blob: b9d376d972ca4855a1194688f883e4b548ca5b6d [file] [log] [blame]
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001/* bnx2x_main.c: Broadcom Everest network driver.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002 *
Eliezer Tamirf1410642008-02-28 11:51:50 -08003 * Copyright (c) 2007-2008 Broadcom Corporation
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
Eilon Greenstein24e3fce2008-06-12 14:30:28 -07009 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011 * Based on code from Michael Chan's bnx2 driver
12 * UDP CSUM errata workaround by Arik Gendelman
13 * Slowpath rework by Vladislav Zolotarov
Eliezer Tamirc14423f2008-02-28 11:49:42 -080014 * Statistics and Link management by Yitchak Gertner
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020015 *
16 */
17
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020018#include <linux/module.h>
19#include <linux/moduleparam.h>
20#include <linux/kernel.h>
21#include <linux/device.h> /* for dev_info() */
22#include <linux/timer.h>
23#include <linux/errno.h>
24#include <linux/ioport.h>
25#include <linux/slab.h>
26#include <linux/vmalloc.h>
27#include <linux/interrupt.h>
28#include <linux/pci.h>
29#include <linux/init.h>
30#include <linux/netdevice.h>
31#include <linux/etherdevice.h>
32#include <linux/skbuff.h>
33#include <linux/dma-mapping.h>
34#include <linux/bitops.h>
35#include <linux/irq.h>
36#include <linux/delay.h>
37#include <asm/byteorder.h>
38#include <linux/time.h>
39#include <linux/ethtool.h>
40#include <linux/mii.h>
41#ifdef NETIF_F_HW_VLAN_TX
42 #include <linux/if_vlan.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020043#endif
44#include <net/ip.h>
45#include <net/tcp.h>
46#include <net/checksum.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070047#include <linux/version.h>
48#include <net/ip6_checksum.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020049#include <linux/workqueue.h>
50#include <linux/crc32.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070051#include <linux/crc32c.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020052#include <linux/prefetch.h>
53#include <linux/zlib.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020054#include <linux/io.h>
55
56#include "bnx2x_reg.h"
57#include "bnx2x_fw_defs.h"
58#include "bnx2x_hsi.h"
Yaniv Rosnerc18487e2008-06-23 20:27:52 -070059#include "bnx2x_link.h"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020060#include "bnx2x.h"
61#include "bnx2x_init.h"
62
Eilon Greensteine35c3262008-06-23 20:36:51 -070063#define DRV_MODULE_VERSION "1.45.6"
64#define DRV_MODULE_RELDATE "2008/06/23"
Eilon Greenstein34f80b02008-06-23 20:33:01 -070065#define BNX2X_BC_VER 0x040200
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020066
Eilon Greenstein34f80b02008-06-23 20:33:01 -070067/* Time in jiffies before concluding the transmitter is hung */
68#define TX_TIMEOUT (5*HZ)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020069
Andrew Morton53a10562008-02-09 23:16:41 -080070static char version[] __devinitdata =
Eilon Greenstein34f80b02008-06-23 20:33:01 -070071 "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020072 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
73
Eilon Greenstein24e3fce2008-06-12 14:30:28 -070074MODULE_AUTHOR("Eliezer Tamir");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020075MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver");
76MODULE_LICENSE("GPL");
77MODULE_VERSION(DRV_MODULE_VERSION);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020078
Eilon Greenstein19680c42008-08-13 15:47:33 -070079static int disable_tpa;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020080static int use_inta;
81static int poll;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020082static int debug;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070083static int load_count[3]; /* 0-common, 1-port0, 2-port1 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020084static int use_multi;
85
Eilon Greenstein19680c42008-08-13 15:47:33 -070086module_param(disable_tpa, int, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020087module_param(use_inta, int, 0);
88module_param(poll, int, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020089module_param(debug, int, 0);
Eilon Greenstein19680c42008-08-13 15:47:33 -070090MODULE_PARM_DESC(disable_tpa, "disable the TPA (LRO) feature");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020091MODULE_PARM_DESC(use_inta, "use INT#A instead of MSI-X");
92MODULE_PARM_DESC(poll, "use polling (for debug)");
Eliezer Tamirc14423f2008-02-28 11:49:42 -080093MODULE_PARM_DESC(debug, "default debug msglevel");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020094
95#ifdef BNX2X_MULTI
96module_param(use_multi, int, 0);
97MODULE_PARM_DESC(use_multi, "use per-CPU queues");
98#endif
99
100enum bnx2x_board_type {
101 BCM57710 = 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700102 BCM57711 = 1,
103 BCM57711E = 2,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200104};
105
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700106/* indexed by board_type, above */
Andrew Morton53a10562008-02-09 23:16:41 -0800107static struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200108 char *name;
109} board_info[] __devinitdata = {
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700110 { "Broadcom NetXtreme II BCM57710 XGb" },
111 { "Broadcom NetXtreme II BCM57711 XGb" },
112 { "Broadcom NetXtreme II BCM57711E XGb" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200113};
114
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700115
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200116static const struct pci_device_id bnx2x_pci_tbl[] = {
117 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57710,
118 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57710 },
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700119 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711,
120 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711 },
121 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711E,
122 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711E },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200123 { 0 }
124};
125
126MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
127
128/****************************************************************************
129* General service functions
130****************************************************************************/
131
132/* used only at init
133 * locking is done by mcp
134 */
135static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
136{
137 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
138 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
139 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
140 PCICFG_VENDOR_ID_OFFSET);
141}
142
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200143static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
144{
145 u32 val;
146
147 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
148 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
149 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
150 PCICFG_VENDOR_ID_OFFSET);
151
152 return val;
153}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200154
155static const u32 dmae_reg_go_c[] = {
156 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
157 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
158 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
159 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
160};
161
162/* copy command into DMAE command memory and set DMAE command go */
163static void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae,
164 int idx)
165{
166 u32 cmd_offset;
167 int i;
168
169 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
170 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
171 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
172
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700173 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
174 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200175 }
176 REG_WR(bp, dmae_reg_go_c[idx], 1);
177}
178
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700179void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
180 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200181{
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700182 struct dmae_command *dmae = &bp->init_dmae;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200183 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700184 int cnt = 200;
185
186 if (!bp->dmae_ready) {
187 u32 *data = bnx2x_sp(bp, wb_data[0]);
188
189 DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)"
190 " using indirect\n", dst_addr, len32);
191 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
192 return;
193 }
194
195 mutex_lock(&bp->dmae_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200196
197 memset(dmae, 0, sizeof(struct dmae_command));
198
199 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
200 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
201 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
202#ifdef __BIG_ENDIAN
203 DMAE_CMD_ENDIANITY_B_DW_SWAP |
204#else
205 DMAE_CMD_ENDIANITY_DW_SWAP |
206#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700207 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
208 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200209 dmae->src_addr_lo = U64_LO(dma_addr);
210 dmae->src_addr_hi = U64_HI(dma_addr);
211 dmae->dst_addr_lo = dst_addr >> 2;
212 dmae->dst_addr_hi = 0;
213 dmae->len = len32;
214 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
215 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700216 dmae->comp_val = DMAE_COMP_VAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200217
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700218 DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200219 DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
220 "dst_addr [%x:%08x (%08x)]\n"
221 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
222 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
223 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, dst_addr,
224 dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700225 DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200226 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
227 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200228
229 *wb_comp = 0;
230
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700231 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200232
233 udelay(5);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700234
235 while (*wb_comp != DMAE_COMP_VAL) {
236 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
237
238 /* adjust delay for emulation/FPGA */
239 if (CHIP_REV_IS_SLOW(bp))
240 msleep(100);
241 else
242 udelay(5);
243
244 if (!cnt) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200245 BNX2X_ERR("dmae timeout!\n");
246 break;
247 }
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700248 cnt--;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200249 }
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700250
251 mutex_unlock(&bp->dmae_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200252}
253
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700254void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200255{
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700256 struct dmae_command *dmae = &bp->init_dmae;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200257 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700258 int cnt = 200;
259
260 if (!bp->dmae_ready) {
261 u32 *data = bnx2x_sp(bp, wb_data[0]);
262 int i;
263
264 DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)"
265 " using indirect\n", src_addr, len32);
266 for (i = 0; i < len32; i++)
267 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
268 return;
269 }
270
271 mutex_lock(&bp->dmae_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200272
273 memset(bnx2x_sp(bp, wb_data[0]), 0, sizeof(u32) * 4);
274 memset(dmae, 0, sizeof(struct dmae_command));
275
276 dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
277 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
278 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
279#ifdef __BIG_ENDIAN
280 DMAE_CMD_ENDIANITY_B_DW_SWAP |
281#else
282 DMAE_CMD_ENDIANITY_DW_SWAP |
283#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700284 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
285 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200286 dmae->src_addr_lo = src_addr >> 2;
287 dmae->src_addr_hi = 0;
288 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
289 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
290 dmae->len = len32;
291 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
292 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700293 dmae->comp_val = DMAE_COMP_VAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200294
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700295 DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200296 DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
297 "dst_addr [%x:%08x (%08x)]\n"
298 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
299 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
300 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, src_addr,
301 dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200302
303 *wb_comp = 0;
304
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700305 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200306
307 udelay(5);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700308
309 while (*wb_comp != DMAE_COMP_VAL) {
310
311 /* adjust delay for emulation/FPGA */
312 if (CHIP_REV_IS_SLOW(bp))
313 msleep(100);
314 else
315 udelay(5);
316
317 if (!cnt) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200318 BNX2X_ERR("dmae timeout!\n");
319 break;
320 }
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700321 cnt--;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200322 }
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700323 DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200324 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
325 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700326
327 mutex_unlock(&bp->dmae_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200328}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200329
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700330/* used only for slowpath so not inlined */
331static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
332{
333 u32 wb_write[2];
334
335 wb_write[0] = val_hi;
336 wb_write[1] = val_lo;
337 REG_WR_DMAE(bp, reg, wb_write, 2);
338}
339
340#ifdef USE_WB_RD
341static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
342{
343 u32 wb_data[2];
344
345 REG_RD_DMAE(bp, reg, wb_data, 2);
346
347 return HILO_U64(wb_data[0], wb_data[1]);
348}
349#endif
350
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200351static int bnx2x_mc_assert(struct bnx2x *bp)
352{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200353 char last_idx;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700354 int i, rc = 0;
355 u32 row0, row1, row2, row3;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200356
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700357 /* XSTORM */
358 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
359 XSTORM_ASSERT_LIST_INDEX_OFFSET);
360 if (last_idx)
361 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200362
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700363 /* print the asserts */
364 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200365
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700366 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
367 XSTORM_ASSERT_LIST_OFFSET(i));
368 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
369 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
370 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
371 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
372 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
373 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200374
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700375 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
376 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
377 " 0x%08x 0x%08x 0x%08x\n",
378 i, row3, row2, row1, row0);
379 rc++;
380 } else {
381 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200382 }
383 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700384
385 /* TSTORM */
386 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
387 TSTORM_ASSERT_LIST_INDEX_OFFSET);
388 if (last_idx)
389 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
390
391 /* print the asserts */
392 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
393
394 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
395 TSTORM_ASSERT_LIST_OFFSET(i));
396 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
397 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
398 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
399 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
400 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
401 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
402
403 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
404 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
405 " 0x%08x 0x%08x 0x%08x\n",
406 i, row3, row2, row1, row0);
407 rc++;
408 } else {
409 break;
410 }
411 }
412
413 /* CSTORM */
414 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
415 CSTORM_ASSERT_LIST_INDEX_OFFSET);
416 if (last_idx)
417 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
418
419 /* print the asserts */
420 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
421
422 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
423 CSTORM_ASSERT_LIST_OFFSET(i));
424 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
425 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
426 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
427 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
428 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
429 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
430
431 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
432 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
433 " 0x%08x 0x%08x 0x%08x\n",
434 i, row3, row2, row1, row0);
435 rc++;
436 } else {
437 break;
438 }
439 }
440
441 /* USTORM */
442 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
443 USTORM_ASSERT_LIST_INDEX_OFFSET);
444 if (last_idx)
445 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
446
447 /* print the asserts */
448 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
449
450 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
451 USTORM_ASSERT_LIST_OFFSET(i));
452 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
453 USTORM_ASSERT_LIST_OFFSET(i) + 4);
454 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
455 USTORM_ASSERT_LIST_OFFSET(i) + 8);
456 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
457 USTORM_ASSERT_LIST_OFFSET(i) + 12);
458
459 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
460 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
461 " 0x%08x 0x%08x 0x%08x\n",
462 i, row3, row2, row1, row0);
463 rc++;
464 } else {
465 break;
466 }
467 }
468
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200469 return rc;
470}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800471
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200472static void bnx2x_fw_dump(struct bnx2x *bp)
473{
474 u32 mark, offset;
475 u32 data[9];
476 int word;
477
478 mark = REG_RD(bp, MCP_REG_MCPR_SCRATCH + 0xf104);
Eliezer Tamir49d66772008-02-28 11:53:13 -0800479 mark = ((mark + 0x3) & ~0x3);
480 printk(KERN_ERR PFX "begin fw dump (mark 0x%x)\n" KERN_ERR, mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200481
482 for (offset = mark - 0x08000000; offset <= 0xF900; offset += 0x8*4) {
483 for (word = 0; word < 8; word++)
484 data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
485 offset + 4*word));
486 data[8] = 0x0;
Eliezer Tamir49d66772008-02-28 11:53:13 -0800487 printk(KERN_CONT "%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200488 }
489 for (offset = 0xF108; offset <= mark - 0x08000000; offset += 0x8*4) {
490 for (word = 0; word < 8; word++)
491 data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
492 offset + 4*word));
493 data[8] = 0x0;
Eliezer Tamir49d66772008-02-28 11:53:13 -0800494 printk(KERN_CONT "%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200495 }
496 printk("\n" KERN_ERR PFX "end of fw dump\n");
497}
498
499static void bnx2x_panic_dump(struct bnx2x *bp)
500{
501 int i;
502 u16 j, start, end;
503
504 BNX2X_ERR("begin crash dump -----------------\n");
505
506 for_each_queue(bp, i) {
507 struct bnx2x_fastpath *fp = &bp->fp[i];
508 struct eth_tx_db_data *hw_prods = fp->hw_tx_prods;
509
510 BNX2X_ERR("queue[%d]: tx_pkt_prod(%x) tx_pkt_cons(%x)"
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700511 " tx_bd_prod(%x) tx_bd_cons(%x) *tx_cons_sb(%x)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200512 i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700513 fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
514 BNX2X_ERR(" rx_comp_prod(%x) rx_comp_cons(%x)"
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700515 " *rx_cons_sb(%x) *rx_bd_cons_sb(%x)"
516 " rx_sge_prod(%x) last_max_sge(%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700517 fp->rx_comp_prod, fp->rx_comp_cons,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700518 le16_to_cpu(*fp->rx_cons_sb),
519 le16_to_cpu(*fp->rx_bd_cons_sb),
520 fp->rx_sge_prod, fp->last_max_sge);
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700521 BNX2X_ERR(" fp_c_idx(%x) fp_u_idx(%x)"
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700522 " bd data(%x,%x) rx_alloc_failed(%lx)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700523 fp->fp_c_idx, fp->fp_u_idx, hw_prods->packets_prod,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700524 hw_prods->bds_prod, fp->rx_alloc_failed);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200525
526 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
527 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
528 for (j = start; j < end; j++) {
529 struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
530
531 BNX2X_ERR("packet[%x]=[%p,%x]\n", j,
532 sw_bd->skb, sw_bd->first_bd);
533 }
534
535 start = TX_BD(fp->tx_bd_cons - 10);
536 end = TX_BD(fp->tx_bd_cons + 254);
537 for (j = start; j < end; j++) {
538 u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
539
540 BNX2X_ERR("tx_bd[%x]=[%x:%x:%x:%x]\n",
541 j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
542 }
543
544 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
545 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
546 for (j = start; j < end; j++) {
547 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
548 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
549
550 BNX2X_ERR("rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700551 j, rx_bd[1], rx_bd[0], sw_bd->skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200552 }
553
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700554 start = 0;
555 end = RX_SGE_CNT*NUM_RX_SGE_PAGES;
556 for (j = start; j < end; j++) {
557 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
558 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
559
560 BNX2X_ERR("rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
561 j, rx_sge[1], rx_sge[0], sw_page->page);
562 }
563
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200564 start = RCQ_BD(fp->rx_comp_cons - 10);
565 end = RCQ_BD(fp->rx_comp_cons + 503);
566 for (j = start; j < end; j++) {
567 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
568
569 BNX2X_ERR("cqe[%x]=[%x:%x:%x:%x]\n",
570 j, cqe[0], cqe[1], cqe[2], cqe[3]);
571 }
572 }
573
Eliezer Tamir49d66772008-02-28 11:53:13 -0800574 BNX2X_ERR("def_c_idx(%u) def_u_idx(%u) def_x_idx(%u)"
575 " def_t_idx(%u) def_att_idx(%u) attn_state(%u)"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200576 " spq_prod_idx(%u)\n",
Eliezer Tamir49d66772008-02-28 11:53:13 -0800577 bp->def_c_idx, bp->def_u_idx, bp->def_x_idx, bp->def_t_idx,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200578 bp->def_att_idx, bp->attn_state, bp->spq_prod_idx);
579
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700580 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200581 bnx2x_mc_assert(bp);
582 BNX2X_ERR("end crash dump -----------------\n");
583
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -0700584 bp->stats_state = STATS_STATE_DISABLED;
585 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200586}
587
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800588static void bnx2x_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200589{
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700590 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200591 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
592 u32 val = REG_RD(bp, addr);
593 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
594
595 if (msix) {
596 val &= ~HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
597 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
598 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
599 } else {
600 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800601 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200602 HC_CONFIG_0_REG_INT_LINE_EN_0 |
603 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800604
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800605 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n",
606 val, port, addr, msix);
607
608 REG_WR(bp, addr, val);
609
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200610 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
611 }
612
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800613 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200614 val, port, addr, msix);
615
616 REG_WR(bp, addr, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700617
618 if (CHIP_IS_E1H(bp)) {
619 /* init leading/trailing edge */
620 if (IS_E1HMF(bp)) {
621 val = (0xfe0f | (1 << (BP_E1HVN(bp) + 4)));
622 if (bp->port.pmf)
623 /* enable nig attention */
624 val |= 0x0100;
625 } else
626 val = 0xffff;
627
628 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
629 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
630 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200631}
632
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800633static void bnx2x_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200634{
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700635 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200636 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
637 u32 val = REG_RD(bp, addr);
638
639 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
640 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
641 HC_CONFIG_0_REG_INT_LINE_EN_0 |
642 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
643
644 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
645 val, port, addr);
646
647 REG_WR(bp, addr, val);
648 if (REG_RD(bp, addr) != val)
649 BNX2X_ERR("BUG! proper val not read from IGU!\n");
650}
651
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800652static void bnx2x_int_disable_sync(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200653{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200654 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
655 int i;
656
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700657 /* disable interrupt handling */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200658 atomic_inc(&bp->intr_sem);
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800659 /* prevent the HW from sending interrupts */
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800660 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200661
662 /* make sure all ISRs are done */
663 if (msix) {
664 for_each_queue(bp, i)
665 synchronize_irq(bp->msix_table[i].vector);
666
667 /* one more for the Slow Path IRQ */
668 synchronize_irq(bp->msix_table[i].vector);
669 } else
670 synchronize_irq(bp->pdev->irq);
671
672 /* make sure sp_task is not running */
673 cancel_work_sync(&bp->sp_task);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200674}
675
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700676/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200677
678/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700679 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200680 */
681
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700682static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 sb_id,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200683 u8 storm, u16 index, u8 op, u8 update)
684{
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700685 u32 igu_addr = (IGU_ADDR_INT_ACK + IGU_FUNC_BASE * BP_FUNC(bp)) * 8;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200686 struct igu_ack_register igu_ack;
687
688 igu_ack.status_block_index = index;
689 igu_ack.sb_id_and_flags =
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700690 ((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200691 (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) |
692 (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) |
693 (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT));
694
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700695 DP(BNX2X_MSG_OFF, "write 0x%08x to IGU addr 0x%x\n",
696 (*(u32 *)&igu_ack), BAR_IGU_INTMEM + igu_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200697 REG_WR(bp, BAR_IGU_INTMEM + igu_addr, (*(u32 *)&igu_ack));
698}
699
700static inline u16 bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp)
701{
702 struct host_status_block *fpsb = fp->status_blk;
703 u16 rc = 0;
704
705 barrier(); /* status block is written to by the chip */
706 if (fp->fp_c_idx != fpsb->c_status_block.status_block_index) {
707 fp->fp_c_idx = fpsb->c_status_block.status_block_index;
708 rc |= 1;
709 }
710 if (fp->fp_u_idx != fpsb->u_status_block.status_block_index) {
711 fp->fp_u_idx = fpsb->u_status_block.status_block_index;
712 rc |= 2;
713 }
714 return rc;
715}
716
717static inline int bnx2x_has_work(struct bnx2x_fastpath *fp)
718{
719 u16 rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb);
720
721 if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
722 rx_cons_sb++;
723
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700724 if ((fp->rx_comp_cons != rx_cons_sb) ||
725 (fp->tx_pkt_prod != le16_to_cpu(*fp->tx_cons_sb)) ||
726 (fp->tx_pkt_prod != fp->tx_pkt_cons))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200727 return 1;
728
729 return 0;
730}
731
732static u16 bnx2x_ack_int(struct bnx2x *bp)
733{
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700734 u32 igu_addr = (IGU_ADDR_SIMD_MASK + IGU_FUNC_BASE * BP_FUNC(bp)) * 8;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200735 u32 result = REG_RD(bp, BAR_IGU_INTMEM + igu_addr);
736
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700737 DP(BNX2X_MSG_OFF, "read 0x%08x from IGU addr 0x%x\n",
738 result, BAR_IGU_INTMEM + igu_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200739
740#ifdef IGU_DEBUG
741#warning IGU_DEBUG active
742 if (result == 0) {
743 BNX2X_ERR("read %x from IGU\n", result);
744 REG_WR(bp, TM_REG_TIMER_SOFT_RST, 0);
745 }
746#endif
747 return result;
748}
749
750
751/*
752 * fast path service functions
753 */
754
755/* free skb in the packet ring at pos idx
756 * return idx of last bd freed
757 */
758static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp,
759 u16 idx)
760{
761 struct sw_tx_bd *tx_buf = &fp->tx_buf_ring[idx];
762 struct eth_tx_bd *tx_bd;
763 struct sk_buff *skb = tx_buf->skb;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700764 u16 bd_idx = TX_BD(tx_buf->first_bd), new_cons;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200765 int nbd;
766
767 DP(BNX2X_MSG_OFF, "pkt_idx %d buff @(%p)->skb %p\n",
768 idx, tx_buf, skb);
769
770 /* unmap first bd */
771 DP(BNX2X_MSG_OFF, "free bd_idx %d\n", bd_idx);
772 tx_bd = &fp->tx_desc_ring[bd_idx];
773 pci_unmap_single(bp->pdev, BD_UNMAP_ADDR(tx_bd),
774 BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
775
776 nbd = le16_to_cpu(tx_bd->nbd) - 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700777 new_cons = nbd + tx_buf->first_bd;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200778#ifdef BNX2X_STOP_ON_ERROR
779 if (nbd > (MAX_SKB_FRAGS + 2)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700780 BNX2X_ERR("BAD nbd!\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200781 bnx2x_panic();
782 }
783#endif
784
785 /* Skip a parse bd and the TSO split header bd
786 since they have no mapping */
787 if (nbd)
788 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
789
790 if (tx_bd->bd_flags.as_bitfield & (ETH_TX_BD_FLAGS_IP_CSUM |
791 ETH_TX_BD_FLAGS_TCP_CSUM |
792 ETH_TX_BD_FLAGS_SW_LSO)) {
793 if (--nbd)
794 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
795 tx_bd = &fp->tx_desc_ring[bd_idx];
796 /* is this a TSO split header bd? */
797 if (tx_bd->bd_flags.as_bitfield & ETH_TX_BD_FLAGS_SW_LSO) {
798 if (--nbd)
799 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
800 }
801 }
802
803 /* now free frags */
804 while (nbd > 0) {
805
806 DP(BNX2X_MSG_OFF, "free frag bd_idx %d\n", bd_idx);
807 tx_bd = &fp->tx_desc_ring[bd_idx];
808 pci_unmap_page(bp->pdev, BD_UNMAP_ADDR(tx_bd),
809 BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
810 if (--nbd)
811 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
812 }
813
814 /* release skb */
Ilpo Järvinen53e5e962008-07-25 21:40:45 -0700815 WARN_ON(!skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200816 dev_kfree_skb(skb);
817 tx_buf->first_bd = 0;
818 tx_buf->skb = NULL;
819
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700820 return new_cons;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200821}
822
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700823static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200824{
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700825 s16 used;
826 u16 prod;
827 u16 cons;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200828
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700829 barrier(); /* Tell compiler that prod and cons can change */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200830 prod = fp->tx_bd_prod;
831 cons = fp->tx_bd_cons;
832
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700833 /* NUM_TX_RINGS = number of "next-page" entries
834 It will be used as a threshold */
835 used = SUB_S16(prod, cons) + (s16)NUM_TX_RINGS;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200836
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700837#ifdef BNX2X_STOP_ON_ERROR
Ilpo Järvinen53e5e962008-07-25 21:40:45 -0700838 WARN_ON(used < 0);
839 WARN_ON(used > fp->bp->tx_ring_size);
840 WARN_ON((fp->bp->tx_ring_size - used) > MAX_TX_AVAIL);
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700841#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200842
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700843 return (s16)(fp->bp->tx_ring_size) - used;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200844}
845
846static void bnx2x_tx_int(struct bnx2x_fastpath *fp, int work)
847{
848 struct bnx2x *bp = fp->bp;
849 u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons;
850 int done = 0;
851
852#ifdef BNX2X_STOP_ON_ERROR
853 if (unlikely(bp->panic))
854 return;
855#endif
856
857 hw_cons = le16_to_cpu(*fp->tx_cons_sb);
858 sw_cons = fp->tx_pkt_cons;
859
860 while (sw_cons != hw_cons) {
861 u16 pkt_cons;
862
863 pkt_cons = TX_BD(sw_cons);
864
865 /* prefetch(bp->tx_buf_ring[pkt_cons].skb); */
866
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700867 DP(NETIF_MSG_TX_DONE, "hw_cons %u sw_cons %u pkt_cons %u\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200868 hw_cons, sw_cons, pkt_cons);
869
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700870/* if (NEXT_TX_IDX(sw_cons) != hw_cons) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200871 rmb();
872 prefetch(fp->tx_buf_ring[NEXT_TX_IDX(sw_cons)].skb);
873 }
874*/
875 bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons);
876 sw_cons++;
877 done++;
878
879 if (done == work)
880 break;
881 }
882
883 fp->tx_pkt_cons = sw_cons;
884 fp->tx_bd_cons = bd_cons;
885
886 /* Need to make the tx_cons update visible to start_xmit()
887 * before checking for netif_queue_stopped(). Without the
888 * memory barrier, there is a small possibility that start_xmit()
889 * will miss it and cause the queue to be stopped forever.
890 */
891 smp_mb();
892
893 /* TBD need a thresh? */
894 if (unlikely(netif_queue_stopped(bp->dev))) {
895
896 netif_tx_lock(bp->dev);
897
898 if (netif_queue_stopped(bp->dev) &&
899 (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3))
900 netif_wake_queue(bp->dev);
901
902 netif_tx_unlock(bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200903 }
904}
905
906static void bnx2x_sp_event(struct bnx2x_fastpath *fp,
907 union eth_rx_cqe *rr_cqe)
908{
909 struct bnx2x *bp = fp->bp;
910 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
911 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
912
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700913 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200914 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700915 FP_IDX(fp), cid, command, bp->state,
916 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200917
918 bp->spq_left++;
919
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700920 if (FP_IDX(fp)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200921 switch (command | fp->state) {
922 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP |
923 BNX2X_FP_STATE_OPENING):
924 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n",
925 cid);
926 fp->state = BNX2X_FP_STATE_OPEN;
927 break;
928
929 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
930 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n",
931 cid);
932 fp->state = BNX2X_FP_STATE_HALTED;
933 break;
934
935 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700936 BNX2X_ERR("unexpected MC reply (%d) "
937 "fp->state is %x\n", command, fp->state);
938 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200939 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700940 mb(); /* force bnx2x_wait_ramrod() to see the change */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200941 return;
942 }
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800943
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200944 switch (command | bp->state) {
945 case (RAMROD_CMD_ID_ETH_PORT_SETUP | BNX2X_STATE_OPENING_WAIT4_PORT):
946 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
947 bp->state = BNX2X_STATE_OPEN;
948 break;
949
950 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_STATE_CLOSING_WAIT4_HALT):
951 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
952 bp->state = BNX2X_STATE_CLOSING_WAIT4_DELETE;
953 fp->state = BNX2X_FP_STATE_HALTED;
954 break;
955
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200956 case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_CLOSING_WAIT4_HALT):
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700957 DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", cid);
Eliezer Tamir49d66772008-02-28 11:53:13 -0800958 bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200959 break;
960
961 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN):
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700962 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DIAG):
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200963 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -0700964 bp->set_mac_pending = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200965 break;
966
Eliezer Tamir49d66772008-02-28 11:53:13 -0800967 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT):
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700968 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
Eliezer Tamir49d66772008-02-28 11:53:13 -0800969 break;
970
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200971 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700972 BNX2X_ERR("unexpected MC reply (%d) bp->state is %x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200973 command, bp->state);
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700974 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200975 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700976 mb(); /* force bnx2x_wait_ramrod() to see the change */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200977}
978
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700979static inline void bnx2x_free_rx_sge(struct bnx2x *bp,
980 struct bnx2x_fastpath *fp, u16 index)
981{
982 struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
983 struct page *page = sw_buf->page;
984 struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
985
986 /* Skip "next page" elements */
987 if (!page)
988 return;
989
990 pci_unmap_page(bp->pdev, pci_unmap_addr(sw_buf, mapping),
991 BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
992 __free_pages(page, PAGES_PER_SGE_SHIFT);
993
994 sw_buf->page = NULL;
995 sge->addr_hi = 0;
996 sge->addr_lo = 0;
997}
998
999static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
1000 struct bnx2x_fastpath *fp, int last)
1001{
1002 int i;
1003
1004 for (i = 0; i < last; i++)
1005 bnx2x_free_rx_sge(bp, fp, i);
1006}
1007
1008static inline int bnx2x_alloc_rx_sge(struct bnx2x *bp,
1009 struct bnx2x_fastpath *fp, u16 index)
1010{
1011 struct page *page = alloc_pages(GFP_ATOMIC, PAGES_PER_SGE_SHIFT);
1012 struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
1013 struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
1014 dma_addr_t mapping;
1015
1016 if (unlikely(page == NULL))
1017 return -ENOMEM;
1018
1019 mapping = pci_map_page(bp->pdev, page, 0, BCM_PAGE_SIZE*PAGES_PER_SGE,
1020 PCI_DMA_FROMDEVICE);
FUJITA Tomonori8d8bb392008-07-25 19:44:49 -07001021 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001022 __free_pages(page, PAGES_PER_SGE_SHIFT);
1023 return -ENOMEM;
1024 }
1025
1026 sw_buf->page = page;
1027 pci_unmap_addr_set(sw_buf, mapping, mapping);
1028
1029 sge->addr_hi = cpu_to_le32(U64_HI(mapping));
1030 sge->addr_lo = cpu_to_le32(U64_LO(mapping));
1031
1032 return 0;
1033}
1034
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001035static inline int bnx2x_alloc_rx_skb(struct bnx2x *bp,
1036 struct bnx2x_fastpath *fp, u16 index)
1037{
1038 struct sk_buff *skb;
1039 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index];
1040 struct eth_rx_bd *rx_bd = &fp->rx_desc_ring[index];
1041 dma_addr_t mapping;
1042
1043 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1044 if (unlikely(skb == NULL))
1045 return -ENOMEM;
1046
1047 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
1048 PCI_DMA_FROMDEVICE);
FUJITA Tomonori8d8bb392008-07-25 19:44:49 -07001049 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001050 dev_kfree_skb(skb);
1051 return -ENOMEM;
1052 }
1053
1054 rx_buf->skb = skb;
1055 pci_unmap_addr_set(rx_buf, mapping, mapping);
1056
1057 rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1058 rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1059
1060 return 0;
1061}
1062
1063/* note that we are not allocating a new skb,
1064 * we are just moving one from cons to prod
1065 * we are not creating a new mapping,
1066 * so there is no need to check for dma_mapping_error().
1067 */
1068static void bnx2x_reuse_rx_skb(struct bnx2x_fastpath *fp,
1069 struct sk_buff *skb, u16 cons, u16 prod)
1070{
1071 struct bnx2x *bp = fp->bp;
1072 struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1073 struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1074 struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons];
1075 struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1076
1077 pci_dma_sync_single_for_device(bp->pdev,
1078 pci_unmap_addr(cons_rx_buf, mapping),
1079 bp->rx_offset + RX_COPY_THRESH,
1080 PCI_DMA_FROMDEVICE);
1081
1082 prod_rx_buf->skb = cons_rx_buf->skb;
1083 pci_unmap_addr_set(prod_rx_buf, mapping,
1084 pci_unmap_addr(cons_rx_buf, mapping));
1085 *prod_bd = *cons_bd;
1086}
1087
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001088static inline void bnx2x_update_last_max_sge(struct bnx2x_fastpath *fp,
1089 u16 idx)
1090{
1091 u16 last_max = fp->last_max_sge;
1092
1093 if (SUB_S16(idx, last_max) > 0)
1094 fp->last_max_sge = idx;
1095}
1096
1097static void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp)
1098{
1099 int i, j;
1100
1101 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
1102 int idx = RX_SGE_CNT * i - 1;
1103
1104 for (j = 0; j < 2; j++) {
1105 SGE_MASK_CLEAR_BIT(fp, idx);
1106 idx--;
1107 }
1108 }
1109}
1110
1111static void bnx2x_update_sge_prod(struct bnx2x_fastpath *fp,
1112 struct eth_fast_path_rx_cqe *fp_cqe)
1113{
1114 struct bnx2x *bp = fp->bp;
1115 u16 sge_len = BCM_PAGE_ALIGN(le16_to_cpu(fp_cqe->pkt_len) -
1116 le16_to_cpu(fp_cqe->len_on_bd)) >>
1117 BCM_PAGE_SHIFT;
1118 u16 last_max, last_elem, first_elem;
1119 u16 delta = 0;
1120 u16 i;
1121
1122 if (!sge_len)
1123 return;
1124
1125 /* First mark all used pages */
1126 for (i = 0; i < sge_len; i++)
1127 SGE_MASK_CLEAR_BIT(fp, RX_SGE(le16_to_cpu(fp_cqe->sgl[i])));
1128
1129 DP(NETIF_MSG_RX_STATUS, "fp_cqe->sgl[%d] = %d\n",
1130 sge_len - 1, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1131
1132 /* Here we assume that the last SGE index is the biggest */
1133 prefetch((void *)(fp->sge_mask));
1134 bnx2x_update_last_max_sge(fp, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1135
1136 last_max = RX_SGE(fp->last_max_sge);
1137 last_elem = last_max >> RX_SGE_MASK_ELEM_SHIFT;
1138 first_elem = RX_SGE(fp->rx_sge_prod) >> RX_SGE_MASK_ELEM_SHIFT;
1139
1140 /* If ring is not full */
1141 if (last_elem + 1 != first_elem)
1142 last_elem++;
1143
1144 /* Now update the prod */
1145 for (i = first_elem; i != last_elem; i = NEXT_SGE_MASK_ELEM(i)) {
1146 if (likely(fp->sge_mask[i]))
1147 break;
1148
1149 fp->sge_mask[i] = RX_SGE_MASK_ELEM_ONE_MASK;
1150 delta += RX_SGE_MASK_ELEM_SZ;
1151 }
1152
1153 if (delta > 0) {
1154 fp->rx_sge_prod += delta;
1155 /* clear page-end entries */
1156 bnx2x_clear_sge_mask_next_elems(fp);
1157 }
1158
1159 DP(NETIF_MSG_RX_STATUS,
1160 "fp->last_max_sge = %d fp->rx_sge_prod = %d\n",
1161 fp->last_max_sge, fp->rx_sge_prod);
1162}
1163
1164static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp)
1165{
1166 /* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */
1167 memset(fp->sge_mask, 0xff,
1168 (NUM_RX_SGE >> RX_SGE_MASK_ELEM_SHIFT)*sizeof(u64));
1169
1170 /* Clear the two last indeces in the page to 1:
1171 these are the indeces that correspond to the "next" element,
1172 hence will never be indicated and should be removed from
1173 the calculations. */
1174 bnx2x_clear_sge_mask_next_elems(fp);
1175}
1176
1177static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue,
1178 struct sk_buff *skb, u16 cons, u16 prod)
1179{
1180 struct bnx2x *bp = fp->bp;
1181 struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1182 struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1183 struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1184 dma_addr_t mapping;
1185
1186 /* move empty skb from pool to prod and map it */
1187 prod_rx_buf->skb = fp->tpa_pool[queue].skb;
1188 mapping = pci_map_single(bp->pdev, fp->tpa_pool[queue].skb->data,
1189 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
1190 pci_unmap_addr_set(prod_rx_buf, mapping, mapping);
1191
1192 /* move partial skb from cons to pool (don't unmap yet) */
1193 fp->tpa_pool[queue] = *cons_rx_buf;
1194
1195 /* mark bin state as start - print error if current state != stop */
1196 if (fp->tpa_state[queue] != BNX2X_TPA_STOP)
1197 BNX2X_ERR("start of bin not in stop [%d]\n", queue);
1198
1199 fp->tpa_state[queue] = BNX2X_TPA_START;
1200
1201 /* point prod_bd to new skb */
1202 prod_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1203 prod_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1204
1205#ifdef BNX2X_STOP_ON_ERROR
1206 fp->tpa_queue_used |= (1 << queue);
1207#ifdef __powerpc64__
1208 DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%lx\n",
1209#else
1210 DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%llx\n",
1211#endif
1212 fp->tpa_queue_used);
1213#endif
1214}
1215
1216static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1217 struct sk_buff *skb,
1218 struct eth_fast_path_rx_cqe *fp_cqe,
1219 u16 cqe_idx)
1220{
1221 struct sw_rx_page *rx_pg, old_rx_pg;
1222 struct page *sge;
1223 u16 len_on_bd = le16_to_cpu(fp_cqe->len_on_bd);
1224 u32 i, frag_len, frag_size, pages;
1225 int err;
1226 int j;
1227
1228 frag_size = le16_to_cpu(fp_cqe->pkt_len) - len_on_bd;
1229 pages = BCM_PAGE_ALIGN(frag_size) >> BCM_PAGE_SHIFT;
1230
1231 /* This is needed in order to enable forwarding support */
1232 if (frag_size)
1233 skb_shinfo(skb)->gso_size = min((u32)BCM_PAGE_SIZE,
1234 max(frag_size, (u32)len_on_bd));
1235
1236#ifdef BNX2X_STOP_ON_ERROR
1237 if (pages > 8*PAGES_PER_SGE) {
1238 BNX2X_ERR("SGL length is too long: %d. CQE index is %d\n",
1239 pages, cqe_idx);
1240 BNX2X_ERR("fp_cqe->pkt_len = %d fp_cqe->len_on_bd = %d\n",
1241 fp_cqe->pkt_len, len_on_bd);
1242 bnx2x_panic();
1243 return -EINVAL;
1244 }
1245#endif
1246
1247 /* Run through the SGL and compose the fragmented skb */
1248 for (i = 0, j = 0; i < pages; i += PAGES_PER_SGE, j++) {
1249 u16 sge_idx = RX_SGE(le16_to_cpu(fp_cqe->sgl[j]));
1250
1251 /* FW gives the indices of the SGE as if the ring is an array
1252 (meaning that "next" element will consume 2 indices) */
1253 frag_len = min(frag_size, (u32)(BCM_PAGE_SIZE*PAGES_PER_SGE));
1254 rx_pg = &fp->rx_page_ring[sge_idx];
1255 sge = rx_pg->page;
1256 old_rx_pg = *rx_pg;
1257
1258 /* If we fail to allocate a substitute page, we simply stop
1259 where we are and drop the whole packet */
1260 err = bnx2x_alloc_rx_sge(bp, fp, sge_idx);
1261 if (unlikely(err)) {
1262 fp->rx_alloc_failed++;
1263 return err;
1264 }
1265
1266 /* Unmap the page as we r going to pass it to the stack */
1267 pci_unmap_page(bp->pdev, pci_unmap_addr(&old_rx_pg, mapping),
1268 BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
1269
1270 /* Add one frag and update the appropriate fields in the skb */
1271 skb_fill_page_desc(skb, j, old_rx_pg.page, 0, frag_len);
1272
1273 skb->data_len += frag_len;
1274 skb->truesize += frag_len;
1275 skb->len += frag_len;
1276
1277 frag_size -= frag_len;
1278 }
1279
1280 return 0;
1281}
1282
1283static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1284 u16 queue, int pad, int len, union eth_rx_cqe *cqe,
1285 u16 cqe_idx)
1286{
1287 struct sw_rx_bd *rx_buf = &fp->tpa_pool[queue];
1288 struct sk_buff *skb = rx_buf->skb;
1289 /* alloc new skb */
1290 struct sk_buff *new_skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1291
1292 /* Unmap skb in the pool anyway, as we are going to change
1293 pool entry status to BNX2X_TPA_STOP even if new skb allocation
1294 fails. */
1295 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
1296 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
1297
1298 /* if alloc failed drop the packet and keep the buffer in the bin */
1299 if (likely(new_skb)) {
1300
1301 prefetch(skb);
1302 prefetch(((char *)(skb)) + 128);
1303
1304 /* else fix ip xsum and give it to the stack */
1305 /* (no need to map the new skb) */
1306#ifdef BNX2X_STOP_ON_ERROR
1307 if (pad + len > bp->rx_buf_size) {
1308 BNX2X_ERR("skb_put is about to fail... "
1309 "pad %d len %d rx_buf_size %d\n",
1310 pad, len, bp->rx_buf_size);
1311 bnx2x_panic();
1312 return;
1313 }
1314#endif
1315
1316 skb_reserve(skb, pad);
1317 skb_put(skb, len);
1318
1319 skb->protocol = eth_type_trans(skb, bp->dev);
1320 skb->ip_summed = CHECKSUM_UNNECESSARY;
1321
1322 {
1323 struct iphdr *iph;
1324
1325 iph = (struct iphdr *)skb->data;
1326 iph->check = 0;
1327 iph->check = ip_fast_csum((u8 *)iph, iph->ihl);
1328 }
1329
1330 if (!bnx2x_fill_frag_skb(bp, fp, skb,
1331 &cqe->fast_path_cqe, cqe_idx)) {
1332#ifdef BCM_VLAN
1333 if ((bp->vlgrp != NULL) &&
1334 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1335 PARSING_FLAGS_VLAN))
1336 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1337 le16_to_cpu(cqe->fast_path_cqe.
1338 vlan_tag));
1339 else
1340#endif
1341 netif_receive_skb(skb);
1342 } else {
1343 DP(NETIF_MSG_RX_STATUS, "Failed to allocate new pages"
1344 " - dropping packet!\n");
1345 dev_kfree_skb(skb);
1346 }
1347
1348 bp->dev->last_rx = jiffies;
1349
1350 /* put new skb in bin */
1351 fp->tpa_pool[queue].skb = new_skb;
1352
1353 } else {
1354 DP(NETIF_MSG_RX_STATUS,
1355 "Failed to allocate new skb - dropping packet!\n");
1356 fp->rx_alloc_failed++;
1357 }
1358
1359 fp->tpa_state[queue] = BNX2X_TPA_STOP;
1360}
1361
1362static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
1363 struct bnx2x_fastpath *fp,
1364 u16 bd_prod, u16 rx_comp_prod,
1365 u16 rx_sge_prod)
1366{
1367 struct tstorm_eth_rx_producers rx_prods = {0};
1368 int i;
1369
1370 /* Update producers */
1371 rx_prods.bd_prod = bd_prod;
1372 rx_prods.cqe_prod = rx_comp_prod;
1373 rx_prods.sge_prod = rx_sge_prod;
1374
1375 for (i = 0; i < sizeof(struct tstorm_eth_rx_producers)/4; i++)
1376 REG_WR(bp, BAR_TSTRORM_INTMEM +
1377 TSTORM_RX_PRODS_OFFSET(BP_PORT(bp), FP_CL_ID(fp)) + i*4,
1378 ((u32 *)&rx_prods)[i]);
1379
1380 DP(NETIF_MSG_RX_STATUS,
1381 "Wrote: bd_prod %u cqe_prod %u sge_prod %u\n",
1382 bd_prod, rx_comp_prod, rx_sge_prod);
1383}
1384
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001385static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
1386{
1387 struct bnx2x *bp = fp->bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001388 u16 bd_cons, bd_prod, bd_prod_fw, comp_ring_cons;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001389 u16 hw_comp_cons, sw_comp_cons, sw_comp_prod;
1390 int rx_pkt = 0;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001391 u16 queue;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001392
1393#ifdef BNX2X_STOP_ON_ERROR
1394 if (unlikely(bp->panic))
1395 return 0;
1396#endif
1397
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001398 /* CQ "next element" is of the size of the regular element,
1399 that's why it's ok here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001400 hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb);
1401 if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
1402 hw_comp_cons++;
1403
1404 bd_cons = fp->rx_bd_cons;
1405 bd_prod = fp->rx_bd_prod;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001406 bd_prod_fw = bd_prod;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001407 sw_comp_cons = fp->rx_comp_cons;
1408 sw_comp_prod = fp->rx_comp_prod;
1409
1410 /* Memory barrier necessary as speculative reads of the rx
1411 * buffer can be ahead of the index in the status block
1412 */
1413 rmb();
1414
1415 DP(NETIF_MSG_RX_STATUS,
1416 "queue[%d]: hw_comp_cons %u sw_comp_cons %u\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001417 FP_IDX(fp), hw_comp_cons, sw_comp_cons);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001418
1419 while (sw_comp_cons != hw_comp_cons) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001420 struct sw_rx_bd *rx_buf = NULL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001421 struct sk_buff *skb;
1422 union eth_rx_cqe *cqe;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001423 u8 cqe_fp_flags;
1424 u16 len, pad;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001425
1426 comp_ring_cons = RCQ_BD(sw_comp_cons);
1427 bd_prod = RX_BD(bd_prod);
1428 bd_cons = RX_BD(bd_cons);
1429
1430 cqe = &fp->rx_comp_ring[comp_ring_cons];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001431 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001432
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001433 DP(NETIF_MSG_RX_STATUS, "CQE type %x err %x status %x"
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001434 " queue %x vlan %x len %u\n", CQE_TYPE(cqe_fp_flags),
1435 cqe_fp_flags, cqe->fast_path_cqe.status_flags,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001436 cqe->fast_path_cqe.rss_hash_result,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001437 le16_to_cpu(cqe->fast_path_cqe.vlan_tag),
1438 le16_to_cpu(cqe->fast_path_cqe.pkt_len));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001439
1440 /* is this a slowpath msg? */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001441 if (unlikely(CQE_TYPE(cqe_fp_flags))) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001442 bnx2x_sp_event(fp, cqe);
1443 goto next_cqe;
1444
1445 /* this is an rx packet */
1446 } else {
1447 rx_buf = &fp->rx_buf_ring[bd_cons];
1448 skb = rx_buf->skb;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001449 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
1450 pad = cqe->fast_path_cqe.placement_offset;
1451
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001452 /* If CQE is marked both TPA_START and TPA_END
1453 it is a non-TPA CQE */
1454 if ((!fp->disable_tpa) &&
1455 (TPA_TYPE(cqe_fp_flags) !=
1456 (TPA_TYPE_START | TPA_TYPE_END))) {
1457 queue = cqe->fast_path_cqe.queue_index;
1458
1459 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_START) {
1460 DP(NETIF_MSG_RX_STATUS,
1461 "calling tpa_start on queue %d\n",
1462 queue);
1463
1464 bnx2x_tpa_start(fp, queue, skb,
1465 bd_cons, bd_prod);
1466 goto next_rx;
1467 }
1468
1469 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_END) {
1470 DP(NETIF_MSG_RX_STATUS,
1471 "calling tpa_stop on queue %d\n",
1472 queue);
1473
1474 if (!BNX2X_RX_SUM_FIX(cqe))
1475 BNX2X_ERR("STOP on none TCP "
1476 "data\n");
1477
1478 /* This is a size of the linear data
1479 on this skb */
1480 len = le16_to_cpu(cqe->fast_path_cqe.
1481 len_on_bd);
1482 bnx2x_tpa_stop(bp, fp, queue, pad,
1483 len, cqe, comp_ring_cons);
1484#ifdef BNX2X_STOP_ON_ERROR
1485 if (bp->panic)
1486 return -EINVAL;
1487#endif
1488
1489 bnx2x_update_sge_prod(fp,
1490 &cqe->fast_path_cqe);
1491 goto next_cqe;
1492 }
1493 }
1494
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001495 pci_dma_sync_single_for_device(bp->pdev,
1496 pci_unmap_addr(rx_buf, mapping),
1497 pad + RX_COPY_THRESH,
1498 PCI_DMA_FROMDEVICE);
1499 prefetch(skb);
1500 prefetch(((char *)(skb)) + 128);
1501
1502 /* is this an error packet? */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001503 if (unlikely(cqe_fp_flags & ETH_RX_ERROR_FALGS)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001504 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001505 "ERROR flags %x rx packet %u\n",
1506 cqe_fp_flags, sw_comp_cons);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001507 /* TBD make sure MC counts this as a drop */
1508 goto reuse_rx;
1509 }
1510
1511 /* Since we don't have a jumbo ring
1512 * copy small packets if mtu > 1500
1513 */
1514 if ((bp->dev->mtu > ETH_MAX_PACKET_SIZE) &&
1515 (len <= RX_COPY_THRESH)) {
1516 struct sk_buff *new_skb;
1517
1518 new_skb = netdev_alloc_skb(bp->dev,
1519 len + pad);
1520 if (new_skb == NULL) {
1521 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001522 "ERROR packet dropped "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001523 "because of alloc failure\n");
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001524 fp->rx_alloc_failed++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001525 goto reuse_rx;
1526 }
1527
1528 /* aligned copy */
1529 skb_copy_from_linear_data_offset(skb, pad,
1530 new_skb->data + pad, len);
1531 skb_reserve(new_skb, pad);
1532 skb_put(new_skb, len);
1533
1534 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1535
1536 skb = new_skb;
1537
1538 } else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) {
1539 pci_unmap_single(bp->pdev,
1540 pci_unmap_addr(rx_buf, mapping),
1541 bp->rx_buf_use_size,
1542 PCI_DMA_FROMDEVICE);
1543 skb_reserve(skb, pad);
1544 skb_put(skb, len);
1545
1546 } else {
1547 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001548 "ERROR packet dropped because "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001549 "of alloc failure\n");
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001550 fp->rx_alloc_failed++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001551reuse_rx:
1552 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1553 goto next_rx;
1554 }
1555
1556 skb->protocol = eth_type_trans(skb, bp->dev);
1557
1558 skb->ip_summed = CHECKSUM_NONE;
Eilon Greenstein1adcd8b2008-08-13 15:48:29 -07001559 if (bp->rx_csum)
1560 if (likely(BNX2X_RX_CSUM_OK(cqe)))
1561 skb->ip_summed = CHECKSUM_UNNECESSARY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001562
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001563 }
1564
1565#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001566 if ((bp->vlgrp != NULL) &&
1567 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1568 PARSING_FLAGS_VLAN))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001569 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1570 le16_to_cpu(cqe->fast_path_cqe.vlan_tag));
1571 else
1572#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001573 netif_receive_skb(skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001574
1575 bp->dev->last_rx = jiffies;
1576
1577next_rx:
1578 rx_buf->skb = NULL;
1579
1580 bd_cons = NEXT_RX_IDX(bd_cons);
1581 bd_prod = NEXT_RX_IDX(bd_prod);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001582 bd_prod_fw = NEXT_RX_IDX(bd_prod_fw);
1583 rx_pkt++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001584next_cqe:
1585 sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod);
1586 sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001587
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001588 if (rx_pkt == budget)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001589 break;
1590 } /* while */
1591
1592 fp->rx_bd_cons = bd_cons;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001593 fp->rx_bd_prod = bd_prod_fw;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001594 fp->rx_comp_cons = sw_comp_cons;
1595 fp->rx_comp_prod = sw_comp_prod;
1596
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001597 /* Update producers */
1598 bnx2x_update_rx_prod(bp, fp, bd_prod_fw, sw_comp_prod,
1599 fp->rx_sge_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001600 mmiowb(); /* keep prod updates ordered */
1601
1602 fp->rx_pkt += rx_pkt;
1603 fp->rx_calls++;
1604
1605 return rx_pkt;
1606}
1607
1608static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie)
1609{
1610 struct bnx2x_fastpath *fp = fp_cookie;
1611 struct bnx2x *bp = fp->bp;
1612 struct net_device *dev = bp->dev;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001613 int index = FP_IDX(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001614
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001615 DP(BNX2X_MSG_FP, "got an MSI-X interrupt on IDX:SB [%d:%d]\n",
1616 index, FP_SB_ID(fp));
1617 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID, 0, IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001618
1619#ifdef BNX2X_STOP_ON_ERROR
1620 if (unlikely(bp->panic))
1621 return IRQ_HANDLED;
1622#endif
1623
1624 prefetch(fp->rx_cons_sb);
1625 prefetch(fp->tx_cons_sb);
1626 prefetch(&fp->status_blk->c_status_block.status_block_index);
1627 prefetch(&fp->status_blk->u_status_block.status_block_index);
1628
1629 netif_rx_schedule(dev, &bnx2x_fp(bp, index, napi));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001630
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001631 return IRQ_HANDLED;
1632}
1633
1634static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
1635{
1636 struct net_device *dev = dev_instance;
1637 struct bnx2x *bp = netdev_priv(dev);
1638 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001639 u16 mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001640
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001641 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001642 if (unlikely(status == 0)) {
1643 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1644 return IRQ_NONE;
1645 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001646 DP(NETIF_MSG_INTR, "got an interrupt status %u\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001647
1648#ifdef BNX2X_STOP_ON_ERROR
1649 if (unlikely(bp->panic))
1650 return IRQ_HANDLED;
1651#endif
1652
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001653 /* Return here if interrupt is disabled */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001654 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1655 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1656 return IRQ_HANDLED;
1657 }
1658
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001659 mask = 0x2 << bp->fp[0].sb_id;
1660 if (status & mask) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001661 struct bnx2x_fastpath *fp = &bp->fp[0];
1662
1663 prefetch(fp->rx_cons_sb);
1664 prefetch(fp->tx_cons_sb);
1665 prefetch(&fp->status_blk->c_status_block.status_block_index);
1666 prefetch(&fp->status_blk->u_status_block.status_block_index);
1667
1668 netif_rx_schedule(dev, &bnx2x_fp(bp, 0, napi));
1669
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001670 status &= ~mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001671 }
1672
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001673
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001674 if (unlikely(status & 0x1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001675 schedule_work(&bp->sp_task);
1676
1677 status &= ~0x1;
1678 if (!status)
1679 return IRQ_HANDLED;
1680 }
1681
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001682 if (status)
1683 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status %u)\n",
1684 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001685
1686 return IRQ_HANDLED;
1687}
1688
1689/* end of fast path */
1690
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07001691static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001692
1693/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001694
1695/*
1696 * General service functions
1697 */
1698
Eliezer Tamirf1410642008-02-28 11:51:50 -08001699static int bnx2x_hw_lock(struct bnx2x *bp, u32 resource)
1700{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001701 u32 lock_status;
1702 u32 resource_bit = (1 << resource);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001703 u8 port = BP_PORT(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001704 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001705
1706 /* Validating that the resource is within range */
1707 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1708 DP(NETIF_MSG_HW,
1709 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1710 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1711 return -EINVAL;
1712 }
1713
1714 /* Validating that the resource is not already taken */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001715 lock_status = REG_RD(bp, MISC_REG_DRIVER_CONTROL_1 + port*8);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001716 if (lock_status & resource_bit) {
1717 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1718 lock_status, resource_bit);
1719 return -EEXIST;
1720 }
1721
1722 /* Try for 1 second every 5ms */
1723 for (cnt = 0; cnt < 200; cnt++) {
1724 /* Try to acquire the lock */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001725 REG_WR(bp, MISC_REG_DRIVER_CONTROL_1 + port*8 + 4,
Eliezer Tamirf1410642008-02-28 11:51:50 -08001726 resource_bit);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001727 lock_status = REG_RD(bp, MISC_REG_DRIVER_CONTROL_1 + port*8);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001728 if (lock_status & resource_bit)
1729 return 0;
1730
1731 msleep(5);
1732 }
1733 DP(NETIF_MSG_HW, "Timeout\n");
1734 return -EAGAIN;
1735}
1736
1737static int bnx2x_hw_unlock(struct bnx2x *bp, u32 resource)
1738{
1739 u32 lock_status;
1740 u32 resource_bit = (1 << resource);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001741 u8 port = BP_PORT(bp);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001742
1743 /* Validating that the resource is within range */
1744 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1745 DP(NETIF_MSG_HW,
1746 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1747 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1748 return -EINVAL;
1749 }
1750
1751 /* Validating that the resource is currently taken */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001752 lock_status = REG_RD(bp, MISC_REG_DRIVER_CONTROL_1 + port*8);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001753 if (!(lock_status & resource_bit)) {
1754 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1755 lock_status, resource_bit);
1756 return -EFAULT;
1757 }
1758
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001759 REG_WR(bp, MISC_REG_DRIVER_CONTROL_1 + port*8, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001760 return 0;
1761}
1762
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001763/* HW Lock for shared dual port PHYs */
1764static void bnx2x_phy_hw_lock(struct bnx2x *bp)
1765{
1766 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1767
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001768 mutex_lock(&bp->port.phy_mutex);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001769
1770 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1771 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
1772 bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
1773}
1774
1775static void bnx2x_phy_hw_unlock(struct bnx2x *bp)
1776{
1777 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1778
1779 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1780 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
1781 bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_8072_MDIO);
1782
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001783 mutex_unlock(&bp->port.phy_mutex);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001784}
1785
1786int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001787{
1788 /* The GPIO should be swapped if swap register is set and active */
1789 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001790 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ BP_PORT(bp);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001791 int gpio_shift = gpio_num +
1792 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1793 u32 gpio_mask = (1 << gpio_shift);
1794 u32 gpio_reg;
1795
1796 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1797 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1798 return -EINVAL;
1799 }
1800
1801 bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1802 /* read GPIO and mask except the float bits */
1803 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1804
1805 switch (mode) {
1806 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1807 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1808 gpio_num, gpio_shift);
1809 /* clear FLOAT and set CLR */
1810 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1811 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1812 break;
1813
1814 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1815 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1816 gpio_num, gpio_shift);
1817 /* clear FLOAT and set SET */
1818 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1819 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1820 break;
1821
1822 case MISC_REGISTERS_GPIO_INPUT_HI_Z :
1823 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1824 gpio_num, gpio_shift);
1825 /* set FLOAT */
1826 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1827 break;
1828
1829 default:
1830 break;
1831 }
1832
1833 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
1834 bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_GPIO);
1835
1836 return 0;
1837}
1838
1839static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1840{
1841 u32 spio_mask = (1 << spio_num);
1842 u32 spio_reg;
1843
1844 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1845 (spio_num > MISC_REGISTERS_SPIO_7)) {
1846 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1847 return -EINVAL;
1848 }
1849
1850 bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
1851 /* read SPIO and mask except the float bits */
1852 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1853
1854 switch (mode) {
1855 case MISC_REGISTERS_SPIO_OUTPUT_LOW :
1856 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1857 /* clear FLOAT and set CLR */
1858 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1859 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1860 break;
1861
1862 case MISC_REGISTERS_SPIO_OUTPUT_HIGH :
1863 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1864 /* clear FLOAT and set SET */
1865 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1866 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1867 break;
1868
1869 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1870 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1871 /* set FLOAT */
1872 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1873 break;
1874
1875 default:
1876 break;
1877 }
1878
1879 REG_WR(bp, MISC_REG_SPIO, spio_reg);
1880 bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_SPIO);
1881
1882 return 0;
1883}
1884
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001885static void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001886{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001887 switch (bp->link_vars.ieee_fc) {
1888 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001889 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001890 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001891 break;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001892 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001893 bp->port.advertising |= (ADVERTISED_Asym_Pause |
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001894 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001895 break;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001896 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001897 bp->port.advertising |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001898 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001899 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001900 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001901 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001902 break;
1903 }
1904}
1905
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001906static void bnx2x_link_report(struct bnx2x *bp)
1907{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001908 if (bp->link_vars.link_up) {
1909 if (bp->state == BNX2X_STATE_OPEN)
1910 netif_carrier_on(bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001911 printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
1912
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001913 printk("%d Mbps ", bp->link_vars.line_speed);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001914
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001915 if (bp->link_vars.duplex == DUPLEX_FULL)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001916 printk("full duplex");
1917 else
1918 printk("half duplex");
1919
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001920 if (bp->link_vars.flow_ctrl != FLOW_CTRL_NONE) {
1921 if (bp->link_vars.flow_ctrl & FLOW_CTRL_RX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001922 printk(", receive ");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001923 if (bp->link_vars.flow_ctrl & FLOW_CTRL_TX)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001924 printk("& transmit ");
1925 } else {
1926 printk(", transmit ");
1927 }
1928 printk("flow control ON");
1929 }
1930 printk("\n");
1931
1932 } else { /* link_down */
1933 netif_carrier_off(bp->dev);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001934 printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001935 }
1936}
1937
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001938static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001939{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001940 if (!BP_NOMCP(bp)) {
1941 u8 rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001942
Eilon Greenstein19680c42008-08-13 15:47:33 -07001943 /* Initialize link parameters structure variables */
1944 bp->link_params.mtu = bp->dev->mtu;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001945
Eilon Greenstein19680c42008-08-13 15:47:33 -07001946 bnx2x_phy_hw_lock(bp);
1947 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1948 bnx2x_phy_hw_unlock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001949
Eilon Greenstein19680c42008-08-13 15:47:33 -07001950 if (bp->link_vars.link_up)
1951 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001952
Eilon Greenstein19680c42008-08-13 15:47:33 -07001953 bnx2x_calc_fc_adv(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001954
Eilon Greenstein19680c42008-08-13 15:47:33 -07001955 return rc;
1956 }
1957 BNX2X_ERR("Bootcode is missing -not initializing link\n");
1958 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001959}
1960
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001961static void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001962{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001963 if (!BP_NOMCP(bp)) {
1964 bnx2x_phy_hw_lock(bp);
1965 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1966 bnx2x_phy_hw_unlock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001967
Eilon Greenstein19680c42008-08-13 15:47:33 -07001968 bnx2x_calc_fc_adv(bp);
1969 } else
1970 BNX2X_ERR("Bootcode is missing -not setting link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001971}
1972
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001973static void bnx2x__link_reset(struct bnx2x *bp)
1974{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001975 if (!BP_NOMCP(bp)) {
1976 bnx2x_phy_hw_lock(bp);
1977 bnx2x_link_reset(&bp->link_params, &bp->link_vars);
1978 bnx2x_phy_hw_unlock(bp);
1979 } else
1980 BNX2X_ERR("Bootcode is missing -not resetting link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001981}
1982
1983static u8 bnx2x_link_test(struct bnx2x *bp)
1984{
1985 u8 rc;
1986
1987 bnx2x_phy_hw_lock(bp);
1988 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars);
1989 bnx2x_phy_hw_unlock(bp);
1990
1991 return rc;
1992}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001993
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001994/* Calculates the sum of vn_min_rates.
1995 It's needed for further normalizing of the min_rates.
1996
1997 Returns:
1998 sum of vn_min_rates
1999 or
2000 0 - if all the min_rates are 0.
2001 In the later case fainess algorithm should be deactivated.
2002 If not all min_rates are zero then those that are zeroes will
2003 be set to 1.
2004 */
2005static u32 bnx2x_calc_vn_wsum(struct bnx2x *bp)
2006{
2007 int i, port = BP_PORT(bp);
2008 u32 wsum = 0;
2009 int all_zero = 1;
2010
2011 for (i = 0; i < E1HVN_MAX; i++) {
2012 u32 vn_cfg =
2013 SHMEM_RD(bp, mf_cfg.func_mf_config[2*i + port].config);
2014 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2015 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2016 if (!(vn_cfg & FUNC_MF_CFG_FUNC_HIDE)) {
2017 /* If min rate is zero - set it to 1 */
2018 if (!vn_min_rate)
2019 vn_min_rate = DEF_MIN_RATE;
2020 else
2021 all_zero = 0;
2022
2023 wsum += vn_min_rate;
2024 }
2025 }
2026
2027 /* ... only if all min rates are zeros - disable FAIRNESS */
2028 if (all_zero)
2029 return 0;
2030
2031 return wsum;
2032}
2033
2034static void bnx2x_init_port_minmax(struct bnx2x *bp,
2035 int en_fness,
2036 u16 port_rate,
2037 struct cmng_struct_per_port *m_cmng_port)
2038{
2039 u32 r_param = port_rate / 8;
2040 int port = BP_PORT(bp);
2041 int i;
2042
2043 memset(m_cmng_port, 0, sizeof(struct cmng_struct_per_port));
2044
2045 /* Enable minmax only if we are in e1hmf mode */
2046 if (IS_E1HMF(bp)) {
2047 u32 fair_periodic_timeout_usec;
2048 u32 t_fair;
2049
2050 /* Enable rate shaping and fairness */
2051 m_cmng_port->flags.cmng_vn_enable = 1;
2052 m_cmng_port->flags.fairness_enable = en_fness ? 1 : 0;
2053 m_cmng_port->flags.rate_shaping_enable = 1;
2054
2055 if (!en_fness)
2056 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2057 " fairness will be disabled\n");
2058
2059 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
2060 m_cmng_port->rs_vars.rs_periodic_timeout =
2061 RS_PERIODIC_TIMEOUT_USEC / 4;
2062
2063 /* this is the threshold below which no timer arming will occur
2064 1.25 coefficient is for the threshold to be a little bigger
2065 than the real time, to compensate for timer in-accuracy */
2066 m_cmng_port->rs_vars.rs_threshold =
2067 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
2068
2069 /* resolution of fairness timer */
2070 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
2071 /* for 10G it is 1000usec. for 1G it is 10000usec. */
2072 t_fair = T_FAIR_COEF / port_rate;
2073
2074 /* this is the threshold below which we won't arm
2075 the timer anymore */
2076 m_cmng_port->fair_vars.fair_threshold = QM_ARB_BYTES;
2077
2078 /* we multiply by 1e3/8 to get bytes/msec.
2079 We don't want the credits to pass a credit
2080 of the T_FAIR*FAIR_MEM (algorithm resolution) */
2081 m_cmng_port->fair_vars.upper_bound =
2082 r_param * t_fair * FAIR_MEM;
2083 /* since each tick is 4 usec */
2084 m_cmng_port->fair_vars.fairness_timeout =
2085 fair_periodic_timeout_usec / 4;
2086
2087 } else {
2088 /* Disable rate shaping and fairness */
2089 m_cmng_port->flags.cmng_vn_enable = 0;
2090 m_cmng_port->flags.fairness_enable = 0;
2091 m_cmng_port->flags.rate_shaping_enable = 0;
2092
2093 DP(NETIF_MSG_IFUP,
2094 "Single function mode minmax will be disabled\n");
2095 }
2096
2097 /* Store it to internal memory */
2098 for (i = 0; i < sizeof(struct cmng_struct_per_port) / 4; i++)
2099 REG_WR(bp, BAR_XSTRORM_INTMEM +
2100 XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i * 4,
2101 ((u32 *)(m_cmng_port))[i]);
2102}
2103
2104static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func,
2105 u32 wsum, u16 port_rate,
2106 struct cmng_struct_per_port *m_cmng_port)
2107{
2108 struct rate_shaping_vars_per_vn m_rs_vn;
2109 struct fairness_vars_per_vn m_fair_vn;
2110 u32 vn_cfg = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
2111 u16 vn_min_rate, vn_max_rate;
2112 int i;
2113
2114 /* If function is hidden - set min and max to zeroes */
2115 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
2116 vn_min_rate = 0;
2117 vn_max_rate = 0;
2118
2119 } else {
2120 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2121 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2122 /* If FAIRNESS is enabled (not all min rates are zeroes) and
2123 if current min rate is zero - set it to 1.
2124 This is a requirment of the algorithm. */
2125 if ((vn_min_rate == 0) && wsum)
2126 vn_min_rate = DEF_MIN_RATE;
2127 vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
2128 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
2129 }
2130
2131 DP(NETIF_MSG_IFUP, "func %d: vn_min_rate=%d vn_max_rate=%d "
2132 "wsum=%d\n", func, vn_min_rate, vn_max_rate, wsum);
2133
2134 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
2135 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
2136
2137 /* global vn counter - maximal Mbps for this vn */
2138 m_rs_vn.vn_counter.rate = vn_max_rate;
2139
2140 /* quota - number of bytes transmitted in this period */
2141 m_rs_vn.vn_counter.quota =
2142 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2143
2144#ifdef BNX2X_PER_PROT_QOS
2145 /* per protocol counter */
2146 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++) {
2147 /* maximal Mbps for this protocol */
2148 m_rs_vn.protocol_counters[protocol].rate =
2149 protocol_max_rate[protocol];
2150 /* the quota in each timer period -
2151 number of bytes transmitted in this period */
2152 m_rs_vn.protocol_counters[protocol].quota =
2153 (u32)(rs_periodic_timeout_usec *
2154 ((double)m_rs_vn.
2155 protocol_counters[protocol].rate/8));
2156 }
2157#endif
2158
2159 if (wsum) {
2160 /* credit for each period of the fairness algorithm:
2161 number of bytes in T_FAIR (the vn share the port rate).
2162 wsum should not be larger than 10000, thus
2163 T_FAIR_COEF / (8 * wsum) will always be grater than zero */
2164 m_fair_vn.vn_credit_delta =
2165 max((u64)(vn_min_rate * (T_FAIR_COEF / (8 * wsum))),
2166 (u64)(m_cmng_port->fair_vars.fair_threshold * 2));
2167 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta=%d\n",
2168 m_fair_vn.vn_credit_delta);
2169 }
2170
2171#ifdef BNX2X_PER_PROT_QOS
2172 do {
2173 u32 protocolWeightSum = 0;
2174
2175 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++)
2176 protocolWeightSum +=
2177 drvInit.protocol_min_rate[protocol];
2178 /* per protocol counter -
2179 NOT NEEDED IF NO PER-PROTOCOL CONGESTION MANAGEMENT */
2180 if (protocolWeightSum > 0) {
2181 for (protocol = 0;
2182 protocol < NUM_OF_PROTOCOLS; protocol++)
2183 /* credit for each period of the
2184 fairness algorithm - number of bytes in
2185 T_FAIR (the protocol share the vn rate) */
2186 m_fair_vn.protocol_credit_delta[protocol] =
2187 (u32)((vn_min_rate / 8) * t_fair *
2188 protocol_min_rate / protocolWeightSum);
2189 }
2190 } while (0);
2191#endif
2192
2193 /* Store it to internal memory */
2194 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2195 REG_WR(bp, BAR_XSTRORM_INTMEM +
2196 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2197 ((u32 *)(&m_rs_vn))[i]);
2198
2199 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2200 REG_WR(bp, BAR_XSTRORM_INTMEM +
2201 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2202 ((u32 *)(&m_fair_vn))[i]);
2203}
2204
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002205/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002206static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002207{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002208 int vn;
2209
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002210 /* Make sure that we are synced with the current statistics */
2211 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2212
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002213 bnx2x_phy_hw_lock(bp);
2214 bnx2x_link_update(&bp->link_params, &bp->link_vars);
2215 bnx2x_phy_hw_unlock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002216
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002217 if (bp->link_vars.link_up) {
2218
2219 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2220 struct host_port_stats *pstats;
2221
2222 pstats = bnx2x_sp(bp, port_stats);
2223 /* reset old bmac stats */
2224 memset(&(pstats->mac_stx[0]), 0,
2225 sizeof(struct mac_stx));
2226 }
2227 if ((bp->state == BNX2X_STATE_OPEN) ||
2228 (bp->state == BNX2X_STATE_DISABLED))
2229 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2230 }
2231
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002232 /* indicate link status */
2233 bnx2x_link_report(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002234
2235 if (IS_E1HMF(bp)) {
2236 int func;
2237
2238 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2239 if (vn == BP_E1HVN(bp))
2240 continue;
2241
2242 func = ((vn << 1) | BP_PORT(bp));
2243
2244 /* Set the attention towards other drivers
2245 on the same port */
2246 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2247 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2248 }
2249 }
2250
2251 if (CHIP_IS_E1H(bp) && (bp->link_vars.line_speed > 0)) {
2252 struct cmng_struct_per_port m_cmng_port;
2253 u32 wsum;
2254 int port = BP_PORT(bp);
2255
2256 /* Init RATE SHAPING and FAIRNESS contexts */
2257 wsum = bnx2x_calc_vn_wsum(bp);
2258 bnx2x_init_port_minmax(bp, (int)wsum,
2259 bp->link_vars.line_speed,
2260 &m_cmng_port);
2261 if (IS_E1HMF(bp))
2262 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2263 bnx2x_init_vn_minmax(bp, 2*vn + port,
2264 wsum, bp->link_vars.line_speed,
2265 &m_cmng_port);
2266 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002267}
2268
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002269static void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002270{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002271 if (bp->state != BNX2X_STATE_OPEN)
2272 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002273
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002274 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2275
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002276 if (bp->link_vars.link_up)
2277 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2278 else
2279 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2280
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002281 /* indicate link status */
2282 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002283}
2284
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002285static void bnx2x_pmf_update(struct bnx2x *bp)
2286{
2287 int port = BP_PORT(bp);
2288 u32 val;
2289
2290 bp->port.pmf = 1;
2291 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2292
2293 /* enable nig attention */
2294 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
2295 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2296 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002297
2298 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002299}
2300
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002301/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002302
2303/* slow path */
2304
2305/*
2306 * General service functions
2307 */
2308
2309/* the slow path queue is odd since completions arrive on the fastpath ring */
2310static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
2311 u32 data_hi, u32 data_lo, int common)
2312{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002313 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002314
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002315 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
2316 "SPQE (%x:%x) command %d hw_cid %x data (%x:%x) left %x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002317 (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) +
2318 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
2319 HW_CID(bp, cid), data_hi, data_lo, bp->spq_left);
2320
2321#ifdef BNX2X_STOP_ON_ERROR
2322 if (unlikely(bp->panic))
2323 return -EIO;
2324#endif
2325
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002326 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002327
2328 if (!bp->spq_left) {
2329 BNX2X_ERR("BUG! SPQ ring full!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002330 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002331 bnx2x_panic();
2332 return -EBUSY;
2333 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08002334
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002335 /* CID needs port number to be encoded int it */
2336 bp->spq_prod_bd->hdr.conn_and_cmd_data =
2337 cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) |
2338 HW_CID(bp, cid)));
2339 bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE);
2340 if (common)
2341 bp->spq_prod_bd->hdr.type |=
2342 cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT));
2343
2344 bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi);
2345 bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo);
2346
2347 bp->spq_left--;
2348
2349 if (bp->spq_prod_bd == bp->spq_last_bd) {
2350 bp->spq_prod_bd = bp->spq;
2351 bp->spq_prod_idx = 0;
2352 DP(NETIF_MSG_TIMER, "end of spq\n");
2353
2354 } else {
2355 bp->spq_prod_bd++;
2356 bp->spq_prod_idx++;
2357 }
2358
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002359 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002360 bp->spq_prod_idx);
2361
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002362 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002363 return 0;
2364}
2365
2366/* acquire split MCP access lock register */
2367static int bnx2x_lock_alr(struct bnx2x *bp)
2368{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002369 u32 i, j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002370 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002371
2372 might_sleep();
2373 i = 100;
2374 for (j = 0; j < i*10; j++) {
2375 val = (1UL << 31);
2376 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2377 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2378 if (val & (1L << 31))
2379 break;
2380
2381 msleep(5);
2382 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002383 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07002384 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002385 rc = -EBUSY;
2386 }
2387
2388 return rc;
2389}
2390
2391/* Release split MCP access lock register */
2392static void bnx2x_unlock_alr(struct bnx2x *bp)
2393{
2394 u32 val = 0;
2395
2396 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2397}
2398
2399static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2400{
2401 struct host_def_status_block *def_sb = bp->def_status_blk;
2402 u16 rc = 0;
2403
2404 barrier(); /* status block is written to by the chip */
2405
2406 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2407 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
2408 rc |= 1;
2409 }
2410 if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) {
2411 bp->def_c_idx = def_sb->c_def_status_block.status_block_index;
2412 rc |= 2;
2413 }
2414 if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) {
2415 bp->def_u_idx = def_sb->u_def_status_block.status_block_index;
2416 rc |= 4;
2417 }
2418 if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) {
2419 bp->def_x_idx = def_sb->x_def_status_block.status_block_index;
2420 rc |= 8;
2421 }
2422 if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) {
2423 bp->def_t_idx = def_sb->t_def_status_block.status_block_index;
2424 rc |= 16;
2425 }
2426 return rc;
2427}
2428
2429/*
2430 * slow path service functions
2431 */
2432
2433static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2434{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002435 int port = BP_PORT(bp);
2436 int func = BP_FUNC(bp);
2437 u32 igu_addr = (IGU_ADDR_ATTN_BITS_SET + IGU_FUNC_BASE * func) * 8;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002438 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2439 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002440 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2441 NIG_REG_MASK_INTERRUPT_PORT0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002442
2443 if (~bp->aeu_mask & (asserted & 0xff))
2444 BNX2X_ERR("IGU ERROR\n");
2445 if (bp->attn_state & asserted)
2446 BNX2X_ERR("IGU ERROR\n");
2447
2448 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
2449 bp->aeu_mask, asserted);
2450 bp->aeu_mask &= ~(asserted & 0xff);
2451 DP(NETIF_MSG_HW, "after masking: aeu_mask %x\n", bp->aeu_mask);
2452
2453 REG_WR(bp, aeu_addr, bp->aeu_mask);
2454
2455 bp->attn_state |= asserted;
2456
2457 if (asserted & ATTN_HARD_WIRED_MASK) {
2458 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002459
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002460 /* save nig interrupt mask */
2461 bp->nig_mask = REG_RD(bp, nig_int_mask_addr);
2462 REG_WR(bp, nig_int_mask_addr, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002463
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002464 bnx2x_link_attn(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002465
2466 /* handle unicore attn? */
2467 }
2468 if (asserted & ATTN_SW_TIMER_4_FUNC)
2469 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2470
2471 if (asserted & GPIO_2_FUNC)
2472 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2473
2474 if (asserted & GPIO_3_FUNC)
2475 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2476
2477 if (asserted & GPIO_4_FUNC)
2478 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2479
2480 if (port == 0) {
2481 if (asserted & ATTN_GENERAL_ATTN_1) {
2482 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2483 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2484 }
2485 if (asserted & ATTN_GENERAL_ATTN_2) {
2486 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2487 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2488 }
2489 if (asserted & ATTN_GENERAL_ATTN_3) {
2490 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2491 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2492 }
2493 } else {
2494 if (asserted & ATTN_GENERAL_ATTN_4) {
2495 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2496 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2497 }
2498 if (asserted & ATTN_GENERAL_ATTN_5) {
2499 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2500 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2501 }
2502 if (asserted & ATTN_GENERAL_ATTN_6) {
2503 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2504 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2505 }
2506 }
2507
2508 } /* if hardwired */
2509
2510 DP(NETIF_MSG_HW, "about to mask 0x%08x at IGU addr 0x%x\n",
2511 asserted, BAR_IGU_INTMEM + igu_addr);
2512 REG_WR(bp, BAR_IGU_INTMEM + igu_addr, asserted);
2513
2514 /* now set back the mask */
2515 if (asserted & ATTN_NIG_FOR_FUNC)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002516 REG_WR(bp, nig_int_mask_addr, bp->nig_mask);
2517}
2518
2519static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2520{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002521 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002522 int reg_offset;
2523 u32 val;
2524
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002525 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2526 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002527
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002528 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002529
2530 val = REG_RD(bp, reg_offset);
2531 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2532 REG_WR(bp, reg_offset, val);
2533
2534 BNX2X_ERR("SPIO5 hw attention\n");
2535
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002536 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002537 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
2538 /* Fan failure attention */
2539
2540 /* The PHY reset is controled by GPIO 1 */
2541 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
2542 MISC_REGISTERS_GPIO_OUTPUT_LOW);
2543 /* Low power mode is controled by GPIO 2 */
2544 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
2545 MISC_REGISTERS_GPIO_OUTPUT_LOW);
2546 /* mark the failure */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002547 bp->link_params.ext_phy_config &=
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002548 ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002549 bp->link_params.ext_phy_config |=
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002550 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
2551 SHMEM_WR(bp,
2552 dev_info.port_hw_config[port].
2553 external_phy_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002554 bp->link_params.ext_phy_config);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002555 /* log the failure */
2556 printk(KERN_ERR PFX "Fan Failure on Network"
2557 " Controller %s has caused the driver to"
2558 " shutdown the card to prevent permanent"
2559 " damage. Please contact Dell Support for"
2560 " assistance\n", bp->dev->name);
2561 break;
2562
2563 default:
2564 break;
2565 }
2566 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002567
2568 if (attn & HW_INTERRUT_ASSERT_SET_0) {
2569
2570 val = REG_RD(bp, reg_offset);
2571 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
2572 REG_WR(bp, reg_offset, val);
2573
2574 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
2575 (attn & HW_INTERRUT_ASSERT_SET_0));
2576 bnx2x_panic();
2577 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002578}
2579
2580static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
2581{
2582 u32 val;
2583
2584 if (attn & BNX2X_DOORQ_ASSERT) {
2585
2586 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
2587 BNX2X_ERR("DB hw attention 0x%x\n", val);
2588 /* DORQ discard attention */
2589 if (val & 0x2)
2590 BNX2X_ERR("FATAL error from DORQ\n");
2591 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002592
2593 if (attn & HW_INTERRUT_ASSERT_SET_1) {
2594
2595 int port = BP_PORT(bp);
2596 int reg_offset;
2597
2598 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
2599 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
2600
2601 val = REG_RD(bp, reg_offset);
2602 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
2603 REG_WR(bp, reg_offset, val);
2604
2605 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
2606 (attn & HW_INTERRUT_ASSERT_SET_1));
2607 bnx2x_panic();
2608 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002609}
2610
2611static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
2612{
2613 u32 val;
2614
2615 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
2616
2617 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
2618 BNX2X_ERR("CFC hw attention 0x%x\n", val);
2619 /* CFC error attention */
2620 if (val & 0x2)
2621 BNX2X_ERR("FATAL error from CFC\n");
2622 }
2623
2624 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
2625
2626 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
2627 BNX2X_ERR("PXP hw attention 0x%x\n", val);
2628 /* RQ_USDMDP_FIFO_OVERFLOW */
2629 if (val & 0x18000)
2630 BNX2X_ERR("FATAL error from PXP\n");
2631 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002632
2633 if (attn & HW_INTERRUT_ASSERT_SET_2) {
2634
2635 int port = BP_PORT(bp);
2636 int reg_offset;
2637
2638 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
2639 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
2640
2641 val = REG_RD(bp, reg_offset);
2642 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
2643 REG_WR(bp, reg_offset, val);
2644
2645 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
2646 (attn & HW_INTERRUT_ASSERT_SET_2));
2647 bnx2x_panic();
2648 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002649}
2650
2651static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
2652{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002653 u32 val;
2654
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002655 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
2656
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002657 if (attn & BNX2X_PMF_LINK_ASSERT) {
2658 int func = BP_FUNC(bp);
2659
2660 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
2661 bnx2x__link_status_update(bp);
2662 if (SHMEM_RD(bp, func_mb[func].drv_status) &
2663 DRV_STATUS_PMF)
2664 bnx2x_pmf_update(bp);
2665
2666 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002667
2668 BNX2X_ERR("MC assert!\n");
2669 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
2670 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
2671 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
2672 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
2673 bnx2x_panic();
2674
2675 } else if (attn & BNX2X_MCP_ASSERT) {
2676
2677 BNX2X_ERR("MCP assert!\n");
2678 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002679 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002680
2681 } else
2682 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
2683 }
2684
2685 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002686 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
2687 if (attn & BNX2X_GRC_TIMEOUT) {
2688 val = CHIP_IS_E1H(bp) ?
2689 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN) : 0;
2690 BNX2X_ERR("GRC time-out 0x%08x\n", val);
2691 }
2692 if (attn & BNX2X_GRC_RSV) {
2693 val = CHIP_IS_E1H(bp) ?
2694 REG_RD(bp, MISC_REG_GRC_RSV_ATTN) : 0;
2695 BNX2X_ERR("GRC reserved 0x%08x\n", val);
2696 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002697 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002698 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002699}
2700
2701static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
2702{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002703 struct attn_route attn;
2704 struct attn_route group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002705 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002706 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002707 u32 reg_addr;
2708 u32 val;
2709
2710 /* need to take HW lock because MCP or other port might also
2711 try to handle this event */
2712 bnx2x_lock_alr(bp);
2713
2714 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
2715 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
2716 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
2717 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002718 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x\n",
2719 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002720
2721 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
2722 if (deasserted & (1 << index)) {
2723 group_mask = bp->attn_group[index];
2724
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002725 DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x\n",
2726 index, group_mask.sig[0], group_mask.sig[1],
2727 group_mask.sig[2], group_mask.sig[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002728
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002729 bnx2x_attn_int_deasserted3(bp,
2730 attn.sig[3] & group_mask.sig[3]);
2731 bnx2x_attn_int_deasserted1(bp,
2732 attn.sig[1] & group_mask.sig[1]);
2733 bnx2x_attn_int_deasserted2(bp,
2734 attn.sig[2] & group_mask.sig[2]);
2735 bnx2x_attn_int_deasserted0(bp,
2736 attn.sig[0] & group_mask.sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002737
2738 if ((attn.sig[0] & group_mask.sig[0] &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002739 HW_PRTY_ASSERT_SET_0) ||
2740 (attn.sig[1] & group_mask.sig[1] &
2741 HW_PRTY_ASSERT_SET_1) ||
2742 (attn.sig[2] & group_mask.sig[2] &
2743 HW_PRTY_ASSERT_SET_2))
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002744 BNX2X_ERR("FATAL HW block parity attention\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002745 }
2746 }
2747
2748 bnx2x_unlock_alr(bp);
2749
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002750 reg_addr = (IGU_ADDR_ATTN_BITS_CLR + IGU_FUNC_BASE * BP_FUNC(bp)) * 8;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002751
2752 val = ~deasserted;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002753/* DP(NETIF_MSG_INTR, "write 0x%08x to IGU addr 0x%x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002754 val, BAR_IGU_INTMEM + reg_addr); */
2755 REG_WR(bp, BAR_IGU_INTMEM + reg_addr, val);
2756
2757 if (bp->aeu_mask & (deasserted & 0xff))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002758 BNX2X_ERR("IGU BUG!\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002759 if (~bp->attn_state & deasserted)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002760 BNX2X_ERR("IGU BUG!\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002761
2762 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2763 MISC_REG_AEU_MASK_ATTN_FUNC_0;
2764
2765 DP(NETIF_MSG_HW, "aeu_mask %x\n", bp->aeu_mask);
2766 bp->aeu_mask |= (deasserted & 0xff);
2767
2768 DP(NETIF_MSG_HW, "new mask %x\n", bp->aeu_mask);
2769 REG_WR(bp, reg_addr, bp->aeu_mask);
2770
2771 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2772 bp->attn_state &= ~deasserted;
2773 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2774}
2775
2776static void bnx2x_attn_int(struct bnx2x *bp)
2777{
2778 /* read local copy of bits */
2779 u32 attn_bits = bp->def_status_blk->atten_status_block.attn_bits;
2780 u32 attn_ack = bp->def_status_blk->atten_status_block.attn_bits_ack;
2781 u32 attn_state = bp->attn_state;
2782
2783 /* look for changed bits */
2784 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
2785 u32 deasserted = ~attn_bits & attn_ack & attn_state;
2786
2787 DP(NETIF_MSG_HW,
2788 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
2789 attn_bits, attn_ack, asserted, deasserted);
2790
2791 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002792 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002793
2794 /* handle bits that were raised */
2795 if (asserted)
2796 bnx2x_attn_int_asserted(bp, asserted);
2797
2798 if (deasserted)
2799 bnx2x_attn_int_deasserted(bp, deasserted);
2800}
2801
2802static void bnx2x_sp_task(struct work_struct *work)
2803{
2804 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task);
2805 u16 status;
2806
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002807
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002808 /* Return here if interrupt is disabled */
2809 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002810 DP(BNX2X_MSG_SP, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002811 return;
2812 }
2813
2814 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002815/* if (status == 0) */
2816/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002817
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002818 DP(BNX2X_MSG_SP, "got a slowpath interrupt (updated %x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002819
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002820 /* HW attentions */
2821 if (status & 0x1)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002822 bnx2x_attn_int(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002823
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002824 /* CStorm events: query_stats, port delete ramrod */
2825 if (status & 0x2)
2826 bp->stats_pending = 0;
2827
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002828 bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, bp->def_att_idx,
2829 IGU_INT_NOP, 1);
2830 bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx),
2831 IGU_INT_NOP, 1);
2832 bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx),
2833 IGU_INT_NOP, 1);
2834 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx),
2835 IGU_INT_NOP, 1);
2836 bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx),
2837 IGU_INT_ENABLE, 1);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002838
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002839}
2840
2841static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
2842{
2843 struct net_device *dev = dev_instance;
2844 struct bnx2x *bp = netdev_priv(dev);
2845
2846 /* Return here if interrupt is disabled */
2847 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002848 DP(BNX2X_MSG_SP, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002849 return IRQ_HANDLED;
2850 }
2851
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002852 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, 0, IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002853
2854#ifdef BNX2X_STOP_ON_ERROR
2855 if (unlikely(bp->panic))
2856 return IRQ_HANDLED;
2857#endif
2858
2859 schedule_work(&bp->sp_task);
2860
2861 return IRQ_HANDLED;
2862}
2863
2864/* end of slow path */
2865
2866/* Statistics */
2867
2868/****************************************************************************
2869* Macros
2870****************************************************************************/
2871
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002872/* sum[hi:lo] += add[hi:lo] */
2873#define ADD_64(s_hi, a_hi, s_lo, a_lo) \
2874 do { \
2875 s_lo += a_lo; \
2876 s_hi += a_hi + (s_lo < a_lo) ? 1 : 0; \
2877 } while (0)
2878
2879/* difference = minuend - subtrahend */
2880#define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
2881 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002882 if (m_lo < s_lo) { \
2883 /* underflow */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002884 d_hi = m_hi - s_hi; \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002885 if (d_hi > 0) { \
2886 /* we can 'loan' 1 */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002887 d_hi--; \
2888 d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002889 } else { \
2890 /* m_hi <= s_hi */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002891 d_hi = 0; \
2892 d_lo = 0; \
2893 } \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002894 } else { \
2895 /* m_lo >= s_lo */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002896 if (m_hi < s_hi) { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002897 d_hi = 0; \
2898 d_lo = 0; \
2899 } else { \
2900 /* m_hi >= s_hi */ \
2901 d_hi = m_hi - s_hi; \
2902 d_lo = m_lo - s_lo; \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002903 } \
2904 } \
2905 } while (0)
2906
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002907#define UPDATE_STAT64(s, t) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002908 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002909 DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
2910 diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
2911 pstats->mac_stx[0].t##_hi = new->s##_hi; \
2912 pstats->mac_stx[0].t##_lo = new->s##_lo; \
2913 ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
2914 pstats->mac_stx[1].t##_lo, diff.lo); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002915 } while (0)
2916
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002917#define UPDATE_STAT64_NIG(s, t) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002918 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002919 DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
2920 diff.lo, new->s##_lo, old->s##_lo); \
2921 ADD_64(estats->t##_hi, diff.hi, \
2922 estats->t##_lo, diff.lo); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002923 } while (0)
2924
2925/* sum[hi:lo] += add */
2926#define ADD_EXTEND_64(s_hi, s_lo, a) \
2927 do { \
2928 s_lo += a; \
2929 s_hi += (s_lo < a) ? 1 : 0; \
2930 } while (0)
2931
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002932#define UPDATE_EXTEND_STAT(s) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002933 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002934 ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
2935 pstats->mac_stx[1].s##_lo, \
2936 new->s); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002937 } while (0)
2938
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002939#define UPDATE_EXTEND_TSTAT(s, t) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002940 do { \
2941 diff = le32_to_cpu(tclient->s) - old_tclient->s; \
2942 old_tclient->s = le32_to_cpu(tclient->s); \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002943 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
2944 } while (0)
2945
2946#define UPDATE_EXTEND_XSTAT(s, t) \
2947 do { \
2948 diff = le32_to_cpu(xclient->s) - old_xclient->s; \
2949 old_xclient->s = le32_to_cpu(xclient->s); \
2950 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002951 } while (0)
2952
2953/*
2954 * General service functions
2955 */
2956
2957static inline long bnx2x_hilo(u32 *hiref)
2958{
2959 u32 lo = *(hiref + 1);
2960#if (BITS_PER_LONG == 64)
2961 u32 hi = *hiref;
2962
2963 return HILO_U64(hi, lo);
2964#else
2965 return lo;
2966#endif
2967}
2968
2969/*
2970 * Init service functions
2971 */
2972
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002973static void bnx2x_storm_stats_init(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002974{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002975 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002976
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002977 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func), 1);
2978 REG_WR(bp, BAR_XSTRORM_INTMEM +
2979 XSTORM_STATS_FLAGS_OFFSET(func) + 4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002980
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002981 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func), 1);
2982 REG_WR(bp, BAR_TSTRORM_INTMEM +
2983 TSTORM_STATS_FLAGS_OFFSET(func) + 4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002984
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002985 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func), 0);
2986 REG_WR(bp, BAR_CSTRORM_INTMEM +
2987 CSTORM_STATS_FLAGS_OFFSET(func) + 4, 0);
2988
2989 REG_WR(bp, BAR_XSTRORM_INTMEM +
2990 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
2991 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
2992 REG_WR(bp, BAR_XSTRORM_INTMEM +
2993 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
2994 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
2995
2996 REG_WR(bp, BAR_TSTRORM_INTMEM +
2997 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
2998 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
2999 REG_WR(bp, BAR_TSTRORM_INTMEM +
3000 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
3001 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
3002}
3003
3004static void bnx2x_storm_stats_post(struct bnx2x *bp)
3005{
3006 if (!bp->stats_pending) {
3007 struct eth_query_ramrod_data ramrod_data = {0};
3008 int rc;
3009
3010 ramrod_data.drv_counter = bp->stats_counter++;
3011 ramrod_data.collect_port_1b = bp->port.pmf ? 1 : 0;
3012 ramrod_data.ctr_id_vector = (1 << BP_CL_ID(bp));
3013
3014 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0,
3015 ((u32 *)&ramrod_data)[1],
3016 ((u32 *)&ramrod_data)[0], 0);
3017 if (rc == 0) {
3018 /* stats ramrod has it's own slot on the spq */
3019 bp->spq_left++;
3020 bp->stats_pending = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003021 }
3022 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003023}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003024
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003025static void bnx2x_stats_init(struct bnx2x *bp)
3026{
3027 int port = BP_PORT(bp);
3028
3029 bp->executer_idx = 0;
3030 bp->stats_counter = 0;
3031
3032 /* port stats */
3033 if (!BP_NOMCP(bp))
3034 bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
3035 else
3036 bp->port.port_stx = 0;
3037 DP(BNX2X_MSG_STATS, "port_stx 0x%x\n", bp->port.port_stx);
3038
3039 memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
3040 bp->port.old_nig_stats.brb_discard =
3041 REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
3042 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
3043 &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
3044 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
3045 &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
3046
3047 /* function stats */
3048 memset(&bp->dev->stats, 0, sizeof(struct net_device_stats));
3049 memset(&bp->old_tclient, 0, sizeof(struct tstorm_per_client_stats));
3050 memset(&bp->old_xclient, 0, sizeof(struct xstorm_per_client_stats));
3051 memset(&bp->eth_stats, 0, sizeof(struct bnx2x_eth_stats));
3052
3053 bp->stats_state = STATS_STATE_DISABLED;
3054 if (IS_E1HMF(bp) && bp->port.pmf && bp->port.port_stx)
3055 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
3056}
3057
3058static void bnx2x_hw_stats_post(struct bnx2x *bp)
3059{
3060 struct dmae_command *dmae = &bp->stats_dmae;
3061 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3062
3063 *stats_comp = DMAE_COMP_VAL;
3064
3065 /* loader */
3066 if (bp->executer_idx) {
3067 int loader_idx = PMF_DMAE_C(bp);
3068
3069 memset(dmae, 0, sizeof(struct dmae_command));
3070
3071 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3072 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3073 DMAE_CMD_DST_RESET |
3074#ifdef __BIG_ENDIAN
3075 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3076#else
3077 DMAE_CMD_ENDIANITY_DW_SWAP |
3078#endif
3079 (BP_PORT(bp) ? DMAE_CMD_PORT_1 :
3080 DMAE_CMD_PORT_0) |
3081 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3082 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
3083 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
3084 dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
3085 sizeof(struct dmae_command) *
3086 (loader_idx + 1)) >> 2;
3087 dmae->dst_addr_hi = 0;
3088 dmae->len = sizeof(struct dmae_command) >> 2;
3089 if (CHIP_IS_E1(bp))
3090 dmae->len--;
3091 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
3092 dmae->comp_addr_hi = 0;
3093 dmae->comp_val = 1;
3094
3095 *stats_comp = 0;
3096 bnx2x_post_dmae(bp, dmae, loader_idx);
3097
3098 } else if (bp->func_stx) {
3099 *stats_comp = 0;
3100 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
3101 }
3102}
3103
3104static int bnx2x_stats_comp(struct bnx2x *bp)
3105{
3106 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3107 int cnt = 10;
3108
3109 might_sleep();
3110 while (*stats_comp != DMAE_COMP_VAL) {
3111 msleep(1);
3112 if (!cnt) {
3113 BNX2X_ERR("timeout waiting for stats finished\n");
3114 break;
3115 }
3116 cnt--;
3117 }
3118 return 1;
3119}
3120
3121/*
3122 * Statistics service functions
3123 */
3124
3125static void bnx2x_stats_pmf_update(struct bnx2x *bp)
3126{
3127 struct dmae_command *dmae;
3128 u32 opcode;
3129 int loader_idx = PMF_DMAE_C(bp);
3130 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3131
3132 /* sanity */
3133 if (!IS_E1HMF(bp) || !bp->port.pmf || !bp->port.port_stx) {
3134 BNX2X_ERR("BUG!\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003135 return;
3136 }
3137
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003138 bp->executer_idx = 0;
3139
3140 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3141 DMAE_CMD_C_ENABLE |
3142 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3143#ifdef __BIG_ENDIAN
3144 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3145#else
3146 DMAE_CMD_ENDIANITY_DW_SWAP |
3147#endif
3148 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3149 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3150
3151 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3152 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3153 dmae->src_addr_lo = bp->port.port_stx >> 2;
3154 dmae->src_addr_hi = 0;
3155 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3156 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3157 dmae->len = DMAE_LEN32_RD_MAX;
3158 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3159 dmae->comp_addr_hi = 0;
3160 dmae->comp_val = 1;
3161
3162 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3163 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3164 dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
3165 dmae->src_addr_hi = 0;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003166 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
3167 DMAE_LEN32_RD_MAX * 4);
3168 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
3169 DMAE_LEN32_RD_MAX * 4);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003170 dmae->len = (sizeof(struct host_port_stats) >> 2) - DMAE_LEN32_RD_MAX;
3171 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3172 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3173 dmae->comp_val = DMAE_COMP_VAL;
3174
3175 *stats_comp = 0;
3176 bnx2x_hw_stats_post(bp);
3177 bnx2x_stats_comp(bp);
3178}
3179
3180static void bnx2x_port_stats_init(struct bnx2x *bp)
3181{
3182 struct dmae_command *dmae;
3183 int port = BP_PORT(bp);
3184 int vn = BP_E1HVN(bp);
3185 u32 opcode;
3186 int loader_idx = PMF_DMAE_C(bp);
3187 u32 mac_addr;
3188 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3189
3190 /* sanity */
3191 if (!bp->link_vars.link_up || !bp->port.pmf) {
3192 BNX2X_ERR("BUG!\n");
3193 return;
3194 }
3195
3196 bp->executer_idx = 0;
3197
3198 /* MCP */
3199 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3200 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3201 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3202#ifdef __BIG_ENDIAN
3203 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3204#else
3205 DMAE_CMD_ENDIANITY_DW_SWAP |
3206#endif
3207 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3208 (vn << DMAE_CMD_E1HVN_SHIFT));
3209
3210 if (bp->port.port_stx) {
3211
3212 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3213 dmae->opcode = opcode;
3214 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3215 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3216 dmae->dst_addr_lo = bp->port.port_stx >> 2;
3217 dmae->dst_addr_hi = 0;
3218 dmae->len = sizeof(struct host_port_stats) >> 2;
3219 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3220 dmae->comp_addr_hi = 0;
3221 dmae->comp_val = 1;
3222 }
3223
3224 if (bp->func_stx) {
3225
3226 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3227 dmae->opcode = opcode;
3228 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3229 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3230 dmae->dst_addr_lo = bp->func_stx >> 2;
3231 dmae->dst_addr_hi = 0;
3232 dmae->len = sizeof(struct host_func_stats) >> 2;
3233 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3234 dmae->comp_addr_hi = 0;
3235 dmae->comp_val = 1;
3236 }
3237
3238 /* MAC */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003239 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3240 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3241 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3242#ifdef __BIG_ENDIAN
3243 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3244#else
3245 DMAE_CMD_ENDIANITY_DW_SWAP |
3246#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003247 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3248 (vn << DMAE_CMD_E1HVN_SHIFT));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003249
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07003250 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003251
3252 mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
3253 NIG_REG_INGRESS_BMAC0_MEM);
3254
3255 /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
3256 BIGMAC_REGISTER_TX_STAT_GTBYT */
3257 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3258 dmae->opcode = opcode;
3259 dmae->src_addr_lo = (mac_addr +
3260 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3261 dmae->src_addr_hi = 0;
3262 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3263 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3264 dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
3265 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3266 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3267 dmae->comp_addr_hi = 0;
3268 dmae->comp_val = 1;
3269
3270 /* BIGMAC_REGISTER_RX_STAT_GR64 ..
3271 BIGMAC_REGISTER_RX_STAT_GRIPJ */
3272 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3273 dmae->opcode = opcode;
3274 dmae->src_addr_lo = (mac_addr +
3275 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3276 dmae->src_addr_hi = 0;
3277 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003278 offsetof(struct bmac_stats, rx_stat_gr64_lo));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003279 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003280 offsetof(struct bmac_stats, rx_stat_gr64_lo));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003281 dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
3282 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3283 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3284 dmae->comp_addr_hi = 0;
3285 dmae->comp_val = 1;
3286
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07003287 } else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003288
3289 mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
3290
3291 /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
3292 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3293 dmae->opcode = opcode;
3294 dmae->src_addr_lo = (mac_addr +
3295 EMAC_REG_EMAC_RX_STAT_AC) >> 2;
3296 dmae->src_addr_hi = 0;
3297 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3298 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3299 dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
3300 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3301 dmae->comp_addr_hi = 0;
3302 dmae->comp_val = 1;
3303
3304 /* EMAC_REG_EMAC_RX_STAT_AC_28 */
3305 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3306 dmae->opcode = opcode;
3307 dmae->src_addr_lo = (mac_addr +
3308 EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
3309 dmae->src_addr_hi = 0;
3310 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003311 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003312 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003313 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003314 dmae->len = 1;
3315 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3316 dmae->comp_addr_hi = 0;
3317 dmae->comp_val = 1;
3318
3319 /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
3320 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3321 dmae->opcode = opcode;
3322 dmae->src_addr_lo = (mac_addr +
3323 EMAC_REG_EMAC_TX_STAT_AC) >> 2;
3324 dmae->src_addr_hi = 0;
3325 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003326 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003327 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003328 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003329 dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
3330 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3331 dmae->comp_addr_hi = 0;
3332 dmae->comp_val = 1;
3333 }
3334
3335 /* NIG */
3336 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003337 dmae->opcode = opcode;
3338 dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
3339 NIG_REG_STAT0_BRB_DISCARD) >> 2;
3340 dmae->src_addr_hi = 0;
3341 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
3342 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
3343 dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
3344 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3345 dmae->comp_addr_hi = 0;
3346 dmae->comp_val = 1;
3347
3348 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3349 dmae->opcode = opcode;
3350 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
3351 NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
3352 dmae->src_addr_hi = 0;
3353 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3354 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3355 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3356 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3357 dmae->len = (2*sizeof(u32)) >> 2;
3358 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3359 dmae->comp_addr_hi = 0;
3360 dmae->comp_val = 1;
3361
3362 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003363 dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3364 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3365 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3366#ifdef __BIG_ENDIAN
3367 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3368#else
3369 DMAE_CMD_ENDIANITY_DW_SWAP |
3370#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003371 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3372 (vn << DMAE_CMD_E1HVN_SHIFT));
3373 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
3374 NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003375 dmae->src_addr_hi = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003376 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3377 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3378 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3379 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3380 dmae->len = (2*sizeof(u32)) >> 2;
3381 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3382 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3383 dmae->comp_val = DMAE_COMP_VAL;
3384
3385 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003386}
3387
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003388static void bnx2x_func_stats_init(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003389{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003390 struct dmae_command *dmae = &bp->stats_dmae;
3391 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003392
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003393 /* sanity */
3394 if (!bp->func_stx) {
3395 BNX2X_ERR("BUG!\n");
3396 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003397 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003398
3399 bp->executer_idx = 0;
3400 memset(dmae, 0, sizeof(struct dmae_command));
3401
3402 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3403 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3404 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3405#ifdef __BIG_ENDIAN
3406 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3407#else
3408 DMAE_CMD_ENDIANITY_DW_SWAP |
3409#endif
3410 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3411 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3412 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3413 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3414 dmae->dst_addr_lo = bp->func_stx >> 2;
3415 dmae->dst_addr_hi = 0;
3416 dmae->len = sizeof(struct host_func_stats) >> 2;
3417 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3418 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3419 dmae->comp_val = DMAE_COMP_VAL;
3420
3421 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003422}
3423
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003424static void bnx2x_stats_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003425{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003426 if (bp->port.pmf)
3427 bnx2x_port_stats_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003428
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003429 else if (bp->func_stx)
3430 bnx2x_func_stats_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003431
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003432 bnx2x_hw_stats_post(bp);
3433 bnx2x_storm_stats_post(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003434}
3435
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003436static void bnx2x_stats_pmf_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003437{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003438 bnx2x_stats_comp(bp);
3439 bnx2x_stats_pmf_update(bp);
3440 bnx2x_stats_start(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003441}
3442
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003443static void bnx2x_stats_restart(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003444{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003445 bnx2x_stats_comp(bp);
3446 bnx2x_stats_start(bp);
3447}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003448
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003449static void bnx2x_bmac_stats_update(struct bnx2x *bp)
3450{
3451 struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac_stats);
3452 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3453 struct regpair diff;
3454
3455 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
3456 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
3457 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
3458 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
3459 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
3460 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
3461 UPDATE_STAT64(rx_stat_grxpf, rx_stat_bmac_xpf);
3462 UPDATE_STAT64(rx_stat_grxcf, rx_stat_bmac_xcf);
3463 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
3464 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffpauseframesreceived);
3465 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
3466 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
3467 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
3468 UPDATE_STAT64(tx_stat_gt127,
3469 tx_stat_etherstatspkts65octetsto127octets);
3470 UPDATE_STAT64(tx_stat_gt255,
3471 tx_stat_etherstatspkts128octetsto255octets);
3472 UPDATE_STAT64(tx_stat_gt511,
3473 tx_stat_etherstatspkts256octetsto511octets);
3474 UPDATE_STAT64(tx_stat_gt1023,
3475 tx_stat_etherstatspkts512octetsto1023octets);
3476 UPDATE_STAT64(tx_stat_gt1518,
3477 tx_stat_etherstatspkts1024octetsto1522octets);
3478 UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047);
3479 UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095);
3480 UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216);
3481 UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383);
3482 UPDATE_STAT64(tx_stat_gterr,
3483 tx_stat_dot3statsinternalmactransmiterrors);
3484 UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl);
3485}
3486
3487static void bnx2x_emac_stats_update(struct bnx2x *bp)
3488{
3489 struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
3490 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3491
3492 UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
3493 UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
3494 UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
3495 UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
3496 UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
3497 UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
3498 UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
3499 UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
3500 UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
3501 UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
3502 UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
3503 UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
3504 UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
3505 UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
3506 UPDATE_EXTEND_STAT(tx_stat_outxonsent);
3507 UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
3508 UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
3509 UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
3510 UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
3511 UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
3512 UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
3513 UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
3514 UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
3515 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
3516 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
3517 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
3518 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
3519 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
3520 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
3521 UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
3522 UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
3523}
3524
3525static int bnx2x_hw_stats_update(struct bnx2x *bp)
3526{
3527 struct nig_stats *new = bnx2x_sp(bp, nig_stats);
3528 struct nig_stats *old = &(bp->port.old_nig_stats);
3529 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3530 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3531 struct regpair diff;
3532
3533 if (bp->link_vars.mac_type == MAC_TYPE_BMAC)
3534 bnx2x_bmac_stats_update(bp);
3535
3536 else if (bp->link_vars.mac_type == MAC_TYPE_EMAC)
3537 bnx2x_emac_stats_update(bp);
3538
3539 else { /* unreached */
3540 BNX2X_ERR("stats updated by dmae but no MAC active\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003541 return -1;
3542 }
3543
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003544 ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
3545 new->brb_discard - old->brb_discard);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003546
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003547 UPDATE_STAT64_NIG(egress_mac_pkt0,
3548 etherstatspkts1024octetsto1522octets);
3549 UPDATE_STAT64_NIG(egress_mac_pkt1, etherstatspktsover1522octets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003550
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003551 memcpy(old, new, sizeof(struct nig_stats));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003552
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003553 memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
3554 sizeof(struct mac_stx));
3555 estats->brb_drop_hi = pstats->brb_drop_hi;
3556 estats->brb_drop_lo = pstats->brb_drop_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003557
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003558 pstats->host_port_stats_start = ++pstats->host_port_stats_end;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003559
3560 return 0;
3561}
3562
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003563static int bnx2x_storm_stats_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003564{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003565 struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
3566 int cl_id = BP_CL_ID(bp);
3567 struct tstorm_per_port_stats *tport =
3568 &stats->tstorm_common.port_statistics;
3569 struct tstorm_per_client_stats *tclient =
3570 &stats->tstorm_common.client_statistics[cl_id];
3571 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3572 struct xstorm_per_client_stats *xclient =
3573 &stats->xstorm_common.client_statistics[cl_id];
3574 struct xstorm_per_client_stats *old_xclient = &bp->old_xclient;
3575 struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
3576 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3577 u32 diff;
3578
3579 /* are storm stats valid? */
3580 if ((u16)(le16_to_cpu(tclient->stats_counter) + 1) !=
3581 bp->stats_counter) {
3582 DP(BNX2X_MSG_STATS, "stats not updated by tstorm"
3583 " tstorm counter (%d) != stats_counter (%d)\n",
3584 tclient->stats_counter, bp->stats_counter);
3585 return -1;
3586 }
3587 if ((u16)(le16_to_cpu(xclient->stats_counter) + 1) !=
3588 bp->stats_counter) {
3589 DP(BNX2X_MSG_STATS, "stats not updated by xstorm"
3590 " xstorm counter (%d) != stats_counter (%d)\n",
3591 xclient->stats_counter, bp->stats_counter);
3592 return -2;
3593 }
3594
3595 fstats->total_bytes_received_hi =
3596 fstats->valid_bytes_received_hi =
3597 le32_to_cpu(tclient->total_rcv_bytes.hi);
3598 fstats->total_bytes_received_lo =
3599 fstats->valid_bytes_received_lo =
3600 le32_to_cpu(tclient->total_rcv_bytes.lo);
3601
3602 estats->error_bytes_received_hi =
3603 le32_to_cpu(tclient->rcv_error_bytes.hi);
3604 estats->error_bytes_received_lo =
3605 le32_to_cpu(tclient->rcv_error_bytes.lo);
3606 ADD_64(estats->error_bytes_received_hi,
3607 estats->rx_stat_ifhcinbadoctets_hi,
3608 estats->error_bytes_received_lo,
3609 estats->rx_stat_ifhcinbadoctets_lo);
3610
3611 ADD_64(fstats->total_bytes_received_hi,
3612 estats->error_bytes_received_hi,
3613 fstats->total_bytes_received_lo,
3614 estats->error_bytes_received_lo);
3615
3616 UPDATE_EXTEND_TSTAT(rcv_unicast_pkts, total_unicast_packets_received);
3617 UPDATE_EXTEND_TSTAT(rcv_multicast_pkts,
3618 total_multicast_packets_received);
3619 UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts,
3620 total_broadcast_packets_received);
3621
3622 fstats->total_bytes_transmitted_hi =
3623 le32_to_cpu(xclient->total_sent_bytes.hi);
3624 fstats->total_bytes_transmitted_lo =
3625 le32_to_cpu(xclient->total_sent_bytes.lo);
3626
3627 UPDATE_EXTEND_XSTAT(unicast_pkts_sent,
3628 total_unicast_packets_transmitted);
3629 UPDATE_EXTEND_XSTAT(multicast_pkts_sent,
3630 total_multicast_packets_transmitted);
3631 UPDATE_EXTEND_XSTAT(broadcast_pkts_sent,
3632 total_broadcast_packets_transmitted);
3633
3634 memcpy(estats, &(fstats->total_bytes_received_hi),
3635 sizeof(struct host_func_stats) - 2*sizeof(u32));
3636
3637 estats->mac_filter_discard = le32_to_cpu(tport->mac_filter_discard);
3638 estats->xxoverflow_discard = le32_to_cpu(tport->xxoverflow_discard);
3639 estats->brb_truncate_discard =
3640 le32_to_cpu(tport->brb_truncate_discard);
3641 estats->mac_discard = le32_to_cpu(tport->mac_discard);
3642
3643 old_tclient->rcv_unicast_bytes.hi =
3644 le32_to_cpu(tclient->rcv_unicast_bytes.hi);
3645 old_tclient->rcv_unicast_bytes.lo =
3646 le32_to_cpu(tclient->rcv_unicast_bytes.lo);
3647 old_tclient->rcv_broadcast_bytes.hi =
3648 le32_to_cpu(tclient->rcv_broadcast_bytes.hi);
3649 old_tclient->rcv_broadcast_bytes.lo =
3650 le32_to_cpu(tclient->rcv_broadcast_bytes.lo);
3651 old_tclient->rcv_multicast_bytes.hi =
3652 le32_to_cpu(tclient->rcv_multicast_bytes.hi);
3653 old_tclient->rcv_multicast_bytes.lo =
3654 le32_to_cpu(tclient->rcv_multicast_bytes.lo);
3655 old_tclient->total_rcv_pkts = le32_to_cpu(tclient->total_rcv_pkts);
3656
3657 old_tclient->checksum_discard = le32_to_cpu(tclient->checksum_discard);
3658 old_tclient->packets_too_big_discard =
3659 le32_to_cpu(tclient->packets_too_big_discard);
3660 estats->no_buff_discard =
3661 old_tclient->no_buff_discard = le32_to_cpu(tclient->no_buff_discard);
3662 old_tclient->ttl0_discard = le32_to_cpu(tclient->ttl0_discard);
3663
3664 old_xclient->total_sent_pkts = le32_to_cpu(xclient->total_sent_pkts);
3665 old_xclient->unicast_bytes_sent.hi =
3666 le32_to_cpu(xclient->unicast_bytes_sent.hi);
3667 old_xclient->unicast_bytes_sent.lo =
3668 le32_to_cpu(xclient->unicast_bytes_sent.lo);
3669 old_xclient->multicast_bytes_sent.hi =
3670 le32_to_cpu(xclient->multicast_bytes_sent.hi);
3671 old_xclient->multicast_bytes_sent.lo =
3672 le32_to_cpu(xclient->multicast_bytes_sent.lo);
3673 old_xclient->broadcast_bytes_sent.hi =
3674 le32_to_cpu(xclient->broadcast_bytes_sent.hi);
3675 old_xclient->broadcast_bytes_sent.lo =
3676 le32_to_cpu(xclient->broadcast_bytes_sent.lo);
3677
3678 fstats->host_func_stats_start = ++fstats->host_func_stats_end;
3679
3680 return 0;
3681}
3682
3683static void bnx2x_net_stats_update(struct bnx2x *bp)
3684{
3685 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3686 struct bnx2x_eth_stats *estats = &bp->eth_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003687 struct net_device_stats *nstats = &bp->dev->stats;
3688
3689 nstats->rx_packets =
3690 bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
3691 bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
3692 bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
3693
3694 nstats->tx_packets =
3695 bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
3696 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
3697 bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
3698
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003699 nstats->rx_bytes = bnx2x_hilo(&estats->valid_bytes_received_hi);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003700
Eliezer Tamir0e39e642008-02-28 11:54:03 -08003701 nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003702
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003703 nstats->rx_dropped = old_tclient->checksum_discard +
3704 estats->mac_discard;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003705 nstats->tx_dropped = 0;
3706
3707 nstats->multicast =
3708 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi);
3709
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003710 nstats->collisions =
3711 estats->tx_stat_dot3statssinglecollisionframes_lo +
3712 estats->tx_stat_dot3statsmultiplecollisionframes_lo +
3713 estats->tx_stat_dot3statslatecollisions_lo +
3714 estats->tx_stat_dot3statsexcessivecollisions_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003715
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003716 estats->jabber_packets_received =
3717 old_tclient->packets_too_big_discard +
3718 estats->rx_stat_dot3statsframestoolong_lo;
3719
3720 nstats->rx_length_errors =
3721 estats->rx_stat_etherstatsundersizepkts_lo +
3722 estats->jabber_packets_received;
3723 nstats->rx_over_errors = estats->brb_drop_lo +
Eliezer Tamir0e39e642008-02-28 11:54:03 -08003724 estats->brb_truncate_discard;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003725 nstats->rx_crc_errors = estats->rx_stat_dot3statsfcserrors_lo;
3726 nstats->rx_frame_errors = estats->rx_stat_dot3statsalignmenterrors_lo;
3727 nstats->rx_fifo_errors = old_tclient->no_buff_discard;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003728 nstats->rx_missed_errors = estats->xxoverflow_discard;
3729
3730 nstats->rx_errors = nstats->rx_length_errors +
3731 nstats->rx_over_errors +
3732 nstats->rx_crc_errors +
3733 nstats->rx_frame_errors +
Eliezer Tamir0e39e642008-02-28 11:54:03 -08003734 nstats->rx_fifo_errors +
3735 nstats->rx_missed_errors;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003736
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003737 nstats->tx_aborted_errors =
3738 estats->tx_stat_dot3statslatecollisions_lo +
3739 estats->tx_stat_dot3statsexcessivecollisions_lo;
3740 nstats->tx_carrier_errors = estats->rx_stat_falsecarriererrors_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003741 nstats->tx_fifo_errors = 0;
3742 nstats->tx_heartbeat_errors = 0;
3743 nstats->tx_window_errors = 0;
3744
3745 nstats->tx_errors = nstats->tx_aborted_errors +
3746 nstats->tx_carrier_errors;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003747}
3748
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003749static void bnx2x_stats_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003750{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003751 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3752 int update = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003753
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003754 if (*stats_comp != DMAE_COMP_VAL)
3755 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003756
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003757 if (bp->port.pmf)
3758 update = (bnx2x_hw_stats_update(bp) == 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003759
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003760 update |= (bnx2x_storm_stats_update(bp) == 0);
3761
3762 if (update)
3763 bnx2x_net_stats_update(bp);
3764
3765 else {
3766 if (bp->stats_pending) {
3767 bp->stats_pending++;
3768 if (bp->stats_pending == 3) {
3769 BNX2X_ERR("stats not updated for 3 times\n");
3770 bnx2x_panic();
3771 return;
3772 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003773 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003774 }
3775
3776 if (bp->msglevel & NETIF_MSG_TIMER) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003777 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3778 struct bnx2x_eth_stats *estats = &bp->eth_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003779 struct net_device_stats *nstats = &bp->dev->stats;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003780 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003781
3782 printk(KERN_DEBUG "%s:\n", bp->dev->name);
3783 printk(KERN_DEBUG " tx avail (%4x) tx hc idx (%x)"
3784 " tx pkt (%lx)\n",
3785 bnx2x_tx_avail(bp->fp),
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003786 le16_to_cpu(*bp->fp->tx_cons_sb), nstats->tx_packets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003787 printk(KERN_DEBUG " rx usage (%4x) rx hc idx (%x)"
3788 " rx pkt (%lx)\n",
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003789 (u16)(le16_to_cpu(*bp->fp->rx_cons_sb) -
3790 bp->fp->rx_comp_cons),
3791 le16_to_cpu(*bp->fp->rx_cons_sb), nstats->rx_packets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003792 printk(KERN_DEBUG " %s (Xoff events %u) brb drops %u\n",
3793 netif_queue_stopped(bp->dev)? "Xoff" : "Xon",
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003794 estats->driver_xoff, estats->brb_drop_lo);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003795 printk(KERN_DEBUG "tstats: checksum_discard %u "
3796 "packets_too_big_discard %u no_buff_discard %u "
3797 "mac_discard %u mac_filter_discard %u "
3798 "xxovrflow_discard %u brb_truncate_discard %u "
3799 "ttl0_discard %u\n",
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003800 old_tclient->checksum_discard,
3801 old_tclient->packets_too_big_discard,
3802 old_tclient->no_buff_discard, estats->mac_discard,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003803 estats->mac_filter_discard, estats->xxoverflow_discard,
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003804 estats->brb_truncate_discard,
3805 old_tclient->ttl0_discard);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003806
3807 for_each_queue(bp, i) {
3808 printk(KERN_DEBUG "[%d]: %lu\t%lu\t%lu\n", i,
3809 bnx2x_fp(bp, i, tx_pkt),
3810 bnx2x_fp(bp, i, rx_pkt),
3811 bnx2x_fp(bp, i, rx_calls));
3812 }
3813 }
3814
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003815 bnx2x_hw_stats_post(bp);
3816 bnx2x_storm_stats_post(bp);
3817}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003818
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003819static void bnx2x_port_stats_stop(struct bnx2x *bp)
3820{
3821 struct dmae_command *dmae;
3822 u32 opcode;
3823 int loader_idx = PMF_DMAE_C(bp);
3824 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003825
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003826 bp->executer_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003827
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003828 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3829 DMAE_CMD_C_ENABLE |
3830 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003831#ifdef __BIG_ENDIAN
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003832 DMAE_CMD_ENDIANITY_B_DW_SWAP |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003833#else
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003834 DMAE_CMD_ENDIANITY_DW_SWAP |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003835#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003836 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3837 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3838
3839 if (bp->port.port_stx) {
3840
3841 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3842 if (bp->func_stx)
3843 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3844 else
3845 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3846 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3847 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3848 dmae->dst_addr_lo = bp->port.port_stx >> 2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003849 dmae->dst_addr_hi = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003850 dmae->len = sizeof(struct host_port_stats) >> 2;
3851 if (bp->func_stx) {
3852 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3853 dmae->comp_addr_hi = 0;
3854 dmae->comp_val = 1;
3855 } else {
3856 dmae->comp_addr_lo =
3857 U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3858 dmae->comp_addr_hi =
3859 U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3860 dmae->comp_val = DMAE_COMP_VAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003861
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003862 *stats_comp = 0;
3863 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003864 }
3865
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003866 if (bp->func_stx) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003867
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003868 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3869 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3870 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3871 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3872 dmae->dst_addr_lo = bp->func_stx >> 2;
3873 dmae->dst_addr_hi = 0;
3874 dmae->len = sizeof(struct host_func_stats) >> 2;
3875 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3876 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3877 dmae->comp_val = DMAE_COMP_VAL;
3878
3879 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003880 }
3881}
3882
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003883static void bnx2x_stats_stop(struct bnx2x *bp)
3884{
3885 int update = 0;
3886
3887 bnx2x_stats_comp(bp);
3888
3889 if (bp->port.pmf)
3890 update = (bnx2x_hw_stats_update(bp) == 0);
3891
3892 update |= (bnx2x_storm_stats_update(bp) == 0);
3893
3894 if (update) {
3895 bnx2x_net_stats_update(bp);
3896
3897 if (bp->port.pmf)
3898 bnx2x_port_stats_stop(bp);
3899
3900 bnx2x_hw_stats_post(bp);
3901 bnx2x_stats_comp(bp);
3902 }
3903}
3904
3905static void bnx2x_stats_do_nothing(struct bnx2x *bp)
3906{
3907}
3908
3909static const struct {
3910 void (*action)(struct bnx2x *bp);
3911 enum bnx2x_stats_state next_state;
3912} bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
3913/* state event */
3914{
3915/* DISABLED PMF */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
3916/* LINK_UP */ {bnx2x_stats_start, STATS_STATE_ENABLED},
3917/* UPDATE */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
3918/* STOP */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
3919},
3920{
3921/* ENABLED PMF */ {bnx2x_stats_pmf_start, STATS_STATE_ENABLED},
3922/* LINK_UP */ {bnx2x_stats_restart, STATS_STATE_ENABLED},
3923/* UPDATE */ {bnx2x_stats_update, STATS_STATE_ENABLED},
3924/* STOP */ {bnx2x_stats_stop, STATS_STATE_DISABLED}
3925}
3926};
3927
3928static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
3929{
3930 enum bnx2x_stats_state state = bp->stats_state;
3931
3932 bnx2x_stats_stm[state][event].action(bp);
3933 bp->stats_state = bnx2x_stats_stm[state][event].next_state;
3934
3935 if ((event != STATS_EVENT_UPDATE) || (bp->msglevel & NETIF_MSG_TIMER))
3936 DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
3937 state, event, bp->stats_state);
3938}
3939
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003940static void bnx2x_timer(unsigned long data)
3941{
3942 struct bnx2x *bp = (struct bnx2x *) data;
3943
3944 if (!netif_running(bp->dev))
3945 return;
3946
3947 if (atomic_read(&bp->intr_sem) != 0)
Eliezer Tamirf1410642008-02-28 11:51:50 -08003948 goto timer_restart;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003949
3950 if (poll) {
3951 struct bnx2x_fastpath *fp = &bp->fp[0];
3952 int rc;
3953
3954 bnx2x_tx_int(fp, 1000);
3955 rc = bnx2x_rx_int(fp, 1000);
3956 }
3957
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003958 if (!BP_NOMCP(bp)) {
3959 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003960 u32 drv_pulse;
3961 u32 mcp_pulse;
3962
3963 ++bp->fw_drv_pulse_wr_seq;
3964 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3965 /* TBD - add SYSTEM_TIME */
3966 drv_pulse = bp->fw_drv_pulse_wr_seq;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003967 SHMEM_WR(bp, func_mb[func].drv_pulse_mb, drv_pulse);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003968
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003969 mcp_pulse = (SHMEM_RD(bp, func_mb[func].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003970 MCP_PULSE_SEQ_MASK);
3971 /* The delta between driver pulse and mcp response
3972 * should be 1 (before mcp response) or 0 (after mcp response)
3973 */
3974 if ((drv_pulse != mcp_pulse) &&
3975 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3976 /* someone lost a heartbeat... */
3977 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3978 drv_pulse, mcp_pulse);
3979 }
3980 }
3981
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003982 if ((bp->state == BNX2X_STATE_OPEN) ||
3983 (bp->state == BNX2X_STATE_DISABLED))
3984 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003985
Eliezer Tamirf1410642008-02-28 11:51:50 -08003986timer_restart:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003987 mod_timer(&bp->timer, jiffies + bp->current_interval);
3988}
3989
3990/* end of Statistics */
3991
3992/* nic init */
3993
3994/*
3995 * nic init service functions
3996 */
3997
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003998static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003999{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004000 int port = BP_PORT(bp);
4001
4002 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
4003 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
4004 sizeof(struct ustorm_def_status_block)/4);
4005 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
4006 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
4007 sizeof(struct cstorm_def_status_block)/4);
4008}
4009
4010static void bnx2x_init_sb(struct bnx2x *bp, int sb_id,
4011 struct host_status_block *sb, dma_addr_t mapping)
4012{
4013 int port = BP_PORT(bp);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004014 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004015 int index;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004016 u64 section;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004017
4018 /* USTORM */
4019 section = ((u64)mapping) + offsetof(struct host_status_block,
4020 u_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004021 sb->u_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004022
4023 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004024 USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004025 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004026 ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004027 U64_HI(section));
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004028 REG_WR8(bp, BAR_USTRORM_INTMEM + FP_USB_FUNC_OFF +
4029 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004030
4031 for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++)
4032 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004033 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004034
4035 /* CSTORM */
4036 section = ((u64)mapping) + offsetof(struct host_status_block,
4037 c_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004038 sb->c_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004039
4040 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004041 CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004042 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004043 ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004044 U64_HI(section));
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004045 REG_WR8(bp, BAR_CSTRORM_INTMEM + FP_CSB_FUNC_OFF +
4046 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004047
4048 for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++)
4049 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004050 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004051
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004052 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
4053}
4054
4055static void bnx2x_zero_def_sb(struct bnx2x *bp)
4056{
4057 int func = BP_FUNC(bp);
4058
4059 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
4060 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4061 sizeof(struct ustorm_def_status_block)/4);
4062 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
4063 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4064 sizeof(struct cstorm_def_status_block)/4);
4065 bnx2x_init_fill(bp, BAR_XSTRORM_INTMEM +
4066 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4067 sizeof(struct xstorm_def_status_block)/4);
4068 bnx2x_init_fill(bp, BAR_TSTRORM_INTMEM +
4069 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4070 sizeof(struct tstorm_def_status_block)/4);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004071}
4072
4073static void bnx2x_init_def_sb(struct bnx2x *bp,
4074 struct host_def_status_block *def_sb,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004075 dma_addr_t mapping, int sb_id)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004076{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004077 int port = BP_PORT(bp);
4078 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004079 int index, val, reg_offset;
4080 u64 section;
4081
4082 /* ATTN */
4083 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4084 atten_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004085 def_sb->atten_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004086
Eliezer Tamir49d66772008-02-28 11:53:13 -08004087 bp->def_att_idx = 0;
4088 bp->attn_state = 0;
4089
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004090 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4091 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4092
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004093 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004094 bp->attn_group[index].sig[0] = REG_RD(bp,
4095 reg_offset + 0x10*index);
4096 bp->attn_group[index].sig[1] = REG_RD(bp,
4097 reg_offset + 0x4 + 0x10*index);
4098 bp->attn_group[index].sig[2] = REG_RD(bp,
4099 reg_offset + 0x8 + 0x10*index);
4100 bp->attn_group[index].sig[3] = REG_RD(bp,
4101 reg_offset + 0xc + 0x10*index);
4102 }
4103
4104 bp->aeu_mask = REG_RD(bp, (port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
4105 MISC_REG_AEU_MASK_ATTN_FUNC_0));
4106
4107 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4108 HC_REG_ATTN_MSG0_ADDR_L);
4109
4110 REG_WR(bp, reg_offset, U64_LO(section));
4111 REG_WR(bp, reg_offset + 4, U64_HI(section));
4112
4113 reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0);
4114
4115 val = REG_RD(bp, reg_offset);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004116 val |= sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004117 REG_WR(bp, reg_offset, val);
4118
4119 /* USTORM */
4120 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4121 u_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004122 def_sb->u_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004123
Eliezer Tamir49d66772008-02-28 11:53:13 -08004124 bp->def_u_idx = 0;
4125
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004126 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004127 USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004128 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004129 ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004130 U64_HI(section));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004131 REG_WR8(bp, BAR_USTRORM_INTMEM + DEF_USB_FUNC_OFF +
4132 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4133 REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004134 BNX2X_BTR);
4135
4136 for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++)
4137 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004138 USTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004139
4140 /* CSTORM */
4141 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4142 c_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004143 def_sb->c_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004144
Eliezer Tamir49d66772008-02-28 11:53:13 -08004145 bp->def_c_idx = 0;
4146
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004147 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004148 CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004149 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004150 ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004151 U64_HI(section));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004152 REG_WR8(bp, BAR_CSTRORM_INTMEM + DEF_CSB_FUNC_OFF +
4153 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4154 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004155 BNX2X_BTR);
4156
4157 for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++)
4158 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004159 CSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004160
4161 /* TSTORM */
4162 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4163 t_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004164 def_sb->t_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004165
Eliezer Tamir49d66772008-02-28 11:53:13 -08004166 bp->def_t_idx = 0;
4167
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004168 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004169 TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004170 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004171 ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004172 U64_HI(section));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004173 REG_WR8(bp, BAR_TSTRORM_INTMEM + DEF_TSB_FUNC_OFF +
4174 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4175 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004176 BNX2X_BTR);
4177
4178 for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++)
4179 REG_WR16(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004180 TSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004181
4182 /* XSTORM */
4183 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4184 x_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004185 def_sb->x_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004186
Eliezer Tamir49d66772008-02-28 11:53:13 -08004187 bp->def_x_idx = 0;
4188
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004189 REG_WR(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004190 XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004191 REG_WR(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004192 ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004193 U64_HI(section));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004194 REG_WR8(bp, BAR_XSTRORM_INTMEM + DEF_XSB_FUNC_OFF +
4195 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4196 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004197 BNX2X_BTR);
4198
4199 for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++)
4200 REG_WR16(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004201 XSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004202
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004203 bp->stats_pending = 0;
4204
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004205 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004206}
4207
4208static void bnx2x_update_coalesce(struct bnx2x *bp)
4209{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004210 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004211 int i;
4212
4213 for_each_queue(bp, i) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004214 int sb_id = bp->fp[i].sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004215
4216 /* HC_INDEX_U_ETH_RX_CQ_CONS */
4217 REG_WR8(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004218 USTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004219 HC_INDEX_U_ETH_RX_CQ_CONS),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004220 bp->rx_ticks/12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004221 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004222 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004223 HC_INDEX_U_ETH_RX_CQ_CONS),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004224 bp->rx_ticks ? 0 : 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004225
4226 /* HC_INDEX_C_ETH_TX_CQ_CONS */
4227 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004228 CSTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004229 HC_INDEX_C_ETH_TX_CQ_CONS),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004230 bp->tx_ticks/12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004231 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004232 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004233 HC_INDEX_C_ETH_TX_CQ_CONS),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004234 bp->tx_ticks ? 0 : 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004235 }
4236}
4237
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004238static inline void bnx2x_free_tpa_pool(struct bnx2x *bp,
4239 struct bnx2x_fastpath *fp, int last)
4240{
4241 int i;
4242
4243 for (i = 0; i < last; i++) {
4244 struct sw_rx_bd *rx_buf = &(fp->tpa_pool[i]);
4245 struct sk_buff *skb = rx_buf->skb;
4246
4247 if (skb == NULL) {
4248 DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i);
4249 continue;
4250 }
4251
4252 if (fp->tpa_state[i] == BNX2X_TPA_START)
4253 pci_unmap_single(bp->pdev,
4254 pci_unmap_addr(rx_buf, mapping),
4255 bp->rx_buf_use_size,
4256 PCI_DMA_FROMDEVICE);
4257
4258 dev_kfree_skb(skb);
4259 rx_buf->skb = NULL;
4260 }
4261}
4262
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004263static void bnx2x_init_rx_rings(struct bnx2x *bp)
4264{
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004265 int func = BP_FUNC(bp);
4266 u16 ring_prod, cqe_ring_prod = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004267 int i, j;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004268
4269 bp->rx_buf_use_size = bp->dev->mtu;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004270 bp->rx_buf_use_size += bp->rx_offset + ETH_OVREHEAD;
4271 bp->rx_buf_size = bp->rx_buf_use_size + 64;
4272
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004273 if (bp->flags & TPA_ENABLE_FLAG) {
4274 DP(NETIF_MSG_IFUP,
4275 "rx_buf_use_size %d rx_buf_size %d effective_mtu %d\n",
4276 bp->rx_buf_use_size, bp->rx_buf_size,
4277 bp->dev->mtu + ETH_OVREHEAD);
4278
4279 for_each_queue(bp, j) {
4280 for (i = 0; i < ETH_MAX_AGGREGATION_QUEUES_E1H; i++) {
4281 struct bnx2x_fastpath *fp = &bp->fp[j];
4282
4283 fp->tpa_pool[i].skb =
4284 netdev_alloc_skb(bp->dev, bp->rx_buf_size);
4285 if (!fp->tpa_pool[i].skb) {
4286 BNX2X_ERR("Failed to allocate TPA "
4287 "skb pool for queue[%d] - "
4288 "disabling TPA on this "
4289 "queue!\n", j);
4290 bnx2x_free_tpa_pool(bp, fp, i);
4291 fp->disable_tpa = 1;
4292 break;
4293 }
4294 pci_unmap_addr_set((struct sw_rx_bd *)
4295 &bp->fp->tpa_pool[i],
4296 mapping, 0);
4297 fp->tpa_state[i] = BNX2X_TPA_STOP;
4298 }
4299 }
4300 }
4301
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004302 for_each_queue(bp, j) {
4303 struct bnx2x_fastpath *fp = &bp->fp[j];
4304
4305 fp->rx_bd_cons = 0;
4306 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004307 fp->rx_bd_cons_sb = BNX2X_RX_SB_BD_INDEX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004308
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004309 /* "next page" elements initialization */
4310 /* SGE ring */
4311 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
4312 struct eth_rx_sge *sge;
4313
4314 sge = &fp->rx_sge_ring[RX_SGE_CNT * i - 2];
4315 sge->addr_hi =
4316 cpu_to_le32(U64_HI(fp->rx_sge_mapping +
4317 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4318 sge->addr_lo =
4319 cpu_to_le32(U64_LO(fp->rx_sge_mapping +
4320 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4321 }
4322
4323 bnx2x_init_sge_ring_bit_mask(fp);
4324
4325 /* RX BD ring */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004326 for (i = 1; i <= NUM_RX_RINGS; i++) {
4327 struct eth_rx_bd *rx_bd;
4328
4329 rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2];
4330 rx_bd->addr_hi =
4331 cpu_to_le32(U64_HI(fp->rx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004332 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004333 rx_bd->addr_lo =
4334 cpu_to_le32(U64_LO(fp->rx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004335 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004336 }
4337
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004338 /* CQ ring */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004339 for (i = 1; i <= NUM_RCQ_RINGS; i++) {
4340 struct eth_rx_cqe_next_page *nextpg;
4341
4342 nextpg = (struct eth_rx_cqe_next_page *)
4343 &fp->rx_comp_ring[RCQ_DESC_CNT * i - 1];
4344 nextpg->addr_hi =
4345 cpu_to_le32(U64_HI(fp->rx_comp_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004346 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004347 nextpg->addr_lo =
4348 cpu_to_le32(U64_LO(fp->rx_comp_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004349 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004350 }
4351
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004352 /* Allocate SGEs and initialize the ring elements */
4353 for (i = 0, ring_prod = 0;
4354 i < MAX_RX_SGE_CNT*NUM_RX_SGE_PAGES; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004355
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004356 if (bnx2x_alloc_rx_sge(bp, fp, ring_prod) < 0) {
4357 BNX2X_ERR("was only able to allocate "
4358 "%d rx sges\n", i);
4359 BNX2X_ERR("disabling TPA for queue[%d]\n", j);
4360 /* Cleanup already allocated elements */
4361 bnx2x_free_rx_sge_range(bp, fp, ring_prod);
4362 bnx2x_free_tpa_pool(bp, fp,
4363 ETH_MAX_AGGREGATION_QUEUES_E1H);
4364 fp->disable_tpa = 1;
4365 ring_prod = 0;
4366 break;
4367 }
4368 ring_prod = NEXT_SGE_IDX(ring_prod);
4369 }
4370 fp->rx_sge_prod = ring_prod;
4371
4372 /* Allocate BDs and initialize BD ring */
4373 fp->rx_comp_cons = fp->rx_alloc_failed = 0;
4374 cqe_ring_prod = ring_prod = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004375 for (i = 0; i < bp->rx_ring_size; i++) {
4376 if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) {
4377 BNX2X_ERR("was only able to allocate "
4378 "%d rx skbs\n", i);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004379 fp->rx_alloc_failed++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004380 break;
4381 }
4382 ring_prod = NEXT_RX_IDX(ring_prod);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004383 cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod);
Ilpo Järvinen53e5e962008-07-25 21:40:45 -07004384 WARN_ON(ring_prod <= i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004385 }
4386
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004387 fp->rx_bd_prod = ring_prod;
4388 /* must not have more available CQEs than BDs */
4389 fp->rx_comp_prod = min((u16)(NUM_RCQ_RINGS*RCQ_DESC_CNT),
4390 cqe_ring_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004391 fp->rx_pkt = fp->rx_calls = 0;
4392
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004393 /* Warning!
4394 * this will generate an interrupt (to the TSTORM)
4395 * must only be done after chip is initialized
4396 */
4397 bnx2x_update_rx_prod(bp, fp, ring_prod, fp->rx_comp_prod,
4398 fp->rx_sge_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004399 if (j != 0)
4400 continue;
4401
4402 REG_WR(bp, BAR_USTRORM_INTMEM +
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004403 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004404 U64_LO(fp->rx_comp_mapping));
4405 REG_WR(bp, BAR_USTRORM_INTMEM +
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004406 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004407 U64_HI(fp->rx_comp_mapping));
4408 }
4409}
4410
4411static void bnx2x_init_tx_ring(struct bnx2x *bp)
4412{
4413 int i, j;
4414
4415 for_each_queue(bp, j) {
4416 struct bnx2x_fastpath *fp = &bp->fp[j];
4417
4418 for (i = 1; i <= NUM_TX_RINGS; i++) {
4419 struct eth_tx_bd *tx_bd =
4420 &fp->tx_desc_ring[TX_DESC_CNT * i - 1];
4421
4422 tx_bd->addr_hi =
4423 cpu_to_le32(U64_HI(fp->tx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004424 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004425 tx_bd->addr_lo =
4426 cpu_to_le32(U64_LO(fp->tx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004427 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004428 }
4429
4430 fp->tx_pkt_prod = 0;
4431 fp->tx_pkt_cons = 0;
4432 fp->tx_bd_prod = 0;
4433 fp->tx_bd_cons = 0;
4434 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4435 fp->tx_pkt = 0;
4436 }
4437}
4438
4439static void bnx2x_init_sp_ring(struct bnx2x *bp)
4440{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004441 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004442
4443 spin_lock_init(&bp->spq_lock);
4444
4445 bp->spq_left = MAX_SPQ_PENDING;
4446 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004447 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4448 bp->spq_prod_bd = bp->spq;
4449 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
4450
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004451 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004452 U64_LO(bp->spq_mapping));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004453 REG_WR(bp,
4454 XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004455 U64_HI(bp->spq_mapping));
4456
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004457 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004458 bp->spq_prod_idx);
4459}
4460
4461static void bnx2x_init_context(struct bnx2x *bp)
4462{
4463 int i;
4464
4465 for_each_queue(bp, i) {
4466 struct eth_context *context = bnx2x_sp(bp, context[i].eth);
4467 struct bnx2x_fastpath *fp = &bp->fp[i];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004468 u8 sb_id = FP_SB_ID(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004469
4470 context->xstorm_st_context.tx_bd_page_base_hi =
4471 U64_HI(fp->tx_desc_mapping);
4472 context->xstorm_st_context.tx_bd_page_base_lo =
4473 U64_LO(fp->tx_desc_mapping);
4474 context->xstorm_st_context.db_data_addr_hi =
4475 U64_HI(fp->tx_prods_mapping);
4476 context->xstorm_st_context.db_data_addr_lo =
4477 U64_LO(fp->tx_prods_mapping);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004478 context->xstorm_st_context.statistics_data = (BP_CL_ID(bp) |
4479 XSTORM_ETH_ST_CONTEXT_STATISTICS_ENABLE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004480
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004481 context->ustorm_st_context.common.sb_index_numbers =
4482 BNX2X_RX_SB_INDEX_NUM;
4483 context->ustorm_st_context.common.clientId = FP_CL_ID(fp);
4484 context->ustorm_st_context.common.status_block_id = sb_id;
4485 context->ustorm_st_context.common.flags =
4486 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_MC_ALIGNMENT;
4487 context->ustorm_st_context.common.mc_alignment_size = 64;
4488 context->ustorm_st_context.common.bd_buff_size =
4489 bp->rx_buf_use_size;
4490 context->ustorm_st_context.common.bd_page_base_hi =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004491 U64_HI(fp->rx_desc_mapping);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004492 context->ustorm_st_context.common.bd_page_base_lo =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004493 U64_LO(fp->rx_desc_mapping);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004494 if (!fp->disable_tpa) {
4495 context->ustorm_st_context.common.flags |=
4496 (USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_TPA |
4497 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_SGE_RING);
4498 context->ustorm_st_context.common.sge_buff_size =
4499 (u16)(BCM_PAGE_SIZE*PAGES_PER_SGE);
4500 context->ustorm_st_context.common.sge_page_base_hi =
4501 U64_HI(fp->rx_sge_mapping);
4502 context->ustorm_st_context.common.sge_page_base_lo =
4503 U64_LO(fp->rx_sge_mapping);
4504 }
4505
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004506 context->cstorm_st_context.sb_index_number =
4507 HC_INDEX_C_ETH_TX_CQ_CONS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004508 context->cstorm_st_context.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004509
4510 context->xstorm_ag_context.cdu_reserved =
4511 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4512 CDU_REGION_NUMBER_XCM_AG,
4513 ETH_CONNECTION_TYPE);
4514 context->ustorm_ag_context.cdu_usage =
4515 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4516 CDU_REGION_NUMBER_UCM_AG,
4517 ETH_CONNECTION_TYPE);
4518 }
4519}
4520
4521static void bnx2x_init_ind_table(struct bnx2x *bp)
4522{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004523 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004524 int i;
4525
4526 if (!is_multi(bp))
4527 return;
4528
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004529 DP(NETIF_MSG_IFUP, "Initializing indirection table\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004530 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004531 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4532 TSTORM_INDIRECTION_TABLE_OFFSET(port) + i,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004533 i % bp->num_queues);
4534
4535 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
4536}
4537
Eliezer Tamir49d66772008-02-28 11:53:13 -08004538static void bnx2x_set_client_config(struct bnx2x *bp)
4539{
Eliezer Tamir49d66772008-02-28 11:53:13 -08004540 struct tstorm_eth_client_config tstorm_client = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004541 int port = BP_PORT(bp);
4542 int i;
Eliezer Tamir49d66772008-02-28 11:53:13 -08004543
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004544 tstorm_client.mtu = bp->dev->mtu + ETH_OVREHEAD;
Eliezer Tamir49d66772008-02-28 11:53:13 -08004545 tstorm_client.statistics_counter_id = 0;
4546 tstorm_client.config_flags =
4547 TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE;
4548#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004549 if (bp->rx_mode && bp->vlgrp) {
Eliezer Tamir49d66772008-02-28 11:53:13 -08004550 tstorm_client.config_flags |=
4551 TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE;
4552 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
4553 }
4554#endif
Eliezer Tamir49d66772008-02-28 11:53:13 -08004555
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004556 if (bp->flags & TPA_ENABLE_FLAG) {
4557 tstorm_client.max_sges_for_packet =
4558 BCM_PAGE_ALIGN(tstorm_client.mtu) >> BCM_PAGE_SHIFT;
4559 tstorm_client.max_sges_for_packet =
4560 ((tstorm_client.max_sges_for_packet +
4561 PAGES_PER_SGE - 1) & (~(PAGES_PER_SGE - 1))) >>
4562 PAGES_PER_SGE_SHIFT;
4563
4564 tstorm_client.config_flags |=
4565 TSTORM_ETH_CLIENT_CONFIG_ENABLE_SGE_RING;
4566 }
4567
Eliezer Tamir49d66772008-02-28 11:53:13 -08004568 for_each_queue(bp, i) {
4569 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004570 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id),
Eliezer Tamir49d66772008-02-28 11:53:13 -08004571 ((u32 *)&tstorm_client)[0]);
4572 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004573 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id) + 4,
Eliezer Tamir49d66772008-02-28 11:53:13 -08004574 ((u32 *)&tstorm_client)[1]);
4575 }
4576
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004577 DP(BNX2X_MSG_OFF, "tstorm_client: 0x%08x 0x%08x\n",
4578 ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]);
Eliezer Tamir49d66772008-02-28 11:53:13 -08004579}
4580
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004581static void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
4582{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004583 struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004584 int mode = bp->rx_mode;
4585 int mask = (1 << BP_L_ID(bp));
4586 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004587 int i;
4588
4589 DP(NETIF_MSG_RX_STATUS, "rx mode is %d\n", mode);
4590
4591 switch (mode) {
4592 case BNX2X_RX_MODE_NONE: /* no Rx */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004593 tstorm_mac_filter.ucast_drop_all = mask;
4594 tstorm_mac_filter.mcast_drop_all = mask;
4595 tstorm_mac_filter.bcast_drop_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004596 break;
4597 case BNX2X_RX_MODE_NORMAL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004598 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004599 break;
4600 case BNX2X_RX_MODE_ALLMULTI:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004601 tstorm_mac_filter.mcast_accept_all = mask;
4602 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004603 break;
4604 case BNX2X_RX_MODE_PROMISC:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004605 tstorm_mac_filter.ucast_accept_all = mask;
4606 tstorm_mac_filter.mcast_accept_all = mask;
4607 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004608 break;
4609 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004610 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4611 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004612 }
4613
4614 for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) {
4615 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004616 TSTORM_MAC_FILTER_CONFIG_OFFSET(func) + i * 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004617 ((u32 *)&tstorm_mac_filter)[i]);
4618
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004619/* DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004620 ((u32 *)&tstorm_mac_filter)[i]); */
4621 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004622
Eliezer Tamir49d66772008-02-28 11:53:13 -08004623 if (mode != BNX2X_RX_MODE_NONE)
4624 bnx2x_set_client_config(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004625}
4626
4627static void bnx2x_init_internal(struct bnx2x *bp)
4628{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004629 struct tstorm_eth_function_common_config tstorm_config = {0};
4630 struct stats_indication_flags stats_flags = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004631 int port = BP_PORT(bp);
4632 int func = BP_FUNC(bp);
4633 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004634
4635 if (is_multi(bp)) {
4636 tstorm_config.config_flags = MULTI_FLAGS;
4637 tstorm_config.rss_result_mask = MULTI_MASK;
4638 }
4639
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004640 tstorm_config.leading_client_id = BP_L_ID(bp);
4641
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004642 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004643 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004644 (*(u32 *)&tstorm_config));
4645
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004646/* DP(NETIF_MSG_IFUP, "tstorm_config: 0x%08x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004647 (*(u32 *)&tstorm_config)); */
4648
Eliezer Tamirc14423f2008-02-28 11:49:42 -08004649 bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004650 bnx2x_set_storm_rx_mode(bp);
4651
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004652 stats_flags.collect_eth = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004653
4654 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(port),
4655 ((u32 *)&stats_flags)[0]);
4656 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(port) + 4,
4657 ((u32 *)&stats_flags)[1]);
4658
4659 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(port),
4660 ((u32 *)&stats_flags)[0]);
4661 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(port) + 4,
4662 ((u32 *)&stats_flags)[1]);
4663
4664 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(port),
4665 ((u32 *)&stats_flags)[0]);
4666 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(port) + 4,
4667 ((u32 *)&stats_flags)[1]);
4668
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004669/* DP(NETIF_MSG_IFUP, "stats_flags: 0x%08x 0x%08x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004670 ((u32 *)&stats_flags)[0], ((u32 *)&stats_flags)[1]); */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004671
4672 if (CHIP_IS_E1H(bp)) {
4673 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
4674 IS_E1HMF(bp));
4675 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
4676 IS_E1HMF(bp));
4677 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
4678 IS_E1HMF(bp));
4679 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
4680 IS_E1HMF(bp));
4681
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004682 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(func),
4683 bp->e1hov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004684 }
4685
4686 /* Zero this manualy as its initialization is
4687 currently missing in the initTool */
4688 for (i = 0; i < USTORM_AGG_DATA_SIZE >> 2; i++)
4689 REG_WR(bp, BAR_USTRORM_INTMEM +
4690 USTORM_AGG_DATA_OFFSET + 4*i, 0);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004691
4692 for_each_queue(bp, i) {
4693 struct bnx2x_fastpath *fp = &bp->fp[i];
4694 u16 max_agg_size;
4695
4696 REG_WR(bp, BAR_USTRORM_INTMEM +
4697 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)),
4698 U64_LO(fp->rx_comp_mapping));
4699 REG_WR(bp, BAR_USTRORM_INTMEM +
4700 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)) + 4,
4701 U64_HI(fp->rx_comp_mapping));
4702
4703 max_agg_size = min((u32)(bp->rx_buf_use_size +
4704 8*BCM_PAGE_SIZE*PAGES_PER_SGE),
4705 (u32)0xffff);
4706 REG_WR16(bp, BAR_USTRORM_INTMEM +
4707 USTORM_MAX_AGG_SIZE_OFFSET(port, FP_CL_ID(fp)),
4708 max_agg_size);
4709 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004710}
4711
4712static void bnx2x_nic_init(struct bnx2x *bp)
4713{
4714 int i;
4715
4716 for_each_queue(bp, i) {
4717 struct bnx2x_fastpath *fp = &bp->fp[i];
4718
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004719 fp->bp = bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004720 fp->state = BNX2X_FP_STATE_CLOSED;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004721 fp->index = i;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004722 fp->cl_id = BP_L_ID(bp) + i;
4723 fp->sb_id = fp->cl_id;
4724 DP(NETIF_MSG_IFUP,
4725 "bnx2x_init_sb(%p,%p) index %d cl_id %d sb %d\n",
4726 bp, fp->status_blk, i, FP_CL_ID(fp), FP_SB_ID(fp));
4727 bnx2x_init_sb(bp, FP_SB_ID(fp), fp->status_blk,
4728 fp->status_blk_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004729 }
4730
4731 bnx2x_init_def_sb(bp, bp->def_status_blk,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004732 bp->def_status_blk_mapping, DEF_SB_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004733 bnx2x_update_coalesce(bp);
4734 bnx2x_init_rx_rings(bp);
4735 bnx2x_init_tx_ring(bp);
4736 bnx2x_init_sp_ring(bp);
4737 bnx2x_init_context(bp);
4738 bnx2x_init_internal(bp);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004739 bnx2x_storm_stats_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004740 bnx2x_init_ind_table(bp);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08004741 bnx2x_int_enable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004742}
4743
4744/* end of nic init */
4745
4746/*
4747 * gzip service functions
4748 */
4749
4750static int bnx2x_gunzip_init(struct bnx2x *bp)
4751{
4752 bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE,
4753 &bp->gunzip_mapping);
4754 if (bp->gunzip_buf == NULL)
4755 goto gunzip_nomem1;
4756
4757 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4758 if (bp->strm == NULL)
4759 goto gunzip_nomem2;
4760
4761 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4762 GFP_KERNEL);
4763 if (bp->strm->workspace == NULL)
4764 goto gunzip_nomem3;
4765
4766 return 0;
4767
4768gunzip_nomem3:
4769 kfree(bp->strm);
4770 bp->strm = NULL;
4771
4772gunzip_nomem2:
4773 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4774 bp->gunzip_mapping);
4775 bp->gunzip_buf = NULL;
4776
4777gunzip_nomem1:
4778 printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for"
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004779 " un-compression\n", bp->dev->name);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004780 return -ENOMEM;
4781}
4782
4783static void bnx2x_gunzip_end(struct bnx2x *bp)
4784{
4785 kfree(bp->strm->workspace);
4786
4787 kfree(bp->strm);
4788 bp->strm = NULL;
4789
4790 if (bp->gunzip_buf) {
4791 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4792 bp->gunzip_mapping);
4793 bp->gunzip_buf = NULL;
4794 }
4795}
4796
4797static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len)
4798{
4799 int n, rc;
4800
4801 /* check gzip header */
4802 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED))
4803 return -EINVAL;
4804
4805 n = 10;
4806
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004807#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004808
4809 if (zbuf[3] & FNAME)
4810 while ((zbuf[n++] != 0) && (n < len));
4811
4812 bp->strm->next_in = zbuf + n;
4813 bp->strm->avail_in = len - n;
4814 bp->strm->next_out = bp->gunzip_buf;
4815 bp->strm->avail_out = FW_BUF_SIZE;
4816
4817 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4818 if (rc != Z_OK)
4819 return rc;
4820
4821 rc = zlib_inflate(bp->strm, Z_FINISH);
4822 if ((rc != Z_OK) && (rc != Z_STREAM_END))
4823 printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n",
4824 bp->dev->name, bp->strm->msg);
4825
4826 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4827 if (bp->gunzip_outlen & 0x3)
4828 printk(KERN_ERR PFX "%s: Firmware decompression error:"
4829 " gunzip_outlen (%d) not aligned\n",
4830 bp->dev->name, bp->gunzip_outlen);
4831 bp->gunzip_outlen >>= 2;
4832
4833 zlib_inflateEnd(bp->strm);
4834
4835 if (rc == Z_STREAM_END)
4836 return 0;
4837
4838 return rc;
4839}
4840
4841/* nic load/unload */
4842
4843/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004844 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004845 */
4846
4847/* send a NIG loopback debug packet */
4848static void bnx2x_lb_pckt(struct bnx2x *bp)
4849{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004850 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004851
4852 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004853 wb_write[0] = 0x55555555;
4854 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004855 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004856 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004857
4858 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004859 wb_write[0] = 0x09000000;
4860 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004861 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004862 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004863}
4864
4865/* some of the internal memories
4866 * are not directly readable from the driver
4867 * to test them we send debug packets
4868 */
4869static int bnx2x_int_mem_test(struct bnx2x *bp)
4870{
4871 int factor;
4872 int count, i;
4873 u32 val = 0;
4874
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004875 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004876 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004877 else if (CHIP_REV_IS_EMUL(bp))
4878 factor = 200;
4879 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004880 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004881
4882 DP(NETIF_MSG_HW, "start part1\n");
4883
4884 /* Disable inputs of parser neighbor blocks */
4885 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4886 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4887 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4888 NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x0);
4889
4890 /* Write 0 to parser credits for CFC search request */
4891 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4892
4893 /* send Ethernet packet */
4894 bnx2x_lb_pckt(bp);
4895
4896 /* TODO do i reset NIG statistic? */
4897 /* Wait until NIG register shows 1 packet of size 0x10 */
4898 count = 1000 * factor;
4899 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004900
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004901 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4902 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004903 if (val == 0x10)
4904 break;
4905
4906 msleep(10);
4907 count--;
4908 }
4909 if (val != 0x10) {
4910 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4911 return -1;
4912 }
4913
4914 /* Wait until PRS register shows 1 packet */
4915 count = 1000 * factor;
4916 while (count) {
4917 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004918 if (val == 1)
4919 break;
4920
4921 msleep(10);
4922 count--;
4923 }
4924 if (val != 0x1) {
4925 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4926 return -2;
4927 }
4928
4929 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004930 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004931 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004932 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004933 msleep(50);
4934 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
4935 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
4936
4937 DP(NETIF_MSG_HW, "part2\n");
4938
4939 /* Disable inputs of parser neighbor blocks */
4940 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4941 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4942 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4943 NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x0);
4944
4945 /* Write 0 to parser credits for CFC search request */
4946 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4947
4948 /* send 10 Ethernet packets */
4949 for (i = 0; i < 10; i++)
4950 bnx2x_lb_pckt(bp);
4951
4952 /* Wait until NIG register shows 10 + 1
4953 packets of size 11*0x10 = 0xb0 */
4954 count = 1000 * factor;
4955 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004956
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004957 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4958 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004959 if (val == 0xb0)
4960 break;
4961
4962 msleep(10);
4963 count--;
4964 }
4965 if (val != 0xb0) {
4966 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4967 return -3;
4968 }
4969
4970 /* Wait until PRS register shows 2 packets */
4971 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4972 if (val != 2)
4973 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4974
4975 /* Write 1 to parser credits for CFC search request */
4976 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
4977
4978 /* Wait until PRS register shows 3 packets */
4979 msleep(10 * factor);
4980 /* Wait until NIG register shows 1 packet of size 0x10 */
4981 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4982 if (val != 3)
4983 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4984
4985 /* clear NIG EOP FIFO */
4986 for (i = 0; i < 11; i++)
4987 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
4988 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
4989 if (val != 1) {
4990 BNX2X_ERR("clear of NIG failed\n");
4991 return -4;
4992 }
4993
4994 /* Reset and init BRB, PRS, NIG */
4995 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4996 msleep(50);
4997 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4998 msleep(50);
4999 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5000 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5001#ifndef BCM_ISCSI
5002 /* set NIC mode */
5003 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5004#endif
5005
5006 /* Enable inputs of parser neighbor blocks */
5007 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
5008 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
5009 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
5010 NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x1);
5011
5012 DP(NETIF_MSG_HW, "done\n");
5013
5014 return 0; /* OK */
5015}
5016
5017static void enable_blocks_attention(struct bnx2x *bp)
5018{
5019 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5020 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
5021 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5022 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5023 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
5024 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
5025 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
5026 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
5027 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005028/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
5029/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005030 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
5031 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
5032 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005033/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
5034/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005035 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
5036 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
5037 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
5038 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005039/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
5040/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
5041 if (CHIP_REV_IS_FPGA(bp))
5042 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
5043 else
5044 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005045 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
5046 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
5047 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005048/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
5049/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005050 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
5051 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005052/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
5053 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005054}
5055
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005056
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005057static int bnx2x_init_common(struct bnx2x *bp)
5058{
5059 u32 val, i;
5060
5061 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_FUNC(bp));
5062
5063 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
5064 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
5065
5066 bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END);
5067 if (CHIP_IS_E1H(bp))
5068 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_E1HMF(bp));
5069
5070 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100);
5071 msleep(30);
5072 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0);
5073
5074 bnx2x_init_block(bp, PXP_COMMON_START, PXP_COMMON_END);
5075 if (CHIP_IS_E1(bp)) {
5076 /* enable HW interrupt from PXP on USDM overflow
5077 bit 16 on INT_MASK_0 */
5078 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005079 }
5080
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005081 bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END);
5082 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005083
5084#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005085 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5086 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5087 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5088 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5089 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
5090 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005091
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005092/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5093 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5094 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5095 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5096 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005097#endif
5098
5099#ifndef BCM_ISCSI
5100 /* set NIC mode */
5101 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5102#endif
5103
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005104 REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005105#ifdef BCM_ISCSI
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005106 REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5);
5107 REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5);
5108 REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005109#endif
5110
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005111 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5112 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005113
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005114 /* let the HW do it's magic ... */
5115 msleep(100);
5116 /* finish PXP init */
5117 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5118 if (val != 1) {
5119 BNX2X_ERR("PXP2 CFG failed\n");
5120 return -EBUSY;
5121 }
5122 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5123 if (val != 1) {
5124 BNX2X_ERR("PXP2 RD_INIT failed\n");
5125 return -EBUSY;
5126 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005127
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005128 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5129 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005130
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005131 bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005132
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005133 /* clean the DMAE memory */
5134 bp->dmae_ready = 1;
5135 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005136
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005137 bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END);
5138 bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END);
5139 bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END);
5140 bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005141
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005142 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5143 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5144 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5145 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5146
5147 bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END);
5148 /* soft reset pulse */
5149 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5150 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005151
5152#ifdef BCM_ISCSI
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005153 bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005154#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005155
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005156 bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END);
5157 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_SHIFT);
5158 if (!CHIP_REV_IS_SLOW(bp)) {
5159 /* enable hw interrupt from doorbell Q */
5160 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5161 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005162
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005163 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5164 if (CHIP_REV_IS_SLOW(bp)) {
5165 /* fix for emulation and FPGA for no pause */
5166 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0, 513);
5167 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_1, 513);
5168 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0, 0);
5169 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_1, 0);
5170 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005171
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005172 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5173 if (CHIP_IS_E1H(bp))
5174 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_E1HMF(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005175
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005176 bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END);
5177 bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END);
5178 bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END);
5179 bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005180
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005181 if (CHIP_IS_E1H(bp)) {
5182 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5183 STORM_INTMEM_SIZE_E1H/2);
5184 bnx2x_init_fill(bp,
5185 TSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5186 0, STORM_INTMEM_SIZE_E1H/2);
5187 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5188 STORM_INTMEM_SIZE_E1H/2);
5189 bnx2x_init_fill(bp,
5190 CSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5191 0, STORM_INTMEM_SIZE_E1H/2);
5192 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5193 STORM_INTMEM_SIZE_E1H/2);
5194 bnx2x_init_fill(bp,
5195 XSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5196 0, STORM_INTMEM_SIZE_E1H/2);
5197 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5198 STORM_INTMEM_SIZE_E1H/2);
5199 bnx2x_init_fill(bp,
5200 USTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5201 0, STORM_INTMEM_SIZE_E1H/2);
5202 } else { /* E1 */
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005203 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5204 STORM_INTMEM_SIZE_E1);
5205 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5206 STORM_INTMEM_SIZE_E1);
5207 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5208 STORM_INTMEM_SIZE_E1);
5209 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5210 STORM_INTMEM_SIZE_E1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005211 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005212
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005213 bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END);
5214 bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END);
5215 bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END);
5216 bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005217
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005218 /* sync semi rtc */
5219 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5220 0x80000000);
5221 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5222 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005223
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005224 bnx2x_init_block(bp, UPB_COMMON_START, UPB_COMMON_END);
5225 bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END);
5226 bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005227
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005228 REG_WR(bp, SRC_REG_SOFT_RST, 1);
5229 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) {
5230 REG_WR(bp, i, 0xc0cac01a);
5231 /* TODO: replace with something meaningful */
5232 }
5233 if (CHIP_IS_E1H(bp))
5234 bnx2x_init_block(bp, SRCH_COMMON_START, SRCH_COMMON_END);
5235 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005236
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005237 if (sizeof(union cdu_context) != 1024)
5238 /* we currently assume that a context is 1024 bytes */
5239 printk(KERN_ALERT PFX "please adjust the size of"
5240 " cdu_context(%ld)\n", (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005241
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005242 bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END);
5243 val = (4 << 24) + (0 << 12) + 1024;
5244 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
5245 if (CHIP_IS_E1(bp)) {
5246 /* !!! fix pxp client crdit until excel update */
5247 REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264);
5248 REG_WR(bp, CDU_REG_CDU_DEBUG, 0);
5249 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005250
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005251 bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END);
5252 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005253
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005254 bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END);
5255 bnx2x_init_block(bp, MISC_AEU_COMMON_START, MISC_AEU_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005256
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005257 /* PXPCS COMMON comes here */
5258 /* Reset PCIE errors for debug */
5259 REG_WR(bp, 0x2814, 0xffffffff);
5260 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005261
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005262 /* EMAC0 COMMON comes here */
5263 /* EMAC1 COMMON comes here */
5264 /* DBU COMMON comes here */
5265 /* DBG COMMON comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005266
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005267 bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END);
5268 if (CHIP_IS_E1H(bp)) {
5269 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_E1HMF(bp));
5270 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_E1HMF(bp));
5271 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005272
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005273 if (CHIP_REV_IS_SLOW(bp))
5274 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005275
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005276 /* finish CFC init */
5277 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5278 if (val != 1) {
5279 BNX2X_ERR("CFC LL_INIT failed\n");
5280 return -EBUSY;
5281 }
5282 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5283 if (val != 1) {
5284 BNX2X_ERR("CFC AC_INIT failed\n");
5285 return -EBUSY;
5286 }
5287 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5288 if (val != 1) {
5289 BNX2X_ERR("CFC CAM_INIT failed\n");
5290 return -EBUSY;
5291 }
5292 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005293
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005294 /* read NIG statistic
5295 to see if this is our first up since powerup */
5296 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5297 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005298
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005299 /* do internal memory self test */
5300 if ((CHIP_IS_E1(bp)) && (val == 0) && bnx2x_int_mem_test(bp)) {
5301 BNX2X_ERR("internal mem self test failed\n");
5302 return -EBUSY;
5303 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005304
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005305 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
5306 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5307 /* Fan failure is indicated by SPIO 5 */
5308 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
5309 MISC_REGISTERS_SPIO_INPUT_HI_Z);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005310
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005311 /* set to active low mode */
5312 val = REG_RD(bp, MISC_REG_SPIO_INT);
5313 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Eliezer Tamirf1410642008-02-28 11:51:50 -08005314 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005315 REG_WR(bp, MISC_REG_SPIO_INT, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005316
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005317 /* enable interrupt to signal the IGU */
5318 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
5319 val |= (1 << MISC_REGISTERS_SPIO_5);
5320 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
5321 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08005322
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005323 default:
5324 break;
5325 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08005326
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005327 /* clear PXP2 attentions */
5328 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005329
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005330 enable_blocks_attention(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005331
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005332 if (bp->flags & TPA_ENABLE_FLAG) {
5333 struct tstorm_eth_tpa_exist tmp = {0};
5334
5335 tmp.tpa_exist = 1;
5336
5337 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET,
5338 ((u32 *)&tmp)[0]);
5339 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET + 4,
5340 ((u32 *)&tmp)[1]);
5341 }
5342
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005343 return 0;
5344}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005345
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005346static int bnx2x_init_port(struct bnx2x *bp)
5347{
5348 int port = BP_PORT(bp);
5349 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005350
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005351 DP(BNX2X_MSG_MCP, "starting port init port %x\n", port);
5352
5353 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005354
5355 /* Port PXP comes here */
5356 /* Port PXP2 comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005357#ifdef BCM_ISCSI
5358 /* Port0 1
5359 * Port1 385 */
5360 i++;
5361 wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping);
5362 wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping);
5363 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5364 REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i));
5365
5366 /* Port0 2
5367 * Port1 386 */
5368 i++;
5369 wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping);
5370 wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping);
5371 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5372 REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i));
5373
5374 /* Port0 3
5375 * Port1 387 */
5376 i++;
5377 wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping);
5378 wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping);
5379 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5380 REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i));
5381#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005382 /* Port CMs come here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005383
5384 /* Port QM comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005385#ifdef BCM_ISCSI
5386 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20);
5387 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31);
5388
5389 bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START,
5390 func ? TIMERS_PORT1_END : TIMERS_PORT0_END);
5391#endif
5392 /* Port DQ comes here */
5393 /* Port BRB1 comes here */
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005394 /* Port PRS comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005395 /* Port TSDM comes here */
5396 /* Port CSDM comes here */
5397 /* Port USDM comes here */
5398 /* Port XSDM comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005399 bnx2x_init_block(bp, port ? TSEM_PORT1_START : TSEM_PORT0_START,
5400 port ? TSEM_PORT1_END : TSEM_PORT0_END);
5401 bnx2x_init_block(bp, port ? USEM_PORT1_START : USEM_PORT0_START,
5402 port ? USEM_PORT1_END : USEM_PORT0_END);
5403 bnx2x_init_block(bp, port ? CSEM_PORT1_START : CSEM_PORT0_START,
5404 port ? CSEM_PORT1_END : CSEM_PORT0_END);
5405 bnx2x_init_block(bp, port ? XSEM_PORT1_START : XSEM_PORT0_START,
5406 port ? XSEM_PORT1_END : XSEM_PORT0_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005407 /* Port UPB comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005408 /* Port XPB comes here */
5409
5410 bnx2x_init_block(bp, port ? PBF_PORT1_START : PBF_PORT0_START,
5411 port ? PBF_PORT1_END : PBF_PORT0_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005412
5413 /* configure PBF to work without PAUSE mtu 9000 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005414 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005415
5416 /* update threshold */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005417 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005418 /* update init credit */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005419 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005420
5421 /* probe changes */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005422 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005423 msleep(5);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005424 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005425
5426#ifdef BCM_ISCSI
5427 /* tell the searcher where the T2 table is */
5428 REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64);
5429
5430 wb_write[0] = U64_LO(bp->t2_mapping);
5431 wb_write[1] = U64_HI(bp->t2_mapping);
5432 REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2);
5433 wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64);
5434 wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64);
5435 REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2);
5436
5437 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10);
5438 /* Port SRCH comes here */
5439#endif
5440 /* Port CDU comes here */
5441 /* Port CFC comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005442
5443 if (CHIP_IS_E1(bp)) {
5444 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5445 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5446 }
5447 bnx2x_init_block(bp, port ? HC_PORT1_START : HC_PORT0_START,
5448 port ? HC_PORT1_END : HC_PORT0_END);
5449
5450 bnx2x_init_block(bp, port ? MISC_AEU_PORT1_START :
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005451 MISC_AEU_PORT0_START,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005452 port ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END);
5453 /* init aeu_mask_attn_func_0/1:
5454 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5455 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5456 * bits 4-7 are used for "per vn group attention" */
5457 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4,
5458 (IS_E1HMF(bp) ? 0xF7 : 0x7));
5459
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005460 /* Port PXPCS comes here */
5461 /* Port EMAC0 comes here */
5462 /* Port EMAC1 comes here */
5463 /* Port DBU comes here */
5464 /* Port DBG comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005465 bnx2x_init_block(bp, port ? NIG_PORT1_START : NIG_PORT0_START,
5466 port ? NIG_PORT1_END : NIG_PORT0_END);
5467
5468 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5469
5470 if (CHIP_IS_E1H(bp)) {
5471 u32 wsum;
5472 struct cmng_struct_per_port m_cmng_port;
5473 int vn;
5474
5475 /* 0x2 disable e1hov, 0x1 enable */
5476 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
5477 (IS_E1HMF(bp) ? 0x1 : 0x2));
5478
5479 /* Init RATE SHAPING and FAIRNESS contexts.
5480 Initialize as if there is 10G link. */
5481 wsum = bnx2x_calc_vn_wsum(bp);
5482 bnx2x_init_port_minmax(bp, (int)wsum, 10000, &m_cmng_port);
5483 if (IS_E1HMF(bp))
5484 for (vn = VN_0; vn < E1HVN_MAX; vn++)
5485 bnx2x_init_vn_minmax(bp, 2*vn + port,
5486 wsum, 10000, &m_cmng_port);
5487 }
5488
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005489 /* Port MCP comes here */
5490 /* Port DMAE comes here */
5491
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005492 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08005493 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5494 /* add SPIO 5 to group 0 */
5495 val = REG_RD(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5496 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
5497 REG_WR(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0, val);
5498 break;
5499
5500 default:
5501 break;
5502 }
5503
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07005504 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005505
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005506 return 0;
5507}
5508
5509#define ILT_PER_FUNC (768/2)
5510#define FUNC_ILT_BASE(func) (func * ILT_PER_FUNC)
5511/* the phys address is shifted right 12 bits and has an added
5512 1=valid bit added to the 53rd bit
5513 then since this is a wide register(TM)
5514 we split it into two 32 bit writes
5515 */
5516#define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF))
5517#define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44)))
5518#define PXP_ONE_ILT(x) (((x) << 10) | x)
5519#define PXP_ILT_RANGE(f, l) (((l) << 10) | f)
5520
5521#define CNIC_ILT_LINES 0
5522
5523static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5524{
5525 int reg;
5526
5527 if (CHIP_IS_E1H(bp))
5528 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5529 else /* E1 */
5530 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
5531
5532 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5533}
5534
5535static int bnx2x_init_func(struct bnx2x *bp)
5536{
5537 int port = BP_PORT(bp);
5538 int func = BP_FUNC(bp);
5539 int i;
5540
5541 DP(BNX2X_MSG_MCP, "starting func init func %x\n", func);
5542
5543 i = FUNC_ILT_BASE(func);
5544
5545 bnx2x_ilt_wr(bp, i, bnx2x_sp_mapping(bp, context));
5546 if (CHIP_IS_E1H(bp)) {
5547 REG_WR(bp, PXP2_REG_RQ_CDU_FIRST_ILT, i);
5548 REG_WR(bp, PXP2_REG_RQ_CDU_LAST_ILT, i + CNIC_ILT_LINES);
5549 } else /* E1 */
5550 REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4,
5551 PXP_ILT_RANGE(i, i + CNIC_ILT_LINES));
5552
5553
5554 if (CHIP_IS_E1H(bp)) {
5555 for (i = 0; i < 9; i++)
5556 bnx2x_init_block(bp,
5557 cm_start[func][i], cm_end[func][i]);
5558
5559 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
5560 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->e1hov);
5561 }
5562
5563 /* HC init per function */
5564 if (CHIP_IS_E1H(bp)) {
5565 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5566
5567 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5568 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5569 }
5570 bnx2x_init_block(bp, hc_limits[func][0], hc_limits[func][1]);
5571
5572 if (CHIP_IS_E1H(bp))
5573 REG_WR(bp, HC_REG_FUNC_NUM_P0 + port*4, func);
5574
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005575 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005576 REG_WR(bp, 0x2114, 0xffffffff);
5577 REG_WR(bp, 0x2120, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005578
5579 return 0;
5580}
5581
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005582static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5583{
5584 int i, rc = 0;
5585
5586 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
5587 BP_FUNC(bp), load_code);
5588
5589 bp->dmae_ready = 0;
5590 mutex_init(&bp->dmae_mutex);
5591 bnx2x_gunzip_init(bp);
5592
5593 switch (load_code) {
5594 case FW_MSG_CODE_DRV_LOAD_COMMON:
5595 rc = bnx2x_init_common(bp);
5596 if (rc)
5597 goto init_hw_err;
5598 /* no break */
5599
5600 case FW_MSG_CODE_DRV_LOAD_PORT:
5601 bp->dmae_ready = 1;
5602 rc = bnx2x_init_port(bp);
5603 if (rc)
5604 goto init_hw_err;
5605 /* no break */
5606
5607 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5608 bp->dmae_ready = 1;
5609 rc = bnx2x_init_func(bp);
5610 if (rc)
5611 goto init_hw_err;
5612 break;
5613
5614 default:
5615 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5616 break;
5617 }
5618
5619 if (!BP_NOMCP(bp)) {
5620 int func = BP_FUNC(bp);
5621
5622 bp->fw_drv_pulse_wr_seq =
5623 (SHMEM_RD(bp, func_mb[func].drv_pulse_mb) &
5624 DRV_PULSE_SEQ_MASK);
5625 bp->func_stx = SHMEM_RD(bp, func_mb[func].fw_mb_param);
5626 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x func_stx 0x%x\n",
5627 bp->fw_drv_pulse_wr_seq, bp->func_stx);
5628 } else
5629 bp->func_stx = 0;
5630
5631 /* this needs to be done before gunzip end */
5632 bnx2x_zero_def_sb(bp);
5633 for_each_queue(bp, i)
5634 bnx2x_zero_sb(bp, BP_L_ID(bp) + i);
5635
5636init_hw_err:
5637 bnx2x_gunzip_end(bp);
5638
5639 return rc;
5640}
5641
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005642/* send the MCP a request, block until there is a reply */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005643static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
5644{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005645 int func = BP_FUNC(bp);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005646 u32 seq = ++bp->fw_seq;
5647 u32 rc = 0;
Eilon Greenstein19680c42008-08-13 15:47:33 -07005648 u32 cnt = 1;
5649 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005650
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005651 SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq));
Eliezer Tamirf1410642008-02-28 11:51:50 -08005652 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005653
Eilon Greenstein19680c42008-08-13 15:47:33 -07005654 do {
5655 /* let the FW do it's magic ... */
5656 msleep(delay);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005657
Eilon Greenstein19680c42008-08-13 15:47:33 -07005658 rc = SHMEM_RD(bp, func_mb[func].fw_mb_header);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005659
Eilon Greenstein19680c42008-08-13 15:47:33 -07005660 /* Give the FW up to 2 second (200*10ms) */
5661 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 200));
5662
5663 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
5664 cnt*delay, rc, seq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005665
5666 /* is this a reply to our command? */
5667 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) {
5668 rc &= FW_MSG_CODE_MASK;
Eliezer Tamirf1410642008-02-28 11:51:50 -08005669
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005670 } else {
5671 /* FW BUG! */
5672 BNX2X_ERR("FW failed to respond!\n");
5673 bnx2x_fw_dump(bp);
5674 rc = 0;
5675 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08005676
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005677 return rc;
5678}
5679
5680static void bnx2x_free_mem(struct bnx2x *bp)
5681{
5682
5683#define BNX2X_PCI_FREE(x, y, size) \
5684 do { \
5685 if (x) { \
5686 pci_free_consistent(bp->pdev, size, x, y); \
5687 x = NULL; \
5688 y = 0; \
5689 } \
5690 } while (0)
5691
5692#define BNX2X_FREE(x) \
5693 do { \
5694 if (x) { \
5695 vfree(x); \
5696 x = NULL; \
5697 } \
5698 } while (0)
5699
5700 int i;
5701
5702 /* fastpath */
5703 for_each_queue(bp, i) {
5704
5705 /* Status blocks */
5706 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk),
5707 bnx2x_fp(bp, i, status_blk_mapping),
5708 sizeof(struct host_status_block) +
5709 sizeof(struct eth_tx_db_data));
5710
5711 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5712 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
5713 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
5714 bnx2x_fp(bp, i, tx_desc_mapping),
5715 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5716
5717 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5718 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5719 bnx2x_fp(bp, i, rx_desc_mapping),
5720 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5721
5722 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5723 bnx2x_fp(bp, i, rx_comp_mapping),
5724 sizeof(struct eth_fast_path_rx_cqe) *
5725 NUM_RCQ_BD);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005726
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005727 /* SGE ring */
5728 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5729 bnx2x_fp(bp, i, rx_sge_mapping),
5730 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5731 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005732 /* end of fastpath */
5733
5734 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005735 sizeof(struct host_def_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005736
5737 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005738 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005739
5740#ifdef BCM_ISCSI
5741 BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024);
5742 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024);
5743 BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024);
5744 BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024);
5745#endif
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005746 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005747
5748#undef BNX2X_PCI_FREE
5749#undef BNX2X_KFREE
5750}
5751
5752static int bnx2x_alloc_mem(struct bnx2x *bp)
5753{
5754
5755#define BNX2X_PCI_ALLOC(x, y, size) \
5756 do { \
5757 x = pci_alloc_consistent(bp->pdev, size, y); \
5758 if (x == NULL) \
5759 goto alloc_mem_err; \
5760 memset(x, 0, size); \
5761 } while (0)
5762
5763#define BNX2X_ALLOC(x, size) \
5764 do { \
5765 x = vmalloc(size); \
5766 if (x == NULL) \
5767 goto alloc_mem_err; \
5768 memset(x, 0, size); \
5769 } while (0)
5770
5771 int i;
5772
5773 /* fastpath */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005774 for_each_queue(bp, i) {
5775 bnx2x_fp(bp, i, bp) = bp;
5776
5777 /* Status blocks */
5778 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk),
5779 &bnx2x_fp(bp, i, status_blk_mapping),
5780 sizeof(struct host_status_block) +
5781 sizeof(struct eth_tx_db_data));
5782
5783 bnx2x_fp(bp, i, hw_tx_prods) =
5784 (void *)(bnx2x_fp(bp, i, status_blk) + 1);
5785
5786 bnx2x_fp(bp, i, tx_prods_mapping) =
5787 bnx2x_fp(bp, i, status_blk_mapping) +
5788 sizeof(struct host_status_block);
5789
5790 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5791 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
5792 sizeof(struct sw_tx_bd) * NUM_TX_BD);
5793 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
5794 &bnx2x_fp(bp, i, tx_desc_mapping),
5795 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5796
5797 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
5798 sizeof(struct sw_rx_bd) * NUM_RX_BD);
5799 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
5800 &bnx2x_fp(bp, i, rx_desc_mapping),
5801 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5802
5803 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
5804 &bnx2x_fp(bp, i, rx_comp_mapping),
5805 sizeof(struct eth_fast_path_rx_cqe) *
5806 NUM_RCQ_BD);
5807
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005808 /* SGE ring */
5809 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
5810 sizeof(struct sw_rx_page) * NUM_RX_SGE);
5811 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
5812 &bnx2x_fp(bp, i, rx_sge_mapping),
5813 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005814 }
5815 /* end of fastpath */
5816
5817 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
5818 sizeof(struct host_def_status_block));
5819
5820 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5821 sizeof(struct bnx2x_slowpath));
5822
5823#ifdef BCM_ISCSI
5824 BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024);
5825
5826 /* Initialize T1 */
5827 for (i = 0; i < 64*1024; i += 64) {
5828 *(u64 *)((char *)bp->t1 + i + 56) = 0x0UL;
5829 *(u64 *)((char *)bp->t1 + i + 3) = 0x0UL;
5830 }
5831
5832 /* allocate searcher T2 table
5833 we allocate 1/4 of alloc num for T2
5834 (which is not entered into the ILT) */
5835 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024);
5836
5837 /* Initialize T2 */
5838 for (i = 0; i < 16*1024; i += 64)
5839 * (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64;
5840
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005841 /* now fixup the last line in the block to point to the next block */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005842 *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping;
5843
5844 /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */
5845 BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024);
5846
5847 /* QM queues (128*MAX_CONN) */
5848 BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024);
5849#endif
5850
5851 /* Slow path ring */
5852 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5853
5854 return 0;
5855
5856alloc_mem_err:
5857 bnx2x_free_mem(bp);
5858 return -ENOMEM;
5859
5860#undef BNX2X_PCI_ALLOC
5861#undef BNX2X_ALLOC
5862}
5863
5864static void bnx2x_free_tx_skbs(struct bnx2x *bp)
5865{
5866 int i;
5867
5868 for_each_queue(bp, i) {
5869 struct bnx2x_fastpath *fp = &bp->fp[i];
5870
5871 u16 bd_cons = fp->tx_bd_cons;
5872 u16 sw_prod = fp->tx_pkt_prod;
5873 u16 sw_cons = fp->tx_pkt_cons;
5874
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005875 while (sw_cons != sw_prod) {
5876 bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons));
5877 sw_cons++;
5878 }
5879 }
5880}
5881
5882static void bnx2x_free_rx_skbs(struct bnx2x *bp)
5883{
5884 int i, j;
5885
5886 for_each_queue(bp, j) {
5887 struct bnx2x_fastpath *fp = &bp->fp[j];
5888
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005889 for (i = 0; i < NUM_RX_BD; i++) {
5890 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i];
5891 struct sk_buff *skb = rx_buf->skb;
5892
5893 if (skb == NULL)
5894 continue;
5895
5896 pci_unmap_single(bp->pdev,
5897 pci_unmap_addr(rx_buf, mapping),
5898 bp->rx_buf_use_size,
5899 PCI_DMA_FROMDEVICE);
5900
5901 rx_buf->skb = NULL;
5902 dev_kfree_skb(skb);
5903 }
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005904 if (!fp->disable_tpa)
5905 bnx2x_free_tpa_pool(bp, fp,
5906 ETH_MAX_AGGREGATION_QUEUES_E1H);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005907 }
5908}
5909
5910static void bnx2x_free_skbs(struct bnx2x *bp)
5911{
5912 bnx2x_free_tx_skbs(bp);
5913 bnx2x_free_rx_skbs(bp);
5914}
5915
5916static void bnx2x_free_msix_irqs(struct bnx2x *bp)
5917{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005918 int i, offset = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005919
5920 free_irq(bp->msix_table[0].vector, bp->dev);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005921 DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005922 bp->msix_table[0].vector);
5923
5924 for_each_queue(bp, i) {
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005925 DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq "
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005926 "state %x\n", i, bp->msix_table[i + offset].vector,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005927 bnx2x_fp(bp, i, state));
5928
Eliezer Tamir228241e2008-02-28 11:56:57 -08005929 if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED)
5930 BNX2X_ERR("IRQ of fp #%d being freed while "
5931 "state != closed\n", i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005932
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005933 free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005934 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005935}
5936
5937static void bnx2x_free_irq(struct bnx2x *bp)
5938{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005939 if (bp->flags & USING_MSIX_FLAG) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005940 bnx2x_free_msix_irqs(bp);
5941 pci_disable_msix(bp->pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005942 bp->flags &= ~USING_MSIX_FLAG;
5943
5944 } else
5945 free_irq(bp->pdev->irq, bp->dev);
5946}
5947
5948static int bnx2x_enable_msix(struct bnx2x *bp)
5949{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005950 int i, rc, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005951
5952 bp->msix_table[0].entry = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005953 offset = 1;
5954 DP(NETIF_MSG_IFUP, "msix_table[0].entry = 0 (slowpath)\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005955
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005956 for_each_queue(bp, i) {
5957 int igu_vec = offset + i + BP_L_ID(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005958
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005959 bp->msix_table[i + offset].entry = igu_vec;
5960 DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d "
5961 "(fastpath #%u)\n", i + offset, igu_vec, i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005962 }
5963
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005964 rc = pci_enable_msix(bp->pdev, &bp->msix_table[0],
5965 bp->num_queues + offset);
5966 if (rc) {
5967 DP(NETIF_MSG_IFUP, "MSI-X is not attainable\n");
5968 return -1;
5969 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005970 bp->flags |= USING_MSIX_FLAG;
5971
5972 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005973}
5974
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005975static int bnx2x_req_msix_irqs(struct bnx2x *bp)
5976{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005977 int i, rc, offset = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005978
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005979 rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0,
5980 bp->dev->name, bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005981 if (rc) {
5982 BNX2X_ERR("request sp irq failed\n");
5983 return -EBUSY;
5984 }
5985
5986 for_each_queue(bp, i) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005987 rc = request_irq(bp->msix_table[i + offset].vector,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005988 bnx2x_msix_fp_int, 0,
5989 bp->dev->name, &bp->fp[i]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005990 if (rc) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005991 BNX2X_ERR("request fp #%d irq failed rc %d\n",
5992 i + offset, rc);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005993 bnx2x_free_msix_irqs(bp);
5994 return -EBUSY;
5995 }
5996
5997 bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005998 }
5999
6000 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006001}
6002
6003static int bnx2x_req_irq(struct bnx2x *bp)
6004{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006005 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006006
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006007 rc = request_irq(bp->pdev->irq, bnx2x_interrupt, IRQF_SHARED,
6008 bp->dev->name, bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006009 if (!rc)
6010 bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ;
6011
6012 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006013}
6014
6015/*
6016 * Init service functions
6017 */
6018
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006019static void bnx2x_set_mac_addr_e1(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006020{
6021 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006022 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006023
6024 /* CAM allocation
6025 * unicasts 0-31:port0 32-63:port1
6026 * multicast 64-127:port0 128-191:port1
6027 */
6028 config->hdr.length_6b = 2;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006029 config->hdr.offset = port ? 31 : 0;
6030 config->hdr.client_id = BP_CL_ID(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006031 config->hdr.reserved1 = 0;
6032
6033 /* primary MAC */
6034 config->config_table[0].cam_entry.msb_mac_addr =
6035 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6036 config->config_table[0].cam_entry.middle_mac_addr =
6037 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6038 config->config_table[0].cam_entry.lsb_mac_addr =
6039 swab16(*(u16 *)&bp->dev->dev_addr[4]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006040 config->config_table[0].cam_entry.flags = cpu_to_le16(port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006041 config->config_table[0].target_table_entry.flags = 0;
6042 config->config_table[0].target_table_entry.client_id = 0;
6043 config->config_table[0].target_table_entry.vlan_id = 0;
6044
6045 DP(NETIF_MSG_IFUP, "setting MAC (%04x:%04x:%04x)\n",
6046 config->config_table[0].cam_entry.msb_mac_addr,
6047 config->config_table[0].cam_entry.middle_mac_addr,
6048 config->config_table[0].cam_entry.lsb_mac_addr);
6049
6050 /* broadcast */
6051 config->config_table[1].cam_entry.msb_mac_addr = 0xffff;
6052 config->config_table[1].cam_entry.middle_mac_addr = 0xffff;
6053 config->config_table[1].cam_entry.lsb_mac_addr = 0xffff;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006054 config->config_table[1].cam_entry.flags = cpu_to_le16(port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006055 config->config_table[1].target_table_entry.flags =
6056 TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST;
6057 config->config_table[1].target_table_entry.client_id = 0;
6058 config->config_table[1].target_table_entry.vlan_id = 0;
6059
6060 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6061 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6062 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6063}
6064
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006065static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp)
6066{
6067 struct mac_configuration_cmd_e1h *config =
6068 (struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config);
6069
6070 if (bp->state != BNX2X_STATE_OPEN) {
6071 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
6072 return;
6073 }
6074
6075 /* CAM allocation for E1H
6076 * unicasts: by func number
6077 * multicast: 20+FUNC*20, 20 each
6078 */
6079 config->hdr.length_6b = 1;
6080 config->hdr.offset = BP_FUNC(bp);
6081 config->hdr.client_id = BP_CL_ID(bp);
6082 config->hdr.reserved1 = 0;
6083
6084 /* primary MAC */
6085 config->config_table[0].msb_mac_addr =
6086 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6087 config->config_table[0].middle_mac_addr =
6088 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6089 config->config_table[0].lsb_mac_addr =
6090 swab16(*(u16 *)&bp->dev->dev_addr[4]);
6091 config->config_table[0].client_id = BP_L_ID(bp);
6092 config->config_table[0].vlan_id = 0;
6093 config->config_table[0].e1hov_id = cpu_to_le16(bp->e1hov);
6094 config->config_table[0].flags = BP_PORT(bp);
6095
6096 DP(NETIF_MSG_IFUP, "setting MAC (%04x:%04x:%04x) E1HOV %d CLID %d\n",
6097 config->config_table[0].msb_mac_addr,
6098 config->config_table[0].middle_mac_addr,
6099 config->config_table[0].lsb_mac_addr, bp->e1hov, BP_L_ID(bp));
6100
6101 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6102 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6103 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6104}
6105
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006106static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6107 int *state_p, int poll)
6108{
6109 /* can take a while if any port is running */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006110 int cnt = 500;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006111
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006112 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6113 poll ? "polling" : "waiting", state, idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006114
6115 might_sleep();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006116 while (cnt--) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006117 if (poll) {
6118 bnx2x_rx_int(bp->fp, 10);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006119 /* if index is different from 0
6120 * the reply for some commands will
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006121 * be on the none default queue
6122 */
6123 if (idx)
6124 bnx2x_rx_int(&bp->fp[idx], 10);
6125 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006126 mb(); /* state is changed by bnx2x_sp_event() */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006127
Eliezer Tamir49d66772008-02-28 11:53:13 -08006128 if (*state_p == state)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006129 return 0;
6130
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006131 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006132 }
6133
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006134 /* timeout! */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006135 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6136 poll ? "polling" : "waiting", state, idx);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006137#ifdef BNX2X_STOP_ON_ERROR
6138 bnx2x_panic();
6139#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006140
Eliezer Tamir49d66772008-02-28 11:53:13 -08006141 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006142}
6143
6144static int bnx2x_setup_leading(struct bnx2x *bp)
6145{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006146 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006147
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006148 /* reset IGU state */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006149 bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006150
6151 /* SETUP ramrod */
6152 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0);
6153
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006154 /* Wait for completion */
6155 rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006156
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006157 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006158}
6159
6160static int bnx2x_setup_multi(struct bnx2x *bp, int index)
6161{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006162 /* reset IGU state */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006163 bnx2x_ack_sb(bp, bp->fp[index].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006164
Eliezer Tamir228241e2008-02-28 11:56:57 -08006165 /* SETUP ramrod */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006166 bp->fp[index].state = BNX2X_FP_STATE_OPENING;
6167 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0);
6168
6169 /* Wait for completion */
6170 return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index,
Eliezer Tamir228241e2008-02-28 11:56:57 -08006171 &(bp->fp[index].state), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006172}
6173
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006174static int bnx2x_poll(struct napi_struct *napi, int budget);
6175static void bnx2x_set_rx_mode(struct net_device *dev);
6176
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006177/* must be called with rtnl_lock */
6178static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006179{
Eliezer Tamir228241e2008-02-28 11:56:57 -08006180 u32 load_code;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006181 int i, rc;
6182
6183#ifdef BNX2X_STOP_ON_ERROR
6184 if (unlikely(bp->panic))
6185 return -EPERM;
6186#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006187
6188 bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;
6189
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006190 /* Send LOAD_REQUEST command to MCP
6191 Returns the type of LOAD command:
6192 if it is the first port to be initialized
6193 common blocks should be initialized, otherwise - not
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006194 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006195 if (!BP_NOMCP(bp)) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08006196 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ);
6197 if (!load_code) {
6198 BNX2X_ERR("MCP response failure, unloading\n");
6199 return -EBUSY;
6200 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006201 if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006202 return -EBUSY; /* other port in diagnostic mode */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006203
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006204 } else {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006205 DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n",
6206 load_count[0], load_count[1], load_count[2]);
6207 load_count[0]++;
6208 load_count[1 + BP_PORT(bp)]++;
6209 DP(NETIF_MSG_IFUP, "NO MCP new load counts %d, %d, %d\n",
6210 load_count[0], load_count[1], load_count[2]);
6211 if (load_count[0] == 1)
6212 load_code = FW_MSG_CODE_DRV_LOAD_COMMON;
6213 else if (load_count[1 + BP_PORT(bp)] == 1)
6214 load_code = FW_MSG_CODE_DRV_LOAD_PORT;
6215 else
6216 load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006217 }
6218
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006219 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) ||
6220 (load_code == FW_MSG_CODE_DRV_LOAD_PORT))
6221 bp->port.pmf = 1;
6222 else
6223 bp->port.pmf = 0;
6224 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
6225
6226 /* if we can't use MSI-X we only need one fp,
6227 * so try to enable MSI-X with the requested number of fp's
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006228 * and fallback to inta with one fp
6229 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006230 if (use_inta) {
6231 bp->num_queues = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006232
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006233 } else {
6234 if ((use_multi > 1) && (use_multi <= BP_MAX_QUEUES(bp)))
6235 /* user requested number */
6236 bp->num_queues = use_multi;
6237
6238 else if (use_multi)
6239 bp->num_queues = min_t(u32, num_online_cpus(),
6240 BP_MAX_QUEUES(bp));
6241 else
6242 bp->num_queues = 1;
6243
6244 if (bnx2x_enable_msix(bp)) {
6245 /* failed to enable MSI-X */
6246 bp->num_queues = 1;
6247 if (use_multi)
6248 BNX2X_ERR("Multi requested but failed"
6249 " to enable MSI-X\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006250 }
6251 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006252 DP(NETIF_MSG_IFUP,
6253 "set number of queues to %d\n", bp->num_queues);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006254
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006255 if (bnx2x_alloc_mem(bp))
6256 return -ENOMEM;
6257
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006258 for_each_queue(bp, i)
6259 bnx2x_fp(bp, i, disable_tpa) =
6260 ((bp->flags & TPA_ENABLE_FLAG) == 0);
6261
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006262 /* Disable interrupt handling until HW is initialized */
6263 atomic_set(&bp->intr_sem, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006264
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006265 if (bp->flags & USING_MSIX_FLAG) {
6266 rc = bnx2x_req_msix_irqs(bp);
6267 if (rc) {
6268 pci_disable_msix(bp->pdev);
6269 goto load_error;
6270 }
6271 } else {
6272 bnx2x_ack_int(bp);
6273 rc = bnx2x_req_irq(bp);
6274 if (rc) {
6275 BNX2X_ERR("IRQ request failed, aborting\n");
6276 goto load_error;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006277 }
6278 }
6279
6280 for_each_queue(bp, i)
6281 netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
6282 bnx2x_poll, 128);
6283
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006284 /* Initialize HW */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006285 rc = bnx2x_init_hw(bp, load_code);
6286 if (rc) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006287 BNX2X_ERR("HW init failed, aborting\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08006288 goto load_error;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006289 }
6290
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006291 /* Enable interrupt handling */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006292 atomic_set(&bp->intr_sem, 0);
6293
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006294 /* Setup NIC internals and enable interrupts */
6295 bnx2x_nic_init(bp);
6296
6297 /* Send LOAD_DONE command to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006298 if (!BP_NOMCP(bp)) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08006299 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE);
6300 if (!load_code) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006301 BNX2X_ERR("MCP response failure, unloading\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006302 rc = -EBUSY;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006303 goto load_int_disable;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006304 }
6305 }
6306
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07006307 bnx2x_stats_init(bp);
6308
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006309 bp->state = BNX2X_STATE_OPENING_WAIT4_PORT;
6310
6311 /* Enable Rx interrupt handling before sending the ramrod
6312 as it's completed on Rx FP queue */
6313 for_each_queue(bp, i)
6314 napi_enable(&bnx2x_fp(bp, i, napi));
6315
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006316 rc = bnx2x_setup_leading(bp);
6317 if (rc) {
6318#ifdef BNX2X_STOP_ON_ERROR
6319 bp->panic = 1;
6320#endif
Eliezer Tamir228241e2008-02-28 11:56:57 -08006321 goto load_stop_netif;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006322 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006323
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006324 if (CHIP_IS_E1H(bp))
6325 if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) {
6326 BNX2X_ERR("!!! mf_cfg function disabled\n");
6327 bp->state = BNX2X_STATE_DISABLED;
6328 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006329
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006330 if (bp->state == BNX2X_STATE_OPEN)
6331 for_each_nondefault_queue(bp, i) {
6332 rc = bnx2x_setup_multi(bp, i);
6333 if (rc)
6334 goto load_stop_netif;
6335 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006336
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006337 if (CHIP_IS_E1(bp))
6338 bnx2x_set_mac_addr_e1(bp);
6339 else
6340 bnx2x_set_mac_addr_e1h(bp);
6341
6342 if (bp->port.pmf)
6343 bnx2x_initial_phy_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006344
6345 /* Start fast path */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006346 switch (load_mode) {
6347 case LOAD_NORMAL:
6348 /* Tx queue should be only reenabled */
6349 netif_wake_queue(bp->dev);
6350 bnx2x_set_rx_mode(bp->dev);
6351 break;
6352
6353 case LOAD_OPEN:
6354 /* IRQ is only requested from bnx2x_open */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006355 netif_start_queue(bp->dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006356 bnx2x_set_rx_mode(bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006357 if (bp->flags & USING_MSIX_FLAG)
6358 printk(KERN_INFO PFX "%s: using MSI-X\n",
6359 bp->dev->name);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006360 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006361
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006362 case LOAD_DIAG:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006363 bnx2x_set_rx_mode(bp->dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006364 bp->state = BNX2X_STATE_DIAG;
6365 break;
6366
6367 default:
6368 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006369 }
6370
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006371 if (!bp->port.pmf)
6372 bnx2x__link_status_update(bp);
6373
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006374 /* start the timer */
6375 mod_timer(&bp->timer, jiffies + bp->current_interval);
6376
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006377
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006378 return 0;
6379
Eliezer Tamir228241e2008-02-28 11:56:57 -08006380load_stop_netif:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006381 for_each_queue(bp, i)
6382 napi_disable(&bnx2x_fp(bp, i, napi));
6383
Eliezer Tamir228241e2008-02-28 11:56:57 -08006384load_int_disable:
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08006385 bnx2x_int_disable_sync(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006386
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006387 /* Release IRQs */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006388 bnx2x_free_irq(bp);
6389
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006390 /* Free SKBs, SGEs, TPA pool and driver internals */
6391 bnx2x_free_skbs(bp);
6392 for_each_queue(bp, i)
6393 bnx2x_free_rx_sge_range(bp, bp->fp + i,
6394 RX_SGE_CNT*NUM_RX_SGE_PAGES);
Eliezer Tamir228241e2008-02-28 11:56:57 -08006395load_error:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006396 bnx2x_free_mem(bp);
6397
6398 /* TBD we really need to reset the chip
6399 if we want to recover from this */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006400 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006401}
6402
6403static int bnx2x_stop_multi(struct bnx2x *bp, int index)
6404{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006405 int rc;
6406
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006407 /* halt the connection */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006408 bp->fp[index].state = BNX2X_FP_STATE_HALTING;
6409 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, 0, 0);
6410
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006411 /* Wait for completion */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006412 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006413 &(bp->fp[index].state), 1);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006414 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006415 return rc;
6416
6417 /* delete cfc entry */
6418 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1);
6419
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006420 /* Wait for completion */
6421 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index,
6422 &(bp->fp[index].state), 1);
6423 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006424}
6425
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006426static void bnx2x_stop_leading(struct bnx2x *bp)
6427{
Eliezer Tamir49d66772008-02-28 11:53:13 -08006428 u16 dsb_sp_prod_idx;
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006429 /* if the other port is handling traffic,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006430 this can take a lot of time */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006431 int cnt = 500;
6432 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006433
6434 might_sleep();
6435
6436 /* Send HALT ramrod */
6437 bp->fp[0].state = BNX2X_FP_STATE_HALTING;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006438 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, BP_CL_ID(bp), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006439
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006440 /* Wait for completion */
6441 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0,
6442 &(bp->fp[0].state), 1);
6443 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006444 return;
6445
Eliezer Tamir49d66772008-02-28 11:53:13 -08006446 dsb_sp_prod_idx = *bp->dsb_sp_prod;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006447
Eliezer Tamir228241e2008-02-28 11:56:57 -08006448 /* Send PORT_DELETE ramrod */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006449 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1);
6450
Eliezer Tamir49d66772008-02-28 11:53:13 -08006451 /* Wait for completion to arrive on default status block
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006452 we are going to reset the chip anyway
6453 so there is not much to do if this times out
6454 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006455 while (dsb_sp_prod_idx == *bp->dsb_sp_prod) {
Eliezer Tamir49d66772008-02-28 11:53:13 -08006456 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006457 if (!cnt) {
6458 DP(NETIF_MSG_IFDOWN, "timeout waiting for port del "
6459 "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n",
6460 *bp->dsb_sp_prod, dsb_sp_prod_idx);
6461#ifdef BNX2X_STOP_ON_ERROR
6462 bnx2x_panic();
6463#endif
6464 break;
6465 }
6466 cnt--;
Eliezer Tamir49d66772008-02-28 11:53:13 -08006467 }
6468 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
6469 bp->fp[0].state = BNX2X_FP_STATE_CLOSED;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006470}
6471
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006472static void bnx2x_reset_func(struct bnx2x *bp)
6473{
6474 int port = BP_PORT(bp);
6475 int func = BP_FUNC(bp);
6476 int base, i;
Eliezer Tamir49d66772008-02-28 11:53:13 -08006477
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006478 /* Configure IGU */
6479 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6480 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6481
6482 REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000);
6483
6484 /* Clear ILT */
6485 base = FUNC_ILT_BASE(func);
6486 for (i = base; i < base + ILT_PER_FUNC; i++)
6487 bnx2x_ilt_wr(bp, i, 0);
6488}
6489
6490static void bnx2x_reset_port(struct bnx2x *bp)
6491{
6492 int port = BP_PORT(bp);
6493 u32 val;
6494
6495 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6496
6497 /* Do not rcv packets to BRB */
6498 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6499 /* Do not direct rcv packets that are not for MCP to the BRB */
6500 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6501 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6502
6503 /* Configure AEU */
6504 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6505
6506 msleep(100);
6507 /* Check for BRB port occupancy */
6508 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6509 if (val)
6510 DP(NETIF_MSG_IFDOWN,
6511 "BRB1 is not empty %d blooks are occupied\n", val);
6512
6513 /* TODO: Close Doorbell port? */
6514}
6515
6516static void bnx2x_reset_common(struct bnx2x *bp)
6517{
6518 /* reset_common */
6519 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6520 0xd3ffff7f);
6521 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
6522}
6523
6524static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6525{
6526 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
6527 BP_FUNC(bp), reset_code);
6528
6529 switch (reset_code) {
6530 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
6531 bnx2x_reset_port(bp);
6532 bnx2x_reset_func(bp);
6533 bnx2x_reset_common(bp);
6534 break;
6535
6536 case FW_MSG_CODE_DRV_UNLOAD_PORT:
6537 bnx2x_reset_port(bp);
6538 bnx2x_reset_func(bp);
6539 break;
6540
6541 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
6542 bnx2x_reset_func(bp);
6543 break;
6544
6545 default:
6546 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
6547 break;
6548 }
6549}
6550
6551/* msut be called with rtnl_lock */
6552static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006553{
6554 u32 reset_code = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006555 int i, cnt;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006556
6557 bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;
6558
Eliezer Tamir228241e2008-02-28 11:56:57 -08006559 bp->rx_mode = BNX2X_RX_MODE_NONE;
6560 bnx2x_set_storm_rx_mode(bp);
6561
6562 if (netif_running(bp->dev)) {
6563 netif_tx_disable(bp->dev);
6564 bp->dev->trans_start = jiffies; /* prevent tx timeout */
6565 }
6566
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006567 del_timer_sync(&bp->timer);
6568 SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb,
6569 (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq));
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07006570 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006571
Eliezer Tamir228241e2008-02-28 11:56:57 -08006572 /* Wait until all fast path tasks complete */
6573 for_each_queue(bp, i) {
6574 struct bnx2x_fastpath *fp = &bp->fp[i];
6575
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006576#ifdef BNX2X_STOP_ON_ERROR
6577#ifdef __powerpc64__
6578 DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%lx\n",
6579#else
6580 DP(NETIF_MSG_IFDOWN, "fp->tpa_queue_used = 0x%llx\n",
6581#endif
6582 fp->tpa_queue_used);
6583#endif
6584 cnt = 1000;
6585 smp_rmb();
6586 while (bnx2x_has_work(fp)) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08006587 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006588 if (!cnt) {
6589 BNX2X_ERR("timeout waiting for queue[%d]\n",
6590 i);
6591#ifdef BNX2X_STOP_ON_ERROR
6592 bnx2x_panic();
6593 return -EBUSY;
6594#else
6595 break;
6596#endif
6597 }
6598 cnt--;
6599 smp_rmb();
6600 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08006601 }
6602
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006603 /* Wait until all slow path tasks complete */
6604 cnt = 1000;
6605 while ((bp->spq_left != MAX_SPQ_PENDING) && cnt--)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006606 msleep(1);
6607
Eliezer Tamir228241e2008-02-28 11:56:57 -08006608 for_each_queue(bp, i)
6609 napi_disable(&bnx2x_fp(bp, i, napi));
6610 /* Disable interrupts after Tx and Rx are disabled on stack level */
6611 bnx2x_int_disable_sync(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006612
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006613 /* Release IRQs */
6614 bnx2x_free_irq(bp);
6615
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006616 if (bp->flags & NO_WOL_FLAG)
6617 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006618
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006619 else if (bp->wol) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006620 u32 emac_base = BP_PORT(bp) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006621 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006622 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006623
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006624 /* The mac address is written to entries 1-4 to
6625 preserve entry 0 which is used by the PMF */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006626 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006627 EMAC_WR(EMAC_REG_EMAC_MAC_MATCH + (BP_E1HVN(bp) + 1)*8, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006628
6629 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
6630 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006631 EMAC_WR(EMAC_REG_EMAC_MAC_MATCH + (BP_E1HVN(bp) + 1)*8 + 4,
6632 val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006633
6634 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006635
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006636 } else
6637 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6638
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006639 /* Close multi and leading connections
6640 Completions for ramrods are collected in a synchronous way */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006641 for_each_nondefault_queue(bp, i)
6642 if (bnx2x_stop_multi(bp, i))
Eliezer Tamir228241e2008-02-28 11:56:57 -08006643 goto unload_error;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006644
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006645 if (CHIP_IS_E1H(bp))
6646 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + BP_PORT(bp)*8, 0);
6647
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006648 bnx2x_stop_leading(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006649#ifdef BNX2X_STOP_ON_ERROR
6650 /* If ramrod completion timed out - break here! */
6651 if (bp->panic) {
6652 BNX2X_ERR("Stop leading failed!\n");
6653 return -EBUSY;
6654 }
6655#endif
6656
Eliezer Tamir228241e2008-02-28 11:56:57 -08006657 if ((bp->state != BNX2X_STATE_CLOSING_WAIT4_UNLOAD) ||
6658 (bp->fp[0].state != BNX2X_FP_STATE_CLOSED)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006659 DP(NETIF_MSG_IFDOWN, "failed to close leading properly! "
6660 "state 0x%x fp[0].state 0x%x\n",
Eliezer Tamir228241e2008-02-28 11:56:57 -08006661 bp->state, bp->fp[0].state);
6662 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006663
Eliezer Tamir228241e2008-02-28 11:56:57 -08006664unload_error:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006665 if (!BP_NOMCP(bp))
Eliezer Tamir228241e2008-02-28 11:56:57 -08006666 reset_code = bnx2x_fw_command(bp, reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006667 else {
6668 DP(NETIF_MSG_IFDOWN, "NO MCP load counts %d, %d, %d\n",
6669 load_count[0], load_count[1], load_count[2]);
6670 load_count[0]--;
6671 load_count[1 + BP_PORT(bp)]--;
6672 DP(NETIF_MSG_IFDOWN, "NO MCP new load counts %d, %d, %d\n",
6673 load_count[0], load_count[1], load_count[2]);
6674 if (load_count[0] == 0)
6675 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
6676 else if (load_count[1 + BP_PORT(bp)] == 0)
6677 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
6678 else
6679 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
6680 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006681
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006682 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
6683 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
6684 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006685
6686 /* Reset the chip */
Eliezer Tamir228241e2008-02-28 11:56:57 -08006687 bnx2x_reset_chip(bp, reset_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006688
6689 /* Report UNLOAD_DONE to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006690 if (!BP_NOMCP(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006691 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6692
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006693 /* Free SKBs, SGEs, TPA pool and driver internals */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006694 bnx2x_free_skbs(bp);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006695 for_each_queue(bp, i)
6696 bnx2x_free_rx_sge_range(bp, bp->fp + i,
6697 RX_SGE_CNT*NUM_RX_SGE_PAGES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006698 bnx2x_free_mem(bp);
6699
6700 bp->state = BNX2X_STATE_CLOSED;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006701
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006702 netif_carrier_off(bp->dev);
6703
6704 return 0;
6705}
6706
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006707static void bnx2x_reset_task(struct work_struct *work)
6708{
6709 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task);
6710
6711#ifdef BNX2X_STOP_ON_ERROR
6712 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
6713 " so reset not done to allow debug dump,\n"
6714 KERN_ERR " you will need to reboot when done\n");
6715 return;
6716#endif
6717
6718 rtnl_lock();
6719
6720 if (!netif_running(bp->dev))
6721 goto reset_task_exit;
6722
6723 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
6724 bnx2x_nic_load(bp, LOAD_NORMAL);
6725
6726reset_task_exit:
6727 rtnl_unlock();
6728}
6729
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006730/* end of nic load/unload */
6731
6732/* ethtool_ops */
6733
6734/*
6735 * Init service functions
6736 */
6737
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006738static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006739{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006740 u32 val;
6741
6742 /* Check if there is any driver already loaded */
6743 val = REG_RD(bp, MISC_REG_UNPREPARED);
6744 if (val == 0x1) {
6745 /* Check if it is the UNDI driver
6746 * UNDI driver initializes CID offset for normal bell to 0x7
6747 */
6748 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
6749 if (val == 0x7) {
6750 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6751 /* save our func and fw_seq */
6752 int func = BP_FUNC(bp);
6753 u16 fw_seq = bp->fw_seq;
6754
6755 BNX2X_DEV_INFO("UNDI is active! reset device\n");
6756
6757 /* try unload UNDI on port 0 */
6758 bp->func = 0;
6759 bp->fw_seq = (SHMEM_RD(bp,
6760 func_mb[bp->func].drv_mb_header) &
6761 DRV_MSG_SEQ_NUMBER_MASK);
6762
6763 reset_code = bnx2x_fw_command(bp, reset_code);
6764 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6765
6766 /* if UNDI is loaded on the other port */
6767 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
6768
6769 bp->func = 1;
6770 bp->fw_seq = (SHMEM_RD(bp,
6771 func_mb[bp->func].drv_mb_header) &
6772 DRV_MSG_SEQ_NUMBER_MASK);
6773
6774 bnx2x_fw_command(bp,
6775 DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS);
6776 bnx2x_fw_command(bp,
6777 DRV_MSG_CODE_UNLOAD_DONE);
6778
6779 /* restore our func and fw_seq */
6780 bp->func = func;
6781 bp->fw_seq = fw_seq;
6782 }
6783
6784 /* reset device */
6785 REG_WR(bp,
6786 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6787 0xd3ffff7f);
6788 REG_WR(bp,
6789 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
6790 0x1403);
6791 }
6792 }
6793}
6794
6795static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
6796{
6797 u32 val, val2, val3, val4, id;
6798
6799 /* Get the chip revision id and number. */
6800 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
6801 val = REG_RD(bp, MISC_REG_CHIP_NUM);
6802 id = ((val & 0xffff) << 16);
6803 val = REG_RD(bp, MISC_REG_CHIP_REV);
6804 id |= ((val & 0xf) << 12);
6805 val = REG_RD(bp, MISC_REG_CHIP_METAL);
6806 id |= ((val & 0xff) << 4);
6807 REG_RD(bp, MISC_REG_BOND_ID);
6808 id |= (val & 0xf);
6809 bp->common.chip_id = id;
6810 bp->link_params.chip_id = bp->common.chip_id;
6811 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
6812
6813 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
6814 bp->common.flash_size = (NVRAM_1MB_SIZE <<
6815 (val & MCPR_NVM_CFG4_FLASH_SIZE));
6816 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
6817 bp->common.flash_size, bp->common.flash_size);
6818
6819 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
6820 bp->link_params.shmem_base = bp->common.shmem_base;
6821 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
6822
6823 if (!bp->common.shmem_base ||
6824 (bp->common.shmem_base < 0xA0000) ||
6825 (bp->common.shmem_base >= 0xC0000)) {
6826 BNX2X_DEV_INFO("MCP not active\n");
6827 bp->flags |= NO_MCP_FLAG;
6828 return;
6829 }
6830
6831 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
6832 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6833 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6834 BNX2X_ERR("BAD MCP validity signature\n");
6835
6836 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
6837 bp->common.board = SHMEM_RD(bp, dev_info.shared_hw_config.board);
6838
6839 BNX2X_DEV_INFO("hw_config 0x%08x board 0x%08x\n",
6840 bp->common.hw_config, bp->common.board);
6841
6842 bp->link_params.hw_led_mode = ((bp->common.hw_config &
6843 SHARED_HW_CFG_LED_MODE_MASK) >>
6844 SHARED_HW_CFG_LED_MODE_SHIFT);
6845
6846 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
6847 bp->common.bc_ver = val;
6848 BNX2X_DEV_INFO("bc_ver %X\n", val);
6849 if (val < BNX2X_BC_VER) {
6850 /* for now only warn
6851 * later we might need to enforce this */
6852 BNX2X_ERR("This driver needs bc_ver %X but found %X,"
6853 " please upgrade BC\n", BNX2X_BC_VER, val);
6854 }
6855 BNX2X_DEV_INFO("%sWoL Capable\n",
6856 (bp->flags & NO_WOL_FLAG)? "Not " : "");
6857
6858 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
6859 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
6860 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
6861 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
6862
6863 printk(KERN_INFO PFX "part number %X-%X-%X-%X\n",
6864 val, val2, val3, val4);
6865}
6866
6867static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
6868 u32 switch_cfg)
6869{
6870 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006871 u32 ext_phy_type;
6872
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006873 switch (switch_cfg) {
6874 case SWITCH_CFG_1G:
6875 BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg);
6876
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07006877 ext_phy_type =
6878 SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006879 switch (ext_phy_type) {
6880 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
6881 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
6882 ext_phy_type);
6883
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006884 bp->port.supported |= (SUPPORTED_10baseT_Half |
6885 SUPPORTED_10baseT_Full |
6886 SUPPORTED_100baseT_Half |
6887 SUPPORTED_100baseT_Full |
6888 SUPPORTED_1000baseT_Full |
6889 SUPPORTED_2500baseX_Full |
6890 SUPPORTED_TP |
6891 SUPPORTED_FIBRE |
6892 SUPPORTED_Autoneg |
6893 SUPPORTED_Pause |
6894 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006895 break;
6896
6897 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
6898 BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n",
6899 ext_phy_type);
6900
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006901 bp->port.supported |= (SUPPORTED_10baseT_Half |
6902 SUPPORTED_10baseT_Full |
6903 SUPPORTED_100baseT_Half |
6904 SUPPORTED_100baseT_Full |
6905 SUPPORTED_1000baseT_Full |
6906 SUPPORTED_TP |
6907 SUPPORTED_FIBRE |
6908 SUPPORTED_Autoneg |
6909 SUPPORTED_Pause |
6910 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006911 break;
6912
6913 default:
6914 BNX2X_ERR("NVRAM config error. "
6915 "BAD SerDes ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07006916 bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006917 return;
6918 }
6919
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006920 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
6921 port*0x10);
6922 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006923 break;
6924
6925 case SWITCH_CFG_10G:
6926 BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg);
6927
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07006928 ext_phy_type =
6929 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006930 switch (ext_phy_type) {
6931 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
6932 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
6933 ext_phy_type);
6934
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006935 bp->port.supported |= (SUPPORTED_10baseT_Half |
6936 SUPPORTED_10baseT_Full |
6937 SUPPORTED_100baseT_Half |
6938 SUPPORTED_100baseT_Full |
6939 SUPPORTED_1000baseT_Full |
6940 SUPPORTED_2500baseX_Full |
6941 SUPPORTED_10000baseT_Full |
6942 SUPPORTED_TP |
6943 SUPPORTED_FIBRE |
6944 SUPPORTED_Autoneg |
6945 SUPPORTED_Pause |
6946 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006947 break;
6948
6949 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
Eliezer Tamirf1410642008-02-28 11:51:50 -08006950 BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006951 ext_phy_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006952
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006953 bp->port.supported |= (SUPPORTED_10000baseT_Full |
6954 SUPPORTED_FIBRE |
6955 SUPPORTED_Pause |
6956 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006957 break;
6958
Eliezer Tamirf1410642008-02-28 11:51:50 -08006959 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
6960 BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n",
6961 ext_phy_type);
6962
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006963 bp->port.supported |= (SUPPORTED_10000baseT_Full |
6964 SUPPORTED_1000baseT_Full |
6965 SUPPORTED_FIBRE |
6966 SUPPORTED_Pause |
6967 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006968 break;
6969
6970 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
6971 BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n",
6972 ext_phy_type);
6973
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006974 bp->port.supported |= (SUPPORTED_10000baseT_Full |
6975 SUPPORTED_1000baseT_Full |
6976 SUPPORTED_FIBRE |
6977 SUPPORTED_Autoneg |
6978 SUPPORTED_Pause |
6979 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006980 break;
6981
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07006982 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
6983 BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n",
6984 ext_phy_type);
6985
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006986 bp->port.supported |= (SUPPORTED_10000baseT_Full |
6987 SUPPORTED_2500baseX_Full |
6988 SUPPORTED_1000baseT_Full |
6989 SUPPORTED_FIBRE |
6990 SUPPORTED_Autoneg |
6991 SUPPORTED_Pause |
6992 SUPPORTED_Asym_Pause);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07006993 break;
6994
Eliezer Tamirf1410642008-02-28 11:51:50 -08006995 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
6996 BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n",
6997 ext_phy_type);
6998
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006999 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7000 SUPPORTED_TP |
7001 SUPPORTED_Autoneg |
7002 SUPPORTED_Pause |
7003 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007004 break;
7005
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007006 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7007 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7008 bp->link_params.ext_phy_config);
7009 break;
7010
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007011 default:
7012 BNX2X_ERR("NVRAM config error. "
7013 "BAD XGXS ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007014 bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007015 return;
7016 }
7017
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007018 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
7019 port*0x18);
7020 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007021
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007022 break;
7023
7024 default:
7025 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007026 bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007027 return;
7028 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007029 bp->link_params.phy_addr = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007030
7031 /* mask what we support according to speed_cap_mask */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007032 if (!(bp->link_params.speed_cap_mask &
7033 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007034 bp->port.supported &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007035
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007036 if (!(bp->link_params.speed_cap_mask &
7037 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007038 bp->port.supported &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007039
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007040 if (!(bp->link_params.speed_cap_mask &
7041 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007042 bp->port.supported &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007043
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007044 if (!(bp->link_params.speed_cap_mask &
7045 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007046 bp->port.supported &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007047
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007048 if (!(bp->link_params.speed_cap_mask &
7049 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007050 bp->port.supported &= ~(SUPPORTED_1000baseT_Half |
7051 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007052
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007053 if (!(bp->link_params.speed_cap_mask &
7054 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007055 bp->port.supported &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007056
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007057 if (!(bp->link_params.speed_cap_mask &
7058 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007059 bp->port.supported &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007060
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007061 BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007062}
7063
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007064static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007065{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007066 bp->link_params.req_duplex = DUPLEX_FULL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007067
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007068 switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007069 case PORT_FEATURE_LINK_SPEED_AUTO:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007070 if (bp->port.supported & SUPPORTED_Autoneg) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007071 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007072 bp->port.advertising = bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007073 } else {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007074 u32 ext_phy_type =
7075 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7076
7077 if ((ext_phy_type ==
7078 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
7079 (ext_phy_type ==
7080 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007081 /* force 10G, no AN */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007082 bp->link_params.req_line_speed = SPEED_10000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007083 bp->port.advertising =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007084 (ADVERTISED_10000baseT_Full |
7085 ADVERTISED_FIBRE);
7086 break;
7087 }
7088 BNX2X_ERR("NVRAM config error. "
7089 "Invalid link_config 0x%x"
7090 " Autoneg not supported\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007091 bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007092 return;
7093 }
7094 break;
7095
7096 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007097 if (bp->port.supported & SUPPORTED_10baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007098 bp->link_params.req_line_speed = SPEED_10;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007099 bp->port.advertising = (ADVERTISED_10baseT_Full |
7100 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007101 } else {
7102 BNX2X_ERR("NVRAM config error. "
7103 "Invalid link_config 0x%x"
7104 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007105 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007106 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007107 return;
7108 }
7109 break;
7110
7111 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007112 if (bp->port.supported & SUPPORTED_10baseT_Half) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007113 bp->link_params.req_line_speed = SPEED_10;
7114 bp->link_params.req_duplex = DUPLEX_HALF;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007115 bp->port.advertising = (ADVERTISED_10baseT_Half |
7116 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007117 } else {
7118 BNX2X_ERR("NVRAM config error. "
7119 "Invalid link_config 0x%x"
7120 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007121 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007122 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007123 return;
7124 }
7125 break;
7126
7127 case PORT_FEATURE_LINK_SPEED_100M_FULL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007128 if (bp->port.supported & SUPPORTED_100baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007129 bp->link_params.req_line_speed = SPEED_100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007130 bp->port.advertising = (ADVERTISED_100baseT_Full |
7131 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007132 } else {
7133 BNX2X_ERR("NVRAM config error. "
7134 "Invalid link_config 0x%x"
7135 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007136 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007137 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007138 return;
7139 }
7140 break;
7141
7142 case PORT_FEATURE_LINK_SPEED_100M_HALF:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007143 if (bp->port.supported & SUPPORTED_100baseT_Half) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007144 bp->link_params.req_line_speed = SPEED_100;
7145 bp->link_params.req_duplex = DUPLEX_HALF;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007146 bp->port.advertising = (ADVERTISED_100baseT_Half |
7147 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007148 } else {
7149 BNX2X_ERR("NVRAM config error. "
7150 "Invalid link_config 0x%x"
7151 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007152 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007153 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007154 return;
7155 }
7156 break;
7157
7158 case PORT_FEATURE_LINK_SPEED_1G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007159 if (bp->port.supported & SUPPORTED_1000baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007160 bp->link_params.req_line_speed = SPEED_1000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007161 bp->port.advertising = (ADVERTISED_1000baseT_Full |
7162 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007163 } else {
7164 BNX2X_ERR("NVRAM config error. "
7165 "Invalid link_config 0x%x"
7166 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007167 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007168 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007169 return;
7170 }
7171 break;
7172
7173 case PORT_FEATURE_LINK_SPEED_2_5G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007174 if (bp->port.supported & SUPPORTED_2500baseX_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007175 bp->link_params.req_line_speed = SPEED_2500;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007176 bp->port.advertising = (ADVERTISED_2500baseX_Full |
7177 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007178 } else {
7179 BNX2X_ERR("NVRAM config error. "
7180 "Invalid link_config 0x%x"
7181 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007182 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007183 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007184 return;
7185 }
7186 break;
7187
7188 case PORT_FEATURE_LINK_SPEED_10G_CX4:
7189 case PORT_FEATURE_LINK_SPEED_10G_KX4:
7190 case PORT_FEATURE_LINK_SPEED_10G_KR:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007191 if (bp->port.supported & SUPPORTED_10000baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007192 bp->link_params.req_line_speed = SPEED_10000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007193 bp->port.advertising = (ADVERTISED_10000baseT_Full |
7194 ADVERTISED_FIBRE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007195 } else {
7196 BNX2X_ERR("NVRAM config error. "
7197 "Invalid link_config 0x%x"
7198 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007199 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007200 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007201 return;
7202 }
7203 break;
7204
7205 default:
7206 BNX2X_ERR("NVRAM config error. "
7207 "BAD link speed link_config 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007208 bp->port.link_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007209 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007210 bp->port.advertising = bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007211 break;
7212 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007213
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007214 bp->link_params.req_flow_ctrl = (bp->port.link_config &
7215 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007216 if ((bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
Randy Dunlap4ab84d42008-08-07 20:33:19 -07007217 !(bp->port.supported & SUPPORTED_Autoneg))
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007218 bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007219
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007220 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl 0x%x"
Eliezer Tamirf1410642008-02-28 11:51:50 -08007221 " advertising 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007222 bp->link_params.req_line_speed,
7223 bp->link_params.req_duplex,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007224 bp->link_params.req_flow_ctrl, bp->port.advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007225}
7226
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007227static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007228{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007229 int port = BP_PORT(bp);
7230 u32 val, val2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007231
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007232 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007233 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007234
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007235 bp->link_params.serdes_config =
Eliezer Tamirf1410642008-02-28 11:51:50 -08007236 SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007237 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007238 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007239 bp->link_params.ext_phy_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007240 SHMEM_RD(bp,
7241 dev_info.port_hw_config[port].external_phy_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007242 bp->link_params.speed_cap_mask =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007243 SHMEM_RD(bp,
7244 dev_info.port_hw_config[port].speed_capability_mask);
7245
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007246 bp->port.link_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007247 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
7248
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007249 BNX2X_DEV_INFO("serdes_config 0x%08x lane_config 0x%08x\n"
7250 KERN_INFO " ext_phy_config 0x%08x speed_cap_mask 0x%08x"
7251 " link_config 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007252 bp->link_params.serdes_config,
7253 bp->link_params.lane_config,
7254 bp->link_params.ext_phy_config,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007255 bp->link_params.speed_cap_mask, bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007256
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007257 bp->link_params.switch_cfg = (bp->port.link_config &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007258 PORT_FEATURE_CONNECTED_SWITCH_MASK);
7259 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007260
7261 bnx2x_link_settings_requested(bp);
7262
7263 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
7264 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
7265 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7266 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7267 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7268 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7269 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7270 bp->dev->dev_addr[5] = (u8)(val & 0xff);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007271 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
7272 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007273}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007274
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007275static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
7276{
7277 int func = BP_FUNC(bp);
7278 u32 val, val2;
7279 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007280
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007281 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007282
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007283 bp->e1hov = 0;
7284 bp->e1hmf = 0;
7285 if (CHIP_IS_E1H(bp)) {
7286 bp->mf_config =
7287 SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007288
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007289 val =
7290 (SHMEM_RD(bp, mf_cfg.func_mf_config[func].e1hov_tag) &
7291 FUNC_MF_CFG_E1HOV_TAG_MASK);
7292 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007293
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007294 bp->e1hov = val;
7295 bp->e1hmf = 1;
7296 BNX2X_DEV_INFO("MF mode E1HOV for func %d is %d "
7297 "(0x%04x)\n",
7298 func, bp->e1hov, bp->e1hov);
7299 } else {
7300 BNX2X_DEV_INFO("Single function mode\n");
7301 if (BP_E1HVN(bp)) {
7302 BNX2X_ERR("!!! No valid E1HOV for func %d,"
7303 " aborting\n", func);
7304 rc = -EPERM;
7305 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007306 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007307 }
7308
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007309 if (!BP_NOMCP(bp)) {
7310 bnx2x_get_port_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007311
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007312 bp->fw_seq = (SHMEM_RD(bp, func_mb[func].drv_mb_header) &
7313 DRV_MSG_SEQ_NUMBER_MASK);
7314 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
7315 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007316
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007317 if (IS_E1HMF(bp)) {
7318 val2 = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_upper);
7319 val = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_lower);
7320 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
7321 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) {
7322 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7323 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7324 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7325 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7326 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7327 bp->dev->dev_addr[5] = (u8)(val & 0xff);
7328 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr,
7329 ETH_ALEN);
7330 memcpy(bp->dev->perm_addr, bp->dev->dev_addr,
7331 ETH_ALEN);
7332 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007333
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007334 return rc;
7335 }
7336
7337 if (BP_NOMCP(bp)) {
7338 /* only supposed to happen on emulation/FPGA */
7339 BNX2X_ERR("warning rendom MAC workaround active\n");
7340 random_ether_addr(bp->dev->dev_addr);
7341 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7342 }
7343
7344 return rc;
7345}
7346
7347static int __devinit bnx2x_init_bp(struct bnx2x *bp)
7348{
7349 int func = BP_FUNC(bp);
7350 int rc;
7351
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007352 mutex_init(&bp->port.phy_mutex);
7353
7354 INIT_WORK(&bp->sp_task, bnx2x_sp_task);
7355 INIT_WORK(&bp->reset_task, bnx2x_reset_task);
7356
7357 rc = bnx2x_get_hwinfo(bp);
7358
7359 /* need to reset chip if undi was active */
7360 if (!BP_NOMCP(bp))
7361 bnx2x_undi_unload(bp);
7362
7363 if (CHIP_REV_IS_FPGA(bp))
7364 printk(KERN_ERR PFX "FPGA detected\n");
7365
7366 if (BP_NOMCP(bp) && (func == 0))
7367 printk(KERN_ERR PFX
7368 "MCP disabled, must load devices in order!\n");
7369
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07007370 /* Set TPA flags */
7371 if (disable_tpa) {
7372 bp->flags &= ~TPA_ENABLE_FLAG;
7373 bp->dev->features &= ~NETIF_F_LRO;
7374 } else {
7375 bp->flags |= TPA_ENABLE_FLAG;
7376 bp->dev->features |= NETIF_F_LRO;
7377 }
7378
7379
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007380 bp->tx_ring_size = MAX_TX_AVAIL;
7381 bp->rx_ring_size = MAX_RX_AVAIL;
7382
7383 bp->rx_csum = 1;
7384 bp->rx_offset = 0;
7385
7386 bp->tx_ticks = 50;
7387 bp->rx_ticks = 25;
7388
7389 bp->stats_ticks = 1000000 & 0xffff00;
7390
7391 bp->timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
7392 bp->current_interval = (poll ? poll : bp->timer_interval);
7393
7394 init_timer(&bp->timer);
7395 bp->timer.expires = jiffies + bp->current_interval;
7396 bp->timer.data = (unsigned long) bp;
7397 bp->timer.function = bnx2x_timer;
7398
7399 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007400}
7401
7402/*
7403 * ethtool service functions
7404 */
7405
7406/* All ethtool functions called with rtnl_lock */
7407
7408static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7409{
7410 struct bnx2x *bp = netdev_priv(dev);
7411
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007412 cmd->supported = bp->port.supported;
7413 cmd->advertising = bp->port.advertising;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007414
7415 if (netif_carrier_ok(dev)) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007416 cmd->speed = bp->link_vars.line_speed;
7417 cmd->duplex = bp->link_vars.duplex;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007418 } else {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007419 cmd->speed = bp->link_params.req_line_speed;
7420 cmd->duplex = bp->link_params.req_duplex;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007421 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007422 if (IS_E1HMF(bp)) {
7423 u16 vn_max_rate;
7424
7425 vn_max_rate = ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >>
7426 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
7427 if (vn_max_rate < cmd->speed)
7428 cmd->speed = vn_max_rate;
7429 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007430
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007431 if (bp->link_params.switch_cfg == SWITCH_CFG_10G) {
7432 u32 ext_phy_type =
7433 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007434
7435 switch (ext_phy_type) {
7436 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7437 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7438 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7439 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007440 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007441 cmd->port = PORT_FIBRE;
7442 break;
7443
7444 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7445 cmd->port = PORT_TP;
7446 break;
7447
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007448 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7449 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7450 bp->link_params.ext_phy_config);
7451 break;
7452
Eliezer Tamirf1410642008-02-28 11:51:50 -08007453 default:
7454 DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007455 bp->link_params.ext_phy_config);
7456 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007457 }
7458 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007459 cmd->port = PORT_TP;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007460
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007461 cmd->phy_address = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007462 cmd->transceiver = XCVR_INTERNAL;
7463
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007464 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007465 cmd->autoneg = AUTONEG_ENABLE;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007466 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007467 cmd->autoneg = AUTONEG_DISABLE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007468
7469 cmd->maxtxpkt = 0;
7470 cmd->maxrxpkt = 0;
7471
7472 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7473 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7474 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7475 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7476 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7477 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7478 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7479
7480 return 0;
7481}
7482
7483static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7484{
7485 struct bnx2x *bp = netdev_priv(dev);
7486 u32 advertising;
7487
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007488 if (IS_E1HMF(bp))
7489 return 0;
7490
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007491 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7492 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7493 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7494 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7495 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7496 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7497 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7498
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007499 if (cmd->autoneg == AUTONEG_ENABLE) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007500 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
7501 DP(NETIF_MSG_LINK, "Autoneg not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007502 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007503 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007504
7505 /* advertise the requested speed and duplex if supported */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007506 cmd->advertising &= bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007507
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007508 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7509 bp->link_params.req_duplex = DUPLEX_FULL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007510 bp->port.advertising |= (ADVERTISED_Autoneg |
7511 cmd->advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007512
7513 } else { /* forced speed */
7514 /* advertise the requested speed and duplex if supported */
7515 switch (cmd->speed) {
7516 case SPEED_10:
7517 if (cmd->duplex == DUPLEX_FULL) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007518 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007519 SUPPORTED_10baseT_Full)) {
7520 DP(NETIF_MSG_LINK,
7521 "10M full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007522 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007523 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007524
7525 advertising = (ADVERTISED_10baseT_Full |
7526 ADVERTISED_TP);
7527 } else {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007528 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007529 SUPPORTED_10baseT_Half)) {
7530 DP(NETIF_MSG_LINK,
7531 "10M half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007532 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007533 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007534
7535 advertising = (ADVERTISED_10baseT_Half |
7536 ADVERTISED_TP);
7537 }
7538 break;
7539
7540 case SPEED_100:
7541 if (cmd->duplex == DUPLEX_FULL) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007542 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007543 SUPPORTED_100baseT_Full)) {
7544 DP(NETIF_MSG_LINK,
7545 "100M full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007546 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007547 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007548
7549 advertising = (ADVERTISED_100baseT_Full |
7550 ADVERTISED_TP);
7551 } else {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007552 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007553 SUPPORTED_100baseT_Half)) {
7554 DP(NETIF_MSG_LINK,
7555 "100M half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007556 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007557 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007558
7559 advertising = (ADVERTISED_100baseT_Half |
7560 ADVERTISED_TP);
7561 }
7562 break;
7563
7564 case SPEED_1000:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007565 if (cmd->duplex != DUPLEX_FULL) {
7566 DP(NETIF_MSG_LINK, "1G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007567 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007568 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007569
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007570 if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007571 DP(NETIF_MSG_LINK, "1G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007572 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007573 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007574
7575 advertising = (ADVERTISED_1000baseT_Full |
7576 ADVERTISED_TP);
7577 break;
7578
7579 case SPEED_2500:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007580 if (cmd->duplex != DUPLEX_FULL) {
7581 DP(NETIF_MSG_LINK,
7582 "2.5G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007583 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007584 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007585
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007586 if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007587 DP(NETIF_MSG_LINK,
7588 "2.5G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007589 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007590 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007591
Eliezer Tamirf1410642008-02-28 11:51:50 -08007592 advertising = (ADVERTISED_2500baseX_Full |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007593 ADVERTISED_TP);
7594 break;
7595
7596 case SPEED_10000:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007597 if (cmd->duplex != DUPLEX_FULL) {
7598 DP(NETIF_MSG_LINK, "10G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007599 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007600 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007601
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007602 if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007603 DP(NETIF_MSG_LINK, "10G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007604 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007605 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007606
7607 advertising = (ADVERTISED_10000baseT_Full |
7608 ADVERTISED_FIBRE);
7609 break;
7610
7611 default:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007612 DP(NETIF_MSG_LINK, "Unsupported speed\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007613 return -EINVAL;
7614 }
7615
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007616 bp->link_params.req_line_speed = cmd->speed;
7617 bp->link_params.req_duplex = cmd->duplex;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007618 bp->port.advertising = advertising;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007619 }
7620
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007621 DP(NETIF_MSG_LINK, "req_line_speed %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007622 DP_LEVEL " req_duplex %d advertising 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007623 bp->link_params.req_line_speed, bp->link_params.req_duplex,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007624 bp->port.advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007625
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007626 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07007627 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007628 bnx2x_link_set(bp);
7629 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007630
7631 return 0;
7632}
7633
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007634#define PHY_FW_VER_LEN 10
7635
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007636static void bnx2x_get_drvinfo(struct net_device *dev,
7637 struct ethtool_drvinfo *info)
7638{
7639 struct bnx2x *bp = netdev_priv(dev);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007640 char phy_fw_ver[PHY_FW_VER_LEN];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007641
7642 strcpy(info->driver, DRV_MODULE_NAME);
7643 strcpy(info->version, DRV_MODULE_VERSION);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007644
7645 phy_fw_ver[0] = '\0';
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007646 if (bp->port.pmf) {
7647 bnx2x_phy_hw_lock(bp);
7648 bnx2x_get_ext_phy_fw_version(&bp->link_params,
7649 (bp->state != BNX2X_STATE_CLOSED),
7650 phy_fw_ver, PHY_FW_VER_LEN);
7651 bnx2x_phy_hw_unlock(bp);
7652 }
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007653
7654 snprintf(info->fw_version, 32, "%d.%d.%d:%d BC:%x%s%s",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007655 BCM_5710_FW_MAJOR_VERSION, BCM_5710_FW_MINOR_VERSION,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007656 BCM_5710_FW_REVISION_VERSION,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007657 BCM_5710_FW_COMPILE_FLAGS, bp->common.bc_ver,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007658 ((phy_fw_ver[0] != '\0')? " PHY:":""), phy_fw_ver);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007659 strcpy(info->bus_info, pci_name(bp->pdev));
7660 info->n_stats = BNX2X_NUM_STATS;
7661 info->testinfo_len = BNX2X_NUM_TESTS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007662 info->eedump_len = bp->common.flash_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007663 info->regdump_len = 0;
7664}
7665
7666static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7667{
7668 struct bnx2x *bp = netdev_priv(dev);
7669
7670 if (bp->flags & NO_WOL_FLAG) {
7671 wol->supported = 0;
7672 wol->wolopts = 0;
7673 } else {
7674 wol->supported = WAKE_MAGIC;
7675 if (bp->wol)
7676 wol->wolopts = WAKE_MAGIC;
7677 else
7678 wol->wolopts = 0;
7679 }
7680 memset(&wol->sopass, 0, sizeof(wol->sopass));
7681}
7682
7683static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7684{
7685 struct bnx2x *bp = netdev_priv(dev);
7686
7687 if (wol->wolopts & ~WAKE_MAGIC)
7688 return -EINVAL;
7689
7690 if (wol->wolopts & WAKE_MAGIC) {
7691 if (bp->flags & NO_WOL_FLAG)
7692 return -EINVAL;
7693
7694 bp->wol = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007695 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007696 bp->wol = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007697
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007698 return 0;
7699}
7700
7701static u32 bnx2x_get_msglevel(struct net_device *dev)
7702{
7703 struct bnx2x *bp = netdev_priv(dev);
7704
7705 return bp->msglevel;
7706}
7707
7708static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
7709{
7710 struct bnx2x *bp = netdev_priv(dev);
7711
7712 if (capable(CAP_NET_ADMIN))
7713 bp->msglevel = level;
7714}
7715
7716static int bnx2x_nway_reset(struct net_device *dev)
7717{
7718 struct bnx2x *bp = netdev_priv(dev);
7719
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007720 if (!bp->port.pmf)
7721 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007722
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007723 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07007724 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007725 bnx2x_link_set(bp);
7726 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007727
7728 return 0;
7729}
7730
7731static int bnx2x_get_eeprom_len(struct net_device *dev)
7732{
7733 struct bnx2x *bp = netdev_priv(dev);
7734
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007735 return bp->common.flash_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007736}
7737
7738static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
7739{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007740 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007741 int count, i;
7742 u32 val = 0;
7743
7744 /* adjust timeout for emulation/FPGA */
7745 count = NVRAM_TIMEOUT_COUNT;
7746 if (CHIP_REV_IS_SLOW(bp))
7747 count *= 100;
7748
7749 /* request access to nvram interface */
7750 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7751 (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
7752
7753 for (i = 0; i < count*10; i++) {
7754 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7755 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
7756 break;
7757
7758 udelay(5);
7759 }
7760
7761 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007762 DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007763 return -EBUSY;
7764 }
7765
7766 return 0;
7767}
7768
7769static int bnx2x_release_nvram_lock(struct bnx2x *bp)
7770{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007771 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007772 int count, i;
7773 u32 val = 0;
7774
7775 /* adjust timeout for emulation/FPGA */
7776 count = NVRAM_TIMEOUT_COUNT;
7777 if (CHIP_REV_IS_SLOW(bp))
7778 count *= 100;
7779
7780 /* relinquish nvram interface */
7781 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7782 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
7783
7784 for (i = 0; i < count*10; i++) {
7785 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7786 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
7787 break;
7788
7789 udelay(5);
7790 }
7791
7792 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007793 DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007794 return -EBUSY;
7795 }
7796
7797 return 0;
7798}
7799
7800static void bnx2x_enable_nvram_access(struct bnx2x *bp)
7801{
7802 u32 val;
7803
7804 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7805
7806 /* enable both bits, even on read */
7807 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7808 (val | MCPR_NVM_ACCESS_ENABLE_EN |
7809 MCPR_NVM_ACCESS_ENABLE_WR_EN));
7810}
7811
7812static void bnx2x_disable_nvram_access(struct bnx2x *bp)
7813{
7814 u32 val;
7815
7816 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7817
7818 /* disable both bits, even after read */
7819 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7820 (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
7821 MCPR_NVM_ACCESS_ENABLE_WR_EN)));
7822}
7823
7824static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val,
7825 u32 cmd_flags)
7826{
Eliezer Tamirf1410642008-02-28 11:51:50 -08007827 int count, i, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007828 u32 val;
7829
7830 /* build the command word */
7831 cmd_flags |= MCPR_NVM_COMMAND_DOIT;
7832
7833 /* need to clear DONE bit separately */
7834 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
7835
7836 /* address of the NVRAM to read from */
7837 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
7838 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
7839
7840 /* issue a read command */
7841 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
7842
7843 /* adjust timeout for emulation/FPGA */
7844 count = NVRAM_TIMEOUT_COUNT;
7845 if (CHIP_REV_IS_SLOW(bp))
7846 count *= 100;
7847
7848 /* wait for completion */
7849 *ret_val = 0;
7850 rc = -EBUSY;
7851 for (i = 0; i < count; i++) {
7852 udelay(5);
7853 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
7854
7855 if (val & MCPR_NVM_COMMAND_DONE) {
7856 val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007857 /* we read nvram data in cpu order
7858 * but ethtool sees it as an array of bytes
7859 * converting to big-endian will do the work */
7860 val = cpu_to_be32(val);
7861 *ret_val = val;
7862 rc = 0;
7863 break;
7864 }
7865 }
7866
7867 return rc;
7868}
7869
7870static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
7871 int buf_size)
7872{
7873 int rc;
7874 u32 cmd_flags;
7875 u32 val;
7876
7877 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007878 DP(BNX2X_MSG_NVM,
Eliezer Tamirc14423f2008-02-28 11:49:42 -08007879 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007880 offset, buf_size);
7881 return -EINVAL;
7882 }
7883
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007884 if (offset + buf_size > bp->common.flash_size) {
7885 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007886 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007887 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007888 return -EINVAL;
7889 }
7890
7891 /* request access to nvram interface */
7892 rc = bnx2x_acquire_nvram_lock(bp);
7893 if (rc)
7894 return rc;
7895
7896 /* enable access to nvram interface */
7897 bnx2x_enable_nvram_access(bp);
7898
7899 /* read the first word(s) */
7900 cmd_flags = MCPR_NVM_COMMAND_FIRST;
7901 while ((buf_size > sizeof(u32)) && (rc == 0)) {
7902 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
7903 memcpy(ret_buf, &val, 4);
7904
7905 /* advance to the next dword */
7906 offset += sizeof(u32);
7907 ret_buf += sizeof(u32);
7908 buf_size -= sizeof(u32);
7909 cmd_flags = 0;
7910 }
7911
7912 if (rc == 0) {
7913 cmd_flags |= MCPR_NVM_COMMAND_LAST;
7914 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
7915 memcpy(ret_buf, &val, 4);
7916 }
7917
7918 /* disable access to nvram interface */
7919 bnx2x_disable_nvram_access(bp);
7920 bnx2x_release_nvram_lock(bp);
7921
7922 return rc;
7923}
7924
7925static int bnx2x_get_eeprom(struct net_device *dev,
7926 struct ethtool_eeprom *eeprom, u8 *eebuf)
7927{
7928 struct bnx2x *bp = netdev_priv(dev);
7929 int rc;
7930
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007931 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007932 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
7933 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
7934 eeprom->len, eeprom->len);
7935
7936 /* parameters already validated in ethtool_get_eeprom */
7937
7938 rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
7939
7940 return rc;
7941}
7942
7943static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
7944 u32 cmd_flags)
7945{
Eliezer Tamirf1410642008-02-28 11:51:50 -08007946 int count, i, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007947
7948 /* build the command word */
7949 cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
7950
7951 /* need to clear DONE bit separately */
7952 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
7953
7954 /* write the data */
7955 REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
7956
7957 /* address of the NVRAM to write to */
7958 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
7959 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
7960
7961 /* issue the write command */
7962 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
7963
7964 /* adjust timeout for emulation/FPGA */
7965 count = NVRAM_TIMEOUT_COUNT;
7966 if (CHIP_REV_IS_SLOW(bp))
7967 count *= 100;
7968
7969 /* wait for completion */
7970 rc = -EBUSY;
7971 for (i = 0; i < count; i++) {
7972 udelay(5);
7973 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
7974 if (val & MCPR_NVM_COMMAND_DONE) {
7975 rc = 0;
7976 break;
7977 }
7978 }
7979
7980 return rc;
7981}
7982
Eliezer Tamirf1410642008-02-28 11:51:50 -08007983#define BYTE_OFFSET(offset) (8 * (offset & 0x03))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007984
7985static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
7986 int buf_size)
7987{
7988 int rc;
7989 u32 cmd_flags;
7990 u32 align_offset;
7991 u32 val;
7992
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007993 if (offset + buf_size > bp->common.flash_size) {
7994 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007995 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007996 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007997 return -EINVAL;
7998 }
7999
8000 /* request access to nvram interface */
8001 rc = bnx2x_acquire_nvram_lock(bp);
8002 if (rc)
8003 return rc;
8004
8005 /* enable access to nvram interface */
8006 bnx2x_enable_nvram_access(bp);
8007
8008 cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
8009 align_offset = (offset & ~0x03);
8010 rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
8011
8012 if (rc == 0) {
8013 val &= ~(0xff << BYTE_OFFSET(offset));
8014 val |= (*data_buf << BYTE_OFFSET(offset));
8015
8016 /* nvram data is returned as an array of bytes
8017 * convert it back to cpu order */
8018 val = be32_to_cpu(val);
8019
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008020 rc = bnx2x_nvram_write_dword(bp, align_offset, val,
8021 cmd_flags);
8022 }
8023
8024 /* disable access to nvram interface */
8025 bnx2x_disable_nvram_access(bp);
8026 bnx2x_release_nvram_lock(bp);
8027
8028 return rc;
8029}
8030
8031static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
8032 int buf_size)
8033{
8034 int rc;
8035 u32 cmd_flags;
8036 u32 val;
8037 u32 written_so_far;
8038
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008039 if (buf_size == 1) /* ethtool */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008040 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008041
8042 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008043 DP(BNX2X_MSG_NVM,
Eliezer Tamirc14423f2008-02-28 11:49:42 -08008044 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008045 offset, buf_size);
8046 return -EINVAL;
8047 }
8048
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008049 if (offset + buf_size > bp->common.flash_size) {
8050 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008051 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008052 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008053 return -EINVAL;
8054 }
8055
8056 /* request access to nvram interface */
8057 rc = bnx2x_acquire_nvram_lock(bp);
8058 if (rc)
8059 return rc;
8060
8061 /* enable access to nvram interface */
8062 bnx2x_enable_nvram_access(bp);
8063
8064 written_so_far = 0;
8065 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8066 while ((written_so_far < buf_size) && (rc == 0)) {
8067 if (written_so_far == (buf_size - sizeof(u32)))
8068 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8069 else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0)
8070 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8071 else if ((offset % NVRAM_PAGE_SIZE) == 0)
8072 cmd_flags |= MCPR_NVM_COMMAND_FIRST;
8073
8074 memcpy(&val, data_buf, 4);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008075
8076 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
8077
8078 /* advance to the next dword */
8079 offset += sizeof(u32);
8080 data_buf += sizeof(u32);
8081 written_so_far += sizeof(u32);
8082 cmd_flags = 0;
8083 }
8084
8085 /* disable access to nvram interface */
8086 bnx2x_disable_nvram_access(bp);
8087 bnx2x_release_nvram_lock(bp);
8088
8089 return rc;
8090}
8091
8092static int bnx2x_set_eeprom(struct net_device *dev,
8093 struct ethtool_eeprom *eeprom, u8 *eebuf)
8094{
8095 struct bnx2x *bp = netdev_priv(dev);
8096 int rc;
8097
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008098 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008099 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8100 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8101 eeprom->len, eeprom->len);
8102
8103 /* parameters already validated in ethtool_set_eeprom */
8104
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008105 /* If the magic number is PHY (0x00504859) upgrade the PHY FW */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008106 if (eeprom->magic == 0x00504859)
8107 if (bp->port.pmf) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008108
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008109 bnx2x_phy_hw_lock(bp);
8110 rc = bnx2x_flash_download(bp, BP_PORT(bp),
8111 bp->link_params.ext_phy_config,
8112 (bp->state != BNX2X_STATE_CLOSED),
8113 eebuf, eeprom->len);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008114 if ((bp->state == BNX2X_STATE_OPEN) ||
8115 (bp->state == BNX2X_STATE_DISABLED)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008116 rc |= bnx2x_link_reset(&bp->link_params,
8117 &bp->link_vars);
8118 rc |= bnx2x_phy_init(&bp->link_params,
8119 &bp->link_vars);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008120 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008121 bnx2x_phy_hw_unlock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008122
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008123 } else /* Only the PMF can access the PHY */
8124 return -EINVAL;
8125 else
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008126 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008127
8128 return rc;
8129}
8130
8131static int bnx2x_get_coalesce(struct net_device *dev,
8132 struct ethtool_coalesce *coal)
8133{
8134 struct bnx2x *bp = netdev_priv(dev);
8135
8136 memset(coal, 0, sizeof(struct ethtool_coalesce));
8137
8138 coal->rx_coalesce_usecs = bp->rx_ticks;
8139 coal->tx_coalesce_usecs = bp->tx_ticks;
8140 coal->stats_block_coalesce_usecs = bp->stats_ticks;
8141
8142 return 0;
8143}
8144
8145static int bnx2x_set_coalesce(struct net_device *dev,
8146 struct ethtool_coalesce *coal)
8147{
8148 struct bnx2x *bp = netdev_priv(dev);
8149
8150 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
8151 if (bp->rx_ticks > 3000)
8152 bp->rx_ticks = 3000;
8153
8154 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
8155 if (bp->tx_ticks > 0x3000)
8156 bp->tx_ticks = 0x3000;
8157
8158 bp->stats_ticks = coal->stats_block_coalesce_usecs;
8159 if (bp->stats_ticks > 0xffff00)
8160 bp->stats_ticks = 0xffff00;
8161 bp->stats_ticks &= 0xffff00;
8162
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008163 if (netif_running(dev))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008164 bnx2x_update_coalesce(bp);
8165
8166 return 0;
8167}
8168
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008169static int bnx2x_set_flags(struct net_device *dev, u32 data)
8170{
8171 struct bnx2x *bp = netdev_priv(dev);
8172 int changed = 0;
8173 int rc = 0;
8174
8175 if (data & ETH_FLAG_LRO) {
8176 if (!(dev->features & NETIF_F_LRO)) {
8177 dev->features |= NETIF_F_LRO;
8178 bp->flags |= TPA_ENABLE_FLAG;
8179 changed = 1;
8180 }
8181
8182 } else if (dev->features & NETIF_F_LRO) {
8183 dev->features &= ~NETIF_F_LRO;
8184 bp->flags &= ~TPA_ENABLE_FLAG;
8185 changed = 1;
8186 }
8187
8188 if (changed && netif_running(dev)) {
8189 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8190 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
8191 }
8192
8193 return rc;
8194}
8195
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008196static void bnx2x_get_ringparam(struct net_device *dev,
8197 struct ethtool_ringparam *ering)
8198{
8199 struct bnx2x *bp = netdev_priv(dev);
8200
8201 ering->rx_max_pending = MAX_RX_AVAIL;
8202 ering->rx_mini_max_pending = 0;
8203 ering->rx_jumbo_max_pending = 0;
8204
8205 ering->rx_pending = bp->rx_ring_size;
8206 ering->rx_mini_pending = 0;
8207 ering->rx_jumbo_pending = 0;
8208
8209 ering->tx_max_pending = MAX_TX_AVAIL;
8210 ering->tx_pending = bp->tx_ring_size;
8211}
8212
8213static int bnx2x_set_ringparam(struct net_device *dev,
8214 struct ethtool_ringparam *ering)
8215{
8216 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008217 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008218
8219 if ((ering->rx_pending > MAX_RX_AVAIL) ||
8220 (ering->tx_pending > MAX_TX_AVAIL) ||
8221 (ering->tx_pending <= MAX_SKB_FRAGS + 4))
8222 return -EINVAL;
8223
8224 bp->rx_ring_size = ering->rx_pending;
8225 bp->tx_ring_size = ering->tx_pending;
8226
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008227 if (netif_running(dev)) {
8228 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8229 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008230 }
8231
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008232 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008233}
8234
8235static void bnx2x_get_pauseparam(struct net_device *dev,
8236 struct ethtool_pauseparam *epause)
8237{
8238 struct bnx2x *bp = netdev_priv(dev);
8239
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008240 epause->autoneg = (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
8241 (bp->link_params.req_line_speed == SPEED_AUTO_NEG);
8242
8243 epause->rx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_RX) ==
8244 FLOW_CTRL_RX);
8245 epause->tx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_TX) ==
8246 FLOW_CTRL_TX);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008247
8248 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8249 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8250 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8251}
8252
8253static int bnx2x_set_pauseparam(struct net_device *dev,
8254 struct ethtool_pauseparam *epause)
8255{
8256 struct bnx2x *bp = netdev_priv(dev);
8257
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008258 if (IS_E1HMF(bp))
8259 return 0;
8260
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008261 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8262 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8263 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8264
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008265 bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
8266
8267 if (epause->rx_pause)
8268 bp->link_params.req_flow_ctrl |= FLOW_CTRL_RX;
8269
8270 if (epause->tx_pause)
8271 bp->link_params.req_flow_ctrl |= FLOW_CTRL_TX;
8272
8273 if (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO)
8274 bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
8275
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008276 if (epause->autoneg) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008277 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008278 DP(NETIF_MSG_LINK, "Autoneg not supported\n");
Eliezer Tamirf1410642008-02-28 11:51:50 -08008279 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008280 }
8281
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008282 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
8283 bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
8284 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008285
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008286 DP(NETIF_MSG_LINK,
8287 "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008288
8289 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008290 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008291 bnx2x_link_set(bp);
8292 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008293
8294 return 0;
8295}
8296
8297static u32 bnx2x_get_rx_csum(struct net_device *dev)
8298{
8299 struct bnx2x *bp = netdev_priv(dev);
8300
8301 return bp->rx_csum;
8302}
8303
8304static int bnx2x_set_rx_csum(struct net_device *dev, u32 data)
8305{
8306 struct bnx2x *bp = netdev_priv(dev);
8307
8308 bp->rx_csum = data;
8309 return 0;
8310}
8311
8312static int bnx2x_set_tso(struct net_device *dev, u32 data)
8313{
Eilon Greenstein755735e2008-06-23 20:35:13 -07008314 if (data) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008315 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735e2008-06-23 20:35:13 -07008316 dev->features |= NETIF_F_TSO6;
8317 } else {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008318 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735e2008-06-23 20:35:13 -07008319 dev->features &= ~NETIF_F_TSO6;
8320 }
8321
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008322 return 0;
8323}
8324
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008325static const struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008326 char string[ETH_GSTRING_LEN];
8327} bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008328 { "register_test (offline)" },
8329 { "memory_test (offline)" },
8330 { "loopback_test (offline)" },
8331 { "nvram_test (online)" },
8332 { "interrupt_test (online)" },
8333 { "link_test (online)" },
8334 { "idle check (online)" },
8335 { "MC errors (online)" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008336};
8337
8338static int bnx2x_self_test_count(struct net_device *dev)
8339{
8340 return BNX2X_NUM_TESTS;
8341}
8342
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008343static int bnx2x_test_registers(struct bnx2x *bp)
8344{
8345 int idx, i, rc = -ENODEV;
8346 u32 wr_val = 0;
8347 static const struct {
8348 u32 offset0;
8349 u32 offset1;
8350 u32 mask;
8351 } reg_tbl[] = {
8352/* 0 */ { BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff },
8353 { DORQ_REG_DB_ADDR0, 4, 0xffffffff },
8354 { HC_REG_AGG_INT_0, 4, 0x000003ff },
8355 { PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 },
8356 { PBF_REG_P0_INIT_CRD, 4, 0x000007ff },
8357 { PRS_REG_CID_PORT_0, 4, 0x00ffffff },
8358 { PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff },
8359 { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8360 { PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff },
8361 { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8362/* 10 */ { PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff },
8363 { QM_REG_CONNNUM_0, 4, 0x000fffff },
8364 { TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff },
8365 { SRC_REG_KEYRSS0_0, 40, 0xffffffff },
8366 { SRC_REG_KEYRSS0_7, 40, 0xffffffff },
8367 { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
8368 { XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 },
8369 { XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff },
8370 { NIG_REG_EGRESS_MNG0_FIFO, 20, 0xffffffff },
8371 { NIG_REG_LLH0_T_BIT, 4, 0x00000001 },
8372/* 20 */ { NIG_REG_EMAC0_IN_EN, 4, 0x00000001 },
8373 { NIG_REG_BMAC0_IN_EN, 4, 0x00000001 },
8374 { NIG_REG_XCM0_OUT_EN, 4, 0x00000001 },
8375 { NIG_REG_BRB0_OUT_EN, 4, 0x00000001 },
8376 { NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 },
8377 { NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff },
8378 { NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff },
8379 { NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff },
8380 { NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff },
8381 { NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 },
8382/* 30 */ { NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff },
8383 { NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff },
8384 { NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff },
8385 { NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 },
8386 { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 },
8387 { NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff },
8388 { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
8389 { NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f },
8390
8391 { 0xffffffff, 0, 0x00000000 }
8392 };
8393
8394 if (!netif_running(bp->dev))
8395 return rc;
8396
8397 /* Repeat the test twice:
8398 First by writing 0x00000000, second by writing 0xffffffff */
8399 for (idx = 0; idx < 2; idx++) {
8400
8401 switch (idx) {
8402 case 0:
8403 wr_val = 0;
8404 break;
8405 case 1:
8406 wr_val = 0xffffffff;
8407 break;
8408 }
8409
8410 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
8411 u32 offset, mask, save_val, val;
8412 int port = BP_PORT(bp);
8413
8414 offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
8415 mask = reg_tbl[i].mask;
8416
8417 save_val = REG_RD(bp, offset);
8418
8419 REG_WR(bp, offset, wr_val);
8420 val = REG_RD(bp, offset);
8421
8422 /* Restore the original register's value */
8423 REG_WR(bp, offset, save_val);
8424
8425 /* verify that value is as expected value */
8426 if ((val & mask) != (wr_val & mask))
8427 goto test_reg_exit;
8428 }
8429 }
8430
8431 rc = 0;
8432
8433test_reg_exit:
8434 return rc;
8435}
8436
8437static int bnx2x_test_memory(struct bnx2x *bp)
8438{
8439 int i, j, rc = -ENODEV;
8440 u32 val;
8441 static const struct {
8442 u32 offset;
8443 int size;
8444 } mem_tbl[] = {
8445 { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE },
8446 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
8447 { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE },
8448 { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE },
8449 { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE },
8450 { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE },
8451 { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE },
8452
8453 { 0xffffffff, 0 }
8454 };
8455 static const struct {
8456 char *name;
8457 u32 offset;
8458 u32 mask;
8459 } prty_tbl[] = {
8460 { "CCM_REG_CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS, 0 },
8461 { "CFC_REG_CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS, 0 },
8462 { "DMAE_REG_DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0 },
8463 { "TCM_REG_TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS, 0 },
8464 { "UCM_REG_UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS, 0 },
8465 { "XCM_REG_XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS, 0x1 },
8466
8467 { NULL, 0xffffffff, 0 }
8468 };
8469
8470 if (!netif_running(bp->dev))
8471 return rc;
8472
8473 /* Go through all the memories */
8474 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
8475 for (j = 0; j < mem_tbl[i].size; j++)
8476 REG_RD(bp, mem_tbl[i].offset + j*4);
8477
8478 /* Check the parity status */
8479 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
8480 val = REG_RD(bp, prty_tbl[i].offset);
8481 if (val & ~(prty_tbl[i].mask)) {
8482 DP(NETIF_MSG_HW,
8483 "%s is 0x%x\n", prty_tbl[i].name, val);
8484 goto test_mem_exit;
8485 }
8486 }
8487
8488 rc = 0;
8489
8490test_mem_exit:
8491 return rc;
8492}
8493
8494static void bnx2x_netif_start(struct bnx2x *bp)
8495{
8496 int i;
8497
8498 if (atomic_dec_and_test(&bp->intr_sem)) {
8499 if (netif_running(bp->dev)) {
8500 bnx2x_int_enable(bp);
8501 for_each_queue(bp, i)
8502 napi_enable(&bnx2x_fp(bp, i, napi));
8503 if (bp->state == BNX2X_STATE_OPEN)
8504 netif_wake_queue(bp->dev);
8505 }
8506 }
8507}
8508
8509static void bnx2x_netif_stop(struct bnx2x *bp)
8510{
8511 int i;
8512
8513 if (netif_running(bp->dev)) {
8514 netif_tx_disable(bp->dev);
8515 bp->dev->trans_start = jiffies; /* prevent tx timeout */
8516 for_each_queue(bp, i)
8517 napi_disable(&bnx2x_fp(bp, i, napi));
8518 }
8519 bnx2x_int_disable_sync(bp);
8520}
8521
8522static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up)
8523{
8524 int cnt = 1000;
8525
8526 if (link_up)
8527 while (bnx2x_link_test(bp) && cnt--)
8528 msleep(10);
8529}
8530
8531static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
8532{
8533 unsigned int pkt_size, num_pkts, i;
8534 struct sk_buff *skb;
8535 unsigned char *packet;
8536 struct bnx2x_fastpath *fp = &bp->fp[0];
8537 u16 tx_start_idx, tx_idx;
8538 u16 rx_start_idx, rx_idx;
8539 u16 pkt_prod;
8540 struct sw_tx_bd *tx_buf;
8541 struct eth_tx_bd *tx_bd;
8542 dma_addr_t mapping;
8543 union eth_rx_cqe *cqe;
8544 u8 cqe_fp_flags;
8545 struct sw_rx_bd *rx_buf;
8546 u16 len;
8547 int rc = -ENODEV;
8548
8549 if (loopback_mode == BNX2X_MAC_LOOPBACK) {
8550 bp->link_params.loopback_mode = LOOPBACK_BMAC;
8551 bnx2x_phy_hw_lock(bp);
8552 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
8553 bnx2x_phy_hw_unlock(bp);
8554
8555 } else if (loopback_mode == BNX2X_PHY_LOOPBACK) {
8556 bp->link_params.loopback_mode = LOOPBACK_XGXS_10;
8557 bnx2x_phy_hw_lock(bp);
8558 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
8559 bnx2x_phy_hw_unlock(bp);
8560 /* wait until link state is restored */
8561 bnx2x_wait_for_link(bp, link_up);
8562
8563 } else
8564 return -EINVAL;
8565
8566 pkt_size = 1514;
8567 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
8568 if (!skb) {
8569 rc = -ENOMEM;
8570 goto test_loopback_exit;
8571 }
8572 packet = skb_put(skb, pkt_size);
8573 memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
8574 memset(packet + ETH_ALEN, 0, (ETH_HLEN - ETH_ALEN));
8575 for (i = ETH_HLEN; i < pkt_size; i++)
8576 packet[i] = (unsigned char) (i & 0xff);
8577
8578 num_pkts = 0;
8579 tx_start_idx = le16_to_cpu(*fp->tx_cons_sb);
8580 rx_start_idx = le16_to_cpu(*fp->rx_cons_sb);
8581
8582 pkt_prod = fp->tx_pkt_prod++;
8583 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
8584 tx_buf->first_bd = fp->tx_bd_prod;
8585 tx_buf->skb = skb;
8586
8587 tx_bd = &fp->tx_desc_ring[TX_BD(fp->tx_bd_prod)];
8588 mapping = pci_map_single(bp->pdev, skb->data,
8589 skb_headlen(skb), PCI_DMA_TODEVICE);
8590 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
8591 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
8592 tx_bd->nbd = cpu_to_le16(1);
8593 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
8594 tx_bd->vlan = cpu_to_le16(pkt_prod);
8595 tx_bd->bd_flags.as_bitfield = (ETH_TX_BD_FLAGS_START_BD |
8596 ETH_TX_BD_FLAGS_END_BD);
8597 tx_bd->general_data = ((UNICAST_ADDRESS <<
8598 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT) | 1);
8599
8600 fp->hw_tx_prods->bds_prod =
8601 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + 1);
8602 mb(); /* FW restriction: must not reorder writing nbd and packets */
8603 fp->hw_tx_prods->packets_prod =
8604 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
8605 DOORBELL(bp, FP_IDX(fp), 0);
8606
8607 mmiowb();
8608
8609 num_pkts++;
8610 fp->tx_bd_prod++;
8611 bp->dev->trans_start = jiffies;
8612
8613 udelay(100);
8614
8615 tx_idx = le16_to_cpu(*fp->tx_cons_sb);
8616 if (tx_idx != tx_start_idx + num_pkts)
8617 goto test_loopback_exit;
8618
8619 rx_idx = le16_to_cpu(*fp->rx_cons_sb);
8620 if (rx_idx != rx_start_idx + num_pkts)
8621 goto test_loopback_exit;
8622
8623 cqe = &fp->rx_comp_ring[RCQ_BD(fp->rx_comp_cons)];
8624 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
8625 if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
8626 goto test_loopback_rx_exit;
8627
8628 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
8629 if (len != pkt_size)
8630 goto test_loopback_rx_exit;
8631
8632 rx_buf = &fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)];
8633 skb = rx_buf->skb;
8634 skb_reserve(skb, cqe->fast_path_cqe.placement_offset);
8635 for (i = ETH_HLEN; i < pkt_size; i++)
8636 if (*(skb->data + i) != (unsigned char) (i & 0xff))
8637 goto test_loopback_rx_exit;
8638
8639 rc = 0;
8640
8641test_loopback_rx_exit:
8642 bp->dev->last_rx = jiffies;
8643
8644 fp->rx_bd_cons = NEXT_RX_IDX(fp->rx_bd_cons);
8645 fp->rx_bd_prod = NEXT_RX_IDX(fp->rx_bd_prod);
8646 fp->rx_comp_cons = NEXT_RCQ_IDX(fp->rx_comp_cons);
8647 fp->rx_comp_prod = NEXT_RCQ_IDX(fp->rx_comp_prod);
8648
8649 /* Update producers */
8650 bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod,
8651 fp->rx_sge_prod);
8652 mmiowb(); /* keep prod updates ordered */
8653
8654test_loopback_exit:
8655 bp->link_params.loopback_mode = LOOPBACK_NONE;
8656
8657 return rc;
8658}
8659
8660static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up)
8661{
8662 int rc = 0;
8663
8664 if (!netif_running(bp->dev))
8665 return BNX2X_LOOPBACK_FAILED;
8666
8667 bnx2x_netif_stop(bp);
8668
8669 if (bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up)) {
8670 DP(NETIF_MSG_PROBE, "MAC loopback failed\n");
8671 rc |= BNX2X_MAC_LOOPBACK_FAILED;
8672 }
8673
8674 if (bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up)) {
8675 DP(NETIF_MSG_PROBE, "PHY loopback failed\n");
8676 rc |= BNX2X_PHY_LOOPBACK_FAILED;
8677 }
8678
8679 bnx2x_netif_start(bp);
8680
8681 return rc;
8682}
8683
8684#define CRC32_RESIDUAL 0xdebb20e3
8685
8686static int bnx2x_test_nvram(struct bnx2x *bp)
8687{
8688 static const struct {
8689 int offset;
8690 int size;
8691 } nvram_tbl[] = {
8692 { 0, 0x14 }, /* bootstrap */
8693 { 0x14, 0xec }, /* dir */
8694 { 0x100, 0x350 }, /* manuf_info */
8695 { 0x450, 0xf0 }, /* feature_info */
8696 { 0x640, 0x64 }, /* upgrade_key_info */
8697 { 0x6a4, 0x64 },
8698 { 0x708, 0x70 }, /* manuf_key_info */
8699 { 0x778, 0x70 },
8700 { 0, 0 }
8701 };
8702 u32 buf[0x350 / 4];
8703 u8 *data = (u8 *)buf;
8704 int i, rc;
8705 u32 magic, csum;
8706
8707 rc = bnx2x_nvram_read(bp, 0, data, 4);
8708 if (rc) {
8709 DP(NETIF_MSG_PROBE, "magic value read (rc -%d)\n", -rc);
8710 goto test_nvram_exit;
8711 }
8712
8713 magic = be32_to_cpu(buf[0]);
8714 if (magic != 0x669955aa) {
8715 DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
8716 rc = -ENODEV;
8717 goto test_nvram_exit;
8718 }
8719
8720 for (i = 0; nvram_tbl[i].size; i++) {
8721
8722 rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
8723 nvram_tbl[i].size);
8724 if (rc) {
8725 DP(NETIF_MSG_PROBE,
8726 "nvram_tbl[%d] read data (rc -%d)\n", i, -rc);
8727 goto test_nvram_exit;
8728 }
8729
8730 csum = ether_crc_le(nvram_tbl[i].size, data);
8731 if (csum != CRC32_RESIDUAL) {
8732 DP(NETIF_MSG_PROBE,
8733 "nvram_tbl[%d] csum value (0x%08x)\n", i, csum);
8734 rc = -ENODEV;
8735 goto test_nvram_exit;
8736 }
8737 }
8738
8739test_nvram_exit:
8740 return rc;
8741}
8742
8743static int bnx2x_test_intr(struct bnx2x *bp)
8744{
8745 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
8746 int i, rc;
8747
8748 if (!netif_running(bp->dev))
8749 return -ENODEV;
8750
8751 config->hdr.length_6b = 0;
8752 config->hdr.offset = 0;
8753 config->hdr.client_id = BP_CL_ID(bp);
8754 config->hdr.reserved1 = 0;
8755
8756 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
8757 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
8758 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
8759 if (rc == 0) {
8760 bp->set_mac_pending++;
8761 for (i = 0; i < 10; i++) {
8762 if (!bp->set_mac_pending)
8763 break;
8764 msleep_interruptible(10);
8765 }
8766 if (i == 10)
8767 rc = -ENODEV;
8768 }
8769
8770 return rc;
8771}
8772
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008773static void bnx2x_self_test(struct net_device *dev,
8774 struct ethtool_test *etest, u64 *buf)
8775{
8776 struct bnx2x *bp = netdev_priv(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008777
8778 memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
8779
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008780 if (!netif_running(dev))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008781 return;
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008782
8783 /* offline tests are not suppoerted in MF mode */
8784 if (IS_E1HMF(bp))
8785 etest->flags &= ~ETH_TEST_FL_OFFLINE;
8786
8787 if (etest->flags & ETH_TEST_FL_OFFLINE) {
8788 u8 link_up;
8789
8790 link_up = bp->link_vars.link_up;
8791 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8792 bnx2x_nic_load(bp, LOAD_DIAG);
8793 /* wait until link state is restored */
8794 bnx2x_wait_for_link(bp, link_up);
8795
8796 if (bnx2x_test_registers(bp) != 0) {
8797 buf[0] = 1;
8798 etest->flags |= ETH_TEST_FL_FAILED;
8799 }
8800 if (bnx2x_test_memory(bp) != 0) {
8801 buf[1] = 1;
8802 etest->flags |= ETH_TEST_FL_FAILED;
8803 }
8804 buf[2] = bnx2x_test_loopback(bp, link_up);
8805 if (buf[2] != 0)
8806 etest->flags |= ETH_TEST_FL_FAILED;
8807
8808 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8809 bnx2x_nic_load(bp, LOAD_NORMAL);
8810 /* wait until link state is restored */
8811 bnx2x_wait_for_link(bp, link_up);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008812 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008813 if (bnx2x_test_nvram(bp) != 0) {
8814 buf[3] = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008815 etest->flags |= ETH_TEST_FL_FAILED;
8816 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008817 if (bnx2x_test_intr(bp) != 0) {
8818 buf[4] = 1;
8819 etest->flags |= ETH_TEST_FL_FAILED;
8820 }
8821 if (bp->port.pmf)
8822 if (bnx2x_link_test(bp) != 0) {
8823 buf[5] = 1;
8824 etest->flags |= ETH_TEST_FL_FAILED;
8825 }
8826 buf[7] = bnx2x_mc_assert(bp);
8827 if (buf[7] != 0)
8828 etest->flags |= ETH_TEST_FL_FAILED;
8829
8830#ifdef BNX2X_EXTRA_DEBUG
8831 bnx2x_panic_dump(bp);
8832#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008833}
8834
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008835static const struct {
8836 long offset;
8837 int size;
8838 u32 flags;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008839 char string[ETH_GSTRING_LEN];
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008840} bnx2x_stats_arr[BNX2X_NUM_STATS] = {
8841/* 1 */ { STATS_OFFSET32(valid_bytes_received_hi), 8, 1, "rx_bytes" },
8842 { STATS_OFFSET32(error_bytes_received_hi), 8, 1, "rx_error_bytes" },
8843 { STATS_OFFSET32(total_bytes_transmitted_hi), 8, 1, "tx_bytes" },
8844 { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi), 8, 0, "tx_error_bytes" },
8845 { STATS_OFFSET32(total_unicast_packets_received_hi),
8846 8, 1, "rx_ucast_packets" },
8847 { STATS_OFFSET32(total_multicast_packets_received_hi),
8848 8, 1, "rx_mcast_packets" },
8849 { STATS_OFFSET32(total_broadcast_packets_received_hi),
8850 8, 1, "rx_bcast_packets" },
8851 { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
8852 8, 1, "tx_packets" },
8853 { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
8854 8, 0, "tx_mac_errors" },
8855/* 10 */{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
8856 8, 0, "tx_carrier_errors" },
8857 { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
8858 8, 0, "rx_crc_errors" },
8859 { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
8860 8, 0, "rx_align_errors" },
8861 { STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
8862 8, 0, "tx_single_collisions" },
8863 { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
8864 8, 0, "tx_multi_collisions" },
8865 { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
8866 8, 0, "tx_deferred" },
8867 { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
8868 8, 0, "tx_excess_collisions" },
8869 { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
8870 8, 0, "tx_late_collisions" },
8871 { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
8872 8, 0, "tx_total_collisions" },
8873 { STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
8874 8, 0, "rx_fragments" },
8875/* 20 */{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi), 8, 0, "rx_jabbers" },
8876 { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
8877 8, 0, "rx_undersize_packets" },
8878 { STATS_OFFSET32(jabber_packets_received),
8879 4, 1, "rx_oversize_packets" },
8880 { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
8881 8, 0, "tx_64_byte_packets" },
8882 { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
8883 8, 0, "tx_65_to_127_byte_packets" },
8884 { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
8885 8, 0, "tx_128_to_255_byte_packets" },
8886 { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
8887 8, 0, "tx_256_to_511_byte_packets" },
8888 { STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
8889 8, 0, "tx_512_to_1023_byte_packets" },
8890 { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
8891 8, 0, "tx_1024_to_1522_byte_packets" },
8892 { STATS_OFFSET32(etherstatspktsover1522octets_hi),
8893 8, 0, "tx_1523_to_9022_byte_packets" },
8894/* 30 */{ STATS_OFFSET32(rx_stat_xonpauseframesreceived_hi),
8895 8, 0, "rx_xon_frames" },
8896 { STATS_OFFSET32(rx_stat_xoffpauseframesreceived_hi),
8897 8, 0, "rx_xoff_frames" },
8898 { STATS_OFFSET32(tx_stat_outxonsent_hi), 8, 0, "tx_xon_frames" },
8899 { STATS_OFFSET32(tx_stat_outxoffsent_hi), 8, 0, "tx_xoff_frames" },
8900 { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
8901 8, 0, "rx_mac_ctrl_frames" },
8902 { STATS_OFFSET32(mac_filter_discard), 4, 1, "rx_filtered_packets" },
8903 { STATS_OFFSET32(no_buff_discard), 4, 1, "rx_discards" },
8904 { STATS_OFFSET32(xxoverflow_discard), 4, 1, "rx_fw_discards" },
8905 { STATS_OFFSET32(brb_drop_hi), 8, 1, "brb_discard" },
8906/* 39 */{ STATS_OFFSET32(brb_truncate_discard), 8, 1, "brb_truncate" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008907};
8908
8909static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
8910{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008911 struct bnx2x *bp = netdev_priv(dev);
8912 int i, j;
8913
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008914 switch (stringset) {
8915 case ETH_SS_STATS:
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008916 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
8917 if (IS_E1HMF(bp) && (!bnx2x_stats_arr[i].flags))
8918 continue;
8919 strcpy(buf + j*ETH_GSTRING_LEN,
8920 bnx2x_stats_arr[i].string);
8921 j++;
8922 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008923 break;
8924
8925 case ETH_SS_TEST:
8926 memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
8927 break;
8928 }
8929}
8930
8931static int bnx2x_get_stats_count(struct net_device *dev)
8932{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008933 struct bnx2x *bp = netdev_priv(dev);
8934 int i, num_stats = 0;
8935
8936 for (i = 0; i < BNX2X_NUM_STATS; i++) {
8937 if (IS_E1HMF(bp) && (!bnx2x_stats_arr[i].flags))
8938 continue;
8939 num_stats++;
8940 }
8941 return num_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008942}
8943
8944static void bnx2x_get_ethtool_stats(struct net_device *dev,
8945 struct ethtool_stats *stats, u64 *buf)
8946{
8947 struct bnx2x *bp = netdev_priv(dev);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008948 u32 *hw_stats = (u32 *)&bp->eth_stats;
8949 int i, j;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008950
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008951 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
8952 if (IS_E1HMF(bp) && (!bnx2x_stats_arr[i].flags))
8953 continue;
8954
8955 if (bnx2x_stats_arr[i].size == 0) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008956 /* skip this counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008957 buf[j] = 0;
8958 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008959 continue;
8960 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008961 if (bnx2x_stats_arr[i].size == 4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008962 /* 4-byte counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008963 buf[j] = (u64) *(hw_stats + bnx2x_stats_arr[i].offset);
8964 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008965 continue;
8966 }
8967 /* 8-byte counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008968 buf[j] = HILO_U64(*(hw_stats + bnx2x_stats_arr[i].offset),
8969 *(hw_stats + bnx2x_stats_arr[i].offset + 1));
8970 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008971 }
8972}
8973
8974static int bnx2x_phys_id(struct net_device *dev, u32 data)
8975{
8976 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008977 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008978 int i;
8979
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008980 if (!netif_running(dev))
8981 return 0;
8982
8983 if (!bp->port.pmf)
8984 return 0;
8985
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008986 if (data == 0)
8987 data = 2;
8988
8989 for (i = 0; i < (data * 2); i++) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008990 if ((i % 2) == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008991 bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008992 bp->link_params.hw_led_mode,
8993 bp->link_params.chip_id);
8994 else
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008995 bnx2x_set_led(bp, port, LED_MODE_OFF, 0,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008996 bp->link_params.hw_led_mode,
8997 bp->link_params.chip_id);
8998
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008999 msleep_interruptible(500);
9000 if (signal_pending(current))
9001 break;
9002 }
9003
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009004 if (bp->link_vars.link_up)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009005 bnx2x_set_led(bp, port, LED_MODE_OPER,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009006 bp->link_vars.line_speed,
9007 bp->link_params.hw_led_mode,
9008 bp->link_params.chip_id);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009009
9010 return 0;
9011}
9012
9013static struct ethtool_ops bnx2x_ethtool_ops = {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009014 .get_settings = bnx2x_get_settings,
9015 .set_settings = bnx2x_set_settings,
9016 .get_drvinfo = bnx2x_get_drvinfo,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009017 .get_wol = bnx2x_get_wol,
9018 .set_wol = bnx2x_set_wol,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009019 .get_msglevel = bnx2x_get_msglevel,
9020 .set_msglevel = bnx2x_set_msglevel,
9021 .nway_reset = bnx2x_nway_reset,
9022 .get_link = ethtool_op_get_link,
9023 .get_eeprom_len = bnx2x_get_eeprom_len,
9024 .get_eeprom = bnx2x_get_eeprom,
9025 .set_eeprom = bnx2x_set_eeprom,
9026 .get_coalesce = bnx2x_get_coalesce,
9027 .set_coalesce = bnx2x_set_coalesce,
9028 .get_ringparam = bnx2x_get_ringparam,
9029 .set_ringparam = bnx2x_set_ringparam,
9030 .get_pauseparam = bnx2x_get_pauseparam,
9031 .set_pauseparam = bnx2x_set_pauseparam,
9032 .get_rx_csum = bnx2x_get_rx_csum,
9033 .set_rx_csum = bnx2x_set_rx_csum,
9034 .get_tx_csum = ethtool_op_get_tx_csum,
Eilon Greenstein755735e2008-06-23 20:35:13 -07009035 .set_tx_csum = ethtool_op_set_tx_hw_csum,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009036 .set_flags = bnx2x_set_flags,
9037 .get_flags = ethtool_op_get_flags,
9038 .get_sg = ethtool_op_get_sg,
9039 .set_sg = ethtool_op_set_sg,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009040 .get_tso = ethtool_op_get_tso,
9041 .set_tso = bnx2x_set_tso,
9042 .self_test_count = bnx2x_self_test_count,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009043 .self_test = bnx2x_self_test,
9044 .get_strings = bnx2x_get_strings,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009045 .phys_id = bnx2x_phys_id,
9046 .get_stats_count = bnx2x_get_stats_count,
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009047 .get_ethtool_stats = bnx2x_get_ethtool_stats,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009048};
9049
9050/* end of ethtool_ops */
9051
9052/****************************************************************************
9053* General service functions
9054****************************************************************************/
9055
9056static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
9057{
9058 u16 pmcsr;
9059
9060 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
9061
9062 switch (state) {
9063 case PCI_D0:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009064 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009065 ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
9066 PCI_PM_CTRL_PME_STATUS));
9067
9068 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
9069 /* delay required during transition out of D3hot */
9070 msleep(20);
9071 break;
9072
9073 case PCI_D3hot:
9074 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
9075 pmcsr |= 3;
9076
9077 if (bp->wol)
9078 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
9079
9080 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
9081 pmcsr);
9082
9083 /* No more memory access after this point until
9084 * device is brought back to D0.
9085 */
9086 break;
9087
9088 default:
9089 return -EINVAL;
9090 }
9091 return 0;
9092}
9093
9094/*
9095 * net_device service functions
9096 */
9097
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009098static int bnx2x_poll(struct napi_struct *napi, int budget)
9099{
9100 struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath,
9101 napi);
9102 struct bnx2x *bp = fp->bp;
9103 int work_done = 0;
9104
9105#ifdef BNX2X_STOP_ON_ERROR
9106 if (unlikely(bp->panic))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009107 goto poll_panic;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009108#endif
9109
9110 prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb);
9111 prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb);
9112 prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256);
9113
9114 bnx2x_update_fpsb_idx(fp);
9115
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009116 if ((fp->tx_pkt_prod != le16_to_cpu(*fp->tx_cons_sb)) ||
9117 (fp->tx_pkt_prod != fp->tx_pkt_cons))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009118 bnx2x_tx_int(fp, budget);
9119
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009120 if (le16_to_cpu(*fp->rx_cons_sb) != fp->rx_comp_cons)
9121 work_done = bnx2x_rx_int(fp, budget);
9122
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009123 rmb(); /* bnx2x_has_work() reads the status block */
9124
9125 /* must not complete if we consumed full budget */
9126 if ((work_done < budget) && !bnx2x_has_work(fp)) {
9127
9128#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009129poll_panic:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009130#endif
9131 netif_rx_complete(bp->dev, napi);
9132
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009133 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009134 le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009135 bnx2x_ack_sb(bp, FP_SB_ID(fp), CSTORM_ID,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009136 le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
9137 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009138 return work_done;
9139}
9140
Eilon Greenstein755735e2008-06-23 20:35:13 -07009141
9142/* we split the first BD into headers and data BDs
9143 * to ease the pain of our fellow micocode engineers
9144 * we use one mapping for both BDs
9145 * So far this has only been observed to happen
9146 * in Other Operating Systems(TM)
9147 */
9148static noinline u16 bnx2x_tx_split(struct bnx2x *bp,
9149 struct bnx2x_fastpath *fp,
9150 struct eth_tx_bd **tx_bd, u16 hlen,
9151 u16 bd_prod, int nbd)
9152{
9153 struct eth_tx_bd *h_tx_bd = *tx_bd;
9154 struct eth_tx_bd *d_tx_bd;
9155 dma_addr_t mapping;
9156 int old_len = le16_to_cpu(h_tx_bd->nbytes);
9157
9158 /* first fix first BD */
9159 h_tx_bd->nbd = cpu_to_le16(nbd);
9160 h_tx_bd->nbytes = cpu_to_le16(hlen);
9161
9162 DP(NETIF_MSG_TX_QUEUED, "TSO split header size is %d "
9163 "(%x:%x) nbd %d\n", h_tx_bd->nbytes, h_tx_bd->addr_hi,
9164 h_tx_bd->addr_lo, h_tx_bd->nbd);
9165
9166 /* now get a new data BD
9167 * (after the pbd) and fill it */
9168 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9169 d_tx_bd = &fp->tx_desc_ring[bd_prod];
9170
9171 mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi),
9172 le32_to_cpu(h_tx_bd->addr_lo)) + hlen;
9173
9174 d_tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9175 d_tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9176 d_tx_bd->nbytes = cpu_to_le16(old_len - hlen);
9177 d_tx_bd->vlan = 0;
9178 /* this marks the BD as one that has no individual mapping
9179 * the FW ignores this flag in a BD not marked start
9180 */
9181 d_tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO;
9182 DP(NETIF_MSG_TX_QUEUED,
9183 "TSO split data size is %d (%x:%x)\n",
9184 d_tx_bd->nbytes, d_tx_bd->addr_hi, d_tx_bd->addr_lo);
9185
9186 /* update tx_bd for marking the last BD flag */
9187 *tx_bd = d_tx_bd;
9188
9189 return bd_prod;
9190}
9191
9192static inline u16 bnx2x_csum_fix(unsigned char *t_header, u16 csum, s8 fix)
9193{
9194 if (fix > 0)
9195 csum = (u16) ~csum_fold(csum_sub(csum,
9196 csum_partial(t_header - fix, fix, 0)));
9197
9198 else if (fix < 0)
9199 csum = (u16) ~csum_fold(csum_add(csum,
9200 csum_partial(t_header, -fix, 0)));
9201
9202 return swab16(csum);
9203}
9204
9205static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
9206{
9207 u32 rc;
9208
9209 if (skb->ip_summed != CHECKSUM_PARTIAL)
9210 rc = XMIT_PLAIN;
9211
9212 else {
9213 if (skb->protocol == ntohs(ETH_P_IPV6)) {
9214 rc = XMIT_CSUM_V6;
9215 if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
9216 rc |= XMIT_CSUM_TCP;
9217
9218 } else {
9219 rc = XMIT_CSUM_V4;
9220 if (ip_hdr(skb)->protocol == IPPROTO_TCP)
9221 rc |= XMIT_CSUM_TCP;
9222 }
9223 }
9224
9225 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4)
9226 rc |= XMIT_GSO_V4;
9227
9228 else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
9229 rc |= XMIT_GSO_V6;
9230
9231 return rc;
9232}
9233
9234/* check if packet requires linearization (packet is too fragmented) */
9235static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
9236 u32 xmit_type)
9237{
9238 int to_copy = 0;
9239 int hlen = 0;
9240 int first_bd_sz = 0;
9241
9242 /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
9243 if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) {
9244
9245 if (xmit_type & XMIT_GSO) {
9246 unsigned short lso_mss = skb_shinfo(skb)->gso_size;
9247 /* Check if LSO packet needs to be copied:
9248 3 = 1 (for headers BD) + 2 (for PBD and last BD) */
9249 int wnd_size = MAX_FETCH_BD - 3;
9250 /* Number of widnows to check */
9251 int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size;
9252 int wnd_idx = 0;
9253 int frag_idx = 0;
9254 u32 wnd_sum = 0;
9255
9256 /* Headers length */
9257 hlen = (int)(skb_transport_header(skb) - skb->data) +
9258 tcp_hdrlen(skb);
9259
9260 /* Amount of data (w/o headers) on linear part of SKB*/
9261 first_bd_sz = skb_headlen(skb) - hlen;
9262
9263 wnd_sum = first_bd_sz;
9264
9265 /* Calculate the first sum - it's special */
9266 for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++)
9267 wnd_sum +=
9268 skb_shinfo(skb)->frags[frag_idx].size;
9269
9270 /* If there was data on linear skb data - check it */
9271 if (first_bd_sz > 0) {
9272 if (unlikely(wnd_sum < lso_mss)) {
9273 to_copy = 1;
9274 goto exit_lbl;
9275 }
9276
9277 wnd_sum -= first_bd_sz;
9278 }
9279
9280 /* Others are easier: run through the frag list and
9281 check all windows */
9282 for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) {
9283 wnd_sum +=
9284 skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size;
9285
9286 if (unlikely(wnd_sum < lso_mss)) {
9287 to_copy = 1;
9288 break;
9289 }
9290 wnd_sum -=
9291 skb_shinfo(skb)->frags[wnd_idx].size;
9292 }
9293
9294 } else {
9295 /* in non-LSO too fragmented packet should always
9296 be linearized */
9297 to_copy = 1;
9298 }
9299 }
9300
9301exit_lbl:
9302 if (unlikely(to_copy))
9303 DP(NETIF_MSG_TX_QUEUED,
9304 "Linearization IS REQUIRED for %s packet. "
9305 "num_frags %d hlen %d first_bd_sz %d\n",
9306 (xmit_type & XMIT_GSO) ? "LSO" : "non-LSO",
9307 skb_shinfo(skb)->nr_frags, hlen, first_bd_sz);
9308
9309 return to_copy;
9310}
9311
9312/* called with netif_tx_lock
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009313 * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call
Eilon Greenstein755735e2008-06-23 20:35:13 -07009314 * netif_wake_queue()
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009315 */
9316static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
9317{
9318 struct bnx2x *bp = netdev_priv(dev);
9319 struct bnx2x_fastpath *fp;
9320 struct sw_tx_bd *tx_buf;
9321 struct eth_tx_bd *tx_bd;
9322 struct eth_tx_parse_bd *pbd = NULL;
9323 u16 pkt_prod, bd_prod;
Eilon Greenstein755735e2008-06-23 20:35:13 -07009324 int nbd, fp_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009325 dma_addr_t mapping;
Eilon Greenstein755735e2008-06-23 20:35:13 -07009326 u32 xmit_type = bnx2x_xmit_type(bp, skb);
9327 int vlan_off = (bp->e1hov ? 4 : 0);
9328 int i;
9329 u8 hlen = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009330
9331#ifdef BNX2X_STOP_ON_ERROR
9332 if (unlikely(bp->panic))
9333 return NETDEV_TX_BUSY;
9334#endif
9335
Eilon Greenstein755735e2008-06-23 20:35:13 -07009336 fp_index = (smp_processor_id() % bp->num_queues);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009337 fp = &bp->fp[fp_index];
Eilon Greenstein755735e2008-06-23 20:35:13 -07009338
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009339 if (unlikely(bnx2x_tx_avail(bp->fp) <
9340 (skb_shinfo(skb)->nr_frags + 3))) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009341 bp->eth_stats.driver_xoff++,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009342 netif_stop_queue(dev);
9343 BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
9344 return NETDEV_TX_BUSY;
9345 }
9346
Eilon Greenstein755735e2008-06-23 20:35:13 -07009347 DP(NETIF_MSG_TX_QUEUED, "SKB: summed %x protocol %x protocol(%x,%x)"
9348 " gso type %x xmit_type %x\n",
9349 skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr,
9350 ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type);
9351
9352 /* First, check if we need to linearaize the skb
9353 (due to FW restrictions) */
9354 if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) {
9355 /* Statistics of linearization */
9356 bp->lin_cnt++;
9357 if (skb_linearize(skb) != 0) {
9358 DP(NETIF_MSG_TX_QUEUED, "SKB linearization failed - "
9359 "silently dropping this SKB\n");
9360 dev_kfree_skb_any(skb);
9361 return 0;
9362 }
9363 }
9364
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009365 /*
Eilon Greenstein755735e2008-06-23 20:35:13 -07009366 Please read carefully. First we use one BD which we mark as start,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009367 then for TSO or xsum we have a parsing info BD,
Eilon Greenstein755735e2008-06-23 20:35:13 -07009368 and only then we have the rest of the TSO BDs.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009369 (don't forget to mark the last one as last,
9370 and to unmap only AFTER you write to the BD ...)
Eilon Greenstein755735e2008-06-23 20:35:13 -07009371 And above all, all pdb sizes are in words - NOT DWORDS!
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009372 */
9373
9374 pkt_prod = fp->tx_pkt_prod++;
Eilon Greenstein755735e2008-06-23 20:35:13 -07009375 bd_prod = TX_BD(fp->tx_bd_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009376
Eilon Greenstein755735e2008-06-23 20:35:13 -07009377 /* get a tx_buf and first BD */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009378 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
9379 tx_bd = &fp->tx_desc_ring[bd_prod];
9380
9381 tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
9382 tx_bd->general_data = (UNICAST_ADDRESS <<
9383 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT);
9384 tx_bd->general_data |= 1; /* header nbd */
9385
Eilon Greenstein755735e2008-06-23 20:35:13 -07009386 /* remember the first BD of the packet */
9387 tx_buf->first_bd = fp->tx_bd_prod;
9388 tx_buf->skb = skb;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009389
9390 DP(NETIF_MSG_TX_QUEUED,
9391 "sending pkt %u @%p next_idx %u bd %u @%p\n",
9392 pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_bd);
9393
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009394 if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb)) {
9395 tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb));
9396 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG;
Eilon Greenstein755735e2008-06-23 20:35:13 -07009397 vlan_off += 4;
9398 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009399 tx_bd->vlan = cpu_to_le16(pkt_prod);
Eilon Greenstein755735e2008-06-23 20:35:13 -07009400
9401 if (xmit_type) {
9402
9403 /* turn on parsing and get a BD */
9404 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9405 pbd = (void *)&fp->tx_desc_ring[bd_prod];
9406
9407 memset(pbd, 0, sizeof(struct eth_tx_parse_bd));
9408 }
9409
9410 if (xmit_type & XMIT_CSUM) {
9411 hlen = (skb_network_header(skb) - skb->data + vlan_off) / 2;
9412
9413 /* for now NS flag is not used in Linux */
9414 pbd->global_data = (hlen |
9415 ((skb->protocol == ntohs(ETH_P_8021Q)) <<
9416 ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT));
9417
9418 pbd->ip_hlen = (skb_transport_header(skb) -
9419 skb_network_header(skb)) / 2;
9420
9421 hlen += pbd->ip_hlen + tcp_hdrlen(skb) / 2;
9422
9423 pbd->total_hlen = cpu_to_le16(hlen);
9424 hlen = hlen*2 - vlan_off;
9425
9426 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM;
9427
9428 if (xmit_type & XMIT_CSUM_V4)
9429 tx_bd->bd_flags.as_bitfield |=
9430 ETH_TX_BD_FLAGS_IP_CSUM;
9431 else
9432 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IPV6;
9433
9434 if (xmit_type & XMIT_CSUM_TCP) {
9435 pbd->tcp_pseudo_csum = swab16(tcp_hdr(skb)->check);
9436
9437 } else {
9438 s8 fix = SKB_CS_OFF(skb); /* signed! */
9439
9440 pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG;
9441 pbd->cs_offset = fix / 2;
9442
9443 DP(NETIF_MSG_TX_QUEUED,
9444 "hlen %d offset %d fix %d csum before fix %x\n",
9445 le16_to_cpu(pbd->total_hlen), pbd->cs_offset, fix,
9446 SKB_CS(skb));
9447
9448 /* HW bug: fixup the CSUM */
9449 pbd->tcp_pseudo_csum =
9450 bnx2x_csum_fix(skb_transport_header(skb),
9451 SKB_CS(skb), fix);
9452
9453 DP(NETIF_MSG_TX_QUEUED, "csum after fix %x\n",
9454 pbd->tcp_pseudo_csum);
9455 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009456 }
9457
9458 mapping = pci_map_single(bp->pdev, skb->data,
Eilon Greenstein755735e2008-06-23 20:35:13 -07009459 skb_headlen(skb), PCI_DMA_TODEVICE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009460
9461 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9462 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9463 nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL)? 1 : 2);
9464 tx_bd->nbd = cpu_to_le16(nbd);
9465 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
9466
9467 DP(NETIF_MSG_TX_QUEUED, "first bd @%p addr (%x:%x) nbd %d"
Eilon Greenstein755735e2008-06-23 20:35:13 -07009468 " nbytes %d flags %x vlan %x\n",
9469 tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, le16_to_cpu(tx_bd->nbd),
9470 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield,
9471 le16_to_cpu(tx_bd->vlan));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009472
Eilon Greenstein755735e2008-06-23 20:35:13 -07009473 if (xmit_type & XMIT_GSO) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009474
9475 DP(NETIF_MSG_TX_QUEUED,
9476 "TSO packet len %d hlen %d total len %d tso size %d\n",
9477 skb->len, hlen, skb_headlen(skb),
9478 skb_shinfo(skb)->gso_size);
9479
9480 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO;
9481
Eilon Greenstein755735e2008-06-23 20:35:13 -07009482 if (unlikely(skb_headlen(skb) > hlen))
9483 bd_prod = bnx2x_tx_split(bp, fp, &tx_bd, hlen,
9484 bd_prod, ++nbd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009485
9486 pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
9487 pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq);
Eilon Greenstein755735e2008-06-23 20:35:13 -07009488 pbd->tcp_flags = pbd_tcp_flags(skb);
9489
9490 if (xmit_type & XMIT_GSO_V4) {
9491 pbd->ip_id = swab16(ip_hdr(skb)->id);
9492 pbd->tcp_pseudo_csum =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009493 swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr,
9494 ip_hdr(skb)->daddr,
9495 0, IPPROTO_TCP, 0));
Eilon Greenstein755735e2008-06-23 20:35:13 -07009496
9497 } else
9498 pbd->tcp_pseudo_csum =
9499 swab16(~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
9500 &ipv6_hdr(skb)->daddr,
9501 0, IPPROTO_TCP, 0));
9502
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009503 pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN;
9504 }
9505
Eilon Greenstein755735e2008-06-23 20:35:13 -07009506 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
9507 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009508
Eilon Greenstein755735e2008-06-23 20:35:13 -07009509 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9510 tx_bd = &fp->tx_desc_ring[bd_prod];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009511
Eilon Greenstein755735e2008-06-23 20:35:13 -07009512 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
9513 frag->size, PCI_DMA_TODEVICE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009514
Eilon Greenstein755735e2008-06-23 20:35:13 -07009515 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9516 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9517 tx_bd->nbytes = cpu_to_le16(frag->size);
9518 tx_bd->vlan = cpu_to_le16(pkt_prod);
9519 tx_bd->bd_flags.as_bitfield = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009520
Eilon Greenstein755735e2008-06-23 20:35:13 -07009521 DP(NETIF_MSG_TX_QUEUED,
9522 "frag %d bd @%p addr (%x:%x) nbytes %d flags %x\n",
9523 i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo,
9524 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009525 }
9526
Eilon Greenstein755735e2008-06-23 20:35:13 -07009527 /* now at last mark the BD as the last BD */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009528 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD;
9529
9530 DP(NETIF_MSG_TX_QUEUED, "last bd @%p flags %x\n",
9531 tx_bd, tx_bd->bd_flags.as_bitfield);
9532
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009533 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9534
Eilon Greenstein755735e2008-06-23 20:35:13 -07009535 /* now send a tx doorbell, counting the next BD
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009536 * if the packet contains or ends with it
9537 */
9538 if (TX_BD_POFF(bd_prod) < nbd)
9539 nbd++;
9540
9541 if (pbd)
9542 DP(NETIF_MSG_TX_QUEUED,
9543 "PBD @%p ip_data %x ip_hlen %u ip_id %u lso_mss %u"
9544 " tcp_flags %x xsum %x seq %u hlen %u\n",
9545 pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id,
9546 pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum,
Eilon Greenstein755735e2008-06-23 20:35:13 -07009547 pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009548
Eilon Greenstein755735e2008-06-23 20:35:13 -07009549 DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d bd %u\n", nbd, bd_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009550
Eliezer Tamir96fc1782008-02-28 11:57:55 -08009551 fp->hw_tx_prods->bds_prod =
9552 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + nbd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009553 mb(); /* FW restriction: must not reorder writing nbd and packets */
Eliezer Tamir96fc1782008-02-28 11:57:55 -08009554 fp->hw_tx_prods->packets_prod =
9555 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
Eilon Greenstein755735e2008-06-23 20:35:13 -07009556 DOORBELL(bp, FP_IDX(fp), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009557
9558 mmiowb();
9559
Eilon Greenstein755735e2008-06-23 20:35:13 -07009560 fp->tx_bd_prod += nbd;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009561 dev->trans_start = jiffies;
9562
9563 if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
9564 netif_stop_queue(dev);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009565 bp->eth_stats.driver_xoff++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009566 if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
9567 netif_wake_queue(dev);
9568 }
9569 fp->tx_pkt++;
9570
9571 return NETDEV_TX_OK;
9572}
9573
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009574/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009575static int bnx2x_open(struct net_device *dev)
9576{
9577 struct bnx2x *bp = netdev_priv(dev);
9578
9579 bnx2x_set_power_state(bp, PCI_D0);
9580
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009581 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009582}
9583
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009584/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009585static int bnx2x_close(struct net_device *dev)
9586{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009587 struct bnx2x *bp = netdev_priv(dev);
9588
9589 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009590 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
9591 if (atomic_read(&bp->pdev->enable_cnt) == 1)
9592 if (!CHIP_REV_IS_SLOW(bp))
9593 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009594
9595 return 0;
9596}
9597
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009598/* called with netif_tx_lock from set_multicast */
9599static void bnx2x_set_rx_mode(struct net_device *dev)
9600{
9601 struct bnx2x *bp = netdev_priv(dev);
9602 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
9603 int port = BP_PORT(bp);
9604
9605 if (bp->state != BNX2X_STATE_OPEN) {
9606 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
9607 return;
9608 }
9609
9610 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
9611
9612 if (dev->flags & IFF_PROMISC)
9613 rx_mode = BNX2X_RX_MODE_PROMISC;
9614
9615 else if ((dev->flags & IFF_ALLMULTI) ||
9616 ((dev->mc_count > BNX2X_MAX_MULTICAST) && CHIP_IS_E1(bp)))
9617 rx_mode = BNX2X_RX_MODE_ALLMULTI;
9618
9619 else { /* some multicasts */
9620 if (CHIP_IS_E1(bp)) {
9621 int i, old, offset;
9622 struct dev_mc_list *mclist;
9623 struct mac_configuration_cmd *config =
9624 bnx2x_sp(bp, mcast_config);
9625
9626 for (i = 0, mclist = dev->mc_list;
9627 mclist && (i < dev->mc_count);
9628 i++, mclist = mclist->next) {
9629
9630 config->config_table[i].
9631 cam_entry.msb_mac_addr =
9632 swab16(*(u16 *)&mclist->dmi_addr[0]);
9633 config->config_table[i].
9634 cam_entry.middle_mac_addr =
9635 swab16(*(u16 *)&mclist->dmi_addr[2]);
9636 config->config_table[i].
9637 cam_entry.lsb_mac_addr =
9638 swab16(*(u16 *)&mclist->dmi_addr[4]);
9639 config->config_table[i].cam_entry.flags =
9640 cpu_to_le16(port);
9641 config->config_table[i].
9642 target_table_entry.flags = 0;
9643 config->config_table[i].
9644 target_table_entry.client_id = 0;
9645 config->config_table[i].
9646 target_table_entry.vlan_id = 0;
9647
9648 DP(NETIF_MSG_IFUP,
9649 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
9650 config->config_table[i].
9651 cam_entry.msb_mac_addr,
9652 config->config_table[i].
9653 cam_entry.middle_mac_addr,
9654 config->config_table[i].
9655 cam_entry.lsb_mac_addr);
9656 }
9657 old = config->hdr.length_6b;
9658 if (old > i) {
9659 for (; i < old; i++) {
9660 if (CAM_IS_INVALID(config->
9661 config_table[i])) {
9662 i--; /* already invalidated */
9663 break;
9664 }
9665 /* invalidate */
9666 CAM_INVALIDATE(config->
9667 config_table[i]);
9668 }
9669 }
9670
9671 if (CHIP_REV_IS_SLOW(bp))
9672 offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
9673 else
9674 offset = BNX2X_MAX_MULTICAST*(1 + port);
9675
9676 config->hdr.length_6b = i;
9677 config->hdr.offset = offset;
9678 config->hdr.client_id = BP_CL_ID(bp);
9679 config->hdr.reserved1 = 0;
9680
9681 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
9682 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
9683 U64_LO(bnx2x_sp_mapping(bp, mcast_config)),
9684 0);
9685 } else { /* E1H */
9686 /* Accept one or more multicasts */
9687 struct dev_mc_list *mclist;
9688 u32 mc_filter[MC_HASH_SIZE];
9689 u32 crc, bit, regidx;
9690 int i;
9691
9692 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
9693
9694 for (i = 0, mclist = dev->mc_list;
9695 mclist && (i < dev->mc_count);
9696 i++, mclist = mclist->next) {
9697
9698 DP(NETIF_MSG_IFUP, "Adding mcast MAC: "
9699 "%02x:%02x:%02x:%02x:%02x:%02x\n",
9700 mclist->dmi_addr[0], mclist->dmi_addr[1],
9701 mclist->dmi_addr[2], mclist->dmi_addr[3],
9702 mclist->dmi_addr[4], mclist->dmi_addr[5]);
9703
9704 crc = crc32c_le(0, mclist->dmi_addr, ETH_ALEN);
9705 bit = (crc >> 24) & 0xff;
9706 regidx = bit >> 5;
9707 bit &= 0x1f;
9708 mc_filter[regidx] |= (1 << bit);
9709 }
9710
9711 for (i = 0; i < MC_HASH_SIZE; i++)
9712 REG_WR(bp, MC_HASH_OFFSET(bp, i),
9713 mc_filter[i]);
9714 }
9715 }
9716
9717 bp->rx_mode = rx_mode;
9718 bnx2x_set_storm_rx_mode(bp);
9719}
9720
9721/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009722static int bnx2x_change_mac_addr(struct net_device *dev, void *p)
9723{
9724 struct sockaddr *addr = p;
9725 struct bnx2x *bp = netdev_priv(dev);
9726
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009727 if (!is_valid_ether_addr((u8 *)(addr->sa_data)))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009728 return -EINVAL;
9729
9730 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009731 if (netif_running(dev)) {
9732 if (CHIP_IS_E1(bp))
9733 bnx2x_set_mac_addr_e1(bp);
9734 else
9735 bnx2x_set_mac_addr_e1h(bp);
9736 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009737
9738 return 0;
9739}
9740
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009741/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009742static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9743{
9744 struct mii_ioctl_data *data = if_mii(ifr);
9745 struct bnx2x *bp = netdev_priv(dev);
9746 int err;
9747
9748 switch (cmd) {
9749 case SIOCGMIIPHY:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009750 data->phy_id = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009751
Eliezer Tamirc14423f2008-02-28 11:49:42 -08009752 /* fallthrough */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009753
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009754 case SIOCGMIIREG: {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009755 u16 mii_regval;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009756
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009757 if (!netif_running(dev))
9758 return -EAGAIN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009759
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009760 mutex_lock(&bp->port.phy_mutex);
9761 err = bnx2x_cl45_read(bp, BP_PORT(bp), 0, bp->port.phy_addr,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009762 DEFAULT_PHY_DEV_ADDR,
9763 (data->reg_num & 0x1f), &mii_regval);
9764 data->val_out = mii_regval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009765 mutex_unlock(&bp->port.phy_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009766 return err;
9767 }
9768
9769 case SIOCSMIIREG:
9770 if (!capable(CAP_NET_ADMIN))
9771 return -EPERM;
9772
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009773 if (!netif_running(dev))
9774 return -EAGAIN;
9775
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009776 mutex_lock(&bp->port.phy_mutex);
9777 err = bnx2x_cl45_write(bp, BP_PORT(bp), 0, bp->port.phy_addr,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009778 DEFAULT_PHY_DEV_ADDR,
9779 (data->reg_num & 0x1f), data->val_in);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009780 mutex_unlock(&bp->port.phy_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009781 return err;
9782
9783 default:
9784 /* do nothing */
9785 break;
9786 }
9787
9788 return -EOPNOTSUPP;
9789}
9790
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009791/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009792static int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
9793{
9794 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009795 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009796
9797 if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) ||
9798 ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE))
9799 return -EINVAL;
9800
9801 /* This does not race with packet allocation
Eliezer Tamirc14423f2008-02-28 11:49:42 -08009802 * because the actual alloc size is
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009803 * only updated as part of load
9804 */
9805 dev->mtu = new_mtu;
9806
9807 if (netif_running(dev)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009808 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
9809 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009810 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009811
9812 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009813}
9814
9815static void bnx2x_tx_timeout(struct net_device *dev)
9816{
9817 struct bnx2x *bp = netdev_priv(dev);
9818
9819#ifdef BNX2X_STOP_ON_ERROR
9820 if (!bp->panic)
9821 bnx2x_panic();
9822#endif
9823 /* This allows the netif to be shutdown gracefully before resetting */
9824 schedule_work(&bp->reset_task);
9825}
9826
9827#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009828/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009829static void bnx2x_vlan_rx_register(struct net_device *dev,
9830 struct vlan_group *vlgrp)
9831{
9832 struct bnx2x *bp = netdev_priv(dev);
9833
9834 bp->vlgrp = vlgrp;
9835 if (netif_running(dev))
Eliezer Tamir49d66772008-02-28 11:53:13 -08009836 bnx2x_set_client_config(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009837}
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009838
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009839#endif
9840
9841#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
9842static void poll_bnx2x(struct net_device *dev)
9843{
9844 struct bnx2x *bp = netdev_priv(dev);
9845
9846 disable_irq(bp->pdev->irq);
9847 bnx2x_interrupt(bp->pdev->irq, dev);
9848 enable_irq(bp->pdev->irq);
9849}
9850#endif
9851
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009852static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
9853 struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009854{
9855 struct bnx2x *bp;
9856 int rc;
9857
9858 SET_NETDEV_DEV(dev, &pdev->dev);
9859 bp = netdev_priv(dev);
9860
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009861 bp->dev = dev;
9862 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009863 bp->flags = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009864 bp->func = PCI_FUNC(pdev->devfn);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009865
9866 rc = pci_enable_device(pdev);
9867 if (rc) {
9868 printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n");
9869 goto err_out;
9870 }
9871
9872 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
9873 printk(KERN_ERR PFX "Cannot find PCI device base address,"
9874 " aborting\n");
9875 rc = -ENODEV;
9876 goto err_out_disable;
9877 }
9878
9879 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
9880 printk(KERN_ERR PFX "Cannot find second PCI device"
9881 " base address, aborting\n");
9882 rc = -ENODEV;
9883 goto err_out_disable;
9884 }
9885
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009886 if (atomic_read(&pdev->enable_cnt) == 1) {
9887 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
9888 if (rc) {
9889 printk(KERN_ERR PFX "Cannot obtain PCI resources,"
9890 " aborting\n");
9891 goto err_out_disable;
9892 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009893
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009894 pci_set_master(pdev);
9895 pci_save_state(pdev);
9896 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009897
9898 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
9899 if (bp->pm_cap == 0) {
9900 printk(KERN_ERR PFX "Cannot find power management"
9901 " capability, aborting\n");
9902 rc = -EIO;
9903 goto err_out_release;
9904 }
9905
9906 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
9907 if (bp->pcie_cap == 0) {
9908 printk(KERN_ERR PFX "Cannot find PCI Express capability,"
9909 " aborting\n");
9910 rc = -EIO;
9911 goto err_out_release;
9912 }
9913
9914 if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
9915 bp->flags |= USING_DAC_FLAG;
9916 if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
9917 printk(KERN_ERR PFX "pci_set_consistent_dma_mask"
9918 " failed, aborting\n");
9919 rc = -EIO;
9920 goto err_out_release;
9921 }
9922
9923 } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
9924 printk(KERN_ERR PFX "System does not support DMA,"
9925 " aborting\n");
9926 rc = -EIO;
9927 goto err_out_release;
9928 }
9929
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009930 dev->mem_start = pci_resource_start(pdev, 0);
9931 dev->base_addr = dev->mem_start;
9932 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009933
9934 dev->irq = pdev->irq;
9935
9936 bp->regview = ioremap_nocache(dev->base_addr,
9937 pci_resource_len(pdev, 0));
9938 if (!bp->regview) {
9939 printk(KERN_ERR PFX "Cannot map register space, aborting\n");
9940 rc = -ENOMEM;
9941 goto err_out_release;
9942 }
9943
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009944 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
9945 min_t(u64, BNX2X_DB_SIZE,
9946 pci_resource_len(pdev, 2)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009947 if (!bp->doorbells) {
9948 printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n");
9949 rc = -ENOMEM;
9950 goto err_out_unmap;
9951 }
9952
9953 bnx2x_set_power_state(bp, PCI_D0);
9954
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009955 /* clean indirect addresses */
9956 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
9957 PCICFG_VENDOR_ID_OFFSET);
9958 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
9959 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
9960 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
9961 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009962
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009963 dev->hard_start_xmit = bnx2x_start_xmit;
9964 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009965
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009966 dev->ethtool_ops = &bnx2x_ethtool_ops;
9967 dev->open = bnx2x_open;
9968 dev->stop = bnx2x_close;
9969 dev->set_multicast_list = bnx2x_set_rx_mode;
9970 dev->set_mac_address = bnx2x_change_mac_addr;
9971 dev->do_ioctl = bnx2x_ioctl;
9972 dev->change_mtu = bnx2x_change_mtu;
9973 dev->tx_timeout = bnx2x_tx_timeout;
9974#ifdef BCM_VLAN
9975 dev->vlan_rx_register = bnx2x_vlan_rx_register;
9976#endif
9977#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
9978 dev->poll_controller = poll_bnx2x;
9979#endif
9980 dev->features |= NETIF_F_SG;
9981 dev->features |= NETIF_F_HW_CSUM;
9982 if (bp->flags & USING_DAC_FLAG)
9983 dev->features |= NETIF_F_HIGHDMA;
9984#ifdef BCM_VLAN
9985 dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
9986#endif
9987 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735e2008-06-23 20:35:13 -07009988 dev->features |= NETIF_F_TSO6;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009989
9990 return 0;
9991
9992err_out_unmap:
9993 if (bp->regview) {
9994 iounmap(bp->regview);
9995 bp->regview = NULL;
9996 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009997 if (bp->doorbells) {
9998 iounmap(bp->doorbells);
9999 bp->doorbells = NULL;
10000 }
10001
10002err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010003 if (atomic_read(&pdev->enable_cnt) == 1)
10004 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010005
10006err_out_disable:
10007 pci_disable_device(pdev);
10008 pci_set_drvdata(pdev, NULL);
10009
10010err_out:
10011 return rc;
10012}
10013
Eliezer Tamir25047952008-02-28 11:50:16 -080010014static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp)
10015{
10016 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10017
10018 val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
10019 return val;
10020}
10021
10022/* return value of 1=2.5GHz 2=5GHz */
10023static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp)
10024{
10025 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10026
10027 val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
10028 return val;
10029}
10030
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010031static int __devinit bnx2x_init_one(struct pci_dev *pdev,
10032 const struct pci_device_id *ent)
10033{
10034 static int version_printed;
10035 struct net_device *dev = NULL;
10036 struct bnx2x *bp;
Eliezer Tamir25047952008-02-28 11:50:16 -080010037 int rc;
Eliezer Tamir25047952008-02-28 11:50:16 -080010038 DECLARE_MAC_BUF(mac);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010039
10040 if (version_printed++ == 0)
10041 printk(KERN_INFO "%s", version);
10042
10043 /* dev zeroed in init_etherdev */
10044 dev = alloc_etherdev(sizeof(*bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010045 if (!dev) {
10046 printk(KERN_ERR PFX "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010047 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010048 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010049
10050 netif_carrier_off(dev);
10051
10052 bp = netdev_priv(dev);
10053 bp->msglevel = debug;
10054
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010055 rc = bnx2x_init_dev(pdev, dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010056 if (rc < 0) {
10057 free_netdev(dev);
10058 return rc;
10059 }
10060
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010061 rc = register_netdev(dev);
10062 if (rc) {
Eliezer Tamirc14423f2008-02-28 11:49:42 -080010063 dev_err(&pdev->dev, "Cannot register net device\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010064 goto init_one_exit;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010065 }
10066
10067 pci_set_drvdata(pdev, dev);
10068
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010069 rc = bnx2x_init_bp(bp);
10070 if (rc) {
10071 unregister_netdev(dev);
10072 goto init_one_exit;
10073 }
10074
10075 bp->common.name = board_info[ent->driver_data].name;
Eliezer Tamir25047952008-02-28 11:50:16 -080010076 printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx,"
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010077 " IRQ %d, ", dev->name, bp->common.name,
10078 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
Eliezer Tamir25047952008-02-28 11:50:16 -080010079 bnx2x_get_pcie_width(bp),
10080 (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz",
10081 dev->base_addr, bp->pdev->irq);
10082 printk(KERN_CONT "node addr %s\n", print_mac(mac, dev->dev_addr));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010083 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010084
10085init_one_exit:
10086 if (bp->regview)
10087 iounmap(bp->regview);
10088
10089 if (bp->doorbells)
10090 iounmap(bp->doorbells);
10091
10092 free_netdev(dev);
10093
10094 if (atomic_read(&pdev->enable_cnt) == 1)
10095 pci_release_regions(pdev);
10096
10097 pci_disable_device(pdev);
10098 pci_set_drvdata(pdev, NULL);
10099
10100 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010101}
10102
10103static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
10104{
10105 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010106 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010107
Eliezer Tamir228241e2008-02-28 11:56:57 -080010108 if (!dev) {
Eliezer Tamir228241e2008-02-28 11:56:57 -080010109 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10110 return;
10111 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010112 bp = netdev_priv(dev);
10113
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010114 unregister_netdev(dev);
10115
10116 if (bp->regview)
10117 iounmap(bp->regview);
10118
10119 if (bp->doorbells)
10120 iounmap(bp->doorbells);
10121
10122 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010123
10124 if (atomic_read(&pdev->enable_cnt) == 1)
10125 pci_release_regions(pdev);
10126
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010127 pci_disable_device(pdev);
10128 pci_set_drvdata(pdev, NULL);
10129}
10130
10131static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
10132{
10133 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010134 struct bnx2x *bp;
10135
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010136 if (!dev) {
10137 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10138 return -ENODEV;
10139 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010140 bp = netdev_priv(dev);
10141
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010142 rtnl_lock();
10143
10144 pci_save_state(pdev);
10145
10146 if (!netif_running(dev)) {
10147 rtnl_unlock();
10148 return 0;
10149 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010150
10151 netif_device_detach(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010152
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010153 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
10154
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010155 bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
Eliezer Tamir228241e2008-02-28 11:56:57 -080010156
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010157 rtnl_unlock();
10158
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010159 return 0;
10160}
10161
10162static int bnx2x_resume(struct pci_dev *pdev)
10163{
10164 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010165 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010166 int rc;
10167
Eliezer Tamir228241e2008-02-28 11:56:57 -080010168 if (!dev) {
10169 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10170 return -ENODEV;
10171 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010172 bp = netdev_priv(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010173
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010174 rtnl_lock();
10175
Eliezer Tamir228241e2008-02-28 11:56:57 -080010176 pci_restore_state(pdev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010177
10178 if (!netif_running(dev)) {
10179 rtnl_unlock();
10180 return 0;
10181 }
10182
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010183 bnx2x_set_power_state(bp, PCI_D0);
10184 netif_device_attach(dev);
10185
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010186 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010187
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010188 rtnl_unlock();
10189
10190 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010191}
10192
Wendy Xiong493adb12008-06-23 20:36:22 -070010193/**
10194 * bnx2x_io_error_detected - called when PCI error is detected
10195 * @pdev: Pointer to PCI device
10196 * @state: The current pci connection state
10197 *
10198 * This function is called after a PCI bus error affecting
10199 * this device has been detected.
10200 */
10201static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
10202 pci_channel_state_t state)
10203{
10204 struct net_device *dev = pci_get_drvdata(pdev);
10205 struct bnx2x *bp = netdev_priv(dev);
10206
10207 rtnl_lock();
10208
10209 netif_device_detach(dev);
10210
10211 if (netif_running(dev))
10212 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
10213
10214 pci_disable_device(pdev);
10215
10216 rtnl_unlock();
10217
10218 /* Request a slot reset */
10219 return PCI_ERS_RESULT_NEED_RESET;
10220}
10221
10222/**
10223 * bnx2x_io_slot_reset - called after the PCI bus has been reset
10224 * @pdev: Pointer to PCI device
10225 *
10226 * Restart the card from scratch, as if from a cold-boot.
10227 */
10228static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
10229{
10230 struct net_device *dev = pci_get_drvdata(pdev);
10231 struct bnx2x *bp = netdev_priv(dev);
10232
10233 rtnl_lock();
10234
10235 if (pci_enable_device(pdev)) {
10236 dev_err(&pdev->dev,
10237 "Cannot re-enable PCI device after reset\n");
10238 rtnl_unlock();
10239 return PCI_ERS_RESULT_DISCONNECT;
10240 }
10241
10242 pci_set_master(pdev);
10243 pci_restore_state(pdev);
10244
10245 if (netif_running(dev))
10246 bnx2x_set_power_state(bp, PCI_D0);
10247
10248 rtnl_unlock();
10249
10250 return PCI_ERS_RESULT_RECOVERED;
10251}
10252
10253/**
10254 * bnx2x_io_resume - called when traffic can start flowing again
10255 * @pdev: Pointer to PCI device
10256 *
10257 * This callback is called when the error recovery driver tells us that
10258 * its OK to resume normal operation.
10259 */
10260static void bnx2x_io_resume(struct pci_dev *pdev)
10261{
10262 struct net_device *dev = pci_get_drvdata(pdev);
10263 struct bnx2x *bp = netdev_priv(dev);
10264
10265 rtnl_lock();
10266
10267 if (netif_running(dev))
10268 bnx2x_nic_load(bp, LOAD_OPEN);
10269
10270 netif_device_attach(dev);
10271
10272 rtnl_unlock();
10273}
10274
10275static struct pci_error_handlers bnx2x_err_handler = {
10276 .error_detected = bnx2x_io_error_detected,
10277 .slot_reset = bnx2x_io_slot_reset,
10278 .resume = bnx2x_io_resume,
10279};
10280
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010281static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070010282 .name = DRV_MODULE_NAME,
10283 .id_table = bnx2x_pci_tbl,
10284 .probe = bnx2x_init_one,
10285 .remove = __devexit_p(bnx2x_remove_one),
10286 .suspend = bnx2x_suspend,
10287 .resume = bnx2x_resume,
10288 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010289};
10290
10291static int __init bnx2x_init(void)
10292{
10293 return pci_register_driver(&bnx2x_pci_driver);
10294}
10295
10296static void __exit bnx2x_cleanup(void)
10297{
10298 pci_unregister_driver(&bnx2x_pci_driver);
10299}
10300
10301module_init(bnx2x_init);
10302module_exit(bnx2x_cleanup);
10303