bnx2x.h 70 KB

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  1. /* bnx2x.h: Broadcom Everest network driver.
  2. *
  3. * Copyright (c) 2007-2013 Broadcom Corporation
  4. *
  5. * This program is free software; you can redistribute it and/or modify
  6. * it under the terms of the GNU General Public License as published by
  7. * the Free Software Foundation.
  8. *
  9. * Maintained by: Eilon Greenstein <eilong@broadcom.com>
  10. * Written by: Eliezer Tamir
  11. * Based on code from Michael Chan's bnx2 driver
  12. */
  13. #ifndef BNX2X_H
  14. #define BNX2X_H
  15. #include <linux/pci.h>
  16. #include <linux/netdevice.h>
  17. #include <linux/dma-mapping.h>
  18. #include <linux/types.h>
  19. #include <linux/pci_regs.h>
  20. /* compilation time flags */
  21. /* define this to make the driver freeze on error to allow getting debug info
  22. * (you will need to reboot afterwards) */
  23. /* #define BNX2X_STOP_ON_ERROR */
  24. #define DRV_MODULE_VERSION "1.78.02-0"
  25. #define DRV_MODULE_RELDATE "2013/01/14"
  26. #define BNX2X_BC_VER 0x040200
  27. #if defined(CONFIG_DCB)
  28. #define BCM_DCBNL
  29. #endif
  30. #include "bnx2x_hsi.h"
  31. #include "../cnic_if.h"
  32. #define BNX2X_MIN_MSIX_VEC_CNT(bp) ((bp)->min_msix_vec_cnt)
  33. #include <linux/mdio.h>
  34. #include "bnx2x_reg.h"
  35. #include "bnx2x_fw_defs.h"
  36. #include "bnx2x_mfw_req.h"
  37. #include "bnx2x_link.h"
  38. #include "bnx2x_sp.h"
  39. #include "bnx2x_dcb.h"
  40. #include "bnx2x_stats.h"
  41. #include "bnx2x_vfpf.h"
  42. enum bnx2x_int_mode {
  43. BNX2X_INT_MODE_MSIX,
  44. BNX2X_INT_MODE_INTX,
  45. BNX2X_INT_MODE_MSI
  46. };
  47. /* error/debug prints */
  48. #define DRV_MODULE_NAME "bnx2x"
  49. /* for messages that are currently off */
  50. #define BNX2X_MSG_OFF 0x0
  51. #define BNX2X_MSG_MCP 0x0010000 /* was: NETIF_MSG_HW */
  52. #define BNX2X_MSG_STATS 0x0020000 /* was: NETIF_MSG_TIMER */
  53. #define BNX2X_MSG_NVM 0x0040000 /* was: NETIF_MSG_HW */
  54. #define BNX2X_MSG_DMAE 0x0080000 /* was: NETIF_MSG_HW */
  55. #define BNX2X_MSG_SP 0x0100000 /* was: NETIF_MSG_INTR */
  56. #define BNX2X_MSG_FP 0x0200000 /* was: NETIF_MSG_INTR */
  57. #define BNX2X_MSG_IOV 0x0800000
  58. #define BNX2X_MSG_IDLE 0x2000000 /* used for idle check*/
  59. #define BNX2X_MSG_ETHTOOL 0x4000000
  60. #define BNX2X_MSG_DCB 0x8000000
  61. /* regular debug print */
  62. #define DP(__mask, fmt, ...) \
  63. do { \
  64. if (unlikely(bp->msg_enable & (__mask))) \
  65. pr_notice("[%s:%d(%s)]" fmt, \
  66. __func__, __LINE__, \
  67. bp->dev ? (bp->dev->name) : "?", \
  68. ##__VA_ARGS__); \
  69. } while (0)
  70. #define DP_CONT(__mask, fmt, ...) \
  71. do { \
  72. if (unlikely(bp->msg_enable & (__mask))) \
  73. pr_cont(fmt, ##__VA_ARGS__); \
  74. } while (0)
  75. /* errors debug print */
  76. #define BNX2X_DBG_ERR(fmt, ...) \
  77. do { \
  78. if (unlikely(netif_msg_probe(bp))) \
  79. pr_err("[%s:%d(%s)]" fmt, \
  80. __func__, __LINE__, \
  81. bp->dev ? (bp->dev->name) : "?", \
  82. ##__VA_ARGS__); \
  83. } while (0)
  84. /* for errors (never masked) */
  85. #define BNX2X_ERR(fmt, ...) \
  86. do { \
  87. pr_err("[%s:%d(%s)]" fmt, \
  88. __func__, __LINE__, \
  89. bp->dev ? (bp->dev->name) : "?", \
  90. ##__VA_ARGS__); \
  91. } while (0)
  92. #define BNX2X_ERROR(fmt, ...) \
  93. pr_err("[%s:%d]" fmt, __func__, __LINE__, ##__VA_ARGS__)
  94. /* before we have a dev->name use dev_info() */
  95. #define BNX2X_DEV_INFO(fmt, ...) \
  96. do { \
  97. if (unlikely(netif_msg_probe(bp))) \
  98. dev_info(&bp->pdev->dev, fmt, ##__VA_ARGS__); \
  99. } while (0)
  100. #ifdef BNX2X_STOP_ON_ERROR
  101. #define bnx2x_panic() \
  102. do { \
  103. bp->panic = 1; \
  104. BNX2X_ERR("driver assert\n"); \
  105. bnx2x_panic_dump(bp, true); \
  106. } while (0)
  107. #else
  108. #define bnx2x_panic() \
  109. do { \
  110. bp->panic = 1; \
  111. BNX2X_ERR("driver assert\n"); \
  112. bnx2x_panic_dump(bp, false); \
  113. } while (0)
  114. #endif
  115. #define bnx2x_mc_addr(ha) ((ha)->addr)
  116. #define bnx2x_uc_addr(ha) ((ha)->addr)
  117. #define U64_LO(x) ((u32)(((u64)(x)) & 0xffffffff))
  118. #define U64_HI(x) ((u32)(((u64)(x)) >> 32))
  119. #define HILO_U64(hi, lo) ((((u64)(hi)) << 32) + (lo))
  120. #define REG_ADDR(bp, offset) ((bp->regview) + (offset))
  121. #define REG_RD(bp, offset) readl(REG_ADDR(bp, offset))
  122. #define REG_RD8(bp, offset) readb(REG_ADDR(bp, offset))
  123. #define REG_RD16(bp, offset) readw(REG_ADDR(bp, offset))
  124. #define REG_WR(bp, offset, val) writel((u32)val, REG_ADDR(bp, offset))
  125. #define REG_WR8(bp, offset, val) writeb((u8)val, REG_ADDR(bp, offset))
  126. #define REG_WR16(bp, offset, val) writew((u16)val, REG_ADDR(bp, offset))
  127. #define REG_RD_IND(bp, offset) bnx2x_reg_rd_ind(bp, offset)
  128. #define REG_WR_IND(bp, offset, val) bnx2x_reg_wr_ind(bp, offset, val)
  129. #define REG_RD_DMAE(bp, offset, valp, len32) \
  130. do { \
  131. bnx2x_read_dmae(bp, offset, len32);\
  132. memcpy(valp, bnx2x_sp(bp, wb_data[0]), (len32) * 4); \
  133. } while (0)
  134. #define REG_WR_DMAE(bp, offset, valp, len32) \
  135. do { \
  136. memcpy(bnx2x_sp(bp, wb_data[0]), valp, (len32) * 4); \
  137. bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data), \
  138. offset, len32); \
  139. } while (0)
  140. #define REG_WR_DMAE_LEN(bp, offset, valp, len32) \
  141. REG_WR_DMAE(bp, offset, valp, len32)
  142. #define VIRT_WR_DMAE_LEN(bp, data, addr, len32, le32_swap) \
  143. do { \
  144. memcpy(GUNZIP_BUF(bp), data, (len32) * 4); \
  145. bnx2x_write_big_buf_wb(bp, addr, len32); \
  146. } while (0)
  147. #define SHMEM_ADDR(bp, field) (bp->common.shmem_base + \
  148. offsetof(struct shmem_region, field))
  149. #define SHMEM_RD(bp, field) REG_RD(bp, SHMEM_ADDR(bp, field))
  150. #define SHMEM_WR(bp, field, val) REG_WR(bp, SHMEM_ADDR(bp, field), val)
  151. #define SHMEM2_ADDR(bp, field) (bp->common.shmem2_base + \
  152. offsetof(struct shmem2_region, field))
  153. #define SHMEM2_RD(bp, field) REG_RD(bp, SHMEM2_ADDR(bp, field))
  154. #define SHMEM2_WR(bp, field, val) REG_WR(bp, SHMEM2_ADDR(bp, field), val)
  155. #define MF_CFG_ADDR(bp, field) (bp->common.mf_cfg_base + \
  156. offsetof(struct mf_cfg, field))
  157. #define MF2_CFG_ADDR(bp, field) (bp->common.mf2_cfg_base + \
  158. offsetof(struct mf2_cfg, field))
  159. #define MF_CFG_RD(bp, field) REG_RD(bp, MF_CFG_ADDR(bp, field))
  160. #define MF_CFG_WR(bp, field, val) REG_WR(bp,\
  161. MF_CFG_ADDR(bp, field), (val))
  162. #define MF2_CFG_RD(bp, field) REG_RD(bp, MF2_CFG_ADDR(bp, field))
  163. #define SHMEM2_HAS(bp, field) ((bp)->common.shmem2_base && \
  164. (SHMEM2_RD((bp), size) > \
  165. offsetof(struct shmem2_region, field)))
  166. #define EMAC_RD(bp, reg) REG_RD(bp, emac_base + reg)
  167. #define EMAC_WR(bp, reg, val) REG_WR(bp, emac_base + reg, val)
  168. /* SP SB indices */
  169. /* General SP events - stats query, cfc delete, etc */
  170. #define HC_SP_INDEX_ETH_DEF_CONS 3
  171. /* EQ completions */
  172. #define HC_SP_INDEX_EQ_CONS 7
  173. /* FCoE L2 connection completions */
  174. #define HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS 6
  175. #define HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS 4
  176. /* iSCSI L2 */
  177. #define HC_SP_INDEX_ETH_ISCSI_CQ_CONS 5
  178. #define HC_SP_INDEX_ETH_ISCSI_RX_CQ_CONS 1
  179. /* Special clients parameters */
  180. /* SB indices */
  181. /* FCoE L2 */
  182. #define BNX2X_FCOE_L2_RX_INDEX \
  183. (&bp->def_status_blk->sp_sb.\
  184. index_values[HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS])
  185. #define BNX2X_FCOE_L2_TX_INDEX \
  186. (&bp->def_status_blk->sp_sb.\
  187. index_values[HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS])
  188. /**
  189. * CIDs and CLIDs:
  190. * CLIDs below is a CLID for func 0, then the CLID for other
  191. * functions will be calculated by the formula:
  192. *
  193. * FUNC_N_CLID_X = N * NUM_SPECIAL_CLIENTS + FUNC_0_CLID_X
  194. *
  195. */
  196. enum {
  197. BNX2X_ISCSI_ETH_CL_ID_IDX,
  198. BNX2X_FCOE_ETH_CL_ID_IDX,
  199. BNX2X_MAX_CNIC_ETH_CL_ID_IDX,
  200. };
  201. #define BNX2X_CNIC_START_ETH_CID(bp) (BNX2X_NUM_NON_CNIC_QUEUES(bp) *\
  202. (bp)->max_cos)
  203. /* iSCSI L2 */
  204. #define BNX2X_ISCSI_ETH_CID(bp) (BNX2X_CNIC_START_ETH_CID(bp))
  205. /* FCoE L2 */
  206. #define BNX2X_FCOE_ETH_CID(bp) (BNX2X_CNIC_START_ETH_CID(bp) + 1)
  207. #define CNIC_SUPPORT(bp) ((bp)->cnic_support)
  208. #define CNIC_ENABLED(bp) ((bp)->cnic_enabled)
  209. #define CNIC_LOADED(bp) ((bp)->cnic_loaded)
  210. #define FCOE_INIT(bp) ((bp)->fcoe_init)
  211. #define AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR \
  212. AEU_INPUTS_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR
  213. #define SM_RX_ID 0
  214. #define SM_TX_ID 1
  215. /* defines for multiple tx priority indices */
  216. #define FIRST_TX_ONLY_COS_INDEX 1
  217. #define FIRST_TX_COS_INDEX 0
  218. /* rules for calculating the cids of tx-only connections */
  219. #define CID_TO_FP(cid, bp) ((cid) % BNX2X_NUM_NON_CNIC_QUEUES(bp))
  220. #define CID_COS_TO_TX_ONLY_CID(cid, cos, bp) \
  221. (cid + cos * BNX2X_NUM_NON_CNIC_QUEUES(bp))
  222. /* fp index inside class of service range */
  223. #define FP_COS_TO_TXQ(fp, cos, bp) \
  224. ((fp)->index + cos * BNX2X_NUM_NON_CNIC_QUEUES(bp))
  225. /* Indexes for transmission queues array:
  226. * txdata for RSS i CoS j is at location i + (j * num of RSS)
  227. * txdata for FCoE (if exist) is at location max cos * num of RSS
  228. * txdata for FWD (if exist) is one location after FCoE
  229. * txdata for OOO (if exist) is one location after FWD
  230. */
  231. enum {
  232. FCOE_TXQ_IDX_OFFSET,
  233. FWD_TXQ_IDX_OFFSET,
  234. OOO_TXQ_IDX_OFFSET,
  235. };
  236. #define MAX_ETH_TXQ_IDX(bp) (BNX2X_NUM_NON_CNIC_QUEUES(bp) * (bp)->max_cos)
  237. #define FCOE_TXQ_IDX(bp) (MAX_ETH_TXQ_IDX(bp) + FCOE_TXQ_IDX_OFFSET)
  238. /* fast path */
  239. /*
  240. * This driver uses new build_skb() API :
  241. * RX ring buffer contains pointer to kmalloc() data only,
  242. * skb are built only after Hardware filled the frame.
  243. */
  244. struct sw_rx_bd {
  245. u8 *data;
  246. DEFINE_DMA_UNMAP_ADDR(mapping);
  247. };
  248. struct sw_tx_bd {
  249. struct sk_buff *skb;
  250. u16 first_bd;
  251. u8 flags;
  252. /* Set on the first BD descriptor when there is a split BD */
  253. #define BNX2X_TSO_SPLIT_BD (1<<0)
  254. };
  255. struct sw_rx_page {
  256. struct page *page;
  257. DEFINE_DMA_UNMAP_ADDR(mapping);
  258. };
  259. union db_prod {
  260. struct doorbell_set_prod data;
  261. u32 raw;
  262. };
  263. /* dropless fc FW/HW related params */
  264. #define BRB_SIZE(bp) (CHIP_IS_E3(bp) ? 1024 : 512)
  265. #define MAX_AGG_QS(bp) (CHIP_IS_E1(bp) ? \
  266. ETH_MAX_AGGREGATION_QUEUES_E1 :\
  267. ETH_MAX_AGGREGATION_QUEUES_E1H_E2)
  268. #define FW_DROP_LEVEL(bp) (3 + MAX_SPQ_PENDING + MAX_AGG_QS(bp))
  269. #define FW_PREFETCH_CNT 16
  270. #define DROPLESS_FC_HEADROOM 100
  271. /* MC hsi */
  272. #define BCM_PAGE_SHIFT 12
  273. #define BCM_PAGE_SIZE (1 << BCM_PAGE_SHIFT)
  274. #define BCM_PAGE_MASK (~(BCM_PAGE_SIZE - 1))
  275. #define BCM_PAGE_ALIGN(addr) (((addr) + BCM_PAGE_SIZE - 1) & BCM_PAGE_MASK)
  276. #define PAGES_PER_SGE_SHIFT 0
  277. #define PAGES_PER_SGE (1 << PAGES_PER_SGE_SHIFT)
  278. #define SGE_PAGE_SIZE PAGE_SIZE
  279. #define SGE_PAGE_SHIFT PAGE_SHIFT
  280. #define SGE_PAGE_ALIGN(addr) PAGE_ALIGN((typeof(PAGE_SIZE))(addr))
  281. #define SGE_PAGES (SGE_PAGE_SIZE * PAGES_PER_SGE)
  282. #define TPA_AGG_SIZE min_t(u32, (min_t(u32, 8, MAX_SKB_FRAGS) * \
  283. SGE_PAGES), 0xffff)
  284. /* SGE ring related macros */
  285. #define NUM_RX_SGE_PAGES 2
  286. #define RX_SGE_CNT (BCM_PAGE_SIZE / sizeof(struct eth_rx_sge))
  287. #define NEXT_PAGE_SGE_DESC_CNT 2
  288. #define MAX_RX_SGE_CNT (RX_SGE_CNT - NEXT_PAGE_SGE_DESC_CNT)
  289. /* RX_SGE_CNT is promised to be a power of 2 */
  290. #define RX_SGE_MASK (RX_SGE_CNT - 1)
  291. #define NUM_RX_SGE (RX_SGE_CNT * NUM_RX_SGE_PAGES)
  292. #define MAX_RX_SGE (NUM_RX_SGE - 1)
  293. #define NEXT_SGE_IDX(x) ((((x) & RX_SGE_MASK) == \
  294. (MAX_RX_SGE_CNT - 1)) ? \
  295. (x) + 1 + NEXT_PAGE_SGE_DESC_CNT : \
  296. (x) + 1)
  297. #define RX_SGE(x) ((x) & MAX_RX_SGE)
  298. /*
  299. * Number of required SGEs is the sum of two:
  300. * 1. Number of possible opened aggregations (next packet for
  301. * these aggregations will probably consume SGE immidiatelly)
  302. * 2. Rest of BRB blocks divided by 2 (block will consume new SGE only
  303. * after placement on BD for new TPA aggregation)
  304. *
  305. * Takes into account NEXT_PAGE_SGE_DESC_CNT "next" elements on each page
  306. */
  307. #define NUM_SGE_REQ (MAX_AGG_QS(bp) + \
  308. (BRB_SIZE(bp) - MAX_AGG_QS(bp)) / 2)
  309. #define NUM_SGE_PG_REQ ((NUM_SGE_REQ + MAX_RX_SGE_CNT - 1) / \
  310. MAX_RX_SGE_CNT)
  311. #define SGE_TH_LO(bp) (NUM_SGE_REQ + \
  312. NUM_SGE_PG_REQ * NEXT_PAGE_SGE_DESC_CNT)
  313. #define SGE_TH_HI(bp) (SGE_TH_LO(bp) + DROPLESS_FC_HEADROOM)
  314. /* Manipulate a bit vector defined as an array of u64 */
  315. /* Number of bits in one sge_mask array element */
  316. #define BIT_VEC64_ELEM_SZ 64
  317. #define BIT_VEC64_ELEM_SHIFT 6
  318. #define BIT_VEC64_ELEM_MASK ((u64)BIT_VEC64_ELEM_SZ - 1)
  319. #define __BIT_VEC64_SET_BIT(el, bit) \
  320. do { \
  321. el = ((el) | ((u64)0x1 << (bit))); \
  322. } while (0)
  323. #define __BIT_VEC64_CLEAR_BIT(el, bit) \
  324. do { \
  325. el = ((el) & (~((u64)0x1 << (bit)))); \
  326. } while (0)
  327. #define BIT_VEC64_SET_BIT(vec64, idx) \
  328. __BIT_VEC64_SET_BIT((vec64)[(idx) >> BIT_VEC64_ELEM_SHIFT], \
  329. (idx) & BIT_VEC64_ELEM_MASK)
  330. #define BIT_VEC64_CLEAR_BIT(vec64, idx) \
  331. __BIT_VEC64_CLEAR_BIT((vec64)[(idx) >> BIT_VEC64_ELEM_SHIFT], \
  332. (idx) & BIT_VEC64_ELEM_MASK)
  333. #define BIT_VEC64_TEST_BIT(vec64, idx) \
  334. (((vec64)[(idx) >> BIT_VEC64_ELEM_SHIFT] >> \
  335. ((idx) & BIT_VEC64_ELEM_MASK)) & 0x1)
  336. /* Creates a bitmask of all ones in less significant bits.
  337. idx - index of the most significant bit in the created mask */
  338. #define BIT_VEC64_ONES_MASK(idx) \
  339. (((u64)0x1 << (((idx) & BIT_VEC64_ELEM_MASK) + 1)) - 1)
  340. #define BIT_VEC64_ELEM_ONE_MASK ((u64)(~0))
  341. /*******************************************************/
  342. /* Number of u64 elements in SGE mask array */
  343. #define RX_SGE_MASK_LEN (NUM_RX_SGE / BIT_VEC64_ELEM_SZ)
  344. #define RX_SGE_MASK_LEN_MASK (RX_SGE_MASK_LEN - 1)
  345. #define NEXT_SGE_MASK_ELEM(el) (((el) + 1) & RX_SGE_MASK_LEN_MASK)
  346. union host_hc_status_block {
  347. /* pointer to fp status block e1x */
  348. struct host_hc_status_block_e1x *e1x_sb;
  349. /* pointer to fp status block e2 */
  350. struct host_hc_status_block_e2 *e2_sb;
  351. };
  352. struct bnx2x_agg_info {
  353. /*
  354. * First aggregation buffer is a data buffer, the following - are pages.
  355. * We will preallocate the data buffer for each aggregation when
  356. * we open the interface and will replace the BD at the consumer
  357. * with this one when we receive the TPA_START CQE in order to
  358. * keep the Rx BD ring consistent.
  359. */
  360. struct sw_rx_bd first_buf;
  361. u8 tpa_state;
  362. #define BNX2X_TPA_START 1
  363. #define BNX2X_TPA_STOP 2
  364. #define BNX2X_TPA_ERROR 3
  365. u8 placement_offset;
  366. u16 parsing_flags;
  367. u16 vlan_tag;
  368. u16 len_on_bd;
  369. u32 rxhash;
  370. bool l4_rxhash;
  371. u16 gro_size;
  372. u16 full_page;
  373. };
  374. #define Q_STATS_OFFSET32(stat_name) \
  375. (offsetof(struct bnx2x_eth_q_stats, stat_name) / 4)
  376. struct bnx2x_fp_txdata {
  377. struct sw_tx_bd *tx_buf_ring;
  378. union eth_tx_bd_types *tx_desc_ring;
  379. dma_addr_t tx_desc_mapping;
  380. u32 cid;
  381. union db_prod tx_db;
  382. u16 tx_pkt_prod;
  383. u16 tx_pkt_cons;
  384. u16 tx_bd_prod;
  385. u16 tx_bd_cons;
  386. unsigned long tx_pkt;
  387. __le16 *tx_cons_sb;
  388. int txq_index;
  389. struct bnx2x_fastpath *parent_fp;
  390. int tx_ring_size;
  391. };
  392. enum bnx2x_tpa_mode_t {
  393. TPA_MODE_LRO,
  394. TPA_MODE_GRO
  395. };
  396. struct bnx2x_fastpath {
  397. struct bnx2x *bp; /* parent */
  398. #define BNX2X_NAPI_WEIGHT 128
  399. struct napi_struct napi;
  400. union host_hc_status_block status_blk;
  401. /* chip independed shortcuts into sb structure */
  402. __le16 *sb_index_values;
  403. __le16 *sb_running_index;
  404. /* chip independed shortcut into rx_prods_offset memory */
  405. u32 ustorm_rx_prods_offset;
  406. u32 rx_buf_size;
  407. u32 rx_frag_size; /* 0 if kmalloced(), or rx_buf_size + NET_SKB_PAD */
  408. dma_addr_t status_blk_mapping;
  409. enum bnx2x_tpa_mode_t mode;
  410. u8 max_cos; /* actual number of active tx coses */
  411. struct bnx2x_fp_txdata *txdata_ptr[BNX2X_MULTI_TX_COS];
  412. struct sw_rx_bd *rx_buf_ring; /* BDs mappings ring */
  413. struct sw_rx_page *rx_page_ring; /* SGE pages mappings ring */
  414. struct eth_rx_bd *rx_desc_ring;
  415. dma_addr_t rx_desc_mapping;
  416. union eth_rx_cqe *rx_comp_ring;
  417. dma_addr_t rx_comp_mapping;
  418. /* SGE ring */
  419. struct eth_rx_sge *rx_sge_ring;
  420. dma_addr_t rx_sge_mapping;
  421. u64 sge_mask[RX_SGE_MASK_LEN];
  422. u32 cid;
  423. __le16 fp_hc_idx;
  424. u8 index; /* number in fp array */
  425. u8 rx_queue; /* index for skb_record */
  426. u8 cl_id; /* eth client id */
  427. u8 cl_qzone_id;
  428. u8 fw_sb_id; /* status block number in FW */
  429. u8 igu_sb_id; /* status block number in HW */
  430. u16 rx_bd_prod;
  431. u16 rx_bd_cons;
  432. u16 rx_comp_prod;
  433. u16 rx_comp_cons;
  434. u16 rx_sge_prod;
  435. /* The last maximal completed SGE */
  436. u16 last_max_sge;
  437. __le16 *rx_cons_sb;
  438. unsigned long rx_pkt,
  439. rx_calls;
  440. /* TPA related */
  441. struct bnx2x_agg_info *tpa_info;
  442. u8 disable_tpa;
  443. #ifdef BNX2X_STOP_ON_ERROR
  444. u64 tpa_queue_used;
  445. #endif
  446. /* The size is calculated using the following:
  447. sizeof name field from netdev structure +
  448. 4 ('-Xx-' string) +
  449. 4 (for the digits and to make it DWORD aligned) */
  450. #define FP_NAME_SIZE (sizeof(((struct net_device *)0)->name) + 8)
  451. char name[FP_NAME_SIZE];
  452. };
  453. #define bnx2x_fp(bp, nr, var) ((bp)->fp[(nr)].var)
  454. #define bnx2x_sp_obj(bp, fp) ((bp)->sp_objs[(fp)->index])
  455. #define bnx2x_fp_stats(bp, fp) (&((bp)->fp_stats[(fp)->index]))
  456. #define bnx2x_fp_qstats(bp, fp) (&((bp)->fp_stats[(fp)->index].eth_q_stats))
  457. /* Use 2500 as a mini-jumbo MTU for FCoE */
  458. #define BNX2X_FCOE_MINI_JUMBO_MTU 2500
  459. #define FCOE_IDX_OFFSET 0
  460. #define FCOE_IDX(bp) (BNX2X_NUM_NON_CNIC_QUEUES(bp) + \
  461. FCOE_IDX_OFFSET)
  462. #define bnx2x_fcoe_fp(bp) (&bp->fp[FCOE_IDX(bp)])
  463. #define bnx2x_fcoe(bp, var) (bnx2x_fcoe_fp(bp)->var)
  464. #define bnx2x_fcoe_inner_sp_obj(bp) (&bp->sp_objs[FCOE_IDX(bp)])
  465. #define bnx2x_fcoe_sp_obj(bp, var) (bnx2x_fcoe_inner_sp_obj(bp)->var)
  466. #define bnx2x_fcoe_tx(bp, var) (bnx2x_fcoe_fp(bp)-> \
  467. txdata_ptr[FIRST_TX_COS_INDEX] \
  468. ->var)
  469. #define IS_ETH_FP(fp) ((fp)->index < BNX2X_NUM_ETH_QUEUES((fp)->bp))
  470. #define IS_FCOE_FP(fp) ((fp)->index == FCOE_IDX((fp)->bp))
  471. #define IS_FCOE_IDX(idx) ((idx) == FCOE_IDX(bp))
  472. /* MC hsi */
  473. #define MAX_FETCH_BD 13 /* HW max BDs per packet */
  474. #define RX_COPY_THRESH 92
  475. #define NUM_TX_RINGS 16
  476. #define TX_DESC_CNT (BCM_PAGE_SIZE / sizeof(union eth_tx_bd_types))
  477. #define NEXT_PAGE_TX_DESC_CNT 1
  478. #define MAX_TX_DESC_CNT (TX_DESC_CNT - NEXT_PAGE_TX_DESC_CNT)
  479. #define NUM_TX_BD (TX_DESC_CNT * NUM_TX_RINGS)
  480. #define MAX_TX_BD (NUM_TX_BD - 1)
  481. #define MAX_TX_AVAIL (MAX_TX_DESC_CNT * NUM_TX_RINGS - 2)
  482. #define NEXT_TX_IDX(x) ((((x) & MAX_TX_DESC_CNT) == \
  483. (MAX_TX_DESC_CNT - 1)) ? \
  484. (x) + 1 + NEXT_PAGE_TX_DESC_CNT : \
  485. (x) + 1)
  486. #define TX_BD(x) ((x) & MAX_TX_BD)
  487. #define TX_BD_POFF(x) ((x) & MAX_TX_DESC_CNT)
  488. /* number of NEXT_PAGE descriptors may be required during placement */
  489. #define NEXT_CNT_PER_TX_PKT(bds) \
  490. (((bds) + MAX_TX_DESC_CNT - 1) / \
  491. MAX_TX_DESC_CNT * NEXT_PAGE_TX_DESC_CNT)
  492. /* max BDs per tx packet w/o next_pages:
  493. * START_BD - describes packed
  494. * START_BD(splitted) - includes unpaged data segment for GSO
  495. * PARSING_BD - for TSO and CSUM data
  496. * Frag BDs - decribes pages for frags
  497. */
  498. #define BDS_PER_TX_PKT 3
  499. #define MAX_BDS_PER_TX_PKT (MAX_SKB_FRAGS + BDS_PER_TX_PKT)
  500. /* max BDs per tx packet including next pages */
  501. #define MAX_DESC_PER_TX_PKT (MAX_BDS_PER_TX_PKT + \
  502. NEXT_CNT_PER_TX_PKT(MAX_BDS_PER_TX_PKT))
  503. /* The RX BD ring is special, each bd is 8 bytes but the last one is 16 */
  504. #define NUM_RX_RINGS 8
  505. #define RX_DESC_CNT (BCM_PAGE_SIZE / sizeof(struct eth_rx_bd))
  506. #define NEXT_PAGE_RX_DESC_CNT 2
  507. #define MAX_RX_DESC_CNT (RX_DESC_CNT - NEXT_PAGE_RX_DESC_CNT)
  508. #define RX_DESC_MASK (RX_DESC_CNT - 1)
  509. #define NUM_RX_BD (RX_DESC_CNT * NUM_RX_RINGS)
  510. #define MAX_RX_BD (NUM_RX_BD - 1)
  511. #define MAX_RX_AVAIL (MAX_RX_DESC_CNT * NUM_RX_RINGS - 2)
  512. /* dropless fc calculations for BDs
  513. *
  514. * Number of BDs should as number of buffers in BRB:
  515. * Low threshold takes into account NEXT_PAGE_RX_DESC_CNT
  516. * "next" elements on each page
  517. */
  518. #define NUM_BD_REQ BRB_SIZE(bp)
  519. #define NUM_BD_PG_REQ ((NUM_BD_REQ + MAX_RX_DESC_CNT - 1) / \
  520. MAX_RX_DESC_CNT)
  521. #define BD_TH_LO(bp) (NUM_BD_REQ + \
  522. NUM_BD_PG_REQ * NEXT_PAGE_RX_DESC_CNT + \
  523. FW_DROP_LEVEL(bp))
  524. #define BD_TH_HI(bp) (BD_TH_LO(bp) + DROPLESS_FC_HEADROOM)
  525. #define MIN_RX_AVAIL ((bp)->dropless_fc ? BD_TH_HI(bp) + 128 : 128)
  526. #define MIN_RX_SIZE_TPA_HW (CHIP_IS_E1(bp) ? \
  527. ETH_MIN_RX_CQES_WITH_TPA_E1 : \
  528. ETH_MIN_RX_CQES_WITH_TPA_E1H_E2)
  529. #define MIN_RX_SIZE_NONTPA_HW ETH_MIN_RX_CQES_WITHOUT_TPA
  530. #define MIN_RX_SIZE_TPA (max_t(u32, MIN_RX_SIZE_TPA_HW, MIN_RX_AVAIL))
  531. #define MIN_RX_SIZE_NONTPA (max_t(u32, MIN_RX_SIZE_NONTPA_HW,\
  532. MIN_RX_AVAIL))
  533. #define NEXT_RX_IDX(x) ((((x) & RX_DESC_MASK) == \
  534. (MAX_RX_DESC_CNT - 1)) ? \
  535. (x) + 1 + NEXT_PAGE_RX_DESC_CNT : \
  536. (x) + 1)
  537. #define RX_BD(x) ((x) & MAX_RX_BD)
  538. /*
  539. * As long as CQE is X times bigger than BD entry we have to allocate X times
  540. * more pages for CQ ring in order to keep it balanced with BD ring
  541. */
  542. #define CQE_BD_REL (sizeof(union eth_rx_cqe) / sizeof(struct eth_rx_bd))
  543. #define NUM_RCQ_RINGS (NUM_RX_RINGS * CQE_BD_REL)
  544. #define RCQ_DESC_CNT (BCM_PAGE_SIZE / sizeof(union eth_rx_cqe))
  545. #define NEXT_PAGE_RCQ_DESC_CNT 1
  546. #define MAX_RCQ_DESC_CNT (RCQ_DESC_CNT - NEXT_PAGE_RCQ_DESC_CNT)
  547. #define NUM_RCQ_BD (RCQ_DESC_CNT * NUM_RCQ_RINGS)
  548. #define MAX_RCQ_BD (NUM_RCQ_BD - 1)
  549. #define MAX_RCQ_AVAIL (MAX_RCQ_DESC_CNT * NUM_RCQ_RINGS - 2)
  550. #define NEXT_RCQ_IDX(x) ((((x) & MAX_RCQ_DESC_CNT) == \
  551. (MAX_RCQ_DESC_CNT - 1)) ? \
  552. (x) + 1 + NEXT_PAGE_RCQ_DESC_CNT : \
  553. (x) + 1)
  554. #define RCQ_BD(x) ((x) & MAX_RCQ_BD)
  555. /* dropless fc calculations for RCQs
  556. *
  557. * Number of RCQs should be as number of buffers in BRB:
  558. * Low threshold takes into account NEXT_PAGE_RCQ_DESC_CNT
  559. * "next" elements on each page
  560. */
  561. #define NUM_RCQ_REQ BRB_SIZE(bp)
  562. #define NUM_RCQ_PG_REQ ((NUM_BD_REQ + MAX_RCQ_DESC_CNT - 1) / \
  563. MAX_RCQ_DESC_CNT)
  564. #define RCQ_TH_LO(bp) (NUM_RCQ_REQ + \
  565. NUM_RCQ_PG_REQ * NEXT_PAGE_RCQ_DESC_CNT + \
  566. FW_DROP_LEVEL(bp))
  567. #define RCQ_TH_HI(bp) (RCQ_TH_LO(bp) + DROPLESS_FC_HEADROOM)
  568. /* This is needed for determining of last_max */
  569. #define SUB_S16(a, b) (s16)((s16)(a) - (s16)(b))
  570. #define SUB_S32(a, b) (s32)((s32)(a) - (s32)(b))
  571. #define BNX2X_SWCID_SHIFT 17
  572. #define BNX2X_SWCID_MASK ((0x1 << BNX2X_SWCID_SHIFT) - 1)
  573. /* used on a CID received from the HW */
  574. #define SW_CID(x) (le32_to_cpu(x) & BNX2X_SWCID_MASK)
  575. #define CQE_CMD(x) (le32_to_cpu(x) >> \
  576. COMMON_RAMROD_ETH_RX_CQE_CMD_ID_SHIFT)
  577. #define BD_UNMAP_ADDR(bd) HILO_U64(le32_to_cpu((bd)->addr_hi), \
  578. le32_to_cpu((bd)->addr_lo))
  579. #define BD_UNMAP_LEN(bd) (le16_to_cpu((bd)->nbytes))
  580. #define BNX2X_DB_MIN_SHIFT 3 /* 8 bytes */
  581. #define BNX2X_DB_SHIFT 7 /* 128 bytes*/
  582. #if (BNX2X_DB_SHIFT < BNX2X_DB_MIN_SHIFT)
  583. #error "Min DB doorbell stride is 8"
  584. #endif
  585. #define DPM_TRIGER_TYPE 0x40
  586. #define DOORBELL(bp, cid, val) \
  587. do { \
  588. writel((u32)(val), bp->doorbells + (bp->db_size * (cid)) + \
  589. DPM_TRIGER_TYPE); \
  590. } while (0)
  591. /* TX CSUM helpers */
  592. #define SKB_CS_OFF(skb) (offsetof(struct tcphdr, check) - \
  593. skb->csum_offset)
  594. #define SKB_CS(skb) (*(u16 *)(skb_transport_header(skb) + \
  595. skb->csum_offset))
  596. #define pbd_tcp_flags(skb) (ntohl(tcp_flag_word(tcp_hdr(skb)))>>16 & 0xff)
  597. #define XMIT_PLAIN 0
  598. #define XMIT_CSUM_V4 0x1
  599. #define XMIT_CSUM_V6 0x2
  600. #define XMIT_CSUM_TCP 0x4
  601. #define XMIT_GSO_V4 0x8
  602. #define XMIT_GSO_V6 0x10
  603. #define XMIT_CSUM (XMIT_CSUM_V4 | XMIT_CSUM_V6)
  604. #define XMIT_GSO (XMIT_GSO_V4 | XMIT_GSO_V6)
  605. /* stuff added to make the code fit 80Col */
  606. #define CQE_TYPE(cqe_fp_flags) ((cqe_fp_flags) & ETH_FAST_PATH_RX_CQE_TYPE)
  607. #define CQE_TYPE_START(cqe_type) ((cqe_type) == RX_ETH_CQE_TYPE_ETH_START_AGG)
  608. #define CQE_TYPE_STOP(cqe_type) ((cqe_type) == RX_ETH_CQE_TYPE_ETH_STOP_AGG)
  609. #define CQE_TYPE_SLOW(cqe_type) ((cqe_type) == RX_ETH_CQE_TYPE_ETH_RAMROD)
  610. #define CQE_TYPE_FAST(cqe_type) ((cqe_type) == RX_ETH_CQE_TYPE_ETH_FASTPATH)
  611. #define ETH_RX_ERROR_FALGS ETH_FAST_PATH_RX_CQE_PHY_DECODE_ERR_FLG
  612. #define BNX2X_PRS_FLAG_OVERETH_IPV4(flags) \
  613. (((le16_to_cpu(flags) & \
  614. PARSING_FLAGS_OVER_ETHERNET_PROTOCOL) >> \
  615. PARSING_FLAGS_OVER_ETHERNET_PROTOCOL_SHIFT) \
  616. == PRS_FLAG_OVERETH_IPV4)
  617. #define BNX2X_RX_SUM_FIX(cqe) \
  618. BNX2X_PRS_FLAG_OVERETH_IPV4(cqe->fast_path_cqe.pars_flags.flags)
  619. #define FP_USB_FUNC_OFF \
  620. offsetof(struct cstorm_status_block_u, func)
  621. #define FP_CSB_FUNC_OFF \
  622. offsetof(struct cstorm_status_block_c, func)
  623. #define HC_INDEX_ETH_RX_CQ_CONS 1
  624. #define HC_INDEX_OOO_TX_CQ_CONS 4
  625. #define HC_INDEX_ETH_TX_CQ_CONS_COS0 5
  626. #define HC_INDEX_ETH_TX_CQ_CONS_COS1 6
  627. #define HC_INDEX_ETH_TX_CQ_CONS_COS2 7
  628. #define HC_INDEX_ETH_FIRST_TX_CQ_CONS HC_INDEX_ETH_TX_CQ_CONS_COS0
  629. #define BNX2X_RX_SB_INDEX \
  630. (&fp->sb_index_values[HC_INDEX_ETH_RX_CQ_CONS])
  631. #define BNX2X_TX_SB_INDEX_BASE BNX2X_TX_SB_INDEX_COS0
  632. #define BNX2X_TX_SB_INDEX_COS0 \
  633. (&fp->sb_index_values[HC_INDEX_ETH_TX_CQ_CONS_COS0])
  634. /* end of fast path */
  635. /* common */
  636. struct bnx2x_common {
  637. u32 chip_id;
  638. /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
  639. #define CHIP_ID(bp) (bp->common.chip_id & 0xfffffff0)
  640. #define CHIP_NUM(bp) (bp->common.chip_id >> 16)
  641. #define CHIP_NUM_57710 0x164e
  642. #define CHIP_NUM_57711 0x164f
  643. #define CHIP_NUM_57711E 0x1650
  644. #define CHIP_NUM_57712 0x1662
  645. #define CHIP_NUM_57712_MF 0x1663
  646. #define CHIP_NUM_57712_VF 0x166f
  647. #define CHIP_NUM_57713 0x1651
  648. #define CHIP_NUM_57713E 0x1652
  649. #define CHIP_NUM_57800 0x168a
  650. #define CHIP_NUM_57800_MF 0x16a5
  651. #define CHIP_NUM_57800_VF 0x16a9
  652. #define CHIP_NUM_57810 0x168e
  653. #define CHIP_NUM_57810_MF 0x16ae
  654. #define CHIP_NUM_57810_VF 0x16af
  655. #define CHIP_NUM_57811 0x163d
  656. #define CHIP_NUM_57811_MF 0x163e
  657. #define CHIP_NUM_57811_VF 0x163f
  658. #define CHIP_NUM_57840_OBSOLETE 0x168d
  659. #define CHIP_NUM_57840_MF_OBSOLETE 0x16ab
  660. #define CHIP_NUM_57840_4_10 0x16a1
  661. #define CHIP_NUM_57840_2_20 0x16a2
  662. #define CHIP_NUM_57840_MF 0x16a4
  663. #define CHIP_NUM_57840_VF 0x16ad
  664. #define CHIP_IS_E1(bp) (CHIP_NUM(bp) == CHIP_NUM_57710)
  665. #define CHIP_IS_57711(bp) (CHIP_NUM(bp) == CHIP_NUM_57711)
  666. #define CHIP_IS_57711E(bp) (CHIP_NUM(bp) == CHIP_NUM_57711E)
  667. #define CHIP_IS_57712(bp) (CHIP_NUM(bp) == CHIP_NUM_57712)
  668. #define CHIP_IS_57712_VF(bp) (CHIP_NUM(bp) == CHIP_NUM_57712_VF)
  669. #define CHIP_IS_57712_MF(bp) (CHIP_NUM(bp) == CHIP_NUM_57712_MF)
  670. #define CHIP_IS_57800(bp) (CHIP_NUM(bp) == CHIP_NUM_57800)
  671. #define CHIP_IS_57800_MF(bp) (CHIP_NUM(bp) == CHIP_NUM_57800_MF)
  672. #define CHIP_IS_57800_VF(bp) (CHIP_NUM(bp) == CHIP_NUM_57800_VF)
  673. #define CHIP_IS_57810(bp) (CHIP_NUM(bp) == CHIP_NUM_57810)
  674. #define CHIP_IS_57810_MF(bp) (CHIP_NUM(bp) == CHIP_NUM_57810_MF)
  675. #define CHIP_IS_57810_VF(bp) (CHIP_NUM(bp) == CHIP_NUM_57810_VF)
  676. #define CHIP_IS_57811(bp) (CHIP_NUM(bp) == CHIP_NUM_57811)
  677. #define CHIP_IS_57811_MF(bp) (CHIP_NUM(bp) == CHIP_NUM_57811_MF)
  678. #define CHIP_IS_57811_VF(bp) (CHIP_NUM(bp) == CHIP_NUM_57811_VF)
  679. #define CHIP_IS_57840(bp) \
  680. ((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) || \
  681. (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) || \
  682. (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE))
  683. #define CHIP_IS_57840_MF(bp) ((CHIP_NUM(bp) == CHIP_NUM_57840_MF) || \
  684. (CHIP_NUM(bp) == CHIP_NUM_57840_MF_OBSOLETE))
  685. #define CHIP_IS_57840_VF(bp) (CHIP_NUM(bp) == CHIP_NUM_57840_VF)
  686. #define CHIP_IS_E1H(bp) (CHIP_IS_57711(bp) || \
  687. CHIP_IS_57711E(bp))
  688. #define CHIP_IS_E2(bp) (CHIP_IS_57712(bp) || \
  689. CHIP_IS_57712_MF(bp) || \
  690. CHIP_IS_57712_VF(bp))
  691. #define CHIP_IS_E3(bp) (CHIP_IS_57800(bp) || \
  692. CHIP_IS_57800_MF(bp) || \
  693. CHIP_IS_57800_VF(bp) || \
  694. CHIP_IS_57810(bp) || \
  695. CHIP_IS_57810_MF(bp) || \
  696. CHIP_IS_57810_VF(bp) || \
  697. CHIP_IS_57811(bp) || \
  698. CHIP_IS_57811_MF(bp) || \
  699. CHIP_IS_57811_VF(bp) || \
  700. CHIP_IS_57840(bp) || \
  701. CHIP_IS_57840_MF(bp) || \
  702. CHIP_IS_57840_VF(bp))
  703. #define CHIP_IS_E1x(bp) (CHIP_IS_E1((bp)) || CHIP_IS_E1H((bp)))
  704. #define USES_WARPCORE(bp) (CHIP_IS_E3(bp))
  705. #define IS_E1H_OFFSET (!CHIP_IS_E1(bp))
  706. #define CHIP_REV_SHIFT 12
  707. #define CHIP_REV_MASK (0xF << CHIP_REV_SHIFT)
  708. #define CHIP_REV_VAL(bp) (bp->common.chip_id & CHIP_REV_MASK)
  709. #define CHIP_REV_Ax (0x0 << CHIP_REV_SHIFT)
  710. #define CHIP_REV_Bx (0x1 << CHIP_REV_SHIFT)
  711. /* assume maximum 5 revisions */
  712. #define CHIP_REV_IS_SLOW(bp) (CHIP_REV_VAL(bp) > 0x00005000)
  713. /* Emul versions are A=>0xe, B=>0xc, C=>0xa, D=>8, E=>6 */
  714. #define CHIP_REV_IS_EMUL(bp) ((CHIP_REV_IS_SLOW(bp)) && \
  715. !(CHIP_REV_VAL(bp) & 0x00001000))
  716. /* FPGA versions are A=>0xf, B=>0xd, C=>0xb, D=>9, E=>7 */
  717. #define CHIP_REV_IS_FPGA(bp) ((CHIP_REV_IS_SLOW(bp)) && \
  718. (CHIP_REV_VAL(bp) & 0x00001000))
  719. #define CHIP_TIME(bp) ((CHIP_REV_IS_EMUL(bp)) ? 2000 : \
  720. ((CHIP_REV_IS_FPGA(bp)) ? 200 : 1))
  721. #define CHIP_METAL(bp) (bp->common.chip_id & 0x00000ff0)
  722. #define CHIP_BOND_ID(bp) (bp->common.chip_id & 0x0000000f)
  723. #define CHIP_REV_SIM(bp) (((CHIP_REV_MASK - CHIP_REV_VAL(bp)) >>\
  724. (CHIP_REV_SHIFT + 1)) \
  725. << CHIP_REV_SHIFT)
  726. #define CHIP_REV(bp) (CHIP_REV_IS_SLOW(bp) ? \
  727. CHIP_REV_SIM(bp) :\
  728. CHIP_REV_VAL(bp))
  729. #define CHIP_IS_E3B0(bp) (CHIP_IS_E3(bp) && \
  730. (CHIP_REV(bp) == CHIP_REV_Bx))
  731. #define CHIP_IS_E3A0(bp) (CHIP_IS_E3(bp) && \
  732. (CHIP_REV(bp) == CHIP_REV_Ax))
  733. /* This define is used in two main places:
  734. * 1. In the early stages of nic_load, to know if to configrue Parser / Searcher
  735. * to nic-only mode or to offload mode. Offload mode is configured if either the
  736. * chip is E1x (where MIC_MODE register is not applicable), or if cnic already
  737. * registered for this port (which means that the user wants storage services).
  738. * 2. During cnic-related load, to know if offload mode is already configured in
  739. * the HW or needs to be configrued.
  740. * Since the transition from nic-mode to offload-mode in HW causes traffic
  741. * coruption, nic-mode is configured only in ports on which storage services
  742. * where never requested.
  743. */
  744. #define CONFIGURE_NIC_MODE(bp) (!CHIP_IS_E1x(bp) && !CNIC_ENABLED(bp))
  745. int flash_size;
  746. #define BNX2X_NVRAM_1MB_SIZE 0x20000 /* 1M bit in bytes */
  747. #define BNX2X_NVRAM_TIMEOUT_COUNT 30000
  748. #define BNX2X_NVRAM_PAGE_SIZE 256
  749. u32 shmem_base;
  750. u32 shmem2_base;
  751. u32 mf_cfg_base;
  752. u32 mf2_cfg_base;
  753. u32 hw_config;
  754. u32 bc_ver;
  755. u8 int_block;
  756. #define INT_BLOCK_HC 0
  757. #define INT_BLOCK_IGU 1
  758. #define INT_BLOCK_MODE_NORMAL 0
  759. #define INT_BLOCK_MODE_BW_COMP 2
  760. #define CHIP_INT_MODE_IS_NBC(bp) \
  761. (!CHIP_IS_E1x(bp) && \
  762. !((bp)->common.int_block & INT_BLOCK_MODE_BW_COMP))
  763. #define CHIP_INT_MODE_IS_BC(bp) (!CHIP_INT_MODE_IS_NBC(bp))
  764. u8 chip_port_mode;
  765. #define CHIP_4_PORT_MODE 0x0
  766. #define CHIP_2_PORT_MODE 0x1
  767. #define CHIP_PORT_MODE_NONE 0x2
  768. #define CHIP_MODE(bp) (bp->common.chip_port_mode)
  769. #define CHIP_MODE_IS_4_PORT(bp) (CHIP_MODE(bp) == CHIP_4_PORT_MODE)
  770. u32 boot_mode;
  771. };
  772. /* IGU MSIX STATISTICS on 57712: 64 for VFs; 4 for PFs; 4 for Attentions */
  773. #define BNX2X_IGU_STAS_MSG_VF_CNT 64
  774. #define BNX2X_IGU_STAS_MSG_PF_CNT 4
  775. #define MAX_IGU_ATTN_ACK_TO 100
  776. /* end of common */
  777. /* port */
  778. struct bnx2x_port {
  779. u32 pmf;
  780. u32 link_config[LINK_CONFIG_SIZE];
  781. u32 supported[LINK_CONFIG_SIZE];
  782. /* link settings - missing defines */
  783. #define SUPPORTED_2500baseX_Full (1 << 15)
  784. u32 advertising[LINK_CONFIG_SIZE];
  785. /* link settings - missing defines */
  786. #define ADVERTISED_2500baseX_Full (1 << 15)
  787. u32 phy_addr;
  788. /* used to synchronize phy accesses */
  789. struct mutex phy_mutex;
  790. u32 port_stx;
  791. struct nig_stats old_nig_stats;
  792. };
  793. /* end of port */
  794. #define STATS_OFFSET32(stat_name) \
  795. (offsetof(struct bnx2x_eth_stats, stat_name) / 4)
  796. /* slow path */
  797. /* slow path work-queue */
  798. extern struct workqueue_struct *bnx2x_wq;
  799. #define BNX2X_MAX_NUM_OF_VFS 64
  800. #define BNX2X_VF_CID_WND 0
  801. #define BNX2X_CIDS_PER_VF (1 << BNX2X_VF_CID_WND)
  802. #define BNX2X_CLIENTS_PER_VF 1
  803. #define BNX2X_FIRST_VF_CID 256
  804. #define BNX2X_VF_CIDS (BNX2X_MAX_NUM_OF_VFS * BNX2X_CIDS_PER_VF)
  805. #define BNX2X_VF_ID_INVALID 0xFF
  806. /*
  807. * The total number of L2 queues, MSIX vectors and HW contexts (CIDs) is
  808. * control by the number of fast-path status blocks supported by the
  809. * device (HW/FW). Each fast-path status block (FP-SB) aka non-default
  810. * status block represents an independent interrupts context that can
  811. * serve a regular L2 networking queue. However special L2 queues such
  812. * as the FCoE queue do not require a FP-SB and other components like
  813. * the CNIC may consume FP-SB reducing the number of possible L2 queues
  814. *
  815. * If the maximum number of FP-SB available is X then:
  816. * a. If CNIC is supported it consumes 1 FP-SB thus the max number of
  817. * regular L2 queues is Y=X-1
  818. * b. in MF mode the actual number of L2 queues is Y= (X-1/MF_factor)
  819. * c. If the FCoE L2 queue is supported the actual number of L2 queues
  820. * is Y+1
  821. * d. The number of irqs (MSIX vectors) is either Y+1 (one extra for
  822. * slow-path interrupts) or Y+2 if CNIC is supported (one additional
  823. * FP interrupt context for the CNIC).
  824. * e. The number of HW context (CID count) is always X or X+1 if FCoE
  825. * L2 queue is supported. the cid for the FCoE L2 queue is always X.
  826. */
  827. /* fast-path interrupt contexts E1x */
  828. #define FP_SB_MAX_E1x 16
  829. /* fast-path interrupt contexts E2 */
  830. #define FP_SB_MAX_E2 HC_SB_MAX_SB_E2
  831. union cdu_context {
  832. struct eth_context eth;
  833. char pad[1024];
  834. };
  835. /* CDU host DB constants */
  836. #define CDU_ILT_PAGE_SZ_HW 2
  837. #define CDU_ILT_PAGE_SZ (8192 << CDU_ILT_PAGE_SZ_HW) /* 32K */
  838. #define ILT_PAGE_CIDS (CDU_ILT_PAGE_SZ / sizeof(union cdu_context))
  839. #define CNIC_ISCSI_CID_MAX 256
  840. #define CNIC_FCOE_CID_MAX 2048
  841. #define CNIC_CID_MAX (CNIC_ISCSI_CID_MAX + CNIC_FCOE_CID_MAX)
  842. #define CNIC_ILT_LINES DIV_ROUND_UP(CNIC_CID_MAX, ILT_PAGE_CIDS)
  843. #define QM_ILT_PAGE_SZ_HW 0
  844. #define QM_ILT_PAGE_SZ (4096 << QM_ILT_PAGE_SZ_HW) /* 4K */
  845. #define QM_CID_ROUND 1024
  846. /* TM (timers) host DB constants */
  847. #define TM_ILT_PAGE_SZ_HW 0
  848. #define TM_ILT_PAGE_SZ (4096 << TM_ILT_PAGE_SZ_HW) /* 4K */
  849. /* #define TM_CONN_NUM (CNIC_STARTING_CID+CNIC_ISCSI_CXT_MAX) */
  850. #define TM_CONN_NUM 1024
  851. #define TM_ILT_SZ (8 * TM_CONN_NUM)
  852. #define TM_ILT_LINES DIV_ROUND_UP(TM_ILT_SZ, TM_ILT_PAGE_SZ)
  853. /* SRC (Searcher) host DB constants */
  854. #define SRC_ILT_PAGE_SZ_HW 0
  855. #define SRC_ILT_PAGE_SZ (4096 << SRC_ILT_PAGE_SZ_HW) /* 4K */
  856. #define SRC_HASH_BITS 10
  857. #define SRC_CONN_NUM (1 << SRC_HASH_BITS) /* 1024 */
  858. #define SRC_ILT_SZ (sizeof(struct src_ent) * SRC_CONN_NUM)
  859. #define SRC_T2_SZ SRC_ILT_SZ
  860. #define SRC_ILT_LINES DIV_ROUND_UP(SRC_ILT_SZ, SRC_ILT_PAGE_SZ)
  861. #define MAX_DMAE_C 8
  862. /* DMA memory not used in fastpath */
  863. struct bnx2x_slowpath {
  864. union {
  865. struct mac_configuration_cmd e1x;
  866. struct eth_classify_rules_ramrod_data e2;
  867. } mac_rdata;
  868. union {
  869. struct tstorm_eth_mac_filter_config e1x;
  870. struct eth_filter_rules_ramrod_data e2;
  871. } rx_mode_rdata;
  872. union {
  873. struct mac_configuration_cmd e1;
  874. struct eth_multicast_rules_ramrod_data e2;
  875. } mcast_rdata;
  876. struct eth_rss_update_ramrod_data rss_rdata;
  877. /* Queue State related ramrods are always sent under rtnl_lock */
  878. union {
  879. struct client_init_ramrod_data init_data;
  880. struct client_update_ramrod_data update_data;
  881. } q_rdata;
  882. union {
  883. struct function_start_data func_start;
  884. /* pfc configuration for DCBX ramrod */
  885. struct flow_control_configuration pfc_config;
  886. } func_rdata;
  887. /* afex ramrod can not be a part of func_rdata union because these
  888. * events might arrive in parallel to other events from func_rdata.
  889. * Therefore, if they would have been defined in the same union,
  890. * data can get corrupted.
  891. */
  892. struct afex_vif_list_ramrod_data func_afex_rdata;
  893. /* used by dmae command executer */
  894. struct dmae_command dmae[MAX_DMAE_C];
  895. u32 stats_comp;
  896. union mac_stats mac_stats;
  897. struct nig_stats nig_stats;
  898. struct host_port_stats port_stats;
  899. struct host_func_stats func_stats;
  900. u32 wb_comp;
  901. u32 wb_data[4];
  902. union drv_info_to_mcp drv_info_to_mcp;
  903. };
  904. #define bnx2x_sp(bp, var) (&bp->slowpath->var)
  905. #define bnx2x_sp_mapping(bp, var) \
  906. (bp->slowpath_mapping + offsetof(struct bnx2x_slowpath, var))
  907. /* attn group wiring */
  908. #define MAX_DYNAMIC_ATTN_GRPS 8
  909. struct attn_route {
  910. u32 sig[5];
  911. };
  912. struct iro {
  913. u32 base;
  914. u16 m1;
  915. u16 m2;
  916. u16 m3;
  917. u16 size;
  918. };
  919. struct hw_context {
  920. union cdu_context *vcxt;
  921. dma_addr_t cxt_mapping;
  922. size_t size;
  923. };
  924. /* forward */
  925. struct bnx2x_ilt;
  926. struct bnx2x_vfdb;
  927. enum bnx2x_recovery_state {
  928. BNX2X_RECOVERY_DONE,
  929. BNX2X_RECOVERY_INIT,
  930. BNX2X_RECOVERY_WAIT,
  931. BNX2X_RECOVERY_FAILED,
  932. BNX2X_RECOVERY_NIC_LOADING
  933. };
  934. /*
  935. * Event queue (EQ or event ring) MC hsi
  936. * NUM_EQ_PAGES and EQ_DESC_CNT_PAGE must be power of 2
  937. */
  938. #define NUM_EQ_PAGES 1
  939. #define EQ_DESC_CNT_PAGE (BCM_PAGE_SIZE / sizeof(union event_ring_elem))
  940. #define EQ_DESC_MAX_PAGE (EQ_DESC_CNT_PAGE - 1)
  941. #define NUM_EQ_DESC (EQ_DESC_CNT_PAGE * NUM_EQ_PAGES)
  942. #define EQ_DESC_MASK (NUM_EQ_DESC - 1)
  943. #define MAX_EQ_AVAIL (EQ_DESC_MAX_PAGE * NUM_EQ_PAGES - 2)
  944. /* depends on EQ_DESC_CNT_PAGE being a power of 2 */
  945. #define NEXT_EQ_IDX(x) ((((x) & EQ_DESC_MAX_PAGE) == \
  946. (EQ_DESC_MAX_PAGE - 1)) ? (x) + 2 : (x) + 1)
  947. /* depends on the above and on NUM_EQ_PAGES being a power of 2 */
  948. #define EQ_DESC(x) ((x) & EQ_DESC_MASK)
  949. #define BNX2X_EQ_INDEX \
  950. (&bp->def_status_blk->sp_sb.\
  951. index_values[HC_SP_INDEX_EQ_CONS])
  952. /* This is a data that will be used to create a link report message.
  953. * We will keep the data used for the last link report in order
  954. * to prevent reporting the same link parameters twice.
  955. */
  956. struct bnx2x_link_report_data {
  957. u16 line_speed; /* Effective line speed */
  958. unsigned long link_report_flags;/* BNX2X_LINK_REPORT_XXX flags */
  959. };
  960. enum {
  961. BNX2X_LINK_REPORT_FD, /* Full DUPLEX */
  962. BNX2X_LINK_REPORT_LINK_DOWN,
  963. BNX2X_LINK_REPORT_RX_FC_ON,
  964. BNX2X_LINK_REPORT_TX_FC_ON,
  965. };
  966. enum {
  967. BNX2X_PORT_QUERY_IDX,
  968. BNX2X_PF_QUERY_IDX,
  969. BNX2X_FCOE_QUERY_IDX,
  970. BNX2X_FIRST_QUEUE_QUERY_IDX,
  971. };
  972. struct bnx2x_fw_stats_req {
  973. struct stats_query_header hdr;
  974. struct stats_query_entry query[FP_SB_MAX_E1x+
  975. BNX2X_FIRST_QUEUE_QUERY_IDX];
  976. };
  977. struct bnx2x_fw_stats_data {
  978. struct stats_counter storm_counters;
  979. struct per_port_stats port;
  980. struct per_pf_stats pf;
  981. struct fcoe_statistics_params fcoe;
  982. struct per_queue_stats queue_stats[1];
  983. };
  984. /* Public slow path states */
  985. enum {
  986. BNX2X_SP_RTNL_SETUP_TC,
  987. BNX2X_SP_RTNL_TX_TIMEOUT,
  988. BNX2X_SP_RTNL_FAN_FAILURE,
  989. BNX2X_SP_RTNL_AFEX_F_UPDATE,
  990. BNX2X_SP_RTNL_ENABLE_SRIOV,
  991. BNX2X_SP_RTNL_VFPF_MCAST,
  992. BNX2X_SP_RTNL_VFPF_STORM_RX_MODE,
  993. };
  994. struct bnx2x_prev_path_list {
  995. u8 bus;
  996. u8 slot;
  997. u8 path;
  998. struct list_head list;
  999. u8 undi;
  1000. };
  1001. struct bnx2x_sp_objs {
  1002. /* MACs object */
  1003. struct bnx2x_vlan_mac_obj mac_obj;
  1004. /* Queue State object */
  1005. struct bnx2x_queue_sp_obj q_obj;
  1006. };
  1007. struct bnx2x_fp_stats {
  1008. struct tstorm_per_queue_stats old_tclient;
  1009. struct ustorm_per_queue_stats old_uclient;
  1010. struct xstorm_per_queue_stats old_xclient;
  1011. struct bnx2x_eth_q_stats eth_q_stats;
  1012. struct bnx2x_eth_q_stats_old eth_q_stats_old;
  1013. };
  1014. struct bnx2x {
  1015. /* Fields used in the tx and intr/napi performance paths
  1016. * are grouped together in the beginning of the structure
  1017. */
  1018. struct bnx2x_fastpath *fp;
  1019. struct bnx2x_sp_objs *sp_objs;
  1020. struct bnx2x_fp_stats *fp_stats;
  1021. struct bnx2x_fp_txdata *bnx2x_txq;
  1022. void __iomem *regview;
  1023. void __iomem *doorbells;
  1024. u16 db_size;
  1025. u8 pf_num; /* absolute PF number */
  1026. u8 pfid; /* per-path PF number */
  1027. int base_fw_ndsb; /**/
  1028. #define BP_PATH(bp) (CHIP_IS_E1x(bp) ? 0 : (bp->pf_num & 1))
  1029. #define BP_PORT(bp) (bp->pfid & 1)
  1030. #define BP_FUNC(bp) (bp->pfid)
  1031. #define BP_ABS_FUNC(bp) (bp->pf_num)
  1032. #define BP_VN(bp) ((bp)->pfid >> 1)
  1033. #define BP_MAX_VN_NUM(bp) (CHIP_MODE_IS_4_PORT(bp) ? 2 : 4)
  1034. #define BP_L_ID(bp) (BP_VN(bp) << 2)
  1035. #define BP_FW_MB_IDX_VN(bp, vn) (BP_PORT(bp) +\
  1036. (vn) * ((CHIP_IS_E1x(bp) || (CHIP_MODE_IS_4_PORT(bp))) ? 2 : 1))
  1037. #define BP_FW_MB_IDX(bp) BP_FW_MB_IDX_VN(bp, BP_VN(bp))
  1038. #ifdef CONFIG_BNX2X_SRIOV
  1039. /* vf pf channel mailbox contains request and response buffers */
  1040. struct bnx2x_vf_mbx_msg *vf2pf_mbox;
  1041. dma_addr_t vf2pf_mbox_mapping;
  1042. /* we set aside a copy of the acquire response */
  1043. struct pfvf_acquire_resp_tlv acquire_resp;
  1044. /* bulletin board for messages from pf to vf */
  1045. union pf_vf_bulletin *pf2vf_bulletin;
  1046. dma_addr_t pf2vf_bulletin_mapping;
  1047. struct pf_vf_bulletin_content old_bulletin;
  1048. #endif /* CONFIG_BNX2X_SRIOV */
  1049. struct net_device *dev;
  1050. struct pci_dev *pdev;
  1051. const struct iro *iro_arr;
  1052. #define IRO (bp->iro_arr)
  1053. enum bnx2x_recovery_state recovery_state;
  1054. int is_leader;
  1055. struct msix_entry *msix_table;
  1056. int tx_ring_size;
  1057. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  1058. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  1059. #define ETH_MIN_PACKET_SIZE 60
  1060. #define ETH_MAX_PACKET_SIZE 1500
  1061. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  1062. /* TCP with Timestamp Option (32) + IPv6 (40) */
  1063. #define ETH_MAX_TPA_HEADER_SIZE 72
  1064. /* Max supported alignment is 256 (8 shift) */
  1065. #define BNX2X_RX_ALIGN_SHIFT min(8, L1_CACHE_SHIFT)
  1066. /* FW uses 2 Cache lines Alignment for start packet and size
  1067. *
  1068. * We assume skb_build() uses sizeof(struct skb_shared_info) bytes
  1069. * at the end of skb->data, to avoid wasting a full cache line.
  1070. * This reduces memory use (skb->truesize).
  1071. */
  1072. #define BNX2X_FW_RX_ALIGN_START (1UL << BNX2X_RX_ALIGN_SHIFT)
  1073. #define BNX2X_FW_RX_ALIGN_END \
  1074. max_t(u64, 1UL << BNX2X_RX_ALIGN_SHIFT, \
  1075. SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
  1076. #define BNX2X_PXP_DRAM_ALIGN (BNX2X_RX_ALIGN_SHIFT - 5)
  1077. struct host_sp_status_block *def_status_blk;
  1078. #define DEF_SB_IGU_ID 16
  1079. #define DEF_SB_ID HC_SP_SB_ID
  1080. __le16 def_idx;
  1081. __le16 def_att_idx;
  1082. u32 attn_state;
  1083. struct attn_route attn_group[MAX_DYNAMIC_ATTN_GRPS];
  1084. /* slow path ring */
  1085. struct eth_spe *spq;
  1086. dma_addr_t spq_mapping;
  1087. u16 spq_prod_idx;
  1088. struct eth_spe *spq_prod_bd;
  1089. struct eth_spe *spq_last_bd;
  1090. __le16 *dsb_sp_prod;
  1091. atomic_t cq_spq_left; /* ETH_XXX ramrods credit */
  1092. /* used to synchronize spq accesses */
  1093. spinlock_t spq_lock;
  1094. /* event queue */
  1095. union event_ring_elem *eq_ring;
  1096. dma_addr_t eq_mapping;
  1097. u16 eq_prod;
  1098. u16 eq_cons;
  1099. __le16 *eq_cons_sb;
  1100. atomic_t eq_spq_left; /* COMMON_XXX ramrods credit */
  1101. /* Counter for marking that there is a STAT_QUERY ramrod pending */
  1102. u16 stats_pending;
  1103. /* Counter for completed statistics ramrods */
  1104. u16 stats_comp;
  1105. /* End of fields used in the performance code paths */
  1106. int panic;
  1107. int msg_enable;
  1108. u32 flags;
  1109. #define PCIX_FLAG (1 << 0)
  1110. #define PCI_32BIT_FLAG (1 << 1)
  1111. #define ONE_PORT_FLAG (1 << 2)
  1112. #define NO_WOL_FLAG (1 << 3)
  1113. #define USING_DAC_FLAG (1 << 4)
  1114. #define USING_MSIX_FLAG (1 << 5)
  1115. #define USING_MSI_FLAG (1 << 6)
  1116. #define DISABLE_MSI_FLAG (1 << 7)
  1117. #define TPA_ENABLE_FLAG (1 << 8)
  1118. #define NO_MCP_FLAG (1 << 9)
  1119. #define GRO_ENABLE_FLAG (1 << 10)
  1120. #define MF_FUNC_DIS (1 << 11)
  1121. #define OWN_CNIC_IRQ (1 << 12)
  1122. #define NO_ISCSI_OOO_FLAG (1 << 13)
  1123. #define NO_ISCSI_FLAG (1 << 14)
  1124. #define NO_FCOE_FLAG (1 << 15)
  1125. #define BC_SUPPORTS_PFC_STATS (1 << 17)
  1126. #define BC_SUPPORTS_FCOE_FEATURES (1 << 19)
  1127. #define USING_SINGLE_MSIX_FLAG (1 << 20)
  1128. #define BC_SUPPORTS_DCBX_MSG_NON_PMF (1 << 21)
  1129. #define IS_VF_FLAG (1 << 22)
  1130. #define BP_NOMCP(bp) ((bp)->flags & NO_MCP_FLAG)
  1131. #ifdef CONFIG_BNX2X_SRIOV
  1132. #define IS_VF(bp) ((bp)->flags & IS_VF_FLAG)
  1133. #define IS_PF(bp) (!((bp)->flags & IS_VF_FLAG))
  1134. #else
  1135. #define IS_VF(bp) false
  1136. #define IS_PF(bp) true
  1137. #endif
  1138. #define NO_ISCSI(bp) ((bp)->flags & NO_ISCSI_FLAG)
  1139. #define NO_ISCSI_OOO(bp) ((bp)->flags & NO_ISCSI_OOO_FLAG)
  1140. #define NO_FCOE(bp) ((bp)->flags & NO_FCOE_FLAG)
  1141. u8 cnic_support;
  1142. bool cnic_enabled;
  1143. bool cnic_loaded;
  1144. struct cnic_eth_dev *(*cnic_probe)(struct net_device *);
  1145. /* Flag that indicates that we can start looking for FCoE L2 queue
  1146. * completions in the default status block.
  1147. */
  1148. bool fcoe_init;
  1149. int pm_cap;
  1150. int mrrs;
  1151. struct delayed_work sp_task;
  1152. atomic_t interrupt_occurred;
  1153. struct delayed_work sp_rtnl_task;
  1154. struct delayed_work period_task;
  1155. struct timer_list timer;
  1156. int current_interval;
  1157. u16 fw_seq;
  1158. u16 fw_drv_pulse_wr_seq;
  1159. u32 func_stx;
  1160. struct link_params link_params;
  1161. struct link_vars link_vars;
  1162. u32 link_cnt;
  1163. struct bnx2x_link_report_data last_reported_link;
  1164. struct mdio_if_info mdio;
  1165. struct bnx2x_common common;
  1166. struct bnx2x_port port;
  1167. struct cmng_init cmng;
  1168. u32 mf_config[E1HVN_MAX];
  1169. u32 mf_ext_config;
  1170. u32 path_has_ovlan; /* E3 */
  1171. u16 mf_ov;
  1172. u8 mf_mode;
  1173. #define IS_MF(bp) (bp->mf_mode != 0)
  1174. #define IS_MF_SI(bp) (bp->mf_mode == MULTI_FUNCTION_SI)
  1175. #define IS_MF_SD(bp) (bp->mf_mode == MULTI_FUNCTION_SD)
  1176. #define IS_MF_AFEX(bp) (bp->mf_mode == MULTI_FUNCTION_AFEX)
  1177. u8 wol;
  1178. int rx_ring_size;
  1179. u16 tx_quick_cons_trip_int;
  1180. u16 tx_quick_cons_trip;
  1181. u16 tx_ticks_int;
  1182. u16 tx_ticks;
  1183. u16 rx_quick_cons_trip_int;
  1184. u16 rx_quick_cons_trip;
  1185. u16 rx_ticks_int;
  1186. u16 rx_ticks;
  1187. /* Maximal coalescing timeout in us */
  1188. #define BNX2X_MAX_COALESCE_TOUT (0xf0*12)
  1189. u32 lin_cnt;
  1190. u16 state;
  1191. #define BNX2X_STATE_CLOSED 0
  1192. #define BNX2X_STATE_OPENING_WAIT4_LOAD 0x1000
  1193. #define BNX2X_STATE_OPENING_WAIT4_PORT 0x2000
  1194. #define BNX2X_STATE_OPEN 0x3000
  1195. #define BNX2X_STATE_CLOSING_WAIT4_HALT 0x4000
  1196. #define BNX2X_STATE_CLOSING_WAIT4_DELETE 0x5000
  1197. #define BNX2X_STATE_DIAG 0xe000
  1198. #define BNX2X_STATE_ERROR 0xf000
  1199. #define BNX2X_MAX_PRIORITY 8
  1200. #define BNX2X_MAX_ENTRIES_PER_PRI 16
  1201. #define BNX2X_MAX_COS 3
  1202. #define BNX2X_MAX_TX_COS 2
  1203. int num_queues;
  1204. uint num_ethernet_queues;
  1205. uint num_cnic_queues;
  1206. int num_napi_queues;
  1207. int disable_tpa;
  1208. u32 rx_mode;
  1209. #define BNX2X_RX_MODE_NONE 0
  1210. #define BNX2X_RX_MODE_NORMAL 1
  1211. #define BNX2X_RX_MODE_ALLMULTI 2
  1212. #define BNX2X_RX_MODE_PROMISC 3
  1213. #define BNX2X_MAX_MULTICAST 64
  1214. u8 igu_dsb_id;
  1215. u8 igu_base_sb;
  1216. u8 igu_sb_cnt;
  1217. u8 min_msix_vec_cnt;
  1218. u32 igu_base_addr;
  1219. dma_addr_t def_status_blk_mapping;
  1220. struct bnx2x_slowpath *slowpath;
  1221. dma_addr_t slowpath_mapping;
  1222. /* Total number of FW statistics requests */
  1223. u8 fw_stats_num;
  1224. /*
  1225. * This is a memory buffer that will contain both statistics
  1226. * ramrod request and data.
  1227. */
  1228. void *fw_stats;
  1229. dma_addr_t fw_stats_mapping;
  1230. /*
  1231. * FW statistics request shortcut (points at the
  1232. * beginning of fw_stats buffer).
  1233. */
  1234. struct bnx2x_fw_stats_req *fw_stats_req;
  1235. dma_addr_t fw_stats_req_mapping;
  1236. int fw_stats_req_sz;
  1237. /*
  1238. * FW statistics data shortcut (points at the beginning of
  1239. * fw_stats buffer + fw_stats_req_sz).
  1240. */
  1241. struct bnx2x_fw_stats_data *fw_stats_data;
  1242. dma_addr_t fw_stats_data_mapping;
  1243. int fw_stats_data_sz;
  1244. /* For max 196 cids (64*3 + non-eth), 32KB ILT page size and 1KB
  1245. * context size we need 8 ILT entries.
  1246. */
  1247. #define ILT_MAX_L2_LINES 8
  1248. struct hw_context context[ILT_MAX_L2_LINES];
  1249. struct bnx2x_ilt *ilt;
  1250. #define BP_ILT(bp) ((bp)->ilt)
  1251. #define ILT_MAX_LINES 256
  1252. /*
  1253. * Maximum supported number of RSS queues: number of IGU SBs minus one that goes
  1254. * to CNIC.
  1255. */
  1256. #define BNX2X_MAX_RSS_COUNT(bp) ((bp)->igu_sb_cnt - CNIC_SUPPORT(bp))
  1257. /*
  1258. * Maximum CID count that might be required by the bnx2x:
  1259. * Max RSS * Max_Tx_Multi_Cos + FCoE + iSCSI
  1260. */
  1261. #define BNX2X_L2_CID_COUNT(bp) (BNX2X_NUM_ETH_QUEUES(bp) * BNX2X_MULTI_TX_COS \
  1262. + 2 * CNIC_SUPPORT(bp))
  1263. #define BNX2X_L2_MAX_CID(bp) (BNX2X_MAX_RSS_COUNT(bp) * BNX2X_MULTI_TX_COS \
  1264. + 2 * CNIC_SUPPORT(bp))
  1265. #define L2_ILT_LINES(bp) (DIV_ROUND_UP(BNX2X_L2_CID_COUNT(bp),\
  1266. ILT_PAGE_CIDS))
  1267. int qm_cid_count;
  1268. bool dropless_fc;
  1269. void *t2;
  1270. dma_addr_t t2_mapping;
  1271. struct cnic_ops __rcu *cnic_ops;
  1272. void *cnic_data;
  1273. u32 cnic_tag;
  1274. struct cnic_eth_dev cnic_eth_dev;
  1275. union host_hc_status_block cnic_sb;
  1276. dma_addr_t cnic_sb_mapping;
  1277. struct eth_spe *cnic_kwq;
  1278. struct eth_spe *cnic_kwq_prod;
  1279. struct eth_spe *cnic_kwq_cons;
  1280. struct eth_spe *cnic_kwq_last;
  1281. u16 cnic_kwq_pending;
  1282. u16 cnic_spq_pending;
  1283. u8 fip_mac[ETH_ALEN];
  1284. struct mutex cnic_mutex;
  1285. struct bnx2x_vlan_mac_obj iscsi_l2_mac_obj;
  1286. /* Start index of the "special" (CNIC related) L2 cleints */
  1287. u8 cnic_base_cl_id;
  1288. int dmae_ready;
  1289. /* used to synchronize dmae accesses */
  1290. spinlock_t dmae_lock;
  1291. /* used to protect the FW mail box */
  1292. struct mutex fw_mb_mutex;
  1293. /* used to synchronize stats collecting */
  1294. int stats_state;
  1295. /* used for synchronization of concurrent threads statistics handling */
  1296. spinlock_t stats_lock;
  1297. /* used by dmae command loader */
  1298. struct dmae_command stats_dmae;
  1299. int executer_idx;
  1300. u16 stats_counter;
  1301. struct bnx2x_eth_stats eth_stats;
  1302. struct host_func_stats func_stats;
  1303. struct bnx2x_eth_stats_old eth_stats_old;
  1304. struct bnx2x_net_stats_old net_stats_old;
  1305. struct bnx2x_fw_port_stats_old fw_stats_old;
  1306. bool stats_init;
  1307. struct z_stream_s *strm;
  1308. void *gunzip_buf;
  1309. dma_addr_t gunzip_mapping;
  1310. int gunzip_outlen;
  1311. #define FW_BUF_SIZE 0x8000
  1312. #define GUNZIP_BUF(bp) (bp->gunzip_buf)
  1313. #define GUNZIP_PHYS(bp) (bp->gunzip_mapping)
  1314. #define GUNZIP_OUTLEN(bp) (bp->gunzip_outlen)
  1315. struct raw_op *init_ops;
  1316. /* Init blocks offsets inside init_ops */
  1317. u16 *init_ops_offsets;
  1318. /* Data blob - has 32 bit granularity */
  1319. u32 *init_data;
  1320. u32 init_mode_flags;
  1321. #define INIT_MODE_FLAGS(bp) (bp->init_mode_flags)
  1322. /* Zipped PRAM blobs - raw data */
  1323. const u8 *tsem_int_table_data;
  1324. const u8 *tsem_pram_data;
  1325. const u8 *usem_int_table_data;
  1326. const u8 *usem_pram_data;
  1327. const u8 *xsem_int_table_data;
  1328. const u8 *xsem_pram_data;
  1329. const u8 *csem_int_table_data;
  1330. const u8 *csem_pram_data;
  1331. #define INIT_OPS(bp) (bp->init_ops)
  1332. #define INIT_OPS_OFFSETS(bp) (bp->init_ops_offsets)
  1333. #define INIT_DATA(bp) (bp->init_data)
  1334. #define INIT_TSEM_INT_TABLE_DATA(bp) (bp->tsem_int_table_data)
  1335. #define INIT_TSEM_PRAM_DATA(bp) (bp->tsem_pram_data)
  1336. #define INIT_USEM_INT_TABLE_DATA(bp) (bp->usem_int_table_data)
  1337. #define INIT_USEM_PRAM_DATA(bp) (bp->usem_pram_data)
  1338. #define INIT_XSEM_INT_TABLE_DATA(bp) (bp->xsem_int_table_data)
  1339. #define INIT_XSEM_PRAM_DATA(bp) (bp->xsem_pram_data)
  1340. #define INIT_CSEM_INT_TABLE_DATA(bp) (bp->csem_int_table_data)
  1341. #define INIT_CSEM_PRAM_DATA(bp) (bp->csem_pram_data)
  1342. #define PHY_FW_VER_LEN 20
  1343. char fw_ver[32];
  1344. const struct firmware *firmware;
  1345. struct bnx2x_vfdb *vfdb;
  1346. #define IS_SRIOV(bp) ((bp)->vfdb)
  1347. /* DCB support on/off */
  1348. u16 dcb_state;
  1349. #define BNX2X_DCB_STATE_OFF 0
  1350. #define BNX2X_DCB_STATE_ON 1
  1351. /* DCBX engine mode */
  1352. int dcbx_enabled;
  1353. #define BNX2X_DCBX_ENABLED_OFF 0
  1354. #define BNX2X_DCBX_ENABLED_ON_NEG_OFF 1
  1355. #define BNX2X_DCBX_ENABLED_ON_NEG_ON 2
  1356. #define BNX2X_DCBX_ENABLED_INVALID (-1)
  1357. bool dcbx_mode_uset;
  1358. struct bnx2x_config_dcbx_params dcbx_config_params;
  1359. struct bnx2x_dcbx_port_params dcbx_port_params;
  1360. int dcb_version;
  1361. /* CAM credit pools */
  1362. /* used only in sriov */
  1363. struct bnx2x_credit_pool_obj vlans_pool;
  1364. struct bnx2x_credit_pool_obj macs_pool;
  1365. /* RX_MODE object */
  1366. struct bnx2x_rx_mode_obj rx_mode_obj;
  1367. /* MCAST object */
  1368. struct bnx2x_mcast_obj mcast_obj;
  1369. /* RSS configuration object */
  1370. struct bnx2x_rss_config_obj rss_conf_obj;
  1371. /* Function State controlling object */
  1372. struct bnx2x_func_sp_obj func_obj;
  1373. unsigned long sp_state;
  1374. /* operation indication for the sp_rtnl task */
  1375. unsigned long sp_rtnl_state;
  1376. /* DCBX Negotation results */
  1377. struct dcbx_features dcbx_local_feat;
  1378. u32 dcbx_error;
  1379. #ifdef BCM_DCBNL
  1380. struct dcbx_features dcbx_remote_feat;
  1381. u32 dcbx_remote_flags;
  1382. #endif
  1383. /* AFEX: store default vlan used */
  1384. int afex_def_vlan_tag;
  1385. enum mf_cfg_afex_vlan_mode afex_vlan_mode;
  1386. u32 pending_max;
  1387. /* multiple tx classes of service */
  1388. u8 max_cos;
  1389. /* priority to cos mapping */
  1390. u8 prio_to_cos[8];
  1391. int fp_array_size;
  1392. u32 dump_preset_idx;
  1393. };
  1394. /* Tx queues may be less or equal to Rx queues */
  1395. extern int num_queues;
  1396. #define BNX2X_NUM_QUEUES(bp) (bp->num_queues)
  1397. #define BNX2X_NUM_ETH_QUEUES(bp) ((bp)->num_ethernet_queues)
  1398. #define BNX2X_NUM_NON_CNIC_QUEUES(bp) (BNX2X_NUM_QUEUES(bp) - \
  1399. (bp)->num_cnic_queues)
  1400. #define BNX2X_NUM_RX_QUEUES(bp) BNX2X_NUM_QUEUES(bp)
  1401. #define is_multi(bp) (BNX2X_NUM_QUEUES(bp) > 1)
  1402. #define BNX2X_MAX_QUEUES(bp) BNX2X_MAX_RSS_COUNT(bp)
  1403. /* #define is_eth_multi(bp) (BNX2X_NUM_ETH_QUEUES(bp) > 1) */
  1404. #define RSS_IPV4_CAP_MASK \
  1405. TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV4_CAPABILITY
  1406. #define RSS_IPV4_TCP_CAP_MASK \
  1407. TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV4_TCP_CAPABILITY
  1408. #define RSS_IPV6_CAP_MASK \
  1409. TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV6_CAPABILITY
  1410. #define RSS_IPV6_TCP_CAP_MASK \
  1411. TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV6_TCP_CAPABILITY
  1412. /* func init flags */
  1413. #define FUNC_FLG_RSS 0x0001
  1414. #define FUNC_FLG_STATS 0x0002
  1415. /* removed FUNC_FLG_UNMATCHED 0x0004 */
  1416. #define FUNC_FLG_TPA 0x0008
  1417. #define FUNC_FLG_SPQ 0x0010
  1418. #define FUNC_FLG_LEADING 0x0020 /* PF only */
  1419. struct bnx2x_func_init_params {
  1420. /* dma */
  1421. dma_addr_t fw_stat_map; /* valid iff FUNC_FLG_STATS */
  1422. dma_addr_t spq_map; /* valid iff FUNC_FLG_SPQ */
  1423. u16 func_flgs;
  1424. u16 func_id; /* abs fid */
  1425. u16 pf_id;
  1426. u16 spq_prod; /* valid iff FUNC_FLG_SPQ */
  1427. };
  1428. #define for_each_cnic_queue(bp, var) \
  1429. for ((var) = BNX2X_NUM_ETH_QUEUES(bp); (var) < BNX2X_NUM_QUEUES(bp); \
  1430. (var)++) \
  1431. if (skip_queue(bp, var)) \
  1432. continue; \
  1433. else
  1434. #define for_each_eth_queue(bp, var) \
  1435. for ((var) = 0; (var) < BNX2X_NUM_ETH_QUEUES(bp); (var)++)
  1436. #define for_each_nondefault_eth_queue(bp, var) \
  1437. for ((var) = 1; (var) < BNX2X_NUM_ETH_QUEUES(bp); (var)++)
  1438. #define for_each_queue(bp, var) \
  1439. for ((var) = 0; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
  1440. if (skip_queue(bp, var)) \
  1441. continue; \
  1442. else
  1443. /* Skip forwarding FP */
  1444. #define for_each_valid_rx_queue(bp, var) \
  1445. for ((var) = 0; \
  1446. (var) < (CNIC_LOADED(bp) ? BNX2X_NUM_QUEUES(bp) : \
  1447. BNX2X_NUM_ETH_QUEUES(bp)); \
  1448. (var)++) \
  1449. if (skip_rx_queue(bp, var)) \
  1450. continue; \
  1451. else
  1452. #define for_each_rx_queue_cnic(bp, var) \
  1453. for ((var) = BNX2X_NUM_ETH_QUEUES(bp); (var) < BNX2X_NUM_QUEUES(bp); \
  1454. (var)++) \
  1455. if (skip_rx_queue(bp, var)) \
  1456. continue; \
  1457. else
  1458. #define for_each_rx_queue(bp, var) \
  1459. for ((var) = 0; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
  1460. if (skip_rx_queue(bp, var)) \
  1461. continue; \
  1462. else
  1463. /* Skip OOO FP */
  1464. #define for_each_valid_tx_queue(bp, var) \
  1465. for ((var) = 0; \
  1466. (var) < (CNIC_LOADED(bp) ? BNX2X_NUM_QUEUES(bp) : \
  1467. BNX2X_NUM_ETH_QUEUES(bp)); \
  1468. (var)++) \
  1469. if (skip_tx_queue(bp, var)) \
  1470. continue; \
  1471. else
  1472. #define for_each_tx_queue_cnic(bp, var) \
  1473. for ((var) = BNX2X_NUM_ETH_QUEUES(bp); (var) < BNX2X_NUM_QUEUES(bp); \
  1474. (var)++) \
  1475. if (skip_tx_queue(bp, var)) \
  1476. continue; \
  1477. else
  1478. #define for_each_tx_queue(bp, var) \
  1479. for ((var) = 0; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
  1480. if (skip_tx_queue(bp, var)) \
  1481. continue; \
  1482. else
  1483. #define for_each_nondefault_queue(bp, var) \
  1484. for ((var) = 1; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
  1485. if (skip_queue(bp, var)) \
  1486. continue; \
  1487. else
  1488. #define for_each_cos_in_tx_queue(fp, var) \
  1489. for ((var) = 0; (var) < (fp)->max_cos; (var)++)
  1490. /* skip rx queue
  1491. * if FCOE l2 support is disabled and this is the fcoe L2 queue
  1492. */
  1493. #define skip_rx_queue(bp, idx) (NO_FCOE(bp) && IS_FCOE_IDX(idx))
  1494. /* skip tx queue
  1495. * if FCOE l2 support is disabled and this is the fcoe L2 queue
  1496. */
  1497. #define skip_tx_queue(bp, idx) (NO_FCOE(bp) && IS_FCOE_IDX(idx))
  1498. #define skip_queue(bp, idx) (NO_FCOE(bp) && IS_FCOE_IDX(idx))
  1499. /**
  1500. * bnx2x_set_mac_one - configure a single MAC address
  1501. *
  1502. * @bp: driver handle
  1503. * @mac: MAC to configure
  1504. * @obj: MAC object handle
  1505. * @set: if 'true' add a new MAC, otherwise - delete
  1506. * @mac_type: the type of the MAC to configure (e.g. ETH, UC list)
  1507. * @ramrod_flags: RAMROD_XXX flags (e.g. RAMROD_CONT, RAMROD_COMP_WAIT)
  1508. *
  1509. * Configures one MAC according to provided parameters or continues the
  1510. * execution of previously scheduled commands if RAMROD_CONT is set in
  1511. * ramrod_flags.
  1512. *
  1513. * Returns zero if operation has successfully completed, a positive value if the
  1514. * operation has been successfully scheduled and a negative - if a requested
  1515. * operations has failed.
  1516. */
  1517. int bnx2x_set_mac_one(struct bnx2x *bp, u8 *mac,
  1518. struct bnx2x_vlan_mac_obj *obj, bool set,
  1519. int mac_type, unsigned long *ramrod_flags);
  1520. /**
  1521. * bnx2x_del_all_macs - delete all MACs configured for the specific MAC object
  1522. *
  1523. * @bp: driver handle
  1524. * @mac_obj: MAC object handle
  1525. * @mac_type: type of the MACs to clear (BNX2X_XXX_MAC)
  1526. * @wait_for_comp: if 'true' block until completion
  1527. *
  1528. * Deletes all MACs of the specific type (e.g. ETH, UC list).
  1529. *
  1530. * Returns zero if operation has successfully completed, a positive value if the
  1531. * operation has been successfully scheduled and a negative - if a requested
  1532. * operations has failed.
  1533. */
  1534. int bnx2x_del_all_macs(struct bnx2x *bp,
  1535. struct bnx2x_vlan_mac_obj *mac_obj,
  1536. int mac_type, bool wait_for_comp);
  1537. /* Init Function API */
  1538. void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p);
  1539. void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
  1540. u8 vf_valid, int fw_sb_id, int igu_sb_id);
  1541. u32 bnx2x_get_pretend_reg(struct bnx2x *bp);
  1542. int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port);
  1543. int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port);
  1544. int bnx2x_set_mult_gpio(struct bnx2x *bp, u8 pins, u32 mode);
  1545. int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port);
  1546. void bnx2x_read_mf_cfg(struct bnx2x *bp);
  1547. int bnx2x_pretend_func(struct bnx2x *bp, u16 pretend_func_val);
  1548. /* dmae */
  1549. void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32);
  1550. void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
  1551. u32 len32);
  1552. void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx);
  1553. u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type);
  1554. u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode);
  1555. u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
  1556. bool with_comp, u8 comp_type);
  1557. void bnx2x_prep_dmae_with_comp(struct bnx2x *bp, struct dmae_command *dmae,
  1558. u8 src_type, u8 dst_type);
  1559. int bnx2x_issue_dmae_with_comp(struct bnx2x *bp, struct dmae_command *dmae);
  1560. void bnx2x_dp_dmae(struct bnx2x *bp, struct dmae_command *dmae, int msglvl);
  1561. /* FLR related routines */
  1562. u32 bnx2x_flr_clnup_poll_count(struct bnx2x *bp);
  1563. void bnx2x_tx_hw_flushed(struct bnx2x *bp, u32 poll_count);
  1564. int bnx2x_send_final_clnup(struct bnx2x *bp, u8 clnup_func, u32 poll_cnt);
  1565. u8 bnx2x_is_pcie_pending(struct pci_dev *dev);
  1566. int bnx2x_flr_clnup_poll_hw_counter(struct bnx2x *bp, u32 reg,
  1567. char *msg, u32 poll_cnt);
  1568. void bnx2x_calc_fc_adv(struct bnx2x *bp);
  1569. int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
  1570. u32 data_hi, u32 data_lo, int cmd_type);
  1571. void bnx2x_update_coalesce(struct bnx2x *bp);
  1572. int bnx2x_get_cur_phy_idx(struct bnx2x *bp);
  1573. static inline u32 reg_poll(struct bnx2x *bp, u32 reg, u32 expected, int ms,
  1574. int wait)
  1575. {
  1576. u32 val;
  1577. do {
  1578. val = REG_RD(bp, reg);
  1579. if (val == expected)
  1580. break;
  1581. ms -= wait;
  1582. msleep(wait);
  1583. } while (ms > 0);
  1584. return val;
  1585. }
  1586. void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func, u8 idu_sb_id,
  1587. bool is_pf);
  1588. #define BNX2X_ILT_ZALLOC(x, y, size) \
  1589. do { \
  1590. x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
  1591. if (x) \
  1592. memset(x, 0, size); \
  1593. } while (0)
  1594. #define BNX2X_ILT_FREE(x, y, size) \
  1595. do { \
  1596. if (x) { \
  1597. dma_free_coherent(&bp->pdev->dev, size, x, y); \
  1598. x = NULL; \
  1599. y = 0; \
  1600. } \
  1601. } while (0)
  1602. #define ILOG2(x) (ilog2((x)))
  1603. #define ILT_NUM_PAGE_ENTRIES (3072)
  1604. /* In 57710/11 we use whole table since we have 8 func
  1605. * In 57712 we have only 4 func, but use same size per func, then only half of
  1606. * the table in use
  1607. */
  1608. #define ILT_PER_FUNC (ILT_NUM_PAGE_ENTRIES/8)
  1609. #define FUNC_ILT_BASE(func) (func * ILT_PER_FUNC)
  1610. /*
  1611. * the phys address is shifted right 12 bits and has an added
  1612. * 1=valid bit added to the 53rd bit
  1613. * then since this is a wide register(TM)
  1614. * we split it into two 32 bit writes
  1615. */
  1616. #define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF))
  1617. #define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44)))
  1618. /* load/unload mode */
  1619. #define LOAD_NORMAL 0
  1620. #define LOAD_OPEN 1
  1621. #define LOAD_DIAG 2
  1622. #define LOAD_LOOPBACK_EXT 3
  1623. #define UNLOAD_NORMAL 0
  1624. #define UNLOAD_CLOSE 1
  1625. #define UNLOAD_RECOVERY 2
  1626. /* DMAE command defines */
  1627. #define DMAE_TIMEOUT -1
  1628. #define DMAE_PCI_ERROR -2 /* E2 and onward */
  1629. #define DMAE_NOT_RDY -3
  1630. #define DMAE_PCI_ERR_FLAG 0x80000000
  1631. #define DMAE_SRC_PCI 0
  1632. #define DMAE_SRC_GRC 1
  1633. #define DMAE_DST_NONE 0
  1634. #define DMAE_DST_PCI 1
  1635. #define DMAE_DST_GRC 2
  1636. #define DMAE_COMP_PCI 0
  1637. #define DMAE_COMP_GRC 1
  1638. /* E2 and onward - PCI error handling in the completion */
  1639. #define DMAE_COMP_REGULAR 0
  1640. #define DMAE_COM_SET_ERR 1
  1641. #define DMAE_CMD_SRC_PCI (DMAE_SRC_PCI << \
  1642. DMAE_COMMAND_SRC_SHIFT)
  1643. #define DMAE_CMD_SRC_GRC (DMAE_SRC_GRC << \
  1644. DMAE_COMMAND_SRC_SHIFT)
  1645. #define DMAE_CMD_DST_PCI (DMAE_DST_PCI << \
  1646. DMAE_COMMAND_DST_SHIFT)
  1647. #define DMAE_CMD_DST_GRC (DMAE_DST_GRC << \
  1648. DMAE_COMMAND_DST_SHIFT)
  1649. #define DMAE_CMD_C_DST_PCI (DMAE_COMP_PCI << \
  1650. DMAE_COMMAND_C_DST_SHIFT)
  1651. #define DMAE_CMD_C_DST_GRC (DMAE_COMP_GRC << \
  1652. DMAE_COMMAND_C_DST_SHIFT)
  1653. #define DMAE_CMD_C_ENABLE DMAE_COMMAND_C_TYPE_ENABLE
  1654. #define DMAE_CMD_ENDIANITY_NO_SWAP (0 << DMAE_COMMAND_ENDIANITY_SHIFT)
  1655. #define DMAE_CMD_ENDIANITY_B_SWAP (1 << DMAE_COMMAND_ENDIANITY_SHIFT)
  1656. #define DMAE_CMD_ENDIANITY_DW_SWAP (2 << DMAE_COMMAND_ENDIANITY_SHIFT)
  1657. #define DMAE_CMD_ENDIANITY_B_DW_SWAP (3 << DMAE_COMMAND_ENDIANITY_SHIFT)
  1658. #define DMAE_CMD_PORT_0 0
  1659. #define DMAE_CMD_PORT_1 DMAE_COMMAND_PORT
  1660. #define DMAE_CMD_SRC_RESET DMAE_COMMAND_SRC_RESET
  1661. #define DMAE_CMD_DST_RESET DMAE_COMMAND_DST_RESET
  1662. #define DMAE_CMD_E1HVN_SHIFT DMAE_COMMAND_E1HVN_SHIFT
  1663. #define DMAE_SRC_PF 0
  1664. #define DMAE_SRC_VF 1
  1665. #define DMAE_DST_PF 0
  1666. #define DMAE_DST_VF 1
  1667. #define DMAE_C_SRC 0
  1668. #define DMAE_C_DST 1
  1669. #define DMAE_LEN32_RD_MAX 0x80
  1670. #define DMAE_LEN32_WR_MAX(bp) (CHIP_IS_E1(bp) ? 0x400 : 0x2000)
  1671. #define DMAE_COMP_VAL 0x60d0d0ae /* E2 and on - upper bit
  1672. indicates eror */
  1673. #define MAX_DMAE_C_PER_PORT 8
  1674. #define INIT_DMAE_C(bp) (BP_PORT(bp) * MAX_DMAE_C_PER_PORT + \
  1675. BP_VN(bp))
  1676. #define PMF_DMAE_C(bp) (BP_PORT(bp) * MAX_DMAE_C_PER_PORT + \
  1677. E1HVN_MAX)
  1678. /* PCIE link and speed */
  1679. #define PCICFG_LINK_WIDTH 0x1f00000
  1680. #define PCICFG_LINK_WIDTH_SHIFT 20
  1681. #define PCICFG_LINK_SPEED 0xf0000
  1682. #define PCICFG_LINK_SPEED_SHIFT 16
  1683. #define BNX2X_NUM_TESTS_SF 7
  1684. #define BNX2X_NUM_TESTS_MF 3
  1685. #define BNX2X_NUM_TESTS(bp) (IS_MF(bp) ? BNX2X_NUM_TESTS_MF : \
  1686. BNX2X_NUM_TESTS_SF)
  1687. #define BNX2X_PHY_LOOPBACK 0
  1688. #define BNX2X_MAC_LOOPBACK 1
  1689. #define BNX2X_EXT_LOOPBACK 2
  1690. #define BNX2X_PHY_LOOPBACK_FAILED 1
  1691. #define BNX2X_MAC_LOOPBACK_FAILED 2
  1692. #define BNX2X_EXT_LOOPBACK_FAILED 3
  1693. #define BNX2X_LOOPBACK_FAILED (BNX2X_MAC_LOOPBACK_FAILED | \
  1694. BNX2X_PHY_LOOPBACK_FAILED)
  1695. #define STROM_ASSERT_ARRAY_SIZE 50
  1696. /* must be used on a CID before placing it on a HW ring */
  1697. #define HW_CID(bp, x) ((BP_PORT(bp) << 23) | \
  1698. (BP_VN(bp) << BNX2X_SWCID_SHIFT) | \
  1699. (x))
  1700. #define SP_DESC_CNT (BCM_PAGE_SIZE / sizeof(struct eth_spe))
  1701. #define MAX_SP_DESC_CNT (SP_DESC_CNT - 1)
  1702. #define BNX2X_BTR 4
  1703. #define MAX_SPQ_PENDING 8
  1704. /* CMNG constants, as derived from system spec calculations */
  1705. /* default MIN rate in case VNIC min rate is configured to zero - 100Mbps */
  1706. #define DEF_MIN_RATE 100
  1707. /* resolution of the rate shaping timer - 400 usec */
  1708. #define RS_PERIODIC_TIMEOUT_USEC 400
  1709. /* number of bytes in single QM arbitration cycle -
  1710. * coefficient for calculating the fairness timer */
  1711. #define QM_ARB_BYTES 160000
  1712. /* resolution of Min algorithm 1:100 */
  1713. #define MIN_RES 100
  1714. /* how many bytes above threshold for the minimal credit of Min algorithm*/
  1715. #define MIN_ABOVE_THRESH 32768
  1716. /* Fairness algorithm integration time coefficient -
  1717. * for calculating the actual Tfair */
  1718. #define T_FAIR_COEF ((MIN_ABOVE_THRESH + QM_ARB_BYTES) * 8 * MIN_RES)
  1719. /* Memory of fairness algorithm . 2 cycles */
  1720. #define FAIR_MEM 2
  1721. #define ATTN_NIG_FOR_FUNC (1L << 8)
  1722. #define ATTN_SW_TIMER_4_FUNC (1L << 9)
  1723. #define GPIO_2_FUNC (1L << 10)
  1724. #define GPIO_3_FUNC (1L << 11)
  1725. #define GPIO_4_FUNC (1L << 12)
  1726. #define ATTN_GENERAL_ATTN_1 (1L << 13)
  1727. #define ATTN_GENERAL_ATTN_2 (1L << 14)
  1728. #define ATTN_GENERAL_ATTN_3 (1L << 15)
  1729. #define ATTN_GENERAL_ATTN_4 (1L << 13)
  1730. #define ATTN_GENERAL_ATTN_5 (1L << 14)
  1731. #define ATTN_GENERAL_ATTN_6 (1L << 15)
  1732. #define ATTN_HARD_WIRED_MASK 0xff00
  1733. #define ATTENTION_ID 4
  1734. /* stuff added to make the code fit 80Col */
  1735. #define BNX2X_PMF_LINK_ASSERT \
  1736. GENERAL_ATTEN_OFFSET(LINK_SYNC_ATTENTION_BIT_FUNC_0 + BP_FUNC(bp))
  1737. #define BNX2X_MC_ASSERT_BITS \
  1738. (GENERAL_ATTEN_OFFSET(TSTORM_FATAL_ASSERT_ATTENTION_BIT) | \
  1739. GENERAL_ATTEN_OFFSET(USTORM_FATAL_ASSERT_ATTENTION_BIT) | \
  1740. GENERAL_ATTEN_OFFSET(CSTORM_FATAL_ASSERT_ATTENTION_BIT) | \
  1741. GENERAL_ATTEN_OFFSET(XSTORM_FATAL_ASSERT_ATTENTION_BIT))
  1742. #define BNX2X_MCP_ASSERT \
  1743. GENERAL_ATTEN_OFFSET(MCP_FATAL_ASSERT_ATTENTION_BIT)
  1744. #define BNX2X_GRC_TIMEOUT GENERAL_ATTEN_OFFSET(LATCHED_ATTN_TIMEOUT_GRC)
  1745. #define BNX2X_GRC_RSV (GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCR) | \
  1746. GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCT) | \
  1747. GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCN) | \
  1748. GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCU) | \
  1749. GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCP) | \
  1750. GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RSVD_GRC))
  1751. #define HW_INTERRUT_ASSERT_SET_0 \
  1752. (AEU_INPUTS_ATTN_BITS_TSDM_HW_INTERRUPT | \
  1753. AEU_INPUTS_ATTN_BITS_TCM_HW_INTERRUPT | \
  1754. AEU_INPUTS_ATTN_BITS_TSEMI_HW_INTERRUPT | \
  1755. AEU_INPUTS_ATTN_BITS_BRB_HW_INTERRUPT | \
  1756. AEU_INPUTS_ATTN_BITS_PBCLIENT_HW_INTERRUPT)
  1757. #define HW_PRTY_ASSERT_SET_0 (AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR | \
  1758. AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR | \
  1759. AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR | \
  1760. AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR |\
  1761. AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR |\
  1762. AEU_INPUTS_ATTN_BITS_TCM_PARITY_ERROR |\
  1763. AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR)
  1764. #define HW_INTERRUT_ASSERT_SET_1 \
  1765. (AEU_INPUTS_ATTN_BITS_QM_HW_INTERRUPT | \
  1766. AEU_INPUTS_ATTN_BITS_TIMERS_HW_INTERRUPT | \
  1767. AEU_INPUTS_ATTN_BITS_XSDM_HW_INTERRUPT | \
  1768. AEU_INPUTS_ATTN_BITS_XCM_HW_INTERRUPT | \
  1769. AEU_INPUTS_ATTN_BITS_XSEMI_HW_INTERRUPT | \
  1770. AEU_INPUTS_ATTN_BITS_USDM_HW_INTERRUPT | \
  1771. AEU_INPUTS_ATTN_BITS_UCM_HW_INTERRUPT | \
  1772. AEU_INPUTS_ATTN_BITS_USEMI_HW_INTERRUPT | \
  1773. AEU_INPUTS_ATTN_BITS_UPB_HW_INTERRUPT | \
  1774. AEU_INPUTS_ATTN_BITS_CSDM_HW_INTERRUPT | \
  1775. AEU_INPUTS_ATTN_BITS_CCM_HW_INTERRUPT)
  1776. #define HW_PRTY_ASSERT_SET_1 (AEU_INPUTS_ATTN_BITS_PBF_PARITY_ERROR |\
  1777. AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR | \
  1778. AEU_INPUTS_ATTN_BITS_TIMERS_PARITY_ERROR |\
  1779. AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR | \
  1780. AEU_INPUTS_ATTN_BITS_XCM_PARITY_ERROR |\
  1781. AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR | \
  1782. AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR |\
  1783. AEU_INPUTS_ATTN_BITS_NIG_PARITY_ERROR |\
  1784. AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR |\
  1785. AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR | \
  1786. AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR | \
  1787. AEU_INPUTS_ATTN_BITS_UCM_PARITY_ERROR |\
  1788. AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR | \
  1789. AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR | \
  1790. AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR |\
  1791. AEU_INPUTS_ATTN_BITS_CCM_PARITY_ERROR)
  1792. #define HW_INTERRUT_ASSERT_SET_2 \
  1793. (AEU_INPUTS_ATTN_BITS_CSEMI_HW_INTERRUPT | \
  1794. AEU_INPUTS_ATTN_BITS_CDU_HW_INTERRUPT | \
  1795. AEU_INPUTS_ATTN_BITS_DMAE_HW_INTERRUPT | \
  1796. AEU_INPUTS_ATTN_BITS_PXPPCICLOCKCLIENT_HW_INTERRUPT |\
  1797. AEU_INPUTS_ATTN_BITS_MISC_HW_INTERRUPT)
  1798. #define HW_PRTY_ASSERT_SET_2 (AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR | \
  1799. AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR | \
  1800. AEU_INPUTS_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR |\
  1801. AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR | \
  1802. AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR | \
  1803. AEU_INPUTS_ATTN_BITS_DMAE_PARITY_ERROR |\
  1804. AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR | \
  1805. AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR)
  1806. #define HW_PRTY_ASSERT_SET_3 (AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY | \
  1807. AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY | \
  1808. AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY | \
  1809. AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY)
  1810. #define HW_PRTY_ASSERT_SET_4 (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR | \
  1811. AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)
  1812. #define MULTI_MASK 0x7f
  1813. #define DEF_USB_FUNC_OFF offsetof(struct cstorm_def_status_block_u, func)
  1814. #define DEF_CSB_FUNC_OFF offsetof(struct cstorm_def_status_block_c, func)
  1815. #define DEF_XSB_FUNC_OFF offsetof(struct xstorm_def_status_block, func)
  1816. #define DEF_TSB_FUNC_OFF offsetof(struct tstorm_def_status_block, func)
  1817. #define DEF_USB_IGU_INDEX_OFF \
  1818. offsetof(struct cstorm_def_status_block_u, igu_index)
  1819. #define DEF_CSB_IGU_INDEX_OFF \
  1820. offsetof(struct cstorm_def_status_block_c, igu_index)
  1821. #define DEF_XSB_IGU_INDEX_OFF \
  1822. offsetof(struct xstorm_def_status_block, igu_index)
  1823. #define DEF_TSB_IGU_INDEX_OFF \
  1824. offsetof(struct tstorm_def_status_block, igu_index)
  1825. #define DEF_USB_SEGMENT_OFF \
  1826. offsetof(struct cstorm_def_status_block_u, segment)
  1827. #define DEF_CSB_SEGMENT_OFF \
  1828. offsetof(struct cstorm_def_status_block_c, segment)
  1829. #define DEF_XSB_SEGMENT_OFF \
  1830. offsetof(struct xstorm_def_status_block, segment)
  1831. #define DEF_TSB_SEGMENT_OFF \
  1832. offsetof(struct tstorm_def_status_block, segment)
  1833. #define BNX2X_SP_DSB_INDEX \
  1834. (&bp->def_status_blk->sp_sb.\
  1835. index_values[HC_SP_INDEX_ETH_DEF_CONS])
  1836. #define CAM_IS_INVALID(x) \
  1837. (GET_FLAG(x.flags, \
  1838. MAC_CONFIGURATION_ENTRY_ACTION_TYPE) == \
  1839. (T_ETH_MAC_COMMAND_INVALIDATE))
  1840. /* Number of u32 elements in MC hash array */
  1841. #define MC_HASH_SIZE 8
  1842. #define MC_HASH_OFFSET(bp, i) (BAR_TSTRORM_INTMEM + \
  1843. TSTORM_APPROXIMATE_MATCH_MULTICAST_FILTERING_OFFSET(BP_FUNC(bp)) + i*4)
  1844. #ifndef PXP2_REG_PXP2_INT_STS
  1845. #define PXP2_REG_PXP2_INT_STS PXP2_REG_PXP2_INT_STS_0
  1846. #endif
  1847. #ifndef ETH_MAX_RX_CLIENTS_E2
  1848. #define ETH_MAX_RX_CLIENTS_E2 ETH_MAX_RX_CLIENTS_E1H
  1849. #endif
  1850. #define BNX2X_VPD_LEN 128
  1851. #define VENDOR_ID_LEN 4
  1852. #define VF_ACQUIRE_THRESH 3
  1853. #define VF_ACQUIRE_MAC_FILTERS 1
  1854. #define VF_ACQUIRE_MC_FILTERS 10
  1855. #define GOOD_ME_REG(me_reg) (((me_reg) & ME_REG_VF_VALID) && \
  1856. (!((me_reg) & ME_REG_VF_ERR)))
  1857. int bnx2x_nic_load_analyze_req(struct bnx2x *bp, u32 load_code);
  1858. /* Congestion management fairness mode */
  1859. #define CMNG_FNS_NONE 0
  1860. #define CMNG_FNS_MINMAX 1
  1861. #define HC_SEG_ACCESS_DEF 0 /*Driver decision 0-3*/
  1862. #define HC_SEG_ACCESS_ATTN 4
  1863. #define HC_SEG_ACCESS_NORM 0 /*Driver decision 0-1*/
  1864. static const u32 dmae_reg_go_c[] = {
  1865. DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
  1866. DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
  1867. DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
  1868. DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
  1869. };
  1870. void bnx2x_set_ethtool_ops(struct net_device *netdev);
  1871. void bnx2x_notify_link_changed(struct bnx2x *bp);
  1872. #define BNX2X_MF_SD_PROTOCOL(bp) \
  1873. ((bp)->mf_config[BP_VN(bp)] & FUNC_MF_CFG_PROTOCOL_MASK)
  1874. #define BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp) \
  1875. (BNX2X_MF_SD_PROTOCOL(bp) == FUNC_MF_CFG_PROTOCOL_ISCSI)
  1876. #define BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp) \
  1877. (BNX2X_MF_SD_PROTOCOL(bp) == FUNC_MF_CFG_PROTOCOL_FCOE)
  1878. #define IS_MF_ISCSI_SD(bp) (IS_MF_SD(bp) && BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp))
  1879. #define IS_MF_FCOE_SD(bp) (IS_MF_SD(bp) && BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp))
  1880. #define BNX2X_MF_EXT_PROTOCOL_FCOE(bp) ((bp)->mf_ext_config & \
  1881. MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD)
  1882. #define IS_MF_FCOE_AFEX(bp) (IS_MF_AFEX(bp) && BNX2X_MF_EXT_PROTOCOL_FCOE(bp))
  1883. #define IS_MF_STORAGE_SD(bp) (IS_MF_SD(bp) && \
  1884. (BNX2X_IS_MF_SD_PROTOCOL_ISCSI(bp) || \
  1885. BNX2X_IS_MF_SD_PROTOCOL_FCOE(bp)))
  1886. #define SET_FLAG(value, mask, flag) \
  1887. do {\
  1888. (value) &= ~(mask);\
  1889. (value) |= ((flag) << (mask##_SHIFT));\
  1890. } while (0)
  1891. #define GET_FLAG(value, mask) \
  1892. (((value) & (mask)) >> (mask##_SHIFT))
  1893. #define GET_FIELD(value, fname) \
  1894. (((value) & (fname##_MASK)) >> (fname##_SHIFT))
  1895. enum {
  1896. SWITCH_UPDATE,
  1897. AFEX_UPDATE,
  1898. };
  1899. #define NUM_MACS 8
  1900. #endif /* bnx2x.h */