blob: 9eb8a3e6d629c1197e1a788b2cded5b8de3d0a79 [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 /* do we sometimes forward error packets anyway? */
1505 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001506 "ERROR flags %x rx packet %u\n",
1507 cqe_fp_flags, sw_comp_cons);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001508 /* TBD make sure MC counts this as a drop */
1509 goto reuse_rx;
1510 }
1511
1512 /* Since we don't have a jumbo ring
1513 * copy small packets if mtu > 1500
1514 */
1515 if ((bp->dev->mtu > ETH_MAX_PACKET_SIZE) &&
1516 (len <= RX_COPY_THRESH)) {
1517 struct sk_buff *new_skb;
1518
1519 new_skb = netdev_alloc_skb(bp->dev,
1520 len + pad);
1521 if (new_skb == NULL) {
1522 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001523 "ERROR packet dropped "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001524 "because of alloc failure\n");
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001525 fp->rx_alloc_failed++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001526 goto reuse_rx;
1527 }
1528
1529 /* aligned copy */
1530 skb_copy_from_linear_data_offset(skb, pad,
1531 new_skb->data + pad, len);
1532 skb_reserve(new_skb, pad);
1533 skb_put(new_skb, len);
1534
1535 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1536
1537 skb = new_skb;
1538
1539 } else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) {
1540 pci_unmap_single(bp->pdev,
1541 pci_unmap_addr(rx_buf, mapping),
1542 bp->rx_buf_use_size,
1543 PCI_DMA_FROMDEVICE);
1544 skb_reserve(skb, pad);
1545 skb_put(skb, len);
1546
1547 } else {
1548 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001549 "ERROR packet dropped because "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001550 "of alloc failure\n");
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001551 fp->rx_alloc_failed++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001552reuse_rx:
1553 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1554 goto next_rx;
1555 }
1556
1557 skb->protocol = eth_type_trans(skb, bp->dev);
1558
1559 skb->ip_summed = CHECKSUM_NONE;
1560 if (bp->rx_csum && BNX2X_RX_SUM_OK(cqe))
1561 skb->ip_summed = CHECKSUM_UNNECESSARY;
1562
1563 /* TBD do we pass bad csum packets in promisc */
1564 }
1565
1566#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001567 if ((bp->vlgrp != NULL) &&
1568 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1569 PARSING_FLAGS_VLAN))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001570 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1571 le16_to_cpu(cqe->fast_path_cqe.vlan_tag));
1572 else
1573#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001574 netif_receive_skb(skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001575
1576 bp->dev->last_rx = jiffies;
1577
1578next_rx:
1579 rx_buf->skb = NULL;
1580
1581 bd_cons = NEXT_RX_IDX(bd_cons);
1582 bd_prod = NEXT_RX_IDX(bd_prod);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001583 bd_prod_fw = NEXT_RX_IDX(bd_prod_fw);
1584 rx_pkt++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001585next_cqe:
1586 sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod);
1587 sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001588
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001589 if (rx_pkt == budget)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001590 break;
1591 } /* while */
1592
1593 fp->rx_bd_cons = bd_cons;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001594 fp->rx_bd_prod = bd_prod_fw;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001595 fp->rx_comp_cons = sw_comp_cons;
1596 fp->rx_comp_prod = sw_comp_prod;
1597
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001598 /* Update producers */
1599 bnx2x_update_rx_prod(bp, fp, bd_prod_fw, sw_comp_prod,
1600 fp->rx_sge_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001601 mmiowb(); /* keep prod updates ordered */
1602
1603 fp->rx_pkt += rx_pkt;
1604 fp->rx_calls++;
1605
1606 return rx_pkt;
1607}
1608
1609static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie)
1610{
1611 struct bnx2x_fastpath *fp = fp_cookie;
1612 struct bnx2x *bp = fp->bp;
1613 struct net_device *dev = bp->dev;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001614 int index = FP_IDX(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001615
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001616 DP(BNX2X_MSG_FP, "got an MSI-X interrupt on IDX:SB [%d:%d]\n",
1617 index, FP_SB_ID(fp));
1618 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID, 0, IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001619
1620#ifdef BNX2X_STOP_ON_ERROR
1621 if (unlikely(bp->panic))
1622 return IRQ_HANDLED;
1623#endif
1624
1625 prefetch(fp->rx_cons_sb);
1626 prefetch(fp->tx_cons_sb);
1627 prefetch(&fp->status_blk->c_status_block.status_block_index);
1628 prefetch(&fp->status_blk->u_status_block.status_block_index);
1629
1630 netif_rx_schedule(dev, &bnx2x_fp(bp, index, napi));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001631
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001632 return IRQ_HANDLED;
1633}
1634
1635static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
1636{
1637 struct net_device *dev = dev_instance;
1638 struct bnx2x *bp = netdev_priv(dev);
1639 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001640 u16 mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001641
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001642 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001643 if (unlikely(status == 0)) {
1644 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1645 return IRQ_NONE;
1646 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001647 DP(NETIF_MSG_INTR, "got an interrupt status %u\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001648
1649#ifdef BNX2X_STOP_ON_ERROR
1650 if (unlikely(bp->panic))
1651 return IRQ_HANDLED;
1652#endif
1653
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001654 /* Return here if interrupt is disabled */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001655 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1656 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1657 return IRQ_HANDLED;
1658 }
1659
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001660 mask = 0x2 << bp->fp[0].sb_id;
1661 if (status & mask) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001662 struct bnx2x_fastpath *fp = &bp->fp[0];
1663
1664 prefetch(fp->rx_cons_sb);
1665 prefetch(fp->tx_cons_sb);
1666 prefetch(&fp->status_blk->c_status_block.status_block_index);
1667 prefetch(&fp->status_blk->u_status_block.status_block_index);
1668
1669 netif_rx_schedule(dev, &bnx2x_fp(bp, 0, napi));
1670
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001671 status &= ~mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001672 }
1673
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001674
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001675 if (unlikely(status & 0x1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001676 schedule_work(&bp->sp_task);
1677
1678 status &= ~0x1;
1679 if (!status)
1680 return IRQ_HANDLED;
1681 }
1682
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001683 if (status)
1684 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status %u)\n",
1685 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001686
1687 return IRQ_HANDLED;
1688}
1689
1690/* end of fast path */
1691
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07001692static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001693
1694/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001695
1696/*
1697 * General service functions
1698 */
1699
Eliezer Tamirf1410642008-02-28 11:51:50 -08001700static int bnx2x_hw_lock(struct bnx2x *bp, u32 resource)
1701{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001702 u32 lock_status;
1703 u32 resource_bit = (1 << resource);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001704 u8 port = BP_PORT(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001705 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001706
1707 /* Validating that the resource is within range */
1708 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1709 DP(NETIF_MSG_HW,
1710 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1711 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1712 return -EINVAL;
1713 }
1714
1715 /* Validating that the resource is not already taken */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001716 lock_status = REG_RD(bp, MISC_REG_DRIVER_CONTROL_1 + port*8);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001717 if (lock_status & resource_bit) {
1718 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1719 lock_status, resource_bit);
1720 return -EEXIST;
1721 }
1722
1723 /* Try for 1 second every 5ms */
1724 for (cnt = 0; cnt < 200; cnt++) {
1725 /* Try to acquire the lock */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001726 REG_WR(bp, MISC_REG_DRIVER_CONTROL_1 + port*8 + 4,
Eliezer Tamirf1410642008-02-28 11:51:50 -08001727 resource_bit);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001728 lock_status = REG_RD(bp, MISC_REG_DRIVER_CONTROL_1 + port*8);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001729 if (lock_status & resource_bit)
1730 return 0;
1731
1732 msleep(5);
1733 }
1734 DP(NETIF_MSG_HW, "Timeout\n");
1735 return -EAGAIN;
1736}
1737
1738static int bnx2x_hw_unlock(struct bnx2x *bp, u32 resource)
1739{
1740 u32 lock_status;
1741 u32 resource_bit = (1 << resource);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001742 u8 port = BP_PORT(bp);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001743
1744 /* Validating that the resource is within range */
1745 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1746 DP(NETIF_MSG_HW,
1747 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1748 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1749 return -EINVAL;
1750 }
1751
1752 /* Validating that the resource is currently taken */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001753 lock_status = REG_RD(bp, MISC_REG_DRIVER_CONTROL_1 + port*8);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001754 if (!(lock_status & resource_bit)) {
1755 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1756 lock_status, resource_bit);
1757 return -EFAULT;
1758 }
1759
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001760 REG_WR(bp, MISC_REG_DRIVER_CONTROL_1 + port*8, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001761 return 0;
1762}
1763
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001764/* HW Lock for shared dual port PHYs */
1765static void bnx2x_phy_hw_lock(struct bnx2x *bp)
1766{
1767 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1768
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001769 mutex_lock(&bp->port.phy_mutex);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001770
1771 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1772 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
1773 bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
1774}
1775
1776static void bnx2x_phy_hw_unlock(struct bnx2x *bp)
1777{
1778 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1779
1780 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1781 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
1782 bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_8072_MDIO);
1783
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001784 mutex_unlock(&bp->port.phy_mutex);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001785}
1786
1787int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001788{
1789 /* The GPIO should be swapped if swap register is set and active */
1790 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001791 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ BP_PORT(bp);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001792 int gpio_shift = gpio_num +
1793 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1794 u32 gpio_mask = (1 << gpio_shift);
1795 u32 gpio_reg;
1796
1797 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1798 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1799 return -EINVAL;
1800 }
1801
1802 bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1803 /* read GPIO and mask except the float bits */
1804 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1805
1806 switch (mode) {
1807 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1808 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1809 gpio_num, gpio_shift);
1810 /* clear FLOAT and set CLR */
1811 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1812 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1813 break;
1814
1815 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1816 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1817 gpio_num, gpio_shift);
1818 /* clear FLOAT and set SET */
1819 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1820 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1821 break;
1822
1823 case MISC_REGISTERS_GPIO_INPUT_HI_Z :
1824 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1825 gpio_num, gpio_shift);
1826 /* set FLOAT */
1827 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1828 break;
1829
1830 default:
1831 break;
1832 }
1833
1834 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
1835 bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_GPIO);
1836
1837 return 0;
1838}
1839
1840static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1841{
1842 u32 spio_mask = (1 << spio_num);
1843 u32 spio_reg;
1844
1845 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1846 (spio_num > MISC_REGISTERS_SPIO_7)) {
1847 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1848 return -EINVAL;
1849 }
1850
1851 bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
1852 /* read SPIO and mask except the float bits */
1853 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1854
1855 switch (mode) {
1856 case MISC_REGISTERS_SPIO_OUTPUT_LOW :
1857 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1858 /* clear FLOAT and set CLR */
1859 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1860 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1861 break;
1862
1863 case MISC_REGISTERS_SPIO_OUTPUT_HIGH :
1864 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1865 /* clear FLOAT and set SET */
1866 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1867 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1868 break;
1869
1870 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1871 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1872 /* set FLOAT */
1873 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1874 break;
1875
1876 default:
1877 break;
1878 }
1879
1880 REG_WR(bp, MISC_REG_SPIO, spio_reg);
1881 bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_SPIO);
1882
1883 return 0;
1884}
1885
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001886static void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001887{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001888 switch (bp->link_vars.ieee_fc) {
1889 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001890 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001891 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001892 break;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001893 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001894 bp->port.advertising |= (ADVERTISED_Asym_Pause |
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001895 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001896 break;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001897 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001898 bp->port.advertising |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001899 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001900 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001901 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001902 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001903 break;
1904 }
1905}
1906
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001907static void bnx2x_link_report(struct bnx2x *bp)
1908{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001909 if (bp->link_vars.link_up) {
1910 if (bp->state == BNX2X_STATE_OPEN)
1911 netif_carrier_on(bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001912 printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
1913
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001914 printk("%d Mbps ", bp->link_vars.line_speed);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001915
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001916 if (bp->link_vars.duplex == DUPLEX_FULL)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001917 printk("full duplex");
1918 else
1919 printk("half duplex");
1920
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001921 if (bp->link_vars.flow_ctrl != FLOW_CTRL_NONE) {
1922 if (bp->link_vars.flow_ctrl & FLOW_CTRL_RX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001923 printk(", receive ");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001924 if (bp->link_vars.flow_ctrl & FLOW_CTRL_TX)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001925 printk("& transmit ");
1926 } else {
1927 printk(", transmit ");
1928 }
1929 printk("flow control ON");
1930 }
1931 printk("\n");
1932
1933 } else { /* link_down */
1934 netif_carrier_off(bp->dev);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001935 printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001936 }
1937}
1938
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001939static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001940{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001941 if (!BP_NOMCP(bp)) {
1942 u8 rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001943
Eilon Greenstein19680c42008-08-13 15:47:33 -07001944 /* Initialize link parameters structure variables */
1945 bp->link_params.mtu = bp->dev->mtu;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001946
Eilon Greenstein19680c42008-08-13 15:47:33 -07001947 bnx2x_phy_hw_lock(bp);
1948 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1949 bnx2x_phy_hw_unlock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001950
Eilon Greenstein19680c42008-08-13 15:47:33 -07001951 if (bp->link_vars.link_up)
1952 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001953
Eilon Greenstein19680c42008-08-13 15:47:33 -07001954 bnx2x_calc_fc_adv(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001955
Eilon Greenstein19680c42008-08-13 15:47:33 -07001956 return rc;
1957 }
1958 BNX2X_ERR("Bootcode is missing -not initializing link\n");
1959 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001960}
1961
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001962static void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001963{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001964 if (!BP_NOMCP(bp)) {
1965 bnx2x_phy_hw_lock(bp);
1966 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1967 bnx2x_phy_hw_unlock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001968
Eilon Greenstein19680c42008-08-13 15:47:33 -07001969 bnx2x_calc_fc_adv(bp);
1970 } else
1971 BNX2X_ERR("Bootcode is missing -not setting link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001972}
1973
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001974static void bnx2x__link_reset(struct bnx2x *bp)
1975{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001976 if (!BP_NOMCP(bp)) {
1977 bnx2x_phy_hw_lock(bp);
1978 bnx2x_link_reset(&bp->link_params, &bp->link_vars);
1979 bnx2x_phy_hw_unlock(bp);
1980 } else
1981 BNX2X_ERR("Bootcode is missing -not resetting link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001982}
1983
1984static u8 bnx2x_link_test(struct bnx2x *bp)
1985{
1986 u8 rc;
1987
1988 bnx2x_phy_hw_lock(bp);
1989 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars);
1990 bnx2x_phy_hw_unlock(bp);
1991
1992 return rc;
1993}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001994
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001995/* Calculates the sum of vn_min_rates.
1996 It's needed for further normalizing of the min_rates.
1997
1998 Returns:
1999 sum of vn_min_rates
2000 or
2001 0 - if all the min_rates are 0.
2002 In the later case fainess algorithm should be deactivated.
2003 If not all min_rates are zero then those that are zeroes will
2004 be set to 1.
2005 */
2006static u32 bnx2x_calc_vn_wsum(struct bnx2x *bp)
2007{
2008 int i, port = BP_PORT(bp);
2009 u32 wsum = 0;
2010 int all_zero = 1;
2011
2012 for (i = 0; i < E1HVN_MAX; i++) {
2013 u32 vn_cfg =
2014 SHMEM_RD(bp, mf_cfg.func_mf_config[2*i + port].config);
2015 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2016 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2017 if (!(vn_cfg & FUNC_MF_CFG_FUNC_HIDE)) {
2018 /* If min rate is zero - set it to 1 */
2019 if (!vn_min_rate)
2020 vn_min_rate = DEF_MIN_RATE;
2021 else
2022 all_zero = 0;
2023
2024 wsum += vn_min_rate;
2025 }
2026 }
2027
2028 /* ... only if all min rates are zeros - disable FAIRNESS */
2029 if (all_zero)
2030 return 0;
2031
2032 return wsum;
2033}
2034
2035static void bnx2x_init_port_minmax(struct bnx2x *bp,
2036 int en_fness,
2037 u16 port_rate,
2038 struct cmng_struct_per_port *m_cmng_port)
2039{
2040 u32 r_param = port_rate / 8;
2041 int port = BP_PORT(bp);
2042 int i;
2043
2044 memset(m_cmng_port, 0, sizeof(struct cmng_struct_per_port));
2045
2046 /* Enable minmax only if we are in e1hmf mode */
2047 if (IS_E1HMF(bp)) {
2048 u32 fair_periodic_timeout_usec;
2049 u32 t_fair;
2050
2051 /* Enable rate shaping and fairness */
2052 m_cmng_port->flags.cmng_vn_enable = 1;
2053 m_cmng_port->flags.fairness_enable = en_fness ? 1 : 0;
2054 m_cmng_port->flags.rate_shaping_enable = 1;
2055
2056 if (!en_fness)
2057 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2058 " fairness will be disabled\n");
2059
2060 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
2061 m_cmng_port->rs_vars.rs_periodic_timeout =
2062 RS_PERIODIC_TIMEOUT_USEC / 4;
2063
2064 /* this is the threshold below which no timer arming will occur
2065 1.25 coefficient is for the threshold to be a little bigger
2066 than the real time, to compensate for timer in-accuracy */
2067 m_cmng_port->rs_vars.rs_threshold =
2068 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
2069
2070 /* resolution of fairness timer */
2071 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
2072 /* for 10G it is 1000usec. for 1G it is 10000usec. */
2073 t_fair = T_FAIR_COEF / port_rate;
2074
2075 /* this is the threshold below which we won't arm
2076 the timer anymore */
2077 m_cmng_port->fair_vars.fair_threshold = QM_ARB_BYTES;
2078
2079 /* we multiply by 1e3/8 to get bytes/msec.
2080 We don't want the credits to pass a credit
2081 of the T_FAIR*FAIR_MEM (algorithm resolution) */
2082 m_cmng_port->fair_vars.upper_bound =
2083 r_param * t_fair * FAIR_MEM;
2084 /* since each tick is 4 usec */
2085 m_cmng_port->fair_vars.fairness_timeout =
2086 fair_periodic_timeout_usec / 4;
2087
2088 } else {
2089 /* Disable rate shaping and fairness */
2090 m_cmng_port->flags.cmng_vn_enable = 0;
2091 m_cmng_port->flags.fairness_enable = 0;
2092 m_cmng_port->flags.rate_shaping_enable = 0;
2093
2094 DP(NETIF_MSG_IFUP,
2095 "Single function mode minmax will be disabled\n");
2096 }
2097
2098 /* Store it to internal memory */
2099 for (i = 0; i < sizeof(struct cmng_struct_per_port) / 4; i++)
2100 REG_WR(bp, BAR_XSTRORM_INTMEM +
2101 XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i * 4,
2102 ((u32 *)(m_cmng_port))[i]);
2103}
2104
2105static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func,
2106 u32 wsum, u16 port_rate,
2107 struct cmng_struct_per_port *m_cmng_port)
2108{
2109 struct rate_shaping_vars_per_vn m_rs_vn;
2110 struct fairness_vars_per_vn m_fair_vn;
2111 u32 vn_cfg = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
2112 u16 vn_min_rate, vn_max_rate;
2113 int i;
2114
2115 /* If function is hidden - set min and max to zeroes */
2116 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
2117 vn_min_rate = 0;
2118 vn_max_rate = 0;
2119
2120 } else {
2121 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2122 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2123 /* If FAIRNESS is enabled (not all min rates are zeroes) and
2124 if current min rate is zero - set it to 1.
2125 This is a requirment of the algorithm. */
2126 if ((vn_min_rate == 0) && wsum)
2127 vn_min_rate = DEF_MIN_RATE;
2128 vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
2129 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
2130 }
2131
2132 DP(NETIF_MSG_IFUP, "func %d: vn_min_rate=%d vn_max_rate=%d "
2133 "wsum=%d\n", func, vn_min_rate, vn_max_rate, wsum);
2134
2135 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
2136 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
2137
2138 /* global vn counter - maximal Mbps for this vn */
2139 m_rs_vn.vn_counter.rate = vn_max_rate;
2140
2141 /* quota - number of bytes transmitted in this period */
2142 m_rs_vn.vn_counter.quota =
2143 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2144
2145#ifdef BNX2X_PER_PROT_QOS
2146 /* per protocol counter */
2147 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++) {
2148 /* maximal Mbps for this protocol */
2149 m_rs_vn.protocol_counters[protocol].rate =
2150 protocol_max_rate[protocol];
2151 /* the quota in each timer period -
2152 number of bytes transmitted in this period */
2153 m_rs_vn.protocol_counters[protocol].quota =
2154 (u32)(rs_periodic_timeout_usec *
2155 ((double)m_rs_vn.
2156 protocol_counters[protocol].rate/8));
2157 }
2158#endif
2159
2160 if (wsum) {
2161 /* credit for each period of the fairness algorithm:
2162 number of bytes in T_FAIR (the vn share the port rate).
2163 wsum should not be larger than 10000, thus
2164 T_FAIR_COEF / (8 * wsum) will always be grater than zero */
2165 m_fair_vn.vn_credit_delta =
2166 max((u64)(vn_min_rate * (T_FAIR_COEF / (8 * wsum))),
2167 (u64)(m_cmng_port->fair_vars.fair_threshold * 2));
2168 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta=%d\n",
2169 m_fair_vn.vn_credit_delta);
2170 }
2171
2172#ifdef BNX2X_PER_PROT_QOS
2173 do {
2174 u32 protocolWeightSum = 0;
2175
2176 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++)
2177 protocolWeightSum +=
2178 drvInit.protocol_min_rate[protocol];
2179 /* per protocol counter -
2180 NOT NEEDED IF NO PER-PROTOCOL CONGESTION MANAGEMENT */
2181 if (protocolWeightSum > 0) {
2182 for (protocol = 0;
2183 protocol < NUM_OF_PROTOCOLS; protocol++)
2184 /* credit for each period of the
2185 fairness algorithm - number of bytes in
2186 T_FAIR (the protocol share the vn rate) */
2187 m_fair_vn.protocol_credit_delta[protocol] =
2188 (u32)((vn_min_rate / 8) * t_fair *
2189 protocol_min_rate / protocolWeightSum);
2190 }
2191 } while (0);
2192#endif
2193
2194 /* Store it to internal memory */
2195 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2196 REG_WR(bp, BAR_XSTRORM_INTMEM +
2197 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2198 ((u32 *)(&m_rs_vn))[i]);
2199
2200 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2201 REG_WR(bp, BAR_XSTRORM_INTMEM +
2202 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2203 ((u32 *)(&m_fair_vn))[i]);
2204}
2205
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002206/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002207static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002208{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002209 int vn;
2210
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002211 /* Make sure that we are synced with the current statistics */
2212 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2213
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002214 bnx2x_phy_hw_lock(bp);
2215 bnx2x_link_update(&bp->link_params, &bp->link_vars);
2216 bnx2x_phy_hw_unlock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002217
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002218 if (bp->link_vars.link_up) {
2219
2220 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2221 struct host_port_stats *pstats;
2222
2223 pstats = bnx2x_sp(bp, port_stats);
2224 /* reset old bmac stats */
2225 memset(&(pstats->mac_stx[0]), 0,
2226 sizeof(struct mac_stx));
2227 }
2228 if ((bp->state == BNX2X_STATE_OPEN) ||
2229 (bp->state == BNX2X_STATE_DISABLED))
2230 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2231 }
2232
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002233 /* indicate link status */
2234 bnx2x_link_report(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002235
2236 if (IS_E1HMF(bp)) {
2237 int func;
2238
2239 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2240 if (vn == BP_E1HVN(bp))
2241 continue;
2242
2243 func = ((vn << 1) | BP_PORT(bp));
2244
2245 /* Set the attention towards other drivers
2246 on the same port */
2247 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2248 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2249 }
2250 }
2251
2252 if (CHIP_IS_E1H(bp) && (bp->link_vars.line_speed > 0)) {
2253 struct cmng_struct_per_port m_cmng_port;
2254 u32 wsum;
2255 int port = BP_PORT(bp);
2256
2257 /* Init RATE SHAPING and FAIRNESS contexts */
2258 wsum = bnx2x_calc_vn_wsum(bp);
2259 bnx2x_init_port_minmax(bp, (int)wsum,
2260 bp->link_vars.line_speed,
2261 &m_cmng_port);
2262 if (IS_E1HMF(bp))
2263 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2264 bnx2x_init_vn_minmax(bp, 2*vn + port,
2265 wsum, bp->link_vars.line_speed,
2266 &m_cmng_port);
2267 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002268}
2269
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002270static void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002271{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002272 if (bp->state != BNX2X_STATE_OPEN)
2273 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002274
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002275 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2276
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002277 if (bp->link_vars.link_up)
2278 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2279 else
2280 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2281
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002282 /* indicate link status */
2283 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002284}
2285
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002286static void bnx2x_pmf_update(struct bnx2x *bp)
2287{
2288 int port = BP_PORT(bp);
2289 u32 val;
2290
2291 bp->port.pmf = 1;
2292 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2293
2294 /* enable nig attention */
2295 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
2296 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2297 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002298
2299 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002300}
2301
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002302/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002303
2304/* slow path */
2305
2306/*
2307 * General service functions
2308 */
2309
2310/* the slow path queue is odd since completions arrive on the fastpath ring */
2311static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
2312 u32 data_hi, u32 data_lo, int common)
2313{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002314 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002315
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002316 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
2317 "SPQE (%x:%x) command %d hw_cid %x data (%x:%x) left %x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002318 (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) +
2319 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
2320 HW_CID(bp, cid), data_hi, data_lo, bp->spq_left);
2321
2322#ifdef BNX2X_STOP_ON_ERROR
2323 if (unlikely(bp->panic))
2324 return -EIO;
2325#endif
2326
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002327 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002328
2329 if (!bp->spq_left) {
2330 BNX2X_ERR("BUG! SPQ ring full!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002331 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002332 bnx2x_panic();
2333 return -EBUSY;
2334 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08002335
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002336 /* CID needs port number to be encoded int it */
2337 bp->spq_prod_bd->hdr.conn_and_cmd_data =
2338 cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) |
2339 HW_CID(bp, cid)));
2340 bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE);
2341 if (common)
2342 bp->spq_prod_bd->hdr.type |=
2343 cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT));
2344
2345 bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi);
2346 bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo);
2347
2348 bp->spq_left--;
2349
2350 if (bp->spq_prod_bd == bp->spq_last_bd) {
2351 bp->spq_prod_bd = bp->spq;
2352 bp->spq_prod_idx = 0;
2353 DP(NETIF_MSG_TIMER, "end of spq\n");
2354
2355 } else {
2356 bp->spq_prod_bd++;
2357 bp->spq_prod_idx++;
2358 }
2359
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002360 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002361 bp->spq_prod_idx);
2362
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002363 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002364 return 0;
2365}
2366
2367/* acquire split MCP access lock register */
2368static int bnx2x_lock_alr(struct bnx2x *bp)
2369{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002370 u32 i, j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002371 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002372
2373 might_sleep();
2374 i = 100;
2375 for (j = 0; j < i*10; j++) {
2376 val = (1UL << 31);
2377 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2378 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2379 if (val & (1L << 31))
2380 break;
2381
2382 msleep(5);
2383 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002384 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07002385 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002386 rc = -EBUSY;
2387 }
2388
2389 return rc;
2390}
2391
2392/* Release split MCP access lock register */
2393static void bnx2x_unlock_alr(struct bnx2x *bp)
2394{
2395 u32 val = 0;
2396
2397 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2398}
2399
2400static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2401{
2402 struct host_def_status_block *def_sb = bp->def_status_blk;
2403 u16 rc = 0;
2404
2405 barrier(); /* status block is written to by the chip */
2406
2407 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2408 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
2409 rc |= 1;
2410 }
2411 if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) {
2412 bp->def_c_idx = def_sb->c_def_status_block.status_block_index;
2413 rc |= 2;
2414 }
2415 if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) {
2416 bp->def_u_idx = def_sb->u_def_status_block.status_block_index;
2417 rc |= 4;
2418 }
2419 if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) {
2420 bp->def_x_idx = def_sb->x_def_status_block.status_block_index;
2421 rc |= 8;
2422 }
2423 if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) {
2424 bp->def_t_idx = def_sb->t_def_status_block.status_block_index;
2425 rc |= 16;
2426 }
2427 return rc;
2428}
2429
2430/*
2431 * slow path service functions
2432 */
2433
2434static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2435{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002436 int port = BP_PORT(bp);
2437 int func = BP_FUNC(bp);
2438 u32 igu_addr = (IGU_ADDR_ATTN_BITS_SET + IGU_FUNC_BASE * func) * 8;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002439 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2440 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002441 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2442 NIG_REG_MASK_INTERRUPT_PORT0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002443
2444 if (~bp->aeu_mask & (asserted & 0xff))
2445 BNX2X_ERR("IGU ERROR\n");
2446 if (bp->attn_state & asserted)
2447 BNX2X_ERR("IGU ERROR\n");
2448
2449 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
2450 bp->aeu_mask, asserted);
2451 bp->aeu_mask &= ~(asserted & 0xff);
2452 DP(NETIF_MSG_HW, "after masking: aeu_mask %x\n", bp->aeu_mask);
2453
2454 REG_WR(bp, aeu_addr, bp->aeu_mask);
2455
2456 bp->attn_state |= asserted;
2457
2458 if (asserted & ATTN_HARD_WIRED_MASK) {
2459 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002460
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002461 /* save nig interrupt mask */
2462 bp->nig_mask = REG_RD(bp, nig_int_mask_addr);
2463 REG_WR(bp, nig_int_mask_addr, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002464
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002465 bnx2x_link_attn(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002466
2467 /* handle unicore attn? */
2468 }
2469 if (asserted & ATTN_SW_TIMER_4_FUNC)
2470 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2471
2472 if (asserted & GPIO_2_FUNC)
2473 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2474
2475 if (asserted & GPIO_3_FUNC)
2476 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2477
2478 if (asserted & GPIO_4_FUNC)
2479 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2480
2481 if (port == 0) {
2482 if (asserted & ATTN_GENERAL_ATTN_1) {
2483 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2484 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2485 }
2486 if (asserted & ATTN_GENERAL_ATTN_2) {
2487 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2488 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2489 }
2490 if (asserted & ATTN_GENERAL_ATTN_3) {
2491 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2492 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2493 }
2494 } else {
2495 if (asserted & ATTN_GENERAL_ATTN_4) {
2496 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2497 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2498 }
2499 if (asserted & ATTN_GENERAL_ATTN_5) {
2500 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2501 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2502 }
2503 if (asserted & ATTN_GENERAL_ATTN_6) {
2504 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2505 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2506 }
2507 }
2508
2509 } /* if hardwired */
2510
2511 DP(NETIF_MSG_HW, "about to mask 0x%08x at IGU addr 0x%x\n",
2512 asserted, BAR_IGU_INTMEM + igu_addr);
2513 REG_WR(bp, BAR_IGU_INTMEM + igu_addr, asserted);
2514
2515 /* now set back the mask */
2516 if (asserted & ATTN_NIG_FOR_FUNC)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002517 REG_WR(bp, nig_int_mask_addr, bp->nig_mask);
2518}
2519
2520static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2521{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002522 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002523 int reg_offset;
2524 u32 val;
2525
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002526 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2527 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002528
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002529 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002530
2531 val = REG_RD(bp, reg_offset);
2532 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2533 REG_WR(bp, reg_offset, val);
2534
2535 BNX2X_ERR("SPIO5 hw attention\n");
2536
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002537 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002538 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
2539 /* Fan failure attention */
2540
2541 /* The PHY reset is controled by GPIO 1 */
2542 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
2543 MISC_REGISTERS_GPIO_OUTPUT_LOW);
2544 /* Low power mode is controled by GPIO 2 */
2545 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
2546 MISC_REGISTERS_GPIO_OUTPUT_LOW);
2547 /* mark the failure */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002548 bp->link_params.ext_phy_config &=
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002549 ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002550 bp->link_params.ext_phy_config |=
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002551 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
2552 SHMEM_WR(bp,
2553 dev_info.port_hw_config[port].
2554 external_phy_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002555 bp->link_params.ext_phy_config);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002556 /* log the failure */
2557 printk(KERN_ERR PFX "Fan Failure on Network"
2558 " Controller %s has caused the driver to"
2559 " shutdown the card to prevent permanent"
2560 " damage. Please contact Dell Support for"
2561 " assistance\n", bp->dev->name);
2562 break;
2563
2564 default:
2565 break;
2566 }
2567 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002568
2569 if (attn & HW_INTERRUT_ASSERT_SET_0) {
2570
2571 val = REG_RD(bp, reg_offset);
2572 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
2573 REG_WR(bp, reg_offset, val);
2574
2575 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
2576 (attn & HW_INTERRUT_ASSERT_SET_0));
2577 bnx2x_panic();
2578 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002579}
2580
2581static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
2582{
2583 u32 val;
2584
2585 if (attn & BNX2X_DOORQ_ASSERT) {
2586
2587 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
2588 BNX2X_ERR("DB hw attention 0x%x\n", val);
2589 /* DORQ discard attention */
2590 if (val & 0x2)
2591 BNX2X_ERR("FATAL error from DORQ\n");
2592 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002593
2594 if (attn & HW_INTERRUT_ASSERT_SET_1) {
2595
2596 int port = BP_PORT(bp);
2597 int reg_offset;
2598
2599 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
2600 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
2601
2602 val = REG_RD(bp, reg_offset);
2603 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
2604 REG_WR(bp, reg_offset, val);
2605
2606 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
2607 (attn & HW_INTERRUT_ASSERT_SET_1));
2608 bnx2x_panic();
2609 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002610}
2611
2612static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
2613{
2614 u32 val;
2615
2616 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
2617
2618 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
2619 BNX2X_ERR("CFC hw attention 0x%x\n", val);
2620 /* CFC error attention */
2621 if (val & 0x2)
2622 BNX2X_ERR("FATAL error from CFC\n");
2623 }
2624
2625 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
2626
2627 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
2628 BNX2X_ERR("PXP hw attention 0x%x\n", val);
2629 /* RQ_USDMDP_FIFO_OVERFLOW */
2630 if (val & 0x18000)
2631 BNX2X_ERR("FATAL error from PXP\n");
2632 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002633
2634 if (attn & HW_INTERRUT_ASSERT_SET_2) {
2635
2636 int port = BP_PORT(bp);
2637 int reg_offset;
2638
2639 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
2640 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
2641
2642 val = REG_RD(bp, reg_offset);
2643 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
2644 REG_WR(bp, reg_offset, val);
2645
2646 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
2647 (attn & HW_INTERRUT_ASSERT_SET_2));
2648 bnx2x_panic();
2649 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002650}
2651
2652static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
2653{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002654 u32 val;
2655
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002656 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
2657
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002658 if (attn & BNX2X_PMF_LINK_ASSERT) {
2659 int func = BP_FUNC(bp);
2660
2661 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
2662 bnx2x__link_status_update(bp);
2663 if (SHMEM_RD(bp, func_mb[func].drv_status) &
2664 DRV_STATUS_PMF)
2665 bnx2x_pmf_update(bp);
2666
2667 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002668
2669 BNX2X_ERR("MC assert!\n");
2670 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
2671 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
2672 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
2673 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
2674 bnx2x_panic();
2675
2676 } else if (attn & BNX2X_MCP_ASSERT) {
2677
2678 BNX2X_ERR("MCP assert!\n");
2679 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002680 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002681
2682 } else
2683 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
2684 }
2685
2686 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002687 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
2688 if (attn & BNX2X_GRC_TIMEOUT) {
2689 val = CHIP_IS_E1H(bp) ?
2690 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN) : 0;
2691 BNX2X_ERR("GRC time-out 0x%08x\n", val);
2692 }
2693 if (attn & BNX2X_GRC_RSV) {
2694 val = CHIP_IS_E1H(bp) ?
2695 REG_RD(bp, MISC_REG_GRC_RSV_ATTN) : 0;
2696 BNX2X_ERR("GRC reserved 0x%08x\n", val);
2697 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002698 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002699 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002700}
2701
2702static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
2703{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002704 struct attn_route attn;
2705 struct attn_route group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002706 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002707 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002708 u32 reg_addr;
2709 u32 val;
2710
2711 /* need to take HW lock because MCP or other port might also
2712 try to handle this event */
2713 bnx2x_lock_alr(bp);
2714
2715 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
2716 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
2717 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
2718 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002719 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x\n",
2720 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002721
2722 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
2723 if (deasserted & (1 << index)) {
2724 group_mask = bp->attn_group[index];
2725
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002726 DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x\n",
2727 index, group_mask.sig[0], group_mask.sig[1],
2728 group_mask.sig[2], group_mask.sig[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002729
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002730 bnx2x_attn_int_deasserted3(bp,
2731 attn.sig[3] & group_mask.sig[3]);
2732 bnx2x_attn_int_deasserted1(bp,
2733 attn.sig[1] & group_mask.sig[1]);
2734 bnx2x_attn_int_deasserted2(bp,
2735 attn.sig[2] & group_mask.sig[2]);
2736 bnx2x_attn_int_deasserted0(bp,
2737 attn.sig[0] & group_mask.sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002738
2739 if ((attn.sig[0] & group_mask.sig[0] &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002740 HW_PRTY_ASSERT_SET_0) ||
2741 (attn.sig[1] & group_mask.sig[1] &
2742 HW_PRTY_ASSERT_SET_1) ||
2743 (attn.sig[2] & group_mask.sig[2] &
2744 HW_PRTY_ASSERT_SET_2))
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002745 BNX2X_ERR("FATAL HW block parity attention\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002746 }
2747 }
2748
2749 bnx2x_unlock_alr(bp);
2750
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002751 reg_addr = (IGU_ADDR_ATTN_BITS_CLR + IGU_FUNC_BASE * BP_FUNC(bp)) * 8;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002752
2753 val = ~deasserted;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002754/* DP(NETIF_MSG_INTR, "write 0x%08x to IGU addr 0x%x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002755 val, BAR_IGU_INTMEM + reg_addr); */
2756 REG_WR(bp, BAR_IGU_INTMEM + reg_addr, val);
2757
2758 if (bp->aeu_mask & (deasserted & 0xff))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002759 BNX2X_ERR("IGU BUG!\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002760 if (~bp->attn_state & deasserted)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002761 BNX2X_ERR("IGU BUG!\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002762
2763 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2764 MISC_REG_AEU_MASK_ATTN_FUNC_0;
2765
2766 DP(NETIF_MSG_HW, "aeu_mask %x\n", bp->aeu_mask);
2767 bp->aeu_mask |= (deasserted & 0xff);
2768
2769 DP(NETIF_MSG_HW, "new mask %x\n", bp->aeu_mask);
2770 REG_WR(bp, reg_addr, bp->aeu_mask);
2771
2772 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2773 bp->attn_state &= ~deasserted;
2774 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2775}
2776
2777static void bnx2x_attn_int(struct bnx2x *bp)
2778{
2779 /* read local copy of bits */
2780 u32 attn_bits = bp->def_status_blk->atten_status_block.attn_bits;
2781 u32 attn_ack = bp->def_status_blk->atten_status_block.attn_bits_ack;
2782 u32 attn_state = bp->attn_state;
2783
2784 /* look for changed bits */
2785 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
2786 u32 deasserted = ~attn_bits & attn_ack & attn_state;
2787
2788 DP(NETIF_MSG_HW,
2789 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
2790 attn_bits, attn_ack, asserted, deasserted);
2791
2792 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002793 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002794
2795 /* handle bits that were raised */
2796 if (asserted)
2797 bnx2x_attn_int_asserted(bp, asserted);
2798
2799 if (deasserted)
2800 bnx2x_attn_int_deasserted(bp, deasserted);
2801}
2802
2803static void bnx2x_sp_task(struct work_struct *work)
2804{
2805 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task);
2806 u16 status;
2807
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002808
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002809 /* Return here if interrupt is disabled */
2810 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002811 DP(BNX2X_MSG_SP, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002812 return;
2813 }
2814
2815 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002816/* if (status == 0) */
2817/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002818
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002819 DP(BNX2X_MSG_SP, "got a slowpath interrupt (updated %x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002820
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002821 /* HW attentions */
2822 if (status & 0x1)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002823 bnx2x_attn_int(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002824
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002825 /* CStorm events: query_stats, port delete ramrod */
2826 if (status & 0x2)
2827 bp->stats_pending = 0;
2828
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002829 bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, bp->def_att_idx,
2830 IGU_INT_NOP, 1);
2831 bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx),
2832 IGU_INT_NOP, 1);
2833 bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx),
2834 IGU_INT_NOP, 1);
2835 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx),
2836 IGU_INT_NOP, 1);
2837 bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx),
2838 IGU_INT_ENABLE, 1);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002839
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002840}
2841
2842static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
2843{
2844 struct net_device *dev = dev_instance;
2845 struct bnx2x *bp = netdev_priv(dev);
2846
2847 /* Return here if interrupt is disabled */
2848 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002849 DP(BNX2X_MSG_SP, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002850 return IRQ_HANDLED;
2851 }
2852
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002853 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, 0, IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002854
2855#ifdef BNX2X_STOP_ON_ERROR
2856 if (unlikely(bp->panic))
2857 return IRQ_HANDLED;
2858#endif
2859
2860 schedule_work(&bp->sp_task);
2861
2862 return IRQ_HANDLED;
2863}
2864
2865/* end of slow path */
2866
2867/* Statistics */
2868
2869/****************************************************************************
2870* Macros
2871****************************************************************************/
2872
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002873/* sum[hi:lo] += add[hi:lo] */
2874#define ADD_64(s_hi, a_hi, s_lo, a_lo) \
2875 do { \
2876 s_lo += a_lo; \
2877 s_hi += a_hi + (s_lo < a_lo) ? 1 : 0; \
2878 } while (0)
2879
2880/* difference = minuend - subtrahend */
2881#define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
2882 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002883 if (m_lo < s_lo) { \
2884 /* underflow */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002885 d_hi = m_hi - s_hi; \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002886 if (d_hi > 0) { \
2887 /* we can 'loan' 1 */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002888 d_hi--; \
2889 d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002890 } else { \
2891 /* m_hi <= s_hi */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002892 d_hi = 0; \
2893 d_lo = 0; \
2894 } \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002895 } else { \
2896 /* m_lo >= s_lo */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002897 if (m_hi < s_hi) { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002898 d_hi = 0; \
2899 d_lo = 0; \
2900 } else { \
2901 /* m_hi >= s_hi */ \
2902 d_hi = m_hi - s_hi; \
2903 d_lo = m_lo - s_lo; \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002904 } \
2905 } \
2906 } while (0)
2907
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002908#define UPDATE_STAT64(s, t) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002909 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002910 DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
2911 diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
2912 pstats->mac_stx[0].t##_hi = new->s##_hi; \
2913 pstats->mac_stx[0].t##_lo = new->s##_lo; \
2914 ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
2915 pstats->mac_stx[1].t##_lo, diff.lo); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002916 } while (0)
2917
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002918#define UPDATE_STAT64_NIG(s, t) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002919 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002920 DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
2921 diff.lo, new->s##_lo, old->s##_lo); \
2922 ADD_64(estats->t##_hi, diff.hi, \
2923 estats->t##_lo, diff.lo); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002924 } while (0)
2925
2926/* sum[hi:lo] += add */
2927#define ADD_EXTEND_64(s_hi, s_lo, a) \
2928 do { \
2929 s_lo += a; \
2930 s_hi += (s_lo < a) ? 1 : 0; \
2931 } while (0)
2932
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002933#define UPDATE_EXTEND_STAT(s) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002934 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002935 ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
2936 pstats->mac_stx[1].s##_lo, \
2937 new->s); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002938 } while (0)
2939
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002940#define UPDATE_EXTEND_TSTAT(s, t) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002941 do { \
2942 diff = le32_to_cpu(tclient->s) - old_tclient->s; \
2943 old_tclient->s = le32_to_cpu(tclient->s); \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002944 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
2945 } while (0)
2946
2947#define UPDATE_EXTEND_XSTAT(s, t) \
2948 do { \
2949 diff = le32_to_cpu(xclient->s) - old_xclient->s; \
2950 old_xclient->s = le32_to_cpu(xclient->s); \
2951 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002952 } while (0)
2953
2954/*
2955 * General service functions
2956 */
2957
2958static inline long bnx2x_hilo(u32 *hiref)
2959{
2960 u32 lo = *(hiref + 1);
2961#if (BITS_PER_LONG == 64)
2962 u32 hi = *hiref;
2963
2964 return HILO_U64(hi, lo);
2965#else
2966 return lo;
2967#endif
2968}
2969
2970/*
2971 * Init service functions
2972 */
2973
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002974static void bnx2x_storm_stats_init(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002975{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002976 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002977
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002978 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func), 1);
2979 REG_WR(bp, BAR_XSTRORM_INTMEM +
2980 XSTORM_STATS_FLAGS_OFFSET(func) + 4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002981
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002982 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func), 1);
2983 REG_WR(bp, BAR_TSTRORM_INTMEM +
2984 TSTORM_STATS_FLAGS_OFFSET(func) + 4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002985
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002986 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func), 0);
2987 REG_WR(bp, BAR_CSTRORM_INTMEM +
2988 CSTORM_STATS_FLAGS_OFFSET(func) + 4, 0);
2989
2990 REG_WR(bp, BAR_XSTRORM_INTMEM +
2991 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
2992 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
2993 REG_WR(bp, BAR_XSTRORM_INTMEM +
2994 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
2995 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
2996
2997 REG_WR(bp, BAR_TSTRORM_INTMEM +
2998 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
2999 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
3000 REG_WR(bp, BAR_TSTRORM_INTMEM +
3001 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
3002 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
3003}
3004
3005static void bnx2x_storm_stats_post(struct bnx2x *bp)
3006{
3007 if (!bp->stats_pending) {
3008 struct eth_query_ramrod_data ramrod_data = {0};
3009 int rc;
3010
3011 ramrod_data.drv_counter = bp->stats_counter++;
3012 ramrod_data.collect_port_1b = bp->port.pmf ? 1 : 0;
3013 ramrod_data.ctr_id_vector = (1 << BP_CL_ID(bp));
3014
3015 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0,
3016 ((u32 *)&ramrod_data)[1],
3017 ((u32 *)&ramrod_data)[0], 0);
3018 if (rc == 0) {
3019 /* stats ramrod has it's own slot on the spq */
3020 bp->spq_left++;
3021 bp->stats_pending = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003022 }
3023 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003024}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003025
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003026static void bnx2x_stats_init(struct bnx2x *bp)
3027{
3028 int port = BP_PORT(bp);
3029
3030 bp->executer_idx = 0;
3031 bp->stats_counter = 0;
3032
3033 /* port stats */
3034 if (!BP_NOMCP(bp))
3035 bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
3036 else
3037 bp->port.port_stx = 0;
3038 DP(BNX2X_MSG_STATS, "port_stx 0x%x\n", bp->port.port_stx);
3039
3040 memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
3041 bp->port.old_nig_stats.brb_discard =
3042 REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
3043 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
3044 &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
3045 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
3046 &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
3047
3048 /* function stats */
3049 memset(&bp->dev->stats, 0, sizeof(struct net_device_stats));
3050 memset(&bp->old_tclient, 0, sizeof(struct tstorm_per_client_stats));
3051 memset(&bp->old_xclient, 0, sizeof(struct xstorm_per_client_stats));
3052 memset(&bp->eth_stats, 0, sizeof(struct bnx2x_eth_stats));
3053
3054 bp->stats_state = STATS_STATE_DISABLED;
3055 if (IS_E1HMF(bp) && bp->port.pmf && bp->port.port_stx)
3056 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
3057}
3058
3059static void bnx2x_hw_stats_post(struct bnx2x *bp)
3060{
3061 struct dmae_command *dmae = &bp->stats_dmae;
3062 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3063
3064 *stats_comp = DMAE_COMP_VAL;
3065
3066 /* loader */
3067 if (bp->executer_idx) {
3068 int loader_idx = PMF_DMAE_C(bp);
3069
3070 memset(dmae, 0, sizeof(struct dmae_command));
3071
3072 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3073 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3074 DMAE_CMD_DST_RESET |
3075#ifdef __BIG_ENDIAN
3076 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3077#else
3078 DMAE_CMD_ENDIANITY_DW_SWAP |
3079#endif
3080 (BP_PORT(bp) ? DMAE_CMD_PORT_1 :
3081 DMAE_CMD_PORT_0) |
3082 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3083 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
3084 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
3085 dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
3086 sizeof(struct dmae_command) *
3087 (loader_idx + 1)) >> 2;
3088 dmae->dst_addr_hi = 0;
3089 dmae->len = sizeof(struct dmae_command) >> 2;
3090 if (CHIP_IS_E1(bp))
3091 dmae->len--;
3092 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
3093 dmae->comp_addr_hi = 0;
3094 dmae->comp_val = 1;
3095
3096 *stats_comp = 0;
3097 bnx2x_post_dmae(bp, dmae, loader_idx);
3098
3099 } else if (bp->func_stx) {
3100 *stats_comp = 0;
3101 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
3102 }
3103}
3104
3105static int bnx2x_stats_comp(struct bnx2x *bp)
3106{
3107 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3108 int cnt = 10;
3109
3110 might_sleep();
3111 while (*stats_comp != DMAE_COMP_VAL) {
3112 msleep(1);
3113 if (!cnt) {
3114 BNX2X_ERR("timeout waiting for stats finished\n");
3115 break;
3116 }
3117 cnt--;
3118 }
3119 return 1;
3120}
3121
3122/*
3123 * Statistics service functions
3124 */
3125
3126static void bnx2x_stats_pmf_update(struct bnx2x *bp)
3127{
3128 struct dmae_command *dmae;
3129 u32 opcode;
3130 int loader_idx = PMF_DMAE_C(bp);
3131 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3132
3133 /* sanity */
3134 if (!IS_E1HMF(bp) || !bp->port.pmf || !bp->port.port_stx) {
3135 BNX2X_ERR("BUG!\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003136 return;
3137 }
3138
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003139 bp->executer_idx = 0;
3140
3141 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3142 DMAE_CMD_C_ENABLE |
3143 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3144#ifdef __BIG_ENDIAN
3145 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3146#else
3147 DMAE_CMD_ENDIANITY_DW_SWAP |
3148#endif
3149 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3150 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3151
3152 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3153 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3154 dmae->src_addr_lo = bp->port.port_stx >> 2;
3155 dmae->src_addr_hi = 0;
3156 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3157 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3158 dmae->len = DMAE_LEN32_RD_MAX;
3159 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3160 dmae->comp_addr_hi = 0;
3161 dmae->comp_val = 1;
3162
3163 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3164 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3165 dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
3166 dmae->src_addr_hi = 0;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003167 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
3168 DMAE_LEN32_RD_MAX * 4);
3169 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
3170 DMAE_LEN32_RD_MAX * 4);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003171 dmae->len = (sizeof(struct host_port_stats) >> 2) - DMAE_LEN32_RD_MAX;
3172 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3173 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3174 dmae->comp_val = DMAE_COMP_VAL;
3175
3176 *stats_comp = 0;
3177 bnx2x_hw_stats_post(bp);
3178 bnx2x_stats_comp(bp);
3179}
3180
3181static void bnx2x_port_stats_init(struct bnx2x *bp)
3182{
3183 struct dmae_command *dmae;
3184 int port = BP_PORT(bp);
3185 int vn = BP_E1HVN(bp);
3186 u32 opcode;
3187 int loader_idx = PMF_DMAE_C(bp);
3188 u32 mac_addr;
3189 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3190
3191 /* sanity */
3192 if (!bp->link_vars.link_up || !bp->port.pmf) {
3193 BNX2X_ERR("BUG!\n");
3194 return;
3195 }
3196
3197 bp->executer_idx = 0;
3198
3199 /* MCP */
3200 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3201 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3202 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3203#ifdef __BIG_ENDIAN
3204 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3205#else
3206 DMAE_CMD_ENDIANITY_DW_SWAP |
3207#endif
3208 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3209 (vn << DMAE_CMD_E1HVN_SHIFT));
3210
3211 if (bp->port.port_stx) {
3212
3213 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3214 dmae->opcode = opcode;
3215 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3216 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3217 dmae->dst_addr_lo = bp->port.port_stx >> 2;
3218 dmae->dst_addr_hi = 0;
3219 dmae->len = sizeof(struct host_port_stats) >> 2;
3220 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3221 dmae->comp_addr_hi = 0;
3222 dmae->comp_val = 1;
3223 }
3224
3225 if (bp->func_stx) {
3226
3227 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3228 dmae->opcode = opcode;
3229 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3230 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3231 dmae->dst_addr_lo = bp->func_stx >> 2;
3232 dmae->dst_addr_hi = 0;
3233 dmae->len = sizeof(struct host_func_stats) >> 2;
3234 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3235 dmae->comp_addr_hi = 0;
3236 dmae->comp_val = 1;
3237 }
3238
3239 /* MAC */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003240 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3241 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3242 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3243#ifdef __BIG_ENDIAN
3244 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3245#else
3246 DMAE_CMD_ENDIANITY_DW_SWAP |
3247#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003248 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3249 (vn << DMAE_CMD_E1HVN_SHIFT));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003250
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07003251 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003252
3253 mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
3254 NIG_REG_INGRESS_BMAC0_MEM);
3255
3256 /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
3257 BIGMAC_REGISTER_TX_STAT_GTBYT */
3258 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3259 dmae->opcode = opcode;
3260 dmae->src_addr_lo = (mac_addr +
3261 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3262 dmae->src_addr_hi = 0;
3263 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3264 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3265 dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
3266 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3267 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3268 dmae->comp_addr_hi = 0;
3269 dmae->comp_val = 1;
3270
3271 /* BIGMAC_REGISTER_RX_STAT_GR64 ..
3272 BIGMAC_REGISTER_RX_STAT_GRIPJ */
3273 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3274 dmae->opcode = opcode;
3275 dmae->src_addr_lo = (mac_addr +
3276 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3277 dmae->src_addr_hi = 0;
3278 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003279 offsetof(struct bmac_stats, rx_stat_gr64_lo));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003280 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003281 offsetof(struct bmac_stats, rx_stat_gr64_lo));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003282 dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
3283 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3284 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3285 dmae->comp_addr_hi = 0;
3286 dmae->comp_val = 1;
3287
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07003288 } else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003289
3290 mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
3291
3292 /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
3293 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3294 dmae->opcode = opcode;
3295 dmae->src_addr_lo = (mac_addr +
3296 EMAC_REG_EMAC_RX_STAT_AC) >> 2;
3297 dmae->src_addr_hi = 0;
3298 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3299 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3300 dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
3301 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3302 dmae->comp_addr_hi = 0;
3303 dmae->comp_val = 1;
3304
3305 /* EMAC_REG_EMAC_RX_STAT_AC_28 */
3306 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3307 dmae->opcode = opcode;
3308 dmae->src_addr_lo = (mac_addr +
3309 EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
3310 dmae->src_addr_hi = 0;
3311 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003312 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003313 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003314 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003315 dmae->len = 1;
3316 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3317 dmae->comp_addr_hi = 0;
3318 dmae->comp_val = 1;
3319
3320 /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
3321 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3322 dmae->opcode = opcode;
3323 dmae->src_addr_lo = (mac_addr +
3324 EMAC_REG_EMAC_TX_STAT_AC) >> 2;
3325 dmae->src_addr_hi = 0;
3326 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003327 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003328 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003329 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003330 dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
3331 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3332 dmae->comp_addr_hi = 0;
3333 dmae->comp_val = 1;
3334 }
3335
3336 /* NIG */
3337 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003338 dmae->opcode = opcode;
3339 dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
3340 NIG_REG_STAT0_BRB_DISCARD) >> 2;
3341 dmae->src_addr_hi = 0;
3342 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
3343 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
3344 dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
3345 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3346 dmae->comp_addr_hi = 0;
3347 dmae->comp_val = 1;
3348
3349 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3350 dmae->opcode = opcode;
3351 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
3352 NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
3353 dmae->src_addr_hi = 0;
3354 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3355 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3356 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3357 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3358 dmae->len = (2*sizeof(u32)) >> 2;
3359 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3360 dmae->comp_addr_hi = 0;
3361 dmae->comp_val = 1;
3362
3363 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003364 dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3365 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3366 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3367#ifdef __BIG_ENDIAN
3368 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3369#else
3370 DMAE_CMD_ENDIANITY_DW_SWAP |
3371#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003372 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3373 (vn << DMAE_CMD_E1HVN_SHIFT));
3374 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
3375 NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003376 dmae->src_addr_hi = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003377 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3378 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3379 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3380 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3381 dmae->len = (2*sizeof(u32)) >> 2;
3382 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3383 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3384 dmae->comp_val = DMAE_COMP_VAL;
3385
3386 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003387}
3388
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003389static void bnx2x_func_stats_init(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003390{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003391 struct dmae_command *dmae = &bp->stats_dmae;
3392 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003393
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003394 /* sanity */
3395 if (!bp->func_stx) {
3396 BNX2X_ERR("BUG!\n");
3397 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003398 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003399
3400 bp->executer_idx = 0;
3401 memset(dmae, 0, sizeof(struct dmae_command));
3402
3403 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3404 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3405 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3406#ifdef __BIG_ENDIAN
3407 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3408#else
3409 DMAE_CMD_ENDIANITY_DW_SWAP |
3410#endif
3411 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3412 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3413 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3414 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3415 dmae->dst_addr_lo = bp->func_stx >> 2;
3416 dmae->dst_addr_hi = 0;
3417 dmae->len = sizeof(struct host_func_stats) >> 2;
3418 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3419 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3420 dmae->comp_val = DMAE_COMP_VAL;
3421
3422 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003423}
3424
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003425static void bnx2x_stats_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003426{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003427 if (bp->port.pmf)
3428 bnx2x_port_stats_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003429
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003430 else if (bp->func_stx)
3431 bnx2x_func_stats_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003432
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003433 bnx2x_hw_stats_post(bp);
3434 bnx2x_storm_stats_post(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003435}
3436
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003437static void bnx2x_stats_pmf_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003438{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003439 bnx2x_stats_comp(bp);
3440 bnx2x_stats_pmf_update(bp);
3441 bnx2x_stats_start(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003442}
3443
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003444static void bnx2x_stats_restart(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003445{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003446 bnx2x_stats_comp(bp);
3447 bnx2x_stats_start(bp);
3448}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003449
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003450static void bnx2x_bmac_stats_update(struct bnx2x *bp)
3451{
3452 struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac_stats);
3453 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3454 struct regpair diff;
3455
3456 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
3457 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
3458 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
3459 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
3460 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
3461 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
3462 UPDATE_STAT64(rx_stat_grxpf, rx_stat_bmac_xpf);
3463 UPDATE_STAT64(rx_stat_grxcf, rx_stat_bmac_xcf);
3464 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
3465 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffpauseframesreceived);
3466 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
3467 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
3468 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
3469 UPDATE_STAT64(tx_stat_gt127,
3470 tx_stat_etherstatspkts65octetsto127octets);
3471 UPDATE_STAT64(tx_stat_gt255,
3472 tx_stat_etherstatspkts128octetsto255octets);
3473 UPDATE_STAT64(tx_stat_gt511,
3474 tx_stat_etherstatspkts256octetsto511octets);
3475 UPDATE_STAT64(tx_stat_gt1023,
3476 tx_stat_etherstatspkts512octetsto1023octets);
3477 UPDATE_STAT64(tx_stat_gt1518,
3478 tx_stat_etherstatspkts1024octetsto1522octets);
3479 UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047);
3480 UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095);
3481 UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216);
3482 UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383);
3483 UPDATE_STAT64(tx_stat_gterr,
3484 tx_stat_dot3statsinternalmactransmiterrors);
3485 UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl);
3486}
3487
3488static void bnx2x_emac_stats_update(struct bnx2x *bp)
3489{
3490 struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
3491 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3492
3493 UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
3494 UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
3495 UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
3496 UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
3497 UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
3498 UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
3499 UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
3500 UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
3501 UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
3502 UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
3503 UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
3504 UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
3505 UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
3506 UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
3507 UPDATE_EXTEND_STAT(tx_stat_outxonsent);
3508 UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
3509 UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
3510 UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
3511 UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
3512 UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
3513 UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
3514 UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
3515 UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
3516 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
3517 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
3518 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
3519 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
3520 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
3521 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
3522 UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
3523 UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
3524}
3525
3526static int bnx2x_hw_stats_update(struct bnx2x *bp)
3527{
3528 struct nig_stats *new = bnx2x_sp(bp, nig_stats);
3529 struct nig_stats *old = &(bp->port.old_nig_stats);
3530 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3531 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3532 struct regpair diff;
3533
3534 if (bp->link_vars.mac_type == MAC_TYPE_BMAC)
3535 bnx2x_bmac_stats_update(bp);
3536
3537 else if (bp->link_vars.mac_type == MAC_TYPE_EMAC)
3538 bnx2x_emac_stats_update(bp);
3539
3540 else { /* unreached */
3541 BNX2X_ERR("stats updated by dmae but no MAC active\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003542 return -1;
3543 }
3544
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003545 ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
3546 new->brb_discard - old->brb_discard);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003547
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003548 UPDATE_STAT64_NIG(egress_mac_pkt0,
3549 etherstatspkts1024octetsto1522octets);
3550 UPDATE_STAT64_NIG(egress_mac_pkt1, etherstatspktsover1522octets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003551
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003552 memcpy(old, new, sizeof(struct nig_stats));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003553
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003554 memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
3555 sizeof(struct mac_stx));
3556 estats->brb_drop_hi = pstats->brb_drop_hi;
3557 estats->brb_drop_lo = pstats->brb_drop_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003558
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003559 pstats->host_port_stats_start = ++pstats->host_port_stats_end;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003560
3561 return 0;
3562}
3563
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003564static int bnx2x_storm_stats_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003565{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003566 struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
3567 int cl_id = BP_CL_ID(bp);
3568 struct tstorm_per_port_stats *tport =
3569 &stats->tstorm_common.port_statistics;
3570 struct tstorm_per_client_stats *tclient =
3571 &stats->tstorm_common.client_statistics[cl_id];
3572 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3573 struct xstorm_per_client_stats *xclient =
3574 &stats->xstorm_common.client_statistics[cl_id];
3575 struct xstorm_per_client_stats *old_xclient = &bp->old_xclient;
3576 struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
3577 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3578 u32 diff;
3579
3580 /* are storm stats valid? */
3581 if ((u16)(le16_to_cpu(tclient->stats_counter) + 1) !=
3582 bp->stats_counter) {
3583 DP(BNX2X_MSG_STATS, "stats not updated by tstorm"
3584 " tstorm counter (%d) != stats_counter (%d)\n",
3585 tclient->stats_counter, bp->stats_counter);
3586 return -1;
3587 }
3588 if ((u16)(le16_to_cpu(xclient->stats_counter) + 1) !=
3589 bp->stats_counter) {
3590 DP(BNX2X_MSG_STATS, "stats not updated by xstorm"
3591 " xstorm counter (%d) != stats_counter (%d)\n",
3592 xclient->stats_counter, bp->stats_counter);
3593 return -2;
3594 }
3595
3596 fstats->total_bytes_received_hi =
3597 fstats->valid_bytes_received_hi =
3598 le32_to_cpu(tclient->total_rcv_bytes.hi);
3599 fstats->total_bytes_received_lo =
3600 fstats->valid_bytes_received_lo =
3601 le32_to_cpu(tclient->total_rcv_bytes.lo);
3602
3603 estats->error_bytes_received_hi =
3604 le32_to_cpu(tclient->rcv_error_bytes.hi);
3605 estats->error_bytes_received_lo =
3606 le32_to_cpu(tclient->rcv_error_bytes.lo);
3607 ADD_64(estats->error_bytes_received_hi,
3608 estats->rx_stat_ifhcinbadoctets_hi,
3609 estats->error_bytes_received_lo,
3610 estats->rx_stat_ifhcinbadoctets_lo);
3611
3612 ADD_64(fstats->total_bytes_received_hi,
3613 estats->error_bytes_received_hi,
3614 fstats->total_bytes_received_lo,
3615 estats->error_bytes_received_lo);
3616
3617 UPDATE_EXTEND_TSTAT(rcv_unicast_pkts, total_unicast_packets_received);
3618 UPDATE_EXTEND_TSTAT(rcv_multicast_pkts,
3619 total_multicast_packets_received);
3620 UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts,
3621 total_broadcast_packets_received);
3622
3623 fstats->total_bytes_transmitted_hi =
3624 le32_to_cpu(xclient->total_sent_bytes.hi);
3625 fstats->total_bytes_transmitted_lo =
3626 le32_to_cpu(xclient->total_sent_bytes.lo);
3627
3628 UPDATE_EXTEND_XSTAT(unicast_pkts_sent,
3629 total_unicast_packets_transmitted);
3630 UPDATE_EXTEND_XSTAT(multicast_pkts_sent,
3631 total_multicast_packets_transmitted);
3632 UPDATE_EXTEND_XSTAT(broadcast_pkts_sent,
3633 total_broadcast_packets_transmitted);
3634
3635 memcpy(estats, &(fstats->total_bytes_received_hi),
3636 sizeof(struct host_func_stats) - 2*sizeof(u32));
3637
3638 estats->mac_filter_discard = le32_to_cpu(tport->mac_filter_discard);
3639 estats->xxoverflow_discard = le32_to_cpu(tport->xxoverflow_discard);
3640 estats->brb_truncate_discard =
3641 le32_to_cpu(tport->brb_truncate_discard);
3642 estats->mac_discard = le32_to_cpu(tport->mac_discard);
3643
3644 old_tclient->rcv_unicast_bytes.hi =
3645 le32_to_cpu(tclient->rcv_unicast_bytes.hi);
3646 old_tclient->rcv_unicast_bytes.lo =
3647 le32_to_cpu(tclient->rcv_unicast_bytes.lo);
3648 old_tclient->rcv_broadcast_bytes.hi =
3649 le32_to_cpu(tclient->rcv_broadcast_bytes.hi);
3650 old_tclient->rcv_broadcast_bytes.lo =
3651 le32_to_cpu(tclient->rcv_broadcast_bytes.lo);
3652 old_tclient->rcv_multicast_bytes.hi =
3653 le32_to_cpu(tclient->rcv_multicast_bytes.hi);
3654 old_tclient->rcv_multicast_bytes.lo =
3655 le32_to_cpu(tclient->rcv_multicast_bytes.lo);
3656 old_tclient->total_rcv_pkts = le32_to_cpu(tclient->total_rcv_pkts);
3657
3658 old_tclient->checksum_discard = le32_to_cpu(tclient->checksum_discard);
3659 old_tclient->packets_too_big_discard =
3660 le32_to_cpu(tclient->packets_too_big_discard);
3661 estats->no_buff_discard =
3662 old_tclient->no_buff_discard = le32_to_cpu(tclient->no_buff_discard);
3663 old_tclient->ttl0_discard = le32_to_cpu(tclient->ttl0_discard);
3664
3665 old_xclient->total_sent_pkts = le32_to_cpu(xclient->total_sent_pkts);
3666 old_xclient->unicast_bytes_sent.hi =
3667 le32_to_cpu(xclient->unicast_bytes_sent.hi);
3668 old_xclient->unicast_bytes_sent.lo =
3669 le32_to_cpu(xclient->unicast_bytes_sent.lo);
3670 old_xclient->multicast_bytes_sent.hi =
3671 le32_to_cpu(xclient->multicast_bytes_sent.hi);
3672 old_xclient->multicast_bytes_sent.lo =
3673 le32_to_cpu(xclient->multicast_bytes_sent.lo);
3674 old_xclient->broadcast_bytes_sent.hi =
3675 le32_to_cpu(xclient->broadcast_bytes_sent.hi);
3676 old_xclient->broadcast_bytes_sent.lo =
3677 le32_to_cpu(xclient->broadcast_bytes_sent.lo);
3678
3679 fstats->host_func_stats_start = ++fstats->host_func_stats_end;
3680
3681 return 0;
3682}
3683
3684static void bnx2x_net_stats_update(struct bnx2x *bp)
3685{
3686 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3687 struct bnx2x_eth_stats *estats = &bp->eth_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003688 struct net_device_stats *nstats = &bp->dev->stats;
3689
3690 nstats->rx_packets =
3691 bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
3692 bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
3693 bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
3694
3695 nstats->tx_packets =
3696 bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
3697 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
3698 bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
3699
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003700 nstats->rx_bytes = bnx2x_hilo(&estats->valid_bytes_received_hi);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003701
Eliezer Tamir0e39e642008-02-28 11:54:03 -08003702 nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003703
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003704 nstats->rx_dropped = old_tclient->checksum_discard +
3705 estats->mac_discard;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003706 nstats->tx_dropped = 0;
3707
3708 nstats->multicast =
3709 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi);
3710
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003711 nstats->collisions =
3712 estats->tx_stat_dot3statssinglecollisionframes_lo +
3713 estats->tx_stat_dot3statsmultiplecollisionframes_lo +
3714 estats->tx_stat_dot3statslatecollisions_lo +
3715 estats->tx_stat_dot3statsexcessivecollisions_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003716
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003717 estats->jabber_packets_received =
3718 old_tclient->packets_too_big_discard +
3719 estats->rx_stat_dot3statsframestoolong_lo;
3720
3721 nstats->rx_length_errors =
3722 estats->rx_stat_etherstatsundersizepkts_lo +
3723 estats->jabber_packets_received;
3724 nstats->rx_over_errors = estats->brb_drop_lo +
Eliezer Tamir0e39e642008-02-28 11:54:03 -08003725 estats->brb_truncate_discard;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003726 nstats->rx_crc_errors = estats->rx_stat_dot3statsfcserrors_lo;
3727 nstats->rx_frame_errors = estats->rx_stat_dot3statsalignmenterrors_lo;
3728 nstats->rx_fifo_errors = old_tclient->no_buff_discard;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003729 nstats->rx_missed_errors = estats->xxoverflow_discard;
3730
3731 nstats->rx_errors = nstats->rx_length_errors +
3732 nstats->rx_over_errors +
3733 nstats->rx_crc_errors +
3734 nstats->rx_frame_errors +
Eliezer Tamir0e39e642008-02-28 11:54:03 -08003735 nstats->rx_fifo_errors +
3736 nstats->rx_missed_errors;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003737
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003738 nstats->tx_aborted_errors =
3739 estats->tx_stat_dot3statslatecollisions_lo +
3740 estats->tx_stat_dot3statsexcessivecollisions_lo;
3741 nstats->tx_carrier_errors = estats->rx_stat_falsecarriererrors_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003742 nstats->tx_fifo_errors = 0;
3743 nstats->tx_heartbeat_errors = 0;
3744 nstats->tx_window_errors = 0;
3745
3746 nstats->tx_errors = nstats->tx_aborted_errors +
3747 nstats->tx_carrier_errors;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003748}
3749
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003750static void bnx2x_stats_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003751{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003752 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3753 int update = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003754
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003755 if (*stats_comp != DMAE_COMP_VAL)
3756 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003757
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003758 if (bp->port.pmf)
3759 update = (bnx2x_hw_stats_update(bp) == 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003760
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003761 update |= (bnx2x_storm_stats_update(bp) == 0);
3762
3763 if (update)
3764 bnx2x_net_stats_update(bp);
3765
3766 else {
3767 if (bp->stats_pending) {
3768 bp->stats_pending++;
3769 if (bp->stats_pending == 3) {
3770 BNX2X_ERR("stats not updated for 3 times\n");
3771 bnx2x_panic();
3772 return;
3773 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003774 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003775 }
3776
3777 if (bp->msglevel & NETIF_MSG_TIMER) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003778 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3779 struct bnx2x_eth_stats *estats = &bp->eth_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003780 struct net_device_stats *nstats = &bp->dev->stats;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003781 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003782
3783 printk(KERN_DEBUG "%s:\n", bp->dev->name);
3784 printk(KERN_DEBUG " tx avail (%4x) tx hc idx (%x)"
3785 " tx pkt (%lx)\n",
3786 bnx2x_tx_avail(bp->fp),
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003787 le16_to_cpu(*bp->fp->tx_cons_sb), nstats->tx_packets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003788 printk(KERN_DEBUG " rx usage (%4x) rx hc idx (%x)"
3789 " rx pkt (%lx)\n",
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003790 (u16)(le16_to_cpu(*bp->fp->rx_cons_sb) -
3791 bp->fp->rx_comp_cons),
3792 le16_to_cpu(*bp->fp->rx_cons_sb), nstats->rx_packets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003793 printk(KERN_DEBUG " %s (Xoff events %u) brb drops %u\n",
3794 netif_queue_stopped(bp->dev)? "Xoff" : "Xon",
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003795 estats->driver_xoff, estats->brb_drop_lo);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003796 printk(KERN_DEBUG "tstats: checksum_discard %u "
3797 "packets_too_big_discard %u no_buff_discard %u "
3798 "mac_discard %u mac_filter_discard %u "
3799 "xxovrflow_discard %u brb_truncate_discard %u "
3800 "ttl0_discard %u\n",
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003801 old_tclient->checksum_discard,
3802 old_tclient->packets_too_big_discard,
3803 old_tclient->no_buff_discard, estats->mac_discard,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003804 estats->mac_filter_discard, estats->xxoverflow_discard,
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003805 estats->brb_truncate_discard,
3806 old_tclient->ttl0_discard);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003807
3808 for_each_queue(bp, i) {
3809 printk(KERN_DEBUG "[%d]: %lu\t%lu\t%lu\n", i,
3810 bnx2x_fp(bp, i, tx_pkt),
3811 bnx2x_fp(bp, i, rx_pkt),
3812 bnx2x_fp(bp, i, rx_calls));
3813 }
3814 }
3815
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003816 bnx2x_hw_stats_post(bp);
3817 bnx2x_storm_stats_post(bp);
3818}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003819
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003820static void bnx2x_port_stats_stop(struct bnx2x *bp)
3821{
3822 struct dmae_command *dmae;
3823 u32 opcode;
3824 int loader_idx = PMF_DMAE_C(bp);
3825 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003826
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003827 bp->executer_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003828
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003829 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3830 DMAE_CMD_C_ENABLE |
3831 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003832#ifdef __BIG_ENDIAN
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003833 DMAE_CMD_ENDIANITY_B_DW_SWAP |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003834#else
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003835 DMAE_CMD_ENDIANITY_DW_SWAP |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003836#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003837 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3838 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3839
3840 if (bp->port.port_stx) {
3841
3842 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3843 if (bp->func_stx)
3844 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3845 else
3846 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3847 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3848 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3849 dmae->dst_addr_lo = bp->port.port_stx >> 2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003850 dmae->dst_addr_hi = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003851 dmae->len = sizeof(struct host_port_stats) >> 2;
3852 if (bp->func_stx) {
3853 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3854 dmae->comp_addr_hi = 0;
3855 dmae->comp_val = 1;
3856 } else {
3857 dmae->comp_addr_lo =
3858 U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3859 dmae->comp_addr_hi =
3860 U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3861 dmae->comp_val = DMAE_COMP_VAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003862
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003863 *stats_comp = 0;
3864 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003865 }
3866
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003867 if (bp->func_stx) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003868
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003869 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3870 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3871 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3872 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3873 dmae->dst_addr_lo = bp->func_stx >> 2;
3874 dmae->dst_addr_hi = 0;
3875 dmae->len = sizeof(struct host_func_stats) >> 2;
3876 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3877 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3878 dmae->comp_val = DMAE_COMP_VAL;
3879
3880 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003881 }
3882}
3883
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003884static void bnx2x_stats_stop(struct bnx2x *bp)
3885{
3886 int update = 0;
3887
3888 bnx2x_stats_comp(bp);
3889
3890 if (bp->port.pmf)
3891 update = (bnx2x_hw_stats_update(bp) == 0);
3892
3893 update |= (bnx2x_storm_stats_update(bp) == 0);
3894
3895 if (update) {
3896 bnx2x_net_stats_update(bp);
3897
3898 if (bp->port.pmf)
3899 bnx2x_port_stats_stop(bp);
3900
3901 bnx2x_hw_stats_post(bp);
3902 bnx2x_stats_comp(bp);
3903 }
3904}
3905
3906static void bnx2x_stats_do_nothing(struct bnx2x *bp)
3907{
3908}
3909
3910static const struct {
3911 void (*action)(struct bnx2x *bp);
3912 enum bnx2x_stats_state next_state;
3913} bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
3914/* state event */
3915{
3916/* DISABLED PMF */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
3917/* LINK_UP */ {bnx2x_stats_start, STATS_STATE_ENABLED},
3918/* UPDATE */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
3919/* STOP */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
3920},
3921{
3922/* ENABLED PMF */ {bnx2x_stats_pmf_start, STATS_STATE_ENABLED},
3923/* LINK_UP */ {bnx2x_stats_restart, STATS_STATE_ENABLED},
3924/* UPDATE */ {bnx2x_stats_update, STATS_STATE_ENABLED},
3925/* STOP */ {bnx2x_stats_stop, STATS_STATE_DISABLED}
3926}
3927};
3928
3929static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
3930{
3931 enum bnx2x_stats_state state = bp->stats_state;
3932
3933 bnx2x_stats_stm[state][event].action(bp);
3934 bp->stats_state = bnx2x_stats_stm[state][event].next_state;
3935
3936 if ((event != STATS_EVENT_UPDATE) || (bp->msglevel & NETIF_MSG_TIMER))
3937 DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
3938 state, event, bp->stats_state);
3939}
3940
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003941static void bnx2x_timer(unsigned long data)
3942{
3943 struct bnx2x *bp = (struct bnx2x *) data;
3944
3945 if (!netif_running(bp->dev))
3946 return;
3947
3948 if (atomic_read(&bp->intr_sem) != 0)
Eliezer Tamirf1410642008-02-28 11:51:50 -08003949 goto timer_restart;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003950
3951 if (poll) {
3952 struct bnx2x_fastpath *fp = &bp->fp[0];
3953 int rc;
3954
3955 bnx2x_tx_int(fp, 1000);
3956 rc = bnx2x_rx_int(fp, 1000);
3957 }
3958
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003959 if (!BP_NOMCP(bp)) {
3960 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003961 u32 drv_pulse;
3962 u32 mcp_pulse;
3963
3964 ++bp->fw_drv_pulse_wr_seq;
3965 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3966 /* TBD - add SYSTEM_TIME */
3967 drv_pulse = bp->fw_drv_pulse_wr_seq;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003968 SHMEM_WR(bp, func_mb[func].drv_pulse_mb, drv_pulse);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003969
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003970 mcp_pulse = (SHMEM_RD(bp, func_mb[func].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003971 MCP_PULSE_SEQ_MASK);
3972 /* The delta between driver pulse and mcp response
3973 * should be 1 (before mcp response) or 0 (after mcp response)
3974 */
3975 if ((drv_pulse != mcp_pulse) &&
3976 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3977 /* someone lost a heartbeat... */
3978 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3979 drv_pulse, mcp_pulse);
3980 }
3981 }
3982
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003983 if ((bp->state == BNX2X_STATE_OPEN) ||
3984 (bp->state == BNX2X_STATE_DISABLED))
3985 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003986
Eliezer Tamirf1410642008-02-28 11:51:50 -08003987timer_restart:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003988 mod_timer(&bp->timer, jiffies + bp->current_interval);
3989}
3990
3991/* end of Statistics */
3992
3993/* nic init */
3994
3995/*
3996 * nic init service functions
3997 */
3998
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003999static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004000{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004001 int port = BP_PORT(bp);
4002
4003 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
4004 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
4005 sizeof(struct ustorm_def_status_block)/4);
4006 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
4007 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
4008 sizeof(struct cstorm_def_status_block)/4);
4009}
4010
4011static void bnx2x_init_sb(struct bnx2x *bp, int sb_id,
4012 struct host_status_block *sb, dma_addr_t mapping)
4013{
4014 int port = BP_PORT(bp);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004015 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004016 int index;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004017 u64 section;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004018
4019 /* USTORM */
4020 section = ((u64)mapping) + offsetof(struct host_status_block,
4021 u_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004022 sb->u_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004023
4024 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004025 USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004026 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004027 ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004028 U64_HI(section));
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004029 REG_WR8(bp, BAR_USTRORM_INTMEM + FP_USB_FUNC_OFF +
4030 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004031
4032 for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++)
4033 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004034 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004035
4036 /* CSTORM */
4037 section = ((u64)mapping) + offsetof(struct host_status_block,
4038 c_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004039 sb->c_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004040
4041 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004042 CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004043 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004044 ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004045 U64_HI(section));
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004046 REG_WR8(bp, BAR_CSTRORM_INTMEM + FP_CSB_FUNC_OFF +
4047 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004048
4049 for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++)
4050 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004051 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004052
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004053 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
4054}
4055
4056static void bnx2x_zero_def_sb(struct bnx2x *bp)
4057{
4058 int func = BP_FUNC(bp);
4059
4060 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
4061 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4062 sizeof(struct ustorm_def_status_block)/4);
4063 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
4064 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4065 sizeof(struct cstorm_def_status_block)/4);
4066 bnx2x_init_fill(bp, BAR_XSTRORM_INTMEM +
4067 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4068 sizeof(struct xstorm_def_status_block)/4);
4069 bnx2x_init_fill(bp, BAR_TSTRORM_INTMEM +
4070 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4071 sizeof(struct tstorm_def_status_block)/4);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004072}
4073
4074static void bnx2x_init_def_sb(struct bnx2x *bp,
4075 struct host_def_status_block *def_sb,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004076 dma_addr_t mapping, int sb_id)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004077{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004078 int port = BP_PORT(bp);
4079 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004080 int index, val, reg_offset;
4081 u64 section;
4082
4083 /* ATTN */
4084 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4085 atten_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004086 def_sb->atten_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004087
Eliezer Tamir49d66772008-02-28 11:53:13 -08004088 bp->def_att_idx = 0;
4089 bp->attn_state = 0;
4090
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004091 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4092 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4093
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004094 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004095 bp->attn_group[index].sig[0] = REG_RD(bp,
4096 reg_offset + 0x10*index);
4097 bp->attn_group[index].sig[1] = REG_RD(bp,
4098 reg_offset + 0x4 + 0x10*index);
4099 bp->attn_group[index].sig[2] = REG_RD(bp,
4100 reg_offset + 0x8 + 0x10*index);
4101 bp->attn_group[index].sig[3] = REG_RD(bp,
4102 reg_offset + 0xc + 0x10*index);
4103 }
4104
4105 bp->aeu_mask = REG_RD(bp, (port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
4106 MISC_REG_AEU_MASK_ATTN_FUNC_0));
4107
4108 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4109 HC_REG_ATTN_MSG0_ADDR_L);
4110
4111 REG_WR(bp, reg_offset, U64_LO(section));
4112 REG_WR(bp, reg_offset + 4, U64_HI(section));
4113
4114 reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0);
4115
4116 val = REG_RD(bp, reg_offset);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004117 val |= sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004118 REG_WR(bp, reg_offset, val);
4119
4120 /* USTORM */
4121 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4122 u_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004123 def_sb->u_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004124
Eliezer Tamir49d66772008-02-28 11:53:13 -08004125 bp->def_u_idx = 0;
4126
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004127 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004128 USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004129 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004130 ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004131 U64_HI(section));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004132 REG_WR8(bp, BAR_USTRORM_INTMEM + DEF_USB_FUNC_OFF +
4133 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4134 REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004135 BNX2X_BTR);
4136
4137 for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++)
4138 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004139 USTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004140
4141 /* CSTORM */
4142 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4143 c_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004144 def_sb->c_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004145
Eliezer Tamir49d66772008-02-28 11:53:13 -08004146 bp->def_c_idx = 0;
4147
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004148 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004149 CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004150 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004151 ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004152 U64_HI(section));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004153 REG_WR8(bp, BAR_CSTRORM_INTMEM + DEF_CSB_FUNC_OFF +
4154 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4155 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004156 BNX2X_BTR);
4157
4158 for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++)
4159 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004160 CSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004161
4162 /* TSTORM */
4163 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4164 t_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004165 def_sb->t_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004166
Eliezer Tamir49d66772008-02-28 11:53:13 -08004167 bp->def_t_idx = 0;
4168
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004169 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004170 TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004171 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004172 ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004173 U64_HI(section));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004174 REG_WR8(bp, BAR_TSTRORM_INTMEM + DEF_TSB_FUNC_OFF +
4175 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4176 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004177 BNX2X_BTR);
4178
4179 for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++)
4180 REG_WR16(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004181 TSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004182
4183 /* XSTORM */
4184 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4185 x_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004186 def_sb->x_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004187
Eliezer Tamir49d66772008-02-28 11:53:13 -08004188 bp->def_x_idx = 0;
4189
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004190 REG_WR(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004191 XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004192 REG_WR(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004193 ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004194 U64_HI(section));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004195 REG_WR8(bp, BAR_XSTRORM_INTMEM + DEF_XSB_FUNC_OFF +
4196 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4197 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004198 BNX2X_BTR);
4199
4200 for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++)
4201 REG_WR16(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004202 XSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004203
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004204 bp->stats_pending = 0;
4205
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004206 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004207}
4208
4209static void bnx2x_update_coalesce(struct bnx2x *bp)
4210{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004211 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004212 int i;
4213
4214 for_each_queue(bp, i) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004215 int sb_id = bp->fp[i].sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004216
4217 /* HC_INDEX_U_ETH_RX_CQ_CONS */
4218 REG_WR8(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004219 USTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004220 HC_INDEX_U_ETH_RX_CQ_CONS),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004221 bp->rx_ticks/12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004222 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004223 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004224 HC_INDEX_U_ETH_RX_CQ_CONS),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004225 bp->rx_ticks ? 0 : 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004226
4227 /* HC_INDEX_C_ETH_TX_CQ_CONS */
4228 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004229 CSTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004230 HC_INDEX_C_ETH_TX_CQ_CONS),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004231 bp->tx_ticks/12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004232 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004233 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004234 HC_INDEX_C_ETH_TX_CQ_CONS),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004235 bp->tx_ticks ? 0 : 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004236 }
4237}
4238
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004239static inline void bnx2x_free_tpa_pool(struct bnx2x *bp,
4240 struct bnx2x_fastpath *fp, int last)
4241{
4242 int i;
4243
4244 for (i = 0; i < last; i++) {
4245 struct sw_rx_bd *rx_buf = &(fp->tpa_pool[i]);
4246 struct sk_buff *skb = rx_buf->skb;
4247
4248 if (skb == NULL) {
4249 DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i);
4250 continue;
4251 }
4252
4253 if (fp->tpa_state[i] == BNX2X_TPA_START)
4254 pci_unmap_single(bp->pdev,
4255 pci_unmap_addr(rx_buf, mapping),
4256 bp->rx_buf_use_size,
4257 PCI_DMA_FROMDEVICE);
4258
4259 dev_kfree_skb(skb);
4260 rx_buf->skb = NULL;
4261 }
4262}
4263
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004264static void bnx2x_init_rx_rings(struct bnx2x *bp)
4265{
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004266 int func = BP_FUNC(bp);
4267 u16 ring_prod, cqe_ring_prod = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004268 int i, j;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004269
4270 bp->rx_buf_use_size = bp->dev->mtu;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004271 bp->rx_buf_use_size += bp->rx_offset + ETH_OVREHEAD;
4272 bp->rx_buf_size = bp->rx_buf_use_size + 64;
4273
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004274 if (bp->flags & TPA_ENABLE_FLAG) {
4275 DP(NETIF_MSG_IFUP,
4276 "rx_buf_use_size %d rx_buf_size %d effective_mtu %d\n",
4277 bp->rx_buf_use_size, bp->rx_buf_size,
4278 bp->dev->mtu + ETH_OVREHEAD);
4279
4280 for_each_queue(bp, j) {
4281 for (i = 0; i < ETH_MAX_AGGREGATION_QUEUES_E1H; i++) {
4282 struct bnx2x_fastpath *fp = &bp->fp[j];
4283
4284 fp->tpa_pool[i].skb =
4285 netdev_alloc_skb(bp->dev, bp->rx_buf_size);
4286 if (!fp->tpa_pool[i].skb) {
4287 BNX2X_ERR("Failed to allocate TPA "
4288 "skb pool for queue[%d] - "
4289 "disabling TPA on this "
4290 "queue!\n", j);
4291 bnx2x_free_tpa_pool(bp, fp, i);
4292 fp->disable_tpa = 1;
4293 break;
4294 }
4295 pci_unmap_addr_set((struct sw_rx_bd *)
4296 &bp->fp->tpa_pool[i],
4297 mapping, 0);
4298 fp->tpa_state[i] = BNX2X_TPA_STOP;
4299 }
4300 }
4301 }
4302
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004303 for_each_queue(bp, j) {
4304 struct bnx2x_fastpath *fp = &bp->fp[j];
4305
4306 fp->rx_bd_cons = 0;
4307 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004308 fp->rx_bd_cons_sb = BNX2X_RX_SB_BD_INDEX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004309
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004310 /* "next page" elements initialization */
4311 /* SGE ring */
4312 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
4313 struct eth_rx_sge *sge;
4314
4315 sge = &fp->rx_sge_ring[RX_SGE_CNT * i - 2];
4316 sge->addr_hi =
4317 cpu_to_le32(U64_HI(fp->rx_sge_mapping +
4318 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4319 sge->addr_lo =
4320 cpu_to_le32(U64_LO(fp->rx_sge_mapping +
4321 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4322 }
4323
4324 bnx2x_init_sge_ring_bit_mask(fp);
4325
4326 /* RX BD ring */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004327 for (i = 1; i <= NUM_RX_RINGS; i++) {
4328 struct eth_rx_bd *rx_bd;
4329
4330 rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2];
4331 rx_bd->addr_hi =
4332 cpu_to_le32(U64_HI(fp->rx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004333 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004334 rx_bd->addr_lo =
4335 cpu_to_le32(U64_LO(fp->rx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004336 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004337 }
4338
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004339 /* CQ ring */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004340 for (i = 1; i <= NUM_RCQ_RINGS; i++) {
4341 struct eth_rx_cqe_next_page *nextpg;
4342
4343 nextpg = (struct eth_rx_cqe_next_page *)
4344 &fp->rx_comp_ring[RCQ_DESC_CNT * i - 1];
4345 nextpg->addr_hi =
4346 cpu_to_le32(U64_HI(fp->rx_comp_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004347 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004348 nextpg->addr_lo =
4349 cpu_to_le32(U64_LO(fp->rx_comp_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004350 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004351 }
4352
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004353 /* Allocate SGEs and initialize the ring elements */
4354 for (i = 0, ring_prod = 0;
4355 i < MAX_RX_SGE_CNT*NUM_RX_SGE_PAGES; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004356
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004357 if (bnx2x_alloc_rx_sge(bp, fp, ring_prod) < 0) {
4358 BNX2X_ERR("was only able to allocate "
4359 "%d rx sges\n", i);
4360 BNX2X_ERR("disabling TPA for queue[%d]\n", j);
4361 /* Cleanup already allocated elements */
4362 bnx2x_free_rx_sge_range(bp, fp, ring_prod);
4363 bnx2x_free_tpa_pool(bp, fp,
4364 ETH_MAX_AGGREGATION_QUEUES_E1H);
4365 fp->disable_tpa = 1;
4366 ring_prod = 0;
4367 break;
4368 }
4369 ring_prod = NEXT_SGE_IDX(ring_prod);
4370 }
4371 fp->rx_sge_prod = ring_prod;
4372
4373 /* Allocate BDs and initialize BD ring */
4374 fp->rx_comp_cons = fp->rx_alloc_failed = 0;
4375 cqe_ring_prod = ring_prod = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004376 for (i = 0; i < bp->rx_ring_size; i++) {
4377 if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) {
4378 BNX2X_ERR("was only able to allocate "
4379 "%d rx skbs\n", i);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004380 fp->rx_alloc_failed++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004381 break;
4382 }
4383 ring_prod = NEXT_RX_IDX(ring_prod);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004384 cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod);
Ilpo Järvinen53e5e962008-07-25 21:40:45 -07004385 WARN_ON(ring_prod <= i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004386 }
4387
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004388 fp->rx_bd_prod = ring_prod;
4389 /* must not have more available CQEs than BDs */
4390 fp->rx_comp_prod = min((u16)(NUM_RCQ_RINGS*RCQ_DESC_CNT),
4391 cqe_ring_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004392 fp->rx_pkt = fp->rx_calls = 0;
4393
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004394 /* Warning!
4395 * this will generate an interrupt (to the TSTORM)
4396 * must only be done after chip is initialized
4397 */
4398 bnx2x_update_rx_prod(bp, fp, ring_prod, fp->rx_comp_prod,
4399 fp->rx_sge_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004400 if (j != 0)
4401 continue;
4402
4403 REG_WR(bp, BAR_USTRORM_INTMEM +
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004404 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004405 U64_LO(fp->rx_comp_mapping));
4406 REG_WR(bp, BAR_USTRORM_INTMEM +
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004407 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004408 U64_HI(fp->rx_comp_mapping));
4409 }
4410}
4411
4412static void bnx2x_init_tx_ring(struct bnx2x *bp)
4413{
4414 int i, j;
4415
4416 for_each_queue(bp, j) {
4417 struct bnx2x_fastpath *fp = &bp->fp[j];
4418
4419 for (i = 1; i <= NUM_TX_RINGS; i++) {
4420 struct eth_tx_bd *tx_bd =
4421 &fp->tx_desc_ring[TX_DESC_CNT * i - 1];
4422
4423 tx_bd->addr_hi =
4424 cpu_to_le32(U64_HI(fp->tx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004425 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004426 tx_bd->addr_lo =
4427 cpu_to_le32(U64_LO(fp->tx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004428 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004429 }
4430
4431 fp->tx_pkt_prod = 0;
4432 fp->tx_pkt_cons = 0;
4433 fp->tx_bd_prod = 0;
4434 fp->tx_bd_cons = 0;
4435 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4436 fp->tx_pkt = 0;
4437 }
4438}
4439
4440static void bnx2x_init_sp_ring(struct bnx2x *bp)
4441{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004442 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004443
4444 spin_lock_init(&bp->spq_lock);
4445
4446 bp->spq_left = MAX_SPQ_PENDING;
4447 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004448 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4449 bp->spq_prod_bd = bp->spq;
4450 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
4451
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004452 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004453 U64_LO(bp->spq_mapping));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004454 REG_WR(bp,
4455 XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004456 U64_HI(bp->spq_mapping));
4457
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004458 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004459 bp->spq_prod_idx);
4460}
4461
4462static void bnx2x_init_context(struct bnx2x *bp)
4463{
4464 int i;
4465
4466 for_each_queue(bp, i) {
4467 struct eth_context *context = bnx2x_sp(bp, context[i].eth);
4468 struct bnx2x_fastpath *fp = &bp->fp[i];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004469 u8 sb_id = FP_SB_ID(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004470
4471 context->xstorm_st_context.tx_bd_page_base_hi =
4472 U64_HI(fp->tx_desc_mapping);
4473 context->xstorm_st_context.tx_bd_page_base_lo =
4474 U64_LO(fp->tx_desc_mapping);
4475 context->xstorm_st_context.db_data_addr_hi =
4476 U64_HI(fp->tx_prods_mapping);
4477 context->xstorm_st_context.db_data_addr_lo =
4478 U64_LO(fp->tx_prods_mapping);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004479 context->xstorm_st_context.statistics_data = (BP_CL_ID(bp) |
4480 XSTORM_ETH_ST_CONTEXT_STATISTICS_ENABLE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004481
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004482 context->ustorm_st_context.common.sb_index_numbers =
4483 BNX2X_RX_SB_INDEX_NUM;
4484 context->ustorm_st_context.common.clientId = FP_CL_ID(fp);
4485 context->ustorm_st_context.common.status_block_id = sb_id;
4486 context->ustorm_st_context.common.flags =
4487 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_MC_ALIGNMENT;
4488 context->ustorm_st_context.common.mc_alignment_size = 64;
4489 context->ustorm_st_context.common.bd_buff_size =
4490 bp->rx_buf_use_size;
4491 context->ustorm_st_context.common.bd_page_base_hi =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004492 U64_HI(fp->rx_desc_mapping);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004493 context->ustorm_st_context.common.bd_page_base_lo =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004494 U64_LO(fp->rx_desc_mapping);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004495 if (!fp->disable_tpa) {
4496 context->ustorm_st_context.common.flags |=
4497 (USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_TPA |
4498 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_SGE_RING);
4499 context->ustorm_st_context.common.sge_buff_size =
4500 (u16)(BCM_PAGE_SIZE*PAGES_PER_SGE);
4501 context->ustorm_st_context.common.sge_page_base_hi =
4502 U64_HI(fp->rx_sge_mapping);
4503 context->ustorm_st_context.common.sge_page_base_lo =
4504 U64_LO(fp->rx_sge_mapping);
4505 }
4506
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004507 context->cstorm_st_context.sb_index_number =
4508 HC_INDEX_C_ETH_TX_CQ_CONS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004509 context->cstorm_st_context.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004510
4511 context->xstorm_ag_context.cdu_reserved =
4512 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4513 CDU_REGION_NUMBER_XCM_AG,
4514 ETH_CONNECTION_TYPE);
4515 context->ustorm_ag_context.cdu_usage =
4516 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4517 CDU_REGION_NUMBER_UCM_AG,
4518 ETH_CONNECTION_TYPE);
4519 }
4520}
4521
4522static void bnx2x_init_ind_table(struct bnx2x *bp)
4523{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004524 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004525 int i;
4526
4527 if (!is_multi(bp))
4528 return;
4529
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004530 DP(NETIF_MSG_IFUP, "Initializing indirection table\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004531 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004532 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4533 TSTORM_INDIRECTION_TABLE_OFFSET(port) + i,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004534 i % bp->num_queues);
4535
4536 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
4537}
4538
Eliezer Tamir49d66772008-02-28 11:53:13 -08004539static void bnx2x_set_client_config(struct bnx2x *bp)
4540{
Eliezer Tamir49d66772008-02-28 11:53:13 -08004541 struct tstorm_eth_client_config tstorm_client = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004542 int port = BP_PORT(bp);
4543 int i;
Eliezer Tamir49d66772008-02-28 11:53:13 -08004544
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004545 tstorm_client.mtu = bp->dev->mtu + ETH_OVREHEAD;
Eliezer Tamir49d66772008-02-28 11:53:13 -08004546 tstorm_client.statistics_counter_id = 0;
4547 tstorm_client.config_flags =
4548 TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE;
4549#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004550 if (bp->rx_mode && bp->vlgrp) {
Eliezer Tamir49d66772008-02-28 11:53:13 -08004551 tstorm_client.config_flags |=
4552 TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE;
4553 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
4554 }
4555#endif
Eliezer Tamir49d66772008-02-28 11:53:13 -08004556
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004557 if (bp->flags & TPA_ENABLE_FLAG) {
4558 tstorm_client.max_sges_for_packet =
4559 BCM_PAGE_ALIGN(tstorm_client.mtu) >> BCM_PAGE_SHIFT;
4560 tstorm_client.max_sges_for_packet =
4561 ((tstorm_client.max_sges_for_packet +
4562 PAGES_PER_SGE - 1) & (~(PAGES_PER_SGE - 1))) >>
4563 PAGES_PER_SGE_SHIFT;
4564
4565 tstorm_client.config_flags |=
4566 TSTORM_ETH_CLIENT_CONFIG_ENABLE_SGE_RING;
4567 }
4568
Eliezer Tamir49d66772008-02-28 11:53:13 -08004569 for_each_queue(bp, i) {
4570 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004571 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id),
Eliezer Tamir49d66772008-02-28 11:53:13 -08004572 ((u32 *)&tstorm_client)[0]);
4573 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004574 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id) + 4,
Eliezer Tamir49d66772008-02-28 11:53:13 -08004575 ((u32 *)&tstorm_client)[1]);
4576 }
4577
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004578 DP(BNX2X_MSG_OFF, "tstorm_client: 0x%08x 0x%08x\n",
4579 ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]);
Eliezer Tamir49d66772008-02-28 11:53:13 -08004580}
4581
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004582static void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
4583{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004584 struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004585 int mode = bp->rx_mode;
4586 int mask = (1 << BP_L_ID(bp));
4587 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004588 int i;
4589
4590 DP(NETIF_MSG_RX_STATUS, "rx mode is %d\n", mode);
4591
4592 switch (mode) {
4593 case BNX2X_RX_MODE_NONE: /* no Rx */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004594 tstorm_mac_filter.ucast_drop_all = mask;
4595 tstorm_mac_filter.mcast_drop_all = mask;
4596 tstorm_mac_filter.bcast_drop_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004597 break;
4598 case BNX2X_RX_MODE_NORMAL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004599 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004600 break;
4601 case BNX2X_RX_MODE_ALLMULTI:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004602 tstorm_mac_filter.mcast_accept_all = mask;
4603 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004604 break;
4605 case BNX2X_RX_MODE_PROMISC:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004606 tstorm_mac_filter.ucast_accept_all = mask;
4607 tstorm_mac_filter.mcast_accept_all = mask;
4608 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004609 break;
4610 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004611 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4612 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004613 }
4614
4615 for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) {
4616 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004617 TSTORM_MAC_FILTER_CONFIG_OFFSET(func) + i * 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004618 ((u32 *)&tstorm_mac_filter)[i]);
4619
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004620/* DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004621 ((u32 *)&tstorm_mac_filter)[i]); */
4622 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004623
Eliezer Tamir49d66772008-02-28 11:53:13 -08004624 if (mode != BNX2X_RX_MODE_NONE)
4625 bnx2x_set_client_config(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004626}
4627
4628static void bnx2x_init_internal(struct bnx2x *bp)
4629{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004630 struct tstorm_eth_function_common_config tstorm_config = {0};
4631 struct stats_indication_flags stats_flags = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004632 int port = BP_PORT(bp);
4633 int func = BP_FUNC(bp);
4634 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004635
4636 if (is_multi(bp)) {
4637 tstorm_config.config_flags = MULTI_FLAGS;
4638 tstorm_config.rss_result_mask = MULTI_MASK;
4639 }
4640
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004641 tstorm_config.leading_client_id = BP_L_ID(bp);
4642
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004643 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004644 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004645 (*(u32 *)&tstorm_config));
4646
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004647/* DP(NETIF_MSG_IFUP, "tstorm_config: 0x%08x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004648 (*(u32 *)&tstorm_config)); */
4649
Eliezer Tamirc14423f2008-02-28 11:49:42 -08004650 bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004651 bnx2x_set_storm_rx_mode(bp);
4652
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004653 stats_flags.collect_eth = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004654
4655 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(port),
4656 ((u32 *)&stats_flags)[0]);
4657 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(port) + 4,
4658 ((u32 *)&stats_flags)[1]);
4659
4660 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(port),
4661 ((u32 *)&stats_flags)[0]);
4662 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(port) + 4,
4663 ((u32 *)&stats_flags)[1]);
4664
4665 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(port),
4666 ((u32 *)&stats_flags)[0]);
4667 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(port) + 4,
4668 ((u32 *)&stats_flags)[1]);
4669
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004670/* DP(NETIF_MSG_IFUP, "stats_flags: 0x%08x 0x%08x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004671 ((u32 *)&stats_flags)[0], ((u32 *)&stats_flags)[1]); */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004672
4673 if (CHIP_IS_E1H(bp)) {
4674 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
4675 IS_E1HMF(bp));
4676 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
4677 IS_E1HMF(bp));
4678 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
4679 IS_E1HMF(bp));
4680 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
4681 IS_E1HMF(bp));
4682
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004683 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(func),
4684 bp->e1hov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004685 }
4686
4687 /* Zero this manualy as its initialization is
4688 currently missing in the initTool */
4689 for (i = 0; i < USTORM_AGG_DATA_SIZE >> 2; i++)
4690 REG_WR(bp, BAR_USTRORM_INTMEM +
4691 USTORM_AGG_DATA_OFFSET + 4*i, 0);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004692
4693 for_each_queue(bp, i) {
4694 struct bnx2x_fastpath *fp = &bp->fp[i];
4695 u16 max_agg_size;
4696
4697 REG_WR(bp, BAR_USTRORM_INTMEM +
4698 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)),
4699 U64_LO(fp->rx_comp_mapping));
4700 REG_WR(bp, BAR_USTRORM_INTMEM +
4701 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)) + 4,
4702 U64_HI(fp->rx_comp_mapping));
4703
4704 max_agg_size = min((u32)(bp->rx_buf_use_size +
4705 8*BCM_PAGE_SIZE*PAGES_PER_SGE),
4706 (u32)0xffff);
4707 REG_WR16(bp, BAR_USTRORM_INTMEM +
4708 USTORM_MAX_AGG_SIZE_OFFSET(port, FP_CL_ID(fp)),
4709 max_agg_size);
4710 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004711}
4712
4713static void bnx2x_nic_init(struct bnx2x *bp)
4714{
4715 int i;
4716
4717 for_each_queue(bp, i) {
4718 struct bnx2x_fastpath *fp = &bp->fp[i];
4719
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004720 fp->bp = bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004721 fp->state = BNX2X_FP_STATE_CLOSED;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004722 fp->index = i;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004723 fp->cl_id = BP_L_ID(bp) + i;
4724 fp->sb_id = fp->cl_id;
4725 DP(NETIF_MSG_IFUP,
4726 "bnx2x_init_sb(%p,%p) index %d cl_id %d sb %d\n",
4727 bp, fp->status_blk, i, FP_CL_ID(fp), FP_SB_ID(fp));
4728 bnx2x_init_sb(bp, FP_SB_ID(fp), fp->status_blk,
4729 fp->status_blk_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004730 }
4731
4732 bnx2x_init_def_sb(bp, bp->def_status_blk,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004733 bp->def_status_blk_mapping, DEF_SB_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004734 bnx2x_update_coalesce(bp);
4735 bnx2x_init_rx_rings(bp);
4736 bnx2x_init_tx_ring(bp);
4737 bnx2x_init_sp_ring(bp);
4738 bnx2x_init_context(bp);
4739 bnx2x_init_internal(bp);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004740 bnx2x_storm_stats_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004741 bnx2x_init_ind_table(bp);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08004742 bnx2x_int_enable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004743}
4744
4745/* end of nic init */
4746
4747/*
4748 * gzip service functions
4749 */
4750
4751static int bnx2x_gunzip_init(struct bnx2x *bp)
4752{
4753 bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE,
4754 &bp->gunzip_mapping);
4755 if (bp->gunzip_buf == NULL)
4756 goto gunzip_nomem1;
4757
4758 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4759 if (bp->strm == NULL)
4760 goto gunzip_nomem2;
4761
4762 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4763 GFP_KERNEL);
4764 if (bp->strm->workspace == NULL)
4765 goto gunzip_nomem3;
4766
4767 return 0;
4768
4769gunzip_nomem3:
4770 kfree(bp->strm);
4771 bp->strm = NULL;
4772
4773gunzip_nomem2:
4774 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4775 bp->gunzip_mapping);
4776 bp->gunzip_buf = NULL;
4777
4778gunzip_nomem1:
4779 printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for"
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004780 " un-compression\n", bp->dev->name);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004781 return -ENOMEM;
4782}
4783
4784static void bnx2x_gunzip_end(struct bnx2x *bp)
4785{
4786 kfree(bp->strm->workspace);
4787
4788 kfree(bp->strm);
4789 bp->strm = NULL;
4790
4791 if (bp->gunzip_buf) {
4792 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4793 bp->gunzip_mapping);
4794 bp->gunzip_buf = NULL;
4795 }
4796}
4797
4798static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len)
4799{
4800 int n, rc;
4801
4802 /* check gzip header */
4803 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED))
4804 return -EINVAL;
4805
4806 n = 10;
4807
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004808#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004809
4810 if (zbuf[3] & FNAME)
4811 while ((zbuf[n++] != 0) && (n < len));
4812
4813 bp->strm->next_in = zbuf + n;
4814 bp->strm->avail_in = len - n;
4815 bp->strm->next_out = bp->gunzip_buf;
4816 bp->strm->avail_out = FW_BUF_SIZE;
4817
4818 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4819 if (rc != Z_OK)
4820 return rc;
4821
4822 rc = zlib_inflate(bp->strm, Z_FINISH);
4823 if ((rc != Z_OK) && (rc != Z_STREAM_END))
4824 printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n",
4825 bp->dev->name, bp->strm->msg);
4826
4827 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4828 if (bp->gunzip_outlen & 0x3)
4829 printk(KERN_ERR PFX "%s: Firmware decompression error:"
4830 " gunzip_outlen (%d) not aligned\n",
4831 bp->dev->name, bp->gunzip_outlen);
4832 bp->gunzip_outlen >>= 2;
4833
4834 zlib_inflateEnd(bp->strm);
4835
4836 if (rc == Z_STREAM_END)
4837 return 0;
4838
4839 return rc;
4840}
4841
4842/* nic load/unload */
4843
4844/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004845 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004846 */
4847
4848/* send a NIG loopback debug packet */
4849static void bnx2x_lb_pckt(struct bnx2x *bp)
4850{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004851 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004852
4853 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004854 wb_write[0] = 0x55555555;
4855 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004856 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004857 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004858
4859 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004860 wb_write[0] = 0x09000000;
4861 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004862 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004863 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004864}
4865
4866/* some of the internal memories
4867 * are not directly readable from the driver
4868 * to test them we send debug packets
4869 */
4870static int bnx2x_int_mem_test(struct bnx2x *bp)
4871{
4872 int factor;
4873 int count, i;
4874 u32 val = 0;
4875
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004876 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004877 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004878 else if (CHIP_REV_IS_EMUL(bp))
4879 factor = 200;
4880 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004881 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004882
4883 DP(NETIF_MSG_HW, "start part1\n");
4884
4885 /* Disable inputs of parser neighbor blocks */
4886 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4887 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4888 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4889 NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x0);
4890
4891 /* Write 0 to parser credits for CFC search request */
4892 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4893
4894 /* send Ethernet packet */
4895 bnx2x_lb_pckt(bp);
4896
4897 /* TODO do i reset NIG statistic? */
4898 /* Wait until NIG register shows 1 packet of size 0x10 */
4899 count = 1000 * factor;
4900 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004901
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004902 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4903 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004904 if (val == 0x10)
4905 break;
4906
4907 msleep(10);
4908 count--;
4909 }
4910 if (val != 0x10) {
4911 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4912 return -1;
4913 }
4914
4915 /* Wait until PRS register shows 1 packet */
4916 count = 1000 * factor;
4917 while (count) {
4918 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004919 if (val == 1)
4920 break;
4921
4922 msleep(10);
4923 count--;
4924 }
4925 if (val != 0x1) {
4926 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4927 return -2;
4928 }
4929
4930 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004931 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004932 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004933 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004934 msleep(50);
4935 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
4936 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
4937
4938 DP(NETIF_MSG_HW, "part2\n");
4939
4940 /* Disable inputs of parser neighbor blocks */
4941 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4942 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4943 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4944 NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x0);
4945
4946 /* Write 0 to parser credits for CFC search request */
4947 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4948
4949 /* send 10 Ethernet packets */
4950 for (i = 0; i < 10; i++)
4951 bnx2x_lb_pckt(bp);
4952
4953 /* Wait until NIG register shows 10 + 1
4954 packets of size 11*0x10 = 0xb0 */
4955 count = 1000 * factor;
4956 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004957
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004958 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4959 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004960 if (val == 0xb0)
4961 break;
4962
4963 msleep(10);
4964 count--;
4965 }
4966 if (val != 0xb0) {
4967 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4968 return -3;
4969 }
4970
4971 /* Wait until PRS register shows 2 packets */
4972 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4973 if (val != 2)
4974 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4975
4976 /* Write 1 to parser credits for CFC search request */
4977 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
4978
4979 /* Wait until PRS register shows 3 packets */
4980 msleep(10 * factor);
4981 /* Wait until NIG register shows 1 packet of size 0x10 */
4982 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4983 if (val != 3)
4984 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4985
4986 /* clear NIG EOP FIFO */
4987 for (i = 0; i < 11; i++)
4988 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
4989 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
4990 if (val != 1) {
4991 BNX2X_ERR("clear of NIG failed\n");
4992 return -4;
4993 }
4994
4995 /* Reset and init BRB, PRS, NIG */
4996 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4997 msleep(50);
4998 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4999 msleep(50);
5000 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5001 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5002#ifndef BCM_ISCSI
5003 /* set NIC mode */
5004 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5005#endif
5006
5007 /* Enable inputs of parser neighbor blocks */
5008 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
5009 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
5010 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
5011 NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x1);
5012
5013 DP(NETIF_MSG_HW, "done\n");
5014
5015 return 0; /* OK */
5016}
5017
5018static void enable_blocks_attention(struct bnx2x *bp)
5019{
5020 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5021 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
5022 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5023 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5024 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
5025 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
5026 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
5027 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
5028 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005029/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
5030/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005031 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
5032 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
5033 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005034/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
5035/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005036 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
5037 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
5038 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
5039 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005040/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
5041/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
5042 if (CHIP_REV_IS_FPGA(bp))
5043 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
5044 else
5045 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005046 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
5047 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
5048 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005049/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
5050/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005051 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
5052 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005053/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
5054 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005055}
5056
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005057
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005058static int bnx2x_init_common(struct bnx2x *bp)
5059{
5060 u32 val, i;
5061
5062 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_FUNC(bp));
5063
5064 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
5065 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
5066
5067 bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END);
5068 if (CHIP_IS_E1H(bp))
5069 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_E1HMF(bp));
5070
5071 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100);
5072 msleep(30);
5073 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0);
5074
5075 bnx2x_init_block(bp, PXP_COMMON_START, PXP_COMMON_END);
5076 if (CHIP_IS_E1(bp)) {
5077 /* enable HW interrupt from PXP on USDM overflow
5078 bit 16 on INT_MASK_0 */
5079 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005080 }
5081
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005082 bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END);
5083 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005084
5085#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005086 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5087 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5088 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5089 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5090 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
5091 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005092
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005093/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5094 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5095 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5096 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5097 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005098#endif
5099
5100#ifndef BCM_ISCSI
5101 /* set NIC mode */
5102 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5103#endif
5104
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005105 REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005106#ifdef BCM_ISCSI
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005107 REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5);
5108 REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5);
5109 REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005110#endif
5111
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005112 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5113 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005114
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005115 /* let the HW do it's magic ... */
5116 msleep(100);
5117 /* finish PXP init */
5118 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5119 if (val != 1) {
5120 BNX2X_ERR("PXP2 CFG failed\n");
5121 return -EBUSY;
5122 }
5123 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5124 if (val != 1) {
5125 BNX2X_ERR("PXP2 RD_INIT failed\n");
5126 return -EBUSY;
5127 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005128
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005129 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5130 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005131
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005132 bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005133
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005134 /* clean the DMAE memory */
5135 bp->dmae_ready = 1;
5136 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005137
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005138 bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END);
5139 bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END);
5140 bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END);
5141 bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005142
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005143 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5144 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5145 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5146 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5147
5148 bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END);
5149 /* soft reset pulse */
5150 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5151 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005152
5153#ifdef BCM_ISCSI
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005154 bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005155#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005156
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005157 bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END);
5158 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_SHIFT);
5159 if (!CHIP_REV_IS_SLOW(bp)) {
5160 /* enable hw interrupt from doorbell Q */
5161 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5162 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005163
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005164 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5165 if (CHIP_REV_IS_SLOW(bp)) {
5166 /* fix for emulation and FPGA for no pause */
5167 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0, 513);
5168 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_1, 513);
5169 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0, 0);
5170 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_1, 0);
5171 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005172
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005173 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5174 if (CHIP_IS_E1H(bp))
5175 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_E1HMF(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005176
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005177 bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END);
5178 bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END);
5179 bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END);
5180 bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005181
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005182 if (CHIP_IS_E1H(bp)) {
5183 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5184 STORM_INTMEM_SIZE_E1H/2);
5185 bnx2x_init_fill(bp,
5186 TSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5187 0, STORM_INTMEM_SIZE_E1H/2);
5188 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5189 STORM_INTMEM_SIZE_E1H/2);
5190 bnx2x_init_fill(bp,
5191 CSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5192 0, STORM_INTMEM_SIZE_E1H/2);
5193 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5194 STORM_INTMEM_SIZE_E1H/2);
5195 bnx2x_init_fill(bp,
5196 XSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5197 0, STORM_INTMEM_SIZE_E1H/2);
5198 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5199 STORM_INTMEM_SIZE_E1H/2);
5200 bnx2x_init_fill(bp,
5201 USTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5202 0, STORM_INTMEM_SIZE_E1H/2);
5203 } else { /* E1 */
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005204 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5205 STORM_INTMEM_SIZE_E1);
5206 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5207 STORM_INTMEM_SIZE_E1);
5208 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5209 STORM_INTMEM_SIZE_E1);
5210 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5211 STORM_INTMEM_SIZE_E1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005212 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005213
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005214 bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END);
5215 bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END);
5216 bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END);
5217 bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005218
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005219 /* sync semi rtc */
5220 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5221 0x80000000);
5222 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5223 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005224
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005225 bnx2x_init_block(bp, UPB_COMMON_START, UPB_COMMON_END);
5226 bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END);
5227 bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005228
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005229 REG_WR(bp, SRC_REG_SOFT_RST, 1);
5230 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) {
5231 REG_WR(bp, i, 0xc0cac01a);
5232 /* TODO: replace with something meaningful */
5233 }
5234 if (CHIP_IS_E1H(bp))
5235 bnx2x_init_block(bp, SRCH_COMMON_START, SRCH_COMMON_END);
5236 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005237
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005238 if (sizeof(union cdu_context) != 1024)
5239 /* we currently assume that a context is 1024 bytes */
5240 printk(KERN_ALERT PFX "please adjust the size of"
5241 " cdu_context(%ld)\n", (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005242
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005243 bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END);
5244 val = (4 << 24) + (0 << 12) + 1024;
5245 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
5246 if (CHIP_IS_E1(bp)) {
5247 /* !!! fix pxp client crdit until excel update */
5248 REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264);
5249 REG_WR(bp, CDU_REG_CDU_DEBUG, 0);
5250 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005251
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005252 bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END);
5253 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005254
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005255 bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END);
5256 bnx2x_init_block(bp, MISC_AEU_COMMON_START, MISC_AEU_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005257
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005258 /* PXPCS COMMON comes here */
5259 /* Reset PCIE errors for debug */
5260 REG_WR(bp, 0x2814, 0xffffffff);
5261 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005262
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005263 /* EMAC0 COMMON comes here */
5264 /* EMAC1 COMMON comes here */
5265 /* DBU COMMON comes here */
5266 /* DBG COMMON comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005267
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005268 bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END);
5269 if (CHIP_IS_E1H(bp)) {
5270 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_E1HMF(bp));
5271 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_E1HMF(bp));
5272 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005273
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005274 if (CHIP_REV_IS_SLOW(bp))
5275 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005276
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005277 /* finish CFC init */
5278 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5279 if (val != 1) {
5280 BNX2X_ERR("CFC LL_INIT failed\n");
5281 return -EBUSY;
5282 }
5283 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5284 if (val != 1) {
5285 BNX2X_ERR("CFC AC_INIT failed\n");
5286 return -EBUSY;
5287 }
5288 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5289 if (val != 1) {
5290 BNX2X_ERR("CFC CAM_INIT failed\n");
5291 return -EBUSY;
5292 }
5293 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005294
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005295 /* read NIG statistic
5296 to see if this is our first up since powerup */
5297 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5298 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005299
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005300 /* do internal memory self test */
5301 if ((CHIP_IS_E1(bp)) && (val == 0) && bnx2x_int_mem_test(bp)) {
5302 BNX2X_ERR("internal mem self test failed\n");
5303 return -EBUSY;
5304 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005305
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005306 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
5307 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5308 /* Fan failure is indicated by SPIO 5 */
5309 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
5310 MISC_REGISTERS_SPIO_INPUT_HI_Z);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005311
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005312 /* set to active low mode */
5313 val = REG_RD(bp, MISC_REG_SPIO_INT);
5314 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Eliezer Tamirf1410642008-02-28 11:51:50 -08005315 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005316 REG_WR(bp, MISC_REG_SPIO_INT, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005317
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005318 /* enable interrupt to signal the IGU */
5319 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
5320 val |= (1 << MISC_REGISTERS_SPIO_5);
5321 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
5322 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08005323
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005324 default:
5325 break;
5326 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08005327
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005328 /* clear PXP2 attentions */
5329 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005330
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005331 enable_blocks_attention(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005332
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005333 if (bp->flags & TPA_ENABLE_FLAG) {
5334 struct tstorm_eth_tpa_exist tmp = {0};
5335
5336 tmp.tpa_exist = 1;
5337
5338 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET,
5339 ((u32 *)&tmp)[0]);
5340 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET + 4,
5341 ((u32 *)&tmp)[1]);
5342 }
5343
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005344 return 0;
5345}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005346
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005347static int bnx2x_init_port(struct bnx2x *bp)
5348{
5349 int port = BP_PORT(bp);
5350 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005351
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005352 DP(BNX2X_MSG_MCP, "starting port init port %x\n", port);
5353
5354 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005355
5356 /* Port PXP comes here */
5357 /* Port PXP2 comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005358#ifdef BCM_ISCSI
5359 /* Port0 1
5360 * Port1 385 */
5361 i++;
5362 wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping);
5363 wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping);
5364 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5365 REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i));
5366
5367 /* Port0 2
5368 * Port1 386 */
5369 i++;
5370 wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping);
5371 wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping);
5372 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5373 REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i));
5374
5375 /* Port0 3
5376 * Port1 387 */
5377 i++;
5378 wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping);
5379 wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping);
5380 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5381 REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i));
5382#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005383 /* Port CMs come here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005384
5385 /* Port QM comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005386#ifdef BCM_ISCSI
5387 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20);
5388 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31);
5389
5390 bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START,
5391 func ? TIMERS_PORT1_END : TIMERS_PORT0_END);
5392#endif
5393 /* Port DQ comes here */
5394 /* Port BRB1 comes here */
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005395 /* Port PRS comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005396 /* Port TSDM comes here */
5397 /* Port CSDM comes here */
5398 /* Port USDM comes here */
5399 /* Port XSDM comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005400 bnx2x_init_block(bp, port ? TSEM_PORT1_START : TSEM_PORT0_START,
5401 port ? TSEM_PORT1_END : TSEM_PORT0_END);
5402 bnx2x_init_block(bp, port ? USEM_PORT1_START : USEM_PORT0_START,
5403 port ? USEM_PORT1_END : USEM_PORT0_END);
5404 bnx2x_init_block(bp, port ? CSEM_PORT1_START : CSEM_PORT0_START,
5405 port ? CSEM_PORT1_END : CSEM_PORT0_END);
5406 bnx2x_init_block(bp, port ? XSEM_PORT1_START : XSEM_PORT0_START,
5407 port ? XSEM_PORT1_END : XSEM_PORT0_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005408 /* Port UPB comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005409 /* Port XPB comes here */
5410
5411 bnx2x_init_block(bp, port ? PBF_PORT1_START : PBF_PORT0_START,
5412 port ? PBF_PORT1_END : PBF_PORT0_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005413
5414 /* configure PBF to work without PAUSE mtu 9000 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005415 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005416
5417 /* update threshold */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005418 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005419 /* update init credit */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005420 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005421
5422 /* probe changes */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005423 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005424 msleep(5);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005425 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005426
5427#ifdef BCM_ISCSI
5428 /* tell the searcher where the T2 table is */
5429 REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64);
5430
5431 wb_write[0] = U64_LO(bp->t2_mapping);
5432 wb_write[1] = U64_HI(bp->t2_mapping);
5433 REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2);
5434 wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64);
5435 wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64);
5436 REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2);
5437
5438 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10);
5439 /* Port SRCH comes here */
5440#endif
5441 /* Port CDU comes here */
5442 /* Port CFC comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005443
5444 if (CHIP_IS_E1(bp)) {
5445 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5446 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5447 }
5448 bnx2x_init_block(bp, port ? HC_PORT1_START : HC_PORT0_START,
5449 port ? HC_PORT1_END : HC_PORT0_END);
5450
5451 bnx2x_init_block(bp, port ? MISC_AEU_PORT1_START :
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005452 MISC_AEU_PORT0_START,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005453 port ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END);
5454 /* init aeu_mask_attn_func_0/1:
5455 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5456 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5457 * bits 4-7 are used for "per vn group attention" */
5458 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4,
5459 (IS_E1HMF(bp) ? 0xF7 : 0x7));
5460
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005461 /* Port PXPCS comes here */
5462 /* Port EMAC0 comes here */
5463 /* Port EMAC1 comes here */
5464 /* Port DBU comes here */
5465 /* Port DBG comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005466 bnx2x_init_block(bp, port ? NIG_PORT1_START : NIG_PORT0_START,
5467 port ? NIG_PORT1_END : NIG_PORT0_END);
5468
5469 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5470
5471 if (CHIP_IS_E1H(bp)) {
5472 u32 wsum;
5473 struct cmng_struct_per_port m_cmng_port;
5474 int vn;
5475
5476 /* 0x2 disable e1hov, 0x1 enable */
5477 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
5478 (IS_E1HMF(bp) ? 0x1 : 0x2));
5479
5480 /* Init RATE SHAPING and FAIRNESS contexts.
5481 Initialize as if there is 10G link. */
5482 wsum = bnx2x_calc_vn_wsum(bp);
5483 bnx2x_init_port_minmax(bp, (int)wsum, 10000, &m_cmng_port);
5484 if (IS_E1HMF(bp))
5485 for (vn = VN_0; vn < E1HVN_MAX; vn++)
5486 bnx2x_init_vn_minmax(bp, 2*vn + port,
5487 wsum, 10000, &m_cmng_port);
5488 }
5489
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005490 /* Port MCP comes here */
5491 /* Port DMAE comes here */
5492
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005493 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08005494 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5495 /* add SPIO 5 to group 0 */
5496 val = REG_RD(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5497 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
5498 REG_WR(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0, val);
5499 break;
5500
5501 default:
5502 break;
5503 }
5504
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07005505 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005506
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005507 return 0;
5508}
5509
5510#define ILT_PER_FUNC (768/2)
5511#define FUNC_ILT_BASE(func) (func * ILT_PER_FUNC)
5512/* the phys address is shifted right 12 bits and has an added
5513 1=valid bit added to the 53rd bit
5514 then since this is a wide register(TM)
5515 we split it into two 32 bit writes
5516 */
5517#define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF))
5518#define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44)))
5519#define PXP_ONE_ILT(x) (((x) << 10) | x)
5520#define PXP_ILT_RANGE(f, l) (((l) << 10) | f)
5521
5522#define CNIC_ILT_LINES 0
5523
5524static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5525{
5526 int reg;
5527
5528 if (CHIP_IS_E1H(bp))
5529 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5530 else /* E1 */
5531 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
5532
5533 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5534}
5535
5536static int bnx2x_init_func(struct bnx2x *bp)
5537{
5538 int port = BP_PORT(bp);
5539 int func = BP_FUNC(bp);
5540 int i;
5541
5542 DP(BNX2X_MSG_MCP, "starting func init func %x\n", func);
5543
5544 i = FUNC_ILT_BASE(func);
5545
5546 bnx2x_ilt_wr(bp, i, bnx2x_sp_mapping(bp, context));
5547 if (CHIP_IS_E1H(bp)) {
5548 REG_WR(bp, PXP2_REG_RQ_CDU_FIRST_ILT, i);
5549 REG_WR(bp, PXP2_REG_RQ_CDU_LAST_ILT, i + CNIC_ILT_LINES);
5550 } else /* E1 */
5551 REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4,
5552 PXP_ILT_RANGE(i, i + CNIC_ILT_LINES));
5553
5554
5555 if (CHIP_IS_E1H(bp)) {
5556 for (i = 0; i < 9; i++)
5557 bnx2x_init_block(bp,
5558 cm_start[func][i], cm_end[func][i]);
5559
5560 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
5561 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->e1hov);
5562 }
5563
5564 /* HC init per function */
5565 if (CHIP_IS_E1H(bp)) {
5566 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5567
5568 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5569 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5570 }
5571 bnx2x_init_block(bp, hc_limits[func][0], hc_limits[func][1]);
5572
5573 if (CHIP_IS_E1H(bp))
5574 REG_WR(bp, HC_REG_FUNC_NUM_P0 + port*4, func);
5575
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005576 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005577 REG_WR(bp, 0x2114, 0xffffffff);
5578 REG_WR(bp, 0x2120, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005579
5580 return 0;
5581}
5582
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005583static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5584{
5585 int i, rc = 0;
5586
5587 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
5588 BP_FUNC(bp), load_code);
5589
5590 bp->dmae_ready = 0;
5591 mutex_init(&bp->dmae_mutex);
5592 bnx2x_gunzip_init(bp);
5593
5594 switch (load_code) {
5595 case FW_MSG_CODE_DRV_LOAD_COMMON:
5596 rc = bnx2x_init_common(bp);
5597 if (rc)
5598 goto init_hw_err;
5599 /* no break */
5600
5601 case FW_MSG_CODE_DRV_LOAD_PORT:
5602 bp->dmae_ready = 1;
5603 rc = bnx2x_init_port(bp);
5604 if (rc)
5605 goto init_hw_err;
5606 /* no break */
5607
5608 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5609 bp->dmae_ready = 1;
5610 rc = bnx2x_init_func(bp);
5611 if (rc)
5612 goto init_hw_err;
5613 break;
5614
5615 default:
5616 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5617 break;
5618 }
5619
5620 if (!BP_NOMCP(bp)) {
5621 int func = BP_FUNC(bp);
5622
5623 bp->fw_drv_pulse_wr_seq =
5624 (SHMEM_RD(bp, func_mb[func].drv_pulse_mb) &
5625 DRV_PULSE_SEQ_MASK);
5626 bp->func_stx = SHMEM_RD(bp, func_mb[func].fw_mb_param);
5627 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x func_stx 0x%x\n",
5628 bp->fw_drv_pulse_wr_seq, bp->func_stx);
5629 } else
5630 bp->func_stx = 0;
5631
5632 /* this needs to be done before gunzip end */
5633 bnx2x_zero_def_sb(bp);
5634 for_each_queue(bp, i)
5635 bnx2x_zero_sb(bp, BP_L_ID(bp) + i);
5636
5637init_hw_err:
5638 bnx2x_gunzip_end(bp);
5639
5640 return rc;
5641}
5642
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005643/* send the MCP a request, block until there is a reply */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005644static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
5645{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005646 int func = BP_FUNC(bp);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005647 u32 seq = ++bp->fw_seq;
5648 u32 rc = 0;
Eilon Greenstein19680c42008-08-13 15:47:33 -07005649 u32 cnt = 1;
5650 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005651
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005652 SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq));
Eliezer Tamirf1410642008-02-28 11:51:50 -08005653 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005654
Eilon Greenstein19680c42008-08-13 15:47:33 -07005655 do {
5656 /* let the FW do it's magic ... */
5657 msleep(delay);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005658
Eilon Greenstein19680c42008-08-13 15:47:33 -07005659 rc = SHMEM_RD(bp, func_mb[func].fw_mb_header);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005660
Eilon Greenstein19680c42008-08-13 15:47:33 -07005661 /* Give the FW up to 2 second (200*10ms) */
5662 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 200));
5663
5664 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
5665 cnt*delay, rc, seq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005666
5667 /* is this a reply to our command? */
5668 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) {
5669 rc &= FW_MSG_CODE_MASK;
Eliezer Tamirf1410642008-02-28 11:51:50 -08005670
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005671 } else {
5672 /* FW BUG! */
5673 BNX2X_ERR("FW failed to respond!\n");
5674 bnx2x_fw_dump(bp);
5675 rc = 0;
5676 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08005677
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005678 return rc;
5679}
5680
5681static void bnx2x_free_mem(struct bnx2x *bp)
5682{
5683
5684#define BNX2X_PCI_FREE(x, y, size) \
5685 do { \
5686 if (x) { \
5687 pci_free_consistent(bp->pdev, size, x, y); \
5688 x = NULL; \
5689 y = 0; \
5690 } \
5691 } while (0)
5692
5693#define BNX2X_FREE(x) \
5694 do { \
5695 if (x) { \
5696 vfree(x); \
5697 x = NULL; \
5698 } \
5699 } while (0)
5700
5701 int i;
5702
5703 /* fastpath */
5704 for_each_queue(bp, i) {
5705
5706 /* Status blocks */
5707 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk),
5708 bnx2x_fp(bp, i, status_blk_mapping),
5709 sizeof(struct host_status_block) +
5710 sizeof(struct eth_tx_db_data));
5711
5712 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5713 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
5714 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
5715 bnx2x_fp(bp, i, tx_desc_mapping),
5716 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5717
5718 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5719 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5720 bnx2x_fp(bp, i, rx_desc_mapping),
5721 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5722
5723 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5724 bnx2x_fp(bp, i, rx_comp_mapping),
5725 sizeof(struct eth_fast_path_rx_cqe) *
5726 NUM_RCQ_BD);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005727
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005728 /* SGE ring */
5729 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5730 bnx2x_fp(bp, i, rx_sge_mapping),
5731 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5732 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005733 /* end of fastpath */
5734
5735 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005736 sizeof(struct host_def_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005737
5738 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005739 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005740
5741#ifdef BCM_ISCSI
5742 BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024);
5743 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024);
5744 BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024);
5745 BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024);
5746#endif
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005747 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005748
5749#undef BNX2X_PCI_FREE
5750#undef BNX2X_KFREE
5751}
5752
5753static int bnx2x_alloc_mem(struct bnx2x *bp)
5754{
5755
5756#define BNX2X_PCI_ALLOC(x, y, size) \
5757 do { \
5758 x = pci_alloc_consistent(bp->pdev, size, y); \
5759 if (x == NULL) \
5760 goto alloc_mem_err; \
5761 memset(x, 0, size); \
5762 } while (0)
5763
5764#define BNX2X_ALLOC(x, size) \
5765 do { \
5766 x = vmalloc(size); \
5767 if (x == NULL) \
5768 goto alloc_mem_err; \
5769 memset(x, 0, size); \
5770 } while (0)
5771
5772 int i;
5773
5774 /* fastpath */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005775 for_each_queue(bp, i) {
5776 bnx2x_fp(bp, i, bp) = bp;
5777
5778 /* Status blocks */
5779 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk),
5780 &bnx2x_fp(bp, i, status_blk_mapping),
5781 sizeof(struct host_status_block) +
5782 sizeof(struct eth_tx_db_data));
5783
5784 bnx2x_fp(bp, i, hw_tx_prods) =
5785 (void *)(bnx2x_fp(bp, i, status_blk) + 1);
5786
5787 bnx2x_fp(bp, i, tx_prods_mapping) =
5788 bnx2x_fp(bp, i, status_blk_mapping) +
5789 sizeof(struct host_status_block);
5790
5791 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5792 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
5793 sizeof(struct sw_tx_bd) * NUM_TX_BD);
5794 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
5795 &bnx2x_fp(bp, i, tx_desc_mapping),
5796 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5797
5798 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
5799 sizeof(struct sw_rx_bd) * NUM_RX_BD);
5800 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
5801 &bnx2x_fp(bp, i, rx_desc_mapping),
5802 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5803
5804 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
5805 &bnx2x_fp(bp, i, rx_comp_mapping),
5806 sizeof(struct eth_fast_path_rx_cqe) *
5807 NUM_RCQ_BD);
5808
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005809 /* SGE ring */
5810 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
5811 sizeof(struct sw_rx_page) * NUM_RX_SGE);
5812 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
5813 &bnx2x_fp(bp, i, rx_sge_mapping),
5814 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005815 }
5816 /* end of fastpath */
5817
5818 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
5819 sizeof(struct host_def_status_block));
5820
5821 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5822 sizeof(struct bnx2x_slowpath));
5823
5824#ifdef BCM_ISCSI
5825 BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024);
5826
5827 /* Initialize T1 */
5828 for (i = 0; i < 64*1024; i += 64) {
5829 *(u64 *)((char *)bp->t1 + i + 56) = 0x0UL;
5830 *(u64 *)((char *)bp->t1 + i + 3) = 0x0UL;
5831 }
5832
5833 /* allocate searcher T2 table
5834 we allocate 1/4 of alloc num for T2
5835 (which is not entered into the ILT) */
5836 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024);
5837
5838 /* Initialize T2 */
5839 for (i = 0; i < 16*1024; i += 64)
5840 * (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64;
5841
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005842 /* now fixup the last line in the block to point to the next block */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005843 *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping;
5844
5845 /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */
5846 BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024);
5847
5848 /* QM queues (128*MAX_CONN) */
5849 BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024);
5850#endif
5851
5852 /* Slow path ring */
5853 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5854
5855 return 0;
5856
5857alloc_mem_err:
5858 bnx2x_free_mem(bp);
5859 return -ENOMEM;
5860
5861#undef BNX2X_PCI_ALLOC
5862#undef BNX2X_ALLOC
5863}
5864
5865static void bnx2x_free_tx_skbs(struct bnx2x *bp)
5866{
5867 int i;
5868
5869 for_each_queue(bp, i) {
5870 struct bnx2x_fastpath *fp = &bp->fp[i];
5871
5872 u16 bd_cons = fp->tx_bd_cons;
5873 u16 sw_prod = fp->tx_pkt_prod;
5874 u16 sw_cons = fp->tx_pkt_cons;
5875
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005876 while (sw_cons != sw_prod) {
5877 bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons));
5878 sw_cons++;
5879 }
5880 }
5881}
5882
5883static void bnx2x_free_rx_skbs(struct bnx2x *bp)
5884{
5885 int i, j;
5886
5887 for_each_queue(bp, j) {
5888 struct bnx2x_fastpath *fp = &bp->fp[j];
5889
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005890 for (i = 0; i < NUM_RX_BD; i++) {
5891 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i];
5892 struct sk_buff *skb = rx_buf->skb;
5893
5894 if (skb == NULL)
5895 continue;
5896
5897 pci_unmap_single(bp->pdev,
5898 pci_unmap_addr(rx_buf, mapping),
5899 bp->rx_buf_use_size,
5900 PCI_DMA_FROMDEVICE);
5901
5902 rx_buf->skb = NULL;
5903 dev_kfree_skb(skb);
5904 }
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005905 if (!fp->disable_tpa)
5906 bnx2x_free_tpa_pool(bp, fp,
5907 ETH_MAX_AGGREGATION_QUEUES_E1H);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005908 }
5909}
5910
5911static void bnx2x_free_skbs(struct bnx2x *bp)
5912{
5913 bnx2x_free_tx_skbs(bp);
5914 bnx2x_free_rx_skbs(bp);
5915}
5916
5917static void bnx2x_free_msix_irqs(struct bnx2x *bp)
5918{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005919 int i, offset = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005920
5921 free_irq(bp->msix_table[0].vector, bp->dev);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005922 DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005923 bp->msix_table[0].vector);
5924
5925 for_each_queue(bp, i) {
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005926 DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq "
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005927 "state %x\n", i, bp->msix_table[i + offset].vector,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005928 bnx2x_fp(bp, i, state));
5929
Eliezer Tamir228241e2008-02-28 11:56:57 -08005930 if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED)
5931 BNX2X_ERR("IRQ of fp #%d being freed while "
5932 "state != closed\n", i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005933
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005934 free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005935 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005936}
5937
5938static void bnx2x_free_irq(struct bnx2x *bp)
5939{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005940 if (bp->flags & USING_MSIX_FLAG) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005941 bnx2x_free_msix_irqs(bp);
5942 pci_disable_msix(bp->pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005943 bp->flags &= ~USING_MSIX_FLAG;
5944
5945 } else
5946 free_irq(bp->pdev->irq, bp->dev);
5947}
5948
5949static int bnx2x_enable_msix(struct bnx2x *bp)
5950{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005951 int i, rc, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005952
5953 bp->msix_table[0].entry = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005954 offset = 1;
5955 DP(NETIF_MSG_IFUP, "msix_table[0].entry = 0 (slowpath)\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005956
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005957 for_each_queue(bp, i) {
5958 int igu_vec = offset + i + BP_L_ID(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005959
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005960 bp->msix_table[i + offset].entry = igu_vec;
5961 DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d "
5962 "(fastpath #%u)\n", i + offset, igu_vec, i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005963 }
5964
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005965 rc = pci_enable_msix(bp->pdev, &bp->msix_table[0],
5966 bp->num_queues + offset);
5967 if (rc) {
5968 DP(NETIF_MSG_IFUP, "MSI-X is not attainable\n");
5969 return -1;
5970 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005971 bp->flags |= USING_MSIX_FLAG;
5972
5973 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005974}
5975
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005976static int bnx2x_req_msix_irqs(struct bnx2x *bp)
5977{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005978 int i, rc, offset = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005979
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005980 rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0,
5981 bp->dev->name, bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005982 if (rc) {
5983 BNX2X_ERR("request sp irq failed\n");
5984 return -EBUSY;
5985 }
5986
5987 for_each_queue(bp, i) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005988 rc = request_irq(bp->msix_table[i + offset].vector,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005989 bnx2x_msix_fp_int, 0,
5990 bp->dev->name, &bp->fp[i]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005991 if (rc) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005992 BNX2X_ERR("request fp #%d irq failed rc %d\n",
5993 i + offset, rc);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005994 bnx2x_free_msix_irqs(bp);
5995 return -EBUSY;
5996 }
5997
5998 bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005999 }
6000
6001 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006002}
6003
6004static int bnx2x_req_irq(struct bnx2x *bp)
6005{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006006 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006007
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006008 rc = request_irq(bp->pdev->irq, bnx2x_interrupt, IRQF_SHARED,
6009 bp->dev->name, bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006010 if (!rc)
6011 bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ;
6012
6013 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006014}
6015
6016/*
6017 * Init service functions
6018 */
6019
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006020static void bnx2x_set_mac_addr_e1(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006021{
6022 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006023 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006024
6025 /* CAM allocation
6026 * unicasts 0-31:port0 32-63:port1
6027 * multicast 64-127:port0 128-191:port1
6028 */
6029 config->hdr.length_6b = 2;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006030 config->hdr.offset = port ? 31 : 0;
6031 config->hdr.client_id = BP_CL_ID(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006032 config->hdr.reserved1 = 0;
6033
6034 /* primary MAC */
6035 config->config_table[0].cam_entry.msb_mac_addr =
6036 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6037 config->config_table[0].cam_entry.middle_mac_addr =
6038 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6039 config->config_table[0].cam_entry.lsb_mac_addr =
6040 swab16(*(u16 *)&bp->dev->dev_addr[4]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006041 config->config_table[0].cam_entry.flags = cpu_to_le16(port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006042 config->config_table[0].target_table_entry.flags = 0;
6043 config->config_table[0].target_table_entry.client_id = 0;
6044 config->config_table[0].target_table_entry.vlan_id = 0;
6045
6046 DP(NETIF_MSG_IFUP, "setting MAC (%04x:%04x:%04x)\n",
6047 config->config_table[0].cam_entry.msb_mac_addr,
6048 config->config_table[0].cam_entry.middle_mac_addr,
6049 config->config_table[0].cam_entry.lsb_mac_addr);
6050
6051 /* broadcast */
6052 config->config_table[1].cam_entry.msb_mac_addr = 0xffff;
6053 config->config_table[1].cam_entry.middle_mac_addr = 0xffff;
6054 config->config_table[1].cam_entry.lsb_mac_addr = 0xffff;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006055 config->config_table[1].cam_entry.flags = cpu_to_le16(port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006056 config->config_table[1].target_table_entry.flags =
6057 TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST;
6058 config->config_table[1].target_table_entry.client_id = 0;
6059 config->config_table[1].target_table_entry.vlan_id = 0;
6060
6061 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6062 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6063 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6064}
6065
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006066static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp)
6067{
6068 struct mac_configuration_cmd_e1h *config =
6069 (struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config);
6070
6071 if (bp->state != BNX2X_STATE_OPEN) {
6072 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
6073 return;
6074 }
6075
6076 /* CAM allocation for E1H
6077 * unicasts: by func number
6078 * multicast: 20+FUNC*20, 20 each
6079 */
6080 config->hdr.length_6b = 1;
6081 config->hdr.offset = BP_FUNC(bp);
6082 config->hdr.client_id = BP_CL_ID(bp);
6083 config->hdr.reserved1 = 0;
6084
6085 /* primary MAC */
6086 config->config_table[0].msb_mac_addr =
6087 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6088 config->config_table[0].middle_mac_addr =
6089 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6090 config->config_table[0].lsb_mac_addr =
6091 swab16(*(u16 *)&bp->dev->dev_addr[4]);
6092 config->config_table[0].client_id = BP_L_ID(bp);
6093 config->config_table[0].vlan_id = 0;
6094 config->config_table[0].e1hov_id = cpu_to_le16(bp->e1hov);
6095 config->config_table[0].flags = BP_PORT(bp);
6096
6097 DP(NETIF_MSG_IFUP, "setting MAC (%04x:%04x:%04x) E1HOV %d CLID %d\n",
6098 config->config_table[0].msb_mac_addr,
6099 config->config_table[0].middle_mac_addr,
6100 config->config_table[0].lsb_mac_addr, bp->e1hov, BP_L_ID(bp));
6101
6102 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6103 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6104 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6105}
6106
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006107static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6108 int *state_p, int poll)
6109{
6110 /* can take a while if any port is running */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006111 int cnt = 500;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006112
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006113 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6114 poll ? "polling" : "waiting", state, idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006115
6116 might_sleep();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006117 while (cnt--) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006118 if (poll) {
6119 bnx2x_rx_int(bp->fp, 10);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006120 /* if index is different from 0
6121 * the reply for some commands will
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006122 * be on the none default queue
6123 */
6124 if (idx)
6125 bnx2x_rx_int(&bp->fp[idx], 10);
6126 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006127 mb(); /* state is changed by bnx2x_sp_event() */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006128
Eliezer Tamir49d66772008-02-28 11:53:13 -08006129 if (*state_p == state)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006130 return 0;
6131
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006132 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006133 }
6134
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006135 /* timeout! */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006136 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6137 poll ? "polling" : "waiting", state, idx);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006138#ifdef BNX2X_STOP_ON_ERROR
6139 bnx2x_panic();
6140#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006141
Eliezer Tamir49d66772008-02-28 11:53:13 -08006142 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006143}
6144
6145static int bnx2x_setup_leading(struct bnx2x *bp)
6146{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006147 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006148
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006149 /* reset IGU state */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006150 bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006151
6152 /* SETUP ramrod */
6153 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0);
6154
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006155 /* Wait for completion */
6156 rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006157
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006158 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006159}
6160
6161static int bnx2x_setup_multi(struct bnx2x *bp, int index)
6162{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006163 /* reset IGU state */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006164 bnx2x_ack_sb(bp, bp->fp[index].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006165
Eliezer Tamir228241e2008-02-28 11:56:57 -08006166 /* SETUP ramrod */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006167 bp->fp[index].state = BNX2X_FP_STATE_OPENING;
6168 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0);
6169
6170 /* Wait for completion */
6171 return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index,
Eliezer Tamir228241e2008-02-28 11:56:57 -08006172 &(bp->fp[index].state), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006173}
6174
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006175static int bnx2x_poll(struct napi_struct *napi, int budget);
6176static void bnx2x_set_rx_mode(struct net_device *dev);
6177
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006178/* must be called with rtnl_lock */
6179static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006180{
Eliezer Tamir228241e2008-02-28 11:56:57 -08006181 u32 load_code;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006182 int i, rc;
6183
6184#ifdef BNX2X_STOP_ON_ERROR
6185 if (unlikely(bp->panic))
6186 return -EPERM;
6187#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006188
6189 bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;
6190
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006191 /* Send LOAD_REQUEST command to MCP
6192 Returns the type of LOAD command:
6193 if it is the first port to be initialized
6194 common blocks should be initialized, otherwise - not
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006195 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006196 if (!BP_NOMCP(bp)) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08006197 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ);
6198 if (!load_code) {
6199 BNX2X_ERR("MCP response failure, unloading\n");
6200 return -EBUSY;
6201 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006202 if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006203 return -EBUSY; /* other port in diagnostic mode */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006204
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006205 } else {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006206 DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n",
6207 load_count[0], load_count[1], load_count[2]);
6208 load_count[0]++;
6209 load_count[1 + BP_PORT(bp)]++;
6210 DP(NETIF_MSG_IFUP, "NO MCP new load counts %d, %d, %d\n",
6211 load_count[0], load_count[1], load_count[2]);
6212 if (load_count[0] == 1)
6213 load_code = FW_MSG_CODE_DRV_LOAD_COMMON;
6214 else if (load_count[1 + BP_PORT(bp)] == 1)
6215 load_code = FW_MSG_CODE_DRV_LOAD_PORT;
6216 else
6217 load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006218 }
6219
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006220 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) ||
6221 (load_code == FW_MSG_CODE_DRV_LOAD_PORT))
6222 bp->port.pmf = 1;
6223 else
6224 bp->port.pmf = 0;
6225 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
6226
6227 /* if we can't use MSI-X we only need one fp,
6228 * so try to enable MSI-X with the requested number of fp's
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006229 * and fallback to inta with one fp
6230 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006231 if (use_inta) {
6232 bp->num_queues = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006233
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006234 } else {
6235 if ((use_multi > 1) && (use_multi <= BP_MAX_QUEUES(bp)))
6236 /* user requested number */
6237 bp->num_queues = use_multi;
6238
6239 else if (use_multi)
6240 bp->num_queues = min_t(u32, num_online_cpus(),
6241 BP_MAX_QUEUES(bp));
6242 else
6243 bp->num_queues = 1;
6244
6245 if (bnx2x_enable_msix(bp)) {
6246 /* failed to enable MSI-X */
6247 bp->num_queues = 1;
6248 if (use_multi)
6249 BNX2X_ERR("Multi requested but failed"
6250 " to enable MSI-X\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006251 }
6252 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006253 DP(NETIF_MSG_IFUP,
6254 "set number of queues to %d\n", bp->num_queues);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006255
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006256 if (bnx2x_alloc_mem(bp))
6257 return -ENOMEM;
6258
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006259 for_each_queue(bp, i)
6260 bnx2x_fp(bp, i, disable_tpa) =
6261 ((bp->flags & TPA_ENABLE_FLAG) == 0);
6262
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006263 /* Disable interrupt handling until HW is initialized */
6264 atomic_set(&bp->intr_sem, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006265
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006266 if (bp->flags & USING_MSIX_FLAG) {
6267 rc = bnx2x_req_msix_irqs(bp);
6268 if (rc) {
6269 pci_disable_msix(bp->pdev);
6270 goto load_error;
6271 }
6272 } else {
6273 bnx2x_ack_int(bp);
6274 rc = bnx2x_req_irq(bp);
6275 if (rc) {
6276 BNX2X_ERR("IRQ request failed, aborting\n");
6277 goto load_error;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006278 }
6279 }
6280
6281 for_each_queue(bp, i)
6282 netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
6283 bnx2x_poll, 128);
6284
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006285 /* Initialize HW */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006286 rc = bnx2x_init_hw(bp, load_code);
6287 if (rc) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006288 BNX2X_ERR("HW init failed, aborting\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08006289 goto load_error;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006290 }
6291
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006292 /* Enable interrupt handling */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006293 atomic_set(&bp->intr_sem, 0);
6294
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006295 /* Setup NIC internals and enable interrupts */
6296 bnx2x_nic_init(bp);
6297
6298 /* Send LOAD_DONE command to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006299 if (!BP_NOMCP(bp)) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08006300 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE);
6301 if (!load_code) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006302 BNX2X_ERR("MCP response failure, unloading\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006303 rc = -EBUSY;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006304 goto load_int_disable;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006305 }
6306 }
6307
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07006308 bnx2x_stats_init(bp);
6309
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006310 bp->state = BNX2X_STATE_OPENING_WAIT4_PORT;
6311
6312 /* Enable Rx interrupt handling before sending the ramrod
6313 as it's completed on Rx FP queue */
6314 for_each_queue(bp, i)
6315 napi_enable(&bnx2x_fp(bp, i, napi));
6316
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006317 rc = bnx2x_setup_leading(bp);
6318 if (rc) {
6319#ifdef BNX2X_STOP_ON_ERROR
6320 bp->panic = 1;
6321#endif
Eliezer Tamir228241e2008-02-28 11:56:57 -08006322 goto load_stop_netif;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006323 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006324
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006325 if (CHIP_IS_E1H(bp))
6326 if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) {
6327 BNX2X_ERR("!!! mf_cfg function disabled\n");
6328 bp->state = BNX2X_STATE_DISABLED;
6329 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006330
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006331 if (bp->state == BNX2X_STATE_OPEN)
6332 for_each_nondefault_queue(bp, i) {
6333 rc = bnx2x_setup_multi(bp, i);
6334 if (rc)
6335 goto load_stop_netif;
6336 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006337
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006338 if (CHIP_IS_E1(bp))
6339 bnx2x_set_mac_addr_e1(bp);
6340 else
6341 bnx2x_set_mac_addr_e1h(bp);
6342
6343 if (bp->port.pmf)
6344 bnx2x_initial_phy_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006345
6346 /* Start fast path */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006347 switch (load_mode) {
6348 case LOAD_NORMAL:
6349 /* Tx queue should be only reenabled */
6350 netif_wake_queue(bp->dev);
6351 bnx2x_set_rx_mode(bp->dev);
6352 break;
6353
6354 case LOAD_OPEN:
6355 /* IRQ is only requested from bnx2x_open */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006356 netif_start_queue(bp->dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006357 bnx2x_set_rx_mode(bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006358 if (bp->flags & USING_MSIX_FLAG)
6359 printk(KERN_INFO PFX "%s: using MSI-X\n",
6360 bp->dev->name);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006361 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006362
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006363 case LOAD_DIAG:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006364 bnx2x_set_rx_mode(bp->dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006365 bp->state = BNX2X_STATE_DIAG;
6366 break;
6367
6368 default:
6369 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006370 }
6371
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006372 if (!bp->port.pmf)
6373 bnx2x__link_status_update(bp);
6374
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006375 /* start the timer */
6376 mod_timer(&bp->timer, jiffies + bp->current_interval);
6377
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006378
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006379 return 0;
6380
Eliezer Tamir228241e2008-02-28 11:56:57 -08006381load_stop_netif:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006382 for_each_queue(bp, i)
6383 napi_disable(&bnx2x_fp(bp, i, napi));
6384
Eliezer Tamir228241e2008-02-28 11:56:57 -08006385load_int_disable:
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08006386 bnx2x_int_disable_sync(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006387
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006388 /* Release IRQs */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006389 bnx2x_free_irq(bp);
6390
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006391 /* Free SKBs, SGEs, TPA pool and driver internals */
6392 bnx2x_free_skbs(bp);
6393 for_each_queue(bp, i)
6394 bnx2x_free_rx_sge_range(bp, bp->fp + i,
6395 RX_SGE_CNT*NUM_RX_SGE_PAGES);
Eliezer Tamir228241e2008-02-28 11:56:57 -08006396load_error:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006397 bnx2x_free_mem(bp);
6398
6399 /* TBD we really need to reset the chip
6400 if we want to recover from this */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006401 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006402}
6403
6404static int bnx2x_stop_multi(struct bnx2x *bp, int index)
6405{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006406 int rc;
6407
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006408 /* halt the connection */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006409 bp->fp[index].state = BNX2X_FP_STATE_HALTING;
6410 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, 0, 0);
6411
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006412 /* Wait for completion */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006413 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006414 &(bp->fp[index].state), 1);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006415 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006416 return rc;
6417
6418 /* delete cfc entry */
6419 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1);
6420
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006421 /* Wait for completion */
6422 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index,
6423 &(bp->fp[index].state), 1);
6424 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006425}
6426
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006427static void bnx2x_stop_leading(struct bnx2x *bp)
6428{
Eliezer Tamir49d66772008-02-28 11:53:13 -08006429 u16 dsb_sp_prod_idx;
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006430 /* if the other port is handling traffic,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006431 this can take a lot of time */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006432 int cnt = 500;
6433 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006434
6435 might_sleep();
6436
6437 /* Send HALT ramrod */
6438 bp->fp[0].state = BNX2X_FP_STATE_HALTING;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006439 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, BP_CL_ID(bp), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006440
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006441 /* Wait for completion */
6442 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0,
6443 &(bp->fp[0].state), 1);
6444 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006445 return;
6446
Eliezer Tamir49d66772008-02-28 11:53:13 -08006447 dsb_sp_prod_idx = *bp->dsb_sp_prod;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006448
Eliezer Tamir228241e2008-02-28 11:56:57 -08006449 /* Send PORT_DELETE ramrod */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006450 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1);
6451
Eliezer Tamir49d66772008-02-28 11:53:13 -08006452 /* Wait for completion to arrive on default status block
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006453 we are going to reset the chip anyway
6454 so there is not much to do if this times out
6455 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006456 while (dsb_sp_prod_idx == *bp->dsb_sp_prod) {
Eliezer Tamir49d66772008-02-28 11:53:13 -08006457 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006458 if (!cnt) {
6459 DP(NETIF_MSG_IFDOWN, "timeout waiting for port del "
6460 "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n",
6461 *bp->dsb_sp_prod, dsb_sp_prod_idx);
6462#ifdef BNX2X_STOP_ON_ERROR
6463 bnx2x_panic();
6464#endif
6465 break;
6466 }
6467 cnt--;
Eliezer Tamir49d66772008-02-28 11:53:13 -08006468 }
6469 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
6470 bp->fp[0].state = BNX2X_FP_STATE_CLOSED;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006471}
6472
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006473static void bnx2x_reset_func(struct bnx2x *bp)
6474{
6475 int port = BP_PORT(bp);
6476 int func = BP_FUNC(bp);
6477 int base, i;
Eliezer Tamir49d66772008-02-28 11:53:13 -08006478
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006479 /* Configure IGU */
6480 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6481 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6482
6483 REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000);
6484
6485 /* Clear ILT */
6486 base = FUNC_ILT_BASE(func);
6487 for (i = base; i < base + ILT_PER_FUNC; i++)
6488 bnx2x_ilt_wr(bp, i, 0);
6489}
6490
6491static void bnx2x_reset_port(struct bnx2x *bp)
6492{
6493 int port = BP_PORT(bp);
6494 u32 val;
6495
6496 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6497
6498 /* Do not rcv packets to BRB */
6499 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6500 /* Do not direct rcv packets that are not for MCP to the BRB */
6501 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6502 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6503
6504 /* Configure AEU */
6505 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6506
6507 msleep(100);
6508 /* Check for BRB port occupancy */
6509 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6510 if (val)
6511 DP(NETIF_MSG_IFDOWN,
6512 "BRB1 is not empty %d blooks are occupied\n", val);
6513
6514 /* TODO: Close Doorbell port? */
6515}
6516
6517static void bnx2x_reset_common(struct bnx2x *bp)
6518{
6519 /* reset_common */
6520 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6521 0xd3ffff7f);
6522 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
6523}
6524
6525static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6526{
6527 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
6528 BP_FUNC(bp), reset_code);
6529
6530 switch (reset_code) {
6531 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
6532 bnx2x_reset_port(bp);
6533 bnx2x_reset_func(bp);
6534 bnx2x_reset_common(bp);
6535 break;
6536
6537 case FW_MSG_CODE_DRV_UNLOAD_PORT:
6538 bnx2x_reset_port(bp);
6539 bnx2x_reset_func(bp);
6540 break;
6541
6542 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
6543 bnx2x_reset_func(bp);
6544 break;
6545
6546 default:
6547 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
6548 break;
6549 }
6550}
6551
6552/* msut be called with rtnl_lock */
6553static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006554{
6555 u32 reset_code = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006556 int i, cnt;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006557
6558 bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;
6559
Eliezer Tamir228241e2008-02-28 11:56:57 -08006560 bp->rx_mode = BNX2X_RX_MODE_NONE;
6561 bnx2x_set_storm_rx_mode(bp);
6562
6563 if (netif_running(bp->dev)) {
6564 netif_tx_disable(bp->dev);
6565 bp->dev->trans_start = jiffies; /* prevent tx timeout */
6566 }
6567
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006568 del_timer_sync(&bp->timer);
6569 SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb,
6570 (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq));
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07006571 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006572
Eliezer Tamir228241e2008-02-28 11:56:57 -08006573 /* Wait until all fast path tasks complete */
6574 for_each_queue(bp, i) {
6575 struct bnx2x_fastpath *fp = &bp->fp[i];
6576
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006577#ifdef BNX2X_STOP_ON_ERROR
6578#ifdef __powerpc64__
6579 DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%lx\n",
6580#else
6581 DP(NETIF_MSG_IFDOWN, "fp->tpa_queue_used = 0x%llx\n",
6582#endif
6583 fp->tpa_queue_used);
6584#endif
6585 cnt = 1000;
6586 smp_rmb();
6587 while (bnx2x_has_work(fp)) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08006588 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006589 if (!cnt) {
6590 BNX2X_ERR("timeout waiting for queue[%d]\n",
6591 i);
6592#ifdef BNX2X_STOP_ON_ERROR
6593 bnx2x_panic();
6594 return -EBUSY;
6595#else
6596 break;
6597#endif
6598 }
6599 cnt--;
6600 smp_rmb();
6601 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08006602 }
6603
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006604 /* Wait until all slow path tasks complete */
6605 cnt = 1000;
6606 while ((bp->spq_left != MAX_SPQ_PENDING) && cnt--)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006607 msleep(1);
6608
Eliezer Tamir228241e2008-02-28 11:56:57 -08006609 for_each_queue(bp, i)
6610 napi_disable(&bnx2x_fp(bp, i, napi));
6611 /* Disable interrupts after Tx and Rx are disabled on stack level */
6612 bnx2x_int_disable_sync(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006613
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006614 /* Release IRQs */
6615 bnx2x_free_irq(bp);
6616
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006617 if (bp->flags & NO_WOL_FLAG)
6618 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006619
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006620 else if (bp->wol) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006621 u32 emac_base = BP_PORT(bp) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006622 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006623 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006624
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006625 /* The mac address is written to entries 1-4 to
6626 preserve entry 0 which is used by the PMF */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006627 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006628 EMAC_WR(EMAC_REG_EMAC_MAC_MATCH + (BP_E1HVN(bp) + 1)*8, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006629
6630 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
6631 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006632 EMAC_WR(EMAC_REG_EMAC_MAC_MATCH + (BP_E1HVN(bp) + 1)*8 + 4,
6633 val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006634
6635 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006636
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006637 } else
6638 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6639
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006640 /* Close multi and leading connections
6641 Completions for ramrods are collected in a synchronous way */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006642 for_each_nondefault_queue(bp, i)
6643 if (bnx2x_stop_multi(bp, i))
Eliezer Tamir228241e2008-02-28 11:56:57 -08006644 goto unload_error;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006645
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006646 if (CHIP_IS_E1H(bp))
6647 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + BP_PORT(bp)*8, 0);
6648
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006649 bnx2x_stop_leading(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006650#ifdef BNX2X_STOP_ON_ERROR
6651 /* If ramrod completion timed out - break here! */
6652 if (bp->panic) {
6653 BNX2X_ERR("Stop leading failed!\n");
6654 return -EBUSY;
6655 }
6656#endif
6657
Eliezer Tamir228241e2008-02-28 11:56:57 -08006658 if ((bp->state != BNX2X_STATE_CLOSING_WAIT4_UNLOAD) ||
6659 (bp->fp[0].state != BNX2X_FP_STATE_CLOSED)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006660 DP(NETIF_MSG_IFDOWN, "failed to close leading properly! "
6661 "state 0x%x fp[0].state 0x%x\n",
Eliezer Tamir228241e2008-02-28 11:56:57 -08006662 bp->state, bp->fp[0].state);
6663 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006664
Eliezer Tamir228241e2008-02-28 11:56:57 -08006665unload_error:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006666 if (!BP_NOMCP(bp))
Eliezer Tamir228241e2008-02-28 11:56:57 -08006667 reset_code = bnx2x_fw_command(bp, reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006668 else {
6669 DP(NETIF_MSG_IFDOWN, "NO MCP load counts %d, %d, %d\n",
6670 load_count[0], load_count[1], load_count[2]);
6671 load_count[0]--;
6672 load_count[1 + BP_PORT(bp)]--;
6673 DP(NETIF_MSG_IFDOWN, "NO MCP new load counts %d, %d, %d\n",
6674 load_count[0], load_count[1], load_count[2]);
6675 if (load_count[0] == 0)
6676 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
6677 else if (load_count[1 + BP_PORT(bp)] == 0)
6678 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
6679 else
6680 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
6681 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006682
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006683 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
6684 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
6685 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006686
6687 /* Reset the chip */
Eliezer Tamir228241e2008-02-28 11:56:57 -08006688 bnx2x_reset_chip(bp, reset_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006689
6690 /* Report UNLOAD_DONE to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006691 if (!BP_NOMCP(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006692 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6693
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006694 /* Free SKBs, SGEs, TPA pool and driver internals */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006695 bnx2x_free_skbs(bp);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006696 for_each_queue(bp, i)
6697 bnx2x_free_rx_sge_range(bp, bp->fp + i,
6698 RX_SGE_CNT*NUM_RX_SGE_PAGES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006699 bnx2x_free_mem(bp);
6700
6701 bp->state = BNX2X_STATE_CLOSED;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006702
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006703 netif_carrier_off(bp->dev);
6704
6705 return 0;
6706}
6707
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006708static void bnx2x_reset_task(struct work_struct *work)
6709{
6710 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task);
6711
6712#ifdef BNX2X_STOP_ON_ERROR
6713 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
6714 " so reset not done to allow debug dump,\n"
6715 KERN_ERR " you will need to reboot when done\n");
6716 return;
6717#endif
6718
6719 rtnl_lock();
6720
6721 if (!netif_running(bp->dev))
6722 goto reset_task_exit;
6723
6724 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
6725 bnx2x_nic_load(bp, LOAD_NORMAL);
6726
6727reset_task_exit:
6728 rtnl_unlock();
6729}
6730
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006731/* end of nic load/unload */
6732
6733/* ethtool_ops */
6734
6735/*
6736 * Init service functions
6737 */
6738
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006739static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006740{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006741 u32 val;
6742
6743 /* Check if there is any driver already loaded */
6744 val = REG_RD(bp, MISC_REG_UNPREPARED);
6745 if (val == 0x1) {
6746 /* Check if it is the UNDI driver
6747 * UNDI driver initializes CID offset for normal bell to 0x7
6748 */
6749 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
6750 if (val == 0x7) {
6751 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6752 /* save our func and fw_seq */
6753 int func = BP_FUNC(bp);
6754 u16 fw_seq = bp->fw_seq;
6755
6756 BNX2X_DEV_INFO("UNDI is active! reset device\n");
6757
6758 /* try unload UNDI on port 0 */
6759 bp->func = 0;
6760 bp->fw_seq = (SHMEM_RD(bp,
6761 func_mb[bp->func].drv_mb_header) &
6762 DRV_MSG_SEQ_NUMBER_MASK);
6763
6764 reset_code = bnx2x_fw_command(bp, reset_code);
6765 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6766
6767 /* if UNDI is loaded on the other port */
6768 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
6769
6770 bp->func = 1;
6771 bp->fw_seq = (SHMEM_RD(bp,
6772 func_mb[bp->func].drv_mb_header) &
6773 DRV_MSG_SEQ_NUMBER_MASK);
6774
6775 bnx2x_fw_command(bp,
6776 DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS);
6777 bnx2x_fw_command(bp,
6778 DRV_MSG_CODE_UNLOAD_DONE);
6779
6780 /* restore our func and fw_seq */
6781 bp->func = func;
6782 bp->fw_seq = fw_seq;
6783 }
6784
6785 /* reset device */
6786 REG_WR(bp,
6787 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6788 0xd3ffff7f);
6789 REG_WR(bp,
6790 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
6791 0x1403);
6792 }
6793 }
6794}
6795
6796static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
6797{
6798 u32 val, val2, val3, val4, id;
6799
6800 /* Get the chip revision id and number. */
6801 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
6802 val = REG_RD(bp, MISC_REG_CHIP_NUM);
6803 id = ((val & 0xffff) << 16);
6804 val = REG_RD(bp, MISC_REG_CHIP_REV);
6805 id |= ((val & 0xf) << 12);
6806 val = REG_RD(bp, MISC_REG_CHIP_METAL);
6807 id |= ((val & 0xff) << 4);
6808 REG_RD(bp, MISC_REG_BOND_ID);
6809 id |= (val & 0xf);
6810 bp->common.chip_id = id;
6811 bp->link_params.chip_id = bp->common.chip_id;
6812 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
6813
6814 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
6815 bp->common.flash_size = (NVRAM_1MB_SIZE <<
6816 (val & MCPR_NVM_CFG4_FLASH_SIZE));
6817 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
6818 bp->common.flash_size, bp->common.flash_size);
6819
6820 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
6821 bp->link_params.shmem_base = bp->common.shmem_base;
6822 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
6823
6824 if (!bp->common.shmem_base ||
6825 (bp->common.shmem_base < 0xA0000) ||
6826 (bp->common.shmem_base >= 0xC0000)) {
6827 BNX2X_DEV_INFO("MCP not active\n");
6828 bp->flags |= NO_MCP_FLAG;
6829 return;
6830 }
6831
6832 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
6833 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6834 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6835 BNX2X_ERR("BAD MCP validity signature\n");
6836
6837 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
6838 bp->common.board = SHMEM_RD(bp, dev_info.shared_hw_config.board);
6839
6840 BNX2X_DEV_INFO("hw_config 0x%08x board 0x%08x\n",
6841 bp->common.hw_config, bp->common.board);
6842
6843 bp->link_params.hw_led_mode = ((bp->common.hw_config &
6844 SHARED_HW_CFG_LED_MODE_MASK) >>
6845 SHARED_HW_CFG_LED_MODE_SHIFT);
6846
6847 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
6848 bp->common.bc_ver = val;
6849 BNX2X_DEV_INFO("bc_ver %X\n", val);
6850 if (val < BNX2X_BC_VER) {
6851 /* for now only warn
6852 * later we might need to enforce this */
6853 BNX2X_ERR("This driver needs bc_ver %X but found %X,"
6854 " please upgrade BC\n", BNX2X_BC_VER, val);
6855 }
6856 BNX2X_DEV_INFO("%sWoL Capable\n",
6857 (bp->flags & NO_WOL_FLAG)? "Not " : "");
6858
6859 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
6860 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
6861 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
6862 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
6863
6864 printk(KERN_INFO PFX "part number %X-%X-%X-%X\n",
6865 val, val2, val3, val4);
6866}
6867
6868static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
6869 u32 switch_cfg)
6870{
6871 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006872 u32 ext_phy_type;
6873
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006874 switch (switch_cfg) {
6875 case SWITCH_CFG_1G:
6876 BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg);
6877
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07006878 ext_phy_type =
6879 SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006880 switch (ext_phy_type) {
6881 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
6882 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
6883 ext_phy_type);
6884
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006885 bp->port.supported |= (SUPPORTED_10baseT_Half |
6886 SUPPORTED_10baseT_Full |
6887 SUPPORTED_100baseT_Half |
6888 SUPPORTED_100baseT_Full |
6889 SUPPORTED_1000baseT_Full |
6890 SUPPORTED_2500baseX_Full |
6891 SUPPORTED_TP |
6892 SUPPORTED_FIBRE |
6893 SUPPORTED_Autoneg |
6894 SUPPORTED_Pause |
6895 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006896 break;
6897
6898 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
6899 BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n",
6900 ext_phy_type);
6901
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006902 bp->port.supported |= (SUPPORTED_10baseT_Half |
6903 SUPPORTED_10baseT_Full |
6904 SUPPORTED_100baseT_Half |
6905 SUPPORTED_100baseT_Full |
6906 SUPPORTED_1000baseT_Full |
6907 SUPPORTED_TP |
6908 SUPPORTED_FIBRE |
6909 SUPPORTED_Autoneg |
6910 SUPPORTED_Pause |
6911 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006912 break;
6913
6914 default:
6915 BNX2X_ERR("NVRAM config error. "
6916 "BAD SerDes ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07006917 bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006918 return;
6919 }
6920
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006921 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
6922 port*0x10);
6923 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006924 break;
6925
6926 case SWITCH_CFG_10G:
6927 BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg);
6928
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07006929 ext_phy_type =
6930 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006931 switch (ext_phy_type) {
6932 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
6933 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
6934 ext_phy_type);
6935
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006936 bp->port.supported |= (SUPPORTED_10baseT_Half |
6937 SUPPORTED_10baseT_Full |
6938 SUPPORTED_100baseT_Half |
6939 SUPPORTED_100baseT_Full |
6940 SUPPORTED_1000baseT_Full |
6941 SUPPORTED_2500baseX_Full |
6942 SUPPORTED_10000baseT_Full |
6943 SUPPORTED_TP |
6944 SUPPORTED_FIBRE |
6945 SUPPORTED_Autoneg |
6946 SUPPORTED_Pause |
6947 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006948 break;
6949
6950 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
Eliezer Tamirf1410642008-02-28 11:51:50 -08006951 BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006952 ext_phy_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006953
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006954 bp->port.supported |= (SUPPORTED_10000baseT_Full |
6955 SUPPORTED_FIBRE |
6956 SUPPORTED_Pause |
6957 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006958 break;
6959
Eliezer Tamirf1410642008-02-28 11:51:50 -08006960 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
6961 BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n",
6962 ext_phy_type);
6963
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006964 bp->port.supported |= (SUPPORTED_10000baseT_Full |
6965 SUPPORTED_1000baseT_Full |
6966 SUPPORTED_FIBRE |
6967 SUPPORTED_Pause |
6968 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006969 break;
6970
6971 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
6972 BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n",
6973 ext_phy_type);
6974
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006975 bp->port.supported |= (SUPPORTED_10000baseT_Full |
6976 SUPPORTED_1000baseT_Full |
6977 SUPPORTED_FIBRE |
6978 SUPPORTED_Autoneg |
6979 SUPPORTED_Pause |
6980 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08006981 break;
6982
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07006983 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
6984 BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n",
6985 ext_phy_type);
6986
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006987 bp->port.supported |= (SUPPORTED_10000baseT_Full |
6988 SUPPORTED_2500baseX_Full |
6989 SUPPORTED_1000baseT_Full |
6990 SUPPORTED_FIBRE |
6991 SUPPORTED_Autoneg |
6992 SUPPORTED_Pause |
6993 SUPPORTED_Asym_Pause);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07006994 break;
6995
Eliezer Tamirf1410642008-02-28 11:51:50 -08006996 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
6997 BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n",
6998 ext_phy_type);
6999
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007000 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7001 SUPPORTED_TP |
7002 SUPPORTED_Autoneg |
7003 SUPPORTED_Pause |
7004 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007005 break;
7006
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007007 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7008 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7009 bp->link_params.ext_phy_config);
7010 break;
7011
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007012 default:
7013 BNX2X_ERR("NVRAM config error. "
7014 "BAD XGXS ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007015 bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007016 return;
7017 }
7018
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007019 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
7020 port*0x18);
7021 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007022
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007023 break;
7024
7025 default:
7026 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007027 bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007028 return;
7029 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007030 bp->link_params.phy_addr = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007031
7032 /* mask what we support according to speed_cap_mask */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007033 if (!(bp->link_params.speed_cap_mask &
7034 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007035 bp->port.supported &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007036
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007037 if (!(bp->link_params.speed_cap_mask &
7038 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007039 bp->port.supported &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007040
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007041 if (!(bp->link_params.speed_cap_mask &
7042 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007043 bp->port.supported &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007044
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007045 if (!(bp->link_params.speed_cap_mask &
7046 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007047 bp->port.supported &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007048
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007049 if (!(bp->link_params.speed_cap_mask &
7050 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007051 bp->port.supported &= ~(SUPPORTED_1000baseT_Half |
7052 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007053
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007054 if (!(bp->link_params.speed_cap_mask &
7055 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007056 bp->port.supported &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007057
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007058 if (!(bp->link_params.speed_cap_mask &
7059 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007060 bp->port.supported &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007061
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007062 BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007063}
7064
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007065static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007066{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007067 bp->link_params.req_duplex = DUPLEX_FULL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007068
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007069 switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007070 case PORT_FEATURE_LINK_SPEED_AUTO:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007071 if (bp->port.supported & SUPPORTED_Autoneg) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007072 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007073 bp->port.advertising = bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007074 } else {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007075 u32 ext_phy_type =
7076 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7077
7078 if ((ext_phy_type ==
7079 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
7080 (ext_phy_type ==
7081 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007082 /* force 10G, no AN */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007083 bp->link_params.req_line_speed = SPEED_10000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007084 bp->port.advertising =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007085 (ADVERTISED_10000baseT_Full |
7086 ADVERTISED_FIBRE);
7087 break;
7088 }
7089 BNX2X_ERR("NVRAM config error. "
7090 "Invalid link_config 0x%x"
7091 " Autoneg not supported\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007092 bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007093 return;
7094 }
7095 break;
7096
7097 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007098 if (bp->port.supported & SUPPORTED_10baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007099 bp->link_params.req_line_speed = SPEED_10;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007100 bp->port.advertising = (ADVERTISED_10baseT_Full |
7101 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007102 } else {
7103 BNX2X_ERR("NVRAM config error. "
7104 "Invalid link_config 0x%x"
7105 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007106 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007107 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007108 return;
7109 }
7110 break;
7111
7112 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007113 if (bp->port.supported & SUPPORTED_10baseT_Half) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007114 bp->link_params.req_line_speed = SPEED_10;
7115 bp->link_params.req_duplex = DUPLEX_HALF;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007116 bp->port.advertising = (ADVERTISED_10baseT_Half |
7117 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007118 } else {
7119 BNX2X_ERR("NVRAM config error. "
7120 "Invalid link_config 0x%x"
7121 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007122 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007123 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007124 return;
7125 }
7126 break;
7127
7128 case PORT_FEATURE_LINK_SPEED_100M_FULL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007129 if (bp->port.supported & SUPPORTED_100baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007130 bp->link_params.req_line_speed = SPEED_100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007131 bp->port.advertising = (ADVERTISED_100baseT_Full |
7132 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007133 } else {
7134 BNX2X_ERR("NVRAM config error. "
7135 "Invalid link_config 0x%x"
7136 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007137 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007138 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007139 return;
7140 }
7141 break;
7142
7143 case PORT_FEATURE_LINK_SPEED_100M_HALF:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007144 if (bp->port.supported & SUPPORTED_100baseT_Half) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007145 bp->link_params.req_line_speed = SPEED_100;
7146 bp->link_params.req_duplex = DUPLEX_HALF;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007147 bp->port.advertising = (ADVERTISED_100baseT_Half |
7148 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007149 } else {
7150 BNX2X_ERR("NVRAM config error. "
7151 "Invalid link_config 0x%x"
7152 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007153 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007154 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007155 return;
7156 }
7157 break;
7158
7159 case PORT_FEATURE_LINK_SPEED_1G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007160 if (bp->port.supported & SUPPORTED_1000baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007161 bp->link_params.req_line_speed = SPEED_1000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007162 bp->port.advertising = (ADVERTISED_1000baseT_Full |
7163 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007164 } else {
7165 BNX2X_ERR("NVRAM config error. "
7166 "Invalid link_config 0x%x"
7167 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007168 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007169 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007170 return;
7171 }
7172 break;
7173
7174 case PORT_FEATURE_LINK_SPEED_2_5G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007175 if (bp->port.supported & SUPPORTED_2500baseX_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007176 bp->link_params.req_line_speed = SPEED_2500;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007177 bp->port.advertising = (ADVERTISED_2500baseX_Full |
7178 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007179 } else {
7180 BNX2X_ERR("NVRAM config error. "
7181 "Invalid link_config 0x%x"
7182 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007183 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007184 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007185 return;
7186 }
7187 break;
7188
7189 case PORT_FEATURE_LINK_SPEED_10G_CX4:
7190 case PORT_FEATURE_LINK_SPEED_10G_KX4:
7191 case PORT_FEATURE_LINK_SPEED_10G_KR:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007192 if (bp->port.supported & SUPPORTED_10000baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007193 bp->link_params.req_line_speed = SPEED_10000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007194 bp->port.advertising = (ADVERTISED_10000baseT_Full |
7195 ADVERTISED_FIBRE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007196 } else {
7197 BNX2X_ERR("NVRAM config error. "
7198 "Invalid link_config 0x%x"
7199 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007200 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007201 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007202 return;
7203 }
7204 break;
7205
7206 default:
7207 BNX2X_ERR("NVRAM config error. "
7208 "BAD link speed link_config 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007209 bp->port.link_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007210 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007211 bp->port.advertising = bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007212 break;
7213 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007214
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007215 bp->link_params.req_flow_ctrl = (bp->port.link_config &
7216 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007217 if ((bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
Randy Dunlap4ab84d42008-08-07 20:33:19 -07007218 !(bp->port.supported & SUPPORTED_Autoneg))
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007219 bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007220
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007221 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl 0x%x"
Eliezer Tamirf1410642008-02-28 11:51:50 -08007222 " advertising 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007223 bp->link_params.req_line_speed,
7224 bp->link_params.req_duplex,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007225 bp->link_params.req_flow_ctrl, bp->port.advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007226}
7227
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007228static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007229{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007230 int port = BP_PORT(bp);
7231 u32 val, val2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007232
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007233 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007234 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007235
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007236 bp->link_params.serdes_config =
Eliezer Tamirf1410642008-02-28 11:51:50 -08007237 SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007238 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007239 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007240 bp->link_params.ext_phy_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007241 SHMEM_RD(bp,
7242 dev_info.port_hw_config[port].external_phy_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007243 bp->link_params.speed_cap_mask =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007244 SHMEM_RD(bp,
7245 dev_info.port_hw_config[port].speed_capability_mask);
7246
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007247 bp->port.link_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007248 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
7249
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007250 BNX2X_DEV_INFO("serdes_config 0x%08x lane_config 0x%08x\n"
7251 KERN_INFO " ext_phy_config 0x%08x speed_cap_mask 0x%08x"
7252 " link_config 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007253 bp->link_params.serdes_config,
7254 bp->link_params.lane_config,
7255 bp->link_params.ext_phy_config,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007256 bp->link_params.speed_cap_mask, bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007257
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007258 bp->link_params.switch_cfg = (bp->port.link_config &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007259 PORT_FEATURE_CONNECTED_SWITCH_MASK);
7260 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007261
7262 bnx2x_link_settings_requested(bp);
7263
7264 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
7265 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
7266 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7267 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7268 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7269 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7270 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7271 bp->dev->dev_addr[5] = (u8)(val & 0xff);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007272 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
7273 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007274}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007275
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007276static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
7277{
7278 int func = BP_FUNC(bp);
7279 u32 val, val2;
7280 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007281
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007282 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007283
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007284 bp->e1hov = 0;
7285 bp->e1hmf = 0;
7286 if (CHIP_IS_E1H(bp)) {
7287 bp->mf_config =
7288 SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007289
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007290 val =
7291 (SHMEM_RD(bp, mf_cfg.func_mf_config[func].e1hov_tag) &
7292 FUNC_MF_CFG_E1HOV_TAG_MASK);
7293 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007294
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007295 bp->e1hov = val;
7296 bp->e1hmf = 1;
7297 BNX2X_DEV_INFO("MF mode E1HOV for func %d is %d "
7298 "(0x%04x)\n",
7299 func, bp->e1hov, bp->e1hov);
7300 } else {
7301 BNX2X_DEV_INFO("Single function mode\n");
7302 if (BP_E1HVN(bp)) {
7303 BNX2X_ERR("!!! No valid E1HOV for func %d,"
7304 " aborting\n", func);
7305 rc = -EPERM;
7306 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007307 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007308 }
7309
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007310 if (!BP_NOMCP(bp)) {
7311 bnx2x_get_port_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007312
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007313 bp->fw_seq = (SHMEM_RD(bp, func_mb[func].drv_mb_header) &
7314 DRV_MSG_SEQ_NUMBER_MASK);
7315 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
7316 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007317
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007318 if (IS_E1HMF(bp)) {
7319 val2 = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_upper);
7320 val = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_lower);
7321 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
7322 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) {
7323 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7324 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7325 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7326 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7327 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7328 bp->dev->dev_addr[5] = (u8)(val & 0xff);
7329 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr,
7330 ETH_ALEN);
7331 memcpy(bp->dev->perm_addr, bp->dev->dev_addr,
7332 ETH_ALEN);
7333 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007334
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007335 return rc;
7336 }
7337
7338 if (BP_NOMCP(bp)) {
7339 /* only supposed to happen on emulation/FPGA */
7340 BNX2X_ERR("warning rendom MAC workaround active\n");
7341 random_ether_addr(bp->dev->dev_addr);
7342 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7343 }
7344
7345 return rc;
7346}
7347
7348static int __devinit bnx2x_init_bp(struct bnx2x *bp)
7349{
7350 int func = BP_FUNC(bp);
7351 int rc;
7352
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007353 mutex_init(&bp->port.phy_mutex);
7354
7355 INIT_WORK(&bp->sp_task, bnx2x_sp_task);
7356 INIT_WORK(&bp->reset_task, bnx2x_reset_task);
7357
7358 rc = bnx2x_get_hwinfo(bp);
7359
7360 /* need to reset chip if undi was active */
7361 if (!BP_NOMCP(bp))
7362 bnx2x_undi_unload(bp);
7363
7364 if (CHIP_REV_IS_FPGA(bp))
7365 printk(KERN_ERR PFX "FPGA detected\n");
7366
7367 if (BP_NOMCP(bp) && (func == 0))
7368 printk(KERN_ERR PFX
7369 "MCP disabled, must load devices in order!\n");
7370
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07007371 /* Set TPA flags */
7372 if (disable_tpa) {
7373 bp->flags &= ~TPA_ENABLE_FLAG;
7374 bp->dev->features &= ~NETIF_F_LRO;
7375 } else {
7376 bp->flags |= TPA_ENABLE_FLAG;
7377 bp->dev->features |= NETIF_F_LRO;
7378 }
7379
7380
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007381 bp->tx_ring_size = MAX_TX_AVAIL;
7382 bp->rx_ring_size = MAX_RX_AVAIL;
7383
7384 bp->rx_csum = 1;
7385 bp->rx_offset = 0;
7386
7387 bp->tx_ticks = 50;
7388 bp->rx_ticks = 25;
7389
7390 bp->stats_ticks = 1000000 & 0xffff00;
7391
7392 bp->timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
7393 bp->current_interval = (poll ? poll : bp->timer_interval);
7394
7395 init_timer(&bp->timer);
7396 bp->timer.expires = jiffies + bp->current_interval;
7397 bp->timer.data = (unsigned long) bp;
7398 bp->timer.function = bnx2x_timer;
7399
7400 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007401}
7402
7403/*
7404 * ethtool service functions
7405 */
7406
7407/* All ethtool functions called with rtnl_lock */
7408
7409static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7410{
7411 struct bnx2x *bp = netdev_priv(dev);
7412
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007413 cmd->supported = bp->port.supported;
7414 cmd->advertising = bp->port.advertising;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007415
7416 if (netif_carrier_ok(dev)) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007417 cmd->speed = bp->link_vars.line_speed;
7418 cmd->duplex = bp->link_vars.duplex;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007419 } else {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007420 cmd->speed = bp->link_params.req_line_speed;
7421 cmd->duplex = bp->link_params.req_duplex;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007422 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007423 if (IS_E1HMF(bp)) {
7424 u16 vn_max_rate;
7425
7426 vn_max_rate = ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >>
7427 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
7428 if (vn_max_rate < cmd->speed)
7429 cmd->speed = vn_max_rate;
7430 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007431
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007432 if (bp->link_params.switch_cfg == SWITCH_CFG_10G) {
7433 u32 ext_phy_type =
7434 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007435
7436 switch (ext_phy_type) {
7437 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7438 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7439 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7440 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007441 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007442 cmd->port = PORT_FIBRE;
7443 break;
7444
7445 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7446 cmd->port = PORT_TP;
7447 break;
7448
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007449 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7450 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7451 bp->link_params.ext_phy_config);
7452 break;
7453
Eliezer Tamirf1410642008-02-28 11:51:50 -08007454 default:
7455 DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007456 bp->link_params.ext_phy_config);
7457 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007458 }
7459 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007460 cmd->port = PORT_TP;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007461
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007462 cmd->phy_address = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007463 cmd->transceiver = XCVR_INTERNAL;
7464
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007465 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007466 cmd->autoneg = AUTONEG_ENABLE;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007467 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007468 cmd->autoneg = AUTONEG_DISABLE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007469
7470 cmd->maxtxpkt = 0;
7471 cmd->maxrxpkt = 0;
7472
7473 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7474 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7475 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7476 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7477 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7478 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7479 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7480
7481 return 0;
7482}
7483
7484static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7485{
7486 struct bnx2x *bp = netdev_priv(dev);
7487 u32 advertising;
7488
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007489 if (IS_E1HMF(bp))
7490 return 0;
7491
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007492 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7493 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7494 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7495 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7496 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7497 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7498 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7499
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007500 if (cmd->autoneg == AUTONEG_ENABLE) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007501 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
7502 DP(NETIF_MSG_LINK, "Autoneg not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007503 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007504 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007505
7506 /* advertise the requested speed and duplex if supported */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007507 cmd->advertising &= bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007508
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007509 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7510 bp->link_params.req_duplex = DUPLEX_FULL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007511 bp->port.advertising |= (ADVERTISED_Autoneg |
7512 cmd->advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007513
7514 } else { /* forced speed */
7515 /* advertise the requested speed and duplex if supported */
7516 switch (cmd->speed) {
7517 case SPEED_10:
7518 if (cmd->duplex == DUPLEX_FULL) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007519 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007520 SUPPORTED_10baseT_Full)) {
7521 DP(NETIF_MSG_LINK,
7522 "10M full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007523 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007524 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007525
7526 advertising = (ADVERTISED_10baseT_Full |
7527 ADVERTISED_TP);
7528 } else {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007529 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007530 SUPPORTED_10baseT_Half)) {
7531 DP(NETIF_MSG_LINK,
7532 "10M half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007533 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007534 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007535
7536 advertising = (ADVERTISED_10baseT_Half |
7537 ADVERTISED_TP);
7538 }
7539 break;
7540
7541 case SPEED_100:
7542 if (cmd->duplex == DUPLEX_FULL) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007543 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007544 SUPPORTED_100baseT_Full)) {
7545 DP(NETIF_MSG_LINK,
7546 "100M full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007547 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007548 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007549
7550 advertising = (ADVERTISED_100baseT_Full |
7551 ADVERTISED_TP);
7552 } else {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007553 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007554 SUPPORTED_100baseT_Half)) {
7555 DP(NETIF_MSG_LINK,
7556 "100M half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007557 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007558 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007559
7560 advertising = (ADVERTISED_100baseT_Half |
7561 ADVERTISED_TP);
7562 }
7563 break;
7564
7565 case SPEED_1000:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007566 if (cmd->duplex != DUPLEX_FULL) {
7567 DP(NETIF_MSG_LINK, "1G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007568 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007569 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007570
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007571 if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007572 DP(NETIF_MSG_LINK, "1G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007573 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007574 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007575
7576 advertising = (ADVERTISED_1000baseT_Full |
7577 ADVERTISED_TP);
7578 break;
7579
7580 case SPEED_2500:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007581 if (cmd->duplex != DUPLEX_FULL) {
7582 DP(NETIF_MSG_LINK,
7583 "2.5G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007584 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007585 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007586
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007587 if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007588 DP(NETIF_MSG_LINK,
7589 "2.5G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007590 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007591 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007592
Eliezer Tamirf1410642008-02-28 11:51:50 -08007593 advertising = (ADVERTISED_2500baseX_Full |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007594 ADVERTISED_TP);
7595 break;
7596
7597 case SPEED_10000:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007598 if (cmd->duplex != DUPLEX_FULL) {
7599 DP(NETIF_MSG_LINK, "10G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007600 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007601 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007602
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007603 if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007604 DP(NETIF_MSG_LINK, "10G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007605 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007606 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007607
7608 advertising = (ADVERTISED_10000baseT_Full |
7609 ADVERTISED_FIBRE);
7610 break;
7611
7612 default:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007613 DP(NETIF_MSG_LINK, "Unsupported speed\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007614 return -EINVAL;
7615 }
7616
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007617 bp->link_params.req_line_speed = cmd->speed;
7618 bp->link_params.req_duplex = cmd->duplex;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007619 bp->port.advertising = advertising;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007620 }
7621
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007622 DP(NETIF_MSG_LINK, "req_line_speed %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007623 DP_LEVEL " req_duplex %d advertising 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007624 bp->link_params.req_line_speed, bp->link_params.req_duplex,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007625 bp->port.advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007626
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007627 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07007628 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007629 bnx2x_link_set(bp);
7630 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007631
7632 return 0;
7633}
7634
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007635#define PHY_FW_VER_LEN 10
7636
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007637static void bnx2x_get_drvinfo(struct net_device *dev,
7638 struct ethtool_drvinfo *info)
7639{
7640 struct bnx2x *bp = netdev_priv(dev);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007641 char phy_fw_ver[PHY_FW_VER_LEN];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007642
7643 strcpy(info->driver, DRV_MODULE_NAME);
7644 strcpy(info->version, DRV_MODULE_VERSION);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007645
7646 phy_fw_ver[0] = '\0';
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007647 if (bp->port.pmf) {
7648 bnx2x_phy_hw_lock(bp);
7649 bnx2x_get_ext_phy_fw_version(&bp->link_params,
7650 (bp->state != BNX2X_STATE_CLOSED),
7651 phy_fw_ver, PHY_FW_VER_LEN);
7652 bnx2x_phy_hw_unlock(bp);
7653 }
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007654
7655 snprintf(info->fw_version, 32, "%d.%d.%d:%d BC:%x%s%s",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007656 BCM_5710_FW_MAJOR_VERSION, BCM_5710_FW_MINOR_VERSION,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007657 BCM_5710_FW_REVISION_VERSION,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007658 BCM_5710_FW_COMPILE_FLAGS, bp->common.bc_ver,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007659 ((phy_fw_ver[0] != '\0')? " PHY:":""), phy_fw_ver);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007660 strcpy(info->bus_info, pci_name(bp->pdev));
7661 info->n_stats = BNX2X_NUM_STATS;
7662 info->testinfo_len = BNX2X_NUM_TESTS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007663 info->eedump_len = bp->common.flash_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007664 info->regdump_len = 0;
7665}
7666
7667static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7668{
7669 struct bnx2x *bp = netdev_priv(dev);
7670
7671 if (bp->flags & NO_WOL_FLAG) {
7672 wol->supported = 0;
7673 wol->wolopts = 0;
7674 } else {
7675 wol->supported = WAKE_MAGIC;
7676 if (bp->wol)
7677 wol->wolopts = WAKE_MAGIC;
7678 else
7679 wol->wolopts = 0;
7680 }
7681 memset(&wol->sopass, 0, sizeof(wol->sopass));
7682}
7683
7684static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7685{
7686 struct bnx2x *bp = netdev_priv(dev);
7687
7688 if (wol->wolopts & ~WAKE_MAGIC)
7689 return -EINVAL;
7690
7691 if (wol->wolopts & WAKE_MAGIC) {
7692 if (bp->flags & NO_WOL_FLAG)
7693 return -EINVAL;
7694
7695 bp->wol = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007696 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007697 bp->wol = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007698
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007699 return 0;
7700}
7701
7702static u32 bnx2x_get_msglevel(struct net_device *dev)
7703{
7704 struct bnx2x *bp = netdev_priv(dev);
7705
7706 return bp->msglevel;
7707}
7708
7709static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
7710{
7711 struct bnx2x *bp = netdev_priv(dev);
7712
7713 if (capable(CAP_NET_ADMIN))
7714 bp->msglevel = level;
7715}
7716
7717static int bnx2x_nway_reset(struct net_device *dev)
7718{
7719 struct bnx2x *bp = netdev_priv(dev);
7720
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007721 if (!bp->port.pmf)
7722 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007723
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007724 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07007725 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007726 bnx2x_link_set(bp);
7727 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007728
7729 return 0;
7730}
7731
7732static int bnx2x_get_eeprom_len(struct net_device *dev)
7733{
7734 struct bnx2x *bp = netdev_priv(dev);
7735
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007736 return bp->common.flash_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007737}
7738
7739static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
7740{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007741 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007742 int count, i;
7743 u32 val = 0;
7744
7745 /* adjust timeout for emulation/FPGA */
7746 count = NVRAM_TIMEOUT_COUNT;
7747 if (CHIP_REV_IS_SLOW(bp))
7748 count *= 100;
7749
7750 /* request access to nvram interface */
7751 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7752 (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
7753
7754 for (i = 0; i < count*10; i++) {
7755 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7756 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
7757 break;
7758
7759 udelay(5);
7760 }
7761
7762 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007763 DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007764 return -EBUSY;
7765 }
7766
7767 return 0;
7768}
7769
7770static int bnx2x_release_nvram_lock(struct bnx2x *bp)
7771{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007772 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007773 int count, i;
7774 u32 val = 0;
7775
7776 /* adjust timeout for emulation/FPGA */
7777 count = NVRAM_TIMEOUT_COUNT;
7778 if (CHIP_REV_IS_SLOW(bp))
7779 count *= 100;
7780
7781 /* relinquish nvram interface */
7782 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7783 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
7784
7785 for (i = 0; i < count*10; i++) {
7786 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7787 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
7788 break;
7789
7790 udelay(5);
7791 }
7792
7793 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007794 DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007795 return -EBUSY;
7796 }
7797
7798 return 0;
7799}
7800
7801static void bnx2x_enable_nvram_access(struct bnx2x *bp)
7802{
7803 u32 val;
7804
7805 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7806
7807 /* enable both bits, even on read */
7808 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7809 (val | MCPR_NVM_ACCESS_ENABLE_EN |
7810 MCPR_NVM_ACCESS_ENABLE_WR_EN));
7811}
7812
7813static void bnx2x_disable_nvram_access(struct bnx2x *bp)
7814{
7815 u32 val;
7816
7817 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7818
7819 /* disable both bits, even after read */
7820 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7821 (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
7822 MCPR_NVM_ACCESS_ENABLE_WR_EN)));
7823}
7824
7825static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val,
7826 u32 cmd_flags)
7827{
Eliezer Tamirf1410642008-02-28 11:51:50 -08007828 int count, i, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007829 u32 val;
7830
7831 /* build the command word */
7832 cmd_flags |= MCPR_NVM_COMMAND_DOIT;
7833
7834 /* need to clear DONE bit separately */
7835 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
7836
7837 /* address of the NVRAM to read from */
7838 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
7839 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
7840
7841 /* issue a read command */
7842 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
7843
7844 /* adjust timeout for emulation/FPGA */
7845 count = NVRAM_TIMEOUT_COUNT;
7846 if (CHIP_REV_IS_SLOW(bp))
7847 count *= 100;
7848
7849 /* wait for completion */
7850 *ret_val = 0;
7851 rc = -EBUSY;
7852 for (i = 0; i < count; i++) {
7853 udelay(5);
7854 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
7855
7856 if (val & MCPR_NVM_COMMAND_DONE) {
7857 val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007858 /* we read nvram data in cpu order
7859 * but ethtool sees it as an array of bytes
7860 * converting to big-endian will do the work */
7861 val = cpu_to_be32(val);
7862 *ret_val = val;
7863 rc = 0;
7864 break;
7865 }
7866 }
7867
7868 return rc;
7869}
7870
7871static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
7872 int buf_size)
7873{
7874 int rc;
7875 u32 cmd_flags;
7876 u32 val;
7877
7878 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007879 DP(BNX2X_MSG_NVM,
Eliezer Tamirc14423f2008-02-28 11:49:42 -08007880 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007881 offset, buf_size);
7882 return -EINVAL;
7883 }
7884
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007885 if (offset + buf_size > bp->common.flash_size) {
7886 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007887 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007888 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007889 return -EINVAL;
7890 }
7891
7892 /* request access to nvram interface */
7893 rc = bnx2x_acquire_nvram_lock(bp);
7894 if (rc)
7895 return rc;
7896
7897 /* enable access to nvram interface */
7898 bnx2x_enable_nvram_access(bp);
7899
7900 /* read the first word(s) */
7901 cmd_flags = MCPR_NVM_COMMAND_FIRST;
7902 while ((buf_size > sizeof(u32)) && (rc == 0)) {
7903 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
7904 memcpy(ret_buf, &val, 4);
7905
7906 /* advance to the next dword */
7907 offset += sizeof(u32);
7908 ret_buf += sizeof(u32);
7909 buf_size -= sizeof(u32);
7910 cmd_flags = 0;
7911 }
7912
7913 if (rc == 0) {
7914 cmd_flags |= MCPR_NVM_COMMAND_LAST;
7915 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
7916 memcpy(ret_buf, &val, 4);
7917 }
7918
7919 /* disable access to nvram interface */
7920 bnx2x_disable_nvram_access(bp);
7921 bnx2x_release_nvram_lock(bp);
7922
7923 return rc;
7924}
7925
7926static int bnx2x_get_eeprom(struct net_device *dev,
7927 struct ethtool_eeprom *eeprom, u8 *eebuf)
7928{
7929 struct bnx2x *bp = netdev_priv(dev);
7930 int rc;
7931
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007932 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007933 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
7934 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
7935 eeprom->len, eeprom->len);
7936
7937 /* parameters already validated in ethtool_get_eeprom */
7938
7939 rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
7940
7941 return rc;
7942}
7943
7944static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
7945 u32 cmd_flags)
7946{
Eliezer Tamirf1410642008-02-28 11:51:50 -08007947 int count, i, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007948
7949 /* build the command word */
7950 cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
7951
7952 /* need to clear DONE bit separately */
7953 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
7954
7955 /* write the data */
7956 REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
7957
7958 /* address of the NVRAM to write to */
7959 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
7960 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
7961
7962 /* issue the write command */
7963 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
7964
7965 /* adjust timeout for emulation/FPGA */
7966 count = NVRAM_TIMEOUT_COUNT;
7967 if (CHIP_REV_IS_SLOW(bp))
7968 count *= 100;
7969
7970 /* wait for completion */
7971 rc = -EBUSY;
7972 for (i = 0; i < count; i++) {
7973 udelay(5);
7974 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
7975 if (val & MCPR_NVM_COMMAND_DONE) {
7976 rc = 0;
7977 break;
7978 }
7979 }
7980
7981 return rc;
7982}
7983
Eliezer Tamirf1410642008-02-28 11:51:50 -08007984#define BYTE_OFFSET(offset) (8 * (offset & 0x03))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007985
7986static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
7987 int buf_size)
7988{
7989 int rc;
7990 u32 cmd_flags;
7991 u32 align_offset;
7992 u32 val;
7993
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007994 if (offset + buf_size > bp->common.flash_size) {
7995 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007996 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007997 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007998 return -EINVAL;
7999 }
8000
8001 /* request access to nvram interface */
8002 rc = bnx2x_acquire_nvram_lock(bp);
8003 if (rc)
8004 return rc;
8005
8006 /* enable access to nvram interface */
8007 bnx2x_enable_nvram_access(bp);
8008
8009 cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
8010 align_offset = (offset & ~0x03);
8011 rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
8012
8013 if (rc == 0) {
8014 val &= ~(0xff << BYTE_OFFSET(offset));
8015 val |= (*data_buf << BYTE_OFFSET(offset));
8016
8017 /* nvram data is returned as an array of bytes
8018 * convert it back to cpu order */
8019 val = be32_to_cpu(val);
8020
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008021 rc = bnx2x_nvram_write_dword(bp, align_offset, val,
8022 cmd_flags);
8023 }
8024
8025 /* disable access to nvram interface */
8026 bnx2x_disable_nvram_access(bp);
8027 bnx2x_release_nvram_lock(bp);
8028
8029 return rc;
8030}
8031
8032static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
8033 int buf_size)
8034{
8035 int rc;
8036 u32 cmd_flags;
8037 u32 val;
8038 u32 written_so_far;
8039
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008040 if (buf_size == 1) /* ethtool */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008041 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008042
8043 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008044 DP(BNX2X_MSG_NVM,
Eliezer Tamirc14423f2008-02-28 11:49:42 -08008045 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008046 offset, buf_size);
8047 return -EINVAL;
8048 }
8049
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008050 if (offset + buf_size > bp->common.flash_size) {
8051 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008052 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008053 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008054 return -EINVAL;
8055 }
8056
8057 /* request access to nvram interface */
8058 rc = bnx2x_acquire_nvram_lock(bp);
8059 if (rc)
8060 return rc;
8061
8062 /* enable access to nvram interface */
8063 bnx2x_enable_nvram_access(bp);
8064
8065 written_so_far = 0;
8066 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8067 while ((written_so_far < buf_size) && (rc == 0)) {
8068 if (written_so_far == (buf_size - sizeof(u32)))
8069 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8070 else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0)
8071 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8072 else if ((offset % NVRAM_PAGE_SIZE) == 0)
8073 cmd_flags |= MCPR_NVM_COMMAND_FIRST;
8074
8075 memcpy(&val, data_buf, 4);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008076
8077 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
8078
8079 /* advance to the next dword */
8080 offset += sizeof(u32);
8081 data_buf += sizeof(u32);
8082 written_so_far += sizeof(u32);
8083 cmd_flags = 0;
8084 }
8085
8086 /* disable access to nvram interface */
8087 bnx2x_disable_nvram_access(bp);
8088 bnx2x_release_nvram_lock(bp);
8089
8090 return rc;
8091}
8092
8093static int bnx2x_set_eeprom(struct net_device *dev,
8094 struct ethtool_eeprom *eeprom, u8 *eebuf)
8095{
8096 struct bnx2x *bp = netdev_priv(dev);
8097 int rc;
8098
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008099 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008100 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8101 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8102 eeprom->len, eeprom->len);
8103
8104 /* parameters already validated in ethtool_set_eeprom */
8105
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008106 /* If the magic number is PHY (0x00504859) upgrade the PHY FW */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008107 if (eeprom->magic == 0x00504859)
8108 if (bp->port.pmf) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008109
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008110 bnx2x_phy_hw_lock(bp);
8111 rc = bnx2x_flash_download(bp, BP_PORT(bp),
8112 bp->link_params.ext_phy_config,
8113 (bp->state != BNX2X_STATE_CLOSED),
8114 eebuf, eeprom->len);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008115 if ((bp->state == BNX2X_STATE_OPEN) ||
8116 (bp->state == BNX2X_STATE_DISABLED)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008117 rc |= bnx2x_link_reset(&bp->link_params,
8118 &bp->link_vars);
8119 rc |= bnx2x_phy_init(&bp->link_params,
8120 &bp->link_vars);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008121 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008122 bnx2x_phy_hw_unlock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008123
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008124 } else /* Only the PMF can access the PHY */
8125 return -EINVAL;
8126 else
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008127 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008128
8129 return rc;
8130}
8131
8132static int bnx2x_get_coalesce(struct net_device *dev,
8133 struct ethtool_coalesce *coal)
8134{
8135 struct bnx2x *bp = netdev_priv(dev);
8136
8137 memset(coal, 0, sizeof(struct ethtool_coalesce));
8138
8139 coal->rx_coalesce_usecs = bp->rx_ticks;
8140 coal->tx_coalesce_usecs = bp->tx_ticks;
8141 coal->stats_block_coalesce_usecs = bp->stats_ticks;
8142
8143 return 0;
8144}
8145
8146static int bnx2x_set_coalesce(struct net_device *dev,
8147 struct ethtool_coalesce *coal)
8148{
8149 struct bnx2x *bp = netdev_priv(dev);
8150
8151 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
8152 if (bp->rx_ticks > 3000)
8153 bp->rx_ticks = 3000;
8154
8155 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
8156 if (bp->tx_ticks > 0x3000)
8157 bp->tx_ticks = 0x3000;
8158
8159 bp->stats_ticks = coal->stats_block_coalesce_usecs;
8160 if (bp->stats_ticks > 0xffff00)
8161 bp->stats_ticks = 0xffff00;
8162 bp->stats_ticks &= 0xffff00;
8163
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008164 if (netif_running(dev))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008165 bnx2x_update_coalesce(bp);
8166
8167 return 0;
8168}
8169
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008170static int bnx2x_set_flags(struct net_device *dev, u32 data)
8171{
8172 struct bnx2x *bp = netdev_priv(dev);
8173 int changed = 0;
8174 int rc = 0;
8175
8176 if (data & ETH_FLAG_LRO) {
8177 if (!(dev->features & NETIF_F_LRO)) {
8178 dev->features |= NETIF_F_LRO;
8179 bp->flags |= TPA_ENABLE_FLAG;
8180 changed = 1;
8181 }
8182
8183 } else if (dev->features & NETIF_F_LRO) {
8184 dev->features &= ~NETIF_F_LRO;
8185 bp->flags &= ~TPA_ENABLE_FLAG;
8186 changed = 1;
8187 }
8188
8189 if (changed && netif_running(dev)) {
8190 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8191 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
8192 }
8193
8194 return rc;
8195}
8196
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008197static void bnx2x_get_ringparam(struct net_device *dev,
8198 struct ethtool_ringparam *ering)
8199{
8200 struct bnx2x *bp = netdev_priv(dev);
8201
8202 ering->rx_max_pending = MAX_RX_AVAIL;
8203 ering->rx_mini_max_pending = 0;
8204 ering->rx_jumbo_max_pending = 0;
8205
8206 ering->rx_pending = bp->rx_ring_size;
8207 ering->rx_mini_pending = 0;
8208 ering->rx_jumbo_pending = 0;
8209
8210 ering->tx_max_pending = MAX_TX_AVAIL;
8211 ering->tx_pending = bp->tx_ring_size;
8212}
8213
8214static int bnx2x_set_ringparam(struct net_device *dev,
8215 struct ethtool_ringparam *ering)
8216{
8217 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008218 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008219
8220 if ((ering->rx_pending > MAX_RX_AVAIL) ||
8221 (ering->tx_pending > MAX_TX_AVAIL) ||
8222 (ering->tx_pending <= MAX_SKB_FRAGS + 4))
8223 return -EINVAL;
8224
8225 bp->rx_ring_size = ering->rx_pending;
8226 bp->tx_ring_size = ering->tx_pending;
8227
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008228 if (netif_running(dev)) {
8229 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8230 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008231 }
8232
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008233 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008234}
8235
8236static void bnx2x_get_pauseparam(struct net_device *dev,
8237 struct ethtool_pauseparam *epause)
8238{
8239 struct bnx2x *bp = netdev_priv(dev);
8240
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008241 epause->autoneg = (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
8242 (bp->link_params.req_line_speed == SPEED_AUTO_NEG);
8243
8244 epause->rx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_RX) ==
8245 FLOW_CTRL_RX);
8246 epause->tx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_TX) ==
8247 FLOW_CTRL_TX);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008248
8249 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8250 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8251 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8252}
8253
8254static int bnx2x_set_pauseparam(struct net_device *dev,
8255 struct ethtool_pauseparam *epause)
8256{
8257 struct bnx2x *bp = netdev_priv(dev);
8258
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008259 if (IS_E1HMF(bp))
8260 return 0;
8261
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008262 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8263 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8264 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8265
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008266 bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
8267
8268 if (epause->rx_pause)
8269 bp->link_params.req_flow_ctrl |= FLOW_CTRL_RX;
8270
8271 if (epause->tx_pause)
8272 bp->link_params.req_flow_ctrl |= FLOW_CTRL_TX;
8273
8274 if (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO)
8275 bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
8276
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008277 if (epause->autoneg) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008278 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008279 DP(NETIF_MSG_LINK, "Autoneg not supported\n");
Eliezer Tamirf1410642008-02-28 11:51:50 -08008280 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008281 }
8282
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008283 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
8284 bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
8285 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008286
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008287 DP(NETIF_MSG_LINK,
8288 "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008289
8290 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008291 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008292 bnx2x_link_set(bp);
8293 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008294
8295 return 0;
8296}
8297
8298static u32 bnx2x_get_rx_csum(struct net_device *dev)
8299{
8300 struct bnx2x *bp = netdev_priv(dev);
8301
8302 return bp->rx_csum;
8303}
8304
8305static int bnx2x_set_rx_csum(struct net_device *dev, u32 data)
8306{
8307 struct bnx2x *bp = netdev_priv(dev);
8308
8309 bp->rx_csum = data;
8310 return 0;
8311}
8312
8313static int bnx2x_set_tso(struct net_device *dev, u32 data)
8314{
Eilon Greenstein755735e2008-06-23 20:35:13 -07008315 if (data) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008316 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735e2008-06-23 20:35:13 -07008317 dev->features |= NETIF_F_TSO6;
8318 } else {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008319 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735e2008-06-23 20:35:13 -07008320 dev->features &= ~NETIF_F_TSO6;
8321 }
8322
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008323 return 0;
8324}
8325
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008326static const struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008327 char string[ETH_GSTRING_LEN];
8328} bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008329 { "register_test (offline)" },
8330 { "memory_test (offline)" },
8331 { "loopback_test (offline)" },
8332 { "nvram_test (online)" },
8333 { "interrupt_test (online)" },
8334 { "link_test (online)" },
8335 { "idle check (online)" },
8336 { "MC errors (online)" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008337};
8338
8339static int bnx2x_self_test_count(struct net_device *dev)
8340{
8341 return BNX2X_NUM_TESTS;
8342}
8343
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008344static int bnx2x_test_registers(struct bnx2x *bp)
8345{
8346 int idx, i, rc = -ENODEV;
8347 u32 wr_val = 0;
8348 static const struct {
8349 u32 offset0;
8350 u32 offset1;
8351 u32 mask;
8352 } reg_tbl[] = {
8353/* 0 */ { BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff },
8354 { DORQ_REG_DB_ADDR0, 4, 0xffffffff },
8355 { HC_REG_AGG_INT_0, 4, 0x000003ff },
8356 { PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 },
8357 { PBF_REG_P0_INIT_CRD, 4, 0x000007ff },
8358 { PRS_REG_CID_PORT_0, 4, 0x00ffffff },
8359 { PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff },
8360 { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8361 { PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff },
8362 { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8363/* 10 */ { PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff },
8364 { QM_REG_CONNNUM_0, 4, 0x000fffff },
8365 { TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff },
8366 { SRC_REG_KEYRSS0_0, 40, 0xffffffff },
8367 { SRC_REG_KEYRSS0_7, 40, 0xffffffff },
8368 { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
8369 { XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 },
8370 { XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff },
8371 { NIG_REG_EGRESS_MNG0_FIFO, 20, 0xffffffff },
8372 { NIG_REG_LLH0_T_BIT, 4, 0x00000001 },
8373/* 20 */ { NIG_REG_EMAC0_IN_EN, 4, 0x00000001 },
8374 { NIG_REG_BMAC0_IN_EN, 4, 0x00000001 },
8375 { NIG_REG_XCM0_OUT_EN, 4, 0x00000001 },
8376 { NIG_REG_BRB0_OUT_EN, 4, 0x00000001 },
8377 { NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 },
8378 { NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff },
8379 { NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff },
8380 { NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff },
8381 { NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff },
8382 { NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 },
8383/* 30 */ { NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff },
8384 { NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff },
8385 { NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff },
8386 { NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 },
8387 { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 },
8388 { NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff },
8389 { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
8390 { NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f },
8391
8392 { 0xffffffff, 0, 0x00000000 }
8393 };
8394
8395 if (!netif_running(bp->dev))
8396 return rc;
8397
8398 /* Repeat the test twice:
8399 First by writing 0x00000000, second by writing 0xffffffff */
8400 for (idx = 0; idx < 2; idx++) {
8401
8402 switch (idx) {
8403 case 0:
8404 wr_val = 0;
8405 break;
8406 case 1:
8407 wr_val = 0xffffffff;
8408 break;
8409 }
8410
8411 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
8412 u32 offset, mask, save_val, val;
8413 int port = BP_PORT(bp);
8414
8415 offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
8416 mask = reg_tbl[i].mask;
8417
8418 save_val = REG_RD(bp, offset);
8419
8420 REG_WR(bp, offset, wr_val);
8421 val = REG_RD(bp, offset);
8422
8423 /* Restore the original register's value */
8424 REG_WR(bp, offset, save_val);
8425
8426 /* verify that value is as expected value */
8427 if ((val & mask) != (wr_val & mask))
8428 goto test_reg_exit;
8429 }
8430 }
8431
8432 rc = 0;
8433
8434test_reg_exit:
8435 return rc;
8436}
8437
8438static int bnx2x_test_memory(struct bnx2x *bp)
8439{
8440 int i, j, rc = -ENODEV;
8441 u32 val;
8442 static const struct {
8443 u32 offset;
8444 int size;
8445 } mem_tbl[] = {
8446 { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE },
8447 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
8448 { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE },
8449 { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE },
8450 { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE },
8451 { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE },
8452 { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE },
8453
8454 { 0xffffffff, 0 }
8455 };
8456 static const struct {
8457 char *name;
8458 u32 offset;
8459 u32 mask;
8460 } prty_tbl[] = {
8461 { "CCM_REG_CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS, 0 },
8462 { "CFC_REG_CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS, 0 },
8463 { "DMAE_REG_DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0 },
8464 { "TCM_REG_TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS, 0 },
8465 { "UCM_REG_UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS, 0 },
8466 { "XCM_REG_XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS, 0x1 },
8467
8468 { NULL, 0xffffffff, 0 }
8469 };
8470
8471 if (!netif_running(bp->dev))
8472 return rc;
8473
8474 /* Go through all the memories */
8475 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
8476 for (j = 0; j < mem_tbl[i].size; j++)
8477 REG_RD(bp, mem_tbl[i].offset + j*4);
8478
8479 /* Check the parity status */
8480 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
8481 val = REG_RD(bp, prty_tbl[i].offset);
8482 if (val & ~(prty_tbl[i].mask)) {
8483 DP(NETIF_MSG_HW,
8484 "%s is 0x%x\n", prty_tbl[i].name, val);
8485 goto test_mem_exit;
8486 }
8487 }
8488
8489 rc = 0;
8490
8491test_mem_exit:
8492 return rc;
8493}
8494
8495static void bnx2x_netif_start(struct bnx2x *bp)
8496{
8497 int i;
8498
8499 if (atomic_dec_and_test(&bp->intr_sem)) {
8500 if (netif_running(bp->dev)) {
8501 bnx2x_int_enable(bp);
8502 for_each_queue(bp, i)
8503 napi_enable(&bnx2x_fp(bp, i, napi));
8504 if (bp->state == BNX2X_STATE_OPEN)
8505 netif_wake_queue(bp->dev);
8506 }
8507 }
8508}
8509
8510static void bnx2x_netif_stop(struct bnx2x *bp)
8511{
8512 int i;
8513
8514 if (netif_running(bp->dev)) {
8515 netif_tx_disable(bp->dev);
8516 bp->dev->trans_start = jiffies; /* prevent tx timeout */
8517 for_each_queue(bp, i)
8518 napi_disable(&bnx2x_fp(bp, i, napi));
8519 }
8520 bnx2x_int_disable_sync(bp);
8521}
8522
8523static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up)
8524{
8525 int cnt = 1000;
8526
8527 if (link_up)
8528 while (bnx2x_link_test(bp) && cnt--)
8529 msleep(10);
8530}
8531
8532static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
8533{
8534 unsigned int pkt_size, num_pkts, i;
8535 struct sk_buff *skb;
8536 unsigned char *packet;
8537 struct bnx2x_fastpath *fp = &bp->fp[0];
8538 u16 tx_start_idx, tx_idx;
8539 u16 rx_start_idx, rx_idx;
8540 u16 pkt_prod;
8541 struct sw_tx_bd *tx_buf;
8542 struct eth_tx_bd *tx_bd;
8543 dma_addr_t mapping;
8544 union eth_rx_cqe *cqe;
8545 u8 cqe_fp_flags;
8546 struct sw_rx_bd *rx_buf;
8547 u16 len;
8548 int rc = -ENODEV;
8549
8550 if (loopback_mode == BNX2X_MAC_LOOPBACK) {
8551 bp->link_params.loopback_mode = LOOPBACK_BMAC;
8552 bnx2x_phy_hw_lock(bp);
8553 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
8554 bnx2x_phy_hw_unlock(bp);
8555
8556 } else if (loopback_mode == BNX2X_PHY_LOOPBACK) {
8557 bp->link_params.loopback_mode = LOOPBACK_XGXS_10;
8558 bnx2x_phy_hw_lock(bp);
8559 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
8560 bnx2x_phy_hw_unlock(bp);
8561 /* wait until link state is restored */
8562 bnx2x_wait_for_link(bp, link_up);
8563
8564 } else
8565 return -EINVAL;
8566
8567 pkt_size = 1514;
8568 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
8569 if (!skb) {
8570 rc = -ENOMEM;
8571 goto test_loopback_exit;
8572 }
8573 packet = skb_put(skb, pkt_size);
8574 memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
8575 memset(packet + ETH_ALEN, 0, (ETH_HLEN - ETH_ALEN));
8576 for (i = ETH_HLEN; i < pkt_size; i++)
8577 packet[i] = (unsigned char) (i & 0xff);
8578
8579 num_pkts = 0;
8580 tx_start_idx = le16_to_cpu(*fp->tx_cons_sb);
8581 rx_start_idx = le16_to_cpu(*fp->rx_cons_sb);
8582
8583 pkt_prod = fp->tx_pkt_prod++;
8584 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
8585 tx_buf->first_bd = fp->tx_bd_prod;
8586 tx_buf->skb = skb;
8587
8588 tx_bd = &fp->tx_desc_ring[TX_BD(fp->tx_bd_prod)];
8589 mapping = pci_map_single(bp->pdev, skb->data,
8590 skb_headlen(skb), PCI_DMA_TODEVICE);
8591 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
8592 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
8593 tx_bd->nbd = cpu_to_le16(1);
8594 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
8595 tx_bd->vlan = cpu_to_le16(pkt_prod);
8596 tx_bd->bd_flags.as_bitfield = (ETH_TX_BD_FLAGS_START_BD |
8597 ETH_TX_BD_FLAGS_END_BD);
8598 tx_bd->general_data = ((UNICAST_ADDRESS <<
8599 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT) | 1);
8600
8601 fp->hw_tx_prods->bds_prod =
8602 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + 1);
8603 mb(); /* FW restriction: must not reorder writing nbd and packets */
8604 fp->hw_tx_prods->packets_prod =
8605 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
8606 DOORBELL(bp, FP_IDX(fp), 0);
8607
8608 mmiowb();
8609
8610 num_pkts++;
8611 fp->tx_bd_prod++;
8612 bp->dev->trans_start = jiffies;
8613
8614 udelay(100);
8615
8616 tx_idx = le16_to_cpu(*fp->tx_cons_sb);
8617 if (tx_idx != tx_start_idx + num_pkts)
8618 goto test_loopback_exit;
8619
8620 rx_idx = le16_to_cpu(*fp->rx_cons_sb);
8621 if (rx_idx != rx_start_idx + num_pkts)
8622 goto test_loopback_exit;
8623
8624 cqe = &fp->rx_comp_ring[RCQ_BD(fp->rx_comp_cons)];
8625 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
8626 if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
8627 goto test_loopback_rx_exit;
8628
8629 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
8630 if (len != pkt_size)
8631 goto test_loopback_rx_exit;
8632
8633 rx_buf = &fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)];
8634 skb = rx_buf->skb;
8635 skb_reserve(skb, cqe->fast_path_cqe.placement_offset);
8636 for (i = ETH_HLEN; i < pkt_size; i++)
8637 if (*(skb->data + i) != (unsigned char) (i & 0xff))
8638 goto test_loopback_rx_exit;
8639
8640 rc = 0;
8641
8642test_loopback_rx_exit:
8643 bp->dev->last_rx = jiffies;
8644
8645 fp->rx_bd_cons = NEXT_RX_IDX(fp->rx_bd_cons);
8646 fp->rx_bd_prod = NEXT_RX_IDX(fp->rx_bd_prod);
8647 fp->rx_comp_cons = NEXT_RCQ_IDX(fp->rx_comp_cons);
8648 fp->rx_comp_prod = NEXT_RCQ_IDX(fp->rx_comp_prod);
8649
8650 /* Update producers */
8651 bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod,
8652 fp->rx_sge_prod);
8653 mmiowb(); /* keep prod updates ordered */
8654
8655test_loopback_exit:
8656 bp->link_params.loopback_mode = LOOPBACK_NONE;
8657
8658 return rc;
8659}
8660
8661static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up)
8662{
8663 int rc = 0;
8664
8665 if (!netif_running(bp->dev))
8666 return BNX2X_LOOPBACK_FAILED;
8667
8668 bnx2x_netif_stop(bp);
8669
8670 if (bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up)) {
8671 DP(NETIF_MSG_PROBE, "MAC loopback failed\n");
8672 rc |= BNX2X_MAC_LOOPBACK_FAILED;
8673 }
8674
8675 if (bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up)) {
8676 DP(NETIF_MSG_PROBE, "PHY loopback failed\n");
8677 rc |= BNX2X_PHY_LOOPBACK_FAILED;
8678 }
8679
8680 bnx2x_netif_start(bp);
8681
8682 return rc;
8683}
8684
8685#define CRC32_RESIDUAL 0xdebb20e3
8686
8687static int bnx2x_test_nvram(struct bnx2x *bp)
8688{
8689 static const struct {
8690 int offset;
8691 int size;
8692 } nvram_tbl[] = {
8693 { 0, 0x14 }, /* bootstrap */
8694 { 0x14, 0xec }, /* dir */
8695 { 0x100, 0x350 }, /* manuf_info */
8696 { 0x450, 0xf0 }, /* feature_info */
8697 { 0x640, 0x64 }, /* upgrade_key_info */
8698 { 0x6a4, 0x64 },
8699 { 0x708, 0x70 }, /* manuf_key_info */
8700 { 0x778, 0x70 },
8701 { 0, 0 }
8702 };
8703 u32 buf[0x350 / 4];
8704 u8 *data = (u8 *)buf;
8705 int i, rc;
8706 u32 magic, csum;
8707
8708 rc = bnx2x_nvram_read(bp, 0, data, 4);
8709 if (rc) {
8710 DP(NETIF_MSG_PROBE, "magic value read (rc -%d)\n", -rc);
8711 goto test_nvram_exit;
8712 }
8713
8714 magic = be32_to_cpu(buf[0]);
8715 if (magic != 0x669955aa) {
8716 DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
8717 rc = -ENODEV;
8718 goto test_nvram_exit;
8719 }
8720
8721 for (i = 0; nvram_tbl[i].size; i++) {
8722
8723 rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
8724 nvram_tbl[i].size);
8725 if (rc) {
8726 DP(NETIF_MSG_PROBE,
8727 "nvram_tbl[%d] read data (rc -%d)\n", i, -rc);
8728 goto test_nvram_exit;
8729 }
8730
8731 csum = ether_crc_le(nvram_tbl[i].size, data);
8732 if (csum != CRC32_RESIDUAL) {
8733 DP(NETIF_MSG_PROBE,
8734 "nvram_tbl[%d] csum value (0x%08x)\n", i, csum);
8735 rc = -ENODEV;
8736 goto test_nvram_exit;
8737 }
8738 }
8739
8740test_nvram_exit:
8741 return rc;
8742}
8743
8744static int bnx2x_test_intr(struct bnx2x *bp)
8745{
8746 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
8747 int i, rc;
8748
8749 if (!netif_running(bp->dev))
8750 return -ENODEV;
8751
8752 config->hdr.length_6b = 0;
8753 config->hdr.offset = 0;
8754 config->hdr.client_id = BP_CL_ID(bp);
8755 config->hdr.reserved1 = 0;
8756
8757 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
8758 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
8759 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
8760 if (rc == 0) {
8761 bp->set_mac_pending++;
8762 for (i = 0; i < 10; i++) {
8763 if (!bp->set_mac_pending)
8764 break;
8765 msleep_interruptible(10);
8766 }
8767 if (i == 10)
8768 rc = -ENODEV;
8769 }
8770
8771 return rc;
8772}
8773
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008774static void bnx2x_self_test(struct net_device *dev,
8775 struct ethtool_test *etest, u64 *buf)
8776{
8777 struct bnx2x *bp = netdev_priv(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008778
8779 memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
8780
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008781 if (!netif_running(dev))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008782 return;
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008783
8784 /* offline tests are not suppoerted in MF mode */
8785 if (IS_E1HMF(bp))
8786 etest->flags &= ~ETH_TEST_FL_OFFLINE;
8787
8788 if (etest->flags & ETH_TEST_FL_OFFLINE) {
8789 u8 link_up;
8790
8791 link_up = bp->link_vars.link_up;
8792 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8793 bnx2x_nic_load(bp, LOAD_DIAG);
8794 /* wait until link state is restored */
8795 bnx2x_wait_for_link(bp, link_up);
8796
8797 if (bnx2x_test_registers(bp) != 0) {
8798 buf[0] = 1;
8799 etest->flags |= ETH_TEST_FL_FAILED;
8800 }
8801 if (bnx2x_test_memory(bp) != 0) {
8802 buf[1] = 1;
8803 etest->flags |= ETH_TEST_FL_FAILED;
8804 }
8805 buf[2] = bnx2x_test_loopback(bp, link_up);
8806 if (buf[2] != 0)
8807 etest->flags |= ETH_TEST_FL_FAILED;
8808
8809 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8810 bnx2x_nic_load(bp, LOAD_NORMAL);
8811 /* wait until link state is restored */
8812 bnx2x_wait_for_link(bp, link_up);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008813 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008814 if (bnx2x_test_nvram(bp) != 0) {
8815 buf[3] = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008816 etest->flags |= ETH_TEST_FL_FAILED;
8817 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008818 if (bnx2x_test_intr(bp) != 0) {
8819 buf[4] = 1;
8820 etest->flags |= ETH_TEST_FL_FAILED;
8821 }
8822 if (bp->port.pmf)
8823 if (bnx2x_link_test(bp) != 0) {
8824 buf[5] = 1;
8825 etest->flags |= ETH_TEST_FL_FAILED;
8826 }
8827 buf[7] = bnx2x_mc_assert(bp);
8828 if (buf[7] != 0)
8829 etest->flags |= ETH_TEST_FL_FAILED;
8830
8831#ifdef BNX2X_EXTRA_DEBUG
8832 bnx2x_panic_dump(bp);
8833#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008834}
8835
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008836static const struct {
8837 long offset;
8838 int size;
8839 u32 flags;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008840 char string[ETH_GSTRING_LEN];
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008841} bnx2x_stats_arr[BNX2X_NUM_STATS] = {
8842/* 1 */ { STATS_OFFSET32(valid_bytes_received_hi), 8, 1, "rx_bytes" },
8843 { STATS_OFFSET32(error_bytes_received_hi), 8, 1, "rx_error_bytes" },
8844 { STATS_OFFSET32(total_bytes_transmitted_hi), 8, 1, "tx_bytes" },
8845 { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi), 8, 0, "tx_error_bytes" },
8846 { STATS_OFFSET32(total_unicast_packets_received_hi),
8847 8, 1, "rx_ucast_packets" },
8848 { STATS_OFFSET32(total_multicast_packets_received_hi),
8849 8, 1, "rx_mcast_packets" },
8850 { STATS_OFFSET32(total_broadcast_packets_received_hi),
8851 8, 1, "rx_bcast_packets" },
8852 { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
8853 8, 1, "tx_packets" },
8854 { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
8855 8, 0, "tx_mac_errors" },
8856/* 10 */{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
8857 8, 0, "tx_carrier_errors" },
8858 { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
8859 8, 0, "rx_crc_errors" },
8860 { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
8861 8, 0, "rx_align_errors" },
8862 { STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
8863 8, 0, "tx_single_collisions" },
8864 { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
8865 8, 0, "tx_multi_collisions" },
8866 { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
8867 8, 0, "tx_deferred" },
8868 { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
8869 8, 0, "tx_excess_collisions" },
8870 { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
8871 8, 0, "tx_late_collisions" },
8872 { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
8873 8, 0, "tx_total_collisions" },
8874 { STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
8875 8, 0, "rx_fragments" },
8876/* 20 */{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi), 8, 0, "rx_jabbers" },
8877 { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
8878 8, 0, "rx_undersize_packets" },
8879 { STATS_OFFSET32(jabber_packets_received),
8880 4, 1, "rx_oversize_packets" },
8881 { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
8882 8, 0, "tx_64_byte_packets" },
8883 { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
8884 8, 0, "tx_65_to_127_byte_packets" },
8885 { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
8886 8, 0, "tx_128_to_255_byte_packets" },
8887 { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
8888 8, 0, "tx_256_to_511_byte_packets" },
8889 { STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
8890 8, 0, "tx_512_to_1023_byte_packets" },
8891 { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
8892 8, 0, "tx_1024_to_1522_byte_packets" },
8893 { STATS_OFFSET32(etherstatspktsover1522octets_hi),
8894 8, 0, "tx_1523_to_9022_byte_packets" },
8895/* 30 */{ STATS_OFFSET32(rx_stat_xonpauseframesreceived_hi),
8896 8, 0, "rx_xon_frames" },
8897 { STATS_OFFSET32(rx_stat_xoffpauseframesreceived_hi),
8898 8, 0, "rx_xoff_frames" },
8899 { STATS_OFFSET32(tx_stat_outxonsent_hi), 8, 0, "tx_xon_frames" },
8900 { STATS_OFFSET32(tx_stat_outxoffsent_hi), 8, 0, "tx_xoff_frames" },
8901 { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
8902 8, 0, "rx_mac_ctrl_frames" },
8903 { STATS_OFFSET32(mac_filter_discard), 4, 1, "rx_filtered_packets" },
8904 { STATS_OFFSET32(no_buff_discard), 4, 1, "rx_discards" },
8905 { STATS_OFFSET32(xxoverflow_discard), 4, 1, "rx_fw_discards" },
8906 { STATS_OFFSET32(brb_drop_hi), 8, 1, "brb_discard" },
8907/* 39 */{ STATS_OFFSET32(brb_truncate_discard), 8, 1, "brb_truncate" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008908};
8909
8910static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
8911{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008912 struct bnx2x *bp = netdev_priv(dev);
8913 int i, j;
8914
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008915 switch (stringset) {
8916 case ETH_SS_STATS:
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008917 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
8918 if (IS_E1HMF(bp) && (!bnx2x_stats_arr[i].flags))
8919 continue;
8920 strcpy(buf + j*ETH_GSTRING_LEN,
8921 bnx2x_stats_arr[i].string);
8922 j++;
8923 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008924 break;
8925
8926 case ETH_SS_TEST:
8927 memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
8928 break;
8929 }
8930}
8931
8932static int bnx2x_get_stats_count(struct net_device *dev)
8933{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008934 struct bnx2x *bp = netdev_priv(dev);
8935 int i, num_stats = 0;
8936
8937 for (i = 0; i < BNX2X_NUM_STATS; i++) {
8938 if (IS_E1HMF(bp) && (!bnx2x_stats_arr[i].flags))
8939 continue;
8940 num_stats++;
8941 }
8942 return num_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008943}
8944
8945static void bnx2x_get_ethtool_stats(struct net_device *dev,
8946 struct ethtool_stats *stats, u64 *buf)
8947{
8948 struct bnx2x *bp = netdev_priv(dev);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008949 u32 *hw_stats = (u32 *)&bp->eth_stats;
8950 int i, j;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008951
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008952 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
8953 if (IS_E1HMF(bp) && (!bnx2x_stats_arr[i].flags))
8954 continue;
8955
8956 if (bnx2x_stats_arr[i].size == 0) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008957 /* skip this counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008958 buf[j] = 0;
8959 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008960 continue;
8961 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008962 if (bnx2x_stats_arr[i].size == 4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008963 /* 4-byte counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008964 buf[j] = (u64) *(hw_stats + bnx2x_stats_arr[i].offset);
8965 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008966 continue;
8967 }
8968 /* 8-byte counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008969 buf[j] = HILO_U64(*(hw_stats + bnx2x_stats_arr[i].offset),
8970 *(hw_stats + bnx2x_stats_arr[i].offset + 1));
8971 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008972 }
8973}
8974
8975static int bnx2x_phys_id(struct net_device *dev, u32 data)
8976{
8977 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008978 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008979 int i;
8980
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008981 if (!netif_running(dev))
8982 return 0;
8983
8984 if (!bp->port.pmf)
8985 return 0;
8986
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008987 if (data == 0)
8988 data = 2;
8989
8990 for (i = 0; i < (data * 2); i++) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008991 if ((i % 2) == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008992 bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008993 bp->link_params.hw_led_mode,
8994 bp->link_params.chip_id);
8995 else
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008996 bnx2x_set_led(bp, port, LED_MODE_OFF, 0,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008997 bp->link_params.hw_led_mode,
8998 bp->link_params.chip_id);
8999
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009000 msleep_interruptible(500);
9001 if (signal_pending(current))
9002 break;
9003 }
9004
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009005 if (bp->link_vars.link_up)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009006 bnx2x_set_led(bp, port, LED_MODE_OPER,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009007 bp->link_vars.line_speed,
9008 bp->link_params.hw_led_mode,
9009 bp->link_params.chip_id);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009010
9011 return 0;
9012}
9013
9014static struct ethtool_ops bnx2x_ethtool_ops = {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009015 .get_settings = bnx2x_get_settings,
9016 .set_settings = bnx2x_set_settings,
9017 .get_drvinfo = bnx2x_get_drvinfo,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009018 .get_wol = bnx2x_get_wol,
9019 .set_wol = bnx2x_set_wol,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009020 .get_msglevel = bnx2x_get_msglevel,
9021 .set_msglevel = bnx2x_set_msglevel,
9022 .nway_reset = bnx2x_nway_reset,
9023 .get_link = ethtool_op_get_link,
9024 .get_eeprom_len = bnx2x_get_eeprom_len,
9025 .get_eeprom = bnx2x_get_eeprom,
9026 .set_eeprom = bnx2x_set_eeprom,
9027 .get_coalesce = bnx2x_get_coalesce,
9028 .set_coalesce = bnx2x_set_coalesce,
9029 .get_ringparam = bnx2x_get_ringparam,
9030 .set_ringparam = bnx2x_set_ringparam,
9031 .get_pauseparam = bnx2x_get_pauseparam,
9032 .set_pauseparam = bnx2x_set_pauseparam,
9033 .get_rx_csum = bnx2x_get_rx_csum,
9034 .set_rx_csum = bnx2x_set_rx_csum,
9035 .get_tx_csum = ethtool_op_get_tx_csum,
Eilon Greenstein755735e2008-06-23 20:35:13 -07009036 .set_tx_csum = ethtool_op_set_tx_hw_csum,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009037 .set_flags = bnx2x_set_flags,
9038 .get_flags = ethtool_op_get_flags,
9039 .get_sg = ethtool_op_get_sg,
9040 .set_sg = ethtool_op_set_sg,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009041 .get_tso = ethtool_op_get_tso,
9042 .set_tso = bnx2x_set_tso,
9043 .self_test_count = bnx2x_self_test_count,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009044 .self_test = bnx2x_self_test,
9045 .get_strings = bnx2x_get_strings,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009046 .phys_id = bnx2x_phys_id,
9047 .get_stats_count = bnx2x_get_stats_count,
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009048 .get_ethtool_stats = bnx2x_get_ethtool_stats,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009049};
9050
9051/* end of ethtool_ops */
9052
9053/****************************************************************************
9054* General service functions
9055****************************************************************************/
9056
9057static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
9058{
9059 u16 pmcsr;
9060
9061 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
9062
9063 switch (state) {
9064 case PCI_D0:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009065 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009066 ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
9067 PCI_PM_CTRL_PME_STATUS));
9068
9069 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
9070 /* delay required during transition out of D3hot */
9071 msleep(20);
9072 break;
9073
9074 case PCI_D3hot:
9075 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
9076 pmcsr |= 3;
9077
9078 if (bp->wol)
9079 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
9080
9081 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
9082 pmcsr);
9083
9084 /* No more memory access after this point until
9085 * device is brought back to D0.
9086 */
9087 break;
9088
9089 default:
9090 return -EINVAL;
9091 }
9092 return 0;
9093}
9094
9095/*
9096 * net_device service functions
9097 */
9098
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009099static int bnx2x_poll(struct napi_struct *napi, int budget)
9100{
9101 struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath,
9102 napi);
9103 struct bnx2x *bp = fp->bp;
9104 int work_done = 0;
9105
9106#ifdef BNX2X_STOP_ON_ERROR
9107 if (unlikely(bp->panic))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009108 goto poll_panic;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009109#endif
9110
9111 prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb);
9112 prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb);
9113 prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256);
9114
9115 bnx2x_update_fpsb_idx(fp);
9116
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009117 if ((fp->tx_pkt_prod != le16_to_cpu(*fp->tx_cons_sb)) ||
9118 (fp->tx_pkt_prod != fp->tx_pkt_cons))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009119 bnx2x_tx_int(fp, budget);
9120
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009121 if (le16_to_cpu(*fp->rx_cons_sb) != fp->rx_comp_cons)
9122 work_done = bnx2x_rx_int(fp, budget);
9123
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009124 rmb(); /* bnx2x_has_work() reads the status block */
9125
9126 /* must not complete if we consumed full budget */
9127 if ((work_done < budget) && !bnx2x_has_work(fp)) {
9128
9129#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009130poll_panic:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009131#endif
9132 netif_rx_complete(bp->dev, napi);
9133
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009134 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009135 le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009136 bnx2x_ack_sb(bp, FP_SB_ID(fp), CSTORM_ID,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009137 le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
9138 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009139 return work_done;
9140}
9141
Eilon Greenstein755735e2008-06-23 20:35:13 -07009142
9143/* we split the first BD into headers and data BDs
9144 * to ease the pain of our fellow micocode engineers
9145 * we use one mapping for both BDs
9146 * So far this has only been observed to happen
9147 * in Other Operating Systems(TM)
9148 */
9149static noinline u16 bnx2x_tx_split(struct bnx2x *bp,
9150 struct bnx2x_fastpath *fp,
9151 struct eth_tx_bd **tx_bd, u16 hlen,
9152 u16 bd_prod, int nbd)
9153{
9154 struct eth_tx_bd *h_tx_bd = *tx_bd;
9155 struct eth_tx_bd *d_tx_bd;
9156 dma_addr_t mapping;
9157 int old_len = le16_to_cpu(h_tx_bd->nbytes);
9158
9159 /* first fix first BD */
9160 h_tx_bd->nbd = cpu_to_le16(nbd);
9161 h_tx_bd->nbytes = cpu_to_le16(hlen);
9162
9163 DP(NETIF_MSG_TX_QUEUED, "TSO split header size is %d "
9164 "(%x:%x) nbd %d\n", h_tx_bd->nbytes, h_tx_bd->addr_hi,
9165 h_tx_bd->addr_lo, h_tx_bd->nbd);
9166
9167 /* now get a new data BD
9168 * (after the pbd) and fill it */
9169 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9170 d_tx_bd = &fp->tx_desc_ring[bd_prod];
9171
9172 mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi),
9173 le32_to_cpu(h_tx_bd->addr_lo)) + hlen;
9174
9175 d_tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9176 d_tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9177 d_tx_bd->nbytes = cpu_to_le16(old_len - hlen);
9178 d_tx_bd->vlan = 0;
9179 /* this marks the BD as one that has no individual mapping
9180 * the FW ignores this flag in a BD not marked start
9181 */
9182 d_tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO;
9183 DP(NETIF_MSG_TX_QUEUED,
9184 "TSO split data size is %d (%x:%x)\n",
9185 d_tx_bd->nbytes, d_tx_bd->addr_hi, d_tx_bd->addr_lo);
9186
9187 /* update tx_bd for marking the last BD flag */
9188 *tx_bd = d_tx_bd;
9189
9190 return bd_prod;
9191}
9192
9193static inline u16 bnx2x_csum_fix(unsigned char *t_header, u16 csum, s8 fix)
9194{
9195 if (fix > 0)
9196 csum = (u16) ~csum_fold(csum_sub(csum,
9197 csum_partial(t_header - fix, fix, 0)));
9198
9199 else if (fix < 0)
9200 csum = (u16) ~csum_fold(csum_add(csum,
9201 csum_partial(t_header, -fix, 0)));
9202
9203 return swab16(csum);
9204}
9205
9206static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
9207{
9208 u32 rc;
9209
9210 if (skb->ip_summed != CHECKSUM_PARTIAL)
9211 rc = XMIT_PLAIN;
9212
9213 else {
9214 if (skb->protocol == ntohs(ETH_P_IPV6)) {
9215 rc = XMIT_CSUM_V6;
9216 if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
9217 rc |= XMIT_CSUM_TCP;
9218
9219 } else {
9220 rc = XMIT_CSUM_V4;
9221 if (ip_hdr(skb)->protocol == IPPROTO_TCP)
9222 rc |= XMIT_CSUM_TCP;
9223 }
9224 }
9225
9226 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4)
9227 rc |= XMIT_GSO_V4;
9228
9229 else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
9230 rc |= XMIT_GSO_V6;
9231
9232 return rc;
9233}
9234
9235/* check if packet requires linearization (packet is too fragmented) */
9236static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
9237 u32 xmit_type)
9238{
9239 int to_copy = 0;
9240 int hlen = 0;
9241 int first_bd_sz = 0;
9242
9243 /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
9244 if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) {
9245
9246 if (xmit_type & XMIT_GSO) {
9247 unsigned short lso_mss = skb_shinfo(skb)->gso_size;
9248 /* Check if LSO packet needs to be copied:
9249 3 = 1 (for headers BD) + 2 (for PBD and last BD) */
9250 int wnd_size = MAX_FETCH_BD - 3;
9251 /* Number of widnows to check */
9252 int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size;
9253 int wnd_idx = 0;
9254 int frag_idx = 0;
9255 u32 wnd_sum = 0;
9256
9257 /* Headers length */
9258 hlen = (int)(skb_transport_header(skb) - skb->data) +
9259 tcp_hdrlen(skb);
9260
9261 /* Amount of data (w/o headers) on linear part of SKB*/
9262 first_bd_sz = skb_headlen(skb) - hlen;
9263
9264 wnd_sum = first_bd_sz;
9265
9266 /* Calculate the first sum - it's special */
9267 for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++)
9268 wnd_sum +=
9269 skb_shinfo(skb)->frags[frag_idx].size;
9270
9271 /* If there was data on linear skb data - check it */
9272 if (first_bd_sz > 0) {
9273 if (unlikely(wnd_sum < lso_mss)) {
9274 to_copy = 1;
9275 goto exit_lbl;
9276 }
9277
9278 wnd_sum -= first_bd_sz;
9279 }
9280
9281 /* Others are easier: run through the frag list and
9282 check all windows */
9283 for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) {
9284 wnd_sum +=
9285 skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size;
9286
9287 if (unlikely(wnd_sum < lso_mss)) {
9288 to_copy = 1;
9289 break;
9290 }
9291 wnd_sum -=
9292 skb_shinfo(skb)->frags[wnd_idx].size;
9293 }
9294
9295 } else {
9296 /* in non-LSO too fragmented packet should always
9297 be linearized */
9298 to_copy = 1;
9299 }
9300 }
9301
9302exit_lbl:
9303 if (unlikely(to_copy))
9304 DP(NETIF_MSG_TX_QUEUED,
9305 "Linearization IS REQUIRED for %s packet. "
9306 "num_frags %d hlen %d first_bd_sz %d\n",
9307 (xmit_type & XMIT_GSO) ? "LSO" : "non-LSO",
9308 skb_shinfo(skb)->nr_frags, hlen, first_bd_sz);
9309
9310 return to_copy;
9311}
9312
9313/* called with netif_tx_lock
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009314 * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call
Eilon Greenstein755735e2008-06-23 20:35:13 -07009315 * netif_wake_queue()
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009316 */
9317static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
9318{
9319 struct bnx2x *bp = netdev_priv(dev);
9320 struct bnx2x_fastpath *fp;
9321 struct sw_tx_bd *tx_buf;
9322 struct eth_tx_bd *tx_bd;
9323 struct eth_tx_parse_bd *pbd = NULL;
9324 u16 pkt_prod, bd_prod;
Eilon Greenstein755735e2008-06-23 20:35:13 -07009325 int nbd, fp_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009326 dma_addr_t mapping;
Eilon Greenstein755735e2008-06-23 20:35:13 -07009327 u32 xmit_type = bnx2x_xmit_type(bp, skb);
9328 int vlan_off = (bp->e1hov ? 4 : 0);
9329 int i;
9330 u8 hlen = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009331
9332#ifdef BNX2X_STOP_ON_ERROR
9333 if (unlikely(bp->panic))
9334 return NETDEV_TX_BUSY;
9335#endif
9336
Eilon Greenstein755735e2008-06-23 20:35:13 -07009337 fp_index = (smp_processor_id() % bp->num_queues);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009338 fp = &bp->fp[fp_index];
Eilon Greenstein755735e2008-06-23 20:35:13 -07009339
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009340 if (unlikely(bnx2x_tx_avail(bp->fp) <
9341 (skb_shinfo(skb)->nr_frags + 3))) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009342 bp->eth_stats.driver_xoff++,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009343 netif_stop_queue(dev);
9344 BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
9345 return NETDEV_TX_BUSY;
9346 }
9347
Eilon Greenstein755735e2008-06-23 20:35:13 -07009348 DP(NETIF_MSG_TX_QUEUED, "SKB: summed %x protocol %x protocol(%x,%x)"
9349 " gso type %x xmit_type %x\n",
9350 skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr,
9351 ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type);
9352
9353 /* First, check if we need to linearaize the skb
9354 (due to FW restrictions) */
9355 if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) {
9356 /* Statistics of linearization */
9357 bp->lin_cnt++;
9358 if (skb_linearize(skb) != 0) {
9359 DP(NETIF_MSG_TX_QUEUED, "SKB linearization failed - "
9360 "silently dropping this SKB\n");
9361 dev_kfree_skb_any(skb);
9362 return 0;
9363 }
9364 }
9365
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009366 /*
Eilon Greenstein755735e2008-06-23 20:35:13 -07009367 Please read carefully. First we use one BD which we mark as start,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009368 then for TSO or xsum we have a parsing info BD,
Eilon Greenstein755735e2008-06-23 20:35:13 -07009369 and only then we have the rest of the TSO BDs.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009370 (don't forget to mark the last one as last,
9371 and to unmap only AFTER you write to the BD ...)
Eilon Greenstein755735e2008-06-23 20:35:13 -07009372 And above all, all pdb sizes are in words - NOT DWORDS!
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009373 */
9374
9375 pkt_prod = fp->tx_pkt_prod++;
Eilon Greenstein755735e2008-06-23 20:35:13 -07009376 bd_prod = TX_BD(fp->tx_bd_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009377
Eilon Greenstein755735e2008-06-23 20:35:13 -07009378 /* get a tx_buf and first BD */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009379 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
9380 tx_bd = &fp->tx_desc_ring[bd_prod];
9381
9382 tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
9383 tx_bd->general_data = (UNICAST_ADDRESS <<
9384 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT);
9385 tx_bd->general_data |= 1; /* header nbd */
9386
Eilon Greenstein755735e2008-06-23 20:35:13 -07009387 /* remember the first BD of the packet */
9388 tx_buf->first_bd = fp->tx_bd_prod;
9389 tx_buf->skb = skb;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009390
9391 DP(NETIF_MSG_TX_QUEUED,
9392 "sending pkt %u @%p next_idx %u bd %u @%p\n",
9393 pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_bd);
9394
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009395 if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb)) {
9396 tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb));
9397 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG;
Eilon Greenstein755735e2008-06-23 20:35:13 -07009398 vlan_off += 4;
9399 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009400 tx_bd->vlan = cpu_to_le16(pkt_prod);
Eilon Greenstein755735e2008-06-23 20:35:13 -07009401
9402 if (xmit_type) {
9403
9404 /* turn on parsing and get a BD */
9405 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9406 pbd = (void *)&fp->tx_desc_ring[bd_prod];
9407
9408 memset(pbd, 0, sizeof(struct eth_tx_parse_bd));
9409 }
9410
9411 if (xmit_type & XMIT_CSUM) {
9412 hlen = (skb_network_header(skb) - skb->data + vlan_off) / 2;
9413
9414 /* for now NS flag is not used in Linux */
9415 pbd->global_data = (hlen |
9416 ((skb->protocol == ntohs(ETH_P_8021Q)) <<
9417 ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT));
9418
9419 pbd->ip_hlen = (skb_transport_header(skb) -
9420 skb_network_header(skb)) / 2;
9421
9422 hlen += pbd->ip_hlen + tcp_hdrlen(skb) / 2;
9423
9424 pbd->total_hlen = cpu_to_le16(hlen);
9425 hlen = hlen*2 - vlan_off;
9426
9427 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM;
9428
9429 if (xmit_type & XMIT_CSUM_V4)
9430 tx_bd->bd_flags.as_bitfield |=
9431 ETH_TX_BD_FLAGS_IP_CSUM;
9432 else
9433 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IPV6;
9434
9435 if (xmit_type & XMIT_CSUM_TCP) {
9436 pbd->tcp_pseudo_csum = swab16(tcp_hdr(skb)->check);
9437
9438 } else {
9439 s8 fix = SKB_CS_OFF(skb); /* signed! */
9440
9441 pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG;
9442 pbd->cs_offset = fix / 2;
9443
9444 DP(NETIF_MSG_TX_QUEUED,
9445 "hlen %d offset %d fix %d csum before fix %x\n",
9446 le16_to_cpu(pbd->total_hlen), pbd->cs_offset, fix,
9447 SKB_CS(skb));
9448
9449 /* HW bug: fixup the CSUM */
9450 pbd->tcp_pseudo_csum =
9451 bnx2x_csum_fix(skb_transport_header(skb),
9452 SKB_CS(skb), fix);
9453
9454 DP(NETIF_MSG_TX_QUEUED, "csum after fix %x\n",
9455 pbd->tcp_pseudo_csum);
9456 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009457 }
9458
9459 mapping = pci_map_single(bp->pdev, skb->data,
Eilon Greenstein755735e2008-06-23 20:35:13 -07009460 skb_headlen(skb), PCI_DMA_TODEVICE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009461
9462 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9463 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9464 nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL)? 1 : 2);
9465 tx_bd->nbd = cpu_to_le16(nbd);
9466 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
9467
9468 DP(NETIF_MSG_TX_QUEUED, "first bd @%p addr (%x:%x) nbd %d"
Eilon Greenstein755735e2008-06-23 20:35:13 -07009469 " nbytes %d flags %x vlan %x\n",
9470 tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, le16_to_cpu(tx_bd->nbd),
9471 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield,
9472 le16_to_cpu(tx_bd->vlan));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009473
Eilon Greenstein755735e2008-06-23 20:35:13 -07009474 if (xmit_type & XMIT_GSO) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009475
9476 DP(NETIF_MSG_TX_QUEUED,
9477 "TSO packet len %d hlen %d total len %d tso size %d\n",
9478 skb->len, hlen, skb_headlen(skb),
9479 skb_shinfo(skb)->gso_size);
9480
9481 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO;
9482
Eilon Greenstein755735e2008-06-23 20:35:13 -07009483 if (unlikely(skb_headlen(skb) > hlen))
9484 bd_prod = bnx2x_tx_split(bp, fp, &tx_bd, hlen,
9485 bd_prod, ++nbd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009486
9487 pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
9488 pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq);
Eilon Greenstein755735e2008-06-23 20:35:13 -07009489 pbd->tcp_flags = pbd_tcp_flags(skb);
9490
9491 if (xmit_type & XMIT_GSO_V4) {
9492 pbd->ip_id = swab16(ip_hdr(skb)->id);
9493 pbd->tcp_pseudo_csum =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009494 swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr,
9495 ip_hdr(skb)->daddr,
9496 0, IPPROTO_TCP, 0));
Eilon Greenstein755735e2008-06-23 20:35:13 -07009497
9498 } else
9499 pbd->tcp_pseudo_csum =
9500 swab16(~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
9501 &ipv6_hdr(skb)->daddr,
9502 0, IPPROTO_TCP, 0));
9503
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009504 pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN;
9505 }
9506
Eilon Greenstein755735e2008-06-23 20:35:13 -07009507 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
9508 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009509
Eilon Greenstein755735e2008-06-23 20:35:13 -07009510 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9511 tx_bd = &fp->tx_desc_ring[bd_prod];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009512
Eilon Greenstein755735e2008-06-23 20:35:13 -07009513 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
9514 frag->size, PCI_DMA_TODEVICE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009515
Eilon Greenstein755735e2008-06-23 20:35:13 -07009516 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9517 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9518 tx_bd->nbytes = cpu_to_le16(frag->size);
9519 tx_bd->vlan = cpu_to_le16(pkt_prod);
9520 tx_bd->bd_flags.as_bitfield = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009521
Eilon Greenstein755735e2008-06-23 20:35:13 -07009522 DP(NETIF_MSG_TX_QUEUED,
9523 "frag %d bd @%p addr (%x:%x) nbytes %d flags %x\n",
9524 i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo,
9525 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009526 }
9527
Eilon Greenstein755735e2008-06-23 20:35:13 -07009528 /* now at last mark the BD as the last BD */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009529 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD;
9530
9531 DP(NETIF_MSG_TX_QUEUED, "last bd @%p flags %x\n",
9532 tx_bd, tx_bd->bd_flags.as_bitfield);
9533
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009534 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9535
Eilon Greenstein755735e2008-06-23 20:35:13 -07009536 /* now send a tx doorbell, counting the next BD
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009537 * if the packet contains or ends with it
9538 */
9539 if (TX_BD_POFF(bd_prod) < nbd)
9540 nbd++;
9541
9542 if (pbd)
9543 DP(NETIF_MSG_TX_QUEUED,
9544 "PBD @%p ip_data %x ip_hlen %u ip_id %u lso_mss %u"
9545 " tcp_flags %x xsum %x seq %u hlen %u\n",
9546 pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id,
9547 pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum,
Eilon Greenstein755735e2008-06-23 20:35:13 -07009548 pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009549
Eilon Greenstein755735e2008-06-23 20:35:13 -07009550 DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d bd %u\n", nbd, bd_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009551
Eliezer Tamir96fc1782008-02-28 11:57:55 -08009552 fp->hw_tx_prods->bds_prod =
9553 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + nbd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009554 mb(); /* FW restriction: must not reorder writing nbd and packets */
Eliezer Tamir96fc1782008-02-28 11:57:55 -08009555 fp->hw_tx_prods->packets_prod =
9556 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
Eilon Greenstein755735e2008-06-23 20:35:13 -07009557 DOORBELL(bp, FP_IDX(fp), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009558
9559 mmiowb();
9560
Eilon Greenstein755735e2008-06-23 20:35:13 -07009561 fp->tx_bd_prod += nbd;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009562 dev->trans_start = jiffies;
9563
9564 if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
9565 netif_stop_queue(dev);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009566 bp->eth_stats.driver_xoff++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009567 if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
9568 netif_wake_queue(dev);
9569 }
9570 fp->tx_pkt++;
9571
9572 return NETDEV_TX_OK;
9573}
9574
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009575/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009576static int bnx2x_open(struct net_device *dev)
9577{
9578 struct bnx2x *bp = netdev_priv(dev);
9579
9580 bnx2x_set_power_state(bp, PCI_D0);
9581
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009582 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009583}
9584
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009585/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009586static int bnx2x_close(struct net_device *dev)
9587{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009588 struct bnx2x *bp = netdev_priv(dev);
9589
9590 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009591 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
9592 if (atomic_read(&bp->pdev->enable_cnt) == 1)
9593 if (!CHIP_REV_IS_SLOW(bp))
9594 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009595
9596 return 0;
9597}
9598
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009599/* called with netif_tx_lock from set_multicast */
9600static void bnx2x_set_rx_mode(struct net_device *dev)
9601{
9602 struct bnx2x *bp = netdev_priv(dev);
9603 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
9604 int port = BP_PORT(bp);
9605
9606 if (bp->state != BNX2X_STATE_OPEN) {
9607 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
9608 return;
9609 }
9610
9611 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
9612
9613 if (dev->flags & IFF_PROMISC)
9614 rx_mode = BNX2X_RX_MODE_PROMISC;
9615
9616 else if ((dev->flags & IFF_ALLMULTI) ||
9617 ((dev->mc_count > BNX2X_MAX_MULTICAST) && CHIP_IS_E1(bp)))
9618 rx_mode = BNX2X_RX_MODE_ALLMULTI;
9619
9620 else { /* some multicasts */
9621 if (CHIP_IS_E1(bp)) {
9622 int i, old, offset;
9623 struct dev_mc_list *mclist;
9624 struct mac_configuration_cmd *config =
9625 bnx2x_sp(bp, mcast_config);
9626
9627 for (i = 0, mclist = dev->mc_list;
9628 mclist && (i < dev->mc_count);
9629 i++, mclist = mclist->next) {
9630
9631 config->config_table[i].
9632 cam_entry.msb_mac_addr =
9633 swab16(*(u16 *)&mclist->dmi_addr[0]);
9634 config->config_table[i].
9635 cam_entry.middle_mac_addr =
9636 swab16(*(u16 *)&mclist->dmi_addr[2]);
9637 config->config_table[i].
9638 cam_entry.lsb_mac_addr =
9639 swab16(*(u16 *)&mclist->dmi_addr[4]);
9640 config->config_table[i].cam_entry.flags =
9641 cpu_to_le16(port);
9642 config->config_table[i].
9643 target_table_entry.flags = 0;
9644 config->config_table[i].
9645 target_table_entry.client_id = 0;
9646 config->config_table[i].
9647 target_table_entry.vlan_id = 0;
9648
9649 DP(NETIF_MSG_IFUP,
9650 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
9651 config->config_table[i].
9652 cam_entry.msb_mac_addr,
9653 config->config_table[i].
9654 cam_entry.middle_mac_addr,
9655 config->config_table[i].
9656 cam_entry.lsb_mac_addr);
9657 }
9658 old = config->hdr.length_6b;
9659 if (old > i) {
9660 for (; i < old; i++) {
9661 if (CAM_IS_INVALID(config->
9662 config_table[i])) {
9663 i--; /* already invalidated */
9664 break;
9665 }
9666 /* invalidate */
9667 CAM_INVALIDATE(config->
9668 config_table[i]);
9669 }
9670 }
9671
9672 if (CHIP_REV_IS_SLOW(bp))
9673 offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
9674 else
9675 offset = BNX2X_MAX_MULTICAST*(1 + port);
9676
9677 config->hdr.length_6b = i;
9678 config->hdr.offset = offset;
9679 config->hdr.client_id = BP_CL_ID(bp);
9680 config->hdr.reserved1 = 0;
9681
9682 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
9683 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
9684 U64_LO(bnx2x_sp_mapping(bp, mcast_config)),
9685 0);
9686 } else { /* E1H */
9687 /* Accept one or more multicasts */
9688 struct dev_mc_list *mclist;
9689 u32 mc_filter[MC_HASH_SIZE];
9690 u32 crc, bit, regidx;
9691 int i;
9692
9693 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
9694
9695 for (i = 0, mclist = dev->mc_list;
9696 mclist && (i < dev->mc_count);
9697 i++, mclist = mclist->next) {
9698
9699 DP(NETIF_MSG_IFUP, "Adding mcast MAC: "
9700 "%02x:%02x:%02x:%02x:%02x:%02x\n",
9701 mclist->dmi_addr[0], mclist->dmi_addr[1],
9702 mclist->dmi_addr[2], mclist->dmi_addr[3],
9703 mclist->dmi_addr[4], mclist->dmi_addr[5]);
9704
9705 crc = crc32c_le(0, mclist->dmi_addr, ETH_ALEN);
9706 bit = (crc >> 24) & 0xff;
9707 regidx = bit >> 5;
9708 bit &= 0x1f;
9709 mc_filter[regidx] |= (1 << bit);
9710 }
9711
9712 for (i = 0; i < MC_HASH_SIZE; i++)
9713 REG_WR(bp, MC_HASH_OFFSET(bp, i),
9714 mc_filter[i]);
9715 }
9716 }
9717
9718 bp->rx_mode = rx_mode;
9719 bnx2x_set_storm_rx_mode(bp);
9720}
9721
9722/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009723static int bnx2x_change_mac_addr(struct net_device *dev, void *p)
9724{
9725 struct sockaddr *addr = p;
9726 struct bnx2x *bp = netdev_priv(dev);
9727
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009728 if (!is_valid_ether_addr((u8 *)(addr->sa_data)))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009729 return -EINVAL;
9730
9731 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009732 if (netif_running(dev)) {
9733 if (CHIP_IS_E1(bp))
9734 bnx2x_set_mac_addr_e1(bp);
9735 else
9736 bnx2x_set_mac_addr_e1h(bp);
9737 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009738
9739 return 0;
9740}
9741
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009742/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009743static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9744{
9745 struct mii_ioctl_data *data = if_mii(ifr);
9746 struct bnx2x *bp = netdev_priv(dev);
9747 int err;
9748
9749 switch (cmd) {
9750 case SIOCGMIIPHY:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009751 data->phy_id = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009752
Eliezer Tamirc14423f2008-02-28 11:49:42 -08009753 /* fallthrough */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009754
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009755 case SIOCGMIIREG: {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009756 u16 mii_regval;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009757
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009758 if (!netif_running(dev))
9759 return -EAGAIN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009760
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009761 mutex_lock(&bp->port.phy_mutex);
9762 err = bnx2x_cl45_read(bp, BP_PORT(bp), 0, bp->port.phy_addr,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009763 DEFAULT_PHY_DEV_ADDR,
9764 (data->reg_num & 0x1f), &mii_regval);
9765 data->val_out = mii_regval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009766 mutex_unlock(&bp->port.phy_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009767 return err;
9768 }
9769
9770 case SIOCSMIIREG:
9771 if (!capable(CAP_NET_ADMIN))
9772 return -EPERM;
9773
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009774 if (!netif_running(dev))
9775 return -EAGAIN;
9776
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009777 mutex_lock(&bp->port.phy_mutex);
9778 err = bnx2x_cl45_write(bp, BP_PORT(bp), 0, bp->port.phy_addr,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009779 DEFAULT_PHY_DEV_ADDR,
9780 (data->reg_num & 0x1f), data->val_in);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009781 mutex_unlock(&bp->port.phy_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009782 return err;
9783
9784 default:
9785 /* do nothing */
9786 break;
9787 }
9788
9789 return -EOPNOTSUPP;
9790}
9791
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009792/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009793static int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
9794{
9795 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009796 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009797
9798 if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) ||
9799 ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE))
9800 return -EINVAL;
9801
9802 /* This does not race with packet allocation
Eliezer Tamirc14423f2008-02-28 11:49:42 -08009803 * because the actual alloc size is
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009804 * only updated as part of load
9805 */
9806 dev->mtu = new_mtu;
9807
9808 if (netif_running(dev)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009809 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
9810 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009811 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009812
9813 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009814}
9815
9816static void bnx2x_tx_timeout(struct net_device *dev)
9817{
9818 struct bnx2x *bp = netdev_priv(dev);
9819
9820#ifdef BNX2X_STOP_ON_ERROR
9821 if (!bp->panic)
9822 bnx2x_panic();
9823#endif
9824 /* This allows the netif to be shutdown gracefully before resetting */
9825 schedule_work(&bp->reset_task);
9826}
9827
9828#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009829/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009830static void bnx2x_vlan_rx_register(struct net_device *dev,
9831 struct vlan_group *vlgrp)
9832{
9833 struct bnx2x *bp = netdev_priv(dev);
9834
9835 bp->vlgrp = vlgrp;
9836 if (netif_running(dev))
Eliezer Tamir49d66772008-02-28 11:53:13 -08009837 bnx2x_set_client_config(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009838}
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009839
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009840#endif
9841
9842#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
9843static void poll_bnx2x(struct net_device *dev)
9844{
9845 struct bnx2x *bp = netdev_priv(dev);
9846
9847 disable_irq(bp->pdev->irq);
9848 bnx2x_interrupt(bp->pdev->irq, dev);
9849 enable_irq(bp->pdev->irq);
9850}
9851#endif
9852
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009853static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
9854 struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009855{
9856 struct bnx2x *bp;
9857 int rc;
9858
9859 SET_NETDEV_DEV(dev, &pdev->dev);
9860 bp = netdev_priv(dev);
9861
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009862 bp->dev = dev;
9863 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009864 bp->flags = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009865 bp->func = PCI_FUNC(pdev->devfn);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009866
9867 rc = pci_enable_device(pdev);
9868 if (rc) {
9869 printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n");
9870 goto err_out;
9871 }
9872
9873 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
9874 printk(KERN_ERR PFX "Cannot find PCI device base address,"
9875 " aborting\n");
9876 rc = -ENODEV;
9877 goto err_out_disable;
9878 }
9879
9880 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
9881 printk(KERN_ERR PFX "Cannot find second PCI device"
9882 " base address, aborting\n");
9883 rc = -ENODEV;
9884 goto err_out_disable;
9885 }
9886
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009887 if (atomic_read(&pdev->enable_cnt) == 1) {
9888 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
9889 if (rc) {
9890 printk(KERN_ERR PFX "Cannot obtain PCI resources,"
9891 " aborting\n");
9892 goto err_out_disable;
9893 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009894
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009895 pci_set_master(pdev);
9896 pci_save_state(pdev);
9897 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009898
9899 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
9900 if (bp->pm_cap == 0) {
9901 printk(KERN_ERR PFX "Cannot find power management"
9902 " capability, aborting\n");
9903 rc = -EIO;
9904 goto err_out_release;
9905 }
9906
9907 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
9908 if (bp->pcie_cap == 0) {
9909 printk(KERN_ERR PFX "Cannot find PCI Express capability,"
9910 " aborting\n");
9911 rc = -EIO;
9912 goto err_out_release;
9913 }
9914
9915 if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
9916 bp->flags |= USING_DAC_FLAG;
9917 if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
9918 printk(KERN_ERR PFX "pci_set_consistent_dma_mask"
9919 " failed, aborting\n");
9920 rc = -EIO;
9921 goto err_out_release;
9922 }
9923
9924 } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
9925 printk(KERN_ERR PFX "System does not support DMA,"
9926 " aborting\n");
9927 rc = -EIO;
9928 goto err_out_release;
9929 }
9930
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009931 dev->mem_start = pci_resource_start(pdev, 0);
9932 dev->base_addr = dev->mem_start;
9933 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009934
9935 dev->irq = pdev->irq;
9936
9937 bp->regview = ioremap_nocache(dev->base_addr,
9938 pci_resource_len(pdev, 0));
9939 if (!bp->regview) {
9940 printk(KERN_ERR PFX "Cannot map register space, aborting\n");
9941 rc = -ENOMEM;
9942 goto err_out_release;
9943 }
9944
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009945 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
9946 min_t(u64, BNX2X_DB_SIZE,
9947 pci_resource_len(pdev, 2)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009948 if (!bp->doorbells) {
9949 printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n");
9950 rc = -ENOMEM;
9951 goto err_out_unmap;
9952 }
9953
9954 bnx2x_set_power_state(bp, PCI_D0);
9955
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009956 /* clean indirect addresses */
9957 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
9958 PCICFG_VENDOR_ID_OFFSET);
9959 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
9960 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
9961 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
9962 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009963
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009964 dev->hard_start_xmit = bnx2x_start_xmit;
9965 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009966
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009967 dev->ethtool_ops = &bnx2x_ethtool_ops;
9968 dev->open = bnx2x_open;
9969 dev->stop = bnx2x_close;
9970 dev->set_multicast_list = bnx2x_set_rx_mode;
9971 dev->set_mac_address = bnx2x_change_mac_addr;
9972 dev->do_ioctl = bnx2x_ioctl;
9973 dev->change_mtu = bnx2x_change_mtu;
9974 dev->tx_timeout = bnx2x_tx_timeout;
9975#ifdef BCM_VLAN
9976 dev->vlan_rx_register = bnx2x_vlan_rx_register;
9977#endif
9978#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
9979 dev->poll_controller = poll_bnx2x;
9980#endif
9981 dev->features |= NETIF_F_SG;
9982 dev->features |= NETIF_F_HW_CSUM;
9983 if (bp->flags & USING_DAC_FLAG)
9984 dev->features |= NETIF_F_HIGHDMA;
9985#ifdef BCM_VLAN
9986 dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
9987#endif
9988 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735e2008-06-23 20:35:13 -07009989 dev->features |= NETIF_F_TSO6;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009990
9991 return 0;
9992
9993err_out_unmap:
9994 if (bp->regview) {
9995 iounmap(bp->regview);
9996 bp->regview = NULL;
9997 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009998 if (bp->doorbells) {
9999 iounmap(bp->doorbells);
10000 bp->doorbells = NULL;
10001 }
10002
10003err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010004 if (atomic_read(&pdev->enable_cnt) == 1)
10005 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010006
10007err_out_disable:
10008 pci_disable_device(pdev);
10009 pci_set_drvdata(pdev, NULL);
10010
10011err_out:
10012 return rc;
10013}
10014
Eliezer Tamir25047952008-02-28 11:50:16 -080010015static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp)
10016{
10017 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10018
10019 val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
10020 return val;
10021}
10022
10023/* return value of 1=2.5GHz 2=5GHz */
10024static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp)
10025{
10026 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10027
10028 val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
10029 return val;
10030}
10031
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010032static int __devinit bnx2x_init_one(struct pci_dev *pdev,
10033 const struct pci_device_id *ent)
10034{
10035 static int version_printed;
10036 struct net_device *dev = NULL;
10037 struct bnx2x *bp;
Eliezer Tamir25047952008-02-28 11:50:16 -080010038 int rc;
Eliezer Tamir25047952008-02-28 11:50:16 -080010039 DECLARE_MAC_BUF(mac);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010040
10041 if (version_printed++ == 0)
10042 printk(KERN_INFO "%s", version);
10043
10044 /* dev zeroed in init_etherdev */
10045 dev = alloc_etherdev(sizeof(*bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010046 if (!dev) {
10047 printk(KERN_ERR PFX "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010048 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010049 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010050
10051 netif_carrier_off(dev);
10052
10053 bp = netdev_priv(dev);
10054 bp->msglevel = debug;
10055
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010056 rc = bnx2x_init_dev(pdev, dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010057 if (rc < 0) {
10058 free_netdev(dev);
10059 return rc;
10060 }
10061
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010062 rc = register_netdev(dev);
10063 if (rc) {
Eliezer Tamirc14423f2008-02-28 11:49:42 -080010064 dev_err(&pdev->dev, "Cannot register net device\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010065 goto init_one_exit;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010066 }
10067
10068 pci_set_drvdata(pdev, dev);
10069
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010070 rc = bnx2x_init_bp(bp);
10071 if (rc) {
10072 unregister_netdev(dev);
10073 goto init_one_exit;
10074 }
10075
10076 bp->common.name = board_info[ent->driver_data].name;
Eliezer Tamir25047952008-02-28 11:50:16 -080010077 printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx,"
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010078 " IRQ %d, ", dev->name, bp->common.name,
10079 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
Eliezer Tamir25047952008-02-28 11:50:16 -080010080 bnx2x_get_pcie_width(bp),
10081 (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz",
10082 dev->base_addr, bp->pdev->irq);
10083 printk(KERN_CONT "node addr %s\n", print_mac(mac, dev->dev_addr));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010084 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010085
10086init_one_exit:
10087 if (bp->regview)
10088 iounmap(bp->regview);
10089
10090 if (bp->doorbells)
10091 iounmap(bp->doorbells);
10092
10093 free_netdev(dev);
10094
10095 if (atomic_read(&pdev->enable_cnt) == 1)
10096 pci_release_regions(pdev);
10097
10098 pci_disable_device(pdev);
10099 pci_set_drvdata(pdev, NULL);
10100
10101 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010102}
10103
10104static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
10105{
10106 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010107 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010108
Eliezer Tamir228241e2008-02-28 11:56:57 -080010109 if (!dev) {
Eliezer Tamir228241e2008-02-28 11:56:57 -080010110 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10111 return;
10112 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010113 bp = netdev_priv(dev);
10114
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010115 unregister_netdev(dev);
10116
10117 if (bp->regview)
10118 iounmap(bp->regview);
10119
10120 if (bp->doorbells)
10121 iounmap(bp->doorbells);
10122
10123 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010124
10125 if (atomic_read(&pdev->enable_cnt) == 1)
10126 pci_release_regions(pdev);
10127
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010128 pci_disable_device(pdev);
10129 pci_set_drvdata(pdev, NULL);
10130}
10131
10132static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
10133{
10134 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010135 struct bnx2x *bp;
10136
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010137 if (!dev) {
10138 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10139 return -ENODEV;
10140 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010141 bp = netdev_priv(dev);
10142
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010143 rtnl_lock();
10144
10145 pci_save_state(pdev);
10146
10147 if (!netif_running(dev)) {
10148 rtnl_unlock();
10149 return 0;
10150 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010151
10152 netif_device_detach(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010153
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010154 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
10155
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010156 bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
Eliezer Tamir228241e2008-02-28 11:56:57 -080010157
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010158 rtnl_unlock();
10159
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010160 return 0;
10161}
10162
10163static int bnx2x_resume(struct pci_dev *pdev)
10164{
10165 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010166 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010167 int rc;
10168
Eliezer Tamir228241e2008-02-28 11:56:57 -080010169 if (!dev) {
10170 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10171 return -ENODEV;
10172 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010173 bp = netdev_priv(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010174
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010175 rtnl_lock();
10176
Eliezer Tamir228241e2008-02-28 11:56:57 -080010177 pci_restore_state(pdev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010178
10179 if (!netif_running(dev)) {
10180 rtnl_unlock();
10181 return 0;
10182 }
10183
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010184 bnx2x_set_power_state(bp, PCI_D0);
10185 netif_device_attach(dev);
10186
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010187 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010188
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010189 rtnl_unlock();
10190
10191 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010192}
10193
Wendy Xiong493adb12008-06-23 20:36:22 -070010194/**
10195 * bnx2x_io_error_detected - called when PCI error is detected
10196 * @pdev: Pointer to PCI device
10197 * @state: The current pci connection state
10198 *
10199 * This function is called after a PCI bus error affecting
10200 * this device has been detected.
10201 */
10202static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
10203 pci_channel_state_t state)
10204{
10205 struct net_device *dev = pci_get_drvdata(pdev);
10206 struct bnx2x *bp = netdev_priv(dev);
10207
10208 rtnl_lock();
10209
10210 netif_device_detach(dev);
10211
10212 if (netif_running(dev))
10213 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
10214
10215 pci_disable_device(pdev);
10216
10217 rtnl_unlock();
10218
10219 /* Request a slot reset */
10220 return PCI_ERS_RESULT_NEED_RESET;
10221}
10222
10223/**
10224 * bnx2x_io_slot_reset - called after the PCI bus has been reset
10225 * @pdev: Pointer to PCI device
10226 *
10227 * Restart the card from scratch, as if from a cold-boot.
10228 */
10229static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
10230{
10231 struct net_device *dev = pci_get_drvdata(pdev);
10232 struct bnx2x *bp = netdev_priv(dev);
10233
10234 rtnl_lock();
10235
10236 if (pci_enable_device(pdev)) {
10237 dev_err(&pdev->dev,
10238 "Cannot re-enable PCI device after reset\n");
10239 rtnl_unlock();
10240 return PCI_ERS_RESULT_DISCONNECT;
10241 }
10242
10243 pci_set_master(pdev);
10244 pci_restore_state(pdev);
10245
10246 if (netif_running(dev))
10247 bnx2x_set_power_state(bp, PCI_D0);
10248
10249 rtnl_unlock();
10250
10251 return PCI_ERS_RESULT_RECOVERED;
10252}
10253
10254/**
10255 * bnx2x_io_resume - called when traffic can start flowing again
10256 * @pdev: Pointer to PCI device
10257 *
10258 * This callback is called when the error recovery driver tells us that
10259 * its OK to resume normal operation.
10260 */
10261static void bnx2x_io_resume(struct pci_dev *pdev)
10262{
10263 struct net_device *dev = pci_get_drvdata(pdev);
10264 struct bnx2x *bp = netdev_priv(dev);
10265
10266 rtnl_lock();
10267
10268 if (netif_running(dev))
10269 bnx2x_nic_load(bp, LOAD_OPEN);
10270
10271 netif_device_attach(dev);
10272
10273 rtnl_unlock();
10274}
10275
10276static struct pci_error_handlers bnx2x_err_handler = {
10277 .error_detected = bnx2x_io_error_detected,
10278 .slot_reset = bnx2x_io_slot_reset,
10279 .resume = bnx2x_io_resume,
10280};
10281
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010282static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070010283 .name = DRV_MODULE_NAME,
10284 .id_table = bnx2x_pci_tbl,
10285 .probe = bnx2x_init_one,
10286 .remove = __devexit_p(bnx2x_remove_one),
10287 .suspend = bnx2x_suspend,
10288 .resume = bnx2x_resume,
10289 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010290};
10291
10292static int __init bnx2x_init(void)
10293{
10294 return pci_register_driver(&bnx2x_pci_driver);
10295}
10296
10297static void __exit bnx2x_cleanup(void)
10298{
10299 pci_unregister_driver(&bnx2x_pci_driver);
10300}
10301
10302module_init(bnx2x_init);
10303module_exit(bnx2x_cleanup);
10304