1 /* bnx2x.h: Broadcom Everest network driver.
3 * Copyright (c) 2007-2013 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: Ariel Elior <ariel.elior@qlogic.com>
10 * Written by: Eliezer Tamir
11 * Based on code from Michael Chan's bnx2 driver
17 #include <linux/pci.h>
18 #include <linux/netdevice.h>
19 #include <linux/dma-mapping.h>
20 #include <linux/types.h>
21 #include <linux/pci_regs.h>
23 #include <linux/ptp_clock_kernel.h>
24 #include <linux/net_tstamp.h>
25 #include <linux/timecounter.h>
27 /* compilation time flags */
29 /* define this to make the driver freeze on error to allow getting debug info
30 * (you will need to reboot afterwards) */
31 /* #define BNX2X_STOP_ON_ERROR */
33 #define DRV_MODULE_VERSION "1.710.51-0"
34 #define DRV_MODULE_RELDATE "2014/02/10"
35 #define BNX2X_BC_VER 0x040200
37 #if defined(CONFIG_DCB)
41 #include "bnx2x_hsi.h"
43 #include "../cnic_if.h"
45 #define BNX2X_MIN_MSIX_VEC_CNT(bp) ((bp)->min_msix_vec_cnt)
47 #include <linux/mdio.h>
49 #include "bnx2x_reg.h"
50 #include "bnx2x_fw_defs.h"
51 #include "bnx2x_mfw_req.h"
52 #include "bnx2x_link.h"
54 #include "bnx2x_dcb.h"
55 #include "bnx2x_stats.h"
56 #include "bnx2x_vfpf.h"
64 /* error/debug prints */
66 #define DRV_MODULE_NAME "bnx2x"
68 /* for messages that are currently off */
69 #define BNX2X_MSG_OFF 0x0
70 #define BNX2X_MSG_MCP 0x0010000 /* was: NETIF_MSG_HW */
71 #define BNX2X_MSG_STATS 0x0020000 /* was: NETIF_MSG_TIMER */
72 #define BNX2X_MSG_NVM 0x0040000 /* was: NETIF_MSG_HW */
73 #define BNX2X_MSG_DMAE 0x0080000 /* was: NETIF_MSG_HW */
74 #define BNX2X_MSG_SP 0x0100000 /* was: NETIF_MSG_INTR */
75 #define BNX2X_MSG_FP 0x0200000 /* was: NETIF_MSG_INTR */
76 #define BNX2X_MSG_IOV 0x0800000
77 #define BNX2X_MSG_PTP 0x1000000
78 #define BNX2X_MSG_IDLE 0x2000000 /* used for idle check*/
79 #define BNX2X_MSG_ETHTOOL 0x4000000
80 #define BNX2X_MSG_DCB 0x8000000
82 /* regular debug print */
83 #define DP_INNER(fmt, ...) \
84 pr_notice("[%s:%d(%s)]" fmt, \
86 bp->dev ? (bp->dev->name) : "?", \
89 #define DP(__mask, fmt, ...) \
91 if (unlikely(bp->msg_enable & (__mask))) \
92 DP_INNER(fmt, ##__VA_ARGS__); \
95 #define DP_AND(__mask, fmt, ...) \
97 if (unlikely((bp->msg_enable & (__mask)) == __mask)) \
98 DP_INNER(fmt, ##__VA_ARGS__); \
101 #define DP_CONT(__mask, fmt, ...) \
103 if (unlikely(bp->msg_enable & (__mask))) \
104 pr_cont(fmt, ##__VA_ARGS__); \
107 /* errors debug print */
108 #define BNX2X_DBG_ERR(fmt, ...) \
110 if (unlikely(netif_msg_probe(bp))) \
111 pr_err("[%s:%d(%s)]" fmt, \
112 __func__, __LINE__, \
113 bp->dev ? (bp->dev->name) : "?", \
117 /* for errors (never masked) */
118 #define BNX2X_ERR(fmt, ...) \
120 pr_err("[%s:%d(%s)]" fmt, \
121 __func__, __LINE__, \
122 bp->dev ? (bp->dev->name) : "?", \
126 #define BNX2X_ERROR(fmt, ...) \
127 pr_err("[%s:%d]" fmt, __func__, __LINE__, ##__VA_ARGS__)
129 /* before we have a dev->name use dev_info() */
130 #define BNX2X_DEV_INFO(fmt, ...) \
132 if (unlikely(netif_msg_probe(bp))) \
133 dev_info(&bp->pdev->dev, fmt, ##__VA_ARGS__); \
137 void bnx2x_panic_dump(struct bnx2x *bp, bool disable_int);
138 #ifdef BNX2X_STOP_ON_ERROR
139 #define bnx2x_panic() \
142 BNX2X_ERR("driver assert\n"); \
143 bnx2x_panic_dump(bp, true); \
146 #define bnx2x_panic() \
149 BNX2X_ERR("driver assert\n"); \
150 bnx2x_panic_dump(bp, false); \
154 #define bnx2x_mc_addr(ha) ((ha)->addr)
155 #define bnx2x_uc_addr(ha) ((ha)->addr)
157 #define U64_LO(x) ((u32)(((u64)(x)) & 0xffffffff))
158 #define U64_HI(x) ((u32)(((u64)(x)) >> 32))
159 #define HILO_U64(hi, lo) ((((u64)(hi)) << 32) + (lo))
161 #define REG_ADDR(bp, offset) ((bp->regview) + (offset))
163 #define REG_RD(bp, offset) readl(REG_ADDR(bp, offset))
164 #define REG_RD8(bp, offset) readb(REG_ADDR(bp, offset))
165 #define REG_RD16(bp, offset) readw(REG_ADDR(bp, offset))
167 #define REG_WR(bp, offset, val) writel((u32)val, REG_ADDR(bp, offset))
168 #define REG_WR8(bp, offset, val) writeb((u8)val, REG_ADDR(bp, offset))
169 #define REG_WR16(bp, offset, val) writew((u16)val, REG_ADDR(bp, offset))
171 #define REG_RD_IND(bp, offset) bnx2x_reg_rd_ind(bp, offset)
172 #define REG_WR_IND(bp, offset, val) bnx2x_reg_wr_ind(bp, offset, val)
174 #define REG_RD_DMAE(bp, offset, valp, len32) \
176 bnx2x_read_dmae(bp, offset, len32);\
177 memcpy(valp, bnx2x_sp(bp, wb_data[0]), (len32) * 4); \
180 #define REG_WR_DMAE(bp, offset, valp, len32) \
182 memcpy(bnx2x_sp(bp, wb_data[0]), valp, (len32) * 4); \
183 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data), \
187 #define REG_WR_DMAE_LEN(bp, offset, valp, len32) \
188 REG_WR_DMAE(bp, offset, valp, len32)
190 #define VIRT_WR_DMAE_LEN(bp, data, addr, len32, le32_swap) \
192 memcpy(GUNZIP_BUF(bp), data, (len32) * 4); \
193 bnx2x_write_big_buf_wb(bp, addr, len32); \
196 #define SHMEM_ADDR(bp, field) (bp->common.shmem_base + \
197 offsetof(struct shmem_region, field))
198 #define SHMEM_RD(bp, field) REG_RD(bp, SHMEM_ADDR(bp, field))
199 #define SHMEM_WR(bp, field, val) REG_WR(bp, SHMEM_ADDR(bp, field), val)
201 #define SHMEM2_ADDR(bp, field) (bp->common.shmem2_base + \
202 offsetof(struct shmem2_region, field))
203 #define SHMEM2_RD(bp, field) REG_RD(bp, SHMEM2_ADDR(bp, field))
204 #define SHMEM2_WR(bp, field, val) REG_WR(bp, SHMEM2_ADDR(bp, field), val)
205 #define MF_CFG_ADDR(bp, field) (bp->common.mf_cfg_base + \
206 offsetof(struct mf_cfg, field))
207 #define MF2_CFG_ADDR(bp, field) (bp->common.mf2_cfg_base + \
208 offsetof(struct mf2_cfg, field))
210 #define MF_CFG_RD(bp, field) REG_RD(bp, MF_CFG_ADDR(bp, field))
211 #define MF_CFG_WR(bp, field, val) REG_WR(bp,\
212 MF_CFG_ADDR(bp, field), (val))
213 #define MF2_CFG_RD(bp, field) REG_RD(bp, MF2_CFG_ADDR(bp, field))
215 #define SHMEM2_HAS(bp, field) ((bp)->common.shmem2_base && \
216 (SHMEM2_RD((bp), size) > \
217 offsetof(struct shmem2_region, field)))
219 #define EMAC_RD(bp, reg) REG_RD(bp, emac_base + reg)
220 #define EMAC_WR(bp, reg, val) REG_WR(bp, emac_base + reg, val)
224 /* General SP events - stats query, cfc delete, etc */
225 #define HC_SP_INDEX_ETH_DEF_CONS 3
228 #define HC_SP_INDEX_EQ_CONS 7
230 /* FCoE L2 connection completions */
231 #define HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS 6
232 #define HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS 4
234 #define HC_SP_INDEX_ETH_ISCSI_CQ_CONS 5
235 #define HC_SP_INDEX_ETH_ISCSI_RX_CQ_CONS 1
237 /* Special clients parameters */
241 #define BNX2X_FCOE_L2_RX_INDEX \
242 (&bp->def_status_blk->sp_sb.\
243 index_values[HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS])
245 #define BNX2X_FCOE_L2_TX_INDEX \
246 (&bp->def_status_blk->sp_sb.\
247 index_values[HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS])
251 * CLIDs below is a CLID for func 0, then the CLID for other
252 * functions will be calculated by the formula:
254 * FUNC_N_CLID_X = N * NUM_SPECIAL_CLIENTS + FUNC_0_CLID_X
258 BNX2X_ISCSI_ETH_CL_ID_IDX,
259 BNX2X_FCOE_ETH_CL_ID_IDX,
260 BNX2X_MAX_CNIC_ETH_CL_ID_IDX,
263 /* use a value high enough to be above all the PFs, which has least significant
264 * nibble as 8, so when cnic needs to come up with a CID for UIO to use to
265 * calculate doorbell address according to old doorbell configuration scheme
266 * (db_msg_sz 1 << 7 * cid + 0x40 DPM offset) it can come up with a valid number
267 * We must avoid coming up with cid 8 for iscsi since according to this method
268 * the designated UIO cid will come out 0 and it has a special handling for that
269 * case which doesn't suit us. Therefore will will cieling to closes cid which
270 * has least signigifcant nibble 8 and if it is 8 we will move forward to 0x18.
273 #define BNX2X_1st_NON_L2_ETH_CID(bp) (BNX2X_NUM_NON_CNIC_QUEUES(bp) * \
275 /* amount of cids traversed by UIO's DPM addition to doorbell */
277 /* roundup to DPM offset */
278 #define UIO_ROUNDUP(bp) (roundup(BNX2X_1st_NON_L2_ETH_CID(bp), \
280 /* offset to nearest value which has lsb nibble matching DPM */
281 #define UIO_CID_OFFSET(bp) ((UIO_ROUNDUP(bp) + UIO_DPM) % \
283 /* add offset to rounded-up cid to get a value which could be used with UIO */
284 #define UIO_DPM_ALIGN(bp) (UIO_ROUNDUP(bp) + UIO_CID_OFFSET(bp))
285 /* but wait - avoid UIO special case for cid 0 */
286 #define UIO_DPM_CID0_OFFSET(bp) ((UIO_DPM * 2) * \
287 (UIO_DPM_ALIGN(bp) == UIO_DPM))
288 /* Properly DPM aligned CID dajusted to cid 0 secal case */
289 #define BNX2X_CNIC_START_ETH_CID(bp) (UIO_DPM_ALIGN(bp) + \
290 (UIO_DPM_CID0_OFFSET(bp)))
291 /* how many cids were wasted - need this value for cid allocation */
292 #define UIO_CID_PAD(bp) (BNX2X_CNIC_START_ETH_CID(bp) - \
293 BNX2X_1st_NON_L2_ETH_CID(bp))
295 #define BNX2X_ISCSI_ETH_CID(bp) (BNX2X_CNIC_START_ETH_CID(bp))
297 #define BNX2X_FCOE_ETH_CID(bp) (BNX2X_CNIC_START_ETH_CID(bp) + 1)
299 #define CNIC_SUPPORT(bp) ((bp)->cnic_support)
300 #define CNIC_ENABLED(bp) ((bp)->cnic_enabled)
301 #define CNIC_LOADED(bp) ((bp)->cnic_loaded)
302 #define FCOE_INIT(bp) ((bp)->fcoe_init)
304 #define AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR \
305 AEU_INPUTS_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR
310 /* defines for multiple tx priority indices */
311 #define FIRST_TX_ONLY_COS_INDEX 1
312 #define FIRST_TX_COS_INDEX 0
314 /* rules for calculating the cids of tx-only connections */
315 #define CID_TO_FP(cid, bp) ((cid) % BNX2X_NUM_NON_CNIC_QUEUES(bp))
316 #define CID_COS_TO_TX_ONLY_CID(cid, cos, bp) \
317 (cid + cos * BNX2X_NUM_NON_CNIC_QUEUES(bp))
319 /* fp index inside class of service range */
320 #define FP_COS_TO_TXQ(fp, cos, bp) \
321 ((fp)->index + cos * BNX2X_NUM_NON_CNIC_QUEUES(bp))
323 /* Indexes for transmission queues array:
324 * txdata for RSS i CoS j is at location i + (j * num of RSS)
325 * txdata for FCoE (if exist) is at location max cos * num of RSS
326 * txdata for FWD (if exist) is one location after FCoE
327 * txdata for OOO (if exist) is one location after FWD
334 #define MAX_ETH_TXQ_IDX(bp) (BNX2X_NUM_NON_CNIC_QUEUES(bp) * (bp)->max_cos)
335 #define FCOE_TXQ_IDX(bp) (MAX_ETH_TXQ_IDX(bp) + FCOE_TXQ_IDX_OFFSET)
339 * This driver uses new build_skb() API :
340 * RX ring buffer contains pointer to kmalloc() data only,
341 * skb are built only after Hardware filled the frame.
345 DEFINE_DMA_UNMAP_ADDR(mapping);
352 /* Set on the first BD descriptor when there is a split BD */
353 #define BNX2X_TSO_SPLIT_BD (1<<0)
354 #define BNX2X_HAS_SECOND_PBD (1<<1)
359 DEFINE_DMA_UNMAP_ADDR(mapping);
364 struct doorbell_set_prod data;
368 /* dropless fc FW/HW related params */
369 #define BRB_SIZE(bp) (CHIP_IS_E3(bp) ? 1024 : 512)
370 #define MAX_AGG_QS(bp) (CHIP_IS_E1(bp) ? \
371 ETH_MAX_AGGREGATION_QUEUES_E1 :\
372 ETH_MAX_AGGREGATION_QUEUES_E1H_E2)
373 #define FW_DROP_LEVEL(bp) (3 + MAX_SPQ_PENDING + MAX_AGG_QS(bp))
374 #define FW_PREFETCH_CNT 16
375 #define DROPLESS_FC_HEADROOM 100
378 #define BCM_PAGE_SHIFT 12
379 #define BCM_PAGE_SIZE (1 << BCM_PAGE_SHIFT)
380 #define BCM_PAGE_MASK (~(BCM_PAGE_SIZE - 1))
381 #define BCM_PAGE_ALIGN(addr) (((addr) + BCM_PAGE_SIZE - 1) & BCM_PAGE_MASK)
383 #define PAGES_PER_SGE_SHIFT 0
384 #define PAGES_PER_SGE (1 << PAGES_PER_SGE_SHIFT)
385 #define SGE_PAGE_SHIFT 12
386 #define SGE_PAGE_SIZE (1 << SGE_PAGE_SHIFT)
387 #define SGE_PAGE_MASK (~(SGE_PAGE_SIZE - 1))
388 #define SGE_PAGE_ALIGN(addr) (((addr) + SGE_PAGE_SIZE - 1) & SGE_PAGE_MASK)
389 #define SGE_PAGES (SGE_PAGE_SIZE * PAGES_PER_SGE)
390 #define TPA_AGG_SIZE min_t(u32, (min_t(u32, 8, MAX_SKB_FRAGS) * \
393 /* SGE ring related macros */
394 #define NUM_RX_SGE_PAGES 2
395 #define RX_SGE_CNT (BCM_PAGE_SIZE / sizeof(struct eth_rx_sge))
396 #define NEXT_PAGE_SGE_DESC_CNT 2
397 #define MAX_RX_SGE_CNT (RX_SGE_CNT - NEXT_PAGE_SGE_DESC_CNT)
398 /* RX_SGE_CNT is promised to be a power of 2 */
399 #define RX_SGE_MASK (RX_SGE_CNT - 1)
400 #define NUM_RX_SGE (RX_SGE_CNT * NUM_RX_SGE_PAGES)
401 #define MAX_RX_SGE (NUM_RX_SGE - 1)
402 #define NEXT_SGE_IDX(x) ((((x) & RX_SGE_MASK) == \
403 (MAX_RX_SGE_CNT - 1)) ? \
404 (x) + 1 + NEXT_PAGE_SGE_DESC_CNT : \
406 #define RX_SGE(x) ((x) & MAX_RX_SGE)
409 * Number of required SGEs is the sum of two:
410 * 1. Number of possible opened aggregations (next packet for
411 * these aggregations will probably consume SGE immediately)
412 * 2. Rest of BRB blocks divided by 2 (block will consume new SGE only
413 * after placement on BD for new TPA aggregation)
415 * Takes into account NEXT_PAGE_SGE_DESC_CNT "next" elements on each page
417 #define NUM_SGE_REQ (MAX_AGG_QS(bp) + \
418 (BRB_SIZE(bp) - MAX_AGG_QS(bp)) / 2)
419 #define NUM_SGE_PG_REQ ((NUM_SGE_REQ + MAX_RX_SGE_CNT - 1) / \
421 #define SGE_TH_LO(bp) (NUM_SGE_REQ + \
422 NUM_SGE_PG_REQ * NEXT_PAGE_SGE_DESC_CNT)
423 #define SGE_TH_HI(bp) (SGE_TH_LO(bp) + DROPLESS_FC_HEADROOM)
425 /* Manipulate a bit vector defined as an array of u64 */
427 /* Number of bits in one sge_mask array element */
428 #define BIT_VEC64_ELEM_SZ 64
429 #define BIT_VEC64_ELEM_SHIFT 6
430 #define BIT_VEC64_ELEM_MASK ((u64)BIT_VEC64_ELEM_SZ - 1)
432 #define __BIT_VEC64_SET_BIT(el, bit) \
434 el = ((el) | ((u64)0x1 << (bit))); \
437 #define __BIT_VEC64_CLEAR_BIT(el, bit) \
439 el = ((el) & (~((u64)0x1 << (bit)))); \
442 #define BIT_VEC64_SET_BIT(vec64, idx) \
443 __BIT_VEC64_SET_BIT((vec64)[(idx) >> BIT_VEC64_ELEM_SHIFT], \
444 (idx) & BIT_VEC64_ELEM_MASK)
446 #define BIT_VEC64_CLEAR_BIT(vec64, idx) \
447 __BIT_VEC64_CLEAR_BIT((vec64)[(idx) >> BIT_VEC64_ELEM_SHIFT], \
448 (idx) & BIT_VEC64_ELEM_MASK)
450 #define BIT_VEC64_TEST_BIT(vec64, idx) \
451 (((vec64)[(idx) >> BIT_VEC64_ELEM_SHIFT] >> \
452 ((idx) & BIT_VEC64_ELEM_MASK)) & 0x1)
454 /* Creates a bitmask of all ones in less significant bits.
455 idx - index of the most significant bit in the created mask */
456 #define BIT_VEC64_ONES_MASK(idx) \
457 (((u64)0x1 << (((idx) & BIT_VEC64_ELEM_MASK) + 1)) - 1)
458 #define BIT_VEC64_ELEM_ONE_MASK ((u64)(~0))
460 /*******************************************************/
462 /* Number of u64 elements in SGE mask array */
463 #define RX_SGE_MASK_LEN (NUM_RX_SGE / BIT_VEC64_ELEM_SZ)
464 #define RX_SGE_MASK_LEN_MASK (RX_SGE_MASK_LEN - 1)
465 #define NEXT_SGE_MASK_ELEM(el) (((el) + 1) & RX_SGE_MASK_LEN_MASK)
467 union host_hc_status_block {
468 /* pointer to fp status block e1x */
469 struct host_hc_status_block_e1x *e1x_sb;
470 /* pointer to fp status block e2 */
471 struct host_hc_status_block_e2 *e2_sb;
474 struct bnx2x_agg_info {
476 * First aggregation buffer is a data buffer, the following - are pages.
477 * We will preallocate the data buffer for each aggregation when
478 * we open the interface and will replace the BD at the consumer
479 * with this one when we receive the TPA_START CQE in order to
480 * keep the Rx BD ring consistent.
482 struct sw_rx_bd first_buf;
484 #define BNX2X_TPA_START 1
485 #define BNX2X_TPA_STOP 2
486 #define BNX2X_TPA_ERROR 3
492 enum pkt_hash_types rxhash_type;
497 #define Q_STATS_OFFSET32(stat_name) \
498 (offsetof(struct bnx2x_eth_q_stats, stat_name) / 4)
500 struct bnx2x_fp_txdata {
502 struct sw_tx_bd *tx_buf_ring;
504 union eth_tx_bd_types *tx_desc_ring;
505 dma_addr_t tx_desc_mapping;
516 unsigned long tx_pkt;
521 struct bnx2x_fastpath *parent_fp;
525 enum bnx2x_tpa_mode_t {
531 struct bnx2x_alloc_pool {
537 struct bnx2x_fastpath {
538 struct bnx2x *bp; /* parent */
540 struct napi_struct napi;
542 #ifdef CONFIG_NET_RX_BUSY_POLL
543 unsigned long busy_poll_state;
546 union host_hc_status_block status_blk;
547 /* chip independent shortcuts into sb structure */
548 __le16 *sb_index_values;
549 __le16 *sb_running_index;
550 /* chip independent shortcut into rx_prods_offset memory */
551 u32 ustorm_rx_prods_offset;
554 u32 rx_frag_size; /* 0 if kmalloced(), or rx_buf_size + NET_SKB_PAD */
555 dma_addr_t status_blk_mapping;
557 enum bnx2x_tpa_mode_t mode;
559 u8 max_cos; /* actual number of active tx coses */
560 struct bnx2x_fp_txdata *txdata_ptr[BNX2X_MULTI_TX_COS];
562 struct sw_rx_bd *rx_buf_ring; /* BDs mappings ring */
563 struct sw_rx_page *rx_page_ring; /* SGE pages mappings ring */
565 struct eth_rx_bd *rx_desc_ring;
566 dma_addr_t rx_desc_mapping;
568 union eth_rx_cqe *rx_comp_ring;
569 dma_addr_t rx_comp_mapping;
572 struct eth_rx_sge *rx_sge_ring;
573 dma_addr_t rx_sge_mapping;
575 u64 sge_mask[RX_SGE_MASK_LEN];
581 u8 index; /* number in fp array */
582 u8 rx_queue; /* index for skb_record */
583 u8 cl_id; /* eth client id */
585 u8 fw_sb_id; /* status block number in FW */
586 u8 igu_sb_id; /* status block number in HW */
593 /* The last maximal completed SGE */
596 unsigned long rx_pkt,
600 struct bnx2x_agg_info *tpa_info;
601 #ifdef BNX2X_STOP_ON_ERROR
604 /* The size is calculated using the following:
605 sizeof name field from netdev structure +
607 4 (for the digits and to make it DWORD aligned) */
608 #define FP_NAME_SIZE (sizeof(((struct net_device *)0)->name) + 8)
609 char name[FP_NAME_SIZE];
611 struct bnx2x_alloc_pool page_pool;
614 #define bnx2x_fp(bp, nr, var) ((bp)->fp[(nr)].var)
615 #define bnx2x_sp_obj(bp, fp) ((bp)->sp_objs[(fp)->index])
616 #define bnx2x_fp_stats(bp, fp) (&((bp)->fp_stats[(fp)->index]))
617 #define bnx2x_fp_qstats(bp, fp) (&((bp)->fp_stats[(fp)->index].eth_q_stats))
619 #ifdef CONFIG_NET_RX_BUSY_POLL
621 enum bnx2x_fp_state {
622 BNX2X_STATE_FP_NAPI = BIT(0), /* NAPI handler owns the queue */
624 BNX2X_STATE_FP_NAPI_REQ_BIT = 1, /* NAPI would like to own the queue */
625 BNX2X_STATE_FP_NAPI_REQ = BIT(1),
627 BNX2X_STATE_FP_POLL_BIT = 2,
628 BNX2X_STATE_FP_POLL = BIT(2), /* busy_poll owns the queue */
630 BNX2X_STATE_FP_DISABLE_BIT = 3, /* queue is dismantled */
633 static inline void bnx2x_fp_busy_poll_init(struct bnx2x_fastpath *fp)
635 WRITE_ONCE(fp->busy_poll_state, 0);
638 /* called from the device poll routine to get ownership of a FP */
639 static inline bool bnx2x_fp_lock_napi(struct bnx2x_fastpath *fp)
641 unsigned long prev, old = READ_ONCE(fp->busy_poll_state);
645 case BNX2X_STATE_FP_POLL:
646 /* make sure bnx2x_fp_lock_poll() wont starve us */
647 set_bit(BNX2X_STATE_FP_NAPI_REQ_BIT,
648 &fp->busy_poll_state);
650 case BNX2X_STATE_FP_POLL | BNX2X_STATE_FP_NAPI_REQ:
655 prev = cmpxchg(&fp->busy_poll_state, old, BNX2X_STATE_FP_NAPI);
656 if (unlikely(prev != old)) {
664 static inline void bnx2x_fp_unlock_napi(struct bnx2x_fastpath *fp)
667 fp->busy_poll_state = 0;
670 /* called from bnx2x_low_latency_poll() */
671 static inline bool bnx2x_fp_lock_poll(struct bnx2x_fastpath *fp)
673 return cmpxchg(&fp->busy_poll_state, 0, BNX2X_STATE_FP_POLL) == 0;
676 static inline void bnx2x_fp_unlock_poll(struct bnx2x_fastpath *fp)
678 smp_mb__before_atomic();
679 clear_bit(BNX2X_STATE_FP_POLL_BIT, &fp->busy_poll_state);
682 /* true if a socket is polling */
683 static inline bool bnx2x_fp_ll_polling(struct bnx2x_fastpath *fp)
685 return READ_ONCE(fp->busy_poll_state) & BNX2X_STATE_FP_POLL;
688 /* false if fp is currently owned */
689 static inline bool bnx2x_fp_ll_disable(struct bnx2x_fastpath *fp)
691 set_bit(BNX2X_STATE_FP_DISABLE_BIT, &fp->busy_poll_state);
692 return !bnx2x_fp_ll_polling(fp);
696 static inline void bnx2x_fp_busy_poll_init(struct bnx2x_fastpath *fp)
700 static inline bool bnx2x_fp_lock_napi(struct bnx2x_fastpath *fp)
705 static inline void bnx2x_fp_unlock_napi(struct bnx2x_fastpath *fp)
709 static inline bool bnx2x_fp_lock_poll(struct bnx2x_fastpath *fp)
714 static inline void bnx2x_fp_unlock_poll(struct bnx2x_fastpath *fp)
718 static inline bool bnx2x_fp_ll_polling(struct bnx2x_fastpath *fp)
722 static inline bool bnx2x_fp_ll_disable(struct bnx2x_fastpath *fp)
726 #endif /* CONFIG_NET_RX_BUSY_POLL */
728 /* Use 2500 as a mini-jumbo MTU for FCoE */
729 #define BNX2X_FCOE_MINI_JUMBO_MTU 2500
731 #define FCOE_IDX_OFFSET 0
733 #define FCOE_IDX(bp) (BNX2X_NUM_NON_CNIC_QUEUES(bp) + \
735 #define bnx2x_fcoe_fp(bp) (&bp->fp[FCOE_IDX(bp)])
736 #define bnx2x_fcoe(bp, var) (bnx2x_fcoe_fp(bp)->var)
737 #define bnx2x_fcoe_inner_sp_obj(bp) (&bp->sp_objs[FCOE_IDX(bp)])
738 #define bnx2x_fcoe_sp_obj(bp, var) (bnx2x_fcoe_inner_sp_obj(bp)->var)
739 #define bnx2x_fcoe_tx(bp, var) (bnx2x_fcoe_fp(bp)-> \
740 txdata_ptr[FIRST_TX_COS_INDEX] \
743 #define IS_ETH_FP(fp) ((fp)->index < BNX2X_NUM_ETH_QUEUES((fp)->bp))
744 #define IS_FCOE_FP(fp) ((fp)->index == FCOE_IDX((fp)->bp))
745 #define IS_FCOE_IDX(idx) ((idx) == FCOE_IDX(bp))
748 #define MAX_FETCH_BD 13 /* HW max BDs per packet */
749 #define RX_COPY_THRESH 92
751 #define NUM_TX_RINGS 16
752 #define TX_DESC_CNT (BCM_PAGE_SIZE / sizeof(union eth_tx_bd_types))
753 #define NEXT_PAGE_TX_DESC_CNT 1
754 #define MAX_TX_DESC_CNT (TX_DESC_CNT - NEXT_PAGE_TX_DESC_CNT)
755 #define NUM_TX_BD (TX_DESC_CNT * NUM_TX_RINGS)
756 #define MAX_TX_BD (NUM_TX_BD - 1)
757 #define MAX_TX_AVAIL (MAX_TX_DESC_CNT * NUM_TX_RINGS - 2)
758 #define NEXT_TX_IDX(x) ((((x) & MAX_TX_DESC_CNT) == \
759 (MAX_TX_DESC_CNT - 1)) ? \
760 (x) + 1 + NEXT_PAGE_TX_DESC_CNT : \
762 #define TX_BD(x) ((x) & MAX_TX_BD)
763 #define TX_BD_POFF(x) ((x) & MAX_TX_DESC_CNT)
765 /* number of NEXT_PAGE descriptors may be required during placement */
766 #define NEXT_CNT_PER_TX_PKT(bds) \
767 (((bds) + MAX_TX_DESC_CNT - 1) / \
768 MAX_TX_DESC_CNT * NEXT_PAGE_TX_DESC_CNT)
769 /* max BDs per tx packet w/o next_pages:
770 * START_BD - describes packed
771 * START_BD(splitted) - includes unpaged data segment for GSO
772 * PARSING_BD - for TSO and CSUM data
773 * PARSING_BD2 - for encapsulation data
774 * Frag BDs - describes pages for frags
776 #define BDS_PER_TX_PKT 4
777 #define MAX_BDS_PER_TX_PKT (MAX_SKB_FRAGS + BDS_PER_TX_PKT)
778 /* max BDs per tx packet including next pages */
779 #define MAX_DESC_PER_TX_PKT (MAX_BDS_PER_TX_PKT + \
780 NEXT_CNT_PER_TX_PKT(MAX_BDS_PER_TX_PKT))
782 /* The RX BD ring is special, each bd is 8 bytes but the last one is 16 */
783 #define NUM_RX_RINGS 8
784 #define RX_DESC_CNT (BCM_PAGE_SIZE / sizeof(struct eth_rx_bd))
785 #define NEXT_PAGE_RX_DESC_CNT 2
786 #define MAX_RX_DESC_CNT (RX_DESC_CNT - NEXT_PAGE_RX_DESC_CNT)
787 #define RX_DESC_MASK (RX_DESC_CNT - 1)
788 #define NUM_RX_BD (RX_DESC_CNT * NUM_RX_RINGS)
789 #define MAX_RX_BD (NUM_RX_BD - 1)
790 #define MAX_RX_AVAIL (MAX_RX_DESC_CNT * NUM_RX_RINGS - 2)
792 /* dropless fc calculations for BDs
794 * Number of BDs should as number of buffers in BRB:
795 * Low threshold takes into account NEXT_PAGE_RX_DESC_CNT
796 * "next" elements on each page
798 #define NUM_BD_REQ BRB_SIZE(bp)
799 #define NUM_BD_PG_REQ ((NUM_BD_REQ + MAX_RX_DESC_CNT - 1) / \
801 #define BD_TH_LO(bp) (NUM_BD_REQ + \
802 NUM_BD_PG_REQ * NEXT_PAGE_RX_DESC_CNT + \
804 #define BD_TH_HI(bp) (BD_TH_LO(bp) + DROPLESS_FC_HEADROOM)
806 #define MIN_RX_AVAIL ((bp)->dropless_fc ? BD_TH_HI(bp) + 128 : 128)
808 #define MIN_RX_SIZE_TPA_HW (CHIP_IS_E1(bp) ? \
809 ETH_MIN_RX_CQES_WITH_TPA_E1 : \
810 ETH_MIN_RX_CQES_WITH_TPA_E1H_E2)
811 #define MIN_RX_SIZE_NONTPA_HW ETH_MIN_RX_CQES_WITHOUT_TPA
812 #define MIN_RX_SIZE_TPA (max_t(u32, MIN_RX_SIZE_TPA_HW, MIN_RX_AVAIL))
813 #define MIN_RX_SIZE_NONTPA (max_t(u32, MIN_RX_SIZE_NONTPA_HW,\
816 #define NEXT_RX_IDX(x) ((((x) & RX_DESC_MASK) == \
817 (MAX_RX_DESC_CNT - 1)) ? \
818 (x) + 1 + NEXT_PAGE_RX_DESC_CNT : \
820 #define RX_BD(x) ((x) & MAX_RX_BD)
823 * As long as CQE is X times bigger than BD entry we have to allocate X times
824 * more pages for CQ ring in order to keep it balanced with BD ring
826 #define CQE_BD_REL (sizeof(union eth_rx_cqe) / sizeof(struct eth_rx_bd))
827 #define NUM_RCQ_RINGS (NUM_RX_RINGS * CQE_BD_REL)
828 #define RCQ_DESC_CNT (BCM_PAGE_SIZE / sizeof(union eth_rx_cqe))
829 #define NEXT_PAGE_RCQ_DESC_CNT 1
830 #define MAX_RCQ_DESC_CNT (RCQ_DESC_CNT - NEXT_PAGE_RCQ_DESC_CNT)
831 #define NUM_RCQ_BD (RCQ_DESC_CNT * NUM_RCQ_RINGS)
832 #define MAX_RCQ_BD (NUM_RCQ_BD - 1)
833 #define MAX_RCQ_AVAIL (MAX_RCQ_DESC_CNT * NUM_RCQ_RINGS - 2)
834 #define NEXT_RCQ_IDX(x) ((((x) & MAX_RCQ_DESC_CNT) == \
835 (MAX_RCQ_DESC_CNT - 1)) ? \
836 (x) + 1 + NEXT_PAGE_RCQ_DESC_CNT : \
838 #define RCQ_BD(x) ((x) & MAX_RCQ_BD)
840 /* dropless fc calculations for RCQs
842 * Number of RCQs should be as number of buffers in BRB:
843 * Low threshold takes into account NEXT_PAGE_RCQ_DESC_CNT
844 * "next" elements on each page
846 #define NUM_RCQ_REQ BRB_SIZE(bp)
847 #define NUM_RCQ_PG_REQ ((NUM_BD_REQ + MAX_RCQ_DESC_CNT - 1) / \
849 #define RCQ_TH_LO(bp) (NUM_RCQ_REQ + \
850 NUM_RCQ_PG_REQ * NEXT_PAGE_RCQ_DESC_CNT + \
852 #define RCQ_TH_HI(bp) (RCQ_TH_LO(bp) + DROPLESS_FC_HEADROOM)
854 /* This is needed for determining of last_max */
855 #define SUB_S16(a, b) (s16)((s16)(a) - (s16)(b))
856 #define SUB_S32(a, b) (s32)((s32)(a) - (s32)(b))
858 #define BNX2X_SWCID_SHIFT 17
859 #define BNX2X_SWCID_MASK ((0x1 << BNX2X_SWCID_SHIFT) - 1)
861 /* used on a CID received from the HW */
862 #define SW_CID(x) (le32_to_cpu(x) & BNX2X_SWCID_MASK)
863 #define CQE_CMD(x) (le32_to_cpu(x) >> \
864 COMMON_RAMROD_ETH_RX_CQE_CMD_ID_SHIFT)
866 #define BD_UNMAP_ADDR(bd) HILO_U64(le32_to_cpu((bd)->addr_hi), \
867 le32_to_cpu((bd)->addr_lo))
868 #define BD_UNMAP_LEN(bd) (le16_to_cpu((bd)->nbytes))
870 #define BNX2X_DB_MIN_SHIFT 3 /* 8 bytes */
871 #define BNX2X_DB_SHIFT 3 /* 8 bytes*/
872 #if (BNX2X_DB_SHIFT < BNX2X_DB_MIN_SHIFT)
873 #error "Min DB doorbell stride is 8"
875 #define DOORBELL(bp, cid, val) \
877 writel((u32)(val), bp->doorbells + (bp->db_size * (cid))); \
880 /* TX CSUM helpers */
881 #define SKB_CS_OFF(skb) (offsetof(struct tcphdr, check) - \
883 #define SKB_CS(skb) (*(u16 *)(skb_transport_header(skb) + \
886 #define pbd_tcp_flags(tcp_hdr) (ntohl(tcp_flag_word(tcp_hdr))>>16 & 0xff)
889 #define XMIT_CSUM_V4 (1 << 0)
890 #define XMIT_CSUM_V6 (1 << 1)
891 #define XMIT_CSUM_TCP (1 << 2)
892 #define XMIT_GSO_V4 (1 << 3)
893 #define XMIT_GSO_V6 (1 << 4)
894 #define XMIT_CSUM_ENC_V4 (1 << 5)
895 #define XMIT_CSUM_ENC_V6 (1 << 6)
896 #define XMIT_GSO_ENC_V4 (1 << 7)
897 #define XMIT_GSO_ENC_V6 (1 << 8)
899 #define XMIT_CSUM_ENC (XMIT_CSUM_ENC_V4 | XMIT_CSUM_ENC_V6)
900 #define XMIT_GSO_ENC (XMIT_GSO_ENC_V4 | XMIT_GSO_ENC_V6)
902 #define XMIT_CSUM (XMIT_CSUM_V4 | XMIT_CSUM_V6 | XMIT_CSUM_ENC)
903 #define XMIT_GSO (XMIT_GSO_V4 | XMIT_GSO_V6 | XMIT_GSO_ENC)
905 /* stuff added to make the code fit 80Col */
906 #define CQE_TYPE(cqe_fp_flags) ((cqe_fp_flags) & ETH_FAST_PATH_RX_CQE_TYPE)
907 #define CQE_TYPE_START(cqe_type) ((cqe_type) == RX_ETH_CQE_TYPE_ETH_START_AGG)
908 #define CQE_TYPE_STOP(cqe_type) ((cqe_type) == RX_ETH_CQE_TYPE_ETH_STOP_AGG)
909 #define CQE_TYPE_SLOW(cqe_type) ((cqe_type) == RX_ETH_CQE_TYPE_ETH_RAMROD)
910 #define CQE_TYPE_FAST(cqe_type) ((cqe_type) == RX_ETH_CQE_TYPE_ETH_FASTPATH)
912 #define ETH_RX_ERROR_FALGS ETH_FAST_PATH_RX_CQE_PHY_DECODE_ERR_FLG
914 #define BNX2X_PRS_FLAG_OVERETH_IPV4(flags) \
915 (((le16_to_cpu(flags) & \
916 PARSING_FLAGS_OVER_ETHERNET_PROTOCOL) >> \
917 PARSING_FLAGS_OVER_ETHERNET_PROTOCOL_SHIFT) \
918 == PRS_FLAG_OVERETH_IPV4)
919 #define BNX2X_RX_SUM_FIX(cqe) \
920 BNX2X_PRS_FLAG_OVERETH_IPV4(cqe->fast_path_cqe.pars_flags.flags)
922 #define FP_USB_FUNC_OFF \
923 offsetof(struct cstorm_status_block_u, func)
924 #define FP_CSB_FUNC_OFF \
925 offsetof(struct cstorm_status_block_c, func)
927 #define HC_INDEX_ETH_RX_CQ_CONS 1
929 #define HC_INDEX_OOO_TX_CQ_CONS 4
931 #define HC_INDEX_ETH_TX_CQ_CONS_COS0 5
933 #define HC_INDEX_ETH_TX_CQ_CONS_COS1 6
935 #define HC_INDEX_ETH_TX_CQ_CONS_COS2 7
937 #define HC_INDEX_ETH_FIRST_TX_CQ_CONS HC_INDEX_ETH_TX_CQ_CONS_COS0
939 #define BNX2X_RX_SB_INDEX \
940 (&fp->sb_index_values[HC_INDEX_ETH_RX_CQ_CONS])
942 #define BNX2X_TX_SB_INDEX_BASE BNX2X_TX_SB_INDEX_COS0
944 #define BNX2X_TX_SB_INDEX_COS0 \
945 (&fp->sb_index_values[HC_INDEX_ETH_TX_CQ_CONS_COS0])
947 /* end of fast path */
951 struct bnx2x_common {
954 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
955 #define CHIP_ID(bp) (bp->common.chip_id & 0xfffffff0)
957 #define CHIP_NUM(bp) (bp->common.chip_id >> 16)
958 #define CHIP_NUM_57710 0x164e
959 #define CHIP_NUM_57711 0x164f
960 #define CHIP_NUM_57711E 0x1650
961 #define CHIP_NUM_57712 0x1662
962 #define CHIP_NUM_57712_MF 0x1663
963 #define CHIP_NUM_57712_VF 0x166f
964 #define CHIP_NUM_57713 0x1651
965 #define CHIP_NUM_57713E 0x1652
966 #define CHIP_NUM_57800 0x168a
967 #define CHIP_NUM_57800_MF 0x16a5
968 #define CHIP_NUM_57800_VF 0x16a9
969 #define CHIP_NUM_57810 0x168e
970 #define CHIP_NUM_57810_MF 0x16ae
971 #define CHIP_NUM_57810_VF 0x16af
972 #define CHIP_NUM_57811 0x163d
973 #define CHIP_NUM_57811_MF 0x163e
974 #define CHIP_NUM_57811_VF 0x163f
975 #define CHIP_NUM_57840_OBSOLETE 0x168d
976 #define CHIP_NUM_57840_MF_OBSOLETE 0x16ab
977 #define CHIP_NUM_57840_4_10 0x16a1
978 #define CHIP_NUM_57840_2_20 0x16a2
979 #define CHIP_NUM_57840_MF 0x16a4
980 #define CHIP_NUM_57840_VF 0x16ad
981 #define CHIP_IS_E1(bp) (CHIP_NUM(bp) == CHIP_NUM_57710)
982 #define CHIP_IS_57711(bp) (CHIP_NUM(bp) == CHIP_NUM_57711)
983 #define CHIP_IS_57711E(bp) (CHIP_NUM(bp) == CHIP_NUM_57711E)
984 #define CHIP_IS_57712(bp) (CHIP_NUM(bp) == CHIP_NUM_57712)
985 #define CHIP_IS_57712_VF(bp) (CHIP_NUM(bp) == CHIP_NUM_57712_VF)
986 #define CHIP_IS_57712_MF(bp) (CHIP_NUM(bp) == CHIP_NUM_57712_MF)
987 #define CHIP_IS_57800(bp) (CHIP_NUM(bp) == CHIP_NUM_57800)
988 #define CHIP_IS_57800_MF(bp) (CHIP_NUM(bp) == CHIP_NUM_57800_MF)
989 #define CHIP_IS_57800_VF(bp) (CHIP_NUM(bp) == CHIP_NUM_57800_VF)
990 #define CHIP_IS_57810(bp) (CHIP_NUM(bp) == CHIP_NUM_57810)
991 #define CHIP_IS_57810_MF(bp) (CHIP_NUM(bp) == CHIP_NUM_57810_MF)
992 #define CHIP_IS_57810_VF(bp) (CHIP_NUM(bp) == CHIP_NUM_57810_VF)
993 #define CHIP_IS_57811(bp) (CHIP_NUM(bp) == CHIP_NUM_57811)
994 #define CHIP_IS_57811_MF(bp) (CHIP_NUM(bp) == CHIP_NUM_57811_MF)
995 #define CHIP_IS_57811_VF(bp) (CHIP_NUM(bp) == CHIP_NUM_57811_VF)
996 #define CHIP_IS_57840(bp) \
997 ((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) || \
998 (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) || \
999 (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE))
1000 #define CHIP_IS_57840_MF(bp) ((CHIP_NUM(bp) == CHIP_NUM_57840_MF) || \
1001 (CHIP_NUM(bp) == CHIP_NUM_57840_MF_OBSOLETE))
1002 #define CHIP_IS_57840_VF(bp) (CHIP_NUM(bp) == CHIP_NUM_57840_VF)
1003 #define CHIP_IS_E1H(bp) (CHIP_IS_57711(bp) || \
1005 #define CHIP_IS_57811xx(bp) (CHIP_IS_57811(bp) || \
1006 CHIP_IS_57811_MF(bp) || \
1007 CHIP_IS_57811_VF(bp))
1008 #define CHIP_IS_E2(bp) (CHIP_IS_57712(bp) || \
1009 CHIP_IS_57712_MF(bp) || \
1010 CHIP_IS_57712_VF(bp))
1011 #define CHIP_IS_E3(bp) (CHIP_IS_57800(bp) || \
1012 CHIP_IS_57800_MF(bp) || \
1013 CHIP_IS_57800_VF(bp) || \
1014 CHIP_IS_57810(bp) || \
1015 CHIP_IS_57810_MF(bp) || \
1016 CHIP_IS_57810_VF(bp) || \
1017 CHIP_IS_57811xx(bp) || \
1018 CHIP_IS_57840(bp) || \
1019 CHIP_IS_57840_MF(bp) || \
1020 CHIP_IS_57840_VF(bp))
1021 #define CHIP_IS_E1x(bp) (CHIP_IS_E1((bp)) || CHIP_IS_E1H((bp)))
1022 #define USES_WARPCORE(bp) (CHIP_IS_E3(bp))
1023 #define IS_E1H_OFFSET (!CHIP_IS_E1(bp))
1025 #define CHIP_REV_SHIFT 12
1026 #define CHIP_REV_MASK (0xF << CHIP_REV_SHIFT)
1027 #define CHIP_REV_VAL(bp) (bp->common.chip_id & CHIP_REV_MASK)
1028 #define CHIP_REV_Ax (0x0 << CHIP_REV_SHIFT)
1029 #define CHIP_REV_Bx (0x1 << CHIP_REV_SHIFT)
1030 /* assume maximum 5 revisions */
1031 #define CHIP_REV_IS_SLOW(bp) (CHIP_REV_VAL(bp) > 0x00005000)
1032 /* Emul versions are A=>0xe, B=>0xc, C=>0xa, D=>8, E=>6 */
1033 #define CHIP_REV_IS_EMUL(bp) ((CHIP_REV_IS_SLOW(bp)) && \
1034 !(CHIP_REV_VAL(bp) & 0x00001000))
1035 /* FPGA versions are A=>0xf, B=>0xd, C=>0xb, D=>9, E=>7 */
1036 #define CHIP_REV_IS_FPGA(bp) ((CHIP_REV_IS_SLOW(bp)) && \
1037 (CHIP_REV_VAL(bp) & 0x00001000))
1039 #define CHIP_TIME(bp) ((CHIP_REV_IS_EMUL(bp)) ? 2000 : \
1040 ((CHIP_REV_IS_FPGA(bp)) ? 200 : 1))
1042 #define CHIP_METAL(bp) (bp->common.chip_id & 0x00000ff0)
1043 #define CHIP_BOND_ID(bp) (bp->common.chip_id & 0x0000000f)
1044 #define CHIP_REV_SIM(bp) (((CHIP_REV_MASK - CHIP_REV_VAL(bp)) >>\
1045 (CHIP_REV_SHIFT + 1)) \
1047 #define CHIP_REV(bp) (CHIP_REV_IS_SLOW(bp) ? \
1050 #define CHIP_IS_E3B0(bp) (CHIP_IS_E3(bp) && \
1051 (CHIP_REV(bp) == CHIP_REV_Bx))
1052 #define CHIP_IS_E3A0(bp) (CHIP_IS_E3(bp) && \
1053 (CHIP_REV(bp) == CHIP_REV_Ax))
1054 /* This define is used in two main places:
1055 * 1. In the early stages of nic_load, to know if to configure Parser / Searcher
1056 * to nic-only mode or to offload mode. Offload mode is configured if either the
1057 * chip is E1x (where MIC_MODE register is not applicable), or if cnic already
1058 * registered for this port (which means that the user wants storage services).
1059 * 2. During cnic-related load, to know if offload mode is already configured in
1060 * the HW or needs to be configured.
1061 * Since the transition from nic-mode to offload-mode in HW causes traffic
1062 * corruption, nic-mode is configured only in ports on which storage services
1063 * where never requested.
1065 #define CONFIGURE_NIC_MODE(bp) (!CHIP_IS_E1x(bp) && !CNIC_ENABLED(bp))
1068 #define BNX2X_NVRAM_1MB_SIZE 0x20000 /* 1M bit in bytes */
1069 #define BNX2X_NVRAM_TIMEOUT_COUNT 30000
1070 #define BNX2X_NVRAM_PAGE_SIZE 256
1082 #define INT_BLOCK_HC 0
1083 #define INT_BLOCK_IGU 1
1084 #define INT_BLOCK_MODE_NORMAL 0
1085 #define INT_BLOCK_MODE_BW_COMP 2
1086 #define CHIP_INT_MODE_IS_NBC(bp) \
1087 (!CHIP_IS_E1x(bp) && \
1088 !((bp)->common.int_block & INT_BLOCK_MODE_BW_COMP))
1089 #define CHIP_INT_MODE_IS_BC(bp) (!CHIP_INT_MODE_IS_NBC(bp))
1092 #define CHIP_4_PORT_MODE 0x0
1093 #define CHIP_2_PORT_MODE 0x1
1094 #define CHIP_PORT_MODE_NONE 0x2
1095 #define CHIP_MODE(bp) (bp->common.chip_port_mode)
1096 #define CHIP_MODE_IS_4_PORT(bp) (CHIP_MODE(bp) == CHIP_4_PORT_MODE)
1101 /* IGU MSIX STATISTICS on 57712: 64 for VFs; 4 for PFs; 4 for Attentions */
1102 #define BNX2X_IGU_STAS_MSG_VF_CNT 64
1103 #define BNX2X_IGU_STAS_MSG_PF_CNT 4
1105 #define MAX_IGU_ATTN_ACK_TO 100
1113 u32 link_config[LINK_CONFIG_SIZE];
1115 u32 supported[LINK_CONFIG_SIZE];
1117 u32 advertising[LINK_CONFIG_SIZE];
1121 /* used to synchronize phy accesses */
1122 struct mutex phy_mutex;
1126 struct nig_stats old_nig_stats;
1131 #define STATS_OFFSET32(stat_name) \
1132 (offsetof(struct bnx2x_eth_stats, stat_name) / 4)
1135 #define BNX2X_MAX_NUM_OF_VFS 64
1136 #define BNX2X_VF_CID_WND 4 /* log num of queues per VF. HW config. */
1137 #define BNX2X_CIDS_PER_VF (1 << BNX2X_VF_CID_WND)
1139 /* We need to reserve doorbell addresses for all VF and queue combinations */
1140 #define BNX2X_VF_CIDS (BNX2X_MAX_NUM_OF_VFS * BNX2X_CIDS_PER_VF)
1142 /* The doorbell is configured to have the same number of CIDs for PFs and for
1143 * VFs. For this reason the PF CID zone is as large as the VF zone.
1145 #define BNX2X_FIRST_VF_CID BNX2X_VF_CIDS
1146 #define BNX2X_MAX_NUM_VF_QUEUES 64
1147 #define BNX2X_VF_ID_INVALID 0xFF
1149 /* the number of VF CIDS multiplied by the amount of bytes reserved for each
1150 * cid must not exceed the size of the VF doorbell
1152 #define BNX2X_VF_BAR_SIZE 512
1153 #if (BNX2X_VF_BAR_SIZE < BNX2X_CIDS_PER_VF * (1 << BNX2X_DB_SHIFT))
1154 #error "VF doorbell bar size is 512"
1158 * The total number of L2 queues, MSIX vectors and HW contexts (CIDs) is
1159 * control by the number of fast-path status blocks supported by the
1160 * device (HW/FW). Each fast-path status block (FP-SB) aka non-default
1161 * status block represents an independent interrupts context that can
1162 * serve a regular L2 networking queue. However special L2 queues such
1163 * as the FCoE queue do not require a FP-SB and other components like
1164 * the CNIC may consume FP-SB reducing the number of possible L2 queues
1166 * If the maximum number of FP-SB available is X then:
1167 * a. If CNIC is supported it consumes 1 FP-SB thus the max number of
1168 * regular L2 queues is Y=X-1
1169 * b. In MF mode the actual number of L2 queues is Y= (X-1/MF_factor)
1170 * c. If the FCoE L2 queue is supported the actual number of L2 queues
1172 * d. The number of irqs (MSIX vectors) is either Y+1 (one extra for
1173 * slow-path interrupts) or Y+2 if CNIC is supported (one additional
1174 * FP interrupt context for the CNIC).
1175 * e. The number of HW context (CID count) is always X or X+1 if FCoE
1176 * L2 queue is supported. The cid for the FCoE L2 queue is always X.
1179 /* fast-path interrupt contexts E1x */
1180 #define FP_SB_MAX_E1x 16
1181 /* fast-path interrupt contexts E2 */
1182 #define FP_SB_MAX_E2 HC_SB_MAX_SB_E2
1185 struct eth_context eth;
1189 /* CDU host DB constants */
1190 #define CDU_ILT_PAGE_SZ_HW 2
1191 #define CDU_ILT_PAGE_SZ (8192 << CDU_ILT_PAGE_SZ_HW) /* 32K */
1192 #define ILT_PAGE_CIDS (CDU_ILT_PAGE_SZ / sizeof(union cdu_context))
1194 #define CNIC_ISCSI_CID_MAX 256
1195 #define CNIC_FCOE_CID_MAX 2048
1196 #define CNIC_CID_MAX (CNIC_ISCSI_CID_MAX + CNIC_FCOE_CID_MAX)
1197 #define CNIC_ILT_LINES DIV_ROUND_UP(CNIC_CID_MAX, ILT_PAGE_CIDS)
1199 #define QM_ILT_PAGE_SZ_HW 0
1200 #define QM_ILT_PAGE_SZ (4096 << QM_ILT_PAGE_SZ_HW) /* 4K */
1201 #define QM_CID_ROUND 1024
1203 /* TM (timers) host DB constants */
1204 #define TM_ILT_PAGE_SZ_HW 0
1205 #define TM_ILT_PAGE_SZ (4096 << TM_ILT_PAGE_SZ_HW) /* 4K */
1206 #define TM_CONN_NUM (BNX2X_FIRST_VF_CID + \
1209 #define TM_ILT_SZ (8 * TM_CONN_NUM)
1210 #define TM_ILT_LINES DIV_ROUND_UP(TM_ILT_SZ, TM_ILT_PAGE_SZ)
1212 /* SRC (Searcher) host DB constants */
1213 #define SRC_ILT_PAGE_SZ_HW 0
1214 #define SRC_ILT_PAGE_SZ (4096 << SRC_ILT_PAGE_SZ_HW) /* 4K */
1215 #define SRC_HASH_BITS 10
1216 #define SRC_CONN_NUM (1 << SRC_HASH_BITS) /* 1024 */
1217 #define SRC_ILT_SZ (sizeof(struct src_ent) * SRC_CONN_NUM)
1218 #define SRC_T2_SZ SRC_ILT_SZ
1219 #define SRC_ILT_LINES DIV_ROUND_UP(SRC_ILT_SZ, SRC_ILT_PAGE_SZ)
1221 #define MAX_DMAE_C 8
1223 /* DMA memory not used in fastpath */
1224 struct bnx2x_slowpath {
1226 struct mac_configuration_cmd e1x;
1227 struct eth_classify_rules_ramrod_data e2;
1231 struct tstorm_eth_mac_filter_config e1x;
1232 struct eth_filter_rules_ramrod_data e2;
1236 struct mac_configuration_cmd e1;
1237 struct eth_multicast_rules_ramrod_data e2;
1240 struct eth_rss_update_ramrod_data rss_rdata;
1242 /* Queue State related ramrods are always sent under rtnl_lock */
1244 struct client_init_ramrod_data init_data;
1245 struct client_update_ramrod_data update_data;
1246 struct tpa_update_ramrod_data tpa_data;
1250 struct function_start_data func_start;
1251 /* pfc configuration for DCBX ramrod */
1252 struct flow_control_configuration pfc_config;
1255 /* afex ramrod can not be a part of func_rdata union because these
1256 * events might arrive in parallel to other events from func_rdata.
1257 * Therefore, if they would have been defined in the same union,
1258 * data can get corrupted.
1261 struct afex_vif_list_ramrod_data viflist_data;
1262 struct function_update_data func_update;
1265 /* used by dmae command executer */
1266 struct dmae_command dmae[MAX_DMAE_C];
1269 union mac_stats mac_stats;
1270 struct nig_stats nig_stats;
1271 struct host_port_stats port_stats;
1272 struct host_func_stats func_stats;
1277 union drv_info_to_mcp drv_info_to_mcp;
1280 #define bnx2x_sp(bp, var) (&bp->slowpath->var)
1281 #define bnx2x_sp_mapping(bp, var) \
1282 (bp->slowpath_mapping + offsetof(struct bnx2x_slowpath, var))
1284 /* attn group wiring */
1285 #define MAX_DYNAMIC_ATTN_GRPS 8
1300 union cdu_context *vcxt;
1301 dma_addr_t cxt_mapping;
1310 enum bnx2x_recovery_state {
1311 BNX2X_RECOVERY_DONE,
1312 BNX2X_RECOVERY_INIT,
1313 BNX2X_RECOVERY_WAIT,
1314 BNX2X_RECOVERY_FAILED,
1315 BNX2X_RECOVERY_NIC_LOADING
1319 * Event queue (EQ or event ring) MC hsi
1320 * NUM_EQ_PAGES and EQ_DESC_CNT_PAGE must be power of 2
1322 #define NUM_EQ_PAGES 1
1323 #define EQ_DESC_CNT_PAGE (BCM_PAGE_SIZE / sizeof(union event_ring_elem))
1324 #define EQ_DESC_MAX_PAGE (EQ_DESC_CNT_PAGE - 1)
1325 #define NUM_EQ_DESC (EQ_DESC_CNT_PAGE * NUM_EQ_PAGES)
1326 #define EQ_DESC_MASK (NUM_EQ_DESC - 1)
1327 #define MAX_EQ_AVAIL (EQ_DESC_MAX_PAGE * NUM_EQ_PAGES - 2)
1329 /* depends on EQ_DESC_CNT_PAGE being a power of 2 */
1330 #define NEXT_EQ_IDX(x) ((((x) & EQ_DESC_MAX_PAGE) == \
1331 (EQ_DESC_MAX_PAGE - 1)) ? (x) + 2 : (x) + 1)
1333 /* depends on the above and on NUM_EQ_PAGES being a power of 2 */
1334 #define EQ_DESC(x) ((x) & EQ_DESC_MASK)
1336 #define BNX2X_EQ_INDEX \
1337 (&bp->def_status_blk->sp_sb.\
1338 index_values[HC_SP_INDEX_EQ_CONS])
1340 /* This is a data that will be used to create a link report message.
1341 * We will keep the data used for the last link report in order
1342 * to prevent reporting the same link parameters twice.
1344 struct bnx2x_link_report_data {
1345 u16 line_speed; /* Effective line speed */
1346 unsigned long link_report_flags;/* BNX2X_LINK_REPORT_XXX flags */
1350 BNX2X_LINK_REPORT_FD, /* Full DUPLEX */
1351 BNX2X_LINK_REPORT_LINK_DOWN,
1352 BNX2X_LINK_REPORT_RX_FC_ON,
1353 BNX2X_LINK_REPORT_TX_FC_ON,
1357 BNX2X_PORT_QUERY_IDX,
1359 BNX2X_FCOE_QUERY_IDX,
1360 BNX2X_FIRST_QUEUE_QUERY_IDX,
1363 struct bnx2x_fw_stats_req {
1364 struct stats_query_header hdr;
1365 struct stats_query_entry query[FP_SB_MAX_E1x+
1366 BNX2X_FIRST_QUEUE_QUERY_IDX];
1369 struct bnx2x_fw_stats_data {
1370 struct stats_counter storm_counters;
1371 struct per_port_stats port;
1372 struct per_pf_stats pf;
1373 struct fcoe_statistics_params fcoe;
1374 struct per_queue_stats queue_stats[1];
1377 /* Public slow path states */
1379 BNX2X_SP_RTNL_SETUP_TC,
1380 BNX2X_SP_RTNL_TX_TIMEOUT,
1381 BNX2X_SP_RTNL_FAN_FAILURE,
1382 BNX2X_SP_RTNL_AFEX_F_UPDATE,
1383 BNX2X_SP_RTNL_ENABLE_SRIOV,
1384 BNX2X_SP_RTNL_VFPF_MCAST,
1385 BNX2X_SP_RTNL_VFPF_CHANNEL_DOWN,
1386 BNX2X_SP_RTNL_RX_MODE,
1387 BNX2X_SP_RTNL_HYPERVISOR_VLAN,
1388 BNX2X_SP_RTNL_TX_STOP,
1389 BNX2X_SP_RTNL_GET_DRV_VERSION,
1392 enum bnx2x_iov_flag {
1393 BNX2X_IOV_HANDLE_VF_MSG,
1394 BNX2X_IOV_HANDLE_FLR,
1397 struct bnx2x_prev_path_list {
1398 struct list_head list;
1406 struct bnx2x_sp_objs {
1408 struct bnx2x_vlan_mac_obj mac_obj;
1410 /* Queue State object */
1411 struct bnx2x_queue_sp_obj q_obj;
1414 struct bnx2x_fp_stats {
1415 struct tstorm_per_queue_stats old_tclient;
1416 struct ustorm_per_queue_stats old_uclient;
1417 struct xstorm_per_queue_stats old_xclient;
1418 struct bnx2x_eth_q_stats eth_q_stats;
1419 struct bnx2x_eth_q_stats_old eth_q_stats_old;
1423 SUB_MF_MODE_UNKNOWN = 0,
1425 SUB_MF_MODE_NPAR1_DOT_5,
1429 /* Fields used in the tx and intr/napi performance paths
1430 * are grouped together in the beginning of the structure
1432 struct bnx2x_fastpath *fp;
1433 struct bnx2x_sp_objs *sp_objs;
1434 struct bnx2x_fp_stats *fp_stats;
1435 struct bnx2x_fp_txdata *bnx2x_txq;
1436 void __iomem *regview;
1437 void __iomem *doorbells;
1440 u8 pf_num; /* absolute PF number */
1441 u8 pfid; /* per-path PF number */
1442 int base_fw_ndsb; /**/
1443 #define BP_PATH(bp) (CHIP_IS_E1x(bp) ? 0 : (bp->pf_num & 1))
1444 #define BP_PORT(bp) (bp->pfid & 1)
1445 #define BP_FUNC(bp) (bp->pfid)
1446 #define BP_ABS_FUNC(bp) (bp->pf_num)
1447 #define BP_VN(bp) ((bp)->pfid >> 1)
1448 #define BP_MAX_VN_NUM(bp) (CHIP_MODE_IS_4_PORT(bp) ? 2 : 4)
1449 #define BP_L_ID(bp) (BP_VN(bp) << 2)
1450 #define BP_FW_MB_IDX_VN(bp, vn) (BP_PORT(bp) +\
1451 (vn) * ((CHIP_IS_E1x(bp) || (CHIP_MODE_IS_4_PORT(bp))) ? 2 : 1))
1452 #define BP_FW_MB_IDX(bp) BP_FW_MB_IDX_VN(bp, BP_VN(bp))
1454 #ifdef CONFIG_BNX2X_SRIOV
1455 /* protects vf2pf mailbox from simultaneous access */
1456 struct mutex vf2pf_mutex;
1457 /* vf pf channel mailbox contains request and response buffers */
1458 struct bnx2x_vf_mbx_msg *vf2pf_mbox;
1459 dma_addr_t vf2pf_mbox_mapping;
1461 /* we set aside a copy of the acquire response */
1462 struct pfvf_acquire_resp_tlv acquire_resp;
1464 /* bulletin board for messages from pf to vf */
1465 union pf_vf_bulletin *pf2vf_bulletin;
1466 dma_addr_t pf2vf_bulletin_mapping;
1468 union pf_vf_bulletin shadow_bulletin;
1469 struct pf_vf_bulletin_content old_bulletin;
1471 u16 requested_nr_virtfn;
1472 #endif /* CONFIG_BNX2X_SRIOV */
1474 struct net_device *dev;
1475 struct pci_dev *pdev;
1477 const struct iro *iro_arr;
1478 #define IRO (bp->iro_arr)
1480 enum bnx2x_recovery_state recovery_state;
1482 struct msix_entry *msix_table;
1486 /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
1487 #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
1488 #define ETH_MIN_PACKET_SIZE 60
1489 #define ETH_MAX_PACKET_SIZE 1500
1490 #define ETH_MAX_JUMBO_PACKET_SIZE 9600
1491 /* TCP with Timestamp Option (32) + IPv6 (40) */
1492 #define ETH_MAX_TPA_HEADER_SIZE 72
1494 /* Max supported alignment is 256 (8 shift)
1495 * minimal alignment shift 6 is optimal for 57xxx HW performance
1497 #define BNX2X_RX_ALIGN_SHIFT max(6, min(8, L1_CACHE_SHIFT))
1499 /* FW uses 2 Cache lines Alignment for start packet and size
1501 * We assume skb_build() uses sizeof(struct skb_shared_info) bytes
1502 * at the end of skb->data, to avoid wasting a full cache line.
1503 * This reduces memory use (skb->truesize).
1505 #define BNX2X_FW_RX_ALIGN_START (1UL << BNX2X_RX_ALIGN_SHIFT)
1507 #define BNX2X_FW_RX_ALIGN_END \
1508 max_t(u64, 1UL << BNX2X_RX_ALIGN_SHIFT, \
1509 SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
1511 #define BNX2X_PXP_DRAM_ALIGN (BNX2X_RX_ALIGN_SHIFT - 5)
1513 struct host_sp_status_block *def_status_blk;
1514 #define DEF_SB_IGU_ID 16
1515 #define DEF_SB_ID HC_SP_SB_ID
1519 struct attn_route attn_group[MAX_DYNAMIC_ATTN_GRPS];
1521 /* slow path ring */
1522 struct eth_spe *spq;
1523 dma_addr_t spq_mapping;
1525 struct eth_spe *spq_prod_bd;
1526 struct eth_spe *spq_last_bd;
1527 __le16 *dsb_sp_prod;
1528 atomic_t cq_spq_left; /* ETH_XXX ramrods credit */
1529 /* used to synchronize spq accesses */
1530 spinlock_t spq_lock;
1533 union event_ring_elem *eq_ring;
1534 dma_addr_t eq_mapping;
1538 atomic_t eq_spq_left; /* COMMON_XXX ramrods credit */
1540 /* Counter for marking that there is a STAT_QUERY ramrod pending */
1542 /* Counter for completed statistics ramrods */
1545 /* End of fields used in the performance code paths */
1551 #define PCIX_FLAG (1 << 0)
1552 #define PCI_32BIT_FLAG (1 << 1)
1553 #define ONE_PORT_FLAG (1 << 2)
1554 #define NO_WOL_FLAG (1 << 3)
1555 #define USING_MSIX_FLAG (1 << 5)
1556 #define USING_MSI_FLAG (1 << 6)
1557 #define DISABLE_MSI_FLAG (1 << 7)
1558 #define NO_MCP_FLAG (1 << 9)
1559 #define MF_FUNC_DIS (1 << 11)
1560 #define OWN_CNIC_IRQ (1 << 12)
1561 #define NO_ISCSI_OOO_FLAG (1 << 13)
1562 #define NO_ISCSI_FLAG (1 << 14)
1563 #define NO_FCOE_FLAG (1 << 15)
1564 #define BC_SUPPORTS_PFC_STATS (1 << 17)
1565 #define TX_SWITCHING (1 << 18)
1566 #define BC_SUPPORTS_FCOE_FEATURES (1 << 19)
1567 #define USING_SINGLE_MSIX_FLAG (1 << 20)
1568 #define BC_SUPPORTS_DCBX_MSG_NON_PMF (1 << 21)
1569 #define IS_VF_FLAG (1 << 22)
1570 #define BC_SUPPORTS_RMMOD_CMD (1 << 23)
1571 #define HAS_PHYS_PORT_ID (1 << 24)
1572 #define AER_ENABLED (1 << 25)
1573 #define PTP_SUPPORTED (1 << 26)
1574 #define TX_TIMESTAMPING_EN (1 << 27)
1576 #define BP_NOMCP(bp) ((bp)->flags & NO_MCP_FLAG)
1578 #ifdef CONFIG_BNX2X_SRIOV
1579 #define IS_VF(bp) ((bp)->flags & IS_VF_FLAG)
1580 #define IS_PF(bp) (!((bp)->flags & IS_VF_FLAG))
1582 #define IS_VF(bp) false
1583 #define IS_PF(bp) true
1586 #define NO_ISCSI(bp) ((bp)->flags & NO_ISCSI_FLAG)
1587 #define NO_ISCSI_OOO(bp) ((bp)->flags & NO_ISCSI_OOO_FLAG)
1588 #define NO_FCOE(bp) ((bp)->flags & NO_FCOE_FLAG)
1593 struct cnic_eth_dev *(*cnic_probe)(struct net_device *);
1595 /* Flag that indicates that we can start looking for FCoE L2 queue
1596 * completions in the default status block.
1602 struct delayed_work sp_task;
1603 struct delayed_work iov_task;
1605 atomic_t interrupt_occurred;
1606 struct delayed_work sp_rtnl_task;
1608 struct delayed_work period_task;
1609 struct timer_list timer;
1610 int current_interval;
1613 u16 fw_drv_pulse_wr_seq;
1616 struct link_params link_params;
1617 struct link_vars link_vars;
1619 struct bnx2x_link_report_data last_reported_link;
1621 struct mdio_if_info mdio;
1623 struct bnx2x_common common;
1624 struct bnx2x_port port;
1626 struct cmng_init cmng;
1628 u32 mf_config[E1HVN_MAX];
1630 u32 path_has_ovlan; /* E3 */
1633 #define IS_MF(bp) (bp->mf_mode != 0)
1634 #define IS_MF_SI(bp) (bp->mf_mode == MULTI_FUNCTION_SI)
1635 #define IS_MF_SD(bp) (bp->mf_mode == MULTI_FUNCTION_SD)
1636 #define IS_MF_AFEX(bp) (bp->mf_mode == MULTI_FUNCTION_AFEX)
1638 #define IS_MF_UFP(bp) (IS_MF_SD(bp) && \
1639 bp->mf_sub_mode == SUB_MF_MODE_UFP)
1645 u16 tx_quick_cons_trip_int;
1646 u16 tx_quick_cons_trip;
1650 u16 rx_quick_cons_trip_int;
1651 u16 rx_quick_cons_trip;
1654 /* Maximal coalescing timeout in us */
1655 #define BNX2X_MAX_COALESCE_TOUT (0xff*BNX2X_BTR)
1660 #define BNX2X_STATE_CLOSED 0
1661 #define BNX2X_STATE_OPENING_WAIT4_LOAD 0x1000
1662 #define BNX2X_STATE_OPENING_WAIT4_PORT 0x2000
1663 #define BNX2X_STATE_OPEN 0x3000
1664 #define BNX2X_STATE_CLOSING_WAIT4_HALT 0x4000
1665 #define BNX2X_STATE_CLOSING_WAIT4_DELETE 0x5000
1667 #define BNX2X_STATE_DIAG 0xe000
1668 #define BNX2X_STATE_ERROR 0xf000
1670 #define BNX2X_MAX_PRIORITY 8
1672 uint num_ethernet_queues;
1673 uint num_cnic_queues;
1677 #define BNX2X_RX_MODE_NONE 0
1678 #define BNX2X_RX_MODE_NORMAL 1
1679 #define BNX2X_RX_MODE_ALLMULTI 2
1680 #define BNX2X_RX_MODE_PROMISC 3
1681 #define BNX2X_MAX_MULTICAST 64
1686 u8 min_msix_vec_cnt;
1689 dma_addr_t def_status_blk_mapping;
1691 struct bnx2x_slowpath *slowpath;
1692 dma_addr_t slowpath_mapping;
1694 /* Mechanism protecting the drv_info_to_mcp */
1695 struct mutex drv_info_mutex;
1696 bool drv_info_mng_owner;
1698 /* Total number of FW statistics requests */
1702 * This is a memory buffer that will contain both statistics
1703 * ramrod request and data.
1706 dma_addr_t fw_stats_mapping;
1709 * FW statistics request shortcut (points at the
1710 * beginning of fw_stats buffer).
1712 struct bnx2x_fw_stats_req *fw_stats_req;
1713 dma_addr_t fw_stats_req_mapping;
1714 int fw_stats_req_sz;
1717 * FW statistics data shortcut (points at the beginning of
1718 * fw_stats buffer + fw_stats_req_sz).
1720 struct bnx2x_fw_stats_data *fw_stats_data;
1721 dma_addr_t fw_stats_data_mapping;
1722 int fw_stats_data_sz;
1724 /* For max 1024 cids (VF RSS), 32KB ILT page size and 1KB
1725 * context size we need 8 ILT entries.
1727 #define ILT_MAX_L2_LINES 32
1728 struct hw_context context[ILT_MAX_L2_LINES];
1730 struct bnx2x_ilt *ilt;
1731 #define BP_ILT(bp) ((bp)->ilt)
1732 #define ILT_MAX_LINES 256
1734 * Maximum supported number of RSS queues: number of IGU SBs minus one that goes
1737 #define BNX2X_MAX_RSS_COUNT(bp) ((bp)->igu_sb_cnt - CNIC_SUPPORT(bp))
1740 * Maximum CID count that might be required by the bnx2x:
1741 * Max RSS * Max_Tx_Multi_Cos + FCoE + iSCSI
1744 #define BNX2X_L2_CID_COUNT(bp) (BNX2X_NUM_ETH_QUEUES(bp) * BNX2X_MULTI_TX_COS \
1745 + CNIC_SUPPORT(bp) * (2 + UIO_CID_PAD(bp)))
1746 #define BNX2X_L2_MAX_CID(bp) (BNX2X_MAX_RSS_COUNT(bp) * BNX2X_MULTI_TX_COS \
1747 + CNIC_SUPPORT(bp) * (2 + UIO_CID_PAD(bp)))
1748 #define L2_ILT_LINES(bp) (DIV_ROUND_UP(BNX2X_L2_CID_COUNT(bp),\
1756 dma_addr_t t2_mapping;
1757 struct cnic_ops __rcu *cnic_ops;
1760 struct cnic_eth_dev cnic_eth_dev;
1761 union host_hc_status_block cnic_sb;
1762 dma_addr_t cnic_sb_mapping;
1763 struct eth_spe *cnic_kwq;
1764 struct eth_spe *cnic_kwq_prod;
1765 struct eth_spe *cnic_kwq_cons;
1766 struct eth_spe *cnic_kwq_last;
1767 u16 cnic_kwq_pending;
1768 u16 cnic_spq_pending;
1769 u8 fip_mac[ETH_ALEN];
1770 struct mutex cnic_mutex;
1771 struct bnx2x_vlan_mac_obj iscsi_l2_mac_obj;
1773 /* Start index of the "special" (CNIC related) L2 clients */
1777 /* used to synchronize dmae accesses */
1778 spinlock_t dmae_lock;
1780 /* used to protect the FW mail box */
1781 struct mutex fw_mb_mutex;
1783 /* used to synchronize stats collecting */
1786 /* used for synchronization of concurrent threads statistics handling */
1787 struct semaphore stats_lock;
1789 /* used by dmae command loader */
1790 struct dmae_command stats_dmae;
1794 struct bnx2x_eth_stats eth_stats;
1795 struct host_func_stats func_stats;
1796 struct bnx2x_eth_stats_old eth_stats_old;
1797 struct bnx2x_net_stats_old net_stats_old;
1798 struct bnx2x_fw_port_stats_old fw_stats_old;
1801 struct z_stream_s *strm;
1803 dma_addr_t gunzip_mapping;
1805 #define FW_BUF_SIZE 0x8000
1806 #define GUNZIP_BUF(bp) (bp->gunzip_buf)
1807 #define GUNZIP_PHYS(bp) (bp->gunzip_mapping)
1808 #define GUNZIP_OUTLEN(bp) (bp->gunzip_outlen)
1810 struct raw_op *init_ops;
1811 /* Init blocks offsets inside init_ops */
1812 u16 *init_ops_offsets;
1813 /* Data blob - has 32 bit granularity */
1815 u32 init_mode_flags;
1816 #define INIT_MODE_FLAGS(bp) (bp->init_mode_flags)
1817 /* Zipped PRAM blobs - raw data */
1818 const u8 *tsem_int_table_data;
1819 const u8 *tsem_pram_data;
1820 const u8 *usem_int_table_data;
1821 const u8 *usem_pram_data;
1822 const u8 *xsem_int_table_data;
1823 const u8 *xsem_pram_data;
1824 const u8 *csem_int_table_data;
1825 const u8 *csem_pram_data;
1826 #define INIT_OPS(bp) (bp->init_ops)
1827 #define INIT_OPS_OFFSETS(bp) (bp->init_ops_offsets)
1828 #define INIT_DATA(bp) (bp->init_data)
1829 #define INIT_TSEM_INT_TABLE_DATA(bp) (bp->tsem_int_table_data)
1830 #define INIT_TSEM_PRAM_DATA(bp) (bp->tsem_pram_data)
1831 #define INIT_USEM_INT_TABLE_DATA(bp) (bp->usem_int_table_data)
1832 #define INIT_USEM_PRAM_DATA(bp) (bp->usem_pram_data)
1833 #define INIT_XSEM_INT_TABLE_DATA(bp) (bp->xsem_int_table_data)
1834 #define INIT_XSEM_PRAM_DATA(bp) (bp->xsem_pram_data)
1835 #define INIT_CSEM_INT_TABLE_DATA(bp) (bp->csem_int_table_data)
1836 #define INIT_CSEM_PRAM_DATA(bp) (bp->csem_pram_data)
1838 #define PHY_FW_VER_LEN 20
1840 const struct firmware *firmware;
1842 struct bnx2x_vfdb *vfdb;
1843 #define IS_SRIOV(bp) ((bp)->vfdb)
1845 /* DCB support on/off */
1847 #define BNX2X_DCB_STATE_OFF 0
1848 #define BNX2X_DCB_STATE_ON 1
1850 /* DCBX engine mode */
1852 #define BNX2X_DCBX_ENABLED_OFF 0
1853 #define BNX2X_DCBX_ENABLED_ON_NEG_OFF 1
1854 #define BNX2X_DCBX_ENABLED_ON_NEG_ON 2
1855 #define BNX2X_DCBX_ENABLED_INVALID (-1)
1857 bool dcbx_mode_uset;
1859 struct bnx2x_config_dcbx_params dcbx_config_params;
1860 struct bnx2x_dcbx_port_params dcbx_port_params;
1863 /* CAM credit pools */
1865 /* used only in sriov */
1866 struct bnx2x_credit_pool_obj vlans_pool;
1868 struct bnx2x_credit_pool_obj macs_pool;
1870 /* RX_MODE object */
1871 struct bnx2x_rx_mode_obj rx_mode_obj;
1874 struct bnx2x_mcast_obj mcast_obj;
1876 /* RSS configuration object */
1877 struct bnx2x_rss_config_obj rss_conf_obj;
1879 /* Function State controlling object */
1880 struct bnx2x_func_sp_obj func_obj;
1882 unsigned long sp_state;
1884 /* operation indication for the sp_rtnl task */
1885 unsigned long sp_rtnl_state;
1887 /* Indication of the IOV tasks */
1888 unsigned long iov_task_state;
1890 /* DCBX Negotiation results */
1891 struct dcbx_features dcbx_local_feat;
1895 struct dcbx_features dcbx_remote_feat;
1896 u32 dcbx_remote_flags;
1898 /* AFEX: store default vlan used */
1899 int afex_def_vlan_tag;
1900 enum mf_cfg_afex_vlan_mode afex_vlan_mode;
1903 /* multiple tx classes of service */
1906 /* priority to cos mapping */
1910 u32 dump_preset_idx;
1912 u8 phys_port_id[ETH_ALEN];
1914 /* PTP related context */
1915 struct ptp_clock *ptp_clock;
1916 struct ptp_clock_info ptp_clock_info;
1917 struct work_struct ptp_task;
1918 struct cyclecounter cyclecounter;
1919 struct timecounter timecounter;
1920 bool timecounter_init_done;
1921 struct sk_buff *ptp_tx_skb;
1922 unsigned long ptp_tx_start;
1923 bool hwtstamp_ioctl_called;
1927 struct bnx2x_link_report_data vf_link_vars;
1930 /* Tx queues may be less or equal to Rx queues */
1931 extern int num_queues;
1932 #define BNX2X_NUM_QUEUES(bp) (bp->num_queues)
1933 #define BNX2X_NUM_ETH_QUEUES(bp) ((bp)->num_ethernet_queues)
1934 #define BNX2X_NUM_NON_CNIC_QUEUES(bp) (BNX2X_NUM_QUEUES(bp) - \
1935 (bp)->num_cnic_queues)
1936 #define BNX2X_NUM_RX_QUEUES(bp) BNX2X_NUM_QUEUES(bp)
1938 #define is_multi(bp) (BNX2X_NUM_QUEUES(bp) > 1)
1940 #define BNX2X_MAX_QUEUES(bp) BNX2X_MAX_RSS_COUNT(bp)
1941 /* #define is_eth_multi(bp) (BNX2X_NUM_ETH_QUEUES(bp) > 1) */
1943 #define RSS_IPV4_CAP_MASK \
1944 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV4_CAPABILITY
1946 #define RSS_IPV4_TCP_CAP_MASK \
1947 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV4_TCP_CAPABILITY
1949 #define RSS_IPV6_CAP_MASK \
1950 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV6_CAPABILITY
1952 #define RSS_IPV6_TCP_CAP_MASK \
1953 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV6_TCP_CAPABILITY
1955 /* func init flags */
1956 #define FUNC_FLG_RSS 0x0001
1957 #define FUNC_FLG_STATS 0x0002
1958 /* removed FUNC_FLG_UNMATCHED 0x0004 */
1959 #define FUNC_FLG_TPA 0x0008
1960 #define FUNC_FLG_SPQ 0x0010
1961 #define FUNC_FLG_LEADING 0x0020 /* PF only */
1962 #define FUNC_FLG_LEADING_STATS 0x0040
1963 struct bnx2x_func_init_params {
1965 dma_addr_t fw_stat_map; /* valid iff FUNC_FLG_STATS */
1966 dma_addr_t spq_map; /* valid iff FUNC_FLG_SPQ */
1969 u16 func_id; /* abs fid */
1971 u16 spq_prod; /* valid iff FUNC_FLG_SPQ */
1974 #define for_each_cnic_queue(bp, var) \
1975 for ((var) = BNX2X_NUM_ETH_QUEUES(bp); (var) < BNX2X_NUM_QUEUES(bp); \
1977 if (skip_queue(bp, var)) \
1981 #define for_each_eth_queue(bp, var) \
1982 for ((var) = 0; (var) < BNX2X_NUM_ETH_QUEUES(bp); (var)++)
1984 #define for_each_nondefault_eth_queue(bp, var) \
1985 for ((var) = 1; (var) < BNX2X_NUM_ETH_QUEUES(bp); (var)++)
1987 #define for_each_queue(bp, var) \
1988 for ((var) = 0; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
1989 if (skip_queue(bp, var)) \
1993 /* Skip forwarding FP */
1994 #define for_each_valid_rx_queue(bp, var) \
1996 (var) < (CNIC_LOADED(bp) ? BNX2X_NUM_QUEUES(bp) : \
1997 BNX2X_NUM_ETH_QUEUES(bp)); \
1999 if (skip_rx_queue(bp, var)) \
2003 #define for_each_rx_queue_cnic(bp, var) \
2004 for ((var) = BNX2X_NUM_ETH_QUEUES(bp); (var) < BNX2X_NUM_QUEUES(bp); \
2006 if (skip_rx_queue(bp, var)) \
2010 #define for_each_rx_queue(bp, var) \
2011 for ((var) = 0; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
2012 if (skip_rx_queue(bp, var)) \
2017 #define for_each_valid_tx_queue(bp, var) \
2019 (var) < (CNIC_LOADED(bp) ? BNX2X_NUM_QUEUES(bp) : \
2020 BNX2X_NUM_ETH_QUEUES(bp)); \
2022 if (skip_tx_queue(bp, var)) \
2026 #define for_each_tx_queue_cnic(bp, var) \
2027 for ((var) = BNX2X_NUM_ETH_QUEUES(bp); (var) < BNX2X_NUM_QUEUES(bp); \
2029 if (skip_tx_queue(bp, var)) \
2033 #define for_each_tx_queue(bp, var) \
2034 for ((var) = 0; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
2035 if (skip_tx_queue(bp, var)) \
2039 #define for_each_nondefault_queue(bp, var) \
2040 for ((var) = 1; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
2041 if (skip_queue(bp, var)) \
2045 #define for_each_cos_in_tx_queue(fp, var) \
2046 for ((var) = 0; (var) < (fp)->max_cos; (var)++)
2049 * if FCOE l2 support is disabled and this is the fcoe L2 queue
2051 #define skip_rx_queue(bp, idx) (NO_FCOE(bp) && IS_FCOE_IDX(idx))
2054 * if FCOE l2 support is disabled and this is the fcoe L2 queue
2056 #define skip_tx_queue(bp, idx) (NO_FCOE(bp) && IS_FCOE_IDX(idx))
2058 #define skip_queue(bp, idx) (NO_FCOE(bp) && IS_FCOE_IDX(idx))
2061 * bnx2x_set_mac_one - configure a single MAC address
2063 * @bp: driver handle
2064 * @mac: MAC to configure
2065 * @obj: MAC object handle
2066 * @set: if 'true' add a new MAC, otherwise - delete
2067 * @mac_type: the type of the MAC to configure (e.g. ETH, UC list)
2068 * @ramrod_flags: RAMROD_XXX flags (e.g. RAMROD_CONT, RAMROD_COMP_WAIT)
2070 * Configures one MAC according to provided parameters or continues the
2071 * execution of previously scheduled commands if RAMROD_CONT is set in
2074 * Returns zero if operation has successfully completed, a positive value if the
2075 * operation has been successfully scheduled and a negative - if a requested
2076 * operations has failed.
2078 int bnx2x_set_mac_one(struct bnx2x *bp, u8 *mac,
2079 struct bnx2x_vlan_mac_obj *obj, bool set,
2080 int mac_type, unsigned long *ramrod_flags);
2082 * bnx2x_del_all_macs - delete all MACs configured for the specific MAC object
2084 * @bp: driver handle
2085 * @mac_obj: MAC object handle
2086 * @mac_type: type of the MACs to clear (BNX2X_XXX_MAC)
2087 * @wait_for_comp: if 'true' block until completion
2089 * Deletes all MACs of the specific type (e.g. ETH, UC list).
2091 * Returns zero if operation has successfully completed, a positive value if the
2092 * operation has been successfully scheduled and a negative - if a requested
2093 * operations has failed.
2095 int bnx2x_del_all_macs(struct bnx2x *bp,
2096 struct bnx2x_vlan_mac_obj *mac_obj,
2097 int mac_type, bool wait_for_comp);
2099 /* Init Function API */
2100 void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p);
2101 void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
2102 u8 vf_valid, int fw_sb_id, int igu_sb_id);
2103 int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port);
2104 int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port);
2105 int bnx2x_set_mult_gpio(struct bnx2x *bp, u8 pins, u32 mode);
2106 int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port);
2107 void bnx2x_read_mf_cfg(struct bnx2x *bp);
2109 int bnx2x_pretend_func(struct bnx2x *bp, u16 pretend_func_val);
2112 void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32);
2113 void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
2115 void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx);
2116 u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type);
2117 u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode);
2118 u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
2119 bool with_comp, u8 comp_type);
2121 void bnx2x_prep_dmae_with_comp(struct bnx2x *bp, struct dmae_command *dmae,
2122 u8 src_type, u8 dst_type);
2123 int bnx2x_issue_dmae_with_comp(struct bnx2x *bp, struct dmae_command *dmae,
2126 /* FLR related routines */
2127 u32 bnx2x_flr_clnup_poll_count(struct bnx2x *bp);
2128 void bnx2x_tx_hw_flushed(struct bnx2x *bp, u32 poll_count);
2129 int bnx2x_send_final_clnup(struct bnx2x *bp, u8 clnup_func, u32 poll_cnt);
2130 u8 bnx2x_is_pcie_pending(struct pci_dev *dev);
2131 int bnx2x_flr_clnup_poll_hw_counter(struct bnx2x *bp, u32 reg,
2132 char *msg, u32 poll_cnt);
2134 void bnx2x_calc_fc_adv(struct bnx2x *bp);
2135 int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
2136 u32 data_hi, u32 data_lo, int cmd_type);
2137 void bnx2x_update_coalesce(struct bnx2x *bp);
2138 int bnx2x_get_cur_phy_idx(struct bnx2x *bp);
2140 bool bnx2x_port_after_undi(struct bnx2x *bp);
2142 static inline u32 reg_poll(struct bnx2x *bp, u32 reg, u32 expected, int ms,
2148 val = REG_RD(bp, reg);
2149 if (val == expected)
2159 void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func, u8 idu_sb_id,
2162 #define BNX2X_ILT_ZALLOC(x, y, size) \
2163 x = dma_zalloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL)
2165 #define BNX2X_ILT_FREE(x, y, size) \
2168 dma_free_coherent(&bp->pdev->dev, size, x, y); \
2174 #define ILOG2(x) (ilog2((x)))
2176 #define ILT_NUM_PAGE_ENTRIES (3072)
2177 /* In 57710/11 we use whole table since we have 8 func
2178 * In 57712 we have only 4 func, but use same size per func, then only half of
2181 #define ILT_PER_FUNC (ILT_NUM_PAGE_ENTRIES/8)
2183 #define FUNC_ILT_BASE(func) (func * ILT_PER_FUNC)
2185 * the phys address is shifted right 12 bits and has an added
2186 * 1=valid bit added to the 53rd bit
2187 * then since this is a wide register(TM)
2188 * we split it into two 32 bit writes
2190 #define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF))
2191 #define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44)))
2193 /* load/unload mode */
2194 #define LOAD_NORMAL 0
2197 #define LOAD_LOOPBACK_EXT 3
2198 #define UNLOAD_NORMAL 0
2199 #define UNLOAD_CLOSE 1
2200 #define UNLOAD_RECOVERY 2
2202 /* DMAE command defines */
2203 #define DMAE_TIMEOUT -1
2204 #define DMAE_PCI_ERROR -2 /* E2 and onward */
2205 #define DMAE_NOT_RDY -3
2206 #define DMAE_PCI_ERR_FLAG 0x80000000
2208 #define DMAE_SRC_PCI 0
2209 #define DMAE_SRC_GRC 1
2211 #define DMAE_DST_NONE 0
2212 #define DMAE_DST_PCI 1
2213 #define DMAE_DST_GRC 2
2215 #define DMAE_COMP_PCI 0
2216 #define DMAE_COMP_GRC 1
2218 /* E2 and onward - PCI error handling in the completion */
2220 #define DMAE_COMP_REGULAR 0
2221 #define DMAE_COM_SET_ERR 1
2223 #define DMAE_CMD_SRC_PCI (DMAE_SRC_PCI << \
2224 DMAE_COMMAND_SRC_SHIFT)
2225 #define DMAE_CMD_SRC_GRC (DMAE_SRC_GRC << \
2226 DMAE_COMMAND_SRC_SHIFT)
2228 #define DMAE_CMD_DST_PCI (DMAE_DST_PCI << \
2229 DMAE_COMMAND_DST_SHIFT)
2230 #define DMAE_CMD_DST_GRC (DMAE_DST_GRC << \
2231 DMAE_COMMAND_DST_SHIFT)
2233 #define DMAE_CMD_C_DST_PCI (DMAE_COMP_PCI << \
2234 DMAE_COMMAND_C_DST_SHIFT)
2235 #define DMAE_CMD_C_DST_GRC (DMAE_COMP_GRC << \
2236 DMAE_COMMAND_C_DST_SHIFT)
2238 #define DMAE_CMD_C_ENABLE DMAE_COMMAND_C_TYPE_ENABLE
2240 #define DMAE_CMD_ENDIANITY_NO_SWAP (0 << DMAE_COMMAND_ENDIANITY_SHIFT)
2241 #define DMAE_CMD_ENDIANITY_B_SWAP (1 << DMAE_COMMAND_ENDIANITY_SHIFT)
2242 #define DMAE_CMD_ENDIANITY_DW_SWAP (2 << DMAE_COMMAND_ENDIANITY_SHIFT)
2243 #define DMAE_CMD_ENDIANITY_B_DW_SWAP (3 << DMAE_COMMAND_ENDIANITY_SHIFT)
2245 #define DMAE_CMD_PORT_0 0
2246 #define DMAE_CMD_PORT_1 DMAE_COMMAND_PORT
2248 #define DMAE_CMD_SRC_RESET DMAE_COMMAND_SRC_RESET
2249 #define DMAE_CMD_DST_RESET DMAE_COMMAND_DST_RESET
2250 #define DMAE_CMD_E1HVN_SHIFT DMAE_COMMAND_E1HVN_SHIFT
2252 #define DMAE_SRC_PF 0
2253 #define DMAE_SRC_VF 1
2255 #define DMAE_DST_PF 0
2256 #define DMAE_DST_VF 1
2258 #define DMAE_C_SRC 0
2259 #define DMAE_C_DST 1
2261 #define DMAE_LEN32_RD_MAX 0x80
2262 #define DMAE_LEN32_WR_MAX(bp) (CHIP_IS_E1(bp) ? 0x400 : 0x2000)
2264 #define DMAE_COMP_VAL 0x60d0d0ae /* E2 and on - upper bit
2268 #define MAX_DMAE_C_PER_PORT 8
2269 #define INIT_DMAE_C(bp) (BP_PORT(bp) * MAX_DMAE_C_PER_PORT + \
2271 #define PMF_DMAE_C(bp) (BP_PORT(bp) * MAX_DMAE_C_PER_PORT + \
2274 /* PCIE link and speed */
2275 #define PCICFG_LINK_WIDTH 0x1f00000
2276 #define PCICFG_LINK_WIDTH_SHIFT 20
2277 #define PCICFG_LINK_SPEED 0xf0000
2278 #define PCICFG_LINK_SPEED_SHIFT 16
2280 #define BNX2X_NUM_TESTS_SF 7
2281 #define BNX2X_NUM_TESTS_MF 3
2282 #define BNX2X_NUM_TESTS(bp) (IS_MF(bp) ? BNX2X_NUM_TESTS_MF : \
2283 IS_VF(bp) ? 0 : BNX2X_NUM_TESTS_SF)
2285 #define BNX2X_PHY_LOOPBACK 0
2286 #define BNX2X_MAC_LOOPBACK 1
2287 #define BNX2X_EXT_LOOPBACK 2
2288 #define BNX2X_PHY_LOOPBACK_FAILED 1
2289 #define BNX2X_MAC_LOOPBACK_FAILED 2
2290 #define BNX2X_EXT_LOOPBACK_FAILED 3
2291 #define BNX2X_LOOPBACK_FAILED (BNX2X_MAC_LOOPBACK_FAILED | \
2292 BNX2X_PHY_LOOPBACK_FAILED)
2294 #define STROM_ASSERT_ARRAY_SIZE 50
2296 /* must be used on a CID before placing it on a HW ring */
2297 #define HW_CID(bp, x) ((BP_PORT(bp) << 23) | \
2298 (BP_VN(bp) << BNX2X_SWCID_SHIFT) | \
2301 #define SP_DESC_CNT (BCM_PAGE_SIZE / sizeof(struct eth_spe))
2302 #define MAX_SP_DESC_CNT (SP_DESC_CNT - 1)
2305 #define MAX_SPQ_PENDING 8
2307 /* CMNG constants, as derived from system spec calculations */
2308 /* default MIN rate in case VNIC min rate is configured to zero - 100Mbps */
2309 #define DEF_MIN_RATE 100
2310 /* resolution of the rate shaping timer - 400 usec */
2311 #define RS_PERIODIC_TIMEOUT_USEC 400
2312 /* number of bytes in single QM arbitration cycle -
2313 * coefficient for calculating the fairness timer */
2314 #define QM_ARB_BYTES 160000
2315 /* resolution of Min algorithm 1:100 */
2317 /* how many bytes above threshold for the minimal credit of Min algorithm*/
2318 #define MIN_ABOVE_THRESH 32768
2319 /* Fairness algorithm integration time coefficient -
2320 * for calculating the actual Tfair */
2321 #define T_FAIR_COEF ((MIN_ABOVE_THRESH + QM_ARB_BYTES) * 8 * MIN_RES)
2322 /* Memory of fairness algorithm . 2 cycles */
2325 #define ATTN_NIG_FOR_FUNC (1L << 8)
2326 #define ATTN_SW_TIMER_4_FUNC (1L << 9)
2327 #define GPIO_2_FUNC (1L << 10)
2328 #define GPIO_3_FUNC (1L << 11)
2329 #define GPIO_4_FUNC (1L << 12)
2330 #define ATTN_GENERAL_ATTN_1 (1L << 13)
2331 #define ATTN_GENERAL_ATTN_2 (1L << 14)
2332 #define ATTN_GENERAL_ATTN_3 (1L << 15)
2333 #define ATTN_GENERAL_ATTN_4 (1L << 13)
2334 #define ATTN_GENERAL_ATTN_5 (1L << 14)
2335 #define ATTN_GENERAL_ATTN_6 (1L << 15)
2337 #define ATTN_HARD_WIRED_MASK 0xff00
2338 #define ATTENTION_ID 4
2340 #define IS_MF_STORAGE_ONLY(bp) (IS_MF_STORAGE_PERSONALITY_ONLY(bp) || \
2341 IS_MF_FCOE_AFEX(bp))
2343 /* stuff added to make the code fit 80Col */
2345 #define BNX2X_PMF_LINK_ASSERT \
2346 GENERAL_ATTEN_OFFSET(LINK_SYNC_ATTENTION_BIT_FUNC_0 + BP_FUNC(bp))
2348 #define BNX2X_MC_ASSERT_BITS \
2349 (GENERAL_ATTEN_OFFSET(TSTORM_FATAL_ASSERT_ATTENTION_BIT) | \
2350 GENERAL_ATTEN_OFFSET(USTORM_FATAL_ASSERT_ATTENTION_BIT) | \
2351 GENERAL_ATTEN_OFFSET(CSTORM_FATAL_ASSERT_ATTENTION_BIT) | \
2352 GENERAL_ATTEN_OFFSET(XSTORM_FATAL_ASSERT_ATTENTION_BIT))
2354 #define BNX2X_MCP_ASSERT \
2355 GENERAL_ATTEN_OFFSET(MCP_FATAL_ASSERT_ATTENTION_BIT)
2357 #define BNX2X_GRC_TIMEOUT GENERAL_ATTEN_OFFSET(LATCHED_ATTN_TIMEOUT_GRC)
2358 #define BNX2X_GRC_RSV (GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCR) | \
2359 GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCT) | \
2360 GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCN) | \
2361 GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCU) | \
2362 GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCP) | \
2363 GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RSVD_GRC))
2365 #define HW_INTERRUT_ASSERT_SET_0 \
2366 (AEU_INPUTS_ATTN_BITS_TSDM_HW_INTERRUPT | \
2367 AEU_INPUTS_ATTN_BITS_TCM_HW_INTERRUPT | \
2368 AEU_INPUTS_ATTN_BITS_TSEMI_HW_INTERRUPT | \
2369 AEU_INPUTS_ATTN_BITS_BRB_HW_INTERRUPT | \
2370 AEU_INPUTS_ATTN_BITS_PBCLIENT_HW_INTERRUPT)
2371 #define HW_PRTY_ASSERT_SET_0 (AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR | \
2372 AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR | \
2373 AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR | \
2374 AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR |\
2375 AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR |\
2376 AEU_INPUTS_ATTN_BITS_TCM_PARITY_ERROR |\
2377 AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR)
2378 #define HW_INTERRUT_ASSERT_SET_1 \
2379 (AEU_INPUTS_ATTN_BITS_QM_HW_INTERRUPT | \
2380 AEU_INPUTS_ATTN_BITS_TIMERS_HW_INTERRUPT | \
2381 AEU_INPUTS_ATTN_BITS_XSDM_HW_INTERRUPT | \
2382 AEU_INPUTS_ATTN_BITS_XCM_HW_INTERRUPT | \
2383 AEU_INPUTS_ATTN_BITS_XSEMI_HW_INTERRUPT | \
2384 AEU_INPUTS_ATTN_BITS_USDM_HW_INTERRUPT | \
2385 AEU_INPUTS_ATTN_BITS_UCM_HW_INTERRUPT | \
2386 AEU_INPUTS_ATTN_BITS_USEMI_HW_INTERRUPT | \
2387 AEU_INPUTS_ATTN_BITS_UPB_HW_INTERRUPT | \
2388 AEU_INPUTS_ATTN_BITS_CSDM_HW_INTERRUPT | \
2389 AEU_INPUTS_ATTN_BITS_CCM_HW_INTERRUPT)
2390 #define HW_PRTY_ASSERT_SET_1 (AEU_INPUTS_ATTN_BITS_PBF_PARITY_ERROR |\
2391 AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR | \
2392 AEU_INPUTS_ATTN_BITS_TIMERS_PARITY_ERROR |\
2393 AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR | \
2394 AEU_INPUTS_ATTN_BITS_XCM_PARITY_ERROR |\
2395 AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR | \
2396 AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR |\
2397 AEU_INPUTS_ATTN_BITS_NIG_PARITY_ERROR |\
2398 AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR |\
2399 AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR | \
2400 AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR | \
2401 AEU_INPUTS_ATTN_BITS_UCM_PARITY_ERROR |\
2402 AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR | \
2403 AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR | \
2404 AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR |\
2405 AEU_INPUTS_ATTN_BITS_CCM_PARITY_ERROR)
2406 #define HW_INTERRUT_ASSERT_SET_2 \
2407 (AEU_INPUTS_ATTN_BITS_CSEMI_HW_INTERRUPT | \
2408 AEU_INPUTS_ATTN_BITS_CDU_HW_INTERRUPT | \
2409 AEU_INPUTS_ATTN_BITS_DMAE_HW_INTERRUPT | \
2410 AEU_INPUTS_ATTN_BITS_PXPPCICLOCKCLIENT_HW_INTERRUPT |\
2411 AEU_INPUTS_ATTN_BITS_MISC_HW_INTERRUPT)
2412 #define HW_PRTY_ASSERT_SET_2 (AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR | \
2413 AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR | \
2414 AEU_INPUTS_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR |\
2415 AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR | \
2416 AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR | \
2417 AEU_INPUTS_ATTN_BITS_DMAE_PARITY_ERROR |\
2418 AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR | \
2419 AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR)
2421 #define HW_PRTY_ASSERT_SET_3_WITHOUT_SCPAD \
2422 (AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY | \
2423 AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY | \
2424 AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY)
2426 #define HW_PRTY_ASSERT_SET_3 (HW_PRTY_ASSERT_SET_3_WITHOUT_SCPAD | \
2427 AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY)
2429 #define HW_PRTY_ASSERT_SET_4 (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR | \
2430 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)
2432 #define MULTI_MASK 0x7f
2434 #define DEF_USB_FUNC_OFF offsetof(struct cstorm_def_status_block_u, func)
2435 #define DEF_CSB_FUNC_OFF offsetof(struct cstorm_def_status_block_c, func)
2436 #define DEF_XSB_FUNC_OFF offsetof(struct xstorm_def_status_block, func)
2437 #define DEF_TSB_FUNC_OFF offsetof(struct tstorm_def_status_block, func)
2439 #define DEF_USB_IGU_INDEX_OFF \
2440 offsetof(struct cstorm_def_status_block_u, igu_index)
2441 #define DEF_CSB_IGU_INDEX_OFF \
2442 offsetof(struct cstorm_def_status_block_c, igu_index)
2443 #define DEF_XSB_IGU_INDEX_OFF \
2444 offsetof(struct xstorm_def_status_block, igu_index)
2445 #define DEF_TSB_IGU_INDEX_OFF \
2446 offsetof(struct tstorm_def_status_block, igu_index)
2448 #define DEF_USB_SEGMENT_OFF \
2449 offsetof(struct cstorm_def_status_block_u, segment)
2450 #define DEF_CSB_SEGMENT_OFF \
2451 offsetof(struct cstorm_def_status_block_c, segment)
2452 #define DEF_XSB_SEGMENT_OFF \
2453 offsetof(struct xstorm_def_status_block, segment)
2454 #define DEF_TSB_SEGMENT_OFF \
2455 offsetof(struct tstorm_def_status_block, segment)
2457 #define BNX2X_SP_DSB_INDEX \
2458 (&bp->def_status_blk->sp_sb.\
2459 index_values[HC_SP_INDEX_ETH_DEF_CONS])
2461 #define CAM_IS_INVALID(x) \
2462 (GET_FLAG(x.flags, \
2463 MAC_CONFIGURATION_ENTRY_ACTION_TYPE) == \
2464 (T_ETH_MAC_COMMAND_INVALIDATE))
2466 /* Number of u32 elements in MC hash array */
2467 #define MC_HASH_SIZE 8
2468 #define MC_HASH_OFFSET(bp, i) (BAR_TSTRORM_INTMEM + \
2469 TSTORM_APPROXIMATE_MATCH_MULTICAST_FILTERING_OFFSET(BP_FUNC(bp)) + i*4)
2471 #ifndef PXP2_REG_PXP2_INT_STS
2472 #define PXP2_REG_PXP2_INT_STS PXP2_REG_PXP2_INT_STS_0
2475 #ifndef ETH_MAX_RX_CLIENTS_E2
2476 #define ETH_MAX_RX_CLIENTS_E2 ETH_MAX_RX_CLIENTS_E1H
2479 #define BNX2X_VPD_LEN 128
2480 #define VENDOR_ID_LEN 4
2482 #define VF_ACQUIRE_THRESH 3
2483 #define VF_ACQUIRE_MAC_FILTERS 1
2484 #define VF_ACQUIRE_MC_FILTERS 10
2486 #define GOOD_ME_REG(me_reg) (((me_reg) & ME_REG_VF_VALID) && \
2487 (!((me_reg) & ME_REG_VF_ERR)))
2488 int bnx2x_compare_fw_ver(struct bnx2x *bp, u32 load_code, bool print_err);
2490 /* Congestion management fairness mode */
2491 #define CMNG_FNS_NONE 0
2492 #define CMNG_FNS_MINMAX 1
2494 #define HC_SEG_ACCESS_DEF 0 /*Driver decision 0-3*/
2495 #define HC_SEG_ACCESS_ATTN 4
2496 #define HC_SEG_ACCESS_NORM 0 /*Driver decision 0-1*/
2498 static const u32 dmae_reg_go_c[] = {
2499 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
2500 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
2501 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
2502 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
2505 void bnx2x_set_ethtool_ops(struct bnx2x *bp, struct net_device *netdev);
2506 void bnx2x_notify_link_changed(struct bnx2x *bp);
2508 #define BNX2X_MF_SD_PROTOCOL(bp) \
2509 ((bp)->mf_config[BP_VN(bp)] & FUNC_MF_CFG_PROTOCOL_MASK)
2511 #define BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp) \
2512 (BNX2X_MF_SD_PROTOCOL(bp) == FUNC_MF_CFG_PROTOCOL_ISCSI)
2514 #define BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp) \
2515 (BNX2X_MF_SD_PROTOCOL(bp) == FUNC_MF_CFG_PROTOCOL_FCOE)
2517 #define IS_MF_ISCSI_SD(bp) (IS_MF_SD(bp) && BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp))
2518 #define IS_MF_FCOE_SD(bp) (IS_MF_SD(bp) && BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp))
2519 #define IS_MF_ISCSI_SI(bp) (IS_MF_SI(bp) && BNX2X_IS_MF_EXT_PROTOCOL_ISCSI(bp))
2521 #define IS_MF_ISCSI_ONLY(bp) (IS_MF_ISCSI_SD(bp) || IS_MF_ISCSI_SI(bp))
2523 #define BNX2X_MF_EXT_PROTOCOL_MASK \
2524 (MACP_FUNC_CFG_FLAGS_ETHERNET | \
2525 MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD | \
2526 MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD)
2528 #define BNX2X_MF_EXT_PROT(bp) ((bp)->mf_ext_config & \
2529 BNX2X_MF_EXT_PROTOCOL_MASK)
2531 #define BNX2X_HAS_MF_EXT_PROTOCOL_FCOE(bp) \
2532 (BNX2X_MF_EXT_PROT(bp) & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD)
2534 #define BNX2X_IS_MF_EXT_PROTOCOL_FCOE(bp) \
2535 (BNX2X_MF_EXT_PROT(bp) == MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD)
2537 #define BNX2X_IS_MF_EXT_PROTOCOL_ISCSI(bp) \
2538 (BNX2X_MF_EXT_PROT(bp) == MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD)
2540 #define IS_MF_FCOE_AFEX(bp) \
2541 (IS_MF_AFEX(bp) && BNX2X_IS_MF_EXT_PROTOCOL_FCOE(bp))
2543 #define IS_MF_SD_STORAGE_PERSONALITY_ONLY(bp) \
2545 (BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp) || \
2546 BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp)))
2548 #define IS_MF_SI_STORAGE_PERSONALITY_ONLY(bp) \
2550 (BNX2X_IS_MF_EXT_PROTOCOL_ISCSI(bp) || \
2551 BNX2X_IS_MF_EXT_PROTOCOL_FCOE(bp)))
2553 #define IS_MF_STORAGE_PERSONALITY_ONLY(bp) \
2554 (IS_MF_SD_STORAGE_PERSONALITY_ONLY(bp) || \
2555 IS_MF_SI_STORAGE_PERSONALITY_ONLY(bp))
2558 #define SET_FLAG(value, mask, flag) \
2560 (value) &= ~(mask);\
2561 (value) |= ((flag) << (mask##_SHIFT));\
2564 #define GET_FLAG(value, mask) \
2565 (((value) & (mask)) >> (mask##_SHIFT))
2567 #define GET_FIELD(value, fname) \
2568 (((value) & (fname##_MASK)) >> (fname##_SHIFT))
2577 void bnx2x_set_local_cmng(struct bnx2x *bp);
2579 void bnx2x_update_mng_version(struct bnx2x *bp);
2581 #define MCPR_SCRATCH_BASE(bp) \
2582 (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
2584 #define E1H_MAX_MF_SB_COUNT (HC_SB_MAX_SB_E1X/(E1HVN_MAX * PORT_MAX))
2586 void bnx2x_init_ptp(struct bnx2x *bp);
2587 int bnx2x_configure_ptp_filters(struct bnx2x *bp);
2588 void bnx2x_set_rx_ts(struct bnx2x *bp, struct sk_buff *skb);
2590 #define BNX2X_MAX_PHC_DRIFT 31000000
2591 #define BNX2X_PTP_TX_TIMEOUT
2593 #endif /* bnx2x.h */