blob: 600210d7eff95da4f60840b530f149cec8259e45 [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
1331 bp->dev->last_rx = jiffies;
1332
1333 /* put new skb in bin */
1334 fp->tpa_pool[queue].skb = new_skb;
1335
1336 } else {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001337 /* else drop the packet and keep the buffer in the bin */
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001338 DP(NETIF_MSG_RX_STATUS,
1339 "Failed to allocate new skb - dropping packet!\n");
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001340 bp->eth_stats.rx_skb_alloc_failed++;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001341 }
1342
1343 fp->tpa_state[queue] = BNX2X_TPA_STOP;
1344}
1345
1346static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
1347 struct bnx2x_fastpath *fp,
1348 u16 bd_prod, u16 rx_comp_prod,
1349 u16 rx_sge_prod)
1350{
1351 struct tstorm_eth_rx_producers rx_prods = {0};
1352 int i;
1353
1354 /* Update producers */
1355 rx_prods.bd_prod = bd_prod;
1356 rx_prods.cqe_prod = rx_comp_prod;
1357 rx_prods.sge_prod = rx_sge_prod;
1358
1359 for (i = 0; i < sizeof(struct tstorm_eth_rx_producers)/4; i++)
1360 REG_WR(bp, BAR_TSTRORM_INTMEM +
1361 TSTORM_RX_PRODS_OFFSET(BP_PORT(bp), FP_CL_ID(fp)) + i*4,
1362 ((u32 *)&rx_prods)[i]);
1363
1364 DP(NETIF_MSG_RX_STATUS,
1365 "Wrote: bd_prod %u cqe_prod %u sge_prod %u\n",
1366 bd_prod, rx_comp_prod, rx_sge_prod);
1367}
1368
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001369static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
1370{
1371 struct bnx2x *bp = fp->bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001372 u16 bd_cons, bd_prod, bd_prod_fw, comp_ring_cons;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001373 u16 hw_comp_cons, sw_comp_cons, sw_comp_prod;
1374 int rx_pkt = 0;
1375
1376#ifdef BNX2X_STOP_ON_ERROR
1377 if (unlikely(bp->panic))
1378 return 0;
1379#endif
1380
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001381 /* CQ "next element" is of the size of the regular element,
1382 that's why it's ok here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001383 hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb);
1384 if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
1385 hw_comp_cons++;
1386
1387 bd_cons = fp->rx_bd_cons;
1388 bd_prod = fp->rx_bd_prod;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001389 bd_prod_fw = bd_prod;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001390 sw_comp_cons = fp->rx_comp_cons;
1391 sw_comp_prod = fp->rx_comp_prod;
1392
1393 /* Memory barrier necessary as speculative reads of the rx
1394 * buffer can be ahead of the index in the status block
1395 */
1396 rmb();
1397
1398 DP(NETIF_MSG_RX_STATUS,
1399 "queue[%d]: hw_comp_cons %u sw_comp_cons %u\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001400 FP_IDX(fp), hw_comp_cons, sw_comp_cons);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001401
1402 while (sw_comp_cons != hw_comp_cons) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001403 struct sw_rx_bd *rx_buf = NULL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001404 struct sk_buff *skb;
1405 union eth_rx_cqe *cqe;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001406 u8 cqe_fp_flags;
1407 u16 len, pad;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001408
1409 comp_ring_cons = RCQ_BD(sw_comp_cons);
1410 bd_prod = RX_BD(bd_prod);
1411 bd_cons = RX_BD(bd_cons);
1412
1413 cqe = &fp->rx_comp_ring[comp_ring_cons];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001414 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001415
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001416 DP(NETIF_MSG_RX_STATUS, "CQE type %x err %x status %x"
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001417 " queue %x vlan %x len %u\n", CQE_TYPE(cqe_fp_flags),
1418 cqe_fp_flags, cqe->fast_path_cqe.status_flags,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001419 cqe->fast_path_cqe.rss_hash_result,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001420 le16_to_cpu(cqe->fast_path_cqe.vlan_tag),
1421 le16_to_cpu(cqe->fast_path_cqe.pkt_len));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001422
1423 /* is this a slowpath msg? */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001424 if (unlikely(CQE_TYPE(cqe_fp_flags))) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001425 bnx2x_sp_event(fp, cqe);
1426 goto next_cqe;
1427
1428 /* this is an rx packet */
1429 } else {
1430 rx_buf = &fp->rx_buf_ring[bd_cons];
1431 skb = rx_buf->skb;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001432 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
1433 pad = cqe->fast_path_cqe.placement_offset;
1434
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001435 /* If CQE is marked both TPA_START and TPA_END
1436 it is a non-TPA CQE */
1437 if ((!fp->disable_tpa) &&
1438 (TPA_TYPE(cqe_fp_flags) !=
1439 (TPA_TYPE_START | TPA_TYPE_END))) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07001440 u16 queue = cqe->fast_path_cqe.queue_index;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001441
1442 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_START) {
1443 DP(NETIF_MSG_RX_STATUS,
1444 "calling tpa_start on queue %d\n",
1445 queue);
1446
1447 bnx2x_tpa_start(fp, queue, skb,
1448 bd_cons, bd_prod);
1449 goto next_rx;
1450 }
1451
1452 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_END) {
1453 DP(NETIF_MSG_RX_STATUS,
1454 "calling tpa_stop on queue %d\n",
1455 queue);
1456
1457 if (!BNX2X_RX_SUM_FIX(cqe))
1458 BNX2X_ERR("STOP on none TCP "
1459 "data\n");
1460
1461 /* This is a size of the linear data
1462 on this skb */
1463 len = le16_to_cpu(cqe->fast_path_cqe.
1464 len_on_bd);
1465 bnx2x_tpa_stop(bp, fp, queue, pad,
1466 len, cqe, comp_ring_cons);
1467#ifdef BNX2X_STOP_ON_ERROR
1468 if (bp->panic)
1469 return -EINVAL;
1470#endif
1471
1472 bnx2x_update_sge_prod(fp,
1473 &cqe->fast_path_cqe);
1474 goto next_cqe;
1475 }
1476 }
1477
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001478 pci_dma_sync_single_for_device(bp->pdev,
1479 pci_unmap_addr(rx_buf, mapping),
1480 pad + RX_COPY_THRESH,
1481 PCI_DMA_FROMDEVICE);
1482 prefetch(skb);
1483 prefetch(((char *)(skb)) + 128);
1484
1485 /* is this an error packet? */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001486 if (unlikely(cqe_fp_flags & ETH_RX_ERROR_FALGS)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001487 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001488 "ERROR flags %x rx packet %u\n",
1489 cqe_fp_flags, sw_comp_cons);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001490 bp->eth_stats.rx_err_discard_pkt++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001491 goto reuse_rx;
1492 }
1493
1494 /* Since we don't have a jumbo ring
1495 * copy small packets if mtu > 1500
1496 */
1497 if ((bp->dev->mtu > ETH_MAX_PACKET_SIZE) &&
1498 (len <= RX_COPY_THRESH)) {
1499 struct sk_buff *new_skb;
1500
1501 new_skb = netdev_alloc_skb(bp->dev,
1502 len + pad);
1503 if (new_skb == NULL) {
1504 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001505 "ERROR packet dropped "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001506 "because of alloc failure\n");
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001507 bp->eth_stats.rx_skb_alloc_failed++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001508 goto reuse_rx;
1509 }
1510
1511 /* aligned copy */
1512 skb_copy_from_linear_data_offset(skb, pad,
1513 new_skb->data + pad, len);
1514 skb_reserve(new_skb, pad);
1515 skb_put(new_skb, len);
1516
1517 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1518
1519 skb = new_skb;
1520
1521 } else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) {
1522 pci_unmap_single(bp->pdev,
1523 pci_unmap_addr(rx_buf, mapping),
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07001524 bp->rx_buf_size,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001525 PCI_DMA_FROMDEVICE);
1526 skb_reserve(skb, pad);
1527 skb_put(skb, len);
1528
1529 } else {
1530 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001531 "ERROR packet dropped because "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001532 "of alloc failure\n");
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001533 bp->eth_stats.rx_skb_alloc_failed++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001534reuse_rx:
1535 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1536 goto next_rx;
1537 }
1538
1539 skb->protocol = eth_type_trans(skb, bp->dev);
1540
1541 skb->ip_summed = CHECKSUM_NONE;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001542 if (bp->rx_csum) {
Eilon Greenstein1adcd8b2008-08-13 15:48:29 -07001543 if (likely(BNX2X_RX_CSUM_OK(cqe)))
1544 skb->ip_summed = CHECKSUM_UNNECESSARY;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001545 else
1546 bp->eth_stats.hw_csum_err++;
1547 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001548 }
1549
1550#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001551 if ((bp->vlgrp != NULL) &&
1552 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1553 PARSING_FLAGS_VLAN))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001554 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1555 le16_to_cpu(cqe->fast_path_cqe.vlan_tag));
1556 else
1557#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001558 netif_receive_skb(skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001559
1560 bp->dev->last_rx = jiffies;
1561
1562next_rx:
1563 rx_buf->skb = NULL;
1564
1565 bd_cons = NEXT_RX_IDX(bd_cons);
1566 bd_prod = NEXT_RX_IDX(bd_prod);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001567 bd_prod_fw = NEXT_RX_IDX(bd_prod_fw);
1568 rx_pkt++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001569next_cqe:
1570 sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod);
1571 sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001572
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001573 if (rx_pkt == budget)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001574 break;
1575 } /* while */
1576
1577 fp->rx_bd_cons = bd_cons;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001578 fp->rx_bd_prod = bd_prod_fw;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001579 fp->rx_comp_cons = sw_comp_cons;
1580 fp->rx_comp_prod = sw_comp_prod;
1581
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001582 /* Update producers */
1583 bnx2x_update_rx_prod(bp, fp, bd_prod_fw, sw_comp_prod,
1584 fp->rx_sge_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001585 mmiowb(); /* keep prod updates ordered */
1586
1587 fp->rx_pkt += rx_pkt;
1588 fp->rx_calls++;
1589
1590 return rx_pkt;
1591}
1592
1593static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie)
1594{
1595 struct bnx2x_fastpath *fp = fp_cookie;
1596 struct bnx2x *bp = fp->bp;
1597 struct net_device *dev = bp->dev;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001598 int index = FP_IDX(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001599
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07001600 /* Return here if interrupt is disabled */
1601 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1602 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1603 return IRQ_HANDLED;
1604 }
1605
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001606 DP(BNX2X_MSG_FP, "got an MSI-X interrupt on IDX:SB [%d:%d]\n",
1607 index, FP_SB_ID(fp));
1608 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID, 0, IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001609
1610#ifdef BNX2X_STOP_ON_ERROR
1611 if (unlikely(bp->panic))
1612 return IRQ_HANDLED;
1613#endif
1614
1615 prefetch(fp->rx_cons_sb);
1616 prefetch(fp->tx_cons_sb);
1617 prefetch(&fp->status_blk->c_status_block.status_block_index);
1618 prefetch(&fp->status_blk->u_status_block.status_block_index);
1619
1620 netif_rx_schedule(dev, &bnx2x_fp(bp, index, napi));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001621
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001622 return IRQ_HANDLED;
1623}
1624
1625static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
1626{
1627 struct net_device *dev = dev_instance;
1628 struct bnx2x *bp = netdev_priv(dev);
1629 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001630 u16 mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001631
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001632 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001633 if (unlikely(status == 0)) {
1634 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1635 return IRQ_NONE;
1636 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001637 DP(NETIF_MSG_INTR, "got an interrupt status %u\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001638
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001639 /* Return here if interrupt is disabled */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001640 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1641 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1642 return IRQ_HANDLED;
1643 }
1644
Eilon Greenstein3196a882008-08-13 15:58:49 -07001645#ifdef BNX2X_STOP_ON_ERROR
1646 if (unlikely(bp->panic))
1647 return IRQ_HANDLED;
1648#endif
1649
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001650 mask = 0x2 << bp->fp[0].sb_id;
1651 if (status & mask) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001652 struct bnx2x_fastpath *fp = &bp->fp[0];
1653
1654 prefetch(fp->rx_cons_sb);
1655 prefetch(fp->tx_cons_sb);
1656 prefetch(&fp->status_blk->c_status_block.status_block_index);
1657 prefetch(&fp->status_blk->u_status_block.status_block_index);
1658
1659 netif_rx_schedule(dev, &bnx2x_fp(bp, 0, napi));
1660
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001661 status &= ~mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001662 }
1663
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001664
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001665 if (unlikely(status & 0x1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001666 schedule_work(&bp->sp_task);
1667
1668 status &= ~0x1;
1669 if (!status)
1670 return IRQ_HANDLED;
1671 }
1672
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001673 if (status)
1674 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status %u)\n",
1675 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001676
1677 return IRQ_HANDLED;
1678}
1679
1680/* end of fast path */
1681
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07001682static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001683
1684/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001685
1686/*
1687 * General service functions
1688 */
1689
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001690static int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001691{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001692 u32 lock_status;
1693 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001694 int func = BP_FUNC(bp);
1695 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001696 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001697
1698 /* Validating that the resource is within range */
1699 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1700 DP(NETIF_MSG_HW,
1701 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1702 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1703 return -EINVAL;
1704 }
1705
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001706 if (func <= 5) {
1707 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1708 } else {
1709 hw_lock_control_reg =
1710 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1711 }
1712
Eliezer Tamirf1410642008-02-28 11:51:50 -08001713 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001714 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001715 if (lock_status & resource_bit) {
1716 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1717 lock_status, resource_bit);
1718 return -EEXIST;
1719 }
1720
Eilon Greenstein46230476b2008-08-25 15:23:30 -07001721 /* Try for 5 second every 5ms */
1722 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001723 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001724 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1725 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001726 if (lock_status & resource_bit)
1727 return 0;
1728
1729 msleep(5);
1730 }
1731 DP(NETIF_MSG_HW, "Timeout\n");
1732 return -EAGAIN;
1733}
1734
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001735static int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001736{
1737 u32 lock_status;
1738 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001739 int func = BP_FUNC(bp);
1740 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001741
1742 /* Validating that the resource is within range */
1743 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1744 DP(NETIF_MSG_HW,
1745 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1746 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1747 return -EINVAL;
1748 }
1749
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001750 if (func <= 5) {
1751 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1752 } else {
1753 hw_lock_control_reg =
1754 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1755 }
1756
Eliezer Tamirf1410642008-02-28 11:51:50 -08001757 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001758 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001759 if (!(lock_status & resource_bit)) {
1760 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1761 lock_status, resource_bit);
1762 return -EFAULT;
1763 }
1764
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001765 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001766 return 0;
1767}
1768
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001769/* HW Lock for shared dual port PHYs */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001770static void bnx2x_acquire_phy_lock(struct bnx2x *bp)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001771{
1772 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1773
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001774 mutex_lock(&bp->port.phy_mutex);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001775
1776 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1777 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001778 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001779}
1780
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001781static void bnx2x_release_phy_lock(struct bnx2x *bp)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001782{
1783 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1784
1785 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1786 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001787 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001788
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001789 mutex_unlock(&bp->port.phy_mutex);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001790}
1791
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001792int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001793{
1794 /* The GPIO should be swapped if swap register is set and active */
1795 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001796 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001797 int gpio_shift = gpio_num +
1798 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1799 u32 gpio_mask = (1 << gpio_shift);
1800 u32 gpio_reg;
1801
1802 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1803 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1804 return -EINVAL;
1805 }
1806
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001807 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001808 /* read GPIO and mask except the float bits */
1809 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1810
1811 switch (mode) {
1812 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1813 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1814 gpio_num, gpio_shift);
1815 /* clear FLOAT and set CLR */
1816 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1817 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1818 break;
1819
1820 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1821 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1822 gpio_num, gpio_shift);
1823 /* clear FLOAT and set SET */
1824 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1825 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1826 break;
1827
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001828 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001829 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1830 gpio_num, gpio_shift);
1831 /* set FLOAT */
1832 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1833 break;
1834
1835 default:
1836 break;
1837 }
1838
1839 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001840 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001841
1842 return 0;
1843}
1844
1845static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1846{
1847 u32 spio_mask = (1 << spio_num);
1848 u32 spio_reg;
1849
1850 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1851 (spio_num > MISC_REGISTERS_SPIO_7)) {
1852 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1853 return -EINVAL;
1854 }
1855
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001856 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001857 /* read SPIO and mask except the float bits */
1858 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1859
1860 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07001861 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001862 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1863 /* clear FLOAT and set CLR */
1864 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1865 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1866 break;
1867
Eilon Greenstein6378c022008-08-13 15:59:25 -07001868 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001869 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1870 /* clear FLOAT and set SET */
1871 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1872 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1873 break;
1874
1875 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1876 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1877 /* set FLOAT */
1878 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1879 break;
1880
1881 default:
1882 break;
1883 }
1884
1885 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001886 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001887
1888 return 0;
1889}
1890
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001891static void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001892{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001893 switch (bp->link_vars.ieee_fc) {
1894 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001895 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001896 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001897 break;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001898 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001899 bp->port.advertising |= (ADVERTISED_Asym_Pause |
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001900 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001901 break;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001902 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001903 bp->port.advertising |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001904 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001905 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001906 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001907 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001908 break;
1909 }
1910}
1911
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001912static void bnx2x_link_report(struct bnx2x *bp)
1913{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001914 if (bp->link_vars.link_up) {
1915 if (bp->state == BNX2X_STATE_OPEN)
1916 netif_carrier_on(bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001917 printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
1918
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001919 printk("%d Mbps ", bp->link_vars.line_speed);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001920
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001921 if (bp->link_vars.duplex == DUPLEX_FULL)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001922 printk("full duplex");
1923 else
1924 printk("half duplex");
1925
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001926 if (bp->link_vars.flow_ctrl != FLOW_CTRL_NONE) {
1927 if (bp->link_vars.flow_ctrl & FLOW_CTRL_RX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001928 printk(", receive ");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001929 if (bp->link_vars.flow_ctrl & FLOW_CTRL_TX)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001930 printk("& transmit ");
1931 } else {
1932 printk(", transmit ");
1933 }
1934 printk("flow control ON");
1935 }
1936 printk("\n");
1937
1938 } else { /* link_down */
1939 netif_carrier_off(bp->dev);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001940 printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001941 }
1942}
1943
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001944static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001945{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001946 if (!BP_NOMCP(bp)) {
1947 u8 rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001948
Eilon Greenstein19680c42008-08-13 15:47:33 -07001949 /* Initialize link parameters structure variables */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001950 /* It is recommended to turn off RX FC for jumbo frames
1951 for better performance */
1952 if (IS_E1HMF(bp))
1953 bp->link_params.req_fc_auto_adv = FLOW_CTRL_BOTH;
1954 else if (bp->dev->mtu > 5000)
1955 bp->link_params.req_fc_auto_adv = FLOW_CTRL_TX;
1956 else
1957 bp->link_params.req_fc_auto_adv = FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001958
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001959 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001960 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001961 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001962
Eilon Greenstein19680c42008-08-13 15:47:33 -07001963 if (bp->link_vars.link_up)
1964 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001965
Eilon Greenstein19680c42008-08-13 15:47:33 -07001966 bnx2x_calc_fc_adv(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001967
Eilon Greenstein19680c42008-08-13 15:47:33 -07001968 return rc;
1969 }
1970 BNX2X_ERR("Bootcode is missing -not initializing link\n");
1971 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001972}
1973
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001974static void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001975{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001976 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001977 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001978 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001979 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001980
Eilon Greenstein19680c42008-08-13 15:47:33 -07001981 bnx2x_calc_fc_adv(bp);
1982 } else
1983 BNX2X_ERR("Bootcode is missing -not setting link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001984}
1985
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001986static void bnx2x__link_reset(struct bnx2x *bp)
1987{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001988 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001989 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001990 bnx2x_link_reset(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001991 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001992 } else
1993 BNX2X_ERR("Bootcode is missing -not resetting link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001994}
1995
1996static u8 bnx2x_link_test(struct bnx2x *bp)
1997{
1998 u8 rc;
1999
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002000 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002001 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002002 bnx2x_release_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002003
2004 return rc;
2005}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002006
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002007/* Calculates the sum of vn_min_rates.
2008 It's needed for further normalizing of the min_rates.
2009
2010 Returns:
2011 sum of vn_min_rates
2012 or
2013 0 - if all the min_rates are 0.
Eilon Greenstein33471622008-08-13 15:59:08 -07002014 In the later case fairness algorithm should be deactivated.
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002015 If not all min_rates are zero then those that are zeroes will
2016 be set to 1.
2017 */
2018static u32 bnx2x_calc_vn_wsum(struct bnx2x *bp)
2019{
2020 int i, port = BP_PORT(bp);
2021 u32 wsum = 0;
2022 int all_zero = 1;
2023
2024 for (i = 0; i < E1HVN_MAX; i++) {
2025 u32 vn_cfg =
2026 SHMEM_RD(bp, mf_cfg.func_mf_config[2*i + port].config);
2027 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2028 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2029 if (!(vn_cfg & FUNC_MF_CFG_FUNC_HIDE)) {
2030 /* If min rate is zero - set it to 1 */
2031 if (!vn_min_rate)
2032 vn_min_rate = DEF_MIN_RATE;
2033 else
2034 all_zero = 0;
2035
2036 wsum += vn_min_rate;
2037 }
2038 }
2039
2040 /* ... only if all min rates are zeros - disable FAIRNESS */
2041 if (all_zero)
2042 return 0;
2043
2044 return wsum;
2045}
2046
2047static void bnx2x_init_port_minmax(struct bnx2x *bp,
2048 int en_fness,
2049 u16 port_rate,
2050 struct cmng_struct_per_port *m_cmng_port)
2051{
2052 u32 r_param = port_rate / 8;
2053 int port = BP_PORT(bp);
2054 int i;
2055
2056 memset(m_cmng_port, 0, sizeof(struct cmng_struct_per_port));
2057
2058 /* Enable minmax only if we are in e1hmf mode */
2059 if (IS_E1HMF(bp)) {
2060 u32 fair_periodic_timeout_usec;
2061 u32 t_fair;
2062
2063 /* Enable rate shaping and fairness */
2064 m_cmng_port->flags.cmng_vn_enable = 1;
2065 m_cmng_port->flags.fairness_enable = en_fness ? 1 : 0;
2066 m_cmng_port->flags.rate_shaping_enable = 1;
2067
2068 if (!en_fness)
2069 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2070 " fairness will be disabled\n");
2071
2072 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
2073 m_cmng_port->rs_vars.rs_periodic_timeout =
2074 RS_PERIODIC_TIMEOUT_USEC / 4;
2075
2076 /* this is the threshold below which no timer arming will occur
2077 1.25 coefficient is for the threshold to be a little bigger
2078 than the real time, to compensate for timer in-accuracy */
2079 m_cmng_port->rs_vars.rs_threshold =
2080 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
2081
2082 /* resolution of fairness timer */
2083 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
2084 /* for 10G it is 1000usec. for 1G it is 10000usec. */
2085 t_fair = T_FAIR_COEF / port_rate;
2086
2087 /* this is the threshold below which we won't arm
2088 the timer anymore */
2089 m_cmng_port->fair_vars.fair_threshold = QM_ARB_BYTES;
2090
2091 /* we multiply by 1e3/8 to get bytes/msec.
2092 We don't want the credits to pass a credit
2093 of the T_FAIR*FAIR_MEM (algorithm resolution) */
2094 m_cmng_port->fair_vars.upper_bound =
2095 r_param * t_fair * FAIR_MEM;
2096 /* since each tick is 4 usec */
2097 m_cmng_port->fair_vars.fairness_timeout =
2098 fair_periodic_timeout_usec / 4;
2099
2100 } else {
2101 /* Disable rate shaping and fairness */
2102 m_cmng_port->flags.cmng_vn_enable = 0;
2103 m_cmng_port->flags.fairness_enable = 0;
2104 m_cmng_port->flags.rate_shaping_enable = 0;
2105
2106 DP(NETIF_MSG_IFUP,
2107 "Single function mode minmax will be disabled\n");
2108 }
2109
2110 /* Store it to internal memory */
2111 for (i = 0; i < sizeof(struct cmng_struct_per_port) / 4; i++)
2112 REG_WR(bp, BAR_XSTRORM_INTMEM +
2113 XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i * 4,
2114 ((u32 *)(m_cmng_port))[i]);
2115}
2116
2117static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func,
2118 u32 wsum, u16 port_rate,
2119 struct cmng_struct_per_port *m_cmng_port)
2120{
2121 struct rate_shaping_vars_per_vn m_rs_vn;
2122 struct fairness_vars_per_vn m_fair_vn;
2123 u32 vn_cfg = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
2124 u16 vn_min_rate, vn_max_rate;
2125 int i;
2126
2127 /* If function is hidden - set min and max to zeroes */
2128 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
2129 vn_min_rate = 0;
2130 vn_max_rate = 0;
2131
2132 } else {
2133 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2134 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2135 /* If FAIRNESS is enabled (not all min rates are zeroes) and
2136 if current min rate is zero - set it to 1.
Eilon Greenstein33471622008-08-13 15:59:08 -07002137 This is a requirement of the algorithm. */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002138 if ((vn_min_rate == 0) && wsum)
2139 vn_min_rate = DEF_MIN_RATE;
2140 vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
2141 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
2142 }
2143
2144 DP(NETIF_MSG_IFUP, "func %d: vn_min_rate=%d vn_max_rate=%d "
2145 "wsum=%d\n", func, vn_min_rate, vn_max_rate, wsum);
2146
2147 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
2148 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
2149
2150 /* global vn counter - maximal Mbps for this vn */
2151 m_rs_vn.vn_counter.rate = vn_max_rate;
2152
2153 /* quota - number of bytes transmitted in this period */
2154 m_rs_vn.vn_counter.quota =
2155 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2156
2157#ifdef BNX2X_PER_PROT_QOS
2158 /* per protocol counter */
2159 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++) {
2160 /* maximal Mbps for this protocol */
2161 m_rs_vn.protocol_counters[protocol].rate =
2162 protocol_max_rate[protocol];
2163 /* the quota in each timer period -
2164 number of bytes transmitted in this period */
2165 m_rs_vn.protocol_counters[protocol].quota =
2166 (u32)(rs_periodic_timeout_usec *
2167 ((double)m_rs_vn.
2168 protocol_counters[protocol].rate/8));
2169 }
2170#endif
2171
2172 if (wsum) {
2173 /* credit for each period of the fairness algorithm:
2174 number of bytes in T_FAIR (the vn share the port rate).
2175 wsum should not be larger than 10000, thus
2176 T_FAIR_COEF / (8 * wsum) will always be grater than zero */
2177 m_fair_vn.vn_credit_delta =
2178 max((u64)(vn_min_rate * (T_FAIR_COEF / (8 * wsum))),
2179 (u64)(m_cmng_port->fair_vars.fair_threshold * 2));
2180 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta=%d\n",
2181 m_fair_vn.vn_credit_delta);
2182 }
2183
2184#ifdef BNX2X_PER_PROT_QOS
2185 do {
2186 u32 protocolWeightSum = 0;
2187
2188 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++)
2189 protocolWeightSum +=
2190 drvInit.protocol_min_rate[protocol];
2191 /* per protocol counter -
2192 NOT NEEDED IF NO PER-PROTOCOL CONGESTION MANAGEMENT */
2193 if (protocolWeightSum > 0) {
2194 for (protocol = 0;
2195 protocol < NUM_OF_PROTOCOLS; protocol++)
2196 /* credit for each period of the
2197 fairness algorithm - number of bytes in
2198 T_FAIR (the protocol share the vn rate) */
2199 m_fair_vn.protocol_credit_delta[protocol] =
2200 (u32)((vn_min_rate / 8) * t_fair *
2201 protocol_min_rate / protocolWeightSum);
2202 }
2203 } while (0);
2204#endif
2205
2206 /* Store it to internal memory */
2207 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2208 REG_WR(bp, BAR_XSTRORM_INTMEM +
2209 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2210 ((u32 *)(&m_rs_vn))[i]);
2211
2212 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2213 REG_WR(bp, BAR_XSTRORM_INTMEM +
2214 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2215 ((u32 *)(&m_fair_vn))[i]);
2216}
2217
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002218/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002219static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002220{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002221 int vn;
2222
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002223 /* Make sure that we are synced with the current statistics */
2224 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2225
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002226 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002227 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002228 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002229
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002230 if (bp->link_vars.link_up) {
2231
2232 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2233 struct host_port_stats *pstats;
2234
2235 pstats = bnx2x_sp(bp, port_stats);
2236 /* reset old bmac stats */
2237 memset(&(pstats->mac_stx[0]), 0,
2238 sizeof(struct mac_stx));
2239 }
2240 if ((bp->state == BNX2X_STATE_OPEN) ||
2241 (bp->state == BNX2X_STATE_DISABLED))
2242 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2243 }
2244
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002245 /* indicate link status */
2246 bnx2x_link_report(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002247
2248 if (IS_E1HMF(bp)) {
2249 int func;
2250
2251 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2252 if (vn == BP_E1HVN(bp))
2253 continue;
2254
2255 func = ((vn << 1) | BP_PORT(bp));
2256
2257 /* Set the attention towards other drivers
2258 on the same port */
2259 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2260 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2261 }
2262 }
2263
2264 if (CHIP_IS_E1H(bp) && (bp->link_vars.line_speed > 0)) {
2265 struct cmng_struct_per_port m_cmng_port;
2266 u32 wsum;
2267 int port = BP_PORT(bp);
2268
2269 /* Init RATE SHAPING and FAIRNESS contexts */
2270 wsum = bnx2x_calc_vn_wsum(bp);
2271 bnx2x_init_port_minmax(bp, (int)wsum,
2272 bp->link_vars.line_speed,
2273 &m_cmng_port);
2274 if (IS_E1HMF(bp))
2275 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2276 bnx2x_init_vn_minmax(bp, 2*vn + port,
2277 wsum, bp->link_vars.line_speed,
2278 &m_cmng_port);
2279 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002280}
2281
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002282static void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002283{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002284 if (bp->state != BNX2X_STATE_OPEN)
2285 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002286
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002287 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2288
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002289 if (bp->link_vars.link_up)
2290 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2291 else
2292 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2293
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002294 /* indicate link status */
2295 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002296}
2297
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002298static void bnx2x_pmf_update(struct bnx2x *bp)
2299{
2300 int port = BP_PORT(bp);
2301 u32 val;
2302
2303 bp->port.pmf = 1;
2304 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2305
2306 /* enable nig attention */
2307 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
2308 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2309 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002310
2311 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002312}
2313
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002314/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002315
2316/* slow path */
2317
2318/*
2319 * General service functions
2320 */
2321
2322/* the slow path queue is odd since completions arrive on the fastpath ring */
2323static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
2324 u32 data_hi, u32 data_lo, int common)
2325{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002326 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002327
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002328 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
2329 "SPQE (%x:%x) command %d hw_cid %x data (%x:%x) left %x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002330 (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) +
2331 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
2332 HW_CID(bp, cid), data_hi, data_lo, bp->spq_left);
2333
2334#ifdef BNX2X_STOP_ON_ERROR
2335 if (unlikely(bp->panic))
2336 return -EIO;
2337#endif
2338
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002339 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002340
2341 if (!bp->spq_left) {
2342 BNX2X_ERR("BUG! SPQ ring full!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002343 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002344 bnx2x_panic();
2345 return -EBUSY;
2346 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08002347
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002348 /* CID needs port number to be encoded int it */
2349 bp->spq_prod_bd->hdr.conn_and_cmd_data =
2350 cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) |
2351 HW_CID(bp, cid)));
2352 bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE);
2353 if (common)
2354 bp->spq_prod_bd->hdr.type |=
2355 cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT));
2356
2357 bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi);
2358 bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo);
2359
2360 bp->spq_left--;
2361
2362 if (bp->spq_prod_bd == bp->spq_last_bd) {
2363 bp->spq_prod_bd = bp->spq;
2364 bp->spq_prod_idx = 0;
2365 DP(NETIF_MSG_TIMER, "end of spq\n");
2366
2367 } else {
2368 bp->spq_prod_bd++;
2369 bp->spq_prod_idx++;
2370 }
2371
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002372 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002373 bp->spq_prod_idx);
2374
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002375 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002376 return 0;
2377}
2378
2379/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002380static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002381{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002382 u32 i, j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002383 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002384
2385 might_sleep();
2386 i = 100;
2387 for (j = 0; j < i*10; j++) {
2388 val = (1UL << 31);
2389 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2390 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2391 if (val & (1L << 31))
2392 break;
2393
2394 msleep(5);
2395 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002396 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07002397 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002398 rc = -EBUSY;
2399 }
2400
2401 return rc;
2402}
2403
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002404/* release split MCP access lock register */
2405static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002406{
2407 u32 val = 0;
2408
2409 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2410}
2411
2412static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2413{
2414 struct host_def_status_block *def_sb = bp->def_status_blk;
2415 u16 rc = 0;
2416
2417 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002418 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2419 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
2420 rc |= 1;
2421 }
2422 if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) {
2423 bp->def_c_idx = def_sb->c_def_status_block.status_block_index;
2424 rc |= 2;
2425 }
2426 if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) {
2427 bp->def_u_idx = def_sb->u_def_status_block.status_block_index;
2428 rc |= 4;
2429 }
2430 if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) {
2431 bp->def_x_idx = def_sb->x_def_status_block.status_block_index;
2432 rc |= 8;
2433 }
2434 if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) {
2435 bp->def_t_idx = def_sb->t_def_status_block.status_block_index;
2436 rc |= 16;
2437 }
2438 return rc;
2439}
2440
2441/*
2442 * slow path service functions
2443 */
2444
2445static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2446{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002447 int port = BP_PORT(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07002448 u32 hc_addr = (HC_REG_COMMAND_REG + port*32 +
2449 COMMAND_REG_ATTN_BITS_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002450 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2451 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002452 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2453 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002454 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002455
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002456 if (bp->attn_state & asserted)
2457 BNX2X_ERR("IGU ERROR\n");
2458
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002459 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2460 aeu_mask = REG_RD(bp, aeu_addr);
2461
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002462 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002463 aeu_mask, asserted);
2464 aeu_mask &= ~(asserted & 0xff);
2465 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002466
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002467 REG_WR(bp, aeu_addr, aeu_mask);
2468 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002469
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002470 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002471 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002472 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002473
2474 if (asserted & ATTN_HARD_WIRED_MASK) {
2475 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002476
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002477 /* save nig interrupt mask */
2478 bp->nig_mask = REG_RD(bp, nig_int_mask_addr);
2479 REG_WR(bp, nig_int_mask_addr, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002480
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002481 bnx2x_link_attn(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002482
2483 /* handle unicore attn? */
2484 }
2485 if (asserted & ATTN_SW_TIMER_4_FUNC)
2486 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2487
2488 if (asserted & GPIO_2_FUNC)
2489 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2490
2491 if (asserted & GPIO_3_FUNC)
2492 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2493
2494 if (asserted & GPIO_4_FUNC)
2495 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2496
2497 if (port == 0) {
2498 if (asserted & ATTN_GENERAL_ATTN_1) {
2499 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2500 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2501 }
2502 if (asserted & ATTN_GENERAL_ATTN_2) {
2503 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2504 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2505 }
2506 if (asserted & ATTN_GENERAL_ATTN_3) {
2507 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2508 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2509 }
2510 } else {
2511 if (asserted & ATTN_GENERAL_ATTN_4) {
2512 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2513 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2514 }
2515 if (asserted & ATTN_GENERAL_ATTN_5) {
2516 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2517 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2518 }
2519 if (asserted & ATTN_GENERAL_ATTN_6) {
2520 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2521 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2522 }
2523 }
2524
2525 } /* if hardwired */
2526
Eilon Greenstein5c862842008-08-13 15:51:48 -07002527 DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2528 asserted, hc_addr);
2529 REG_WR(bp, hc_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002530
2531 /* now set back the mask */
2532 if (asserted & ATTN_NIG_FOR_FUNC)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002533 REG_WR(bp, nig_int_mask_addr, bp->nig_mask);
2534}
2535
2536static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2537{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002538 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002539 int reg_offset;
2540 u32 val;
2541
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002542 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2543 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002544
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002545 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002546
2547 val = REG_RD(bp, reg_offset);
2548 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2549 REG_WR(bp, reg_offset, val);
2550
2551 BNX2X_ERR("SPIO5 hw attention\n");
2552
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002553 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
Eilon Greenstein7add9052008-08-25 15:20:48 -07002554 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002555 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
2556 /* Fan failure attention */
2557
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002558 /* The PHY reset is controlled by GPIO 1 */
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002559 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002560 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
2561 /* Low power mode is controlled by GPIO 2 */
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002562 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002563 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002564 /* mark the failure */
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_MASK;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002567 bp->link_params.ext_phy_config |=
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002568 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
2569 SHMEM_WR(bp,
2570 dev_info.port_hw_config[port].
2571 external_phy_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002572 bp->link_params.ext_phy_config);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002573 /* log the failure */
2574 printk(KERN_ERR PFX "Fan Failure on Network"
2575 " Controller %s has caused the driver to"
2576 " shutdown the card to prevent permanent"
2577 " damage. Please contact Dell Support for"
2578 " assistance\n", bp->dev->name);
2579 break;
2580
2581 default:
2582 break;
2583 }
2584 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002585
2586 if (attn & HW_INTERRUT_ASSERT_SET_0) {
2587
2588 val = REG_RD(bp, reg_offset);
2589 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
2590 REG_WR(bp, reg_offset, val);
2591
2592 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
2593 (attn & HW_INTERRUT_ASSERT_SET_0));
2594 bnx2x_panic();
2595 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002596}
2597
2598static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
2599{
2600 u32 val;
2601
2602 if (attn & BNX2X_DOORQ_ASSERT) {
2603
2604 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
2605 BNX2X_ERR("DB hw attention 0x%x\n", val);
2606 /* DORQ discard attention */
2607 if (val & 0x2)
2608 BNX2X_ERR("FATAL error from DORQ\n");
2609 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002610
2611 if (attn & HW_INTERRUT_ASSERT_SET_1) {
2612
2613 int port = BP_PORT(bp);
2614 int reg_offset;
2615
2616 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
2617 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
2618
2619 val = REG_RD(bp, reg_offset);
2620 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
2621 REG_WR(bp, reg_offset, val);
2622
2623 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
2624 (attn & HW_INTERRUT_ASSERT_SET_1));
2625 bnx2x_panic();
2626 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002627}
2628
2629static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
2630{
2631 u32 val;
2632
2633 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
2634
2635 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
2636 BNX2X_ERR("CFC hw attention 0x%x\n", val);
2637 /* CFC error attention */
2638 if (val & 0x2)
2639 BNX2X_ERR("FATAL error from CFC\n");
2640 }
2641
2642 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
2643
2644 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
2645 BNX2X_ERR("PXP hw attention 0x%x\n", val);
2646 /* RQ_USDMDP_FIFO_OVERFLOW */
2647 if (val & 0x18000)
2648 BNX2X_ERR("FATAL error from PXP\n");
2649 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002650
2651 if (attn & HW_INTERRUT_ASSERT_SET_2) {
2652
2653 int port = BP_PORT(bp);
2654 int reg_offset;
2655
2656 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
2657 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
2658
2659 val = REG_RD(bp, reg_offset);
2660 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
2661 REG_WR(bp, reg_offset, val);
2662
2663 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
2664 (attn & HW_INTERRUT_ASSERT_SET_2));
2665 bnx2x_panic();
2666 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002667}
2668
2669static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
2670{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002671 u32 val;
2672
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002673 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
2674
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002675 if (attn & BNX2X_PMF_LINK_ASSERT) {
2676 int func = BP_FUNC(bp);
2677
2678 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
2679 bnx2x__link_status_update(bp);
2680 if (SHMEM_RD(bp, func_mb[func].drv_status) &
2681 DRV_STATUS_PMF)
2682 bnx2x_pmf_update(bp);
2683
2684 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002685
2686 BNX2X_ERR("MC assert!\n");
2687 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
2688 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
2689 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
2690 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
2691 bnx2x_panic();
2692
2693 } else if (attn & BNX2X_MCP_ASSERT) {
2694
2695 BNX2X_ERR("MCP assert!\n");
2696 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002697 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002698
2699 } else
2700 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
2701 }
2702
2703 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002704 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
2705 if (attn & BNX2X_GRC_TIMEOUT) {
2706 val = CHIP_IS_E1H(bp) ?
2707 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN) : 0;
2708 BNX2X_ERR("GRC time-out 0x%08x\n", val);
2709 }
2710 if (attn & BNX2X_GRC_RSV) {
2711 val = CHIP_IS_E1H(bp) ?
2712 REG_RD(bp, MISC_REG_GRC_RSV_ATTN) : 0;
2713 BNX2X_ERR("GRC reserved 0x%08x\n", val);
2714 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002715 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002716 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002717}
2718
2719static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
2720{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002721 struct attn_route attn;
2722 struct attn_route group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002723 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002724 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002725 u32 reg_addr;
2726 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002727 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002728
2729 /* need to take HW lock because MCP or other port might also
2730 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002731 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002732
2733 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
2734 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
2735 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
2736 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002737 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x\n",
2738 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002739
2740 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
2741 if (deasserted & (1 << index)) {
2742 group_mask = bp->attn_group[index];
2743
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002744 DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x\n",
2745 index, group_mask.sig[0], group_mask.sig[1],
2746 group_mask.sig[2], group_mask.sig[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002747
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002748 bnx2x_attn_int_deasserted3(bp,
2749 attn.sig[3] & group_mask.sig[3]);
2750 bnx2x_attn_int_deasserted1(bp,
2751 attn.sig[1] & group_mask.sig[1]);
2752 bnx2x_attn_int_deasserted2(bp,
2753 attn.sig[2] & group_mask.sig[2]);
2754 bnx2x_attn_int_deasserted0(bp,
2755 attn.sig[0] & group_mask.sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002756
2757 if ((attn.sig[0] & group_mask.sig[0] &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002758 HW_PRTY_ASSERT_SET_0) ||
2759 (attn.sig[1] & group_mask.sig[1] &
2760 HW_PRTY_ASSERT_SET_1) ||
2761 (attn.sig[2] & group_mask.sig[2] &
2762 HW_PRTY_ASSERT_SET_2))
Eilon Greenstein6378c022008-08-13 15:59:25 -07002763 BNX2X_ERR("FATAL HW block parity attention\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002764 }
2765 }
2766
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002767 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002768
Eilon Greenstein5c862842008-08-13 15:51:48 -07002769 reg_addr = (HC_REG_COMMAND_REG + port*32 + COMMAND_REG_ATTN_BITS_CLR);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002770
2771 val = ~deasserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002772 DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2773 val, reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07002774 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002775
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002776 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002777 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002778
2779 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2780 MISC_REG_AEU_MASK_ATTN_FUNC_0;
2781
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002782 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2783 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002784
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002785 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
2786 aeu_mask, deasserted);
2787 aeu_mask |= (deasserted & 0xff);
2788 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
2789
2790 REG_WR(bp, reg_addr, aeu_mask);
2791 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002792
2793 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2794 bp->attn_state &= ~deasserted;
2795 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2796}
2797
2798static void bnx2x_attn_int(struct bnx2x *bp)
2799{
2800 /* read local copy of bits */
2801 u32 attn_bits = bp->def_status_blk->atten_status_block.attn_bits;
2802 u32 attn_ack = bp->def_status_blk->atten_status_block.attn_bits_ack;
2803 u32 attn_state = bp->attn_state;
2804
2805 /* look for changed bits */
2806 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
2807 u32 deasserted = ~attn_bits & attn_ack & attn_state;
2808
2809 DP(NETIF_MSG_HW,
2810 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
2811 attn_bits, attn_ack, asserted, deasserted);
2812
2813 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002814 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002815
2816 /* handle bits that were raised */
2817 if (asserted)
2818 bnx2x_attn_int_asserted(bp, asserted);
2819
2820 if (deasserted)
2821 bnx2x_attn_int_deasserted(bp, deasserted);
2822}
2823
2824static void bnx2x_sp_task(struct work_struct *work)
2825{
2826 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task);
2827 u16 status;
2828
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002829
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002830 /* Return here if interrupt is disabled */
2831 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07002832 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002833 return;
2834 }
2835
2836 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002837/* if (status == 0) */
2838/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002839
Eilon Greenstein3196a882008-08-13 15:58:49 -07002840 DP(NETIF_MSG_INTR, "got a slowpath interrupt (updated %x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002841
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002842 /* HW attentions */
2843 if (status & 0x1)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002844 bnx2x_attn_int(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002845
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002846 /* CStorm events: query_stats, port delete ramrod */
2847 if (status & 0x2)
2848 bp->stats_pending = 0;
2849
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002850 bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, bp->def_att_idx,
2851 IGU_INT_NOP, 1);
2852 bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx),
2853 IGU_INT_NOP, 1);
2854 bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx),
2855 IGU_INT_NOP, 1);
2856 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx),
2857 IGU_INT_NOP, 1);
2858 bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx),
2859 IGU_INT_ENABLE, 1);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002860
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002861}
2862
2863static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
2864{
2865 struct net_device *dev = dev_instance;
2866 struct bnx2x *bp = netdev_priv(dev);
2867
2868 /* Return here if interrupt is disabled */
2869 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07002870 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002871 return IRQ_HANDLED;
2872 }
2873
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002874 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, 0, IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002875
2876#ifdef BNX2X_STOP_ON_ERROR
2877 if (unlikely(bp->panic))
2878 return IRQ_HANDLED;
2879#endif
2880
2881 schedule_work(&bp->sp_task);
2882
2883 return IRQ_HANDLED;
2884}
2885
2886/* end of slow path */
2887
2888/* Statistics */
2889
2890/****************************************************************************
2891* Macros
2892****************************************************************************/
2893
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002894/* sum[hi:lo] += add[hi:lo] */
2895#define ADD_64(s_hi, a_hi, s_lo, a_lo) \
2896 do { \
2897 s_lo += a_lo; \
2898 s_hi += a_hi + (s_lo < a_lo) ? 1 : 0; \
2899 } while (0)
2900
2901/* difference = minuend - subtrahend */
2902#define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
2903 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002904 if (m_lo < s_lo) { \
2905 /* underflow */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002906 d_hi = m_hi - s_hi; \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002907 if (d_hi > 0) { \
Eilon Greenstein6378c022008-08-13 15:59:25 -07002908 /* we can 'loan' 1 */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002909 d_hi--; \
2910 d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002911 } else { \
Eilon Greenstein6378c022008-08-13 15:59:25 -07002912 /* m_hi <= s_hi */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002913 d_hi = 0; \
2914 d_lo = 0; \
2915 } \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002916 } else { \
2917 /* m_lo >= s_lo */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002918 if (m_hi < s_hi) { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002919 d_hi = 0; \
2920 d_lo = 0; \
2921 } else { \
Eilon Greenstein6378c022008-08-13 15:59:25 -07002922 /* m_hi >= s_hi */ \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002923 d_hi = m_hi - s_hi; \
2924 d_lo = m_lo - s_lo; \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002925 } \
2926 } \
2927 } while (0)
2928
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002929#define UPDATE_STAT64(s, t) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002930 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002931 DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
2932 diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
2933 pstats->mac_stx[0].t##_hi = new->s##_hi; \
2934 pstats->mac_stx[0].t##_lo = new->s##_lo; \
2935 ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
2936 pstats->mac_stx[1].t##_lo, diff.lo); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002937 } while (0)
2938
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002939#define UPDATE_STAT64_NIG(s, t) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002940 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002941 DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
2942 diff.lo, new->s##_lo, old->s##_lo); \
2943 ADD_64(estats->t##_hi, diff.hi, \
2944 estats->t##_lo, diff.lo); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002945 } while (0)
2946
2947/* sum[hi:lo] += add */
2948#define ADD_EXTEND_64(s_hi, s_lo, a) \
2949 do { \
2950 s_lo += a; \
2951 s_hi += (s_lo < a) ? 1 : 0; \
2952 } while (0)
2953
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002954#define UPDATE_EXTEND_STAT(s) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002955 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002956 ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
2957 pstats->mac_stx[1].s##_lo, \
2958 new->s); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002959 } while (0)
2960
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002961#define UPDATE_EXTEND_TSTAT(s, t) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002962 do { \
2963 diff = le32_to_cpu(tclient->s) - old_tclient->s; \
2964 old_tclient->s = le32_to_cpu(tclient->s); \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002965 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
2966 } while (0)
2967
2968#define UPDATE_EXTEND_XSTAT(s, t) \
2969 do { \
2970 diff = le32_to_cpu(xclient->s) - old_xclient->s; \
2971 old_xclient->s = le32_to_cpu(xclient->s); \
2972 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002973 } while (0)
2974
2975/*
2976 * General service functions
2977 */
2978
2979static inline long bnx2x_hilo(u32 *hiref)
2980{
2981 u32 lo = *(hiref + 1);
2982#if (BITS_PER_LONG == 64)
2983 u32 hi = *hiref;
2984
2985 return HILO_U64(hi, lo);
2986#else
2987 return lo;
2988#endif
2989}
2990
2991/*
2992 * Init service functions
2993 */
2994
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002995static void bnx2x_storm_stats_post(struct bnx2x *bp)
2996{
2997 if (!bp->stats_pending) {
2998 struct eth_query_ramrod_data ramrod_data = {0};
2999 int rc;
3000
3001 ramrod_data.drv_counter = bp->stats_counter++;
3002 ramrod_data.collect_port_1b = bp->port.pmf ? 1 : 0;
3003 ramrod_data.ctr_id_vector = (1 << BP_CL_ID(bp));
3004
3005 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0,
3006 ((u32 *)&ramrod_data)[1],
3007 ((u32 *)&ramrod_data)[0], 0);
3008 if (rc == 0) {
3009 /* stats ramrod has it's own slot on the spq */
3010 bp->spq_left++;
3011 bp->stats_pending = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003012 }
3013 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003014}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003015
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003016static void bnx2x_stats_init(struct bnx2x *bp)
3017{
3018 int port = BP_PORT(bp);
3019
3020 bp->executer_idx = 0;
3021 bp->stats_counter = 0;
3022
3023 /* port stats */
3024 if (!BP_NOMCP(bp))
3025 bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
3026 else
3027 bp->port.port_stx = 0;
3028 DP(BNX2X_MSG_STATS, "port_stx 0x%x\n", bp->port.port_stx);
3029
3030 memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
3031 bp->port.old_nig_stats.brb_discard =
3032 REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003033 bp->port.old_nig_stats.brb_truncate =
3034 REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003035 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
3036 &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
3037 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
3038 &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
3039
3040 /* function stats */
3041 memset(&bp->dev->stats, 0, sizeof(struct net_device_stats));
3042 memset(&bp->old_tclient, 0, sizeof(struct tstorm_per_client_stats));
3043 memset(&bp->old_xclient, 0, sizeof(struct xstorm_per_client_stats));
3044 memset(&bp->eth_stats, 0, sizeof(struct bnx2x_eth_stats));
3045
3046 bp->stats_state = STATS_STATE_DISABLED;
3047 if (IS_E1HMF(bp) && bp->port.pmf && bp->port.port_stx)
3048 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
3049}
3050
3051static void bnx2x_hw_stats_post(struct bnx2x *bp)
3052{
3053 struct dmae_command *dmae = &bp->stats_dmae;
3054 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3055
3056 *stats_comp = DMAE_COMP_VAL;
3057
3058 /* loader */
3059 if (bp->executer_idx) {
3060 int loader_idx = PMF_DMAE_C(bp);
3061
3062 memset(dmae, 0, sizeof(struct dmae_command));
3063
3064 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3065 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3066 DMAE_CMD_DST_RESET |
3067#ifdef __BIG_ENDIAN
3068 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3069#else
3070 DMAE_CMD_ENDIANITY_DW_SWAP |
3071#endif
3072 (BP_PORT(bp) ? DMAE_CMD_PORT_1 :
3073 DMAE_CMD_PORT_0) |
3074 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3075 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
3076 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
3077 dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
3078 sizeof(struct dmae_command) *
3079 (loader_idx + 1)) >> 2;
3080 dmae->dst_addr_hi = 0;
3081 dmae->len = sizeof(struct dmae_command) >> 2;
3082 if (CHIP_IS_E1(bp))
3083 dmae->len--;
3084 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
3085 dmae->comp_addr_hi = 0;
3086 dmae->comp_val = 1;
3087
3088 *stats_comp = 0;
3089 bnx2x_post_dmae(bp, dmae, loader_idx);
3090
3091 } else if (bp->func_stx) {
3092 *stats_comp = 0;
3093 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
3094 }
3095}
3096
3097static int bnx2x_stats_comp(struct bnx2x *bp)
3098{
3099 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3100 int cnt = 10;
3101
3102 might_sleep();
3103 while (*stats_comp != DMAE_COMP_VAL) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003104 if (!cnt) {
3105 BNX2X_ERR("timeout waiting for stats finished\n");
3106 break;
3107 }
3108 cnt--;
Yitchak Gertner12469402008-08-13 15:52:08 -07003109 msleep(1);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003110 }
3111 return 1;
3112}
3113
3114/*
3115 * Statistics service functions
3116 */
3117
3118static void bnx2x_stats_pmf_update(struct bnx2x *bp)
3119{
3120 struct dmae_command *dmae;
3121 u32 opcode;
3122 int loader_idx = PMF_DMAE_C(bp);
3123 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3124
3125 /* sanity */
3126 if (!IS_E1HMF(bp) || !bp->port.pmf || !bp->port.port_stx) {
3127 BNX2X_ERR("BUG!\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003128 return;
3129 }
3130
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003131 bp->executer_idx = 0;
3132
3133 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3134 DMAE_CMD_C_ENABLE |
3135 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3136#ifdef __BIG_ENDIAN
3137 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3138#else
3139 DMAE_CMD_ENDIANITY_DW_SWAP |
3140#endif
3141 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3142 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3143
3144 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3145 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3146 dmae->src_addr_lo = bp->port.port_stx >> 2;
3147 dmae->src_addr_hi = 0;
3148 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3149 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3150 dmae->len = DMAE_LEN32_RD_MAX;
3151 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3152 dmae->comp_addr_hi = 0;
3153 dmae->comp_val = 1;
3154
3155 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3156 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3157 dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
3158 dmae->src_addr_hi = 0;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003159 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
3160 DMAE_LEN32_RD_MAX * 4);
3161 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
3162 DMAE_LEN32_RD_MAX * 4);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003163 dmae->len = (sizeof(struct host_port_stats) >> 2) - DMAE_LEN32_RD_MAX;
3164 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3165 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3166 dmae->comp_val = DMAE_COMP_VAL;
3167
3168 *stats_comp = 0;
3169 bnx2x_hw_stats_post(bp);
3170 bnx2x_stats_comp(bp);
3171}
3172
3173static void bnx2x_port_stats_init(struct bnx2x *bp)
3174{
3175 struct dmae_command *dmae;
3176 int port = BP_PORT(bp);
3177 int vn = BP_E1HVN(bp);
3178 u32 opcode;
3179 int loader_idx = PMF_DMAE_C(bp);
3180 u32 mac_addr;
3181 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3182
3183 /* sanity */
3184 if (!bp->link_vars.link_up || !bp->port.pmf) {
3185 BNX2X_ERR("BUG!\n");
3186 return;
3187 }
3188
3189 bp->executer_idx = 0;
3190
3191 /* MCP */
3192 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3193 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3194 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3195#ifdef __BIG_ENDIAN
3196 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3197#else
3198 DMAE_CMD_ENDIANITY_DW_SWAP |
3199#endif
3200 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3201 (vn << DMAE_CMD_E1HVN_SHIFT));
3202
3203 if (bp->port.port_stx) {
3204
3205 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3206 dmae->opcode = opcode;
3207 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3208 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3209 dmae->dst_addr_lo = bp->port.port_stx >> 2;
3210 dmae->dst_addr_hi = 0;
3211 dmae->len = sizeof(struct host_port_stats) >> 2;
3212 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3213 dmae->comp_addr_hi = 0;
3214 dmae->comp_val = 1;
3215 }
3216
3217 if (bp->func_stx) {
3218
3219 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3220 dmae->opcode = opcode;
3221 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3222 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3223 dmae->dst_addr_lo = bp->func_stx >> 2;
3224 dmae->dst_addr_hi = 0;
3225 dmae->len = sizeof(struct host_func_stats) >> 2;
3226 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3227 dmae->comp_addr_hi = 0;
3228 dmae->comp_val = 1;
3229 }
3230
3231 /* MAC */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003232 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3233 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3234 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3235#ifdef __BIG_ENDIAN
3236 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3237#else
3238 DMAE_CMD_ENDIANITY_DW_SWAP |
3239#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003240 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3241 (vn << DMAE_CMD_E1HVN_SHIFT));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003242
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07003243 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003244
3245 mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
3246 NIG_REG_INGRESS_BMAC0_MEM);
3247
3248 /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
3249 BIGMAC_REGISTER_TX_STAT_GTBYT */
3250 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3251 dmae->opcode = opcode;
3252 dmae->src_addr_lo = (mac_addr +
3253 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3254 dmae->src_addr_hi = 0;
3255 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3256 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3257 dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
3258 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3259 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3260 dmae->comp_addr_hi = 0;
3261 dmae->comp_val = 1;
3262
3263 /* BIGMAC_REGISTER_RX_STAT_GR64 ..
3264 BIGMAC_REGISTER_RX_STAT_GRIPJ */
3265 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3266 dmae->opcode = opcode;
3267 dmae->src_addr_lo = (mac_addr +
3268 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3269 dmae->src_addr_hi = 0;
3270 dmae->dst_addr_lo = U64_LO(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->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003273 offsetof(struct bmac_stats, rx_stat_gr64_lo));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003274 dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
3275 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3276 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3277 dmae->comp_addr_hi = 0;
3278 dmae->comp_val = 1;
3279
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07003280 } else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003281
3282 mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
3283
3284 /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
3285 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3286 dmae->opcode = opcode;
3287 dmae->src_addr_lo = (mac_addr +
3288 EMAC_REG_EMAC_RX_STAT_AC) >> 2;
3289 dmae->src_addr_hi = 0;
3290 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3291 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3292 dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
3293 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3294 dmae->comp_addr_hi = 0;
3295 dmae->comp_val = 1;
3296
3297 /* EMAC_REG_EMAC_RX_STAT_AC_28 */
3298 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3299 dmae->opcode = opcode;
3300 dmae->src_addr_lo = (mac_addr +
3301 EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
3302 dmae->src_addr_hi = 0;
3303 dmae->dst_addr_lo = U64_LO(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->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003306 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003307 dmae->len = 1;
3308 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3309 dmae->comp_addr_hi = 0;
3310 dmae->comp_val = 1;
3311
3312 /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
3313 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3314 dmae->opcode = opcode;
3315 dmae->src_addr_lo = (mac_addr +
3316 EMAC_REG_EMAC_TX_STAT_AC) >> 2;
3317 dmae->src_addr_hi = 0;
3318 dmae->dst_addr_lo = U64_LO(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->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003321 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003322 dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
3323 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3324 dmae->comp_addr_hi = 0;
3325 dmae->comp_val = 1;
3326 }
3327
3328 /* NIG */
3329 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003330 dmae->opcode = opcode;
3331 dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
3332 NIG_REG_STAT0_BRB_DISCARD) >> 2;
3333 dmae->src_addr_hi = 0;
3334 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
3335 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
3336 dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
3337 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3338 dmae->comp_addr_hi = 0;
3339 dmae->comp_val = 1;
3340
3341 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3342 dmae->opcode = opcode;
3343 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
3344 NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
3345 dmae->src_addr_hi = 0;
3346 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3347 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3348 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3349 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3350 dmae->len = (2*sizeof(u32)) >> 2;
3351 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3352 dmae->comp_addr_hi = 0;
3353 dmae->comp_val = 1;
3354
3355 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003356 dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3357 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3358 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3359#ifdef __BIG_ENDIAN
3360 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3361#else
3362 DMAE_CMD_ENDIANITY_DW_SWAP |
3363#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003364 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3365 (vn << DMAE_CMD_E1HVN_SHIFT));
3366 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
3367 NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003368 dmae->src_addr_hi = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003369 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3370 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3371 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3372 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3373 dmae->len = (2*sizeof(u32)) >> 2;
3374 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3375 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3376 dmae->comp_val = DMAE_COMP_VAL;
3377
3378 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003379}
3380
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003381static void bnx2x_func_stats_init(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003382{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003383 struct dmae_command *dmae = &bp->stats_dmae;
3384 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003385
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003386 /* sanity */
3387 if (!bp->func_stx) {
3388 BNX2X_ERR("BUG!\n");
3389 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003390 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003391
3392 bp->executer_idx = 0;
3393 memset(dmae, 0, sizeof(struct dmae_command));
3394
3395 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3396 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3397 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3398#ifdef __BIG_ENDIAN
3399 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3400#else
3401 DMAE_CMD_ENDIANITY_DW_SWAP |
3402#endif
3403 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3404 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3405 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3406 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3407 dmae->dst_addr_lo = bp->func_stx >> 2;
3408 dmae->dst_addr_hi = 0;
3409 dmae->len = sizeof(struct host_func_stats) >> 2;
3410 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3411 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3412 dmae->comp_val = DMAE_COMP_VAL;
3413
3414 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003415}
3416
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003417static void bnx2x_stats_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003418{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003419 if (bp->port.pmf)
3420 bnx2x_port_stats_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003421
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003422 else if (bp->func_stx)
3423 bnx2x_func_stats_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003424
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003425 bnx2x_hw_stats_post(bp);
3426 bnx2x_storm_stats_post(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003427}
3428
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003429static void bnx2x_stats_pmf_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003430{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003431 bnx2x_stats_comp(bp);
3432 bnx2x_stats_pmf_update(bp);
3433 bnx2x_stats_start(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003434}
3435
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003436static void bnx2x_stats_restart(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003437{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003438 bnx2x_stats_comp(bp);
3439 bnx2x_stats_start(bp);
3440}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003441
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003442static void bnx2x_bmac_stats_update(struct bnx2x *bp)
3443{
3444 struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac_stats);
3445 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3446 struct regpair diff;
3447
3448 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
3449 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
3450 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
3451 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
3452 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
3453 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003454 UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003455 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
3456 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffpauseframesreceived);
3457 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
3458 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
3459 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
3460 UPDATE_STAT64(tx_stat_gt127,
3461 tx_stat_etherstatspkts65octetsto127octets);
3462 UPDATE_STAT64(tx_stat_gt255,
3463 tx_stat_etherstatspkts128octetsto255octets);
3464 UPDATE_STAT64(tx_stat_gt511,
3465 tx_stat_etherstatspkts256octetsto511octets);
3466 UPDATE_STAT64(tx_stat_gt1023,
3467 tx_stat_etherstatspkts512octetsto1023octets);
3468 UPDATE_STAT64(tx_stat_gt1518,
3469 tx_stat_etherstatspkts1024octetsto1522octets);
3470 UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047);
3471 UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095);
3472 UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216);
3473 UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383);
3474 UPDATE_STAT64(tx_stat_gterr,
3475 tx_stat_dot3statsinternalmactransmiterrors);
3476 UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl);
3477}
3478
3479static void bnx2x_emac_stats_update(struct bnx2x *bp)
3480{
3481 struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
3482 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3483
3484 UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
3485 UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
3486 UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
3487 UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
3488 UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
3489 UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
3490 UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
3491 UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
3492 UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
3493 UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
3494 UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
3495 UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
3496 UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
3497 UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
3498 UPDATE_EXTEND_STAT(tx_stat_outxonsent);
3499 UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
3500 UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
3501 UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
3502 UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
3503 UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
3504 UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
3505 UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
3506 UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
3507 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
3508 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
3509 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
3510 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
3511 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
3512 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
3513 UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
3514 UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
3515}
3516
3517static int bnx2x_hw_stats_update(struct bnx2x *bp)
3518{
3519 struct nig_stats *new = bnx2x_sp(bp, nig_stats);
3520 struct nig_stats *old = &(bp->port.old_nig_stats);
3521 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3522 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3523 struct regpair diff;
3524
3525 if (bp->link_vars.mac_type == MAC_TYPE_BMAC)
3526 bnx2x_bmac_stats_update(bp);
3527
3528 else if (bp->link_vars.mac_type == MAC_TYPE_EMAC)
3529 bnx2x_emac_stats_update(bp);
3530
3531 else { /* unreached */
3532 BNX2X_ERR("stats updated by dmae but no MAC active\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003533 return -1;
3534 }
3535
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003536 ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
3537 new->brb_discard - old->brb_discard);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003538 ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
3539 new->brb_truncate - old->brb_truncate);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003540
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003541 UPDATE_STAT64_NIG(egress_mac_pkt0,
3542 etherstatspkts1024octetsto1522octets);
3543 UPDATE_STAT64_NIG(egress_mac_pkt1, etherstatspktsover1522octets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003544
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003545 memcpy(old, new, sizeof(struct nig_stats));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003546
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003547 memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
3548 sizeof(struct mac_stx));
3549 estats->brb_drop_hi = pstats->brb_drop_hi;
3550 estats->brb_drop_lo = pstats->brb_drop_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003551
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003552 pstats->host_port_stats_start = ++pstats->host_port_stats_end;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003553
3554 return 0;
3555}
3556
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003557static int bnx2x_storm_stats_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003558{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003559 struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
3560 int cl_id = BP_CL_ID(bp);
3561 struct tstorm_per_port_stats *tport =
3562 &stats->tstorm_common.port_statistics;
3563 struct tstorm_per_client_stats *tclient =
3564 &stats->tstorm_common.client_statistics[cl_id];
3565 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3566 struct xstorm_per_client_stats *xclient =
3567 &stats->xstorm_common.client_statistics[cl_id];
3568 struct xstorm_per_client_stats *old_xclient = &bp->old_xclient;
3569 struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
3570 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3571 u32 diff;
3572
3573 /* are storm stats valid? */
3574 if ((u16)(le16_to_cpu(tclient->stats_counter) + 1) !=
3575 bp->stats_counter) {
3576 DP(BNX2X_MSG_STATS, "stats not updated by tstorm"
3577 " tstorm counter (%d) != stats_counter (%d)\n",
3578 tclient->stats_counter, bp->stats_counter);
3579 return -1;
3580 }
3581 if ((u16)(le16_to_cpu(xclient->stats_counter) + 1) !=
3582 bp->stats_counter) {
3583 DP(BNX2X_MSG_STATS, "stats not updated by xstorm"
3584 " xstorm counter (%d) != stats_counter (%d)\n",
3585 xclient->stats_counter, bp->stats_counter);
3586 return -2;
3587 }
3588
3589 fstats->total_bytes_received_hi =
3590 fstats->valid_bytes_received_hi =
3591 le32_to_cpu(tclient->total_rcv_bytes.hi);
3592 fstats->total_bytes_received_lo =
3593 fstats->valid_bytes_received_lo =
3594 le32_to_cpu(tclient->total_rcv_bytes.lo);
3595
3596 estats->error_bytes_received_hi =
3597 le32_to_cpu(tclient->rcv_error_bytes.hi);
3598 estats->error_bytes_received_lo =
3599 le32_to_cpu(tclient->rcv_error_bytes.lo);
3600 ADD_64(estats->error_bytes_received_hi,
3601 estats->rx_stat_ifhcinbadoctets_hi,
3602 estats->error_bytes_received_lo,
3603 estats->rx_stat_ifhcinbadoctets_lo);
3604
3605 ADD_64(fstats->total_bytes_received_hi,
3606 estats->error_bytes_received_hi,
3607 fstats->total_bytes_received_lo,
3608 estats->error_bytes_received_lo);
3609
3610 UPDATE_EXTEND_TSTAT(rcv_unicast_pkts, total_unicast_packets_received);
3611 UPDATE_EXTEND_TSTAT(rcv_multicast_pkts,
3612 total_multicast_packets_received);
3613 UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts,
3614 total_broadcast_packets_received);
3615
3616 fstats->total_bytes_transmitted_hi =
3617 le32_to_cpu(xclient->total_sent_bytes.hi);
3618 fstats->total_bytes_transmitted_lo =
3619 le32_to_cpu(xclient->total_sent_bytes.lo);
3620
3621 UPDATE_EXTEND_XSTAT(unicast_pkts_sent,
3622 total_unicast_packets_transmitted);
3623 UPDATE_EXTEND_XSTAT(multicast_pkts_sent,
3624 total_multicast_packets_transmitted);
3625 UPDATE_EXTEND_XSTAT(broadcast_pkts_sent,
3626 total_broadcast_packets_transmitted);
3627
3628 memcpy(estats, &(fstats->total_bytes_received_hi),
3629 sizeof(struct host_func_stats) - 2*sizeof(u32));
3630
3631 estats->mac_filter_discard = le32_to_cpu(tport->mac_filter_discard);
3632 estats->xxoverflow_discard = le32_to_cpu(tport->xxoverflow_discard);
3633 estats->brb_truncate_discard =
3634 le32_to_cpu(tport->brb_truncate_discard);
3635 estats->mac_discard = le32_to_cpu(tport->mac_discard);
3636
3637 old_tclient->rcv_unicast_bytes.hi =
3638 le32_to_cpu(tclient->rcv_unicast_bytes.hi);
3639 old_tclient->rcv_unicast_bytes.lo =
3640 le32_to_cpu(tclient->rcv_unicast_bytes.lo);
3641 old_tclient->rcv_broadcast_bytes.hi =
3642 le32_to_cpu(tclient->rcv_broadcast_bytes.hi);
3643 old_tclient->rcv_broadcast_bytes.lo =
3644 le32_to_cpu(tclient->rcv_broadcast_bytes.lo);
3645 old_tclient->rcv_multicast_bytes.hi =
3646 le32_to_cpu(tclient->rcv_multicast_bytes.hi);
3647 old_tclient->rcv_multicast_bytes.lo =
3648 le32_to_cpu(tclient->rcv_multicast_bytes.lo);
3649 old_tclient->total_rcv_pkts = le32_to_cpu(tclient->total_rcv_pkts);
3650
3651 old_tclient->checksum_discard = le32_to_cpu(tclient->checksum_discard);
3652 old_tclient->packets_too_big_discard =
3653 le32_to_cpu(tclient->packets_too_big_discard);
3654 estats->no_buff_discard =
3655 old_tclient->no_buff_discard = le32_to_cpu(tclient->no_buff_discard);
3656 old_tclient->ttl0_discard = le32_to_cpu(tclient->ttl0_discard);
3657
3658 old_xclient->total_sent_pkts = le32_to_cpu(xclient->total_sent_pkts);
3659 old_xclient->unicast_bytes_sent.hi =
3660 le32_to_cpu(xclient->unicast_bytes_sent.hi);
3661 old_xclient->unicast_bytes_sent.lo =
3662 le32_to_cpu(xclient->unicast_bytes_sent.lo);
3663 old_xclient->multicast_bytes_sent.hi =
3664 le32_to_cpu(xclient->multicast_bytes_sent.hi);
3665 old_xclient->multicast_bytes_sent.lo =
3666 le32_to_cpu(xclient->multicast_bytes_sent.lo);
3667 old_xclient->broadcast_bytes_sent.hi =
3668 le32_to_cpu(xclient->broadcast_bytes_sent.hi);
3669 old_xclient->broadcast_bytes_sent.lo =
3670 le32_to_cpu(xclient->broadcast_bytes_sent.lo);
3671
3672 fstats->host_func_stats_start = ++fstats->host_func_stats_end;
3673
3674 return 0;
3675}
3676
3677static void bnx2x_net_stats_update(struct bnx2x *bp)
3678{
3679 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3680 struct bnx2x_eth_stats *estats = &bp->eth_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003681 struct net_device_stats *nstats = &bp->dev->stats;
3682
3683 nstats->rx_packets =
3684 bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
3685 bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
3686 bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
3687
3688 nstats->tx_packets =
3689 bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
3690 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
3691 bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
3692
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003693 nstats->rx_bytes = bnx2x_hilo(&estats->valid_bytes_received_hi);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003694
Eliezer Tamir0e39e642008-02-28 11:54:03 -08003695 nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003696
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003697 nstats->rx_dropped = old_tclient->checksum_discard +
3698 estats->mac_discard;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003699 nstats->tx_dropped = 0;
3700
3701 nstats->multicast =
3702 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi);
3703
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003704 nstats->collisions =
3705 estats->tx_stat_dot3statssinglecollisionframes_lo +
3706 estats->tx_stat_dot3statsmultiplecollisionframes_lo +
3707 estats->tx_stat_dot3statslatecollisions_lo +
3708 estats->tx_stat_dot3statsexcessivecollisions_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003709
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003710 estats->jabber_packets_received =
3711 old_tclient->packets_too_big_discard +
3712 estats->rx_stat_dot3statsframestoolong_lo;
3713
3714 nstats->rx_length_errors =
3715 estats->rx_stat_etherstatsundersizepkts_lo +
3716 estats->jabber_packets_received;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003717 nstats->rx_over_errors = estats->brb_drop_lo + estats->brb_truncate_lo;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003718 nstats->rx_crc_errors = estats->rx_stat_dot3statsfcserrors_lo;
3719 nstats->rx_frame_errors = estats->rx_stat_dot3statsalignmenterrors_lo;
3720 nstats->rx_fifo_errors = old_tclient->no_buff_discard;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003721 nstats->rx_missed_errors = estats->xxoverflow_discard;
3722
3723 nstats->rx_errors = nstats->rx_length_errors +
3724 nstats->rx_over_errors +
3725 nstats->rx_crc_errors +
3726 nstats->rx_frame_errors +
Eliezer Tamir0e39e642008-02-28 11:54:03 -08003727 nstats->rx_fifo_errors +
3728 nstats->rx_missed_errors;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003729
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003730 nstats->tx_aborted_errors =
3731 estats->tx_stat_dot3statslatecollisions_lo +
3732 estats->tx_stat_dot3statsexcessivecollisions_lo;
3733 nstats->tx_carrier_errors = estats->rx_stat_falsecarriererrors_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003734 nstats->tx_fifo_errors = 0;
3735 nstats->tx_heartbeat_errors = 0;
3736 nstats->tx_window_errors = 0;
3737
3738 nstats->tx_errors = nstats->tx_aborted_errors +
3739 nstats->tx_carrier_errors;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003740}
3741
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003742static void bnx2x_stats_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003743{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003744 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3745 int update = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003746
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003747 if (*stats_comp != DMAE_COMP_VAL)
3748 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003749
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003750 if (bp->port.pmf)
3751 update = (bnx2x_hw_stats_update(bp) == 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003752
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003753 update |= (bnx2x_storm_stats_update(bp) == 0);
3754
3755 if (update)
3756 bnx2x_net_stats_update(bp);
3757
3758 else {
3759 if (bp->stats_pending) {
3760 bp->stats_pending++;
3761 if (bp->stats_pending == 3) {
3762 BNX2X_ERR("stats not updated for 3 times\n");
3763 bnx2x_panic();
3764 return;
3765 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003766 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003767 }
3768
3769 if (bp->msglevel & NETIF_MSG_TIMER) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003770 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3771 struct bnx2x_eth_stats *estats = &bp->eth_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003772 struct net_device_stats *nstats = &bp->dev->stats;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003773 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003774
3775 printk(KERN_DEBUG "%s:\n", bp->dev->name);
3776 printk(KERN_DEBUG " tx avail (%4x) tx hc idx (%x)"
3777 " tx pkt (%lx)\n",
3778 bnx2x_tx_avail(bp->fp),
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003779 le16_to_cpu(*bp->fp->tx_cons_sb), nstats->tx_packets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003780 printk(KERN_DEBUG " rx usage (%4x) rx hc idx (%x)"
3781 " rx pkt (%lx)\n",
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003782 (u16)(le16_to_cpu(*bp->fp->rx_cons_sb) -
3783 bp->fp->rx_comp_cons),
3784 le16_to_cpu(*bp->fp->rx_cons_sb), nstats->rx_packets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003785 printk(KERN_DEBUG " %s (Xoff events %u) brb drops %u\n",
Eilon Greenstein6378c022008-08-13 15:59:25 -07003786 netif_queue_stopped(bp->dev) ? "Xoff" : "Xon",
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003787 estats->driver_xoff, estats->brb_drop_lo);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003788 printk(KERN_DEBUG "tstats: checksum_discard %u "
3789 "packets_too_big_discard %u no_buff_discard %u "
3790 "mac_discard %u mac_filter_discard %u "
3791 "xxovrflow_discard %u brb_truncate_discard %u "
3792 "ttl0_discard %u\n",
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003793 old_tclient->checksum_discard,
3794 old_tclient->packets_too_big_discard,
3795 old_tclient->no_buff_discard, estats->mac_discard,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003796 estats->mac_filter_discard, estats->xxoverflow_discard,
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003797 estats->brb_truncate_discard,
3798 old_tclient->ttl0_discard);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003799
3800 for_each_queue(bp, i) {
3801 printk(KERN_DEBUG "[%d]: %lu\t%lu\t%lu\n", i,
3802 bnx2x_fp(bp, i, tx_pkt),
3803 bnx2x_fp(bp, i, rx_pkt),
3804 bnx2x_fp(bp, i, rx_calls));
3805 }
3806 }
3807
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003808 bnx2x_hw_stats_post(bp);
3809 bnx2x_storm_stats_post(bp);
3810}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003811
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003812static void bnx2x_port_stats_stop(struct bnx2x *bp)
3813{
3814 struct dmae_command *dmae;
3815 u32 opcode;
3816 int loader_idx = PMF_DMAE_C(bp);
3817 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003818
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003819 bp->executer_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003820
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003821 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3822 DMAE_CMD_C_ENABLE |
3823 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003824#ifdef __BIG_ENDIAN
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003825 DMAE_CMD_ENDIANITY_B_DW_SWAP |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003826#else
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003827 DMAE_CMD_ENDIANITY_DW_SWAP |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003828#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003829 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3830 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3831
3832 if (bp->port.port_stx) {
3833
3834 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3835 if (bp->func_stx)
3836 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3837 else
3838 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3839 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3840 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3841 dmae->dst_addr_lo = bp->port.port_stx >> 2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003842 dmae->dst_addr_hi = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003843 dmae->len = sizeof(struct host_port_stats) >> 2;
3844 if (bp->func_stx) {
3845 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3846 dmae->comp_addr_hi = 0;
3847 dmae->comp_val = 1;
3848 } else {
3849 dmae->comp_addr_lo =
3850 U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3851 dmae->comp_addr_hi =
3852 U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3853 dmae->comp_val = DMAE_COMP_VAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003854
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003855 *stats_comp = 0;
3856 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003857 }
3858
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003859 if (bp->func_stx) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003860
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003861 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3862 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3863 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3864 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3865 dmae->dst_addr_lo = bp->func_stx >> 2;
3866 dmae->dst_addr_hi = 0;
3867 dmae->len = sizeof(struct host_func_stats) >> 2;
3868 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3869 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3870 dmae->comp_val = DMAE_COMP_VAL;
3871
3872 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003873 }
3874}
3875
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003876static void bnx2x_stats_stop(struct bnx2x *bp)
3877{
3878 int update = 0;
3879
3880 bnx2x_stats_comp(bp);
3881
3882 if (bp->port.pmf)
3883 update = (bnx2x_hw_stats_update(bp) == 0);
3884
3885 update |= (bnx2x_storm_stats_update(bp) == 0);
3886
3887 if (update) {
3888 bnx2x_net_stats_update(bp);
3889
3890 if (bp->port.pmf)
3891 bnx2x_port_stats_stop(bp);
3892
3893 bnx2x_hw_stats_post(bp);
3894 bnx2x_stats_comp(bp);
3895 }
3896}
3897
3898static void bnx2x_stats_do_nothing(struct bnx2x *bp)
3899{
3900}
3901
3902static const struct {
3903 void (*action)(struct bnx2x *bp);
3904 enum bnx2x_stats_state next_state;
3905} bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
3906/* state event */
3907{
3908/* DISABLED PMF */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
3909/* LINK_UP */ {bnx2x_stats_start, STATS_STATE_ENABLED},
3910/* UPDATE */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
3911/* STOP */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
3912},
3913{
3914/* ENABLED PMF */ {bnx2x_stats_pmf_start, STATS_STATE_ENABLED},
3915/* LINK_UP */ {bnx2x_stats_restart, STATS_STATE_ENABLED},
3916/* UPDATE */ {bnx2x_stats_update, STATS_STATE_ENABLED},
3917/* STOP */ {bnx2x_stats_stop, STATS_STATE_DISABLED}
3918}
3919};
3920
3921static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
3922{
3923 enum bnx2x_stats_state state = bp->stats_state;
3924
3925 bnx2x_stats_stm[state][event].action(bp);
3926 bp->stats_state = bnx2x_stats_stm[state][event].next_state;
3927
3928 if ((event != STATS_EVENT_UPDATE) || (bp->msglevel & NETIF_MSG_TIMER))
3929 DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
3930 state, event, bp->stats_state);
3931}
3932
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003933static void bnx2x_timer(unsigned long data)
3934{
3935 struct bnx2x *bp = (struct bnx2x *) data;
3936
3937 if (!netif_running(bp->dev))
3938 return;
3939
3940 if (atomic_read(&bp->intr_sem) != 0)
Eliezer Tamirf1410642008-02-28 11:51:50 -08003941 goto timer_restart;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003942
3943 if (poll) {
3944 struct bnx2x_fastpath *fp = &bp->fp[0];
3945 int rc;
3946
3947 bnx2x_tx_int(fp, 1000);
3948 rc = bnx2x_rx_int(fp, 1000);
3949 }
3950
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003951 if (!BP_NOMCP(bp)) {
3952 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003953 u32 drv_pulse;
3954 u32 mcp_pulse;
3955
3956 ++bp->fw_drv_pulse_wr_seq;
3957 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3958 /* TBD - add SYSTEM_TIME */
3959 drv_pulse = bp->fw_drv_pulse_wr_seq;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003960 SHMEM_WR(bp, func_mb[func].drv_pulse_mb, drv_pulse);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003961
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003962 mcp_pulse = (SHMEM_RD(bp, func_mb[func].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003963 MCP_PULSE_SEQ_MASK);
3964 /* The delta between driver pulse and mcp response
3965 * should be 1 (before mcp response) or 0 (after mcp response)
3966 */
3967 if ((drv_pulse != mcp_pulse) &&
3968 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3969 /* someone lost a heartbeat... */
3970 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3971 drv_pulse, mcp_pulse);
3972 }
3973 }
3974
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003975 if ((bp->state == BNX2X_STATE_OPEN) ||
3976 (bp->state == BNX2X_STATE_DISABLED))
3977 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003978
Eliezer Tamirf1410642008-02-28 11:51:50 -08003979timer_restart:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003980 mod_timer(&bp->timer, jiffies + bp->current_interval);
3981}
3982
3983/* end of Statistics */
3984
3985/* nic init */
3986
3987/*
3988 * nic init service functions
3989 */
3990
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003991static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003992{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003993 int port = BP_PORT(bp);
3994
3995 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
3996 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
Yitchak Gertner35302982008-08-13 15:53:12 -07003997 sizeof(struct ustorm_status_block)/4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003998 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
3999 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
Yitchak Gertner35302982008-08-13 15:53:12 -07004000 sizeof(struct cstorm_status_block)/4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004001}
4002
Eilon Greenstein5c862842008-08-13 15:51:48 -07004003static void bnx2x_init_sb(struct bnx2x *bp, struct host_status_block *sb,
4004 dma_addr_t mapping, int sb_id)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004005{
4006 int port = BP_PORT(bp);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004007 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004008 int index;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004009 u64 section;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004010
4011 /* USTORM */
4012 section = ((u64)mapping) + offsetof(struct host_status_block,
4013 u_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004014 sb->u_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004015
4016 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004017 USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004018 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004019 ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004020 U64_HI(section));
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004021 REG_WR8(bp, BAR_USTRORM_INTMEM + FP_USB_FUNC_OFF +
4022 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004023
4024 for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++)
4025 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004026 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004027
4028 /* CSTORM */
4029 section = ((u64)mapping) + offsetof(struct host_status_block,
4030 c_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004031 sb->c_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004032
4033 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004034 CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004035 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004036 ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004037 U64_HI(section));
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004038 REG_WR8(bp, BAR_CSTRORM_INTMEM + FP_CSB_FUNC_OFF +
4039 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004040
4041 for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++)
4042 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004043 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004044
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004045 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
4046}
4047
4048static void bnx2x_zero_def_sb(struct bnx2x *bp)
4049{
4050 int func = BP_FUNC(bp);
4051
4052 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
4053 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4054 sizeof(struct ustorm_def_status_block)/4);
4055 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
4056 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4057 sizeof(struct cstorm_def_status_block)/4);
4058 bnx2x_init_fill(bp, BAR_XSTRORM_INTMEM +
4059 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4060 sizeof(struct xstorm_def_status_block)/4);
4061 bnx2x_init_fill(bp, BAR_TSTRORM_INTMEM +
4062 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4063 sizeof(struct tstorm_def_status_block)/4);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004064}
4065
4066static void bnx2x_init_def_sb(struct bnx2x *bp,
4067 struct host_def_status_block *def_sb,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004068 dma_addr_t mapping, int sb_id)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004069{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004070 int port = BP_PORT(bp);
4071 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004072 int index, val, reg_offset;
4073 u64 section;
4074
4075 /* ATTN */
4076 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4077 atten_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004078 def_sb->atten_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004079
Eliezer Tamir49d66772008-02-28 11:53:13 -08004080 bp->attn_state = 0;
4081
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004082 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4083 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4084
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004085 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004086 bp->attn_group[index].sig[0] = REG_RD(bp,
4087 reg_offset + 0x10*index);
4088 bp->attn_group[index].sig[1] = REG_RD(bp,
4089 reg_offset + 0x4 + 0x10*index);
4090 bp->attn_group[index].sig[2] = REG_RD(bp,
4091 reg_offset + 0x8 + 0x10*index);
4092 bp->attn_group[index].sig[3] = REG_RD(bp,
4093 reg_offset + 0xc + 0x10*index);
4094 }
4095
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004096 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4097 HC_REG_ATTN_MSG0_ADDR_L);
4098
4099 REG_WR(bp, reg_offset, U64_LO(section));
4100 REG_WR(bp, reg_offset + 4, U64_HI(section));
4101
4102 reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0);
4103
4104 val = REG_RD(bp, reg_offset);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004105 val |= sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004106 REG_WR(bp, reg_offset, val);
4107
4108 /* USTORM */
4109 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4110 u_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004111 def_sb->u_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004112
4113 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004114 USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004115 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004116 ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004117 U64_HI(section));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004118 REG_WR8(bp, BAR_USTRORM_INTMEM + DEF_USB_FUNC_OFF +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004119 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004120
4121 for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++)
4122 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004123 USTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004124
4125 /* CSTORM */
4126 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4127 c_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004128 def_sb->c_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004129
4130 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004131 CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004132 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004133 ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004134 U64_HI(section));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004135 REG_WR8(bp, BAR_CSTRORM_INTMEM + DEF_CSB_FUNC_OFF +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004136 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004137
4138 for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++)
4139 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004140 CSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004141
4142 /* TSTORM */
4143 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4144 t_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004145 def_sb->t_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004146
4147 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004148 TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004149 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004150 ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004151 U64_HI(section));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004152 REG_WR8(bp, BAR_TSTRORM_INTMEM + DEF_TSB_FUNC_OFF +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004153 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004154
4155 for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++)
4156 REG_WR16(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004157 TSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004158
4159 /* XSTORM */
4160 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4161 x_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004162 def_sb->x_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004163
4164 REG_WR(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004165 XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004166 REG_WR(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004167 ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004168 U64_HI(section));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004169 REG_WR8(bp, BAR_XSTRORM_INTMEM + DEF_XSB_FUNC_OFF +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004170 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004171
4172 for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++)
4173 REG_WR16(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004174 XSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004175
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004176 bp->stats_pending = 0;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004177 bp->set_mac_pending = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004178
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004179 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004180}
4181
4182static void bnx2x_update_coalesce(struct bnx2x *bp)
4183{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004184 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004185 int i;
4186
4187 for_each_queue(bp, i) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004188 int sb_id = bp->fp[i].sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004189
4190 /* HC_INDEX_U_ETH_RX_CQ_CONS */
4191 REG_WR8(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004192 USTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
Eilon Greenstein5c862842008-08-13 15:51:48 -07004193 U_SB_ETH_RX_CQ_INDEX),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004194 bp->rx_ticks/12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004195 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004196 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
Eilon Greenstein5c862842008-08-13 15:51:48 -07004197 U_SB_ETH_RX_CQ_INDEX),
4198 bp->rx_ticks ? 0 : 1);
4199 REG_WR16(bp, BAR_USTRORM_INTMEM +
4200 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4201 U_SB_ETH_RX_BD_INDEX),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004202 bp->rx_ticks ? 0 : 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004203
4204 /* HC_INDEX_C_ETH_TX_CQ_CONS */
4205 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004206 CSTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
Eilon Greenstein5c862842008-08-13 15:51:48 -07004207 C_SB_ETH_TX_CQ_INDEX),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004208 bp->tx_ticks/12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004209 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004210 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
Eilon Greenstein5c862842008-08-13 15:51:48 -07004211 C_SB_ETH_TX_CQ_INDEX),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004212 bp->tx_ticks ? 0 : 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004213 }
4214}
4215
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004216static inline void bnx2x_free_tpa_pool(struct bnx2x *bp,
4217 struct bnx2x_fastpath *fp, int last)
4218{
4219 int i;
4220
4221 for (i = 0; i < last; i++) {
4222 struct sw_rx_bd *rx_buf = &(fp->tpa_pool[i]);
4223 struct sk_buff *skb = rx_buf->skb;
4224
4225 if (skb == NULL) {
4226 DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i);
4227 continue;
4228 }
4229
4230 if (fp->tpa_state[i] == BNX2X_TPA_START)
4231 pci_unmap_single(bp->pdev,
4232 pci_unmap_addr(rx_buf, mapping),
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07004233 bp->rx_buf_size,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004234 PCI_DMA_FROMDEVICE);
4235
4236 dev_kfree_skb(skb);
4237 rx_buf->skb = NULL;
4238 }
4239}
4240
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004241static void bnx2x_init_rx_rings(struct bnx2x *bp)
4242{
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004243 int func = BP_FUNC(bp);
Eilon Greenstein32626232008-08-13 15:51:07 -07004244 int max_agg_queues = CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 :
4245 ETH_MAX_AGGREGATION_QUEUES_E1H;
4246 u16 ring_prod, cqe_ring_prod;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004247 int i, j;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004248
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07004249 bp->rx_buf_size = bp->dev->mtu;
4250 bp->rx_buf_size += bp->rx_offset + ETH_OVREHEAD +
4251 BCM_RX_ETH_PAYLOAD_ALIGN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004252
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004253 if (bp->flags & TPA_ENABLE_FLAG) {
4254 DP(NETIF_MSG_IFUP,
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07004255 "rx_buf_size %d effective_mtu %d\n",
4256 bp->rx_buf_size, bp->dev->mtu + ETH_OVREHEAD);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004257
4258 for_each_queue(bp, j) {
Eilon Greenstein32626232008-08-13 15:51:07 -07004259 struct bnx2x_fastpath *fp = &bp->fp[j];
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004260
Eilon Greenstein32626232008-08-13 15:51:07 -07004261 for (i = 0; i < max_agg_queues; i++) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004262 fp->tpa_pool[i].skb =
4263 netdev_alloc_skb(bp->dev, bp->rx_buf_size);
4264 if (!fp->tpa_pool[i].skb) {
4265 BNX2X_ERR("Failed to allocate TPA "
4266 "skb pool for queue[%d] - "
4267 "disabling TPA on this "
4268 "queue!\n", j);
4269 bnx2x_free_tpa_pool(bp, fp, i);
4270 fp->disable_tpa = 1;
4271 break;
4272 }
4273 pci_unmap_addr_set((struct sw_rx_bd *)
4274 &bp->fp->tpa_pool[i],
4275 mapping, 0);
4276 fp->tpa_state[i] = BNX2X_TPA_STOP;
4277 }
4278 }
4279 }
4280
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004281 for_each_queue(bp, j) {
4282 struct bnx2x_fastpath *fp = &bp->fp[j];
4283
4284 fp->rx_bd_cons = 0;
4285 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004286 fp->rx_bd_cons_sb = BNX2X_RX_SB_BD_INDEX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004287
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004288 /* "next page" elements initialization */
4289 /* SGE ring */
4290 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
4291 struct eth_rx_sge *sge;
4292
4293 sge = &fp->rx_sge_ring[RX_SGE_CNT * i - 2];
4294 sge->addr_hi =
4295 cpu_to_le32(U64_HI(fp->rx_sge_mapping +
4296 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4297 sge->addr_lo =
4298 cpu_to_le32(U64_LO(fp->rx_sge_mapping +
4299 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4300 }
4301
4302 bnx2x_init_sge_ring_bit_mask(fp);
4303
4304 /* RX BD ring */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004305 for (i = 1; i <= NUM_RX_RINGS; i++) {
4306 struct eth_rx_bd *rx_bd;
4307
4308 rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2];
4309 rx_bd->addr_hi =
4310 cpu_to_le32(U64_HI(fp->rx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004311 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004312 rx_bd->addr_lo =
4313 cpu_to_le32(U64_LO(fp->rx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004314 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004315 }
4316
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004317 /* CQ ring */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004318 for (i = 1; i <= NUM_RCQ_RINGS; i++) {
4319 struct eth_rx_cqe_next_page *nextpg;
4320
4321 nextpg = (struct eth_rx_cqe_next_page *)
4322 &fp->rx_comp_ring[RCQ_DESC_CNT * i - 1];
4323 nextpg->addr_hi =
4324 cpu_to_le32(U64_HI(fp->rx_comp_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004325 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004326 nextpg->addr_lo =
4327 cpu_to_le32(U64_LO(fp->rx_comp_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004328 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004329 }
4330
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004331 /* Allocate SGEs and initialize the ring elements */
4332 for (i = 0, ring_prod = 0;
4333 i < MAX_RX_SGE_CNT*NUM_RX_SGE_PAGES; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004334
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004335 if (bnx2x_alloc_rx_sge(bp, fp, ring_prod) < 0) {
4336 BNX2X_ERR("was only able to allocate "
4337 "%d rx sges\n", i);
4338 BNX2X_ERR("disabling TPA for queue[%d]\n", j);
4339 /* Cleanup already allocated elements */
4340 bnx2x_free_rx_sge_range(bp, fp, ring_prod);
Eilon Greenstein32626232008-08-13 15:51:07 -07004341 bnx2x_free_tpa_pool(bp, fp, max_agg_queues);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004342 fp->disable_tpa = 1;
4343 ring_prod = 0;
4344 break;
4345 }
4346 ring_prod = NEXT_SGE_IDX(ring_prod);
4347 }
4348 fp->rx_sge_prod = ring_prod;
4349
4350 /* Allocate BDs and initialize BD ring */
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004351 fp->rx_comp_cons = 0;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004352 cqe_ring_prod = ring_prod = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004353 for (i = 0; i < bp->rx_ring_size; i++) {
4354 if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) {
4355 BNX2X_ERR("was only able to allocate "
4356 "%d rx skbs\n", i);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004357 bp->eth_stats.rx_skb_alloc_failed++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004358 break;
4359 }
4360 ring_prod = NEXT_RX_IDX(ring_prod);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004361 cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod);
Ilpo Järvinen53e5e962008-07-25 21:40:45 -07004362 WARN_ON(ring_prod <= i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004363 }
4364
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004365 fp->rx_bd_prod = ring_prod;
4366 /* must not have more available CQEs than BDs */
4367 fp->rx_comp_prod = min((u16)(NUM_RCQ_RINGS*RCQ_DESC_CNT),
4368 cqe_ring_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004369 fp->rx_pkt = fp->rx_calls = 0;
4370
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004371 /* Warning!
4372 * this will generate an interrupt (to the TSTORM)
4373 * must only be done after chip is initialized
4374 */
4375 bnx2x_update_rx_prod(bp, fp, ring_prod, fp->rx_comp_prod,
4376 fp->rx_sge_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004377 if (j != 0)
4378 continue;
4379
4380 REG_WR(bp, BAR_USTRORM_INTMEM +
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004381 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004382 U64_LO(fp->rx_comp_mapping));
4383 REG_WR(bp, BAR_USTRORM_INTMEM +
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004384 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004385 U64_HI(fp->rx_comp_mapping));
4386 }
4387}
4388
4389static void bnx2x_init_tx_ring(struct bnx2x *bp)
4390{
4391 int i, j;
4392
4393 for_each_queue(bp, j) {
4394 struct bnx2x_fastpath *fp = &bp->fp[j];
4395
4396 for (i = 1; i <= NUM_TX_RINGS; i++) {
4397 struct eth_tx_bd *tx_bd =
4398 &fp->tx_desc_ring[TX_DESC_CNT * i - 1];
4399
4400 tx_bd->addr_hi =
4401 cpu_to_le32(U64_HI(fp->tx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004402 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004403 tx_bd->addr_lo =
4404 cpu_to_le32(U64_LO(fp->tx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004405 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004406 }
4407
4408 fp->tx_pkt_prod = 0;
4409 fp->tx_pkt_cons = 0;
4410 fp->tx_bd_prod = 0;
4411 fp->tx_bd_cons = 0;
4412 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4413 fp->tx_pkt = 0;
4414 }
4415}
4416
4417static void bnx2x_init_sp_ring(struct bnx2x *bp)
4418{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004419 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004420
4421 spin_lock_init(&bp->spq_lock);
4422
4423 bp->spq_left = MAX_SPQ_PENDING;
4424 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004425 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4426 bp->spq_prod_bd = bp->spq;
4427 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
4428
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004429 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004430 U64_LO(bp->spq_mapping));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004431 REG_WR(bp,
4432 XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004433 U64_HI(bp->spq_mapping));
4434
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004435 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004436 bp->spq_prod_idx);
4437}
4438
4439static void bnx2x_init_context(struct bnx2x *bp)
4440{
4441 int i;
4442
4443 for_each_queue(bp, i) {
4444 struct eth_context *context = bnx2x_sp(bp, context[i].eth);
4445 struct bnx2x_fastpath *fp = &bp->fp[i];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004446 u8 sb_id = FP_SB_ID(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004447
4448 context->xstorm_st_context.tx_bd_page_base_hi =
4449 U64_HI(fp->tx_desc_mapping);
4450 context->xstorm_st_context.tx_bd_page_base_lo =
4451 U64_LO(fp->tx_desc_mapping);
4452 context->xstorm_st_context.db_data_addr_hi =
4453 U64_HI(fp->tx_prods_mapping);
4454 context->xstorm_st_context.db_data_addr_lo =
4455 U64_LO(fp->tx_prods_mapping);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004456 context->xstorm_st_context.statistics_data = (BP_CL_ID(bp) |
4457 XSTORM_ETH_ST_CONTEXT_STATISTICS_ENABLE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004458
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004459 context->ustorm_st_context.common.sb_index_numbers =
4460 BNX2X_RX_SB_INDEX_NUM;
4461 context->ustorm_st_context.common.clientId = FP_CL_ID(fp);
4462 context->ustorm_st_context.common.status_block_id = sb_id;
4463 context->ustorm_st_context.common.flags =
4464 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_MC_ALIGNMENT;
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07004465 context->ustorm_st_context.common.mc_alignment_size =
4466 BCM_RX_ETH_PAYLOAD_ALIGN;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004467 context->ustorm_st_context.common.bd_buff_size =
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07004468 bp->rx_buf_size;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004469 context->ustorm_st_context.common.bd_page_base_hi =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004470 U64_HI(fp->rx_desc_mapping);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004471 context->ustorm_st_context.common.bd_page_base_lo =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004472 U64_LO(fp->rx_desc_mapping);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004473 if (!fp->disable_tpa) {
4474 context->ustorm_st_context.common.flags |=
4475 (USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_TPA |
4476 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_SGE_RING);
4477 context->ustorm_st_context.common.sge_buff_size =
4478 (u16)(BCM_PAGE_SIZE*PAGES_PER_SGE);
4479 context->ustorm_st_context.common.sge_page_base_hi =
4480 U64_HI(fp->rx_sge_mapping);
4481 context->ustorm_st_context.common.sge_page_base_lo =
4482 U64_LO(fp->rx_sge_mapping);
4483 }
4484
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004485 context->cstorm_st_context.sb_index_number =
Eilon Greenstein5c862842008-08-13 15:51:48 -07004486 C_SB_ETH_TX_CQ_INDEX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004487 context->cstorm_st_context.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004488
4489 context->xstorm_ag_context.cdu_reserved =
4490 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4491 CDU_REGION_NUMBER_XCM_AG,
4492 ETH_CONNECTION_TYPE);
4493 context->ustorm_ag_context.cdu_usage =
4494 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4495 CDU_REGION_NUMBER_UCM_AG,
4496 ETH_CONNECTION_TYPE);
4497 }
4498}
4499
4500static void bnx2x_init_ind_table(struct bnx2x *bp)
4501{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004502 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004503 int i;
4504
4505 if (!is_multi(bp))
4506 return;
4507
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004508 DP(NETIF_MSG_IFUP, "Initializing indirection table\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004509 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004510 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4511 TSTORM_INDIRECTION_TABLE_OFFSET(port) + i,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004512 i % bp->num_queues);
4513
4514 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
4515}
4516
Eliezer Tamir49d66772008-02-28 11:53:13 -08004517static void bnx2x_set_client_config(struct bnx2x *bp)
4518{
Eliezer Tamir49d66772008-02-28 11:53:13 -08004519 struct tstorm_eth_client_config tstorm_client = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004520 int port = BP_PORT(bp);
4521 int i;
Eliezer Tamir49d66772008-02-28 11:53:13 -08004522
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004523 tstorm_client.mtu = bp->dev->mtu + ETH_OVREHEAD;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004524 tstorm_client.statistics_counter_id = BP_CL_ID(bp);
Eliezer Tamir49d66772008-02-28 11:53:13 -08004525 tstorm_client.config_flags =
4526 TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE;
4527#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004528 if (bp->rx_mode && bp->vlgrp) {
Eliezer Tamir49d66772008-02-28 11:53:13 -08004529 tstorm_client.config_flags |=
4530 TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE;
4531 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
4532 }
4533#endif
Eliezer Tamir49d66772008-02-28 11:53:13 -08004534
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004535 if (bp->flags & TPA_ENABLE_FLAG) {
4536 tstorm_client.max_sges_for_packet =
4537 BCM_PAGE_ALIGN(tstorm_client.mtu) >> BCM_PAGE_SHIFT;
4538 tstorm_client.max_sges_for_packet =
4539 ((tstorm_client.max_sges_for_packet +
4540 PAGES_PER_SGE - 1) & (~(PAGES_PER_SGE - 1))) >>
4541 PAGES_PER_SGE_SHIFT;
4542
4543 tstorm_client.config_flags |=
4544 TSTORM_ETH_CLIENT_CONFIG_ENABLE_SGE_RING;
4545 }
4546
Eliezer Tamir49d66772008-02-28 11:53:13 -08004547 for_each_queue(bp, i) {
4548 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004549 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id),
Eliezer Tamir49d66772008-02-28 11:53:13 -08004550 ((u32 *)&tstorm_client)[0]);
4551 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004552 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id) + 4,
Eliezer Tamir49d66772008-02-28 11:53:13 -08004553 ((u32 *)&tstorm_client)[1]);
4554 }
4555
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004556 DP(BNX2X_MSG_OFF, "tstorm_client: 0x%08x 0x%08x\n",
4557 ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]);
Eliezer Tamir49d66772008-02-28 11:53:13 -08004558}
4559
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004560static void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
4561{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004562 struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004563 int mode = bp->rx_mode;
4564 int mask = (1 << BP_L_ID(bp));
4565 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004566 int i;
4567
Eilon Greenstein3196a882008-08-13 15:58:49 -07004568 DP(NETIF_MSG_IFUP, "rx mode %d mask 0x%x\n", mode, mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004569
4570 switch (mode) {
4571 case BNX2X_RX_MODE_NONE: /* no Rx */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004572 tstorm_mac_filter.ucast_drop_all = mask;
4573 tstorm_mac_filter.mcast_drop_all = mask;
4574 tstorm_mac_filter.bcast_drop_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004575 break;
4576 case BNX2X_RX_MODE_NORMAL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004577 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004578 break;
4579 case BNX2X_RX_MODE_ALLMULTI:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004580 tstorm_mac_filter.mcast_accept_all = mask;
4581 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004582 break;
4583 case BNX2X_RX_MODE_PROMISC:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004584 tstorm_mac_filter.ucast_accept_all = mask;
4585 tstorm_mac_filter.mcast_accept_all = mask;
4586 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004587 break;
4588 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004589 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4590 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004591 }
4592
4593 for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) {
4594 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004595 TSTORM_MAC_FILTER_CONFIG_OFFSET(func) + i * 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004596 ((u32 *)&tstorm_mac_filter)[i]);
4597
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004598/* DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004599 ((u32 *)&tstorm_mac_filter)[i]); */
4600 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004601
Eliezer Tamir49d66772008-02-28 11:53:13 -08004602 if (mode != BNX2X_RX_MODE_NONE)
4603 bnx2x_set_client_config(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004604}
4605
Eilon Greenstein471de712008-08-13 15:49:35 -07004606static void bnx2x_init_internal_common(struct bnx2x *bp)
4607{
4608 int i;
4609
Yitchak Gertner3cdf1db2008-08-25 15:24:21 -07004610 if (bp->flags & TPA_ENABLE_FLAG) {
4611 struct tstorm_eth_tpa_exist tpa = {0};
4612
4613 tpa.tpa_exist = 1;
4614
4615 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET,
4616 ((u32 *)&tpa)[0]);
4617 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET + 4,
4618 ((u32 *)&tpa)[1]);
4619 }
4620
Eilon Greenstein471de712008-08-13 15:49:35 -07004621 /* Zero this manually as its initialization is
4622 currently missing in the initTool */
4623 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4624 REG_WR(bp, BAR_USTRORM_INTMEM +
4625 USTORM_AGG_DATA_OFFSET + i * 4, 0);
4626}
4627
4628static void bnx2x_init_internal_port(struct bnx2x *bp)
4629{
4630 int port = BP_PORT(bp);
4631
4632 REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4633 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4634 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4635 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4636}
4637
4638static void bnx2x_init_internal_func(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004639{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004640 struct tstorm_eth_function_common_config tstorm_config = {0};
4641 struct stats_indication_flags stats_flags = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004642 int port = BP_PORT(bp);
4643 int func = BP_FUNC(bp);
4644 int i;
Eilon Greenstein471de712008-08-13 15:49:35 -07004645 u16 max_agg_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004646
4647 if (is_multi(bp)) {
4648 tstorm_config.config_flags = MULTI_FLAGS;
4649 tstorm_config.rss_result_mask = MULTI_MASK;
4650 }
4651
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004652 tstorm_config.leading_client_id = BP_L_ID(bp);
4653
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004654 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004655 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004656 (*(u32 *)&tstorm_config));
4657
Eliezer Tamirc14423f2008-02-28 11:49:42 -08004658 bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004659 bnx2x_set_storm_rx_mode(bp);
4660
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004661 /* reset xstorm per client statistics */
4662 for (i = 0; i < sizeof(struct xstorm_per_client_stats) / 4; i++) {
4663 REG_WR(bp, BAR_XSTRORM_INTMEM +
4664 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4665 i*4, 0);
4666 }
4667 /* reset tstorm per client statistics */
4668 for (i = 0; i < sizeof(struct tstorm_per_client_stats) / 4; i++) {
4669 REG_WR(bp, BAR_TSTRORM_INTMEM +
4670 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4671 i*4, 0);
4672 }
4673
4674 /* Init statistics related context */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004675 stats_flags.collect_eth = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004676
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004677 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004678 ((u32 *)&stats_flags)[0]);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004679 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004680 ((u32 *)&stats_flags)[1]);
4681
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004682 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004683 ((u32 *)&stats_flags)[0]);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004684 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004685 ((u32 *)&stats_flags)[1]);
4686
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004687 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004688 ((u32 *)&stats_flags)[0]);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004689 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004690 ((u32 *)&stats_flags)[1]);
4691
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004692 REG_WR(bp, BAR_XSTRORM_INTMEM +
4693 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4694 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4695 REG_WR(bp, BAR_XSTRORM_INTMEM +
4696 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4697 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
4698
4699 REG_WR(bp, BAR_TSTRORM_INTMEM +
4700 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4701 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4702 REG_WR(bp, BAR_TSTRORM_INTMEM +
4703 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4704 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004705
4706 if (CHIP_IS_E1H(bp)) {
4707 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
4708 IS_E1HMF(bp));
4709 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
4710 IS_E1HMF(bp));
4711 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
4712 IS_E1HMF(bp));
4713 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
4714 IS_E1HMF(bp));
4715
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004716 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(func),
4717 bp->e1hov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004718 }
4719
Eilon Greenstein471de712008-08-13 15:49:35 -07004720 /* Init CQ ring mapping and aggregation size */
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07004721 max_agg_size = min((u32)(bp->rx_buf_size +
Eilon Greenstein471de712008-08-13 15:49:35 -07004722 8*BCM_PAGE_SIZE*PAGES_PER_SGE),
4723 (u32)0xffff);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004724 for_each_queue(bp, i) {
4725 struct bnx2x_fastpath *fp = &bp->fp[i];
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004726
4727 REG_WR(bp, BAR_USTRORM_INTMEM +
4728 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)),
4729 U64_LO(fp->rx_comp_mapping));
4730 REG_WR(bp, BAR_USTRORM_INTMEM +
4731 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)) + 4,
4732 U64_HI(fp->rx_comp_mapping));
4733
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004734 REG_WR16(bp, BAR_USTRORM_INTMEM +
4735 USTORM_MAX_AGG_SIZE_OFFSET(port, FP_CL_ID(fp)),
4736 max_agg_size);
4737 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004738}
4739
Eilon Greenstein471de712008-08-13 15:49:35 -07004740static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4741{
4742 switch (load_code) {
4743 case FW_MSG_CODE_DRV_LOAD_COMMON:
4744 bnx2x_init_internal_common(bp);
4745 /* no break */
4746
4747 case FW_MSG_CODE_DRV_LOAD_PORT:
4748 bnx2x_init_internal_port(bp);
4749 /* no break */
4750
4751 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
4752 bnx2x_init_internal_func(bp);
4753 break;
4754
4755 default:
4756 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4757 break;
4758 }
4759}
4760
4761static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004762{
4763 int i;
4764
4765 for_each_queue(bp, i) {
4766 struct bnx2x_fastpath *fp = &bp->fp[i];
4767
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004768 fp->bp = bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004769 fp->state = BNX2X_FP_STATE_CLOSED;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004770 fp->index = i;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004771 fp->cl_id = BP_L_ID(bp) + i;
4772 fp->sb_id = fp->cl_id;
4773 DP(NETIF_MSG_IFUP,
4774 "bnx2x_init_sb(%p,%p) index %d cl_id %d sb %d\n",
4775 bp, fp->status_blk, i, FP_CL_ID(fp), FP_SB_ID(fp));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004776 bnx2x_init_sb(bp, fp->status_blk, fp->status_blk_mapping,
4777 FP_SB_ID(fp));
4778 bnx2x_update_fpsb_idx(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004779 }
4780
Eilon Greenstein5c862842008-08-13 15:51:48 -07004781 bnx2x_init_def_sb(bp, bp->def_status_blk, bp->def_status_blk_mapping,
4782 DEF_SB_ID);
4783 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004784 bnx2x_update_coalesce(bp);
4785 bnx2x_init_rx_rings(bp);
4786 bnx2x_init_tx_ring(bp);
4787 bnx2x_init_sp_ring(bp);
4788 bnx2x_init_context(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07004789 bnx2x_init_internal(bp, load_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004790 bnx2x_init_ind_table(bp);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08004791 bnx2x_int_enable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004792}
4793
4794/* end of nic init */
4795
4796/*
4797 * gzip service functions
4798 */
4799
4800static int bnx2x_gunzip_init(struct bnx2x *bp)
4801{
4802 bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE,
4803 &bp->gunzip_mapping);
4804 if (bp->gunzip_buf == NULL)
4805 goto gunzip_nomem1;
4806
4807 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4808 if (bp->strm == NULL)
4809 goto gunzip_nomem2;
4810
4811 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4812 GFP_KERNEL);
4813 if (bp->strm->workspace == NULL)
4814 goto gunzip_nomem3;
4815
4816 return 0;
4817
4818gunzip_nomem3:
4819 kfree(bp->strm);
4820 bp->strm = NULL;
4821
4822gunzip_nomem2:
4823 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4824 bp->gunzip_mapping);
4825 bp->gunzip_buf = NULL;
4826
4827gunzip_nomem1:
4828 printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for"
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004829 " un-compression\n", bp->dev->name);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004830 return -ENOMEM;
4831}
4832
4833static void bnx2x_gunzip_end(struct bnx2x *bp)
4834{
4835 kfree(bp->strm->workspace);
4836
4837 kfree(bp->strm);
4838 bp->strm = NULL;
4839
4840 if (bp->gunzip_buf) {
4841 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4842 bp->gunzip_mapping);
4843 bp->gunzip_buf = NULL;
4844 }
4845}
4846
4847static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len)
4848{
4849 int n, rc;
4850
4851 /* check gzip header */
4852 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED))
4853 return -EINVAL;
4854
4855 n = 10;
4856
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004857#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004858
4859 if (zbuf[3] & FNAME)
4860 while ((zbuf[n++] != 0) && (n < len));
4861
4862 bp->strm->next_in = zbuf + n;
4863 bp->strm->avail_in = len - n;
4864 bp->strm->next_out = bp->gunzip_buf;
4865 bp->strm->avail_out = FW_BUF_SIZE;
4866
4867 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4868 if (rc != Z_OK)
4869 return rc;
4870
4871 rc = zlib_inflate(bp->strm, Z_FINISH);
4872 if ((rc != Z_OK) && (rc != Z_STREAM_END))
4873 printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n",
4874 bp->dev->name, bp->strm->msg);
4875
4876 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4877 if (bp->gunzip_outlen & 0x3)
4878 printk(KERN_ERR PFX "%s: Firmware decompression error:"
4879 " gunzip_outlen (%d) not aligned\n",
4880 bp->dev->name, bp->gunzip_outlen);
4881 bp->gunzip_outlen >>= 2;
4882
4883 zlib_inflateEnd(bp->strm);
4884
4885 if (rc == Z_STREAM_END)
4886 return 0;
4887
4888 return rc;
4889}
4890
4891/* nic load/unload */
4892
4893/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004894 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004895 */
4896
4897/* send a NIG loopback debug packet */
4898static void bnx2x_lb_pckt(struct bnx2x *bp)
4899{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004900 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004901
4902 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004903 wb_write[0] = 0x55555555;
4904 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004905 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004906 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004907
4908 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004909 wb_write[0] = 0x09000000;
4910 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004911 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004912 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004913}
4914
4915/* some of the internal memories
4916 * are not directly readable from the driver
4917 * to test them we send debug packets
4918 */
4919static int bnx2x_int_mem_test(struct bnx2x *bp)
4920{
4921 int factor;
4922 int count, i;
4923 u32 val = 0;
4924
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004925 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004926 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004927 else if (CHIP_REV_IS_EMUL(bp))
4928 factor = 200;
4929 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004930 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004931
4932 DP(NETIF_MSG_HW, "start part1\n");
4933
4934 /* Disable inputs of parser neighbor blocks */
4935 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4936 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4937 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004938 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004939
4940 /* Write 0 to parser credits for CFC search request */
4941 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4942
4943 /* send Ethernet packet */
4944 bnx2x_lb_pckt(bp);
4945
4946 /* TODO do i reset NIG statistic? */
4947 /* Wait until NIG register shows 1 packet of size 0x10 */
4948 count = 1000 * factor;
4949 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004950
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004951 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4952 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004953 if (val == 0x10)
4954 break;
4955
4956 msleep(10);
4957 count--;
4958 }
4959 if (val != 0x10) {
4960 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4961 return -1;
4962 }
4963
4964 /* Wait until PRS register shows 1 packet */
4965 count = 1000 * factor;
4966 while (count) {
4967 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004968 if (val == 1)
4969 break;
4970
4971 msleep(10);
4972 count--;
4973 }
4974 if (val != 0x1) {
4975 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4976 return -2;
4977 }
4978
4979 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004980 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004981 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004982 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004983 msleep(50);
4984 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
4985 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
4986
4987 DP(NETIF_MSG_HW, "part2\n");
4988
4989 /* Disable inputs of parser neighbor blocks */
4990 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4991 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4992 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004993 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004994
4995 /* Write 0 to parser credits for CFC search request */
4996 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4997
4998 /* send 10 Ethernet packets */
4999 for (i = 0; i < 10; i++)
5000 bnx2x_lb_pckt(bp);
5001
5002 /* Wait until NIG register shows 10 + 1
5003 packets of size 11*0x10 = 0xb0 */
5004 count = 1000 * factor;
5005 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005006
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005007 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5008 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005009 if (val == 0xb0)
5010 break;
5011
5012 msleep(10);
5013 count--;
5014 }
5015 if (val != 0xb0) {
5016 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5017 return -3;
5018 }
5019
5020 /* Wait until PRS register shows 2 packets */
5021 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5022 if (val != 2)
5023 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5024
5025 /* Write 1 to parser credits for CFC search request */
5026 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
5027
5028 /* Wait until PRS register shows 3 packets */
5029 msleep(10 * factor);
5030 /* Wait until NIG register shows 1 packet of size 0x10 */
5031 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5032 if (val != 3)
5033 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5034
5035 /* clear NIG EOP FIFO */
5036 for (i = 0; i < 11; i++)
5037 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
5038 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
5039 if (val != 1) {
5040 BNX2X_ERR("clear of NIG failed\n");
5041 return -4;
5042 }
5043
5044 /* Reset and init BRB, PRS, NIG */
5045 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
5046 msleep(50);
5047 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
5048 msleep(50);
5049 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5050 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5051#ifndef BCM_ISCSI
5052 /* set NIC mode */
5053 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5054#endif
5055
5056 /* Enable inputs of parser neighbor blocks */
5057 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
5058 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
5059 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005060 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005061
5062 DP(NETIF_MSG_HW, "done\n");
5063
5064 return 0; /* OK */
5065}
5066
5067static void enable_blocks_attention(struct bnx2x *bp)
5068{
5069 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5070 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
5071 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5072 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5073 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
5074 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
5075 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
5076 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
5077 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005078/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
5079/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005080 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
5081 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
5082 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005083/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
5084/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005085 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
5086 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
5087 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
5088 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005089/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
5090/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
5091 if (CHIP_REV_IS_FPGA(bp))
5092 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
5093 else
5094 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005095 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
5096 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
5097 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005098/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
5099/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005100 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
5101 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005102/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
5103 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005104}
5105
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005106
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005107static int bnx2x_init_common(struct bnx2x *bp)
5108{
5109 u32 val, i;
5110
5111 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_FUNC(bp));
5112
5113 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
5114 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
5115
5116 bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END);
5117 if (CHIP_IS_E1H(bp))
5118 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_E1HMF(bp));
5119
5120 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100);
5121 msleep(30);
5122 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0);
5123
5124 bnx2x_init_block(bp, PXP_COMMON_START, PXP_COMMON_END);
5125 if (CHIP_IS_E1(bp)) {
5126 /* enable HW interrupt from PXP on USDM overflow
5127 bit 16 on INT_MASK_0 */
5128 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005129 }
5130
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005131 bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END);
5132 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005133
5134#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005135 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5136 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5137 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5138 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5139 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
5140 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005141
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005142/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5143 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5144 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5145 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5146 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005147#endif
5148
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005149 REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005150#ifdef BCM_ISCSI
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005151 REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5);
5152 REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5);
5153 REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005154#endif
5155
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005156 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5157 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005158
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005159 /* let the HW do it's magic ... */
5160 msleep(100);
5161 /* finish PXP init */
5162 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5163 if (val != 1) {
5164 BNX2X_ERR("PXP2 CFG failed\n");
5165 return -EBUSY;
5166 }
5167 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5168 if (val != 1) {
5169 BNX2X_ERR("PXP2 RD_INIT failed\n");
5170 return -EBUSY;
5171 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005172
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005173 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5174 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005175
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005176 bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005177
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005178 /* clean the DMAE memory */
5179 bp->dmae_ready = 1;
5180 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005181
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005182 bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END);
5183 bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END);
5184 bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END);
5185 bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005186
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005187 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5188 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5189 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5190 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5191
5192 bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END);
5193 /* soft reset pulse */
5194 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5195 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005196
5197#ifdef BCM_ISCSI
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005198 bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005199#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005200
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005201 bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END);
5202 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_SHIFT);
5203 if (!CHIP_REV_IS_SLOW(bp)) {
5204 /* enable hw interrupt from doorbell Q */
5205 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5206 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005207
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005208 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5209 if (CHIP_REV_IS_SLOW(bp)) {
5210 /* fix for emulation and FPGA for no pause */
5211 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0, 513);
5212 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_1, 513);
5213 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0, 0);
5214 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_1, 0);
5215 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005216
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005217 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005218 /* set NIC mode */
5219 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005220 if (CHIP_IS_E1H(bp))
5221 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_E1HMF(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005222
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005223 bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END);
5224 bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END);
5225 bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END);
5226 bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005227
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005228 if (CHIP_IS_E1H(bp)) {
5229 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5230 STORM_INTMEM_SIZE_E1H/2);
5231 bnx2x_init_fill(bp,
5232 TSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5233 0, STORM_INTMEM_SIZE_E1H/2);
5234 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5235 STORM_INTMEM_SIZE_E1H/2);
5236 bnx2x_init_fill(bp,
5237 CSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5238 0, STORM_INTMEM_SIZE_E1H/2);
5239 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5240 STORM_INTMEM_SIZE_E1H/2);
5241 bnx2x_init_fill(bp,
5242 XSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5243 0, STORM_INTMEM_SIZE_E1H/2);
5244 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5245 STORM_INTMEM_SIZE_E1H/2);
5246 bnx2x_init_fill(bp,
5247 USTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5248 0, STORM_INTMEM_SIZE_E1H/2);
5249 } else { /* E1 */
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005250 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5251 STORM_INTMEM_SIZE_E1);
5252 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5253 STORM_INTMEM_SIZE_E1);
5254 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5255 STORM_INTMEM_SIZE_E1);
5256 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5257 STORM_INTMEM_SIZE_E1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005258 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005259
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005260 bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END);
5261 bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END);
5262 bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END);
5263 bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005264
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005265 /* sync semi rtc */
5266 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5267 0x80000000);
5268 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5269 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005270
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005271 bnx2x_init_block(bp, UPB_COMMON_START, UPB_COMMON_END);
5272 bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END);
5273 bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005274
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005275 REG_WR(bp, SRC_REG_SOFT_RST, 1);
5276 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) {
5277 REG_WR(bp, i, 0xc0cac01a);
5278 /* TODO: replace with something meaningful */
5279 }
5280 if (CHIP_IS_E1H(bp))
5281 bnx2x_init_block(bp, SRCH_COMMON_START, SRCH_COMMON_END);
5282 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005283
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005284 if (sizeof(union cdu_context) != 1024)
5285 /* we currently assume that a context is 1024 bytes */
5286 printk(KERN_ALERT PFX "please adjust the size of"
5287 " cdu_context(%ld)\n", (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005288
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005289 bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END);
5290 val = (4 << 24) + (0 << 12) + 1024;
5291 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
5292 if (CHIP_IS_E1(bp)) {
5293 /* !!! fix pxp client crdit until excel update */
5294 REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264);
5295 REG_WR(bp, CDU_REG_CDU_DEBUG, 0);
5296 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005297
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005298 bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END);
5299 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005300
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005301 bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END);
5302 bnx2x_init_block(bp, MISC_AEU_COMMON_START, MISC_AEU_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005303
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005304 /* PXPCS COMMON comes here */
5305 /* Reset PCIE errors for debug */
5306 REG_WR(bp, 0x2814, 0xffffffff);
5307 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005308
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005309 /* EMAC0 COMMON comes here */
5310 /* EMAC1 COMMON comes here */
5311 /* DBU COMMON comes here */
5312 /* DBG COMMON comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005313
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005314 bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END);
5315 if (CHIP_IS_E1H(bp)) {
5316 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_E1HMF(bp));
5317 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_E1HMF(bp));
5318 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005319
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005320 if (CHIP_REV_IS_SLOW(bp))
5321 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005322
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005323 /* finish CFC init */
5324 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5325 if (val != 1) {
5326 BNX2X_ERR("CFC LL_INIT failed\n");
5327 return -EBUSY;
5328 }
5329 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5330 if (val != 1) {
5331 BNX2X_ERR("CFC AC_INIT failed\n");
5332 return -EBUSY;
5333 }
5334 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5335 if (val != 1) {
5336 BNX2X_ERR("CFC CAM_INIT failed\n");
5337 return -EBUSY;
5338 }
5339 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005340
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005341 /* read NIG statistic
5342 to see if this is our first up since powerup */
5343 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5344 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005345
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005346 /* do internal memory self test */
5347 if ((CHIP_IS_E1(bp)) && (val == 0) && bnx2x_int_mem_test(bp)) {
5348 BNX2X_ERR("internal mem self test failed\n");
5349 return -EBUSY;
5350 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005351
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005352 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
Eilon Greenstein7add9052008-08-25 15:20:48 -07005353 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005354 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5355 /* Fan failure is indicated by SPIO 5 */
5356 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
5357 MISC_REGISTERS_SPIO_INPUT_HI_Z);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005358
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005359 /* set to active low mode */
5360 val = REG_RD(bp, MISC_REG_SPIO_INT);
5361 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Eliezer Tamirf1410642008-02-28 11:51:50 -08005362 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005363 REG_WR(bp, MISC_REG_SPIO_INT, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005364
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005365 /* enable interrupt to signal the IGU */
5366 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
5367 val |= (1 << MISC_REGISTERS_SPIO_5);
5368 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
5369 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08005370
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005371 default:
5372 break;
5373 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08005374
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005375 /* clear PXP2 attentions */
5376 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005377
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005378 enable_blocks_attention(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005379
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005380 if (!BP_NOMCP(bp)) {
5381 bnx2x_acquire_phy_lock(bp);
5382 bnx2x_common_init_phy(bp, bp->common.shmem_base);
5383 bnx2x_release_phy_lock(bp);
5384 } else
5385 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5386
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005387 return 0;
5388}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005389
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005390static int bnx2x_init_port(struct bnx2x *bp)
5391{
5392 int port = BP_PORT(bp);
5393 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005394
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005395 DP(BNX2X_MSG_MCP, "starting port init port %x\n", port);
5396
5397 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005398
5399 /* Port PXP comes here */
5400 /* Port PXP2 comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005401#ifdef BCM_ISCSI
5402 /* Port0 1
5403 * Port1 385 */
5404 i++;
5405 wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping);
5406 wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping);
5407 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5408 REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i));
5409
5410 /* Port0 2
5411 * Port1 386 */
5412 i++;
5413 wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping);
5414 wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping);
5415 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5416 REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i));
5417
5418 /* Port0 3
5419 * Port1 387 */
5420 i++;
5421 wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping);
5422 wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping);
5423 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5424 REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i));
5425#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005426 /* Port CMs come here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005427
5428 /* Port QM comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005429#ifdef BCM_ISCSI
5430 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20);
5431 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31);
5432
5433 bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START,
5434 func ? TIMERS_PORT1_END : TIMERS_PORT0_END);
5435#endif
5436 /* Port DQ comes here */
5437 /* Port BRB1 comes here */
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005438 /* Port PRS comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005439 /* Port TSDM comes here */
5440 /* Port CSDM comes here */
5441 /* Port USDM comes here */
5442 /* Port XSDM comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005443 bnx2x_init_block(bp, port ? TSEM_PORT1_START : TSEM_PORT0_START,
5444 port ? TSEM_PORT1_END : TSEM_PORT0_END);
5445 bnx2x_init_block(bp, port ? USEM_PORT1_START : USEM_PORT0_START,
5446 port ? USEM_PORT1_END : USEM_PORT0_END);
5447 bnx2x_init_block(bp, port ? CSEM_PORT1_START : CSEM_PORT0_START,
5448 port ? CSEM_PORT1_END : CSEM_PORT0_END);
5449 bnx2x_init_block(bp, port ? XSEM_PORT1_START : XSEM_PORT0_START,
5450 port ? XSEM_PORT1_END : XSEM_PORT0_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005451 /* Port UPB comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005452 /* Port XPB comes here */
5453
5454 bnx2x_init_block(bp, port ? PBF_PORT1_START : PBF_PORT0_START,
5455 port ? PBF_PORT1_END : PBF_PORT0_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005456
5457 /* configure PBF to work without PAUSE mtu 9000 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005458 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005459
5460 /* update threshold */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005461 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005462 /* update init credit */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005463 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005464
5465 /* probe changes */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005466 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005467 msleep(5);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005468 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005469
5470#ifdef BCM_ISCSI
5471 /* tell the searcher where the T2 table is */
5472 REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64);
5473
5474 wb_write[0] = U64_LO(bp->t2_mapping);
5475 wb_write[1] = U64_HI(bp->t2_mapping);
5476 REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2);
5477 wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64);
5478 wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64);
5479 REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2);
5480
5481 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10);
5482 /* Port SRCH comes here */
5483#endif
5484 /* Port CDU comes here */
5485 /* Port CFC comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005486
5487 if (CHIP_IS_E1(bp)) {
5488 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5489 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5490 }
5491 bnx2x_init_block(bp, port ? HC_PORT1_START : HC_PORT0_START,
5492 port ? HC_PORT1_END : HC_PORT0_END);
5493
5494 bnx2x_init_block(bp, port ? MISC_AEU_PORT1_START :
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005495 MISC_AEU_PORT0_START,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005496 port ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END);
5497 /* init aeu_mask_attn_func_0/1:
5498 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5499 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5500 * bits 4-7 are used for "per vn group attention" */
5501 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4,
5502 (IS_E1HMF(bp) ? 0xF7 : 0x7));
5503
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005504 /* Port PXPCS comes here */
5505 /* Port EMAC0 comes here */
5506 /* Port EMAC1 comes here */
5507 /* Port DBU comes here */
5508 /* Port DBG comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005509 bnx2x_init_block(bp, port ? NIG_PORT1_START : NIG_PORT0_START,
5510 port ? NIG_PORT1_END : NIG_PORT0_END);
5511
5512 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5513
5514 if (CHIP_IS_E1H(bp)) {
5515 u32 wsum;
5516 struct cmng_struct_per_port m_cmng_port;
5517 int vn;
5518
5519 /* 0x2 disable e1hov, 0x1 enable */
5520 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
5521 (IS_E1HMF(bp) ? 0x1 : 0x2));
5522
5523 /* Init RATE SHAPING and FAIRNESS contexts.
5524 Initialize as if there is 10G link. */
5525 wsum = bnx2x_calc_vn_wsum(bp);
5526 bnx2x_init_port_minmax(bp, (int)wsum, 10000, &m_cmng_port);
5527 if (IS_E1HMF(bp))
5528 for (vn = VN_0; vn < E1HVN_MAX; vn++)
5529 bnx2x_init_vn_minmax(bp, 2*vn + port,
5530 wsum, 10000, &m_cmng_port);
5531 }
5532
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005533 /* Port MCP comes here */
5534 /* Port DMAE comes here */
5535
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005536 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
Eilon Greenstein7add9052008-08-25 15:20:48 -07005537 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
Eliezer Tamirf1410642008-02-28 11:51:50 -08005538 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5539 /* add SPIO 5 to group 0 */
5540 val = REG_RD(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5541 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
5542 REG_WR(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0, val);
5543 break;
5544
5545 default:
5546 break;
5547 }
5548
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07005549 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005550
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005551 return 0;
5552}
5553
5554#define ILT_PER_FUNC (768/2)
5555#define FUNC_ILT_BASE(func) (func * ILT_PER_FUNC)
5556/* the phys address is shifted right 12 bits and has an added
5557 1=valid bit added to the 53rd bit
5558 then since this is a wide register(TM)
5559 we split it into two 32 bit writes
5560 */
5561#define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF))
5562#define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44)))
5563#define PXP_ONE_ILT(x) (((x) << 10) | x)
5564#define PXP_ILT_RANGE(f, l) (((l) << 10) | f)
5565
5566#define CNIC_ILT_LINES 0
5567
5568static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5569{
5570 int reg;
5571
5572 if (CHIP_IS_E1H(bp))
5573 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5574 else /* E1 */
5575 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
5576
5577 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5578}
5579
5580static int bnx2x_init_func(struct bnx2x *bp)
5581{
5582 int port = BP_PORT(bp);
5583 int func = BP_FUNC(bp);
5584 int i;
5585
5586 DP(BNX2X_MSG_MCP, "starting func init func %x\n", func);
5587
5588 i = FUNC_ILT_BASE(func);
5589
5590 bnx2x_ilt_wr(bp, i, bnx2x_sp_mapping(bp, context));
5591 if (CHIP_IS_E1H(bp)) {
5592 REG_WR(bp, PXP2_REG_RQ_CDU_FIRST_ILT, i);
5593 REG_WR(bp, PXP2_REG_RQ_CDU_LAST_ILT, i + CNIC_ILT_LINES);
5594 } else /* E1 */
5595 REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4,
5596 PXP_ILT_RANGE(i, i + CNIC_ILT_LINES));
5597
5598
5599 if (CHIP_IS_E1H(bp)) {
5600 for (i = 0; i < 9; i++)
5601 bnx2x_init_block(bp,
5602 cm_start[func][i], cm_end[func][i]);
5603
5604 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
5605 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->e1hov);
5606 }
5607
5608 /* HC init per function */
5609 if (CHIP_IS_E1H(bp)) {
5610 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5611
5612 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5613 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5614 }
5615 bnx2x_init_block(bp, hc_limits[func][0], hc_limits[func][1]);
5616
5617 if (CHIP_IS_E1H(bp))
5618 REG_WR(bp, HC_REG_FUNC_NUM_P0 + port*4, func);
5619
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005620 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005621 REG_WR(bp, 0x2114, 0xffffffff);
5622 REG_WR(bp, 0x2120, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005623
5624 return 0;
5625}
5626
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005627static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5628{
5629 int i, rc = 0;
5630
5631 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
5632 BP_FUNC(bp), load_code);
5633
5634 bp->dmae_ready = 0;
5635 mutex_init(&bp->dmae_mutex);
5636 bnx2x_gunzip_init(bp);
5637
5638 switch (load_code) {
5639 case FW_MSG_CODE_DRV_LOAD_COMMON:
5640 rc = bnx2x_init_common(bp);
5641 if (rc)
5642 goto init_hw_err;
5643 /* no break */
5644
5645 case FW_MSG_CODE_DRV_LOAD_PORT:
5646 bp->dmae_ready = 1;
5647 rc = bnx2x_init_port(bp);
5648 if (rc)
5649 goto init_hw_err;
5650 /* no break */
5651
5652 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5653 bp->dmae_ready = 1;
5654 rc = bnx2x_init_func(bp);
5655 if (rc)
5656 goto init_hw_err;
5657 break;
5658
5659 default:
5660 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5661 break;
5662 }
5663
5664 if (!BP_NOMCP(bp)) {
5665 int func = BP_FUNC(bp);
5666
5667 bp->fw_drv_pulse_wr_seq =
5668 (SHMEM_RD(bp, func_mb[func].drv_pulse_mb) &
5669 DRV_PULSE_SEQ_MASK);
5670 bp->func_stx = SHMEM_RD(bp, func_mb[func].fw_mb_param);
5671 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x func_stx 0x%x\n",
5672 bp->fw_drv_pulse_wr_seq, bp->func_stx);
5673 } else
5674 bp->func_stx = 0;
5675
5676 /* this needs to be done before gunzip end */
5677 bnx2x_zero_def_sb(bp);
5678 for_each_queue(bp, i)
5679 bnx2x_zero_sb(bp, BP_L_ID(bp) + i);
5680
5681init_hw_err:
5682 bnx2x_gunzip_end(bp);
5683
5684 return rc;
5685}
5686
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005687/* send the MCP a request, block until there is a reply */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005688static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
5689{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005690 int func = BP_FUNC(bp);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005691 u32 seq = ++bp->fw_seq;
5692 u32 rc = 0;
Eilon Greenstein19680c42008-08-13 15:47:33 -07005693 u32 cnt = 1;
5694 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005695
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005696 SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq));
Eliezer Tamirf1410642008-02-28 11:51:50 -08005697 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005698
Eilon Greenstein19680c42008-08-13 15:47:33 -07005699 do {
5700 /* let the FW do it's magic ... */
5701 msleep(delay);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005702
Eilon Greenstein19680c42008-08-13 15:47:33 -07005703 rc = SHMEM_RD(bp, func_mb[func].fw_mb_header);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005704
Eilon Greenstein19680c42008-08-13 15:47:33 -07005705 /* Give the FW up to 2 second (200*10ms) */
5706 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 200));
5707
5708 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
5709 cnt*delay, rc, seq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005710
5711 /* is this a reply to our command? */
5712 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) {
5713 rc &= FW_MSG_CODE_MASK;
Eliezer Tamirf1410642008-02-28 11:51:50 -08005714
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005715 } else {
5716 /* FW BUG! */
5717 BNX2X_ERR("FW failed to respond!\n");
5718 bnx2x_fw_dump(bp);
5719 rc = 0;
5720 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08005721
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005722 return rc;
5723}
5724
5725static void bnx2x_free_mem(struct bnx2x *bp)
5726{
5727
5728#define BNX2X_PCI_FREE(x, y, size) \
5729 do { \
5730 if (x) { \
5731 pci_free_consistent(bp->pdev, size, x, y); \
5732 x = NULL; \
5733 y = 0; \
5734 } \
5735 } while (0)
5736
5737#define BNX2X_FREE(x) \
5738 do { \
5739 if (x) { \
5740 vfree(x); \
5741 x = NULL; \
5742 } \
5743 } while (0)
5744
5745 int i;
5746
5747 /* fastpath */
5748 for_each_queue(bp, i) {
5749
5750 /* Status blocks */
5751 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk),
5752 bnx2x_fp(bp, i, status_blk_mapping),
5753 sizeof(struct host_status_block) +
5754 sizeof(struct eth_tx_db_data));
5755
5756 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5757 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
5758 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
5759 bnx2x_fp(bp, i, tx_desc_mapping),
5760 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5761
5762 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5763 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5764 bnx2x_fp(bp, i, rx_desc_mapping),
5765 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5766
5767 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5768 bnx2x_fp(bp, i, rx_comp_mapping),
5769 sizeof(struct eth_fast_path_rx_cqe) *
5770 NUM_RCQ_BD);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005771
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005772 /* SGE ring */
Eilon Greenstein32626232008-08-13 15:51:07 -07005773 BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005774 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5775 bnx2x_fp(bp, i, rx_sge_mapping),
5776 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5777 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005778 /* end of fastpath */
5779
5780 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005781 sizeof(struct host_def_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005782
5783 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005784 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005785
5786#ifdef BCM_ISCSI
5787 BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024);
5788 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024);
5789 BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024);
5790 BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024);
5791#endif
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005792 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005793
5794#undef BNX2X_PCI_FREE
5795#undef BNX2X_KFREE
5796}
5797
5798static int bnx2x_alloc_mem(struct bnx2x *bp)
5799{
5800
5801#define BNX2X_PCI_ALLOC(x, y, size) \
5802 do { \
5803 x = pci_alloc_consistent(bp->pdev, size, y); \
5804 if (x == NULL) \
5805 goto alloc_mem_err; \
5806 memset(x, 0, size); \
5807 } while (0)
5808
5809#define BNX2X_ALLOC(x, size) \
5810 do { \
5811 x = vmalloc(size); \
5812 if (x == NULL) \
5813 goto alloc_mem_err; \
5814 memset(x, 0, size); \
5815 } while (0)
5816
5817 int i;
5818
5819 /* fastpath */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005820 for_each_queue(bp, i) {
5821 bnx2x_fp(bp, i, bp) = bp;
5822
5823 /* Status blocks */
5824 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk),
5825 &bnx2x_fp(bp, i, status_blk_mapping),
5826 sizeof(struct host_status_block) +
5827 sizeof(struct eth_tx_db_data));
5828
5829 bnx2x_fp(bp, i, hw_tx_prods) =
5830 (void *)(bnx2x_fp(bp, i, status_blk) + 1);
5831
5832 bnx2x_fp(bp, i, tx_prods_mapping) =
5833 bnx2x_fp(bp, i, status_blk_mapping) +
5834 sizeof(struct host_status_block);
5835
5836 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5837 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
5838 sizeof(struct sw_tx_bd) * NUM_TX_BD);
5839 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
5840 &bnx2x_fp(bp, i, tx_desc_mapping),
5841 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5842
5843 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
5844 sizeof(struct sw_rx_bd) * NUM_RX_BD);
5845 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
5846 &bnx2x_fp(bp, i, rx_desc_mapping),
5847 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5848
5849 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
5850 &bnx2x_fp(bp, i, rx_comp_mapping),
5851 sizeof(struct eth_fast_path_rx_cqe) *
5852 NUM_RCQ_BD);
5853
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005854 /* SGE ring */
5855 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
5856 sizeof(struct sw_rx_page) * NUM_RX_SGE);
5857 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
5858 &bnx2x_fp(bp, i, rx_sge_mapping),
5859 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005860 }
5861 /* end of fastpath */
5862
5863 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
5864 sizeof(struct host_def_status_block));
5865
5866 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5867 sizeof(struct bnx2x_slowpath));
5868
5869#ifdef BCM_ISCSI
5870 BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024);
5871
5872 /* Initialize T1 */
5873 for (i = 0; i < 64*1024; i += 64) {
5874 *(u64 *)((char *)bp->t1 + i + 56) = 0x0UL;
5875 *(u64 *)((char *)bp->t1 + i + 3) = 0x0UL;
5876 }
5877
5878 /* allocate searcher T2 table
5879 we allocate 1/4 of alloc num for T2
5880 (which is not entered into the ILT) */
5881 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024);
5882
5883 /* Initialize T2 */
5884 for (i = 0; i < 16*1024; i += 64)
5885 * (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64;
5886
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005887 /* now fixup the last line in the block to point to the next block */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005888 *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping;
5889
5890 /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */
5891 BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024);
5892
5893 /* QM queues (128*MAX_CONN) */
5894 BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024);
5895#endif
5896
5897 /* Slow path ring */
5898 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5899
5900 return 0;
5901
5902alloc_mem_err:
5903 bnx2x_free_mem(bp);
5904 return -ENOMEM;
5905
5906#undef BNX2X_PCI_ALLOC
5907#undef BNX2X_ALLOC
5908}
5909
5910static void bnx2x_free_tx_skbs(struct bnx2x *bp)
5911{
5912 int i;
5913
5914 for_each_queue(bp, i) {
5915 struct bnx2x_fastpath *fp = &bp->fp[i];
5916
5917 u16 bd_cons = fp->tx_bd_cons;
5918 u16 sw_prod = fp->tx_pkt_prod;
5919 u16 sw_cons = fp->tx_pkt_cons;
5920
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005921 while (sw_cons != sw_prod) {
5922 bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons));
5923 sw_cons++;
5924 }
5925 }
5926}
5927
5928static void bnx2x_free_rx_skbs(struct bnx2x *bp)
5929{
5930 int i, j;
5931
5932 for_each_queue(bp, j) {
5933 struct bnx2x_fastpath *fp = &bp->fp[j];
5934
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005935 for (i = 0; i < NUM_RX_BD; i++) {
5936 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i];
5937 struct sk_buff *skb = rx_buf->skb;
5938
5939 if (skb == NULL)
5940 continue;
5941
5942 pci_unmap_single(bp->pdev,
5943 pci_unmap_addr(rx_buf, mapping),
Eilon Greenstein437cf2f2008-09-03 14:38:00 -07005944 bp->rx_buf_size,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005945 PCI_DMA_FROMDEVICE);
5946
5947 rx_buf->skb = NULL;
5948 dev_kfree_skb(skb);
5949 }
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005950 if (!fp->disable_tpa)
Eilon Greenstein32626232008-08-13 15:51:07 -07005951 bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ?
5952 ETH_MAX_AGGREGATION_QUEUES_E1 :
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005953 ETH_MAX_AGGREGATION_QUEUES_E1H);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005954 }
5955}
5956
5957static void bnx2x_free_skbs(struct bnx2x *bp)
5958{
5959 bnx2x_free_tx_skbs(bp);
5960 bnx2x_free_rx_skbs(bp);
5961}
5962
5963static void bnx2x_free_msix_irqs(struct bnx2x *bp)
5964{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005965 int i, offset = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005966
5967 free_irq(bp->msix_table[0].vector, bp->dev);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005968 DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005969 bp->msix_table[0].vector);
5970
5971 for_each_queue(bp, i) {
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005972 DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq "
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005973 "state %x\n", i, bp->msix_table[i + offset].vector,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005974 bnx2x_fp(bp, i, state));
5975
Eliezer Tamir228241e2008-02-28 11:56:57 -08005976 if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED)
5977 BNX2X_ERR("IRQ of fp #%d being freed while "
5978 "state != closed\n", i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005979
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005980 free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005981 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005982}
5983
5984static void bnx2x_free_irq(struct bnx2x *bp)
5985{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005986 if (bp->flags & USING_MSIX_FLAG) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005987 bnx2x_free_msix_irqs(bp);
5988 pci_disable_msix(bp->pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005989 bp->flags &= ~USING_MSIX_FLAG;
5990
5991 } else
5992 free_irq(bp->pdev->irq, bp->dev);
5993}
5994
5995static int bnx2x_enable_msix(struct bnx2x *bp)
5996{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005997 int i, rc, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005998
5999 bp->msix_table[0].entry = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006000 offset = 1;
6001 DP(NETIF_MSG_IFUP, "msix_table[0].entry = 0 (slowpath)\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006002
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006003 for_each_queue(bp, i) {
6004 int igu_vec = offset + i + BP_L_ID(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006005
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006006 bp->msix_table[i + offset].entry = igu_vec;
6007 DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d "
6008 "(fastpath #%u)\n", i + offset, igu_vec, i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006009 }
6010
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006011 rc = pci_enable_msix(bp->pdev, &bp->msix_table[0],
6012 bp->num_queues + offset);
6013 if (rc) {
6014 DP(NETIF_MSG_IFUP, "MSI-X is not attainable\n");
6015 return -1;
6016 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006017 bp->flags |= USING_MSIX_FLAG;
6018
6019 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006020}
6021
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006022static int bnx2x_req_msix_irqs(struct bnx2x *bp)
6023{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006024 int i, rc, offset = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006025
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006026 rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0,
6027 bp->dev->name, bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006028 if (rc) {
6029 BNX2X_ERR("request sp irq failed\n");
6030 return -EBUSY;
6031 }
6032
6033 for_each_queue(bp, i) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006034 rc = request_irq(bp->msix_table[i + offset].vector,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006035 bnx2x_msix_fp_int, 0,
6036 bp->dev->name, &bp->fp[i]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006037 if (rc) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07006038 BNX2X_ERR("request fp #%d irq failed rc -%d\n",
6039 i + offset, -rc);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006040 bnx2x_free_msix_irqs(bp);
6041 return -EBUSY;
6042 }
6043
6044 bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006045 }
6046
6047 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006048}
6049
6050static int bnx2x_req_irq(struct bnx2x *bp)
6051{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006052 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006053
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006054 rc = request_irq(bp->pdev->irq, bnx2x_interrupt, IRQF_SHARED,
6055 bp->dev->name, bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006056 if (!rc)
6057 bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ;
6058
6059 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006060}
6061
Yitchak Gertner65abd742008-08-25 15:26:24 -07006062static void bnx2x_napi_enable(struct bnx2x *bp)
6063{
6064 int i;
6065
6066 for_each_queue(bp, i)
6067 napi_enable(&bnx2x_fp(bp, i, napi));
6068}
6069
6070static void bnx2x_napi_disable(struct bnx2x *bp)
6071{
6072 int i;
6073
6074 for_each_queue(bp, i)
6075 napi_disable(&bnx2x_fp(bp, i, napi));
6076}
6077
6078static void bnx2x_netif_start(struct bnx2x *bp)
6079{
6080 if (atomic_dec_and_test(&bp->intr_sem)) {
6081 if (netif_running(bp->dev)) {
6082 if (bp->state == BNX2X_STATE_OPEN)
6083 netif_wake_queue(bp->dev);
6084 bnx2x_napi_enable(bp);
6085 bnx2x_int_enable(bp);
6086 }
6087 }
6088}
6089
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07006090static void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw)
Yitchak Gertner65abd742008-08-25 15:26:24 -07006091{
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07006092 bnx2x_int_disable_sync(bp, disable_hw);
Yitchak Gertner65abd742008-08-25 15:26:24 -07006093 if (netif_running(bp->dev)) {
6094 bnx2x_napi_disable(bp);
6095 netif_tx_disable(bp->dev);
6096 bp->dev->trans_start = jiffies; /* prevent tx timeout */
6097 }
6098}
6099
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006100/*
6101 * Init service functions
6102 */
6103
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006104static void bnx2x_set_mac_addr_e1(struct bnx2x *bp, int set)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006105{
6106 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006107 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006108
6109 /* CAM allocation
6110 * unicasts 0-31:port0 32-63:port1
6111 * multicast 64-127:port0 128-191:port1
6112 */
6113 config->hdr.length_6b = 2;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006114 config->hdr.offset = port ? 31 : 0;
6115 config->hdr.client_id = BP_CL_ID(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006116 config->hdr.reserved1 = 0;
6117
6118 /* primary MAC */
6119 config->config_table[0].cam_entry.msb_mac_addr =
6120 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6121 config->config_table[0].cam_entry.middle_mac_addr =
6122 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6123 config->config_table[0].cam_entry.lsb_mac_addr =
6124 swab16(*(u16 *)&bp->dev->dev_addr[4]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006125 config->config_table[0].cam_entry.flags = cpu_to_le16(port);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006126 if (set)
6127 config->config_table[0].target_table_entry.flags = 0;
6128 else
6129 CAM_INVALIDATE(config->config_table[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006130 config->config_table[0].target_table_entry.client_id = 0;
6131 config->config_table[0].target_table_entry.vlan_id = 0;
6132
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006133 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)\n",
6134 (set ? "setting" : "clearing"),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006135 config->config_table[0].cam_entry.msb_mac_addr,
6136 config->config_table[0].cam_entry.middle_mac_addr,
6137 config->config_table[0].cam_entry.lsb_mac_addr);
6138
6139 /* broadcast */
6140 config->config_table[1].cam_entry.msb_mac_addr = 0xffff;
6141 config->config_table[1].cam_entry.middle_mac_addr = 0xffff;
6142 config->config_table[1].cam_entry.lsb_mac_addr = 0xffff;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006143 config->config_table[1].cam_entry.flags = cpu_to_le16(port);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006144 if (set)
6145 config->config_table[1].target_table_entry.flags =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006146 TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST;
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006147 else
6148 CAM_INVALIDATE(config->config_table[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006149 config->config_table[1].target_table_entry.client_id = 0;
6150 config->config_table[1].target_table_entry.vlan_id = 0;
6151
6152 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6153 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6154 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6155}
6156
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006157static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp, int set)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006158{
6159 struct mac_configuration_cmd_e1h *config =
6160 (struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config);
6161
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006162 if (set && (bp->state != BNX2X_STATE_OPEN)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006163 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
6164 return;
6165 }
6166
6167 /* CAM allocation for E1H
6168 * unicasts: by func number
6169 * multicast: 20+FUNC*20, 20 each
6170 */
6171 config->hdr.length_6b = 1;
6172 config->hdr.offset = BP_FUNC(bp);
6173 config->hdr.client_id = BP_CL_ID(bp);
6174 config->hdr.reserved1 = 0;
6175
6176 /* primary MAC */
6177 config->config_table[0].msb_mac_addr =
6178 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6179 config->config_table[0].middle_mac_addr =
6180 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6181 config->config_table[0].lsb_mac_addr =
6182 swab16(*(u16 *)&bp->dev->dev_addr[4]);
6183 config->config_table[0].client_id = BP_L_ID(bp);
6184 config->config_table[0].vlan_id = 0;
6185 config->config_table[0].e1hov_id = cpu_to_le16(bp->e1hov);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006186 if (set)
6187 config->config_table[0].flags = BP_PORT(bp);
6188 else
6189 config->config_table[0].flags =
6190 MAC_CONFIGURATION_ENTRY_E1H_ACTION_TYPE;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006191
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006192 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) E1HOV %d CLID %d\n",
6193 (set ? "setting" : "clearing"),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006194 config->config_table[0].msb_mac_addr,
6195 config->config_table[0].middle_mac_addr,
6196 config->config_table[0].lsb_mac_addr, bp->e1hov, BP_L_ID(bp));
6197
6198 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6199 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6200 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6201}
6202
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006203static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6204 int *state_p, int poll)
6205{
6206 /* can take a while if any port is running */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006207 int cnt = 500;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006208
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006209 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6210 poll ? "polling" : "waiting", state, idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006211
6212 might_sleep();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006213 while (cnt--) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006214 if (poll) {
6215 bnx2x_rx_int(bp->fp, 10);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006216 /* if index is different from 0
6217 * the reply for some commands will
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006218 * be on the non default queue
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006219 */
6220 if (idx)
6221 bnx2x_rx_int(&bp->fp[idx], 10);
6222 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006223
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006224 mb(); /* state is changed by bnx2x_sp_event() */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006225 if (*state_p == state)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006226 return 0;
6227
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006228 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006229 }
6230
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006231 /* timeout! */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006232 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6233 poll ? "polling" : "waiting", state, idx);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006234#ifdef BNX2X_STOP_ON_ERROR
6235 bnx2x_panic();
6236#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006237
Eliezer Tamir49d66772008-02-28 11:53:13 -08006238 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006239}
6240
6241static int bnx2x_setup_leading(struct bnx2x *bp)
6242{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006243 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006244
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006245 /* reset IGU state */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006246 bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006247
6248 /* SETUP ramrod */
6249 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0);
6250
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006251 /* Wait for completion */
6252 rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006253
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006254 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006255}
6256
6257static int bnx2x_setup_multi(struct bnx2x *bp, int index)
6258{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006259 /* reset IGU state */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006260 bnx2x_ack_sb(bp, bp->fp[index].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006261
Eliezer Tamir228241e2008-02-28 11:56:57 -08006262 /* SETUP ramrod */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006263 bp->fp[index].state = BNX2X_FP_STATE_OPENING;
6264 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0);
6265
6266 /* Wait for completion */
6267 return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index,
Eliezer Tamir228241e2008-02-28 11:56:57 -08006268 &(bp->fp[index].state), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006269}
6270
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006271static int bnx2x_poll(struct napi_struct *napi, int budget);
6272static void bnx2x_set_rx_mode(struct net_device *dev);
6273
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006274/* must be called with rtnl_lock */
6275static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006276{
Eliezer Tamir228241e2008-02-28 11:56:57 -08006277 u32 load_code;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006278 int i, rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006279#ifdef BNX2X_STOP_ON_ERROR
6280 if (unlikely(bp->panic))
6281 return -EPERM;
6282#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006283
6284 bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;
6285
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006286 /* Send LOAD_REQUEST command to MCP
6287 Returns the type of LOAD command:
6288 if it is the first port to be initialized
6289 common blocks should be initialized, otherwise - not
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006290 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006291 if (!BP_NOMCP(bp)) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08006292 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ);
6293 if (!load_code) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006294 BNX2X_ERR("MCP response failure, aborting\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08006295 return -EBUSY;
6296 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006297 if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006298 return -EBUSY; /* other port in diagnostic mode */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006299
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006300 } else {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006301 int port = BP_PORT(bp);
6302
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006303 DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n",
6304 load_count[0], load_count[1], load_count[2]);
6305 load_count[0]++;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006306 load_count[1 + port]++;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006307 DP(NETIF_MSG_IFUP, "NO MCP new load counts %d, %d, %d\n",
6308 load_count[0], load_count[1], load_count[2]);
6309 if (load_count[0] == 1)
6310 load_code = FW_MSG_CODE_DRV_LOAD_COMMON;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006311 else if (load_count[1 + port] == 1)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006312 load_code = FW_MSG_CODE_DRV_LOAD_PORT;
6313 else
6314 load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006315 }
6316
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006317 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) ||
6318 (load_code == FW_MSG_CODE_DRV_LOAD_PORT))
6319 bp->port.pmf = 1;
6320 else
6321 bp->port.pmf = 0;
6322 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
6323
6324 /* if we can't use MSI-X we only need one fp,
6325 * so try to enable MSI-X with the requested number of fp's
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006326 * and fallback to inta with one fp
6327 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006328 if (use_inta) {
6329 bp->num_queues = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006330
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006331 } else {
6332 if ((use_multi > 1) && (use_multi <= BP_MAX_QUEUES(bp)))
6333 /* user requested number */
6334 bp->num_queues = use_multi;
6335
6336 else if (use_multi)
6337 bp->num_queues = min_t(u32, num_online_cpus(),
6338 BP_MAX_QUEUES(bp));
6339 else
6340 bp->num_queues = 1;
6341
6342 if (bnx2x_enable_msix(bp)) {
6343 /* failed to enable MSI-X */
6344 bp->num_queues = 1;
6345 if (use_multi)
6346 BNX2X_ERR("Multi requested but failed"
6347 " to enable MSI-X\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006348 }
6349 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006350 DP(NETIF_MSG_IFUP,
6351 "set number of queues to %d\n", bp->num_queues);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006352
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006353 if (bnx2x_alloc_mem(bp))
6354 return -ENOMEM;
6355
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006356 for_each_queue(bp, i)
6357 bnx2x_fp(bp, i, disable_tpa) =
6358 ((bp->flags & TPA_ENABLE_FLAG) == 0);
6359
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006360 if (bp->flags & USING_MSIX_FLAG) {
6361 rc = bnx2x_req_msix_irqs(bp);
6362 if (rc) {
6363 pci_disable_msix(bp->pdev);
6364 goto load_error;
6365 }
6366 } else {
6367 bnx2x_ack_int(bp);
6368 rc = bnx2x_req_irq(bp);
6369 if (rc) {
6370 BNX2X_ERR("IRQ request failed, aborting\n");
6371 goto load_error;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006372 }
6373 }
6374
6375 for_each_queue(bp, i)
6376 netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
6377 bnx2x_poll, 128);
6378
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006379 /* Initialize HW */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006380 rc = bnx2x_init_hw(bp, load_code);
6381 if (rc) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006382 BNX2X_ERR("HW init failed, aborting\n");
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006383 goto load_int_disable;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006384 }
6385
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006386 /* Setup NIC internals and enable interrupts */
Eilon Greenstein471de712008-08-13 15:49:35 -07006387 bnx2x_nic_init(bp, load_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006388
6389 /* Send LOAD_DONE command to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006390 if (!BP_NOMCP(bp)) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08006391 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE);
6392 if (!load_code) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006393 BNX2X_ERR("MCP response failure, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006394 rc = -EBUSY;
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006395 goto load_rings_free;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006396 }
6397 }
6398
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07006399 bnx2x_stats_init(bp);
6400
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006401 bp->state = BNX2X_STATE_OPENING_WAIT4_PORT;
6402
6403 /* Enable Rx interrupt handling before sending the ramrod
6404 as it's completed on Rx FP queue */
Yitchak Gertner65abd742008-08-25 15:26:24 -07006405 bnx2x_napi_enable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006406
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006407 /* Enable interrupt handling */
6408 atomic_set(&bp->intr_sem, 0);
6409
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006410 rc = bnx2x_setup_leading(bp);
6411 if (rc) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006412 BNX2X_ERR("Setup leading failed!\n");
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006413 goto load_netif_stop;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006414 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006415
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006416 if (CHIP_IS_E1H(bp))
6417 if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) {
6418 BNX2X_ERR("!!! mf_cfg function disabled\n");
6419 bp->state = BNX2X_STATE_DISABLED;
6420 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006421
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006422 if (bp->state == BNX2X_STATE_OPEN)
6423 for_each_nondefault_queue(bp, i) {
6424 rc = bnx2x_setup_multi(bp, i);
6425 if (rc)
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006426 goto load_netif_stop;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006427 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006428
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006429 if (CHIP_IS_E1(bp))
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006430 bnx2x_set_mac_addr_e1(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006431 else
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006432 bnx2x_set_mac_addr_e1h(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006433
6434 if (bp->port.pmf)
6435 bnx2x_initial_phy_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006436
6437 /* Start fast path */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006438 switch (load_mode) {
6439 case LOAD_NORMAL:
6440 /* Tx queue should be only reenabled */
6441 netif_wake_queue(bp->dev);
6442 bnx2x_set_rx_mode(bp->dev);
6443 break;
6444
6445 case LOAD_OPEN:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006446 netif_start_queue(bp->dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006447 bnx2x_set_rx_mode(bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006448 if (bp->flags & USING_MSIX_FLAG)
6449 printk(KERN_INFO PFX "%s: using MSI-X\n",
6450 bp->dev->name);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006451 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006452
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006453 case LOAD_DIAG:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006454 bnx2x_set_rx_mode(bp->dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006455 bp->state = BNX2X_STATE_DIAG;
6456 break;
6457
6458 default:
6459 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006460 }
6461
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006462 if (!bp->port.pmf)
6463 bnx2x__link_status_update(bp);
6464
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006465 /* start the timer */
6466 mod_timer(&bp->timer, jiffies + bp->current_interval);
6467
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006468
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006469 return 0;
6470
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006471load_netif_stop:
Yitchak Gertner65abd742008-08-25 15:26:24 -07006472 bnx2x_napi_disable(bp);
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006473load_rings_free:
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006474 /* Free SKBs, SGEs, TPA pool and driver internals */
6475 bnx2x_free_skbs(bp);
6476 for_each_queue(bp, i)
Eilon Greenstein3196a882008-08-13 15:58:49 -07006477 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006478load_int_disable:
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07006479 bnx2x_int_disable_sync(bp, 1);
Yitchak Gertnerd1014632008-08-25 15:25:45 -07006480 /* Release IRQs */
6481 bnx2x_free_irq(bp);
Eliezer Tamir228241e2008-02-28 11:56:57 -08006482load_error:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006483 bnx2x_free_mem(bp);
Eilon Greenstein9a035442008-11-03 16:45:55 -08006484 bp->port.pmf = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006485
6486 /* TBD we really need to reset the chip
6487 if we want to recover from this */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006488 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006489}
6490
6491static int bnx2x_stop_multi(struct bnx2x *bp, int index)
6492{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006493 int rc;
6494
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006495 /* halt the connection */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006496 bp->fp[index].state = BNX2X_FP_STATE_HALTING;
Yitchak Gertner231fd582008-08-25 15:27:06 -07006497 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, index, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006498
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006499 /* Wait for completion */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006500 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006501 &(bp->fp[index].state), 1);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006502 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006503 return rc;
6504
6505 /* delete cfc entry */
6506 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1);
6507
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006508 /* Wait for completion */
6509 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index,
6510 &(bp->fp[index].state), 1);
6511 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006512}
6513
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006514static int bnx2x_stop_leading(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006515{
Eliezer Tamir49d66772008-02-28 11:53:13 -08006516 u16 dsb_sp_prod_idx;
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006517 /* if the other port is handling traffic,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006518 this can take a lot of time */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006519 int cnt = 500;
6520 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006521
6522 might_sleep();
6523
6524 /* Send HALT ramrod */
6525 bp->fp[0].state = BNX2X_FP_STATE_HALTING;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006526 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, BP_CL_ID(bp), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006527
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006528 /* Wait for completion */
6529 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0,
6530 &(bp->fp[0].state), 1);
6531 if (rc) /* timeout */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006532 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006533
Eliezer Tamir49d66772008-02-28 11:53:13 -08006534 dsb_sp_prod_idx = *bp->dsb_sp_prod;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006535
Eliezer Tamir228241e2008-02-28 11:56:57 -08006536 /* Send PORT_DELETE ramrod */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006537 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1);
6538
Eliezer Tamir49d66772008-02-28 11:53:13 -08006539 /* Wait for completion to arrive on default status block
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006540 we are going to reset the chip anyway
6541 so there is not much to do if this times out
6542 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006543 while (dsb_sp_prod_idx == *bp->dsb_sp_prod) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006544 if (!cnt) {
6545 DP(NETIF_MSG_IFDOWN, "timeout waiting for port del "
6546 "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n",
6547 *bp->dsb_sp_prod, dsb_sp_prod_idx);
6548#ifdef BNX2X_STOP_ON_ERROR
6549 bnx2x_panic();
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006550#else
6551 rc = -EBUSY;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006552#endif
6553 break;
6554 }
6555 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006556 msleep(1);
Eliezer Tamir49d66772008-02-28 11:53:13 -08006557 }
6558 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
6559 bp->fp[0].state = BNX2X_FP_STATE_CLOSED;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006560
6561 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006562}
6563
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006564static void bnx2x_reset_func(struct bnx2x *bp)
6565{
6566 int port = BP_PORT(bp);
6567 int func = BP_FUNC(bp);
6568 int base, i;
Eliezer Tamir49d66772008-02-28 11:53:13 -08006569
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006570 /* Configure IGU */
6571 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6572 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6573
6574 REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000);
6575
6576 /* Clear ILT */
6577 base = FUNC_ILT_BASE(func);
6578 for (i = base; i < base + ILT_PER_FUNC; i++)
6579 bnx2x_ilt_wr(bp, i, 0);
6580}
6581
6582static void bnx2x_reset_port(struct bnx2x *bp)
6583{
6584 int port = BP_PORT(bp);
6585 u32 val;
6586
6587 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6588
6589 /* Do not rcv packets to BRB */
6590 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6591 /* Do not direct rcv packets that are not for MCP to the BRB */
6592 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6593 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6594
6595 /* Configure AEU */
6596 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6597
6598 msleep(100);
6599 /* Check for BRB port occupancy */
6600 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6601 if (val)
6602 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07006603 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006604
6605 /* TODO: Close Doorbell port? */
6606}
6607
6608static void bnx2x_reset_common(struct bnx2x *bp)
6609{
6610 /* reset_common */
6611 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6612 0xd3ffff7f);
6613 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
6614}
6615
6616static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6617{
6618 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
6619 BP_FUNC(bp), reset_code);
6620
6621 switch (reset_code) {
6622 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
6623 bnx2x_reset_port(bp);
6624 bnx2x_reset_func(bp);
6625 bnx2x_reset_common(bp);
6626 break;
6627
6628 case FW_MSG_CODE_DRV_UNLOAD_PORT:
6629 bnx2x_reset_port(bp);
6630 bnx2x_reset_func(bp);
6631 break;
6632
6633 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
6634 bnx2x_reset_func(bp);
6635 break;
6636
6637 default:
6638 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
6639 break;
6640 }
6641}
6642
Eilon Greenstein33471622008-08-13 15:59:08 -07006643/* must be called with rtnl_lock */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006644static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006645{
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006646 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006647 u32 reset_code = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006648 int i, cnt, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006649
6650 bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;
6651
Eliezer Tamir228241e2008-02-28 11:56:57 -08006652 bp->rx_mode = BNX2X_RX_MODE_NONE;
6653 bnx2x_set_storm_rx_mode(bp);
6654
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07006655 bnx2x_netif_stop(bp, 1);
Yitchak Gertner65abd742008-08-25 15:26:24 -07006656 if (!netif_running(bp->dev))
6657 bnx2x_napi_disable(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006658 del_timer_sync(&bp->timer);
6659 SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb,
6660 (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq));
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07006661 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006662
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006663 /* Wait until tx fast path tasks complete */
Eliezer Tamir228241e2008-02-28 11:56:57 -08006664 for_each_queue(bp, i) {
6665 struct bnx2x_fastpath *fp = &bp->fp[i];
6666
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006667 cnt = 1000;
6668 smp_rmb();
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006669 while (BNX2X_HAS_TX_WORK(fp)) {
6670
Yitchak Gertner65abd742008-08-25 15:26:24 -07006671 bnx2x_tx_int(fp, 1000);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006672 if (!cnt) {
6673 BNX2X_ERR("timeout waiting for queue[%d]\n",
6674 i);
6675#ifdef BNX2X_STOP_ON_ERROR
6676 bnx2x_panic();
6677 return -EBUSY;
6678#else
6679 break;
6680#endif
6681 }
6682 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006683 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006684 smp_rmb();
6685 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08006686 }
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006687 /* Give HW time to discard old tx messages */
6688 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006689
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006690 /* Release IRQs */
6691 bnx2x_free_irq(bp);
6692
Yitchak Gertner65abd742008-08-25 15:26:24 -07006693 if (CHIP_IS_E1(bp)) {
6694 struct mac_configuration_cmd *config =
6695 bnx2x_sp(bp, mcast_config);
6696
6697 bnx2x_set_mac_addr_e1(bp, 0);
6698
6699 for (i = 0; i < config->hdr.length_6b; i++)
6700 CAM_INVALIDATE(config->config_table[i]);
6701
6702 config->hdr.length_6b = i;
6703 if (CHIP_REV_IS_SLOW(bp))
6704 config->hdr.offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
6705 else
6706 config->hdr.offset = BNX2X_MAX_MULTICAST*(1 + port);
6707 config->hdr.client_id = BP_CL_ID(bp);
6708 config->hdr.reserved1 = 0;
6709
6710 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6711 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
6712 U64_LO(bnx2x_sp_mapping(bp, mcast_config)), 0);
6713
6714 } else { /* E1H */
6715 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
6716
6717 bnx2x_set_mac_addr_e1h(bp, 0);
6718
6719 for (i = 0; i < MC_HASH_SIZE; i++)
6720 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
6721 }
6722
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006723 if (unload_mode == UNLOAD_NORMAL)
6724 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006725
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006726 else if (bp->flags & NO_WOL_FLAG) {
6727 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
6728 if (CHIP_IS_E1H(bp))
6729 REG_WR(bp, MISC_REG_E1HMF_MODE, 0);
6730
6731 } else if (bp->wol) {
6732 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006733 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006734 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006735 /* The mac address is written to entries 1-4 to
6736 preserve entry 0 which is used by the PMF */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006737 u8 entry = (BP_E1HVN(bp) + 1)*8;
6738
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006739 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07006740 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006741
6742 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
6743 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07006744 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006745
6746 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006747
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006748 } else
6749 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6750
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006751 /* Close multi and leading connections
6752 Completions for ramrods are collected in a synchronous way */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006753 for_each_nondefault_queue(bp, i)
6754 if (bnx2x_stop_multi(bp, i))
Eliezer Tamir228241e2008-02-28 11:56:57 -08006755 goto unload_error;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006756
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006757 rc = bnx2x_stop_leading(bp);
6758 if (rc) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006759 BNX2X_ERR("Stop leading failed!\n");
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006760#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006761 return -EBUSY;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006762#else
6763 goto unload_error;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006764#endif
Eliezer Tamir228241e2008-02-28 11:56:57 -08006765 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006766
Eliezer Tamir228241e2008-02-28 11:56:57 -08006767unload_error:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006768 if (!BP_NOMCP(bp))
Eliezer Tamir228241e2008-02-28 11:56:57 -08006769 reset_code = bnx2x_fw_command(bp, reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006770 else {
6771 DP(NETIF_MSG_IFDOWN, "NO MCP load counts %d, %d, %d\n",
6772 load_count[0], load_count[1], load_count[2]);
6773 load_count[0]--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006774 load_count[1 + port]--;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006775 DP(NETIF_MSG_IFDOWN, "NO MCP new load counts %d, %d, %d\n",
6776 load_count[0], load_count[1], load_count[2]);
6777 if (load_count[0] == 0)
6778 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006779 else if (load_count[1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006780 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
6781 else
6782 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
6783 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006784
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006785 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
6786 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
6787 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006788
6789 /* Reset the chip */
Eliezer Tamir228241e2008-02-28 11:56:57 -08006790 bnx2x_reset_chip(bp, reset_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006791
6792 /* Report UNLOAD_DONE to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006793 if (!BP_NOMCP(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006794 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
Eilon Greenstein9a035442008-11-03 16:45:55 -08006795 bp->port.pmf = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006796
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006797 /* Free SKBs, SGEs, TPA pool and driver internals */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006798 bnx2x_free_skbs(bp);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006799 for_each_queue(bp, i)
Eilon Greenstein3196a882008-08-13 15:58:49 -07006800 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006801 bnx2x_free_mem(bp);
6802
6803 bp->state = BNX2X_STATE_CLOSED;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006804
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006805 netif_carrier_off(bp->dev);
6806
6807 return 0;
6808}
6809
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006810static void bnx2x_reset_task(struct work_struct *work)
6811{
6812 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task);
6813
6814#ifdef BNX2X_STOP_ON_ERROR
6815 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
6816 " so reset not done to allow debug dump,\n"
6817 KERN_ERR " you will need to reboot when done\n");
6818 return;
6819#endif
6820
6821 rtnl_lock();
6822
6823 if (!netif_running(bp->dev))
6824 goto reset_task_exit;
6825
6826 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
6827 bnx2x_nic_load(bp, LOAD_NORMAL);
6828
6829reset_task_exit:
6830 rtnl_unlock();
6831}
6832
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006833/* end of nic load/unload */
6834
6835/* ethtool_ops */
6836
6837/*
6838 * Init service functions
6839 */
6840
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006841static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006842{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006843 u32 val;
6844
6845 /* Check if there is any driver already loaded */
6846 val = REG_RD(bp, MISC_REG_UNPREPARED);
6847 if (val == 0x1) {
6848 /* Check if it is the UNDI driver
6849 * UNDI driver initializes CID offset for normal bell to 0x7
6850 */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07006851 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006852 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
Eilon Greenstein76b190c2008-08-25 15:22:46 -07006853 if (val == 0x7)
6854 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
6855 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
6856
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006857 if (val == 0x7) {
6858 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006859 /* save our func */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006860 int func = BP_FUNC(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006861 u32 swap_en;
6862 u32 swap_val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006863
6864 BNX2X_DEV_INFO("UNDI is active! reset device\n");
6865
6866 /* try unload UNDI on port 0 */
6867 bp->func = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006868 bp->fw_seq =
6869 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6870 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006871 reset_code = bnx2x_fw_command(bp, reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006872
6873 /* if UNDI is loaded on the other port */
6874 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
6875
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006876 /* send "DONE" for previous unload */
6877 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6878
6879 /* unload UNDI on port 1 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006880 bp->func = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006881 bp->fw_seq =
6882 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6883 DRV_MSG_SEQ_NUMBER_MASK);
6884 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006885
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006886 bnx2x_fw_command(bp, reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006887 }
6888
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006889 REG_WR(bp, (BP_PORT(bp) ? HC_REG_CONFIG_1 :
6890 HC_REG_CONFIG_0), 0x1000);
6891
6892 /* close input traffic and wait for it */
6893 /* Do not rcv packets to BRB */
6894 REG_WR(bp,
6895 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
6896 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
6897 /* Do not direct rcv packets that are not for MCP to
6898 * the BRB */
6899 REG_WR(bp,
6900 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
6901 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6902 /* clear AEU */
6903 REG_WR(bp,
6904 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
6905 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
6906 msleep(10);
6907
6908 /* save NIG port swap info */
6909 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
6910 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006911 /* reset device */
6912 REG_WR(bp,
6913 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006914 0xd3ffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006915 REG_WR(bp,
6916 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
6917 0x1403);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006918 /* take the NIG out of reset and restore swap values */
6919 REG_WR(bp,
6920 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6921 MISC_REGISTERS_RESET_REG_1_RST_NIG);
6922 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
6923 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
6924
6925 /* send unload done to the MCP */
6926 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6927
6928 /* restore our func and fw_seq */
6929 bp->func = func;
6930 bp->fw_seq =
6931 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6932 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006933 }
6934 }
6935}
6936
6937static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
6938{
6939 u32 val, val2, val3, val4, id;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07006940 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006941
6942 /* Get the chip revision id and number. */
6943 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
6944 val = REG_RD(bp, MISC_REG_CHIP_NUM);
6945 id = ((val & 0xffff) << 16);
6946 val = REG_RD(bp, MISC_REG_CHIP_REV);
6947 id |= ((val & 0xf) << 12);
6948 val = REG_RD(bp, MISC_REG_CHIP_METAL);
6949 id |= ((val & 0xff) << 4);
6950 REG_RD(bp, MISC_REG_BOND_ID);
6951 id |= (val & 0xf);
6952 bp->common.chip_id = id;
6953 bp->link_params.chip_id = bp->common.chip_id;
6954 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
6955
6956 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
6957 bp->common.flash_size = (NVRAM_1MB_SIZE <<
6958 (val & MCPR_NVM_CFG4_FLASH_SIZE));
6959 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
6960 bp->common.flash_size, bp->common.flash_size);
6961
6962 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
6963 bp->link_params.shmem_base = bp->common.shmem_base;
6964 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
6965
6966 if (!bp->common.shmem_base ||
6967 (bp->common.shmem_base < 0xA0000) ||
6968 (bp->common.shmem_base >= 0xC0000)) {
6969 BNX2X_DEV_INFO("MCP not active\n");
6970 bp->flags |= NO_MCP_FLAG;
6971 return;
6972 }
6973
6974 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
6975 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6976 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6977 BNX2X_ERR("BAD MCP validity signature\n");
6978
6979 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
6980 bp->common.board = SHMEM_RD(bp, dev_info.shared_hw_config.board);
6981
6982 BNX2X_DEV_INFO("hw_config 0x%08x board 0x%08x\n",
6983 bp->common.hw_config, bp->common.board);
6984
6985 bp->link_params.hw_led_mode = ((bp->common.hw_config &
6986 SHARED_HW_CFG_LED_MODE_MASK) >>
6987 SHARED_HW_CFG_LED_MODE_SHIFT);
6988
6989 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
6990 bp->common.bc_ver = val;
6991 BNX2X_DEV_INFO("bc_ver %X\n", val);
6992 if (val < BNX2X_BC_VER) {
6993 /* for now only warn
6994 * later we might need to enforce this */
6995 BNX2X_ERR("This driver needs bc_ver %X but found %X,"
6996 " please upgrade BC\n", BNX2X_BC_VER, val);
6997 }
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07006998
6999 if (BP_E1HVN(bp) == 0) {
7000 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
7001 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
7002 } else {
7003 /* no WOL capability for E1HVN != 0 */
7004 bp->flags |= NO_WOL_FLAG;
7005 }
7006 BNX2X_DEV_INFO("%sWoL capable\n",
7007 (bp->flags & NO_WOL_FLAG) ? "Not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007008
7009 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
7010 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
7011 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
7012 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
7013
7014 printk(KERN_INFO PFX "part number %X-%X-%X-%X\n",
7015 val, val2, val3, val4);
7016}
7017
7018static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
7019 u32 switch_cfg)
7020{
7021 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007022 u32 ext_phy_type;
7023
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007024 switch (switch_cfg) {
7025 case SWITCH_CFG_1G:
7026 BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg);
7027
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007028 ext_phy_type =
7029 SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007030 switch (ext_phy_type) {
7031 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
7032 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7033 ext_phy_type);
7034
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007035 bp->port.supported |= (SUPPORTED_10baseT_Half |
7036 SUPPORTED_10baseT_Full |
7037 SUPPORTED_100baseT_Half |
7038 SUPPORTED_100baseT_Full |
7039 SUPPORTED_1000baseT_Full |
7040 SUPPORTED_2500baseX_Full |
7041 SUPPORTED_TP |
7042 SUPPORTED_FIBRE |
7043 SUPPORTED_Autoneg |
7044 SUPPORTED_Pause |
7045 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007046 break;
7047
7048 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
7049 BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n",
7050 ext_phy_type);
7051
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007052 bp->port.supported |= (SUPPORTED_10baseT_Half |
7053 SUPPORTED_10baseT_Full |
7054 SUPPORTED_100baseT_Half |
7055 SUPPORTED_100baseT_Full |
7056 SUPPORTED_1000baseT_Full |
7057 SUPPORTED_TP |
7058 SUPPORTED_FIBRE |
7059 SUPPORTED_Autoneg |
7060 SUPPORTED_Pause |
7061 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007062 break;
7063
7064 default:
7065 BNX2X_ERR("NVRAM config error. "
7066 "BAD SerDes ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007067 bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007068 return;
7069 }
7070
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007071 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
7072 port*0x10);
7073 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007074 break;
7075
7076 case SWITCH_CFG_10G:
7077 BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg);
7078
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007079 ext_phy_type =
7080 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007081 switch (ext_phy_type) {
7082 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7083 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7084 ext_phy_type);
7085
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007086 bp->port.supported |= (SUPPORTED_10baseT_Half |
7087 SUPPORTED_10baseT_Full |
7088 SUPPORTED_100baseT_Half |
7089 SUPPORTED_100baseT_Full |
7090 SUPPORTED_1000baseT_Full |
7091 SUPPORTED_2500baseX_Full |
7092 SUPPORTED_10000baseT_Full |
7093 SUPPORTED_TP |
7094 SUPPORTED_FIBRE |
7095 SUPPORTED_Autoneg |
7096 SUPPORTED_Pause |
7097 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007098 break;
7099
7100 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007101 BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007102 ext_phy_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007103
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007104 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7105 SUPPORTED_FIBRE |
7106 SUPPORTED_Pause |
7107 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007108 break;
7109
Eliezer Tamirf1410642008-02-28 11:51:50 -08007110 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7111 BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n",
7112 ext_phy_type);
7113
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007114 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7115 SUPPORTED_1000baseT_Full |
7116 SUPPORTED_FIBRE |
7117 SUPPORTED_Pause |
7118 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007119 break;
7120
7121 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
7122 BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n",
7123 ext_phy_type);
7124
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007125 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7126 SUPPORTED_1000baseT_Full |
7127 SUPPORTED_FIBRE |
7128 SUPPORTED_Autoneg |
7129 SUPPORTED_Pause |
7130 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007131 break;
7132
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007133 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
7134 BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n",
7135 ext_phy_type);
7136
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007137 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7138 SUPPORTED_2500baseX_Full |
7139 SUPPORTED_1000baseT_Full |
7140 SUPPORTED_FIBRE |
7141 SUPPORTED_Autoneg |
7142 SUPPORTED_Pause |
7143 SUPPORTED_Asym_Pause);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007144 break;
7145
Eliezer Tamirf1410642008-02-28 11:51:50 -08007146 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7147 BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n",
7148 ext_phy_type);
7149
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007150 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7151 SUPPORTED_TP |
7152 SUPPORTED_Autoneg |
7153 SUPPORTED_Pause |
7154 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007155 break;
7156
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007157 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7158 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7159 bp->link_params.ext_phy_config);
7160 break;
7161
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007162 default:
7163 BNX2X_ERR("NVRAM config error. "
7164 "BAD XGXS ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007165 bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007166 return;
7167 }
7168
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007169 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
7170 port*0x18);
7171 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007172
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007173 break;
7174
7175 default:
7176 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007177 bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007178 return;
7179 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007180 bp->link_params.phy_addr = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007181
7182 /* mask what we support according to speed_cap_mask */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007183 if (!(bp->link_params.speed_cap_mask &
7184 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007185 bp->port.supported &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007186
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007187 if (!(bp->link_params.speed_cap_mask &
7188 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007189 bp->port.supported &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007190
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007191 if (!(bp->link_params.speed_cap_mask &
7192 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007193 bp->port.supported &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007194
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007195 if (!(bp->link_params.speed_cap_mask &
7196 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007197 bp->port.supported &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007198
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007199 if (!(bp->link_params.speed_cap_mask &
7200 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007201 bp->port.supported &= ~(SUPPORTED_1000baseT_Half |
7202 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007203
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007204 if (!(bp->link_params.speed_cap_mask &
7205 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007206 bp->port.supported &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007207
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007208 if (!(bp->link_params.speed_cap_mask &
7209 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007210 bp->port.supported &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007211
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007212 BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007213}
7214
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007215static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007216{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007217 bp->link_params.req_duplex = DUPLEX_FULL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007218
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007219 switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007220 case PORT_FEATURE_LINK_SPEED_AUTO:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007221 if (bp->port.supported & SUPPORTED_Autoneg) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007222 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007223 bp->port.advertising = bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007224 } else {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007225 u32 ext_phy_type =
7226 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7227
7228 if ((ext_phy_type ==
7229 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
7230 (ext_phy_type ==
7231 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007232 /* force 10G, no AN */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007233 bp->link_params.req_line_speed = SPEED_10000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007234 bp->port.advertising =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007235 (ADVERTISED_10000baseT_Full |
7236 ADVERTISED_FIBRE);
7237 break;
7238 }
7239 BNX2X_ERR("NVRAM config error. "
7240 "Invalid link_config 0x%x"
7241 " Autoneg not supported\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007242 bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007243 return;
7244 }
7245 break;
7246
7247 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007248 if (bp->port.supported & SUPPORTED_10baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007249 bp->link_params.req_line_speed = SPEED_10;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007250 bp->port.advertising = (ADVERTISED_10baseT_Full |
7251 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007252 } else {
7253 BNX2X_ERR("NVRAM config error. "
7254 "Invalid link_config 0x%x"
7255 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007256 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007257 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007258 return;
7259 }
7260 break;
7261
7262 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007263 if (bp->port.supported & SUPPORTED_10baseT_Half) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007264 bp->link_params.req_line_speed = SPEED_10;
7265 bp->link_params.req_duplex = DUPLEX_HALF;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007266 bp->port.advertising = (ADVERTISED_10baseT_Half |
7267 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007268 } else {
7269 BNX2X_ERR("NVRAM config error. "
7270 "Invalid link_config 0x%x"
7271 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007272 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007273 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007274 return;
7275 }
7276 break;
7277
7278 case PORT_FEATURE_LINK_SPEED_100M_FULL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007279 if (bp->port.supported & SUPPORTED_100baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007280 bp->link_params.req_line_speed = SPEED_100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007281 bp->port.advertising = (ADVERTISED_100baseT_Full |
7282 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007283 } else {
7284 BNX2X_ERR("NVRAM config error. "
7285 "Invalid link_config 0x%x"
7286 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007287 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007288 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007289 return;
7290 }
7291 break;
7292
7293 case PORT_FEATURE_LINK_SPEED_100M_HALF:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007294 if (bp->port.supported & SUPPORTED_100baseT_Half) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007295 bp->link_params.req_line_speed = SPEED_100;
7296 bp->link_params.req_duplex = DUPLEX_HALF;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007297 bp->port.advertising = (ADVERTISED_100baseT_Half |
7298 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007299 } else {
7300 BNX2X_ERR("NVRAM config error. "
7301 "Invalid link_config 0x%x"
7302 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007303 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007304 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007305 return;
7306 }
7307 break;
7308
7309 case PORT_FEATURE_LINK_SPEED_1G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007310 if (bp->port.supported & SUPPORTED_1000baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007311 bp->link_params.req_line_speed = SPEED_1000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007312 bp->port.advertising = (ADVERTISED_1000baseT_Full |
7313 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007314 } else {
7315 BNX2X_ERR("NVRAM config error. "
7316 "Invalid link_config 0x%x"
7317 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007318 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007319 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007320 return;
7321 }
7322 break;
7323
7324 case PORT_FEATURE_LINK_SPEED_2_5G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007325 if (bp->port.supported & SUPPORTED_2500baseX_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007326 bp->link_params.req_line_speed = SPEED_2500;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007327 bp->port.advertising = (ADVERTISED_2500baseX_Full |
7328 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007329 } else {
7330 BNX2X_ERR("NVRAM config error. "
7331 "Invalid link_config 0x%x"
7332 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007333 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007334 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007335 return;
7336 }
7337 break;
7338
7339 case PORT_FEATURE_LINK_SPEED_10G_CX4:
7340 case PORT_FEATURE_LINK_SPEED_10G_KX4:
7341 case PORT_FEATURE_LINK_SPEED_10G_KR:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007342 if (bp->port.supported & SUPPORTED_10000baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007343 bp->link_params.req_line_speed = SPEED_10000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007344 bp->port.advertising = (ADVERTISED_10000baseT_Full |
7345 ADVERTISED_FIBRE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007346 } else {
7347 BNX2X_ERR("NVRAM config error. "
7348 "Invalid link_config 0x%x"
7349 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007350 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007351 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007352 return;
7353 }
7354 break;
7355
7356 default:
7357 BNX2X_ERR("NVRAM config error. "
7358 "BAD link speed link_config 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007359 bp->port.link_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007360 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007361 bp->port.advertising = bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007362 break;
7363 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007364
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007365 bp->link_params.req_flow_ctrl = (bp->port.link_config &
7366 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007367 if ((bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
Randy Dunlap4ab84d42008-08-07 20:33:19 -07007368 !(bp->port.supported & SUPPORTED_Autoneg))
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007369 bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007370
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007371 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl 0x%x"
Eliezer Tamirf1410642008-02-28 11:51:50 -08007372 " advertising 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007373 bp->link_params.req_line_speed,
7374 bp->link_params.req_duplex,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007375 bp->link_params.req_flow_ctrl, bp->port.advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007376}
7377
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007378static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007379{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007380 int port = BP_PORT(bp);
7381 u32 val, val2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007382
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007383 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007384 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007385
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007386 bp->link_params.serdes_config =
Eliezer Tamirf1410642008-02-28 11:51:50 -08007387 SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007388 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007389 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007390 bp->link_params.ext_phy_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007391 SHMEM_RD(bp,
7392 dev_info.port_hw_config[port].external_phy_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007393 bp->link_params.speed_cap_mask =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007394 SHMEM_RD(bp,
7395 dev_info.port_hw_config[port].speed_capability_mask);
7396
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007397 bp->port.link_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007398 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
7399
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007400 BNX2X_DEV_INFO("serdes_config 0x%08x lane_config 0x%08x\n"
7401 KERN_INFO " ext_phy_config 0x%08x speed_cap_mask 0x%08x"
7402 " link_config 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007403 bp->link_params.serdes_config,
7404 bp->link_params.lane_config,
7405 bp->link_params.ext_phy_config,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007406 bp->link_params.speed_cap_mask, bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007407
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007408 bp->link_params.switch_cfg = (bp->port.link_config &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007409 PORT_FEATURE_CONNECTED_SWITCH_MASK);
7410 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007411
7412 bnx2x_link_settings_requested(bp);
7413
7414 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
7415 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
7416 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7417 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7418 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7419 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7420 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7421 bp->dev->dev_addr[5] = (u8)(val & 0xff);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007422 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
7423 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007424}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007425
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007426static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
7427{
7428 int func = BP_FUNC(bp);
7429 u32 val, val2;
7430 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007431
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007432 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007433
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007434 bp->e1hov = 0;
7435 bp->e1hmf = 0;
7436 if (CHIP_IS_E1H(bp)) {
7437 bp->mf_config =
7438 SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007439
Eilon Greenstein3196a882008-08-13 15:58:49 -07007440 val = (SHMEM_RD(bp, mf_cfg.func_mf_config[func].e1hov_tag) &
7441 FUNC_MF_CFG_E1HOV_TAG_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007442 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007443
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007444 bp->e1hov = val;
7445 bp->e1hmf = 1;
7446 BNX2X_DEV_INFO("MF mode E1HOV for func %d is %d "
7447 "(0x%04x)\n",
7448 func, bp->e1hov, bp->e1hov);
7449 } else {
7450 BNX2X_DEV_INFO("Single function mode\n");
7451 if (BP_E1HVN(bp)) {
7452 BNX2X_ERR("!!! No valid E1HOV for func %d,"
7453 " aborting\n", func);
7454 rc = -EPERM;
7455 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007456 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007457 }
7458
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007459 if (!BP_NOMCP(bp)) {
7460 bnx2x_get_port_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007461
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007462 bp->fw_seq = (SHMEM_RD(bp, func_mb[func].drv_mb_header) &
7463 DRV_MSG_SEQ_NUMBER_MASK);
7464 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
7465 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007466
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007467 if (IS_E1HMF(bp)) {
7468 val2 = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_upper);
7469 val = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_lower);
7470 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
7471 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) {
7472 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7473 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7474 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7475 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7476 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7477 bp->dev->dev_addr[5] = (u8)(val & 0xff);
7478 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr,
7479 ETH_ALEN);
7480 memcpy(bp->dev->perm_addr, bp->dev->dev_addr,
7481 ETH_ALEN);
7482 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007483
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007484 return rc;
7485 }
7486
7487 if (BP_NOMCP(bp)) {
7488 /* only supposed to happen on emulation/FPGA */
Eilon Greenstein33471622008-08-13 15:59:08 -07007489 BNX2X_ERR("warning random MAC workaround active\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007490 random_ether_addr(bp->dev->dev_addr);
7491 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7492 }
7493
7494 return rc;
7495}
7496
7497static int __devinit bnx2x_init_bp(struct bnx2x *bp)
7498{
7499 int func = BP_FUNC(bp);
7500 int rc;
7501
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007502 /* Disable interrupt handling until HW is initialized */
7503 atomic_set(&bp->intr_sem, 1);
7504
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007505 mutex_init(&bp->port.phy_mutex);
7506
7507 INIT_WORK(&bp->sp_task, bnx2x_sp_task);
7508 INIT_WORK(&bp->reset_task, bnx2x_reset_task);
7509
7510 rc = bnx2x_get_hwinfo(bp);
7511
7512 /* need to reset chip if undi was active */
7513 if (!BP_NOMCP(bp))
7514 bnx2x_undi_unload(bp);
7515
7516 if (CHIP_REV_IS_FPGA(bp))
7517 printk(KERN_ERR PFX "FPGA detected\n");
7518
7519 if (BP_NOMCP(bp) && (func == 0))
7520 printk(KERN_ERR PFX
7521 "MCP disabled, must load devices in order!\n");
7522
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07007523 /* Set TPA flags */
7524 if (disable_tpa) {
7525 bp->flags &= ~TPA_ENABLE_FLAG;
7526 bp->dev->features &= ~NETIF_F_LRO;
7527 } else {
7528 bp->flags |= TPA_ENABLE_FLAG;
7529 bp->dev->features |= NETIF_F_LRO;
7530 }
7531
7532
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007533 bp->tx_ring_size = MAX_TX_AVAIL;
7534 bp->rx_ring_size = MAX_RX_AVAIL;
7535
7536 bp->rx_csum = 1;
7537 bp->rx_offset = 0;
7538
7539 bp->tx_ticks = 50;
7540 bp->rx_ticks = 25;
7541
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007542 bp->timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
7543 bp->current_interval = (poll ? poll : bp->timer_interval);
7544
7545 init_timer(&bp->timer);
7546 bp->timer.expires = jiffies + bp->current_interval;
7547 bp->timer.data = (unsigned long) bp;
7548 bp->timer.function = bnx2x_timer;
7549
7550 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007551}
7552
7553/*
7554 * ethtool service functions
7555 */
7556
7557/* All ethtool functions called with rtnl_lock */
7558
7559static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7560{
7561 struct bnx2x *bp = netdev_priv(dev);
7562
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007563 cmd->supported = bp->port.supported;
7564 cmd->advertising = bp->port.advertising;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007565
7566 if (netif_carrier_ok(dev)) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007567 cmd->speed = bp->link_vars.line_speed;
7568 cmd->duplex = bp->link_vars.duplex;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007569 } else {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007570 cmd->speed = bp->link_params.req_line_speed;
7571 cmd->duplex = bp->link_params.req_duplex;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007572 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007573 if (IS_E1HMF(bp)) {
7574 u16 vn_max_rate;
7575
7576 vn_max_rate = ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >>
7577 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
7578 if (vn_max_rate < cmd->speed)
7579 cmd->speed = vn_max_rate;
7580 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007581
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007582 if (bp->link_params.switch_cfg == SWITCH_CFG_10G) {
7583 u32 ext_phy_type =
7584 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007585
7586 switch (ext_phy_type) {
7587 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7588 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7589 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7590 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007591 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007592 cmd->port = PORT_FIBRE;
7593 break;
7594
7595 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7596 cmd->port = PORT_TP;
7597 break;
7598
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007599 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7600 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7601 bp->link_params.ext_phy_config);
7602 break;
7603
Eliezer Tamirf1410642008-02-28 11:51:50 -08007604 default:
7605 DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007606 bp->link_params.ext_phy_config);
7607 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007608 }
7609 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007610 cmd->port = PORT_TP;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007611
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007612 cmd->phy_address = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007613 cmd->transceiver = XCVR_INTERNAL;
7614
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007615 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007616 cmd->autoneg = AUTONEG_ENABLE;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007617 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007618 cmd->autoneg = AUTONEG_DISABLE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007619
7620 cmd->maxtxpkt = 0;
7621 cmd->maxrxpkt = 0;
7622
7623 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7624 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7625 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7626 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7627 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7628 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7629 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7630
7631 return 0;
7632}
7633
7634static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7635{
7636 struct bnx2x *bp = netdev_priv(dev);
7637 u32 advertising;
7638
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007639 if (IS_E1HMF(bp))
7640 return 0;
7641
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007642 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7643 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7644 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7645 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7646 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7647 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7648 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7649
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007650 if (cmd->autoneg == AUTONEG_ENABLE) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007651 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
7652 DP(NETIF_MSG_LINK, "Autoneg not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007653 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007654 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007655
7656 /* advertise the requested speed and duplex if supported */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007657 cmd->advertising &= bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007658
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007659 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7660 bp->link_params.req_duplex = DUPLEX_FULL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007661 bp->port.advertising |= (ADVERTISED_Autoneg |
7662 cmd->advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007663
7664 } else { /* forced speed */
7665 /* advertise the requested speed and duplex if supported */
7666 switch (cmd->speed) {
7667 case SPEED_10:
7668 if (cmd->duplex == DUPLEX_FULL) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007669 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007670 SUPPORTED_10baseT_Full)) {
7671 DP(NETIF_MSG_LINK,
7672 "10M full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007673 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007674 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007675
7676 advertising = (ADVERTISED_10baseT_Full |
7677 ADVERTISED_TP);
7678 } else {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007679 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007680 SUPPORTED_10baseT_Half)) {
7681 DP(NETIF_MSG_LINK,
7682 "10M half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007683 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007684 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007685
7686 advertising = (ADVERTISED_10baseT_Half |
7687 ADVERTISED_TP);
7688 }
7689 break;
7690
7691 case SPEED_100:
7692 if (cmd->duplex == DUPLEX_FULL) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007693 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007694 SUPPORTED_100baseT_Full)) {
7695 DP(NETIF_MSG_LINK,
7696 "100M full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007697 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007698 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007699
7700 advertising = (ADVERTISED_100baseT_Full |
7701 ADVERTISED_TP);
7702 } else {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007703 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007704 SUPPORTED_100baseT_Half)) {
7705 DP(NETIF_MSG_LINK,
7706 "100M half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007707 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007708 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007709
7710 advertising = (ADVERTISED_100baseT_Half |
7711 ADVERTISED_TP);
7712 }
7713 break;
7714
7715 case SPEED_1000:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007716 if (cmd->duplex != DUPLEX_FULL) {
7717 DP(NETIF_MSG_LINK, "1G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007718 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007719 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007720
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007721 if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007722 DP(NETIF_MSG_LINK, "1G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007723 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007724 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007725
7726 advertising = (ADVERTISED_1000baseT_Full |
7727 ADVERTISED_TP);
7728 break;
7729
7730 case SPEED_2500:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007731 if (cmd->duplex != DUPLEX_FULL) {
7732 DP(NETIF_MSG_LINK,
7733 "2.5G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007734 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007735 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007736
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007737 if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007738 DP(NETIF_MSG_LINK,
7739 "2.5G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007740 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007741 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007742
Eliezer Tamirf1410642008-02-28 11:51:50 -08007743 advertising = (ADVERTISED_2500baseX_Full |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007744 ADVERTISED_TP);
7745 break;
7746
7747 case SPEED_10000:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007748 if (cmd->duplex != DUPLEX_FULL) {
7749 DP(NETIF_MSG_LINK, "10G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007750 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007751 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007752
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007753 if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007754 DP(NETIF_MSG_LINK, "10G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007755 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007756 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007757
7758 advertising = (ADVERTISED_10000baseT_Full |
7759 ADVERTISED_FIBRE);
7760 break;
7761
7762 default:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007763 DP(NETIF_MSG_LINK, "Unsupported speed\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007764 return -EINVAL;
7765 }
7766
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007767 bp->link_params.req_line_speed = cmd->speed;
7768 bp->link_params.req_duplex = cmd->duplex;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007769 bp->port.advertising = advertising;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007770 }
7771
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007772 DP(NETIF_MSG_LINK, "req_line_speed %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007773 DP_LEVEL " req_duplex %d advertising 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007774 bp->link_params.req_line_speed, bp->link_params.req_duplex,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007775 bp->port.advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007776
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007777 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07007778 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007779 bnx2x_link_set(bp);
7780 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007781
7782 return 0;
7783}
7784
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007785#define PHY_FW_VER_LEN 10
7786
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007787static void bnx2x_get_drvinfo(struct net_device *dev,
7788 struct ethtool_drvinfo *info)
7789{
7790 struct bnx2x *bp = netdev_priv(dev);
Eilon Greensteinf0e53a82008-08-13 15:58:30 -07007791 u8 phy_fw_ver[PHY_FW_VER_LEN];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007792
7793 strcpy(info->driver, DRV_MODULE_NAME);
7794 strcpy(info->version, DRV_MODULE_VERSION);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007795
7796 phy_fw_ver[0] = '\0';
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007797 if (bp->port.pmf) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007798 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007799 bnx2x_get_ext_phy_fw_version(&bp->link_params,
7800 (bp->state != BNX2X_STATE_CLOSED),
7801 phy_fw_ver, PHY_FW_VER_LEN);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007802 bnx2x_release_phy_lock(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007803 }
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007804
Eilon Greensteinf0e53a82008-08-13 15:58:30 -07007805 snprintf(info->fw_version, 32, "BC:%d.%d.%d%s%s",
7806 (bp->common.bc_ver & 0xff0000) >> 16,
7807 (bp->common.bc_ver & 0xff00) >> 8,
7808 (bp->common.bc_ver & 0xff),
7809 ((phy_fw_ver[0] != '\0') ? " PHY:" : ""), phy_fw_ver);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007810 strcpy(info->bus_info, pci_name(bp->pdev));
7811 info->n_stats = BNX2X_NUM_STATS;
7812 info->testinfo_len = BNX2X_NUM_TESTS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007813 info->eedump_len = bp->common.flash_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007814 info->regdump_len = 0;
7815}
7816
7817static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7818{
7819 struct bnx2x *bp = netdev_priv(dev);
7820
7821 if (bp->flags & NO_WOL_FLAG) {
7822 wol->supported = 0;
7823 wol->wolopts = 0;
7824 } else {
7825 wol->supported = WAKE_MAGIC;
7826 if (bp->wol)
7827 wol->wolopts = WAKE_MAGIC;
7828 else
7829 wol->wolopts = 0;
7830 }
7831 memset(&wol->sopass, 0, sizeof(wol->sopass));
7832}
7833
7834static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7835{
7836 struct bnx2x *bp = netdev_priv(dev);
7837
7838 if (wol->wolopts & ~WAKE_MAGIC)
7839 return -EINVAL;
7840
7841 if (wol->wolopts & WAKE_MAGIC) {
7842 if (bp->flags & NO_WOL_FLAG)
7843 return -EINVAL;
7844
7845 bp->wol = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007846 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007847 bp->wol = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007848
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007849 return 0;
7850}
7851
7852static u32 bnx2x_get_msglevel(struct net_device *dev)
7853{
7854 struct bnx2x *bp = netdev_priv(dev);
7855
7856 return bp->msglevel;
7857}
7858
7859static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
7860{
7861 struct bnx2x *bp = netdev_priv(dev);
7862
7863 if (capable(CAP_NET_ADMIN))
7864 bp->msglevel = level;
7865}
7866
7867static int bnx2x_nway_reset(struct net_device *dev)
7868{
7869 struct bnx2x *bp = netdev_priv(dev);
7870
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007871 if (!bp->port.pmf)
7872 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007873
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007874 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07007875 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007876 bnx2x_link_set(bp);
7877 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007878
7879 return 0;
7880}
7881
7882static int bnx2x_get_eeprom_len(struct net_device *dev)
7883{
7884 struct bnx2x *bp = netdev_priv(dev);
7885
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007886 return bp->common.flash_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007887}
7888
7889static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
7890{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007891 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007892 int count, i;
7893 u32 val = 0;
7894
7895 /* adjust timeout for emulation/FPGA */
7896 count = NVRAM_TIMEOUT_COUNT;
7897 if (CHIP_REV_IS_SLOW(bp))
7898 count *= 100;
7899
7900 /* request access to nvram interface */
7901 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7902 (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
7903
7904 for (i = 0; i < count*10; i++) {
7905 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7906 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
7907 break;
7908
7909 udelay(5);
7910 }
7911
7912 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007913 DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007914 return -EBUSY;
7915 }
7916
7917 return 0;
7918}
7919
7920static int bnx2x_release_nvram_lock(struct bnx2x *bp)
7921{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007922 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007923 int count, i;
7924 u32 val = 0;
7925
7926 /* adjust timeout for emulation/FPGA */
7927 count = NVRAM_TIMEOUT_COUNT;
7928 if (CHIP_REV_IS_SLOW(bp))
7929 count *= 100;
7930
7931 /* relinquish nvram interface */
7932 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7933 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
7934
7935 for (i = 0; i < count*10; i++) {
7936 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7937 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
7938 break;
7939
7940 udelay(5);
7941 }
7942
7943 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007944 DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007945 return -EBUSY;
7946 }
7947
7948 return 0;
7949}
7950
7951static void bnx2x_enable_nvram_access(struct bnx2x *bp)
7952{
7953 u32 val;
7954
7955 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7956
7957 /* enable both bits, even on read */
7958 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7959 (val | MCPR_NVM_ACCESS_ENABLE_EN |
7960 MCPR_NVM_ACCESS_ENABLE_WR_EN));
7961}
7962
7963static void bnx2x_disable_nvram_access(struct bnx2x *bp)
7964{
7965 u32 val;
7966
7967 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7968
7969 /* disable both bits, even after read */
7970 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7971 (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
7972 MCPR_NVM_ACCESS_ENABLE_WR_EN)));
7973}
7974
7975static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val,
7976 u32 cmd_flags)
7977{
Eliezer Tamirf1410642008-02-28 11:51:50 -08007978 int count, i, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007979 u32 val;
7980
7981 /* build the command word */
7982 cmd_flags |= MCPR_NVM_COMMAND_DOIT;
7983
7984 /* need to clear DONE bit separately */
7985 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
7986
7987 /* address of the NVRAM to read from */
7988 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
7989 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
7990
7991 /* issue a read command */
7992 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
7993
7994 /* adjust timeout for emulation/FPGA */
7995 count = NVRAM_TIMEOUT_COUNT;
7996 if (CHIP_REV_IS_SLOW(bp))
7997 count *= 100;
7998
7999 /* wait for completion */
8000 *ret_val = 0;
8001 rc = -EBUSY;
8002 for (i = 0; i < count; i++) {
8003 udelay(5);
8004 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8005
8006 if (val & MCPR_NVM_COMMAND_DONE) {
8007 val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008008 /* we read nvram data in cpu order
8009 * but ethtool sees it as an array of bytes
8010 * converting to big-endian will do the work */
8011 val = cpu_to_be32(val);
8012 *ret_val = val;
8013 rc = 0;
8014 break;
8015 }
8016 }
8017
8018 return rc;
8019}
8020
8021static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
8022 int buf_size)
8023{
8024 int rc;
8025 u32 cmd_flags;
8026 u32 val;
8027
8028 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008029 DP(BNX2X_MSG_NVM,
Eliezer Tamirc14423f2008-02-28 11:49:42 -08008030 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008031 offset, buf_size);
8032 return -EINVAL;
8033 }
8034
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008035 if (offset + buf_size > bp->common.flash_size) {
8036 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008037 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008038 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008039 return -EINVAL;
8040 }
8041
8042 /* request access to nvram interface */
8043 rc = bnx2x_acquire_nvram_lock(bp);
8044 if (rc)
8045 return rc;
8046
8047 /* enable access to nvram interface */
8048 bnx2x_enable_nvram_access(bp);
8049
8050 /* read the first word(s) */
8051 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8052 while ((buf_size > sizeof(u32)) && (rc == 0)) {
8053 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8054 memcpy(ret_buf, &val, 4);
8055
8056 /* advance to the next dword */
8057 offset += sizeof(u32);
8058 ret_buf += sizeof(u32);
8059 buf_size -= sizeof(u32);
8060 cmd_flags = 0;
8061 }
8062
8063 if (rc == 0) {
8064 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8065 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8066 memcpy(ret_buf, &val, 4);
8067 }
8068
8069 /* disable access to nvram interface */
8070 bnx2x_disable_nvram_access(bp);
8071 bnx2x_release_nvram_lock(bp);
8072
8073 return rc;
8074}
8075
8076static int bnx2x_get_eeprom(struct net_device *dev,
8077 struct ethtool_eeprom *eeprom, u8 *eebuf)
8078{
8079 struct bnx2x *bp = netdev_priv(dev);
8080 int rc;
8081
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008082 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008083 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8084 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8085 eeprom->len, eeprom->len);
8086
8087 /* parameters already validated in ethtool_get_eeprom */
8088
8089 rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
8090
8091 return rc;
8092}
8093
8094static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
8095 u32 cmd_flags)
8096{
Eliezer Tamirf1410642008-02-28 11:51:50 -08008097 int count, i, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008098
8099 /* build the command word */
8100 cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
8101
8102 /* need to clear DONE bit separately */
8103 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
8104
8105 /* write the data */
8106 REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
8107
8108 /* address of the NVRAM to write to */
8109 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
8110 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
8111
8112 /* issue the write command */
8113 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
8114
8115 /* adjust timeout for emulation/FPGA */
8116 count = NVRAM_TIMEOUT_COUNT;
8117 if (CHIP_REV_IS_SLOW(bp))
8118 count *= 100;
8119
8120 /* wait for completion */
8121 rc = -EBUSY;
8122 for (i = 0; i < count; i++) {
8123 udelay(5);
8124 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8125 if (val & MCPR_NVM_COMMAND_DONE) {
8126 rc = 0;
8127 break;
8128 }
8129 }
8130
8131 return rc;
8132}
8133
Eliezer Tamirf1410642008-02-28 11:51:50 -08008134#define BYTE_OFFSET(offset) (8 * (offset & 0x03))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008135
8136static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
8137 int buf_size)
8138{
8139 int rc;
8140 u32 cmd_flags;
8141 u32 align_offset;
8142 u32 val;
8143
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008144 if (offset + buf_size > bp->common.flash_size) {
8145 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008146 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008147 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008148 return -EINVAL;
8149 }
8150
8151 /* request access to nvram interface */
8152 rc = bnx2x_acquire_nvram_lock(bp);
8153 if (rc)
8154 return rc;
8155
8156 /* enable access to nvram interface */
8157 bnx2x_enable_nvram_access(bp);
8158
8159 cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
8160 align_offset = (offset & ~0x03);
8161 rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
8162
8163 if (rc == 0) {
8164 val &= ~(0xff << BYTE_OFFSET(offset));
8165 val |= (*data_buf << BYTE_OFFSET(offset));
8166
8167 /* nvram data is returned as an array of bytes
8168 * convert it back to cpu order */
8169 val = be32_to_cpu(val);
8170
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008171 rc = bnx2x_nvram_write_dword(bp, align_offset, val,
8172 cmd_flags);
8173 }
8174
8175 /* disable access to nvram interface */
8176 bnx2x_disable_nvram_access(bp);
8177 bnx2x_release_nvram_lock(bp);
8178
8179 return rc;
8180}
8181
8182static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
8183 int buf_size)
8184{
8185 int rc;
8186 u32 cmd_flags;
8187 u32 val;
8188 u32 written_so_far;
8189
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008190 if (buf_size == 1) /* ethtool */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008191 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008192
8193 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008194 DP(BNX2X_MSG_NVM,
Eliezer Tamirc14423f2008-02-28 11:49:42 -08008195 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008196 offset, buf_size);
8197 return -EINVAL;
8198 }
8199
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008200 if (offset + buf_size > bp->common.flash_size) {
8201 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008202 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008203 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008204 return -EINVAL;
8205 }
8206
8207 /* request access to nvram interface */
8208 rc = bnx2x_acquire_nvram_lock(bp);
8209 if (rc)
8210 return rc;
8211
8212 /* enable access to nvram interface */
8213 bnx2x_enable_nvram_access(bp);
8214
8215 written_so_far = 0;
8216 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8217 while ((written_so_far < buf_size) && (rc == 0)) {
8218 if (written_so_far == (buf_size - sizeof(u32)))
8219 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8220 else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0)
8221 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8222 else if ((offset % NVRAM_PAGE_SIZE) == 0)
8223 cmd_flags |= MCPR_NVM_COMMAND_FIRST;
8224
8225 memcpy(&val, data_buf, 4);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008226
8227 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
8228
8229 /* advance to the next dword */
8230 offset += sizeof(u32);
8231 data_buf += sizeof(u32);
8232 written_so_far += sizeof(u32);
8233 cmd_flags = 0;
8234 }
8235
8236 /* disable access to nvram interface */
8237 bnx2x_disable_nvram_access(bp);
8238 bnx2x_release_nvram_lock(bp);
8239
8240 return rc;
8241}
8242
8243static int bnx2x_set_eeprom(struct net_device *dev,
8244 struct ethtool_eeprom *eeprom, u8 *eebuf)
8245{
8246 struct bnx2x *bp = netdev_priv(dev);
8247 int rc;
8248
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008249 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008250 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8251 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8252 eeprom->len, eeprom->len);
8253
8254 /* parameters already validated in ethtool_set_eeprom */
8255
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008256 /* If the magic number is PHY (0x00504859) upgrade the PHY FW */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008257 if (eeprom->magic == 0x00504859)
8258 if (bp->port.pmf) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008259
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008260 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008261 rc = bnx2x_flash_download(bp, BP_PORT(bp),
8262 bp->link_params.ext_phy_config,
8263 (bp->state != BNX2X_STATE_CLOSED),
8264 eebuf, eeprom->len);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008265 if ((bp->state == BNX2X_STATE_OPEN) ||
8266 (bp->state == BNX2X_STATE_DISABLED)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008267 rc |= bnx2x_link_reset(&bp->link_params,
8268 &bp->link_vars);
8269 rc |= bnx2x_phy_init(&bp->link_params,
8270 &bp->link_vars);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008271 }
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008272 bnx2x_release_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008273
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008274 } else /* Only the PMF can access the PHY */
8275 return -EINVAL;
8276 else
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008277 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008278
8279 return rc;
8280}
8281
8282static int bnx2x_get_coalesce(struct net_device *dev,
8283 struct ethtool_coalesce *coal)
8284{
8285 struct bnx2x *bp = netdev_priv(dev);
8286
8287 memset(coal, 0, sizeof(struct ethtool_coalesce));
8288
8289 coal->rx_coalesce_usecs = bp->rx_ticks;
8290 coal->tx_coalesce_usecs = bp->tx_ticks;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008291
8292 return 0;
8293}
8294
8295static int bnx2x_set_coalesce(struct net_device *dev,
8296 struct ethtool_coalesce *coal)
8297{
8298 struct bnx2x *bp = netdev_priv(dev);
8299
8300 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
8301 if (bp->rx_ticks > 3000)
8302 bp->rx_ticks = 3000;
8303
8304 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
8305 if (bp->tx_ticks > 0x3000)
8306 bp->tx_ticks = 0x3000;
8307
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008308 if (netif_running(dev))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008309 bnx2x_update_coalesce(bp);
8310
8311 return 0;
8312}
8313
8314static void bnx2x_get_ringparam(struct net_device *dev,
8315 struct ethtool_ringparam *ering)
8316{
8317 struct bnx2x *bp = netdev_priv(dev);
8318
8319 ering->rx_max_pending = MAX_RX_AVAIL;
8320 ering->rx_mini_max_pending = 0;
8321 ering->rx_jumbo_max_pending = 0;
8322
8323 ering->rx_pending = bp->rx_ring_size;
8324 ering->rx_mini_pending = 0;
8325 ering->rx_jumbo_pending = 0;
8326
8327 ering->tx_max_pending = MAX_TX_AVAIL;
8328 ering->tx_pending = bp->tx_ring_size;
8329}
8330
8331static int bnx2x_set_ringparam(struct net_device *dev,
8332 struct ethtool_ringparam *ering)
8333{
8334 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008335 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008336
8337 if ((ering->rx_pending > MAX_RX_AVAIL) ||
8338 (ering->tx_pending > MAX_TX_AVAIL) ||
8339 (ering->tx_pending <= MAX_SKB_FRAGS + 4))
8340 return -EINVAL;
8341
8342 bp->rx_ring_size = ering->rx_pending;
8343 bp->tx_ring_size = ering->tx_pending;
8344
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008345 if (netif_running(dev)) {
8346 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8347 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008348 }
8349
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008350 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008351}
8352
8353static void bnx2x_get_pauseparam(struct net_device *dev,
8354 struct ethtool_pauseparam *epause)
8355{
8356 struct bnx2x *bp = netdev_priv(dev);
8357
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008358 epause->autoneg = (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
8359 (bp->link_params.req_line_speed == SPEED_AUTO_NEG);
8360
8361 epause->rx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_RX) ==
8362 FLOW_CTRL_RX);
8363 epause->tx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_TX) ==
8364 FLOW_CTRL_TX);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008365
8366 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8367 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8368 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8369}
8370
8371static int bnx2x_set_pauseparam(struct net_device *dev,
8372 struct ethtool_pauseparam *epause)
8373{
8374 struct bnx2x *bp = netdev_priv(dev);
8375
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008376 if (IS_E1HMF(bp))
8377 return 0;
8378
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008379 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8380 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8381 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8382
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008383 bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
8384
8385 if (epause->rx_pause)
8386 bp->link_params.req_flow_ctrl |= FLOW_CTRL_RX;
8387
8388 if (epause->tx_pause)
8389 bp->link_params.req_flow_ctrl |= FLOW_CTRL_TX;
8390
8391 if (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO)
8392 bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
8393
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008394 if (epause->autoneg) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008395 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07008396 DP(NETIF_MSG_LINK, "autoneg not supported\n");
Eliezer Tamirf1410642008-02-28 11:51:50 -08008397 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008398 }
8399
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008400 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
8401 bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
8402 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008403
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008404 DP(NETIF_MSG_LINK,
8405 "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008406
8407 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008408 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008409 bnx2x_link_set(bp);
8410 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008411
8412 return 0;
8413}
8414
Vladislav Zolotarovdf0f2342008-08-13 15:53:38 -07008415static int bnx2x_set_flags(struct net_device *dev, u32 data)
8416{
8417 struct bnx2x *bp = netdev_priv(dev);
8418 int changed = 0;
8419 int rc = 0;
8420
8421 /* TPA requires Rx CSUM offloading */
8422 if ((data & ETH_FLAG_LRO) && bp->rx_csum) {
8423 if (!(dev->features & NETIF_F_LRO)) {
8424 dev->features |= NETIF_F_LRO;
8425 bp->flags |= TPA_ENABLE_FLAG;
8426 changed = 1;
8427 }
8428
8429 } else if (dev->features & NETIF_F_LRO) {
8430 dev->features &= ~NETIF_F_LRO;
8431 bp->flags &= ~TPA_ENABLE_FLAG;
8432 changed = 1;
8433 }
8434
8435 if (changed && netif_running(dev)) {
8436 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8437 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
8438 }
8439
8440 return rc;
8441}
8442
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008443static u32 bnx2x_get_rx_csum(struct net_device *dev)
8444{
8445 struct bnx2x *bp = netdev_priv(dev);
8446
8447 return bp->rx_csum;
8448}
8449
8450static int bnx2x_set_rx_csum(struct net_device *dev, u32 data)
8451{
8452 struct bnx2x *bp = netdev_priv(dev);
Vladislav Zolotarovdf0f2342008-08-13 15:53:38 -07008453 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008454
8455 bp->rx_csum = data;
Vladislav Zolotarovdf0f2342008-08-13 15:53:38 -07008456
8457 /* Disable TPA, when Rx CSUM is disabled. Otherwise all
8458 TPA'ed packets will be discarded due to wrong TCP CSUM */
8459 if (!data) {
8460 u32 flags = ethtool_op_get_flags(dev);
8461
8462 rc = bnx2x_set_flags(dev, (flags & ~ETH_FLAG_LRO));
8463 }
8464
8465 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008466}
8467
8468static int bnx2x_set_tso(struct net_device *dev, u32 data)
8469{
Eilon Greenstein755735eb2008-06-23 20:35:13 -07008470 if (data) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008471 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07008472 dev->features |= NETIF_F_TSO6;
8473 } else {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008474 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07008475 dev->features &= ~NETIF_F_TSO6;
8476 }
8477
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008478 return 0;
8479}
8480
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008481static const struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008482 char string[ETH_GSTRING_LEN];
8483} bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008484 { "register_test (offline)" },
8485 { "memory_test (offline)" },
8486 { "loopback_test (offline)" },
8487 { "nvram_test (online)" },
8488 { "interrupt_test (online)" },
8489 { "link_test (online)" },
8490 { "idle check (online)" },
8491 { "MC errors (online)" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008492};
8493
8494static int bnx2x_self_test_count(struct net_device *dev)
8495{
8496 return BNX2X_NUM_TESTS;
8497}
8498
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008499static int bnx2x_test_registers(struct bnx2x *bp)
8500{
8501 int idx, i, rc = -ENODEV;
8502 u32 wr_val = 0;
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008503 int port = BP_PORT(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008504 static const struct {
8505 u32 offset0;
8506 u32 offset1;
8507 u32 mask;
8508 } reg_tbl[] = {
8509/* 0 */ { BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff },
8510 { DORQ_REG_DB_ADDR0, 4, 0xffffffff },
8511 { HC_REG_AGG_INT_0, 4, 0x000003ff },
8512 { PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 },
8513 { PBF_REG_P0_INIT_CRD, 4, 0x000007ff },
8514 { PRS_REG_CID_PORT_0, 4, 0x00ffffff },
8515 { PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff },
8516 { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8517 { PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff },
8518 { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8519/* 10 */ { PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff },
8520 { QM_REG_CONNNUM_0, 4, 0x000fffff },
8521 { TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff },
8522 { SRC_REG_KEYRSS0_0, 40, 0xffffffff },
8523 { SRC_REG_KEYRSS0_7, 40, 0xffffffff },
8524 { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
8525 { XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 },
8526 { XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff },
8527 { NIG_REG_EGRESS_MNG0_FIFO, 20, 0xffffffff },
8528 { NIG_REG_LLH0_T_BIT, 4, 0x00000001 },
8529/* 20 */ { NIG_REG_EMAC0_IN_EN, 4, 0x00000001 },
8530 { NIG_REG_BMAC0_IN_EN, 4, 0x00000001 },
8531 { NIG_REG_XCM0_OUT_EN, 4, 0x00000001 },
8532 { NIG_REG_BRB0_OUT_EN, 4, 0x00000001 },
8533 { NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 },
8534 { NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff },
8535 { NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff },
8536 { NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff },
8537 { NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff },
8538 { NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 },
8539/* 30 */ { NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff },
8540 { NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff },
8541 { NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff },
8542 { NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 },
8543 { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 },
8544 { NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff },
8545 { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
8546 { NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f },
8547
8548 { 0xffffffff, 0, 0x00000000 }
8549 };
8550
8551 if (!netif_running(bp->dev))
8552 return rc;
8553
8554 /* Repeat the test twice:
8555 First by writing 0x00000000, second by writing 0xffffffff */
8556 for (idx = 0; idx < 2; idx++) {
8557
8558 switch (idx) {
8559 case 0:
8560 wr_val = 0;
8561 break;
8562 case 1:
8563 wr_val = 0xffffffff;
8564 break;
8565 }
8566
8567 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
8568 u32 offset, mask, save_val, val;
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008569
8570 offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
8571 mask = reg_tbl[i].mask;
8572
8573 save_val = REG_RD(bp, offset);
8574
8575 REG_WR(bp, offset, wr_val);
8576 val = REG_RD(bp, offset);
8577
8578 /* Restore the original register's value */
8579 REG_WR(bp, offset, save_val);
8580
8581 /* verify that value is as expected value */
8582 if ((val & mask) != (wr_val & mask))
8583 goto test_reg_exit;
8584 }
8585 }
8586
8587 rc = 0;
8588
8589test_reg_exit:
8590 return rc;
8591}
8592
8593static int bnx2x_test_memory(struct bnx2x *bp)
8594{
8595 int i, j, rc = -ENODEV;
8596 u32 val;
8597 static const struct {
8598 u32 offset;
8599 int size;
8600 } mem_tbl[] = {
8601 { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE },
8602 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
8603 { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE },
8604 { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE },
8605 { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE },
8606 { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE },
8607 { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE },
8608
8609 { 0xffffffff, 0 }
8610 };
8611 static const struct {
8612 char *name;
8613 u32 offset;
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008614 u32 e1_mask;
8615 u32 e1h_mask;
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008616 } prty_tbl[] = {
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008617 { "CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS, 0x3ffc0, 0 },
8618 { "CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS, 0x2, 0x2 },
8619 { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0, 0 },
8620 { "TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS, 0x3ffc0, 0 },
8621 { "UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS, 0x3ffc0, 0 },
8622 { "XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS, 0x3ffc1, 0 },
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008623
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008624 { NULL, 0xffffffff, 0, 0 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008625 };
8626
8627 if (!netif_running(bp->dev))
8628 return rc;
8629
8630 /* Go through all the memories */
8631 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
8632 for (j = 0; j < mem_tbl[i].size; j++)
8633 REG_RD(bp, mem_tbl[i].offset + j*4);
8634
8635 /* Check the parity status */
8636 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
8637 val = REG_RD(bp, prty_tbl[i].offset);
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008638 if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) ||
8639 (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask)))) {
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008640 DP(NETIF_MSG_HW,
8641 "%s is 0x%x\n", prty_tbl[i].name, val);
8642 goto test_mem_exit;
8643 }
8644 }
8645
8646 rc = 0;
8647
8648test_mem_exit:
8649 return rc;
8650}
8651
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008652static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up)
8653{
8654 int cnt = 1000;
8655
8656 if (link_up)
8657 while (bnx2x_link_test(bp) && cnt--)
8658 msleep(10);
8659}
8660
8661static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
8662{
8663 unsigned int pkt_size, num_pkts, i;
8664 struct sk_buff *skb;
8665 unsigned char *packet;
8666 struct bnx2x_fastpath *fp = &bp->fp[0];
8667 u16 tx_start_idx, tx_idx;
8668 u16 rx_start_idx, rx_idx;
8669 u16 pkt_prod;
8670 struct sw_tx_bd *tx_buf;
8671 struct eth_tx_bd *tx_bd;
8672 dma_addr_t mapping;
8673 union eth_rx_cqe *cqe;
8674 u8 cqe_fp_flags;
8675 struct sw_rx_bd *rx_buf;
8676 u16 len;
8677 int rc = -ENODEV;
8678
8679 if (loopback_mode == BNX2X_MAC_LOOPBACK) {
8680 bp->link_params.loopback_mode = LOOPBACK_BMAC;
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008681 bnx2x_acquire_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008682 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008683 bnx2x_release_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008684
8685 } else if (loopback_mode == BNX2X_PHY_LOOPBACK) {
8686 bp->link_params.loopback_mode = LOOPBACK_XGXS_10;
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008687 bnx2x_acquire_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008688 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008689 bnx2x_release_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008690 /* wait until link state is restored */
8691 bnx2x_wait_for_link(bp, link_up);
8692
8693 } else
8694 return -EINVAL;
8695
8696 pkt_size = 1514;
8697 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
8698 if (!skb) {
8699 rc = -ENOMEM;
8700 goto test_loopback_exit;
8701 }
8702 packet = skb_put(skb, pkt_size);
8703 memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
8704 memset(packet + ETH_ALEN, 0, (ETH_HLEN - ETH_ALEN));
8705 for (i = ETH_HLEN; i < pkt_size; i++)
8706 packet[i] = (unsigned char) (i & 0xff);
8707
8708 num_pkts = 0;
8709 tx_start_idx = le16_to_cpu(*fp->tx_cons_sb);
8710 rx_start_idx = le16_to_cpu(*fp->rx_cons_sb);
8711
8712 pkt_prod = fp->tx_pkt_prod++;
8713 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
8714 tx_buf->first_bd = fp->tx_bd_prod;
8715 tx_buf->skb = skb;
8716
8717 tx_bd = &fp->tx_desc_ring[TX_BD(fp->tx_bd_prod)];
8718 mapping = pci_map_single(bp->pdev, skb->data,
8719 skb_headlen(skb), PCI_DMA_TODEVICE);
8720 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
8721 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
8722 tx_bd->nbd = cpu_to_le16(1);
8723 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
8724 tx_bd->vlan = cpu_to_le16(pkt_prod);
8725 tx_bd->bd_flags.as_bitfield = (ETH_TX_BD_FLAGS_START_BD |
8726 ETH_TX_BD_FLAGS_END_BD);
8727 tx_bd->general_data = ((UNICAST_ADDRESS <<
8728 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT) | 1);
8729
8730 fp->hw_tx_prods->bds_prod =
8731 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + 1);
8732 mb(); /* FW restriction: must not reorder writing nbd and packets */
8733 fp->hw_tx_prods->packets_prod =
8734 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
8735 DOORBELL(bp, FP_IDX(fp), 0);
8736
8737 mmiowb();
8738
8739 num_pkts++;
8740 fp->tx_bd_prod++;
8741 bp->dev->trans_start = jiffies;
8742
8743 udelay(100);
8744
8745 tx_idx = le16_to_cpu(*fp->tx_cons_sb);
8746 if (tx_idx != tx_start_idx + num_pkts)
8747 goto test_loopback_exit;
8748
8749 rx_idx = le16_to_cpu(*fp->rx_cons_sb);
8750 if (rx_idx != rx_start_idx + num_pkts)
8751 goto test_loopback_exit;
8752
8753 cqe = &fp->rx_comp_ring[RCQ_BD(fp->rx_comp_cons)];
8754 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
8755 if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
8756 goto test_loopback_rx_exit;
8757
8758 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
8759 if (len != pkt_size)
8760 goto test_loopback_rx_exit;
8761
8762 rx_buf = &fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)];
8763 skb = rx_buf->skb;
8764 skb_reserve(skb, cqe->fast_path_cqe.placement_offset);
8765 for (i = ETH_HLEN; i < pkt_size; i++)
8766 if (*(skb->data + i) != (unsigned char) (i & 0xff))
8767 goto test_loopback_rx_exit;
8768
8769 rc = 0;
8770
8771test_loopback_rx_exit:
8772 bp->dev->last_rx = jiffies;
8773
8774 fp->rx_bd_cons = NEXT_RX_IDX(fp->rx_bd_cons);
8775 fp->rx_bd_prod = NEXT_RX_IDX(fp->rx_bd_prod);
8776 fp->rx_comp_cons = NEXT_RCQ_IDX(fp->rx_comp_cons);
8777 fp->rx_comp_prod = NEXT_RCQ_IDX(fp->rx_comp_prod);
8778
8779 /* Update producers */
8780 bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod,
8781 fp->rx_sge_prod);
8782 mmiowb(); /* keep prod updates ordered */
8783
8784test_loopback_exit:
8785 bp->link_params.loopback_mode = LOOPBACK_NONE;
8786
8787 return rc;
8788}
8789
8790static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up)
8791{
8792 int rc = 0;
8793
8794 if (!netif_running(bp->dev))
8795 return BNX2X_LOOPBACK_FAILED;
8796
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07008797 bnx2x_netif_stop(bp, 1);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008798
8799 if (bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up)) {
8800 DP(NETIF_MSG_PROBE, "MAC loopback failed\n");
8801 rc |= BNX2X_MAC_LOOPBACK_FAILED;
8802 }
8803
8804 if (bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up)) {
8805 DP(NETIF_MSG_PROBE, "PHY loopback failed\n");
8806 rc |= BNX2X_PHY_LOOPBACK_FAILED;
8807 }
8808
8809 bnx2x_netif_start(bp);
8810
8811 return rc;
8812}
8813
8814#define CRC32_RESIDUAL 0xdebb20e3
8815
8816static int bnx2x_test_nvram(struct bnx2x *bp)
8817{
8818 static const struct {
8819 int offset;
8820 int size;
8821 } nvram_tbl[] = {
8822 { 0, 0x14 }, /* bootstrap */
8823 { 0x14, 0xec }, /* dir */
8824 { 0x100, 0x350 }, /* manuf_info */
8825 { 0x450, 0xf0 }, /* feature_info */
8826 { 0x640, 0x64 }, /* upgrade_key_info */
8827 { 0x6a4, 0x64 },
8828 { 0x708, 0x70 }, /* manuf_key_info */
8829 { 0x778, 0x70 },
8830 { 0, 0 }
8831 };
8832 u32 buf[0x350 / 4];
8833 u8 *data = (u8 *)buf;
8834 int i, rc;
8835 u32 magic, csum;
8836
8837 rc = bnx2x_nvram_read(bp, 0, data, 4);
8838 if (rc) {
8839 DP(NETIF_MSG_PROBE, "magic value read (rc -%d)\n", -rc);
8840 goto test_nvram_exit;
8841 }
8842
8843 magic = be32_to_cpu(buf[0]);
8844 if (magic != 0x669955aa) {
8845 DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
8846 rc = -ENODEV;
8847 goto test_nvram_exit;
8848 }
8849
8850 for (i = 0; nvram_tbl[i].size; i++) {
8851
8852 rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
8853 nvram_tbl[i].size);
8854 if (rc) {
8855 DP(NETIF_MSG_PROBE,
8856 "nvram_tbl[%d] read data (rc -%d)\n", i, -rc);
8857 goto test_nvram_exit;
8858 }
8859
8860 csum = ether_crc_le(nvram_tbl[i].size, data);
8861 if (csum != CRC32_RESIDUAL) {
8862 DP(NETIF_MSG_PROBE,
8863 "nvram_tbl[%d] csum value (0x%08x)\n", i, csum);
8864 rc = -ENODEV;
8865 goto test_nvram_exit;
8866 }
8867 }
8868
8869test_nvram_exit:
8870 return rc;
8871}
8872
8873static int bnx2x_test_intr(struct bnx2x *bp)
8874{
8875 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
8876 int i, rc;
8877
8878 if (!netif_running(bp->dev))
8879 return -ENODEV;
8880
8881 config->hdr.length_6b = 0;
8882 config->hdr.offset = 0;
8883 config->hdr.client_id = BP_CL_ID(bp);
8884 config->hdr.reserved1 = 0;
8885
8886 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
8887 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
8888 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
8889 if (rc == 0) {
8890 bp->set_mac_pending++;
8891 for (i = 0; i < 10; i++) {
8892 if (!bp->set_mac_pending)
8893 break;
8894 msleep_interruptible(10);
8895 }
8896 if (i == 10)
8897 rc = -ENODEV;
8898 }
8899
8900 return rc;
8901}
8902
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008903static void bnx2x_self_test(struct net_device *dev,
8904 struct ethtool_test *etest, u64 *buf)
8905{
8906 struct bnx2x *bp = netdev_priv(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008907
8908 memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
8909
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008910 if (!netif_running(dev))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008911 return;
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008912
Eilon Greenstein33471622008-08-13 15:59:08 -07008913 /* offline tests are not supported in MF mode */
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008914 if (IS_E1HMF(bp))
8915 etest->flags &= ~ETH_TEST_FL_OFFLINE;
8916
8917 if (etest->flags & ETH_TEST_FL_OFFLINE) {
8918 u8 link_up;
8919
8920 link_up = bp->link_vars.link_up;
8921 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8922 bnx2x_nic_load(bp, LOAD_DIAG);
8923 /* wait until link state is restored */
8924 bnx2x_wait_for_link(bp, link_up);
8925
8926 if (bnx2x_test_registers(bp) != 0) {
8927 buf[0] = 1;
8928 etest->flags |= ETH_TEST_FL_FAILED;
8929 }
8930 if (bnx2x_test_memory(bp) != 0) {
8931 buf[1] = 1;
8932 etest->flags |= ETH_TEST_FL_FAILED;
8933 }
8934 buf[2] = bnx2x_test_loopback(bp, link_up);
8935 if (buf[2] != 0)
8936 etest->flags |= ETH_TEST_FL_FAILED;
8937
8938 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8939 bnx2x_nic_load(bp, LOAD_NORMAL);
8940 /* wait until link state is restored */
8941 bnx2x_wait_for_link(bp, link_up);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008942 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008943 if (bnx2x_test_nvram(bp) != 0) {
8944 buf[3] = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008945 etest->flags |= ETH_TEST_FL_FAILED;
8946 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008947 if (bnx2x_test_intr(bp) != 0) {
8948 buf[4] = 1;
8949 etest->flags |= ETH_TEST_FL_FAILED;
8950 }
8951 if (bp->port.pmf)
8952 if (bnx2x_link_test(bp) != 0) {
8953 buf[5] = 1;
8954 etest->flags |= ETH_TEST_FL_FAILED;
8955 }
8956 buf[7] = bnx2x_mc_assert(bp);
8957 if (buf[7] != 0)
8958 etest->flags |= ETH_TEST_FL_FAILED;
8959
8960#ifdef BNX2X_EXTRA_DEBUG
8961 bnx2x_panic_dump(bp);
8962#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008963}
8964
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008965static const struct {
8966 long offset;
8967 int size;
8968 u32 flags;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008969#define STATS_FLAGS_PORT 1
8970#define STATS_FLAGS_FUNC 2
8971 u8 string[ETH_GSTRING_LEN];
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008972} bnx2x_stats_arr[BNX2X_NUM_STATS] = {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008973/* 1 */ { STATS_OFFSET32(valid_bytes_received_hi),
8974 8, STATS_FLAGS_FUNC, "rx_bytes" },
8975 { STATS_OFFSET32(error_bytes_received_hi),
8976 8, STATS_FLAGS_FUNC, "rx_error_bytes" },
8977 { STATS_OFFSET32(total_bytes_transmitted_hi),
8978 8, STATS_FLAGS_FUNC, "tx_bytes" },
8979 { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
8980 8, STATS_FLAGS_PORT, "tx_error_bytes" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008981 { STATS_OFFSET32(total_unicast_packets_received_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008982 8, STATS_FLAGS_FUNC, "rx_ucast_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008983 { STATS_OFFSET32(total_multicast_packets_received_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008984 8, STATS_FLAGS_FUNC, "rx_mcast_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008985 { STATS_OFFSET32(total_broadcast_packets_received_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008986 8, STATS_FLAGS_FUNC, "rx_bcast_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008987 { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008988 8, STATS_FLAGS_FUNC, "tx_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008989 { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008990 8, STATS_FLAGS_PORT, "tx_mac_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008991/* 10 */{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008992 8, STATS_FLAGS_PORT, "tx_carrier_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008993 { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008994 8, STATS_FLAGS_PORT, "rx_crc_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008995 { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008996 8, STATS_FLAGS_PORT, "rx_align_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008997 { STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008998 8, STATS_FLAGS_PORT, "tx_single_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008999 { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009000 8, STATS_FLAGS_PORT, "tx_multi_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009001 { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009002 8, STATS_FLAGS_PORT, "tx_deferred" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009003 { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009004 8, STATS_FLAGS_PORT, "tx_excess_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009005 { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009006 8, STATS_FLAGS_PORT, "tx_late_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009007 { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009008 8, STATS_FLAGS_PORT, "tx_total_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009009 { STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009010 8, STATS_FLAGS_PORT, "rx_fragments" },
9011/* 20 */{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
9012 8, STATS_FLAGS_PORT, "rx_jabbers" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009013 { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009014 8, STATS_FLAGS_PORT, "rx_undersize_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009015 { STATS_OFFSET32(jabber_packets_received),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009016 4, STATS_FLAGS_FUNC, "rx_oversize_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009017 { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009018 8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009019 { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009020 8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009021 { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009022 8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009023 { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009024 8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009025 { STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009026 8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009027 { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009028 8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009029 { STATS_OFFSET32(etherstatspktsover1522octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009030 8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009031/* 30 */{ STATS_OFFSET32(rx_stat_xonpauseframesreceived_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009032 8, STATS_FLAGS_PORT, "rx_xon_frames" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009033 { STATS_OFFSET32(rx_stat_xoffpauseframesreceived_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009034 8, STATS_FLAGS_PORT, "rx_xoff_frames" },
9035 { STATS_OFFSET32(tx_stat_outxonsent_hi),
9036 8, STATS_FLAGS_PORT, "tx_xon_frames" },
9037 { STATS_OFFSET32(tx_stat_outxoffsent_hi),
9038 8, STATS_FLAGS_PORT, "tx_xoff_frames" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009039 { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009040 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
9041 { STATS_OFFSET32(mac_filter_discard),
9042 4, STATS_FLAGS_PORT, "rx_filtered_packets" },
9043 { STATS_OFFSET32(no_buff_discard),
9044 4, STATS_FLAGS_FUNC, "rx_discards" },
9045 { STATS_OFFSET32(xxoverflow_discard),
9046 4, STATS_FLAGS_PORT, "rx_fw_discards" },
9047 { STATS_OFFSET32(brb_drop_hi),
9048 8, STATS_FLAGS_PORT, "brb_discard" },
9049 { STATS_OFFSET32(brb_truncate_hi),
9050 8, STATS_FLAGS_PORT, "brb_truncate" },
9051/* 40 */{ STATS_OFFSET32(rx_err_discard_pkt),
9052 4, STATS_FLAGS_FUNC, "rx_phy_ip_err_discards"},
9053 { STATS_OFFSET32(rx_skb_alloc_failed),
9054 4, STATS_FLAGS_FUNC, "rx_skb_alloc_discard" },
9055/* 42 */{ STATS_OFFSET32(hw_csum_err),
9056 4, STATS_FLAGS_FUNC, "rx_csum_offload_errors" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009057};
9058
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009059#define IS_NOT_E1HMF_STAT(bp, i) \
9060 (IS_E1HMF(bp) && (bnx2x_stats_arr[i].flags & STATS_FLAGS_PORT))
9061
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009062static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
9063{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009064 struct bnx2x *bp = netdev_priv(dev);
9065 int i, j;
9066
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009067 switch (stringset) {
9068 case ETH_SS_STATS:
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009069 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009070 if (IS_NOT_E1HMF_STAT(bp, i))
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009071 continue;
9072 strcpy(buf + j*ETH_GSTRING_LEN,
9073 bnx2x_stats_arr[i].string);
9074 j++;
9075 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009076 break;
9077
9078 case ETH_SS_TEST:
9079 memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
9080 break;
9081 }
9082}
9083
9084static int bnx2x_get_stats_count(struct net_device *dev)
9085{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009086 struct bnx2x *bp = netdev_priv(dev);
9087 int i, num_stats = 0;
9088
9089 for (i = 0; i < BNX2X_NUM_STATS; i++) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009090 if (IS_NOT_E1HMF_STAT(bp, i))
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009091 continue;
9092 num_stats++;
9093 }
9094 return num_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009095}
9096
9097static void bnx2x_get_ethtool_stats(struct net_device *dev,
9098 struct ethtool_stats *stats, u64 *buf)
9099{
9100 struct bnx2x *bp = netdev_priv(dev);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009101 u32 *hw_stats = (u32 *)&bp->eth_stats;
9102 int i, j;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009103
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009104 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009105 if (IS_NOT_E1HMF_STAT(bp, i))
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009106 continue;
9107
9108 if (bnx2x_stats_arr[i].size == 0) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009109 /* skip this counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009110 buf[j] = 0;
9111 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009112 continue;
9113 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009114 if (bnx2x_stats_arr[i].size == 4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009115 /* 4-byte counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009116 buf[j] = (u64) *(hw_stats + bnx2x_stats_arr[i].offset);
9117 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009118 continue;
9119 }
9120 /* 8-byte counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009121 buf[j] = HILO_U64(*(hw_stats + bnx2x_stats_arr[i].offset),
9122 *(hw_stats + bnx2x_stats_arr[i].offset + 1));
9123 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009124 }
9125}
9126
9127static int bnx2x_phys_id(struct net_device *dev, u32 data)
9128{
9129 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009130 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009131 int i;
9132
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009133 if (!netif_running(dev))
9134 return 0;
9135
9136 if (!bp->port.pmf)
9137 return 0;
9138
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009139 if (data == 0)
9140 data = 2;
9141
9142 for (i = 0; i < (data * 2); i++) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009143 if ((i % 2) == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009144 bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009145 bp->link_params.hw_led_mode,
9146 bp->link_params.chip_id);
9147 else
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009148 bnx2x_set_led(bp, port, LED_MODE_OFF, 0,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009149 bp->link_params.hw_led_mode,
9150 bp->link_params.chip_id);
9151
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009152 msleep_interruptible(500);
9153 if (signal_pending(current))
9154 break;
9155 }
9156
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009157 if (bp->link_vars.link_up)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009158 bnx2x_set_led(bp, port, LED_MODE_OPER,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009159 bp->link_vars.line_speed,
9160 bp->link_params.hw_led_mode,
9161 bp->link_params.chip_id);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009162
9163 return 0;
9164}
9165
9166static struct ethtool_ops bnx2x_ethtool_ops = {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009167 .get_settings = bnx2x_get_settings,
9168 .set_settings = bnx2x_set_settings,
9169 .get_drvinfo = bnx2x_get_drvinfo,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009170 .get_wol = bnx2x_get_wol,
9171 .set_wol = bnx2x_set_wol,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009172 .get_msglevel = bnx2x_get_msglevel,
9173 .set_msglevel = bnx2x_set_msglevel,
9174 .nway_reset = bnx2x_nway_reset,
9175 .get_link = ethtool_op_get_link,
9176 .get_eeprom_len = bnx2x_get_eeprom_len,
9177 .get_eeprom = bnx2x_get_eeprom,
9178 .set_eeprom = bnx2x_set_eeprom,
9179 .get_coalesce = bnx2x_get_coalesce,
9180 .set_coalesce = bnx2x_set_coalesce,
9181 .get_ringparam = bnx2x_get_ringparam,
9182 .set_ringparam = bnx2x_set_ringparam,
9183 .get_pauseparam = bnx2x_get_pauseparam,
9184 .set_pauseparam = bnx2x_set_pauseparam,
9185 .get_rx_csum = bnx2x_get_rx_csum,
9186 .set_rx_csum = bnx2x_set_rx_csum,
9187 .get_tx_csum = ethtool_op_get_tx_csum,
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009188 .set_tx_csum = ethtool_op_set_tx_hw_csum,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009189 .set_flags = bnx2x_set_flags,
9190 .get_flags = ethtool_op_get_flags,
9191 .get_sg = ethtool_op_get_sg,
9192 .set_sg = ethtool_op_set_sg,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009193 .get_tso = ethtool_op_get_tso,
9194 .set_tso = bnx2x_set_tso,
9195 .self_test_count = bnx2x_self_test_count,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009196 .self_test = bnx2x_self_test,
9197 .get_strings = bnx2x_get_strings,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009198 .phys_id = bnx2x_phys_id,
9199 .get_stats_count = bnx2x_get_stats_count,
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009200 .get_ethtool_stats = bnx2x_get_ethtool_stats,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009201};
9202
9203/* end of ethtool_ops */
9204
9205/****************************************************************************
9206* General service functions
9207****************************************************************************/
9208
9209static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
9210{
9211 u16 pmcsr;
9212
9213 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
9214
9215 switch (state) {
9216 case PCI_D0:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009217 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009218 ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
9219 PCI_PM_CTRL_PME_STATUS));
9220
9221 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
Eilon Greenstein33471622008-08-13 15:59:08 -07009222 /* delay required during transition out of D3hot */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009223 msleep(20);
9224 break;
9225
9226 case PCI_D3hot:
9227 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
9228 pmcsr |= 3;
9229
9230 if (bp->wol)
9231 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
9232
9233 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
9234 pmcsr);
9235
9236 /* No more memory access after this point until
9237 * device is brought back to D0.
9238 */
9239 break;
9240
9241 default:
9242 return -EINVAL;
9243 }
9244 return 0;
9245}
9246
9247/*
9248 * net_device service functions
9249 */
9250
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009251static int bnx2x_poll(struct napi_struct *napi, int budget)
9252{
9253 struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath,
9254 napi);
9255 struct bnx2x *bp = fp->bp;
9256 int work_done = 0;
Eilon Greenstein2772f902008-08-25 15:19:17 -07009257 u16 rx_cons_sb;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009258
9259#ifdef BNX2X_STOP_ON_ERROR
9260 if (unlikely(bp->panic))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009261 goto poll_panic;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009262#endif
9263
9264 prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb);
9265 prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb);
9266 prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256);
9267
9268 bnx2x_update_fpsb_idx(fp);
9269
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009270 if (BNX2X_HAS_TX_WORK(fp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009271 bnx2x_tx_int(fp, budget);
9272
Eilon Greenstein2772f902008-08-25 15:19:17 -07009273 rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
9274 if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
9275 rx_cons_sb++;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009276 if (BNX2X_HAS_RX_WORK(fp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009277 work_done = bnx2x_rx_int(fp, budget);
9278
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009279 rmb(); /* BNX2X_HAS_WORK() reads the status block */
Eilon Greenstein2772f902008-08-25 15:19:17 -07009280 rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
9281 if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
9282 rx_cons_sb++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009283
9284 /* must not complete if we consumed full budget */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009285 if ((work_done < budget) && !BNX2X_HAS_WORK(fp)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009286
9287#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009288poll_panic:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009289#endif
9290 netif_rx_complete(bp->dev, napi);
9291
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009292 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009293 le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009294 bnx2x_ack_sb(bp, FP_SB_ID(fp), CSTORM_ID,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009295 le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
9296 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009297 return work_done;
9298}
9299
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009300
9301/* we split the first BD into headers and data BDs
Eilon Greenstein33471622008-08-13 15:59:08 -07009302 * to ease the pain of our fellow microcode engineers
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009303 * we use one mapping for both BDs
9304 * So far this has only been observed to happen
9305 * in Other Operating Systems(TM)
9306 */
9307static noinline u16 bnx2x_tx_split(struct bnx2x *bp,
9308 struct bnx2x_fastpath *fp,
9309 struct eth_tx_bd **tx_bd, u16 hlen,
9310 u16 bd_prod, int nbd)
9311{
9312 struct eth_tx_bd *h_tx_bd = *tx_bd;
9313 struct eth_tx_bd *d_tx_bd;
9314 dma_addr_t mapping;
9315 int old_len = le16_to_cpu(h_tx_bd->nbytes);
9316
9317 /* first fix first BD */
9318 h_tx_bd->nbd = cpu_to_le16(nbd);
9319 h_tx_bd->nbytes = cpu_to_le16(hlen);
9320
9321 DP(NETIF_MSG_TX_QUEUED, "TSO split header size is %d "
9322 "(%x:%x) nbd %d\n", h_tx_bd->nbytes, h_tx_bd->addr_hi,
9323 h_tx_bd->addr_lo, h_tx_bd->nbd);
9324
9325 /* now get a new data BD
9326 * (after the pbd) and fill it */
9327 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9328 d_tx_bd = &fp->tx_desc_ring[bd_prod];
9329
9330 mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi),
9331 le32_to_cpu(h_tx_bd->addr_lo)) + hlen;
9332
9333 d_tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9334 d_tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9335 d_tx_bd->nbytes = cpu_to_le16(old_len - hlen);
9336 d_tx_bd->vlan = 0;
9337 /* this marks the BD as one that has no individual mapping
9338 * the FW ignores this flag in a BD not marked start
9339 */
9340 d_tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO;
9341 DP(NETIF_MSG_TX_QUEUED,
9342 "TSO split data size is %d (%x:%x)\n",
9343 d_tx_bd->nbytes, d_tx_bd->addr_hi, d_tx_bd->addr_lo);
9344
9345 /* update tx_bd for marking the last BD flag */
9346 *tx_bd = d_tx_bd;
9347
9348 return bd_prod;
9349}
9350
9351static inline u16 bnx2x_csum_fix(unsigned char *t_header, u16 csum, s8 fix)
9352{
9353 if (fix > 0)
9354 csum = (u16) ~csum_fold(csum_sub(csum,
9355 csum_partial(t_header - fix, fix, 0)));
9356
9357 else if (fix < 0)
9358 csum = (u16) ~csum_fold(csum_add(csum,
9359 csum_partial(t_header, -fix, 0)));
9360
9361 return swab16(csum);
9362}
9363
9364static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
9365{
9366 u32 rc;
9367
9368 if (skb->ip_summed != CHECKSUM_PARTIAL)
9369 rc = XMIT_PLAIN;
9370
9371 else {
9372 if (skb->protocol == ntohs(ETH_P_IPV6)) {
9373 rc = XMIT_CSUM_V6;
9374 if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
9375 rc |= XMIT_CSUM_TCP;
9376
9377 } else {
9378 rc = XMIT_CSUM_V4;
9379 if (ip_hdr(skb)->protocol == IPPROTO_TCP)
9380 rc |= XMIT_CSUM_TCP;
9381 }
9382 }
9383
9384 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4)
9385 rc |= XMIT_GSO_V4;
9386
9387 else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
9388 rc |= XMIT_GSO_V6;
9389
9390 return rc;
9391}
9392
9393/* check if packet requires linearization (packet is too fragmented) */
9394static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
9395 u32 xmit_type)
9396{
9397 int to_copy = 0;
9398 int hlen = 0;
9399 int first_bd_sz = 0;
9400
9401 /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
9402 if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) {
9403
9404 if (xmit_type & XMIT_GSO) {
9405 unsigned short lso_mss = skb_shinfo(skb)->gso_size;
9406 /* Check if LSO packet needs to be copied:
9407 3 = 1 (for headers BD) + 2 (for PBD and last BD) */
9408 int wnd_size = MAX_FETCH_BD - 3;
Eilon Greenstein33471622008-08-13 15:59:08 -07009409 /* Number of windows to check */
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009410 int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size;
9411 int wnd_idx = 0;
9412 int frag_idx = 0;
9413 u32 wnd_sum = 0;
9414
9415 /* Headers length */
9416 hlen = (int)(skb_transport_header(skb) - skb->data) +
9417 tcp_hdrlen(skb);
9418
9419 /* Amount of data (w/o headers) on linear part of SKB*/
9420 first_bd_sz = skb_headlen(skb) - hlen;
9421
9422 wnd_sum = first_bd_sz;
9423
9424 /* Calculate the first sum - it's special */
9425 for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++)
9426 wnd_sum +=
9427 skb_shinfo(skb)->frags[frag_idx].size;
9428
9429 /* If there was data on linear skb data - check it */
9430 if (first_bd_sz > 0) {
9431 if (unlikely(wnd_sum < lso_mss)) {
9432 to_copy = 1;
9433 goto exit_lbl;
9434 }
9435
9436 wnd_sum -= first_bd_sz;
9437 }
9438
9439 /* Others are easier: run through the frag list and
9440 check all windows */
9441 for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) {
9442 wnd_sum +=
9443 skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size;
9444
9445 if (unlikely(wnd_sum < lso_mss)) {
9446 to_copy = 1;
9447 break;
9448 }
9449 wnd_sum -=
9450 skb_shinfo(skb)->frags[wnd_idx].size;
9451 }
9452
9453 } else {
9454 /* in non-LSO too fragmented packet should always
9455 be linearized */
9456 to_copy = 1;
9457 }
9458 }
9459
9460exit_lbl:
9461 if (unlikely(to_copy))
9462 DP(NETIF_MSG_TX_QUEUED,
9463 "Linearization IS REQUIRED for %s packet. "
9464 "num_frags %d hlen %d first_bd_sz %d\n",
9465 (xmit_type & XMIT_GSO) ? "LSO" : "non-LSO",
9466 skb_shinfo(skb)->nr_frags, hlen, first_bd_sz);
9467
9468 return to_copy;
9469}
9470
9471/* called with netif_tx_lock
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009472 * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009473 * netif_wake_queue()
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009474 */
9475static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
9476{
9477 struct bnx2x *bp = netdev_priv(dev);
9478 struct bnx2x_fastpath *fp;
9479 struct sw_tx_bd *tx_buf;
9480 struct eth_tx_bd *tx_bd;
9481 struct eth_tx_parse_bd *pbd = NULL;
9482 u16 pkt_prod, bd_prod;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009483 int nbd, fp_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009484 dma_addr_t mapping;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009485 u32 xmit_type = bnx2x_xmit_type(bp, skb);
9486 int vlan_off = (bp->e1hov ? 4 : 0);
9487 int i;
9488 u8 hlen = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009489
9490#ifdef BNX2X_STOP_ON_ERROR
9491 if (unlikely(bp->panic))
9492 return NETDEV_TX_BUSY;
9493#endif
9494
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009495 fp_index = (smp_processor_id() % bp->num_queues);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009496 fp = &bp->fp[fp_index];
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009497
Yitchak Gertner231fd582008-08-25 15:27:06 -07009498 if (unlikely(bnx2x_tx_avail(fp) < (skb_shinfo(skb)->nr_frags + 3))) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009499 bp->eth_stats.driver_xoff++,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009500 netif_stop_queue(dev);
9501 BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
9502 return NETDEV_TX_BUSY;
9503 }
9504
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009505 DP(NETIF_MSG_TX_QUEUED, "SKB: summed %x protocol %x protocol(%x,%x)"
9506 " gso type %x xmit_type %x\n",
9507 skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr,
9508 ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type);
9509
Eilon Greenstein33471622008-08-13 15:59:08 -07009510 /* First, check if we need to linearize the skb
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009511 (due to FW restrictions) */
9512 if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) {
9513 /* Statistics of linearization */
9514 bp->lin_cnt++;
9515 if (skb_linearize(skb) != 0) {
9516 DP(NETIF_MSG_TX_QUEUED, "SKB linearization failed - "
9517 "silently dropping this SKB\n");
9518 dev_kfree_skb_any(skb);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009519 return NETDEV_TX_OK;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009520 }
9521 }
9522
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009523 /*
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009524 Please read carefully. First we use one BD which we mark as start,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009525 then for TSO or xsum we have a parsing info BD,
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009526 and only then we have the rest of the TSO BDs.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009527 (don't forget to mark the last one as last,
9528 and to unmap only AFTER you write to the BD ...)
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009529 And above all, all pdb sizes are in words - NOT DWORDS!
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009530 */
9531
9532 pkt_prod = fp->tx_pkt_prod++;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009533 bd_prod = TX_BD(fp->tx_bd_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009534
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009535 /* get a tx_buf and first BD */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009536 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
9537 tx_bd = &fp->tx_desc_ring[bd_prod];
9538
9539 tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
9540 tx_bd->general_data = (UNICAST_ADDRESS <<
9541 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT);
Eilon Greenstein3196a882008-08-13 15:58:49 -07009542 /* header nbd */
9543 tx_bd->general_data |= (1 << ETH_TX_BD_HDR_NBDS_SHIFT);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009544
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009545 /* remember the first BD of the packet */
9546 tx_buf->first_bd = fp->tx_bd_prod;
9547 tx_buf->skb = skb;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009548
9549 DP(NETIF_MSG_TX_QUEUED,
9550 "sending pkt %u @%p next_idx %u bd %u @%p\n",
9551 pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_bd);
9552
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009553 if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb)) {
9554 tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb));
9555 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009556 vlan_off += 4;
9557 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009558 tx_bd->vlan = cpu_to_le16(pkt_prod);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009559
9560 if (xmit_type) {
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009561 /* turn on parsing and get a BD */
9562 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9563 pbd = (void *)&fp->tx_desc_ring[bd_prod];
9564
9565 memset(pbd, 0, sizeof(struct eth_tx_parse_bd));
9566 }
9567
9568 if (xmit_type & XMIT_CSUM) {
9569 hlen = (skb_network_header(skb) - skb->data + vlan_off) / 2;
9570
9571 /* for now NS flag is not used in Linux */
9572 pbd->global_data = (hlen |
9573 ((skb->protocol == ntohs(ETH_P_8021Q)) <<
9574 ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT));
9575
9576 pbd->ip_hlen = (skb_transport_header(skb) -
9577 skb_network_header(skb)) / 2;
9578
9579 hlen += pbd->ip_hlen + tcp_hdrlen(skb) / 2;
9580
9581 pbd->total_hlen = cpu_to_le16(hlen);
9582 hlen = hlen*2 - vlan_off;
9583
9584 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM;
9585
9586 if (xmit_type & XMIT_CSUM_V4)
9587 tx_bd->bd_flags.as_bitfield |=
9588 ETH_TX_BD_FLAGS_IP_CSUM;
9589 else
9590 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IPV6;
9591
9592 if (xmit_type & XMIT_CSUM_TCP) {
9593 pbd->tcp_pseudo_csum = swab16(tcp_hdr(skb)->check);
9594
9595 } else {
9596 s8 fix = SKB_CS_OFF(skb); /* signed! */
9597
9598 pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG;
9599 pbd->cs_offset = fix / 2;
9600
9601 DP(NETIF_MSG_TX_QUEUED,
9602 "hlen %d offset %d fix %d csum before fix %x\n",
9603 le16_to_cpu(pbd->total_hlen), pbd->cs_offset, fix,
9604 SKB_CS(skb));
9605
9606 /* HW bug: fixup the CSUM */
9607 pbd->tcp_pseudo_csum =
9608 bnx2x_csum_fix(skb_transport_header(skb),
9609 SKB_CS(skb), fix);
9610
9611 DP(NETIF_MSG_TX_QUEUED, "csum after fix %x\n",
9612 pbd->tcp_pseudo_csum);
9613 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009614 }
9615
9616 mapping = pci_map_single(bp->pdev, skb->data,
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009617 skb_headlen(skb), PCI_DMA_TODEVICE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009618
9619 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9620 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
Eilon Greenstein6378c022008-08-13 15:59:25 -07009621 nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL) ? 1 : 2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009622 tx_bd->nbd = cpu_to_le16(nbd);
9623 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
9624
9625 DP(NETIF_MSG_TX_QUEUED, "first bd @%p addr (%x:%x) nbd %d"
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009626 " nbytes %d flags %x vlan %x\n",
9627 tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, le16_to_cpu(tx_bd->nbd),
9628 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield,
9629 le16_to_cpu(tx_bd->vlan));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009630
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009631 if (xmit_type & XMIT_GSO) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009632
9633 DP(NETIF_MSG_TX_QUEUED,
9634 "TSO packet len %d hlen %d total len %d tso size %d\n",
9635 skb->len, hlen, skb_headlen(skb),
9636 skb_shinfo(skb)->gso_size);
9637
9638 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO;
9639
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009640 if (unlikely(skb_headlen(skb) > hlen))
9641 bd_prod = bnx2x_tx_split(bp, fp, &tx_bd, hlen,
9642 bd_prod, ++nbd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009643
9644 pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
9645 pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009646 pbd->tcp_flags = pbd_tcp_flags(skb);
9647
9648 if (xmit_type & XMIT_GSO_V4) {
9649 pbd->ip_id = swab16(ip_hdr(skb)->id);
9650 pbd->tcp_pseudo_csum =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009651 swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr,
9652 ip_hdr(skb)->daddr,
9653 0, IPPROTO_TCP, 0));
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009654
9655 } else
9656 pbd->tcp_pseudo_csum =
9657 swab16(~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
9658 &ipv6_hdr(skb)->daddr,
9659 0, IPPROTO_TCP, 0));
9660
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009661 pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN;
9662 }
9663
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009664 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
9665 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009666
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009667 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9668 tx_bd = &fp->tx_desc_ring[bd_prod];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009669
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009670 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
9671 frag->size, PCI_DMA_TODEVICE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009672
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009673 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9674 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9675 tx_bd->nbytes = cpu_to_le16(frag->size);
9676 tx_bd->vlan = cpu_to_le16(pkt_prod);
9677 tx_bd->bd_flags.as_bitfield = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009678
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009679 DP(NETIF_MSG_TX_QUEUED,
9680 "frag %d bd @%p addr (%x:%x) nbytes %d flags %x\n",
9681 i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo,
9682 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009683 }
9684
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009685 /* now at last mark the BD as the last BD */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009686 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD;
9687
9688 DP(NETIF_MSG_TX_QUEUED, "last bd @%p flags %x\n",
9689 tx_bd, tx_bd->bd_flags.as_bitfield);
9690
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009691 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9692
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009693 /* now send a tx doorbell, counting the next BD
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009694 * if the packet contains or ends with it
9695 */
9696 if (TX_BD_POFF(bd_prod) < nbd)
9697 nbd++;
9698
9699 if (pbd)
9700 DP(NETIF_MSG_TX_QUEUED,
9701 "PBD @%p ip_data %x ip_hlen %u ip_id %u lso_mss %u"
9702 " tcp_flags %x xsum %x seq %u hlen %u\n",
9703 pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id,
9704 pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum,
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009705 pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009706
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009707 DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d bd %u\n", nbd, bd_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009708
Eliezer Tamir96fc1782008-02-28 11:57:55 -08009709 fp->hw_tx_prods->bds_prod =
9710 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + nbd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009711 mb(); /* FW restriction: must not reorder writing nbd and packets */
Eliezer Tamir96fc1782008-02-28 11:57:55 -08009712 fp->hw_tx_prods->packets_prod =
9713 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009714 DOORBELL(bp, FP_IDX(fp), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009715
9716 mmiowb();
9717
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009718 fp->tx_bd_prod += nbd;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009719 dev->trans_start = jiffies;
9720
9721 if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
9722 netif_stop_queue(dev);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009723 bp->eth_stats.driver_xoff++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009724 if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
9725 netif_wake_queue(dev);
9726 }
9727 fp->tx_pkt++;
9728
9729 return NETDEV_TX_OK;
9730}
9731
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009732/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009733static int bnx2x_open(struct net_device *dev)
9734{
9735 struct bnx2x *bp = netdev_priv(dev);
9736
9737 bnx2x_set_power_state(bp, PCI_D0);
9738
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009739 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009740}
9741
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009742/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009743static int bnx2x_close(struct net_device *dev)
9744{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009745 struct bnx2x *bp = netdev_priv(dev);
9746
9747 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009748 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
9749 if (atomic_read(&bp->pdev->enable_cnt) == 1)
9750 if (!CHIP_REV_IS_SLOW(bp))
9751 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009752
9753 return 0;
9754}
9755
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009756/* called with netif_tx_lock from set_multicast */
9757static void bnx2x_set_rx_mode(struct net_device *dev)
9758{
9759 struct bnx2x *bp = netdev_priv(dev);
9760 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
9761 int port = BP_PORT(bp);
9762
9763 if (bp->state != BNX2X_STATE_OPEN) {
9764 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
9765 return;
9766 }
9767
9768 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
9769
9770 if (dev->flags & IFF_PROMISC)
9771 rx_mode = BNX2X_RX_MODE_PROMISC;
9772
9773 else if ((dev->flags & IFF_ALLMULTI) ||
9774 ((dev->mc_count > BNX2X_MAX_MULTICAST) && CHIP_IS_E1(bp)))
9775 rx_mode = BNX2X_RX_MODE_ALLMULTI;
9776
9777 else { /* some multicasts */
9778 if (CHIP_IS_E1(bp)) {
9779 int i, old, offset;
9780 struct dev_mc_list *mclist;
9781 struct mac_configuration_cmd *config =
9782 bnx2x_sp(bp, mcast_config);
9783
9784 for (i = 0, mclist = dev->mc_list;
9785 mclist && (i < dev->mc_count);
9786 i++, mclist = mclist->next) {
9787
9788 config->config_table[i].
9789 cam_entry.msb_mac_addr =
9790 swab16(*(u16 *)&mclist->dmi_addr[0]);
9791 config->config_table[i].
9792 cam_entry.middle_mac_addr =
9793 swab16(*(u16 *)&mclist->dmi_addr[2]);
9794 config->config_table[i].
9795 cam_entry.lsb_mac_addr =
9796 swab16(*(u16 *)&mclist->dmi_addr[4]);
9797 config->config_table[i].cam_entry.flags =
9798 cpu_to_le16(port);
9799 config->config_table[i].
9800 target_table_entry.flags = 0;
9801 config->config_table[i].
9802 target_table_entry.client_id = 0;
9803 config->config_table[i].
9804 target_table_entry.vlan_id = 0;
9805
9806 DP(NETIF_MSG_IFUP,
9807 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
9808 config->config_table[i].
9809 cam_entry.msb_mac_addr,
9810 config->config_table[i].
9811 cam_entry.middle_mac_addr,
9812 config->config_table[i].
9813 cam_entry.lsb_mac_addr);
9814 }
9815 old = config->hdr.length_6b;
9816 if (old > i) {
9817 for (; i < old; i++) {
9818 if (CAM_IS_INVALID(config->
9819 config_table[i])) {
9820 i--; /* already invalidated */
9821 break;
9822 }
9823 /* invalidate */
9824 CAM_INVALIDATE(config->
9825 config_table[i]);
9826 }
9827 }
9828
9829 if (CHIP_REV_IS_SLOW(bp))
9830 offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
9831 else
9832 offset = BNX2X_MAX_MULTICAST*(1 + port);
9833
9834 config->hdr.length_6b = i;
9835 config->hdr.offset = offset;
9836 config->hdr.client_id = BP_CL_ID(bp);
9837 config->hdr.reserved1 = 0;
9838
9839 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
9840 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
9841 U64_LO(bnx2x_sp_mapping(bp, mcast_config)),
9842 0);
9843 } else { /* E1H */
9844 /* Accept one or more multicasts */
9845 struct dev_mc_list *mclist;
9846 u32 mc_filter[MC_HASH_SIZE];
9847 u32 crc, bit, regidx;
9848 int i;
9849
9850 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
9851
9852 for (i = 0, mclist = dev->mc_list;
9853 mclist && (i < dev->mc_count);
9854 i++, mclist = mclist->next) {
9855
9856 DP(NETIF_MSG_IFUP, "Adding mcast MAC: "
9857 "%02x:%02x:%02x:%02x:%02x:%02x\n",
9858 mclist->dmi_addr[0], mclist->dmi_addr[1],
9859 mclist->dmi_addr[2], mclist->dmi_addr[3],
9860 mclist->dmi_addr[4], mclist->dmi_addr[5]);
9861
9862 crc = crc32c_le(0, mclist->dmi_addr, ETH_ALEN);
9863 bit = (crc >> 24) & 0xff;
9864 regidx = bit >> 5;
9865 bit &= 0x1f;
9866 mc_filter[regidx] |= (1 << bit);
9867 }
9868
9869 for (i = 0; i < MC_HASH_SIZE; i++)
9870 REG_WR(bp, MC_HASH_OFFSET(bp, i),
9871 mc_filter[i]);
9872 }
9873 }
9874
9875 bp->rx_mode = rx_mode;
9876 bnx2x_set_storm_rx_mode(bp);
9877}
9878
9879/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009880static int bnx2x_change_mac_addr(struct net_device *dev, void *p)
9881{
9882 struct sockaddr *addr = p;
9883 struct bnx2x *bp = netdev_priv(dev);
9884
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009885 if (!is_valid_ether_addr((u8 *)(addr->sa_data)))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009886 return -EINVAL;
9887
9888 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009889 if (netif_running(dev)) {
9890 if (CHIP_IS_E1(bp))
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07009891 bnx2x_set_mac_addr_e1(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009892 else
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07009893 bnx2x_set_mac_addr_e1h(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009894 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009895
9896 return 0;
9897}
9898
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009899/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009900static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9901{
9902 struct mii_ioctl_data *data = if_mii(ifr);
9903 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein3196a882008-08-13 15:58:49 -07009904 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009905 int err;
9906
9907 switch (cmd) {
9908 case SIOCGMIIPHY:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009909 data->phy_id = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009910
Eliezer Tamirc14423f2008-02-28 11:49:42 -08009911 /* fallthrough */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009912
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009913 case SIOCGMIIREG: {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009914 u16 mii_regval;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009915
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009916 if (!netif_running(dev))
9917 return -EAGAIN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009918
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009919 mutex_lock(&bp->port.phy_mutex);
Eilon Greenstein3196a882008-08-13 15:58:49 -07009920 err = bnx2x_cl45_read(bp, port, 0, bp->port.phy_addr,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009921 DEFAULT_PHY_DEV_ADDR,
9922 (data->reg_num & 0x1f), &mii_regval);
9923 data->val_out = mii_regval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009924 mutex_unlock(&bp->port.phy_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009925 return err;
9926 }
9927
9928 case SIOCSMIIREG:
9929 if (!capable(CAP_NET_ADMIN))
9930 return -EPERM;
9931
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009932 if (!netif_running(dev))
9933 return -EAGAIN;
9934
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009935 mutex_lock(&bp->port.phy_mutex);
Eilon Greenstein3196a882008-08-13 15:58:49 -07009936 err = bnx2x_cl45_write(bp, port, 0, bp->port.phy_addr,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009937 DEFAULT_PHY_DEV_ADDR,
9938 (data->reg_num & 0x1f), data->val_in);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009939 mutex_unlock(&bp->port.phy_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009940 return err;
9941
9942 default:
9943 /* do nothing */
9944 break;
9945 }
9946
9947 return -EOPNOTSUPP;
9948}
9949
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009950/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009951static int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
9952{
9953 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009954 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009955
9956 if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) ||
9957 ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE))
9958 return -EINVAL;
9959
9960 /* This does not race with packet allocation
Eliezer Tamirc14423f2008-02-28 11:49:42 -08009961 * because the actual alloc size is
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009962 * only updated as part of load
9963 */
9964 dev->mtu = new_mtu;
9965
9966 if (netif_running(dev)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009967 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
9968 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009969 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009970
9971 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009972}
9973
9974static void bnx2x_tx_timeout(struct net_device *dev)
9975{
9976 struct bnx2x *bp = netdev_priv(dev);
9977
9978#ifdef BNX2X_STOP_ON_ERROR
9979 if (!bp->panic)
9980 bnx2x_panic();
9981#endif
9982 /* This allows the netif to be shutdown gracefully before resetting */
9983 schedule_work(&bp->reset_task);
9984}
9985
9986#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009987/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009988static void bnx2x_vlan_rx_register(struct net_device *dev,
9989 struct vlan_group *vlgrp)
9990{
9991 struct bnx2x *bp = netdev_priv(dev);
9992
9993 bp->vlgrp = vlgrp;
9994 if (netif_running(dev))
Eliezer Tamir49d66772008-02-28 11:53:13 -08009995 bnx2x_set_client_config(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009996}
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009997
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009998#endif
9999
10000#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
10001static void poll_bnx2x(struct net_device *dev)
10002{
10003 struct bnx2x *bp = netdev_priv(dev);
10004
10005 disable_irq(bp->pdev->irq);
10006 bnx2x_interrupt(bp->pdev->irq, dev);
10007 enable_irq(bp->pdev->irq);
10008}
10009#endif
10010
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010011static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
10012 struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010013{
10014 struct bnx2x *bp;
10015 int rc;
10016
10017 SET_NETDEV_DEV(dev, &pdev->dev);
10018 bp = netdev_priv(dev);
10019
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010020 bp->dev = dev;
10021 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010022 bp->flags = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010023 bp->func = PCI_FUNC(pdev->devfn);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010024
10025 rc = pci_enable_device(pdev);
10026 if (rc) {
10027 printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n");
10028 goto err_out;
10029 }
10030
10031 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
10032 printk(KERN_ERR PFX "Cannot find PCI device base address,"
10033 " aborting\n");
10034 rc = -ENODEV;
10035 goto err_out_disable;
10036 }
10037
10038 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
10039 printk(KERN_ERR PFX "Cannot find second PCI device"
10040 " base address, aborting\n");
10041 rc = -ENODEV;
10042 goto err_out_disable;
10043 }
10044
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010045 if (atomic_read(&pdev->enable_cnt) == 1) {
10046 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
10047 if (rc) {
10048 printk(KERN_ERR PFX "Cannot obtain PCI resources,"
10049 " aborting\n");
10050 goto err_out_disable;
10051 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010052
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010053 pci_set_master(pdev);
10054 pci_save_state(pdev);
10055 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010056
10057 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
10058 if (bp->pm_cap == 0) {
10059 printk(KERN_ERR PFX "Cannot find power management"
10060 " capability, aborting\n");
10061 rc = -EIO;
10062 goto err_out_release;
10063 }
10064
10065 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
10066 if (bp->pcie_cap == 0) {
10067 printk(KERN_ERR PFX "Cannot find PCI Express capability,"
10068 " aborting\n");
10069 rc = -EIO;
10070 goto err_out_release;
10071 }
10072
10073 if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
10074 bp->flags |= USING_DAC_FLAG;
10075 if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
10076 printk(KERN_ERR PFX "pci_set_consistent_dma_mask"
10077 " failed, aborting\n");
10078 rc = -EIO;
10079 goto err_out_release;
10080 }
10081
10082 } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
10083 printk(KERN_ERR PFX "System does not support DMA,"
10084 " aborting\n");
10085 rc = -EIO;
10086 goto err_out_release;
10087 }
10088
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010089 dev->mem_start = pci_resource_start(pdev, 0);
10090 dev->base_addr = dev->mem_start;
10091 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010092
10093 dev->irq = pdev->irq;
10094
10095 bp->regview = ioremap_nocache(dev->base_addr,
10096 pci_resource_len(pdev, 0));
10097 if (!bp->regview) {
10098 printk(KERN_ERR PFX "Cannot map register space, aborting\n");
10099 rc = -ENOMEM;
10100 goto err_out_release;
10101 }
10102
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010103 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
10104 min_t(u64, BNX2X_DB_SIZE,
10105 pci_resource_len(pdev, 2)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010106 if (!bp->doorbells) {
10107 printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n");
10108 rc = -ENOMEM;
10109 goto err_out_unmap;
10110 }
10111
10112 bnx2x_set_power_state(bp, PCI_D0);
10113
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010114 /* clean indirect addresses */
10115 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
10116 PCICFG_VENDOR_ID_OFFSET);
10117 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
10118 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
10119 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
10120 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010121
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010122 dev->hard_start_xmit = bnx2x_start_xmit;
10123 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010124
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010125 dev->ethtool_ops = &bnx2x_ethtool_ops;
10126 dev->open = bnx2x_open;
10127 dev->stop = bnx2x_close;
10128 dev->set_multicast_list = bnx2x_set_rx_mode;
10129 dev->set_mac_address = bnx2x_change_mac_addr;
10130 dev->do_ioctl = bnx2x_ioctl;
10131 dev->change_mtu = bnx2x_change_mtu;
10132 dev->tx_timeout = bnx2x_tx_timeout;
10133#ifdef BCM_VLAN
10134 dev->vlan_rx_register = bnx2x_vlan_rx_register;
10135#endif
10136#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
10137 dev->poll_controller = poll_bnx2x;
10138#endif
10139 dev->features |= NETIF_F_SG;
10140 dev->features |= NETIF_F_HW_CSUM;
10141 if (bp->flags & USING_DAC_FLAG)
10142 dev->features |= NETIF_F_HIGHDMA;
10143#ifdef BCM_VLAN
10144 dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
10145#endif
10146 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735eb2008-06-23 20:35:13 -070010147 dev->features |= NETIF_F_TSO6;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010148
10149 return 0;
10150
10151err_out_unmap:
10152 if (bp->regview) {
10153 iounmap(bp->regview);
10154 bp->regview = NULL;
10155 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010156 if (bp->doorbells) {
10157 iounmap(bp->doorbells);
10158 bp->doorbells = NULL;
10159 }
10160
10161err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010162 if (atomic_read(&pdev->enable_cnt) == 1)
10163 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010164
10165err_out_disable:
10166 pci_disable_device(pdev);
10167 pci_set_drvdata(pdev, NULL);
10168
10169err_out:
10170 return rc;
10171}
10172
Eliezer Tamir25047952008-02-28 11:50:16 -080010173static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp)
10174{
10175 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10176
10177 val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
10178 return val;
10179}
10180
10181/* return value of 1=2.5GHz 2=5GHz */
10182static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp)
10183{
10184 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10185
10186 val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
10187 return val;
10188}
10189
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010190static int __devinit bnx2x_init_one(struct pci_dev *pdev,
10191 const struct pci_device_id *ent)
10192{
10193 static int version_printed;
10194 struct net_device *dev = NULL;
10195 struct bnx2x *bp;
Eliezer Tamir25047952008-02-28 11:50:16 -080010196 int rc;
Eliezer Tamir25047952008-02-28 11:50:16 -080010197 DECLARE_MAC_BUF(mac);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010198
10199 if (version_printed++ == 0)
10200 printk(KERN_INFO "%s", version);
10201
10202 /* dev zeroed in init_etherdev */
10203 dev = alloc_etherdev(sizeof(*bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010204 if (!dev) {
10205 printk(KERN_ERR PFX "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010206 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010207 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010208
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010209 bp = netdev_priv(dev);
10210 bp->msglevel = debug;
10211
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010212 rc = bnx2x_init_dev(pdev, dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010213 if (rc < 0) {
10214 free_netdev(dev);
10215 return rc;
10216 }
10217
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010218 rc = register_netdev(dev);
10219 if (rc) {
Eliezer Tamirc14423f2008-02-28 11:49:42 -080010220 dev_err(&pdev->dev, "Cannot register net device\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010221 goto init_one_exit;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010222 }
10223
10224 pci_set_drvdata(pdev, dev);
10225
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010226 rc = bnx2x_init_bp(bp);
10227 if (rc) {
10228 unregister_netdev(dev);
10229 goto init_one_exit;
10230 }
10231
Eilon Greenstein12b56ea2008-11-03 16:46:40 -080010232 netif_carrier_off(dev);
10233
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010234 bp->common.name = board_info[ent->driver_data].name;
Eliezer Tamir25047952008-02-28 11:50:16 -080010235 printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx,"
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010236 " IRQ %d, ", dev->name, bp->common.name,
10237 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
Eliezer Tamir25047952008-02-28 11:50:16 -080010238 bnx2x_get_pcie_width(bp),
10239 (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz",
10240 dev->base_addr, bp->pdev->irq);
10241 printk(KERN_CONT "node addr %s\n", print_mac(mac, dev->dev_addr));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010242 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010243
10244init_one_exit:
10245 if (bp->regview)
10246 iounmap(bp->regview);
10247
10248 if (bp->doorbells)
10249 iounmap(bp->doorbells);
10250
10251 free_netdev(dev);
10252
10253 if (atomic_read(&pdev->enable_cnt) == 1)
10254 pci_release_regions(pdev);
10255
10256 pci_disable_device(pdev);
10257 pci_set_drvdata(pdev, NULL);
10258
10259 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010260}
10261
10262static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
10263{
10264 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010265 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010266
Eliezer Tamir228241e2008-02-28 11:56:57 -080010267 if (!dev) {
Eliezer Tamir228241e2008-02-28 11:56:57 -080010268 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10269 return;
10270 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010271 bp = netdev_priv(dev);
10272
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010273 unregister_netdev(dev);
10274
10275 if (bp->regview)
10276 iounmap(bp->regview);
10277
10278 if (bp->doorbells)
10279 iounmap(bp->doorbells);
10280
10281 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010282
10283 if (atomic_read(&pdev->enable_cnt) == 1)
10284 pci_release_regions(pdev);
10285
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010286 pci_disable_device(pdev);
10287 pci_set_drvdata(pdev, NULL);
10288}
10289
10290static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
10291{
10292 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010293 struct bnx2x *bp;
10294
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010295 if (!dev) {
10296 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10297 return -ENODEV;
10298 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010299 bp = netdev_priv(dev);
10300
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010301 rtnl_lock();
10302
10303 pci_save_state(pdev);
10304
10305 if (!netif_running(dev)) {
10306 rtnl_unlock();
10307 return 0;
10308 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010309
10310 netif_device_detach(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010311
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -070010312 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010313
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010314 bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
Eliezer Tamir228241e2008-02-28 11:56:57 -080010315
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010316 rtnl_unlock();
10317
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010318 return 0;
10319}
10320
10321static int bnx2x_resume(struct pci_dev *pdev)
10322{
10323 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010324 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010325 int rc;
10326
Eliezer Tamir228241e2008-02-28 11:56:57 -080010327 if (!dev) {
10328 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10329 return -ENODEV;
10330 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010331 bp = netdev_priv(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010332
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010333 rtnl_lock();
10334
Eliezer Tamir228241e2008-02-28 11:56:57 -080010335 pci_restore_state(pdev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010336
10337 if (!netif_running(dev)) {
10338 rtnl_unlock();
10339 return 0;
10340 }
10341
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010342 bnx2x_set_power_state(bp, PCI_D0);
10343 netif_device_attach(dev);
10344
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -070010345 rc = bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010346
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010347 rtnl_unlock();
10348
10349 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010350}
10351
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070010352static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
10353{
10354 int i;
10355
10356 bp->state = BNX2X_STATE_ERROR;
10357
10358 bp->rx_mode = BNX2X_RX_MODE_NONE;
10359
10360 bnx2x_netif_stop(bp, 0);
10361
10362 del_timer_sync(&bp->timer);
10363 bp->stats_state = STATS_STATE_DISABLED;
10364 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
10365
10366 /* Release IRQs */
10367 bnx2x_free_irq(bp);
10368
10369 if (CHIP_IS_E1(bp)) {
10370 struct mac_configuration_cmd *config =
10371 bnx2x_sp(bp, mcast_config);
10372
10373 for (i = 0; i < config->hdr.length_6b; i++)
10374 CAM_INVALIDATE(config->config_table[i]);
10375 }
10376
10377 /* Free SKBs, SGEs, TPA pool and driver internals */
10378 bnx2x_free_skbs(bp);
10379 for_each_queue(bp, i)
10380 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
10381 bnx2x_free_mem(bp);
10382
10383 bp->state = BNX2X_STATE_CLOSED;
10384
10385 netif_carrier_off(bp->dev);
10386
10387 return 0;
10388}
10389
10390static void bnx2x_eeh_recover(struct bnx2x *bp)
10391{
10392 u32 val;
10393
10394 mutex_init(&bp->port.phy_mutex);
10395
10396 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
10397 bp->link_params.shmem_base = bp->common.shmem_base;
10398 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
10399
10400 if (!bp->common.shmem_base ||
10401 (bp->common.shmem_base < 0xA0000) ||
10402 (bp->common.shmem_base >= 0xC0000)) {
10403 BNX2X_DEV_INFO("MCP not active\n");
10404 bp->flags |= NO_MCP_FLAG;
10405 return;
10406 }
10407
10408 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
10409 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
10410 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
10411 BNX2X_ERR("BAD MCP validity signature\n");
10412
10413 if (!BP_NOMCP(bp)) {
10414 bp->fw_seq = (SHMEM_RD(bp, func_mb[BP_FUNC(bp)].drv_mb_header)
10415 & DRV_MSG_SEQ_NUMBER_MASK);
10416 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
10417 }
10418}
10419
Wendy Xiong493adb12008-06-23 20:36:22 -070010420/**
10421 * bnx2x_io_error_detected - called when PCI error is detected
10422 * @pdev: Pointer to PCI device
10423 * @state: The current pci connection state
10424 *
10425 * This function is called after a PCI bus error affecting
10426 * this device has been detected.
10427 */
10428static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
10429 pci_channel_state_t state)
10430{
10431 struct net_device *dev = pci_get_drvdata(pdev);
10432 struct bnx2x *bp = netdev_priv(dev);
10433
10434 rtnl_lock();
10435
10436 netif_device_detach(dev);
10437
10438 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070010439 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -070010440
10441 pci_disable_device(pdev);
10442
10443 rtnl_unlock();
10444
10445 /* Request a slot reset */
10446 return PCI_ERS_RESULT_NEED_RESET;
10447}
10448
10449/**
10450 * bnx2x_io_slot_reset - called after the PCI bus has been reset
10451 * @pdev: Pointer to PCI device
10452 *
10453 * Restart the card from scratch, as if from a cold-boot.
10454 */
10455static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
10456{
10457 struct net_device *dev = pci_get_drvdata(pdev);
10458 struct bnx2x *bp = netdev_priv(dev);
10459
10460 rtnl_lock();
10461
10462 if (pci_enable_device(pdev)) {
10463 dev_err(&pdev->dev,
10464 "Cannot re-enable PCI device after reset\n");
10465 rtnl_unlock();
10466 return PCI_ERS_RESULT_DISCONNECT;
10467 }
10468
10469 pci_set_master(pdev);
10470 pci_restore_state(pdev);
10471
10472 if (netif_running(dev))
10473 bnx2x_set_power_state(bp, PCI_D0);
10474
10475 rtnl_unlock();
10476
10477 return PCI_ERS_RESULT_RECOVERED;
10478}
10479
10480/**
10481 * bnx2x_io_resume - called when traffic can start flowing again
10482 * @pdev: Pointer to PCI device
10483 *
10484 * This callback is called when the error recovery driver tells us that
10485 * its OK to resume normal operation.
10486 */
10487static void bnx2x_io_resume(struct pci_dev *pdev)
10488{
10489 struct net_device *dev = pci_get_drvdata(pdev);
10490 struct bnx2x *bp = netdev_priv(dev);
10491
10492 rtnl_lock();
10493
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070010494 bnx2x_eeh_recover(bp);
10495
Wendy Xiong493adb12008-06-23 20:36:22 -070010496 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070010497 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -070010498
10499 netif_device_attach(dev);
10500
10501 rtnl_unlock();
10502}
10503
10504static struct pci_error_handlers bnx2x_err_handler = {
10505 .error_detected = bnx2x_io_error_detected,
10506 .slot_reset = bnx2x_io_slot_reset,
10507 .resume = bnx2x_io_resume,
10508};
10509
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010510static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070010511 .name = DRV_MODULE_NAME,
10512 .id_table = bnx2x_pci_tbl,
10513 .probe = bnx2x_init_one,
10514 .remove = __devexit_p(bnx2x_remove_one),
10515 .suspend = bnx2x_suspend,
10516 .resume = bnx2x_resume,
10517 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010518};
10519
10520static int __init bnx2x_init(void)
10521{
10522 return pci_register_driver(&bnx2x_pci_driver);
10523}
10524
10525static void __exit bnx2x_cleanup(void)
10526{
10527 pci_unregister_driver(&bnx2x_pci_driver);
10528}
10529
10530module_init(bnx2x_init);
10531module_exit(bnx2x_cleanup);
10532