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Eilon Greenstein34f80b02008-06-23 20:33:01 -07001/* bnx2x_main.c: Broadcom Everest network driver.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002 *
Eliezer Tamirf1410642008-02-28 11:51:50 -08003 * Copyright (c) 2007-2008 Broadcom Corporation
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
Eilon Greenstein24e3fce2008-06-12 14:30:28 -07009 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011 * Based on code from Michael Chan's bnx2 driver
12 * UDP CSUM errata workaround by Arik Gendelman
13 * Slowpath rework by Vladislav Zolotarov
Eliezer Tamirc14423f2008-02-28 11:49:42 -080014 * Statistics and Link management by Yitchak Gertner
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020015 *
16 */
17
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020018#include <linux/module.h>
19#include <linux/moduleparam.h>
20#include <linux/kernel.h>
21#include <linux/device.h> /* for dev_info() */
22#include <linux/timer.h>
23#include <linux/errno.h>
24#include <linux/ioport.h>
25#include <linux/slab.h>
26#include <linux/vmalloc.h>
27#include <linux/interrupt.h>
28#include <linux/pci.h>
29#include <linux/init.h>
30#include <linux/netdevice.h>
31#include <linux/etherdevice.h>
32#include <linux/skbuff.h>
33#include <linux/dma-mapping.h>
34#include <linux/bitops.h>
35#include <linux/irq.h>
36#include <linux/delay.h>
37#include <asm/byteorder.h>
38#include <linux/time.h>
39#include <linux/ethtool.h>
40#include <linux/mii.h>
41#ifdef NETIF_F_HW_VLAN_TX
42 #include <linux/if_vlan.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020043#endif
44#include <net/ip.h>
45#include <net/tcp.h>
46#include <net/checksum.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070047#include <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
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700558 start = 0;
559 end = RX_SGE_CNT*NUM_RX_SGE_PAGES;
560 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
888static void bnx2x_sp_event(struct bnx2x_fastpath *fp,
889 union eth_rx_cqe *rr_cqe)
890{
891 struct bnx2x *bp = fp->bp;
892 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
893 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
894
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700895 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200896 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700897 FP_IDX(fp), cid, command, bp->state,
898 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200899
900 bp->spq_left++;
901
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700902 if (FP_IDX(fp)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200903 switch (command | fp->state) {
904 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP |
905 BNX2X_FP_STATE_OPENING):
906 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n",
907 cid);
908 fp->state = BNX2X_FP_STATE_OPEN;
909 break;
910
911 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
912 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n",
913 cid);
914 fp->state = BNX2X_FP_STATE_HALTED;
915 break;
916
917 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700918 BNX2X_ERR("unexpected MC reply (%d) "
919 "fp->state is %x\n", command, fp->state);
920 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200921 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700922 mb(); /* force bnx2x_wait_ramrod() to see the change */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200923 return;
924 }
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800925
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200926 switch (command | bp->state) {
927 case (RAMROD_CMD_ID_ETH_PORT_SETUP | BNX2X_STATE_OPENING_WAIT4_PORT):
928 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
929 bp->state = BNX2X_STATE_OPEN;
930 break;
931
932 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_STATE_CLOSING_WAIT4_HALT):
933 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
934 bp->state = BNX2X_STATE_CLOSING_WAIT4_DELETE;
935 fp->state = BNX2X_FP_STATE_HALTED;
936 break;
937
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200938 case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_CLOSING_WAIT4_HALT):
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700939 DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", cid);
Eliezer Tamir49d66772008-02-28 11:53:13 -0800940 bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200941 break;
942
943 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN):
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700944 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DIAG):
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200945 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -0700946 bp->set_mac_pending = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200947 break;
948
Eliezer Tamir49d66772008-02-28 11:53:13 -0800949 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT):
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700950 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
Eliezer Tamir49d66772008-02-28 11:53:13 -0800951 break;
952
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200953 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700954 BNX2X_ERR("unexpected MC reply (%d) bp->state is %x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200955 command, bp->state);
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700956 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200957 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700958 mb(); /* force bnx2x_wait_ramrod() to see the change */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200959}
960
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700961static inline void bnx2x_free_rx_sge(struct bnx2x *bp,
962 struct bnx2x_fastpath *fp, u16 index)
963{
964 struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
965 struct page *page = sw_buf->page;
966 struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
967
968 /* Skip "next page" elements */
969 if (!page)
970 return;
971
972 pci_unmap_page(bp->pdev, pci_unmap_addr(sw_buf, mapping),
973 BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
974 __free_pages(page, PAGES_PER_SGE_SHIFT);
975
976 sw_buf->page = NULL;
977 sge->addr_hi = 0;
978 sge->addr_lo = 0;
979}
980
981static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
982 struct bnx2x_fastpath *fp, int last)
983{
984 int i;
985
986 for (i = 0; i < last; i++)
987 bnx2x_free_rx_sge(bp, fp, i);
988}
989
990static inline int bnx2x_alloc_rx_sge(struct bnx2x *bp,
991 struct bnx2x_fastpath *fp, u16 index)
992{
993 struct page *page = alloc_pages(GFP_ATOMIC, PAGES_PER_SGE_SHIFT);
994 struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
995 struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
996 dma_addr_t mapping;
997
998 if (unlikely(page == NULL))
999 return -ENOMEM;
1000
1001 mapping = pci_map_page(bp->pdev, page, 0, BCM_PAGE_SIZE*PAGES_PER_SGE,
1002 PCI_DMA_FROMDEVICE);
FUJITA Tomonori8d8bb392008-07-25 19:44:49 -07001003 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001004 __free_pages(page, PAGES_PER_SGE_SHIFT);
1005 return -ENOMEM;
1006 }
1007
1008 sw_buf->page = page;
1009 pci_unmap_addr_set(sw_buf, mapping, mapping);
1010
1011 sge->addr_hi = cpu_to_le32(U64_HI(mapping));
1012 sge->addr_lo = cpu_to_le32(U64_LO(mapping));
1013
1014 return 0;
1015}
1016
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001017static inline int bnx2x_alloc_rx_skb(struct bnx2x *bp,
1018 struct bnx2x_fastpath *fp, u16 index)
1019{
1020 struct sk_buff *skb;
1021 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index];
1022 struct eth_rx_bd *rx_bd = &fp->rx_desc_ring[index];
1023 dma_addr_t mapping;
1024
1025 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1026 if (unlikely(skb == NULL))
1027 return -ENOMEM;
1028
1029 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
1030 PCI_DMA_FROMDEVICE);
FUJITA Tomonori8d8bb392008-07-25 19:44:49 -07001031 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001032 dev_kfree_skb(skb);
1033 return -ENOMEM;
1034 }
1035
1036 rx_buf->skb = skb;
1037 pci_unmap_addr_set(rx_buf, mapping, mapping);
1038
1039 rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1040 rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1041
1042 return 0;
1043}
1044
1045/* note that we are not allocating a new skb,
1046 * we are just moving one from cons to prod
1047 * we are not creating a new mapping,
1048 * so there is no need to check for dma_mapping_error().
1049 */
1050static void bnx2x_reuse_rx_skb(struct bnx2x_fastpath *fp,
1051 struct sk_buff *skb, u16 cons, u16 prod)
1052{
1053 struct bnx2x *bp = fp->bp;
1054 struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1055 struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1056 struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons];
1057 struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1058
1059 pci_dma_sync_single_for_device(bp->pdev,
1060 pci_unmap_addr(cons_rx_buf, mapping),
1061 bp->rx_offset + RX_COPY_THRESH,
1062 PCI_DMA_FROMDEVICE);
1063
1064 prod_rx_buf->skb = cons_rx_buf->skb;
1065 pci_unmap_addr_set(prod_rx_buf, mapping,
1066 pci_unmap_addr(cons_rx_buf, mapping));
1067 *prod_bd = *cons_bd;
1068}
1069
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001070static inline void bnx2x_update_last_max_sge(struct bnx2x_fastpath *fp,
1071 u16 idx)
1072{
1073 u16 last_max = fp->last_max_sge;
1074
1075 if (SUB_S16(idx, last_max) > 0)
1076 fp->last_max_sge = idx;
1077}
1078
1079static void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp)
1080{
1081 int i, j;
1082
1083 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
1084 int idx = RX_SGE_CNT * i - 1;
1085
1086 for (j = 0; j < 2; j++) {
1087 SGE_MASK_CLEAR_BIT(fp, idx);
1088 idx--;
1089 }
1090 }
1091}
1092
1093static void bnx2x_update_sge_prod(struct bnx2x_fastpath *fp,
1094 struct eth_fast_path_rx_cqe *fp_cqe)
1095{
1096 struct bnx2x *bp = fp->bp;
1097 u16 sge_len = BCM_PAGE_ALIGN(le16_to_cpu(fp_cqe->pkt_len) -
1098 le16_to_cpu(fp_cqe->len_on_bd)) >>
1099 BCM_PAGE_SHIFT;
1100 u16 last_max, last_elem, first_elem;
1101 u16 delta = 0;
1102 u16 i;
1103
1104 if (!sge_len)
1105 return;
1106
1107 /* First mark all used pages */
1108 for (i = 0; i < sge_len; i++)
1109 SGE_MASK_CLEAR_BIT(fp, RX_SGE(le16_to_cpu(fp_cqe->sgl[i])));
1110
1111 DP(NETIF_MSG_RX_STATUS, "fp_cqe->sgl[%d] = %d\n",
1112 sge_len - 1, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1113
1114 /* Here we assume that the last SGE index is the biggest */
1115 prefetch((void *)(fp->sge_mask));
1116 bnx2x_update_last_max_sge(fp, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1117
1118 last_max = RX_SGE(fp->last_max_sge);
1119 last_elem = last_max >> RX_SGE_MASK_ELEM_SHIFT;
1120 first_elem = RX_SGE(fp->rx_sge_prod) >> RX_SGE_MASK_ELEM_SHIFT;
1121
1122 /* If ring is not full */
1123 if (last_elem + 1 != first_elem)
1124 last_elem++;
1125
1126 /* Now update the prod */
1127 for (i = first_elem; i != last_elem; i = NEXT_SGE_MASK_ELEM(i)) {
1128 if (likely(fp->sge_mask[i]))
1129 break;
1130
1131 fp->sge_mask[i] = RX_SGE_MASK_ELEM_ONE_MASK;
1132 delta += RX_SGE_MASK_ELEM_SZ;
1133 }
1134
1135 if (delta > 0) {
1136 fp->rx_sge_prod += delta;
1137 /* clear page-end entries */
1138 bnx2x_clear_sge_mask_next_elems(fp);
1139 }
1140
1141 DP(NETIF_MSG_RX_STATUS,
1142 "fp->last_max_sge = %d fp->rx_sge_prod = %d\n",
1143 fp->last_max_sge, fp->rx_sge_prod);
1144}
1145
1146static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp)
1147{
1148 /* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */
1149 memset(fp->sge_mask, 0xff,
1150 (NUM_RX_SGE >> RX_SGE_MASK_ELEM_SHIFT)*sizeof(u64));
1151
1152 /* Clear the two last indeces in the page to 1:
1153 these are the indeces that correspond to the "next" element,
1154 hence will never be indicated and should be removed from
1155 the calculations. */
1156 bnx2x_clear_sge_mask_next_elems(fp);
1157}
1158
1159static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue,
1160 struct sk_buff *skb, u16 cons, u16 prod)
1161{
1162 struct bnx2x *bp = fp->bp;
1163 struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1164 struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1165 struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1166 dma_addr_t mapping;
1167
1168 /* move empty skb from pool to prod and map it */
1169 prod_rx_buf->skb = fp->tpa_pool[queue].skb;
1170 mapping = pci_map_single(bp->pdev, fp->tpa_pool[queue].skb->data,
1171 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
1172 pci_unmap_addr_set(prod_rx_buf, mapping, mapping);
1173
1174 /* move partial skb from cons to pool (don't unmap yet) */
1175 fp->tpa_pool[queue] = *cons_rx_buf;
1176
1177 /* mark bin state as start - print error if current state != stop */
1178 if (fp->tpa_state[queue] != BNX2X_TPA_STOP)
1179 BNX2X_ERR("start of bin not in stop [%d]\n", queue);
1180
1181 fp->tpa_state[queue] = BNX2X_TPA_START;
1182
1183 /* point prod_bd to new skb */
1184 prod_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1185 prod_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1186
1187#ifdef BNX2X_STOP_ON_ERROR
1188 fp->tpa_queue_used |= (1 << queue);
1189#ifdef __powerpc64__
1190 DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%lx\n",
1191#else
1192 DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%llx\n",
1193#endif
1194 fp->tpa_queue_used);
1195#endif
1196}
1197
1198static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1199 struct sk_buff *skb,
1200 struct eth_fast_path_rx_cqe *fp_cqe,
1201 u16 cqe_idx)
1202{
1203 struct sw_rx_page *rx_pg, old_rx_pg;
1204 struct page *sge;
1205 u16 len_on_bd = le16_to_cpu(fp_cqe->len_on_bd);
1206 u32 i, frag_len, frag_size, pages;
1207 int err;
1208 int j;
1209
1210 frag_size = le16_to_cpu(fp_cqe->pkt_len) - len_on_bd;
1211 pages = BCM_PAGE_ALIGN(frag_size) >> BCM_PAGE_SHIFT;
1212
1213 /* This is needed in order to enable forwarding support */
1214 if (frag_size)
1215 skb_shinfo(skb)->gso_size = min((u32)BCM_PAGE_SIZE,
1216 max(frag_size, (u32)len_on_bd));
1217
1218#ifdef BNX2X_STOP_ON_ERROR
1219 if (pages > 8*PAGES_PER_SGE) {
1220 BNX2X_ERR("SGL length is too long: %d. CQE index is %d\n",
1221 pages, cqe_idx);
1222 BNX2X_ERR("fp_cqe->pkt_len = %d fp_cqe->len_on_bd = %d\n",
1223 fp_cqe->pkt_len, len_on_bd);
1224 bnx2x_panic();
1225 return -EINVAL;
1226 }
1227#endif
1228
1229 /* Run through the SGL and compose the fragmented skb */
1230 for (i = 0, j = 0; i < pages; i += PAGES_PER_SGE, j++) {
1231 u16 sge_idx = RX_SGE(le16_to_cpu(fp_cqe->sgl[j]));
1232
1233 /* FW gives the indices of the SGE as if the ring is an array
1234 (meaning that "next" element will consume 2 indices) */
1235 frag_len = min(frag_size, (u32)(BCM_PAGE_SIZE*PAGES_PER_SGE));
1236 rx_pg = &fp->rx_page_ring[sge_idx];
1237 sge = rx_pg->page;
1238 old_rx_pg = *rx_pg;
1239
1240 /* If we fail to allocate a substitute page, we simply stop
1241 where we are and drop the whole packet */
1242 err = bnx2x_alloc_rx_sge(bp, fp, sge_idx);
1243 if (unlikely(err)) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001244 bp->eth_stats.rx_skb_alloc_failed++;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001245 return err;
1246 }
1247
1248 /* Unmap the page as we r going to pass it to the stack */
1249 pci_unmap_page(bp->pdev, pci_unmap_addr(&old_rx_pg, mapping),
1250 BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
1251
1252 /* Add one frag and update the appropriate fields in the skb */
1253 skb_fill_page_desc(skb, j, old_rx_pg.page, 0, frag_len);
1254
1255 skb->data_len += frag_len;
1256 skb->truesize += frag_len;
1257 skb->len += frag_len;
1258
1259 frag_size -= frag_len;
1260 }
1261
1262 return 0;
1263}
1264
1265static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1266 u16 queue, int pad, int len, union eth_rx_cqe *cqe,
1267 u16 cqe_idx)
1268{
1269 struct sw_rx_bd *rx_buf = &fp->tpa_pool[queue];
1270 struct sk_buff *skb = rx_buf->skb;
1271 /* alloc new skb */
1272 struct sk_buff *new_skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1273
1274 /* Unmap skb in the pool anyway, as we are going to change
1275 pool entry status to BNX2X_TPA_STOP even if new skb allocation
1276 fails. */
1277 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
1278 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
1279
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001280 if (likely(new_skb)) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001281 /* fix ip xsum and give it to the stack */
1282 /* (no need to map the new skb) */
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001283
1284 prefetch(skb);
1285 prefetch(((char *)(skb)) + 128);
1286
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001287#ifdef BNX2X_STOP_ON_ERROR
1288 if (pad + len > bp->rx_buf_size) {
1289 BNX2X_ERR("skb_put is about to fail... "
1290 "pad %d len %d rx_buf_size %d\n",
1291 pad, len, bp->rx_buf_size);
1292 bnx2x_panic();
1293 return;
1294 }
1295#endif
1296
1297 skb_reserve(skb, pad);
1298 skb_put(skb, len);
1299
1300 skb->protocol = eth_type_trans(skb, bp->dev);
1301 skb->ip_summed = CHECKSUM_UNNECESSARY;
1302
1303 {
1304 struct iphdr *iph;
1305
1306 iph = (struct iphdr *)skb->data;
1307 iph->check = 0;
1308 iph->check = ip_fast_csum((u8 *)iph, iph->ihl);
1309 }
1310
1311 if (!bnx2x_fill_frag_skb(bp, fp, skb,
1312 &cqe->fast_path_cqe, cqe_idx)) {
1313#ifdef BCM_VLAN
1314 if ((bp->vlgrp != NULL) &&
1315 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1316 PARSING_FLAGS_VLAN))
1317 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1318 le16_to_cpu(cqe->fast_path_cqe.
1319 vlan_tag));
1320 else
1321#endif
1322 netif_receive_skb(skb);
1323 } else {
1324 DP(NETIF_MSG_RX_STATUS, "Failed to allocate new pages"
1325 " - dropping packet!\n");
1326 dev_kfree_skb(skb);
1327 }
1328
1329 bp->dev->last_rx = jiffies;
1330
1331 /* put new skb in bin */
1332 fp->tpa_pool[queue].skb = new_skb;
1333
1334 } else {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001335 /* else drop the packet and keep the buffer in the bin */
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001336 DP(NETIF_MSG_RX_STATUS,
1337 "Failed to allocate new skb - dropping packet!\n");
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001338 bp->eth_stats.rx_skb_alloc_failed++;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001339 }
1340
1341 fp->tpa_state[queue] = BNX2X_TPA_STOP;
1342}
1343
1344static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
1345 struct bnx2x_fastpath *fp,
1346 u16 bd_prod, u16 rx_comp_prod,
1347 u16 rx_sge_prod)
1348{
1349 struct tstorm_eth_rx_producers rx_prods = {0};
1350 int i;
1351
1352 /* Update producers */
1353 rx_prods.bd_prod = bd_prod;
1354 rx_prods.cqe_prod = rx_comp_prod;
1355 rx_prods.sge_prod = rx_sge_prod;
1356
1357 for (i = 0; i < sizeof(struct tstorm_eth_rx_producers)/4; i++)
1358 REG_WR(bp, BAR_TSTRORM_INTMEM +
1359 TSTORM_RX_PRODS_OFFSET(BP_PORT(bp), FP_CL_ID(fp)) + i*4,
1360 ((u32 *)&rx_prods)[i]);
1361
1362 DP(NETIF_MSG_RX_STATUS,
1363 "Wrote: bd_prod %u cqe_prod %u sge_prod %u\n",
1364 bd_prod, rx_comp_prod, rx_sge_prod);
1365}
1366
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001367static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
1368{
1369 struct bnx2x *bp = fp->bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001370 u16 bd_cons, bd_prod, bd_prod_fw, comp_ring_cons;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001371 u16 hw_comp_cons, sw_comp_cons, sw_comp_prod;
1372 int rx_pkt = 0;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001373 u16 queue;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001374
1375#ifdef BNX2X_STOP_ON_ERROR
1376 if (unlikely(bp->panic))
1377 return 0;
1378#endif
1379
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001380 /* CQ "next element" is of the size of the regular element,
1381 that's why it's ok here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001382 hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb);
1383 if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
1384 hw_comp_cons++;
1385
1386 bd_cons = fp->rx_bd_cons;
1387 bd_prod = fp->rx_bd_prod;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001388 bd_prod_fw = bd_prod;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001389 sw_comp_cons = fp->rx_comp_cons;
1390 sw_comp_prod = fp->rx_comp_prod;
1391
1392 /* Memory barrier necessary as speculative reads of the rx
1393 * buffer can be ahead of the index in the status block
1394 */
1395 rmb();
1396
1397 DP(NETIF_MSG_RX_STATUS,
1398 "queue[%d]: hw_comp_cons %u sw_comp_cons %u\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001399 FP_IDX(fp), hw_comp_cons, sw_comp_cons);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001400
1401 while (sw_comp_cons != hw_comp_cons) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001402 struct sw_rx_bd *rx_buf = NULL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001403 struct sk_buff *skb;
1404 union eth_rx_cqe *cqe;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001405 u8 cqe_fp_flags;
1406 u16 len, pad;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001407
1408 comp_ring_cons = RCQ_BD(sw_comp_cons);
1409 bd_prod = RX_BD(bd_prod);
1410 bd_cons = RX_BD(bd_cons);
1411
1412 cqe = &fp->rx_comp_ring[comp_ring_cons];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001413 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001414
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001415 DP(NETIF_MSG_RX_STATUS, "CQE type %x err %x status %x"
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001416 " queue %x vlan %x len %u\n", CQE_TYPE(cqe_fp_flags),
1417 cqe_fp_flags, cqe->fast_path_cqe.status_flags,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001418 cqe->fast_path_cqe.rss_hash_result,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001419 le16_to_cpu(cqe->fast_path_cqe.vlan_tag),
1420 le16_to_cpu(cqe->fast_path_cqe.pkt_len));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001421
1422 /* is this a slowpath msg? */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001423 if (unlikely(CQE_TYPE(cqe_fp_flags))) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001424 bnx2x_sp_event(fp, cqe);
1425 goto next_cqe;
1426
1427 /* this is an rx packet */
1428 } else {
1429 rx_buf = &fp->rx_buf_ring[bd_cons];
1430 skb = rx_buf->skb;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001431 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
1432 pad = cqe->fast_path_cqe.placement_offset;
1433
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001434 /* If CQE is marked both TPA_START and TPA_END
1435 it is a non-TPA CQE */
1436 if ((!fp->disable_tpa) &&
1437 (TPA_TYPE(cqe_fp_flags) !=
1438 (TPA_TYPE_START | TPA_TYPE_END))) {
1439 queue = cqe->fast_path_cqe.queue_index;
1440
1441 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_START) {
1442 DP(NETIF_MSG_RX_STATUS,
1443 "calling tpa_start on queue %d\n",
1444 queue);
1445
1446 bnx2x_tpa_start(fp, queue, skb,
1447 bd_cons, bd_prod);
1448 goto next_rx;
1449 }
1450
1451 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_END) {
1452 DP(NETIF_MSG_RX_STATUS,
1453 "calling tpa_stop on queue %d\n",
1454 queue);
1455
1456 if (!BNX2X_RX_SUM_FIX(cqe))
1457 BNX2X_ERR("STOP on none TCP "
1458 "data\n");
1459
1460 /* This is a size of the linear data
1461 on this skb */
1462 len = le16_to_cpu(cqe->fast_path_cqe.
1463 len_on_bd);
1464 bnx2x_tpa_stop(bp, fp, queue, pad,
1465 len, cqe, comp_ring_cons);
1466#ifdef BNX2X_STOP_ON_ERROR
1467 if (bp->panic)
1468 return -EINVAL;
1469#endif
1470
1471 bnx2x_update_sge_prod(fp,
1472 &cqe->fast_path_cqe);
1473 goto next_cqe;
1474 }
1475 }
1476
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001477 pci_dma_sync_single_for_device(bp->pdev,
1478 pci_unmap_addr(rx_buf, mapping),
1479 pad + RX_COPY_THRESH,
1480 PCI_DMA_FROMDEVICE);
1481 prefetch(skb);
1482 prefetch(((char *)(skb)) + 128);
1483
1484 /* is this an error packet? */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001485 if (unlikely(cqe_fp_flags & ETH_RX_ERROR_FALGS)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001486 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001487 "ERROR flags %x rx packet %u\n",
1488 cqe_fp_flags, sw_comp_cons);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001489 bp->eth_stats.rx_err_discard_pkt++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001490 goto reuse_rx;
1491 }
1492
1493 /* Since we don't have a jumbo ring
1494 * copy small packets if mtu > 1500
1495 */
1496 if ((bp->dev->mtu > ETH_MAX_PACKET_SIZE) &&
1497 (len <= RX_COPY_THRESH)) {
1498 struct sk_buff *new_skb;
1499
1500 new_skb = netdev_alloc_skb(bp->dev,
1501 len + pad);
1502 if (new_skb == NULL) {
1503 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001504 "ERROR packet dropped "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001505 "because of alloc failure\n");
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001506 bp->eth_stats.rx_skb_alloc_failed++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001507 goto reuse_rx;
1508 }
1509
1510 /* aligned copy */
1511 skb_copy_from_linear_data_offset(skb, pad,
1512 new_skb->data + pad, len);
1513 skb_reserve(new_skb, pad);
1514 skb_put(new_skb, len);
1515
1516 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1517
1518 skb = new_skb;
1519
1520 } else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) {
1521 pci_unmap_single(bp->pdev,
1522 pci_unmap_addr(rx_buf, mapping),
1523 bp->rx_buf_use_size,
1524 PCI_DMA_FROMDEVICE);
1525 skb_reserve(skb, pad);
1526 skb_put(skb, len);
1527
1528 } else {
1529 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001530 "ERROR packet dropped because "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001531 "of alloc failure\n");
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001532 bp->eth_stats.rx_skb_alloc_failed++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001533reuse_rx:
1534 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1535 goto next_rx;
1536 }
1537
1538 skb->protocol = eth_type_trans(skb, bp->dev);
1539
1540 skb->ip_summed = CHECKSUM_NONE;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001541 if (bp->rx_csum) {
Eilon Greenstein1adcd8b2008-08-13 15:48:29 -07001542 if (likely(BNX2X_RX_CSUM_OK(cqe)))
1543 skb->ip_summed = CHECKSUM_UNNECESSARY;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001544 else
1545 bp->eth_stats.hw_csum_err++;
1546 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001547 }
1548
1549#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001550 if ((bp->vlgrp != NULL) &&
1551 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1552 PARSING_FLAGS_VLAN))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001553 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1554 le16_to_cpu(cqe->fast_path_cqe.vlan_tag));
1555 else
1556#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001557 netif_receive_skb(skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001558
1559 bp->dev->last_rx = jiffies;
1560
1561next_rx:
1562 rx_buf->skb = NULL;
1563
1564 bd_cons = NEXT_RX_IDX(bd_cons);
1565 bd_prod = NEXT_RX_IDX(bd_prod);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001566 bd_prod_fw = NEXT_RX_IDX(bd_prod_fw);
1567 rx_pkt++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001568next_cqe:
1569 sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod);
1570 sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001571
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001572 if (rx_pkt == budget)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001573 break;
1574 } /* while */
1575
1576 fp->rx_bd_cons = bd_cons;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001577 fp->rx_bd_prod = bd_prod_fw;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001578 fp->rx_comp_cons = sw_comp_cons;
1579 fp->rx_comp_prod = sw_comp_prod;
1580
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001581 /* Update producers */
1582 bnx2x_update_rx_prod(bp, fp, bd_prod_fw, sw_comp_prod,
1583 fp->rx_sge_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001584 mmiowb(); /* keep prod updates ordered */
1585
1586 fp->rx_pkt += rx_pkt;
1587 fp->rx_calls++;
1588
1589 return rx_pkt;
1590}
1591
1592static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie)
1593{
1594 struct bnx2x_fastpath *fp = fp_cookie;
1595 struct bnx2x *bp = fp->bp;
1596 struct net_device *dev = bp->dev;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001597 int index = FP_IDX(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001598
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07001599 /* Return here if interrupt is disabled */
1600 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1601 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1602 return IRQ_HANDLED;
1603 }
1604
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001605 DP(BNX2X_MSG_FP, "got an MSI-X interrupt on IDX:SB [%d:%d]\n",
1606 index, FP_SB_ID(fp));
1607 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID, 0, IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001608
1609#ifdef BNX2X_STOP_ON_ERROR
1610 if (unlikely(bp->panic))
1611 return IRQ_HANDLED;
1612#endif
1613
1614 prefetch(fp->rx_cons_sb);
1615 prefetch(fp->tx_cons_sb);
1616 prefetch(&fp->status_blk->c_status_block.status_block_index);
1617 prefetch(&fp->status_blk->u_status_block.status_block_index);
1618
1619 netif_rx_schedule(dev, &bnx2x_fp(bp, index, napi));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001620
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001621 return IRQ_HANDLED;
1622}
1623
1624static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
1625{
1626 struct net_device *dev = dev_instance;
1627 struct bnx2x *bp = netdev_priv(dev);
1628 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001629 u16 mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001630
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001631 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001632 if (unlikely(status == 0)) {
1633 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1634 return IRQ_NONE;
1635 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001636 DP(NETIF_MSG_INTR, "got an interrupt status %u\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001637
1638#ifdef BNX2X_STOP_ON_ERROR
1639 if (unlikely(bp->panic))
1640 return IRQ_HANDLED;
1641#endif
1642
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001643 /* Return here if interrupt is disabled */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001644 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1645 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1646 return IRQ_HANDLED;
1647 }
1648
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001649 mask = 0x2 << bp->fp[0].sb_id;
1650 if (status & mask) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001651 struct bnx2x_fastpath *fp = &bp->fp[0];
1652
1653 prefetch(fp->rx_cons_sb);
1654 prefetch(fp->tx_cons_sb);
1655 prefetch(&fp->status_blk->c_status_block.status_block_index);
1656 prefetch(&fp->status_blk->u_status_block.status_block_index);
1657
1658 netif_rx_schedule(dev, &bnx2x_fp(bp, 0, napi));
1659
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001660 status &= ~mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001661 }
1662
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001663
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001664 if (unlikely(status & 0x1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001665 schedule_work(&bp->sp_task);
1666
1667 status &= ~0x1;
1668 if (!status)
1669 return IRQ_HANDLED;
1670 }
1671
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001672 if (status)
1673 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status %u)\n",
1674 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001675
1676 return IRQ_HANDLED;
1677}
1678
1679/* end of fast path */
1680
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07001681static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001682
1683/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001684
1685/*
1686 * General service functions
1687 */
1688
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001689static int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001690{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001691 u32 lock_status;
1692 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001693 int func = BP_FUNC(bp);
1694 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001695 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001696
1697 /* Validating that the resource is within range */
1698 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1699 DP(NETIF_MSG_HW,
1700 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1701 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1702 return -EINVAL;
1703 }
1704
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001705 if (func <= 5) {
1706 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1707 } else {
1708 hw_lock_control_reg =
1709 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1710 }
1711
Eliezer Tamirf1410642008-02-28 11:51:50 -08001712 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001713 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001714 if (lock_status & resource_bit) {
1715 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1716 lock_status, resource_bit);
1717 return -EEXIST;
1718 }
1719
1720 /* Try for 1 second every 5ms */
1721 for (cnt = 0; cnt < 200; cnt++) {
1722 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001723 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1724 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001725 if (lock_status & resource_bit)
1726 return 0;
1727
1728 msleep(5);
1729 }
1730 DP(NETIF_MSG_HW, "Timeout\n");
1731 return -EAGAIN;
1732}
1733
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001734static int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001735{
1736 u32 lock_status;
1737 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001738 int func = BP_FUNC(bp);
1739 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001740
1741 /* Validating that the resource is within range */
1742 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1743 DP(NETIF_MSG_HW,
1744 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1745 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1746 return -EINVAL;
1747 }
1748
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001749 if (func <= 5) {
1750 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1751 } else {
1752 hw_lock_control_reg =
1753 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1754 }
1755
Eliezer Tamirf1410642008-02-28 11:51:50 -08001756 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001757 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001758 if (!(lock_status & resource_bit)) {
1759 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1760 lock_status, resource_bit);
1761 return -EFAULT;
1762 }
1763
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001764 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001765 return 0;
1766}
1767
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001768/* HW Lock for shared dual port PHYs */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001769static void bnx2x_acquire_phy_lock(struct bnx2x *bp)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001770{
1771 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1772
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001773 mutex_lock(&bp->port.phy_mutex);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001774
1775 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1776 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001777 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001778}
1779
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001780static void bnx2x_release_phy_lock(struct bnx2x *bp)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001781{
1782 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1783
1784 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1785 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001786 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001787
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001788 mutex_unlock(&bp->port.phy_mutex);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001789}
1790
1791int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001792{
1793 /* The GPIO should be swapped if swap register is set and active */
1794 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001795 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ BP_PORT(bp);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001796 int gpio_shift = gpio_num +
1797 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1798 u32 gpio_mask = (1 << gpio_shift);
1799 u32 gpio_reg;
1800
1801 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1802 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1803 return -EINVAL;
1804 }
1805
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001806 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001807 /* read GPIO and mask except the float bits */
1808 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1809
1810 switch (mode) {
1811 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1812 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1813 gpio_num, gpio_shift);
1814 /* clear FLOAT and set CLR */
1815 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1816 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1817 break;
1818
1819 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1820 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1821 gpio_num, gpio_shift);
1822 /* clear FLOAT and set SET */
1823 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1824 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1825 break;
1826
1827 case MISC_REGISTERS_GPIO_INPUT_HI_Z :
1828 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1829 gpio_num, gpio_shift);
1830 /* set FLOAT */
1831 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1832 break;
1833
1834 default:
1835 break;
1836 }
1837
1838 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001839 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001840
1841 return 0;
1842}
1843
1844static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1845{
1846 u32 spio_mask = (1 << spio_num);
1847 u32 spio_reg;
1848
1849 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1850 (spio_num > MISC_REGISTERS_SPIO_7)) {
1851 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1852 return -EINVAL;
1853 }
1854
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001855 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001856 /* read SPIO and mask except the float bits */
1857 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1858
1859 switch (mode) {
1860 case MISC_REGISTERS_SPIO_OUTPUT_LOW :
1861 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1862 /* clear FLOAT and set CLR */
1863 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1864 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1865 break;
1866
1867 case MISC_REGISTERS_SPIO_OUTPUT_HIGH :
1868 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1869 /* clear FLOAT and set SET */
1870 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1871 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1872 break;
1873
1874 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1875 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1876 /* set FLOAT */
1877 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1878 break;
1879
1880 default:
1881 break;
1882 }
1883
1884 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001885 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001886
1887 return 0;
1888}
1889
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001890static void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001891{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001892 switch (bp->link_vars.ieee_fc) {
1893 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001894 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001895 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001896 break;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001897 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001898 bp->port.advertising |= (ADVERTISED_Asym_Pause |
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001899 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001900 break;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001901 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001902 bp->port.advertising |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001903 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001904 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001905 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001906 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001907 break;
1908 }
1909}
1910
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001911static void bnx2x_link_report(struct bnx2x *bp)
1912{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001913 if (bp->link_vars.link_up) {
1914 if (bp->state == BNX2X_STATE_OPEN)
1915 netif_carrier_on(bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001916 printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
1917
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001918 printk("%d Mbps ", bp->link_vars.line_speed);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001919
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001920 if (bp->link_vars.duplex == DUPLEX_FULL)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001921 printk("full duplex");
1922 else
1923 printk("half duplex");
1924
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001925 if (bp->link_vars.flow_ctrl != FLOW_CTRL_NONE) {
1926 if (bp->link_vars.flow_ctrl & FLOW_CTRL_RX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001927 printk(", receive ");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001928 if (bp->link_vars.flow_ctrl & FLOW_CTRL_TX)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001929 printk("& transmit ");
1930 } else {
1931 printk(", transmit ");
1932 }
1933 printk("flow control ON");
1934 }
1935 printk("\n");
1936
1937 } else { /* link_down */
1938 netif_carrier_off(bp->dev);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001939 printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001940 }
1941}
1942
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001943static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001944{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001945 if (!BP_NOMCP(bp)) {
1946 u8 rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001947
Eilon Greenstein19680c42008-08-13 15:47:33 -07001948 /* Initialize link parameters structure variables */
1949 bp->link_params.mtu = bp->dev->mtu;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001950
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001951 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001952 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001953 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001954
Eilon Greenstein19680c42008-08-13 15:47:33 -07001955 if (bp->link_vars.link_up)
1956 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001957
Eilon Greenstein19680c42008-08-13 15:47:33 -07001958 bnx2x_calc_fc_adv(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001959
Eilon Greenstein19680c42008-08-13 15:47:33 -07001960 return rc;
1961 }
1962 BNX2X_ERR("Bootcode is missing -not initializing link\n");
1963 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001964}
1965
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001966static void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001967{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001968 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001969 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001970 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001971 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001972
Eilon Greenstein19680c42008-08-13 15:47:33 -07001973 bnx2x_calc_fc_adv(bp);
1974 } else
1975 BNX2X_ERR("Bootcode is missing -not setting link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001976}
1977
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001978static void bnx2x__link_reset(struct bnx2x *bp)
1979{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001980 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001981 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001982 bnx2x_link_reset(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001983 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001984 } else
1985 BNX2X_ERR("Bootcode is missing -not resetting link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001986}
1987
1988static u8 bnx2x_link_test(struct bnx2x *bp)
1989{
1990 u8 rc;
1991
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001992 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001993 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001994 bnx2x_release_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001995
1996 return rc;
1997}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001998
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001999/* Calculates the sum of vn_min_rates.
2000 It's needed for further normalizing of the min_rates.
2001
2002 Returns:
2003 sum of vn_min_rates
2004 or
2005 0 - if all the min_rates are 0.
2006 In the later case fainess algorithm should be deactivated.
2007 If not all min_rates are zero then those that are zeroes will
2008 be set to 1.
2009 */
2010static u32 bnx2x_calc_vn_wsum(struct bnx2x *bp)
2011{
2012 int i, port = BP_PORT(bp);
2013 u32 wsum = 0;
2014 int all_zero = 1;
2015
2016 for (i = 0; i < E1HVN_MAX; i++) {
2017 u32 vn_cfg =
2018 SHMEM_RD(bp, mf_cfg.func_mf_config[2*i + port].config);
2019 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2020 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2021 if (!(vn_cfg & FUNC_MF_CFG_FUNC_HIDE)) {
2022 /* If min rate is zero - set it to 1 */
2023 if (!vn_min_rate)
2024 vn_min_rate = DEF_MIN_RATE;
2025 else
2026 all_zero = 0;
2027
2028 wsum += vn_min_rate;
2029 }
2030 }
2031
2032 /* ... only if all min rates are zeros - disable FAIRNESS */
2033 if (all_zero)
2034 return 0;
2035
2036 return wsum;
2037}
2038
2039static void bnx2x_init_port_minmax(struct bnx2x *bp,
2040 int en_fness,
2041 u16 port_rate,
2042 struct cmng_struct_per_port *m_cmng_port)
2043{
2044 u32 r_param = port_rate / 8;
2045 int port = BP_PORT(bp);
2046 int i;
2047
2048 memset(m_cmng_port, 0, sizeof(struct cmng_struct_per_port));
2049
2050 /* Enable minmax only if we are in e1hmf mode */
2051 if (IS_E1HMF(bp)) {
2052 u32 fair_periodic_timeout_usec;
2053 u32 t_fair;
2054
2055 /* Enable rate shaping and fairness */
2056 m_cmng_port->flags.cmng_vn_enable = 1;
2057 m_cmng_port->flags.fairness_enable = en_fness ? 1 : 0;
2058 m_cmng_port->flags.rate_shaping_enable = 1;
2059
2060 if (!en_fness)
2061 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2062 " fairness will be disabled\n");
2063
2064 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
2065 m_cmng_port->rs_vars.rs_periodic_timeout =
2066 RS_PERIODIC_TIMEOUT_USEC / 4;
2067
2068 /* this is the threshold below which no timer arming will occur
2069 1.25 coefficient is for the threshold to be a little bigger
2070 than the real time, to compensate for timer in-accuracy */
2071 m_cmng_port->rs_vars.rs_threshold =
2072 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
2073
2074 /* resolution of fairness timer */
2075 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
2076 /* for 10G it is 1000usec. for 1G it is 10000usec. */
2077 t_fair = T_FAIR_COEF / port_rate;
2078
2079 /* this is the threshold below which we won't arm
2080 the timer anymore */
2081 m_cmng_port->fair_vars.fair_threshold = QM_ARB_BYTES;
2082
2083 /* we multiply by 1e3/8 to get bytes/msec.
2084 We don't want the credits to pass a credit
2085 of the T_FAIR*FAIR_MEM (algorithm resolution) */
2086 m_cmng_port->fair_vars.upper_bound =
2087 r_param * t_fair * FAIR_MEM;
2088 /* since each tick is 4 usec */
2089 m_cmng_port->fair_vars.fairness_timeout =
2090 fair_periodic_timeout_usec / 4;
2091
2092 } else {
2093 /* Disable rate shaping and fairness */
2094 m_cmng_port->flags.cmng_vn_enable = 0;
2095 m_cmng_port->flags.fairness_enable = 0;
2096 m_cmng_port->flags.rate_shaping_enable = 0;
2097
2098 DP(NETIF_MSG_IFUP,
2099 "Single function mode minmax will be disabled\n");
2100 }
2101
2102 /* Store it to internal memory */
2103 for (i = 0; i < sizeof(struct cmng_struct_per_port) / 4; i++)
2104 REG_WR(bp, BAR_XSTRORM_INTMEM +
2105 XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i * 4,
2106 ((u32 *)(m_cmng_port))[i]);
2107}
2108
2109static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func,
2110 u32 wsum, u16 port_rate,
2111 struct cmng_struct_per_port *m_cmng_port)
2112{
2113 struct rate_shaping_vars_per_vn m_rs_vn;
2114 struct fairness_vars_per_vn m_fair_vn;
2115 u32 vn_cfg = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
2116 u16 vn_min_rate, vn_max_rate;
2117 int i;
2118
2119 /* If function is hidden - set min and max to zeroes */
2120 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
2121 vn_min_rate = 0;
2122 vn_max_rate = 0;
2123
2124 } else {
2125 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2126 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2127 /* If FAIRNESS is enabled (not all min rates are zeroes) and
2128 if current min rate is zero - set it to 1.
2129 This is a requirment of the algorithm. */
2130 if ((vn_min_rate == 0) && wsum)
2131 vn_min_rate = DEF_MIN_RATE;
2132 vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
2133 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
2134 }
2135
2136 DP(NETIF_MSG_IFUP, "func %d: vn_min_rate=%d vn_max_rate=%d "
2137 "wsum=%d\n", func, vn_min_rate, vn_max_rate, wsum);
2138
2139 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
2140 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
2141
2142 /* global vn counter - maximal Mbps for this vn */
2143 m_rs_vn.vn_counter.rate = vn_max_rate;
2144
2145 /* quota - number of bytes transmitted in this period */
2146 m_rs_vn.vn_counter.quota =
2147 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2148
2149#ifdef BNX2X_PER_PROT_QOS
2150 /* per protocol counter */
2151 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++) {
2152 /* maximal Mbps for this protocol */
2153 m_rs_vn.protocol_counters[protocol].rate =
2154 protocol_max_rate[protocol];
2155 /* the quota in each timer period -
2156 number of bytes transmitted in this period */
2157 m_rs_vn.protocol_counters[protocol].quota =
2158 (u32)(rs_periodic_timeout_usec *
2159 ((double)m_rs_vn.
2160 protocol_counters[protocol].rate/8));
2161 }
2162#endif
2163
2164 if (wsum) {
2165 /* credit for each period of the fairness algorithm:
2166 number of bytes in T_FAIR (the vn share the port rate).
2167 wsum should not be larger than 10000, thus
2168 T_FAIR_COEF / (8 * wsum) will always be grater than zero */
2169 m_fair_vn.vn_credit_delta =
2170 max((u64)(vn_min_rate * (T_FAIR_COEF / (8 * wsum))),
2171 (u64)(m_cmng_port->fair_vars.fair_threshold * 2));
2172 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta=%d\n",
2173 m_fair_vn.vn_credit_delta);
2174 }
2175
2176#ifdef BNX2X_PER_PROT_QOS
2177 do {
2178 u32 protocolWeightSum = 0;
2179
2180 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++)
2181 protocolWeightSum +=
2182 drvInit.protocol_min_rate[protocol];
2183 /* per protocol counter -
2184 NOT NEEDED IF NO PER-PROTOCOL CONGESTION MANAGEMENT */
2185 if (protocolWeightSum > 0) {
2186 for (protocol = 0;
2187 protocol < NUM_OF_PROTOCOLS; protocol++)
2188 /* credit for each period of the
2189 fairness algorithm - number of bytes in
2190 T_FAIR (the protocol share the vn rate) */
2191 m_fair_vn.protocol_credit_delta[protocol] =
2192 (u32)((vn_min_rate / 8) * t_fair *
2193 protocol_min_rate / protocolWeightSum);
2194 }
2195 } while (0);
2196#endif
2197
2198 /* Store it to internal memory */
2199 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2200 REG_WR(bp, BAR_XSTRORM_INTMEM +
2201 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2202 ((u32 *)(&m_rs_vn))[i]);
2203
2204 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2205 REG_WR(bp, BAR_XSTRORM_INTMEM +
2206 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2207 ((u32 *)(&m_fair_vn))[i]);
2208}
2209
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002210/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002211static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002212{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002213 int vn;
2214
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002215 /* Make sure that we are synced with the current statistics */
2216 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2217
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002218 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002219 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002220 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002221
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002222 if (bp->link_vars.link_up) {
2223
2224 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2225 struct host_port_stats *pstats;
2226
2227 pstats = bnx2x_sp(bp, port_stats);
2228 /* reset old bmac stats */
2229 memset(&(pstats->mac_stx[0]), 0,
2230 sizeof(struct mac_stx));
2231 }
2232 if ((bp->state == BNX2X_STATE_OPEN) ||
2233 (bp->state == BNX2X_STATE_DISABLED))
2234 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2235 }
2236
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002237 /* indicate link status */
2238 bnx2x_link_report(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002239
2240 if (IS_E1HMF(bp)) {
2241 int func;
2242
2243 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2244 if (vn == BP_E1HVN(bp))
2245 continue;
2246
2247 func = ((vn << 1) | BP_PORT(bp));
2248
2249 /* Set the attention towards other drivers
2250 on the same port */
2251 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2252 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2253 }
2254 }
2255
2256 if (CHIP_IS_E1H(bp) && (bp->link_vars.line_speed > 0)) {
2257 struct cmng_struct_per_port m_cmng_port;
2258 u32 wsum;
2259 int port = BP_PORT(bp);
2260
2261 /* Init RATE SHAPING and FAIRNESS contexts */
2262 wsum = bnx2x_calc_vn_wsum(bp);
2263 bnx2x_init_port_minmax(bp, (int)wsum,
2264 bp->link_vars.line_speed,
2265 &m_cmng_port);
2266 if (IS_E1HMF(bp))
2267 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2268 bnx2x_init_vn_minmax(bp, 2*vn + port,
2269 wsum, bp->link_vars.line_speed,
2270 &m_cmng_port);
2271 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002272}
2273
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002274static void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002275{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002276 if (bp->state != BNX2X_STATE_OPEN)
2277 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002278
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002279 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2280
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002281 if (bp->link_vars.link_up)
2282 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2283 else
2284 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2285
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002286 /* indicate link status */
2287 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002288}
2289
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002290static void bnx2x_pmf_update(struct bnx2x *bp)
2291{
2292 int port = BP_PORT(bp);
2293 u32 val;
2294
2295 bp->port.pmf = 1;
2296 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2297
2298 /* enable nig attention */
2299 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
2300 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2301 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002302
2303 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002304}
2305
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002306/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002307
2308/* slow path */
2309
2310/*
2311 * General service functions
2312 */
2313
2314/* the slow path queue is odd since completions arrive on the fastpath ring */
2315static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
2316 u32 data_hi, u32 data_lo, int common)
2317{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002318 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002319
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002320 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
2321 "SPQE (%x:%x) command %d hw_cid %x data (%x:%x) left %x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002322 (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) +
2323 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
2324 HW_CID(bp, cid), data_hi, data_lo, bp->spq_left);
2325
2326#ifdef BNX2X_STOP_ON_ERROR
2327 if (unlikely(bp->panic))
2328 return -EIO;
2329#endif
2330
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002331 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002332
2333 if (!bp->spq_left) {
2334 BNX2X_ERR("BUG! SPQ ring full!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002335 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002336 bnx2x_panic();
2337 return -EBUSY;
2338 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08002339
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002340 /* CID needs port number to be encoded int it */
2341 bp->spq_prod_bd->hdr.conn_and_cmd_data =
2342 cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) |
2343 HW_CID(bp, cid)));
2344 bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE);
2345 if (common)
2346 bp->spq_prod_bd->hdr.type |=
2347 cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT));
2348
2349 bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi);
2350 bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo);
2351
2352 bp->spq_left--;
2353
2354 if (bp->spq_prod_bd == bp->spq_last_bd) {
2355 bp->spq_prod_bd = bp->spq;
2356 bp->spq_prod_idx = 0;
2357 DP(NETIF_MSG_TIMER, "end of spq\n");
2358
2359 } else {
2360 bp->spq_prod_bd++;
2361 bp->spq_prod_idx++;
2362 }
2363
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002364 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002365 bp->spq_prod_idx);
2366
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002367 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002368 return 0;
2369}
2370
2371/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002372static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002373{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002374 u32 i, j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002375 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002376
2377 might_sleep();
2378 i = 100;
2379 for (j = 0; j < i*10; j++) {
2380 val = (1UL << 31);
2381 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2382 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2383 if (val & (1L << 31))
2384 break;
2385
2386 msleep(5);
2387 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002388 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07002389 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002390 rc = -EBUSY;
2391 }
2392
2393 return rc;
2394}
2395
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002396/* release split MCP access lock register */
2397static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002398{
2399 u32 val = 0;
2400
2401 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2402}
2403
2404static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2405{
2406 struct host_def_status_block *def_sb = bp->def_status_blk;
2407 u16 rc = 0;
2408
2409 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002410 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2411 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
2412 rc |= 1;
2413 }
2414 if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) {
2415 bp->def_c_idx = def_sb->c_def_status_block.status_block_index;
2416 rc |= 2;
2417 }
2418 if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) {
2419 bp->def_u_idx = def_sb->u_def_status_block.status_block_index;
2420 rc |= 4;
2421 }
2422 if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) {
2423 bp->def_x_idx = def_sb->x_def_status_block.status_block_index;
2424 rc |= 8;
2425 }
2426 if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) {
2427 bp->def_t_idx = def_sb->t_def_status_block.status_block_index;
2428 rc |= 16;
2429 }
2430 return rc;
2431}
2432
2433/*
2434 * slow path service functions
2435 */
2436
2437static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2438{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002439 int port = BP_PORT(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07002440 u32 hc_addr = (HC_REG_COMMAND_REG + port*32 +
2441 COMMAND_REG_ATTN_BITS_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002442 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2443 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002444 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2445 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002446 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002447
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002448 if (bp->attn_state & asserted)
2449 BNX2X_ERR("IGU ERROR\n");
2450
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002451 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2452 aeu_mask = REG_RD(bp, aeu_addr);
2453
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002454 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002455 aeu_mask, asserted);
2456 aeu_mask &= ~(asserted & 0xff);
2457 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002458
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002459 REG_WR(bp, aeu_addr, aeu_mask);
2460 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002461
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002462 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002463 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002464 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002465
2466 if (asserted & ATTN_HARD_WIRED_MASK) {
2467 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002468
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002469 /* save nig interrupt mask */
2470 bp->nig_mask = REG_RD(bp, nig_int_mask_addr);
2471 REG_WR(bp, nig_int_mask_addr, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002472
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002473 bnx2x_link_attn(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002474
2475 /* handle unicore attn? */
2476 }
2477 if (asserted & ATTN_SW_TIMER_4_FUNC)
2478 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2479
2480 if (asserted & GPIO_2_FUNC)
2481 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2482
2483 if (asserted & GPIO_3_FUNC)
2484 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2485
2486 if (asserted & GPIO_4_FUNC)
2487 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2488
2489 if (port == 0) {
2490 if (asserted & ATTN_GENERAL_ATTN_1) {
2491 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2492 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2493 }
2494 if (asserted & ATTN_GENERAL_ATTN_2) {
2495 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2496 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2497 }
2498 if (asserted & ATTN_GENERAL_ATTN_3) {
2499 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2500 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2501 }
2502 } else {
2503 if (asserted & ATTN_GENERAL_ATTN_4) {
2504 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2505 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2506 }
2507 if (asserted & ATTN_GENERAL_ATTN_5) {
2508 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2509 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2510 }
2511 if (asserted & ATTN_GENERAL_ATTN_6) {
2512 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2513 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2514 }
2515 }
2516
2517 } /* if hardwired */
2518
Eilon Greenstein5c862842008-08-13 15:51:48 -07002519 DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2520 asserted, hc_addr);
2521 REG_WR(bp, hc_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002522
2523 /* now set back the mask */
2524 if (asserted & ATTN_NIG_FOR_FUNC)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002525 REG_WR(bp, nig_int_mask_addr, bp->nig_mask);
2526}
2527
2528static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2529{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002530 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002531 int reg_offset;
2532 u32 val;
2533
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002534 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2535 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002536
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002537 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002538
2539 val = REG_RD(bp, reg_offset);
2540 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2541 REG_WR(bp, reg_offset, val);
2542
2543 BNX2X_ERR("SPIO5 hw attention\n");
2544
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002545 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002546 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
2547 /* Fan failure attention */
2548
2549 /* The PHY reset is controled by GPIO 1 */
2550 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
2551 MISC_REGISTERS_GPIO_OUTPUT_LOW);
2552 /* Low power mode is controled by GPIO 2 */
2553 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
2554 MISC_REGISTERS_GPIO_OUTPUT_LOW);
2555 /* mark the failure */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002556 bp->link_params.ext_phy_config &=
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002557 ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002558 bp->link_params.ext_phy_config |=
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002559 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
2560 SHMEM_WR(bp,
2561 dev_info.port_hw_config[port].
2562 external_phy_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002563 bp->link_params.ext_phy_config);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002564 /* log the failure */
2565 printk(KERN_ERR PFX "Fan Failure on Network"
2566 " Controller %s has caused the driver to"
2567 " shutdown the card to prevent permanent"
2568 " damage. Please contact Dell Support for"
2569 " assistance\n", bp->dev->name);
2570 break;
2571
2572 default:
2573 break;
2574 }
2575 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002576
2577 if (attn & HW_INTERRUT_ASSERT_SET_0) {
2578
2579 val = REG_RD(bp, reg_offset);
2580 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
2581 REG_WR(bp, reg_offset, val);
2582
2583 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
2584 (attn & HW_INTERRUT_ASSERT_SET_0));
2585 bnx2x_panic();
2586 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002587}
2588
2589static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
2590{
2591 u32 val;
2592
2593 if (attn & BNX2X_DOORQ_ASSERT) {
2594
2595 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
2596 BNX2X_ERR("DB hw attention 0x%x\n", val);
2597 /* DORQ discard attention */
2598 if (val & 0x2)
2599 BNX2X_ERR("FATAL error from DORQ\n");
2600 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002601
2602 if (attn & HW_INTERRUT_ASSERT_SET_1) {
2603
2604 int port = BP_PORT(bp);
2605 int reg_offset;
2606
2607 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
2608 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
2609
2610 val = REG_RD(bp, reg_offset);
2611 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
2612 REG_WR(bp, reg_offset, val);
2613
2614 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
2615 (attn & HW_INTERRUT_ASSERT_SET_1));
2616 bnx2x_panic();
2617 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002618}
2619
2620static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
2621{
2622 u32 val;
2623
2624 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
2625
2626 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
2627 BNX2X_ERR("CFC hw attention 0x%x\n", val);
2628 /* CFC error attention */
2629 if (val & 0x2)
2630 BNX2X_ERR("FATAL error from CFC\n");
2631 }
2632
2633 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
2634
2635 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
2636 BNX2X_ERR("PXP hw attention 0x%x\n", val);
2637 /* RQ_USDMDP_FIFO_OVERFLOW */
2638 if (val & 0x18000)
2639 BNX2X_ERR("FATAL error from PXP\n");
2640 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002641
2642 if (attn & HW_INTERRUT_ASSERT_SET_2) {
2643
2644 int port = BP_PORT(bp);
2645 int reg_offset;
2646
2647 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
2648 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
2649
2650 val = REG_RD(bp, reg_offset);
2651 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
2652 REG_WR(bp, reg_offset, val);
2653
2654 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
2655 (attn & HW_INTERRUT_ASSERT_SET_2));
2656 bnx2x_panic();
2657 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002658}
2659
2660static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
2661{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002662 u32 val;
2663
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002664 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
2665
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002666 if (attn & BNX2X_PMF_LINK_ASSERT) {
2667 int func = BP_FUNC(bp);
2668
2669 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
2670 bnx2x__link_status_update(bp);
2671 if (SHMEM_RD(bp, func_mb[func].drv_status) &
2672 DRV_STATUS_PMF)
2673 bnx2x_pmf_update(bp);
2674
2675 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002676
2677 BNX2X_ERR("MC assert!\n");
2678 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
2679 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
2680 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
2681 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
2682 bnx2x_panic();
2683
2684 } else if (attn & BNX2X_MCP_ASSERT) {
2685
2686 BNX2X_ERR("MCP assert!\n");
2687 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002688 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002689
2690 } else
2691 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
2692 }
2693
2694 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002695 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
2696 if (attn & BNX2X_GRC_TIMEOUT) {
2697 val = CHIP_IS_E1H(bp) ?
2698 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN) : 0;
2699 BNX2X_ERR("GRC time-out 0x%08x\n", val);
2700 }
2701 if (attn & BNX2X_GRC_RSV) {
2702 val = CHIP_IS_E1H(bp) ?
2703 REG_RD(bp, MISC_REG_GRC_RSV_ATTN) : 0;
2704 BNX2X_ERR("GRC reserved 0x%08x\n", val);
2705 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002706 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002707 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002708}
2709
2710static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
2711{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002712 struct attn_route attn;
2713 struct attn_route group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002714 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002715 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002716 u32 reg_addr;
2717 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002718 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002719
2720 /* need to take HW lock because MCP or other port might also
2721 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002722 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002723
2724 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
2725 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
2726 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
2727 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002728 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x\n",
2729 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002730
2731 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
2732 if (deasserted & (1 << index)) {
2733 group_mask = bp->attn_group[index];
2734
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002735 DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x\n",
2736 index, group_mask.sig[0], group_mask.sig[1],
2737 group_mask.sig[2], group_mask.sig[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002738
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002739 bnx2x_attn_int_deasserted3(bp,
2740 attn.sig[3] & group_mask.sig[3]);
2741 bnx2x_attn_int_deasserted1(bp,
2742 attn.sig[1] & group_mask.sig[1]);
2743 bnx2x_attn_int_deasserted2(bp,
2744 attn.sig[2] & group_mask.sig[2]);
2745 bnx2x_attn_int_deasserted0(bp,
2746 attn.sig[0] & group_mask.sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002747
2748 if ((attn.sig[0] & group_mask.sig[0] &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002749 HW_PRTY_ASSERT_SET_0) ||
2750 (attn.sig[1] & group_mask.sig[1] &
2751 HW_PRTY_ASSERT_SET_1) ||
2752 (attn.sig[2] & group_mask.sig[2] &
2753 HW_PRTY_ASSERT_SET_2))
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002754 BNX2X_ERR("FATAL HW block parity attention\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002755 }
2756 }
2757
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002758 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002759
Eilon Greenstein5c862842008-08-13 15:51:48 -07002760 reg_addr = (HC_REG_COMMAND_REG + port*32 + COMMAND_REG_ATTN_BITS_CLR);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002761
2762 val = ~deasserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002763 DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2764 val, reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07002765 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002766
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002767 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002768 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002769
2770 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2771 MISC_REG_AEU_MASK_ATTN_FUNC_0;
2772
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002773 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2774 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002775
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002776 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
2777 aeu_mask, deasserted);
2778 aeu_mask |= (deasserted & 0xff);
2779 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
2780
2781 REG_WR(bp, reg_addr, aeu_mask);
2782 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002783
2784 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2785 bp->attn_state &= ~deasserted;
2786 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2787}
2788
2789static void bnx2x_attn_int(struct bnx2x *bp)
2790{
2791 /* read local copy of bits */
2792 u32 attn_bits = bp->def_status_blk->atten_status_block.attn_bits;
2793 u32 attn_ack = bp->def_status_blk->atten_status_block.attn_bits_ack;
2794 u32 attn_state = bp->attn_state;
2795
2796 /* look for changed bits */
2797 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
2798 u32 deasserted = ~attn_bits & attn_ack & attn_state;
2799
2800 DP(NETIF_MSG_HW,
2801 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
2802 attn_bits, attn_ack, asserted, deasserted);
2803
2804 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002805 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002806
2807 /* handle bits that were raised */
2808 if (asserted)
2809 bnx2x_attn_int_asserted(bp, asserted);
2810
2811 if (deasserted)
2812 bnx2x_attn_int_deasserted(bp, deasserted);
2813}
2814
2815static void bnx2x_sp_task(struct work_struct *work)
2816{
2817 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task);
2818 u16 status;
2819
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002820
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002821 /* Return here if interrupt is disabled */
2822 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002823 DP(BNX2X_MSG_SP, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002824 return;
2825 }
2826
2827 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002828/* if (status == 0) */
2829/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002830
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002831 DP(BNX2X_MSG_SP, "got a slowpath interrupt (updated %x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002832
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002833 /* HW attentions */
2834 if (status & 0x1)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002835 bnx2x_attn_int(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002836
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002837 /* CStorm events: query_stats, port delete ramrod */
2838 if (status & 0x2)
2839 bp->stats_pending = 0;
2840
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002841 bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, bp->def_att_idx,
2842 IGU_INT_NOP, 1);
2843 bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx),
2844 IGU_INT_NOP, 1);
2845 bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx),
2846 IGU_INT_NOP, 1);
2847 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx),
2848 IGU_INT_NOP, 1);
2849 bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx),
2850 IGU_INT_ENABLE, 1);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002851
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002852}
2853
2854static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
2855{
2856 struct net_device *dev = dev_instance;
2857 struct bnx2x *bp = netdev_priv(dev);
2858
2859 /* Return here if interrupt is disabled */
2860 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002861 DP(BNX2X_MSG_SP, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002862 return IRQ_HANDLED;
2863 }
2864
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002865 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, 0, IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002866
2867#ifdef BNX2X_STOP_ON_ERROR
2868 if (unlikely(bp->panic))
2869 return IRQ_HANDLED;
2870#endif
2871
2872 schedule_work(&bp->sp_task);
2873
2874 return IRQ_HANDLED;
2875}
2876
2877/* end of slow path */
2878
2879/* Statistics */
2880
2881/****************************************************************************
2882* Macros
2883****************************************************************************/
2884
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002885/* sum[hi:lo] += add[hi:lo] */
2886#define ADD_64(s_hi, a_hi, s_lo, a_lo) \
2887 do { \
2888 s_lo += a_lo; \
2889 s_hi += a_hi + (s_lo < a_lo) ? 1 : 0; \
2890 } while (0)
2891
2892/* difference = minuend - subtrahend */
2893#define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
2894 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002895 if (m_lo < s_lo) { \
2896 /* underflow */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002897 d_hi = m_hi - s_hi; \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002898 if (d_hi > 0) { \
2899 /* we can 'loan' 1 */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002900 d_hi--; \
2901 d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002902 } else { \
2903 /* m_hi <= s_hi */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002904 d_hi = 0; \
2905 d_lo = 0; \
2906 } \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002907 } else { \
2908 /* m_lo >= s_lo */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002909 if (m_hi < s_hi) { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002910 d_hi = 0; \
2911 d_lo = 0; \
2912 } else { \
2913 /* m_hi >= s_hi */ \
2914 d_hi = m_hi - s_hi; \
2915 d_lo = m_lo - s_lo; \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002916 } \
2917 } \
2918 } while (0)
2919
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002920#define UPDATE_STAT64(s, t) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002921 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002922 DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
2923 diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
2924 pstats->mac_stx[0].t##_hi = new->s##_hi; \
2925 pstats->mac_stx[0].t##_lo = new->s##_lo; \
2926 ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
2927 pstats->mac_stx[1].t##_lo, diff.lo); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002928 } while (0)
2929
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002930#define UPDATE_STAT64_NIG(s, t) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002931 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002932 DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
2933 diff.lo, new->s##_lo, old->s##_lo); \
2934 ADD_64(estats->t##_hi, diff.hi, \
2935 estats->t##_lo, diff.lo); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002936 } while (0)
2937
2938/* sum[hi:lo] += add */
2939#define ADD_EXTEND_64(s_hi, s_lo, a) \
2940 do { \
2941 s_lo += a; \
2942 s_hi += (s_lo < a) ? 1 : 0; \
2943 } while (0)
2944
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002945#define UPDATE_EXTEND_STAT(s) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002946 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002947 ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
2948 pstats->mac_stx[1].s##_lo, \
2949 new->s); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002950 } while (0)
2951
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002952#define UPDATE_EXTEND_TSTAT(s, t) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002953 do { \
2954 diff = le32_to_cpu(tclient->s) - old_tclient->s; \
2955 old_tclient->s = le32_to_cpu(tclient->s); \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002956 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
2957 } while (0)
2958
2959#define UPDATE_EXTEND_XSTAT(s, t) \
2960 do { \
2961 diff = le32_to_cpu(xclient->s) - old_xclient->s; \
2962 old_xclient->s = le32_to_cpu(xclient->s); \
2963 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002964 } while (0)
2965
2966/*
2967 * General service functions
2968 */
2969
2970static inline long bnx2x_hilo(u32 *hiref)
2971{
2972 u32 lo = *(hiref + 1);
2973#if (BITS_PER_LONG == 64)
2974 u32 hi = *hiref;
2975
2976 return HILO_U64(hi, lo);
2977#else
2978 return lo;
2979#endif
2980}
2981
2982/*
2983 * Init service functions
2984 */
2985
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002986static void bnx2x_storm_stats_post(struct bnx2x *bp)
2987{
2988 if (!bp->stats_pending) {
2989 struct eth_query_ramrod_data ramrod_data = {0};
2990 int rc;
2991
2992 ramrod_data.drv_counter = bp->stats_counter++;
2993 ramrod_data.collect_port_1b = bp->port.pmf ? 1 : 0;
2994 ramrod_data.ctr_id_vector = (1 << BP_CL_ID(bp));
2995
2996 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0,
2997 ((u32 *)&ramrod_data)[1],
2998 ((u32 *)&ramrod_data)[0], 0);
2999 if (rc == 0) {
3000 /* stats ramrod has it's own slot on the spq */
3001 bp->spq_left++;
3002 bp->stats_pending = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003003 }
3004 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003005}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003006
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003007static void bnx2x_stats_init(struct bnx2x *bp)
3008{
3009 int port = BP_PORT(bp);
3010
3011 bp->executer_idx = 0;
3012 bp->stats_counter = 0;
3013
3014 /* port stats */
3015 if (!BP_NOMCP(bp))
3016 bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
3017 else
3018 bp->port.port_stx = 0;
3019 DP(BNX2X_MSG_STATS, "port_stx 0x%x\n", bp->port.port_stx);
3020
3021 memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
3022 bp->port.old_nig_stats.brb_discard =
3023 REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003024 bp->port.old_nig_stats.brb_truncate =
3025 REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003026 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
3027 &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
3028 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
3029 &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
3030
3031 /* function stats */
3032 memset(&bp->dev->stats, 0, sizeof(struct net_device_stats));
3033 memset(&bp->old_tclient, 0, sizeof(struct tstorm_per_client_stats));
3034 memset(&bp->old_xclient, 0, sizeof(struct xstorm_per_client_stats));
3035 memset(&bp->eth_stats, 0, sizeof(struct bnx2x_eth_stats));
3036
3037 bp->stats_state = STATS_STATE_DISABLED;
3038 if (IS_E1HMF(bp) && bp->port.pmf && bp->port.port_stx)
3039 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
3040}
3041
3042static void bnx2x_hw_stats_post(struct bnx2x *bp)
3043{
3044 struct dmae_command *dmae = &bp->stats_dmae;
3045 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3046
3047 *stats_comp = DMAE_COMP_VAL;
3048
3049 /* loader */
3050 if (bp->executer_idx) {
3051 int loader_idx = PMF_DMAE_C(bp);
3052
3053 memset(dmae, 0, sizeof(struct dmae_command));
3054
3055 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3056 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3057 DMAE_CMD_DST_RESET |
3058#ifdef __BIG_ENDIAN
3059 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3060#else
3061 DMAE_CMD_ENDIANITY_DW_SWAP |
3062#endif
3063 (BP_PORT(bp) ? DMAE_CMD_PORT_1 :
3064 DMAE_CMD_PORT_0) |
3065 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3066 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
3067 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
3068 dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
3069 sizeof(struct dmae_command) *
3070 (loader_idx + 1)) >> 2;
3071 dmae->dst_addr_hi = 0;
3072 dmae->len = sizeof(struct dmae_command) >> 2;
3073 if (CHIP_IS_E1(bp))
3074 dmae->len--;
3075 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
3076 dmae->comp_addr_hi = 0;
3077 dmae->comp_val = 1;
3078
3079 *stats_comp = 0;
3080 bnx2x_post_dmae(bp, dmae, loader_idx);
3081
3082 } else if (bp->func_stx) {
3083 *stats_comp = 0;
3084 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
3085 }
3086}
3087
3088static int bnx2x_stats_comp(struct bnx2x *bp)
3089{
3090 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3091 int cnt = 10;
3092
3093 might_sleep();
3094 while (*stats_comp != DMAE_COMP_VAL) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003095 if (!cnt) {
3096 BNX2X_ERR("timeout waiting for stats finished\n");
3097 break;
3098 }
3099 cnt--;
Yitchak Gertner12469402008-08-13 15:52:08 -07003100 msleep(1);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003101 }
3102 return 1;
3103}
3104
3105/*
3106 * Statistics service functions
3107 */
3108
3109static void bnx2x_stats_pmf_update(struct bnx2x *bp)
3110{
3111 struct dmae_command *dmae;
3112 u32 opcode;
3113 int loader_idx = PMF_DMAE_C(bp);
3114 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3115
3116 /* sanity */
3117 if (!IS_E1HMF(bp) || !bp->port.pmf || !bp->port.port_stx) {
3118 BNX2X_ERR("BUG!\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003119 return;
3120 }
3121
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003122 bp->executer_idx = 0;
3123
3124 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3125 DMAE_CMD_C_ENABLE |
3126 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3127#ifdef __BIG_ENDIAN
3128 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3129#else
3130 DMAE_CMD_ENDIANITY_DW_SWAP |
3131#endif
3132 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3133 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3134
3135 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3136 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3137 dmae->src_addr_lo = bp->port.port_stx >> 2;
3138 dmae->src_addr_hi = 0;
3139 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3140 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3141 dmae->len = DMAE_LEN32_RD_MAX;
3142 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3143 dmae->comp_addr_hi = 0;
3144 dmae->comp_val = 1;
3145
3146 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3147 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3148 dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
3149 dmae->src_addr_hi = 0;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003150 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
3151 DMAE_LEN32_RD_MAX * 4);
3152 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
3153 DMAE_LEN32_RD_MAX * 4);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003154 dmae->len = (sizeof(struct host_port_stats) >> 2) - DMAE_LEN32_RD_MAX;
3155 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3156 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3157 dmae->comp_val = DMAE_COMP_VAL;
3158
3159 *stats_comp = 0;
3160 bnx2x_hw_stats_post(bp);
3161 bnx2x_stats_comp(bp);
3162}
3163
3164static void bnx2x_port_stats_init(struct bnx2x *bp)
3165{
3166 struct dmae_command *dmae;
3167 int port = BP_PORT(bp);
3168 int vn = BP_E1HVN(bp);
3169 u32 opcode;
3170 int loader_idx = PMF_DMAE_C(bp);
3171 u32 mac_addr;
3172 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3173
3174 /* sanity */
3175 if (!bp->link_vars.link_up || !bp->port.pmf) {
3176 BNX2X_ERR("BUG!\n");
3177 return;
3178 }
3179
3180 bp->executer_idx = 0;
3181
3182 /* MCP */
3183 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3184 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3185 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3186#ifdef __BIG_ENDIAN
3187 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3188#else
3189 DMAE_CMD_ENDIANITY_DW_SWAP |
3190#endif
3191 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3192 (vn << DMAE_CMD_E1HVN_SHIFT));
3193
3194 if (bp->port.port_stx) {
3195
3196 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3197 dmae->opcode = opcode;
3198 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3199 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3200 dmae->dst_addr_lo = bp->port.port_stx >> 2;
3201 dmae->dst_addr_hi = 0;
3202 dmae->len = sizeof(struct host_port_stats) >> 2;
3203 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3204 dmae->comp_addr_hi = 0;
3205 dmae->comp_val = 1;
3206 }
3207
3208 if (bp->func_stx) {
3209
3210 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3211 dmae->opcode = opcode;
3212 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3213 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3214 dmae->dst_addr_lo = bp->func_stx >> 2;
3215 dmae->dst_addr_hi = 0;
3216 dmae->len = sizeof(struct host_func_stats) >> 2;
3217 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3218 dmae->comp_addr_hi = 0;
3219 dmae->comp_val = 1;
3220 }
3221
3222 /* MAC */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003223 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3224 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3225 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3226#ifdef __BIG_ENDIAN
3227 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3228#else
3229 DMAE_CMD_ENDIANITY_DW_SWAP |
3230#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003231 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3232 (vn << DMAE_CMD_E1HVN_SHIFT));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003233
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07003234 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003235
3236 mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
3237 NIG_REG_INGRESS_BMAC0_MEM);
3238
3239 /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
3240 BIGMAC_REGISTER_TX_STAT_GTBYT */
3241 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3242 dmae->opcode = opcode;
3243 dmae->src_addr_lo = (mac_addr +
3244 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3245 dmae->src_addr_hi = 0;
3246 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3247 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3248 dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
3249 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3250 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3251 dmae->comp_addr_hi = 0;
3252 dmae->comp_val = 1;
3253
3254 /* BIGMAC_REGISTER_RX_STAT_GR64 ..
3255 BIGMAC_REGISTER_RX_STAT_GRIPJ */
3256 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3257 dmae->opcode = opcode;
3258 dmae->src_addr_lo = (mac_addr +
3259 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3260 dmae->src_addr_hi = 0;
3261 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003262 offsetof(struct bmac_stats, rx_stat_gr64_lo));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003263 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003264 offsetof(struct bmac_stats, rx_stat_gr64_lo));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003265 dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
3266 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3267 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3268 dmae->comp_addr_hi = 0;
3269 dmae->comp_val = 1;
3270
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07003271 } else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003272
3273 mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
3274
3275 /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
3276 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3277 dmae->opcode = opcode;
3278 dmae->src_addr_lo = (mac_addr +
3279 EMAC_REG_EMAC_RX_STAT_AC) >> 2;
3280 dmae->src_addr_hi = 0;
3281 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3282 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3283 dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
3284 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3285 dmae->comp_addr_hi = 0;
3286 dmae->comp_val = 1;
3287
3288 /* EMAC_REG_EMAC_RX_STAT_AC_28 */
3289 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3290 dmae->opcode = opcode;
3291 dmae->src_addr_lo = (mac_addr +
3292 EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
3293 dmae->src_addr_hi = 0;
3294 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003295 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003296 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003297 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003298 dmae->len = 1;
3299 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3300 dmae->comp_addr_hi = 0;
3301 dmae->comp_val = 1;
3302
3303 /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
3304 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3305 dmae->opcode = opcode;
3306 dmae->src_addr_lo = (mac_addr +
3307 EMAC_REG_EMAC_TX_STAT_AC) >> 2;
3308 dmae->src_addr_hi = 0;
3309 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003310 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003311 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003312 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003313 dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
3314 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3315 dmae->comp_addr_hi = 0;
3316 dmae->comp_val = 1;
3317 }
3318
3319 /* NIG */
3320 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003321 dmae->opcode = opcode;
3322 dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
3323 NIG_REG_STAT0_BRB_DISCARD) >> 2;
3324 dmae->src_addr_hi = 0;
3325 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
3326 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
3327 dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
3328 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3329 dmae->comp_addr_hi = 0;
3330 dmae->comp_val = 1;
3331
3332 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3333 dmae->opcode = opcode;
3334 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
3335 NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
3336 dmae->src_addr_hi = 0;
3337 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3338 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3339 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3340 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3341 dmae->len = (2*sizeof(u32)) >> 2;
3342 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3343 dmae->comp_addr_hi = 0;
3344 dmae->comp_val = 1;
3345
3346 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003347 dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3348 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3349 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3350#ifdef __BIG_ENDIAN
3351 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3352#else
3353 DMAE_CMD_ENDIANITY_DW_SWAP |
3354#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003355 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3356 (vn << DMAE_CMD_E1HVN_SHIFT));
3357 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
3358 NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003359 dmae->src_addr_hi = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003360 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3361 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3362 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3363 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3364 dmae->len = (2*sizeof(u32)) >> 2;
3365 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3366 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3367 dmae->comp_val = DMAE_COMP_VAL;
3368
3369 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003370}
3371
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003372static void bnx2x_func_stats_init(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003373{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003374 struct dmae_command *dmae = &bp->stats_dmae;
3375 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003376
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003377 /* sanity */
3378 if (!bp->func_stx) {
3379 BNX2X_ERR("BUG!\n");
3380 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003381 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003382
3383 bp->executer_idx = 0;
3384 memset(dmae, 0, sizeof(struct dmae_command));
3385
3386 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3387 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3388 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3389#ifdef __BIG_ENDIAN
3390 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3391#else
3392 DMAE_CMD_ENDIANITY_DW_SWAP |
3393#endif
3394 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3395 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3396 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3397 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3398 dmae->dst_addr_lo = bp->func_stx >> 2;
3399 dmae->dst_addr_hi = 0;
3400 dmae->len = sizeof(struct host_func_stats) >> 2;
3401 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3402 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3403 dmae->comp_val = DMAE_COMP_VAL;
3404
3405 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003406}
3407
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003408static void bnx2x_stats_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003409{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003410 if (bp->port.pmf)
3411 bnx2x_port_stats_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003412
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003413 else if (bp->func_stx)
3414 bnx2x_func_stats_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003415
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003416 bnx2x_hw_stats_post(bp);
3417 bnx2x_storm_stats_post(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003418}
3419
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003420static void bnx2x_stats_pmf_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003421{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003422 bnx2x_stats_comp(bp);
3423 bnx2x_stats_pmf_update(bp);
3424 bnx2x_stats_start(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003425}
3426
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003427static void bnx2x_stats_restart(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003428{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003429 bnx2x_stats_comp(bp);
3430 bnx2x_stats_start(bp);
3431}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003432
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003433static void bnx2x_bmac_stats_update(struct bnx2x *bp)
3434{
3435 struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac_stats);
3436 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3437 struct regpair diff;
3438
3439 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
3440 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
3441 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
3442 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
3443 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
3444 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003445 UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003446 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
3447 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffpauseframesreceived);
3448 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
3449 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
3450 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
3451 UPDATE_STAT64(tx_stat_gt127,
3452 tx_stat_etherstatspkts65octetsto127octets);
3453 UPDATE_STAT64(tx_stat_gt255,
3454 tx_stat_etherstatspkts128octetsto255octets);
3455 UPDATE_STAT64(tx_stat_gt511,
3456 tx_stat_etherstatspkts256octetsto511octets);
3457 UPDATE_STAT64(tx_stat_gt1023,
3458 tx_stat_etherstatspkts512octetsto1023octets);
3459 UPDATE_STAT64(tx_stat_gt1518,
3460 tx_stat_etherstatspkts1024octetsto1522octets);
3461 UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047);
3462 UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095);
3463 UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216);
3464 UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383);
3465 UPDATE_STAT64(tx_stat_gterr,
3466 tx_stat_dot3statsinternalmactransmiterrors);
3467 UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl);
3468}
3469
3470static void bnx2x_emac_stats_update(struct bnx2x *bp)
3471{
3472 struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
3473 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3474
3475 UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
3476 UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
3477 UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
3478 UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
3479 UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
3480 UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
3481 UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
3482 UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
3483 UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
3484 UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
3485 UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
3486 UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
3487 UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
3488 UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
3489 UPDATE_EXTEND_STAT(tx_stat_outxonsent);
3490 UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
3491 UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
3492 UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
3493 UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
3494 UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
3495 UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
3496 UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
3497 UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
3498 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
3499 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
3500 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
3501 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
3502 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
3503 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
3504 UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
3505 UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
3506}
3507
3508static int bnx2x_hw_stats_update(struct bnx2x *bp)
3509{
3510 struct nig_stats *new = bnx2x_sp(bp, nig_stats);
3511 struct nig_stats *old = &(bp->port.old_nig_stats);
3512 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3513 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3514 struct regpair diff;
3515
3516 if (bp->link_vars.mac_type == MAC_TYPE_BMAC)
3517 bnx2x_bmac_stats_update(bp);
3518
3519 else if (bp->link_vars.mac_type == MAC_TYPE_EMAC)
3520 bnx2x_emac_stats_update(bp);
3521
3522 else { /* unreached */
3523 BNX2X_ERR("stats updated by dmae but no MAC active\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003524 return -1;
3525 }
3526
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003527 ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
3528 new->brb_discard - old->brb_discard);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003529 ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
3530 new->brb_truncate - old->brb_truncate);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003531
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003532 UPDATE_STAT64_NIG(egress_mac_pkt0,
3533 etherstatspkts1024octetsto1522octets);
3534 UPDATE_STAT64_NIG(egress_mac_pkt1, etherstatspktsover1522octets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003535
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003536 memcpy(old, new, sizeof(struct nig_stats));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003537
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003538 memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
3539 sizeof(struct mac_stx));
3540 estats->brb_drop_hi = pstats->brb_drop_hi;
3541 estats->brb_drop_lo = pstats->brb_drop_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003542
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003543 pstats->host_port_stats_start = ++pstats->host_port_stats_end;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003544
3545 return 0;
3546}
3547
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003548static int bnx2x_storm_stats_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003549{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003550 struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
3551 int cl_id = BP_CL_ID(bp);
3552 struct tstorm_per_port_stats *tport =
3553 &stats->tstorm_common.port_statistics;
3554 struct tstorm_per_client_stats *tclient =
3555 &stats->tstorm_common.client_statistics[cl_id];
3556 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3557 struct xstorm_per_client_stats *xclient =
3558 &stats->xstorm_common.client_statistics[cl_id];
3559 struct xstorm_per_client_stats *old_xclient = &bp->old_xclient;
3560 struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
3561 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3562 u32 diff;
3563
3564 /* are storm stats valid? */
3565 if ((u16)(le16_to_cpu(tclient->stats_counter) + 1) !=
3566 bp->stats_counter) {
3567 DP(BNX2X_MSG_STATS, "stats not updated by tstorm"
3568 " tstorm counter (%d) != stats_counter (%d)\n",
3569 tclient->stats_counter, bp->stats_counter);
3570 return -1;
3571 }
3572 if ((u16)(le16_to_cpu(xclient->stats_counter) + 1) !=
3573 bp->stats_counter) {
3574 DP(BNX2X_MSG_STATS, "stats not updated by xstorm"
3575 " xstorm counter (%d) != stats_counter (%d)\n",
3576 xclient->stats_counter, bp->stats_counter);
3577 return -2;
3578 }
3579
3580 fstats->total_bytes_received_hi =
3581 fstats->valid_bytes_received_hi =
3582 le32_to_cpu(tclient->total_rcv_bytes.hi);
3583 fstats->total_bytes_received_lo =
3584 fstats->valid_bytes_received_lo =
3585 le32_to_cpu(tclient->total_rcv_bytes.lo);
3586
3587 estats->error_bytes_received_hi =
3588 le32_to_cpu(tclient->rcv_error_bytes.hi);
3589 estats->error_bytes_received_lo =
3590 le32_to_cpu(tclient->rcv_error_bytes.lo);
3591 ADD_64(estats->error_bytes_received_hi,
3592 estats->rx_stat_ifhcinbadoctets_hi,
3593 estats->error_bytes_received_lo,
3594 estats->rx_stat_ifhcinbadoctets_lo);
3595
3596 ADD_64(fstats->total_bytes_received_hi,
3597 estats->error_bytes_received_hi,
3598 fstats->total_bytes_received_lo,
3599 estats->error_bytes_received_lo);
3600
3601 UPDATE_EXTEND_TSTAT(rcv_unicast_pkts, total_unicast_packets_received);
3602 UPDATE_EXTEND_TSTAT(rcv_multicast_pkts,
3603 total_multicast_packets_received);
3604 UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts,
3605 total_broadcast_packets_received);
3606
3607 fstats->total_bytes_transmitted_hi =
3608 le32_to_cpu(xclient->total_sent_bytes.hi);
3609 fstats->total_bytes_transmitted_lo =
3610 le32_to_cpu(xclient->total_sent_bytes.lo);
3611
3612 UPDATE_EXTEND_XSTAT(unicast_pkts_sent,
3613 total_unicast_packets_transmitted);
3614 UPDATE_EXTEND_XSTAT(multicast_pkts_sent,
3615 total_multicast_packets_transmitted);
3616 UPDATE_EXTEND_XSTAT(broadcast_pkts_sent,
3617 total_broadcast_packets_transmitted);
3618
3619 memcpy(estats, &(fstats->total_bytes_received_hi),
3620 sizeof(struct host_func_stats) - 2*sizeof(u32));
3621
3622 estats->mac_filter_discard = le32_to_cpu(tport->mac_filter_discard);
3623 estats->xxoverflow_discard = le32_to_cpu(tport->xxoverflow_discard);
3624 estats->brb_truncate_discard =
3625 le32_to_cpu(tport->brb_truncate_discard);
3626 estats->mac_discard = le32_to_cpu(tport->mac_discard);
3627
3628 old_tclient->rcv_unicast_bytes.hi =
3629 le32_to_cpu(tclient->rcv_unicast_bytes.hi);
3630 old_tclient->rcv_unicast_bytes.lo =
3631 le32_to_cpu(tclient->rcv_unicast_bytes.lo);
3632 old_tclient->rcv_broadcast_bytes.hi =
3633 le32_to_cpu(tclient->rcv_broadcast_bytes.hi);
3634 old_tclient->rcv_broadcast_bytes.lo =
3635 le32_to_cpu(tclient->rcv_broadcast_bytes.lo);
3636 old_tclient->rcv_multicast_bytes.hi =
3637 le32_to_cpu(tclient->rcv_multicast_bytes.hi);
3638 old_tclient->rcv_multicast_bytes.lo =
3639 le32_to_cpu(tclient->rcv_multicast_bytes.lo);
3640 old_tclient->total_rcv_pkts = le32_to_cpu(tclient->total_rcv_pkts);
3641
3642 old_tclient->checksum_discard = le32_to_cpu(tclient->checksum_discard);
3643 old_tclient->packets_too_big_discard =
3644 le32_to_cpu(tclient->packets_too_big_discard);
3645 estats->no_buff_discard =
3646 old_tclient->no_buff_discard = le32_to_cpu(tclient->no_buff_discard);
3647 old_tclient->ttl0_discard = le32_to_cpu(tclient->ttl0_discard);
3648
3649 old_xclient->total_sent_pkts = le32_to_cpu(xclient->total_sent_pkts);
3650 old_xclient->unicast_bytes_sent.hi =
3651 le32_to_cpu(xclient->unicast_bytes_sent.hi);
3652 old_xclient->unicast_bytes_sent.lo =
3653 le32_to_cpu(xclient->unicast_bytes_sent.lo);
3654 old_xclient->multicast_bytes_sent.hi =
3655 le32_to_cpu(xclient->multicast_bytes_sent.hi);
3656 old_xclient->multicast_bytes_sent.lo =
3657 le32_to_cpu(xclient->multicast_bytes_sent.lo);
3658 old_xclient->broadcast_bytes_sent.hi =
3659 le32_to_cpu(xclient->broadcast_bytes_sent.hi);
3660 old_xclient->broadcast_bytes_sent.lo =
3661 le32_to_cpu(xclient->broadcast_bytes_sent.lo);
3662
3663 fstats->host_func_stats_start = ++fstats->host_func_stats_end;
3664
3665 return 0;
3666}
3667
3668static void bnx2x_net_stats_update(struct bnx2x *bp)
3669{
3670 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3671 struct bnx2x_eth_stats *estats = &bp->eth_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003672 struct net_device_stats *nstats = &bp->dev->stats;
3673
3674 nstats->rx_packets =
3675 bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
3676 bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
3677 bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
3678
3679 nstats->tx_packets =
3680 bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
3681 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
3682 bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
3683
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003684 nstats->rx_bytes = bnx2x_hilo(&estats->valid_bytes_received_hi);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003685
Eliezer Tamir0e39e642008-02-28 11:54:03 -08003686 nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003687
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003688 nstats->rx_dropped = old_tclient->checksum_discard +
3689 estats->mac_discard;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003690 nstats->tx_dropped = 0;
3691
3692 nstats->multicast =
3693 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi);
3694
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003695 nstats->collisions =
3696 estats->tx_stat_dot3statssinglecollisionframes_lo +
3697 estats->tx_stat_dot3statsmultiplecollisionframes_lo +
3698 estats->tx_stat_dot3statslatecollisions_lo +
3699 estats->tx_stat_dot3statsexcessivecollisions_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003700
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003701 estats->jabber_packets_received =
3702 old_tclient->packets_too_big_discard +
3703 estats->rx_stat_dot3statsframestoolong_lo;
3704
3705 nstats->rx_length_errors =
3706 estats->rx_stat_etherstatsundersizepkts_lo +
3707 estats->jabber_packets_received;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003708 nstats->rx_over_errors = estats->brb_drop_lo + estats->brb_truncate_lo;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003709 nstats->rx_crc_errors = estats->rx_stat_dot3statsfcserrors_lo;
3710 nstats->rx_frame_errors = estats->rx_stat_dot3statsalignmenterrors_lo;
3711 nstats->rx_fifo_errors = old_tclient->no_buff_discard;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003712 nstats->rx_missed_errors = estats->xxoverflow_discard;
3713
3714 nstats->rx_errors = nstats->rx_length_errors +
3715 nstats->rx_over_errors +
3716 nstats->rx_crc_errors +
3717 nstats->rx_frame_errors +
Eliezer Tamir0e39e642008-02-28 11:54:03 -08003718 nstats->rx_fifo_errors +
3719 nstats->rx_missed_errors;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003720
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003721 nstats->tx_aborted_errors =
3722 estats->tx_stat_dot3statslatecollisions_lo +
3723 estats->tx_stat_dot3statsexcessivecollisions_lo;
3724 nstats->tx_carrier_errors = estats->rx_stat_falsecarriererrors_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003725 nstats->tx_fifo_errors = 0;
3726 nstats->tx_heartbeat_errors = 0;
3727 nstats->tx_window_errors = 0;
3728
3729 nstats->tx_errors = nstats->tx_aborted_errors +
3730 nstats->tx_carrier_errors;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003731}
3732
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003733static void bnx2x_stats_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003734{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003735 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3736 int update = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003737
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003738 if (*stats_comp != DMAE_COMP_VAL)
3739 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003740
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003741 if (bp->port.pmf)
3742 update = (bnx2x_hw_stats_update(bp) == 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003743
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003744 update |= (bnx2x_storm_stats_update(bp) == 0);
3745
3746 if (update)
3747 bnx2x_net_stats_update(bp);
3748
3749 else {
3750 if (bp->stats_pending) {
3751 bp->stats_pending++;
3752 if (bp->stats_pending == 3) {
3753 BNX2X_ERR("stats not updated for 3 times\n");
3754 bnx2x_panic();
3755 return;
3756 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003757 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003758 }
3759
3760 if (bp->msglevel & NETIF_MSG_TIMER) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003761 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3762 struct bnx2x_eth_stats *estats = &bp->eth_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003763 struct net_device_stats *nstats = &bp->dev->stats;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003764 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003765
3766 printk(KERN_DEBUG "%s:\n", bp->dev->name);
3767 printk(KERN_DEBUG " tx avail (%4x) tx hc idx (%x)"
3768 " tx pkt (%lx)\n",
3769 bnx2x_tx_avail(bp->fp),
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003770 le16_to_cpu(*bp->fp->tx_cons_sb), nstats->tx_packets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003771 printk(KERN_DEBUG " rx usage (%4x) rx hc idx (%x)"
3772 " rx pkt (%lx)\n",
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003773 (u16)(le16_to_cpu(*bp->fp->rx_cons_sb) -
3774 bp->fp->rx_comp_cons),
3775 le16_to_cpu(*bp->fp->rx_cons_sb), nstats->rx_packets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003776 printk(KERN_DEBUG " %s (Xoff events %u) brb drops %u\n",
3777 netif_queue_stopped(bp->dev)? "Xoff" : "Xon",
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003778 estats->driver_xoff, estats->brb_drop_lo);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003779 printk(KERN_DEBUG "tstats: checksum_discard %u "
3780 "packets_too_big_discard %u no_buff_discard %u "
3781 "mac_discard %u mac_filter_discard %u "
3782 "xxovrflow_discard %u brb_truncate_discard %u "
3783 "ttl0_discard %u\n",
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003784 old_tclient->checksum_discard,
3785 old_tclient->packets_too_big_discard,
3786 old_tclient->no_buff_discard, estats->mac_discard,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003787 estats->mac_filter_discard, estats->xxoverflow_discard,
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003788 estats->brb_truncate_discard,
3789 old_tclient->ttl0_discard);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003790
3791 for_each_queue(bp, i) {
3792 printk(KERN_DEBUG "[%d]: %lu\t%lu\t%lu\n", i,
3793 bnx2x_fp(bp, i, tx_pkt),
3794 bnx2x_fp(bp, i, rx_pkt),
3795 bnx2x_fp(bp, i, rx_calls));
3796 }
3797 }
3798
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003799 bnx2x_hw_stats_post(bp);
3800 bnx2x_storm_stats_post(bp);
3801}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003802
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003803static void bnx2x_port_stats_stop(struct bnx2x *bp)
3804{
3805 struct dmae_command *dmae;
3806 u32 opcode;
3807 int loader_idx = PMF_DMAE_C(bp);
3808 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003809
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003810 bp->executer_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003811
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003812 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3813 DMAE_CMD_C_ENABLE |
3814 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003815#ifdef __BIG_ENDIAN
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003816 DMAE_CMD_ENDIANITY_B_DW_SWAP |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003817#else
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003818 DMAE_CMD_ENDIANITY_DW_SWAP |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003819#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003820 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3821 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3822
3823 if (bp->port.port_stx) {
3824
3825 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3826 if (bp->func_stx)
3827 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3828 else
3829 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3830 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3831 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3832 dmae->dst_addr_lo = bp->port.port_stx >> 2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003833 dmae->dst_addr_hi = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003834 dmae->len = sizeof(struct host_port_stats) >> 2;
3835 if (bp->func_stx) {
3836 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3837 dmae->comp_addr_hi = 0;
3838 dmae->comp_val = 1;
3839 } else {
3840 dmae->comp_addr_lo =
3841 U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3842 dmae->comp_addr_hi =
3843 U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3844 dmae->comp_val = DMAE_COMP_VAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003845
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003846 *stats_comp = 0;
3847 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003848 }
3849
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003850 if (bp->func_stx) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003851
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003852 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3853 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3854 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3855 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3856 dmae->dst_addr_lo = bp->func_stx >> 2;
3857 dmae->dst_addr_hi = 0;
3858 dmae->len = sizeof(struct host_func_stats) >> 2;
3859 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3860 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3861 dmae->comp_val = DMAE_COMP_VAL;
3862
3863 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003864 }
3865}
3866
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003867static void bnx2x_stats_stop(struct bnx2x *bp)
3868{
3869 int update = 0;
3870
3871 bnx2x_stats_comp(bp);
3872
3873 if (bp->port.pmf)
3874 update = (bnx2x_hw_stats_update(bp) == 0);
3875
3876 update |= (bnx2x_storm_stats_update(bp) == 0);
3877
3878 if (update) {
3879 bnx2x_net_stats_update(bp);
3880
3881 if (bp->port.pmf)
3882 bnx2x_port_stats_stop(bp);
3883
3884 bnx2x_hw_stats_post(bp);
3885 bnx2x_stats_comp(bp);
3886 }
3887}
3888
3889static void bnx2x_stats_do_nothing(struct bnx2x *bp)
3890{
3891}
3892
3893static const struct {
3894 void (*action)(struct bnx2x *bp);
3895 enum bnx2x_stats_state next_state;
3896} bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
3897/* state event */
3898{
3899/* DISABLED PMF */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
3900/* LINK_UP */ {bnx2x_stats_start, STATS_STATE_ENABLED},
3901/* UPDATE */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
3902/* STOP */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
3903},
3904{
3905/* ENABLED PMF */ {bnx2x_stats_pmf_start, STATS_STATE_ENABLED},
3906/* LINK_UP */ {bnx2x_stats_restart, STATS_STATE_ENABLED},
3907/* UPDATE */ {bnx2x_stats_update, STATS_STATE_ENABLED},
3908/* STOP */ {bnx2x_stats_stop, STATS_STATE_DISABLED}
3909}
3910};
3911
3912static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
3913{
3914 enum bnx2x_stats_state state = bp->stats_state;
3915
3916 bnx2x_stats_stm[state][event].action(bp);
3917 bp->stats_state = bnx2x_stats_stm[state][event].next_state;
3918
3919 if ((event != STATS_EVENT_UPDATE) || (bp->msglevel & NETIF_MSG_TIMER))
3920 DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
3921 state, event, bp->stats_state);
3922}
3923
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003924static void bnx2x_timer(unsigned long data)
3925{
3926 struct bnx2x *bp = (struct bnx2x *) data;
3927
3928 if (!netif_running(bp->dev))
3929 return;
3930
3931 if (atomic_read(&bp->intr_sem) != 0)
Eliezer Tamirf1410642008-02-28 11:51:50 -08003932 goto timer_restart;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003933
3934 if (poll) {
3935 struct bnx2x_fastpath *fp = &bp->fp[0];
3936 int rc;
3937
3938 bnx2x_tx_int(fp, 1000);
3939 rc = bnx2x_rx_int(fp, 1000);
3940 }
3941
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003942 if (!BP_NOMCP(bp)) {
3943 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003944 u32 drv_pulse;
3945 u32 mcp_pulse;
3946
3947 ++bp->fw_drv_pulse_wr_seq;
3948 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3949 /* TBD - add SYSTEM_TIME */
3950 drv_pulse = bp->fw_drv_pulse_wr_seq;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003951 SHMEM_WR(bp, func_mb[func].drv_pulse_mb, drv_pulse);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003952
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003953 mcp_pulse = (SHMEM_RD(bp, func_mb[func].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003954 MCP_PULSE_SEQ_MASK);
3955 /* The delta between driver pulse and mcp response
3956 * should be 1 (before mcp response) or 0 (after mcp response)
3957 */
3958 if ((drv_pulse != mcp_pulse) &&
3959 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3960 /* someone lost a heartbeat... */
3961 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3962 drv_pulse, mcp_pulse);
3963 }
3964 }
3965
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003966 if ((bp->state == BNX2X_STATE_OPEN) ||
3967 (bp->state == BNX2X_STATE_DISABLED))
3968 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003969
Eliezer Tamirf1410642008-02-28 11:51:50 -08003970timer_restart:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003971 mod_timer(&bp->timer, jiffies + bp->current_interval);
3972}
3973
3974/* end of Statistics */
3975
3976/* nic init */
3977
3978/*
3979 * nic init service functions
3980 */
3981
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003982static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003983{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003984 int port = BP_PORT(bp);
3985
3986 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
3987 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
3988 sizeof(struct ustorm_def_status_block)/4);
3989 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
3990 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
3991 sizeof(struct cstorm_def_status_block)/4);
3992}
3993
Eilon Greenstein5c862842008-08-13 15:51:48 -07003994static void bnx2x_init_sb(struct bnx2x *bp, struct host_status_block *sb,
3995 dma_addr_t mapping, int sb_id)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003996{
3997 int port = BP_PORT(bp);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003998 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003999 int index;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004000 u64 section;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004001
4002 /* USTORM */
4003 section = ((u64)mapping) + offsetof(struct host_status_block,
4004 u_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004005 sb->u_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004006
4007 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004008 USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004009 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004010 ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004011 U64_HI(section));
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004012 REG_WR8(bp, BAR_USTRORM_INTMEM + FP_USB_FUNC_OFF +
4013 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004014
4015 for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++)
4016 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004017 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004018
4019 /* CSTORM */
4020 section = ((u64)mapping) + offsetof(struct host_status_block,
4021 c_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004022 sb->c_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004023
4024 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004025 CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004026 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004027 ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004028 U64_HI(section));
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004029 REG_WR8(bp, BAR_CSTRORM_INTMEM + FP_CSB_FUNC_OFF +
4030 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004031
4032 for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++)
4033 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004034 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004035
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004036 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
4037}
4038
4039static void bnx2x_zero_def_sb(struct bnx2x *bp)
4040{
4041 int func = BP_FUNC(bp);
4042
4043 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
4044 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4045 sizeof(struct ustorm_def_status_block)/4);
4046 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
4047 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4048 sizeof(struct cstorm_def_status_block)/4);
4049 bnx2x_init_fill(bp, BAR_XSTRORM_INTMEM +
4050 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4051 sizeof(struct xstorm_def_status_block)/4);
4052 bnx2x_init_fill(bp, BAR_TSTRORM_INTMEM +
4053 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4054 sizeof(struct tstorm_def_status_block)/4);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004055}
4056
4057static void bnx2x_init_def_sb(struct bnx2x *bp,
4058 struct host_def_status_block *def_sb,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004059 dma_addr_t mapping, int sb_id)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004060{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004061 int port = BP_PORT(bp);
4062 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004063 int index, val, reg_offset;
4064 u64 section;
4065
4066 /* ATTN */
4067 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4068 atten_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004069 def_sb->atten_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004070
Eliezer Tamir49d66772008-02-28 11:53:13 -08004071 bp->attn_state = 0;
4072
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004073 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4074 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4075
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004076 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004077 bp->attn_group[index].sig[0] = REG_RD(bp,
4078 reg_offset + 0x10*index);
4079 bp->attn_group[index].sig[1] = REG_RD(bp,
4080 reg_offset + 0x4 + 0x10*index);
4081 bp->attn_group[index].sig[2] = REG_RD(bp,
4082 reg_offset + 0x8 + 0x10*index);
4083 bp->attn_group[index].sig[3] = REG_RD(bp,
4084 reg_offset + 0xc + 0x10*index);
4085 }
4086
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004087 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4088 HC_REG_ATTN_MSG0_ADDR_L);
4089
4090 REG_WR(bp, reg_offset, U64_LO(section));
4091 REG_WR(bp, reg_offset + 4, U64_HI(section));
4092
4093 reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0);
4094
4095 val = REG_RD(bp, reg_offset);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004096 val |= sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004097 REG_WR(bp, reg_offset, val);
4098
4099 /* USTORM */
4100 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4101 u_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004102 def_sb->u_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004103
4104 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004105 USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004106 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004107 ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004108 U64_HI(section));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004109 REG_WR8(bp, BAR_USTRORM_INTMEM + DEF_USB_FUNC_OFF +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004110 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004111
4112 for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++)
4113 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004114 USTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004115
4116 /* CSTORM */
4117 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4118 c_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004119 def_sb->c_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004120
4121 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004122 CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004123 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004124 ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004125 U64_HI(section));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004126 REG_WR8(bp, BAR_CSTRORM_INTMEM + DEF_CSB_FUNC_OFF +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004127 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004128
4129 for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++)
4130 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004131 CSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004132
4133 /* TSTORM */
4134 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4135 t_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004136 def_sb->t_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004137
4138 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004139 TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004140 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004141 ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004142 U64_HI(section));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004143 REG_WR8(bp, BAR_TSTRORM_INTMEM + DEF_TSB_FUNC_OFF +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004144 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004145
4146 for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++)
4147 REG_WR16(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004148 TSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004149
4150 /* XSTORM */
4151 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4152 x_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004153 def_sb->x_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004154
4155 REG_WR(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004156 XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004157 REG_WR(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004158 ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004159 U64_HI(section));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004160 REG_WR8(bp, BAR_XSTRORM_INTMEM + DEF_XSB_FUNC_OFF +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004161 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004162
4163 for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++)
4164 REG_WR16(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004165 XSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004166
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004167 bp->stats_pending = 0;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004168 bp->set_mac_pending = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004169
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004170 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004171}
4172
4173static void bnx2x_update_coalesce(struct bnx2x *bp)
4174{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004175 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004176 int i;
4177
4178 for_each_queue(bp, i) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004179 int sb_id = bp->fp[i].sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004180
4181 /* HC_INDEX_U_ETH_RX_CQ_CONS */
4182 REG_WR8(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004183 USTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
Eilon Greenstein5c862842008-08-13 15:51:48 -07004184 U_SB_ETH_RX_CQ_INDEX),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004185 bp->rx_ticks/12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004186 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004187 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
Eilon Greenstein5c862842008-08-13 15:51:48 -07004188 U_SB_ETH_RX_CQ_INDEX),
4189 bp->rx_ticks ? 0 : 1);
4190 REG_WR16(bp, BAR_USTRORM_INTMEM +
4191 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4192 U_SB_ETH_RX_BD_INDEX),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004193 bp->rx_ticks ? 0 : 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004194
4195 /* HC_INDEX_C_ETH_TX_CQ_CONS */
4196 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004197 CSTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
Eilon Greenstein5c862842008-08-13 15:51:48 -07004198 C_SB_ETH_TX_CQ_INDEX),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004199 bp->tx_ticks/12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004200 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004201 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
Eilon Greenstein5c862842008-08-13 15:51:48 -07004202 C_SB_ETH_TX_CQ_INDEX),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004203 bp->tx_ticks ? 0 : 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004204 }
4205}
4206
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004207static inline void bnx2x_free_tpa_pool(struct bnx2x *bp,
4208 struct bnx2x_fastpath *fp, int last)
4209{
4210 int i;
4211
4212 for (i = 0; i < last; i++) {
4213 struct sw_rx_bd *rx_buf = &(fp->tpa_pool[i]);
4214 struct sk_buff *skb = rx_buf->skb;
4215
4216 if (skb == NULL) {
4217 DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i);
4218 continue;
4219 }
4220
4221 if (fp->tpa_state[i] == BNX2X_TPA_START)
4222 pci_unmap_single(bp->pdev,
4223 pci_unmap_addr(rx_buf, mapping),
4224 bp->rx_buf_use_size,
4225 PCI_DMA_FROMDEVICE);
4226
4227 dev_kfree_skb(skb);
4228 rx_buf->skb = NULL;
4229 }
4230}
4231
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004232static void bnx2x_init_rx_rings(struct bnx2x *bp)
4233{
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004234 int func = BP_FUNC(bp);
Eilon Greenstein32626232008-08-13 15:51:07 -07004235 int max_agg_queues = CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 :
4236 ETH_MAX_AGGREGATION_QUEUES_E1H;
4237 u16 ring_prod, cqe_ring_prod;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004238 int i, j;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004239
4240 bp->rx_buf_use_size = bp->dev->mtu;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004241 bp->rx_buf_use_size += bp->rx_offset + ETH_OVREHEAD;
4242 bp->rx_buf_size = bp->rx_buf_use_size + 64;
4243
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004244 if (bp->flags & TPA_ENABLE_FLAG) {
4245 DP(NETIF_MSG_IFUP,
4246 "rx_buf_use_size %d rx_buf_size %d effective_mtu %d\n",
4247 bp->rx_buf_use_size, bp->rx_buf_size,
4248 bp->dev->mtu + ETH_OVREHEAD);
4249
4250 for_each_queue(bp, j) {
Eilon Greenstein32626232008-08-13 15:51:07 -07004251 struct bnx2x_fastpath *fp = &bp->fp[j];
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004252
Eilon Greenstein32626232008-08-13 15:51:07 -07004253 for (i = 0; i < max_agg_queues; i++) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004254 fp->tpa_pool[i].skb =
4255 netdev_alloc_skb(bp->dev, bp->rx_buf_size);
4256 if (!fp->tpa_pool[i].skb) {
4257 BNX2X_ERR("Failed to allocate TPA "
4258 "skb pool for queue[%d] - "
4259 "disabling TPA on this "
4260 "queue!\n", j);
4261 bnx2x_free_tpa_pool(bp, fp, i);
4262 fp->disable_tpa = 1;
4263 break;
4264 }
4265 pci_unmap_addr_set((struct sw_rx_bd *)
4266 &bp->fp->tpa_pool[i],
4267 mapping, 0);
4268 fp->tpa_state[i] = BNX2X_TPA_STOP;
4269 }
4270 }
4271 }
4272
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004273 for_each_queue(bp, j) {
4274 struct bnx2x_fastpath *fp = &bp->fp[j];
4275
4276 fp->rx_bd_cons = 0;
4277 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004278 fp->rx_bd_cons_sb = BNX2X_RX_SB_BD_INDEX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004279
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004280 /* "next page" elements initialization */
4281 /* SGE ring */
4282 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
4283 struct eth_rx_sge *sge;
4284
4285 sge = &fp->rx_sge_ring[RX_SGE_CNT * i - 2];
4286 sge->addr_hi =
4287 cpu_to_le32(U64_HI(fp->rx_sge_mapping +
4288 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4289 sge->addr_lo =
4290 cpu_to_le32(U64_LO(fp->rx_sge_mapping +
4291 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4292 }
4293
4294 bnx2x_init_sge_ring_bit_mask(fp);
4295
4296 /* RX BD ring */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004297 for (i = 1; i <= NUM_RX_RINGS; i++) {
4298 struct eth_rx_bd *rx_bd;
4299
4300 rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2];
4301 rx_bd->addr_hi =
4302 cpu_to_le32(U64_HI(fp->rx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004303 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004304 rx_bd->addr_lo =
4305 cpu_to_le32(U64_LO(fp->rx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004306 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004307 }
4308
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004309 /* CQ ring */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004310 for (i = 1; i <= NUM_RCQ_RINGS; i++) {
4311 struct eth_rx_cqe_next_page *nextpg;
4312
4313 nextpg = (struct eth_rx_cqe_next_page *)
4314 &fp->rx_comp_ring[RCQ_DESC_CNT * i - 1];
4315 nextpg->addr_hi =
4316 cpu_to_le32(U64_HI(fp->rx_comp_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004317 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004318 nextpg->addr_lo =
4319 cpu_to_le32(U64_LO(fp->rx_comp_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004320 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004321 }
4322
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004323 /* Allocate SGEs and initialize the ring elements */
4324 for (i = 0, ring_prod = 0;
4325 i < MAX_RX_SGE_CNT*NUM_RX_SGE_PAGES; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004326
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004327 if (bnx2x_alloc_rx_sge(bp, fp, ring_prod) < 0) {
4328 BNX2X_ERR("was only able to allocate "
4329 "%d rx sges\n", i);
4330 BNX2X_ERR("disabling TPA for queue[%d]\n", j);
4331 /* Cleanup already allocated elements */
4332 bnx2x_free_rx_sge_range(bp, fp, ring_prod);
Eilon Greenstein32626232008-08-13 15:51:07 -07004333 bnx2x_free_tpa_pool(bp, fp, max_agg_queues);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004334 fp->disable_tpa = 1;
4335 ring_prod = 0;
4336 break;
4337 }
4338 ring_prod = NEXT_SGE_IDX(ring_prod);
4339 }
4340 fp->rx_sge_prod = ring_prod;
4341
4342 /* Allocate BDs and initialize BD ring */
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004343 fp->rx_comp_cons = 0;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004344 cqe_ring_prod = ring_prod = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004345 for (i = 0; i < bp->rx_ring_size; i++) {
4346 if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) {
4347 BNX2X_ERR("was only able to allocate "
4348 "%d rx skbs\n", i);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004349 bp->eth_stats.rx_skb_alloc_failed++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004350 break;
4351 }
4352 ring_prod = NEXT_RX_IDX(ring_prod);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004353 cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod);
Ilpo Järvinen53e5e962008-07-25 21:40:45 -07004354 WARN_ON(ring_prod <= i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004355 }
4356
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004357 fp->rx_bd_prod = ring_prod;
4358 /* must not have more available CQEs than BDs */
4359 fp->rx_comp_prod = min((u16)(NUM_RCQ_RINGS*RCQ_DESC_CNT),
4360 cqe_ring_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004361 fp->rx_pkt = fp->rx_calls = 0;
4362
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004363 /* Warning!
4364 * this will generate an interrupt (to the TSTORM)
4365 * must only be done after chip is initialized
4366 */
4367 bnx2x_update_rx_prod(bp, fp, ring_prod, fp->rx_comp_prod,
4368 fp->rx_sge_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004369 if (j != 0)
4370 continue;
4371
4372 REG_WR(bp, BAR_USTRORM_INTMEM +
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004373 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004374 U64_LO(fp->rx_comp_mapping));
4375 REG_WR(bp, BAR_USTRORM_INTMEM +
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004376 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004377 U64_HI(fp->rx_comp_mapping));
4378 }
4379}
4380
4381static void bnx2x_init_tx_ring(struct bnx2x *bp)
4382{
4383 int i, j;
4384
4385 for_each_queue(bp, j) {
4386 struct bnx2x_fastpath *fp = &bp->fp[j];
4387
4388 for (i = 1; i <= NUM_TX_RINGS; i++) {
4389 struct eth_tx_bd *tx_bd =
4390 &fp->tx_desc_ring[TX_DESC_CNT * i - 1];
4391
4392 tx_bd->addr_hi =
4393 cpu_to_le32(U64_HI(fp->tx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004394 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004395 tx_bd->addr_lo =
4396 cpu_to_le32(U64_LO(fp->tx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004397 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004398 }
4399
4400 fp->tx_pkt_prod = 0;
4401 fp->tx_pkt_cons = 0;
4402 fp->tx_bd_prod = 0;
4403 fp->tx_bd_cons = 0;
4404 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4405 fp->tx_pkt = 0;
4406 }
4407}
4408
4409static void bnx2x_init_sp_ring(struct bnx2x *bp)
4410{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004411 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004412
4413 spin_lock_init(&bp->spq_lock);
4414
4415 bp->spq_left = MAX_SPQ_PENDING;
4416 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004417 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4418 bp->spq_prod_bd = bp->spq;
4419 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
4420
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004421 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004422 U64_LO(bp->spq_mapping));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004423 REG_WR(bp,
4424 XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004425 U64_HI(bp->spq_mapping));
4426
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004427 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004428 bp->spq_prod_idx);
4429}
4430
4431static void bnx2x_init_context(struct bnx2x *bp)
4432{
4433 int i;
4434
4435 for_each_queue(bp, i) {
4436 struct eth_context *context = bnx2x_sp(bp, context[i].eth);
4437 struct bnx2x_fastpath *fp = &bp->fp[i];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004438 u8 sb_id = FP_SB_ID(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004439
4440 context->xstorm_st_context.tx_bd_page_base_hi =
4441 U64_HI(fp->tx_desc_mapping);
4442 context->xstorm_st_context.tx_bd_page_base_lo =
4443 U64_LO(fp->tx_desc_mapping);
4444 context->xstorm_st_context.db_data_addr_hi =
4445 U64_HI(fp->tx_prods_mapping);
4446 context->xstorm_st_context.db_data_addr_lo =
4447 U64_LO(fp->tx_prods_mapping);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004448 context->xstorm_st_context.statistics_data = (BP_CL_ID(bp) |
4449 XSTORM_ETH_ST_CONTEXT_STATISTICS_ENABLE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004450
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004451 context->ustorm_st_context.common.sb_index_numbers =
4452 BNX2X_RX_SB_INDEX_NUM;
4453 context->ustorm_st_context.common.clientId = FP_CL_ID(fp);
4454 context->ustorm_st_context.common.status_block_id = sb_id;
4455 context->ustorm_st_context.common.flags =
4456 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_MC_ALIGNMENT;
4457 context->ustorm_st_context.common.mc_alignment_size = 64;
4458 context->ustorm_st_context.common.bd_buff_size =
4459 bp->rx_buf_use_size;
4460 context->ustorm_st_context.common.bd_page_base_hi =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004461 U64_HI(fp->rx_desc_mapping);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004462 context->ustorm_st_context.common.bd_page_base_lo =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004463 U64_LO(fp->rx_desc_mapping);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004464 if (!fp->disable_tpa) {
4465 context->ustorm_st_context.common.flags |=
4466 (USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_TPA |
4467 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_SGE_RING);
4468 context->ustorm_st_context.common.sge_buff_size =
4469 (u16)(BCM_PAGE_SIZE*PAGES_PER_SGE);
4470 context->ustorm_st_context.common.sge_page_base_hi =
4471 U64_HI(fp->rx_sge_mapping);
4472 context->ustorm_st_context.common.sge_page_base_lo =
4473 U64_LO(fp->rx_sge_mapping);
4474 }
4475
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004476 context->cstorm_st_context.sb_index_number =
Eilon Greenstein5c862842008-08-13 15:51:48 -07004477 C_SB_ETH_TX_CQ_INDEX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004478 context->cstorm_st_context.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004479
4480 context->xstorm_ag_context.cdu_reserved =
4481 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4482 CDU_REGION_NUMBER_XCM_AG,
4483 ETH_CONNECTION_TYPE);
4484 context->ustorm_ag_context.cdu_usage =
4485 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4486 CDU_REGION_NUMBER_UCM_AG,
4487 ETH_CONNECTION_TYPE);
4488 }
4489}
4490
4491static void bnx2x_init_ind_table(struct bnx2x *bp)
4492{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004493 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004494 int i;
4495
4496 if (!is_multi(bp))
4497 return;
4498
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004499 DP(NETIF_MSG_IFUP, "Initializing indirection table\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004500 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004501 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4502 TSTORM_INDIRECTION_TABLE_OFFSET(port) + i,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004503 i % bp->num_queues);
4504
4505 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
4506}
4507
Eliezer Tamir49d66772008-02-28 11:53:13 -08004508static void bnx2x_set_client_config(struct bnx2x *bp)
4509{
Eliezer Tamir49d66772008-02-28 11:53:13 -08004510 struct tstorm_eth_client_config tstorm_client = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004511 int port = BP_PORT(bp);
4512 int i;
Eliezer Tamir49d66772008-02-28 11:53:13 -08004513
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004514 tstorm_client.mtu = bp->dev->mtu + ETH_OVREHEAD;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004515 tstorm_client.statistics_counter_id = BP_CL_ID(bp);
Eliezer Tamir49d66772008-02-28 11:53:13 -08004516 tstorm_client.config_flags =
4517 TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE;
4518#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004519 if (bp->rx_mode && bp->vlgrp) {
Eliezer Tamir49d66772008-02-28 11:53:13 -08004520 tstorm_client.config_flags |=
4521 TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE;
4522 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
4523 }
4524#endif
Eliezer Tamir49d66772008-02-28 11:53:13 -08004525
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004526 if (bp->flags & TPA_ENABLE_FLAG) {
4527 tstorm_client.max_sges_for_packet =
4528 BCM_PAGE_ALIGN(tstorm_client.mtu) >> BCM_PAGE_SHIFT;
4529 tstorm_client.max_sges_for_packet =
4530 ((tstorm_client.max_sges_for_packet +
4531 PAGES_PER_SGE - 1) & (~(PAGES_PER_SGE - 1))) >>
4532 PAGES_PER_SGE_SHIFT;
4533
4534 tstorm_client.config_flags |=
4535 TSTORM_ETH_CLIENT_CONFIG_ENABLE_SGE_RING;
4536 }
4537
Eliezer Tamir49d66772008-02-28 11:53:13 -08004538 for_each_queue(bp, i) {
4539 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004540 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id),
Eliezer Tamir49d66772008-02-28 11:53:13 -08004541 ((u32 *)&tstorm_client)[0]);
4542 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004543 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id) + 4,
Eliezer Tamir49d66772008-02-28 11:53:13 -08004544 ((u32 *)&tstorm_client)[1]);
4545 }
4546
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004547 DP(BNX2X_MSG_OFF, "tstorm_client: 0x%08x 0x%08x\n",
4548 ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]);
Eliezer Tamir49d66772008-02-28 11:53:13 -08004549}
4550
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004551static void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
4552{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004553 struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004554 int mode = bp->rx_mode;
4555 int mask = (1 << BP_L_ID(bp));
4556 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004557 int i;
4558
4559 DP(NETIF_MSG_RX_STATUS, "rx mode is %d\n", mode);
4560
4561 switch (mode) {
4562 case BNX2X_RX_MODE_NONE: /* no Rx */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004563 tstorm_mac_filter.ucast_drop_all = mask;
4564 tstorm_mac_filter.mcast_drop_all = mask;
4565 tstorm_mac_filter.bcast_drop_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004566 break;
4567 case BNX2X_RX_MODE_NORMAL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004568 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004569 break;
4570 case BNX2X_RX_MODE_ALLMULTI:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004571 tstorm_mac_filter.mcast_accept_all = mask;
4572 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004573 break;
4574 case BNX2X_RX_MODE_PROMISC:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004575 tstorm_mac_filter.ucast_accept_all = mask;
4576 tstorm_mac_filter.mcast_accept_all = mask;
4577 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004578 break;
4579 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004580 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4581 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004582 }
4583
4584 for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) {
4585 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004586 TSTORM_MAC_FILTER_CONFIG_OFFSET(func) + i * 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004587 ((u32 *)&tstorm_mac_filter)[i]);
4588
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004589/* DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004590 ((u32 *)&tstorm_mac_filter)[i]); */
4591 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004592
Eliezer Tamir49d66772008-02-28 11:53:13 -08004593 if (mode != BNX2X_RX_MODE_NONE)
4594 bnx2x_set_client_config(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004595}
4596
Eilon Greenstein471de712008-08-13 15:49:35 -07004597static void bnx2x_init_internal_common(struct bnx2x *bp)
4598{
4599 int i;
4600
4601 /* Zero this manually as its initialization is
4602 currently missing in the initTool */
4603 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4604 REG_WR(bp, BAR_USTRORM_INTMEM +
4605 USTORM_AGG_DATA_OFFSET + i * 4, 0);
4606}
4607
4608static void bnx2x_init_internal_port(struct bnx2x *bp)
4609{
4610 int port = BP_PORT(bp);
4611
4612 REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4613 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4614 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4615 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4616}
4617
4618static void bnx2x_init_internal_func(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004619{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004620 struct tstorm_eth_function_common_config tstorm_config = {0};
4621 struct stats_indication_flags stats_flags = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004622 int port = BP_PORT(bp);
4623 int func = BP_FUNC(bp);
4624 int i;
Eilon Greenstein471de712008-08-13 15:49:35 -07004625 u16 max_agg_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004626
4627 if (is_multi(bp)) {
4628 tstorm_config.config_flags = MULTI_FLAGS;
4629 tstorm_config.rss_result_mask = MULTI_MASK;
4630 }
4631
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004632 tstorm_config.leading_client_id = BP_L_ID(bp);
4633
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004634 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004635 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004636 (*(u32 *)&tstorm_config));
4637
Eliezer Tamirc14423f2008-02-28 11:49:42 -08004638 bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004639 bnx2x_set_storm_rx_mode(bp);
4640
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004641 /* reset xstorm per client statistics */
4642 for (i = 0; i < sizeof(struct xstorm_per_client_stats) / 4; i++) {
4643 REG_WR(bp, BAR_XSTRORM_INTMEM +
4644 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4645 i*4, 0);
4646 }
4647 /* reset tstorm per client statistics */
4648 for (i = 0; i < sizeof(struct tstorm_per_client_stats) / 4; i++) {
4649 REG_WR(bp, BAR_TSTRORM_INTMEM +
4650 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4651 i*4, 0);
4652 }
4653
4654 /* Init statistics related context */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004655 stats_flags.collect_eth = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004656
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004657 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004658 ((u32 *)&stats_flags)[0]);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004659 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004660 ((u32 *)&stats_flags)[1]);
4661
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004662 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004663 ((u32 *)&stats_flags)[0]);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004664 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004665 ((u32 *)&stats_flags)[1]);
4666
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004667 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004668 ((u32 *)&stats_flags)[0]);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004669 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004670 ((u32 *)&stats_flags)[1]);
4671
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004672 REG_WR(bp, BAR_XSTRORM_INTMEM +
4673 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4674 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4675 REG_WR(bp, BAR_XSTRORM_INTMEM +
4676 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4677 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
4678
4679 REG_WR(bp, BAR_TSTRORM_INTMEM +
4680 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4681 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4682 REG_WR(bp, BAR_TSTRORM_INTMEM +
4683 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4684 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004685
4686 if (CHIP_IS_E1H(bp)) {
4687 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
4688 IS_E1HMF(bp));
4689 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
4690 IS_E1HMF(bp));
4691 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
4692 IS_E1HMF(bp));
4693 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
4694 IS_E1HMF(bp));
4695
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004696 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(func),
4697 bp->e1hov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004698 }
4699
Eilon Greenstein471de712008-08-13 15:49:35 -07004700 /* Init CQ ring mapping and aggregation size */
4701 max_agg_size = min((u32)(bp->rx_buf_use_size +
4702 8*BCM_PAGE_SIZE*PAGES_PER_SGE),
4703 (u32)0xffff);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004704 for_each_queue(bp, i) {
4705 struct bnx2x_fastpath *fp = &bp->fp[i];
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004706
4707 REG_WR(bp, BAR_USTRORM_INTMEM +
4708 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)),
4709 U64_LO(fp->rx_comp_mapping));
4710 REG_WR(bp, BAR_USTRORM_INTMEM +
4711 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)) + 4,
4712 U64_HI(fp->rx_comp_mapping));
4713
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004714 REG_WR16(bp, BAR_USTRORM_INTMEM +
4715 USTORM_MAX_AGG_SIZE_OFFSET(port, FP_CL_ID(fp)),
4716 max_agg_size);
4717 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004718}
4719
Eilon Greenstein471de712008-08-13 15:49:35 -07004720static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4721{
4722 switch (load_code) {
4723 case FW_MSG_CODE_DRV_LOAD_COMMON:
4724 bnx2x_init_internal_common(bp);
4725 /* no break */
4726
4727 case FW_MSG_CODE_DRV_LOAD_PORT:
4728 bnx2x_init_internal_port(bp);
4729 /* no break */
4730
4731 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
4732 bnx2x_init_internal_func(bp);
4733 break;
4734
4735 default:
4736 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4737 break;
4738 }
4739}
4740
4741static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004742{
4743 int i;
4744
4745 for_each_queue(bp, i) {
4746 struct bnx2x_fastpath *fp = &bp->fp[i];
4747
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004748 fp->bp = bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004749 fp->state = BNX2X_FP_STATE_CLOSED;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004750 fp->index = i;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004751 fp->cl_id = BP_L_ID(bp) + i;
4752 fp->sb_id = fp->cl_id;
4753 DP(NETIF_MSG_IFUP,
4754 "bnx2x_init_sb(%p,%p) index %d cl_id %d sb %d\n",
4755 bp, fp->status_blk, i, FP_CL_ID(fp), FP_SB_ID(fp));
Eilon Greenstein5c862842008-08-13 15:51:48 -07004756 bnx2x_init_sb(bp, fp->status_blk, fp->status_blk_mapping,
4757 FP_SB_ID(fp));
4758 bnx2x_update_fpsb_idx(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004759 }
4760
Eilon Greenstein5c862842008-08-13 15:51:48 -07004761 bnx2x_init_def_sb(bp, bp->def_status_blk, bp->def_status_blk_mapping,
4762 DEF_SB_ID);
4763 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004764 bnx2x_update_coalesce(bp);
4765 bnx2x_init_rx_rings(bp);
4766 bnx2x_init_tx_ring(bp);
4767 bnx2x_init_sp_ring(bp);
4768 bnx2x_init_context(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07004769 bnx2x_init_internal(bp, load_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004770 bnx2x_init_ind_table(bp);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08004771 bnx2x_int_enable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004772}
4773
4774/* end of nic init */
4775
4776/*
4777 * gzip service functions
4778 */
4779
4780static int bnx2x_gunzip_init(struct bnx2x *bp)
4781{
4782 bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE,
4783 &bp->gunzip_mapping);
4784 if (bp->gunzip_buf == NULL)
4785 goto gunzip_nomem1;
4786
4787 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4788 if (bp->strm == NULL)
4789 goto gunzip_nomem2;
4790
4791 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4792 GFP_KERNEL);
4793 if (bp->strm->workspace == NULL)
4794 goto gunzip_nomem3;
4795
4796 return 0;
4797
4798gunzip_nomem3:
4799 kfree(bp->strm);
4800 bp->strm = NULL;
4801
4802gunzip_nomem2:
4803 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4804 bp->gunzip_mapping);
4805 bp->gunzip_buf = NULL;
4806
4807gunzip_nomem1:
4808 printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for"
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004809 " un-compression\n", bp->dev->name);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004810 return -ENOMEM;
4811}
4812
4813static void bnx2x_gunzip_end(struct bnx2x *bp)
4814{
4815 kfree(bp->strm->workspace);
4816
4817 kfree(bp->strm);
4818 bp->strm = NULL;
4819
4820 if (bp->gunzip_buf) {
4821 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4822 bp->gunzip_mapping);
4823 bp->gunzip_buf = NULL;
4824 }
4825}
4826
4827static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len)
4828{
4829 int n, rc;
4830
4831 /* check gzip header */
4832 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED))
4833 return -EINVAL;
4834
4835 n = 10;
4836
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004837#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004838
4839 if (zbuf[3] & FNAME)
4840 while ((zbuf[n++] != 0) && (n < len));
4841
4842 bp->strm->next_in = zbuf + n;
4843 bp->strm->avail_in = len - n;
4844 bp->strm->next_out = bp->gunzip_buf;
4845 bp->strm->avail_out = FW_BUF_SIZE;
4846
4847 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4848 if (rc != Z_OK)
4849 return rc;
4850
4851 rc = zlib_inflate(bp->strm, Z_FINISH);
4852 if ((rc != Z_OK) && (rc != Z_STREAM_END))
4853 printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n",
4854 bp->dev->name, bp->strm->msg);
4855
4856 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4857 if (bp->gunzip_outlen & 0x3)
4858 printk(KERN_ERR PFX "%s: Firmware decompression error:"
4859 " gunzip_outlen (%d) not aligned\n",
4860 bp->dev->name, bp->gunzip_outlen);
4861 bp->gunzip_outlen >>= 2;
4862
4863 zlib_inflateEnd(bp->strm);
4864
4865 if (rc == Z_STREAM_END)
4866 return 0;
4867
4868 return rc;
4869}
4870
4871/* nic load/unload */
4872
4873/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004874 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004875 */
4876
4877/* send a NIG loopback debug packet */
4878static void bnx2x_lb_pckt(struct bnx2x *bp)
4879{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004880 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004881
4882 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004883 wb_write[0] = 0x55555555;
4884 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004885 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004886 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004887
4888 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004889 wb_write[0] = 0x09000000;
4890 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004891 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004892 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004893}
4894
4895/* some of the internal memories
4896 * are not directly readable from the driver
4897 * to test them we send debug packets
4898 */
4899static int bnx2x_int_mem_test(struct bnx2x *bp)
4900{
4901 int factor;
4902 int count, i;
4903 u32 val = 0;
4904
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004905 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004906 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004907 else if (CHIP_REV_IS_EMUL(bp))
4908 factor = 200;
4909 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004910 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004911
4912 DP(NETIF_MSG_HW, "start part1\n");
4913
4914 /* Disable inputs of parser neighbor blocks */
4915 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4916 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4917 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4918 NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x0);
4919
4920 /* Write 0 to parser credits for CFC search request */
4921 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4922
4923 /* send Ethernet packet */
4924 bnx2x_lb_pckt(bp);
4925
4926 /* TODO do i reset NIG statistic? */
4927 /* Wait until NIG register shows 1 packet of size 0x10 */
4928 count = 1000 * factor;
4929 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004930
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004931 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4932 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004933 if (val == 0x10)
4934 break;
4935
4936 msleep(10);
4937 count--;
4938 }
4939 if (val != 0x10) {
4940 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4941 return -1;
4942 }
4943
4944 /* Wait until PRS register shows 1 packet */
4945 count = 1000 * factor;
4946 while (count) {
4947 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004948 if (val == 1)
4949 break;
4950
4951 msleep(10);
4952 count--;
4953 }
4954 if (val != 0x1) {
4955 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4956 return -2;
4957 }
4958
4959 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004960 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004961 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004962 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004963 msleep(50);
4964 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
4965 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
4966
4967 DP(NETIF_MSG_HW, "part2\n");
4968
4969 /* Disable inputs of parser neighbor blocks */
4970 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4971 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4972 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4973 NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x0);
4974
4975 /* Write 0 to parser credits for CFC search request */
4976 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4977
4978 /* send 10 Ethernet packets */
4979 for (i = 0; i < 10; i++)
4980 bnx2x_lb_pckt(bp);
4981
4982 /* Wait until NIG register shows 10 + 1
4983 packets of size 11*0x10 = 0xb0 */
4984 count = 1000 * factor;
4985 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004986
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004987 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4988 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004989 if (val == 0xb0)
4990 break;
4991
4992 msleep(10);
4993 count--;
4994 }
4995 if (val != 0xb0) {
4996 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4997 return -3;
4998 }
4999
5000 /* Wait until PRS register shows 2 packets */
5001 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5002 if (val != 2)
5003 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5004
5005 /* Write 1 to parser credits for CFC search request */
5006 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
5007
5008 /* Wait until PRS register shows 3 packets */
5009 msleep(10 * factor);
5010 /* Wait until NIG register shows 1 packet of size 0x10 */
5011 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5012 if (val != 3)
5013 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5014
5015 /* clear NIG EOP FIFO */
5016 for (i = 0; i < 11; i++)
5017 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
5018 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
5019 if (val != 1) {
5020 BNX2X_ERR("clear of NIG failed\n");
5021 return -4;
5022 }
5023
5024 /* Reset and init BRB, PRS, NIG */
5025 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
5026 msleep(50);
5027 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
5028 msleep(50);
5029 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5030 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5031#ifndef BCM_ISCSI
5032 /* set NIC mode */
5033 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5034#endif
5035
5036 /* Enable inputs of parser neighbor blocks */
5037 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
5038 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
5039 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
5040 NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x1);
5041
5042 DP(NETIF_MSG_HW, "done\n");
5043
5044 return 0; /* OK */
5045}
5046
5047static void enable_blocks_attention(struct bnx2x *bp)
5048{
5049 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5050 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
5051 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5052 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5053 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
5054 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
5055 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
5056 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
5057 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005058/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
5059/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005060 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
5061 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
5062 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005063/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
5064/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005065 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
5066 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
5067 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
5068 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005069/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
5070/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
5071 if (CHIP_REV_IS_FPGA(bp))
5072 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
5073 else
5074 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005075 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
5076 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
5077 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005078/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
5079/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005080 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
5081 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005082/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
5083 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005084}
5085
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005086
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005087static int bnx2x_init_common(struct bnx2x *bp)
5088{
5089 u32 val, i;
5090
5091 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_FUNC(bp));
5092
5093 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
5094 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
5095
5096 bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END);
5097 if (CHIP_IS_E1H(bp))
5098 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_E1HMF(bp));
5099
5100 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100);
5101 msleep(30);
5102 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0);
5103
5104 bnx2x_init_block(bp, PXP_COMMON_START, PXP_COMMON_END);
5105 if (CHIP_IS_E1(bp)) {
5106 /* enable HW interrupt from PXP on USDM overflow
5107 bit 16 on INT_MASK_0 */
5108 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005109 }
5110
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005111 bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END);
5112 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005113
5114#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005115 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5116 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5117 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5118 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5119 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
5120 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005121
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005122/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5123 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5124 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5125 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5126 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005127#endif
5128
5129#ifndef BCM_ISCSI
5130 /* set NIC mode */
5131 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5132#endif
5133
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005134 REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005135#ifdef BCM_ISCSI
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005136 REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5);
5137 REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5);
5138 REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005139#endif
5140
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005141 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5142 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005143
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005144 /* let the HW do it's magic ... */
5145 msleep(100);
5146 /* finish PXP init */
5147 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5148 if (val != 1) {
5149 BNX2X_ERR("PXP2 CFG failed\n");
5150 return -EBUSY;
5151 }
5152 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5153 if (val != 1) {
5154 BNX2X_ERR("PXP2 RD_INIT failed\n");
5155 return -EBUSY;
5156 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005157
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005158 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5159 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005160
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005161 bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005162
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005163 /* clean the DMAE memory */
5164 bp->dmae_ready = 1;
5165 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005166
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005167 bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END);
5168 bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END);
5169 bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END);
5170 bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005171
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005172 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5173 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5174 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5175 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5176
5177 bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END);
5178 /* soft reset pulse */
5179 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5180 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005181
5182#ifdef BCM_ISCSI
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005183 bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005184#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005185
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005186 bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END);
5187 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_SHIFT);
5188 if (!CHIP_REV_IS_SLOW(bp)) {
5189 /* enable hw interrupt from doorbell Q */
5190 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5191 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005192
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005193 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5194 if (CHIP_REV_IS_SLOW(bp)) {
5195 /* fix for emulation and FPGA for no pause */
5196 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0, 513);
5197 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_1, 513);
5198 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0, 0);
5199 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_1, 0);
5200 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005201
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005202 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5203 if (CHIP_IS_E1H(bp))
5204 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_E1HMF(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005205
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005206 bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END);
5207 bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END);
5208 bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END);
5209 bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005210
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005211 if (CHIP_IS_E1H(bp)) {
5212 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5213 STORM_INTMEM_SIZE_E1H/2);
5214 bnx2x_init_fill(bp,
5215 TSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5216 0, STORM_INTMEM_SIZE_E1H/2);
5217 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5218 STORM_INTMEM_SIZE_E1H/2);
5219 bnx2x_init_fill(bp,
5220 CSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5221 0, STORM_INTMEM_SIZE_E1H/2);
5222 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5223 STORM_INTMEM_SIZE_E1H/2);
5224 bnx2x_init_fill(bp,
5225 XSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5226 0, STORM_INTMEM_SIZE_E1H/2);
5227 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5228 STORM_INTMEM_SIZE_E1H/2);
5229 bnx2x_init_fill(bp,
5230 USTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5231 0, STORM_INTMEM_SIZE_E1H/2);
5232 } else { /* E1 */
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005233 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5234 STORM_INTMEM_SIZE_E1);
5235 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5236 STORM_INTMEM_SIZE_E1);
5237 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5238 STORM_INTMEM_SIZE_E1);
5239 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5240 STORM_INTMEM_SIZE_E1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005241 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005242
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005243 bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END);
5244 bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END);
5245 bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END);
5246 bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005247
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005248 /* sync semi rtc */
5249 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5250 0x80000000);
5251 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5252 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005253
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005254 bnx2x_init_block(bp, UPB_COMMON_START, UPB_COMMON_END);
5255 bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END);
5256 bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005257
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005258 REG_WR(bp, SRC_REG_SOFT_RST, 1);
5259 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) {
5260 REG_WR(bp, i, 0xc0cac01a);
5261 /* TODO: replace with something meaningful */
5262 }
5263 if (CHIP_IS_E1H(bp))
5264 bnx2x_init_block(bp, SRCH_COMMON_START, SRCH_COMMON_END);
5265 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005266
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005267 if (sizeof(union cdu_context) != 1024)
5268 /* we currently assume that a context is 1024 bytes */
5269 printk(KERN_ALERT PFX "please adjust the size of"
5270 " cdu_context(%ld)\n", (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005271
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005272 bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END);
5273 val = (4 << 24) + (0 << 12) + 1024;
5274 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
5275 if (CHIP_IS_E1(bp)) {
5276 /* !!! fix pxp client crdit until excel update */
5277 REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264);
5278 REG_WR(bp, CDU_REG_CDU_DEBUG, 0);
5279 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005280
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005281 bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END);
5282 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005283
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005284 bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END);
5285 bnx2x_init_block(bp, MISC_AEU_COMMON_START, MISC_AEU_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005286
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005287 /* PXPCS COMMON comes here */
5288 /* Reset PCIE errors for debug */
5289 REG_WR(bp, 0x2814, 0xffffffff);
5290 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005291
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005292 /* EMAC0 COMMON comes here */
5293 /* EMAC1 COMMON comes here */
5294 /* DBU COMMON comes here */
5295 /* DBG COMMON comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005296
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005297 bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END);
5298 if (CHIP_IS_E1H(bp)) {
5299 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_E1HMF(bp));
5300 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_E1HMF(bp));
5301 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005302
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005303 if (CHIP_REV_IS_SLOW(bp))
5304 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005305
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005306 /* finish CFC init */
5307 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5308 if (val != 1) {
5309 BNX2X_ERR("CFC LL_INIT failed\n");
5310 return -EBUSY;
5311 }
5312 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5313 if (val != 1) {
5314 BNX2X_ERR("CFC AC_INIT failed\n");
5315 return -EBUSY;
5316 }
5317 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5318 if (val != 1) {
5319 BNX2X_ERR("CFC CAM_INIT failed\n");
5320 return -EBUSY;
5321 }
5322 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005323
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005324 /* read NIG statistic
5325 to see if this is our first up since powerup */
5326 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5327 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005328
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005329 /* do internal memory self test */
5330 if ((CHIP_IS_E1(bp)) && (val == 0) && bnx2x_int_mem_test(bp)) {
5331 BNX2X_ERR("internal mem self test failed\n");
5332 return -EBUSY;
5333 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005334
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005335 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
5336 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5337 /* Fan failure is indicated by SPIO 5 */
5338 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
5339 MISC_REGISTERS_SPIO_INPUT_HI_Z);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005340
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005341 /* set to active low mode */
5342 val = REG_RD(bp, MISC_REG_SPIO_INT);
5343 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Eliezer Tamirf1410642008-02-28 11:51:50 -08005344 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005345 REG_WR(bp, MISC_REG_SPIO_INT, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005346
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005347 /* enable interrupt to signal the IGU */
5348 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
5349 val |= (1 << MISC_REGISTERS_SPIO_5);
5350 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
5351 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08005352
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005353 default:
5354 break;
5355 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08005356
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005357 /* clear PXP2 attentions */
5358 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005359
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005360 enable_blocks_attention(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005361
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005362 if (bp->flags & TPA_ENABLE_FLAG) {
5363 struct tstorm_eth_tpa_exist tmp = {0};
5364
5365 tmp.tpa_exist = 1;
5366
5367 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET,
5368 ((u32 *)&tmp)[0]);
5369 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET + 4,
5370 ((u32 *)&tmp)[1]);
5371 }
5372
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005373 return 0;
5374}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005375
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005376static int bnx2x_init_port(struct bnx2x *bp)
5377{
5378 int port = BP_PORT(bp);
5379 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005380
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005381 DP(BNX2X_MSG_MCP, "starting port init port %x\n", port);
5382
5383 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005384
5385 /* Port PXP comes here */
5386 /* Port PXP2 comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005387#ifdef BCM_ISCSI
5388 /* Port0 1
5389 * Port1 385 */
5390 i++;
5391 wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping);
5392 wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping);
5393 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5394 REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i));
5395
5396 /* Port0 2
5397 * Port1 386 */
5398 i++;
5399 wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping);
5400 wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping);
5401 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5402 REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i));
5403
5404 /* Port0 3
5405 * Port1 387 */
5406 i++;
5407 wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping);
5408 wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping);
5409 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5410 REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i));
5411#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005412 /* Port CMs come here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005413
5414 /* Port QM comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005415#ifdef BCM_ISCSI
5416 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20);
5417 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31);
5418
5419 bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START,
5420 func ? TIMERS_PORT1_END : TIMERS_PORT0_END);
5421#endif
5422 /* Port DQ comes here */
5423 /* Port BRB1 comes here */
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005424 /* Port PRS comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005425 /* Port TSDM comes here */
5426 /* Port CSDM comes here */
5427 /* Port USDM comes here */
5428 /* Port XSDM comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005429 bnx2x_init_block(bp, port ? TSEM_PORT1_START : TSEM_PORT0_START,
5430 port ? TSEM_PORT1_END : TSEM_PORT0_END);
5431 bnx2x_init_block(bp, port ? USEM_PORT1_START : USEM_PORT0_START,
5432 port ? USEM_PORT1_END : USEM_PORT0_END);
5433 bnx2x_init_block(bp, port ? CSEM_PORT1_START : CSEM_PORT0_START,
5434 port ? CSEM_PORT1_END : CSEM_PORT0_END);
5435 bnx2x_init_block(bp, port ? XSEM_PORT1_START : XSEM_PORT0_START,
5436 port ? XSEM_PORT1_END : XSEM_PORT0_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005437 /* Port UPB comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005438 /* Port XPB comes here */
5439
5440 bnx2x_init_block(bp, port ? PBF_PORT1_START : PBF_PORT0_START,
5441 port ? PBF_PORT1_END : PBF_PORT0_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005442
5443 /* configure PBF to work without PAUSE mtu 9000 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005444 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005445
5446 /* update threshold */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005447 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005448 /* update init credit */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005449 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005450
5451 /* probe changes */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005452 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005453 msleep(5);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005454 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005455
5456#ifdef BCM_ISCSI
5457 /* tell the searcher where the T2 table is */
5458 REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64);
5459
5460 wb_write[0] = U64_LO(bp->t2_mapping);
5461 wb_write[1] = U64_HI(bp->t2_mapping);
5462 REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2);
5463 wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64);
5464 wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64);
5465 REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2);
5466
5467 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10);
5468 /* Port SRCH comes here */
5469#endif
5470 /* Port CDU comes here */
5471 /* Port CFC comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005472
5473 if (CHIP_IS_E1(bp)) {
5474 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5475 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5476 }
5477 bnx2x_init_block(bp, port ? HC_PORT1_START : HC_PORT0_START,
5478 port ? HC_PORT1_END : HC_PORT0_END);
5479
5480 bnx2x_init_block(bp, port ? MISC_AEU_PORT1_START :
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005481 MISC_AEU_PORT0_START,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005482 port ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END);
5483 /* init aeu_mask_attn_func_0/1:
5484 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5485 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5486 * bits 4-7 are used for "per vn group attention" */
5487 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4,
5488 (IS_E1HMF(bp) ? 0xF7 : 0x7));
5489
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005490 /* Port PXPCS comes here */
5491 /* Port EMAC0 comes here */
5492 /* Port EMAC1 comes here */
5493 /* Port DBU comes here */
5494 /* Port DBG comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005495 bnx2x_init_block(bp, port ? NIG_PORT1_START : NIG_PORT0_START,
5496 port ? NIG_PORT1_END : NIG_PORT0_END);
5497
5498 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5499
5500 if (CHIP_IS_E1H(bp)) {
5501 u32 wsum;
5502 struct cmng_struct_per_port m_cmng_port;
5503 int vn;
5504
5505 /* 0x2 disable e1hov, 0x1 enable */
5506 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
5507 (IS_E1HMF(bp) ? 0x1 : 0x2));
5508
5509 /* Init RATE SHAPING and FAIRNESS contexts.
5510 Initialize as if there is 10G link. */
5511 wsum = bnx2x_calc_vn_wsum(bp);
5512 bnx2x_init_port_minmax(bp, (int)wsum, 10000, &m_cmng_port);
5513 if (IS_E1HMF(bp))
5514 for (vn = VN_0; vn < E1HVN_MAX; vn++)
5515 bnx2x_init_vn_minmax(bp, 2*vn + port,
5516 wsum, 10000, &m_cmng_port);
5517 }
5518
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005519 /* Port MCP comes here */
5520 /* Port DMAE comes here */
5521
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005522 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08005523 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5524 /* add SPIO 5 to group 0 */
5525 val = REG_RD(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5526 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
5527 REG_WR(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0, val);
5528 break;
5529
5530 default:
5531 break;
5532 }
5533
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07005534 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005535
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005536 return 0;
5537}
5538
5539#define ILT_PER_FUNC (768/2)
5540#define FUNC_ILT_BASE(func) (func * ILT_PER_FUNC)
5541/* the phys address is shifted right 12 bits and has an added
5542 1=valid bit added to the 53rd bit
5543 then since this is a wide register(TM)
5544 we split it into two 32 bit writes
5545 */
5546#define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF))
5547#define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44)))
5548#define PXP_ONE_ILT(x) (((x) << 10) | x)
5549#define PXP_ILT_RANGE(f, l) (((l) << 10) | f)
5550
5551#define CNIC_ILT_LINES 0
5552
5553static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5554{
5555 int reg;
5556
5557 if (CHIP_IS_E1H(bp))
5558 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5559 else /* E1 */
5560 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
5561
5562 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5563}
5564
5565static int bnx2x_init_func(struct bnx2x *bp)
5566{
5567 int port = BP_PORT(bp);
5568 int func = BP_FUNC(bp);
5569 int i;
5570
5571 DP(BNX2X_MSG_MCP, "starting func init func %x\n", func);
5572
5573 i = FUNC_ILT_BASE(func);
5574
5575 bnx2x_ilt_wr(bp, i, bnx2x_sp_mapping(bp, context));
5576 if (CHIP_IS_E1H(bp)) {
5577 REG_WR(bp, PXP2_REG_RQ_CDU_FIRST_ILT, i);
5578 REG_WR(bp, PXP2_REG_RQ_CDU_LAST_ILT, i + CNIC_ILT_LINES);
5579 } else /* E1 */
5580 REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4,
5581 PXP_ILT_RANGE(i, i + CNIC_ILT_LINES));
5582
5583
5584 if (CHIP_IS_E1H(bp)) {
5585 for (i = 0; i < 9; i++)
5586 bnx2x_init_block(bp,
5587 cm_start[func][i], cm_end[func][i]);
5588
5589 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
5590 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->e1hov);
5591 }
5592
5593 /* HC init per function */
5594 if (CHIP_IS_E1H(bp)) {
5595 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5596
5597 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5598 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5599 }
5600 bnx2x_init_block(bp, hc_limits[func][0], hc_limits[func][1]);
5601
5602 if (CHIP_IS_E1H(bp))
5603 REG_WR(bp, HC_REG_FUNC_NUM_P0 + port*4, func);
5604
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005605 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005606 REG_WR(bp, 0x2114, 0xffffffff);
5607 REG_WR(bp, 0x2120, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005608
5609 return 0;
5610}
5611
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005612static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5613{
5614 int i, rc = 0;
5615
5616 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
5617 BP_FUNC(bp), load_code);
5618
5619 bp->dmae_ready = 0;
5620 mutex_init(&bp->dmae_mutex);
5621 bnx2x_gunzip_init(bp);
5622
5623 switch (load_code) {
5624 case FW_MSG_CODE_DRV_LOAD_COMMON:
5625 rc = bnx2x_init_common(bp);
5626 if (rc)
5627 goto init_hw_err;
5628 /* no break */
5629
5630 case FW_MSG_CODE_DRV_LOAD_PORT:
5631 bp->dmae_ready = 1;
5632 rc = bnx2x_init_port(bp);
5633 if (rc)
5634 goto init_hw_err;
5635 /* no break */
5636
5637 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5638 bp->dmae_ready = 1;
5639 rc = bnx2x_init_func(bp);
5640 if (rc)
5641 goto init_hw_err;
5642 break;
5643
5644 default:
5645 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5646 break;
5647 }
5648
5649 if (!BP_NOMCP(bp)) {
5650 int func = BP_FUNC(bp);
5651
5652 bp->fw_drv_pulse_wr_seq =
5653 (SHMEM_RD(bp, func_mb[func].drv_pulse_mb) &
5654 DRV_PULSE_SEQ_MASK);
5655 bp->func_stx = SHMEM_RD(bp, func_mb[func].fw_mb_param);
5656 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x func_stx 0x%x\n",
5657 bp->fw_drv_pulse_wr_seq, bp->func_stx);
5658 } else
5659 bp->func_stx = 0;
5660
5661 /* this needs to be done before gunzip end */
5662 bnx2x_zero_def_sb(bp);
5663 for_each_queue(bp, i)
5664 bnx2x_zero_sb(bp, BP_L_ID(bp) + i);
5665
5666init_hw_err:
5667 bnx2x_gunzip_end(bp);
5668
5669 return rc;
5670}
5671
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005672/* send the MCP a request, block until there is a reply */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005673static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
5674{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005675 int func = BP_FUNC(bp);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005676 u32 seq = ++bp->fw_seq;
5677 u32 rc = 0;
Eilon Greenstein19680c42008-08-13 15:47:33 -07005678 u32 cnt = 1;
5679 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005680
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005681 SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq));
Eliezer Tamirf1410642008-02-28 11:51:50 -08005682 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005683
Eilon Greenstein19680c42008-08-13 15:47:33 -07005684 do {
5685 /* let the FW do it's magic ... */
5686 msleep(delay);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005687
Eilon Greenstein19680c42008-08-13 15:47:33 -07005688 rc = SHMEM_RD(bp, func_mb[func].fw_mb_header);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005689
Eilon Greenstein19680c42008-08-13 15:47:33 -07005690 /* Give the FW up to 2 second (200*10ms) */
5691 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 200));
5692
5693 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
5694 cnt*delay, rc, seq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005695
5696 /* is this a reply to our command? */
5697 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) {
5698 rc &= FW_MSG_CODE_MASK;
Eliezer Tamirf1410642008-02-28 11:51:50 -08005699
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005700 } else {
5701 /* FW BUG! */
5702 BNX2X_ERR("FW failed to respond!\n");
5703 bnx2x_fw_dump(bp);
5704 rc = 0;
5705 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08005706
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005707 return rc;
5708}
5709
5710static void bnx2x_free_mem(struct bnx2x *bp)
5711{
5712
5713#define BNX2X_PCI_FREE(x, y, size) \
5714 do { \
5715 if (x) { \
5716 pci_free_consistent(bp->pdev, size, x, y); \
5717 x = NULL; \
5718 y = 0; \
5719 } \
5720 } while (0)
5721
5722#define BNX2X_FREE(x) \
5723 do { \
5724 if (x) { \
5725 vfree(x); \
5726 x = NULL; \
5727 } \
5728 } while (0)
5729
5730 int i;
5731
5732 /* fastpath */
5733 for_each_queue(bp, i) {
5734
5735 /* Status blocks */
5736 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk),
5737 bnx2x_fp(bp, i, status_blk_mapping),
5738 sizeof(struct host_status_block) +
5739 sizeof(struct eth_tx_db_data));
5740
5741 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5742 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
5743 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
5744 bnx2x_fp(bp, i, tx_desc_mapping),
5745 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5746
5747 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5748 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5749 bnx2x_fp(bp, i, rx_desc_mapping),
5750 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5751
5752 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5753 bnx2x_fp(bp, i, rx_comp_mapping),
5754 sizeof(struct eth_fast_path_rx_cqe) *
5755 NUM_RCQ_BD);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005756
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005757 /* SGE ring */
Eilon Greenstein32626232008-08-13 15:51:07 -07005758 BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005759 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5760 bnx2x_fp(bp, i, rx_sge_mapping),
5761 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5762 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005763 /* end of fastpath */
5764
5765 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005766 sizeof(struct host_def_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005767
5768 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005769 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005770
5771#ifdef BCM_ISCSI
5772 BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024);
5773 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024);
5774 BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024);
5775 BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024);
5776#endif
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005777 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005778
5779#undef BNX2X_PCI_FREE
5780#undef BNX2X_KFREE
5781}
5782
5783static int bnx2x_alloc_mem(struct bnx2x *bp)
5784{
5785
5786#define BNX2X_PCI_ALLOC(x, y, size) \
5787 do { \
5788 x = pci_alloc_consistent(bp->pdev, size, y); \
5789 if (x == NULL) \
5790 goto alloc_mem_err; \
5791 memset(x, 0, size); \
5792 } while (0)
5793
5794#define BNX2X_ALLOC(x, size) \
5795 do { \
5796 x = vmalloc(size); \
5797 if (x == NULL) \
5798 goto alloc_mem_err; \
5799 memset(x, 0, size); \
5800 } while (0)
5801
5802 int i;
5803
5804 /* fastpath */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005805 for_each_queue(bp, i) {
5806 bnx2x_fp(bp, i, bp) = bp;
5807
5808 /* Status blocks */
5809 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk),
5810 &bnx2x_fp(bp, i, status_blk_mapping),
5811 sizeof(struct host_status_block) +
5812 sizeof(struct eth_tx_db_data));
5813
5814 bnx2x_fp(bp, i, hw_tx_prods) =
5815 (void *)(bnx2x_fp(bp, i, status_blk) + 1);
5816
5817 bnx2x_fp(bp, i, tx_prods_mapping) =
5818 bnx2x_fp(bp, i, status_blk_mapping) +
5819 sizeof(struct host_status_block);
5820
5821 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5822 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
5823 sizeof(struct sw_tx_bd) * NUM_TX_BD);
5824 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
5825 &bnx2x_fp(bp, i, tx_desc_mapping),
5826 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5827
5828 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
5829 sizeof(struct sw_rx_bd) * NUM_RX_BD);
5830 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
5831 &bnx2x_fp(bp, i, rx_desc_mapping),
5832 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5833
5834 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
5835 &bnx2x_fp(bp, i, rx_comp_mapping),
5836 sizeof(struct eth_fast_path_rx_cqe) *
5837 NUM_RCQ_BD);
5838
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005839 /* SGE ring */
5840 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
5841 sizeof(struct sw_rx_page) * NUM_RX_SGE);
5842 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
5843 &bnx2x_fp(bp, i, rx_sge_mapping),
5844 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005845 }
5846 /* end of fastpath */
5847
5848 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
5849 sizeof(struct host_def_status_block));
5850
5851 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5852 sizeof(struct bnx2x_slowpath));
5853
5854#ifdef BCM_ISCSI
5855 BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024);
5856
5857 /* Initialize T1 */
5858 for (i = 0; i < 64*1024; i += 64) {
5859 *(u64 *)((char *)bp->t1 + i + 56) = 0x0UL;
5860 *(u64 *)((char *)bp->t1 + i + 3) = 0x0UL;
5861 }
5862
5863 /* allocate searcher T2 table
5864 we allocate 1/4 of alloc num for T2
5865 (which is not entered into the ILT) */
5866 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024);
5867
5868 /* Initialize T2 */
5869 for (i = 0; i < 16*1024; i += 64)
5870 * (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64;
5871
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005872 /* now fixup the last line in the block to point to the next block */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005873 *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping;
5874
5875 /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */
5876 BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024);
5877
5878 /* QM queues (128*MAX_CONN) */
5879 BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024);
5880#endif
5881
5882 /* Slow path ring */
5883 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5884
5885 return 0;
5886
5887alloc_mem_err:
5888 bnx2x_free_mem(bp);
5889 return -ENOMEM;
5890
5891#undef BNX2X_PCI_ALLOC
5892#undef BNX2X_ALLOC
5893}
5894
5895static void bnx2x_free_tx_skbs(struct bnx2x *bp)
5896{
5897 int i;
5898
5899 for_each_queue(bp, i) {
5900 struct bnx2x_fastpath *fp = &bp->fp[i];
5901
5902 u16 bd_cons = fp->tx_bd_cons;
5903 u16 sw_prod = fp->tx_pkt_prod;
5904 u16 sw_cons = fp->tx_pkt_cons;
5905
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005906 while (sw_cons != sw_prod) {
5907 bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons));
5908 sw_cons++;
5909 }
5910 }
5911}
5912
5913static void bnx2x_free_rx_skbs(struct bnx2x *bp)
5914{
5915 int i, j;
5916
5917 for_each_queue(bp, j) {
5918 struct bnx2x_fastpath *fp = &bp->fp[j];
5919
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005920 for (i = 0; i < NUM_RX_BD; i++) {
5921 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i];
5922 struct sk_buff *skb = rx_buf->skb;
5923
5924 if (skb == NULL)
5925 continue;
5926
5927 pci_unmap_single(bp->pdev,
5928 pci_unmap_addr(rx_buf, mapping),
5929 bp->rx_buf_use_size,
5930 PCI_DMA_FROMDEVICE);
5931
5932 rx_buf->skb = NULL;
5933 dev_kfree_skb(skb);
5934 }
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005935 if (!fp->disable_tpa)
Eilon Greenstein32626232008-08-13 15:51:07 -07005936 bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ?
5937 ETH_MAX_AGGREGATION_QUEUES_E1 :
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005938 ETH_MAX_AGGREGATION_QUEUES_E1H);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005939 }
5940}
5941
5942static void bnx2x_free_skbs(struct bnx2x *bp)
5943{
5944 bnx2x_free_tx_skbs(bp);
5945 bnx2x_free_rx_skbs(bp);
5946}
5947
5948static void bnx2x_free_msix_irqs(struct bnx2x *bp)
5949{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005950 int i, offset = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005951
5952 free_irq(bp->msix_table[0].vector, bp->dev);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005953 DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005954 bp->msix_table[0].vector);
5955
5956 for_each_queue(bp, i) {
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005957 DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq "
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005958 "state %x\n", i, bp->msix_table[i + offset].vector,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005959 bnx2x_fp(bp, i, state));
5960
Eliezer Tamir228241e2008-02-28 11:56:57 -08005961 if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED)
5962 BNX2X_ERR("IRQ of fp #%d being freed while "
5963 "state != closed\n", i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005964
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005965 free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005966 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005967}
5968
5969static void bnx2x_free_irq(struct bnx2x *bp)
5970{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005971 if (bp->flags & USING_MSIX_FLAG) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005972 bnx2x_free_msix_irqs(bp);
5973 pci_disable_msix(bp->pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005974 bp->flags &= ~USING_MSIX_FLAG;
5975
5976 } else
5977 free_irq(bp->pdev->irq, bp->dev);
5978}
5979
5980static int bnx2x_enable_msix(struct bnx2x *bp)
5981{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005982 int i, rc, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005983
5984 bp->msix_table[0].entry = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005985 offset = 1;
5986 DP(NETIF_MSG_IFUP, "msix_table[0].entry = 0 (slowpath)\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005987
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005988 for_each_queue(bp, i) {
5989 int igu_vec = offset + i + BP_L_ID(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005990
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005991 bp->msix_table[i + offset].entry = igu_vec;
5992 DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d "
5993 "(fastpath #%u)\n", i + offset, igu_vec, i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005994 }
5995
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005996 rc = pci_enable_msix(bp->pdev, &bp->msix_table[0],
5997 bp->num_queues + offset);
5998 if (rc) {
5999 DP(NETIF_MSG_IFUP, "MSI-X is not attainable\n");
6000 return -1;
6001 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006002 bp->flags |= USING_MSIX_FLAG;
6003
6004 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006005}
6006
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006007static int bnx2x_req_msix_irqs(struct bnx2x *bp)
6008{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006009 int i, rc, offset = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006010
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006011 rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0,
6012 bp->dev->name, bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006013 if (rc) {
6014 BNX2X_ERR("request sp irq failed\n");
6015 return -EBUSY;
6016 }
6017
6018 for_each_queue(bp, i) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006019 rc = request_irq(bp->msix_table[i + offset].vector,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006020 bnx2x_msix_fp_int, 0,
6021 bp->dev->name, &bp->fp[i]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006022 if (rc) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006023 BNX2X_ERR("request fp #%d irq failed rc %d\n",
6024 i + offset, rc);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006025 bnx2x_free_msix_irqs(bp);
6026 return -EBUSY;
6027 }
6028
6029 bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006030 }
6031
6032 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006033}
6034
6035static int bnx2x_req_irq(struct bnx2x *bp)
6036{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006037 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006038
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006039 rc = request_irq(bp->pdev->irq, bnx2x_interrupt, IRQF_SHARED,
6040 bp->dev->name, bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006041 if (!rc)
6042 bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ;
6043
6044 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006045}
6046
6047/*
6048 * Init service functions
6049 */
6050
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006051static void bnx2x_set_mac_addr_e1(struct bnx2x *bp, int set)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006052{
6053 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006054 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006055
6056 /* CAM allocation
6057 * unicasts 0-31:port0 32-63:port1
6058 * multicast 64-127:port0 128-191:port1
6059 */
6060 config->hdr.length_6b = 2;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006061 config->hdr.offset = port ? 31 : 0;
6062 config->hdr.client_id = BP_CL_ID(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006063 config->hdr.reserved1 = 0;
6064
6065 /* primary MAC */
6066 config->config_table[0].cam_entry.msb_mac_addr =
6067 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6068 config->config_table[0].cam_entry.middle_mac_addr =
6069 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6070 config->config_table[0].cam_entry.lsb_mac_addr =
6071 swab16(*(u16 *)&bp->dev->dev_addr[4]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006072 config->config_table[0].cam_entry.flags = cpu_to_le16(port);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006073 if (set)
6074 config->config_table[0].target_table_entry.flags = 0;
6075 else
6076 CAM_INVALIDATE(config->config_table[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006077 config->config_table[0].target_table_entry.client_id = 0;
6078 config->config_table[0].target_table_entry.vlan_id = 0;
6079
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006080 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)\n",
6081 (set ? "setting" : "clearing"),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006082 config->config_table[0].cam_entry.msb_mac_addr,
6083 config->config_table[0].cam_entry.middle_mac_addr,
6084 config->config_table[0].cam_entry.lsb_mac_addr);
6085
6086 /* broadcast */
6087 config->config_table[1].cam_entry.msb_mac_addr = 0xffff;
6088 config->config_table[1].cam_entry.middle_mac_addr = 0xffff;
6089 config->config_table[1].cam_entry.lsb_mac_addr = 0xffff;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006090 config->config_table[1].cam_entry.flags = cpu_to_le16(port);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006091 if (set)
6092 config->config_table[1].target_table_entry.flags =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006093 TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST;
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006094 else
6095 CAM_INVALIDATE(config->config_table[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006096 config->config_table[1].target_table_entry.client_id = 0;
6097 config->config_table[1].target_table_entry.vlan_id = 0;
6098
6099 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6100 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6101 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6102}
6103
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006104static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp, int set)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006105{
6106 struct mac_configuration_cmd_e1h *config =
6107 (struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config);
6108
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006109 if (set && (bp->state != BNX2X_STATE_OPEN)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006110 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
6111 return;
6112 }
6113
6114 /* CAM allocation for E1H
6115 * unicasts: by func number
6116 * multicast: 20+FUNC*20, 20 each
6117 */
6118 config->hdr.length_6b = 1;
6119 config->hdr.offset = BP_FUNC(bp);
6120 config->hdr.client_id = BP_CL_ID(bp);
6121 config->hdr.reserved1 = 0;
6122
6123 /* primary MAC */
6124 config->config_table[0].msb_mac_addr =
6125 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6126 config->config_table[0].middle_mac_addr =
6127 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6128 config->config_table[0].lsb_mac_addr =
6129 swab16(*(u16 *)&bp->dev->dev_addr[4]);
6130 config->config_table[0].client_id = BP_L_ID(bp);
6131 config->config_table[0].vlan_id = 0;
6132 config->config_table[0].e1hov_id = cpu_to_le16(bp->e1hov);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006133 if (set)
6134 config->config_table[0].flags = BP_PORT(bp);
6135 else
6136 config->config_table[0].flags =
6137 MAC_CONFIGURATION_ENTRY_E1H_ACTION_TYPE;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006138
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006139 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) E1HOV %d CLID %d\n",
6140 (set ? "setting" : "clearing"),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006141 config->config_table[0].msb_mac_addr,
6142 config->config_table[0].middle_mac_addr,
6143 config->config_table[0].lsb_mac_addr, bp->e1hov, BP_L_ID(bp));
6144
6145 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6146 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6147 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6148}
6149
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006150static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6151 int *state_p, int poll)
6152{
6153 /* can take a while if any port is running */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006154 int cnt = 500;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006155
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006156 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6157 poll ? "polling" : "waiting", state, idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006158
6159 might_sleep();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006160 while (cnt--) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006161 if (poll) {
6162 bnx2x_rx_int(bp->fp, 10);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006163 /* if index is different from 0
6164 * the reply for some commands will
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006165 * be on the non default queue
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006166 */
6167 if (idx)
6168 bnx2x_rx_int(&bp->fp[idx], 10);
6169 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006170
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006171 mb(); /* state is changed by bnx2x_sp_event() */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006172 if (*state_p == state)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006173 return 0;
6174
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006175 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006176 }
6177
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006178 /* timeout! */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006179 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6180 poll ? "polling" : "waiting", state, idx);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006181#ifdef BNX2X_STOP_ON_ERROR
6182 bnx2x_panic();
6183#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006184
Eliezer Tamir49d66772008-02-28 11:53:13 -08006185 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006186}
6187
6188static int bnx2x_setup_leading(struct bnx2x *bp)
6189{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006190 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006191
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006192 /* reset IGU state */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006193 bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006194
6195 /* SETUP ramrod */
6196 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0);
6197
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006198 /* Wait for completion */
6199 rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006200
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006201 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006202}
6203
6204static int bnx2x_setup_multi(struct bnx2x *bp, int index)
6205{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006206 /* reset IGU state */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006207 bnx2x_ack_sb(bp, bp->fp[index].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006208
Eliezer Tamir228241e2008-02-28 11:56:57 -08006209 /* SETUP ramrod */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006210 bp->fp[index].state = BNX2X_FP_STATE_OPENING;
6211 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0);
6212
6213 /* Wait for completion */
6214 return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index,
Eliezer Tamir228241e2008-02-28 11:56:57 -08006215 &(bp->fp[index].state), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006216}
6217
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006218static int bnx2x_poll(struct napi_struct *napi, int budget);
6219static void bnx2x_set_rx_mode(struct net_device *dev);
6220
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006221/* must be called with rtnl_lock */
6222static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006223{
Eliezer Tamir228241e2008-02-28 11:56:57 -08006224 u32 load_code;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006225 int i, rc;
6226
6227#ifdef BNX2X_STOP_ON_ERROR
6228 if (unlikely(bp->panic))
6229 return -EPERM;
6230#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006231
6232 bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;
6233
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006234 /* Send LOAD_REQUEST command to MCP
6235 Returns the type of LOAD command:
6236 if it is the first port to be initialized
6237 common blocks should be initialized, otherwise - not
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006238 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006239 if (!BP_NOMCP(bp)) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08006240 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ);
6241 if (!load_code) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006242 BNX2X_ERR("MCP response failure, aborting\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08006243 return -EBUSY;
6244 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006245 if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006246 return -EBUSY; /* other port in diagnostic mode */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006247
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006248 } else {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006249 int port = BP_PORT(bp);
6250
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006251 DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n",
6252 load_count[0], load_count[1], load_count[2]);
6253 load_count[0]++;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006254 load_count[1 + port]++;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006255 DP(NETIF_MSG_IFUP, "NO MCP new load counts %d, %d, %d\n",
6256 load_count[0], load_count[1], load_count[2]);
6257 if (load_count[0] == 1)
6258 load_code = FW_MSG_CODE_DRV_LOAD_COMMON;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006259 else if (load_count[1 + port] == 1)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006260 load_code = FW_MSG_CODE_DRV_LOAD_PORT;
6261 else
6262 load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006263 }
6264
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006265 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) ||
6266 (load_code == FW_MSG_CODE_DRV_LOAD_PORT))
6267 bp->port.pmf = 1;
6268 else
6269 bp->port.pmf = 0;
6270 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
6271
6272 /* if we can't use MSI-X we only need one fp,
6273 * so try to enable MSI-X with the requested number of fp's
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006274 * and fallback to inta with one fp
6275 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006276 if (use_inta) {
6277 bp->num_queues = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006278
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006279 } else {
6280 if ((use_multi > 1) && (use_multi <= BP_MAX_QUEUES(bp)))
6281 /* user requested number */
6282 bp->num_queues = use_multi;
6283
6284 else if (use_multi)
6285 bp->num_queues = min_t(u32, num_online_cpus(),
6286 BP_MAX_QUEUES(bp));
6287 else
6288 bp->num_queues = 1;
6289
6290 if (bnx2x_enable_msix(bp)) {
6291 /* failed to enable MSI-X */
6292 bp->num_queues = 1;
6293 if (use_multi)
6294 BNX2X_ERR("Multi requested but failed"
6295 " to enable MSI-X\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006296 }
6297 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006298 DP(NETIF_MSG_IFUP,
6299 "set number of queues to %d\n", bp->num_queues);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006300
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006301 if (bnx2x_alloc_mem(bp))
6302 return -ENOMEM;
6303
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006304 for_each_queue(bp, i)
6305 bnx2x_fp(bp, i, disable_tpa) =
6306 ((bp->flags & TPA_ENABLE_FLAG) == 0);
6307
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006308 if (bp->flags & USING_MSIX_FLAG) {
6309 rc = bnx2x_req_msix_irqs(bp);
6310 if (rc) {
6311 pci_disable_msix(bp->pdev);
6312 goto load_error;
6313 }
6314 } else {
6315 bnx2x_ack_int(bp);
6316 rc = bnx2x_req_irq(bp);
6317 if (rc) {
6318 BNX2X_ERR("IRQ request failed, aborting\n");
6319 goto load_error;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006320 }
6321 }
6322
6323 for_each_queue(bp, i)
6324 netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
6325 bnx2x_poll, 128);
6326
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006327 /* Initialize HW */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006328 rc = bnx2x_init_hw(bp, load_code);
6329 if (rc) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006330 BNX2X_ERR("HW init failed, aborting\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08006331 goto load_error;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006332 }
6333
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006334 /* Setup NIC internals and enable interrupts */
Eilon Greenstein471de712008-08-13 15:49:35 -07006335 bnx2x_nic_init(bp, load_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006336
6337 /* Send LOAD_DONE command to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006338 if (!BP_NOMCP(bp)) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08006339 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE);
6340 if (!load_code) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006341 BNX2X_ERR("MCP response failure, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006342 rc = -EBUSY;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006343 goto load_int_disable;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006344 }
6345 }
6346
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07006347 bnx2x_stats_init(bp);
6348
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006349 bp->state = BNX2X_STATE_OPENING_WAIT4_PORT;
6350
6351 /* Enable Rx interrupt handling before sending the ramrod
6352 as it's completed on Rx FP queue */
6353 for_each_queue(bp, i)
6354 napi_enable(&bnx2x_fp(bp, i, napi));
6355
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006356 /* Enable interrupt handling */
6357 atomic_set(&bp->intr_sem, 0);
6358
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006359 rc = bnx2x_setup_leading(bp);
6360 if (rc) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006361 BNX2X_ERR("Setup leading failed!\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08006362 goto load_stop_netif;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006363 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006364
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006365 if (CHIP_IS_E1H(bp))
6366 if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) {
6367 BNX2X_ERR("!!! mf_cfg function disabled\n");
6368 bp->state = BNX2X_STATE_DISABLED;
6369 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006370
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006371 if (bp->state == BNX2X_STATE_OPEN)
6372 for_each_nondefault_queue(bp, i) {
6373 rc = bnx2x_setup_multi(bp, i);
6374 if (rc)
6375 goto load_stop_netif;
6376 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006377
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006378 if (CHIP_IS_E1(bp))
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006379 bnx2x_set_mac_addr_e1(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006380 else
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006381 bnx2x_set_mac_addr_e1h(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006382
6383 if (bp->port.pmf)
6384 bnx2x_initial_phy_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006385
6386 /* Start fast path */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006387 switch (load_mode) {
6388 case LOAD_NORMAL:
6389 /* Tx queue should be only reenabled */
6390 netif_wake_queue(bp->dev);
6391 bnx2x_set_rx_mode(bp->dev);
6392 break;
6393
6394 case LOAD_OPEN:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006395 netif_start_queue(bp->dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006396 bnx2x_set_rx_mode(bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006397 if (bp->flags & USING_MSIX_FLAG)
6398 printk(KERN_INFO PFX "%s: using MSI-X\n",
6399 bp->dev->name);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006400 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006401
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006402 case LOAD_DIAG:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006403 bnx2x_set_rx_mode(bp->dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006404 bp->state = BNX2X_STATE_DIAG;
6405 break;
6406
6407 default:
6408 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006409 }
6410
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006411 if (!bp->port.pmf)
6412 bnx2x__link_status_update(bp);
6413
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006414 /* start the timer */
6415 mod_timer(&bp->timer, jiffies + bp->current_interval);
6416
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006417
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006418 return 0;
6419
Eliezer Tamir228241e2008-02-28 11:56:57 -08006420load_stop_netif:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006421 for_each_queue(bp, i)
6422 napi_disable(&bnx2x_fp(bp, i, napi));
6423
Eliezer Tamir228241e2008-02-28 11:56:57 -08006424load_int_disable:
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08006425 bnx2x_int_disable_sync(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006426
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006427 /* Release IRQs */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006428 bnx2x_free_irq(bp);
6429
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006430 /* Free SKBs, SGEs, TPA pool and driver internals */
6431 bnx2x_free_skbs(bp);
6432 for_each_queue(bp, i)
6433 bnx2x_free_rx_sge_range(bp, bp->fp + i,
6434 RX_SGE_CNT*NUM_RX_SGE_PAGES);
Eliezer Tamir228241e2008-02-28 11:56:57 -08006435load_error:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006436 bnx2x_free_mem(bp);
6437
6438 /* TBD we really need to reset the chip
6439 if we want to recover from this */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006440 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006441}
6442
6443static int bnx2x_stop_multi(struct bnx2x *bp, int index)
6444{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006445 int rc;
6446
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006447 /* halt the connection */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006448 bp->fp[index].state = BNX2X_FP_STATE_HALTING;
6449 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, 0, 0);
6450
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006451 /* Wait for completion */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006452 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006453 &(bp->fp[index].state), 1);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006454 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006455 return rc;
6456
6457 /* delete cfc entry */
6458 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1);
6459
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006460 /* Wait for completion */
6461 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index,
6462 &(bp->fp[index].state), 1);
6463 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006464}
6465
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006466static int bnx2x_stop_leading(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006467{
Eliezer Tamir49d66772008-02-28 11:53:13 -08006468 u16 dsb_sp_prod_idx;
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006469 /* if the other port is handling traffic,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006470 this can take a lot of time */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006471 int cnt = 500;
6472 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006473
6474 might_sleep();
6475
6476 /* Send HALT ramrod */
6477 bp->fp[0].state = BNX2X_FP_STATE_HALTING;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006478 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, BP_CL_ID(bp), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006479
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006480 /* Wait for completion */
6481 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0,
6482 &(bp->fp[0].state), 1);
6483 if (rc) /* timeout */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006484 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006485
Eliezer Tamir49d66772008-02-28 11:53:13 -08006486 dsb_sp_prod_idx = *bp->dsb_sp_prod;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006487
Eliezer Tamir228241e2008-02-28 11:56:57 -08006488 /* Send PORT_DELETE ramrod */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006489 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1);
6490
Eliezer Tamir49d66772008-02-28 11:53:13 -08006491 /* Wait for completion to arrive on default status block
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006492 we are going to reset the chip anyway
6493 so there is not much to do if this times out
6494 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006495 while (dsb_sp_prod_idx == *bp->dsb_sp_prod) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006496 if (!cnt) {
6497 DP(NETIF_MSG_IFDOWN, "timeout waiting for port del "
6498 "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n",
6499 *bp->dsb_sp_prod, dsb_sp_prod_idx);
6500#ifdef BNX2X_STOP_ON_ERROR
6501 bnx2x_panic();
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006502#else
6503 rc = -EBUSY;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006504#endif
6505 break;
6506 }
6507 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006508 msleep(1);
Eliezer Tamir49d66772008-02-28 11:53:13 -08006509 }
6510 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
6511 bp->fp[0].state = BNX2X_FP_STATE_CLOSED;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006512
6513 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006514}
6515
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006516static void bnx2x_reset_func(struct bnx2x *bp)
6517{
6518 int port = BP_PORT(bp);
6519 int func = BP_FUNC(bp);
6520 int base, i;
Eliezer Tamir49d66772008-02-28 11:53:13 -08006521
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006522 /* Configure IGU */
6523 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6524 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6525
6526 REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000);
6527
6528 /* Clear ILT */
6529 base = FUNC_ILT_BASE(func);
6530 for (i = base; i < base + ILT_PER_FUNC; i++)
6531 bnx2x_ilt_wr(bp, i, 0);
6532}
6533
6534static void bnx2x_reset_port(struct bnx2x *bp)
6535{
6536 int port = BP_PORT(bp);
6537 u32 val;
6538
6539 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6540
6541 /* Do not rcv packets to BRB */
6542 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6543 /* Do not direct rcv packets that are not for MCP to the BRB */
6544 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6545 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6546
6547 /* Configure AEU */
6548 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6549
6550 msleep(100);
6551 /* Check for BRB port occupancy */
6552 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6553 if (val)
6554 DP(NETIF_MSG_IFDOWN,
6555 "BRB1 is not empty %d blooks are occupied\n", val);
6556
6557 /* TODO: Close Doorbell port? */
6558}
6559
6560static void bnx2x_reset_common(struct bnx2x *bp)
6561{
6562 /* reset_common */
6563 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6564 0xd3ffff7f);
6565 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
6566}
6567
6568static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6569{
6570 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
6571 BP_FUNC(bp), reset_code);
6572
6573 switch (reset_code) {
6574 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
6575 bnx2x_reset_port(bp);
6576 bnx2x_reset_func(bp);
6577 bnx2x_reset_common(bp);
6578 break;
6579
6580 case FW_MSG_CODE_DRV_UNLOAD_PORT:
6581 bnx2x_reset_port(bp);
6582 bnx2x_reset_func(bp);
6583 break;
6584
6585 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
6586 bnx2x_reset_func(bp);
6587 break;
6588
6589 default:
6590 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
6591 break;
6592 }
6593}
6594
6595/* msut be called with rtnl_lock */
6596static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006597{
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006598 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006599 u32 reset_code = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006600 int i, cnt, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006601
6602 bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;
6603
Eliezer Tamir228241e2008-02-28 11:56:57 -08006604 bp->rx_mode = BNX2X_RX_MODE_NONE;
6605 bnx2x_set_storm_rx_mode(bp);
6606
6607 if (netif_running(bp->dev)) {
6608 netif_tx_disable(bp->dev);
6609 bp->dev->trans_start = jiffies; /* prevent tx timeout */
6610 }
6611
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006612 del_timer_sync(&bp->timer);
6613 SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb,
6614 (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq));
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07006615 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006616
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006617 /* Wait until tx fast path tasks complete */
Eliezer Tamir228241e2008-02-28 11:56:57 -08006618 for_each_queue(bp, i) {
6619 struct bnx2x_fastpath *fp = &bp->fp[i];
6620
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006621 cnt = 1000;
6622 smp_rmb();
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006623 while (BNX2X_HAS_TX_WORK(fp)) {
6624
6625 if (!netif_running(bp->dev))
6626 bnx2x_tx_int(fp, 1000);
6627
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006628 if (!cnt) {
6629 BNX2X_ERR("timeout waiting for queue[%d]\n",
6630 i);
6631#ifdef BNX2X_STOP_ON_ERROR
6632 bnx2x_panic();
6633 return -EBUSY;
6634#else
6635 break;
6636#endif
6637 }
6638 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006639 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006640 smp_rmb();
6641 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08006642 }
6643
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006644 /* Give HW time to discard old tx messages */
6645 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006646
Eliezer Tamir228241e2008-02-28 11:56:57 -08006647 for_each_queue(bp, i)
6648 napi_disable(&bnx2x_fp(bp, i, napi));
6649 /* Disable interrupts after Tx and Rx are disabled on stack level */
6650 bnx2x_int_disable_sync(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006651
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006652 /* Release IRQs */
6653 bnx2x_free_irq(bp);
6654
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006655 if (unload_mode == UNLOAD_NORMAL)
6656 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006657
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006658 else if (bp->flags & NO_WOL_FLAG) {
6659 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
6660 if (CHIP_IS_E1H(bp))
6661 REG_WR(bp, MISC_REG_E1HMF_MODE, 0);
6662
6663 } else if (bp->wol) {
6664 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006665 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006666 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006667 /* The mac address is written to entries 1-4 to
6668 preserve entry 0 which is used by the PMF */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006669 u8 entry = (BP_E1HVN(bp) + 1)*8;
6670
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006671 val = (mac_addr[0] << 8) | mac_addr[1];
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006672 EMAC_WR(EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006673
6674 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
6675 (mac_addr[4] << 8) | mac_addr[5];
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006676 EMAC_WR(EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006677
6678 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006679
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006680 } else
6681 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6682
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006683 if (CHIP_IS_E1(bp)) {
6684 struct mac_configuration_cmd *config =
6685 bnx2x_sp(bp, mcast_config);
6686
6687 bnx2x_set_mac_addr_e1(bp, 0);
6688
6689 for (i = 0; i < config->hdr.length_6b; i++)
6690 CAM_INVALIDATE(config->config_table[i]);
6691
6692 config->hdr.length_6b = i;
6693 if (CHIP_REV_IS_SLOW(bp))
6694 config->hdr.offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
6695 else
6696 config->hdr.offset = BNX2X_MAX_MULTICAST*(1 + port);
6697 config->hdr.client_id = BP_CL_ID(bp);
6698 config->hdr.reserved1 = 0;
6699
6700 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6701 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
6702 U64_LO(bnx2x_sp_mapping(bp, mcast_config)), 0);
6703
6704 } else { /* E1H */
6705 bnx2x_set_mac_addr_e1h(bp, 0);
6706
6707 for (i = 0; i < MC_HASH_SIZE; i++)
6708 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
6709 }
6710
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006711 if (CHIP_IS_E1H(bp))
6712 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
6713
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006714 /* Close multi and leading connections
6715 Completions for ramrods are collected in a synchronous way */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006716 for_each_nondefault_queue(bp, i)
6717 if (bnx2x_stop_multi(bp, i))
Eliezer Tamir228241e2008-02-28 11:56:57 -08006718 goto unload_error;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006719
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006720 rc = bnx2x_stop_leading(bp);
6721 if (rc) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006722 BNX2X_ERR("Stop leading failed!\n");
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006723#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006724 return -EBUSY;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006725#else
6726 goto unload_error;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006727#endif
Eliezer Tamir228241e2008-02-28 11:56:57 -08006728 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006729
Eliezer Tamir228241e2008-02-28 11:56:57 -08006730unload_error:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006731 if (!BP_NOMCP(bp))
Eliezer Tamir228241e2008-02-28 11:56:57 -08006732 reset_code = bnx2x_fw_command(bp, reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006733 else {
6734 DP(NETIF_MSG_IFDOWN, "NO MCP load counts %d, %d, %d\n",
6735 load_count[0], load_count[1], load_count[2]);
6736 load_count[0]--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006737 load_count[1 + port]--;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006738 DP(NETIF_MSG_IFDOWN, "NO MCP new load counts %d, %d, %d\n",
6739 load_count[0], load_count[1], load_count[2]);
6740 if (load_count[0] == 0)
6741 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006742 else if (load_count[1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006743 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
6744 else
6745 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
6746 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006747
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006748 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
6749 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
6750 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006751
6752 /* Reset the chip */
Eliezer Tamir228241e2008-02-28 11:56:57 -08006753 bnx2x_reset_chip(bp, reset_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006754
6755 /* Report UNLOAD_DONE to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006756 if (!BP_NOMCP(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006757 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6758
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006759 /* Free SKBs, SGEs, TPA pool and driver internals */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006760 bnx2x_free_skbs(bp);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006761 for_each_queue(bp, i)
6762 bnx2x_free_rx_sge_range(bp, bp->fp + i,
6763 RX_SGE_CNT*NUM_RX_SGE_PAGES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006764 bnx2x_free_mem(bp);
6765
6766 bp->state = BNX2X_STATE_CLOSED;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006767
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006768 netif_carrier_off(bp->dev);
6769
6770 return 0;
6771}
6772
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006773static void bnx2x_reset_task(struct work_struct *work)
6774{
6775 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task);
6776
6777#ifdef BNX2X_STOP_ON_ERROR
6778 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
6779 " so reset not done to allow debug dump,\n"
6780 KERN_ERR " you will need to reboot when done\n");
6781 return;
6782#endif
6783
6784 rtnl_lock();
6785
6786 if (!netif_running(bp->dev))
6787 goto reset_task_exit;
6788
6789 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
6790 bnx2x_nic_load(bp, LOAD_NORMAL);
6791
6792reset_task_exit:
6793 rtnl_unlock();
6794}
6795
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006796/* end of nic load/unload */
6797
6798/* ethtool_ops */
6799
6800/*
6801 * Init service functions
6802 */
6803
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006804static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006805{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006806 u32 val;
6807
6808 /* Check if there is any driver already loaded */
6809 val = REG_RD(bp, MISC_REG_UNPREPARED);
6810 if (val == 0x1) {
6811 /* Check if it is the UNDI driver
6812 * UNDI driver initializes CID offset for normal bell to 0x7
6813 */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07006814 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006815 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
6816 if (val == 0x7) {
6817 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006818 /* save our func */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006819 int func = BP_FUNC(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006820 u32 swap_en;
6821 u32 swap_val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006822
6823 BNX2X_DEV_INFO("UNDI is active! reset device\n");
6824
6825 /* try unload UNDI on port 0 */
6826 bp->func = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006827 bp->fw_seq =
6828 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6829 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006830 reset_code = bnx2x_fw_command(bp, reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006831
6832 /* if UNDI is loaded on the other port */
6833 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
6834
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006835 /* send "DONE" for previous unload */
6836 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6837
6838 /* unload UNDI on port 1 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006839 bp->func = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006840 bp->fw_seq =
6841 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6842 DRV_MSG_SEQ_NUMBER_MASK);
6843 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006844
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006845 bnx2x_fw_command(bp, reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006846 }
6847
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006848 REG_WR(bp, (BP_PORT(bp) ? HC_REG_CONFIG_1 :
6849 HC_REG_CONFIG_0), 0x1000);
6850
6851 /* close input traffic and wait for it */
6852 /* Do not rcv packets to BRB */
6853 REG_WR(bp,
6854 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
6855 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
6856 /* Do not direct rcv packets that are not for MCP to
6857 * the BRB */
6858 REG_WR(bp,
6859 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
6860 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6861 /* clear AEU */
6862 REG_WR(bp,
6863 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
6864 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
6865 msleep(10);
6866
6867 /* save NIG port swap info */
6868 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
6869 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006870 /* reset device */
6871 REG_WR(bp,
6872 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006873 0xd3ffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006874 REG_WR(bp,
6875 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
6876 0x1403);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006877 /* take the NIG out of reset and restore swap values */
6878 REG_WR(bp,
6879 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6880 MISC_REGISTERS_RESET_REG_1_RST_NIG);
6881 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
6882 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
6883
6884 /* send unload done to the MCP */
6885 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6886
6887 /* restore our func and fw_seq */
6888 bp->func = func;
6889 bp->fw_seq =
6890 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6891 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006892 }
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07006893 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006894 }
6895}
6896
6897static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
6898{
6899 u32 val, val2, val3, val4, id;
6900
6901 /* Get the chip revision id and number. */
6902 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
6903 val = REG_RD(bp, MISC_REG_CHIP_NUM);
6904 id = ((val & 0xffff) << 16);
6905 val = REG_RD(bp, MISC_REG_CHIP_REV);
6906 id |= ((val & 0xf) << 12);
6907 val = REG_RD(bp, MISC_REG_CHIP_METAL);
6908 id |= ((val & 0xff) << 4);
6909 REG_RD(bp, MISC_REG_BOND_ID);
6910 id |= (val & 0xf);
6911 bp->common.chip_id = id;
6912 bp->link_params.chip_id = bp->common.chip_id;
6913 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
6914
6915 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
6916 bp->common.flash_size = (NVRAM_1MB_SIZE <<
6917 (val & MCPR_NVM_CFG4_FLASH_SIZE));
6918 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
6919 bp->common.flash_size, bp->common.flash_size);
6920
6921 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
6922 bp->link_params.shmem_base = bp->common.shmem_base;
6923 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
6924
6925 if (!bp->common.shmem_base ||
6926 (bp->common.shmem_base < 0xA0000) ||
6927 (bp->common.shmem_base >= 0xC0000)) {
6928 BNX2X_DEV_INFO("MCP not active\n");
6929 bp->flags |= NO_MCP_FLAG;
6930 return;
6931 }
6932
6933 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
6934 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6935 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6936 BNX2X_ERR("BAD MCP validity signature\n");
6937
6938 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
6939 bp->common.board = SHMEM_RD(bp, dev_info.shared_hw_config.board);
6940
6941 BNX2X_DEV_INFO("hw_config 0x%08x board 0x%08x\n",
6942 bp->common.hw_config, bp->common.board);
6943
6944 bp->link_params.hw_led_mode = ((bp->common.hw_config &
6945 SHARED_HW_CFG_LED_MODE_MASK) >>
6946 SHARED_HW_CFG_LED_MODE_SHIFT);
6947
6948 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
6949 bp->common.bc_ver = val;
6950 BNX2X_DEV_INFO("bc_ver %X\n", val);
6951 if (val < BNX2X_BC_VER) {
6952 /* for now only warn
6953 * later we might need to enforce this */
6954 BNX2X_ERR("This driver needs bc_ver %X but found %X,"
6955 " please upgrade BC\n", BNX2X_BC_VER, val);
6956 }
6957 BNX2X_DEV_INFO("%sWoL Capable\n",
6958 (bp->flags & NO_WOL_FLAG)? "Not " : "");
6959
6960 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
6961 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
6962 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
6963 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
6964
6965 printk(KERN_INFO PFX "part number %X-%X-%X-%X\n",
6966 val, val2, val3, val4);
6967}
6968
6969static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
6970 u32 switch_cfg)
6971{
6972 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006973 u32 ext_phy_type;
6974
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006975 switch (switch_cfg) {
6976 case SWITCH_CFG_1G:
6977 BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg);
6978
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07006979 ext_phy_type =
6980 SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006981 switch (ext_phy_type) {
6982 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
6983 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
6984 ext_phy_type);
6985
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006986 bp->port.supported |= (SUPPORTED_10baseT_Half |
6987 SUPPORTED_10baseT_Full |
6988 SUPPORTED_100baseT_Half |
6989 SUPPORTED_100baseT_Full |
6990 SUPPORTED_1000baseT_Full |
6991 SUPPORTED_2500baseX_Full |
6992 SUPPORTED_TP |
6993 SUPPORTED_FIBRE |
6994 SUPPORTED_Autoneg |
6995 SUPPORTED_Pause |
6996 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006997 break;
6998
6999 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
7000 BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n",
7001 ext_phy_type);
7002
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007003 bp->port.supported |= (SUPPORTED_10baseT_Half |
7004 SUPPORTED_10baseT_Full |
7005 SUPPORTED_100baseT_Half |
7006 SUPPORTED_100baseT_Full |
7007 SUPPORTED_1000baseT_Full |
7008 SUPPORTED_TP |
7009 SUPPORTED_FIBRE |
7010 SUPPORTED_Autoneg |
7011 SUPPORTED_Pause |
7012 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007013 break;
7014
7015 default:
7016 BNX2X_ERR("NVRAM config error. "
7017 "BAD SerDes ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007018 bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007019 return;
7020 }
7021
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007022 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
7023 port*0x10);
7024 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007025 break;
7026
7027 case SWITCH_CFG_10G:
7028 BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg);
7029
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007030 ext_phy_type =
7031 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007032 switch (ext_phy_type) {
7033 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7034 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7035 ext_phy_type);
7036
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007037 bp->port.supported |= (SUPPORTED_10baseT_Half |
7038 SUPPORTED_10baseT_Full |
7039 SUPPORTED_100baseT_Half |
7040 SUPPORTED_100baseT_Full |
7041 SUPPORTED_1000baseT_Full |
7042 SUPPORTED_2500baseX_Full |
7043 SUPPORTED_10000baseT_Full |
7044 SUPPORTED_TP |
7045 SUPPORTED_FIBRE |
7046 SUPPORTED_Autoneg |
7047 SUPPORTED_Pause |
7048 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007049 break;
7050
7051 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007052 BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007053 ext_phy_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007054
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007055 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7056 SUPPORTED_FIBRE |
7057 SUPPORTED_Pause |
7058 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007059 break;
7060
Eliezer Tamirf1410642008-02-28 11:51:50 -08007061 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7062 BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n",
7063 ext_phy_type);
7064
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007065 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7066 SUPPORTED_1000baseT_Full |
7067 SUPPORTED_FIBRE |
7068 SUPPORTED_Pause |
7069 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007070 break;
7071
7072 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
7073 BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n",
7074 ext_phy_type);
7075
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007076 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7077 SUPPORTED_1000baseT_Full |
7078 SUPPORTED_FIBRE |
7079 SUPPORTED_Autoneg |
7080 SUPPORTED_Pause |
7081 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007082 break;
7083
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007084 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
7085 BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n",
7086 ext_phy_type);
7087
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007088 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7089 SUPPORTED_2500baseX_Full |
7090 SUPPORTED_1000baseT_Full |
7091 SUPPORTED_FIBRE |
7092 SUPPORTED_Autoneg |
7093 SUPPORTED_Pause |
7094 SUPPORTED_Asym_Pause);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007095 break;
7096
Eliezer Tamirf1410642008-02-28 11:51:50 -08007097 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7098 BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n",
7099 ext_phy_type);
7100
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007101 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7102 SUPPORTED_TP |
7103 SUPPORTED_Autoneg |
7104 SUPPORTED_Pause |
7105 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007106 break;
7107
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007108 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7109 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7110 bp->link_params.ext_phy_config);
7111 break;
7112
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007113 default:
7114 BNX2X_ERR("NVRAM config error. "
7115 "BAD XGXS ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007116 bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007117 return;
7118 }
7119
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007120 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
7121 port*0x18);
7122 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007123
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007124 break;
7125
7126 default:
7127 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007128 bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007129 return;
7130 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007131 bp->link_params.phy_addr = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007132
7133 /* mask what we support according to speed_cap_mask */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007134 if (!(bp->link_params.speed_cap_mask &
7135 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007136 bp->port.supported &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007137
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007138 if (!(bp->link_params.speed_cap_mask &
7139 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007140 bp->port.supported &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007141
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007142 if (!(bp->link_params.speed_cap_mask &
7143 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007144 bp->port.supported &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007145
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007146 if (!(bp->link_params.speed_cap_mask &
7147 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007148 bp->port.supported &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007149
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007150 if (!(bp->link_params.speed_cap_mask &
7151 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007152 bp->port.supported &= ~(SUPPORTED_1000baseT_Half |
7153 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007154
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007155 if (!(bp->link_params.speed_cap_mask &
7156 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007157 bp->port.supported &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007158
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007159 if (!(bp->link_params.speed_cap_mask &
7160 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007161 bp->port.supported &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007162
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007163 BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007164}
7165
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007166static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007167{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007168 bp->link_params.req_duplex = DUPLEX_FULL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007169
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007170 switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007171 case PORT_FEATURE_LINK_SPEED_AUTO:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007172 if (bp->port.supported & SUPPORTED_Autoneg) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007173 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007174 bp->port.advertising = bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007175 } else {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007176 u32 ext_phy_type =
7177 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7178
7179 if ((ext_phy_type ==
7180 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
7181 (ext_phy_type ==
7182 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007183 /* force 10G, no AN */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007184 bp->link_params.req_line_speed = SPEED_10000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007185 bp->port.advertising =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007186 (ADVERTISED_10000baseT_Full |
7187 ADVERTISED_FIBRE);
7188 break;
7189 }
7190 BNX2X_ERR("NVRAM config error. "
7191 "Invalid link_config 0x%x"
7192 " Autoneg not supported\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007193 bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007194 return;
7195 }
7196 break;
7197
7198 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007199 if (bp->port.supported & SUPPORTED_10baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007200 bp->link_params.req_line_speed = SPEED_10;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007201 bp->port.advertising = (ADVERTISED_10baseT_Full |
7202 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007203 } else {
7204 BNX2X_ERR("NVRAM config error. "
7205 "Invalid link_config 0x%x"
7206 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007207 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007208 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007209 return;
7210 }
7211 break;
7212
7213 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007214 if (bp->port.supported & SUPPORTED_10baseT_Half) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007215 bp->link_params.req_line_speed = SPEED_10;
7216 bp->link_params.req_duplex = DUPLEX_HALF;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007217 bp->port.advertising = (ADVERTISED_10baseT_Half |
7218 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007219 } else {
7220 BNX2X_ERR("NVRAM config error. "
7221 "Invalid link_config 0x%x"
7222 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007223 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007224 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007225 return;
7226 }
7227 break;
7228
7229 case PORT_FEATURE_LINK_SPEED_100M_FULL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007230 if (bp->port.supported & SUPPORTED_100baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007231 bp->link_params.req_line_speed = SPEED_100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007232 bp->port.advertising = (ADVERTISED_100baseT_Full |
7233 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007234 } else {
7235 BNX2X_ERR("NVRAM config error. "
7236 "Invalid link_config 0x%x"
7237 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007238 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007239 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007240 return;
7241 }
7242 break;
7243
7244 case PORT_FEATURE_LINK_SPEED_100M_HALF:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007245 if (bp->port.supported & SUPPORTED_100baseT_Half) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007246 bp->link_params.req_line_speed = SPEED_100;
7247 bp->link_params.req_duplex = DUPLEX_HALF;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007248 bp->port.advertising = (ADVERTISED_100baseT_Half |
7249 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007250 } else {
7251 BNX2X_ERR("NVRAM config error. "
7252 "Invalid link_config 0x%x"
7253 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007254 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007255 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007256 return;
7257 }
7258 break;
7259
7260 case PORT_FEATURE_LINK_SPEED_1G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007261 if (bp->port.supported & SUPPORTED_1000baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007262 bp->link_params.req_line_speed = SPEED_1000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007263 bp->port.advertising = (ADVERTISED_1000baseT_Full |
7264 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007265 } else {
7266 BNX2X_ERR("NVRAM config error. "
7267 "Invalid link_config 0x%x"
7268 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007269 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007270 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007271 return;
7272 }
7273 break;
7274
7275 case PORT_FEATURE_LINK_SPEED_2_5G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007276 if (bp->port.supported & SUPPORTED_2500baseX_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007277 bp->link_params.req_line_speed = SPEED_2500;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007278 bp->port.advertising = (ADVERTISED_2500baseX_Full |
7279 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007280 } else {
7281 BNX2X_ERR("NVRAM config error. "
7282 "Invalid link_config 0x%x"
7283 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007284 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007285 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007286 return;
7287 }
7288 break;
7289
7290 case PORT_FEATURE_LINK_SPEED_10G_CX4:
7291 case PORT_FEATURE_LINK_SPEED_10G_KX4:
7292 case PORT_FEATURE_LINK_SPEED_10G_KR:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007293 if (bp->port.supported & SUPPORTED_10000baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007294 bp->link_params.req_line_speed = SPEED_10000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007295 bp->port.advertising = (ADVERTISED_10000baseT_Full |
7296 ADVERTISED_FIBRE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007297 } else {
7298 BNX2X_ERR("NVRAM config error. "
7299 "Invalid link_config 0x%x"
7300 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007301 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007302 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007303 return;
7304 }
7305 break;
7306
7307 default:
7308 BNX2X_ERR("NVRAM config error. "
7309 "BAD link speed link_config 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007310 bp->port.link_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007311 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007312 bp->port.advertising = bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007313 break;
7314 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007315
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007316 bp->link_params.req_flow_ctrl = (bp->port.link_config &
7317 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007318 if ((bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
Randy Dunlap4ab84d42008-08-07 20:33:19 -07007319 !(bp->port.supported & SUPPORTED_Autoneg))
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007320 bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007321
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007322 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl 0x%x"
Eliezer Tamirf1410642008-02-28 11:51:50 -08007323 " advertising 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007324 bp->link_params.req_line_speed,
7325 bp->link_params.req_duplex,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007326 bp->link_params.req_flow_ctrl, bp->port.advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007327}
7328
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007329static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007330{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007331 int port = BP_PORT(bp);
7332 u32 val, val2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007333
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007334 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007335 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007336
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007337 bp->link_params.serdes_config =
Eliezer Tamirf1410642008-02-28 11:51:50 -08007338 SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007339 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007340 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007341 bp->link_params.ext_phy_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007342 SHMEM_RD(bp,
7343 dev_info.port_hw_config[port].external_phy_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007344 bp->link_params.speed_cap_mask =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007345 SHMEM_RD(bp,
7346 dev_info.port_hw_config[port].speed_capability_mask);
7347
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007348 bp->port.link_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007349 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
7350
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007351 BNX2X_DEV_INFO("serdes_config 0x%08x lane_config 0x%08x\n"
7352 KERN_INFO " ext_phy_config 0x%08x speed_cap_mask 0x%08x"
7353 " link_config 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007354 bp->link_params.serdes_config,
7355 bp->link_params.lane_config,
7356 bp->link_params.ext_phy_config,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007357 bp->link_params.speed_cap_mask, bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007358
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007359 bp->link_params.switch_cfg = (bp->port.link_config &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007360 PORT_FEATURE_CONNECTED_SWITCH_MASK);
7361 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007362
7363 bnx2x_link_settings_requested(bp);
7364
7365 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
7366 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
7367 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7368 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7369 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7370 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7371 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7372 bp->dev->dev_addr[5] = (u8)(val & 0xff);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007373 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
7374 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007375}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007376
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007377static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
7378{
7379 int func = BP_FUNC(bp);
7380 u32 val, val2;
7381 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007382
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007383 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007384
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007385 bp->e1hov = 0;
7386 bp->e1hmf = 0;
7387 if (CHIP_IS_E1H(bp)) {
7388 bp->mf_config =
7389 SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007390
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007391 val =
7392 (SHMEM_RD(bp, mf_cfg.func_mf_config[func].e1hov_tag) &
7393 FUNC_MF_CFG_E1HOV_TAG_MASK);
7394 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007395
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007396 bp->e1hov = val;
7397 bp->e1hmf = 1;
7398 BNX2X_DEV_INFO("MF mode E1HOV for func %d is %d "
7399 "(0x%04x)\n",
7400 func, bp->e1hov, bp->e1hov);
7401 } else {
7402 BNX2X_DEV_INFO("Single function mode\n");
7403 if (BP_E1HVN(bp)) {
7404 BNX2X_ERR("!!! No valid E1HOV for func %d,"
7405 " aborting\n", func);
7406 rc = -EPERM;
7407 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007408 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007409 }
7410
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007411 if (!BP_NOMCP(bp)) {
7412 bnx2x_get_port_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007413
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007414 bp->fw_seq = (SHMEM_RD(bp, func_mb[func].drv_mb_header) &
7415 DRV_MSG_SEQ_NUMBER_MASK);
7416 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
7417 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007418
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007419 if (IS_E1HMF(bp)) {
7420 val2 = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_upper);
7421 val = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_lower);
7422 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
7423 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) {
7424 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7425 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7426 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7427 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7428 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7429 bp->dev->dev_addr[5] = (u8)(val & 0xff);
7430 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr,
7431 ETH_ALEN);
7432 memcpy(bp->dev->perm_addr, bp->dev->dev_addr,
7433 ETH_ALEN);
7434 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007435
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007436 return rc;
7437 }
7438
7439 if (BP_NOMCP(bp)) {
7440 /* only supposed to happen on emulation/FPGA */
7441 BNX2X_ERR("warning rendom MAC workaround active\n");
7442 random_ether_addr(bp->dev->dev_addr);
7443 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7444 }
7445
7446 return rc;
7447}
7448
7449static int __devinit bnx2x_init_bp(struct bnx2x *bp)
7450{
7451 int func = BP_FUNC(bp);
7452 int rc;
7453
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007454 /* Disable interrupt handling until HW is initialized */
7455 atomic_set(&bp->intr_sem, 1);
7456
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007457 mutex_init(&bp->port.phy_mutex);
7458
7459 INIT_WORK(&bp->sp_task, bnx2x_sp_task);
7460 INIT_WORK(&bp->reset_task, bnx2x_reset_task);
7461
7462 rc = bnx2x_get_hwinfo(bp);
7463
7464 /* need to reset chip if undi was active */
7465 if (!BP_NOMCP(bp))
7466 bnx2x_undi_unload(bp);
7467
7468 if (CHIP_REV_IS_FPGA(bp))
7469 printk(KERN_ERR PFX "FPGA detected\n");
7470
7471 if (BP_NOMCP(bp) && (func == 0))
7472 printk(KERN_ERR PFX
7473 "MCP disabled, must load devices in order!\n");
7474
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07007475 /* Set TPA flags */
7476 if (disable_tpa) {
7477 bp->flags &= ~TPA_ENABLE_FLAG;
7478 bp->dev->features &= ~NETIF_F_LRO;
7479 } else {
7480 bp->flags |= TPA_ENABLE_FLAG;
7481 bp->dev->features |= NETIF_F_LRO;
7482 }
7483
7484
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007485 bp->tx_ring_size = MAX_TX_AVAIL;
7486 bp->rx_ring_size = MAX_RX_AVAIL;
7487
7488 bp->rx_csum = 1;
7489 bp->rx_offset = 0;
7490
7491 bp->tx_ticks = 50;
7492 bp->rx_ticks = 25;
7493
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007494 bp->timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
7495 bp->current_interval = (poll ? poll : bp->timer_interval);
7496
7497 init_timer(&bp->timer);
7498 bp->timer.expires = jiffies + bp->current_interval;
7499 bp->timer.data = (unsigned long) bp;
7500 bp->timer.function = bnx2x_timer;
7501
7502 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007503}
7504
7505/*
7506 * ethtool service functions
7507 */
7508
7509/* All ethtool functions called with rtnl_lock */
7510
7511static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7512{
7513 struct bnx2x *bp = netdev_priv(dev);
7514
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007515 cmd->supported = bp->port.supported;
7516 cmd->advertising = bp->port.advertising;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007517
7518 if (netif_carrier_ok(dev)) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007519 cmd->speed = bp->link_vars.line_speed;
7520 cmd->duplex = bp->link_vars.duplex;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007521 } else {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007522 cmd->speed = bp->link_params.req_line_speed;
7523 cmd->duplex = bp->link_params.req_duplex;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007524 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007525 if (IS_E1HMF(bp)) {
7526 u16 vn_max_rate;
7527
7528 vn_max_rate = ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >>
7529 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
7530 if (vn_max_rate < cmd->speed)
7531 cmd->speed = vn_max_rate;
7532 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007533
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007534 if (bp->link_params.switch_cfg == SWITCH_CFG_10G) {
7535 u32 ext_phy_type =
7536 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007537
7538 switch (ext_phy_type) {
7539 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7540 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7541 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7542 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007543 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007544 cmd->port = PORT_FIBRE;
7545 break;
7546
7547 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7548 cmd->port = PORT_TP;
7549 break;
7550
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007551 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7552 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7553 bp->link_params.ext_phy_config);
7554 break;
7555
Eliezer Tamirf1410642008-02-28 11:51:50 -08007556 default:
7557 DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007558 bp->link_params.ext_phy_config);
7559 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007560 }
7561 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007562 cmd->port = PORT_TP;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007563
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007564 cmd->phy_address = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007565 cmd->transceiver = XCVR_INTERNAL;
7566
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007567 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007568 cmd->autoneg = AUTONEG_ENABLE;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007569 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007570 cmd->autoneg = AUTONEG_DISABLE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007571
7572 cmd->maxtxpkt = 0;
7573 cmd->maxrxpkt = 0;
7574
7575 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7576 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7577 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7578 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7579 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7580 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7581 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7582
7583 return 0;
7584}
7585
7586static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7587{
7588 struct bnx2x *bp = netdev_priv(dev);
7589 u32 advertising;
7590
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007591 if (IS_E1HMF(bp))
7592 return 0;
7593
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007594 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7595 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7596 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7597 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7598 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7599 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7600 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7601
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007602 if (cmd->autoneg == AUTONEG_ENABLE) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007603 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
7604 DP(NETIF_MSG_LINK, "Autoneg not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007605 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007606 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007607
7608 /* advertise the requested speed and duplex if supported */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007609 cmd->advertising &= bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007610
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007611 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7612 bp->link_params.req_duplex = DUPLEX_FULL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007613 bp->port.advertising |= (ADVERTISED_Autoneg |
7614 cmd->advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007615
7616 } else { /* forced speed */
7617 /* advertise the requested speed and duplex if supported */
7618 switch (cmd->speed) {
7619 case SPEED_10:
7620 if (cmd->duplex == DUPLEX_FULL) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007621 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007622 SUPPORTED_10baseT_Full)) {
7623 DP(NETIF_MSG_LINK,
7624 "10M full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007625 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007626 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007627
7628 advertising = (ADVERTISED_10baseT_Full |
7629 ADVERTISED_TP);
7630 } else {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007631 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007632 SUPPORTED_10baseT_Half)) {
7633 DP(NETIF_MSG_LINK,
7634 "10M half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007635 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007636 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007637
7638 advertising = (ADVERTISED_10baseT_Half |
7639 ADVERTISED_TP);
7640 }
7641 break;
7642
7643 case SPEED_100:
7644 if (cmd->duplex == DUPLEX_FULL) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007645 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007646 SUPPORTED_100baseT_Full)) {
7647 DP(NETIF_MSG_LINK,
7648 "100M full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007649 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007650 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007651
7652 advertising = (ADVERTISED_100baseT_Full |
7653 ADVERTISED_TP);
7654 } else {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007655 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007656 SUPPORTED_100baseT_Half)) {
7657 DP(NETIF_MSG_LINK,
7658 "100M half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007659 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007660 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007661
7662 advertising = (ADVERTISED_100baseT_Half |
7663 ADVERTISED_TP);
7664 }
7665 break;
7666
7667 case SPEED_1000:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007668 if (cmd->duplex != DUPLEX_FULL) {
7669 DP(NETIF_MSG_LINK, "1G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007670 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007671 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007672
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007673 if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007674 DP(NETIF_MSG_LINK, "1G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007675 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007676 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007677
7678 advertising = (ADVERTISED_1000baseT_Full |
7679 ADVERTISED_TP);
7680 break;
7681
7682 case SPEED_2500:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007683 if (cmd->duplex != DUPLEX_FULL) {
7684 DP(NETIF_MSG_LINK,
7685 "2.5G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007686 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007687 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007688
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007689 if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007690 DP(NETIF_MSG_LINK,
7691 "2.5G 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
Eliezer Tamirf1410642008-02-28 11:51:50 -08007695 advertising = (ADVERTISED_2500baseX_Full |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007696 ADVERTISED_TP);
7697 break;
7698
7699 case SPEED_10000:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007700 if (cmd->duplex != DUPLEX_FULL) {
7701 DP(NETIF_MSG_LINK, "10G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007702 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007703 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007704
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007705 if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007706 DP(NETIF_MSG_LINK, "10G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007707 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007708 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007709
7710 advertising = (ADVERTISED_10000baseT_Full |
7711 ADVERTISED_FIBRE);
7712 break;
7713
7714 default:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007715 DP(NETIF_MSG_LINK, "Unsupported speed\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007716 return -EINVAL;
7717 }
7718
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007719 bp->link_params.req_line_speed = cmd->speed;
7720 bp->link_params.req_duplex = cmd->duplex;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007721 bp->port.advertising = advertising;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007722 }
7723
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007724 DP(NETIF_MSG_LINK, "req_line_speed %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007725 DP_LEVEL " req_duplex %d advertising 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007726 bp->link_params.req_line_speed, bp->link_params.req_duplex,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007727 bp->port.advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007728
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007729 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07007730 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007731 bnx2x_link_set(bp);
7732 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007733
7734 return 0;
7735}
7736
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007737#define PHY_FW_VER_LEN 10
7738
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007739static void bnx2x_get_drvinfo(struct net_device *dev,
7740 struct ethtool_drvinfo *info)
7741{
7742 struct bnx2x *bp = netdev_priv(dev);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007743 char phy_fw_ver[PHY_FW_VER_LEN];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007744
7745 strcpy(info->driver, DRV_MODULE_NAME);
7746 strcpy(info->version, DRV_MODULE_VERSION);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007747
7748 phy_fw_ver[0] = '\0';
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007749 if (bp->port.pmf) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007750 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007751 bnx2x_get_ext_phy_fw_version(&bp->link_params,
7752 (bp->state != BNX2X_STATE_CLOSED),
7753 phy_fw_ver, PHY_FW_VER_LEN);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007754 bnx2x_release_phy_lock(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007755 }
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007756
7757 snprintf(info->fw_version, 32, "%d.%d.%d:%d BC:%x%s%s",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007758 BCM_5710_FW_MAJOR_VERSION, BCM_5710_FW_MINOR_VERSION,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007759 BCM_5710_FW_REVISION_VERSION,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007760 BCM_5710_FW_COMPILE_FLAGS, bp->common.bc_ver,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007761 ((phy_fw_ver[0] != '\0')? " PHY:":""), phy_fw_ver);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007762 strcpy(info->bus_info, pci_name(bp->pdev));
7763 info->n_stats = BNX2X_NUM_STATS;
7764 info->testinfo_len = BNX2X_NUM_TESTS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007765 info->eedump_len = bp->common.flash_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007766 info->regdump_len = 0;
7767}
7768
7769static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7770{
7771 struct bnx2x *bp = netdev_priv(dev);
7772
7773 if (bp->flags & NO_WOL_FLAG) {
7774 wol->supported = 0;
7775 wol->wolopts = 0;
7776 } else {
7777 wol->supported = WAKE_MAGIC;
7778 if (bp->wol)
7779 wol->wolopts = WAKE_MAGIC;
7780 else
7781 wol->wolopts = 0;
7782 }
7783 memset(&wol->sopass, 0, sizeof(wol->sopass));
7784}
7785
7786static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7787{
7788 struct bnx2x *bp = netdev_priv(dev);
7789
7790 if (wol->wolopts & ~WAKE_MAGIC)
7791 return -EINVAL;
7792
7793 if (wol->wolopts & WAKE_MAGIC) {
7794 if (bp->flags & NO_WOL_FLAG)
7795 return -EINVAL;
7796
7797 bp->wol = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007798 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007799 bp->wol = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007800
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007801 return 0;
7802}
7803
7804static u32 bnx2x_get_msglevel(struct net_device *dev)
7805{
7806 struct bnx2x *bp = netdev_priv(dev);
7807
7808 return bp->msglevel;
7809}
7810
7811static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
7812{
7813 struct bnx2x *bp = netdev_priv(dev);
7814
7815 if (capable(CAP_NET_ADMIN))
7816 bp->msglevel = level;
7817}
7818
7819static int bnx2x_nway_reset(struct net_device *dev)
7820{
7821 struct bnx2x *bp = netdev_priv(dev);
7822
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007823 if (!bp->port.pmf)
7824 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007825
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007826 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07007827 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007828 bnx2x_link_set(bp);
7829 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007830
7831 return 0;
7832}
7833
7834static int bnx2x_get_eeprom_len(struct net_device *dev)
7835{
7836 struct bnx2x *bp = netdev_priv(dev);
7837
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007838 return bp->common.flash_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007839}
7840
7841static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
7842{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007843 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007844 int count, i;
7845 u32 val = 0;
7846
7847 /* adjust timeout for emulation/FPGA */
7848 count = NVRAM_TIMEOUT_COUNT;
7849 if (CHIP_REV_IS_SLOW(bp))
7850 count *= 100;
7851
7852 /* request access to nvram interface */
7853 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7854 (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
7855
7856 for (i = 0; i < count*10; i++) {
7857 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7858 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
7859 break;
7860
7861 udelay(5);
7862 }
7863
7864 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007865 DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007866 return -EBUSY;
7867 }
7868
7869 return 0;
7870}
7871
7872static int bnx2x_release_nvram_lock(struct bnx2x *bp)
7873{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007874 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007875 int count, i;
7876 u32 val = 0;
7877
7878 /* adjust timeout for emulation/FPGA */
7879 count = NVRAM_TIMEOUT_COUNT;
7880 if (CHIP_REV_IS_SLOW(bp))
7881 count *= 100;
7882
7883 /* relinquish nvram interface */
7884 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7885 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
7886
7887 for (i = 0; i < count*10; i++) {
7888 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7889 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
7890 break;
7891
7892 udelay(5);
7893 }
7894
7895 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007896 DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007897 return -EBUSY;
7898 }
7899
7900 return 0;
7901}
7902
7903static void bnx2x_enable_nvram_access(struct bnx2x *bp)
7904{
7905 u32 val;
7906
7907 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7908
7909 /* enable both bits, even on read */
7910 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7911 (val | MCPR_NVM_ACCESS_ENABLE_EN |
7912 MCPR_NVM_ACCESS_ENABLE_WR_EN));
7913}
7914
7915static void bnx2x_disable_nvram_access(struct bnx2x *bp)
7916{
7917 u32 val;
7918
7919 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7920
7921 /* disable both bits, even after read */
7922 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7923 (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
7924 MCPR_NVM_ACCESS_ENABLE_WR_EN)));
7925}
7926
7927static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val,
7928 u32 cmd_flags)
7929{
Eliezer Tamirf1410642008-02-28 11:51:50 -08007930 int count, i, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007931 u32 val;
7932
7933 /* build the command word */
7934 cmd_flags |= MCPR_NVM_COMMAND_DOIT;
7935
7936 /* need to clear DONE bit separately */
7937 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
7938
7939 /* address of the NVRAM to read from */
7940 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
7941 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
7942
7943 /* issue a read command */
7944 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
7945
7946 /* adjust timeout for emulation/FPGA */
7947 count = NVRAM_TIMEOUT_COUNT;
7948 if (CHIP_REV_IS_SLOW(bp))
7949 count *= 100;
7950
7951 /* wait for completion */
7952 *ret_val = 0;
7953 rc = -EBUSY;
7954 for (i = 0; i < count; i++) {
7955 udelay(5);
7956 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
7957
7958 if (val & MCPR_NVM_COMMAND_DONE) {
7959 val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007960 /* we read nvram data in cpu order
7961 * but ethtool sees it as an array of bytes
7962 * converting to big-endian will do the work */
7963 val = cpu_to_be32(val);
7964 *ret_val = val;
7965 rc = 0;
7966 break;
7967 }
7968 }
7969
7970 return rc;
7971}
7972
7973static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
7974 int buf_size)
7975{
7976 int rc;
7977 u32 cmd_flags;
7978 u32 val;
7979
7980 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007981 DP(BNX2X_MSG_NVM,
Eliezer Tamirc14423f2008-02-28 11:49:42 -08007982 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007983 offset, buf_size);
7984 return -EINVAL;
7985 }
7986
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007987 if (offset + buf_size > bp->common.flash_size) {
7988 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007989 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007990 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007991 return -EINVAL;
7992 }
7993
7994 /* request access to nvram interface */
7995 rc = bnx2x_acquire_nvram_lock(bp);
7996 if (rc)
7997 return rc;
7998
7999 /* enable access to nvram interface */
8000 bnx2x_enable_nvram_access(bp);
8001
8002 /* read the first word(s) */
8003 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8004 while ((buf_size > sizeof(u32)) && (rc == 0)) {
8005 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8006 memcpy(ret_buf, &val, 4);
8007
8008 /* advance to the next dword */
8009 offset += sizeof(u32);
8010 ret_buf += sizeof(u32);
8011 buf_size -= sizeof(u32);
8012 cmd_flags = 0;
8013 }
8014
8015 if (rc == 0) {
8016 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8017 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8018 memcpy(ret_buf, &val, 4);
8019 }
8020
8021 /* disable access to nvram interface */
8022 bnx2x_disable_nvram_access(bp);
8023 bnx2x_release_nvram_lock(bp);
8024
8025 return rc;
8026}
8027
8028static int bnx2x_get_eeprom(struct net_device *dev,
8029 struct ethtool_eeprom *eeprom, u8 *eebuf)
8030{
8031 struct bnx2x *bp = netdev_priv(dev);
8032 int rc;
8033
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008034 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008035 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8036 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8037 eeprom->len, eeprom->len);
8038
8039 /* parameters already validated in ethtool_get_eeprom */
8040
8041 rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
8042
8043 return rc;
8044}
8045
8046static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
8047 u32 cmd_flags)
8048{
Eliezer Tamirf1410642008-02-28 11:51:50 -08008049 int count, i, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008050
8051 /* build the command word */
8052 cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
8053
8054 /* need to clear DONE bit separately */
8055 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
8056
8057 /* write the data */
8058 REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
8059
8060 /* address of the NVRAM to write to */
8061 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
8062 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
8063
8064 /* issue the write command */
8065 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
8066
8067 /* adjust timeout for emulation/FPGA */
8068 count = NVRAM_TIMEOUT_COUNT;
8069 if (CHIP_REV_IS_SLOW(bp))
8070 count *= 100;
8071
8072 /* wait for completion */
8073 rc = -EBUSY;
8074 for (i = 0; i < count; i++) {
8075 udelay(5);
8076 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8077 if (val & MCPR_NVM_COMMAND_DONE) {
8078 rc = 0;
8079 break;
8080 }
8081 }
8082
8083 return rc;
8084}
8085
Eliezer Tamirf1410642008-02-28 11:51:50 -08008086#define BYTE_OFFSET(offset) (8 * (offset & 0x03))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008087
8088static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
8089 int buf_size)
8090{
8091 int rc;
8092 u32 cmd_flags;
8093 u32 align_offset;
8094 u32 val;
8095
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008096 if (offset + buf_size > bp->common.flash_size) {
8097 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008098 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008099 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008100 return -EINVAL;
8101 }
8102
8103 /* request access to nvram interface */
8104 rc = bnx2x_acquire_nvram_lock(bp);
8105 if (rc)
8106 return rc;
8107
8108 /* enable access to nvram interface */
8109 bnx2x_enable_nvram_access(bp);
8110
8111 cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
8112 align_offset = (offset & ~0x03);
8113 rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
8114
8115 if (rc == 0) {
8116 val &= ~(0xff << BYTE_OFFSET(offset));
8117 val |= (*data_buf << BYTE_OFFSET(offset));
8118
8119 /* nvram data is returned as an array of bytes
8120 * convert it back to cpu order */
8121 val = be32_to_cpu(val);
8122
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008123 rc = bnx2x_nvram_write_dword(bp, align_offset, val,
8124 cmd_flags);
8125 }
8126
8127 /* disable access to nvram interface */
8128 bnx2x_disable_nvram_access(bp);
8129 bnx2x_release_nvram_lock(bp);
8130
8131 return rc;
8132}
8133
8134static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
8135 int buf_size)
8136{
8137 int rc;
8138 u32 cmd_flags;
8139 u32 val;
8140 u32 written_so_far;
8141
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008142 if (buf_size == 1) /* ethtool */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008143 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008144
8145 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008146 DP(BNX2X_MSG_NVM,
Eliezer Tamirc14423f2008-02-28 11:49:42 -08008147 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008148 offset, buf_size);
8149 return -EINVAL;
8150 }
8151
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008152 if (offset + buf_size > bp->common.flash_size) {
8153 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008154 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008155 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008156 return -EINVAL;
8157 }
8158
8159 /* request access to nvram interface */
8160 rc = bnx2x_acquire_nvram_lock(bp);
8161 if (rc)
8162 return rc;
8163
8164 /* enable access to nvram interface */
8165 bnx2x_enable_nvram_access(bp);
8166
8167 written_so_far = 0;
8168 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8169 while ((written_so_far < buf_size) && (rc == 0)) {
8170 if (written_so_far == (buf_size - sizeof(u32)))
8171 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8172 else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0)
8173 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8174 else if ((offset % NVRAM_PAGE_SIZE) == 0)
8175 cmd_flags |= MCPR_NVM_COMMAND_FIRST;
8176
8177 memcpy(&val, data_buf, 4);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008178
8179 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
8180
8181 /* advance to the next dword */
8182 offset += sizeof(u32);
8183 data_buf += sizeof(u32);
8184 written_so_far += sizeof(u32);
8185 cmd_flags = 0;
8186 }
8187
8188 /* disable access to nvram interface */
8189 bnx2x_disable_nvram_access(bp);
8190 bnx2x_release_nvram_lock(bp);
8191
8192 return rc;
8193}
8194
8195static int bnx2x_set_eeprom(struct net_device *dev,
8196 struct ethtool_eeprom *eeprom, u8 *eebuf)
8197{
8198 struct bnx2x *bp = netdev_priv(dev);
8199 int rc;
8200
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008201 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008202 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8203 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8204 eeprom->len, eeprom->len);
8205
8206 /* parameters already validated in ethtool_set_eeprom */
8207
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008208 /* If the magic number is PHY (0x00504859) upgrade the PHY FW */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008209 if (eeprom->magic == 0x00504859)
8210 if (bp->port.pmf) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008211
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008212 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008213 rc = bnx2x_flash_download(bp, BP_PORT(bp),
8214 bp->link_params.ext_phy_config,
8215 (bp->state != BNX2X_STATE_CLOSED),
8216 eebuf, eeprom->len);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008217 if ((bp->state == BNX2X_STATE_OPEN) ||
8218 (bp->state == BNX2X_STATE_DISABLED)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008219 rc |= bnx2x_link_reset(&bp->link_params,
8220 &bp->link_vars);
8221 rc |= bnx2x_phy_init(&bp->link_params,
8222 &bp->link_vars);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008223 }
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008224 bnx2x_release_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008225
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008226 } else /* Only the PMF can access the PHY */
8227 return -EINVAL;
8228 else
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008229 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008230
8231 return rc;
8232}
8233
8234static int bnx2x_get_coalesce(struct net_device *dev,
8235 struct ethtool_coalesce *coal)
8236{
8237 struct bnx2x *bp = netdev_priv(dev);
8238
8239 memset(coal, 0, sizeof(struct ethtool_coalesce));
8240
8241 coal->rx_coalesce_usecs = bp->rx_ticks;
8242 coal->tx_coalesce_usecs = bp->tx_ticks;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008243
8244 return 0;
8245}
8246
8247static int bnx2x_set_coalesce(struct net_device *dev,
8248 struct ethtool_coalesce *coal)
8249{
8250 struct bnx2x *bp = netdev_priv(dev);
8251
8252 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
8253 if (bp->rx_ticks > 3000)
8254 bp->rx_ticks = 3000;
8255
8256 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
8257 if (bp->tx_ticks > 0x3000)
8258 bp->tx_ticks = 0x3000;
8259
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008260 if (netif_running(dev))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008261 bnx2x_update_coalesce(bp);
8262
8263 return 0;
8264}
8265
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008266static int bnx2x_set_flags(struct net_device *dev, u32 data)
8267{
8268 struct bnx2x *bp = netdev_priv(dev);
8269 int changed = 0;
8270 int rc = 0;
8271
8272 if (data & ETH_FLAG_LRO) {
8273 if (!(dev->features & NETIF_F_LRO)) {
8274 dev->features |= NETIF_F_LRO;
8275 bp->flags |= TPA_ENABLE_FLAG;
8276 changed = 1;
8277 }
8278
8279 } else if (dev->features & NETIF_F_LRO) {
8280 dev->features &= ~NETIF_F_LRO;
8281 bp->flags &= ~TPA_ENABLE_FLAG;
8282 changed = 1;
8283 }
8284
8285 if (changed && netif_running(dev)) {
8286 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8287 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
8288 }
8289
8290 return rc;
8291}
8292
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008293static void bnx2x_get_ringparam(struct net_device *dev,
8294 struct ethtool_ringparam *ering)
8295{
8296 struct bnx2x *bp = netdev_priv(dev);
8297
8298 ering->rx_max_pending = MAX_RX_AVAIL;
8299 ering->rx_mini_max_pending = 0;
8300 ering->rx_jumbo_max_pending = 0;
8301
8302 ering->rx_pending = bp->rx_ring_size;
8303 ering->rx_mini_pending = 0;
8304 ering->rx_jumbo_pending = 0;
8305
8306 ering->tx_max_pending = MAX_TX_AVAIL;
8307 ering->tx_pending = bp->tx_ring_size;
8308}
8309
8310static int bnx2x_set_ringparam(struct net_device *dev,
8311 struct ethtool_ringparam *ering)
8312{
8313 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008314 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008315
8316 if ((ering->rx_pending > MAX_RX_AVAIL) ||
8317 (ering->tx_pending > MAX_TX_AVAIL) ||
8318 (ering->tx_pending <= MAX_SKB_FRAGS + 4))
8319 return -EINVAL;
8320
8321 bp->rx_ring_size = ering->rx_pending;
8322 bp->tx_ring_size = ering->tx_pending;
8323
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008324 if (netif_running(dev)) {
8325 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8326 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008327 }
8328
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008329 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008330}
8331
8332static void bnx2x_get_pauseparam(struct net_device *dev,
8333 struct ethtool_pauseparam *epause)
8334{
8335 struct bnx2x *bp = netdev_priv(dev);
8336
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008337 epause->autoneg = (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
8338 (bp->link_params.req_line_speed == SPEED_AUTO_NEG);
8339
8340 epause->rx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_RX) ==
8341 FLOW_CTRL_RX);
8342 epause->tx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_TX) ==
8343 FLOW_CTRL_TX);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008344
8345 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8346 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8347 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8348}
8349
8350static int bnx2x_set_pauseparam(struct net_device *dev,
8351 struct ethtool_pauseparam *epause)
8352{
8353 struct bnx2x *bp = netdev_priv(dev);
8354
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008355 if (IS_E1HMF(bp))
8356 return 0;
8357
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008358 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8359 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8360 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8361
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008362 bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
8363
8364 if (epause->rx_pause)
8365 bp->link_params.req_flow_ctrl |= FLOW_CTRL_RX;
8366
8367 if (epause->tx_pause)
8368 bp->link_params.req_flow_ctrl |= FLOW_CTRL_TX;
8369
8370 if (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO)
8371 bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
8372
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008373 if (epause->autoneg) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008374 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008375 DP(NETIF_MSG_LINK, "Autoneg not supported\n");
Eliezer Tamirf1410642008-02-28 11:51:50 -08008376 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008377 }
8378
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008379 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
8380 bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
8381 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008382
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008383 DP(NETIF_MSG_LINK,
8384 "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008385
8386 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008387 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008388 bnx2x_link_set(bp);
8389 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008390
8391 return 0;
8392}
8393
8394static u32 bnx2x_get_rx_csum(struct net_device *dev)
8395{
8396 struct bnx2x *bp = netdev_priv(dev);
8397
8398 return bp->rx_csum;
8399}
8400
8401static int bnx2x_set_rx_csum(struct net_device *dev, u32 data)
8402{
8403 struct bnx2x *bp = netdev_priv(dev);
8404
8405 bp->rx_csum = data;
8406 return 0;
8407}
8408
8409static int bnx2x_set_tso(struct net_device *dev, u32 data)
8410{
Eilon Greenstein755735eb2008-06-23 20:35:13 -07008411 if (data) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008412 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07008413 dev->features |= NETIF_F_TSO6;
8414 } else {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008415 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07008416 dev->features &= ~NETIF_F_TSO6;
8417 }
8418
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008419 return 0;
8420}
8421
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008422static const struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008423 char string[ETH_GSTRING_LEN];
8424} bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008425 { "register_test (offline)" },
8426 { "memory_test (offline)" },
8427 { "loopback_test (offline)" },
8428 { "nvram_test (online)" },
8429 { "interrupt_test (online)" },
8430 { "link_test (online)" },
8431 { "idle check (online)" },
8432 { "MC errors (online)" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008433};
8434
8435static int bnx2x_self_test_count(struct net_device *dev)
8436{
8437 return BNX2X_NUM_TESTS;
8438}
8439
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008440static int bnx2x_test_registers(struct bnx2x *bp)
8441{
8442 int idx, i, rc = -ENODEV;
8443 u32 wr_val = 0;
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008444 int port = BP_PORT(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008445 static const struct {
8446 u32 offset0;
8447 u32 offset1;
8448 u32 mask;
8449 } reg_tbl[] = {
8450/* 0 */ { BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff },
8451 { DORQ_REG_DB_ADDR0, 4, 0xffffffff },
8452 { HC_REG_AGG_INT_0, 4, 0x000003ff },
8453 { PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 },
8454 { PBF_REG_P0_INIT_CRD, 4, 0x000007ff },
8455 { PRS_REG_CID_PORT_0, 4, 0x00ffffff },
8456 { PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff },
8457 { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8458 { PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff },
8459 { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8460/* 10 */ { PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff },
8461 { QM_REG_CONNNUM_0, 4, 0x000fffff },
8462 { TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff },
8463 { SRC_REG_KEYRSS0_0, 40, 0xffffffff },
8464 { SRC_REG_KEYRSS0_7, 40, 0xffffffff },
8465 { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
8466 { XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 },
8467 { XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff },
8468 { NIG_REG_EGRESS_MNG0_FIFO, 20, 0xffffffff },
8469 { NIG_REG_LLH0_T_BIT, 4, 0x00000001 },
8470/* 20 */ { NIG_REG_EMAC0_IN_EN, 4, 0x00000001 },
8471 { NIG_REG_BMAC0_IN_EN, 4, 0x00000001 },
8472 { NIG_REG_XCM0_OUT_EN, 4, 0x00000001 },
8473 { NIG_REG_BRB0_OUT_EN, 4, 0x00000001 },
8474 { NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 },
8475 { NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff },
8476 { NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff },
8477 { NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff },
8478 { NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff },
8479 { NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 },
8480/* 30 */ { NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff },
8481 { NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff },
8482 { NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff },
8483 { NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 },
8484 { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 },
8485 { NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff },
8486 { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
8487 { NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f },
8488
8489 { 0xffffffff, 0, 0x00000000 }
8490 };
8491
8492 if (!netif_running(bp->dev))
8493 return rc;
8494
8495 /* Repeat the test twice:
8496 First by writing 0x00000000, second by writing 0xffffffff */
8497 for (idx = 0; idx < 2; idx++) {
8498
8499 switch (idx) {
8500 case 0:
8501 wr_val = 0;
8502 break;
8503 case 1:
8504 wr_val = 0xffffffff;
8505 break;
8506 }
8507
8508 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
8509 u32 offset, mask, save_val, val;
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008510
8511 offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
8512 mask = reg_tbl[i].mask;
8513
8514 save_val = REG_RD(bp, offset);
8515
8516 REG_WR(bp, offset, wr_val);
8517 val = REG_RD(bp, offset);
8518
8519 /* Restore the original register's value */
8520 REG_WR(bp, offset, save_val);
8521
8522 /* verify that value is as expected value */
8523 if ((val & mask) != (wr_val & mask))
8524 goto test_reg_exit;
8525 }
8526 }
8527
8528 rc = 0;
8529
8530test_reg_exit:
8531 return rc;
8532}
8533
8534static int bnx2x_test_memory(struct bnx2x *bp)
8535{
8536 int i, j, rc = -ENODEV;
8537 u32 val;
8538 static const struct {
8539 u32 offset;
8540 int size;
8541 } mem_tbl[] = {
8542 { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE },
8543 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
8544 { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE },
8545 { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE },
8546 { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE },
8547 { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE },
8548 { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE },
8549
8550 { 0xffffffff, 0 }
8551 };
8552 static const struct {
8553 char *name;
8554 u32 offset;
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008555 u32 e1_mask;
8556 u32 e1h_mask;
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008557 } prty_tbl[] = {
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008558 { "CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS, 0x3ffc0, 0 },
8559 { "CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS, 0x2, 0x2 },
8560 { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0, 0 },
8561 { "TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS, 0x3ffc0, 0 },
8562 { "UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS, 0x3ffc0, 0 },
8563 { "XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS, 0x3ffc1, 0 },
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008564
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008565 { NULL, 0xffffffff, 0, 0 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008566 };
8567
8568 if (!netif_running(bp->dev))
8569 return rc;
8570
8571 /* Go through all the memories */
8572 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
8573 for (j = 0; j < mem_tbl[i].size; j++)
8574 REG_RD(bp, mem_tbl[i].offset + j*4);
8575
8576 /* Check the parity status */
8577 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
8578 val = REG_RD(bp, prty_tbl[i].offset);
Yitchak Gertner9dabc422008-08-13 15:51:28 -07008579 if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) ||
8580 (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask)))) {
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008581 DP(NETIF_MSG_HW,
8582 "%s is 0x%x\n", prty_tbl[i].name, val);
8583 goto test_mem_exit;
8584 }
8585 }
8586
8587 rc = 0;
8588
8589test_mem_exit:
8590 return rc;
8591}
8592
8593static void bnx2x_netif_start(struct bnx2x *bp)
8594{
8595 int i;
8596
8597 if (atomic_dec_and_test(&bp->intr_sem)) {
8598 if (netif_running(bp->dev)) {
8599 bnx2x_int_enable(bp);
8600 for_each_queue(bp, i)
8601 napi_enable(&bnx2x_fp(bp, i, napi));
8602 if (bp->state == BNX2X_STATE_OPEN)
8603 netif_wake_queue(bp->dev);
8604 }
8605 }
8606}
8607
8608static void bnx2x_netif_stop(struct bnx2x *bp)
8609{
8610 int i;
8611
8612 if (netif_running(bp->dev)) {
8613 netif_tx_disable(bp->dev);
8614 bp->dev->trans_start = jiffies; /* prevent tx timeout */
8615 for_each_queue(bp, i)
8616 napi_disable(&bnx2x_fp(bp, i, napi));
8617 }
8618 bnx2x_int_disable_sync(bp);
8619}
8620
8621static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up)
8622{
8623 int cnt = 1000;
8624
8625 if (link_up)
8626 while (bnx2x_link_test(bp) && cnt--)
8627 msleep(10);
8628}
8629
8630static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
8631{
8632 unsigned int pkt_size, num_pkts, i;
8633 struct sk_buff *skb;
8634 unsigned char *packet;
8635 struct bnx2x_fastpath *fp = &bp->fp[0];
8636 u16 tx_start_idx, tx_idx;
8637 u16 rx_start_idx, rx_idx;
8638 u16 pkt_prod;
8639 struct sw_tx_bd *tx_buf;
8640 struct eth_tx_bd *tx_bd;
8641 dma_addr_t mapping;
8642 union eth_rx_cqe *cqe;
8643 u8 cqe_fp_flags;
8644 struct sw_rx_bd *rx_buf;
8645 u16 len;
8646 int rc = -ENODEV;
8647
8648 if (loopback_mode == BNX2X_MAC_LOOPBACK) {
8649 bp->link_params.loopback_mode = LOOPBACK_BMAC;
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008650 bnx2x_acquire_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008651 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008652 bnx2x_release_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008653
8654 } else if (loopback_mode == BNX2X_PHY_LOOPBACK) {
8655 bp->link_params.loopback_mode = LOOPBACK_XGXS_10;
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008656 bnx2x_acquire_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008657 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008658 bnx2x_release_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008659 /* wait until link state is restored */
8660 bnx2x_wait_for_link(bp, link_up);
8661
8662 } else
8663 return -EINVAL;
8664
8665 pkt_size = 1514;
8666 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
8667 if (!skb) {
8668 rc = -ENOMEM;
8669 goto test_loopback_exit;
8670 }
8671 packet = skb_put(skb, pkt_size);
8672 memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
8673 memset(packet + ETH_ALEN, 0, (ETH_HLEN - ETH_ALEN));
8674 for (i = ETH_HLEN; i < pkt_size; i++)
8675 packet[i] = (unsigned char) (i & 0xff);
8676
8677 num_pkts = 0;
8678 tx_start_idx = le16_to_cpu(*fp->tx_cons_sb);
8679 rx_start_idx = le16_to_cpu(*fp->rx_cons_sb);
8680
8681 pkt_prod = fp->tx_pkt_prod++;
8682 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
8683 tx_buf->first_bd = fp->tx_bd_prod;
8684 tx_buf->skb = skb;
8685
8686 tx_bd = &fp->tx_desc_ring[TX_BD(fp->tx_bd_prod)];
8687 mapping = pci_map_single(bp->pdev, skb->data,
8688 skb_headlen(skb), PCI_DMA_TODEVICE);
8689 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
8690 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
8691 tx_bd->nbd = cpu_to_le16(1);
8692 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
8693 tx_bd->vlan = cpu_to_le16(pkt_prod);
8694 tx_bd->bd_flags.as_bitfield = (ETH_TX_BD_FLAGS_START_BD |
8695 ETH_TX_BD_FLAGS_END_BD);
8696 tx_bd->general_data = ((UNICAST_ADDRESS <<
8697 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT) | 1);
8698
8699 fp->hw_tx_prods->bds_prod =
8700 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + 1);
8701 mb(); /* FW restriction: must not reorder writing nbd and packets */
8702 fp->hw_tx_prods->packets_prod =
8703 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
8704 DOORBELL(bp, FP_IDX(fp), 0);
8705
8706 mmiowb();
8707
8708 num_pkts++;
8709 fp->tx_bd_prod++;
8710 bp->dev->trans_start = jiffies;
8711
8712 udelay(100);
8713
8714 tx_idx = le16_to_cpu(*fp->tx_cons_sb);
8715 if (tx_idx != tx_start_idx + num_pkts)
8716 goto test_loopback_exit;
8717
8718 rx_idx = le16_to_cpu(*fp->rx_cons_sb);
8719 if (rx_idx != rx_start_idx + num_pkts)
8720 goto test_loopback_exit;
8721
8722 cqe = &fp->rx_comp_ring[RCQ_BD(fp->rx_comp_cons)];
8723 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
8724 if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
8725 goto test_loopback_rx_exit;
8726
8727 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
8728 if (len != pkt_size)
8729 goto test_loopback_rx_exit;
8730
8731 rx_buf = &fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)];
8732 skb = rx_buf->skb;
8733 skb_reserve(skb, cqe->fast_path_cqe.placement_offset);
8734 for (i = ETH_HLEN; i < pkt_size; i++)
8735 if (*(skb->data + i) != (unsigned char) (i & 0xff))
8736 goto test_loopback_rx_exit;
8737
8738 rc = 0;
8739
8740test_loopback_rx_exit:
8741 bp->dev->last_rx = jiffies;
8742
8743 fp->rx_bd_cons = NEXT_RX_IDX(fp->rx_bd_cons);
8744 fp->rx_bd_prod = NEXT_RX_IDX(fp->rx_bd_prod);
8745 fp->rx_comp_cons = NEXT_RCQ_IDX(fp->rx_comp_cons);
8746 fp->rx_comp_prod = NEXT_RCQ_IDX(fp->rx_comp_prod);
8747
8748 /* Update producers */
8749 bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod,
8750 fp->rx_sge_prod);
8751 mmiowb(); /* keep prod updates ordered */
8752
8753test_loopback_exit:
8754 bp->link_params.loopback_mode = LOOPBACK_NONE;
8755
8756 return rc;
8757}
8758
8759static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up)
8760{
8761 int rc = 0;
8762
8763 if (!netif_running(bp->dev))
8764 return BNX2X_LOOPBACK_FAILED;
8765
8766 bnx2x_netif_stop(bp);
8767
8768 if (bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up)) {
8769 DP(NETIF_MSG_PROBE, "MAC loopback failed\n");
8770 rc |= BNX2X_MAC_LOOPBACK_FAILED;
8771 }
8772
8773 if (bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up)) {
8774 DP(NETIF_MSG_PROBE, "PHY loopback failed\n");
8775 rc |= BNX2X_PHY_LOOPBACK_FAILED;
8776 }
8777
8778 bnx2x_netif_start(bp);
8779
8780 return rc;
8781}
8782
8783#define CRC32_RESIDUAL 0xdebb20e3
8784
8785static int bnx2x_test_nvram(struct bnx2x *bp)
8786{
8787 static const struct {
8788 int offset;
8789 int size;
8790 } nvram_tbl[] = {
8791 { 0, 0x14 }, /* bootstrap */
8792 { 0x14, 0xec }, /* dir */
8793 { 0x100, 0x350 }, /* manuf_info */
8794 { 0x450, 0xf0 }, /* feature_info */
8795 { 0x640, 0x64 }, /* upgrade_key_info */
8796 { 0x6a4, 0x64 },
8797 { 0x708, 0x70 }, /* manuf_key_info */
8798 { 0x778, 0x70 },
8799 { 0, 0 }
8800 };
8801 u32 buf[0x350 / 4];
8802 u8 *data = (u8 *)buf;
8803 int i, rc;
8804 u32 magic, csum;
8805
8806 rc = bnx2x_nvram_read(bp, 0, data, 4);
8807 if (rc) {
8808 DP(NETIF_MSG_PROBE, "magic value read (rc -%d)\n", -rc);
8809 goto test_nvram_exit;
8810 }
8811
8812 magic = be32_to_cpu(buf[0]);
8813 if (magic != 0x669955aa) {
8814 DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
8815 rc = -ENODEV;
8816 goto test_nvram_exit;
8817 }
8818
8819 for (i = 0; nvram_tbl[i].size; i++) {
8820
8821 rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
8822 nvram_tbl[i].size);
8823 if (rc) {
8824 DP(NETIF_MSG_PROBE,
8825 "nvram_tbl[%d] read data (rc -%d)\n", i, -rc);
8826 goto test_nvram_exit;
8827 }
8828
8829 csum = ether_crc_le(nvram_tbl[i].size, data);
8830 if (csum != CRC32_RESIDUAL) {
8831 DP(NETIF_MSG_PROBE,
8832 "nvram_tbl[%d] csum value (0x%08x)\n", i, csum);
8833 rc = -ENODEV;
8834 goto test_nvram_exit;
8835 }
8836 }
8837
8838test_nvram_exit:
8839 return rc;
8840}
8841
8842static int bnx2x_test_intr(struct bnx2x *bp)
8843{
8844 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
8845 int i, rc;
8846
8847 if (!netif_running(bp->dev))
8848 return -ENODEV;
8849
8850 config->hdr.length_6b = 0;
8851 config->hdr.offset = 0;
8852 config->hdr.client_id = BP_CL_ID(bp);
8853 config->hdr.reserved1 = 0;
8854
8855 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
8856 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
8857 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
8858 if (rc == 0) {
8859 bp->set_mac_pending++;
8860 for (i = 0; i < 10; i++) {
8861 if (!bp->set_mac_pending)
8862 break;
8863 msleep_interruptible(10);
8864 }
8865 if (i == 10)
8866 rc = -ENODEV;
8867 }
8868
8869 return rc;
8870}
8871
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008872static void bnx2x_self_test(struct net_device *dev,
8873 struct ethtool_test *etest, u64 *buf)
8874{
8875 struct bnx2x *bp = netdev_priv(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008876
8877 memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
8878
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008879 if (!netif_running(dev))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008880 return;
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008881
8882 /* offline tests are not suppoerted in MF mode */
8883 if (IS_E1HMF(bp))
8884 etest->flags &= ~ETH_TEST_FL_OFFLINE;
8885
8886 if (etest->flags & ETH_TEST_FL_OFFLINE) {
8887 u8 link_up;
8888
8889 link_up = bp->link_vars.link_up;
8890 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8891 bnx2x_nic_load(bp, LOAD_DIAG);
8892 /* wait until link state is restored */
8893 bnx2x_wait_for_link(bp, link_up);
8894
8895 if (bnx2x_test_registers(bp) != 0) {
8896 buf[0] = 1;
8897 etest->flags |= ETH_TEST_FL_FAILED;
8898 }
8899 if (bnx2x_test_memory(bp) != 0) {
8900 buf[1] = 1;
8901 etest->flags |= ETH_TEST_FL_FAILED;
8902 }
8903 buf[2] = bnx2x_test_loopback(bp, link_up);
8904 if (buf[2] != 0)
8905 etest->flags |= ETH_TEST_FL_FAILED;
8906
8907 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8908 bnx2x_nic_load(bp, LOAD_NORMAL);
8909 /* wait until link state is restored */
8910 bnx2x_wait_for_link(bp, link_up);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008911 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008912 if (bnx2x_test_nvram(bp) != 0) {
8913 buf[3] = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008914 etest->flags |= ETH_TEST_FL_FAILED;
8915 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008916 if (bnx2x_test_intr(bp) != 0) {
8917 buf[4] = 1;
8918 etest->flags |= ETH_TEST_FL_FAILED;
8919 }
8920 if (bp->port.pmf)
8921 if (bnx2x_link_test(bp) != 0) {
8922 buf[5] = 1;
8923 etest->flags |= ETH_TEST_FL_FAILED;
8924 }
8925 buf[7] = bnx2x_mc_assert(bp);
8926 if (buf[7] != 0)
8927 etest->flags |= ETH_TEST_FL_FAILED;
8928
8929#ifdef BNX2X_EXTRA_DEBUG
8930 bnx2x_panic_dump(bp);
8931#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008932}
8933
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008934static const struct {
8935 long offset;
8936 int size;
8937 u32 flags;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008938#define STATS_FLAGS_PORT 1
8939#define STATS_FLAGS_FUNC 2
8940 u8 string[ETH_GSTRING_LEN];
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008941} bnx2x_stats_arr[BNX2X_NUM_STATS] = {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008942/* 1 */ { STATS_OFFSET32(valid_bytes_received_hi),
8943 8, STATS_FLAGS_FUNC, "rx_bytes" },
8944 { STATS_OFFSET32(error_bytes_received_hi),
8945 8, STATS_FLAGS_FUNC, "rx_error_bytes" },
8946 { STATS_OFFSET32(total_bytes_transmitted_hi),
8947 8, STATS_FLAGS_FUNC, "tx_bytes" },
8948 { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
8949 8, STATS_FLAGS_PORT, "tx_error_bytes" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008950 { STATS_OFFSET32(total_unicast_packets_received_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008951 8, STATS_FLAGS_FUNC, "rx_ucast_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008952 { STATS_OFFSET32(total_multicast_packets_received_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008953 8, STATS_FLAGS_FUNC, "rx_mcast_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008954 { STATS_OFFSET32(total_broadcast_packets_received_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008955 8, STATS_FLAGS_FUNC, "rx_bcast_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008956 { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008957 8, STATS_FLAGS_FUNC, "tx_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008958 { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008959 8, STATS_FLAGS_PORT, "tx_mac_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008960/* 10 */{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008961 8, STATS_FLAGS_PORT, "tx_carrier_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008962 { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008963 8, STATS_FLAGS_PORT, "rx_crc_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008964 { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008965 8, STATS_FLAGS_PORT, "rx_align_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008966 { STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008967 8, STATS_FLAGS_PORT, "tx_single_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008968 { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008969 8, STATS_FLAGS_PORT, "tx_multi_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008970 { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008971 8, STATS_FLAGS_PORT, "tx_deferred" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008972 { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008973 8, STATS_FLAGS_PORT, "tx_excess_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008974 { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008975 8, STATS_FLAGS_PORT, "tx_late_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008976 { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008977 8, STATS_FLAGS_PORT, "tx_total_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008978 { STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008979 8, STATS_FLAGS_PORT, "rx_fragments" },
8980/* 20 */{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
8981 8, STATS_FLAGS_PORT, "rx_jabbers" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008982 { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008983 8, STATS_FLAGS_PORT, "rx_undersize_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008984 { STATS_OFFSET32(jabber_packets_received),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008985 4, STATS_FLAGS_FUNC, "rx_oversize_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008986 { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008987 8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008988 { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008989 8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008990 { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008991 8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008992 { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008993 8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008994 { STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008995 8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008996 { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008997 8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008998 { STATS_OFFSET32(etherstatspktsover1522octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008999 8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009000/* 30 */{ STATS_OFFSET32(rx_stat_xonpauseframesreceived_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009001 8, STATS_FLAGS_PORT, "rx_xon_frames" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009002 { STATS_OFFSET32(rx_stat_xoffpauseframesreceived_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009003 8, STATS_FLAGS_PORT, "rx_xoff_frames" },
9004 { STATS_OFFSET32(tx_stat_outxonsent_hi),
9005 8, STATS_FLAGS_PORT, "tx_xon_frames" },
9006 { STATS_OFFSET32(tx_stat_outxoffsent_hi),
9007 8, STATS_FLAGS_PORT, "tx_xoff_frames" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009008 { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009009 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
9010 { STATS_OFFSET32(mac_filter_discard),
9011 4, STATS_FLAGS_PORT, "rx_filtered_packets" },
9012 { STATS_OFFSET32(no_buff_discard),
9013 4, STATS_FLAGS_FUNC, "rx_discards" },
9014 { STATS_OFFSET32(xxoverflow_discard),
9015 4, STATS_FLAGS_PORT, "rx_fw_discards" },
9016 { STATS_OFFSET32(brb_drop_hi),
9017 8, STATS_FLAGS_PORT, "brb_discard" },
9018 { STATS_OFFSET32(brb_truncate_hi),
9019 8, STATS_FLAGS_PORT, "brb_truncate" },
9020/* 40 */{ STATS_OFFSET32(rx_err_discard_pkt),
9021 4, STATS_FLAGS_FUNC, "rx_phy_ip_err_discards"},
9022 { STATS_OFFSET32(rx_skb_alloc_failed),
9023 4, STATS_FLAGS_FUNC, "rx_skb_alloc_discard" },
9024/* 42 */{ STATS_OFFSET32(hw_csum_err),
9025 4, STATS_FLAGS_FUNC, "rx_csum_offload_errors" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009026};
9027
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009028#define IS_NOT_E1HMF_STAT(bp, i) \
9029 (IS_E1HMF(bp) && (bnx2x_stats_arr[i].flags & STATS_FLAGS_PORT))
9030
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009031static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
9032{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009033 struct bnx2x *bp = netdev_priv(dev);
9034 int i, j;
9035
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009036 switch (stringset) {
9037 case ETH_SS_STATS:
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009038 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009039 if (IS_NOT_E1HMF_STAT(bp, i))
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009040 continue;
9041 strcpy(buf + j*ETH_GSTRING_LEN,
9042 bnx2x_stats_arr[i].string);
9043 j++;
9044 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009045 break;
9046
9047 case ETH_SS_TEST:
9048 memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
9049 break;
9050 }
9051}
9052
9053static int bnx2x_get_stats_count(struct net_device *dev)
9054{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009055 struct bnx2x *bp = netdev_priv(dev);
9056 int i, num_stats = 0;
9057
9058 for (i = 0; i < BNX2X_NUM_STATS; i++) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009059 if (IS_NOT_E1HMF_STAT(bp, i))
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009060 continue;
9061 num_stats++;
9062 }
9063 return num_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009064}
9065
9066static void bnx2x_get_ethtool_stats(struct net_device *dev,
9067 struct ethtool_stats *stats, u64 *buf)
9068{
9069 struct bnx2x *bp = netdev_priv(dev);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009070 u32 *hw_stats = (u32 *)&bp->eth_stats;
9071 int i, j;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009072
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009073 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009074 if (IS_NOT_E1HMF_STAT(bp, i))
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009075 continue;
9076
9077 if (bnx2x_stats_arr[i].size == 0) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009078 /* skip this counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009079 buf[j] = 0;
9080 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009081 continue;
9082 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009083 if (bnx2x_stats_arr[i].size == 4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009084 /* 4-byte counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009085 buf[j] = (u64) *(hw_stats + bnx2x_stats_arr[i].offset);
9086 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009087 continue;
9088 }
9089 /* 8-byte counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009090 buf[j] = HILO_U64(*(hw_stats + bnx2x_stats_arr[i].offset),
9091 *(hw_stats + bnx2x_stats_arr[i].offset + 1));
9092 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009093 }
9094}
9095
9096static int bnx2x_phys_id(struct net_device *dev, u32 data)
9097{
9098 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009099 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009100 int i;
9101
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009102 if (!netif_running(dev))
9103 return 0;
9104
9105 if (!bp->port.pmf)
9106 return 0;
9107
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009108 if (data == 0)
9109 data = 2;
9110
9111 for (i = 0; i < (data * 2); i++) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009112 if ((i % 2) == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009113 bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009114 bp->link_params.hw_led_mode,
9115 bp->link_params.chip_id);
9116 else
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009117 bnx2x_set_led(bp, port, LED_MODE_OFF, 0,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009118 bp->link_params.hw_led_mode,
9119 bp->link_params.chip_id);
9120
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009121 msleep_interruptible(500);
9122 if (signal_pending(current))
9123 break;
9124 }
9125
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009126 if (bp->link_vars.link_up)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009127 bnx2x_set_led(bp, port, LED_MODE_OPER,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009128 bp->link_vars.line_speed,
9129 bp->link_params.hw_led_mode,
9130 bp->link_params.chip_id);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009131
9132 return 0;
9133}
9134
9135static struct ethtool_ops bnx2x_ethtool_ops = {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009136 .get_settings = bnx2x_get_settings,
9137 .set_settings = bnx2x_set_settings,
9138 .get_drvinfo = bnx2x_get_drvinfo,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009139 .get_wol = bnx2x_get_wol,
9140 .set_wol = bnx2x_set_wol,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009141 .get_msglevel = bnx2x_get_msglevel,
9142 .set_msglevel = bnx2x_set_msglevel,
9143 .nway_reset = bnx2x_nway_reset,
9144 .get_link = ethtool_op_get_link,
9145 .get_eeprom_len = bnx2x_get_eeprom_len,
9146 .get_eeprom = bnx2x_get_eeprom,
9147 .set_eeprom = bnx2x_set_eeprom,
9148 .get_coalesce = bnx2x_get_coalesce,
9149 .set_coalesce = bnx2x_set_coalesce,
9150 .get_ringparam = bnx2x_get_ringparam,
9151 .set_ringparam = bnx2x_set_ringparam,
9152 .get_pauseparam = bnx2x_get_pauseparam,
9153 .set_pauseparam = bnx2x_set_pauseparam,
9154 .get_rx_csum = bnx2x_get_rx_csum,
9155 .set_rx_csum = bnx2x_set_rx_csum,
9156 .get_tx_csum = ethtool_op_get_tx_csum,
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009157 .set_tx_csum = ethtool_op_set_tx_hw_csum,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009158 .set_flags = bnx2x_set_flags,
9159 .get_flags = ethtool_op_get_flags,
9160 .get_sg = ethtool_op_get_sg,
9161 .set_sg = ethtool_op_set_sg,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009162 .get_tso = ethtool_op_get_tso,
9163 .set_tso = bnx2x_set_tso,
9164 .self_test_count = bnx2x_self_test_count,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009165 .self_test = bnx2x_self_test,
9166 .get_strings = bnx2x_get_strings,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009167 .phys_id = bnx2x_phys_id,
9168 .get_stats_count = bnx2x_get_stats_count,
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009169 .get_ethtool_stats = bnx2x_get_ethtool_stats,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009170};
9171
9172/* end of ethtool_ops */
9173
9174/****************************************************************************
9175* General service functions
9176****************************************************************************/
9177
9178static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
9179{
9180 u16 pmcsr;
9181
9182 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
9183
9184 switch (state) {
9185 case PCI_D0:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009186 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009187 ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
9188 PCI_PM_CTRL_PME_STATUS));
9189
9190 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
9191 /* delay required during transition out of D3hot */
9192 msleep(20);
9193 break;
9194
9195 case PCI_D3hot:
9196 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
9197 pmcsr |= 3;
9198
9199 if (bp->wol)
9200 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
9201
9202 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
9203 pmcsr);
9204
9205 /* No more memory access after this point until
9206 * device is brought back to D0.
9207 */
9208 break;
9209
9210 default:
9211 return -EINVAL;
9212 }
9213 return 0;
9214}
9215
9216/*
9217 * net_device service functions
9218 */
9219
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009220static int bnx2x_poll(struct napi_struct *napi, int budget)
9221{
9222 struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath,
9223 napi);
9224 struct bnx2x *bp = fp->bp;
9225 int work_done = 0;
9226
9227#ifdef BNX2X_STOP_ON_ERROR
9228 if (unlikely(bp->panic))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009229 goto poll_panic;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009230#endif
9231
9232 prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb);
9233 prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb);
9234 prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256);
9235
9236 bnx2x_update_fpsb_idx(fp);
9237
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009238 if (BNX2X_HAS_TX_WORK(fp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009239 bnx2x_tx_int(fp, budget);
9240
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009241 if (BNX2X_HAS_RX_WORK(fp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009242 work_done = bnx2x_rx_int(fp, budget);
9243
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009244 rmb(); /* BNX2X_HAS_WORK() reads the status block */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009245
9246 /* must not complete if we consumed full budget */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009247 if ((work_done < budget) && !BNX2X_HAS_WORK(fp)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009248
9249#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009250poll_panic:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009251#endif
9252 netif_rx_complete(bp->dev, napi);
9253
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009254 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009255 le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009256 bnx2x_ack_sb(bp, FP_SB_ID(fp), CSTORM_ID,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009257 le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
9258 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009259 return work_done;
9260}
9261
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009262
9263/* we split the first BD into headers and data BDs
9264 * to ease the pain of our fellow micocode engineers
9265 * we use one mapping for both BDs
9266 * So far this has only been observed to happen
9267 * in Other Operating Systems(TM)
9268 */
9269static noinline u16 bnx2x_tx_split(struct bnx2x *bp,
9270 struct bnx2x_fastpath *fp,
9271 struct eth_tx_bd **tx_bd, u16 hlen,
9272 u16 bd_prod, int nbd)
9273{
9274 struct eth_tx_bd *h_tx_bd = *tx_bd;
9275 struct eth_tx_bd *d_tx_bd;
9276 dma_addr_t mapping;
9277 int old_len = le16_to_cpu(h_tx_bd->nbytes);
9278
9279 /* first fix first BD */
9280 h_tx_bd->nbd = cpu_to_le16(nbd);
9281 h_tx_bd->nbytes = cpu_to_le16(hlen);
9282
9283 DP(NETIF_MSG_TX_QUEUED, "TSO split header size is %d "
9284 "(%x:%x) nbd %d\n", h_tx_bd->nbytes, h_tx_bd->addr_hi,
9285 h_tx_bd->addr_lo, h_tx_bd->nbd);
9286
9287 /* now get a new data BD
9288 * (after the pbd) and fill it */
9289 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9290 d_tx_bd = &fp->tx_desc_ring[bd_prod];
9291
9292 mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi),
9293 le32_to_cpu(h_tx_bd->addr_lo)) + hlen;
9294
9295 d_tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9296 d_tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9297 d_tx_bd->nbytes = cpu_to_le16(old_len - hlen);
9298 d_tx_bd->vlan = 0;
9299 /* this marks the BD as one that has no individual mapping
9300 * the FW ignores this flag in a BD not marked start
9301 */
9302 d_tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO;
9303 DP(NETIF_MSG_TX_QUEUED,
9304 "TSO split data size is %d (%x:%x)\n",
9305 d_tx_bd->nbytes, d_tx_bd->addr_hi, d_tx_bd->addr_lo);
9306
9307 /* update tx_bd for marking the last BD flag */
9308 *tx_bd = d_tx_bd;
9309
9310 return bd_prod;
9311}
9312
9313static inline u16 bnx2x_csum_fix(unsigned char *t_header, u16 csum, s8 fix)
9314{
9315 if (fix > 0)
9316 csum = (u16) ~csum_fold(csum_sub(csum,
9317 csum_partial(t_header - fix, fix, 0)));
9318
9319 else if (fix < 0)
9320 csum = (u16) ~csum_fold(csum_add(csum,
9321 csum_partial(t_header, -fix, 0)));
9322
9323 return swab16(csum);
9324}
9325
9326static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
9327{
9328 u32 rc;
9329
9330 if (skb->ip_summed != CHECKSUM_PARTIAL)
9331 rc = XMIT_PLAIN;
9332
9333 else {
9334 if (skb->protocol == ntohs(ETH_P_IPV6)) {
9335 rc = XMIT_CSUM_V6;
9336 if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
9337 rc |= XMIT_CSUM_TCP;
9338
9339 } else {
9340 rc = XMIT_CSUM_V4;
9341 if (ip_hdr(skb)->protocol == IPPROTO_TCP)
9342 rc |= XMIT_CSUM_TCP;
9343 }
9344 }
9345
9346 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4)
9347 rc |= XMIT_GSO_V4;
9348
9349 else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
9350 rc |= XMIT_GSO_V6;
9351
9352 return rc;
9353}
9354
9355/* check if packet requires linearization (packet is too fragmented) */
9356static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
9357 u32 xmit_type)
9358{
9359 int to_copy = 0;
9360 int hlen = 0;
9361 int first_bd_sz = 0;
9362
9363 /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
9364 if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) {
9365
9366 if (xmit_type & XMIT_GSO) {
9367 unsigned short lso_mss = skb_shinfo(skb)->gso_size;
9368 /* Check if LSO packet needs to be copied:
9369 3 = 1 (for headers BD) + 2 (for PBD and last BD) */
9370 int wnd_size = MAX_FETCH_BD - 3;
9371 /* Number of widnows to check */
9372 int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size;
9373 int wnd_idx = 0;
9374 int frag_idx = 0;
9375 u32 wnd_sum = 0;
9376
9377 /* Headers length */
9378 hlen = (int)(skb_transport_header(skb) - skb->data) +
9379 tcp_hdrlen(skb);
9380
9381 /* Amount of data (w/o headers) on linear part of SKB*/
9382 first_bd_sz = skb_headlen(skb) - hlen;
9383
9384 wnd_sum = first_bd_sz;
9385
9386 /* Calculate the first sum - it's special */
9387 for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++)
9388 wnd_sum +=
9389 skb_shinfo(skb)->frags[frag_idx].size;
9390
9391 /* If there was data on linear skb data - check it */
9392 if (first_bd_sz > 0) {
9393 if (unlikely(wnd_sum < lso_mss)) {
9394 to_copy = 1;
9395 goto exit_lbl;
9396 }
9397
9398 wnd_sum -= first_bd_sz;
9399 }
9400
9401 /* Others are easier: run through the frag list and
9402 check all windows */
9403 for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) {
9404 wnd_sum +=
9405 skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size;
9406
9407 if (unlikely(wnd_sum < lso_mss)) {
9408 to_copy = 1;
9409 break;
9410 }
9411 wnd_sum -=
9412 skb_shinfo(skb)->frags[wnd_idx].size;
9413 }
9414
9415 } else {
9416 /* in non-LSO too fragmented packet should always
9417 be linearized */
9418 to_copy = 1;
9419 }
9420 }
9421
9422exit_lbl:
9423 if (unlikely(to_copy))
9424 DP(NETIF_MSG_TX_QUEUED,
9425 "Linearization IS REQUIRED for %s packet. "
9426 "num_frags %d hlen %d first_bd_sz %d\n",
9427 (xmit_type & XMIT_GSO) ? "LSO" : "non-LSO",
9428 skb_shinfo(skb)->nr_frags, hlen, first_bd_sz);
9429
9430 return to_copy;
9431}
9432
9433/* called with netif_tx_lock
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009434 * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009435 * netif_wake_queue()
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009436 */
9437static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
9438{
9439 struct bnx2x *bp = netdev_priv(dev);
9440 struct bnx2x_fastpath *fp;
9441 struct sw_tx_bd *tx_buf;
9442 struct eth_tx_bd *tx_bd;
9443 struct eth_tx_parse_bd *pbd = NULL;
9444 u16 pkt_prod, bd_prod;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009445 int nbd, fp_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009446 dma_addr_t mapping;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009447 u32 xmit_type = bnx2x_xmit_type(bp, skb);
9448 int vlan_off = (bp->e1hov ? 4 : 0);
9449 int i;
9450 u8 hlen = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009451
9452#ifdef BNX2X_STOP_ON_ERROR
9453 if (unlikely(bp->panic))
9454 return NETDEV_TX_BUSY;
9455#endif
9456
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009457 fp_index = (smp_processor_id() % bp->num_queues);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009458 fp = &bp->fp[fp_index];
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009459
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009460 if (unlikely(bnx2x_tx_avail(bp->fp) <
9461 (skb_shinfo(skb)->nr_frags + 3))) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009462 bp->eth_stats.driver_xoff++,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009463 netif_stop_queue(dev);
9464 BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
9465 return NETDEV_TX_BUSY;
9466 }
9467
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009468 DP(NETIF_MSG_TX_QUEUED, "SKB: summed %x protocol %x protocol(%x,%x)"
9469 " gso type %x xmit_type %x\n",
9470 skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr,
9471 ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type);
9472
9473 /* First, check if we need to linearaize the skb
9474 (due to FW restrictions) */
9475 if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) {
9476 /* Statistics of linearization */
9477 bp->lin_cnt++;
9478 if (skb_linearize(skb) != 0) {
9479 DP(NETIF_MSG_TX_QUEUED, "SKB linearization failed - "
9480 "silently dropping this SKB\n");
9481 dev_kfree_skb_any(skb);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009482 return NETDEV_TX_OK;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009483 }
9484 }
9485
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009486 /*
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009487 Please read carefully. First we use one BD which we mark as start,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009488 then for TSO or xsum we have a parsing info BD,
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009489 and only then we have the rest of the TSO BDs.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009490 (don't forget to mark the last one as last,
9491 and to unmap only AFTER you write to the BD ...)
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009492 And above all, all pdb sizes are in words - NOT DWORDS!
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009493 */
9494
9495 pkt_prod = fp->tx_pkt_prod++;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009496 bd_prod = TX_BD(fp->tx_bd_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009497
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009498 /* get a tx_buf and first BD */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009499 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
9500 tx_bd = &fp->tx_desc_ring[bd_prod];
9501
9502 tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
9503 tx_bd->general_data = (UNICAST_ADDRESS <<
9504 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT);
9505 tx_bd->general_data |= 1; /* header nbd */
9506
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009507 /* remember the first BD of the packet */
9508 tx_buf->first_bd = fp->tx_bd_prod;
9509 tx_buf->skb = skb;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009510
9511 DP(NETIF_MSG_TX_QUEUED,
9512 "sending pkt %u @%p next_idx %u bd %u @%p\n",
9513 pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_bd);
9514
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009515 if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb)) {
9516 tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb));
9517 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009518 vlan_off += 4;
9519 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009520 tx_bd->vlan = cpu_to_le16(pkt_prod);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009521
9522 if (xmit_type) {
9523
9524 /* turn on parsing and get a BD */
9525 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9526 pbd = (void *)&fp->tx_desc_ring[bd_prod];
9527
9528 memset(pbd, 0, sizeof(struct eth_tx_parse_bd));
9529 }
9530
9531 if (xmit_type & XMIT_CSUM) {
9532 hlen = (skb_network_header(skb) - skb->data + vlan_off) / 2;
9533
9534 /* for now NS flag is not used in Linux */
9535 pbd->global_data = (hlen |
9536 ((skb->protocol == ntohs(ETH_P_8021Q)) <<
9537 ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT));
9538
9539 pbd->ip_hlen = (skb_transport_header(skb) -
9540 skb_network_header(skb)) / 2;
9541
9542 hlen += pbd->ip_hlen + tcp_hdrlen(skb) / 2;
9543
9544 pbd->total_hlen = cpu_to_le16(hlen);
9545 hlen = hlen*2 - vlan_off;
9546
9547 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM;
9548
9549 if (xmit_type & XMIT_CSUM_V4)
9550 tx_bd->bd_flags.as_bitfield |=
9551 ETH_TX_BD_FLAGS_IP_CSUM;
9552 else
9553 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IPV6;
9554
9555 if (xmit_type & XMIT_CSUM_TCP) {
9556 pbd->tcp_pseudo_csum = swab16(tcp_hdr(skb)->check);
9557
9558 } else {
9559 s8 fix = SKB_CS_OFF(skb); /* signed! */
9560
9561 pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG;
9562 pbd->cs_offset = fix / 2;
9563
9564 DP(NETIF_MSG_TX_QUEUED,
9565 "hlen %d offset %d fix %d csum before fix %x\n",
9566 le16_to_cpu(pbd->total_hlen), pbd->cs_offset, fix,
9567 SKB_CS(skb));
9568
9569 /* HW bug: fixup the CSUM */
9570 pbd->tcp_pseudo_csum =
9571 bnx2x_csum_fix(skb_transport_header(skb),
9572 SKB_CS(skb), fix);
9573
9574 DP(NETIF_MSG_TX_QUEUED, "csum after fix %x\n",
9575 pbd->tcp_pseudo_csum);
9576 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009577 }
9578
9579 mapping = pci_map_single(bp->pdev, skb->data,
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009580 skb_headlen(skb), PCI_DMA_TODEVICE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009581
9582 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9583 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9584 nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL)? 1 : 2);
9585 tx_bd->nbd = cpu_to_le16(nbd);
9586 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
9587
9588 DP(NETIF_MSG_TX_QUEUED, "first bd @%p addr (%x:%x) nbd %d"
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009589 " nbytes %d flags %x vlan %x\n",
9590 tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, le16_to_cpu(tx_bd->nbd),
9591 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield,
9592 le16_to_cpu(tx_bd->vlan));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009593
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009594 if (xmit_type & XMIT_GSO) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009595
9596 DP(NETIF_MSG_TX_QUEUED,
9597 "TSO packet len %d hlen %d total len %d tso size %d\n",
9598 skb->len, hlen, skb_headlen(skb),
9599 skb_shinfo(skb)->gso_size);
9600
9601 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO;
9602
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009603 if (unlikely(skb_headlen(skb) > hlen))
9604 bd_prod = bnx2x_tx_split(bp, fp, &tx_bd, hlen,
9605 bd_prod, ++nbd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009606
9607 pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
9608 pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009609 pbd->tcp_flags = pbd_tcp_flags(skb);
9610
9611 if (xmit_type & XMIT_GSO_V4) {
9612 pbd->ip_id = swab16(ip_hdr(skb)->id);
9613 pbd->tcp_pseudo_csum =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009614 swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr,
9615 ip_hdr(skb)->daddr,
9616 0, IPPROTO_TCP, 0));
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009617
9618 } else
9619 pbd->tcp_pseudo_csum =
9620 swab16(~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
9621 &ipv6_hdr(skb)->daddr,
9622 0, IPPROTO_TCP, 0));
9623
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009624 pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN;
9625 }
9626
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009627 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
9628 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009629
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009630 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9631 tx_bd = &fp->tx_desc_ring[bd_prod];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009632
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009633 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
9634 frag->size, PCI_DMA_TODEVICE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009635
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009636 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9637 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9638 tx_bd->nbytes = cpu_to_le16(frag->size);
9639 tx_bd->vlan = cpu_to_le16(pkt_prod);
9640 tx_bd->bd_flags.as_bitfield = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009641
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009642 DP(NETIF_MSG_TX_QUEUED,
9643 "frag %d bd @%p addr (%x:%x) nbytes %d flags %x\n",
9644 i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo,
9645 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009646 }
9647
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009648 /* now at last mark the BD as the last BD */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009649 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD;
9650
9651 DP(NETIF_MSG_TX_QUEUED, "last bd @%p flags %x\n",
9652 tx_bd, tx_bd->bd_flags.as_bitfield);
9653
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009654 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9655
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009656 /* now send a tx doorbell, counting the next BD
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009657 * if the packet contains or ends with it
9658 */
9659 if (TX_BD_POFF(bd_prod) < nbd)
9660 nbd++;
9661
9662 if (pbd)
9663 DP(NETIF_MSG_TX_QUEUED,
9664 "PBD @%p ip_data %x ip_hlen %u ip_id %u lso_mss %u"
9665 " tcp_flags %x xsum %x seq %u hlen %u\n",
9666 pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id,
9667 pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum,
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009668 pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009669
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009670 DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d bd %u\n", nbd, bd_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009671
Eliezer Tamir96fc1782008-02-28 11:57:55 -08009672 fp->hw_tx_prods->bds_prod =
9673 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + nbd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009674 mb(); /* FW restriction: must not reorder writing nbd and packets */
Eliezer Tamir96fc1782008-02-28 11:57:55 -08009675 fp->hw_tx_prods->packets_prod =
9676 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009677 DOORBELL(bp, FP_IDX(fp), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009678
9679 mmiowb();
9680
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009681 fp->tx_bd_prod += nbd;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009682 dev->trans_start = jiffies;
9683
9684 if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
9685 netif_stop_queue(dev);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009686 bp->eth_stats.driver_xoff++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009687 if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
9688 netif_wake_queue(dev);
9689 }
9690 fp->tx_pkt++;
9691
9692 return NETDEV_TX_OK;
9693}
9694
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009695/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009696static int bnx2x_open(struct net_device *dev)
9697{
9698 struct bnx2x *bp = netdev_priv(dev);
9699
9700 bnx2x_set_power_state(bp, PCI_D0);
9701
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009702 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009703}
9704
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009705/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009706static int bnx2x_close(struct net_device *dev)
9707{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009708 struct bnx2x *bp = netdev_priv(dev);
9709
9710 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009711 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
9712 if (atomic_read(&bp->pdev->enable_cnt) == 1)
9713 if (!CHIP_REV_IS_SLOW(bp))
9714 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009715
9716 return 0;
9717}
9718
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009719/* called with netif_tx_lock from set_multicast */
9720static void bnx2x_set_rx_mode(struct net_device *dev)
9721{
9722 struct bnx2x *bp = netdev_priv(dev);
9723 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
9724 int port = BP_PORT(bp);
9725
9726 if (bp->state != BNX2X_STATE_OPEN) {
9727 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
9728 return;
9729 }
9730
9731 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
9732
9733 if (dev->flags & IFF_PROMISC)
9734 rx_mode = BNX2X_RX_MODE_PROMISC;
9735
9736 else if ((dev->flags & IFF_ALLMULTI) ||
9737 ((dev->mc_count > BNX2X_MAX_MULTICAST) && CHIP_IS_E1(bp)))
9738 rx_mode = BNX2X_RX_MODE_ALLMULTI;
9739
9740 else { /* some multicasts */
9741 if (CHIP_IS_E1(bp)) {
9742 int i, old, offset;
9743 struct dev_mc_list *mclist;
9744 struct mac_configuration_cmd *config =
9745 bnx2x_sp(bp, mcast_config);
9746
9747 for (i = 0, mclist = dev->mc_list;
9748 mclist && (i < dev->mc_count);
9749 i++, mclist = mclist->next) {
9750
9751 config->config_table[i].
9752 cam_entry.msb_mac_addr =
9753 swab16(*(u16 *)&mclist->dmi_addr[0]);
9754 config->config_table[i].
9755 cam_entry.middle_mac_addr =
9756 swab16(*(u16 *)&mclist->dmi_addr[2]);
9757 config->config_table[i].
9758 cam_entry.lsb_mac_addr =
9759 swab16(*(u16 *)&mclist->dmi_addr[4]);
9760 config->config_table[i].cam_entry.flags =
9761 cpu_to_le16(port);
9762 config->config_table[i].
9763 target_table_entry.flags = 0;
9764 config->config_table[i].
9765 target_table_entry.client_id = 0;
9766 config->config_table[i].
9767 target_table_entry.vlan_id = 0;
9768
9769 DP(NETIF_MSG_IFUP,
9770 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
9771 config->config_table[i].
9772 cam_entry.msb_mac_addr,
9773 config->config_table[i].
9774 cam_entry.middle_mac_addr,
9775 config->config_table[i].
9776 cam_entry.lsb_mac_addr);
9777 }
9778 old = config->hdr.length_6b;
9779 if (old > i) {
9780 for (; i < old; i++) {
9781 if (CAM_IS_INVALID(config->
9782 config_table[i])) {
9783 i--; /* already invalidated */
9784 break;
9785 }
9786 /* invalidate */
9787 CAM_INVALIDATE(config->
9788 config_table[i]);
9789 }
9790 }
9791
9792 if (CHIP_REV_IS_SLOW(bp))
9793 offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
9794 else
9795 offset = BNX2X_MAX_MULTICAST*(1 + port);
9796
9797 config->hdr.length_6b = i;
9798 config->hdr.offset = offset;
9799 config->hdr.client_id = BP_CL_ID(bp);
9800 config->hdr.reserved1 = 0;
9801
9802 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
9803 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
9804 U64_LO(bnx2x_sp_mapping(bp, mcast_config)),
9805 0);
9806 } else { /* E1H */
9807 /* Accept one or more multicasts */
9808 struct dev_mc_list *mclist;
9809 u32 mc_filter[MC_HASH_SIZE];
9810 u32 crc, bit, regidx;
9811 int i;
9812
9813 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
9814
9815 for (i = 0, mclist = dev->mc_list;
9816 mclist && (i < dev->mc_count);
9817 i++, mclist = mclist->next) {
9818
9819 DP(NETIF_MSG_IFUP, "Adding mcast MAC: "
9820 "%02x:%02x:%02x:%02x:%02x:%02x\n",
9821 mclist->dmi_addr[0], mclist->dmi_addr[1],
9822 mclist->dmi_addr[2], mclist->dmi_addr[3],
9823 mclist->dmi_addr[4], mclist->dmi_addr[5]);
9824
9825 crc = crc32c_le(0, mclist->dmi_addr, ETH_ALEN);
9826 bit = (crc >> 24) & 0xff;
9827 regidx = bit >> 5;
9828 bit &= 0x1f;
9829 mc_filter[regidx] |= (1 << bit);
9830 }
9831
9832 for (i = 0; i < MC_HASH_SIZE; i++)
9833 REG_WR(bp, MC_HASH_OFFSET(bp, i),
9834 mc_filter[i]);
9835 }
9836 }
9837
9838 bp->rx_mode = rx_mode;
9839 bnx2x_set_storm_rx_mode(bp);
9840}
9841
9842/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009843static int bnx2x_change_mac_addr(struct net_device *dev, void *p)
9844{
9845 struct sockaddr *addr = p;
9846 struct bnx2x *bp = netdev_priv(dev);
9847
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009848 if (!is_valid_ether_addr((u8 *)(addr->sa_data)))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009849 return -EINVAL;
9850
9851 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009852 if (netif_running(dev)) {
9853 if (CHIP_IS_E1(bp))
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07009854 bnx2x_set_mac_addr_e1(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009855 else
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07009856 bnx2x_set_mac_addr_e1h(bp, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009857 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009858
9859 return 0;
9860}
9861
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009862/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009863static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9864{
9865 struct mii_ioctl_data *data = if_mii(ifr);
9866 struct bnx2x *bp = netdev_priv(dev);
9867 int err;
9868
9869 switch (cmd) {
9870 case SIOCGMIIPHY:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009871 data->phy_id = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009872
Eliezer Tamirc14423f2008-02-28 11:49:42 -08009873 /* fallthrough */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009874
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009875 case SIOCGMIIREG: {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009876 u16 mii_regval;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009877
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009878 if (!netif_running(dev))
9879 return -EAGAIN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009880
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009881 mutex_lock(&bp->port.phy_mutex);
9882 err = bnx2x_cl45_read(bp, BP_PORT(bp), 0, bp->port.phy_addr,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009883 DEFAULT_PHY_DEV_ADDR,
9884 (data->reg_num & 0x1f), &mii_regval);
9885 data->val_out = mii_regval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009886 mutex_unlock(&bp->port.phy_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009887 return err;
9888 }
9889
9890 case SIOCSMIIREG:
9891 if (!capable(CAP_NET_ADMIN))
9892 return -EPERM;
9893
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009894 if (!netif_running(dev))
9895 return -EAGAIN;
9896
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009897 mutex_lock(&bp->port.phy_mutex);
9898 err = bnx2x_cl45_write(bp, BP_PORT(bp), 0, bp->port.phy_addr,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009899 DEFAULT_PHY_DEV_ADDR,
9900 (data->reg_num & 0x1f), data->val_in);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009901 mutex_unlock(&bp->port.phy_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009902 return err;
9903
9904 default:
9905 /* do nothing */
9906 break;
9907 }
9908
9909 return -EOPNOTSUPP;
9910}
9911
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009912/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009913static int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
9914{
9915 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009916 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009917
9918 if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) ||
9919 ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE))
9920 return -EINVAL;
9921
9922 /* This does not race with packet allocation
Eliezer Tamirc14423f2008-02-28 11:49:42 -08009923 * because the actual alloc size is
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009924 * only updated as part of load
9925 */
9926 dev->mtu = new_mtu;
9927
9928 if (netif_running(dev)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009929 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
9930 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009931 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009932
9933 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009934}
9935
9936static void bnx2x_tx_timeout(struct net_device *dev)
9937{
9938 struct bnx2x *bp = netdev_priv(dev);
9939
9940#ifdef BNX2X_STOP_ON_ERROR
9941 if (!bp->panic)
9942 bnx2x_panic();
9943#endif
9944 /* This allows the netif to be shutdown gracefully before resetting */
9945 schedule_work(&bp->reset_task);
9946}
9947
9948#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009949/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009950static void bnx2x_vlan_rx_register(struct net_device *dev,
9951 struct vlan_group *vlgrp)
9952{
9953 struct bnx2x *bp = netdev_priv(dev);
9954
9955 bp->vlgrp = vlgrp;
9956 if (netif_running(dev))
Eliezer Tamir49d66772008-02-28 11:53:13 -08009957 bnx2x_set_client_config(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009958}
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009959
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009960#endif
9961
9962#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
9963static void poll_bnx2x(struct net_device *dev)
9964{
9965 struct bnx2x *bp = netdev_priv(dev);
9966
9967 disable_irq(bp->pdev->irq);
9968 bnx2x_interrupt(bp->pdev->irq, dev);
9969 enable_irq(bp->pdev->irq);
9970}
9971#endif
9972
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009973static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
9974 struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009975{
9976 struct bnx2x *bp;
9977 int rc;
9978
9979 SET_NETDEV_DEV(dev, &pdev->dev);
9980 bp = netdev_priv(dev);
9981
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009982 bp->dev = dev;
9983 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009984 bp->flags = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009985 bp->func = PCI_FUNC(pdev->devfn);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009986
9987 rc = pci_enable_device(pdev);
9988 if (rc) {
9989 printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n");
9990 goto err_out;
9991 }
9992
9993 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
9994 printk(KERN_ERR PFX "Cannot find PCI device base address,"
9995 " aborting\n");
9996 rc = -ENODEV;
9997 goto err_out_disable;
9998 }
9999
10000 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
10001 printk(KERN_ERR PFX "Cannot find second PCI device"
10002 " base address, aborting\n");
10003 rc = -ENODEV;
10004 goto err_out_disable;
10005 }
10006
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010007 if (atomic_read(&pdev->enable_cnt) == 1) {
10008 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
10009 if (rc) {
10010 printk(KERN_ERR PFX "Cannot obtain PCI resources,"
10011 " aborting\n");
10012 goto err_out_disable;
10013 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010014
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010015 pci_set_master(pdev);
10016 pci_save_state(pdev);
10017 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010018
10019 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
10020 if (bp->pm_cap == 0) {
10021 printk(KERN_ERR PFX "Cannot find power management"
10022 " capability, aborting\n");
10023 rc = -EIO;
10024 goto err_out_release;
10025 }
10026
10027 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
10028 if (bp->pcie_cap == 0) {
10029 printk(KERN_ERR PFX "Cannot find PCI Express capability,"
10030 " aborting\n");
10031 rc = -EIO;
10032 goto err_out_release;
10033 }
10034
10035 if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
10036 bp->flags |= USING_DAC_FLAG;
10037 if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
10038 printk(KERN_ERR PFX "pci_set_consistent_dma_mask"
10039 " failed, aborting\n");
10040 rc = -EIO;
10041 goto err_out_release;
10042 }
10043
10044 } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
10045 printk(KERN_ERR PFX "System does not support DMA,"
10046 " aborting\n");
10047 rc = -EIO;
10048 goto err_out_release;
10049 }
10050
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010051 dev->mem_start = pci_resource_start(pdev, 0);
10052 dev->base_addr = dev->mem_start;
10053 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010054
10055 dev->irq = pdev->irq;
10056
10057 bp->regview = ioremap_nocache(dev->base_addr,
10058 pci_resource_len(pdev, 0));
10059 if (!bp->regview) {
10060 printk(KERN_ERR PFX "Cannot map register space, aborting\n");
10061 rc = -ENOMEM;
10062 goto err_out_release;
10063 }
10064
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010065 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
10066 min_t(u64, BNX2X_DB_SIZE,
10067 pci_resource_len(pdev, 2)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010068 if (!bp->doorbells) {
10069 printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n");
10070 rc = -ENOMEM;
10071 goto err_out_unmap;
10072 }
10073
10074 bnx2x_set_power_state(bp, PCI_D0);
10075
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010076 /* clean indirect addresses */
10077 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
10078 PCICFG_VENDOR_ID_OFFSET);
10079 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
10080 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
10081 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
10082 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010083
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010084 dev->hard_start_xmit = bnx2x_start_xmit;
10085 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010086
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010087 dev->ethtool_ops = &bnx2x_ethtool_ops;
10088 dev->open = bnx2x_open;
10089 dev->stop = bnx2x_close;
10090 dev->set_multicast_list = bnx2x_set_rx_mode;
10091 dev->set_mac_address = bnx2x_change_mac_addr;
10092 dev->do_ioctl = bnx2x_ioctl;
10093 dev->change_mtu = bnx2x_change_mtu;
10094 dev->tx_timeout = bnx2x_tx_timeout;
10095#ifdef BCM_VLAN
10096 dev->vlan_rx_register = bnx2x_vlan_rx_register;
10097#endif
10098#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
10099 dev->poll_controller = poll_bnx2x;
10100#endif
10101 dev->features |= NETIF_F_SG;
10102 dev->features |= NETIF_F_HW_CSUM;
10103 if (bp->flags & USING_DAC_FLAG)
10104 dev->features |= NETIF_F_HIGHDMA;
10105#ifdef BCM_VLAN
10106 dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
10107#endif
10108 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735eb2008-06-23 20:35:13 -070010109 dev->features |= NETIF_F_TSO6;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010110
10111 return 0;
10112
10113err_out_unmap:
10114 if (bp->regview) {
10115 iounmap(bp->regview);
10116 bp->regview = NULL;
10117 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010118 if (bp->doorbells) {
10119 iounmap(bp->doorbells);
10120 bp->doorbells = NULL;
10121 }
10122
10123err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010124 if (atomic_read(&pdev->enable_cnt) == 1)
10125 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010126
10127err_out_disable:
10128 pci_disable_device(pdev);
10129 pci_set_drvdata(pdev, NULL);
10130
10131err_out:
10132 return rc;
10133}
10134
Eliezer Tamir25047952008-02-28 11:50:16 -080010135static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp)
10136{
10137 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10138
10139 val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
10140 return val;
10141}
10142
10143/* return value of 1=2.5GHz 2=5GHz */
10144static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp)
10145{
10146 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10147
10148 val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
10149 return val;
10150}
10151
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010152static int __devinit bnx2x_init_one(struct pci_dev *pdev,
10153 const struct pci_device_id *ent)
10154{
10155 static int version_printed;
10156 struct net_device *dev = NULL;
10157 struct bnx2x *bp;
Eliezer Tamir25047952008-02-28 11:50:16 -080010158 int rc;
Eliezer Tamir25047952008-02-28 11:50:16 -080010159 DECLARE_MAC_BUF(mac);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010160
10161 if (version_printed++ == 0)
10162 printk(KERN_INFO "%s", version);
10163
10164 /* dev zeroed in init_etherdev */
10165 dev = alloc_etherdev(sizeof(*bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010166 if (!dev) {
10167 printk(KERN_ERR PFX "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010168 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010169 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010170
10171 netif_carrier_off(dev);
10172
10173 bp = netdev_priv(dev);
10174 bp->msglevel = debug;
10175
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010176 rc = bnx2x_init_dev(pdev, dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010177 if (rc < 0) {
10178 free_netdev(dev);
10179 return rc;
10180 }
10181
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010182 rc = register_netdev(dev);
10183 if (rc) {
Eliezer Tamirc14423f2008-02-28 11:49:42 -080010184 dev_err(&pdev->dev, "Cannot register net device\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010185 goto init_one_exit;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010186 }
10187
10188 pci_set_drvdata(pdev, dev);
10189
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010190 rc = bnx2x_init_bp(bp);
10191 if (rc) {
10192 unregister_netdev(dev);
10193 goto init_one_exit;
10194 }
10195
10196 bp->common.name = board_info[ent->driver_data].name;
Eliezer Tamir25047952008-02-28 11:50:16 -080010197 printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx,"
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010198 " IRQ %d, ", dev->name, bp->common.name,
10199 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
Eliezer Tamir25047952008-02-28 11:50:16 -080010200 bnx2x_get_pcie_width(bp),
10201 (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz",
10202 dev->base_addr, bp->pdev->irq);
10203 printk(KERN_CONT "node addr %s\n", print_mac(mac, dev->dev_addr));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010204 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010205
10206init_one_exit:
10207 if (bp->regview)
10208 iounmap(bp->regview);
10209
10210 if (bp->doorbells)
10211 iounmap(bp->doorbells);
10212
10213 free_netdev(dev);
10214
10215 if (atomic_read(&pdev->enable_cnt) == 1)
10216 pci_release_regions(pdev);
10217
10218 pci_disable_device(pdev);
10219 pci_set_drvdata(pdev, NULL);
10220
10221 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010222}
10223
10224static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
10225{
10226 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010227 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010228
Eliezer Tamir228241e2008-02-28 11:56:57 -080010229 if (!dev) {
Eliezer Tamir228241e2008-02-28 11:56:57 -080010230 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10231 return;
10232 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010233 bp = netdev_priv(dev);
10234
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010235 unregister_netdev(dev);
10236
10237 if (bp->regview)
10238 iounmap(bp->regview);
10239
10240 if (bp->doorbells)
10241 iounmap(bp->doorbells);
10242
10243 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010244
10245 if (atomic_read(&pdev->enable_cnt) == 1)
10246 pci_release_regions(pdev);
10247
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010248 pci_disable_device(pdev);
10249 pci_set_drvdata(pdev, NULL);
10250}
10251
10252static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
10253{
10254 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010255 struct bnx2x *bp;
10256
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010257 if (!dev) {
10258 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10259 return -ENODEV;
10260 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010261 bp = netdev_priv(dev);
10262
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010263 rtnl_lock();
10264
10265 pci_save_state(pdev);
10266
10267 if (!netif_running(dev)) {
10268 rtnl_unlock();
10269 return 0;
10270 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010271
10272 netif_device_detach(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010273
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -070010274 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010275
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010276 bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
Eliezer Tamir228241e2008-02-28 11:56:57 -080010277
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010278 rtnl_unlock();
10279
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010280 return 0;
10281}
10282
10283static int bnx2x_resume(struct pci_dev *pdev)
10284{
10285 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010286 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010287 int rc;
10288
Eliezer Tamir228241e2008-02-28 11:56:57 -080010289 if (!dev) {
10290 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10291 return -ENODEV;
10292 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010293 bp = netdev_priv(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010294
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010295 rtnl_lock();
10296
Eliezer Tamir228241e2008-02-28 11:56:57 -080010297 pci_restore_state(pdev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010298
10299 if (!netif_running(dev)) {
10300 rtnl_unlock();
10301 return 0;
10302 }
10303
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010304 bnx2x_set_power_state(bp, PCI_D0);
10305 netif_device_attach(dev);
10306
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -070010307 rc = bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010308
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010309 rtnl_unlock();
10310
10311 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010312}
10313
Wendy Xiong493adb12008-06-23 20:36:22 -070010314/**
10315 * bnx2x_io_error_detected - called when PCI error is detected
10316 * @pdev: Pointer to PCI device
10317 * @state: The current pci connection state
10318 *
10319 * This function is called after a PCI bus error affecting
10320 * this device has been detected.
10321 */
10322static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
10323 pci_channel_state_t state)
10324{
10325 struct net_device *dev = pci_get_drvdata(pdev);
10326 struct bnx2x *bp = netdev_priv(dev);
10327
10328 rtnl_lock();
10329
10330 netif_device_detach(dev);
10331
10332 if (netif_running(dev))
10333 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
10334
10335 pci_disable_device(pdev);
10336
10337 rtnl_unlock();
10338
10339 /* Request a slot reset */
10340 return PCI_ERS_RESULT_NEED_RESET;
10341}
10342
10343/**
10344 * bnx2x_io_slot_reset - called after the PCI bus has been reset
10345 * @pdev: Pointer to PCI device
10346 *
10347 * Restart the card from scratch, as if from a cold-boot.
10348 */
10349static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
10350{
10351 struct net_device *dev = pci_get_drvdata(pdev);
10352 struct bnx2x *bp = netdev_priv(dev);
10353
10354 rtnl_lock();
10355
10356 if (pci_enable_device(pdev)) {
10357 dev_err(&pdev->dev,
10358 "Cannot re-enable PCI device after reset\n");
10359 rtnl_unlock();
10360 return PCI_ERS_RESULT_DISCONNECT;
10361 }
10362
10363 pci_set_master(pdev);
10364 pci_restore_state(pdev);
10365
10366 if (netif_running(dev))
10367 bnx2x_set_power_state(bp, PCI_D0);
10368
10369 rtnl_unlock();
10370
10371 return PCI_ERS_RESULT_RECOVERED;
10372}
10373
10374/**
10375 * bnx2x_io_resume - called when traffic can start flowing again
10376 * @pdev: Pointer to PCI device
10377 *
10378 * This callback is called when the error recovery driver tells us that
10379 * its OK to resume normal operation.
10380 */
10381static void bnx2x_io_resume(struct pci_dev *pdev)
10382{
10383 struct net_device *dev = pci_get_drvdata(pdev);
10384 struct bnx2x *bp = netdev_priv(dev);
10385
10386 rtnl_lock();
10387
10388 if (netif_running(dev))
10389 bnx2x_nic_load(bp, LOAD_OPEN);
10390
10391 netif_device_attach(dev);
10392
10393 rtnl_unlock();
10394}
10395
10396static struct pci_error_handlers bnx2x_err_handler = {
10397 .error_detected = bnx2x_io_error_detected,
10398 .slot_reset = bnx2x_io_slot_reset,
10399 .resume = bnx2x_io_resume,
10400};
10401
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010402static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070010403 .name = DRV_MODULE_NAME,
10404 .id_table = bnx2x_pci_tbl,
10405 .probe = bnx2x_init_one,
10406 .remove = __devexit_p(bnx2x_remove_one),
10407 .suspend = bnx2x_suspend,
10408 .resume = bnx2x_resume,
10409 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010410};
10411
10412static int __init bnx2x_init(void)
10413{
10414 return pci_register_driver(&bnx2x_pci_driver);
10415}
10416
10417static void __exit bnx2x_cleanup(void)
10418{
10419 pci_unregister_driver(&bnx2x_pci_driver);
10420}
10421
10422module_init(bnx2x_init);
10423module_exit(bnx2x_cleanup);
10424