1 /* bnx2x_main.c: Broadcom Everest network driver.
3 * Copyright (c) 2007-2008 Broadcom Corporation
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.
9 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
11 * Based on code from Michael Chan's bnx2 driver
12 * UDP CSUM errata workaround by Arik Gendelman
13 * Slowpath rework by Vladislav Zolotarov
14 * Statistics and Link management by Yitchak Gertner
18 #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>
46 #include <net/checksum.h>
47 #include <net/ip6_checksum.h>
48 #include <linux/workqueue.h>
49 #include <linux/crc32.h>
50 #include <linux/crc32c.h>
51 #include <linux/prefetch.h>
52 #include <linux/zlib.h>
55 #include "bnx2x_reg.h"
56 #include "bnx2x_fw_defs.h"
57 #include "bnx2x_hsi.h"
58 #include "bnx2x_link.h"
60 #include "bnx2x_init.h"
62 #define DRV_MODULE_VERSION "1.45.17"
63 #define DRV_MODULE_RELDATE "2008/08/13"
64 #define BNX2X_BC_VER 0x040200
66 /* Time in jiffies before concluding the transmitter is hung */
67 #define TX_TIMEOUT (5*HZ)
69 static char version[] __devinitdata =
70 "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
71 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
73 MODULE_AUTHOR("Eliezer Tamir");
74 MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver");
75 MODULE_LICENSE("GPL");
76 MODULE_VERSION(DRV_MODULE_VERSION);
78 static int disable_tpa;
82 static int load_count[3]; /* 0-common, 1-port0, 2-port1 */
85 module_param(disable_tpa, int, 0);
86 module_param(use_inta, int, 0);
87 module_param(poll, int, 0);
88 module_param(debug, int, 0);
89 MODULE_PARM_DESC(disable_tpa, "disable the TPA (LRO) feature");
90 MODULE_PARM_DESC(use_inta, "use INT#A instead of MSI-X");
91 MODULE_PARM_DESC(poll, "use polling (for debug)");
92 MODULE_PARM_DESC(debug, "default debug msglevel");
95 module_param(use_multi, int, 0);
96 MODULE_PARM_DESC(use_multi, "use per-CPU queues");
99 enum bnx2x_board_type {
105 /* indexed by board_type, above */
108 } board_info[] __devinitdata = {
109 { "Broadcom NetXtreme II BCM57710 XGb" },
110 { "Broadcom NetXtreme II BCM57711 XGb" },
111 { "Broadcom NetXtreme II BCM57711E XGb" }
115 static const struct pci_device_id bnx2x_pci_tbl[] = {
116 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57710,
117 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57710 },
118 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711,
119 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711 },
120 { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711E,
121 PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711E },
125 MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
127 /****************************************************************************
128 * General service functions
129 ****************************************************************************/
132 * locking is done by mcp
134 static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
136 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
137 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
138 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
139 PCICFG_VENDOR_ID_OFFSET);
142 static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
146 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
147 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
148 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
149 PCICFG_VENDOR_ID_OFFSET);
154 static const u32 dmae_reg_go_c[] = {
155 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
156 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
157 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
158 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
161 /* copy command into DMAE command memory and set DMAE command go */
162 static void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae,
168 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
169 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
170 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
172 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
173 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
175 REG_WR(bp, dmae_reg_go_c[idx], 1);
178 void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
181 struct dmae_command *dmae = &bp->init_dmae;
182 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
185 if (!bp->dmae_ready) {
186 u32 *data = bnx2x_sp(bp, wb_data[0]);
188 DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)"
189 " using indirect\n", dst_addr, len32);
190 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
194 mutex_lock(&bp->dmae_mutex);
196 memset(dmae, 0, sizeof(struct dmae_command));
198 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
199 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
200 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
202 DMAE_CMD_ENDIANITY_B_DW_SWAP |
204 DMAE_CMD_ENDIANITY_DW_SWAP |
206 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
207 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
208 dmae->src_addr_lo = U64_LO(dma_addr);
209 dmae->src_addr_hi = U64_HI(dma_addr);
210 dmae->dst_addr_lo = dst_addr >> 2;
211 dmae->dst_addr_hi = 0;
213 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
214 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
215 dmae->comp_val = DMAE_COMP_VAL;
217 DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
218 DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
219 "dst_addr [%x:%08x (%08x)]\n"
220 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
221 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
222 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, dst_addr,
223 dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
224 DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
225 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
226 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
230 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
234 while (*wb_comp != DMAE_COMP_VAL) {
235 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
238 BNX2X_ERR("dmae timeout!\n");
242 /* adjust delay for emulation/FPGA */
243 if (CHIP_REV_IS_SLOW(bp))
249 mutex_unlock(&bp->dmae_mutex);
252 void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
254 struct dmae_command *dmae = &bp->init_dmae;
255 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
258 if (!bp->dmae_ready) {
259 u32 *data = bnx2x_sp(bp, wb_data[0]);
262 DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)"
263 " using indirect\n", src_addr, len32);
264 for (i = 0; i < len32; i++)
265 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
269 mutex_lock(&bp->dmae_mutex);
271 memset(bnx2x_sp(bp, wb_data[0]), 0, sizeof(u32) * 4);
272 memset(dmae, 0, sizeof(struct dmae_command));
274 dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
275 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
276 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
278 DMAE_CMD_ENDIANITY_B_DW_SWAP |
280 DMAE_CMD_ENDIANITY_DW_SWAP |
282 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
283 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
284 dmae->src_addr_lo = src_addr >> 2;
285 dmae->src_addr_hi = 0;
286 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
287 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
289 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
290 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
291 dmae->comp_val = DMAE_COMP_VAL;
293 DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
294 DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
295 "dst_addr [%x:%08x (%08x)]\n"
296 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
297 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
298 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, src_addr,
299 dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
303 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
307 while (*wb_comp != DMAE_COMP_VAL) {
310 BNX2X_ERR("dmae timeout!\n");
314 /* adjust delay for emulation/FPGA */
315 if (CHIP_REV_IS_SLOW(bp))
320 DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n",
321 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
322 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
324 mutex_unlock(&bp->dmae_mutex);
327 /* used only for slowpath so not inlined */
328 static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
332 wb_write[0] = val_hi;
333 wb_write[1] = val_lo;
334 REG_WR_DMAE(bp, reg, wb_write, 2);
338 static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
342 REG_RD_DMAE(bp, reg, wb_data, 2);
344 return HILO_U64(wb_data[0], wb_data[1]);
348 static int bnx2x_mc_assert(struct bnx2x *bp)
352 u32 row0, row1, row2, row3;
355 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
356 XSTORM_ASSERT_LIST_INDEX_OFFSET);
358 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
360 /* print the asserts */
361 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
363 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
364 XSTORM_ASSERT_LIST_OFFSET(i));
365 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
366 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
367 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
368 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
369 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
370 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
372 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
373 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
374 " 0x%08x 0x%08x 0x%08x\n",
375 i, row3, row2, row1, row0);
383 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
384 TSTORM_ASSERT_LIST_INDEX_OFFSET);
386 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
388 /* print the asserts */
389 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
391 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
392 TSTORM_ASSERT_LIST_OFFSET(i));
393 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
394 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
395 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
396 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
397 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
398 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
400 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
401 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
402 " 0x%08x 0x%08x 0x%08x\n",
403 i, row3, row2, row1, row0);
411 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
412 CSTORM_ASSERT_LIST_INDEX_OFFSET);
414 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
416 /* print the asserts */
417 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
419 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
420 CSTORM_ASSERT_LIST_OFFSET(i));
421 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
422 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
423 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
424 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
425 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
426 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
428 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
429 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
430 " 0x%08x 0x%08x 0x%08x\n",
431 i, row3, row2, row1, row0);
439 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
440 USTORM_ASSERT_LIST_INDEX_OFFSET);
442 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
444 /* print the asserts */
445 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
447 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
448 USTORM_ASSERT_LIST_OFFSET(i));
449 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
450 USTORM_ASSERT_LIST_OFFSET(i) + 4);
451 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
452 USTORM_ASSERT_LIST_OFFSET(i) + 8);
453 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
454 USTORM_ASSERT_LIST_OFFSET(i) + 12);
456 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
457 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
458 " 0x%08x 0x%08x 0x%08x\n",
459 i, row3, row2, row1, row0);
469 static void bnx2x_fw_dump(struct bnx2x *bp)
475 mark = REG_RD(bp, MCP_REG_MCPR_SCRATCH + 0xf104);
476 mark = ((mark + 0x3) & ~0x3);
477 printk(KERN_ERR PFX "begin fw dump (mark 0x%x)\n" KERN_ERR, mark);
479 for (offset = mark - 0x08000000; offset <= 0xF900; offset += 0x8*4) {
480 for (word = 0; word < 8; word++)
481 data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
484 printk(KERN_CONT "%s", (char *)data);
486 for (offset = 0xF108; offset <= mark - 0x08000000; offset += 0x8*4) {
487 for (word = 0; word < 8; word++)
488 data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH +
491 printk(KERN_CONT "%s", (char *)data);
493 printk("\n" KERN_ERR PFX "end of fw dump\n");
496 static void bnx2x_panic_dump(struct bnx2x *bp)
501 bp->stats_state = STATS_STATE_DISABLED;
502 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
504 BNX2X_ERR("begin crash dump -----------------\n");
506 for_each_queue(bp, i) {
507 struct bnx2x_fastpath *fp = &bp->fp[i];
508 struct eth_tx_db_data *hw_prods = fp->hw_tx_prods;
510 BNX2X_ERR("queue[%d]: tx_pkt_prod(%x) tx_pkt_cons(%x)"
511 " tx_bd_prod(%x) tx_bd_cons(%x) *tx_cons_sb(%x)\n",
512 i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
513 fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
514 BNX2X_ERR(" rx_bd_prod(%x) rx_bd_cons(%x)"
515 " *rx_bd_cons_sb(%x) rx_comp_prod(%x)"
516 " rx_comp_cons(%x) *rx_cons_sb(%x)\n",
517 fp->rx_bd_prod, fp->rx_bd_cons,
518 le16_to_cpu(*fp->rx_bd_cons_sb), fp->rx_comp_prod,
519 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
520 BNX2X_ERR(" rx_sge_prod(%x) last_max_sge(%x)"
521 " fp_c_idx(%x) *sb_c_idx(%x) fp_u_idx(%x)"
522 " *sb_u_idx(%x) bd data(%x,%x)\n",
523 fp->rx_sge_prod, fp->last_max_sge, fp->fp_c_idx,
524 fp->status_blk->c_status_block.status_block_index,
526 fp->status_blk->u_status_block.status_block_index,
527 hw_prods->packets_prod, hw_prods->bds_prod);
529 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
530 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
531 for (j = start; j < end; j++) {
532 struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
534 BNX2X_ERR("packet[%x]=[%p,%x]\n", j,
535 sw_bd->skb, sw_bd->first_bd);
538 start = TX_BD(fp->tx_bd_cons - 10);
539 end = TX_BD(fp->tx_bd_cons + 254);
540 for (j = start; j < end; j++) {
541 u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
543 BNX2X_ERR("tx_bd[%x]=[%x:%x:%x:%x]\n",
544 j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
547 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
548 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
549 for (j = start; j < end; j++) {
550 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
551 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
553 BNX2X_ERR("rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
554 j, rx_bd[1], rx_bd[0], sw_bd->skb);
557 start = RX_SGE(fp->rx_sge_prod);
558 end = RX_SGE(fp->last_max_sge);
559 for (j = start; j < end; j++) {
560 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
561 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
563 BNX2X_ERR("rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
564 j, rx_sge[1], rx_sge[0], sw_page->page);
567 start = RCQ_BD(fp->rx_comp_cons - 10);
568 end = RCQ_BD(fp->rx_comp_cons + 503);
569 for (j = start; j < end; j++) {
570 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
572 BNX2X_ERR("cqe[%x]=[%x:%x:%x:%x]\n",
573 j, cqe[0], cqe[1], cqe[2], cqe[3]);
577 BNX2X_ERR("def_c_idx(%u) def_u_idx(%u) def_x_idx(%u)"
578 " def_t_idx(%u) def_att_idx(%u) attn_state(%u)"
579 " spq_prod_idx(%u)\n",
580 bp->def_c_idx, bp->def_u_idx, bp->def_x_idx, bp->def_t_idx,
581 bp->def_att_idx, bp->attn_state, bp->spq_prod_idx);
585 BNX2X_ERR("end crash dump -----------------\n");
588 static void bnx2x_int_enable(struct bnx2x *bp)
590 int port = BP_PORT(bp);
591 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
592 u32 val = REG_RD(bp, addr);
593 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
596 val &= ~HC_CONFIG_0_REG_SINGLE_ISR_EN_0;
597 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
598 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
600 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
601 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
602 HC_CONFIG_0_REG_INT_LINE_EN_0 |
603 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
605 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n",
606 val, port, addr, msix);
608 REG_WR(bp, addr, val);
610 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
613 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n",
614 val, port, addr, msix);
616 REG_WR(bp, addr, val);
618 if (CHIP_IS_E1H(bp)) {
619 /* init leading/trailing edge */
621 val = (0xfe0f | (1 << (BP_E1HVN(bp) + 4)));
623 /* enable nig attention */
628 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
629 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
633 static void bnx2x_int_disable(struct bnx2x *bp)
635 int port = BP_PORT(bp);
636 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
637 u32 val = REG_RD(bp, addr);
639 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
640 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
641 HC_CONFIG_0_REG_INT_LINE_EN_0 |
642 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
644 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
647 REG_WR(bp, addr, val);
648 if (REG_RD(bp, addr) != val)
649 BNX2X_ERR("BUG! proper val not read from IGU!\n");
652 static void bnx2x_int_disable_sync(struct bnx2x *bp)
654 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
657 /* disable interrupt handling */
658 atomic_inc(&bp->intr_sem);
659 /* prevent the HW from sending interrupts */
660 bnx2x_int_disable(bp);
662 /* make sure all ISRs are done */
664 for_each_queue(bp, i)
665 synchronize_irq(bp->msix_table[i].vector);
667 /* one more for the Slow Path IRQ */
668 synchronize_irq(bp->msix_table[i].vector);
670 synchronize_irq(bp->pdev->irq);
672 /* make sure sp_task is not running */
673 cancel_work_sync(&bp->sp_task);
679 * General service functions
682 static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 sb_id,
683 u8 storm, u16 index, u8 op, u8 update)
685 u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
686 COMMAND_REG_INT_ACK);
687 struct igu_ack_register igu_ack;
689 igu_ack.status_block_index = index;
690 igu_ack.sb_id_and_flags =
691 ((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) |
692 (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) |
693 (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) |
694 (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT));
696 DP(BNX2X_MSG_OFF, "write 0x%08x to HC addr 0x%x\n",
697 (*(u32 *)&igu_ack), hc_addr);
698 REG_WR(bp, hc_addr, (*(u32 *)&igu_ack));
701 static inline u16 bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp)
703 struct host_status_block *fpsb = fp->status_blk;
706 barrier(); /* status block is written to by the chip */
707 if (fp->fp_c_idx != fpsb->c_status_block.status_block_index) {
708 fp->fp_c_idx = fpsb->c_status_block.status_block_index;
711 if (fp->fp_u_idx != fpsb->u_status_block.status_block_index) {
712 fp->fp_u_idx = fpsb->u_status_block.status_block_index;
718 static u16 bnx2x_ack_int(struct bnx2x *bp)
720 u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 +
721 COMMAND_REG_SIMD_MASK);
722 u32 result = REG_RD(bp, hc_addr);
724 DP(BNX2X_MSG_OFF, "read 0x%08x from HC addr 0x%x\n",
732 * fast path service functions
735 /* free skb in the packet ring at pos idx
736 * return idx of last bd freed
738 static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp,
741 struct sw_tx_bd *tx_buf = &fp->tx_buf_ring[idx];
742 struct eth_tx_bd *tx_bd;
743 struct sk_buff *skb = tx_buf->skb;
744 u16 bd_idx = TX_BD(tx_buf->first_bd), new_cons;
747 DP(BNX2X_MSG_OFF, "pkt_idx %d buff @(%p)->skb %p\n",
751 DP(BNX2X_MSG_OFF, "free bd_idx %d\n", bd_idx);
752 tx_bd = &fp->tx_desc_ring[bd_idx];
753 pci_unmap_single(bp->pdev, BD_UNMAP_ADDR(tx_bd),
754 BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
756 nbd = le16_to_cpu(tx_bd->nbd) - 1;
757 new_cons = nbd + tx_buf->first_bd;
758 #ifdef BNX2X_STOP_ON_ERROR
759 if (nbd > (MAX_SKB_FRAGS + 2)) {
760 BNX2X_ERR("BAD nbd!\n");
765 /* Skip a parse bd and the TSO split header bd
766 since they have no mapping */
768 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
770 if (tx_bd->bd_flags.as_bitfield & (ETH_TX_BD_FLAGS_IP_CSUM |
771 ETH_TX_BD_FLAGS_TCP_CSUM |
772 ETH_TX_BD_FLAGS_SW_LSO)) {
774 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
775 tx_bd = &fp->tx_desc_ring[bd_idx];
776 /* is this a TSO split header bd? */
777 if (tx_bd->bd_flags.as_bitfield & ETH_TX_BD_FLAGS_SW_LSO) {
779 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
786 DP(BNX2X_MSG_OFF, "free frag bd_idx %d\n", bd_idx);
787 tx_bd = &fp->tx_desc_ring[bd_idx];
788 pci_unmap_page(bp->pdev, BD_UNMAP_ADDR(tx_bd),
789 BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
791 bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
797 tx_buf->first_bd = 0;
803 static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp)
809 barrier(); /* Tell compiler that prod and cons can change */
810 prod = fp->tx_bd_prod;
811 cons = fp->tx_bd_cons;
813 /* NUM_TX_RINGS = number of "next-page" entries
814 It will be used as a threshold */
815 used = SUB_S16(prod, cons) + (s16)NUM_TX_RINGS;
817 #ifdef BNX2X_STOP_ON_ERROR
819 WARN_ON(used > fp->bp->tx_ring_size);
820 WARN_ON((fp->bp->tx_ring_size - used) > MAX_TX_AVAIL);
823 return (s16)(fp->bp->tx_ring_size) - used;
826 static void bnx2x_tx_int(struct bnx2x_fastpath *fp, int work)
828 struct bnx2x *bp = fp->bp;
829 u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons;
832 #ifdef BNX2X_STOP_ON_ERROR
833 if (unlikely(bp->panic))
837 hw_cons = le16_to_cpu(*fp->tx_cons_sb);
838 sw_cons = fp->tx_pkt_cons;
840 while (sw_cons != hw_cons) {
843 pkt_cons = TX_BD(sw_cons);
845 /* prefetch(bp->tx_buf_ring[pkt_cons].skb); */
847 DP(NETIF_MSG_TX_DONE, "hw_cons %u sw_cons %u pkt_cons %u\n",
848 hw_cons, sw_cons, pkt_cons);
850 /* if (NEXT_TX_IDX(sw_cons) != hw_cons) {
852 prefetch(fp->tx_buf_ring[NEXT_TX_IDX(sw_cons)].skb);
855 bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons);
863 fp->tx_pkt_cons = sw_cons;
864 fp->tx_bd_cons = bd_cons;
866 /* Need to make the tx_cons update visible to start_xmit()
867 * before checking for netif_queue_stopped(). Without the
868 * memory barrier, there is a small possibility that start_xmit()
869 * will miss it and cause the queue to be stopped forever.
873 /* TBD need a thresh? */
874 if (unlikely(netif_queue_stopped(bp->dev))) {
876 netif_tx_lock(bp->dev);
878 if (netif_queue_stopped(bp->dev) &&
879 (bp->state == BNX2X_STATE_OPEN) &&
880 (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3))
881 netif_wake_queue(bp->dev);
883 netif_tx_unlock(bp->dev);
888 static void bnx2x_sp_event(struct bnx2x_fastpath *fp,
889 union eth_rx_cqe *rr_cqe)
891 struct bnx2x *bp = fp->bp;
892 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
893 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
896 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
897 FP_IDX(fp), cid, command, bp->state,
898 rr_cqe->ramrod_cqe.ramrod_type);
903 switch (command | fp->state) {
904 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP |
905 BNX2X_FP_STATE_OPENING):
906 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n",
908 fp->state = BNX2X_FP_STATE_OPEN;
911 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
912 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n",
914 fp->state = BNX2X_FP_STATE_HALTED;
918 BNX2X_ERR("unexpected MC reply (%d) "
919 "fp->state is %x\n", command, fp->state);
922 mb(); /* force bnx2x_wait_ramrod() to see the change */
926 switch (command | bp->state) {
927 case (RAMROD_CMD_ID_ETH_PORT_SETUP | BNX2X_STATE_OPENING_WAIT4_PORT):
928 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
929 bp->state = BNX2X_STATE_OPEN;
932 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_STATE_CLOSING_WAIT4_HALT):
933 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
934 bp->state = BNX2X_STATE_CLOSING_WAIT4_DELETE;
935 fp->state = BNX2X_FP_STATE_HALTED;
938 case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_CLOSING_WAIT4_HALT):
939 DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", cid);
940 bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED;
944 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN):
945 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DIAG):
946 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
947 bp->set_mac_pending = 0;
950 case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT):
951 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
955 BNX2X_ERR("unexpected MC reply (%d) bp->state is %x\n",
959 mb(); /* force bnx2x_wait_ramrod() to see the change */
962 static inline void bnx2x_free_rx_sge(struct bnx2x *bp,
963 struct bnx2x_fastpath *fp, u16 index)
965 struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
966 struct page *page = sw_buf->page;
967 struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
969 /* Skip "next page" elements */
973 pci_unmap_page(bp->pdev, pci_unmap_addr(sw_buf, mapping),
974 BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
975 __free_pages(page, PAGES_PER_SGE_SHIFT);
982 static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
983 struct bnx2x_fastpath *fp, int last)
987 for (i = 0; i < last; i++)
988 bnx2x_free_rx_sge(bp, fp, i);
991 static inline int bnx2x_alloc_rx_sge(struct bnx2x *bp,
992 struct bnx2x_fastpath *fp, u16 index)
994 struct page *page = alloc_pages(GFP_ATOMIC, PAGES_PER_SGE_SHIFT);
995 struct sw_rx_page *sw_buf = &fp->rx_page_ring[index];
996 struct eth_rx_sge *sge = &fp->rx_sge_ring[index];
999 if (unlikely(page == NULL))
1002 mapping = pci_map_page(bp->pdev, page, 0, BCM_PAGE_SIZE*PAGES_PER_SGE,
1003 PCI_DMA_FROMDEVICE);
1004 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
1005 __free_pages(page, PAGES_PER_SGE_SHIFT);
1009 sw_buf->page = page;
1010 pci_unmap_addr_set(sw_buf, mapping, mapping);
1012 sge->addr_hi = cpu_to_le32(U64_HI(mapping));
1013 sge->addr_lo = cpu_to_le32(U64_LO(mapping));
1018 static inline int bnx2x_alloc_rx_skb(struct bnx2x *bp,
1019 struct bnx2x_fastpath *fp, u16 index)
1021 struct sk_buff *skb;
1022 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index];
1023 struct eth_rx_bd *rx_bd = &fp->rx_desc_ring[index];
1026 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1027 if (unlikely(skb == NULL))
1030 mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
1031 PCI_DMA_FROMDEVICE);
1032 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
1038 pci_unmap_addr_set(rx_buf, mapping, mapping);
1040 rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1041 rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1046 /* note that we are not allocating a new skb,
1047 * we are just moving one from cons to prod
1048 * we are not creating a new mapping,
1049 * so there is no need to check for dma_mapping_error().
1051 static void bnx2x_reuse_rx_skb(struct bnx2x_fastpath *fp,
1052 struct sk_buff *skb, u16 cons, u16 prod)
1054 struct bnx2x *bp = fp->bp;
1055 struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1056 struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1057 struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons];
1058 struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1060 pci_dma_sync_single_for_device(bp->pdev,
1061 pci_unmap_addr(cons_rx_buf, mapping),
1062 bp->rx_offset + RX_COPY_THRESH,
1063 PCI_DMA_FROMDEVICE);
1065 prod_rx_buf->skb = cons_rx_buf->skb;
1066 pci_unmap_addr_set(prod_rx_buf, mapping,
1067 pci_unmap_addr(cons_rx_buf, mapping));
1068 *prod_bd = *cons_bd;
1071 static inline void bnx2x_update_last_max_sge(struct bnx2x_fastpath *fp,
1074 u16 last_max = fp->last_max_sge;
1076 if (SUB_S16(idx, last_max) > 0)
1077 fp->last_max_sge = idx;
1080 static void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp)
1084 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
1085 int idx = RX_SGE_CNT * i - 1;
1087 for (j = 0; j < 2; j++) {
1088 SGE_MASK_CLEAR_BIT(fp, idx);
1094 static void bnx2x_update_sge_prod(struct bnx2x_fastpath *fp,
1095 struct eth_fast_path_rx_cqe *fp_cqe)
1097 struct bnx2x *bp = fp->bp;
1098 u16 sge_len = BCM_PAGE_ALIGN(le16_to_cpu(fp_cqe->pkt_len) -
1099 le16_to_cpu(fp_cqe->len_on_bd)) >>
1101 u16 last_max, last_elem, first_elem;
1108 /* First mark all used pages */
1109 for (i = 0; i < sge_len; i++)
1110 SGE_MASK_CLEAR_BIT(fp, RX_SGE(le16_to_cpu(fp_cqe->sgl[i])));
1112 DP(NETIF_MSG_RX_STATUS, "fp_cqe->sgl[%d] = %d\n",
1113 sge_len - 1, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1115 /* Here we assume that the last SGE index is the biggest */
1116 prefetch((void *)(fp->sge_mask));
1117 bnx2x_update_last_max_sge(fp, le16_to_cpu(fp_cqe->sgl[sge_len - 1]));
1119 last_max = RX_SGE(fp->last_max_sge);
1120 last_elem = last_max >> RX_SGE_MASK_ELEM_SHIFT;
1121 first_elem = RX_SGE(fp->rx_sge_prod) >> RX_SGE_MASK_ELEM_SHIFT;
1123 /* If ring is not full */
1124 if (last_elem + 1 != first_elem)
1127 /* Now update the prod */
1128 for (i = first_elem; i != last_elem; i = NEXT_SGE_MASK_ELEM(i)) {
1129 if (likely(fp->sge_mask[i]))
1132 fp->sge_mask[i] = RX_SGE_MASK_ELEM_ONE_MASK;
1133 delta += RX_SGE_MASK_ELEM_SZ;
1137 fp->rx_sge_prod += delta;
1138 /* clear page-end entries */
1139 bnx2x_clear_sge_mask_next_elems(fp);
1142 DP(NETIF_MSG_RX_STATUS,
1143 "fp->last_max_sge = %d fp->rx_sge_prod = %d\n",
1144 fp->last_max_sge, fp->rx_sge_prod);
1147 static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp)
1149 /* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */
1150 memset(fp->sge_mask, 0xff,
1151 (NUM_RX_SGE >> RX_SGE_MASK_ELEM_SHIFT)*sizeof(u64));
1153 /* Clear the two last indices in the page to 1:
1154 these are the indices that correspond to the "next" element,
1155 hence will never be indicated and should be removed from
1156 the calculations. */
1157 bnx2x_clear_sge_mask_next_elems(fp);
1160 static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue,
1161 struct sk_buff *skb, u16 cons, u16 prod)
1163 struct bnx2x *bp = fp->bp;
1164 struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
1165 struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
1166 struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
1169 /* move empty skb from pool to prod and map it */
1170 prod_rx_buf->skb = fp->tpa_pool[queue].skb;
1171 mapping = pci_map_single(bp->pdev, fp->tpa_pool[queue].skb->data,
1172 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
1173 pci_unmap_addr_set(prod_rx_buf, mapping, mapping);
1175 /* move partial skb from cons to pool (don't unmap yet) */
1176 fp->tpa_pool[queue] = *cons_rx_buf;
1178 /* mark bin state as start - print error if current state != stop */
1179 if (fp->tpa_state[queue] != BNX2X_TPA_STOP)
1180 BNX2X_ERR("start of bin not in stop [%d]\n", queue);
1182 fp->tpa_state[queue] = BNX2X_TPA_START;
1184 /* point prod_bd to new skb */
1185 prod_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1186 prod_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1188 #ifdef BNX2X_STOP_ON_ERROR
1189 fp->tpa_queue_used |= (1 << queue);
1190 #ifdef __powerpc64__
1191 DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%lx\n",
1193 DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%llx\n",
1195 fp->tpa_queue_used);
1199 static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1200 struct sk_buff *skb,
1201 struct eth_fast_path_rx_cqe *fp_cqe,
1204 struct sw_rx_page *rx_pg, old_rx_pg;
1206 u16 len_on_bd = le16_to_cpu(fp_cqe->len_on_bd);
1207 u32 i, frag_len, frag_size, pages;
1211 frag_size = le16_to_cpu(fp_cqe->pkt_len) - len_on_bd;
1212 pages = BCM_PAGE_ALIGN(frag_size) >> BCM_PAGE_SHIFT;
1214 /* This is needed in order to enable forwarding support */
1216 skb_shinfo(skb)->gso_size = min((u32)BCM_PAGE_SIZE,
1217 max(frag_size, (u32)len_on_bd));
1219 #ifdef BNX2X_STOP_ON_ERROR
1220 if (pages > 8*PAGES_PER_SGE) {
1221 BNX2X_ERR("SGL length is too long: %d. CQE index is %d\n",
1223 BNX2X_ERR("fp_cqe->pkt_len = %d fp_cqe->len_on_bd = %d\n",
1224 fp_cqe->pkt_len, len_on_bd);
1230 /* Run through the SGL and compose the fragmented skb */
1231 for (i = 0, j = 0; i < pages; i += PAGES_PER_SGE, j++) {
1232 u16 sge_idx = RX_SGE(le16_to_cpu(fp_cqe->sgl[j]));
1234 /* FW gives the indices of the SGE as if the ring is an array
1235 (meaning that "next" element will consume 2 indices) */
1236 frag_len = min(frag_size, (u32)(BCM_PAGE_SIZE*PAGES_PER_SGE));
1237 rx_pg = &fp->rx_page_ring[sge_idx];
1241 /* If we fail to allocate a substitute page, we simply stop
1242 where we are and drop the whole packet */
1243 err = bnx2x_alloc_rx_sge(bp, fp, sge_idx);
1244 if (unlikely(err)) {
1245 bp->eth_stats.rx_skb_alloc_failed++;
1249 /* Unmap the page as we r going to pass it to the stack */
1250 pci_unmap_page(bp->pdev, pci_unmap_addr(&old_rx_pg, mapping),
1251 BCM_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
1253 /* Add one frag and update the appropriate fields in the skb */
1254 skb_fill_page_desc(skb, j, old_rx_pg.page, 0, frag_len);
1256 skb->data_len += frag_len;
1257 skb->truesize += frag_len;
1258 skb->len += frag_len;
1260 frag_size -= frag_len;
1266 static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
1267 u16 queue, int pad, int len, union eth_rx_cqe *cqe,
1270 struct sw_rx_bd *rx_buf = &fp->tpa_pool[queue];
1271 struct sk_buff *skb = rx_buf->skb;
1273 struct sk_buff *new_skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
1275 /* Unmap skb in the pool anyway, as we are going to change
1276 pool entry status to BNX2X_TPA_STOP even if new skb allocation
1278 pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
1279 bp->rx_buf_use_size, PCI_DMA_FROMDEVICE);
1281 if (likely(new_skb)) {
1282 /* fix ip xsum and give it to the stack */
1283 /* (no need to map the new skb) */
1286 prefetch(((char *)(skb)) + 128);
1288 #ifdef BNX2X_STOP_ON_ERROR
1289 if (pad + len > bp->rx_buf_size) {
1290 BNX2X_ERR("skb_put is about to fail... "
1291 "pad %d len %d rx_buf_size %d\n",
1292 pad, len, bp->rx_buf_size);
1298 skb_reserve(skb, pad);
1301 skb->protocol = eth_type_trans(skb, bp->dev);
1302 skb->ip_summed = CHECKSUM_UNNECESSARY;
1307 iph = (struct iphdr *)skb->data;
1309 iph->check = ip_fast_csum((u8 *)iph, iph->ihl);
1312 if (!bnx2x_fill_frag_skb(bp, fp, skb,
1313 &cqe->fast_path_cqe, cqe_idx)) {
1315 if ((bp->vlgrp != NULL) &&
1316 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1317 PARSING_FLAGS_VLAN))
1318 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1319 le16_to_cpu(cqe->fast_path_cqe.
1323 netif_receive_skb(skb);
1325 DP(NETIF_MSG_RX_STATUS, "Failed to allocate new pages"
1326 " - dropping packet!\n");
1330 bp->dev->last_rx = jiffies;
1332 /* put new skb in bin */
1333 fp->tpa_pool[queue].skb = new_skb;
1336 /* else drop the packet and keep the buffer in the bin */
1337 DP(NETIF_MSG_RX_STATUS,
1338 "Failed to allocate new skb - dropping packet!\n");
1339 bp->eth_stats.rx_skb_alloc_failed++;
1342 fp->tpa_state[queue] = BNX2X_TPA_STOP;
1345 static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
1346 struct bnx2x_fastpath *fp,
1347 u16 bd_prod, u16 rx_comp_prod,
1350 struct tstorm_eth_rx_producers rx_prods = {0};
1353 /* Update producers */
1354 rx_prods.bd_prod = bd_prod;
1355 rx_prods.cqe_prod = rx_comp_prod;
1356 rx_prods.sge_prod = rx_sge_prod;
1358 for (i = 0; i < sizeof(struct tstorm_eth_rx_producers)/4; i++)
1359 REG_WR(bp, BAR_TSTRORM_INTMEM +
1360 TSTORM_RX_PRODS_OFFSET(BP_PORT(bp), FP_CL_ID(fp)) + i*4,
1361 ((u32 *)&rx_prods)[i]);
1363 DP(NETIF_MSG_RX_STATUS,
1364 "Wrote: bd_prod %u cqe_prod %u sge_prod %u\n",
1365 bd_prod, rx_comp_prod, rx_sge_prod);
1368 static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
1370 struct bnx2x *bp = fp->bp;
1371 u16 bd_cons, bd_prod, bd_prod_fw, comp_ring_cons;
1372 u16 hw_comp_cons, sw_comp_cons, sw_comp_prod;
1375 #ifdef BNX2X_STOP_ON_ERROR
1376 if (unlikely(bp->panic))
1380 /* CQ "next element" is of the size of the regular element,
1381 that's why it's ok here */
1382 hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb);
1383 if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT)
1386 bd_cons = fp->rx_bd_cons;
1387 bd_prod = fp->rx_bd_prod;
1388 bd_prod_fw = bd_prod;
1389 sw_comp_cons = fp->rx_comp_cons;
1390 sw_comp_prod = fp->rx_comp_prod;
1392 /* Memory barrier necessary as speculative reads of the rx
1393 * buffer can be ahead of the index in the status block
1397 DP(NETIF_MSG_RX_STATUS,
1398 "queue[%d]: hw_comp_cons %u sw_comp_cons %u\n",
1399 FP_IDX(fp), hw_comp_cons, sw_comp_cons);
1401 while (sw_comp_cons != hw_comp_cons) {
1402 struct sw_rx_bd *rx_buf = NULL;
1403 struct sk_buff *skb;
1404 union eth_rx_cqe *cqe;
1408 comp_ring_cons = RCQ_BD(sw_comp_cons);
1409 bd_prod = RX_BD(bd_prod);
1410 bd_cons = RX_BD(bd_cons);
1412 cqe = &fp->rx_comp_ring[comp_ring_cons];
1413 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
1415 DP(NETIF_MSG_RX_STATUS, "CQE type %x err %x status %x"
1416 " queue %x vlan %x len %u\n", CQE_TYPE(cqe_fp_flags),
1417 cqe_fp_flags, cqe->fast_path_cqe.status_flags,
1418 cqe->fast_path_cqe.rss_hash_result,
1419 le16_to_cpu(cqe->fast_path_cqe.vlan_tag),
1420 le16_to_cpu(cqe->fast_path_cqe.pkt_len));
1422 /* is this a slowpath msg? */
1423 if (unlikely(CQE_TYPE(cqe_fp_flags))) {
1424 bnx2x_sp_event(fp, cqe);
1427 /* this is an rx packet */
1429 rx_buf = &fp->rx_buf_ring[bd_cons];
1431 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
1432 pad = cqe->fast_path_cqe.placement_offset;
1434 /* If CQE is marked both TPA_START and TPA_END
1435 it is a non-TPA CQE */
1436 if ((!fp->disable_tpa) &&
1437 (TPA_TYPE(cqe_fp_flags) !=
1438 (TPA_TYPE_START | TPA_TYPE_END))) {
1439 u16 queue = cqe->fast_path_cqe.queue_index;
1441 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_START) {
1442 DP(NETIF_MSG_RX_STATUS,
1443 "calling tpa_start on queue %d\n",
1446 bnx2x_tpa_start(fp, queue, skb,
1451 if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_END) {
1452 DP(NETIF_MSG_RX_STATUS,
1453 "calling tpa_stop on queue %d\n",
1456 if (!BNX2X_RX_SUM_FIX(cqe))
1457 BNX2X_ERR("STOP on none TCP "
1460 /* This is a size of the linear data
1462 len = le16_to_cpu(cqe->fast_path_cqe.
1464 bnx2x_tpa_stop(bp, fp, queue, pad,
1465 len, cqe, comp_ring_cons);
1466 #ifdef BNX2X_STOP_ON_ERROR
1471 bnx2x_update_sge_prod(fp,
1472 &cqe->fast_path_cqe);
1477 pci_dma_sync_single_for_device(bp->pdev,
1478 pci_unmap_addr(rx_buf, mapping),
1479 pad + RX_COPY_THRESH,
1480 PCI_DMA_FROMDEVICE);
1482 prefetch(((char *)(skb)) + 128);
1484 /* is this an error packet? */
1485 if (unlikely(cqe_fp_flags & ETH_RX_ERROR_FALGS)) {
1486 DP(NETIF_MSG_RX_ERR,
1487 "ERROR flags %x rx packet %u\n",
1488 cqe_fp_flags, sw_comp_cons);
1489 bp->eth_stats.rx_err_discard_pkt++;
1493 /* Since we don't have a jumbo ring
1494 * copy small packets if mtu > 1500
1496 if ((bp->dev->mtu > ETH_MAX_PACKET_SIZE) &&
1497 (len <= RX_COPY_THRESH)) {
1498 struct sk_buff *new_skb;
1500 new_skb = netdev_alloc_skb(bp->dev,
1502 if (new_skb == NULL) {
1503 DP(NETIF_MSG_RX_ERR,
1504 "ERROR packet dropped "
1505 "because of alloc failure\n");
1506 bp->eth_stats.rx_skb_alloc_failed++;
1511 skb_copy_from_linear_data_offset(skb, pad,
1512 new_skb->data + pad, len);
1513 skb_reserve(new_skb, pad);
1514 skb_put(new_skb, len);
1516 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1520 } else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) {
1521 pci_unmap_single(bp->pdev,
1522 pci_unmap_addr(rx_buf, mapping),
1523 bp->rx_buf_use_size,
1524 PCI_DMA_FROMDEVICE);
1525 skb_reserve(skb, pad);
1529 DP(NETIF_MSG_RX_ERR,
1530 "ERROR packet dropped because "
1531 "of alloc failure\n");
1532 bp->eth_stats.rx_skb_alloc_failed++;
1534 bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
1538 skb->protocol = eth_type_trans(skb, bp->dev);
1540 skb->ip_summed = CHECKSUM_NONE;
1542 if (likely(BNX2X_RX_CSUM_OK(cqe)))
1543 skb->ip_summed = CHECKSUM_UNNECESSARY;
1545 bp->eth_stats.hw_csum_err++;
1550 if ((bp->vlgrp != NULL) &&
1551 (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) &
1552 PARSING_FLAGS_VLAN))
1553 vlan_hwaccel_receive_skb(skb, bp->vlgrp,
1554 le16_to_cpu(cqe->fast_path_cqe.vlan_tag));
1557 netif_receive_skb(skb);
1559 bp->dev->last_rx = jiffies;
1564 bd_cons = NEXT_RX_IDX(bd_cons);
1565 bd_prod = NEXT_RX_IDX(bd_prod);
1566 bd_prod_fw = NEXT_RX_IDX(bd_prod_fw);
1569 sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod);
1570 sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons);
1572 if (rx_pkt == budget)
1576 fp->rx_bd_cons = bd_cons;
1577 fp->rx_bd_prod = bd_prod_fw;
1578 fp->rx_comp_cons = sw_comp_cons;
1579 fp->rx_comp_prod = sw_comp_prod;
1581 /* Update producers */
1582 bnx2x_update_rx_prod(bp, fp, bd_prod_fw, sw_comp_prod,
1584 mmiowb(); /* keep prod updates ordered */
1586 fp->rx_pkt += rx_pkt;
1592 static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie)
1594 struct bnx2x_fastpath *fp = fp_cookie;
1595 struct bnx2x *bp = fp->bp;
1596 struct net_device *dev = bp->dev;
1597 int index = FP_IDX(fp);
1599 /* Return here if interrupt is disabled */
1600 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1601 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1605 DP(BNX2X_MSG_FP, "got an MSI-X interrupt on IDX:SB [%d:%d]\n",
1606 index, FP_SB_ID(fp));
1607 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID, 0, IGU_INT_DISABLE, 0);
1609 #ifdef BNX2X_STOP_ON_ERROR
1610 if (unlikely(bp->panic))
1614 prefetch(fp->rx_cons_sb);
1615 prefetch(fp->tx_cons_sb);
1616 prefetch(&fp->status_blk->c_status_block.status_block_index);
1617 prefetch(&fp->status_blk->u_status_block.status_block_index);
1619 netif_rx_schedule(dev, &bnx2x_fp(bp, index, napi));
1624 static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
1626 struct net_device *dev = dev_instance;
1627 struct bnx2x *bp = netdev_priv(dev);
1628 u16 status = bnx2x_ack_int(bp);
1631 /* Return here if interrupt is shared and it's not for us */
1632 if (unlikely(status == 0)) {
1633 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1636 DP(NETIF_MSG_INTR, "got an interrupt status %u\n", status);
1638 /* Return here if interrupt is disabled */
1639 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1640 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1644 #ifdef BNX2X_STOP_ON_ERROR
1645 if (unlikely(bp->panic))
1649 mask = 0x2 << bp->fp[0].sb_id;
1650 if (status & mask) {
1651 struct bnx2x_fastpath *fp = &bp->fp[0];
1653 prefetch(fp->rx_cons_sb);
1654 prefetch(fp->tx_cons_sb);
1655 prefetch(&fp->status_blk->c_status_block.status_block_index);
1656 prefetch(&fp->status_blk->u_status_block.status_block_index);
1658 netif_rx_schedule(dev, &bnx2x_fp(bp, 0, napi));
1664 if (unlikely(status & 0x1)) {
1665 schedule_work(&bp->sp_task);
1673 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status %u)\n",
1679 /* end of fast path */
1681 static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
1686 * General service functions
1689 static int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
1692 u32 resource_bit = (1 << resource);
1693 int func = BP_FUNC(bp);
1694 u32 hw_lock_control_reg;
1697 /* Validating that the resource is within range */
1698 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1700 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1701 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1706 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1708 hw_lock_control_reg =
1709 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1712 /* Validating that the resource is not already taken */
1713 lock_status = REG_RD(bp, hw_lock_control_reg);
1714 if (lock_status & resource_bit) {
1715 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1716 lock_status, resource_bit);
1720 /* Try for 1 second every 5ms */
1721 for (cnt = 0; cnt < 200; cnt++) {
1722 /* Try to acquire the lock */
1723 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1724 lock_status = REG_RD(bp, hw_lock_control_reg);
1725 if (lock_status & resource_bit)
1730 DP(NETIF_MSG_HW, "Timeout\n");
1734 static int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
1737 u32 resource_bit = (1 << resource);
1738 int func = BP_FUNC(bp);
1739 u32 hw_lock_control_reg;
1741 /* Validating that the resource is within range */
1742 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1744 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1745 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1750 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1752 hw_lock_control_reg =
1753 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1756 /* Validating that the resource is currently taken */
1757 lock_status = REG_RD(bp, hw_lock_control_reg);
1758 if (!(lock_status & resource_bit)) {
1759 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1760 lock_status, resource_bit);
1764 REG_WR(bp, hw_lock_control_reg, resource_bit);
1768 /* HW Lock for shared dual port PHYs */
1769 static void bnx2x_acquire_phy_lock(struct bnx2x *bp)
1771 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1773 mutex_lock(&bp->port.phy_mutex);
1775 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1776 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
1777 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
1780 static void bnx2x_release_phy_lock(struct bnx2x *bp)
1782 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
1784 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
1785 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
1786 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
1788 mutex_unlock(&bp->port.phy_mutex);
1791 int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1793 /* The GPIO should be swapped if swap register is set and active */
1794 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1795 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1796 int gpio_shift = gpio_num +
1797 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1798 u32 gpio_mask = (1 << gpio_shift);
1801 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1802 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1806 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1807 /* read GPIO and mask except the float bits */
1808 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1811 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1812 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1813 gpio_num, gpio_shift);
1814 /* clear FLOAT and set CLR */
1815 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1816 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1819 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1820 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1821 gpio_num, gpio_shift);
1822 /* clear FLOAT and set SET */
1823 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1824 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1827 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
1828 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1829 gpio_num, gpio_shift);
1831 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1838 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
1839 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1844 static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1846 u32 spio_mask = (1 << spio_num);
1849 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1850 (spio_num > MISC_REGISTERS_SPIO_7)) {
1851 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1855 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
1856 /* read SPIO and mask except the float bits */
1857 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1860 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
1861 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1862 /* clear FLOAT and set CLR */
1863 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1864 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1867 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
1868 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1869 /* clear FLOAT and set SET */
1870 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1871 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1874 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1875 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1877 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1884 REG_WR(bp, MISC_REG_SPIO, spio_reg);
1885 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
1890 static void bnx2x_calc_fc_adv(struct bnx2x *bp)
1892 switch (bp->link_vars.ieee_fc) {
1893 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
1894 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
1897 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
1898 bp->port.advertising |= (ADVERTISED_Asym_Pause |
1901 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
1902 bp->port.advertising |= ADVERTISED_Asym_Pause;
1905 bp->port.advertising &= ~(ADVERTISED_Asym_Pause |
1911 static void bnx2x_link_report(struct bnx2x *bp)
1913 if (bp->link_vars.link_up) {
1914 if (bp->state == BNX2X_STATE_OPEN)
1915 netif_carrier_on(bp->dev);
1916 printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
1918 printk("%d Mbps ", bp->link_vars.line_speed);
1920 if (bp->link_vars.duplex == DUPLEX_FULL)
1921 printk("full duplex");
1923 printk("half duplex");
1925 if (bp->link_vars.flow_ctrl != FLOW_CTRL_NONE) {
1926 if (bp->link_vars.flow_ctrl & FLOW_CTRL_RX) {
1927 printk(", receive ");
1928 if (bp->link_vars.flow_ctrl & FLOW_CTRL_TX)
1929 printk("& transmit ");
1931 printk(", transmit ");
1933 printk("flow control ON");
1937 } else { /* link_down */
1938 netif_carrier_off(bp->dev);
1939 printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name);
1943 static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
1945 if (!BP_NOMCP(bp)) {
1948 /* Initialize link parameters structure variables */
1949 /* It is recommended to turn off RX FC for jumbo frames
1950 for better performance */
1952 bp->link_params.req_fc_auto_adv = FLOW_CTRL_BOTH;
1953 else if (bp->dev->mtu > 5000)
1954 bp->link_params.req_fc_auto_adv = FLOW_CTRL_TX;
1956 bp->link_params.req_fc_auto_adv = FLOW_CTRL_BOTH;
1958 bnx2x_acquire_phy_lock(bp);
1959 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1960 bnx2x_release_phy_lock(bp);
1962 if (bp->link_vars.link_up)
1963 bnx2x_link_report(bp);
1965 bnx2x_calc_fc_adv(bp);
1969 BNX2X_ERR("Bootcode is missing -not initializing link\n");
1973 static void bnx2x_link_set(struct bnx2x *bp)
1975 if (!BP_NOMCP(bp)) {
1976 bnx2x_acquire_phy_lock(bp);
1977 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1978 bnx2x_release_phy_lock(bp);
1980 bnx2x_calc_fc_adv(bp);
1982 BNX2X_ERR("Bootcode is missing -not setting link\n");
1985 static void bnx2x__link_reset(struct bnx2x *bp)
1987 if (!BP_NOMCP(bp)) {
1988 bnx2x_acquire_phy_lock(bp);
1989 bnx2x_link_reset(&bp->link_params, &bp->link_vars);
1990 bnx2x_release_phy_lock(bp);
1992 BNX2X_ERR("Bootcode is missing -not resetting link\n");
1995 static u8 bnx2x_link_test(struct bnx2x *bp)
1999 bnx2x_acquire_phy_lock(bp);
2000 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars);
2001 bnx2x_release_phy_lock(bp);
2006 /* Calculates the sum of vn_min_rates.
2007 It's needed for further normalizing of the min_rates.
2012 0 - if all the min_rates are 0.
2013 In the later case fairness algorithm should be deactivated.
2014 If not all min_rates are zero then those that are zeroes will
2017 static u32 bnx2x_calc_vn_wsum(struct bnx2x *bp)
2019 int i, port = BP_PORT(bp);
2023 for (i = 0; i < E1HVN_MAX; i++) {
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 */
2031 vn_min_rate = DEF_MIN_RATE;
2035 wsum += vn_min_rate;
2039 /* ... only if all min rates are zeros - disable FAIRNESS */
2046 static void bnx2x_init_port_minmax(struct bnx2x *bp,
2049 struct cmng_struct_per_port *m_cmng_port)
2051 u32 r_param = port_rate / 8;
2052 int port = BP_PORT(bp);
2055 memset(m_cmng_port, 0, sizeof(struct cmng_struct_per_port));
2057 /* Enable minmax only if we are in e1hmf mode */
2059 u32 fair_periodic_timeout_usec;
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;
2068 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2069 " fairness will be disabled\n");
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;
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;
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;
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;
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;
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;
2106 "Single function mode minmax will be disabled\n");
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]);
2116 static 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)
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;
2126 /* If function is hidden - set min and max to zeroes */
2127 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
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 requirement 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;
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);
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));
2149 /* global vn counter - maximal Mbps for this vn */
2150 m_rs_vn.vn_counter.rate = vn_max_rate;
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;
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 *
2167 protocol_counters[protocol].rate/8));
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);
2183 #ifdef BNX2X_PER_PROT_QOS
2185 u32 protocolWeightSum = 0;
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) {
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);
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]);
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]);
2217 /* This function is called upon link interrupt */
2218 static void bnx2x_link_attn(struct bnx2x *bp)
2222 /* Make sure that we are synced with the current statistics */
2223 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2225 bnx2x_acquire_phy_lock(bp);
2226 bnx2x_link_update(&bp->link_params, &bp->link_vars);
2227 bnx2x_release_phy_lock(bp);
2229 if (bp->link_vars.link_up) {
2231 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2232 struct host_port_stats *pstats;
2234 pstats = bnx2x_sp(bp, port_stats);
2235 /* reset old bmac stats */
2236 memset(&(pstats->mac_stx[0]), 0,
2237 sizeof(struct mac_stx));
2239 if ((bp->state == BNX2X_STATE_OPEN) ||
2240 (bp->state == BNX2X_STATE_DISABLED))
2241 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2244 /* indicate link status */
2245 bnx2x_link_report(bp);
2250 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2251 if (vn == BP_E1HVN(bp))
2254 func = ((vn << 1) | BP_PORT(bp));
2256 /* Set the attention towards other drivers
2258 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2259 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2263 if (CHIP_IS_E1H(bp) && (bp->link_vars.line_speed > 0)) {
2264 struct cmng_struct_per_port m_cmng_port;
2266 int port = BP_PORT(bp);
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,
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,
2281 static void bnx2x__link_status_update(struct bnx2x *bp)
2283 if (bp->state != BNX2X_STATE_OPEN)
2286 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2288 if (bp->link_vars.link_up)
2289 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2291 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2293 /* indicate link status */
2294 bnx2x_link_report(bp);
2297 static void bnx2x_pmf_update(struct bnx2x *bp)
2299 int port = BP_PORT(bp);
2303 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
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);
2310 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
2318 * General service functions
2321 /* the slow path queue is odd since completions arrive on the fastpath ring */
2322 static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
2323 u32 data_hi, u32 data_lo, int common)
2325 int func = BP_FUNC(bp);
2327 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
2328 "SPQE (%x:%x) command %d hw_cid %x data (%x:%x) left %x\n",
2329 (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);
2333 #ifdef BNX2X_STOP_ON_ERROR
2334 if (unlikely(bp->panic))
2338 spin_lock_bh(&bp->spq_lock);
2340 if (!bp->spq_left) {
2341 BNX2X_ERR("BUG! SPQ ring full!\n");
2342 spin_unlock_bh(&bp->spq_lock);
2347 /* 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) |
2351 bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE);
2353 bp->spq_prod_bd->hdr.type |=
2354 cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT));
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);
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");
2371 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
2374 spin_unlock_bh(&bp->spq_lock);
2378 /* acquire split MCP access lock register */
2379 static int bnx2x_acquire_alr(struct bnx2x *bp)
2386 for (j = 0; j < i*10; j++) {
2388 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2389 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2390 if (val & (1L << 31))
2395 if (!(val & (1L << 31))) {
2396 BNX2X_ERR("Cannot acquire MCP access lock register\n");
2403 /* release split MCP access lock register */
2404 static void bnx2x_release_alr(struct bnx2x *bp)
2408 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2411 static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2413 struct host_def_status_block *def_sb = bp->def_status_blk;
2416 barrier(); /* status block is written to by the chip */
2417 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;
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;
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;
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;
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;
2441 * slow path service functions
2444 static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2446 int port = BP_PORT(bp);
2447 u32 hc_addr = (HC_REG_COMMAND_REG + port*32 +
2448 COMMAND_REG_ATTN_BITS_SET);
2449 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2450 MISC_REG_AEU_MASK_ATTN_FUNC_0;
2451 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2452 NIG_REG_MASK_INTERRUPT_PORT0;
2455 if (bp->attn_state & asserted)
2456 BNX2X_ERR("IGU ERROR\n");
2458 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2459 aeu_mask = REG_RD(bp, aeu_addr);
2461 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
2462 aeu_mask, asserted);
2463 aeu_mask &= ~(asserted & 0xff);
2464 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
2466 REG_WR(bp, aeu_addr, aeu_mask);
2467 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2469 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2470 bp->attn_state |= asserted;
2471 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2473 if (asserted & ATTN_HARD_WIRED_MASK) {
2474 if (asserted & ATTN_NIG_FOR_FUNC) {
2476 /* save nig interrupt mask */
2477 bp->nig_mask = REG_RD(bp, nig_int_mask_addr);
2478 REG_WR(bp, nig_int_mask_addr, 0);
2480 bnx2x_link_attn(bp);
2482 /* handle unicore attn? */
2484 if (asserted & ATTN_SW_TIMER_4_FUNC)
2485 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2487 if (asserted & GPIO_2_FUNC)
2488 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2490 if (asserted & GPIO_3_FUNC)
2491 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2493 if (asserted & GPIO_4_FUNC)
2494 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2497 if (asserted & ATTN_GENERAL_ATTN_1) {
2498 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2499 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2501 if (asserted & ATTN_GENERAL_ATTN_2) {
2502 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2503 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2505 if (asserted & ATTN_GENERAL_ATTN_3) {
2506 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2507 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2510 if (asserted & ATTN_GENERAL_ATTN_4) {
2511 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2512 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2514 if (asserted & ATTN_GENERAL_ATTN_5) {
2515 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2516 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2518 if (asserted & ATTN_GENERAL_ATTN_6) {
2519 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2520 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2524 } /* if hardwired */
2526 DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2528 REG_WR(bp, hc_addr, asserted);
2530 /* now set back the mask */
2531 if (asserted & ATTN_NIG_FOR_FUNC)
2532 REG_WR(bp, nig_int_mask_addr, bp->nig_mask);
2535 static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2537 int port = BP_PORT(bp);
2541 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2542 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
2544 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
2546 val = REG_RD(bp, reg_offset);
2547 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2548 REG_WR(bp, reg_offset, val);
2550 BNX2X_ERR("SPIO5 hw attention\n");
2552 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
2553 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
2554 /* Fan failure attention */
2556 /* The PHY reset is controlled by GPIO 1 */
2557 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
2558 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
2559 /* Low power mode is controlled by GPIO 2 */
2560 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
2561 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
2562 /* mark the failure */
2563 bp->link_params.ext_phy_config &=
2564 ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
2565 bp->link_params.ext_phy_config |=
2566 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
2568 dev_info.port_hw_config[port].
2569 external_phy_config,
2570 bp->link_params.ext_phy_config);
2571 /* log the failure */
2572 printk(KERN_ERR PFX "Fan Failure on Network"
2573 " Controller %s has caused the driver to"
2574 " shutdown the card to prevent permanent"
2575 " damage. Please contact Dell Support for"
2576 " assistance\n", bp->dev->name);
2584 if (attn & HW_INTERRUT_ASSERT_SET_0) {
2586 val = REG_RD(bp, reg_offset);
2587 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
2588 REG_WR(bp, reg_offset, val);
2590 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
2591 (attn & HW_INTERRUT_ASSERT_SET_0));
2596 static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
2600 if (attn & BNX2X_DOORQ_ASSERT) {
2602 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
2603 BNX2X_ERR("DB hw attention 0x%x\n", val);
2604 /* DORQ discard attention */
2606 BNX2X_ERR("FATAL error from DORQ\n");
2609 if (attn & HW_INTERRUT_ASSERT_SET_1) {
2611 int port = BP_PORT(bp);
2614 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
2615 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
2617 val = REG_RD(bp, reg_offset);
2618 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
2619 REG_WR(bp, reg_offset, val);
2621 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
2622 (attn & HW_INTERRUT_ASSERT_SET_1));
2627 static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
2631 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
2633 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
2634 BNX2X_ERR("CFC hw attention 0x%x\n", val);
2635 /* CFC error attention */
2637 BNX2X_ERR("FATAL error from CFC\n");
2640 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
2642 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
2643 BNX2X_ERR("PXP hw attention 0x%x\n", val);
2644 /* RQ_USDMDP_FIFO_OVERFLOW */
2646 BNX2X_ERR("FATAL error from PXP\n");
2649 if (attn & HW_INTERRUT_ASSERT_SET_2) {
2651 int port = BP_PORT(bp);
2654 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
2655 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
2657 val = REG_RD(bp, reg_offset);
2658 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
2659 REG_WR(bp, reg_offset, val);
2661 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
2662 (attn & HW_INTERRUT_ASSERT_SET_2));
2667 static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
2671 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
2673 if (attn & BNX2X_PMF_LINK_ASSERT) {
2674 int func = BP_FUNC(bp);
2676 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
2677 bnx2x__link_status_update(bp);
2678 if (SHMEM_RD(bp, func_mb[func].drv_status) &
2680 bnx2x_pmf_update(bp);
2682 } else if (attn & BNX2X_MC_ASSERT_BITS) {
2684 BNX2X_ERR("MC assert!\n");
2685 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
2686 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
2687 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
2688 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
2691 } else if (attn & BNX2X_MCP_ASSERT) {
2693 BNX2X_ERR("MCP assert!\n");
2694 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
2698 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
2701 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
2702 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
2703 if (attn & BNX2X_GRC_TIMEOUT) {
2704 val = CHIP_IS_E1H(bp) ?
2705 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN) : 0;
2706 BNX2X_ERR("GRC time-out 0x%08x\n", val);
2708 if (attn & BNX2X_GRC_RSV) {
2709 val = CHIP_IS_E1H(bp) ?
2710 REG_RD(bp, MISC_REG_GRC_RSV_ATTN) : 0;
2711 BNX2X_ERR("GRC reserved 0x%08x\n", val);
2713 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
2717 static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
2719 struct attn_route attn;
2720 struct attn_route group_mask;
2721 int port = BP_PORT(bp);
2727 /* need to take HW lock because MCP or other port might also
2728 try to handle this event */
2729 bnx2x_acquire_alr(bp);
2731 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
2732 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
2733 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
2734 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
2735 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x\n",
2736 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3]);
2738 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
2739 if (deasserted & (1 << index)) {
2740 group_mask = bp->attn_group[index];
2742 DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x\n",
2743 index, group_mask.sig[0], group_mask.sig[1],
2744 group_mask.sig[2], group_mask.sig[3]);
2746 bnx2x_attn_int_deasserted3(bp,
2747 attn.sig[3] & group_mask.sig[3]);
2748 bnx2x_attn_int_deasserted1(bp,
2749 attn.sig[1] & group_mask.sig[1]);
2750 bnx2x_attn_int_deasserted2(bp,
2751 attn.sig[2] & group_mask.sig[2]);
2752 bnx2x_attn_int_deasserted0(bp,
2753 attn.sig[0] & group_mask.sig[0]);
2755 if ((attn.sig[0] & group_mask.sig[0] &
2756 HW_PRTY_ASSERT_SET_0) ||
2757 (attn.sig[1] & group_mask.sig[1] &
2758 HW_PRTY_ASSERT_SET_1) ||
2759 (attn.sig[2] & group_mask.sig[2] &
2760 HW_PRTY_ASSERT_SET_2))
2761 BNX2X_ERR("FATAL HW block parity attention\n");
2765 bnx2x_release_alr(bp);
2767 reg_addr = (HC_REG_COMMAND_REG + port*32 + COMMAND_REG_ATTN_BITS_CLR);
2770 DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n",
2772 REG_WR(bp, reg_addr, val);
2774 if (~bp->attn_state & deasserted)
2775 BNX2X_ERR("IGU ERROR\n");
2777 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2778 MISC_REG_AEU_MASK_ATTN_FUNC_0;
2780 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2781 aeu_mask = REG_RD(bp, reg_addr);
2783 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
2784 aeu_mask, deasserted);
2785 aeu_mask |= (deasserted & 0xff);
2786 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
2788 REG_WR(bp, reg_addr, aeu_mask);
2789 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2791 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2792 bp->attn_state &= ~deasserted;
2793 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2796 static void bnx2x_attn_int(struct bnx2x *bp)
2798 /* read local copy of bits */
2799 u32 attn_bits = bp->def_status_blk->atten_status_block.attn_bits;
2800 u32 attn_ack = bp->def_status_blk->atten_status_block.attn_bits_ack;
2801 u32 attn_state = bp->attn_state;
2803 /* look for changed bits */
2804 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
2805 u32 deasserted = ~attn_bits & attn_ack & attn_state;
2808 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
2809 attn_bits, attn_ack, asserted, deasserted);
2811 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
2812 BNX2X_ERR("BAD attention state\n");
2814 /* handle bits that were raised */
2816 bnx2x_attn_int_asserted(bp, asserted);
2819 bnx2x_attn_int_deasserted(bp, deasserted);
2822 static void bnx2x_sp_task(struct work_struct *work)
2824 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task);
2828 /* Return here if interrupt is disabled */
2829 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
2830 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
2834 status = bnx2x_update_dsb_idx(bp);
2835 /* if (status == 0) */
2836 /* BNX2X_ERR("spurious slowpath interrupt!\n"); */
2838 DP(NETIF_MSG_INTR, "got a slowpath interrupt (updated %x)\n", status);
2844 /* CStorm events: query_stats, port delete ramrod */
2846 bp->stats_pending = 0;
2848 bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, bp->def_att_idx,
2850 bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx),
2852 bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx),
2854 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx),
2856 bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx),
2861 static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
2863 struct net_device *dev = dev_instance;
2864 struct bnx2x *bp = netdev_priv(dev);
2866 /* Return here if interrupt is disabled */
2867 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
2868 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
2872 bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, 0, IGU_INT_DISABLE, 0);
2874 #ifdef BNX2X_STOP_ON_ERROR
2875 if (unlikely(bp->panic))
2879 schedule_work(&bp->sp_task);
2884 /* end of slow path */
2888 /****************************************************************************
2890 ****************************************************************************/
2892 /* sum[hi:lo] += add[hi:lo] */
2893 #define ADD_64(s_hi, a_hi, s_lo, a_lo) \
2896 s_hi += a_hi + (s_lo < a_lo) ? 1 : 0; \
2899 /* difference = minuend - subtrahend */
2900 #define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
2902 if (m_lo < s_lo) { \
2904 d_hi = m_hi - s_hi; \
2906 /* we can 'loan' 1 */ \
2908 d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
2910 /* m_hi <= s_hi */ \
2915 /* m_lo >= s_lo */ \
2916 if (m_hi < s_hi) { \
2920 /* m_hi >= s_hi */ \
2921 d_hi = m_hi - s_hi; \
2922 d_lo = m_lo - s_lo; \
2927 #define UPDATE_STAT64(s, t) \
2929 DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \
2930 diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \
2931 pstats->mac_stx[0].t##_hi = new->s##_hi; \
2932 pstats->mac_stx[0].t##_lo = new->s##_lo; \
2933 ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \
2934 pstats->mac_stx[1].t##_lo, diff.lo); \
2937 #define UPDATE_STAT64_NIG(s, t) \
2939 DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \
2940 diff.lo, new->s##_lo, old->s##_lo); \
2941 ADD_64(estats->t##_hi, diff.hi, \
2942 estats->t##_lo, diff.lo); \
2945 /* sum[hi:lo] += add */
2946 #define ADD_EXTEND_64(s_hi, s_lo, a) \
2949 s_hi += (s_lo < a) ? 1 : 0; \
2952 #define UPDATE_EXTEND_STAT(s) \
2954 ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \
2955 pstats->mac_stx[1].s##_lo, \
2959 #define UPDATE_EXTEND_TSTAT(s, t) \
2961 diff = le32_to_cpu(tclient->s) - old_tclient->s; \
2962 old_tclient->s = le32_to_cpu(tclient->s); \
2963 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
2966 #define UPDATE_EXTEND_XSTAT(s, t) \
2968 diff = le32_to_cpu(xclient->s) - old_xclient->s; \
2969 old_xclient->s = le32_to_cpu(xclient->s); \
2970 ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \
2974 * General service functions
2977 static inline long bnx2x_hilo(u32 *hiref)
2979 u32 lo = *(hiref + 1);
2980 #if (BITS_PER_LONG == 64)
2983 return HILO_U64(hi, lo);
2990 * Init service functions
2993 static void bnx2x_storm_stats_post(struct bnx2x *bp)
2995 if (!bp->stats_pending) {
2996 struct eth_query_ramrod_data ramrod_data = {0};
2999 ramrod_data.drv_counter = bp->stats_counter++;
3000 ramrod_data.collect_port_1b = bp->port.pmf ? 1 : 0;
3001 ramrod_data.ctr_id_vector = (1 << BP_CL_ID(bp));
3003 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0,
3004 ((u32 *)&ramrod_data)[1],
3005 ((u32 *)&ramrod_data)[0], 0);
3007 /* stats ramrod has it's own slot on the spq */
3009 bp->stats_pending = 1;
3014 static void bnx2x_stats_init(struct bnx2x *bp)
3016 int port = BP_PORT(bp);
3018 bp->executer_idx = 0;
3019 bp->stats_counter = 0;
3023 bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
3025 bp->port.port_stx = 0;
3026 DP(BNX2X_MSG_STATS, "port_stx 0x%x\n", bp->port.port_stx);
3028 memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
3029 bp->port.old_nig_stats.brb_discard =
3030 REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
3031 bp->port.old_nig_stats.brb_truncate =
3032 REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
3033 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
3034 &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
3035 REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
3036 &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
3038 /* function stats */
3039 memset(&bp->dev->stats, 0, sizeof(struct net_device_stats));
3040 memset(&bp->old_tclient, 0, sizeof(struct tstorm_per_client_stats));
3041 memset(&bp->old_xclient, 0, sizeof(struct xstorm_per_client_stats));
3042 memset(&bp->eth_stats, 0, sizeof(struct bnx2x_eth_stats));
3044 bp->stats_state = STATS_STATE_DISABLED;
3045 if (IS_E1HMF(bp) && bp->port.pmf && bp->port.port_stx)
3046 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
3049 static void bnx2x_hw_stats_post(struct bnx2x *bp)
3051 struct dmae_command *dmae = &bp->stats_dmae;
3052 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3054 *stats_comp = DMAE_COMP_VAL;
3057 if (bp->executer_idx) {
3058 int loader_idx = PMF_DMAE_C(bp);
3060 memset(dmae, 0, sizeof(struct dmae_command));
3062 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3063 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3064 DMAE_CMD_DST_RESET |
3066 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3068 DMAE_CMD_ENDIANITY_DW_SWAP |
3070 (BP_PORT(bp) ? DMAE_CMD_PORT_1 :
3072 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3073 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
3074 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
3075 dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
3076 sizeof(struct dmae_command) *
3077 (loader_idx + 1)) >> 2;
3078 dmae->dst_addr_hi = 0;
3079 dmae->len = sizeof(struct dmae_command) >> 2;
3082 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
3083 dmae->comp_addr_hi = 0;
3087 bnx2x_post_dmae(bp, dmae, loader_idx);
3089 } else if (bp->func_stx) {
3091 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
3095 static int bnx2x_stats_comp(struct bnx2x *bp)
3097 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3101 while (*stats_comp != DMAE_COMP_VAL) {
3103 BNX2X_ERR("timeout waiting for stats finished\n");
3113 * Statistics service functions
3116 static void bnx2x_stats_pmf_update(struct bnx2x *bp)
3118 struct dmae_command *dmae;
3120 int loader_idx = PMF_DMAE_C(bp);
3121 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3124 if (!IS_E1HMF(bp) || !bp->port.pmf || !bp->port.port_stx) {
3125 BNX2X_ERR("BUG!\n");
3129 bp->executer_idx = 0;
3131 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3133 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3135 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3137 DMAE_CMD_ENDIANITY_DW_SWAP |
3139 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3140 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3142 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3143 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3144 dmae->src_addr_lo = bp->port.port_stx >> 2;
3145 dmae->src_addr_hi = 0;
3146 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3147 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3148 dmae->len = DMAE_LEN32_RD_MAX;
3149 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3150 dmae->comp_addr_hi = 0;
3153 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3154 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3155 dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
3156 dmae->src_addr_hi = 0;
3157 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
3158 DMAE_LEN32_RD_MAX * 4);
3159 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
3160 DMAE_LEN32_RD_MAX * 4);
3161 dmae->len = (sizeof(struct host_port_stats) >> 2) - DMAE_LEN32_RD_MAX;
3162 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3163 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3164 dmae->comp_val = DMAE_COMP_VAL;
3167 bnx2x_hw_stats_post(bp);
3168 bnx2x_stats_comp(bp);
3171 static void bnx2x_port_stats_init(struct bnx2x *bp)
3173 struct dmae_command *dmae;
3174 int port = BP_PORT(bp);
3175 int vn = BP_E1HVN(bp);
3177 int loader_idx = PMF_DMAE_C(bp);
3179 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3182 if (!bp->link_vars.link_up || !bp->port.pmf) {
3183 BNX2X_ERR("BUG!\n");
3187 bp->executer_idx = 0;
3190 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3191 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3192 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3194 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3196 DMAE_CMD_ENDIANITY_DW_SWAP |
3198 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3199 (vn << DMAE_CMD_E1HVN_SHIFT));
3201 if (bp->port.port_stx) {
3203 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3204 dmae->opcode = opcode;
3205 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3206 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3207 dmae->dst_addr_lo = bp->port.port_stx >> 2;
3208 dmae->dst_addr_hi = 0;
3209 dmae->len = sizeof(struct host_port_stats) >> 2;
3210 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3211 dmae->comp_addr_hi = 0;
3217 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3218 dmae->opcode = opcode;
3219 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3220 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3221 dmae->dst_addr_lo = bp->func_stx >> 2;
3222 dmae->dst_addr_hi = 0;
3223 dmae->len = sizeof(struct host_func_stats) >> 2;
3224 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3225 dmae->comp_addr_hi = 0;
3230 opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3231 DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
3232 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3234 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3236 DMAE_CMD_ENDIANITY_DW_SWAP |
3238 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3239 (vn << DMAE_CMD_E1HVN_SHIFT));
3241 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
3243 mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
3244 NIG_REG_INGRESS_BMAC0_MEM);
3246 /* BIGMAC_REGISTER_TX_STAT_GTPKT ..
3247 BIGMAC_REGISTER_TX_STAT_GTBYT */
3248 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3249 dmae->opcode = opcode;
3250 dmae->src_addr_lo = (mac_addr +
3251 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3252 dmae->src_addr_hi = 0;
3253 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3254 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3255 dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
3256 BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
3257 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3258 dmae->comp_addr_hi = 0;
3261 /* BIGMAC_REGISTER_RX_STAT_GR64 ..
3262 BIGMAC_REGISTER_RX_STAT_GRIPJ */
3263 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3264 dmae->opcode = opcode;
3265 dmae->src_addr_lo = (mac_addr +
3266 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3267 dmae->src_addr_hi = 0;
3268 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
3269 offsetof(struct bmac_stats, rx_stat_gr64_lo));
3270 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
3271 offsetof(struct bmac_stats, rx_stat_gr64_lo));
3272 dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
3273 BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
3274 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3275 dmae->comp_addr_hi = 0;
3278 } else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
3280 mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
3282 /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
3283 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3284 dmae->opcode = opcode;
3285 dmae->src_addr_lo = (mac_addr +
3286 EMAC_REG_EMAC_RX_STAT_AC) >> 2;
3287 dmae->src_addr_hi = 0;
3288 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
3289 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
3290 dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
3291 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3292 dmae->comp_addr_hi = 0;
3295 /* EMAC_REG_EMAC_RX_STAT_AC_28 */
3296 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3297 dmae->opcode = opcode;
3298 dmae->src_addr_lo = (mac_addr +
3299 EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
3300 dmae->src_addr_hi = 0;
3301 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
3302 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
3303 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
3304 offsetof(struct emac_stats, rx_stat_falsecarriererrors));
3306 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3307 dmae->comp_addr_hi = 0;
3310 /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
3311 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3312 dmae->opcode = opcode;
3313 dmae->src_addr_lo = (mac_addr +
3314 EMAC_REG_EMAC_TX_STAT_AC) >> 2;
3315 dmae->src_addr_hi = 0;
3316 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
3317 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
3318 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
3319 offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
3320 dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
3321 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3322 dmae->comp_addr_hi = 0;
3327 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3328 dmae->opcode = opcode;
3329 dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
3330 NIG_REG_STAT0_BRB_DISCARD) >> 2;
3331 dmae->src_addr_hi = 0;
3332 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
3333 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
3334 dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
3335 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3336 dmae->comp_addr_hi = 0;
3339 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3340 dmae->opcode = opcode;
3341 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
3342 NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
3343 dmae->src_addr_hi = 0;
3344 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3345 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3346 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3347 offsetof(struct nig_stats, egress_mac_pkt0_lo));
3348 dmae->len = (2*sizeof(u32)) >> 2;
3349 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3350 dmae->comp_addr_hi = 0;
3353 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3354 dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
3355 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3356 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3358 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3360 DMAE_CMD_ENDIANITY_DW_SWAP |
3362 (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3363 (vn << DMAE_CMD_E1HVN_SHIFT));
3364 dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
3365 NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
3366 dmae->src_addr_hi = 0;
3367 dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
3368 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3369 dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
3370 offsetof(struct nig_stats, egress_mac_pkt1_lo));
3371 dmae->len = (2*sizeof(u32)) >> 2;
3372 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3373 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3374 dmae->comp_val = DMAE_COMP_VAL;
3379 static void bnx2x_func_stats_init(struct bnx2x *bp)
3381 struct dmae_command *dmae = &bp->stats_dmae;
3382 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3385 if (!bp->func_stx) {
3386 BNX2X_ERR("BUG!\n");
3390 bp->executer_idx = 0;
3391 memset(dmae, 0, sizeof(struct dmae_command));
3393 dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3394 DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
3395 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3397 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3399 DMAE_CMD_ENDIANITY_DW_SWAP |
3401 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3402 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3403 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3404 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3405 dmae->dst_addr_lo = bp->func_stx >> 2;
3406 dmae->dst_addr_hi = 0;
3407 dmae->len = sizeof(struct host_func_stats) >> 2;
3408 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3409 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3410 dmae->comp_val = DMAE_COMP_VAL;
3415 static void bnx2x_stats_start(struct bnx2x *bp)
3418 bnx2x_port_stats_init(bp);
3420 else if (bp->func_stx)
3421 bnx2x_func_stats_init(bp);
3423 bnx2x_hw_stats_post(bp);
3424 bnx2x_storm_stats_post(bp);
3427 static void bnx2x_stats_pmf_start(struct bnx2x *bp)
3429 bnx2x_stats_comp(bp);
3430 bnx2x_stats_pmf_update(bp);
3431 bnx2x_stats_start(bp);
3434 static void bnx2x_stats_restart(struct bnx2x *bp)
3436 bnx2x_stats_comp(bp);
3437 bnx2x_stats_start(bp);
3440 static void bnx2x_bmac_stats_update(struct bnx2x *bp)
3442 struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac_stats);
3443 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3444 struct regpair diff;
3446 UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
3447 UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
3448 UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
3449 UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
3450 UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
3451 UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
3452 UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
3453 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
3454 UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffpauseframesreceived);
3455 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
3456 UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
3457 UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
3458 UPDATE_STAT64(tx_stat_gt127,
3459 tx_stat_etherstatspkts65octetsto127octets);
3460 UPDATE_STAT64(tx_stat_gt255,
3461 tx_stat_etherstatspkts128octetsto255octets);
3462 UPDATE_STAT64(tx_stat_gt511,
3463 tx_stat_etherstatspkts256octetsto511octets);
3464 UPDATE_STAT64(tx_stat_gt1023,
3465 tx_stat_etherstatspkts512octetsto1023octets);
3466 UPDATE_STAT64(tx_stat_gt1518,
3467 tx_stat_etherstatspkts1024octetsto1522octets);
3468 UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047);
3469 UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095);
3470 UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216);
3471 UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383);
3472 UPDATE_STAT64(tx_stat_gterr,
3473 tx_stat_dot3statsinternalmactransmiterrors);
3474 UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl);
3477 static void bnx2x_emac_stats_update(struct bnx2x *bp)
3479 struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
3480 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3482 UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
3483 UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
3484 UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
3485 UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
3486 UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
3487 UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
3488 UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
3489 UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
3490 UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
3491 UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
3492 UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
3493 UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
3494 UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
3495 UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
3496 UPDATE_EXTEND_STAT(tx_stat_outxonsent);
3497 UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
3498 UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
3499 UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
3500 UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
3501 UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
3502 UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
3503 UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
3504 UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
3505 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
3506 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
3507 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
3508 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
3509 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
3510 UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
3511 UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
3512 UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
3515 static int bnx2x_hw_stats_update(struct bnx2x *bp)
3517 struct nig_stats *new = bnx2x_sp(bp, nig_stats);
3518 struct nig_stats *old = &(bp->port.old_nig_stats);
3519 struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
3520 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3521 struct regpair diff;
3523 if (bp->link_vars.mac_type == MAC_TYPE_BMAC)
3524 bnx2x_bmac_stats_update(bp);
3526 else if (bp->link_vars.mac_type == MAC_TYPE_EMAC)
3527 bnx2x_emac_stats_update(bp);
3529 else { /* unreached */
3530 BNX2X_ERR("stats updated by dmae but no MAC active\n");
3534 ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
3535 new->brb_discard - old->brb_discard);
3536 ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
3537 new->brb_truncate - old->brb_truncate);
3539 UPDATE_STAT64_NIG(egress_mac_pkt0,
3540 etherstatspkts1024octetsto1522octets);
3541 UPDATE_STAT64_NIG(egress_mac_pkt1, etherstatspktsover1522octets);
3543 memcpy(old, new, sizeof(struct nig_stats));
3545 memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
3546 sizeof(struct mac_stx));
3547 estats->brb_drop_hi = pstats->brb_drop_hi;
3548 estats->brb_drop_lo = pstats->brb_drop_lo;
3550 pstats->host_port_stats_start = ++pstats->host_port_stats_end;
3555 static int bnx2x_storm_stats_update(struct bnx2x *bp)
3557 struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
3558 int cl_id = BP_CL_ID(bp);
3559 struct tstorm_per_port_stats *tport =
3560 &stats->tstorm_common.port_statistics;
3561 struct tstorm_per_client_stats *tclient =
3562 &stats->tstorm_common.client_statistics[cl_id];
3563 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3564 struct xstorm_per_client_stats *xclient =
3565 &stats->xstorm_common.client_statistics[cl_id];
3566 struct xstorm_per_client_stats *old_xclient = &bp->old_xclient;
3567 struct host_func_stats *fstats = bnx2x_sp(bp, func_stats);
3568 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3571 /* are storm stats valid? */
3572 if ((u16)(le16_to_cpu(tclient->stats_counter) + 1) !=
3573 bp->stats_counter) {
3574 DP(BNX2X_MSG_STATS, "stats not updated by tstorm"
3575 " tstorm counter (%d) != stats_counter (%d)\n",
3576 tclient->stats_counter, bp->stats_counter);
3579 if ((u16)(le16_to_cpu(xclient->stats_counter) + 1) !=
3580 bp->stats_counter) {
3581 DP(BNX2X_MSG_STATS, "stats not updated by xstorm"
3582 " xstorm counter (%d) != stats_counter (%d)\n",
3583 xclient->stats_counter, bp->stats_counter);
3587 fstats->total_bytes_received_hi =
3588 fstats->valid_bytes_received_hi =
3589 le32_to_cpu(tclient->total_rcv_bytes.hi);
3590 fstats->total_bytes_received_lo =
3591 fstats->valid_bytes_received_lo =
3592 le32_to_cpu(tclient->total_rcv_bytes.lo);
3594 estats->error_bytes_received_hi =
3595 le32_to_cpu(tclient->rcv_error_bytes.hi);
3596 estats->error_bytes_received_lo =
3597 le32_to_cpu(tclient->rcv_error_bytes.lo);
3598 ADD_64(estats->error_bytes_received_hi,
3599 estats->rx_stat_ifhcinbadoctets_hi,
3600 estats->error_bytes_received_lo,
3601 estats->rx_stat_ifhcinbadoctets_lo);
3603 ADD_64(fstats->total_bytes_received_hi,
3604 estats->error_bytes_received_hi,
3605 fstats->total_bytes_received_lo,
3606 estats->error_bytes_received_lo);
3608 UPDATE_EXTEND_TSTAT(rcv_unicast_pkts, total_unicast_packets_received);
3609 UPDATE_EXTEND_TSTAT(rcv_multicast_pkts,
3610 total_multicast_packets_received);
3611 UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts,
3612 total_broadcast_packets_received);
3614 fstats->total_bytes_transmitted_hi =
3615 le32_to_cpu(xclient->total_sent_bytes.hi);
3616 fstats->total_bytes_transmitted_lo =
3617 le32_to_cpu(xclient->total_sent_bytes.lo);
3619 UPDATE_EXTEND_XSTAT(unicast_pkts_sent,
3620 total_unicast_packets_transmitted);
3621 UPDATE_EXTEND_XSTAT(multicast_pkts_sent,
3622 total_multicast_packets_transmitted);
3623 UPDATE_EXTEND_XSTAT(broadcast_pkts_sent,
3624 total_broadcast_packets_transmitted);
3626 memcpy(estats, &(fstats->total_bytes_received_hi),
3627 sizeof(struct host_func_stats) - 2*sizeof(u32));
3629 estats->mac_filter_discard = le32_to_cpu(tport->mac_filter_discard);
3630 estats->xxoverflow_discard = le32_to_cpu(tport->xxoverflow_discard);
3631 estats->brb_truncate_discard =
3632 le32_to_cpu(tport->brb_truncate_discard);
3633 estats->mac_discard = le32_to_cpu(tport->mac_discard);
3635 old_tclient->rcv_unicast_bytes.hi =
3636 le32_to_cpu(tclient->rcv_unicast_bytes.hi);
3637 old_tclient->rcv_unicast_bytes.lo =
3638 le32_to_cpu(tclient->rcv_unicast_bytes.lo);
3639 old_tclient->rcv_broadcast_bytes.hi =
3640 le32_to_cpu(tclient->rcv_broadcast_bytes.hi);
3641 old_tclient->rcv_broadcast_bytes.lo =
3642 le32_to_cpu(tclient->rcv_broadcast_bytes.lo);
3643 old_tclient->rcv_multicast_bytes.hi =
3644 le32_to_cpu(tclient->rcv_multicast_bytes.hi);
3645 old_tclient->rcv_multicast_bytes.lo =
3646 le32_to_cpu(tclient->rcv_multicast_bytes.lo);
3647 old_tclient->total_rcv_pkts = le32_to_cpu(tclient->total_rcv_pkts);
3649 old_tclient->checksum_discard = le32_to_cpu(tclient->checksum_discard);
3650 old_tclient->packets_too_big_discard =
3651 le32_to_cpu(tclient->packets_too_big_discard);
3652 estats->no_buff_discard =
3653 old_tclient->no_buff_discard = le32_to_cpu(tclient->no_buff_discard);
3654 old_tclient->ttl0_discard = le32_to_cpu(tclient->ttl0_discard);
3656 old_xclient->total_sent_pkts = le32_to_cpu(xclient->total_sent_pkts);
3657 old_xclient->unicast_bytes_sent.hi =
3658 le32_to_cpu(xclient->unicast_bytes_sent.hi);
3659 old_xclient->unicast_bytes_sent.lo =
3660 le32_to_cpu(xclient->unicast_bytes_sent.lo);
3661 old_xclient->multicast_bytes_sent.hi =
3662 le32_to_cpu(xclient->multicast_bytes_sent.hi);
3663 old_xclient->multicast_bytes_sent.lo =
3664 le32_to_cpu(xclient->multicast_bytes_sent.lo);
3665 old_xclient->broadcast_bytes_sent.hi =
3666 le32_to_cpu(xclient->broadcast_bytes_sent.hi);
3667 old_xclient->broadcast_bytes_sent.lo =
3668 le32_to_cpu(xclient->broadcast_bytes_sent.lo);
3670 fstats->host_func_stats_start = ++fstats->host_func_stats_end;
3675 static void bnx2x_net_stats_update(struct bnx2x *bp)
3677 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3678 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3679 struct net_device_stats *nstats = &bp->dev->stats;
3681 nstats->rx_packets =
3682 bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
3683 bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
3684 bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
3686 nstats->tx_packets =
3687 bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
3688 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
3689 bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
3691 nstats->rx_bytes = bnx2x_hilo(&estats->valid_bytes_received_hi);
3693 nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
3695 nstats->rx_dropped = old_tclient->checksum_discard +
3696 estats->mac_discard;
3697 nstats->tx_dropped = 0;
3700 bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi);
3702 nstats->collisions =
3703 estats->tx_stat_dot3statssinglecollisionframes_lo +
3704 estats->tx_stat_dot3statsmultiplecollisionframes_lo +
3705 estats->tx_stat_dot3statslatecollisions_lo +
3706 estats->tx_stat_dot3statsexcessivecollisions_lo;
3708 estats->jabber_packets_received =
3709 old_tclient->packets_too_big_discard +
3710 estats->rx_stat_dot3statsframestoolong_lo;
3712 nstats->rx_length_errors =
3713 estats->rx_stat_etherstatsundersizepkts_lo +
3714 estats->jabber_packets_received;
3715 nstats->rx_over_errors = estats->brb_drop_lo + estats->brb_truncate_lo;
3716 nstats->rx_crc_errors = estats->rx_stat_dot3statsfcserrors_lo;
3717 nstats->rx_frame_errors = estats->rx_stat_dot3statsalignmenterrors_lo;
3718 nstats->rx_fifo_errors = old_tclient->no_buff_discard;
3719 nstats->rx_missed_errors = estats->xxoverflow_discard;
3721 nstats->rx_errors = nstats->rx_length_errors +
3722 nstats->rx_over_errors +
3723 nstats->rx_crc_errors +
3724 nstats->rx_frame_errors +
3725 nstats->rx_fifo_errors +
3726 nstats->rx_missed_errors;
3728 nstats->tx_aborted_errors =
3729 estats->tx_stat_dot3statslatecollisions_lo +
3730 estats->tx_stat_dot3statsexcessivecollisions_lo;
3731 nstats->tx_carrier_errors = estats->rx_stat_falsecarriererrors_lo;
3732 nstats->tx_fifo_errors = 0;
3733 nstats->tx_heartbeat_errors = 0;
3734 nstats->tx_window_errors = 0;
3736 nstats->tx_errors = nstats->tx_aborted_errors +
3737 nstats->tx_carrier_errors;
3740 static void bnx2x_stats_update(struct bnx2x *bp)
3742 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3745 if (*stats_comp != DMAE_COMP_VAL)
3749 update = (bnx2x_hw_stats_update(bp) == 0);
3751 update |= (bnx2x_storm_stats_update(bp) == 0);
3754 bnx2x_net_stats_update(bp);
3757 if (bp->stats_pending) {
3758 bp->stats_pending++;
3759 if (bp->stats_pending == 3) {
3760 BNX2X_ERR("stats not updated for 3 times\n");
3767 if (bp->msglevel & NETIF_MSG_TIMER) {
3768 struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
3769 struct bnx2x_eth_stats *estats = &bp->eth_stats;
3770 struct net_device_stats *nstats = &bp->dev->stats;
3773 printk(KERN_DEBUG "%s:\n", bp->dev->name);
3774 printk(KERN_DEBUG " tx avail (%4x) tx hc idx (%x)"
3776 bnx2x_tx_avail(bp->fp),
3777 le16_to_cpu(*bp->fp->tx_cons_sb), nstats->tx_packets);
3778 printk(KERN_DEBUG " rx usage (%4x) rx hc idx (%x)"
3780 (u16)(le16_to_cpu(*bp->fp->rx_cons_sb) -
3781 bp->fp->rx_comp_cons),
3782 le16_to_cpu(*bp->fp->rx_cons_sb), nstats->rx_packets);
3783 printk(KERN_DEBUG " %s (Xoff events %u) brb drops %u\n",
3784 netif_queue_stopped(bp->dev) ? "Xoff" : "Xon",
3785 estats->driver_xoff, estats->brb_drop_lo);
3786 printk(KERN_DEBUG "tstats: checksum_discard %u "
3787 "packets_too_big_discard %u no_buff_discard %u "
3788 "mac_discard %u mac_filter_discard %u "
3789 "xxovrflow_discard %u brb_truncate_discard %u "
3790 "ttl0_discard %u\n",
3791 old_tclient->checksum_discard,
3792 old_tclient->packets_too_big_discard,
3793 old_tclient->no_buff_discard, estats->mac_discard,
3794 estats->mac_filter_discard, estats->xxoverflow_discard,
3795 estats->brb_truncate_discard,
3796 old_tclient->ttl0_discard);
3798 for_each_queue(bp, i) {
3799 printk(KERN_DEBUG "[%d]: %lu\t%lu\t%lu\n", i,
3800 bnx2x_fp(bp, i, tx_pkt),
3801 bnx2x_fp(bp, i, rx_pkt),
3802 bnx2x_fp(bp, i, rx_calls));
3806 bnx2x_hw_stats_post(bp);
3807 bnx2x_storm_stats_post(bp);
3810 static void bnx2x_port_stats_stop(struct bnx2x *bp)
3812 struct dmae_command *dmae;
3814 int loader_idx = PMF_DMAE_C(bp);
3815 u32 *stats_comp = bnx2x_sp(bp, stats_comp);
3817 bp->executer_idx = 0;
3819 opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
3821 DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
3823 DMAE_CMD_ENDIANITY_B_DW_SWAP |
3825 DMAE_CMD_ENDIANITY_DW_SWAP |
3827 (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) |
3828 (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT));
3830 if (bp->port.port_stx) {
3832 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3834 dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC);
3836 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3837 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
3838 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
3839 dmae->dst_addr_lo = bp->port.port_stx >> 2;
3840 dmae->dst_addr_hi = 0;
3841 dmae->len = sizeof(struct host_port_stats) >> 2;
3843 dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
3844 dmae->comp_addr_hi = 0;
3847 dmae->comp_addr_lo =
3848 U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3849 dmae->comp_addr_hi =
3850 U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3851 dmae->comp_val = DMAE_COMP_VAL;
3859 dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
3860 dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI);
3861 dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
3862 dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
3863 dmae->dst_addr_lo = bp->func_stx >> 2;
3864 dmae->dst_addr_hi = 0;
3865 dmae->len = sizeof(struct host_func_stats) >> 2;
3866 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
3867 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
3868 dmae->comp_val = DMAE_COMP_VAL;
3874 static void bnx2x_stats_stop(struct bnx2x *bp)
3878 bnx2x_stats_comp(bp);
3881 update = (bnx2x_hw_stats_update(bp) == 0);
3883 update |= (bnx2x_storm_stats_update(bp) == 0);
3886 bnx2x_net_stats_update(bp);
3889 bnx2x_port_stats_stop(bp);
3891 bnx2x_hw_stats_post(bp);
3892 bnx2x_stats_comp(bp);
3896 static void bnx2x_stats_do_nothing(struct bnx2x *bp)
3900 static const struct {
3901 void (*action)(struct bnx2x *bp);
3902 enum bnx2x_stats_state next_state;
3903 } bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
3906 /* DISABLED PMF */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
3907 /* LINK_UP */ {bnx2x_stats_start, STATS_STATE_ENABLED},
3908 /* UPDATE */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
3909 /* STOP */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
3912 /* ENABLED PMF */ {bnx2x_stats_pmf_start, STATS_STATE_ENABLED},
3913 /* LINK_UP */ {bnx2x_stats_restart, STATS_STATE_ENABLED},
3914 /* UPDATE */ {bnx2x_stats_update, STATS_STATE_ENABLED},
3915 /* STOP */ {bnx2x_stats_stop, STATS_STATE_DISABLED}
3919 static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
3921 enum bnx2x_stats_state state = bp->stats_state;
3923 bnx2x_stats_stm[state][event].action(bp);
3924 bp->stats_state = bnx2x_stats_stm[state][event].next_state;
3926 if ((event != STATS_EVENT_UPDATE) || (bp->msglevel & NETIF_MSG_TIMER))
3927 DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
3928 state, event, bp->stats_state);
3931 static void bnx2x_timer(unsigned long data)
3933 struct bnx2x *bp = (struct bnx2x *) data;
3935 if (!netif_running(bp->dev))
3938 if (atomic_read(&bp->intr_sem) != 0)
3942 struct bnx2x_fastpath *fp = &bp->fp[0];
3945 bnx2x_tx_int(fp, 1000);
3946 rc = bnx2x_rx_int(fp, 1000);
3949 if (!BP_NOMCP(bp)) {
3950 int func = BP_FUNC(bp);
3954 ++bp->fw_drv_pulse_wr_seq;
3955 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3956 /* TBD - add SYSTEM_TIME */
3957 drv_pulse = bp->fw_drv_pulse_wr_seq;
3958 SHMEM_WR(bp, func_mb[func].drv_pulse_mb, drv_pulse);
3960 mcp_pulse = (SHMEM_RD(bp, func_mb[func].mcp_pulse_mb) &
3961 MCP_PULSE_SEQ_MASK);
3962 /* The delta between driver pulse and mcp response
3963 * should be 1 (before mcp response) or 0 (after mcp response)
3965 if ((drv_pulse != mcp_pulse) &&
3966 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3967 /* someone lost a heartbeat... */
3968 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3969 drv_pulse, mcp_pulse);
3973 if ((bp->state == BNX2X_STATE_OPEN) ||
3974 (bp->state == BNX2X_STATE_DISABLED))
3975 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
3978 mod_timer(&bp->timer, jiffies + bp->current_interval);
3981 /* end of Statistics */
3986 * nic init service functions
3989 static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id)
3991 int port = BP_PORT(bp);
3993 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
3994 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
3995 sizeof(struct ustorm_status_block)/4);
3996 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
3997 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
3998 sizeof(struct cstorm_status_block)/4);
4001 static void bnx2x_init_sb(struct bnx2x *bp, struct host_status_block *sb,
4002 dma_addr_t mapping, int sb_id)
4004 int port = BP_PORT(bp);
4005 int func = BP_FUNC(bp);
4010 section = ((u64)mapping) + offsetof(struct host_status_block,
4012 sb->u_status_block.status_block_id = sb_id;
4014 REG_WR(bp, BAR_USTRORM_INTMEM +
4015 USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
4016 REG_WR(bp, BAR_USTRORM_INTMEM +
4017 ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
4019 REG_WR8(bp, BAR_USTRORM_INTMEM + FP_USB_FUNC_OFF +
4020 USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
4022 for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++)
4023 REG_WR16(bp, BAR_USTRORM_INTMEM +
4024 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
4027 section = ((u64)mapping) + offsetof(struct host_status_block,
4029 sb->c_status_block.status_block_id = sb_id;
4031 REG_WR(bp, BAR_CSTRORM_INTMEM +
4032 CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section));
4033 REG_WR(bp, BAR_CSTRORM_INTMEM +
4034 ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4),
4036 REG_WR8(bp, BAR_CSTRORM_INTMEM + FP_CSB_FUNC_OFF +
4037 CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func);
4039 for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++)
4040 REG_WR16(bp, BAR_CSTRORM_INTMEM +
4041 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1);
4043 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
4046 static void bnx2x_zero_def_sb(struct bnx2x *bp)
4048 int func = BP_FUNC(bp);
4050 bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
4051 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4052 sizeof(struct ustorm_def_status_block)/4);
4053 bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
4054 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4055 sizeof(struct cstorm_def_status_block)/4);
4056 bnx2x_init_fill(bp, BAR_XSTRORM_INTMEM +
4057 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4058 sizeof(struct xstorm_def_status_block)/4);
4059 bnx2x_init_fill(bp, BAR_TSTRORM_INTMEM +
4060 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
4061 sizeof(struct tstorm_def_status_block)/4);
4064 static void bnx2x_init_def_sb(struct bnx2x *bp,
4065 struct host_def_status_block *def_sb,
4066 dma_addr_t mapping, int sb_id)
4068 int port = BP_PORT(bp);
4069 int func = BP_FUNC(bp);
4070 int index, val, reg_offset;
4074 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4075 atten_status_block);
4076 def_sb->atten_status_block.status_block_id = sb_id;
4080 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4081 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4083 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4084 bp->attn_group[index].sig[0] = REG_RD(bp,
4085 reg_offset + 0x10*index);
4086 bp->attn_group[index].sig[1] = REG_RD(bp,
4087 reg_offset + 0x4 + 0x10*index);
4088 bp->attn_group[index].sig[2] = REG_RD(bp,
4089 reg_offset + 0x8 + 0x10*index);
4090 bp->attn_group[index].sig[3] = REG_RD(bp,
4091 reg_offset + 0xc + 0x10*index);
4094 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4095 HC_REG_ATTN_MSG0_ADDR_L);
4097 REG_WR(bp, reg_offset, U64_LO(section));
4098 REG_WR(bp, reg_offset + 4, U64_HI(section));
4100 reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0);
4102 val = REG_RD(bp, reg_offset);
4104 REG_WR(bp, reg_offset, val);
4107 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4108 u_def_status_block);
4109 def_sb->u_def_status_block.status_block_id = sb_id;
4111 REG_WR(bp, BAR_USTRORM_INTMEM +
4112 USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4113 REG_WR(bp, BAR_USTRORM_INTMEM +
4114 ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4116 REG_WR8(bp, BAR_USTRORM_INTMEM + DEF_USB_FUNC_OFF +
4117 USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4119 for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++)
4120 REG_WR16(bp, BAR_USTRORM_INTMEM +
4121 USTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4124 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4125 c_def_status_block);
4126 def_sb->c_def_status_block.status_block_id = sb_id;
4128 REG_WR(bp, BAR_CSTRORM_INTMEM +
4129 CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4130 REG_WR(bp, BAR_CSTRORM_INTMEM +
4131 ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4133 REG_WR8(bp, BAR_CSTRORM_INTMEM + DEF_CSB_FUNC_OFF +
4134 CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4136 for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++)
4137 REG_WR16(bp, BAR_CSTRORM_INTMEM +
4138 CSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4141 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4142 t_def_status_block);
4143 def_sb->t_def_status_block.status_block_id = sb_id;
4145 REG_WR(bp, BAR_TSTRORM_INTMEM +
4146 TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4147 REG_WR(bp, BAR_TSTRORM_INTMEM +
4148 ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4150 REG_WR8(bp, BAR_TSTRORM_INTMEM + DEF_TSB_FUNC_OFF +
4151 TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4153 for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++)
4154 REG_WR16(bp, BAR_TSTRORM_INTMEM +
4155 TSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4158 section = ((u64)mapping) + offsetof(struct host_def_status_block,
4159 x_def_status_block);
4160 def_sb->x_def_status_block.status_block_id = sb_id;
4162 REG_WR(bp, BAR_XSTRORM_INTMEM +
4163 XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section));
4164 REG_WR(bp, BAR_XSTRORM_INTMEM +
4165 ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4),
4167 REG_WR8(bp, BAR_XSTRORM_INTMEM + DEF_XSB_FUNC_OFF +
4168 XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func);
4170 for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++)
4171 REG_WR16(bp, BAR_XSTRORM_INTMEM +
4172 XSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1);
4174 bp->stats_pending = 0;
4175 bp->set_mac_pending = 0;
4177 bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
4180 static void bnx2x_update_coalesce(struct bnx2x *bp)
4182 int port = BP_PORT(bp);
4185 for_each_queue(bp, i) {
4186 int sb_id = bp->fp[i].sb_id;
4188 /* HC_INDEX_U_ETH_RX_CQ_CONS */
4189 REG_WR8(bp, BAR_USTRORM_INTMEM +
4190 USTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
4191 U_SB_ETH_RX_CQ_INDEX),
4193 REG_WR16(bp, BAR_USTRORM_INTMEM +
4194 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4195 U_SB_ETH_RX_CQ_INDEX),
4196 bp->rx_ticks ? 0 : 1);
4197 REG_WR16(bp, BAR_USTRORM_INTMEM +
4198 USTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4199 U_SB_ETH_RX_BD_INDEX),
4200 bp->rx_ticks ? 0 : 1);
4202 /* HC_INDEX_C_ETH_TX_CQ_CONS */
4203 REG_WR8(bp, BAR_CSTRORM_INTMEM +
4204 CSTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id,
4205 C_SB_ETH_TX_CQ_INDEX),
4207 REG_WR16(bp, BAR_CSTRORM_INTMEM +
4208 CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id,
4209 C_SB_ETH_TX_CQ_INDEX),
4210 bp->tx_ticks ? 0 : 1);
4214 static inline void bnx2x_free_tpa_pool(struct bnx2x *bp,
4215 struct bnx2x_fastpath *fp, int last)
4219 for (i = 0; i < last; i++) {
4220 struct sw_rx_bd *rx_buf = &(fp->tpa_pool[i]);
4221 struct sk_buff *skb = rx_buf->skb;
4224 DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i);
4228 if (fp->tpa_state[i] == BNX2X_TPA_START)
4229 pci_unmap_single(bp->pdev,
4230 pci_unmap_addr(rx_buf, mapping),
4231 bp->rx_buf_use_size,
4232 PCI_DMA_FROMDEVICE);
4239 static void bnx2x_init_rx_rings(struct bnx2x *bp)
4241 int func = BP_FUNC(bp);
4242 int max_agg_queues = CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 :
4243 ETH_MAX_AGGREGATION_QUEUES_E1H;
4244 u16 ring_prod, cqe_ring_prod;
4247 bp->rx_buf_use_size = bp->dev->mtu;
4248 bp->rx_buf_use_size += bp->rx_offset + ETH_OVREHEAD;
4249 bp->rx_buf_size = bp->rx_buf_use_size + 64;
4251 if (bp->flags & TPA_ENABLE_FLAG) {
4253 "rx_buf_use_size %d rx_buf_size %d effective_mtu %d\n",
4254 bp->rx_buf_use_size, bp->rx_buf_size,
4255 bp->dev->mtu + ETH_OVREHEAD);
4257 for_each_queue(bp, j) {
4258 struct bnx2x_fastpath *fp = &bp->fp[j];
4260 for (i = 0; i < max_agg_queues; i++) {
4261 fp->tpa_pool[i].skb =
4262 netdev_alloc_skb(bp->dev, bp->rx_buf_size);
4263 if (!fp->tpa_pool[i].skb) {
4264 BNX2X_ERR("Failed to allocate TPA "
4265 "skb pool for queue[%d] - "
4266 "disabling TPA on this "
4268 bnx2x_free_tpa_pool(bp, fp, i);
4269 fp->disable_tpa = 1;
4272 pci_unmap_addr_set((struct sw_rx_bd *)
4273 &bp->fp->tpa_pool[i],
4275 fp->tpa_state[i] = BNX2X_TPA_STOP;
4280 for_each_queue(bp, j) {
4281 struct bnx2x_fastpath *fp = &bp->fp[j];
4284 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4285 fp->rx_bd_cons_sb = BNX2X_RX_SB_BD_INDEX;
4287 /* "next page" elements initialization */
4289 for (i = 1; i <= NUM_RX_SGE_PAGES; i++) {
4290 struct eth_rx_sge *sge;
4292 sge = &fp->rx_sge_ring[RX_SGE_CNT * i - 2];
4294 cpu_to_le32(U64_HI(fp->rx_sge_mapping +
4295 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4297 cpu_to_le32(U64_LO(fp->rx_sge_mapping +
4298 BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES)));
4301 bnx2x_init_sge_ring_bit_mask(fp);
4304 for (i = 1; i <= NUM_RX_RINGS; i++) {
4305 struct eth_rx_bd *rx_bd;
4307 rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2];
4309 cpu_to_le32(U64_HI(fp->rx_desc_mapping +
4310 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
4312 cpu_to_le32(U64_LO(fp->rx_desc_mapping +
4313 BCM_PAGE_SIZE*(i % NUM_RX_RINGS)));
4317 for (i = 1; i <= NUM_RCQ_RINGS; i++) {
4318 struct eth_rx_cqe_next_page *nextpg;
4320 nextpg = (struct eth_rx_cqe_next_page *)
4321 &fp->rx_comp_ring[RCQ_DESC_CNT * i - 1];
4323 cpu_to_le32(U64_HI(fp->rx_comp_mapping +
4324 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
4326 cpu_to_le32(U64_LO(fp->rx_comp_mapping +
4327 BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS)));
4330 /* Allocate SGEs and initialize the ring elements */
4331 for (i = 0, ring_prod = 0;
4332 i < MAX_RX_SGE_CNT*NUM_RX_SGE_PAGES; i++) {
4334 if (bnx2x_alloc_rx_sge(bp, fp, ring_prod) < 0) {
4335 BNX2X_ERR("was only able to allocate "
4337 BNX2X_ERR("disabling TPA for queue[%d]\n", j);
4338 /* Cleanup already allocated elements */
4339 bnx2x_free_rx_sge_range(bp, fp, ring_prod);
4340 bnx2x_free_tpa_pool(bp, fp, max_agg_queues);
4341 fp->disable_tpa = 1;
4345 ring_prod = NEXT_SGE_IDX(ring_prod);
4347 fp->rx_sge_prod = ring_prod;
4349 /* Allocate BDs and initialize BD ring */
4350 fp->rx_comp_cons = 0;
4351 cqe_ring_prod = ring_prod = 0;
4352 for (i = 0; i < bp->rx_ring_size; i++) {
4353 if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) {
4354 BNX2X_ERR("was only able to allocate "
4356 bp->eth_stats.rx_skb_alloc_failed++;
4359 ring_prod = NEXT_RX_IDX(ring_prod);
4360 cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod);
4361 WARN_ON(ring_prod <= i);
4364 fp->rx_bd_prod = ring_prod;
4365 /* must not have more available CQEs than BDs */
4366 fp->rx_comp_prod = min((u16)(NUM_RCQ_RINGS*RCQ_DESC_CNT),
4368 fp->rx_pkt = fp->rx_calls = 0;
4371 * this will generate an interrupt (to the TSTORM)
4372 * must only be done after chip is initialized
4374 bnx2x_update_rx_prod(bp, fp, ring_prod, fp->rx_comp_prod,
4379 REG_WR(bp, BAR_USTRORM_INTMEM +
4380 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func),
4381 U64_LO(fp->rx_comp_mapping));
4382 REG_WR(bp, BAR_USTRORM_INTMEM +
4383 USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func) + 4,
4384 U64_HI(fp->rx_comp_mapping));
4388 static void bnx2x_init_tx_ring(struct bnx2x *bp)
4392 for_each_queue(bp, j) {
4393 struct bnx2x_fastpath *fp = &bp->fp[j];
4395 for (i = 1; i <= NUM_TX_RINGS; i++) {
4396 struct eth_tx_bd *tx_bd =
4397 &fp->tx_desc_ring[TX_DESC_CNT * i - 1];
4400 cpu_to_le32(U64_HI(fp->tx_desc_mapping +
4401 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
4403 cpu_to_le32(U64_LO(fp->tx_desc_mapping +
4404 BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
4407 fp->tx_pkt_prod = 0;
4408 fp->tx_pkt_cons = 0;
4411 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4416 static void bnx2x_init_sp_ring(struct bnx2x *bp)
4418 int func = BP_FUNC(bp);
4420 spin_lock_init(&bp->spq_lock);
4422 bp->spq_left = MAX_SPQ_PENDING;
4423 bp->spq_prod_idx = 0;
4424 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4425 bp->spq_prod_bd = bp->spq;
4426 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
4428 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func),
4429 U64_LO(bp->spq_mapping));
4431 XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func) + 4,
4432 U64_HI(bp->spq_mapping));
4434 REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(func),
4438 static void bnx2x_init_context(struct bnx2x *bp)
4442 for_each_queue(bp, i) {
4443 struct eth_context *context = bnx2x_sp(bp, context[i].eth);
4444 struct bnx2x_fastpath *fp = &bp->fp[i];
4445 u8 sb_id = FP_SB_ID(fp);
4447 context->xstorm_st_context.tx_bd_page_base_hi =
4448 U64_HI(fp->tx_desc_mapping);
4449 context->xstorm_st_context.tx_bd_page_base_lo =
4450 U64_LO(fp->tx_desc_mapping);
4451 context->xstorm_st_context.db_data_addr_hi =
4452 U64_HI(fp->tx_prods_mapping);
4453 context->xstorm_st_context.db_data_addr_lo =
4454 U64_LO(fp->tx_prods_mapping);
4455 context->xstorm_st_context.statistics_data = (BP_CL_ID(bp) |
4456 XSTORM_ETH_ST_CONTEXT_STATISTICS_ENABLE);
4458 context->ustorm_st_context.common.sb_index_numbers =
4459 BNX2X_RX_SB_INDEX_NUM;
4460 context->ustorm_st_context.common.clientId = FP_CL_ID(fp);
4461 context->ustorm_st_context.common.status_block_id = sb_id;
4462 context->ustorm_st_context.common.flags =
4463 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_MC_ALIGNMENT;
4464 context->ustorm_st_context.common.mc_alignment_size = 64;
4465 context->ustorm_st_context.common.bd_buff_size =
4466 bp->rx_buf_use_size;
4467 context->ustorm_st_context.common.bd_page_base_hi =
4468 U64_HI(fp->rx_desc_mapping);
4469 context->ustorm_st_context.common.bd_page_base_lo =
4470 U64_LO(fp->rx_desc_mapping);
4471 if (!fp->disable_tpa) {
4472 context->ustorm_st_context.common.flags |=
4473 (USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_TPA |
4474 USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_SGE_RING);
4475 context->ustorm_st_context.common.sge_buff_size =
4476 (u16)(BCM_PAGE_SIZE*PAGES_PER_SGE);
4477 context->ustorm_st_context.common.sge_page_base_hi =
4478 U64_HI(fp->rx_sge_mapping);
4479 context->ustorm_st_context.common.sge_page_base_lo =
4480 U64_LO(fp->rx_sge_mapping);
4483 context->cstorm_st_context.sb_index_number =
4484 C_SB_ETH_TX_CQ_INDEX;
4485 context->cstorm_st_context.status_block_id = sb_id;
4487 context->xstorm_ag_context.cdu_reserved =
4488 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4489 CDU_REGION_NUMBER_XCM_AG,
4490 ETH_CONNECTION_TYPE);
4491 context->ustorm_ag_context.cdu_usage =
4492 CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
4493 CDU_REGION_NUMBER_UCM_AG,
4494 ETH_CONNECTION_TYPE);
4498 static void bnx2x_init_ind_table(struct bnx2x *bp)
4500 int port = BP_PORT(bp);
4506 DP(NETIF_MSG_IFUP, "Initializing indirection table\n");
4507 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4508 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4509 TSTORM_INDIRECTION_TABLE_OFFSET(port) + i,
4510 i % bp->num_queues);
4512 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
4515 static void bnx2x_set_client_config(struct bnx2x *bp)
4517 struct tstorm_eth_client_config tstorm_client = {0};
4518 int port = BP_PORT(bp);
4521 tstorm_client.mtu = bp->dev->mtu + ETH_OVREHEAD;
4522 tstorm_client.statistics_counter_id = BP_CL_ID(bp);
4523 tstorm_client.config_flags =
4524 TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE;
4526 if (bp->rx_mode && bp->vlgrp) {
4527 tstorm_client.config_flags |=
4528 TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE;
4529 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
4533 if (bp->flags & TPA_ENABLE_FLAG) {
4534 tstorm_client.max_sges_for_packet =
4535 BCM_PAGE_ALIGN(tstorm_client.mtu) >> BCM_PAGE_SHIFT;
4536 tstorm_client.max_sges_for_packet =
4537 ((tstorm_client.max_sges_for_packet +
4538 PAGES_PER_SGE - 1) & (~(PAGES_PER_SGE - 1))) >>
4539 PAGES_PER_SGE_SHIFT;
4541 tstorm_client.config_flags |=
4542 TSTORM_ETH_CLIENT_CONFIG_ENABLE_SGE_RING;
4545 for_each_queue(bp, i) {
4546 REG_WR(bp, BAR_TSTRORM_INTMEM +
4547 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id),
4548 ((u32 *)&tstorm_client)[0]);
4549 REG_WR(bp, BAR_TSTRORM_INTMEM +
4550 TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id) + 4,
4551 ((u32 *)&tstorm_client)[1]);
4554 DP(BNX2X_MSG_OFF, "tstorm_client: 0x%08x 0x%08x\n",
4555 ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]);
4558 static void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
4560 struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0};
4561 int mode = bp->rx_mode;
4562 int mask = (1 << BP_L_ID(bp));
4563 int func = BP_FUNC(bp);
4566 DP(NETIF_MSG_IFUP, "rx mode %d mask 0x%x\n", mode, mask);
4569 case BNX2X_RX_MODE_NONE: /* no Rx */
4570 tstorm_mac_filter.ucast_drop_all = mask;
4571 tstorm_mac_filter.mcast_drop_all = mask;
4572 tstorm_mac_filter.bcast_drop_all = mask;
4574 case BNX2X_RX_MODE_NORMAL:
4575 tstorm_mac_filter.bcast_accept_all = mask;
4577 case BNX2X_RX_MODE_ALLMULTI:
4578 tstorm_mac_filter.mcast_accept_all = mask;
4579 tstorm_mac_filter.bcast_accept_all = mask;
4581 case BNX2X_RX_MODE_PROMISC:
4582 tstorm_mac_filter.ucast_accept_all = mask;
4583 tstorm_mac_filter.mcast_accept_all = mask;
4584 tstorm_mac_filter.bcast_accept_all = mask;
4587 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4591 for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) {
4592 REG_WR(bp, BAR_TSTRORM_INTMEM +
4593 TSTORM_MAC_FILTER_CONFIG_OFFSET(func) + i * 4,
4594 ((u32 *)&tstorm_mac_filter)[i]);
4596 /* DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i,
4597 ((u32 *)&tstorm_mac_filter)[i]); */
4600 if (mode != BNX2X_RX_MODE_NONE)
4601 bnx2x_set_client_config(bp);
4604 static void bnx2x_init_internal_common(struct bnx2x *bp)
4608 /* Zero this manually as its initialization is
4609 currently missing in the initTool */
4610 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4611 REG_WR(bp, BAR_USTRORM_INTMEM +
4612 USTORM_AGG_DATA_OFFSET + i * 4, 0);
4615 static void bnx2x_init_internal_port(struct bnx2x *bp)
4617 int port = BP_PORT(bp);
4619 REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4620 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4621 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4622 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
4625 static void bnx2x_init_internal_func(struct bnx2x *bp)
4627 struct tstorm_eth_function_common_config tstorm_config = {0};
4628 struct stats_indication_flags stats_flags = {0};
4629 int port = BP_PORT(bp);
4630 int func = BP_FUNC(bp);
4635 tstorm_config.config_flags = MULTI_FLAGS;
4636 tstorm_config.rss_result_mask = MULTI_MASK;
4639 tstorm_config.leading_client_id = BP_L_ID(bp);
4641 REG_WR(bp, BAR_TSTRORM_INTMEM +
4642 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(func),
4643 (*(u32 *)&tstorm_config));
4645 bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */
4646 bnx2x_set_storm_rx_mode(bp);
4648 /* reset xstorm per client statistics */
4649 for (i = 0; i < sizeof(struct xstorm_per_client_stats) / 4; i++) {
4650 REG_WR(bp, BAR_XSTRORM_INTMEM +
4651 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4654 /* reset tstorm per client statistics */
4655 for (i = 0; i < sizeof(struct tstorm_per_client_stats) / 4; i++) {
4656 REG_WR(bp, BAR_TSTRORM_INTMEM +
4657 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) +
4661 /* Init statistics related context */
4662 stats_flags.collect_eth = 1;
4664 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func),
4665 ((u32 *)&stats_flags)[0]);
4666 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func) + 4,
4667 ((u32 *)&stats_flags)[1]);
4669 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func),
4670 ((u32 *)&stats_flags)[0]);
4671 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func) + 4,
4672 ((u32 *)&stats_flags)[1]);
4674 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func),
4675 ((u32 *)&stats_flags)[0]);
4676 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func) + 4,
4677 ((u32 *)&stats_flags)[1]);
4679 REG_WR(bp, BAR_XSTRORM_INTMEM +
4680 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4681 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4682 REG_WR(bp, BAR_XSTRORM_INTMEM +
4683 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4684 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
4686 REG_WR(bp, BAR_TSTRORM_INTMEM +
4687 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func),
4688 U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
4689 REG_WR(bp, BAR_TSTRORM_INTMEM +
4690 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4,
4691 U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
4693 if (CHIP_IS_E1H(bp)) {
4694 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
4696 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
4698 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
4700 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
4703 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(func),
4707 /* Init CQ ring mapping and aggregation size */
4708 max_agg_size = min((u32)(bp->rx_buf_use_size +
4709 8*BCM_PAGE_SIZE*PAGES_PER_SGE),
4711 for_each_queue(bp, i) {
4712 struct bnx2x_fastpath *fp = &bp->fp[i];
4714 REG_WR(bp, BAR_USTRORM_INTMEM +
4715 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)),
4716 U64_LO(fp->rx_comp_mapping));
4717 REG_WR(bp, BAR_USTRORM_INTMEM +
4718 USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)) + 4,
4719 U64_HI(fp->rx_comp_mapping));
4721 REG_WR16(bp, BAR_USTRORM_INTMEM +
4722 USTORM_MAX_AGG_SIZE_OFFSET(port, FP_CL_ID(fp)),
4727 static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4729 switch (load_code) {
4730 case FW_MSG_CODE_DRV_LOAD_COMMON:
4731 bnx2x_init_internal_common(bp);
4734 case FW_MSG_CODE_DRV_LOAD_PORT:
4735 bnx2x_init_internal_port(bp);
4738 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
4739 bnx2x_init_internal_func(bp);
4743 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4748 static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
4752 for_each_queue(bp, i) {
4753 struct bnx2x_fastpath *fp = &bp->fp[i];
4756 fp->state = BNX2X_FP_STATE_CLOSED;
4758 fp->cl_id = BP_L_ID(bp) + i;
4759 fp->sb_id = fp->cl_id;
4761 "bnx2x_init_sb(%p,%p) index %d cl_id %d sb %d\n",
4762 bp, fp->status_blk, i, FP_CL_ID(fp), FP_SB_ID(fp));
4763 bnx2x_init_sb(bp, fp->status_blk, fp->status_blk_mapping,
4765 bnx2x_update_fpsb_idx(fp);
4768 bnx2x_init_def_sb(bp, bp->def_status_blk, bp->def_status_blk_mapping,
4770 bnx2x_update_dsb_idx(bp);
4771 bnx2x_update_coalesce(bp);
4772 bnx2x_init_rx_rings(bp);
4773 bnx2x_init_tx_ring(bp);
4774 bnx2x_init_sp_ring(bp);
4775 bnx2x_init_context(bp);
4776 bnx2x_init_internal(bp, load_code);
4777 bnx2x_init_ind_table(bp);
4778 bnx2x_int_enable(bp);
4781 /* end of nic init */
4784 * gzip service functions
4787 static int bnx2x_gunzip_init(struct bnx2x *bp)
4789 bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE,
4790 &bp->gunzip_mapping);
4791 if (bp->gunzip_buf == NULL)
4794 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4795 if (bp->strm == NULL)
4798 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4800 if (bp->strm->workspace == NULL)
4810 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4811 bp->gunzip_mapping);
4812 bp->gunzip_buf = NULL;
4815 printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for"
4816 " un-compression\n", bp->dev->name);
4820 static void bnx2x_gunzip_end(struct bnx2x *bp)
4822 kfree(bp->strm->workspace);
4827 if (bp->gunzip_buf) {
4828 pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
4829 bp->gunzip_mapping);
4830 bp->gunzip_buf = NULL;
4834 static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len)
4838 /* check gzip header */
4839 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED))
4846 if (zbuf[3] & FNAME)
4847 while ((zbuf[n++] != 0) && (n < len));
4849 bp->strm->next_in = zbuf + n;
4850 bp->strm->avail_in = len - n;
4851 bp->strm->next_out = bp->gunzip_buf;
4852 bp->strm->avail_out = FW_BUF_SIZE;
4854 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4858 rc = zlib_inflate(bp->strm, Z_FINISH);
4859 if ((rc != Z_OK) && (rc != Z_STREAM_END))
4860 printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n",
4861 bp->dev->name, bp->strm->msg);
4863 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4864 if (bp->gunzip_outlen & 0x3)
4865 printk(KERN_ERR PFX "%s: Firmware decompression error:"
4866 " gunzip_outlen (%d) not aligned\n",
4867 bp->dev->name, bp->gunzip_outlen);
4868 bp->gunzip_outlen >>= 2;
4870 zlib_inflateEnd(bp->strm);
4872 if (rc == Z_STREAM_END)
4878 /* nic load/unload */
4881 * General service functions
4884 /* send a NIG loopback debug packet */
4885 static void bnx2x_lb_pckt(struct bnx2x *bp)
4889 /* Ethernet source and destination addresses */
4890 wb_write[0] = 0x55555555;
4891 wb_write[1] = 0x55555555;
4892 wb_write[2] = 0x20; /* SOP */
4893 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
4895 /* NON-IP protocol */
4896 wb_write[0] = 0x09000000;
4897 wb_write[1] = 0x55555555;
4898 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
4899 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
4902 /* some of the internal memories
4903 * are not directly readable from the driver
4904 * to test them we send debug packets
4906 static int bnx2x_int_mem_test(struct bnx2x *bp)
4912 if (CHIP_REV_IS_FPGA(bp))
4914 else if (CHIP_REV_IS_EMUL(bp))
4919 DP(NETIF_MSG_HW, "start part1\n");
4921 /* Disable inputs of parser neighbor blocks */
4922 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4923 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4924 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4925 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
4927 /* Write 0 to parser credits for CFC search request */
4928 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4930 /* send Ethernet packet */
4933 /* TODO do i reset NIG statistic? */
4934 /* Wait until NIG register shows 1 packet of size 0x10 */
4935 count = 1000 * factor;
4938 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4939 val = *bnx2x_sp(bp, wb_data[0]);
4947 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4951 /* Wait until PRS register shows 1 packet */
4952 count = 1000 * factor;
4954 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4962 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4966 /* Reset and init BRB, PRS */
4967 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4969 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4971 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
4972 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
4974 DP(NETIF_MSG_HW, "part2\n");
4976 /* Disable inputs of parser neighbor blocks */
4977 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4978 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4979 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4980 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
4982 /* Write 0 to parser credits for CFC search request */
4983 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4985 /* send 10 Ethernet packets */
4986 for (i = 0; i < 10; i++)
4989 /* Wait until NIG register shows 10 + 1
4990 packets of size 11*0x10 = 0xb0 */
4991 count = 1000 * factor;
4994 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4995 val = *bnx2x_sp(bp, wb_data[0]);
5003 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
5007 /* Wait until PRS register shows 2 packets */
5008 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5010 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5012 /* Write 1 to parser credits for CFC search request */
5013 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
5015 /* Wait until PRS register shows 3 packets */
5016 msleep(10 * factor);
5017 /* Wait until NIG register shows 1 packet of size 0x10 */
5018 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
5020 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
5022 /* clear NIG EOP FIFO */
5023 for (i = 0; i < 11; i++)
5024 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
5025 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
5027 BNX2X_ERR("clear of NIG failed\n");
5031 /* Reset and init BRB, PRS, NIG */
5032 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
5034 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
5036 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5037 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5040 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5043 /* Enable inputs of parser neighbor blocks */
5044 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
5045 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
5046 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
5047 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
5049 DP(NETIF_MSG_HW, "done\n");
5054 static void enable_blocks_attention(struct bnx2x *bp)
5056 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5057 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
5058 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5059 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5060 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
5061 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
5062 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
5063 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
5064 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
5065 /* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
5066 /* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
5067 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
5068 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
5069 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
5070 /* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
5071 /* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
5072 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
5073 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
5074 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
5075 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
5076 /* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
5077 /* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
5078 if (CHIP_REV_IS_FPGA(bp))
5079 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
5081 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
5082 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
5083 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
5084 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
5085 /* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
5086 /* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
5087 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
5088 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
5089 /* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
5090 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18); /* bit 3,4 masked */
5094 static int bnx2x_init_common(struct bnx2x *bp)
5098 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_FUNC(bp));
5100 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
5101 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
5103 bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END);
5104 if (CHIP_IS_E1H(bp))
5105 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_E1HMF(bp));
5107 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100);
5109 REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0);
5111 bnx2x_init_block(bp, PXP_COMMON_START, PXP_COMMON_END);
5112 if (CHIP_IS_E1(bp)) {
5113 /* enable HW interrupt from PXP on USDM overflow
5114 bit 16 on INT_MASK_0 */
5115 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5118 bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END);
5122 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5123 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5124 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5125 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5126 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
5127 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 1);
5129 /* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5130 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5131 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5132 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5133 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
5136 REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2);
5138 REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5);
5139 REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5);
5140 REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5);
5143 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5144 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
5146 /* let the HW do it's magic ... */
5148 /* finish PXP init */
5149 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5151 BNX2X_ERR("PXP2 CFG failed\n");
5154 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5156 BNX2X_ERR("PXP2 RD_INIT failed\n");
5160 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5161 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
5163 bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END);
5165 /* clean the DMAE memory */
5167 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
5169 bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END);
5170 bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END);
5171 bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END);
5172 bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END);
5174 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5175 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5176 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5177 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5179 bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END);
5180 /* soft reset pulse */
5181 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5182 REG_WR(bp, QM_REG_SOFT_RESET, 0);
5185 bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END);
5188 bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END);
5189 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_SHIFT);
5190 if (!CHIP_REV_IS_SLOW(bp)) {
5191 /* enable hw interrupt from doorbell Q */
5192 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5195 bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END);
5196 if (CHIP_REV_IS_SLOW(bp)) {
5197 /* fix for emulation and FPGA for no pause */
5198 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0, 513);
5199 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_1, 513);
5200 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0, 0);
5201 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_1, 0);
5204 bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END);
5206 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5207 if (CHIP_IS_E1H(bp))
5208 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_E1HMF(bp));
5210 bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END);
5211 bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END);
5212 bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END);
5213 bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END);
5215 if (CHIP_IS_E1H(bp)) {
5216 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5217 STORM_INTMEM_SIZE_E1H/2);
5219 TSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5220 0, STORM_INTMEM_SIZE_E1H/2);
5221 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5222 STORM_INTMEM_SIZE_E1H/2);
5224 CSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5225 0, STORM_INTMEM_SIZE_E1H/2);
5226 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5227 STORM_INTMEM_SIZE_E1H/2);
5229 XSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5230 0, STORM_INTMEM_SIZE_E1H/2);
5231 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5232 STORM_INTMEM_SIZE_E1H/2);
5234 USTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
5235 0, STORM_INTMEM_SIZE_E1H/2);
5237 bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
5238 STORM_INTMEM_SIZE_E1);
5239 bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
5240 STORM_INTMEM_SIZE_E1);
5241 bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
5242 STORM_INTMEM_SIZE_E1);
5243 bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
5244 STORM_INTMEM_SIZE_E1);
5247 bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END);
5248 bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END);
5249 bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END);
5250 bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END);
5253 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5255 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5258 bnx2x_init_block(bp, UPB_COMMON_START, UPB_COMMON_END);
5259 bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END);
5260 bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END);
5262 REG_WR(bp, SRC_REG_SOFT_RST, 1);
5263 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) {
5264 REG_WR(bp, i, 0xc0cac01a);
5265 /* TODO: replace with something meaningful */
5267 if (CHIP_IS_E1H(bp))
5268 bnx2x_init_block(bp, SRCH_COMMON_START, SRCH_COMMON_END);
5269 REG_WR(bp, SRC_REG_SOFT_RST, 0);
5271 if (sizeof(union cdu_context) != 1024)
5272 /* we currently assume that a context is 1024 bytes */
5273 printk(KERN_ALERT PFX "please adjust the size of"
5274 " cdu_context(%ld)\n", (long)sizeof(union cdu_context));
5276 bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END);
5277 val = (4 << 24) + (0 << 12) + 1024;
5278 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
5279 if (CHIP_IS_E1(bp)) {
5280 /* !!! fix pxp client crdit until excel update */
5281 REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264);
5282 REG_WR(bp, CDU_REG_CDU_DEBUG, 0);
5285 bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END);
5286 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
5288 bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END);
5289 bnx2x_init_block(bp, MISC_AEU_COMMON_START, MISC_AEU_COMMON_END);
5291 /* PXPCS COMMON comes here */
5292 /* Reset PCIE errors for debug */
5293 REG_WR(bp, 0x2814, 0xffffffff);
5294 REG_WR(bp, 0x3820, 0xffffffff);
5296 /* EMAC0 COMMON comes here */
5297 /* EMAC1 COMMON comes here */
5298 /* DBU COMMON comes here */
5299 /* DBG COMMON comes here */
5301 bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END);
5302 if (CHIP_IS_E1H(bp)) {
5303 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_E1HMF(bp));
5304 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_E1HMF(bp));
5307 if (CHIP_REV_IS_SLOW(bp))
5310 /* finish CFC init */
5311 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5313 BNX2X_ERR("CFC LL_INIT failed\n");
5316 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5318 BNX2X_ERR("CFC AC_INIT failed\n");
5321 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5323 BNX2X_ERR("CFC CAM_INIT failed\n");
5326 REG_WR(bp, CFC_REG_DEBUG0, 0);
5328 /* read NIG statistic
5329 to see if this is our first up since powerup */
5330 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5331 val = *bnx2x_sp(bp, wb_data[0]);
5333 /* do internal memory self test */
5334 if ((CHIP_IS_E1(bp)) && (val == 0) && bnx2x_int_mem_test(bp)) {
5335 BNX2X_ERR("internal mem self test failed\n");
5339 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
5340 case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G:
5341 /* Fan failure is indicated by SPIO 5 */
5342 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
5343 MISC_REGISTERS_SPIO_INPUT_HI_Z);
5345 /* set to active low mode */
5346 val = REG_RD(bp, MISC_REG_SPIO_INT);
5347 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
5348 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
5349 REG_WR(bp, MISC_REG_SPIO_INT, val);
5351 /* enable interrupt to signal the IGU */
5352 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
5353 val |= (1 << MISC_REGISTERS_SPIO_5);
5354 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
5361 /* clear PXP2 attentions */
5362 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
5364 enable_blocks_attention(bp);
5366 if (bp->flags & TPA_ENABLE_FLAG) {
5367 struct tstorm_eth_tpa_exist tmp = {0};
5371 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET,
5373 REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET + 4,
5377 if (!BP_NOMCP(bp)) {
5378 bnx2x_acquire_phy_lock(bp);
5379 bnx2x_common_init_phy(bp, bp->common.shmem_base);
5380 bnx2x_release_phy_lock(bp);
5382 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5387 static int bnx2x_init_port(struct bnx2x *bp)
5389 int port = BP_PORT(bp);
5392 DP(BNX2X_MSG_MCP, "starting port init port %x\n", port);
5394 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
5396 /* Port PXP comes here */
5397 /* Port PXP2 comes here */
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));
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));
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));
5423 /* Port CMs come here */
5425 /* Port QM comes here */
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);
5430 bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START,
5431 func ? TIMERS_PORT1_END : TIMERS_PORT0_END);
5433 /* Port DQ comes here */
5434 /* Port BRB1 comes here */
5435 /* Port PRS comes here */
5436 /* Port TSDM comes here */
5437 /* Port CSDM comes here */
5438 /* Port USDM comes here */
5439 /* Port XSDM comes here */
5440 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);
5448 /* Port UPB comes here */
5449 /* Port XPB comes here */
5451 bnx2x_init_block(bp, port ? PBF_PORT1_START : PBF_PORT0_START,
5452 port ? PBF_PORT1_END : PBF_PORT0_END);
5454 /* configure PBF to work without PAUSE mtu 9000 */
5455 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
5457 /* update threshold */
5458 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
5459 /* update init credit */
5460 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
5463 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
5465 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
5468 /* tell the searcher where the T2 table is */
5469 REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64);
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);
5478 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10);
5479 /* Port SRCH comes here */
5481 /* Port CDU comes here */
5482 /* Port CFC comes here */
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);
5488 bnx2x_init_block(bp, port ? HC_PORT1_START : HC_PORT0_START,
5489 port ? HC_PORT1_END : HC_PORT0_END);
5491 bnx2x_init_block(bp, port ? MISC_AEU_PORT1_START :
5492 MISC_AEU_PORT0_START,
5493 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));
5501 /* Port PXPCS comes here */
5502 /* Port EMAC0 comes here */
5503 /* Port EMAC1 comes here */
5504 /* Port DBU comes here */
5505 /* Port DBG comes here */
5506 bnx2x_init_block(bp, port ? NIG_PORT1_START : NIG_PORT0_START,
5507 port ? NIG_PORT1_END : NIG_PORT0_END);
5509 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5511 if (CHIP_IS_E1H(bp)) {
5513 struct cmng_struct_per_port m_cmng_port;
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));
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);
5525 for (vn = VN_0; vn < E1HVN_MAX; vn++)
5526 bnx2x_init_vn_minmax(bp, 2*vn + port,
5527 wsum, 10000, &m_cmng_port);
5530 /* Port MCP comes here */
5531 /* Port DMAE comes here */
5533 switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) {
5534 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);
5545 bnx2x__link_reset(bp);
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
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)
5562 #define CNIC_ILT_LINES 0
5564 static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5568 if (CHIP_IS_E1H(bp))
5569 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5571 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
5573 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5576 static int bnx2x_init_func(struct bnx2x *bp)
5578 int port = BP_PORT(bp);
5579 int func = BP_FUNC(bp);
5582 DP(BNX2X_MSG_MCP, "starting func init func %x\n", func);
5584 i = FUNC_ILT_BASE(func);
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);
5591 REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4,
5592 PXP_ILT_RANGE(i, i + CNIC_ILT_LINES));
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]);
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);
5604 /* HC init per function */
5605 if (CHIP_IS_E1H(bp)) {
5606 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5608 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5609 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5611 bnx2x_init_block(bp, hc_limits[func][0], hc_limits[func][1]);
5613 if (CHIP_IS_E1H(bp))
5614 REG_WR(bp, HC_REG_FUNC_NUM_P0 + port*4, func);
5616 /* Reset PCIE errors for debug */
5617 REG_WR(bp, 0x2114, 0xffffffff);
5618 REG_WR(bp, 0x2120, 0xffffffff);
5623 static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5627 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
5628 BP_FUNC(bp), load_code);
5631 mutex_init(&bp->dmae_mutex);
5632 bnx2x_gunzip_init(bp);
5634 switch (load_code) {
5635 case FW_MSG_CODE_DRV_LOAD_COMMON:
5636 rc = bnx2x_init_common(bp);
5641 case FW_MSG_CODE_DRV_LOAD_PORT:
5643 rc = bnx2x_init_port(bp);
5648 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5650 rc = bnx2x_init_func(bp);
5656 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5660 if (!BP_NOMCP(bp)) {
5661 int func = BP_FUNC(bp);
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);
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);
5678 bnx2x_gunzip_end(bp);
5683 /* send the MCP a request, block until there is a reply */
5684 static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
5686 int func = BP_FUNC(bp);
5687 u32 seq = ++bp->fw_seq;
5690 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
5692 SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq));
5693 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
5696 /* let the FW do it's magic ... */
5699 rc = SHMEM_RD(bp, func_mb[func].fw_mb_header);
5701 /* Give the FW up to 2 second (200*10ms) */
5702 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 200));
5704 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
5705 cnt*delay, rc, seq);
5707 /* is this a reply to our command? */
5708 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) {
5709 rc &= FW_MSG_CODE_MASK;
5713 BNX2X_ERR("FW failed to respond!\n");
5721 static void bnx2x_free_mem(struct bnx2x *bp)
5724 #define BNX2X_PCI_FREE(x, y, size) \
5727 pci_free_consistent(bp->pdev, size, x, y); \
5733 #define BNX2X_FREE(x) \
5744 for_each_queue(bp, i) {
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));
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);
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);
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) *
5769 BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
5770 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5771 bnx2x_fp(bp, i, rx_sge_mapping),
5772 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5774 /* end of fastpath */
5776 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
5777 sizeof(struct host_def_status_block));
5779 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
5780 sizeof(struct bnx2x_slowpath));
5783 BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024);
5784 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024);
5785 BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024);
5786 BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024);
5788 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
5790 #undef BNX2X_PCI_FREE
5794 static int bnx2x_alloc_mem(struct bnx2x *bp)
5797 #define BNX2X_PCI_ALLOC(x, y, size) \
5799 x = pci_alloc_consistent(bp->pdev, size, y); \
5801 goto alloc_mem_err; \
5802 memset(x, 0, size); \
5805 #define BNX2X_ALLOC(x, size) \
5807 x = vmalloc(size); \
5809 goto alloc_mem_err; \
5810 memset(x, 0, size); \
5816 for_each_queue(bp, i) {
5817 bnx2x_fp(bp, i, bp) = bp;
5820 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk),
5821 &bnx2x_fp(bp, i, status_blk_mapping),
5822 sizeof(struct host_status_block) +
5823 sizeof(struct eth_tx_db_data));
5825 bnx2x_fp(bp, i, hw_tx_prods) =
5826 (void *)(bnx2x_fp(bp, i, status_blk) + 1);
5828 bnx2x_fp(bp, i, tx_prods_mapping) =
5829 bnx2x_fp(bp, i, status_blk_mapping) +
5830 sizeof(struct host_status_block);
5832 /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
5833 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
5834 sizeof(struct sw_tx_bd) * NUM_TX_BD);
5835 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
5836 &bnx2x_fp(bp, i, tx_desc_mapping),
5837 sizeof(struct eth_tx_bd) * NUM_TX_BD);
5839 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
5840 sizeof(struct sw_rx_bd) * NUM_RX_BD);
5841 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
5842 &bnx2x_fp(bp, i, rx_desc_mapping),
5843 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5845 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
5846 &bnx2x_fp(bp, i, rx_comp_mapping),
5847 sizeof(struct eth_fast_path_rx_cqe) *
5851 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
5852 sizeof(struct sw_rx_page) * NUM_RX_SGE);
5853 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
5854 &bnx2x_fp(bp, i, rx_sge_mapping),
5855 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5857 /* end of fastpath */
5859 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
5860 sizeof(struct host_def_status_block));
5862 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5863 sizeof(struct bnx2x_slowpath));
5866 BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024);
5869 for (i = 0; i < 64*1024; i += 64) {
5870 *(u64 *)((char *)bp->t1 + i + 56) = 0x0UL;
5871 *(u64 *)((char *)bp->t1 + i + 3) = 0x0UL;
5874 /* allocate searcher T2 table
5875 we allocate 1/4 of alloc num for T2
5876 (which is not entered into the ILT) */
5877 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024);
5880 for (i = 0; i < 16*1024; i += 64)
5881 * (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64;
5883 /* now fixup the last line in the block to point to the next block */
5884 *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping;
5886 /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */
5887 BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024);
5889 /* QM queues (128*MAX_CONN) */
5890 BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024);
5893 /* Slow path ring */
5894 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5902 #undef BNX2X_PCI_ALLOC
5906 static void bnx2x_free_tx_skbs(struct bnx2x *bp)
5910 for_each_queue(bp, i) {
5911 struct bnx2x_fastpath *fp = &bp->fp[i];
5913 u16 bd_cons = fp->tx_bd_cons;
5914 u16 sw_prod = fp->tx_pkt_prod;
5915 u16 sw_cons = fp->tx_pkt_cons;
5917 while (sw_cons != sw_prod) {
5918 bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons));
5924 static void bnx2x_free_rx_skbs(struct bnx2x *bp)
5928 for_each_queue(bp, j) {
5929 struct bnx2x_fastpath *fp = &bp->fp[j];
5931 for (i = 0; i < NUM_RX_BD; i++) {
5932 struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i];
5933 struct sk_buff *skb = rx_buf->skb;
5938 pci_unmap_single(bp->pdev,
5939 pci_unmap_addr(rx_buf, mapping),
5940 bp->rx_buf_use_size,
5941 PCI_DMA_FROMDEVICE);
5946 if (!fp->disable_tpa)
5947 bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ?
5948 ETH_MAX_AGGREGATION_QUEUES_E1 :
5949 ETH_MAX_AGGREGATION_QUEUES_E1H);
5953 static void bnx2x_free_skbs(struct bnx2x *bp)
5955 bnx2x_free_tx_skbs(bp);
5956 bnx2x_free_rx_skbs(bp);
5959 static void bnx2x_free_msix_irqs(struct bnx2x *bp)
5963 free_irq(bp->msix_table[0].vector, bp->dev);
5964 DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n",
5965 bp->msix_table[0].vector);
5967 for_each_queue(bp, i) {
5968 DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq "
5969 "state %x\n", i, bp->msix_table[i + offset].vector,
5970 bnx2x_fp(bp, i, state));
5972 if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED)
5973 BNX2X_ERR("IRQ of fp #%d being freed while "
5974 "state != closed\n", i);
5976 free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]);
5980 static void bnx2x_free_irq(struct bnx2x *bp)
5982 if (bp->flags & USING_MSIX_FLAG) {
5983 bnx2x_free_msix_irqs(bp);
5984 pci_disable_msix(bp->pdev);
5985 bp->flags &= ~USING_MSIX_FLAG;
5988 free_irq(bp->pdev->irq, bp->dev);
5991 static int bnx2x_enable_msix(struct bnx2x *bp)
5995 bp->msix_table[0].entry = 0;
5997 DP(NETIF_MSG_IFUP, "msix_table[0].entry = 0 (slowpath)\n");
5999 for_each_queue(bp, i) {
6000 int igu_vec = offset + i + BP_L_ID(bp);
6002 bp->msix_table[i + offset].entry = igu_vec;
6003 DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d "
6004 "(fastpath #%u)\n", i + offset, igu_vec, i);
6007 rc = pci_enable_msix(bp->pdev, &bp->msix_table[0],
6008 bp->num_queues + offset);
6010 DP(NETIF_MSG_IFUP, "MSI-X is not attainable\n");
6013 bp->flags |= USING_MSIX_FLAG;
6018 static int bnx2x_req_msix_irqs(struct bnx2x *bp)
6020 int i, rc, offset = 1;
6022 rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0,
6023 bp->dev->name, bp->dev);
6025 BNX2X_ERR("request sp irq failed\n");
6029 for_each_queue(bp, i) {
6030 rc = request_irq(bp->msix_table[i + offset].vector,
6031 bnx2x_msix_fp_int, 0,
6032 bp->dev->name, &bp->fp[i]);
6034 BNX2X_ERR("request fp #%d irq failed rc -%d\n",
6036 bnx2x_free_msix_irqs(bp);
6040 bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ;
6046 static int bnx2x_req_irq(struct bnx2x *bp)
6050 rc = request_irq(bp->pdev->irq, bnx2x_interrupt, IRQF_SHARED,
6051 bp->dev->name, bp->dev);
6053 bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ;
6059 * Init service functions
6062 static void bnx2x_set_mac_addr_e1(struct bnx2x *bp, int set)
6064 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
6065 int port = BP_PORT(bp);
6068 * unicasts 0-31:port0 32-63:port1
6069 * multicast 64-127:port0 128-191:port1
6071 config->hdr.length_6b = 2;
6072 config->hdr.offset = port ? 31 : 0;
6073 config->hdr.client_id = BP_CL_ID(bp);
6074 config->hdr.reserved1 = 0;
6077 config->config_table[0].cam_entry.msb_mac_addr =
6078 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6079 config->config_table[0].cam_entry.middle_mac_addr =
6080 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6081 config->config_table[0].cam_entry.lsb_mac_addr =
6082 swab16(*(u16 *)&bp->dev->dev_addr[4]);
6083 config->config_table[0].cam_entry.flags = cpu_to_le16(port);
6085 config->config_table[0].target_table_entry.flags = 0;
6087 CAM_INVALIDATE(config->config_table[0]);
6088 config->config_table[0].target_table_entry.client_id = 0;
6089 config->config_table[0].target_table_entry.vlan_id = 0;
6091 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)\n",
6092 (set ? "setting" : "clearing"),
6093 config->config_table[0].cam_entry.msb_mac_addr,
6094 config->config_table[0].cam_entry.middle_mac_addr,
6095 config->config_table[0].cam_entry.lsb_mac_addr);
6098 config->config_table[1].cam_entry.msb_mac_addr = 0xffff;
6099 config->config_table[1].cam_entry.middle_mac_addr = 0xffff;
6100 config->config_table[1].cam_entry.lsb_mac_addr = 0xffff;
6101 config->config_table[1].cam_entry.flags = cpu_to_le16(port);
6103 config->config_table[1].target_table_entry.flags =
6104 TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST;
6106 CAM_INVALIDATE(config->config_table[1]);
6107 config->config_table[1].target_table_entry.client_id = 0;
6108 config->config_table[1].target_table_entry.vlan_id = 0;
6110 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6111 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6112 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6115 static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp, int set)
6117 struct mac_configuration_cmd_e1h *config =
6118 (struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config);
6120 if (set && (bp->state != BNX2X_STATE_OPEN)) {
6121 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
6125 /* CAM allocation for E1H
6126 * unicasts: by func number
6127 * multicast: 20+FUNC*20, 20 each
6129 config->hdr.length_6b = 1;
6130 config->hdr.offset = BP_FUNC(bp);
6131 config->hdr.client_id = BP_CL_ID(bp);
6132 config->hdr.reserved1 = 0;
6135 config->config_table[0].msb_mac_addr =
6136 swab16(*(u16 *)&bp->dev->dev_addr[0]);
6137 config->config_table[0].middle_mac_addr =
6138 swab16(*(u16 *)&bp->dev->dev_addr[2]);
6139 config->config_table[0].lsb_mac_addr =
6140 swab16(*(u16 *)&bp->dev->dev_addr[4]);
6141 config->config_table[0].client_id = BP_L_ID(bp);
6142 config->config_table[0].vlan_id = 0;
6143 config->config_table[0].e1hov_id = cpu_to_le16(bp->e1hov);
6145 config->config_table[0].flags = BP_PORT(bp);
6147 config->config_table[0].flags =
6148 MAC_CONFIGURATION_ENTRY_E1H_ACTION_TYPE;
6150 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) E1HOV %d CLID %d\n",
6151 (set ? "setting" : "clearing"),
6152 config->config_table[0].msb_mac_addr,
6153 config->config_table[0].middle_mac_addr,
6154 config->config_table[0].lsb_mac_addr, bp->e1hov, BP_L_ID(bp));
6156 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6157 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6158 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
6161 static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6162 int *state_p, int poll)
6164 /* can take a while if any port is running */
6167 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6168 poll ? "polling" : "waiting", state, idx);
6173 bnx2x_rx_int(bp->fp, 10);
6174 /* if index is different from 0
6175 * the reply for some commands will
6176 * be on the non default queue
6179 bnx2x_rx_int(&bp->fp[idx], 10);
6182 mb(); /* state is changed by bnx2x_sp_event() */
6183 if (*state_p == state)
6190 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6191 poll ? "polling" : "waiting", state, idx);
6192 #ifdef BNX2X_STOP_ON_ERROR
6199 static int bnx2x_setup_leading(struct bnx2x *bp)
6203 /* reset IGU state */
6204 bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
6207 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0);
6209 /* Wait for completion */
6210 rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0);
6215 static int bnx2x_setup_multi(struct bnx2x *bp, int index)
6217 /* reset IGU state */
6218 bnx2x_ack_sb(bp, bp->fp[index].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
6221 bp->fp[index].state = BNX2X_FP_STATE_OPENING;
6222 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0);
6224 /* Wait for completion */
6225 return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index,
6226 &(bp->fp[index].state), 0);
6229 static int bnx2x_poll(struct napi_struct *napi, int budget);
6230 static void bnx2x_set_rx_mode(struct net_device *dev);
6232 /* must be called with rtnl_lock */
6233 static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
6237 #ifdef BNX2X_STOP_ON_ERROR
6238 if (unlikely(bp->panic))
6242 bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;
6244 /* Send LOAD_REQUEST command to MCP
6245 Returns the type of LOAD command:
6246 if it is the first port to be initialized
6247 common blocks should be initialized, otherwise - not
6249 if (!BP_NOMCP(bp)) {
6250 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ);
6252 BNX2X_ERR("MCP response failure, aborting\n");
6255 if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED)
6256 return -EBUSY; /* other port in diagnostic mode */
6259 int port = BP_PORT(bp);
6261 DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n",
6262 load_count[0], load_count[1], load_count[2]);
6264 load_count[1 + port]++;
6265 DP(NETIF_MSG_IFUP, "NO MCP new load counts %d, %d, %d\n",
6266 load_count[0], load_count[1], load_count[2]);
6267 if (load_count[0] == 1)
6268 load_code = FW_MSG_CODE_DRV_LOAD_COMMON;
6269 else if (load_count[1 + port] == 1)
6270 load_code = FW_MSG_CODE_DRV_LOAD_PORT;
6272 load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION;
6275 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) ||
6276 (load_code == FW_MSG_CODE_DRV_LOAD_PORT))
6280 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
6282 /* if we can't use MSI-X we only need one fp,
6283 * so try to enable MSI-X with the requested number of fp's
6284 * and fallback to inta with one fp
6290 if ((use_multi > 1) && (use_multi <= BP_MAX_QUEUES(bp)))
6291 /* user requested number */
6292 bp->num_queues = use_multi;
6295 bp->num_queues = min_t(u32, num_online_cpus(),
6300 if (bnx2x_enable_msix(bp)) {
6301 /* failed to enable MSI-X */
6304 BNX2X_ERR("Multi requested but failed"
6305 " to enable MSI-X\n");
6309 "set number of queues to %d\n", bp->num_queues);
6311 if (bnx2x_alloc_mem(bp))
6314 for_each_queue(bp, i)
6315 bnx2x_fp(bp, i, disable_tpa) =
6316 ((bp->flags & TPA_ENABLE_FLAG) == 0);
6318 if (bp->flags & USING_MSIX_FLAG) {
6319 rc = bnx2x_req_msix_irqs(bp);
6321 pci_disable_msix(bp->pdev);
6326 rc = bnx2x_req_irq(bp);
6328 BNX2X_ERR("IRQ request failed, aborting\n");
6333 for_each_queue(bp, i)
6334 netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
6338 rc = bnx2x_init_hw(bp, load_code);
6340 BNX2X_ERR("HW init failed, aborting\n");
6344 /* Setup NIC internals and enable interrupts */
6345 bnx2x_nic_init(bp, load_code);
6347 /* Send LOAD_DONE command to MCP */
6348 if (!BP_NOMCP(bp)) {
6349 load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE);
6351 BNX2X_ERR("MCP response failure, aborting\n");
6353 goto load_int_disable;
6357 bnx2x_stats_init(bp);
6359 bp->state = BNX2X_STATE_OPENING_WAIT4_PORT;
6361 /* Enable Rx interrupt handling before sending the ramrod
6362 as it's completed on Rx FP queue */
6363 for_each_queue(bp, i)
6364 napi_enable(&bnx2x_fp(bp, i, napi));
6366 /* Enable interrupt handling */
6367 atomic_set(&bp->intr_sem, 0);
6369 rc = bnx2x_setup_leading(bp);
6371 BNX2X_ERR("Setup leading failed!\n");
6372 goto load_stop_netif;
6375 if (CHIP_IS_E1H(bp))
6376 if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) {
6377 BNX2X_ERR("!!! mf_cfg function disabled\n");
6378 bp->state = BNX2X_STATE_DISABLED;
6381 if (bp->state == BNX2X_STATE_OPEN)
6382 for_each_nondefault_queue(bp, i) {
6383 rc = bnx2x_setup_multi(bp, i);
6385 goto load_stop_netif;
6389 bnx2x_set_mac_addr_e1(bp, 1);
6391 bnx2x_set_mac_addr_e1h(bp, 1);
6394 bnx2x_initial_phy_init(bp);
6396 /* Start fast path */
6397 switch (load_mode) {
6399 /* Tx queue should be only reenabled */
6400 netif_wake_queue(bp->dev);
6401 bnx2x_set_rx_mode(bp->dev);
6405 netif_start_queue(bp->dev);
6406 bnx2x_set_rx_mode(bp->dev);
6407 if (bp->flags & USING_MSIX_FLAG)
6408 printk(KERN_INFO PFX "%s: using MSI-X\n",
6413 bnx2x_set_rx_mode(bp->dev);
6414 bp->state = BNX2X_STATE_DIAG;
6422 bnx2x__link_status_update(bp);
6424 /* start the timer */
6425 mod_timer(&bp->timer, jiffies + bp->current_interval);
6431 for_each_queue(bp, i)
6432 napi_disable(&bnx2x_fp(bp, i, napi));
6435 bnx2x_int_disable_sync(bp);
6440 /* Free SKBs, SGEs, TPA pool and driver internals */
6441 bnx2x_free_skbs(bp);
6442 for_each_queue(bp, i)
6443 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
6447 /* TBD we really need to reset the chip
6448 if we want to recover from this */
6452 static int bnx2x_stop_multi(struct bnx2x *bp, int index)
6456 /* halt the connection */
6457 bp->fp[index].state = BNX2X_FP_STATE_HALTING;
6458 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, 0, 0);
6460 /* Wait for completion */
6461 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index,
6462 &(bp->fp[index].state), 1);
6463 if (rc) /* timeout */
6466 /* delete cfc entry */
6467 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1);
6469 /* Wait for completion */
6470 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index,
6471 &(bp->fp[index].state), 1);
6475 static int bnx2x_stop_leading(struct bnx2x *bp)
6477 u16 dsb_sp_prod_idx;
6478 /* if the other port is handling traffic,
6479 this can take a lot of time */
6485 /* Send HALT ramrod */
6486 bp->fp[0].state = BNX2X_FP_STATE_HALTING;
6487 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, BP_CL_ID(bp), 0);
6489 /* Wait for completion */
6490 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0,
6491 &(bp->fp[0].state), 1);
6492 if (rc) /* timeout */
6495 dsb_sp_prod_idx = *bp->dsb_sp_prod;
6497 /* Send PORT_DELETE ramrod */
6498 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1);
6500 /* Wait for completion to arrive on default status block
6501 we are going to reset the chip anyway
6502 so there is not much to do if this times out
6504 while (dsb_sp_prod_idx == *bp->dsb_sp_prod) {
6506 DP(NETIF_MSG_IFDOWN, "timeout waiting for port del "
6507 "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n",
6508 *bp->dsb_sp_prod, dsb_sp_prod_idx);
6509 #ifdef BNX2X_STOP_ON_ERROR
6519 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
6520 bp->fp[0].state = BNX2X_FP_STATE_CLOSED;
6525 static void bnx2x_reset_func(struct bnx2x *bp)
6527 int port = BP_PORT(bp);
6528 int func = BP_FUNC(bp);
6532 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6533 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6535 REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000);
6538 base = FUNC_ILT_BASE(func);
6539 for (i = base; i < base + ILT_PER_FUNC; i++)
6540 bnx2x_ilt_wr(bp, i, 0);
6543 static void bnx2x_reset_port(struct bnx2x *bp)
6545 int port = BP_PORT(bp);
6548 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6550 /* Do not rcv packets to BRB */
6551 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6552 /* Do not direct rcv packets that are not for MCP to the BRB */
6553 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6554 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6557 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6560 /* Check for BRB port occupancy */
6561 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6563 DP(NETIF_MSG_IFDOWN,
6564 "BRB1 is not empty %d blocks are occupied\n", val);
6566 /* TODO: Close Doorbell port? */
6569 static void bnx2x_reset_common(struct bnx2x *bp)
6572 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6574 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
6577 static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6579 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
6580 BP_FUNC(bp), reset_code);
6582 switch (reset_code) {
6583 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
6584 bnx2x_reset_port(bp);
6585 bnx2x_reset_func(bp);
6586 bnx2x_reset_common(bp);
6589 case FW_MSG_CODE_DRV_UNLOAD_PORT:
6590 bnx2x_reset_port(bp);
6591 bnx2x_reset_func(bp);
6594 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
6595 bnx2x_reset_func(bp);
6599 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
6604 /* must be called with rtnl_lock */
6605 static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
6607 int port = BP_PORT(bp);
6611 bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;
6613 bp->rx_mode = BNX2X_RX_MODE_NONE;
6614 bnx2x_set_storm_rx_mode(bp);
6616 if (netif_running(bp->dev)) {
6617 netif_tx_disable(bp->dev);
6618 bp->dev->trans_start = jiffies; /* prevent tx timeout */
6621 del_timer_sync(&bp->timer);
6622 SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb,
6623 (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq));
6624 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
6626 /* Wait until tx fast path tasks complete */
6627 for_each_queue(bp, i) {
6628 struct bnx2x_fastpath *fp = &bp->fp[i];
6632 while (BNX2X_HAS_TX_WORK(fp)) {
6634 if (!netif_running(bp->dev))
6635 bnx2x_tx_int(fp, 1000);
6638 BNX2X_ERR("timeout waiting for queue[%d]\n",
6640 #ifdef BNX2X_STOP_ON_ERROR
6653 /* Give HW time to discard old tx messages */
6656 for_each_queue(bp, i)
6657 napi_disable(&bnx2x_fp(bp, i, napi));
6658 /* Disable interrupts after Tx and Rx are disabled on stack level */
6659 bnx2x_int_disable_sync(bp);
6664 if (unload_mode == UNLOAD_NORMAL)
6665 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6667 else if (bp->flags & NO_WOL_FLAG) {
6668 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
6669 if (CHIP_IS_E1H(bp))
6670 REG_WR(bp, MISC_REG_E1HMF_MODE, 0);
6672 } else if (bp->wol) {
6673 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
6674 u8 *mac_addr = bp->dev->dev_addr;
6676 /* The mac address is written to entries 1-4 to
6677 preserve entry 0 which is used by the PMF */
6678 u8 entry = (BP_E1HVN(bp) + 1)*8;
6680 val = (mac_addr[0] << 8) | mac_addr[1];
6681 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
6683 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
6684 (mac_addr[4] << 8) | mac_addr[5];
6685 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
6687 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
6690 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6692 if (CHIP_IS_E1(bp)) {
6693 struct mac_configuration_cmd *config =
6694 bnx2x_sp(bp, mcast_config);
6696 bnx2x_set_mac_addr_e1(bp, 0);
6698 for (i = 0; i < config->hdr.length_6b; i++)
6699 CAM_INVALIDATE(config->config_table[i]);
6701 config->hdr.length_6b = i;
6702 if (CHIP_REV_IS_SLOW(bp))
6703 config->hdr.offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
6705 config->hdr.offset = BNX2X_MAX_MULTICAST*(1 + port);
6706 config->hdr.client_id = BP_CL_ID(bp);
6707 config->hdr.reserved1 = 0;
6709 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
6710 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
6711 U64_LO(bnx2x_sp_mapping(bp, mcast_config)), 0);
6714 bnx2x_set_mac_addr_e1h(bp, 0);
6716 for (i = 0; i < MC_HASH_SIZE; i++)
6717 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
6720 if (CHIP_IS_E1H(bp))
6721 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
6723 /* Close multi and leading connections
6724 Completions for ramrods are collected in a synchronous way */
6725 for_each_nondefault_queue(bp, i)
6726 if (bnx2x_stop_multi(bp, i))
6729 rc = bnx2x_stop_leading(bp);
6731 BNX2X_ERR("Stop leading failed!\n");
6732 #ifdef BNX2X_STOP_ON_ERROR
6741 reset_code = bnx2x_fw_command(bp, reset_code);
6743 DP(NETIF_MSG_IFDOWN, "NO MCP load counts %d, %d, %d\n",
6744 load_count[0], load_count[1], load_count[2]);
6746 load_count[1 + port]--;
6747 DP(NETIF_MSG_IFDOWN, "NO MCP new load counts %d, %d, %d\n",
6748 load_count[0], load_count[1], load_count[2]);
6749 if (load_count[0] == 0)
6750 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
6751 else if (load_count[1 + port] == 0)
6752 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
6754 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
6757 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
6758 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
6759 bnx2x__link_reset(bp);
6761 /* Reset the chip */
6762 bnx2x_reset_chip(bp, reset_code);
6764 /* Report UNLOAD_DONE to MCP */
6766 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6768 /* Free SKBs, SGEs, TPA pool and driver internals */
6769 bnx2x_free_skbs(bp);
6770 for_each_queue(bp, i)
6771 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
6774 bp->state = BNX2X_STATE_CLOSED;
6776 netif_carrier_off(bp->dev);
6781 static void bnx2x_reset_task(struct work_struct *work)
6783 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task);
6785 #ifdef BNX2X_STOP_ON_ERROR
6786 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
6787 " so reset not done to allow debug dump,\n"
6788 KERN_ERR " you will need to reboot when done\n");
6794 if (!netif_running(bp->dev))
6795 goto reset_task_exit;
6797 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
6798 bnx2x_nic_load(bp, LOAD_NORMAL);
6804 /* end of nic load/unload */
6809 * Init service functions
6812 static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
6816 /* Check if there is any driver already loaded */
6817 val = REG_RD(bp, MISC_REG_UNPREPARED);
6819 /* Check if it is the UNDI driver
6820 * UNDI driver initializes CID offset for normal bell to 0x7
6822 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
6823 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
6825 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6827 int func = BP_FUNC(bp);
6831 BNX2X_DEV_INFO("UNDI is active! reset device\n");
6833 /* try unload UNDI on port 0 */
6836 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6837 DRV_MSG_SEQ_NUMBER_MASK);
6838 reset_code = bnx2x_fw_command(bp, reset_code);
6840 /* if UNDI is loaded on the other port */
6841 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
6843 /* send "DONE" for previous unload */
6844 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6846 /* unload UNDI on port 1 */
6849 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6850 DRV_MSG_SEQ_NUMBER_MASK);
6851 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
6853 bnx2x_fw_command(bp, reset_code);
6856 REG_WR(bp, (BP_PORT(bp) ? HC_REG_CONFIG_1 :
6857 HC_REG_CONFIG_0), 0x1000);
6859 /* close input traffic and wait for it */
6860 /* Do not rcv packets to BRB */
6862 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
6863 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
6864 /* Do not direct rcv packets that are not for MCP to
6867 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
6868 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6871 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
6872 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
6875 /* save NIG port swap info */
6876 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
6877 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
6880 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
6883 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
6885 /* take the NIG out of reset and restore swap values */
6887 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
6888 MISC_REGISTERS_RESET_REG_1_RST_NIG);
6889 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
6890 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
6892 /* send unload done to the MCP */
6893 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
6895 /* restore our func and fw_seq */
6898 (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
6899 DRV_MSG_SEQ_NUMBER_MASK);
6901 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
6905 static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
6907 u32 val, val2, val3, val4, id;
6910 /* Get the chip revision id and number. */
6911 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
6912 val = REG_RD(bp, MISC_REG_CHIP_NUM);
6913 id = ((val & 0xffff) << 16);
6914 val = REG_RD(bp, MISC_REG_CHIP_REV);
6915 id |= ((val & 0xf) << 12);
6916 val = REG_RD(bp, MISC_REG_CHIP_METAL);
6917 id |= ((val & 0xff) << 4);
6918 REG_RD(bp, MISC_REG_BOND_ID);
6920 bp->common.chip_id = id;
6921 bp->link_params.chip_id = bp->common.chip_id;
6922 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
6924 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
6925 bp->common.flash_size = (NVRAM_1MB_SIZE <<
6926 (val & MCPR_NVM_CFG4_FLASH_SIZE));
6927 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
6928 bp->common.flash_size, bp->common.flash_size);
6930 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
6931 bp->link_params.shmem_base = bp->common.shmem_base;
6932 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
6934 if (!bp->common.shmem_base ||
6935 (bp->common.shmem_base < 0xA0000) ||
6936 (bp->common.shmem_base >= 0xC0000)) {
6937 BNX2X_DEV_INFO("MCP not active\n");
6938 bp->flags |= NO_MCP_FLAG;
6942 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
6943 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6944 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
6945 BNX2X_ERR("BAD MCP validity signature\n");
6947 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
6948 bp->common.board = SHMEM_RD(bp, dev_info.shared_hw_config.board);
6950 BNX2X_DEV_INFO("hw_config 0x%08x board 0x%08x\n",
6951 bp->common.hw_config, bp->common.board);
6953 bp->link_params.hw_led_mode = ((bp->common.hw_config &
6954 SHARED_HW_CFG_LED_MODE_MASK) >>
6955 SHARED_HW_CFG_LED_MODE_SHIFT);
6957 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
6958 bp->common.bc_ver = val;
6959 BNX2X_DEV_INFO("bc_ver %X\n", val);
6960 if (val < BNX2X_BC_VER) {
6961 /* for now only warn
6962 * later we might need to enforce this */
6963 BNX2X_ERR("This driver needs bc_ver %X but found %X,"
6964 " please upgrade BC\n", BNX2X_BC_VER, val);
6967 if (BP_E1HVN(bp) == 0) {
6968 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
6969 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
6971 /* no WOL capability for E1HVN != 0 */
6972 bp->flags |= NO_WOL_FLAG;
6974 BNX2X_DEV_INFO("%sWoL capable\n",
6975 (bp->flags & NO_WOL_FLAG) ? "Not " : "");
6977 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
6978 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
6979 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
6980 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
6982 printk(KERN_INFO PFX "part number %X-%X-%X-%X\n",
6983 val, val2, val3, val4);
6986 static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
6989 int port = BP_PORT(bp);
6992 switch (switch_cfg) {
6994 BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg);
6997 SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
6998 switch (ext_phy_type) {
6999 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
7000 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7003 bp->port.supported |= (SUPPORTED_10baseT_Half |
7004 SUPPORTED_10baseT_Full |
7005 SUPPORTED_100baseT_Half |
7006 SUPPORTED_100baseT_Full |
7007 SUPPORTED_1000baseT_Full |
7008 SUPPORTED_2500baseX_Full |
7013 SUPPORTED_Asym_Pause);
7016 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
7017 BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n",
7020 bp->port.supported |= (SUPPORTED_10baseT_Half |
7021 SUPPORTED_10baseT_Full |
7022 SUPPORTED_100baseT_Half |
7023 SUPPORTED_100baseT_Full |
7024 SUPPORTED_1000baseT_Full |
7029 SUPPORTED_Asym_Pause);
7033 BNX2X_ERR("NVRAM config error. "
7034 "BAD SerDes ext_phy_config 0x%x\n",
7035 bp->link_params.ext_phy_config);
7039 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
7041 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
7044 case SWITCH_CFG_10G:
7045 BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg);
7048 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7049 switch (ext_phy_type) {
7050 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7051 BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
7054 bp->port.supported |= (SUPPORTED_10baseT_Half |
7055 SUPPORTED_10baseT_Full |
7056 SUPPORTED_100baseT_Half |
7057 SUPPORTED_100baseT_Full |
7058 SUPPORTED_1000baseT_Full |
7059 SUPPORTED_2500baseX_Full |
7060 SUPPORTED_10000baseT_Full |
7065 SUPPORTED_Asym_Pause);
7068 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7069 BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n",
7072 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7075 SUPPORTED_Asym_Pause);
7078 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7079 BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n",
7082 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7083 SUPPORTED_1000baseT_Full |
7086 SUPPORTED_Asym_Pause);
7089 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
7090 BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n",
7093 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7094 SUPPORTED_1000baseT_Full |
7098 SUPPORTED_Asym_Pause);
7101 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
7102 BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n",
7105 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7106 SUPPORTED_2500baseX_Full |
7107 SUPPORTED_1000baseT_Full |
7111 SUPPORTED_Asym_Pause);
7114 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7115 BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n",
7118 bp->port.supported |= (SUPPORTED_10000baseT_Full |
7122 SUPPORTED_Asym_Pause);
7125 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7126 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7127 bp->link_params.ext_phy_config);
7131 BNX2X_ERR("NVRAM config error. "
7132 "BAD XGXS ext_phy_config 0x%x\n",
7133 bp->link_params.ext_phy_config);
7137 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
7139 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
7144 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
7145 bp->port.link_config);
7148 bp->link_params.phy_addr = bp->port.phy_addr;
7150 /* mask what we support according to speed_cap_mask */
7151 if (!(bp->link_params.speed_cap_mask &
7152 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
7153 bp->port.supported &= ~SUPPORTED_10baseT_Half;
7155 if (!(bp->link_params.speed_cap_mask &
7156 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
7157 bp->port.supported &= ~SUPPORTED_10baseT_Full;
7159 if (!(bp->link_params.speed_cap_mask &
7160 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
7161 bp->port.supported &= ~SUPPORTED_100baseT_Half;
7163 if (!(bp->link_params.speed_cap_mask &
7164 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
7165 bp->port.supported &= ~SUPPORTED_100baseT_Full;
7167 if (!(bp->link_params.speed_cap_mask &
7168 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
7169 bp->port.supported &= ~(SUPPORTED_1000baseT_Half |
7170 SUPPORTED_1000baseT_Full);
7172 if (!(bp->link_params.speed_cap_mask &
7173 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
7174 bp->port.supported &= ~SUPPORTED_2500baseX_Full;
7176 if (!(bp->link_params.speed_cap_mask &
7177 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
7178 bp->port.supported &= ~SUPPORTED_10000baseT_Full;
7180 BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported);
7183 static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
7185 bp->link_params.req_duplex = DUPLEX_FULL;
7187 switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) {
7188 case PORT_FEATURE_LINK_SPEED_AUTO:
7189 if (bp->port.supported & SUPPORTED_Autoneg) {
7190 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7191 bp->port.advertising = bp->port.supported;
7194 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7196 if ((ext_phy_type ==
7197 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
7199 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) {
7200 /* force 10G, no AN */
7201 bp->link_params.req_line_speed = SPEED_10000;
7202 bp->port.advertising =
7203 (ADVERTISED_10000baseT_Full |
7207 BNX2X_ERR("NVRAM config error. "
7208 "Invalid link_config 0x%x"
7209 " Autoneg not supported\n",
7210 bp->port.link_config);
7215 case PORT_FEATURE_LINK_SPEED_10M_FULL:
7216 if (bp->port.supported & SUPPORTED_10baseT_Full) {
7217 bp->link_params.req_line_speed = SPEED_10;
7218 bp->port.advertising = (ADVERTISED_10baseT_Full |
7221 BNX2X_ERR("NVRAM config error. "
7222 "Invalid link_config 0x%x"
7223 " speed_cap_mask 0x%x\n",
7224 bp->port.link_config,
7225 bp->link_params.speed_cap_mask);
7230 case PORT_FEATURE_LINK_SPEED_10M_HALF:
7231 if (bp->port.supported & SUPPORTED_10baseT_Half) {
7232 bp->link_params.req_line_speed = SPEED_10;
7233 bp->link_params.req_duplex = DUPLEX_HALF;
7234 bp->port.advertising = (ADVERTISED_10baseT_Half |
7237 BNX2X_ERR("NVRAM config error. "
7238 "Invalid link_config 0x%x"
7239 " speed_cap_mask 0x%x\n",
7240 bp->port.link_config,
7241 bp->link_params.speed_cap_mask);
7246 case PORT_FEATURE_LINK_SPEED_100M_FULL:
7247 if (bp->port.supported & SUPPORTED_100baseT_Full) {
7248 bp->link_params.req_line_speed = SPEED_100;
7249 bp->port.advertising = (ADVERTISED_100baseT_Full |
7252 BNX2X_ERR("NVRAM config error. "
7253 "Invalid link_config 0x%x"
7254 " speed_cap_mask 0x%x\n",
7255 bp->port.link_config,
7256 bp->link_params.speed_cap_mask);
7261 case PORT_FEATURE_LINK_SPEED_100M_HALF:
7262 if (bp->port.supported & SUPPORTED_100baseT_Half) {
7263 bp->link_params.req_line_speed = SPEED_100;
7264 bp->link_params.req_duplex = DUPLEX_HALF;
7265 bp->port.advertising = (ADVERTISED_100baseT_Half |
7268 BNX2X_ERR("NVRAM config error. "
7269 "Invalid link_config 0x%x"
7270 " speed_cap_mask 0x%x\n",
7271 bp->port.link_config,
7272 bp->link_params.speed_cap_mask);
7277 case PORT_FEATURE_LINK_SPEED_1G:
7278 if (bp->port.supported & SUPPORTED_1000baseT_Full) {
7279 bp->link_params.req_line_speed = SPEED_1000;
7280 bp->port.advertising = (ADVERTISED_1000baseT_Full |
7283 BNX2X_ERR("NVRAM config error. "
7284 "Invalid link_config 0x%x"
7285 " speed_cap_mask 0x%x\n",
7286 bp->port.link_config,
7287 bp->link_params.speed_cap_mask);
7292 case PORT_FEATURE_LINK_SPEED_2_5G:
7293 if (bp->port.supported & SUPPORTED_2500baseX_Full) {
7294 bp->link_params.req_line_speed = SPEED_2500;
7295 bp->port.advertising = (ADVERTISED_2500baseX_Full |
7298 BNX2X_ERR("NVRAM config error. "
7299 "Invalid link_config 0x%x"
7300 " speed_cap_mask 0x%x\n",
7301 bp->port.link_config,
7302 bp->link_params.speed_cap_mask);
7307 case PORT_FEATURE_LINK_SPEED_10G_CX4:
7308 case PORT_FEATURE_LINK_SPEED_10G_KX4:
7309 case PORT_FEATURE_LINK_SPEED_10G_KR:
7310 if (bp->port.supported & SUPPORTED_10000baseT_Full) {
7311 bp->link_params.req_line_speed = SPEED_10000;
7312 bp->port.advertising = (ADVERTISED_10000baseT_Full |
7315 BNX2X_ERR("NVRAM config error. "
7316 "Invalid link_config 0x%x"
7317 " speed_cap_mask 0x%x\n",
7318 bp->port.link_config,
7319 bp->link_params.speed_cap_mask);
7325 BNX2X_ERR("NVRAM config error. "
7326 "BAD link speed link_config 0x%x\n",
7327 bp->port.link_config);
7328 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7329 bp->port.advertising = bp->port.supported;
7333 bp->link_params.req_flow_ctrl = (bp->port.link_config &
7334 PORT_FEATURE_FLOW_CONTROL_MASK);
7335 if ((bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
7336 !(bp->port.supported & SUPPORTED_Autoneg))
7337 bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
7339 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl 0x%x"
7340 " advertising 0x%x\n",
7341 bp->link_params.req_line_speed,
7342 bp->link_params.req_duplex,
7343 bp->link_params.req_flow_ctrl, bp->port.advertising);
7346 static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
7348 int port = BP_PORT(bp);
7351 bp->link_params.bp = bp;
7352 bp->link_params.port = port;
7354 bp->link_params.serdes_config =
7355 SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config);
7356 bp->link_params.lane_config =
7357 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
7358 bp->link_params.ext_phy_config =
7360 dev_info.port_hw_config[port].external_phy_config);
7361 bp->link_params.speed_cap_mask =
7363 dev_info.port_hw_config[port].speed_capability_mask);
7365 bp->port.link_config =
7366 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
7368 BNX2X_DEV_INFO("serdes_config 0x%08x lane_config 0x%08x\n"
7369 KERN_INFO " ext_phy_config 0x%08x speed_cap_mask 0x%08x"
7370 " link_config 0x%08x\n",
7371 bp->link_params.serdes_config,
7372 bp->link_params.lane_config,
7373 bp->link_params.ext_phy_config,
7374 bp->link_params.speed_cap_mask, bp->port.link_config);
7376 bp->link_params.switch_cfg = (bp->port.link_config &
7377 PORT_FEATURE_CONNECTED_SWITCH_MASK);
7378 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
7380 bnx2x_link_settings_requested(bp);
7382 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
7383 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
7384 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7385 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7386 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7387 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7388 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7389 bp->dev->dev_addr[5] = (u8)(val & 0xff);
7390 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
7391 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7394 static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
7396 int func = BP_FUNC(bp);
7400 bnx2x_get_common_hwinfo(bp);
7404 if (CHIP_IS_E1H(bp)) {
7406 SHMEM_RD(bp, mf_cfg.func_mf_config[func].config);
7408 val = (SHMEM_RD(bp, mf_cfg.func_mf_config[func].e1hov_tag) &
7409 FUNC_MF_CFG_E1HOV_TAG_MASK);
7410 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
7414 BNX2X_DEV_INFO("MF mode E1HOV for func %d is %d "
7416 func, bp->e1hov, bp->e1hov);
7418 BNX2X_DEV_INFO("Single function mode\n");
7420 BNX2X_ERR("!!! No valid E1HOV for func %d,"
7421 " aborting\n", func);
7427 if (!BP_NOMCP(bp)) {
7428 bnx2x_get_port_hwinfo(bp);
7430 bp->fw_seq = (SHMEM_RD(bp, func_mb[func].drv_mb_header) &
7431 DRV_MSG_SEQ_NUMBER_MASK);
7432 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
7436 val2 = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_upper);
7437 val = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_lower);
7438 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
7439 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) {
7440 bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
7441 bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
7442 bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
7443 bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
7444 bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff);
7445 bp->dev->dev_addr[5] = (u8)(val & 0xff);
7446 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr,
7448 memcpy(bp->dev->perm_addr, bp->dev->dev_addr,
7456 /* only supposed to happen on emulation/FPGA */
7457 BNX2X_ERR("warning random MAC workaround active\n");
7458 random_ether_addr(bp->dev->dev_addr);
7459 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
7465 static int __devinit bnx2x_init_bp(struct bnx2x *bp)
7467 int func = BP_FUNC(bp);
7470 /* Disable interrupt handling until HW is initialized */
7471 atomic_set(&bp->intr_sem, 1);
7473 mutex_init(&bp->port.phy_mutex);
7475 INIT_WORK(&bp->sp_task, bnx2x_sp_task);
7476 INIT_WORK(&bp->reset_task, bnx2x_reset_task);
7478 rc = bnx2x_get_hwinfo(bp);
7480 /* need to reset chip if undi was active */
7482 bnx2x_undi_unload(bp);
7484 if (CHIP_REV_IS_FPGA(bp))
7485 printk(KERN_ERR PFX "FPGA detected\n");
7487 if (BP_NOMCP(bp) && (func == 0))
7489 "MCP disabled, must load devices in order!\n");
7493 bp->flags &= ~TPA_ENABLE_FLAG;
7494 bp->dev->features &= ~NETIF_F_LRO;
7496 bp->flags |= TPA_ENABLE_FLAG;
7497 bp->dev->features |= NETIF_F_LRO;
7501 bp->tx_ring_size = MAX_TX_AVAIL;
7502 bp->rx_ring_size = MAX_RX_AVAIL;
7510 bp->timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
7511 bp->current_interval = (poll ? poll : bp->timer_interval);
7513 init_timer(&bp->timer);
7514 bp->timer.expires = jiffies + bp->current_interval;
7515 bp->timer.data = (unsigned long) bp;
7516 bp->timer.function = bnx2x_timer;
7522 * ethtool service functions
7525 /* All ethtool functions called with rtnl_lock */
7527 static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7529 struct bnx2x *bp = netdev_priv(dev);
7531 cmd->supported = bp->port.supported;
7532 cmd->advertising = bp->port.advertising;
7534 if (netif_carrier_ok(dev)) {
7535 cmd->speed = bp->link_vars.line_speed;
7536 cmd->duplex = bp->link_vars.duplex;
7538 cmd->speed = bp->link_params.req_line_speed;
7539 cmd->duplex = bp->link_params.req_duplex;
7544 vn_max_rate = ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >>
7545 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
7546 if (vn_max_rate < cmd->speed)
7547 cmd->speed = vn_max_rate;
7550 if (bp->link_params.switch_cfg == SWITCH_CFG_10G) {
7552 XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
7554 switch (ext_phy_type) {
7555 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7556 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7557 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7558 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
7559 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
7560 cmd->port = PORT_FIBRE;
7563 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7564 cmd->port = PORT_TP;
7567 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7568 BNX2X_ERR("XGXS PHY Failure detected 0x%x\n",
7569 bp->link_params.ext_phy_config);
7573 DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
7574 bp->link_params.ext_phy_config);
7578 cmd->port = PORT_TP;
7580 cmd->phy_address = bp->port.phy_addr;
7581 cmd->transceiver = XCVR_INTERNAL;
7583 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
7584 cmd->autoneg = AUTONEG_ENABLE;
7586 cmd->autoneg = AUTONEG_DISABLE;
7591 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7592 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7593 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7594 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7595 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7596 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7597 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7602 static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
7604 struct bnx2x *bp = netdev_priv(dev);
7610 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
7611 DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
7612 DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
7613 DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
7614 cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
7615 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
7616 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
7618 if (cmd->autoneg == AUTONEG_ENABLE) {
7619 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
7620 DP(NETIF_MSG_LINK, "Autoneg not supported\n");
7624 /* advertise the requested speed and duplex if supported */
7625 cmd->advertising &= bp->port.supported;
7627 bp->link_params.req_line_speed = SPEED_AUTO_NEG;
7628 bp->link_params.req_duplex = DUPLEX_FULL;
7629 bp->port.advertising |= (ADVERTISED_Autoneg |
7632 } else { /* forced speed */
7633 /* advertise the requested speed and duplex if supported */
7634 switch (cmd->speed) {
7636 if (cmd->duplex == DUPLEX_FULL) {
7637 if (!(bp->port.supported &
7638 SUPPORTED_10baseT_Full)) {
7640 "10M full not supported\n");
7644 advertising = (ADVERTISED_10baseT_Full |
7647 if (!(bp->port.supported &
7648 SUPPORTED_10baseT_Half)) {
7650 "10M half not supported\n");
7654 advertising = (ADVERTISED_10baseT_Half |
7660 if (cmd->duplex == DUPLEX_FULL) {
7661 if (!(bp->port.supported &
7662 SUPPORTED_100baseT_Full)) {
7664 "100M full not supported\n");
7668 advertising = (ADVERTISED_100baseT_Full |
7671 if (!(bp->port.supported &
7672 SUPPORTED_100baseT_Half)) {
7674 "100M half not supported\n");
7678 advertising = (ADVERTISED_100baseT_Half |
7684 if (cmd->duplex != DUPLEX_FULL) {
7685 DP(NETIF_MSG_LINK, "1G half not supported\n");
7689 if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) {
7690 DP(NETIF_MSG_LINK, "1G full not supported\n");
7694 advertising = (ADVERTISED_1000baseT_Full |
7699 if (cmd->duplex != DUPLEX_FULL) {
7701 "2.5G half not supported\n");
7705 if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) {
7707 "2.5G full not supported\n");
7711 advertising = (ADVERTISED_2500baseX_Full |
7716 if (cmd->duplex != DUPLEX_FULL) {
7717 DP(NETIF_MSG_LINK, "10G half not supported\n");
7721 if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) {
7722 DP(NETIF_MSG_LINK, "10G full not supported\n");
7726 advertising = (ADVERTISED_10000baseT_Full |
7731 DP(NETIF_MSG_LINK, "Unsupported speed\n");
7735 bp->link_params.req_line_speed = cmd->speed;
7736 bp->link_params.req_duplex = cmd->duplex;
7737 bp->port.advertising = advertising;
7740 DP(NETIF_MSG_LINK, "req_line_speed %d\n"
7741 DP_LEVEL " req_duplex %d advertising 0x%x\n",
7742 bp->link_params.req_line_speed, bp->link_params.req_duplex,
7743 bp->port.advertising);
7745 if (netif_running(dev)) {
7746 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
7753 #define PHY_FW_VER_LEN 10
7755 static void bnx2x_get_drvinfo(struct net_device *dev,
7756 struct ethtool_drvinfo *info)
7758 struct bnx2x *bp = netdev_priv(dev);
7759 u8 phy_fw_ver[PHY_FW_VER_LEN];
7761 strcpy(info->driver, DRV_MODULE_NAME);
7762 strcpy(info->version, DRV_MODULE_VERSION);
7764 phy_fw_ver[0] = '\0';
7766 bnx2x_acquire_phy_lock(bp);
7767 bnx2x_get_ext_phy_fw_version(&bp->link_params,
7768 (bp->state != BNX2X_STATE_CLOSED),
7769 phy_fw_ver, PHY_FW_VER_LEN);
7770 bnx2x_release_phy_lock(bp);
7773 snprintf(info->fw_version, 32, "BC:%d.%d.%d%s%s",
7774 (bp->common.bc_ver & 0xff0000) >> 16,
7775 (bp->common.bc_ver & 0xff00) >> 8,
7776 (bp->common.bc_ver & 0xff),
7777 ((phy_fw_ver[0] != '\0') ? " PHY:" : ""), phy_fw_ver);
7778 strcpy(info->bus_info, pci_name(bp->pdev));
7779 info->n_stats = BNX2X_NUM_STATS;
7780 info->testinfo_len = BNX2X_NUM_TESTS;
7781 info->eedump_len = bp->common.flash_size;
7782 info->regdump_len = 0;
7785 static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7787 struct bnx2x *bp = netdev_priv(dev);
7789 if (bp->flags & NO_WOL_FLAG) {
7793 wol->supported = WAKE_MAGIC;
7795 wol->wolopts = WAKE_MAGIC;
7799 memset(&wol->sopass, 0, sizeof(wol->sopass));
7802 static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
7804 struct bnx2x *bp = netdev_priv(dev);
7806 if (wol->wolopts & ~WAKE_MAGIC)
7809 if (wol->wolopts & WAKE_MAGIC) {
7810 if (bp->flags & NO_WOL_FLAG)
7820 static u32 bnx2x_get_msglevel(struct net_device *dev)
7822 struct bnx2x *bp = netdev_priv(dev);
7824 return bp->msglevel;
7827 static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
7829 struct bnx2x *bp = netdev_priv(dev);
7831 if (capable(CAP_NET_ADMIN))
7832 bp->msglevel = level;
7835 static int bnx2x_nway_reset(struct net_device *dev)
7837 struct bnx2x *bp = netdev_priv(dev);
7842 if (netif_running(dev)) {
7843 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
7850 static int bnx2x_get_eeprom_len(struct net_device *dev)
7852 struct bnx2x *bp = netdev_priv(dev);
7854 return bp->common.flash_size;
7857 static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
7859 int port = BP_PORT(bp);
7863 /* adjust timeout for emulation/FPGA */
7864 count = NVRAM_TIMEOUT_COUNT;
7865 if (CHIP_REV_IS_SLOW(bp))
7868 /* request access to nvram interface */
7869 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7870 (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
7872 for (i = 0; i < count*10; i++) {
7873 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7874 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
7880 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
7881 DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
7888 static int bnx2x_release_nvram_lock(struct bnx2x *bp)
7890 int port = BP_PORT(bp);
7894 /* adjust timeout for emulation/FPGA */
7895 count = NVRAM_TIMEOUT_COUNT;
7896 if (CHIP_REV_IS_SLOW(bp))
7899 /* relinquish nvram interface */
7900 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
7901 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
7903 for (i = 0; i < count*10; i++) {
7904 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
7905 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
7911 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
7912 DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
7919 static void bnx2x_enable_nvram_access(struct bnx2x *bp)
7923 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7925 /* enable both bits, even on read */
7926 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7927 (val | MCPR_NVM_ACCESS_ENABLE_EN |
7928 MCPR_NVM_ACCESS_ENABLE_WR_EN));
7931 static void bnx2x_disable_nvram_access(struct bnx2x *bp)
7935 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
7937 /* disable both bits, even after read */
7938 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
7939 (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
7940 MCPR_NVM_ACCESS_ENABLE_WR_EN)));
7943 static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val,
7949 /* build the command word */
7950 cmd_flags |= MCPR_NVM_COMMAND_DOIT;
7952 /* need to clear DONE bit separately */
7953 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
7955 /* address of the NVRAM to read from */
7956 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
7957 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
7959 /* issue a read command */
7960 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
7962 /* adjust timeout for emulation/FPGA */
7963 count = NVRAM_TIMEOUT_COUNT;
7964 if (CHIP_REV_IS_SLOW(bp))
7967 /* wait for completion */
7970 for (i = 0; i < count; i++) {
7972 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
7974 if (val & MCPR_NVM_COMMAND_DONE) {
7975 val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
7976 /* we read nvram data in cpu order
7977 * but ethtool sees it as an array of bytes
7978 * converting to big-endian will do the work */
7979 val = cpu_to_be32(val);
7989 static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
7996 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
7998 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
8003 if (offset + buf_size > bp->common.flash_size) {
8004 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
8005 " buf_size (0x%x) > flash_size (0x%x)\n",
8006 offset, buf_size, bp->common.flash_size);
8010 /* request access to nvram interface */
8011 rc = bnx2x_acquire_nvram_lock(bp);
8015 /* enable access to nvram interface */
8016 bnx2x_enable_nvram_access(bp);
8018 /* read the first word(s) */
8019 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8020 while ((buf_size > sizeof(u32)) && (rc == 0)) {
8021 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8022 memcpy(ret_buf, &val, 4);
8024 /* advance to the next dword */
8025 offset += sizeof(u32);
8026 ret_buf += sizeof(u32);
8027 buf_size -= sizeof(u32);
8032 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8033 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
8034 memcpy(ret_buf, &val, 4);
8037 /* disable access to nvram interface */
8038 bnx2x_disable_nvram_access(bp);
8039 bnx2x_release_nvram_lock(bp);
8044 static int bnx2x_get_eeprom(struct net_device *dev,
8045 struct ethtool_eeprom *eeprom, u8 *eebuf)
8047 struct bnx2x *bp = netdev_priv(dev);
8050 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
8051 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8052 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8053 eeprom->len, eeprom->len);
8055 /* parameters already validated in ethtool_get_eeprom */
8057 rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
8062 static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
8067 /* build the command word */
8068 cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
8070 /* need to clear DONE bit separately */
8071 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
8073 /* write the data */
8074 REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
8076 /* address of the NVRAM to write to */
8077 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
8078 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
8080 /* issue the write command */
8081 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
8083 /* adjust timeout for emulation/FPGA */
8084 count = NVRAM_TIMEOUT_COUNT;
8085 if (CHIP_REV_IS_SLOW(bp))
8088 /* wait for completion */
8090 for (i = 0; i < count; i++) {
8092 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
8093 if (val & MCPR_NVM_COMMAND_DONE) {
8102 #define BYTE_OFFSET(offset) (8 * (offset & 0x03))
8104 static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
8112 if (offset + buf_size > bp->common.flash_size) {
8113 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
8114 " buf_size (0x%x) > flash_size (0x%x)\n",
8115 offset, buf_size, bp->common.flash_size);
8119 /* request access to nvram interface */
8120 rc = bnx2x_acquire_nvram_lock(bp);
8124 /* enable access to nvram interface */
8125 bnx2x_enable_nvram_access(bp);
8127 cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
8128 align_offset = (offset & ~0x03);
8129 rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
8132 val &= ~(0xff << BYTE_OFFSET(offset));
8133 val |= (*data_buf << BYTE_OFFSET(offset));
8135 /* nvram data is returned as an array of bytes
8136 * convert it back to cpu order */
8137 val = be32_to_cpu(val);
8139 rc = bnx2x_nvram_write_dword(bp, align_offset, val,
8143 /* disable access to nvram interface */
8144 bnx2x_disable_nvram_access(bp);
8145 bnx2x_release_nvram_lock(bp);
8150 static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
8158 if (buf_size == 1) /* ethtool */
8159 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
8161 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
8163 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
8168 if (offset + buf_size > bp->common.flash_size) {
8169 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
8170 " buf_size (0x%x) > flash_size (0x%x)\n",
8171 offset, buf_size, bp->common.flash_size);
8175 /* request access to nvram interface */
8176 rc = bnx2x_acquire_nvram_lock(bp);
8180 /* enable access to nvram interface */
8181 bnx2x_enable_nvram_access(bp);
8184 cmd_flags = MCPR_NVM_COMMAND_FIRST;
8185 while ((written_so_far < buf_size) && (rc == 0)) {
8186 if (written_so_far == (buf_size - sizeof(u32)))
8187 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8188 else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0)
8189 cmd_flags |= MCPR_NVM_COMMAND_LAST;
8190 else if ((offset % NVRAM_PAGE_SIZE) == 0)
8191 cmd_flags |= MCPR_NVM_COMMAND_FIRST;
8193 memcpy(&val, data_buf, 4);
8195 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
8197 /* advance to the next dword */
8198 offset += sizeof(u32);
8199 data_buf += sizeof(u32);
8200 written_so_far += sizeof(u32);
8204 /* disable access to nvram interface */
8205 bnx2x_disable_nvram_access(bp);
8206 bnx2x_release_nvram_lock(bp);
8211 static int bnx2x_set_eeprom(struct net_device *dev,
8212 struct ethtool_eeprom *eeprom, u8 *eebuf)
8214 struct bnx2x *bp = netdev_priv(dev);
8217 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
8218 DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
8219 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
8220 eeprom->len, eeprom->len);
8222 /* parameters already validated in ethtool_set_eeprom */
8224 /* If the magic number is PHY (0x00504859) upgrade the PHY FW */
8225 if (eeprom->magic == 0x00504859)
8228 bnx2x_acquire_phy_lock(bp);
8229 rc = bnx2x_flash_download(bp, BP_PORT(bp),
8230 bp->link_params.ext_phy_config,
8231 (bp->state != BNX2X_STATE_CLOSED),
8232 eebuf, eeprom->len);
8233 if ((bp->state == BNX2X_STATE_OPEN) ||
8234 (bp->state == BNX2X_STATE_DISABLED)) {
8235 rc |= bnx2x_link_reset(&bp->link_params,
8237 rc |= bnx2x_phy_init(&bp->link_params,
8240 bnx2x_release_phy_lock(bp);
8242 } else /* Only the PMF can access the PHY */
8245 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
8250 static int bnx2x_get_coalesce(struct net_device *dev,
8251 struct ethtool_coalesce *coal)
8253 struct bnx2x *bp = netdev_priv(dev);
8255 memset(coal, 0, sizeof(struct ethtool_coalesce));
8257 coal->rx_coalesce_usecs = bp->rx_ticks;
8258 coal->tx_coalesce_usecs = bp->tx_ticks;
8263 static int bnx2x_set_coalesce(struct net_device *dev,
8264 struct ethtool_coalesce *coal)
8266 struct bnx2x *bp = netdev_priv(dev);
8268 bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
8269 if (bp->rx_ticks > 3000)
8270 bp->rx_ticks = 3000;
8272 bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
8273 if (bp->tx_ticks > 0x3000)
8274 bp->tx_ticks = 0x3000;
8276 if (netif_running(dev))
8277 bnx2x_update_coalesce(bp);
8282 static void bnx2x_get_ringparam(struct net_device *dev,
8283 struct ethtool_ringparam *ering)
8285 struct bnx2x *bp = netdev_priv(dev);
8287 ering->rx_max_pending = MAX_RX_AVAIL;
8288 ering->rx_mini_max_pending = 0;
8289 ering->rx_jumbo_max_pending = 0;
8291 ering->rx_pending = bp->rx_ring_size;
8292 ering->rx_mini_pending = 0;
8293 ering->rx_jumbo_pending = 0;
8295 ering->tx_max_pending = MAX_TX_AVAIL;
8296 ering->tx_pending = bp->tx_ring_size;
8299 static int bnx2x_set_ringparam(struct net_device *dev,
8300 struct ethtool_ringparam *ering)
8302 struct bnx2x *bp = netdev_priv(dev);
8305 if ((ering->rx_pending > MAX_RX_AVAIL) ||
8306 (ering->tx_pending > MAX_TX_AVAIL) ||
8307 (ering->tx_pending <= MAX_SKB_FRAGS + 4))
8310 bp->rx_ring_size = ering->rx_pending;
8311 bp->tx_ring_size = ering->tx_pending;
8313 if (netif_running(dev)) {
8314 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8315 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
8321 static void bnx2x_get_pauseparam(struct net_device *dev,
8322 struct ethtool_pauseparam *epause)
8324 struct bnx2x *bp = netdev_priv(dev);
8326 epause->autoneg = (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO) &&
8327 (bp->link_params.req_line_speed == SPEED_AUTO_NEG);
8329 epause->rx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_RX) ==
8331 epause->tx_pause = ((bp->link_vars.flow_ctrl & FLOW_CTRL_TX) ==
8334 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8335 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8336 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8339 static int bnx2x_set_pauseparam(struct net_device *dev,
8340 struct ethtool_pauseparam *epause)
8342 struct bnx2x *bp = netdev_priv(dev);
8347 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
8348 DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
8349 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
8351 bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
8353 if (epause->rx_pause)
8354 bp->link_params.req_flow_ctrl |= FLOW_CTRL_RX;
8356 if (epause->tx_pause)
8357 bp->link_params.req_flow_ctrl |= FLOW_CTRL_TX;
8359 if (bp->link_params.req_flow_ctrl == FLOW_CTRL_AUTO)
8360 bp->link_params.req_flow_ctrl = FLOW_CTRL_NONE;
8362 if (epause->autoneg) {
8363 if (!(bp->port.supported & SUPPORTED_Autoneg)) {
8364 DP(NETIF_MSG_LINK, "autoneg not supported\n");
8368 if (bp->link_params.req_line_speed == SPEED_AUTO_NEG)
8369 bp->link_params.req_flow_ctrl = FLOW_CTRL_AUTO;
8373 "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl);
8375 if (netif_running(dev)) {
8376 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
8383 static int bnx2x_set_flags(struct net_device *dev, u32 data)
8385 struct bnx2x *bp = netdev_priv(dev);
8389 /* TPA requires Rx CSUM offloading */
8390 if ((data & ETH_FLAG_LRO) && bp->rx_csum) {
8391 if (!(dev->features & NETIF_F_LRO)) {
8392 dev->features |= NETIF_F_LRO;
8393 bp->flags |= TPA_ENABLE_FLAG;
8397 } else if (dev->features & NETIF_F_LRO) {
8398 dev->features &= ~NETIF_F_LRO;
8399 bp->flags &= ~TPA_ENABLE_FLAG;
8403 if (changed && netif_running(dev)) {
8404 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8405 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
8411 static u32 bnx2x_get_rx_csum(struct net_device *dev)
8413 struct bnx2x *bp = netdev_priv(dev);
8418 static int bnx2x_set_rx_csum(struct net_device *dev, u32 data)
8420 struct bnx2x *bp = netdev_priv(dev);
8425 /* Disable TPA, when Rx CSUM is disabled. Otherwise all
8426 TPA'ed packets will be discarded due to wrong TCP CSUM */
8428 u32 flags = ethtool_op_get_flags(dev);
8430 rc = bnx2x_set_flags(dev, (flags & ~ETH_FLAG_LRO));
8436 static int bnx2x_set_tso(struct net_device *dev, u32 data)
8439 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
8440 dev->features |= NETIF_F_TSO6;
8442 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
8443 dev->features &= ~NETIF_F_TSO6;
8449 static const struct {
8450 char string[ETH_GSTRING_LEN];
8451 } bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
8452 { "register_test (offline)" },
8453 { "memory_test (offline)" },
8454 { "loopback_test (offline)" },
8455 { "nvram_test (online)" },
8456 { "interrupt_test (online)" },
8457 { "link_test (online)" },
8458 { "idle check (online)" },
8459 { "MC errors (online)" }
8462 static int bnx2x_self_test_count(struct net_device *dev)
8464 return BNX2X_NUM_TESTS;
8467 static int bnx2x_test_registers(struct bnx2x *bp)
8469 int idx, i, rc = -ENODEV;
8471 int port = BP_PORT(bp);
8472 static const struct {
8477 /* 0 */ { BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff },
8478 { DORQ_REG_DB_ADDR0, 4, 0xffffffff },
8479 { HC_REG_AGG_INT_0, 4, 0x000003ff },
8480 { PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 },
8481 { PBF_REG_P0_INIT_CRD, 4, 0x000007ff },
8482 { PRS_REG_CID_PORT_0, 4, 0x00ffffff },
8483 { PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff },
8484 { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8485 { PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff },
8486 { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
8487 /* 10 */ { PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff },
8488 { QM_REG_CONNNUM_0, 4, 0x000fffff },
8489 { TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff },
8490 { SRC_REG_KEYRSS0_0, 40, 0xffffffff },
8491 { SRC_REG_KEYRSS0_7, 40, 0xffffffff },
8492 { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
8493 { XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 },
8494 { XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff },
8495 { NIG_REG_EGRESS_MNG0_FIFO, 20, 0xffffffff },
8496 { NIG_REG_LLH0_T_BIT, 4, 0x00000001 },
8497 /* 20 */ { NIG_REG_EMAC0_IN_EN, 4, 0x00000001 },
8498 { NIG_REG_BMAC0_IN_EN, 4, 0x00000001 },
8499 { NIG_REG_XCM0_OUT_EN, 4, 0x00000001 },
8500 { NIG_REG_BRB0_OUT_EN, 4, 0x00000001 },
8501 { NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 },
8502 { NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff },
8503 { NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff },
8504 { NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff },
8505 { NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff },
8506 { NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 },
8507 /* 30 */ { NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff },
8508 { NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff },
8509 { NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff },
8510 { NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 },
8511 { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 },
8512 { NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff },
8513 { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
8514 { NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f },
8516 { 0xffffffff, 0, 0x00000000 }
8519 if (!netif_running(bp->dev))
8522 /* Repeat the test twice:
8523 First by writing 0x00000000, second by writing 0xffffffff */
8524 for (idx = 0; idx < 2; idx++) {
8531 wr_val = 0xffffffff;
8535 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
8536 u32 offset, mask, save_val, val;
8538 offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
8539 mask = reg_tbl[i].mask;
8541 save_val = REG_RD(bp, offset);
8543 REG_WR(bp, offset, wr_val);
8544 val = REG_RD(bp, offset);
8546 /* Restore the original register's value */
8547 REG_WR(bp, offset, save_val);
8549 /* verify that value is as expected value */
8550 if ((val & mask) != (wr_val & mask))
8561 static int bnx2x_test_memory(struct bnx2x *bp)
8563 int i, j, rc = -ENODEV;
8565 static const struct {
8569 { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE },
8570 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
8571 { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE },
8572 { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE },
8573 { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE },
8574 { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE },
8575 { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE },
8579 static const struct {
8585 { "CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS, 0x3ffc0, 0 },
8586 { "CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS, 0x2, 0x2 },
8587 { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0, 0 },
8588 { "TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS, 0x3ffc0, 0 },
8589 { "UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS, 0x3ffc0, 0 },
8590 { "XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS, 0x3ffc1, 0 },
8592 { NULL, 0xffffffff, 0, 0 }
8595 if (!netif_running(bp->dev))
8598 /* Go through all the memories */
8599 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
8600 for (j = 0; j < mem_tbl[i].size; j++)
8601 REG_RD(bp, mem_tbl[i].offset + j*4);
8603 /* Check the parity status */
8604 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
8605 val = REG_RD(bp, prty_tbl[i].offset);
8606 if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) ||
8607 (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask)))) {
8609 "%s is 0x%x\n", prty_tbl[i].name, val);
8620 static void bnx2x_netif_start(struct bnx2x *bp)
8624 if (atomic_dec_and_test(&bp->intr_sem)) {
8625 if (netif_running(bp->dev)) {
8626 bnx2x_int_enable(bp);
8627 for_each_queue(bp, i)
8628 napi_enable(&bnx2x_fp(bp, i, napi));
8629 if (bp->state == BNX2X_STATE_OPEN)
8630 netif_wake_queue(bp->dev);
8635 static void bnx2x_netif_stop(struct bnx2x *bp)
8639 if (netif_running(bp->dev)) {
8640 netif_tx_disable(bp->dev);
8641 bp->dev->trans_start = jiffies; /* prevent tx timeout */
8642 for_each_queue(bp, i)
8643 napi_disable(&bnx2x_fp(bp, i, napi));
8645 bnx2x_int_disable_sync(bp);
8648 static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up)
8653 while (bnx2x_link_test(bp) && cnt--)
8657 static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
8659 unsigned int pkt_size, num_pkts, i;
8660 struct sk_buff *skb;
8661 unsigned char *packet;
8662 struct bnx2x_fastpath *fp = &bp->fp[0];
8663 u16 tx_start_idx, tx_idx;
8664 u16 rx_start_idx, rx_idx;
8666 struct sw_tx_bd *tx_buf;
8667 struct eth_tx_bd *tx_bd;
8669 union eth_rx_cqe *cqe;
8671 struct sw_rx_bd *rx_buf;
8675 if (loopback_mode == BNX2X_MAC_LOOPBACK) {
8676 bp->link_params.loopback_mode = LOOPBACK_BMAC;
8677 bnx2x_acquire_phy_lock(bp);
8678 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
8679 bnx2x_release_phy_lock(bp);
8681 } else if (loopback_mode == BNX2X_PHY_LOOPBACK) {
8682 bp->link_params.loopback_mode = LOOPBACK_XGXS_10;
8683 bnx2x_acquire_phy_lock(bp);
8684 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
8685 bnx2x_release_phy_lock(bp);
8686 /* wait until link state is restored */
8687 bnx2x_wait_for_link(bp, link_up);
8693 skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
8696 goto test_loopback_exit;
8698 packet = skb_put(skb, pkt_size);
8699 memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
8700 memset(packet + ETH_ALEN, 0, (ETH_HLEN - ETH_ALEN));
8701 for (i = ETH_HLEN; i < pkt_size; i++)
8702 packet[i] = (unsigned char) (i & 0xff);
8705 tx_start_idx = le16_to_cpu(*fp->tx_cons_sb);
8706 rx_start_idx = le16_to_cpu(*fp->rx_cons_sb);
8708 pkt_prod = fp->tx_pkt_prod++;
8709 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
8710 tx_buf->first_bd = fp->tx_bd_prod;
8713 tx_bd = &fp->tx_desc_ring[TX_BD(fp->tx_bd_prod)];
8714 mapping = pci_map_single(bp->pdev, skb->data,
8715 skb_headlen(skb), PCI_DMA_TODEVICE);
8716 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
8717 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
8718 tx_bd->nbd = cpu_to_le16(1);
8719 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
8720 tx_bd->vlan = cpu_to_le16(pkt_prod);
8721 tx_bd->bd_flags.as_bitfield = (ETH_TX_BD_FLAGS_START_BD |
8722 ETH_TX_BD_FLAGS_END_BD);
8723 tx_bd->general_data = ((UNICAST_ADDRESS <<
8724 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT) | 1);
8726 fp->hw_tx_prods->bds_prod =
8727 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + 1);
8728 mb(); /* FW restriction: must not reorder writing nbd and packets */
8729 fp->hw_tx_prods->packets_prod =
8730 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
8731 DOORBELL(bp, FP_IDX(fp), 0);
8737 bp->dev->trans_start = jiffies;
8741 tx_idx = le16_to_cpu(*fp->tx_cons_sb);
8742 if (tx_idx != tx_start_idx + num_pkts)
8743 goto test_loopback_exit;
8745 rx_idx = le16_to_cpu(*fp->rx_cons_sb);
8746 if (rx_idx != rx_start_idx + num_pkts)
8747 goto test_loopback_exit;
8749 cqe = &fp->rx_comp_ring[RCQ_BD(fp->rx_comp_cons)];
8750 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
8751 if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
8752 goto test_loopback_rx_exit;
8754 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
8755 if (len != pkt_size)
8756 goto test_loopback_rx_exit;
8758 rx_buf = &fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)];
8760 skb_reserve(skb, cqe->fast_path_cqe.placement_offset);
8761 for (i = ETH_HLEN; i < pkt_size; i++)
8762 if (*(skb->data + i) != (unsigned char) (i & 0xff))
8763 goto test_loopback_rx_exit;
8767 test_loopback_rx_exit:
8768 bp->dev->last_rx = jiffies;
8770 fp->rx_bd_cons = NEXT_RX_IDX(fp->rx_bd_cons);
8771 fp->rx_bd_prod = NEXT_RX_IDX(fp->rx_bd_prod);
8772 fp->rx_comp_cons = NEXT_RCQ_IDX(fp->rx_comp_cons);
8773 fp->rx_comp_prod = NEXT_RCQ_IDX(fp->rx_comp_prod);
8775 /* Update producers */
8776 bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod,
8778 mmiowb(); /* keep prod updates ordered */
8781 bp->link_params.loopback_mode = LOOPBACK_NONE;
8786 static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up)
8790 if (!netif_running(bp->dev))
8791 return BNX2X_LOOPBACK_FAILED;
8793 bnx2x_netif_stop(bp);
8795 if (bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up)) {
8796 DP(NETIF_MSG_PROBE, "MAC loopback failed\n");
8797 rc |= BNX2X_MAC_LOOPBACK_FAILED;
8800 if (bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up)) {
8801 DP(NETIF_MSG_PROBE, "PHY loopback failed\n");
8802 rc |= BNX2X_PHY_LOOPBACK_FAILED;
8805 bnx2x_netif_start(bp);
8810 #define CRC32_RESIDUAL 0xdebb20e3
8812 static int bnx2x_test_nvram(struct bnx2x *bp)
8814 static const struct {
8818 { 0, 0x14 }, /* bootstrap */
8819 { 0x14, 0xec }, /* dir */
8820 { 0x100, 0x350 }, /* manuf_info */
8821 { 0x450, 0xf0 }, /* feature_info */
8822 { 0x640, 0x64 }, /* upgrade_key_info */
8824 { 0x708, 0x70 }, /* manuf_key_info */
8829 u8 *data = (u8 *)buf;
8833 rc = bnx2x_nvram_read(bp, 0, data, 4);
8835 DP(NETIF_MSG_PROBE, "magic value read (rc -%d)\n", -rc);
8836 goto test_nvram_exit;
8839 magic = be32_to_cpu(buf[0]);
8840 if (magic != 0x669955aa) {
8841 DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
8843 goto test_nvram_exit;
8846 for (i = 0; nvram_tbl[i].size; i++) {
8848 rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
8852 "nvram_tbl[%d] read data (rc -%d)\n", i, -rc);
8853 goto test_nvram_exit;
8856 csum = ether_crc_le(nvram_tbl[i].size, data);
8857 if (csum != CRC32_RESIDUAL) {
8859 "nvram_tbl[%d] csum value (0x%08x)\n", i, csum);
8861 goto test_nvram_exit;
8869 static int bnx2x_test_intr(struct bnx2x *bp)
8871 struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
8874 if (!netif_running(bp->dev))
8877 config->hdr.length_6b = 0;
8878 config->hdr.offset = 0;
8879 config->hdr.client_id = BP_CL_ID(bp);
8880 config->hdr.reserved1 = 0;
8882 rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
8883 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
8884 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
8886 bp->set_mac_pending++;
8887 for (i = 0; i < 10; i++) {
8888 if (!bp->set_mac_pending)
8890 msleep_interruptible(10);
8899 static void bnx2x_self_test(struct net_device *dev,
8900 struct ethtool_test *etest, u64 *buf)
8902 struct bnx2x *bp = netdev_priv(dev);
8904 memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
8906 if (!netif_running(dev))
8909 /* offline tests are not supported in MF mode */
8911 etest->flags &= ~ETH_TEST_FL_OFFLINE;
8913 if (etest->flags & ETH_TEST_FL_OFFLINE) {
8916 link_up = bp->link_vars.link_up;
8917 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8918 bnx2x_nic_load(bp, LOAD_DIAG);
8919 /* wait until link state is restored */
8920 bnx2x_wait_for_link(bp, link_up);
8922 if (bnx2x_test_registers(bp) != 0) {
8924 etest->flags |= ETH_TEST_FL_FAILED;
8926 if (bnx2x_test_memory(bp) != 0) {
8928 etest->flags |= ETH_TEST_FL_FAILED;
8930 buf[2] = bnx2x_test_loopback(bp, link_up);
8932 etest->flags |= ETH_TEST_FL_FAILED;
8934 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
8935 bnx2x_nic_load(bp, LOAD_NORMAL);
8936 /* wait until link state is restored */
8937 bnx2x_wait_for_link(bp, link_up);
8939 if (bnx2x_test_nvram(bp) != 0) {
8941 etest->flags |= ETH_TEST_FL_FAILED;
8943 if (bnx2x_test_intr(bp) != 0) {
8945 etest->flags |= ETH_TEST_FL_FAILED;
8948 if (bnx2x_link_test(bp) != 0) {
8950 etest->flags |= ETH_TEST_FL_FAILED;
8952 buf[7] = bnx2x_mc_assert(bp);
8954 etest->flags |= ETH_TEST_FL_FAILED;
8956 #ifdef BNX2X_EXTRA_DEBUG
8957 bnx2x_panic_dump(bp);
8961 static const struct {
8965 #define STATS_FLAGS_PORT 1
8966 #define STATS_FLAGS_FUNC 2
8967 u8 string[ETH_GSTRING_LEN];
8968 } bnx2x_stats_arr[BNX2X_NUM_STATS] = {
8969 /* 1 */ { STATS_OFFSET32(valid_bytes_received_hi),
8970 8, STATS_FLAGS_FUNC, "rx_bytes" },
8971 { STATS_OFFSET32(error_bytes_received_hi),
8972 8, STATS_FLAGS_FUNC, "rx_error_bytes" },
8973 { STATS_OFFSET32(total_bytes_transmitted_hi),
8974 8, STATS_FLAGS_FUNC, "tx_bytes" },
8975 { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
8976 8, STATS_FLAGS_PORT, "tx_error_bytes" },
8977 { STATS_OFFSET32(total_unicast_packets_received_hi),
8978 8, STATS_FLAGS_FUNC, "rx_ucast_packets" },
8979 { STATS_OFFSET32(total_multicast_packets_received_hi),
8980 8, STATS_FLAGS_FUNC, "rx_mcast_packets" },
8981 { STATS_OFFSET32(total_broadcast_packets_received_hi),
8982 8, STATS_FLAGS_FUNC, "rx_bcast_packets" },
8983 { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
8984 8, STATS_FLAGS_FUNC, "tx_packets" },
8985 { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
8986 8, STATS_FLAGS_PORT, "tx_mac_errors" },
8987 /* 10 */{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
8988 8, STATS_FLAGS_PORT, "tx_carrier_errors" },
8989 { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
8990 8, STATS_FLAGS_PORT, "rx_crc_errors" },
8991 { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
8992 8, STATS_FLAGS_PORT, "rx_align_errors" },
8993 { STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
8994 8, STATS_FLAGS_PORT, "tx_single_collisions" },
8995 { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
8996 8, STATS_FLAGS_PORT, "tx_multi_collisions" },
8997 { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
8998 8, STATS_FLAGS_PORT, "tx_deferred" },
8999 { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
9000 8, STATS_FLAGS_PORT, "tx_excess_collisions" },
9001 { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
9002 8, STATS_FLAGS_PORT, "tx_late_collisions" },
9003 { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
9004 8, STATS_FLAGS_PORT, "tx_total_collisions" },
9005 { STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
9006 8, STATS_FLAGS_PORT, "rx_fragments" },
9007 /* 20 */{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
9008 8, STATS_FLAGS_PORT, "rx_jabbers" },
9009 { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
9010 8, STATS_FLAGS_PORT, "rx_undersize_packets" },
9011 { STATS_OFFSET32(jabber_packets_received),
9012 4, STATS_FLAGS_FUNC, "rx_oversize_packets" },
9013 { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
9014 8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
9015 { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
9016 8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
9017 { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
9018 8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
9019 { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
9020 8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
9021 { STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
9022 8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
9023 { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
9024 8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
9025 { STATS_OFFSET32(etherstatspktsover1522octets_hi),
9026 8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
9027 /* 30 */{ STATS_OFFSET32(rx_stat_xonpauseframesreceived_hi),
9028 8, STATS_FLAGS_PORT, "rx_xon_frames" },
9029 { STATS_OFFSET32(rx_stat_xoffpauseframesreceived_hi),
9030 8, STATS_FLAGS_PORT, "rx_xoff_frames" },
9031 { STATS_OFFSET32(tx_stat_outxonsent_hi),
9032 8, STATS_FLAGS_PORT, "tx_xon_frames" },
9033 { STATS_OFFSET32(tx_stat_outxoffsent_hi),
9034 8, STATS_FLAGS_PORT, "tx_xoff_frames" },
9035 { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
9036 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
9037 { STATS_OFFSET32(mac_filter_discard),
9038 4, STATS_FLAGS_PORT, "rx_filtered_packets" },
9039 { STATS_OFFSET32(no_buff_discard),
9040 4, STATS_FLAGS_FUNC, "rx_discards" },
9041 { STATS_OFFSET32(xxoverflow_discard),
9042 4, STATS_FLAGS_PORT, "rx_fw_discards" },
9043 { STATS_OFFSET32(brb_drop_hi),
9044 8, STATS_FLAGS_PORT, "brb_discard" },
9045 { STATS_OFFSET32(brb_truncate_hi),
9046 8, STATS_FLAGS_PORT, "brb_truncate" },
9047 /* 40 */{ STATS_OFFSET32(rx_err_discard_pkt),
9048 4, STATS_FLAGS_FUNC, "rx_phy_ip_err_discards"},
9049 { STATS_OFFSET32(rx_skb_alloc_failed),
9050 4, STATS_FLAGS_FUNC, "rx_skb_alloc_discard" },
9051 /* 42 */{ STATS_OFFSET32(hw_csum_err),
9052 4, STATS_FLAGS_FUNC, "rx_csum_offload_errors" }
9055 #define IS_NOT_E1HMF_STAT(bp, i) \
9056 (IS_E1HMF(bp) && (bnx2x_stats_arr[i].flags & STATS_FLAGS_PORT))
9058 static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
9060 struct bnx2x *bp = netdev_priv(dev);
9063 switch (stringset) {
9065 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
9066 if (IS_NOT_E1HMF_STAT(bp, i))
9068 strcpy(buf + j*ETH_GSTRING_LEN,
9069 bnx2x_stats_arr[i].string);
9075 memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
9080 static int bnx2x_get_stats_count(struct net_device *dev)
9082 struct bnx2x *bp = netdev_priv(dev);
9083 int i, num_stats = 0;
9085 for (i = 0; i < BNX2X_NUM_STATS; i++) {
9086 if (IS_NOT_E1HMF_STAT(bp, i))
9093 static void bnx2x_get_ethtool_stats(struct net_device *dev,
9094 struct ethtool_stats *stats, u64 *buf)
9096 struct bnx2x *bp = netdev_priv(dev);
9097 u32 *hw_stats = (u32 *)&bp->eth_stats;
9100 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
9101 if (IS_NOT_E1HMF_STAT(bp, i))
9104 if (bnx2x_stats_arr[i].size == 0) {
9105 /* skip this counter */
9110 if (bnx2x_stats_arr[i].size == 4) {
9111 /* 4-byte counter */
9112 buf[j] = (u64) *(hw_stats + bnx2x_stats_arr[i].offset);
9116 /* 8-byte counter */
9117 buf[j] = HILO_U64(*(hw_stats + bnx2x_stats_arr[i].offset),
9118 *(hw_stats + bnx2x_stats_arr[i].offset + 1));
9123 static int bnx2x_phys_id(struct net_device *dev, u32 data)
9125 struct bnx2x *bp = netdev_priv(dev);
9126 int port = BP_PORT(bp);
9129 if (!netif_running(dev))
9138 for (i = 0; i < (data * 2); i++) {
9140 bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000,
9141 bp->link_params.hw_led_mode,
9142 bp->link_params.chip_id);
9144 bnx2x_set_led(bp, port, LED_MODE_OFF, 0,
9145 bp->link_params.hw_led_mode,
9146 bp->link_params.chip_id);
9148 msleep_interruptible(500);
9149 if (signal_pending(current))
9153 if (bp->link_vars.link_up)
9154 bnx2x_set_led(bp, port, LED_MODE_OPER,
9155 bp->link_vars.line_speed,
9156 bp->link_params.hw_led_mode,
9157 bp->link_params.chip_id);
9162 static struct ethtool_ops bnx2x_ethtool_ops = {
9163 .get_settings = bnx2x_get_settings,
9164 .set_settings = bnx2x_set_settings,
9165 .get_drvinfo = bnx2x_get_drvinfo,
9166 .get_wol = bnx2x_get_wol,
9167 .set_wol = bnx2x_set_wol,
9168 .get_msglevel = bnx2x_get_msglevel,
9169 .set_msglevel = bnx2x_set_msglevel,
9170 .nway_reset = bnx2x_nway_reset,
9171 .get_link = ethtool_op_get_link,
9172 .get_eeprom_len = bnx2x_get_eeprom_len,
9173 .get_eeprom = bnx2x_get_eeprom,
9174 .set_eeprom = bnx2x_set_eeprom,
9175 .get_coalesce = bnx2x_get_coalesce,
9176 .set_coalesce = bnx2x_set_coalesce,
9177 .get_ringparam = bnx2x_get_ringparam,
9178 .set_ringparam = bnx2x_set_ringparam,
9179 .get_pauseparam = bnx2x_get_pauseparam,
9180 .set_pauseparam = bnx2x_set_pauseparam,
9181 .get_rx_csum = bnx2x_get_rx_csum,
9182 .set_rx_csum = bnx2x_set_rx_csum,
9183 .get_tx_csum = ethtool_op_get_tx_csum,
9184 .set_tx_csum = ethtool_op_set_tx_hw_csum,
9185 .set_flags = bnx2x_set_flags,
9186 .get_flags = ethtool_op_get_flags,
9187 .get_sg = ethtool_op_get_sg,
9188 .set_sg = ethtool_op_set_sg,
9189 .get_tso = ethtool_op_get_tso,
9190 .set_tso = bnx2x_set_tso,
9191 .self_test_count = bnx2x_self_test_count,
9192 .self_test = bnx2x_self_test,
9193 .get_strings = bnx2x_get_strings,
9194 .phys_id = bnx2x_phys_id,
9195 .get_stats_count = bnx2x_get_stats_count,
9196 .get_ethtool_stats = bnx2x_get_ethtool_stats,
9199 /* end of ethtool_ops */
9201 /****************************************************************************
9202 * General service functions
9203 ****************************************************************************/
9205 static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
9209 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
9213 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
9214 ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
9215 PCI_PM_CTRL_PME_STATUS));
9217 if (pmcsr & PCI_PM_CTRL_STATE_MASK)
9218 /* delay required during transition out of D3hot */
9223 pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
9227 pmcsr |= PCI_PM_CTRL_PME_ENABLE;
9229 pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
9232 /* No more memory access after this point until
9233 * device is brought back to D0.
9244 * net_device service functions
9247 static int bnx2x_poll(struct napi_struct *napi, int budget)
9249 struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath,
9251 struct bnx2x *bp = fp->bp;
9254 #ifdef BNX2X_STOP_ON_ERROR
9255 if (unlikely(bp->panic))
9259 prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb);
9260 prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb);
9261 prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256);
9263 bnx2x_update_fpsb_idx(fp);
9265 if (BNX2X_HAS_TX_WORK(fp))
9266 bnx2x_tx_int(fp, budget);
9268 if (BNX2X_HAS_RX_WORK(fp))
9269 work_done = bnx2x_rx_int(fp, budget);
9271 rmb(); /* BNX2X_HAS_WORK() reads the status block */
9273 /* must not complete if we consumed full budget */
9274 if ((work_done < budget) && !BNX2X_HAS_WORK(fp)) {
9276 #ifdef BNX2X_STOP_ON_ERROR
9279 netif_rx_complete(bp->dev, napi);
9281 bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID,
9282 le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1);
9283 bnx2x_ack_sb(bp, FP_SB_ID(fp), CSTORM_ID,
9284 le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
9290 /* we split the first BD into headers and data BDs
9291 * to ease the pain of our fellow microcode engineers
9292 * we use one mapping for both BDs
9293 * So far this has only been observed to happen
9294 * in Other Operating Systems(TM)
9296 static noinline u16 bnx2x_tx_split(struct bnx2x *bp,
9297 struct bnx2x_fastpath *fp,
9298 struct eth_tx_bd **tx_bd, u16 hlen,
9299 u16 bd_prod, int nbd)
9301 struct eth_tx_bd *h_tx_bd = *tx_bd;
9302 struct eth_tx_bd *d_tx_bd;
9304 int old_len = le16_to_cpu(h_tx_bd->nbytes);
9306 /* first fix first BD */
9307 h_tx_bd->nbd = cpu_to_le16(nbd);
9308 h_tx_bd->nbytes = cpu_to_le16(hlen);
9310 DP(NETIF_MSG_TX_QUEUED, "TSO split header size is %d "
9311 "(%x:%x) nbd %d\n", h_tx_bd->nbytes, h_tx_bd->addr_hi,
9312 h_tx_bd->addr_lo, h_tx_bd->nbd);
9314 /* now get a new data BD
9315 * (after the pbd) and fill it */
9316 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9317 d_tx_bd = &fp->tx_desc_ring[bd_prod];
9319 mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi),
9320 le32_to_cpu(h_tx_bd->addr_lo)) + hlen;
9322 d_tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9323 d_tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9324 d_tx_bd->nbytes = cpu_to_le16(old_len - hlen);
9326 /* this marks the BD as one that has no individual mapping
9327 * the FW ignores this flag in a BD not marked start
9329 d_tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO;
9330 DP(NETIF_MSG_TX_QUEUED,
9331 "TSO split data size is %d (%x:%x)\n",
9332 d_tx_bd->nbytes, d_tx_bd->addr_hi, d_tx_bd->addr_lo);
9334 /* update tx_bd for marking the last BD flag */
9340 static inline u16 bnx2x_csum_fix(unsigned char *t_header, u16 csum, s8 fix)
9343 csum = (u16) ~csum_fold(csum_sub(csum,
9344 csum_partial(t_header - fix, fix, 0)));
9347 csum = (u16) ~csum_fold(csum_add(csum,
9348 csum_partial(t_header, -fix, 0)));
9350 return swab16(csum);
9353 static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
9357 if (skb->ip_summed != CHECKSUM_PARTIAL)
9361 if (skb->protocol == ntohs(ETH_P_IPV6)) {
9363 if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
9364 rc |= XMIT_CSUM_TCP;
9368 if (ip_hdr(skb)->protocol == IPPROTO_TCP)
9369 rc |= XMIT_CSUM_TCP;
9373 if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4)
9376 else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6)
9382 /* check if packet requires linearization (packet is too fragmented) */
9383 static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
9388 int first_bd_sz = 0;
9390 /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
9391 if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) {
9393 if (xmit_type & XMIT_GSO) {
9394 unsigned short lso_mss = skb_shinfo(skb)->gso_size;
9395 /* Check if LSO packet needs to be copied:
9396 3 = 1 (for headers BD) + 2 (for PBD and last BD) */
9397 int wnd_size = MAX_FETCH_BD - 3;
9398 /* Number of windows to check */
9399 int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size;
9404 /* Headers length */
9405 hlen = (int)(skb_transport_header(skb) - skb->data) +
9408 /* Amount of data (w/o headers) on linear part of SKB*/
9409 first_bd_sz = skb_headlen(skb) - hlen;
9411 wnd_sum = first_bd_sz;
9413 /* Calculate the first sum - it's special */
9414 for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++)
9416 skb_shinfo(skb)->frags[frag_idx].size;
9418 /* If there was data on linear skb data - check it */
9419 if (first_bd_sz > 0) {
9420 if (unlikely(wnd_sum < lso_mss)) {
9425 wnd_sum -= first_bd_sz;
9428 /* Others are easier: run through the frag list and
9429 check all windows */
9430 for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) {
9432 skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size;
9434 if (unlikely(wnd_sum < lso_mss)) {
9439 skb_shinfo(skb)->frags[wnd_idx].size;
9443 /* in non-LSO too fragmented packet should always
9450 if (unlikely(to_copy))
9451 DP(NETIF_MSG_TX_QUEUED,
9452 "Linearization IS REQUIRED for %s packet. "
9453 "num_frags %d hlen %d first_bd_sz %d\n",
9454 (xmit_type & XMIT_GSO) ? "LSO" : "non-LSO",
9455 skb_shinfo(skb)->nr_frags, hlen, first_bd_sz);
9460 /* called with netif_tx_lock
9461 * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call
9462 * netif_wake_queue()
9464 static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
9466 struct bnx2x *bp = netdev_priv(dev);
9467 struct bnx2x_fastpath *fp;
9468 struct sw_tx_bd *tx_buf;
9469 struct eth_tx_bd *tx_bd;
9470 struct eth_tx_parse_bd *pbd = NULL;
9471 u16 pkt_prod, bd_prod;
9474 u32 xmit_type = bnx2x_xmit_type(bp, skb);
9475 int vlan_off = (bp->e1hov ? 4 : 0);
9479 #ifdef BNX2X_STOP_ON_ERROR
9480 if (unlikely(bp->panic))
9481 return NETDEV_TX_BUSY;
9484 fp_index = (smp_processor_id() % bp->num_queues);
9485 fp = &bp->fp[fp_index];
9487 if (unlikely(bnx2x_tx_avail(bp->fp) <
9488 (skb_shinfo(skb)->nr_frags + 3))) {
9489 bp->eth_stats.driver_xoff++,
9490 netif_stop_queue(dev);
9491 BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
9492 return NETDEV_TX_BUSY;
9495 DP(NETIF_MSG_TX_QUEUED, "SKB: summed %x protocol %x protocol(%x,%x)"
9496 " gso type %x xmit_type %x\n",
9497 skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr,
9498 ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type);
9500 /* First, check if we need to linearize the skb
9501 (due to FW restrictions) */
9502 if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) {
9503 /* Statistics of linearization */
9505 if (skb_linearize(skb) != 0) {
9506 DP(NETIF_MSG_TX_QUEUED, "SKB linearization failed - "
9507 "silently dropping this SKB\n");
9508 dev_kfree_skb_any(skb);
9509 return NETDEV_TX_OK;
9514 Please read carefully. First we use one BD which we mark as start,
9515 then for TSO or xsum we have a parsing info BD,
9516 and only then we have the rest of the TSO BDs.
9517 (don't forget to mark the last one as last,
9518 and to unmap only AFTER you write to the BD ...)
9519 And above all, all pdb sizes are in words - NOT DWORDS!
9522 pkt_prod = fp->tx_pkt_prod++;
9523 bd_prod = TX_BD(fp->tx_bd_prod);
9525 /* get a tx_buf and first BD */
9526 tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
9527 tx_bd = &fp->tx_desc_ring[bd_prod];
9529 tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
9530 tx_bd->general_data = (UNICAST_ADDRESS <<
9531 ETH_TX_BD_ETH_ADDR_TYPE_SHIFT);
9533 tx_bd->general_data |= (1 << ETH_TX_BD_HDR_NBDS_SHIFT);
9535 /* remember the first BD of the packet */
9536 tx_buf->first_bd = fp->tx_bd_prod;
9539 DP(NETIF_MSG_TX_QUEUED,
9540 "sending pkt %u @%p next_idx %u bd %u @%p\n",
9541 pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_bd);
9543 if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb)) {
9544 tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb));
9545 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG;
9548 tx_bd->vlan = cpu_to_le16(pkt_prod);
9552 /* turn on parsing and get a BD */
9553 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9554 pbd = (void *)&fp->tx_desc_ring[bd_prod];
9556 memset(pbd, 0, sizeof(struct eth_tx_parse_bd));
9559 if (xmit_type & XMIT_CSUM) {
9560 hlen = (skb_network_header(skb) - skb->data + vlan_off) / 2;
9562 /* for now NS flag is not used in Linux */
9563 pbd->global_data = (hlen |
9564 ((skb->protocol == ntohs(ETH_P_8021Q)) <<
9565 ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT));
9567 pbd->ip_hlen = (skb_transport_header(skb) -
9568 skb_network_header(skb)) / 2;
9570 hlen += pbd->ip_hlen + tcp_hdrlen(skb) / 2;
9572 pbd->total_hlen = cpu_to_le16(hlen);
9573 hlen = hlen*2 - vlan_off;
9575 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM;
9577 if (xmit_type & XMIT_CSUM_V4)
9578 tx_bd->bd_flags.as_bitfield |=
9579 ETH_TX_BD_FLAGS_IP_CSUM;
9581 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IPV6;
9583 if (xmit_type & XMIT_CSUM_TCP) {
9584 pbd->tcp_pseudo_csum = swab16(tcp_hdr(skb)->check);
9587 s8 fix = SKB_CS_OFF(skb); /* signed! */
9589 pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG;
9590 pbd->cs_offset = fix / 2;
9592 DP(NETIF_MSG_TX_QUEUED,
9593 "hlen %d offset %d fix %d csum before fix %x\n",
9594 le16_to_cpu(pbd->total_hlen), pbd->cs_offset, fix,
9597 /* HW bug: fixup the CSUM */
9598 pbd->tcp_pseudo_csum =
9599 bnx2x_csum_fix(skb_transport_header(skb),
9602 DP(NETIF_MSG_TX_QUEUED, "csum after fix %x\n",
9603 pbd->tcp_pseudo_csum);
9607 mapping = pci_map_single(bp->pdev, skb->data,
9608 skb_headlen(skb), PCI_DMA_TODEVICE);
9610 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9611 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9612 nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL) ? 1 : 2);
9613 tx_bd->nbd = cpu_to_le16(nbd);
9614 tx_bd->nbytes = cpu_to_le16(skb_headlen(skb));
9616 DP(NETIF_MSG_TX_QUEUED, "first bd @%p addr (%x:%x) nbd %d"
9617 " nbytes %d flags %x vlan %x\n",
9618 tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, le16_to_cpu(tx_bd->nbd),
9619 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield,
9620 le16_to_cpu(tx_bd->vlan));
9622 if (xmit_type & XMIT_GSO) {
9624 DP(NETIF_MSG_TX_QUEUED,
9625 "TSO packet len %d hlen %d total len %d tso size %d\n",
9626 skb->len, hlen, skb_headlen(skb),
9627 skb_shinfo(skb)->gso_size);
9629 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO;
9631 if (unlikely(skb_headlen(skb) > hlen))
9632 bd_prod = bnx2x_tx_split(bp, fp, &tx_bd, hlen,
9635 pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
9636 pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq);
9637 pbd->tcp_flags = pbd_tcp_flags(skb);
9639 if (xmit_type & XMIT_GSO_V4) {
9640 pbd->ip_id = swab16(ip_hdr(skb)->id);
9641 pbd->tcp_pseudo_csum =
9642 swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr,
9644 0, IPPROTO_TCP, 0));
9647 pbd->tcp_pseudo_csum =
9648 swab16(~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
9649 &ipv6_hdr(skb)->daddr,
9650 0, IPPROTO_TCP, 0));
9652 pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN;
9655 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
9656 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
9658 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9659 tx_bd = &fp->tx_desc_ring[bd_prod];
9661 mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
9662 frag->size, PCI_DMA_TODEVICE);
9664 tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
9665 tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
9666 tx_bd->nbytes = cpu_to_le16(frag->size);
9667 tx_bd->vlan = cpu_to_le16(pkt_prod);
9668 tx_bd->bd_flags.as_bitfield = 0;
9670 DP(NETIF_MSG_TX_QUEUED,
9671 "frag %d bd @%p addr (%x:%x) nbytes %d flags %x\n",
9672 i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo,
9673 le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield);
9676 /* now at last mark the BD as the last BD */
9677 tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD;
9679 DP(NETIF_MSG_TX_QUEUED, "last bd @%p flags %x\n",
9680 tx_bd, tx_bd->bd_flags.as_bitfield);
9682 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
9684 /* now send a tx doorbell, counting the next BD
9685 * if the packet contains or ends with it
9687 if (TX_BD_POFF(bd_prod) < nbd)
9691 DP(NETIF_MSG_TX_QUEUED,
9692 "PBD @%p ip_data %x ip_hlen %u ip_id %u lso_mss %u"
9693 " tcp_flags %x xsum %x seq %u hlen %u\n",
9694 pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id,
9695 pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum,
9696 pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen));
9698 DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d bd %u\n", nbd, bd_prod);
9700 fp->hw_tx_prods->bds_prod =
9701 cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + nbd);
9702 mb(); /* FW restriction: must not reorder writing nbd and packets */
9703 fp->hw_tx_prods->packets_prod =
9704 cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1);
9705 DOORBELL(bp, FP_IDX(fp), 0);
9709 fp->tx_bd_prod += nbd;
9710 dev->trans_start = jiffies;
9712 if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
9713 netif_stop_queue(dev);
9714 bp->eth_stats.driver_xoff++;
9715 if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
9716 netif_wake_queue(dev);
9720 return NETDEV_TX_OK;
9723 /* called with rtnl_lock */
9724 static int bnx2x_open(struct net_device *dev)
9726 struct bnx2x *bp = netdev_priv(dev);
9728 bnx2x_set_power_state(bp, PCI_D0);
9730 return bnx2x_nic_load(bp, LOAD_OPEN);
9733 /* called with rtnl_lock */
9734 static int bnx2x_close(struct net_device *dev)
9736 struct bnx2x *bp = netdev_priv(dev);
9738 /* Unload the driver, release IRQs */
9739 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
9740 if (atomic_read(&bp->pdev->enable_cnt) == 1)
9741 if (!CHIP_REV_IS_SLOW(bp))
9742 bnx2x_set_power_state(bp, PCI_D3hot);
9747 /* called with netif_tx_lock from set_multicast */
9748 static void bnx2x_set_rx_mode(struct net_device *dev)
9750 struct bnx2x *bp = netdev_priv(dev);
9751 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
9752 int port = BP_PORT(bp);
9754 if (bp->state != BNX2X_STATE_OPEN) {
9755 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
9759 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
9761 if (dev->flags & IFF_PROMISC)
9762 rx_mode = BNX2X_RX_MODE_PROMISC;
9764 else if ((dev->flags & IFF_ALLMULTI) ||
9765 ((dev->mc_count > BNX2X_MAX_MULTICAST) && CHIP_IS_E1(bp)))
9766 rx_mode = BNX2X_RX_MODE_ALLMULTI;
9768 else { /* some multicasts */
9769 if (CHIP_IS_E1(bp)) {
9771 struct dev_mc_list *mclist;
9772 struct mac_configuration_cmd *config =
9773 bnx2x_sp(bp, mcast_config);
9775 for (i = 0, mclist = dev->mc_list;
9776 mclist && (i < dev->mc_count);
9777 i++, mclist = mclist->next) {
9779 config->config_table[i].
9780 cam_entry.msb_mac_addr =
9781 swab16(*(u16 *)&mclist->dmi_addr[0]);
9782 config->config_table[i].
9783 cam_entry.middle_mac_addr =
9784 swab16(*(u16 *)&mclist->dmi_addr[2]);
9785 config->config_table[i].
9786 cam_entry.lsb_mac_addr =
9787 swab16(*(u16 *)&mclist->dmi_addr[4]);
9788 config->config_table[i].cam_entry.flags =
9790 config->config_table[i].
9791 target_table_entry.flags = 0;
9792 config->config_table[i].
9793 target_table_entry.client_id = 0;
9794 config->config_table[i].
9795 target_table_entry.vlan_id = 0;
9798 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
9799 config->config_table[i].
9800 cam_entry.msb_mac_addr,
9801 config->config_table[i].
9802 cam_entry.middle_mac_addr,
9803 config->config_table[i].
9804 cam_entry.lsb_mac_addr);
9806 old = config->hdr.length_6b;
9808 for (; i < old; i++) {
9809 if (CAM_IS_INVALID(config->
9811 i--; /* already invalidated */
9815 CAM_INVALIDATE(config->
9820 if (CHIP_REV_IS_SLOW(bp))
9821 offset = BNX2X_MAX_EMUL_MULTI*(1 + port);
9823 offset = BNX2X_MAX_MULTICAST*(1 + port);
9825 config->hdr.length_6b = i;
9826 config->hdr.offset = offset;
9827 config->hdr.client_id = BP_CL_ID(bp);
9828 config->hdr.reserved1 = 0;
9830 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
9831 U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
9832 U64_LO(bnx2x_sp_mapping(bp, mcast_config)),
9835 /* Accept one or more multicasts */
9836 struct dev_mc_list *mclist;
9837 u32 mc_filter[MC_HASH_SIZE];
9838 u32 crc, bit, regidx;
9841 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
9843 for (i = 0, mclist = dev->mc_list;
9844 mclist && (i < dev->mc_count);
9845 i++, mclist = mclist->next) {
9847 DP(NETIF_MSG_IFUP, "Adding mcast MAC: "
9848 "%02x:%02x:%02x:%02x:%02x:%02x\n",
9849 mclist->dmi_addr[0], mclist->dmi_addr[1],
9850 mclist->dmi_addr[2], mclist->dmi_addr[3],
9851 mclist->dmi_addr[4], mclist->dmi_addr[5]);
9853 crc = crc32c_le(0, mclist->dmi_addr, ETH_ALEN);
9854 bit = (crc >> 24) & 0xff;
9857 mc_filter[regidx] |= (1 << bit);
9860 for (i = 0; i < MC_HASH_SIZE; i++)
9861 REG_WR(bp, MC_HASH_OFFSET(bp, i),
9866 bp->rx_mode = rx_mode;
9867 bnx2x_set_storm_rx_mode(bp);
9870 /* called with rtnl_lock */
9871 static int bnx2x_change_mac_addr(struct net_device *dev, void *p)
9873 struct sockaddr *addr = p;
9874 struct bnx2x *bp = netdev_priv(dev);
9876 if (!is_valid_ether_addr((u8 *)(addr->sa_data)))
9879 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
9880 if (netif_running(dev)) {
9882 bnx2x_set_mac_addr_e1(bp, 1);
9884 bnx2x_set_mac_addr_e1h(bp, 1);
9890 /* called with rtnl_lock */
9891 static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9893 struct mii_ioctl_data *data = if_mii(ifr);
9894 struct bnx2x *bp = netdev_priv(dev);
9895 int port = BP_PORT(bp);
9900 data->phy_id = bp->port.phy_addr;
9907 if (!netif_running(dev))
9910 mutex_lock(&bp->port.phy_mutex);
9911 err = bnx2x_cl45_read(bp, port, 0, bp->port.phy_addr,
9912 DEFAULT_PHY_DEV_ADDR,
9913 (data->reg_num & 0x1f), &mii_regval);
9914 data->val_out = mii_regval;
9915 mutex_unlock(&bp->port.phy_mutex);
9920 if (!capable(CAP_NET_ADMIN))
9923 if (!netif_running(dev))
9926 mutex_lock(&bp->port.phy_mutex);
9927 err = bnx2x_cl45_write(bp, port, 0, bp->port.phy_addr,
9928 DEFAULT_PHY_DEV_ADDR,
9929 (data->reg_num & 0x1f), data->val_in);
9930 mutex_unlock(&bp->port.phy_mutex);
9941 /* called with rtnl_lock */
9942 static int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
9944 struct bnx2x *bp = netdev_priv(dev);
9947 if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) ||
9948 ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE))
9951 /* This does not race with packet allocation
9952 * because the actual alloc size is
9953 * only updated as part of load
9957 if (netif_running(dev)) {
9958 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
9959 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
9965 static void bnx2x_tx_timeout(struct net_device *dev)
9967 struct bnx2x *bp = netdev_priv(dev);
9969 #ifdef BNX2X_STOP_ON_ERROR
9973 /* This allows the netif to be shutdown gracefully before resetting */
9974 schedule_work(&bp->reset_task);
9978 /* called with rtnl_lock */
9979 static void bnx2x_vlan_rx_register(struct net_device *dev,
9980 struct vlan_group *vlgrp)
9982 struct bnx2x *bp = netdev_priv(dev);
9985 if (netif_running(dev))
9986 bnx2x_set_client_config(bp);
9991 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
9992 static void poll_bnx2x(struct net_device *dev)
9994 struct bnx2x *bp = netdev_priv(dev);
9996 disable_irq(bp->pdev->irq);
9997 bnx2x_interrupt(bp->pdev->irq, dev);
9998 enable_irq(bp->pdev->irq);
10002 static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
10003 struct net_device *dev)
10008 SET_NETDEV_DEV(dev, &pdev->dev);
10009 bp = netdev_priv(dev);
10014 bp->func = PCI_FUNC(pdev->devfn);
10016 rc = pci_enable_device(pdev);
10018 printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n");
10022 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
10023 printk(KERN_ERR PFX "Cannot find PCI device base address,"
10026 goto err_out_disable;
10029 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
10030 printk(KERN_ERR PFX "Cannot find second PCI device"
10031 " base address, aborting\n");
10033 goto err_out_disable;
10036 if (atomic_read(&pdev->enable_cnt) == 1) {
10037 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
10039 printk(KERN_ERR PFX "Cannot obtain PCI resources,"
10041 goto err_out_disable;
10044 pci_set_master(pdev);
10045 pci_save_state(pdev);
10048 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
10049 if (bp->pm_cap == 0) {
10050 printk(KERN_ERR PFX "Cannot find power management"
10051 " capability, aborting\n");
10053 goto err_out_release;
10056 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
10057 if (bp->pcie_cap == 0) {
10058 printk(KERN_ERR PFX "Cannot find PCI Express capability,"
10061 goto err_out_release;
10064 if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
10065 bp->flags |= USING_DAC_FLAG;
10066 if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
10067 printk(KERN_ERR PFX "pci_set_consistent_dma_mask"
10068 " failed, aborting\n");
10070 goto err_out_release;
10073 } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
10074 printk(KERN_ERR PFX "System does not support DMA,"
10077 goto err_out_release;
10080 dev->mem_start = pci_resource_start(pdev, 0);
10081 dev->base_addr = dev->mem_start;
10082 dev->mem_end = pci_resource_end(pdev, 0);
10084 dev->irq = pdev->irq;
10086 bp->regview = ioremap_nocache(dev->base_addr,
10087 pci_resource_len(pdev, 0));
10088 if (!bp->regview) {
10089 printk(KERN_ERR PFX "Cannot map register space, aborting\n");
10091 goto err_out_release;
10094 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
10095 min_t(u64, BNX2X_DB_SIZE,
10096 pci_resource_len(pdev, 2)));
10097 if (!bp->doorbells) {
10098 printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n");
10100 goto err_out_unmap;
10103 bnx2x_set_power_state(bp, PCI_D0);
10105 /* clean indirect addresses */
10106 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
10107 PCICFG_VENDOR_ID_OFFSET);
10108 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
10109 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
10110 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
10111 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
10113 dev->hard_start_xmit = bnx2x_start_xmit;
10114 dev->watchdog_timeo = TX_TIMEOUT;
10116 dev->ethtool_ops = &bnx2x_ethtool_ops;
10117 dev->open = bnx2x_open;
10118 dev->stop = bnx2x_close;
10119 dev->set_multicast_list = bnx2x_set_rx_mode;
10120 dev->set_mac_address = bnx2x_change_mac_addr;
10121 dev->do_ioctl = bnx2x_ioctl;
10122 dev->change_mtu = bnx2x_change_mtu;
10123 dev->tx_timeout = bnx2x_tx_timeout;
10125 dev->vlan_rx_register = bnx2x_vlan_rx_register;
10127 #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
10128 dev->poll_controller = poll_bnx2x;
10130 dev->features |= NETIF_F_SG;
10131 dev->features |= NETIF_F_HW_CSUM;
10132 if (bp->flags & USING_DAC_FLAG)
10133 dev->features |= NETIF_F_HIGHDMA;
10135 dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
10137 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
10138 dev->features |= NETIF_F_TSO6;
10144 iounmap(bp->regview);
10145 bp->regview = NULL;
10147 if (bp->doorbells) {
10148 iounmap(bp->doorbells);
10149 bp->doorbells = NULL;
10153 if (atomic_read(&pdev->enable_cnt) == 1)
10154 pci_release_regions(pdev);
10157 pci_disable_device(pdev);
10158 pci_set_drvdata(pdev, NULL);
10164 static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp)
10166 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10168 val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
10172 /* return value of 1=2.5GHz 2=5GHz */
10173 static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp)
10175 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
10177 val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
10181 static int __devinit bnx2x_init_one(struct pci_dev *pdev,
10182 const struct pci_device_id *ent)
10184 static int version_printed;
10185 struct net_device *dev = NULL;
10188 DECLARE_MAC_BUF(mac);
10190 if (version_printed++ == 0)
10191 printk(KERN_INFO "%s", version);
10193 /* dev zeroed in init_etherdev */
10194 dev = alloc_etherdev(sizeof(*bp));
10196 printk(KERN_ERR PFX "Cannot allocate net device\n");
10200 netif_carrier_off(dev);
10202 bp = netdev_priv(dev);
10203 bp->msglevel = debug;
10205 rc = bnx2x_init_dev(pdev, dev);
10211 rc = register_netdev(dev);
10213 dev_err(&pdev->dev, "Cannot register net device\n");
10214 goto init_one_exit;
10217 pci_set_drvdata(pdev, dev);
10219 rc = bnx2x_init_bp(bp);
10221 unregister_netdev(dev);
10222 goto init_one_exit;
10225 bp->common.name = board_info[ent->driver_data].name;
10226 printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx,"
10227 " IRQ %d, ", dev->name, bp->common.name,
10228 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
10229 bnx2x_get_pcie_width(bp),
10230 (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz",
10231 dev->base_addr, bp->pdev->irq);
10232 printk(KERN_CONT "node addr %s\n", print_mac(mac, dev->dev_addr));
10237 iounmap(bp->regview);
10240 iounmap(bp->doorbells);
10244 if (atomic_read(&pdev->enable_cnt) == 1)
10245 pci_release_regions(pdev);
10247 pci_disable_device(pdev);
10248 pci_set_drvdata(pdev, NULL);
10253 static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
10255 struct net_device *dev = pci_get_drvdata(pdev);
10259 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10262 bp = netdev_priv(dev);
10264 unregister_netdev(dev);
10267 iounmap(bp->regview);
10270 iounmap(bp->doorbells);
10274 if (atomic_read(&pdev->enable_cnt) == 1)
10275 pci_release_regions(pdev);
10277 pci_disable_device(pdev);
10278 pci_set_drvdata(pdev, NULL);
10281 static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
10283 struct net_device *dev = pci_get_drvdata(pdev);
10287 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10290 bp = netdev_priv(dev);
10294 pci_save_state(pdev);
10296 if (!netif_running(dev)) {
10301 netif_device_detach(dev);
10303 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
10305 bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
10312 static int bnx2x_resume(struct pci_dev *pdev)
10314 struct net_device *dev = pci_get_drvdata(pdev);
10319 printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n");
10322 bp = netdev_priv(dev);
10326 pci_restore_state(pdev);
10328 if (!netif_running(dev)) {
10333 bnx2x_set_power_state(bp, PCI_D0);
10334 netif_device_attach(dev);
10336 rc = bnx2x_nic_load(bp, LOAD_OPEN);
10344 * bnx2x_io_error_detected - called when PCI error is detected
10345 * @pdev: Pointer to PCI device
10346 * @state: The current pci connection state
10348 * This function is called after a PCI bus error affecting
10349 * this device has been detected.
10351 static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
10352 pci_channel_state_t state)
10354 struct net_device *dev = pci_get_drvdata(pdev);
10355 struct bnx2x *bp = netdev_priv(dev);
10359 netif_device_detach(dev);
10361 if (netif_running(dev))
10362 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
10364 pci_disable_device(pdev);
10368 /* Request a slot reset */
10369 return PCI_ERS_RESULT_NEED_RESET;
10373 * bnx2x_io_slot_reset - called after the PCI bus has been reset
10374 * @pdev: Pointer to PCI device
10376 * Restart the card from scratch, as if from a cold-boot.
10378 static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
10380 struct net_device *dev = pci_get_drvdata(pdev);
10381 struct bnx2x *bp = netdev_priv(dev);
10385 if (pci_enable_device(pdev)) {
10386 dev_err(&pdev->dev,
10387 "Cannot re-enable PCI device after reset\n");
10389 return PCI_ERS_RESULT_DISCONNECT;
10392 pci_set_master(pdev);
10393 pci_restore_state(pdev);
10395 if (netif_running(dev))
10396 bnx2x_set_power_state(bp, PCI_D0);
10400 return PCI_ERS_RESULT_RECOVERED;
10404 * bnx2x_io_resume - called when traffic can start flowing again
10405 * @pdev: Pointer to PCI device
10407 * This callback is called when the error recovery driver tells us that
10408 * its OK to resume normal operation.
10410 static void bnx2x_io_resume(struct pci_dev *pdev)
10412 struct net_device *dev = pci_get_drvdata(pdev);
10413 struct bnx2x *bp = netdev_priv(dev);
10417 if (netif_running(dev))
10418 bnx2x_nic_load(bp, LOAD_OPEN);
10420 netif_device_attach(dev);
10425 static struct pci_error_handlers bnx2x_err_handler = {
10426 .error_detected = bnx2x_io_error_detected,
10427 .slot_reset = bnx2x_io_slot_reset,
10428 .resume = bnx2x_io_resume,
10431 static struct pci_driver bnx2x_pci_driver = {
10432 .name = DRV_MODULE_NAME,
10433 .id_table = bnx2x_pci_tbl,
10434 .probe = bnx2x_init_one,
10435 .remove = __devexit_p(bnx2x_remove_one),
10436 .suspend = bnx2x_suspend,
10437 .resume = bnx2x_resume,
10438 .err_handler = &bnx2x_err_handler,
10441 static int __init bnx2x_init(void)
10443 return pci_register_driver(&bnx2x_pci_driver);
10446 static void __exit bnx2x_cleanup(void)
10448 pci_unregister_driver(&bnx2x_pci_driver);
10451 module_init(bnx2x_init);
10452 module_exit(bnx2x_cleanup);