blob: 1bbcdb22d96ff5eaf6571aa71b2720230c5b072f [file] [log] [blame]
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001/* bnx2x_main.c: Broadcom Everest network driver.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002 *
Eliezer Tamirf1410642008-02-28 11:51:50 -08003 * Copyright (c) 2007-2008 Broadcom Corporation
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
Eilon Greenstein24e3fce2008-06-12 14:30:28 -07009 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011 * Based on code from Michael Chan's bnx2 driver
12 * UDP CSUM errata workaround by Arik Gendelman
13 * Slowpath rework by Vladislav Zolotarov
Eliezer Tamirc14423f2008-02-28 11:49:42 -080014 * Statistics and Link management by Yitchak Gertner
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020015 *
16 */
17
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020018#include <linux/module.h>
19#include <linux/moduleparam.h>
20#include <linux/kernel.h>
21#include <linux/device.h> /* for dev_info() */
22#include <linux/timer.h>
23#include <linux/errno.h>
24#include <linux/ioport.h>
25#include <linux/slab.h>
26#include <linux/vmalloc.h>
27#include <linux/interrupt.h>
28#include <linux/pci.h>
29#include <linux/init.h>
30#include <linux/netdevice.h>
31#include <linux/etherdevice.h>
32#include <linux/skbuff.h>
33#include <linux/dma-mapping.h>
34#include <linux/bitops.h>
35#include <linux/irq.h>
36#include <linux/delay.h>
37#include <asm/byteorder.h>
38#include <linux/time.h>
39#include <linux/ethtool.h>
40#include <linux/mii.h>
41#ifdef NETIF_F_HW_VLAN_TX
42 #include <linux/if_vlan.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020043#endif
44#include <net/ip.h>
45#include <net/tcp.h>
46#include <net/checksum.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070047#include <linux/version.h>
48#include <net/ip6_checksum.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020049#include <linux/workqueue.h>
50#include <linux/crc32.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070051#include <linux/crc32c.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020052#include <linux/prefetch.h>
53#include <linux/zlib.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020054#include <linux/io.h>
55
56#include "bnx2x_reg.h"
57#include "bnx2x_fw_defs.h"
58#include "bnx2x_hsi.h"
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070059#include "bnx2x_link.h"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020060#include "bnx2x.h"
61#include "bnx2x_init.h"
62
Eilon Greensteine35c3262008-06-23 20:36:51 -070063#define DRV_MODULE_VERSION "1.45.6"
64#define DRV_MODULE_RELDATE "2008/06/23"
Eilon Greenstein34f80b02008-06-23 20:33:01 -070065#define BNX2X_BC_VER 0x040200
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020066
Eilon Greenstein34f80b02008-06-23 20:33:01 -070067/* Time in jiffies before concluding the transmitter is hung */
68#define TX_TIMEOUT (5*HZ)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020069
Andrew Morton53a10562008-02-09 23:16:41 -080070static char version[] __devinitdata =
Eilon Greenstein34f80b02008-06-23 20:33:01 -070071 "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020072 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
73
Eilon Greenstein24e3fce2008-06-12 14:30:28 -070074MODULE_AUTHOR("Eliezer Tamir");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020075MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver");
76MODULE_LICENSE("GPL");
77MODULE_VERSION(DRV_MODULE_VERSION);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020078
Eilon Greenstein19680c42008-08-13 15:47:33 -070079static int disable_tpa;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020080static int use_inta;
81static int poll;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020082static int debug;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070083static int load_count[3]; /* 0-common, 1-port0, 2-port1 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020084static int use_multi;
85
Eilon Greenstein19680c42008-08-13 15:47:33 -070086module_param(disable_tpa, int, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020087module_param(use_inta, int, 0);
88module_param(poll, int, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020089module_param(debug, int, 0);
Eilon Greenstein19680c42008-08-13 15:47:33 -070090MODULE_PARM_DESC(disable_tpa, "disable the TPA (LRO) feature");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020091MODULE_PARM_DESC(use_inta, "use INT#A instead of MSI-X");
92MODULE_PARM_DESC(poll, "use polling (for debug)");
Eliezer Tamirc14423f2008-02-28 11:49:42 -080093MODULE_PARM_DESC(debug, "default debug msglevel");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020094
95#ifdef BNX2X_MULTI
96module_param(use_multi, int, 0);
97MODULE_PARM_DESC(use_multi, "use per-CPU queues");
98#endif
99
100enum bnx2x_board_type {
101 BCM57710 = 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700102 BCM57711 = 1,
103 BCM57711E = 2,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200104};
105
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700106/* indexed by board_type, above */
Andrew Morton53a10562008-02-09 23:16:41 -0800107static struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200108 char *name;
109} board_info[] __devinitdata = {
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700110 { "Broadcom NetXtreme II BCM57710 XGb" },
111 { "Broadcom NetXtreme II BCM57711 XGb" },
112 { "Broadcom NetXtreme II BCM57711E XGb" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200113};
114
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700115
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200116static const struct pci_device_id bnx2x_pci_tbl[] = {
117 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57710,
118 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57710 },
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700119 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711,
120 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711 },
121 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711E,
122 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711E },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200123 { 0 }
124};
125
126MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
127
128/****************************************************************************
129* General service functions
130****************************************************************************/
131
132/* used only at init
133 * locking is done by mcp
134 */
135static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
136{
137 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
138 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
139 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
140 PCICFG_VENDOR_ID_OFFSET);
141}
142
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200143static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
144{
145 u32 val;
146
147 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
148 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
149 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
150 PCICFG_VENDOR_ID_OFFSET);
151
152 return val;
153}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200154
155static const u32 dmae_reg_go_c[] = {
156 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
157 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
158 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
159 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
160};
161
162/* copy command into DMAE command memory and set DMAE command go */
163static void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae,
164 int idx)
165{
166 u32 cmd_offset;
167 int i;
168
169 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
170 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
171 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
172
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700173 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
174 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200175 }
176 REG_WR(bp, dmae_reg_go_c[idx], 1);
177}
178
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700179void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
180 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200181{
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700182 struct dmae_command *dmae = &bp->init_dmae;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200183 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700184 int cnt = 200;
185
186 if (!bp->dmae_ready) {
187 u32 *data = bnx2x_sp(bp, wb_data[0]);
188
189 DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)"
190 " using indirect\n", dst_addr, len32);
191 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
192 return;
193 }
194
195 mutex_lock(&bp->dmae_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200196
197 memset(dmae, 0, sizeof(struct dmae_command));
198
199 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
200 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
201 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
202#ifdef __BIG_ENDIAN
203 DMAE_CMD_ENDIANITY_B_DW_SWAP |
204#else
205 DMAE_CMD_ENDIANITY_DW_SWAP |
206#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700207 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
208 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200209 dmae->src_addr_lo = U64_LO(dma_addr);
210 dmae->src_addr_hi = U64_HI(dma_addr);
211 dmae->dst_addr_lo = dst_addr >> 2;
212 dmae->dst_addr_hi = 0;
213 dmae->len = len32;
214 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
215 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700216 dmae->comp_val = DMAE_COMP_VAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200217
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700218 DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200219 DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
220 "dst_addr [%x:%08x (%08x)]\n"
221 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
222 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
223 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, dst_addr,
224 dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700225 DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200226 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
227 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200228
229 *wb_comp = 0;
230
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700231 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200232
233 udelay(5);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700234
235 while (*wb_comp != DMAE_COMP_VAL) {
236 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
237
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700238 if (!cnt) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200239 BNX2X_ERR("dmae timeout!\n");
240 break;
241 }
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700242 cnt--;
Yitchak Gertner12469402008-08-13 15:52:08 -0700243 /* adjust delay for emulation/FPGA */
244 if (CHIP_REV_IS_SLOW(bp))
245 msleep(100);
246 else
247 udelay(5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200248 }
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700249
250 mutex_unlock(&bp->dmae_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200251}
252
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700253void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200254{
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700255 struct dmae_command *dmae = &bp->init_dmae;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200256 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700257 int cnt = 200;
258
259 if (!bp->dmae_ready) {
260 u32 *data = bnx2x_sp(bp, wb_data[0]);
261 int i;
262
263 DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)"
264 " using indirect\n", src_addr, len32);
265 for (i = 0; i < len32; i++)
266 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
267 return;
268 }
269
270 mutex_lock(&bp->dmae_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200271
272 memset(bnx2x_sp(bp, wb_data[0]), 0, sizeof(u32) * 4);
273 memset(dmae, 0, sizeof(struct dmae_command));
274
275 dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
276 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
277 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
278#ifdef __BIG_ENDIAN
279 DMAE_CMD_ENDIANITY_B_DW_SWAP |
280#else
281 DMAE_CMD_ENDIANITY_DW_SWAP |
282#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700283 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
284 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200285 dmae->src_addr_lo = src_addr >> 2;
286 dmae->src_addr_hi = 0;
287 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
288 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
289 dmae->len = len32;
290 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
291 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700292 dmae->comp_val = DMAE_COMP_VAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200293
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700294 DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200295 DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
296 "dst_addr [%x:%08x (%08x)]\n"
297 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
298 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
299 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, src_addr,
300 dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200301
302 *wb_comp = 0;
303
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700304 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200305
306 udelay(5);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700307
308 while (*wb_comp != DMAE_COMP_VAL) {
309
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700310 if (!cnt) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200311 BNX2X_ERR("dmae timeout!\n");
312 break;
313 }
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700314 cnt--;
Yitchak Gertner12469402008-08-13 15:52:08 -0700315 /* adjust delay for emulation/FPGA */
316 if (CHIP_REV_IS_SLOW(bp))
317 msleep(100);
318 else
319 udelay(5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200320 }
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700321 DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200322 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
323 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700324
325 mutex_unlock(&bp->dmae_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200326}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200327
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700328/* used only for slowpath so not inlined */
329static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
330{
331 u32 wb_write[2];
332
333 wb_write[0] = val_hi;
334 wb_write[1] = val_lo;
335 REG_WR_DMAE(bp, reg, wb_write, 2);
336}
337
338#ifdef USE_WB_RD
339static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
340{
341 u32 wb_data[2];
342
343 REG_RD_DMAE(bp, reg, wb_data, 2);
344
345 return HILO_U64(wb_data[0], wb_data[1]);
346}
347#endif
348
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200349static int bnx2x_mc_assert(struct bnx2x *bp)
350{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200351 char last_idx;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700352 int i, rc = 0;
353 u32 row0, row1, row2, row3;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200354
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700355 /* XSTORM */
356 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
357 XSTORM_ASSERT_LIST_INDEX_OFFSET);
358 if (last_idx)
359 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200360
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700361 /* print the asserts */
362 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200363
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700364 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
365 XSTORM_ASSERT_LIST_OFFSET(i));
366 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
367 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
368 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
369 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
370 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
371 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200372
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700373 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
374 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
375 " 0x%08x 0x%08x 0x%08x\n",
376 i, row3, row2, row1, row0);
377 rc++;
378 } else {
379 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200380 }
381 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700382
383 /* TSTORM */
384 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
385 TSTORM_ASSERT_LIST_INDEX_OFFSET);
386 if (last_idx)
387 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
388
389 /* print the asserts */
390 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
391
392 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
393 TSTORM_ASSERT_LIST_OFFSET(i));
394 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
395 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
396 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
397 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
398 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
399 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
400
401 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
402 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
403 " 0x%08x 0x%08x 0x%08x\n",
404 i, row3, row2, row1, row0);
405 rc++;
406 } else {
407 break;
408 }
409 }
410
411 /* CSTORM */
412 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
413 CSTORM_ASSERT_LIST_INDEX_OFFSET);
414 if (last_idx)
415 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
416
417 /* print the asserts */
418 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
419
420 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
421 CSTORM_ASSERT_LIST_OFFSET(i));
422 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
423 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
424 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
425 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
426 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
427 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
428
429 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
430 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
431 " 0x%08x 0x%08x 0x%08x\n",
432 i, row3, row2, row1, row0);
433 rc++;
434 } else {
435 break;
436 }
437 }
438
439 /* USTORM */
440 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
441 USTORM_ASSERT_LIST_INDEX_OFFSET);
442 if (last_idx)
443 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
444
445 /* print the asserts */
446 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
447
448 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
449 USTORM_ASSERT_LIST_OFFSET(i));
450 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
451 USTORM_ASSERT_LIST_OFFSET(i) + 4);
452 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
453 USTORM_ASSERT_LIST_OFFSET(i) + 8);
454 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
455 USTORM_ASSERT_LIST_OFFSET(i) + 12);
456
457 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
458 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
459 " 0x%08x 0x%08x 0x%08x\n",
460 i, row3, row2, row1, row0);
461 rc++;
462 } else {
463 break;
464 }
465 }
466
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200467 return rc;
468}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800469
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200470static void bnx2x_fw_dump(struct bnx2x *bp)
471{
472 u32 mark, offset;
473 u32 data[9];
474 int word;
475
476 mark = REG_RD(bp, MCP_REG_MCPR_SCRATCH + 0xf104);
Eliezer Tamir49d66772008-02-28 11:53:13 -0800477 mark = ((mark + 0x3) & ~0x3);
478 printk(KERN_ERR PFX "begin fw dump (mark 0x%x)\n" KERN_ERR, mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200479
480 for (offset = mark - 0x08000000; offset <= 0xF900; offset += 0x8*4) {
481 for (word = 0; word < 8; word++)
482 data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
483 offset + 4*word));
484 data[8] = 0x0;
Eliezer Tamir49d66772008-02-28 11:53:13 -0800485 printk(KERN_CONT "%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200486 }
487 for (offset = 0xF108; offset <= mark - 0x08000000; offset += 0x8*4) {
488 for (word = 0; word < 8; word++)
489 data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
490 offset + 4*word));
491 data[8] = 0x0;
Eliezer Tamir49d66772008-02-28 11:53:13 -0800492 printk(KERN_CONT "%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200493 }
494 printk("\n" KERN_ERR PFX "end of fw dump\n");
495}
496
497static void bnx2x_panic_dump(struct bnx2x *bp)
498{
499 int i;
500 u16 j, start, end;
501
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700502 bp->stats_state = STATS_STATE_DISABLED;
503 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
504
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200505 BNX2X_ERR("begin crash dump -----------------\n");
506
507 for_each_queue(bp, i) {
508 struct bnx2x_fastpath *fp = &bp->fp[i];
509 struct eth_tx_db_data *hw_prods = fp->hw_tx_prods;
510
511 BNX2X_ERR("queue[%d]: tx_pkt_prod(%x) tx_pkt_cons(%x)"
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700512 " tx_bd_prod(%x) tx_bd_cons(%x) *tx_cons_sb(%x)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200513 i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700514 fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700515 BNX2X_ERR(" rx_bd_prod(%x) rx_bd_cons(%x)"
516 " *rx_bd_cons_sb(%x) rx_comp_prod(%x)"
517 " rx_comp_cons(%x) *rx_cons_sb(%x)\n",
518 fp->rx_bd_prod, fp->rx_bd_cons,
519 le16_to_cpu(*fp->rx_bd_cons_sb), fp->rx_comp_prod,
520 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
521 BNX2X_ERR(" rx_sge_prod(%x) last_max_sge(%x)"
522 " fp_c_idx(%x) *sb_c_idx(%x) fp_u_idx(%x)"
523 " *sb_u_idx(%x) bd data(%x,%x)\n",
524 fp->rx_sge_prod, fp->last_max_sge, fp->fp_c_idx,
525 fp->status_blk->c_status_block.status_block_index,
526 fp->fp_u_idx,
527 fp->status_blk->u_status_block.status_block_index,
528 hw_prods->packets_prod, hw_prods->bds_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200529
530 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
531 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
532 for (j = start; j < end; j++) {
533 struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
534
535 BNX2X_ERR("packet[%x]=[%p,%x]\n", j,
536 sw_bd->skb, sw_bd->first_bd);
537 }
538
539 start = TX_BD(fp->tx_bd_cons - 10);
540 end = TX_BD(fp->tx_bd_cons + 254);
541 for (j = start; j < end; j++) {
542 u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
543
544 BNX2X_ERR("tx_bd[%x]=[%x:%x:%x:%x]\n",
545 j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
546 }
547
548 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
549 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
550 for (j = start; j < end; j++) {
551 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
552 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
553
554 BNX2X_ERR("rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700555 j, rx_bd[1], rx_bd[0], sw_bd->skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200556 }
557
Eilon Greenstein3196a882008-08-13 15:58:49 -0700558 start = RX_SGE(fp->rx_sge_prod);
559 end = RX_SGE(fp->last_max_sge);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700560 for (j = start; j < end; j++) {
561 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
562 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
563
564 BNX2X_ERR("rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
565 j, rx_sge[1], rx_sge[0], sw_page->page);
566 }
567
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200568 start = RCQ_BD(fp->rx_comp_cons - 10);
569 end = RCQ_BD(fp->rx_comp_cons + 503);
570 for (j = start; j < end; j++) {
571 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
572
573 BNX2X_ERR("cqe[%x]=[%x:%x:%x:%x]\n",
574 j, cqe[0], cqe[1], cqe[2], cqe[3]);
575 }
576 }
577
Eliezer Tamir49d66772008-02-28 11:53:13 -0800578 BNX2X_ERR("def_c_idx(%u) def_u_idx(%u) def_x_idx(%u)"
579 " def_t_idx(%u) def_att_idx(%u) attn_state(%u)"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200580 " spq_prod_idx(%u)\n",
Eliezer Tamir49d66772008-02-28 11:53:13 -0800581 bp->def_c_idx, bp->def_u_idx, bp->def_x_idx, bp->def_t_idx,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200582 bp->def_att_idx, bp->attn_state, bp->spq_prod_idx);
583
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700584 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200585 bnx2x_mc_assert(bp);
586 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200587}
588
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800589static void bnx2x_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200590{
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700591 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200592 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
593 u32 val = REG_RD(bp, addr);
594 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
595
596 if (msix) {
597 val &= ~HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
598 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
599 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
600 } else {
601 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800602 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200603 HC_CONFIG_0_REG_INT_LINE_EN_0 |
604 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800605
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800606 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n",
607 val, port, addr, msix);
608
609 REG_WR(bp, addr, val);
610
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200611 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
612 }
613
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800614 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200615 val, port, addr, msix);
616
617 REG_WR(bp, addr, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700618
619 if (CHIP_IS_E1H(bp)) {
620 /* init leading/trailing edge */
621 if (IS_E1HMF(bp)) {
622 val = (0xfe0f | (1 << (BP_E1HVN(bp) + 4)));
623 if (bp->port.pmf)
624 /* enable nig attention */
625 val |= 0x0100;
626 } else
627 val = 0xffff;
628
629 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
630 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
631 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200632}
633
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800634static void bnx2x_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200635{
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700636 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200637 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
638 u32 val = REG_RD(bp, addr);
639
640 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
641 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
642 HC_CONFIG_0_REG_INT_LINE_EN_0 |
643 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
644
645 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
646 val, port, addr);
647
648 REG_WR(bp, addr, val);
649 if (REG_RD(bp, addr) != val)
650 BNX2X_ERR("BUG! proper val not read from IGU!\n");
651}
652
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800653static void bnx2x_int_disable_sync(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200654{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200655 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
656 int i;
657
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700658 /* disable interrupt handling */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200659 atomic_inc(&bp->intr_sem);
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800660 /* prevent the HW from sending interrupts */
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800661 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200662
663 /* make sure all ISRs are done */
664 if (msix) {
665 for_each_queue(bp, i)
666 synchronize_irq(bp->msix_table[i].vector);
667
668 /* one more for the Slow Path IRQ */
669 synchronize_irq(bp->msix_table[i].vector);
670 } else
671 synchronize_irq(bp->pdev->irq);
672
673 /* make sure sp_task is not running */
674 cancel_work_sync(&bp->sp_task);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200675}
676
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700677/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200678
679/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700680 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200681 */
682
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700683static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 sb_id,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200684 u8 storm, u16 index, u8 op, u8 update)
685{
Eilon Greenstein5c862842008-08-13 15:51:48 -0700686 u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
687 COMMAND_REG_INT_ACK);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200688 struct igu_ack_register igu_ack;
689
690 igu_ack.status_block_index = index;
691 igu_ack.sb_id_and_flags =
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700692 ((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200693 (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) |
694 (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) |
695 (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT));
696
Eilon Greenstein5c862842008-08-13 15:51:48 -0700697 DP(BNX2X_MSG_OFF, "write 0x%08x to HC addr 0x%x\n",
698 (*(u32 *)&igu_ack), hc_addr);
699 REG_WR(bp, hc_addr, (*(u32 *)&igu_ack));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200700}
701
702static inline u16 bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp)
703{
704 struct host_status_block *fpsb = fp->status_blk;
705 u16 rc = 0;
706
707 barrier(); /* status block is written to by the chip */
708 if (fp->fp_c_idx != fpsb->c_status_block.status_block_index) {
709 fp->fp_c_idx = fpsb->c_status_block.status_block_index;
710 rc |= 1;
711 }
712 if (fp->fp_u_idx != fpsb->u_status_block.status_block_index) {
713 fp->fp_u_idx = fpsb->u_status_block.status_block_index;
714 rc |= 2;
715 }
716 return rc;
717}
718
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200719static u16 bnx2x_ack_int(struct bnx2x *bp)
720{
Eilon Greenstein5c862842008-08-13 15:51:48 -0700721 u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
722 COMMAND_REG_SIMD_MASK);
723 u32 result = REG_RD(bp, hc_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200724
Eilon Greenstein5c862842008-08-13 15:51:48 -0700725 DP(BNX2X_MSG_OFF, "read 0x%08x from HC addr 0x%x\n",
726 result, hc_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200727
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200728 return result;
729}
730
731
732/*
733 * fast path service functions
734 */
735
736/* free skb in the packet ring at pos idx
737 * return idx of last bd freed
738 */
739static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp,
740 u16 idx)
741{
742 struct sw_tx_bd *tx_buf = &fp->tx_buf_ring[idx];
743 struct eth_tx_bd *tx_bd;
744 struct sk_buff *skb = tx_buf->skb;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700745 u16 bd_idx = TX_BD(tx_buf->first_bd), new_cons;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200746 int nbd;
747
748 DP(BNX2X_MSG_OFF, "pkt_idx %d buff @(%p)->skb %p\n",
749 idx, tx_buf, skb);
750
751 /* unmap first bd */
752 DP(BNX2X_MSG_OFF, "free bd_idx %d\n", bd_idx);
753 tx_bd = &fp->tx_desc_ring[bd_idx];
754 pci_unmap_single(bp->pdev, BD_UNMAP_ADDR(tx_bd),
755 BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
756
757 nbd = le16_to_cpu(tx_bd->nbd) - 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700758 new_cons = nbd + tx_buf->first_bd;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200759#ifdef BNX2X_STOP_ON_ERROR
760 if (nbd > (MAX_SKB_FRAGS + 2)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700761 BNX2X_ERR("BAD nbd!\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200762 bnx2x_panic();
763 }
764#endif
765
766 /* Skip a parse bd and the TSO split header bd
767 since they have no mapping */
768 if (nbd)
769 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
770
771 if (tx_bd->bd_flags.as_bitfield & (ETH_TX_BD_FLAGS_IP_CSUM |
772 ETH_TX_BD_FLAGS_TCP_CSUM |
773 ETH_TX_BD_FLAGS_SW_LSO)) {
774 if (--nbd)
775 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
776 tx_bd = &fp->tx_desc_ring[bd_idx];
777 /* is this a TSO split header bd? */
778 if (tx_bd->bd_flags.as_bitfield & ETH_TX_BD_FLAGS_SW_LSO) {
779 if (--nbd)
780 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
781 }
782 }
783
784 /* now free frags */
785 while (nbd > 0) {
786
787 DP(BNX2X_MSG_OFF, "free frag bd_idx %d\n", bd_idx);
788 tx_bd = &fp->tx_desc_ring[bd_idx];
789 pci_unmap_page(bp->pdev, BD_UNMAP_ADDR(tx_bd),
790 BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
791 if (--nbd)
792 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
793 }
794
795 /* release skb */
Ilpo Järvinen53e5e962008-07-25 21:40:45 -0700796 WARN_ON(!skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200797 dev_kfree_skb(skb);
798 tx_buf->first_bd = 0;
799 tx_buf->skb = NULL;
800
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700801 return new_cons;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200802}
803
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700804static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200805{
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700806 s16 used;
807 u16 prod;
808 u16 cons;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200809
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700810 barrier(); /* Tell compiler that prod and cons can change */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200811 prod = fp->tx_bd_prod;
812 cons = fp->tx_bd_cons;
813
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700814 /* NUM_TX_RINGS = number of "next-page" entries
815 It will be used as a threshold */
816 used = SUB_S16(prod, cons) + (s16)NUM_TX_RINGS;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200817
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700818#ifdef BNX2X_STOP_ON_ERROR
Ilpo Järvinen53e5e962008-07-25 21:40:45 -0700819 WARN_ON(used < 0);
820 WARN_ON(used > fp->bp->tx_ring_size);
821 WARN_ON((fp->bp->tx_ring_size - used) > MAX_TX_AVAIL);
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700822#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200823
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700824 return (s16)(fp->bp->tx_ring_size) - used;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200825}
826
827static void bnx2x_tx_int(struct bnx2x_fastpath *fp, int work)
828{
829 struct bnx2x *bp = fp->bp;
830 u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons;
831 int done = 0;
832
833#ifdef BNX2X_STOP_ON_ERROR
834 if (unlikely(bp->panic))
835 return;
836#endif
837
838 hw_cons = le16_to_cpu(*fp->tx_cons_sb);
839 sw_cons = fp->tx_pkt_cons;
840
841 while (sw_cons != hw_cons) {
842 u16 pkt_cons;
843
844 pkt_cons = TX_BD(sw_cons);
845
846 /* prefetch(bp->tx_buf_ring[pkt_cons].skb); */
847
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700848 DP(NETIF_MSG_TX_DONE, "hw_cons %u sw_cons %u pkt_cons %u\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200849 hw_cons, sw_cons, pkt_cons);
850
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700851/* if (NEXT_TX_IDX(sw_cons) != hw_cons) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200852 rmb();
853 prefetch(fp->tx_buf_ring[NEXT_TX_IDX(sw_cons)].skb);
854 }
855*/
856 bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons);
857 sw_cons++;
858 done++;
859
860 if (done == work)
861 break;
862 }
863
864 fp->tx_pkt_cons = sw_cons;
865 fp->tx_bd_cons = bd_cons;
866
867 /* Need to make the tx_cons update visible to start_xmit()
868 * before checking for netif_queue_stopped(). Without the
869 * memory barrier, there is a small possibility that start_xmit()
870 * will miss it and cause the queue to be stopped forever.
871 */
872 smp_mb();
873
874 /* TBD need a thresh? */
875 if (unlikely(netif_queue_stopped(bp->dev))) {
876
877 netif_tx_lock(bp->dev);
878
879 if (netif_queue_stopped(bp->dev) &&
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -0700880 (bp->state == BNX2X_STATE_OPEN) &&
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200881 (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3))
882 netif_wake_queue(bp->dev);
883
884 netif_tx_unlock(bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200885 }
886}
887
Eilon Greenstein3196a882008-08-13 15:58:49 -0700888
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200889static void bnx2x_sp_event(struct bnx2x_fastpath *fp,
890 union eth_rx_cqe *rr_cqe)
891{
892 struct bnx2x *bp = fp->bp;
893 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
894 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
895
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700896 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200897 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700898 FP_IDX(fp), cid, command, bp->state,
899 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200900
901 bp->spq_left++;
902
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700903 if (FP_IDX(fp)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200904 switch (command | fp->state) {
905 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP |
906 BNX2X_FP_STATE_OPENING):
907 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n",
908 cid);
909 fp->state = BNX2X_FP_STATE_OPEN;
910 break;
911
912 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
913 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n",
914 cid);
915 fp->state = BNX2X_FP_STATE_HALTED;
916 break;
917
918 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700919 BNX2X_ERR("unexpected MC reply (%d) "
920 "fp->state is %x\n", command, fp->state);
921 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200922 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700923 mb(); /* force bnx2x_wait_ramrod() to see the change */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200924 return;
925 }
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800926
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200927 switch (command | bp->state) {
928 case (RAMROD_CMD_ID_ETH_PORT_SETUP | BNX2X_STATE_OPENING_WAIT4_PORT):
929 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
930 bp->state = BNX2X_STATE_OPEN;
931 break;
932
933 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_STATE_CLOSING_WAIT4_HALT):
934 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
935 bp->state = BNX2X_STATE_CLOSING_WAIT4_DELETE;
936 fp->state = BNX2X_FP_STATE_HALTED;
937 break;
938
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200939 case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_CLOSING_WAIT4_HALT):
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700940 DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", cid);
Eliezer Tamir49d66772008-02-28 11:53:13 -0800941 bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200942 break;
943
Eilon Greenstein3196a882008-08-13 15:58:49 -0700944
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200945 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN):
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700946 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DIAG):
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200947 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -0700948 bp->set_mac_pending = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200949 break;
950
Eliezer Tamir49d66772008-02-28 11:53:13 -0800951 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT):
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700952 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
Eliezer Tamir49d66772008-02-28 11:53:13 -0800953 break;
954
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200955 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700956 BNX2X_ERR("unexpected MC reply (%d) bp->state is %x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200957 command, bp->state);
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700958 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200959 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700960 mb(); /* force bnx2x_wait_ramrod() to see the change */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200961}
962
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700963static inline void bnx2x_free_rx_sge(struct bnx2x *bp,
964 struct bnx2x_fastpath *fp, u16 index)
965{
966 struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
967 struct page *page = sw_buf->page;
968 struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
969
970 /* Skip "next page" elements */
971 if (!page)
972 return;
973
974 pci_unmap_page(bp->pdev, pci_unmap_addr(sw_buf, mapping),
975 BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
976 __free_pages(page, PAGES_PER_SGE_SHIFT);
977
978 sw_buf->page = NULL;
979 sge->addr_hi = 0;
980 sge->addr_lo = 0;
981}
982
983static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
984 struct bnx2x_fastpath *fp, int last)
985{
986 int i;
987
988 for (i = 0; i < last; i++)
989 bnx2x_free_rx_sge(bp, fp, i);
990}
991
992static inline int bnx2x_alloc_rx_sge(struct bnx2x *bp,
993 struct bnx2x_fastpath *fp, u16 index)
994{
995 struct page *page = alloc_pages(GFP_ATOMIC, PAGES_PER_SGE_SHIFT);
996 struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
997 struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
998 dma_addr_t mapping;
999
1000 if (unlikely(page == NULL))
1001 return -ENOMEM;
1002
1003 mapping = pci_map_page(bp->pdev, page, 0, BCM_PAGE_SIZE*PAGES_PER_SGE,
1004 PCI_DMA_FROMDEVICE);
FUJITA Tomonori8d8bb392008-07-25 19:44:49 -07001005 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001006 __free_pages(page, PAGES_PER_SGE_SHIFT);
1007 return -ENOMEM;
1008 }
1009
1010 sw_buf->page = page;
1011 pci_unmap_addr_set(sw_buf, mapping, mapping);
1012
1013 sge->addr_hi = cpu_to_le32(U64_HI(mapping));
1014 sge->addr_lo = cpu_to_le32(U64_LO(mapping));
1015
1016 return 0;
1017}
1018
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001019static inline int bnx2x_alloc_rx_skb(struct bnx2x *bp,
1020 struct bnx2x_fastpath *fp, u16 index)
1021{
1022 struct sk_buff *skb;
1023 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index];
1024 struct eth_rx_bd *rx_bd = &fp->rx_desc_ring[index];
1025 dma_addr_t mapping;
1026
1027 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1028 if (unlikely(skb == NULL))
1029 return -ENOMEM;
1030
1031 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
1032 PCI_DMA_FROMDEVICE);
FUJITA Tomonori8d8bb392008-07-25 19:44:49 -07001033 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001034 dev_kfree_skb(skb);
1035 return -ENOMEM;
1036 }
1037
1038 rx_buf->skb = skb;
1039 pci_unmap_addr_set(rx_buf, mapping, mapping);
1040
1041 rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1042 rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1043
1044 return 0;
1045}
1046
1047/* note that we are not allocating a new skb,
1048 * we are just moving one from cons to prod
1049 * we are not creating a new mapping,
1050 * so there is no need to check for dma_mapping_error().
1051 */
1052static void bnx2x_reuse_rx_skb(struct bnx2x_fastpath *fp,
1053 struct sk_buff *skb, u16 cons, u16 prod)
1054{
1055 struct bnx2x *bp = fp->bp;
1056 struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1057 struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1058 struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons];
1059 struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1060
1061 pci_dma_sync_single_for_device(bp->pdev,
1062 pci_unmap_addr(cons_rx_buf, mapping),
1063 bp->rx_offset + RX_COPY_THRESH,
1064 PCI_DMA_FROMDEVICE);
1065
1066 prod_rx_buf->skb = cons_rx_buf->skb;
1067 pci_unmap_addr_set(prod_rx_buf, mapping,
1068 pci_unmap_addr(cons_rx_buf, mapping));
1069 *prod_bd = *cons_bd;
1070}
1071
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001072static inline void bnx2x_update_last_max_sge(struct bnx2x_fastpath *fp,
1073 u16 idx)
1074{
1075 u16 last_max = fp->last_max_sge;
1076
1077 if (SUB_S16(idx, last_max) > 0)
1078 fp->last_max_sge = idx;
1079}
1080
1081static void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp)
1082{
1083 int i, j;
1084
1085 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
1086 int idx = RX_SGE_CNT * i - 1;
1087
1088 for (j = 0; j < 2; j++) {
1089 SGE_MASK_CLEAR_BIT(fp, idx);
1090 idx--;
1091 }
1092 }
1093}
1094
1095static void bnx2x_update_sge_prod(struct bnx2x_fastpath *fp,
1096 struct eth_fast_path_rx_cqe *fp_cqe)
1097{
1098 struct bnx2x *bp = fp->bp;
1099 u16 sge_len = BCM_PAGE_ALIGN(le16_to_cpu(fp_cqe->pkt_len) -
1100 le16_to_cpu(fp_cqe->len_on_bd)) >>
1101 BCM_PAGE_SHIFT;
1102 u16 last_max, last_elem, first_elem;
1103 u16 delta = 0;
1104 u16 i;
1105
1106 if (!sge_len)
1107 return;
1108
1109 /* First mark all used pages */
1110 for (i = 0; i < sge_len; i++)
1111 SGE_MASK_CLEAR_BIT(fp, RX_SGE(le16_to_cpu(fp_cqe->sgl[i])));
1112
1113 DP(NETIF_MSG_RX_STATUS, "fp_cqe->sgl[%d] = %d\n",
1114 sge_len - 1, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1115
1116 /* Here we assume that the last SGE index is the biggest */
1117 prefetch((void *)(fp->sge_mask));
1118 bnx2x_update_last_max_sge(fp, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1119
1120 last_max = RX_SGE(fp->last_max_sge);
1121 last_elem = last_max >> RX_SGE_MASK_ELEM_SHIFT;
1122 first_elem = RX_SGE(fp->rx_sge_prod) >> RX_SGE_MASK_ELEM_SHIFT;
1123
1124 /* If ring is not full */
1125 if (last_elem + 1 != first_elem)
1126 last_elem++;
1127
1128 /* Now update the prod */
1129 for (i = first_elem; i != last_elem; i = NEXT_SGE_MASK_ELEM(i)) {
1130 if (likely(fp->sge_mask[i]))
1131 break;
1132
1133 fp->sge_mask[i] = RX_SGE_MASK_ELEM_ONE_MASK;
1134 delta += RX_SGE_MASK_ELEM_SZ;
1135 }
1136
1137 if (delta > 0) {
1138 fp->rx_sge_prod += delta;
1139 /* clear page-end entries */
1140 bnx2x_clear_sge_mask_next_elems(fp);
1141 }
1142
1143 DP(NETIF_MSG_RX_STATUS,
1144 "fp->last_max_sge = %d fp->rx_sge_prod = %d\n",
1145 fp->last_max_sge, fp->rx_sge_prod);
1146}
1147
1148static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp)
1149{
1150 /* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */
1151 memset(fp->sge_mask, 0xff,
1152 (NUM_RX_SGE >> RX_SGE_MASK_ELEM_SHIFT)*sizeof(u64));
1153
Eilon Greenstein33471622008-08-13 15:59:08 -07001154 /* Clear the two last indices in the page to 1:
1155 these are the indices that correspond to the "next" element,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001156 hence will never be indicated and should be removed from
1157 the calculations. */
1158 bnx2x_clear_sge_mask_next_elems(fp);
1159}
1160
1161static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue,
1162 struct sk_buff *skb, u16 cons, u16 prod)
1163{
1164 struct bnx2x *bp = fp->bp;
1165 struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1166 struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1167 struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1168 dma_addr_t mapping;
1169
1170 /* move empty skb from pool to prod and map it */
1171 prod_rx_buf->skb = fp->tpa_pool[queue].skb;
1172 mapping = pci_map_single(bp->pdev, fp->tpa_pool[queue].skb->data,
1173 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
1174 pci_unmap_addr_set(prod_rx_buf, mapping, mapping);
1175
1176 /* move partial skb from cons to pool (don't unmap yet) */
1177 fp->tpa_pool[queue] = *cons_rx_buf;
1178
1179 /* mark bin state as start - print error if current state != stop */
1180 if (fp->tpa_state[queue] != BNX2X_TPA_STOP)
1181 BNX2X_ERR("start of bin not in stop [%d]\n", queue);
1182
1183 fp->tpa_state[queue] = BNX2X_TPA_START;
1184
1185 /* point prod_bd to new skb */
1186 prod_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1187 prod_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1188
1189#ifdef BNX2X_STOP_ON_ERROR
1190 fp->tpa_queue_used |= (1 << queue);
1191#ifdef __powerpc64__
1192 DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%lx\n",
1193#else
1194 DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%llx\n",
1195#endif
1196 fp->tpa_queue_used);
1197#endif
1198}
1199
1200static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1201 struct sk_buff *skb,
1202 struct eth_fast_path_rx_cqe *fp_cqe,
1203 u16 cqe_idx)
1204{
1205 struct sw_rx_page *rx_pg, old_rx_pg;
1206 struct page *sge;
1207 u16 len_on_bd = le16_to_cpu(fp_cqe->len_on_bd);
1208 u32 i, frag_len, frag_size, pages;
1209 int err;
1210 int j;
1211
1212 frag_size = le16_to_cpu(fp_cqe->pkt_len) - len_on_bd;
1213 pages = BCM_PAGE_ALIGN(frag_size) >> BCM_PAGE_SHIFT;
1214
1215 /* This is needed in order to enable forwarding support */
1216 if (frag_size)
1217 skb_shinfo(skb)->gso_size = min((u32)BCM_PAGE_SIZE,
1218 max(frag_size, (u32)len_on_bd));
1219
1220#ifdef BNX2X_STOP_ON_ERROR
1221 if (pages > 8*PAGES_PER_SGE) {
1222 BNX2X_ERR("SGL length is too long: %d. CQE index is %d\n",
1223 pages, cqe_idx);
1224 BNX2X_ERR("fp_cqe->pkt_len = %d fp_cqe->len_on_bd = %d\n",
1225 fp_cqe->pkt_len, len_on_bd);
1226 bnx2x_panic();
1227 return -EINVAL;
1228 }
1229#endif
1230
1231 /* Run through the SGL and compose the fragmented skb */
1232 for (i = 0, j = 0; i < pages; i += PAGES_PER_SGE, j++) {
1233 u16 sge_idx = RX_SGE(le16_to_cpu(fp_cqe->sgl[j]));
1234
1235 /* FW gives the indices of the SGE as if the ring is an array
1236 (meaning that "next" element will consume 2 indices) */
1237 frag_len = min(frag_size, (u32)(BCM_PAGE_SIZE*PAGES_PER_SGE));
1238 rx_pg = &fp->rx_page_ring[sge_idx];
1239 sge = rx_pg->page;
1240 old_rx_pg = *rx_pg;
1241
1242 /* If we fail to allocate a substitute page, we simply stop
1243 where we are and drop the whole packet */
1244 err = bnx2x_alloc_rx_sge(bp, fp, sge_idx);
1245 if (unlikely(err)) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001246 bp->eth_stats.rx_skb_alloc_failed++;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001247 return err;
1248 }
1249
1250 /* Unmap the page as we r going to pass it to the stack */
1251 pci_unmap_page(bp->pdev, pci_unmap_addr(&old_rx_pg, mapping),
1252 BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
1253
1254 /* Add one frag and update the appropriate fields in the skb */
1255 skb_fill_page_desc(skb, j, old_rx_pg.page, 0, frag_len);
1256
1257 skb->data_len += frag_len;
1258 skb->truesize += frag_len;
1259 skb->len += frag_len;
1260
1261 frag_size -= frag_len;
1262 }
1263
1264 return 0;
1265}
1266
1267static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1268 u16 queue, int pad, int len, union eth_rx_cqe *cqe,
1269 u16 cqe_idx)
1270{
1271 struct sw_rx_bd *rx_buf = &fp->tpa_pool[queue];
1272 struct sk_buff *skb = rx_buf->skb;
1273 /* alloc new skb */
1274 struct sk_buff *new_skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1275
1276 /* Unmap skb in the pool anyway, as we are going to change
1277 pool entry status to BNX2X_TPA_STOP even if new skb allocation
1278 fails. */
1279 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
1280 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
1281
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001282 if (likely(new_skb)) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001283 /* fix ip xsum and give it to the stack */
1284 /* (no need to map the new skb) */
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001285
1286 prefetch(skb);
1287 prefetch(((char *)(skb)) + 128);
1288
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001289#ifdef BNX2X_STOP_ON_ERROR
1290 if (pad + len > bp->rx_buf_size) {
1291 BNX2X_ERR("skb_put is about to fail... "
1292 "pad %d len %d rx_buf_size %d\n",
1293 pad, len, bp->rx_buf_size);
1294 bnx2x_panic();
1295 return;
1296 }
1297#endif
1298
1299 skb_reserve(skb, pad);
1300 skb_put(skb, len);
1301
1302 skb->protocol = eth_type_trans(skb, bp->dev);
1303 skb->ip_summed = CHECKSUM_UNNECESSARY;
1304
1305 {
1306 struct iphdr *iph;
1307
1308 iph = (struct iphdr *)skb->data;
1309 iph->check = 0;
1310 iph->check = ip_fast_csum((u8 *)iph, iph->ihl);
1311 }
1312
1313 if (!bnx2x_fill_frag_skb(bp, fp, skb,
1314 &cqe->fast_path_cqe, cqe_idx)) {
1315#ifdef BCM_VLAN
1316 if ((bp->vlgrp != NULL) &&
1317 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1318 PARSING_FLAGS_VLAN))
1319 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1320 le16_to_cpu(cqe->fast_path_cqe.
1321 vlan_tag));
1322 else
1323#endif
1324 netif_receive_skb(skb);
1325 } else {
1326 DP(NETIF_MSG_RX_STATUS, "Failed to allocate new pages"
1327 " - dropping packet!\n");
1328 dev_kfree_skb(skb);
1329 }
1330
1331 bp->dev->last_rx = jiffies;
1332
1333 /* put new skb in bin */
1334 fp->tpa_pool[queue].skb = new_skb;
1335
1336 } else {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001337 /* else drop the packet and keep the buffer in the bin */
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001338 DP(NETIF_MSG_RX_STATUS,
1339 "Failed to allocate new skb - dropping packet!\n");
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001340 bp->eth_stats.rx_skb_alloc_failed++;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001341 }
1342
1343 fp->tpa_state[queue] = BNX2X_TPA_STOP;
1344}
1345
1346static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
1347 struct bnx2x_fastpath *fp,
1348 u16 bd_prod, u16 rx_comp_prod,
1349 u16 rx_sge_prod)
1350{
1351 struct tstorm_eth_rx_producers rx_prods = {0};
1352 int i;
1353
1354 /* Update producers */
1355 rx_prods.bd_prod = bd_prod;
1356 rx_prods.cqe_prod = rx_comp_prod;
1357 rx_prods.sge_prod = rx_sge_prod;
1358
1359 for (i = 0; i < sizeof(struct tstorm_eth_rx_producers)/4; i++)
1360 REG_WR(bp, BAR_TSTRORM_INTMEM +
1361 TSTORM_RX_PRODS_OFFSET(BP_PORT(bp), FP_CL_ID(fp)) + i*4,
1362 ((u32 *)&rx_prods)[i]);
1363
1364 DP(NETIF_MSG_RX_STATUS,
1365 "Wrote: bd_prod %u cqe_prod %u sge_prod %u\n",
1366 bd_prod, rx_comp_prod, rx_sge_prod);
1367}
1368
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001369static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
1370{
1371 struct bnx2x *bp = fp->bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001372 u16 bd_cons, bd_prod, bd_prod_fw, comp_ring_cons;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001373 u16 hw_comp_cons, sw_comp_cons, sw_comp_prod;
1374 int rx_pkt = 0;
1375
1376#ifdef BNX2X_STOP_ON_ERROR
1377 if (unlikely(bp->panic))
1378 return 0;
1379#endif
1380
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001381 /* CQ "next element" is of the size of the regular element,
1382 that's why it's ok here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001383 hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb);
1384 if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
1385 hw_comp_cons++;
1386
1387 bd_cons = fp->rx_bd_cons;
1388 bd_prod = fp->rx_bd_prod;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001389 bd_prod_fw = bd_prod;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001390 sw_comp_cons = fp->rx_comp_cons;
1391 sw_comp_prod = fp->rx_comp_prod;
1392
1393 /* Memory barrier necessary as speculative reads of the rx
1394 * buffer can be ahead of the index in the status block
1395 */
1396 rmb();
1397
1398 DP(NETIF_MSG_RX_STATUS,
1399 "queue[%d]: hw_comp_cons %u sw_comp_cons %u\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001400 FP_IDX(fp), hw_comp_cons, sw_comp_cons);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001401
1402 while (sw_comp_cons != hw_comp_cons) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001403 struct sw_rx_bd *rx_buf = NULL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001404 struct sk_buff *skb;
1405 union eth_rx_cqe *cqe;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001406 u8 cqe_fp_flags;
1407 u16 len, pad;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001408
1409 comp_ring_cons = RCQ_BD(sw_comp_cons);
1410 bd_prod = RX_BD(bd_prod);
1411 bd_cons = RX_BD(bd_cons);
1412
1413 cqe = &fp->rx_comp_ring[comp_ring_cons];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001414 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001415
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001416 DP(NETIF_MSG_RX_STATUS, "CQE type %x err %x status %x"
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001417 " queue %x vlan %x len %u\n", CQE_TYPE(cqe_fp_flags),
1418 cqe_fp_flags, cqe->fast_path_cqe.status_flags,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001419 cqe->fast_path_cqe.rss_hash_result,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001420 le16_to_cpu(cqe->fast_path_cqe.vlan_tag),
1421 le16_to_cpu(cqe->fast_path_cqe.pkt_len));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001422
1423 /* is this a slowpath msg? */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001424 if (unlikely(CQE_TYPE(cqe_fp_flags))) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001425 bnx2x_sp_event(fp, cqe);
1426 goto next_cqe;
1427
1428 /* this is an rx packet */
1429 } else {
1430 rx_buf = &fp->rx_buf_ring[bd_cons];
1431 skb = rx_buf->skb;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001432 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
1433 pad = cqe->fast_path_cqe.placement_offset;
1434
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001435 /* If CQE is marked both TPA_START and TPA_END
1436 it is a non-TPA CQE */
1437 if ((!fp->disable_tpa) &&
1438 (TPA_TYPE(cqe_fp_flags) !=
1439 (TPA_TYPE_START | TPA_TYPE_END))) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07001440 u16 queue = cqe->fast_path_cqe.queue_index;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001441
1442 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_START) {
1443 DP(NETIF_MSG_RX_STATUS,
1444 "calling tpa_start on queue %d\n",
1445 queue);
1446
1447 bnx2x_tpa_start(fp, queue, skb,
1448 bd_cons, bd_prod);
1449 goto next_rx;
1450 }
1451
1452 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_END) {
1453 DP(NETIF_MSG_RX_STATUS,
1454 "calling tpa_stop on queue %d\n",
1455 queue);
1456
1457 if (!BNX2X_RX_SUM_FIX(cqe))
1458 BNX2X_ERR("STOP on none TCP "
1459 "data\n");
1460
1461 /* This is a size of the linear data
1462 on this skb */
1463 len = le16_to_cpu(cqe->fast_path_cqe.
1464 len_on_bd);
1465 bnx2x_tpa_stop(bp, fp, queue, pad,
1466 len, cqe, comp_ring_cons);
1467#ifdef BNX2X_STOP_ON_ERROR
1468 if (bp->panic)
1469 return -EINVAL;
1470#endif
1471
1472 bnx2x_update_sge_prod(fp,
1473 &cqe->fast_path_cqe);
1474 goto next_cqe;
1475 }
1476 }
1477
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001478 pci_dma_sync_single_for_device(bp->pdev,
1479 pci_unmap_addr(rx_buf, mapping),
1480 pad + RX_COPY_THRESH,
1481 PCI_DMA_FROMDEVICE);
1482 prefetch(skb);
1483 prefetch(((char *)(skb)) + 128);
1484
1485 /* is this an error packet? */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001486 if (unlikely(cqe_fp_flags & ETH_RX_ERROR_FALGS)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001487 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001488 "ERROR flags %x rx packet %u\n",
1489 cqe_fp_flags, sw_comp_cons);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001490 bp->eth_stats.rx_err_discard_pkt++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001491 goto reuse_rx;
1492 }
1493
1494 /* Since we don't have a jumbo ring
1495 * copy small packets if mtu > 1500
1496 */
1497 if ((bp->dev->mtu > ETH_MAX_PACKET_SIZE) &&
1498 (len <= RX_COPY_THRESH)) {
1499 struct sk_buff *new_skb;
1500
1501 new_skb = netdev_alloc_skb(bp->dev,
1502 len + pad);
1503 if (new_skb == NULL) {
1504 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001505 "ERROR packet dropped "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001506 "because of alloc failure\n");
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001507 bp->eth_stats.rx_skb_alloc_failed++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001508 goto reuse_rx;
1509 }
1510
1511 /* aligned copy */
1512 skb_copy_from_linear_data_offset(skb, pad,
1513 new_skb->data + pad, len);
1514 skb_reserve(new_skb, pad);
1515 skb_put(new_skb, len);
1516
1517 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1518
1519 skb = new_skb;
1520
1521 } else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) {
1522 pci_unmap_single(bp->pdev,
1523 pci_unmap_addr(rx_buf, mapping),
1524 bp->rx_buf_use_size,
1525 PCI_DMA_FROMDEVICE);
1526 skb_reserve(skb, pad);
1527 skb_put(skb, len);
1528
1529 } else {
1530 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001531 "ERROR packet dropped because "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001532 "of alloc failure\n");
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001533 bp->eth_stats.rx_skb_alloc_failed++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001534reuse_rx:
1535 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1536 goto next_rx;
1537 }
1538
1539 skb->protocol = eth_type_trans(skb, bp->dev);
1540
1541 skb->ip_summed = CHECKSUM_NONE;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001542 if (bp->rx_csum) {
Eilon Greenstein1adcd8b2008-08-13 15:48:29 -07001543 if (likely(BNX2X_RX_CSUM_OK(cqe)))
1544 skb->ip_summed = CHECKSUM_UNNECESSARY;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001545 else
1546 bp->eth_stats.hw_csum_err++;
1547 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001548 }
1549
1550#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001551 if ((bp->vlgrp != NULL) &&
1552 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1553 PARSING_FLAGS_VLAN))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001554 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1555 le16_to_cpu(cqe->fast_path_cqe.vlan_tag));
1556 else
1557#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001558 netif_receive_skb(skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001559
1560 bp->dev->last_rx = jiffies;
1561
1562next_rx:
1563 rx_buf->skb = NULL;
1564
1565 bd_cons = NEXT_RX_IDX(bd_cons);
1566 bd_prod = NEXT_RX_IDX(bd_prod);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001567 bd_prod_fw = NEXT_RX_IDX(bd_prod_fw);
1568 rx_pkt++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001569next_cqe:
1570 sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod);
1571 sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001572
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001573 if (rx_pkt == budget)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001574 break;
1575 } /* while */
1576
1577 fp->rx_bd_cons = bd_cons;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001578 fp->rx_bd_prod = bd_prod_fw;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001579 fp->rx_comp_cons = sw_comp_cons;
1580 fp->rx_comp_prod = sw_comp_prod;
1581
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001582 /* Update producers */
1583 bnx2x_update_rx_prod(bp, fp, bd_prod_fw, sw_comp_prod,
1584 fp->rx_sge_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001585 mmiowb(); /* keep prod updates ordered */
1586
1587 fp->rx_pkt += rx_pkt;
1588 fp->rx_calls++;
1589
1590 return rx_pkt;
1591}
1592
1593static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie)
1594{
1595 struct bnx2x_fastpath *fp = fp_cookie;
1596 struct bnx2x *bp = fp->bp;
1597 struct net_device *dev = bp->dev;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001598 int index = FP_IDX(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001599
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07001600 /* Return here if interrupt is disabled */
1601 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1602 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1603 return IRQ_HANDLED;
1604 }
1605
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001606 DP(BNX2X_MSG_FP, "got an MSI-X interrupt on IDX:SB [%d:%d]\n",
1607 index, FP_SB_ID(fp));
1608 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID, 0, IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001609
1610#ifdef BNX2X_STOP_ON_ERROR
1611 if (unlikely(bp->panic))
1612 return IRQ_HANDLED;
1613#endif
1614
1615 prefetch(fp->rx_cons_sb);
1616 prefetch(fp->tx_cons_sb);
1617 prefetch(&fp->status_blk->c_status_block.status_block_index);
1618 prefetch(&fp->status_blk->u_status_block.status_block_index);
1619
1620 netif_rx_schedule(dev, &bnx2x_fp(bp, index, napi));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001621
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001622 return IRQ_HANDLED;
1623}
1624
1625static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
1626{
1627 struct net_device *dev = dev_instance;
1628 struct bnx2x *bp = netdev_priv(dev);
1629 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001630 u16 mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001631
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001632 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001633 if (unlikely(status == 0)) {
1634 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1635 return IRQ_NONE;
1636 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001637 DP(NETIF_MSG_INTR, "got an interrupt status %u\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001638
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001639 /* Return here if interrupt is disabled */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001640 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1641 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1642 return IRQ_HANDLED;
1643 }
1644
Eilon Greenstein3196a882008-08-13 15:58:49 -07001645#ifdef BNX2X_STOP_ON_ERROR
1646 if (unlikely(bp->panic))
1647 return IRQ_HANDLED;
1648#endif
1649
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001650 mask = 0x2 << bp->fp[0].sb_id;
1651 if (status & mask) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001652 struct bnx2x_fastpath *fp = &bp->fp[0];
1653
1654 prefetch(fp->rx_cons_sb);
1655 prefetch(fp->tx_cons_sb);
1656 prefetch(&fp->status_blk->c_status_block.status_block_index);
1657 prefetch(&fp->status_blk->u_status_block.status_block_index);
1658
1659 netif_rx_schedule(dev, &bnx2x_fp(bp, 0, napi));
1660
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001661 status &= ~mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001662 }
1663
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001664
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001665 if (unlikely(status & 0x1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001666 schedule_work(&bp->sp_task);
1667
1668 status &= ~0x1;
1669 if (!status)
1670 return IRQ_HANDLED;
1671 }
1672
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001673 if (status)
1674 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status %u)\n",
1675 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001676
1677 return IRQ_HANDLED;
1678}
1679
1680/* end of fast path */
1681
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07001682static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001683
1684/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001685
1686/*
1687 * General service functions
1688 */
1689
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001690static int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001691{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001692 u32 lock_status;
1693 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001694 int func = BP_FUNC(bp);
1695 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001696 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001697
1698 /* Validating that the resource is within range */
1699 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1700 DP(NETIF_MSG_HW,
1701 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1702 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1703 return -EINVAL;
1704 }
1705
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001706 if (func <= 5) {
1707 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1708 } else {
1709 hw_lock_control_reg =
1710 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1711 }
1712
Eliezer Tamirf1410642008-02-28 11:51:50 -08001713 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001714 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001715 if (lock_status & resource_bit) {
1716 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1717 lock_status, resource_bit);
1718 return -EEXIST;
1719 }
1720
1721 /* Try for 1 second every 5ms */
1722 for (cnt = 0; cnt < 200; cnt++) {
1723 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001724 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1725 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001726 if (lock_status & resource_bit)
1727 return 0;
1728
1729 msleep(5);
1730 }
1731 DP(NETIF_MSG_HW, "Timeout\n");
1732 return -EAGAIN;
1733}
1734
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001735static int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001736{
1737 u32 lock_status;
1738 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001739 int func = BP_FUNC(bp);
1740 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001741
1742 /* Validating that the resource is within range */
1743 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1744 DP(NETIF_MSG_HW,
1745 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1746 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1747 return -EINVAL;
1748 }
1749
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001750 if (func <= 5) {
1751 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1752 } else {
1753 hw_lock_control_reg =
1754 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1755 }
1756
Eliezer Tamirf1410642008-02-28 11:51:50 -08001757 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001758 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001759 if (!(lock_status & resource_bit)) {
1760 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1761 lock_status, resource_bit);
1762 return -EFAULT;
1763 }
1764
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001765 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001766 return 0;
1767}
1768
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001769/* HW Lock for shared dual port PHYs */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001770static void bnx2x_acquire_phy_lock(struct bnx2x *bp)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001771{
1772 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1773
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001774 mutex_lock(&bp->port.phy_mutex);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001775
1776 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1777 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001778 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001779}
1780
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001781static void bnx2x_release_phy_lock(struct bnx2x *bp)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001782{
1783 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1784
1785 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1786 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001787 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001788
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001789 mutex_unlock(&bp->port.phy_mutex);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001790}
1791
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001792int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001793{
1794 /* The GPIO should be swapped if swap register is set and active */
1795 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001796 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001797 int gpio_shift = gpio_num +
1798 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1799 u32 gpio_mask = (1 << gpio_shift);
1800 u32 gpio_reg;
1801
1802 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1803 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1804 return -EINVAL;
1805 }
1806
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001807 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001808 /* read GPIO and mask except the float bits */
1809 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1810
1811 switch (mode) {
1812 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1813 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1814 gpio_num, gpio_shift);
1815 /* clear FLOAT and set CLR */
1816 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1817 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1818 break;
1819
1820 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1821 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1822 gpio_num, gpio_shift);
1823 /* clear FLOAT and set SET */
1824 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1825 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1826 break;
1827
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001828 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001829 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1830 gpio_num, gpio_shift);
1831 /* set FLOAT */
1832 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1833 break;
1834
1835 default:
1836 break;
1837 }
1838
1839 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001840 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001841
1842 return 0;
1843}
1844
1845static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1846{
1847 u32 spio_mask = (1 << spio_num);
1848 u32 spio_reg;
1849
1850 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1851 (spio_num > MISC_REGISTERS_SPIO_7)) {
1852 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1853 return -EINVAL;
1854 }
1855
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001856 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001857 /* read SPIO and mask except the float bits */
1858 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1859
1860 switch (mode) {
1861 case MISC_REGISTERS_SPIO_OUTPUT_LOW :
1862 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1863 /* clear FLOAT and set CLR */
1864 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1865 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1866 break;
1867
1868 case MISC_REGISTERS_SPIO_OUTPUT_HIGH :
1869 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1870 /* clear FLOAT and set SET */
1871 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1872 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1873 break;
1874
1875 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1876 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1877 /* set FLOAT */
1878 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1879 break;
1880
1881 default:
1882 break;
1883 }
1884
1885 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001886 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001887
1888 return 0;
1889}
1890
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001891static void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001892{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001893 switch (bp->link_vars.ieee_fc) {
1894 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001895 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001896 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001897 break;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001898 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001899 bp->port.advertising |= (ADVERTISED_Asym_Pause |
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001900 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001901 break;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001902 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001903 bp->port.advertising |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001904 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001905 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001906 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001907 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001908 break;
1909 }
1910}
1911
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001912static void bnx2x_link_report(struct bnx2x *bp)
1913{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001914 if (bp->link_vars.link_up) {
1915 if (bp->state == BNX2X_STATE_OPEN)
1916 netif_carrier_on(bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001917 printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
1918
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001919 printk("%d Mbps ", bp->link_vars.line_speed);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001920
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001921 if (bp->link_vars.duplex == DUPLEX_FULL)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001922 printk("full duplex");
1923 else
1924 printk("half duplex");
1925
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001926 if (bp->link_vars.flow_ctrl != FLOW_CTRL_NONE) {
1927 if (bp->link_vars.flow_ctrl & FLOW_CTRL_RX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001928 printk(", receive ");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001929 if (bp->link_vars.flow_ctrl & FLOW_CTRL_TX)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001930 printk("& transmit ");
1931 } else {
1932 printk(", transmit ");
1933 }
1934 printk("flow control ON");
1935 }
1936 printk("\n");
1937
1938 } else { /* link_down */
1939 netif_carrier_off(bp->dev);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001940 printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001941 }
1942}
1943
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001944static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001945{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001946 if (!BP_NOMCP(bp)) {
1947 u8 rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001948
Eilon Greenstein19680c42008-08-13 15:47:33 -07001949 /* Initialize link parameters structure variables */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001950 /* It is recommended to turn off RX FC for jumbo frames
1951 for better performance */
1952 if (IS_E1HMF(bp))
1953 bp->link_params.req_fc_auto_adv = FLOW_CTRL_BOTH;
1954 else if (bp->dev->mtu > 5000)
1955 bp->link_params.req_fc_auto_adv = FLOW_CTRL_TX;
1956 else
1957 bp->link_params.req_fc_auto_adv = FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001958
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001959 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001960 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001961 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001962
Eilon Greenstein19680c42008-08-13 15:47:33 -07001963 if (bp->link_vars.link_up)
1964 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001965
Eilon Greenstein19680c42008-08-13 15:47:33 -07001966 bnx2x_calc_fc_adv(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001967
Eilon Greenstein19680c42008-08-13 15:47:33 -07001968 return rc;
1969 }
1970 BNX2X_ERR("Bootcode is missing -not initializing link\n");
1971 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001972}
1973
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001974static void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001975{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001976 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001977 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001978 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001979 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001980
Eilon Greenstein19680c42008-08-13 15:47:33 -07001981 bnx2x_calc_fc_adv(bp);
1982 } else
1983 BNX2X_ERR("Bootcode is missing -not setting link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001984}
1985
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001986static void bnx2x__link_reset(struct bnx2x *bp)
1987{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001988 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001989 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001990 bnx2x_link_reset(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001991 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001992 } else
1993 BNX2X_ERR("Bootcode is missing -not resetting link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001994}
1995
1996static u8 bnx2x_link_test(struct bnx2x *bp)
1997{
1998 u8 rc;
1999
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002000 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002001 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002002 bnx2x_release_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002003
2004 return rc;
2005}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002006
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002007/* Calculates the sum of vn_min_rates.
2008 It's needed for further normalizing of the min_rates.
2009
2010 Returns:
2011 sum of vn_min_rates
2012 or
2013 0 - if all the min_rates are 0.
Eilon Greenstein33471622008-08-13 15:59:08 -07002014 In the later case fairness algorithm should be deactivated.
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002015 If not all min_rates are zero then those that are zeroes will
2016 be set to 1.
2017 */
2018static u32 bnx2x_calc_vn_wsum(struct bnx2x *bp)
2019{
2020 int i, port = BP_PORT(bp);
2021 u32 wsum = 0;
2022 int all_zero = 1;
2023
2024 for (i = 0; i < E1HVN_MAX; i++) {
2025 u32 vn_cfg =
2026 SHMEM_RD(bp, mf_cfg.func_mf_config[2*i + port].config);
2027 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2028 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2029 if (!(vn_cfg & FUNC_MF_CFG_FUNC_HIDE)) {
2030 /* If min rate is zero - set it to 1 */
2031 if (!vn_min_rate)
2032 vn_min_rate = DEF_MIN_RATE;
2033 else
2034 all_zero = 0;
2035
2036 wsum += vn_min_rate;
2037 }
2038 }
2039
2040 /* ... only if all min rates are zeros - disable FAIRNESS */
2041 if (all_zero)
2042 return 0;
2043
2044 return wsum;
2045}
2046
2047static void bnx2x_init_port_minmax(struct bnx2x *bp,
2048 int en_fness,
2049 u16 port_rate,
2050 struct cmng_struct_per_port *m_cmng_port)
2051{
2052 u32 r_param = port_rate / 8;
2053 int port = BP_PORT(bp);
2054 int i;
2055
2056 memset(m_cmng_port, 0, sizeof(struct cmng_struct_per_port));
2057
2058 /* Enable minmax only if we are in e1hmf mode */
2059 if (IS_E1HMF(bp)) {
2060 u32 fair_periodic_timeout_usec;
2061 u32 t_fair;
2062
2063 /* Enable rate shaping and fairness */
2064 m_cmng_port->flags.cmng_vn_enable = 1;
2065 m_cmng_port->flags.fairness_enable = en_fness ? 1 : 0;
2066 m_cmng_port->flags.rate_shaping_enable = 1;
2067
2068 if (!en_fness)
2069 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2070 " fairness will be disabled\n");
2071
2072 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
2073 m_cmng_port->rs_vars.rs_periodic_timeout =
2074 RS_PERIODIC_TIMEOUT_USEC / 4;
2075
2076 /* this is the threshold below which no timer arming will occur
2077 1.25 coefficient is for the threshold to be a little bigger
2078 than the real time, to compensate for timer in-accuracy */
2079 m_cmng_port->rs_vars.rs_threshold =
2080 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
2081
2082 /* resolution of fairness timer */
2083 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
2084 /* for 10G it is 1000usec. for 1G it is 10000usec. */
2085 t_fair = T_FAIR_COEF / port_rate;
2086
2087 /* this is the threshold below which we won't arm
2088 the timer anymore */
2089 m_cmng_port->fair_vars.fair_threshold = QM_ARB_BYTES;
2090
2091 /* we multiply by 1e3/8 to get bytes/msec.
2092 We don't want the credits to pass a credit
2093 of the T_FAIR*FAIR_MEM (algorithm resolution) */
2094 m_cmng_port->fair_vars.upper_bound =
2095 r_param * t_fair * FAIR_MEM;
2096 /* since each tick is 4 usec */
2097 m_cmng_port->fair_vars.fairness_timeout =
2098 fair_periodic_timeout_usec / 4;
2099
2100 } else {
2101 /* Disable rate shaping and fairness */
2102 m_cmng_port->flags.cmng_vn_enable = 0;
2103 m_cmng_port->flags.fairness_enable = 0;
2104 m_cmng_port->flags.rate_shaping_enable = 0;
2105
2106 DP(NETIF_MSG_IFUP,
2107 "Single function mode minmax will be disabled\n");
2108 }
2109
2110 /* Store it to internal memory */
2111 for (i = 0; i < sizeof(struct cmng_struct_per_port) / 4; i++)
2112 REG_WR(bp, BAR_XSTRORM_INTMEM +
2113 XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i * 4,
2114 ((u32 *)(m_cmng_port))[i]);
2115}
2116
2117static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func,
2118 u32 wsum, u16 port_rate,
2119 struct cmng_struct_per_port *m_cmng_port)
2120{
2121 struct rate_shaping_vars_per_vn m_rs_vn;
2122 struct fairness_vars_per_vn m_fair_vn;
2123 u32 vn_cfg = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
2124 u16 vn_min_rate, vn_max_rate;
2125 int i;
2126
2127 /* If function is hidden - set min and max to zeroes */
2128 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
2129 vn_min_rate = 0;
2130 vn_max_rate = 0;
2131
2132 } else {
2133 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2134 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2135 /* If FAIRNESS is enabled (not all min rates are zeroes) and
2136 if current min rate is zero - set it to 1.
Eilon Greenstein33471622008-08-13 15:59:08 -07002137 This is a requirement of the algorithm. */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002138 if ((vn_min_rate == 0) && wsum)
2139 vn_min_rate = DEF_MIN_RATE;
2140 vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
2141 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
2142 }
2143
2144 DP(NETIF_MSG_IFUP, "func %d: vn_min_rate=%d vn_max_rate=%d "
2145 "wsum=%d\n", func, vn_min_rate, vn_max_rate, wsum);
2146
2147 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
2148 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
2149
2150 /* global vn counter - maximal Mbps for this vn */
2151 m_rs_vn.vn_counter.rate = vn_max_rate;
2152
2153 /* quota - number of bytes transmitted in this period */
2154 m_rs_vn.vn_counter.quota =
2155 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2156
2157#ifdef BNX2X_PER_PROT_QOS
2158 /* per protocol counter */
2159 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++) {
2160 /* maximal Mbps for this protocol */
2161 m_rs_vn.protocol_counters[protocol].rate =
2162 protocol_max_rate[protocol];
2163 /* the quota in each timer period -
2164 number of bytes transmitted in this period */
2165 m_rs_vn.protocol_counters[protocol].quota =
2166 (u32)(rs_periodic_timeout_usec *
2167 ((double)m_rs_vn.
2168 protocol_counters[protocol].rate/8));
2169 }
2170#endif
2171
2172 if (wsum) {
2173 /* credit for each period of the fairness algorithm:
2174 number of bytes in T_FAIR (the vn share the port rate).
2175 wsum should not be larger than 10000, thus
2176 T_FAIR_COEF / (8 * wsum) will always be grater than zero */
2177 m_fair_vn.vn_credit_delta =
2178 max((u64)(vn_min_rate * (T_FAIR_COEF / (8 * wsum))),
2179 (u64)(m_cmng_port->fair_vars.fair_threshold * 2));
2180 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta=%d\n",
2181 m_fair_vn.vn_credit_delta);
2182 }
2183
2184#ifdef BNX2X_PER_PROT_QOS
2185 do {
2186 u32 protocolWeightSum = 0;
2187
2188 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++)
2189 protocolWeightSum +=
2190 drvInit.protocol_min_rate[protocol];
2191 /* per protocol counter -
2192 NOT NEEDED IF NO PER-PROTOCOL CONGESTION MANAGEMENT */
2193 if (protocolWeightSum > 0) {
2194 for (protocol = 0;
2195 protocol < NUM_OF_PROTOCOLS; protocol++)
2196 /* credit for each period of the
2197 fairness algorithm - number of bytes in
2198 T_FAIR (the protocol share the vn rate) */
2199 m_fair_vn.protocol_credit_delta[protocol] =
2200 (u32)((vn_min_rate / 8) * t_fair *
2201 protocol_min_rate / protocolWeightSum);
2202 }
2203 } while (0);
2204#endif
2205
2206 /* Store it to internal memory */
2207 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2208 REG_WR(bp, BAR_XSTRORM_INTMEM +
2209 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2210 ((u32 *)(&m_rs_vn))[i]);
2211
2212 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2213 REG_WR(bp, BAR_XSTRORM_INTMEM +
2214 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2215 ((u32 *)(&m_fair_vn))[i]);
2216}
2217
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002218/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002219static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002220{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002221 int vn;
2222
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002223 /* Make sure that we are synced with the current statistics */
2224 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2225
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002226 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002227 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002228 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002229
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002230 if (bp->link_vars.link_up) {
2231
2232 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2233 struct host_port_stats *pstats;
2234
2235 pstats = bnx2x_sp(bp, port_stats);
2236 /* reset old bmac stats */
2237 memset(&(pstats->mac_stx[0]), 0,
2238 sizeof(struct mac_stx));
2239 }
2240 if ((bp->state == BNX2X_STATE_OPEN) ||
2241 (bp->state == BNX2X_STATE_DISABLED))
2242 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2243 }
2244
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002245 /* indicate link status */
2246 bnx2x_link_report(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002247
2248 if (IS_E1HMF(bp)) {
2249 int func;
2250
2251 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2252 if (vn == BP_E1HVN(bp))
2253 continue;
2254
2255 func = ((vn << 1) | BP_PORT(bp));
2256
2257 /* Set the attention towards other drivers
2258 on the same port */
2259 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2260 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2261 }
2262 }
2263
2264 if (CHIP_IS_E1H(bp) && (bp->link_vars.line_speed > 0)) {
2265 struct cmng_struct_per_port m_cmng_port;
2266 u32 wsum;
2267 int port = BP_PORT(bp);
2268
2269 /* Init RATE SHAPING and FAIRNESS contexts */
2270 wsum = bnx2x_calc_vn_wsum(bp);
2271 bnx2x_init_port_minmax(bp, (int)wsum,
2272 bp->link_vars.line_speed,
2273 &m_cmng_port);
2274 if (IS_E1HMF(bp))
2275 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2276 bnx2x_init_vn_minmax(bp, 2*vn + port,
2277 wsum, bp->link_vars.line_speed,
2278 &m_cmng_port);
2279 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002280}
2281
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002282static void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002283{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002284 if (bp->state != BNX2X_STATE_OPEN)
2285 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002286
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002287 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2288
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002289 if (bp->link_vars.link_up)
2290 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2291 else
2292 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2293
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002294 /* indicate link status */
2295 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002296}
2297
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002298static void bnx2x_pmf_update(struct bnx2x *bp)
2299{
2300 int port = BP_PORT(bp);
2301 u32 val;
2302
2303 bp->port.pmf = 1;
2304 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2305
2306 /* enable nig attention */
2307 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
2308 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2309 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002310
2311 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002312}
2313
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002314/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002315
2316/* slow path */
2317
2318/*
2319 * General service functions
2320 */
2321
2322/* the slow path queue is odd since completions arrive on the fastpath ring */
2323static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
2324 u32 data_hi, u32 data_lo, int common)
2325{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002326 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002327
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002328 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
2329 "SPQE (%x:%x) command %d hw_cid %x data (%x:%x) left %x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002330 (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) +
2331 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
2332 HW_CID(bp, cid), data_hi, data_lo, bp->spq_left);
2333
2334#ifdef BNX2X_STOP_ON_ERROR
2335 if (unlikely(bp->panic))
2336 return -EIO;
2337#endif
2338
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002339 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002340
2341 if (!bp->spq_left) {
2342 BNX2X_ERR("BUG! SPQ ring full!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002343 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002344 bnx2x_panic();
2345 return -EBUSY;
2346 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08002347
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002348 /* CID needs port number to be encoded int it */
2349 bp->spq_prod_bd->hdr.conn_and_cmd_data =
2350 cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) |
2351 HW_CID(bp, cid)));
2352 bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE);
2353 if (common)
2354 bp->spq_prod_bd->hdr.type |=
2355 cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT));
2356
2357 bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi);
2358 bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo);
2359
2360 bp->spq_left--;
2361
2362 if (bp->spq_prod_bd == bp->spq_last_bd) {
2363 bp->spq_prod_bd = bp->spq;
2364 bp->spq_prod_idx = 0;
2365 DP(NETIF_MSG_TIMER, "end of spq\n");
2366
2367 } else {
2368 bp->spq_prod_bd++;
2369 bp->spq_prod_idx++;
2370 }
2371
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002372 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002373 bp->spq_prod_idx);
2374
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002375 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002376 return 0;
2377}
2378
2379/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002380static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002381{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002382 u32 i, j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002383 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002384
2385 might_sleep();
2386 i = 100;
2387 for (j = 0; j < i*10; j++) {
2388 val = (1UL << 31);
2389 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2390 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2391 if (val & (1L << 31))
2392 break;
2393
2394 msleep(5);
2395 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002396 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07002397 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002398 rc = -EBUSY;
2399 }
2400
2401 return rc;
2402}
2403
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002404/* release split MCP access lock register */
2405static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002406{
2407 u32 val = 0;
2408
2409 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2410}
2411
2412static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2413{
2414 struct host_def_status_block *def_sb = bp->def_status_blk;
2415 u16 rc = 0;
2416
2417 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002418 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2419 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
2420 rc |= 1;
2421 }
2422 if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) {
2423 bp->def_c_idx = def_sb->c_def_status_block.status_block_index;
2424 rc |= 2;
2425 }
2426 if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) {
2427 bp->def_u_idx = def_sb->u_def_status_block.status_block_index;
2428 rc |= 4;
2429 }
2430 if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) {
2431 bp->def_x_idx = def_sb->x_def_status_block.status_block_index;
2432 rc |= 8;
2433 }
2434 if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) {
2435 bp->def_t_idx = def_sb->t_def_status_block.status_block_index;
2436 rc |= 16;
2437 }
2438 return rc;
2439}
2440
2441/*
2442 * slow path service functions
2443 */
2444
2445static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2446{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002447 int port = BP_PORT(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07002448 u32 hc_addr = (HC_REG_COMMAND_REG + port*32 +
2449 COMMAND_REG_ATTN_BITS_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002450 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2451 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002452 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2453 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002454 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002455
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002456 if (bp->attn_state & asserted)
2457 BNX2X_ERR("IGU ERROR\n");
2458
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002459 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2460 aeu_mask = REG_RD(bp, aeu_addr);
2461
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002462 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002463 aeu_mask, asserted);
2464 aeu_mask &= ~(asserted & 0xff);
2465 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002466
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002467 REG_WR(bp, aeu_addr, aeu_mask);
2468 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002469
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002470 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002471 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002472 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002473
2474 if (asserted & ATTN_HARD_WIRED_MASK) {
2475 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002476
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002477 /* save nig interrupt mask */
2478 bp->nig_mask = REG_RD(bp, nig_int_mask_addr);
2479 REG_WR(bp, nig_int_mask_addr, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002480
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002481 bnx2x_link_attn(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002482
2483 /* handle unicore attn? */
2484 }
2485 if (asserted & ATTN_SW_TIMER_4_FUNC)
2486 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2487
2488 if (asserted & GPIO_2_FUNC)
2489 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2490
2491 if (asserted & GPIO_3_FUNC)
2492 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2493
2494 if (asserted & GPIO_4_FUNC)
2495 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2496
2497 if (port == 0) {
2498 if (asserted & ATTN_GENERAL_ATTN_1) {
2499 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2500 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2501 }
2502 if (asserted & ATTN_GENERAL_ATTN_2) {
2503 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2504 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2505 }
2506 if (asserted & ATTN_GENERAL_ATTN_3) {
2507 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2508 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2509 }
2510 } else {
2511 if (asserted & ATTN_GENERAL_ATTN_4) {
2512 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2513 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2514 }
2515 if (asserted & ATTN_GENERAL_ATTN_5) {
2516 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2517 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2518 }
2519 if (asserted & ATTN_GENERAL_ATTN_6) {
2520 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2521 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2522 }
2523 }
2524
2525 } /* if hardwired */
2526
Eilon Greenstein5c862842008-08-13 15:51:48 -07002527 DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2528 asserted, hc_addr);
2529 REG_WR(bp, hc_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002530
2531 /* now set back the mask */
2532 if (asserted & ATTN_NIG_FOR_FUNC)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002533 REG_WR(bp, nig_int_mask_addr, bp->nig_mask);
2534}
2535
2536static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2537{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002538 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002539 int reg_offset;
2540 u32 val;
2541
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002542 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2543 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002544
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002545 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002546
2547 val = REG_RD(bp, reg_offset);
2548 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2549 REG_WR(bp, reg_offset, val);
2550
2551 BNX2X_ERR("SPIO5 hw attention\n");
2552
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002553 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
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))
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002762 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) { \
2907 /* 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 { \
2911 /* 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 { \
2921 /* m_hi >= s_hi */ \
2922 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",
3785 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) {
5341 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5342 /* Fan failure is indicated by SPIO 5 */
5343 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
5344 MISC_REGISTERS_SPIO_INPUT_HI_Z);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005345
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005346 /* set to active low mode */
5347 val = REG_RD(bp, MISC_REG_SPIO_INT);
5348 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Eliezer Tamirf1410642008-02-28 11:51:50 -08005349 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005350 REG_WR(bp, MISC_REG_SPIO_INT, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005351
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005352 /* enable interrupt to signal the IGU */
5353 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
5354 val |= (1 << MISC_REGISTERS_SPIO_5);
5355 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
5356 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08005357
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005358 default:
5359 break;
5360 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08005361
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005362 /* clear PXP2 attentions */
5363 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005364
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005365 enable_blocks_attention(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005366
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005367 if (bp->flags & TPA_ENABLE_FLAG) {
5368 struct tstorm_eth_tpa_exist tmp = {0};
5369
5370 tmp.tpa_exist = 1;
5371
5372 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET,
5373 ((u32 *)&tmp)[0]);
5374 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET + 4,
5375 ((u32 *)&tmp)[1]);
5376 }
5377
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005378 if (!BP_NOMCP(bp)) {
5379 bnx2x_acquire_phy_lock(bp);
5380 bnx2x_common_init_phy(bp, bp->common.shmem_base);
5381 bnx2x_release_phy_lock(bp);
5382 } else
5383 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5384
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005385 return 0;
5386}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005387
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005388static int bnx2x_init_port(struct bnx2x *bp)
5389{
5390 int port = BP_PORT(bp);
5391 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005392
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005393 DP(BNX2X_MSG_MCP, "starting port init port %x\n", port);
5394
5395 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005396
5397 /* Port PXP comes here */
5398 /* Port PXP2 comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005399#ifdef BCM_ISCSI
5400 /* Port0 1
5401 * Port1 385 */
5402 i++;
5403 wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping);
5404 wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping);
5405 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5406 REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i));
5407
5408 /* Port0 2
5409 * Port1 386 */
5410 i++;
5411 wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping);
5412 wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping);
5413 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5414 REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i));
5415
5416 /* Port0 3
5417 * Port1 387 */
5418 i++;
5419 wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping);
5420 wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping);
5421 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5422 REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i));
5423#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005424 /* Port CMs come here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005425
5426 /* Port QM comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005427#ifdef BCM_ISCSI
5428 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20);
5429 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31);
5430
5431 bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START,
5432 func ? TIMERS_PORT1_END : TIMERS_PORT0_END);
5433#endif
5434 /* Port DQ comes here */
5435 /* Port BRB1 comes here */
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005436 /* Port PRS comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005437 /* Port TSDM comes here */
5438 /* Port CSDM comes here */
5439 /* Port USDM comes here */
5440 /* Port XSDM comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005441 bnx2x_init_block(bp, port ? TSEM_PORT1_START : TSEM_PORT0_START,
5442 port ? TSEM_PORT1_END : TSEM_PORT0_END);
5443 bnx2x_init_block(bp, port ? USEM_PORT1_START : USEM_PORT0_START,
5444 port ? USEM_PORT1_END : USEM_PORT0_END);
5445 bnx2x_init_block(bp, port ? CSEM_PORT1_START : CSEM_PORT0_START,
5446 port ? CSEM_PORT1_END : CSEM_PORT0_END);
5447 bnx2x_init_block(bp, port ? XSEM_PORT1_START : XSEM_PORT0_START,
5448 port ? XSEM_PORT1_END : XSEM_PORT0_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005449 /* Port UPB comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005450 /* Port XPB comes here */
5451
5452 bnx2x_init_block(bp, port ? PBF_PORT1_START : PBF_PORT0_START,
5453 port ? PBF_PORT1_END : PBF_PORT0_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005454
5455 /* configure PBF to work without PAUSE mtu 9000 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005456 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005457
5458 /* update threshold */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005459 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005460 /* update init credit */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005461 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005462
5463 /* probe changes */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005464 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005465 msleep(5);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005466 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005467
5468#ifdef BCM_ISCSI
5469 /* tell the searcher where the T2 table is */
5470 REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64);
5471
5472 wb_write[0] = U64_LO(bp->t2_mapping);
5473 wb_write[1] = U64_HI(bp->t2_mapping);
5474 REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2);
5475 wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64);
5476 wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64);
5477 REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2);
5478
5479 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10);
5480 /* Port SRCH comes here */
5481#endif
5482 /* Port CDU comes here */
5483 /* Port CFC comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005484
5485 if (CHIP_IS_E1(bp)) {
5486 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5487 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5488 }
5489 bnx2x_init_block(bp, port ? HC_PORT1_START : HC_PORT0_START,
5490 port ? HC_PORT1_END : HC_PORT0_END);
5491
5492 bnx2x_init_block(bp, port ? MISC_AEU_PORT1_START :
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005493 MISC_AEU_PORT0_START,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005494 port ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END);
5495 /* init aeu_mask_attn_func_0/1:
5496 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5497 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5498 * bits 4-7 are used for "per vn group attention" */
5499 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4,
5500 (IS_E1HMF(bp) ? 0xF7 : 0x7));
5501
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005502 /* Port PXPCS comes here */
5503 /* Port EMAC0 comes here */
5504 /* Port EMAC1 comes here */
5505 /* Port DBU comes here */
5506 /* Port DBG comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005507 bnx2x_init_block(bp, port ? NIG_PORT1_START : NIG_PORT0_START,
5508 port ? NIG_PORT1_END : NIG_PORT0_END);
5509
5510 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5511
5512 if (CHIP_IS_E1H(bp)) {
5513 u32 wsum;
5514 struct cmng_struct_per_port m_cmng_port;
5515 int vn;
5516
5517 /* 0x2 disable e1hov, 0x1 enable */
5518 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
5519 (IS_E1HMF(bp) ? 0x1 : 0x2));
5520
5521 /* Init RATE SHAPING and FAIRNESS contexts.
5522 Initialize as if there is 10G link. */
5523 wsum = bnx2x_calc_vn_wsum(bp);
5524 bnx2x_init_port_minmax(bp, (int)wsum, 10000, &m_cmng_port);
5525 if (IS_E1HMF(bp))
5526 for (vn = VN_0; vn < E1HVN_MAX; vn++)
5527 bnx2x_init_vn_minmax(bp, 2*vn + port,
5528 wsum, 10000, &m_cmng_port);
5529 }
5530
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005531 /* Port MCP comes here */
5532 /* Port DMAE comes here */
5533
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005534 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08005535 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5536 /* add SPIO 5 to group 0 */
5537 val = REG_RD(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5538 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
5539 REG_WR(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0, val);
5540 break;
5541
5542 default:
5543 break;
5544 }
5545
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07005546 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005547
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005548 return 0;
5549}
5550
5551#define ILT_PER_FUNC (768/2)
5552#define FUNC_ILT_BASE(func) (func * ILT_PER_FUNC)
5553/* the phys address is shifted right 12 bits and has an added
5554 1=valid bit added to the 53rd bit
5555 then since this is a wide register(TM)
5556 we split it into two 32 bit writes
5557 */
5558#define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF))
5559#define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44)))
5560#define PXP_ONE_ILT(x) (((x) << 10) | x)
5561#define PXP_ILT_RANGE(f, l) (((l) << 10) | f)
5562
5563#define CNIC_ILT_LINES 0
5564
5565static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5566{
5567 int reg;
5568
5569 if (CHIP_IS_E1H(bp))
5570 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5571 else /* E1 */
5572 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
5573
5574 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5575}
5576
5577static int bnx2x_init_func(struct bnx2x *bp)
5578{
5579 int port = BP_PORT(bp);
5580 int func = BP_FUNC(bp);
5581 int i;
5582
5583 DP(BNX2X_MSG_MCP, "starting func init func %x\n", func);
5584
5585 i = FUNC_ILT_BASE(func);
5586
5587 bnx2x_ilt_wr(bp, i, bnx2x_sp_mapping(bp, context));
5588 if (CHIP_IS_E1H(bp)) {
5589 REG_WR(bp, PXP2_REG_RQ_CDU_FIRST_ILT, i);
5590 REG_WR(bp, PXP2_REG_RQ_CDU_LAST_ILT, i + CNIC_ILT_LINES);
5591 } else /* E1 */
5592 REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4,
5593 PXP_ILT_RANGE(i, i + CNIC_ILT_LINES));
5594
5595
5596 if (CHIP_IS_E1H(bp)) {
5597 for (i = 0; i < 9; i++)
5598 bnx2x_init_block(bp,
5599 cm_start[func][i], cm_end[func][i]);
5600
5601 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
5602 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->e1hov);
5603 }
5604
5605 /* HC init per function */
5606 if (CHIP_IS_E1H(bp)) {
5607 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5608
5609 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5610 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5611 }
5612 bnx2x_init_block(bp, hc_limits[func][0], hc_limits[func][1]);
5613
5614 if (CHIP_IS_E1H(bp))
5615 REG_WR(bp, HC_REG_FUNC_NUM_P0 + port*4, func);
5616
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005617 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005618 REG_WR(bp, 0x2114, 0xffffffff);
5619 REG_WR(bp, 0x2120, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005620
5621 return 0;
5622}
5623
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005624static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5625{
5626 int i, rc = 0;
5627
5628 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
5629 BP_FUNC(bp), load_code);
5630
5631 bp->dmae_ready = 0;
5632 mutex_init(&bp->dmae_mutex);
5633 bnx2x_gunzip_init(bp);
5634
5635 switch (load_code) {
5636 case FW_MSG_CODE_DRV_LOAD_COMMON:
5637 rc = bnx2x_init_common(bp);
5638 if (rc)
5639 goto init_hw_err;
5640 /* no break */
5641
5642 case FW_MSG_CODE_DRV_LOAD_PORT:
5643 bp->dmae_ready = 1;
5644 rc = bnx2x_init_port(bp);
5645 if (rc)
5646 goto init_hw_err;
5647 /* no break */
5648
5649 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5650 bp->dmae_ready = 1;
5651 rc = bnx2x_init_func(bp);
5652 if (rc)
5653 goto init_hw_err;
5654 break;
5655
5656 default:
5657 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5658 break;
5659 }
5660
5661 if (!BP_NOMCP(bp)) {
5662 int func = BP_FUNC(bp);
5663
5664 bp->fw_drv_pulse_wr_seq =
5665 (SHMEM_RD(bp, func_mb[func].drv_pulse_mb) &
5666 DRV_PULSE_SEQ_MASK);
5667 bp->func_stx = SHMEM_RD(bp, func_mb[func].fw_mb_param);
5668 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x func_stx 0x%x\n",
5669 bp->fw_drv_pulse_wr_seq, bp->func_stx);
5670 } else
5671 bp->func_stx = 0;
5672
5673 /* this needs to be done before gunzip end */
5674 bnx2x_zero_def_sb(bp);
5675 for_each_queue(bp, i)
5676 bnx2x_zero_sb(bp, BP_L_ID(bp) + i);
5677
5678init_hw_err:
5679 bnx2x_gunzip_end(bp);
5680
5681 return rc;
5682}
5683
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005684/* send the MCP a request, block until there is a reply */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005685static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
5686{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005687 int func = BP_FUNC(bp);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005688 u32 seq = ++bp->fw_seq;
5689 u32 rc = 0;
Eilon Greenstein19680c42008-08-13 15:47:33 -07005690 u32 cnt = 1;
5691 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005692
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005693 SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq));
Eliezer Tamirf1410642008-02-28 11:51:50 -08005694 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005695
Eilon Greenstein19680c42008-08-13 15:47:33 -07005696 do {
5697 /* let the FW do it's magic ... */
5698 msleep(delay);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005699
Eilon Greenstein19680c42008-08-13 15:47:33 -07005700 rc = SHMEM_RD(bp, func_mb[func].fw_mb_header);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005701
Eilon Greenstein19680c42008-08-13 15:47:33 -07005702 /* Give the FW up to 2 second (200*10ms) */
5703 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 200));
5704
5705 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
5706 cnt*delay, rc, seq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005707
5708 /* is this a reply to our command? */
5709 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) {
5710 rc &= FW_MSG_CODE_MASK;
Eliezer Tamirf1410642008-02-28 11:51:50 -08005711
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005712 } else {
5713 /* FW BUG! */
5714 BNX2X_ERR("FW failed to respond!\n");
5715 bnx2x_fw_dump(bp);
5716 rc = 0;
5717 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08005718
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005719 return rc;
5720}
5721
5722static void bnx2x_free_mem(struct bnx2x *bp)
5723{
5724
5725#define BNX2X_PCI_FREE(x, y, size) \
5726 do { \
5727 if (x) { \
5728 pci_free_consistent(bp->pdev, size, x, y); \
5729 x = NULL; \
5730 y = 0; \
5731 } \
5732 } while (0)
5733
5734#define BNX2X_FREE(x) \
5735 do { \
5736 if (x) { \
5737 vfree(x); \
5738 x = NULL; \
5739 } \
5740 } while (0)
5741
5742 int i;
5743
5744 /* fastpath */
5745 for_each_queue(bp, i) {
5746
5747 /* Status blocks */
5748 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk),
5749 bnx2x_fp(bp, i, status_blk_mapping),
5750 sizeof(struct host_status_block) +
5751 sizeof(struct eth_tx_db_data));
5752
5753 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5754 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
5755 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
5756 bnx2x_fp(bp, i, tx_desc_mapping),
5757 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5758
5759 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5760 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5761 bnx2x_fp(bp, i, rx_desc_mapping),
5762 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5763
5764 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5765 bnx2x_fp(bp, i, rx_comp_mapping),
5766 sizeof(struct eth_fast_path_rx_cqe) *
5767 NUM_RCQ_BD);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005768
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005769 /* SGE ring */
Eilon Greenstein32626232008-08-13 15:51:07 -07005770 BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005771 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5772 bnx2x_fp(bp, i, rx_sge_mapping),
5773 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5774 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005775 /* end of fastpath */
5776
5777 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005778 sizeof(struct host_def_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005779
5780 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005781 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005782
5783#ifdef BCM_ISCSI
5784 BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024);
5785 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024);
5786 BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024);
5787 BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024);
5788#endif
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005789 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005790
5791#undef BNX2X_PCI_FREE
5792#undef BNX2X_KFREE
5793}
5794
5795static int bnx2x_alloc_mem(struct bnx2x *bp)
5796{
5797
5798#define BNX2X_PCI_ALLOC(x, y, size) \
5799 do { \
5800 x = pci_alloc_consistent(bp->pdev, size, y); \
5801 if (x == NULL) \
5802 goto alloc_mem_err; \
5803 memset(x, 0, size); \
5804 } while (0)
5805
5806#define BNX2X_ALLOC(x, size) \
5807 do { \
5808 x = vmalloc(size); \
5809 if (x == NULL) \
5810 goto alloc_mem_err; \
5811 memset(x, 0, size); \
5812 } while (0)
5813
5814 int i;
5815
5816 /* fastpath */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005817 for_each_queue(bp, i) {
5818 bnx2x_fp(bp, i, bp) = bp;
5819
5820 /* Status blocks */
5821 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk),
5822 &bnx2x_fp(bp, i, status_blk_mapping),
5823 sizeof(struct host_status_block) +
5824 sizeof(struct eth_tx_db_data));
5825
5826 bnx2x_fp(bp, i, hw_tx_prods) =
5827 (void *)(bnx2x_fp(bp, i, status_blk) + 1);
5828
5829 bnx2x_fp(bp, i, tx_prods_mapping) =
5830 bnx2x_fp(bp, i, status_blk_mapping) +
5831 sizeof(struct host_status_block);
5832
5833 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5834 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
5835 sizeof(struct sw_tx_bd) * NUM_TX_BD);
5836 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
5837 &bnx2x_fp(bp, i, tx_desc_mapping),
5838 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5839
5840 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
5841 sizeof(struct sw_rx_bd) * NUM_RX_BD);
5842 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
5843 &bnx2x_fp(bp, i, rx_desc_mapping),
5844 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5845
5846 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
5847 &bnx2x_fp(bp, i, rx_comp_mapping),
5848 sizeof(struct eth_fast_path_rx_cqe) *
5849 NUM_RCQ_BD);
5850
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005851 /* SGE ring */
5852 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
5853 sizeof(struct sw_rx_page) * NUM_RX_SGE);
5854 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
5855 &bnx2x_fp(bp, i, rx_sge_mapping),
5856 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005857 }
5858 /* end of fastpath */
5859
5860 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
5861 sizeof(struct host_def_status_block));
5862
5863 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5864 sizeof(struct bnx2x_slowpath));
5865
5866#ifdef BCM_ISCSI
5867 BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024);
5868
5869 /* Initialize T1 */
5870 for (i = 0; i < 64*1024; i += 64) {
5871 *(u64 *)((char *)bp->t1 + i + 56) = 0x0UL;
5872 *(u64 *)((char *)bp->t1 + i + 3) = 0x0UL;
5873 }
5874
5875 /* allocate searcher T2 table
5876 we allocate 1/4 of alloc num for T2
5877 (which is not entered into the ILT) */
5878 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024);
5879
5880 /* Initialize T2 */
5881 for (i = 0; i < 16*1024; i += 64)
5882 * (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64;
5883
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005884 /* now fixup the last line in the block to point to the next block */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005885 *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping;
5886
5887 /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */
5888 BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024);
5889
5890 /* QM queues (128*MAX_CONN) */
5891 BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024);
5892#endif
5893
5894 /* Slow path ring */
5895 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5896
5897 return 0;
5898
5899alloc_mem_err:
5900 bnx2x_free_mem(bp);
5901 return -ENOMEM;
5902
5903#undef BNX2X_PCI_ALLOC
5904#undef BNX2X_ALLOC
5905}
5906
5907static void bnx2x_free_tx_skbs(struct bnx2x *bp)
5908{
5909 int i;
5910
5911 for_each_queue(bp, i) {
5912 struct bnx2x_fastpath *fp = &bp->fp[i];
5913
5914 u16 bd_cons = fp->tx_bd_cons;
5915 u16 sw_prod = fp->tx_pkt_prod;
5916 u16 sw_cons = fp->tx_pkt_cons;
5917
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005918 while (sw_cons != sw_prod) {
5919 bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons));
5920 sw_cons++;
5921 }
5922 }
5923}
5924
5925static void bnx2x_free_rx_skbs(struct bnx2x *bp)
5926{
5927 int i, j;
5928
5929 for_each_queue(bp, j) {
5930 struct bnx2x_fastpath *fp = &bp->fp[j];
5931
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005932 for (i = 0; i < NUM_RX_BD; i++) {
5933 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i];
5934 struct sk_buff *skb = rx_buf->skb;
5935
5936 if (skb == NULL)
5937 continue;
5938
5939 pci_unmap_single(bp->pdev,
5940 pci_unmap_addr(rx_buf, mapping),
5941 bp->rx_buf_use_size,
5942 PCI_DMA_FROMDEVICE);
5943
5944 rx_buf->skb = NULL;
5945 dev_kfree_skb(skb);
5946 }
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005947 if (!fp->disable_tpa)
Eilon Greenstein32626232008-08-13 15:51:07 -07005948 bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ?
5949 ETH_MAX_AGGREGATION_QUEUES_E1 :
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005950 ETH_MAX_AGGREGATION_QUEUES_E1H);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005951 }
5952}
5953
5954static void bnx2x_free_skbs(struct bnx2x *bp)
5955{
5956 bnx2x_free_tx_skbs(bp);
5957 bnx2x_free_rx_skbs(bp);
5958}
5959
5960static void bnx2x_free_msix_irqs(struct bnx2x *bp)
5961{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005962 int i, offset = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005963
5964 free_irq(bp->msix_table[0].vector, bp->dev);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005965 DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005966 bp->msix_table[0].vector);
5967
5968 for_each_queue(bp, i) {
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005969 DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq "
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005970 "state %x\n", i, bp->msix_table[i + offset].vector,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005971 bnx2x_fp(bp, i, state));
5972
Eliezer Tamir228241e2008-02-28 11:56:57 -08005973 if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED)
5974 BNX2X_ERR("IRQ of fp #%d being freed while "
5975 "state != closed\n", i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005976
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005977 free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005978 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005979}
5980
5981static void bnx2x_free_irq(struct bnx2x *bp)
5982{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005983 if (bp->flags & USING_MSIX_FLAG) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005984 bnx2x_free_msix_irqs(bp);
5985 pci_disable_msix(bp->pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005986 bp->flags &= ~USING_MSIX_FLAG;
5987
5988 } else
5989 free_irq(bp->pdev->irq, bp->dev);
5990}
5991
5992static int bnx2x_enable_msix(struct bnx2x *bp)
5993{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005994 int i, rc, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005995
5996 bp->msix_table[0].entry = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005997 offset = 1;
5998 DP(NETIF_MSG_IFUP, "msix_table[0].entry = 0 (slowpath)\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005999
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006000 for_each_queue(bp, i) {
6001 int igu_vec = offset + i + BP_L_ID(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006002
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006003 bp->msix_table[i + offset].entry = igu_vec;
6004 DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d "
6005 "(fastpath #%u)\n", i + offset, igu_vec, i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006006 }
6007
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006008 rc = pci_enable_msix(bp->pdev, &bp->msix_table[0],
6009 bp->num_queues + offset);
6010 if (rc) {
6011 DP(NETIF_MSG_IFUP, "MSI-X is not attainable\n");
6012 return -1;
6013 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006014 bp->flags |= USING_MSIX_FLAG;
6015
6016 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006017}
6018
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006019static int bnx2x_req_msix_irqs(struct bnx2x *bp)
6020{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006021 int i, rc, offset = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006022
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006023 rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0,
6024 bp->dev->name, bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006025 if (rc) {
6026 BNX2X_ERR("request sp irq failed\n");
6027 return -EBUSY;
6028 }
6029
6030 for_each_queue(bp, i) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006031 rc = request_irq(bp->msix_table[i + offset].vector,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006032 bnx2x_msix_fp_int, 0,
6033 bp->dev->name, &bp->fp[i]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006034 if (rc) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07006035 BNX2X_ERR("request fp #%d irq failed rc -%d\n",
6036 i + offset, -rc);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006037 bnx2x_free_msix_irqs(bp);
6038 return -EBUSY;
6039 }
6040
6041 bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006042 }
6043
6044 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006045}
6046
6047static int bnx2x_req_irq(struct bnx2x *bp)
6048{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006049 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006050
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006051 rc = request_irq(bp->pdev->irq, bnx2x_interrupt, IRQF_SHARED,
6052 bp->dev->name, bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006053 if (!rc)
6054 bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ;
6055
6056 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006057}
6058
6059/*
6060 * Init service functions
6061 */
6062
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006063static void bnx2x_set_mac_addr_e1(struct bnx2x *bp, int set)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006064{
6065 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006066 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006067
6068 /* CAM allocation
6069 * unicasts 0-31:port0 32-63:port1
6070 * multicast 64-127:port0 128-191:port1
6071 */
6072 config->hdr.length_6b = 2;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006073 config->hdr.offset = port ? 31 : 0;
6074 config->hdr.client_id = BP_CL_ID(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006075 config->hdr.reserved1 = 0;
6076
6077 /* primary MAC */
6078 config->config_table[0].cam_entry.msb_mac_addr =
6079 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6080 config->config_table[0].cam_entry.middle_mac_addr =
6081 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6082 config->config_table[0].cam_entry.lsb_mac_addr =
6083 swab16(*(u16 *)&bp->dev->dev_addr[4]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006084 config->config_table[0].cam_entry.flags = cpu_to_le16(port);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006085 if (set)
6086 config->config_table[0].target_table_entry.flags = 0;
6087 else
6088 CAM_INVALIDATE(config->config_table[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006089 config->config_table[0].target_table_entry.client_id = 0;
6090 config->config_table[0].target_table_entry.vlan_id = 0;
6091
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006092 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)\n",
6093 (set ? "setting" : "clearing"),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006094 config->config_table[0].cam_entry.msb_mac_addr,
6095 config->config_table[0].cam_entry.middle_mac_addr,
6096 config->config_table[0].cam_entry.lsb_mac_addr);
6097
6098 /* broadcast */
6099 config->config_table[1].cam_entry.msb_mac_addr = 0xffff;
6100 config->config_table[1].cam_entry.middle_mac_addr = 0xffff;
6101 config->config_table[1].cam_entry.lsb_mac_addr = 0xffff;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006102 config->config_table[1].cam_entry.flags = cpu_to_le16(port);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006103 if (set)
6104 config->config_table[1].target_table_entry.flags =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006105 TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST;
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006106 else
6107 CAM_INVALIDATE(config->config_table[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006108 config->config_table[1].target_table_entry.client_id = 0;
6109 config->config_table[1].target_table_entry.vlan_id = 0;
6110
6111 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6112 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6113 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6114}
6115
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006116static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp, int set)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006117{
6118 struct mac_configuration_cmd_e1h *config =
6119 (struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config);
6120
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006121 if (set && (bp->state != BNX2X_STATE_OPEN)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006122 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
6123 return;
6124 }
6125
6126 /* CAM allocation for E1H
6127 * unicasts: by func number
6128 * multicast: 20+FUNC*20, 20 each
6129 */
6130 config->hdr.length_6b = 1;
6131 config->hdr.offset = BP_FUNC(bp);
6132 config->hdr.client_id = BP_CL_ID(bp);
6133 config->hdr.reserved1 = 0;
6134
6135 /* primary MAC */
6136 config->config_table[0].msb_mac_addr =
6137 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6138 config->config_table[0].middle_mac_addr =
6139 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6140 config->config_table[0].lsb_mac_addr =
6141 swab16(*(u16 *)&bp->dev->dev_addr[4]);
6142 config->config_table[0].client_id = BP_L_ID(bp);
6143 config->config_table[0].vlan_id = 0;
6144 config->config_table[0].e1hov_id = cpu_to_le16(bp->e1hov);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006145 if (set)
6146 config->config_table[0].flags = BP_PORT(bp);
6147 else
6148 config->config_table[0].flags =
6149 MAC_CONFIGURATION_ENTRY_E1H_ACTION_TYPE;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006150
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006151 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) E1HOV %d CLID %d\n",
6152 (set ? "setting" : "clearing"),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006153 config->config_table[0].msb_mac_addr,
6154 config->config_table[0].middle_mac_addr,
6155 config->config_table[0].lsb_mac_addr, bp->e1hov, BP_L_ID(bp));
6156
6157 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6158 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6159 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6160}
6161
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006162static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6163 int *state_p, int poll)
6164{
6165 /* can take a while if any port is running */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006166 int cnt = 500;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006167
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006168 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6169 poll ? "polling" : "waiting", state, idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006170
6171 might_sleep();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006172 while (cnt--) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006173 if (poll) {
6174 bnx2x_rx_int(bp->fp, 10);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006175 /* if index is different from 0
6176 * the reply for some commands will
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006177 * be on the non default queue
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006178 */
6179 if (idx)
6180 bnx2x_rx_int(&bp->fp[idx], 10);
6181 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006182
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006183 mb(); /* state is changed by bnx2x_sp_event() */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006184 if (*state_p == state)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006185 return 0;
6186
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006187 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006188 }
6189
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006190 /* timeout! */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006191 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6192 poll ? "polling" : "waiting", state, idx);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006193#ifdef BNX2X_STOP_ON_ERROR
6194 bnx2x_panic();
6195#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006196
Eliezer Tamir49d66772008-02-28 11:53:13 -08006197 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006198}
6199
6200static int bnx2x_setup_leading(struct bnx2x *bp)
6201{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006202 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006203
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006204 /* reset IGU state */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006205 bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006206
6207 /* SETUP ramrod */
6208 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0);
6209
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006210 /* Wait for completion */
6211 rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006212
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006213 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006214}
6215
6216static int bnx2x_setup_multi(struct bnx2x *bp, int index)
6217{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006218 /* reset IGU state */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006219 bnx2x_ack_sb(bp, bp->fp[index].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006220
Eliezer Tamir228241e2008-02-28 11:56:57 -08006221 /* SETUP ramrod */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006222 bp->fp[index].state = BNX2X_FP_STATE_OPENING;
6223 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0);
6224
6225 /* Wait for completion */
6226 return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index,
Eliezer Tamir228241e2008-02-28 11:56:57 -08006227 &(bp->fp[index].state), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006228}
6229
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006230static int bnx2x_poll(struct napi_struct *napi, int budget);
6231static void bnx2x_set_rx_mode(struct net_device *dev);
6232
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006233/* must be called with rtnl_lock */
6234static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006235{
Eliezer Tamir228241e2008-02-28 11:56:57 -08006236 u32 load_code;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006237 int i, rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006238#ifdef BNX2X_STOP_ON_ERROR
6239 if (unlikely(bp->panic))
6240 return -EPERM;
6241#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006242
6243 bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;
6244
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006245 /* Send LOAD_REQUEST command to MCP
6246 Returns the type of LOAD command:
6247 if it is the first port to be initialized
6248 common blocks should be initialized, otherwise - not
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006249 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006250 if (!BP_NOMCP(bp)) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08006251 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ);
6252 if (!load_code) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006253 BNX2X_ERR("MCP response failure, aborting\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08006254 return -EBUSY;
6255 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006256 if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006257 return -EBUSY; /* other port in diagnostic mode */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006258
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006259 } else {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006260 int port = BP_PORT(bp);
6261
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006262 DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n",
6263 load_count[0], load_count[1], load_count[2]);
6264 load_count[0]++;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006265 load_count[1 + port]++;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006266 DP(NETIF_MSG_IFUP, "NO MCP new load counts %d, %d, %d\n",
6267 load_count[0], load_count[1], load_count[2]);
6268 if (load_count[0] == 1)
6269 load_code = FW_MSG_CODE_DRV_LOAD_COMMON;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006270 else if (load_count[1 + port] == 1)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006271 load_code = FW_MSG_CODE_DRV_LOAD_PORT;
6272 else
6273 load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006274 }
6275
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006276 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) ||
6277 (load_code == FW_MSG_CODE_DRV_LOAD_PORT))
6278 bp->port.pmf = 1;
6279 else
6280 bp->port.pmf = 0;
6281 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
6282
6283 /* if we can't use MSI-X we only need one fp,
6284 * so try to enable MSI-X with the requested number of fp's
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006285 * and fallback to inta with one fp
6286 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006287 if (use_inta) {
6288 bp->num_queues = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006289
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006290 } else {
6291 if ((use_multi > 1) && (use_multi <= BP_MAX_QUEUES(bp)))
6292 /* user requested number */
6293 bp->num_queues = use_multi;
6294
6295 else if (use_multi)
6296 bp->num_queues = min_t(u32, num_online_cpus(),
6297 BP_MAX_QUEUES(bp));
6298 else
6299 bp->num_queues = 1;
6300
6301 if (bnx2x_enable_msix(bp)) {
6302 /* failed to enable MSI-X */
6303 bp->num_queues = 1;
6304 if (use_multi)
6305 BNX2X_ERR("Multi requested but failed"
6306 " to enable MSI-X\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006307 }
6308 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006309 DP(NETIF_MSG_IFUP,
6310 "set number of queues to %d\n", bp->num_queues);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006311
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006312 if (bnx2x_alloc_mem(bp))
6313 return -ENOMEM;
6314
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006315 for_each_queue(bp, i)
6316 bnx2x_fp(bp, i, disable_tpa) =
6317 ((bp->flags & TPA_ENABLE_FLAG) == 0);
6318
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006319 if (bp->flags & USING_MSIX_FLAG) {
6320 rc = bnx2x_req_msix_irqs(bp);
6321 if (rc) {
6322 pci_disable_msix(bp->pdev);
6323 goto load_error;
6324 }
6325 } else {
6326 bnx2x_ack_int(bp);
6327 rc = bnx2x_req_irq(bp);
6328 if (rc) {
6329 BNX2X_ERR("IRQ request failed, aborting\n");
6330 goto load_error;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006331 }
6332 }
6333
6334 for_each_queue(bp, i)
6335 netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
6336 bnx2x_poll, 128);
6337
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006338 /* Initialize HW */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006339 rc = bnx2x_init_hw(bp, load_code);
6340 if (rc) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006341 BNX2X_ERR("HW init failed, aborting\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08006342 goto load_error;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006343 }
6344
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006345 /* Setup NIC internals and enable interrupts */
Eilon Greenstein471de712008-08-13 15:49:35 -07006346 bnx2x_nic_init(bp, load_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006347
6348 /* Send LOAD_DONE command to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006349 if (!BP_NOMCP(bp)) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08006350 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE);
6351 if (!load_code) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006352 BNX2X_ERR("MCP response failure, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006353 rc = -EBUSY;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006354 goto load_int_disable;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006355 }
6356 }
6357
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07006358 bnx2x_stats_init(bp);
6359
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006360 bp->state = BNX2X_STATE_OPENING_WAIT4_PORT;
6361
6362 /* Enable Rx interrupt handling before sending the ramrod
6363 as it's completed on Rx FP queue */
6364 for_each_queue(bp, i)
6365 napi_enable(&bnx2x_fp(bp, i, napi));
6366
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006367 /* Enable interrupt handling */
6368 atomic_set(&bp->intr_sem, 0);
6369
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006370 rc = bnx2x_setup_leading(bp);
6371 if (rc) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006372 BNX2X_ERR("Setup leading failed!\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08006373 goto load_stop_netif;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006374 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006375
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006376 if (CHIP_IS_E1H(bp))
6377 if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) {
6378 BNX2X_ERR("!!! mf_cfg function disabled\n");
6379 bp->state = BNX2X_STATE_DISABLED;
6380 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006381
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006382 if (bp->state == BNX2X_STATE_OPEN)
6383 for_each_nondefault_queue(bp, i) {
6384 rc = bnx2x_setup_multi(bp, i);
6385 if (rc)
6386 goto load_stop_netif;
6387 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006388
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006389 if (CHIP_IS_E1(bp))
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006390 bnx2x_set_mac_addr_e1(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006391 else
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006392 bnx2x_set_mac_addr_e1h(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006393
6394 if (bp->port.pmf)
6395 bnx2x_initial_phy_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006396
6397 /* Start fast path */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006398 switch (load_mode) {
6399 case LOAD_NORMAL:
6400 /* Tx queue should be only reenabled */
6401 netif_wake_queue(bp->dev);
6402 bnx2x_set_rx_mode(bp->dev);
6403 break;
6404
6405 case LOAD_OPEN:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006406 netif_start_queue(bp->dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006407 bnx2x_set_rx_mode(bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006408 if (bp->flags & USING_MSIX_FLAG)
6409 printk(KERN_INFO PFX "%s: using MSI-X\n",
6410 bp->dev->name);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006411 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006412
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006413 case LOAD_DIAG:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006414 bnx2x_set_rx_mode(bp->dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006415 bp->state = BNX2X_STATE_DIAG;
6416 break;
6417
6418 default:
6419 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006420 }
6421
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006422 if (!bp->port.pmf)
6423 bnx2x__link_status_update(bp);
6424
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006425 /* start the timer */
6426 mod_timer(&bp->timer, jiffies + bp->current_interval);
6427
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006428
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006429 return 0;
6430
Eliezer Tamir228241e2008-02-28 11:56:57 -08006431load_stop_netif:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006432 for_each_queue(bp, i)
6433 napi_disable(&bnx2x_fp(bp, i, napi));
6434
Eliezer Tamir228241e2008-02-28 11:56:57 -08006435load_int_disable:
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08006436 bnx2x_int_disable_sync(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006437
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006438 /* Release IRQs */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006439 bnx2x_free_irq(bp);
6440
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006441 /* Free SKBs, SGEs, TPA pool and driver internals */
6442 bnx2x_free_skbs(bp);
6443 for_each_queue(bp, i)
Eilon Greenstein3196a882008-08-13 15:58:49 -07006444 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Eliezer Tamir228241e2008-02-28 11:56:57 -08006445load_error:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006446 bnx2x_free_mem(bp);
6447
6448 /* TBD we really need to reset the chip
6449 if we want to recover from this */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006450 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006451}
6452
6453static int bnx2x_stop_multi(struct bnx2x *bp, int index)
6454{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006455 int rc;
6456
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006457 /* halt the connection */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006458 bp->fp[index].state = BNX2X_FP_STATE_HALTING;
6459 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, 0, 0);
6460
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006461 /* Wait for completion */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006462 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006463 &(bp->fp[index].state), 1);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006464 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006465 return rc;
6466
6467 /* delete cfc entry */
6468 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1);
6469
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006470 /* Wait for completion */
6471 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index,
6472 &(bp->fp[index].state), 1);
6473 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006474}
6475
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006476static int bnx2x_stop_leading(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006477{
Eliezer Tamir49d66772008-02-28 11:53:13 -08006478 u16 dsb_sp_prod_idx;
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006479 /* if the other port is handling traffic,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006480 this can take a lot of time */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006481 int cnt = 500;
6482 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006483
6484 might_sleep();
6485
6486 /* Send HALT ramrod */
6487 bp->fp[0].state = BNX2X_FP_STATE_HALTING;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006488 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, BP_CL_ID(bp), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006489
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006490 /* Wait for completion */
6491 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0,
6492 &(bp->fp[0].state), 1);
6493 if (rc) /* timeout */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006494 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006495
Eliezer Tamir49d66772008-02-28 11:53:13 -08006496 dsb_sp_prod_idx = *bp->dsb_sp_prod;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006497
Eliezer Tamir228241e2008-02-28 11:56:57 -08006498 /* Send PORT_DELETE ramrod */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006499 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1);
6500
Eliezer Tamir49d66772008-02-28 11:53:13 -08006501 /* Wait for completion to arrive on default status block
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006502 we are going to reset the chip anyway
6503 so there is not much to do if this times out
6504 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006505 while (dsb_sp_prod_idx == *bp->dsb_sp_prod) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006506 if (!cnt) {
6507 DP(NETIF_MSG_IFDOWN, "timeout waiting for port del "
6508 "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n",
6509 *bp->dsb_sp_prod, dsb_sp_prod_idx);
6510#ifdef BNX2X_STOP_ON_ERROR
6511 bnx2x_panic();
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006512#else
6513 rc = -EBUSY;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006514#endif
6515 break;
6516 }
6517 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006518 msleep(1);
Eliezer Tamir49d66772008-02-28 11:53:13 -08006519 }
6520 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
6521 bp->fp[0].state = BNX2X_FP_STATE_CLOSED;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006522
6523 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006524}
6525
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006526static void bnx2x_reset_func(struct bnx2x *bp)
6527{
6528 int port = BP_PORT(bp);
6529 int func = BP_FUNC(bp);
6530 int base, i;
Eliezer Tamir49d66772008-02-28 11:53:13 -08006531
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006532 /* Configure IGU */
6533 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6534 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6535
6536 REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000);
6537
6538 /* Clear ILT */
6539 base = FUNC_ILT_BASE(func);
6540 for (i = base; i < base + ILT_PER_FUNC; i++)
6541 bnx2x_ilt_wr(bp, i, 0);
6542}
6543
6544static void bnx2x_reset_port(struct bnx2x *bp)
6545{
6546 int port = BP_PORT(bp);
6547 u32 val;
6548
6549 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6550
6551 /* Do not rcv packets to BRB */
6552 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6553 /* Do not direct rcv packets that are not for MCP to the BRB */
6554 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6555 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6556
6557 /* Configure AEU */
6558 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6559
6560 msleep(100);
6561 /* Check for BRB port occupancy */
6562 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6563 if (val)
6564 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07006565 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006566
6567 /* TODO: Close Doorbell port? */
6568}
6569
6570static void bnx2x_reset_common(struct bnx2x *bp)
6571{
6572 /* reset_common */
6573 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6574 0xd3ffff7f);
6575 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
6576}
6577
6578static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6579{
6580 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
6581 BP_FUNC(bp), reset_code);
6582
6583 switch (reset_code) {
6584 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
6585 bnx2x_reset_port(bp);
6586 bnx2x_reset_func(bp);
6587 bnx2x_reset_common(bp);
6588 break;
6589
6590 case FW_MSG_CODE_DRV_UNLOAD_PORT:
6591 bnx2x_reset_port(bp);
6592 bnx2x_reset_func(bp);
6593 break;
6594
6595 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
6596 bnx2x_reset_func(bp);
6597 break;
6598
6599 default:
6600 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
6601 break;
6602 }
6603}
6604
Eilon Greenstein33471622008-08-13 15:59:08 -07006605/* must be called with rtnl_lock */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006606static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006607{
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006608 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006609 u32 reset_code = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006610 int i, cnt, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006611
6612 bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;
6613
Eliezer Tamir228241e2008-02-28 11:56:57 -08006614 bp->rx_mode = BNX2X_RX_MODE_NONE;
6615 bnx2x_set_storm_rx_mode(bp);
6616
6617 if (netif_running(bp->dev)) {
6618 netif_tx_disable(bp->dev);
6619 bp->dev->trans_start = jiffies; /* prevent tx timeout */
6620 }
6621
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006622 del_timer_sync(&bp->timer);
6623 SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb,
6624 (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq));
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07006625 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006626
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006627 /* Wait until tx fast path tasks complete */
Eliezer Tamir228241e2008-02-28 11:56:57 -08006628 for_each_queue(bp, i) {
6629 struct bnx2x_fastpath *fp = &bp->fp[i];
6630
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006631 cnt = 1000;
6632 smp_rmb();
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006633 while (BNX2X_HAS_TX_WORK(fp)) {
6634
6635 if (!netif_running(bp->dev))
6636 bnx2x_tx_int(fp, 1000);
6637
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006638 if (!cnt) {
6639 BNX2X_ERR("timeout waiting for queue[%d]\n",
6640 i);
6641#ifdef BNX2X_STOP_ON_ERROR
6642 bnx2x_panic();
6643 return -EBUSY;
6644#else
6645 break;
6646#endif
6647 }
6648 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006649 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006650 smp_rmb();
6651 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08006652 }
6653
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006654 /* Give HW time to discard old tx messages */
6655 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006656
Eliezer Tamir228241e2008-02-28 11:56:57 -08006657 for_each_queue(bp, i)
6658 napi_disable(&bnx2x_fp(bp, i, napi));
6659 /* Disable interrupts after Tx and Rx are disabled on stack level */
6660 bnx2x_int_disable_sync(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006661
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006662 /* Release IRQs */
6663 bnx2x_free_irq(bp);
6664
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006665 if (unload_mode == UNLOAD_NORMAL)
6666 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006667
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006668 else if (bp->flags & NO_WOL_FLAG) {
6669 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
6670 if (CHIP_IS_E1H(bp))
6671 REG_WR(bp, MISC_REG_E1HMF_MODE, 0);
6672
6673 } else if (bp->wol) {
6674 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006675 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006676 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006677 /* The mac address is written to entries 1-4 to
6678 preserve entry 0 which is used by the PMF */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006679 u8 entry = (BP_E1HVN(bp) + 1)*8;
6680
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006681 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07006682 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006683
6684 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
6685 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07006686 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006687
6688 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006689
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006690 } else
6691 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6692
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006693 if (CHIP_IS_E1(bp)) {
6694 struct mac_configuration_cmd *config =
6695 bnx2x_sp(bp, mcast_config);
6696
6697 bnx2x_set_mac_addr_e1(bp, 0);
6698
6699 for (i = 0; i < config->hdr.length_6b; i++)
6700 CAM_INVALIDATE(config->config_table[i]);
6701
6702 config->hdr.length_6b = i;
6703 if (CHIP_REV_IS_SLOW(bp))
6704 config->hdr.offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
6705 else
6706 config->hdr.offset = BNX2X_MAX_MULTICAST*(1 + port);
6707 config->hdr.client_id = BP_CL_ID(bp);
6708 config->hdr.reserved1 = 0;
6709
6710 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6711 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
6712 U64_LO(bnx2x_sp_mapping(bp, mcast_config)), 0);
6713
6714 } else { /* E1H */
6715 bnx2x_set_mac_addr_e1h(bp, 0);
6716
6717 for (i = 0; i < MC_HASH_SIZE; i++)
6718 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
6719 }
6720
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006721 if (CHIP_IS_E1H(bp))
6722 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
6723
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006724 /* Close multi and leading connections
6725 Completions for ramrods are collected in a synchronous way */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006726 for_each_nondefault_queue(bp, i)
6727 if (bnx2x_stop_multi(bp, i))
Eliezer Tamir228241e2008-02-28 11:56:57 -08006728 goto unload_error;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006729
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006730 rc = bnx2x_stop_leading(bp);
6731 if (rc) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006732 BNX2X_ERR("Stop leading failed!\n");
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006733#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006734 return -EBUSY;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006735#else
6736 goto unload_error;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006737#endif
Eliezer Tamir228241e2008-02-28 11:56:57 -08006738 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006739
Eliezer Tamir228241e2008-02-28 11:56:57 -08006740unload_error:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006741 if (!BP_NOMCP(bp))
Eliezer Tamir228241e2008-02-28 11:56:57 -08006742 reset_code = bnx2x_fw_command(bp, reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006743 else {
6744 DP(NETIF_MSG_IFDOWN, "NO MCP load counts %d, %d, %d\n",
6745 load_count[0], load_count[1], load_count[2]);
6746 load_count[0]--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006747 load_count[1 + port]--;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006748 DP(NETIF_MSG_IFDOWN, "NO MCP new load counts %d, %d, %d\n",
6749 load_count[0], load_count[1], load_count[2]);
6750 if (load_count[0] == 0)
6751 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006752 else if (load_count[1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006753 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
6754 else
6755 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
6756 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006757
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006758 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
6759 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
6760 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006761
6762 /* Reset the chip */
Eliezer Tamir228241e2008-02-28 11:56:57 -08006763 bnx2x_reset_chip(bp, reset_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006764
6765 /* Report UNLOAD_DONE to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006766 if (!BP_NOMCP(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006767 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6768
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006769 /* Free SKBs, SGEs, TPA pool and driver internals */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006770 bnx2x_free_skbs(bp);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006771 for_each_queue(bp, i)
Eilon Greenstein3196a882008-08-13 15:58:49 -07006772 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006773 bnx2x_free_mem(bp);
6774
6775 bp->state = BNX2X_STATE_CLOSED;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006776
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006777 netif_carrier_off(bp->dev);
6778
6779 return 0;
6780}
6781
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006782static void bnx2x_reset_task(struct work_struct *work)
6783{
6784 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task);
6785
6786#ifdef BNX2X_STOP_ON_ERROR
6787 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
6788 " so reset not done to allow debug dump,\n"
6789 KERN_ERR " you will need to reboot when done\n");
6790 return;
6791#endif
6792
6793 rtnl_lock();
6794
6795 if (!netif_running(bp->dev))
6796 goto reset_task_exit;
6797
6798 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
6799 bnx2x_nic_load(bp, LOAD_NORMAL);
6800
6801reset_task_exit:
6802 rtnl_unlock();
6803}
6804
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006805/* end of nic load/unload */
6806
6807/* ethtool_ops */
6808
6809/*
6810 * Init service functions
6811 */
6812
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006813static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006814{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006815 u32 val;
6816
6817 /* Check if there is any driver already loaded */
6818 val = REG_RD(bp, MISC_REG_UNPREPARED);
6819 if (val == 0x1) {
6820 /* Check if it is the UNDI driver
6821 * UNDI driver initializes CID offset for normal bell to 0x7
6822 */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07006823 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006824 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
6825 if (val == 0x7) {
6826 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006827 /* save our func */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006828 int func = BP_FUNC(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006829 u32 swap_en;
6830 u32 swap_val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006831
6832 BNX2X_DEV_INFO("UNDI is active! reset device\n");
6833
6834 /* try unload UNDI on port 0 */
6835 bp->func = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006836 bp->fw_seq =
6837 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6838 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006839 reset_code = bnx2x_fw_command(bp, reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006840
6841 /* if UNDI is loaded on the other port */
6842 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
6843
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006844 /* send "DONE" for previous unload */
6845 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6846
6847 /* unload UNDI on port 1 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006848 bp->func = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006849 bp->fw_seq =
6850 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6851 DRV_MSG_SEQ_NUMBER_MASK);
6852 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006853
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006854 bnx2x_fw_command(bp, reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006855 }
6856
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006857 REG_WR(bp, (BP_PORT(bp) ? HC_REG_CONFIG_1 :
6858 HC_REG_CONFIG_0), 0x1000);
6859
6860 /* close input traffic and wait for it */
6861 /* Do not rcv packets to BRB */
6862 REG_WR(bp,
6863 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
6864 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
6865 /* Do not direct rcv packets that are not for MCP to
6866 * the BRB */
6867 REG_WR(bp,
6868 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
6869 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6870 /* clear AEU */
6871 REG_WR(bp,
6872 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
6873 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
6874 msleep(10);
6875
6876 /* save NIG port swap info */
6877 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
6878 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006879 /* reset device */
6880 REG_WR(bp,
6881 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006882 0xd3ffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006883 REG_WR(bp,
6884 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
6885 0x1403);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006886 /* take the NIG out of reset and restore swap values */
6887 REG_WR(bp,
6888 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6889 MISC_REGISTERS_RESET_REG_1_RST_NIG);
6890 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
6891 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
6892
6893 /* send unload done to the MCP */
6894 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6895
6896 /* restore our func and fw_seq */
6897 bp->func = func;
6898 bp->fw_seq =
6899 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6900 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006901 }
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07006902 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006903 }
6904}
6905
6906static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
6907{
6908 u32 val, val2, val3, val4, id;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07006909 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006910
6911 /* Get the chip revision id and number. */
6912 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
6913 val = REG_RD(bp, MISC_REG_CHIP_NUM);
6914 id = ((val & 0xffff) << 16);
6915 val = REG_RD(bp, MISC_REG_CHIP_REV);
6916 id |= ((val & 0xf) << 12);
6917 val = REG_RD(bp, MISC_REG_CHIP_METAL);
6918 id |= ((val & 0xff) << 4);
6919 REG_RD(bp, MISC_REG_BOND_ID);
6920 id |= (val & 0xf);
6921 bp->common.chip_id = id;
6922 bp->link_params.chip_id = bp->common.chip_id;
6923 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
6924
6925 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
6926 bp->common.flash_size = (NVRAM_1MB_SIZE <<
6927 (val & MCPR_NVM_CFG4_FLASH_SIZE));
6928 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
6929 bp->common.flash_size, bp->common.flash_size);
6930
6931 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
6932 bp->link_params.shmem_base = bp->common.shmem_base;
6933 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
6934
6935 if (!bp->common.shmem_base ||
6936 (bp->common.shmem_base < 0xA0000) ||
6937 (bp->common.shmem_base >= 0xC0000)) {
6938 BNX2X_DEV_INFO("MCP not active\n");
6939 bp->flags |= NO_MCP_FLAG;
6940 return;
6941 }
6942
6943 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
6944 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6945 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6946 BNX2X_ERR("BAD MCP validity signature\n");
6947
6948 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
6949 bp->common.board = SHMEM_RD(bp, dev_info.shared_hw_config.board);
6950
6951 BNX2X_DEV_INFO("hw_config 0x%08x board 0x%08x\n",
6952 bp->common.hw_config, bp->common.board);
6953
6954 bp->link_params.hw_led_mode = ((bp->common.hw_config &
6955 SHARED_HW_CFG_LED_MODE_MASK) >>
6956 SHARED_HW_CFG_LED_MODE_SHIFT);
6957
6958 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
6959 bp->common.bc_ver = val;
6960 BNX2X_DEV_INFO("bc_ver %X\n", val);
6961 if (val < BNX2X_BC_VER) {
6962 /* for now only warn
6963 * later we might need to enforce this */
6964 BNX2X_ERR("This driver needs bc_ver %X but found %X,"
6965 " please upgrade BC\n", BNX2X_BC_VER, val);
6966 }
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07006967
6968 if (BP_E1HVN(bp) == 0) {
6969 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
6970 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
6971 } else {
6972 /* no WOL capability for E1HVN != 0 */
6973 bp->flags |= NO_WOL_FLAG;
6974 }
6975 BNX2X_DEV_INFO("%sWoL capable\n",
6976 (bp->flags & NO_WOL_FLAG) ? "Not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006977
6978 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
6979 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
6980 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
6981 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
6982
6983 printk(KERN_INFO PFX "part number %X-%X-%X-%X\n",
6984 val, val2, val3, val4);
6985}
6986
6987static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
6988 u32 switch_cfg)
6989{
6990 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006991 u32 ext_phy_type;
6992
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006993 switch (switch_cfg) {
6994 case SWITCH_CFG_1G:
6995 BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg);
6996
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07006997 ext_phy_type =
6998 SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006999 switch (ext_phy_type) {
7000 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
7001 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7002 ext_phy_type);
7003
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007004 bp->port.supported |= (SUPPORTED_10baseT_Half |
7005 SUPPORTED_10baseT_Full |
7006 SUPPORTED_100baseT_Half |
7007 SUPPORTED_100baseT_Full |
7008 SUPPORTED_1000baseT_Full |
7009 SUPPORTED_2500baseX_Full |
7010 SUPPORTED_TP |
7011 SUPPORTED_FIBRE |
7012 SUPPORTED_Autoneg |
7013 SUPPORTED_Pause |
7014 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007015 break;
7016
7017 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
7018 BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n",
7019 ext_phy_type);
7020
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007021 bp->port.supported |= (SUPPORTED_10baseT_Half |
7022 SUPPORTED_10baseT_Full |
7023 SUPPORTED_100baseT_Half |
7024 SUPPORTED_100baseT_Full |
7025 SUPPORTED_1000baseT_Full |
7026 SUPPORTED_TP |
7027 SUPPORTED_FIBRE |
7028 SUPPORTED_Autoneg |
7029 SUPPORTED_Pause |
7030 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007031 break;
7032
7033 default:
7034 BNX2X_ERR("NVRAM config error. "
7035 "BAD SerDes ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007036 bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007037 return;
7038 }
7039
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007040 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
7041 port*0x10);
7042 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007043 break;
7044
7045 case SWITCH_CFG_10G:
7046 BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg);
7047
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007048 ext_phy_type =
7049 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007050 switch (ext_phy_type) {
7051 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7052 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7053 ext_phy_type);
7054
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007055 bp->port.supported |= (SUPPORTED_10baseT_Half |
7056 SUPPORTED_10baseT_Full |
7057 SUPPORTED_100baseT_Half |
7058 SUPPORTED_100baseT_Full |
7059 SUPPORTED_1000baseT_Full |
7060 SUPPORTED_2500baseX_Full |
7061 SUPPORTED_10000baseT_Full |
7062 SUPPORTED_TP |
7063 SUPPORTED_FIBRE |
7064 SUPPORTED_Autoneg |
7065 SUPPORTED_Pause |
7066 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007067 break;
7068
7069 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007070 BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007071 ext_phy_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007072
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007073 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7074 SUPPORTED_FIBRE |
7075 SUPPORTED_Pause |
7076 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007077 break;
7078
Eliezer Tamirf1410642008-02-28 11:51:50 -08007079 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7080 BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n",
7081 ext_phy_type);
7082
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007083 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7084 SUPPORTED_1000baseT_Full |
7085 SUPPORTED_FIBRE |
7086 SUPPORTED_Pause |
7087 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007088 break;
7089
7090 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
7091 BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n",
7092 ext_phy_type);
7093
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007094 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7095 SUPPORTED_1000baseT_Full |
7096 SUPPORTED_FIBRE |
7097 SUPPORTED_Autoneg |
7098 SUPPORTED_Pause |
7099 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007100 break;
7101
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007102 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
7103 BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n",
7104 ext_phy_type);
7105
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007106 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7107 SUPPORTED_2500baseX_Full |
7108 SUPPORTED_1000baseT_Full |
7109 SUPPORTED_FIBRE |
7110 SUPPORTED_Autoneg |
7111 SUPPORTED_Pause |
7112 SUPPORTED_Asym_Pause);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007113 break;
7114
Eliezer Tamirf1410642008-02-28 11:51:50 -08007115 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7116 BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n",
7117 ext_phy_type);
7118
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007119 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7120 SUPPORTED_TP |
7121 SUPPORTED_Autoneg |
7122 SUPPORTED_Pause |
7123 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007124 break;
7125
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007126 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7127 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7128 bp->link_params.ext_phy_config);
7129 break;
7130
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007131 default:
7132 BNX2X_ERR("NVRAM config error. "
7133 "BAD XGXS ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007134 bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007135 return;
7136 }
7137
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007138 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
7139 port*0x18);
7140 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007141
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007142 break;
7143
7144 default:
7145 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007146 bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007147 return;
7148 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007149 bp->link_params.phy_addr = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007150
7151 /* mask what we support according to speed_cap_mask */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007152 if (!(bp->link_params.speed_cap_mask &
7153 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007154 bp->port.supported &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007155
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007156 if (!(bp->link_params.speed_cap_mask &
7157 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007158 bp->port.supported &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007159
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007160 if (!(bp->link_params.speed_cap_mask &
7161 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007162 bp->port.supported &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007163
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007164 if (!(bp->link_params.speed_cap_mask &
7165 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007166 bp->port.supported &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007167
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007168 if (!(bp->link_params.speed_cap_mask &
7169 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007170 bp->port.supported &= ~(SUPPORTED_1000baseT_Half |
7171 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007172
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007173 if (!(bp->link_params.speed_cap_mask &
7174 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007175 bp->port.supported &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007176
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007177 if (!(bp->link_params.speed_cap_mask &
7178 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007179 bp->port.supported &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007180
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007181 BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007182}
7183
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007184static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007185{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007186 bp->link_params.req_duplex = DUPLEX_FULL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007187
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007188 switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007189 case PORT_FEATURE_LINK_SPEED_AUTO:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007190 if (bp->port.supported & SUPPORTED_Autoneg) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007191 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007192 bp->port.advertising = bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007193 } else {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007194 u32 ext_phy_type =
7195 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7196
7197 if ((ext_phy_type ==
7198 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
7199 (ext_phy_type ==
7200 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007201 /* force 10G, no AN */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007202 bp->link_params.req_line_speed = SPEED_10000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007203 bp->port.advertising =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007204 (ADVERTISED_10000baseT_Full |
7205 ADVERTISED_FIBRE);
7206 break;
7207 }
7208 BNX2X_ERR("NVRAM config error. "
7209 "Invalid link_config 0x%x"
7210 " Autoneg not supported\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007211 bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007212 return;
7213 }
7214 break;
7215
7216 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007217 if (bp->port.supported & SUPPORTED_10baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007218 bp->link_params.req_line_speed = SPEED_10;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007219 bp->port.advertising = (ADVERTISED_10baseT_Full |
7220 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007221 } else {
7222 BNX2X_ERR("NVRAM config error. "
7223 "Invalid link_config 0x%x"
7224 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007225 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007226 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007227 return;
7228 }
7229 break;
7230
7231 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007232 if (bp->port.supported & SUPPORTED_10baseT_Half) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007233 bp->link_params.req_line_speed = SPEED_10;
7234 bp->link_params.req_duplex = DUPLEX_HALF;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007235 bp->port.advertising = (ADVERTISED_10baseT_Half |
7236 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007237 } else {
7238 BNX2X_ERR("NVRAM config error. "
7239 "Invalid link_config 0x%x"
7240 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007241 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007242 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007243 return;
7244 }
7245 break;
7246
7247 case PORT_FEATURE_LINK_SPEED_100M_FULL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007248 if (bp->port.supported & SUPPORTED_100baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007249 bp->link_params.req_line_speed = SPEED_100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007250 bp->port.advertising = (ADVERTISED_100baseT_Full |
7251 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007252 } else {
7253 BNX2X_ERR("NVRAM config error. "
7254 "Invalid link_config 0x%x"
7255 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007256 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007257 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007258 return;
7259 }
7260 break;
7261
7262 case PORT_FEATURE_LINK_SPEED_100M_HALF:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007263 if (bp->port.supported & SUPPORTED_100baseT_Half) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007264 bp->link_params.req_line_speed = SPEED_100;
7265 bp->link_params.req_duplex = DUPLEX_HALF;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007266 bp->port.advertising = (ADVERTISED_100baseT_Half |
7267 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007268 } else {
7269 BNX2X_ERR("NVRAM config error. "
7270 "Invalid link_config 0x%x"
7271 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007272 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007273 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007274 return;
7275 }
7276 break;
7277
7278 case PORT_FEATURE_LINK_SPEED_1G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007279 if (bp->port.supported & SUPPORTED_1000baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007280 bp->link_params.req_line_speed = SPEED_1000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007281 bp->port.advertising = (ADVERTISED_1000baseT_Full |
7282 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007283 } else {
7284 BNX2X_ERR("NVRAM config error. "
7285 "Invalid link_config 0x%x"
7286 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007287 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007288 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007289 return;
7290 }
7291 break;
7292
7293 case PORT_FEATURE_LINK_SPEED_2_5G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007294 if (bp->port.supported & SUPPORTED_2500baseX_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007295 bp->link_params.req_line_speed = SPEED_2500;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007296 bp->port.advertising = (ADVERTISED_2500baseX_Full |
7297 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007298 } else {
7299 BNX2X_ERR("NVRAM config error. "
7300 "Invalid link_config 0x%x"
7301 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007302 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007303 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007304 return;
7305 }
7306 break;
7307
7308 case PORT_FEATURE_LINK_SPEED_10G_CX4:
7309 case PORT_FEATURE_LINK_SPEED_10G_KX4:
7310 case PORT_FEATURE_LINK_SPEED_10G_KR:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007311 if (bp->port.supported & SUPPORTED_10000baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007312 bp->link_params.req_line_speed = SPEED_10000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007313 bp->port.advertising = (ADVERTISED_10000baseT_Full |
7314 ADVERTISED_FIBRE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007315 } else {
7316 BNX2X_ERR("NVRAM config error. "
7317 "Invalid link_config 0x%x"
7318 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007319 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007320 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007321 return;
7322 }
7323 break;
7324
7325 default:
7326 BNX2X_ERR("NVRAM config error. "
7327 "BAD link speed link_config 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007328 bp->port.link_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007329 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007330 bp->port.advertising = bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007331 break;
7332 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007333
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007334 bp->link_params.req_flow_ctrl = (bp->port.link_config &
7335 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007336 if ((bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
Randy Dunlap4ab84d42008-08-07 20:33:19 -07007337 !(bp->port.supported & SUPPORTED_Autoneg))
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007338 bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007339
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007340 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl 0x%x"
Eliezer Tamirf1410642008-02-28 11:51:50 -08007341 " advertising 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007342 bp->link_params.req_line_speed,
7343 bp->link_params.req_duplex,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007344 bp->link_params.req_flow_ctrl, bp->port.advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007345}
7346
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007347static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007348{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007349 int port = BP_PORT(bp);
7350 u32 val, val2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007351
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007352 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007353 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007354
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007355 bp->link_params.serdes_config =
Eliezer Tamirf1410642008-02-28 11:51:50 -08007356 SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007357 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007358 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007359 bp->link_params.ext_phy_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007360 SHMEM_RD(bp,
7361 dev_info.port_hw_config[port].external_phy_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007362 bp->link_params.speed_cap_mask =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007363 SHMEM_RD(bp,
7364 dev_info.port_hw_config[port].speed_capability_mask);
7365
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007366 bp->port.link_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007367 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
7368
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007369 BNX2X_DEV_INFO("serdes_config 0x%08x lane_config 0x%08x\n"
7370 KERN_INFO " ext_phy_config 0x%08x speed_cap_mask 0x%08x"
7371 " link_config 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007372 bp->link_params.serdes_config,
7373 bp->link_params.lane_config,
7374 bp->link_params.ext_phy_config,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007375 bp->link_params.speed_cap_mask, bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007376
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007377 bp->link_params.switch_cfg = (bp->port.link_config &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007378 PORT_FEATURE_CONNECTED_SWITCH_MASK);
7379 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007380
7381 bnx2x_link_settings_requested(bp);
7382
7383 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
7384 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
7385 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7386 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7387 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7388 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7389 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7390 bp->dev->dev_addr[5] = (u8)(val & 0xff);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007391 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
7392 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007393}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007394
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007395static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
7396{
7397 int func = BP_FUNC(bp);
7398 u32 val, val2;
7399 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007400
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007401 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007402
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007403 bp->e1hov = 0;
7404 bp->e1hmf = 0;
7405 if (CHIP_IS_E1H(bp)) {
7406 bp->mf_config =
7407 SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007408
Eilon Greenstein3196a882008-08-13 15:58:49 -07007409 val = (SHMEM_RD(bp, mf_cfg.func_mf_config[func].e1hov_tag) &
7410 FUNC_MF_CFG_E1HOV_TAG_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007411 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007412
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007413 bp->e1hov = val;
7414 bp->e1hmf = 1;
7415 BNX2X_DEV_INFO("MF mode E1HOV for func %d is %d "
7416 "(0x%04x)\n",
7417 func, bp->e1hov, bp->e1hov);
7418 } else {
7419 BNX2X_DEV_INFO("Single function mode\n");
7420 if (BP_E1HVN(bp)) {
7421 BNX2X_ERR("!!! No valid E1HOV for func %d,"
7422 " aborting\n", func);
7423 rc = -EPERM;
7424 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007425 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007426 }
7427
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007428 if (!BP_NOMCP(bp)) {
7429 bnx2x_get_port_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007430
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007431 bp->fw_seq = (SHMEM_RD(bp, func_mb[func].drv_mb_header) &
7432 DRV_MSG_SEQ_NUMBER_MASK);
7433 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
7434 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007435
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007436 if (IS_E1HMF(bp)) {
7437 val2 = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_upper);
7438 val = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_lower);
7439 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
7440 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) {
7441 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7442 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7443 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7444 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7445 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7446 bp->dev->dev_addr[5] = (u8)(val & 0xff);
7447 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr,
7448 ETH_ALEN);
7449 memcpy(bp->dev->perm_addr, bp->dev->dev_addr,
7450 ETH_ALEN);
7451 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007452
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007453 return rc;
7454 }
7455
7456 if (BP_NOMCP(bp)) {
7457 /* only supposed to happen on emulation/FPGA */
Eilon Greenstein33471622008-08-13 15:59:08 -07007458 BNX2X_ERR("warning random MAC workaround active\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007459 random_ether_addr(bp->dev->dev_addr);
7460 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7461 }
7462
7463 return rc;
7464}
7465
7466static int __devinit bnx2x_init_bp(struct bnx2x *bp)
7467{
7468 int func = BP_FUNC(bp);
7469 int rc;
7470
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007471 /* Disable interrupt handling until HW is initialized */
7472 atomic_set(&bp->intr_sem, 1);
7473
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007474 mutex_init(&bp->port.phy_mutex);
7475
7476 INIT_WORK(&bp->sp_task, bnx2x_sp_task);
7477 INIT_WORK(&bp->reset_task, bnx2x_reset_task);
7478
7479 rc = bnx2x_get_hwinfo(bp);
7480
7481 /* need to reset chip if undi was active */
7482 if (!BP_NOMCP(bp))
7483 bnx2x_undi_unload(bp);
7484
7485 if (CHIP_REV_IS_FPGA(bp))
7486 printk(KERN_ERR PFX "FPGA detected\n");
7487
7488 if (BP_NOMCP(bp) && (func == 0))
7489 printk(KERN_ERR PFX
7490 "MCP disabled, must load devices in order!\n");
7491
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07007492 /* Set TPA flags */
7493 if (disable_tpa) {
7494 bp->flags &= ~TPA_ENABLE_FLAG;
7495 bp->dev->features &= ~NETIF_F_LRO;
7496 } else {
7497 bp->flags |= TPA_ENABLE_FLAG;
7498 bp->dev->features |= NETIF_F_LRO;
7499 }
7500
7501
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007502 bp->tx_ring_size = MAX_TX_AVAIL;
7503 bp->rx_ring_size = MAX_RX_AVAIL;
7504
7505 bp->rx_csum = 1;
7506 bp->rx_offset = 0;
7507
7508 bp->tx_ticks = 50;
7509 bp->rx_ticks = 25;
7510
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007511 bp->timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
7512 bp->current_interval = (poll ? poll : bp->timer_interval);
7513
7514 init_timer(&bp->timer);
7515 bp->timer.expires = jiffies + bp->current_interval;
7516 bp->timer.data = (unsigned long) bp;
7517 bp->timer.function = bnx2x_timer;
7518
7519 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007520}
7521
7522/*
7523 * ethtool service functions
7524 */
7525
7526/* All ethtool functions called with rtnl_lock */
7527
7528static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7529{
7530 struct bnx2x *bp = netdev_priv(dev);
7531
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007532 cmd->supported = bp->port.supported;
7533 cmd->advertising = bp->port.advertising;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007534
7535 if (netif_carrier_ok(dev)) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007536 cmd->speed = bp->link_vars.line_speed;
7537 cmd->duplex = bp->link_vars.duplex;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007538 } else {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007539 cmd->speed = bp->link_params.req_line_speed;
7540 cmd->duplex = bp->link_params.req_duplex;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007541 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007542 if (IS_E1HMF(bp)) {
7543 u16 vn_max_rate;
7544
7545 vn_max_rate = ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >>
7546 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
7547 if (vn_max_rate < cmd->speed)
7548 cmd->speed = vn_max_rate;
7549 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007550
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007551 if (bp->link_params.switch_cfg == SWITCH_CFG_10G) {
7552 u32 ext_phy_type =
7553 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007554
7555 switch (ext_phy_type) {
7556 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7557 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7558 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7559 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007560 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007561 cmd->port = PORT_FIBRE;
7562 break;
7563
7564 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7565 cmd->port = PORT_TP;
7566 break;
7567
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007568 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7569 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7570 bp->link_params.ext_phy_config);
7571 break;
7572
Eliezer Tamirf1410642008-02-28 11:51:50 -08007573 default:
7574 DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007575 bp->link_params.ext_phy_config);
7576 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007577 }
7578 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007579 cmd->port = PORT_TP;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007580
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007581 cmd->phy_address = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007582 cmd->transceiver = XCVR_INTERNAL;
7583
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007584 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007585 cmd->autoneg = AUTONEG_ENABLE;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007586 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007587 cmd->autoneg = AUTONEG_DISABLE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007588
7589 cmd->maxtxpkt = 0;
7590 cmd->maxrxpkt = 0;
7591
7592 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7593 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7594 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7595 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7596 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7597 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7598 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7599
7600 return 0;
7601}
7602
7603static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7604{
7605 struct bnx2x *bp = netdev_priv(dev);
7606 u32 advertising;
7607
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007608 if (IS_E1HMF(bp))
7609 return 0;
7610
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007611 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7612 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7613 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7614 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7615 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7616 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7617 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7618
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007619 if (cmd->autoneg == AUTONEG_ENABLE) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007620 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
7621 DP(NETIF_MSG_LINK, "Autoneg not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007622 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007623 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007624
7625 /* advertise the requested speed and duplex if supported */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007626 cmd->advertising &= bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007627
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007628 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7629 bp->link_params.req_duplex = DUPLEX_FULL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007630 bp->port.advertising |= (ADVERTISED_Autoneg |
7631 cmd->advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007632
7633 } else { /* forced speed */
7634 /* advertise the requested speed and duplex if supported */
7635 switch (cmd->speed) {
7636 case SPEED_10:
7637 if (cmd->duplex == DUPLEX_FULL) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007638 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007639 SUPPORTED_10baseT_Full)) {
7640 DP(NETIF_MSG_LINK,
7641 "10M full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007642 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007643 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007644
7645 advertising = (ADVERTISED_10baseT_Full |
7646 ADVERTISED_TP);
7647 } else {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007648 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007649 SUPPORTED_10baseT_Half)) {
7650 DP(NETIF_MSG_LINK,
7651 "10M half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007652 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007653 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007654
7655 advertising = (ADVERTISED_10baseT_Half |
7656 ADVERTISED_TP);
7657 }
7658 break;
7659
7660 case SPEED_100:
7661 if (cmd->duplex == DUPLEX_FULL) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007662 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007663 SUPPORTED_100baseT_Full)) {
7664 DP(NETIF_MSG_LINK,
7665 "100M full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007666 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007667 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007668
7669 advertising = (ADVERTISED_100baseT_Full |
7670 ADVERTISED_TP);
7671 } else {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007672 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007673 SUPPORTED_100baseT_Half)) {
7674 DP(NETIF_MSG_LINK,
7675 "100M half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007676 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007677 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007678
7679 advertising = (ADVERTISED_100baseT_Half |
7680 ADVERTISED_TP);
7681 }
7682 break;
7683
7684 case SPEED_1000:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007685 if (cmd->duplex != DUPLEX_FULL) {
7686 DP(NETIF_MSG_LINK, "1G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007687 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007688 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007689
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007690 if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007691 DP(NETIF_MSG_LINK, "1G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007692 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007693 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007694
7695 advertising = (ADVERTISED_1000baseT_Full |
7696 ADVERTISED_TP);
7697 break;
7698
7699 case SPEED_2500:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007700 if (cmd->duplex != DUPLEX_FULL) {
7701 DP(NETIF_MSG_LINK,
7702 "2.5G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007703 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007704 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007705
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007706 if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007707 DP(NETIF_MSG_LINK,
7708 "2.5G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007709 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007710 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007711
Eliezer Tamirf1410642008-02-28 11:51:50 -08007712 advertising = (ADVERTISED_2500baseX_Full |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007713 ADVERTISED_TP);
7714 break;
7715
7716 case SPEED_10000:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007717 if (cmd->duplex != DUPLEX_FULL) {
7718 DP(NETIF_MSG_LINK, "10G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007719 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007720 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007721
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007722 if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007723 DP(NETIF_MSG_LINK, "10G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007724 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007725 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007726
7727 advertising = (ADVERTISED_10000baseT_Full |
7728 ADVERTISED_FIBRE);
7729 break;
7730
7731 default:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007732 DP(NETIF_MSG_LINK, "Unsupported speed\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007733 return -EINVAL;
7734 }
7735
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007736 bp->link_params.req_line_speed = cmd->speed;
7737 bp->link_params.req_duplex = cmd->duplex;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007738 bp->port.advertising = advertising;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007739 }
7740
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007741 DP(NETIF_MSG_LINK, "req_line_speed %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007742 DP_LEVEL " req_duplex %d advertising 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007743 bp->link_params.req_line_speed, bp->link_params.req_duplex,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007744 bp->port.advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007745
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007746 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07007747 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007748 bnx2x_link_set(bp);
7749 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007750
7751 return 0;
7752}
7753
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007754#define PHY_FW_VER_LEN 10
7755
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007756static void bnx2x_get_drvinfo(struct net_device *dev,
7757 struct ethtool_drvinfo *info)
7758{
7759 struct bnx2x *bp = netdev_priv(dev);
Eilon Greensteinf0e53a82008-08-13 15:58:30 -07007760 u8 phy_fw_ver[PHY_FW_VER_LEN];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007761
7762 strcpy(info->driver, DRV_MODULE_NAME);
7763 strcpy(info->version, DRV_MODULE_VERSION);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007764
7765 phy_fw_ver[0] = '\0';
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007766 if (bp->port.pmf) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007767 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007768 bnx2x_get_ext_phy_fw_version(&bp->link_params,
7769 (bp->state != BNX2X_STATE_CLOSED),
7770 phy_fw_ver, PHY_FW_VER_LEN);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007771 bnx2x_release_phy_lock(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007772 }
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007773
Eilon Greensteinf0e53a82008-08-13 15:58:30 -07007774 snprintf(info->fw_version, 32, "BC:%d.%d.%d%s%s",
7775 (bp->common.bc_ver & 0xff0000) >> 16,
7776 (bp->common.bc_ver & 0xff00) >> 8,
7777 (bp->common.bc_ver & 0xff),
7778 ((phy_fw_ver[0] != '\0') ? " PHY:" : ""), phy_fw_ver);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007779 strcpy(info->bus_info, pci_name(bp->pdev));
7780 info->n_stats = BNX2X_NUM_STATS;
7781 info->testinfo_len = BNX2X_NUM_TESTS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007782 info->eedump_len = bp->common.flash_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007783 info->regdump_len = 0;
7784}
7785
7786static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7787{
7788 struct bnx2x *bp = netdev_priv(dev);
7789
7790 if (bp->flags & NO_WOL_FLAG) {
7791 wol->supported = 0;
7792 wol->wolopts = 0;
7793 } else {
7794 wol->supported = WAKE_MAGIC;
7795 if (bp->wol)
7796 wol->wolopts = WAKE_MAGIC;
7797 else
7798 wol->wolopts = 0;
7799 }
7800 memset(&wol->sopass, 0, sizeof(wol->sopass));
7801}
7802
7803static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7804{
7805 struct bnx2x *bp = netdev_priv(dev);
7806
7807 if (wol->wolopts & ~WAKE_MAGIC)
7808 return -EINVAL;
7809
7810 if (wol->wolopts & WAKE_MAGIC) {
7811 if (bp->flags & NO_WOL_FLAG)
7812 return -EINVAL;
7813
7814 bp->wol = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007815 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007816 bp->wol = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007817
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007818 return 0;
7819}
7820
7821static u32 bnx2x_get_msglevel(struct net_device *dev)
7822{
7823 struct bnx2x *bp = netdev_priv(dev);
7824
7825 return bp->msglevel;
7826}
7827
7828static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
7829{
7830 struct bnx2x *bp = netdev_priv(dev);
7831
7832 if (capable(CAP_NET_ADMIN))
7833 bp->msglevel = level;
7834}
7835
7836static int bnx2x_nway_reset(struct net_device *dev)
7837{
7838 struct bnx2x *bp = netdev_priv(dev);
7839
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007840 if (!bp->port.pmf)
7841 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007842
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007843 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07007844 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007845 bnx2x_link_set(bp);
7846 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007847
7848 return 0;
7849}
7850
7851static int bnx2x_get_eeprom_len(struct net_device *dev)
7852{
7853 struct bnx2x *bp = netdev_priv(dev);
7854
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007855 return bp->common.flash_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007856}
7857
7858static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
7859{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007860 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007861 int count, i;
7862 u32 val = 0;
7863
7864 /* adjust timeout for emulation/FPGA */
7865 count = NVRAM_TIMEOUT_COUNT;
7866 if (CHIP_REV_IS_SLOW(bp))
7867 count *= 100;
7868
7869 /* request access to nvram interface */
7870 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7871 (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
7872
7873 for (i = 0; i < count*10; i++) {
7874 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7875 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
7876 break;
7877
7878 udelay(5);
7879 }
7880
7881 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007882 DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007883 return -EBUSY;
7884 }
7885
7886 return 0;
7887}
7888
7889static int bnx2x_release_nvram_lock(struct bnx2x *bp)
7890{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007891 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007892 int count, i;
7893 u32 val = 0;
7894
7895 /* adjust timeout for emulation/FPGA */
7896 count = NVRAM_TIMEOUT_COUNT;
7897 if (CHIP_REV_IS_SLOW(bp))
7898 count *= 100;
7899
7900 /* relinquish nvram interface */
7901 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7902 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
7903
7904 for (i = 0; i < count*10; i++) {
7905 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7906 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
7907 break;
7908
7909 udelay(5);
7910 }
7911
7912 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007913 DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007914 return -EBUSY;
7915 }
7916
7917 return 0;
7918}
7919
7920static void bnx2x_enable_nvram_access(struct bnx2x *bp)
7921{
7922 u32 val;
7923
7924 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7925
7926 /* enable both bits, even on read */
7927 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7928 (val | MCPR_NVM_ACCESS_ENABLE_EN |
7929 MCPR_NVM_ACCESS_ENABLE_WR_EN));
7930}
7931
7932static void bnx2x_disable_nvram_access(struct bnx2x *bp)
7933{
7934 u32 val;
7935
7936 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7937
7938 /* disable both bits, even after read */
7939 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7940 (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
7941 MCPR_NVM_ACCESS_ENABLE_WR_EN)));
7942}
7943
7944static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val,
7945 u32 cmd_flags)
7946{
Eliezer Tamirf1410642008-02-28 11:51:50 -08007947 int count, i, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007948 u32 val;
7949
7950 /* build the command word */
7951 cmd_flags |= MCPR_NVM_COMMAND_DOIT;
7952
7953 /* need to clear DONE bit separately */
7954 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
7955
7956 /* address of the NVRAM to read from */
7957 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
7958 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
7959
7960 /* issue a read command */
7961 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
7962
7963 /* adjust timeout for emulation/FPGA */
7964 count = NVRAM_TIMEOUT_COUNT;
7965 if (CHIP_REV_IS_SLOW(bp))
7966 count *= 100;
7967
7968 /* wait for completion */
7969 *ret_val = 0;
7970 rc = -EBUSY;
7971 for (i = 0; i < count; i++) {
7972 udelay(5);
7973 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
7974
7975 if (val & MCPR_NVM_COMMAND_DONE) {
7976 val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007977 /* we read nvram data in cpu order
7978 * but ethtool sees it as an array of bytes
7979 * converting to big-endian will do the work */
7980 val = cpu_to_be32(val);
7981 *ret_val = val;
7982 rc = 0;
7983 break;
7984 }
7985 }
7986
7987 return rc;
7988}
7989
7990static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
7991 int buf_size)
7992{
7993 int rc;
7994 u32 cmd_flags;
7995 u32 val;
7996
7997 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007998 DP(BNX2X_MSG_NVM,
Eliezer Tamirc14423f2008-02-28 11:49:42 -08007999 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008000 offset, buf_size);
8001 return -EINVAL;
8002 }
8003
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008004 if (offset + buf_size > bp->common.flash_size) {
8005 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008006 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008007 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008008 return -EINVAL;
8009 }
8010
8011 /* request access to nvram interface */
8012 rc = bnx2x_acquire_nvram_lock(bp);
8013 if (rc)
8014 return rc;
8015
8016 /* enable access to nvram interface */
8017 bnx2x_enable_nvram_access(bp);
8018
8019 /* read the first word(s) */
8020 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8021 while ((buf_size > sizeof(u32)) && (rc == 0)) {
8022 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8023 memcpy(ret_buf, &val, 4);
8024
8025 /* advance to the next dword */
8026 offset += sizeof(u32);
8027 ret_buf += sizeof(u32);
8028 buf_size -= sizeof(u32);
8029 cmd_flags = 0;
8030 }
8031
8032 if (rc == 0) {
8033 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8034 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8035 memcpy(ret_buf, &val, 4);
8036 }
8037
8038 /* disable access to nvram interface */
8039 bnx2x_disable_nvram_access(bp);
8040 bnx2x_release_nvram_lock(bp);
8041
8042 return rc;
8043}
8044
8045static int bnx2x_get_eeprom(struct net_device *dev,
8046 struct ethtool_eeprom *eeprom, u8 *eebuf)
8047{
8048 struct bnx2x *bp = netdev_priv(dev);
8049 int rc;
8050
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008051 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008052 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8053 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8054 eeprom->len, eeprom->len);
8055
8056 /* parameters already validated in ethtool_get_eeprom */
8057
8058 rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
8059
8060 return rc;
8061}
8062
8063static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
8064 u32 cmd_flags)
8065{
Eliezer Tamirf1410642008-02-28 11:51:50 -08008066 int count, i, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008067
8068 /* build the command word */
8069 cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
8070
8071 /* need to clear DONE bit separately */
8072 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
8073
8074 /* write the data */
8075 REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
8076
8077 /* address of the NVRAM to write to */
8078 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
8079 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
8080
8081 /* issue the write command */
8082 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
8083
8084 /* adjust timeout for emulation/FPGA */
8085 count = NVRAM_TIMEOUT_COUNT;
8086 if (CHIP_REV_IS_SLOW(bp))
8087 count *= 100;
8088
8089 /* wait for completion */
8090 rc = -EBUSY;
8091 for (i = 0; i < count; i++) {
8092 udelay(5);
8093 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8094 if (val & MCPR_NVM_COMMAND_DONE) {
8095 rc = 0;
8096 break;
8097 }
8098 }
8099
8100 return rc;
8101}
8102
Eliezer Tamirf1410642008-02-28 11:51:50 -08008103#define BYTE_OFFSET(offset) (8 * (offset & 0x03))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008104
8105static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
8106 int buf_size)
8107{
8108 int rc;
8109 u32 cmd_flags;
8110 u32 align_offset;
8111 u32 val;
8112
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008113 if (offset + buf_size > bp->common.flash_size) {
8114 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008115 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008116 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008117 return -EINVAL;
8118 }
8119
8120 /* request access to nvram interface */
8121 rc = bnx2x_acquire_nvram_lock(bp);
8122 if (rc)
8123 return rc;
8124
8125 /* enable access to nvram interface */
8126 bnx2x_enable_nvram_access(bp);
8127
8128 cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
8129 align_offset = (offset & ~0x03);
8130 rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
8131
8132 if (rc == 0) {
8133 val &= ~(0xff << BYTE_OFFSET(offset));
8134 val |= (*data_buf << BYTE_OFFSET(offset));
8135
8136 /* nvram data is returned as an array of bytes
8137 * convert it back to cpu order */
8138 val = be32_to_cpu(val);
8139
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008140 rc = bnx2x_nvram_write_dword(bp, align_offset, val,
8141 cmd_flags);
8142 }
8143
8144 /* disable access to nvram interface */
8145 bnx2x_disable_nvram_access(bp);
8146 bnx2x_release_nvram_lock(bp);
8147
8148 return rc;
8149}
8150
8151static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
8152 int buf_size)
8153{
8154 int rc;
8155 u32 cmd_flags;
8156 u32 val;
8157 u32 written_so_far;
8158
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008159 if (buf_size == 1) /* ethtool */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008160 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008161
8162 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008163 DP(BNX2X_MSG_NVM,
Eliezer Tamirc14423f2008-02-28 11:49:42 -08008164 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008165 offset, buf_size);
8166 return -EINVAL;
8167 }
8168
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008169 if (offset + buf_size > bp->common.flash_size) {
8170 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008171 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008172 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008173 return -EINVAL;
8174 }
8175
8176 /* request access to nvram interface */
8177 rc = bnx2x_acquire_nvram_lock(bp);
8178 if (rc)
8179 return rc;
8180
8181 /* enable access to nvram interface */
8182 bnx2x_enable_nvram_access(bp);
8183
8184 written_so_far = 0;
8185 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8186 while ((written_so_far < buf_size) && (rc == 0)) {
8187 if (written_so_far == (buf_size - sizeof(u32)))
8188 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8189 else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0)
8190 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8191 else if ((offset % NVRAM_PAGE_SIZE) == 0)
8192 cmd_flags |= MCPR_NVM_COMMAND_FIRST;
8193
8194 memcpy(&val, data_buf, 4);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008195
8196 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
8197
8198 /* advance to the next dword */
8199 offset += sizeof(u32);
8200 data_buf += sizeof(u32);
8201 written_so_far += sizeof(u32);
8202 cmd_flags = 0;
8203 }
8204
8205 /* disable access to nvram interface */
8206 bnx2x_disable_nvram_access(bp);
8207 bnx2x_release_nvram_lock(bp);
8208
8209 return rc;
8210}
8211
8212static int bnx2x_set_eeprom(struct net_device *dev,
8213 struct ethtool_eeprom *eeprom, u8 *eebuf)
8214{
8215 struct bnx2x *bp = netdev_priv(dev);
8216 int rc;
8217
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008218 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008219 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8220 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8221 eeprom->len, eeprom->len);
8222
8223 /* parameters already validated in ethtool_set_eeprom */
8224
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008225 /* If the magic number is PHY (0x00504859) upgrade the PHY FW */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008226 if (eeprom->magic == 0x00504859)
8227 if (bp->port.pmf) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008228
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008229 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008230 rc = bnx2x_flash_download(bp, BP_PORT(bp),
8231 bp->link_params.ext_phy_config,
8232 (bp->state != BNX2X_STATE_CLOSED),
8233 eebuf, eeprom->len);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008234 if ((bp->state == BNX2X_STATE_OPEN) ||
8235 (bp->state == BNX2X_STATE_DISABLED)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008236 rc |= bnx2x_link_reset(&bp->link_params,
8237 &bp->link_vars);
8238 rc |= bnx2x_phy_init(&bp->link_params,
8239 &bp->link_vars);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008240 }
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008241 bnx2x_release_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008242
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008243 } else /* Only the PMF can access the PHY */
8244 return -EINVAL;
8245 else
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008246 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008247
8248 return rc;
8249}
8250
8251static int bnx2x_get_coalesce(struct net_device *dev,
8252 struct ethtool_coalesce *coal)
8253{
8254 struct bnx2x *bp = netdev_priv(dev);
8255
8256 memset(coal, 0, sizeof(struct ethtool_coalesce));
8257
8258 coal->rx_coalesce_usecs = bp->rx_ticks;
8259 coal->tx_coalesce_usecs = bp->tx_ticks;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008260
8261 return 0;
8262}
8263
8264static int bnx2x_set_coalesce(struct net_device *dev,
8265 struct ethtool_coalesce *coal)
8266{
8267 struct bnx2x *bp = netdev_priv(dev);
8268
8269 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
8270 if (bp->rx_ticks > 3000)
8271 bp->rx_ticks = 3000;
8272
8273 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
8274 if (bp->tx_ticks > 0x3000)
8275 bp->tx_ticks = 0x3000;
8276
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008277 if (netif_running(dev))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008278 bnx2x_update_coalesce(bp);
8279
8280 return 0;
8281}
8282
8283static void bnx2x_get_ringparam(struct net_device *dev,
8284 struct ethtool_ringparam *ering)
8285{
8286 struct bnx2x *bp = netdev_priv(dev);
8287
8288 ering->rx_max_pending = MAX_RX_AVAIL;
8289 ering->rx_mini_max_pending = 0;
8290 ering->rx_jumbo_max_pending = 0;
8291
8292 ering->rx_pending = bp->rx_ring_size;
8293 ering->rx_mini_pending = 0;
8294 ering->rx_jumbo_pending = 0;
8295
8296 ering->tx_max_pending = MAX_TX_AVAIL;
8297 ering->tx_pending = bp->tx_ring_size;
8298}
8299
8300static int bnx2x_set_ringparam(struct net_device *dev,
8301 struct ethtool_ringparam *ering)
8302{
8303 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008304 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008305
8306 if ((ering->rx_pending > MAX_RX_AVAIL) ||
8307 (ering->tx_pending > MAX_TX_AVAIL) ||
8308 (ering->tx_pending <= MAX_SKB_FRAGS + 4))
8309 return -EINVAL;
8310
8311 bp->rx_ring_size = ering->rx_pending;
8312 bp->tx_ring_size = ering->tx_pending;
8313
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008314 if (netif_running(dev)) {
8315 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8316 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008317 }
8318
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008319 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008320}
8321
8322static void bnx2x_get_pauseparam(struct net_device *dev,
8323 struct ethtool_pauseparam *epause)
8324{
8325 struct bnx2x *bp = netdev_priv(dev);
8326
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008327 epause->autoneg = (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
8328 (bp->link_params.req_line_speed == SPEED_AUTO_NEG);
8329
8330 epause->rx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_RX) ==
8331 FLOW_CTRL_RX);
8332 epause->tx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_TX) ==
8333 FLOW_CTRL_TX);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008334
8335 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8336 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8337 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8338}
8339
8340static int bnx2x_set_pauseparam(struct net_device *dev,
8341 struct ethtool_pauseparam *epause)
8342{
8343 struct bnx2x *bp = netdev_priv(dev);
8344
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008345 if (IS_E1HMF(bp))
8346 return 0;
8347
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008348 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8349 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8350 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8351
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008352 bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
8353
8354 if (epause->rx_pause)
8355 bp->link_params.req_flow_ctrl |= FLOW_CTRL_RX;
8356
8357 if (epause->tx_pause)
8358 bp->link_params.req_flow_ctrl |= FLOW_CTRL_TX;
8359
8360 if (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO)
8361 bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
8362
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008363 if (epause->autoneg) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008364 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07008365 DP(NETIF_MSG_LINK, "autoneg not supported\n");
Eliezer Tamirf1410642008-02-28 11:51:50 -08008366 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008367 }
8368
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008369 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
8370 bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
8371 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008372
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008373 DP(NETIF_MSG_LINK,
8374 "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008375
8376 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008377 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008378 bnx2x_link_set(bp);
8379 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008380
8381 return 0;
8382}
8383
Vladislav Zolotarovdf0f2342008-08-13 15:53:38 -07008384static int bnx2x_set_flags(struct net_device *dev, u32 data)
8385{
8386 struct bnx2x *bp = netdev_priv(dev);
8387 int changed = 0;
8388 int rc = 0;
8389
8390 /* TPA requires Rx CSUM offloading */
8391 if ((data & ETH_FLAG_LRO) && bp->rx_csum) {
8392 if (!(dev->features & NETIF_F_LRO)) {
8393 dev->features |= NETIF_F_LRO;
8394 bp->flags |= TPA_ENABLE_FLAG;
8395 changed = 1;
8396 }
8397
8398 } else if (dev->features & NETIF_F_LRO) {
8399 dev->features &= ~NETIF_F_LRO;
8400 bp->flags &= ~TPA_ENABLE_FLAG;
8401 changed = 1;
8402 }
8403
8404 if (changed && netif_running(dev)) {
8405 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8406 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
8407 }
8408
8409 return rc;
8410}
8411
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008412static u32 bnx2x_get_rx_csum(struct net_device *dev)
8413{
8414 struct bnx2x *bp = netdev_priv(dev);
8415
8416 return bp->rx_csum;
8417}
8418
8419static int bnx2x_set_rx_csum(struct net_device *dev, u32 data)
8420{
8421 struct bnx2x *bp = netdev_priv(dev);
Vladislav Zolotarovdf0f2342008-08-13 15:53:38 -07008422 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008423
8424 bp->rx_csum = data;
Vladislav Zolotarovdf0f2342008-08-13 15:53:38 -07008425
8426 /* Disable TPA, when Rx CSUM is disabled. Otherwise all
8427 TPA'ed packets will be discarded due to wrong TCP CSUM */
8428 if (!data) {
8429 u32 flags = ethtool_op_get_flags(dev);
8430
8431 rc = bnx2x_set_flags(dev, (flags & ~ETH_FLAG_LRO));
8432 }
8433
8434 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008435}
8436
8437static int bnx2x_set_tso(struct net_device *dev, u32 data)
8438{
Eilon Greenstein755735e2008-06-23 20:35:13 -07008439 if (data) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008440 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735e2008-06-23 20:35:13 -07008441 dev->features |= NETIF_F_TSO6;
8442 } else {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008443 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735e2008-06-23 20:35:13 -07008444 dev->features &= ~NETIF_F_TSO6;
8445 }
8446
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008447 return 0;
8448}
8449
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008450static const struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008451 char string[ETH_GSTRING_LEN];
8452} bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008453 { "register_test (offline)" },
8454 { "memory_test (offline)" },
8455 { "loopback_test (offline)" },
8456 { "nvram_test (online)" },
8457 { "interrupt_test (online)" },
8458 { "link_test (online)" },
8459 { "idle check (online)" },
8460 { "MC errors (online)" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008461};
8462
8463static int bnx2x_self_test_count(struct net_device *dev)
8464{
8465 return BNX2X_NUM_TESTS;
8466}
8467
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008468static int bnx2x_test_registers(struct bnx2x *bp)
8469{
8470 int idx, i, rc = -ENODEV;
8471 u32 wr_val = 0;
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008472 int port = BP_PORT(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008473 static const struct {
8474 u32 offset0;
8475 u32 offset1;
8476 u32 mask;
8477 } reg_tbl[] = {
8478/* 0 */ { BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff },
8479 { DORQ_REG_DB_ADDR0, 4, 0xffffffff },
8480 { HC_REG_AGG_INT_0, 4, 0x000003ff },
8481 { PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 },
8482 { PBF_REG_P0_INIT_CRD, 4, 0x000007ff },
8483 { PRS_REG_CID_PORT_0, 4, 0x00ffffff },
8484 { PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff },
8485 { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8486 { PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff },
8487 { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8488/* 10 */ { PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff },
8489 { QM_REG_CONNNUM_0, 4, 0x000fffff },
8490 { TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff },
8491 { SRC_REG_KEYRSS0_0, 40, 0xffffffff },
8492 { SRC_REG_KEYRSS0_7, 40, 0xffffffff },
8493 { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
8494 { XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 },
8495 { XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff },
8496 { NIG_REG_EGRESS_MNG0_FIFO, 20, 0xffffffff },
8497 { NIG_REG_LLH0_T_BIT, 4, 0x00000001 },
8498/* 20 */ { NIG_REG_EMAC0_IN_EN, 4, 0x00000001 },
8499 { NIG_REG_BMAC0_IN_EN, 4, 0x00000001 },
8500 { NIG_REG_XCM0_OUT_EN, 4, 0x00000001 },
8501 { NIG_REG_BRB0_OUT_EN, 4, 0x00000001 },
8502 { NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 },
8503 { NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff },
8504 { NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff },
8505 { NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff },
8506 { NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff },
8507 { NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 },
8508/* 30 */ { NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff },
8509 { NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff },
8510 { NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff },
8511 { NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 },
8512 { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 },
8513 { NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff },
8514 { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
8515 { NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f },
8516
8517 { 0xffffffff, 0, 0x00000000 }
8518 };
8519
8520 if (!netif_running(bp->dev))
8521 return rc;
8522
8523 /* Repeat the test twice:
8524 First by writing 0x00000000, second by writing 0xffffffff */
8525 for (idx = 0; idx < 2; idx++) {
8526
8527 switch (idx) {
8528 case 0:
8529 wr_val = 0;
8530 break;
8531 case 1:
8532 wr_val = 0xffffffff;
8533 break;
8534 }
8535
8536 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
8537 u32 offset, mask, save_val, val;
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008538
8539 offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
8540 mask = reg_tbl[i].mask;
8541
8542 save_val = REG_RD(bp, offset);
8543
8544 REG_WR(bp, offset, wr_val);
8545 val = REG_RD(bp, offset);
8546
8547 /* Restore the original register's value */
8548 REG_WR(bp, offset, save_val);
8549
8550 /* verify that value is as expected value */
8551 if ((val & mask) != (wr_val & mask))
8552 goto test_reg_exit;
8553 }
8554 }
8555
8556 rc = 0;
8557
8558test_reg_exit:
8559 return rc;
8560}
8561
8562static int bnx2x_test_memory(struct bnx2x *bp)
8563{
8564 int i, j, rc = -ENODEV;
8565 u32 val;
8566 static const struct {
8567 u32 offset;
8568 int size;
8569 } mem_tbl[] = {
8570 { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE },
8571 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
8572 { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE },
8573 { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE },
8574 { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE },
8575 { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE },
8576 { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE },
8577
8578 { 0xffffffff, 0 }
8579 };
8580 static const struct {
8581 char *name;
8582 u32 offset;
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008583 u32 e1_mask;
8584 u32 e1h_mask;
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008585 } prty_tbl[] = {
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008586 { "CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS, 0x3ffc0, 0 },
8587 { "CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS, 0x2, 0x2 },
8588 { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0, 0 },
8589 { "TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS, 0x3ffc0, 0 },
8590 { "UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS, 0x3ffc0, 0 },
8591 { "XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS, 0x3ffc1, 0 },
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008592
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008593 { NULL, 0xffffffff, 0, 0 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008594 };
8595
8596 if (!netif_running(bp->dev))
8597 return rc;
8598
8599 /* Go through all the memories */
8600 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
8601 for (j = 0; j < mem_tbl[i].size; j++)
8602 REG_RD(bp, mem_tbl[i].offset + j*4);
8603
8604 /* Check the parity status */
8605 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
8606 val = REG_RD(bp, prty_tbl[i].offset);
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008607 if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) ||
8608 (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask)))) {
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008609 DP(NETIF_MSG_HW,
8610 "%s is 0x%x\n", prty_tbl[i].name, val);
8611 goto test_mem_exit;
8612 }
8613 }
8614
8615 rc = 0;
8616
8617test_mem_exit:
8618 return rc;
8619}
8620
8621static void bnx2x_netif_start(struct bnx2x *bp)
8622{
8623 int i;
8624
8625 if (atomic_dec_and_test(&bp->intr_sem)) {
8626 if (netif_running(bp->dev)) {
8627 bnx2x_int_enable(bp);
8628 for_each_queue(bp, i)
8629 napi_enable(&bnx2x_fp(bp, i, napi));
8630 if (bp->state == BNX2X_STATE_OPEN)
8631 netif_wake_queue(bp->dev);
8632 }
8633 }
8634}
8635
8636static void bnx2x_netif_stop(struct bnx2x *bp)
8637{
8638 int i;
8639
8640 if (netif_running(bp->dev)) {
8641 netif_tx_disable(bp->dev);
8642 bp->dev->trans_start = jiffies; /* prevent tx timeout */
8643 for_each_queue(bp, i)
8644 napi_disable(&bnx2x_fp(bp, i, napi));
8645 }
8646 bnx2x_int_disable_sync(bp);
8647}
8648
8649static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up)
8650{
8651 int cnt = 1000;
8652
8653 if (link_up)
8654 while (bnx2x_link_test(bp) && cnt--)
8655 msleep(10);
8656}
8657
8658static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
8659{
8660 unsigned int pkt_size, num_pkts, i;
8661 struct sk_buff *skb;
8662 unsigned char *packet;
8663 struct bnx2x_fastpath *fp = &bp->fp[0];
8664 u16 tx_start_idx, tx_idx;
8665 u16 rx_start_idx, rx_idx;
8666 u16 pkt_prod;
8667 struct sw_tx_bd *tx_buf;
8668 struct eth_tx_bd *tx_bd;
8669 dma_addr_t mapping;
8670 union eth_rx_cqe *cqe;
8671 u8 cqe_fp_flags;
8672 struct sw_rx_bd *rx_buf;
8673 u16 len;
8674 int rc = -ENODEV;
8675
8676 if (loopback_mode == BNX2X_MAC_LOOPBACK) {
8677 bp->link_params.loopback_mode = LOOPBACK_BMAC;
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008678 bnx2x_acquire_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008679 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008680 bnx2x_release_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008681
8682 } else if (loopback_mode == BNX2X_PHY_LOOPBACK) {
8683 bp->link_params.loopback_mode = LOOPBACK_XGXS_10;
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008684 bnx2x_acquire_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008685 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008686 bnx2x_release_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008687 /* wait until link state is restored */
8688 bnx2x_wait_for_link(bp, link_up);
8689
8690 } else
8691 return -EINVAL;
8692
8693 pkt_size = 1514;
8694 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
8695 if (!skb) {
8696 rc = -ENOMEM;
8697 goto test_loopback_exit;
8698 }
8699 packet = skb_put(skb, pkt_size);
8700 memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
8701 memset(packet + ETH_ALEN, 0, (ETH_HLEN - ETH_ALEN));
8702 for (i = ETH_HLEN; i < pkt_size; i++)
8703 packet[i] = (unsigned char) (i & 0xff);
8704
8705 num_pkts = 0;
8706 tx_start_idx = le16_to_cpu(*fp->tx_cons_sb);
8707 rx_start_idx = le16_to_cpu(*fp->rx_cons_sb);
8708
8709 pkt_prod = fp->tx_pkt_prod++;
8710 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
8711 tx_buf->first_bd = fp->tx_bd_prod;
8712 tx_buf->skb = skb;
8713
8714 tx_bd = &fp->tx_desc_ring[TX_BD(fp->tx_bd_prod)];
8715 mapping = pci_map_single(bp->pdev, skb->data,
8716 skb_headlen(skb), PCI_DMA_TODEVICE);
8717 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
8718 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
8719 tx_bd->nbd = cpu_to_le16(1);
8720 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
8721 tx_bd->vlan = cpu_to_le16(pkt_prod);
8722 tx_bd->bd_flags.as_bitfield = (ETH_TX_BD_FLAGS_START_BD |
8723 ETH_TX_BD_FLAGS_END_BD);
8724 tx_bd->general_data = ((UNICAST_ADDRESS <<
8725 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT) | 1);
8726
8727 fp->hw_tx_prods->bds_prod =
8728 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + 1);
8729 mb(); /* FW restriction: must not reorder writing nbd and packets */
8730 fp->hw_tx_prods->packets_prod =
8731 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
8732 DOORBELL(bp, FP_IDX(fp), 0);
8733
8734 mmiowb();
8735
8736 num_pkts++;
8737 fp->tx_bd_prod++;
8738 bp->dev->trans_start = jiffies;
8739
8740 udelay(100);
8741
8742 tx_idx = le16_to_cpu(*fp->tx_cons_sb);
8743 if (tx_idx != tx_start_idx + num_pkts)
8744 goto test_loopback_exit;
8745
8746 rx_idx = le16_to_cpu(*fp->rx_cons_sb);
8747 if (rx_idx != rx_start_idx + num_pkts)
8748 goto test_loopback_exit;
8749
8750 cqe = &fp->rx_comp_ring[RCQ_BD(fp->rx_comp_cons)];
8751 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
8752 if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
8753 goto test_loopback_rx_exit;
8754
8755 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
8756 if (len != pkt_size)
8757 goto test_loopback_rx_exit;
8758
8759 rx_buf = &fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)];
8760 skb = rx_buf->skb;
8761 skb_reserve(skb, cqe->fast_path_cqe.placement_offset);
8762 for (i = ETH_HLEN; i < pkt_size; i++)
8763 if (*(skb->data + i) != (unsigned char) (i & 0xff))
8764 goto test_loopback_rx_exit;
8765
8766 rc = 0;
8767
8768test_loopback_rx_exit:
8769 bp->dev->last_rx = jiffies;
8770
8771 fp->rx_bd_cons = NEXT_RX_IDX(fp->rx_bd_cons);
8772 fp->rx_bd_prod = NEXT_RX_IDX(fp->rx_bd_prod);
8773 fp->rx_comp_cons = NEXT_RCQ_IDX(fp->rx_comp_cons);
8774 fp->rx_comp_prod = NEXT_RCQ_IDX(fp->rx_comp_prod);
8775
8776 /* Update producers */
8777 bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod,
8778 fp->rx_sge_prod);
8779 mmiowb(); /* keep prod updates ordered */
8780
8781test_loopback_exit:
8782 bp->link_params.loopback_mode = LOOPBACK_NONE;
8783
8784 return rc;
8785}
8786
8787static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up)
8788{
8789 int rc = 0;
8790
8791 if (!netif_running(bp->dev))
8792 return BNX2X_LOOPBACK_FAILED;
8793
8794 bnx2x_netif_stop(bp);
8795
8796 if (bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up)) {
8797 DP(NETIF_MSG_PROBE, "MAC loopback failed\n");
8798 rc |= BNX2X_MAC_LOOPBACK_FAILED;
8799 }
8800
8801 if (bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up)) {
8802 DP(NETIF_MSG_PROBE, "PHY loopback failed\n");
8803 rc |= BNX2X_PHY_LOOPBACK_FAILED;
8804 }
8805
8806 bnx2x_netif_start(bp);
8807
8808 return rc;
8809}
8810
8811#define CRC32_RESIDUAL 0xdebb20e3
8812
8813static int bnx2x_test_nvram(struct bnx2x *bp)
8814{
8815 static const struct {
8816 int offset;
8817 int size;
8818 } nvram_tbl[] = {
8819 { 0, 0x14 }, /* bootstrap */
8820 { 0x14, 0xec }, /* dir */
8821 { 0x100, 0x350 }, /* manuf_info */
8822 { 0x450, 0xf0 }, /* feature_info */
8823 { 0x640, 0x64 }, /* upgrade_key_info */
8824 { 0x6a4, 0x64 },
8825 { 0x708, 0x70 }, /* manuf_key_info */
8826 { 0x778, 0x70 },
8827 { 0, 0 }
8828 };
8829 u32 buf[0x350 / 4];
8830 u8 *data = (u8 *)buf;
8831 int i, rc;
8832 u32 magic, csum;
8833
8834 rc = bnx2x_nvram_read(bp, 0, data, 4);
8835 if (rc) {
8836 DP(NETIF_MSG_PROBE, "magic value read (rc -%d)\n", -rc);
8837 goto test_nvram_exit;
8838 }
8839
8840 magic = be32_to_cpu(buf[0]);
8841 if (magic != 0x669955aa) {
8842 DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
8843 rc = -ENODEV;
8844 goto test_nvram_exit;
8845 }
8846
8847 for (i = 0; nvram_tbl[i].size; i++) {
8848
8849 rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
8850 nvram_tbl[i].size);
8851 if (rc) {
8852 DP(NETIF_MSG_PROBE,
8853 "nvram_tbl[%d] read data (rc -%d)\n", i, -rc);
8854 goto test_nvram_exit;
8855 }
8856
8857 csum = ether_crc_le(nvram_tbl[i].size, data);
8858 if (csum != CRC32_RESIDUAL) {
8859 DP(NETIF_MSG_PROBE,
8860 "nvram_tbl[%d] csum value (0x%08x)\n", i, csum);
8861 rc = -ENODEV;
8862 goto test_nvram_exit;
8863 }
8864 }
8865
8866test_nvram_exit:
8867 return rc;
8868}
8869
8870static int bnx2x_test_intr(struct bnx2x *bp)
8871{
8872 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
8873 int i, rc;
8874
8875 if (!netif_running(bp->dev))
8876 return -ENODEV;
8877
8878 config->hdr.length_6b = 0;
8879 config->hdr.offset = 0;
8880 config->hdr.client_id = BP_CL_ID(bp);
8881 config->hdr.reserved1 = 0;
8882
8883 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
8884 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
8885 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
8886 if (rc == 0) {
8887 bp->set_mac_pending++;
8888 for (i = 0; i < 10; i++) {
8889 if (!bp->set_mac_pending)
8890 break;
8891 msleep_interruptible(10);
8892 }
8893 if (i == 10)
8894 rc = -ENODEV;
8895 }
8896
8897 return rc;
8898}
8899
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008900static void bnx2x_self_test(struct net_device *dev,
8901 struct ethtool_test *etest, u64 *buf)
8902{
8903 struct bnx2x *bp = netdev_priv(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008904
8905 memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
8906
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008907 if (!netif_running(dev))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008908 return;
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008909
Eilon Greenstein33471622008-08-13 15:59:08 -07008910 /* offline tests are not supported in MF mode */
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008911 if (IS_E1HMF(bp))
8912 etest->flags &= ~ETH_TEST_FL_OFFLINE;
8913
8914 if (etest->flags & ETH_TEST_FL_OFFLINE) {
8915 u8 link_up;
8916
8917 link_up = bp->link_vars.link_up;
8918 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8919 bnx2x_nic_load(bp, LOAD_DIAG);
8920 /* wait until link state is restored */
8921 bnx2x_wait_for_link(bp, link_up);
8922
8923 if (bnx2x_test_registers(bp) != 0) {
8924 buf[0] = 1;
8925 etest->flags |= ETH_TEST_FL_FAILED;
8926 }
8927 if (bnx2x_test_memory(bp) != 0) {
8928 buf[1] = 1;
8929 etest->flags |= ETH_TEST_FL_FAILED;
8930 }
8931 buf[2] = bnx2x_test_loopback(bp, link_up);
8932 if (buf[2] != 0)
8933 etest->flags |= ETH_TEST_FL_FAILED;
8934
8935 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8936 bnx2x_nic_load(bp, LOAD_NORMAL);
8937 /* wait until link state is restored */
8938 bnx2x_wait_for_link(bp, link_up);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008939 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008940 if (bnx2x_test_nvram(bp) != 0) {
8941 buf[3] = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008942 etest->flags |= ETH_TEST_FL_FAILED;
8943 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008944 if (bnx2x_test_intr(bp) != 0) {
8945 buf[4] = 1;
8946 etest->flags |= ETH_TEST_FL_FAILED;
8947 }
8948 if (bp->port.pmf)
8949 if (bnx2x_link_test(bp) != 0) {
8950 buf[5] = 1;
8951 etest->flags |= ETH_TEST_FL_FAILED;
8952 }
8953 buf[7] = bnx2x_mc_assert(bp);
8954 if (buf[7] != 0)
8955 etest->flags |= ETH_TEST_FL_FAILED;
8956
8957#ifdef BNX2X_EXTRA_DEBUG
8958 bnx2x_panic_dump(bp);
8959#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008960}
8961
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008962static const struct {
8963 long offset;
8964 int size;
8965 u32 flags;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008966#define STATS_FLAGS_PORT 1
8967#define STATS_FLAGS_FUNC 2
8968 u8 string[ETH_GSTRING_LEN];
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008969} bnx2x_stats_arr[BNX2X_NUM_STATS] = {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008970/* 1 */ { STATS_OFFSET32(valid_bytes_received_hi),
8971 8, STATS_FLAGS_FUNC, "rx_bytes" },
8972 { STATS_OFFSET32(error_bytes_received_hi),
8973 8, STATS_FLAGS_FUNC, "rx_error_bytes" },
8974 { STATS_OFFSET32(total_bytes_transmitted_hi),
8975 8, STATS_FLAGS_FUNC, "tx_bytes" },
8976 { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
8977 8, STATS_FLAGS_PORT, "tx_error_bytes" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008978 { STATS_OFFSET32(total_unicast_packets_received_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008979 8, STATS_FLAGS_FUNC, "rx_ucast_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008980 { STATS_OFFSET32(total_multicast_packets_received_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008981 8, STATS_FLAGS_FUNC, "rx_mcast_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008982 { STATS_OFFSET32(total_broadcast_packets_received_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008983 8, STATS_FLAGS_FUNC, "rx_bcast_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008984 { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008985 8, STATS_FLAGS_FUNC, "tx_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008986 { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008987 8, STATS_FLAGS_PORT, "tx_mac_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008988/* 10 */{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008989 8, STATS_FLAGS_PORT, "tx_carrier_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008990 { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008991 8, STATS_FLAGS_PORT, "rx_crc_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008992 { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008993 8, STATS_FLAGS_PORT, "rx_align_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008994 { STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008995 8, STATS_FLAGS_PORT, "tx_single_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008996 { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008997 8, STATS_FLAGS_PORT, "tx_multi_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008998 { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008999 8, STATS_FLAGS_PORT, "tx_deferred" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009000 { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009001 8, STATS_FLAGS_PORT, "tx_excess_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009002 { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009003 8, STATS_FLAGS_PORT, "tx_late_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009004 { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009005 8, STATS_FLAGS_PORT, "tx_total_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009006 { STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009007 8, STATS_FLAGS_PORT, "rx_fragments" },
9008/* 20 */{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
9009 8, STATS_FLAGS_PORT, "rx_jabbers" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009010 { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009011 8, STATS_FLAGS_PORT, "rx_undersize_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009012 { STATS_OFFSET32(jabber_packets_received),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009013 4, STATS_FLAGS_FUNC, "rx_oversize_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009014 { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009015 8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009016 { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009017 8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009018 { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009019 8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009020 { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009021 8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009022 { STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009023 8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009024 { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009025 8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009026 { STATS_OFFSET32(etherstatspktsover1522octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009027 8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009028/* 30 */{ STATS_OFFSET32(rx_stat_xonpauseframesreceived_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009029 8, STATS_FLAGS_PORT, "rx_xon_frames" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009030 { STATS_OFFSET32(rx_stat_xoffpauseframesreceived_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009031 8, STATS_FLAGS_PORT, "rx_xoff_frames" },
9032 { STATS_OFFSET32(tx_stat_outxonsent_hi),
9033 8, STATS_FLAGS_PORT, "tx_xon_frames" },
9034 { STATS_OFFSET32(tx_stat_outxoffsent_hi),
9035 8, STATS_FLAGS_PORT, "tx_xoff_frames" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009036 { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009037 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
9038 { STATS_OFFSET32(mac_filter_discard),
9039 4, STATS_FLAGS_PORT, "rx_filtered_packets" },
9040 { STATS_OFFSET32(no_buff_discard),
9041 4, STATS_FLAGS_FUNC, "rx_discards" },
9042 { STATS_OFFSET32(xxoverflow_discard),
9043 4, STATS_FLAGS_PORT, "rx_fw_discards" },
9044 { STATS_OFFSET32(brb_drop_hi),
9045 8, STATS_FLAGS_PORT, "brb_discard" },
9046 { STATS_OFFSET32(brb_truncate_hi),
9047 8, STATS_FLAGS_PORT, "brb_truncate" },
9048/* 40 */{ STATS_OFFSET32(rx_err_discard_pkt),
9049 4, STATS_FLAGS_FUNC, "rx_phy_ip_err_discards"},
9050 { STATS_OFFSET32(rx_skb_alloc_failed),
9051 4, STATS_FLAGS_FUNC, "rx_skb_alloc_discard" },
9052/* 42 */{ STATS_OFFSET32(hw_csum_err),
9053 4, STATS_FLAGS_FUNC, "rx_csum_offload_errors" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009054};
9055
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009056#define IS_NOT_E1HMF_STAT(bp, i) \
9057 (IS_E1HMF(bp) && (bnx2x_stats_arr[i].flags & STATS_FLAGS_PORT))
9058
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009059static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
9060{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009061 struct bnx2x *bp = netdev_priv(dev);
9062 int i, j;
9063
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009064 switch (stringset) {
9065 case ETH_SS_STATS:
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009066 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009067 if (IS_NOT_E1HMF_STAT(bp, i))
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009068 continue;
9069 strcpy(buf + j*ETH_GSTRING_LEN,
9070 bnx2x_stats_arr[i].string);
9071 j++;
9072 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009073 break;
9074
9075 case ETH_SS_TEST:
9076 memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
9077 break;
9078 }
9079}
9080
9081static int bnx2x_get_stats_count(struct net_device *dev)
9082{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009083 struct bnx2x *bp = netdev_priv(dev);
9084 int i, num_stats = 0;
9085
9086 for (i = 0; i < BNX2X_NUM_STATS; i++) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009087 if (IS_NOT_E1HMF_STAT(bp, i))
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009088 continue;
9089 num_stats++;
9090 }
9091 return num_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009092}
9093
9094static void bnx2x_get_ethtool_stats(struct net_device *dev,
9095 struct ethtool_stats *stats, u64 *buf)
9096{
9097 struct bnx2x *bp = netdev_priv(dev);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009098 u32 *hw_stats = (u32 *)&bp->eth_stats;
9099 int i, j;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009100
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009101 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009102 if (IS_NOT_E1HMF_STAT(bp, i))
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009103 continue;
9104
9105 if (bnx2x_stats_arr[i].size == 0) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009106 /* skip this counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009107 buf[j] = 0;
9108 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009109 continue;
9110 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009111 if (bnx2x_stats_arr[i].size == 4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009112 /* 4-byte counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009113 buf[j] = (u64) *(hw_stats + bnx2x_stats_arr[i].offset);
9114 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009115 continue;
9116 }
9117 /* 8-byte counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009118 buf[j] = HILO_U64(*(hw_stats + bnx2x_stats_arr[i].offset),
9119 *(hw_stats + bnx2x_stats_arr[i].offset + 1));
9120 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009121 }
9122}
9123
9124static int bnx2x_phys_id(struct net_device *dev, u32 data)
9125{
9126 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009127 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009128 int i;
9129
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009130 if (!netif_running(dev))
9131 return 0;
9132
9133 if (!bp->port.pmf)
9134 return 0;
9135
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009136 if (data == 0)
9137 data = 2;
9138
9139 for (i = 0; i < (data * 2); i++) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009140 if ((i % 2) == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009141 bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009142 bp->link_params.hw_led_mode,
9143 bp->link_params.chip_id);
9144 else
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009145 bnx2x_set_led(bp, port, LED_MODE_OFF, 0,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009146 bp->link_params.hw_led_mode,
9147 bp->link_params.chip_id);
9148
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009149 msleep_interruptible(500);
9150 if (signal_pending(current))
9151 break;
9152 }
9153
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009154 if (bp->link_vars.link_up)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009155 bnx2x_set_led(bp, port, LED_MODE_OPER,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009156 bp->link_vars.line_speed,
9157 bp->link_params.hw_led_mode,
9158 bp->link_params.chip_id);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009159
9160 return 0;
9161}
9162
9163static struct ethtool_ops bnx2x_ethtool_ops = {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009164 .get_settings = bnx2x_get_settings,
9165 .set_settings = bnx2x_set_settings,
9166 .get_drvinfo = bnx2x_get_drvinfo,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009167 .get_wol = bnx2x_get_wol,
9168 .set_wol = bnx2x_set_wol,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009169 .get_msglevel = bnx2x_get_msglevel,
9170 .set_msglevel = bnx2x_set_msglevel,
9171 .nway_reset = bnx2x_nway_reset,
9172 .get_link = ethtool_op_get_link,
9173 .get_eeprom_len = bnx2x_get_eeprom_len,
9174 .get_eeprom = bnx2x_get_eeprom,
9175 .set_eeprom = bnx2x_set_eeprom,
9176 .get_coalesce = bnx2x_get_coalesce,
9177 .set_coalesce = bnx2x_set_coalesce,
9178 .get_ringparam = bnx2x_get_ringparam,
9179 .set_ringparam = bnx2x_set_ringparam,
9180 .get_pauseparam = bnx2x_get_pauseparam,
9181 .set_pauseparam = bnx2x_set_pauseparam,
9182 .get_rx_csum = bnx2x_get_rx_csum,
9183 .set_rx_csum = bnx2x_set_rx_csum,
9184 .get_tx_csum = ethtool_op_get_tx_csum,
Eilon Greenstein755735e2008-06-23 20:35:13 -07009185 .set_tx_csum = ethtool_op_set_tx_hw_csum,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009186 .set_flags = bnx2x_set_flags,
9187 .get_flags = ethtool_op_get_flags,
9188 .get_sg = ethtool_op_get_sg,
9189 .set_sg = ethtool_op_set_sg,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009190 .get_tso = ethtool_op_get_tso,
9191 .set_tso = bnx2x_set_tso,
9192 .self_test_count = bnx2x_self_test_count,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009193 .self_test = bnx2x_self_test,
9194 .get_strings = bnx2x_get_strings,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009195 .phys_id = bnx2x_phys_id,
9196 .get_stats_count = bnx2x_get_stats_count,
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009197 .get_ethtool_stats = bnx2x_get_ethtool_stats,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009198};
9199
9200/* end of ethtool_ops */
9201
9202/****************************************************************************
9203* General service functions
9204****************************************************************************/
9205
9206static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
9207{
9208 u16 pmcsr;
9209
9210 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
9211
9212 switch (state) {
9213 case PCI_D0:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009214 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009215 ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
9216 PCI_PM_CTRL_PME_STATUS));
9217
9218 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
Eilon Greenstein33471622008-08-13 15:59:08 -07009219 /* delay required during transition out of D3hot */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009220 msleep(20);
9221 break;
9222
9223 case PCI_D3hot:
9224 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
9225 pmcsr |= 3;
9226
9227 if (bp->wol)
9228 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
9229
9230 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
9231 pmcsr);
9232
9233 /* No more memory access after this point until
9234 * device is brought back to D0.
9235 */
9236 break;
9237
9238 default:
9239 return -EINVAL;
9240 }
9241 return 0;
9242}
9243
9244/*
9245 * net_device service functions
9246 */
9247
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009248static int bnx2x_poll(struct napi_struct *napi, int budget)
9249{
9250 struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath,
9251 napi);
9252 struct bnx2x *bp = fp->bp;
9253 int work_done = 0;
9254
9255#ifdef BNX2X_STOP_ON_ERROR
9256 if (unlikely(bp->panic))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009257 goto poll_panic;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009258#endif
9259
9260 prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb);
9261 prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb);
9262 prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256);
9263
9264 bnx2x_update_fpsb_idx(fp);
9265
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009266 if (BNX2X_HAS_TX_WORK(fp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009267 bnx2x_tx_int(fp, budget);
9268
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009269 if (BNX2X_HAS_RX_WORK(fp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009270 work_done = bnx2x_rx_int(fp, budget);
9271
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009272 rmb(); /* BNX2X_HAS_WORK() reads the status block */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009273
9274 /* must not complete if we consumed full budget */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009275 if ((work_done < budget) && !BNX2X_HAS_WORK(fp)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009276
9277#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009278poll_panic:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009279#endif
9280 netif_rx_complete(bp->dev, napi);
9281
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009282 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009283 le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009284 bnx2x_ack_sb(bp, FP_SB_ID(fp), CSTORM_ID,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009285 le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
9286 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009287 return work_done;
9288}
9289
Eilon Greenstein755735e2008-06-23 20:35:13 -07009290
9291/* we split the first BD into headers and data BDs
Eilon Greenstein33471622008-08-13 15:59:08 -07009292 * to ease the pain of our fellow microcode engineers
Eilon Greenstein755735e2008-06-23 20:35:13 -07009293 * we use one mapping for both BDs
9294 * So far this has only been observed to happen
9295 * in Other Operating Systems(TM)
9296 */
9297static noinline u16 bnx2x_tx_split(struct bnx2x *bp,
9298 struct bnx2x_fastpath *fp,
9299 struct eth_tx_bd **tx_bd, u16 hlen,
9300 u16 bd_prod, int nbd)
9301{
9302 struct eth_tx_bd *h_tx_bd = *tx_bd;
9303 struct eth_tx_bd *d_tx_bd;
9304 dma_addr_t mapping;
9305 int old_len = le16_to_cpu(h_tx_bd->nbytes);
9306
9307 /* first fix first BD */
9308 h_tx_bd->nbd = cpu_to_le16(nbd);
9309 h_tx_bd->nbytes = cpu_to_le16(hlen);
9310
9311 DP(NETIF_MSG_TX_QUEUED, "TSO split header size is %d "
9312 "(%x:%x) nbd %d\n", h_tx_bd->nbytes, h_tx_bd->addr_hi,
9313 h_tx_bd->addr_lo, h_tx_bd->nbd);
9314
9315 /* now get a new data BD
9316 * (after the pbd) and fill it */
9317 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9318 d_tx_bd = &fp->tx_desc_ring[bd_prod];
9319
9320 mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi),
9321 le32_to_cpu(h_tx_bd->addr_lo)) + hlen;
9322
9323 d_tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9324 d_tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9325 d_tx_bd->nbytes = cpu_to_le16(old_len - hlen);
9326 d_tx_bd->vlan = 0;
9327 /* this marks the BD as one that has no individual mapping
9328 * the FW ignores this flag in a BD not marked start
9329 */
9330 d_tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO;
9331 DP(NETIF_MSG_TX_QUEUED,
9332 "TSO split data size is %d (%x:%x)\n",
9333 d_tx_bd->nbytes, d_tx_bd->addr_hi, d_tx_bd->addr_lo);
9334
9335 /* update tx_bd for marking the last BD flag */
9336 *tx_bd = d_tx_bd;
9337
9338 return bd_prod;
9339}
9340
9341static inline u16 bnx2x_csum_fix(unsigned char *t_header, u16 csum, s8 fix)
9342{
9343 if (fix > 0)
9344 csum = (u16) ~csum_fold(csum_sub(csum,
9345 csum_partial(t_header - fix, fix, 0)));
9346
9347 else if (fix < 0)
9348 csum = (u16) ~csum_fold(csum_add(csum,
9349 csum_partial(t_header, -fix, 0)));
9350
9351 return swab16(csum);
9352}
9353
9354static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
9355{
9356 u32 rc;
9357
9358 if (skb->ip_summed != CHECKSUM_PARTIAL)
9359 rc = XMIT_PLAIN;
9360
9361 else {
9362 if (skb->protocol == ntohs(ETH_P_IPV6)) {
9363 rc = XMIT_CSUM_V6;
9364 if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
9365 rc |= XMIT_CSUM_TCP;
9366
9367 } else {
9368 rc = XMIT_CSUM_V4;
9369 if (ip_hdr(skb)->protocol == IPPROTO_TCP)
9370 rc |= XMIT_CSUM_TCP;
9371 }
9372 }
9373
9374 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4)
9375 rc |= XMIT_GSO_V4;
9376
9377 else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
9378 rc |= XMIT_GSO_V6;
9379
9380 return rc;
9381}
9382
9383/* check if packet requires linearization (packet is too fragmented) */
9384static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
9385 u32 xmit_type)
9386{
9387 int to_copy = 0;
9388 int hlen = 0;
9389 int first_bd_sz = 0;
9390
9391 /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
9392 if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) {
9393
9394 if (xmit_type & XMIT_GSO) {
9395 unsigned short lso_mss = skb_shinfo(skb)->gso_size;
9396 /* Check if LSO packet needs to be copied:
9397 3 = 1 (for headers BD) + 2 (for PBD and last BD) */
9398 int wnd_size = MAX_FETCH_BD - 3;
Eilon Greenstein33471622008-08-13 15:59:08 -07009399 /* Number of windows to check */
Eilon Greenstein755735e2008-06-23 20:35:13 -07009400 int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size;
9401 int wnd_idx = 0;
9402 int frag_idx = 0;
9403 u32 wnd_sum = 0;
9404
9405 /* Headers length */
9406 hlen = (int)(skb_transport_header(skb) - skb->data) +
9407 tcp_hdrlen(skb);
9408
9409 /* Amount of data (w/o headers) on linear part of SKB*/
9410 first_bd_sz = skb_headlen(skb) - hlen;
9411
9412 wnd_sum = first_bd_sz;
9413
9414 /* Calculate the first sum - it's special */
9415 for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++)
9416 wnd_sum +=
9417 skb_shinfo(skb)->frags[frag_idx].size;
9418
9419 /* If there was data on linear skb data - check it */
9420 if (first_bd_sz > 0) {
9421 if (unlikely(wnd_sum < lso_mss)) {
9422 to_copy = 1;
9423 goto exit_lbl;
9424 }
9425
9426 wnd_sum -= first_bd_sz;
9427 }
9428
9429 /* Others are easier: run through the frag list and
9430 check all windows */
9431 for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) {
9432 wnd_sum +=
9433 skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size;
9434
9435 if (unlikely(wnd_sum < lso_mss)) {
9436 to_copy = 1;
9437 break;
9438 }
9439 wnd_sum -=
9440 skb_shinfo(skb)->frags[wnd_idx].size;
9441 }
9442
9443 } else {
9444 /* in non-LSO too fragmented packet should always
9445 be linearized */
9446 to_copy = 1;
9447 }
9448 }
9449
9450exit_lbl:
9451 if (unlikely(to_copy))
9452 DP(NETIF_MSG_TX_QUEUED,
9453 "Linearization IS REQUIRED for %s packet. "
9454 "num_frags %d hlen %d first_bd_sz %d\n",
9455 (xmit_type & XMIT_GSO) ? "LSO" : "non-LSO",
9456 skb_shinfo(skb)->nr_frags, hlen, first_bd_sz);
9457
9458 return to_copy;
9459}
9460
9461/* called with netif_tx_lock
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009462 * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call
Eilon Greenstein755735e2008-06-23 20:35:13 -07009463 * netif_wake_queue()
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009464 */
9465static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
9466{
9467 struct bnx2x *bp = netdev_priv(dev);
9468 struct bnx2x_fastpath *fp;
9469 struct sw_tx_bd *tx_buf;
9470 struct eth_tx_bd *tx_bd;
9471 struct eth_tx_parse_bd *pbd = NULL;
9472 u16 pkt_prod, bd_prod;
Eilon Greenstein755735e2008-06-23 20:35:13 -07009473 int nbd, fp_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009474 dma_addr_t mapping;
Eilon Greenstein755735e2008-06-23 20:35:13 -07009475 u32 xmit_type = bnx2x_xmit_type(bp, skb);
9476 int vlan_off = (bp->e1hov ? 4 : 0);
9477 int i;
9478 u8 hlen = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009479
9480#ifdef BNX2X_STOP_ON_ERROR
9481 if (unlikely(bp->panic))
9482 return NETDEV_TX_BUSY;
9483#endif
9484
Eilon Greenstein755735e2008-06-23 20:35:13 -07009485 fp_index = (smp_processor_id() % bp->num_queues);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009486 fp = &bp->fp[fp_index];
Eilon Greenstein755735e2008-06-23 20:35:13 -07009487
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009488 if (unlikely(bnx2x_tx_avail(bp->fp) <
9489 (skb_shinfo(skb)->nr_frags + 3))) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009490 bp->eth_stats.driver_xoff++,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009491 netif_stop_queue(dev);
9492 BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
9493 return NETDEV_TX_BUSY;
9494 }
9495
Eilon Greenstein755735e2008-06-23 20:35:13 -07009496 DP(NETIF_MSG_TX_QUEUED, "SKB: summed %x protocol %x protocol(%x,%x)"
9497 " gso type %x xmit_type %x\n",
9498 skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr,
9499 ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type);
9500
Eilon Greenstein33471622008-08-13 15:59:08 -07009501 /* First, check if we need to linearize the skb
Eilon Greenstein755735e2008-06-23 20:35:13 -07009502 (due to FW restrictions) */
9503 if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) {
9504 /* Statistics of linearization */
9505 bp->lin_cnt++;
9506 if (skb_linearize(skb) != 0) {
9507 DP(NETIF_MSG_TX_QUEUED, "SKB linearization failed - "
9508 "silently dropping this SKB\n");
9509 dev_kfree_skb_any(skb);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009510 return NETDEV_TX_OK;
Eilon Greenstein755735e2008-06-23 20:35:13 -07009511 }
9512 }
9513
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009514 /*
Eilon Greenstein755735e2008-06-23 20:35:13 -07009515 Please read carefully. First we use one BD which we mark as start,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009516 then for TSO or xsum we have a parsing info BD,
Eilon Greenstein755735e2008-06-23 20:35:13 -07009517 and only then we have the rest of the TSO BDs.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009518 (don't forget to mark the last one as last,
9519 and to unmap only AFTER you write to the BD ...)
Eilon Greenstein755735e2008-06-23 20:35:13 -07009520 And above all, all pdb sizes are in words - NOT DWORDS!
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009521 */
9522
9523 pkt_prod = fp->tx_pkt_prod++;
Eilon Greenstein755735e2008-06-23 20:35:13 -07009524 bd_prod = TX_BD(fp->tx_bd_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009525
Eilon Greenstein755735e2008-06-23 20:35:13 -07009526 /* get a tx_buf and first BD */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009527 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
9528 tx_bd = &fp->tx_desc_ring[bd_prod];
9529
9530 tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
9531 tx_bd->general_data = (UNICAST_ADDRESS <<
9532 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT);
Eilon Greenstein3196a882008-08-13 15:58:49 -07009533 /* header nbd */
9534 tx_bd->general_data |= (1 << ETH_TX_BD_HDR_NBDS_SHIFT);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009535
Eilon Greenstein755735e2008-06-23 20:35:13 -07009536 /* remember the first BD of the packet */
9537 tx_buf->first_bd = fp->tx_bd_prod;
9538 tx_buf->skb = skb;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009539
9540 DP(NETIF_MSG_TX_QUEUED,
9541 "sending pkt %u @%p next_idx %u bd %u @%p\n",
9542 pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_bd);
9543
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009544 if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb)) {
9545 tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb));
9546 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG;
Eilon Greenstein755735e2008-06-23 20:35:13 -07009547 vlan_off += 4;
9548 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009549 tx_bd->vlan = cpu_to_le16(pkt_prod);
Eilon Greenstein755735e2008-06-23 20:35:13 -07009550
9551 if (xmit_type) {
9552
9553 /* turn on parsing and get a BD */
9554 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9555 pbd = (void *)&fp->tx_desc_ring[bd_prod];
9556
9557 memset(pbd, 0, sizeof(struct eth_tx_parse_bd));
9558 }
9559
9560 if (xmit_type & XMIT_CSUM) {
9561 hlen = (skb_network_header(skb) - skb->data + vlan_off) / 2;
9562
9563 /* for now NS flag is not used in Linux */
9564 pbd->global_data = (hlen |
9565 ((skb->protocol == ntohs(ETH_P_8021Q)) <<
9566 ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT));
9567
9568 pbd->ip_hlen = (skb_transport_header(skb) -
9569 skb_network_header(skb)) / 2;
9570
9571 hlen += pbd->ip_hlen + tcp_hdrlen(skb) / 2;
9572
9573 pbd->total_hlen = cpu_to_le16(hlen);
9574 hlen = hlen*2 - vlan_off;
9575
9576 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM;
9577
9578 if (xmit_type & XMIT_CSUM_V4)
9579 tx_bd->bd_flags.as_bitfield |=
9580 ETH_TX_BD_FLAGS_IP_CSUM;
9581 else
9582 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IPV6;
9583
9584 if (xmit_type & XMIT_CSUM_TCP) {
9585 pbd->tcp_pseudo_csum = swab16(tcp_hdr(skb)->check);
9586
9587 } else {
9588 s8 fix = SKB_CS_OFF(skb); /* signed! */
9589
9590 pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG;
9591 pbd->cs_offset = fix / 2;
9592
9593 DP(NETIF_MSG_TX_QUEUED,
9594 "hlen %d offset %d fix %d csum before fix %x\n",
9595 le16_to_cpu(pbd->total_hlen), pbd->cs_offset, fix,
9596 SKB_CS(skb));
9597
9598 /* HW bug: fixup the CSUM */
9599 pbd->tcp_pseudo_csum =
9600 bnx2x_csum_fix(skb_transport_header(skb),
9601 SKB_CS(skb), fix);
9602
9603 DP(NETIF_MSG_TX_QUEUED, "csum after fix %x\n",
9604 pbd->tcp_pseudo_csum);
9605 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009606 }
9607
9608 mapping = pci_map_single(bp->pdev, skb->data,
Eilon Greenstein755735e2008-06-23 20:35:13 -07009609 skb_headlen(skb), PCI_DMA_TODEVICE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009610
9611 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9612 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9613 nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL)? 1 : 2);
9614 tx_bd->nbd = cpu_to_le16(nbd);
9615 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
9616
9617 DP(NETIF_MSG_TX_QUEUED, "first bd @%p addr (%x:%x) nbd %d"
Eilon Greenstein755735e2008-06-23 20:35:13 -07009618 " nbytes %d flags %x vlan %x\n",
9619 tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, le16_to_cpu(tx_bd->nbd),
9620 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield,
9621 le16_to_cpu(tx_bd->vlan));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009622
Eilon Greenstein755735e2008-06-23 20:35:13 -07009623 if (xmit_type & XMIT_GSO) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009624
9625 DP(NETIF_MSG_TX_QUEUED,
9626 "TSO packet len %d hlen %d total len %d tso size %d\n",
9627 skb->len, hlen, skb_headlen(skb),
9628 skb_shinfo(skb)->gso_size);
9629
9630 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO;
9631
Eilon Greenstein755735e2008-06-23 20:35:13 -07009632 if (unlikely(skb_headlen(skb) > hlen))
9633 bd_prod = bnx2x_tx_split(bp, fp, &tx_bd, hlen,
9634 bd_prod, ++nbd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009635
9636 pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
9637 pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq);
Eilon Greenstein755735e2008-06-23 20:35:13 -07009638 pbd->tcp_flags = pbd_tcp_flags(skb);
9639
9640 if (xmit_type & XMIT_GSO_V4) {
9641 pbd->ip_id = swab16(ip_hdr(skb)->id);
9642 pbd->tcp_pseudo_csum =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009643 swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr,
9644 ip_hdr(skb)->daddr,
9645 0, IPPROTO_TCP, 0));
Eilon Greenstein755735e2008-06-23 20:35:13 -07009646
9647 } else
9648 pbd->tcp_pseudo_csum =
9649 swab16(~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
9650 &ipv6_hdr(skb)->daddr,
9651 0, IPPROTO_TCP, 0));
9652
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009653 pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN;
9654 }
9655
Eilon Greenstein755735e2008-06-23 20:35:13 -07009656 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
9657 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009658
Eilon Greenstein755735e2008-06-23 20:35:13 -07009659 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9660 tx_bd = &fp->tx_desc_ring[bd_prod];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009661
Eilon Greenstein755735e2008-06-23 20:35:13 -07009662 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
9663 frag->size, PCI_DMA_TODEVICE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009664
Eilon Greenstein755735e2008-06-23 20:35:13 -07009665 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9666 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9667 tx_bd->nbytes = cpu_to_le16(frag->size);
9668 tx_bd->vlan = cpu_to_le16(pkt_prod);
9669 tx_bd->bd_flags.as_bitfield = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009670
Eilon Greenstein755735e2008-06-23 20:35:13 -07009671 DP(NETIF_MSG_TX_QUEUED,
9672 "frag %d bd @%p addr (%x:%x) nbytes %d flags %x\n",
9673 i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo,
9674 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009675 }
9676
Eilon Greenstein755735e2008-06-23 20:35:13 -07009677 /* now at last mark the BD as the last BD */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009678 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD;
9679
9680 DP(NETIF_MSG_TX_QUEUED, "last bd @%p flags %x\n",
9681 tx_bd, tx_bd->bd_flags.as_bitfield);
9682
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009683 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9684
Eilon Greenstein755735e2008-06-23 20:35:13 -07009685 /* now send a tx doorbell, counting the next BD
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009686 * if the packet contains or ends with it
9687 */
9688 if (TX_BD_POFF(bd_prod) < nbd)
9689 nbd++;
9690
9691 if (pbd)
9692 DP(NETIF_MSG_TX_QUEUED,
9693 "PBD @%p ip_data %x ip_hlen %u ip_id %u lso_mss %u"
9694 " tcp_flags %x xsum %x seq %u hlen %u\n",
9695 pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id,
9696 pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum,
Eilon Greenstein755735e2008-06-23 20:35:13 -07009697 pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009698
Eilon Greenstein755735e2008-06-23 20:35:13 -07009699 DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d bd %u\n", nbd, bd_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009700
Eliezer Tamir96fc1782008-02-28 11:57:55 -08009701 fp->hw_tx_prods->bds_prod =
9702 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + nbd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009703 mb(); /* FW restriction: must not reorder writing nbd and packets */
Eliezer Tamir96fc1782008-02-28 11:57:55 -08009704 fp->hw_tx_prods->packets_prod =
9705 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
Eilon Greenstein755735e2008-06-23 20:35:13 -07009706 DOORBELL(bp, FP_IDX(fp), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009707
9708 mmiowb();
9709
Eilon Greenstein755735e2008-06-23 20:35:13 -07009710 fp->tx_bd_prod += nbd;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009711 dev->trans_start = jiffies;
9712
9713 if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
9714 netif_stop_queue(dev);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009715 bp->eth_stats.driver_xoff++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009716 if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
9717 netif_wake_queue(dev);
9718 }
9719 fp->tx_pkt++;
9720
9721 return NETDEV_TX_OK;
9722}
9723
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009724/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009725static int bnx2x_open(struct net_device *dev)
9726{
9727 struct bnx2x *bp = netdev_priv(dev);
9728
9729 bnx2x_set_power_state(bp, PCI_D0);
9730
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009731 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009732}
9733
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009734/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009735static int bnx2x_close(struct net_device *dev)
9736{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009737 struct bnx2x *bp = netdev_priv(dev);
9738
9739 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009740 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
9741 if (atomic_read(&bp->pdev->enable_cnt) == 1)
9742 if (!CHIP_REV_IS_SLOW(bp))
9743 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009744
9745 return 0;
9746}
9747
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009748/* called with netif_tx_lock from set_multicast */
9749static void bnx2x_set_rx_mode(struct net_device *dev)
9750{
9751 struct bnx2x *bp = netdev_priv(dev);
9752 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
9753 int port = BP_PORT(bp);
9754
9755 if (bp->state != BNX2X_STATE_OPEN) {
9756 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
9757 return;
9758 }
9759
9760 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
9761
9762 if (dev->flags & IFF_PROMISC)
9763 rx_mode = BNX2X_RX_MODE_PROMISC;
9764
9765 else if ((dev->flags & IFF_ALLMULTI) ||
9766 ((dev->mc_count > BNX2X_MAX_MULTICAST) && CHIP_IS_E1(bp)))
9767 rx_mode = BNX2X_RX_MODE_ALLMULTI;
9768
9769 else { /* some multicasts */
9770 if (CHIP_IS_E1(bp)) {
9771 int i, old, offset;
9772 struct dev_mc_list *mclist;
9773 struct mac_configuration_cmd *config =
9774 bnx2x_sp(bp, mcast_config);
9775
9776 for (i = 0, mclist = dev->mc_list;
9777 mclist && (i < dev->mc_count);
9778 i++, mclist = mclist->next) {
9779
9780 config->config_table[i].
9781 cam_entry.msb_mac_addr =
9782 swab16(*(u16 *)&mclist->dmi_addr[0]);
9783 config->config_table[i].
9784 cam_entry.middle_mac_addr =
9785 swab16(*(u16 *)&mclist->dmi_addr[2]);
9786 config->config_table[i].
9787 cam_entry.lsb_mac_addr =
9788 swab16(*(u16 *)&mclist->dmi_addr[4]);
9789 config->config_table[i].cam_entry.flags =
9790 cpu_to_le16(port);
9791 config->config_table[i].
9792 target_table_entry.flags = 0;
9793 config->config_table[i].
9794 target_table_entry.client_id = 0;
9795 config->config_table[i].
9796 target_table_entry.vlan_id = 0;
9797
9798 DP(NETIF_MSG_IFUP,
9799 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
9800 config->config_table[i].
9801 cam_entry.msb_mac_addr,
9802 config->config_table[i].
9803 cam_entry.middle_mac_addr,
9804 config->config_table[i].
9805 cam_entry.lsb_mac_addr);
9806 }
9807 old = config->hdr.length_6b;
9808 if (old > i) {
9809 for (; i < old; i++) {
9810 if (CAM_IS_INVALID(config->
9811 config_table[i])) {
9812 i--; /* already invalidated */
9813 break;
9814 }
9815 /* invalidate */
9816 CAM_INVALIDATE(config->
9817 config_table[i]);
9818 }
9819 }
9820
9821 if (CHIP_REV_IS_SLOW(bp))
9822 offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
9823 else
9824 offset = BNX2X_MAX_MULTICAST*(1 + port);
9825
9826 config->hdr.length_6b = i;
9827 config->hdr.offset = offset;
9828 config->hdr.client_id = BP_CL_ID(bp);
9829 config->hdr.reserved1 = 0;
9830
9831 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
9832 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
9833 U64_LO(bnx2x_sp_mapping(bp, mcast_config)),
9834 0);
9835 } else { /* E1H */
9836 /* Accept one or more multicasts */
9837 struct dev_mc_list *mclist;
9838 u32 mc_filter[MC_HASH_SIZE];
9839 u32 crc, bit, regidx;
9840 int i;
9841
9842 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
9843
9844 for (i = 0, mclist = dev->mc_list;
9845 mclist && (i < dev->mc_count);
9846 i++, mclist = mclist->next) {
9847
9848 DP(NETIF_MSG_IFUP, "Adding mcast MAC: "
9849 "%02x:%02x:%02x:%02x:%02x:%02x\n",
9850 mclist->dmi_addr[0], mclist->dmi_addr[1],
9851 mclist->dmi_addr[2], mclist->dmi_addr[3],
9852 mclist->dmi_addr[4], mclist->dmi_addr[5]);
9853
9854 crc = crc32c_le(0, mclist->dmi_addr, ETH_ALEN);
9855 bit = (crc >> 24) & 0xff;
9856 regidx = bit >> 5;
9857 bit &= 0x1f;
9858 mc_filter[regidx] |= (1 << bit);
9859 }
9860
9861 for (i = 0; i < MC_HASH_SIZE; i++)
9862 REG_WR(bp, MC_HASH_OFFSET(bp, i),
9863 mc_filter[i]);
9864 }
9865 }
9866
9867 bp->rx_mode = rx_mode;
9868 bnx2x_set_storm_rx_mode(bp);
9869}
9870
9871/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009872static int bnx2x_change_mac_addr(struct net_device *dev, void *p)
9873{
9874 struct sockaddr *addr = p;
9875 struct bnx2x *bp = netdev_priv(dev);
9876
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009877 if (!is_valid_ether_addr((u8 *)(addr->sa_data)))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009878 return -EINVAL;
9879
9880 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009881 if (netif_running(dev)) {
9882 if (CHIP_IS_E1(bp))
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07009883 bnx2x_set_mac_addr_e1(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009884 else
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07009885 bnx2x_set_mac_addr_e1h(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009886 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009887
9888 return 0;
9889}
9890
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009891/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009892static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9893{
9894 struct mii_ioctl_data *data = if_mii(ifr);
9895 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein3196a882008-08-13 15:58:49 -07009896 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009897 int err;
9898
9899 switch (cmd) {
9900 case SIOCGMIIPHY:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009901 data->phy_id = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009902
Eliezer Tamirc14423f2008-02-28 11:49:42 -08009903 /* fallthrough */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009904
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009905 case SIOCGMIIREG: {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009906 u16 mii_regval;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009907
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009908 if (!netif_running(dev))
9909 return -EAGAIN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009910
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009911 mutex_lock(&bp->port.phy_mutex);
Eilon Greenstein3196a882008-08-13 15:58:49 -07009912 err = bnx2x_cl45_read(bp, port, 0, bp->port.phy_addr,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009913 DEFAULT_PHY_DEV_ADDR,
9914 (data->reg_num & 0x1f), &mii_regval);
9915 data->val_out = mii_regval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009916 mutex_unlock(&bp->port.phy_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009917 return err;
9918 }
9919
9920 case SIOCSMIIREG:
9921 if (!capable(CAP_NET_ADMIN))
9922 return -EPERM;
9923
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009924 if (!netif_running(dev))
9925 return -EAGAIN;
9926
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009927 mutex_lock(&bp->port.phy_mutex);
Eilon Greenstein3196a882008-08-13 15:58:49 -07009928 err = bnx2x_cl45_write(bp, port, 0, bp->port.phy_addr,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009929 DEFAULT_PHY_DEV_ADDR,
9930 (data->reg_num & 0x1f), data->val_in);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009931 mutex_unlock(&bp->port.phy_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009932 return err;
9933
9934 default:
9935 /* do nothing */
9936 break;
9937 }
9938
9939 return -EOPNOTSUPP;
9940}
9941
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009942/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009943static int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
9944{
9945 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009946 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009947
9948 if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) ||
9949 ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE))
9950 return -EINVAL;
9951
9952 /* This does not race with packet allocation
Eliezer Tamirc14423f2008-02-28 11:49:42 -08009953 * because the actual alloc size is
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009954 * only updated as part of load
9955 */
9956 dev->mtu = new_mtu;
9957
9958 if (netif_running(dev)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009959 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
9960 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009961 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009962
9963 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009964}
9965
9966static void bnx2x_tx_timeout(struct net_device *dev)
9967{
9968 struct bnx2x *bp = netdev_priv(dev);
9969
9970#ifdef BNX2X_STOP_ON_ERROR
9971 if (!bp->panic)
9972 bnx2x_panic();
9973#endif
9974 /* This allows the netif to be shutdown gracefully before resetting */
9975 schedule_work(&bp->reset_task);
9976}
9977
9978#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009979/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009980static void bnx2x_vlan_rx_register(struct net_device *dev,
9981 struct vlan_group *vlgrp)
9982{
9983 struct bnx2x *bp = netdev_priv(dev);
9984
9985 bp->vlgrp = vlgrp;
9986 if (netif_running(dev))
Eliezer Tamir49d66772008-02-28 11:53:13 -08009987 bnx2x_set_client_config(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009988}
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009989
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009990#endif
9991
9992#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
9993static void poll_bnx2x(struct net_device *dev)
9994{
9995 struct bnx2x *bp = netdev_priv(dev);
9996
9997 disable_irq(bp->pdev->irq);
9998 bnx2x_interrupt(bp->pdev->irq, dev);
9999 enable_irq(bp->pdev->irq);
10000}
10001#endif
10002
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010003static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
10004 struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010005{
10006 struct bnx2x *bp;
10007 int rc;
10008
10009 SET_NETDEV_DEV(dev, &pdev->dev);
10010 bp = netdev_priv(dev);
10011
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010012 bp->dev = dev;
10013 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010014 bp->flags = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010015 bp->func = PCI_FUNC(pdev->devfn);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010016
10017 rc = pci_enable_device(pdev);
10018 if (rc) {
10019 printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n");
10020 goto err_out;
10021 }
10022
10023 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
10024 printk(KERN_ERR PFX "Cannot find PCI device base address,"
10025 " aborting\n");
10026 rc = -ENODEV;
10027 goto err_out_disable;
10028 }
10029
10030 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
10031 printk(KERN_ERR PFX "Cannot find second PCI device"
10032 " base address, aborting\n");
10033 rc = -ENODEV;
10034 goto err_out_disable;
10035 }
10036
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010037 if (atomic_read(&pdev->enable_cnt) == 1) {
10038 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
10039 if (rc) {
10040 printk(KERN_ERR PFX "Cannot obtain PCI resources,"
10041 " aborting\n");
10042 goto err_out_disable;
10043 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010044
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010045 pci_set_master(pdev);
10046 pci_save_state(pdev);
10047 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010048
10049 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
10050 if (bp->pm_cap == 0) {
10051 printk(KERN_ERR PFX "Cannot find power management"
10052 " capability, aborting\n");
10053 rc = -EIO;
10054 goto err_out_release;
10055 }
10056
10057 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
10058 if (bp->pcie_cap == 0) {
10059 printk(KERN_ERR PFX "Cannot find PCI Express capability,"
10060 " aborting\n");
10061 rc = -EIO;
10062 goto err_out_release;
10063 }
10064
10065 if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
10066 bp->flags |= USING_DAC_FLAG;
10067 if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
10068 printk(KERN_ERR PFX "pci_set_consistent_dma_mask"
10069 " failed, aborting\n");
10070 rc = -EIO;
10071 goto err_out_release;
10072 }
10073
10074 } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
10075 printk(KERN_ERR PFX "System does not support DMA,"
10076 " aborting\n");
10077 rc = -EIO;
10078 goto err_out_release;
10079 }
10080
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010081 dev->mem_start = pci_resource_start(pdev, 0);
10082 dev->base_addr = dev->mem_start;
10083 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010084
10085 dev->irq = pdev->irq;
10086
10087 bp->regview = ioremap_nocache(dev->base_addr,
10088 pci_resource_len(pdev, 0));
10089 if (!bp->regview) {
10090 printk(KERN_ERR PFX "Cannot map register space, aborting\n");
10091 rc = -ENOMEM;
10092 goto err_out_release;
10093 }
10094
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010095 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
10096 min_t(u64, BNX2X_DB_SIZE,
10097 pci_resource_len(pdev, 2)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010098 if (!bp->doorbells) {
10099 printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n");
10100 rc = -ENOMEM;
10101 goto err_out_unmap;
10102 }
10103
10104 bnx2x_set_power_state(bp, PCI_D0);
10105
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010106 /* clean indirect addresses */
10107 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
10108 PCICFG_VENDOR_ID_OFFSET);
10109 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
10110 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
10111 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
10112 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010113
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010114 dev->hard_start_xmit = bnx2x_start_xmit;
10115 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010116
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010117 dev->ethtool_ops = &bnx2x_ethtool_ops;
10118 dev->open = bnx2x_open;
10119 dev->stop = bnx2x_close;
10120 dev->set_multicast_list = bnx2x_set_rx_mode;
10121 dev->set_mac_address = bnx2x_change_mac_addr;
10122 dev->do_ioctl = bnx2x_ioctl;
10123 dev->change_mtu = bnx2x_change_mtu;
10124 dev->tx_timeout = bnx2x_tx_timeout;
10125#ifdef BCM_VLAN
10126 dev->vlan_rx_register = bnx2x_vlan_rx_register;
10127#endif
10128#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
10129 dev->poll_controller = poll_bnx2x;
10130#endif
10131 dev->features |= NETIF_F_SG;
10132 dev->features |= NETIF_F_HW_CSUM;
10133 if (bp->flags & USING_DAC_FLAG)
10134 dev->features |= NETIF_F_HIGHDMA;
10135#ifdef BCM_VLAN
10136 dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
10137#endif
10138 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735e2008-06-23 20:35:13 -070010139 dev->features |= NETIF_F_TSO6;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010140
10141 return 0;
10142
10143err_out_unmap:
10144 if (bp->regview) {
10145 iounmap(bp->regview);
10146 bp->regview = NULL;
10147 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010148 if (bp->doorbells) {
10149 iounmap(bp->doorbells);
10150 bp->doorbells = NULL;
10151 }
10152
10153err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010154 if (atomic_read(&pdev->enable_cnt) == 1)
10155 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010156
10157err_out_disable:
10158 pci_disable_device(pdev);
10159 pci_set_drvdata(pdev, NULL);
10160
10161err_out:
10162 return rc;
10163}
10164
Eliezer Tamir25047952008-02-28 11:50:16 -080010165static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp)
10166{
10167 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10168
10169 val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
10170 return val;
10171}
10172
10173/* return value of 1=2.5GHz 2=5GHz */
10174static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp)
10175{
10176 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10177
10178 val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
10179 return val;
10180}
10181
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010182static int __devinit bnx2x_init_one(struct pci_dev *pdev,
10183 const struct pci_device_id *ent)
10184{
10185 static int version_printed;
10186 struct net_device *dev = NULL;
10187 struct bnx2x *bp;
Eliezer Tamir25047952008-02-28 11:50:16 -080010188 int rc;
Eliezer Tamir25047952008-02-28 11:50:16 -080010189 DECLARE_MAC_BUF(mac);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010190
10191 if (version_printed++ == 0)
10192 printk(KERN_INFO "%s", version);
10193
10194 /* dev zeroed in init_etherdev */
10195 dev = alloc_etherdev(sizeof(*bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010196 if (!dev) {
10197 printk(KERN_ERR PFX "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010198 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010199 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010200
10201 netif_carrier_off(dev);
10202
10203 bp = netdev_priv(dev);
10204 bp->msglevel = debug;
10205
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010206 rc = bnx2x_init_dev(pdev, dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010207 if (rc < 0) {
10208 free_netdev(dev);
10209 return rc;
10210 }
10211
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010212 rc = register_netdev(dev);
10213 if (rc) {
Eliezer Tamirc14423f2008-02-28 11:49:42 -080010214 dev_err(&pdev->dev, "Cannot register net device\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010215 goto init_one_exit;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010216 }
10217
10218 pci_set_drvdata(pdev, dev);
10219
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010220 rc = bnx2x_init_bp(bp);
10221 if (rc) {
10222 unregister_netdev(dev);
10223 goto init_one_exit;
10224 }
10225
10226 bp->common.name = board_info[ent->driver_data].name;
Eliezer Tamir25047952008-02-28 11:50:16 -080010227 printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx,"
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010228 " IRQ %d, ", dev->name, bp->common.name,
10229 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
Eliezer Tamir25047952008-02-28 11:50:16 -080010230 bnx2x_get_pcie_width(bp),
10231 (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz",
10232 dev->base_addr, bp->pdev->irq);
10233 printk(KERN_CONT "node addr %s\n", print_mac(mac, dev->dev_addr));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010234 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010235
10236init_one_exit:
10237 if (bp->regview)
10238 iounmap(bp->regview);
10239
10240 if (bp->doorbells)
10241 iounmap(bp->doorbells);
10242
10243 free_netdev(dev);
10244
10245 if (atomic_read(&pdev->enable_cnt) == 1)
10246 pci_release_regions(pdev);
10247
10248 pci_disable_device(pdev);
10249 pci_set_drvdata(pdev, NULL);
10250
10251 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010252}
10253
10254static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
10255{
10256 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010257 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010258
Eliezer Tamir228241e2008-02-28 11:56:57 -080010259 if (!dev) {
Eliezer Tamir228241e2008-02-28 11:56:57 -080010260 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10261 return;
10262 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010263 bp = netdev_priv(dev);
10264
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010265 unregister_netdev(dev);
10266
10267 if (bp->regview)
10268 iounmap(bp->regview);
10269
10270 if (bp->doorbells)
10271 iounmap(bp->doorbells);
10272
10273 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010274
10275 if (atomic_read(&pdev->enable_cnt) == 1)
10276 pci_release_regions(pdev);
10277
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010278 pci_disable_device(pdev);
10279 pci_set_drvdata(pdev, NULL);
10280}
10281
10282static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
10283{
10284 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010285 struct bnx2x *bp;
10286
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010287 if (!dev) {
10288 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10289 return -ENODEV;
10290 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010291 bp = netdev_priv(dev);
10292
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010293 rtnl_lock();
10294
10295 pci_save_state(pdev);
10296
10297 if (!netif_running(dev)) {
10298 rtnl_unlock();
10299 return 0;
10300 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010301
10302 netif_device_detach(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010303
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -070010304 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010305
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010306 bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
Eliezer Tamir228241e2008-02-28 11:56:57 -080010307
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010308 rtnl_unlock();
10309
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010310 return 0;
10311}
10312
10313static int bnx2x_resume(struct pci_dev *pdev)
10314{
10315 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010316 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010317 int rc;
10318
Eliezer Tamir228241e2008-02-28 11:56:57 -080010319 if (!dev) {
10320 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10321 return -ENODEV;
10322 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010323 bp = netdev_priv(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010324
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010325 rtnl_lock();
10326
Eliezer Tamir228241e2008-02-28 11:56:57 -080010327 pci_restore_state(pdev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010328
10329 if (!netif_running(dev)) {
10330 rtnl_unlock();
10331 return 0;
10332 }
10333
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010334 bnx2x_set_power_state(bp, PCI_D0);
10335 netif_device_attach(dev);
10336
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -070010337 rc = bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010338
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010339 rtnl_unlock();
10340
10341 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010342}
10343
Wendy Xiong493adb12008-06-23 20:36:22 -070010344/**
10345 * bnx2x_io_error_detected - called when PCI error is detected
10346 * @pdev: Pointer to PCI device
10347 * @state: The current pci connection state
10348 *
10349 * This function is called after a PCI bus error affecting
10350 * this device has been detected.
10351 */
10352static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
10353 pci_channel_state_t state)
10354{
10355 struct net_device *dev = pci_get_drvdata(pdev);
10356 struct bnx2x *bp = netdev_priv(dev);
10357
10358 rtnl_lock();
10359
10360 netif_device_detach(dev);
10361
10362 if (netif_running(dev))
10363 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
10364
10365 pci_disable_device(pdev);
10366
10367 rtnl_unlock();
10368
10369 /* Request a slot reset */
10370 return PCI_ERS_RESULT_NEED_RESET;
10371}
10372
10373/**
10374 * bnx2x_io_slot_reset - called after the PCI bus has been reset
10375 * @pdev: Pointer to PCI device
10376 *
10377 * Restart the card from scratch, as if from a cold-boot.
10378 */
10379static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
10380{
10381 struct net_device *dev = pci_get_drvdata(pdev);
10382 struct bnx2x *bp = netdev_priv(dev);
10383
10384 rtnl_lock();
10385
10386 if (pci_enable_device(pdev)) {
10387 dev_err(&pdev->dev,
10388 "Cannot re-enable PCI device after reset\n");
10389 rtnl_unlock();
10390 return PCI_ERS_RESULT_DISCONNECT;
10391 }
10392
10393 pci_set_master(pdev);
10394 pci_restore_state(pdev);
10395
10396 if (netif_running(dev))
10397 bnx2x_set_power_state(bp, PCI_D0);
10398
10399 rtnl_unlock();
10400
10401 return PCI_ERS_RESULT_RECOVERED;
10402}
10403
10404/**
10405 * bnx2x_io_resume - called when traffic can start flowing again
10406 * @pdev: Pointer to PCI device
10407 *
10408 * This callback is called when the error recovery driver tells us that
10409 * its OK to resume normal operation.
10410 */
10411static void bnx2x_io_resume(struct pci_dev *pdev)
10412{
10413 struct net_device *dev = pci_get_drvdata(pdev);
10414 struct bnx2x *bp = netdev_priv(dev);
10415
10416 rtnl_lock();
10417
10418 if (netif_running(dev))
10419 bnx2x_nic_load(bp, LOAD_OPEN);
10420
10421 netif_device_attach(dev);
10422
10423 rtnl_unlock();
10424}
10425
10426static struct pci_error_handlers bnx2x_err_handler = {
10427 .error_detected = bnx2x_io_error_detected,
10428 .slot_reset = bnx2x_io_slot_reset,
10429 .resume = bnx2x_io_resume,
10430};
10431
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010432static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070010433 .name = DRV_MODULE_NAME,
10434 .id_table = bnx2x_pci_tbl,
10435 .probe = bnx2x_init_one,
10436 .remove = __devexit_p(bnx2x_remove_one),
10437 .suspend = bnx2x_suspend,
10438 .resume = bnx2x_resume,
10439 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010440};
10441
10442static int __init bnx2x_init(void)
10443{
10444 return pci_register_driver(&bnx2x_pci_driver);
10445}
10446
10447static void __exit bnx2x_cleanup(void)
10448{
10449 pci_unregister_driver(&bnx2x_pci_driver);
10450}
10451
10452module_init(bnx2x_init);
10453module_exit(bnx2x_cleanup);
10454