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Eilon Greenstein34f80b02008-06-23 20:33:01 -07001/* bnx2x_main.c: Broadcom Everest network driver.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002 *
Eliezer Tamirf1410642008-02-28 11:51:50 -08003 * Copyright (c) 2007-2008 Broadcom Corporation
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
Eilon Greenstein24e3fce2008-06-12 14:30:28 -07009 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011 * Based on code from Michael Chan's bnx2 driver
12 * UDP CSUM errata workaround by Arik Gendelman
13 * Slowpath rework by Vladislav Zolotarov
Eliezer Tamirc14423f2008-02-28 11:49:42 -080014 * Statistics and Link management by Yitchak Gertner
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020015 *
16 */
17
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020018#include <linux/module.h>
19#include <linux/moduleparam.h>
20#include <linux/kernel.h>
21#include <linux/device.h> /* for dev_info() */
22#include <linux/timer.h>
23#include <linux/errno.h>
24#include <linux/ioport.h>
25#include <linux/slab.h>
26#include <linux/vmalloc.h>
27#include <linux/interrupt.h>
28#include <linux/pci.h>
29#include <linux/init.h>
30#include <linux/netdevice.h>
31#include <linux/etherdevice.h>
32#include <linux/skbuff.h>
33#include <linux/dma-mapping.h>
34#include <linux/bitops.h>
35#include <linux/irq.h>
36#include <linux/delay.h>
37#include <asm/byteorder.h>
38#include <linux/time.h>
39#include <linux/ethtool.h>
40#include <linux/mii.h>
41#ifdef NETIF_F_HW_VLAN_TX
42 #include <linux/if_vlan.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020043#endif
44#include <net/ip.h>
45#include <net/tcp.h>
46#include <net/checksum.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070047#include <net/ip6_checksum.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020048#include <linux/workqueue.h>
49#include <linux/crc32.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070050#include <linux/crc32c.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020051#include <linux/prefetch.h>
52#include <linux/zlib.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020053#include <linux/io.h>
54
55#include "bnx2x_reg.h"
56#include "bnx2x_fw_defs.h"
57#include "bnx2x_hsi.h"
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070058#include "bnx2x_link.h"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020059#include "bnx2x.h"
60#include "bnx2x_init.h"
61
Eilon Greenstein1bb5bd22008-08-13 15:59:45 -070062#define DRV_MODULE_VERSION "1.45.17"
63#define DRV_MODULE_RELDATE "2008/08/13"
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
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800652static void bnx2x_int_disable_sync(struct bnx2x *bp)
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);
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800659 /* prevent the HW from sending interrupts */
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800660 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200661
662 /* make sure all ISRs are done */
663 if (msix) {
664 for_each_queue(bp, i)
665 synchronize_irq(bp->msix_table[i].vector);
666
667 /* one more for the Slow Path IRQ */
668 synchronize_irq(bp->msix_table[i].vector);
669 } else
670 synchronize_irq(bp->pdev->irq);
671
672 /* make sure sp_task is not running */
673 cancel_work_sync(&bp->sp_task);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200674}
675
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700676/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200677
678/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700679 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200680 */
681
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700682static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 sb_id,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200683 u8 storm, u16 index, u8 op, u8 update)
684{
Eilon Greenstein5c862842008-08-13 15:51:48 -0700685 u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
686 COMMAND_REG_INT_ACK);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200687 struct igu_ack_register igu_ack;
688
689 igu_ack.status_block_index = index;
690 igu_ack.sb_id_and_flags =
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700691 ((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200692 (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) |
693 (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) |
694 (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT));
695
Eilon Greenstein5c862842008-08-13 15:51:48 -0700696 DP(BNX2X_MSG_OFF, "write 0x%08x to HC addr 0x%x\n",
697 (*(u32 *)&igu_ack), hc_addr);
698 REG_WR(bp, hc_addr, (*(u32 *)&igu_ack));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200699}
700
701static inline u16 bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp)
702{
703 struct host_status_block *fpsb = fp->status_blk;
704 u16 rc = 0;
705
706 barrier(); /* status block is written to by the chip */
707 if (fp->fp_c_idx != fpsb->c_status_block.status_block_index) {
708 fp->fp_c_idx = fpsb->c_status_block.status_block_index;
709 rc |= 1;
710 }
711 if (fp->fp_u_idx != fpsb->u_status_block.status_block_index) {
712 fp->fp_u_idx = fpsb->u_status_block.status_block_index;
713 rc |= 2;
714 }
715 return rc;
716}
717
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200718static u16 bnx2x_ack_int(struct bnx2x *bp)
719{
Eilon Greenstein5c862842008-08-13 15:51:48 -0700720 u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
721 COMMAND_REG_SIMD_MASK);
722 u32 result = REG_RD(bp, hc_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200723
Eilon Greenstein5c862842008-08-13 15:51:48 -0700724 DP(BNX2X_MSG_OFF, "read 0x%08x from HC addr 0x%x\n",
725 result, hc_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200726
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200727 return result;
728}
729
730
731/*
732 * fast path service functions
733 */
734
735/* free skb in the packet ring at pos idx
736 * return idx of last bd freed
737 */
738static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp,
739 u16 idx)
740{
741 struct sw_tx_bd *tx_buf = &fp->tx_buf_ring[idx];
742 struct eth_tx_bd *tx_bd;
743 struct sk_buff *skb = tx_buf->skb;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700744 u16 bd_idx = TX_BD(tx_buf->first_bd), new_cons;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200745 int nbd;
746
747 DP(BNX2X_MSG_OFF, "pkt_idx %d buff @(%p)->skb %p\n",
748 idx, tx_buf, skb);
749
750 /* unmap first bd */
751 DP(BNX2X_MSG_OFF, "free bd_idx %d\n", bd_idx);
752 tx_bd = &fp->tx_desc_ring[bd_idx];
753 pci_unmap_single(bp->pdev, BD_UNMAP_ADDR(tx_bd),
754 BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
755
756 nbd = le16_to_cpu(tx_bd->nbd) - 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700757 new_cons = nbd + tx_buf->first_bd;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200758#ifdef BNX2X_STOP_ON_ERROR
759 if (nbd > (MAX_SKB_FRAGS + 2)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700760 BNX2X_ERR("BAD nbd!\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200761 bnx2x_panic();
762 }
763#endif
764
765 /* Skip a parse bd and the TSO split header bd
766 since they have no mapping */
767 if (nbd)
768 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
769
770 if (tx_bd->bd_flags.as_bitfield & (ETH_TX_BD_FLAGS_IP_CSUM |
771 ETH_TX_BD_FLAGS_TCP_CSUM |
772 ETH_TX_BD_FLAGS_SW_LSO)) {
773 if (--nbd)
774 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
775 tx_bd = &fp->tx_desc_ring[bd_idx];
776 /* is this a TSO split header bd? */
777 if (tx_bd->bd_flags.as_bitfield & ETH_TX_BD_FLAGS_SW_LSO) {
778 if (--nbd)
779 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
780 }
781 }
782
783 /* now free frags */
784 while (nbd > 0) {
785
786 DP(BNX2X_MSG_OFF, "free frag bd_idx %d\n", bd_idx);
787 tx_bd = &fp->tx_desc_ring[bd_idx];
788 pci_unmap_page(bp->pdev, BD_UNMAP_ADDR(tx_bd),
789 BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
790 if (--nbd)
791 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
792 }
793
794 /* release skb */
Ilpo Järvinen53e5e962008-07-25 21:40:45 -0700795 WARN_ON(!skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200796 dev_kfree_skb(skb);
797 tx_buf->first_bd = 0;
798 tx_buf->skb = NULL;
799
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700800 return new_cons;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200801}
802
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700803static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200804{
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700805 s16 used;
806 u16 prod;
807 u16 cons;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200808
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700809 barrier(); /* Tell compiler that prod and cons can change */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200810 prod = fp->tx_bd_prod;
811 cons = fp->tx_bd_cons;
812
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700813 /* NUM_TX_RINGS = number of "next-page" entries
814 It will be used as a threshold */
815 used = SUB_S16(prod, cons) + (s16)NUM_TX_RINGS;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200816
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700817#ifdef BNX2X_STOP_ON_ERROR
Ilpo Järvinen53e5e962008-07-25 21:40:45 -0700818 WARN_ON(used < 0);
819 WARN_ON(used > fp->bp->tx_ring_size);
820 WARN_ON((fp->bp->tx_ring_size - used) > MAX_TX_AVAIL);
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700821#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200822
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700823 return (s16)(fp->bp->tx_ring_size) - used;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200824}
825
826static void bnx2x_tx_int(struct bnx2x_fastpath *fp, int work)
827{
828 struct bnx2x *bp = fp->bp;
829 u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons;
830 int done = 0;
831
832#ifdef BNX2X_STOP_ON_ERROR
833 if (unlikely(bp->panic))
834 return;
835#endif
836
837 hw_cons = le16_to_cpu(*fp->tx_cons_sb);
838 sw_cons = fp->tx_pkt_cons;
839
840 while (sw_cons != hw_cons) {
841 u16 pkt_cons;
842
843 pkt_cons = TX_BD(sw_cons);
844
845 /* prefetch(bp->tx_buf_ring[pkt_cons].skb); */
846
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700847 DP(NETIF_MSG_TX_DONE, "hw_cons %u sw_cons %u pkt_cons %u\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200848 hw_cons, sw_cons, pkt_cons);
849
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700850/* if (NEXT_TX_IDX(sw_cons) != hw_cons) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200851 rmb();
852 prefetch(fp->tx_buf_ring[NEXT_TX_IDX(sw_cons)].skb);
853 }
854*/
855 bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons);
856 sw_cons++;
857 done++;
858
859 if (done == work)
860 break;
861 }
862
863 fp->tx_pkt_cons = sw_cons;
864 fp->tx_bd_cons = bd_cons;
865
866 /* Need to make the tx_cons update visible to start_xmit()
867 * before checking for netif_queue_stopped(). Without the
868 * memory barrier, there is a small possibility that start_xmit()
869 * will miss it and cause the queue to be stopped forever.
870 */
871 smp_mb();
872
873 /* TBD need a thresh? */
874 if (unlikely(netif_queue_stopped(bp->dev))) {
875
876 netif_tx_lock(bp->dev);
877
878 if (netif_queue_stopped(bp->dev) &&
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -0700879 (bp->state == BNX2X_STATE_OPEN) &&
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200880 (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3))
881 netif_wake_queue(bp->dev);
882
883 netif_tx_unlock(bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200884 }
885}
886
Eilon Greenstein3196a882008-08-13 15:58:49 -0700887
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200888static void bnx2x_sp_event(struct bnx2x_fastpath *fp,
889 union eth_rx_cqe *rr_cqe)
890{
891 struct bnx2x *bp = fp->bp;
892 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
893 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
894
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700895 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200896 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700897 FP_IDX(fp), cid, command, bp->state,
898 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200899
900 bp->spq_left++;
901
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700902 if (FP_IDX(fp)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200903 switch (command | fp->state) {
904 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP |
905 BNX2X_FP_STATE_OPENING):
906 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n",
907 cid);
908 fp->state = BNX2X_FP_STATE_OPEN;
909 break;
910
911 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
912 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n",
913 cid);
914 fp->state = BNX2X_FP_STATE_HALTED;
915 break;
916
917 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700918 BNX2X_ERR("unexpected MC reply (%d) "
919 "fp->state is %x\n", command, fp->state);
920 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200921 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700922 mb(); /* force bnx2x_wait_ramrod() to see the change */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200923 return;
924 }
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800925
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200926 switch (command | bp->state) {
927 case (RAMROD_CMD_ID_ETH_PORT_SETUP | BNX2X_STATE_OPENING_WAIT4_PORT):
928 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
929 bp->state = BNX2X_STATE_OPEN;
930 break;
931
932 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_STATE_CLOSING_WAIT4_HALT):
933 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
934 bp->state = BNX2X_STATE_CLOSING_WAIT4_DELETE;
935 fp->state = BNX2X_FP_STATE_HALTED;
936 break;
937
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200938 case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_CLOSING_WAIT4_HALT):
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700939 DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", cid);
Eliezer Tamir49d66772008-02-28 11:53:13 -0800940 bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200941 break;
942
Eilon Greenstein3196a882008-08-13 15:58:49 -0700943
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200944 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN):
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700945 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DIAG):
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200946 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -0700947 bp->set_mac_pending = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200948 break;
949
Eliezer Tamir49d66772008-02-28 11:53:13 -0800950 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT):
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700951 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
Eliezer Tamir49d66772008-02-28 11:53:13 -0800952 break;
953
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200954 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700955 BNX2X_ERR("unexpected MC reply (%d) bp->state is %x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200956 command, bp->state);
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700957 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200958 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700959 mb(); /* force bnx2x_wait_ramrod() to see the change */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200960}
961
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700962static inline void bnx2x_free_rx_sge(struct bnx2x *bp,
963 struct bnx2x_fastpath *fp, u16 index)
964{
965 struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
966 struct page *page = sw_buf->page;
967 struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
968
969 /* Skip "next page" elements */
970 if (!page)
971 return;
972
973 pci_unmap_page(bp->pdev, pci_unmap_addr(sw_buf, mapping),
974 BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
975 __free_pages(page, PAGES_PER_SGE_SHIFT);
976
977 sw_buf->page = NULL;
978 sge->addr_hi = 0;
979 sge->addr_lo = 0;
980}
981
982static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
983 struct bnx2x_fastpath *fp, int last)
984{
985 int i;
986
987 for (i = 0; i < last; i++)
988 bnx2x_free_rx_sge(bp, fp, i);
989}
990
991static inline int bnx2x_alloc_rx_sge(struct bnx2x *bp,
992 struct bnx2x_fastpath *fp, u16 index)
993{
994 struct page *page = alloc_pages(GFP_ATOMIC, PAGES_PER_SGE_SHIFT);
995 struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
996 struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
997 dma_addr_t mapping;
998
999 if (unlikely(page == NULL))
1000 return -ENOMEM;
1001
1002 mapping = pci_map_page(bp->pdev, page, 0, BCM_PAGE_SIZE*PAGES_PER_SGE,
1003 PCI_DMA_FROMDEVICE);
FUJITA Tomonori8d8bb392008-07-25 19:44:49 -07001004 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001005 __free_pages(page, PAGES_PER_SGE_SHIFT);
1006 return -ENOMEM;
1007 }
1008
1009 sw_buf->page = page;
1010 pci_unmap_addr_set(sw_buf, mapping, mapping);
1011
1012 sge->addr_hi = cpu_to_le32(U64_HI(mapping));
1013 sge->addr_lo = cpu_to_le32(U64_LO(mapping));
1014
1015 return 0;
1016}
1017
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001018static inline int bnx2x_alloc_rx_skb(struct bnx2x *bp,
1019 struct bnx2x_fastpath *fp, u16 index)
1020{
1021 struct sk_buff *skb;
1022 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index];
1023 struct eth_rx_bd *rx_bd = &fp->rx_desc_ring[index];
1024 dma_addr_t mapping;
1025
1026 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1027 if (unlikely(skb == NULL))
1028 return -ENOMEM;
1029
1030 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
1031 PCI_DMA_FROMDEVICE);
FUJITA Tomonori8d8bb392008-07-25 19:44:49 -07001032 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001033 dev_kfree_skb(skb);
1034 return -ENOMEM;
1035 }
1036
1037 rx_buf->skb = skb;
1038 pci_unmap_addr_set(rx_buf, mapping, mapping);
1039
1040 rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1041 rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1042
1043 return 0;
1044}
1045
1046/* note that we are not allocating a new skb,
1047 * we are just moving one from cons to prod
1048 * we are not creating a new mapping,
1049 * so there is no need to check for dma_mapping_error().
1050 */
1051static void bnx2x_reuse_rx_skb(struct bnx2x_fastpath *fp,
1052 struct sk_buff *skb, u16 cons, u16 prod)
1053{
1054 struct bnx2x *bp = fp->bp;
1055 struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1056 struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1057 struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons];
1058 struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1059
1060 pci_dma_sync_single_for_device(bp->pdev,
1061 pci_unmap_addr(cons_rx_buf, mapping),
1062 bp->rx_offset + RX_COPY_THRESH,
1063 PCI_DMA_FROMDEVICE);
1064
1065 prod_rx_buf->skb = cons_rx_buf->skb;
1066 pci_unmap_addr_set(prod_rx_buf, mapping,
1067 pci_unmap_addr(cons_rx_buf, mapping));
1068 *prod_bd = *cons_bd;
1069}
1070
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001071static inline void bnx2x_update_last_max_sge(struct bnx2x_fastpath *fp,
1072 u16 idx)
1073{
1074 u16 last_max = fp->last_max_sge;
1075
1076 if (SUB_S16(idx, last_max) > 0)
1077 fp->last_max_sge = idx;
1078}
1079
1080static void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp)
1081{
1082 int i, j;
1083
1084 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
1085 int idx = RX_SGE_CNT * i - 1;
1086
1087 for (j = 0; j < 2; j++) {
1088 SGE_MASK_CLEAR_BIT(fp, idx);
1089 idx--;
1090 }
1091 }
1092}
1093
1094static void bnx2x_update_sge_prod(struct bnx2x_fastpath *fp,
1095 struct eth_fast_path_rx_cqe *fp_cqe)
1096{
1097 struct bnx2x *bp = fp->bp;
1098 u16 sge_len = BCM_PAGE_ALIGN(le16_to_cpu(fp_cqe->pkt_len) -
1099 le16_to_cpu(fp_cqe->len_on_bd)) >>
1100 BCM_PAGE_SHIFT;
1101 u16 last_max, last_elem, first_elem;
1102 u16 delta = 0;
1103 u16 i;
1104
1105 if (!sge_len)
1106 return;
1107
1108 /* First mark all used pages */
1109 for (i = 0; i < sge_len; i++)
1110 SGE_MASK_CLEAR_BIT(fp, RX_SGE(le16_to_cpu(fp_cqe->sgl[i])));
1111
1112 DP(NETIF_MSG_RX_STATUS, "fp_cqe->sgl[%d] = %d\n",
1113 sge_len - 1, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1114
1115 /* Here we assume that the last SGE index is the biggest */
1116 prefetch((void *)(fp->sge_mask));
1117 bnx2x_update_last_max_sge(fp, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1118
1119 last_max = RX_SGE(fp->last_max_sge);
1120 last_elem = last_max >> RX_SGE_MASK_ELEM_SHIFT;
1121 first_elem = RX_SGE(fp->rx_sge_prod) >> RX_SGE_MASK_ELEM_SHIFT;
1122
1123 /* If ring is not full */
1124 if (last_elem + 1 != first_elem)
1125 last_elem++;
1126
1127 /* Now update the prod */
1128 for (i = first_elem; i != last_elem; i = NEXT_SGE_MASK_ELEM(i)) {
1129 if (likely(fp->sge_mask[i]))
1130 break;
1131
1132 fp->sge_mask[i] = RX_SGE_MASK_ELEM_ONE_MASK;
1133 delta += RX_SGE_MASK_ELEM_SZ;
1134 }
1135
1136 if (delta > 0) {
1137 fp->rx_sge_prod += delta;
1138 /* clear page-end entries */
1139 bnx2x_clear_sge_mask_next_elems(fp);
1140 }
1141
1142 DP(NETIF_MSG_RX_STATUS,
1143 "fp->last_max_sge = %d fp->rx_sge_prod = %d\n",
1144 fp->last_max_sge, fp->rx_sge_prod);
1145}
1146
1147static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp)
1148{
1149 /* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */
1150 memset(fp->sge_mask, 0xff,
1151 (NUM_RX_SGE >> RX_SGE_MASK_ELEM_SHIFT)*sizeof(u64));
1152
Eilon Greenstein33471622008-08-13 15:59:08 -07001153 /* Clear the two last indices in the page to 1:
1154 these are the indices that correspond to the "next" element,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001155 hence will never be indicated and should be removed from
1156 the calculations. */
1157 bnx2x_clear_sge_mask_next_elems(fp);
1158}
1159
1160static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue,
1161 struct sk_buff *skb, u16 cons, u16 prod)
1162{
1163 struct bnx2x *bp = fp->bp;
1164 struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1165 struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1166 struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1167 dma_addr_t mapping;
1168
1169 /* move empty skb from pool to prod and map it */
1170 prod_rx_buf->skb = fp->tpa_pool[queue].skb;
1171 mapping = pci_map_single(bp->pdev, fp->tpa_pool[queue].skb->data,
1172 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
1173 pci_unmap_addr_set(prod_rx_buf, mapping, mapping);
1174
1175 /* move partial skb from cons to pool (don't unmap yet) */
1176 fp->tpa_pool[queue] = *cons_rx_buf;
1177
1178 /* mark bin state as start - print error if current state != stop */
1179 if (fp->tpa_state[queue] != BNX2X_TPA_STOP)
1180 BNX2X_ERR("start of bin not in stop [%d]\n", queue);
1181
1182 fp->tpa_state[queue] = BNX2X_TPA_START;
1183
1184 /* point prod_bd to new skb */
1185 prod_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1186 prod_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1187
1188#ifdef BNX2X_STOP_ON_ERROR
1189 fp->tpa_queue_used |= (1 << queue);
1190#ifdef __powerpc64__
1191 DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%lx\n",
1192#else
1193 DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%llx\n",
1194#endif
1195 fp->tpa_queue_used);
1196#endif
1197}
1198
1199static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1200 struct sk_buff *skb,
1201 struct eth_fast_path_rx_cqe *fp_cqe,
1202 u16 cqe_idx)
1203{
1204 struct sw_rx_page *rx_pg, old_rx_pg;
1205 struct page *sge;
1206 u16 len_on_bd = le16_to_cpu(fp_cqe->len_on_bd);
1207 u32 i, frag_len, frag_size, pages;
1208 int err;
1209 int j;
1210
1211 frag_size = le16_to_cpu(fp_cqe->pkt_len) - len_on_bd;
1212 pages = BCM_PAGE_ALIGN(frag_size) >> BCM_PAGE_SHIFT;
1213
1214 /* This is needed in order to enable forwarding support */
1215 if (frag_size)
1216 skb_shinfo(skb)->gso_size = min((u32)BCM_PAGE_SIZE,
1217 max(frag_size, (u32)len_on_bd));
1218
1219#ifdef BNX2X_STOP_ON_ERROR
1220 if (pages > 8*PAGES_PER_SGE) {
1221 BNX2X_ERR("SGL length is too long: %d. CQE index is %d\n",
1222 pages, cqe_idx);
1223 BNX2X_ERR("fp_cqe->pkt_len = %d fp_cqe->len_on_bd = %d\n",
1224 fp_cqe->pkt_len, len_on_bd);
1225 bnx2x_panic();
1226 return -EINVAL;
1227 }
1228#endif
1229
1230 /* Run through the SGL and compose the fragmented skb */
1231 for (i = 0, j = 0; i < pages; i += PAGES_PER_SGE, j++) {
1232 u16 sge_idx = RX_SGE(le16_to_cpu(fp_cqe->sgl[j]));
1233
1234 /* FW gives the indices of the SGE as if the ring is an array
1235 (meaning that "next" element will consume 2 indices) */
1236 frag_len = min(frag_size, (u32)(BCM_PAGE_SIZE*PAGES_PER_SGE));
1237 rx_pg = &fp->rx_page_ring[sge_idx];
1238 sge = rx_pg->page;
1239 old_rx_pg = *rx_pg;
1240
1241 /* If we fail to allocate a substitute page, we simply stop
1242 where we are and drop the whole packet */
1243 err = bnx2x_alloc_rx_sge(bp, fp, sge_idx);
1244 if (unlikely(err)) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001245 bp->eth_stats.rx_skb_alloc_failed++;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001246 return err;
1247 }
1248
1249 /* Unmap the page as we r going to pass it to the stack */
1250 pci_unmap_page(bp->pdev, pci_unmap_addr(&old_rx_pg, mapping),
1251 BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
1252
1253 /* Add one frag and update the appropriate fields in the skb */
1254 skb_fill_page_desc(skb, j, old_rx_pg.page, 0, frag_len);
1255
1256 skb->data_len += frag_len;
1257 skb->truesize += frag_len;
1258 skb->len += frag_len;
1259
1260 frag_size -= frag_len;
1261 }
1262
1263 return 0;
1264}
1265
1266static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1267 u16 queue, int pad, int len, union eth_rx_cqe *cqe,
1268 u16 cqe_idx)
1269{
1270 struct sw_rx_bd *rx_buf = &fp->tpa_pool[queue];
1271 struct sk_buff *skb = rx_buf->skb;
1272 /* alloc new skb */
1273 struct sk_buff *new_skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1274
1275 /* Unmap skb in the pool anyway, as we are going to change
1276 pool entry status to BNX2X_TPA_STOP even if new skb allocation
1277 fails. */
1278 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
1279 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
1280
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001281 if (likely(new_skb)) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001282 /* fix ip xsum and give it to the stack */
1283 /* (no need to map the new skb) */
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001284
1285 prefetch(skb);
1286 prefetch(((char *)(skb)) + 128);
1287
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001288#ifdef BNX2X_STOP_ON_ERROR
1289 if (pad + len > bp->rx_buf_size) {
1290 BNX2X_ERR("skb_put is about to fail... "
1291 "pad %d len %d rx_buf_size %d\n",
1292 pad, len, bp->rx_buf_size);
1293 bnx2x_panic();
1294 return;
1295 }
1296#endif
1297
1298 skb_reserve(skb, pad);
1299 skb_put(skb, len);
1300
1301 skb->protocol = eth_type_trans(skb, bp->dev);
1302 skb->ip_summed = CHECKSUM_UNNECESSARY;
1303
1304 {
1305 struct iphdr *iph;
1306
1307 iph = (struct iphdr *)skb->data;
1308 iph->check = 0;
1309 iph->check = ip_fast_csum((u8 *)iph, iph->ihl);
1310 }
1311
1312 if (!bnx2x_fill_frag_skb(bp, fp, skb,
1313 &cqe->fast_path_cqe, cqe_idx)) {
1314#ifdef BCM_VLAN
1315 if ((bp->vlgrp != NULL) &&
1316 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1317 PARSING_FLAGS_VLAN))
1318 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1319 le16_to_cpu(cqe->fast_path_cqe.
1320 vlan_tag));
1321 else
1322#endif
1323 netif_receive_skb(skb);
1324 } else {
1325 DP(NETIF_MSG_RX_STATUS, "Failed to allocate new pages"
1326 " - dropping packet!\n");
1327 dev_kfree_skb(skb);
1328 }
1329
1330 bp->dev->last_rx = jiffies;
1331
1332 /* put new skb in bin */
1333 fp->tpa_pool[queue].skb = new_skb;
1334
1335 } else {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001336 /* else drop the packet and keep the buffer in the bin */
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001337 DP(NETIF_MSG_RX_STATUS,
1338 "Failed to allocate new skb - dropping packet!\n");
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001339 bp->eth_stats.rx_skb_alloc_failed++;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001340 }
1341
1342 fp->tpa_state[queue] = BNX2X_TPA_STOP;
1343}
1344
1345static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
1346 struct bnx2x_fastpath *fp,
1347 u16 bd_prod, u16 rx_comp_prod,
1348 u16 rx_sge_prod)
1349{
1350 struct tstorm_eth_rx_producers rx_prods = {0};
1351 int i;
1352
1353 /* Update producers */
1354 rx_prods.bd_prod = bd_prod;
1355 rx_prods.cqe_prod = rx_comp_prod;
1356 rx_prods.sge_prod = rx_sge_prod;
1357
1358 for (i = 0; i < sizeof(struct tstorm_eth_rx_producers)/4; i++)
1359 REG_WR(bp, BAR_TSTRORM_INTMEM +
1360 TSTORM_RX_PRODS_OFFSET(BP_PORT(bp), FP_CL_ID(fp)) + i*4,
1361 ((u32 *)&rx_prods)[i]);
1362
1363 DP(NETIF_MSG_RX_STATUS,
1364 "Wrote: bd_prod %u cqe_prod %u sge_prod %u\n",
1365 bd_prod, rx_comp_prod, rx_sge_prod);
1366}
1367
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001368static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
1369{
1370 struct bnx2x *bp = fp->bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001371 u16 bd_cons, bd_prod, bd_prod_fw, comp_ring_cons;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001372 u16 hw_comp_cons, sw_comp_cons, sw_comp_prod;
1373 int rx_pkt = 0;
1374
1375#ifdef BNX2X_STOP_ON_ERROR
1376 if (unlikely(bp->panic))
1377 return 0;
1378#endif
1379
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001380 /* CQ "next element" is of the size of the regular element,
1381 that's why it's ok here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001382 hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb);
1383 if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
1384 hw_comp_cons++;
1385
1386 bd_cons = fp->rx_bd_cons;
1387 bd_prod = fp->rx_bd_prod;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001388 bd_prod_fw = bd_prod;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001389 sw_comp_cons = fp->rx_comp_cons;
1390 sw_comp_prod = fp->rx_comp_prod;
1391
1392 /* Memory barrier necessary as speculative reads of the rx
1393 * buffer can be ahead of the index in the status block
1394 */
1395 rmb();
1396
1397 DP(NETIF_MSG_RX_STATUS,
1398 "queue[%d]: hw_comp_cons %u sw_comp_cons %u\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001399 FP_IDX(fp), hw_comp_cons, sw_comp_cons);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001400
1401 while (sw_comp_cons != hw_comp_cons) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001402 struct sw_rx_bd *rx_buf = NULL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001403 struct sk_buff *skb;
1404 union eth_rx_cqe *cqe;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001405 u8 cqe_fp_flags;
1406 u16 len, pad;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001407
1408 comp_ring_cons = RCQ_BD(sw_comp_cons);
1409 bd_prod = RX_BD(bd_prod);
1410 bd_cons = RX_BD(bd_cons);
1411
1412 cqe = &fp->rx_comp_ring[comp_ring_cons];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001413 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001414
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001415 DP(NETIF_MSG_RX_STATUS, "CQE type %x err %x status %x"
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001416 " queue %x vlan %x len %u\n", CQE_TYPE(cqe_fp_flags),
1417 cqe_fp_flags, cqe->fast_path_cqe.status_flags,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001418 cqe->fast_path_cqe.rss_hash_result,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001419 le16_to_cpu(cqe->fast_path_cqe.vlan_tag),
1420 le16_to_cpu(cqe->fast_path_cqe.pkt_len));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001421
1422 /* is this a slowpath msg? */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001423 if (unlikely(CQE_TYPE(cqe_fp_flags))) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001424 bnx2x_sp_event(fp, cqe);
1425 goto next_cqe;
1426
1427 /* this is an rx packet */
1428 } else {
1429 rx_buf = &fp->rx_buf_ring[bd_cons];
1430 skb = rx_buf->skb;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001431 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
1432 pad = cqe->fast_path_cqe.placement_offset;
1433
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001434 /* If CQE is marked both TPA_START and TPA_END
1435 it is a non-TPA CQE */
1436 if ((!fp->disable_tpa) &&
1437 (TPA_TYPE(cqe_fp_flags) !=
1438 (TPA_TYPE_START | TPA_TYPE_END))) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07001439 u16 queue = cqe->fast_path_cqe.queue_index;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001440
1441 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_START) {
1442 DP(NETIF_MSG_RX_STATUS,
1443 "calling tpa_start on queue %d\n",
1444 queue);
1445
1446 bnx2x_tpa_start(fp, queue, skb,
1447 bd_cons, bd_prod);
1448 goto next_rx;
1449 }
1450
1451 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_END) {
1452 DP(NETIF_MSG_RX_STATUS,
1453 "calling tpa_stop on queue %d\n",
1454 queue);
1455
1456 if (!BNX2X_RX_SUM_FIX(cqe))
1457 BNX2X_ERR("STOP on none TCP "
1458 "data\n");
1459
1460 /* This is a size of the linear data
1461 on this skb */
1462 len = le16_to_cpu(cqe->fast_path_cqe.
1463 len_on_bd);
1464 bnx2x_tpa_stop(bp, fp, queue, pad,
1465 len, cqe, comp_ring_cons);
1466#ifdef BNX2X_STOP_ON_ERROR
1467 if (bp->panic)
1468 return -EINVAL;
1469#endif
1470
1471 bnx2x_update_sge_prod(fp,
1472 &cqe->fast_path_cqe);
1473 goto next_cqe;
1474 }
1475 }
1476
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001477 pci_dma_sync_single_for_device(bp->pdev,
1478 pci_unmap_addr(rx_buf, mapping),
1479 pad + RX_COPY_THRESH,
1480 PCI_DMA_FROMDEVICE);
1481 prefetch(skb);
1482 prefetch(((char *)(skb)) + 128);
1483
1484 /* is this an error packet? */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001485 if (unlikely(cqe_fp_flags & ETH_RX_ERROR_FALGS)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001486 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001487 "ERROR flags %x rx packet %u\n",
1488 cqe_fp_flags, sw_comp_cons);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001489 bp->eth_stats.rx_err_discard_pkt++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001490 goto reuse_rx;
1491 }
1492
1493 /* Since we don't have a jumbo ring
1494 * copy small packets if mtu > 1500
1495 */
1496 if ((bp->dev->mtu > ETH_MAX_PACKET_SIZE) &&
1497 (len <= RX_COPY_THRESH)) {
1498 struct sk_buff *new_skb;
1499
1500 new_skb = netdev_alloc_skb(bp->dev,
1501 len + pad);
1502 if (new_skb == NULL) {
1503 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001504 "ERROR packet dropped "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001505 "because of alloc failure\n");
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001506 bp->eth_stats.rx_skb_alloc_failed++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001507 goto reuse_rx;
1508 }
1509
1510 /* aligned copy */
1511 skb_copy_from_linear_data_offset(skb, pad,
1512 new_skb->data + pad, len);
1513 skb_reserve(new_skb, pad);
1514 skb_put(new_skb, len);
1515
1516 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1517
1518 skb = new_skb;
1519
1520 } else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) {
1521 pci_unmap_single(bp->pdev,
1522 pci_unmap_addr(rx_buf, mapping),
1523 bp->rx_buf_use_size,
1524 PCI_DMA_FROMDEVICE);
1525 skb_reserve(skb, pad);
1526 skb_put(skb, len);
1527
1528 } else {
1529 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001530 "ERROR packet dropped because "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001531 "of alloc failure\n");
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001532 bp->eth_stats.rx_skb_alloc_failed++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001533reuse_rx:
1534 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1535 goto next_rx;
1536 }
1537
1538 skb->protocol = eth_type_trans(skb, bp->dev);
1539
1540 skb->ip_summed = CHECKSUM_NONE;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001541 if (bp->rx_csum) {
Eilon Greenstein1adcd8b2008-08-13 15:48:29 -07001542 if (likely(BNX2X_RX_CSUM_OK(cqe)))
1543 skb->ip_summed = CHECKSUM_UNNECESSARY;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001544 else
1545 bp->eth_stats.hw_csum_err++;
1546 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001547 }
1548
1549#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001550 if ((bp->vlgrp != NULL) &&
1551 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1552 PARSING_FLAGS_VLAN))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001553 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1554 le16_to_cpu(cqe->fast_path_cqe.vlan_tag));
1555 else
1556#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001557 netif_receive_skb(skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001558
1559 bp->dev->last_rx = jiffies;
1560
1561next_rx:
1562 rx_buf->skb = NULL;
1563
1564 bd_cons = NEXT_RX_IDX(bd_cons);
1565 bd_prod = NEXT_RX_IDX(bd_prod);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001566 bd_prod_fw = NEXT_RX_IDX(bd_prod_fw);
1567 rx_pkt++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001568next_cqe:
1569 sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod);
1570 sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001571
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001572 if (rx_pkt == budget)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001573 break;
1574 } /* while */
1575
1576 fp->rx_bd_cons = bd_cons;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001577 fp->rx_bd_prod = bd_prod_fw;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001578 fp->rx_comp_cons = sw_comp_cons;
1579 fp->rx_comp_prod = sw_comp_prod;
1580
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001581 /* Update producers */
1582 bnx2x_update_rx_prod(bp, fp, bd_prod_fw, sw_comp_prod,
1583 fp->rx_sge_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001584 mmiowb(); /* keep prod updates ordered */
1585
1586 fp->rx_pkt += rx_pkt;
1587 fp->rx_calls++;
1588
1589 return rx_pkt;
1590}
1591
1592static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie)
1593{
1594 struct bnx2x_fastpath *fp = fp_cookie;
1595 struct bnx2x *bp = fp->bp;
1596 struct net_device *dev = bp->dev;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001597 int index = FP_IDX(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001598
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07001599 /* Return here if interrupt is disabled */
1600 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1601 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1602 return IRQ_HANDLED;
1603 }
1604
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001605 DP(BNX2X_MSG_FP, "got an MSI-X interrupt on IDX:SB [%d:%d]\n",
1606 index, FP_SB_ID(fp));
1607 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID, 0, IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001608
1609#ifdef BNX2X_STOP_ON_ERROR
1610 if (unlikely(bp->panic))
1611 return IRQ_HANDLED;
1612#endif
1613
1614 prefetch(fp->rx_cons_sb);
1615 prefetch(fp->tx_cons_sb);
1616 prefetch(&fp->status_blk->c_status_block.status_block_index);
1617 prefetch(&fp->status_blk->u_status_block.status_block_index);
1618
1619 netif_rx_schedule(dev, &bnx2x_fp(bp, index, napi));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001620
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001621 return IRQ_HANDLED;
1622}
1623
1624static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
1625{
1626 struct net_device *dev = dev_instance;
1627 struct bnx2x *bp = netdev_priv(dev);
1628 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001629 u16 mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001630
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001631 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001632 if (unlikely(status == 0)) {
1633 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1634 return IRQ_NONE;
1635 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001636 DP(NETIF_MSG_INTR, "got an interrupt status %u\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001637
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001638 /* Return here if interrupt is disabled */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001639 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1640 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1641 return IRQ_HANDLED;
1642 }
1643
Eilon Greenstein3196a882008-08-13 15:58:49 -07001644#ifdef BNX2X_STOP_ON_ERROR
1645 if (unlikely(bp->panic))
1646 return IRQ_HANDLED;
1647#endif
1648
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001649 mask = 0x2 << bp->fp[0].sb_id;
1650 if (status & mask) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001651 struct bnx2x_fastpath *fp = &bp->fp[0];
1652
1653 prefetch(fp->rx_cons_sb);
1654 prefetch(fp->tx_cons_sb);
1655 prefetch(&fp->status_blk->c_status_block.status_block_index);
1656 prefetch(&fp->status_blk->u_status_block.status_block_index);
1657
1658 netif_rx_schedule(dev, &bnx2x_fp(bp, 0, napi));
1659
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001660 status &= ~mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001661 }
1662
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001663
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001664 if (unlikely(status & 0x1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001665 schedule_work(&bp->sp_task);
1666
1667 status &= ~0x1;
1668 if (!status)
1669 return IRQ_HANDLED;
1670 }
1671
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001672 if (status)
1673 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status %u)\n",
1674 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001675
1676 return IRQ_HANDLED;
1677}
1678
1679/* end of fast path */
1680
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07001681static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001682
1683/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001684
1685/*
1686 * General service functions
1687 */
1688
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001689static int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001690{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001691 u32 lock_status;
1692 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001693 int func = BP_FUNC(bp);
1694 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001695 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001696
1697 /* Validating that the resource is within range */
1698 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1699 DP(NETIF_MSG_HW,
1700 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1701 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1702 return -EINVAL;
1703 }
1704
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001705 if (func <= 5) {
1706 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1707 } else {
1708 hw_lock_control_reg =
1709 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1710 }
1711
Eliezer Tamirf1410642008-02-28 11:51:50 -08001712 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001713 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001714 if (lock_status & resource_bit) {
1715 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1716 lock_status, resource_bit);
1717 return -EEXIST;
1718 }
1719
1720 /* Try for 1 second every 5ms */
1721 for (cnt = 0; cnt < 200; cnt++) {
1722 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001723 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1724 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001725 if (lock_status & resource_bit)
1726 return 0;
1727
1728 msleep(5);
1729 }
1730 DP(NETIF_MSG_HW, "Timeout\n");
1731 return -EAGAIN;
1732}
1733
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001734static int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001735{
1736 u32 lock_status;
1737 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001738 int func = BP_FUNC(bp);
1739 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001740
1741 /* Validating that the resource is within range */
1742 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1743 DP(NETIF_MSG_HW,
1744 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1745 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1746 return -EINVAL;
1747 }
1748
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001749 if (func <= 5) {
1750 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1751 } else {
1752 hw_lock_control_reg =
1753 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1754 }
1755
Eliezer Tamirf1410642008-02-28 11:51:50 -08001756 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001757 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001758 if (!(lock_status & resource_bit)) {
1759 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1760 lock_status, resource_bit);
1761 return -EFAULT;
1762 }
1763
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001764 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001765 return 0;
1766}
1767
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001768/* HW Lock for shared dual port PHYs */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001769static void bnx2x_acquire_phy_lock(struct bnx2x *bp)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001770{
1771 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1772
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001773 mutex_lock(&bp->port.phy_mutex);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001774
1775 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1776 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001777 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001778}
1779
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001780static void bnx2x_release_phy_lock(struct bnx2x *bp)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001781{
1782 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1783
1784 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1785 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001786 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001787
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001788 mutex_unlock(&bp->port.phy_mutex);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001789}
1790
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001791int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001792{
1793 /* The GPIO should be swapped if swap register is set and active */
1794 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001795 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001796 int gpio_shift = gpio_num +
1797 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1798 u32 gpio_mask = (1 << gpio_shift);
1799 u32 gpio_reg;
1800
1801 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1802 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1803 return -EINVAL;
1804 }
1805
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001806 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001807 /* read GPIO and mask except the float bits */
1808 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1809
1810 switch (mode) {
1811 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1812 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1813 gpio_num, gpio_shift);
1814 /* clear FLOAT and set CLR */
1815 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1816 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1817 break;
1818
1819 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1820 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1821 gpio_num, gpio_shift);
1822 /* clear FLOAT and set SET */
1823 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1824 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1825 break;
1826
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001827 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001828 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1829 gpio_num, gpio_shift);
1830 /* set FLOAT */
1831 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1832 break;
1833
1834 default:
1835 break;
1836 }
1837
1838 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001839 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001840
1841 return 0;
1842}
1843
1844static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1845{
1846 u32 spio_mask = (1 << spio_num);
1847 u32 spio_reg;
1848
1849 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1850 (spio_num > MISC_REGISTERS_SPIO_7)) {
1851 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1852 return -EINVAL;
1853 }
1854
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001855 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001856 /* read SPIO and mask except the float bits */
1857 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1858
1859 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07001860 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001861 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1862 /* clear FLOAT and set CLR */
1863 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1864 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1865 break;
1866
Eilon Greenstein6378c022008-08-13 15:59:25 -07001867 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001868 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1869 /* clear FLOAT and set SET */
1870 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1871 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1872 break;
1873
1874 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1875 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1876 /* set FLOAT */
1877 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1878 break;
1879
1880 default:
1881 break;
1882 }
1883
1884 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001885 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001886
1887 return 0;
1888}
1889
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001890static void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001891{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001892 switch (bp->link_vars.ieee_fc) {
1893 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001894 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001895 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001896 break;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001897 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001898 bp->port.advertising |= (ADVERTISED_Asym_Pause |
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001899 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001900 break;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001901 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001902 bp->port.advertising |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001903 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001904 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001905 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001906 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001907 break;
1908 }
1909}
1910
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001911static void bnx2x_link_report(struct bnx2x *bp)
1912{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001913 if (bp->link_vars.link_up) {
1914 if (bp->state == BNX2X_STATE_OPEN)
1915 netif_carrier_on(bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001916 printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
1917
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001918 printk("%d Mbps ", bp->link_vars.line_speed);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001919
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001920 if (bp->link_vars.duplex == DUPLEX_FULL)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001921 printk("full duplex");
1922 else
1923 printk("half duplex");
1924
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001925 if (bp->link_vars.flow_ctrl != FLOW_CTRL_NONE) {
1926 if (bp->link_vars.flow_ctrl & FLOW_CTRL_RX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001927 printk(", receive ");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001928 if (bp->link_vars.flow_ctrl & FLOW_CTRL_TX)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001929 printk("& transmit ");
1930 } else {
1931 printk(", transmit ");
1932 }
1933 printk("flow control ON");
1934 }
1935 printk("\n");
1936
1937 } else { /* link_down */
1938 netif_carrier_off(bp->dev);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001939 printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001940 }
1941}
1942
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001943static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001944{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001945 if (!BP_NOMCP(bp)) {
1946 u8 rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001947
Eilon Greenstein19680c42008-08-13 15:47:33 -07001948 /* Initialize link parameters structure variables */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001949 /* It is recommended to turn off RX FC for jumbo frames
1950 for better performance */
1951 if (IS_E1HMF(bp))
1952 bp->link_params.req_fc_auto_adv = FLOW_CTRL_BOTH;
1953 else if (bp->dev->mtu > 5000)
1954 bp->link_params.req_fc_auto_adv = FLOW_CTRL_TX;
1955 else
1956 bp->link_params.req_fc_auto_adv = FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001957
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001958 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001959 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001960 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001961
Eilon Greenstein19680c42008-08-13 15:47:33 -07001962 if (bp->link_vars.link_up)
1963 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001964
Eilon Greenstein19680c42008-08-13 15:47:33 -07001965 bnx2x_calc_fc_adv(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001966
Eilon Greenstein19680c42008-08-13 15:47:33 -07001967 return rc;
1968 }
1969 BNX2X_ERR("Bootcode is missing -not initializing link\n");
1970 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001971}
1972
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001973static void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001974{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001975 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001976 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001977 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001978 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001979
Eilon Greenstein19680c42008-08-13 15:47:33 -07001980 bnx2x_calc_fc_adv(bp);
1981 } else
1982 BNX2X_ERR("Bootcode is missing -not setting link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001983}
1984
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001985static void bnx2x__link_reset(struct bnx2x *bp)
1986{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001987 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001988 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001989 bnx2x_link_reset(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001990 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001991 } else
1992 BNX2X_ERR("Bootcode is missing -not resetting link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001993}
1994
1995static u8 bnx2x_link_test(struct bnx2x *bp)
1996{
1997 u8 rc;
1998
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001999 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002000 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002001 bnx2x_release_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002002
2003 return rc;
2004}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002005
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002006/* Calculates the sum of vn_min_rates.
2007 It's needed for further normalizing of the min_rates.
2008
2009 Returns:
2010 sum of vn_min_rates
2011 or
2012 0 - if all the min_rates are 0.
Eilon Greenstein33471622008-08-13 15:59:08 -07002013 In the later case fairness algorithm should be deactivated.
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002014 If not all min_rates are zero then those that are zeroes will
2015 be set to 1.
2016 */
2017static u32 bnx2x_calc_vn_wsum(struct bnx2x *bp)
2018{
2019 int i, port = BP_PORT(bp);
2020 u32 wsum = 0;
2021 int all_zero = 1;
2022
2023 for (i = 0; i < E1HVN_MAX; i++) {
2024 u32 vn_cfg =
2025 SHMEM_RD(bp, mf_cfg.func_mf_config[2*i + port].config);
2026 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2027 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2028 if (!(vn_cfg & FUNC_MF_CFG_FUNC_HIDE)) {
2029 /* If min rate is zero - set it to 1 */
2030 if (!vn_min_rate)
2031 vn_min_rate = DEF_MIN_RATE;
2032 else
2033 all_zero = 0;
2034
2035 wsum += vn_min_rate;
2036 }
2037 }
2038
2039 /* ... only if all min rates are zeros - disable FAIRNESS */
2040 if (all_zero)
2041 return 0;
2042
2043 return wsum;
2044}
2045
2046static void bnx2x_init_port_minmax(struct bnx2x *bp,
2047 int en_fness,
2048 u16 port_rate,
2049 struct cmng_struct_per_port *m_cmng_port)
2050{
2051 u32 r_param = port_rate / 8;
2052 int port = BP_PORT(bp);
2053 int i;
2054
2055 memset(m_cmng_port, 0, sizeof(struct cmng_struct_per_port));
2056
2057 /* Enable minmax only if we are in e1hmf mode */
2058 if (IS_E1HMF(bp)) {
2059 u32 fair_periodic_timeout_usec;
2060 u32 t_fair;
2061
2062 /* Enable rate shaping and fairness */
2063 m_cmng_port->flags.cmng_vn_enable = 1;
2064 m_cmng_port->flags.fairness_enable = en_fness ? 1 : 0;
2065 m_cmng_port->flags.rate_shaping_enable = 1;
2066
2067 if (!en_fness)
2068 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2069 " fairness will be disabled\n");
2070
2071 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
2072 m_cmng_port->rs_vars.rs_periodic_timeout =
2073 RS_PERIODIC_TIMEOUT_USEC / 4;
2074
2075 /* this is the threshold below which no timer arming will occur
2076 1.25 coefficient is for the threshold to be a little bigger
2077 than the real time, to compensate for timer in-accuracy */
2078 m_cmng_port->rs_vars.rs_threshold =
2079 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
2080
2081 /* resolution of fairness timer */
2082 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
2083 /* for 10G it is 1000usec. for 1G it is 10000usec. */
2084 t_fair = T_FAIR_COEF / port_rate;
2085
2086 /* this is the threshold below which we won't arm
2087 the timer anymore */
2088 m_cmng_port->fair_vars.fair_threshold = QM_ARB_BYTES;
2089
2090 /* we multiply by 1e3/8 to get bytes/msec.
2091 We don't want the credits to pass a credit
2092 of the T_FAIR*FAIR_MEM (algorithm resolution) */
2093 m_cmng_port->fair_vars.upper_bound =
2094 r_param * t_fair * FAIR_MEM;
2095 /* since each tick is 4 usec */
2096 m_cmng_port->fair_vars.fairness_timeout =
2097 fair_periodic_timeout_usec / 4;
2098
2099 } else {
2100 /* Disable rate shaping and fairness */
2101 m_cmng_port->flags.cmng_vn_enable = 0;
2102 m_cmng_port->flags.fairness_enable = 0;
2103 m_cmng_port->flags.rate_shaping_enable = 0;
2104
2105 DP(NETIF_MSG_IFUP,
2106 "Single function mode minmax will be disabled\n");
2107 }
2108
2109 /* Store it to internal memory */
2110 for (i = 0; i < sizeof(struct cmng_struct_per_port) / 4; i++)
2111 REG_WR(bp, BAR_XSTRORM_INTMEM +
2112 XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i * 4,
2113 ((u32 *)(m_cmng_port))[i]);
2114}
2115
2116static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func,
2117 u32 wsum, u16 port_rate,
2118 struct cmng_struct_per_port *m_cmng_port)
2119{
2120 struct rate_shaping_vars_per_vn m_rs_vn;
2121 struct fairness_vars_per_vn m_fair_vn;
2122 u32 vn_cfg = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
2123 u16 vn_min_rate, vn_max_rate;
2124 int i;
2125
2126 /* If function is hidden - set min and max to zeroes */
2127 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
2128 vn_min_rate = 0;
2129 vn_max_rate = 0;
2130
2131 } else {
2132 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2133 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2134 /* If FAIRNESS is enabled (not all min rates are zeroes) and
2135 if current min rate is zero - set it to 1.
Eilon Greenstein33471622008-08-13 15:59:08 -07002136 This is a requirement of the algorithm. */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002137 if ((vn_min_rate == 0) && wsum)
2138 vn_min_rate = DEF_MIN_RATE;
2139 vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
2140 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
2141 }
2142
2143 DP(NETIF_MSG_IFUP, "func %d: vn_min_rate=%d vn_max_rate=%d "
2144 "wsum=%d\n", func, vn_min_rate, vn_max_rate, wsum);
2145
2146 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
2147 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
2148
2149 /* global vn counter - maximal Mbps for this vn */
2150 m_rs_vn.vn_counter.rate = vn_max_rate;
2151
2152 /* quota - number of bytes transmitted in this period */
2153 m_rs_vn.vn_counter.quota =
2154 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2155
2156#ifdef BNX2X_PER_PROT_QOS
2157 /* per protocol counter */
2158 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++) {
2159 /* maximal Mbps for this protocol */
2160 m_rs_vn.protocol_counters[protocol].rate =
2161 protocol_max_rate[protocol];
2162 /* the quota in each timer period -
2163 number of bytes transmitted in this period */
2164 m_rs_vn.protocol_counters[protocol].quota =
2165 (u32)(rs_periodic_timeout_usec *
2166 ((double)m_rs_vn.
2167 protocol_counters[protocol].rate/8));
2168 }
2169#endif
2170
2171 if (wsum) {
2172 /* credit for each period of the fairness algorithm:
2173 number of bytes in T_FAIR (the vn share the port rate).
2174 wsum should not be larger than 10000, thus
2175 T_FAIR_COEF / (8 * wsum) will always be grater than zero */
2176 m_fair_vn.vn_credit_delta =
2177 max((u64)(vn_min_rate * (T_FAIR_COEF / (8 * wsum))),
2178 (u64)(m_cmng_port->fair_vars.fair_threshold * 2));
2179 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta=%d\n",
2180 m_fair_vn.vn_credit_delta);
2181 }
2182
2183#ifdef BNX2X_PER_PROT_QOS
2184 do {
2185 u32 protocolWeightSum = 0;
2186
2187 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++)
2188 protocolWeightSum +=
2189 drvInit.protocol_min_rate[protocol];
2190 /* per protocol counter -
2191 NOT NEEDED IF NO PER-PROTOCOL CONGESTION MANAGEMENT */
2192 if (protocolWeightSum > 0) {
2193 for (protocol = 0;
2194 protocol < NUM_OF_PROTOCOLS; protocol++)
2195 /* credit for each period of the
2196 fairness algorithm - number of bytes in
2197 T_FAIR (the protocol share the vn rate) */
2198 m_fair_vn.protocol_credit_delta[protocol] =
2199 (u32)((vn_min_rate / 8) * t_fair *
2200 protocol_min_rate / protocolWeightSum);
2201 }
2202 } while (0);
2203#endif
2204
2205 /* Store it to internal memory */
2206 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2207 REG_WR(bp, BAR_XSTRORM_INTMEM +
2208 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2209 ((u32 *)(&m_rs_vn))[i]);
2210
2211 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2212 REG_WR(bp, BAR_XSTRORM_INTMEM +
2213 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2214 ((u32 *)(&m_fair_vn))[i]);
2215}
2216
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002217/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002218static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002219{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002220 int vn;
2221
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002222 /* Make sure that we are synced with the current statistics */
2223 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2224
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002225 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002226 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002227 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002228
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002229 if (bp->link_vars.link_up) {
2230
2231 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2232 struct host_port_stats *pstats;
2233
2234 pstats = bnx2x_sp(bp, port_stats);
2235 /* reset old bmac stats */
2236 memset(&(pstats->mac_stx[0]), 0,
2237 sizeof(struct mac_stx));
2238 }
2239 if ((bp->state == BNX2X_STATE_OPEN) ||
2240 (bp->state == BNX2X_STATE_DISABLED))
2241 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2242 }
2243
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002244 /* indicate link status */
2245 bnx2x_link_report(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002246
2247 if (IS_E1HMF(bp)) {
2248 int func;
2249
2250 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2251 if (vn == BP_E1HVN(bp))
2252 continue;
2253
2254 func = ((vn << 1) | BP_PORT(bp));
2255
2256 /* Set the attention towards other drivers
2257 on the same port */
2258 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2259 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2260 }
2261 }
2262
2263 if (CHIP_IS_E1H(bp) && (bp->link_vars.line_speed > 0)) {
2264 struct cmng_struct_per_port m_cmng_port;
2265 u32 wsum;
2266 int port = BP_PORT(bp);
2267
2268 /* Init RATE SHAPING and FAIRNESS contexts */
2269 wsum = bnx2x_calc_vn_wsum(bp);
2270 bnx2x_init_port_minmax(bp, (int)wsum,
2271 bp->link_vars.line_speed,
2272 &m_cmng_port);
2273 if (IS_E1HMF(bp))
2274 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2275 bnx2x_init_vn_minmax(bp, 2*vn + port,
2276 wsum, bp->link_vars.line_speed,
2277 &m_cmng_port);
2278 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002279}
2280
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002281static void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002282{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002283 if (bp->state != BNX2X_STATE_OPEN)
2284 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002285
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002286 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2287
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002288 if (bp->link_vars.link_up)
2289 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2290 else
2291 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2292
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002293 /* indicate link status */
2294 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002295}
2296
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002297static void bnx2x_pmf_update(struct bnx2x *bp)
2298{
2299 int port = BP_PORT(bp);
2300 u32 val;
2301
2302 bp->port.pmf = 1;
2303 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2304
2305 /* enable nig attention */
2306 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
2307 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2308 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002309
2310 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002311}
2312
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002313/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002314
2315/* slow path */
2316
2317/*
2318 * General service functions
2319 */
2320
2321/* the slow path queue is odd since completions arrive on the fastpath ring */
2322static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
2323 u32 data_hi, u32 data_lo, int common)
2324{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002325 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002326
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002327 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
2328 "SPQE (%x:%x) command %d hw_cid %x data (%x:%x) left %x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002329 (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) +
2330 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
2331 HW_CID(bp, cid), data_hi, data_lo, bp->spq_left);
2332
2333#ifdef BNX2X_STOP_ON_ERROR
2334 if (unlikely(bp->panic))
2335 return -EIO;
2336#endif
2337
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002338 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002339
2340 if (!bp->spq_left) {
2341 BNX2X_ERR("BUG! SPQ ring full!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002342 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002343 bnx2x_panic();
2344 return -EBUSY;
2345 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08002346
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002347 /* CID needs port number to be encoded int it */
2348 bp->spq_prod_bd->hdr.conn_and_cmd_data =
2349 cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) |
2350 HW_CID(bp, cid)));
2351 bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE);
2352 if (common)
2353 bp->spq_prod_bd->hdr.type |=
2354 cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT));
2355
2356 bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi);
2357 bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo);
2358
2359 bp->spq_left--;
2360
2361 if (bp->spq_prod_bd == bp->spq_last_bd) {
2362 bp->spq_prod_bd = bp->spq;
2363 bp->spq_prod_idx = 0;
2364 DP(NETIF_MSG_TIMER, "end of spq\n");
2365
2366 } else {
2367 bp->spq_prod_bd++;
2368 bp->spq_prod_idx++;
2369 }
2370
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002371 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002372 bp->spq_prod_idx);
2373
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002374 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002375 return 0;
2376}
2377
2378/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002379static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002380{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002381 u32 i, j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002382 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002383
2384 might_sleep();
2385 i = 100;
2386 for (j = 0; j < i*10; j++) {
2387 val = (1UL << 31);
2388 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2389 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2390 if (val & (1L << 31))
2391 break;
2392
2393 msleep(5);
2394 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002395 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07002396 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002397 rc = -EBUSY;
2398 }
2399
2400 return rc;
2401}
2402
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002403/* release split MCP access lock register */
2404static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002405{
2406 u32 val = 0;
2407
2408 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2409}
2410
2411static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2412{
2413 struct host_def_status_block *def_sb = bp->def_status_blk;
2414 u16 rc = 0;
2415
2416 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002417 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2418 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
2419 rc |= 1;
2420 }
2421 if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) {
2422 bp->def_c_idx = def_sb->c_def_status_block.status_block_index;
2423 rc |= 2;
2424 }
2425 if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) {
2426 bp->def_u_idx = def_sb->u_def_status_block.status_block_index;
2427 rc |= 4;
2428 }
2429 if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) {
2430 bp->def_x_idx = def_sb->x_def_status_block.status_block_index;
2431 rc |= 8;
2432 }
2433 if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) {
2434 bp->def_t_idx = def_sb->t_def_status_block.status_block_index;
2435 rc |= 16;
2436 }
2437 return rc;
2438}
2439
2440/*
2441 * slow path service functions
2442 */
2443
2444static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2445{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002446 int port = BP_PORT(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07002447 u32 hc_addr = (HC_REG_COMMAND_REG + port*32 +
2448 COMMAND_REG_ATTN_BITS_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002449 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2450 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002451 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2452 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002453 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002454
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002455 if (bp->attn_state & asserted)
2456 BNX2X_ERR("IGU ERROR\n");
2457
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002458 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2459 aeu_mask = REG_RD(bp, aeu_addr);
2460
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002461 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002462 aeu_mask, asserted);
2463 aeu_mask &= ~(asserted & 0xff);
2464 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002465
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002466 REG_WR(bp, aeu_addr, aeu_mask);
2467 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002468
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002469 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002470 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002471 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002472
2473 if (asserted & ATTN_HARD_WIRED_MASK) {
2474 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002475
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002476 /* save nig interrupt mask */
2477 bp->nig_mask = REG_RD(bp, nig_int_mask_addr);
2478 REG_WR(bp, nig_int_mask_addr, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002479
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002480 bnx2x_link_attn(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002481
2482 /* handle unicore attn? */
2483 }
2484 if (asserted & ATTN_SW_TIMER_4_FUNC)
2485 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2486
2487 if (asserted & GPIO_2_FUNC)
2488 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2489
2490 if (asserted & GPIO_3_FUNC)
2491 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2492
2493 if (asserted & GPIO_4_FUNC)
2494 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2495
2496 if (port == 0) {
2497 if (asserted & ATTN_GENERAL_ATTN_1) {
2498 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2499 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2500 }
2501 if (asserted & ATTN_GENERAL_ATTN_2) {
2502 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2503 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2504 }
2505 if (asserted & ATTN_GENERAL_ATTN_3) {
2506 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2507 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2508 }
2509 } else {
2510 if (asserted & ATTN_GENERAL_ATTN_4) {
2511 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2512 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2513 }
2514 if (asserted & ATTN_GENERAL_ATTN_5) {
2515 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2516 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2517 }
2518 if (asserted & ATTN_GENERAL_ATTN_6) {
2519 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2520 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2521 }
2522 }
2523
2524 } /* if hardwired */
2525
Eilon Greenstein5c862842008-08-13 15:51:48 -07002526 DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2527 asserted, hc_addr);
2528 REG_WR(bp, hc_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002529
2530 /* now set back the mask */
2531 if (asserted & ATTN_NIG_FOR_FUNC)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002532 REG_WR(bp, nig_int_mask_addr, bp->nig_mask);
2533}
2534
2535static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2536{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002537 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002538 int reg_offset;
2539 u32 val;
2540
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002541 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2542 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002543
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002544 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002545
2546 val = REG_RD(bp, reg_offset);
2547 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2548 REG_WR(bp, reg_offset, val);
2549
2550 BNX2X_ERR("SPIO5 hw attention\n");
2551
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002552 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
Eilon Greenstein7add9052008-08-25 15:20:48 -07002553 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002554 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
2555 /* Fan failure attention */
2556
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002557 /* The PHY reset is controlled by GPIO 1 */
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002558 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002559 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
2560 /* Low power mode is controlled by GPIO 2 */
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002561 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002562 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002563 /* mark the failure */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002564 bp->link_params.ext_phy_config &=
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002565 ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002566 bp->link_params.ext_phy_config |=
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002567 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
2568 SHMEM_WR(bp,
2569 dev_info.port_hw_config[port].
2570 external_phy_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002571 bp->link_params.ext_phy_config);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002572 /* log the failure */
2573 printk(KERN_ERR PFX "Fan Failure on Network"
2574 " Controller %s has caused the driver to"
2575 " shutdown the card to prevent permanent"
2576 " damage. Please contact Dell Support for"
2577 " assistance\n", bp->dev->name);
2578 break;
2579
2580 default:
2581 break;
2582 }
2583 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002584
2585 if (attn & HW_INTERRUT_ASSERT_SET_0) {
2586
2587 val = REG_RD(bp, reg_offset);
2588 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
2589 REG_WR(bp, reg_offset, val);
2590
2591 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
2592 (attn & HW_INTERRUT_ASSERT_SET_0));
2593 bnx2x_panic();
2594 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002595}
2596
2597static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
2598{
2599 u32 val;
2600
2601 if (attn & BNX2X_DOORQ_ASSERT) {
2602
2603 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
2604 BNX2X_ERR("DB hw attention 0x%x\n", val);
2605 /* DORQ discard attention */
2606 if (val & 0x2)
2607 BNX2X_ERR("FATAL error from DORQ\n");
2608 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002609
2610 if (attn & HW_INTERRUT_ASSERT_SET_1) {
2611
2612 int port = BP_PORT(bp);
2613 int reg_offset;
2614
2615 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
2616 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
2617
2618 val = REG_RD(bp, reg_offset);
2619 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
2620 REG_WR(bp, reg_offset, val);
2621
2622 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
2623 (attn & HW_INTERRUT_ASSERT_SET_1));
2624 bnx2x_panic();
2625 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002626}
2627
2628static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
2629{
2630 u32 val;
2631
2632 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
2633
2634 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
2635 BNX2X_ERR("CFC hw attention 0x%x\n", val);
2636 /* CFC error attention */
2637 if (val & 0x2)
2638 BNX2X_ERR("FATAL error from CFC\n");
2639 }
2640
2641 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
2642
2643 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
2644 BNX2X_ERR("PXP hw attention 0x%x\n", val);
2645 /* RQ_USDMDP_FIFO_OVERFLOW */
2646 if (val & 0x18000)
2647 BNX2X_ERR("FATAL error from PXP\n");
2648 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002649
2650 if (attn & HW_INTERRUT_ASSERT_SET_2) {
2651
2652 int port = BP_PORT(bp);
2653 int reg_offset;
2654
2655 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
2656 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
2657
2658 val = REG_RD(bp, reg_offset);
2659 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
2660 REG_WR(bp, reg_offset, val);
2661
2662 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
2663 (attn & HW_INTERRUT_ASSERT_SET_2));
2664 bnx2x_panic();
2665 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002666}
2667
2668static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
2669{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002670 u32 val;
2671
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002672 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
2673
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002674 if (attn & BNX2X_PMF_LINK_ASSERT) {
2675 int func = BP_FUNC(bp);
2676
2677 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
2678 bnx2x__link_status_update(bp);
2679 if (SHMEM_RD(bp, func_mb[func].drv_status) &
2680 DRV_STATUS_PMF)
2681 bnx2x_pmf_update(bp);
2682
2683 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002684
2685 BNX2X_ERR("MC assert!\n");
2686 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
2687 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
2688 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
2689 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
2690 bnx2x_panic();
2691
2692 } else if (attn & BNX2X_MCP_ASSERT) {
2693
2694 BNX2X_ERR("MCP assert!\n");
2695 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002696 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002697
2698 } else
2699 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
2700 }
2701
2702 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002703 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
2704 if (attn & BNX2X_GRC_TIMEOUT) {
2705 val = CHIP_IS_E1H(bp) ?
2706 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN) : 0;
2707 BNX2X_ERR("GRC time-out 0x%08x\n", val);
2708 }
2709 if (attn & BNX2X_GRC_RSV) {
2710 val = CHIP_IS_E1H(bp) ?
2711 REG_RD(bp, MISC_REG_GRC_RSV_ATTN) : 0;
2712 BNX2X_ERR("GRC reserved 0x%08x\n", val);
2713 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002714 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002715 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002716}
2717
2718static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
2719{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002720 struct attn_route attn;
2721 struct attn_route group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002722 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002723 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002724 u32 reg_addr;
2725 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002726 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002727
2728 /* need to take HW lock because MCP or other port might also
2729 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002730 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002731
2732 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
2733 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
2734 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
2735 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002736 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x\n",
2737 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002738
2739 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
2740 if (deasserted & (1 << index)) {
2741 group_mask = bp->attn_group[index];
2742
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002743 DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x\n",
2744 index, group_mask.sig[0], group_mask.sig[1],
2745 group_mask.sig[2], group_mask.sig[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002746
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002747 bnx2x_attn_int_deasserted3(bp,
2748 attn.sig[3] & group_mask.sig[3]);
2749 bnx2x_attn_int_deasserted1(bp,
2750 attn.sig[1] & group_mask.sig[1]);
2751 bnx2x_attn_int_deasserted2(bp,
2752 attn.sig[2] & group_mask.sig[2]);
2753 bnx2x_attn_int_deasserted0(bp,
2754 attn.sig[0] & group_mask.sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002755
2756 if ((attn.sig[0] & group_mask.sig[0] &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002757 HW_PRTY_ASSERT_SET_0) ||
2758 (attn.sig[1] & group_mask.sig[1] &
2759 HW_PRTY_ASSERT_SET_1) ||
2760 (attn.sig[2] & group_mask.sig[2] &
2761 HW_PRTY_ASSERT_SET_2))
Eilon Greenstein6378c022008-08-13 15:59:25 -07002762 BNX2X_ERR("FATAL HW block parity attention\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002763 }
2764 }
2765
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002766 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002767
Eilon Greenstein5c862842008-08-13 15:51:48 -07002768 reg_addr = (HC_REG_COMMAND_REG + port*32 + COMMAND_REG_ATTN_BITS_CLR);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002769
2770 val = ~deasserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002771 DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2772 val, reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07002773 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002774
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002775 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002776 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002777
2778 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2779 MISC_REG_AEU_MASK_ATTN_FUNC_0;
2780
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002781 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2782 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002783
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002784 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
2785 aeu_mask, deasserted);
2786 aeu_mask |= (deasserted & 0xff);
2787 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
2788
2789 REG_WR(bp, reg_addr, aeu_mask);
2790 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002791
2792 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2793 bp->attn_state &= ~deasserted;
2794 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2795}
2796
2797static void bnx2x_attn_int(struct bnx2x *bp)
2798{
2799 /* read local copy of bits */
2800 u32 attn_bits = bp->def_status_blk->atten_status_block.attn_bits;
2801 u32 attn_ack = bp->def_status_blk->atten_status_block.attn_bits_ack;
2802 u32 attn_state = bp->attn_state;
2803
2804 /* look for changed bits */
2805 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
2806 u32 deasserted = ~attn_bits & attn_ack & attn_state;
2807
2808 DP(NETIF_MSG_HW,
2809 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
2810 attn_bits, attn_ack, asserted, deasserted);
2811
2812 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002813 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002814
2815 /* handle bits that were raised */
2816 if (asserted)
2817 bnx2x_attn_int_asserted(bp, asserted);
2818
2819 if (deasserted)
2820 bnx2x_attn_int_deasserted(bp, deasserted);
2821}
2822
2823static void bnx2x_sp_task(struct work_struct *work)
2824{
2825 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task);
2826 u16 status;
2827
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002828
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002829 /* Return here if interrupt is disabled */
2830 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07002831 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002832 return;
2833 }
2834
2835 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002836/* if (status == 0) */
2837/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002838
Eilon Greenstein3196a882008-08-13 15:58:49 -07002839 DP(NETIF_MSG_INTR, "got a slowpath interrupt (updated %x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002840
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002841 /* HW attentions */
2842 if (status & 0x1)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002843 bnx2x_attn_int(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002844
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002845 /* CStorm events: query_stats, port delete ramrod */
2846 if (status & 0x2)
2847 bp->stats_pending = 0;
2848
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002849 bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, bp->def_att_idx,
2850 IGU_INT_NOP, 1);
2851 bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx),
2852 IGU_INT_NOP, 1);
2853 bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx),
2854 IGU_INT_NOP, 1);
2855 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx),
2856 IGU_INT_NOP, 1);
2857 bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx),
2858 IGU_INT_ENABLE, 1);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002859
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002860}
2861
2862static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
2863{
2864 struct net_device *dev = dev_instance;
2865 struct bnx2x *bp = netdev_priv(dev);
2866
2867 /* Return here if interrupt is disabled */
2868 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07002869 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002870 return IRQ_HANDLED;
2871 }
2872
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002873 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, 0, IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002874
2875#ifdef BNX2X_STOP_ON_ERROR
2876 if (unlikely(bp->panic))
2877 return IRQ_HANDLED;
2878#endif
2879
2880 schedule_work(&bp->sp_task);
2881
2882 return IRQ_HANDLED;
2883}
2884
2885/* end of slow path */
2886
2887/* Statistics */
2888
2889/****************************************************************************
2890* Macros
2891****************************************************************************/
2892
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002893/* sum[hi:lo] += add[hi:lo] */
2894#define ADD_64(s_hi, a_hi, s_lo, a_lo) \
2895 do { \
2896 s_lo += a_lo; \
2897 s_hi += a_hi + (s_lo < a_lo) ? 1 : 0; \
2898 } while (0)
2899
2900/* difference = minuend - subtrahend */
2901#define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
2902 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002903 if (m_lo < s_lo) { \
2904 /* underflow */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002905 d_hi = m_hi - s_hi; \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002906 if (d_hi > 0) { \
Eilon Greenstein6378c022008-08-13 15:59:25 -07002907 /* we can 'loan' 1 */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002908 d_hi--; \
2909 d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002910 } else { \
Eilon Greenstein6378c022008-08-13 15:59:25 -07002911 /* m_hi <= s_hi */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002912 d_hi = 0; \
2913 d_lo = 0; \
2914 } \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002915 } else { \
2916 /* m_lo >= s_lo */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002917 if (m_hi < s_hi) { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002918 d_hi = 0; \
2919 d_lo = 0; \
2920 } else { \
Eilon Greenstein6378c022008-08-13 15:59:25 -07002921 /* m_hi >= s_hi */ \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002922 d_hi = m_hi - s_hi; \
2923 d_lo = m_lo - s_lo; \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002924 } \
2925 } \
2926 } while (0)
2927
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002928#define UPDATE_STAT64(s, t) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002929 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002930 DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
2931 diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
2932 pstats->mac_stx[0].t##_hi = new->s##_hi; \
2933 pstats->mac_stx[0].t##_lo = new->s##_lo; \
2934 ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
2935 pstats->mac_stx[1].t##_lo, diff.lo); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002936 } while (0)
2937
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002938#define UPDATE_STAT64_NIG(s, t) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002939 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002940 DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
2941 diff.lo, new->s##_lo, old->s##_lo); \
2942 ADD_64(estats->t##_hi, diff.hi, \
2943 estats->t##_lo, diff.lo); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002944 } while (0)
2945
2946/* sum[hi:lo] += add */
2947#define ADD_EXTEND_64(s_hi, s_lo, a) \
2948 do { \
2949 s_lo += a; \
2950 s_hi += (s_lo < a) ? 1 : 0; \
2951 } while (0)
2952
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002953#define UPDATE_EXTEND_STAT(s) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002954 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002955 ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
2956 pstats->mac_stx[1].s##_lo, \
2957 new->s); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002958 } while (0)
2959
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002960#define UPDATE_EXTEND_TSTAT(s, t) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002961 do { \
2962 diff = le32_to_cpu(tclient->s) - old_tclient->s; \
2963 old_tclient->s = le32_to_cpu(tclient->s); \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002964 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
2965 } while (0)
2966
2967#define UPDATE_EXTEND_XSTAT(s, t) \
2968 do { \
2969 diff = le32_to_cpu(xclient->s) - old_xclient->s; \
2970 old_xclient->s = le32_to_cpu(xclient->s); \
2971 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002972 } while (0)
2973
2974/*
2975 * General service functions
2976 */
2977
2978static inline long bnx2x_hilo(u32 *hiref)
2979{
2980 u32 lo = *(hiref + 1);
2981#if (BITS_PER_LONG == 64)
2982 u32 hi = *hiref;
2983
2984 return HILO_U64(hi, lo);
2985#else
2986 return lo;
2987#endif
2988}
2989
2990/*
2991 * Init service functions
2992 */
2993
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002994static void bnx2x_storm_stats_post(struct bnx2x *bp)
2995{
2996 if (!bp->stats_pending) {
2997 struct eth_query_ramrod_data ramrod_data = {0};
2998 int rc;
2999
3000 ramrod_data.drv_counter = bp->stats_counter++;
3001 ramrod_data.collect_port_1b = bp->port.pmf ? 1 : 0;
3002 ramrod_data.ctr_id_vector = (1 << BP_CL_ID(bp));
3003
3004 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0,
3005 ((u32 *)&ramrod_data)[1],
3006 ((u32 *)&ramrod_data)[0], 0);
3007 if (rc == 0) {
3008 /* stats ramrod has it's own slot on the spq */
3009 bp->spq_left++;
3010 bp->stats_pending = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003011 }
3012 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003013}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003014
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003015static void bnx2x_stats_init(struct bnx2x *bp)
3016{
3017 int port = BP_PORT(bp);
3018
3019 bp->executer_idx = 0;
3020 bp->stats_counter = 0;
3021
3022 /* port stats */
3023 if (!BP_NOMCP(bp))
3024 bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
3025 else
3026 bp->port.port_stx = 0;
3027 DP(BNX2X_MSG_STATS, "port_stx 0x%x\n", bp->port.port_stx);
3028
3029 memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
3030 bp->port.old_nig_stats.brb_discard =
3031 REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003032 bp->port.old_nig_stats.brb_truncate =
3033 REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003034 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
3035 &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
3036 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
3037 &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
3038
3039 /* function stats */
3040 memset(&bp->dev->stats, 0, sizeof(struct net_device_stats));
3041 memset(&bp->old_tclient, 0, sizeof(struct tstorm_per_client_stats));
3042 memset(&bp->old_xclient, 0, sizeof(struct xstorm_per_client_stats));
3043 memset(&bp->eth_stats, 0, sizeof(struct bnx2x_eth_stats));
3044
3045 bp->stats_state = STATS_STATE_DISABLED;
3046 if (IS_E1HMF(bp) && bp->port.pmf && bp->port.port_stx)
3047 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
3048}
3049
3050static void bnx2x_hw_stats_post(struct bnx2x *bp)
3051{
3052 struct dmae_command *dmae = &bp->stats_dmae;
3053 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3054
3055 *stats_comp = DMAE_COMP_VAL;
3056
3057 /* loader */
3058 if (bp->executer_idx) {
3059 int loader_idx = PMF_DMAE_C(bp);
3060
3061 memset(dmae, 0, sizeof(struct dmae_command));
3062
3063 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3064 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3065 DMAE_CMD_DST_RESET |
3066#ifdef __BIG_ENDIAN
3067 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3068#else
3069 DMAE_CMD_ENDIANITY_DW_SWAP |
3070#endif
3071 (BP_PORT(bp) ? DMAE_CMD_PORT_1 :
3072 DMAE_CMD_PORT_0) |
3073 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3074 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
3075 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
3076 dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
3077 sizeof(struct dmae_command) *
3078 (loader_idx + 1)) >> 2;
3079 dmae->dst_addr_hi = 0;
3080 dmae->len = sizeof(struct dmae_command) >> 2;
3081 if (CHIP_IS_E1(bp))
3082 dmae->len--;
3083 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
3084 dmae->comp_addr_hi = 0;
3085 dmae->comp_val = 1;
3086
3087 *stats_comp = 0;
3088 bnx2x_post_dmae(bp, dmae, loader_idx);
3089
3090 } else if (bp->func_stx) {
3091 *stats_comp = 0;
3092 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
3093 }
3094}
3095
3096static int bnx2x_stats_comp(struct bnx2x *bp)
3097{
3098 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3099 int cnt = 10;
3100
3101 might_sleep();
3102 while (*stats_comp != DMAE_COMP_VAL) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003103 if (!cnt) {
3104 BNX2X_ERR("timeout waiting for stats finished\n");
3105 break;
3106 }
3107 cnt--;
Yitchak Gertner12469402008-08-13 15:52:08 -07003108 msleep(1);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003109 }
3110 return 1;
3111}
3112
3113/*
3114 * Statistics service functions
3115 */
3116
3117static void bnx2x_stats_pmf_update(struct bnx2x *bp)
3118{
3119 struct dmae_command *dmae;
3120 u32 opcode;
3121 int loader_idx = PMF_DMAE_C(bp);
3122 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3123
3124 /* sanity */
3125 if (!IS_E1HMF(bp) || !bp->port.pmf || !bp->port.port_stx) {
3126 BNX2X_ERR("BUG!\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003127 return;
3128 }
3129
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003130 bp->executer_idx = 0;
3131
3132 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3133 DMAE_CMD_C_ENABLE |
3134 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3135#ifdef __BIG_ENDIAN
3136 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3137#else
3138 DMAE_CMD_ENDIANITY_DW_SWAP |
3139#endif
3140 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3141 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3142
3143 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3144 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3145 dmae->src_addr_lo = bp->port.port_stx >> 2;
3146 dmae->src_addr_hi = 0;
3147 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3148 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3149 dmae->len = DMAE_LEN32_RD_MAX;
3150 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3151 dmae->comp_addr_hi = 0;
3152 dmae->comp_val = 1;
3153
3154 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3155 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3156 dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
3157 dmae->src_addr_hi = 0;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003158 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
3159 DMAE_LEN32_RD_MAX * 4);
3160 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
3161 DMAE_LEN32_RD_MAX * 4);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003162 dmae->len = (sizeof(struct host_port_stats) >> 2) - DMAE_LEN32_RD_MAX;
3163 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3164 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3165 dmae->comp_val = DMAE_COMP_VAL;
3166
3167 *stats_comp = 0;
3168 bnx2x_hw_stats_post(bp);
3169 bnx2x_stats_comp(bp);
3170}
3171
3172static void bnx2x_port_stats_init(struct bnx2x *bp)
3173{
3174 struct dmae_command *dmae;
3175 int port = BP_PORT(bp);
3176 int vn = BP_E1HVN(bp);
3177 u32 opcode;
3178 int loader_idx = PMF_DMAE_C(bp);
3179 u32 mac_addr;
3180 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3181
3182 /* sanity */
3183 if (!bp->link_vars.link_up || !bp->port.pmf) {
3184 BNX2X_ERR("BUG!\n");
3185 return;
3186 }
3187
3188 bp->executer_idx = 0;
3189
3190 /* MCP */
3191 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3192 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3193 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3194#ifdef __BIG_ENDIAN
3195 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3196#else
3197 DMAE_CMD_ENDIANITY_DW_SWAP |
3198#endif
3199 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3200 (vn << DMAE_CMD_E1HVN_SHIFT));
3201
3202 if (bp->port.port_stx) {
3203
3204 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3205 dmae->opcode = opcode;
3206 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3207 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3208 dmae->dst_addr_lo = bp->port.port_stx >> 2;
3209 dmae->dst_addr_hi = 0;
3210 dmae->len = sizeof(struct host_port_stats) >> 2;
3211 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3212 dmae->comp_addr_hi = 0;
3213 dmae->comp_val = 1;
3214 }
3215
3216 if (bp->func_stx) {
3217
3218 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3219 dmae->opcode = opcode;
3220 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3221 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3222 dmae->dst_addr_lo = bp->func_stx >> 2;
3223 dmae->dst_addr_hi = 0;
3224 dmae->len = sizeof(struct host_func_stats) >> 2;
3225 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3226 dmae->comp_addr_hi = 0;
3227 dmae->comp_val = 1;
3228 }
3229
3230 /* MAC */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003231 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3232 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3233 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3234#ifdef __BIG_ENDIAN
3235 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3236#else
3237 DMAE_CMD_ENDIANITY_DW_SWAP |
3238#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003239 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3240 (vn << DMAE_CMD_E1HVN_SHIFT));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003241
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07003242 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003243
3244 mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
3245 NIG_REG_INGRESS_BMAC0_MEM);
3246
3247 /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
3248 BIGMAC_REGISTER_TX_STAT_GTBYT */
3249 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3250 dmae->opcode = opcode;
3251 dmae->src_addr_lo = (mac_addr +
3252 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3253 dmae->src_addr_hi = 0;
3254 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3255 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3256 dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
3257 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3258 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3259 dmae->comp_addr_hi = 0;
3260 dmae->comp_val = 1;
3261
3262 /* BIGMAC_REGISTER_RX_STAT_GR64 ..
3263 BIGMAC_REGISTER_RX_STAT_GRIPJ */
3264 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3265 dmae->opcode = opcode;
3266 dmae->src_addr_lo = (mac_addr +
3267 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3268 dmae->src_addr_hi = 0;
3269 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003270 offsetof(struct bmac_stats, rx_stat_gr64_lo));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003271 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003272 offsetof(struct bmac_stats, rx_stat_gr64_lo));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003273 dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
3274 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3275 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3276 dmae->comp_addr_hi = 0;
3277 dmae->comp_val = 1;
3278
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07003279 } else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003280
3281 mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
3282
3283 /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
3284 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3285 dmae->opcode = opcode;
3286 dmae->src_addr_lo = (mac_addr +
3287 EMAC_REG_EMAC_RX_STAT_AC) >> 2;
3288 dmae->src_addr_hi = 0;
3289 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3290 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3291 dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
3292 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3293 dmae->comp_addr_hi = 0;
3294 dmae->comp_val = 1;
3295
3296 /* EMAC_REG_EMAC_RX_STAT_AC_28 */
3297 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3298 dmae->opcode = opcode;
3299 dmae->src_addr_lo = (mac_addr +
3300 EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
3301 dmae->src_addr_hi = 0;
3302 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003303 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003304 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003305 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003306 dmae->len = 1;
3307 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3308 dmae->comp_addr_hi = 0;
3309 dmae->comp_val = 1;
3310
3311 /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
3312 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3313 dmae->opcode = opcode;
3314 dmae->src_addr_lo = (mac_addr +
3315 EMAC_REG_EMAC_TX_STAT_AC) >> 2;
3316 dmae->src_addr_hi = 0;
3317 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003318 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003319 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003320 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003321 dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
3322 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3323 dmae->comp_addr_hi = 0;
3324 dmae->comp_val = 1;
3325 }
3326
3327 /* NIG */
3328 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003329 dmae->opcode = opcode;
3330 dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
3331 NIG_REG_STAT0_BRB_DISCARD) >> 2;
3332 dmae->src_addr_hi = 0;
3333 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
3334 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
3335 dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
3336 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3337 dmae->comp_addr_hi = 0;
3338 dmae->comp_val = 1;
3339
3340 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3341 dmae->opcode = opcode;
3342 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
3343 NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
3344 dmae->src_addr_hi = 0;
3345 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3346 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3347 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3348 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3349 dmae->len = (2*sizeof(u32)) >> 2;
3350 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3351 dmae->comp_addr_hi = 0;
3352 dmae->comp_val = 1;
3353
3354 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003355 dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3356 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3357 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3358#ifdef __BIG_ENDIAN
3359 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3360#else
3361 DMAE_CMD_ENDIANITY_DW_SWAP |
3362#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003363 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3364 (vn << DMAE_CMD_E1HVN_SHIFT));
3365 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
3366 NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003367 dmae->src_addr_hi = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003368 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3369 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3370 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3371 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3372 dmae->len = (2*sizeof(u32)) >> 2;
3373 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3374 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3375 dmae->comp_val = DMAE_COMP_VAL;
3376
3377 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003378}
3379
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003380static void bnx2x_func_stats_init(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003381{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003382 struct dmae_command *dmae = &bp->stats_dmae;
3383 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003384
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003385 /* sanity */
3386 if (!bp->func_stx) {
3387 BNX2X_ERR("BUG!\n");
3388 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003389 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003390
3391 bp->executer_idx = 0;
3392 memset(dmae, 0, sizeof(struct dmae_command));
3393
3394 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3395 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3396 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3397#ifdef __BIG_ENDIAN
3398 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3399#else
3400 DMAE_CMD_ENDIANITY_DW_SWAP |
3401#endif
3402 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3403 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3404 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3405 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3406 dmae->dst_addr_lo = bp->func_stx >> 2;
3407 dmae->dst_addr_hi = 0;
3408 dmae->len = sizeof(struct host_func_stats) >> 2;
3409 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3410 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3411 dmae->comp_val = DMAE_COMP_VAL;
3412
3413 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003414}
3415
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003416static void bnx2x_stats_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003417{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003418 if (bp->port.pmf)
3419 bnx2x_port_stats_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003420
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003421 else if (bp->func_stx)
3422 bnx2x_func_stats_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003423
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003424 bnx2x_hw_stats_post(bp);
3425 bnx2x_storm_stats_post(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003426}
3427
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003428static void bnx2x_stats_pmf_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003429{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003430 bnx2x_stats_comp(bp);
3431 bnx2x_stats_pmf_update(bp);
3432 bnx2x_stats_start(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003433}
3434
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003435static void bnx2x_stats_restart(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003436{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003437 bnx2x_stats_comp(bp);
3438 bnx2x_stats_start(bp);
3439}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003440
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003441static void bnx2x_bmac_stats_update(struct bnx2x *bp)
3442{
3443 struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac_stats);
3444 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3445 struct regpair diff;
3446
3447 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
3448 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
3449 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
3450 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
3451 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
3452 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003453 UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003454 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
3455 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffpauseframesreceived);
3456 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
3457 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
3458 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
3459 UPDATE_STAT64(tx_stat_gt127,
3460 tx_stat_etherstatspkts65octetsto127octets);
3461 UPDATE_STAT64(tx_stat_gt255,
3462 tx_stat_etherstatspkts128octetsto255octets);
3463 UPDATE_STAT64(tx_stat_gt511,
3464 tx_stat_etherstatspkts256octetsto511octets);
3465 UPDATE_STAT64(tx_stat_gt1023,
3466 tx_stat_etherstatspkts512octetsto1023octets);
3467 UPDATE_STAT64(tx_stat_gt1518,
3468 tx_stat_etherstatspkts1024octetsto1522octets);
3469 UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047);
3470 UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095);
3471 UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216);
3472 UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383);
3473 UPDATE_STAT64(tx_stat_gterr,
3474 tx_stat_dot3statsinternalmactransmiterrors);
3475 UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl);
3476}
3477
3478static void bnx2x_emac_stats_update(struct bnx2x *bp)
3479{
3480 struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
3481 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3482
3483 UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
3484 UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
3485 UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
3486 UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
3487 UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
3488 UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
3489 UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
3490 UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
3491 UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
3492 UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
3493 UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
3494 UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
3495 UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
3496 UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
3497 UPDATE_EXTEND_STAT(tx_stat_outxonsent);
3498 UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
3499 UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
3500 UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
3501 UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
3502 UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
3503 UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
3504 UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
3505 UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
3506 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
3507 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
3508 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
3509 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
3510 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
3511 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
3512 UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
3513 UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
3514}
3515
3516static int bnx2x_hw_stats_update(struct bnx2x *bp)
3517{
3518 struct nig_stats *new = bnx2x_sp(bp, nig_stats);
3519 struct nig_stats *old = &(bp->port.old_nig_stats);
3520 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3521 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3522 struct regpair diff;
3523
3524 if (bp->link_vars.mac_type == MAC_TYPE_BMAC)
3525 bnx2x_bmac_stats_update(bp);
3526
3527 else if (bp->link_vars.mac_type == MAC_TYPE_EMAC)
3528 bnx2x_emac_stats_update(bp);
3529
3530 else { /* unreached */
3531 BNX2X_ERR("stats updated by dmae but no MAC active\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003532 return -1;
3533 }
3534
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003535 ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
3536 new->brb_discard - old->brb_discard);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003537 ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
3538 new->brb_truncate - old->brb_truncate);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003539
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003540 UPDATE_STAT64_NIG(egress_mac_pkt0,
3541 etherstatspkts1024octetsto1522octets);
3542 UPDATE_STAT64_NIG(egress_mac_pkt1, etherstatspktsover1522octets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003543
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003544 memcpy(old, new, sizeof(struct nig_stats));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003545
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003546 memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
3547 sizeof(struct mac_stx));
3548 estats->brb_drop_hi = pstats->brb_drop_hi;
3549 estats->brb_drop_lo = pstats->brb_drop_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003550
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003551 pstats->host_port_stats_start = ++pstats->host_port_stats_end;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003552
3553 return 0;
3554}
3555
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003556static int bnx2x_storm_stats_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003557{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003558 struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
3559 int cl_id = BP_CL_ID(bp);
3560 struct tstorm_per_port_stats *tport =
3561 &stats->tstorm_common.port_statistics;
3562 struct tstorm_per_client_stats *tclient =
3563 &stats->tstorm_common.client_statistics[cl_id];
3564 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3565 struct xstorm_per_client_stats *xclient =
3566 &stats->xstorm_common.client_statistics[cl_id];
3567 struct xstorm_per_client_stats *old_xclient = &bp->old_xclient;
3568 struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
3569 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3570 u32 diff;
3571
3572 /* are storm stats valid? */
3573 if ((u16)(le16_to_cpu(tclient->stats_counter) + 1) !=
3574 bp->stats_counter) {
3575 DP(BNX2X_MSG_STATS, "stats not updated by tstorm"
3576 " tstorm counter (%d) != stats_counter (%d)\n",
3577 tclient->stats_counter, bp->stats_counter);
3578 return -1;
3579 }
3580 if ((u16)(le16_to_cpu(xclient->stats_counter) + 1) !=
3581 bp->stats_counter) {
3582 DP(BNX2X_MSG_STATS, "stats not updated by xstorm"
3583 " xstorm counter (%d) != stats_counter (%d)\n",
3584 xclient->stats_counter, bp->stats_counter);
3585 return -2;
3586 }
3587
3588 fstats->total_bytes_received_hi =
3589 fstats->valid_bytes_received_hi =
3590 le32_to_cpu(tclient->total_rcv_bytes.hi);
3591 fstats->total_bytes_received_lo =
3592 fstats->valid_bytes_received_lo =
3593 le32_to_cpu(tclient->total_rcv_bytes.lo);
3594
3595 estats->error_bytes_received_hi =
3596 le32_to_cpu(tclient->rcv_error_bytes.hi);
3597 estats->error_bytes_received_lo =
3598 le32_to_cpu(tclient->rcv_error_bytes.lo);
3599 ADD_64(estats->error_bytes_received_hi,
3600 estats->rx_stat_ifhcinbadoctets_hi,
3601 estats->error_bytes_received_lo,
3602 estats->rx_stat_ifhcinbadoctets_lo);
3603
3604 ADD_64(fstats->total_bytes_received_hi,
3605 estats->error_bytes_received_hi,
3606 fstats->total_bytes_received_lo,
3607 estats->error_bytes_received_lo);
3608
3609 UPDATE_EXTEND_TSTAT(rcv_unicast_pkts, total_unicast_packets_received);
3610 UPDATE_EXTEND_TSTAT(rcv_multicast_pkts,
3611 total_multicast_packets_received);
3612 UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts,
3613 total_broadcast_packets_received);
3614
3615 fstats->total_bytes_transmitted_hi =
3616 le32_to_cpu(xclient->total_sent_bytes.hi);
3617 fstats->total_bytes_transmitted_lo =
3618 le32_to_cpu(xclient->total_sent_bytes.lo);
3619
3620 UPDATE_EXTEND_XSTAT(unicast_pkts_sent,
3621 total_unicast_packets_transmitted);
3622 UPDATE_EXTEND_XSTAT(multicast_pkts_sent,
3623 total_multicast_packets_transmitted);
3624 UPDATE_EXTEND_XSTAT(broadcast_pkts_sent,
3625 total_broadcast_packets_transmitted);
3626
3627 memcpy(estats, &(fstats->total_bytes_received_hi),
3628 sizeof(struct host_func_stats) - 2*sizeof(u32));
3629
3630 estats->mac_filter_discard = le32_to_cpu(tport->mac_filter_discard);
3631 estats->xxoverflow_discard = le32_to_cpu(tport->xxoverflow_discard);
3632 estats->brb_truncate_discard =
3633 le32_to_cpu(tport->brb_truncate_discard);
3634 estats->mac_discard = le32_to_cpu(tport->mac_discard);
3635
3636 old_tclient->rcv_unicast_bytes.hi =
3637 le32_to_cpu(tclient->rcv_unicast_bytes.hi);
3638 old_tclient->rcv_unicast_bytes.lo =
3639 le32_to_cpu(tclient->rcv_unicast_bytes.lo);
3640 old_tclient->rcv_broadcast_bytes.hi =
3641 le32_to_cpu(tclient->rcv_broadcast_bytes.hi);
3642 old_tclient->rcv_broadcast_bytes.lo =
3643 le32_to_cpu(tclient->rcv_broadcast_bytes.lo);
3644 old_tclient->rcv_multicast_bytes.hi =
3645 le32_to_cpu(tclient->rcv_multicast_bytes.hi);
3646 old_tclient->rcv_multicast_bytes.lo =
3647 le32_to_cpu(tclient->rcv_multicast_bytes.lo);
3648 old_tclient->total_rcv_pkts = le32_to_cpu(tclient->total_rcv_pkts);
3649
3650 old_tclient->checksum_discard = le32_to_cpu(tclient->checksum_discard);
3651 old_tclient->packets_too_big_discard =
3652 le32_to_cpu(tclient->packets_too_big_discard);
3653 estats->no_buff_discard =
3654 old_tclient->no_buff_discard = le32_to_cpu(tclient->no_buff_discard);
3655 old_tclient->ttl0_discard = le32_to_cpu(tclient->ttl0_discard);
3656
3657 old_xclient->total_sent_pkts = le32_to_cpu(xclient->total_sent_pkts);
3658 old_xclient->unicast_bytes_sent.hi =
3659 le32_to_cpu(xclient->unicast_bytes_sent.hi);
3660 old_xclient->unicast_bytes_sent.lo =
3661 le32_to_cpu(xclient->unicast_bytes_sent.lo);
3662 old_xclient->multicast_bytes_sent.hi =
3663 le32_to_cpu(xclient->multicast_bytes_sent.hi);
3664 old_xclient->multicast_bytes_sent.lo =
3665 le32_to_cpu(xclient->multicast_bytes_sent.lo);
3666 old_xclient->broadcast_bytes_sent.hi =
3667 le32_to_cpu(xclient->broadcast_bytes_sent.hi);
3668 old_xclient->broadcast_bytes_sent.lo =
3669 le32_to_cpu(xclient->broadcast_bytes_sent.lo);
3670
3671 fstats->host_func_stats_start = ++fstats->host_func_stats_end;
3672
3673 return 0;
3674}
3675
3676static void bnx2x_net_stats_update(struct bnx2x *bp)
3677{
3678 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3679 struct bnx2x_eth_stats *estats = &bp->eth_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003680 struct net_device_stats *nstats = &bp->dev->stats;
3681
3682 nstats->rx_packets =
3683 bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
3684 bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
3685 bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
3686
3687 nstats->tx_packets =
3688 bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
3689 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
3690 bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
3691
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003692 nstats->rx_bytes = bnx2x_hilo(&estats->valid_bytes_received_hi);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003693
Eliezer Tamir0e39e642008-02-28 11:54:03 -08003694 nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003695
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003696 nstats->rx_dropped = old_tclient->checksum_discard +
3697 estats->mac_discard;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003698 nstats->tx_dropped = 0;
3699
3700 nstats->multicast =
3701 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi);
3702
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003703 nstats->collisions =
3704 estats->tx_stat_dot3statssinglecollisionframes_lo +
3705 estats->tx_stat_dot3statsmultiplecollisionframes_lo +
3706 estats->tx_stat_dot3statslatecollisions_lo +
3707 estats->tx_stat_dot3statsexcessivecollisions_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003708
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003709 estats->jabber_packets_received =
3710 old_tclient->packets_too_big_discard +
3711 estats->rx_stat_dot3statsframestoolong_lo;
3712
3713 nstats->rx_length_errors =
3714 estats->rx_stat_etherstatsundersizepkts_lo +
3715 estats->jabber_packets_received;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003716 nstats->rx_over_errors = estats->brb_drop_lo + estats->brb_truncate_lo;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003717 nstats->rx_crc_errors = estats->rx_stat_dot3statsfcserrors_lo;
3718 nstats->rx_frame_errors = estats->rx_stat_dot3statsalignmenterrors_lo;
3719 nstats->rx_fifo_errors = old_tclient->no_buff_discard;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003720 nstats->rx_missed_errors = estats->xxoverflow_discard;
3721
3722 nstats->rx_errors = nstats->rx_length_errors +
3723 nstats->rx_over_errors +
3724 nstats->rx_crc_errors +
3725 nstats->rx_frame_errors +
Eliezer Tamir0e39e642008-02-28 11:54:03 -08003726 nstats->rx_fifo_errors +
3727 nstats->rx_missed_errors;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003728
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003729 nstats->tx_aborted_errors =
3730 estats->tx_stat_dot3statslatecollisions_lo +
3731 estats->tx_stat_dot3statsexcessivecollisions_lo;
3732 nstats->tx_carrier_errors = estats->rx_stat_falsecarriererrors_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003733 nstats->tx_fifo_errors = 0;
3734 nstats->tx_heartbeat_errors = 0;
3735 nstats->tx_window_errors = 0;
3736
3737 nstats->tx_errors = nstats->tx_aborted_errors +
3738 nstats->tx_carrier_errors;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003739}
3740
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003741static void bnx2x_stats_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003742{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003743 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3744 int update = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003745
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003746 if (*stats_comp != DMAE_COMP_VAL)
3747 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003748
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003749 if (bp->port.pmf)
3750 update = (bnx2x_hw_stats_update(bp) == 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003751
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003752 update |= (bnx2x_storm_stats_update(bp) == 0);
3753
3754 if (update)
3755 bnx2x_net_stats_update(bp);
3756
3757 else {
3758 if (bp->stats_pending) {
3759 bp->stats_pending++;
3760 if (bp->stats_pending == 3) {
3761 BNX2X_ERR("stats not updated for 3 times\n");
3762 bnx2x_panic();
3763 return;
3764 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003765 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003766 }
3767
3768 if (bp->msglevel & NETIF_MSG_TIMER) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003769 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3770 struct bnx2x_eth_stats *estats = &bp->eth_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003771 struct net_device_stats *nstats = &bp->dev->stats;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003772 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003773
3774 printk(KERN_DEBUG "%s:\n", bp->dev->name);
3775 printk(KERN_DEBUG " tx avail (%4x) tx hc idx (%x)"
3776 " tx pkt (%lx)\n",
3777 bnx2x_tx_avail(bp->fp),
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003778 le16_to_cpu(*bp->fp->tx_cons_sb), nstats->tx_packets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003779 printk(KERN_DEBUG " rx usage (%4x) rx hc idx (%x)"
3780 " rx pkt (%lx)\n",
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003781 (u16)(le16_to_cpu(*bp->fp->rx_cons_sb) -
3782 bp->fp->rx_comp_cons),
3783 le16_to_cpu(*bp->fp->rx_cons_sb), nstats->rx_packets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003784 printk(KERN_DEBUG " %s (Xoff events %u) brb drops %u\n",
Eilon Greenstein6378c022008-08-13 15:59:25 -07003785 netif_queue_stopped(bp->dev) ? "Xoff" : "Xon",
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003786 estats->driver_xoff, estats->brb_drop_lo);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003787 printk(KERN_DEBUG "tstats: checksum_discard %u "
3788 "packets_too_big_discard %u no_buff_discard %u "
3789 "mac_discard %u mac_filter_discard %u "
3790 "xxovrflow_discard %u brb_truncate_discard %u "
3791 "ttl0_discard %u\n",
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003792 old_tclient->checksum_discard,
3793 old_tclient->packets_too_big_discard,
3794 old_tclient->no_buff_discard, estats->mac_discard,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003795 estats->mac_filter_discard, estats->xxoverflow_discard,
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003796 estats->brb_truncate_discard,
3797 old_tclient->ttl0_discard);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003798
3799 for_each_queue(bp, i) {
3800 printk(KERN_DEBUG "[%d]: %lu\t%lu\t%lu\n", i,
3801 bnx2x_fp(bp, i, tx_pkt),
3802 bnx2x_fp(bp, i, rx_pkt),
3803 bnx2x_fp(bp, i, rx_calls));
3804 }
3805 }
3806
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003807 bnx2x_hw_stats_post(bp);
3808 bnx2x_storm_stats_post(bp);
3809}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003810
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003811static void bnx2x_port_stats_stop(struct bnx2x *bp)
3812{
3813 struct dmae_command *dmae;
3814 u32 opcode;
3815 int loader_idx = PMF_DMAE_C(bp);
3816 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003817
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003818 bp->executer_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003819
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003820 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3821 DMAE_CMD_C_ENABLE |
3822 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003823#ifdef __BIG_ENDIAN
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003824 DMAE_CMD_ENDIANITY_B_DW_SWAP |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003825#else
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003826 DMAE_CMD_ENDIANITY_DW_SWAP |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003827#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003828 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3829 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3830
3831 if (bp->port.port_stx) {
3832
3833 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3834 if (bp->func_stx)
3835 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3836 else
3837 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3838 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3839 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3840 dmae->dst_addr_lo = bp->port.port_stx >> 2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003841 dmae->dst_addr_hi = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003842 dmae->len = sizeof(struct host_port_stats) >> 2;
3843 if (bp->func_stx) {
3844 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3845 dmae->comp_addr_hi = 0;
3846 dmae->comp_val = 1;
3847 } else {
3848 dmae->comp_addr_lo =
3849 U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3850 dmae->comp_addr_hi =
3851 U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3852 dmae->comp_val = DMAE_COMP_VAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003853
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003854 *stats_comp = 0;
3855 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003856 }
3857
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003858 if (bp->func_stx) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003859
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003860 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3861 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3862 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3863 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3864 dmae->dst_addr_lo = bp->func_stx >> 2;
3865 dmae->dst_addr_hi = 0;
3866 dmae->len = sizeof(struct host_func_stats) >> 2;
3867 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3868 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3869 dmae->comp_val = DMAE_COMP_VAL;
3870
3871 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003872 }
3873}
3874
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003875static void bnx2x_stats_stop(struct bnx2x *bp)
3876{
3877 int update = 0;
3878
3879 bnx2x_stats_comp(bp);
3880
3881 if (bp->port.pmf)
3882 update = (bnx2x_hw_stats_update(bp) == 0);
3883
3884 update |= (bnx2x_storm_stats_update(bp) == 0);
3885
3886 if (update) {
3887 bnx2x_net_stats_update(bp);
3888
3889 if (bp->port.pmf)
3890 bnx2x_port_stats_stop(bp);
3891
3892 bnx2x_hw_stats_post(bp);
3893 bnx2x_stats_comp(bp);
3894 }
3895}
3896
3897static void bnx2x_stats_do_nothing(struct bnx2x *bp)
3898{
3899}
3900
3901static const struct {
3902 void (*action)(struct bnx2x *bp);
3903 enum bnx2x_stats_state next_state;
3904} bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
3905/* state event */
3906{
3907/* DISABLED PMF */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
3908/* LINK_UP */ {bnx2x_stats_start, STATS_STATE_ENABLED},
3909/* UPDATE */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
3910/* STOP */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
3911},
3912{
3913/* ENABLED PMF */ {bnx2x_stats_pmf_start, STATS_STATE_ENABLED},
3914/* LINK_UP */ {bnx2x_stats_restart, STATS_STATE_ENABLED},
3915/* UPDATE */ {bnx2x_stats_update, STATS_STATE_ENABLED},
3916/* STOP */ {bnx2x_stats_stop, STATS_STATE_DISABLED}
3917}
3918};
3919
3920static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
3921{
3922 enum bnx2x_stats_state state = bp->stats_state;
3923
3924 bnx2x_stats_stm[state][event].action(bp);
3925 bp->stats_state = bnx2x_stats_stm[state][event].next_state;
3926
3927 if ((event != STATS_EVENT_UPDATE) || (bp->msglevel & NETIF_MSG_TIMER))
3928 DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
3929 state, event, bp->stats_state);
3930}
3931
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003932static void bnx2x_timer(unsigned long data)
3933{
3934 struct bnx2x *bp = (struct bnx2x *) data;
3935
3936 if (!netif_running(bp->dev))
3937 return;
3938
3939 if (atomic_read(&bp->intr_sem) != 0)
Eliezer Tamirf1410642008-02-28 11:51:50 -08003940 goto timer_restart;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003941
3942 if (poll) {
3943 struct bnx2x_fastpath *fp = &bp->fp[0];
3944 int rc;
3945
3946 bnx2x_tx_int(fp, 1000);
3947 rc = bnx2x_rx_int(fp, 1000);
3948 }
3949
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003950 if (!BP_NOMCP(bp)) {
3951 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003952 u32 drv_pulse;
3953 u32 mcp_pulse;
3954
3955 ++bp->fw_drv_pulse_wr_seq;
3956 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3957 /* TBD - add SYSTEM_TIME */
3958 drv_pulse = bp->fw_drv_pulse_wr_seq;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003959 SHMEM_WR(bp, func_mb[func].drv_pulse_mb, drv_pulse);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003960
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003961 mcp_pulse = (SHMEM_RD(bp, func_mb[func].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003962 MCP_PULSE_SEQ_MASK);
3963 /* The delta between driver pulse and mcp response
3964 * should be 1 (before mcp response) or 0 (after mcp response)
3965 */
3966 if ((drv_pulse != mcp_pulse) &&
3967 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3968 /* someone lost a heartbeat... */
3969 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3970 drv_pulse, mcp_pulse);
3971 }
3972 }
3973
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003974 if ((bp->state == BNX2X_STATE_OPEN) ||
3975 (bp->state == BNX2X_STATE_DISABLED))
3976 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003977
Eliezer Tamirf1410642008-02-28 11:51:50 -08003978timer_restart:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003979 mod_timer(&bp->timer, jiffies + bp->current_interval);
3980}
3981
3982/* end of Statistics */
3983
3984/* nic init */
3985
3986/*
3987 * nic init service functions
3988 */
3989
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003990static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003991{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003992 int port = BP_PORT(bp);
3993
3994 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
3995 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
Yitchak Gertner35302982008-08-13 15:53:12 -07003996 sizeof(struct ustorm_status_block)/4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003997 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
3998 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
Yitchak Gertner35302982008-08-13 15:53:12 -07003999 sizeof(struct cstorm_status_block)/4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004000}
4001
Eilon Greenstein5c862842008-08-13 15:51:48 -07004002static void bnx2x_init_sb(struct bnx2x *bp, struct host_status_block *sb,
4003 dma_addr_t mapping, int sb_id)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004004{
4005 int port = BP_PORT(bp);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004006 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004007 int index;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004008 u64 section;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004009
4010 /* USTORM */
4011 section = ((u64)mapping) + offsetof(struct host_status_block,
4012 u_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004013 sb->u_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004014
4015 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004016 USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004017 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004018 ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004019 U64_HI(section));
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004020 REG_WR8(bp, BAR_USTRORM_INTMEM + FP_USB_FUNC_OFF +
4021 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004022
4023 for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++)
4024 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004025 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004026
4027 /* CSTORM */
4028 section = ((u64)mapping) + offsetof(struct host_status_block,
4029 c_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004030 sb->c_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004031
4032 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004033 CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004034 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004035 ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004036 U64_HI(section));
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004037 REG_WR8(bp, BAR_CSTRORM_INTMEM + FP_CSB_FUNC_OFF +
4038 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004039
4040 for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++)
4041 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004042 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004043
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004044 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
4045}
4046
4047static void bnx2x_zero_def_sb(struct bnx2x *bp)
4048{
4049 int func = BP_FUNC(bp);
4050
4051 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
4052 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4053 sizeof(struct ustorm_def_status_block)/4);
4054 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
4055 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4056 sizeof(struct cstorm_def_status_block)/4);
4057 bnx2x_init_fill(bp, BAR_XSTRORM_INTMEM +
4058 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4059 sizeof(struct xstorm_def_status_block)/4);
4060 bnx2x_init_fill(bp, BAR_TSTRORM_INTMEM +
4061 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4062 sizeof(struct tstorm_def_status_block)/4);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004063}
4064
4065static void bnx2x_init_def_sb(struct bnx2x *bp,
4066 struct host_def_status_block *def_sb,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004067 dma_addr_t mapping, int sb_id)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004068{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004069 int port = BP_PORT(bp);
4070 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004071 int index, val, reg_offset;
4072 u64 section;
4073
4074 /* ATTN */
4075 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4076 atten_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004077 def_sb->atten_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004078
Eliezer Tamir49d66772008-02-28 11:53:13 -08004079 bp->attn_state = 0;
4080
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004081 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4082 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4083
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004084 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004085 bp->attn_group[index].sig[0] = REG_RD(bp,
4086 reg_offset + 0x10*index);
4087 bp->attn_group[index].sig[1] = REG_RD(bp,
4088 reg_offset + 0x4 + 0x10*index);
4089 bp->attn_group[index].sig[2] = REG_RD(bp,
4090 reg_offset + 0x8 + 0x10*index);
4091 bp->attn_group[index].sig[3] = REG_RD(bp,
4092 reg_offset + 0xc + 0x10*index);
4093 }
4094
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004095 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4096 HC_REG_ATTN_MSG0_ADDR_L);
4097
4098 REG_WR(bp, reg_offset, U64_LO(section));
4099 REG_WR(bp, reg_offset + 4, U64_HI(section));
4100
4101 reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0);
4102
4103 val = REG_RD(bp, reg_offset);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004104 val |= sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004105 REG_WR(bp, reg_offset, val);
4106
4107 /* USTORM */
4108 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4109 u_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004110 def_sb->u_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004111
4112 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004113 USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004114 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004115 ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004116 U64_HI(section));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004117 REG_WR8(bp, BAR_USTRORM_INTMEM + DEF_USB_FUNC_OFF +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004118 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004119
4120 for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++)
4121 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004122 USTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004123
4124 /* CSTORM */
4125 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4126 c_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004127 def_sb->c_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004128
4129 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004130 CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004131 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004132 ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004133 U64_HI(section));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004134 REG_WR8(bp, BAR_CSTRORM_INTMEM + DEF_CSB_FUNC_OFF +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004135 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004136
4137 for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++)
4138 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004139 CSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004140
4141 /* TSTORM */
4142 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4143 t_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004144 def_sb->t_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004145
4146 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004147 TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004148 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004149 ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004150 U64_HI(section));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004151 REG_WR8(bp, BAR_TSTRORM_INTMEM + DEF_TSB_FUNC_OFF +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004152 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004153
4154 for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++)
4155 REG_WR16(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004156 TSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004157
4158 /* XSTORM */
4159 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4160 x_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004161 def_sb->x_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004162
4163 REG_WR(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004164 XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004165 REG_WR(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004166 ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004167 U64_HI(section));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004168 REG_WR8(bp, BAR_XSTRORM_INTMEM + DEF_XSB_FUNC_OFF +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004169 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004170
4171 for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++)
4172 REG_WR16(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004173 XSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004174
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004175 bp->stats_pending = 0;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004176 bp->set_mac_pending = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004177
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004178 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004179}
4180
4181static void bnx2x_update_coalesce(struct bnx2x *bp)
4182{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004183 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004184 int i;
4185
4186 for_each_queue(bp, i) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004187 int sb_id = bp->fp[i].sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004188
4189 /* HC_INDEX_U_ETH_RX_CQ_CONS */
4190 REG_WR8(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004191 USTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
Eilon Greenstein5c862842008-08-13 15:51:48 -07004192 U_SB_ETH_RX_CQ_INDEX),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004193 bp->rx_ticks/12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004194 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004195 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
Eilon Greenstein5c862842008-08-13 15:51:48 -07004196 U_SB_ETH_RX_CQ_INDEX),
4197 bp->rx_ticks ? 0 : 1);
4198 REG_WR16(bp, BAR_USTRORM_INTMEM +
4199 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4200 U_SB_ETH_RX_BD_INDEX),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004201 bp->rx_ticks ? 0 : 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004202
4203 /* HC_INDEX_C_ETH_TX_CQ_CONS */
4204 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004205 CSTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
Eilon Greenstein5c862842008-08-13 15:51:48 -07004206 C_SB_ETH_TX_CQ_INDEX),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004207 bp->tx_ticks/12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004208 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004209 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
Eilon Greenstein5c862842008-08-13 15:51:48 -07004210 C_SB_ETH_TX_CQ_INDEX),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004211 bp->tx_ticks ? 0 : 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004212 }
4213}
4214
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004215static inline void bnx2x_free_tpa_pool(struct bnx2x *bp,
4216 struct bnx2x_fastpath *fp, int last)
4217{
4218 int i;
4219
4220 for (i = 0; i < last; i++) {
4221 struct sw_rx_bd *rx_buf = &(fp->tpa_pool[i]);
4222 struct sk_buff *skb = rx_buf->skb;
4223
4224 if (skb == NULL) {
4225 DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i);
4226 continue;
4227 }
4228
4229 if (fp->tpa_state[i] == BNX2X_TPA_START)
4230 pci_unmap_single(bp->pdev,
4231 pci_unmap_addr(rx_buf, mapping),
4232 bp->rx_buf_use_size,
4233 PCI_DMA_FROMDEVICE);
4234
4235 dev_kfree_skb(skb);
4236 rx_buf->skb = NULL;
4237 }
4238}
4239
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004240static void bnx2x_init_rx_rings(struct bnx2x *bp)
4241{
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004242 int func = BP_FUNC(bp);
Eilon Greenstein32626232008-08-13 15:51:07 -07004243 int max_agg_queues = CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 :
4244 ETH_MAX_AGGREGATION_QUEUES_E1H;
4245 u16 ring_prod, cqe_ring_prod;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004246 int i, j;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004247
4248 bp->rx_buf_use_size = bp->dev->mtu;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004249 bp->rx_buf_use_size += bp->rx_offset + ETH_OVREHEAD;
4250 bp->rx_buf_size = bp->rx_buf_use_size + 64;
4251
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004252 if (bp->flags & TPA_ENABLE_FLAG) {
4253 DP(NETIF_MSG_IFUP,
4254 "rx_buf_use_size %d rx_buf_size %d effective_mtu %d\n",
4255 bp->rx_buf_use_size, bp->rx_buf_size,
4256 bp->dev->mtu + ETH_OVREHEAD);
4257
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;
4465 context->ustorm_st_context.common.mc_alignment_size = 64;
4466 context->ustorm_st_context.common.bd_buff_size =
4467 bp->rx_buf_use_size;
4468 context->ustorm_st_context.common.bd_page_base_hi =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004469 U64_HI(fp->rx_desc_mapping);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004470 context->ustorm_st_context.common.bd_page_base_lo =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004471 U64_LO(fp->rx_desc_mapping);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004472 if (!fp->disable_tpa) {
4473 context->ustorm_st_context.common.flags |=
4474 (USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_TPA |
4475 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_SGE_RING);
4476 context->ustorm_st_context.common.sge_buff_size =
4477 (u16)(BCM_PAGE_SIZE*PAGES_PER_SGE);
4478 context->ustorm_st_context.common.sge_page_base_hi =
4479 U64_HI(fp->rx_sge_mapping);
4480 context->ustorm_st_context.common.sge_page_base_lo =
4481 U64_LO(fp->rx_sge_mapping);
4482 }
4483
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004484 context->cstorm_st_context.sb_index_number =
Eilon Greenstein5c862842008-08-13 15:51:48 -07004485 C_SB_ETH_TX_CQ_INDEX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004486 context->cstorm_st_context.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004487
4488 context->xstorm_ag_context.cdu_reserved =
4489 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4490 CDU_REGION_NUMBER_XCM_AG,
4491 ETH_CONNECTION_TYPE);
4492 context->ustorm_ag_context.cdu_usage =
4493 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4494 CDU_REGION_NUMBER_UCM_AG,
4495 ETH_CONNECTION_TYPE);
4496 }
4497}
4498
4499static void bnx2x_init_ind_table(struct bnx2x *bp)
4500{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004501 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004502 int i;
4503
4504 if (!is_multi(bp))
4505 return;
4506
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004507 DP(NETIF_MSG_IFUP, "Initializing indirection table\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004508 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004509 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4510 TSTORM_INDIRECTION_TABLE_OFFSET(port) + i,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004511 i % bp->num_queues);
4512
4513 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
4514}
4515
Eliezer Tamir49d66772008-02-28 11:53:13 -08004516static void bnx2x_set_client_config(struct bnx2x *bp)
4517{
Eliezer Tamir49d66772008-02-28 11:53:13 -08004518 struct tstorm_eth_client_config tstorm_client = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004519 int port = BP_PORT(bp);
4520 int i;
Eliezer Tamir49d66772008-02-28 11:53:13 -08004521
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004522 tstorm_client.mtu = bp->dev->mtu + ETH_OVREHEAD;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004523 tstorm_client.statistics_counter_id = BP_CL_ID(bp);
Eliezer Tamir49d66772008-02-28 11:53:13 -08004524 tstorm_client.config_flags =
4525 TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE;
4526#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004527 if (bp->rx_mode && bp->vlgrp) {
Eliezer Tamir49d66772008-02-28 11:53:13 -08004528 tstorm_client.config_flags |=
4529 TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE;
4530 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
4531 }
4532#endif
Eliezer Tamir49d66772008-02-28 11:53:13 -08004533
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004534 if (bp->flags & TPA_ENABLE_FLAG) {
4535 tstorm_client.max_sges_for_packet =
4536 BCM_PAGE_ALIGN(tstorm_client.mtu) >> BCM_PAGE_SHIFT;
4537 tstorm_client.max_sges_for_packet =
4538 ((tstorm_client.max_sges_for_packet +
4539 PAGES_PER_SGE - 1) & (~(PAGES_PER_SGE - 1))) >>
4540 PAGES_PER_SGE_SHIFT;
4541
4542 tstorm_client.config_flags |=
4543 TSTORM_ETH_CLIENT_CONFIG_ENABLE_SGE_RING;
4544 }
4545
Eliezer Tamir49d66772008-02-28 11:53:13 -08004546 for_each_queue(bp, i) {
4547 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004548 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id),
Eliezer Tamir49d66772008-02-28 11:53:13 -08004549 ((u32 *)&tstorm_client)[0]);
4550 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004551 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id) + 4,
Eliezer Tamir49d66772008-02-28 11:53:13 -08004552 ((u32 *)&tstorm_client)[1]);
4553 }
4554
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004555 DP(BNX2X_MSG_OFF, "tstorm_client: 0x%08x 0x%08x\n",
4556 ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]);
Eliezer Tamir49d66772008-02-28 11:53:13 -08004557}
4558
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004559static void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
4560{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004561 struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004562 int mode = bp->rx_mode;
4563 int mask = (1 << BP_L_ID(bp));
4564 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004565 int i;
4566
Eilon Greenstein3196a882008-08-13 15:58:49 -07004567 DP(NETIF_MSG_IFUP, "rx mode %d mask 0x%x\n", mode, mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004568
4569 switch (mode) {
4570 case BNX2X_RX_MODE_NONE: /* no Rx */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004571 tstorm_mac_filter.ucast_drop_all = mask;
4572 tstorm_mac_filter.mcast_drop_all = mask;
4573 tstorm_mac_filter.bcast_drop_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004574 break;
4575 case BNX2X_RX_MODE_NORMAL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004576 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004577 break;
4578 case BNX2X_RX_MODE_ALLMULTI:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004579 tstorm_mac_filter.mcast_accept_all = mask;
4580 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004581 break;
4582 case BNX2X_RX_MODE_PROMISC:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004583 tstorm_mac_filter.ucast_accept_all = mask;
4584 tstorm_mac_filter.mcast_accept_all = mask;
4585 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004586 break;
4587 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004588 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4589 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004590 }
4591
4592 for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) {
4593 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004594 TSTORM_MAC_FILTER_CONFIG_OFFSET(func) + i * 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004595 ((u32 *)&tstorm_mac_filter)[i]);
4596
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004597/* DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004598 ((u32 *)&tstorm_mac_filter)[i]); */
4599 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004600
Eliezer Tamir49d66772008-02-28 11:53:13 -08004601 if (mode != BNX2X_RX_MODE_NONE)
4602 bnx2x_set_client_config(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004603}
4604
Eilon Greenstein471de712008-08-13 15:49:35 -07004605static void bnx2x_init_internal_common(struct bnx2x *bp)
4606{
4607 int i;
4608
4609 /* Zero this manually as its initialization is
4610 currently missing in the initTool */
4611 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4612 REG_WR(bp, BAR_USTRORM_INTMEM +
4613 USTORM_AGG_DATA_OFFSET + i * 4, 0);
4614}
4615
4616static void bnx2x_init_internal_port(struct bnx2x *bp)
4617{
4618 int port = BP_PORT(bp);
4619
4620 REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4621 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4622 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4623 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4624}
4625
4626static void bnx2x_init_internal_func(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004627{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004628 struct tstorm_eth_function_common_config tstorm_config = {0};
4629 struct stats_indication_flags stats_flags = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004630 int port = BP_PORT(bp);
4631 int func = BP_FUNC(bp);
4632 int i;
Eilon Greenstein471de712008-08-13 15:49:35 -07004633 u16 max_agg_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004634
4635 if (is_multi(bp)) {
4636 tstorm_config.config_flags = MULTI_FLAGS;
4637 tstorm_config.rss_result_mask = MULTI_MASK;
4638 }
4639
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004640 tstorm_config.leading_client_id = BP_L_ID(bp);
4641
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004642 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004643 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004644 (*(u32 *)&tstorm_config));
4645
Eliezer Tamirc14423f2008-02-28 11:49:42 -08004646 bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004647 bnx2x_set_storm_rx_mode(bp);
4648
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004649 /* reset xstorm per client statistics */
4650 for (i = 0; i < sizeof(struct xstorm_per_client_stats) / 4; i++) {
4651 REG_WR(bp, BAR_XSTRORM_INTMEM +
4652 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4653 i*4, 0);
4654 }
4655 /* reset tstorm per client statistics */
4656 for (i = 0; i < sizeof(struct tstorm_per_client_stats) / 4; i++) {
4657 REG_WR(bp, BAR_TSTRORM_INTMEM +
4658 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4659 i*4, 0);
4660 }
4661
4662 /* Init statistics related context */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004663 stats_flags.collect_eth = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004664
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004665 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004666 ((u32 *)&stats_flags)[0]);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004667 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004668 ((u32 *)&stats_flags)[1]);
4669
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004670 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004671 ((u32 *)&stats_flags)[0]);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004672 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004673 ((u32 *)&stats_flags)[1]);
4674
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004675 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004676 ((u32 *)&stats_flags)[0]);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004677 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004678 ((u32 *)&stats_flags)[1]);
4679
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004680 REG_WR(bp, BAR_XSTRORM_INTMEM +
4681 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4682 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4683 REG_WR(bp, BAR_XSTRORM_INTMEM +
4684 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4685 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
4686
4687 REG_WR(bp, BAR_TSTRORM_INTMEM +
4688 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4689 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4690 REG_WR(bp, BAR_TSTRORM_INTMEM +
4691 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4692 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004693
4694 if (CHIP_IS_E1H(bp)) {
4695 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
4696 IS_E1HMF(bp));
4697 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
4698 IS_E1HMF(bp));
4699 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
4700 IS_E1HMF(bp));
4701 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
4702 IS_E1HMF(bp));
4703
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004704 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(func),
4705 bp->e1hov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004706 }
4707
Eilon Greenstein471de712008-08-13 15:49:35 -07004708 /* Init CQ ring mapping and aggregation size */
4709 max_agg_size = min((u32)(bp->rx_buf_use_size +
4710 8*BCM_PAGE_SIZE*PAGES_PER_SGE),
4711 (u32)0xffff);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004712 for_each_queue(bp, i) {
4713 struct bnx2x_fastpath *fp = &bp->fp[i];
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004714
4715 REG_WR(bp, BAR_USTRORM_INTMEM +
4716 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)),
4717 U64_LO(fp->rx_comp_mapping));
4718 REG_WR(bp, BAR_USTRORM_INTMEM +
4719 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)) + 4,
4720 U64_HI(fp->rx_comp_mapping));
4721
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004722 REG_WR16(bp, BAR_USTRORM_INTMEM +
4723 USTORM_MAX_AGG_SIZE_OFFSET(port, FP_CL_ID(fp)),
4724 max_agg_size);
4725 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004726}
4727
Eilon Greenstein471de712008-08-13 15:49:35 -07004728static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4729{
4730 switch (load_code) {
4731 case FW_MSG_CODE_DRV_LOAD_COMMON:
4732 bnx2x_init_internal_common(bp);
4733 /* no break */
4734
4735 case FW_MSG_CODE_DRV_LOAD_PORT:
4736 bnx2x_init_internal_port(bp);
4737 /* no break */
4738
4739 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
4740 bnx2x_init_internal_func(bp);
4741 break;
4742
4743 default:
4744 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4745 break;
4746 }
4747}
4748
4749static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004750{
4751 int i;
4752
4753 for_each_queue(bp, i) {
4754 struct bnx2x_fastpath *fp = &bp->fp[i];
4755
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004756 fp->bp = bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004757 fp->state = BNX2X_FP_STATE_CLOSED;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004758 fp->index = i;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004759 fp->cl_id = BP_L_ID(bp) + i;
4760 fp->sb_id = fp->cl_id;
4761 DP(NETIF_MSG_IFUP,
4762 "bnx2x_init_sb(%p,%p) index %d cl_id %d sb %d\n",
4763 bp, fp->status_blk, i, FP_CL_ID(fp), FP_SB_ID(fp));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004764 bnx2x_init_sb(bp, fp->status_blk, fp->status_blk_mapping,
4765 FP_SB_ID(fp));
4766 bnx2x_update_fpsb_idx(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004767 }
4768
Eilon Greenstein5c862842008-08-13 15:51:48 -07004769 bnx2x_init_def_sb(bp, bp->def_status_blk, bp->def_status_blk_mapping,
4770 DEF_SB_ID);
4771 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004772 bnx2x_update_coalesce(bp);
4773 bnx2x_init_rx_rings(bp);
4774 bnx2x_init_tx_ring(bp);
4775 bnx2x_init_sp_ring(bp);
4776 bnx2x_init_context(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07004777 bnx2x_init_internal(bp, load_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004778 bnx2x_init_ind_table(bp);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08004779 bnx2x_int_enable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004780}
4781
4782/* end of nic init */
4783
4784/*
4785 * gzip service functions
4786 */
4787
4788static int bnx2x_gunzip_init(struct bnx2x *bp)
4789{
4790 bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE,
4791 &bp->gunzip_mapping);
4792 if (bp->gunzip_buf == NULL)
4793 goto gunzip_nomem1;
4794
4795 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4796 if (bp->strm == NULL)
4797 goto gunzip_nomem2;
4798
4799 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4800 GFP_KERNEL);
4801 if (bp->strm->workspace == NULL)
4802 goto gunzip_nomem3;
4803
4804 return 0;
4805
4806gunzip_nomem3:
4807 kfree(bp->strm);
4808 bp->strm = NULL;
4809
4810gunzip_nomem2:
4811 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4812 bp->gunzip_mapping);
4813 bp->gunzip_buf = NULL;
4814
4815gunzip_nomem1:
4816 printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for"
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004817 " un-compression\n", bp->dev->name);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004818 return -ENOMEM;
4819}
4820
4821static void bnx2x_gunzip_end(struct bnx2x *bp)
4822{
4823 kfree(bp->strm->workspace);
4824
4825 kfree(bp->strm);
4826 bp->strm = NULL;
4827
4828 if (bp->gunzip_buf) {
4829 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4830 bp->gunzip_mapping);
4831 bp->gunzip_buf = NULL;
4832 }
4833}
4834
4835static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len)
4836{
4837 int n, rc;
4838
4839 /* check gzip header */
4840 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED))
4841 return -EINVAL;
4842
4843 n = 10;
4844
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004845#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004846
4847 if (zbuf[3] & FNAME)
4848 while ((zbuf[n++] != 0) && (n < len));
4849
4850 bp->strm->next_in = zbuf + n;
4851 bp->strm->avail_in = len - n;
4852 bp->strm->next_out = bp->gunzip_buf;
4853 bp->strm->avail_out = FW_BUF_SIZE;
4854
4855 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4856 if (rc != Z_OK)
4857 return rc;
4858
4859 rc = zlib_inflate(bp->strm, Z_FINISH);
4860 if ((rc != Z_OK) && (rc != Z_STREAM_END))
4861 printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n",
4862 bp->dev->name, bp->strm->msg);
4863
4864 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4865 if (bp->gunzip_outlen & 0x3)
4866 printk(KERN_ERR PFX "%s: Firmware decompression error:"
4867 " gunzip_outlen (%d) not aligned\n",
4868 bp->dev->name, bp->gunzip_outlen);
4869 bp->gunzip_outlen >>= 2;
4870
4871 zlib_inflateEnd(bp->strm);
4872
4873 if (rc == Z_STREAM_END)
4874 return 0;
4875
4876 return rc;
4877}
4878
4879/* nic load/unload */
4880
4881/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004882 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004883 */
4884
4885/* send a NIG loopback debug packet */
4886static void bnx2x_lb_pckt(struct bnx2x *bp)
4887{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004888 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004889
4890 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004891 wb_write[0] = 0x55555555;
4892 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004893 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004894 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004895
4896 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004897 wb_write[0] = 0x09000000;
4898 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004899 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004900 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004901}
4902
4903/* some of the internal memories
4904 * are not directly readable from the driver
4905 * to test them we send debug packets
4906 */
4907static int bnx2x_int_mem_test(struct bnx2x *bp)
4908{
4909 int factor;
4910 int count, i;
4911 u32 val = 0;
4912
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004913 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004914 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004915 else if (CHIP_REV_IS_EMUL(bp))
4916 factor = 200;
4917 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004918 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004919
4920 DP(NETIF_MSG_HW, "start part1\n");
4921
4922 /* Disable inputs of parser neighbor blocks */
4923 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4924 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4925 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004926 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004927
4928 /* Write 0 to parser credits for CFC search request */
4929 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4930
4931 /* send Ethernet packet */
4932 bnx2x_lb_pckt(bp);
4933
4934 /* TODO do i reset NIG statistic? */
4935 /* Wait until NIG register shows 1 packet of size 0x10 */
4936 count = 1000 * factor;
4937 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004938
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004939 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4940 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004941 if (val == 0x10)
4942 break;
4943
4944 msleep(10);
4945 count--;
4946 }
4947 if (val != 0x10) {
4948 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4949 return -1;
4950 }
4951
4952 /* Wait until PRS register shows 1 packet */
4953 count = 1000 * factor;
4954 while (count) {
4955 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004956 if (val == 1)
4957 break;
4958
4959 msleep(10);
4960 count--;
4961 }
4962 if (val != 0x1) {
4963 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4964 return -2;
4965 }
4966
4967 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004968 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004969 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004970 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004971 msleep(50);
4972 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
4973 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
4974
4975 DP(NETIF_MSG_HW, "part2\n");
4976
4977 /* Disable inputs of parser neighbor blocks */
4978 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4979 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4980 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004981 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004982
4983 /* Write 0 to parser credits for CFC search request */
4984 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4985
4986 /* send 10 Ethernet packets */
4987 for (i = 0; i < 10; i++)
4988 bnx2x_lb_pckt(bp);
4989
4990 /* Wait until NIG register shows 10 + 1
4991 packets of size 11*0x10 = 0xb0 */
4992 count = 1000 * factor;
4993 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004994
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004995 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4996 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004997 if (val == 0xb0)
4998 break;
4999
5000 msleep(10);
5001 count--;
5002 }
5003 if (val != 0xb0) {
5004 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5005 return -3;
5006 }
5007
5008 /* Wait until PRS register shows 2 packets */
5009 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5010 if (val != 2)
5011 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5012
5013 /* Write 1 to parser credits for CFC search request */
5014 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
5015
5016 /* Wait until PRS register shows 3 packets */
5017 msleep(10 * factor);
5018 /* Wait until NIG register shows 1 packet of size 0x10 */
5019 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5020 if (val != 3)
5021 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5022
5023 /* clear NIG EOP FIFO */
5024 for (i = 0; i < 11; i++)
5025 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
5026 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
5027 if (val != 1) {
5028 BNX2X_ERR("clear of NIG failed\n");
5029 return -4;
5030 }
5031
5032 /* Reset and init BRB, PRS, NIG */
5033 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
5034 msleep(50);
5035 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
5036 msleep(50);
5037 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5038 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5039#ifndef BCM_ISCSI
5040 /* set NIC mode */
5041 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5042#endif
5043
5044 /* Enable inputs of parser neighbor blocks */
5045 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
5046 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
5047 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005048 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005049
5050 DP(NETIF_MSG_HW, "done\n");
5051
5052 return 0; /* OK */
5053}
5054
5055static void enable_blocks_attention(struct bnx2x *bp)
5056{
5057 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5058 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
5059 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5060 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5061 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
5062 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
5063 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
5064 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
5065 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005066/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
5067/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005068 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
5069 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
5070 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005071/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
5072/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005073 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
5074 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
5075 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
5076 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005077/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
5078/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
5079 if (CHIP_REV_IS_FPGA(bp))
5080 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
5081 else
5082 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005083 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
5084 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
5085 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005086/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
5087/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005088 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
5089 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005090/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
5091 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005092}
5093
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005094
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005095static int bnx2x_init_common(struct bnx2x *bp)
5096{
5097 u32 val, i;
5098
5099 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_FUNC(bp));
5100
5101 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
5102 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
5103
5104 bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END);
5105 if (CHIP_IS_E1H(bp))
5106 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_E1HMF(bp));
5107
5108 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100);
5109 msleep(30);
5110 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0);
5111
5112 bnx2x_init_block(bp, PXP_COMMON_START, PXP_COMMON_END);
5113 if (CHIP_IS_E1(bp)) {
5114 /* enable HW interrupt from PXP on USDM overflow
5115 bit 16 on INT_MASK_0 */
5116 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005117 }
5118
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005119 bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END);
5120 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005121
5122#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005123 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5124 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5125 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5126 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5127 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
5128 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005129
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005130/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5131 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5132 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5133 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5134 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005135#endif
5136
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005137 REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005138#ifdef BCM_ISCSI
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005139 REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5);
5140 REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5);
5141 REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005142#endif
5143
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005144 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5145 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005146
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005147 /* let the HW do it's magic ... */
5148 msleep(100);
5149 /* finish PXP init */
5150 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5151 if (val != 1) {
5152 BNX2X_ERR("PXP2 CFG failed\n");
5153 return -EBUSY;
5154 }
5155 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5156 if (val != 1) {
5157 BNX2X_ERR("PXP2 RD_INIT failed\n");
5158 return -EBUSY;
5159 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005160
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005161 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5162 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005163
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005164 bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005165
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005166 /* clean the DMAE memory */
5167 bp->dmae_ready = 1;
5168 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005169
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005170 bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END);
5171 bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END);
5172 bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END);
5173 bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005174
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005175 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5176 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5177 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5178 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5179
5180 bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END);
5181 /* soft reset pulse */
5182 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5183 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005184
5185#ifdef BCM_ISCSI
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005186 bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005187#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005188
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005189 bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END);
5190 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_SHIFT);
5191 if (!CHIP_REV_IS_SLOW(bp)) {
5192 /* enable hw interrupt from doorbell Q */
5193 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5194 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005195
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005196 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5197 if (CHIP_REV_IS_SLOW(bp)) {
5198 /* fix for emulation and FPGA for no pause */
5199 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0, 513);
5200 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_1, 513);
5201 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0, 0);
5202 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_1, 0);
5203 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005204
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005205 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005206 /* set NIC mode */
5207 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005208 if (CHIP_IS_E1H(bp))
5209 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_E1HMF(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005210
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005211 bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END);
5212 bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END);
5213 bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END);
5214 bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005215
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005216 if (CHIP_IS_E1H(bp)) {
5217 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5218 STORM_INTMEM_SIZE_E1H/2);
5219 bnx2x_init_fill(bp,
5220 TSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5221 0, STORM_INTMEM_SIZE_E1H/2);
5222 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5223 STORM_INTMEM_SIZE_E1H/2);
5224 bnx2x_init_fill(bp,
5225 CSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5226 0, STORM_INTMEM_SIZE_E1H/2);
5227 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5228 STORM_INTMEM_SIZE_E1H/2);
5229 bnx2x_init_fill(bp,
5230 XSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5231 0, STORM_INTMEM_SIZE_E1H/2);
5232 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5233 STORM_INTMEM_SIZE_E1H/2);
5234 bnx2x_init_fill(bp,
5235 USTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5236 0, STORM_INTMEM_SIZE_E1H/2);
5237 } else { /* E1 */
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005238 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5239 STORM_INTMEM_SIZE_E1);
5240 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5241 STORM_INTMEM_SIZE_E1);
5242 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5243 STORM_INTMEM_SIZE_E1);
5244 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5245 STORM_INTMEM_SIZE_E1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005246 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005247
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005248 bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END);
5249 bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END);
5250 bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END);
5251 bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005252
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005253 /* sync semi rtc */
5254 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5255 0x80000000);
5256 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5257 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005258
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005259 bnx2x_init_block(bp, UPB_COMMON_START, UPB_COMMON_END);
5260 bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END);
5261 bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005262
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005263 REG_WR(bp, SRC_REG_SOFT_RST, 1);
5264 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) {
5265 REG_WR(bp, i, 0xc0cac01a);
5266 /* TODO: replace with something meaningful */
5267 }
5268 if (CHIP_IS_E1H(bp))
5269 bnx2x_init_block(bp, SRCH_COMMON_START, SRCH_COMMON_END);
5270 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005271
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005272 if (sizeof(union cdu_context) != 1024)
5273 /* we currently assume that a context is 1024 bytes */
5274 printk(KERN_ALERT PFX "please adjust the size of"
5275 " cdu_context(%ld)\n", (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005276
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005277 bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END);
5278 val = (4 << 24) + (0 << 12) + 1024;
5279 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
5280 if (CHIP_IS_E1(bp)) {
5281 /* !!! fix pxp client crdit until excel update */
5282 REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264);
5283 REG_WR(bp, CDU_REG_CDU_DEBUG, 0);
5284 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005285
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005286 bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END);
5287 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005288
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005289 bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END);
5290 bnx2x_init_block(bp, MISC_AEU_COMMON_START, MISC_AEU_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005291
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005292 /* PXPCS COMMON comes here */
5293 /* Reset PCIE errors for debug */
5294 REG_WR(bp, 0x2814, 0xffffffff);
5295 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005296
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005297 /* EMAC0 COMMON comes here */
5298 /* EMAC1 COMMON comes here */
5299 /* DBU COMMON comes here */
5300 /* DBG COMMON comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005301
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005302 bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END);
5303 if (CHIP_IS_E1H(bp)) {
5304 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_E1HMF(bp));
5305 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_E1HMF(bp));
5306 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005307
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005308 if (CHIP_REV_IS_SLOW(bp))
5309 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005310
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005311 /* finish CFC init */
5312 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5313 if (val != 1) {
5314 BNX2X_ERR("CFC LL_INIT failed\n");
5315 return -EBUSY;
5316 }
5317 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5318 if (val != 1) {
5319 BNX2X_ERR("CFC AC_INIT failed\n");
5320 return -EBUSY;
5321 }
5322 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5323 if (val != 1) {
5324 BNX2X_ERR("CFC CAM_INIT failed\n");
5325 return -EBUSY;
5326 }
5327 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005328
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005329 /* read NIG statistic
5330 to see if this is our first up since powerup */
5331 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5332 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005333
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005334 /* do internal memory self test */
5335 if ((CHIP_IS_E1(bp)) && (val == 0) && bnx2x_int_mem_test(bp)) {
5336 BNX2X_ERR("internal mem self test failed\n");
5337 return -EBUSY;
5338 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005339
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005340 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
Eilon Greenstein7add9052008-08-25 15:20:48 -07005341 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005342 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5343 /* Fan failure is indicated by SPIO 5 */
5344 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
5345 MISC_REGISTERS_SPIO_INPUT_HI_Z);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005346
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005347 /* set to active low mode */
5348 val = REG_RD(bp, MISC_REG_SPIO_INT);
5349 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Eliezer Tamirf1410642008-02-28 11:51:50 -08005350 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005351 REG_WR(bp, MISC_REG_SPIO_INT, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005352
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005353 /* enable interrupt to signal the IGU */
5354 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
5355 val |= (1 << MISC_REGISTERS_SPIO_5);
5356 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
5357 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08005358
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005359 default:
5360 break;
5361 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08005362
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005363 /* clear PXP2 attentions */
5364 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005365
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005366 enable_blocks_attention(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005367
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005368 if (bp->flags & TPA_ENABLE_FLAG) {
5369 struct tstorm_eth_tpa_exist tmp = {0};
5370
5371 tmp.tpa_exist = 1;
5372
5373 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET,
5374 ((u32 *)&tmp)[0]);
5375 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET + 4,
5376 ((u32 *)&tmp)[1]);
5377 }
5378
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005379 if (!BP_NOMCP(bp)) {
5380 bnx2x_acquire_phy_lock(bp);
5381 bnx2x_common_init_phy(bp, bp->common.shmem_base);
5382 bnx2x_release_phy_lock(bp);
5383 } else
5384 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5385
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005386 return 0;
5387}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005388
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005389static int bnx2x_init_port(struct bnx2x *bp)
5390{
5391 int port = BP_PORT(bp);
5392 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005393
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005394 DP(BNX2X_MSG_MCP, "starting port init port %x\n", port);
5395
5396 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005397
5398 /* Port PXP comes here */
5399 /* Port PXP2 comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005400#ifdef BCM_ISCSI
5401 /* Port0 1
5402 * Port1 385 */
5403 i++;
5404 wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping);
5405 wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping);
5406 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5407 REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i));
5408
5409 /* Port0 2
5410 * Port1 386 */
5411 i++;
5412 wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping);
5413 wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping);
5414 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5415 REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i));
5416
5417 /* Port0 3
5418 * Port1 387 */
5419 i++;
5420 wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping);
5421 wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping);
5422 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5423 REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i));
5424#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005425 /* Port CMs come here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005426
5427 /* Port QM comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005428#ifdef BCM_ISCSI
5429 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20);
5430 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31);
5431
5432 bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START,
5433 func ? TIMERS_PORT1_END : TIMERS_PORT0_END);
5434#endif
5435 /* Port DQ comes here */
5436 /* Port BRB1 comes here */
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005437 /* Port PRS comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005438 /* Port TSDM comes here */
5439 /* Port CSDM comes here */
5440 /* Port USDM comes here */
5441 /* Port XSDM comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005442 bnx2x_init_block(bp, port ? TSEM_PORT1_START : TSEM_PORT0_START,
5443 port ? TSEM_PORT1_END : TSEM_PORT0_END);
5444 bnx2x_init_block(bp, port ? USEM_PORT1_START : USEM_PORT0_START,
5445 port ? USEM_PORT1_END : USEM_PORT0_END);
5446 bnx2x_init_block(bp, port ? CSEM_PORT1_START : CSEM_PORT0_START,
5447 port ? CSEM_PORT1_END : CSEM_PORT0_END);
5448 bnx2x_init_block(bp, port ? XSEM_PORT1_START : XSEM_PORT0_START,
5449 port ? XSEM_PORT1_END : XSEM_PORT0_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005450 /* Port UPB comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005451 /* Port XPB comes here */
5452
5453 bnx2x_init_block(bp, port ? PBF_PORT1_START : PBF_PORT0_START,
5454 port ? PBF_PORT1_END : PBF_PORT0_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005455
5456 /* configure PBF to work without PAUSE mtu 9000 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005457 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005458
5459 /* update threshold */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005460 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005461 /* update init credit */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005462 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005463
5464 /* probe changes */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005465 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005466 msleep(5);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005467 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005468
5469#ifdef BCM_ISCSI
5470 /* tell the searcher where the T2 table is */
5471 REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64);
5472
5473 wb_write[0] = U64_LO(bp->t2_mapping);
5474 wb_write[1] = U64_HI(bp->t2_mapping);
5475 REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2);
5476 wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64);
5477 wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64);
5478 REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2);
5479
5480 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10);
5481 /* Port SRCH comes here */
5482#endif
5483 /* Port CDU comes here */
5484 /* Port CFC comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005485
5486 if (CHIP_IS_E1(bp)) {
5487 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5488 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5489 }
5490 bnx2x_init_block(bp, port ? HC_PORT1_START : HC_PORT0_START,
5491 port ? HC_PORT1_END : HC_PORT0_END);
5492
5493 bnx2x_init_block(bp, port ? MISC_AEU_PORT1_START :
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005494 MISC_AEU_PORT0_START,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005495 port ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END);
5496 /* init aeu_mask_attn_func_0/1:
5497 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5498 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5499 * bits 4-7 are used for "per vn group attention" */
5500 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4,
5501 (IS_E1HMF(bp) ? 0xF7 : 0x7));
5502
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005503 /* Port PXPCS comes here */
5504 /* Port EMAC0 comes here */
5505 /* Port EMAC1 comes here */
5506 /* Port DBU comes here */
5507 /* Port DBG comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005508 bnx2x_init_block(bp, port ? NIG_PORT1_START : NIG_PORT0_START,
5509 port ? NIG_PORT1_END : NIG_PORT0_END);
5510
5511 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5512
5513 if (CHIP_IS_E1H(bp)) {
5514 u32 wsum;
5515 struct cmng_struct_per_port m_cmng_port;
5516 int vn;
5517
5518 /* 0x2 disable e1hov, 0x1 enable */
5519 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
5520 (IS_E1HMF(bp) ? 0x1 : 0x2));
5521
5522 /* Init RATE SHAPING and FAIRNESS contexts.
5523 Initialize as if there is 10G link. */
5524 wsum = bnx2x_calc_vn_wsum(bp);
5525 bnx2x_init_port_minmax(bp, (int)wsum, 10000, &m_cmng_port);
5526 if (IS_E1HMF(bp))
5527 for (vn = VN_0; vn < E1HVN_MAX; vn++)
5528 bnx2x_init_vn_minmax(bp, 2*vn + port,
5529 wsum, 10000, &m_cmng_port);
5530 }
5531
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005532 /* Port MCP comes here */
5533 /* Port DMAE comes here */
5534
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005535 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
Eilon Greenstein7add9052008-08-25 15:20:48 -07005536 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G:
Eliezer Tamirf1410642008-02-28 11:51:50 -08005537 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5538 /* add SPIO 5 to group 0 */
5539 val = REG_RD(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5540 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
5541 REG_WR(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0, val);
5542 break;
5543
5544 default:
5545 break;
5546 }
5547
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07005548 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005549
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005550 return 0;
5551}
5552
5553#define ILT_PER_FUNC (768/2)
5554#define FUNC_ILT_BASE(func) (func * ILT_PER_FUNC)
5555/* the phys address is shifted right 12 bits and has an added
5556 1=valid bit added to the 53rd bit
5557 then since this is a wide register(TM)
5558 we split it into two 32 bit writes
5559 */
5560#define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF))
5561#define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44)))
5562#define PXP_ONE_ILT(x) (((x) << 10) | x)
5563#define PXP_ILT_RANGE(f, l) (((l) << 10) | f)
5564
5565#define CNIC_ILT_LINES 0
5566
5567static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5568{
5569 int reg;
5570
5571 if (CHIP_IS_E1H(bp))
5572 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5573 else /* E1 */
5574 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
5575
5576 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5577}
5578
5579static int bnx2x_init_func(struct bnx2x *bp)
5580{
5581 int port = BP_PORT(bp);
5582 int func = BP_FUNC(bp);
5583 int i;
5584
5585 DP(BNX2X_MSG_MCP, "starting func init func %x\n", func);
5586
5587 i = FUNC_ILT_BASE(func);
5588
5589 bnx2x_ilt_wr(bp, i, bnx2x_sp_mapping(bp, context));
5590 if (CHIP_IS_E1H(bp)) {
5591 REG_WR(bp, PXP2_REG_RQ_CDU_FIRST_ILT, i);
5592 REG_WR(bp, PXP2_REG_RQ_CDU_LAST_ILT, i + CNIC_ILT_LINES);
5593 } else /* E1 */
5594 REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4,
5595 PXP_ILT_RANGE(i, i + CNIC_ILT_LINES));
5596
5597
5598 if (CHIP_IS_E1H(bp)) {
5599 for (i = 0; i < 9; i++)
5600 bnx2x_init_block(bp,
5601 cm_start[func][i], cm_end[func][i]);
5602
5603 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
5604 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->e1hov);
5605 }
5606
5607 /* HC init per function */
5608 if (CHIP_IS_E1H(bp)) {
5609 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5610
5611 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5612 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5613 }
5614 bnx2x_init_block(bp, hc_limits[func][0], hc_limits[func][1]);
5615
5616 if (CHIP_IS_E1H(bp))
5617 REG_WR(bp, HC_REG_FUNC_NUM_P0 + port*4, func);
5618
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005619 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005620 REG_WR(bp, 0x2114, 0xffffffff);
5621 REG_WR(bp, 0x2120, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005622
5623 return 0;
5624}
5625
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005626static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5627{
5628 int i, rc = 0;
5629
5630 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
5631 BP_FUNC(bp), load_code);
5632
5633 bp->dmae_ready = 0;
5634 mutex_init(&bp->dmae_mutex);
5635 bnx2x_gunzip_init(bp);
5636
5637 switch (load_code) {
5638 case FW_MSG_CODE_DRV_LOAD_COMMON:
5639 rc = bnx2x_init_common(bp);
5640 if (rc)
5641 goto init_hw_err;
5642 /* no break */
5643
5644 case FW_MSG_CODE_DRV_LOAD_PORT:
5645 bp->dmae_ready = 1;
5646 rc = bnx2x_init_port(bp);
5647 if (rc)
5648 goto init_hw_err;
5649 /* no break */
5650
5651 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5652 bp->dmae_ready = 1;
5653 rc = bnx2x_init_func(bp);
5654 if (rc)
5655 goto init_hw_err;
5656 break;
5657
5658 default:
5659 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5660 break;
5661 }
5662
5663 if (!BP_NOMCP(bp)) {
5664 int func = BP_FUNC(bp);
5665
5666 bp->fw_drv_pulse_wr_seq =
5667 (SHMEM_RD(bp, func_mb[func].drv_pulse_mb) &
5668 DRV_PULSE_SEQ_MASK);
5669 bp->func_stx = SHMEM_RD(bp, func_mb[func].fw_mb_param);
5670 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x func_stx 0x%x\n",
5671 bp->fw_drv_pulse_wr_seq, bp->func_stx);
5672 } else
5673 bp->func_stx = 0;
5674
5675 /* this needs to be done before gunzip end */
5676 bnx2x_zero_def_sb(bp);
5677 for_each_queue(bp, i)
5678 bnx2x_zero_sb(bp, BP_L_ID(bp) + i);
5679
5680init_hw_err:
5681 bnx2x_gunzip_end(bp);
5682
5683 return rc;
5684}
5685
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005686/* send the MCP a request, block until there is a reply */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005687static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
5688{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005689 int func = BP_FUNC(bp);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005690 u32 seq = ++bp->fw_seq;
5691 u32 rc = 0;
Eilon Greenstein19680c42008-08-13 15:47:33 -07005692 u32 cnt = 1;
5693 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005694
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005695 SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq));
Eliezer Tamirf1410642008-02-28 11:51:50 -08005696 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005697
Eilon Greenstein19680c42008-08-13 15:47:33 -07005698 do {
5699 /* let the FW do it's magic ... */
5700 msleep(delay);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005701
Eilon Greenstein19680c42008-08-13 15:47:33 -07005702 rc = SHMEM_RD(bp, func_mb[func].fw_mb_header);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005703
Eilon Greenstein19680c42008-08-13 15:47:33 -07005704 /* Give the FW up to 2 second (200*10ms) */
5705 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 200));
5706
5707 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
5708 cnt*delay, rc, seq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005709
5710 /* is this a reply to our command? */
5711 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) {
5712 rc &= FW_MSG_CODE_MASK;
Eliezer Tamirf1410642008-02-28 11:51:50 -08005713
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005714 } else {
5715 /* FW BUG! */
5716 BNX2X_ERR("FW failed to respond!\n");
5717 bnx2x_fw_dump(bp);
5718 rc = 0;
5719 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08005720
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005721 return rc;
5722}
5723
5724static void bnx2x_free_mem(struct bnx2x *bp)
5725{
5726
5727#define BNX2X_PCI_FREE(x, y, size) \
5728 do { \
5729 if (x) { \
5730 pci_free_consistent(bp->pdev, size, x, y); \
5731 x = NULL; \
5732 y = 0; \
5733 } \
5734 } while (0)
5735
5736#define BNX2X_FREE(x) \
5737 do { \
5738 if (x) { \
5739 vfree(x); \
5740 x = NULL; \
5741 } \
5742 } while (0)
5743
5744 int i;
5745
5746 /* fastpath */
5747 for_each_queue(bp, i) {
5748
5749 /* Status blocks */
5750 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk),
5751 bnx2x_fp(bp, i, status_blk_mapping),
5752 sizeof(struct host_status_block) +
5753 sizeof(struct eth_tx_db_data));
5754
5755 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5756 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
5757 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
5758 bnx2x_fp(bp, i, tx_desc_mapping),
5759 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5760
5761 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5762 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5763 bnx2x_fp(bp, i, rx_desc_mapping),
5764 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5765
5766 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5767 bnx2x_fp(bp, i, rx_comp_mapping),
5768 sizeof(struct eth_fast_path_rx_cqe) *
5769 NUM_RCQ_BD);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005770
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005771 /* SGE ring */
Eilon Greenstein32626232008-08-13 15:51:07 -07005772 BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005773 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5774 bnx2x_fp(bp, i, rx_sge_mapping),
5775 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5776 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005777 /* end of fastpath */
5778
5779 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005780 sizeof(struct host_def_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005781
5782 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005783 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005784
5785#ifdef BCM_ISCSI
5786 BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024);
5787 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024);
5788 BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024);
5789 BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024);
5790#endif
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005791 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005792
5793#undef BNX2X_PCI_FREE
5794#undef BNX2X_KFREE
5795}
5796
5797static int bnx2x_alloc_mem(struct bnx2x *bp)
5798{
5799
5800#define BNX2X_PCI_ALLOC(x, y, size) \
5801 do { \
5802 x = pci_alloc_consistent(bp->pdev, size, y); \
5803 if (x == NULL) \
5804 goto alloc_mem_err; \
5805 memset(x, 0, size); \
5806 } while (0)
5807
5808#define BNX2X_ALLOC(x, size) \
5809 do { \
5810 x = vmalloc(size); \
5811 if (x == NULL) \
5812 goto alloc_mem_err; \
5813 memset(x, 0, size); \
5814 } while (0)
5815
5816 int i;
5817
5818 /* fastpath */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005819 for_each_queue(bp, i) {
5820 bnx2x_fp(bp, i, bp) = bp;
5821
5822 /* Status blocks */
5823 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk),
5824 &bnx2x_fp(bp, i, status_blk_mapping),
5825 sizeof(struct host_status_block) +
5826 sizeof(struct eth_tx_db_data));
5827
5828 bnx2x_fp(bp, i, hw_tx_prods) =
5829 (void *)(bnx2x_fp(bp, i, status_blk) + 1);
5830
5831 bnx2x_fp(bp, i, tx_prods_mapping) =
5832 bnx2x_fp(bp, i, status_blk_mapping) +
5833 sizeof(struct host_status_block);
5834
5835 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5836 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
5837 sizeof(struct sw_tx_bd) * NUM_TX_BD);
5838 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
5839 &bnx2x_fp(bp, i, tx_desc_mapping),
5840 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5841
5842 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
5843 sizeof(struct sw_rx_bd) * NUM_RX_BD);
5844 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
5845 &bnx2x_fp(bp, i, rx_desc_mapping),
5846 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5847
5848 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
5849 &bnx2x_fp(bp, i, rx_comp_mapping),
5850 sizeof(struct eth_fast_path_rx_cqe) *
5851 NUM_RCQ_BD);
5852
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005853 /* SGE ring */
5854 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
5855 sizeof(struct sw_rx_page) * NUM_RX_SGE);
5856 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
5857 &bnx2x_fp(bp, i, rx_sge_mapping),
5858 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005859 }
5860 /* end of fastpath */
5861
5862 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
5863 sizeof(struct host_def_status_block));
5864
5865 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5866 sizeof(struct bnx2x_slowpath));
5867
5868#ifdef BCM_ISCSI
5869 BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024);
5870
5871 /* Initialize T1 */
5872 for (i = 0; i < 64*1024; i += 64) {
5873 *(u64 *)((char *)bp->t1 + i + 56) = 0x0UL;
5874 *(u64 *)((char *)bp->t1 + i + 3) = 0x0UL;
5875 }
5876
5877 /* allocate searcher T2 table
5878 we allocate 1/4 of alloc num for T2
5879 (which is not entered into the ILT) */
5880 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024);
5881
5882 /* Initialize T2 */
5883 for (i = 0; i < 16*1024; i += 64)
5884 * (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64;
5885
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005886 /* now fixup the last line in the block to point to the next block */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005887 *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping;
5888
5889 /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */
5890 BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024);
5891
5892 /* QM queues (128*MAX_CONN) */
5893 BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024);
5894#endif
5895
5896 /* Slow path ring */
5897 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5898
5899 return 0;
5900
5901alloc_mem_err:
5902 bnx2x_free_mem(bp);
5903 return -ENOMEM;
5904
5905#undef BNX2X_PCI_ALLOC
5906#undef BNX2X_ALLOC
5907}
5908
5909static void bnx2x_free_tx_skbs(struct bnx2x *bp)
5910{
5911 int i;
5912
5913 for_each_queue(bp, i) {
5914 struct bnx2x_fastpath *fp = &bp->fp[i];
5915
5916 u16 bd_cons = fp->tx_bd_cons;
5917 u16 sw_prod = fp->tx_pkt_prod;
5918 u16 sw_cons = fp->tx_pkt_cons;
5919
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005920 while (sw_cons != sw_prod) {
5921 bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons));
5922 sw_cons++;
5923 }
5924 }
5925}
5926
5927static void bnx2x_free_rx_skbs(struct bnx2x *bp)
5928{
5929 int i, j;
5930
5931 for_each_queue(bp, j) {
5932 struct bnx2x_fastpath *fp = &bp->fp[j];
5933
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005934 for (i = 0; i < NUM_RX_BD; i++) {
5935 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i];
5936 struct sk_buff *skb = rx_buf->skb;
5937
5938 if (skb == NULL)
5939 continue;
5940
5941 pci_unmap_single(bp->pdev,
5942 pci_unmap_addr(rx_buf, mapping),
5943 bp->rx_buf_use_size,
5944 PCI_DMA_FROMDEVICE);
5945
5946 rx_buf->skb = NULL;
5947 dev_kfree_skb(skb);
5948 }
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005949 if (!fp->disable_tpa)
Eilon Greenstein32626232008-08-13 15:51:07 -07005950 bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ?
5951 ETH_MAX_AGGREGATION_QUEUES_E1 :
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005952 ETH_MAX_AGGREGATION_QUEUES_E1H);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005953 }
5954}
5955
5956static void bnx2x_free_skbs(struct bnx2x *bp)
5957{
5958 bnx2x_free_tx_skbs(bp);
5959 bnx2x_free_rx_skbs(bp);
5960}
5961
5962static void bnx2x_free_msix_irqs(struct bnx2x *bp)
5963{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005964 int i, offset = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005965
5966 free_irq(bp->msix_table[0].vector, bp->dev);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005967 DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005968 bp->msix_table[0].vector);
5969
5970 for_each_queue(bp, i) {
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005971 DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq "
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005972 "state %x\n", i, bp->msix_table[i + offset].vector,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005973 bnx2x_fp(bp, i, state));
5974
Eliezer Tamir228241e2008-02-28 11:56:57 -08005975 if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED)
5976 BNX2X_ERR("IRQ of fp #%d being freed while "
5977 "state != closed\n", i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005978
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005979 free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005980 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005981}
5982
5983static void bnx2x_free_irq(struct bnx2x *bp)
5984{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005985 if (bp->flags & USING_MSIX_FLAG) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005986 bnx2x_free_msix_irqs(bp);
5987 pci_disable_msix(bp->pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005988 bp->flags &= ~USING_MSIX_FLAG;
5989
5990 } else
5991 free_irq(bp->pdev->irq, bp->dev);
5992}
5993
5994static int bnx2x_enable_msix(struct bnx2x *bp)
5995{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005996 int i, rc, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005997
5998 bp->msix_table[0].entry = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005999 offset = 1;
6000 DP(NETIF_MSG_IFUP, "msix_table[0].entry = 0 (slowpath)\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006001
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006002 for_each_queue(bp, i) {
6003 int igu_vec = offset + i + BP_L_ID(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006004
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006005 bp->msix_table[i + offset].entry = igu_vec;
6006 DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d "
6007 "(fastpath #%u)\n", i + offset, igu_vec, i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006008 }
6009
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006010 rc = pci_enable_msix(bp->pdev, &bp->msix_table[0],
6011 bp->num_queues + offset);
6012 if (rc) {
6013 DP(NETIF_MSG_IFUP, "MSI-X is not attainable\n");
6014 return -1;
6015 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006016 bp->flags |= USING_MSIX_FLAG;
6017
6018 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006019}
6020
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006021static int bnx2x_req_msix_irqs(struct bnx2x *bp)
6022{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006023 int i, rc, offset = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006024
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006025 rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0,
6026 bp->dev->name, bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006027 if (rc) {
6028 BNX2X_ERR("request sp irq failed\n");
6029 return -EBUSY;
6030 }
6031
6032 for_each_queue(bp, i) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006033 rc = request_irq(bp->msix_table[i + offset].vector,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006034 bnx2x_msix_fp_int, 0,
6035 bp->dev->name, &bp->fp[i]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006036 if (rc) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07006037 BNX2X_ERR("request fp #%d irq failed rc -%d\n",
6038 i + offset, -rc);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006039 bnx2x_free_msix_irqs(bp);
6040 return -EBUSY;
6041 }
6042
6043 bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006044 }
6045
6046 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006047}
6048
6049static int bnx2x_req_irq(struct bnx2x *bp)
6050{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006051 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006052
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006053 rc = request_irq(bp->pdev->irq, bnx2x_interrupt, IRQF_SHARED,
6054 bp->dev->name, bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006055 if (!rc)
6056 bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ;
6057
6058 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006059}
6060
6061/*
6062 * Init service functions
6063 */
6064
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006065static void bnx2x_set_mac_addr_e1(struct bnx2x *bp, int set)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006066{
6067 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006068 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006069
6070 /* CAM allocation
6071 * unicasts 0-31:port0 32-63:port1
6072 * multicast 64-127:port0 128-191:port1
6073 */
6074 config->hdr.length_6b = 2;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006075 config->hdr.offset = port ? 31 : 0;
6076 config->hdr.client_id = BP_CL_ID(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006077 config->hdr.reserved1 = 0;
6078
6079 /* primary MAC */
6080 config->config_table[0].cam_entry.msb_mac_addr =
6081 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6082 config->config_table[0].cam_entry.middle_mac_addr =
6083 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6084 config->config_table[0].cam_entry.lsb_mac_addr =
6085 swab16(*(u16 *)&bp->dev->dev_addr[4]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006086 config->config_table[0].cam_entry.flags = cpu_to_le16(port);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006087 if (set)
6088 config->config_table[0].target_table_entry.flags = 0;
6089 else
6090 CAM_INVALIDATE(config->config_table[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006091 config->config_table[0].target_table_entry.client_id = 0;
6092 config->config_table[0].target_table_entry.vlan_id = 0;
6093
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006094 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)\n",
6095 (set ? "setting" : "clearing"),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006096 config->config_table[0].cam_entry.msb_mac_addr,
6097 config->config_table[0].cam_entry.middle_mac_addr,
6098 config->config_table[0].cam_entry.lsb_mac_addr);
6099
6100 /* broadcast */
6101 config->config_table[1].cam_entry.msb_mac_addr = 0xffff;
6102 config->config_table[1].cam_entry.middle_mac_addr = 0xffff;
6103 config->config_table[1].cam_entry.lsb_mac_addr = 0xffff;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006104 config->config_table[1].cam_entry.flags = cpu_to_le16(port);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006105 if (set)
6106 config->config_table[1].target_table_entry.flags =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006107 TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST;
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006108 else
6109 CAM_INVALIDATE(config->config_table[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006110 config->config_table[1].target_table_entry.client_id = 0;
6111 config->config_table[1].target_table_entry.vlan_id = 0;
6112
6113 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6114 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6115 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6116}
6117
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006118static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp, int set)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006119{
6120 struct mac_configuration_cmd_e1h *config =
6121 (struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config);
6122
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006123 if (set && (bp->state != BNX2X_STATE_OPEN)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006124 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
6125 return;
6126 }
6127
6128 /* CAM allocation for E1H
6129 * unicasts: by func number
6130 * multicast: 20+FUNC*20, 20 each
6131 */
6132 config->hdr.length_6b = 1;
6133 config->hdr.offset = BP_FUNC(bp);
6134 config->hdr.client_id = BP_CL_ID(bp);
6135 config->hdr.reserved1 = 0;
6136
6137 /* primary MAC */
6138 config->config_table[0].msb_mac_addr =
6139 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6140 config->config_table[0].middle_mac_addr =
6141 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6142 config->config_table[0].lsb_mac_addr =
6143 swab16(*(u16 *)&bp->dev->dev_addr[4]);
6144 config->config_table[0].client_id = BP_L_ID(bp);
6145 config->config_table[0].vlan_id = 0;
6146 config->config_table[0].e1hov_id = cpu_to_le16(bp->e1hov);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006147 if (set)
6148 config->config_table[0].flags = BP_PORT(bp);
6149 else
6150 config->config_table[0].flags =
6151 MAC_CONFIGURATION_ENTRY_E1H_ACTION_TYPE;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006152
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006153 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) E1HOV %d CLID %d\n",
6154 (set ? "setting" : "clearing"),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006155 config->config_table[0].msb_mac_addr,
6156 config->config_table[0].middle_mac_addr,
6157 config->config_table[0].lsb_mac_addr, bp->e1hov, BP_L_ID(bp));
6158
6159 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6160 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6161 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6162}
6163
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006164static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6165 int *state_p, int poll)
6166{
6167 /* can take a while if any port is running */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006168 int cnt = 500;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006169
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006170 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6171 poll ? "polling" : "waiting", state, idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006172
6173 might_sleep();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006174 while (cnt--) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006175 if (poll) {
6176 bnx2x_rx_int(bp->fp, 10);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006177 /* if index is different from 0
6178 * the reply for some commands will
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006179 * be on the non default queue
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006180 */
6181 if (idx)
6182 bnx2x_rx_int(&bp->fp[idx], 10);
6183 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006184
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006185 mb(); /* state is changed by bnx2x_sp_event() */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006186 if (*state_p == state)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006187 return 0;
6188
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006189 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006190 }
6191
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006192 /* timeout! */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006193 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6194 poll ? "polling" : "waiting", state, idx);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006195#ifdef BNX2X_STOP_ON_ERROR
6196 bnx2x_panic();
6197#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006198
Eliezer Tamir49d66772008-02-28 11:53:13 -08006199 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006200}
6201
6202static int bnx2x_setup_leading(struct bnx2x *bp)
6203{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006204 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006205
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006206 /* reset IGU state */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006207 bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006208
6209 /* SETUP ramrod */
6210 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0);
6211
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006212 /* Wait for completion */
6213 rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006214
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006215 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006216}
6217
6218static int bnx2x_setup_multi(struct bnx2x *bp, int index)
6219{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006220 /* reset IGU state */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006221 bnx2x_ack_sb(bp, bp->fp[index].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006222
Eliezer Tamir228241e2008-02-28 11:56:57 -08006223 /* SETUP ramrod */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006224 bp->fp[index].state = BNX2X_FP_STATE_OPENING;
6225 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0);
6226
6227 /* Wait for completion */
6228 return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index,
Eliezer Tamir228241e2008-02-28 11:56:57 -08006229 &(bp->fp[index].state), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006230}
6231
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006232static int bnx2x_poll(struct napi_struct *napi, int budget);
6233static void bnx2x_set_rx_mode(struct net_device *dev);
6234
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006235/* must be called with rtnl_lock */
6236static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006237{
Eliezer Tamir228241e2008-02-28 11:56:57 -08006238 u32 load_code;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006239 int i, rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006240#ifdef BNX2X_STOP_ON_ERROR
6241 if (unlikely(bp->panic))
6242 return -EPERM;
6243#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006244
6245 bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;
6246
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006247 /* Send LOAD_REQUEST command to MCP
6248 Returns the type of LOAD command:
6249 if it is the first port to be initialized
6250 common blocks should be initialized, otherwise - not
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006251 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006252 if (!BP_NOMCP(bp)) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08006253 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ);
6254 if (!load_code) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006255 BNX2X_ERR("MCP response failure, aborting\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08006256 return -EBUSY;
6257 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006258 if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006259 return -EBUSY; /* other port in diagnostic mode */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006260
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006261 } else {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006262 int port = BP_PORT(bp);
6263
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006264 DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n",
6265 load_count[0], load_count[1], load_count[2]);
6266 load_count[0]++;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006267 load_count[1 + port]++;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006268 DP(NETIF_MSG_IFUP, "NO MCP new load counts %d, %d, %d\n",
6269 load_count[0], load_count[1], load_count[2]);
6270 if (load_count[0] == 1)
6271 load_code = FW_MSG_CODE_DRV_LOAD_COMMON;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006272 else if (load_count[1 + port] == 1)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006273 load_code = FW_MSG_CODE_DRV_LOAD_PORT;
6274 else
6275 load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006276 }
6277
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006278 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) ||
6279 (load_code == FW_MSG_CODE_DRV_LOAD_PORT))
6280 bp->port.pmf = 1;
6281 else
6282 bp->port.pmf = 0;
6283 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
6284
6285 /* if we can't use MSI-X we only need one fp,
6286 * so try to enable MSI-X with the requested number of fp's
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006287 * and fallback to inta with one fp
6288 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006289 if (use_inta) {
6290 bp->num_queues = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006291
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006292 } else {
6293 if ((use_multi > 1) && (use_multi <= BP_MAX_QUEUES(bp)))
6294 /* user requested number */
6295 bp->num_queues = use_multi;
6296
6297 else if (use_multi)
6298 bp->num_queues = min_t(u32, num_online_cpus(),
6299 BP_MAX_QUEUES(bp));
6300 else
6301 bp->num_queues = 1;
6302
6303 if (bnx2x_enable_msix(bp)) {
6304 /* failed to enable MSI-X */
6305 bp->num_queues = 1;
6306 if (use_multi)
6307 BNX2X_ERR("Multi requested but failed"
6308 " to enable MSI-X\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006309 }
6310 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006311 DP(NETIF_MSG_IFUP,
6312 "set number of queues to %d\n", bp->num_queues);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006313
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006314 if (bnx2x_alloc_mem(bp))
6315 return -ENOMEM;
6316
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006317 for_each_queue(bp, i)
6318 bnx2x_fp(bp, i, disable_tpa) =
6319 ((bp->flags & TPA_ENABLE_FLAG) == 0);
6320
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006321 if (bp->flags & USING_MSIX_FLAG) {
6322 rc = bnx2x_req_msix_irqs(bp);
6323 if (rc) {
6324 pci_disable_msix(bp->pdev);
6325 goto load_error;
6326 }
6327 } else {
6328 bnx2x_ack_int(bp);
6329 rc = bnx2x_req_irq(bp);
6330 if (rc) {
6331 BNX2X_ERR("IRQ request failed, aborting\n");
6332 goto load_error;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006333 }
6334 }
6335
6336 for_each_queue(bp, i)
6337 netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
6338 bnx2x_poll, 128);
6339
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006340 /* Initialize HW */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006341 rc = bnx2x_init_hw(bp, load_code);
6342 if (rc) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006343 BNX2X_ERR("HW init failed, aborting\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08006344 goto load_error;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006345 }
6346
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006347 /* Setup NIC internals and enable interrupts */
Eilon Greenstein471de712008-08-13 15:49:35 -07006348 bnx2x_nic_init(bp, load_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006349
6350 /* Send LOAD_DONE command to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006351 if (!BP_NOMCP(bp)) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08006352 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE);
6353 if (!load_code) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006354 BNX2X_ERR("MCP response failure, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006355 rc = -EBUSY;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006356 goto load_int_disable;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006357 }
6358 }
6359
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07006360 bnx2x_stats_init(bp);
6361
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006362 bp->state = BNX2X_STATE_OPENING_WAIT4_PORT;
6363
6364 /* Enable Rx interrupt handling before sending the ramrod
6365 as it's completed on Rx FP queue */
6366 for_each_queue(bp, i)
6367 napi_enable(&bnx2x_fp(bp, i, napi));
6368
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006369 /* Enable interrupt handling */
6370 atomic_set(&bp->intr_sem, 0);
6371
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006372 rc = bnx2x_setup_leading(bp);
6373 if (rc) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006374 BNX2X_ERR("Setup leading failed!\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08006375 goto load_stop_netif;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006376 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006377
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006378 if (CHIP_IS_E1H(bp))
6379 if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) {
6380 BNX2X_ERR("!!! mf_cfg function disabled\n");
6381 bp->state = BNX2X_STATE_DISABLED;
6382 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006383
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006384 if (bp->state == BNX2X_STATE_OPEN)
6385 for_each_nondefault_queue(bp, i) {
6386 rc = bnx2x_setup_multi(bp, i);
6387 if (rc)
6388 goto load_stop_netif;
6389 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006390
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006391 if (CHIP_IS_E1(bp))
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006392 bnx2x_set_mac_addr_e1(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006393 else
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006394 bnx2x_set_mac_addr_e1h(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006395
6396 if (bp->port.pmf)
6397 bnx2x_initial_phy_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006398
6399 /* Start fast path */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006400 switch (load_mode) {
6401 case LOAD_NORMAL:
6402 /* Tx queue should be only reenabled */
6403 netif_wake_queue(bp->dev);
6404 bnx2x_set_rx_mode(bp->dev);
6405 break;
6406
6407 case LOAD_OPEN:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006408 netif_start_queue(bp->dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006409 bnx2x_set_rx_mode(bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006410 if (bp->flags & USING_MSIX_FLAG)
6411 printk(KERN_INFO PFX "%s: using MSI-X\n",
6412 bp->dev->name);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006413 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006414
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006415 case LOAD_DIAG:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006416 bnx2x_set_rx_mode(bp->dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006417 bp->state = BNX2X_STATE_DIAG;
6418 break;
6419
6420 default:
6421 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006422 }
6423
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006424 if (!bp->port.pmf)
6425 bnx2x__link_status_update(bp);
6426
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006427 /* start the timer */
6428 mod_timer(&bp->timer, jiffies + bp->current_interval);
6429
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006430
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006431 return 0;
6432
Eliezer Tamir228241e2008-02-28 11:56:57 -08006433load_stop_netif:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006434 for_each_queue(bp, i)
6435 napi_disable(&bnx2x_fp(bp, i, napi));
6436
Eliezer Tamir228241e2008-02-28 11:56:57 -08006437load_int_disable:
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08006438 bnx2x_int_disable_sync(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006439
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006440 /* Release IRQs */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006441 bnx2x_free_irq(bp);
6442
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006443 /* Free SKBs, SGEs, TPA pool and driver internals */
6444 bnx2x_free_skbs(bp);
6445 for_each_queue(bp, i)
Eilon Greenstein3196a882008-08-13 15:58:49 -07006446 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Eliezer Tamir228241e2008-02-28 11:56:57 -08006447load_error:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006448 bnx2x_free_mem(bp);
6449
6450 /* TBD we really need to reset the chip
6451 if we want to recover from this */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006452 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006453}
6454
6455static int bnx2x_stop_multi(struct bnx2x *bp, int index)
6456{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006457 int rc;
6458
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006459 /* halt the connection */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006460 bp->fp[index].state = BNX2X_FP_STATE_HALTING;
6461 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, 0, 0);
6462
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006463 /* Wait for completion */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006464 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006465 &(bp->fp[index].state), 1);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006466 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006467 return rc;
6468
6469 /* delete cfc entry */
6470 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1);
6471
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006472 /* Wait for completion */
6473 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index,
6474 &(bp->fp[index].state), 1);
6475 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006476}
6477
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006478static int bnx2x_stop_leading(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006479{
Eliezer Tamir49d66772008-02-28 11:53:13 -08006480 u16 dsb_sp_prod_idx;
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006481 /* if the other port is handling traffic,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006482 this can take a lot of time */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006483 int cnt = 500;
6484 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006485
6486 might_sleep();
6487
6488 /* Send HALT ramrod */
6489 bp->fp[0].state = BNX2X_FP_STATE_HALTING;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006490 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, BP_CL_ID(bp), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006491
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006492 /* Wait for completion */
6493 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0,
6494 &(bp->fp[0].state), 1);
6495 if (rc) /* timeout */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006496 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006497
Eliezer Tamir49d66772008-02-28 11:53:13 -08006498 dsb_sp_prod_idx = *bp->dsb_sp_prod;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006499
Eliezer Tamir228241e2008-02-28 11:56:57 -08006500 /* Send PORT_DELETE ramrod */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006501 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1);
6502
Eliezer Tamir49d66772008-02-28 11:53:13 -08006503 /* Wait for completion to arrive on default status block
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006504 we are going to reset the chip anyway
6505 so there is not much to do if this times out
6506 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006507 while (dsb_sp_prod_idx == *bp->dsb_sp_prod) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006508 if (!cnt) {
6509 DP(NETIF_MSG_IFDOWN, "timeout waiting for port del "
6510 "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n",
6511 *bp->dsb_sp_prod, dsb_sp_prod_idx);
6512#ifdef BNX2X_STOP_ON_ERROR
6513 bnx2x_panic();
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006514#else
6515 rc = -EBUSY;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006516#endif
6517 break;
6518 }
6519 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006520 msleep(1);
Eliezer Tamir49d66772008-02-28 11:53:13 -08006521 }
6522 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
6523 bp->fp[0].state = BNX2X_FP_STATE_CLOSED;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006524
6525 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006526}
6527
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006528static void bnx2x_reset_func(struct bnx2x *bp)
6529{
6530 int port = BP_PORT(bp);
6531 int func = BP_FUNC(bp);
6532 int base, i;
Eliezer Tamir49d66772008-02-28 11:53:13 -08006533
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006534 /* Configure IGU */
6535 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6536 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6537
6538 REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000);
6539
6540 /* Clear ILT */
6541 base = FUNC_ILT_BASE(func);
6542 for (i = base; i < base + ILT_PER_FUNC; i++)
6543 bnx2x_ilt_wr(bp, i, 0);
6544}
6545
6546static void bnx2x_reset_port(struct bnx2x *bp)
6547{
6548 int port = BP_PORT(bp);
6549 u32 val;
6550
6551 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6552
6553 /* Do not rcv packets to BRB */
6554 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6555 /* Do not direct rcv packets that are not for MCP to the BRB */
6556 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6557 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6558
6559 /* Configure AEU */
6560 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6561
6562 msleep(100);
6563 /* Check for BRB port occupancy */
6564 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6565 if (val)
6566 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07006567 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006568
6569 /* TODO: Close Doorbell port? */
6570}
6571
6572static void bnx2x_reset_common(struct bnx2x *bp)
6573{
6574 /* reset_common */
6575 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6576 0xd3ffff7f);
6577 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
6578}
6579
6580static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6581{
6582 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
6583 BP_FUNC(bp), reset_code);
6584
6585 switch (reset_code) {
6586 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
6587 bnx2x_reset_port(bp);
6588 bnx2x_reset_func(bp);
6589 bnx2x_reset_common(bp);
6590 break;
6591
6592 case FW_MSG_CODE_DRV_UNLOAD_PORT:
6593 bnx2x_reset_port(bp);
6594 bnx2x_reset_func(bp);
6595 break;
6596
6597 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
6598 bnx2x_reset_func(bp);
6599 break;
6600
6601 default:
6602 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
6603 break;
6604 }
6605}
6606
Eilon Greenstein33471622008-08-13 15:59:08 -07006607/* must be called with rtnl_lock */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006608static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006609{
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006610 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006611 u32 reset_code = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006612 int i, cnt, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006613
6614 bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;
6615
Eliezer Tamir228241e2008-02-28 11:56:57 -08006616 bp->rx_mode = BNX2X_RX_MODE_NONE;
6617 bnx2x_set_storm_rx_mode(bp);
6618
6619 if (netif_running(bp->dev)) {
6620 netif_tx_disable(bp->dev);
6621 bp->dev->trans_start = jiffies; /* prevent tx timeout */
6622 }
6623
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006624 del_timer_sync(&bp->timer);
6625 SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb,
6626 (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq));
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07006627 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006628
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006629 /* Wait until tx fast path tasks complete */
Eliezer Tamir228241e2008-02-28 11:56:57 -08006630 for_each_queue(bp, i) {
6631 struct bnx2x_fastpath *fp = &bp->fp[i];
6632
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006633 cnt = 1000;
6634 smp_rmb();
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006635 while (BNX2X_HAS_TX_WORK(fp)) {
6636
6637 if (!netif_running(bp->dev))
6638 bnx2x_tx_int(fp, 1000);
6639
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006640 if (!cnt) {
6641 BNX2X_ERR("timeout waiting for queue[%d]\n",
6642 i);
6643#ifdef BNX2X_STOP_ON_ERROR
6644 bnx2x_panic();
6645 return -EBUSY;
6646#else
6647 break;
6648#endif
6649 }
6650 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006651 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006652 smp_rmb();
6653 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08006654 }
6655
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006656 /* Give HW time to discard old tx messages */
6657 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006658
Eliezer Tamir228241e2008-02-28 11:56:57 -08006659 for_each_queue(bp, i)
6660 napi_disable(&bnx2x_fp(bp, i, napi));
6661 /* Disable interrupts after Tx and Rx are disabled on stack level */
6662 bnx2x_int_disable_sync(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006663
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006664 /* Release IRQs */
6665 bnx2x_free_irq(bp);
6666
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006667 if (unload_mode == UNLOAD_NORMAL)
6668 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006669
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006670 else if (bp->flags & NO_WOL_FLAG) {
6671 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
6672 if (CHIP_IS_E1H(bp))
6673 REG_WR(bp, MISC_REG_E1HMF_MODE, 0);
6674
6675 } else if (bp->wol) {
6676 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006677 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006678 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006679 /* The mac address is written to entries 1-4 to
6680 preserve entry 0 which is used by the PMF */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006681 u8 entry = (BP_E1HVN(bp) + 1)*8;
6682
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006683 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07006684 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006685
6686 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
6687 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07006688 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006689
6690 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006691
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006692 } else
6693 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6694
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006695 if (CHIP_IS_E1(bp)) {
6696 struct mac_configuration_cmd *config =
6697 bnx2x_sp(bp, mcast_config);
6698
6699 bnx2x_set_mac_addr_e1(bp, 0);
6700
6701 for (i = 0; i < config->hdr.length_6b; i++)
6702 CAM_INVALIDATE(config->config_table[i]);
6703
6704 config->hdr.length_6b = i;
6705 if (CHIP_REV_IS_SLOW(bp))
6706 config->hdr.offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
6707 else
6708 config->hdr.offset = BNX2X_MAX_MULTICAST*(1 + port);
6709 config->hdr.client_id = BP_CL_ID(bp);
6710 config->hdr.reserved1 = 0;
6711
6712 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6713 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
6714 U64_LO(bnx2x_sp_mapping(bp, mcast_config)), 0);
6715
6716 } else { /* E1H */
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 (CHIP_IS_E1H(bp))
6724 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
6725
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006726 /* Close multi and leading connections
6727 Completions for ramrods are collected in a synchronous way */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006728 for_each_nondefault_queue(bp, i)
6729 if (bnx2x_stop_multi(bp, i))
Eliezer Tamir228241e2008-02-28 11:56:57 -08006730 goto unload_error;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006731
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006732 rc = bnx2x_stop_leading(bp);
6733 if (rc) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006734 BNX2X_ERR("Stop leading failed!\n");
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006735#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006736 return -EBUSY;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006737#else
6738 goto unload_error;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006739#endif
Eliezer Tamir228241e2008-02-28 11:56:57 -08006740 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006741
Eliezer Tamir228241e2008-02-28 11:56:57 -08006742unload_error:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006743 if (!BP_NOMCP(bp))
Eliezer Tamir228241e2008-02-28 11:56:57 -08006744 reset_code = bnx2x_fw_command(bp, reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006745 else {
6746 DP(NETIF_MSG_IFDOWN, "NO MCP load counts %d, %d, %d\n",
6747 load_count[0], load_count[1], load_count[2]);
6748 load_count[0]--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006749 load_count[1 + port]--;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006750 DP(NETIF_MSG_IFDOWN, "NO MCP new load counts %d, %d, %d\n",
6751 load_count[0], load_count[1], load_count[2]);
6752 if (load_count[0] == 0)
6753 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006754 else if (load_count[1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006755 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
6756 else
6757 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
6758 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006759
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006760 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
6761 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
6762 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006763
6764 /* Reset the chip */
Eliezer Tamir228241e2008-02-28 11:56:57 -08006765 bnx2x_reset_chip(bp, reset_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006766
6767 /* Report UNLOAD_DONE to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006768 if (!BP_NOMCP(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006769 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6770
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006771 /* Free SKBs, SGEs, TPA pool and driver internals */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006772 bnx2x_free_skbs(bp);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006773 for_each_queue(bp, i)
Eilon Greenstein3196a882008-08-13 15:58:49 -07006774 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006775 bnx2x_free_mem(bp);
6776
6777 bp->state = BNX2X_STATE_CLOSED;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006778
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006779 netif_carrier_off(bp->dev);
6780
6781 return 0;
6782}
6783
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006784static void bnx2x_reset_task(struct work_struct *work)
6785{
6786 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task);
6787
6788#ifdef BNX2X_STOP_ON_ERROR
6789 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
6790 " so reset not done to allow debug dump,\n"
6791 KERN_ERR " you will need to reboot when done\n");
6792 return;
6793#endif
6794
6795 rtnl_lock();
6796
6797 if (!netif_running(bp->dev))
6798 goto reset_task_exit;
6799
6800 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
6801 bnx2x_nic_load(bp, LOAD_NORMAL);
6802
6803reset_task_exit:
6804 rtnl_unlock();
6805}
6806
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006807/* end of nic load/unload */
6808
6809/* ethtool_ops */
6810
6811/*
6812 * Init service functions
6813 */
6814
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006815static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006816{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006817 u32 val;
6818
6819 /* Check if there is any driver already loaded */
6820 val = REG_RD(bp, MISC_REG_UNPREPARED);
6821 if (val == 0x1) {
6822 /* Check if it is the UNDI driver
6823 * UNDI driver initializes CID offset for normal bell to 0x7
6824 */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07006825 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006826 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
6827 if (val == 0x7) {
6828 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006829 /* save our func */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006830 int func = BP_FUNC(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006831 u32 swap_en;
6832 u32 swap_val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006833
6834 BNX2X_DEV_INFO("UNDI is active! reset device\n");
6835
6836 /* try unload UNDI on port 0 */
6837 bp->func = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006838 bp->fw_seq =
6839 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6840 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006841 reset_code = bnx2x_fw_command(bp, reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006842
6843 /* if UNDI is loaded on the other port */
6844 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
6845
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006846 /* send "DONE" for previous unload */
6847 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6848
6849 /* unload UNDI on port 1 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006850 bp->func = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006851 bp->fw_seq =
6852 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6853 DRV_MSG_SEQ_NUMBER_MASK);
6854 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006855
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006856 bnx2x_fw_command(bp, reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006857 }
6858
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006859 REG_WR(bp, (BP_PORT(bp) ? HC_REG_CONFIG_1 :
6860 HC_REG_CONFIG_0), 0x1000);
6861
6862 /* close input traffic and wait for it */
6863 /* Do not rcv packets to BRB */
6864 REG_WR(bp,
6865 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
6866 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
6867 /* Do not direct rcv packets that are not for MCP to
6868 * the BRB */
6869 REG_WR(bp,
6870 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
6871 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6872 /* clear AEU */
6873 REG_WR(bp,
6874 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
6875 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
6876 msleep(10);
6877
6878 /* save NIG port swap info */
6879 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
6880 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006881 /* reset device */
6882 REG_WR(bp,
6883 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006884 0xd3ffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006885 REG_WR(bp,
6886 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
6887 0x1403);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006888 /* take the NIG out of reset and restore swap values */
6889 REG_WR(bp,
6890 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6891 MISC_REGISTERS_RESET_REG_1_RST_NIG);
6892 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
6893 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
6894
6895 /* send unload done to the MCP */
6896 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6897
6898 /* restore our func and fw_seq */
6899 bp->func = func;
6900 bp->fw_seq =
6901 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6902 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006903 }
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07006904 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006905 }
6906}
6907
6908static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
6909{
6910 u32 val, val2, val3, val4, id;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07006911 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006912
6913 /* Get the chip revision id and number. */
6914 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
6915 val = REG_RD(bp, MISC_REG_CHIP_NUM);
6916 id = ((val & 0xffff) << 16);
6917 val = REG_RD(bp, MISC_REG_CHIP_REV);
6918 id |= ((val & 0xf) << 12);
6919 val = REG_RD(bp, MISC_REG_CHIP_METAL);
6920 id |= ((val & 0xff) << 4);
6921 REG_RD(bp, MISC_REG_BOND_ID);
6922 id |= (val & 0xf);
6923 bp->common.chip_id = id;
6924 bp->link_params.chip_id = bp->common.chip_id;
6925 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
6926
6927 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
6928 bp->common.flash_size = (NVRAM_1MB_SIZE <<
6929 (val & MCPR_NVM_CFG4_FLASH_SIZE));
6930 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
6931 bp->common.flash_size, bp->common.flash_size);
6932
6933 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
6934 bp->link_params.shmem_base = bp->common.shmem_base;
6935 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
6936
6937 if (!bp->common.shmem_base ||
6938 (bp->common.shmem_base < 0xA0000) ||
6939 (bp->common.shmem_base >= 0xC0000)) {
6940 BNX2X_DEV_INFO("MCP not active\n");
6941 bp->flags |= NO_MCP_FLAG;
6942 return;
6943 }
6944
6945 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
6946 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6947 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6948 BNX2X_ERR("BAD MCP validity signature\n");
6949
6950 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
6951 bp->common.board = SHMEM_RD(bp, dev_info.shared_hw_config.board);
6952
6953 BNX2X_DEV_INFO("hw_config 0x%08x board 0x%08x\n",
6954 bp->common.hw_config, bp->common.board);
6955
6956 bp->link_params.hw_led_mode = ((bp->common.hw_config &
6957 SHARED_HW_CFG_LED_MODE_MASK) >>
6958 SHARED_HW_CFG_LED_MODE_SHIFT);
6959
6960 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
6961 bp->common.bc_ver = val;
6962 BNX2X_DEV_INFO("bc_ver %X\n", val);
6963 if (val < BNX2X_BC_VER) {
6964 /* for now only warn
6965 * later we might need to enforce this */
6966 BNX2X_ERR("This driver needs bc_ver %X but found %X,"
6967 " please upgrade BC\n", BNX2X_BC_VER, val);
6968 }
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07006969
6970 if (BP_E1HVN(bp) == 0) {
6971 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
6972 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
6973 } else {
6974 /* no WOL capability for E1HVN != 0 */
6975 bp->flags |= NO_WOL_FLAG;
6976 }
6977 BNX2X_DEV_INFO("%sWoL capable\n",
6978 (bp->flags & NO_WOL_FLAG) ? "Not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006979
6980 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
6981 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
6982 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
6983 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
6984
6985 printk(KERN_INFO PFX "part number %X-%X-%X-%X\n",
6986 val, val2, val3, val4);
6987}
6988
6989static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
6990 u32 switch_cfg)
6991{
6992 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006993 u32 ext_phy_type;
6994
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006995 switch (switch_cfg) {
6996 case SWITCH_CFG_1G:
6997 BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg);
6998
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07006999 ext_phy_type =
7000 SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007001 switch (ext_phy_type) {
7002 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
7003 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7004 ext_phy_type);
7005
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007006 bp->port.supported |= (SUPPORTED_10baseT_Half |
7007 SUPPORTED_10baseT_Full |
7008 SUPPORTED_100baseT_Half |
7009 SUPPORTED_100baseT_Full |
7010 SUPPORTED_1000baseT_Full |
7011 SUPPORTED_2500baseX_Full |
7012 SUPPORTED_TP |
7013 SUPPORTED_FIBRE |
7014 SUPPORTED_Autoneg |
7015 SUPPORTED_Pause |
7016 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007017 break;
7018
7019 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
7020 BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n",
7021 ext_phy_type);
7022
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007023 bp->port.supported |= (SUPPORTED_10baseT_Half |
7024 SUPPORTED_10baseT_Full |
7025 SUPPORTED_100baseT_Half |
7026 SUPPORTED_100baseT_Full |
7027 SUPPORTED_1000baseT_Full |
7028 SUPPORTED_TP |
7029 SUPPORTED_FIBRE |
7030 SUPPORTED_Autoneg |
7031 SUPPORTED_Pause |
7032 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007033 break;
7034
7035 default:
7036 BNX2X_ERR("NVRAM config error. "
7037 "BAD SerDes ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007038 bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007039 return;
7040 }
7041
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007042 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
7043 port*0x10);
7044 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007045 break;
7046
7047 case SWITCH_CFG_10G:
7048 BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg);
7049
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007050 ext_phy_type =
7051 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007052 switch (ext_phy_type) {
7053 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7054 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7055 ext_phy_type);
7056
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007057 bp->port.supported |= (SUPPORTED_10baseT_Half |
7058 SUPPORTED_10baseT_Full |
7059 SUPPORTED_100baseT_Half |
7060 SUPPORTED_100baseT_Full |
7061 SUPPORTED_1000baseT_Full |
7062 SUPPORTED_2500baseX_Full |
7063 SUPPORTED_10000baseT_Full |
7064 SUPPORTED_TP |
7065 SUPPORTED_FIBRE |
7066 SUPPORTED_Autoneg |
7067 SUPPORTED_Pause |
7068 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007069 break;
7070
7071 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007072 BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007073 ext_phy_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007074
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007075 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7076 SUPPORTED_FIBRE |
7077 SUPPORTED_Pause |
7078 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007079 break;
7080
Eliezer Tamirf1410642008-02-28 11:51:50 -08007081 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7082 BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n",
7083 ext_phy_type);
7084
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007085 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7086 SUPPORTED_1000baseT_Full |
7087 SUPPORTED_FIBRE |
7088 SUPPORTED_Pause |
7089 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007090 break;
7091
7092 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
7093 BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n",
7094 ext_phy_type);
7095
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007096 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7097 SUPPORTED_1000baseT_Full |
7098 SUPPORTED_FIBRE |
7099 SUPPORTED_Autoneg |
7100 SUPPORTED_Pause |
7101 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007102 break;
7103
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007104 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
7105 BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n",
7106 ext_phy_type);
7107
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007108 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7109 SUPPORTED_2500baseX_Full |
7110 SUPPORTED_1000baseT_Full |
7111 SUPPORTED_FIBRE |
7112 SUPPORTED_Autoneg |
7113 SUPPORTED_Pause |
7114 SUPPORTED_Asym_Pause);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007115 break;
7116
Eliezer Tamirf1410642008-02-28 11:51:50 -08007117 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7118 BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n",
7119 ext_phy_type);
7120
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007121 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7122 SUPPORTED_TP |
7123 SUPPORTED_Autoneg |
7124 SUPPORTED_Pause |
7125 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007126 break;
7127
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007128 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7129 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7130 bp->link_params.ext_phy_config);
7131 break;
7132
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007133 default:
7134 BNX2X_ERR("NVRAM config error. "
7135 "BAD XGXS ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007136 bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007137 return;
7138 }
7139
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007140 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
7141 port*0x18);
7142 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007143
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007144 break;
7145
7146 default:
7147 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007148 bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007149 return;
7150 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007151 bp->link_params.phy_addr = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007152
7153 /* mask what we support according to speed_cap_mask */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007154 if (!(bp->link_params.speed_cap_mask &
7155 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007156 bp->port.supported &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007157
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007158 if (!(bp->link_params.speed_cap_mask &
7159 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007160 bp->port.supported &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007161
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007162 if (!(bp->link_params.speed_cap_mask &
7163 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007164 bp->port.supported &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007165
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007166 if (!(bp->link_params.speed_cap_mask &
7167 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007168 bp->port.supported &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007169
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007170 if (!(bp->link_params.speed_cap_mask &
7171 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007172 bp->port.supported &= ~(SUPPORTED_1000baseT_Half |
7173 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007174
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007175 if (!(bp->link_params.speed_cap_mask &
7176 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007177 bp->port.supported &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007178
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007179 if (!(bp->link_params.speed_cap_mask &
7180 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007181 bp->port.supported &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007182
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007183 BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007184}
7185
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007186static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007187{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007188 bp->link_params.req_duplex = DUPLEX_FULL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007189
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007190 switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007191 case PORT_FEATURE_LINK_SPEED_AUTO:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007192 if (bp->port.supported & SUPPORTED_Autoneg) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007193 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007194 bp->port.advertising = bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007195 } else {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007196 u32 ext_phy_type =
7197 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7198
7199 if ((ext_phy_type ==
7200 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
7201 (ext_phy_type ==
7202 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007203 /* force 10G, no AN */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007204 bp->link_params.req_line_speed = SPEED_10000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007205 bp->port.advertising =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007206 (ADVERTISED_10000baseT_Full |
7207 ADVERTISED_FIBRE);
7208 break;
7209 }
7210 BNX2X_ERR("NVRAM config error. "
7211 "Invalid link_config 0x%x"
7212 " Autoneg not supported\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007213 bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007214 return;
7215 }
7216 break;
7217
7218 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007219 if (bp->port.supported & SUPPORTED_10baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007220 bp->link_params.req_line_speed = SPEED_10;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007221 bp->port.advertising = (ADVERTISED_10baseT_Full |
7222 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007223 } else {
7224 BNX2X_ERR("NVRAM config error. "
7225 "Invalid link_config 0x%x"
7226 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007227 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007228 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007229 return;
7230 }
7231 break;
7232
7233 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007234 if (bp->port.supported & SUPPORTED_10baseT_Half) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007235 bp->link_params.req_line_speed = SPEED_10;
7236 bp->link_params.req_duplex = DUPLEX_HALF;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007237 bp->port.advertising = (ADVERTISED_10baseT_Half |
7238 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007239 } else {
7240 BNX2X_ERR("NVRAM config error. "
7241 "Invalid link_config 0x%x"
7242 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007243 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007244 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007245 return;
7246 }
7247 break;
7248
7249 case PORT_FEATURE_LINK_SPEED_100M_FULL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007250 if (bp->port.supported & SUPPORTED_100baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007251 bp->link_params.req_line_speed = SPEED_100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007252 bp->port.advertising = (ADVERTISED_100baseT_Full |
7253 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007254 } else {
7255 BNX2X_ERR("NVRAM config error. "
7256 "Invalid link_config 0x%x"
7257 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007258 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007259 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007260 return;
7261 }
7262 break;
7263
7264 case PORT_FEATURE_LINK_SPEED_100M_HALF:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007265 if (bp->port.supported & SUPPORTED_100baseT_Half) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007266 bp->link_params.req_line_speed = SPEED_100;
7267 bp->link_params.req_duplex = DUPLEX_HALF;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007268 bp->port.advertising = (ADVERTISED_100baseT_Half |
7269 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007270 } else {
7271 BNX2X_ERR("NVRAM config error. "
7272 "Invalid link_config 0x%x"
7273 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007274 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007275 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007276 return;
7277 }
7278 break;
7279
7280 case PORT_FEATURE_LINK_SPEED_1G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007281 if (bp->port.supported & SUPPORTED_1000baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007282 bp->link_params.req_line_speed = SPEED_1000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007283 bp->port.advertising = (ADVERTISED_1000baseT_Full |
7284 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007285 } else {
7286 BNX2X_ERR("NVRAM config error. "
7287 "Invalid link_config 0x%x"
7288 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007289 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007290 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007291 return;
7292 }
7293 break;
7294
7295 case PORT_FEATURE_LINK_SPEED_2_5G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007296 if (bp->port.supported & SUPPORTED_2500baseX_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007297 bp->link_params.req_line_speed = SPEED_2500;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007298 bp->port.advertising = (ADVERTISED_2500baseX_Full |
7299 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007300 } else {
7301 BNX2X_ERR("NVRAM config error. "
7302 "Invalid link_config 0x%x"
7303 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007304 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007305 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007306 return;
7307 }
7308 break;
7309
7310 case PORT_FEATURE_LINK_SPEED_10G_CX4:
7311 case PORT_FEATURE_LINK_SPEED_10G_KX4:
7312 case PORT_FEATURE_LINK_SPEED_10G_KR:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007313 if (bp->port.supported & SUPPORTED_10000baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007314 bp->link_params.req_line_speed = SPEED_10000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007315 bp->port.advertising = (ADVERTISED_10000baseT_Full |
7316 ADVERTISED_FIBRE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007317 } else {
7318 BNX2X_ERR("NVRAM config error. "
7319 "Invalid link_config 0x%x"
7320 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007321 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007322 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007323 return;
7324 }
7325 break;
7326
7327 default:
7328 BNX2X_ERR("NVRAM config error. "
7329 "BAD link speed link_config 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007330 bp->port.link_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007331 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007332 bp->port.advertising = bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007333 break;
7334 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007335
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007336 bp->link_params.req_flow_ctrl = (bp->port.link_config &
7337 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007338 if ((bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
Randy Dunlap4ab84d42008-08-07 20:33:19 -07007339 !(bp->port.supported & SUPPORTED_Autoneg))
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007340 bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007341
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007342 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl 0x%x"
Eliezer Tamirf1410642008-02-28 11:51:50 -08007343 " advertising 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007344 bp->link_params.req_line_speed,
7345 bp->link_params.req_duplex,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007346 bp->link_params.req_flow_ctrl, bp->port.advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007347}
7348
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007349static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007350{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007351 int port = BP_PORT(bp);
7352 u32 val, val2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007353
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007354 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007355 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007356
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007357 bp->link_params.serdes_config =
Eliezer Tamirf1410642008-02-28 11:51:50 -08007358 SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007359 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007360 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007361 bp->link_params.ext_phy_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007362 SHMEM_RD(bp,
7363 dev_info.port_hw_config[port].external_phy_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007364 bp->link_params.speed_cap_mask =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007365 SHMEM_RD(bp,
7366 dev_info.port_hw_config[port].speed_capability_mask);
7367
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007368 bp->port.link_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007369 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
7370
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007371 BNX2X_DEV_INFO("serdes_config 0x%08x lane_config 0x%08x\n"
7372 KERN_INFO " ext_phy_config 0x%08x speed_cap_mask 0x%08x"
7373 " link_config 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007374 bp->link_params.serdes_config,
7375 bp->link_params.lane_config,
7376 bp->link_params.ext_phy_config,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007377 bp->link_params.speed_cap_mask, bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007378
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007379 bp->link_params.switch_cfg = (bp->port.link_config &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007380 PORT_FEATURE_CONNECTED_SWITCH_MASK);
7381 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007382
7383 bnx2x_link_settings_requested(bp);
7384
7385 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
7386 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
7387 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7388 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7389 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7390 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7391 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7392 bp->dev->dev_addr[5] = (u8)(val & 0xff);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007393 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
7394 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007395}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007396
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007397static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
7398{
7399 int func = BP_FUNC(bp);
7400 u32 val, val2;
7401 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007402
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007403 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007404
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007405 bp->e1hov = 0;
7406 bp->e1hmf = 0;
7407 if (CHIP_IS_E1H(bp)) {
7408 bp->mf_config =
7409 SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007410
Eilon Greenstein3196a882008-08-13 15:58:49 -07007411 val = (SHMEM_RD(bp, mf_cfg.func_mf_config[func].e1hov_tag) &
7412 FUNC_MF_CFG_E1HOV_TAG_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007413 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007414
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007415 bp->e1hov = val;
7416 bp->e1hmf = 1;
7417 BNX2X_DEV_INFO("MF mode E1HOV for func %d is %d "
7418 "(0x%04x)\n",
7419 func, bp->e1hov, bp->e1hov);
7420 } else {
7421 BNX2X_DEV_INFO("Single function mode\n");
7422 if (BP_E1HVN(bp)) {
7423 BNX2X_ERR("!!! No valid E1HOV for func %d,"
7424 " aborting\n", func);
7425 rc = -EPERM;
7426 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007427 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007428 }
7429
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007430 if (!BP_NOMCP(bp)) {
7431 bnx2x_get_port_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007432
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007433 bp->fw_seq = (SHMEM_RD(bp, func_mb[func].drv_mb_header) &
7434 DRV_MSG_SEQ_NUMBER_MASK);
7435 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
7436 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007437
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007438 if (IS_E1HMF(bp)) {
7439 val2 = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_upper);
7440 val = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_lower);
7441 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
7442 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) {
7443 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7444 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7445 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7446 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7447 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7448 bp->dev->dev_addr[5] = (u8)(val & 0xff);
7449 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr,
7450 ETH_ALEN);
7451 memcpy(bp->dev->perm_addr, bp->dev->dev_addr,
7452 ETH_ALEN);
7453 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007454
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007455 return rc;
7456 }
7457
7458 if (BP_NOMCP(bp)) {
7459 /* only supposed to happen on emulation/FPGA */
Eilon Greenstein33471622008-08-13 15:59:08 -07007460 BNX2X_ERR("warning random MAC workaround active\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007461 random_ether_addr(bp->dev->dev_addr);
7462 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7463 }
7464
7465 return rc;
7466}
7467
7468static int __devinit bnx2x_init_bp(struct bnx2x *bp)
7469{
7470 int func = BP_FUNC(bp);
7471 int rc;
7472
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007473 /* Disable interrupt handling until HW is initialized */
7474 atomic_set(&bp->intr_sem, 1);
7475
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007476 mutex_init(&bp->port.phy_mutex);
7477
7478 INIT_WORK(&bp->sp_task, bnx2x_sp_task);
7479 INIT_WORK(&bp->reset_task, bnx2x_reset_task);
7480
7481 rc = bnx2x_get_hwinfo(bp);
7482
7483 /* need to reset chip if undi was active */
7484 if (!BP_NOMCP(bp))
7485 bnx2x_undi_unload(bp);
7486
7487 if (CHIP_REV_IS_FPGA(bp))
7488 printk(KERN_ERR PFX "FPGA detected\n");
7489
7490 if (BP_NOMCP(bp) && (func == 0))
7491 printk(KERN_ERR PFX
7492 "MCP disabled, must load devices in order!\n");
7493
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07007494 /* Set TPA flags */
7495 if (disable_tpa) {
7496 bp->flags &= ~TPA_ENABLE_FLAG;
7497 bp->dev->features &= ~NETIF_F_LRO;
7498 } else {
7499 bp->flags |= TPA_ENABLE_FLAG;
7500 bp->dev->features |= NETIF_F_LRO;
7501 }
7502
7503
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007504 bp->tx_ring_size = MAX_TX_AVAIL;
7505 bp->rx_ring_size = MAX_RX_AVAIL;
7506
7507 bp->rx_csum = 1;
7508 bp->rx_offset = 0;
7509
7510 bp->tx_ticks = 50;
7511 bp->rx_ticks = 25;
7512
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007513 bp->timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
7514 bp->current_interval = (poll ? poll : bp->timer_interval);
7515
7516 init_timer(&bp->timer);
7517 bp->timer.expires = jiffies + bp->current_interval;
7518 bp->timer.data = (unsigned long) bp;
7519 bp->timer.function = bnx2x_timer;
7520
7521 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007522}
7523
7524/*
7525 * ethtool service functions
7526 */
7527
7528/* All ethtool functions called with rtnl_lock */
7529
7530static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7531{
7532 struct bnx2x *bp = netdev_priv(dev);
7533
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007534 cmd->supported = bp->port.supported;
7535 cmd->advertising = bp->port.advertising;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007536
7537 if (netif_carrier_ok(dev)) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007538 cmd->speed = bp->link_vars.line_speed;
7539 cmd->duplex = bp->link_vars.duplex;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007540 } else {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007541 cmd->speed = bp->link_params.req_line_speed;
7542 cmd->duplex = bp->link_params.req_duplex;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007543 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007544 if (IS_E1HMF(bp)) {
7545 u16 vn_max_rate;
7546
7547 vn_max_rate = ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >>
7548 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
7549 if (vn_max_rate < cmd->speed)
7550 cmd->speed = vn_max_rate;
7551 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007552
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007553 if (bp->link_params.switch_cfg == SWITCH_CFG_10G) {
7554 u32 ext_phy_type =
7555 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007556
7557 switch (ext_phy_type) {
7558 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7559 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7560 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7561 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007562 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007563 cmd->port = PORT_FIBRE;
7564 break;
7565
7566 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7567 cmd->port = PORT_TP;
7568 break;
7569
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007570 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7571 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7572 bp->link_params.ext_phy_config);
7573 break;
7574
Eliezer Tamirf1410642008-02-28 11:51:50 -08007575 default:
7576 DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007577 bp->link_params.ext_phy_config);
7578 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007579 }
7580 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007581 cmd->port = PORT_TP;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007582
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007583 cmd->phy_address = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007584 cmd->transceiver = XCVR_INTERNAL;
7585
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007586 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007587 cmd->autoneg = AUTONEG_ENABLE;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007588 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007589 cmd->autoneg = AUTONEG_DISABLE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007590
7591 cmd->maxtxpkt = 0;
7592 cmd->maxrxpkt = 0;
7593
7594 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7595 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7596 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7597 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7598 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7599 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7600 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7601
7602 return 0;
7603}
7604
7605static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7606{
7607 struct bnx2x *bp = netdev_priv(dev);
7608 u32 advertising;
7609
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007610 if (IS_E1HMF(bp))
7611 return 0;
7612
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007613 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7614 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7615 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7616 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7617 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7618 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7619 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7620
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007621 if (cmd->autoneg == AUTONEG_ENABLE) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007622 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
7623 DP(NETIF_MSG_LINK, "Autoneg not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007624 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007625 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007626
7627 /* advertise the requested speed and duplex if supported */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007628 cmd->advertising &= bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007629
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007630 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7631 bp->link_params.req_duplex = DUPLEX_FULL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007632 bp->port.advertising |= (ADVERTISED_Autoneg |
7633 cmd->advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007634
7635 } else { /* forced speed */
7636 /* advertise the requested speed and duplex if supported */
7637 switch (cmd->speed) {
7638 case SPEED_10:
7639 if (cmd->duplex == DUPLEX_FULL) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007640 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007641 SUPPORTED_10baseT_Full)) {
7642 DP(NETIF_MSG_LINK,
7643 "10M full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007644 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007645 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007646
7647 advertising = (ADVERTISED_10baseT_Full |
7648 ADVERTISED_TP);
7649 } else {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007650 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007651 SUPPORTED_10baseT_Half)) {
7652 DP(NETIF_MSG_LINK,
7653 "10M half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007654 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007655 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007656
7657 advertising = (ADVERTISED_10baseT_Half |
7658 ADVERTISED_TP);
7659 }
7660 break;
7661
7662 case SPEED_100:
7663 if (cmd->duplex == DUPLEX_FULL) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007664 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007665 SUPPORTED_100baseT_Full)) {
7666 DP(NETIF_MSG_LINK,
7667 "100M full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007668 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007669 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007670
7671 advertising = (ADVERTISED_100baseT_Full |
7672 ADVERTISED_TP);
7673 } else {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007674 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007675 SUPPORTED_100baseT_Half)) {
7676 DP(NETIF_MSG_LINK,
7677 "100M half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007678 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007679 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007680
7681 advertising = (ADVERTISED_100baseT_Half |
7682 ADVERTISED_TP);
7683 }
7684 break;
7685
7686 case SPEED_1000:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007687 if (cmd->duplex != DUPLEX_FULL) {
7688 DP(NETIF_MSG_LINK, "1G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007689 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007690 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007691
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007692 if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007693 DP(NETIF_MSG_LINK, "1G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007694 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007695 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007696
7697 advertising = (ADVERTISED_1000baseT_Full |
7698 ADVERTISED_TP);
7699 break;
7700
7701 case SPEED_2500:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007702 if (cmd->duplex != DUPLEX_FULL) {
7703 DP(NETIF_MSG_LINK,
7704 "2.5G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007705 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007706 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007707
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007708 if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007709 DP(NETIF_MSG_LINK,
7710 "2.5G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007711 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007712 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007713
Eliezer Tamirf1410642008-02-28 11:51:50 -08007714 advertising = (ADVERTISED_2500baseX_Full |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007715 ADVERTISED_TP);
7716 break;
7717
7718 case SPEED_10000:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007719 if (cmd->duplex != DUPLEX_FULL) {
7720 DP(NETIF_MSG_LINK, "10G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007721 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007722 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007723
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007724 if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007725 DP(NETIF_MSG_LINK, "10G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007726 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007727 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007728
7729 advertising = (ADVERTISED_10000baseT_Full |
7730 ADVERTISED_FIBRE);
7731 break;
7732
7733 default:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007734 DP(NETIF_MSG_LINK, "Unsupported speed\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007735 return -EINVAL;
7736 }
7737
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007738 bp->link_params.req_line_speed = cmd->speed;
7739 bp->link_params.req_duplex = cmd->duplex;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007740 bp->port.advertising = advertising;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007741 }
7742
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007743 DP(NETIF_MSG_LINK, "req_line_speed %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007744 DP_LEVEL " req_duplex %d advertising 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007745 bp->link_params.req_line_speed, bp->link_params.req_duplex,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007746 bp->port.advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007747
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007748 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07007749 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007750 bnx2x_link_set(bp);
7751 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007752
7753 return 0;
7754}
7755
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007756#define PHY_FW_VER_LEN 10
7757
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007758static void bnx2x_get_drvinfo(struct net_device *dev,
7759 struct ethtool_drvinfo *info)
7760{
7761 struct bnx2x *bp = netdev_priv(dev);
Eilon Greensteinf0e53a82008-08-13 15:58:30 -07007762 u8 phy_fw_ver[PHY_FW_VER_LEN];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007763
7764 strcpy(info->driver, DRV_MODULE_NAME);
7765 strcpy(info->version, DRV_MODULE_VERSION);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007766
7767 phy_fw_ver[0] = '\0';
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007768 if (bp->port.pmf) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007769 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007770 bnx2x_get_ext_phy_fw_version(&bp->link_params,
7771 (bp->state != BNX2X_STATE_CLOSED),
7772 phy_fw_ver, PHY_FW_VER_LEN);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007773 bnx2x_release_phy_lock(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007774 }
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007775
Eilon Greensteinf0e53a82008-08-13 15:58:30 -07007776 snprintf(info->fw_version, 32, "BC:%d.%d.%d%s%s",
7777 (bp->common.bc_ver & 0xff0000) >> 16,
7778 (bp->common.bc_ver & 0xff00) >> 8,
7779 (bp->common.bc_ver & 0xff),
7780 ((phy_fw_ver[0] != '\0') ? " PHY:" : ""), phy_fw_ver);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007781 strcpy(info->bus_info, pci_name(bp->pdev));
7782 info->n_stats = BNX2X_NUM_STATS;
7783 info->testinfo_len = BNX2X_NUM_TESTS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007784 info->eedump_len = bp->common.flash_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007785 info->regdump_len = 0;
7786}
7787
7788static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7789{
7790 struct bnx2x *bp = netdev_priv(dev);
7791
7792 if (bp->flags & NO_WOL_FLAG) {
7793 wol->supported = 0;
7794 wol->wolopts = 0;
7795 } else {
7796 wol->supported = WAKE_MAGIC;
7797 if (bp->wol)
7798 wol->wolopts = WAKE_MAGIC;
7799 else
7800 wol->wolopts = 0;
7801 }
7802 memset(&wol->sopass, 0, sizeof(wol->sopass));
7803}
7804
7805static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7806{
7807 struct bnx2x *bp = netdev_priv(dev);
7808
7809 if (wol->wolopts & ~WAKE_MAGIC)
7810 return -EINVAL;
7811
7812 if (wol->wolopts & WAKE_MAGIC) {
7813 if (bp->flags & NO_WOL_FLAG)
7814 return -EINVAL;
7815
7816 bp->wol = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007817 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007818 bp->wol = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007819
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007820 return 0;
7821}
7822
7823static u32 bnx2x_get_msglevel(struct net_device *dev)
7824{
7825 struct bnx2x *bp = netdev_priv(dev);
7826
7827 return bp->msglevel;
7828}
7829
7830static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
7831{
7832 struct bnx2x *bp = netdev_priv(dev);
7833
7834 if (capable(CAP_NET_ADMIN))
7835 bp->msglevel = level;
7836}
7837
7838static int bnx2x_nway_reset(struct net_device *dev)
7839{
7840 struct bnx2x *bp = netdev_priv(dev);
7841
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007842 if (!bp->port.pmf)
7843 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007844
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007845 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07007846 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007847 bnx2x_link_set(bp);
7848 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007849
7850 return 0;
7851}
7852
7853static int bnx2x_get_eeprom_len(struct net_device *dev)
7854{
7855 struct bnx2x *bp = netdev_priv(dev);
7856
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007857 return bp->common.flash_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007858}
7859
7860static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
7861{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007862 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007863 int count, i;
7864 u32 val = 0;
7865
7866 /* adjust timeout for emulation/FPGA */
7867 count = NVRAM_TIMEOUT_COUNT;
7868 if (CHIP_REV_IS_SLOW(bp))
7869 count *= 100;
7870
7871 /* request access to nvram interface */
7872 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7873 (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
7874
7875 for (i = 0; i < count*10; i++) {
7876 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7877 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
7878 break;
7879
7880 udelay(5);
7881 }
7882
7883 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007884 DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007885 return -EBUSY;
7886 }
7887
7888 return 0;
7889}
7890
7891static int bnx2x_release_nvram_lock(struct bnx2x *bp)
7892{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007893 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007894 int count, i;
7895 u32 val = 0;
7896
7897 /* adjust timeout for emulation/FPGA */
7898 count = NVRAM_TIMEOUT_COUNT;
7899 if (CHIP_REV_IS_SLOW(bp))
7900 count *= 100;
7901
7902 /* relinquish nvram interface */
7903 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7904 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
7905
7906 for (i = 0; i < count*10; i++) {
7907 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7908 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
7909 break;
7910
7911 udelay(5);
7912 }
7913
7914 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007915 DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007916 return -EBUSY;
7917 }
7918
7919 return 0;
7920}
7921
7922static void bnx2x_enable_nvram_access(struct bnx2x *bp)
7923{
7924 u32 val;
7925
7926 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7927
7928 /* enable both bits, even on read */
7929 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7930 (val | MCPR_NVM_ACCESS_ENABLE_EN |
7931 MCPR_NVM_ACCESS_ENABLE_WR_EN));
7932}
7933
7934static void bnx2x_disable_nvram_access(struct bnx2x *bp)
7935{
7936 u32 val;
7937
7938 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7939
7940 /* disable both bits, even after read */
7941 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7942 (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
7943 MCPR_NVM_ACCESS_ENABLE_WR_EN)));
7944}
7945
7946static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val,
7947 u32 cmd_flags)
7948{
Eliezer Tamirf1410642008-02-28 11:51:50 -08007949 int count, i, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007950 u32 val;
7951
7952 /* build the command word */
7953 cmd_flags |= MCPR_NVM_COMMAND_DOIT;
7954
7955 /* need to clear DONE bit separately */
7956 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
7957
7958 /* address of the NVRAM to read from */
7959 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
7960 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
7961
7962 /* issue a read command */
7963 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
7964
7965 /* adjust timeout for emulation/FPGA */
7966 count = NVRAM_TIMEOUT_COUNT;
7967 if (CHIP_REV_IS_SLOW(bp))
7968 count *= 100;
7969
7970 /* wait for completion */
7971 *ret_val = 0;
7972 rc = -EBUSY;
7973 for (i = 0; i < count; i++) {
7974 udelay(5);
7975 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
7976
7977 if (val & MCPR_NVM_COMMAND_DONE) {
7978 val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007979 /* we read nvram data in cpu order
7980 * but ethtool sees it as an array of bytes
7981 * converting to big-endian will do the work */
7982 val = cpu_to_be32(val);
7983 *ret_val = val;
7984 rc = 0;
7985 break;
7986 }
7987 }
7988
7989 return rc;
7990}
7991
7992static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
7993 int buf_size)
7994{
7995 int rc;
7996 u32 cmd_flags;
7997 u32 val;
7998
7999 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008000 DP(BNX2X_MSG_NVM,
Eliezer Tamirc14423f2008-02-28 11:49:42 -08008001 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008002 offset, buf_size);
8003 return -EINVAL;
8004 }
8005
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008006 if (offset + buf_size > bp->common.flash_size) {
8007 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008008 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008009 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008010 return -EINVAL;
8011 }
8012
8013 /* request access to nvram interface */
8014 rc = bnx2x_acquire_nvram_lock(bp);
8015 if (rc)
8016 return rc;
8017
8018 /* enable access to nvram interface */
8019 bnx2x_enable_nvram_access(bp);
8020
8021 /* read the first word(s) */
8022 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8023 while ((buf_size > sizeof(u32)) && (rc == 0)) {
8024 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8025 memcpy(ret_buf, &val, 4);
8026
8027 /* advance to the next dword */
8028 offset += sizeof(u32);
8029 ret_buf += sizeof(u32);
8030 buf_size -= sizeof(u32);
8031 cmd_flags = 0;
8032 }
8033
8034 if (rc == 0) {
8035 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8036 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8037 memcpy(ret_buf, &val, 4);
8038 }
8039
8040 /* disable access to nvram interface */
8041 bnx2x_disable_nvram_access(bp);
8042 bnx2x_release_nvram_lock(bp);
8043
8044 return rc;
8045}
8046
8047static int bnx2x_get_eeprom(struct net_device *dev,
8048 struct ethtool_eeprom *eeprom, u8 *eebuf)
8049{
8050 struct bnx2x *bp = netdev_priv(dev);
8051 int rc;
8052
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008053 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008054 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8055 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8056 eeprom->len, eeprom->len);
8057
8058 /* parameters already validated in ethtool_get_eeprom */
8059
8060 rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
8061
8062 return rc;
8063}
8064
8065static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
8066 u32 cmd_flags)
8067{
Eliezer Tamirf1410642008-02-28 11:51:50 -08008068 int count, i, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008069
8070 /* build the command word */
8071 cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
8072
8073 /* need to clear DONE bit separately */
8074 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
8075
8076 /* write the data */
8077 REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
8078
8079 /* address of the NVRAM to write to */
8080 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
8081 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
8082
8083 /* issue the write command */
8084 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
8085
8086 /* adjust timeout for emulation/FPGA */
8087 count = NVRAM_TIMEOUT_COUNT;
8088 if (CHIP_REV_IS_SLOW(bp))
8089 count *= 100;
8090
8091 /* wait for completion */
8092 rc = -EBUSY;
8093 for (i = 0; i < count; i++) {
8094 udelay(5);
8095 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8096 if (val & MCPR_NVM_COMMAND_DONE) {
8097 rc = 0;
8098 break;
8099 }
8100 }
8101
8102 return rc;
8103}
8104
Eliezer Tamirf1410642008-02-28 11:51:50 -08008105#define BYTE_OFFSET(offset) (8 * (offset & 0x03))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008106
8107static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
8108 int buf_size)
8109{
8110 int rc;
8111 u32 cmd_flags;
8112 u32 align_offset;
8113 u32 val;
8114
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008115 if (offset + buf_size > bp->common.flash_size) {
8116 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008117 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008118 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008119 return -EINVAL;
8120 }
8121
8122 /* request access to nvram interface */
8123 rc = bnx2x_acquire_nvram_lock(bp);
8124 if (rc)
8125 return rc;
8126
8127 /* enable access to nvram interface */
8128 bnx2x_enable_nvram_access(bp);
8129
8130 cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
8131 align_offset = (offset & ~0x03);
8132 rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
8133
8134 if (rc == 0) {
8135 val &= ~(0xff << BYTE_OFFSET(offset));
8136 val |= (*data_buf << BYTE_OFFSET(offset));
8137
8138 /* nvram data is returned as an array of bytes
8139 * convert it back to cpu order */
8140 val = be32_to_cpu(val);
8141
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008142 rc = bnx2x_nvram_write_dword(bp, align_offset, val,
8143 cmd_flags);
8144 }
8145
8146 /* disable access to nvram interface */
8147 bnx2x_disable_nvram_access(bp);
8148 bnx2x_release_nvram_lock(bp);
8149
8150 return rc;
8151}
8152
8153static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
8154 int buf_size)
8155{
8156 int rc;
8157 u32 cmd_flags;
8158 u32 val;
8159 u32 written_so_far;
8160
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008161 if (buf_size == 1) /* ethtool */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008162 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008163
8164 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008165 DP(BNX2X_MSG_NVM,
Eliezer Tamirc14423f2008-02-28 11:49:42 -08008166 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008167 offset, buf_size);
8168 return -EINVAL;
8169 }
8170
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008171 if (offset + buf_size > bp->common.flash_size) {
8172 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008173 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008174 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008175 return -EINVAL;
8176 }
8177
8178 /* request access to nvram interface */
8179 rc = bnx2x_acquire_nvram_lock(bp);
8180 if (rc)
8181 return rc;
8182
8183 /* enable access to nvram interface */
8184 bnx2x_enable_nvram_access(bp);
8185
8186 written_so_far = 0;
8187 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8188 while ((written_so_far < buf_size) && (rc == 0)) {
8189 if (written_so_far == (buf_size - sizeof(u32)))
8190 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8191 else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0)
8192 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8193 else if ((offset % NVRAM_PAGE_SIZE) == 0)
8194 cmd_flags |= MCPR_NVM_COMMAND_FIRST;
8195
8196 memcpy(&val, data_buf, 4);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008197
8198 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
8199
8200 /* advance to the next dword */
8201 offset += sizeof(u32);
8202 data_buf += sizeof(u32);
8203 written_so_far += sizeof(u32);
8204 cmd_flags = 0;
8205 }
8206
8207 /* disable access to nvram interface */
8208 bnx2x_disable_nvram_access(bp);
8209 bnx2x_release_nvram_lock(bp);
8210
8211 return rc;
8212}
8213
8214static int bnx2x_set_eeprom(struct net_device *dev,
8215 struct ethtool_eeprom *eeprom, u8 *eebuf)
8216{
8217 struct bnx2x *bp = netdev_priv(dev);
8218 int rc;
8219
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008220 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008221 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8222 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8223 eeprom->len, eeprom->len);
8224
8225 /* parameters already validated in ethtool_set_eeprom */
8226
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008227 /* If the magic number is PHY (0x00504859) upgrade the PHY FW */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008228 if (eeprom->magic == 0x00504859)
8229 if (bp->port.pmf) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008230
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008231 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008232 rc = bnx2x_flash_download(bp, BP_PORT(bp),
8233 bp->link_params.ext_phy_config,
8234 (bp->state != BNX2X_STATE_CLOSED),
8235 eebuf, eeprom->len);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008236 if ((bp->state == BNX2X_STATE_OPEN) ||
8237 (bp->state == BNX2X_STATE_DISABLED)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008238 rc |= bnx2x_link_reset(&bp->link_params,
8239 &bp->link_vars);
8240 rc |= bnx2x_phy_init(&bp->link_params,
8241 &bp->link_vars);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008242 }
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008243 bnx2x_release_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008244
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008245 } else /* Only the PMF can access the PHY */
8246 return -EINVAL;
8247 else
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008248 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008249
8250 return rc;
8251}
8252
8253static int bnx2x_get_coalesce(struct net_device *dev,
8254 struct ethtool_coalesce *coal)
8255{
8256 struct bnx2x *bp = netdev_priv(dev);
8257
8258 memset(coal, 0, sizeof(struct ethtool_coalesce));
8259
8260 coal->rx_coalesce_usecs = bp->rx_ticks;
8261 coal->tx_coalesce_usecs = bp->tx_ticks;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008262
8263 return 0;
8264}
8265
8266static int bnx2x_set_coalesce(struct net_device *dev,
8267 struct ethtool_coalesce *coal)
8268{
8269 struct bnx2x *bp = netdev_priv(dev);
8270
8271 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
8272 if (bp->rx_ticks > 3000)
8273 bp->rx_ticks = 3000;
8274
8275 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
8276 if (bp->tx_ticks > 0x3000)
8277 bp->tx_ticks = 0x3000;
8278
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008279 if (netif_running(dev))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008280 bnx2x_update_coalesce(bp);
8281
8282 return 0;
8283}
8284
8285static void bnx2x_get_ringparam(struct net_device *dev,
8286 struct ethtool_ringparam *ering)
8287{
8288 struct bnx2x *bp = netdev_priv(dev);
8289
8290 ering->rx_max_pending = MAX_RX_AVAIL;
8291 ering->rx_mini_max_pending = 0;
8292 ering->rx_jumbo_max_pending = 0;
8293
8294 ering->rx_pending = bp->rx_ring_size;
8295 ering->rx_mini_pending = 0;
8296 ering->rx_jumbo_pending = 0;
8297
8298 ering->tx_max_pending = MAX_TX_AVAIL;
8299 ering->tx_pending = bp->tx_ring_size;
8300}
8301
8302static int bnx2x_set_ringparam(struct net_device *dev,
8303 struct ethtool_ringparam *ering)
8304{
8305 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008306 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008307
8308 if ((ering->rx_pending > MAX_RX_AVAIL) ||
8309 (ering->tx_pending > MAX_TX_AVAIL) ||
8310 (ering->tx_pending <= MAX_SKB_FRAGS + 4))
8311 return -EINVAL;
8312
8313 bp->rx_ring_size = ering->rx_pending;
8314 bp->tx_ring_size = ering->tx_pending;
8315
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008316 if (netif_running(dev)) {
8317 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8318 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008319 }
8320
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008321 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008322}
8323
8324static void bnx2x_get_pauseparam(struct net_device *dev,
8325 struct ethtool_pauseparam *epause)
8326{
8327 struct bnx2x *bp = netdev_priv(dev);
8328
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008329 epause->autoneg = (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
8330 (bp->link_params.req_line_speed == SPEED_AUTO_NEG);
8331
8332 epause->rx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_RX) ==
8333 FLOW_CTRL_RX);
8334 epause->tx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_TX) ==
8335 FLOW_CTRL_TX);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008336
8337 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8338 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8339 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8340}
8341
8342static int bnx2x_set_pauseparam(struct net_device *dev,
8343 struct ethtool_pauseparam *epause)
8344{
8345 struct bnx2x *bp = netdev_priv(dev);
8346
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008347 if (IS_E1HMF(bp))
8348 return 0;
8349
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008350 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8351 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8352 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8353
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008354 bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
8355
8356 if (epause->rx_pause)
8357 bp->link_params.req_flow_ctrl |= FLOW_CTRL_RX;
8358
8359 if (epause->tx_pause)
8360 bp->link_params.req_flow_ctrl |= FLOW_CTRL_TX;
8361
8362 if (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO)
8363 bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
8364
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008365 if (epause->autoneg) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008366 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07008367 DP(NETIF_MSG_LINK, "autoneg not supported\n");
Eliezer Tamirf1410642008-02-28 11:51:50 -08008368 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008369 }
8370
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008371 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
8372 bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
8373 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008374
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008375 DP(NETIF_MSG_LINK,
8376 "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008377
8378 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008379 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008380 bnx2x_link_set(bp);
8381 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008382
8383 return 0;
8384}
8385
Vladislav Zolotarovdf0f2342008-08-13 15:53:38 -07008386static int bnx2x_set_flags(struct net_device *dev, u32 data)
8387{
8388 struct bnx2x *bp = netdev_priv(dev);
8389 int changed = 0;
8390 int rc = 0;
8391
8392 /* TPA requires Rx CSUM offloading */
8393 if ((data & ETH_FLAG_LRO) && bp->rx_csum) {
8394 if (!(dev->features & NETIF_F_LRO)) {
8395 dev->features |= NETIF_F_LRO;
8396 bp->flags |= TPA_ENABLE_FLAG;
8397 changed = 1;
8398 }
8399
8400 } else if (dev->features & NETIF_F_LRO) {
8401 dev->features &= ~NETIF_F_LRO;
8402 bp->flags &= ~TPA_ENABLE_FLAG;
8403 changed = 1;
8404 }
8405
8406 if (changed && netif_running(dev)) {
8407 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8408 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
8409 }
8410
8411 return rc;
8412}
8413
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008414static u32 bnx2x_get_rx_csum(struct net_device *dev)
8415{
8416 struct bnx2x *bp = netdev_priv(dev);
8417
8418 return bp->rx_csum;
8419}
8420
8421static int bnx2x_set_rx_csum(struct net_device *dev, u32 data)
8422{
8423 struct bnx2x *bp = netdev_priv(dev);
Vladislav Zolotarovdf0f2342008-08-13 15:53:38 -07008424 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008425
8426 bp->rx_csum = data;
Vladislav Zolotarovdf0f2342008-08-13 15:53:38 -07008427
8428 /* Disable TPA, when Rx CSUM is disabled. Otherwise all
8429 TPA'ed packets will be discarded due to wrong TCP CSUM */
8430 if (!data) {
8431 u32 flags = ethtool_op_get_flags(dev);
8432
8433 rc = bnx2x_set_flags(dev, (flags & ~ETH_FLAG_LRO));
8434 }
8435
8436 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008437}
8438
8439static int bnx2x_set_tso(struct net_device *dev, u32 data)
8440{
Eilon Greenstein755735eb2008-06-23 20:35:13 -07008441 if (data) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008442 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07008443 dev->features |= NETIF_F_TSO6;
8444 } else {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008445 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07008446 dev->features &= ~NETIF_F_TSO6;
8447 }
8448
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008449 return 0;
8450}
8451
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008452static const struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008453 char string[ETH_GSTRING_LEN];
8454} bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008455 { "register_test (offline)" },
8456 { "memory_test (offline)" },
8457 { "loopback_test (offline)" },
8458 { "nvram_test (online)" },
8459 { "interrupt_test (online)" },
8460 { "link_test (online)" },
8461 { "idle check (online)" },
8462 { "MC errors (online)" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008463};
8464
8465static int bnx2x_self_test_count(struct net_device *dev)
8466{
8467 return BNX2X_NUM_TESTS;
8468}
8469
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008470static int bnx2x_test_registers(struct bnx2x *bp)
8471{
8472 int idx, i, rc = -ENODEV;
8473 u32 wr_val = 0;
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008474 int port = BP_PORT(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008475 static const struct {
8476 u32 offset0;
8477 u32 offset1;
8478 u32 mask;
8479 } reg_tbl[] = {
8480/* 0 */ { BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff },
8481 { DORQ_REG_DB_ADDR0, 4, 0xffffffff },
8482 { HC_REG_AGG_INT_0, 4, 0x000003ff },
8483 { PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 },
8484 { PBF_REG_P0_INIT_CRD, 4, 0x000007ff },
8485 { PRS_REG_CID_PORT_0, 4, 0x00ffffff },
8486 { PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff },
8487 { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8488 { PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff },
8489 { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8490/* 10 */ { PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff },
8491 { QM_REG_CONNNUM_0, 4, 0x000fffff },
8492 { TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff },
8493 { SRC_REG_KEYRSS0_0, 40, 0xffffffff },
8494 { SRC_REG_KEYRSS0_7, 40, 0xffffffff },
8495 { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
8496 { XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 },
8497 { XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff },
8498 { NIG_REG_EGRESS_MNG0_FIFO, 20, 0xffffffff },
8499 { NIG_REG_LLH0_T_BIT, 4, 0x00000001 },
8500/* 20 */ { NIG_REG_EMAC0_IN_EN, 4, 0x00000001 },
8501 { NIG_REG_BMAC0_IN_EN, 4, 0x00000001 },
8502 { NIG_REG_XCM0_OUT_EN, 4, 0x00000001 },
8503 { NIG_REG_BRB0_OUT_EN, 4, 0x00000001 },
8504 { NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 },
8505 { NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff },
8506 { NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff },
8507 { NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff },
8508 { NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff },
8509 { NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 },
8510/* 30 */ { NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff },
8511 { NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff },
8512 { NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff },
8513 { NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 },
8514 { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 },
8515 { NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff },
8516 { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
8517 { NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f },
8518
8519 { 0xffffffff, 0, 0x00000000 }
8520 };
8521
8522 if (!netif_running(bp->dev))
8523 return rc;
8524
8525 /* Repeat the test twice:
8526 First by writing 0x00000000, second by writing 0xffffffff */
8527 for (idx = 0; idx < 2; idx++) {
8528
8529 switch (idx) {
8530 case 0:
8531 wr_val = 0;
8532 break;
8533 case 1:
8534 wr_val = 0xffffffff;
8535 break;
8536 }
8537
8538 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
8539 u32 offset, mask, save_val, val;
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008540
8541 offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
8542 mask = reg_tbl[i].mask;
8543
8544 save_val = REG_RD(bp, offset);
8545
8546 REG_WR(bp, offset, wr_val);
8547 val = REG_RD(bp, offset);
8548
8549 /* Restore the original register's value */
8550 REG_WR(bp, offset, save_val);
8551
8552 /* verify that value is as expected value */
8553 if ((val & mask) != (wr_val & mask))
8554 goto test_reg_exit;
8555 }
8556 }
8557
8558 rc = 0;
8559
8560test_reg_exit:
8561 return rc;
8562}
8563
8564static int bnx2x_test_memory(struct bnx2x *bp)
8565{
8566 int i, j, rc = -ENODEV;
8567 u32 val;
8568 static const struct {
8569 u32 offset;
8570 int size;
8571 } mem_tbl[] = {
8572 { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE },
8573 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
8574 { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE },
8575 { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE },
8576 { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE },
8577 { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE },
8578 { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE },
8579
8580 { 0xffffffff, 0 }
8581 };
8582 static const struct {
8583 char *name;
8584 u32 offset;
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008585 u32 e1_mask;
8586 u32 e1h_mask;
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008587 } prty_tbl[] = {
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008588 { "CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS, 0x3ffc0, 0 },
8589 { "CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS, 0x2, 0x2 },
8590 { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0, 0 },
8591 { "TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS, 0x3ffc0, 0 },
8592 { "UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS, 0x3ffc0, 0 },
8593 { "XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS, 0x3ffc1, 0 },
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008594
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008595 { NULL, 0xffffffff, 0, 0 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008596 };
8597
8598 if (!netif_running(bp->dev))
8599 return rc;
8600
8601 /* Go through all the memories */
8602 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
8603 for (j = 0; j < mem_tbl[i].size; j++)
8604 REG_RD(bp, mem_tbl[i].offset + j*4);
8605
8606 /* Check the parity status */
8607 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
8608 val = REG_RD(bp, prty_tbl[i].offset);
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008609 if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) ||
8610 (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask)))) {
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008611 DP(NETIF_MSG_HW,
8612 "%s is 0x%x\n", prty_tbl[i].name, val);
8613 goto test_mem_exit;
8614 }
8615 }
8616
8617 rc = 0;
8618
8619test_mem_exit:
8620 return rc;
8621}
8622
8623static void bnx2x_netif_start(struct bnx2x *bp)
8624{
8625 int i;
8626
8627 if (atomic_dec_and_test(&bp->intr_sem)) {
8628 if (netif_running(bp->dev)) {
8629 bnx2x_int_enable(bp);
8630 for_each_queue(bp, i)
8631 napi_enable(&bnx2x_fp(bp, i, napi));
8632 if (bp->state == BNX2X_STATE_OPEN)
8633 netif_wake_queue(bp->dev);
8634 }
8635 }
8636}
8637
8638static void bnx2x_netif_stop(struct bnx2x *bp)
8639{
8640 int i;
8641
8642 if (netif_running(bp->dev)) {
8643 netif_tx_disable(bp->dev);
8644 bp->dev->trans_start = jiffies; /* prevent tx timeout */
8645 for_each_queue(bp, i)
8646 napi_disable(&bnx2x_fp(bp, i, napi));
8647 }
8648 bnx2x_int_disable_sync(bp);
8649}
8650
8651static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up)
8652{
8653 int cnt = 1000;
8654
8655 if (link_up)
8656 while (bnx2x_link_test(bp) && cnt--)
8657 msleep(10);
8658}
8659
8660static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
8661{
8662 unsigned int pkt_size, num_pkts, i;
8663 struct sk_buff *skb;
8664 unsigned char *packet;
8665 struct bnx2x_fastpath *fp = &bp->fp[0];
8666 u16 tx_start_idx, tx_idx;
8667 u16 rx_start_idx, rx_idx;
8668 u16 pkt_prod;
8669 struct sw_tx_bd *tx_buf;
8670 struct eth_tx_bd *tx_bd;
8671 dma_addr_t mapping;
8672 union eth_rx_cqe *cqe;
8673 u8 cqe_fp_flags;
8674 struct sw_rx_bd *rx_buf;
8675 u16 len;
8676 int rc = -ENODEV;
8677
8678 if (loopback_mode == BNX2X_MAC_LOOPBACK) {
8679 bp->link_params.loopback_mode = LOOPBACK_BMAC;
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008680 bnx2x_acquire_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008681 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008682 bnx2x_release_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008683
8684 } else if (loopback_mode == BNX2X_PHY_LOOPBACK) {
8685 bp->link_params.loopback_mode = LOOPBACK_XGXS_10;
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008686 bnx2x_acquire_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008687 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008688 bnx2x_release_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008689 /* wait until link state is restored */
8690 bnx2x_wait_for_link(bp, link_up);
8691
8692 } else
8693 return -EINVAL;
8694
8695 pkt_size = 1514;
8696 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
8697 if (!skb) {
8698 rc = -ENOMEM;
8699 goto test_loopback_exit;
8700 }
8701 packet = skb_put(skb, pkt_size);
8702 memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
8703 memset(packet + ETH_ALEN, 0, (ETH_HLEN - ETH_ALEN));
8704 for (i = ETH_HLEN; i < pkt_size; i++)
8705 packet[i] = (unsigned char) (i & 0xff);
8706
8707 num_pkts = 0;
8708 tx_start_idx = le16_to_cpu(*fp->tx_cons_sb);
8709 rx_start_idx = le16_to_cpu(*fp->rx_cons_sb);
8710
8711 pkt_prod = fp->tx_pkt_prod++;
8712 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
8713 tx_buf->first_bd = fp->tx_bd_prod;
8714 tx_buf->skb = skb;
8715
8716 tx_bd = &fp->tx_desc_ring[TX_BD(fp->tx_bd_prod)];
8717 mapping = pci_map_single(bp->pdev, skb->data,
8718 skb_headlen(skb), PCI_DMA_TODEVICE);
8719 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
8720 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
8721 tx_bd->nbd = cpu_to_le16(1);
8722 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
8723 tx_bd->vlan = cpu_to_le16(pkt_prod);
8724 tx_bd->bd_flags.as_bitfield = (ETH_TX_BD_FLAGS_START_BD |
8725 ETH_TX_BD_FLAGS_END_BD);
8726 tx_bd->general_data = ((UNICAST_ADDRESS <<
8727 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT) | 1);
8728
8729 fp->hw_tx_prods->bds_prod =
8730 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + 1);
8731 mb(); /* FW restriction: must not reorder writing nbd and packets */
8732 fp->hw_tx_prods->packets_prod =
8733 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
8734 DOORBELL(bp, FP_IDX(fp), 0);
8735
8736 mmiowb();
8737
8738 num_pkts++;
8739 fp->tx_bd_prod++;
8740 bp->dev->trans_start = jiffies;
8741
8742 udelay(100);
8743
8744 tx_idx = le16_to_cpu(*fp->tx_cons_sb);
8745 if (tx_idx != tx_start_idx + num_pkts)
8746 goto test_loopback_exit;
8747
8748 rx_idx = le16_to_cpu(*fp->rx_cons_sb);
8749 if (rx_idx != rx_start_idx + num_pkts)
8750 goto test_loopback_exit;
8751
8752 cqe = &fp->rx_comp_ring[RCQ_BD(fp->rx_comp_cons)];
8753 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
8754 if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
8755 goto test_loopback_rx_exit;
8756
8757 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
8758 if (len != pkt_size)
8759 goto test_loopback_rx_exit;
8760
8761 rx_buf = &fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)];
8762 skb = rx_buf->skb;
8763 skb_reserve(skb, cqe->fast_path_cqe.placement_offset);
8764 for (i = ETH_HLEN; i < pkt_size; i++)
8765 if (*(skb->data + i) != (unsigned char) (i & 0xff))
8766 goto test_loopback_rx_exit;
8767
8768 rc = 0;
8769
8770test_loopback_rx_exit:
8771 bp->dev->last_rx = jiffies;
8772
8773 fp->rx_bd_cons = NEXT_RX_IDX(fp->rx_bd_cons);
8774 fp->rx_bd_prod = NEXT_RX_IDX(fp->rx_bd_prod);
8775 fp->rx_comp_cons = NEXT_RCQ_IDX(fp->rx_comp_cons);
8776 fp->rx_comp_prod = NEXT_RCQ_IDX(fp->rx_comp_prod);
8777
8778 /* Update producers */
8779 bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod,
8780 fp->rx_sge_prod);
8781 mmiowb(); /* keep prod updates ordered */
8782
8783test_loopback_exit:
8784 bp->link_params.loopback_mode = LOOPBACK_NONE;
8785
8786 return rc;
8787}
8788
8789static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up)
8790{
8791 int rc = 0;
8792
8793 if (!netif_running(bp->dev))
8794 return BNX2X_LOOPBACK_FAILED;
8795
8796 bnx2x_netif_stop(bp);
8797
8798 if (bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up)) {
8799 DP(NETIF_MSG_PROBE, "MAC loopback failed\n");
8800 rc |= BNX2X_MAC_LOOPBACK_FAILED;
8801 }
8802
8803 if (bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up)) {
8804 DP(NETIF_MSG_PROBE, "PHY loopback failed\n");
8805 rc |= BNX2X_PHY_LOOPBACK_FAILED;
8806 }
8807
8808 bnx2x_netif_start(bp);
8809
8810 return rc;
8811}
8812
8813#define CRC32_RESIDUAL 0xdebb20e3
8814
8815static int bnx2x_test_nvram(struct bnx2x *bp)
8816{
8817 static const struct {
8818 int offset;
8819 int size;
8820 } nvram_tbl[] = {
8821 { 0, 0x14 }, /* bootstrap */
8822 { 0x14, 0xec }, /* dir */
8823 { 0x100, 0x350 }, /* manuf_info */
8824 { 0x450, 0xf0 }, /* feature_info */
8825 { 0x640, 0x64 }, /* upgrade_key_info */
8826 { 0x6a4, 0x64 },
8827 { 0x708, 0x70 }, /* manuf_key_info */
8828 { 0x778, 0x70 },
8829 { 0, 0 }
8830 };
8831 u32 buf[0x350 / 4];
8832 u8 *data = (u8 *)buf;
8833 int i, rc;
8834 u32 magic, csum;
8835
8836 rc = bnx2x_nvram_read(bp, 0, data, 4);
8837 if (rc) {
8838 DP(NETIF_MSG_PROBE, "magic value read (rc -%d)\n", -rc);
8839 goto test_nvram_exit;
8840 }
8841
8842 magic = be32_to_cpu(buf[0]);
8843 if (magic != 0x669955aa) {
8844 DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
8845 rc = -ENODEV;
8846 goto test_nvram_exit;
8847 }
8848
8849 for (i = 0; nvram_tbl[i].size; i++) {
8850
8851 rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
8852 nvram_tbl[i].size);
8853 if (rc) {
8854 DP(NETIF_MSG_PROBE,
8855 "nvram_tbl[%d] read data (rc -%d)\n", i, -rc);
8856 goto test_nvram_exit;
8857 }
8858
8859 csum = ether_crc_le(nvram_tbl[i].size, data);
8860 if (csum != CRC32_RESIDUAL) {
8861 DP(NETIF_MSG_PROBE,
8862 "nvram_tbl[%d] csum value (0x%08x)\n", i, csum);
8863 rc = -ENODEV;
8864 goto test_nvram_exit;
8865 }
8866 }
8867
8868test_nvram_exit:
8869 return rc;
8870}
8871
8872static int bnx2x_test_intr(struct bnx2x *bp)
8873{
8874 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
8875 int i, rc;
8876
8877 if (!netif_running(bp->dev))
8878 return -ENODEV;
8879
8880 config->hdr.length_6b = 0;
8881 config->hdr.offset = 0;
8882 config->hdr.client_id = BP_CL_ID(bp);
8883 config->hdr.reserved1 = 0;
8884
8885 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
8886 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
8887 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
8888 if (rc == 0) {
8889 bp->set_mac_pending++;
8890 for (i = 0; i < 10; i++) {
8891 if (!bp->set_mac_pending)
8892 break;
8893 msleep_interruptible(10);
8894 }
8895 if (i == 10)
8896 rc = -ENODEV;
8897 }
8898
8899 return rc;
8900}
8901
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008902static void bnx2x_self_test(struct net_device *dev,
8903 struct ethtool_test *etest, u64 *buf)
8904{
8905 struct bnx2x *bp = netdev_priv(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008906
8907 memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
8908
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008909 if (!netif_running(dev))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008910 return;
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008911
Eilon Greenstein33471622008-08-13 15:59:08 -07008912 /* offline tests are not supported in MF mode */
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008913 if (IS_E1HMF(bp))
8914 etest->flags &= ~ETH_TEST_FL_OFFLINE;
8915
8916 if (etest->flags & ETH_TEST_FL_OFFLINE) {
8917 u8 link_up;
8918
8919 link_up = bp->link_vars.link_up;
8920 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8921 bnx2x_nic_load(bp, LOAD_DIAG);
8922 /* wait until link state is restored */
8923 bnx2x_wait_for_link(bp, link_up);
8924
8925 if (bnx2x_test_registers(bp) != 0) {
8926 buf[0] = 1;
8927 etest->flags |= ETH_TEST_FL_FAILED;
8928 }
8929 if (bnx2x_test_memory(bp) != 0) {
8930 buf[1] = 1;
8931 etest->flags |= ETH_TEST_FL_FAILED;
8932 }
8933 buf[2] = bnx2x_test_loopback(bp, link_up);
8934 if (buf[2] != 0)
8935 etest->flags |= ETH_TEST_FL_FAILED;
8936
8937 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8938 bnx2x_nic_load(bp, LOAD_NORMAL);
8939 /* wait until link state is restored */
8940 bnx2x_wait_for_link(bp, link_up);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008941 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008942 if (bnx2x_test_nvram(bp) != 0) {
8943 buf[3] = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008944 etest->flags |= ETH_TEST_FL_FAILED;
8945 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008946 if (bnx2x_test_intr(bp) != 0) {
8947 buf[4] = 1;
8948 etest->flags |= ETH_TEST_FL_FAILED;
8949 }
8950 if (bp->port.pmf)
8951 if (bnx2x_link_test(bp) != 0) {
8952 buf[5] = 1;
8953 etest->flags |= ETH_TEST_FL_FAILED;
8954 }
8955 buf[7] = bnx2x_mc_assert(bp);
8956 if (buf[7] != 0)
8957 etest->flags |= ETH_TEST_FL_FAILED;
8958
8959#ifdef BNX2X_EXTRA_DEBUG
8960 bnx2x_panic_dump(bp);
8961#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008962}
8963
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008964static const struct {
8965 long offset;
8966 int size;
8967 u32 flags;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008968#define STATS_FLAGS_PORT 1
8969#define STATS_FLAGS_FUNC 2
8970 u8 string[ETH_GSTRING_LEN];
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008971} bnx2x_stats_arr[BNX2X_NUM_STATS] = {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008972/* 1 */ { STATS_OFFSET32(valid_bytes_received_hi),
8973 8, STATS_FLAGS_FUNC, "rx_bytes" },
8974 { STATS_OFFSET32(error_bytes_received_hi),
8975 8, STATS_FLAGS_FUNC, "rx_error_bytes" },
8976 { STATS_OFFSET32(total_bytes_transmitted_hi),
8977 8, STATS_FLAGS_FUNC, "tx_bytes" },
8978 { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
8979 8, STATS_FLAGS_PORT, "tx_error_bytes" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008980 { STATS_OFFSET32(total_unicast_packets_received_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008981 8, STATS_FLAGS_FUNC, "rx_ucast_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008982 { STATS_OFFSET32(total_multicast_packets_received_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008983 8, STATS_FLAGS_FUNC, "rx_mcast_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008984 { STATS_OFFSET32(total_broadcast_packets_received_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008985 8, STATS_FLAGS_FUNC, "rx_bcast_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008986 { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008987 8, STATS_FLAGS_FUNC, "tx_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008988 { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008989 8, STATS_FLAGS_PORT, "tx_mac_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008990/* 10 */{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008991 8, STATS_FLAGS_PORT, "tx_carrier_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008992 { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008993 8, STATS_FLAGS_PORT, "rx_crc_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008994 { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008995 8, STATS_FLAGS_PORT, "rx_align_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008996 { STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008997 8, STATS_FLAGS_PORT, "tx_single_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008998 { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008999 8, STATS_FLAGS_PORT, "tx_multi_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009000 { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009001 8, STATS_FLAGS_PORT, "tx_deferred" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009002 { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009003 8, STATS_FLAGS_PORT, "tx_excess_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009004 { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009005 8, STATS_FLAGS_PORT, "tx_late_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009006 { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009007 8, STATS_FLAGS_PORT, "tx_total_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009008 { STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009009 8, STATS_FLAGS_PORT, "rx_fragments" },
9010/* 20 */{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
9011 8, STATS_FLAGS_PORT, "rx_jabbers" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009012 { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009013 8, STATS_FLAGS_PORT, "rx_undersize_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009014 { STATS_OFFSET32(jabber_packets_received),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009015 4, STATS_FLAGS_FUNC, "rx_oversize_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009016 { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009017 8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009018 { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009019 8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009020 { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009021 8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009022 { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009023 8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009024 { STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009025 8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009026 { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009027 8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009028 { STATS_OFFSET32(etherstatspktsover1522octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009029 8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009030/* 30 */{ STATS_OFFSET32(rx_stat_xonpauseframesreceived_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009031 8, STATS_FLAGS_PORT, "rx_xon_frames" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009032 { STATS_OFFSET32(rx_stat_xoffpauseframesreceived_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009033 8, STATS_FLAGS_PORT, "rx_xoff_frames" },
9034 { STATS_OFFSET32(tx_stat_outxonsent_hi),
9035 8, STATS_FLAGS_PORT, "tx_xon_frames" },
9036 { STATS_OFFSET32(tx_stat_outxoffsent_hi),
9037 8, STATS_FLAGS_PORT, "tx_xoff_frames" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009038 { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009039 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
9040 { STATS_OFFSET32(mac_filter_discard),
9041 4, STATS_FLAGS_PORT, "rx_filtered_packets" },
9042 { STATS_OFFSET32(no_buff_discard),
9043 4, STATS_FLAGS_FUNC, "rx_discards" },
9044 { STATS_OFFSET32(xxoverflow_discard),
9045 4, STATS_FLAGS_PORT, "rx_fw_discards" },
9046 { STATS_OFFSET32(brb_drop_hi),
9047 8, STATS_FLAGS_PORT, "brb_discard" },
9048 { STATS_OFFSET32(brb_truncate_hi),
9049 8, STATS_FLAGS_PORT, "brb_truncate" },
9050/* 40 */{ STATS_OFFSET32(rx_err_discard_pkt),
9051 4, STATS_FLAGS_FUNC, "rx_phy_ip_err_discards"},
9052 { STATS_OFFSET32(rx_skb_alloc_failed),
9053 4, STATS_FLAGS_FUNC, "rx_skb_alloc_discard" },
9054/* 42 */{ STATS_OFFSET32(hw_csum_err),
9055 4, STATS_FLAGS_FUNC, "rx_csum_offload_errors" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009056};
9057
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009058#define IS_NOT_E1HMF_STAT(bp, i) \
9059 (IS_E1HMF(bp) && (bnx2x_stats_arr[i].flags & STATS_FLAGS_PORT))
9060
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009061static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
9062{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009063 struct bnx2x *bp = netdev_priv(dev);
9064 int i, j;
9065
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009066 switch (stringset) {
9067 case ETH_SS_STATS:
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009068 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009069 if (IS_NOT_E1HMF_STAT(bp, i))
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009070 continue;
9071 strcpy(buf + j*ETH_GSTRING_LEN,
9072 bnx2x_stats_arr[i].string);
9073 j++;
9074 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009075 break;
9076
9077 case ETH_SS_TEST:
9078 memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
9079 break;
9080 }
9081}
9082
9083static int bnx2x_get_stats_count(struct net_device *dev)
9084{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009085 struct bnx2x *bp = netdev_priv(dev);
9086 int i, num_stats = 0;
9087
9088 for (i = 0; i < BNX2X_NUM_STATS; i++) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009089 if (IS_NOT_E1HMF_STAT(bp, i))
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009090 continue;
9091 num_stats++;
9092 }
9093 return num_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009094}
9095
9096static void bnx2x_get_ethtool_stats(struct net_device *dev,
9097 struct ethtool_stats *stats, u64 *buf)
9098{
9099 struct bnx2x *bp = netdev_priv(dev);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009100 u32 *hw_stats = (u32 *)&bp->eth_stats;
9101 int i, j;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009102
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009103 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009104 if (IS_NOT_E1HMF_STAT(bp, i))
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009105 continue;
9106
9107 if (bnx2x_stats_arr[i].size == 0) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009108 /* skip this counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009109 buf[j] = 0;
9110 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009111 continue;
9112 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009113 if (bnx2x_stats_arr[i].size == 4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009114 /* 4-byte counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009115 buf[j] = (u64) *(hw_stats + bnx2x_stats_arr[i].offset);
9116 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009117 continue;
9118 }
9119 /* 8-byte counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009120 buf[j] = HILO_U64(*(hw_stats + bnx2x_stats_arr[i].offset),
9121 *(hw_stats + bnx2x_stats_arr[i].offset + 1));
9122 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009123 }
9124}
9125
9126static int bnx2x_phys_id(struct net_device *dev, u32 data)
9127{
9128 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009129 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009130 int i;
9131
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009132 if (!netif_running(dev))
9133 return 0;
9134
9135 if (!bp->port.pmf)
9136 return 0;
9137
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009138 if (data == 0)
9139 data = 2;
9140
9141 for (i = 0; i < (data * 2); i++) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009142 if ((i % 2) == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009143 bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009144 bp->link_params.hw_led_mode,
9145 bp->link_params.chip_id);
9146 else
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009147 bnx2x_set_led(bp, port, LED_MODE_OFF, 0,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009148 bp->link_params.hw_led_mode,
9149 bp->link_params.chip_id);
9150
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009151 msleep_interruptible(500);
9152 if (signal_pending(current))
9153 break;
9154 }
9155
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009156 if (bp->link_vars.link_up)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009157 bnx2x_set_led(bp, port, LED_MODE_OPER,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009158 bp->link_vars.line_speed,
9159 bp->link_params.hw_led_mode,
9160 bp->link_params.chip_id);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009161
9162 return 0;
9163}
9164
9165static struct ethtool_ops bnx2x_ethtool_ops = {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009166 .get_settings = bnx2x_get_settings,
9167 .set_settings = bnx2x_set_settings,
9168 .get_drvinfo = bnx2x_get_drvinfo,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009169 .get_wol = bnx2x_get_wol,
9170 .set_wol = bnx2x_set_wol,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009171 .get_msglevel = bnx2x_get_msglevel,
9172 .set_msglevel = bnx2x_set_msglevel,
9173 .nway_reset = bnx2x_nway_reset,
9174 .get_link = ethtool_op_get_link,
9175 .get_eeprom_len = bnx2x_get_eeprom_len,
9176 .get_eeprom = bnx2x_get_eeprom,
9177 .set_eeprom = bnx2x_set_eeprom,
9178 .get_coalesce = bnx2x_get_coalesce,
9179 .set_coalesce = bnx2x_set_coalesce,
9180 .get_ringparam = bnx2x_get_ringparam,
9181 .set_ringparam = bnx2x_set_ringparam,
9182 .get_pauseparam = bnx2x_get_pauseparam,
9183 .set_pauseparam = bnx2x_set_pauseparam,
9184 .get_rx_csum = bnx2x_get_rx_csum,
9185 .set_rx_csum = bnx2x_set_rx_csum,
9186 .get_tx_csum = ethtool_op_get_tx_csum,
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009187 .set_tx_csum = ethtool_op_set_tx_hw_csum,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009188 .set_flags = bnx2x_set_flags,
9189 .get_flags = ethtool_op_get_flags,
9190 .get_sg = ethtool_op_get_sg,
9191 .set_sg = ethtool_op_set_sg,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009192 .get_tso = ethtool_op_get_tso,
9193 .set_tso = bnx2x_set_tso,
9194 .self_test_count = bnx2x_self_test_count,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009195 .self_test = bnx2x_self_test,
9196 .get_strings = bnx2x_get_strings,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009197 .phys_id = bnx2x_phys_id,
9198 .get_stats_count = bnx2x_get_stats_count,
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009199 .get_ethtool_stats = bnx2x_get_ethtool_stats,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009200};
9201
9202/* end of ethtool_ops */
9203
9204/****************************************************************************
9205* General service functions
9206****************************************************************************/
9207
9208static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
9209{
9210 u16 pmcsr;
9211
9212 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
9213
9214 switch (state) {
9215 case PCI_D0:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009216 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009217 ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
9218 PCI_PM_CTRL_PME_STATUS));
9219
9220 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
Eilon Greenstein33471622008-08-13 15:59:08 -07009221 /* delay required during transition out of D3hot */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009222 msleep(20);
9223 break;
9224
9225 case PCI_D3hot:
9226 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
9227 pmcsr |= 3;
9228
9229 if (bp->wol)
9230 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
9231
9232 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
9233 pmcsr);
9234
9235 /* No more memory access after this point until
9236 * device is brought back to D0.
9237 */
9238 break;
9239
9240 default:
9241 return -EINVAL;
9242 }
9243 return 0;
9244}
9245
9246/*
9247 * net_device service functions
9248 */
9249
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009250static int bnx2x_poll(struct napi_struct *napi, int budget)
9251{
9252 struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath,
9253 napi);
9254 struct bnx2x *bp = fp->bp;
9255 int work_done = 0;
Eilon Greenstein2772f902008-08-25 15:19:17 -07009256 u16 rx_cons_sb;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009257
9258#ifdef BNX2X_STOP_ON_ERROR
9259 if (unlikely(bp->panic))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009260 goto poll_panic;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009261#endif
9262
9263 prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb);
9264 prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb);
9265 prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256);
9266
9267 bnx2x_update_fpsb_idx(fp);
9268
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009269 if (BNX2X_HAS_TX_WORK(fp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009270 bnx2x_tx_int(fp, budget);
9271
Eilon Greenstein2772f902008-08-25 15:19:17 -07009272 rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
9273 if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
9274 rx_cons_sb++;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009275 if (BNX2X_HAS_RX_WORK(fp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009276 work_done = bnx2x_rx_int(fp, budget);
9277
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009278 rmb(); /* BNX2X_HAS_WORK() reads the status block */
Eilon Greenstein2772f902008-08-25 15:19:17 -07009279 rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
9280 if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
9281 rx_cons_sb++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009282
9283 /* must not complete if we consumed full budget */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009284 if ((work_done < budget) && !BNX2X_HAS_WORK(fp)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009285
9286#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009287poll_panic:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009288#endif
9289 netif_rx_complete(bp->dev, napi);
9290
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009291 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009292 le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009293 bnx2x_ack_sb(bp, FP_SB_ID(fp), CSTORM_ID,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009294 le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
9295 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009296 return work_done;
9297}
9298
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009299
9300/* we split the first BD into headers and data BDs
Eilon Greenstein33471622008-08-13 15:59:08 -07009301 * to ease the pain of our fellow microcode engineers
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009302 * we use one mapping for both BDs
9303 * So far this has only been observed to happen
9304 * in Other Operating Systems(TM)
9305 */
9306static noinline u16 bnx2x_tx_split(struct bnx2x *bp,
9307 struct bnx2x_fastpath *fp,
9308 struct eth_tx_bd **tx_bd, u16 hlen,
9309 u16 bd_prod, int nbd)
9310{
9311 struct eth_tx_bd *h_tx_bd = *tx_bd;
9312 struct eth_tx_bd *d_tx_bd;
9313 dma_addr_t mapping;
9314 int old_len = le16_to_cpu(h_tx_bd->nbytes);
9315
9316 /* first fix first BD */
9317 h_tx_bd->nbd = cpu_to_le16(nbd);
9318 h_tx_bd->nbytes = cpu_to_le16(hlen);
9319
9320 DP(NETIF_MSG_TX_QUEUED, "TSO split header size is %d "
9321 "(%x:%x) nbd %d\n", h_tx_bd->nbytes, h_tx_bd->addr_hi,
9322 h_tx_bd->addr_lo, h_tx_bd->nbd);
9323
9324 /* now get a new data BD
9325 * (after the pbd) and fill it */
9326 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9327 d_tx_bd = &fp->tx_desc_ring[bd_prod];
9328
9329 mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi),
9330 le32_to_cpu(h_tx_bd->addr_lo)) + hlen;
9331
9332 d_tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9333 d_tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9334 d_tx_bd->nbytes = cpu_to_le16(old_len - hlen);
9335 d_tx_bd->vlan = 0;
9336 /* this marks the BD as one that has no individual mapping
9337 * the FW ignores this flag in a BD not marked start
9338 */
9339 d_tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO;
9340 DP(NETIF_MSG_TX_QUEUED,
9341 "TSO split data size is %d (%x:%x)\n",
9342 d_tx_bd->nbytes, d_tx_bd->addr_hi, d_tx_bd->addr_lo);
9343
9344 /* update tx_bd for marking the last BD flag */
9345 *tx_bd = d_tx_bd;
9346
9347 return bd_prod;
9348}
9349
9350static inline u16 bnx2x_csum_fix(unsigned char *t_header, u16 csum, s8 fix)
9351{
9352 if (fix > 0)
9353 csum = (u16) ~csum_fold(csum_sub(csum,
9354 csum_partial(t_header - fix, fix, 0)));
9355
9356 else if (fix < 0)
9357 csum = (u16) ~csum_fold(csum_add(csum,
9358 csum_partial(t_header, -fix, 0)));
9359
9360 return swab16(csum);
9361}
9362
9363static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
9364{
9365 u32 rc;
9366
9367 if (skb->ip_summed != CHECKSUM_PARTIAL)
9368 rc = XMIT_PLAIN;
9369
9370 else {
9371 if (skb->protocol == ntohs(ETH_P_IPV6)) {
9372 rc = XMIT_CSUM_V6;
9373 if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
9374 rc |= XMIT_CSUM_TCP;
9375
9376 } else {
9377 rc = XMIT_CSUM_V4;
9378 if (ip_hdr(skb)->protocol == IPPROTO_TCP)
9379 rc |= XMIT_CSUM_TCP;
9380 }
9381 }
9382
9383 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4)
9384 rc |= XMIT_GSO_V4;
9385
9386 else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
9387 rc |= XMIT_GSO_V6;
9388
9389 return rc;
9390}
9391
9392/* check if packet requires linearization (packet is too fragmented) */
9393static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
9394 u32 xmit_type)
9395{
9396 int to_copy = 0;
9397 int hlen = 0;
9398 int first_bd_sz = 0;
9399
9400 /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
9401 if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) {
9402
9403 if (xmit_type & XMIT_GSO) {
9404 unsigned short lso_mss = skb_shinfo(skb)->gso_size;
9405 /* Check if LSO packet needs to be copied:
9406 3 = 1 (for headers BD) + 2 (for PBD and last BD) */
9407 int wnd_size = MAX_FETCH_BD - 3;
Eilon Greenstein33471622008-08-13 15:59:08 -07009408 /* Number of windows to check */
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009409 int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size;
9410 int wnd_idx = 0;
9411 int frag_idx = 0;
9412 u32 wnd_sum = 0;
9413
9414 /* Headers length */
9415 hlen = (int)(skb_transport_header(skb) - skb->data) +
9416 tcp_hdrlen(skb);
9417
9418 /* Amount of data (w/o headers) on linear part of SKB*/
9419 first_bd_sz = skb_headlen(skb) - hlen;
9420
9421 wnd_sum = first_bd_sz;
9422
9423 /* Calculate the first sum - it's special */
9424 for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++)
9425 wnd_sum +=
9426 skb_shinfo(skb)->frags[frag_idx].size;
9427
9428 /* If there was data on linear skb data - check it */
9429 if (first_bd_sz > 0) {
9430 if (unlikely(wnd_sum < lso_mss)) {
9431 to_copy = 1;
9432 goto exit_lbl;
9433 }
9434
9435 wnd_sum -= first_bd_sz;
9436 }
9437
9438 /* Others are easier: run through the frag list and
9439 check all windows */
9440 for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) {
9441 wnd_sum +=
9442 skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size;
9443
9444 if (unlikely(wnd_sum < lso_mss)) {
9445 to_copy = 1;
9446 break;
9447 }
9448 wnd_sum -=
9449 skb_shinfo(skb)->frags[wnd_idx].size;
9450 }
9451
9452 } else {
9453 /* in non-LSO too fragmented packet should always
9454 be linearized */
9455 to_copy = 1;
9456 }
9457 }
9458
9459exit_lbl:
9460 if (unlikely(to_copy))
9461 DP(NETIF_MSG_TX_QUEUED,
9462 "Linearization IS REQUIRED for %s packet. "
9463 "num_frags %d hlen %d first_bd_sz %d\n",
9464 (xmit_type & XMIT_GSO) ? "LSO" : "non-LSO",
9465 skb_shinfo(skb)->nr_frags, hlen, first_bd_sz);
9466
9467 return to_copy;
9468}
9469
9470/* called with netif_tx_lock
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009471 * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009472 * netif_wake_queue()
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009473 */
9474static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
9475{
9476 struct bnx2x *bp = netdev_priv(dev);
9477 struct bnx2x_fastpath *fp;
9478 struct sw_tx_bd *tx_buf;
9479 struct eth_tx_bd *tx_bd;
9480 struct eth_tx_parse_bd *pbd = NULL;
9481 u16 pkt_prod, bd_prod;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009482 int nbd, fp_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009483 dma_addr_t mapping;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009484 u32 xmit_type = bnx2x_xmit_type(bp, skb);
9485 int vlan_off = (bp->e1hov ? 4 : 0);
9486 int i;
9487 u8 hlen = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009488
9489#ifdef BNX2X_STOP_ON_ERROR
9490 if (unlikely(bp->panic))
9491 return NETDEV_TX_BUSY;
9492#endif
9493
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009494 fp_index = (smp_processor_id() % bp->num_queues);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009495 fp = &bp->fp[fp_index];
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009496
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009497 if (unlikely(bnx2x_tx_avail(bp->fp) <
9498 (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) {
9561
9562 /* turn on parsing and get a BD */
9563 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9564 pbd = (void *)&fp->tx_desc_ring[bd_prod];
9565
9566 memset(pbd, 0, sizeof(struct eth_tx_parse_bd));
9567 }
9568
9569 if (xmit_type & XMIT_CSUM) {
9570 hlen = (skb_network_header(skb) - skb->data + vlan_off) / 2;
9571
9572 /* for now NS flag is not used in Linux */
9573 pbd->global_data = (hlen |
9574 ((skb->protocol == ntohs(ETH_P_8021Q)) <<
9575 ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT));
9576
9577 pbd->ip_hlen = (skb_transport_header(skb) -
9578 skb_network_header(skb)) / 2;
9579
9580 hlen += pbd->ip_hlen + tcp_hdrlen(skb) / 2;
9581
9582 pbd->total_hlen = cpu_to_le16(hlen);
9583 hlen = hlen*2 - vlan_off;
9584
9585 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM;
9586
9587 if (xmit_type & XMIT_CSUM_V4)
9588 tx_bd->bd_flags.as_bitfield |=
9589 ETH_TX_BD_FLAGS_IP_CSUM;
9590 else
9591 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IPV6;
9592
9593 if (xmit_type & XMIT_CSUM_TCP) {
9594 pbd->tcp_pseudo_csum = swab16(tcp_hdr(skb)->check);
9595
9596 } else {
9597 s8 fix = SKB_CS_OFF(skb); /* signed! */
9598
9599 pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG;
9600 pbd->cs_offset = fix / 2;
9601
9602 DP(NETIF_MSG_TX_QUEUED,
9603 "hlen %d offset %d fix %d csum before fix %x\n",
9604 le16_to_cpu(pbd->total_hlen), pbd->cs_offset, fix,
9605 SKB_CS(skb));
9606
9607 /* HW bug: fixup the CSUM */
9608 pbd->tcp_pseudo_csum =
9609 bnx2x_csum_fix(skb_transport_header(skb),
9610 SKB_CS(skb), fix);
9611
9612 DP(NETIF_MSG_TX_QUEUED, "csum after fix %x\n",
9613 pbd->tcp_pseudo_csum);
9614 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009615 }
9616
9617 mapping = pci_map_single(bp->pdev, skb->data,
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009618 skb_headlen(skb), PCI_DMA_TODEVICE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009619
9620 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9621 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
Eilon Greenstein6378c022008-08-13 15:59:25 -07009622 nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL) ? 1 : 2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009623 tx_bd->nbd = cpu_to_le16(nbd);
9624 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
9625
9626 DP(NETIF_MSG_TX_QUEUED, "first bd @%p addr (%x:%x) nbd %d"
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009627 " nbytes %d flags %x vlan %x\n",
9628 tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, le16_to_cpu(tx_bd->nbd),
9629 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield,
9630 le16_to_cpu(tx_bd->vlan));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009631
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009632 if (xmit_type & XMIT_GSO) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009633
9634 DP(NETIF_MSG_TX_QUEUED,
9635 "TSO packet len %d hlen %d total len %d tso size %d\n",
9636 skb->len, hlen, skb_headlen(skb),
9637 skb_shinfo(skb)->gso_size);
9638
9639 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO;
9640
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009641 if (unlikely(skb_headlen(skb) > hlen))
9642 bd_prod = bnx2x_tx_split(bp, fp, &tx_bd, hlen,
9643 bd_prod, ++nbd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009644
9645 pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
9646 pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009647 pbd->tcp_flags = pbd_tcp_flags(skb);
9648
9649 if (xmit_type & XMIT_GSO_V4) {
9650 pbd->ip_id = swab16(ip_hdr(skb)->id);
9651 pbd->tcp_pseudo_csum =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009652 swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr,
9653 ip_hdr(skb)->daddr,
9654 0, IPPROTO_TCP, 0));
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009655
9656 } else
9657 pbd->tcp_pseudo_csum =
9658 swab16(~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
9659 &ipv6_hdr(skb)->daddr,
9660 0, IPPROTO_TCP, 0));
9661
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009662 pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN;
9663 }
9664
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009665 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
9666 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009667
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009668 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9669 tx_bd = &fp->tx_desc_ring[bd_prod];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009670
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009671 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
9672 frag->size, PCI_DMA_TODEVICE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009673
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009674 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9675 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9676 tx_bd->nbytes = cpu_to_le16(frag->size);
9677 tx_bd->vlan = cpu_to_le16(pkt_prod);
9678 tx_bd->bd_flags.as_bitfield = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009679
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009680 DP(NETIF_MSG_TX_QUEUED,
9681 "frag %d bd @%p addr (%x:%x) nbytes %d flags %x\n",
9682 i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo,
9683 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009684 }
9685
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009686 /* now at last mark the BD as the last BD */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009687 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD;
9688
9689 DP(NETIF_MSG_TX_QUEUED, "last bd @%p flags %x\n",
9690 tx_bd, tx_bd->bd_flags.as_bitfield);
9691
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009692 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9693
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009694 /* now send a tx doorbell, counting the next BD
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009695 * if the packet contains or ends with it
9696 */
9697 if (TX_BD_POFF(bd_prod) < nbd)
9698 nbd++;
9699
9700 if (pbd)
9701 DP(NETIF_MSG_TX_QUEUED,
9702 "PBD @%p ip_data %x ip_hlen %u ip_id %u lso_mss %u"
9703 " tcp_flags %x xsum %x seq %u hlen %u\n",
9704 pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id,
9705 pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum,
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009706 pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009707
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009708 DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d bd %u\n", nbd, bd_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009709
Eliezer Tamir96fc1782008-02-28 11:57:55 -08009710 fp->hw_tx_prods->bds_prod =
9711 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + nbd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009712 mb(); /* FW restriction: must not reorder writing nbd and packets */
Eliezer Tamir96fc1782008-02-28 11:57:55 -08009713 fp->hw_tx_prods->packets_prod =
9714 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009715 DOORBELL(bp, FP_IDX(fp), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009716
9717 mmiowb();
9718
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009719 fp->tx_bd_prod += nbd;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009720 dev->trans_start = jiffies;
9721
9722 if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
9723 netif_stop_queue(dev);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009724 bp->eth_stats.driver_xoff++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009725 if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
9726 netif_wake_queue(dev);
9727 }
9728 fp->tx_pkt++;
9729
9730 return NETDEV_TX_OK;
9731}
9732
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009733/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009734static int bnx2x_open(struct net_device *dev)
9735{
9736 struct bnx2x *bp = netdev_priv(dev);
9737
9738 bnx2x_set_power_state(bp, PCI_D0);
9739
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009740 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009741}
9742
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009743/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009744static int bnx2x_close(struct net_device *dev)
9745{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009746 struct bnx2x *bp = netdev_priv(dev);
9747
9748 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009749 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
9750 if (atomic_read(&bp->pdev->enable_cnt) == 1)
9751 if (!CHIP_REV_IS_SLOW(bp))
9752 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009753
9754 return 0;
9755}
9756
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009757/* called with netif_tx_lock from set_multicast */
9758static void bnx2x_set_rx_mode(struct net_device *dev)
9759{
9760 struct bnx2x *bp = netdev_priv(dev);
9761 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
9762 int port = BP_PORT(bp);
9763
9764 if (bp->state != BNX2X_STATE_OPEN) {
9765 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
9766 return;
9767 }
9768
9769 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
9770
9771 if (dev->flags & IFF_PROMISC)
9772 rx_mode = BNX2X_RX_MODE_PROMISC;
9773
9774 else if ((dev->flags & IFF_ALLMULTI) ||
9775 ((dev->mc_count > BNX2X_MAX_MULTICAST) && CHIP_IS_E1(bp)))
9776 rx_mode = BNX2X_RX_MODE_ALLMULTI;
9777
9778 else { /* some multicasts */
9779 if (CHIP_IS_E1(bp)) {
9780 int i, old, offset;
9781 struct dev_mc_list *mclist;
9782 struct mac_configuration_cmd *config =
9783 bnx2x_sp(bp, mcast_config);
9784
9785 for (i = 0, mclist = dev->mc_list;
9786 mclist && (i < dev->mc_count);
9787 i++, mclist = mclist->next) {
9788
9789 config->config_table[i].
9790 cam_entry.msb_mac_addr =
9791 swab16(*(u16 *)&mclist->dmi_addr[0]);
9792 config->config_table[i].
9793 cam_entry.middle_mac_addr =
9794 swab16(*(u16 *)&mclist->dmi_addr[2]);
9795 config->config_table[i].
9796 cam_entry.lsb_mac_addr =
9797 swab16(*(u16 *)&mclist->dmi_addr[4]);
9798 config->config_table[i].cam_entry.flags =
9799 cpu_to_le16(port);
9800 config->config_table[i].
9801 target_table_entry.flags = 0;
9802 config->config_table[i].
9803 target_table_entry.client_id = 0;
9804 config->config_table[i].
9805 target_table_entry.vlan_id = 0;
9806
9807 DP(NETIF_MSG_IFUP,
9808 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
9809 config->config_table[i].
9810 cam_entry.msb_mac_addr,
9811 config->config_table[i].
9812 cam_entry.middle_mac_addr,
9813 config->config_table[i].
9814 cam_entry.lsb_mac_addr);
9815 }
9816 old = config->hdr.length_6b;
9817 if (old > i) {
9818 for (; i < old; i++) {
9819 if (CAM_IS_INVALID(config->
9820 config_table[i])) {
9821 i--; /* already invalidated */
9822 break;
9823 }
9824 /* invalidate */
9825 CAM_INVALIDATE(config->
9826 config_table[i]);
9827 }
9828 }
9829
9830 if (CHIP_REV_IS_SLOW(bp))
9831 offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
9832 else
9833 offset = BNX2X_MAX_MULTICAST*(1 + port);
9834
9835 config->hdr.length_6b = i;
9836 config->hdr.offset = offset;
9837 config->hdr.client_id = BP_CL_ID(bp);
9838 config->hdr.reserved1 = 0;
9839
9840 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
9841 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
9842 U64_LO(bnx2x_sp_mapping(bp, mcast_config)),
9843 0);
9844 } else { /* E1H */
9845 /* Accept one or more multicasts */
9846 struct dev_mc_list *mclist;
9847 u32 mc_filter[MC_HASH_SIZE];
9848 u32 crc, bit, regidx;
9849 int i;
9850
9851 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
9852
9853 for (i = 0, mclist = dev->mc_list;
9854 mclist && (i < dev->mc_count);
9855 i++, mclist = mclist->next) {
9856
9857 DP(NETIF_MSG_IFUP, "Adding mcast MAC: "
9858 "%02x:%02x:%02x:%02x:%02x:%02x\n",
9859 mclist->dmi_addr[0], mclist->dmi_addr[1],
9860 mclist->dmi_addr[2], mclist->dmi_addr[3],
9861 mclist->dmi_addr[4], mclist->dmi_addr[5]);
9862
9863 crc = crc32c_le(0, mclist->dmi_addr, ETH_ALEN);
9864 bit = (crc >> 24) & 0xff;
9865 regidx = bit >> 5;
9866 bit &= 0x1f;
9867 mc_filter[regidx] |= (1 << bit);
9868 }
9869
9870 for (i = 0; i < MC_HASH_SIZE; i++)
9871 REG_WR(bp, MC_HASH_OFFSET(bp, i),
9872 mc_filter[i]);
9873 }
9874 }
9875
9876 bp->rx_mode = rx_mode;
9877 bnx2x_set_storm_rx_mode(bp);
9878}
9879
9880/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009881static int bnx2x_change_mac_addr(struct net_device *dev, void *p)
9882{
9883 struct sockaddr *addr = p;
9884 struct bnx2x *bp = netdev_priv(dev);
9885
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009886 if (!is_valid_ether_addr((u8 *)(addr->sa_data)))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009887 return -EINVAL;
9888
9889 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009890 if (netif_running(dev)) {
9891 if (CHIP_IS_E1(bp))
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07009892 bnx2x_set_mac_addr_e1(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009893 else
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07009894 bnx2x_set_mac_addr_e1h(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009895 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009896
9897 return 0;
9898}
9899
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009900/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009901static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9902{
9903 struct mii_ioctl_data *data = if_mii(ifr);
9904 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein3196a882008-08-13 15:58:49 -07009905 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009906 int err;
9907
9908 switch (cmd) {
9909 case SIOCGMIIPHY:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009910 data->phy_id = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009911
Eliezer Tamirc14423f2008-02-28 11:49:42 -08009912 /* fallthrough */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009913
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009914 case SIOCGMIIREG: {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009915 u16 mii_regval;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009916
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009917 if (!netif_running(dev))
9918 return -EAGAIN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009919
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009920 mutex_lock(&bp->port.phy_mutex);
Eilon Greenstein3196a882008-08-13 15:58:49 -07009921 err = bnx2x_cl45_read(bp, port, 0, bp->port.phy_addr,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009922 DEFAULT_PHY_DEV_ADDR,
9923 (data->reg_num & 0x1f), &mii_regval);
9924 data->val_out = mii_regval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009925 mutex_unlock(&bp->port.phy_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009926 return err;
9927 }
9928
9929 case SIOCSMIIREG:
9930 if (!capable(CAP_NET_ADMIN))
9931 return -EPERM;
9932
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009933 if (!netif_running(dev))
9934 return -EAGAIN;
9935
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009936 mutex_lock(&bp->port.phy_mutex);
Eilon Greenstein3196a882008-08-13 15:58:49 -07009937 err = bnx2x_cl45_write(bp, port, 0, bp->port.phy_addr,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009938 DEFAULT_PHY_DEV_ADDR,
9939 (data->reg_num & 0x1f), data->val_in);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009940 mutex_unlock(&bp->port.phy_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009941 return err;
9942
9943 default:
9944 /* do nothing */
9945 break;
9946 }
9947
9948 return -EOPNOTSUPP;
9949}
9950
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009951/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009952static int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
9953{
9954 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009955 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009956
9957 if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) ||
9958 ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE))
9959 return -EINVAL;
9960
9961 /* This does not race with packet allocation
Eliezer Tamirc14423f2008-02-28 11:49:42 -08009962 * because the actual alloc size is
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009963 * only updated as part of load
9964 */
9965 dev->mtu = new_mtu;
9966
9967 if (netif_running(dev)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009968 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
9969 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009970 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009971
9972 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009973}
9974
9975static void bnx2x_tx_timeout(struct net_device *dev)
9976{
9977 struct bnx2x *bp = netdev_priv(dev);
9978
9979#ifdef BNX2X_STOP_ON_ERROR
9980 if (!bp->panic)
9981 bnx2x_panic();
9982#endif
9983 /* This allows the netif to be shutdown gracefully before resetting */
9984 schedule_work(&bp->reset_task);
9985}
9986
9987#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009988/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009989static void bnx2x_vlan_rx_register(struct net_device *dev,
9990 struct vlan_group *vlgrp)
9991{
9992 struct bnx2x *bp = netdev_priv(dev);
9993
9994 bp->vlgrp = vlgrp;
9995 if (netif_running(dev))
Eliezer Tamir49d66772008-02-28 11:53:13 -08009996 bnx2x_set_client_config(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009997}
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009998
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009999#endif
10000
10001#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
10002static void poll_bnx2x(struct net_device *dev)
10003{
10004 struct bnx2x *bp = netdev_priv(dev);
10005
10006 disable_irq(bp->pdev->irq);
10007 bnx2x_interrupt(bp->pdev->irq, dev);
10008 enable_irq(bp->pdev->irq);
10009}
10010#endif
10011
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010012static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
10013 struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010014{
10015 struct bnx2x *bp;
10016 int rc;
10017
10018 SET_NETDEV_DEV(dev, &pdev->dev);
10019 bp = netdev_priv(dev);
10020
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010021 bp->dev = dev;
10022 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010023 bp->flags = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010024 bp->func = PCI_FUNC(pdev->devfn);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010025
10026 rc = pci_enable_device(pdev);
10027 if (rc) {
10028 printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n");
10029 goto err_out;
10030 }
10031
10032 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
10033 printk(KERN_ERR PFX "Cannot find PCI device base address,"
10034 " aborting\n");
10035 rc = -ENODEV;
10036 goto err_out_disable;
10037 }
10038
10039 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
10040 printk(KERN_ERR PFX "Cannot find second PCI device"
10041 " base address, aborting\n");
10042 rc = -ENODEV;
10043 goto err_out_disable;
10044 }
10045
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010046 if (atomic_read(&pdev->enable_cnt) == 1) {
10047 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
10048 if (rc) {
10049 printk(KERN_ERR PFX "Cannot obtain PCI resources,"
10050 " aborting\n");
10051 goto err_out_disable;
10052 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010053
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010054 pci_set_master(pdev);
10055 pci_save_state(pdev);
10056 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010057
10058 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
10059 if (bp->pm_cap == 0) {
10060 printk(KERN_ERR PFX "Cannot find power management"
10061 " capability, aborting\n");
10062 rc = -EIO;
10063 goto err_out_release;
10064 }
10065
10066 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
10067 if (bp->pcie_cap == 0) {
10068 printk(KERN_ERR PFX "Cannot find PCI Express capability,"
10069 " aborting\n");
10070 rc = -EIO;
10071 goto err_out_release;
10072 }
10073
10074 if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
10075 bp->flags |= USING_DAC_FLAG;
10076 if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
10077 printk(KERN_ERR PFX "pci_set_consistent_dma_mask"
10078 " failed, aborting\n");
10079 rc = -EIO;
10080 goto err_out_release;
10081 }
10082
10083 } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
10084 printk(KERN_ERR PFX "System does not support DMA,"
10085 " aborting\n");
10086 rc = -EIO;
10087 goto err_out_release;
10088 }
10089
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010090 dev->mem_start = pci_resource_start(pdev, 0);
10091 dev->base_addr = dev->mem_start;
10092 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010093
10094 dev->irq = pdev->irq;
10095
10096 bp->regview = ioremap_nocache(dev->base_addr,
10097 pci_resource_len(pdev, 0));
10098 if (!bp->regview) {
10099 printk(KERN_ERR PFX "Cannot map register space, aborting\n");
10100 rc = -ENOMEM;
10101 goto err_out_release;
10102 }
10103
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010104 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
10105 min_t(u64, BNX2X_DB_SIZE,
10106 pci_resource_len(pdev, 2)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010107 if (!bp->doorbells) {
10108 printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n");
10109 rc = -ENOMEM;
10110 goto err_out_unmap;
10111 }
10112
10113 bnx2x_set_power_state(bp, PCI_D0);
10114
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010115 /* clean indirect addresses */
10116 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
10117 PCICFG_VENDOR_ID_OFFSET);
10118 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
10119 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
10120 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
10121 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010122
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010123 dev->hard_start_xmit = bnx2x_start_xmit;
10124 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010125
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010126 dev->ethtool_ops = &bnx2x_ethtool_ops;
10127 dev->open = bnx2x_open;
10128 dev->stop = bnx2x_close;
10129 dev->set_multicast_list = bnx2x_set_rx_mode;
10130 dev->set_mac_address = bnx2x_change_mac_addr;
10131 dev->do_ioctl = bnx2x_ioctl;
10132 dev->change_mtu = bnx2x_change_mtu;
10133 dev->tx_timeout = bnx2x_tx_timeout;
10134#ifdef BCM_VLAN
10135 dev->vlan_rx_register = bnx2x_vlan_rx_register;
10136#endif
10137#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
10138 dev->poll_controller = poll_bnx2x;
10139#endif
10140 dev->features |= NETIF_F_SG;
10141 dev->features |= NETIF_F_HW_CSUM;
10142 if (bp->flags & USING_DAC_FLAG)
10143 dev->features |= NETIF_F_HIGHDMA;
10144#ifdef BCM_VLAN
10145 dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
10146#endif
10147 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735eb2008-06-23 20:35:13 -070010148 dev->features |= NETIF_F_TSO6;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010149
10150 return 0;
10151
10152err_out_unmap:
10153 if (bp->regview) {
10154 iounmap(bp->regview);
10155 bp->regview = NULL;
10156 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010157 if (bp->doorbells) {
10158 iounmap(bp->doorbells);
10159 bp->doorbells = NULL;
10160 }
10161
10162err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010163 if (atomic_read(&pdev->enable_cnt) == 1)
10164 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010165
10166err_out_disable:
10167 pci_disable_device(pdev);
10168 pci_set_drvdata(pdev, NULL);
10169
10170err_out:
10171 return rc;
10172}
10173
Eliezer Tamir25047952008-02-28 11:50:16 -080010174static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp)
10175{
10176 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10177
10178 val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
10179 return val;
10180}
10181
10182/* return value of 1=2.5GHz 2=5GHz */
10183static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp)
10184{
10185 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10186
10187 val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
10188 return val;
10189}
10190
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010191static int __devinit bnx2x_init_one(struct pci_dev *pdev,
10192 const struct pci_device_id *ent)
10193{
10194 static int version_printed;
10195 struct net_device *dev = NULL;
10196 struct bnx2x *bp;
Eliezer Tamir25047952008-02-28 11:50:16 -080010197 int rc;
Eliezer Tamir25047952008-02-28 11:50:16 -080010198 DECLARE_MAC_BUF(mac);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010199
10200 if (version_printed++ == 0)
10201 printk(KERN_INFO "%s", version);
10202
10203 /* dev zeroed in init_etherdev */
10204 dev = alloc_etherdev(sizeof(*bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010205 if (!dev) {
10206 printk(KERN_ERR PFX "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010207 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010208 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010209
10210 netif_carrier_off(dev);
10211
10212 bp = netdev_priv(dev);
10213 bp->msglevel = debug;
10214
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010215 rc = bnx2x_init_dev(pdev, dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010216 if (rc < 0) {
10217 free_netdev(dev);
10218 return rc;
10219 }
10220
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010221 rc = register_netdev(dev);
10222 if (rc) {
Eliezer Tamirc14423f2008-02-28 11:49:42 -080010223 dev_err(&pdev->dev, "Cannot register net device\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010224 goto init_one_exit;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010225 }
10226
10227 pci_set_drvdata(pdev, dev);
10228
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010229 rc = bnx2x_init_bp(bp);
10230 if (rc) {
10231 unregister_netdev(dev);
10232 goto init_one_exit;
10233 }
10234
10235 bp->common.name = board_info[ent->driver_data].name;
Eliezer Tamir25047952008-02-28 11:50:16 -080010236 printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx,"
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010237 " IRQ %d, ", dev->name, bp->common.name,
10238 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
Eliezer Tamir25047952008-02-28 11:50:16 -080010239 bnx2x_get_pcie_width(bp),
10240 (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz",
10241 dev->base_addr, bp->pdev->irq);
10242 printk(KERN_CONT "node addr %s\n", print_mac(mac, dev->dev_addr));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010243 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010244
10245init_one_exit:
10246 if (bp->regview)
10247 iounmap(bp->regview);
10248
10249 if (bp->doorbells)
10250 iounmap(bp->doorbells);
10251
10252 free_netdev(dev);
10253
10254 if (atomic_read(&pdev->enable_cnt) == 1)
10255 pci_release_regions(pdev);
10256
10257 pci_disable_device(pdev);
10258 pci_set_drvdata(pdev, NULL);
10259
10260 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010261}
10262
10263static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
10264{
10265 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010266 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010267
Eliezer Tamir228241e2008-02-28 11:56:57 -080010268 if (!dev) {
Eliezer Tamir228241e2008-02-28 11:56:57 -080010269 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10270 return;
10271 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010272 bp = netdev_priv(dev);
10273
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010274 unregister_netdev(dev);
10275
10276 if (bp->regview)
10277 iounmap(bp->regview);
10278
10279 if (bp->doorbells)
10280 iounmap(bp->doorbells);
10281
10282 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010283
10284 if (atomic_read(&pdev->enable_cnt) == 1)
10285 pci_release_regions(pdev);
10286
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010287 pci_disable_device(pdev);
10288 pci_set_drvdata(pdev, NULL);
10289}
10290
10291static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
10292{
10293 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010294 struct bnx2x *bp;
10295
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010296 if (!dev) {
10297 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10298 return -ENODEV;
10299 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010300 bp = netdev_priv(dev);
10301
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010302 rtnl_lock();
10303
10304 pci_save_state(pdev);
10305
10306 if (!netif_running(dev)) {
10307 rtnl_unlock();
10308 return 0;
10309 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010310
10311 netif_device_detach(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010312
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -070010313 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010314
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010315 bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
Eliezer Tamir228241e2008-02-28 11:56:57 -080010316
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010317 rtnl_unlock();
10318
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010319 return 0;
10320}
10321
10322static int bnx2x_resume(struct pci_dev *pdev)
10323{
10324 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010325 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010326 int rc;
10327
Eliezer Tamir228241e2008-02-28 11:56:57 -080010328 if (!dev) {
10329 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10330 return -ENODEV;
10331 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010332 bp = netdev_priv(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010333
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010334 rtnl_lock();
10335
Eliezer Tamir228241e2008-02-28 11:56:57 -080010336 pci_restore_state(pdev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010337
10338 if (!netif_running(dev)) {
10339 rtnl_unlock();
10340 return 0;
10341 }
10342
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010343 bnx2x_set_power_state(bp, PCI_D0);
10344 netif_device_attach(dev);
10345
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -070010346 rc = bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010347
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010348 rtnl_unlock();
10349
10350 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010351}
10352
Wendy Xiong493adb12008-06-23 20:36:22 -070010353/**
10354 * bnx2x_io_error_detected - called when PCI error is detected
10355 * @pdev: Pointer to PCI device
10356 * @state: The current pci connection state
10357 *
10358 * This function is called after a PCI bus error affecting
10359 * this device has been detected.
10360 */
10361static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
10362 pci_channel_state_t state)
10363{
10364 struct net_device *dev = pci_get_drvdata(pdev);
10365 struct bnx2x *bp = netdev_priv(dev);
10366
10367 rtnl_lock();
10368
10369 netif_device_detach(dev);
10370
10371 if (netif_running(dev))
10372 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
10373
10374 pci_disable_device(pdev);
10375
10376 rtnl_unlock();
10377
10378 /* Request a slot reset */
10379 return PCI_ERS_RESULT_NEED_RESET;
10380}
10381
10382/**
10383 * bnx2x_io_slot_reset - called after the PCI bus has been reset
10384 * @pdev: Pointer to PCI device
10385 *
10386 * Restart the card from scratch, as if from a cold-boot.
10387 */
10388static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
10389{
10390 struct net_device *dev = pci_get_drvdata(pdev);
10391 struct bnx2x *bp = netdev_priv(dev);
10392
10393 rtnl_lock();
10394
10395 if (pci_enable_device(pdev)) {
10396 dev_err(&pdev->dev,
10397 "Cannot re-enable PCI device after reset\n");
10398 rtnl_unlock();
10399 return PCI_ERS_RESULT_DISCONNECT;
10400 }
10401
10402 pci_set_master(pdev);
10403 pci_restore_state(pdev);
10404
10405 if (netif_running(dev))
10406 bnx2x_set_power_state(bp, PCI_D0);
10407
10408 rtnl_unlock();
10409
10410 return PCI_ERS_RESULT_RECOVERED;
10411}
10412
10413/**
10414 * bnx2x_io_resume - called when traffic can start flowing again
10415 * @pdev: Pointer to PCI device
10416 *
10417 * This callback is called when the error recovery driver tells us that
10418 * its OK to resume normal operation.
10419 */
10420static void bnx2x_io_resume(struct pci_dev *pdev)
10421{
10422 struct net_device *dev = pci_get_drvdata(pdev);
10423 struct bnx2x *bp = netdev_priv(dev);
10424
10425 rtnl_lock();
10426
10427 if (netif_running(dev))
10428 bnx2x_nic_load(bp, LOAD_OPEN);
10429
10430 netif_device_attach(dev);
10431
10432 rtnl_unlock();
10433}
10434
10435static struct pci_error_handlers bnx2x_err_handler = {
10436 .error_detected = bnx2x_io_error_detected,
10437 .slot_reset = bnx2x_io_slot_reset,
10438 .resume = bnx2x_io_resume,
10439};
10440
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010441static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070010442 .name = DRV_MODULE_NAME,
10443 .id_table = bnx2x_pci_tbl,
10444 .probe = bnx2x_init_one,
10445 .remove = __devexit_p(bnx2x_remove_one),
10446 .suspend = bnx2x_suspend,
10447 .resume = bnx2x_resume,
10448 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010449};
10450
10451static int __init bnx2x_init(void)
10452{
10453 return pci_register_driver(&bnx2x_pci_driver);
10454}
10455
10456static void __exit bnx2x_cleanup(void)
10457{
10458 pci_unregister_driver(&bnx2x_pci_driver);
10459}
10460
10461module_init(bnx2x_init);
10462module_exit(bnx2x_cleanup);
10463