1 /* bnx2x_main.c: Broadcom Everest network driver.
3 * Copyright (c) 2007-2010 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 and fastpath 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/interrupt.h>
27 #include <linux/pci.h>
28 #include <linux/init.h>
29 #include <linux/netdevice.h>
30 #include <linux/etherdevice.h>
31 #include <linux/skbuff.h>
32 #include <linux/dma-mapping.h>
33 #include <linux/bitops.h>
34 #include <linux/irq.h>
35 #include <linux/delay.h>
36 #include <asm/byteorder.h>
37 #include <linux/time.h>
38 #include <linux/ethtool.h>
39 #include <linux/mii.h>
40 #include <linux/if_vlan.h>
43 #include <net/checksum.h>
44 #include <net/ip6_checksum.h>
45 #include <linux/workqueue.h>
46 #include <linux/crc32.h>
47 #include <linux/crc32c.h>
48 #include <linux/prefetch.h>
49 #include <linux/zlib.h>
51 #include <linux/stringify.h>
55 #include "bnx2x_init.h"
56 #include "bnx2x_init_ops.h"
57 #include "bnx2x_cmn.h"
58 #include "bnx2x_dcb.h"
60 #include <linux/firmware.h>
61 #include "bnx2x_fw_file_hdr.h"
63 #define FW_FILE_VERSION \
64 __stringify(BCM_5710_FW_MAJOR_VERSION) "." \
65 __stringify(BCM_5710_FW_MINOR_VERSION) "." \
66 __stringify(BCM_5710_FW_REVISION_VERSION) "." \
67 __stringify(BCM_5710_FW_ENGINEERING_VERSION)
68 #define FW_FILE_NAME_E1 "bnx2x/bnx2x-e1-" FW_FILE_VERSION ".fw"
69 #define FW_FILE_NAME_E1H "bnx2x/bnx2x-e1h-" FW_FILE_VERSION ".fw"
70 #define FW_FILE_NAME_E2 "bnx2x/bnx2x-e2-" FW_FILE_VERSION ".fw"
72 /* Time in jiffies before concluding the transmitter is hung */
73 #define TX_TIMEOUT (5*HZ)
75 static char version[] __devinitdata =
76 "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
77 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
79 MODULE_AUTHOR("Eliezer Tamir");
80 MODULE_DESCRIPTION("Broadcom NetXtreme II "
81 "BCM57710/57711/57711E/57712/57712E Driver");
82 MODULE_LICENSE("GPL");
83 MODULE_VERSION(DRV_MODULE_VERSION);
84 MODULE_FIRMWARE(FW_FILE_NAME_E1);
85 MODULE_FIRMWARE(FW_FILE_NAME_E1H);
86 MODULE_FIRMWARE(FW_FILE_NAME_E2);
88 static int multi_mode = 1;
89 module_param(multi_mode, int, 0);
90 MODULE_PARM_DESC(multi_mode, " Multi queue mode "
91 "(0 Disable; 1 Enable (default))");
94 module_param(num_queues, int, 0);
95 MODULE_PARM_DESC(num_queues, " Number of queues for multi_mode=1"
96 " (default is as a number of CPUs)");
98 static int disable_tpa;
99 module_param(disable_tpa, int, 0);
100 MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature");
103 module_param(int_mode, int, 0);
104 MODULE_PARM_DESC(int_mode, " Force interrupt mode other then MSI-X "
107 static int dropless_fc;
108 module_param(dropless_fc, int, 0);
109 MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");
112 module_param(poll, int, 0);
113 MODULE_PARM_DESC(poll, " Use polling (for debug)");
115 static int mrrs = -1;
116 module_param(mrrs, int, 0);
117 MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");
120 module_param(debug, int, 0);
121 MODULE_PARM_DESC(debug, " Default debug msglevel");
123 static struct workqueue_struct *bnx2x_wq;
126 static u8 ALL_ENODE_MACS[] = {0x01, 0x10, 0x18, 0x01, 0x00, 0x01};
129 enum bnx2x_board_type {
137 /* indexed by board_type, above */
140 } board_info[] __devinitdata = {
141 { "Broadcom NetXtreme II BCM57710 XGb" },
142 { "Broadcom NetXtreme II BCM57711 XGb" },
143 { "Broadcom NetXtreme II BCM57711E XGb" },
144 { "Broadcom NetXtreme II BCM57712 XGb" },
145 { "Broadcom NetXtreme II BCM57712E XGb" }
148 #ifndef PCI_DEVICE_ID_NX2_57712
149 #define PCI_DEVICE_ID_NX2_57712 0x1662
151 #ifndef PCI_DEVICE_ID_NX2_57712E
152 #define PCI_DEVICE_ID_NX2_57712E 0x1663
155 static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
156 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
157 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
158 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
159 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
160 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712E), BCM57712E },
164 MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
166 /****************************************************************************
167 * General service functions
168 ****************************************************************************/
170 static inline void __storm_memset_dma_mapping(struct bnx2x *bp,
171 u32 addr, dma_addr_t mapping)
173 REG_WR(bp, addr, U64_LO(mapping));
174 REG_WR(bp, addr + 4, U64_HI(mapping));
177 static inline void __storm_memset_fill(struct bnx2x *bp,
178 u32 addr, size_t size, u32 val)
181 for (i = 0; i < size/4; i++)
182 REG_WR(bp, addr + (i * 4), val);
185 static inline void storm_memset_ustats_zero(struct bnx2x *bp,
186 u8 port, u16 stat_id)
188 size_t size = sizeof(struct ustorm_per_client_stats);
190 u32 addr = BAR_USTRORM_INTMEM +
191 USTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
193 __storm_memset_fill(bp, addr, size, 0);
196 static inline void storm_memset_tstats_zero(struct bnx2x *bp,
197 u8 port, u16 stat_id)
199 size_t size = sizeof(struct tstorm_per_client_stats);
201 u32 addr = BAR_TSTRORM_INTMEM +
202 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
204 __storm_memset_fill(bp, addr, size, 0);
207 static inline void storm_memset_xstats_zero(struct bnx2x *bp,
208 u8 port, u16 stat_id)
210 size_t size = sizeof(struct xstorm_per_client_stats);
212 u32 addr = BAR_XSTRORM_INTMEM +
213 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
215 __storm_memset_fill(bp, addr, size, 0);
219 static inline void storm_memset_spq_addr(struct bnx2x *bp,
220 dma_addr_t mapping, u16 abs_fid)
222 u32 addr = XSEM_REG_FAST_MEMORY +
223 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
225 __storm_memset_dma_mapping(bp, addr, mapping);
228 static inline void storm_memset_ov(struct bnx2x *bp, u16 ov, u16 abs_fid)
230 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(abs_fid), ov);
233 static inline void storm_memset_func_cfg(struct bnx2x *bp,
234 struct tstorm_eth_function_common_config *tcfg,
237 size_t size = sizeof(struct tstorm_eth_function_common_config);
239 u32 addr = BAR_TSTRORM_INTMEM +
240 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
242 __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
245 static inline void storm_memset_xstats_flags(struct bnx2x *bp,
246 struct stats_indication_flags *flags,
249 size_t size = sizeof(struct stats_indication_flags);
251 u32 addr = BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(abs_fid);
253 __storm_memset_struct(bp, addr, size, (u32 *)flags);
256 static inline void storm_memset_tstats_flags(struct bnx2x *bp,
257 struct stats_indication_flags *flags,
260 size_t size = sizeof(struct stats_indication_flags);
262 u32 addr = BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(abs_fid);
264 __storm_memset_struct(bp, addr, size, (u32 *)flags);
267 static inline void storm_memset_ustats_flags(struct bnx2x *bp,
268 struct stats_indication_flags *flags,
271 size_t size = sizeof(struct stats_indication_flags);
273 u32 addr = BAR_USTRORM_INTMEM + USTORM_STATS_FLAGS_OFFSET(abs_fid);
275 __storm_memset_struct(bp, addr, size, (u32 *)flags);
278 static inline void storm_memset_cstats_flags(struct bnx2x *bp,
279 struct stats_indication_flags *flags,
282 size_t size = sizeof(struct stats_indication_flags);
284 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(abs_fid);
286 __storm_memset_struct(bp, addr, size, (u32 *)flags);
289 static inline void storm_memset_xstats_addr(struct bnx2x *bp,
290 dma_addr_t mapping, u16 abs_fid)
292 u32 addr = BAR_XSTRORM_INTMEM +
293 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
295 __storm_memset_dma_mapping(bp, addr, mapping);
298 static inline void storm_memset_tstats_addr(struct bnx2x *bp,
299 dma_addr_t mapping, u16 abs_fid)
301 u32 addr = BAR_TSTRORM_INTMEM +
302 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
304 __storm_memset_dma_mapping(bp, addr, mapping);
307 static inline void storm_memset_ustats_addr(struct bnx2x *bp,
308 dma_addr_t mapping, u16 abs_fid)
310 u32 addr = BAR_USTRORM_INTMEM +
311 USTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
313 __storm_memset_dma_mapping(bp, addr, mapping);
316 static inline void storm_memset_cstats_addr(struct bnx2x *bp,
317 dma_addr_t mapping, u16 abs_fid)
319 u32 addr = BAR_CSTRORM_INTMEM +
320 CSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
322 __storm_memset_dma_mapping(bp, addr, mapping);
325 static inline void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
328 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
330 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
332 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
334 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
338 static inline void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
341 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
343 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
345 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
347 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
351 static inline void storm_memset_eq_data(struct bnx2x *bp,
352 struct event_ring_data *eq_data,
355 size_t size = sizeof(struct event_ring_data);
357 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
359 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
362 static inline void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
365 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
366 REG_WR16(bp, addr, eq_prod);
369 static inline void storm_memset_hc_timeout(struct bnx2x *bp, u8 port,
370 u16 fw_sb_id, u8 sb_index,
374 int index_offset = CHIP_IS_E2(bp) ?
375 offsetof(struct hc_status_block_data_e2, index_data) :
376 offsetof(struct hc_status_block_data_e1x, index_data);
377 u32 addr = BAR_CSTRORM_INTMEM +
378 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
380 sizeof(struct hc_index_data)*sb_index +
381 offsetof(struct hc_index_data, timeout);
382 REG_WR8(bp, addr, ticks);
383 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d ticks %d\n",
384 port, fw_sb_id, sb_index, ticks);
386 static inline void storm_memset_hc_disable(struct bnx2x *bp, u8 port,
387 u16 fw_sb_id, u8 sb_index,
390 u32 enable_flag = disable ? 0 : (1 << HC_INDEX_DATA_HC_ENABLED_SHIFT);
391 int index_offset = CHIP_IS_E2(bp) ?
392 offsetof(struct hc_status_block_data_e2, index_data) :
393 offsetof(struct hc_status_block_data_e1x, index_data);
394 u32 addr = BAR_CSTRORM_INTMEM +
395 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
397 sizeof(struct hc_index_data)*sb_index +
398 offsetof(struct hc_index_data, flags);
399 u16 flags = REG_RD16(bp, addr);
401 flags &= ~HC_INDEX_DATA_HC_ENABLED;
402 flags |= enable_flag;
403 REG_WR16(bp, addr, flags);
404 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d disable %d\n",
405 port, fw_sb_id, sb_index, disable);
409 * locking is done by mcp
411 static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
413 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
414 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
415 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
416 PCICFG_VENDOR_ID_OFFSET);
419 static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
423 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
424 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
425 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
426 PCICFG_VENDOR_ID_OFFSET);
431 #define DMAE_DP_SRC_GRC "grc src_addr [%08x]"
432 #define DMAE_DP_SRC_PCI "pci src_addr [%x:%08x]"
433 #define DMAE_DP_DST_GRC "grc dst_addr [%08x]"
434 #define DMAE_DP_DST_PCI "pci dst_addr [%x:%08x]"
435 #define DMAE_DP_DST_NONE "dst_addr [none]"
437 static void bnx2x_dp_dmae(struct bnx2x *bp, struct dmae_command *dmae,
440 u32 src_type = dmae->opcode & DMAE_COMMAND_SRC;
442 switch (dmae->opcode & DMAE_COMMAND_DST) {
443 case DMAE_CMD_DST_PCI:
444 if (src_type == DMAE_CMD_SRC_PCI)
445 DP(msglvl, "DMAE: opcode 0x%08x\n"
446 "src [%x:%08x], len [%d*4], dst [%x:%08x]\n"
447 "comp_addr [%x:%08x], comp_val 0x%08x\n",
448 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
449 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
450 dmae->comp_addr_hi, dmae->comp_addr_lo,
453 DP(msglvl, "DMAE: opcode 0x%08x\n"
454 "src [%08x], len [%d*4], dst [%x:%08x]\n"
455 "comp_addr [%x:%08x], comp_val 0x%08x\n",
456 dmae->opcode, dmae->src_addr_lo >> 2,
457 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
458 dmae->comp_addr_hi, dmae->comp_addr_lo,
461 case DMAE_CMD_DST_GRC:
462 if (src_type == DMAE_CMD_SRC_PCI)
463 DP(msglvl, "DMAE: opcode 0x%08x\n"
464 "src [%x:%08x], len [%d*4], dst_addr [%08x]\n"
465 "comp_addr [%x:%08x], comp_val 0x%08x\n",
466 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
467 dmae->len, dmae->dst_addr_lo >> 2,
468 dmae->comp_addr_hi, dmae->comp_addr_lo,
471 DP(msglvl, "DMAE: opcode 0x%08x\n"
472 "src [%08x], len [%d*4], dst [%08x]\n"
473 "comp_addr [%x:%08x], comp_val 0x%08x\n",
474 dmae->opcode, dmae->src_addr_lo >> 2,
475 dmae->len, dmae->dst_addr_lo >> 2,
476 dmae->comp_addr_hi, dmae->comp_addr_lo,
480 if (src_type == DMAE_CMD_SRC_PCI)
481 DP(msglvl, "DMAE: opcode 0x%08x\n"
482 DP_LEVEL "src_addr [%x:%08x] len [%d * 4] "
484 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
485 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
486 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
489 DP(msglvl, "DMAE: opcode 0x%08x\n"
490 DP_LEVEL "src_addr [%08x] len [%d * 4] "
492 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
493 dmae->opcode, dmae->src_addr_lo >> 2,
494 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
501 const u32 dmae_reg_go_c[] = {
502 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
503 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
504 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
505 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
508 /* copy command into DMAE command memory and set DMAE command go */
509 void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
514 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
515 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
516 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
518 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
519 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
521 REG_WR(bp, dmae_reg_go_c[idx], 1);
524 u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
526 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
530 u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
532 return opcode & ~DMAE_CMD_SRC_RESET;
535 u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
536 bool with_comp, u8 comp_type)
540 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
541 (dst_type << DMAE_COMMAND_DST_SHIFT));
543 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
545 opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
546 opcode |= ((BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT) |
547 (BP_E1HVN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
548 opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
551 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
553 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
556 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
560 static void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
561 struct dmae_command *dmae,
562 u8 src_type, u8 dst_type)
564 memset(dmae, 0, sizeof(struct dmae_command));
567 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
568 true, DMAE_COMP_PCI);
570 /* fill in the completion parameters */
571 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
572 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
573 dmae->comp_val = DMAE_COMP_VAL;
576 /* issue a dmae command over the init-channel and wailt for completion */
577 static int bnx2x_issue_dmae_with_comp(struct bnx2x *bp,
578 struct dmae_command *dmae)
580 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
581 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 40;
584 DP(BNX2X_MSG_OFF, "data before [0x%08x 0x%08x 0x%08x 0x%08x]\n",
585 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
586 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
588 /* lock the dmae channel */
589 spin_lock_bh(&bp->dmae_lock);
591 /* reset completion */
594 /* post the command on the channel used for initializations */
595 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
597 /* wait for completion */
599 while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
600 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
603 BNX2X_ERR("DMAE timeout!\n");
610 if (*wb_comp & DMAE_PCI_ERR_FLAG) {
611 BNX2X_ERR("DMAE PCI error!\n");
615 DP(BNX2X_MSG_OFF, "data after [0x%08x 0x%08x 0x%08x 0x%08x]\n",
616 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
617 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
620 spin_unlock_bh(&bp->dmae_lock);
624 void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
627 struct dmae_command dmae;
629 if (!bp->dmae_ready) {
630 u32 *data = bnx2x_sp(bp, wb_data[0]);
632 DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)"
633 " using indirect\n", dst_addr, len32);
634 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
638 /* set opcode and fixed command fields */
639 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
641 /* fill in addresses and len */
642 dmae.src_addr_lo = U64_LO(dma_addr);
643 dmae.src_addr_hi = U64_HI(dma_addr);
644 dmae.dst_addr_lo = dst_addr >> 2;
645 dmae.dst_addr_hi = 0;
648 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
650 /* issue the command and wait for completion */
651 bnx2x_issue_dmae_with_comp(bp, &dmae);
654 void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
656 struct dmae_command dmae;
658 if (!bp->dmae_ready) {
659 u32 *data = bnx2x_sp(bp, wb_data[0]);
662 DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)"
663 " using indirect\n", src_addr, len32);
664 for (i = 0; i < len32; i++)
665 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
669 /* set opcode and fixed command fields */
670 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
672 /* fill in addresses and len */
673 dmae.src_addr_lo = src_addr >> 2;
674 dmae.src_addr_hi = 0;
675 dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
676 dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
679 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
681 /* issue the command and wait for completion */
682 bnx2x_issue_dmae_with_comp(bp, &dmae);
685 static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
688 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
691 while (len > dmae_wr_max) {
692 bnx2x_write_dmae(bp, phys_addr + offset,
693 addr + offset, dmae_wr_max);
694 offset += dmae_wr_max * 4;
698 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
701 /* used only for slowpath so not inlined */
702 static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
706 wb_write[0] = val_hi;
707 wb_write[1] = val_lo;
708 REG_WR_DMAE(bp, reg, wb_write, 2);
712 static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
716 REG_RD_DMAE(bp, reg, wb_data, 2);
718 return HILO_U64(wb_data[0], wb_data[1]);
722 static int bnx2x_mc_assert(struct bnx2x *bp)
726 u32 row0, row1, row2, row3;
729 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
730 XSTORM_ASSERT_LIST_INDEX_OFFSET);
732 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
734 /* print the asserts */
735 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
737 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
738 XSTORM_ASSERT_LIST_OFFSET(i));
739 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
740 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
741 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
742 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
743 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
744 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
746 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
747 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
748 " 0x%08x 0x%08x 0x%08x\n",
749 i, row3, row2, row1, row0);
757 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
758 TSTORM_ASSERT_LIST_INDEX_OFFSET);
760 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
762 /* print the asserts */
763 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
765 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
766 TSTORM_ASSERT_LIST_OFFSET(i));
767 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
768 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
769 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
770 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
771 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
772 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
774 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
775 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
776 " 0x%08x 0x%08x 0x%08x\n",
777 i, row3, row2, row1, row0);
785 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
786 CSTORM_ASSERT_LIST_INDEX_OFFSET);
788 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
790 /* print the asserts */
791 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
793 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
794 CSTORM_ASSERT_LIST_OFFSET(i));
795 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
796 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
797 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
798 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
799 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
800 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
802 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
803 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
804 " 0x%08x 0x%08x 0x%08x\n",
805 i, row3, row2, row1, row0);
813 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
814 USTORM_ASSERT_LIST_INDEX_OFFSET);
816 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
818 /* print the asserts */
819 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
821 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
822 USTORM_ASSERT_LIST_OFFSET(i));
823 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
824 USTORM_ASSERT_LIST_OFFSET(i) + 4);
825 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
826 USTORM_ASSERT_LIST_OFFSET(i) + 8);
827 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
828 USTORM_ASSERT_LIST_OFFSET(i) + 12);
830 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
831 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
832 " 0x%08x 0x%08x 0x%08x\n",
833 i, row3, row2, row1, row0);
843 static void bnx2x_fw_dump(struct bnx2x *bp)
849 u32 trace_shmem_base;
851 BNX2X_ERR("NO MCP - can not dump\n");
855 if (BP_PATH(bp) == 0)
856 trace_shmem_base = bp->common.shmem_base;
858 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
859 addr = trace_shmem_base - 0x0800 + 4;
860 mark = REG_RD(bp, addr);
861 mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
862 + ((mark + 0x3) & ~0x3) - 0x08000000;
863 pr_err("begin fw dump (mark 0x%x)\n", mark);
866 for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
867 for (word = 0; word < 8; word++)
868 data[word] = htonl(REG_RD(bp, offset + 4*word));
870 pr_cont("%s", (char *)data);
872 for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
873 for (word = 0; word < 8; word++)
874 data[word] = htonl(REG_RD(bp, offset + 4*word));
876 pr_cont("%s", (char *)data);
878 pr_err("end of fw dump\n");
881 void bnx2x_panic_dump(struct bnx2x *bp)
885 struct hc_sp_status_block_data sp_sb_data;
886 int func = BP_FUNC(bp);
887 #ifdef BNX2X_STOP_ON_ERROR
888 u16 start = 0, end = 0;
891 bp->stats_state = STATS_STATE_DISABLED;
892 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
894 BNX2X_ERR("begin crash dump -----------------\n");
898 BNX2X_ERR("def_idx(0x%x) def_att_idx(0x%x) attn_state(0x%x)"
899 " spq_prod_idx(0x%x)\n",
900 bp->def_idx, bp->def_att_idx,
901 bp->attn_state, bp->spq_prod_idx);
902 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
903 bp->def_status_blk->atten_status_block.attn_bits,
904 bp->def_status_blk->atten_status_block.attn_bits_ack,
905 bp->def_status_blk->atten_status_block.status_block_id,
906 bp->def_status_blk->atten_status_block.attn_bits_index);
908 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
910 bp->def_status_blk->sp_sb.index_values[i],
911 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
913 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
914 *((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
915 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
918 pr_cont("igu_sb_id(0x%x) igu_seg_id (0x%x) "
919 "pf_id(0x%x) vnic_id(0x%x) "
920 "vf_id(0x%x) vf_valid (0x%x)\n",
921 sp_sb_data.igu_sb_id,
922 sp_sb_data.igu_seg_id,
923 sp_sb_data.p_func.pf_id,
924 sp_sb_data.p_func.vnic_id,
925 sp_sb_data.p_func.vf_id,
926 sp_sb_data.p_func.vf_valid);
929 for_each_eth_queue(bp, i) {
930 struct bnx2x_fastpath *fp = &bp->fp[i];
932 struct hc_status_block_data_e2 sb_data_e2;
933 struct hc_status_block_data_e1x sb_data_e1x;
934 struct hc_status_block_sm *hc_sm_p =
936 sb_data_e2.common.state_machine :
937 sb_data_e1x.common.state_machine;
938 struct hc_index_data *hc_index_p =
940 sb_data_e2.index_data :
941 sb_data_e1x.index_data;
946 BNX2X_ERR("fp%d: rx_bd_prod(0x%x) rx_bd_cons(0x%x)"
947 " rx_comp_prod(0x%x)"
948 " rx_comp_cons(0x%x) *rx_cons_sb(0x%x)\n",
949 i, fp->rx_bd_prod, fp->rx_bd_cons,
951 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
952 BNX2X_ERR(" rx_sge_prod(0x%x) last_max_sge(0x%x)"
953 " fp_hc_idx(0x%x)\n",
954 fp->rx_sge_prod, fp->last_max_sge,
955 le16_to_cpu(fp->fp_hc_idx));
958 BNX2X_ERR("fp%d: tx_pkt_prod(0x%x) tx_pkt_cons(0x%x)"
959 " tx_bd_prod(0x%x) tx_bd_cons(0x%x)"
960 " *tx_cons_sb(0x%x)\n",
961 i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
962 fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
964 loop = CHIP_IS_E2(bp) ?
965 HC_SB_MAX_INDICES_E2 : HC_SB_MAX_INDICES_E1X;
973 BNX2X_ERR(" run indexes (");
974 for (j = 0; j < HC_SB_MAX_SM; j++)
976 fp->sb_running_index[j],
977 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
979 BNX2X_ERR(" indexes (");
980 for (j = 0; j < loop; j++)
982 fp->sb_index_values[j],
983 (j == loop - 1) ? ")" : " ");
985 data_size = CHIP_IS_E2(bp) ?
986 sizeof(struct hc_status_block_data_e2) :
987 sizeof(struct hc_status_block_data_e1x);
988 data_size /= sizeof(u32);
989 sb_data_p = CHIP_IS_E2(bp) ?
992 /* copy sb data in here */
993 for (j = 0; j < data_size; j++)
994 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
995 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
998 if (CHIP_IS_E2(bp)) {
999 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
1000 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
1001 sb_data_e2.common.p_func.pf_id,
1002 sb_data_e2.common.p_func.vf_id,
1003 sb_data_e2.common.p_func.vf_valid,
1004 sb_data_e2.common.p_func.vnic_id,
1005 sb_data_e2.common.same_igu_sb_1b);
1007 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
1008 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
1009 sb_data_e1x.common.p_func.pf_id,
1010 sb_data_e1x.common.p_func.vf_id,
1011 sb_data_e1x.common.p_func.vf_valid,
1012 sb_data_e1x.common.p_func.vnic_id,
1013 sb_data_e1x.common.same_igu_sb_1b);
1017 for (j = 0; j < HC_SB_MAX_SM; j++) {
1018 pr_cont("SM[%d] __flags (0x%x) "
1019 "igu_sb_id (0x%x) igu_seg_id(0x%x) "
1020 "time_to_expire (0x%x) "
1021 "timer_value(0x%x)\n", j,
1023 hc_sm_p[j].igu_sb_id,
1024 hc_sm_p[j].igu_seg_id,
1025 hc_sm_p[j].time_to_expire,
1026 hc_sm_p[j].timer_value);
1030 for (j = 0; j < loop; j++) {
1031 pr_cont("INDEX[%d] flags (0x%x) "
1032 "timeout (0x%x)\n", j,
1033 hc_index_p[j].flags,
1034 hc_index_p[j].timeout);
1038 #ifdef BNX2X_STOP_ON_ERROR
1041 for_each_rx_queue(bp, i) {
1042 struct bnx2x_fastpath *fp = &bp->fp[i];
1044 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
1045 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
1046 for (j = start; j != end; j = RX_BD(j + 1)) {
1047 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
1048 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
1050 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
1051 i, j, rx_bd[1], rx_bd[0], sw_bd->skb);
1054 start = RX_SGE(fp->rx_sge_prod);
1055 end = RX_SGE(fp->last_max_sge);
1056 for (j = start; j != end; j = RX_SGE(j + 1)) {
1057 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
1058 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
1060 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
1061 i, j, rx_sge[1], rx_sge[0], sw_page->page);
1064 start = RCQ_BD(fp->rx_comp_cons - 10);
1065 end = RCQ_BD(fp->rx_comp_cons + 503);
1066 for (j = start; j != end; j = RCQ_BD(j + 1)) {
1067 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
1069 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
1070 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
1075 for_each_tx_queue(bp, i) {
1076 struct bnx2x_fastpath *fp = &bp->fp[i];
1078 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
1079 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
1080 for (j = start; j != end; j = TX_BD(j + 1)) {
1081 struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
1083 BNX2X_ERR("fp%d: packet[%x]=[%p,%x]\n",
1084 i, j, sw_bd->skb, sw_bd->first_bd);
1087 start = TX_BD(fp->tx_bd_cons - 10);
1088 end = TX_BD(fp->tx_bd_cons + 254);
1089 for (j = start; j != end; j = TX_BD(j + 1)) {
1090 u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
1092 BNX2X_ERR("fp%d: tx_bd[%x]=[%x:%x:%x:%x]\n",
1093 i, j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
1098 bnx2x_mc_assert(bp);
1099 BNX2X_ERR("end crash dump -----------------\n");
1102 static void bnx2x_hc_int_enable(struct bnx2x *bp)
1104 int port = BP_PORT(bp);
1105 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1106 u32 val = REG_RD(bp, addr);
1107 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
1108 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
1111 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1112 HC_CONFIG_0_REG_INT_LINE_EN_0);
1113 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1114 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1116 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1117 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1118 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1119 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1121 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1122 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1123 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1124 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1126 if (!CHIP_IS_E1(bp)) {
1127 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1130 REG_WR(bp, addr, val);
1132 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1137 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1139 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) mode %s\n",
1140 val, port, addr, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1142 REG_WR(bp, addr, val);
1144 * Ensure that HC_CONFIG is written before leading/trailing edge config
1149 if (!CHIP_IS_E1(bp)) {
1150 /* init leading/trailing edge */
1152 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
1154 /* enable nig and gpio3 attention */
1159 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1160 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1163 /* Make sure that interrupts are indeed enabled from here on */
1167 static void bnx2x_igu_int_enable(struct bnx2x *bp)
1170 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
1171 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
1173 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1176 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1177 IGU_PF_CONF_SINGLE_ISR_EN);
1178 val |= (IGU_PF_CONF_FUNC_EN |
1179 IGU_PF_CONF_MSI_MSIX_EN |
1180 IGU_PF_CONF_ATTN_BIT_EN);
1182 val &= ~IGU_PF_CONF_INT_LINE_EN;
1183 val |= (IGU_PF_CONF_FUNC_EN |
1184 IGU_PF_CONF_MSI_MSIX_EN |
1185 IGU_PF_CONF_ATTN_BIT_EN |
1186 IGU_PF_CONF_SINGLE_ISR_EN);
1188 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
1189 val |= (IGU_PF_CONF_FUNC_EN |
1190 IGU_PF_CONF_INT_LINE_EN |
1191 IGU_PF_CONF_ATTN_BIT_EN |
1192 IGU_PF_CONF_SINGLE_ISR_EN);
1195 DP(NETIF_MSG_INTR, "write 0x%x to IGU mode %s\n",
1196 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1198 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1202 /* init leading/trailing edge */
1204 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
1206 /* enable nig and gpio3 attention */
1211 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1212 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1214 /* Make sure that interrupts are indeed enabled from here on */
1218 void bnx2x_int_enable(struct bnx2x *bp)
1220 if (bp->common.int_block == INT_BLOCK_HC)
1221 bnx2x_hc_int_enable(bp);
1223 bnx2x_igu_int_enable(bp);
1226 static void bnx2x_hc_int_disable(struct bnx2x *bp)
1228 int port = BP_PORT(bp);
1229 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1230 u32 val = REG_RD(bp, addr);
1233 * in E1 we must use only PCI configuration space to disable
1234 * MSI/MSIX capablility
1235 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
1237 if (CHIP_IS_E1(bp)) {
1238 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
1239 * Use mask register to prevent from HC sending interrupts
1240 * after we exit the function
1242 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
1244 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1245 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1246 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1248 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1249 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1250 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1251 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1253 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1256 /* flush all outstanding writes */
1259 REG_WR(bp, addr, val);
1260 if (REG_RD(bp, addr) != val)
1261 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1264 static void bnx2x_igu_int_disable(struct bnx2x *bp)
1266 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1268 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
1269 IGU_PF_CONF_INT_LINE_EN |
1270 IGU_PF_CONF_ATTN_BIT_EN);
1272 DP(NETIF_MSG_INTR, "write %x to IGU\n", val);
1274 /* flush all outstanding writes */
1277 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1278 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
1279 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1282 static void bnx2x_int_disable(struct bnx2x *bp)
1284 if (bp->common.int_block == INT_BLOCK_HC)
1285 bnx2x_hc_int_disable(bp);
1287 bnx2x_igu_int_disable(bp);
1290 void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
1292 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
1295 /* disable interrupt handling */
1296 atomic_inc(&bp->intr_sem);
1297 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
1300 /* prevent the HW from sending interrupts */
1301 bnx2x_int_disable(bp);
1303 /* make sure all ISRs are done */
1305 synchronize_irq(bp->msix_table[0].vector);
1310 for_each_eth_queue(bp, i)
1311 synchronize_irq(bp->msix_table[i + offset].vector);
1313 synchronize_irq(bp->pdev->irq);
1315 /* make sure sp_task is not running */
1316 cancel_delayed_work(&bp->sp_task);
1317 flush_workqueue(bnx2x_wq);
1323 * General service functions
1326 /* Return true if succeeded to acquire the lock */
1327 static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1330 u32 resource_bit = (1 << resource);
1331 int func = BP_FUNC(bp);
1332 u32 hw_lock_control_reg;
1334 DP(NETIF_MSG_HW, "Trying to take a lock on resource %d\n", resource);
1336 /* Validating that the resource is within range */
1337 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1339 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1340 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1345 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1347 hw_lock_control_reg =
1348 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1350 /* Try to acquire the lock */
1351 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1352 lock_status = REG_RD(bp, hw_lock_control_reg);
1353 if (lock_status & resource_bit)
1356 DP(NETIF_MSG_HW, "Failed to get a lock on resource %d\n", resource);
1361 static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid);
1364 void bnx2x_sp_event(struct bnx2x_fastpath *fp,
1365 union eth_rx_cqe *rr_cqe)
1367 struct bnx2x *bp = fp->bp;
1368 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1369 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1372 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
1373 fp->index, cid, command, bp->state,
1374 rr_cqe->ramrod_cqe.ramrod_type);
1376 switch (command | fp->state) {
1377 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP | BNX2X_FP_STATE_OPENING):
1378 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n", cid);
1379 fp->state = BNX2X_FP_STATE_OPEN;
1382 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
1383 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n", cid);
1384 fp->state = BNX2X_FP_STATE_HALTED;
1387 case (RAMROD_CMD_ID_ETH_TERMINATE | BNX2X_FP_STATE_TERMINATING):
1388 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] teminate ramrod\n", cid);
1389 fp->state = BNX2X_FP_STATE_TERMINATED;
1393 BNX2X_ERR("unexpected MC reply (%d) "
1394 "fp[%d] state is %x\n",
1395 command, fp->index, fp->state);
1399 smp_mb__before_atomic_inc();
1400 atomic_inc(&bp->cq_spq_left);
1401 /* push the change in fp->state and towards the memory */
1407 irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
1409 struct bnx2x *bp = netdev_priv(dev_instance);
1410 u16 status = bnx2x_ack_int(bp);
1414 /* Return here if interrupt is shared and it's not for us */
1415 if (unlikely(status == 0)) {
1416 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1419 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
1421 /* Return here if interrupt is disabled */
1422 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1423 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1427 #ifdef BNX2X_STOP_ON_ERROR
1428 if (unlikely(bp->panic))
1432 for_each_eth_queue(bp, i) {
1433 struct bnx2x_fastpath *fp = &bp->fp[i];
1435 mask = 0x2 << (fp->index + CNIC_CONTEXT_USE);
1436 if (status & mask) {
1437 /* Handle Rx and Tx according to SB id */
1438 prefetch(fp->rx_cons_sb);
1439 prefetch(fp->tx_cons_sb);
1440 prefetch(&fp->sb_running_index[SM_RX_ID]);
1441 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
1448 if (status & (mask | 0x1)) {
1449 struct cnic_ops *c_ops = NULL;
1452 c_ops = rcu_dereference(bp->cnic_ops);
1454 c_ops->cnic_handler(bp->cnic_data, NULL);
1461 if (unlikely(status & 0x1)) {
1462 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
1469 if (unlikely(status))
1470 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
1476 /* end of fast path */
1482 * General service functions
1485 int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
1488 u32 resource_bit = (1 << resource);
1489 int func = BP_FUNC(bp);
1490 u32 hw_lock_control_reg;
1493 /* Validating that the resource is within range */
1494 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1496 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1497 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1502 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1504 hw_lock_control_reg =
1505 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1508 /* Validating that the resource is not already taken */
1509 lock_status = REG_RD(bp, hw_lock_control_reg);
1510 if (lock_status & resource_bit) {
1511 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1512 lock_status, resource_bit);
1516 /* Try for 5 second every 5ms */
1517 for (cnt = 0; cnt < 1000; cnt++) {
1518 /* Try to acquire the lock */
1519 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1520 lock_status = REG_RD(bp, hw_lock_control_reg);
1521 if (lock_status & resource_bit)
1526 DP(NETIF_MSG_HW, "Timeout\n");
1530 int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
1533 u32 resource_bit = (1 << resource);
1534 int func = BP_FUNC(bp);
1535 u32 hw_lock_control_reg;
1537 DP(NETIF_MSG_HW, "Releasing a lock on resource %d\n", resource);
1539 /* Validating that the resource is within range */
1540 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1542 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1543 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1548 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1550 hw_lock_control_reg =
1551 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1554 /* Validating that the resource is currently taken */
1555 lock_status = REG_RD(bp, hw_lock_control_reg);
1556 if (!(lock_status & resource_bit)) {
1557 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1558 lock_status, resource_bit);
1562 REG_WR(bp, hw_lock_control_reg, resource_bit);
1567 int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1569 /* The GPIO should be swapped if swap register is set and active */
1570 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1571 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1572 int gpio_shift = gpio_num +
1573 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1574 u32 gpio_mask = (1 << gpio_shift);
1578 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1579 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1583 /* read GPIO value */
1584 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1586 /* get the requested pin value */
1587 if ((gpio_reg & gpio_mask) == gpio_mask)
1592 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1597 int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1599 /* The GPIO should be swapped if swap register is set and active */
1600 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1601 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1602 int gpio_shift = gpio_num +
1603 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1604 u32 gpio_mask = (1 << gpio_shift);
1607 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1608 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1612 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1613 /* read GPIO and mask except the float bits */
1614 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1617 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1618 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1619 gpio_num, gpio_shift);
1620 /* clear FLOAT and set CLR */
1621 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1622 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1625 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1626 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1627 gpio_num, gpio_shift);
1628 /* clear FLOAT and set SET */
1629 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1630 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1633 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
1634 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1635 gpio_num, gpio_shift);
1637 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1644 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
1645 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1650 int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1652 /* The GPIO should be swapped if swap register is set and active */
1653 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1654 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1655 int gpio_shift = gpio_num +
1656 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1657 u32 gpio_mask = (1 << gpio_shift);
1660 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1661 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1665 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1667 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
1670 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
1671 DP(NETIF_MSG_LINK, "Clear GPIO INT %d (shift %d) -> "
1672 "output low\n", gpio_num, gpio_shift);
1673 /* clear SET and set CLR */
1674 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1675 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1678 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
1679 DP(NETIF_MSG_LINK, "Set GPIO INT %d (shift %d) -> "
1680 "output high\n", gpio_num, gpio_shift);
1681 /* clear CLR and set SET */
1682 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1683 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1690 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
1691 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1696 static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1698 u32 spio_mask = (1 << spio_num);
1701 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1702 (spio_num > MISC_REGISTERS_SPIO_7)) {
1703 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1707 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
1708 /* read SPIO and mask except the float bits */
1709 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1712 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
1713 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1714 /* clear FLOAT and set CLR */
1715 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1716 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1719 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
1720 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1721 /* clear FLOAT and set SET */
1722 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1723 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1726 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1727 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1729 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1736 REG_WR(bp, MISC_REG_SPIO, spio_reg);
1737 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
1742 int bnx2x_get_link_cfg_idx(struct bnx2x *bp)
1744 u32 sel_phy_idx = 0;
1745 if (bp->link_vars.link_up) {
1746 sel_phy_idx = EXT_PHY1;
1747 /* In case link is SERDES, check if the EXT_PHY2 is the one */
1748 if ((bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) &&
1749 (bp->link_params.phy[EXT_PHY2].supported & SUPPORTED_FIBRE))
1750 sel_phy_idx = EXT_PHY2;
1753 switch (bnx2x_phy_selection(&bp->link_params)) {
1754 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
1755 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
1756 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
1757 sel_phy_idx = EXT_PHY1;
1759 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
1760 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
1761 sel_phy_idx = EXT_PHY2;
1766 * The selected actived PHY is always after swapping (in case PHY
1767 * swapping is enabled). So when swapping is enabled, we need to reverse
1771 if (bp->link_params.multi_phy_config &
1772 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
1773 if (sel_phy_idx == EXT_PHY1)
1774 sel_phy_idx = EXT_PHY2;
1775 else if (sel_phy_idx == EXT_PHY2)
1776 sel_phy_idx = EXT_PHY1;
1778 return LINK_CONFIG_IDX(sel_phy_idx);
1781 void bnx2x_calc_fc_adv(struct bnx2x *bp)
1783 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
1784 switch (bp->link_vars.ieee_fc &
1785 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
1786 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
1787 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
1791 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
1792 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
1796 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
1797 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
1801 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
1807 u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
1809 if (!BP_NOMCP(bp)) {
1811 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
1812 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
1813 /* Initialize link parameters structure variables */
1814 /* It is recommended to turn off RX FC for jumbo frames
1815 for better performance */
1816 if ((CHIP_IS_E1x(bp)) && (bp->dev->mtu > 5000))
1817 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
1819 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
1821 bnx2x_acquire_phy_lock(bp);
1823 if (load_mode == LOAD_DIAG) {
1824 bp->link_params.loopback_mode = LOOPBACK_XGXS;
1825 bp->link_params.req_line_speed[cfx_idx] = SPEED_10000;
1828 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1830 bnx2x_release_phy_lock(bp);
1832 bnx2x_calc_fc_adv(bp);
1834 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
1835 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
1836 bnx2x_link_report(bp);
1838 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
1841 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
1845 void bnx2x_link_set(struct bnx2x *bp)
1847 if (!BP_NOMCP(bp)) {
1848 bnx2x_acquire_phy_lock(bp);
1849 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
1850 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1851 bnx2x_release_phy_lock(bp);
1853 bnx2x_calc_fc_adv(bp);
1855 BNX2X_ERR("Bootcode is missing - can not set link\n");
1858 static void bnx2x__link_reset(struct bnx2x *bp)
1860 if (!BP_NOMCP(bp)) {
1861 bnx2x_acquire_phy_lock(bp);
1862 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
1863 bnx2x_release_phy_lock(bp);
1865 BNX2X_ERR("Bootcode is missing - can not reset link\n");
1868 u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
1872 if (!BP_NOMCP(bp)) {
1873 bnx2x_acquire_phy_lock(bp);
1874 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
1876 bnx2x_release_phy_lock(bp);
1878 BNX2X_ERR("Bootcode is missing - can not test link\n");
1883 static void bnx2x_init_port_minmax(struct bnx2x *bp)
1885 u32 r_param = bp->link_vars.line_speed / 8;
1886 u32 fair_periodic_timeout_usec;
1889 memset(&(bp->cmng.rs_vars), 0,
1890 sizeof(struct rate_shaping_vars_per_port));
1891 memset(&(bp->cmng.fair_vars), 0, sizeof(struct fairness_vars_per_port));
1893 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
1894 bp->cmng.rs_vars.rs_periodic_timeout = RS_PERIODIC_TIMEOUT_USEC / 4;
1896 /* this is the threshold below which no timer arming will occur
1897 1.25 coefficient is for the threshold to be a little bigger
1898 than the real time, to compensate for timer in-accuracy */
1899 bp->cmng.rs_vars.rs_threshold =
1900 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
1902 /* resolution of fairness timer */
1903 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
1904 /* for 10G it is 1000usec. for 1G it is 10000usec. */
1905 t_fair = T_FAIR_COEF / bp->link_vars.line_speed;
1907 /* this is the threshold below which we won't arm the timer anymore */
1908 bp->cmng.fair_vars.fair_threshold = QM_ARB_BYTES;
1910 /* we multiply by 1e3/8 to get bytes/msec.
1911 We don't want the credits to pass a credit
1912 of the t_fair*FAIR_MEM (algorithm resolution) */
1913 bp->cmng.fair_vars.upper_bound = r_param * t_fair * FAIR_MEM;
1914 /* since each tick is 4 usec */
1915 bp->cmng.fair_vars.fairness_timeout = fair_periodic_timeout_usec / 4;
1918 /* Calculates the sum of vn_min_rates.
1919 It's needed for further normalizing of the min_rates.
1921 sum of vn_min_rates.
1923 0 - if all the min_rates are 0.
1924 In the later case fainess algorithm should be deactivated.
1925 If not all min_rates are zero then those that are zeroes will be set to 1.
1927 static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp)
1932 bp->vn_weight_sum = 0;
1933 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
1934 u32 vn_cfg = bp->mf_config[vn];
1935 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1936 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
1938 /* Skip hidden vns */
1939 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
1942 /* If min rate is zero - set it to 1 */
1944 vn_min_rate = DEF_MIN_RATE;
1948 bp->vn_weight_sum += vn_min_rate;
1951 /* ... only if all min rates are zeros - disable fairness */
1953 bp->cmng.flags.cmng_enables &=
1954 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
1955 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
1956 " fairness will be disabled\n");
1958 bp->cmng.flags.cmng_enables |=
1959 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
1962 static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn)
1964 struct rate_shaping_vars_per_vn m_rs_vn;
1965 struct fairness_vars_per_vn m_fair_vn;
1966 u32 vn_cfg = bp->mf_config[vn];
1967 int func = 2*vn + BP_PORT(bp);
1968 u16 vn_min_rate, vn_max_rate;
1971 /* If function is hidden - set min and max to zeroes */
1972 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
1977 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1978 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
1979 /* If min rate is zero - set it to 1 */
1980 if (bp->vn_weight_sum && (vn_min_rate == 0))
1981 vn_min_rate = DEF_MIN_RATE;
1982 vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
1983 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
1987 "func %d: vn_min_rate %d vn_max_rate %d vn_weight_sum %d\n",
1988 func, vn_min_rate, vn_max_rate, bp->vn_weight_sum);
1990 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
1991 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
1993 /* global vn counter - maximal Mbps for this vn */
1994 m_rs_vn.vn_counter.rate = vn_max_rate;
1996 /* quota - number of bytes transmitted in this period */
1997 m_rs_vn.vn_counter.quota =
1998 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2000 if (bp->vn_weight_sum) {
2001 /* credit for each period of the fairness algorithm:
2002 number of bytes in T_FAIR (the vn share the port rate).
2003 vn_weight_sum should not be larger than 10000, thus
2004 T_FAIR_COEF / (8 * vn_weight_sum) will always be greater
2006 m_fair_vn.vn_credit_delta =
2007 max_t(u32, (vn_min_rate * (T_FAIR_COEF /
2008 (8 * bp->vn_weight_sum))),
2009 (bp->cmng.fair_vars.fair_threshold * 2));
2010 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta %d\n",
2011 m_fair_vn.vn_credit_delta);
2014 /* Store it to internal memory */
2015 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2016 REG_WR(bp, BAR_XSTRORM_INTMEM +
2017 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2018 ((u32 *)(&m_rs_vn))[i]);
2020 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2021 REG_WR(bp, BAR_XSTRORM_INTMEM +
2022 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2023 ((u32 *)(&m_fair_vn))[i]);
2026 static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2028 if (CHIP_REV_IS_SLOW(bp))
2029 return CMNG_FNS_NONE;
2031 return CMNG_FNS_MINMAX;
2033 return CMNG_FNS_NONE;
2036 static void bnx2x_read_mf_cfg(struct bnx2x *bp)
2038 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
2041 return; /* what should be the default bvalue in this case */
2043 /* For 2 port configuration the absolute function number formula
2045 * abs_func = 2 * vn + BP_PORT + BP_PATH
2047 * and there are 4 functions per port
2049 * For 4 port configuration it is
2050 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2052 * and there are 2 functions per port
2054 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2055 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2057 if (func >= E1H_FUNC_MAX)
2061 MF_CFG_RD(bp, func_mf_config[func].config);
2065 static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2068 if (cmng_type == CMNG_FNS_MINMAX) {
2071 /* clear cmng_enables */
2072 bp->cmng.flags.cmng_enables = 0;
2074 /* read mf conf from shmem */
2076 bnx2x_read_mf_cfg(bp);
2078 /* Init rate shaping and fairness contexts */
2079 bnx2x_init_port_minmax(bp);
2081 /* vn_weight_sum and enable fairness if not 0 */
2082 bnx2x_calc_vn_weight_sum(bp);
2084 /* calculate and set min-max rate for each vn */
2085 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2086 bnx2x_init_vn_minmax(bp, vn);
2088 /* always enable rate shaping and fairness */
2089 bp->cmng.flags.cmng_enables |=
2090 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
2091 if (!bp->vn_weight_sum)
2092 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2093 " fairness will be disabled\n");
2097 /* rate shaping and fairness are disabled */
2099 "rate shaping and fairness are disabled\n");
2102 static inline void bnx2x_link_sync_notify(struct bnx2x *bp)
2104 int port = BP_PORT(bp);
2108 /* Set the attention towards other drivers on the same port */
2109 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2110 if (vn == BP_E1HVN(bp))
2113 func = ((vn << 1) | port);
2114 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2115 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2119 /* This function is called upon link interrupt */
2120 static void bnx2x_link_attn(struct bnx2x *bp)
2122 u32 prev_link_status = bp->link_vars.link_status;
2123 /* Make sure that we are synced with the current statistics */
2124 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2126 bnx2x_link_update(&bp->link_params, &bp->link_vars);
2128 if (bp->link_vars.link_up) {
2130 /* dropless flow control */
2131 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
2132 int port = BP_PORT(bp);
2133 u32 pause_enabled = 0;
2135 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2138 REG_WR(bp, BAR_USTRORM_INTMEM +
2139 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
2143 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2144 struct host_port_stats *pstats;
2146 pstats = bnx2x_sp(bp, port_stats);
2147 /* reset old bmac stats */
2148 memset(&(pstats->mac_stx[0]), 0,
2149 sizeof(struct mac_stx));
2151 if (bp->state == BNX2X_STATE_OPEN)
2152 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2155 /* indicate link status only if link status actually changed */
2156 if (prev_link_status != bp->link_vars.link_status)
2157 bnx2x_link_report(bp);
2160 bnx2x_link_sync_notify(bp);
2162 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2163 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
2165 if (cmng_fns != CMNG_FNS_NONE) {
2166 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2167 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2169 /* rate shaping and fairness are disabled */
2171 "single function mode without fairness\n");
2175 void bnx2x__link_status_update(struct bnx2x *bp)
2177 if ((bp->state != BNX2X_STATE_OPEN) || (bp->flags & MF_FUNC_DIS))
2180 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2182 if (bp->link_vars.link_up)
2183 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2185 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2187 /* the link status update could be the result of a DCC event
2188 hence re-read the shmem mf configuration */
2189 bnx2x_read_mf_cfg(bp);
2191 /* indicate link status */
2192 bnx2x_link_report(bp);
2195 static void bnx2x_pmf_update(struct bnx2x *bp)
2197 int port = BP_PORT(bp);
2201 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2203 /* enable nig attention */
2204 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
2205 if (bp->common.int_block == INT_BLOCK_HC) {
2206 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2207 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
2208 } else if (CHIP_IS_E2(bp)) {
2209 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2210 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2213 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
2221 * General service functions
2224 /* send the MCP a request, block until there is a reply */
2225 u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
2227 int mb_idx = BP_FW_MB_IDX(bp);
2228 u32 seq = ++bp->fw_seq;
2231 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2233 mutex_lock(&bp->fw_mb_mutex);
2234 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2235 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2237 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
2240 /* let the FW do it's magic ... */
2243 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
2245 /* Give the FW up to 5 second (500*10ms) */
2246 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
2248 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2249 cnt*delay, rc, seq);
2251 /* is this a reply to our command? */
2252 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2253 rc &= FW_MSG_CODE_MASK;
2256 BNX2X_ERR("FW failed to respond!\n");
2260 mutex_unlock(&bp->fw_mb_mutex);
2265 static u8 stat_counter_valid(struct bnx2x *bp, struct bnx2x_fastpath *fp)
2268 if (IS_FCOE_FP(fp) && IS_MF(bp))
2274 /* must be called under rtnl_lock */
2275 static void bnx2x_rxq_set_mac_filters(struct bnx2x *bp, u16 cl_id, u32 filters)
2277 u32 mask = (1 << cl_id);
2279 /* initial seeting is BNX2X_ACCEPT_NONE */
2280 u8 drop_all_ucast = 1, drop_all_bcast = 1, drop_all_mcast = 1;
2281 u8 accp_all_ucast = 0, accp_all_bcast = 0, accp_all_mcast = 0;
2282 u8 unmatched_unicast = 0;
2284 if (filters & BNX2X_ACCEPT_UNMATCHED_UCAST)
2285 unmatched_unicast = 1;
2287 if (filters & BNX2X_PROMISCUOUS_MODE) {
2288 /* promiscious - accept all, drop none */
2289 drop_all_ucast = drop_all_bcast = drop_all_mcast = 0;
2290 accp_all_ucast = accp_all_bcast = accp_all_mcast = 1;
2293 * SI mode defines to accept in promiscuos mode
2294 * only unmatched packets
2296 unmatched_unicast = 1;
2300 if (filters & BNX2X_ACCEPT_UNICAST) {
2301 /* accept matched ucast */
2304 if (filters & BNX2X_ACCEPT_MULTICAST)
2305 /* accept matched mcast */
2308 if (filters & BNX2X_ACCEPT_ALL_UNICAST) {
2309 /* accept all mcast */
2313 if (filters & BNX2X_ACCEPT_ALL_MULTICAST) {
2314 /* accept all mcast */
2318 if (filters & BNX2X_ACCEPT_BROADCAST) {
2319 /* accept (all) bcast */
2324 bp->mac_filters.ucast_drop_all = drop_all_ucast ?
2325 bp->mac_filters.ucast_drop_all | mask :
2326 bp->mac_filters.ucast_drop_all & ~mask;
2328 bp->mac_filters.mcast_drop_all = drop_all_mcast ?
2329 bp->mac_filters.mcast_drop_all | mask :
2330 bp->mac_filters.mcast_drop_all & ~mask;
2332 bp->mac_filters.bcast_drop_all = drop_all_bcast ?
2333 bp->mac_filters.bcast_drop_all | mask :
2334 bp->mac_filters.bcast_drop_all & ~mask;
2336 bp->mac_filters.ucast_accept_all = accp_all_ucast ?
2337 bp->mac_filters.ucast_accept_all | mask :
2338 bp->mac_filters.ucast_accept_all & ~mask;
2340 bp->mac_filters.mcast_accept_all = accp_all_mcast ?
2341 bp->mac_filters.mcast_accept_all | mask :
2342 bp->mac_filters.mcast_accept_all & ~mask;
2344 bp->mac_filters.bcast_accept_all = accp_all_bcast ?
2345 bp->mac_filters.bcast_accept_all | mask :
2346 bp->mac_filters.bcast_accept_all & ~mask;
2348 bp->mac_filters.unmatched_unicast = unmatched_unicast ?
2349 bp->mac_filters.unmatched_unicast | mask :
2350 bp->mac_filters.unmatched_unicast & ~mask;
2353 static void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
2355 struct tstorm_eth_function_common_config tcfg = {0};
2359 if (p->func_flgs & FUNC_FLG_TPA)
2360 tcfg.config_flags |=
2361 TSTORM_ETH_FUNCTION_COMMON_CONFIG_ENABLE_TPA;
2364 rss_flgs = (p->rss->mode <<
2365 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_MODE_SHIFT);
2367 if (p->rss->cap & RSS_IPV4_CAP)
2368 rss_flgs |= RSS_IPV4_CAP_MASK;
2369 if (p->rss->cap & RSS_IPV4_TCP_CAP)
2370 rss_flgs |= RSS_IPV4_TCP_CAP_MASK;
2371 if (p->rss->cap & RSS_IPV6_CAP)
2372 rss_flgs |= RSS_IPV6_CAP_MASK;
2373 if (p->rss->cap & RSS_IPV6_TCP_CAP)
2374 rss_flgs |= RSS_IPV6_TCP_CAP_MASK;
2376 tcfg.config_flags |= rss_flgs;
2377 tcfg.rss_result_mask = p->rss->result_mask;
2379 storm_memset_func_cfg(bp, &tcfg, p->func_id);
2381 /* Enable the function in the FW */
2382 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2383 storm_memset_func_en(bp, p->func_id, 1);
2386 if (p->func_flgs & FUNC_FLG_STATS) {
2387 struct stats_indication_flags stats_flags = {0};
2388 stats_flags.collect_eth = 1;
2390 storm_memset_xstats_flags(bp, &stats_flags, p->func_id);
2391 storm_memset_xstats_addr(bp, p->fw_stat_map, p->func_id);
2393 storm_memset_tstats_flags(bp, &stats_flags, p->func_id);
2394 storm_memset_tstats_addr(bp, p->fw_stat_map, p->func_id);
2396 storm_memset_ustats_flags(bp, &stats_flags, p->func_id);
2397 storm_memset_ustats_addr(bp, p->fw_stat_map, p->func_id);
2399 storm_memset_cstats_flags(bp, &stats_flags, p->func_id);
2400 storm_memset_cstats_addr(bp, p->fw_stat_map, p->func_id);
2404 if (p->func_flgs & FUNC_FLG_SPQ) {
2405 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2406 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2407 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2411 static inline u16 bnx2x_get_cl_flags(struct bnx2x *bp,
2412 struct bnx2x_fastpath *fp)
2416 /* calculate queue flags */
2417 flags |= QUEUE_FLG_CACHE_ALIGN;
2418 flags |= QUEUE_FLG_HC;
2419 flags |= IS_MF_SD(bp) ? QUEUE_FLG_OV : 0;
2421 flags |= QUEUE_FLG_VLAN;
2422 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
2424 if (!fp->disable_tpa)
2425 flags |= QUEUE_FLG_TPA;
2427 flags = stat_counter_valid(bp, fp) ?
2428 (flags | QUEUE_FLG_STATS) : (flags & ~QUEUE_FLG_STATS);
2433 static void bnx2x_pf_rx_cl_prep(struct bnx2x *bp,
2434 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2435 struct bnx2x_rxq_init_params *rxq_init)
2439 u16 tpa_agg_size = 0;
2441 /* calculate queue flags */
2442 u16 flags = bnx2x_get_cl_flags(bp, fp);
2444 if (!fp->disable_tpa) {
2445 pause->sge_th_hi = 250;
2446 pause->sge_th_lo = 150;
2447 tpa_agg_size = min_t(u32,
2448 (min_t(u32, 8, MAX_SKB_FRAGS) *
2449 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2450 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2452 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2453 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2454 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2458 /* pause - not for e1 */
2459 if (!CHIP_IS_E1(bp)) {
2460 pause->bd_th_hi = 350;
2461 pause->bd_th_lo = 250;
2462 pause->rcq_th_hi = 350;
2463 pause->rcq_th_lo = 250;
2464 pause->sge_th_hi = 0;
2465 pause->sge_th_lo = 0;
2470 rxq_init->flags = flags;
2471 rxq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2472 rxq_init->dscr_map = fp->rx_desc_mapping;
2473 rxq_init->sge_map = fp->rx_sge_mapping;
2474 rxq_init->rcq_map = fp->rx_comp_mapping;
2475 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
2477 /* Always use mini-jumbo MTU for FCoE L2 ring */
2479 rxq_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
2481 rxq_init->mtu = bp->dev->mtu;
2483 rxq_init->buf_sz = fp->rx_buf_size;
2484 rxq_init->cl_qzone_id = fp->cl_qzone_id;
2485 rxq_init->cl_id = fp->cl_id;
2486 rxq_init->spcl_id = fp->cl_id;
2487 rxq_init->stat_id = fp->cl_id;
2488 rxq_init->tpa_agg_sz = tpa_agg_size;
2489 rxq_init->sge_buf_sz = sge_sz;
2490 rxq_init->max_sges_pkt = max_sge;
2491 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2492 rxq_init->fw_sb_id = fp->fw_sb_id;
2495 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2497 rxq_init->sb_cq_index = U_SB_ETH_RX_CQ_INDEX;
2499 rxq_init->cid = HW_CID(bp, fp->cid);
2501 rxq_init->hc_rate = bp->rx_ticks ? (1000000 / bp->rx_ticks) : 0;
2504 static void bnx2x_pf_tx_cl_prep(struct bnx2x *bp,
2505 struct bnx2x_fastpath *fp, struct bnx2x_txq_init_params *txq_init)
2507 u16 flags = bnx2x_get_cl_flags(bp, fp);
2509 txq_init->flags = flags;
2510 txq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2511 txq_init->dscr_map = fp->tx_desc_mapping;
2512 txq_init->stat_id = fp->cl_id;
2513 txq_init->cid = HW_CID(bp, fp->cid);
2514 txq_init->sb_cq_index = C_SB_ETH_TX_CQ_INDEX;
2515 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2516 txq_init->fw_sb_id = fp->fw_sb_id;
2518 if (IS_FCOE_FP(fp)) {
2519 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2520 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2523 txq_init->hc_rate = bp->tx_ticks ? (1000000 / bp->tx_ticks) : 0;
2526 static void bnx2x_pf_init(struct bnx2x *bp)
2528 struct bnx2x_func_init_params func_init = {0};
2529 struct bnx2x_rss_params rss = {0};
2530 struct event_ring_data eq_data = { {0} };
2533 /* pf specific setups */
2534 if (!CHIP_IS_E1(bp))
2535 storm_memset_ov(bp, bp->mf_ov, BP_FUNC(bp));
2537 if (CHIP_IS_E2(bp)) {
2538 /* reset IGU PF statistics: MSIX + ATTN */
2540 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2541 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2542 (CHIP_MODE_IS_4_PORT(bp) ?
2543 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2545 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2546 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2547 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2548 (CHIP_MODE_IS_4_PORT(bp) ?
2549 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2552 /* function setup flags */
2553 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2555 if (CHIP_IS_E1x(bp))
2556 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
2558 flags |= FUNC_FLG_TPA;
2560 /* function setup */
2563 * Although RSS is meaningless when there is a single HW queue we
2564 * still need it enabled in order to have HW Rx hash generated.
2566 rss.cap = (RSS_IPV4_CAP | RSS_IPV4_TCP_CAP |
2567 RSS_IPV6_CAP | RSS_IPV6_TCP_CAP);
2568 rss.mode = bp->multi_mode;
2569 rss.result_mask = MULTI_MASK;
2570 func_init.rss = &rss;
2572 func_init.func_flgs = flags;
2573 func_init.pf_id = BP_FUNC(bp);
2574 func_init.func_id = BP_FUNC(bp);
2575 func_init.fw_stat_map = bnx2x_sp_mapping(bp, fw_stats);
2576 func_init.spq_map = bp->spq_mapping;
2577 func_init.spq_prod = bp->spq_prod_idx;
2579 bnx2x_func_init(bp, &func_init);
2581 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2584 Congestion management values depend on the link rate
2585 There is no active link so initial link rate is set to 10 Gbps.
2586 When the link comes up The congestion management values are
2587 re-calculated according to the actual link rate.
2589 bp->link_vars.line_speed = SPEED_10000;
2590 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
2592 /* Only the PMF sets the HW */
2594 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2596 /* no rx until link is up */
2597 bp->rx_mode = BNX2X_RX_MODE_NONE;
2598 bnx2x_set_storm_rx_mode(bp);
2600 /* init Event Queue */
2601 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
2602 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
2603 eq_data.producer = bp->eq_prod;
2604 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
2605 eq_data.sb_id = DEF_SB_ID;
2606 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
2610 static void bnx2x_e1h_disable(struct bnx2x *bp)
2612 int port = BP_PORT(bp);
2614 netif_tx_disable(bp->dev);
2616 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
2618 netif_carrier_off(bp->dev);
2621 static void bnx2x_e1h_enable(struct bnx2x *bp)
2623 int port = BP_PORT(bp);
2625 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
2627 /* Tx queue should be only reenabled */
2628 netif_tx_wake_all_queues(bp->dev);
2631 * Should not call netif_carrier_on since it will be called if the link
2632 * is up when checking for link state
2636 /* called due to MCP event (on pmf):
2637 * reread new bandwidth configuration
2639 * notify others function about the change
2641 static inline void bnx2x_config_mf_bw(struct bnx2x *bp)
2643 if (bp->link_vars.link_up) {
2644 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
2645 bnx2x_link_sync_notify(bp);
2647 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2650 static inline void bnx2x_set_mf_bw(struct bnx2x *bp)
2652 bnx2x_config_mf_bw(bp);
2653 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
2656 static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
2658 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
2660 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
2663 * This is the only place besides the function initialization
2664 * where the bp->flags can change so it is done without any
2667 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
2668 DP(NETIF_MSG_IFDOWN, "mf_cfg function disabled\n");
2669 bp->flags |= MF_FUNC_DIS;
2671 bnx2x_e1h_disable(bp);
2673 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
2674 bp->flags &= ~MF_FUNC_DIS;
2676 bnx2x_e1h_enable(bp);
2678 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
2680 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
2681 bnx2x_config_mf_bw(bp);
2682 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
2685 /* Report results to MCP */
2687 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
2689 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
2692 /* must be called under the spq lock */
2693 static inline struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
2695 struct eth_spe *next_spe = bp->spq_prod_bd;
2697 if (bp->spq_prod_bd == bp->spq_last_bd) {
2698 bp->spq_prod_bd = bp->spq;
2699 bp->spq_prod_idx = 0;
2700 DP(NETIF_MSG_TIMER, "end of spq\n");
2708 /* must be called under the spq lock */
2709 static inline void bnx2x_sp_prod_update(struct bnx2x *bp)
2711 int func = BP_FUNC(bp);
2713 /* Make sure that BD data is updated before writing the producer */
2716 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
2721 /* the slow path queue is odd since completions arrive on the fastpath ring */
2722 int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
2723 u32 data_hi, u32 data_lo, int common)
2725 struct eth_spe *spe;
2728 #ifdef BNX2X_STOP_ON_ERROR
2729 if (unlikely(bp->panic))
2733 spin_lock_bh(&bp->spq_lock);
2736 if (!atomic_read(&bp->eq_spq_left)) {
2737 BNX2X_ERR("BUG! EQ ring full!\n");
2738 spin_unlock_bh(&bp->spq_lock);
2742 } else if (!atomic_read(&bp->cq_spq_left)) {
2743 BNX2X_ERR("BUG! SPQ ring full!\n");
2744 spin_unlock_bh(&bp->spq_lock);
2749 spe = bnx2x_sp_get_next(bp);
2751 /* CID needs port number to be encoded int it */
2752 spe->hdr.conn_and_cmd_data =
2753 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
2758 * FUNC_START, FUNC_STOP, CFC_DEL, STATS, SET_MAC
2759 * TRAFFIC_STOP, TRAFFIC_START
2761 type = (NONE_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2762 & SPE_HDR_CONN_TYPE;
2764 /* ETH ramrods: SETUP, HALT */
2765 type = (ETH_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2766 & SPE_HDR_CONN_TYPE;
2768 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
2769 SPE_HDR_FUNCTION_ID);
2771 spe->hdr.type = cpu_to_le16(type);
2773 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
2774 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
2776 /* stats ramrod has it's own slot on the spq */
2777 if (command != RAMROD_CMD_ID_COMMON_STAT_QUERY) {
2778 /* It's ok if the actual decrement is issued towards the memory
2779 * somewhere between the spin_lock and spin_unlock. Thus no
2780 * more explict memory barrier is needed.
2783 atomic_dec(&bp->eq_spq_left);
2785 atomic_dec(&bp->cq_spq_left);
2789 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
2790 "SPQE[%x] (%x:%x) command %d hw_cid %x data (%x:%x) "
2791 "type(0x%x) left (ETH, COMMON) (%x,%x)\n",
2792 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
2793 (u32)(U64_LO(bp->spq_mapping) +
2794 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
2795 HW_CID(bp, cid), data_hi, data_lo, type,
2796 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
2798 bnx2x_sp_prod_update(bp);
2799 spin_unlock_bh(&bp->spq_lock);
2803 /* acquire split MCP access lock register */
2804 static int bnx2x_acquire_alr(struct bnx2x *bp)
2810 for (j = 0; j < 1000; j++) {
2812 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2813 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2814 if (val & (1L << 31))
2819 if (!(val & (1L << 31))) {
2820 BNX2X_ERR("Cannot acquire MCP access lock register\n");
2827 /* release split MCP access lock register */
2828 static void bnx2x_release_alr(struct bnx2x *bp)
2830 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
2833 #define BNX2X_DEF_SB_ATT_IDX 0x0001
2834 #define BNX2X_DEF_SB_IDX 0x0002
2836 static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2838 struct host_sp_status_block *def_sb = bp->def_status_blk;
2841 barrier(); /* status block is written to by the chip */
2842 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2843 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
2844 rc |= BNX2X_DEF_SB_ATT_IDX;
2847 if (bp->def_idx != def_sb->sp_sb.running_index) {
2848 bp->def_idx = def_sb->sp_sb.running_index;
2849 rc |= BNX2X_DEF_SB_IDX;
2852 /* Do not reorder: indecies reading should complete before handling */
2858 * slow path service functions
2861 static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2863 int port = BP_PORT(bp);
2864 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2865 MISC_REG_AEU_MASK_ATTN_FUNC_0;
2866 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2867 NIG_REG_MASK_INTERRUPT_PORT0;
2872 if (bp->attn_state & asserted)
2873 BNX2X_ERR("IGU ERROR\n");
2875 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2876 aeu_mask = REG_RD(bp, aeu_addr);
2878 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
2879 aeu_mask, asserted);
2880 aeu_mask &= ~(asserted & 0x3ff);
2881 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
2883 REG_WR(bp, aeu_addr, aeu_mask);
2884 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2886 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
2887 bp->attn_state |= asserted;
2888 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
2890 if (asserted & ATTN_HARD_WIRED_MASK) {
2891 if (asserted & ATTN_NIG_FOR_FUNC) {
2893 bnx2x_acquire_phy_lock(bp);
2895 /* save nig interrupt mask */
2896 nig_mask = REG_RD(bp, nig_int_mask_addr);
2897 REG_WR(bp, nig_int_mask_addr, 0);
2899 bnx2x_link_attn(bp);
2901 /* handle unicore attn? */
2903 if (asserted & ATTN_SW_TIMER_4_FUNC)
2904 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2906 if (asserted & GPIO_2_FUNC)
2907 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2909 if (asserted & GPIO_3_FUNC)
2910 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2912 if (asserted & GPIO_4_FUNC)
2913 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2916 if (asserted & ATTN_GENERAL_ATTN_1) {
2917 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2918 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2920 if (asserted & ATTN_GENERAL_ATTN_2) {
2921 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2922 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2924 if (asserted & ATTN_GENERAL_ATTN_3) {
2925 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2926 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2929 if (asserted & ATTN_GENERAL_ATTN_4) {
2930 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2931 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2933 if (asserted & ATTN_GENERAL_ATTN_5) {
2934 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2935 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2937 if (asserted & ATTN_GENERAL_ATTN_6) {
2938 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2939 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2943 } /* if hardwired */
2945 if (bp->common.int_block == INT_BLOCK_HC)
2946 reg_addr = (HC_REG_COMMAND_REG + port*32 +
2947 COMMAND_REG_ATTN_BITS_SET);
2949 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
2951 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
2952 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
2953 REG_WR(bp, reg_addr, asserted);
2955 /* now set back the mask */
2956 if (asserted & ATTN_NIG_FOR_FUNC) {
2957 REG_WR(bp, nig_int_mask_addr, nig_mask);
2958 bnx2x_release_phy_lock(bp);
2962 static inline void bnx2x_fan_failure(struct bnx2x *bp)
2964 int port = BP_PORT(bp);
2966 /* mark the failure */
2969 dev_info.port_hw_config[port].external_phy_config);
2971 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
2972 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
2973 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
2976 /* log the failure */
2977 netdev_err(bp->dev, "Fan Failure on Network Controller has caused"
2978 " the driver to shutdown the card to prevent permanent"
2979 " damage. Please contact OEM Support for assistance\n");
2982 static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2984 int port = BP_PORT(bp);
2988 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2989 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
2991 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
2993 val = REG_RD(bp, reg_offset);
2994 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2995 REG_WR(bp, reg_offset, val);
2997 BNX2X_ERR("SPIO5 hw attention\n");
2999 /* Fan failure attention */
3000 bnx2x_hw_reset_phy(&bp->link_params);
3001 bnx2x_fan_failure(bp);
3004 if (attn & (AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 |
3005 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1)) {
3006 bnx2x_acquire_phy_lock(bp);
3007 bnx2x_handle_module_detect_int(&bp->link_params);
3008 bnx2x_release_phy_lock(bp);
3011 if (attn & HW_INTERRUT_ASSERT_SET_0) {
3013 val = REG_RD(bp, reg_offset);
3014 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
3015 REG_WR(bp, reg_offset, val);
3017 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
3018 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
3023 static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
3027 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
3029 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3030 BNX2X_ERR("DB hw attention 0x%x\n", val);
3031 /* DORQ discard attention */
3033 BNX2X_ERR("FATAL error from DORQ\n");
3036 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3038 int port = BP_PORT(bp);
3041 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3042 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3044 val = REG_RD(bp, reg_offset);
3045 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3046 REG_WR(bp, reg_offset, val);
3048 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
3049 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
3054 static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
3058 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3060 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3061 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3062 /* CFC error attention */
3064 BNX2X_ERR("FATAL error from CFC\n");
3067 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
3069 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
3070 BNX2X_ERR("PXP hw attention 0x%x\n", val);
3071 /* RQ_USDMDP_FIFO_OVERFLOW */
3073 BNX2X_ERR("FATAL error from PXP\n");
3074 if (CHIP_IS_E2(bp)) {
3075 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3076 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3080 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3082 int port = BP_PORT(bp);
3085 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3086 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3088 val = REG_RD(bp, reg_offset);
3089 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3090 REG_WR(bp, reg_offset, val);
3092 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
3093 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
3098 static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
3102 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3104 if (attn & BNX2X_PMF_LINK_ASSERT) {
3105 int func = BP_FUNC(bp);
3107 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
3108 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3109 func_mf_config[BP_ABS_FUNC(bp)].config);
3111 func_mb[BP_FW_MB_IDX(bp)].drv_status);
3112 if (val & DRV_STATUS_DCC_EVENT_MASK)
3114 (val & DRV_STATUS_DCC_EVENT_MASK));
3116 if (val & DRV_STATUS_SET_MF_BW)
3117 bnx2x_set_mf_bw(bp);
3119 bnx2x__link_status_update(bp);
3120 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
3121 bnx2x_pmf_update(bp);
3124 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3125 bp->dcbx_enabled > 0)
3126 /* start dcbx state machine */
3127 bnx2x_dcbx_set_params(bp,
3128 BNX2X_DCBX_STATE_NEG_RECEIVED);
3129 } else if (attn & BNX2X_MC_ASSERT_BITS) {
3131 BNX2X_ERR("MC assert!\n");
3132 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3133 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3134 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3135 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3138 } else if (attn & BNX2X_MCP_ASSERT) {
3140 BNX2X_ERR("MCP assert!\n");
3141 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
3145 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3148 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
3149 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3150 if (attn & BNX2X_GRC_TIMEOUT) {
3151 val = CHIP_IS_E1(bp) ? 0 :
3152 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
3153 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3155 if (attn & BNX2X_GRC_RSV) {
3156 val = CHIP_IS_E1(bp) ? 0 :
3157 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
3158 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3160 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
3164 #define BNX2X_MISC_GEN_REG MISC_REG_GENERIC_POR_1
3165 #define LOAD_COUNTER_BITS 16 /* Number of bits for load counter */
3166 #define LOAD_COUNTER_MASK (((u32)0x1 << LOAD_COUNTER_BITS) - 1)
3167 #define RESET_DONE_FLAG_MASK (~LOAD_COUNTER_MASK)
3168 #define RESET_DONE_FLAG_SHIFT LOAD_COUNTER_BITS
3171 * should be run under rtnl lock
3173 static inline void bnx2x_set_reset_done(struct bnx2x *bp)
3175 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3176 val &= ~(1 << RESET_DONE_FLAG_SHIFT);
3177 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3183 * should be run under rtnl lock
3185 static inline void bnx2x_set_reset_in_progress(struct bnx2x *bp)
3187 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3189 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3195 * should be run under rtnl lock
3197 bool bnx2x_reset_is_done(struct bnx2x *bp)
3199 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3200 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3201 return (val & RESET_DONE_FLAG_MASK) ? false : true;
3205 * should be run under rtnl lock
3207 inline void bnx2x_inc_load_cnt(struct bnx2x *bp)
3209 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3211 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3213 val1 = ((val & LOAD_COUNTER_MASK) + 1) & LOAD_COUNTER_MASK;
3214 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3220 * should be run under rtnl lock
3222 u32 bnx2x_dec_load_cnt(struct bnx2x *bp)
3224 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3226 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3228 val1 = ((val & LOAD_COUNTER_MASK) - 1) & LOAD_COUNTER_MASK;
3229 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3237 * should be run under rtnl lock
3239 static inline u32 bnx2x_get_load_cnt(struct bnx2x *bp)
3241 return REG_RD(bp, BNX2X_MISC_GEN_REG) & LOAD_COUNTER_MASK;
3244 static inline void bnx2x_clear_load_cnt(struct bnx2x *bp)
3246 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3247 REG_WR(bp, BNX2X_MISC_GEN_REG, val & (~LOAD_COUNTER_MASK));
3250 static inline void _print_next_block(int idx, const char *blk)
3257 static inline int bnx2x_print_blocks_with_parity0(u32 sig, int par_num)
3261 for (i = 0; sig; i++) {
3262 cur_bit = ((u32)0x1 << i);
3263 if (sig & cur_bit) {
3265 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
3266 _print_next_block(par_num++, "BRB");
3268 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
3269 _print_next_block(par_num++, "PARSER");
3271 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
3272 _print_next_block(par_num++, "TSDM");
3274 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
3275 _print_next_block(par_num++, "SEARCHER");
3277 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
3278 _print_next_block(par_num++, "TSEMI");
3290 static inline int bnx2x_print_blocks_with_parity1(u32 sig, int par_num)
3294 for (i = 0; sig; i++) {
3295 cur_bit = ((u32)0x1 << i);
3296 if (sig & cur_bit) {
3298 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
3299 _print_next_block(par_num++, "PBCLIENT");
3301 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
3302 _print_next_block(par_num++, "QM");
3304 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
3305 _print_next_block(par_num++, "XSDM");
3307 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
3308 _print_next_block(par_num++, "XSEMI");
3310 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
3311 _print_next_block(par_num++, "DOORBELLQ");
3313 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
3314 _print_next_block(par_num++, "VAUX PCI CORE");
3316 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
3317 _print_next_block(par_num++, "DEBUG");
3319 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
3320 _print_next_block(par_num++, "USDM");
3322 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
3323 _print_next_block(par_num++, "USEMI");
3325 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
3326 _print_next_block(par_num++, "UPB");
3328 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
3329 _print_next_block(par_num++, "CSDM");
3341 static inline int bnx2x_print_blocks_with_parity2(u32 sig, int par_num)
3345 for (i = 0; sig; i++) {
3346 cur_bit = ((u32)0x1 << i);
3347 if (sig & cur_bit) {
3349 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
3350 _print_next_block(par_num++, "CSEMI");
3352 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
3353 _print_next_block(par_num++, "PXP");
3355 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
3356 _print_next_block(par_num++,
3357 "PXPPCICLOCKCLIENT");
3359 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
3360 _print_next_block(par_num++, "CFC");
3362 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
3363 _print_next_block(par_num++, "CDU");
3365 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
3366 _print_next_block(par_num++, "IGU");
3368 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
3369 _print_next_block(par_num++, "MISC");
3381 static inline int bnx2x_print_blocks_with_parity3(u32 sig, int par_num)
3385 for (i = 0; sig; i++) {
3386 cur_bit = ((u32)0x1 << i);
3387 if (sig & cur_bit) {
3389 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
3390 _print_next_block(par_num++, "MCP ROM");
3392 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
3393 _print_next_block(par_num++, "MCP UMP RX");
3395 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
3396 _print_next_block(par_num++, "MCP UMP TX");
3398 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
3399 _print_next_block(par_num++, "MCP SCPAD");
3411 static inline bool bnx2x_parity_attn(struct bnx2x *bp, u32 sig0, u32 sig1,
3414 if ((sig0 & HW_PRTY_ASSERT_SET_0) || (sig1 & HW_PRTY_ASSERT_SET_1) ||
3415 (sig2 & HW_PRTY_ASSERT_SET_2) || (sig3 & HW_PRTY_ASSERT_SET_3)) {
3417 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention: "
3418 "[0]:0x%08x [1]:0x%08x "
3419 "[2]:0x%08x [3]:0x%08x\n",
3420 sig0 & HW_PRTY_ASSERT_SET_0,
3421 sig1 & HW_PRTY_ASSERT_SET_1,
3422 sig2 & HW_PRTY_ASSERT_SET_2,
3423 sig3 & HW_PRTY_ASSERT_SET_3);
3424 printk(KERN_ERR"%s: Parity errors detected in blocks: ",
3426 par_num = bnx2x_print_blocks_with_parity0(
3427 sig0 & HW_PRTY_ASSERT_SET_0, par_num);
3428 par_num = bnx2x_print_blocks_with_parity1(
3429 sig1 & HW_PRTY_ASSERT_SET_1, par_num);
3430 par_num = bnx2x_print_blocks_with_parity2(
3431 sig2 & HW_PRTY_ASSERT_SET_2, par_num);
3432 par_num = bnx2x_print_blocks_with_parity3(
3433 sig3 & HW_PRTY_ASSERT_SET_3, par_num);
3440 bool bnx2x_chk_parity_attn(struct bnx2x *bp)
3442 struct attn_route attn;
3443 int port = BP_PORT(bp);
3445 attn.sig[0] = REG_RD(bp,
3446 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
3448 attn.sig[1] = REG_RD(bp,
3449 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
3451 attn.sig[2] = REG_RD(bp,
3452 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
3454 attn.sig[3] = REG_RD(bp,
3455 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
3458 return bnx2x_parity_attn(bp, attn.sig[0], attn.sig[1], attn.sig[2],
3463 static inline void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
3466 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
3468 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
3469 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
3470 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
3471 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3473 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
3474 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3475 "INCORRECT_RCV_BEHAVIOR\n");
3476 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
3477 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3478 "WAS_ERROR_ATTN\n");
3479 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
3480 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3481 "VF_LENGTH_VIOLATION_ATTN\n");
3483 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
3484 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3485 "VF_GRC_SPACE_VIOLATION_ATTN\n");
3487 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
3488 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3489 "VF_MSIX_BAR_VIOLATION_ATTN\n");
3490 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
3491 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3492 "TCPL_ERROR_ATTN\n");
3493 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
3494 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3495 "TCPL_IN_TWO_RCBS_ATTN\n");
3496 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
3497 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3498 "CSSNOOP_FIFO_OVERFLOW\n");
3500 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
3501 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
3502 BNX2X_ERR("ATC hw attention 0x%x\n", val);
3503 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
3504 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
3505 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
3506 BNX2X_ERR("ATC_ATC_INT_STS_REG"
3507 "_ATC_TCPL_TO_NOT_PEND\n");
3508 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
3509 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3510 "ATC_GPA_MULTIPLE_HITS\n");
3511 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
3512 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3513 "ATC_RCPL_TO_EMPTY_CNT\n");
3514 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
3515 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
3516 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
3517 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3518 "ATC_IREQ_LESS_THAN_STU\n");
3521 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3522 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
3523 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
3524 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3525 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
3530 static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
3532 struct attn_route attn, *group_mask;
3533 int port = BP_PORT(bp);
3539 /* need to take HW lock because MCP or other port might also
3540 try to handle this event */
3541 bnx2x_acquire_alr(bp);
3543 if (CHIP_PARITY_ENABLED(bp) && bnx2x_chk_parity_attn(bp)) {
3544 bp->recovery_state = BNX2X_RECOVERY_INIT;
3545 bnx2x_set_reset_in_progress(bp);
3546 schedule_delayed_work(&bp->reset_task, 0);
3547 /* Disable HW interrupts */
3548 bnx2x_int_disable(bp);
3549 bnx2x_release_alr(bp);
3550 /* In case of parity errors don't handle attentions so that
3551 * other function would "see" parity errors.
3556 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
3557 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
3558 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
3559 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
3562 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
3566 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
3567 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
3569 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
3570 if (deasserted & (1 << index)) {
3571 group_mask = &bp->attn_group[index];
3573 DP(NETIF_MSG_HW, "group[%d]: %08x %08x "
3576 group_mask->sig[0], group_mask->sig[1],
3577 group_mask->sig[2], group_mask->sig[3],
3578 group_mask->sig[4]);
3580 bnx2x_attn_int_deasserted4(bp,
3581 attn.sig[4] & group_mask->sig[4]);
3582 bnx2x_attn_int_deasserted3(bp,
3583 attn.sig[3] & group_mask->sig[3]);
3584 bnx2x_attn_int_deasserted1(bp,
3585 attn.sig[1] & group_mask->sig[1]);
3586 bnx2x_attn_int_deasserted2(bp,
3587 attn.sig[2] & group_mask->sig[2]);
3588 bnx2x_attn_int_deasserted0(bp,
3589 attn.sig[0] & group_mask->sig[0]);
3593 bnx2x_release_alr(bp);
3595 if (bp->common.int_block == INT_BLOCK_HC)
3596 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3597 COMMAND_REG_ATTN_BITS_CLR);
3599 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
3602 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
3603 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
3604 REG_WR(bp, reg_addr, val);
3606 if (~bp->attn_state & deasserted)
3607 BNX2X_ERR("IGU ERROR\n");
3609 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3610 MISC_REG_AEU_MASK_ATTN_FUNC_0;
3612 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3613 aeu_mask = REG_RD(bp, reg_addr);
3615 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
3616 aeu_mask, deasserted);
3617 aeu_mask |= (deasserted & 0x3ff);
3618 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
3620 REG_WR(bp, reg_addr, aeu_mask);
3621 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3623 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
3624 bp->attn_state &= ~deasserted;
3625 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
3628 static void bnx2x_attn_int(struct bnx2x *bp)
3630 /* read local copy of bits */
3631 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
3633 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
3635 u32 attn_state = bp->attn_state;
3637 /* look for changed bits */
3638 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
3639 u32 deasserted = ~attn_bits & attn_ack & attn_state;
3642 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
3643 attn_bits, attn_ack, asserted, deasserted);
3645 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
3646 BNX2X_ERR("BAD attention state\n");
3648 /* handle bits that were raised */
3650 bnx2x_attn_int_asserted(bp, asserted);
3653 bnx2x_attn_int_deasserted(bp, deasserted);
3656 static inline void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
3658 /* No memory barriers */
3659 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
3660 mmiowb(); /* keep prod updates ordered */
3664 static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
3665 union event_ring_elem *elem)
3667 if (!bp->cnic_eth_dev.starting_cid ||
3668 cid < bp->cnic_eth_dev.starting_cid)
3671 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
3673 if (unlikely(elem->message.data.cfc_del_event.error)) {
3674 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
3676 bnx2x_panic_dump(bp);
3678 bnx2x_cnic_cfc_comp(bp, cid);
3683 static void bnx2x_eq_int(struct bnx2x *bp)
3685 u16 hw_cons, sw_cons, sw_prod;
3686 union event_ring_elem *elem;
3691 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
3693 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
3694 * when we get the the next-page we nned to adjust so the loop
3695 * condition below will be met. The next element is the size of a
3696 * regular element and hence incrementing by 1
3698 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
3701 /* This function may never run in parralel with itself for a
3702 * specific bp, thus there is no need in "paired" read memory
3705 sw_cons = bp->eq_cons;
3706 sw_prod = bp->eq_prod;
3708 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->cq_spq_left %u\n",
3709 hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
3711 for (; sw_cons != hw_cons;
3712 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
3715 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
3717 cid = SW_CID(elem->message.data.cfc_del_event.cid);
3718 opcode = elem->message.opcode;
3721 /* handle eq element */
3723 case EVENT_RING_OPCODE_STAT_QUERY:
3724 DP(NETIF_MSG_TIMER, "got statistics comp event\n");
3725 /* nothing to do with stats comp */
3728 case EVENT_RING_OPCODE_CFC_DEL:
3729 /* handle according to cid range */
3731 * we may want to verify here that the bp state is
3734 DP(NETIF_MSG_IFDOWN,
3735 "got delete ramrod for MULTI[%d]\n", cid);
3737 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
3739 if (cid == BNX2X_FCOE_ETH_CID)
3740 bnx2x_fcoe(bp, state) = BNX2X_FP_STATE_CLOSED;
3743 bnx2x_fp(bp, cid, state) =
3744 BNX2X_FP_STATE_CLOSED;
3748 case EVENT_RING_OPCODE_STOP_TRAFFIC:
3749 DP(NETIF_MSG_IFUP, "got STOP TRAFFIC\n");
3750 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
3752 case EVENT_RING_OPCODE_START_TRAFFIC:
3753 DP(NETIF_MSG_IFUP, "got START TRAFFIC\n");
3754 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
3758 switch (opcode | bp->state) {
3759 case (EVENT_RING_OPCODE_FUNCTION_START |
3760 BNX2X_STATE_OPENING_WAIT4_PORT):
3761 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
3762 bp->state = BNX2X_STATE_FUNC_STARTED;
3765 case (EVENT_RING_OPCODE_FUNCTION_STOP |
3766 BNX2X_STATE_CLOSING_WAIT4_HALT):
3767 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
3768 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
3771 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
3772 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
3773 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
3774 if (elem->message.data.set_mac_event.echo)
3775 bp->set_mac_pending = 0;
3778 case (EVENT_RING_OPCODE_SET_MAC |
3779 BNX2X_STATE_CLOSING_WAIT4_HALT):
3780 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
3781 if (elem->message.data.set_mac_event.echo)
3782 bp->set_mac_pending = 0;
3785 /* unknown event log error and continue */
3786 BNX2X_ERR("Unknown EQ event %d\n",
3787 elem->message.opcode);
3793 smp_mb__before_atomic_inc();
3794 atomic_add(spqe_cnt, &bp->eq_spq_left);
3796 bp->eq_cons = sw_cons;
3797 bp->eq_prod = sw_prod;
3798 /* Make sure that above mem writes were issued towards the memory */
3801 /* update producer */
3802 bnx2x_update_eq_prod(bp, bp->eq_prod);
3805 static void bnx2x_sp_task(struct work_struct *work)
3807 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
3810 /* Return here if interrupt is disabled */
3811 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
3812 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
3816 status = bnx2x_update_dsb_idx(bp);
3817 /* if (status == 0) */
3818 /* BNX2X_ERR("spurious slowpath interrupt!\n"); */
3820 DP(NETIF_MSG_INTR, "got a slowpath interrupt (status 0x%x)\n", status);
3823 if (status & BNX2X_DEF_SB_ATT_IDX) {
3825 status &= ~BNX2X_DEF_SB_ATT_IDX;
3828 /* SP events: STAT_QUERY and others */
3829 if (status & BNX2X_DEF_SB_IDX) {
3831 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
3833 if ((!NO_FCOE(bp)) &&
3834 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp)))
3835 napi_schedule(&bnx2x_fcoe(bp, napi));
3837 /* Handle EQ completions */
3840 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
3841 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
3843 status &= ~BNX2X_DEF_SB_IDX;
3846 if (unlikely(status))
3847 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
3850 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
3851 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
3854 irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
3856 struct net_device *dev = dev_instance;
3857 struct bnx2x *bp = netdev_priv(dev);
3859 /* Return here if interrupt is disabled */
3860 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
3861 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
3865 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
3866 IGU_INT_DISABLE, 0);
3868 #ifdef BNX2X_STOP_ON_ERROR
3869 if (unlikely(bp->panic))
3875 struct cnic_ops *c_ops;
3878 c_ops = rcu_dereference(bp->cnic_ops);
3880 c_ops->cnic_handler(bp->cnic_data, NULL);
3884 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
3889 /* end of slow path */
3891 static void bnx2x_timer(unsigned long data)
3893 struct bnx2x *bp = (struct bnx2x *) data;
3895 if (!netif_running(bp->dev))
3898 if (atomic_read(&bp->intr_sem) != 0)
3902 struct bnx2x_fastpath *fp = &bp->fp[0];
3906 rc = bnx2x_rx_int(fp, 1000);
3909 if (!BP_NOMCP(bp)) {
3910 int mb_idx = BP_FW_MB_IDX(bp);
3914 ++bp->fw_drv_pulse_wr_seq;
3915 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3916 /* TBD - add SYSTEM_TIME */
3917 drv_pulse = bp->fw_drv_pulse_wr_seq;
3918 SHMEM_WR(bp, func_mb[mb_idx].drv_pulse_mb, drv_pulse);
3920 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
3921 MCP_PULSE_SEQ_MASK);
3922 /* The delta between driver pulse and mcp response
3923 * should be 1 (before mcp response) or 0 (after mcp response)
3925 if ((drv_pulse != mcp_pulse) &&
3926 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3927 /* someone lost a heartbeat... */
3928 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3929 drv_pulse, mcp_pulse);
3933 if (bp->state == BNX2X_STATE_OPEN)
3934 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
3937 mod_timer(&bp->timer, jiffies + bp->current_interval);
3940 /* end of Statistics */
3945 * nic init service functions
3948 static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
3951 if (!(len%4) && !(addr%4))
3952 for (i = 0; i < len; i += 4)
3953 REG_WR(bp, addr + i, fill);
3955 for (i = 0; i < len; i++)
3956 REG_WR8(bp, addr + i, fill);
3960 /* helper: writes FP SP data to FW - data_size in dwords */
3961 static inline void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
3967 for (index = 0; index < data_size; index++)
3968 REG_WR(bp, BAR_CSTRORM_INTMEM +
3969 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
3971 *(sb_data_p + index));
3974 static inline void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
3978 struct hc_status_block_data_e2 sb_data_e2;
3979 struct hc_status_block_data_e1x sb_data_e1x;
3981 /* disable the function first */
3982 if (CHIP_IS_E2(bp)) {
3983 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
3984 sb_data_e2.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3985 sb_data_e2.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3986 sb_data_e2.common.p_func.vf_valid = false;
3987 sb_data_p = (u32 *)&sb_data_e2;
3988 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
3990 memset(&sb_data_e1x, 0,
3991 sizeof(struct hc_status_block_data_e1x));
3992 sb_data_e1x.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3993 sb_data_e1x.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3994 sb_data_e1x.common.p_func.vf_valid = false;
3995 sb_data_p = (u32 *)&sb_data_e1x;
3996 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
3998 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4000 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4001 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
4002 CSTORM_STATUS_BLOCK_SIZE);
4003 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4004 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
4005 CSTORM_SYNC_BLOCK_SIZE);
4008 /* helper: writes SP SB data to FW */
4009 static inline void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
4010 struct hc_sp_status_block_data *sp_sb_data)
4012 int func = BP_FUNC(bp);
4014 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
4015 REG_WR(bp, BAR_CSTRORM_INTMEM +
4016 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
4018 *((u32 *)sp_sb_data + i));
4021 static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
4023 int func = BP_FUNC(bp);
4024 struct hc_sp_status_block_data sp_sb_data;
4025 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4027 sp_sb_data.p_func.pf_id = HC_FUNCTION_DISABLED;
4028 sp_sb_data.p_func.vf_id = HC_FUNCTION_DISABLED;
4029 sp_sb_data.p_func.vf_valid = false;
4031 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
4033 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4034 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
4035 CSTORM_SP_STATUS_BLOCK_SIZE);
4036 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4037 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
4038 CSTORM_SP_SYNC_BLOCK_SIZE);
4044 void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
4045 int igu_sb_id, int igu_seg_id)
4047 hc_sm->igu_sb_id = igu_sb_id;
4048 hc_sm->igu_seg_id = igu_seg_id;
4049 hc_sm->timer_value = 0xFF;
4050 hc_sm->time_to_expire = 0xFFFFFFFF;
4053 static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
4054 u8 vf_valid, int fw_sb_id, int igu_sb_id)
4058 struct hc_status_block_data_e2 sb_data_e2;
4059 struct hc_status_block_data_e1x sb_data_e1x;
4060 struct hc_status_block_sm *hc_sm_p;
4061 struct hc_index_data *hc_index_p;
4065 if (CHIP_INT_MODE_IS_BC(bp))
4066 igu_seg_id = HC_SEG_ACCESS_NORM;
4068 igu_seg_id = IGU_SEG_ACCESS_NORM;
4070 bnx2x_zero_fp_sb(bp, fw_sb_id);
4072 if (CHIP_IS_E2(bp)) {
4073 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
4074 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
4075 sb_data_e2.common.p_func.vf_id = vfid;
4076 sb_data_e2.common.p_func.vf_valid = vf_valid;
4077 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
4078 sb_data_e2.common.same_igu_sb_1b = true;
4079 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
4080 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
4081 hc_sm_p = sb_data_e2.common.state_machine;
4082 hc_index_p = sb_data_e2.index_data;
4083 sb_data_p = (u32 *)&sb_data_e2;
4084 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
4086 memset(&sb_data_e1x, 0,
4087 sizeof(struct hc_status_block_data_e1x));
4088 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
4089 sb_data_e1x.common.p_func.vf_id = 0xff;
4090 sb_data_e1x.common.p_func.vf_valid = false;
4091 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
4092 sb_data_e1x.common.same_igu_sb_1b = true;
4093 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
4094 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
4095 hc_sm_p = sb_data_e1x.common.state_machine;
4096 hc_index_p = sb_data_e1x.index_data;
4097 sb_data_p = (u32 *)&sb_data_e1x;
4098 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
4101 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
4102 igu_sb_id, igu_seg_id);
4103 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
4104 igu_sb_id, igu_seg_id);
4106 DP(NETIF_MSG_HW, "Init FW SB %d\n", fw_sb_id);
4108 /* write indecies to HW */
4109 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4112 static void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u16 fw_sb_id,
4113 u8 sb_index, u8 disable, u16 usec)
4115 int port = BP_PORT(bp);
4116 u8 ticks = usec / BNX2X_BTR;
4118 storm_memset_hc_timeout(bp, port, fw_sb_id, sb_index, ticks);
4120 disable = disable ? 1 : (usec ? 0 : 1);
4121 storm_memset_hc_disable(bp, port, fw_sb_id, sb_index, disable);
4124 static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u16 fw_sb_id,
4125 u16 tx_usec, u16 rx_usec)
4127 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, U_SB_ETH_RX_CQ_INDEX,
4129 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, C_SB_ETH_TX_CQ_INDEX,
4133 static void bnx2x_init_def_sb(struct bnx2x *bp)
4135 struct host_sp_status_block *def_sb = bp->def_status_blk;
4136 dma_addr_t mapping = bp->def_status_blk_mapping;
4137 int igu_sp_sb_index;
4139 int port = BP_PORT(bp);
4140 int func = BP_FUNC(bp);
4144 struct hc_sp_status_block_data sp_sb_data;
4145 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4147 if (CHIP_INT_MODE_IS_BC(bp)) {
4148 igu_sp_sb_index = DEF_SB_IGU_ID;
4149 igu_seg_id = HC_SEG_ACCESS_DEF;
4151 igu_sp_sb_index = bp->igu_dsb_id;
4152 igu_seg_id = IGU_SEG_ACCESS_DEF;
4156 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
4157 atten_status_block);
4158 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
4162 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4163 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4164 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4166 /* take care of sig[0]..sig[4] */
4167 for (sindex = 0; sindex < 4; sindex++)
4168 bp->attn_group[index].sig[sindex] =
4169 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
4173 * enable5 is separate from the rest of the registers,
4174 * and therefore the address skip is 4
4175 * and not 16 between the different groups
4177 bp->attn_group[index].sig[4] = REG_RD(bp,
4178 reg_offset + 0x10 + 0x4*index);
4180 bp->attn_group[index].sig[4] = 0;
4183 if (bp->common.int_block == INT_BLOCK_HC) {
4184 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4185 HC_REG_ATTN_MSG0_ADDR_L);
4187 REG_WR(bp, reg_offset, U64_LO(section));
4188 REG_WR(bp, reg_offset + 4, U64_HI(section));
4189 } else if (CHIP_IS_E2(bp)) {
4190 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
4191 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
4194 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
4197 bnx2x_zero_sp_sb(bp);
4199 sp_sb_data.host_sb_addr.lo = U64_LO(section);
4200 sp_sb_data.host_sb_addr.hi = U64_HI(section);
4201 sp_sb_data.igu_sb_id = igu_sp_sb_index;
4202 sp_sb_data.igu_seg_id = igu_seg_id;
4203 sp_sb_data.p_func.pf_id = func;
4204 sp_sb_data.p_func.vnic_id = BP_VN(bp);
4205 sp_sb_data.p_func.vf_id = 0xff;
4207 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
4209 bp->stats_pending = 0;
4210 bp->set_mac_pending = 0;
4212 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
4215 void bnx2x_update_coalesce(struct bnx2x *bp)
4219 for_each_eth_queue(bp, i)
4220 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
4221 bp->rx_ticks, bp->tx_ticks);
4224 static void bnx2x_init_sp_ring(struct bnx2x *bp)
4226 spin_lock_init(&bp->spq_lock);
4227 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
4229 bp->spq_prod_idx = 0;
4230 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4231 bp->spq_prod_bd = bp->spq;
4232 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
4235 static void bnx2x_init_eq_ring(struct bnx2x *bp)
4238 for (i = 1; i <= NUM_EQ_PAGES; i++) {
4239 union event_ring_elem *elem =
4240 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
4242 elem->next_page.addr.hi =
4243 cpu_to_le32(U64_HI(bp->eq_mapping +
4244 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
4245 elem->next_page.addr.lo =
4246 cpu_to_le32(U64_LO(bp->eq_mapping +
4247 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
4250 bp->eq_prod = NUM_EQ_DESC;
4251 bp->eq_cons_sb = BNX2X_EQ_INDEX;
4252 /* we want a warning message before it gets rought... */
4253 atomic_set(&bp->eq_spq_left,
4254 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
4257 static void bnx2x_init_ind_table(struct bnx2x *bp)
4259 int func = BP_FUNC(bp);
4262 if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
4266 "Initializing indirection table multi_mode %d\n", bp->multi_mode);
4267 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4268 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4269 TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
4270 bp->fp->cl_id + (i % (bp->num_queues -
4271 NONE_ETH_CONTEXT_USE)));
4274 void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
4276 int mode = bp->rx_mode;
4277 int port = BP_PORT(bp);
4279 u32 def_q_filters = 0;
4281 /* All but management unicast packets should pass to the host as well */
4283 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_BRCST |
4284 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_MLCST |
4285 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_VLAN |
4286 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_NO_VLAN;
4289 case BNX2X_RX_MODE_NONE: /* no Rx */
4290 def_q_filters = BNX2X_ACCEPT_NONE;
4293 cl_id = bnx2x_fcoe(bp, cl_id);
4294 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4299 case BNX2X_RX_MODE_NORMAL:
4300 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4301 BNX2X_ACCEPT_MULTICAST;
4304 cl_id = bnx2x_fcoe(bp, cl_id);
4305 bnx2x_rxq_set_mac_filters(bp, cl_id,
4306 BNX2X_ACCEPT_UNICAST |
4307 BNX2X_ACCEPT_MULTICAST);
4312 case BNX2X_RX_MODE_ALLMULTI:
4313 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4314 BNX2X_ACCEPT_ALL_MULTICAST;
4317 * Prevent duplication of multicast packets by configuring FCoE
4318 * L2 Client to receive only matched unicast frames.
4321 cl_id = bnx2x_fcoe(bp, cl_id);
4322 bnx2x_rxq_set_mac_filters(bp, cl_id,
4323 BNX2X_ACCEPT_UNICAST);
4328 case BNX2X_RX_MODE_PROMISC:
4329 def_q_filters |= BNX2X_PROMISCUOUS_MODE;
4332 * Prevent packets duplication by configuring DROP_ALL for FCoE
4336 cl_id = bnx2x_fcoe(bp, cl_id);
4337 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4340 /* pass management unicast packets as well */
4341 llh_mask |= NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_UNCST;
4345 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4349 cl_id = BP_L_ID(bp);
4350 bnx2x_rxq_set_mac_filters(bp, cl_id, def_q_filters);
4353 (port ? NIG_REG_LLH1_BRB1_DRV_MASK :
4354 NIG_REG_LLH0_BRB1_DRV_MASK), llh_mask);
4356 DP(NETIF_MSG_IFUP, "rx mode %d\n"
4357 "drop_ucast 0x%x\ndrop_mcast 0x%x\ndrop_bcast 0x%x\n"
4358 "accp_ucast 0x%x\naccp_mcast 0x%x\naccp_bcast 0x%x\n"
4359 "unmatched_ucast 0x%x\n", mode,
4360 bp->mac_filters.ucast_drop_all,
4361 bp->mac_filters.mcast_drop_all,
4362 bp->mac_filters.bcast_drop_all,
4363 bp->mac_filters.ucast_accept_all,
4364 bp->mac_filters.mcast_accept_all,
4365 bp->mac_filters.bcast_accept_all,
4366 bp->mac_filters.unmatched_unicast
4369 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
4372 static void bnx2x_init_internal_common(struct bnx2x *bp)
4376 if (!CHIP_IS_E1(bp)) {
4378 /* xstorm needs to know whether to add ovlan to packets or not,
4379 * in switch-independent we'll write 0 to here... */
4380 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
4382 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
4384 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
4386 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
4392 * In switch independent mode, the TSTORM needs to accept
4393 * packets that failed classification, since approximate match
4394 * mac addresses aren't written to NIG LLH
4396 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4397 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
4399 /* Zero this manually as its initialization is
4400 currently missing in the initTool */
4401 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4402 REG_WR(bp, BAR_USTRORM_INTMEM +
4403 USTORM_AGG_DATA_OFFSET + i * 4, 0);
4404 if (CHIP_IS_E2(bp)) {
4405 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
4406 CHIP_INT_MODE_IS_BC(bp) ?
4407 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
4411 static void bnx2x_init_internal_port(struct bnx2x *bp)
4414 bnx2x_dcb_init_intmem_pfc(bp);
4417 static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4419 switch (load_code) {
4420 case FW_MSG_CODE_DRV_LOAD_COMMON:
4421 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
4422 bnx2x_init_internal_common(bp);
4425 case FW_MSG_CODE_DRV_LOAD_PORT:
4426 bnx2x_init_internal_port(bp);
4429 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
4430 /* internal memory per function is
4431 initialized inside bnx2x_pf_init */
4435 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4440 static void bnx2x_init_fp_sb(struct bnx2x *bp, int fp_idx)
4442 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
4444 fp->state = BNX2X_FP_STATE_CLOSED;
4446 fp->index = fp->cid = fp_idx;
4447 fp->cl_id = BP_L_ID(bp) + fp_idx;
4448 fp->fw_sb_id = bp->base_fw_ndsb + fp->cl_id + CNIC_CONTEXT_USE;
4449 fp->igu_sb_id = bp->igu_base_sb + fp_idx + CNIC_CONTEXT_USE;
4450 /* qZone id equals to FW (per path) client id */
4451 fp->cl_qzone_id = fp->cl_id +
4452 BP_PORT(bp)*(CHIP_IS_E2(bp) ? ETH_MAX_RX_CLIENTS_E2 :
4453 ETH_MAX_RX_CLIENTS_E1H);
4455 fp->ustorm_rx_prods_offset = CHIP_IS_E2(bp) ?
4456 USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id) :
4457 USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
4458 /* Setup SB indicies */
4459 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4460 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4462 DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) "
4463 "cl_id %d fw_sb %d igu_sb %d\n",
4464 fp_idx, bp, fp->status_blk.e1x_sb, fp->cl_id, fp->fw_sb_id,
4466 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
4467 fp->fw_sb_id, fp->igu_sb_id);
4469 bnx2x_update_fpsb_idx(fp);
4472 void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
4476 for_each_eth_queue(bp, i)
4477 bnx2x_init_fp_sb(bp, i);
4480 bnx2x_init_fcoe_fp(bp);
4482 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
4483 BNX2X_VF_ID_INVALID, false,
4484 CNIC_SB_ID(bp), CNIC_IGU_SB_ID(bp));
4488 /* ensure status block indices were read */
4491 bnx2x_init_def_sb(bp);
4492 bnx2x_update_dsb_idx(bp);
4493 bnx2x_init_rx_rings(bp);
4494 bnx2x_init_tx_rings(bp);
4495 bnx2x_init_sp_ring(bp);
4496 bnx2x_init_eq_ring(bp);
4497 bnx2x_init_internal(bp, load_code);
4499 bnx2x_init_ind_table(bp);
4500 bnx2x_stats_init(bp);
4502 /* At this point, we are ready for interrupts */
4503 atomic_set(&bp->intr_sem, 0);
4505 /* flush all before enabling interrupts */
4509 bnx2x_int_enable(bp);
4511 /* Check for SPIO5 */
4512 bnx2x_attn_int_deasserted0(bp,
4513 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
4514 AEU_INPUTS_ATTN_BITS_SPIO5);
4517 /* end of nic init */
4520 * gzip service functions
4523 static int bnx2x_gunzip_init(struct bnx2x *bp)
4525 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
4526 &bp->gunzip_mapping, GFP_KERNEL);
4527 if (bp->gunzip_buf == NULL)
4530 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4531 if (bp->strm == NULL)
4534 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4536 if (bp->strm->workspace == NULL)
4546 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4547 bp->gunzip_mapping);
4548 bp->gunzip_buf = NULL;
4551 netdev_err(bp->dev, "Cannot allocate firmware buffer for"
4552 " un-compression\n");
4556 static void bnx2x_gunzip_end(struct bnx2x *bp)
4558 kfree(bp->strm->workspace);
4562 if (bp->gunzip_buf) {
4563 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4564 bp->gunzip_mapping);
4565 bp->gunzip_buf = NULL;
4569 static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
4573 /* check gzip header */
4574 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
4575 BNX2X_ERR("Bad gzip header\n");
4583 if (zbuf[3] & FNAME)
4584 while ((zbuf[n++] != 0) && (n < len));
4586 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
4587 bp->strm->avail_in = len - n;
4588 bp->strm->next_out = bp->gunzip_buf;
4589 bp->strm->avail_out = FW_BUF_SIZE;
4591 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4595 rc = zlib_inflate(bp->strm, Z_FINISH);
4596 if ((rc != Z_OK) && (rc != Z_STREAM_END))
4597 netdev_err(bp->dev, "Firmware decompression error: %s\n",
4600 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4601 if (bp->gunzip_outlen & 0x3)
4602 netdev_err(bp->dev, "Firmware decompression error:"
4603 " gunzip_outlen (%d) not aligned\n",
4605 bp->gunzip_outlen >>= 2;
4607 zlib_inflateEnd(bp->strm);
4609 if (rc == Z_STREAM_END)
4615 /* nic load/unload */
4618 * General service functions
4621 /* send a NIG loopback debug packet */
4622 static void bnx2x_lb_pckt(struct bnx2x *bp)
4626 /* Ethernet source and destination addresses */
4627 wb_write[0] = 0x55555555;
4628 wb_write[1] = 0x55555555;
4629 wb_write[2] = 0x20; /* SOP */
4630 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
4632 /* NON-IP protocol */
4633 wb_write[0] = 0x09000000;
4634 wb_write[1] = 0x55555555;
4635 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
4636 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
4639 /* some of the internal memories
4640 * are not directly readable from the driver
4641 * to test them we send debug packets
4643 static int bnx2x_int_mem_test(struct bnx2x *bp)
4649 if (CHIP_REV_IS_FPGA(bp))
4651 else if (CHIP_REV_IS_EMUL(bp))
4656 /* Disable inputs of parser neighbor blocks */
4657 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4658 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4659 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4660 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
4662 /* Write 0 to parser credits for CFC search request */
4663 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4665 /* send Ethernet packet */
4668 /* TODO do i reset NIG statistic? */
4669 /* Wait until NIG register shows 1 packet of size 0x10 */
4670 count = 1000 * factor;
4673 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4674 val = *bnx2x_sp(bp, wb_data[0]);
4682 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4686 /* Wait until PRS register shows 1 packet */
4687 count = 1000 * factor;
4689 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4697 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4701 /* Reset and init BRB, PRS */
4702 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4704 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4706 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4707 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
4709 DP(NETIF_MSG_HW, "part2\n");
4711 /* Disable inputs of parser neighbor blocks */
4712 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4713 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4714 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4715 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
4717 /* Write 0 to parser credits for CFC search request */
4718 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4720 /* send 10 Ethernet packets */
4721 for (i = 0; i < 10; i++)
4724 /* Wait until NIG register shows 10 + 1
4725 packets of size 11*0x10 = 0xb0 */
4726 count = 1000 * factor;
4729 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4730 val = *bnx2x_sp(bp, wb_data[0]);
4738 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4742 /* Wait until PRS register shows 2 packets */
4743 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4745 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4747 /* Write 1 to parser credits for CFC search request */
4748 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
4750 /* Wait until PRS register shows 3 packets */
4751 msleep(10 * factor);
4752 /* Wait until NIG register shows 1 packet of size 0x10 */
4753 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4755 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4757 /* clear NIG EOP FIFO */
4758 for (i = 0; i < 11; i++)
4759 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
4760 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
4762 BNX2X_ERR("clear of NIG failed\n");
4766 /* Reset and init BRB, PRS, NIG */
4767 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4769 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4771 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4772 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
4775 REG_WR(bp, PRS_REG_NIC_MODE, 1);
4778 /* Enable inputs of parser neighbor blocks */
4779 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
4780 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
4781 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
4782 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
4784 DP(NETIF_MSG_HW, "done\n");
4789 static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
4791 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
4793 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
4795 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
4796 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
4797 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
4799 * mask read length error interrupts in brb for parser
4800 * (parsing unit and 'checksum and crc' unit)
4801 * these errors are legal (PU reads fixed length and CAC can cause
4802 * read length error on truncated packets)
4804 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
4805 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
4806 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
4807 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
4808 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
4809 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
4810 /* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
4811 /* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
4812 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
4813 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
4814 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
4815 /* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
4816 /* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
4817 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
4818 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
4819 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
4820 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
4821 /* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
4822 /* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
4824 if (CHIP_REV_IS_FPGA(bp))
4825 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
4826 else if (CHIP_IS_E2(bp))
4827 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
4828 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
4829 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
4830 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
4831 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
4832 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
4834 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
4835 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
4836 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
4837 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
4838 /* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
4839 /* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
4840 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
4841 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
4842 /* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
4843 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
4846 static void bnx2x_reset_common(struct bnx2x *bp)
4849 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
4851 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
4854 static void bnx2x_init_pxp(struct bnx2x *bp)
4857 int r_order, w_order;
4859 pci_read_config_word(bp->pdev,
4860 bp->pcie_cap + PCI_EXP_DEVCTL, &devctl);
4861 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
4862 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
4864 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
4866 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
4870 bnx2x_init_pxp_arb(bp, r_order, w_order);
4873 static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
4883 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
4884 SHARED_HW_CFG_FAN_FAILURE_MASK;
4886 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
4890 * The fan failure mechanism is usually related to the PHY type since
4891 * the power consumption of the board is affected by the PHY. Currently,
4892 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
4894 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
4895 for (port = PORT_0; port < PORT_MAX; port++) {
4897 bnx2x_fan_failure_det_req(
4899 bp->common.shmem_base,
4900 bp->common.shmem2_base,
4904 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
4906 if (is_required == 0)
4909 /* Fan failure is indicated by SPIO 5 */
4910 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
4911 MISC_REGISTERS_SPIO_INPUT_HI_Z);
4913 /* set to active low mode */
4914 val = REG_RD(bp, MISC_REG_SPIO_INT);
4915 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
4916 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
4917 REG_WR(bp, MISC_REG_SPIO_INT, val);
4919 /* enable interrupt to signal the IGU */
4920 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
4921 val |= (1 << MISC_REGISTERS_SPIO_5);
4922 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
4925 static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
4931 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
4934 switch (BP_ABS_FUNC(bp)) {
4936 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
4939 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
4942 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
4945 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
4948 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
4951 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
4954 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
4957 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
4963 REG_WR(bp, offset, pretend_func_num);
4965 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
4968 static void bnx2x_pf_disable(struct bnx2x *bp)
4970 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
4971 val &= ~IGU_PF_CONF_FUNC_EN;
4973 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
4974 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
4975 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
4978 static int bnx2x_init_hw_common(struct bnx2x *bp, u32 load_code)
4982 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_ABS_FUNC(bp));
4984 bnx2x_reset_common(bp);
4985 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
4986 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
4988 bnx2x_init_block(bp, MISC_BLOCK, COMMON_STAGE);
4989 if (!CHIP_IS_E1(bp))
4990 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_MF(bp));
4992 if (CHIP_IS_E2(bp)) {
4996 * 4-port mode or 2-port mode we need to turn of master-enable
4997 * for everyone, after that, turn it back on for self.
4998 * so, we disregard multi-function or not, and always disable
4999 * for all functions on the given path, this means 0,2,4,6 for
5000 * path 0 and 1,3,5,7 for path 1
5002 for (fid = BP_PATH(bp); fid < E2_FUNC_MAX*2; fid += 2) {
5003 if (fid == BP_ABS_FUNC(bp)) {
5005 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
5010 bnx2x_pretend_func(bp, fid);
5011 /* clear pf enable */
5012 bnx2x_pf_disable(bp);
5013 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5017 bnx2x_init_block(bp, PXP_BLOCK, COMMON_STAGE);
5018 if (CHIP_IS_E1(bp)) {
5019 /* enable HW interrupt from PXP on USDM overflow
5020 bit 16 on INT_MASK_0 */
5021 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
5024 bnx2x_init_block(bp, PXP2_BLOCK, COMMON_STAGE);
5028 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5029 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5030 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5031 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5032 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
5033 /* make sure this value is 0 */
5034 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
5036 /* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5037 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5038 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5039 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5040 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
5043 bnx2x_ilt_init_page_size(bp, INITOP_SET);
5045 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5046 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
5048 /* let the HW do it's magic ... */
5050 /* finish PXP init */
5051 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5053 BNX2X_ERR("PXP2 CFG failed\n");
5056 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5058 BNX2X_ERR("PXP2 RD_INIT failed\n");
5062 /* Timers bug workaround E2 only. We need to set the entire ILT to
5063 * have entries with value "0" and valid bit on.
5064 * This needs to be done by the first PF that is loaded in a path
5065 * (i.e. common phase)
5067 if (CHIP_IS_E2(bp)) {
5068 struct ilt_client_info ilt_cli;
5069 struct bnx2x_ilt ilt;
5070 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
5071 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
5073 /* initialize dummy TM client */
5075 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
5076 ilt_cli.client_num = ILT_CLIENT_TM;
5078 /* Step 1: set zeroes to all ilt page entries with valid bit on
5079 * Step 2: set the timers first/last ilt entry to point
5080 * to the entire range to prevent ILT range error for 3rd/4th
5081 * vnic (this code assumes existance of the vnic)
5083 * both steps performed by call to bnx2x_ilt_client_init_op()
5084 * with dummy TM client
5086 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
5087 * and his brother are split registers
5089 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
5090 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
5091 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5093 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
5094 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
5095 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
5099 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5100 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
5102 if (CHIP_IS_E2(bp)) {
5103 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
5104 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
5105 bnx2x_init_block(bp, PGLUE_B_BLOCK, COMMON_STAGE);
5107 bnx2x_init_block(bp, ATC_BLOCK, COMMON_STAGE);
5109 /* let the HW do it's magic ... */
5112 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
5113 } while (factor-- && (val != 1));
5116 BNX2X_ERR("ATC_INIT failed\n");
5121 bnx2x_init_block(bp, DMAE_BLOCK, COMMON_STAGE);
5123 /* clean the DMAE memory */
5125 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
5127 bnx2x_init_block(bp, TCM_BLOCK, COMMON_STAGE);
5128 bnx2x_init_block(bp, UCM_BLOCK, COMMON_STAGE);
5129 bnx2x_init_block(bp, CCM_BLOCK, COMMON_STAGE);
5130 bnx2x_init_block(bp, XCM_BLOCK, COMMON_STAGE);
5132 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5133 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5134 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5135 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5137 bnx2x_init_block(bp, QM_BLOCK, COMMON_STAGE);
5139 if (CHIP_MODE_IS_4_PORT(bp))
5140 bnx2x_init_block(bp, QM_4PORT_BLOCK, COMMON_STAGE);
5142 /* QM queues pointers table */
5143 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
5145 /* soft reset pulse */
5146 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5147 REG_WR(bp, QM_REG_SOFT_RESET, 0);
5150 bnx2x_init_block(bp, TIMERS_BLOCK, COMMON_STAGE);
5153 bnx2x_init_block(bp, DQ_BLOCK, COMMON_STAGE);
5154 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
5156 if (!CHIP_REV_IS_SLOW(bp)) {
5157 /* enable hw interrupt from doorbell Q */
5158 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5161 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
5162 if (CHIP_MODE_IS_4_PORT(bp)) {
5163 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD, 248);
5164 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD, 328);
5167 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
5168 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
5171 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5173 if (!CHIP_IS_E1(bp))
5174 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_MF_SD(bp));
5176 if (CHIP_IS_E2(bp)) {
5177 /* Bit-map indicating which L2 hdrs may appear after the
5178 basic Ethernet header */
5179 int has_ovlan = IS_MF_SD(bp);
5180 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5181 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5184 bnx2x_init_block(bp, TSDM_BLOCK, COMMON_STAGE);
5185 bnx2x_init_block(bp, CSDM_BLOCK, COMMON_STAGE);
5186 bnx2x_init_block(bp, USDM_BLOCK, COMMON_STAGE);
5187 bnx2x_init_block(bp, XSDM_BLOCK, COMMON_STAGE);
5189 bnx2x_init_fill(bp, TSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5190 bnx2x_init_fill(bp, USEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5191 bnx2x_init_fill(bp, CSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5192 bnx2x_init_fill(bp, XSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5194 bnx2x_init_block(bp, TSEM_BLOCK, COMMON_STAGE);
5195 bnx2x_init_block(bp, USEM_BLOCK, COMMON_STAGE);
5196 bnx2x_init_block(bp, CSEM_BLOCK, COMMON_STAGE);
5197 bnx2x_init_block(bp, XSEM_BLOCK, COMMON_STAGE);
5199 if (CHIP_MODE_IS_4_PORT(bp))
5200 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, COMMON_STAGE);
5203 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5205 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5208 bnx2x_init_block(bp, UPB_BLOCK, COMMON_STAGE);
5209 bnx2x_init_block(bp, XPB_BLOCK, COMMON_STAGE);
5210 bnx2x_init_block(bp, PBF_BLOCK, COMMON_STAGE);
5212 if (CHIP_IS_E2(bp)) {
5213 int has_ovlan = IS_MF_SD(bp);
5214 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5215 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5218 REG_WR(bp, SRC_REG_SOFT_RST, 1);
5219 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4)
5220 REG_WR(bp, i, random32());
5222 bnx2x_init_block(bp, SRCH_BLOCK, COMMON_STAGE);
5224 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
5225 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
5226 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
5227 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
5228 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
5229 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
5230 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
5231 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
5232 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
5233 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
5235 REG_WR(bp, SRC_REG_SOFT_RST, 0);
5237 if (sizeof(union cdu_context) != 1024)
5238 /* we currently assume that a context is 1024 bytes */
5239 dev_alert(&bp->pdev->dev, "please adjust the size "
5240 "of cdu_context(%ld)\n",
5241 (long)sizeof(union cdu_context));
5243 bnx2x_init_block(bp, CDU_BLOCK, COMMON_STAGE);
5244 val = (4 << 24) + (0 << 12) + 1024;
5245 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
5247 bnx2x_init_block(bp, CFC_BLOCK, COMMON_STAGE);
5248 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
5249 /* enable context validation interrupt from CFC */
5250 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5252 /* set the thresholds to prevent CFC/CDU race */
5253 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
5255 bnx2x_init_block(bp, HC_BLOCK, COMMON_STAGE);
5257 if (CHIP_IS_E2(bp) && BP_NOMCP(bp))
5258 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
5260 bnx2x_init_block(bp, IGU_BLOCK, COMMON_STAGE);
5261 bnx2x_init_block(bp, MISC_AEU_BLOCK, COMMON_STAGE);
5263 bnx2x_init_block(bp, PXPCS_BLOCK, COMMON_STAGE);
5264 /* Reset PCIE errors for debug */
5265 REG_WR(bp, 0x2814, 0xffffffff);
5266 REG_WR(bp, 0x3820, 0xffffffff);
5268 if (CHIP_IS_E2(bp)) {
5269 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
5270 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
5271 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
5272 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
5273 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
5274 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
5275 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
5276 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
5277 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
5278 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
5279 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
5282 bnx2x_init_block(bp, EMAC0_BLOCK, COMMON_STAGE);
5283 bnx2x_init_block(bp, EMAC1_BLOCK, COMMON_STAGE);
5284 bnx2x_init_block(bp, DBU_BLOCK, COMMON_STAGE);
5285 bnx2x_init_block(bp, DBG_BLOCK, COMMON_STAGE);
5287 bnx2x_init_block(bp, NIG_BLOCK, COMMON_STAGE);
5288 if (!CHIP_IS_E1(bp)) {
5289 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
5290 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
5292 if (CHIP_IS_E2(bp)) {
5293 /* Bit-map indicating which L2 hdrs may appear after the
5294 basic Ethernet header */
5295 REG_WR(bp, NIG_REG_P0_HDRS_AFTER_BASIC, (IS_MF_SD(bp) ? 7 : 6));
5298 if (CHIP_REV_IS_SLOW(bp))
5301 /* finish CFC init */
5302 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5304 BNX2X_ERR("CFC LL_INIT failed\n");
5307 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5309 BNX2X_ERR("CFC AC_INIT failed\n");
5312 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5314 BNX2X_ERR("CFC CAM_INIT failed\n");
5317 REG_WR(bp, CFC_REG_DEBUG0, 0);
5319 if (CHIP_IS_E1(bp)) {
5320 /* read NIG statistic
5321 to see if this is our first up since powerup */
5322 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5323 val = *bnx2x_sp(bp, wb_data[0]);
5325 /* do internal memory self test */
5326 if ((val == 0) && bnx2x_int_mem_test(bp)) {
5327 BNX2X_ERR("internal mem self test failed\n");
5332 bnx2x_setup_fan_failure_detection(bp);
5334 /* clear PXP2 attentions */
5335 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
5337 bnx2x_enable_blocks_attention(bp);
5338 if (CHIP_PARITY_ENABLED(bp))
5339 bnx2x_enable_blocks_parity(bp);
5341 if (!BP_NOMCP(bp)) {
5342 /* In E2 2-PORT mode, same ext phy is used for the two paths */
5343 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) ||
5345 u32 shmem_base[2], shmem2_base[2];
5346 shmem_base[0] = bp->common.shmem_base;
5347 shmem2_base[0] = bp->common.shmem2_base;
5348 if (CHIP_IS_E2(bp)) {
5350 SHMEM2_RD(bp, other_shmem_base_addr);
5352 SHMEM2_RD(bp, other_shmem2_base_addr);
5354 bnx2x_acquire_phy_lock(bp);
5355 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
5356 bp->common.chip_id);
5357 bnx2x_release_phy_lock(bp);
5360 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5365 static int bnx2x_init_hw_port(struct bnx2x *bp)
5367 int port = BP_PORT(bp);
5368 int init_stage = port ? PORT1_STAGE : PORT0_STAGE;
5372 DP(BNX2X_MSG_MCP, "starting port init port %d\n", port);
5374 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
5376 bnx2x_init_block(bp, PXP_BLOCK, init_stage);
5377 bnx2x_init_block(bp, PXP2_BLOCK, init_stage);
5379 /* Timers bug workaround: disables the pf_master bit in pglue at
5380 * common phase, we need to enable it here before any dmae access are
5381 * attempted. Therefore we manually added the enable-master to the
5382 * port phase (it also happens in the function phase)
5385 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5387 bnx2x_init_block(bp, TCM_BLOCK, init_stage);
5388 bnx2x_init_block(bp, UCM_BLOCK, init_stage);
5389 bnx2x_init_block(bp, CCM_BLOCK, init_stage);
5390 bnx2x_init_block(bp, XCM_BLOCK, init_stage);
5392 /* QM cid (connection) count */
5393 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
5396 bnx2x_init_block(bp, TIMERS_BLOCK, init_stage);
5397 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
5398 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
5401 bnx2x_init_block(bp, DQ_BLOCK, init_stage);
5403 if (CHIP_MODE_IS_4_PORT(bp))
5404 bnx2x_init_block(bp, QM_4PORT_BLOCK, init_stage);
5406 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
5407 bnx2x_init_block(bp, BRB1_BLOCK, init_stage);
5408 if (CHIP_REV_IS_SLOW(bp) && CHIP_IS_E1(bp)) {
5409 /* no pause for emulation and FPGA */
5414 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
5415 else if (bp->dev->mtu > 4096) {
5416 if (bp->flags & ONE_PORT_FLAG)
5420 /* (24*1024 + val*4)/256 */
5421 low = 96 + (val/64) +
5422 ((val % 64) ? 1 : 0);
5425 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
5426 high = low + 56; /* 14*1024/256 */
5428 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
5429 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
5432 if (CHIP_MODE_IS_4_PORT(bp)) {
5433 REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 + port*8, 248);
5434 REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 + port*8, 328);
5435 REG_WR(bp, (BP_PORT(bp) ? BRB1_REG_MAC_GUARANTIED_1 :
5436 BRB1_REG_MAC_GUARANTIED_0), 40);
5439 bnx2x_init_block(bp, PRS_BLOCK, init_stage);
5441 bnx2x_init_block(bp, TSDM_BLOCK, init_stage);
5442 bnx2x_init_block(bp, CSDM_BLOCK, init_stage);
5443 bnx2x_init_block(bp, USDM_BLOCK, init_stage);
5444 bnx2x_init_block(bp, XSDM_BLOCK, init_stage);
5446 bnx2x_init_block(bp, TSEM_BLOCK, init_stage);
5447 bnx2x_init_block(bp, USEM_BLOCK, init_stage);
5448 bnx2x_init_block(bp, CSEM_BLOCK, init_stage);
5449 bnx2x_init_block(bp, XSEM_BLOCK, init_stage);
5450 if (CHIP_MODE_IS_4_PORT(bp))
5451 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, init_stage);
5453 bnx2x_init_block(bp, UPB_BLOCK, init_stage);
5454 bnx2x_init_block(bp, XPB_BLOCK, init_stage);
5456 bnx2x_init_block(bp, PBF_BLOCK, init_stage);
5458 if (!CHIP_IS_E2(bp)) {
5459 /* configure PBF to work without PAUSE mtu 9000 */
5460 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
5462 /* update threshold */
5463 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
5464 /* update init credit */
5465 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
5468 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
5470 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
5474 bnx2x_init_block(bp, SRCH_BLOCK, init_stage);
5476 bnx2x_init_block(bp, CDU_BLOCK, init_stage);
5477 bnx2x_init_block(bp, CFC_BLOCK, init_stage);
5479 if (CHIP_IS_E1(bp)) {
5480 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5481 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5483 bnx2x_init_block(bp, HC_BLOCK, init_stage);
5485 bnx2x_init_block(bp, IGU_BLOCK, init_stage);
5487 bnx2x_init_block(bp, MISC_AEU_BLOCK, init_stage);
5488 /* init aeu_mask_attn_func_0/1:
5489 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5490 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5491 * bits 4-7 are used for "per vn group attention" */
5492 val = IS_MF(bp) ? 0xF7 : 0x7;
5493 /* Enable DCBX attention for all but E1 */
5494 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
5495 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
5497 bnx2x_init_block(bp, PXPCS_BLOCK, init_stage);
5498 bnx2x_init_block(bp, EMAC0_BLOCK, init_stage);
5499 bnx2x_init_block(bp, EMAC1_BLOCK, init_stage);
5500 bnx2x_init_block(bp, DBU_BLOCK, init_stage);
5501 bnx2x_init_block(bp, DBG_BLOCK, init_stage);
5503 bnx2x_init_block(bp, NIG_BLOCK, init_stage);
5505 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5507 if (!CHIP_IS_E1(bp)) {
5508 /* 0x2 disable mf_ov, 0x1 enable */
5509 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
5510 (IS_MF_SD(bp) ? 0x1 : 0x2));
5512 if (CHIP_IS_E2(bp)) {
5514 switch (bp->mf_mode) {
5515 case MULTI_FUNCTION_SD:
5518 case MULTI_FUNCTION_SI:
5523 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
5524 NIG_REG_LLH0_CLS_TYPE), val);
5527 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
5528 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
5529 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
5533 bnx2x_init_block(bp, MCP_BLOCK, init_stage);
5534 bnx2x_init_block(bp, DMAE_BLOCK, init_stage);
5535 if (bnx2x_fan_failure_det_req(bp, bp->common.shmem_base,
5536 bp->common.shmem2_base, port)) {
5537 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5538 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5539 val = REG_RD(bp, reg_addr);
5540 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
5541 REG_WR(bp, reg_addr, val);
5543 bnx2x__link_reset(bp);
5548 static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5553 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
5555 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5557 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5560 static inline void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
5562 bnx2x_igu_clear_sb_gen(bp, idu_sb_id, true /*PF*/);
5565 static inline void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
5567 u32 i, base = FUNC_ILT_BASE(func);
5568 for (i = base; i < base + ILT_PER_FUNC; i++)
5569 bnx2x_ilt_wr(bp, i, 0);
5572 static int bnx2x_init_hw_func(struct bnx2x *bp)
5574 int port = BP_PORT(bp);
5575 int func = BP_FUNC(bp);
5576 struct bnx2x_ilt *ilt = BP_ILT(bp);
5579 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
5580 int i, main_mem_width;
5582 DP(BNX2X_MSG_MCP, "starting func init func %d\n", func);
5584 /* set MSI reconfigure capability */
5585 if (bp->common.int_block == INT_BLOCK_HC) {
5586 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
5587 val = REG_RD(bp, addr);
5588 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
5589 REG_WR(bp, addr, val);
5593 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
5595 for (i = 0; i < L2_ILT_LINES(bp); i++) {
5596 ilt->lines[cdu_ilt_start + i].page =
5597 bp->context.vcxt + (ILT_PAGE_CIDS * i);
5598 ilt->lines[cdu_ilt_start + i].page_mapping =
5599 bp->context.cxt_mapping + (CDU_ILT_PAGE_SZ * i);
5600 /* cdu ilt pages are allocated manually so there's no need to
5603 bnx2x_ilt_init_op(bp, INITOP_SET);
5606 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
5608 /* T1 hash bits value determines the T1 number of entries */
5609 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
5614 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5615 #endif /* BCM_CNIC */
5617 if (CHIP_IS_E2(bp)) {
5618 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
5620 /* Turn on a single ISR mode in IGU if driver is going to use
5623 if (!(bp->flags & USING_MSIX_FLAG))
5624 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
5626 * Timers workaround bug: function init part.
5627 * Need to wait 20msec after initializing ILT,
5628 * needed to make sure there are no requests in
5629 * one of the PXP internal queues with "old" ILT addresses
5633 * Master enable - Due to WB DMAE writes performed before this
5634 * register is re-initialized as part of the regular function
5637 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5638 /* Enable the function in IGU */
5639 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
5644 bnx2x_init_block(bp, PGLUE_B_BLOCK, FUNC0_STAGE + func);
5647 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
5649 bnx2x_init_block(bp, MISC_BLOCK, FUNC0_STAGE + func);
5650 bnx2x_init_block(bp, TCM_BLOCK, FUNC0_STAGE + func);
5651 bnx2x_init_block(bp, UCM_BLOCK, FUNC0_STAGE + func);
5652 bnx2x_init_block(bp, CCM_BLOCK, FUNC0_STAGE + func);
5653 bnx2x_init_block(bp, XCM_BLOCK, FUNC0_STAGE + func);
5654 bnx2x_init_block(bp, TSEM_BLOCK, FUNC0_STAGE + func);
5655 bnx2x_init_block(bp, USEM_BLOCK, FUNC0_STAGE + func);
5656 bnx2x_init_block(bp, CSEM_BLOCK, FUNC0_STAGE + func);
5657 bnx2x_init_block(bp, XSEM_BLOCK, FUNC0_STAGE + func);
5659 if (CHIP_IS_E2(bp)) {
5660 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_PATH_ID_OFFSET,
5662 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_PATH_ID_OFFSET,
5666 if (CHIP_MODE_IS_4_PORT(bp))
5667 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, FUNC0_STAGE + func);
5670 REG_WR(bp, QM_REG_PF_EN, 1);
5672 bnx2x_init_block(bp, QM_BLOCK, FUNC0_STAGE + func);
5674 if (CHIP_MODE_IS_4_PORT(bp))
5675 bnx2x_init_block(bp, QM_4PORT_BLOCK, FUNC0_STAGE + func);
5677 bnx2x_init_block(bp, TIMERS_BLOCK, FUNC0_STAGE + func);
5678 bnx2x_init_block(bp, DQ_BLOCK, FUNC0_STAGE + func);
5679 bnx2x_init_block(bp, BRB1_BLOCK, FUNC0_STAGE + func);
5680 bnx2x_init_block(bp, PRS_BLOCK, FUNC0_STAGE + func);
5681 bnx2x_init_block(bp, TSDM_BLOCK, FUNC0_STAGE + func);
5682 bnx2x_init_block(bp, CSDM_BLOCK, FUNC0_STAGE + func);
5683 bnx2x_init_block(bp, USDM_BLOCK, FUNC0_STAGE + func);
5684 bnx2x_init_block(bp, XSDM_BLOCK, FUNC0_STAGE + func);
5685 bnx2x_init_block(bp, UPB_BLOCK, FUNC0_STAGE + func);
5686 bnx2x_init_block(bp, XPB_BLOCK, FUNC0_STAGE + func);
5687 bnx2x_init_block(bp, PBF_BLOCK, FUNC0_STAGE + func);
5689 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
5691 bnx2x_init_block(bp, CDU_BLOCK, FUNC0_STAGE + func);
5693 bnx2x_init_block(bp, CFC_BLOCK, FUNC0_STAGE + func);
5696 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
5699 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
5700 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
5703 bnx2x_init_block(bp, MISC_AEU_BLOCK, FUNC0_STAGE + func);
5705 /* HC init per function */
5706 if (bp->common.int_block == INT_BLOCK_HC) {
5707 if (CHIP_IS_E1H(bp)) {
5708 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5710 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5711 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5713 bnx2x_init_block(bp, HC_BLOCK, FUNC0_STAGE + func);
5716 int num_segs, sb_idx, prod_offset;
5718 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5720 if (CHIP_IS_E2(bp)) {
5721 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
5722 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
5725 bnx2x_init_block(bp, IGU_BLOCK, FUNC0_STAGE + func);
5727 if (CHIP_IS_E2(bp)) {
5731 * E2 mode: address 0-135 match to the mapping memory;
5732 * 136 - PF0 default prod; 137 - PF1 default prod;
5733 * 138 - PF2 default prod; 139 - PF3 default prod;
5734 * 140 - PF0 attn prod; 141 - PF1 attn prod;
5735 * 142 - PF2 attn prod; 143 - PF3 attn prod;
5738 * E1.5 mode - In backward compatible mode;
5739 * for non default SB; each even line in the memory
5740 * holds the U producer and each odd line hold
5741 * the C producer. The first 128 producers are for
5742 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
5743 * producers are for the DSB for each PF.
5744 * Each PF has five segments: (the order inside each
5745 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
5746 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
5747 * 144-147 attn prods;
5749 /* non-default-status-blocks */
5750 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5751 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
5752 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
5753 prod_offset = (bp->igu_base_sb + sb_idx) *
5756 for (i = 0; i < num_segs; i++) {
5757 addr = IGU_REG_PROD_CONS_MEMORY +
5758 (prod_offset + i) * 4;
5759 REG_WR(bp, addr, 0);
5761 /* send consumer update with value 0 */
5762 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
5763 USTORM_ID, 0, IGU_INT_NOP, 1);
5764 bnx2x_igu_clear_sb(bp,
5765 bp->igu_base_sb + sb_idx);
5768 /* default-status-blocks */
5769 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5770 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
5772 if (CHIP_MODE_IS_4_PORT(bp))
5773 dsb_idx = BP_FUNC(bp);
5775 dsb_idx = BP_E1HVN(bp);
5777 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
5778 IGU_BC_BASE_DSB_PROD + dsb_idx :
5779 IGU_NORM_BASE_DSB_PROD + dsb_idx);
5781 for (i = 0; i < (num_segs * E1HVN_MAX);
5783 addr = IGU_REG_PROD_CONS_MEMORY +
5784 (prod_offset + i)*4;
5785 REG_WR(bp, addr, 0);
5787 /* send consumer update with 0 */
5788 if (CHIP_INT_MODE_IS_BC(bp)) {
5789 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5790 USTORM_ID, 0, IGU_INT_NOP, 1);
5791 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5792 CSTORM_ID, 0, IGU_INT_NOP, 1);
5793 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5794 XSTORM_ID, 0, IGU_INT_NOP, 1);
5795 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5796 TSTORM_ID, 0, IGU_INT_NOP, 1);
5797 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5798 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5800 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5801 USTORM_ID, 0, IGU_INT_NOP, 1);
5802 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5803 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5805 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
5807 /* !!! these should become driver const once
5808 rf-tool supports split-68 const */
5809 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
5810 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
5811 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
5812 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
5813 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
5814 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
5818 /* Reset PCIE errors for debug */
5819 REG_WR(bp, 0x2114, 0xffffffff);
5820 REG_WR(bp, 0x2120, 0xffffffff);
5822 bnx2x_init_block(bp, EMAC0_BLOCK, FUNC0_STAGE + func);
5823 bnx2x_init_block(bp, EMAC1_BLOCK, FUNC0_STAGE + func);
5824 bnx2x_init_block(bp, DBU_BLOCK, FUNC0_STAGE + func);
5825 bnx2x_init_block(bp, DBG_BLOCK, FUNC0_STAGE + func);
5826 bnx2x_init_block(bp, MCP_BLOCK, FUNC0_STAGE + func);
5827 bnx2x_init_block(bp, DMAE_BLOCK, FUNC0_STAGE + func);
5829 if (CHIP_IS_E1x(bp)) {
5830 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
5831 main_mem_base = HC_REG_MAIN_MEMORY +
5832 BP_PORT(bp) * (main_mem_size * 4);
5833 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
5836 val = REG_RD(bp, main_mem_prty_clr);
5838 DP(BNX2X_MSG_MCP, "Hmmm... Parity errors in HC "
5840 "function init (0x%x)!\n", val);
5842 /* Clear "false" parity errors in MSI-X table */
5843 for (i = main_mem_base;
5844 i < main_mem_base + main_mem_size * 4;
5845 i += main_mem_width) {
5846 bnx2x_read_dmae(bp, i, main_mem_width / 4);
5847 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
5848 i, main_mem_width / 4);
5850 /* Clear HC parity attention */
5851 REG_RD(bp, main_mem_prty_clr);
5854 bnx2x_phy_probe(&bp->link_params);
5859 int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5863 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
5864 BP_ABS_FUNC(bp), load_code);
5867 spin_lock_init(&bp->dmae_lock);
5868 rc = bnx2x_gunzip_init(bp);
5872 switch (load_code) {
5873 case FW_MSG_CODE_DRV_LOAD_COMMON:
5874 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
5875 rc = bnx2x_init_hw_common(bp, load_code);
5880 case FW_MSG_CODE_DRV_LOAD_PORT:
5881 rc = bnx2x_init_hw_port(bp);
5886 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5887 rc = bnx2x_init_hw_func(bp);
5893 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5897 if (!BP_NOMCP(bp)) {
5898 int mb_idx = BP_FW_MB_IDX(bp);
5900 bp->fw_drv_pulse_wr_seq =
5901 (SHMEM_RD(bp, func_mb[mb_idx].drv_pulse_mb) &
5902 DRV_PULSE_SEQ_MASK);
5903 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x\n", bp->fw_drv_pulse_wr_seq);
5907 bnx2x_gunzip_end(bp);
5912 void bnx2x_free_mem(struct bnx2x *bp)
5915 #define BNX2X_PCI_FREE(x, y, size) \
5918 dma_free_coherent(&bp->pdev->dev, size, (void *)x, y); \
5924 #define BNX2X_FREE(x) \
5936 for_each_queue(bp, i) {
5938 /* FCoE client uses default status block */
5939 if (IS_FCOE_IDX(i)) {
5940 union host_hc_status_block *sb =
5941 &bnx2x_fp(bp, i, status_blk);
5942 memset(sb, 0, sizeof(union host_hc_status_block));
5943 bnx2x_fp(bp, i, status_blk_mapping) = 0;
5948 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk.e2_sb),
5949 bnx2x_fp(bp, i, status_blk_mapping),
5950 sizeof(struct host_hc_status_block_e2));
5952 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk.e1x_sb),
5953 bnx2x_fp(bp, i, status_blk_mapping),
5954 sizeof(struct host_hc_status_block_e1x));
5960 for_each_rx_queue(bp, i) {
5962 /* fastpath rx rings: rx_buf rx_desc rx_comp */
5963 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5964 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5965 bnx2x_fp(bp, i, rx_desc_mapping),
5966 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5968 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5969 bnx2x_fp(bp, i, rx_comp_mapping),
5970 sizeof(struct eth_fast_path_rx_cqe) *
5974 BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
5975 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5976 bnx2x_fp(bp, i, rx_sge_mapping),
5977 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5980 for_each_tx_queue(bp, i) {
5982 /* fastpath tx rings: tx_buf tx_desc */
5983 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
5984 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
5985 bnx2x_fp(bp, i, tx_desc_mapping),
5986 sizeof(union eth_tx_bd_types) * NUM_TX_BD);
5988 /* end of fastpath */
5990 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
5991 sizeof(struct host_sp_status_block));
5993 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
5994 sizeof(struct bnx2x_slowpath));
5996 BNX2X_PCI_FREE(bp->context.vcxt, bp->context.cxt_mapping,
5999 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
6001 BNX2X_FREE(bp->ilt->lines);
6005 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
6006 sizeof(struct host_hc_status_block_e2));
6008 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
6009 sizeof(struct host_hc_status_block_e1x));
6011 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
6014 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
6016 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
6017 BCM_PAGE_SIZE * NUM_EQ_PAGES);
6019 #undef BNX2X_PCI_FREE
6023 static inline void set_sb_shortcuts(struct bnx2x *bp, int index)
6025 union host_hc_status_block status_blk = bnx2x_fp(bp, index, status_blk);
6026 if (CHIP_IS_E2(bp)) {
6027 bnx2x_fp(bp, index, sb_index_values) =
6028 (__le16 *)status_blk.e2_sb->sb.index_values;
6029 bnx2x_fp(bp, index, sb_running_index) =
6030 (__le16 *)status_blk.e2_sb->sb.running_index;
6032 bnx2x_fp(bp, index, sb_index_values) =
6033 (__le16 *)status_blk.e1x_sb->sb.index_values;
6034 bnx2x_fp(bp, index, sb_running_index) =
6035 (__le16 *)status_blk.e1x_sb->sb.running_index;
6039 int bnx2x_alloc_mem(struct bnx2x *bp)
6041 #define BNX2X_PCI_ALLOC(x, y, size) \
6043 x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
6045 goto alloc_mem_err; \
6046 memset(x, 0, size); \
6049 #define BNX2X_ALLOC(x, size) \
6051 x = kzalloc(size, GFP_KERNEL); \
6053 goto alloc_mem_err; \
6060 for_each_queue(bp, i) {
6061 union host_hc_status_block *sb = &bnx2x_fp(bp, i, status_blk);
6062 bnx2x_fp(bp, i, bp) = bp;
6065 if (!IS_FCOE_IDX(i)) {
6068 BNX2X_PCI_ALLOC(sb->e2_sb,
6069 &bnx2x_fp(bp, i, status_blk_mapping),
6070 sizeof(struct host_hc_status_block_e2));
6072 BNX2X_PCI_ALLOC(sb->e1x_sb,
6073 &bnx2x_fp(bp, i, status_blk_mapping),
6074 sizeof(struct host_hc_status_block_e1x));
6078 set_sb_shortcuts(bp, i);
6081 for_each_queue(bp, i) {
6083 /* fastpath rx rings: rx_buf rx_desc rx_comp */
6084 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
6085 sizeof(struct sw_rx_bd) * NUM_RX_BD);
6086 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
6087 &bnx2x_fp(bp, i, rx_desc_mapping),
6088 sizeof(struct eth_rx_bd) * NUM_RX_BD);
6090 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
6091 &bnx2x_fp(bp, i, rx_comp_mapping),
6092 sizeof(struct eth_fast_path_rx_cqe) *
6096 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
6097 sizeof(struct sw_rx_page) * NUM_RX_SGE);
6098 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
6099 &bnx2x_fp(bp, i, rx_sge_mapping),
6100 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
6103 for_each_queue(bp, i) {
6105 /* fastpath tx rings: tx_buf tx_desc */
6106 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
6107 sizeof(struct sw_tx_bd) * NUM_TX_BD);
6108 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
6109 &bnx2x_fp(bp, i, tx_desc_mapping),
6110 sizeof(union eth_tx_bd_types) * NUM_TX_BD);
6112 /* end of fastpath */
6116 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
6117 sizeof(struct host_hc_status_block_e2));
6119 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
6120 sizeof(struct host_hc_status_block_e1x));
6122 /* allocate searcher T2 table */
6123 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
6127 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
6128 sizeof(struct host_sp_status_block));
6130 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
6131 sizeof(struct bnx2x_slowpath));
6133 bp->context.size = sizeof(union cdu_context) * bp->l2_cid_count;
6135 BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
6138 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
6140 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
6143 /* Slow path ring */
6144 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
6147 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
6148 BCM_PAGE_SIZE * NUM_EQ_PAGES);
6155 #undef BNX2X_PCI_ALLOC
6160 * Init service functions
6162 static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6163 int *state_p, int flags);
6165 int bnx2x_func_start(struct bnx2x *bp)
6167 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0, 0, 0, 1);
6169 /* Wait for completion */
6170 return bnx2x_wait_ramrod(bp, BNX2X_STATE_FUNC_STARTED, 0, &(bp->state),
6171 WAIT_RAMROD_COMMON);
6174 static int bnx2x_func_stop(struct bnx2x *bp)
6176 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0, 0, 1);
6178 /* Wait for completion */
6179 return bnx2x_wait_ramrod(bp, BNX2X_STATE_CLOSING_WAIT4_UNLOAD,
6180 0, &(bp->state), WAIT_RAMROD_COMMON);
6184 * Sets a MAC in a CAM for a few L2 Clients for E1x chips
6186 * @param bp driver descriptor
6187 * @param set set or clear an entry (1 or 0)
6188 * @param mac pointer to a buffer containing a MAC
6189 * @param cl_bit_vec bit vector of clients to register a MAC for
6190 * @param cam_offset offset in a CAM to use
6191 * @param is_bcast is the set MAC a broadcast address (for E1 only)
6193 static void bnx2x_set_mac_addr_gen(struct bnx2x *bp, int set, const u8 *mac,
6194 u32 cl_bit_vec, u8 cam_offset,
6197 struct mac_configuration_cmd *config =
6198 (struct mac_configuration_cmd *)bnx2x_sp(bp, mac_config);
6199 int ramrod_flags = WAIT_RAMROD_COMMON;
6201 bp->set_mac_pending = 1;
6203 config->hdr.length = 1;
6204 config->hdr.offset = cam_offset;
6205 config->hdr.client_id = 0xff;
6206 /* Mark the single MAC configuration ramrod as opposed to a
6207 * UC/MC list configuration).
6209 config->hdr.echo = 1;
6212 config->config_table[0].msb_mac_addr =
6213 swab16(*(u16 *)&mac[0]);
6214 config->config_table[0].middle_mac_addr =
6215 swab16(*(u16 *)&mac[2]);
6216 config->config_table[0].lsb_mac_addr =
6217 swab16(*(u16 *)&mac[4]);
6218 config->config_table[0].clients_bit_vector =
6219 cpu_to_le32(cl_bit_vec);
6220 config->config_table[0].vlan_id = 0;
6221 config->config_table[0].pf_id = BP_FUNC(bp);
6223 SET_FLAG(config->config_table[0].flags,
6224 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6225 T_ETH_MAC_COMMAND_SET);
6227 SET_FLAG(config->config_table[0].flags,
6228 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6229 T_ETH_MAC_COMMAND_INVALIDATE);
6232 SET_FLAG(config->config_table[0].flags,
6233 MAC_CONFIGURATION_ENTRY_BROADCAST, 1);
6235 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) PF_ID %d CLID mask %d\n",
6236 (set ? "setting" : "clearing"),
6237 config->config_table[0].msb_mac_addr,
6238 config->config_table[0].middle_mac_addr,
6239 config->config_table[0].lsb_mac_addr, BP_FUNC(bp), cl_bit_vec);
6243 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6244 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6245 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 1);
6247 /* Wait for a completion */
6248 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, ramrod_flags);
6251 static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6252 int *state_p, int flags)
6254 /* can take a while if any port is running */
6256 u8 poll = flags & WAIT_RAMROD_POLL;
6257 u8 common = flags & WAIT_RAMROD_COMMON;
6259 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6260 poll ? "polling" : "waiting", state, idx);
6268 bnx2x_rx_int(bp->fp, 10);
6269 /* if index is different from 0
6270 * the reply for some commands will
6271 * be on the non default queue
6274 bnx2x_rx_int(&bp->fp[idx], 10);
6278 mb(); /* state is changed by bnx2x_sp_event() */
6279 if (*state_p == state) {
6280 #ifdef BNX2X_STOP_ON_ERROR
6281 DP(NETIF_MSG_IFUP, "exit (cnt %d)\n", 5000 - cnt);
6293 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6294 poll ? "polling" : "waiting", state, idx);
6295 #ifdef BNX2X_STOP_ON_ERROR
6302 static u8 bnx2x_e1h_cam_offset(struct bnx2x *bp, u8 rel_offset)
6304 if (CHIP_IS_E1H(bp))
6305 return E1H_FUNC_MAX * rel_offset + BP_FUNC(bp);
6306 else if (CHIP_MODE_IS_4_PORT(bp))
6307 return E2_FUNC_MAX * rel_offset + BP_FUNC(bp);
6309 return E2_FUNC_MAX * rel_offset + BP_VN(bp);
6313 * LLH CAM line allocations: currently only iSCSI and ETH macs are
6314 * relevant. In addition, current implementation is tuned for a
6318 LLH_CAM_ISCSI_ETH_LINE = 0,
6320 LLH_CAM_MAX_PF_LINE = NIG_REG_LLH1_FUNC_MEM_SIZE
6323 static void bnx2x_set_mac_in_nig(struct bnx2x *bp,
6325 unsigned char *dev_addr,
6329 u32 mem_offset, ena_offset, mem_index;
6332 * 0..7 - goes to MEM
6333 * 8..15 - goes to MEM2
6336 if (!IS_MF_SI(bp) || index > LLH_CAM_MAX_PF_LINE)
6339 /* calculate memory start offset according to the mapping
6340 * and index in the memory */
6341 if (index < NIG_LLH_FUNC_MEM_MAX_OFFSET) {
6342 mem_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM :
6343 NIG_REG_LLH0_FUNC_MEM;
6344 ena_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM_ENABLE :
6345 NIG_REG_LLH0_FUNC_MEM_ENABLE;
6348 mem_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2 :
6349 NIG_REG_P0_LLH_FUNC_MEM2;
6350 ena_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2_ENABLE :
6351 NIG_REG_P0_LLH_FUNC_MEM2_ENABLE;
6352 mem_index = index - NIG_LLH_FUNC_MEM_MAX_OFFSET;
6356 /* LLH_FUNC_MEM is a u64 WB register */
6357 mem_offset += 8*mem_index;
6359 wb_data[0] = ((dev_addr[2] << 24) | (dev_addr[3] << 16) |
6360 (dev_addr[4] << 8) | dev_addr[5]);
6361 wb_data[1] = ((dev_addr[0] << 8) | dev_addr[1]);
6363 REG_WR_DMAE(bp, mem_offset, wb_data, 2);
6366 /* enable/disable the entry */
6367 REG_WR(bp, ena_offset + 4*mem_index, set);
6371 void bnx2x_set_eth_mac(struct bnx2x *bp, int set)
6373 u8 cam_offset = (CHIP_IS_E1(bp) ? (BP_PORT(bp) ? 32 : 0) :
6374 bnx2x_e1h_cam_offset(bp, CAM_ETH_LINE));
6376 /* networking MAC */
6377 bnx2x_set_mac_addr_gen(bp, set, bp->dev->dev_addr,
6378 (1 << bp->fp->cl_id), cam_offset , 0);
6380 bnx2x_set_mac_in_nig(bp, set, bp->dev->dev_addr, LLH_CAM_ETH_LINE);
6382 if (CHIP_IS_E1(bp)) {
6384 static const u8 bcast[ETH_ALEN] = {
6385 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6387 bnx2x_set_mac_addr_gen(bp, set, bcast, 0, cam_offset + 1, 1);
6391 static inline u8 bnx2x_e1_cam_mc_offset(struct bnx2x *bp)
6393 return CHIP_REV_IS_SLOW(bp) ?
6394 (BNX2X_MAX_EMUL_MULTI * (1 + BP_PORT(bp))) :
6395 (BNX2X_MAX_MULTICAST * (1 + BP_PORT(bp)));
6398 /* set mc list, do not wait as wait implies sleep and
6399 * set_rx_mode can be invoked from non-sleepable context.
6401 * Instead we use the same ramrod data buffer each time we need
6402 * to configure a list of addresses, and use the fact that the
6403 * list of MACs is changed in an incremental way and that the
6404 * function is called under the netif_addr_lock. A temporary
6405 * inconsistent CAM configuration (possible in case of a very fast
6406 * sequence of add/del/add on the host side) will shortly be
6407 * restored by the handler of the last ramrod.
6409 static int bnx2x_set_e1_mc_list(struct bnx2x *bp)
6412 struct net_device *dev = bp->dev;
6413 u8 offset = bnx2x_e1_cam_mc_offset(bp);
6414 struct netdev_hw_addr *ha;
6415 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6416 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6418 if (netdev_mc_count(dev) > BNX2X_MAX_MULTICAST)
6421 netdev_for_each_mc_addr(ha, dev) {
6423 config_cmd->config_table[i].msb_mac_addr =
6424 swab16(*(u16 *)&bnx2x_mc_addr(ha)[0]);
6425 config_cmd->config_table[i].middle_mac_addr =
6426 swab16(*(u16 *)&bnx2x_mc_addr(ha)[2]);
6427 config_cmd->config_table[i].lsb_mac_addr =
6428 swab16(*(u16 *)&bnx2x_mc_addr(ha)[4]);
6430 config_cmd->config_table[i].vlan_id = 0;
6431 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
6432 config_cmd->config_table[i].clients_bit_vector =
6433 cpu_to_le32(1 << BP_L_ID(bp));
6435 SET_FLAG(config_cmd->config_table[i].flags,
6436 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6437 T_ETH_MAC_COMMAND_SET);
6440 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
6441 config_cmd->config_table[i].msb_mac_addr,
6442 config_cmd->config_table[i].middle_mac_addr,
6443 config_cmd->config_table[i].lsb_mac_addr);
6446 old = config_cmd->hdr.length;
6448 for (; i < old; i++) {
6449 if (CAM_IS_INVALID(config_cmd->
6451 /* already invalidated */
6455 SET_FLAG(config_cmd->config_table[i].flags,
6456 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6457 T_ETH_MAC_COMMAND_INVALIDATE);
6463 config_cmd->hdr.length = i;
6464 config_cmd->hdr.offset = offset;
6465 config_cmd->hdr.client_id = 0xff;
6466 /* Mark that this ramrod doesn't use bp->set_mac_pending for
6469 config_cmd->hdr.echo = 0;
6473 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6474 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
6477 void bnx2x_invalidate_e1_mc_list(struct bnx2x *bp)
6480 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6481 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6482 int ramrod_flags = WAIT_RAMROD_COMMON;
6483 u8 offset = bnx2x_e1_cam_mc_offset(bp);
6485 for (i = 0; i < BNX2X_MAX_MULTICAST; i++)
6486 SET_FLAG(config_cmd->config_table[i].flags,
6487 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6488 T_ETH_MAC_COMMAND_INVALIDATE);
6492 config_cmd->hdr.length = BNX2X_MAX_MULTICAST;
6493 config_cmd->hdr.offset = offset;
6494 config_cmd->hdr.client_id = 0xff;
6495 /* We'll wait for a completion this time... */
6496 config_cmd->hdr.echo = 1;
6498 bp->set_mac_pending = 1;
6502 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6503 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
6505 /* Wait for a completion */
6506 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
6511 /* Accept one or more multicasts */
6512 static int bnx2x_set_e1h_mc_list(struct bnx2x *bp)
6514 struct net_device *dev = bp->dev;
6515 struct netdev_hw_addr *ha;
6516 u32 mc_filter[MC_HASH_SIZE];
6517 u32 crc, bit, regidx;
6520 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
6522 netdev_for_each_mc_addr(ha, dev) {
6523 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
6526 crc = crc32c_le(0, bnx2x_mc_addr(ha),
6528 bit = (crc >> 24) & 0xff;
6531 mc_filter[regidx] |= (1 << bit);
6534 for (i = 0; i < MC_HASH_SIZE; i++)
6535 REG_WR(bp, MC_HASH_OFFSET(bp, i),
6541 void bnx2x_invalidate_e1h_mc_list(struct bnx2x *bp)
6545 for (i = 0; i < MC_HASH_SIZE; i++)
6546 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
6551 * Set iSCSI MAC(s) at the next enties in the CAM after the ETH
6552 * MAC(s). This function will wait until the ramdord completion
6555 * @param bp driver handle
6556 * @param set set or clear the CAM entry
6558 * @return 0 if cussess, -ENODEV if ramrod doesn't return.
6560 static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp, int set)
6562 u8 cam_offset = (CHIP_IS_E1(bp) ? ((BP_PORT(bp) ? 32 : 0) + 2) :
6563 bnx2x_e1h_cam_offset(bp, CAM_ISCSI_ETH_LINE));
6564 u32 iscsi_l2_cl_id = BNX2X_ISCSI_ETH_CL_ID +
6565 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
6566 u32 cl_bit_vec = (1 << iscsi_l2_cl_id);
6567 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
6569 /* Send a SET_MAC ramrod */
6570 bnx2x_set_mac_addr_gen(bp, set, iscsi_mac, cl_bit_vec,
6573 bnx2x_set_mac_in_nig(bp, set, iscsi_mac, LLH_CAM_ISCSI_ETH_LINE);
6579 * Set FCoE L2 MAC(s) at the next enties in the CAM after the
6580 * ETH MAC(s). This function will wait until the ramdord
6581 * completion returns.
6583 * @param bp driver handle
6584 * @param set set or clear the CAM entry
6586 * @return 0 if cussess, -ENODEV if ramrod doesn't return.
6588 int bnx2x_set_fip_eth_mac_addr(struct bnx2x *bp, int set)
6590 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6592 * CAM allocation for E1H
6593 * eth unicasts: by func number
6594 * iscsi: by func number
6595 * fip unicast: by func number
6596 * fip multicast: by func number
6598 bnx2x_set_mac_addr_gen(bp, set, bp->fip_mac,
6599 cl_bit_vec, bnx2x_e1h_cam_offset(bp, CAM_FIP_ETH_LINE), 0);
6604 int bnx2x_set_all_enode_macs(struct bnx2x *bp, int set)
6606 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6609 * CAM allocation for E1H
6610 * eth unicasts: by func number
6611 * iscsi: by func number
6612 * fip unicast: by func number
6613 * fip multicast: by func number
6615 bnx2x_set_mac_addr_gen(bp, set, ALL_ENODE_MACS, cl_bit_vec,
6616 bnx2x_e1h_cam_offset(bp, CAM_FIP_MCAST_LINE), 0);
6622 static void bnx2x_fill_cl_init_data(struct bnx2x *bp,
6623 struct bnx2x_client_init_params *params,
6625 struct client_init_ramrod_data *data)
6627 /* Clear the buffer */
6628 memset(data, 0, sizeof(*data));
6631 data->general.client_id = params->rxq_params.cl_id;
6632 data->general.statistics_counter_id = params->rxq_params.stat_id;
6633 data->general.statistics_en_flg =
6634 (params->rxq_params.flags & QUEUE_FLG_STATS) ? 1 : 0;
6635 data->general.is_fcoe_flg =
6636 (params->ramrod_params.flags & CLIENT_IS_FCOE) ? 1 : 0;
6637 data->general.activate_flg = activate;
6638 data->general.sp_client_id = params->rxq_params.spcl_id;
6641 data->rx.tpa_en_flg =
6642 (params->rxq_params.flags & QUEUE_FLG_TPA) ? 1 : 0;
6643 data->rx.vmqueue_mode_en_flg = 0;
6644 data->rx.cache_line_alignment_log_size =
6645 params->rxq_params.cache_line_log;
6646 data->rx.enable_dynamic_hc =
6647 (params->rxq_params.flags & QUEUE_FLG_DHC) ? 1 : 0;
6648 data->rx.max_sges_for_packet = params->rxq_params.max_sges_pkt;
6649 data->rx.client_qzone_id = params->rxq_params.cl_qzone_id;
6650 data->rx.max_agg_size = params->rxq_params.tpa_agg_sz;
6652 /* We don't set drop flags */
6653 data->rx.drop_ip_cs_err_flg = 0;
6654 data->rx.drop_tcp_cs_err_flg = 0;
6655 data->rx.drop_ttl0_flg = 0;
6656 data->rx.drop_udp_cs_err_flg = 0;
6658 data->rx.inner_vlan_removal_enable_flg =
6659 (params->rxq_params.flags & QUEUE_FLG_VLAN) ? 1 : 0;
6660 data->rx.outer_vlan_removal_enable_flg =
6661 (params->rxq_params.flags & QUEUE_FLG_OV) ? 1 : 0;
6662 data->rx.status_block_id = params->rxq_params.fw_sb_id;
6663 data->rx.rx_sb_index_number = params->rxq_params.sb_cq_index;
6664 data->rx.bd_buff_size = cpu_to_le16(params->rxq_params.buf_sz);
6665 data->rx.sge_buff_size = cpu_to_le16(params->rxq_params.sge_buf_sz);
6666 data->rx.mtu = cpu_to_le16(params->rxq_params.mtu);
6667 data->rx.bd_page_base.lo =
6668 cpu_to_le32(U64_LO(params->rxq_params.dscr_map));
6669 data->rx.bd_page_base.hi =
6670 cpu_to_le32(U64_HI(params->rxq_params.dscr_map));
6671 data->rx.sge_page_base.lo =
6672 cpu_to_le32(U64_LO(params->rxq_params.sge_map));
6673 data->rx.sge_page_base.hi =
6674 cpu_to_le32(U64_HI(params->rxq_params.sge_map));
6675 data->rx.cqe_page_base.lo =
6676 cpu_to_le32(U64_LO(params->rxq_params.rcq_map));
6677 data->rx.cqe_page_base.hi =
6678 cpu_to_le32(U64_HI(params->rxq_params.rcq_map));
6679 data->rx.is_leading_rss =
6680 (params->ramrod_params.flags & CLIENT_IS_LEADING_RSS) ? 1 : 0;
6681 data->rx.is_approx_mcast = data->rx.is_leading_rss;
6684 data->tx.enforce_security_flg = 0; /* VF specific */
6685 data->tx.tx_status_block_id = params->txq_params.fw_sb_id;
6686 data->tx.tx_sb_index_number = params->txq_params.sb_cq_index;
6687 data->tx.mtu = 0; /* VF specific */
6688 data->tx.tx_bd_page_base.lo =
6689 cpu_to_le32(U64_LO(params->txq_params.dscr_map));
6690 data->tx.tx_bd_page_base.hi =
6691 cpu_to_le32(U64_HI(params->txq_params.dscr_map));
6693 /* flow control data */
6694 data->fc.cqe_pause_thr_low = cpu_to_le16(params->pause.rcq_th_lo);
6695 data->fc.cqe_pause_thr_high = cpu_to_le16(params->pause.rcq_th_hi);
6696 data->fc.bd_pause_thr_low = cpu_to_le16(params->pause.bd_th_lo);
6697 data->fc.bd_pause_thr_high = cpu_to_le16(params->pause.bd_th_hi);
6698 data->fc.sge_pause_thr_low = cpu_to_le16(params->pause.sge_th_lo);
6699 data->fc.sge_pause_thr_high = cpu_to_le16(params->pause.sge_th_hi);
6700 data->fc.rx_cos_mask = cpu_to_le16(params->pause.pri_map);
6702 data->fc.safc_group_num = params->txq_params.cos;
6703 data->fc.safc_group_en_flg =
6704 (params->txq_params.flags & QUEUE_FLG_COS) ? 1 : 0;
6705 data->fc.traffic_type =
6706 (params->ramrod_params.flags & CLIENT_IS_FCOE) ?
6707 LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
6710 static inline void bnx2x_set_ctx_validation(struct eth_context *cxt, u32 cid)
6712 /* ustorm cxt validation */
6713 cxt->ustorm_ag_context.cdu_usage =
6714 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_UCM_AG,
6715 ETH_CONNECTION_TYPE);
6716 /* xcontext validation */
6717 cxt->xstorm_ag_context.cdu_reserved =
6718 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_XCM_AG,
6719 ETH_CONNECTION_TYPE);
6722 static int bnx2x_setup_fw_client(struct bnx2x *bp,
6723 struct bnx2x_client_init_params *params,
6725 struct client_init_ramrod_data *data,
6726 dma_addr_t data_mapping)
6729 int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
6730 int ramrod_flags = 0, rc;
6732 /* HC and context validation values */
6733 hc_usec = params->txq_params.hc_rate ?
6734 1000000 / params->txq_params.hc_rate : 0;
6735 bnx2x_update_coalesce_sb_index(bp,
6736 params->txq_params.fw_sb_id,
6737 params->txq_params.sb_cq_index,
6738 !(params->txq_params.flags & QUEUE_FLG_HC),
6741 *(params->ramrod_params.pstate) = BNX2X_FP_STATE_OPENING;
6743 hc_usec = params->rxq_params.hc_rate ?
6744 1000000 / params->rxq_params.hc_rate : 0;
6745 bnx2x_update_coalesce_sb_index(bp,
6746 params->rxq_params.fw_sb_id,
6747 params->rxq_params.sb_cq_index,
6748 !(params->rxq_params.flags & QUEUE_FLG_HC),
6751 bnx2x_set_ctx_validation(params->rxq_params.cxt,
6752 params->rxq_params.cid);
6755 if (params->txq_params.flags & QUEUE_FLG_STATS)
6756 storm_memset_xstats_zero(bp, BP_PORT(bp),
6757 params->txq_params.stat_id);
6759 if (params->rxq_params.flags & QUEUE_FLG_STATS) {
6760 storm_memset_ustats_zero(bp, BP_PORT(bp),
6761 params->rxq_params.stat_id);
6762 storm_memset_tstats_zero(bp, BP_PORT(bp),
6763 params->rxq_params.stat_id);
6766 /* Fill the ramrod data */
6767 bnx2x_fill_cl_init_data(bp, params, activate, data);
6771 * bnx2x_sp_post() takes a spin_lock thus no other explict memory
6772 * barrier except from mmiowb() is needed to impose a
6773 * proper ordering of memory operations.
6778 bnx2x_sp_post(bp, ramrod, params->ramrod_params.cid,
6779 U64_HI(data_mapping), U64_LO(data_mapping), 0);
6781 /* Wait for completion */
6782 rc = bnx2x_wait_ramrod(bp, params->ramrod_params.state,
6783 params->ramrod_params.index,
6784 params->ramrod_params.pstate,
6790 * Configure interrupt mode according to current configuration.
6791 * In case of MSI-X it will also try to enable MSI-X.
6797 static int __devinit bnx2x_set_int_mode(struct bnx2x *bp)
6801 switch (bp->int_mode) {
6803 bnx2x_enable_msi(bp);
6804 /* falling through... */
6806 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
6807 DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
6810 /* Set number of queues according to bp->multi_mode value */
6811 bnx2x_set_num_queues(bp);
6813 DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
6816 /* if we can't use MSI-X we only need one fp,
6817 * so try to enable MSI-X with the requested number of fp's
6818 * and fallback to MSI or legacy INTx with one fp
6820 rc = bnx2x_enable_msix(bp);
6822 /* failed to enable MSI-X */
6825 "Multi requested but failed to "
6826 "enable MSI-X (%d), "
6827 "set number of queues to %d\n",
6829 1 + NONE_ETH_CONTEXT_USE);
6830 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
6832 if (!(bp->flags & DISABLE_MSI_FLAG))
6833 bnx2x_enable_msi(bp);
6842 /* must be called prioir to any HW initializations */
6843 static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
6845 return L2_ILT_LINES(bp);
6848 void bnx2x_ilt_set_info(struct bnx2x *bp)
6850 struct ilt_client_info *ilt_client;
6851 struct bnx2x_ilt *ilt = BP_ILT(bp);
6854 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
6855 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
6858 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
6859 ilt_client->client_num = ILT_CLIENT_CDU;
6860 ilt_client->page_size = CDU_ILT_PAGE_SZ;
6861 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
6862 ilt_client->start = line;
6863 line += L2_ILT_LINES(bp);
6865 line += CNIC_ILT_LINES;
6867 ilt_client->end = line - 1;
6869 DP(BNX2X_MSG_SP, "ilt client[CDU]: start %d, end %d, psz 0x%x, "
6870 "flags 0x%x, hw psz %d\n",
6873 ilt_client->page_size,
6875 ilog2(ilt_client->page_size >> 12));
6878 if (QM_INIT(bp->qm_cid_count)) {
6879 ilt_client = &ilt->clients[ILT_CLIENT_QM];
6880 ilt_client->client_num = ILT_CLIENT_QM;
6881 ilt_client->page_size = QM_ILT_PAGE_SZ;
6882 ilt_client->flags = 0;
6883 ilt_client->start = line;
6885 /* 4 bytes for each cid */
6886 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
6889 ilt_client->end = line - 1;
6891 DP(BNX2X_MSG_SP, "ilt client[QM]: start %d, end %d, psz 0x%x, "
6892 "flags 0x%x, hw psz %d\n",
6895 ilt_client->page_size,
6897 ilog2(ilt_client->page_size >> 12));
6901 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
6903 ilt_client->client_num = ILT_CLIENT_SRC;
6904 ilt_client->page_size = SRC_ILT_PAGE_SZ;
6905 ilt_client->flags = 0;
6906 ilt_client->start = line;
6907 line += SRC_ILT_LINES;
6908 ilt_client->end = line - 1;
6910 DP(BNX2X_MSG_SP, "ilt client[SRC]: start %d, end %d, psz 0x%x, "
6911 "flags 0x%x, hw psz %d\n",
6914 ilt_client->page_size,
6916 ilog2(ilt_client->page_size >> 12));
6919 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6923 ilt_client = &ilt->clients[ILT_CLIENT_TM];
6925 ilt_client->client_num = ILT_CLIENT_TM;
6926 ilt_client->page_size = TM_ILT_PAGE_SZ;
6927 ilt_client->flags = 0;
6928 ilt_client->start = line;
6929 line += TM_ILT_LINES;
6930 ilt_client->end = line - 1;
6932 DP(BNX2X_MSG_SP, "ilt client[TM]: start %d, end %d, psz 0x%x, "
6933 "flags 0x%x, hw psz %d\n",
6936 ilt_client->page_size,
6938 ilog2(ilt_client->page_size >> 12));
6941 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6945 int bnx2x_setup_client(struct bnx2x *bp, struct bnx2x_fastpath *fp,
6948 struct bnx2x_client_init_params params = { {0} };
6951 /* reset IGU state skip FCoE L2 queue */
6952 if (!IS_FCOE_FP(fp))
6953 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
6956 params.ramrod_params.pstate = &fp->state;
6957 params.ramrod_params.state = BNX2X_FP_STATE_OPEN;
6958 params.ramrod_params.index = fp->index;
6959 params.ramrod_params.cid = fp->cid;
6963 params.ramrod_params.flags |= CLIENT_IS_FCOE;
6968 params.ramrod_params.flags |= CLIENT_IS_LEADING_RSS;
6970 bnx2x_pf_rx_cl_prep(bp, fp, ¶ms.pause, ¶ms.rxq_params);
6972 bnx2x_pf_tx_cl_prep(bp, fp, ¶ms.txq_params);
6974 rc = bnx2x_setup_fw_client(bp, ¶ms, 1,
6975 bnx2x_sp(bp, client_init_data),
6976 bnx2x_sp_mapping(bp, client_init_data));
6980 static int bnx2x_stop_fw_client(struct bnx2x *bp,
6981 struct bnx2x_client_ramrod_params *p)
6985 int poll_flag = p->poll ? WAIT_RAMROD_POLL : 0;
6987 /* halt the connection */
6988 *p->pstate = BNX2X_FP_STATE_HALTING;
6989 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, p->cid, 0,
6992 /* Wait for completion */
6993 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, p->index,
6994 p->pstate, poll_flag);
6995 if (rc) /* timeout */
6998 *p->pstate = BNX2X_FP_STATE_TERMINATING;
6999 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_TERMINATE, p->cid, 0,
7001 /* Wait for completion */
7002 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_TERMINATED, p->index,
7003 p->pstate, poll_flag);
7004 if (rc) /* timeout */
7008 /* delete cfc entry */
7009 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, p->cid, 0, 0, 1);
7011 /* Wait for completion */
7012 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, p->index,
7013 p->pstate, WAIT_RAMROD_COMMON);
7017 static int bnx2x_stop_client(struct bnx2x *bp, int index)
7019 struct bnx2x_client_ramrod_params client_stop = {0};
7020 struct bnx2x_fastpath *fp = &bp->fp[index];
7022 client_stop.index = index;
7023 client_stop.cid = fp->cid;
7024 client_stop.cl_id = fp->cl_id;
7025 client_stop.pstate = &(fp->state);
7026 client_stop.poll = 0;
7028 return bnx2x_stop_fw_client(bp, &client_stop);
7032 static void bnx2x_reset_func(struct bnx2x *bp)
7034 int port = BP_PORT(bp);
7035 int func = BP_FUNC(bp);
7037 int pfunc_offset_fp = offsetof(struct hc_sb_data, p_func) +
7039 offsetof(struct hc_status_block_data_e2, common) :
7040 offsetof(struct hc_status_block_data_e1x, common));
7041 int pfunc_offset_sp = offsetof(struct hc_sp_status_block_data, p_func);
7042 int pfid_offset = offsetof(struct pci_entity, pf_id);
7044 /* Disable the function in the FW */
7045 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
7046 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
7047 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
7048 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
7051 for_each_eth_queue(bp, i) {
7052 struct bnx2x_fastpath *fp = &bp->fp[i];
7054 BAR_CSTRORM_INTMEM +
7055 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id)
7056 + pfunc_offset_fp + pfid_offset,
7057 HC_FUNCTION_DISABLED);
7062 BAR_CSTRORM_INTMEM +
7063 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
7064 pfunc_offset_sp + pfid_offset,
7065 HC_FUNCTION_DISABLED);
7068 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
7069 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
7073 if (bp->common.int_block == INT_BLOCK_HC) {
7074 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
7075 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
7077 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
7078 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
7082 /* Disable Timer scan */
7083 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
7085 * Wait for at least 10ms and up to 2 second for the timers scan to
7088 for (i = 0; i < 200; i++) {
7090 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
7095 bnx2x_clear_func_ilt(bp, func);
7097 /* Timers workaround bug for E2: if this is vnic-3,
7098 * we need to set the entire ilt range for this timers.
7100 if (CHIP_IS_E2(bp) && BP_VN(bp) == 3) {
7101 struct ilt_client_info ilt_cli;
7102 /* use dummy TM client */
7103 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
7105 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
7106 ilt_cli.client_num = ILT_CLIENT_TM;
7108 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
7111 /* this assumes that reset_port() called before reset_func()*/
7113 bnx2x_pf_disable(bp);
7118 static void bnx2x_reset_port(struct bnx2x *bp)
7120 int port = BP_PORT(bp);
7123 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
7125 /* Do not rcv packets to BRB */
7126 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
7127 /* Do not direct rcv packets that are not for MCP to the BRB */
7128 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
7129 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7132 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
7135 /* Check for BRB port occupancy */
7136 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
7138 DP(NETIF_MSG_IFDOWN,
7139 "BRB1 is not empty %d blocks are occupied\n", val);
7141 /* TODO: Close Doorbell port? */
7144 static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
7146 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
7147 BP_ABS_FUNC(bp), reset_code);
7149 switch (reset_code) {
7150 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
7151 bnx2x_reset_port(bp);
7152 bnx2x_reset_func(bp);
7153 bnx2x_reset_common(bp);
7156 case FW_MSG_CODE_DRV_UNLOAD_PORT:
7157 bnx2x_reset_port(bp);
7158 bnx2x_reset_func(bp);
7161 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
7162 bnx2x_reset_func(bp);
7166 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
7172 static inline void bnx2x_del_fcoe_eth_macs(struct bnx2x *bp)
7174 if (bp->flags & FCOE_MACS_SET) {
7176 bnx2x_set_fip_eth_mac_addr(bp, 0);
7178 bnx2x_set_all_enode_macs(bp, 0);
7180 bp->flags &= ~FCOE_MACS_SET;
7185 void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
7187 int port = BP_PORT(bp);
7191 /* Wait until tx fastpath tasks complete */
7192 for_each_tx_queue(bp, i) {
7193 struct bnx2x_fastpath *fp = &bp->fp[i];
7196 while (bnx2x_has_tx_work_unload(fp)) {
7199 BNX2X_ERR("timeout waiting for queue[%d]\n",
7201 #ifdef BNX2X_STOP_ON_ERROR
7212 /* Give HW time to discard old tx messages */
7215 bnx2x_set_eth_mac(bp, 0);
7217 bnx2x_invalidate_uc_list(bp);
7220 bnx2x_invalidate_e1_mc_list(bp);
7222 bnx2x_invalidate_e1h_mc_list(bp);
7223 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
7227 bnx2x_del_fcoe_eth_macs(bp);
7230 if (unload_mode == UNLOAD_NORMAL)
7231 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7233 else if (bp->flags & NO_WOL_FLAG)
7234 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
7237 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
7238 u8 *mac_addr = bp->dev->dev_addr;
7240 /* The mac address is written to entries 1-4 to
7241 preserve entry 0 which is used by the PMF */
7242 u8 entry = (BP_E1HVN(bp) + 1)*8;
7244 val = (mac_addr[0] << 8) | mac_addr[1];
7245 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
7247 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
7248 (mac_addr[4] << 8) | mac_addr[5];
7249 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
7251 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
7254 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7256 /* Close multi and leading connections
7257 Completions for ramrods are collected in a synchronous way */
7258 for_each_queue(bp, i)
7260 if (bnx2x_stop_client(bp, i))
7261 #ifdef BNX2X_STOP_ON_ERROR
7267 rc = bnx2x_func_stop(bp);
7269 BNX2X_ERR("Function stop failed!\n");
7270 #ifdef BNX2X_STOP_ON_ERROR
7276 #ifndef BNX2X_STOP_ON_ERROR
7280 reset_code = bnx2x_fw_command(bp, reset_code, 0);
7282 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] "
7283 "%d, %d, %d\n", BP_PATH(bp),
7284 load_count[BP_PATH(bp)][0],
7285 load_count[BP_PATH(bp)][1],
7286 load_count[BP_PATH(bp)][2]);
7287 load_count[BP_PATH(bp)][0]--;
7288 load_count[BP_PATH(bp)][1 + port]--;
7289 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] "
7290 "%d, %d, %d\n", BP_PATH(bp),
7291 load_count[BP_PATH(bp)][0], load_count[BP_PATH(bp)][1],
7292 load_count[BP_PATH(bp)][2]);
7293 if (load_count[BP_PATH(bp)][0] == 0)
7294 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
7295 else if (load_count[BP_PATH(bp)][1 + port] == 0)
7296 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
7298 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
7301 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
7302 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
7303 bnx2x__link_reset(bp);
7305 /* Disable HW interrupts, NAPI */
7306 bnx2x_netif_stop(bp, 1);
7311 /* Reset the chip */
7312 bnx2x_reset_chip(bp, reset_code);
7314 /* Report UNLOAD_DONE to MCP */
7316 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
7320 void bnx2x_disable_close_the_gate(struct bnx2x *bp)
7324 DP(NETIF_MSG_HW, "Disabling \"close the gates\"\n");
7326 if (CHIP_IS_E1(bp)) {
7327 int port = BP_PORT(bp);
7328 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7329 MISC_REG_AEU_MASK_ATTN_FUNC_0;
7331 val = REG_RD(bp, addr);
7333 REG_WR(bp, addr, val);
7334 } else if (CHIP_IS_E1H(bp)) {
7335 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
7336 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
7337 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
7338 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
7342 /* Close gates #2, #3 and #4: */
7343 static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
7347 /* Gates #2 and #4a are closed/opened for "not E1" only */
7348 if (!CHIP_IS_E1(bp)) {
7350 val = REG_RD(bp, PXP_REG_HST_DISCARD_DOORBELLS);
7351 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS,
7352 close ? (val | 0x1) : (val & (~(u32)1)));
7354 val = REG_RD(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES);
7355 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES,
7356 close ? (val | 0x1) : (val & (~(u32)1)));
7360 addr = BP_PORT(bp) ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
7361 val = REG_RD(bp, addr);
7362 REG_WR(bp, addr, (!close) ? (val | 0x1) : (val & (~(u32)1)));
7364 DP(NETIF_MSG_HW, "%s gates #2, #3 and #4\n",
7365 close ? "closing" : "opening");
7369 #define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
7371 static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
7373 /* Do some magic... */
7374 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7375 *magic_val = val & SHARED_MF_CLP_MAGIC;
7376 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
7379 /* Restore the value of the `magic' bit.
7381 * @param pdev Device handle.
7382 * @param magic_val Old value of the `magic' bit.
7384 static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
7386 /* Restore the `magic' bit value... */
7387 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7388 MF_CFG_WR(bp, shared_mf_config.clp_mb,
7389 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
7393 * Prepares for MCP reset: takes care of CLP configurations.
7396 * @param magic_val Old value of 'magic' bit.
7398 static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
7401 u32 validity_offset;
7403 DP(NETIF_MSG_HW, "Starting\n");
7405 /* Set `magic' bit in order to save MF config */
7406 if (!CHIP_IS_E1(bp))
7407 bnx2x_clp_reset_prep(bp, magic_val);
7409 /* Get shmem offset */
7410 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7411 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7413 /* Clear validity map flags */
7415 REG_WR(bp, shmem + validity_offset, 0);
7418 #define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
7419 #define MCP_ONE_TIMEOUT 100 /* 100 ms */
7421 /* Waits for MCP_ONE_TIMEOUT or MCP_ONE_TIMEOUT*10,
7422 * depending on the HW type.
7426 static inline void bnx2x_mcp_wait_one(struct bnx2x *bp)
7428 /* special handling for emulation and FPGA,
7429 wait 10 times longer */
7430 if (CHIP_REV_IS_SLOW(bp))
7431 msleep(MCP_ONE_TIMEOUT*10);
7433 msleep(MCP_ONE_TIMEOUT);
7436 static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
7438 u32 shmem, cnt, validity_offset, val;
7443 /* Get shmem offset */
7444 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7446 BNX2X_ERR("Shmem 0 return failure\n");
7451 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7453 /* Wait for MCP to come up */
7454 for (cnt = 0; cnt < (MCP_TIMEOUT / MCP_ONE_TIMEOUT); cnt++) {
7455 /* TBD: its best to check validity map of last port.
7456 * currently checks on port 0.
7458 val = REG_RD(bp, shmem + validity_offset);
7459 DP(NETIF_MSG_HW, "shmem 0x%x validity map(0x%x)=0x%x\n", shmem,
7460 shmem + validity_offset, val);
7462 /* check that shared memory is valid. */
7463 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7464 == (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7467 bnx2x_mcp_wait_one(bp);
7470 DP(NETIF_MSG_HW, "Cnt=%d Shmem validity map 0x%x\n", cnt, val);
7472 /* Check that shared memory is valid. This indicates that MCP is up. */
7473 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) !=
7474 (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) {
7475 BNX2X_ERR("Shmem signature not present. MCP is not up !!\n");
7481 /* Restore the `magic' bit value */
7482 if (!CHIP_IS_E1(bp))
7483 bnx2x_clp_reset_done(bp, magic_val);
7488 static void bnx2x_pxp_prep(struct bnx2x *bp)
7490 if (!CHIP_IS_E1(bp)) {
7491 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
7492 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
7493 REG_WR(bp, PXP2_REG_RQ_CFG_DONE, 0);
7499 * Reset the whole chip except for:
7501 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
7504 * - MISC (including AEU)
7508 static void bnx2x_process_kill_chip_reset(struct bnx2x *bp)
7510 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
7513 MISC_REGISTERS_RESET_REG_1_RST_HC |
7514 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
7515 MISC_REGISTERS_RESET_REG_1_RST_PXP;
7518 MISC_REGISTERS_RESET_REG_2_RST_MDIO |
7519 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
7520 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
7521 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
7522 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
7523 MISC_REGISTERS_RESET_REG_2_RST_GRC |
7524 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
7525 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B;
7527 reset_mask1 = 0xffffffff;
7530 reset_mask2 = 0xffff;
7532 reset_mask2 = 0x1ffff;
7534 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7535 reset_mask1 & (~not_reset_mask1));
7536 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7537 reset_mask2 & (~not_reset_mask2));
7542 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
7543 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, reset_mask2);
7547 static int bnx2x_process_kill(struct bnx2x *bp)
7551 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
7554 /* Empty the Tetris buffer, wait for 1s */
7556 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
7557 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
7558 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
7559 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
7560 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
7561 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
7562 ((port_is_idle_0 & 0x1) == 0x1) &&
7563 ((port_is_idle_1 & 0x1) == 0x1) &&
7564 (pgl_exp_rom2 == 0xffffffff))
7567 } while (cnt-- > 0);
7570 DP(NETIF_MSG_HW, "Tetris buffer didn't get empty or there"
7572 " outstanding read requests after 1s!\n");
7573 DP(NETIF_MSG_HW, "sr_cnt=0x%08x, blk_cnt=0x%08x,"
7574 " port_is_idle_0=0x%08x,"
7575 " port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
7576 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
7583 /* Close gates #2, #3 and #4 */
7584 bnx2x_set_234_gates(bp, true);
7586 /* TBD: Indicate that "process kill" is in progress to MCP */
7588 /* Clear "unprepared" bit */
7589 REG_WR(bp, MISC_REG_UNPREPARED, 0);
7592 /* Make sure all is written to the chip before the reset */
7595 /* Wait for 1ms to empty GLUE and PCI-E core queues,
7596 * PSWHST, GRC and PSWRD Tetris buffer.
7600 /* Prepare to chip reset: */
7602 bnx2x_reset_mcp_prep(bp, &val);
7608 /* reset the chip */
7609 bnx2x_process_kill_chip_reset(bp);
7612 /* Recover after reset: */
7614 if (bnx2x_reset_mcp_comp(bp, val))
7620 /* Open the gates #2, #3 and #4 */
7621 bnx2x_set_234_gates(bp, false);
7623 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
7624 * reset state, re-enable attentions. */
7629 static int bnx2x_leader_reset(struct bnx2x *bp)
7632 /* Try to recover after the failure */
7633 if (bnx2x_process_kill(bp)) {
7634 printk(KERN_ERR "%s: Something bad had happen! Aii!\n",
7637 goto exit_leader_reset;
7640 /* Clear "reset is in progress" bit and update the driver state */
7641 bnx2x_set_reset_done(bp);
7642 bp->recovery_state = BNX2X_RECOVERY_DONE;
7646 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESERVED_08);
7651 /* Assumption: runs under rtnl lock. This together with the fact
7652 * that it's called only from bnx2x_reset_task() ensure that it
7653 * will never be called when netif_running(bp->dev) is false.
7655 static void bnx2x_parity_recover(struct bnx2x *bp)
7657 DP(NETIF_MSG_HW, "Handling parity\n");
7659 switch (bp->recovery_state) {
7660 case BNX2X_RECOVERY_INIT:
7661 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
7662 /* Try to get a LEADER_LOCK HW lock */
7663 if (bnx2x_trylock_hw_lock(bp,
7664 HW_LOCK_RESOURCE_RESERVED_08))
7667 /* Stop the driver */
7668 /* If interface has been removed - break */
7669 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
7672 bp->recovery_state = BNX2X_RECOVERY_WAIT;
7673 /* Ensure "is_leader" and "recovery_state"
7674 * update values are seen on other CPUs
7679 case BNX2X_RECOVERY_WAIT:
7680 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
7681 if (bp->is_leader) {
7682 u32 load_counter = bnx2x_get_load_cnt(bp);
7684 /* Wait until all other functions get
7687 schedule_delayed_work(&bp->reset_task,
7691 /* If all other functions got down -
7692 * try to bring the chip back to
7693 * normal. In any case it's an exit
7694 * point for a leader.
7696 if (bnx2x_leader_reset(bp) ||
7697 bnx2x_nic_load(bp, LOAD_NORMAL)) {
7698 printk(KERN_ERR"%s: Recovery "
7699 "has failed. Power cycle is "
7700 "needed.\n", bp->dev->name);
7701 /* Disconnect this device */
7702 netif_device_detach(bp->dev);
7703 /* Block ifup for all function
7704 * of this ASIC until
7705 * "process kill" or power
7708 bnx2x_set_reset_in_progress(bp);
7709 /* Shut down the power */
7710 bnx2x_set_power_state(bp,
7717 } else { /* non-leader */
7718 if (!bnx2x_reset_is_done(bp)) {
7719 /* Try to get a LEADER_LOCK HW lock as
7720 * long as a former leader may have
7721 * been unloaded by the user or
7722 * released a leadership by another
7725 if (bnx2x_trylock_hw_lock(bp,
7726 HW_LOCK_RESOURCE_RESERVED_08)) {
7727 /* I'm a leader now! Restart a
7734 schedule_delayed_work(&bp->reset_task,
7738 } else { /* A leader has completed
7739 * the "process kill". It's an exit
7740 * point for a non-leader.
7742 bnx2x_nic_load(bp, LOAD_NORMAL);
7743 bp->recovery_state =
7744 BNX2X_RECOVERY_DONE;
7755 /* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
7756 * scheduled on a general queue in order to prevent a dead lock.
7758 static void bnx2x_reset_task(struct work_struct *work)
7760 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task.work);
7762 #ifdef BNX2X_STOP_ON_ERROR
7763 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
7764 " so reset not done to allow debug dump,\n"
7765 KERN_ERR " you will need to reboot when done\n");
7771 if (!netif_running(bp->dev))
7772 goto reset_task_exit;
7774 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE))
7775 bnx2x_parity_recover(bp);
7777 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
7778 bnx2x_nic_load(bp, LOAD_NORMAL);
7785 /* end of nic load/unload */
7788 * Init service functions
7791 static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
7793 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
7794 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
7795 return base + (BP_ABS_FUNC(bp)) * stride;
7798 static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
7800 u32 reg = bnx2x_get_pretend_reg(bp);
7802 /* Flush all outstanding writes */
7805 /* Pretend to be function 0 */
7807 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
7809 /* From now we are in the "like-E1" mode */
7810 bnx2x_int_disable(bp);
7812 /* Flush all outstanding writes */
7815 /* Restore the original function */
7816 REG_WR(bp, reg, BP_ABS_FUNC(bp));
7820 static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
7823 bnx2x_int_disable(bp);
7825 bnx2x_undi_int_disable_e1h(bp);
7828 static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
7832 /* Check if there is any driver already loaded */
7833 val = REG_RD(bp, MISC_REG_UNPREPARED);
7835 /* Check if it is the UNDI driver
7836 * UNDI driver initializes CID offset for normal bell to 0x7
7838 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7839 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
7841 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7842 /* save our pf_num */
7843 int orig_pf_num = bp->pf_num;
7847 /* clear the UNDI indication */
7848 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
7850 BNX2X_DEV_INFO("UNDI is active! reset device\n");
7852 /* try unload UNDI on port 0 */
7855 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
7856 DRV_MSG_SEQ_NUMBER_MASK);
7857 reset_code = bnx2x_fw_command(bp, reset_code, 0);
7859 /* if UNDI is loaded on the other port */
7860 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
7862 /* send "DONE" for previous unload */
7863 bnx2x_fw_command(bp,
7864 DRV_MSG_CODE_UNLOAD_DONE, 0);
7866 /* unload UNDI on port 1 */
7869 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
7870 DRV_MSG_SEQ_NUMBER_MASK);
7871 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7873 bnx2x_fw_command(bp, reset_code, 0);
7876 /* now it's safe to release the lock */
7877 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7879 bnx2x_undi_int_disable(bp);
7881 /* close input traffic and wait for it */
7882 /* Do not rcv packets to BRB */
7884 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
7885 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
7886 /* Do not direct rcv packets that are not for MCP to
7889 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
7890 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7893 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7894 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
7897 /* save NIG port swap info */
7898 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7899 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7902 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7905 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7907 /* take the NIG out of reset and restore swap values */
7909 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
7910 MISC_REGISTERS_RESET_REG_1_RST_NIG);
7911 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
7912 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
7914 /* send unload done to the MCP */
7915 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
7917 /* restore our func and fw_seq */
7918 bp->pf_num = orig_pf_num;
7920 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
7921 DRV_MSG_SEQ_NUMBER_MASK);
7923 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7927 static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
7929 u32 val, val2, val3, val4, id;
7932 /* Get the chip revision id and number. */
7933 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
7934 val = REG_RD(bp, MISC_REG_CHIP_NUM);
7935 id = ((val & 0xffff) << 16);
7936 val = REG_RD(bp, MISC_REG_CHIP_REV);
7937 id |= ((val & 0xf) << 12);
7938 val = REG_RD(bp, MISC_REG_CHIP_METAL);
7939 id |= ((val & 0xff) << 4);
7940 val = REG_RD(bp, MISC_REG_BOND_ID);
7942 bp->common.chip_id = id;
7944 /* Set doorbell size */
7945 bp->db_size = (1 << BNX2X_DB_SHIFT);
7947 if (CHIP_IS_E2(bp)) {
7948 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
7950 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
7952 val = (val >> 1) & 1;
7953 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
7955 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
7958 if (CHIP_MODE_IS_4_PORT(bp))
7959 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
7961 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
7963 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
7964 bp->pfid = bp->pf_num; /* 0..7 */
7968 * set base FW non-default (fast path) status block id, this value is
7969 * used to initialize the fw_sb_id saved on the fp/queue structure to
7970 * determine the id used by the FW.
7972 if (CHIP_IS_E1x(bp))
7973 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x;
7975 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E2;
7977 bp->link_params.chip_id = bp->common.chip_id;
7978 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
7980 val = (REG_RD(bp, 0x2874) & 0x55);
7981 if ((bp->common.chip_id & 0x1) ||
7982 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
7983 bp->flags |= ONE_PORT_FLAG;
7984 BNX2X_DEV_INFO("single port device\n");
7987 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
7988 bp->common.flash_size = (NVRAM_1MB_SIZE <<
7989 (val & MCPR_NVM_CFG4_FLASH_SIZE));
7990 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
7991 bp->common.flash_size, bp->common.flash_size);
7993 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7994 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
7995 MISC_REG_GENERIC_CR_1 :
7996 MISC_REG_GENERIC_CR_0));
7997 bp->link_params.shmem_base = bp->common.shmem_base;
7998 bp->link_params.shmem2_base = bp->common.shmem2_base;
7999 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
8000 bp->common.shmem_base, bp->common.shmem2_base);
8002 if (!bp->common.shmem_base) {
8003 BNX2X_DEV_INFO("MCP not active\n");
8004 bp->flags |= NO_MCP_FLAG;
8008 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
8009 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
8010 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
8011 BNX2X_ERR("BAD MCP validity signature\n");
8013 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
8014 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
8016 bp->link_params.hw_led_mode = ((bp->common.hw_config &
8017 SHARED_HW_CFG_LED_MODE_MASK) >>
8018 SHARED_HW_CFG_LED_MODE_SHIFT);
8020 bp->link_params.feature_config_flags = 0;
8021 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
8022 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
8023 bp->link_params.feature_config_flags |=
8024 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
8026 bp->link_params.feature_config_flags &=
8027 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
8029 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
8030 bp->common.bc_ver = val;
8031 BNX2X_DEV_INFO("bc_ver %X\n", val);
8032 if (val < BNX2X_BC_VER) {
8033 /* for now only warn
8034 * later we might need to enforce this */
8035 BNX2X_ERR("This driver needs bc_ver %X but found %X, "
8036 "please upgrade BC\n", BNX2X_BC_VER, val);
8038 bp->link_params.feature_config_flags |=
8039 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
8040 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
8042 bp->link_params.feature_config_flags |=
8043 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
8044 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
8046 if (BP_E1HVN(bp) == 0) {
8047 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
8048 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
8050 /* no WOL capability for E1HVN != 0 */
8051 bp->flags |= NO_WOL_FLAG;
8053 BNX2X_DEV_INFO("%sWoL capable\n",
8054 (bp->flags & NO_WOL_FLAG) ? "not " : "");
8056 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
8057 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
8058 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
8059 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
8061 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
8062 val, val2, val3, val4);
8065 #define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
8066 #define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
8068 static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
8070 int pfid = BP_FUNC(bp);
8071 int vn = BP_E1HVN(bp);
8076 bp->igu_base_sb = 0xff;
8078 if (CHIP_INT_MODE_IS_BC(bp)) {
8079 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
8080 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
8082 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
8085 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
8086 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
8091 /* IGU in normal mode - read CAM */
8092 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
8094 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
8095 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
8098 if ((fid & IGU_FID_ENCODE_IS_PF)) {
8099 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
8101 if (IGU_VEC(val) == 0)
8102 /* default status block */
8103 bp->igu_dsb_id = igu_sb_id;
8105 if (bp->igu_base_sb == 0xff)
8106 bp->igu_base_sb = igu_sb_id;
8111 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8112 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
8113 if (bp->igu_sb_cnt == 0)
8114 BNX2X_ERR("CAM configuration error\n");
8117 static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
8120 int cfg_size = 0, idx, port = BP_PORT(bp);
8122 /* Aggregation of supported attributes of all external phys */
8123 bp->port.supported[0] = 0;
8124 bp->port.supported[1] = 0;
8125 switch (bp->link_params.num_phys) {
8127 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
8131 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
8135 if (bp->link_params.multi_phy_config &
8136 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
8137 bp->port.supported[1] =
8138 bp->link_params.phy[EXT_PHY1].supported;
8139 bp->port.supported[0] =
8140 bp->link_params.phy[EXT_PHY2].supported;
8142 bp->port.supported[0] =
8143 bp->link_params.phy[EXT_PHY1].supported;
8144 bp->port.supported[1] =
8145 bp->link_params.phy[EXT_PHY2].supported;
8151 if (!(bp->port.supported[0] || bp->port.supported[1])) {
8152 BNX2X_ERR("NVRAM config error. BAD phy config."
8153 "PHY1 config 0x%x, PHY2 config 0x%x\n",
8155 dev_info.port_hw_config[port].external_phy_config),
8157 dev_info.port_hw_config[port].external_phy_config2));
8161 switch (switch_cfg) {
8163 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
8165 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
8168 case SWITCH_CFG_10G:
8169 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
8171 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
8175 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
8176 bp->port.link_config[0]);
8179 /* mask what we support according to speed_cap_mask per configuration */
8180 for (idx = 0; idx < cfg_size; idx++) {
8181 if (!(bp->link_params.speed_cap_mask[idx] &
8182 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
8183 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
8185 if (!(bp->link_params.speed_cap_mask[idx] &
8186 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
8187 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
8189 if (!(bp->link_params.speed_cap_mask[idx] &
8190 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
8191 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
8193 if (!(bp->link_params.speed_cap_mask[idx] &
8194 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
8195 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
8197 if (!(bp->link_params.speed_cap_mask[idx] &
8198 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
8199 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
8200 SUPPORTED_1000baseT_Full);
8202 if (!(bp->link_params.speed_cap_mask[idx] &
8203 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
8204 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
8206 if (!(bp->link_params.speed_cap_mask[idx] &
8207 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
8208 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
8212 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
8213 bp->port.supported[1]);
8216 static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
8218 u32 link_config, idx, cfg_size = 0;
8219 bp->port.advertising[0] = 0;
8220 bp->port.advertising[1] = 0;
8221 switch (bp->link_params.num_phys) {
8230 for (idx = 0; idx < cfg_size; idx++) {
8231 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
8232 link_config = bp->port.link_config[idx];
8233 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
8234 case PORT_FEATURE_LINK_SPEED_AUTO:
8235 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
8236 bp->link_params.req_line_speed[idx] =
8238 bp->port.advertising[idx] |=
8239 bp->port.supported[idx];
8241 /* force 10G, no AN */
8242 bp->link_params.req_line_speed[idx] =
8244 bp->port.advertising[idx] |=
8245 (ADVERTISED_10000baseT_Full |
8251 case PORT_FEATURE_LINK_SPEED_10M_FULL:
8252 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
8253 bp->link_params.req_line_speed[idx] =
8255 bp->port.advertising[idx] |=
8256 (ADVERTISED_10baseT_Full |
8259 BNX2X_ERROR("NVRAM config error. "
8260 "Invalid link_config 0x%x"
8261 " speed_cap_mask 0x%x\n",
8263 bp->link_params.speed_cap_mask[idx]);
8268 case PORT_FEATURE_LINK_SPEED_10M_HALF:
8269 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
8270 bp->link_params.req_line_speed[idx] =
8272 bp->link_params.req_duplex[idx] =
8274 bp->port.advertising[idx] |=
8275 (ADVERTISED_10baseT_Half |
8278 BNX2X_ERROR("NVRAM config error. "
8279 "Invalid link_config 0x%x"
8280 " speed_cap_mask 0x%x\n",
8282 bp->link_params.speed_cap_mask[idx]);
8287 case PORT_FEATURE_LINK_SPEED_100M_FULL:
8288 if (bp->port.supported[idx] &
8289 SUPPORTED_100baseT_Full) {
8290 bp->link_params.req_line_speed[idx] =
8292 bp->port.advertising[idx] |=
8293 (ADVERTISED_100baseT_Full |
8296 BNX2X_ERROR("NVRAM config error. "
8297 "Invalid link_config 0x%x"
8298 " speed_cap_mask 0x%x\n",
8300 bp->link_params.speed_cap_mask[idx]);
8305 case PORT_FEATURE_LINK_SPEED_100M_HALF:
8306 if (bp->port.supported[idx] &
8307 SUPPORTED_100baseT_Half) {
8308 bp->link_params.req_line_speed[idx] =
8310 bp->link_params.req_duplex[idx] =
8312 bp->port.advertising[idx] |=
8313 (ADVERTISED_100baseT_Half |
8316 BNX2X_ERROR("NVRAM config error. "
8317 "Invalid link_config 0x%x"
8318 " speed_cap_mask 0x%x\n",
8320 bp->link_params.speed_cap_mask[idx]);
8325 case PORT_FEATURE_LINK_SPEED_1G:
8326 if (bp->port.supported[idx] &
8327 SUPPORTED_1000baseT_Full) {
8328 bp->link_params.req_line_speed[idx] =
8330 bp->port.advertising[idx] |=
8331 (ADVERTISED_1000baseT_Full |
8334 BNX2X_ERROR("NVRAM config error. "
8335 "Invalid link_config 0x%x"
8336 " speed_cap_mask 0x%x\n",
8338 bp->link_params.speed_cap_mask[idx]);
8343 case PORT_FEATURE_LINK_SPEED_2_5G:
8344 if (bp->port.supported[idx] &
8345 SUPPORTED_2500baseX_Full) {
8346 bp->link_params.req_line_speed[idx] =
8348 bp->port.advertising[idx] |=
8349 (ADVERTISED_2500baseX_Full |
8352 BNX2X_ERROR("NVRAM config error. "
8353 "Invalid link_config 0x%x"
8354 " speed_cap_mask 0x%x\n",
8356 bp->link_params.speed_cap_mask[idx]);
8361 case PORT_FEATURE_LINK_SPEED_10G_CX4:
8362 case PORT_FEATURE_LINK_SPEED_10G_KX4:
8363 case PORT_FEATURE_LINK_SPEED_10G_KR:
8364 if (bp->port.supported[idx] &
8365 SUPPORTED_10000baseT_Full) {
8366 bp->link_params.req_line_speed[idx] =
8368 bp->port.advertising[idx] |=
8369 (ADVERTISED_10000baseT_Full |
8372 BNX2X_ERROR("NVRAM config error. "
8373 "Invalid link_config 0x%x"
8374 " speed_cap_mask 0x%x\n",
8376 bp->link_params.speed_cap_mask[idx]);
8382 BNX2X_ERROR("NVRAM config error. "
8383 "BAD link speed link_config 0x%x\n",
8385 bp->link_params.req_line_speed[idx] =
8387 bp->port.advertising[idx] =
8388 bp->port.supported[idx];
8392 bp->link_params.req_flow_ctrl[idx] = (link_config &
8393 PORT_FEATURE_FLOW_CONTROL_MASK);
8394 if ((bp->link_params.req_flow_ctrl[idx] ==
8395 BNX2X_FLOW_CTRL_AUTO) &&
8396 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
8397 bp->link_params.req_flow_ctrl[idx] =
8398 BNX2X_FLOW_CTRL_NONE;
8401 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl"
8402 " 0x%x advertising 0x%x\n",
8403 bp->link_params.req_line_speed[idx],
8404 bp->link_params.req_duplex[idx],
8405 bp->link_params.req_flow_ctrl[idx],
8406 bp->port.advertising[idx]);
8410 static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
8412 mac_hi = cpu_to_be16(mac_hi);
8413 mac_lo = cpu_to_be32(mac_lo);
8414 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
8415 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
8418 static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
8420 int port = BP_PORT(bp);
8422 u32 ext_phy_type, ext_phy_config;
8424 bp->link_params.bp = bp;
8425 bp->link_params.port = port;
8427 bp->link_params.lane_config =
8428 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
8430 bp->link_params.speed_cap_mask[0] =
8432 dev_info.port_hw_config[port].speed_capability_mask);
8433 bp->link_params.speed_cap_mask[1] =
8435 dev_info.port_hw_config[port].speed_capability_mask2);
8436 bp->port.link_config[0] =
8437 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
8439 bp->port.link_config[1] =
8440 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
8442 bp->link_params.multi_phy_config =
8443 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
8444 /* If the device is capable of WoL, set the default state according
8447 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
8448 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
8449 (config & PORT_FEATURE_WOL_ENABLED));
8451 BNX2X_DEV_INFO("lane_config 0x%08x "
8452 "speed_cap_mask0 0x%08x link_config0 0x%08x\n",
8453 bp->link_params.lane_config,
8454 bp->link_params.speed_cap_mask[0],
8455 bp->port.link_config[0]);
8457 bp->link_params.switch_cfg = (bp->port.link_config[0] &
8458 PORT_FEATURE_CONNECTED_SWITCH_MASK);
8459 bnx2x_phy_probe(&bp->link_params);
8460 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
8462 bnx2x_link_settings_requested(bp);
8465 * If connected directly, work with the internal PHY, otherwise, work
8466 * with the external PHY
8470 dev_info.port_hw_config[port].external_phy_config);
8471 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
8472 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
8473 bp->mdio.prtad = bp->port.phy_addr;
8475 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
8476 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
8478 XGXS_EXT_PHY_ADDR(ext_phy_config);
8481 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
8482 * In MF mode, it is set to cover self test cases
8485 bp->port.need_hw_lock = 1;
8487 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
8488 bp->common.shmem_base,
8489 bp->common.shmem2_base);
8493 static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
8495 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8496 drv_lic_key[BP_PORT(bp)].max_iscsi_conn);
8497 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8498 drv_lic_key[BP_PORT(bp)].max_fcoe_conn);
8500 /* Get the number of maximum allowed iSCSI and FCoE connections */
8501 bp->cnic_eth_dev.max_iscsi_conn =
8502 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
8503 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
8505 bp->cnic_eth_dev.max_fcoe_conn =
8506 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
8507 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
8509 BNX2X_DEV_INFO("max_iscsi_conn 0x%x max_fcoe_conn 0x%x\n",
8510 bp->cnic_eth_dev.max_iscsi_conn,
8511 bp->cnic_eth_dev.max_fcoe_conn);
8513 /* If mamimum allowed number of connections is zero -
8514 * disable the feature.
8516 if (!bp->cnic_eth_dev.max_iscsi_conn)
8517 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8519 if (!bp->cnic_eth_dev.max_fcoe_conn)
8520 bp->flags |= NO_FCOE_FLAG;
8524 static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
8527 int func = BP_ABS_FUNC(bp);
8528 int port = BP_PORT(bp);
8530 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
8531 u8 *fip_mac = bp->fip_mac;
8535 BNX2X_ERROR("warning: random MAC workaround active\n");
8536 random_ether_addr(bp->dev->dev_addr);
8537 } else if (IS_MF(bp)) {
8538 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
8539 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
8540 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
8541 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
8542 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8545 /* iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
8546 * FCoE MAC then the appropriate feature should be disabled.
8549 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
8550 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
8551 val2 = MF_CFG_RD(bp, func_ext_config[func].
8552 iscsi_mac_addr_upper);
8553 val = MF_CFG_RD(bp, func_ext_config[func].
8554 iscsi_mac_addr_lower);
8555 BNX2X_DEV_INFO("Read iSCSI MAC: "
8556 "0x%x:0x%04x\n", val2, val);
8557 bnx2x_set_mac_buf(iscsi_mac, val, val2);
8559 /* Disable iSCSI OOO if MAC configuration is
8562 if (!is_valid_ether_addr(iscsi_mac)) {
8563 bp->flags |= NO_ISCSI_OOO_FLAG |
8565 memset(iscsi_mac, 0, ETH_ALEN);
8568 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8570 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
8571 val2 = MF_CFG_RD(bp, func_ext_config[func].
8572 fcoe_mac_addr_upper);
8573 val = MF_CFG_RD(bp, func_ext_config[func].
8574 fcoe_mac_addr_lower);
8575 BNX2X_DEV_INFO("Read FCoE MAC to "
8576 "0x%x:0x%04x\n", val2, val);
8577 bnx2x_set_mac_buf(fip_mac, val, val2);
8579 /* Disable FCoE if MAC configuration is
8582 if (!is_valid_ether_addr(fip_mac)) {
8583 bp->flags |= NO_FCOE_FLAG;
8584 memset(bp->fip_mac, 0, ETH_ALEN);
8587 bp->flags |= NO_FCOE_FLAG;
8591 /* in SF read MACs from port configuration */
8592 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
8593 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
8594 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8597 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
8599 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
8601 bnx2x_set_mac_buf(iscsi_mac, val, val2);
8605 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
8606 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
8609 /* Set the FCoE MAC in modes other then MF_SI */
8610 if (!CHIP_IS_E1x(bp)) {
8612 memcpy(fip_mac, bp->dev->dev_addr, ETH_ALEN);
8613 else if (!IS_MF(bp))
8614 memcpy(fip_mac, iscsi_mac, ETH_ALEN);
8619 static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
8621 int /*abs*/func = BP_ABS_FUNC(bp);
8626 bnx2x_get_common_hwinfo(bp);
8628 if (CHIP_IS_E1x(bp)) {
8629 bp->common.int_block = INT_BLOCK_HC;
8631 bp->igu_dsb_id = DEF_SB_IGU_ID;
8632 bp->igu_base_sb = 0;
8633 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
8634 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
8636 bp->common.int_block = INT_BLOCK_IGU;
8637 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8638 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
8639 DP(NETIF_MSG_PROBE, "IGU Backward Compatible Mode\n");
8640 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
8642 DP(NETIF_MSG_PROBE, "IGU Normal Mode\n");
8644 bnx2x_get_igu_cam_info(bp);
8647 DP(NETIF_MSG_PROBE, "igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n",
8648 bp->igu_dsb_id, bp->igu_base_sb, bp->igu_sb_cnt);
8651 * Initialize MF configuration
8659 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
8661 "shmem2base 0x%x, size %d, mfcfg offset %d\n",
8662 bp->common.shmem2_base, SHMEM2_RD(bp, size),
8663 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
8664 if (SHMEM2_HAS(bp, mf_cfg_addr))
8665 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
8667 bp->common.mf_cfg_base = bp->common.shmem_base +
8668 offsetof(struct shmem_region, func_mb) +
8669 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
8671 * get mf configuration:
8672 * 1. existance of MF configuration
8673 * 2. MAC address must be legal (check only upper bytes)
8674 * for Switch-Independent mode;
8675 * OVLAN must be legal for Switch-Dependent mode
8676 * 3. SF_MODE configures specific MF mode
8678 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
8679 /* get mf configuration */
8681 dev_info.shared_feature_config.config);
8682 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
8685 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
8686 val = MF_CFG_RD(bp, func_mf_config[func].
8688 /* check for legal mac (upper bytes)*/
8689 if (val != 0xffff) {
8690 bp->mf_mode = MULTI_FUNCTION_SI;
8691 bp->mf_config[vn] = MF_CFG_RD(bp,
8692 func_mf_config[func].config);
8694 DP(NETIF_MSG_PROBE, "illegal MAC "
8695 "address for SI\n");
8697 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
8698 /* get OV configuration */
8700 func_mf_config[FUNC_0].e1hov_tag);
8701 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
8703 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
8704 bp->mf_mode = MULTI_FUNCTION_SD;
8705 bp->mf_config[vn] = MF_CFG_RD(bp,
8706 func_mf_config[func].config);
8708 DP(NETIF_MSG_PROBE, "illegal OV for "
8712 /* Unknown configuration: reset mf_config */
8713 bp->mf_config[vn] = 0;
8714 DP(NETIF_MSG_PROBE, "Unkown MF mode 0x%x\n",
8719 BNX2X_DEV_INFO("%s function mode\n",
8720 IS_MF(bp) ? "multi" : "single");
8722 switch (bp->mf_mode) {
8723 case MULTI_FUNCTION_SD:
8724 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
8725 FUNC_MF_CFG_E1HOV_TAG_MASK;
8726 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
8728 BNX2X_DEV_INFO("MF OV for func %d is %d"
8729 " (0x%04x)\n", func,
8730 bp->mf_ov, bp->mf_ov);
8732 BNX2X_ERR("No valid MF OV for func %d,"
8733 " aborting\n", func);
8737 case MULTI_FUNCTION_SI:
8738 BNX2X_DEV_INFO("func %d is in MF "
8739 "switch-independent mode\n", func);
8743 BNX2X_ERR("VN %d in single function mode,"
8752 /* adjust igu_sb_cnt to MF for E1x */
8753 if (CHIP_IS_E1x(bp) && IS_MF(bp))
8754 bp->igu_sb_cnt /= E1HVN_MAX;
8757 * adjust E2 sb count: to be removed when FW will support
8758 * more then 16 L2 clients
8760 #define MAX_L2_CLIENTS 16
8762 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8763 MAX_L2_CLIENTS / (IS_MF(bp) ? 4 : 1));
8765 if (!BP_NOMCP(bp)) {
8766 bnx2x_get_port_hwinfo(bp);
8769 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
8770 DRV_MSG_SEQ_NUMBER_MASK);
8771 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
8774 /* Get MAC addresses */
8775 bnx2x_get_mac_hwinfo(bp);
8778 bnx2x_get_cnic_info(bp);
8784 static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
8786 int cnt, i, block_end, rodi;
8787 char vpd_data[BNX2X_VPD_LEN+1];
8788 char str_id_reg[VENDOR_ID_LEN+1];
8789 char str_id_cap[VENDOR_ID_LEN+1];
8792 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_data);
8793 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
8795 if (cnt < BNX2X_VPD_LEN)
8798 i = pci_vpd_find_tag(vpd_data, 0, BNX2X_VPD_LEN,
8799 PCI_VPD_LRDT_RO_DATA);
8804 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
8805 pci_vpd_lrdt_size(&vpd_data[i]);
8807 i += PCI_VPD_LRDT_TAG_SIZE;
8809 if (block_end > BNX2X_VPD_LEN)
8812 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8813 PCI_VPD_RO_KEYWORD_MFR_ID);
8817 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8819 if (len != VENDOR_ID_LEN)
8822 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8824 /* vendor specific info */
8825 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
8826 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
8827 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
8828 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
8830 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8831 PCI_VPD_RO_KEYWORD_VENDOR0);
8833 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8835 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8837 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
8838 memcpy(bp->fw_ver, &vpd_data[rodi], len);
8839 bp->fw_ver[len] = ' ';
8848 static int __devinit bnx2x_init_bp(struct bnx2x *bp)
8854 /* Disable interrupt handling until HW is initialized */
8855 atomic_set(&bp->intr_sem, 1);
8856 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
8858 mutex_init(&bp->port.phy_mutex);
8859 mutex_init(&bp->fw_mb_mutex);
8860 spin_lock_init(&bp->stats_lock);
8862 mutex_init(&bp->cnic_mutex);
8865 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
8866 INIT_DELAYED_WORK(&bp->reset_task, bnx2x_reset_task);
8868 rc = bnx2x_get_hwinfo(bp);
8871 rc = bnx2x_alloc_mem_bp(bp);
8873 bnx2x_read_fwinfo(bp);
8877 /* need to reset chip if undi was active */
8879 bnx2x_undi_unload(bp);
8881 if (CHIP_REV_IS_FPGA(bp))
8882 dev_err(&bp->pdev->dev, "FPGA detected\n");
8884 if (BP_NOMCP(bp) && (func == 0))
8885 dev_err(&bp->pdev->dev, "MCP disabled, "
8886 "must load devices in order!\n");
8888 bp->multi_mode = multi_mode;
8889 bp->int_mode = int_mode;
8891 bp->dev->features |= NETIF_F_GRO;
8895 bp->flags &= ~TPA_ENABLE_FLAG;
8896 bp->dev->features &= ~NETIF_F_LRO;
8898 bp->flags |= TPA_ENABLE_FLAG;
8899 bp->dev->features |= NETIF_F_LRO;
8901 bp->disable_tpa = disable_tpa;
8904 bp->dropless_fc = 0;
8906 bp->dropless_fc = dropless_fc;
8910 bp->tx_ring_size = MAX_TX_AVAIL;
8914 /* make sure that the numbers are in the right granularity */
8915 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
8916 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
8918 timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
8919 bp->current_interval = (poll ? poll : timer_interval);
8921 init_timer(&bp->timer);
8922 bp->timer.expires = jiffies + bp->current_interval;
8923 bp->timer.data = (unsigned long) bp;
8924 bp->timer.function = bnx2x_timer;
8926 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
8927 bnx2x_dcbx_init_params(bp);
8933 /****************************************************************************
8934 * General service functions
8935 ****************************************************************************/
8937 /* called with rtnl_lock */
8938 static int bnx2x_open(struct net_device *dev)
8940 struct bnx2x *bp = netdev_priv(dev);
8942 netif_carrier_off(dev);
8944 bnx2x_set_power_state(bp, PCI_D0);
8946 if (!bnx2x_reset_is_done(bp)) {
8948 /* Reset MCP mail box sequence if there is on going
8953 /* If it's the first function to load and reset done
8954 * is still not cleared it may mean that. We don't
8955 * check the attention state here because it may have
8956 * already been cleared by a "common" reset but we
8957 * shell proceed with "process kill" anyway.
8959 if ((bnx2x_get_load_cnt(bp) == 0) &&
8960 bnx2x_trylock_hw_lock(bp,
8961 HW_LOCK_RESOURCE_RESERVED_08) &&
8962 (!bnx2x_leader_reset(bp))) {
8963 DP(NETIF_MSG_HW, "Recovered in open\n");
8967 bnx2x_set_power_state(bp, PCI_D3hot);
8969 printk(KERN_ERR"%s: Recovery flow hasn't been properly"
8970 " completed yet. Try again later. If u still see this"
8971 " message after a few retries then power cycle is"
8972 " required.\n", bp->dev->name);
8978 bp->recovery_state = BNX2X_RECOVERY_DONE;
8980 return bnx2x_nic_load(bp, LOAD_OPEN);
8983 /* called with rtnl_lock */
8984 static int bnx2x_close(struct net_device *dev)
8986 struct bnx2x *bp = netdev_priv(dev);
8988 /* Unload the driver, release IRQs */
8989 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
8990 bnx2x_set_power_state(bp, PCI_D3hot);
8995 #define E1_MAX_UC_LIST 29
8996 #define E1H_MAX_UC_LIST 30
8997 #define E2_MAX_UC_LIST 14
8998 static inline u8 bnx2x_max_uc_list(struct bnx2x *bp)
9001 return E1_MAX_UC_LIST;
9002 else if (CHIP_IS_E1H(bp))
9003 return E1H_MAX_UC_LIST;
9005 return E2_MAX_UC_LIST;
9009 static inline u8 bnx2x_uc_list_cam_offset(struct bnx2x *bp)
9012 /* CAM Entries for Port0:
9015 * 2 - iSCSI L2 ring ETH MAC
9018 * Port1 entries are allocated the same way starting from
9021 return 3 + 32 * BP_PORT(bp);
9022 else if (CHIP_IS_E1H(bp)) {
9024 * 0-7 - prim ETH MAC for each function
9025 * 8-15 - iSCSI L2 ring ETH MAC for each function
9026 * 16 till 255 UC MAC lists for each function
9028 * Remark: There is no FCoE support for E1H, thus FCoE related
9029 * MACs are not considered.
9031 return E1H_FUNC_MAX * (CAM_ISCSI_ETH_LINE + 1) +
9032 bnx2x_max_uc_list(bp) * BP_FUNC(bp);
9034 /* CAM Entries (there is a separate CAM per engine):
9035 * 0-4 - prim ETH MAC for each function
9036 * 4-7 - iSCSI L2 ring ETH MAC for each function
9037 * 8-11 - FIP ucast L2 MAC for each function
9038 * 12-15 - ALL_ENODE_MACS mcast MAC for each function
9039 * 16 till 71 UC MAC lists for each function
9042 (CHIP_MODE_IS_4_PORT(bp) ? BP_FUNC(bp) : BP_VN(bp));
9044 return E2_FUNC_MAX * (CAM_MAX_PF_LINE + 1) +
9045 bnx2x_max_uc_list(bp) * func_idx;
9049 /* set uc list, do not wait as wait implies sleep and
9050 * set_rx_mode can be invoked from non-sleepable context.
9052 * Instead we use the same ramrod data buffer each time we need
9053 * to configure a list of addresses, and use the fact that the
9054 * list of MACs is changed in an incremental way and that the
9055 * function is called under the netif_addr_lock. A temporary
9056 * inconsistent CAM configuration (possible in case of very fast
9057 * sequence of add/del/add on the host side) will shortly be
9058 * restored by the handler of the last ramrod.
9060 static int bnx2x_set_uc_list(struct bnx2x *bp)
9063 struct net_device *dev = bp->dev;
9064 u8 offset = bnx2x_uc_list_cam_offset(bp);
9065 struct netdev_hw_addr *ha;
9066 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, uc_mac_config);
9067 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, uc_mac_config);
9069 if (netdev_uc_count(dev) > bnx2x_max_uc_list(bp))
9072 netdev_for_each_uc_addr(ha, dev) {
9074 config_cmd->config_table[i].msb_mac_addr =
9075 swab16(*(u16 *)&bnx2x_uc_addr(ha)[0]);
9076 config_cmd->config_table[i].middle_mac_addr =
9077 swab16(*(u16 *)&bnx2x_uc_addr(ha)[2]);
9078 config_cmd->config_table[i].lsb_mac_addr =
9079 swab16(*(u16 *)&bnx2x_uc_addr(ha)[4]);
9081 config_cmd->config_table[i].vlan_id = 0;
9082 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
9083 config_cmd->config_table[i].clients_bit_vector =
9084 cpu_to_le32(1 << BP_L_ID(bp));
9086 SET_FLAG(config_cmd->config_table[i].flags,
9087 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
9088 T_ETH_MAC_COMMAND_SET);
9091 "setting UCAST[%d] (%04x:%04x:%04x)\n", i,
9092 config_cmd->config_table[i].msb_mac_addr,
9093 config_cmd->config_table[i].middle_mac_addr,
9094 config_cmd->config_table[i].lsb_mac_addr);
9098 /* Set uc MAC in NIG */
9099 bnx2x_set_mac_in_nig(bp, 1, bnx2x_uc_addr(ha),
9100 LLH_CAM_ETH_LINE + i);
9102 old = config_cmd->hdr.length;
9104 for (; i < old; i++) {
9105 if (CAM_IS_INVALID(config_cmd->
9107 /* already invalidated */
9111 SET_FLAG(config_cmd->config_table[i].flags,
9112 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
9113 T_ETH_MAC_COMMAND_INVALIDATE);
9119 config_cmd->hdr.length = i;
9120 config_cmd->hdr.offset = offset;
9121 config_cmd->hdr.client_id = 0xff;
9122 /* Mark that this ramrod doesn't use bp->set_mac_pending for
9125 config_cmd->hdr.echo = 0;
9129 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
9130 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
9134 void bnx2x_invalidate_uc_list(struct bnx2x *bp)
9137 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, uc_mac_config);
9138 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, uc_mac_config);
9139 int ramrod_flags = WAIT_RAMROD_COMMON;
9140 u8 offset = bnx2x_uc_list_cam_offset(bp);
9141 u8 max_list_size = bnx2x_max_uc_list(bp);
9143 for (i = 0; i < max_list_size; i++) {
9144 SET_FLAG(config_cmd->config_table[i].flags,
9145 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
9146 T_ETH_MAC_COMMAND_INVALIDATE);
9147 bnx2x_set_mac_in_nig(bp, 0, NULL, LLH_CAM_ETH_LINE + 1 + i);
9152 config_cmd->hdr.length = max_list_size;
9153 config_cmd->hdr.offset = offset;
9154 config_cmd->hdr.client_id = 0xff;
9155 /* We'll wait for a completion this time... */
9156 config_cmd->hdr.echo = 1;
9158 bp->set_mac_pending = 1;
9162 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
9163 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
9165 /* Wait for a completion */
9166 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
9171 static inline int bnx2x_set_mc_list(struct bnx2x *bp)
9173 /* some multicasts */
9174 if (CHIP_IS_E1(bp)) {
9175 return bnx2x_set_e1_mc_list(bp);
9176 } else { /* E1H and newer */
9177 return bnx2x_set_e1h_mc_list(bp);
9181 /* called with netif_tx_lock from dev_mcast.c */
9182 void bnx2x_set_rx_mode(struct net_device *dev)
9184 struct bnx2x *bp = netdev_priv(dev);
9185 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
9187 if (bp->state != BNX2X_STATE_OPEN) {
9188 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
9192 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
9194 if (dev->flags & IFF_PROMISC)
9195 rx_mode = BNX2X_RX_MODE_PROMISC;
9196 else if (dev->flags & IFF_ALLMULTI)
9197 rx_mode = BNX2X_RX_MODE_ALLMULTI;
9199 /* some multicasts */
9200 if (bnx2x_set_mc_list(bp))
9201 rx_mode = BNX2X_RX_MODE_ALLMULTI;
9204 if (bnx2x_set_uc_list(bp))
9205 rx_mode = BNX2X_RX_MODE_PROMISC;
9208 bp->rx_mode = rx_mode;
9209 bnx2x_set_storm_rx_mode(bp);
9212 /* called with rtnl_lock */
9213 static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
9214 int devad, u16 addr)
9216 struct bnx2x *bp = netdev_priv(netdev);
9220 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
9221 prtad, devad, addr);
9223 /* The HW expects different devad if CL22 is used */
9224 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
9226 bnx2x_acquire_phy_lock(bp);
9227 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
9228 bnx2x_release_phy_lock(bp);
9229 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
9236 /* called with rtnl_lock */
9237 static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
9238 u16 addr, u16 value)
9240 struct bnx2x *bp = netdev_priv(netdev);
9243 DP(NETIF_MSG_LINK, "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x,"
9244 " value 0x%x\n", prtad, devad, addr, value);
9246 /* The HW expects different devad if CL22 is used */
9247 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
9249 bnx2x_acquire_phy_lock(bp);
9250 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
9251 bnx2x_release_phy_lock(bp);
9255 /* called with rtnl_lock */
9256 static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9258 struct bnx2x *bp = netdev_priv(dev);
9259 struct mii_ioctl_data *mdio = if_mii(ifr);
9261 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
9262 mdio->phy_id, mdio->reg_num, mdio->val_in);
9264 if (!netif_running(dev))
9267 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
9270 #ifdef CONFIG_NET_POLL_CONTROLLER
9271 static void poll_bnx2x(struct net_device *dev)
9273 struct bnx2x *bp = netdev_priv(dev);
9275 disable_irq(bp->pdev->irq);
9276 bnx2x_interrupt(bp->pdev->irq, dev);
9277 enable_irq(bp->pdev->irq);
9281 static const struct net_device_ops bnx2x_netdev_ops = {
9282 .ndo_open = bnx2x_open,
9283 .ndo_stop = bnx2x_close,
9284 .ndo_start_xmit = bnx2x_start_xmit,
9285 .ndo_select_queue = bnx2x_select_queue,
9286 .ndo_set_rx_mode = bnx2x_set_rx_mode,
9287 .ndo_set_mac_address = bnx2x_change_mac_addr,
9288 .ndo_validate_addr = eth_validate_addr,
9289 .ndo_do_ioctl = bnx2x_ioctl,
9290 .ndo_change_mtu = bnx2x_change_mtu,
9291 .ndo_tx_timeout = bnx2x_tx_timeout,
9292 #ifdef CONFIG_NET_POLL_CONTROLLER
9293 .ndo_poll_controller = poll_bnx2x,
9297 static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
9298 struct net_device *dev)
9303 SET_NETDEV_DEV(dev, &pdev->dev);
9304 bp = netdev_priv(dev);
9309 bp->pf_num = PCI_FUNC(pdev->devfn);
9311 rc = pci_enable_device(pdev);
9313 dev_err(&bp->pdev->dev,
9314 "Cannot enable PCI device, aborting\n");
9318 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
9319 dev_err(&bp->pdev->dev,
9320 "Cannot find PCI device base address, aborting\n");
9322 goto err_out_disable;
9325 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
9326 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
9327 " base address, aborting\n");
9329 goto err_out_disable;
9332 if (atomic_read(&pdev->enable_cnt) == 1) {
9333 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
9335 dev_err(&bp->pdev->dev,
9336 "Cannot obtain PCI resources, aborting\n");
9337 goto err_out_disable;
9340 pci_set_master(pdev);
9341 pci_save_state(pdev);
9344 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
9345 if (bp->pm_cap == 0) {
9346 dev_err(&bp->pdev->dev,
9347 "Cannot find power management capability, aborting\n");
9349 goto err_out_release;
9352 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
9353 if (bp->pcie_cap == 0) {
9354 dev_err(&bp->pdev->dev,
9355 "Cannot find PCI Express capability, aborting\n");
9357 goto err_out_release;
9360 if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) == 0) {
9361 bp->flags |= USING_DAC_FLAG;
9362 if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)) != 0) {
9363 dev_err(&bp->pdev->dev, "dma_set_coherent_mask"
9364 " failed, aborting\n");
9366 goto err_out_release;
9369 } else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
9370 dev_err(&bp->pdev->dev,
9371 "System does not support DMA, aborting\n");
9373 goto err_out_release;
9376 dev->mem_start = pci_resource_start(pdev, 0);
9377 dev->base_addr = dev->mem_start;
9378 dev->mem_end = pci_resource_end(pdev, 0);
9380 dev->irq = pdev->irq;
9382 bp->regview = pci_ioremap_bar(pdev, 0);
9384 dev_err(&bp->pdev->dev,
9385 "Cannot map register space, aborting\n");
9387 goto err_out_release;
9390 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
9391 min_t(u64, BNX2X_DB_SIZE(bp),
9392 pci_resource_len(pdev, 2)));
9393 if (!bp->doorbells) {
9394 dev_err(&bp->pdev->dev,
9395 "Cannot map doorbell space, aborting\n");
9400 bnx2x_set_power_state(bp, PCI_D0);
9402 /* clean indirect addresses */
9403 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
9404 PCICFG_VENDOR_ID_OFFSET);
9405 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
9406 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
9407 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
9408 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
9410 /* Reset the load counter */
9411 bnx2x_clear_load_cnt(bp);
9413 dev->watchdog_timeo = TX_TIMEOUT;
9415 dev->netdev_ops = &bnx2x_netdev_ops;
9416 bnx2x_set_ethtool_ops(dev);
9417 dev->features |= NETIF_F_SG;
9418 dev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
9419 if (bp->flags & USING_DAC_FLAG)
9420 dev->features |= NETIF_F_HIGHDMA;
9421 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
9422 dev->features |= NETIF_F_TSO6;
9423 dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
9425 dev->vlan_features |= NETIF_F_SG;
9426 dev->vlan_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
9427 if (bp->flags & USING_DAC_FLAG)
9428 dev->vlan_features |= NETIF_F_HIGHDMA;
9429 dev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
9430 dev->vlan_features |= NETIF_F_TSO6;
9433 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
9436 /* get_port_hwinfo() will set prtad and mmds properly */
9437 bp->mdio.prtad = MDIO_PRTAD_NONE;
9439 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
9441 bp->mdio.mdio_read = bnx2x_mdio_read;
9442 bp->mdio.mdio_write = bnx2x_mdio_write;
9448 iounmap(bp->regview);
9451 if (bp->doorbells) {
9452 iounmap(bp->doorbells);
9453 bp->doorbells = NULL;
9457 if (atomic_read(&pdev->enable_cnt) == 1)
9458 pci_release_regions(pdev);
9461 pci_disable_device(pdev);
9462 pci_set_drvdata(pdev, NULL);
9468 static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
9469 int *width, int *speed)
9471 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
9473 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
9475 /* return value of 1=2.5GHz 2=5GHz */
9476 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
9479 static int bnx2x_check_firmware(struct bnx2x *bp)
9481 const struct firmware *firmware = bp->firmware;
9482 struct bnx2x_fw_file_hdr *fw_hdr;
9483 struct bnx2x_fw_file_section *sections;
9484 u32 offset, len, num_ops;
9489 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr))
9492 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
9493 sections = (struct bnx2x_fw_file_section *)fw_hdr;
9495 /* Make sure none of the offsets and sizes make us read beyond
9496 * the end of the firmware data */
9497 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
9498 offset = be32_to_cpu(sections[i].offset);
9499 len = be32_to_cpu(sections[i].len);
9500 if (offset + len > firmware->size) {
9501 dev_err(&bp->pdev->dev,
9502 "Section %d length is out of bounds\n", i);
9507 /* Likewise for the init_ops offsets */
9508 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
9509 ops_offsets = (u16 *)(firmware->data + offset);
9510 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
9512 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
9513 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
9514 dev_err(&bp->pdev->dev,
9515 "Section offset %d is out of bounds\n", i);
9520 /* Check FW version */
9521 offset = be32_to_cpu(fw_hdr->fw_version.offset);
9522 fw_ver = firmware->data + offset;
9523 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
9524 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
9525 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
9526 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
9527 dev_err(&bp->pdev->dev,
9528 "Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
9529 fw_ver[0], fw_ver[1], fw_ver[2],
9530 fw_ver[3], BCM_5710_FW_MAJOR_VERSION,
9531 BCM_5710_FW_MINOR_VERSION,
9532 BCM_5710_FW_REVISION_VERSION,
9533 BCM_5710_FW_ENGINEERING_VERSION);
9540 static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
9542 const __be32 *source = (const __be32 *)_source;
9543 u32 *target = (u32 *)_target;
9546 for (i = 0; i < n/4; i++)
9547 target[i] = be32_to_cpu(source[i]);
9551 Ops array is stored in the following format:
9552 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
9554 static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
9556 const __be32 *source = (const __be32 *)_source;
9557 struct raw_op *target = (struct raw_op *)_target;
9560 for (i = 0, j = 0; i < n/8; i++, j += 2) {
9561 tmp = be32_to_cpu(source[j]);
9562 target[i].op = (tmp >> 24) & 0xff;
9563 target[i].offset = tmp & 0xffffff;
9564 target[i].raw_data = be32_to_cpu(source[j + 1]);
9569 * IRO array is stored in the following format:
9570 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
9572 static inline void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
9574 const __be32 *source = (const __be32 *)_source;
9575 struct iro *target = (struct iro *)_target;
9578 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
9579 target[i].base = be32_to_cpu(source[j]);
9581 tmp = be32_to_cpu(source[j]);
9582 target[i].m1 = (tmp >> 16) & 0xffff;
9583 target[i].m2 = tmp & 0xffff;
9585 tmp = be32_to_cpu(source[j]);
9586 target[i].m3 = (tmp >> 16) & 0xffff;
9587 target[i].size = tmp & 0xffff;
9592 static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
9594 const __be16 *source = (const __be16 *)_source;
9595 u16 *target = (u16 *)_target;
9598 for (i = 0; i < n/2; i++)
9599 target[i] = be16_to_cpu(source[i]);
9602 #define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
9604 u32 len = be32_to_cpu(fw_hdr->arr.len); \
9605 bp->arr = kmalloc(len, GFP_KERNEL); \
9607 pr_err("Failed to allocate %d bytes for "#arr"\n", len); \
9610 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
9611 (u8 *)bp->arr, len); \
9614 int bnx2x_init_firmware(struct bnx2x *bp)
9616 const char *fw_file_name;
9617 struct bnx2x_fw_file_hdr *fw_hdr;
9621 fw_file_name = FW_FILE_NAME_E1;
9622 else if (CHIP_IS_E1H(bp))
9623 fw_file_name = FW_FILE_NAME_E1H;
9624 else if (CHIP_IS_E2(bp))
9625 fw_file_name = FW_FILE_NAME_E2;
9627 BNX2X_ERR("Unsupported chip revision\n");
9631 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
9633 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
9635 BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
9636 goto request_firmware_exit;
9639 rc = bnx2x_check_firmware(bp);
9641 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
9642 goto request_firmware_exit;
9645 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
9647 /* Initialize the pointers to the init arrays */
9649 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
9652 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
9655 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
9658 /* STORMs firmware */
9659 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9660 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
9661 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
9662 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
9663 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9664 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
9665 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
9666 be32_to_cpu(fw_hdr->usem_pram_data.offset);
9667 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9668 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
9669 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
9670 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
9671 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9672 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
9673 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
9674 be32_to_cpu(fw_hdr->csem_pram_data.offset);
9676 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
9681 kfree(bp->init_ops_offsets);
9682 init_offsets_alloc_err:
9683 kfree(bp->init_ops);
9685 kfree(bp->init_data);
9686 request_firmware_exit:
9687 release_firmware(bp->firmware);
9692 static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp, int l2_cid_count)
9694 int cid_count = L2_FP_COUNT(l2_cid_count);
9697 cid_count += CNIC_CID_MAX;
9699 return roundup(cid_count, QM_CID_ROUND);
9702 static int __devinit bnx2x_init_one(struct pci_dev *pdev,
9703 const struct pci_device_id *ent)
9705 struct net_device *dev = NULL;
9707 int pcie_width, pcie_speed;
9710 switch (ent->driver_data) {
9714 cid_count = FP_SB_MAX_E1x;
9719 cid_count = FP_SB_MAX_E2;
9723 pr_err("Unknown board_type (%ld), aborting\n",
9728 cid_count += NONE_ETH_CONTEXT_USE + CNIC_CONTEXT_USE;
9730 /* dev zeroed in init_etherdev */
9731 dev = alloc_etherdev_mq(sizeof(*bp), cid_count);
9733 dev_err(&pdev->dev, "Cannot allocate net device\n");
9737 bp = netdev_priv(dev);
9738 bp->msg_enable = debug;
9740 pci_set_drvdata(pdev, dev);
9742 bp->l2_cid_count = cid_count;
9744 rc = bnx2x_init_dev(pdev, dev);
9750 rc = bnx2x_init_bp(bp);
9754 /* calc qm_cid_count */
9755 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp, cid_count);
9758 /* disable FCOE L2 queue for E1x*/
9759 if (CHIP_IS_E1x(bp))
9760 bp->flags |= NO_FCOE_FLAG;
9764 /* Configure interupt mode: try to enable MSI-X/MSI if
9765 * needed, set bp->num_queues appropriately.
9767 bnx2x_set_int_mode(bp);
9769 /* Add all NAPI objects */
9770 bnx2x_add_all_napi(bp);
9772 rc = register_netdev(dev);
9774 dev_err(&pdev->dev, "Cannot register net device\n");
9780 /* Add storage MAC address */
9782 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9787 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
9789 netdev_info(dev, "%s (%c%d) PCI-E x%d %s found at mem %lx,"
9790 " IRQ %d, ", board_info[ent->driver_data].name,
9791 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
9793 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
9794 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
9795 "5GHz (Gen2)" : "2.5GHz",
9796 dev->base_addr, bp->pdev->irq);
9797 pr_cont("node addr %pM\n", dev->dev_addr);
9803 iounmap(bp->regview);
9806 iounmap(bp->doorbells);
9810 if (atomic_read(&pdev->enable_cnt) == 1)
9811 pci_release_regions(pdev);
9813 pci_disable_device(pdev);
9814 pci_set_drvdata(pdev, NULL);
9819 static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
9821 struct net_device *dev = pci_get_drvdata(pdev);
9825 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
9828 bp = netdev_priv(dev);
9831 /* Delete storage MAC address */
9834 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9839 unregister_netdev(dev);
9841 /* Delete all NAPI objects */
9842 bnx2x_del_all_napi(bp);
9844 /* Power on: we can't let PCI layer write to us while we are in D3 */
9845 bnx2x_set_power_state(bp, PCI_D0);
9847 /* Disable MSI/MSI-X */
9848 bnx2x_disable_msi(bp);
9851 bnx2x_set_power_state(bp, PCI_D3hot);
9853 /* Make sure RESET task is not scheduled before continuing */
9854 cancel_delayed_work_sync(&bp->reset_task);
9857 iounmap(bp->regview);
9860 iounmap(bp->doorbells);
9862 bnx2x_free_mem_bp(bp);
9866 if (atomic_read(&pdev->enable_cnt) == 1)
9867 pci_release_regions(pdev);
9869 pci_disable_device(pdev);
9870 pci_set_drvdata(pdev, NULL);
9873 static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
9877 bp->state = BNX2X_STATE_ERROR;
9879 bp->rx_mode = BNX2X_RX_MODE_NONE;
9881 bnx2x_netif_stop(bp, 0);
9882 netif_carrier_off(bp->dev);
9884 del_timer_sync(&bp->timer);
9885 bp->stats_state = STATS_STATE_DISABLED;
9886 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
9891 /* Free SKBs, SGEs, TPA pool and driver internals */
9892 bnx2x_free_skbs(bp);
9894 for_each_rx_queue(bp, i)
9895 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
9899 bp->state = BNX2X_STATE_CLOSED;
9904 static void bnx2x_eeh_recover(struct bnx2x *bp)
9908 mutex_init(&bp->port.phy_mutex);
9910 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
9911 bp->link_params.shmem_base = bp->common.shmem_base;
9912 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
9914 if (!bp->common.shmem_base ||
9915 (bp->common.shmem_base < 0xA0000) ||
9916 (bp->common.shmem_base >= 0xC0000)) {
9917 BNX2X_DEV_INFO("MCP not active\n");
9918 bp->flags |= NO_MCP_FLAG;
9922 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
9923 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9924 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9925 BNX2X_ERR("BAD MCP validity signature\n");
9927 if (!BP_NOMCP(bp)) {
9929 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
9930 DRV_MSG_SEQ_NUMBER_MASK);
9931 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
9936 * bnx2x_io_error_detected - called when PCI error is detected
9937 * @pdev: Pointer to PCI device
9938 * @state: The current pci connection state
9940 * This function is called after a PCI bus error affecting
9941 * this device has been detected.
9943 static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
9944 pci_channel_state_t state)
9946 struct net_device *dev = pci_get_drvdata(pdev);
9947 struct bnx2x *bp = netdev_priv(dev);
9951 netif_device_detach(dev);
9953 if (state == pci_channel_io_perm_failure) {
9955 return PCI_ERS_RESULT_DISCONNECT;
9958 if (netif_running(dev))
9959 bnx2x_eeh_nic_unload(bp);
9961 pci_disable_device(pdev);
9965 /* Request a slot reset */
9966 return PCI_ERS_RESULT_NEED_RESET;
9970 * bnx2x_io_slot_reset - called after the PCI bus has been reset
9971 * @pdev: Pointer to PCI device
9973 * Restart the card from scratch, as if from a cold-boot.
9975 static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
9977 struct net_device *dev = pci_get_drvdata(pdev);
9978 struct bnx2x *bp = netdev_priv(dev);
9982 if (pci_enable_device(pdev)) {
9984 "Cannot re-enable PCI device after reset\n");
9986 return PCI_ERS_RESULT_DISCONNECT;
9989 pci_set_master(pdev);
9990 pci_restore_state(pdev);
9992 if (netif_running(dev))
9993 bnx2x_set_power_state(bp, PCI_D0);
9997 return PCI_ERS_RESULT_RECOVERED;
10001 * bnx2x_io_resume - called when traffic can start flowing again
10002 * @pdev: Pointer to PCI device
10004 * This callback is called when the error recovery driver tells us that
10005 * its OK to resume normal operation.
10007 static void bnx2x_io_resume(struct pci_dev *pdev)
10009 struct net_device *dev = pci_get_drvdata(pdev);
10010 struct bnx2x *bp = netdev_priv(dev);
10012 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
10013 printk(KERN_ERR "Handling parity error recovery. "
10014 "Try again later\n");
10020 bnx2x_eeh_recover(bp);
10022 if (netif_running(dev))
10023 bnx2x_nic_load(bp, LOAD_NORMAL);
10025 netif_device_attach(dev);
10030 static struct pci_error_handlers bnx2x_err_handler = {
10031 .error_detected = bnx2x_io_error_detected,
10032 .slot_reset = bnx2x_io_slot_reset,
10033 .resume = bnx2x_io_resume,
10036 static struct pci_driver bnx2x_pci_driver = {
10037 .name = DRV_MODULE_NAME,
10038 .id_table = bnx2x_pci_tbl,
10039 .probe = bnx2x_init_one,
10040 .remove = __devexit_p(bnx2x_remove_one),
10041 .suspend = bnx2x_suspend,
10042 .resume = bnx2x_resume,
10043 .err_handler = &bnx2x_err_handler,
10046 static int __init bnx2x_init(void)
10050 pr_info("%s", version);
10052 bnx2x_wq = create_singlethread_workqueue("bnx2x");
10053 if (bnx2x_wq == NULL) {
10054 pr_err("Cannot create workqueue\n");
10058 ret = pci_register_driver(&bnx2x_pci_driver);
10060 pr_err("Cannot register driver\n");
10061 destroy_workqueue(bnx2x_wq);
10066 static void __exit bnx2x_cleanup(void)
10068 pci_unregister_driver(&bnx2x_pci_driver);
10070 destroy_workqueue(bnx2x_wq);
10073 module_init(bnx2x_init);
10074 module_exit(bnx2x_cleanup);
10078 /* count denotes the number of new completions we have seen */
10079 static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
10081 struct eth_spe *spe;
10083 #ifdef BNX2X_STOP_ON_ERROR
10084 if (unlikely(bp->panic))
10088 spin_lock_bh(&bp->spq_lock);
10089 BUG_ON(bp->cnic_spq_pending < count);
10090 bp->cnic_spq_pending -= count;
10093 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
10094 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
10095 & SPE_HDR_CONN_TYPE) >>
10096 SPE_HDR_CONN_TYPE_SHIFT;
10098 /* Set validation for iSCSI L2 client before sending SETUP
10101 if (type == ETH_CONNECTION_TYPE) {
10102 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->
10103 hdr.conn_and_cmd_data) >>
10104 SPE_HDR_CMD_ID_SHIFT) & 0xff;
10106 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
10107 bnx2x_set_ctx_validation(&bp->context.
10108 vcxt[BNX2X_ISCSI_ETH_CID].eth,
10109 HW_CID(bp, BNX2X_ISCSI_ETH_CID));
10112 /* There may be not more than 8 L2 and not more than 8 L5 SPEs
10113 * We also check that the number of outstanding
10114 * COMMON ramrods is not more than the EQ and SPQ can
10117 if (type == ETH_CONNECTION_TYPE) {
10118 if (!atomic_read(&bp->cq_spq_left))
10121 atomic_dec(&bp->cq_spq_left);
10122 } else if (type == NONE_CONNECTION_TYPE) {
10123 if (!atomic_read(&bp->eq_spq_left))
10126 atomic_dec(&bp->eq_spq_left);
10127 } else if ((type == ISCSI_CONNECTION_TYPE) ||
10128 (type == FCOE_CONNECTION_TYPE)) {
10129 if (bp->cnic_spq_pending >=
10130 bp->cnic_eth_dev.max_kwqe_pending)
10133 bp->cnic_spq_pending++;
10135 BNX2X_ERR("Unknown SPE type: %d\n", type);
10140 spe = bnx2x_sp_get_next(bp);
10141 *spe = *bp->cnic_kwq_cons;
10143 DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n",
10144 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
10146 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
10147 bp->cnic_kwq_cons = bp->cnic_kwq;
10149 bp->cnic_kwq_cons++;
10151 bnx2x_sp_prod_update(bp);
10152 spin_unlock_bh(&bp->spq_lock);
10155 static int bnx2x_cnic_sp_queue(struct net_device *dev,
10156 struct kwqe_16 *kwqes[], u32 count)
10158 struct bnx2x *bp = netdev_priv(dev);
10161 #ifdef BNX2X_STOP_ON_ERROR
10162 if (unlikely(bp->panic))
10166 spin_lock_bh(&bp->spq_lock);
10168 for (i = 0; i < count; i++) {
10169 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
10171 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
10174 *bp->cnic_kwq_prod = *spe;
10176 bp->cnic_kwq_pending++;
10178 DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n",
10179 spe->hdr.conn_and_cmd_data, spe->hdr.type,
10180 spe->data.update_data_addr.hi,
10181 spe->data.update_data_addr.lo,
10182 bp->cnic_kwq_pending);
10184 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
10185 bp->cnic_kwq_prod = bp->cnic_kwq;
10187 bp->cnic_kwq_prod++;
10190 spin_unlock_bh(&bp->spq_lock);
10192 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
10193 bnx2x_cnic_sp_post(bp, 0);
10198 static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
10200 struct cnic_ops *c_ops;
10203 mutex_lock(&bp->cnic_mutex);
10204 c_ops = rcu_dereference_protected(bp->cnic_ops,
10205 lockdep_is_held(&bp->cnic_mutex));
10207 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
10208 mutex_unlock(&bp->cnic_mutex);
10213 static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
10215 struct cnic_ops *c_ops;
10219 c_ops = rcu_dereference(bp->cnic_ops);
10221 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
10228 * for commands that have no data
10230 int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
10232 struct cnic_ctl_info ctl = {0};
10236 return bnx2x_cnic_ctl_send(bp, &ctl);
10239 static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid)
10241 struct cnic_ctl_info ctl;
10243 /* first we tell CNIC and only then we count this as a completion */
10244 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
10245 ctl.data.comp.cid = cid;
10247 bnx2x_cnic_ctl_send_bh(bp, &ctl);
10248 bnx2x_cnic_sp_post(bp, 0);
10251 static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
10253 struct bnx2x *bp = netdev_priv(dev);
10256 switch (ctl->cmd) {
10257 case DRV_CTL_CTXTBL_WR_CMD: {
10258 u32 index = ctl->data.io.offset;
10259 dma_addr_t addr = ctl->data.io.dma_addr;
10261 bnx2x_ilt_wr(bp, index, addr);
10265 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
10266 int count = ctl->data.credit.credit_count;
10268 bnx2x_cnic_sp_post(bp, count);
10272 /* rtnl_lock is held. */
10273 case DRV_CTL_START_L2_CMD: {
10274 u32 cli = ctl->data.ring.client_id;
10276 /* Clear FCoE FIP and ALL ENODE MACs addresses first */
10277 bnx2x_del_fcoe_eth_macs(bp);
10279 /* Set iSCSI MAC address */
10280 bnx2x_set_iscsi_eth_mac_addr(bp, 1);
10285 /* Start accepting on iSCSI L2 ring. Accept all multicasts
10286 * because it's the only way for UIO Client to accept
10287 * multicasts (in non-promiscuous mode only one Client per
10288 * function will receive multicast packets (leading in our
10291 bnx2x_rxq_set_mac_filters(bp, cli,
10292 BNX2X_ACCEPT_UNICAST |
10293 BNX2X_ACCEPT_BROADCAST |
10294 BNX2X_ACCEPT_ALL_MULTICAST);
10295 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10300 /* rtnl_lock is held. */
10301 case DRV_CTL_STOP_L2_CMD: {
10302 u32 cli = ctl->data.ring.client_id;
10304 /* Stop accepting on iSCSI L2 ring */
10305 bnx2x_rxq_set_mac_filters(bp, cli, BNX2X_ACCEPT_NONE);
10306 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10311 /* Unset iSCSI L2 MAC */
10312 bnx2x_set_iscsi_eth_mac_addr(bp, 0);
10315 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
10316 int count = ctl->data.credit.credit_count;
10318 smp_mb__before_atomic_inc();
10319 atomic_add(count, &bp->cq_spq_left);
10320 smp_mb__after_atomic_inc();
10325 BNX2X_ERR("unknown command %x\n", ctl->cmd);
10332 void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
10334 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10336 if (bp->flags & USING_MSIX_FLAG) {
10337 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
10338 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
10339 cp->irq_arr[0].vector = bp->msix_table[1].vector;
10341 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
10342 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
10344 if (CHIP_IS_E2(bp))
10345 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
10347 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
10349 cp->irq_arr[0].status_blk_num = CNIC_SB_ID(bp);
10350 cp->irq_arr[0].status_blk_num2 = CNIC_IGU_SB_ID(bp);
10351 cp->irq_arr[1].status_blk = bp->def_status_blk;
10352 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
10353 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
10358 static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
10361 struct bnx2x *bp = netdev_priv(dev);
10362 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10367 if (atomic_read(&bp->intr_sem) != 0)
10370 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
10374 bp->cnic_kwq_cons = bp->cnic_kwq;
10375 bp->cnic_kwq_prod = bp->cnic_kwq;
10376 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
10378 bp->cnic_spq_pending = 0;
10379 bp->cnic_kwq_pending = 0;
10381 bp->cnic_data = data;
10384 cp->drv_state = CNIC_DRV_STATE_REGD;
10385 cp->iro_arr = bp->iro_arr;
10387 bnx2x_setup_cnic_irq_info(bp);
10389 rcu_assign_pointer(bp->cnic_ops, ops);
10394 static int bnx2x_unregister_cnic(struct net_device *dev)
10396 struct bnx2x *bp = netdev_priv(dev);
10397 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10399 mutex_lock(&bp->cnic_mutex);
10401 rcu_assign_pointer(bp->cnic_ops, NULL);
10402 mutex_unlock(&bp->cnic_mutex);
10404 kfree(bp->cnic_kwq);
10405 bp->cnic_kwq = NULL;
10410 struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
10412 struct bnx2x *bp = netdev_priv(dev);
10413 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10415 /* If both iSCSI and FCoE are disabled - return NULL in
10416 * order to indicate CNIC that it should not try to work
10417 * with this device.
10419 if (NO_ISCSI(bp) && NO_FCOE(bp))
10422 cp->drv_owner = THIS_MODULE;
10423 cp->chip_id = CHIP_ID(bp);
10424 cp->pdev = bp->pdev;
10425 cp->io_base = bp->regview;
10426 cp->io_base2 = bp->doorbells;
10427 cp->max_kwqe_pending = 8;
10428 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
10429 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
10430 bnx2x_cid_ilt_lines(bp);
10431 cp->ctx_tbl_len = CNIC_ILT_LINES;
10432 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
10433 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
10434 cp->drv_ctl = bnx2x_drv_ctl;
10435 cp->drv_register_cnic = bnx2x_register_cnic;
10436 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
10437 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
10438 cp->iscsi_l2_client_id = BNX2X_ISCSI_ETH_CL_ID +
10439 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
10440 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;
10442 if (NO_ISCSI_OOO(bp))
10443 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
10446 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
10449 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
10451 DP(BNX2X_MSG_SP, "page_size %d, tbl_offset %d, tbl_lines %d, "
10452 "starting cid %d\n",
10454 cp->ctx_tbl_offset,
10459 EXPORT_SYMBOL(bnx2x_cnic_probe);
10461 #endif /* BCM_CNIC */