blob: 3e86ff4f4d45be2f9902415c391627af259a6252 [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
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700504 bp->stats_state = STATS_STATE_DISABLED;
505 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
506
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200507 BNX2X_ERR("begin crash dump -----------------\n");
508
509 for_each_queue(bp, i) {
510 struct bnx2x_fastpath *fp = &bp->fp[i];
511 struct eth_tx_db_data *hw_prods = fp->hw_tx_prods;
512
513 BNX2X_ERR("queue[%d]: tx_pkt_prod(%x) tx_pkt_cons(%x)"
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700514 " tx_bd_prod(%x) tx_bd_cons(%x) *tx_cons_sb(%x)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200515 i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700516 fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700517 BNX2X_ERR(" rx_bd_prod(%x) rx_bd_cons(%x)"
518 " *rx_bd_cons_sb(%x) rx_comp_prod(%x)"
519 " rx_comp_cons(%x) *rx_cons_sb(%x)\n",
520 fp->rx_bd_prod, fp->rx_bd_cons,
521 le16_to_cpu(*fp->rx_bd_cons_sb), fp->rx_comp_prod,
522 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
523 BNX2X_ERR(" rx_sge_prod(%x) last_max_sge(%x)"
524 " fp_c_idx(%x) *sb_c_idx(%x) fp_u_idx(%x)"
525 " *sb_u_idx(%x) bd data(%x,%x)\n",
526 fp->rx_sge_prod, fp->last_max_sge, fp->fp_c_idx,
527 fp->status_blk->c_status_block.status_block_index,
528 fp->fp_u_idx,
529 fp->status_blk->u_status_block.status_block_index,
530 hw_prods->packets_prod, hw_prods->bds_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200531
532 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
533 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
534 for (j = start; j < end; j++) {
535 struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
536
537 BNX2X_ERR("packet[%x]=[%p,%x]\n", j,
538 sw_bd->skb, sw_bd->first_bd);
539 }
540
541 start = TX_BD(fp->tx_bd_cons - 10);
542 end = TX_BD(fp->tx_bd_cons + 254);
543 for (j = start; j < end; j++) {
544 u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
545
546 BNX2X_ERR("tx_bd[%x]=[%x:%x:%x:%x]\n",
547 j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
548 }
549
550 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
551 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
552 for (j = start; j < end; j++) {
553 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
554 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
555
556 BNX2X_ERR("rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700557 j, rx_bd[1], rx_bd[0], sw_bd->skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200558 }
559
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700560 start = 0;
561 end = RX_SGE_CNT*NUM_RX_SGE_PAGES;
562 for (j = start; j < end; j++) {
563 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
564 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
565
566 BNX2X_ERR("rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
567 j, rx_sge[1], rx_sge[0], sw_page->page);
568 }
569
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200570 start = RCQ_BD(fp->rx_comp_cons - 10);
571 end = RCQ_BD(fp->rx_comp_cons + 503);
572 for (j = start; j < end; j++) {
573 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
574
575 BNX2X_ERR("cqe[%x]=[%x:%x:%x:%x]\n",
576 j, cqe[0], cqe[1], cqe[2], cqe[3]);
577 }
578 }
579
Eliezer Tamir49d66772008-02-28 11:53:13 -0800580 BNX2X_ERR("def_c_idx(%u) def_u_idx(%u) def_x_idx(%u)"
581 " def_t_idx(%u) def_att_idx(%u) attn_state(%u)"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200582 " spq_prod_idx(%u)\n",
Eliezer Tamir49d66772008-02-28 11:53:13 -0800583 bp->def_c_idx, bp->def_u_idx, bp->def_x_idx, bp->def_t_idx,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200584 bp->def_att_idx, bp->attn_state, bp->spq_prod_idx);
585
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700586 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200587 bnx2x_mc_assert(bp);
588 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200589}
590
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800591static void bnx2x_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200592{
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700593 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200594 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
595 u32 val = REG_RD(bp, addr);
596 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
597
598 if (msix) {
599 val &= ~HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
600 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
601 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
602 } else {
603 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800604 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200605 HC_CONFIG_0_REG_INT_LINE_EN_0 |
606 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800607
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800608 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n",
609 val, port, addr, msix);
610
611 REG_WR(bp, addr, val);
612
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200613 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
614 }
615
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800616 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200617 val, port, addr, msix);
618
619 REG_WR(bp, addr, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700620
621 if (CHIP_IS_E1H(bp)) {
622 /* init leading/trailing edge */
623 if (IS_E1HMF(bp)) {
624 val = (0xfe0f | (1 << (BP_E1HVN(bp) + 4)));
625 if (bp->port.pmf)
626 /* enable nig attention */
627 val |= 0x0100;
628 } else
629 val = 0xffff;
630
631 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
632 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
633 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200634}
635
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800636static void bnx2x_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200637{
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700638 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200639 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
640 u32 val = REG_RD(bp, addr);
641
642 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
643 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
644 HC_CONFIG_0_REG_INT_LINE_EN_0 |
645 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
646
647 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
648 val, port, addr);
649
650 REG_WR(bp, addr, val);
651 if (REG_RD(bp, addr) != val)
652 BNX2X_ERR("BUG! proper val not read from IGU!\n");
653}
654
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800655static void bnx2x_int_disable_sync(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200656{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200657 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
658 int i;
659
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700660 /* disable interrupt handling */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200661 atomic_inc(&bp->intr_sem);
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800662 /* prevent the HW from sending interrupts */
Eliezer Tamir615f8fd2008-02-28 11:54:54 -0800663 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200664
665 /* make sure all ISRs are done */
666 if (msix) {
667 for_each_queue(bp, i)
668 synchronize_irq(bp->msix_table[i].vector);
669
670 /* one more for the Slow Path IRQ */
671 synchronize_irq(bp->msix_table[i].vector);
672 } else
673 synchronize_irq(bp->pdev->irq);
674
675 /* make sure sp_task is not running */
676 cancel_work_sync(&bp->sp_task);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200677}
678
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700679/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200680
681/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700682 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200683 */
684
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700685static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 sb_id,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200686 u8 storm, u16 index, u8 op, u8 update)
687{
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700688 u32 igu_addr = (IGU_ADDR_INT_ACK + IGU_FUNC_BASE * BP_FUNC(bp)) * 8;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200689 struct igu_ack_register igu_ack;
690
691 igu_ack.status_block_index = index;
692 igu_ack.sb_id_and_flags =
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700693 ((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200694 (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) |
695 (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) |
696 (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT));
697
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700698 DP(BNX2X_MSG_OFF, "write 0x%08x to IGU addr 0x%x\n",
699 (*(u32 *)&igu_ack), BAR_IGU_INTMEM + igu_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200700 REG_WR(bp, BAR_IGU_INTMEM + igu_addr, (*(u32 *)&igu_ack));
701}
702
703static inline u16 bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp)
704{
705 struct host_status_block *fpsb = fp->status_blk;
706 u16 rc = 0;
707
708 barrier(); /* status block is written to by the chip */
709 if (fp->fp_c_idx != fpsb->c_status_block.status_block_index) {
710 fp->fp_c_idx = fpsb->c_status_block.status_block_index;
711 rc |= 1;
712 }
713 if (fp->fp_u_idx != fpsb->u_status_block.status_block_index) {
714 fp->fp_u_idx = fpsb->u_status_block.status_block_index;
715 rc |= 2;
716 }
717 return rc;
718}
719
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200720static u16 bnx2x_ack_int(struct bnx2x *bp)
721{
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700722 u32 igu_addr = (IGU_ADDR_SIMD_MASK + IGU_FUNC_BASE * BP_FUNC(bp)) * 8;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200723 u32 result = REG_RD(bp, BAR_IGU_INTMEM + igu_addr);
724
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700725 DP(BNX2X_MSG_OFF, "read 0x%08x from IGU addr 0x%x\n",
726 result, BAR_IGU_INTMEM + igu_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200727
728#ifdef IGU_DEBUG
729#warning IGU_DEBUG active
730 if (result == 0) {
731 BNX2X_ERR("read %x from IGU\n", result);
732 REG_WR(bp, TM_REG_TIMER_SOFT_RST, 0);
733 }
734#endif
735 return result;
736}
737
738
739/*
740 * fast path service functions
741 */
742
743/* free skb in the packet ring at pos idx
744 * return idx of last bd freed
745 */
746static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp,
747 u16 idx)
748{
749 struct sw_tx_bd *tx_buf = &fp->tx_buf_ring[idx];
750 struct eth_tx_bd *tx_bd;
751 struct sk_buff *skb = tx_buf->skb;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700752 u16 bd_idx = TX_BD(tx_buf->first_bd), new_cons;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200753 int nbd;
754
755 DP(BNX2X_MSG_OFF, "pkt_idx %d buff @(%p)->skb %p\n",
756 idx, tx_buf, skb);
757
758 /* unmap first bd */
759 DP(BNX2X_MSG_OFF, "free bd_idx %d\n", bd_idx);
760 tx_bd = &fp->tx_desc_ring[bd_idx];
761 pci_unmap_single(bp->pdev, BD_UNMAP_ADDR(tx_bd),
762 BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
763
764 nbd = le16_to_cpu(tx_bd->nbd) - 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700765 new_cons = nbd + tx_buf->first_bd;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200766#ifdef BNX2X_STOP_ON_ERROR
767 if (nbd > (MAX_SKB_FRAGS + 2)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700768 BNX2X_ERR("BAD nbd!\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200769 bnx2x_panic();
770 }
771#endif
772
773 /* Skip a parse bd and the TSO split header bd
774 since they have no mapping */
775 if (nbd)
776 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
777
778 if (tx_bd->bd_flags.as_bitfield & (ETH_TX_BD_FLAGS_IP_CSUM |
779 ETH_TX_BD_FLAGS_TCP_CSUM |
780 ETH_TX_BD_FLAGS_SW_LSO)) {
781 if (--nbd)
782 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
783 tx_bd = &fp->tx_desc_ring[bd_idx];
784 /* is this a TSO split header bd? */
785 if (tx_bd->bd_flags.as_bitfield & ETH_TX_BD_FLAGS_SW_LSO) {
786 if (--nbd)
787 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
788 }
789 }
790
791 /* now free frags */
792 while (nbd > 0) {
793
794 DP(BNX2X_MSG_OFF, "free frag bd_idx %d\n", bd_idx);
795 tx_bd = &fp->tx_desc_ring[bd_idx];
796 pci_unmap_page(bp->pdev, BD_UNMAP_ADDR(tx_bd),
797 BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
798 if (--nbd)
799 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
800 }
801
802 /* release skb */
Ilpo Järvinen53e5e962008-07-25 21:40:45 -0700803 WARN_ON(!skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200804 dev_kfree_skb(skb);
805 tx_buf->first_bd = 0;
806 tx_buf->skb = NULL;
807
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700808 return new_cons;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200809}
810
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700811static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200812{
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700813 s16 used;
814 u16 prod;
815 u16 cons;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200816
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700817 barrier(); /* Tell compiler that prod and cons can change */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200818 prod = fp->tx_bd_prod;
819 cons = fp->tx_bd_cons;
820
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700821 /* NUM_TX_RINGS = number of "next-page" entries
822 It will be used as a threshold */
823 used = SUB_S16(prod, cons) + (s16)NUM_TX_RINGS;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200824
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700825#ifdef BNX2X_STOP_ON_ERROR
Ilpo Järvinen53e5e962008-07-25 21:40:45 -0700826 WARN_ON(used < 0);
827 WARN_ON(used > fp->bp->tx_ring_size);
828 WARN_ON((fp->bp->tx_ring_size - used) > MAX_TX_AVAIL);
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700829#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200830
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700831 return (s16)(fp->bp->tx_ring_size) - used;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200832}
833
834static void bnx2x_tx_int(struct bnx2x_fastpath *fp, int work)
835{
836 struct bnx2x *bp = fp->bp;
837 u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons;
838 int done = 0;
839
840#ifdef BNX2X_STOP_ON_ERROR
841 if (unlikely(bp->panic))
842 return;
843#endif
844
845 hw_cons = le16_to_cpu(*fp->tx_cons_sb);
846 sw_cons = fp->tx_pkt_cons;
847
848 while (sw_cons != hw_cons) {
849 u16 pkt_cons;
850
851 pkt_cons = TX_BD(sw_cons);
852
853 /* prefetch(bp->tx_buf_ring[pkt_cons].skb); */
854
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700855 DP(NETIF_MSG_TX_DONE, "hw_cons %u sw_cons %u pkt_cons %u\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200856 hw_cons, sw_cons, pkt_cons);
857
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700858/* if (NEXT_TX_IDX(sw_cons) != hw_cons) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200859 rmb();
860 prefetch(fp->tx_buf_ring[NEXT_TX_IDX(sw_cons)].skb);
861 }
862*/
863 bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons);
864 sw_cons++;
865 done++;
866
867 if (done == work)
868 break;
869 }
870
871 fp->tx_pkt_cons = sw_cons;
872 fp->tx_bd_cons = bd_cons;
873
874 /* Need to make the tx_cons update visible to start_xmit()
875 * before checking for netif_queue_stopped(). Without the
876 * memory barrier, there is a small possibility that start_xmit()
877 * will miss it and cause the queue to be stopped forever.
878 */
879 smp_mb();
880
881 /* TBD need a thresh? */
882 if (unlikely(netif_queue_stopped(bp->dev))) {
883
884 netif_tx_lock(bp->dev);
885
886 if (netif_queue_stopped(bp->dev) &&
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -0700887 (bp->state == BNX2X_STATE_OPEN) &&
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200888 (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3))
889 netif_wake_queue(bp->dev);
890
891 netif_tx_unlock(bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200892 }
893}
894
895static void bnx2x_sp_event(struct bnx2x_fastpath *fp,
896 union eth_rx_cqe *rr_cqe)
897{
898 struct bnx2x *bp = fp->bp;
899 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
900 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
901
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700902 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200903 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700904 FP_IDX(fp), cid, command, bp->state,
905 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200906
907 bp->spq_left++;
908
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700909 if (FP_IDX(fp)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200910 switch (command | fp->state) {
911 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP |
912 BNX2X_FP_STATE_OPENING):
913 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n",
914 cid);
915 fp->state = BNX2X_FP_STATE_OPEN;
916 break;
917
918 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
919 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n",
920 cid);
921 fp->state = BNX2X_FP_STATE_HALTED;
922 break;
923
924 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700925 BNX2X_ERR("unexpected MC reply (%d) "
926 "fp->state is %x\n", command, fp->state);
927 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200928 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700929 mb(); /* force bnx2x_wait_ramrod() to see the change */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200930 return;
931 }
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800932
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200933 switch (command | bp->state) {
934 case (RAMROD_CMD_ID_ETH_PORT_SETUP | BNX2X_STATE_OPENING_WAIT4_PORT):
935 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
936 bp->state = BNX2X_STATE_OPEN;
937 break;
938
939 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_STATE_CLOSING_WAIT4_HALT):
940 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
941 bp->state = BNX2X_STATE_CLOSING_WAIT4_DELETE;
942 fp->state = BNX2X_FP_STATE_HALTED;
943 break;
944
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200945 case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_CLOSING_WAIT4_HALT):
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700946 DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", cid);
Eliezer Tamir49d66772008-02-28 11:53:13 -0800947 bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200948 break;
949
950 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN):
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700951 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DIAG):
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200952 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -0700953 bp->set_mac_pending = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200954 break;
955
Eliezer Tamir49d66772008-02-28 11:53:13 -0800956 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT):
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700957 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
Eliezer Tamir49d66772008-02-28 11:53:13 -0800958 break;
959
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200960 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700961 BNX2X_ERR("unexpected MC reply (%d) bp->state is %x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200962 command, bp->state);
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700963 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200964 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700965 mb(); /* force bnx2x_wait_ramrod() to see the change */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200966}
967
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -0700968static inline void bnx2x_free_rx_sge(struct bnx2x *bp,
969 struct bnx2x_fastpath *fp, u16 index)
970{
971 struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
972 struct page *page = sw_buf->page;
973 struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
974
975 /* Skip "next page" elements */
976 if (!page)
977 return;
978
979 pci_unmap_page(bp->pdev, pci_unmap_addr(sw_buf, mapping),
980 BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
981 __free_pages(page, PAGES_PER_SGE_SHIFT);
982
983 sw_buf->page = NULL;
984 sge->addr_hi = 0;
985 sge->addr_lo = 0;
986}
987
988static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
989 struct bnx2x_fastpath *fp, int last)
990{
991 int i;
992
993 for (i = 0; i < last; i++)
994 bnx2x_free_rx_sge(bp, fp, i);
995}
996
997static inline int bnx2x_alloc_rx_sge(struct bnx2x *bp,
998 struct bnx2x_fastpath *fp, u16 index)
999{
1000 struct page *page = alloc_pages(GFP_ATOMIC, PAGES_PER_SGE_SHIFT);
1001 struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
1002 struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
1003 dma_addr_t mapping;
1004
1005 if (unlikely(page == NULL))
1006 return -ENOMEM;
1007
1008 mapping = pci_map_page(bp->pdev, page, 0, BCM_PAGE_SIZE*PAGES_PER_SGE,
1009 PCI_DMA_FROMDEVICE);
FUJITA Tomonori8d8bb392008-07-25 19:44:49 -07001010 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001011 __free_pages(page, PAGES_PER_SGE_SHIFT);
1012 return -ENOMEM;
1013 }
1014
1015 sw_buf->page = page;
1016 pci_unmap_addr_set(sw_buf, mapping, mapping);
1017
1018 sge->addr_hi = cpu_to_le32(U64_HI(mapping));
1019 sge->addr_lo = cpu_to_le32(U64_LO(mapping));
1020
1021 return 0;
1022}
1023
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001024static inline int bnx2x_alloc_rx_skb(struct bnx2x *bp,
1025 struct bnx2x_fastpath *fp, u16 index)
1026{
1027 struct sk_buff *skb;
1028 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index];
1029 struct eth_rx_bd *rx_bd = &fp->rx_desc_ring[index];
1030 dma_addr_t mapping;
1031
1032 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1033 if (unlikely(skb == NULL))
1034 return -ENOMEM;
1035
1036 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
1037 PCI_DMA_FROMDEVICE);
FUJITA Tomonori8d8bb392008-07-25 19:44:49 -07001038 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001039 dev_kfree_skb(skb);
1040 return -ENOMEM;
1041 }
1042
1043 rx_buf->skb = skb;
1044 pci_unmap_addr_set(rx_buf, mapping, mapping);
1045
1046 rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1047 rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1048
1049 return 0;
1050}
1051
1052/* note that we are not allocating a new skb,
1053 * we are just moving one from cons to prod
1054 * we are not creating a new mapping,
1055 * so there is no need to check for dma_mapping_error().
1056 */
1057static void bnx2x_reuse_rx_skb(struct bnx2x_fastpath *fp,
1058 struct sk_buff *skb, u16 cons, u16 prod)
1059{
1060 struct bnx2x *bp = fp->bp;
1061 struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1062 struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1063 struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons];
1064 struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1065
1066 pci_dma_sync_single_for_device(bp->pdev,
1067 pci_unmap_addr(cons_rx_buf, mapping),
1068 bp->rx_offset + RX_COPY_THRESH,
1069 PCI_DMA_FROMDEVICE);
1070
1071 prod_rx_buf->skb = cons_rx_buf->skb;
1072 pci_unmap_addr_set(prod_rx_buf, mapping,
1073 pci_unmap_addr(cons_rx_buf, mapping));
1074 *prod_bd = *cons_bd;
1075}
1076
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001077static inline void bnx2x_update_last_max_sge(struct bnx2x_fastpath *fp,
1078 u16 idx)
1079{
1080 u16 last_max = fp->last_max_sge;
1081
1082 if (SUB_S16(idx, last_max) > 0)
1083 fp->last_max_sge = idx;
1084}
1085
1086static void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp)
1087{
1088 int i, j;
1089
1090 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
1091 int idx = RX_SGE_CNT * i - 1;
1092
1093 for (j = 0; j < 2; j++) {
1094 SGE_MASK_CLEAR_BIT(fp, idx);
1095 idx--;
1096 }
1097 }
1098}
1099
1100static void bnx2x_update_sge_prod(struct bnx2x_fastpath *fp,
1101 struct eth_fast_path_rx_cqe *fp_cqe)
1102{
1103 struct bnx2x *bp = fp->bp;
1104 u16 sge_len = BCM_PAGE_ALIGN(le16_to_cpu(fp_cqe->pkt_len) -
1105 le16_to_cpu(fp_cqe->len_on_bd)) >>
1106 BCM_PAGE_SHIFT;
1107 u16 last_max, last_elem, first_elem;
1108 u16 delta = 0;
1109 u16 i;
1110
1111 if (!sge_len)
1112 return;
1113
1114 /* First mark all used pages */
1115 for (i = 0; i < sge_len; i++)
1116 SGE_MASK_CLEAR_BIT(fp, RX_SGE(le16_to_cpu(fp_cqe->sgl[i])));
1117
1118 DP(NETIF_MSG_RX_STATUS, "fp_cqe->sgl[%d] = %d\n",
1119 sge_len - 1, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1120
1121 /* Here we assume that the last SGE index is the biggest */
1122 prefetch((void *)(fp->sge_mask));
1123 bnx2x_update_last_max_sge(fp, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1124
1125 last_max = RX_SGE(fp->last_max_sge);
1126 last_elem = last_max >> RX_SGE_MASK_ELEM_SHIFT;
1127 first_elem = RX_SGE(fp->rx_sge_prod) >> RX_SGE_MASK_ELEM_SHIFT;
1128
1129 /* If ring is not full */
1130 if (last_elem + 1 != first_elem)
1131 last_elem++;
1132
1133 /* Now update the prod */
1134 for (i = first_elem; i != last_elem; i = NEXT_SGE_MASK_ELEM(i)) {
1135 if (likely(fp->sge_mask[i]))
1136 break;
1137
1138 fp->sge_mask[i] = RX_SGE_MASK_ELEM_ONE_MASK;
1139 delta += RX_SGE_MASK_ELEM_SZ;
1140 }
1141
1142 if (delta > 0) {
1143 fp->rx_sge_prod += delta;
1144 /* clear page-end entries */
1145 bnx2x_clear_sge_mask_next_elems(fp);
1146 }
1147
1148 DP(NETIF_MSG_RX_STATUS,
1149 "fp->last_max_sge = %d fp->rx_sge_prod = %d\n",
1150 fp->last_max_sge, fp->rx_sge_prod);
1151}
1152
1153static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp)
1154{
1155 /* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */
1156 memset(fp->sge_mask, 0xff,
1157 (NUM_RX_SGE >> RX_SGE_MASK_ELEM_SHIFT)*sizeof(u64));
1158
1159 /* Clear the two last indeces in the page to 1:
1160 these are the indeces that correspond to the "next" element,
1161 hence will never be indicated and should be removed from
1162 the calculations. */
1163 bnx2x_clear_sge_mask_next_elems(fp);
1164}
1165
1166static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue,
1167 struct sk_buff *skb, u16 cons, u16 prod)
1168{
1169 struct bnx2x *bp = fp->bp;
1170 struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1171 struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1172 struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1173 dma_addr_t mapping;
1174
1175 /* move empty skb from pool to prod and map it */
1176 prod_rx_buf->skb = fp->tpa_pool[queue].skb;
1177 mapping = pci_map_single(bp->pdev, fp->tpa_pool[queue].skb->data,
1178 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
1179 pci_unmap_addr_set(prod_rx_buf, mapping, mapping);
1180
1181 /* move partial skb from cons to pool (don't unmap yet) */
1182 fp->tpa_pool[queue] = *cons_rx_buf;
1183
1184 /* mark bin state as start - print error if current state != stop */
1185 if (fp->tpa_state[queue] != BNX2X_TPA_STOP)
1186 BNX2X_ERR("start of bin not in stop [%d]\n", queue);
1187
1188 fp->tpa_state[queue] = BNX2X_TPA_START;
1189
1190 /* point prod_bd to new skb */
1191 prod_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1192 prod_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1193
1194#ifdef BNX2X_STOP_ON_ERROR
1195 fp->tpa_queue_used |= (1 << queue);
1196#ifdef __powerpc64__
1197 DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%lx\n",
1198#else
1199 DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%llx\n",
1200#endif
1201 fp->tpa_queue_used);
1202#endif
1203}
1204
1205static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1206 struct sk_buff *skb,
1207 struct eth_fast_path_rx_cqe *fp_cqe,
1208 u16 cqe_idx)
1209{
1210 struct sw_rx_page *rx_pg, old_rx_pg;
1211 struct page *sge;
1212 u16 len_on_bd = le16_to_cpu(fp_cqe->len_on_bd);
1213 u32 i, frag_len, frag_size, pages;
1214 int err;
1215 int j;
1216
1217 frag_size = le16_to_cpu(fp_cqe->pkt_len) - len_on_bd;
1218 pages = BCM_PAGE_ALIGN(frag_size) >> BCM_PAGE_SHIFT;
1219
1220 /* This is needed in order to enable forwarding support */
1221 if (frag_size)
1222 skb_shinfo(skb)->gso_size = min((u32)BCM_PAGE_SIZE,
1223 max(frag_size, (u32)len_on_bd));
1224
1225#ifdef BNX2X_STOP_ON_ERROR
1226 if (pages > 8*PAGES_PER_SGE) {
1227 BNX2X_ERR("SGL length is too long: %d. CQE index is %d\n",
1228 pages, cqe_idx);
1229 BNX2X_ERR("fp_cqe->pkt_len = %d fp_cqe->len_on_bd = %d\n",
1230 fp_cqe->pkt_len, len_on_bd);
1231 bnx2x_panic();
1232 return -EINVAL;
1233 }
1234#endif
1235
1236 /* Run through the SGL and compose the fragmented skb */
1237 for (i = 0, j = 0; i < pages; i += PAGES_PER_SGE, j++) {
1238 u16 sge_idx = RX_SGE(le16_to_cpu(fp_cqe->sgl[j]));
1239
1240 /* FW gives the indices of the SGE as if the ring is an array
1241 (meaning that "next" element will consume 2 indices) */
1242 frag_len = min(frag_size, (u32)(BCM_PAGE_SIZE*PAGES_PER_SGE));
1243 rx_pg = &fp->rx_page_ring[sge_idx];
1244 sge = rx_pg->page;
1245 old_rx_pg = *rx_pg;
1246
1247 /* If we fail to allocate a substitute page, we simply stop
1248 where we are and drop the whole packet */
1249 err = bnx2x_alloc_rx_sge(bp, fp, sge_idx);
1250 if (unlikely(err)) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001251 bp->eth_stats.rx_skb_alloc_failed++;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001252 return err;
1253 }
1254
1255 /* Unmap the page as we r going to pass it to the stack */
1256 pci_unmap_page(bp->pdev, pci_unmap_addr(&old_rx_pg, mapping),
1257 BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
1258
1259 /* Add one frag and update the appropriate fields in the skb */
1260 skb_fill_page_desc(skb, j, old_rx_pg.page, 0, frag_len);
1261
1262 skb->data_len += frag_len;
1263 skb->truesize += frag_len;
1264 skb->len += frag_len;
1265
1266 frag_size -= frag_len;
1267 }
1268
1269 return 0;
1270}
1271
1272static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1273 u16 queue, int pad, int len, union eth_rx_cqe *cqe,
1274 u16 cqe_idx)
1275{
1276 struct sw_rx_bd *rx_buf = &fp->tpa_pool[queue];
1277 struct sk_buff *skb = rx_buf->skb;
1278 /* alloc new skb */
1279 struct sk_buff *new_skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1280
1281 /* Unmap skb in the pool anyway, as we are going to change
1282 pool entry status to BNX2X_TPA_STOP even if new skb allocation
1283 fails. */
1284 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
1285 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
1286
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001287 if (likely(new_skb)) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001288 /* fix ip xsum and give it to the stack */
1289 /* (no need to map the new skb) */
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001290
1291 prefetch(skb);
1292 prefetch(((char *)(skb)) + 128);
1293
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001294#ifdef BNX2X_STOP_ON_ERROR
1295 if (pad + len > bp->rx_buf_size) {
1296 BNX2X_ERR("skb_put is about to fail... "
1297 "pad %d len %d rx_buf_size %d\n",
1298 pad, len, bp->rx_buf_size);
1299 bnx2x_panic();
1300 return;
1301 }
1302#endif
1303
1304 skb_reserve(skb, pad);
1305 skb_put(skb, len);
1306
1307 skb->protocol = eth_type_trans(skb, bp->dev);
1308 skb->ip_summed = CHECKSUM_UNNECESSARY;
1309
1310 {
1311 struct iphdr *iph;
1312
1313 iph = (struct iphdr *)skb->data;
1314 iph->check = 0;
1315 iph->check = ip_fast_csum((u8 *)iph, iph->ihl);
1316 }
1317
1318 if (!bnx2x_fill_frag_skb(bp, fp, skb,
1319 &cqe->fast_path_cqe, cqe_idx)) {
1320#ifdef BCM_VLAN
1321 if ((bp->vlgrp != NULL) &&
1322 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1323 PARSING_FLAGS_VLAN))
1324 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1325 le16_to_cpu(cqe->fast_path_cqe.
1326 vlan_tag));
1327 else
1328#endif
1329 netif_receive_skb(skb);
1330 } else {
1331 DP(NETIF_MSG_RX_STATUS, "Failed to allocate new pages"
1332 " - dropping packet!\n");
1333 dev_kfree_skb(skb);
1334 }
1335
1336 bp->dev->last_rx = jiffies;
1337
1338 /* put new skb in bin */
1339 fp->tpa_pool[queue].skb = new_skb;
1340
1341 } else {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001342 /* else drop the packet and keep the buffer in the bin */
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001343 DP(NETIF_MSG_RX_STATUS,
1344 "Failed to allocate new skb - dropping packet!\n");
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001345 bp->eth_stats.rx_skb_alloc_failed++;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001346 }
1347
1348 fp->tpa_state[queue] = BNX2X_TPA_STOP;
1349}
1350
1351static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
1352 struct bnx2x_fastpath *fp,
1353 u16 bd_prod, u16 rx_comp_prod,
1354 u16 rx_sge_prod)
1355{
1356 struct tstorm_eth_rx_producers rx_prods = {0};
1357 int i;
1358
1359 /* Update producers */
1360 rx_prods.bd_prod = bd_prod;
1361 rx_prods.cqe_prod = rx_comp_prod;
1362 rx_prods.sge_prod = rx_sge_prod;
1363
1364 for (i = 0; i < sizeof(struct tstorm_eth_rx_producers)/4; i++)
1365 REG_WR(bp, BAR_TSTRORM_INTMEM +
1366 TSTORM_RX_PRODS_OFFSET(BP_PORT(bp), FP_CL_ID(fp)) + i*4,
1367 ((u32 *)&rx_prods)[i]);
1368
1369 DP(NETIF_MSG_RX_STATUS,
1370 "Wrote: bd_prod %u cqe_prod %u sge_prod %u\n",
1371 bd_prod, rx_comp_prod, rx_sge_prod);
1372}
1373
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001374static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
1375{
1376 struct bnx2x *bp = fp->bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001377 u16 bd_cons, bd_prod, bd_prod_fw, comp_ring_cons;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001378 u16 hw_comp_cons, sw_comp_cons, sw_comp_prod;
1379 int rx_pkt = 0;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001380 u16 queue;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001381
1382#ifdef BNX2X_STOP_ON_ERROR
1383 if (unlikely(bp->panic))
1384 return 0;
1385#endif
1386
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001387 /* CQ "next element" is of the size of the regular element,
1388 that's why it's ok here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001389 hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb);
1390 if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
1391 hw_comp_cons++;
1392
1393 bd_cons = fp->rx_bd_cons;
1394 bd_prod = fp->rx_bd_prod;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001395 bd_prod_fw = bd_prod;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001396 sw_comp_cons = fp->rx_comp_cons;
1397 sw_comp_prod = fp->rx_comp_prod;
1398
1399 /* Memory barrier necessary as speculative reads of the rx
1400 * buffer can be ahead of the index in the status block
1401 */
1402 rmb();
1403
1404 DP(NETIF_MSG_RX_STATUS,
1405 "queue[%d]: hw_comp_cons %u sw_comp_cons %u\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001406 FP_IDX(fp), hw_comp_cons, sw_comp_cons);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001407
1408 while (sw_comp_cons != hw_comp_cons) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001409 struct sw_rx_bd *rx_buf = NULL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001410 struct sk_buff *skb;
1411 union eth_rx_cqe *cqe;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001412 u8 cqe_fp_flags;
1413 u16 len, pad;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001414
1415 comp_ring_cons = RCQ_BD(sw_comp_cons);
1416 bd_prod = RX_BD(bd_prod);
1417 bd_cons = RX_BD(bd_cons);
1418
1419 cqe = &fp->rx_comp_ring[comp_ring_cons];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001420 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001421
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001422 DP(NETIF_MSG_RX_STATUS, "CQE type %x err %x status %x"
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001423 " queue %x vlan %x len %u\n", CQE_TYPE(cqe_fp_flags),
1424 cqe_fp_flags, cqe->fast_path_cqe.status_flags,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001425 cqe->fast_path_cqe.rss_hash_result,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001426 le16_to_cpu(cqe->fast_path_cqe.vlan_tag),
1427 le16_to_cpu(cqe->fast_path_cqe.pkt_len));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001428
1429 /* is this a slowpath msg? */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001430 if (unlikely(CQE_TYPE(cqe_fp_flags))) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001431 bnx2x_sp_event(fp, cqe);
1432 goto next_cqe;
1433
1434 /* this is an rx packet */
1435 } else {
1436 rx_buf = &fp->rx_buf_ring[bd_cons];
1437 skb = rx_buf->skb;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001438 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
1439 pad = cqe->fast_path_cqe.placement_offset;
1440
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001441 /* If CQE is marked both TPA_START and TPA_END
1442 it is a non-TPA CQE */
1443 if ((!fp->disable_tpa) &&
1444 (TPA_TYPE(cqe_fp_flags) !=
1445 (TPA_TYPE_START | TPA_TYPE_END))) {
1446 queue = cqe->fast_path_cqe.queue_index;
1447
1448 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_START) {
1449 DP(NETIF_MSG_RX_STATUS,
1450 "calling tpa_start on queue %d\n",
1451 queue);
1452
1453 bnx2x_tpa_start(fp, queue, skb,
1454 bd_cons, bd_prod);
1455 goto next_rx;
1456 }
1457
1458 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_END) {
1459 DP(NETIF_MSG_RX_STATUS,
1460 "calling tpa_stop on queue %d\n",
1461 queue);
1462
1463 if (!BNX2X_RX_SUM_FIX(cqe))
1464 BNX2X_ERR("STOP on none TCP "
1465 "data\n");
1466
1467 /* This is a size of the linear data
1468 on this skb */
1469 len = le16_to_cpu(cqe->fast_path_cqe.
1470 len_on_bd);
1471 bnx2x_tpa_stop(bp, fp, queue, pad,
1472 len, cqe, comp_ring_cons);
1473#ifdef BNX2X_STOP_ON_ERROR
1474 if (bp->panic)
1475 return -EINVAL;
1476#endif
1477
1478 bnx2x_update_sge_prod(fp,
1479 &cqe->fast_path_cqe);
1480 goto next_cqe;
1481 }
1482 }
1483
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001484 pci_dma_sync_single_for_device(bp->pdev,
1485 pci_unmap_addr(rx_buf, mapping),
1486 pad + RX_COPY_THRESH,
1487 PCI_DMA_FROMDEVICE);
1488 prefetch(skb);
1489 prefetch(((char *)(skb)) + 128);
1490
1491 /* is this an error packet? */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001492 if (unlikely(cqe_fp_flags & ETH_RX_ERROR_FALGS)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001493 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001494 "ERROR flags %x rx packet %u\n",
1495 cqe_fp_flags, sw_comp_cons);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001496 bp->eth_stats.rx_err_discard_pkt++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001497 goto reuse_rx;
1498 }
1499
1500 /* Since we don't have a jumbo ring
1501 * copy small packets if mtu > 1500
1502 */
1503 if ((bp->dev->mtu > ETH_MAX_PACKET_SIZE) &&
1504 (len <= RX_COPY_THRESH)) {
1505 struct sk_buff *new_skb;
1506
1507 new_skb = netdev_alloc_skb(bp->dev,
1508 len + pad);
1509 if (new_skb == NULL) {
1510 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001511 "ERROR packet dropped "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001512 "because of alloc failure\n");
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001513 bp->eth_stats.rx_skb_alloc_failed++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001514 goto reuse_rx;
1515 }
1516
1517 /* aligned copy */
1518 skb_copy_from_linear_data_offset(skb, pad,
1519 new_skb->data + pad, len);
1520 skb_reserve(new_skb, pad);
1521 skb_put(new_skb, len);
1522
1523 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1524
1525 skb = new_skb;
1526
1527 } else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) {
1528 pci_unmap_single(bp->pdev,
1529 pci_unmap_addr(rx_buf, mapping),
1530 bp->rx_buf_use_size,
1531 PCI_DMA_FROMDEVICE);
1532 skb_reserve(skb, pad);
1533 skb_put(skb, len);
1534
1535 } else {
1536 DP(NETIF_MSG_RX_ERR,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001537 "ERROR packet dropped because "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001538 "of alloc failure\n");
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001539 bp->eth_stats.rx_skb_alloc_failed++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001540reuse_rx:
1541 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1542 goto next_rx;
1543 }
1544
1545 skb->protocol = eth_type_trans(skb, bp->dev);
1546
1547 skb->ip_summed = CHECKSUM_NONE;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001548 if (bp->rx_csum) {
Eilon Greenstein1adcd8b2008-08-13 15:48:29 -07001549 if (likely(BNX2X_RX_CSUM_OK(cqe)))
1550 skb->ip_summed = CHECKSUM_UNNECESSARY;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07001551 else
1552 bp->eth_stats.hw_csum_err++;
1553 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001554 }
1555
1556#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001557 if ((bp->vlgrp != NULL) &&
1558 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1559 PARSING_FLAGS_VLAN))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001560 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1561 le16_to_cpu(cqe->fast_path_cqe.vlan_tag));
1562 else
1563#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001564 netif_receive_skb(skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001565
1566 bp->dev->last_rx = jiffies;
1567
1568next_rx:
1569 rx_buf->skb = NULL;
1570
1571 bd_cons = NEXT_RX_IDX(bd_cons);
1572 bd_prod = NEXT_RX_IDX(bd_prod);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001573 bd_prod_fw = NEXT_RX_IDX(bd_prod_fw);
1574 rx_pkt++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001575next_cqe:
1576 sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod);
1577 sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001578
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001579 if (rx_pkt == budget)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001580 break;
1581 } /* while */
1582
1583 fp->rx_bd_cons = bd_cons;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001584 fp->rx_bd_prod = bd_prod_fw;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001585 fp->rx_comp_cons = sw_comp_cons;
1586 fp->rx_comp_prod = sw_comp_prod;
1587
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001588 /* Update producers */
1589 bnx2x_update_rx_prod(bp, fp, bd_prod_fw, sw_comp_prod,
1590 fp->rx_sge_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001591 mmiowb(); /* keep prod updates ordered */
1592
1593 fp->rx_pkt += rx_pkt;
1594 fp->rx_calls++;
1595
1596 return rx_pkt;
1597}
1598
1599static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie)
1600{
1601 struct bnx2x_fastpath *fp = fp_cookie;
1602 struct bnx2x *bp = fp->bp;
1603 struct net_device *dev = bp->dev;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001604 int index = FP_IDX(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001605
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07001606 /* Return here if interrupt is disabled */
1607 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1608 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1609 return IRQ_HANDLED;
1610 }
1611
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001612 DP(BNX2X_MSG_FP, "got an MSI-X interrupt on IDX:SB [%d:%d]\n",
1613 index, FP_SB_ID(fp));
1614 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID, 0, IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001615
1616#ifdef BNX2X_STOP_ON_ERROR
1617 if (unlikely(bp->panic))
1618 return IRQ_HANDLED;
1619#endif
1620
1621 prefetch(fp->rx_cons_sb);
1622 prefetch(fp->tx_cons_sb);
1623 prefetch(&fp->status_blk->c_status_block.status_block_index);
1624 prefetch(&fp->status_blk->u_status_block.status_block_index);
1625
1626 netif_rx_schedule(dev, &bnx2x_fp(bp, index, napi));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001627
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001628 return IRQ_HANDLED;
1629}
1630
1631static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
1632{
1633 struct net_device *dev = dev_instance;
1634 struct bnx2x *bp = netdev_priv(dev);
1635 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001636 u16 mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001637
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001638 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001639 if (unlikely(status == 0)) {
1640 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1641 return IRQ_NONE;
1642 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001643 DP(NETIF_MSG_INTR, "got an interrupt status %u\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001644
1645#ifdef BNX2X_STOP_ON_ERROR
1646 if (unlikely(bp->panic))
1647 return IRQ_HANDLED;
1648#endif
1649
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001650 /* Return here if interrupt is disabled */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001651 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1652 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1653 return IRQ_HANDLED;
1654 }
1655
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001656 mask = 0x2 << bp->fp[0].sb_id;
1657 if (status & mask) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001658 struct bnx2x_fastpath *fp = &bp->fp[0];
1659
1660 prefetch(fp->rx_cons_sb);
1661 prefetch(fp->tx_cons_sb);
1662 prefetch(&fp->status_blk->c_status_block.status_block_index);
1663 prefetch(&fp->status_blk->u_status_block.status_block_index);
1664
1665 netif_rx_schedule(dev, &bnx2x_fp(bp, 0, napi));
1666
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001667 status &= ~mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001668 }
1669
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001670
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001671 if (unlikely(status & 0x1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001672 schedule_work(&bp->sp_task);
1673
1674 status &= ~0x1;
1675 if (!status)
1676 return IRQ_HANDLED;
1677 }
1678
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001679 if (status)
1680 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status %u)\n",
1681 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001682
1683 return IRQ_HANDLED;
1684}
1685
1686/* end of fast path */
1687
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07001688static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001689
1690/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001691
1692/*
1693 * General service functions
1694 */
1695
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001696static int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001697{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001698 u32 lock_status;
1699 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001700 int func = BP_FUNC(bp);
1701 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001702 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001703
1704 /* Validating that the resource is within range */
1705 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1706 DP(NETIF_MSG_HW,
1707 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1708 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1709 return -EINVAL;
1710 }
1711
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001712 if (func <= 5) {
1713 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1714 } else {
1715 hw_lock_control_reg =
1716 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1717 }
1718
Eliezer Tamirf1410642008-02-28 11:51:50 -08001719 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001720 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001721 if (lock_status & resource_bit) {
1722 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1723 lock_status, resource_bit);
1724 return -EEXIST;
1725 }
1726
1727 /* Try for 1 second every 5ms */
1728 for (cnt = 0; cnt < 200; cnt++) {
1729 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001730 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1731 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001732 if (lock_status & resource_bit)
1733 return 0;
1734
1735 msleep(5);
1736 }
1737 DP(NETIF_MSG_HW, "Timeout\n");
1738 return -EAGAIN;
1739}
1740
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001741static int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001742{
1743 u32 lock_status;
1744 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001745 int func = BP_FUNC(bp);
1746 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001747
1748 /* Validating that the resource is within range */
1749 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1750 DP(NETIF_MSG_HW,
1751 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1752 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1753 return -EINVAL;
1754 }
1755
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001756 if (func <= 5) {
1757 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1758 } else {
1759 hw_lock_control_reg =
1760 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1761 }
1762
Eliezer Tamirf1410642008-02-28 11:51:50 -08001763 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001764 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001765 if (!(lock_status & resource_bit)) {
1766 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1767 lock_status, resource_bit);
1768 return -EFAULT;
1769 }
1770
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001771 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001772 return 0;
1773}
1774
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001775/* HW Lock for shared dual port PHYs */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001776static void bnx2x_acquire_phy_lock(struct bnx2x *bp)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001777{
1778 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1779
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001780 mutex_lock(&bp->port.phy_mutex);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001781
1782 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1783 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001784 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001785}
1786
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001787static void bnx2x_release_phy_lock(struct bnx2x *bp)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001788{
1789 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1790
1791 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1792 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001793 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001794
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001795 mutex_unlock(&bp->port.phy_mutex);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001796}
1797
1798int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001799{
1800 /* The GPIO should be swapped if swap register is set and active */
1801 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001802 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ BP_PORT(bp);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001803 int gpio_shift = gpio_num +
1804 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1805 u32 gpio_mask = (1 << gpio_shift);
1806 u32 gpio_reg;
1807
1808 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1809 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1810 return -EINVAL;
1811 }
1812
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001813 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001814 /* read GPIO and mask except the float bits */
1815 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1816
1817 switch (mode) {
1818 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1819 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1820 gpio_num, gpio_shift);
1821 /* clear FLOAT and set CLR */
1822 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1823 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1824 break;
1825
1826 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1827 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1828 gpio_num, gpio_shift);
1829 /* clear FLOAT and set SET */
1830 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1831 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1832 break;
1833
1834 case MISC_REGISTERS_GPIO_INPUT_HI_Z :
1835 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1836 gpio_num, gpio_shift);
1837 /* set FLOAT */
1838 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1839 break;
1840
1841 default:
1842 break;
1843 }
1844
1845 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001846 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001847
1848 return 0;
1849}
1850
1851static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1852{
1853 u32 spio_mask = (1 << spio_num);
1854 u32 spio_reg;
1855
1856 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1857 (spio_num > MISC_REGISTERS_SPIO_7)) {
1858 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1859 return -EINVAL;
1860 }
1861
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001862 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001863 /* read SPIO and mask except the float bits */
1864 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1865
1866 switch (mode) {
1867 case MISC_REGISTERS_SPIO_OUTPUT_LOW :
1868 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1869 /* clear FLOAT and set CLR */
1870 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1871 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1872 break;
1873
1874 case MISC_REGISTERS_SPIO_OUTPUT_HIGH :
1875 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1876 /* clear FLOAT and set SET */
1877 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1878 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1879 break;
1880
1881 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1882 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1883 /* set FLOAT */
1884 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1885 break;
1886
1887 default:
1888 break;
1889 }
1890
1891 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001892 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001893
1894 return 0;
1895}
1896
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001897static void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001898{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001899 switch (bp->link_vars.ieee_fc) {
1900 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
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;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001904 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001905 bp->port.advertising |= (ADVERTISED_Asym_Pause |
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001906 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001907 break;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001908 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001909 bp->port.advertising |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001910 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001911 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001912 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001913 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001914 break;
1915 }
1916}
1917
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001918static void bnx2x_link_report(struct bnx2x *bp)
1919{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001920 if (bp->link_vars.link_up) {
1921 if (bp->state == BNX2X_STATE_OPEN)
1922 netif_carrier_on(bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001923 printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
1924
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001925 printk("%d Mbps ", bp->link_vars.line_speed);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001926
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001927 if (bp->link_vars.duplex == DUPLEX_FULL)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001928 printk("full duplex");
1929 else
1930 printk("half duplex");
1931
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001932 if (bp->link_vars.flow_ctrl != FLOW_CTRL_NONE) {
1933 if (bp->link_vars.flow_ctrl & FLOW_CTRL_RX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001934 printk(", receive ");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001935 if (bp->link_vars.flow_ctrl & FLOW_CTRL_TX)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001936 printk("& transmit ");
1937 } else {
1938 printk(", transmit ");
1939 }
1940 printk("flow control ON");
1941 }
1942 printk("\n");
1943
1944 } else { /* link_down */
1945 netif_carrier_off(bp->dev);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001946 printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001947 }
1948}
1949
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001950static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001951{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001952 if (!BP_NOMCP(bp)) {
1953 u8 rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001954
Eilon Greenstein19680c42008-08-13 15:47:33 -07001955 /* Initialize link parameters structure variables */
1956 bp->link_params.mtu = bp->dev->mtu;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001957
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001958 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001959 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001960 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001961
Eilon Greenstein19680c42008-08-13 15:47:33 -07001962 if (bp->link_vars.link_up)
1963 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001964
Eilon Greenstein19680c42008-08-13 15:47:33 -07001965 bnx2x_calc_fc_adv(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001966
Eilon Greenstein19680c42008-08-13 15:47:33 -07001967 return rc;
1968 }
1969 BNX2X_ERR("Bootcode is missing -not initializing link\n");
1970 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001971}
1972
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001973static void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001974{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001975 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001976 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001977 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001978 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001979
Eilon Greenstein19680c42008-08-13 15:47:33 -07001980 bnx2x_calc_fc_adv(bp);
1981 } else
1982 BNX2X_ERR("Bootcode is missing -not setting link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001983}
1984
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001985static void bnx2x__link_reset(struct bnx2x *bp)
1986{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001987 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001988 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001989 bnx2x_link_reset(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001990 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001991 } else
1992 BNX2X_ERR("Bootcode is missing -not resetting link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001993}
1994
1995static u8 bnx2x_link_test(struct bnx2x *bp)
1996{
1997 u8 rc;
1998
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001999 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002000 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002001 bnx2x_release_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002002
2003 return rc;
2004}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002005
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002006/* Calculates the sum of vn_min_rates.
2007 It's needed for further normalizing of the min_rates.
2008
2009 Returns:
2010 sum of vn_min_rates
2011 or
2012 0 - if all the min_rates are 0.
2013 In the later case fainess algorithm should be deactivated.
2014 If not all min_rates are zero then those that are zeroes will
2015 be set to 1.
2016 */
2017static u32 bnx2x_calc_vn_wsum(struct bnx2x *bp)
2018{
2019 int i, port = BP_PORT(bp);
2020 u32 wsum = 0;
2021 int all_zero = 1;
2022
2023 for (i = 0; i < E1HVN_MAX; i++) {
2024 u32 vn_cfg =
2025 SHMEM_RD(bp, mf_cfg.func_mf_config[2*i + port].config);
2026 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2027 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2028 if (!(vn_cfg & FUNC_MF_CFG_FUNC_HIDE)) {
2029 /* If min rate is zero - set it to 1 */
2030 if (!vn_min_rate)
2031 vn_min_rate = DEF_MIN_RATE;
2032 else
2033 all_zero = 0;
2034
2035 wsum += vn_min_rate;
2036 }
2037 }
2038
2039 /* ... only if all min rates are zeros - disable FAIRNESS */
2040 if (all_zero)
2041 return 0;
2042
2043 return wsum;
2044}
2045
2046static void bnx2x_init_port_minmax(struct bnx2x *bp,
2047 int en_fness,
2048 u16 port_rate,
2049 struct cmng_struct_per_port *m_cmng_port)
2050{
2051 u32 r_param = port_rate / 8;
2052 int port = BP_PORT(bp);
2053 int i;
2054
2055 memset(m_cmng_port, 0, sizeof(struct cmng_struct_per_port));
2056
2057 /* Enable minmax only if we are in e1hmf mode */
2058 if (IS_E1HMF(bp)) {
2059 u32 fair_periodic_timeout_usec;
2060 u32 t_fair;
2061
2062 /* Enable rate shaping and fairness */
2063 m_cmng_port->flags.cmng_vn_enable = 1;
2064 m_cmng_port->flags.fairness_enable = en_fness ? 1 : 0;
2065 m_cmng_port->flags.rate_shaping_enable = 1;
2066
2067 if (!en_fness)
2068 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2069 " fairness will be disabled\n");
2070
2071 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
2072 m_cmng_port->rs_vars.rs_periodic_timeout =
2073 RS_PERIODIC_TIMEOUT_USEC / 4;
2074
2075 /* this is the threshold below which no timer arming will occur
2076 1.25 coefficient is for the threshold to be a little bigger
2077 than the real time, to compensate for timer in-accuracy */
2078 m_cmng_port->rs_vars.rs_threshold =
2079 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
2080
2081 /* resolution of fairness timer */
2082 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
2083 /* for 10G it is 1000usec. for 1G it is 10000usec. */
2084 t_fair = T_FAIR_COEF / port_rate;
2085
2086 /* this is the threshold below which we won't arm
2087 the timer anymore */
2088 m_cmng_port->fair_vars.fair_threshold = QM_ARB_BYTES;
2089
2090 /* we multiply by 1e3/8 to get bytes/msec.
2091 We don't want the credits to pass a credit
2092 of the T_FAIR*FAIR_MEM (algorithm resolution) */
2093 m_cmng_port->fair_vars.upper_bound =
2094 r_param * t_fair * FAIR_MEM;
2095 /* since each tick is 4 usec */
2096 m_cmng_port->fair_vars.fairness_timeout =
2097 fair_periodic_timeout_usec / 4;
2098
2099 } else {
2100 /* Disable rate shaping and fairness */
2101 m_cmng_port->flags.cmng_vn_enable = 0;
2102 m_cmng_port->flags.fairness_enable = 0;
2103 m_cmng_port->flags.rate_shaping_enable = 0;
2104
2105 DP(NETIF_MSG_IFUP,
2106 "Single function mode minmax will be disabled\n");
2107 }
2108
2109 /* Store it to internal memory */
2110 for (i = 0; i < sizeof(struct cmng_struct_per_port) / 4; i++)
2111 REG_WR(bp, BAR_XSTRORM_INTMEM +
2112 XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i * 4,
2113 ((u32 *)(m_cmng_port))[i]);
2114}
2115
2116static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func,
2117 u32 wsum, u16 port_rate,
2118 struct cmng_struct_per_port *m_cmng_port)
2119{
2120 struct rate_shaping_vars_per_vn m_rs_vn;
2121 struct fairness_vars_per_vn m_fair_vn;
2122 u32 vn_cfg = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
2123 u16 vn_min_rate, vn_max_rate;
2124 int i;
2125
2126 /* If function is hidden - set min and max to zeroes */
2127 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
2128 vn_min_rate = 0;
2129 vn_max_rate = 0;
2130
2131 } else {
2132 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
2133 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
2134 /* If FAIRNESS is enabled (not all min rates are zeroes) and
2135 if current min rate is zero - set it to 1.
2136 This is a requirment of the algorithm. */
2137 if ((vn_min_rate == 0) && wsum)
2138 vn_min_rate = DEF_MIN_RATE;
2139 vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
2140 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
2141 }
2142
2143 DP(NETIF_MSG_IFUP, "func %d: vn_min_rate=%d vn_max_rate=%d "
2144 "wsum=%d\n", func, vn_min_rate, vn_max_rate, wsum);
2145
2146 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
2147 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
2148
2149 /* global vn counter - maximal Mbps for this vn */
2150 m_rs_vn.vn_counter.rate = vn_max_rate;
2151
2152 /* quota - number of bytes transmitted in this period */
2153 m_rs_vn.vn_counter.quota =
2154 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2155
2156#ifdef BNX2X_PER_PROT_QOS
2157 /* per protocol counter */
2158 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++) {
2159 /* maximal Mbps for this protocol */
2160 m_rs_vn.protocol_counters[protocol].rate =
2161 protocol_max_rate[protocol];
2162 /* the quota in each timer period -
2163 number of bytes transmitted in this period */
2164 m_rs_vn.protocol_counters[protocol].quota =
2165 (u32)(rs_periodic_timeout_usec *
2166 ((double)m_rs_vn.
2167 protocol_counters[protocol].rate/8));
2168 }
2169#endif
2170
2171 if (wsum) {
2172 /* credit for each period of the fairness algorithm:
2173 number of bytes in T_FAIR (the vn share the port rate).
2174 wsum should not be larger than 10000, thus
2175 T_FAIR_COEF / (8 * wsum) will always be grater than zero */
2176 m_fair_vn.vn_credit_delta =
2177 max((u64)(vn_min_rate * (T_FAIR_COEF / (8 * wsum))),
2178 (u64)(m_cmng_port->fair_vars.fair_threshold * 2));
2179 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta=%d\n",
2180 m_fair_vn.vn_credit_delta);
2181 }
2182
2183#ifdef BNX2X_PER_PROT_QOS
2184 do {
2185 u32 protocolWeightSum = 0;
2186
2187 for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++)
2188 protocolWeightSum +=
2189 drvInit.protocol_min_rate[protocol];
2190 /* per protocol counter -
2191 NOT NEEDED IF NO PER-PROTOCOL CONGESTION MANAGEMENT */
2192 if (protocolWeightSum > 0) {
2193 for (protocol = 0;
2194 protocol < NUM_OF_PROTOCOLS; protocol++)
2195 /* credit for each period of the
2196 fairness algorithm - number of bytes in
2197 T_FAIR (the protocol share the vn rate) */
2198 m_fair_vn.protocol_credit_delta[protocol] =
2199 (u32)((vn_min_rate / 8) * t_fair *
2200 protocol_min_rate / protocolWeightSum);
2201 }
2202 } while (0);
2203#endif
2204
2205 /* Store it to internal memory */
2206 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2207 REG_WR(bp, BAR_XSTRORM_INTMEM +
2208 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2209 ((u32 *)(&m_rs_vn))[i]);
2210
2211 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2212 REG_WR(bp, BAR_XSTRORM_INTMEM +
2213 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2214 ((u32 *)(&m_fair_vn))[i]);
2215}
2216
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002217/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002218static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002219{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002220 int vn;
2221
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002222 /* Make sure that we are synced with the current statistics */
2223 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2224
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002225 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002226 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002227 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002228
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002229 if (bp->link_vars.link_up) {
2230
2231 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2232 struct host_port_stats *pstats;
2233
2234 pstats = bnx2x_sp(bp, port_stats);
2235 /* reset old bmac stats */
2236 memset(&(pstats->mac_stx[0]), 0,
2237 sizeof(struct mac_stx));
2238 }
2239 if ((bp->state == BNX2X_STATE_OPEN) ||
2240 (bp->state == BNX2X_STATE_DISABLED))
2241 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2242 }
2243
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002244 /* indicate link status */
2245 bnx2x_link_report(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002246
2247 if (IS_E1HMF(bp)) {
2248 int func;
2249
2250 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2251 if (vn == BP_E1HVN(bp))
2252 continue;
2253
2254 func = ((vn << 1) | BP_PORT(bp));
2255
2256 /* Set the attention towards other drivers
2257 on the same port */
2258 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2259 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2260 }
2261 }
2262
2263 if (CHIP_IS_E1H(bp) && (bp->link_vars.line_speed > 0)) {
2264 struct cmng_struct_per_port m_cmng_port;
2265 u32 wsum;
2266 int port = BP_PORT(bp);
2267
2268 /* Init RATE SHAPING and FAIRNESS contexts */
2269 wsum = bnx2x_calc_vn_wsum(bp);
2270 bnx2x_init_port_minmax(bp, (int)wsum,
2271 bp->link_vars.line_speed,
2272 &m_cmng_port);
2273 if (IS_E1HMF(bp))
2274 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2275 bnx2x_init_vn_minmax(bp, 2*vn + port,
2276 wsum, bp->link_vars.line_speed,
2277 &m_cmng_port);
2278 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002279}
2280
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002281static void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002282{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002283 if (bp->state != BNX2X_STATE_OPEN)
2284 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002285
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002286 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2287
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002288 if (bp->link_vars.link_up)
2289 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2290 else
2291 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2292
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002293 /* indicate link status */
2294 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002295}
2296
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002297static void bnx2x_pmf_update(struct bnx2x *bp)
2298{
2299 int port = BP_PORT(bp);
2300 u32 val;
2301
2302 bp->port.pmf = 1;
2303 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2304
2305 /* enable nig attention */
2306 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
2307 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2308 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002309
2310 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002311}
2312
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002313/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002314
2315/* slow path */
2316
2317/*
2318 * General service functions
2319 */
2320
2321/* the slow path queue is odd since completions arrive on the fastpath ring */
2322static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
2323 u32 data_hi, u32 data_lo, int common)
2324{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002325 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002326
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002327 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
2328 "SPQE (%x:%x) command %d hw_cid %x data (%x:%x) left %x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002329 (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) +
2330 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
2331 HW_CID(bp, cid), data_hi, data_lo, bp->spq_left);
2332
2333#ifdef BNX2X_STOP_ON_ERROR
2334 if (unlikely(bp->panic))
2335 return -EIO;
2336#endif
2337
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002338 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002339
2340 if (!bp->spq_left) {
2341 BNX2X_ERR("BUG! SPQ ring full!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002342 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002343 bnx2x_panic();
2344 return -EBUSY;
2345 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08002346
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002347 /* CID needs port number to be encoded int it */
2348 bp->spq_prod_bd->hdr.conn_and_cmd_data =
2349 cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) |
2350 HW_CID(bp, cid)));
2351 bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE);
2352 if (common)
2353 bp->spq_prod_bd->hdr.type |=
2354 cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT));
2355
2356 bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi);
2357 bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo);
2358
2359 bp->spq_left--;
2360
2361 if (bp->spq_prod_bd == bp->spq_last_bd) {
2362 bp->spq_prod_bd = bp->spq;
2363 bp->spq_prod_idx = 0;
2364 DP(NETIF_MSG_TIMER, "end of spq\n");
2365
2366 } else {
2367 bp->spq_prod_bd++;
2368 bp->spq_prod_idx++;
2369 }
2370
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002371 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002372 bp->spq_prod_idx);
2373
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002374 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002375 return 0;
2376}
2377
2378/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002379static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002380{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002381 u32 i, j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002382 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002383
2384 might_sleep();
2385 i = 100;
2386 for (j = 0; j < i*10; j++) {
2387 val = (1UL << 31);
2388 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2389 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2390 if (val & (1L << 31))
2391 break;
2392
2393 msleep(5);
2394 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002395 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07002396 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002397 rc = -EBUSY;
2398 }
2399
2400 return rc;
2401}
2402
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002403/* release split MCP access lock register */
2404static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002405{
2406 u32 val = 0;
2407
2408 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2409}
2410
2411static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2412{
2413 struct host_def_status_block *def_sb = bp->def_status_blk;
2414 u16 rc = 0;
2415
2416 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002417 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2418 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
2419 rc |= 1;
2420 }
2421 if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) {
2422 bp->def_c_idx = def_sb->c_def_status_block.status_block_index;
2423 rc |= 2;
2424 }
2425 if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) {
2426 bp->def_u_idx = def_sb->u_def_status_block.status_block_index;
2427 rc |= 4;
2428 }
2429 if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) {
2430 bp->def_x_idx = def_sb->x_def_status_block.status_block_index;
2431 rc |= 8;
2432 }
2433 if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) {
2434 bp->def_t_idx = def_sb->t_def_status_block.status_block_index;
2435 rc |= 16;
2436 }
2437 return rc;
2438}
2439
2440/*
2441 * slow path service functions
2442 */
2443
2444static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2445{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002446 int port = BP_PORT(bp);
2447 int func = BP_FUNC(bp);
2448 u32 igu_addr = (IGU_ADDR_ATTN_BITS_SET + IGU_FUNC_BASE * func) * 8;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002449 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2450 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002451 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2452 NIG_REG_MASK_INTERRUPT_PORT0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002453
2454 if (~bp->aeu_mask & (asserted & 0xff))
2455 BNX2X_ERR("IGU ERROR\n");
2456 if (bp->attn_state & asserted)
2457 BNX2X_ERR("IGU ERROR\n");
2458
2459 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
2460 bp->aeu_mask, asserted);
2461 bp->aeu_mask &= ~(asserted & 0xff);
2462 DP(NETIF_MSG_HW, "after masking: aeu_mask %x\n", bp->aeu_mask);
2463
2464 REG_WR(bp, aeu_addr, bp->aeu_mask);
2465
2466 bp->attn_state |= asserted;
2467
2468 if (asserted & ATTN_HARD_WIRED_MASK) {
2469 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002470
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002471 /* save nig interrupt mask */
2472 bp->nig_mask = REG_RD(bp, nig_int_mask_addr);
2473 REG_WR(bp, nig_int_mask_addr, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002474
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002475 bnx2x_link_attn(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002476
2477 /* handle unicore attn? */
2478 }
2479 if (asserted & ATTN_SW_TIMER_4_FUNC)
2480 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2481
2482 if (asserted & GPIO_2_FUNC)
2483 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2484
2485 if (asserted & GPIO_3_FUNC)
2486 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2487
2488 if (asserted & GPIO_4_FUNC)
2489 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2490
2491 if (port == 0) {
2492 if (asserted & ATTN_GENERAL_ATTN_1) {
2493 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2494 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2495 }
2496 if (asserted & ATTN_GENERAL_ATTN_2) {
2497 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2498 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2499 }
2500 if (asserted & ATTN_GENERAL_ATTN_3) {
2501 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2502 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2503 }
2504 } else {
2505 if (asserted & ATTN_GENERAL_ATTN_4) {
2506 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2507 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2508 }
2509 if (asserted & ATTN_GENERAL_ATTN_5) {
2510 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2511 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2512 }
2513 if (asserted & ATTN_GENERAL_ATTN_6) {
2514 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2515 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2516 }
2517 }
2518
2519 } /* if hardwired */
2520
2521 DP(NETIF_MSG_HW, "about to mask 0x%08x at IGU addr 0x%x\n",
2522 asserted, BAR_IGU_INTMEM + igu_addr);
2523 REG_WR(bp, BAR_IGU_INTMEM + igu_addr, asserted);
2524
2525 /* now set back the mask */
2526 if (asserted & ATTN_NIG_FOR_FUNC)
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002527 REG_WR(bp, nig_int_mask_addr, bp->nig_mask);
2528}
2529
2530static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2531{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002532 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002533 int reg_offset;
2534 u32 val;
2535
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002536 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2537 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002538
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002539 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002540
2541 val = REG_RD(bp, reg_offset);
2542 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2543 REG_WR(bp, reg_offset, val);
2544
2545 BNX2X_ERR("SPIO5 hw attention\n");
2546
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002547 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002548 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
2549 /* Fan failure attention */
2550
2551 /* The PHY reset is controled by GPIO 1 */
2552 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
2553 MISC_REGISTERS_GPIO_OUTPUT_LOW);
2554 /* Low power mode is controled by GPIO 2 */
2555 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
2556 MISC_REGISTERS_GPIO_OUTPUT_LOW);
2557 /* mark the failure */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002558 bp->link_params.ext_phy_config &=
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002559 ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002560 bp->link_params.ext_phy_config |=
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002561 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
2562 SHMEM_WR(bp,
2563 dev_info.port_hw_config[port].
2564 external_phy_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002565 bp->link_params.ext_phy_config);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002566 /* log the failure */
2567 printk(KERN_ERR PFX "Fan Failure on Network"
2568 " Controller %s has caused the driver to"
2569 " shutdown the card to prevent permanent"
2570 " damage. Please contact Dell Support for"
2571 " assistance\n", bp->dev->name);
2572 break;
2573
2574 default:
2575 break;
2576 }
2577 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002578
2579 if (attn & HW_INTERRUT_ASSERT_SET_0) {
2580
2581 val = REG_RD(bp, reg_offset);
2582 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
2583 REG_WR(bp, reg_offset, val);
2584
2585 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
2586 (attn & HW_INTERRUT_ASSERT_SET_0));
2587 bnx2x_panic();
2588 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002589}
2590
2591static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
2592{
2593 u32 val;
2594
2595 if (attn & BNX2X_DOORQ_ASSERT) {
2596
2597 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
2598 BNX2X_ERR("DB hw attention 0x%x\n", val);
2599 /* DORQ discard attention */
2600 if (val & 0x2)
2601 BNX2X_ERR("FATAL error from DORQ\n");
2602 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002603
2604 if (attn & HW_INTERRUT_ASSERT_SET_1) {
2605
2606 int port = BP_PORT(bp);
2607 int reg_offset;
2608
2609 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
2610 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
2611
2612 val = REG_RD(bp, reg_offset);
2613 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
2614 REG_WR(bp, reg_offset, val);
2615
2616 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
2617 (attn & HW_INTERRUT_ASSERT_SET_1));
2618 bnx2x_panic();
2619 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002620}
2621
2622static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
2623{
2624 u32 val;
2625
2626 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
2627
2628 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
2629 BNX2X_ERR("CFC hw attention 0x%x\n", val);
2630 /* CFC error attention */
2631 if (val & 0x2)
2632 BNX2X_ERR("FATAL error from CFC\n");
2633 }
2634
2635 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
2636
2637 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
2638 BNX2X_ERR("PXP hw attention 0x%x\n", val);
2639 /* RQ_USDMDP_FIFO_OVERFLOW */
2640 if (val & 0x18000)
2641 BNX2X_ERR("FATAL error from PXP\n");
2642 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002643
2644 if (attn & HW_INTERRUT_ASSERT_SET_2) {
2645
2646 int port = BP_PORT(bp);
2647 int reg_offset;
2648
2649 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
2650 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
2651
2652 val = REG_RD(bp, reg_offset);
2653 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
2654 REG_WR(bp, reg_offset, val);
2655
2656 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
2657 (attn & HW_INTERRUT_ASSERT_SET_2));
2658 bnx2x_panic();
2659 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002660}
2661
2662static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
2663{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002664 u32 val;
2665
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002666 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
2667
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002668 if (attn & BNX2X_PMF_LINK_ASSERT) {
2669 int func = BP_FUNC(bp);
2670
2671 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
2672 bnx2x__link_status_update(bp);
2673 if (SHMEM_RD(bp, func_mb[func].drv_status) &
2674 DRV_STATUS_PMF)
2675 bnx2x_pmf_update(bp);
2676
2677 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002678
2679 BNX2X_ERR("MC assert!\n");
2680 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
2681 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
2682 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
2683 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
2684 bnx2x_panic();
2685
2686 } else if (attn & BNX2X_MCP_ASSERT) {
2687
2688 BNX2X_ERR("MCP assert!\n");
2689 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002690 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002691
2692 } else
2693 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
2694 }
2695
2696 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002697 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
2698 if (attn & BNX2X_GRC_TIMEOUT) {
2699 val = CHIP_IS_E1H(bp) ?
2700 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN) : 0;
2701 BNX2X_ERR("GRC time-out 0x%08x\n", val);
2702 }
2703 if (attn & BNX2X_GRC_RSV) {
2704 val = CHIP_IS_E1H(bp) ?
2705 REG_RD(bp, MISC_REG_GRC_RSV_ATTN) : 0;
2706 BNX2X_ERR("GRC reserved 0x%08x\n", val);
2707 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002708 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002709 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002710}
2711
2712static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
2713{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002714 struct attn_route attn;
2715 struct attn_route group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002716 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002717 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002718 u32 reg_addr;
2719 u32 val;
2720
2721 /* need to take HW lock because MCP or other port might also
2722 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002723 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002724
2725 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
2726 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
2727 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
2728 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002729 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x\n",
2730 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002731
2732 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
2733 if (deasserted & (1 << index)) {
2734 group_mask = bp->attn_group[index];
2735
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002736 DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x\n",
2737 index, group_mask.sig[0], group_mask.sig[1],
2738 group_mask.sig[2], group_mask.sig[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002739
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002740 bnx2x_attn_int_deasserted3(bp,
2741 attn.sig[3] & group_mask.sig[3]);
2742 bnx2x_attn_int_deasserted1(bp,
2743 attn.sig[1] & group_mask.sig[1]);
2744 bnx2x_attn_int_deasserted2(bp,
2745 attn.sig[2] & group_mask.sig[2]);
2746 bnx2x_attn_int_deasserted0(bp,
2747 attn.sig[0] & group_mask.sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002748
2749 if ((attn.sig[0] & group_mask.sig[0] &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002750 HW_PRTY_ASSERT_SET_0) ||
2751 (attn.sig[1] & group_mask.sig[1] &
2752 HW_PRTY_ASSERT_SET_1) ||
2753 (attn.sig[2] & group_mask.sig[2] &
2754 HW_PRTY_ASSERT_SET_2))
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002755 BNX2X_ERR("FATAL HW block parity attention\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002756 }
2757 }
2758
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002759 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002760
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002761 reg_addr = (IGU_ADDR_ATTN_BITS_CLR + IGU_FUNC_BASE * BP_FUNC(bp)) * 8;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002762
2763 val = ~deasserted;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002764/* DP(NETIF_MSG_INTR, "write 0x%08x to IGU addr 0x%x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002765 val, BAR_IGU_INTMEM + reg_addr); */
2766 REG_WR(bp, BAR_IGU_INTMEM + reg_addr, val);
2767
2768 if (bp->aeu_mask & (deasserted & 0xff))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002769 BNX2X_ERR("IGU BUG!\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002770 if (~bp->attn_state & deasserted)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002771 BNX2X_ERR("IGU BUG!\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002772
2773 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2774 MISC_REG_AEU_MASK_ATTN_FUNC_0;
2775
2776 DP(NETIF_MSG_HW, "aeu_mask %x\n", bp->aeu_mask);
2777 bp->aeu_mask |= (deasserted & 0xff);
2778
2779 DP(NETIF_MSG_HW, "new mask %x\n", bp->aeu_mask);
2780 REG_WR(bp, reg_addr, bp->aeu_mask);
2781
2782 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2783 bp->attn_state &= ~deasserted;
2784 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2785}
2786
2787static void bnx2x_attn_int(struct bnx2x *bp)
2788{
2789 /* read local copy of bits */
2790 u32 attn_bits = bp->def_status_blk->atten_status_block.attn_bits;
2791 u32 attn_ack = bp->def_status_blk->atten_status_block.attn_bits_ack;
2792 u32 attn_state = bp->attn_state;
2793
2794 /* look for changed bits */
2795 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
2796 u32 deasserted = ~attn_bits & attn_ack & attn_state;
2797
2798 DP(NETIF_MSG_HW,
2799 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
2800 attn_bits, attn_ack, asserted, deasserted);
2801
2802 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002803 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002804
2805 /* handle bits that were raised */
2806 if (asserted)
2807 bnx2x_attn_int_asserted(bp, asserted);
2808
2809 if (deasserted)
2810 bnx2x_attn_int_deasserted(bp, deasserted);
2811}
2812
2813static void bnx2x_sp_task(struct work_struct *work)
2814{
2815 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task);
2816 u16 status;
2817
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002818
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002819 /* Return here if interrupt is disabled */
2820 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002821 DP(BNX2X_MSG_SP, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002822 return;
2823 }
2824
2825 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002826/* if (status == 0) */
2827/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002828
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002829 DP(BNX2X_MSG_SP, "got a slowpath interrupt (updated %x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002830
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002831 /* HW attentions */
2832 if (status & 0x1)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002833 bnx2x_attn_int(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002834
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002835 /* CStorm events: query_stats, port delete ramrod */
2836 if (status & 0x2)
2837 bp->stats_pending = 0;
2838
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002839 bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, bp->def_att_idx,
2840 IGU_INT_NOP, 1);
2841 bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx),
2842 IGU_INT_NOP, 1);
2843 bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx),
2844 IGU_INT_NOP, 1);
2845 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx),
2846 IGU_INT_NOP, 1);
2847 bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx),
2848 IGU_INT_ENABLE, 1);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002849
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002850}
2851
2852static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
2853{
2854 struct net_device *dev = dev_instance;
2855 struct bnx2x *bp = netdev_priv(dev);
2856
2857 /* Return here if interrupt is disabled */
2858 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002859 DP(BNX2X_MSG_SP, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002860 return IRQ_HANDLED;
2861 }
2862
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002863 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, 0, IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002864
2865#ifdef BNX2X_STOP_ON_ERROR
2866 if (unlikely(bp->panic))
2867 return IRQ_HANDLED;
2868#endif
2869
2870 schedule_work(&bp->sp_task);
2871
2872 return IRQ_HANDLED;
2873}
2874
2875/* end of slow path */
2876
2877/* Statistics */
2878
2879/****************************************************************************
2880* Macros
2881****************************************************************************/
2882
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002883/* sum[hi:lo] += add[hi:lo] */
2884#define ADD_64(s_hi, a_hi, s_lo, a_lo) \
2885 do { \
2886 s_lo += a_lo; \
2887 s_hi += a_hi + (s_lo < a_lo) ? 1 : 0; \
2888 } while (0)
2889
2890/* difference = minuend - subtrahend */
2891#define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
2892 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002893 if (m_lo < s_lo) { \
2894 /* underflow */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002895 d_hi = m_hi - s_hi; \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002896 if (d_hi > 0) { \
2897 /* we can 'loan' 1 */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002898 d_hi--; \
2899 d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002900 } else { \
2901 /* m_hi <= s_hi */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002902 d_hi = 0; \
2903 d_lo = 0; \
2904 } \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002905 } else { \
2906 /* m_lo >= s_lo */ \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002907 if (m_hi < s_hi) { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002908 d_hi = 0; \
2909 d_lo = 0; \
2910 } else { \
2911 /* m_hi >= s_hi */ \
2912 d_hi = m_hi - s_hi; \
2913 d_lo = m_lo - s_lo; \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002914 } \
2915 } \
2916 } while (0)
2917
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002918#define UPDATE_STAT64(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, pstats->mac_stx[0].t##_hi, \
2921 diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
2922 pstats->mac_stx[0].t##_hi = new->s##_hi; \
2923 pstats->mac_stx[0].t##_lo = new->s##_lo; \
2924 ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
2925 pstats->mac_stx[1].t##_lo, diff.lo); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002926 } while (0)
2927
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002928#define UPDATE_STAT64_NIG(s, t) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002929 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002930 DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
2931 diff.lo, new->s##_lo, old->s##_lo); \
2932 ADD_64(estats->t##_hi, diff.hi, \
2933 estats->t##_lo, diff.lo); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002934 } while (0)
2935
2936/* sum[hi:lo] += add */
2937#define ADD_EXTEND_64(s_hi, s_lo, a) \
2938 do { \
2939 s_lo += a; \
2940 s_hi += (s_lo < a) ? 1 : 0; \
2941 } while (0)
2942
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002943#define UPDATE_EXTEND_STAT(s) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002944 do { \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002945 ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
2946 pstats->mac_stx[1].s##_lo, \
2947 new->s); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002948 } while (0)
2949
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002950#define UPDATE_EXTEND_TSTAT(s, t) \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002951 do { \
2952 diff = le32_to_cpu(tclient->s) - old_tclient->s; \
2953 old_tclient->s = le32_to_cpu(tclient->s); \
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002954 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
2955 } while (0)
2956
2957#define UPDATE_EXTEND_XSTAT(s, t) \
2958 do { \
2959 diff = le32_to_cpu(xclient->s) - old_xclient->s; \
2960 old_xclient->s = le32_to_cpu(xclient->s); \
2961 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002962 } while (0)
2963
2964/*
2965 * General service functions
2966 */
2967
2968static inline long bnx2x_hilo(u32 *hiref)
2969{
2970 u32 lo = *(hiref + 1);
2971#if (BITS_PER_LONG == 64)
2972 u32 hi = *hiref;
2973
2974 return HILO_U64(hi, lo);
2975#else
2976 return lo;
2977#endif
2978}
2979
2980/*
2981 * Init service functions
2982 */
2983
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002984static void bnx2x_storm_stats_post(struct bnx2x *bp)
2985{
2986 if (!bp->stats_pending) {
2987 struct eth_query_ramrod_data ramrod_data = {0};
2988 int rc;
2989
2990 ramrod_data.drv_counter = bp->stats_counter++;
2991 ramrod_data.collect_port_1b = bp->port.pmf ? 1 : 0;
2992 ramrod_data.ctr_id_vector = (1 << BP_CL_ID(bp));
2993
2994 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0,
2995 ((u32 *)&ramrod_data)[1],
2996 ((u32 *)&ramrod_data)[0], 0);
2997 if (rc == 0) {
2998 /* stats ramrod has it's own slot on the spq */
2999 bp->spq_left++;
3000 bp->stats_pending = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003001 }
3002 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003003}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003004
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003005static void bnx2x_stats_init(struct bnx2x *bp)
3006{
3007 int port = BP_PORT(bp);
3008
3009 bp->executer_idx = 0;
3010 bp->stats_counter = 0;
3011
3012 /* port stats */
3013 if (!BP_NOMCP(bp))
3014 bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
3015 else
3016 bp->port.port_stx = 0;
3017 DP(BNX2X_MSG_STATS, "port_stx 0x%x\n", bp->port.port_stx);
3018
3019 memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
3020 bp->port.old_nig_stats.brb_discard =
3021 REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003022 bp->port.old_nig_stats.brb_truncate =
3023 REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003024 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
3025 &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
3026 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
3027 &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
3028
3029 /* function stats */
3030 memset(&bp->dev->stats, 0, sizeof(struct net_device_stats));
3031 memset(&bp->old_tclient, 0, sizeof(struct tstorm_per_client_stats));
3032 memset(&bp->old_xclient, 0, sizeof(struct xstorm_per_client_stats));
3033 memset(&bp->eth_stats, 0, sizeof(struct bnx2x_eth_stats));
3034
3035 bp->stats_state = STATS_STATE_DISABLED;
3036 if (IS_E1HMF(bp) && bp->port.pmf && bp->port.port_stx)
3037 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
3038}
3039
3040static void bnx2x_hw_stats_post(struct bnx2x *bp)
3041{
3042 struct dmae_command *dmae = &bp->stats_dmae;
3043 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3044
3045 *stats_comp = DMAE_COMP_VAL;
3046
3047 /* loader */
3048 if (bp->executer_idx) {
3049 int loader_idx = PMF_DMAE_C(bp);
3050
3051 memset(dmae, 0, sizeof(struct dmae_command));
3052
3053 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3054 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3055 DMAE_CMD_DST_RESET |
3056#ifdef __BIG_ENDIAN
3057 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3058#else
3059 DMAE_CMD_ENDIANITY_DW_SWAP |
3060#endif
3061 (BP_PORT(bp) ? DMAE_CMD_PORT_1 :
3062 DMAE_CMD_PORT_0) |
3063 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3064 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
3065 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
3066 dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
3067 sizeof(struct dmae_command) *
3068 (loader_idx + 1)) >> 2;
3069 dmae->dst_addr_hi = 0;
3070 dmae->len = sizeof(struct dmae_command) >> 2;
3071 if (CHIP_IS_E1(bp))
3072 dmae->len--;
3073 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
3074 dmae->comp_addr_hi = 0;
3075 dmae->comp_val = 1;
3076
3077 *stats_comp = 0;
3078 bnx2x_post_dmae(bp, dmae, loader_idx);
3079
3080 } else if (bp->func_stx) {
3081 *stats_comp = 0;
3082 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
3083 }
3084}
3085
3086static int bnx2x_stats_comp(struct bnx2x *bp)
3087{
3088 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3089 int cnt = 10;
3090
3091 might_sleep();
3092 while (*stats_comp != DMAE_COMP_VAL) {
3093 msleep(1);
3094 if (!cnt) {
3095 BNX2X_ERR("timeout waiting for stats finished\n");
3096 break;
3097 }
3098 cnt--;
3099 }
3100 return 1;
3101}
3102
3103/*
3104 * Statistics service functions
3105 */
3106
3107static void bnx2x_stats_pmf_update(struct bnx2x *bp)
3108{
3109 struct dmae_command *dmae;
3110 u32 opcode;
3111 int loader_idx = PMF_DMAE_C(bp);
3112 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3113
3114 /* sanity */
3115 if (!IS_E1HMF(bp) || !bp->port.pmf || !bp->port.port_stx) {
3116 BNX2X_ERR("BUG!\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003117 return;
3118 }
3119
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003120 bp->executer_idx = 0;
3121
3122 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3123 DMAE_CMD_C_ENABLE |
3124 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3125#ifdef __BIG_ENDIAN
3126 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3127#else
3128 DMAE_CMD_ENDIANITY_DW_SWAP |
3129#endif
3130 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3131 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3132
3133 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3134 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3135 dmae->src_addr_lo = bp->port.port_stx >> 2;
3136 dmae->src_addr_hi = 0;
3137 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3138 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3139 dmae->len = DMAE_LEN32_RD_MAX;
3140 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3141 dmae->comp_addr_hi = 0;
3142 dmae->comp_val = 1;
3143
3144 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3145 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3146 dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
3147 dmae->src_addr_hi = 0;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003148 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
3149 DMAE_LEN32_RD_MAX * 4);
3150 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
3151 DMAE_LEN32_RD_MAX * 4);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003152 dmae->len = (sizeof(struct host_port_stats) >> 2) - DMAE_LEN32_RD_MAX;
3153 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3154 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3155 dmae->comp_val = DMAE_COMP_VAL;
3156
3157 *stats_comp = 0;
3158 bnx2x_hw_stats_post(bp);
3159 bnx2x_stats_comp(bp);
3160}
3161
3162static void bnx2x_port_stats_init(struct bnx2x *bp)
3163{
3164 struct dmae_command *dmae;
3165 int port = BP_PORT(bp);
3166 int vn = BP_E1HVN(bp);
3167 u32 opcode;
3168 int loader_idx = PMF_DMAE_C(bp);
3169 u32 mac_addr;
3170 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3171
3172 /* sanity */
3173 if (!bp->link_vars.link_up || !bp->port.pmf) {
3174 BNX2X_ERR("BUG!\n");
3175 return;
3176 }
3177
3178 bp->executer_idx = 0;
3179
3180 /* MCP */
3181 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3182 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3183 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3184#ifdef __BIG_ENDIAN
3185 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3186#else
3187 DMAE_CMD_ENDIANITY_DW_SWAP |
3188#endif
3189 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3190 (vn << DMAE_CMD_E1HVN_SHIFT));
3191
3192 if (bp->port.port_stx) {
3193
3194 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3195 dmae->opcode = opcode;
3196 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3197 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3198 dmae->dst_addr_lo = bp->port.port_stx >> 2;
3199 dmae->dst_addr_hi = 0;
3200 dmae->len = sizeof(struct host_port_stats) >> 2;
3201 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3202 dmae->comp_addr_hi = 0;
3203 dmae->comp_val = 1;
3204 }
3205
3206 if (bp->func_stx) {
3207
3208 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3209 dmae->opcode = opcode;
3210 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3211 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3212 dmae->dst_addr_lo = bp->func_stx >> 2;
3213 dmae->dst_addr_hi = 0;
3214 dmae->len = sizeof(struct host_func_stats) >> 2;
3215 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3216 dmae->comp_addr_hi = 0;
3217 dmae->comp_val = 1;
3218 }
3219
3220 /* MAC */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003221 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3222 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3223 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3224#ifdef __BIG_ENDIAN
3225 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3226#else
3227 DMAE_CMD_ENDIANITY_DW_SWAP |
3228#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003229 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3230 (vn << DMAE_CMD_E1HVN_SHIFT));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003231
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07003232 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003233
3234 mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
3235 NIG_REG_INGRESS_BMAC0_MEM);
3236
3237 /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
3238 BIGMAC_REGISTER_TX_STAT_GTBYT */
3239 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3240 dmae->opcode = opcode;
3241 dmae->src_addr_lo = (mac_addr +
3242 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3243 dmae->src_addr_hi = 0;
3244 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3245 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3246 dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
3247 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3248 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3249 dmae->comp_addr_hi = 0;
3250 dmae->comp_val = 1;
3251
3252 /* BIGMAC_REGISTER_RX_STAT_GR64 ..
3253 BIGMAC_REGISTER_RX_STAT_GRIPJ */
3254 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3255 dmae->opcode = opcode;
3256 dmae->src_addr_lo = (mac_addr +
3257 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3258 dmae->src_addr_hi = 0;
3259 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003260 offsetof(struct bmac_stats, rx_stat_gr64_lo));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003261 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003262 offsetof(struct bmac_stats, rx_stat_gr64_lo));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003263 dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
3264 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3265 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3266 dmae->comp_addr_hi = 0;
3267 dmae->comp_val = 1;
3268
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07003269 } else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003270
3271 mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
3272
3273 /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
3274 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3275 dmae->opcode = opcode;
3276 dmae->src_addr_lo = (mac_addr +
3277 EMAC_REG_EMAC_RX_STAT_AC) >> 2;
3278 dmae->src_addr_hi = 0;
3279 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3280 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3281 dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
3282 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3283 dmae->comp_addr_hi = 0;
3284 dmae->comp_val = 1;
3285
3286 /* EMAC_REG_EMAC_RX_STAT_AC_28 */
3287 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3288 dmae->opcode = opcode;
3289 dmae->src_addr_lo = (mac_addr +
3290 EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
3291 dmae->src_addr_hi = 0;
3292 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003293 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003294 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003295 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003296 dmae->len = 1;
3297 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3298 dmae->comp_addr_hi = 0;
3299 dmae->comp_val = 1;
3300
3301 /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
3302 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3303 dmae->opcode = opcode;
3304 dmae->src_addr_lo = (mac_addr +
3305 EMAC_REG_EMAC_TX_STAT_AC) >> 2;
3306 dmae->src_addr_hi = 0;
3307 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003308 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003309 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003310 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003311 dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
3312 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3313 dmae->comp_addr_hi = 0;
3314 dmae->comp_val = 1;
3315 }
3316
3317 /* NIG */
3318 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003319 dmae->opcode = opcode;
3320 dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
3321 NIG_REG_STAT0_BRB_DISCARD) >> 2;
3322 dmae->src_addr_hi = 0;
3323 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
3324 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
3325 dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
3326 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3327 dmae->comp_addr_hi = 0;
3328 dmae->comp_val = 1;
3329
3330 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3331 dmae->opcode = opcode;
3332 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
3333 NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
3334 dmae->src_addr_hi = 0;
3335 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3336 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3337 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3338 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3339 dmae->len = (2*sizeof(u32)) >> 2;
3340 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3341 dmae->comp_addr_hi = 0;
3342 dmae->comp_val = 1;
3343
3344 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003345 dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3346 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3347 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3348#ifdef __BIG_ENDIAN
3349 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3350#else
3351 DMAE_CMD_ENDIANITY_DW_SWAP |
3352#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003353 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3354 (vn << DMAE_CMD_E1HVN_SHIFT));
3355 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
3356 NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003357 dmae->src_addr_hi = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003358 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3359 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3360 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3361 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3362 dmae->len = (2*sizeof(u32)) >> 2;
3363 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3364 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3365 dmae->comp_val = DMAE_COMP_VAL;
3366
3367 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003368}
3369
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003370static void bnx2x_func_stats_init(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003371{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003372 struct dmae_command *dmae = &bp->stats_dmae;
3373 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003374
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003375 /* sanity */
3376 if (!bp->func_stx) {
3377 BNX2X_ERR("BUG!\n");
3378 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003379 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003380
3381 bp->executer_idx = 0;
3382 memset(dmae, 0, sizeof(struct dmae_command));
3383
3384 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3385 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3386 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3387#ifdef __BIG_ENDIAN
3388 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3389#else
3390 DMAE_CMD_ENDIANITY_DW_SWAP |
3391#endif
3392 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3393 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3394 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3395 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3396 dmae->dst_addr_lo = bp->func_stx >> 2;
3397 dmae->dst_addr_hi = 0;
3398 dmae->len = sizeof(struct host_func_stats) >> 2;
3399 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3400 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3401 dmae->comp_val = DMAE_COMP_VAL;
3402
3403 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003404}
3405
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003406static void bnx2x_stats_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003407{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003408 if (bp->port.pmf)
3409 bnx2x_port_stats_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003410
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003411 else if (bp->func_stx)
3412 bnx2x_func_stats_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003413
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003414 bnx2x_hw_stats_post(bp);
3415 bnx2x_storm_stats_post(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003416}
3417
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003418static void bnx2x_stats_pmf_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003419{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003420 bnx2x_stats_comp(bp);
3421 bnx2x_stats_pmf_update(bp);
3422 bnx2x_stats_start(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003423}
3424
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003425static void bnx2x_stats_restart(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003426{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003427 bnx2x_stats_comp(bp);
3428 bnx2x_stats_start(bp);
3429}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003430
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003431static void bnx2x_bmac_stats_update(struct bnx2x *bp)
3432{
3433 struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac_stats);
3434 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3435 struct regpair diff;
3436
3437 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
3438 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
3439 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
3440 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
3441 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
3442 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003443 UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003444 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
3445 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffpauseframesreceived);
3446 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
3447 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
3448 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
3449 UPDATE_STAT64(tx_stat_gt127,
3450 tx_stat_etherstatspkts65octetsto127octets);
3451 UPDATE_STAT64(tx_stat_gt255,
3452 tx_stat_etherstatspkts128octetsto255octets);
3453 UPDATE_STAT64(tx_stat_gt511,
3454 tx_stat_etherstatspkts256octetsto511octets);
3455 UPDATE_STAT64(tx_stat_gt1023,
3456 tx_stat_etherstatspkts512octetsto1023octets);
3457 UPDATE_STAT64(tx_stat_gt1518,
3458 tx_stat_etherstatspkts1024octetsto1522octets);
3459 UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047);
3460 UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095);
3461 UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216);
3462 UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383);
3463 UPDATE_STAT64(tx_stat_gterr,
3464 tx_stat_dot3statsinternalmactransmiterrors);
3465 UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl);
3466}
3467
3468static void bnx2x_emac_stats_update(struct bnx2x *bp)
3469{
3470 struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
3471 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3472
3473 UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
3474 UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
3475 UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
3476 UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
3477 UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
3478 UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
3479 UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
3480 UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
3481 UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
3482 UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
3483 UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
3484 UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
3485 UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
3486 UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
3487 UPDATE_EXTEND_STAT(tx_stat_outxonsent);
3488 UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
3489 UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
3490 UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
3491 UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
3492 UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
3493 UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
3494 UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
3495 UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
3496 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
3497 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
3498 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
3499 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
3500 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
3501 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
3502 UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
3503 UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
3504}
3505
3506static int bnx2x_hw_stats_update(struct bnx2x *bp)
3507{
3508 struct nig_stats *new = bnx2x_sp(bp, nig_stats);
3509 struct nig_stats *old = &(bp->port.old_nig_stats);
3510 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3511 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3512 struct regpair diff;
3513
3514 if (bp->link_vars.mac_type == MAC_TYPE_BMAC)
3515 bnx2x_bmac_stats_update(bp);
3516
3517 else if (bp->link_vars.mac_type == MAC_TYPE_EMAC)
3518 bnx2x_emac_stats_update(bp);
3519
3520 else { /* unreached */
3521 BNX2X_ERR("stats updated by dmae but no MAC active\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003522 return -1;
3523 }
3524
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003525 ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
3526 new->brb_discard - old->brb_discard);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003527 ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
3528 new->brb_truncate - old->brb_truncate);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003529
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003530 UPDATE_STAT64_NIG(egress_mac_pkt0,
3531 etherstatspkts1024octetsto1522octets);
3532 UPDATE_STAT64_NIG(egress_mac_pkt1, etherstatspktsover1522octets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003533
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003534 memcpy(old, new, sizeof(struct nig_stats));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003535
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003536 memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
3537 sizeof(struct mac_stx));
3538 estats->brb_drop_hi = pstats->brb_drop_hi;
3539 estats->brb_drop_lo = pstats->brb_drop_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003540
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003541 pstats->host_port_stats_start = ++pstats->host_port_stats_end;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003542
3543 return 0;
3544}
3545
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003546static int bnx2x_storm_stats_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003547{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003548 struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
3549 int cl_id = BP_CL_ID(bp);
3550 struct tstorm_per_port_stats *tport =
3551 &stats->tstorm_common.port_statistics;
3552 struct tstorm_per_client_stats *tclient =
3553 &stats->tstorm_common.client_statistics[cl_id];
3554 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3555 struct xstorm_per_client_stats *xclient =
3556 &stats->xstorm_common.client_statistics[cl_id];
3557 struct xstorm_per_client_stats *old_xclient = &bp->old_xclient;
3558 struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
3559 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3560 u32 diff;
3561
3562 /* are storm stats valid? */
3563 if ((u16)(le16_to_cpu(tclient->stats_counter) + 1) !=
3564 bp->stats_counter) {
3565 DP(BNX2X_MSG_STATS, "stats not updated by tstorm"
3566 " tstorm counter (%d) != stats_counter (%d)\n",
3567 tclient->stats_counter, bp->stats_counter);
3568 return -1;
3569 }
3570 if ((u16)(le16_to_cpu(xclient->stats_counter) + 1) !=
3571 bp->stats_counter) {
3572 DP(BNX2X_MSG_STATS, "stats not updated by xstorm"
3573 " xstorm counter (%d) != stats_counter (%d)\n",
3574 xclient->stats_counter, bp->stats_counter);
3575 return -2;
3576 }
3577
3578 fstats->total_bytes_received_hi =
3579 fstats->valid_bytes_received_hi =
3580 le32_to_cpu(tclient->total_rcv_bytes.hi);
3581 fstats->total_bytes_received_lo =
3582 fstats->valid_bytes_received_lo =
3583 le32_to_cpu(tclient->total_rcv_bytes.lo);
3584
3585 estats->error_bytes_received_hi =
3586 le32_to_cpu(tclient->rcv_error_bytes.hi);
3587 estats->error_bytes_received_lo =
3588 le32_to_cpu(tclient->rcv_error_bytes.lo);
3589 ADD_64(estats->error_bytes_received_hi,
3590 estats->rx_stat_ifhcinbadoctets_hi,
3591 estats->error_bytes_received_lo,
3592 estats->rx_stat_ifhcinbadoctets_lo);
3593
3594 ADD_64(fstats->total_bytes_received_hi,
3595 estats->error_bytes_received_hi,
3596 fstats->total_bytes_received_lo,
3597 estats->error_bytes_received_lo);
3598
3599 UPDATE_EXTEND_TSTAT(rcv_unicast_pkts, total_unicast_packets_received);
3600 UPDATE_EXTEND_TSTAT(rcv_multicast_pkts,
3601 total_multicast_packets_received);
3602 UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts,
3603 total_broadcast_packets_received);
3604
3605 fstats->total_bytes_transmitted_hi =
3606 le32_to_cpu(xclient->total_sent_bytes.hi);
3607 fstats->total_bytes_transmitted_lo =
3608 le32_to_cpu(xclient->total_sent_bytes.lo);
3609
3610 UPDATE_EXTEND_XSTAT(unicast_pkts_sent,
3611 total_unicast_packets_transmitted);
3612 UPDATE_EXTEND_XSTAT(multicast_pkts_sent,
3613 total_multicast_packets_transmitted);
3614 UPDATE_EXTEND_XSTAT(broadcast_pkts_sent,
3615 total_broadcast_packets_transmitted);
3616
3617 memcpy(estats, &(fstats->total_bytes_received_hi),
3618 sizeof(struct host_func_stats) - 2*sizeof(u32));
3619
3620 estats->mac_filter_discard = le32_to_cpu(tport->mac_filter_discard);
3621 estats->xxoverflow_discard = le32_to_cpu(tport->xxoverflow_discard);
3622 estats->brb_truncate_discard =
3623 le32_to_cpu(tport->brb_truncate_discard);
3624 estats->mac_discard = le32_to_cpu(tport->mac_discard);
3625
3626 old_tclient->rcv_unicast_bytes.hi =
3627 le32_to_cpu(tclient->rcv_unicast_bytes.hi);
3628 old_tclient->rcv_unicast_bytes.lo =
3629 le32_to_cpu(tclient->rcv_unicast_bytes.lo);
3630 old_tclient->rcv_broadcast_bytes.hi =
3631 le32_to_cpu(tclient->rcv_broadcast_bytes.hi);
3632 old_tclient->rcv_broadcast_bytes.lo =
3633 le32_to_cpu(tclient->rcv_broadcast_bytes.lo);
3634 old_tclient->rcv_multicast_bytes.hi =
3635 le32_to_cpu(tclient->rcv_multicast_bytes.hi);
3636 old_tclient->rcv_multicast_bytes.lo =
3637 le32_to_cpu(tclient->rcv_multicast_bytes.lo);
3638 old_tclient->total_rcv_pkts = le32_to_cpu(tclient->total_rcv_pkts);
3639
3640 old_tclient->checksum_discard = le32_to_cpu(tclient->checksum_discard);
3641 old_tclient->packets_too_big_discard =
3642 le32_to_cpu(tclient->packets_too_big_discard);
3643 estats->no_buff_discard =
3644 old_tclient->no_buff_discard = le32_to_cpu(tclient->no_buff_discard);
3645 old_tclient->ttl0_discard = le32_to_cpu(tclient->ttl0_discard);
3646
3647 old_xclient->total_sent_pkts = le32_to_cpu(xclient->total_sent_pkts);
3648 old_xclient->unicast_bytes_sent.hi =
3649 le32_to_cpu(xclient->unicast_bytes_sent.hi);
3650 old_xclient->unicast_bytes_sent.lo =
3651 le32_to_cpu(xclient->unicast_bytes_sent.lo);
3652 old_xclient->multicast_bytes_sent.hi =
3653 le32_to_cpu(xclient->multicast_bytes_sent.hi);
3654 old_xclient->multicast_bytes_sent.lo =
3655 le32_to_cpu(xclient->multicast_bytes_sent.lo);
3656 old_xclient->broadcast_bytes_sent.hi =
3657 le32_to_cpu(xclient->broadcast_bytes_sent.hi);
3658 old_xclient->broadcast_bytes_sent.lo =
3659 le32_to_cpu(xclient->broadcast_bytes_sent.lo);
3660
3661 fstats->host_func_stats_start = ++fstats->host_func_stats_end;
3662
3663 return 0;
3664}
3665
3666static void bnx2x_net_stats_update(struct bnx2x *bp)
3667{
3668 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3669 struct bnx2x_eth_stats *estats = &bp->eth_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003670 struct net_device_stats *nstats = &bp->dev->stats;
3671
3672 nstats->rx_packets =
3673 bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
3674 bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
3675 bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
3676
3677 nstats->tx_packets =
3678 bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
3679 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
3680 bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
3681
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003682 nstats->rx_bytes = bnx2x_hilo(&estats->valid_bytes_received_hi);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003683
Eliezer Tamir0e39e642008-02-28 11:54:03 -08003684 nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003685
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003686 nstats->rx_dropped = old_tclient->checksum_discard +
3687 estats->mac_discard;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003688 nstats->tx_dropped = 0;
3689
3690 nstats->multicast =
3691 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi);
3692
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003693 nstats->collisions =
3694 estats->tx_stat_dot3statssinglecollisionframes_lo +
3695 estats->tx_stat_dot3statsmultiplecollisionframes_lo +
3696 estats->tx_stat_dot3statslatecollisions_lo +
3697 estats->tx_stat_dot3statsexcessivecollisions_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003698
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003699 estats->jabber_packets_received =
3700 old_tclient->packets_too_big_discard +
3701 estats->rx_stat_dot3statsframestoolong_lo;
3702
3703 nstats->rx_length_errors =
3704 estats->rx_stat_etherstatsundersizepkts_lo +
3705 estats->jabber_packets_received;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07003706 nstats->rx_over_errors = estats->brb_drop_lo + estats->brb_truncate_lo;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003707 nstats->rx_crc_errors = estats->rx_stat_dot3statsfcserrors_lo;
3708 nstats->rx_frame_errors = estats->rx_stat_dot3statsalignmenterrors_lo;
3709 nstats->rx_fifo_errors = old_tclient->no_buff_discard;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003710 nstats->rx_missed_errors = estats->xxoverflow_discard;
3711
3712 nstats->rx_errors = nstats->rx_length_errors +
3713 nstats->rx_over_errors +
3714 nstats->rx_crc_errors +
3715 nstats->rx_frame_errors +
Eliezer Tamir0e39e642008-02-28 11:54:03 -08003716 nstats->rx_fifo_errors +
3717 nstats->rx_missed_errors;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003718
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003719 nstats->tx_aborted_errors =
3720 estats->tx_stat_dot3statslatecollisions_lo +
3721 estats->tx_stat_dot3statsexcessivecollisions_lo;
3722 nstats->tx_carrier_errors = estats->rx_stat_falsecarriererrors_lo;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003723 nstats->tx_fifo_errors = 0;
3724 nstats->tx_heartbeat_errors = 0;
3725 nstats->tx_window_errors = 0;
3726
3727 nstats->tx_errors = nstats->tx_aborted_errors +
3728 nstats->tx_carrier_errors;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003729}
3730
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003731static void bnx2x_stats_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003732{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003733 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3734 int update = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003735
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003736 if (*stats_comp != DMAE_COMP_VAL)
3737 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003738
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003739 if (bp->port.pmf)
3740 update = (bnx2x_hw_stats_update(bp) == 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003741
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003742 update |= (bnx2x_storm_stats_update(bp) == 0);
3743
3744 if (update)
3745 bnx2x_net_stats_update(bp);
3746
3747 else {
3748 if (bp->stats_pending) {
3749 bp->stats_pending++;
3750 if (bp->stats_pending == 3) {
3751 BNX2X_ERR("stats not updated for 3 times\n");
3752 bnx2x_panic();
3753 return;
3754 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003755 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003756 }
3757
3758 if (bp->msglevel & NETIF_MSG_TIMER) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003759 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3760 struct bnx2x_eth_stats *estats = &bp->eth_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003761 struct net_device_stats *nstats = &bp->dev->stats;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003762 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003763
3764 printk(KERN_DEBUG "%s:\n", bp->dev->name);
3765 printk(KERN_DEBUG " tx avail (%4x) tx hc idx (%x)"
3766 " tx pkt (%lx)\n",
3767 bnx2x_tx_avail(bp->fp),
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003768 le16_to_cpu(*bp->fp->tx_cons_sb), nstats->tx_packets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003769 printk(KERN_DEBUG " rx usage (%4x) rx hc idx (%x)"
3770 " rx pkt (%lx)\n",
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07003771 (u16)(le16_to_cpu(*bp->fp->rx_cons_sb) -
3772 bp->fp->rx_comp_cons),
3773 le16_to_cpu(*bp->fp->rx_cons_sb), nstats->rx_packets);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003774 printk(KERN_DEBUG " %s (Xoff events %u) brb drops %u\n",
3775 netif_queue_stopped(bp->dev)? "Xoff" : "Xon",
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003776 estats->driver_xoff, estats->brb_drop_lo);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003777 printk(KERN_DEBUG "tstats: checksum_discard %u "
3778 "packets_too_big_discard %u no_buff_discard %u "
3779 "mac_discard %u mac_filter_discard %u "
3780 "xxovrflow_discard %u brb_truncate_discard %u "
3781 "ttl0_discard %u\n",
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003782 old_tclient->checksum_discard,
3783 old_tclient->packets_too_big_discard,
3784 old_tclient->no_buff_discard, estats->mac_discard,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003785 estats->mac_filter_discard, estats->xxoverflow_discard,
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003786 estats->brb_truncate_discard,
3787 old_tclient->ttl0_discard);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003788
3789 for_each_queue(bp, i) {
3790 printk(KERN_DEBUG "[%d]: %lu\t%lu\t%lu\n", i,
3791 bnx2x_fp(bp, i, tx_pkt),
3792 bnx2x_fp(bp, i, rx_pkt),
3793 bnx2x_fp(bp, i, rx_calls));
3794 }
3795 }
3796
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003797 bnx2x_hw_stats_post(bp);
3798 bnx2x_storm_stats_post(bp);
3799}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003800
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003801static void bnx2x_port_stats_stop(struct bnx2x *bp)
3802{
3803 struct dmae_command *dmae;
3804 u32 opcode;
3805 int loader_idx = PMF_DMAE_C(bp);
3806 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003807
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003808 bp->executer_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003809
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003810 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3811 DMAE_CMD_C_ENABLE |
3812 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003813#ifdef __BIG_ENDIAN
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003814 DMAE_CMD_ENDIANITY_B_DW_SWAP |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003815#else
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003816 DMAE_CMD_ENDIANITY_DW_SWAP |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003817#endif
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003818 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3819 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3820
3821 if (bp->port.port_stx) {
3822
3823 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3824 if (bp->func_stx)
3825 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3826 else
3827 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3828 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3829 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3830 dmae->dst_addr_lo = bp->port.port_stx >> 2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003831 dmae->dst_addr_hi = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003832 dmae->len = sizeof(struct host_port_stats) >> 2;
3833 if (bp->func_stx) {
3834 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3835 dmae->comp_addr_hi = 0;
3836 dmae->comp_val = 1;
3837 } else {
3838 dmae->comp_addr_lo =
3839 U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3840 dmae->comp_addr_hi =
3841 U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3842 dmae->comp_val = DMAE_COMP_VAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003843
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003844 *stats_comp = 0;
3845 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003846 }
3847
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003848 if (bp->func_stx) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003849
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003850 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3851 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3852 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3853 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3854 dmae->dst_addr_lo = bp->func_stx >> 2;
3855 dmae->dst_addr_hi = 0;
3856 dmae->len = sizeof(struct host_func_stats) >> 2;
3857 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3858 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3859 dmae->comp_val = DMAE_COMP_VAL;
3860
3861 *stats_comp = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003862 }
3863}
3864
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003865static void bnx2x_stats_stop(struct bnx2x *bp)
3866{
3867 int update = 0;
3868
3869 bnx2x_stats_comp(bp);
3870
3871 if (bp->port.pmf)
3872 update = (bnx2x_hw_stats_update(bp) == 0);
3873
3874 update |= (bnx2x_storm_stats_update(bp) == 0);
3875
3876 if (update) {
3877 bnx2x_net_stats_update(bp);
3878
3879 if (bp->port.pmf)
3880 bnx2x_port_stats_stop(bp);
3881
3882 bnx2x_hw_stats_post(bp);
3883 bnx2x_stats_comp(bp);
3884 }
3885}
3886
3887static void bnx2x_stats_do_nothing(struct bnx2x *bp)
3888{
3889}
3890
3891static const struct {
3892 void (*action)(struct bnx2x *bp);
3893 enum bnx2x_stats_state next_state;
3894} bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
3895/* state event */
3896{
3897/* DISABLED PMF */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
3898/* LINK_UP */ {bnx2x_stats_start, STATS_STATE_ENABLED},
3899/* UPDATE */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
3900/* STOP */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
3901},
3902{
3903/* ENABLED PMF */ {bnx2x_stats_pmf_start, STATS_STATE_ENABLED},
3904/* LINK_UP */ {bnx2x_stats_restart, STATS_STATE_ENABLED},
3905/* UPDATE */ {bnx2x_stats_update, STATS_STATE_ENABLED},
3906/* STOP */ {bnx2x_stats_stop, STATS_STATE_DISABLED}
3907}
3908};
3909
3910static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
3911{
3912 enum bnx2x_stats_state state = bp->stats_state;
3913
3914 bnx2x_stats_stm[state][event].action(bp);
3915 bp->stats_state = bnx2x_stats_stm[state][event].next_state;
3916
3917 if ((event != STATS_EVENT_UPDATE) || (bp->msglevel & NETIF_MSG_TIMER))
3918 DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
3919 state, event, bp->stats_state);
3920}
3921
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003922static void bnx2x_timer(unsigned long data)
3923{
3924 struct bnx2x *bp = (struct bnx2x *) data;
3925
3926 if (!netif_running(bp->dev))
3927 return;
3928
3929 if (atomic_read(&bp->intr_sem) != 0)
Eliezer Tamirf1410642008-02-28 11:51:50 -08003930 goto timer_restart;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003931
3932 if (poll) {
3933 struct bnx2x_fastpath *fp = &bp->fp[0];
3934 int rc;
3935
3936 bnx2x_tx_int(fp, 1000);
3937 rc = bnx2x_rx_int(fp, 1000);
3938 }
3939
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003940 if (!BP_NOMCP(bp)) {
3941 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003942 u32 drv_pulse;
3943 u32 mcp_pulse;
3944
3945 ++bp->fw_drv_pulse_wr_seq;
3946 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3947 /* TBD - add SYSTEM_TIME */
3948 drv_pulse = bp->fw_drv_pulse_wr_seq;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003949 SHMEM_WR(bp, func_mb[func].drv_pulse_mb, drv_pulse);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003950
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003951 mcp_pulse = (SHMEM_RD(bp, func_mb[func].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003952 MCP_PULSE_SEQ_MASK);
3953 /* The delta between driver pulse and mcp response
3954 * should be 1 (before mcp response) or 0 (after mcp response)
3955 */
3956 if ((drv_pulse != mcp_pulse) &&
3957 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3958 /* someone lost a heartbeat... */
3959 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3960 drv_pulse, mcp_pulse);
3961 }
3962 }
3963
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003964 if ((bp->state == BNX2X_STATE_OPEN) ||
3965 (bp->state == BNX2X_STATE_DISABLED))
3966 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003967
Eliezer Tamirf1410642008-02-28 11:51:50 -08003968timer_restart:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003969 mod_timer(&bp->timer, jiffies + bp->current_interval);
3970}
3971
3972/* end of Statistics */
3973
3974/* nic init */
3975
3976/*
3977 * nic init service functions
3978 */
3979
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003980static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003981{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003982 int port = BP_PORT(bp);
3983
3984 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
3985 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
3986 sizeof(struct ustorm_def_status_block)/4);
3987 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
3988 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
3989 sizeof(struct cstorm_def_status_block)/4);
3990}
3991
3992static void bnx2x_init_sb(struct bnx2x *bp, int sb_id,
3993 struct host_status_block *sb, dma_addr_t mapping)
3994{
3995 int port = BP_PORT(bp);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003996 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003997 int index;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003998 u64 section;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003999
4000 /* USTORM */
4001 section = ((u64)mapping) + offsetof(struct host_status_block,
4002 u_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004003 sb->u_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004004
4005 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004006 USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004007 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004008 ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004009 U64_HI(section));
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004010 REG_WR8(bp, BAR_USTRORM_INTMEM + FP_USB_FUNC_OFF +
4011 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004012
4013 for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++)
4014 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004015 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004016
4017 /* CSTORM */
4018 section = ((u64)mapping) + offsetof(struct host_status_block,
4019 c_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004020 sb->c_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004021
4022 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004023 CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004024 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004025 ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004026 U64_HI(section));
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004027 REG_WR8(bp, BAR_CSTRORM_INTMEM + FP_CSB_FUNC_OFF +
4028 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004029
4030 for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++)
4031 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004032 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004033
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004034 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
4035}
4036
4037static void bnx2x_zero_def_sb(struct bnx2x *bp)
4038{
4039 int func = BP_FUNC(bp);
4040
4041 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
4042 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4043 sizeof(struct ustorm_def_status_block)/4);
4044 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
4045 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4046 sizeof(struct cstorm_def_status_block)/4);
4047 bnx2x_init_fill(bp, BAR_XSTRORM_INTMEM +
4048 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4049 sizeof(struct xstorm_def_status_block)/4);
4050 bnx2x_init_fill(bp, BAR_TSTRORM_INTMEM +
4051 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4052 sizeof(struct tstorm_def_status_block)/4);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004053}
4054
4055static void bnx2x_init_def_sb(struct bnx2x *bp,
4056 struct host_def_status_block *def_sb,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004057 dma_addr_t mapping, int sb_id)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004058{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004059 int port = BP_PORT(bp);
4060 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004061 int index, val, reg_offset;
4062 u64 section;
4063
4064 /* ATTN */
4065 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4066 atten_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004067 def_sb->atten_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004068
Eliezer Tamir49d66772008-02-28 11:53:13 -08004069 bp->def_att_idx = 0;
4070 bp->attn_state = 0;
4071
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004072 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4073 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4074
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004075 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004076 bp->attn_group[index].sig[0] = REG_RD(bp,
4077 reg_offset + 0x10*index);
4078 bp->attn_group[index].sig[1] = REG_RD(bp,
4079 reg_offset + 0x4 + 0x10*index);
4080 bp->attn_group[index].sig[2] = REG_RD(bp,
4081 reg_offset + 0x8 + 0x10*index);
4082 bp->attn_group[index].sig[3] = REG_RD(bp,
4083 reg_offset + 0xc + 0x10*index);
4084 }
4085
4086 bp->aeu_mask = REG_RD(bp, (port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
4087 MISC_REG_AEU_MASK_ATTN_FUNC_0));
4088
4089 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4090 HC_REG_ATTN_MSG0_ADDR_L);
4091
4092 REG_WR(bp, reg_offset, U64_LO(section));
4093 REG_WR(bp, reg_offset + 4, U64_HI(section));
4094
4095 reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0);
4096
4097 val = REG_RD(bp, reg_offset);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004098 val |= sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004099 REG_WR(bp, reg_offset, val);
4100
4101 /* USTORM */
4102 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4103 u_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004104 def_sb->u_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004105
Eliezer Tamir49d66772008-02-28 11:53:13 -08004106 bp->def_u_idx = 0;
4107
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004108 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004109 USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004110 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004111 ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004112 U64_HI(section));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004113 REG_WR8(bp, BAR_USTRORM_INTMEM + DEF_USB_FUNC_OFF +
4114 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4115 REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004116 BNX2X_BTR);
4117
4118 for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++)
4119 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004120 USTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004121
4122 /* CSTORM */
4123 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4124 c_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004125 def_sb->c_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004126
Eliezer Tamir49d66772008-02-28 11:53:13 -08004127 bp->def_c_idx = 0;
4128
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004129 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004130 CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004131 REG_WR(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004132 ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004133 U64_HI(section));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004134 REG_WR8(bp, BAR_CSTRORM_INTMEM + DEF_CSB_FUNC_OFF +
4135 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4136 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004137 BNX2X_BTR);
4138
4139 for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++)
4140 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004141 CSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004142
4143 /* TSTORM */
4144 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4145 t_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004146 def_sb->t_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004147
Eliezer Tamir49d66772008-02-28 11:53:13 -08004148 bp->def_t_idx = 0;
4149
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004150 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004151 TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004152 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004153 ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004154 U64_HI(section));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004155 REG_WR8(bp, BAR_TSTRORM_INTMEM + DEF_TSB_FUNC_OFF +
4156 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4157 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004158 BNX2X_BTR);
4159
4160 for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++)
4161 REG_WR16(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004162 TSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004163
4164 /* XSTORM */
4165 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4166 x_def_status_block);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004167 def_sb->x_def_status_block.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004168
Eliezer Tamir49d66772008-02-28 11:53:13 -08004169 bp->def_x_idx = 0;
4170
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004171 REG_WR(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004172 XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004173 REG_WR(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004174 ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004175 U64_HI(section));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004176 REG_WR8(bp, BAR_XSTRORM_INTMEM + DEF_XSB_FUNC_OFF +
4177 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4178 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004179 BNX2X_BTR);
4180
4181 for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++)
4182 REG_WR16(bp, BAR_XSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004183 XSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004184
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004185 bp->stats_pending = 0;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004186 bp->set_mac_pending = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004187
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004188 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004189}
4190
4191static void bnx2x_update_coalesce(struct bnx2x *bp)
4192{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004193 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004194 int i;
4195
4196 for_each_queue(bp, i) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004197 int sb_id = bp->fp[i].sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004198
4199 /* HC_INDEX_U_ETH_RX_CQ_CONS */
4200 REG_WR8(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004201 USTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004202 HC_INDEX_U_ETH_RX_CQ_CONS),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004203 bp->rx_ticks/12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004204 REG_WR16(bp, BAR_USTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004205 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004206 HC_INDEX_U_ETH_RX_CQ_CONS),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004207 bp->rx_ticks ? 0 : 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004208
4209 /* HC_INDEX_C_ETH_TX_CQ_CONS */
4210 REG_WR8(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004211 CSTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004212 HC_INDEX_C_ETH_TX_CQ_CONS),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004213 bp->tx_ticks/12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004214 REG_WR16(bp, BAR_CSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004215 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004216 HC_INDEX_C_ETH_TX_CQ_CONS),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004217 bp->tx_ticks ? 0 : 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004218 }
4219}
4220
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004221static inline void bnx2x_free_tpa_pool(struct bnx2x *bp,
4222 struct bnx2x_fastpath *fp, int last)
4223{
4224 int i;
4225
4226 for (i = 0; i < last; i++) {
4227 struct sw_rx_bd *rx_buf = &(fp->tpa_pool[i]);
4228 struct sk_buff *skb = rx_buf->skb;
4229
4230 if (skb == NULL) {
4231 DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i);
4232 continue;
4233 }
4234
4235 if (fp->tpa_state[i] == BNX2X_TPA_START)
4236 pci_unmap_single(bp->pdev,
4237 pci_unmap_addr(rx_buf, mapping),
4238 bp->rx_buf_use_size,
4239 PCI_DMA_FROMDEVICE);
4240
4241 dev_kfree_skb(skb);
4242 rx_buf->skb = NULL;
4243 }
4244}
4245
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004246static void bnx2x_init_rx_rings(struct bnx2x *bp)
4247{
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004248 int func = BP_FUNC(bp);
4249 u16 ring_prod, cqe_ring_prod = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004250 int i, j;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004251
4252 bp->rx_buf_use_size = bp->dev->mtu;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004253 bp->rx_buf_use_size += bp->rx_offset + ETH_OVREHEAD;
4254 bp->rx_buf_size = bp->rx_buf_use_size + 64;
4255
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004256 if (bp->flags & TPA_ENABLE_FLAG) {
4257 DP(NETIF_MSG_IFUP,
4258 "rx_buf_use_size %d rx_buf_size %d effective_mtu %d\n",
4259 bp->rx_buf_use_size, bp->rx_buf_size,
4260 bp->dev->mtu + ETH_OVREHEAD);
4261
4262 for_each_queue(bp, j) {
4263 for (i = 0; i < ETH_MAX_AGGREGATION_QUEUES_E1H; i++) {
4264 struct bnx2x_fastpath *fp = &bp->fp[j];
4265
4266 fp->tpa_pool[i].skb =
4267 netdev_alloc_skb(bp->dev, bp->rx_buf_size);
4268 if (!fp->tpa_pool[i].skb) {
4269 BNX2X_ERR("Failed to allocate TPA "
4270 "skb pool for queue[%d] - "
4271 "disabling TPA on this "
4272 "queue!\n", j);
4273 bnx2x_free_tpa_pool(bp, fp, i);
4274 fp->disable_tpa = 1;
4275 break;
4276 }
4277 pci_unmap_addr_set((struct sw_rx_bd *)
4278 &bp->fp->tpa_pool[i],
4279 mapping, 0);
4280 fp->tpa_state[i] = BNX2X_TPA_STOP;
4281 }
4282 }
4283 }
4284
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004285 for_each_queue(bp, j) {
4286 struct bnx2x_fastpath *fp = &bp->fp[j];
4287
4288 fp->rx_bd_cons = 0;
4289 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004290 fp->rx_bd_cons_sb = BNX2X_RX_SB_BD_INDEX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004291
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004292 /* "next page" elements initialization */
4293 /* SGE ring */
4294 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
4295 struct eth_rx_sge *sge;
4296
4297 sge = &fp->rx_sge_ring[RX_SGE_CNT * i - 2];
4298 sge->addr_hi =
4299 cpu_to_le32(U64_HI(fp->rx_sge_mapping +
4300 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4301 sge->addr_lo =
4302 cpu_to_le32(U64_LO(fp->rx_sge_mapping +
4303 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4304 }
4305
4306 bnx2x_init_sge_ring_bit_mask(fp);
4307
4308 /* RX BD ring */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004309 for (i = 1; i <= NUM_RX_RINGS; i++) {
4310 struct eth_rx_bd *rx_bd;
4311
4312 rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2];
4313 rx_bd->addr_hi =
4314 cpu_to_le32(U64_HI(fp->rx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004315 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004316 rx_bd->addr_lo =
4317 cpu_to_le32(U64_LO(fp->rx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004318 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004319 }
4320
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004321 /* CQ ring */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004322 for (i = 1; i <= NUM_RCQ_RINGS; i++) {
4323 struct eth_rx_cqe_next_page *nextpg;
4324
4325 nextpg = (struct eth_rx_cqe_next_page *)
4326 &fp->rx_comp_ring[RCQ_DESC_CNT * i - 1];
4327 nextpg->addr_hi =
4328 cpu_to_le32(U64_HI(fp->rx_comp_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004329 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004330 nextpg->addr_lo =
4331 cpu_to_le32(U64_LO(fp->rx_comp_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004332 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004333 }
4334
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004335 /* Allocate SGEs and initialize the ring elements */
4336 for (i = 0, ring_prod = 0;
4337 i < MAX_RX_SGE_CNT*NUM_RX_SGE_PAGES; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004338
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004339 if (bnx2x_alloc_rx_sge(bp, fp, ring_prod) < 0) {
4340 BNX2X_ERR("was only able to allocate "
4341 "%d rx sges\n", i);
4342 BNX2X_ERR("disabling TPA for queue[%d]\n", j);
4343 /* Cleanup already allocated elements */
4344 bnx2x_free_rx_sge_range(bp, fp, ring_prod);
4345 bnx2x_free_tpa_pool(bp, fp,
4346 ETH_MAX_AGGREGATION_QUEUES_E1H);
4347 fp->disable_tpa = 1;
4348 ring_prod = 0;
4349 break;
4350 }
4351 ring_prod = NEXT_SGE_IDX(ring_prod);
4352 }
4353 fp->rx_sge_prod = ring_prod;
4354
4355 /* Allocate BDs and initialize BD ring */
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004356 fp->rx_comp_cons = 0;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004357 cqe_ring_prod = ring_prod = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004358 for (i = 0; i < bp->rx_ring_size; i++) {
4359 if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) {
4360 BNX2X_ERR("was only able to allocate "
4361 "%d rx skbs\n", i);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004362 bp->eth_stats.rx_skb_alloc_failed++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004363 break;
4364 }
4365 ring_prod = NEXT_RX_IDX(ring_prod);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004366 cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod);
Ilpo Järvinen53e5e962008-07-25 21:40:45 -07004367 WARN_ON(ring_prod <= i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004368 }
4369
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004370 fp->rx_bd_prod = ring_prod;
4371 /* must not have more available CQEs than BDs */
4372 fp->rx_comp_prod = min((u16)(NUM_RCQ_RINGS*RCQ_DESC_CNT),
4373 cqe_ring_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004374 fp->rx_pkt = fp->rx_calls = 0;
4375
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004376 /* Warning!
4377 * this will generate an interrupt (to the TSTORM)
4378 * must only be done after chip is initialized
4379 */
4380 bnx2x_update_rx_prod(bp, fp, ring_prod, fp->rx_comp_prod,
4381 fp->rx_sge_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004382 if (j != 0)
4383 continue;
4384
4385 REG_WR(bp, BAR_USTRORM_INTMEM +
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004386 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004387 U64_LO(fp->rx_comp_mapping));
4388 REG_WR(bp, BAR_USTRORM_INTMEM +
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004389 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004390 U64_HI(fp->rx_comp_mapping));
4391 }
4392}
4393
4394static void bnx2x_init_tx_ring(struct bnx2x *bp)
4395{
4396 int i, j;
4397
4398 for_each_queue(bp, j) {
4399 struct bnx2x_fastpath *fp = &bp->fp[j];
4400
4401 for (i = 1; i <= NUM_TX_RINGS; i++) {
4402 struct eth_tx_bd *tx_bd =
4403 &fp->tx_desc_ring[TX_DESC_CNT * i - 1];
4404
4405 tx_bd->addr_hi =
4406 cpu_to_le32(U64_HI(fp->tx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004407 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004408 tx_bd->addr_lo =
4409 cpu_to_le32(U64_LO(fp->tx_desc_mapping +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004410 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004411 }
4412
4413 fp->tx_pkt_prod = 0;
4414 fp->tx_pkt_cons = 0;
4415 fp->tx_bd_prod = 0;
4416 fp->tx_bd_cons = 0;
4417 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4418 fp->tx_pkt = 0;
4419 }
4420}
4421
4422static void bnx2x_init_sp_ring(struct bnx2x *bp)
4423{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004424 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004425
4426 spin_lock_init(&bp->spq_lock);
4427
4428 bp->spq_left = MAX_SPQ_PENDING;
4429 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004430 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4431 bp->spq_prod_bd = bp->spq;
4432 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
4433
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004434 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004435 U64_LO(bp->spq_mapping));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004436 REG_WR(bp,
4437 XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004438 U64_HI(bp->spq_mapping));
4439
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004440 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004441 bp->spq_prod_idx);
4442}
4443
4444static void bnx2x_init_context(struct bnx2x *bp)
4445{
4446 int i;
4447
4448 for_each_queue(bp, i) {
4449 struct eth_context *context = bnx2x_sp(bp, context[i].eth);
4450 struct bnx2x_fastpath *fp = &bp->fp[i];
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004451 u8 sb_id = FP_SB_ID(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004452
4453 context->xstorm_st_context.tx_bd_page_base_hi =
4454 U64_HI(fp->tx_desc_mapping);
4455 context->xstorm_st_context.tx_bd_page_base_lo =
4456 U64_LO(fp->tx_desc_mapping);
4457 context->xstorm_st_context.db_data_addr_hi =
4458 U64_HI(fp->tx_prods_mapping);
4459 context->xstorm_st_context.db_data_addr_lo =
4460 U64_LO(fp->tx_prods_mapping);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004461 context->xstorm_st_context.statistics_data = (BP_CL_ID(bp) |
4462 XSTORM_ETH_ST_CONTEXT_STATISTICS_ENABLE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004463
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004464 context->ustorm_st_context.common.sb_index_numbers =
4465 BNX2X_RX_SB_INDEX_NUM;
4466 context->ustorm_st_context.common.clientId = FP_CL_ID(fp);
4467 context->ustorm_st_context.common.status_block_id = sb_id;
4468 context->ustorm_st_context.common.flags =
4469 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_MC_ALIGNMENT;
4470 context->ustorm_st_context.common.mc_alignment_size = 64;
4471 context->ustorm_st_context.common.bd_buff_size =
4472 bp->rx_buf_use_size;
4473 context->ustorm_st_context.common.bd_page_base_hi =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004474 U64_HI(fp->rx_desc_mapping);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004475 context->ustorm_st_context.common.bd_page_base_lo =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004476 U64_LO(fp->rx_desc_mapping);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004477 if (!fp->disable_tpa) {
4478 context->ustorm_st_context.common.flags |=
4479 (USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_TPA |
4480 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_SGE_RING);
4481 context->ustorm_st_context.common.sge_buff_size =
4482 (u16)(BCM_PAGE_SIZE*PAGES_PER_SGE);
4483 context->ustorm_st_context.common.sge_page_base_hi =
4484 U64_HI(fp->rx_sge_mapping);
4485 context->ustorm_st_context.common.sge_page_base_lo =
4486 U64_LO(fp->rx_sge_mapping);
4487 }
4488
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004489 context->cstorm_st_context.sb_index_number =
4490 HC_INDEX_C_ETH_TX_CQ_CONS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004491 context->cstorm_st_context.status_block_id = sb_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004492
4493 context->xstorm_ag_context.cdu_reserved =
4494 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4495 CDU_REGION_NUMBER_XCM_AG,
4496 ETH_CONNECTION_TYPE);
4497 context->ustorm_ag_context.cdu_usage =
4498 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4499 CDU_REGION_NUMBER_UCM_AG,
4500 ETH_CONNECTION_TYPE);
4501 }
4502}
4503
4504static void bnx2x_init_ind_table(struct bnx2x *bp)
4505{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004506 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004507 int i;
4508
4509 if (!is_multi(bp))
4510 return;
4511
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004512 DP(NETIF_MSG_IFUP, "Initializing indirection table\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004513 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004514 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4515 TSTORM_INDIRECTION_TABLE_OFFSET(port) + i,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004516 i % bp->num_queues);
4517
4518 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
4519}
4520
Eliezer Tamir49d66772008-02-28 11:53:13 -08004521static void bnx2x_set_client_config(struct bnx2x *bp)
4522{
Eliezer Tamir49d66772008-02-28 11:53:13 -08004523 struct tstorm_eth_client_config tstorm_client = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004524 int port = BP_PORT(bp);
4525 int i;
Eliezer Tamir49d66772008-02-28 11:53:13 -08004526
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004527 tstorm_client.mtu = bp->dev->mtu + ETH_OVREHEAD;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004528 tstorm_client.statistics_counter_id = BP_CL_ID(bp);
Eliezer Tamir49d66772008-02-28 11:53:13 -08004529 tstorm_client.config_flags =
4530 TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE;
4531#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004532 if (bp->rx_mode && bp->vlgrp) {
Eliezer Tamir49d66772008-02-28 11:53:13 -08004533 tstorm_client.config_flags |=
4534 TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE;
4535 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
4536 }
4537#endif
Eliezer Tamir49d66772008-02-28 11:53:13 -08004538
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004539 if (bp->flags & TPA_ENABLE_FLAG) {
4540 tstorm_client.max_sges_for_packet =
4541 BCM_PAGE_ALIGN(tstorm_client.mtu) >> BCM_PAGE_SHIFT;
4542 tstorm_client.max_sges_for_packet =
4543 ((tstorm_client.max_sges_for_packet +
4544 PAGES_PER_SGE - 1) & (~(PAGES_PER_SGE - 1))) >>
4545 PAGES_PER_SGE_SHIFT;
4546
4547 tstorm_client.config_flags |=
4548 TSTORM_ETH_CLIENT_CONFIG_ENABLE_SGE_RING;
4549 }
4550
Eliezer Tamir49d66772008-02-28 11:53:13 -08004551 for_each_queue(bp, i) {
4552 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004553 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id),
Eliezer Tamir49d66772008-02-28 11:53:13 -08004554 ((u32 *)&tstorm_client)[0]);
4555 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004556 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id) + 4,
Eliezer Tamir49d66772008-02-28 11:53:13 -08004557 ((u32 *)&tstorm_client)[1]);
4558 }
4559
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004560 DP(BNX2X_MSG_OFF, "tstorm_client: 0x%08x 0x%08x\n",
4561 ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]);
Eliezer Tamir49d66772008-02-28 11:53:13 -08004562}
4563
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004564static void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
4565{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004566 struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004567 int mode = bp->rx_mode;
4568 int mask = (1 << BP_L_ID(bp));
4569 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004570 int i;
4571
4572 DP(NETIF_MSG_RX_STATUS, "rx mode is %d\n", mode);
4573
4574 switch (mode) {
4575 case BNX2X_RX_MODE_NONE: /* no Rx */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004576 tstorm_mac_filter.ucast_drop_all = mask;
4577 tstorm_mac_filter.mcast_drop_all = mask;
4578 tstorm_mac_filter.bcast_drop_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004579 break;
4580 case BNX2X_RX_MODE_NORMAL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004581 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004582 break;
4583 case BNX2X_RX_MODE_ALLMULTI:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004584 tstorm_mac_filter.mcast_accept_all = mask;
4585 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004586 break;
4587 case BNX2X_RX_MODE_PROMISC:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004588 tstorm_mac_filter.ucast_accept_all = mask;
4589 tstorm_mac_filter.mcast_accept_all = mask;
4590 tstorm_mac_filter.bcast_accept_all = mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004591 break;
4592 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004593 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4594 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004595 }
4596
4597 for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) {
4598 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004599 TSTORM_MAC_FILTER_CONFIG_OFFSET(func) + i * 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004600 ((u32 *)&tstorm_mac_filter)[i]);
4601
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004602/* DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004603 ((u32 *)&tstorm_mac_filter)[i]); */
4604 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004605
Eliezer Tamir49d66772008-02-28 11:53:13 -08004606 if (mode != BNX2X_RX_MODE_NONE)
4607 bnx2x_set_client_config(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004608}
4609
Eilon Greenstein471de712008-08-13 15:49:35 -07004610static void bnx2x_init_internal_common(struct bnx2x *bp)
4611{
4612 int i;
4613
4614 /* Zero this manually as its initialization is
4615 currently missing in the initTool */
4616 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4617 REG_WR(bp, BAR_USTRORM_INTMEM +
4618 USTORM_AGG_DATA_OFFSET + i * 4, 0);
4619}
4620
4621static void bnx2x_init_internal_port(struct bnx2x *bp)
4622{
4623 int port = BP_PORT(bp);
4624
4625 REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4626 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4627 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4628 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4629}
4630
4631static void bnx2x_init_internal_func(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004632{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004633 struct tstorm_eth_function_common_config tstorm_config = {0};
4634 struct stats_indication_flags stats_flags = {0};
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004635 int port = BP_PORT(bp);
4636 int func = BP_FUNC(bp);
4637 int i;
Eilon Greenstein471de712008-08-13 15:49:35 -07004638 u16 max_agg_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004639
4640 if (is_multi(bp)) {
4641 tstorm_config.config_flags = MULTI_FLAGS;
4642 tstorm_config.rss_result_mask = MULTI_MASK;
4643 }
4644
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004645 tstorm_config.leading_client_id = BP_L_ID(bp);
4646
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004647 REG_WR(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004648 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004649 (*(u32 *)&tstorm_config));
4650
Eliezer Tamirc14423f2008-02-28 11:49:42 -08004651 bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004652 bnx2x_set_storm_rx_mode(bp);
4653
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004654 /* reset xstorm per client statistics */
4655 for (i = 0; i < sizeof(struct xstorm_per_client_stats) / 4; i++) {
4656 REG_WR(bp, BAR_XSTRORM_INTMEM +
4657 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4658 i*4, 0);
4659 }
4660 /* reset tstorm per client statistics */
4661 for (i = 0; i < sizeof(struct tstorm_per_client_stats) / 4; i++) {
4662 REG_WR(bp, BAR_TSTRORM_INTMEM +
4663 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4664 i*4, 0);
4665 }
4666
4667 /* Init statistics related context */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004668 stats_flags.collect_eth = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004669
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004670 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004671 ((u32 *)&stats_flags)[0]);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004672 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004673 ((u32 *)&stats_flags)[1]);
4674
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004675 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004676 ((u32 *)&stats_flags)[0]);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004677 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004678 ((u32 *)&stats_flags)[1]);
4679
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004680 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func),
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004681 ((u32 *)&stats_flags)[0]);
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004682 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func) + 4,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004683 ((u32 *)&stats_flags)[1]);
4684
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004685 REG_WR(bp, BAR_XSTRORM_INTMEM +
4686 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4687 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4688 REG_WR(bp, BAR_XSTRORM_INTMEM +
4689 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4690 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
4691
4692 REG_WR(bp, BAR_TSTRORM_INTMEM +
4693 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4694 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4695 REG_WR(bp, BAR_TSTRORM_INTMEM +
4696 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4697 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004698
4699 if (CHIP_IS_E1H(bp)) {
4700 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
4701 IS_E1HMF(bp));
4702 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
4703 IS_E1HMF(bp));
4704 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
4705 IS_E1HMF(bp));
4706 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
4707 IS_E1HMF(bp));
4708
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004709 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(func),
4710 bp->e1hov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004711 }
4712
Eilon Greenstein471de712008-08-13 15:49:35 -07004713 /* Init CQ ring mapping and aggregation size */
4714 max_agg_size = min((u32)(bp->rx_buf_use_size +
4715 8*BCM_PAGE_SIZE*PAGES_PER_SGE),
4716 (u32)0xffff);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004717 for_each_queue(bp, i) {
4718 struct bnx2x_fastpath *fp = &bp->fp[i];
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004719
4720 REG_WR(bp, BAR_USTRORM_INTMEM +
4721 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)),
4722 U64_LO(fp->rx_comp_mapping));
4723 REG_WR(bp, BAR_USTRORM_INTMEM +
4724 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)) + 4,
4725 U64_HI(fp->rx_comp_mapping));
4726
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07004727 REG_WR16(bp, BAR_USTRORM_INTMEM +
4728 USTORM_MAX_AGG_SIZE_OFFSET(port, FP_CL_ID(fp)),
4729 max_agg_size);
4730 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004731}
4732
Eilon Greenstein471de712008-08-13 15:49:35 -07004733static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4734{
4735 switch (load_code) {
4736 case FW_MSG_CODE_DRV_LOAD_COMMON:
4737 bnx2x_init_internal_common(bp);
4738 /* no break */
4739
4740 case FW_MSG_CODE_DRV_LOAD_PORT:
4741 bnx2x_init_internal_port(bp);
4742 /* no break */
4743
4744 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
4745 bnx2x_init_internal_func(bp);
4746 break;
4747
4748 default:
4749 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4750 break;
4751 }
4752}
4753
4754static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004755{
4756 int i;
4757
4758 for_each_queue(bp, i) {
4759 struct bnx2x_fastpath *fp = &bp->fp[i];
4760
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004761 fp->bp = bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004762 fp->state = BNX2X_FP_STATE_CLOSED;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004763 fp->index = i;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004764 fp->cl_id = BP_L_ID(bp) + i;
4765 fp->sb_id = fp->cl_id;
4766 DP(NETIF_MSG_IFUP,
4767 "bnx2x_init_sb(%p,%p) index %d cl_id %d sb %d\n",
4768 bp, fp->status_blk, i, FP_CL_ID(fp), FP_SB_ID(fp));
4769 bnx2x_init_sb(bp, FP_SB_ID(fp), fp->status_blk,
4770 fp->status_blk_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004771 }
4772
4773 bnx2x_init_def_sb(bp, bp->def_status_blk,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004774 bp->def_status_blk_mapping, DEF_SB_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004775 bnx2x_update_coalesce(bp);
4776 bnx2x_init_rx_rings(bp);
4777 bnx2x_init_tx_ring(bp);
4778 bnx2x_init_sp_ring(bp);
4779 bnx2x_init_context(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07004780 bnx2x_init_internal(bp, load_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004781 bnx2x_init_ind_table(bp);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08004782 bnx2x_int_enable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004783}
4784
4785/* end of nic init */
4786
4787/*
4788 * gzip service functions
4789 */
4790
4791static int bnx2x_gunzip_init(struct bnx2x *bp)
4792{
4793 bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE,
4794 &bp->gunzip_mapping);
4795 if (bp->gunzip_buf == NULL)
4796 goto gunzip_nomem1;
4797
4798 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4799 if (bp->strm == NULL)
4800 goto gunzip_nomem2;
4801
4802 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4803 GFP_KERNEL);
4804 if (bp->strm->workspace == NULL)
4805 goto gunzip_nomem3;
4806
4807 return 0;
4808
4809gunzip_nomem3:
4810 kfree(bp->strm);
4811 bp->strm = NULL;
4812
4813gunzip_nomem2:
4814 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4815 bp->gunzip_mapping);
4816 bp->gunzip_buf = NULL;
4817
4818gunzip_nomem1:
4819 printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for"
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004820 " un-compression\n", bp->dev->name);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004821 return -ENOMEM;
4822}
4823
4824static void bnx2x_gunzip_end(struct bnx2x *bp)
4825{
4826 kfree(bp->strm->workspace);
4827
4828 kfree(bp->strm);
4829 bp->strm = NULL;
4830
4831 if (bp->gunzip_buf) {
4832 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4833 bp->gunzip_mapping);
4834 bp->gunzip_buf = NULL;
4835 }
4836}
4837
4838static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len)
4839{
4840 int n, rc;
4841
4842 /* check gzip header */
4843 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED))
4844 return -EINVAL;
4845
4846 n = 10;
4847
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004848#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004849
4850 if (zbuf[3] & FNAME)
4851 while ((zbuf[n++] != 0) && (n < len));
4852
4853 bp->strm->next_in = zbuf + n;
4854 bp->strm->avail_in = len - n;
4855 bp->strm->next_out = bp->gunzip_buf;
4856 bp->strm->avail_out = FW_BUF_SIZE;
4857
4858 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4859 if (rc != Z_OK)
4860 return rc;
4861
4862 rc = zlib_inflate(bp->strm, Z_FINISH);
4863 if ((rc != Z_OK) && (rc != Z_STREAM_END))
4864 printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n",
4865 bp->dev->name, bp->strm->msg);
4866
4867 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4868 if (bp->gunzip_outlen & 0x3)
4869 printk(KERN_ERR PFX "%s: Firmware decompression error:"
4870 " gunzip_outlen (%d) not aligned\n",
4871 bp->dev->name, bp->gunzip_outlen);
4872 bp->gunzip_outlen >>= 2;
4873
4874 zlib_inflateEnd(bp->strm);
4875
4876 if (rc == Z_STREAM_END)
4877 return 0;
4878
4879 return rc;
4880}
4881
4882/* nic load/unload */
4883
4884/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004885 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004886 */
4887
4888/* send a NIG loopback debug packet */
4889static void bnx2x_lb_pckt(struct bnx2x *bp)
4890{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004891 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004892
4893 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004894 wb_write[0] = 0x55555555;
4895 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004896 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004897 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004898
4899 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004900 wb_write[0] = 0x09000000;
4901 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004902 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004903 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004904}
4905
4906/* some of the internal memories
4907 * are not directly readable from the driver
4908 * to test them we send debug packets
4909 */
4910static int bnx2x_int_mem_test(struct bnx2x *bp)
4911{
4912 int factor;
4913 int count, i;
4914 u32 val = 0;
4915
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004916 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004917 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004918 else if (CHIP_REV_IS_EMUL(bp))
4919 factor = 200;
4920 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004921 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004922
4923 DP(NETIF_MSG_HW, "start part1\n");
4924
4925 /* Disable inputs of parser neighbor blocks */
4926 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4927 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4928 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4929 NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x0);
4930
4931 /* Write 0 to parser credits for CFC search request */
4932 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4933
4934 /* send Ethernet packet */
4935 bnx2x_lb_pckt(bp);
4936
4937 /* TODO do i reset NIG statistic? */
4938 /* Wait until NIG register shows 1 packet of size 0x10 */
4939 count = 1000 * factor;
4940 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004941
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004942 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4943 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004944 if (val == 0x10)
4945 break;
4946
4947 msleep(10);
4948 count--;
4949 }
4950 if (val != 0x10) {
4951 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4952 return -1;
4953 }
4954
4955 /* Wait until PRS register shows 1 packet */
4956 count = 1000 * factor;
4957 while (count) {
4958 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004959 if (val == 1)
4960 break;
4961
4962 msleep(10);
4963 count--;
4964 }
4965 if (val != 0x1) {
4966 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4967 return -2;
4968 }
4969
4970 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004971 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004972 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004973 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004974 msleep(50);
4975 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
4976 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
4977
4978 DP(NETIF_MSG_HW, "part2\n");
4979
4980 /* Disable inputs of parser neighbor blocks */
4981 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4982 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4983 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4984 NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x0);
4985
4986 /* Write 0 to parser credits for CFC search request */
4987 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4988
4989 /* send 10 Ethernet packets */
4990 for (i = 0; i < 10; i++)
4991 bnx2x_lb_pckt(bp);
4992
4993 /* Wait until NIG register shows 10 + 1
4994 packets of size 11*0x10 = 0xb0 */
4995 count = 1000 * factor;
4996 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004997
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004998 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4999 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005000 if (val == 0xb0)
5001 break;
5002
5003 msleep(10);
5004 count--;
5005 }
5006 if (val != 0xb0) {
5007 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5008 return -3;
5009 }
5010
5011 /* Wait until PRS register shows 2 packets */
5012 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5013 if (val != 2)
5014 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5015
5016 /* Write 1 to parser credits for CFC search request */
5017 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
5018
5019 /* Wait until PRS register shows 3 packets */
5020 msleep(10 * factor);
5021 /* Wait until NIG register shows 1 packet of size 0x10 */
5022 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5023 if (val != 3)
5024 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5025
5026 /* clear NIG EOP FIFO */
5027 for (i = 0; i < 11; i++)
5028 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
5029 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
5030 if (val != 1) {
5031 BNX2X_ERR("clear of NIG failed\n");
5032 return -4;
5033 }
5034
5035 /* Reset and init BRB, PRS, NIG */
5036 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
5037 msleep(50);
5038 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
5039 msleep(50);
5040 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5041 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5042#ifndef BCM_ISCSI
5043 /* set NIC mode */
5044 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5045#endif
5046
5047 /* Enable inputs of parser neighbor blocks */
5048 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
5049 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
5050 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
5051 NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x1);
5052
5053 DP(NETIF_MSG_HW, "done\n");
5054
5055 return 0; /* OK */
5056}
5057
5058static void enable_blocks_attention(struct bnx2x *bp)
5059{
5060 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5061 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
5062 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5063 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5064 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
5065 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
5066 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
5067 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
5068 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005069/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
5070/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005071 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
5072 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
5073 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005074/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
5075/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005076 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
5077 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
5078 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
5079 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005080/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
5081/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
5082 if (CHIP_REV_IS_FPGA(bp))
5083 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
5084 else
5085 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005086 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
5087 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
5088 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005089/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
5090/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005091 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
5092 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005093/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
5094 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005095}
5096
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005097
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005098static int bnx2x_init_common(struct bnx2x *bp)
5099{
5100 u32 val, i;
5101
5102 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_FUNC(bp));
5103
5104 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
5105 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
5106
5107 bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END);
5108 if (CHIP_IS_E1H(bp))
5109 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_E1HMF(bp));
5110
5111 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100);
5112 msleep(30);
5113 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0);
5114
5115 bnx2x_init_block(bp, PXP_COMMON_START, PXP_COMMON_END);
5116 if (CHIP_IS_E1(bp)) {
5117 /* enable HW interrupt from PXP on USDM overflow
5118 bit 16 on INT_MASK_0 */
5119 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005120 }
5121
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005122 bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END);
5123 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005124
5125#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005126 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5127 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5128 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5129 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5130 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
5131 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005132
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005133/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5134 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5135 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5136 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5137 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005138#endif
5139
5140#ifndef BCM_ISCSI
5141 /* set NIC mode */
5142 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5143#endif
5144
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005145 REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005146#ifdef BCM_ISCSI
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005147 REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5);
5148 REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5);
5149 REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005150#endif
5151
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005152 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5153 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005154
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005155 /* let the HW do it's magic ... */
5156 msleep(100);
5157 /* finish PXP init */
5158 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5159 if (val != 1) {
5160 BNX2X_ERR("PXP2 CFG failed\n");
5161 return -EBUSY;
5162 }
5163 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5164 if (val != 1) {
5165 BNX2X_ERR("PXP2 RD_INIT failed\n");
5166 return -EBUSY;
5167 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005168
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005169 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5170 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005171
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005172 bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005173
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005174 /* clean the DMAE memory */
5175 bp->dmae_ready = 1;
5176 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005177
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005178 bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END);
5179 bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END);
5180 bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END);
5181 bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005182
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005183 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5184 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5185 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5186 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5187
5188 bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END);
5189 /* soft reset pulse */
5190 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5191 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005192
5193#ifdef BCM_ISCSI
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005194 bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005195#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005196
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005197 bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END);
5198 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_SHIFT);
5199 if (!CHIP_REV_IS_SLOW(bp)) {
5200 /* enable hw interrupt from doorbell Q */
5201 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5202 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005203
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005204 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5205 if (CHIP_REV_IS_SLOW(bp)) {
5206 /* fix for emulation and FPGA for no pause */
5207 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0, 513);
5208 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_1, 513);
5209 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0, 0);
5210 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_1, 0);
5211 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005212
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005213 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5214 if (CHIP_IS_E1H(bp))
5215 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_E1HMF(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005216
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005217 bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END);
5218 bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END);
5219 bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END);
5220 bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005221
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005222 if (CHIP_IS_E1H(bp)) {
5223 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5224 STORM_INTMEM_SIZE_E1H/2);
5225 bnx2x_init_fill(bp,
5226 TSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5227 0, STORM_INTMEM_SIZE_E1H/2);
5228 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5229 STORM_INTMEM_SIZE_E1H/2);
5230 bnx2x_init_fill(bp,
5231 CSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5232 0, STORM_INTMEM_SIZE_E1H/2);
5233 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5234 STORM_INTMEM_SIZE_E1H/2);
5235 bnx2x_init_fill(bp,
5236 XSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5237 0, STORM_INTMEM_SIZE_E1H/2);
5238 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5239 STORM_INTMEM_SIZE_E1H/2);
5240 bnx2x_init_fill(bp,
5241 USTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5242 0, STORM_INTMEM_SIZE_E1H/2);
5243 } else { /* E1 */
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005244 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5245 STORM_INTMEM_SIZE_E1);
5246 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5247 STORM_INTMEM_SIZE_E1);
5248 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5249 STORM_INTMEM_SIZE_E1);
5250 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5251 STORM_INTMEM_SIZE_E1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005252 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005253
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005254 bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END);
5255 bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END);
5256 bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END);
5257 bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005258
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005259 /* sync semi rtc */
5260 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5261 0x80000000);
5262 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5263 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005264
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005265 bnx2x_init_block(bp, UPB_COMMON_START, UPB_COMMON_END);
5266 bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END);
5267 bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005268
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005269 REG_WR(bp, SRC_REG_SOFT_RST, 1);
5270 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) {
5271 REG_WR(bp, i, 0xc0cac01a);
5272 /* TODO: replace with something meaningful */
5273 }
5274 if (CHIP_IS_E1H(bp))
5275 bnx2x_init_block(bp, SRCH_COMMON_START, SRCH_COMMON_END);
5276 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005277
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005278 if (sizeof(union cdu_context) != 1024)
5279 /* we currently assume that a context is 1024 bytes */
5280 printk(KERN_ALERT PFX "please adjust the size of"
5281 " cdu_context(%ld)\n", (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005282
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005283 bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END);
5284 val = (4 << 24) + (0 << 12) + 1024;
5285 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
5286 if (CHIP_IS_E1(bp)) {
5287 /* !!! fix pxp client crdit until excel update */
5288 REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264);
5289 REG_WR(bp, CDU_REG_CDU_DEBUG, 0);
5290 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005291
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005292 bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END);
5293 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005294
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005295 bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END);
5296 bnx2x_init_block(bp, MISC_AEU_COMMON_START, MISC_AEU_COMMON_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005297
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005298 /* PXPCS COMMON comes here */
5299 /* Reset PCIE errors for debug */
5300 REG_WR(bp, 0x2814, 0xffffffff);
5301 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005302
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005303 /* EMAC0 COMMON comes here */
5304 /* EMAC1 COMMON comes here */
5305 /* DBU COMMON comes here */
5306 /* DBG COMMON comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005307
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005308 bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END);
5309 if (CHIP_IS_E1H(bp)) {
5310 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_E1HMF(bp));
5311 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_E1HMF(bp));
5312 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005313
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005314 if (CHIP_REV_IS_SLOW(bp))
5315 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005316
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005317 /* finish CFC init */
5318 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5319 if (val != 1) {
5320 BNX2X_ERR("CFC LL_INIT failed\n");
5321 return -EBUSY;
5322 }
5323 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5324 if (val != 1) {
5325 BNX2X_ERR("CFC AC_INIT failed\n");
5326 return -EBUSY;
5327 }
5328 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5329 if (val != 1) {
5330 BNX2X_ERR("CFC CAM_INIT failed\n");
5331 return -EBUSY;
5332 }
5333 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005334
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005335 /* read NIG statistic
5336 to see if this is our first up since powerup */
5337 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5338 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005339
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005340 /* do internal memory self test */
5341 if ((CHIP_IS_E1(bp)) && (val == 0) && bnx2x_int_mem_test(bp)) {
5342 BNX2X_ERR("internal mem self test failed\n");
5343 return -EBUSY;
5344 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005345
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005346 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
5347 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5348 /* Fan failure is indicated by SPIO 5 */
5349 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
5350 MISC_REGISTERS_SPIO_INPUT_HI_Z);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005351
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005352 /* set to active low mode */
5353 val = REG_RD(bp, MISC_REG_SPIO_INT);
5354 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Eliezer Tamirf1410642008-02-28 11:51:50 -08005355 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005356 REG_WR(bp, MISC_REG_SPIO_INT, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005357
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005358 /* enable interrupt to signal the IGU */
5359 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
5360 val |= (1 << MISC_REGISTERS_SPIO_5);
5361 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
5362 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08005363
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005364 default:
5365 break;
5366 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08005367
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005368 /* clear PXP2 attentions */
5369 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005370
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005371 enable_blocks_attention(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005372
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005373 if (bp->flags & TPA_ENABLE_FLAG) {
5374 struct tstorm_eth_tpa_exist tmp = {0};
5375
5376 tmp.tpa_exist = 1;
5377
5378 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET,
5379 ((u32 *)&tmp)[0]);
5380 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET + 4,
5381 ((u32 *)&tmp)[1]);
5382 }
5383
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005384 return 0;
5385}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005386
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005387static int bnx2x_init_port(struct bnx2x *bp)
5388{
5389 int port = BP_PORT(bp);
5390 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005391
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005392 DP(BNX2X_MSG_MCP, "starting port init port %x\n", port);
5393
5394 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005395
5396 /* Port PXP comes here */
5397 /* Port PXP2 comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005398#ifdef BCM_ISCSI
5399 /* Port0 1
5400 * Port1 385 */
5401 i++;
5402 wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping);
5403 wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping);
5404 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5405 REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i));
5406
5407 /* Port0 2
5408 * Port1 386 */
5409 i++;
5410 wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping);
5411 wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping);
5412 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5413 REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i));
5414
5415 /* Port0 3
5416 * Port1 387 */
5417 i++;
5418 wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping);
5419 wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping);
5420 REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2);
5421 REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i));
5422#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005423 /* Port CMs come here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005424
5425 /* Port QM comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005426#ifdef BCM_ISCSI
5427 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20);
5428 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31);
5429
5430 bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START,
5431 func ? TIMERS_PORT1_END : TIMERS_PORT0_END);
5432#endif
5433 /* Port DQ comes here */
5434 /* Port BRB1 comes here */
Eilon Greensteinad8d3942008-06-23 20:29:02 -07005435 /* Port PRS comes here */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005436 /* Port TSDM comes here */
5437 /* Port CSDM comes here */
5438 /* Port USDM comes here */
5439 /* Port XSDM comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005440 bnx2x_init_block(bp, port ? TSEM_PORT1_START : TSEM_PORT0_START,
5441 port ? TSEM_PORT1_END : TSEM_PORT0_END);
5442 bnx2x_init_block(bp, port ? USEM_PORT1_START : USEM_PORT0_START,
5443 port ? USEM_PORT1_END : USEM_PORT0_END);
5444 bnx2x_init_block(bp, port ? CSEM_PORT1_START : CSEM_PORT0_START,
5445 port ? CSEM_PORT1_END : CSEM_PORT0_END);
5446 bnx2x_init_block(bp, port ? XSEM_PORT1_START : XSEM_PORT0_START,
5447 port ? XSEM_PORT1_END : XSEM_PORT0_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005448 /* Port UPB comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005449 /* Port XPB comes here */
5450
5451 bnx2x_init_block(bp, port ? PBF_PORT1_START : PBF_PORT0_START,
5452 port ? PBF_PORT1_END : PBF_PORT0_END);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005453
5454 /* configure PBF to work without PAUSE mtu 9000 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005455 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005456
5457 /* update threshold */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005458 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005459 /* update init credit */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005460 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005461
5462 /* probe changes */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005463 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005464 msleep(5);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005465 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005466
5467#ifdef BCM_ISCSI
5468 /* tell the searcher where the T2 table is */
5469 REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64);
5470
5471 wb_write[0] = U64_LO(bp->t2_mapping);
5472 wb_write[1] = U64_HI(bp->t2_mapping);
5473 REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2);
5474 wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64);
5475 wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64);
5476 REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2);
5477
5478 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10);
5479 /* Port SRCH comes here */
5480#endif
5481 /* Port CDU comes here */
5482 /* Port CFC comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005483
5484 if (CHIP_IS_E1(bp)) {
5485 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5486 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5487 }
5488 bnx2x_init_block(bp, port ? HC_PORT1_START : HC_PORT0_START,
5489 port ? HC_PORT1_END : HC_PORT0_END);
5490
5491 bnx2x_init_block(bp, port ? MISC_AEU_PORT1_START :
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005492 MISC_AEU_PORT0_START,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005493 port ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END);
5494 /* init aeu_mask_attn_func_0/1:
5495 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5496 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5497 * bits 4-7 are used for "per vn group attention" */
5498 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4,
5499 (IS_E1HMF(bp) ? 0xF7 : 0x7));
5500
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005501 /* Port PXPCS comes here */
5502 /* Port EMAC0 comes here */
5503 /* Port EMAC1 comes here */
5504 /* Port DBU comes here */
5505 /* Port DBG comes here */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005506 bnx2x_init_block(bp, port ? NIG_PORT1_START : NIG_PORT0_START,
5507 port ? NIG_PORT1_END : NIG_PORT0_END);
5508
5509 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5510
5511 if (CHIP_IS_E1H(bp)) {
5512 u32 wsum;
5513 struct cmng_struct_per_port m_cmng_port;
5514 int vn;
5515
5516 /* 0x2 disable e1hov, 0x1 enable */
5517 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
5518 (IS_E1HMF(bp) ? 0x1 : 0x2));
5519
5520 /* Init RATE SHAPING and FAIRNESS contexts.
5521 Initialize as if there is 10G link. */
5522 wsum = bnx2x_calc_vn_wsum(bp);
5523 bnx2x_init_port_minmax(bp, (int)wsum, 10000, &m_cmng_port);
5524 if (IS_E1HMF(bp))
5525 for (vn = VN_0; vn < E1HVN_MAX; vn++)
5526 bnx2x_init_vn_minmax(bp, 2*vn + port,
5527 wsum, 10000, &m_cmng_port);
5528 }
5529
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005530 /* Port MCP comes here */
5531 /* Port DMAE comes here */
5532
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005533 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08005534 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5535 /* add SPIO 5 to group 0 */
5536 val = REG_RD(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5537 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
5538 REG_WR(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0, val);
5539 break;
5540
5541 default:
5542 break;
5543 }
5544
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07005545 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005546
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005547 return 0;
5548}
5549
5550#define ILT_PER_FUNC (768/2)
5551#define FUNC_ILT_BASE(func) (func * ILT_PER_FUNC)
5552/* the phys address is shifted right 12 bits and has an added
5553 1=valid bit added to the 53rd bit
5554 then since this is a wide register(TM)
5555 we split it into two 32 bit writes
5556 */
5557#define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF))
5558#define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44)))
5559#define PXP_ONE_ILT(x) (((x) << 10) | x)
5560#define PXP_ILT_RANGE(f, l) (((l) << 10) | f)
5561
5562#define CNIC_ILT_LINES 0
5563
5564static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5565{
5566 int reg;
5567
5568 if (CHIP_IS_E1H(bp))
5569 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5570 else /* E1 */
5571 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
5572
5573 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5574}
5575
5576static int bnx2x_init_func(struct bnx2x *bp)
5577{
5578 int port = BP_PORT(bp);
5579 int func = BP_FUNC(bp);
5580 int i;
5581
5582 DP(BNX2X_MSG_MCP, "starting func init func %x\n", func);
5583
5584 i = FUNC_ILT_BASE(func);
5585
5586 bnx2x_ilt_wr(bp, i, bnx2x_sp_mapping(bp, context));
5587 if (CHIP_IS_E1H(bp)) {
5588 REG_WR(bp, PXP2_REG_RQ_CDU_FIRST_ILT, i);
5589 REG_WR(bp, PXP2_REG_RQ_CDU_LAST_ILT, i + CNIC_ILT_LINES);
5590 } else /* E1 */
5591 REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4,
5592 PXP_ILT_RANGE(i, i + CNIC_ILT_LINES));
5593
5594
5595 if (CHIP_IS_E1H(bp)) {
5596 for (i = 0; i < 9; i++)
5597 bnx2x_init_block(bp,
5598 cm_start[func][i], cm_end[func][i]);
5599
5600 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
5601 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->e1hov);
5602 }
5603
5604 /* HC init per function */
5605 if (CHIP_IS_E1H(bp)) {
5606 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5607
5608 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5609 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5610 }
5611 bnx2x_init_block(bp, hc_limits[func][0], hc_limits[func][1]);
5612
5613 if (CHIP_IS_E1H(bp))
5614 REG_WR(bp, HC_REG_FUNC_NUM_P0 + port*4, func);
5615
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005616 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005617 REG_WR(bp, 0x2114, 0xffffffff);
5618 REG_WR(bp, 0x2120, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005619
5620 return 0;
5621}
5622
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005623static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5624{
5625 int i, rc = 0;
5626
5627 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
5628 BP_FUNC(bp), load_code);
5629
5630 bp->dmae_ready = 0;
5631 mutex_init(&bp->dmae_mutex);
5632 bnx2x_gunzip_init(bp);
5633
5634 switch (load_code) {
5635 case FW_MSG_CODE_DRV_LOAD_COMMON:
5636 rc = bnx2x_init_common(bp);
5637 if (rc)
5638 goto init_hw_err;
5639 /* no break */
5640
5641 case FW_MSG_CODE_DRV_LOAD_PORT:
5642 bp->dmae_ready = 1;
5643 rc = bnx2x_init_port(bp);
5644 if (rc)
5645 goto init_hw_err;
5646 /* no break */
5647
5648 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5649 bp->dmae_ready = 1;
5650 rc = bnx2x_init_func(bp);
5651 if (rc)
5652 goto init_hw_err;
5653 break;
5654
5655 default:
5656 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5657 break;
5658 }
5659
5660 if (!BP_NOMCP(bp)) {
5661 int func = BP_FUNC(bp);
5662
5663 bp->fw_drv_pulse_wr_seq =
5664 (SHMEM_RD(bp, func_mb[func].drv_pulse_mb) &
5665 DRV_PULSE_SEQ_MASK);
5666 bp->func_stx = SHMEM_RD(bp, func_mb[func].fw_mb_param);
5667 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x func_stx 0x%x\n",
5668 bp->fw_drv_pulse_wr_seq, bp->func_stx);
5669 } else
5670 bp->func_stx = 0;
5671
5672 /* this needs to be done before gunzip end */
5673 bnx2x_zero_def_sb(bp);
5674 for_each_queue(bp, i)
5675 bnx2x_zero_sb(bp, BP_L_ID(bp) + i);
5676
5677init_hw_err:
5678 bnx2x_gunzip_end(bp);
5679
5680 return rc;
5681}
5682
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005683/* send the MCP a request, block until there is a reply */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005684static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
5685{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005686 int func = BP_FUNC(bp);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005687 u32 seq = ++bp->fw_seq;
5688 u32 rc = 0;
Eilon Greenstein19680c42008-08-13 15:47:33 -07005689 u32 cnt = 1;
5690 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005691
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005692 SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq));
Eliezer Tamirf1410642008-02-28 11:51:50 -08005693 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005694
Eilon Greenstein19680c42008-08-13 15:47:33 -07005695 do {
5696 /* let the FW do it's magic ... */
5697 msleep(delay);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005698
Eilon Greenstein19680c42008-08-13 15:47:33 -07005699 rc = SHMEM_RD(bp, func_mb[func].fw_mb_header);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005700
Eilon Greenstein19680c42008-08-13 15:47:33 -07005701 /* Give the FW up to 2 second (200*10ms) */
5702 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 200));
5703
5704 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
5705 cnt*delay, rc, seq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005706
5707 /* is this a reply to our command? */
5708 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) {
5709 rc &= FW_MSG_CODE_MASK;
Eliezer Tamirf1410642008-02-28 11:51:50 -08005710
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005711 } else {
5712 /* FW BUG! */
5713 BNX2X_ERR("FW failed to respond!\n");
5714 bnx2x_fw_dump(bp);
5715 rc = 0;
5716 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08005717
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005718 return rc;
5719}
5720
5721static void bnx2x_free_mem(struct bnx2x *bp)
5722{
5723
5724#define BNX2X_PCI_FREE(x, y, size) \
5725 do { \
5726 if (x) { \
5727 pci_free_consistent(bp->pdev, size, x, y); \
5728 x = NULL; \
5729 y = 0; \
5730 } \
5731 } while (0)
5732
5733#define BNX2X_FREE(x) \
5734 do { \
5735 if (x) { \
5736 vfree(x); \
5737 x = NULL; \
5738 } \
5739 } while (0)
5740
5741 int i;
5742
5743 /* fastpath */
5744 for_each_queue(bp, i) {
5745
5746 /* Status blocks */
5747 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk),
5748 bnx2x_fp(bp, i, status_blk_mapping),
5749 sizeof(struct host_status_block) +
5750 sizeof(struct eth_tx_db_data));
5751
5752 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5753 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
5754 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
5755 bnx2x_fp(bp, i, tx_desc_mapping),
5756 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5757
5758 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5759 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5760 bnx2x_fp(bp, i, rx_desc_mapping),
5761 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5762
5763 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5764 bnx2x_fp(bp, i, rx_comp_mapping),
5765 sizeof(struct eth_fast_path_rx_cqe) *
5766 NUM_RCQ_BD);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005767
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005768 /* SGE ring */
5769 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5770 bnx2x_fp(bp, i, rx_sge_mapping),
5771 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5772 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005773 /* end of fastpath */
5774
5775 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005776 sizeof(struct host_def_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005777
5778 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005779 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005780
5781#ifdef BCM_ISCSI
5782 BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024);
5783 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024);
5784 BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024);
5785 BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024);
5786#endif
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005787 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005788
5789#undef BNX2X_PCI_FREE
5790#undef BNX2X_KFREE
5791}
5792
5793static int bnx2x_alloc_mem(struct bnx2x *bp)
5794{
5795
5796#define BNX2X_PCI_ALLOC(x, y, size) \
5797 do { \
5798 x = pci_alloc_consistent(bp->pdev, size, y); \
5799 if (x == NULL) \
5800 goto alloc_mem_err; \
5801 memset(x, 0, size); \
5802 } while (0)
5803
5804#define BNX2X_ALLOC(x, size) \
5805 do { \
5806 x = vmalloc(size); \
5807 if (x == NULL) \
5808 goto alloc_mem_err; \
5809 memset(x, 0, size); \
5810 } while (0)
5811
5812 int i;
5813
5814 /* fastpath */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005815 for_each_queue(bp, i) {
5816 bnx2x_fp(bp, i, bp) = bp;
5817
5818 /* Status blocks */
5819 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk),
5820 &bnx2x_fp(bp, i, status_blk_mapping),
5821 sizeof(struct host_status_block) +
5822 sizeof(struct eth_tx_db_data));
5823
5824 bnx2x_fp(bp, i, hw_tx_prods) =
5825 (void *)(bnx2x_fp(bp, i, status_blk) + 1);
5826
5827 bnx2x_fp(bp, i, tx_prods_mapping) =
5828 bnx2x_fp(bp, i, status_blk_mapping) +
5829 sizeof(struct host_status_block);
5830
5831 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5832 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
5833 sizeof(struct sw_tx_bd) * NUM_TX_BD);
5834 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
5835 &bnx2x_fp(bp, i, tx_desc_mapping),
5836 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5837
5838 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
5839 sizeof(struct sw_rx_bd) * NUM_RX_BD);
5840 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
5841 &bnx2x_fp(bp, i, rx_desc_mapping),
5842 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5843
5844 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
5845 &bnx2x_fp(bp, i, rx_comp_mapping),
5846 sizeof(struct eth_fast_path_rx_cqe) *
5847 NUM_RCQ_BD);
5848
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005849 /* SGE ring */
5850 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
5851 sizeof(struct sw_rx_page) * NUM_RX_SGE);
5852 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
5853 &bnx2x_fp(bp, i, rx_sge_mapping),
5854 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005855 }
5856 /* end of fastpath */
5857
5858 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
5859 sizeof(struct host_def_status_block));
5860
5861 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5862 sizeof(struct bnx2x_slowpath));
5863
5864#ifdef BCM_ISCSI
5865 BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024);
5866
5867 /* Initialize T1 */
5868 for (i = 0; i < 64*1024; i += 64) {
5869 *(u64 *)((char *)bp->t1 + i + 56) = 0x0UL;
5870 *(u64 *)((char *)bp->t1 + i + 3) = 0x0UL;
5871 }
5872
5873 /* allocate searcher T2 table
5874 we allocate 1/4 of alloc num for T2
5875 (which is not entered into the ILT) */
5876 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024);
5877
5878 /* Initialize T2 */
5879 for (i = 0; i < 16*1024; i += 64)
5880 * (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64;
5881
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005882 /* now fixup the last line in the block to point to the next block */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005883 *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping;
5884
5885 /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */
5886 BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024);
5887
5888 /* QM queues (128*MAX_CONN) */
5889 BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024);
5890#endif
5891
5892 /* Slow path ring */
5893 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5894
5895 return 0;
5896
5897alloc_mem_err:
5898 bnx2x_free_mem(bp);
5899 return -ENOMEM;
5900
5901#undef BNX2X_PCI_ALLOC
5902#undef BNX2X_ALLOC
5903}
5904
5905static void bnx2x_free_tx_skbs(struct bnx2x *bp)
5906{
5907 int i;
5908
5909 for_each_queue(bp, i) {
5910 struct bnx2x_fastpath *fp = &bp->fp[i];
5911
5912 u16 bd_cons = fp->tx_bd_cons;
5913 u16 sw_prod = fp->tx_pkt_prod;
5914 u16 sw_cons = fp->tx_pkt_cons;
5915
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005916 while (sw_cons != sw_prod) {
5917 bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons));
5918 sw_cons++;
5919 }
5920 }
5921}
5922
5923static void bnx2x_free_rx_skbs(struct bnx2x *bp)
5924{
5925 int i, j;
5926
5927 for_each_queue(bp, j) {
5928 struct bnx2x_fastpath *fp = &bp->fp[j];
5929
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005930 for (i = 0; i < NUM_RX_BD; i++) {
5931 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i];
5932 struct sk_buff *skb = rx_buf->skb;
5933
5934 if (skb == NULL)
5935 continue;
5936
5937 pci_unmap_single(bp->pdev,
5938 pci_unmap_addr(rx_buf, mapping),
5939 bp->rx_buf_use_size,
5940 PCI_DMA_FROMDEVICE);
5941
5942 rx_buf->skb = NULL;
5943 dev_kfree_skb(skb);
5944 }
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005945 if (!fp->disable_tpa)
5946 bnx2x_free_tpa_pool(bp, fp,
5947 ETH_MAX_AGGREGATION_QUEUES_E1H);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005948 }
5949}
5950
5951static void bnx2x_free_skbs(struct bnx2x *bp)
5952{
5953 bnx2x_free_tx_skbs(bp);
5954 bnx2x_free_rx_skbs(bp);
5955}
5956
5957static void bnx2x_free_msix_irqs(struct bnx2x *bp)
5958{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005959 int i, offset = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005960
5961 free_irq(bp->msix_table[0].vector, bp->dev);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005962 DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005963 bp->msix_table[0].vector);
5964
5965 for_each_queue(bp, i) {
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005966 DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq "
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005967 "state %x\n", i, bp->msix_table[i + offset].vector,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005968 bnx2x_fp(bp, i, state));
5969
Eliezer Tamir228241e2008-02-28 11:56:57 -08005970 if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED)
5971 BNX2X_ERR("IRQ of fp #%d being freed while "
5972 "state != closed\n", i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005973
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005974 free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005975 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005976}
5977
5978static void bnx2x_free_irq(struct bnx2x *bp)
5979{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005980 if (bp->flags & USING_MSIX_FLAG) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005981 bnx2x_free_msix_irqs(bp);
5982 pci_disable_msix(bp->pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005983 bp->flags &= ~USING_MSIX_FLAG;
5984
5985 } else
5986 free_irq(bp->pdev->irq, bp->dev);
5987}
5988
5989static int bnx2x_enable_msix(struct bnx2x *bp)
5990{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005991 int i, rc, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005992
5993 bp->msix_table[0].entry = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005994 offset = 1;
5995 DP(NETIF_MSG_IFUP, "msix_table[0].entry = 0 (slowpath)\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005996
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005997 for_each_queue(bp, i) {
5998 int igu_vec = offset + i + BP_L_ID(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005999
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006000 bp->msix_table[i + offset].entry = igu_vec;
6001 DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d "
6002 "(fastpath #%u)\n", i + offset, igu_vec, i);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006003 }
6004
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006005 rc = pci_enable_msix(bp->pdev, &bp->msix_table[0],
6006 bp->num_queues + offset);
6007 if (rc) {
6008 DP(NETIF_MSG_IFUP, "MSI-X is not attainable\n");
6009 return -1;
6010 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006011 bp->flags |= USING_MSIX_FLAG;
6012
6013 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006014}
6015
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006016static int bnx2x_req_msix_irqs(struct bnx2x *bp)
6017{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006018 int i, rc, offset = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006019
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006020 rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0,
6021 bp->dev->name, bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006022 if (rc) {
6023 BNX2X_ERR("request sp irq failed\n");
6024 return -EBUSY;
6025 }
6026
6027 for_each_queue(bp, i) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006028 rc = request_irq(bp->msix_table[i + offset].vector,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006029 bnx2x_msix_fp_int, 0,
6030 bp->dev->name, &bp->fp[i]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006031 if (rc) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006032 BNX2X_ERR("request fp #%d irq failed rc %d\n",
6033 i + offset, rc);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006034 bnx2x_free_msix_irqs(bp);
6035 return -EBUSY;
6036 }
6037
6038 bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006039 }
6040
6041 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006042}
6043
6044static int bnx2x_req_irq(struct bnx2x *bp)
6045{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006046 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006047
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006048 rc = request_irq(bp->pdev->irq, bnx2x_interrupt, IRQF_SHARED,
6049 bp->dev->name, bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006050 if (!rc)
6051 bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ;
6052
6053 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006054}
6055
6056/*
6057 * Init service functions
6058 */
6059
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006060static void bnx2x_set_mac_addr_e1(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006061{
6062 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006063 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006064
6065 /* CAM allocation
6066 * unicasts 0-31:port0 32-63:port1
6067 * multicast 64-127:port0 128-191:port1
6068 */
6069 config->hdr.length_6b = 2;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006070 config->hdr.offset = port ? 31 : 0;
6071 config->hdr.client_id = BP_CL_ID(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006072 config->hdr.reserved1 = 0;
6073
6074 /* primary MAC */
6075 config->config_table[0].cam_entry.msb_mac_addr =
6076 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6077 config->config_table[0].cam_entry.middle_mac_addr =
6078 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6079 config->config_table[0].cam_entry.lsb_mac_addr =
6080 swab16(*(u16 *)&bp->dev->dev_addr[4]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006081 config->config_table[0].cam_entry.flags = cpu_to_le16(port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006082 config->config_table[0].target_table_entry.flags = 0;
6083 config->config_table[0].target_table_entry.client_id = 0;
6084 config->config_table[0].target_table_entry.vlan_id = 0;
6085
6086 DP(NETIF_MSG_IFUP, "setting MAC (%04x:%04x:%04x)\n",
6087 config->config_table[0].cam_entry.msb_mac_addr,
6088 config->config_table[0].cam_entry.middle_mac_addr,
6089 config->config_table[0].cam_entry.lsb_mac_addr);
6090
6091 /* broadcast */
6092 config->config_table[1].cam_entry.msb_mac_addr = 0xffff;
6093 config->config_table[1].cam_entry.middle_mac_addr = 0xffff;
6094 config->config_table[1].cam_entry.lsb_mac_addr = 0xffff;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006095 config->config_table[1].cam_entry.flags = cpu_to_le16(port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006096 config->config_table[1].target_table_entry.flags =
6097 TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST;
6098 config->config_table[1].target_table_entry.client_id = 0;
6099 config->config_table[1].target_table_entry.vlan_id = 0;
6100
6101 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6102 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6103 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6104}
6105
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006106static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp)
6107{
6108 struct mac_configuration_cmd_e1h *config =
6109 (struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config);
6110
6111 if (bp->state != BNX2X_STATE_OPEN) {
6112 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
6113 return;
6114 }
6115
6116 /* CAM allocation for E1H
6117 * unicasts: by func number
6118 * multicast: 20+FUNC*20, 20 each
6119 */
6120 config->hdr.length_6b = 1;
6121 config->hdr.offset = BP_FUNC(bp);
6122 config->hdr.client_id = BP_CL_ID(bp);
6123 config->hdr.reserved1 = 0;
6124
6125 /* primary MAC */
6126 config->config_table[0].msb_mac_addr =
6127 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6128 config->config_table[0].middle_mac_addr =
6129 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6130 config->config_table[0].lsb_mac_addr =
6131 swab16(*(u16 *)&bp->dev->dev_addr[4]);
6132 config->config_table[0].client_id = BP_L_ID(bp);
6133 config->config_table[0].vlan_id = 0;
6134 config->config_table[0].e1hov_id = cpu_to_le16(bp->e1hov);
6135 config->config_table[0].flags = BP_PORT(bp);
6136
6137 DP(NETIF_MSG_IFUP, "setting MAC (%04x:%04x:%04x) E1HOV %d CLID %d\n",
6138 config->config_table[0].msb_mac_addr,
6139 config->config_table[0].middle_mac_addr,
6140 config->config_table[0].lsb_mac_addr, bp->e1hov, BP_L_ID(bp));
6141
6142 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6143 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6144 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6145}
6146
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006147static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6148 int *state_p, int poll)
6149{
6150 /* can take a while if any port is running */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006151 int cnt = 500;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006152
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006153 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6154 poll ? "polling" : "waiting", state, idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006155
6156 might_sleep();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006157 while (cnt--) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006158 if (poll) {
6159 bnx2x_rx_int(bp->fp, 10);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006160 /* if index is different from 0
6161 * the reply for some commands will
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006162 * be on the none default queue
6163 */
6164 if (idx)
6165 bnx2x_rx_int(&bp->fp[idx], 10);
6166 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006167 mb(); /* state is changed by bnx2x_sp_event() */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006168
Eliezer Tamir49d66772008-02-28 11:53:13 -08006169 if (*state_p == state)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006170 return 0;
6171
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006172 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006173 }
6174
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006175 /* timeout! */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006176 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6177 poll ? "polling" : "waiting", state, idx);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006178#ifdef BNX2X_STOP_ON_ERROR
6179 bnx2x_panic();
6180#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006181
Eliezer Tamir49d66772008-02-28 11:53:13 -08006182 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006183}
6184
6185static int bnx2x_setup_leading(struct bnx2x *bp)
6186{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006187 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006188
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006189 /* reset IGU state */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006190 bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006191
6192 /* SETUP ramrod */
6193 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0);
6194
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006195 /* Wait for completion */
6196 rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006197
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006198 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006199}
6200
6201static int bnx2x_setup_multi(struct bnx2x *bp, int index)
6202{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006203 /* reset IGU state */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006204 bnx2x_ack_sb(bp, bp->fp[index].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006205
Eliezer Tamir228241e2008-02-28 11:56:57 -08006206 /* SETUP ramrod */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006207 bp->fp[index].state = BNX2X_FP_STATE_OPENING;
6208 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0);
6209
6210 /* Wait for completion */
6211 return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index,
Eliezer Tamir228241e2008-02-28 11:56:57 -08006212 &(bp->fp[index].state), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006213}
6214
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006215static int bnx2x_poll(struct napi_struct *napi, int budget);
6216static void bnx2x_set_rx_mode(struct net_device *dev);
6217
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006218/* must be called with rtnl_lock */
6219static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006220{
Eliezer Tamir228241e2008-02-28 11:56:57 -08006221 u32 load_code;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006222 int i, rc;
6223
6224#ifdef BNX2X_STOP_ON_ERROR
6225 if (unlikely(bp->panic))
6226 return -EPERM;
6227#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006228
6229 bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;
6230
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006231 /* Send LOAD_REQUEST command to MCP
6232 Returns the type of LOAD command:
6233 if it is the first port to be initialized
6234 common blocks should be initialized, otherwise - not
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006235 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006236 if (!BP_NOMCP(bp)) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08006237 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ);
6238 if (!load_code) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006239 BNX2X_ERR("MCP response failure, aborting\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08006240 return -EBUSY;
6241 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006242 if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006243 return -EBUSY; /* other port in diagnostic mode */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006244
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006245 } else {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006246 int port = BP_PORT(bp);
6247
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006248 DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n",
6249 load_count[0], load_count[1], load_count[2]);
6250 load_count[0]++;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006251 load_count[1 + port]++;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006252 DP(NETIF_MSG_IFUP, "NO MCP new load counts %d, %d, %d\n",
6253 load_count[0], load_count[1], load_count[2]);
6254 if (load_count[0] == 1)
6255 load_code = FW_MSG_CODE_DRV_LOAD_COMMON;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006256 else if (load_count[1 + port] == 1)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006257 load_code = FW_MSG_CODE_DRV_LOAD_PORT;
6258 else
6259 load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006260 }
6261
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006262 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) ||
6263 (load_code == FW_MSG_CODE_DRV_LOAD_PORT))
6264 bp->port.pmf = 1;
6265 else
6266 bp->port.pmf = 0;
6267 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
6268
6269 /* if we can't use MSI-X we only need one fp,
6270 * so try to enable MSI-X with the requested number of fp's
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006271 * and fallback to inta with one fp
6272 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006273 if (use_inta) {
6274 bp->num_queues = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006275
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006276 } else {
6277 if ((use_multi > 1) && (use_multi <= BP_MAX_QUEUES(bp)))
6278 /* user requested number */
6279 bp->num_queues = use_multi;
6280
6281 else if (use_multi)
6282 bp->num_queues = min_t(u32, num_online_cpus(),
6283 BP_MAX_QUEUES(bp));
6284 else
6285 bp->num_queues = 1;
6286
6287 if (bnx2x_enable_msix(bp)) {
6288 /* failed to enable MSI-X */
6289 bp->num_queues = 1;
6290 if (use_multi)
6291 BNX2X_ERR("Multi requested but failed"
6292 " to enable MSI-X\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006293 }
6294 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006295 DP(NETIF_MSG_IFUP,
6296 "set number of queues to %d\n", bp->num_queues);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006297
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006298 if (bnx2x_alloc_mem(bp))
6299 return -ENOMEM;
6300
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006301 for_each_queue(bp, i)
6302 bnx2x_fp(bp, i, disable_tpa) =
6303 ((bp->flags & TPA_ENABLE_FLAG) == 0);
6304
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006305 if (bp->flags & USING_MSIX_FLAG) {
6306 rc = bnx2x_req_msix_irqs(bp);
6307 if (rc) {
6308 pci_disable_msix(bp->pdev);
6309 goto load_error;
6310 }
6311 } else {
6312 bnx2x_ack_int(bp);
6313 rc = bnx2x_req_irq(bp);
6314 if (rc) {
6315 BNX2X_ERR("IRQ request failed, aborting\n");
6316 goto load_error;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006317 }
6318 }
6319
6320 for_each_queue(bp, i)
6321 netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
6322 bnx2x_poll, 128);
6323
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006324 /* Initialize HW */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006325 rc = bnx2x_init_hw(bp, load_code);
6326 if (rc) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006327 BNX2X_ERR("HW init failed, aborting\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08006328 goto load_error;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006329 }
6330
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006331 /* Setup NIC internals and enable interrupts */
Eilon Greenstein471de712008-08-13 15:49:35 -07006332 bnx2x_nic_init(bp, load_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006333
6334 /* Send LOAD_DONE command to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006335 if (!BP_NOMCP(bp)) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08006336 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE);
6337 if (!load_code) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006338 BNX2X_ERR("MCP response failure, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006339 rc = -EBUSY;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006340 goto load_int_disable;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006341 }
6342 }
6343
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07006344 bnx2x_stats_init(bp);
6345
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006346 bp->state = BNX2X_STATE_OPENING_WAIT4_PORT;
6347
6348 /* Enable Rx interrupt handling before sending the ramrod
6349 as it's completed on Rx FP queue */
6350 for_each_queue(bp, i)
6351 napi_enable(&bnx2x_fp(bp, i, napi));
6352
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006353 /* Enable interrupt handling */
6354 atomic_set(&bp->intr_sem, 0);
6355
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006356 rc = bnx2x_setup_leading(bp);
6357 if (rc) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006358 BNX2X_ERR("Setup leading failed!\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08006359 goto load_stop_netif;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006360 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006361
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006362 if (CHIP_IS_E1H(bp))
6363 if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) {
6364 BNX2X_ERR("!!! mf_cfg function disabled\n");
6365 bp->state = BNX2X_STATE_DISABLED;
6366 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006367
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006368 if (bp->state == BNX2X_STATE_OPEN)
6369 for_each_nondefault_queue(bp, i) {
6370 rc = bnx2x_setup_multi(bp, i);
6371 if (rc)
6372 goto load_stop_netif;
6373 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006374
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006375 if (CHIP_IS_E1(bp))
6376 bnx2x_set_mac_addr_e1(bp);
6377 else
6378 bnx2x_set_mac_addr_e1h(bp);
6379
6380 if (bp->port.pmf)
6381 bnx2x_initial_phy_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006382
6383 /* Start fast path */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006384 switch (load_mode) {
6385 case LOAD_NORMAL:
6386 /* Tx queue should be only reenabled */
6387 netif_wake_queue(bp->dev);
6388 bnx2x_set_rx_mode(bp->dev);
6389 break;
6390
6391 case LOAD_OPEN:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006392 netif_start_queue(bp->dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006393 bnx2x_set_rx_mode(bp->dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006394 if (bp->flags & USING_MSIX_FLAG)
6395 printk(KERN_INFO PFX "%s: using MSI-X\n",
6396 bp->dev->name);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006397 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006398
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006399 case LOAD_DIAG:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006400 bnx2x_set_rx_mode(bp->dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006401 bp->state = BNX2X_STATE_DIAG;
6402 break;
6403
6404 default:
6405 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006406 }
6407
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006408 if (!bp->port.pmf)
6409 bnx2x__link_status_update(bp);
6410
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006411 /* start the timer */
6412 mod_timer(&bp->timer, jiffies + bp->current_interval);
6413
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006414
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006415 return 0;
6416
Eliezer Tamir228241e2008-02-28 11:56:57 -08006417load_stop_netif:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006418 for_each_queue(bp, i)
6419 napi_disable(&bnx2x_fp(bp, i, napi));
6420
Eliezer Tamir228241e2008-02-28 11:56:57 -08006421load_int_disable:
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08006422 bnx2x_int_disable_sync(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006423
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006424 /* Release IRQs */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006425 bnx2x_free_irq(bp);
6426
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006427 /* Free SKBs, SGEs, TPA pool and driver internals */
6428 bnx2x_free_skbs(bp);
6429 for_each_queue(bp, i)
6430 bnx2x_free_rx_sge_range(bp, bp->fp + i,
6431 RX_SGE_CNT*NUM_RX_SGE_PAGES);
Eliezer Tamir228241e2008-02-28 11:56:57 -08006432load_error:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006433 bnx2x_free_mem(bp);
6434
6435 /* TBD we really need to reset the chip
6436 if we want to recover from this */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006437 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006438}
6439
6440static int bnx2x_stop_multi(struct bnx2x *bp, int index)
6441{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006442 int rc;
6443
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006444 /* halt the connection */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006445 bp->fp[index].state = BNX2X_FP_STATE_HALTING;
6446 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, 0, 0);
6447
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006448 /* Wait for completion */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006449 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006450 &(bp->fp[index].state), 1);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006451 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006452 return rc;
6453
6454 /* delete cfc entry */
6455 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1);
6456
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006457 /* Wait for completion */
6458 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index,
6459 &(bp->fp[index].state), 1);
6460 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006461}
6462
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006463static int bnx2x_stop_leading(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006464{
Eliezer Tamir49d66772008-02-28 11:53:13 -08006465 u16 dsb_sp_prod_idx;
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006466 /* if the other port is handling traffic,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006467 this can take a lot of time */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006468 int cnt = 500;
6469 int rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006470
6471 might_sleep();
6472
6473 /* Send HALT ramrod */
6474 bp->fp[0].state = BNX2X_FP_STATE_HALTING;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006475 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, BP_CL_ID(bp), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006476
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006477 /* Wait for completion */
6478 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0,
6479 &(bp->fp[0].state), 1);
6480 if (rc) /* timeout */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006481 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006482
Eliezer Tamir49d66772008-02-28 11:53:13 -08006483 dsb_sp_prod_idx = *bp->dsb_sp_prod;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006484
Eliezer Tamir228241e2008-02-28 11:56:57 -08006485 /* Send PORT_DELETE ramrod */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006486 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1);
6487
Eliezer Tamir49d66772008-02-28 11:53:13 -08006488 /* Wait for completion to arrive on default status block
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006489 we are going to reset the chip anyway
6490 so there is not much to do if this times out
6491 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006492 while (dsb_sp_prod_idx == *bp->dsb_sp_prod) {
Eliezer Tamir49d66772008-02-28 11:53:13 -08006493 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006494 if (!cnt) {
6495 DP(NETIF_MSG_IFDOWN, "timeout waiting for port del "
6496 "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n",
6497 *bp->dsb_sp_prod, dsb_sp_prod_idx);
6498#ifdef BNX2X_STOP_ON_ERROR
6499 bnx2x_panic();
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006500#else
6501 rc = -EBUSY;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006502#endif
6503 break;
6504 }
6505 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006506 msleep(1);
Eliezer Tamir49d66772008-02-28 11:53:13 -08006507 }
6508 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
6509 bp->fp[0].state = BNX2X_FP_STATE_CLOSED;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006510
6511 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006512}
6513
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006514static void bnx2x_reset_func(struct bnx2x *bp)
6515{
6516 int port = BP_PORT(bp);
6517 int func = BP_FUNC(bp);
6518 int base, i;
Eliezer Tamir49d66772008-02-28 11:53:13 -08006519
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006520 /* Configure IGU */
6521 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6522 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6523
6524 REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000);
6525
6526 /* Clear ILT */
6527 base = FUNC_ILT_BASE(func);
6528 for (i = base; i < base + ILT_PER_FUNC; i++)
6529 bnx2x_ilt_wr(bp, i, 0);
6530}
6531
6532static void bnx2x_reset_port(struct bnx2x *bp)
6533{
6534 int port = BP_PORT(bp);
6535 u32 val;
6536
6537 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6538
6539 /* Do not rcv packets to BRB */
6540 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6541 /* Do not direct rcv packets that are not for MCP to the BRB */
6542 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6543 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6544
6545 /* Configure AEU */
6546 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6547
6548 msleep(100);
6549 /* Check for BRB port occupancy */
6550 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6551 if (val)
6552 DP(NETIF_MSG_IFDOWN,
6553 "BRB1 is not empty %d blooks are occupied\n", val);
6554
6555 /* TODO: Close Doorbell port? */
6556}
6557
6558static void bnx2x_reset_common(struct bnx2x *bp)
6559{
6560 /* reset_common */
6561 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6562 0xd3ffff7f);
6563 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
6564}
6565
6566static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6567{
6568 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
6569 BP_FUNC(bp), reset_code);
6570
6571 switch (reset_code) {
6572 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
6573 bnx2x_reset_port(bp);
6574 bnx2x_reset_func(bp);
6575 bnx2x_reset_common(bp);
6576 break;
6577
6578 case FW_MSG_CODE_DRV_UNLOAD_PORT:
6579 bnx2x_reset_port(bp);
6580 bnx2x_reset_func(bp);
6581 break;
6582
6583 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
6584 bnx2x_reset_func(bp);
6585 break;
6586
6587 default:
6588 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
6589 break;
6590 }
6591}
6592
6593/* msut be called with rtnl_lock */
6594static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006595{
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006596 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006597 u32 reset_code = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006598 int i, cnt, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006599
6600 bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;
6601
Eliezer Tamir228241e2008-02-28 11:56:57 -08006602 bp->rx_mode = BNX2X_RX_MODE_NONE;
6603 bnx2x_set_storm_rx_mode(bp);
6604
6605 if (netif_running(bp->dev)) {
6606 netif_tx_disable(bp->dev);
6607 bp->dev->trans_start = jiffies; /* prevent tx timeout */
6608 }
6609
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006610 del_timer_sync(&bp->timer);
6611 SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb,
6612 (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq));
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07006613 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006614
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006615 /* Wait until tx fast path tasks complete */
Eliezer Tamir228241e2008-02-28 11:56:57 -08006616 for_each_queue(bp, i) {
6617 struct bnx2x_fastpath *fp = &bp->fp[i];
6618
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006619 cnt = 1000;
6620 smp_rmb();
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006621 while (BNX2X_HAS_TX_WORK(fp)) {
6622
6623 if (!netif_running(bp->dev))
6624 bnx2x_tx_int(fp, 1000);
6625
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006626 if (!cnt) {
6627 BNX2X_ERR("timeout waiting for queue[%d]\n",
6628 i);
6629#ifdef BNX2X_STOP_ON_ERROR
6630 bnx2x_panic();
6631 return -EBUSY;
6632#else
6633 break;
6634#endif
6635 }
6636 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006637 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006638 smp_rmb();
6639 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08006640 }
6641
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006642 /* Give HW time to discard old tx messages */
6643 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006644
Eliezer Tamir228241e2008-02-28 11:56:57 -08006645 for_each_queue(bp, i)
6646 napi_disable(&bnx2x_fp(bp, i, napi));
6647 /* Disable interrupts after Tx and Rx are disabled on stack level */
6648 bnx2x_int_disable_sync(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006649
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006650 /* Release IRQs */
6651 bnx2x_free_irq(bp);
6652
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006653 if (unload_mode == UNLOAD_NORMAL)
6654 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006655
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006656 else if (bp->flags & NO_WOL_FLAG) {
6657 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
6658 if (CHIP_IS_E1H(bp))
6659 REG_WR(bp, MISC_REG_E1HMF_MODE, 0);
6660
6661 } else if (bp->wol) {
6662 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006663 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006664 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006665 /* The mac address is written to entries 1-4 to
6666 preserve entry 0 which is used by the PMF */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006667 u8 entry = (BP_E1HVN(bp) + 1)*8;
6668
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006669 val = (mac_addr[0] << 8) | mac_addr[1];
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006670 EMAC_WR(EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006671
6672 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
6673 (mac_addr[4] << 8) | mac_addr[5];
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006674 EMAC_WR(EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006675
6676 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006677
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006678 } else
6679 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6680
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006681 if (CHIP_IS_E1H(bp))
6682 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
6683
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006684 /* Close multi and leading connections
6685 Completions for ramrods are collected in a synchronous way */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006686 for_each_nondefault_queue(bp, i)
6687 if (bnx2x_stop_multi(bp, i))
Eliezer Tamir228241e2008-02-28 11:56:57 -08006688 goto unload_error;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006689
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006690 rc = bnx2x_stop_leading(bp);
6691 if (rc) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006692 BNX2X_ERR("Stop leading failed!\n");
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006693#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006694 return -EBUSY;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006695#else
6696 goto unload_error;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006697#endif
Eliezer Tamir228241e2008-02-28 11:56:57 -08006698 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006699
Eliezer Tamir228241e2008-02-28 11:56:57 -08006700unload_error:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006701 if (!BP_NOMCP(bp))
Eliezer Tamir228241e2008-02-28 11:56:57 -08006702 reset_code = bnx2x_fw_command(bp, reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006703 else {
6704 DP(NETIF_MSG_IFDOWN, "NO MCP load counts %d, %d, %d\n",
6705 load_count[0], load_count[1], load_count[2]);
6706 load_count[0]--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006707 load_count[1 + port]--;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006708 DP(NETIF_MSG_IFDOWN, "NO MCP new load counts %d, %d, %d\n",
6709 load_count[0], load_count[1], load_count[2]);
6710 if (load_count[0] == 0)
6711 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006712 else if (load_count[1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006713 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
6714 else
6715 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
6716 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006717
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006718 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
6719 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
6720 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006721
6722 /* Reset the chip */
Eliezer Tamir228241e2008-02-28 11:56:57 -08006723 bnx2x_reset_chip(bp, reset_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006724
6725 /* Report UNLOAD_DONE to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006726 if (!BP_NOMCP(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006727 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6728
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006729 /* Free SKBs, SGEs, TPA pool and driver internals */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006730 bnx2x_free_skbs(bp);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006731 for_each_queue(bp, i)
6732 bnx2x_free_rx_sge_range(bp, bp->fp + i,
6733 RX_SGE_CNT*NUM_RX_SGE_PAGES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006734 bnx2x_free_mem(bp);
6735
6736 bp->state = BNX2X_STATE_CLOSED;
Eliezer Tamir228241e2008-02-28 11:56:57 -08006737
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006738 netif_carrier_off(bp->dev);
6739
6740 return 0;
6741}
6742
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006743static void bnx2x_reset_task(struct work_struct *work)
6744{
6745 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task);
6746
6747#ifdef BNX2X_STOP_ON_ERROR
6748 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
6749 " so reset not done to allow debug dump,\n"
6750 KERN_ERR " you will need to reboot when done\n");
6751 return;
6752#endif
6753
6754 rtnl_lock();
6755
6756 if (!netif_running(bp->dev))
6757 goto reset_task_exit;
6758
6759 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
6760 bnx2x_nic_load(bp, LOAD_NORMAL);
6761
6762reset_task_exit:
6763 rtnl_unlock();
6764}
6765
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006766/* end of nic load/unload */
6767
6768/* ethtool_ops */
6769
6770/*
6771 * Init service functions
6772 */
6773
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006774static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006775{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006776 u32 val;
6777
6778 /* Check if there is any driver already loaded */
6779 val = REG_RD(bp, MISC_REG_UNPREPARED);
6780 if (val == 0x1) {
6781 /* Check if it is the UNDI driver
6782 * UNDI driver initializes CID offset for normal bell to 0x7
6783 */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07006784 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006785 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
6786 if (val == 0x7) {
6787 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006788 /* save our func */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006789 int func = BP_FUNC(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006790 u32 swap_en;
6791 u32 swap_val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006792
6793 BNX2X_DEV_INFO("UNDI is active! reset device\n");
6794
6795 /* try unload UNDI on port 0 */
6796 bp->func = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006797 bp->fw_seq =
6798 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6799 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006800 reset_code = bnx2x_fw_command(bp, reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006801
6802 /* if UNDI is loaded on the other port */
6803 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
6804
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006805 /* send "DONE" for previous unload */
6806 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6807
6808 /* unload UNDI on port 1 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006809 bp->func = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006810 bp->fw_seq =
6811 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6812 DRV_MSG_SEQ_NUMBER_MASK);
6813 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006814
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006815 bnx2x_fw_command(bp, reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006816 }
6817
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006818 REG_WR(bp, (BP_PORT(bp) ? HC_REG_CONFIG_1 :
6819 HC_REG_CONFIG_0), 0x1000);
6820
6821 /* close input traffic and wait for it */
6822 /* Do not rcv packets to BRB */
6823 REG_WR(bp,
6824 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
6825 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
6826 /* Do not direct rcv packets that are not for MCP to
6827 * the BRB */
6828 REG_WR(bp,
6829 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
6830 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6831 /* clear AEU */
6832 REG_WR(bp,
6833 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
6834 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
6835 msleep(10);
6836
6837 /* save NIG port swap info */
6838 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
6839 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006840 /* reset device */
6841 REG_WR(bp,
6842 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006843 0xd3ffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006844 REG_WR(bp,
6845 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
6846 0x1403);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006847 /* take the NIG out of reset and restore swap values */
6848 REG_WR(bp,
6849 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6850 MISC_REGISTERS_RESET_REG_1_RST_NIG);
6851 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
6852 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
6853
6854 /* send unload done to the MCP */
6855 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6856
6857 /* restore our func and fw_seq */
6858 bp->func = func;
6859 bp->fw_seq =
6860 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6861 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006862 }
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07006863 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006864 }
6865}
6866
6867static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
6868{
6869 u32 val, val2, val3, val4, id;
6870
6871 /* Get the chip revision id and number. */
6872 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
6873 val = REG_RD(bp, MISC_REG_CHIP_NUM);
6874 id = ((val & 0xffff) << 16);
6875 val = REG_RD(bp, MISC_REG_CHIP_REV);
6876 id |= ((val & 0xf) << 12);
6877 val = REG_RD(bp, MISC_REG_CHIP_METAL);
6878 id |= ((val & 0xff) << 4);
6879 REG_RD(bp, MISC_REG_BOND_ID);
6880 id |= (val & 0xf);
6881 bp->common.chip_id = id;
6882 bp->link_params.chip_id = bp->common.chip_id;
6883 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
6884
6885 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
6886 bp->common.flash_size = (NVRAM_1MB_SIZE <<
6887 (val & MCPR_NVM_CFG4_FLASH_SIZE));
6888 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
6889 bp->common.flash_size, bp->common.flash_size);
6890
6891 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
6892 bp->link_params.shmem_base = bp->common.shmem_base;
6893 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
6894
6895 if (!bp->common.shmem_base ||
6896 (bp->common.shmem_base < 0xA0000) ||
6897 (bp->common.shmem_base >= 0xC0000)) {
6898 BNX2X_DEV_INFO("MCP not active\n");
6899 bp->flags |= NO_MCP_FLAG;
6900 return;
6901 }
6902
6903 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
6904 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6905 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6906 BNX2X_ERR("BAD MCP validity signature\n");
6907
6908 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
6909 bp->common.board = SHMEM_RD(bp, dev_info.shared_hw_config.board);
6910
6911 BNX2X_DEV_INFO("hw_config 0x%08x board 0x%08x\n",
6912 bp->common.hw_config, bp->common.board);
6913
6914 bp->link_params.hw_led_mode = ((bp->common.hw_config &
6915 SHARED_HW_CFG_LED_MODE_MASK) >>
6916 SHARED_HW_CFG_LED_MODE_SHIFT);
6917
6918 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
6919 bp->common.bc_ver = val;
6920 BNX2X_DEV_INFO("bc_ver %X\n", val);
6921 if (val < BNX2X_BC_VER) {
6922 /* for now only warn
6923 * later we might need to enforce this */
6924 BNX2X_ERR("This driver needs bc_ver %X but found %X,"
6925 " please upgrade BC\n", BNX2X_BC_VER, val);
6926 }
6927 BNX2X_DEV_INFO("%sWoL Capable\n",
6928 (bp->flags & NO_WOL_FLAG)? "Not " : "");
6929
6930 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
6931 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
6932 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
6933 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
6934
6935 printk(KERN_INFO PFX "part number %X-%X-%X-%X\n",
6936 val, val2, val3, val4);
6937}
6938
6939static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
6940 u32 switch_cfg)
6941{
6942 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006943 u32 ext_phy_type;
6944
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006945 switch (switch_cfg) {
6946 case SWITCH_CFG_1G:
6947 BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg);
6948
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07006949 ext_phy_type =
6950 SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006951 switch (ext_phy_type) {
6952 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
6953 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
6954 ext_phy_type);
6955
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006956 bp->port.supported |= (SUPPORTED_10baseT_Half |
6957 SUPPORTED_10baseT_Full |
6958 SUPPORTED_100baseT_Half |
6959 SUPPORTED_100baseT_Full |
6960 SUPPORTED_1000baseT_Full |
6961 SUPPORTED_2500baseX_Full |
6962 SUPPORTED_TP |
6963 SUPPORTED_FIBRE |
6964 SUPPORTED_Autoneg |
6965 SUPPORTED_Pause |
6966 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006967 break;
6968
6969 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
6970 BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n",
6971 ext_phy_type);
6972
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006973 bp->port.supported |= (SUPPORTED_10baseT_Half |
6974 SUPPORTED_10baseT_Full |
6975 SUPPORTED_100baseT_Half |
6976 SUPPORTED_100baseT_Full |
6977 SUPPORTED_1000baseT_Full |
6978 SUPPORTED_TP |
6979 SUPPORTED_FIBRE |
6980 SUPPORTED_Autoneg |
6981 SUPPORTED_Pause |
6982 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006983 break;
6984
6985 default:
6986 BNX2X_ERR("NVRAM config error. "
6987 "BAD SerDes ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07006988 bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006989 return;
6990 }
6991
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006992 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
6993 port*0x10);
6994 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006995 break;
6996
6997 case SWITCH_CFG_10G:
6998 BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg);
6999
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007000 ext_phy_type =
7001 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007002 switch (ext_phy_type) {
7003 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7004 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7005 ext_phy_type);
7006
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007007 bp->port.supported |= (SUPPORTED_10baseT_Half |
7008 SUPPORTED_10baseT_Full |
7009 SUPPORTED_100baseT_Half |
7010 SUPPORTED_100baseT_Full |
7011 SUPPORTED_1000baseT_Full |
7012 SUPPORTED_2500baseX_Full |
7013 SUPPORTED_10000baseT_Full |
7014 SUPPORTED_TP |
7015 SUPPORTED_FIBRE |
7016 SUPPORTED_Autoneg |
7017 SUPPORTED_Pause |
7018 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007019 break;
7020
7021 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007022 BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007023 ext_phy_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007024
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007025 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7026 SUPPORTED_FIBRE |
7027 SUPPORTED_Pause |
7028 SUPPORTED_Asym_Pause);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007029 break;
7030
Eliezer Tamirf1410642008-02-28 11:51:50 -08007031 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7032 BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n",
7033 ext_phy_type);
7034
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007035 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7036 SUPPORTED_1000baseT_Full |
7037 SUPPORTED_FIBRE |
7038 SUPPORTED_Pause |
7039 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007040 break;
7041
7042 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
7043 BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n",
7044 ext_phy_type);
7045
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007046 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7047 SUPPORTED_1000baseT_Full |
7048 SUPPORTED_FIBRE |
7049 SUPPORTED_Autoneg |
7050 SUPPORTED_Pause |
7051 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007052 break;
7053
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007054 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
7055 BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n",
7056 ext_phy_type);
7057
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007058 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7059 SUPPORTED_2500baseX_Full |
7060 SUPPORTED_1000baseT_Full |
7061 SUPPORTED_FIBRE |
7062 SUPPORTED_Autoneg |
7063 SUPPORTED_Pause |
7064 SUPPORTED_Asym_Pause);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007065 break;
7066
Eliezer Tamirf1410642008-02-28 11:51:50 -08007067 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7068 BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n",
7069 ext_phy_type);
7070
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007071 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7072 SUPPORTED_TP |
7073 SUPPORTED_Autoneg |
7074 SUPPORTED_Pause |
7075 SUPPORTED_Asym_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007076 break;
7077
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007078 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7079 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7080 bp->link_params.ext_phy_config);
7081 break;
7082
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007083 default:
7084 BNX2X_ERR("NVRAM config error. "
7085 "BAD XGXS ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007086 bp->link_params.ext_phy_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007087 return;
7088 }
7089
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007090 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
7091 port*0x18);
7092 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007093
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007094 break;
7095
7096 default:
7097 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007098 bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007099 return;
7100 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007101 bp->link_params.phy_addr = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007102
7103 /* mask what we support according to speed_cap_mask */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007104 if (!(bp->link_params.speed_cap_mask &
7105 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007106 bp->port.supported &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007107
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007108 if (!(bp->link_params.speed_cap_mask &
7109 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007110 bp->port.supported &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007111
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007112 if (!(bp->link_params.speed_cap_mask &
7113 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007114 bp->port.supported &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007115
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007116 if (!(bp->link_params.speed_cap_mask &
7117 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007118 bp->port.supported &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007119
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007120 if (!(bp->link_params.speed_cap_mask &
7121 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007122 bp->port.supported &= ~(SUPPORTED_1000baseT_Half |
7123 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007124
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007125 if (!(bp->link_params.speed_cap_mask &
7126 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007127 bp->port.supported &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007128
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007129 if (!(bp->link_params.speed_cap_mask &
7130 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007131 bp->port.supported &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007132
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007133 BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007134}
7135
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007136static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007137{
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007138 bp->link_params.req_duplex = DUPLEX_FULL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007139
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007140 switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007141 case PORT_FEATURE_LINK_SPEED_AUTO:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007142 if (bp->port.supported & SUPPORTED_Autoneg) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007143 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007144 bp->port.advertising = bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007145 } else {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007146 u32 ext_phy_type =
7147 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7148
7149 if ((ext_phy_type ==
7150 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
7151 (ext_phy_type ==
7152 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007153 /* force 10G, no AN */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007154 bp->link_params.req_line_speed = SPEED_10000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007155 bp->port.advertising =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007156 (ADVERTISED_10000baseT_Full |
7157 ADVERTISED_FIBRE);
7158 break;
7159 }
7160 BNX2X_ERR("NVRAM config error. "
7161 "Invalid link_config 0x%x"
7162 " Autoneg not supported\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007163 bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007164 return;
7165 }
7166 break;
7167
7168 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007169 if (bp->port.supported & SUPPORTED_10baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007170 bp->link_params.req_line_speed = SPEED_10;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007171 bp->port.advertising = (ADVERTISED_10baseT_Full |
7172 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007173 } else {
7174 BNX2X_ERR("NVRAM config error. "
7175 "Invalid link_config 0x%x"
7176 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007177 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007178 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007179 return;
7180 }
7181 break;
7182
7183 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007184 if (bp->port.supported & SUPPORTED_10baseT_Half) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007185 bp->link_params.req_line_speed = SPEED_10;
7186 bp->link_params.req_duplex = DUPLEX_HALF;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007187 bp->port.advertising = (ADVERTISED_10baseT_Half |
7188 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007189 } else {
7190 BNX2X_ERR("NVRAM config error. "
7191 "Invalid link_config 0x%x"
7192 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007193 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007194 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007195 return;
7196 }
7197 break;
7198
7199 case PORT_FEATURE_LINK_SPEED_100M_FULL:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007200 if (bp->port.supported & SUPPORTED_100baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007201 bp->link_params.req_line_speed = SPEED_100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007202 bp->port.advertising = (ADVERTISED_100baseT_Full |
7203 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007204 } else {
7205 BNX2X_ERR("NVRAM config error. "
7206 "Invalid link_config 0x%x"
7207 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007208 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007209 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007210 return;
7211 }
7212 break;
7213
7214 case PORT_FEATURE_LINK_SPEED_100M_HALF:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007215 if (bp->port.supported & SUPPORTED_100baseT_Half) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007216 bp->link_params.req_line_speed = SPEED_100;
7217 bp->link_params.req_duplex = DUPLEX_HALF;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007218 bp->port.advertising = (ADVERTISED_100baseT_Half |
7219 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007220 } else {
7221 BNX2X_ERR("NVRAM config error. "
7222 "Invalid link_config 0x%x"
7223 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007224 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007225 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007226 return;
7227 }
7228 break;
7229
7230 case PORT_FEATURE_LINK_SPEED_1G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007231 if (bp->port.supported & SUPPORTED_1000baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007232 bp->link_params.req_line_speed = SPEED_1000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007233 bp->port.advertising = (ADVERTISED_1000baseT_Full |
7234 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007235 } else {
7236 BNX2X_ERR("NVRAM config error. "
7237 "Invalid link_config 0x%x"
7238 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007239 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007240 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007241 return;
7242 }
7243 break;
7244
7245 case PORT_FEATURE_LINK_SPEED_2_5G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007246 if (bp->port.supported & SUPPORTED_2500baseX_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007247 bp->link_params.req_line_speed = SPEED_2500;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007248 bp->port.advertising = (ADVERTISED_2500baseX_Full |
7249 ADVERTISED_TP);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007250 } else {
7251 BNX2X_ERR("NVRAM config error. "
7252 "Invalid link_config 0x%x"
7253 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007254 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007255 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007256 return;
7257 }
7258 break;
7259
7260 case PORT_FEATURE_LINK_SPEED_10G_CX4:
7261 case PORT_FEATURE_LINK_SPEED_10G_KX4:
7262 case PORT_FEATURE_LINK_SPEED_10G_KR:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007263 if (bp->port.supported & SUPPORTED_10000baseT_Full) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007264 bp->link_params.req_line_speed = SPEED_10000;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007265 bp->port.advertising = (ADVERTISED_10000baseT_Full |
7266 ADVERTISED_FIBRE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007267 } else {
7268 BNX2X_ERR("NVRAM config error. "
7269 "Invalid link_config 0x%x"
7270 " speed_cap_mask 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007271 bp->port.link_config,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007272 bp->link_params.speed_cap_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007273 return;
7274 }
7275 break;
7276
7277 default:
7278 BNX2X_ERR("NVRAM config error. "
7279 "BAD link speed link_config 0x%x\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007280 bp->port.link_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007281 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007282 bp->port.advertising = bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007283 break;
7284 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007285
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007286 bp->link_params.req_flow_ctrl = (bp->port.link_config &
7287 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007288 if ((bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
Randy Dunlap4ab84d42008-08-07 20:33:19 -07007289 !(bp->port.supported & SUPPORTED_Autoneg))
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007290 bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007291
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007292 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl 0x%x"
Eliezer Tamirf1410642008-02-28 11:51:50 -08007293 " advertising 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007294 bp->link_params.req_line_speed,
7295 bp->link_params.req_duplex,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007296 bp->link_params.req_flow_ctrl, bp->port.advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007297}
7298
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007299static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007300{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007301 int port = BP_PORT(bp);
7302 u32 val, val2;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007303
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007304 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007305 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007306
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007307 bp->link_params.serdes_config =
Eliezer Tamirf1410642008-02-28 11:51:50 -08007308 SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007309 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007310 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007311 bp->link_params.ext_phy_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007312 SHMEM_RD(bp,
7313 dev_info.port_hw_config[port].external_phy_config);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007314 bp->link_params.speed_cap_mask =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007315 SHMEM_RD(bp,
7316 dev_info.port_hw_config[port].speed_capability_mask);
7317
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007318 bp->port.link_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007319 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
7320
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007321 BNX2X_DEV_INFO("serdes_config 0x%08x lane_config 0x%08x\n"
7322 KERN_INFO " ext_phy_config 0x%08x speed_cap_mask 0x%08x"
7323 " link_config 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007324 bp->link_params.serdes_config,
7325 bp->link_params.lane_config,
7326 bp->link_params.ext_phy_config,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007327 bp->link_params.speed_cap_mask, bp->port.link_config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007328
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007329 bp->link_params.switch_cfg = (bp->port.link_config &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007330 PORT_FEATURE_CONNECTED_SWITCH_MASK);
7331 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007332
7333 bnx2x_link_settings_requested(bp);
7334
7335 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
7336 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
7337 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7338 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7339 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7340 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7341 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7342 bp->dev->dev_addr[5] = (u8)(val & 0xff);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007343 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
7344 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007345}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007346
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007347static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
7348{
7349 int func = BP_FUNC(bp);
7350 u32 val, val2;
7351 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007352
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007353 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007354
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007355 bp->e1hov = 0;
7356 bp->e1hmf = 0;
7357 if (CHIP_IS_E1H(bp)) {
7358 bp->mf_config =
7359 SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007360
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007361 val =
7362 (SHMEM_RD(bp, mf_cfg.func_mf_config[func].e1hov_tag) &
7363 FUNC_MF_CFG_E1HOV_TAG_MASK);
7364 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007365
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007366 bp->e1hov = val;
7367 bp->e1hmf = 1;
7368 BNX2X_DEV_INFO("MF mode E1HOV for func %d is %d "
7369 "(0x%04x)\n",
7370 func, bp->e1hov, bp->e1hov);
7371 } else {
7372 BNX2X_DEV_INFO("Single function mode\n");
7373 if (BP_E1HVN(bp)) {
7374 BNX2X_ERR("!!! No valid E1HOV for func %d,"
7375 " aborting\n", func);
7376 rc = -EPERM;
7377 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007378 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007379 }
7380
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007381 if (!BP_NOMCP(bp)) {
7382 bnx2x_get_port_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007383
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007384 bp->fw_seq = (SHMEM_RD(bp, func_mb[func].drv_mb_header) &
7385 DRV_MSG_SEQ_NUMBER_MASK);
7386 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
7387 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007388
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007389 if (IS_E1HMF(bp)) {
7390 val2 = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_upper);
7391 val = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_lower);
7392 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
7393 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) {
7394 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7395 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7396 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7397 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7398 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7399 bp->dev->dev_addr[5] = (u8)(val & 0xff);
7400 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr,
7401 ETH_ALEN);
7402 memcpy(bp->dev->perm_addr, bp->dev->dev_addr,
7403 ETH_ALEN);
7404 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007405
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007406 return rc;
7407 }
7408
7409 if (BP_NOMCP(bp)) {
7410 /* only supposed to happen on emulation/FPGA */
7411 BNX2X_ERR("warning rendom MAC workaround active\n");
7412 random_ether_addr(bp->dev->dev_addr);
7413 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7414 }
7415
7416 return rc;
7417}
7418
7419static int __devinit bnx2x_init_bp(struct bnx2x *bp)
7420{
7421 int func = BP_FUNC(bp);
7422 int rc;
7423
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007424 /* Disable interrupt handling until HW is initialized */
7425 atomic_set(&bp->intr_sem, 1);
7426
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007427 mutex_init(&bp->port.phy_mutex);
7428
7429 INIT_WORK(&bp->sp_task, bnx2x_sp_task);
7430 INIT_WORK(&bp->reset_task, bnx2x_reset_task);
7431
7432 rc = bnx2x_get_hwinfo(bp);
7433
7434 /* need to reset chip if undi was active */
7435 if (!BP_NOMCP(bp))
7436 bnx2x_undi_unload(bp);
7437
7438 if (CHIP_REV_IS_FPGA(bp))
7439 printk(KERN_ERR PFX "FPGA detected\n");
7440
7441 if (BP_NOMCP(bp) && (func == 0))
7442 printk(KERN_ERR PFX
7443 "MCP disabled, must load devices in order!\n");
7444
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07007445 /* Set TPA flags */
7446 if (disable_tpa) {
7447 bp->flags &= ~TPA_ENABLE_FLAG;
7448 bp->dev->features &= ~NETIF_F_LRO;
7449 } else {
7450 bp->flags |= TPA_ENABLE_FLAG;
7451 bp->dev->features |= NETIF_F_LRO;
7452 }
7453
7454
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007455 bp->tx_ring_size = MAX_TX_AVAIL;
7456 bp->rx_ring_size = MAX_RX_AVAIL;
7457
7458 bp->rx_csum = 1;
7459 bp->rx_offset = 0;
7460
7461 bp->tx_ticks = 50;
7462 bp->rx_ticks = 25;
7463
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007464 bp->timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
7465 bp->current_interval = (poll ? poll : bp->timer_interval);
7466
7467 init_timer(&bp->timer);
7468 bp->timer.expires = jiffies + bp->current_interval;
7469 bp->timer.data = (unsigned long) bp;
7470 bp->timer.function = bnx2x_timer;
7471
7472 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007473}
7474
7475/*
7476 * ethtool service functions
7477 */
7478
7479/* All ethtool functions called with rtnl_lock */
7480
7481static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7482{
7483 struct bnx2x *bp = netdev_priv(dev);
7484
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007485 cmd->supported = bp->port.supported;
7486 cmd->advertising = bp->port.advertising;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007487
7488 if (netif_carrier_ok(dev)) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007489 cmd->speed = bp->link_vars.line_speed;
7490 cmd->duplex = bp->link_vars.duplex;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007491 } else {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007492 cmd->speed = bp->link_params.req_line_speed;
7493 cmd->duplex = bp->link_params.req_duplex;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007494 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007495 if (IS_E1HMF(bp)) {
7496 u16 vn_max_rate;
7497
7498 vn_max_rate = ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >>
7499 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
7500 if (vn_max_rate < cmd->speed)
7501 cmd->speed = vn_max_rate;
7502 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007503
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007504 if (bp->link_params.switch_cfg == SWITCH_CFG_10G) {
7505 u32 ext_phy_type =
7506 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
Eliezer Tamirf1410642008-02-28 11:51:50 -08007507
7508 switch (ext_phy_type) {
7509 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7510 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7511 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7512 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007513 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007514 cmd->port = PORT_FIBRE;
7515 break;
7516
7517 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7518 cmd->port = PORT_TP;
7519 break;
7520
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007521 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7522 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7523 bp->link_params.ext_phy_config);
7524 break;
7525
Eliezer Tamirf1410642008-02-28 11:51:50 -08007526 default:
7527 DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007528 bp->link_params.ext_phy_config);
7529 break;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007530 }
7531 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007532 cmd->port = PORT_TP;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007533
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007534 cmd->phy_address = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007535 cmd->transceiver = XCVR_INTERNAL;
7536
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007537 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007538 cmd->autoneg = AUTONEG_ENABLE;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007539 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007540 cmd->autoneg = AUTONEG_DISABLE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007541
7542 cmd->maxtxpkt = 0;
7543 cmd->maxrxpkt = 0;
7544
7545 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7546 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7547 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7548 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7549 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7550 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7551 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7552
7553 return 0;
7554}
7555
7556static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7557{
7558 struct bnx2x *bp = netdev_priv(dev);
7559 u32 advertising;
7560
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007561 if (IS_E1HMF(bp))
7562 return 0;
7563
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007564 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7565 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7566 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7567 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7568 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7569 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7570 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7571
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007572 if (cmd->autoneg == AUTONEG_ENABLE) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007573 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
7574 DP(NETIF_MSG_LINK, "Autoneg not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007575 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007576 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007577
7578 /* advertise the requested speed and duplex if supported */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007579 cmd->advertising &= bp->port.supported;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007580
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007581 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7582 bp->link_params.req_duplex = DUPLEX_FULL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007583 bp->port.advertising |= (ADVERTISED_Autoneg |
7584 cmd->advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007585
7586 } else { /* forced speed */
7587 /* advertise the requested speed and duplex if supported */
7588 switch (cmd->speed) {
7589 case SPEED_10:
7590 if (cmd->duplex == DUPLEX_FULL) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007591 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007592 SUPPORTED_10baseT_Full)) {
7593 DP(NETIF_MSG_LINK,
7594 "10M full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007595 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007596 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007597
7598 advertising = (ADVERTISED_10baseT_Full |
7599 ADVERTISED_TP);
7600 } else {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007601 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007602 SUPPORTED_10baseT_Half)) {
7603 DP(NETIF_MSG_LINK,
7604 "10M half 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_10baseT_Half |
7609 ADVERTISED_TP);
7610 }
7611 break;
7612
7613 case SPEED_100:
7614 if (cmd->duplex == DUPLEX_FULL) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007615 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007616 SUPPORTED_100baseT_Full)) {
7617 DP(NETIF_MSG_LINK,
7618 "100M full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007619 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007620 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007621
7622 advertising = (ADVERTISED_100baseT_Full |
7623 ADVERTISED_TP);
7624 } else {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007625 if (!(bp->port.supported &
Eliezer Tamirf1410642008-02-28 11:51:50 -08007626 SUPPORTED_100baseT_Half)) {
7627 DP(NETIF_MSG_LINK,
7628 "100M half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007629 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007630 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007631
7632 advertising = (ADVERTISED_100baseT_Half |
7633 ADVERTISED_TP);
7634 }
7635 break;
7636
7637 case SPEED_1000:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007638 if (cmd->duplex != DUPLEX_FULL) {
7639 DP(NETIF_MSG_LINK, "1G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007640 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007641 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007642
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007643 if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007644 DP(NETIF_MSG_LINK, "1G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007645 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007646 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007647
7648 advertising = (ADVERTISED_1000baseT_Full |
7649 ADVERTISED_TP);
7650 break;
7651
7652 case SPEED_2500:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007653 if (cmd->duplex != DUPLEX_FULL) {
7654 DP(NETIF_MSG_LINK,
7655 "2.5G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007656 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007657 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007658
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007659 if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007660 DP(NETIF_MSG_LINK,
7661 "2.5G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007662 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007663 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007664
Eliezer Tamirf1410642008-02-28 11:51:50 -08007665 advertising = (ADVERTISED_2500baseX_Full |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007666 ADVERTISED_TP);
7667 break;
7668
7669 case SPEED_10000:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007670 if (cmd->duplex != DUPLEX_FULL) {
7671 DP(NETIF_MSG_LINK, "10G half not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007672 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007673 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007674
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007675 if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08007676 DP(NETIF_MSG_LINK, "10G full not supported\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007677 return -EINVAL;
Eliezer Tamirf1410642008-02-28 11:51:50 -08007678 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007679
7680 advertising = (ADVERTISED_10000baseT_Full |
7681 ADVERTISED_FIBRE);
7682 break;
7683
7684 default:
Eliezer Tamirf1410642008-02-28 11:51:50 -08007685 DP(NETIF_MSG_LINK, "Unsupported speed\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007686 return -EINVAL;
7687 }
7688
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007689 bp->link_params.req_line_speed = cmd->speed;
7690 bp->link_params.req_duplex = cmd->duplex;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007691 bp->port.advertising = advertising;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007692 }
7693
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007694 DP(NETIF_MSG_LINK, "req_line_speed %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007695 DP_LEVEL " req_duplex %d advertising 0x%x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007696 bp->link_params.req_line_speed, bp->link_params.req_duplex,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007697 bp->port.advertising);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007698
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007699 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07007700 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007701 bnx2x_link_set(bp);
7702 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007703
7704 return 0;
7705}
7706
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007707#define PHY_FW_VER_LEN 10
7708
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007709static void bnx2x_get_drvinfo(struct net_device *dev,
7710 struct ethtool_drvinfo *info)
7711{
7712 struct bnx2x *bp = netdev_priv(dev);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007713 char phy_fw_ver[PHY_FW_VER_LEN];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007714
7715 strcpy(info->driver, DRV_MODULE_NAME);
7716 strcpy(info->version, DRV_MODULE_VERSION);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007717
7718 phy_fw_ver[0] = '\0';
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007719 if (bp->port.pmf) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007720 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007721 bnx2x_get_ext_phy_fw_version(&bp->link_params,
7722 (bp->state != BNX2X_STATE_CLOSED),
7723 phy_fw_ver, PHY_FW_VER_LEN);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007724 bnx2x_release_phy_lock(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007725 }
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007726
7727 snprintf(info->fw_version, 32, "%d.%d.%d:%d BC:%x%s%s",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007728 BCM_5710_FW_MAJOR_VERSION, BCM_5710_FW_MINOR_VERSION,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007729 BCM_5710_FW_REVISION_VERSION,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007730 BCM_5710_FW_COMPILE_FLAGS, bp->common.bc_ver,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007731 ((phy_fw_ver[0] != '\0')? " PHY:":""), phy_fw_ver);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007732 strcpy(info->bus_info, pci_name(bp->pdev));
7733 info->n_stats = BNX2X_NUM_STATS;
7734 info->testinfo_len = BNX2X_NUM_TESTS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007735 info->eedump_len = bp->common.flash_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007736 info->regdump_len = 0;
7737}
7738
7739static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7740{
7741 struct bnx2x *bp = netdev_priv(dev);
7742
7743 if (bp->flags & NO_WOL_FLAG) {
7744 wol->supported = 0;
7745 wol->wolopts = 0;
7746 } else {
7747 wol->supported = WAKE_MAGIC;
7748 if (bp->wol)
7749 wol->wolopts = WAKE_MAGIC;
7750 else
7751 wol->wolopts = 0;
7752 }
7753 memset(&wol->sopass, 0, sizeof(wol->sopass));
7754}
7755
7756static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7757{
7758 struct bnx2x *bp = netdev_priv(dev);
7759
7760 if (wol->wolopts & ~WAKE_MAGIC)
7761 return -EINVAL;
7762
7763 if (wol->wolopts & WAKE_MAGIC) {
7764 if (bp->flags & NO_WOL_FLAG)
7765 return -EINVAL;
7766
7767 bp->wol = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007768 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007769 bp->wol = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007770
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007771 return 0;
7772}
7773
7774static u32 bnx2x_get_msglevel(struct net_device *dev)
7775{
7776 struct bnx2x *bp = netdev_priv(dev);
7777
7778 return bp->msglevel;
7779}
7780
7781static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
7782{
7783 struct bnx2x *bp = netdev_priv(dev);
7784
7785 if (capable(CAP_NET_ADMIN))
7786 bp->msglevel = level;
7787}
7788
7789static int bnx2x_nway_reset(struct net_device *dev)
7790{
7791 struct bnx2x *bp = netdev_priv(dev);
7792
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007793 if (!bp->port.pmf)
7794 return 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007795
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007796 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07007797 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007798 bnx2x_link_set(bp);
7799 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007800
7801 return 0;
7802}
7803
7804static int bnx2x_get_eeprom_len(struct net_device *dev)
7805{
7806 struct bnx2x *bp = netdev_priv(dev);
7807
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007808 return bp->common.flash_size;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007809}
7810
7811static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
7812{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007813 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007814 int count, i;
7815 u32 val = 0;
7816
7817 /* adjust timeout for emulation/FPGA */
7818 count = NVRAM_TIMEOUT_COUNT;
7819 if (CHIP_REV_IS_SLOW(bp))
7820 count *= 100;
7821
7822 /* request access to nvram interface */
7823 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7824 (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
7825
7826 for (i = 0; i < count*10; i++) {
7827 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7828 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
7829 break;
7830
7831 udelay(5);
7832 }
7833
7834 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007835 DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007836 return -EBUSY;
7837 }
7838
7839 return 0;
7840}
7841
7842static int bnx2x_release_nvram_lock(struct bnx2x *bp)
7843{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007844 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007845 int count, i;
7846 u32 val = 0;
7847
7848 /* adjust timeout for emulation/FPGA */
7849 count = NVRAM_TIMEOUT_COUNT;
7850 if (CHIP_REV_IS_SLOW(bp))
7851 count *= 100;
7852
7853 /* relinquish nvram interface */
7854 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7855 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
7856
7857 for (i = 0; i < count*10; i++) {
7858 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7859 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
7860 break;
7861
7862 udelay(5);
7863 }
7864
7865 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007866 DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007867 return -EBUSY;
7868 }
7869
7870 return 0;
7871}
7872
7873static void bnx2x_enable_nvram_access(struct bnx2x *bp)
7874{
7875 u32 val;
7876
7877 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7878
7879 /* enable both bits, even on read */
7880 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7881 (val | MCPR_NVM_ACCESS_ENABLE_EN |
7882 MCPR_NVM_ACCESS_ENABLE_WR_EN));
7883}
7884
7885static void bnx2x_disable_nvram_access(struct bnx2x *bp)
7886{
7887 u32 val;
7888
7889 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7890
7891 /* disable both bits, even after read */
7892 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7893 (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
7894 MCPR_NVM_ACCESS_ENABLE_WR_EN)));
7895}
7896
7897static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val,
7898 u32 cmd_flags)
7899{
Eliezer Tamirf1410642008-02-28 11:51:50 -08007900 int count, i, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007901 u32 val;
7902
7903 /* build the command word */
7904 cmd_flags |= MCPR_NVM_COMMAND_DOIT;
7905
7906 /* need to clear DONE bit separately */
7907 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
7908
7909 /* address of the NVRAM to read from */
7910 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
7911 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
7912
7913 /* issue a read command */
7914 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
7915
7916 /* adjust timeout for emulation/FPGA */
7917 count = NVRAM_TIMEOUT_COUNT;
7918 if (CHIP_REV_IS_SLOW(bp))
7919 count *= 100;
7920
7921 /* wait for completion */
7922 *ret_val = 0;
7923 rc = -EBUSY;
7924 for (i = 0; i < count; i++) {
7925 udelay(5);
7926 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
7927
7928 if (val & MCPR_NVM_COMMAND_DONE) {
7929 val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007930 /* we read nvram data in cpu order
7931 * but ethtool sees it as an array of bytes
7932 * converting to big-endian will do the work */
7933 val = cpu_to_be32(val);
7934 *ret_val = val;
7935 rc = 0;
7936 break;
7937 }
7938 }
7939
7940 return rc;
7941}
7942
7943static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
7944 int buf_size)
7945{
7946 int rc;
7947 u32 cmd_flags;
7948 u32 val;
7949
7950 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007951 DP(BNX2X_MSG_NVM,
Eliezer Tamirc14423f2008-02-28 11:49:42 -08007952 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007953 offset, buf_size);
7954 return -EINVAL;
7955 }
7956
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007957 if (offset + buf_size > bp->common.flash_size) {
7958 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007959 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007960 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007961 return -EINVAL;
7962 }
7963
7964 /* request access to nvram interface */
7965 rc = bnx2x_acquire_nvram_lock(bp);
7966 if (rc)
7967 return rc;
7968
7969 /* enable access to nvram interface */
7970 bnx2x_enable_nvram_access(bp);
7971
7972 /* read the first word(s) */
7973 cmd_flags = MCPR_NVM_COMMAND_FIRST;
7974 while ((buf_size > sizeof(u32)) && (rc == 0)) {
7975 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
7976 memcpy(ret_buf, &val, 4);
7977
7978 /* advance to the next dword */
7979 offset += sizeof(u32);
7980 ret_buf += sizeof(u32);
7981 buf_size -= sizeof(u32);
7982 cmd_flags = 0;
7983 }
7984
7985 if (rc == 0) {
7986 cmd_flags |= MCPR_NVM_COMMAND_LAST;
7987 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
7988 memcpy(ret_buf, &val, 4);
7989 }
7990
7991 /* disable access to nvram interface */
7992 bnx2x_disable_nvram_access(bp);
7993 bnx2x_release_nvram_lock(bp);
7994
7995 return rc;
7996}
7997
7998static int bnx2x_get_eeprom(struct net_device *dev,
7999 struct ethtool_eeprom *eeprom, u8 *eebuf)
8000{
8001 struct bnx2x *bp = netdev_priv(dev);
8002 int rc;
8003
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008004 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008005 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8006 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8007 eeprom->len, eeprom->len);
8008
8009 /* parameters already validated in ethtool_get_eeprom */
8010
8011 rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
8012
8013 return rc;
8014}
8015
8016static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
8017 u32 cmd_flags)
8018{
Eliezer Tamirf1410642008-02-28 11:51:50 -08008019 int count, i, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008020
8021 /* build the command word */
8022 cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
8023
8024 /* need to clear DONE bit separately */
8025 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
8026
8027 /* write the data */
8028 REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
8029
8030 /* address of the NVRAM to write to */
8031 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
8032 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
8033
8034 /* issue the write command */
8035 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
8036
8037 /* adjust timeout for emulation/FPGA */
8038 count = NVRAM_TIMEOUT_COUNT;
8039 if (CHIP_REV_IS_SLOW(bp))
8040 count *= 100;
8041
8042 /* wait for completion */
8043 rc = -EBUSY;
8044 for (i = 0; i < count; i++) {
8045 udelay(5);
8046 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8047 if (val & MCPR_NVM_COMMAND_DONE) {
8048 rc = 0;
8049 break;
8050 }
8051 }
8052
8053 return rc;
8054}
8055
Eliezer Tamirf1410642008-02-28 11:51:50 -08008056#define BYTE_OFFSET(offset) (8 * (offset & 0x03))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008057
8058static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
8059 int buf_size)
8060{
8061 int rc;
8062 u32 cmd_flags;
8063 u32 align_offset;
8064 u32 val;
8065
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008066 if (offset + buf_size > bp->common.flash_size) {
8067 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008068 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008069 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008070 return -EINVAL;
8071 }
8072
8073 /* request access to nvram interface */
8074 rc = bnx2x_acquire_nvram_lock(bp);
8075 if (rc)
8076 return rc;
8077
8078 /* enable access to nvram interface */
8079 bnx2x_enable_nvram_access(bp);
8080
8081 cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
8082 align_offset = (offset & ~0x03);
8083 rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
8084
8085 if (rc == 0) {
8086 val &= ~(0xff << BYTE_OFFSET(offset));
8087 val |= (*data_buf << BYTE_OFFSET(offset));
8088
8089 /* nvram data is returned as an array of bytes
8090 * convert it back to cpu order */
8091 val = be32_to_cpu(val);
8092
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008093 rc = bnx2x_nvram_write_dword(bp, align_offset, val,
8094 cmd_flags);
8095 }
8096
8097 /* disable access to nvram interface */
8098 bnx2x_disable_nvram_access(bp);
8099 bnx2x_release_nvram_lock(bp);
8100
8101 return rc;
8102}
8103
8104static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
8105 int buf_size)
8106{
8107 int rc;
8108 u32 cmd_flags;
8109 u32 val;
8110 u32 written_so_far;
8111
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008112 if (buf_size == 1) /* ethtool */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008113 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008114
8115 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008116 DP(BNX2X_MSG_NVM,
Eliezer Tamirc14423f2008-02-28 11:49:42 -08008117 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008118 offset, buf_size);
8119 return -EINVAL;
8120 }
8121
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008122 if (offset + buf_size > bp->common.flash_size) {
8123 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008124 " buf_size (0x%x) > flash_size (0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008125 offset, buf_size, bp->common.flash_size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008126 return -EINVAL;
8127 }
8128
8129 /* request access to nvram interface */
8130 rc = bnx2x_acquire_nvram_lock(bp);
8131 if (rc)
8132 return rc;
8133
8134 /* enable access to nvram interface */
8135 bnx2x_enable_nvram_access(bp);
8136
8137 written_so_far = 0;
8138 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8139 while ((written_so_far < buf_size) && (rc == 0)) {
8140 if (written_so_far == (buf_size - sizeof(u32)))
8141 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8142 else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0)
8143 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8144 else if ((offset % NVRAM_PAGE_SIZE) == 0)
8145 cmd_flags |= MCPR_NVM_COMMAND_FIRST;
8146
8147 memcpy(&val, data_buf, 4);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008148
8149 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
8150
8151 /* advance to the next dword */
8152 offset += sizeof(u32);
8153 data_buf += sizeof(u32);
8154 written_so_far += sizeof(u32);
8155 cmd_flags = 0;
8156 }
8157
8158 /* disable access to nvram interface */
8159 bnx2x_disable_nvram_access(bp);
8160 bnx2x_release_nvram_lock(bp);
8161
8162 return rc;
8163}
8164
8165static int bnx2x_set_eeprom(struct net_device *dev,
8166 struct ethtool_eeprom *eeprom, u8 *eebuf)
8167{
8168 struct bnx2x *bp = netdev_priv(dev);
8169 int rc;
8170
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008171 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008172 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8173 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8174 eeprom->len, eeprom->len);
8175
8176 /* parameters already validated in ethtool_set_eeprom */
8177
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008178 /* If the magic number is PHY (0x00504859) upgrade the PHY FW */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008179 if (eeprom->magic == 0x00504859)
8180 if (bp->port.pmf) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008181
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008182 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008183 rc = bnx2x_flash_download(bp, BP_PORT(bp),
8184 bp->link_params.ext_phy_config,
8185 (bp->state != BNX2X_STATE_CLOSED),
8186 eebuf, eeprom->len);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008187 if ((bp->state == BNX2X_STATE_OPEN) ||
8188 (bp->state == BNX2X_STATE_DISABLED)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008189 rc |= bnx2x_link_reset(&bp->link_params,
8190 &bp->link_vars);
8191 rc |= bnx2x_phy_init(&bp->link_params,
8192 &bp->link_vars);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008193 }
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008194 bnx2x_release_phy_lock(bp);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008195
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008196 } else /* Only the PMF can access the PHY */
8197 return -EINVAL;
8198 else
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008199 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008200
8201 return rc;
8202}
8203
8204static int bnx2x_get_coalesce(struct net_device *dev,
8205 struct ethtool_coalesce *coal)
8206{
8207 struct bnx2x *bp = netdev_priv(dev);
8208
8209 memset(coal, 0, sizeof(struct ethtool_coalesce));
8210
8211 coal->rx_coalesce_usecs = bp->rx_ticks;
8212 coal->tx_coalesce_usecs = bp->tx_ticks;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008213
8214 return 0;
8215}
8216
8217static int bnx2x_set_coalesce(struct net_device *dev,
8218 struct ethtool_coalesce *coal)
8219{
8220 struct bnx2x *bp = netdev_priv(dev);
8221
8222 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
8223 if (bp->rx_ticks > 3000)
8224 bp->rx_ticks = 3000;
8225
8226 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
8227 if (bp->tx_ticks > 0x3000)
8228 bp->tx_ticks = 0x3000;
8229
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008230 if (netif_running(dev))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008231 bnx2x_update_coalesce(bp);
8232
8233 return 0;
8234}
8235
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008236static int bnx2x_set_flags(struct net_device *dev, u32 data)
8237{
8238 struct bnx2x *bp = netdev_priv(dev);
8239 int changed = 0;
8240 int rc = 0;
8241
8242 if (data & ETH_FLAG_LRO) {
8243 if (!(dev->features & NETIF_F_LRO)) {
8244 dev->features |= NETIF_F_LRO;
8245 bp->flags |= TPA_ENABLE_FLAG;
8246 changed = 1;
8247 }
8248
8249 } else if (dev->features & NETIF_F_LRO) {
8250 dev->features &= ~NETIF_F_LRO;
8251 bp->flags &= ~TPA_ENABLE_FLAG;
8252 changed = 1;
8253 }
8254
8255 if (changed && netif_running(dev)) {
8256 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8257 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
8258 }
8259
8260 return rc;
8261}
8262
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008263static void bnx2x_get_ringparam(struct net_device *dev,
8264 struct ethtool_ringparam *ering)
8265{
8266 struct bnx2x *bp = netdev_priv(dev);
8267
8268 ering->rx_max_pending = MAX_RX_AVAIL;
8269 ering->rx_mini_max_pending = 0;
8270 ering->rx_jumbo_max_pending = 0;
8271
8272 ering->rx_pending = bp->rx_ring_size;
8273 ering->rx_mini_pending = 0;
8274 ering->rx_jumbo_pending = 0;
8275
8276 ering->tx_max_pending = MAX_TX_AVAIL;
8277 ering->tx_pending = bp->tx_ring_size;
8278}
8279
8280static int bnx2x_set_ringparam(struct net_device *dev,
8281 struct ethtool_ringparam *ering)
8282{
8283 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008284 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008285
8286 if ((ering->rx_pending > MAX_RX_AVAIL) ||
8287 (ering->tx_pending > MAX_TX_AVAIL) ||
8288 (ering->tx_pending <= MAX_SKB_FRAGS + 4))
8289 return -EINVAL;
8290
8291 bp->rx_ring_size = ering->rx_pending;
8292 bp->tx_ring_size = ering->tx_pending;
8293
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008294 if (netif_running(dev)) {
8295 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8296 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008297 }
8298
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008299 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008300}
8301
8302static void bnx2x_get_pauseparam(struct net_device *dev,
8303 struct ethtool_pauseparam *epause)
8304{
8305 struct bnx2x *bp = netdev_priv(dev);
8306
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008307 epause->autoneg = (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
8308 (bp->link_params.req_line_speed == SPEED_AUTO_NEG);
8309
8310 epause->rx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_RX) ==
8311 FLOW_CTRL_RX);
8312 epause->tx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_TX) ==
8313 FLOW_CTRL_TX);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008314
8315 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8316 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8317 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8318}
8319
8320static int bnx2x_set_pauseparam(struct net_device *dev,
8321 struct ethtool_pauseparam *epause)
8322{
8323 struct bnx2x *bp = netdev_priv(dev);
8324
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008325 if (IS_E1HMF(bp))
8326 return 0;
8327
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008328 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8329 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8330 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8331
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008332 bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
8333
8334 if (epause->rx_pause)
8335 bp->link_params.req_flow_ctrl |= FLOW_CTRL_RX;
8336
8337 if (epause->tx_pause)
8338 bp->link_params.req_flow_ctrl |= FLOW_CTRL_TX;
8339
8340 if (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO)
8341 bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
8342
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008343 if (epause->autoneg) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008344 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008345 DP(NETIF_MSG_LINK, "Autoneg not supported\n");
Eliezer Tamirf1410642008-02-28 11:51:50 -08008346 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008347 }
8348
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008349 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
8350 bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
8351 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008352
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008353 DP(NETIF_MSG_LINK,
8354 "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008355
8356 if (netif_running(dev)) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008357 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008358 bnx2x_link_set(bp);
8359 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008360
8361 return 0;
8362}
8363
8364static u32 bnx2x_get_rx_csum(struct net_device *dev)
8365{
8366 struct bnx2x *bp = netdev_priv(dev);
8367
8368 return bp->rx_csum;
8369}
8370
8371static int bnx2x_set_rx_csum(struct net_device *dev, u32 data)
8372{
8373 struct bnx2x *bp = netdev_priv(dev);
8374
8375 bp->rx_csum = data;
8376 return 0;
8377}
8378
8379static int bnx2x_set_tso(struct net_device *dev, u32 data)
8380{
Eilon Greenstein755735eb2008-06-23 20:35:13 -07008381 if (data) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008382 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07008383 dev->features |= NETIF_F_TSO6;
8384 } else {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008385 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07008386 dev->features &= ~NETIF_F_TSO6;
8387 }
8388
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008389 return 0;
8390}
8391
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008392static const struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008393 char string[ETH_GSTRING_LEN];
8394} bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008395 { "register_test (offline)" },
8396 { "memory_test (offline)" },
8397 { "loopback_test (offline)" },
8398 { "nvram_test (online)" },
8399 { "interrupt_test (online)" },
8400 { "link_test (online)" },
8401 { "idle check (online)" },
8402 { "MC errors (online)" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008403};
8404
8405static int bnx2x_self_test_count(struct net_device *dev)
8406{
8407 return BNX2X_NUM_TESTS;
8408}
8409
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008410static int bnx2x_test_registers(struct bnx2x *bp)
8411{
8412 int idx, i, rc = -ENODEV;
8413 u32 wr_val = 0;
8414 static const struct {
8415 u32 offset0;
8416 u32 offset1;
8417 u32 mask;
8418 } reg_tbl[] = {
8419/* 0 */ { BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff },
8420 { DORQ_REG_DB_ADDR0, 4, 0xffffffff },
8421 { HC_REG_AGG_INT_0, 4, 0x000003ff },
8422 { PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 },
8423 { PBF_REG_P0_INIT_CRD, 4, 0x000007ff },
8424 { PRS_REG_CID_PORT_0, 4, 0x00ffffff },
8425 { PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff },
8426 { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8427 { PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff },
8428 { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8429/* 10 */ { PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff },
8430 { QM_REG_CONNNUM_0, 4, 0x000fffff },
8431 { TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff },
8432 { SRC_REG_KEYRSS0_0, 40, 0xffffffff },
8433 { SRC_REG_KEYRSS0_7, 40, 0xffffffff },
8434 { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
8435 { XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 },
8436 { XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff },
8437 { NIG_REG_EGRESS_MNG0_FIFO, 20, 0xffffffff },
8438 { NIG_REG_LLH0_T_BIT, 4, 0x00000001 },
8439/* 20 */ { NIG_REG_EMAC0_IN_EN, 4, 0x00000001 },
8440 { NIG_REG_BMAC0_IN_EN, 4, 0x00000001 },
8441 { NIG_REG_XCM0_OUT_EN, 4, 0x00000001 },
8442 { NIG_REG_BRB0_OUT_EN, 4, 0x00000001 },
8443 { NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 },
8444 { NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff },
8445 { NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff },
8446 { NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff },
8447 { NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff },
8448 { NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 },
8449/* 30 */ { NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff },
8450 { NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff },
8451 { NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff },
8452 { NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 },
8453 { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 },
8454 { NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff },
8455 { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
8456 { NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f },
8457
8458 { 0xffffffff, 0, 0x00000000 }
8459 };
8460
8461 if (!netif_running(bp->dev))
8462 return rc;
8463
8464 /* Repeat the test twice:
8465 First by writing 0x00000000, second by writing 0xffffffff */
8466 for (idx = 0; idx < 2; idx++) {
8467
8468 switch (idx) {
8469 case 0:
8470 wr_val = 0;
8471 break;
8472 case 1:
8473 wr_val = 0xffffffff;
8474 break;
8475 }
8476
8477 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
8478 u32 offset, mask, save_val, val;
8479 int port = BP_PORT(bp);
8480
8481 offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
8482 mask = reg_tbl[i].mask;
8483
8484 save_val = REG_RD(bp, offset);
8485
8486 REG_WR(bp, offset, wr_val);
8487 val = REG_RD(bp, offset);
8488
8489 /* Restore the original register's value */
8490 REG_WR(bp, offset, save_val);
8491
8492 /* verify that value is as expected value */
8493 if ((val & mask) != (wr_val & mask))
8494 goto test_reg_exit;
8495 }
8496 }
8497
8498 rc = 0;
8499
8500test_reg_exit:
8501 return rc;
8502}
8503
8504static int bnx2x_test_memory(struct bnx2x *bp)
8505{
8506 int i, j, rc = -ENODEV;
8507 u32 val;
8508 static const struct {
8509 u32 offset;
8510 int size;
8511 } mem_tbl[] = {
8512 { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE },
8513 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
8514 { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE },
8515 { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE },
8516 { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE },
8517 { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE },
8518 { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE },
8519
8520 { 0xffffffff, 0 }
8521 };
8522 static const struct {
8523 char *name;
8524 u32 offset;
8525 u32 mask;
8526 } prty_tbl[] = {
8527 { "CCM_REG_CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS, 0 },
8528 { "CFC_REG_CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS, 0 },
8529 { "DMAE_REG_DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0 },
8530 { "TCM_REG_TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS, 0 },
8531 { "UCM_REG_UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS, 0 },
8532 { "XCM_REG_XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS, 0x1 },
8533
8534 { NULL, 0xffffffff, 0 }
8535 };
8536
8537 if (!netif_running(bp->dev))
8538 return rc;
8539
8540 /* Go through all the memories */
8541 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
8542 for (j = 0; j < mem_tbl[i].size; j++)
8543 REG_RD(bp, mem_tbl[i].offset + j*4);
8544
8545 /* Check the parity status */
8546 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
8547 val = REG_RD(bp, prty_tbl[i].offset);
8548 if (val & ~(prty_tbl[i].mask)) {
8549 DP(NETIF_MSG_HW,
8550 "%s is 0x%x\n", prty_tbl[i].name, val);
8551 goto test_mem_exit;
8552 }
8553 }
8554
8555 rc = 0;
8556
8557test_mem_exit:
8558 return rc;
8559}
8560
8561static void bnx2x_netif_start(struct bnx2x *bp)
8562{
8563 int i;
8564
8565 if (atomic_dec_and_test(&bp->intr_sem)) {
8566 if (netif_running(bp->dev)) {
8567 bnx2x_int_enable(bp);
8568 for_each_queue(bp, i)
8569 napi_enable(&bnx2x_fp(bp, i, napi));
8570 if (bp->state == BNX2X_STATE_OPEN)
8571 netif_wake_queue(bp->dev);
8572 }
8573 }
8574}
8575
8576static void bnx2x_netif_stop(struct bnx2x *bp)
8577{
8578 int i;
8579
8580 if (netif_running(bp->dev)) {
8581 netif_tx_disable(bp->dev);
8582 bp->dev->trans_start = jiffies; /* prevent tx timeout */
8583 for_each_queue(bp, i)
8584 napi_disable(&bnx2x_fp(bp, i, napi));
8585 }
8586 bnx2x_int_disable_sync(bp);
8587}
8588
8589static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up)
8590{
8591 int cnt = 1000;
8592
8593 if (link_up)
8594 while (bnx2x_link_test(bp) && cnt--)
8595 msleep(10);
8596}
8597
8598static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
8599{
8600 unsigned int pkt_size, num_pkts, i;
8601 struct sk_buff *skb;
8602 unsigned char *packet;
8603 struct bnx2x_fastpath *fp = &bp->fp[0];
8604 u16 tx_start_idx, tx_idx;
8605 u16 rx_start_idx, rx_idx;
8606 u16 pkt_prod;
8607 struct sw_tx_bd *tx_buf;
8608 struct eth_tx_bd *tx_bd;
8609 dma_addr_t mapping;
8610 union eth_rx_cqe *cqe;
8611 u8 cqe_fp_flags;
8612 struct sw_rx_bd *rx_buf;
8613 u16 len;
8614 int rc = -ENODEV;
8615
8616 if (loopback_mode == BNX2X_MAC_LOOPBACK) {
8617 bp->link_params.loopback_mode = LOOPBACK_BMAC;
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008618 bnx2x_acquire_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008619 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008620 bnx2x_release_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008621
8622 } else if (loopback_mode == BNX2X_PHY_LOOPBACK) {
8623 bp->link_params.loopback_mode = LOOPBACK_XGXS_10;
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008624 bnx2x_acquire_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008625 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07008626 bnx2x_release_phy_lock(bp);
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008627 /* wait until link state is restored */
8628 bnx2x_wait_for_link(bp, link_up);
8629
8630 } else
8631 return -EINVAL;
8632
8633 pkt_size = 1514;
8634 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
8635 if (!skb) {
8636 rc = -ENOMEM;
8637 goto test_loopback_exit;
8638 }
8639 packet = skb_put(skb, pkt_size);
8640 memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
8641 memset(packet + ETH_ALEN, 0, (ETH_HLEN - ETH_ALEN));
8642 for (i = ETH_HLEN; i < pkt_size; i++)
8643 packet[i] = (unsigned char) (i & 0xff);
8644
8645 num_pkts = 0;
8646 tx_start_idx = le16_to_cpu(*fp->tx_cons_sb);
8647 rx_start_idx = le16_to_cpu(*fp->rx_cons_sb);
8648
8649 pkt_prod = fp->tx_pkt_prod++;
8650 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
8651 tx_buf->first_bd = fp->tx_bd_prod;
8652 tx_buf->skb = skb;
8653
8654 tx_bd = &fp->tx_desc_ring[TX_BD(fp->tx_bd_prod)];
8655 mapping = pci_map_single(bp->pdev, skb->data,
8656 skb_headlen(skb), PCI_DMA_TODEVICE);
8657 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
8658 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
8659 tx_bd->nbd = cpu_to_le16(1);
8660 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
8661 tx_bd->vlan = cpu_to_le16(pkt_prod);
8662 tx_bd->bd_flags.as_bitfield = (ETH_TX_BD_FLAGS_START_BD |
8663 ETH_TX_BD_FLAGS_END_BD);
8664 tx_bd->general_data = ((UNICAST_ADDRESS <<
8665 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT) | 1);
8666
8667 fp->hw_tx_prods->bds_prod =
8668 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + 1);
8669 mb(); /* FW restriction: must not reorder writing nbd and packets */
8670 fp->hw_tx_prods->packets_prod =
8671 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
8672 DOORBELL(bp, FP_IDX(fp), 0);
8673
8674 mmiowb();
8675
8676 num_pkts++;
8677 fp->tx_bd_prod++;
8678 bp->dev->trans_start = jiffies;
8679
8680 udelay(100);
8681
8682 tx_idx = le16_to_cpu(*fp->tx_cons_sb);
8683 if (tx_idx != tx_start_idx + num_pkts)
8684 goto test_loopback_exit;
8685
8686 rx_idx = le16_to_cpu(*fp->rx_cons_sb);
8687 if (rx_idx != rx_start_idx + num_pkts)
8688 goto test_loopback_exit;
8689
8690 cqe = &fp->rx_comp_ring[RCQ_BD(fp->rx_comp_cons)];
8691 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
8692 if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
8693 goto test_loopback_rx_exit;
8694
8695 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
8696 if (len != pkt_size)
8697 goto test_loopback_rx_exit;
8698
8699 rx_buf = &fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)];
8700 skb = rx_buf->skb;
8701 skb_reserve(skb, cqe->fast_path_cqe.placement_offset);
8702 for (i = ETH_HLEN; i < pkt_size; i++)
8703 if (*(skb->data + i) != (unsigned char) (i & 0xff))
8704 goto test_loopback_rx_exit;
8705
8706 rc = 0;
8707
8708test_loopback_rx_exit:
8709 bp->dev->last_rx = jiffies;
8710
8711 fp->rx_bd_cons = NEXT_RX_IDX(fp->rx_bd_cons);
8712 fp->rx_bd_prod = NEXT_RX_IDX(fp->rx_bd_prod);
8713 fp->rx_comp_cons = NEXT_RCQ_IDX(fp->rx_comp_cons);
8714 fp->rx_comp_prod = NEXT_RCQ_IDX(fp->rx_comp_prod);
8715
8716 /* Update producers */
8717 bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod,
8718 fp->rx_sge_prod);
8719 mmiowb(); /* keep prod updates ordered */
8720
8721test_loopback_exit:
8722 bp->link_params.loopback_mode = LOOPBACK_NONE;
8723
8724 return rc;
8725}
8726
8727static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up)
8728{
8729 int rc = 0;
8730
8731 if (!netif_running(bp->dev))
8732 return BNX2X_LOOPBACK_FAILED;
8733
8734 bnx2x_netif_stop(bp);
8735
8736 if (bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up)) {
8737 DP(NETIF_MSG_PROBE, "MAC loopback failed\n");
8738 rc |= BNX2X_MAC_LOOPBACK_FAILED;
8739 }
8740
8741 if (bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up)) {
8742 DP(NETIF_MSG_PROBE, "PHY loopback failed\n");
8743 rc |= BNX2X_PHY_LOOPBACK_FAILED;
8744 }
8745
8746 bnx2x_netif_start(bp);
8747
8748 return rc;
8749}
8750
8751#define CRC32_RESIDUAL 0xdebb20e3
8752
8753static int bnx2x_test_nvram(struct bnx2x *bp)
8754{
8755 static const struct {
8756 int offset;
8757 int size;
8758 } nvram_tbl[] = {
8759 { 0, 0x14 }, /* bootstrap */
8760 { 0x14, 0xec }, /* dir */
8761 { 0x100, 0x350 }, /* manuf_info */
8762 { 0x450, 0xf0 }, /* feature_info */
8763 { 0x640, 0x64 }, /* upgrade_key_info */
8764 { 0x6a4, 0x64 },
8765 { 0x708, 0x70 }, /* manuf_key_info */
8766 { 0x778, 0x70 },
8767 { 0, 0 }
8768 };
8769 u32 buf[0x350 / 4];
8770 u8 *data = (u8 *)buf;
8771 int i, rc;
8772 u32 magic, csum;
8773
8774 rc = bnx2x_nvram_read(bp, 0, data, 4);
8775 if (rc) {
8776 DP(NETIF_MSG_PROBE, "magic value read (rc -%d)\n", -rc);
8777 goto test_nvram_exit;
8778 }
8779
8780 magic = be32_to_cpu(buf[0]);
8781 if (magic != 0x669955aa) {
8782 DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
8783 rc = -ENODEV;
8784 goto test_nvram_exit;
8785 }
8786
8787 for (i = 0; nvram_tbl[i].size; i++) {
8788
8789 rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
8790 nvram_tbl[i].size);
8791 if (rc) {
8792 DP(NETIF_MSG_PROBE,
8793 "nvram_tbl[%d] read data (rc -%d)\n", i, -rc);
8794 goto test_nvram_exit;
8795 }
8796
8797 csum = ether_crc_le(nvram_tbl[i].size, data);
8798 if (csum != CRC32_RESIDUAL) {
8799 DP(NETIF_MSG_PROBE,
8800 "nvram_tbl[%d] csum value (0x%08x)\n", i, csum);
8801 rc = -ENODEV;
8802 goto test_nvram_exit;
8803 }
8804 }
8805
8806test_nvram_exit:
8807 return rc;
8808}
8809
8810static int bnx2x_test_intr(struct bnx2x *bp)
8811{
8812 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
8813 int i, rc;
8814
8815 if (!netif_running(bp->dev))
8816 return -ENODEV;
8817
8818 config->hdr.length_6b = 0;
8819 config->hdr.offset = 0;
8820 config->hdr.client_id = BP_CL_ID(bp);
8821 config->hdr.reserved1 = 0;
8822
8823 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
8824 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
8825 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
8826 if (rc == 0) {
8827 bp->set_mac_pending++;
8828 for (i = 0; i < 10; i++) {
8829 if (!bp->set_mac_pending)
8830 break;
8831 msleep_interruptible(10);
8832 }
8833 if (i == 10)
8834 rc = -ENODEV;
8835 }
8836
8837 return rc;
8838}
8839
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008840static void bnx2x_self_test(struct net_device *dev,
8841 struct ethtool_test *etest, u64 *buf)
8842{
8843 struct bnx2x *bp = netdev_priv(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008844
8845 memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
8846
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008847 if (!netif_running(dev))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008848 return;
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008849
8850 /* offline tests are not suppoerted in MF mode */
8851 if (IS_E1HMF(bp))
8852 etest->flags &= ~ETH_TEST_FL_OFFLINE;
8853
8854 if (etest->flags & ETH_TEST_FL_OFFLINE) {
8855 u8 link_up;
8856
8857 link_up = bp->link_vars.link_up;
8858 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8859 bnx2x_nic_load(bp, LOAD_DIAG);
8860 /* wait until link state is restored */
8861 bnx2x_wait_for_link(bp, link_up);
8862
8863 if (bnx2x_test_registers(bp) != 0) {
8864 buf[0] = 1;
8865 etest->flags |= ETH_TEST_FL_FAILED;
8866 }
8867 if (bnx2x_test_memory(bp) != 0) {
8868 buf[1] = 1;
8869 etest->flags |= ETH_TEST_FL_FAILED;
8870 }
8871 buf[2] = bnx2x_test_loopback(bp, link_up);
8872 if (buf[2] != 0)
8873 etest->flags |= ETH_TEST_FL_FAILED;
8874
8875 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8876 bnx2x_nic_load(bp, LOAD_NORMAL);
8877 /* wait until link state is restored */
8878 bnx2x_wait_for_link(bp, link_up);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008879 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008880 if (bnx2x_test_nvram(bp) != 0) {
8881 buf[3] = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008882 etest->flags |= ETH_TEST_FL_FAILED;
8883 }
Yitchak Gertnerf3c87cd2008-06-23 20:35:51 -07008884 if (bnx2x_test_intr(bp) != 0) {
8885 buf[4] = 1;
8886 etest->flags |= ETH_TEST_FL_FAILED;
8887 }
8888 if (bp->port.pmf)
8889 if (bnx2x_link_test(bp) != 0) {
8890 buf[5] = 1;
8891 etest->flags |= ETH_TEST_FL_FAILED;
8892 }
8893 buf[7] = bnx2x_mc_assert(bp);
8894 if (buf[7] != 0)
8895 etest->flags |= ETH_TEST_FL_FAILED;
8896
8897#ifdef BNX2X_EXTRA_DEBUG
8898 bnx2x_panic_dump(bp);
8899#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008900}
8901
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008902static const struct {
8903 long offset;
8904 int size;
8905 u32 flags;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008906#define STATS_FLAGS_PORT 1
8907#define STATS_FLAGS_FUNC 2
8908 u8 string[ETH_GSTRING_LEN];
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008909} bnx2x_stats_arr[BNX2X_NUM_STATS] = {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008910/* 1 */ { STATS_OFFSET32(valid_bytes_received_hi),
8911 8, STATS_FLAGS_FUNC, "rx_bytes" },
8912 { STATS_OFFSET32(error_bytes_received_hi),
8913 8, STATS_FLAGS_FUNC, "rx_error_bytes" },
8914 { STATS_OFFSET32(total_bytes_transmitted_hi),
8915 8, STATS_FLAGS_FUNC, "tx_bytes" },
8916 { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
8917 8, STATS_FLAGS_PORT, "tx_error_bytes" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008918 { STATS_OFFSET32(total_unicast_packets_received_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008919 8, STATS_FLAGS_FUNC, "rx_ucast_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008920 { STATS_OFFSET32(total_multicast_packets_received_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008921 8, STATS_FLAGS_FUNC, "rx_mcast_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008922 { STATS_OFFSET32(total_broadcast_packets_received_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008923 8, STATS_FLAGS_FUNC, "rx_bcast_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008924 { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008925 8, STATS_FLAGS_FUNC, "tx_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008926 { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008927 8, STATS_FLAGS_PORT, "tx_mac_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008928/* 10 */{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008929 8, STATS_FLAGS_PORT, "tx_carrier_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008930 { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008931 8, STATS_FLAGS_PORT, "rx_crc_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008932 { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008933 8, STATS_FLAGS_PORT, "rx_align_errors" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008934 { STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008935 8, STATS_FLAGS_PORT, "tx_single_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008936 { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008937 8, STATS_FLAGS_PORT, "tx_multi_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008938 { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008939 8, STATS_FLAGS_PORT, "tx_deferred" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008940 { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008941 8, STATS_FLAGS_PORT, "tx_excess_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008942 { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008943 8, STATS_FLAGS_PORT, "tx_late_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008944 { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008945 8, STATS_FLAGS_PORT, "tx_total_collisions" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008946 { STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008947 8, STATS_FLAGS_PORT, "rx_fragments" },
8948/* 20 */{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
8949 8, STATS_FLAGS_PORT, "rx_jabbers" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008950 { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008951 8, STATS_FLAGS_PORT, "rx_undersize_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008952 { STATS_OFFSET32(jabber_packets_received),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008953 4, STATS_FLAGS_FUNC, "rx_oversize_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008954 { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008955 8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008956 { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008957 8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008958 { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008959 8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008960 { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008961 8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008962 { STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008963 8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008964 { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008965 8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008966 { STATS_OFFSET32(etherstatspktsover1522octets_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008967 8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008968/* 30 */{ STATS_OFFSET32(rx_stat_xonpauseframesreceived_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008969 8, STATS_FLAGS_PORT, "rx_xon_frames" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008970 { STATS_OFFSET32(rx_stat_xoffpauseframesreceived_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008971 8, STATS_FLAGS_PORT, "rx_xoff_frames" },
8972 { STATS_OFFSET32(tx_stat_outxonsent_hi),
8973 8, STATS_FLAGS_PORT, "tx_xon_frames" },
8974 { STATS_OFFSET32(tx_stat_outxoffsent_hi),
8975 8, STATS_FLAGS_PORT, "tx_xoff_frames" },
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008976 { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008977 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
8978 { STATS_OFFSET32(mac_filter_discard),
8979 4, STATS_FLAGS_PORT, "rx_filtered_packets" },
8980 { STATS_OFFSET32(no_buff_discard),
8981 4, STATS_FLAGS_FUNC, "rx_discards" },
8982 { STATS_OFFSET32(xxoverflow_discard),
8983 4, STATS_FLAGS_PORT, "rx_fw_discards" },
8984 { STATS_OFFSET32(brb_drop_hi),
8985 8, STATS_FLAGS_PORT, "brb_discard" },
8986 { STATS_OFFSET32(brb_truncate_hi),
8987 8, STATS_FLAGS_PORT, "brb_truncate" },
8988/* 40 */{ STATS_OFFSET32(rx_err_discard_pkt),
8989 4, STATS_FLAGS_FUNC, "rx_phy_ip_err_discards"},
8990 { STATS_OFFSET32(rx_skb_alloc_failed),
8991 4, STATS_FLAGS_FUNC, "rx_skb_alloc_discard" },
8992/* 42 */{ STATS_OFFSET32(hw_csum_err),
8993 4, STATS_FLAGS_FUNC, "rx_csum_offload_errors" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008994};
8995
Yitchak Gertner66e855f2008-08-13 15:49:05 -07008996#define IS_NOT_E1HMF_STAT(bp, i) \
8997 (IS_E1HMF(bp) && (bnx2x_stats_arr[i].flags & STATS_FLAGS_PORT))
8998
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008999static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
9000{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009001 struct bnx2x *bp = netdev_priv(dev);
9002 int i, j;
9003
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009004 switch (stringset) {
9005 case ETH_SS_STATS:
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009006 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009007 if (IS_NOT_E1HMF_STAT(bp, i))
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009008 continue;
9009 strcpy(buf + j*ETH_GSTRING_LEN,
9010 bnx2x_stats_arr[i].string);
9011 j++;
9012 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009013 break;
9014
9015 case ETH_SS_TEST:
9016 memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
9017 break;
9018 }
9019}
9020
9021static int bnx2x_get_stats_count(struct net_device *dev)
9022{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009023 struct bnx2x *bp = netdev_priv(dev);
9024 int i, num_stats = 0;
9025
9026 for (i = 0; i < BNX2X_NUM_STATS; i++) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009027 if (IS_NOT_E1HMF_STAT(bp, i))
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009028 continue;
9029 num_stats++;
9030 }
9031 return num_stats;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009032}
9033
9034static void bnx2x_get_ethtool_stats(struct net_device *dev,
9035 struct ethtool_stats *stats, u64 *buf)
9036{
9037 struct bnx2x *bp = netdev_priv(dev);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009038 u32 *hw_stats = (u32 *)&bp->eth_stats;
9039 int i, j;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009040
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009041 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
Yitchak Gertner66e855f2008-08-13 15:49:05 -07009042 if (IS_NOT_E1HMF_STAT(bp, i))
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009043 continue;
9044
9045 if (bnx2x_stats_arr[i].size == 0) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009046 /* skip this counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009047 buf[j] = 0;
9048 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009049 continue;
9050 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009051 if (bnx2x_stats_arr[i].size == 4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009052 /* 4-byte counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009053 buf[j] = (u64) *(hw_stats + bnx2x_stats_arr[i].offset);
9054 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009055 continue;
9056 }
9057 /* 8-byte counter */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009058 buf[j] = HILO_U64(*(hw_stats + bnx2x_stats_arr[i].offset),
9059 *(hw_stats + bnx2x_stats_arr[i].offset + 1));
9060 j++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009061 }
9062}
9063
9064static int bnx2x_phys_id(struct net_device *dev, u32 data)
9065{
9066 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009067 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009068 int i;
9069
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009070 if (!netif_running(dev))
9071 return 0;
9072
9073 if (!bp->port.pmf)
9074 return 0;
9075
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009076 if (data == 0)
9077 data = 2;
9078
9079 for (i = 0; i < (data * 2); i++) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009080 if ((i % 2) == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009081 bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009082 bp->link_params.hw_led_mode,
9083 bp->link_params.chip_id);
9084 else
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009085 bnx2x_set_led(bp, port, LED_MODE_OFF, 0,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009086 bp->link_params.hw_led_mode,
9087 bp->link_params.chip_id);
9088
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009089 msleep_interruptible(500);
9090 if (signal_pending(current))
9091 break;
9092 }
9093
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009094 if (bp->link_vars.link_up)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009095 bnx2x_set_led(bp, port, LED_MODE_OPER,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009096 bp->link_vars.line_speed,
9097 bp->link_params.hw_led_mode,
9098 bp->link_params.chip_id);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009099
9100 return 0;
9101}
9102
9103static struct ethtool_ops bnx2x_ethtool_ops = {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009104 .get_settings = bnx2x_get_settings,
9105 .set_settings = bnx2x_set_settings,
9106 .get_drvinfo = bnx2x_get_drvinfo,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009107 .get_wol = bnx2x_get_wol,
9108 .set_wol = bnx2x_set_wol,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009109 .get_msglevel = bnx2x_get_msglevel,
9110 .set_msglevel = bnx2x_set_msglevel,
9111 .nway_reset = bnx2x_nway_reset,
9112 .get_link = ethtool_op_get_link,
9113 .get_eeprom_len = bnx2x_get_eeprom_len,
9114 .get_eeprom = bnx2x_get_eeprom,
9115 .set_eeprom = bnx2x_set_eeprom,
9116 .get_coalesce = bnx2x_get_coalesce,
9117 .set_coalesce = bnx2x_set_coalesce,
9118 .get_ringparam = bnx2x_get_ringparam,
9119 .set_ringparam = bnx2x_set_ringparam,
9120 .get_pauseparam = bnx2x_get_pauseparam,
9121 .set_pauseparam = bnx2x_set_pauseparam,
9122 .get_rx_csum = bnx2x_get_rx_csum,
9123 .set_rx_csum = bnx2x_set_rx_csum,
9124 .get_tx_csum = ethtool_op_get_tx_csum,
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009125 .set_tx_csum = ethtool_op_set_tx_hw_csum,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009126 .set_flags = bnx2x_set_flags,
9127 .get_flags = ethtool_op_get_flags,
9128 .get_sg = ethtool_op_get_sg,
9129 .set_sg = ethtool_op_set_sg,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009130 .get_tso = ethtool_op_get_tso,
9131 .set_tso = bnx2x_set_tso,
9132 .self_test_count = bnx2x_self_test_count,
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07009133 .self_test = bnx2x_self_test,
9134 .get_strings = bnx2x_get_strings,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009135 .phys_id = bnx2x_phys_id,
9136 .get_stats_count = bnx2x_get_stats_count,
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009137 .get_ethtool_stats = bnx2x_get_ethtool_stats,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009138};
9139
9140/* end of ethtool_ops */
9141
9142/****************************************************************************
9143* General service functions
9144****************************************************************************/
9145
9146static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
9147{
9148 u16 pmcsr;
9149
9150 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
9151
9152 switch (state) {
9153 case PCI_D0:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009154 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009155 ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
9156 PCI_PM_CTRL_PME_STATUS));
9157
9158 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
9159 /* delay required during transition out of D3hot */
9160 msleep(20);
9161 break;
9162
9163 case PCI_D3hot:
9164 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
9165 pmcsr |= 3;
9166
9167 if (bp->wol)
9168 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
9169
9170 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
9171 pmcsr);
9172
9173 /* No more memory access after this point until
9174 * device is brought back to D0.
9175 */
9176 break;
9177
9178 default:
9179 return -EINVAL;
9180 }
9181 return 0;
9182}
9183
9184/*
9185 * net_device service functions
9186 */
9187
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009188static int bnx2x_poll(struct napi_struct *napi, int budget)
9189{
9190 struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath,
9191 napi);
9192 struct bnx2x *bp = fp->bp;
9193 int work_done = 0;
9194
9195#ifdef BNX2X_STOP_ON_ERROR
9196 if (unlikely(bp->panic))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009197 goto poll_panic;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009198#endif
9199
9200 prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb);
9201 prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb);
9202 prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256);
9203
9204 bnx2x_update_fpsb_idx(fp);
9205
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009206 if (BNX2X_HAS_TX_WORK(fp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009207 bnx2x_tx_int(fp, budget);
9208
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009209 if (BNX2X_HAS_RX_WORK(fp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009210 work_done = bnx2x_rx_int(fp, budget);
9211
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009212 rmb(); /* BNX2X_HAS_WORK() reads the status block */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009213
9214 /* must not complete if we consumed full budget */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009215 if ((work_done < budget) && !BNX2X_HAS_WORK(fp)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009216
9217#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009218poll_panic:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009219#endif
9220 netif_rx_complete(bp->dev, napi);
9221
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009222 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009223 le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009224 bnx2x_ack_sb(bp, FP_SB_ID(fp), CSTORM_ID,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009225 le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
9226 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009227 return work_done;
9228}
9229
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009230
9231/* we split the first BD into headers and data BDs
9232 * to ease the pain of our fellow micocode engineers
9233 * we use one mapping for both BDs
9234 * So far this has only been observed to happen
9235 * in Other Operating Systems(TM)
9236 */
9237static noinline u16 bnx2x_tx_split(struct bnx2x *bp,
9238 struct bnx2x_fastpath *fp,
9239 struct eth_tx_bd **tx_bd, u16 hlen,
9240 u16 bd_prod, int nbd)
9241{
9242 struct eth_tx_bd *h_tx_bd = *tx_bd;
9243 struct eth_tx_bd *d_tx_bd;
9244 dma_addr_t mapping;
9245 int old_len = le16_to_cpu(h_tx_bd->nbytes);
9246
9247 /* first fix first BD */
9248 h_tx_bd->nbd = cpu_to_le16(nbd);
9249 h_tx_bd->nbytes = cpu_to_le16(hlen);
9250
9251 DP(NETIF_MSG_TX_QUEUED, "TSO split header size is %d "
9252 "(%x:%x) nbd %d\n", h_tx_bd->nbytes, h_tx_bd->addr_hi,
9253 h_tx_bd->addr_lo, h_tx_bd->nbd);
9254
9255 /* now get a new data BD
9256 * (after the pbd) and fill it */
9257 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9258 d_tx_bd = &fp->tx_desc_ring[bd_prod];
9259
9260 mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi),
9261 le32_to_cpu(h_tx_bd->addr_lo)) + hlen;
9262
9263 d_tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9264 d_tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9265 d_tx_bd->nbytes = cpu_to_le16(old_len - hlen);
9266 d_tx_bd->vlan = 0;
9267 /* this marks the BD as one that has no individual mapping
9268 * the FW ignores this flag in a BD not marked start
9269 */
9270 d_tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO;
9271 DP(NETIF_MSG_TX_QUEUED,
9272 "TSO split data size is %d (%x:%x)\n",
9273 d_tx_bd->nbytes, d_tx_bd->addr_hi, d_tx_bd->addr_lo);
9274
9275 /* update tx_bd for marking the last BD flag */
9276 *tx_bd = d_tx_bd;
9277
9278 return bd_prod;
9279}
9280
9281static inline u16 bnx2x_csum_fix(unsigned char *t_header, u16 csum, s8 fix)
9282{
9283 if (fix > 0)
9284 csum = (u16) ~csum_fold(csum_sub(csum,
9285 csum_partial(t_header - fix, fix, 0)));
9286
9287 else if (fix < 0)
9288 csum = (u16) ~csum_fold(csum_add(csum,
9289 csum_partial(t_header, -fix, 0)));
9290
9291 return swab16(csum);
9292}
9293
9294static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
9295{
9296 u32 rc;
9297
9298 if (skb->ip_summed != CHECKSUM_PARTIAL)
9299 rc = XMIT_PLAIN;
9300
9301 else {
9302 if (skb->protocol == ntohs(ETH_P_IPV6)) {
9303 rc = XMIT_CSUM_V6;
9304 if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
9305 rc |= XMIT_CSUM_TCP;
9306
9307 } else {
9308 rc = XMIT_CSUM_V4;
9309 if (ip_hdr(skb)->protocol == IPPROTO_TCP)
9310 rc |= XMIT_CSUM_TCP;
9311 }
9312 }
9313
9314 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4)
9315 rc |= XMIT_GSO_V4;
9316
9317 else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
9318 rc |= XMIT_GSO_V6;
9319
9320 return rc;
9321}
9322
9323/* check if packet requires linearization (packet is too fragmented) */
9324static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
9325 u32 xmit_type)
9326{
9327 int to_copy = 0;
9328 int hlen = 0;
9329 int first_bd_sz = 0;
9330
9331 /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
9332 if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) {
9333
9334 if (xmit_type & XMIT_GSO) {
9335 unsigned short lso_mss = skb_shinfo(skb)->gso_size;
9336 /* Check if LSO packet needs to be copied:
9337 3 = 1 (for headers BD) + 2 (for PBD and last BD) */
9338 int wnd_size = MAX_FETCH_BD - 3;
9339 /* Number of widnows to check */
9340 int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size;
9341 int wnd_idx = 0;
9342 int frag_idx = 0;
9343 u32 wnd_sum = 0;
9344
9345 /* Headers length */
9346 hlen = (int)(skb_transport_header(skb) - skb->data) +
9347 tcp_hdrlen(skb);
9348
9349 /* Amount of data (w/o headers) on linear part of SKB*/
9350 first_bd_sz = skb_headlen(skb) - hlen;
9351
9352 wnd_sum = first_bd_sz;
9353
9354 /* Calculate the first sum - it's special */
9355 for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++)
9356 wnd_sum +=
9357 skb_shinfo(skb)->frags[frag_idx].size;
9358
9359 /* If there was data on linear skb data - check it */
9360 if (first_bd_sz > 0) {
9361 if (unlikely(wnd_sum < lso_mss)) {
9362 to_copy = 1;
9363 goto exit_lbl;
9364 }
9365
9366 wnd_sum -= first_bd_sz;
9367 }
9368
9369 /* Others are easier: run through the frag list and
9370 check all windows */
9371 for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) {
9372 wnd_sum +=
9373 skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size;
9374
9375 if (unlikely(wnd_sum < lso_mss)) {
9376 to_copy = 1;
9377 break;
9378 }
9379 wnd_sum -=
9380 skb_shinfo(skb)->frags[wnd_idx].size;
9381 }
9382
9383 } else {
9384 /* in non-LSO too fragmented packet should always
9385 be linearized */
9386 to_copy = 1;
9387 }
9388 }
9389
9390exit_lbl:
9391 if (unlikely(to_copy))
9392 DP(NETIF_MSG_TX_QUEUED,
9393 "Linearization IS REQUIRED for %s packet. "
9394 "num_frags %d hlen %d first_bd_sz %d\n",
9395 (xmit_type & XMIT_GSO) ? "LSO" : "non-LSO",
9396 skb_shinfo(skb)->nr_frags, hlen, first_bd_sz);
9397
9398 return to_copy;
9399}
9400
9401/* called with netif_tx_lock
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009402 * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009403 * netif_wake_queue()
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009404 */
9405static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
9406{
9407 struct bnx2x *bp = netdev_priv(dev);
9408 struct bnx2x_fastpath *fp;
9409 struct sw_tx_bd *tx_buf;
9410 struct eth_tx_bd *tx_bd;
9411 struct eth_tx_parse_bd *pbd = NULL;
9412 u16 pkt_prod, bd_prod;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009413 int nbd, fp_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009414 dma_addr_t mapping;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009415 u32 xmit_type = bnx2x_xmit_type(bp, skb);
9416 int vlan_off = (bp->e1hov ? 4 : 0);
9417 int i;
9418 u8 hlen = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009419
9420#ifdef BNX2X_STOP_ON_ERROR
9421 if (unlikely(bp->panic))
9422 return NETDEV_TX_BUSY;
9423#endif
9424
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009425 fp_index = (smp_processor_id() % bp->num_queues);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009426 fp = &bp->fp[fp_index];
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009427
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009428 if (unlikely(bnx2x_tx_avail(bp->fp) <
9429 (skb_shinfo(skb)->nr_frags + 3))) {
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009430 bp->eth_stats.driver_xoff++,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009431 netif_stop_queue(dev);
9432 BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
9433 return NETDEV_TX_BUSY;
9434 }
9435
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009436 DP(NETIF_MSG_TX_QUEUED, "SKB: summed %x protocol %x protocol(%x,%x)"
9437 " gso type %x xmit_type %x\n",
9438 skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr,
9439 ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type);
9440
9441 /* First, check if we need to linearaize the skb
9442 (due to FW restrictions) */
9443 if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) {
9444 /* Statistics of linearization */
9445 bp->lin_cnt++;
9446 if (skb_linearize(skb) != 0) {
9447 DP(NETIF_MSG_TX_QUEUED, "SKB linearization failed - "
9448 "silently dropping this SKB\n");
9449 dev_kfree_skb_any(skb);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07009450 return NETDEV_TX_OK;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009451 }
9452 }
9453
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009454 /*
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009455 Please read carefully. First we use one BD which we mark as start,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009456 then for TSO or xsum we have a parsing info BD,
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009457 and only then we have the rest of the TSO BDs.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009458 (don't forget to mark the last one as last,
9459 and to unmap only AFTER you write to the BD ...)
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009460 And above all, all pdb sizes are in words - NOT DWORDS!
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009461 */
9462
9463 pkt_prod = fp->tx_pkt_prod++;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009464 bd_prod = TX_BD(fp->tx_bd_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009465
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009466 /* get a tx_buf and first BD */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009467 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
9468 tx_bd = &fp->tx_desc_ring[bd_prod];
9469
9470 tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
9471 tx_bd->general_data = (UNICAST_ADDRESS <<
9472 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT);
9473 tx_bd->general_data |= 1; /* header nbd */
9474
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009475 /* remember the first BD of the packet */
9476 tx_buf->first_bd = fp->tx_bd_prod;
9477 tx_buf->skb = skb;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009478
9479 DP(NETIF_MSG_TX_QUEUED,
9480 "sending pkt %u @%p next_idx %u bd %u @%p\n",
9481 pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_bd);
9482
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009483 if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb)) {
9484 tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb));
9485 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG;
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009486 vlan_off += 4;
9487 } else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009488 tx_bd->vlan = cpu_to_le16(pkt_prod);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009489
9490 if (xmit_type) {
9491
9492 /* turn on parsing and get a BD */
9493 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9494 pbd = (void *)&fp->tx_desc_ring[bd_prod];
9495
9496 memset(pbd, 0, sizeof(struct eth_tx_parse_bd));
9497 }
9498
9499 if (xmit_type & XMIT_CSUM) {
9500 hlen = (skb_network_header(skb) - skb->data + vlan_off) / 2;
9501
9502 /* for now NS flag is not used in Linux */
9503 pbd->global_data = (hlen |
9504 ((skb->protocol == ntohs(ETH_P_8021Q)) <<
9505 ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT));
9506
9507 pbd->ip_hlen = (skb_transport_header(skb) -
9508 skb_network_header(skb)) / 2;
9509
9510 hlen += pbd->ip_hlen + tcp_hdrlen(skb) / 2;
9511
9512 pbd->total_hlen = cpu_to_le16(hlen);
9513 hlen = hlen*2 - vlan_off;
9514
9515 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM;
9516
9517 if (xmit_type & XMIT_CSUM_V4)
9518 tx_bd->bd_flags.as_bitfield |=
9519 ETH_TX_BD_FLAGS_IP_CSUM;
9520 else
9521 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IPV6;
9522
9523 if (xmit_type & XMIT_CSUM_TCP) {
9524 pbd->tcp_pseudo_csum = swab16(tcp_hdr(skb)->check);
9525
9526 } else {
9527 s8 fix = SKB_CS_OFF(skb); /* signed! */
9528
9529 pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG;
9530 pbd->cs_offset = fix / 2;
9531
9532 DP(NETIF_MSG_TX_QUEUED,
9533 "hlen %d offset %d fix %d csum before fix %x\n",
9534 le16_to_cpu(pbd->total_hlen), pbd->cs_offset, fix,
9535 SKB_CS(skb));
9536
9537 /* HW bug: fixup the CSUM */
9538 pbd->tcp_pseudo_csum =
9539 bnx2x_csum_fix(skb_transport_header(skb),
9540 SKB_CS(skb), fix);
9541
9542 DP(NETIF_MSG_TX_QUEUED, "csum after fix %x\n",
9543 pbd->tcp_pseudo_csum);
9544 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009545 }
9546
9547 mapping = pci_map_single(bp->pdev, skb->data,
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009548 skb_headlen(skb), PCI_DMA_TODEVICE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009549
9550 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9551 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9552 nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL)? 1 : 2);
9553 tx_bd->nbd = cpu_to_le16(nbd);
9554 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
9555
9556 DP(NETIF_MSG_TX_QUEUED, "first bd @%p addr (%x:%x) nbd %d"
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009557 " nbytes %d flags %x vlan %x\n",
9558 tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, le16_to_cpu(tx_bd->nbd),
9559 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield,
9560 le16_to_cpu(tx_bd->vlan));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009561
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009562 if (xmit_type & XMIT_GSO) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009563
9564 DP(NETIF_MSG_TX_QUEUED,
9565 "TSO packet len %d hlen %d total len %d tso size %d\n",
9566 skb->len, hlen, skb_headlen(skb),
9567 skb_shinfo(skb)->gso_size);
9568
9569 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO;
9570
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009571 if (unlikely(skb_headlen(skb) > hlen))
9572 bd_prod = bnx2x_tx_split(bp, fp, &tx_bd, hlen,
9573 bd_prod, ++nbd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009574
9575 pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
9576 pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009577 pbd->tcp_flags = pbd_tcp_flags(skb);
9578
9579 if (xmit_type & XMIT_GSO_V4) {
9580 pbd->ip_id = swab16(ip_hdr(skb)->id);
9581 pbd->tcp_pseudo_csum =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009582 swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr,
9583 ip_hdr(skb)->daddr,
9584 0, IPPROTO_TCP, 0));
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009585
9586 } else
9587 pbd->tcp_pseudo_csum =
9588 swab16(~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
9589 &ipv6_hdr(skb)->daddr,
9590 0, IPPROTO_TCP, 0));
9591
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009592 pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN;
9593 }
9594
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009595 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
9596 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009597
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009598 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9599 tx_bd = &fp->tx_desc_ring[bd_prod];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009600
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009601 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
9602 frag->size, PCI_DMA_TODEVICE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009603
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009604 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9605 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9606 tx_bd->nbytes = cpu_to_le16(frag->size);
9607 tx_bd->vlan = cpu_to_le16(pkt_prod);
9608 tx_bd->bd_flags.as_bitfield = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009609
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009610 DP(NETIF_MSG_TX_QUEUED,
9611 "frag %d bd @%p addr (%x:%x) nbytes %d flags %x\n",
9612 i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo,
9613 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009614 }
9615
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009616 /* now at last mark the BD as the last BD */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009617 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD;
9618
9619 DP(NETIF_MSG_TX_QUEUED, "last bd @%p flags %x\n",
9620 tx_bd, tx_bd->bd_flags.as_bitfield);
9621
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009622 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9623
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009624 /* now send a tx doorbell, counting the next BD
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009625 * if the packet contains or ends with it
9626 */
9627 if (TX_BD_POFF(bd_prod) < nbd)
9628 nbd++;
9629
9630 if (pbd)
9631 DP(NETIF_MSG_TX_QUEUED,
9632 "PBD @%p ip_data %x ip_hlen %u ip_id %u lso_mss %u"
9633 " tcp_flags %x xsum %x seq %u hlen %u\n",
9634 pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id,
9635 pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum,
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009636 pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009637
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009638 DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d bd %u\n", nbd, bd_prod);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009639
Eliezer Tamir96fc1782008-02-28 11:57:55 -08009640 fp->hw_tx_prods->bds_prod =
9641 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + nbd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009642 mb(); /* FW restriction: must not reorder writing nbd and packets */
Eliezer Tamir96fc1782008-02-28 11:57:55 -08009643 fp->hw_tx_prods->packets_prod =
9644 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009645 DOORBELL(bp, FP_IDX(fp), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009646
9647 mmiowb();
9648
Eilon Greenstein755735eb2008-06-23 20:35:13 -07009649 fp->tx_bd_prod += nbd;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009650 dev->trans_start = jiffies;
9651
9652 if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
9653 netif_stop_queue(dev);
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009654 bp->eth_stats.driver_xoff++;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009655 if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
9656 netif_wake_queue(dev);
9657 }
9658 fp->tx_pkt++;
9659
9660 return NETDEV_TX_OK;
9661}
9662
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009663/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009664static int bnx2x_open(struct net_device *dev)
9665{
9666 struct bnx2x *bp = netdev_priv(dev);
9667
9668 bnx2x_set_power_state(bp, PCI_D0);
9669
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009670 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009671}
9672
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009673/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009674static int bnx2x_close(struct net_device *dev)
9675{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009676 struct bnx2x *bp = netdev_priv(dev);
9677
9678 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009679 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
9680 if (atomic_read(&bp->pdev->enable_cnt) == 1)
9681 if (!CHIP_REV_IS_SLOW(bp))
9682 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009683
9684 return 0;
9685}
9686
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009687/* called with netif_tx_lock from set_multicast */
9688static void bnx2x_set_rx_mode(struct net_device *dev)
9689{
9690 struct bnx2x *bp = netdev_priv(dev);
9691 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
9692 int port = BP_PORT(bp);
9693
9694 if (bp->state != BNX2X_STATE_OPEN) {
9695 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
9696 return;
9697 }
9698
9699 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
9700
9701 if (dev->flags & IFF_PROMISC)
9702 rx_mode = BNX2X_RX_MODE_PROMISC;
9703
9704 else if ((dev->flags & IFF_ALLMULTI) ||
9705 ((dev->mc_count > BNX2X_MAX_MULTICAST) && CHIP_IS_E1(bp)))
9706 rx_mode = BNX2X_RX_MODE_ALLMULTI;
9707
9708 else { /* some multicasts */
9709 if (CHIP_IS_E1(bp)) {
9710 int i, old, offset;
9711 struct dev_mc_list *mclist;
9712 struct mac_configuration_cmd *config =
9713 bnx2x_sp(bp, mcast_config);
9714
9715 for (i = 0, mclist = dev->mc_list;
9716 mclist && (i < dev->mc_count);
9717 i++, mclist = mclist->next) {
9718
9719 config->config_table[i].
9720 cam_entry.msb_mac_addr =
9721 swab16(*(u16 *)&mclist->dmi_addr[0]);
9722 config->config_table[i].
9723 cam_entry.middle_mac_addr =
9724 swab16(*(u16 *)&mclist->dmi_addr[2]);
9725 config->config_table[i].
9726 cam_entry.lsb_mac_addr =
9727 swab16(*(u16 *)&mclist->dmi_addr[4]);
9728 config->config_table[i].cam_entry.flags =
9729 cpu_to_le16(port);
9730 config->config_table[i].
9731 target_table_entry.flags = 0;
9732 config->config_table[i].
9733 target_table_entry.client_id = 0;
9734 config->config_table[i].
9735 target_table_entry.vlan_id = 0;
9736
9737 DP(NETIF_MSG_IFUP,
9738 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
9739 config->config_table[i].
9740 cam_entry.msb_mac_addr,
9741 config->config_table[i].
9742 cam_entry.middle_mac_addr,
9743 config->config_table[i].
9744 cam_entry.lsb_mac_addr);
9745 }
9746 old = config->hdr.length_6b;
9747 if (old > i) {
9748 for (; i < old; i++) {
9749 if (CAM_IS_INVALID(config->
9750 config_table[i])) {
9751 i--; /* already invalidated */
9752 break;
9753 }
9754 /* invalidate */
9755 CAM_INVALIDATE(config->
9756 config_table[i]);
9757 }
9758 }
9759
9760 if (CHIP_REV_IS_SLOW(bp))
9761 offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
9762 else
9763 offset = BNX2X_MAX_MULTICAST*(1 + port);
9764
9765 config->hdr.length_6b = i;
9766 config->hdr.offset = offset;
9767 config->hdr.client_id = BP_CL_ID(bp);
9768 config->hdr.reserved1 = 0;
9769
9770 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
9771 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
9772 U64_LO(bnx2x_sp_mapping(bp, mcast_config)),
9773 0);
9774 } else { /* E1H */
9775 /* Accept one or more multicasts */
9776 struct dev_mc_list *mclist;
9777 u32 mc_filter[MC_HASH_SIZE];
9778 u32 crc, bit, regidx;
9779 int i;
9780
9781 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
9782
9783 for (i = 0, mclist = dev->mc_list;
9784 mclist && (i < dev->mc_count);
9785 i++, mclist = mclist->next) {
9786
9787 DP(NETIF_MSG_IFUP, "Adding mcast MAC: "
9788 "%02x:%02x:%02x:%02x:%02x:%02x\n",
9789 mclist->dmi_addr[0], mclist->dmi_addr[1],
9790 mclist->dmi_addr[2], mclist->dmi_addr[3],
9791 mclist->dmi_addr[4], mclist->dmi_addr[5]);
9792
9793 crc = crc32c_le(0, mclist->dmi_addr, ETH_ALEN);
9794 bit = (crc >> 24) & 0xff;
9795 regidx = bit >> 5;
9796 bit &= 0x1f;
9797 mc_filter[regidx] |= (1 << bit);
9798 }
9799
9800 for (i = 0; i < MC_HASH_SIZE; i++)
9801 REG_WR(bp, MC_HASH_OFFSET(bp, i),
9802 mc_filter[i]);
9803 }
9804 }
9805
9806 bp->rx_mode = rx_mode;
9807 bnx2x_set_storm_rx_mode(bp);
9808}
9809
9810/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009811static int bnx2x_change_mac_addr(struct net_device *dev, void *p)
9812{
9813 struct sockaddr *addr = p;
9814 struct bnx2x *bp = netdev_priv(dev);
9815
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009816 if (!is_valid_ether_addr((u8 *)(addr->sa_data)))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009817 return -EINVAL;
9818
9819 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009820 if (netif_running(dev)) {
9821 if (CHIP_IS_E1(bp))
9822 bnx2x_set_mac_addr_e1(bp);
9823 else
9824 bnx2x_set_mac_addr_e1h(bp);
9825 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009826
9827 return 0;
9828}
9829
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009830/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009831static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9832{
9833 struct mii_ioctl_data *data = if_mii(ifr);
9834 struct bnx2x *bp = netdev_priv(dev);
9835 int err;
9836
9837 switch (cmd) {
9838 case SIOCGMIIPHY:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009839 data->phy_id = bp->port.phy_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009840
Eliezer Tamirc14423f2008-02-28 11:49:42 -08009841 /* fallthrough */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009842
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009843 case SIOCGMIIREG: {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009844 u16 mii_regval;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009845
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009846 if (!netif_running(dev))
9847 return -EAGAIN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009848
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009849 mutex_lock(&bp->port.phy_mutex);
9850 err = bnx2x_cl45_read(bp, BP_PORT(bp), 0, bp->port.phy_addr,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009851 DEFAULT_PHY_DEV_ADDR,
9852 (data->reg_num & 0x1f), &mii_regval);
9853 data->val_out = mii_regval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009854 mutex_unlock(&bp->port.phy_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009855 return err;
9856 }
9857
9858 case SIOCSMIIREG:
9859 if (!capable(CAP_NET_ADMIN))
9860 return -EPERM;
9861
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009862 if (!netif_running(dev))
9863 return -EAGAIN;
9864
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009865 mutex_lock(&bp->port.phy_mutex);
9866 err = bnx2x_cl45_write(bp, BP_PORT(bp), 0, bp->port.phy_addr,
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009867 DEFAULT_PHY_DEV_ADDR,
9868 (data->reg_num & 0x1f), data->val_in);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009869 mutex_unlock(&bp->port.phy_mutex);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009870 return err;
9871
9872 default:
9873 /* do nothing */
9874 break;
9875 }
9876
9877 return -EOPNOTSUPP;
9878}
9879
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009880/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009881static int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
9882{
9883 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009884 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009885
9886 if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) ||
9887 ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE))
9888 return -EINVAL;
9889
9890 /* This does not race with packet allocation
Eliezer Tamirc14423f2008-02-28 11:49:42 -08009891 * because the actual alloc size is
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009892 * only updated as part of load
9893 */
9894 dev->mtu = new_mtu;
9895
9896 if (netif_running(dev)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009897 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
9898 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009899 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009900
9901 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009902}
9903
9904static void bnx2x_tx_timeout(struct net_device *dev)
9905{
9906 struct bnx2x *bp = netdev_priv(dev);
9907
9908#ifdef BNX2X_STOP_ON_ERROR
9909 if (!bp->panic)
9910 bnx2x_panic();
9911#endif
9912 /* This allows the netif to be shutdown gracefully before resetting */
9913 schedule_work(&bp->reset_task);
9914}
9915
9916#ifdef BCM_VLAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009917/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009918static void bnx2x_vlan_rx_register(struct net_device *dev,
9919 struct vlan_group *vlgrp)
9920{
9921 struct bnx2x *bp = netdev_priv(dev);
9922
9923 bp->vlgrp = vlgrp;
9924 if (netif_running(dev))
Eliezer Tamir49d66772008-02-28 11:53:13 -08009925 bnx2x_set_client_config(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009926}
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009927
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009928#endif
9929
9930#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
9931static void poll_bnx2x(struct net_device *dev)
9932{
9933 struct bnx2x *bp = netdev_priv(dev);
9934
9935 disable_irq(bp->pdev->irq);
9936 bnx2x_interrupt(bp->pdev->irq, dev);
9937 enable_irq(bp->pdev->irq);
9938}
9939#endif
9940
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009941static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
9942 struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009943{
9944 struct bnx2x *bp;
9945 int rc;
9946
9947 SET_NETDEV_DEV(dev, &pdev->dev);
9948 bp = netdev_priv(dev);
9949
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009950 bp->dev = dev;
9951 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009952 bp->flags = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009953 bp->func = PCI_FUNC(pdev->devfn);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009954
9955 rc = pci_enable_device(pdev);
9956 if (rc) {
9957 printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n");
9958 goto err_out;
9959 }
9960
9961 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
9962 printk(KERN_ERR PFX "Cannot find PCI device base address,"
9963 " aborting\n");
9964 rc = -ENODEV;
9965 goto err_out_disable;
9966 }
9967
9968 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
9969 printk(KERN_ERR PFX "Cannot find second PCI device"
9970 " base address, aborting\n");
9971 rc = -ENODEV;
9972 goto err_out_disable;
9973 }
9974
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009975 if (atomic_read(&pdev->enable_cnt) == 1) {
9976 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
9977 if (rc) {
9978 printk(KERN_ERR PFX "Cannot obtain PCI resources,"
9979 " aborting\n");
9980 goto err_out_disable;
9981 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009982
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009983 pci_set_master(pdev);
9984 pci_save_state(pdev);
9985 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009986
9987 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
9988 if (bp->pm_cap == 0) {
9989 printk(KERN_ERR PFX "Cannot find power management"
9990 " capability, aborting\n");
9991 rc = -EIO;
9992 goto err_out_release;
9993 }
9994
9995 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
9996 if (bp->pcie_cap == 0) {
9997 printk(KERN_ERR PFX "Cannot find PCI Express capability,"
9998 " aborting\n");
9999 rc = -EIO;
10000 goto err_out_release;
10001 }
10002
10003 if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
10004 bp->flags |= USING_DAC_FLAG;
10005 if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
10006 printk(KERN_ERR PFX "pci_set_consistent_dma_mask"
10007 " failed, aborting\n");
10008 rc = -EIO;
10009 goto err_out_release;
10010 }
10011
10012 } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
10013 printk(KERN_ERR PFX "System does not support DMA,"
10014 " aborting\n");
10015 rc = -EIO;
10016 goto err_out_release;
10017 }
10018
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010019 dev->mem_start = pci_resource_start(pdev, 0);
10020 dev->base_addr = dev->mem_start;
10021 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010022
10023 dev->irq = pdev->irq;
10024
10025 bp->regview = ioremap_nocache(dev->base_addr,
10026 pci_resource_len(pdev, 0));
10027 if (!bp->regview) {
10028 printk(KERN_ERR PFX "Cannot map register space, aborting\n");
10029 rc = -ENOMEM;
10030 goto err_out_release;
10031 }
10032
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010033 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
10034 min_t(u64, BNX2X_DB_SIZE,
10035 pci_resource_len(pdev, 2)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010036 if (!bp->doorbells) {
10037 printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n");
10038 rc = -ENOMEM;
10039 goto err_out_unmap;
10040 }
10041
10042 bnx2x_set_power_state(bp, PCI_D0);
10043
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010044 /* clean indirect addresses */
10045 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
10046 PCICFG_VENDOR_ID_OFFSET);
10047 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
10048 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
10049 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
10050 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010051
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010052 dev->hard_start_xmit = bnx2x_start_xmit;
10053 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010054
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010055 dev->ethtool_ops = &bnx2x_ethtool_ops;
10056 dev->open = bnx2x_open;
10057 dev->stop = bnx2x_close;
10058 dev->set_multicast_list = bnx2x_set_rx_mode;
10059 dev->set_mac_address = bnx2x_change_mac_addr;
10060 dev->do_ioctl = bnx2x_ioctl;
10061 dev->change_mtu = bnx2x_change_mtu;
10062 dev->tx_timeout = bnx2x_tx_timeout;
10063#ifdef BCM_VLAN
10064 dev->vlan_rx_register = bnx2x_vlan_rx_register;
10065#endif
10066#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
10067 dev->poll_controller = poll_bnx2x;
10068#endif
10069 dev->features |= NETIF_F_SG;
10070 dev->features |= NETIF_F_HW_CSUM;
10071 if (bp->flags & USING_DAC_FLAG)
10072 dev->features |= NETIF_F_HIGHDMA;
10073#ifdef BCM_VLAN
10074 dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
10075#endif
10076 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
Eilon Greenstein755735eb2008-06-23 20:35:13 -070010077 dev->features |= NETIF_F_TSO6;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010078
10079 return 0;
10080
10081err_out_unmap:
10082 if (bp->regview) {
10083 iounmap(bp->regview);
10084 bp->regview = NULL;
10085 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010086 if (bp->doorbells) {
10087 iounmap(bp->doorbells);
10088 bp->doorbells = NULL;
10089 }
10090
10091err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010092 if (atomic_read(&pdev->enable_cnt) == 1)
10093 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010094
10095err_out_disable:
10096 pci_disable_device(pdev);
10097 pci_set_drvdata(pdev, NULL);
10098
10099err_out:
10100 return rc;
10101}
10102
Eliezer Tamir25047952008-02-28 11:50:16 -080010103static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp)
10104{
10105 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10106
10107 val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
10108 return val;
10109}
10110
10111/* return value of 1=2.5GHz 2=5GHz */
10112static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp)
10113{
10114 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10115
10116 val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
10117 return val;
10118}
10119
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010120static int __devinit bnx2x_init_one(struct pci_dev *pdev,
10121 const struct pci_device_id *ent)
10122{
10123 static int version_printed;
10124 struct net_device *dev = NULL;
10125 struct bnx2x *bp;
Eliezer Tamir25047952008-02-28 11:50:16 -080010126 int rc;
Eliezer Tamir25047952008-02-28 11:50:16 -080010127 DECLARE_MAC_BUF(mac);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010128
10129 if (version_printed++ == 0)
10130 printk(KERN_INFO "%s", version);
10131
10132 /* dev zeroed in init_etherdev */
10133 dev = alloc_etherdev(sizeof(*bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010134 if (!dev) {
10135 printk(KERN_ERR PFX "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010136 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010137 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010138
10139 netif_carrier_off(dev);
10140
10141 bp = netdev_priv(dev);
10142 bp->msglevel = debug;
10143
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010144 rc = bnx2x_init_dev(pdev, dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010145 if (rc < 0) {
10146 free_netdev(dev);
10147 return rc;
10148 }
10149
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010150 rc = register_netdev(dev);
10151 if (rc) {
Eliezer Tamirc14423f2008-02-28 11:49:42 -080010152 dev_err(&pdev->dev, "Cannot register net device\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010153 goto init_one_exit;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010154 }
10155
10156 pci_set_drvdata(pdev, dev);
10157
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010158 rc = bnx2x_init_bp(bp);
10159 if (rc) {
10160 unregister_netdev(dev);
10161 goto init_one_exit;
10162 }
10163
10164 bp->common.name = board_info[ent->driver_data].name;
Eliezer Tamir25047952008-02-28 11:50:16 -080010165 printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx,"
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010166 " IRQ %d, ", dev->name, bp->common.name,
10167 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
Eliezer Tamir25047952008-02-28 11:50:16 -080010168 bnx2x_get_pcie_width(bp),
10169 (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz",
10170 dev->base_addr, bp->pdev->irq);
10171 printk(KERN_CONT "node addr %s\n", print_mac(mac, dev->dev_addr));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010172 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010173
10174init_one_exit:
10175 if (bp->regview)
10176 iounmap(bp->regview);
10177
10178 if (bp->doorbells)
10179 iounmap(bp->doorbells);
10180
10181 free_netdev(dev);
10182
10183 if (atomic_read(&pdev->enable_cnt) == 1)
10184 pci_release_regions(pdev);
10185
10186 pci_disable_device(pdev);
10187 pci_set_drvdata(pdev, NULL);
10188
10189 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010190}
10191
10192static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
10193{
10194 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010195 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010196
Eliezer Tamir228241e2008-02-28 11:56:57 -080010197 if (!dev) {
Eliezer Tamir228241e2008-02-28 11:56:57 -080010198 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10199 return;
10200 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010201 bp = netdev_priv(dev);
10202
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010203 unregister_netdev(dev);
10204
10205 if (bp->regview)
10206 iounmap(bp->regview);
10207
10208 if (bp->doorbells)
10209 iounmap(bp->doorbells);
10210
10211 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010212
10213 if (atomic_read(&pdev->enable_cnt) == 1)
10214 pci_release_regions(pdev);
10215
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010216 pci_disable_device(pdev);
10217 pci_set_drvdata(pdev, NULL);
10218}
10219
10220static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
10221{
10222 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010223 struct bnx2x *bp;
10224
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010225 if (!dev) {
10226 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10227 return -ENODEV;
10228 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010229 bp = netdev_priv(dev);
10230
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010231 rtnl_lock();
10232
10233 pci_save_state(pdev);
10234
10235 if (!netif_running(dev)) {
10236 rtnl_unlock();
10237 return 0;
10238 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010239
10240 netif_device_detach(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010241
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -070010242 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010243
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010244 bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
Eliezer Tamir228241e2008-02-28 11:56:57 -080010245
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010246 rtnl_unlock();
10247
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010248 return 0;
10249}
10250
10251static int bnx2x_resume(struct pci_dev *pdev)
10252{
10253 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -080010254 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010255 int rc;
10256
Eliezer Tamir228241e2008-02-28 11:56:57 -080010257 if (!dev) {
10258 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10259 return -ENODEV;
10260 }
Eliezer Tamir228241e2008-02-28 11:56:57 -080010261 bp = netdev_priv(dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010262
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010263 rtnl_lock();
10264
Eliezer Tamir228241e2008-02-28 11:56:57 -080010265 pci_restore_state(pdev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010266
10267 if (!netif_running(dev)) {
10268 rtnl_unlock();
10269 return 0;
10270 }
10271
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010272 bnx2x_set_power_state(bp, PCI_D0);
10273 netif_device_attach(dev);
10274
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -070010275 rc = bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010276
Eilon Greenstein34f80b02008-06-23 20:33:01 -070010277 rtnl_unlock();
10278
10279 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010280}
10281
Wendy Xiong493adb12008-06-23 20:36:22 -070010282/**
10283 * bnx2x_io_error_detected - called when PCI error is detected
10284 * @pdev: Pointer to PCI device
10285 * @state: The current pci connection state
10286 *
10287 * This function is called after a PCI bus error affecting
10288 * this device has been detected.
10289 */
10290static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
10291 pci_channel_state_t state)
10292{
10293 struct net_device *dev = pci_get_drvdata(pdev);
10294 struct bnx2x *bp = netdev_priv(dev);
10295
10296 rtnl_lock();
10297
10298 netif_device_detach(dev);
10299
10300 if (netif_running(dev))
10301 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
10302
10303 pci_disable_device(pdev);
10304
10305 rtnl_unlock();
10306
10307 /* Request a slot reset */
10308 return PCI_ERS_RESULT_NEED_RESET;
10309}
10310
10311/**
10312 * bnx2x_io_slot_reset - called after the PCI bus has been reset
10313 * @pdev: Pointer to PCI device
10314 *
10315 * Restart the card from scratch, as if from a cold-boot.
10316 */
10317static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
10318{
10319 struct net_device *dev = pci_get_drvdata(pdev);
10320 struct bnx2x *bp = netdev_priv(dev);
10321
10322 rtnl_lock();
10323
10324 if (pci_enable_device(pdev)) {
10325 dev_err(&pdev->dev,
10326 "Cannot re-enable PCI device after reset\n");
10327 rtnl_unlock();
10328 return PCI_ERS_RESULT_DISCONNECT;
10329 }
10330
10331 pci_set_master(pdev);
10332 pci_restore_state(pdev);
10333
10334 if (netif_running(dev))
10335 bnx2x_set_power_state(bp, PCI_D0);
10336
10337 rtnl_unlock();
10338
10339 return PCI_ERS_RESULT_RECOVERED;
10340}
10341
10342/**
10343 * bnx2x_io_resume - called when traffic can start flowing again
10344 * @pdev: Pointer to PCI device
10345 *
10346 * This callback is called when the error recovery driver tells us that
10347 * its OK to resume normal operation.
10348 */
10349static void bnx2x_io_resume(struct pci_dev *pdev)
10350{
10351 struct net_device *dev = pci_get_drvdata(pdev);
10352 struct bnx2x *bp = netdev_priv(dev);
10353
10354 rtnl_lock();
10355
10356 if (netif_running(dev))
10357 bnx2x_nic_load(bp, LOAD_OPEN);
10358
10359 netif_device_attach(dev);
10360
10361 rtnl_unlock();
10362}
10363
10364static struct pci_error_handlers bnx2x_err_handler = {
10365 .error_detected = bnx2x_io_error_detected,
10366 .slot_reset = bnx2x_io_slot_reset,
10367 .resume = bnx2x_io_resume,
10368};
10369
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010370static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070010371 .name = DRV_MODULE_NAME,
10372 .id_table = bnx2x_pci_tbl,
10373 .probe = bnx2x_init_one,
10374 .remove = __devexit_p(bnx2x_remove_one),
10375 .suspend = bnx2x_suspend,
10376 .resume = bnx2x_resume,
10377 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010378};
10379
10380static int __init bnx2x_init(void)
10381{
10382 return pci_register_driver(&bnx2x_pci_driver);
10383}
10384
10385static void __exit bnx2x_cleanup(void)
10386{
10387 pci_unregister_driver(&bnx2x_pci_driver);
10388}
10389
10390module_init(bnx2x_init);
10391module_exit(bnx2x_cleanup);
10392