460 /* This is a size of the linear data
1461 on this skb */
1462 len = le16_to_cpu(cqe->fast_path_cqe.
1463 len_on_bd);
1464 bnx2x_tpa_stop(bp, fp, queue, pad,
1465 len, cqe, comp_ring_cons);
1466#ifdef BNX2X_STOP_ON_ERROR
1467 if (bp->panic)
1468 return -EINVAL;
1469#endif
1470
1471 bnx2x_update_sge_prod(fp,
1472 &cqe->fast_path_cqe);
1473 goto next_cqe;
1474 }
1475 }
1476
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001477 pci_dma_sync_single_for_device(bp->pdev,
1478 pci_unmap_addr(rx_buf, mapping),
1479 pad + RX_COPY_THRESH,
1480 PCI_DMA_FROMDEVICE);
1481 prefetch(skb);
1482 prefetch(((char *)(skb)) + 128);
1483
1484 /* is this an error packet? */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001485 if (unlikely(cqe_fp_flags & ETH_RX_ERROR_FALGS)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001486 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001487 "ERROR flags %x rx packet %u\n",
1488 cqe_fp_flags, sw_comp_cons);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001489 bp->eth_stats.rx_err_discard_pkt++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001490 goto reuse_rx;
1491 }
1492
1493 /* Since we don't have a jumbo ring
1494 * copy small packets if mtu > 1500
1495 */
1496 if ((bp->dev->mtu > ETH_MAX_PACKET_SIZE) &&
1497 (len <= RX_COPY_THRESH)) {
1498 struct sk_buff *new_skb;
1499
1500 new_skb = netdev_alloc_skb(bp->dev,
1501 len + pad);
1502 if (new_skb == NULL) {
1503 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001504 "ERROR packet dropped "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001505 "because of alloc failure\n");
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001506 bp->eth_stats.rx_skb_alloc_failed++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001507 goto reuse_rx;
1508 }
1509
1510 /* aligned copy */
1511 skb_copy_from_linear_data_offset(skb, pad,
1512 new_skb->data + pad, len);
1513 skb_reserve(new_skb, pad);
1514 skb_put(new_skb, len);
1515
1516 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1517
1518 skb = new_skb;
1519
1520 } else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) {
1521 pci_unmap_single(bp->pdev,
1522 pci_unmap_addr(rx_buf, mapping),
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07001523 bp->rx_buf_size,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001524 PCI_DMA_FROMDEVICE);
1525 skb_reserve(skb, pad);
1526 skb_put(skb, len);
1527
1528 } else {
1529 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001530 "ERROR packet dropped because "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001531 "of alloc failure\n");
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001532 bp->eth_stats.rx_skb_alloc_failed++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001533reuse_rx:
1534 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1535 goto next_rx;
1536 }
1537
1538 skb->protocol = eth_type_trans(skb, bp->dev);
1539
1540 skb->ip_summed = CHECKSUM_NONE;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001541 if (bp->rx_csum) {
Eilon Greenstein1adcd8b2008-08-13 15:48:29 -07001542 if (likely(BNX2X_RX_CSUM_OK(cqe)))
1543 skb->ip_summed = CHECKSUM_UNNECESSARY;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001544 else
1545 bp->eth_stats.hw_csum_err++;
1546 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001547 }
1548
1549#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001550 if ((bp->vlgrp != NULL) &&
1551 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1552 PARSING_FLAGS_VLAN))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001553 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1554 le16_to_cpu(cqe->fast_path_cqe.vlan_tag));
1555 else
1556#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001557 netif_receive_skb(skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001558
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001559
1560next_rx:
1561 rx_buf->skb = NULL;
1562
1563 bd_cons = NEXT_RX_IDX(bd_cons);
1564 bd_prod = NEXT_RX_IDX(bd_prod);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001565 bd_prod_fw = NEXT_RX_IDX(bd_prod_fw);
1566 rx_pkt++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001567next_cqe:
1568 sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod);
1569 sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001570
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001571 if (rx_pkt == budget)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001572 break;
1573 } /* while */
1574
1575 fp->rx_bd_cons = bd_cons;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001576 fp->rx_bd_prod = bd_prod_fw;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001577 fp->rx_comp_cons = sw_comp_cons;
1578 fp->rx_comp_prod = sw_comp_prod;
1579
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001580 /* Update producers */
1581 bnx2x_update_rx_prod(bp, fp, bd_prod_fw, sw_comp_prod,
1582 fp->rx_sge_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001583 mmiowb(); /* keep prod updates ordered */
1584
1585 fp->rx_pkt += rx_pkt;
1586 fp->rx_calls++;
1587
1588 return rx_pkt;
1589}
1590
1591static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie)
1592{
1593 struct bnx2x_fastpath *fp = fp_cookie;
1594 struct bnx2x *bp = fp->bp;
1595 struct net_device *dev = bp->dev;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001596 int index = FP_IDX(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001597
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07001598 /* Return here if interrupt is disabled */
1599 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1600 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1601 return IRQ_HANDLED;
1602 }
1603
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001604 DP(BNX2X_MSG_FP, "got an MSI-X interrupt on IDX:SB [%d:%d]\n",
1605 index, FP_SB_ID(fp));
1606 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID, 0, IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001607
1608#ifdef BNX2X_STOP_ON_ERROR
1609 if (unlikely(bp->panic))
1610 return IRQ_HANDLED;
1611#endif
1612
1613 prefetch(fp->rx_cons_sb);
1614 prefetch(fp->tx_cons_sb);
1615 prefetch(&fp->status_blk->c_status_block.status_block_index);
1616 prefetch(&fp->status_blk->u_status_block.status_block_index);
1617
Neil Horman908a7a12008-12-22 20:43:12 -08001618 netif_rx_schedule(&bnx2x_fp(bp, index, napi));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001619
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001620 return IRQ_HANDLED;
1621}
1622
1623static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
1624{
1625 struct net_device *dev = dev_instance;
1626 struct bnx2x *bp = netdev_priv(dev);
1627 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001628 u16 mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001629
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001630 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001631 if (unlikely(status == 0)) {
1632 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1633 return IRQ_NONE;
1634 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001635 DP(NETIF_MSG_INTR, "got an interrupt status %u\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001636
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001637 /* Return here if interrupt is disabled */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001638 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1639 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1640 return IRQ_HANDLED;
1641 }
1642
Eilon Greenstein3196a882008-08-13 15:58:49 -07001643#ifdef BNX2X_STOP_ON_ERROR
1644 if (unlikely(bp->panic))
1645 return IRQ_HANDLED;
1646#endif
1647
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001648 mask = 0x2 << bp->fp[0].sb_id;
1649 if (status & mask) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001650 struct bnx2x_fastpath *fp = &bp->fp[0];
1651
1652 prefetch(fp->rx_cons_sb);
1653 prefetch(fp->tx_cons_sb);
1654 prefetch(&fp->status_blk->c_status_block.status_block_index);
1655 prefetch(&fp->status_blk->u_status_block.status_block_index);
1656
Neil Horman908a7a12008-12-22 20:43:12 -08001657 netif_rx_schedule(&bnx2x_fp(bp, 0, napi));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001658
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001659 status &= ~mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001660 }
1661
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001662
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001663 if (unlikely(status & 0x1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001664 schedule_work(&bp->sp_task);
1665
1666 status &= ~0x1;
1667 if (!status)
1668 return IRQ_HANDLED;
1669 }
1670
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001671 if (status)
1672 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status %u)\n",
1673 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001674
1675 return IRQ_HANDLED;
1676}
1677
1678/* end of fast path */
1679
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07001680static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001681
1682/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001683
1684/*
1685 * General service functions
1686 */
1687
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001688static int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001689{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001690 u32 lock_status;
1691 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001692 int func = BP_FUNC(bp);
1693 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001694 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001695
1696 /* Validating that the resource is within range */
1697 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1698 DP(NETIF_MSG_HW,
1699 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1700 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1701 return -EINVAL;
1702 }
1703
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001704 if (func <= 5) {
1705 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1706 } else {
1707 hw_lock_control_reg =
1708 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1709 }
1710
Eliezer Tamirf1410642008-02-28 11:51:50 -08001711 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001712 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001713 if (lock_status & resource_bit) {
1714 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1715 lock_status, resource_bit);
1716 return -EEXIST;
1717 }
1718
Eilon Greenstein46230476b2008-08-25 15:23:30 -07001719 /* Try for 5 second every 5ms */
1720 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001721 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001722 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1723 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001724 if (lock_status & resource_bit)
1725 return 0;
1726
1727 msleep(5);
1728 }
1729 DP(NETIF_MSG_HW, "Timeout\n");
1730 return -EAGAIN;
1731}
1732
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001733static int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001734{
1735 u32 lock_status;
1736 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001737 int func = BP_FUNC(bp);
1738 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001739
1740 /* Validating that the resource is within range */
1741 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1742 DP(NETIF_MSG_HW,
1743 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1744 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1745 return -EINVAL;
1746 }
1747
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001748 if (func <= 5) {
1749 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1750 } else {
1751 hw_lock_control_reg =
1752 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1753 }
1754
Eliezer Tamirf1410642008-02-28 11:51:50 -08001755 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001756 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001757 if (!(lock_status & resource_bit)) {
1758 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1759 lock_status, resource_bit);
1760 return -EFAULT;
1761 }
1762
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001763 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001764 return 0;
1765}
1766
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001767/* HW Lock for shared dual port PHYs */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001768static void bnx2x_acquire_phy_lock(struct bnx2x *bp)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001769{
1770 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1771
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001772 mutex_lock(&bp->port.phy_mutex);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001773
1774 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1775 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001776 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001777}
1778
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001779static void bnx2x_release_phy_lock(struct bnx2x *bp)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001780{
1781 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1782
1783 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1784 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001785 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001786
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001787 mutex_unlock(&bp->port.phy_mutex);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001788}
1789
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001790int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001791{
1792 /* The GPIO should be swapped if swap register is set and active */
1793 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001794 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001795 int gpio_shift = gpio_num +
1796 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1797 u32 gpio_mask = (1 << gpio_shift);
1798 u32 gpio_reg;
1799
1800 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1801 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1802 return -EINVAL;
1803 }
1804
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001805 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001806 /* read GPIO and mask except the float bits */
1807 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1808
1809 switch (mode) {
1810 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1811 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1812 gpio_num, gpio_shift);
1813 /* clear FLOAT and set CLR */
1814 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1815 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1816 break;
1817
1818 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1819 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1820 gpio_num, gpio_shift);
1821 /* clear FLOAT and set SET */
1822 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1823 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1824 break;
1825
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001826 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001827 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1828 gpio_num, gpio_shift);
1829 /* set FLOAT */
1830 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1831 break;
1832
1833 default:
1834 break;
1835 }
1836
1837 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001838 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001839
1840 return 0;
1841}
1842
1843static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1844{
1845 u32 spio_mask = (1 << spio_num);
1846 u32 spio_reg;
1847
1848 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1849 (spio_num > MISC_REGISTERS_SPIO_7)) {
1850 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1851 return -EINVAL;
1852 }
1853
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001854 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001855 /* read SPIO and mask except the float bits */
1856 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1857
1858 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07001859 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001860 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1861 /* clear FLOAT and set CLR */
1862 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1863 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1864 break;
1865
Eilon Greenstein6378c022008-08-13 15:59:25 -07001866 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001867 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1868 /* clear FLOAT and set SET */
1869 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1870 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1871 break;
1872
1873 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1874 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1875 /* set FLOAT */
1876 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1877 break;
1878
1879 default:
1880 break;
1881 }
1882
1883 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001884 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001885
1886 return 0;
1887}
1888
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001889static void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001890{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001891 switch (bp->link_vars.ieee_fc) {
1892 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001893 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001894 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001895 break;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001896 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001897 bp->port.advertising |= (ADVERTISED_Asym_Pause |
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001898 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001899 break;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001900 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001901 bp->port.advertising |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001902 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001903 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001904 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001905 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001906 break;
1907 }
1908}
1909
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001910static void bnx2x_link_report(struct bnx2x *bp)
1911{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001912 if (bp->link_vars.link_up) {
1913 if (bp->state == BNX2X_STATE_OPEN)
1914 netif_carrier_on(bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001915 printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
1916
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001917 printk("%d Mbps ", bp->link_vars.line_speed);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001918
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001919 if (bp->link_vars.duplex == DUPLEX_FULL)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001920 printk("full duplex");
1921 else
1922 printk("half duplex");
1923
David S. Millerc0700f92008-12-16 23:53:20 -08001924 if (bp->link_vars.flow_ctrl != BNX2X_FLOW_CTRL_NONE) {
1925 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_RX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001926 printk(", receive ");
David S. Millerc0700f92008-12-16 23:53:20 -08001927 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001928 printk("& transmit ");
1929 } else {
1930 printk(", transmit ");
1931 }
1932 printk("flow control ON");
1933 }
1934 printk("\n");
1935
1936 } else { /* link_down */
1937 netif_carrier_off(bp->dev);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001938 printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001939 }
1940}
1941
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001942static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001943{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001944 if (!BP_NOMCP(bp)) {
1945 u8 rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001946
Eilon Greenstein19680c42008-08-13 15:47:33 -07001947 /* Initialize link parameters structure variables */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001948 /* It is recommended to turn off RX FC for jumbo frames
1949 for better performance */
1950 if (IS_E1HMF(bp))
David S. Millerc0700f92008-12-16 23:53:20 -08001951 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001952 else if (bp->dev->mtu > 5000)
David S. Millerc0700f92008-12-16 23:53:20 -08001953 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001954 else
David S. Millerc0700f92008-12-16 23:53:20 -08001955 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001956
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001957 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001958 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001959 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001960
Eilon Greenstein19680c42008-08-13 15:47:33 -07001961 if (bp->link_vars.link_up)
1962 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001963
Eilon Greenstein19680c42008-08-13 15:47:33 -07001964 bnx2x_calc_fc_adv(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001965
Eilon Greenstein19680c42008-08-13 15:47:33 -07001966 return rc;
1967 }
1968 BNX2X_ERR("Bootcode is missing -not initializing link\n");
1969 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001970}
1971
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001972static void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001973{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001974 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001975 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001976 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001977 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001978
Eilon Greenstein19680c42008-08-13 15:47:33 -07001979 bnx2x_calc_fc_adv(bp);
1980 } else
1981 BNX2X_ERR("Bootcode is missing -not setting link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001982}
1983
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001984static void bnx2x__link_reset(struct bnx2x *bp)
1985{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001986 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001987 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001988 bnx2x_link_reset(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001989 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001990 } else
1991 BNX2X_ERR("Bootcode is missing -not resetting link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001992}
1993
1994static u8 bnx2x_link_test(struct bnx2x *bp)
1995{
1996 u8 rc;
1997
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001998 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001999 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002000 bnx2x_release_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002001
2002 return rc;
2003}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002004
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002005/* Calculates the sum of vn_min_rates.
2006 It's needed for further normalizing of the min_rates.
2007
2008 Returns:
2009 sum of vn_min_rates
2010 or
2011 0 - if all the min_rates are 0.
Eilon Greenstein33471622008-08-13 15:59:08 -07002012 In the later case fairness algorithm should be deactivated.
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002013 If not all min_rates are zero then those that are zeroes will
2014 be set to 1.
2015 */
2016static u32 bnx2x_calc_vn_wsum(struct bnx2x *bp)
2017{
2018 int i, port = BP_PORT(bp);
2019 u32 wsum = 0;
2020 int all_zero = 1;
2021
2022 for (i = 0; i < E1HVN_MAX; i++) {
2023 u32 vn_cfg =
2024 SHMEM_RD(bp, mf_cfg.func_mf_config[2*i + port].config);
2025 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2026 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2027 if (!(vn_cfg & FUNC_MF_CFG_FUNC_HIDE)) {
2028 /* If min rate is zero - set it to 1 */
2029 if (!vn_min_rate)
2030 vn_min_rate = DEF_MIN_RATE;
2031 else
2032 all_zero = 0;
2033
2034 wsum += vn_min_rate;
2035 }
2036 }
2037
2038 /* ... only if all min rates are zeros - disable FAIRNESS */
2039 if (all_zero)
2040 return 0;
2041
2042 return wsum;
2043}
2044
2045static void bnx2x_init_port_minmax(struct bnx2x *bp,
2046 int en_fness,
2047 u16 port_rate,
2048 struct cmng_struct_per_port *m_cmng_port)
2049{
2050 u32 r_param = port_rate / 8;
2051 int port = BP_PORT(bp);
2052 int i;
2053
2054 memset(m_cmng_port, 0, sizeof(struct cmng_struct_per_port));
2055
2056 /* Enable minmax only if we are in e1hmf mode */
2057 if (IS_E1HMF(bp)) {
2058 u32 fair_periodic_timeout_usec;
2059 u32 t_fair;
2060
2061 /* Enable rate shaping and fairness */
2062 m_cmng_port->flags.cmng_vn_enable = 1;
2063 m_cmng_port->flags.fairness_enable = en_fness ? 1 : 0;
2064 m_cmng_port->flags.rate_shaping_enable = 1;
2065
2066 if (!en_fness)
2067 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2068 " fairness will be disabled\n");
2069
2070 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
2071 m_cmng_port->rs_vars.rs_periodic_timeout =
2072 RS_PERIODIC_TIMEOUT_USEC / 4;
2073
2074 /* this is the threshold below which no timer arming will occur
2075 1.25 coefficient is for the threshold to be a little bigger
2076 than the real time, to compensate for timer in-accuracy */
2077 m_cmng_port->rs_vars.rs_threshold =
2078 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
2079
2080 /* resolution of fairness timer */
2081 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
2082 /* for 10G it is 1000usec. for 1G it is 10000usec. */
2083 t_fair = T_FAIR_COEF / port_rate;
2084
2085 /* this is the threshold below which we won't arm
2086 the timer anymore */
2087 m_cmng_port->fair_vars.fair_threshold = QM_ARB_BYTES;
2088
2089 /* we multiply by 1e3/8 to get bytes/msec.
2090 We don't want the credits to pass a credit
2091 of the T_FAIR*FAIR_MEM (algorithm resolution) */
2092 m_cmng_port->fair_vars.upper_bound =
2093 r_param * t_fair * FAIR_MEM;
2094 /* since each tick is 4 usec */
2095 m_cmng_port->fair_vars.fairness_timeout =
2096 fair_periodic_timeout_usec / 4;
2097
2098 } else {
2099 /* Disable rate shaping and fairness */
2100 m_cmng_port->flags.cmng_vn_enable = 0;
2101 m_cmng_port->flags.fairness_enable = 0;
2102 m_cmng_port->flags.rate_shaping_enable = 0;
2103
2104 DP(NETIF_MSG_IFUP,
2105 "Single function mode minmax will be disabled\n");
2106 }
2107
2108 /* Store it to internal memory */
2109 for (i = 0; i < sizeof(struct cmng_struct_per_port) / 4; i++)
2110 REG_WR(bp, BAR_XSTRORM_INTMEM +
2111 XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i * 4,
2112 ((u32 *)(m_cmng_port))[i]);
2113}
2114
2115static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func,
2116 u32 wsum, u16 port_rate,
2117 struct cmng_struct_per_port *m_cmng_port)
2118{
2119 struct rate_shaping_vars_per_vn m_rs_vn;
2120 struct fairness_vars_per_vn m_fair_vn;
2121 u32 vn_cfg = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
2122 u16 vn_min_rate, vn_max_rate;
2123 int i;
2124
2125 /* If function is hidden - set min and max to zeroes */
2126 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
2127 vn_min_rate = 0;
2128 vn_max_rate = 0;
2129
2130 } else {
2131 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2132 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2133 /* If FAIRNESS is enabled (not all min rates are zeroes) and
2134 if current min rate is zero - set it to 1.
Eilon Greenstein33471622008-08-13 15:59:08 -07002135 This is a requirement of the algorithm. */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002136 if ((vn_min_rate == 0) && wsum)
2137 vn_min_rate = DEF_MIN_RATE;
2138 vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
2139 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
2140 }
2141
2142 DP(NETIF_MSG_IFUP, "func %d: vn_min_rate=%d vn_max_rate=%d "
2143 "wsum=%d\n", func, vn_min_rate, vn_max_rate, wsum);
2144
2145 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
2146 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
2147
2148 /* global vn counter - maximal Mbps for this vn */
2149 m_rs_vn.vn_counter.rate = vn_max_rate;
2150
2151 /* quota - number of bytes transmitted in this period */
2152 m_rs_vn.vn_counter.quota =
2153 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2154
2155#ifdef BNX2X_PER_PROT_QOS
2156 /* per protocol counter */
2157 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++) {
2158 /* maximal Mbps for this protocol */
2159 m_rs_vn.protocol_counters[protocol].rate =
2160 protocol_max_rate[protocol];
2161 /* the quota in each timer period -
2162 number of bytes transmitted in this period */
2163 m_rs_vn.protocol_counters[protocol].quota =
2164 (u32)(rs_periodic_timeout_usec *
2165 ((double)m_rs_vn.
2166 protocol_counters[protocol].rate/8));
2167 }
2168#endif
2169
2170 if (wsum) {
2171 /* credit for each period of the fairness algorithm:
2172 number of bytes in T_FAIR (the vn share the port rate).
2173 wsum should not be larger than 10000, thus
2174 T_FAIR_COEF / (8 * wsum) will always be grater than zero */
2175 m_fair_vn.vn_credit_delta =
2176 max((u64)(vn_min_rate * (T_FAIR_COEF / (8 * wsum))),
2177 (u64)(m_cmng_port->fair_vars.fair_threshold * 2));
2178 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta=%d\n",
2179 m_fair_vn.vn_credit_delta);
2180 }
2181
2182#ifdef BNX2X_PER_PROT_QOS
2183 do {
2184 u32 protocolWeightSum = 0;
2185
2186 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++)
2187 protocolWeightSum +=
2188 drvInit.protocol_min_rate[protocol];
2189 /* per protocol counter -
2190 NOT NEEDED IF NO PER-PROTOCOL CONGESTION MANAGEMENT */
2191 if (protocolWeightSum > 0) {
2192 for (protocol = 0;
2193 protocol < NUM_OF_PROTOCOLS; protocol++)
2194 /* credit for each period of the
2195 fairness algorithm - number of bytes in
2196 T_FAIR (the protocol share the vn rate) */
2197 m_fair_vn.protocol_credit_delta[protocol] =
2198 (u32)((vn_min_rate / 8) * t_fair *
2199 protocol_min_rate / protocolWeightSum);
2200 }
2201 } while (0);
2202#endif
2203
2204 /* Store it to internal memory */
2205 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2206 REG_WR(bp, BAR_XSTRORM_INTMEM +
2207 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2208 ((u32 *)(&m_rs_vn))[i]);
2209
2210 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2211 REG_WR(bp, BAR_XSTRORM_INTMEM +
2212 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2213 ((u32 *)(&m_fair_vn))[i]);
2214}
2215
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002216/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002217static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002218{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002219 int vn;
2220
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002221 /* Make sure that we are synced with the current statistics */
2222 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2223
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002224 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002225 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002226 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002227
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002228 if (bp->link_vars.link_up) {
2229
2230 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2231 struct host_port_stats *pstats;
2232
2233 pstats = bnx2x_sp(bp, port_stats);
2234 /* reset old bmac stats */
2235 memset(&(pstats->mac_stx[0]), 0,
2236 sizeof(struct mac_stx));
2237 }
2238 if ((bp->state == BNX2X_STATE_OPEN) ||
2239 (bp->state == BNX2X_STATE_DISABLED))
2240 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2241 }
2242
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002243 /* indicate link status */
2244 bnx2x_link_report(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002245
2246 if (IS_E1HMF(bp)) {
2247 int func;
2248
2249 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2250 if (vn == BP_E1HVN(bp))
2251 continue;
2252
2253 func = ((vn << 1) | BP_PORT(bp));
2254
2255 /* Set the attention towards other drivers
2256 on the same port */
2257 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2258 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2259 }
2260 }
2261
2262 if (CHIP_IS_E1H(bp) && (bp->link_vars.line_speed > 0)) {
2263 struct cmng_struct_per_port m_cmng_port;
2264 u32 wsum;
2265 int port = BP_PORT(bp);
2266
2267 /* Init RATE SHAPING and FAIRNESS contexts */
2268 wsum = bnx2x_calc_vn_wsum(bp);
2269 bnx2x_init_port_minmax(bp, (int)wsum,
2270 bp->link_vars.line_speed,
2271 &m_cmng_port);
2272 if (IS_E1HMF(bp))
2273 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2274 bnx2x_init_vn_minmax(bp, 2*vn + port,
2275 wsum, bp->link_vars.line_speed,
2276 &m_cmng_port);
2277 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002278}
2279
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002280static void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002281{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002282 if (bp->state != BNX2X_STATE_OPEN)
2283 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002284
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002285 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2286
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002287 if (bp->link_vars.link_up)
2288 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2289 else
2290 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2291
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002292 /* indicate link status */
2293 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002294}
2295
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002296static void bnx2x_pmf_update(struct bnx2x *bp)
2297{
2298 int port = BP_PORT(bp);
2299 u32 val;
2300
2301 bp->port.pmf = 1;
2302 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2303
2304 /* enable nig attention */
2305 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
2306 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2307 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002308
2309 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002310}
2311
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002312/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002313
2314/* slow path */
2315
2316/*
2317 * General service functions
2318 */
2319
2320/* the slow path queue is odd since completions arrive on the fastpath ring */
2321static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
2322 u32 data_hi, u32 data_lo, int common)
2323{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002324 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002325
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002326 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
2327 "SPQE (%x:%x) command %d hw_cid %x data (%x:%x) left %x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002328 (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) +
2329 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
2330 HW_CID(bp, cid), data_hi, data_lo, bp->spq_left);
2331
2332#ifdef BNX2X_STOP_ON_ERROR
2333 if (unlikely(bp->panic))
2334 return -EIO;
2335#endif
2336
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002337 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002338
2339 if (!bp->spq_left) {
2340 BNX2X_ERR("BUG! SPQ ring full!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002341 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002342 bnx2x_panic();
2343 return -EBUSY;
2344 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08002345
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002346 /* CID needs port number to be encoded int it */
2347 bp->spq_prod_bd->hdr.conn_and_cmd_data =
2348 cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) |
2349 HW_CID(bp, cid)));
2350 bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE);
2351 if (common)
2352 bp->spq_prod_bd->hdr.type |=
2353 cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT));
2354
2355 bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi);
2356 bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo);
2357
2358 bp->spq_left--;
2359
2360 if (bp->spq_prod_bd == bp->spq_last_bd) {
2361 bp->spq_prod_bd = bp->spq;
2362 bp->spq_prod_idx = 0;
2363 DP(NETIF_MSG_TIMER, "end of spq\n");
2364
2365 } else {
2366 bp->spq_prod_bd++;
2367 bp->spq_prod_idx++;
2368 }
2369
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002370 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002371 bp->spq_prod_idx);
2372
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002373 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002374 return 0;
2375}
2376
2377/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002378static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002379{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002380 u32 i, j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002381 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002382
2383 might_sleep();
2384 i = 100;
2385 for (j = 0; j < i*10; j++) {
2386 val = (1UL << 31);
2387 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2388 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2389 if (val & (1L << 31))
2390 break;
2391
2392 msleep(5);
2393 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002394 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07002395 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002396 rc = -EBUSY;
2397 }
2398
2399 return rc;
2400}
2401
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002402/* release split MCP access lock register */
2403static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002404{
2405 u32 val = 0;
2406
2407 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2408}
2409
2410static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2411{
2412 struct host_def_status_block *def_sb = bp->def_status_blk;
2413 u16 rc = 0;
2414
2415 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002416 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2417 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
2418 rc |= 1;
2419 }
2420 if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) {
2421 bp->def_c_idx = def_sb->c_def_status_block.status_block_index;
2422 rc |= 2;
2423 }
2424 if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) {
2425 bp->def_u_idx = def_sb->u_def_status_block.status_block_index;
2426 rc |= 4;
2427 }
2428 if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) {
2429 bp->def_x_idx = def_sb->x_def_status_block.status_block_index;
2430 rc |= 8;
2431 }
2432 if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) {
2433 bp->def_t_idx = def_sb->t_def_status_block.status_block_index;
2434 rc |= 16;
2435 }
2436 return rc;
2437}
2438
2439/*
2440 * slow path service functions
2441 */
2442
2443static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2444{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002445 int port = BP_PORT(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07002446 u32 hc_addr = (HC_REG_COMMAND_REG + port*32 +
2447 COMMAND_REG_ATTN_BITS_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002448 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2449 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002450 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2451 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002452 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002453
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002454 if (bp->attn_state & asserted)
2455 BNX2X_ERR("IGU ERROR\n");
2456
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002457 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2458 aeu_mask = REG_RD(bp, aeu_addr);
2459
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002460 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002461 aeu_mask, asserted);
2462 aeu_mask &= ~(asserted & 0xff);
2463 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002464
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002465 REG_WR(bp, aeu_addr, aeu_mask);
2466 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002467
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002468 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002469 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002470 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002471
2472 if (asserted & ATTN_HARD_WIRED_MASK) {
2473 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002474
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002475 /* save nig interrupt mask */
2476 bp->nig_mask = REG_RD(bp, nig_int_mask_addr);
2477 REG_WR(bp, nig_int_mask_addr, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002478
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002479 bnx2x_link_attn(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002480
2481 /* handle unicore attn? */
2482 }
2483 if (asserted & ATTN_SW_TIMER_4_FUNC)
2484 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2485
2486 if (asserted & GPIO_2_FUNC)
2487 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2488
2489 if (asserted & GPIO_3_FUNC)
2490 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2491
2492 if (asserted & GPIO_4_FUNC)
2493 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2494
2495 if (port == 0) {
2496 if (asserted & ATTN_GENERAL_ATTN_1) {
2497 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2498 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2499 }
2500 if (asserted & ATTN_GENERAL_ATTN_2) {
2501 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2502 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2503 }
2504 if (asserted & ATTN_GENERAL_ATTN_3) {
2505 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2506 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2507 }
2508 } else {
2509 if (asserted & ATTN_GENERAL_ATTN_4) {
2510 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2511 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2512 }
2513 if (asserted & ATTN_GENERAL_ATTN_5) {
2514 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2515 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2516 }
2517 if (asserted & ATTN_GENERAL_ATTN_6) {
2518 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2519 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2520 }
2521 }
2522
2523 } /* if hardwired */
2524
Eilon Greenstein5c862842008-08-13 15:51:48 -07002525 DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2526 asserted, hc_addr);
2527 REG_WR(bp, hc_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002528
2529 /* now set back the mask */
2530 if (asserted & ATTN_NIG_FOR_FUNC)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002531 REG_WR(bp, nig_int_mask_addr, bp->nig_mask);
2532}
2533
2534static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2535{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002536 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002537 int reg_offset;
2538 u32 val;
2539
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002540 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2541 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002542
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002543 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002544
2545 val = REG_RD(bp, reg_offset);
2546 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2547 REG_WR(bp, reg_offset, val);
2548
2549 BNX2X_ERR("SPIO5 hw attention\n");
2550
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002551 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
Eilon Greenstein7add9052008-08-25 15:20:48 -07002552 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002553 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
2554 /* Fan failure attention */
2555
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002556 /* The PHY reset is controlled by GPIO 1 */
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002557 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002558 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
2559 /* Low power mode is controlled by GPIO 2 */
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002560 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002561 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002562 /* mark the failure */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002563 bp->link_params.ext_phy_config &=
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002564 ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002565 bp->link_params.ext_phy_config |=
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002566 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
2567 SHMEM_WR(bp,
2568 dev_info.port_hw_config[port].
2569 external_phy_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002570 bp->link_params.ext_phy_config);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002571 /* log the failure */
2572 printk(KERN_ERR PFX "Fan Failure on Network"
2573 " Controller %s has caused the driver to"
2574 " shutdown the card to prevent permanent"
2575 " damage. Please contact Dell Support for"
2576 " assistance\n", bp->dev->name);
2577 break;
2578
2579 default:
2580 break;
2581 }
2582 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002583
2584 if (attn & HW_INTERRUT_ASSERT_SET_0) {
2585
2586 val = REG_RD(bp, reg_offset);
2587 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
2588 REG_WR(bp, reg_offset, val);
2589
2590 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
2591 (attn & HW_INTERRUT_ASSERT_SET_0));
2592 bnx2x_panic();
2593 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002594}
2595
2596static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
2597{
2598 u32 val;
2599
2600 if (attn & BNX2X_DOORQ_ASSERT) {
2601
2602 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
2603 BNX2X_ERR("DB hw attention 0x%x\n", val);
2604 /* DORQ discard attention */
2605 if (val & 0x2)
2606 BNX2X_ERR("FATAL error from DORQ\n");
2607 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002608
2609 if (attn & HW_INTERRUT_ASSERT_SET_1) {
2610
2611 int port = BP_PORT(bp);
2612 int reg_offset;
2613
2614 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
2615 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
2616
2617 val = REG_RD(bp, reg_offset);
2618 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
2619 REG_WR(bp, reg_offset, val);
2620
2621 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
2622 (attn & HW_INTERRUT_ASSERT_SET_1));
2623 bnx2x_panic();
2624 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002625}
2626
2627static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
2628{
2629 u32 val;
2630
2631 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
2632
2633 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
2634 BNX2X_ERR("CFC hw attention 0x%x\n", val);
2635 /* CFC error attention */
2636 if (val & 0x2)
2637 BNX2X_ERR("FATAL error from CFC\n");
2638 }
2639
2640 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
2641
2642 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
2643 BNX2X_ERR("PXP hw attention 0x%x\n", val);
2644 /* RQ_USDMDP_FIFO_OVERFLOW */
2645 if (val & 0x18000)
2646 BNX2X_ERR("FATAL error from PXP\n");
2647 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002648
2649 if (attn & HW_INTERRUT_ASSERT_SET_2) {
2650
2651 int port = BP_PORT(bp);
2652 int reg_offset;
2653
2654 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
2655 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
2656
2657 val = REG_RD(bp, reg_offset);
2658 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
2659 REG_WR(bp, reg_offset, val);
2660
2661 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
2662 (attn & HW_INTERRUT_ASSERT_SET_2));
2663 bnx2x_panic();
2664 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002665}
2666
2667static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
2668{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002669 u32 val;
2670
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002671 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
2672
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002673 if (attn & BNX2X_PMF_LINK_ASSERT) {
2674 int func = BP_FUNC(bp);
2675
2676 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
2677 bnx2x__link_status_update(bp);
2678 if (SHMEM_RD(bp, func_mb[func].drv_status) &
2679 DRV_STATUS_PMF)
2680 bnx2x_pmf_update(bp);
2681
2682 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002683
2684 BNX2X_ERR("MC assert!\n");
2685 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
2686 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
2687 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
2688 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
2689 bnx2x_panic();
2690
2691 } else if (attn & BNX2X_MCP_ASSERT) {
2692
2693 BNX2X_ERR("MCP assert!\n");
2694 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002695 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002696
2697 } else
2698 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
2699 }
2700
2701 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002702 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
2703 if (attn & BNX2X_GRC_TIMEOUT) {
2704 val = CHIP_IS_E1H(bp) ?
2705 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN) : 0;
2706 BNX2X_ERR("GRC time-out 0x%08x\n", val);
2707 }
2708 if (attn & BNX2X_GRC_RSV) {
2709 val = CHIP_IS_E1H(bp) ?
2710 REG_RD(bp, MISC_REG_GRC_RSV_ATTN) : 0;
2711 BNX2X_ERR("GRC reserved 0x%08x\n", val);
2712 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002713 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002714 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002715}
2716
2717static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
2718{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002719 struct attn_route attn;
2720 struct attn_route group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002721 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002722 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002723 u32 reg_addr;
2724 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002725 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002726
2727 /* need to take HW lock because MCP or other port might also
2728 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002729 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002730
2731 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
2732 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
2733 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
2734 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002735 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x\n",
2736 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002737
2738 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
2739 if (deasserted & (1 << index)) {
2740 group_mask = bp->attn_group[index];
2741
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002742 DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x\n",
2743 index, group_mask.sig[0], group_mask.sig[1],
2744 group_mask.sig[2], group_mask.sig[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002745
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002746 bnx2x_attn_int_deasserted3(bp,
2747 attn.sig[3] & group_mask.sig[3]);
2748 bnx2x_attn_int_deasserted1(bp,
2749 attn.sig[1] & group_mask.sig[1]);
2750 bnx2x_attn_int_deasserted2(bp,
2751 attn.sig[2] & group_mask.sig[2]);
2752 bnx2x_attn_int_deasserted0(bp,
2753 attn.sig[0] & group_mask.sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002754
2755 if ((attn.sig[0] & group_mask.sig[0] &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002756 HW_PRTY_ASSERT_SET_0) ||
2757 (attn.sig[1] & group_mask.sig[1] &
2758 HW_PRTY_ASSERT_SET_1) ||
2759 (attn.sig[2] & group_mask.sig[2] &
2760 HW_PRTY_ASSERT_SET_2))
Eilon Greenstein6378c022008-08-13 15:59:25 -07002761 BNX2X_ERR("FATAL HW block parity attention\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002762 }
2763 }
2764
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002765 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002766
Eilon Greenstein5c862842008-08-13 15:51:48 -07002767 reg_addr = (HC_REG_COMMAND_REG + port*32 + COMMAND_REG_ATTN_BITS_CLR);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002768
2769 val = ~deasserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002770 DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2771 val, reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07002772 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002773
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002774 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002775 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002776
2777 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2778 MISC_REG_AEU_MASK_ATTN_FUNC_0;
2779
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002780 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2781 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002782
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002783 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
2784 aeu_mask, deasserted);
2785 aeu_mask |= (deasserted & 0xff);
2786 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
2787
2788 REG_WR(bp, reg_addr, aeu_mask);
2789 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002790
2791 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2792 bp->attn_state &= ~deasserted;
2793 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2794}
2795
2796static void bnx2x_attn_int(struct bnx2x *bp)
2797{
2798 /* read local copy of bits */
2799 u32 attn_bits = bp->def_status_blk->atten_status_block.attn_bits;
2800 u32 attn_ack = bp->def_status_blk->atten_status_block.attn_bits_ack;
2801 u32 attn_state = bp->attn_state;
2802
2803 /* look for changed bits */
2804 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
2805 u32 deasserted = ~attn_bits & attn_ack & attn_state;
2806
2807 DP(NETIF_MSG_HW,
2808 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
2809 attn_bits, attn_ack, asserted, deasserted);
2810
2811 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002812 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002813
2814 /* handle bits that were raised */
2815 if (asserted)
2816 bnx2x_attn_int_asserted(bp, asserted);
2817
2818 if (deasserted)
2819 bnx2x_attn_int_deasserted(bp, deasserted);
2820}
2821
2822static void bnx2x_sp_task(struct work_struct *work)
2823{
2824 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task);
2825 u16 status;
2826
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002827
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002828 /* Return here if interrupt is disabled */
2829 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07002830 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002831 return;
2832 }
2833
2834 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002835/* if (status == 0) */
2836/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002837
Eilon Greenstein3196a882008-08-13 15:58:49 -07002838 DP(NETIF_MSG_INTR, "got a slowpath interrupt (updated %x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002839
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002840 /* HW attentions */
2841 if (status & 0x1)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002842 bnx2x_attn_int(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002843
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002844 /* CStorm events: query_stats, port delete ramrod */
2845 if (status & 0x2)
2846 bp->stats_pending = 0;
2847
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002848 bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, bp->def_att_idx,
2849 IGU_INT_NOP, 1);
2850 bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx),
2851 IGU_INT_NOP, 1);
2852 bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx),
2853 IGU_INT_NOP, 1);
2854 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx),
2855 IGU_INT_NOP, 1);
2856 bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx),
2857 IGU_INT_ENABLE, 1);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002858
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002859}
2860
2861static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
2862{
2863 struct net_device *dev = dev_instance;
2864 struct bnx2x *bp = netdev_priv(dev);
2865
2866 /* Return here if interrupt is disabled */
2867 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07002868 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002869 return IRQ_HANDLED;
2870 }
2871
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002872 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, 0, IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002873
2874#ifdef BNX2X_STOP_ON_ERROR
2875 if (unlikely(bp->panic))
2876 return IRQ_HANDLED;
2877#endif
2878
2879 schedule_work(&bp->sp_task);
2880
2881 return IRQ_HANDLED;
2882}
2883
2884/* end of slow path */
2885
2886/* Statistics */
2887
2888/****************************************************************************
2889* Macros
2890****************************************************************************/
2891
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002892/* sum[hi:lo] += add[hi:lo] */
2893#define ADD_64(s_hi, a_hi, s_lo, a_lo) \
2894 do { \
2895 s_lo += a_lo; \
2896 s_hi += a_hi + (s_lo < a_lo) ? 1 : 0; \
2897 } while (0)
2898
2899/* difference = minuend - subtrahend */
2900#define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
2901 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002902 if (m_lo < s_lo) { \
2903 /* underflow */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002904 d_hi = m_hi - s_hi; \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002905 if (d_hi > 0) { \
Eilon Greenstein6378c022008-08-13 15:59:25 -07002906 /* we can 'loan' 1 */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002907 d_hi--; \
2908 d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002909 } else { \
Eilon Greenstein6378c022008-08-13 15:59:25 -07002910 /* m_hi <= s_hi */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002911 d_hi = 0; \
2912 d_lo = 0; \
2913 } \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002914 } else { \
2915 /* m_lo >= s_lo */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002916 if (m_hi < s_hi) { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002917 d_hi = 0; \
2918 d_lo = 0; \
2919 } else { \
Eilon Greenstein6378c022008-08-13 15:59:25 -07002920 /* m_hi >= s_hi */ \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002921 d_hi = m_hi - s_hi; \
2922 d_lo = m_lo - s_lo; \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002923 } \
2924 } \
2925 } while (0)
2926
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002927#define UPDATE_STAT64(s, t) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002928 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002929 DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
2930 diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
2931 pstats->mac_stx[0].t##_hi = new->s##_hi; \
2932 pstats->mac_stx[0].t##_lo = new->s##_lo; \
2933 ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
2934 pstats->mac_stx[1].t##_lo, diff.lo); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002935 } while (0)
2936
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002937#define UPDATE_STAT64_NIG(s, t) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002938 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002939 DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
2940 diff.lo, new->s##_lo, old->s##_lo); \
2941 ADD_64(estats->t##_hi, diff.hi, \
2942 estats->t##_lo, diff.lo); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002943 } while (0)
2944
2945/* sum[hi:lo] += add */
2946#define ADD_EXTEND_64(s_hi, s_lo, a) \
2947 do { \
2948 s_lo += a; \
2949 s_hi += (s_lo < a) ? 1 : 0; \
2950 } while (0)
2951
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002952#define UPDATE_EXTEND_STAT(s) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002953 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002954 ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
2955 pstats->mac_stx[1].s##_lo, \
2956 new->s); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002957 } while (0)
2958
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002959#define UPDATE_EXTEND_TSTAT(s, t) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002960 do { \
2961 diff = le32_to_cpu(tclient->s) - old_tclient->s; \
2962 old_tclient->s = le32_to_cpu(tclient->s); \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002963 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
2964 } while (0)
2965
2966#define UPDATE_EXTEND_XSTAT(s, t) \
2967 do { \
2968 diff = le32_to_cpu(xclient->s) - old_xclient->s; \
2969 old_xclient->s = le32_to_cpu(xclient->s); \
2970 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002971 } while (0)
2972
2973/*
2974 * General service functions
2975 */
2976
2977static inline long bnx2x_hilo(u32 *hiref)
2978{
2979 u32 lo = *(hiref + 1);
2980#if (BITS_PER_LONG == 64)
2981 u32 hi = *hiref;
2982
2983 return HILO_U64(hi, lo);
2984#else
2985 return lo;
2986#endif
2987}
2988
2989/*
2990 * Init service functions
2991 */
2992
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002993static void bnx2x_storm_stats_post(struct bnx2x *bp)
2994{
2995 if (!bp->stats_pending) {
2996 struct eth_query_ramrod_data ramrod_data = {0};
2997 int rc;
2998
2999 ramrod_data.drv_counter = bp->stats_counter++;
3000 ramrod_data.collect_port_1b = bp->port.pmf ? 1 : 0;
3001 ramrod_data.ctr_id_vector = (1 << BP_CL_ID(bp));
3002
3003 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0,
3004 ((u32 *)&ramrod_data)[1],
3005 ((u32 *)&ramrod_data)[0], 0);
3006 if (rc == 0) {
3007 /* stats ramrod has it's own slot on the spq */
3008 bp->spq_left++;
3009 bp->stats_pending = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003010 }
3011 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003012}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003013
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003014static void bnx2x_stats_init(struct bnx2x *bp)
3015{
3016 int port = BP_PORT(bp);
3017
3018 bp->executer_idx = 0;
3019 bp->stats_counter = 0;
3020
3021 /* port stats */
3022 if (!BP_NOMCP(bp))
3023 bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
3024 else
3025 bp->port.port_stx = 0;
3026 DP(BNX2X_MSG_STATS, "port_stx 0x%x\n", bp->port.port_stx);
3027
3028 memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
3029 bp->port.old_nig_stats.brb_discard =
3030 REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003031 bp->port.old_nig_stats.brb_truncate =
3032 REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003033 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
3034 &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
3035 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
3036 &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
3037
3038 /* function stats */
3039 memset(&bp->dev->stats, 0, sizeof(struct net_device_stats));
3040 memset(&bp->old_tclient, 0, sizeof(struct tstorm_per_client_stats));
3041 memset(&bp->old_xclient, 0, sizeof(struct xstorm_per_client_stats));
3042 memset(&bp->eth_stats, 0, sizeof(struct bnx2x_eth_stats));
3043
3044 bp->stats_state = STATS_STATE_DISABLED;
3045 if (IS_E1HMF(bp) && bp->port.pmf && bp->port.port_stx)
3046 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
3047}
3048
3049static void bnx2x_hw_stats_post(struct bnx2x *bp)
3050{
3051 struct dmae_command *dmae = &bp->stats_dmae;
3052 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3053
3054 *stats_comp = DMAE_COMP_VAL;
3055
3056 /* loader */
3057 if (bp->executer_idx) {
3058 int loader_idx = PMF_DMAE_C(bp);
3059
3060 memset(dmae, 0, sizeof(struct dmae_command));
3061
3062 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3063 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3064 DMAE_CMD_DST_RESET |
3065#ifdef __BIG_ENDIAN
3066 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3067#else
3068 DMAE_CMD_ENDIANITY_DW_SWAP |
3069#endif
3070 (BP_PORT(bp) ? DMAE_CMD_PORT_1 :
3071 DMAE_CMD_PORT_0) |
3072 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3073 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
3074 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
3075 dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
3076 sizeof(struct dmae_command) *
3077 (loader_idx + 1)) >> 2;
3078 dmae->dst_addr_hi = 0;
3079 dmae->len = sizeof(struct dmae_command) >> 2;
3080 if (CHIP_IS_E1(bp))
3081 dmae->len--;
3082 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
3083 dmae->comp_addr_hi = 0;
3084 dmae->comp_val = 1;
3085
3086 *stats_comp = 0;
3087 bnx2x_post_dmae(bp, dmae, loader_idx);
3088
3089 } else if (bp->func_stx) {
3090 *stats_comp = 0;
3091 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
3092 }
3093}
3094
3095static int bnx2x_stats_comp(struct bnx2x *bp)
3096{
3097 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3098 int cnt = 10;
3099
3100 might_sleep();
3101 while (*stats_comp != DMAE_COMP_VAL) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003102 if (!cnt) {
3103 BNX2X_ERR("timeout waiting for stats finished\n");
3104 break;
3105 }
3106 cnt--;
Yitchak Gertner12469402008-08-13 15:52:08 -07003107 msleep(1);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003108 }
3109 return 1;
3110}
3111
3112/*
3113 * Statistics service functions
3114 */
3115
3116static void bnx2x_stats_pmf_update(struct bnx2x *bp)
3117{
3118 struct dmae_command *dmae;
3119 u32 opcode;
3120 int loader_idx = PMF_DMAE_C(bp);
3121 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3122
3123 /* sanity */
3124 if (!IS_E1HMF(bp) || !bp->port.pmf || !bp->port.port_stx) {
3125 BNX2X_ERR("BUG!\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003126 return;
3127 }
3128
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003129 bp->executer_idx = 0;
3130
3131 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3132 DMAE_CMD_C_ENABLE |
3133 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3134#ifdef __BIG_ENDIAN
3135 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3136#else
3137 DMAE_CMD_ENDIANITY_DW_SWAP |
3138#endif
3139 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3140 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3141
3142 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3143 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3144 dmae->src_addr_lo = bp->port.port_stx >> 2;
3145 dmae->src_addr_hi = 0;
3146 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3147 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3148 dmae->len = DMAE_LEN32_RD_MAX;
3149 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3150 dmae->comp_addr_hi = 0;
3151 dmae->comp_val = 1;
3152
3153 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3154 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3155 dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
3156 dmae->src_addr_hi = 0;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003157 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
3158 DMAE_LEN32_RD_MAX * 4);
3159 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
3160 DMAE_LEN32_RD_MAX * 4);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003161 dmae->len = (sizeof(struct host_port_stats) >> 2) - DMAE_LEN32_RD_MAX;
3162 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3163 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3164 dmae->comp_val = DMAE_COMP_VAL;
3165
3166 *stats_comp = 0;
3167 bnx2x_hw_stats_post(bp);
3168 bnx2x_stats_comp(bp);
3169}
3170
3171static void bnx2x_port_stats_init(struct bnx2x *bp)
3172{
3173 struct dmae_command *dmae;
3174 int port = BP_PORT(bp);
3175 int vn = BP_E1HVN(bp);
3176 u32 opcode;
3177 int loader_idx = PMF_DMAE_C(bp);
3178 u32 mac_addr;
3179 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3180
3181 /* sanity */
3182 if (!bp->link_vars.link_up || !bp->port.pmf) {
3183 BNX2X_ERR("BUG!\n");
3184 return;
3185 }
3186
3187 bp->executer_idx = 0;
3188
3189 /* MCP */
3190 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3191 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3192 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3193#ifdef __BIG_ENDIAN
3194 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3195#else
3196 DMAE_CMD_ENDIANITY_DW_SWAP |
3197#endif
3198 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3199 (vn << DMAE_CMD_E1HVN_SHIFT));
3200
3201 if (bp->port.port_stx) {
3202
3203 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3204 dmae->opcode = opcode;
3205 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3206 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3207 dmae->dst_addr_lo = bp->port.port_stx >> 2;
3208 dmae->dst_addr_hi = 0;
3209 dmae->len = sizeof(struct host_port_stats) >> 2;
3210 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3211 dmae->comp_addr_hi = 0;
3212 dmae->comp_val = 1;
3213 }
3214
3215 if (bp->func_stx) {
3216
3217 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3218 dmae->opcode = opcode;
3219 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3220 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3221 dmae->dst_addr_lo = bp->func_stx >> 2;
3222 dmae->dst_addr_hi = 0;
3223 dmae->len = sizeof(struct host_func_stats) >> 2;
3224 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3225 dmae->comp_addr_hi = 0;
3226 dmae->comp_val = 1;
3227 }
3228
3229 /* MAC */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003230 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3231 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3232 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3233#ifdef __BIG_ENDIAN
3234 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3235#else
3236 DMAE_CMD_ENDIANITY_DW_SWAP |
3237#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003238 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3239 (vn << DMAE_CMD_E1HVN_SHIFT));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003240
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07003241 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003242
3243 mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
3244 NIG_REG_INGRESS_BMAC0_MEM);
3245
3246 /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
3247 BIGMAC_REGISTER_TX_STAT_GTBYT */
3248 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3249 dmae->opcode = opcode;
3250 dmae->src_addr_lo = (mac_addr +
3251 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3252 dmae->src_addr_hi = 0;
3253 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3254 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3255 dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
3256 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3257 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3258 dmae->comp_addr_hi = 0;
3259 dmae->comp_val = 1;
3260
3261 /* BIGMAC_REGISTER_RX_STAT_GR64 ..
3262 BIGMAC_REGISTER_RX_STAT_GRIPJ */
3263 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3264 dmae->opcode = opcode;
3265 dmae->src_addr_lo = (mac_addr +
3266 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3267 dmae->src_addr_hi = 0;
3268 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003269 offsetof(struct bmac_stats, rx_stat_gr64_lo));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003270 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003271 offsetof(struct bmac_stats, rx_stat_gr64_lo));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003272 dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
3273 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3274 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3275 dmae->comp_addr_hi = 0;
3276 dmae->comp_val = 1;
3277
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07003278 } else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003279
3280 mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
3281
3282 /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
3283 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3284 dmae->opcode = opcode;
3285 dmae->src_addr_lo = (mac_addr +
3286 EMAC_REG_EMAC_RX_STAT_AC) >> 2;
3287 dmae->src_addr_hi = 0;
3288 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3289 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3290 dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
3291 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3292 dmae->comp_addr_hi = 0;
3293 dmae->comp_val = 1;
3294
3295 /* EMAC_REG_EMAC_RX_STAT_AC_28 */
3296 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3297 dmae->opcode = opcode;
3298 dmae->src_addr_lo = (mac_addr +
3299 EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
3300 dmae->src_addr_hi = 0;
3301 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003302 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003303 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003304 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003305 dmae->len = 1;
3306 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3307 dmae->comp_addr_hi = 0;
3308 dmae->comp_val = 1;
3309
3310 /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
3311 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3312 dmae->opcode = opcode;
3313 dmae->src_addr_lo = (mac_addr +
3314 EMAC_REG_EMAC_TX_STAT_AC) >> 2;
3315 dmae->src_addr_hi = 0;
3316 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003317 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003318 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003319 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003320 dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
3321 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3322 dmae->comp_addr_hi = 0;
3323 dmae->comp_val = 1;
3324 }
3325
3326 /* NIG */
3327 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003328 dmae->opcode = opcode;
3329 dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
3330 NIG_REG_STAT0_BRB_DISCARD) >> 2;
3331 dmae->src_addr_hi = 0;
3332 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
3333 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
3334 dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
3335 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3336 dmae->comp_addr_hi = 0;
3337 dmae->comp_val = 1;
3338
3339 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3340 dmae->opcode = opcode;
3341 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
3342 NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
3343 dmae->src_addr_hi = 0;
3344 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3345 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3346 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3347 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3348 dmae->len = (2*sizeof(u32)) >> 2;
3349 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3350 dmae->comp_addr_hi = 0;
3351 dmae->comp_val = 1;
3352
3353 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003354 dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3355 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3356 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3357#ifdef __BIG_ENDIAN
3358 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3359#else
3360 DMAE_CMD_ENDIANITY_DW_SWAP |
3361#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003362 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3363 (vn << DMAE_CMD_E1HVN_SHIFT));
3364 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
3365 NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003366 dmae->src_addr_hi = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003367 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3368 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3369 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3370 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3371 dmae->len = (2*sizeof(u32)) >> 2;
3372 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3373 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3374 dmae->comp_val = DMAE_COMP_VAL;
3375
3376 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003377}
3378
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003379static void bnx2x_func_stats_init(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003380{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003381 struct dmae_command *dmae = &bp->stats_dmae;
3382 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003383
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003384 /* sanity */
3385 if (!bp->func_stx) {
3386 BNX2X_ERR("BUG!\n");
3387 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003388 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003389
3390 bp->executer_idx = 0;
3391 memset(dmae, 0, sizeof(struct dmae_command));
3392
3393 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3394 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3395 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3396#ifdef __BIG_ENDIAN
3397 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3398#else
3399 DMAE_CMD_ENDIANITY_DW_SWAP |
3400#endif
3401 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3402 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3403 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3404 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3405 dmae->dst_addr_lo = bp->func_stx >> 2;
3406 dmae->dst_addr_hi = 0;
3407 dmae->len = sizeof(struct host_func_stats) >> 2;
3408 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3409 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3410 dmae->comp_val = DMAE_COMP_VAL;
3411
3412 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003413}
3414
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003415static void bnx2x_stats_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003416{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003417 if (bp->port.pmf)
3418 bnx2x_port_stats_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003419
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003420 else if (bp->func_stx)
3421 bnx2x_func_stats_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003422
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003423 bnx2x_hw_stats_post(bp);
3424 bnx2x_storm_stats_post(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003425}
3426
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003427static void bnx2x_stats_pmf_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003428{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003429 bnx2x_stats_comp(bp);
3430 bnx2x_stats_pmf_update(bp);
3431 bnx2x_stats_start(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003432}
3433
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003434static void bnx2x_stats_restart(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003435{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003436 bnx2x_stats_comp(bp);
3437 bnx2x_stats_start(bp);
3438}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003439
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003440static void bnx2x_bmac_stats_update(struct bnx2x *bp)
3441{
3442 struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac_stats);
3443 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3444 struct regpair diff;
3445
3446 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
3447 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
3448 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
3449 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
3450 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
3451 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003452 UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003453 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
3454 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffpauseframesreceived);
3455 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
3456 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
3457 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
3458 UPDATE_STAT64(tx_stat_gt127,
3459 tx_stat_etherstatspkts65octetsto127octets);
3460 UPDATE_STAT64(tx_stat_gt255,
3461 tx_stat_etherstatspkts128octetsto255octets);
3462 UPDATE_STAT64(tx_stat_gt511,
3463 tx_stat_etherstatspkts256octetsto511octets);
3464 UPDATE_STAT64(tx_stat_gt1023,
3465 tx_stat_etherstatspkts512octetsto1023octets);
3466 UPDATE_STAT64(tx_stat_gt1518,
3467 tx_stat_etherstatspkts1024octetsto1522octets);
3468 UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047);
3469 UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095);
3470 UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216);
3471 UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383);
3472 UPDATE_STAT64(tx_stat_gterr,
3473 tx_stat_dot3statsinternalmactransmiterrors);
3474 UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl);
3475}
3476
3477static void bnx2x_emac_stats_update(struct bnx2x *bp)
3478{
3479 struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
3480 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3481
3482 UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
3483 UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
3484 UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
3485 UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
3486 UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
3487 UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
3488 UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
3489 UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
3490 UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
3491 UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
3492 UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
3493 UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
3494 UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
3495 UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
3496 UPDATE_EXTEND_STAT(tx_stat_outxonsent);
3497 UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
3498 UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
3499 UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
3500 UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
3501 UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
3502 UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
3503 UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
3504 UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
3505 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
3506 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
3507 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
3508 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
3509 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
3510 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
3511 UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
3512 UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
3513}
3514
3515static int bnx2x_hw_stats_update(struct bnx2x *bp)
3516{
3517 struct nig_stats *new = bnx2x_sp(bp, nig_stats);
3518 struct nig_stats *old = &(bp->port.old_nig_stats);
3519 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3520 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3521 struct regpair diff;
3522
3523 if (bp->link_vars.mac_type == MAC_TYPE_BMAC)
3524 bnx2x_bmac_stats_update(bp);
3525
3526 else if (bp->link_vars.mac_type == MAC_TYPE_EMAC)
3527 bnx2x_emac_stats_update(bp);
3528
3529 else { /* unreached */
3530 BNX2X_ERR("stats updated by dmae but no MAC active\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003531 return -1;
3532 }
3533
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003534 ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
3535 new->brb_discard - old->brb_discard);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003536 ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
3537 new->brb_truncate - old->brb_truncate);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003538
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003539 UPDATE_STAT64_NIG(egress_mac_pkt0,
3540 etherstatspkts1024octetsto1522octets);
3541 UPDATE_STAT64_NIG(egress_mac_pkt1, etherstatspktsover1522octets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003542
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003543 memcpy(old, new, sizeof(struct nig_stats));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003544
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003545 memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
3546 sizeof(struct mac_stx));
3547 estats->brb_drop_hi = pstats->brb_drop_hi;
3548 estats->brb_drop_lo = pstats->brb_drop_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003549
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003550 pstats->host_port_stats_start = ++pstats->host_port_stats_end;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003551
3552 return 0;
3553}
3554
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003555static int bnx2x_storm_stats_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003556{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003557 struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
3558 int cl_id = BP_CL_ID(bp);
3559 struct tstorm_per_port_stats *tport =
3560 &stats->tstorm_common.port_statistics;
3561 struct tstorm_per_client_stats *tclient =
3562 &stats->tstorm_common.client_statistics[cl_id];
3563 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3564 struct xstorm_per_client_stats *xclient =
3565 &stats->xstorm_common.client_statistics[cl_id];
3566 struct xstorm_per_client_stats *old_xclient = &bp->old_xclient;
3567 struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
3568 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3569 u32 diff;
3570
3571 /* are storm stats valid? */
3572 if ((u16)(le16_to_cpu(tclient->stats_counter) + 1) !=
3573 bp->stats_counter) {
3574 DP(BNX2X_MSG_STATS, "stats not updated by tstorm"
3575 " tstorm counter (%d) != stats_counter (%d)\n",
3576 tclient->stats_counter, bp->stats_counter);
3577 return -1;
3578 }
3579 if ((u16)(le16_to_cpu(xclient->stats_counter) + 1) !=
3580 bp->stats_counter) {
3581 DP(BNX2X_MSG_STATS, "stats not updated by xstorm"
3582 " xstorm counter (%d) != stats_counter (%d)\n",
3583 xclient->stats_counter, bp->stats_counter);
3584 return -2;
3585 }
3586
3587 fstats->total_bytes_received_hi =
3588 fstats->valid_bytes_received_hi =
3589 le32_to_cpu(tclient->total_rcv_bytes.hi);
3590 fstats->total_bytes_received_lo =
3591 fstats->valid_bytes_received_lo =
3592 le32_to_cpu(tclient->total_rcv_bytes.lo);
3593
3594 estats->error_bytes_received_hi =
3595 le32_to_cpu(tclient->rcv_error_bytes.hi);
3596 estats->error_bytes_received_lo =
3597 le32_to_cpu(tclient->rcv_error_bytes.lo);
3598 ADD_64(estats->error_bytes_received_hi,
3599 estats->rx_stat_ifhcinbadoctets_hi,
3600 estats->error_bytes_received_lo,
3601 estats->rx_stat_ifhcinbadoctets_lo);
3602
3603 ADD_64(fstats->total_bytes_received_hi,
3604 estats->error_bytes_received_hi,
3605 fstats->total_bytes_received_lo,
3606 estats->error_bytes_received_lo);
3607
3608 UPDATE_EXTEND_TSTAT(rcv_unicast_pkts, total_unicast_packets_received);
3609 UPDATE_EXTEND_TSTAT(rcv_multicast_pkts,
3610 total_multicast_packets_received);
3611 UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts,
3612 total_broadcast_packets_received);
3613
3614 fstats->total_bytes_transmitted_hi =
3615 le32_to_cpu(xclient->total_sent_bytes.hi);
3616 fstats->total_bytes_transmitted_lo =
3617 le32_to_cpu(xclient->total_sent_bytes.lo);
3618
3619 UPDATE_EXTEND_XSTAT(unicast_pkts_sent,
3620 total_unicast_packets_transmitted);
3621 UPDATE_EXTEND_XSTAT(multicast_pkts_sent,
3622 total_multicast_packets_transmitted);
3623 UPDATE_EXTEND_XSTAT(broadcast_pkts_sent,
3624 total_broadcast_packets_transmitted);
3625
3626 memcpy(estats, &(fstats->total_bytes_received_hi),
3627 sizeof(struct host_func_stats) - 2*sizeof(u32));
3628
3629 estats->mac_filter_discard = le32_to_cpu(tport->mac_filter_discard);
3630 estats->xxoverflow_discard = le32_to_cpu(tport->xxoverflow_discard);
3631 estats->brb_truncate_discard =
3632 le32_to_cpu(tport->brb_truncate_discard);
3633 estats->mac_discard = le32_to_cpu(tport->mac_discard);
3634
3635 old_tclient->rcv_unicast_bytes.hi =
3636 le32_to_cpu(tclient->rcv_unicast_bytes.hi);
3637 old_tclient->rcv_unicast_bytes.lo =
3638 le32_to_cpu(tclient->rcv_unicast_bytes.lo);
3639 old_tclient->rcv_broadcast_bytes.hi =
3640 le32_to_cpu(tclient->rcv_broadcast_bytes.hi);
3641 old_tclient->rcv_broadcast_bytes.lo =
3642 le32_to_cpu(tclient->rcv_broadcast_bytes.lo);
3643 old_tclient->rcv_multicast_bytes.hi =
3644 le32_to_cpu(tclient->rcv_multicast_bytes.hi);
3645 old_tclient->rcv_multicast_bytes.lo =
3646 le32_to_cpu(tclient->rcv_multicast_bytes.lo);
3647 old_tclient->total_rcv_pkts = le32_to_cpu(tclient->total_rcv_pkts);
3648
3649 old_tclient->checksum_discard = le32_to_cpu(tclient->checksum_discard);
3650 old_tclient->packets_too_big_discard =
3651 le32_to_cpu(tclient->packets_too_big_discard);
3652 estats->no_buff_discard =
3653 old_tclient->no_buff_discard = le32_to_cpu(tclient->no_buff_discard);
3654 old_tclient->ttl0_discard = le32_to_cpu(tclient->ttl0_discard);
3655
3656 old_xclient->total_sent_pkts = le32_to_cpu(xclient->total_sent_pkts);
3657 old_xclient->unicast_bytes_sent.hi =
3658 le32_to_cpu(xclient->unicast_bytes_sent.hi);
3659 old_xclient->unicast_bytes_sent.lo =
3660 le32_to_cpu(xclient->unicast_bytes_sent.lo);
3661 old_xclient->multicast_bytes_sent.hi =
3662 le32_to_cpu(xclient->multicast_bytes_sent.hi);
3663 old_xclient->multicast_bytes_sent.lo =
3664 le32_to_cpu(xclient->multicast_bytes_sent.lo);
3665 old_xclient->broadcast_bytes_sent.hi =
3666 le32_to_cpu(xclient->broadcast_bytes_sent.hi);
3667 old_xclient->broadcast_bytes_sent.lo =
3668 le32_to_cpu(xclient->broadcast_bytes_sent.lo);
3669
3670 fstats->host_func_stats_start = ++fstats->host_func_stats_end;
3671
3672 return 0;
3673}
3674
3675static void bnx2x_net_stats_update(struct bnx2x *bp)
3676{
3677 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3678 struct bnx2x_eth_stats *estats = &bp->eth_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003679 struct net_device_stats *nstats = &bp->dev->stats;
3680
3681 nstats->rx_packets =
3682 bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
3683 bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
3684 bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
3685
3686 nstats->tx_packets =
3687 bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
3688 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
3689 bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
3690
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003691 nstats->rx_bytes = bnx2x_hilo(&estats->valid_bytes_received_hi);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003692
Eliezer Tamir0e39e642008-02-28 11:54:03 -08003693 nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003694
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003695 nstats->rx_dropped = old_tclient->checksum_discard +
3696 estats->mac_discard;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003697 nstats->tx_dropped = 0;
3698
3699 nstats->multicast =
3700 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi);
3701
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003702 nstats->collisions =
3703 estats->tx_stat_dot3statssinglecollisionframes_lo +
3704 estats->tx_stat_dot3statsmultiplecollisionframes_lo +
3705 estats->tx_stat_dot3statslatecollisions_lo +
3706 estats->tx_stat_dot3statsexcessivecollisions_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003707
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003708 estats->jabber_packets_received =
3709 old_tclient->packets_too_big_discard +
3710 estats->rx_stat_dot3statsframestoolong_lo;
3711
3712 nstats->rx_length_errors =
3713 estats->rx_stat_etherstatsundersizepkts_lo +
3714 estats->jabber_packets_received;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003715 nstats->rx_over_errors = estats->brb_drop_lo + estats->brb_truncate_lo;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003716 nstats->rx_crc_errors = estats->rx_stat_dot3statsfcserrors_lo;
3717 nstats->rx_frame_errors = estats->rx_stat_dot3statsalignmenterrors_lo;
3718 nstats->rx_fifo_errors = old_tclient->no_buff_discard;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003719 nstats->rx_missed_errors = estats->xxoverflow_discard;
3720
3721 nstats->rx_errors = nstats->rx_length_errors +
3722 nstats->rx_over_errors +
3723 nstats->rx_crc_errors +
3724 nstats->rx_frame_errors +
Eliezer Tamir0e39e642008-02-28 11:54:03 -08003725 nstats->rx_fifo_errors +
3726 nstats->rx_missed_errors;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003727
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003728 nstats->tx_aborted_errors =
3729 estats->tx_stat_dot3statslatecollisions_lo +
3730 estats->tx_stat_dot3statsexcessivecollisions_lo;
3731 nstats->tx_carrier_errors = estats->rx_stat_falsecarriererrors_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003732 nstats->tx_fifo_errors = 0;
3733 nstats->tx_heartbeat_errors = 0;
3734 nstats->tx_window_errors = 0;
3735
3736 nstats->tx_errors = nstats->tx_aborted_errors +
3737 nstats->tx_carrier_errors;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003738}
3739
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003740static void bnx2x_stats_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003741{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003742 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3743 int update = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003744
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003745 if (*stats_comp != DMAE_COMP_VAL)
3746 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003747
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003748 if (bp->port.pmf)
3749 update = (bnx2x_hw_stats_update(bp) == 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003750
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003751 update |= (bnx2x_storm_stats_update(bp) == 0);
3752
3753 if (update)
3754 bnx2x_net_stats_update(bp);
3755
3756 else {
3757 if (bp->stats_pending) {
3758 bp->stats_pending++;
3759 if (bp->stats_pending == 3) {
3760 BNX2X_ERR("stats not updated for 3 times\n");
3761 bnx2x_panic();
3762 return;
3763 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003764 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003765 }
3766
3767 if (bp->msglevel & NETIF_MSG_TIMER) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003768 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3769 struct bnx2x_eth_stats *estats = &bp->eth_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003770 struct net_device_stats *nstats = &bp->dev->stats;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003771 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003772
3773 printk(KERN_DEBUG "%s:\n", bp->dev->name);
3774 printk(KERN_DEBUG " tx avail (%4x) tx hc idx (%x)"
3775 " tx pkt (%lx)\n",
3776 bnx2x_tx_avail(bp->fp),
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003777 le16_to_cpu(*bp->fp->tx_cons_sb), nstats->tx_packets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003778 printk(KERN_DEBUG " rx usage (%4x) rx hc idx (%x)"
3779 " rx pkt (%lx)\n",
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003780 (u16)(le16_to_cpu(*bp->fp->rx_cons_sb) -
3781 bp->fp->rx_comp_cons),
3782 le16_to_cpu(*bp->fp->rx_cons_sb), nstats->rx_packets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003783 printk(KERN_DEBUG " %s (Xoff events %u) brb drops %u\n",
Eilon Greenstein6378c022008-08-13 15:59:25 -07003784 netif_queue_stopped(bp->dev) ? "Xoff" : "Xon",
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003785 estats->driver_xoff, estats->brb_drop_lo);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003786 printk(KERN_DEBUG "tstats: checksum_discard %u "
3787 "packets_too_big_discard %u no_buff_discard %u "
3788 "mac_discard %u mac_filter_discard %u "
3789 "xxovrflow_discard %u brb_truncate_discard %u "
3790 "ttl0_discard %u\n",
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003791 old_tclient->checksum_discard,
3792 old_tclient->packets_too_big_discard,
3793 old_tclient->no_buff_discard, estats->mac_discard,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003794 estats->mac_filter_discard, estats->xxoverflow_discard,
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003795 estats->brb_truncate_discard,
3796 old_tclient->ttl0_discard);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003797
3798 for_each_queue(bp, i) {
3799 printk(KERN_DEBUG "[%d]: %lu\t%lu\t%lu\n", i,
3800 bnx2x_fp(bp, i, tx_pkt),
3801 bnx2x_fp(bp, i, rx_pkt),
3802 bnx2x_fp(bp, i, rx_calls));
3803 }
3804 }
3805
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003806 bnx2x_hw_stats_post(bp);
3807 bnx2x_storm_stats_post(bp);
3808}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003809
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003810static void bnx2x_port_stats_stop(struct bnx2x *bp)
3811{
3812 struct dmae_command *dmae;
3813 u32 opcode;
3814 int loader_idx = PMF_DMAE_C(bp);
3815 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003816
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003817 bp->executer_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003818
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003819 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3820 DMAE_CMD_C_ENABLE |
3821 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003822#ifdef __BIG_ENDIAN
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003823 DMAE_CMD_ENDIANITY_B_DW_SWAP |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003824#else
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003825 DMAE_CMD_ENDIANITY_DW_SWAP |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003826#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003827 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3828 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3829
3830 if (bp->port.port_stx) {
3831
3832 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3833 if (bp->func_stx)
3834 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3835 else
3836 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3837 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3838 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3839 dmae->dst_addr_lo = bp->port.port_stx >> 2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003840 dmae->dst_addr_hi = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003841 dmae->len = sizeof(struct host_port_stats) >> 2;
3842 if (bp->func_stx) {
3843 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3844 dmae->comp_addr_hi = 0;
3845 dmae->comp_val = 1;
3846 } else {
3847 dmae->comp_addr_lo =
3848 U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3849 dmae->comp_addr_hi =
3850 U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3851 dmae->comp_val = DMAE_COMP_VAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003852
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003853 *stats_comp = 0;
3854 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003855 }
3856
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003857 if (bp->func_stx) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003858
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003859 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3860 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3861 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3862 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3863 dmae->dst_addr_lo = bp->func_stx >> 2;
3864 dmae->dst_addr_hi = 0;
3865 dmae->len = sizeof(struct host_func_stats) >> 2;
3866 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3867 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3868 dmae->comp_val = DMAE_COMP_VAL;
3869
3870 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003871 }
3872}
3873
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003874static void bnx2x_stats_stop(struct bnx2x *bp)
3875{
3876 int update = 0;
3877
3878 bnx2x_stats_comp(bp);
3879
3880 if (bp->port.pmf)
3881 update = (bnx2x_hw_stats_update(bp) == 0);
3882
3883 update |= (bnx2x_storm_stats_update(bp) == 0);
3884
3885 if (update) {
3886 bnx2x_net_stats_update(bp);
3887
3888 if (bp->port.pmf)
3889 bnx2x_port_stats_stop(bp);
3890
3891 bnx2x_hw_stats_post(bp);
3892 bnx2x_stats_comp(bp);
3893 }
3894}
3895
3896static void bnx2x_stats_do_nothing(struct bnx2x *bp)
3897{
3898}
3899
3900static const struct {
3901 void (*action)(struct bnx2x *bp);
3902 enum bnx2x_stats_state next_state;
3903} bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
3904/* state event */
3905{
3906/* DISABLED PMF */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
3907/* LINK_UP */ {bnx2x_stats_start, STATS_STATE_ENABLED},
3908/* UPDATE */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
3909/* STOP */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
3910},
3911{
3912/* ENABLED PMF */ {bnx2x_stats_pmf_start, STATS_STATE_ENABLED},
3913/* LINK_UP */ {bnx2x_stats_restart, STATS_STATE_ENABLED},
3914/* UPDATE */ {bnx2x_stats_update, STATS_STATE_ENABLED},
3915/* STOP */ {bnx2x_stats_stop, STATS_STATE_DISABLED}
3916}
3917};
3918
3919static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
3920{
3921 enum bnx2x_stats_state state = bp->stats_state;
3922
3923 bnx2x_stats_stm[state][event].action(bp);
3924 bp->stats_state = bnx2x_stats_stm[state][event].next_state;
3925
3926 if ((event != STATS_EVENT_UPDATE) || (bp->msglevel & NETIF_MSG_TIMER))
3927 DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
3928 state, event, bp->stats_state);
3929}
3930
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003931static void bnx2x_timer(unsigned long data)
3932{
3933 struct bnx2x *bp = (struct bnx2x *) data;
3934
3935 if (!netif_running(bp->dev))
3936 return;
3937
3938 if (atomic_read(&bp->intr_sem) != 0)
Eliezer Tamirf1410642008-02-28 11:51:50 -08003939 goto timer_restart;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003940
3941 if (poll) {
3942 struct bnx2x_fastpath *fp = &bp->fp[0];
3943 int rc;
3944
3945 bnx2x_tx_int(fp, 1000);
3946 rc = bnx2x_rx_int(fp, 1000);
3947 }
3948
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003949 if (!BP_NOMCP(bp)) {
3950 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003951 u32 drv_pulse;
3952 u32 mcp_pulse;
3953
3954 ++bp->fw_drv_pulse_wr_seq;
3955 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3956 /* TBD - add SYSTEM_TIME */
3957 drv_pulse = bp->fw_drv_pulse_wr_seq;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003958 SHMEM_WR(bp, func_mb[func].drv_pulse_mb, drv_pulse);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003959
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003960 mcp_pulse = (SHMEM_RD(bp, func_mb[func].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003961 MCP_PULSE_SEQ_MASK);
3962 /* The delta between driver pulse and mcp response
3963 * should be 1 (before mcp response) or 0 (after mcp response)
3964 */
3965 if ((drv_pulse != mcp_pulse) &&
3966 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3967 /* someone lost a heartbeat... */
3968 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3969 drv_pulse, mcp_pulse);
3970 }
3971 }
3972
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003973 if ((bp->state == BNX2X_STATE_OPEN) ||
3974 (bp->state == BNX2X_STATE_DISABLED))
3975 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003976
Eliezer Tamirf1410642008-02-28 11:51:50 -08003977timer_restart:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003978 mod_timer(&bp->timer, jiffies + bp->current_interval);
3979}
3980
3981/* end of Statistics */
3982
3983/* nic init */
3984
3985/*
3986 * nic init service functions
3987 */
3988
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003989static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003990{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003991 int port = BP_PORT(bp);
3992
3993 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
3994 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
Yitchak Gertner35302982008-08-13 15:53:12 -07003995 sizeof(struct ustorm_status_block)/4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003996 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
3997 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
Yitchak Gertner35302982008-08-13 15:53:12 -07003998 sizeof(struct cstorm_status_block)/4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003999}
4000
Eilon Greenstein5c862842008-08-13 15:51:48 -07004001static void bnx2x_init_sb(struct bnx2x *bp, struct host_status_block *sb,
4002 dma_addr_t mapping, int sb_id)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004003{
4004 int port = BP_PORT(bp);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004005 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004006 int index;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004007 u64 section;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004008
4009 /* USTORM */
4010 section = ((u64)mapping) + offsetof(struct host_status_block,
4011 u_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004012 sb->u_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004013
4014 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004015 USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004016 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004017 ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004018 U64_HI(section));
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004019 REG_WR8(bp, BAR_USTRORM_INTMEM + FP_USB_FUNC_OFF +
4020 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004021
4022 for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++)
4023 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004024 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004025
4026 /* CSTORM */
4027 section = ((u64)mapping) + offsetof(struct host_status_block,
4028 c_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004029 sb->c_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004030
4031 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004032 CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004033 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004034 ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004035 U64_HI(section));
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004036 REG_WR8(bp, BAR_CSTRORM_INTMEM + FP_CSB_FUNC_OFF +
4037 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004038
4039 for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++)
4040 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004041 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004042
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004043 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
4044}
4045
4046static void bnx2x_zero_def_sb(struct bnx2x *bp)
4047{
4048 int func = BP_FUNC(bp);
4049
4050 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
4051 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4052 sizeof(struct ustorm_def_status_block)/4);
4053 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
4054 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4055 sizeof(struct cstorm_def_status_block)/4);
4056 bnx2x_init_fill(bp, BAR_XSTRORM_INTMEM +
4057 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4058 sizeof(struct xstorm_def_status_block)/4);
4059 bnx2x_init_fill(bp, BAR_TSTRORM_INTMEM +
4060 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4061 sizeof(struct tstorm_def_status_block)/4);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004062}
4063
4064static void bnx2x_init_def_sb(struct bnx2x *bp,
4065 struct host_def_status_block *def_sb,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004066 dma_addr_t mapping, int sb_id)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004067{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004068 int port = BP_PORT(bp);
4069 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004070 int index, val, reg_offset;
4071 u64 section;
4072
4073 /* ATTN */
4074 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4075 atten_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004076 def_sb->atten_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004077
Eliezer Tamir49d66772008-02-28 11:53:13 -08004078 bp->attn_state = 0;
4079
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004080 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4081 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4082
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004083 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004084 bp->attn_group[index].sig[0] = REG_RD(bp,
4085 reg_offset + 0x10*index);
4086 bp->attn_group[index].sig[1] = REG_RD(bp,
4087 reg_offset + 0x4 + 0x10*index);
4088 bp->attn_group[index].sig[2] = REG_RD(bp,
4089 reg_offset + 0x8 + 0x10*index);
4090 bp->attn_group[index].sig[3] = REG_RD(bp,
4091 reg_offset + 0xc + 0x10*index);
4092 }
4093
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004094 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4095 HC_REG_ATTN_MSG0_ADDR_L);
4096
4097 REG_WR(bp, reg_offset, U64_LO(section));
4098 REG_WR(bp, reg_offset + 4, U64_HI(section));
4099
4100 reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0);
4101
4102 val = REG_RD(bp, reg_offset);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004103 val |= sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004104 REG_WR(bp, reg_offset, val);
4105
4106 /* USTORM */
4107 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4108 u_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004109 def_sb->u_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004110
4111 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004112 USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004113 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004114 ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004115 U64_HI(section));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004116 REG_WR8(bp, BAR_USTRORM_INTMEM + DEF_USB_FUNC_OFF +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004117 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004118
4119 for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++)
4120 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004121 USTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004122
4123 /* CSTORM */
4124 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4125 c_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004126 def_sb->c_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004127
4128 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004129 CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004130 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004131 ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004132 U64_HI(section));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004133 REG_WR8(bp, BAR_CSTRORM_INTMEM + DEF_CSB_FUNC_OFF +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004134 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004135
4136 for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++)
4137 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004138 CSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004139
4140 /* TSTORM */
4141 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4142 t_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004143 def_sb->t_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004144
4145 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004146 TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004147 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004148 ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004149 U64_HI(section));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004150 REG_WR8(bp, BAR_TSTRORM_INTMEM + DEF_TSB_FUNC_OFF +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004151 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004152
4153 for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++)
4154 REG_WR16(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004155 TSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004156
4157 /* XSTORM */
4158 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4159 x_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004160 def_sb->x_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004161
4162 REG_WR(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004163 XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004164 REG_WR(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004165 ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004166 U64_HI(section));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004167 REG_WR8(bp, BAR_XSTRORM_INTMEM + DEF_XSB_FUNC_OFF +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004168 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004169
4170 for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++)
4171 REG_WR16(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004172 XSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004173
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004174 bp->stats_pending = 0;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004175 bp->set_mac_pending = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004176
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004177 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004178}
4179
4180static void bnx2x_update_coalesce(struct bnx2x *bp)
4181{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004182 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004183 int i;
4184
4185 for_each_queue(bp, i) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004186 int sb_id = bp->fp[i].sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004187
4188 /* HC_INDEX_U_ETH_RX_CQ_CONS */
4189 REG_WR8(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004190 USTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
Eilon Greenstein5c862842008-08-13 15:51:48 -07004191 U_SB_ETH_RX_CQ_INDEX),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004192 bp->rx_ticks/12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004193 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004194 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
Eilon Greenstein5c862842008-08-13 15:51:48 -07004195 U_SB_ETH_RX_CQ_INDEX),
4196 bp->rx_ticks ? 0 : 1);
4197 REG_WR16(bp, BAR_USTRORM_INTMEM +
4198 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4199 U_SB_ETH_RX_BD_INDEX),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004200 bp->rx_ticks ? 0 : 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004201
4202 /* HC_INDEX_C_ETH_TX_CQ_CONS */
4203 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004204 CSTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
Eilon Greenstein5c862842008-08-13 15:51:48 -07004205 C_SB_ETH_TX_CQ_INDEX),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004206 bp->tx_ticks/12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004207 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004208 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
Eilon Greenstein5c862842008-08-13 15:51:48 -07004209 C_SB_ETH_TX_CQ_INDEX),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004210 bp->tx_ticks ? 0 : 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004211 }
4212}
4213
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004214static inline void bnx2x_free_tpa_pool(struct bnx2x *bp,
4215 struct bnx2x_fastpath *fp, int last)
4216{
4217 int i;
4218
4219 for (i = 0; i < last; i++) {
4220 struct sw_rx_bd *rx_buf = &(fp->tpa_pool[i]);
4221 struct sk_buff *skb = rx_buf->skb;
4222
4223 if (skb == NULL) {
4224 DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i);
4225 continue;
4226 }
4227
4228 if (fp->tpa_state[i] == BNX2X_TPA_START)
4229 pci_unmap_single(bp->pdev,
4230 pci_unmap_addr(rx_buf, mapping),
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07004231 bp->rx_buf_size,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004232 PCI_DMA_FROMDEVICE);
4233
4234 dev_kfree_skb(skb);
4235 rx_buf->skb = NULL;
4236 }
4237}
4238
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004239static void bnx2x_init_rx_rings(struct bnx2x *bp)
4240{
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004241 int func = BP_FUNC(bp);
Eilon Greenstein32626232008-08-13 15:51:07 -07004242 int max_agg_queues = CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 :
4243 ETH_MAX_AGGREGATION_QUEUES_E1H;
4244 u16 ring_prod, cqe_ring_prod;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004245 int i, j;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004246
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07004247 bp->rx_buf_size = bp->dev->mtu;
4248 bp->rx_buf_size += bp->rx_offset + ETH_OVREHEAD +
4249 BCM_RX_ETH_PAYLOAD_ALIGN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004250
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004251 if (bp->flags & TPA_ENABLE_FLAG) {
4252 DP(NETIF_MSG_IFUP,
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07004253 "rx_buf_size %d effective_mtu %d\n",
4254 bp->rx_buf_size, bp->dev->mtu + ETH_OVREHEAD);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004255
4256 for_each_queue(bp, j) {
Eilon Greenstein32626232008-08-13 15:51:07 -07004257 struct bnx2x_fastpath *fp = &bp->fp[j];
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004258
Eilon Greenstein32626232008-08-13 15:51:07 -07004259 for (i = 0; i < max_agg_queues; i++) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004260 fp->tpa_pool[i].skb =
4261 netdev_alloc_skb(bp->dev, bp->rx_buf_size);
4262 if (!fp->tpa_pool[i].skb) {
4263 BNX2X_ERR("Failed to allocate TPA "
4264 "skb pool for queue[%d] - "
4265 "disabling TPA on this "
4266 "queue!\n", j);
4267 bnx2x_free_tpa_pool(bp, fp, i);
4268 fp->disable_tpa = 1;
4269 break;
4270 }
4271 pci_unmap_addr_set((struct sw_rx_bd *)
4272 &bp->fp->tpa_pool[i],
4273 mapping, 0);
4274 fp->tpa_state[i] = BNX2X_TPA_STOP;
4275 }
4276 }
4277 }
4278
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004279 for_each_queue(bp, j) {
4280 struct bnx2x_fastpath *fp = &bp->fp[j];
4281
4282 fp->rx_bd_cons = 0;
4283 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004284 fp->rx_bd_cons_sb = BNX2X_RX_SB_BD_INDEX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004285
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004286 /* "next page" elements initialization */
4287 /* SGE ring */
4288 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
4289 struct eth_rx_sge *sge;
4290
4291 sge = &fp->rx_sge_ring[RX_SGE_CNT * i - 2];
4292 sge->addr_hi =
4293 cpu_to_le32(U64_HI(fp->rx_sge_mapping +
4294 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4295 sge->addr_lo =
4296 cpu_to_le32(U64_LO(fp->rx_sge_mapping +
4297 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4298 }
4299
4300 bnx2x_init_sge_ring_bit_mask(fp);
4301
4302 /* RX BD ring */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004303 for (i = 1; i <= NUM_RX_RINGS; i++) {
4304 struct eth_rx_bd *rx_bd;
4305
4306 rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2];
4307 rx_bd->addr_hi =
4308 cpu_to_le32(U64_HI(fp->rx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004309 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004310 rx_bd->addr_lo =
4311 cpu_to_le32(U64_LO(fp->rx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004312 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004313 }
4314
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004315 /* CQ ring */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004316 for (i = 1; i <= NUM_RCQ_RINGS; i++) {
4317 struct eth_rx_cqe_next_page *nextpg;
4318
4319 nextpg = (struct eth_rx_cqe_next_page *)
4320 &fp->rx_comp_ring[RCQ_DESC_CNT * i - 1];
4321 nextpg->addr_hi =
4322 cpu_to_le32(U64_HI(fp->rx_comp_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004323 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004324 nextpg->addr_lo =
4325 cpu_to_le32(U64_LO(fp->rx_comp_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004326 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004327 }
4328
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004329 /* Allocate SGEs and initialize the ring elements */
4330 for (i = 0, ring_prod = 0;
4331 i < MAX_RX_SGE_CNT*NUM_RX_SGE_PAGES; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004332
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004333 if (bnx2x_alloc_rx_sge(bp, fp, ring_prod) < 0) {
4334 BNX2X_ERR("was only able to allocate "
4335 "%d rx sges\n", i);
4336 BNX2X_ERR("disabling TPA for queue[%d]\n", j);
4337 /* Cleanup already allocated elements */
4338 bnx2x_free_rx_sge_range(bp, fp, ring_prod);
Eilon Greenstein32626232008-08-13 15:51:07 -07004339 bnx2x_free_tpa_pool(bp, fp, max_agg_queues);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004340 fp->disable_tpa = 1;
4341 ring_prod = 0;
4342 break;
4343 }
4344 ring_prod = NEXT_SGE_IDX(ring_prod);
4345 }
4346 fp->rx_sge_prod = ring_prod;
4347
4348 /* Allocate BDs and initialize BD ring */
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004349 fp->rx_comp_cons = 0;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004350 cqe_ring_prod = ring_prod = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004351 for (i = 0; i < bp->rx_ring_size; i++) {
4352 if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) {
4353 BNX2X_ERR("was only able to allocate "
4354 "%d rx skbs\n", i);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004355 bp->eth_stats.rx_skb_alloc_failed++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004356 break;
4357 }
4358 ring_prod = NEXT_RX_IDX(ring_prod);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004359 cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod);
Ilpo Järvinen53e5e962008-07-25 21:40:45 -07004360 WARN_ON(ring_prod <= i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004361 }
4362
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004363 fp->rx_bd_prod = ring_prod;
4364 /* must not have more available CQEs than BDs */
4365 fp->rx_comp_prod = min((u16)(NUM_RCQ_RINGS*RCQ_DESC_CNT),
4366 cqe_ring_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004367 fp->rx_pkt = fp->rx_calls = 0;
4368
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004369 /* Warning!
4370 * this will generate an interrupt (to the TSTORM)
4371 * must only be done after chip is initialized
4372 */
4373 bnx2x_update_rx_prod(bp, fp, ring_prod, fp->rx_comp_prod,
4374 fp->rx_sge_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004375 if (j != 0)
4376 continue;
4377
4378 REG_WR(bp, BAR_USTRORM_INTMEM +
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004379 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004380 U64_LO(fp->rx_comp_mapping));
4381 REG_WR(bp, BAR_USTRORM_INTMEM +
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004382 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004383 U64_HI(fp->rx_comp_mapping));
4384 }
4385}
4386
4387static void bnx2x_init_tx_ring(struct bnx2x *bp)
4388{
4389 int i, j;
4390
4391 for_each_queue(bp, j) {
4392 struct bnx2x_fastpath *fp = &bp->fp[j];
4393
4394 for (i = 1; i <= NUM_TX_RINGS; i++) {
4395 struct eth_tx_bd *tx_bd =
4396 &fp->tx_desc_ring[TX_DESC_CNT * i - 1];
4397
4398 tx_bd->addr_hi =
4399 cpu_to_le32(U64_HI(fp->tx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004400 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004401 tx_bd->addr_lo =
4402 cpu_to_le32(U64_LO(fp->tx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004403 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004404 }
4405
4406 fp->tx_pkt_prod = 0;
4407 fp->tx_pkt_cons = 0;
4408 fp->tx_bd_prod = 0;
4409 fp->tx_bd_cons = 0;
4410 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4411 fp->tx_pkt = 0;
4412 }
4413}
4414
4415static void bnx2x_init_sp_ring(struct bnx2x *bp)
4416{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004417 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004418
4419 spin_lock_init(&bp->spq_lock);
4420
4421 bp->spq_left = MAX_SPQ_PENDING;
4422 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004423 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4424 bp->spq_prod_bd = bp->spq;
4425 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
4426
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004427 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004428 U64_LO(bp->spq_mapping));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004429 REG_WR(bp,
4430 XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004431 U64_HI(bp->spq_mapping));
4432
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004433 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004434 bp->spq_prod_idx);
4435}
4436
4437static void bnx2x_init_context(struct bnx2x *bp)
4438{
4439 int i;
4440
4441 for_each_queue(bp, i) {
4442 struct eth_context *context = bnx2x_sp(bp, context[i].eth);
4443 struct bnx2x_fastpath *fp = &bp->fp[i];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004444 u8 sb_id = FP_SB_ID(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004445
4446 context->xstorm_st_context.tx_bd_page_base_hi =
4447 U64_HI(fp->tx_desc_mapping);
4448 context->xstorm_st_context.tx_bd_page_base_lo =
4449 U64_LO(fp->tx_desc_mapping);
4450 context->xstorm_st_context.db_data_addr_hi =
4451 U64_HI(fp->tx_prods_mapping);
4452 context->xstorm_st_context.db_data_addr_lo =
4453 U64_LO(fp->tx_prods_mapping);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004454 context->xstorm_st_context.statistics_data = (BP_CL_ID(bp) |
4455 XSTORM_ETH_ST_CONTEXT_STATISTICS_ENABLE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004456
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004457 context->ustorm_st_context.common.sb_index_numbers =
4458 BNX2X_RX_SB_INDEX_NUM;
4459 context->ustorm_st_context.common.clientId = FP_CL_ID(fp);
4460 context->ustorm_st_context.common.status_block_id = sb_id;
4461 context->ustorm_st_context.common.flags =
4462 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_MC_ALIGNMENT;
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07004463 context->ustorm_st_context.common.mc_alignment_size =
4464 BCM_RX_ETH_PAYLOAD_ALIGN;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004465 context->ustorm_st_context.common.bd_buff_size =
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07004466 bp->rx_buf_size;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004467 context->ustorm_st_context.common.bd_page_base_hi =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004468 U64_HI(fp->rx_desc_mapping);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004469 context->ustorm_st_context.common.bd_page_base_lo =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004470 U64_LO(fp->rx_desc_mapping);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004471 if (!fp->disable_tpa) {
4472 context->ustorm_st_context.common.flags |=
4473 (USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_TPA |
4474 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_SGE_RING);
4475 context->ustorm_st_context.common.sge_buff_size =
4476 (u16)(BCM_PAGE_SIZE*PAGES_PER_SGE);
4477 context->ustorm_st_context.common.sge_page_base_hi =
4478 U64_HI(fp->rx_sge_mapping);
4479 context->ustorm_st_context.common.sge_page_base_lo =
4480 U64_LO(fp->rx_sge_mapping);
4481 }
4482
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004483 context->cstorm_st_context.sb_index_number =
Eilon Greenstein5c862842008-08-13 15:51:48 -07004484 C_SB_ETH_TX_CQ_INDEX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004485 context->cstorm_st_context.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004486
4487 context->xstorm_ag_context.cdu_reserved =
4488 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4489 CDU_REGION_NUMBER_XCM_AG,
4490 ETH_CONNECTION_TYPE);
4491 context->ustorm_ag_context.cdu_usage =
4492 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4493 CDU_REGION_NUMBER_UCM_AG,
4494 ETH_CONNECTION_TYPE);
4495 }
4496}
4497
4498static void bnx2x_init_ind_table(struct bnx2x *bp)
4499{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004500 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004501 int i;
4502
4503 if (!is_multi(bp))
4504 return;
4505
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004506 DP(NETIF_MSG_IFUP, "Initializing indirection table\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004507 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004508 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4509 TSTORM_INDIRECTION_TABLE_OFFSET(port) + i,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004510 i % bp->num_queues);
4511
4512 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
4513}
4514
Eliezer Tamir49d66772008-02-28 11:53:13 -08004515static void bnx2x_set_client_config(struct bnx2x *bp)
4516{
Eliezer Tamir49d66772008-02-28 11:53:13 -08004517 struct tstorm_eth_client_config tstorm_client = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004518 int port = BP_PORT(bp);
4519 int i;
Eliezer Tamir49d66772008-02-28 11:53:13 -08004520
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004521 tstorm_client.mtu = bp->dev->mtu + ETH_OVREHEAD;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004522 tstorm_client.statistics_counter_id = BP_CL_ID(bp);
Eliezer Tamir49d66772008-02-28 11:53:13 -08004523 tstorm_client.config_flags =
4524 TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE;
4525#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004526 if (bp->rx_mode && bp->vlgrp) {
Eliezer Tamir49d66772008-02-28 11:53:13 -08004527 tstorm_client.config_flags |=
4528 TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE;
4529 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
4530 }
4531#endif
Eliezer Tamir49d66772008-02-28 11:53:13 -08004532
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004533 if (bp->flags & TPA_ENABLE_FLAG) {
4534 tstorm_client.max_sges_for_packet =
4535 BCM_PAGE_ALIGN(tstorm_client.mtu) >> BCM_PAGE_SHIFT;
4536 tstorm_client.max_sges_for_packet =
4537 ((tstorm_client.max_sges_for_packet +
4538 PAGES_PER_SGE - 1) & (~(PAGES_PER_SGE - 1))) >>
4539 PAGES_PER_SGE_SHIFT;
4540
4541 tstorm_client.config_flags |=
4542 TSTORM_ETH_CLIENT_CONFIG_ENABLE_SGE_RING;
4543 }
4544
Eliezer Tamir49d66772008-02-28 11:53:13 -08004545 for_each_queue(bp, i) {
4546 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004547 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id),
Eliezer Tamir49d66772008-02-28 11:53:13 -08004548 ((u32 *)&tstorm_client)[0]);
4549 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004550 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id) + 4,
Eliezer Tamir49d66772008-02-28 11:53:13 -08004551 ((u32 *)&tstorm_client)[1]);
4552 }
4553
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004554 DP(BNX2X_MSG_OFF, "tstorm_client: 0x%08x 0x%08x\n",
4555 ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]);
Eliezer Tamir49d66772008-02-28 11:53:13 -08004556}
4557
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004558static void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
4559{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004560 struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004561 int mode = bp->rx_mode;
4562 int mask = (1 << BP_L_ID(bp));
4563 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004564 int i;
4565
Eilon Greenstein3196a882008-08-13 15:58:49 -07004566 DP(NETIF_MSG_IFUP, "rx mode %d mask 0x%x\n", mode, mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004567
4568 switch (mode) {
4569 case BNX2X_RX_MODE_NONE: /* no Rx */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004570 tstorm_mac_filter.ucast_drop_all = mask;
4571 tstorm_mac_filter.mcast_drop_all = mask;
4572 tstorm_mac_filter.bcast_drop_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004573 break;
4574 case BNX2X_RX_MODE_NORMAL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004575 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004576 break;
4577 case BNX2X_RX_MODE_ALLMULTI:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004578 tstorm_mac_filter.mcast_accept_all = mask;
4579 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004580 break;
4581 case BNX2X_RX_MODE_PROMISC:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004582 tstorm_mac_filter.ucast_accept_all = mask;
4583 tstorm_mac_filter.mcast_accept_all = mask;
4584 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004585 break;
4586 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004587 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4588 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004589 }
4590
4591 for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) {
4592 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004593 TSTORM_MAC_FILTER_CONFIG_OFFSET(func) + i * 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004594 ((u32 *)&tstorm_mac_filter)[i]);
4595
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004596/* DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004597 ((u32 *)&tstorm_mac_filter)[i]); */
4598 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004599
Eliezer Tamir49d66772008-02-28 11:53:13 -08004600 if (mode != BNX2X_RX_MODE_NONE)
4601 bnx2x_set_client_config(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004602}
4603
Eilon Greenstein471de712008-08-13 15:49:35 -07004604static void bnx2x_init_internal_common(struct bnx2x *bp)
4605{
4606 int i;
4607
Yitchak Gertner3cdf1db2008-08-25 15:24:21 -07004608 if (bp->flags & TPA_ENABLE_FLAG) {
4609 struct tstorm_eth_tpa_exist tpa = {0};
4610
4611 tpa.tpa_exist = 1;
4612
4613 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET,
4614 ((u32 *)&tpa)[0]);
4615 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET + 4,
4616 ((u32 *)&tpa)[1]);
4617 }
4618
Eilon Greenstein471de712008-08-13 15:49:35 -07004619 /* Zero this manually as its initialization is
4620 currently missing in the initTool */
4621 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4622 REG_WR(bp, BAR_USTRORM_INTMEM +
4623 USTORM_AGG_DATA_OFFSET + i * 4, 0);
4624}
4625
4626static void bnx2x_init_internal_port(struct bnx2x *bp)
4627{
4628 int port = BP_PORT(bp);
4629
4630 REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4631 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4632 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4633 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4634}
4635
4636static void bnx2x_init_internal_func(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004637{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004638 struct tstorm_eth_function_common_config tstorm_config = {0};
4639 struct stats_indication_flags stats_flags = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004640 int port = BP_PORT(bp);
4641 int func = BP_FUNC(bp);
4642 int i;
Eilon Greenstein471de712008-08-13 15:49:35 -07004643 u16 max_agg_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004644
4645 if (is_multi(bp)) {
4646 tstorm_config.config_flags = MULTI_FLAGS;
4647 tstorm_config.rss_result_mask = MULTI_MASK;
4648 }
4649
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004650 tstorm_config.leading_client_id = BP_L_ID(bp);
4651
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004652 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004653 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004654 (*(u32 *)&tstorm_config));
4655
Eliezer Tamirc14423f2008-02-28 11:49:42 -08004656 bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004657 bnx2x_set_storm_rx_mode(bp);
4658
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004659 /* reset xstorm per client statistics */
4660 for (i = 0; i < sizeof(struct xstorm_per_client_stats) / 4; i++) {
4661 REG_WR(bp, BAR_XSTRORM_INTMEM +
4662 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4663 i*4, 0);
4664 }
4665 /* reset tstorm per client statistics */
4666 for (i = 0; i < sizeof(struct tstorm_per_client_stats) / 4; i++) {
4667 REG_WR(bp, BAR_TSTRORM_INTMEM +
4668 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4669 i*4, 0);
4670 }
4671
4672 /* Init statistics related context */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004673 stats_flags.collect_eth = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004674
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004675 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004676 ((u32 *)&stats_flags)[0]);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004677 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004678 ((u32 *)&stats_flags)[1]);
4679
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004680 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004681 ((u32 *)&stats_flags)[0]);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004682 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004683 ((u32 *)&stats_flags)[1]);
4684
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004685 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004686 ((u32 *)&stats_flags)[0]);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004687 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004688 ((u32 *)&stats_flags)[1]);
4689
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004690 REG_WR(bp, BAR_XSTRORM_INTMEM +
4691 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4692 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4693 REG_WR(bp, BAR_XSTRORM_INTMEM +
4694 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4695 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
4696
4697 REG_WR(bp, BAR_TSTRORM_INTMEM +
4698 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4699 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4700 REG_WR(bp, BAR_TSTRORM_INTMEM +
4701 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4702 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004703
4704 if (CHIP_IS_E1H(bp)) {
4705 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
4706 IS_E1HMF(bp));
4707 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
4708 IS_E1HMF(bp));
4709 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
4710 IS_E1HMF(bp));
4711 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
4712 IS_E1HMF(bp));
4713
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004714 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(func),
4715 bp->e1hov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004716 }
4717
Eilon Greenstein471de712008-08-13 15:49:35 -07004718 /* Init CQ ring mapping and aggregation size */
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07004719 max_agg_size = min((u32)(bp->rx_buf_size +
Eilon Greenstein471de712008-08-13 15:49:35 -07004720 8*BCM_PAGE_SIZE*PAGES_PER_SGE),
4721 (u32)0xffff);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004722 for_each_queue(bp, i) {
4723 struct bnx2x_fastpath *fp = &bp->fp[i];
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004724
4725 REG_WR(bp, BAR_USTRORM_INTMEM +
4726 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)),
4727 U64_LO(fp->rx_comp_mapping));
4728 REG_WR(bp, BAR_USTRORM_INTMEM +
4729 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)) + 4,
4730 U64_HI(fp->rx_comp_mapping));
4731
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004732 REG_WR16(bp, BAR_USTRORM_INTMEM +
4733 USTORM_MAX_AGG_SIZE_OFFSET(port, FP_CL_ID(fp)),
4734 max_agg_size);
4735 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004736}
4737
Eilon Greenstein471de712008-08-13 15:49:35 -07004738static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4739{
4740 switch (load_code) {
4741 case FW_MSG_CODE_DRV_LOAD_COMMON:
4742 bnx2x_init_internal_common(bp);
4743 /* no break */
4744
4745 case FW_MSG_CODE_DRV_LOAD_PORT:
4746 bnx2x_init_internal_port(bp);
4747 /* no break */
4748
4749 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
4750 bnx2x_init_internal_func(bp);
4751 break;
4752
4753 default:
4754 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4755 break;
4756 }
4757}
4758
4759static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004760{
4761 int i;
4762
4763 for_each_queue(bp, i) {
4764 struct bnx2x_fastpath *fp = &bp->fp[i];
4765
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004766 fp->bp = bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004767 fp->state = BNX2X_FP_STATE_CLOSED;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004768 fp->index = i;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004769 fp->cl_id = BP_L_ID(bp) + i;
4770 fp->sb_id = fp->cl_id;
4771 DP(NETIF_MSG_IFUP,
4772 "bnx2x_init_sb(%p,%p) index %d cl_id %d sb %d\n",
4773 bp, fp->status_blk, i, FP_CL_ID(fp), FP_SB_ID(fp));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004774 bnx2x_init_sb(bp, fp->status_blk, fp->status_blk_mapping,
4775 FP_SB_ID(fp));
4776 bnx2x_update_fpsb_idx(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004777 }
4778
Eilon Greenstein5c862842008-08-13 15:51:48 -07004779 bnx2x_init_def_sb(bp, bp->def_status_blk, bp->def_status_blk_mapping,
4780 DEF_SB_ID);
4781 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004782 bnx2x_update_coalesce(bp);
4783 bnx2x_init_rx_rings(bp);
4784 bnx2x_init_tx_ring(bp);
4785 bnx2x_init_sp_ring(bp);
4786 bnx2x_init_context(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07004787 bnx2x_init_internal(bp, load_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004788 bnx2x_init_ind_table(bp);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08004789 bnx2x_int_enable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004790}
4791
4792/* end of nic init */
4793
4794/*
4795 * gzip service functions
4796 */
4797
4798static int bnx2x_gunzip_init(struct bnx2x *bp)
4799{
4800 bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE,
4801 &bp->gunzip_mapping);
4802 if (bp->gunzip_buf == NULL)
4803 goto gunzip_nomem1;
4804
4805 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4806 if (bp->strm == NULL)
4807 goto gunzip_nomem2;
4808
4809 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4810 GFP_KERNEL);
4811 if (bp->strm->workspace == NULL)
4812 goto gunzip_nomem3;
4813
4814 return 0;
4815
4816gunzip_nomem3:
4817 kfree(bp->strm);
4818 bp->strm = NULL;
4819
4820gunzip_nomem2:
4821 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4822 bp->gunzip_mapping);
4823 bp->gunzip_buf = NULL;
4824
4825gunzip_nomem1:
4826 printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for"
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004827 " un-compression\n", bp->dev->name);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004828 return -ENOMEM;
4829}
4830
4831static void bnx2x_gunzip_end(struct bnx2x *bp)
4832{
4833 kfree(bp->strm->workspace);
4834
4835 kfree(bp->strm);
4836 bp->strm = NULL;
4837
4838 if (bp->gunzip_buf) {
4839 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4840 bp->gunzip_mapping);
4841 bp->gunzip_buf = NULL;
4842 }
4843}
4844
4845static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len)
4846{
4847 int n, rc;
4848
4849 /* check gzip header */
4850 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED))
4851 return -EINVAL;
4852
4853 n = 10;
4854
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004855#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004856
4857 if (zbuf[3] & FNAME)
4858 while ((zbuf[n++] != 0) && (n < len));
4859
4860 bp->strm->next_in = zbuf + n;
4861 bp->strm->avail_in = len - n;
4862 bp->strm->next_out = bp->gunzip_buf;
4863 bp->strm->avail_out = FW_BUF_SIZE;
4864
4865 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4866 if (rc != Z_OK)
4867 return rc;
4868
4869 rc = zlib_inflate(bp->strm, Z_FINISH);
4870 if ((rc != Z_OK) && (rc != Z_STREAM_END))
4871 printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n",
4872 bp->dev->name, bp->strm->msg);
4873
4874 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4875 if (bp->gunzip_outlen & 0x3)
4876 printk(KERN_ERR PFX "%s: Firmware decompression error:"
4877 " gunzip_outlen (%d) not aligned\n",
4878 bp->dev->name, bp->gunzip_outlen);
4879 bp->gunzip_outlen >>= 2;
4880
4881 zlib_inflateEnd(bp->strm);
4882
4883 if (rc == Z_STREAM_END)
4884 return 0;
4885
4886 return rc;
4887}
4888
4889/* nic load/unload */
4890
4891/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004892 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004893 */
4894
4895/* send a NIG loopback debug packet */
4896static void bnx2x_lb_pckt(struct bnx2x *bp)
4897{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004898 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004899
4900 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004901 wb_write[0] = 0x55555555;
4902 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004903 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004904 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004905
4906 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004907 wb_write[0] = 0x09000000;
4908 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004909 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004910 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004911}
4912
4913/* some of the internal memories
4914 * are not directly readable from the driver
4915 * to test them we send debug packets
4916 */
4917static int bnx2x_int_mem_test(struct bnx2x *bp)
4918{
4919 int factor;
4920 int count, i;
4921 u32 val = 0;
4922
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004923 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004924 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004925 else if (CHIP_REV_IS_EMUL(bp))
4926 factor = 200;
4927 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004928 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004929
4930 DP(NETIF_MSG_HW, "start part1\n");
4931
4932 /* Disable inputs of parser neighbor blocks */
4933 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4934 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4935 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004936 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004937
4938 /* Write 0 to parser credits for CFC search request */
4939 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4940
4941 /* send Ethernet packet */
4942 bnx2x_lb_pckt(bp);
4943
4944 /* TODO do i reset NIG statistic? */
4945 /* Wait until NIG register shows 1 packet of size 0x10 */
4946 count = 1000 * factor;
4947 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004948
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004949 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4950 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004951 if (val == 0x10)
4952 break;
4953
4954 msleep(10);
4955 count--;
4956 }
4957 if (val != 0x10) {
4958 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4959 return -1;
4960 }
4961
4962 /* Wait until PRS register shows 1 packet */
4963 count = 1000 * factor;
4964 while (count) {
4965 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004966 if (val == 1)
4967 break;
4968
4969 msleep(10);
4970 count--;
4971 }
4972 if (val != 0x1) {
4973 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4974 return -2;
4975 }
4976
4977 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004978 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004979 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004980 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004981 msleep(50);
4982 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
4983 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
4984
4985 DP(NETIF_MSG_HW, "part2\n");
4986
4987 /* Disable inputs of parser neighbor blocks */
4988 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4989 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4990 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004991 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004992
4993 /* Write 0 to parser credits for CFC search request */
4994 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4995
4996 /* send 10 Ethernet packets */
4997 for (i = 0; i < 10; i++)
4998 bnx2x_lb_pckt(bp);
4999
5000 /* Wait until NIG register shows 10 + 1
5001 packets of size 11*0x10 = 0xb0 */
5002 count = 1000 * factor;
5003 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005004
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005005 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5006 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005007 if (val == 0xb0)
5008 break;
5009
5010 msleep(10);
5011 count--;
5012 }
5013 if (val != 0xb0) {
5014 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5015 return -3;
5016 }
5017
5018 /* Wait until PRS register shows 2 packets */
5019 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5020 if (val != 2)
5021 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5022
5023 /* Write 1 to parser credits for CFC search request */
5024 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
5025
5026 /* Wait until PRS register shows 3 packets */
5027 msleep(10 * factor);
5028 /* Wait until NIG register shows 1 packet of size 0x10 */
5029 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5030 if (val != 3)
5031 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5032
5033 /* clear NIG EOP FIFO */
5034 for (i = 0; i < 11; i++)
5035 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
5036 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
5037 if (val != 1) {
5038 BNX2X_ERR("clear of NIG failed\n");
5039 return -4;
5040 }
5041
5042 /* Reset and init BRB, PRS, NIG */
5043 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
5044 msleep(50);
5045 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
5046 msleep(50);
5047 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5048 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5049#ifndef BCM_ISCSI
5050 /* set NIC mode */
5051 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5052#endif
5053
5054 /* Enable inputs of parser neighbor blocks */
5055 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
5056 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
5057 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005058 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005059
5060 DP(NETIF_MSG_HW, "done\n");
5061
5062 return 0; /* OK */
5063}
5064
5065static void enable_blocks_attention(struct bnx2x *bp)
5066{
5067 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5068 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
5069 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5070 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5071 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
5072 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
5073 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
5074 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
5075 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005076/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
5077/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005078 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
5079 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
5080 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005081/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
5082/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005083 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
5084 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
5085 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
5086 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005087/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
5088/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
5089 if (CHIP_REV_IS_FPGA(bp))
5090 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
5091 else
5092 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005093 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
5094 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
5095 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005096/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
5097/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005098 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
5099 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005100/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
5101 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005102}
5103
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005104
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005105static int bnx2x_init_common(struct bnx2x *bp)
5106{
5107 u32 val, i;
5108
5109 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_FUNC(bp));
5110
5111 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
5112 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
5113
5114 bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END);
5115 if (CHIP_IS_E1H(bp))
5116 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_E1HMF(bp));
5117
5118 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100);
5119 msleep(30);
5120 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0);
5121
5122 bnx2x_init_block(bp, PXP_COMMON_START, PXP_COMMON_END);
5123 if (CHIP_IS_E1(bp)) {
5124 /* enable HW interrupt from PXP on USDM overflow
5125 bit 16 on INT_MASK_0 */
5126 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005127 }
5128
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005129 bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END);
5130 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005131
5132#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005133 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5134 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5135 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5136 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5137 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
5138 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005139
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005140/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5141 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5142 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5143 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5144 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005145#endif
5146
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005147 REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005148#ifdef BCM_ISCSI
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005149 REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5);
5150 REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5);
5151 REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005152#endif
5153
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005154 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5155 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005156
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005157 /* let the HW do it's magic ... */
5158 msleep(100);
5159 /* finish PXP init */
5160 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5161 if (val != 1) {
5162 BNX2X_ERR("PXP2 CFG failed\n");
5163 return -EBUSY;
5164 }
5165 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5166 if (val != 1) {
5167 BNX2X_ERR("PXP2 RD_INIT failed\n");
5168 return -EBUSY;
5169 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005170
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005171 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5172 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005173
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005174 bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005175
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005176 /* clean the DMAE memory */
5177 bp->dmae_ready = 1;
5178 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005179
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005180 bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END);
5181 bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END);
5182 bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END);
5183 bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005184
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005185 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5186 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5187 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5188 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5189
5190 bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END);
5191 /* soft reset pulse */
5192 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5193 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005194
5195#ifdef BCM_ISCSI
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005196 bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005197#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005198
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005199 bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END);
5200 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_SHIFT);
5201 if (!CHIP_REV_IS_SLOW(bp)) {
5202 /* enable hw interrupt from doorbell Q */
5203 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5204 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005205
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005206 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5207 if (CHIP_REV_IS_SLOW(bp)) {
5208 /* fix for emulation and FPGA for no pause */
5209 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0, 513);
5210 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_1, 513);
5211 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0, 0);
5212 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_1, 0);
5213 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005214
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005215 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005216 /* set NIC mode */
5217 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005218 if (CHIP_IS_E1H(bp))
5219 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_E1HMF(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005220
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005221 bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END);
5222 bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END);
5223 bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END);
5224 bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005225
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005226 if (CHIP_IS_E1H(bp)) {
5227 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5228 STORM_INTMEM_SIZE_E1H/2);
5229 bnx2x_init_fill(bp,
5230 TSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5231 0, STORM_INTMEM_SIZE_E1H/2);
5232 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5233 STORM_INTMEM_SIZE_E1H/2);
5234 bnx2x_init_fill(bp,
5235 CSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5236 0, STORM_INTMEM_SIZE_E1H/2);
5237 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5238 STORM_INTMEM_SIZE_E1H/2);
5239 bnx2x_init_fill(bp,
5240 XSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5241 0, STORM_INTMEM_SIZE_E1H/2);
5242 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5243 STORM_INTMEM_SIZE_E1H/2);
5244 bnx2x_init_fill(bp,
5245 USTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5246 0, STORM_INTMEM_SIZE_E1H/2);
5247 } else { /* E1 */
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005248 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5249 STORM_INTMEM_SIZE_E1);
5250 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5251 STORM_INTMEM_SIZE_E1);
5252 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5253 STORM_INTMEM_SIZE_E1);
5254 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5255 STORM_INTMEM_SIZE_E1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005256 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005257
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005258 bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END);
5259 bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END);
5260 bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END);
5261 bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005262
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005263 /* sync semi rtc */
5264 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5265 0x80000000);
5266 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5267 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005268
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005269 bnx2x_init_block(bp, UPB_COMMON_START, UPB_COMMON_END);
5270 bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END);
5271 bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005272
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005273 REG_WR(bp, SRC_REG_SOFT_RST, 1);
5274 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) {
5275 REG_WR(bp, i, 0xc0cac01a);
5276 /* TODO: replace with something meaningful */
5277 }
5278 if (CHIP_IS_E1H(bp))
5279 bnx2x_init_block(bp, SRCH_COMMON_START, SRCH_COMMON_END);
5280 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005281
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005282 if (sizeof(union cdu_context) != 1024)
5283 /* we currently assume that a context is 1024 bytes */
5284 printk(KERN_ALERT PFX "please adjust the size of"
5285 " cdu_context(%ld)\n", (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005286
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005287 bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END);
5288 val = (4 << 24) + (0 << 12) + 1024;
5289 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
5290 if (CHIP_IS_E1(bp)) {
5291 /* !!! fix pxp client crdit until excel update */
5292 REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264);
5293 REG_WR(bp, CDU_REG_CDU_DEBUG, 0);
5294 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005295
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005296 bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END);
5297 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005298
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005299 bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END);
5300 bnx2x_init_block(bp, MISC_AEU_COMMON_START, MISC_AEU_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005301
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005302 /* PXPCS COMMON comes here */
5303 /* Reset PCIE errors for debug */
5304 REG_WR(bp, 0x2814, 0xffffffff);
5305 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005306
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005307 /* EMAC0 COMMON comes here */
5308 /* EMAC1 COMMON comes here */
5309 /* DBU COMMON comes here */
5310 /* DBG COMMON comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005311
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005312 bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END);
5313 if (CHIP_IS_E1H(bp)) {
5314 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_E1HMF(bp));
5315 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_E1HMF(bp));
5316 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005317
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005318 if (CHIP_REV_IS_SLOW(bp))
5319 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005320
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005321 /* finish CFC init */
5322 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5323 if (val != 1) {
5324 BNX2X_ERR("CFC LL_INIT failed\n");
5325 return -EBUSY;
5326 }
5327 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5328 if (val != 1) {
5329 BNX2X_ERR("CFC AC_INIT failed\n");
5330 return -EBUSY;
5331 }
5332 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5333 if (val != 1) {
5334 BNX2X_ERR("CFC CAM_INIT failed\n");
5335 return -EBUSY;
5336 }
5337 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005338
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005339 /* read NIG statistic
5340 to see if this is our first up since powerup */
5341 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5342 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005343
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005344 /* do internal memory self test */
5345 if ((CHIP_IS_E1(bp)) && (val == 0) && bnx2x_int_mem_test(bp)) {
5346 BNX2X_ERR("internal mem self test failed\n");
5347 return -EBUSY;
5348 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005349
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005350 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
Eilon Greenstein7add9052008-08-25 15:20:48 -07005351 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005352 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5353 /* Fan failure is indicated by SPIO 5 */
5354 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
5355 MISC_REGISTERS_SPIO_INPUT_HI_Z);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005356
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005357 /* set to active low mode */
5358 val = REG_RD(bp, MISC_REG_SPIO_INT);
5359 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Eliezer Tamirf1410642008-02-28 11:51:50 -08005360 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005361 REG_WR(bp, MISC_REG_SPIO_INT, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005362
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005363 /* enable interrupt to signal the IGU */
5364 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
5365 val |= (1 << MISC_REGISTERS_SPIO_5);
5366 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
5367 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08005368
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005369 default:
5370 break;
5371 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08005372
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005373 /* clear PXP2 attentions */
5374 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005375
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005376 enable_blocks_attention(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005377
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005378 if (!BP_NOMCP(bp)) {
5379 bnx2x_acquire_phy_lock(bp);
5380 bnx2x_common_init_phy(bp, bp->common.shmem_base);
5381 bnx2x_release_phy_lock(bp);
5382 } else
5383 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5384
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005385 return 0;
5386}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005387
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005388static int bnx2x_init_port(struct bnx2x *bp)
5389{
5390 int port = BP_PORT(bp);
5391 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005392
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005393 DP(BNX2X_MSG_MCP, "starting port init port %x\n", port);
5394
5395 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005396
5397 /* Port PXP comes here */
5398 /* Port PXP2 comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005399#ifdef BCM_ISCSI
5400 /* Port0 1
5401 * Port1 385 */
5402 i++;
5403 wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping);
5404 wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping);
5405 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5406 REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i));
5407
5408 /* Port0 2
5409 * Port1 386 */
5410 i++;
5411 wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping);
5412 wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping);
5413 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5414 REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i));
5415
5416 /* Port0 3
5417 * Port1 387 */
5418 i++;
5419 wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping);
5420 wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping);
5421 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5422 REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i));
5423#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005424 /* Port CMs come here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005425
5426 /* Port QM comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005427#ifdef BCM_ISCSI
5428 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20);
5429 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31);
5430
5431 bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START,
5432 func ? TIMERS_PORT1_END : TIMERS_PORT0_END);
5433#endif
5434 /* Port DQ comes here */
5435 /* Port BRB1 comes here */
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005436 /* Port PRS comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005437 /* Port TSDM comes here */
5438 /* Port CSDM comes here */
5439 /* Port USDM comes here */
5440 /* Port XSDM comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005441 bnx2x_init_block(bp, port ? TSEM_PORT1_START : TSEM_PORT0_START,
5442 port ? TSEM_PORT1_END : TSEM_PORT0_END);
5443 bnx2x_init_block(bp, port ? USEM_PORT1_START : USEM_PORT0_START,
5444 port ? USEM_PORT1_END : USEM_PORT0_END);
5445 bnx2x_init_block(bp, port ? CSEM_PORT1_START : CSEM_PORT0_START,
5446 port ? CSEM_PORT1_END : CSEM_PORT0_END);
5447 bnx2x_init_block(bp, port ? XSEM_PORT1_START : XSEM_PORT0_START,
5448 port ? XSEM_PORT1_END : XSEM_PORT0_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005449 /* Port UPB comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005450 /* Port XPB comes here */
5451
5452 bnx2x_init_block(bp, port ? PBF_PORT1_START : PBF_PORT0_START,
5453 port ? PBF_PORT1_END : PBF_PORT0_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005454
5455 /* configure PBF to work without PAUSE mtu 9000 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005456 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005457
5458 /* update threshold */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005459 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005460 /* update init credit */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005461 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005462
5463 /* probe changes */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005464 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005465 msleep(5);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005466 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005467
5468#ifdef BCM_ISCSI
5469 /* tell the searcher where the T2 table is */
5470 REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64);
5471
5472 wb_write[0] = U64_LO(bp->t2_mapping);
5473 wb_write[1] = U64_HI(bp->t2_mapping);
5474 REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2);
5475 wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64);
5476 wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64);
5477 REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2);
5478
5479 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10);
5480 /* Port SRCH comes here */
5481#endif
5482 /* Port CDU comes here */
5483 /* Port CFC comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005484
5485 if (CHIP_IS_E1(bp)) {
5486 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5487 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5488 }
5489 bnx2x_init_block(bp, port ? HC_PORT1_START : HC_PORT0_START,
5490 port ? HC_PORT1_END : HC_PORT0_END);
5491
5492 bnx2x_init_block(bp, port ? MISC_AEU_PORT1_START :
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005493 MISC_AEU_PORT0_START,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005494 port ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END);
5495 /* init aeu_mask_attn_func_0/1:
5496 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5497 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5498 * bits 4-7 are used for "per vn group attention" */
5499 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4,
5500 (IS_E1HMF(bp) ? 0xF7 : 0x7));
5501
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005502 /* Port PXPCS comes here */
5503 /* Port EMAC0 comes here */
5504 /* Port EMAC1 comes here */
5505 /* Port DBU comes here */
5506 /* Port DBG comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005507 bnx2x_init_block(bp, port ? NIG_PORT1_START : NIG_PORT0_START,
5508 port ? NIG_PORT1_END : NIG_PORT0_END);
5509
5510 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5511
5512 if (CHIP_IS_E1H(bp)) {
5513 u32 wsum;
5514 struct cmng_struct_per_port m_cmng_port;
5515 int vn;
5516
5517 /* 0x2 disable e1hov, 0x1 enable */
5518 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
5519 (IS_E1HMF(bp) ? 0x1 : 0x2));
5520
5521 /* Init RATE SHAPING and FAIRNESS contexts.
5522 Initialize as if there is 10G link. */
5523 wsum = bnx2x_calc_vn_wsum(bp);
5524 bnx2x_init_port_minmax(bp, (int)wsum, 10000, &m_cmng_port);
5525 if (IS_E1HMF(bp))
5526 for (vn = VN_0; vn < E1HVN_MAX; vn++)
5527 bnx2x_init_vn_minmax(bp, 2*vn + port,
5528 wsum, 10000, &m_cmng_port);
5529 }
5530
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005531 /* Port MCP comes here */
5532 /* Port DMAE comes here */
5533
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005534 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
Eilon Greenstein7add9052008-08-25 15:20:48 -07005535 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
Eliezer Tamirf1410642008-02-28 11:51:50 -08005536 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5537 /* add SPIO 5 to group 0 */
5538 val = REG_RD(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5539 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
5540 REG_WR(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0, val);
5541 break;
5542
5543 default:
5544 break;
5545 }
5546
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07005547 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005548
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005549 return 0;
5550}
5551
5552#define ILT_PER_FUNC (768/2)
5553#define FUNC_ILT_BASE(func) (func * ILT_PER_FUNC)
5554/* the phys address is shifted right 12 bits and has an added
5555 1=valid bit added to the 53rd bit
5556 then since this is a wide register(TM)
5557 we split it into two 32 bit writes
5558 */
5559#define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF))
5560#define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44)))
5561#define PXP_ONE_ILT(x) (((x) << 10) | x)
5562#define PXP_ILT_RANGE(f, l) (((l) << 10) | f)
5563
5564#define CNIC_ILT_LINES 0
5565
5566static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5567{
5568 int reg;
5569
5570 if (CHIP_IS_E1H(bp))
5571 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5572 else /* E1 */
5573 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
5574
5575 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5576}
5577
5578static int bnx2x_init_func(struct bnx2x *bp)
5579{
5580 int port = BP_PORT(bp);
5581 int func = BP_FUNC(bp);
5582 int i;
5583
5584 DP(BNX2X_MSG_MCP, "starting func init func %x\n", func);
5585
5586 i = FUNC_ILT_BASE(func);
5587
5588 bnx2x_ilt_wr(bp, i, bnx2x_sp_mapping(bp, context));
5589 if (CHIP_IS_E1H(bp)) {
5590 REG_WR(bp, PXP2_REG_RQ_CDU_FIRST_ILT, i);
5591 REG_WR(bp, PXP2_REG_RQ_CDU_LAST_ILT, i + CNIC_ILT_LINES);
5592 } else /* E1 */
5593 REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4,
5594 PXP_ILT_RANGE(i, i + CNIC_ILT_LINES));
5595
5596
5597 if (CHIP_IS_E1H(bp)) {
5598 for (i = 0; i < 9; i++)
5599 bnx2x_init_block(bp,
5600 cm_start[func][i], cm_end[func][i]);
5601
5602 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
5603 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->e1hov);
5604 }
5605
5606 /* HC init per function */
5607 if (CHIP_IS_E1H(bp)) {
5608 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5609
5610 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5611 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5612 }
5613 bnx2x_init_block(bp, hc_limits[func][0], hc_limits[func][1]);
5614
5615 if (CHIP_IS_E1H(bp))
5616 REG_WR(bp, HC_REG_FUNC_NUM_P0 + port*4, func);
5617
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005618 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005619 REG_WR(bp, 0x2114, 0xffffffff);
5620 REG_WR(bp, 0x2120, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005621
5622 return 0;
5623}
5624
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005625static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5626{
5627 int i, rc = 0;
5628
5629 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
5630 BP_FUNC(bp), load_code);
5631
5632 bp->dmae_ready = 0;
5633 mutex_init(&bp->dmae_mutex);
5634 bnx2x_gunzip_init(bp);
5635
5636 switch (load_code) {
5637 case FW_MSG_CODE_DRV_LOAD_COMMON:
5638 rc = bnx2x_init_common(bp);
5639 if (rc)
5640 goto init_hw_err;
5641 /* no break */
5642
5643 case FW_MSG_CODE_DRV_LOAD_PORT:
5644 bp->dmae_ready = 1;
5645 rc = bnx2x_init_port(bp);
5646 if (rc)
5647 goto init_hw_err;
5648 /* no break */
5649
5650 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5651 bp->dmae_ready = 1;
5652 rc = bnx2x_init_func(bp);
5653 if (rc)
5654 goto init_hw_err;
5655 break;
5656
5657 default:
5658 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5659 break;
5660 }
5661
5662 if (!BP_NOMCP(bp)) {
5663 int func = BP_FUNC(bp);
5664
5665 bp->fw_drv_pulse_wr_seq =
5666 (SHMEM_RD(bp, func_mb[func].drv_pulse_mb) &
5667 DRV_PULSE_SEQ_MASK);
5668 bp->func_stx = SHMEM_RD(bp, func_mb[func].fw_mb_param);
5669 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x func_stx 0x%x\n",
5670 bp->fw_drv_pulse_wr_seq, bp->func_stx);
5671 } else
5672 bp->func_stx = 0;
5673
5674 /* this needs to be done before gunzip end */
5675 bnx2x_zero_def_sb(bp);
5676 for_each_queue(bp, i)
5677 bnx2x_zero_sb(bp, BP_L_ID(bp) + i);
5678
5679init_hw_err:
5680 bnx2x_gunzip_end(bp);
5681
5682 return rc;
5683}
5684
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005685/* send the MCP a request, block until there is a reply */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005686static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
5687{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005688 int func = BP_FUNC(bp);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005689 u32 seq = ++bp->fw_seq;
5690 u32 rc = 0;
Eilon Greenstein19680c42008-08-13 15:47:33 -07005691 u32 cnt = 1;
5692 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005693
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005694 SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq));
Eliezer Tamirf1410642008-02-28 11:51:50 -08005695 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005696
Eilon Greenstein19680c42008-08-13 15:47:33 -07005697 do {
5698 /* let the FW do it's magic ... */
5699 msleep(delay);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005700
Eilon Greenstein19680c42008-08-13 15:47:33 -07005701 rc = SHMEM_RD(bp, func_mb[func].fw_mb_header);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005702
Eilon Greenstein19680c42008-08-13 15:47:33 -07005703 /* Give the FW up to 2 second (200*10ms) */
5704 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 200));
5705
5706 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
5707 cnt*delay, rc, seq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005708
5709 /* is this a reply to our command? */
5710 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) {
5711 rc &= FW_MSG_CODE_MASK;
Eliezer Tamirf1410642008-02-28 11:51:50 -08005712
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005713 } else {
5714 /* FW BUG! */
5715 BNX2X_ERR("FW failed to respond!\n");
5716 bnx2x_fw_dump(bp);
5717 rc = 0;
5718 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08005719
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005720 return rc;
5721}
5722
5723static void bnx2x_free_mem(struct bnx2x *bp)
5724{
5725
5726#define BNX2X_PCI_FREE(x, y, size) \
5727 do { \
5728 if (x) { \
5729 pci_free_consistent(bp->pdev, size, x, y); \
5730 x = NULL; \
5731 y = 0; \
5732 } \
5733 } while (0)
5734
5735#define BNX2X_FREE(x) \
5736 do { \
5737 if (x) { \
5738 vfree(x); \
5739 x = NULL; \
5740 } \
5741 } while (0)
5742
5743 int i;
5744
5745 /* fastpath */
5746 for_each_queue(bp, i) {
5747
5748 /* Status blocks */
5749 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk),
5750 bnx2x_fp(bp, i, status_blk_mapping),
5751 sizeof(struct host_status_block) +
5752 sizeof(struct eth_tx_db_data));
5753
5754 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5755 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
5756 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
5757 bnx2x_fp(bp, i, tx_desc_mapping),
5758 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5759
5760 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5761 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5762 bnx2x_fp(bp, i, rx_desc_mapping),
5763 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5764
5765 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5766 bnx2x_fp(bp, i, rx_comp_mapping),
5767 sizeof(struct eth_fast_path_rx_cqe) *
5768 NUM_RCQ_BD);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005769
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005770 /* SGE ring */
Eilon Greenstein32626232008-08-13 15:51:07 -07005771 BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005772 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5773 bnx2x_fp(bp, i, rx_sge_mapping),
5774 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5775 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005776 /* end of fastpath */
5777
5778 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005779 sizeof(struct host_def_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005780
5781 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005782 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005783
5784#ifdef BCM_ISCSI
5785 BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024);
5786 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024);
5787 BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024);
5788 BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024);
5789#endif
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005790 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005791
5792#undef BNX2X_PCI_FREE
5793#undef BNX2X_KFREE
5794}
5795
5796static int bnx2x_alloc_mem(struct bnx2x *bp)
5797{
5798
5799#define BNX2X_PCI_ALLOC(x, y, size) \
5800 do { \
5801 x = pci_alloc_consistent(bp->pdev, size, y); \
5802 if (x == NULL) \
5803 goto alloc_mem_err; \
5804 memset(x, 0, size); \
5805 } while (0)
5806
5807#define BNX2X_ALLOC(x, size) \
5808 do { \
5809 x = vmalloc(size); \
5810 if (x == NULL) \
5811 goto alloc_mem_err; \
5812 memset(x, 0, size); \
5813 } while (0)
5814
5815 int i;
5816
5817 /* fastpath */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005818 for_each_queue(bp, i) {
5819 bnx2x_fp(bp, i, bp) = bp;
5820
5821 /* Status blocks */
5822 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk),
5823 &bnx2x_fp(bp, i, status_blk_mapping),
5824 sizeof(struct host_status_block) +
5825 sizeof(struct eth_tx_db_data));
5826
5827 bnx2x_fp(bp, i, hw_tx_prods) =
5828 (void *)(bnx2x_fp(bp, i, status_blk) + 1);
5829
5830 bnx2x_fp(bp, i, tx_prods_mapping) =
5831 bnx2x_fp(bp, i, status_blk_mapping) +
5832 sizeof(struct host_status_block);
5833
5834 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5835 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
5836 sizeof(struct sw_tx_bd) * NUM_TX_BD);
5837 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
5838 &bnx2x_fp(bp, i, tx_desc_mapping),
5839 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5840
5841 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
5842 sizeof(struct sw_rx_bd) * NUM_RX_BD);
5843 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
5844 &bnx2x_fp(bp, i, rx_desc_mapping),
5845 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5846
5847 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
5848 &bnx2x_fp(bp, i, rx_comp_mapping),
5849 sizeof(struct eth_fast_path_rx_cqe) *
5850 NUM_RCQ_BD);
5851
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005852 /* SGE ring */
5853 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
5854 sizeof(struct sw_rx_page) * NUM_RX_SGE);
5855 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
5856 &bnx2x_fp(bp, i, rx_sge_mapping),
5857 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005858 }
5859 /* end of fastpath */
5860
5861 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
5862 sizeof(struct host_def_status_block));
5863
5864 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5865 sizeof(struct bnx2x_slowpath));
5866
5867#ifdef BCM_ISCSI
5868 BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024);
5869
5870 /* Initialize T1 */
5871 for (i = 0; i < 64*1024; i += 64) {
5872 *(u64 *)((char *)bp->t1 + i + 56) = 0x0UL;
5873 *(u64 *)((char *)bp->t1 + i + 3) = 0x0UL;
5874 }
5875
5876 /* allocate searcher T2 table
5877 we allocate 1/4 of alloc num for T2
5878 (which is not entered into the ILT) */
5879 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024);
5880
5881 /* Initialize T2 */
5882 for (i = 0; i < 16*1024; i += 64)
5883 * (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64;
5884
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005885 /* now fixup the last line in the block to point to the next block */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005886 *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping;
5887
5888 /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */
5889 BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024);
5890
5891 /* QM queues (128*MAX_CONN) */
5892 BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024);
5893#endif
5894
5895 /* Slow path ring */
5896 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5897
5898 return 0;
5899
5900alloc_mem_err:
5901 bnx2x_free_mem(bp);
5902 return -ENOMEM;
5903
5904#undef BNX2X_PCI_ALLOC
5905#undef BNX2X_ALLOC
5906}
5907
5908static void bnx2x_free_tx_skbs(struct bnx2x *bp)
5909{
5910 int i;
5911
5912 for_each_queue(bp, i) {
5913 struct bnx2x_fastpath *fp = &bp->fp[i];
5914
5915 u16 bd_cons = fp->tx_bd_cons;
5916 u16 sw_prod = fp->tx_pkt_prod;
5917 u16 sw_cons = fp->tx_pkt_cons;
5918
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005919 while (sw_cons != sw_prod) {
5920 bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons));
5921 sw_cons++;
5922 }
5923 }
5924}
5925
5926static void bnx2x_free_rx_skbs(struct bnx2x *bp)
5927{
5928 int i, j;
5929
5930 for_each_queue(bp, j) {
5931 struct bnx2x_fastpath *fp = &bp->fp[j];
5932
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005933 for (i = 0; i < NUM_RX_BD; i++) {
5934 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i];
5935 struct sk_buff *skb = rx_buf->skb;
5936
5937 if (skb == NULL)
5938 continue;
5939
5940 pci_unmap_single(bp->pdev,
5941 pci_unmap_addr(rx_buf, mapping),
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07005942 bp->rx_buf_size,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005943 PCI_DMA_FROMDEVICE);
5944
5945 rx_buf->skb = NULL;
5946 dev_kfree_skb(skb);
5947 }
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005948 if (!fp->disable_tpa)
Eilon Greenstein32626232008-08-13 15:51:07 -07005949 bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ?
5950 ETH_MAX_AGGREGATION_QUEUES_E1 :
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005951 ETH_MAX_AGGREGATION_QUEUES_E1H);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005952 }
5953}
5954
5955static void bnx2x_free_skbs(struct bnx2x *bp)
5956{
5957 bnx2x_free_tx_skbs(bp);
5958 bnx2x_free_rx_skbs(bp);
5959}
5960
5961static void bnx2x_free_msix_irqs(struct bnx2x *bp)
5962{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005963 int i, offset = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005964
5965 free_irq(bp->msix_table[0].vector, bp->dev);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005966 DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005967 bp->msix_table[0].vector);
5968
5969 for_each_queue(bp, i) {
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005970 DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq "
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005971 "state %x\n", i, bp->msix_table[i + offset].vector,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005972 bnx2x_fp(bp, i, state));
5973
Eliezer Tamir228241e2008-02-28 11:56:57 -08005974 if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED)
5975 BNX2X_ERR("IRQ of fp #%d being freed while "
5976 "state != closed\n", i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005977
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005978 free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005979 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005980}
5981
5982static void bnx2x_free_irq(struct bnx2x *bp)
5983{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005984 if (bp->flags & USING_MSIX_FLAG) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005985 bnx2x_free_msix_irqs(bp);
5986 pci_disable_msix(bp->pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005987 bp->flags &= ~USING_MSIX_FLAG;
5988
5989 } else
5990 free_irq(bp->pdev->irq, bp->dev);
5991}
5992
5993static int bnx2x_enable_msix(struct bnx2x *bp)
5994{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005995 int i, rc, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005996
5997 bp->msix_table[0].entry = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005998 offset = 1;
5999 DP(NETIF_MSG_IFUP, "msix_table[0].entry = 0 (slowpath)\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006000
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006001 for_each_queue(bp, i) {
6002 int igu_vec = offset + i + BP_L_ID(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006003
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006004 bp->msix_table[i + offset].entry = igu_vec;
6005 DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d "
6006 "(fastpath #%u)\n", i + offset, igu_vec, i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006007 }
6008
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006009 rc = pci_enable_msix(bp->pdev, &bp->msix_table[0],
6010 bp->num_queues + offset);
6011 if (rc) {
6012 DP(NETIF_MSG_IFUP, "MSI-X is not attainable\n");
6013 return -1;
6014 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006015 bp->flags |= USING_MSIX_FLAG;
6016
6017 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006018}
6019
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006020static int bnx2x_req_msix_irqs(struct bnx2x *bp)
6021{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006022 int i, rc, offset = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006023
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006024 rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0,
6025 bp->dev->name, bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006026 if (rc) {
6027 BNX2X_ERR("request sp irq failed\n");
6028 return -EBUSY;
6029 }
6030
6031 for_each_queue(bp, i) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006032 rc = request_irq(bp->msix_table[i + offset].vector,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006033 bnx2x_msix_fp_int, 0,
6034 bp->dev->name, &bp->fp[i]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006035 if (rc) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07006036 BNX2X_ERR("request fp #%d irq failed rc -%d\n",
6037 i + offset, -rc);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006038 bnx2x_free_msix_irqs(bp);
6039 return -EBUSY;
6040 }
6041
6042 bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006043 }
6044
6045 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006046}
6047
6048static int bnx2x_req_irq(struct bnx2x *bp)
6049{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006050 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006051
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006052 rc = request_irq(bp->pdev->irq, bnx2x_interrupt, IRQF_SHARED,
6053 bp->dev->name, bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006054 if (!rc)
6055 bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ;
6056
6057 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006058}
6059
Yitchak Gertner65abd742008-08-25 15:26:24 -07006060static void bnx2x_napi_enable(struct bnx2x *bp)
6061{
6062 int i;
6063
6064 for_each_queue(bp, i)
6065 napi_enable(&bnx2x_fp(bp, i, napi));
6066}
6067
6068static void bnx2x_napi_disable(struct bnx2x *bp)
6069{
6070 int i;
6071
6072 for_each_queue(bp, i)
6073 napi_disable(&bnx2x_fp(bp, i, napi));
6074}
6075
6076static void bnx2x_netif_start(struct bnx2x *bp)
6077{
6078 if (atomic_dec_and_test(&bp->intr_sem)) {
6079 if (netif_running(bp->dev)) {
6080 if (bp->state == BNX2X_STATE_OPEN)
6081 netif_wake_queue(bp->dev);
6082 bnx2x_napi_enable(bp);
6083 bnx2x_int_enable(bp);
6084 }
6085 }
6086}
6087
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07006088static void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw)
Yitchak Gertner65abd742008-08-25 15:26:24 -07006089{
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07006090 bnx2x_int_disable_sync(bp, disable_hw);
Yitchak Gertner65abd742008-08-25 15:26:24 -07006091 if (netif_running(bp->dev)) {
6092 bnx2x_napi_disable(bp);
6093 netif_tx_disable(bp->dev);
6094 bp->dev->trans_start = jiffies; /* prevent tx timeout */
6095 }
6096}
6097
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006098/*
6099 * Init service functions
6100 */
6101
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006102static void bnx2x_set_mac_addr_e1(struct bnx2x *bp, int set)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006103{
6104 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006105 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006106
6107 /* CAM allocation
6108 * unicasts 0-31:port0 32-63:port1
6109 * multicast 64-127:port0 128-191:port1
6110 */
6111 config->hdr.length_6b = 2;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006112 config->hdr.offset = port ? 31 : 0;
6113 config->hdr.client_id = BP_CL_ID(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006114 config->hdr.reserved1 = 0;
6115
6116 /* primary MAC */
6117 config->config_table[0].cam_entry.msb_mac_addr =
6118 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6119 config->config_table[0].cam_entry.middle_mac_addr =
6120 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6121 config->config_table[0].cam_entry.lsb_mac_addr =
6122 swab16(*(u16 *)&bp->dev->dev_addr[4]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006123 config->config_table[0].cam_entry.flags = cpu_to_le16(port);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006124 if (set)
6125 config->config_table[0].target_table_entry.flags = 0;
6126 else
6127 CAM_INVALIDATE(config->config_table[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006128 config->config_table[0].target_table_entry.client_id = 0;
6129 config->config_table[0].target_table_entry.vlan_id = 0;
6130
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006131 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)\n",
6132 (set ? "setting" : "clearing"),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006133 config->config_table[0].cam_entry.msb_mac_addr,
6134 config->config_table[0].cam_entry.middle_mac_addr,
6135 config->config_table[0].cam_entry.lsb_mac_addr);
6136
6137 /* broadcast */
6138 config->config_table[1].cam_entry.msb_mac_addr = 0xffff;
6139 config->config_table[1].cam_entry.middle_mac_addr = 0xffff;
6140 config->config_table[1].cam_entry.lsb_mac_addr = 0xffff;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006141 config->config_table[1].cam_entry.flags = cpu_to_le16(port);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006142 if (set)
6143 config->config_table[1].target_table_entry.flags =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006144 TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST;
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006145 else
6146 CAM_INVALIDATE(config->config_table[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006147 config->config_table[1].target_table_entry.client_id = 0;
6148 config->config_table[1].target_table_entry.vlan_id = 0;
6149
6150 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6151 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6152 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6153}
6154
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006155static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp, int set)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006156{
6157 struct mac_configuration_cmd_e1h *config =
6158 (struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config);
6159
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006160 if (set && (bp->state != BNX2X_STATE_OPEN)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006161 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
6162 return;
6163 }
6164
6165 /* CAM allocation for E1H
6166 * unicasts: by func number
6167 * multicast: 20+FUNC*20, 20 each
6168 */
6169 config->hdr.length_6b = 1;
6170 config->hdr.offset = BP_FUNC(bp);
6171 config->hdr.client_id = BP_CL_ID(bp);
6172 config->hdr.reserved1 = 0;
6173
6174 /* primary MAC */
6175 config->config_table[0].msb_mac_addr =
6176 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6177 config->config_table[0].middle_mac_addr =
6178 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6179 config->config_table[0].lsb_mac_addr =
6180 swab16(*(u16 *)&bp->dev->dev_addr[4]);
6181 config->config_table[0].client_id = BP_L_ID(bp);
6182 config->config_table[0].vlan_id = 0;
6183 config->config_table[0].e1hov_id = cpu_to_le16(bp->e1hov);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006184 if (set)
6185 config->config_table[0].flags = BP_PORT(bp);
6186 else
6187 config->config_table[0].flags =
6188 MAC_CONFIGURATION_ENTRY_E1H_ACTION_TYPE;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006189
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006190 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) E1HOV %d CLID %d\n",
6191 (set ? "setting" : "clearing"),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006192 config->config_table[0].msb_mac_addr,
6193 config->config_table[0].middle_mac_addr,
6194 config->config_table[0].lsb_mac_addr, bp->e1hov, BP_L_ID(bp));
6195
6196 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6197 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6198 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6199}
6200
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006201static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6202 int *state_p, int poll)
6203{
6204 /* can take a while if any port is running */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006205 int cnt = 500;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006206
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006207 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6208 poll ? "polling" : "waiting", state, idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006209
6210 might_sleep();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006211 while (cnt--) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006212 if (poll) {
6213 bnx2x_rx_int(bp->fp, 10);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006214 /* if index is different from 0
6215 * the reply for some commands will
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006216 * be on the non default queue
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006217 */
6218 if (idx)
6219 bnx2x_rx_int(&bp->fp[idx], 10);
6220 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006221
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006222 mb(); /* state is changed by bnx2x_sp_event() */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006223 if (*state_p == state)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006224 return 0;
6225
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006226 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006227 }
6228
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006229 /* timeout! */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006230 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6231 poll ? "polling" : "waiting", state, idx);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006232#ifdef BNX2X_STOP_ON_ERROR
6233 bnx2x_panic();
6234#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006235
Eliezer Tamir49d66772008-02-28 11:53:13 -08006236 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006237}
6238
6239static int bnx2x_setup_leading(struct bnx2x *bp)
6240{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006241 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006242
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006243 /* reset IGU state */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006244 bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006245
6246 /* SETUP ramrod */
6247 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0);
6248
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006249 /* Wait for completion */
6250 rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006251
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006252 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006253}
6254
6255static int bnx2x_setup_multi(struct bnx2x *bp, int index)
6256{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006257 /* reset IGU state */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006258 bnx2x_ack_sb(bp, bp->fp[index].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006259
Eliezer Tamir228241e2008-02-28 11:56:57 -08006260 /* SETUP ramrod */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006261 bp->fp[index].state = BNX2X_FP_STATE_OPENING;
6262 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0);
6263
6264 /* Wait for completion */
6265 return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index,
Eliezer Tamir228241e2008-02-28 11:56:57 -08006266 &(bp->fp[index].state), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006267}
6268
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006269static int bnx2x_poll(struct napi_struct *napi, int budget);
6270static void bnx2x_set_rx_mode(struct net_device *dev);
6271
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006272/* must be called with rtnl_lock */
6273static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006274{
Eliezer Tamir228241e2008-02-28 11:56:57 -08006275 u32 load_code;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006276 int i, rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006277#ifdef BNX2X_STOP_ON_ERROR
6278 if (unlikely(bp->panic))
6279 return -EPERM;
6280#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006281
6282 bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;
6283
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006284 /* Send LOAD_REQUEST command to MCP
6285 Returns the type of LOAD command:
6286 if it is the first port to be initialized
6287 common blocks should be initialized, otherwise - not
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006288 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006289 if (!BP_NOMCP(bp)) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08006290 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ);
6291 if (!load_code) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006292 BNX2X_ERR("MCP response failure, aborting\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08006293 return -EBUSY;
6294 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006295 if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006296 return -EBUSY; /* other port in diagnostic mode */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006297
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006298 } else {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006299 int port = BP_PORT(bp);
6300
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006301 DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n",
6302 load_count[0], load_count[1], load_count[2]);
6303 load_count[0]++;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006304 load_count[1 + port]++;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006305 DP(NETIF_MSG_IFUP, "NO MCP new load counts %d, %d, %d\n",
6306 load_count[0], load_count[1], load_count[2]);
6307 if (load_count[0] == 1)
6308 load_code = FW_MSG_CODE_DRV_LOAD_COMMON;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006309 else if (load_count[1 + port] == 1)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006310 load_code = FW_MSG_CODE_DRV_LOAD_PORT;
6311 else
6312 load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006313 }
6314
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006315 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) ||
6316 (load_code == FW_MSG_CODE_DRV_LOAD_PORT))
6317 bp->port.pmf = 1;
6318 else
6319 bp->port.pmf = 0;
6320 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
6321
6322 /* if we can't use MSI-X we only need one fp,
6323 * so try to enable MSI-X with the requested number of fp's
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006324 * and fallback to inta with one fp
6325 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006326 if (use_inta) {
6327 bp->num_queues = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006328
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006329 } else {
6330 if ((use_multi > 1) && (use_multi <= BP_MAX_QUEUES(bp)))
6331 /* user requested number */
6332 bp->num_queues = use_multi;
6333
6334 else if (use_multi)
6335 bp->num_queues = min_t(u32, num_online_cpus(),
6336 BP_MAX_QUEUES(bp));
6337 else
6338 bp->num_queues = 1;
6339
6340 if (bnx2x_enable_msix(bp)) {
6341 /* failed to enable MSI-X */
6342 bp->num_queues = 1;
6343 if (use_multi)
6344 BNX2X_ERR("Multi requested but failed"
6345 " to enable MSI-X\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006346 }
6347 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006348 DP(NETIF_MSG_IFUP,
6349 "set number of queues to %d\n", bp->num_queues);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006350
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006351 if (bnx2x_alloc_mem(bp))
6352 return -ENOMEM;
6353
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006354 for_each_queue(bp, i)
6355 bnx2x_fp(bp, i, disable_tpa) =
6356 ((bp->flags & TPA_ENABLE_FLAG) == 0);
6357
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006358 if (bp->flags & USING_MSIX_FLAG) {
6359 rc = bnx2x_req_msix_irqs(bp);
6360 if (rc) {
6361 pci_disable_msix(bp->pdev);
6362 goto load_error;
6363 }
6364 } else {
6365 bnx2x_ack_int(bp);
6366 rc = bnx2x_req_irq(bp);
6367 if (rc) {
6368 BNX2X_ERR("IRQ request failed, aborting\n");
6369 goto load_error;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006370 }
6371 }
6372
6373 for_each_queue(bp, i)
6374 netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
6375 bnx2x_poll, 128);
6376
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006377 /* Initialize HW */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006378 rc = bnx2x_init_hw(bp, load_code);
6379 if (rc) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006380 BNX2X_ERR("HW init failed, aborting\n");
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006381 goto load_int_disable;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006382 }
6383
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006384 /* Setup NIC internals and enable interrupts */
Eilon Greenstein471de712008-08-13 15:49:35 -07006385 bnx2x_nic_init(bp, load_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006386
6387 /* Send LOAD_DONE command to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006388 if (!BP_NOMCP(bp)) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08006389 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE);
6390 if (!load_code) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006391 BNX2X_ERR("MCP response failure, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006392 rc = -EBUSY;
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006393 goto load_rings_free;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006394 }
6395 }
6396
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07006397 bnx2x_stats_init(bp);
6398
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006399 bp->state = BNX2X_STATE_OPENING_WAIT4_PORT;
6400
6401 /* Enable Rx interrupt handling before sending the ramrod
6402 as it's completed on Rx FP queue */
Yitchak Gertner65abd742008-08-25 15:26:24 -07006403 bnx2x_napi_enable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006404
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006405 /* Enable interrupt handling */
6406 atomic_set(&bp->intr_sem, 0);
6407
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006408 rc = bnx2x_setup_leading(bp);
6409 if (rc) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006410 BNX2X_ERR("Setup leading failed!\n");
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006411 goto load_netif_stop;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006412 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006413
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006414 if (CHIP_IS_E1H(bp))
6415 if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) {
6416 BNX2X_ERR("!!! mf_cfg function disabled\n");
6417 bp->state = BNX2X_STATE_DISABLED;
6418 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006419
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006420 if (bp->state == BNX2X_STATE_OPEN)
6421 for_each_nondefault_queue(bp, i) {
6422 rc = bnx2x_setup_multi(bp, i);
6423 if (rc)
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006424 goto load_netif_stop;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006425 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006426
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006427 if (CHIP_IS_E1(bp))
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006428 bnx2x_set_mac_addr_e1(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006429 else
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006430 bnx2x_set_mac_addr_e1h(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006431
6432 if (bp->port.pmf)
6433 bnx2x_initial_phy_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006434
6435 /* Start fast path */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006436 switch (load_mode) {
6437 case LOAD_NORMAL:
6438 /* Tx queue should be only reenabled */
6439 netif_wake_queue(bp->dev);
6440 bnx2x_set_rx_mode(bp->dev);
6441 break;
6442
6443 case LOAD_OPEN:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006444 netif_start_queue(bp->dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006445 bnx2x_set_rx_mode(bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006446 if (bp->flags & USING_MSIX_FLAG)
6447 printk(KERN_INFO PFX "%s: using MSI-X\n",
6448 bp->dev->name);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006449 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006450
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006451 case LOAD_DIAG:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006452 bnx2x_set_rx_mode(bp->dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006453 bp->state = BNX2X_STATE_DIAG;
6454 break;
6455
6456 default:
6457 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006458 }
6459
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006460 if (!bp->port.pmf)
6461 bnx2x__link_status_update(bp);
6462
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006463 /* start the timer */
6464 mod_timer(&bp->timer, jiffies + bp->current_interval);
6465
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006466
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006467 return 0;
6468
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006469load_netif_stop:
Yitchak Gertner65abd742008-08-25 15:26:24 -07006470 bnx2x_napi_disable(bp);
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006471load_rings_free:
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006472 /* Free SKBs, SGEs, TPA pool and driver internals */
6473 bnx2x_free_skbs(bp);
6474 for_each_queue(bp, i)
Eilon Greenstein3196a882008-08-13 15:58:49 -07006475 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006476load_int_disable:
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07006477 bnx2x_int_disable_sync(bp, 1);
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006478 /* Release IRQs */
6479 bnx2x_free_irq(bp);
Eliezer Tamir228241e2008-02-28 11:56:57 -08006480load_error:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006481 bnx2x_free_mem(bp);
Eilon Greenstein9a035442008-11-03 16:45:55 -08006482 bp->port.pmf = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006483
6484 /* TBD we really need to reset the chip
6485 if we want to recover from this */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006486 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006487}
6488
6489static int bnx2x_stop_multi(struct bnx2x *bp, int index)
6490{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006491 int rc;
6492
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006493 /* halt the connection */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006494 bp->fp[index].state = BNX2X_FP_STATE_HALTING;
Yitchak Gertner231fd582008-08-25 15:27:06 -07006495 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, index, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006496
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006497 /* Wait for completion */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006498 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006499 &(bp->fp[index].state), 1);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006500 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006501 return rc;
6502
6503 /* delete cfc entry */
6504 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1);
6505
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006506 /* Wait for completion */
6507 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index,
6508 &(bp->fp[index].state), 1);
6509 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006510}
6511
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006512static int bnx2x_stop_leading(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006513{
Eliezer Tamir49d66772008-02-28 11:53:13 -08006514 u16 dsb_sp_prod_idx;
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006515 /* if the other port is handling traffic,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006516 this can take a lot of time */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006517 int cnt = 500;
6518 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006519
6520 might_sleep();
6521
6522 /* Send HALT ramrod */
6523 bp->fp[0].state = BNX2X_FP_STATE_HALTING;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006524 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, BP_CL_ID(bp), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006525
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006526 /* Wait for completion */
6527 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0,
6528 &(bp->fp[0].state), 1);
6529 if (rc) /* timeout */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006530 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006531
Eliezer Tamir49d66772008-02-28 11:53:13 -08006532 dsb_sp_prod_idx = *bp->dsb_sp_prod;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006533
Eliezer Tamir228241e2008-02-28 11:56:57 -08006534 /* Send PORT_DELETE ramrod */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006535 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1);
6536
Eliezer Tamir49d66772008-02-28 11:53:13 -08006537 /* Wait for completion to arrive on default status block
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006538 we are going to reset the chip anyway
6539 so there is not much to do if this times out
6540 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006541 while (dsb_sp_prod_idx == *bp->dsb_sp_prod) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006542 if (!cnt) {
6543 DP(NETIF_MSG_IFDOWN, "timeout waiting for port del "
6544 "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n",
6545 *bp->dsb_sp_prod, dsb_sp_prod_idx);
6546#ifdef BNX2X_STOP_ON_ERROR
6547 bnx2x_panic();
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006548#else
6549 rc = -EBUSY;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006550#endif
6551 break;
6552 }
6553 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006554 msleep(1);
Eliezer Tamir49d66772008-02-28 11:53:13 -08006555 }
6556 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
6557 bp->fp[0].state = BNX2X_FP_STATE_CLOSED;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006558
6559 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006560}
6561
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006562static void bnx2x_reset_func(struct bnx2x *bp)
6563{
6564 int port = BP_PORT(bp);
6565 int func = BP_FUNC(bp);
6566 int base, i;
Eliezer Tamir49d66772008-02-28 11:53:13 -08006567
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006568 /* Configure IGU */
6569 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6570 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6571
6572 REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000);
6573
6574 /* Clear ILT */
6575 base = FUNC_ILT_BASE(func);
6576 for (i = base; i < base + ILT_PER_FUNC; i++)
6577 bnx2x_ilt_wr(bp, i, 0);
6578}
6579
6580static void bnx2x_reset_port(struct bnx2x *bp)
6581{
6582 int port = BP_PORT(bp);
6583 u32 val;
6584
6585 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6586
6587 /* Do not rcv packets to BRB */
6588 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6589 /* Do not direct rcv packets that are not for MCP to the BRB */
6590 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6591 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6592
6593 /* Configure AEU */
6594 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6595
6596 msleep(100);
6597 /* Check for BRB port occupancy */
6598 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6599 if (val)
6600 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07006601 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006602
6603 /* TODO: Close Doorbell port? */
6604}
6605
6606static void bnx2x_reset_common(struct bnx2x *bp)
6607{
6608 /* reset_common */
6609 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6610 0xd3ffff7f);
6611 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
6612}
6613
6614static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6615{
6616 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
6617 BP_FUNC(bp), reset_code);
6618
6619 switch (reset_code) {
6620 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
6621 bnx2x_reset_port(bp);
6622 bnx2x_reset_func(bp);
6623 bnx2x_reset_common(bp);
6624 break;
6625
6626 case FW_MSG_CODE_DRV_UNLOAD_PORT:
6627 bnx2x_reset_port(bp);
6628 bnx2x_reset_func(bp);
6629 break;
6630
6631 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
6632 bnx2x_reset_func(bp);
6633 break;
6634
6635 default:
6636 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
6637 break;
6638 }
6639}
6640
Eilon Greenstein33471622008-08-13 15:59:08 -07006641/* must be called with rtnl_lock */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006642static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006643{
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006644 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006645 u32 reset_code = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006646 int i, cnt, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006647
6648 bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;
6649
Eliezer Tamir228241e2008-02-28 11:56:57 -08006650 bp->rx_mode = BNX2X_RX_MODE_NONE;
6651 bnx2x_set_storm_rx_mode(bp);
6652
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07006653 bnx2x_netif_stop(bp, 1);
Yitchak Gertner65abd742008-08-25 15:26:24 -07006654 if (!netif_running(bp->dev))
6655 bnx2x_napi_disable(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006656 del_timer_sync(&bp->timer);
6657 SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb,
6658 (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq));
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07006659 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006660
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006661 /* Wait until tx fast path tasks complete */
Eliezer Tamir228241e2008-02-28 11:56:57 -08006662 for_each_queue(bp, i) {
6663 struct bnx2x_fastpath *fp = &bp->fp[i];
6664
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006665 cnt = 1000;
6666 smp_rmb();
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006667 while (BNX2X_HAS_TX_WORK(fp)) {
6668
Yitchak Gertner65abd742008-08-25 15:26:24 -07006669 bnx2x_tx_int(fp, 1000);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006670 if (!cnt) {
6671 BNX2X_ERR("timeout waiting for queue[%d]\n",
6672 i);
6673#ifdef BNX2X_STOP_ON_ERROR
6674 bnx2x_panic();
6675 return -EBUSY;
6676#else
6677 break;
6678#endif
6679 }
6680 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006681 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006682 smp_rmb();
6683 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08006684 }
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006685 /* Give HW time to discard old tx messages */
6686 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006687
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006688 /* Release IRQs */
6689 bnx2x_free_irq(bp);
6690
Yitchak Gertner65abd742008-08-25 15:26:24 -07006691 if (CHIP_IS_E1(bp)) {
6692 struct mac_configuration_cmd *config =
6693 bnx2x_sp(bp, mcast_config);
6694
6695 bnx2x_set_mac_addr_e1(bp, 0);
6696
6697 for (i = 0; i < config->hdr.length_6b; i++)
6698 CAM_INVALIDATE(config->config_table[i]);
6699
6700 config->hdr.length_6b = i;
6701 if (CHIP_REV_IS_SLOW(bp))
6702 config->hdr.offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
6703 else
6704 config->hdr.offset = BNX2X_MAX_MULTICAST*(1 + port);
6705 config->hdr.client_id = BP_CL_ID(bp);
6706 config->hdr.reserved1 = 0;
6707
6708 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6709 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
6710 U64_LO(bnx2x_sp_mapping(bp, mcast_config)), 0);
6711
6712 } else { /* E1H */
6713 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
6714
6715 bnx2x_set_mac_addr_e1h(bp, 0);
6716
6717 for (i = 0; i < MC_HASH_SIZE; i++)
6718 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
6719 }
6720
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006721 if (unload_mode == UNLOAD_NORMAL)
6722 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006723
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006724 else if (bp->flags & NO_WOL_FLAG) {
6725 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
6726 if (CHIP_IS_E1H(bp))
6727 REG_WR(bp, MISC_REG_E1HMF_MODE, 0);
6728
6729 } else if (bp->wol) {
6730 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006731 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006732 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006733 /* The mac address is written to entries 1-4 to
6734 preserve entry 0 which is used by the PMF */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006735 u8 entry = (BP_E1HVN(bp) + 1)*8;
6736
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006737 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07006738 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006739
6740 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
6741 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07006742 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006743
6744 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006745
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006746 } else
6747 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6748
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006749 /* Close multi and leading connections
6750 Completions for ramrods are collected in a synchronous way */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006751 for_each_nondefault_queue(bp, i)
6752 if (bnx2x_stop_multi(bp, i))
Eliezer Tamir228241e2008-02-28 11:56:57 -08006753 goto unload_error;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006754
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006755 rc = bnx2x_stop_leading(bp);
6756 if (rc) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006757 BNX2X_ERR("Stop leading failed!\n");
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006758#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006759 return -EBUSY;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006760#else
6761 goto unload_error;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006762#endif
Eliezer Tamir228241e2008-02-28 11:56:57 -08006763 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006764
Eliezer Tamir228241e2008-02-28 11:56:57 -08006765unload_error:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006766 if (!BP_NOMCP(bp))
Eliezer Tamir228241e2008-02-28 11:56:57 -08006767 reset_code = bnx2x_fw_command(bp, reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006768 else {
6769 DP(NETIF_MSG_IFDOWN, "NO MCP load counts %d, %d, %d\n",
6770 load_count[0], load_count[1], load_count[2]);
6771 load_count[0]--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006772 load_count[1 + port]--;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006773 DP(NETIF_MSG_IFDOWN, "NO MCP new load counts %d, %d, %d\n",
6774 load_count[0], load_count[1], load_count[2]);
6775 if (load_count[0] == 0)
6776 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006777 else if (load_count[1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006778 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
6779 else
6780 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
6781 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006782
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006783 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
6784 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
6785 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006786
6787 /* Reset the chip */
Eliezer Tamir228241e2008-02-28 11:56:57 -08006788 bnx2x_reset_chip(bp, reset_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006789
6790 /* Report UNLOAD_DONE to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006791 if (!BP_NOMCP(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006792 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
Eilon Greenstein9a035442008-11-03 16:45:55 -08006793 bp->port.pmf = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006794
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006795 /* Free SKBs, SGEs, TPA pool and driver internals */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006796 bnx2x_free_skbs(bp);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006797 for_each_queue(bp, i)
Eilon Greenstein3196a882008-08-13 15:58:49 -07006798 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006799 bnx2x_free_mem(bp);
6800
6801 bp->state = BNX2X_STATE_CLOSED;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006802
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006803 netif_carrier_off(bp->dev);
6804
6805 return 0;
6806}
6807
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006808static void bnx2x_reset_task(struct work_struct *work)
6809{
6810 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task);
6811
6812#ifdef BNX2X_STOP_ON_ERROR
6813 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
6814 " so reset not done to allow debug dump,\n"
6815 KERN_ERR " you will need to reboot when done\n");
6816 return;
6817#endif
6818
6819 rtnl_lock();
6820
6821 if (!netif_running(bp->dev))
6822 goto reset_task_exit;
6823
6824 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
6825 bnx2x_nic_load(bp, LOAD_NORMAL);
6826
6827reset_task_exit:
6828 rtnl_unlock();
6829}
6830
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006831/* end of nic load/unload */
6832
6833/* ethtool_ops */
6834
6835/*
6836 * Init service functions
6837 */
6838
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006839static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006840{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006841 u32 val;
6842
6843 /* Check if there is any driver already loaded */
6844 val = REG_RD(bp, MISC_REG_UNPREPARED);
6845 if (val == 0x1) {
6846 /* Check if it is the UNDI driver
6847 * UNDI driver initializes CID offset for normal bell to 0x7
6848 */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07006849 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006850 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
Eilon Greenstein76b190c2008-08-25 15:22:46 -07006851 if (val == 0x7)
6852 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
6853 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
6854
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006855 if (val == 0x7) {
6856 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006857 /* save our func */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006858 int func = BP_FUNC(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006859 u32 swap_en;
6860 u32 swap_val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006861
6862 BNX2X_DEV_INFO("UNDI is active! reset device\n");
6863
6864 /* try unload UNDI on port 0 */
6865 bp->func = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006866 bp->fw_seq =
6867 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6868 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006869 reset_code = bnx2x_fw_command(bp, reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006870
6871 /* if UNDI is loaded on the other port */
6872 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
6873
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006874 /* send "DONE" for previous unload */
6875 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6876
6877 /* unload UNDI on port 1 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006878 bp->func = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006879 bp->fw_seq =
6880 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6881 DRV_MSG_SEQ_NUMBER_MASK);
6882 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006883
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006884 bnx2x_fw_command(bp, reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006885 }
6886
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006887 REG_WR(bp, (BP_PORT(bp) ? HC_REG_CONFIG_1 :
6888 HC_REG_CONFIG_0), 0x1000);
6889
6890 /* close input traffic and wait for it */
6891 /* Do not rcv packets to BRB */
6892 REG_WR(bp,
6893 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
6894 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
6895 /* Do not direct rcv packets that are not for MCP to
6896 * the BRB */
6897 REG_WR(bp,
6898 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
6899 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6900 /* clear AEU */
6901 REG_WR(bp,
6902 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
6903 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
6904 msleep(10);
6905
6906 /* save NIG port swap info */
6907 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
6908 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006909 /* reset device */
6910 REG_WR(bp,
6911 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006912 0xd3ffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006913 REG_WR(bp,
6914 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
6915 0x1403);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006916 /* take the NIG out of reset and restore swap values */
6917 REG_WR(bp,
6918 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6919 MISC_REGISTERS_RESET_REG_1_RST_NIG);
6920 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
6921 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
6922
6923 /* send unload done to the MCP */
6924 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6925
6926 /* restore our func and fw_seq */
6927 bp->func = func;
6928 bp->fw_seq =
6929 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6930 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006931 }
6932 }
6933}
6934
6935static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
6936{
6937 u32 val, val2, val3, val4, id;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07006938 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006939
6940 /* Get the chip revision id and number. */
6941 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
6942 val = REG_RD(bp, MISC_REG_CHIP_NUM);
6943 id = ((val & 0xffff) << 16);
6944 val = REG_RD(bp, MISC_REG_CHIP_REV);
6945 id |= ((val & 0xf) << 12);
6946 val = REG_RD(bp, MISC_REG_CHIP_METAL);
6947 id |= ((val & 0xff) << 4);
6948 REG_RD(bp, MISC_REG_BOND_ID);
6949 id |= (val & 0xf);
6950 bp->common.chip_id = id;
6951 bp->link_params.chip_id = bp->common.chip_id;
6952 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
6953
6954 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
6955 bp->common.flash_size = (NVRAM_1MB_SIZE <<
6956 (val & MCPR_NVM_CFG4_FLASH_SIZE));
6957 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
6958 bp->common.flash_size, bp->common.flash_size);
6959
6960 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
6961 bp->link_params.shmem_base = bp->common.shmem_base;
6962 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
6963
6964 if (!bp->common.shmem_base ||
6965 (bp->common.shmem_base < 0xA0000) ||
6966 (bp->common.shmem_base >= 0xC0000)) {
6967 BNX2X_DEV_INFO("MCP not active\n");
6968 bp->flags |= NO_MCP_FLAG;
6969 return;
6970 }
6971
6972 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
6973 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6974 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6975 BNX2X_ERR("BAD MCP validity signature\n");
6976
6977 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
6978 bp->common.board = SHMEM_RD(bp, dev_info.shared_hw_config.board);
6979
6980 BNX2X_DEV_INFO("hw_config 0x%08x board 0x%08x\n",
6981 bp->common.hw_config, bp->common.board);
6982
6983 bp->link_params.hw_led_mode = ((bp->common.hw_config &
6984 SHARED_HW_CFG_LED_MODE_MASK) >>
6985 SHARED_HW_CFG_LED_MODE_SHIFT);
6986
6987 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
6988 bp->common.bc_ver = val;
6989 BNX2X_DEV_INFO("bc_ver %X\n", val);
6990 if (val < BNX2X_BC_VER) {
6991 /* for now only warn
6992 * later we might need to enforce this */
6993 BNX2X_ERR("This driver needs bc_ver %X but found %X,"
6994 " please upgrade BC\n", BNX2X_BC_VER, val);
6995 }
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07006996
6997 if (BP_E1HVN(bp) == 0) {
6998 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
6999 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
7000 } else {
7001 /* no WOL capability for E1HVN != 0 */
7002 bp->flags |= NO_WOL_FLAG;
7003 }
7004 BNX2X_DEV_INFO("%sWoL capable\n",
7005 (bp->flags & NO_WOL_FLAG) ? "Not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007006
7007 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
7008 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
7009 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
7010 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
7011
7012 printk(KERN_INFO PFX "part number %X-%X-%X-%X\n",
7013 val, val2, val3, val4);
7014}
7015
7016static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
7017 u32 switch_cfg)
7018{
7019 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007020 u32 ext_phy_type;
7021
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007022 switch (switch_cfg) {
7023 case SWITCH_CFG_1G:
7024 BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg);
7025
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007026 ext_phy_type =
7027 SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007028 switch (ext_phy_type) {
7029 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
7030 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7031 ext_phy_type);
7032
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007033 bp->port.supported |= (SUPPORTED_10baseT_Half |
7034 SUPPORTED_10baseT_Full |
7035 SUPPORTED_100baseT_Half |
7036 SUPPORTED_100baseT_Full |
7037 SUPPORTED_1000baseT_Full |
7038 SUPPORTED_2500baseX_Full |
7039 SUPPORTED_TP |
7040 SUPPORTED_FIBRE |
7041 SUPPORTED_Autoneg |
7042 SUPPORTED_Pause |
7043 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007044 break;
7045
7046 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
7047 BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n",
7048 ext_phy_type);
7049
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007050 bp->port.supported |= (SUPPORTED_10baseT_Half |
7051 SUPPORTED_10baseT_Full |
7052 SUPPORTED_100baseT_Half |
7053 SUPPORTED_100baseT_Full |
7054 SUPPORTED_1000baseT_Full |
7055 SUPPORTED_TP |
7056 SUPPORTED_FIBRE |
7057 SUPPORTED_Autoneg |
7058 SUPPORTED_Pause |
7059 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007060 break;
7061
7062 default:
7063 BNX2X_ERR("NVRAM config error. "
7064 "BAD SerDes ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007065 bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007066 return;
7067 }
7068
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007069 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
7070 port*0x10);
7071 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007072 break;
7073
7074 case SWITCH_CFG_10G:
7075 BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg);
7076
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007077 ext_phy_type =
7078 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007079 switch (ext_phy_type) {
7080 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7081 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7082 ext_phy_type);
7083
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007084 bp->port.supported |= (SUPPORTED_10baseT_Half |
7085 SUPPORTED_10baseT_Full |
7086 SUPPORTED_100baseT_Half |
7087 SUPPORTED_100baseT_Full |
7088 SUPPORTED_1000baseT_Full |
7089 SUPPORTED_2500baseX_Full |
7090 SUPPORTED_10000baseT_Full |
7091 SUPPORTED_TP |
7092 SUPPORTED_FIBRE |
7093 SUPPORTED_Autoneg |
7094 SUPPORTED_Pause |
7095 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007096 break;
7097
7098 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007099 BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007100 ext_phy_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007101
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007102 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7103 SUPPORTED_FIBRE |
7104 SUPPORTED_Pause |
7105 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007106 break;
7107
Eliezer Tamirf1410642008-02-28 11:51:50 -08007108 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7109 BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n",
7110 ext_phy_type);
7111
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007112 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7113 SUPPORTED_1000baseT_Full |
7114 SUPPORTED_FIBRE |
7115 SUPPORTED_Pause |
7116 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007117 break;
7118
7119 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
7120 BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n",
7121 ext_phy_type);
7122
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007123 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7124 SUPPORTED_1000baseT_Full |
7125 SUPPORTED_FIBRE |
7126 SUPPORTED_Autoneg |
7127 SUPPORTED_Pause |
7128 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007129 break;
7130
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007131 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
7132 BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n",
7133 ext_phy_type);
7134
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007135 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7136 SUPPORTED_2500baseX_Full |
7137 SUPPORTED_1000baseT_Full |
7138 SUPPORTED_FIBRE |
7139 SUPPORTED_Autoneg |
7140 SUPPORTED_Pause |
7141 SUPPORTED_Asym_Pause);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007142 break;
7143
Eliezer Tamirf1410642008-02-28 11:51:50 -08007144 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7145 BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n",
7146 ext_phy_type);
7147
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007148 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7149 SUPPORTED_TP |
7150 SUPPORTED_Autoneg |
7151 SUPPORTED_Pause |
7152 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007153 break;
7154
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007155 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7156 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7157 bp->link_params.ext_phy_config);
7158 break;
7159
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007160 default:
7161 BNX2X_ERR("NVRAM config error. "
7162 "BAD XGXS ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007163 bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007164 return;
7165 }
7166
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007167 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
7168 port*0x18);
7169 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007170
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007171 break;
7172
7173 default:
7174 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007175 bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007176 return;
7177 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007178 bp->link_params.phy_addr = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007179
7180 /* mask what we support according to speed_cap_mask */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007181 if (!(bp->link_params.speed_cap_mask &
7182 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007183 bp->port.supported &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007184
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007185 if (!(bp->link_params.speed_cap_mask &
7186 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007187 bp->port.supported &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007188
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007189 if (!(bp->link_params.speed_cap_mask &
7190 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007191 bp->port.supported &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007192
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007193 if (!(bp->link_params.speed_cap_mask &
7194 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007195 bp->port.supported &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007196
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007197 if (!(bp->link_params.speed_cap_mask &
7198 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007199 bp->port.supported &= ~(SUPPORTED_1000baseT_Half |
7200 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007201
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007202 if (!(bp->link_params.speed_cap_mask &
7203 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007204 bp->port.supported &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007205
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007206 if (!(bp->link_params.speed_cap_mask &
7207 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007208 bp->port.supported &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007209
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007210 BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007211}
7212
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007213static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007214{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007215 bp->link_params.req_duplex = DUPLEX_FULL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007216
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007217 switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007218 case PORT_FEATURE_LINK_SPEED_AUTO:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007219 if (bp->port.supported & SUPPORTED_Autoneg) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007220 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007221 bp->port.advertising = bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007222 } else {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007223 u32 ext_phy_type =
7224 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7225
7226 if ((ext_phy_type ==
7227 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
7228 (ext_phy_type ==
7229 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007230 /* force 10G, no AN */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007231 bp->link_params.req_line_speed = SPEED_10000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007232 bp->port.advertising =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007233 (ADVERTISED_10000baseT_Full |
7234 ADVERTISED_FIBRE);
7235 break;
7236 }
7237 BNX2X_ERR("NVRAM config error. "
7238 "Invalid link_config 0x%x"
7239 " Autoneg not supported\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007240 bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007241 return;
7242 }
7243 break;
7244
7245 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007246 if (bp->port.supported & SUPPORTED_10baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007247 bp->link_params.req_line_speed = SPEED_10;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007248 bp->port.advertising = (ADVERTISED_10baseT_Full |
7249 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007250 } else {
7251 BNX2X_ERR("NVRAM config error. "
7252 "Invalid link_config 0x%x"
7253 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007254 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007255 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007256 return;
7257 }
7258 break;
7259
7260 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007261 if (bp->port.supported & SUPPORTED_10baseT_Half) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007262 bp->link_params.req_line_speed = SPEED_10;
7263 bp->link_params.req_duplex = DUPLEX_HALF;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007264 bp->port.advertising = (ADVERTISED_10baseT_Half |
7265 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007266 } else {
7267 BNX2X_ERR("NVRAM config error. "
7268 "Invalid link_config 0x%x"
7269 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007270 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007271 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007272 return;
7273 }
7274 break;
7275
7276 case PORT_FEATURE_LINK_SPEED_100M_FULL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007277 if (bp->port.supported & SUPPORTED_100baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007278 bp->link_params.req_line_speed = SPEED_100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007279 bp->port.advertising = (ADVERTISED_100baseT_Full |
7280 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007281 } else {
7282 BNX2X_ERR("NVRAM config error. "
7283 "Invalid link_config 0x%x"
7284 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007285 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007286 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007287 return;
7288 }
7289 break;
7290
7291 case PORT_FEATURE_LINK_SPEED_100M_HALF:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007292 if (bp->port.supported & SUPPORTED_100baseT_Half) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007293 bp->link_params.req_line_speed = SPEED_100;
7294 bp->link_params.req_duplex = DUPLEX_HALF;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007295 bp->port.advertising = (ADVERTISED_100baseT_Half |
7296 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007297 } else {
7298 BNX2X_ERR("NVRAM config error. "
7299 "Invalid link_config 0x%x"
7300 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007301 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007302 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007303 return;
7304 }
7305 break;
7306
7307 case PORT_FEATURE_LINK_SPEED_1G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007308 if (bp->port.supported & SUPPORTED_1000baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007309 bp->link_params.req_line_speed = SPEED_1000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007310 bp->port.advertising = (ADVERTISED_1000baseT_Full |
7311 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007312 } else {
7313 BNX2X_ERR("NVRAM config error. "
7314 "Invalid link_config 0x%x"
7315 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007316 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007317 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007318 return;
7319 }
7320 break;
7321
7322 case PORT_FEATURE_LINK_SPEED_2_5G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007323 if (bp->port.supported & SUPPORTED_2500baseX_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007324 bp->link_params.req_line_speed = SPEED_2500;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007325 bp->port.advertising = (ADVERTISED_2500baseX_Full |
7326 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007327 } else {
7328 BNX2X_ERR("NVRAM config error. "
7329 "Invalid link_config 0x%x"
7330 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007331 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007332 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007333 return;
7334 }
7335 break;
7336
7337 case PORT_FEATURE_LINK_SPEED_10G_CX4:
7338 case PORT_FEATURE_LINK_SPEED_10G_KX4:
7339 case PORT_FEATURE_LINK_SPEED_10G_KR:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007340 if (bp->port.supported & SUPPORTED_10000baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007341 bp->link_params.req_line_speed = SPEED_10000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007342 bp->port.advertising = (ADVERTISED_10000baseT_Full |
7343 ADVERTISED_FIBRE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007344 } else {
7345 BNX2X_ERR("NVRAM config error. "
7346 "Invalid link_config 0x%x"
7347 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007348 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007349 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007350 return;
7351 }
7352 break;
7353
7354 default:
7355 BNX2X_ERR("NVRAM config error. "
7356 "BAD link speed link_config 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007357 bp->port.link_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007358 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007359 bp->port.advertising = bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007360 break;
7361 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007362
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007363 bp->link_params.req_flow_ctrl = (bp->port.link_config &
7364 PORT_FEATURE_FLOW_CONTROL_MASK);
David S. Millerc0700f92008-12-16 23:53:20 -08007365 if ((bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) &&
Randy Dunlap4ab84d42008-08-07 20:33:19 -07007366 !(bp->port.supported & SUPPORTED_Autoneg))
David S. Millerc0700f92008-12-16 23:53:20 -08007367 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007368
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007369 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl 0x%x"
Eliezer Tamirf1410642008-02-28 11:51:50 -08007370 " advertising 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007371 bp->link_params.req_line_speed,
7372 bp->link_params.req_duplex,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007373 bp->link_params.req_flow_ctrl, bp->port.advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007374}
7375
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007376static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007377{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007378 int port = BP_PORT(bp);
7379 u32 val, val2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007380
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007381 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007382 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007383
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007384 bp->link_params.serdes_config =
Eliezer Tamirf1410642008-02-28 11:51:50 -08007385 SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007386 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007387 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007388 bp->link_params.ext_phy_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007389 SHMEM_RD(bp,
7390 dev_info.port_hw_config[port].external_phy_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007391 bp->link_params.speed_cap_mask =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007392 SHMEM_RD(bp,
7393 dev_info.port_hw_config[port].speed_capability_mask);
7394
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007395 bp->port.link_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007396 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
7397
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007398 BNX2X_DEV_INFO("serdes_config 0x%08x lane_config 0x%08x\n"
7399 KERN_INFO " ext_phy_config 0x%08x speed_cap_mask 0x%08x"
7400 " link_config 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007401 bp->link_params.serdes_config,
7402 bp->link_params.lane_config,
7403 bp->link_params.ext_phy_config,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007404 bp->link_params.speed_cap_mask, bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007405
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007406 bp->link_params.switch_cfg = (bp->port.link_config &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007407 PORT_FEATURE_CONNECTED_SWITCH_MASK);
7408 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007409
7410 bnx2x_link_settings_requested(bp);
7411
7412 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
7413 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
7414 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7415 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7416 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7417 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7418 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7419 bp->dev->dev_addr[5] = (u8)(val & 0xff);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007420 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
7421 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007422}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007423
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007424static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
7425{
7426 int func = BP_FUNC(bp);
7427 u32 val, val2;
7428 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007429
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007430 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007431
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007432 bp->e1hov = 0;
7433 bp->e1hmf = 0;
7434 if (CHIP_IS_E1H(bp)) {
7435 bp->mf_config =
7436 SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007437
Eilon Greenstein3196a882008-08-13 15:58:49 -07007438 val = (SHMEM_RD(bp, mf_cfg.func_mf_config[func].e1hov_tag) &
7439 FUNC_MF_CFG_E1HOV_TAG_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007440 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007441
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007442 bp->e1hov = val;
7443 bp->e1hmf = 1;
7444 BNX2X_DEV_INFO("MF mode E1HOV for func %d is %d "
7445 "(0x%04x)\n",
7446 func, bp->e1hov, bp->e1hov);
7447 } else {
7448 BNX2X_DEV_INFO("Single function mode\n");
7449 if (BP_E1HVN(bp)) {
7450 BNX2X_ERR("!!! No valid E1HOV for func %d,"
7451 " aborting\n", func);
7452 rc = -EPERM;
7453 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007454 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007455 }
7456
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007457 if (!BP_NOMCP(bp)) {
7458 bnx2x_get_port_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007459
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007460 bp->fw_seq = (SHMEM_RD(bp, func_mb[func].drv_mb_header) &
7461 DRV_MSG_SEQ_NUMBER_MASK);
7462 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
7463 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007464
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007465 if (IS_E1HMF(bp)) {
7466 val2 = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_upper);
7467 val = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_lower);
7468 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
7469 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) {
7470 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7471 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7472 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7473 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7474 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7475 bp->dev->dev_addr[5] = (u8)(val & 0xff);
7476 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr,
7477 ETH_ALEN);
7478 memcpy(bp->dev->perm_addr, bp->dev->dev_addr,
7479 ETH_ALEN);
7480 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007481
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007482 return rc;
7483 }
7484
7485 if (BP_NOMCP(bp)) {
7486 /* only supposed to happen on emulation/FPGA */
Eilon Greenstein33471622008-08-13 15:59:08 -07007487 BNX2X_ERR("warning random MAC workaround active\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007488 random_ether_addr(bp->dev->dev_addr);
7489 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7490 }
7491
7492 return rc;
7493}
7494
7495static int __devinit bnx2x_init_bp(struct bnx2x *bp)
7496{
7497 int func = BP_FUNC(bp);
7498 int rc;
7499
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007500 /* Disable interrupt handling until HW is initialized */
7501 atomic_set(&bp->intr_sem, 1);
7502
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007503 mutex_init(&bp->port.phy_mutex);
7504
7505 INIT_WORK(&bp->sp_task, bnx2x_sp_task);
7506 INIT_WORK(&bp->reset_task, bnx2x_reset_task);
7507
7508 rc = bnx2x_get_hwinfo(bp);
7509
7510 /* need to reset chip if undi was active */
7511 if (!BP_NOMCP(bp))
7512 bnx2x_undi_unload(bp);
7513
7514 if (CHIP_REV_IS_FPGA(bp))
7515 printk(KERN_ERR PFX "FPGA detected\n");
7516
7517 if (BP_NOMCP(bp) && (func == 0))
7518 printk(KERN_ERR PFX
7519 "MCP disabled, must load devices in order!\n");
7520
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07007521 /* Set TPA flags */
7522 if (disable_tpa) {
7523 bp->flags &= ~TPA_ENABLE_FLAG;
7524 bp->dev->features &= ~NETIF_F_LRO;
7525 } else {
7526 bp->flags |= TPA_ENABLE_FLAG;
7527 bp->dev->features |= NETIF_F_LRO;
7528 }
7529
7530
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007531 bp->tx_ring_size = MAX_TX_AVAIL;
7532 bp->rx_ring_size = MAX_RX_AVAIL;
7533
7534 bp->rx_csum = 1;
7535 bp->rx_offset = 0;
7536
7537 bp->tx_ticks = 50;
7538 bp->rx_ticks = 25;
7539
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007540 bp->timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
7541 bp->current_interval = (poll ? poll : bp->timer_interval);
7542
7543 init_timer(&bp->timer);
7544 bp->timer.expires = jiffies + bp->current_interval;
7545 bp->timer.data = (unsigned long) bp;
7546 bp->timer.function = bnx2x_timer;
7547
7548 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007549}
7550
7551/*
7552 * ethtool service functions
7553 */
7554
7555/* All ethtool functions called with rtnl_lock */
7556
7557static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7558{
7559 struct bnx2x *bp = netdev_priv(dev);
7560
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007561 cmd->supported = bp->port.supported;
7562 cmd->advertising = bp->port.advertising;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007563
7564 if (netif_carrier_ok(dev)) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007565 cmd->speed = bp->link_vars.line_speed;
7566 cmd->duplex = bp->link_vars.duplex;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007567 } else {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007568 cmd->speed = bp->link_params.req_line_speed;
7569 cmd->duplex = bp->link_params.req_duplex;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007570 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007571 if (IS_E1HMF(bp)) {
7572 u16 vn_max_rate;
7573
7574 vn_max_rate = ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >>
7575 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
7576 if (vn_max_rate < cmd->speed)
7577 cmd->speed = vn_max_rate;
7578 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007579
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007580 if (bp->link_params.switch_cfg == SWITCH_CFG_10G) {
7581 u32 ext_phy_type =
7582 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007583
7584 switch (ext_phy_type) {
7585 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7586 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7587 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7588 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007589 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007590 cmd->port = PORT_FIBRE;
7591 break;
7592
7593 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7594 cmd->port = PORT_TP;
7595 break;
7596
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007597 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7598 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7599 bp->link_params.ext_phy_config);
7600 break;
7601
Eliezer Tamirf1410642008-02-28 11:51:50 -08007602 default:
7603 DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007604 bp->link_params.ext_phy_config);
7605 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007606 }
7607 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007608 cmd->port = PORT_TP;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007609
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007610 cmd->phy_address = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007611 cmd->transceiver = XCVR_INTERNAL;
7612
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007613 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007614 cmd->autoneg = AUTONEG_ENABLE;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007615 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007616 cmd->autoneg = AUTONEG_DISABLE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007617
7618 cmd->maxtxpkt = 0;
7619 cmd->maxrxpkt = 0;
7620
7621 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7622 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7623 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7624 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7625 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7626 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7627 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7628
7629 return 0;
7630}
7631
7632static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7633{
7634 struct bnx2x *bp = netdev_priv(dev);
7635 u32 advertising;
7636
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007637 if (IS_E1HMF(bp))
7638 return 0;
7639
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007640 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7641 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7642 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7643 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7644 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7645 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7646 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7647
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007648 if (cmd->autoneg == AUTONEG_ENABLE) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007649 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
7650 DP(NETIF_MSG_LINK, "Autoneg not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007651 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007652 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007653
7654 /* advertise the requested speed and duplex if supported */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007655 cmd->advertising &= bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007656
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007657 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7658 bp->link_params.req_duplex = DUPLEX_FULL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007659 bp->port.advertising |= (ADVERTISED_Autoneg |
7660 cmd->advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007661
7662 } else { /* forced speed */
7663 /* advertise the requested speed and duplex if supported */
7664 switch (cmd->speed) {
7665 case SPEED_10:
7666 if (cmd->duplex == DUPLEX_FULL) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007667 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007668 SUPPORTED_10baseT_Full)) {
7669 DP(NETIF_MSG_LINK,
7670 "10M full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007671 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007672 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007673
7674 advertising = (ADVERTISED_10baseT_Full |
7675 ADVERTISED_TP);
7676 } else {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007677 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007678 SUPPORTED_10baseT_Half)) {
7679 DP(NETIF_MSG_LINK,
7680 "10M half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007681 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007682 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007683
7684 advertising = (ADVERTISED_10baseT_Half |
7685 ADVERTISED_TP);
7686 }
7687 break;
7688
7689 case SPEED_100:
7690 if (cmd->duplex == DUPLEX_FULL) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007691 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007692 SUPPORTED_100baseT_Full)) {
7693 DP(NETIF_MSG_LINK,
7694 "100M full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007695 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007696 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007697
7698 advertising = (ADVERTISED_100baseT_Full |
7699 ADVERTISED_TP);
7700 } else {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007701 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007702 SUPPORTED_100baseT_Half)) {
7703 DP(NETIF_MSG_LINK,
7704 "100M half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007705 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007706 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007707
7708 advertising = (ADVERTISED_100baseT_Half |
7709 ADVERTISED_TP);
7710 }
7711 break;
7712
7713 case SPEED_1000:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007714 if (cmd->duplex != DUPLEX_FULL) {
7715 DP(NETIF_MSG_LINK, "1G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007716 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007717 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007718
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007719 if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007720 DP(NETIF_MSG_LINK, "1G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007721 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007722 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007723
7724 advertising = (ADVERTISED_1000baseT_Full |
7725 ADVERTISED_TP);
7726 break;
7727
7728 case SPEED_2500:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007729 if (cmd->duplex != DUPLEX_FULL) {
7730 DP(NETIF_MSG_LINK,
7731 "2.5G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007732 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007733 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007734
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007735 if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007736 DP(NETIF_MSG_LINK,
7737 "2.5G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007738 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007739 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007740
Eliezer Tamirf1410642008-02-28 11:51:50 -08007741 advertising = (ADVERTISED_2500baseX_Full |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007742 ADVERTISED_TP);
7743 break;
7744
7745 case SPEED_10000:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007746 if (cmd->duplex != DUPLEX_FULL) {
7747 DP(NETIF_MSG_LINK, "10G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007748 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007749 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007750
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007751 if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007752 DP(NETIF_MSG_LINK, "10G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007753 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007754 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007755
7756 advertising = (ADVERTISED_10000baseT_Full |
7757 ADVERTISED_FIBRE);
7758 break;
7759
7760 default:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007761 DP(NETIF_MSG_LINK, "Unsupported speed\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007762 return -EINVAL;
7763 }
7764
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007765 bp->link_params.req_line_speed = cmd->speed;
7766 bp->link_params.req_duplex = cmd->duplex;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007767 bp->port.advertising = advertising;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007768 }
7769
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007770 DP(NETIF_MSG_LINK, "req_line_speed %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007771 DP_LEVEL " req_duplex %d advertising 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007772 bp->link_params.req_line_speed, bp->link_params.req_duplex,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007773 bp->port.advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007774
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007775 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07007776 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007777 bnx2x_link_set(bp);
7778 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007779
7780 return 0;
7781}
7782
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007783#define PHY_FW_VER_LEN 10
7784
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007785static void bnx2x_get_drvinfo(struct net_device *dev,
7786 struct ethtool_drvinfo *info)
7787{
7788 struct bnx2x *bp = netdev_priv(dev);
Eilon Greensteinf0e53a82008-08-13 15:58:30 -07007789 u8 phy_fw_ver[PHY_FW_VER_LEN];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007790
7791 strcpy(info->driver, DRV_MODULE_NAME);
7792 strcpy(info->version, DRV_MODULE_VERSION);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007793
7794 phy_fw_ver[0] = '\0';
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007795 if (bp->port.pmf) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007796 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007797 bnx2x_get_ext_phy_fw_version(&bp->link_params,
7798 (bp->state != BNX2X_STATE_CLOSED),
7799 phy_fw_ver, PHY_FW_VER_LEN);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007800 bnx2x_release_phy_lock(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007801 }
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007802
Eilon Greensteinf0e53a82008-08-13 15:58:30 -07007803 snprintf(info->fw_version, 32, "BC:%d.%d.%d%s%s",
7804 (bp->common.bc_ver & 0xff0000) >> 16,
7805 (bp->common.bc_ver & 0xff00) >> 8,
7806 (bp->common.bc_ver & 0xff),
7807 ((phy_fw_ver[0] != '\0') ? " PHY:" : ""), phy_fw_ver);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007808 strcpy(info->bus_info, pci_name(bp->pdev));
7809 info->n_stats = BNX2X_NUM_STATS;
7810 info->testinfo_len = BNX2X_NUM_TESTS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007811 info->eedump_len = bp->common.flash_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007812 info->regdump_len = 0;
7813}
7814
7815static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7816{
7817 struct bnx2x *bp = netdev_priv(dev);
7818
7819 if (bp->flags & NO_WOL_FLAG) {
7820 wol->supported = 0;
7821 wol->wolopts = 0;
7822 } else {
7823 wol->supported = WAKE_MAGIC;
7824 if (bp->wol)
7825 wol->wolopts = WAKE_MAGIC;
7826 else
7827 wol->wolopts = 0;
7828 }
7829 memset(&wol->sopass, 0, sizeof(wol->sopass));
7830}
7831
7832static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7833{
7834 struct bnx2x *bp = netdev_priv(dev);
7835
7836 if (wol->wolopts & ~WAKE_MAGIC)
7837 return -EINVAL;
7838
7839 if (wol->wolopts & WAKE_MAGIC) {
7840 if (bp->flags & NO_WOL_FLAG)
7841 return -EINVAL;
7842
7843 bp->wol = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007844 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007845 bp->wol = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007846
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007847 return 0;
7848}
7849
7850static u32 bnx2x_get_msglevel(struct net_device *dev)
7851{
7852 struct bnx2x *bp = netdev_priv(dev);
7853
7854 return bp->msglevel;
7855}
7856
7857static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
7858{
7859 struct bnx2x *bp = netdev_priv(dev);
7860
7861 if (capable(CAP_NET_ADMIN))
7862 bp->msglevel = level;
7863}
7864
7865static int bnx2x_nway_reset(struct net_device *dev)
7866{
7867 struct bnx2x *bp = netdev_priv(dev);
7868
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007869 if (!bp->port.pmf)
7870 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007871
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007872 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07007873 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007874 bnx2x_link_set(bp);
7875 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007876
7877 return 0;
7878}
7879
7880static int bnx2x_get_eeprom_len(struct net_device *dev)
7881{
7882 struct bnx2x *bp = netdev_priv(dev);
7883
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007884 return bp->common.flash_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007885}
7886
7887static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
7888{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007889 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007890 int count, i;
7891 u32 val = 0;
7892
7893 /* adjust timeout for emulation/FPGA */
7894 count = NVRAM_TIMEOUT_COUNT;
7895 if (CHIP_REV_IS_SLOW(bp))
7896 count *= 100;
7897
7898 /* request access to nvram interface */
7899 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7900 (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
7901
7902 for (i = 0; i < count*10; i++) {
7903 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7904 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
7905 break;
7906
7907 udelay(5);
7908 }
7909
7910 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007911 DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007912 return -EBUSY;
7913 }
7914
7915 return 0;
7916}
7917
7918static int bnx2x_release_nvram_lock(struct bnx2x *bp)
7919{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007920 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007921 int count, i;
7922 u32 val = 0;
7923
7924 /* adjust timeout for emulation/FPGA */
7925 count = NVRAM_TIMEOUT_COUNT;
7926 if (CHIP_REV_IS_SLOW(bp))
7927 count *= 100;
7928
7929 /* relinquish nvram interface */
7930 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7931 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
7932
7933 for (i = 0; i < count*10; i++) {
7934 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7935 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
7936 break;
7937
7938 udelay(5);
7939 }
7940
7941 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007942 DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007943 return -EBUSY;
7944 }
7945
7946 return 0;
7947}
7948
7949static void bnx2x_enable_nvram_access(struct bnx2x *bp)
7950{
7951 u32 val;
7952
7953 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7954
7955 /* enable both bits, even on read */
7956 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7957 (val | MCPR_NVM_ACCESS_ENABLE_EN |
7958 MCPR_NVM_ACCESS_ENABLE_WR_EN));
7959}
7960
7961static void bnx2x_disable_nvram_access(struct bnx2x *bp)
7962{
7963 u32 val;
7964
7965 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7966
7967 /* disable both bits, even after read */
7968 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7969 (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
7970 MCPR_NVM_ACCESS_ENABLE_WR_EN)));
7971}
7972
7973static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val,
7974 u32 cmd_flags)
7975{
Eliezer Tamirf1410642008-02-28 11:51:50 -08007976 int count, i, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007977 u32 val;
7978
7979 /* build the command word */
7980 cmd_flags |= MCPR_NVM_COMMAND_DOIT;
7981
7982 /* need to clear DONE bit separately */
7983 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
7984
7985 /* address of the NVRAM to read from */
7986 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
7987 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
7988
7989 /* issue a read command */
7990 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
7991
7992 /* adjust timeout for emulation/FPGA */
7993 count = NVRAM_TIMEOUT_COUNT;
7994 if (CHIP_REV_IS_SLOW(bp))
7995 count *= 100;
7996
7997 /* wait for completion */
7998 *ret_val = 0;
7999 rc = -EBUSY;
8000 for (i = 0; i < count; i++) {
8001 udelay(5);
8002 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8003
8004 if (val & MCPR_NVM_COMMAND_DONE) {
8005 val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008006 /* we read nvram data in cpu order
8007 * but ethtool sees it as an array of bytes
8008 * converting to big-endian will do the work */
8009 val = cpu_to_be32(val);
8010 *ret_val = val;
8011 rc = 0;
8012 break;
8013 }
8014 }
8015
8016 return rc;
8017}
8018
8019static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
8020 int buf_size)
8021{
8022 int rc;
8023 u32 cmd_flags;
8024 u32 val;
8025
8026 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008027 DP(BNX2X_MSG_NVM,
Eliezer Tamirc14423f2008-02-28 11:49:42 -08008028 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008029 offset, buf_size);
8030 return -EINVAL;
8031 }
8032
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008033 if (offset + buf_size > bp->common.flash_size) {
8034 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008035 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008036 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008037 return -EINVAL;
8038 }
8039
8040 /* request access to nvram interface */
8041 rc = bnx2x_acquire_nvram_lock(bp);
8042 if (rc)
8043 return rc;
8044
8045 /* enable access to nvram interface */
8046 bnx2x_enable_nvram_access(bp);
8047
8048 /* read the first word(s) */
8049 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8050 while ((buf_size > sizeof(u32)) && (rc == 0)) {
8051 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8052 memcpy(ret_buf, &val, 4);
8053
8054 /* advance to the next dword */
8055 offset += sizeof(u32);
8056 ret_buf += sizeof(u32);
8057 buf_size -= sizeof(u32);
8058 cmd_flags = 0;
8059 }
8060
8061 if (rc == 0) {
8062 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8063 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8064 memcpy(ret_buf, &val, 4);
8065 }
8066
8067 /* disable access to nvram interface */
8068 bnx2x_disable_nvram_access(bp);
8069 bnx2x_release_nvram_lock(bp);
8070
8071 return rc;
8072}
8073
8074static int bnx2x_get_eeprom(struct net_device *dev,
8075 struct ethtool_eeprom *eeprom, u8 *eebuf)
8076{
8077 struct bnx2x *bp = netdev_priv(dev);
8078 int rc;
8079
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008080 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008081 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8082 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8083 eeprom->len, eeprom->len);
8084
8085 /* parameters already validated in ethtool_get_eeprom */
8086
8087 rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
8088
8089 return rc;
8090}
8091
8092static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
8093 u32 cmd_flags)
8094{
Eliezer Tamirf1410642008-02-28 11:51:50 -08008095 int count, i, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008096
8097 /* build the command word */
8098 cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
8099
8100 /* need to clear DONE bit separately */
8101 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
8102
8103 /* write the data */
8104 REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
8105
8106 /* address of the NVRAM to write to */
8107 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
8108 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
8109
8110 /* issue the write command */
8111 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
8112
8113 /* adjust timeout for emulation/FPGA */
8114 count = NVRAM_TIMEOUT_COUNT;
8115 if (CHIP_REV_IS_SLOW(bp))
8116 count *= 100;
8117
8118 /* wait for completion */
8119 rc = -EBUSY;
8120 for (i = 0; i < count; i++) {
8121 udelay(5);
8122 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8123 if (val & MCPR_NVM_COMMAND_DONE) {
8124 rc = 0;
8125 break;
8126 }
8127 }
8128
8129 return rc;
8130}
8131
Eliezer Tamirf1410642008-02-28 11:51:50 -08008132#define BYTE_OFFSET(offset) (8 * (offset & 0x03))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008133
8134static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
8135 int buf_size)
8136{
8137 int rc;
8138 u32 cmd_flags;
8139 u32 align_offset;
8140 u32 val;
8141
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008142 if (offset + buf_size > bp->common.flash_size) {
8143 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008144 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008145 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008146 return -EINVAL;
8147 }
8148
8149 /* request access to nvram interface */
8150 rc = bnx2x_acquire_nvram_lock(bp);
8151 if (rc)
8152 return rc;
8153
8154 /* enable access to nvram interface */
8155 bnx2x_enable_nvram_access(bp);
8156
8157 cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
8158 align_offset = (offset & ~0x03);
8159 rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
8160
8161 if (rc == 0) {
8162 val &= ~(0xff << BYTE_OFFSET(offset));
8163 val |= (*data_buf << BYTE_OFFSET(offset));
8164
8165 /* nvram data is returned as an array of bytes
8166 * convert it back to cpu order */
8167 val = be32_to_cpu(val);
8168
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008169 rc = bnx2x_nvram_write_dword(bp, align_offset, val,
8170 cmd_flags);
8171 }
8172
8173 /* disable access to nvram interface */
8174 bnx2x_disable_nvram_access(bp);
8175 bnx2x_release_nvram_lock(bp);
8176
8177 return rc;
8178}
8179
8180static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
8181 int buf_size)
8182{
8183 int rc;
8184 u32 cmd_flags;
8185 u32 val;
8186 u32 written_so_far;
8187
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008188 if (buf_size == 1) /* ethtool */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008189 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008190
8191 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008192 DP(BNX2X_MSG_NVM,
Eliezer Tamirc14423f2008-02-28 11:49:42 -08008193 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008194 offset, buf_size);
8195 return -EINVAL;
8196 }
8197
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008198 if (offset + buf_size > bp->common.flash_size) {
8199 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008200 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008201 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008202 return -EINVAL;
8203 }
8204
8205 /* request access to nvram interface */
8206 rc = bnx2x_acquire_nvram_lock(bp);
8207 if (rc)
8208 return rc;
8209
8210 /* enable access to nvram interface */
8211 bnx2x_enable_nvram_access(bp);
8212
8213 written_so_far = 0;
8214 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8215 while ((written_so_far < buf_size) && (rc == 0)) {
8216 if (written_so_far == (buf_size - sizeof(u32)))
8217 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8218 else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0)
8219 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8220 else if ((offset % NVRAM_PAGE_SIZE) == 0)
8221 cmd_flags |= MCPR_NVM_COMMAND_FIRST;
8222
8223 memcpy(&val, data_buf, 4);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008224
8225 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
8226
8227 /* advance to the next dword */
8228 offset += sizeof(u32);
8229 data_buf += sizeof(u32);
8230 written_so_far += sizeof(u32);
8231 cmd_flags = 0;
8232 }
8233
8234 /* disable access to nvram interface */
8235 bnx2x_disable_nvram_access(bp);
8236 bnx2x_release_nvram_lock(bp);
8237
8238 return rc;
8239}
8240
8241static int bnx2x_set_eeprom(struct net_device *dev,
8242 struct ethtool_eeprom *eeprom, u8 *eebuf)
8243{
8244 struct bnx2x *bp = netdev_priv(dev);
8245 int rc;
8246
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008247 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008248 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8249 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8250 eeprom->len, eeprom->len);
8251
8252 /* parameters already validated in ethtool_set_eeprom */
8253
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008254 /* If the magic number is PHY (0x00504859) upgrade the PHY FW */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008255 if (eeprom->magic == 0x00504859)
8256 if (bp->port.pmf) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008257
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008258 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008259 rc = bnx2x_flash_download(bp, BP_PORT(bp),
8260 bp->link_params.ext_phy_config,
8261 (bp->state != BNX2X_STATE_CLOSED),
8262 eebuf, eeprom->len);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008263 if ((bp->state == BNX2X_STATE_OPEN) ||
8264 (bp->state == BNX2X_STATE_DISABLED)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008265 rc |= bnx2x_link_reset(&bp->link_params,
8266 &bp->link_vars);
8267 rc |= bnx2x_phy_init(&bp->link_params,
8268 &bp->link_vars);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008269 }
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008270 bnx2x_release_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008271
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008272 } else /* Only the PMF can access the PHY */
8273 return -EINVAL;
8274 else
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008275 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008276
8277 return rc;
8278}
8279
8280static int bnx2x_get_coalesce(struct net_device *dev,
8281 struct ethtool_coalesce *coal)
8282{
8283 struct bnx2x *bp = netdev_priv(dev);
8284
8285 memset(coal, 0, sizeof(struct ethtool_coalesce));
8286
8287 coal->rx_coalesce_usecs = bp->rx_ticks;
8288 coal->tx_coalesce_usecs = bp->tx_ticks;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008289
8290 return 0;
8291}
8292
8293static int bnx2x_set_coalesce(struct net_device *dev,
8294 struct ethtool_coalesce *coal)
8295{
8296 struct bnx2x *bp = netdev_priv(dev);
8297
8298 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
8299 if (bp->rx_ticks > 3000)
8300 bp->rx_ticks = 3000;
8301
8302 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
8303 if (bp->tx_ticks > 0x3000)
8304 bp->tx_ticks = 0x3000;
8305
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008306 if (netif_running(dev))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008307 bnx2x_update_coalesce(bp);
8308
8309 return 0;
8310}
8311
8312static void bnx2x_get_ringparam(struct net_device *dev,
8313 struct ethtool_ringparam *ering)
8314{
8315 struct bnx2x *bp = netdev_priv(dev);
8316
8317 ering->rx_max_pending = MAX_RX_AVAIL;
8318 ering->rx_mini_max_pending = 0;
8319 ering->rx_jumbo_max_pending = 0;
8320
8321 ering->rx_pending = bp->rx_ring_size;
8322 ering->rx_mini_pending = 0;
8323 ering->rx_jumbo_pending = 0;
8324
8325 ering->tx_max_pending = MAX_TX_AVAIL;
8326 ering->tx_pending = bp->tx_ring_size;
8327}
8328
8329static int bnx2x_set_ringparam(struct net_device *dev,
8330 struct ethtool_ringparam *ering)
8331{
8332 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008333 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008334
8335 if ((ering->rx_pending > MAX_RX_AVAIL) ||
8336 (ering->tx_pending > MAX_TX_AVAIL) ||
8337 (ering->tx_pending <= MAX_SKB_FRAGS + 4))
8338 return -EINVAL;
8339
8340 bp->rx_ring_size = ering->rx_pending;
8341 bp->tx_ring_size = ering->tx_pending;
8342
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008343 if (netif_running(dev)) {
8344 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8345 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008346 }
8347
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008348 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008349}
8350
8351static void bnx2x_get_pauseparam(struct net_device *dev,
8352 struct ethtool_pauseparam *epause)
8353{
8354 struct bnx2x *bp = netdev_priv(dev);
8355
David S. Millerc0700f92008-12-16 23:53:20 -08008356 epause->autoneg = (bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) &&
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008357 (bp->link_params.req_line_speed == SPEED_AUTO_NEG);
8358
David S. Millerc0700f92008-12-16 23:53:20 -08008359 epause->rx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_RX) ==
8360 BNX2X_FLOW_CTRL_RX);
8361 epause->tx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX) ==
8362 BNX2X_FLOW_CTRL_TX);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008363
8364 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8365 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8366 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8367}
8368
8369static int bnx2x_set_pauseparam(struct net_device *dev,
8370 struct ethtool_pauseparam *epause)
8371{
8372 struct bnx2x *bp = netdev_priv(dev);
8373
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008374 if (IS_E1HMF(bp))
8375 return 0;
8376
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008377 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8378 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8379 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8380
David S. Millerc0700f92008-12-16 23:53:20 -08008381 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008382
8383 if (epause->rx_pause)
David S. Millerc0700f92008-12-16 23:53:20 -08008384 bp->link_params.req_flow_ctrl |= BNX2X_FLOW_CTRL_RX;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008385
8386 if (epause->tx_pause)
David S. Millerc0700f92008-12-16 23:53:20 -08008387 bp->link_params.req_flow_ctrl |= BNX2X_FLOW_CTRL_TX;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008388
David S. Millerc0700f92008-12-16 23:53:20 -08008389 if (bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO)
8390 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008391
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008392 if (epause->autoneg) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008393 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07008394 DP(NETIF_MSG_LINK, "autoneg not supported\n");
Eliezer Tamirf1410642008-02-28 11:51:50 -08008395 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008396 }
8397
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008398 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
David S. Millerc0700f92008-12-16 23:53:20 -08008399 bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008400 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008401
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008402 DP(NETIF_MSG_LINK,
8403 "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008404
8405 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008406 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008407 bnx2x_link_set(bp);
8408 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008409
8410 return 0;
8411}
8412
Vladislav Zolotarovdf0f2342008-08-13 15:53:38 -07008413static int bnx2x_set_flags(struct net_device *dev, u32 data)
8414{
8415 struct bnx2x *bp = netdev_priv(dev);
8416 int changed = 0;
8417 int rc = 0;
8418
8419 /* TPA requires Rx CSUM offloading */
8420 if ((data & ETH_FLAG_LRO) && bp->rx_csum) {
8421 if (!(dev->features & NETIF_F_LRO)) {
8422 dev->features |= NETIF_F_LRO;
8423 bp->flags |= TPA_ENABLE_FLAG;
8424 changed = 1;
8425 }
8426
8427 } else if (dev->features & NETIF_F_LRO) {
8428 dev->features &= ~NETIF_F_LRO;
8429 bp->flags &= ~TPA_ENABLE_FLAG;
8430 changed = 1;
8431 }
8432
8433 if (changed && netif_running(dev)) {
8434 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8435 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
8436 }
8437
8438 return rc;
8439}
8440
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008441static u32 bnx2x_get_rx_csum(struct net_device *dev)
8442{
8443 struct bnx2x *bp = netdev_priv(dev);
8444
8445 return bp->rx_csum;
8446}
8447
8448static int bnx2x_set_rx_csum(struct net_device *dev, u32 data)
8449{
8450 struct bnx2x *bp = netdev_priv(dev);
Vladislav Zolotarovdf0f2342008-08-13 15:53:38 -07008451 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008452
8453 bp->rx_csum = data;
Vladislav Zolotarovdf0f2342008-08-13 15:53:38 -07008454
8455 /* Disable TPA, when Rx CSUM is disabled. Otherwise all
8456 TPA'ed packets will be discarded due to wrong TCP CSUM */
8457 if (!data) {
8458 u32 flags = ethtool_op_get_flags(dev);
8459
8460 rc = bnx2x_set_flags(dev, (flags & ~ETH_FLAG_LRO));
8461 }
8462
8463 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008464}
8465
8466static int bnx2x_set_tso(struct net_device *dev, u32 data)
8467{
Eilon Greenstein755735eb2008-06-23 20:35:13 -07008468 if (data) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008469 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07008470 dev->features |= NETIF_F_TSO6;
8471 } else {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008472 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07008473 dev->features &= ~NETIF_F_TSO6;
8474 }
8475
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008476 return 0;
8477}
8478
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008479static const struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008480 char string[ETH_GSTRING_LEN];
8481} bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008482 { "register_test (offline)" },
8483 { "memory_test (offline)" },
8484 { "loopback_test (offline)" },
8485 { "nvram_test (online)" },
8486 { "interrupt_test (online)" },
8487 { "link_test (online)" },
8488 { "idle check (online)" },
8489 { "MC errors (online)" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008490};
8491
8492static int bnx2x_self_test_count(struct net_device *dev)
8493{
8494 return BNX2X_NUM_TESTS;
8495}
8496
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008497static int bnx2x_test_registers(struct bnx2x *bp)
8498{
8499 int idx, i, rc = -ENODEV;
8500 u32 wr_val = 0;
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008501 int port = BP_PORT(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008502 static const struct {
8503 u32 offset0;
8504 u32 offset1;
8505 u32 mask;
8506 } reg_tbl[] = {
8507/* 0 */ { BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff },
8508 { DORQ_REG_DB_ADDR0, 4, 0xffffffff },
8509 { HC_REG_AGG_INT_0, 4, 0x000003ff },
8510 { PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 },
8511 { PBF_REG_P0_INIT_CRD, 4, 0x000007ff },
8512 { PRS_REG_CID_PORT_0, 4, 0x00ffffff },
8513 { PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff },
8514 { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8515 { PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff },
8516 { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8517/* 10 */ { PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff },
8518 { QM_REG_CONNNUM_0, 4, 0x000fffff },
8519 { TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff },
8520 { SRC_REG_KEYRSS0_0, 40, 0xffffffff },
8521 { SRC_REG_KEYRSS0_7, 40, 0xffffffff },
8522 { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
8523 { XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 },
8524 { XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff },
8525 { NIG_REG_EGRESS_MNG0_FIFO, 20, 0xffffffff },
8526 { NIG_REG_LLH0_T_BIT, 4, 0x00000001 },
8527/* 20 */ { NIG_REG_EMAC0_IN_EN, 4, 0x00000001 },
8528 { NIG_REG_BMAC0_IN_EN, 4, 0x00000001 },
8529 { NIG_REG_XCM0_OUT_EN, 4, 0x00000001 },
8530 { NIG_REG_BRB0_OUT_EN, 4, 0x00000001 },
8531 { NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 },
8532 { NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff },
8533 { NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff },
8534 { NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff },
8535 { NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff },
8536 { NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 },
8537/* 30 */ { NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff },
8538 { NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff },
8539 { NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff },
8540 { NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 },
8541 { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 },
8542 { NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff },
8543 { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
8544 { NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f },
8545
8546 { 0xffffffff, 0, 0x00000000 }
8547 };
8548
8549 if (!netif_running(bp->dev))
8550 return rc;
8551
8552 /* Repeat the test twice:
8553 First by writing 0x00000000, second by writing 0xffffffff */
8554 for (idx = 0; idx < 2; idx++) {
8555
8556 switch (idx) {
8557 case 0:
8558 wr_val = 0;
8559 break;
8560 case 1:
8561 wr_val = 0xffffffff;
8562 break;
8563 }
8564
8565 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
8566 u32 offset, mask, save_val, val;
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008567
8568 offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
8569 mask = reg_tbl[i].mask;
8570
8571 save_val = REG_RD(bp, offset);
8572
8573 REG_WR(bp, offset, wr_val);
8574 val = REG_RD(bp, offset);
8575
8576 /* Restore the original register's value */
8577 REG_WR(bp, offset, save_val);
8578
8579 /* verify that value is as expected value */
8580 if ((val & mask) != (wr_val & mask))
8581 goto test_reg_exit;
8582 }
8583 }
8584
8585 rc = 0;
8586
8587test_reg_exit:
8588 return rc;
8589}
8590
8591static int bnx2x_test_memory(struct bnx2x *bp)
8592{
8593 int i, j, rc = -ENODEV;
8594 u32 val;
8595 static const struct {
8596 u32 offset;
8597 int size;
8598 } mem_tbl[] = {
8599 { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE },
8600 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
8601 { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE },
8602 { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE },
8603 { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE },
8604 { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE },
8605 { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE },
8606
8607 { 0xffffffff, 0 }
8608 };
8609 static const struct {
8610 char *name;
8611 u32 offset;
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008612 u32 e1_mask;
8613 u32 e1h_mask;
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008614 } prty_tbl[] = {
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008615 { "CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS, 0x3ffc0, 0 },
8616 { "CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS, 0x2, 0x2 },
8617 { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0, 0 },
8618 { "TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS, 0x3ffc0, 0 },
8619 { "UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS, 0x3ffc0, 0 },
8620 { "XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS, 0x3ffc1, 0 },
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008621
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008622 { NULL, 0xffffffff, 0, 0 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008623 };
8624
8625 if (!netif_running(bp->dev))
8626 return rc;
8627
8628 /* Go through all the memories */
8629 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
8630 for (j = 0; j < mem_tbl[i].size; j++)
8631 REG_RD(bp, mem_tbl[i].offset + j*4);
8632
8633 /* Check the parity status */
8634 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
8635 val = REG_RD(bp, prty_tbl[i].offset);
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008636 if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) ||
8637 (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask)))) {
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008638 DP(NETIF_MSG_HW,
8639 "%s is 0x%x\n", prty_tbl[i].name, val);
8640 goto test_mem_exit;
8641 }
8642 }
8643
8644 rc = 0;
8645
8646test_mem_exit:
8647 return rc;
8648}
8649
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008650static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up)
8651{
8652 int cnt = 1000;
8653
8654 if (link_up)
8655 while (bnx2x_link_test(bp) && cnt--)
8656 msleep(10);
8657}
8658
8659static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
8660{
8661 unsigned int pkt_size, num_pkts, i;
8662 struct sk_buff *skb;
8663 unsigned char *packet;
8664 struct bnx2x_fastpath *fp = &bp->fp[0];
8665 u16 tx_start_idx, tx_idx;
8666 u16 rx_start_idx, rx_idx;
8667 u16 pkt_prod;
8668 struct sw_tx_bd *tx_buf;
8669 struct eth_tx_bd *tx_bd;
8670 dma_addr_t mapping;
8671 union eth_rx_cqe *cqe;
8672 u8 cqe_fp_flags;
8673 struct sw_rx_bd *rx_buf;
8674 u16 len;
8675 int rc = -ENODEV;
8676
8677 if (loopback_mode == BNX2X_MAC_LOOPBACK) {
8678 bp->link_params.loopback_mode = LOOPBACK_BMAC;
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008679 bnx2x_acquire_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008680 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008681 bnx2x_release_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008682
8683 } else if (loopback_mode == BNX2X_PHY_LOOPBACK) {
8684 bp->link_params.loopback_mode = LOOPBACK_XGXS_10;
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008685 bnx2x_acquire_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008686 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008687 bnx2x_release_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008688 /* wait until link state is restored */
8689 bnx2x_wait_for_link(bp, link_up);
8690
8691 } else
8692 return -EINVAL;
8693
8694 pkt_size = 1514;
8695 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
8696 if (!skb) {
8697 rc = -ENOMEM;
8698 goto test_loopback_exit;
8699 }
8700 packet = skb_put(skb, pkt_size);
8701 memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
8702 memset(packet + ETH_ALEN, 0, (ETH_HLEN - ETH_ALEN));
8703 for (i = ETH_HLEN; i < pkt_size; i++)
8704 packet[i] = (unsigned char) (i & 0xff);
8705
8706 num_pkts = 0;
8707 tx_start_idx = le16_to_cpu(*fp->tx_cons_sb);
8708 rx_start_idx = le16_to_cpu(*fp->rx_cons_sb);
8709
8710 pkt_prod = fp->tx_pkt_prod++;
8711 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
8712 tx_buf->first_bd = fp->tx_bd_prod;
8713 tx_buf->skb = skb;
8714
8715 tx_bd = &fp->tx_desc_ring[TX_BD(fp->tx_bd_prod)];
8716 mapping = pci_map_single(bp->pdev, skb->data,
8717 skb_headlen(skb), PCI_DMA_TODEVICE);
8718 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
8719 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
8720 tx_bd->nbd = cpu_to_le16(1);
8721 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
8722 tx_bd->vlan = cpu_to_le16(pkt_prod);
8723 tx_bd->bd_flags.as_bitfield = (ETH_TX_BD_FLAGS_START_BD |
8724 ETH_TX_BD_FLAGS_END_BD);
8725 tx_bd->general_data = ((UNICAST_ADDRESS <<
8726 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT) | 1);
8727
8728 fp->hw_tx_prods->bds_prod =
8729 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + 1);
8730 mb(); /* FW restriction: must not reorder writing nbd and packets */
8731 fp->hw_tx_prods->packets_prod =
8732 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
8733 DOORBELL(bp, FP_IDX(fp), 0);
8734
8735 mmiowb();
8736
8737 num_pkts++;
8738 fp->tx_bd_prod++;
8739 bp->dev->trans_start = jiffies;
8740
8741 udelay(100);
8742
8743 tx_idx = le16_to_cpu(*fp->tx_cons_sb);
8744 if (tx_idx != tx_start_idx + num_pkts)
8745 goto test_loopback_exit;
8746
8747 rx_idx = le16_to_cpu(*fp->rx_cons_sb);
8748 if (rx_idx != rx_start_idx + num_pkts)
8749 goto test_loopback_exit;
8750
8751 cqe = &fp->rx_comp_ring[RCQ_BD(fp->rx_comp_cons)];
8752 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
8753 if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
8754 goto test_loopback_rx_exit;
8755
8756 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
8757 if (len != pkt_size)
8758 goto test_loopback_rx_exit;
8759
8760 rx_buf = &fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)];
8761 skb = rx_buf->skb;
8762 skb_reserve(skb, cqe->fast_path_cqe.placement_offset);
8763 for (i = ETH_HLEN; i < pkt_size; i++)
8764 if (*(skb->data + i) != (unsigned char) (i & 0xff))
8765 goto test_loopback_rx_exit;
8766
8767 rc = 0;
8768
8769test_loopback_rx_exit:
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008770
8771 fp->rx_bd_cons = NEXT_RX_IDX(fp->rx_bd_cons);
8772 fp->rx_bd_prod = NEXT_RX_IDX(fp->rx_bd_prod);
8773 fp->rx_comp_cons = NEXT_RCQ_IDX(fp->rx_comp_cons);
8774 fp->rx_comp_prod = NEXT_RCQ_IDX(fp->rx_comp_prod);
8775
8776 /* Update producers */
8777 bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod,
8778 fp->rx_sge_prod);
8779 mmiowb(); /* keep prod updates ordered */
8780
8781test_loopback_exit:
8782 bp->link_params.loopback_mode = LOOPBACK_NONE;
8783
8784 return rc;
8785}
8786
8787static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up)
8788{
8789 int rc = 0;
8790
8791 if (!netif_running(bp->dev))
8792 return BNX2X_LOOPBACK_FAILED;
8793
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07008794 bnx2x_netif_stop(bp, 1);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008795
8796 if (bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up)) {
8797 DP(NETIF_MSG_PROBE, "MAC loopback failed\n");
8798 rc |= BNX2X_MAC_LOOPBACK_FAILED;
8799 }
8800
8801 if (bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up)) {
8802 DP(NETIF_MSG_PROBE, "PHY loopback failed\n");
8803 rc |= BNX2X_PHY_LOOPBACK_FAILED;
8804 }
8805
8806 bnx2x_netif_start(bp);
8807
8808 return rc;
8809}
8810
8811#define CRC32_RESIDUAL 0xdebb20e3
8812
8813static int bnx2x_test_nvram(struct bnx2x *bp)
8814{
8815 static const struct {
8816 int offset;
8817 int size;
8818 } nvram_tbl[] = {
8819 { 0, 0x14 }, /* bootstrap */
8820 { 0x14, 0xec }, /* dir */
8821 { 0x100, 0x350 }, /* manuf_info */
8822 { 0x450, 0xf0 }, /* feature_info */
8823 { 0x640, 0x64 }, /* upgrade_key_info */
8824 { 0x6a4, 0x64 },
8825 { 0x708, 0x70 }, /* manuf_key_info */
8826 { 0x778, 0x70 },
8827 { 0, 0 }
8828 };
8829 u32 buf[0x350 / 4];
8830 u8 *data = (u8 *)buf;
8831 int i, rc;
8832 u32 magic, csum;
8833
8834 rc = bnx2x_nvram_read(bp, 0, data, 4);
8835 if (rc) {
8836 DP(NETIF_MSG_PROBE, "magic value read (rc -%d)\n", -rc);
8837 goto test_nvram_exit;
8838 }
8839
8840 magic = be32_to_cpu(buf[0]);
8841 if (magic != 0x669955aa) {
8842 DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
8843 rc = -ENODEV;
8844 goto test_nvram_exit;
8845 }
8846
8847 for (i = 0; nvram_tbl[i].size; i++) {
8848
8849 rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
8850 nvram_tbl[i].size);
8851 if (rc) {
8852 DP(NETIF_MSG_PROBE,
8853 "nvram_tbl[%d] read data (rc -%d)\n", i, -rc);
8854 goto test_nvram_exit;
8855 }
8856
8857 csum = ether_crc_le(nvram_tbl[i].size, data);
8858 if (csum != CRC32_RESIDUAL) {
8859 DP(NETIF_MSG_PROBE,
8860 "nvram_tbl[%d] csum value (0x%08x)\n", i, csum);
8861 rc = -ENODEV;
8862 goto test_nvram_exit;
8863 }
8864 }
8865
8866test_nvram_exit:
8867 return rc;
8868}
8869
8870static int bnx2x_test_intr(struct bnx2x *bp)
8871{
8872 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
8873 int i, rc;
8874
8875 if (!netif_running(bp->dev))
8876 return -ENODEV;
8877
8878 config->hdr.length_6b = 0;
8879 config->hdr.offset = 0;
8880 config->hdr.client_id = BP_CL_ID(bp);
8881 config->hdr.reserved1 = 0;
8882
8883 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
8884 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
8885 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
8886 if (rc == 0) {
8887 bp->set_mac_pending++;
8888 for (i = 0; i < 10; i++) {
8889 if (!bp->set_mac_pending)
8890 break;
8891 msleep_interruptible(10);
8892 }
8893 if (i == 10)
8894 rc = -ENODEV;
8895 }
8896
8897 return rc;
8898}
8899
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008900static void bnx2x_self_test(struct net_device *dev,
8901 struct ethtool_test *etest, u64 *buf)
8902{
8903 struct bnx2x *bp = netdev_priv(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008904
8905 memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
8906
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008907 if (!netif_running(dev))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008908 return;
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008909
Eilon Greenstein33471622008-08-13 15:59:08 -07008910 /* offline tests are not supported in MF mode */
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008911 if (IS_E1HMF(bp))
8912 etest->flags &= ~ETH_TEST_FL_OFFLINE;
8913
8914 if (etest->flags & ETH_TEST_FL_OFFLINE) {
8915 u8 link_up;
8916
8917 link_up = bp->link_vars.link_up;
8918 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8919 bnx2x_nic_load(bp, LOAD_DIAG);
8920 /* wait until link state is restored */
8921 bnx2x_wait_for_link(bp, link_up);
8922
8923 if (bnx2x_test_registers(bp) != 0) {
8924 buf[0] = 1;
8925 etest->flags |= ETH_TEST_FL_FAILED;
8926 }
8927 if (bnx2x_test_memory(bp) != 0) {
8928 buf[1] = 1;
8929 etest->flags |= ETH_TEST_FL_FAILED;
8930 }
8931 buf[2] = bnx2x_test_loopback(bp, link_up);
8932 if (buf[2] != 0)
8933 etest->flags |= ETH_TEST_FL_FAILED;
8934
8935 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8936 bnx2x_nic_load(bp, LOAD_NORMAL);
8937 /* wait until link state is restored */
8938 bnx2x_wait_for_link(bp, link_up);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008939 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008940 if (bnx2x_test_nvram(bp) != 0) {
8941 buf[3] = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008942 etest->flags |= ETH_TEST_FL_FAILED;
8943 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008944 if (bnx2x_test_intr(bp) != 0) {
8945 buf[4] = 1;
8946 etest->flags |= ETH_TEST_FL_FAILED;
8947 }
8948 if (bp->port.pmf)
8949 if (bnx2x_link_test(bp) != 0) {
8950 buf[5] = 1;
8951 etest->flags |= ETH_TEST_FL_FAILED;
8952 }
8953 buf[7] = bnx2x_mc_assert(bp);
8954 if (buf[7] != 0)
8955 etest->flags |= ETH_TEST_FL_FAILED;
8956
8957#ifdef BNX2X_EXTRA_DEBUG
8958 bnx2x_panic_dump(bp);
8959#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008960}
8961
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008962static const struct {
8963 long offset;
8964 int size;
8965 u32 flags;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008966#define STATS_FLAGS_PORT 1
8967#define STATS_FLAGS_FUNC 2
8968 u8 string[ETH_GSTRING_LEN];
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008969} bnx2x_stats_arr[BNX2X_NUM_STATS] = {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008970/* 1 */ { STATS_OFFSET32(valid_bytes_received_hi),
8971 8, STATS_FLAGS_FUNC, "rx_bytes" },
8972 { STATS_OFFSET32(error_bytes_received_hi),
8973 8, STATS_FLAGS_FUNC, "rx_error_bytes" },
8974 { STATS_OFFSET32(total_bytes_transmitted_hi),
8975 8, STATS_FLAGS_FUNC, "tx_bytes" },
8976 { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
8977 8, STATS_FLAGS_PORT, "tx_error_bytes" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008978 { STATS_OFFSET32(total_unicast_packets_received_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008979 8, STATS_FLAGS_FUNC, "rx_ucast_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008980 { STATS_OFFSET32(total_multicast_packets_received_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008981 8, STATS_FLAGS_FUNC, "rx_mcast_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008982 { STATS_OFFSET32(total_broadcast_packets_received_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008983 8, STATS_FLAGS_FUNC, "rx_bcast_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008984 { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008985 8, STATS_FLAGS_FUNC, "tx_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008986 { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008987 8, STATS_FLAGS_PORT, "tx_mac_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008988/* 10 */{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008989 8, STATS_FLAGS_PORT, "tx_carrier_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008990 { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008991 8, STATS_FLAGS_PORT, "rx_crc_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008992 { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008993 8, STATS_FLAGS_PORT, "rx_align_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008994 { STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008995 8, STATS_FLAGS_PORT, "tx_single_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008996 { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008997 8, STATS_FLAGS_PORT, "tx_multi_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008998 { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008999 8, STATS_FLAGS_PORT, "tx_deferred" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009000 { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009001 8, STATS_FLAGS_PORT, "tx_excess_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009002 { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009003 8, STATS_FLAGS_PORT, "tx_late_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009004 { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009005 8, STATS_FLAGS_PORT, "tx_total_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009006 { STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009007 8, STATS_FLAGS_PORT, "rx_fragments" },
9008/* 20 */{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
9009 8, STATS_FLAGS_PORT, "rx_jabbers" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009010 { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009011 8, STATS_FLAGS_PORT, "rx_undersize_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009012 { STATS_OFFSET32(jabber_packets_received),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009013 4, STATS_FLAGS_FUNC, "rx_oversize_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009014 { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009015 8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009016 { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009017 8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009018 { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009019 8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009020 { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009021 8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009022 { STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009023 8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009024 { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009025 8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009026 { STATS_OFFSET32(etherstatspktsover1522octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009027 8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009028/* 30 */{ STATS_OFFSET32(rx_stat_xonpauseframesreceived_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009029 8, STATS_FLAGS_PORT, "rx_xon_frames" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009030 { STATS_OFFSET32(rx_stat_xoffpauseframesreceived_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009031 8, STATS_FLAGS_PORT, "rx_xoff_frames" },
9032 { STATS_OFFSET32(tx_stat_outxonsent_hi),
9033 8, STATS_FLAGS_PORT, "tx_xon_frames" },
9034 { STATS_OFFSET32(tx_stat_outxoffsent_hi),
9035 8, STATS_FLAGS_PORT, "tx_xoff_frames" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009036 { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009037 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
9038 { STATS_OFFSET32(mac_filter_discard),
9039 4, STATS_FLAGS_PORT, "rx_filtered_packets" },
9040 { STATS_OFFSET32(no_buff_discard),
9041 4, STATS_FLAGS_FUNC, "rx_discards" },
9042 { STATS_OFFSET32(xxoverflow_discard),
9043 4, STATS_FLAGS_PORT, "rx_fw_discards" },
9044 { STATS_OFFSET32(brb_drop_hi),
9045 8, STATS_FLAGS_PORT, "brb_discard" },
9046 { STATS_OFFSET32(brb_truncate_hi),
9047 8, STATS_FLAGS_PORT, "brb_truncate" },
9048/* 40 */{ STATS_OFFSET32(rx_err_discard_pkt),
9049 4, STATS_FLAGS_FUNC, "rx_phy_ip_err_discards"},
9050 { STATS_OFFSET32(rx_skb_alloc_failed),
9051 4, STATS_FLAGS_FUNC, "rx_skb_alloc_discard" },
9052/* 42 */{ STATS_OFFSET32(hw_csum_err),
9053 4, STATS_FLAGS_FUNC, "rx_csum_offload_errors" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009054};
9055
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009056#define IS_NOT_E1HMF_STAT(bp, i) \
9057 (IS_E1HMF(bp) && (bnx2x_stats_arr[i].flags & STATS_FLAGS_PORT))
9058
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009059static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
9060{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009061 struct bnx2x *bp = netdev_priv(dev);
9062 int i, j;
9063
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009064 switch (stringset) {
9065 case ETH_SS_STATS:
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009066 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009067 if (IS_NOT_E1HMF_STAT(bp, i))
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009068 continue;
9069 strcpy(buf + j*ETH_GSTRING_LEN,
9070 bnx2x_stats_arr[i].string);
9071 j++;
9072 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009073 break;
9074
9075 case ETH_SS_TEST:
9076 memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
9077 break;
9078 }
9079}
9080
9081static int bnx2x_get_stats_count(struct net_device *dev)
9082{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009083 struct bnx2x *bp = netdev_priv(dev);
9084 int i, num_stats = 0;
9085
9086 for (i = 0; i < BNX2X_NUM_STATS; i++) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009087 if (IS_NOT_E1HMF_STAT(bp, i))
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009088 continue;
9089 num_stats++;
9090 }
9091 return num_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009092}
9093
9094static void bnx2x_get_ethtool_stats(struct net_device *dev,
9095 struct ethtool_stats *stats, u64 *buf)
9096{
9097 struct bnx2x *bp = netdev_priv(dev);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009098 u32 *hw_stats = (u32 *)&bp->eth_stats;
9099 int i, j;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009100
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009101 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009102 if (IS_NOT_E1HMF_STAT(bp, i))
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009103 continue;
9104
9105 if (bnx2x_stats_arr[i].size == 0) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009106 /* skip this counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009107 buf[j] = 0;
9108 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009109 continue;
9110 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009111 if (bnx2x_stats_arr[i].size == 4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009112 /* 4-byte counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009113 buf[j] = (u64) *(hw_stats + bnx2x_stats_arr[i].offset);
9114 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009115 continue;
9116 }
9117 /* 8-byte counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009118 buf[j] = HILO_U64(*(hw_stats + bnx2x_stats_arr[i].offset),
9119 *(hw_stats + bnx2x_stats_arr[i].offset + 1));
9120 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009121 }
9122}
9123
9124static int bnx2x_phys_id(struct net_device *dev, u32 data)
9125{
9126 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009127 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009128 int i;
9129
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009130 if (!netif_running(dev))
9131 return 0;
9132
9133 if (!bp->port.pmf)
9134 return 0;
9135
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009136 if (data == 0)
9137 data = 2;
9138
9139 for (i = 0; i < (data * 2); i++) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009140 if ((i % 2) == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009141 bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009142 bp->link_params.hw_led_mode,
9143 bp->link_params.chip_id);
9144 else
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009145 bnx2x_set_led(bp, port, LED_MODE_OFF, 0,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009146 bp->link_params.hw_led_mode,
9147 bp->link_params.chip_id);
9148
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009149 msleep_interruptible(500);
9150 if (signal_pending(current))
9151 break;
9152 }
9153
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009154 if (bp->link_vars.link_up)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009155 bnx2x_set_led(bp, port, LED_MODE_OPER,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009156 bp->link_vars.line_speed,
9157 bp->link_params.hw_led_mode,
9158 bp->link_params.chip_id);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009159
9160 return 0;
9161}
9162
9163static struct ethtool_ops bnx2x_ethtool_ops = {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009164 .get_settings = bnx2x_get_settings,
9165 .set_settings = bnx2x_set_settings,
9166 .get_drvinfo = bnx2x_get_drvinfo,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009167 .get_wol = bnx2x_get_wol,
9168 .set_wol = bnx2x_set_wol,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009169 .get_msglevel = bnx2x_get_msglevel,
9170 .set_msglevel = bnx2x_set_msglevel,
9171 .nway_reset = bnx2x_nway_reset,
9172 .get_link = ethtool_op_get_link,
9173 .get_eeprom_len = bnx2x_get_eeprom_len,
9174 .get_eeprom = bnx2x_get_eeprom,
9175 .set_eeprom = bnx2x_set_eeprom,
9176 .get_coalesce = bnx2x_get_coalesce,
9177 .set_coalesce = bnx2x_set_coalesce,
9178 .get_ringparam = bnx2x_get_ringparam,
9179 .set_ringparam = bnx2x_set_ringparam,
9180 .get_pauseparam = bnx2x_get_pauseparam,
9181 .set_pauseparam = bnx2x_set_pauseparam,
9182 .get_rx_csum = bnx2x_get_rx_csum,
9183 .set_rx_csum = bnx2x_set_rx_csum,
9184 .get_tx_csum = ethtool_op_get_tx_csum,
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009185 .set_tx_csum = ethtool_op_set_tx_hw_csum,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009186 .set_flags = bnx2x_set_flags,
9187 .get_flags = ethtool_op_get_flags,
9188 .get_sg = ethtool_op_get_sg,
9189 .set_sg = ethtool_op_set_sg,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009190 .get_tso = ethtool_op_get_tso,
9191 .set_tso = bnx2x_set_tso,
9192 .self_test_count = bnx2x_self_test_count,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009193 .self_test = bnx2x_self_test,
9194 .get_strings = bnx2x_get_strings,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009195 .phys_id = bnx2x_phys_id,
9196 .get_stats_count = bnx2x_get_stats_count,
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009197 .get_ethtool_stats = bnx2x_get_ethtool_stats,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009198};
9199
9200/* end of ethtool_ops */
9201
9202/****************************************************************************
9203* General service functions
9204****************************************************************************/
9205
9206static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
9207{
9208 u16 pmcsr;
9209
9210 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
9211
9212 switch (state) {
9213 case PCI_D0:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009214 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009215 ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
9216 PCI_PM_CTRL_PME_STATUS));
9217
9218 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
Eilon Greenstein33471622008-08-13 15:59:08 -07009219 /* delay required during transition out of D3hot */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009220 msleep(20);
9221 break;
9222
9223 case PCI_D3hot:
9224 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
9225 pmcsr |= 3;
9226
9227 if (bp->wol)
9228 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
9229
9230 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
9231 pmcsr);
9232
9233 /* No more memory access after this point until
9234 * device is brought back to D0.
9235 */
9236 break;
9237
9238 default:
9239 return -EINVAL;
9240 }
9241 return 0;
9242}
9243
9244/*
9245 * net_device service functions
9246 */
9247
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009248static int bnx2x_poll(struct napi_struct *napi, int budget)
9249{
9250 struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath,
9251 napi);
9252 struct bnx2x *bp = fp->bp;
9253 int work_done = 0;
Eilon Greenstein2772f902008-08-25 15:19:17 -07009254 u16 rx_cons_sb;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009255
9256#ifdef BNX2X_STOP_ON_ERROR
9257 if (unlikely(bp->panic))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009258 goto poll_panic;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009259#endif
9260
9261 prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb);
9262 prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb);
9263 prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256);
9264
9265 bnx2x_update_fpsb_idx(fp);
9266
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009267 if (BNX2X_HAS_TX_WORK(fp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009268 bnx2x_tx_int(fp, budget);
9269
Eilon Greenstein2772f902008-08-25 15:19:17 -07009270 rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
9271 if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
9272 rx_cons_sb++;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009273 if (BNX2X_HAS_RX_WORK(fp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009274 work_done = bnx2x_rx_int(fp, budget);
9275
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009276 rmb(); /* BNX2X_HAS_WORK() reads the status block */
Eilon Greenstein2772f902008-08-25 15:19:17 -07009277 rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
9278 if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
9279 rx_cons_sb++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009280
9281 /* must not complete if we consumed full budget */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009282 if ((work_done < budget) && !BNX2X_HAS_WORK(fp)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009283
9284#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009285poll_panic:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009286#endif
Neil Horman908a7a12008-12-22 20:43:12 -08009287 netif_rx_complete(napi);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009288
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009289 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009290 le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009291 bnx2x_ack_sb(bp, FP_SB_ID(fp), CSTORM_ID,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009292 le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
9293 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009294 return work_done;
9295}
9296
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009297
9298/* we split the first BD into headers and data BDs
Eilon Greenstein33471622008-08-13 15:59:08 -07009299 * to ease the pain of our fellow microcode engineers
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009300 * we use one mapping for both BDs
9301 * So far this has only been observed to happen
9302 * in Other Operating Systems(TM)
9303 */
9304static noinline u16 bnx2x_tx_split(struct bnx2x *bp,
9305 struct bnx2x_fastpath *fp,
9306 struct eth_tx_bd **tx_bd, u16 hlen,
9307 u16 bd_prod, int nbd)
9308{
9309 struct eth_tx_bd *h_tx_bd = *tx_bd;
9310 struct eth_tx_bd *d_tx_bd;
9311 dma_addr_t mapping;
9312 int old_len = le16_to_cpu(h_tx_bd->nbytes);
9313
9314 /* first fix first BD */
9315 h_tx_bd->nbd = cpu_to_le16(nbd);
9316 h_tx_bd->nbytes = cpu_to_le16(hlen);
9317
9318 DP(NETIF_MSG_TX_QUEUED, "TSO split header size is %d "
9319 "(%x:%x) nbd %d\n", h_tx_bd->nbytes, h_tx_bd->addr_hi,
9320 h_tx_bd->addr_lo, h_tx_bd->nbd);
9321
9322 /* now get a new data BD
9323 * (after the pbd) and fill it */
9324 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9325 d_tx_bd = &fp->tx_desc_ring[bd_prod];
9326
9327 mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi),
9328 le32_to_cpu(h_tx_bd->addr_lo)) + hlen;
9329
9330 d_tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9331 d_tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9332 d_tx_bd->nbytes = cpu_to_le16(old_len - hlen);
9333 d_tx_bd->vlan = 0;
9334 /* this marks the BD as one that has no individual mapping
9335 * the FW ignores this flag in a BD not marked start
9336 */
9337 d_tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO;
9338 DP(NETIF_MSG_TX_QUEUED,
9339 "TSO split data size is %d (%x:%x)\n",
9340 d_tx_bd->nbytes, d_tx_bd->addr_hi, d_tx_bd->addr_lo);
9341
9342 /* update tx_bd for marking the last BD flag */
9343 *tx_bd = d_tx_bd;
9344
9345 return bd_prod;
9346}
9347
9348static inline u16 bnx2x_csum_fix(unsigned char *t_header, u16 csum, s8 fix)
9349{
9350 if (fix > 0)
9351 csum = (u16) ~csum_fold(csum_sub(csum,
9352 csum_partial(t_header - fix, fix, 0)));
9353
9354 else if (fix < 0)
9355 csum = (u16) ~csum_fold(csum_add(csum,
9356 csum_partial(t_header, -fix, 0)));
9357
9358 return swab16(csum);
9359}
9360
9361static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
9362{
9363 u32 rc;
9364
9365 if (skb->ip_summed != CHECKSUM_PARTIAL)
9366 rc = XMIT_PLAIN;
9367
9368 else {
9369 if (skb->protocol == ntohs(ETH_P_IPV6)) {
9370 rc = XMIT_CSUM_V6;
9371 if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
9372 rc |= XMIT_CSUM_TCP;
9373
9374 } else {
9375 rc = XMIT_CSUM_V4;
9376 if (ip_hdr(skb)->protocol == IPPROTO_TCP)
9377 rc |= XMIT_CSUM_TCP;
9378 }
9379 }
9380
9381 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4)
9382 rc |= XMIT_GSO_V4;
9383
9384 else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
9385 rc |= XMIT_GSO_V6;
9386
9387 return rc;
9388}
9389
9390/* check if packet requires linearization (packet is too fragmented) */
9391static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
9392 u32 xmit_type)
9393{
9394 int to_copy = 0;
9395 int hlen = 0;
9396 int first_bd_sz = 0;
9397
9398 /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
9399 if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) {
9400
9401 if (xmit_type & XMIT_GSO) {
9402 unsigned short lso_mss = skb_shinfo(skb)->gso_size;
9403 /* Check if LSO packet needs to be copied:
9404 3 = 1 (for headers BD) + 2 (for PBD and last BD) */
9405 int wnd_size = MAX_FETCH_BD - 3;
Eilon Greenstein33471622008-08-13 15:59:08 -07009406 /* Number of windows to check */
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009407 int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size;
9408 int wnd_idx = 0;
9409 int frag_idx = 0;
9410 u32 wnd_sum = 0;
9411
9412 /* Headers length */
9413 hlen = (int)(skb_transport_header(skb) - skb->data) +
9414 tcp_hdrlen(skb);
9415
9416 /* Amount of data (w/o headers) on linear part of SKB*/
9417 first_bd_sz = skb_headlen(skb) - hlen;
9418
9419 wnd_sum = first_bd_sz;
9420
9421 /* Calculate the first sum - it's special */
9422 for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++)
9423 wnd_sum +=
9424 skb_shinfo(skb)->frags[frag_idx].size;
9425
9426 /* If there was data on linear skb data - check it */
9427 if (first_bd_sz > 0) {
9428 if (unlikely(wnd_sum < lso_mss)) {
9429 to_copy = 1;
9430 goto exit_lbl;
9431 }
9432
9433 wnd_sum -= first_bd_sz;
9434 }
9435
9436 /* Others are easier: run through the frag list and
9437 check all windows */
9438 for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) {
9439 wnd_sum +=
9440 skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size;
9441
9442 if (unlikely(wnd_sum < lso_mss)) {
9443 to_copy = 1;
9444 break;
9445 }
9446 wnd_sum -=
9447 skb_shinfo(skb)->frags[wnd_idx].size;
9448 }
9449
9450 } else {
9451 /* in non-LSO too fragmented packet should always
9452 be linearized */
9453 to_copy = 1;
9454 }
9455 }
9456
9457exit_lbl:
9458 if (unlikely(to_copy))
9459 DP(NETIF_MSG_TX_QUEUED,
9460 "Linearization IS REQUIRED for %s packet. "
9461 "num_frags %d hlen %d first_bd_sz %d\n",
9462 (xmit_type & XMIT_GSO) ? "LSO" : "non-LSO",
9463 skb_shinfo(skb)->nr_frags, hlen, first_bd_sz);
9464
9465 return to_copy;
9466}
9467
9468/* called with netif_tx_lock
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009469 * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009470 * netif_wake_queue()
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009471 */
9472static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
9473{
9474 struct bnx2x *bp = netdev_priv(dev);
9475 struct bnx2x_fastpath *fp;
9476 struct sw_tx_bd *tx_buf;
9477 struct eth_tx_bd *tx_bd;
9478 struct eth_tx_parse_bd *pbd = NULL;
9479 u16 pkt_prod, bd_prod;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009480 int nbd, fp_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009481 dma_addr_t mapping;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009482 u32 xmit_type = bnx2x_xmit_type(bp, skb);
9483 int vlan_off = (bp->e1hov ? 4 : 0);
9484 int i;
9485 u8 hlen = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009486
9487#ifdef BNX2X_STOP_ON_ERROR
9488 if (unlikely(bp->panic))
9489 return NETDEV_TX_BUSY;
9490#endif
9491
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009492 fp_index = (smp_processor_id() % bp->num_queues);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009493 fp = &bp->fp[fp_index];
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009494
Yitchak Gertner231fd582008-08-25 15:27:06 -07009495 if (unlikely(bnx2x_tx_avail(fp) < (skb_shinfo(skb)->nr_frags + 3))) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009496 bp->eth_stats.driver_xoff++,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009497 netif_stop_queue(dev);
9498 BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
9499 return NETDEV_TX_BUSY;
9500 }
9501
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009502 DP(NETIF_MSG_TX_QUEUED, "SKB: summed %x protocol %x protocol(%x,%x)"
9503 " gso type %x xmit_type %x\n",
9504 skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr,
9505 ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type);
9506
Eilon Greenstein33471622008-08-13 15:59:08 -07009507 /* First, check if we need to linearize the skb
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009508 (due to FW restrictions) */
9509 if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) {
9510 /* Statistics of linearization */
9511 bp->lin_cnt++;
9512 if (skb_linearize(skb) != 0) {
9513 DP(NETIF_MSG_TX_QUEUED, "SKB linearization failed - "
9514 "silently dropping this SKB\n");
9515 dev_kfree_skb_any(skb);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009516 return NETDEV_TX_OK;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009517 }
9518 }
9519
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009520 /*
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009521 Please read carefully. First we use one BD which we mark as start,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009522 then for TSO or xsum we have a parsing info BD,
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009523 and only then we have the rest of the TSO BDs.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009524 (don't forget to mark the last one as last,
9525 and to unmap only AFTER you write to the BD ...)
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009526 And above all, all pdb sizes are in words - NOT DWORDS!
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009527 */
9528
9529 pkt_prod = fp->tx_pkt_prod++;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009530 bd_prod = TX_BD(fp->tx_bd_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009531
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009532 /* get a tx_buf and first BD */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009533 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
9534 tx_bd = &fp->tx_desc_ring[bd_prod];
9535
9536 tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
9537 tx_bd->general_data = (UNICAST_ADDRESS <<
9538 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT);
Eilon Greenstein3196a882008-08-13 15:58:49 -07009539 /* header nbd */
9540 tx_bd->general_data |= (1 << ETH_TX_BD_HDR_NBDS_SHIFT);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009541
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009542 /* remember the first BD of the packet */
9543 tx_buf->first_bd = fp->tx_bd_prod;
9544 tx_buf->skb = skb;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009545
9546 DP(NETIF_MSG_TX_QUEUED,
9547 "sending pkt %u @%p next_idx %u bd %u @%p\n",
9548 pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_bd);
9549
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009550 if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb)) {
9551 tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb));
9552 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009553 vlan_off += 4;
9554 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009555 tx_bd->vlan = cpu_to_le16(pkt_prod);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009556
9557 if (xmit_type) {
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009558 /* turn on parsing and get a BD */
9559 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9560 pbd = (void *)&fp->tx_desc_ring[bd_prod];
9561
9562 memset(pbd, 0, sizeof(struct eth_tx_parse_bd));
9563 }
9564
9565 if (xmit_type & XMIT_CSUM) {
9566 hlen = (skb_network_header(skb) - skb->data + vlan_off) / 2;
9567
9568 /* for now NS flag is not used in Linux */
9569 pbd->global_data = (hlen |
9570 ((skb->protocol == ntohs(ETH_P_8021Q)) <<
9571 ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT));
9572
9573 pbd->ip_hlen = (skb_transport_header(skb) -
9574 skb_network_header(skb)) / 2;
9575
9576 hlen += pbd->ip_hlen + tcp_hdrlen(skb) / 2;
9577
9578 pbd->total_hlen = cpu_to_le16(hlen);
9579 hlen = hlen*2 - vlan_off;
9580
9581 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM;
9582
9583 if (xmit_type & XMIT_CSUM_V4)
9584 tx_bd->bd_flags.as_bitfield |=
9585 ETH_TX_BD_FLAGS_IP_CSUM;
9586 else
9587 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IPV6;
9588
9589 if (xmit_type & XMIT_CSUM_TCP) {
9590 pbd->tcp_pseudo_csum = swab16(tcp_hdr(skb)->check);
9591
9592 } else {
9593 s8 fix = SKB_CS_OFF(skb); /* signed! */
9594
9595 pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG;
9596 pbd->cs_offset = fix / 2;
9597
9598 DP(NETIF_MSG_TX_QUEUED,
9599 "hlen %d offset %d fix %d csum before fix %x\n",
9600 le16_to_cpu(pbd->total_hlen), pbd->cs_offset, fix,
9601 SKB_CS(skb));
9602
9603 /* HW bug: fixup the CSUM */
9604 pbd->tcp_pseudo_csum =
9605 bnx2x_csum_fix(skb_transport_header(skb),
9606 SKB_CS(skb), fix);
9607
9608 DP(NETIF_MSG_TX_QUEUED, "csum after fix %x\n",
9609 pbd->tcp_pseudo_csum);
9610 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009611 }
9612
9613 mapping = pci_map_single(bp->pdev, skb->data,
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009614 skb_headlen(skb), PCI_DMA_TODEVICE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009615
9616 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9617 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
Eilon Greenstein6378c022008-08-13 15:59:25 -07009618 nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL) ? 1 : 2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009619 tx_bd->nbd = cpu_to_le16(nbd);
9620 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
9621
9622 DP(NETIF_MSG_TX_QUEUED, "first bd @%p addr (%x:%x) nbd %d"
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009623 " nbytes %d flags %x vlan %x\n",
9624 tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, le16_to_cpu(tx_bd->nbd),
9625 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield,
9626 le16_to_cpu(tx_bd->vlan));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009627
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009628 if (xmit_type & XMIT_GSO) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009629
9630 DP(NETIF_MSG_TX_QUEUED,
9631 "TSO packet len %d hlen %d total len %d tso size %d\n",
9632 skb->len, hlen, skb_headlen(skb),
9633 skb_shinfo(skb)->gso_size);
9634
9635 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO;
9636
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009637 if (unlikely(skb_headlen(skb) > hlen))
9638 bd_prod = bnx2x_tx_split(bp, fp, &tx_bd, hlen,
9639 bd_prod, ++nbd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009640
9641 pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
9642 pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009643 pbd->tcp_flags = pbd_tcp_flags(skb);
9644
9645 if (xmit_type & XMIT_GSO_V4) {
9646 pbd->ip_id = swab16(ip_hdr(skb)->id);
9647 pbd->tcp_pseudo_csum =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009648 swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr,
9649 ip_hdr(skb)->daddr,
9650 0, IPPROTO_TCP, 0));
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009651
9652 } else
9653 pbd->tcp_pseudo_csum =
9654 swab16(~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
9655 &ipv6_hdr(skb)->daddr,
9656 0, IPPROTO_TCP, 0));
9657
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009658 pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN;
9659 }
9660
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009661 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
9662 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009663
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009664 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9665 tx_bd = &fp->tx_desc_ring[bd_prod];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009666
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009667 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
9668 frag->size, PCI_DMA_TODEVICE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009669
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009670 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9671 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9672 tx_bd->nbytes = cpu_to_le16(frag->size);
9673 tx_bd->vlan = cpu_to_le16(pkt_prod);
9674 tx_bd->bd_flags.as_bitfield = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009675
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009676 DP(NETIF_MSG_TX_QUEUED,
9677 "frag %d bd @%p addr (%x:%x) nbytes %d flags %x\n",
9678 i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo,
9679 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009680 }
9681
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009682 /* now at last mark the BD as the last BD */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009683 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD;
9684
9685 DP(NETIF_MSG_TX_QUEUED, "last bd @%p flags %x\n",
9686 tx_bd, tx_bd->bd_flags.as_bitfield);
9687
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009688 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9689
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009690 /* now send a tx doorbell, counting the next BD
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009691 * if the packet contains or ends with it
9692 */
9693 if (TX_BD_POFF(bd_prod) < nbd)
9694 nbd++;
9695
9696 if (pbd)
9697 DP(NETIF_MSG_TX_QUEUED,
9698 "PBD @%p ip_data %x ip_hlen %u ip_id %u lso_mss %u"
9699 " tcp_flags %x xsum %x seq %u hlen %u\n",
9700 pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id,
9701 pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum,
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009702 pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009703
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009704 DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d bd %u\n", nbd, bd_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009705
Eliezer Tamir96fc1782008-02-28 11:57:55 -08009706 fp->hw_tx_prods->bds_prod =
9707 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + nbd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009708 mb(); /* FW restriction: must not reorder writing nbd and packets */
Eliezer Tamir96fc1782008-02-28 11:57:55 -08009709 fp->hw_tx_prods->packets_prod =
9710 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009711 DOORBELL(bp, FP_IDX(fp), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009712
9713 mmiowb();
9714
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009715 fp->tx_bd_prod += nbd;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009716 dev->trans_start = jiffies;
9717
9718 if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
9719 netif_stop_queue(dev);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009720 bp->eth_stats.driver_xoff++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009721 if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
9722 netif_wake_queue(dev);
9723 }
9724 fp->tx_pkt++;
9725
9726 return NETDEV_TX_OK;
9727}
9728
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009729/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009730static int bnx2x_open(struct net_device *dev)
9731{
9732 struct bnx2x *bp = netdev_priv(dev);
9733
9734 bnx2x_set_power_state(bp, PCI_D0);
9735
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009736 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009737}
9738
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009739/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009740static int bnx2x_close(struct net_device *dev)
9741{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009742 struct bnx2x *bp = netdev_priv(dev);
9743
9744 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009745 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
9746 if (atomic_read(&bp->pdev->enable_cnt) == 1)
9747 if (!CHIP_REV_IS_SLOW(bp))
9748 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009749
9750 return 0;
9751}
9752
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009753/* called with netif_tx_lock from set_multicast */
9754static void bnx2x_set_rx_mode(struct net_device *dev)
9755{
9756 struct bnx2x *bp = netdev_priv(dev);
9757 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
9758 int port = BP_PORT(bp);
9759
9760 if (bp->state != BNX2X_STATE_OPEN) {
9761 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
9762 return;
9763 }
9764
9765 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
9766
9767 if (dev->flags & IFF_PROMISC)
9768 rx_mode = BNX2X_RX_MODE_PROMISC;
9769
9770 else if ((dev->flags & IFF_ALLMULTI) ||
9771 ((dev->mc_count > BNX2X_MAX_MULTICAST) && CHIP_IS_E1(bp)))
9772 rx_mode = BNX2X_RX_MODE_ALLMULTI;
9773
9774 else { /* some multicasts */
9775 if (CHIP_IS_E1(bp)) {
9776 int i, old, offset;
9777 struct dev_mc_list *mclist;
9778 struct mac_configuration_cmd *config =
9779 bnx2x_sp(bp, mcast_config);
9780
9781 for (i = 0, mclist = dev->mc_list;
9782 mclist && (i < dev->mc_count);
9783 i++, mclist = mclist->next) {
9784
9785 config->config_table[i].
9786 cam_entry.msb_mac_addr =
9787 swab16(*(u16 *)&mclist->dmi_addr[0]);
9788 config->config_table[i].
9789 cam_entry.middle_mac_addr =
9790 swab16(*(u16 *)&mclist->dmi_addr[2]);
9791 config->config_table[i].
9792 cam_entry.lsb_mac_addr =
9793 swab16(*(u16 *)&mclist->dmi_addr[4]);
9794 config->config_table[i].cam_entry.flags =
9795 cpu_to_le16(port);
9796 config->config_table[i].
9797 target_table_entry.flags = 0;
9798 config->config_table[i].
9799 target_table_entry.client_id = 0;
9800 config->config_table[i].
9801 target_table_entry.vlan_id = 0;
9802
9803 DP(NETIF_MSG_IFUP,
9804 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
9805 config->config_table[i].
9806 cam_entry.msb_mac_addr,
9807 config->config_table[i].
9808 cam_entry.middle_mac_addr,
9809 config->config_table[i].
9810 cam_entry.lsb_mac_addr);
9811 }
9812 old = config->hdr.length_6b;
9813 if (old > i) {
9814 for (; i < old; i++) {
9815 if (CAM_IS_INVALID(config->
9816 config_table[i])) {
9817 i--; /* already invalidated */
9818 break;
9819 }
9820 /* invalidate */
9821 CAM_INVALIDATE(config->
9822 config_table[i]);
9823 }
9824 }
9825
9826 if (CHIP_REV_IS_SLOW(bp))
9827 offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
9828 else
9829 offset = BNX2X_MAX_MULTICAST*(1 + port);
9830
9831 config->hdr.length_6b = i;
9832 config->hdr.offset = offset;
9833 config->hdr.client_id = BP_CL_ID(bp);
9834 config->hdr.reserved1 = 0;
9835
9836 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
9837 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
9838 U64_LO(bnx2x_sp_mapping(bp, mcast_config)),
9839 0);
9840 } else { /* E1H */
9841 /* Accept one or more multicasts */
9842 struct dev_mc_list *mclist;
9843 u32 mc_filter[MC_HASH_SIZE];
9844 u32 crc, bit, regidx;
9845 int i;
9846
9847 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
9848
9849 for (i = 0, mclist = dev->mc_list;
9850 mclist && (i < dev->mc_count);
9851 i++, mclist = mclist->next) {
9852
Johannes Berg7c510e42008-10-27 17:47:26 -07009853 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
9854 mclist->dmi_addr);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009855
9856 crc = crc32c_le(0, mclist->dmi_addr, ETH_ALEN);
9857 bit = (crc >> 24) & 0xff;
9858 regidx = bit >> 5;
9859 bit &= 0x1f;
9860 mc_filter[regidx] |= (1 << bit);
9861 }
9862
9863 for (i = 0; i < MC_HASH_SIZE; i++)
9864 REG_WR(bp, MC_HASH_OFFSET(bp, i),
9865 mc_filter[i]);
9866 }
9867 }
9868
9869 bp->rx_mode = rx_mode;
9870 bnx2x_set_storm_rx_mode(bp);
9871}
9872
9873/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009874static int bnx2x_change_mac_addr(struct net_device *dev, void *p)
9875{
9876 struct sockaddr *addr = p;
9877 struct bnx2x *bp = netdev_priv(dev);
9878
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009879 if (!is_valid_ether_addr((u8 *)(addr->sa_data)))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009880 return -EINVAL;
9881
9882 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009883 if (netif_running(dev)) {
9884 if (CHIP_IS_E1(bp))
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07009885 bnx2x_set_mac_addr_e1(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009886 else
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07009887 bnx2x_set_mac_addr_e1h(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009888 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009889
9890 return 0;
9891}
9892
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009893/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009894static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9895{
9896 struct mii_ioctl_data *data = if_mii(ifr);
9897 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein3196a882008-08-13 15:58:49 -07009898 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009899 int err;
9900
9901 switch (cmd) {
9902 case SIOCGMIIPHY:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009903 data->phy_id = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009904
Eliezer Tamirc14423f2008-02-28 11:49:42 -08009905 /* fallthrough */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009906
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009907 case SIOCGMIIREG: {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009908 u16 mii_regval;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009909
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009910 if (!netif_running(dev))
9911 return -EAGAIN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009912
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009913 mutex_lock(&bp->port.phy_mutex);
Eilon Greenstein3196a882008-08-13 15:58:49 -07009914 err = bnx2x_cl45_read(bp, port, 0, bp->port.phy_addr,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009915 DEFAULT_PHY_DEV_ADDR,
9916 (data->reg_num & 0x1f), &mii_regval);
9917 data->val_out = mii_regval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009918 mutex_unlock(&bp->port.phy_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009919 return err;
9920 }
9921
9922 case SIOCSMIIREG:
9923 if (!capable(CAP_NET_ADMIN))
9924 return -EPERM;
9925
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009926 if (!netif_running(dev))
9927 return -EAGAIN;
9928
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009929 mutex_lock(&bp->port.phy_mutex);
Eilon Greenstein3196a882008-08-13 15:58:49 -07009930 err = bnx2x_cl45_write(bp, port, 0, bp->port.phy_addr,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009931 DEFAULT_PHY_DEV_ADDR,
9932 (data->reg_num & 0x1f), data->val_in);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009933 mutex_unlock(&bp->port.phy_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009934 return err;
9935
9936 default:
9937 /* do nothing */
9938 break;
9939 }
9940
9941 return -EOPNOTSUPP;
9942}
9943
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009944/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009945static int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
9946{
9947 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009948 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009949
9950 if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) ||
9951 ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE))
9952 return -EINVAL;
9953
9954 /* This does not race with packet allocation
Eliezer Tamirc14423f2008-02-28 11:49:42 -08009955 * because the actual alloc size is
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009956 * only updated as part of load
9957 */
9958 dev->mtu = new_mtu;
9959
9960 if (netif_running(dev)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009961 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
9962 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009963 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009964
9965 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009966}
9967
9968static void bnx2x_tx_timeout(struct net_device *dev)
9969{
9970 struct bnx2x *bp = netdev_priv(dev);
9971
9972#ifdef BNX2X_STOP_ON_ERROR
9973 if (!bp->panic)
9974 bnx2x_panic();
9975#endif
9976 /* This allows the netif to be shutdown gracefully before resetting */
9977 schedule_work(&bp->reset_task);
9978}
9979
9980#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009981/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009982static void bnx2x_vlan_rx_register(struct net_device *dev,
9983 struct vlan_group *vlgrp)
9984{
9985 struct bnx2x *bp = netdev_priv(dev);
9986
9987 bp->vlgrp = vlgrp;
9988 if (netif_running(dev))
Eliezer Tamir49d66772008-02-28 11:53:13 -08009989 bnx2x_set_client_config(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009990}
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009991
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009992#endif
9993
9994#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
9995static void poll_bnx2x(struct net_device *dev)
9996{
9997 struct bnx2x *bp = netdev_priv(dev);
9998
9999 disable_irq(bp->pdev->irq);
10000 bnx2x_interrupt(bp->pdev->irq, dev);
10001 enable_irq(bp->pdev->irq);
10002}
10003#endif
10004
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010005static const struct net_device_ops bnx2x_netdev_ops = {
10006 .ndo_open = bnx2x_open,
10007 .ndo_stop = bnx2x_close,
10008 .ndo_start_xmit = bnx2x_start_xmit,
10009 .ndo_set_multicast_list = bnx2x_set_rx_mode,
10010 .ndo_set_mac_address = bnx2x_change_mac_addr,
10011 .ndo_validate_addr = eth_validate_addr,
10012 .ndo_do_ioctl = bnx2x_ioctl,
10013 .ndo_change_mtu = bnx2x_change_mtu,
10014 .ndo_tx_timeout = bnx2x_tx_timeout,
10015#ifdef BCM_VLAN
10016 .ndo_vlan_rx_register = bnx2x_vlan_rx_register,
10017#endif
10018#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
10019 .ndo_poll_controller = poll_bnx2x,
10020#endif
10021};
10022
10023
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010024static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
10025 struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010026{
10027 struct bnx2x *bp;
10028 int rc;
10029
10030 SET_NETDEV_DEV(dev, &pdev->dev);
10031 bp = netdev_priv(dev);
10032
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010033 bp->dev = dev;
10034 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010035 bp->flags = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010036 bp->func = PCI_FUNC(pdev->devfn);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010037
10038 rc = pci_enable_device(pdev);
10039 if (rc) {
10040 printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n");
10041 goto err_out;
10042 }
10043
10044 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
10045 printk(KERN_ERR PFX "Cannot find PCI device base address,"
10046 " aborting\n");
10047 rc = -ENODEV;
10048 goto err_out_disable;
10049 }
10050
10051 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
10052 printk(KERN_ERR PFX "Cannot find second PCI device"
10053 " base address, aborting\n");
10054 rc = -ENODEV;
10055 goto err_out_disable;
10056 }
10057
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010058 if (atomic_read(&pdev->enable_cnt) == 1) {
10059 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
10060 if (rc) {
10061 printk(KERN_ERR PFX "Cannot obtain PCI resources,"
10062 " aborting\n");
10063 goto err_out_disable;
10064 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010065
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010066 pci_set_master(pdev);
10067 pci_save_state(pdev);
10068 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010069
10070 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
10071 if (bp->pm_cap == 0) {
10072 printk(KERN_ERR PFX "Cannot find power management"
10073 " capability, aborting\n");
10074 rc = -EIO;
10075 goto err_out_release;
10076 }
10077
10078 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
10079 if (bp->pcie_cap == 0) {
10080 printk(KERN_ERR PFX "Cannot find PCI Express capability,"
10081 " aborting\n");
10082 rc = -EIO;
10083 goto err_out_release;
10084 }
10085
10086 if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
10087 bp->flags |= USING_DAC_FLAG;
10088 if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
10089 printk(KERN_ERR PFX "pci_set_consistent_dma_mask"
10090 " failed, aborting\n");
10091 rc = -EIO;
10092 goto err_out_release;
10093 }
10094
10095 } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
10096 printk(KERN_ERR PFX "System does not support DMA,"
10097 " aborting\n");
10098 rc = -EIO;
10099 goto err_out_release;
10100 }
10101
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010102 dev->mem_start = pci_resource_start(pdev, 0);
10103 dev->base_addr = dev->mem_start;
10104 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010105
10106 dev->irq = pdev->irq;
10107
Arjan van de Ven275f1652008-10-20 21:42:39 -070010108 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010109 if (!bp->regview) {
10110 printk(KERN_ERR PFX "Cannot map register space, aborting\n");
10111 rc = -ENOMEM;
10112 goto err_out_release;
10113 }
10114
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010115 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
10116 min_t(u64, BNX2X_DB_SIZE,
10117 pci_resource_len(pdev, 2)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010118 if (!bp->doorbells) {
10119 printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n");
10120 rc = -ENOMEM;
10121 goto err_out_unmap;
10122 }
10123
10124 bnx2x_set_power_state(bp, PCI_D0);
10125
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010126 /* clean indirect addresses */
10127 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
10128 PCICFG_VENDOR_ID_OFFSET);
10129 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
10130 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
10131 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
10132 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010133
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010134 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010135
Stephen Hemmingerc64213c2008-11-21 17:36:04 -080010136 dev->netdev_ops = &bnx2x_netdev_ops;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010137 dev->ethtool_ops = &bnx2x_ethtool_ops;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010138 dev->features |= NETIF_F_SG;
10139 dev->features |= NETIF_F_HW_CSUM;
10140 if (bp->flags & USING_DAC_FLAG)
10141 dev->features |= NETIF_F_HIGHDMA;
10142#ifdef BCM_VLAN
10143 dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
10144#endif
10145 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735eb2008-06-23 20:35:13 -070010146 dev->features |= NETIF_F_TSO6;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010147
10148 return 0;
10149
10150err_out_unmap:
10151 if (bp->regview) {
10152 iounmap(bp->regview);
10153 bp->regview = NULL;
10154 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010155 if (bp->doorbells) {
10156 iounmap(bp->doorbells);
10157 bp->doorbells = NULL;
10158 }
10159
10160err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010161 if (atomic_read(&pdev->enable_cnt) == 1)
10162 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010163
10164err_out_disable:
10165 pci_disable_device(pdev);
10166 pci_set_drvdata(pdev, NULL);
10167
10168err_out:
10169 return rc;
10170}
10171
Eliezer Tamir25047952008-02-28 11:50:16 -080010172static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp)
10173{
10174 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10175
10176 val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
10177 return val;
10178}
10179
10180/* return value of 1=2.5GHz 2=5GHz */
10181static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp)
10182{
10183 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10184
10185 val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
10186 return val;
10187}
10188
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010189static int __devinit bnx2x_init_one(struct pci_dev *pdev,
10190 const struct pci_device_id *ent)
10191{
10192 static int version_printed;
10193 struct net_device *dev = NULL;
10194 struct bnx2x *bp;
Eliezer Tamir25047952008-02-28 11:50:16 -080010195 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010196
10197 if (version_printed++ == 0)
10198 printk(KERN_INFO "%s", version);
10199
10200 /* dev zeroed in init_etherdev */
10201 dev = alloc_etherdev(sizeof(*bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010202 if (!dev) {
10203 printk(KERN_ERR PFX "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010204 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010205 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010206
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010207 bp = netdev_priv(dev);
10208 bp->msglevel = debug;
10209
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010210 rc = bnx2x_init_dev(pdev, dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010211 if (rc < 0) {
10212 free_netdev(dev);
10213 return rc;
10214 }
10215
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010216 rc = register_netdev(dev);
10217 if (rc) {
Eliezer Tamirc14423f2008-02-28 11:49:42 -080010218 dev_err(&pdev->dev, "Cannot register net device\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010219 goto init_one_exit;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010220 }
10221
10222 pci_set_drvdata(pdev, dev);
10223
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010224 rc = bnx2x_init_bp(bp);
10225 if (rc) {
10226 unregister_netdev(dev);
10227 goto init_one_exit;
10228 }
10229
Eilon Greenstein12b56ea2008-11-03 16:46:40 -080010230 netif_carrier_off(dev);
10231
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010232 bp->common.name = board_info[ent->driver_data].name;
Eliezer Tamir25047952008-02-28 11:50:16 -080010233 printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx,"
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010234 " IRQ %d, ", dev->name, bp->common.name,
10235 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
Eliezer Tamir25047952008-02-28 11:50:16 -080010236 bnx2x_get_pcie_width(bp),
10237 (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz",
10238 dev->base_addr, bp->pdev->irq);
Johannes Berge1749612008-10-27 15:59:26 -070010239 printk(KERN_CONT "node addr %pM\n", dev->dev_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010240 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010241
10242init_one_exit:
10243 if (bp->regview)
10244 iounmap(bp->regview);
10245
10246 if (bp->doorbells)
10247 iounmap(bp->doorbells);
10248
10249 free_netdev(dev);
10250
10251 if (atomic_read(&pdev->enable_cnt) == 1)
10252 pci_release_regions(pdev);
10253
10254 pci_disable_device(pdev);
10255 pci_set_drvdata(pdev, NULL);
10256
10257 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010258}
10259
10260static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
10261{
10262 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010263 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010264
Eliezer Tamir228241e2008-02-28 11:56:57 -080010265 if (!dev) {
Eliezer Tamir228241e2008-02-28 11:56:57 -080010266 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10267 return;
10268 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010269 bp = netdev_priv(dev);
10270
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010271 unregister_netdev(dev);
10272
10273 if (bp->regview)
10274 iounmap(bp->regview);
10275
10276 if (bp->doorbells)
10277 iounmap(bp->doorbells);
10278
10279 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010280
10281 if (atomic_read(&pdev->enable_cnt) == 1)
10282 pci_release_regions(pdev);
10283
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010284 pci_disable_device(pdev);
10285 pci_set_drvdata(pdev, NULL);
10286}
10287
10288static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
10289{
10290 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010291 struct bnx2x *bp;
10292
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010293 if (!dev) {
10294 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10295 return -ENODEV;
10296 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010297 bp = netdev_priv(dev);
10298
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010299 rtnl_lock();
10300
10301 pci_save_state(pdev);
10302
10303 if (!netif_running(dev)) {
10304 rtnl_unlock();
10305 return 0;
10306 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010307
10308 netif_device_detach(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010309
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -070010310 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010311
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010312 bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
Eliezer Tamir228241e2008-02-28 11:56:57 -080010313
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010314 rtnl_unlock();
10315
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010316 return 0;
10317}
10318
10319static int bnx2x_resume(struct pci_dev *pdev)
10320{
10321 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010322 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010323 int rc;
10324
Eliezer Tamir228241e2008-02-28 11:56:57 -080010325 if (!dev) {
10326 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10327 return -ENODEV;
10328 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010329 bp = netdev_priv(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010330
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010331 rtnl_lock();
10332
Eliezer Tamir228241e2008-02-28 11:56:57 -080010333 pci_restore_state(pdev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010334
10335 if (!netif_running(dev)) {
10336 rtnl_unlock();
10337 return 0;
10338 }
10339
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010340 bnx2x_set_power_state(bp, PCI_D0);
10341 netif_device_attach(dev);
10342
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -070010343 rc = bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010344
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010345 rtnl_unlock();
10346
10347 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010348}
10349
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070010350static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
10351{
10352 int i;
10353
10354 bp->state = BNX2X_STATE_ERROR;
10355
10356 bp->rx_mode = BNX2X_RX_MODE_NONE;
10357
10358 bnx2x_netif_stop(bp, 0);
10359
10360 del_timer_sync(&bp->timer);
10361 bp->stats_state = STATS_STATE_DISABLED;
10362 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
10363
10364 /* Release IRQs */
10365 bnx2x_free_irq(bp);
10366
10367 if (CHIP_IS_E1(bp)) {
10368 struct mac_configuration_cmd *config =
10369 bnx2x_sp(bp, mcast_config);
10370
10371 for (i = 0; i < config->hdr.length_6b; i++)
10372 CAM_INVALIDATE(config->config_table[i]);
10373 }
10374
10375 /* Free SKBs, SGEs, TPA pool and driver internals */
10376 bnx2x_free_skbs(bp);
10377 for_each_queue(bp, i)
10378 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
10379 bnx2x_free_mem(bp);
10380
10381 bp->state = BNX2X_STATE_CLOSED;
10382
10383 netif_carrier_off(bp->dev);
10384
10385 return 0;
10386}
10387
10388static void bnx2x_eeh_recover(struct bnx2x *bp)
10389{
10390 u32 val;
10391
10392 mutex_init(&bp->port.phy_mutex);
10393
10394 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
10395 bp->link_params.shmem_base = bp->common.shmem_base;
10396 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
10397
10398 if (!bp->common.shmem_base ||
10399 (bp->common.shmem_base < 0xA0000) ||
10400 (bp->common.shmem_base >= 0xC0000)) {
10401 BNX2X_DEV_INFO("MCP not active\n");
10402 bp->flags |= NO_MCP_FLAG;
10403 return;
10404 }
10405
10406 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
10407 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
10408 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
10409 BNX2X_ERR("BAD MCP validity signature\n");
10410
10411 if (!BP_NOMCP(bp)) {
10412 bp->fw_seq = (SHMEM_RD(bp, func_mb[BP_FUNC(bp)].drv_mb_header)
10413 & DRV_MSG_SEQ_NUMBER_MASK);
10414 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
10415 }
10416}
10417
Wendy Xiong493adb12008-06-23 20:36:22 -070010418/**
10419 * bnx2x_io_error_detected - called when PCI error is detected
10420 * @pdev: Pointer to PCI device
10421 * @state: The current pci connection state
10422 *
10423 * This function is called after a PCI bus error affecting
10424 * this device has been detected.
10425 */
10426static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
10427 pci_channel_state_t state)
10428{
10429 struct net_device *dev = pci_get_drvdata(pdev);
10430 struct bnx2x *bp = netdev_priv(dev);
10431
10432 rtnl_lock();
10433
10434 netif_device_detach(dev);
10435
10436 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070010437 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -070010438
10439 pci_disable_device(pdev);
10440
10441 rtnl_unlock();
10442
10443 /* Request a slot reset */
10444 return PCI_ERS_RESULT_NEED_RESET;
10445}
10446
10447/**
10448 * bnx2x_io_slot_reset - called after the PCI bus has been reset
10449 * @pdev: Pointer to PCI device
10450 *
10451 * Restart the card from scratch, as if from a cold-boot.
10452 */
10453static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
10454{
10455 struct net_device *dev = pci_get_drvdata(pdev);
10456 struct bnx2x *bp = netdev_priv(dev);
10457
10458 rtnl_lock();
10459
10460 if (pci_enable_device(pdev)) {
10461 dev_err(&pdev->dev,
10462 "Cannot re-enable PCI device after reset\n");
10463 rtnl_unlock();
10464 return PCI_ERS_RESULT_DISCONNECT;
10465 }
10466
10467 pci_set_master(pdev);
10468 pci_restore_state(pdev);
10469
10470 if (netif_running(dev))
10471 bnx2x_set_power_state(bp, PCI_D0);
10472
10473 rtnl_unlock();
10474
10475 return PCI_ERS_RESULT_RECOVERED;
10476}
10477
10478/**
10479 * bnx2x_io_resume - called when traffic can start flowing again
10480 * @pdev: Pointer to PCI device
10481 *
10482 * This callback is called when the error recovery driver tells us that
10483 * its OK to resume normal operation.
10484 */
10485static void bnx2x_io_resume(struct pci_dev *pdev)
10486{
10487 struct net_device *dev = pci_get_drvdata(pdev);
10488 struct bnx2x *bp = netdev_priv(dev);
10489
10490 rtnl_lock();
10491
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070010492 bnx2x_eeh_recover(bp);
10493
Wendy Xiong493adb12008-06-23 20:36:22 -070010494 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070010495 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -070010496
10497 netif_device_attach(dev);
10498
10499 rtnl_unlock();
10500}
10501
10502static struct pci_error_handlers bnx2x_err_handler = {
10503 .error_detected = bnx2x_io_error_detected,
10504 .slot_reset = bnx2x_io_slot_reset,
10505 .resume = bnx2x_io_resume,
10506};
10507
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010508static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070010509 .name = DRV_MODULE_NAME,
10510 .id_table = bnx2x_pci_tbl,
10511 .probe = bnx2x_init_one,
10512 .remove = __devexit_p(bnx2x_remove_one),
10513 .suspend = bnx2x_suspend,
10514 .resume = bnx2x_resume,
10515 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010516};
10517
10518static int __init bnx2x_init(void)
10519{
10520 return pci_register_driver(&bnx2x_pci_driver);
10521}
10522
10523static void __exit bnx2x_cleanup(void)
10524{
10525 pci_unregister_driver(&bnx2x_pci_driver);
10526}
10527
10528module_init(bnx2x_init);
10529module_exit(bnx2x_cleanup);
10530