/drivers/net/ethernet/emulex/benet/be.h

http://github.com/mirrors/linux · C Header · 993 lines · 763 code · 146 blank · 84 comment · 43 complexity · 9df4ff8d6e47edbb9c33fad97625da7a MD5 · raw file

  1. /* SPDX-License-Identifier: GPL-2.0-only */
  2. /*
  3. * Copyright (C) 2005 - 2016 Broadcom
  4. * All rights reserved.
  5. *
  6. * Contact Information:
  7. * linux-drivers@emulex.com
  8. *
  9. * Emulex
  10. * 3333 Susan Street
  11. * Costa Mesa, CA 92626
  12. */
  13. #ifndef BE_H
  14. #define BE_H
  15. #include <linux/pci.h>
  16. #include <linux/etherdevice.h>
  17. #include <linux/delay.h>
  18. #include <net/tcp.h>
  19. #include <net/ip.h>
  20. #include <net/ipv6.h>
  21. #include <linux/if_vlan.h>
  22. #include <linux/workqueue.h>
  23. #include <linux/interrupt.h>
  24. #include <linux/firmware.h>
  25. #include <linux/slab.h>
  26. #include <linux/u64_stats_sync.h>
  27. #include <linux/cpumask.h>
  28. #include <linux/hwmon.h>
  29. #include <linux/hwmon-sysfs.h>
  30. #include "be_hw.h"
  31. #include "be_roce.h"
  32. #define DRV_NAME "be2net"
  33. #define BE_NAME "Emulex BladeEngine2"
  34. #define BE3_NAME "Emulex BladeEngine3"
  35. #define OC_NAME "Emulex OneConnect"
  36. #define OC_NAME_BE OC_NAME "(be3)"
  37. #define OC_NAME_LANCER OC_NAME "(Lancer)"
  38. #define OC_NAME_SH OC_NAME "(Skyhawk)"
  39. #define DRV_DESC "Emulex OneConnect NIC Driver"
  40. #define BE_VENDOR_ID 0x19a2
  41. #define EMULEX_VENDOR_ID 0x10df
  42. #define BE_DEVICE_ID1 0x211
  43. #define BE_DEVICE_ID2 0x221
  44. #define OC_DEVICE_ID1 0x700 /* Device Id for BE2 cards */
  45. #define OC_DEVICE_ID2 0x710 /* Device Id for BE3 cards */
  46. #define OC_DEVICE_ID3 0xe220 /* Device id for Lancer cards */
  47. #define OC_DEVICE_ID4 0xe228 /* Device id for VF in Lancer */
  48. #define OC_DEVICE_ID5 0x720 /* Device Id for Skyhawk cards */
  49. #define OC_DEVICE_ID6 0x728 /* Device id for VF in SkyHawk */
  50. #define OC_SUBSYS_DEVICE_ID1 0xE602
  51. #define OC_SUBSYS_DEVICE_ID2 0xE642
  52. #define OC_SUBSYS_DEVICE_ID3 0xE612
  53. #define OC_SUBSYS_DEVICE_ID4 0xE652
  54. /* Number of bytes of an RX frame that are copied to skb->data */
  55. #define BE_HDR_LEN ((u16) 64)
  56. /* allocate extra space to allow tunneling decapsulation without head reallocation */
  57. #define BE_RX_SKB_ALLOC_SIZE 256
  58. #define BE_MAX_JUMBO_FRAME_SIZE 9018
  59. #define BE_MIN_MTU 256
  60. #define BE_MAX_MTU (BE_MAX_JUMBO_FRAME_SIZE - \
  61. (ETH_HLEN + ETH_FCS_LEN))
  62. /* Accommodate for QnQ configurations where VLAN insertion is enabled in HW */
  63. #define BE_MAX_GSO_SIZE (65535 - 2 * VLAN_HLEN)
  64. #define BE_NUM_VLANS_SUPPORTED 64
  65. #define BE_MAX_EQD 128u
  66. #define BE_MAX_TX_FRAG_COUNT 30
  67. #define EVNT_Q_LEN 1024
  68. #define TX_Q_LEN 2048
  69. #define TX_CQ_LEN 1024
  70. #define RX_Q_LEN 1024 /* Does not support any other value */
  71. #define RX_CQ_LEN 1024
  72. #define MCC_Q_LEN 128 /* total size not to exceed 8 pages */
  73. #define MCC_CQ_LEN 256
  74. #define BE2_MAX_RSS_QS 4
  75. #define BE3_MAX_RSS_QS 16
  76. #define BE3_MAX_TX_QS 16
  77. #define BE3_MAX_EVT_QS 16
  78. #define BE3_SRIOV_MAX_EVT_QS 8
  79. #define SH_VF_MAX_NIC_EQS 3 /* Skyhawk VFs can have a max of 4 EQs
  80. * and at least 1 is granted to either
  81. * SURF/DPDK
  82. */
  83. #define MAX_PORT_RSS_TABLES 15
  84. #define MAX_NIC_FUNCS 16
  85. #define MAX_RX_QS 32
  86. #define MAX_EVT_QS 32
  87. #define MAX_TX_QS 32
  88. #define MAX_ROCE_EQS 5
  89. #define MAX_MSIX_VECTORS 32
  90. #define MIN_MSIX_VECTORS 1
  91. #define BE_NAPI_WEIGHT 64
  92. #define MAX_RX_POST BE_NAPI_WEIGHT /* Frags posted at a time */
  93. #define RX_FRAGS_REFILL_WM (RX_Q_LEN - MAX_RX_POST)
  94. #define MAX_NUM_POST_ERX_DB 255u
  95. #define MAX_VFS 30 /* Max VFs supported by BE3 FW */
  96. #define FW_VER_LEN 32
  97. #define CNTL_SERIAL_NUM_WORDS 8 /* Controller serial number words */
  98. #define CNTL_SERIAL_NUM_WORD_SZ (sizeof(u16)) /* Byte-sz of serial num word */
  99. #define RSS_INDIR_TABLE_LEN 128
  100. #define RSS_HASH_KEY_LEN 40
  101. #define BE_UNKNOWN_PHY_STATE 0xFF
  102. struct be_dma_mem {
  103. void *va;
  104. dma_addr_t dma;
  105. u32 size;
  106. };
  107. struct be_queue_info {
  108. u32 len;
  109. u32 entry_size; /* Size of an element in the queue */
  110. u32 tail, head;
  111. atomic_t used; /* Number of valid elements in the queue */
  112. u32 id;
  113. struct be_dma_mem dma_mem;
  114. bool created;
  115. };
  116. static inline u32 MODULO(u32 val, u32 limit)
  117. {
  118. BUG_ON(limit & (limit - 1));
  119. return val & (limit - 1);
  120. }
  121. static inline void index_adv(u32 *index, u32 val, u32 limit)
  122. {
  123. *index = MODULO((*index + val), limit);
  124. }
  125. static inline void index_inc(u32 *index, u32 limit)
  126. {
  127. *index = MODULO((*index + 1), limit);
  128. }
  129. static inline void *queue_head_node(struct be_queue_info *q)
  130. {
  131. return q->dma_mem.va + q->head * q->entry_size;
  132. }
  133. static inline void *queue_tail_node(struct be_queue_info *q)
  134. {
  135. return q->dma_mem.va + q->tail * q->entry_size;
  136. }
  137. static inline void *queue_index_node(struct be_queue_info *q, u16 index)
  138. {
  139. return q->dma_mem.va + index * q->entry_size;
  140. }
  141. static inline void queue_head_inc(struct be_queue_info *q)
  142. {
  143. index_inc(&q->head, q->len);
  144. }
  145. static inline void index_dec(u32 *index, u32 limit)
  146. {
  147. *index = MODULO((*index - 1), limit);
  148. }
  149. static inline void queue_tail_inc(struct be_queue_info *q)
  150. {
  151. index_inc(&q->tail, q->len);
  152. }
  153. struct be_eq_obj {
  154. struct be_queue_info q;
  155. char desc[32];
  156. struct be_adapter *adapter;
  157. struct napi_struct napi;
  158. u8 idx; /* array index */
  159. u8 msix_idx;
  160. u16 spurious_intr;
  161. cpumask_var_t affinity_mask;
  162. } ____cacheline_aligned_in_smp;
  163. struct be_aic_obj { /* Adaptive interrupt coalescing (AIC) info */
  164. u32 min_eqd; /* in usecs */
  165. u32 max_eqd; /* in usecs */
  166. u32 prev_eqd; /* in usecs */
  167. u32 et_eqd; /* configured val when aic is off */
  168. ulong jiffies;
  169. u64 rx_pkts_prev; /* Used to calculate RX pps */
  170. u64 tx_reqs_prev; /* Used to calculate TX pps */
  171. };
  172. struct be_mcc_obj {
  173. struct be_queue_info q;
  174. struct be_queue_info cq;
  175. bool rearm_cq;
  176. };
  177. struct be_tx_stats {
  178. u64 tx_bytes;
  179. u64 tx_pkts;
  180. u64 tx_vxlan_offload_pkts;
  181. u64 tx_reqs;
  182. u64 tx_compl;
  183. u32 tx_stops;
  184. u32 tx_drv_drops; /* pkts dropped by driver */
  185. /* the error counters are described in be_ethtool.c */
  186. u32 tx_hdr_parse_err;
  187. u32 tx_dma_err;
  188. u32 tx_tso_err;
  189. u32 tx_spoof_check_err;
  190. u32 tx_qinq_err;
  191. u32 tx_internal_parity_err;
  192. u32 tx_sge_err;
  193. struct u64_stats_sync sync;
  194. struct u64_stats_sync sync_compl;
  195. };
  196. /* Structure to hold some data of interest obtained from a TX CQE */
  197. struct be_tx_compl_info {
  198. u8 status; /* Completion status */
  199. u16 end_index; /* Completed TXQ Index */
  200. };
  201. struct be_tx_obj {
  202. u32 db_offset;
  203. struct be_tx_compl_info txcp;
  204. struct be_queue_info q;
  205. struct be_queue_info cq;
  206. /* Remember the skbs that were transmitted */
  207. struct sk_buff *sent_skb_list[TX_Q_LEN];
  208. struct be_tx_stats stats;
  209. u16 pend_wrb_cnt; /* Number of WRBs yet to be given to HW */
  210. u16 last_req_wrb_cnt; /* wrb cnt of the last req in the Q */
  211. u16 last_req_hdr; /* index of the last req's hdr-wrb */
  212. } ____cacheline_aligned_in_smp;
  213. /* Struct to remember the pages posted for rx frags */
  214. struct be_rx_page_info {
  215. struct page *page;
  216. /* set to page-addr for last frag of the page & frag-addr otherwise */
  217. DEFINE_DMA_UNMAP_ADDR(bus);
  218. u16 page_offset;
  219. bool last_frag; /* last frag of the page */
  220. };
  221. struct be_rx_stats {
  222. u64 rx_bytes;
  223. u64 rx_pkts;
  224. u64 rx_vxlan_offload_pkts;
  225. u32 rx_drops_no_skbs; /* skb allocation errors */
  226. u32 rx_drops_no_frags; /* HW has no fetched frags */
  227. u32 rx_post_fail; /* page post alloc failures */
  228. u32 rx_compl;
  229. u32 rx_mcast_pkts;
  230. u32 rx_compl_err; /* completions with err set */
  231. struct u64_stats_sync sync;
  232. };
  233. struct be_rx_compl_info {
  234. u32 rss_hash;
  235. u16 vlan_tag;
  236. u16 pkt_size;
  237. u16 port;
  238. u8 vlanf;
  239. u8 num_rcvd;
  240. u8 err;
  241. u8 ipf;
  242. u8 tcpf;
  243. u8 udpf;
  244. u8 ip_csum;
  245. u8 l4_csum;
  246. u8 ipv6;
  247. u8 qnq;
  248. u8 pkt_type;
  249. u8 ip_frag;
  250. u8 tunneled;
  251. };
  252. struct be_rx_obj {
  253. struct be_adapter *adapter;
  254. struct be_queue_info q;
  255. struct be_queue_info cq;
  256. struct be_rx_compl_info rxcp;
  257. struct be_rx_page_info page_info_tbl[RX_Q_LEN];
  258. struct be_rx_stats stats;
  259. u8 rss_id;
  260. bool rx_post_starved; /* Zero rx frags have been posted to BE */
  261. } ____cacheline_aligned_in_smp;
  262. struct be_drv_stats {
  263. u32 eth_red_drops;
  264. u32 dma_map_errors;
  265. u32 rx_drops_no_pbuf;
  266. u32 rx_drops_no_txpb;
  267. u32 rx_drops_no_erx_descr;
  268. u32 rx_drops_no_tpre_descr;
  269. u32 rx_drops_too_many_frags;
  270. u32 forwarded_packets;
  271. u32 rx_drops_mtu;
  272. u32 rx_crc_errors;
  273. u32 rx_alignment_symbol_errors;
  274. u32 rx_pause_frames;
  275. u32 rx_priority_pause_frames;
  276. u32 rx_control_frames;
  277. u32 rx_in_range_errors;
  278. u32 rx_out_range_errors;
  279. u32 rx_frame_too_long;
  280. u32 rx_address_filtered;
  281. u32 rx_dropped_too_small;
  282. u32 rx_dropped_too_short;
  283. u32 rx_dropped_header_too_small;
  284. u32 rx_dropped_tcp_length;
  285. u32 rx_dropped_runt;
  286. u32 rx_ip_checksum_errs;
  287. u32 rx_tcp_checksum_errs;
  288. u32 rx_udp_checksum_errs;
  289. u32 tx_pauseframes;
  290. u32 tx_priority_pauseframes;
  291. u32 tx_controlframes;
  292. u32 rxpp_fifo_overflow_drop;
  293. u32 rx_input_fifo_overflow_drop;
  294. u32 pmem_fifo_overflow_drop;
  295. u32 jabber_events;
  296. u32 rx_roce_bytes_lsd;
  297. u32 rx_roce_bytes_msd;
  298. u32 rx_roce_frames;
  299. u32 roce_drops_payload_len;
  300. u32 roce_drops_crc;
  301. };
  302. /* A vlan-id of 0xFFFF must be used to clear transparent vlan-tagging */
  303. #define BE_RESET_VLAN_TAG_ID 0xFFFF
  304. struct be_vf_cfg {
  305. unsigned char mac_addr[ETH_ALEN];
  306. int if_handle;
  307. int pmac_id;
  308. u16 vlan_tag;
  309. u32 tx_rate;
  310. u32 plink_tracking;
  311. u32 privileges;
  312. bool spoofchk;
  313. };
  314. enum vf_state {
  315. ENABLED = 0,
  316. ASSIGNED = 1
  317. };
  318. #define BE_FLAGS_LINK_STATUS_INIT BIT(1)
  319. #define BE_FLAGS_SRIOV_ENABLED BIT(2)
  320. #define BE_FLAGS_WORKER_SCHEDULED BIT(3)
  321. #define BE_FLAGS_NAPI_ENABLED BIT(6)
  322. #define BE_FLAGS_QNQ_ASYNC_EVT_RCVD BIT(7)
  323. #define BE_FLAGS_VXLAN_OFFLOADS BIT(8)
  324. #define BE_FLAGS_SETUP_DONE BIT(9)
  325. #define BE_FLAGS_PHY_MISCONFIGURED BIT(10)
  326. #define BE_FLAGS_ERR_DETECTION_SCHEDULED BIT(11)
  327. #define BE_FLAGS_OS2BMC BIT(12)
  328. #define BE_FLAGS_TRY_RECOVERY BIT(13)
  329. #define BE_UC_PMAC_COUNT 30
  330. #define BE_VF_UC_PMAC_COUNT 2
  331. #define MAX_ERR_RECOVERY_RETRY_COUNT 3
  332. #define ERR_DETECTION_DELAY 1000
  333. /* Ethtool set_dump flags */
  334. #define LANCER_INITIATE_FW_DUMP 0x1
  335. #define LANCER_DELETE_FW_DUMP 0x2
  336. struct phy_info {
  337. /* From SFF-8472 spec */
  338. #define SFP_VENDOR_NAME_LEN 17
  339. u8 transceiver;
  340. u8 autoneg;
  341. u8 fc_autoneg;
  342. u8 port_type;
  343. u16 phy_type;
  344. u16 interface_type;
  345. u32 misc_params;
  346. u16 auto_speeds_supported;
  347. u16 fixed_speeds_supported;
  348. int link_speed;
  349. u32 advertising;
  350. u32 supported;
  351. u8 cable_type;
  352. u8 vendor_name[SFP_VENDOR_NAME_LEN];
  353. u8 vendor_pn[SFP_VENDOR_NAME_LEN];
  354. };
  355. struct be_resources {
  356. u16 max_vfs; /* Total VFs "really" supported by FW/HW */
  357. u16 max_mcast_mac;
  358. u16 max_tx_qs;
  359. u16 max_rss_qs;
  360. u16 max_rx_qs;
  361. u16 max_cq_count;
  362. u16 max_uc_mac; /* Max UC MACs programmable */
  363. u16 max_vlans; /* Number of vlans supported */
  364. u16 max_iface_count;
  365. u16 max_mcc_count;
  366. u16 max_evt_qs;
  367. u16 max_nic_evt_qs; /* NIC's share of evt qs */
  368. u32 if_cap_flags;
  369. u32 vf_if_cap_flags; /* VF if capability flags */
  370. u32 flags;
  371. /* Calculated PF Pool's share of RSS Tables. This is not enforced by
  372. * the FW, but is a self-imposed driver limitation.
  373. */
  374. u16 max_rss_tables;
  375. };
  376. /* These are port-wide values */
  377. struct be_port_resources {
  378. u16 max_vfs;
  379. u16 nic_pfs;
  380. };
  381. #define be_is_os2bmc_enabled(adapter) (adapter->flags & BE_FLAGS_OS2BMC)
  382. struct rss_info {
  383. u8 rsstable[RSS_INDIR_TABLE_LEN];
  384. u8 rss_queue[RSS_INDIR_TABLE_LEN];
  385. u8 rss_hkey[RSS_HASH_KEY_LEN];
  386. u64 rss_flags;
  387. };
  388. #define BE_INVALID_DIE_TEMP 0xFF
  389. struct be_hwmon {
  390. struct device *hwmon_dev;
  391. u8 be_on_die_temp; /* Unit: millidegree Celsius */
  392. };
  393. /* Macros to read/write the 'features' word of be_wrb_params structure.
  394. */
  395. #define BE_WRB_F_BIT(name) BE_WRB_F_##name##_BIT
  396. #define BE_WRB_F_MASK(name) BIT_MASK(BE_WRB_F_##name##_BIT)
  397. #define BE_WRB_F_GET(word, name) \
  398. (((word) & (BE_WRB_F_MASK(name))) >> BE_WRB_F_BIT(name))
  399. #define BE_WRB_F_SET(word, name, val) \
  400. ((word) |= (((val) << BE_WRB_F_BIT(name)) & BE_WRB_F_MASK(name)))
  401. /* Feature/offload bits */
  402. enum {
  403. BE_WRB_F_CRC_BIT, /* Ethernet CRC */
  404. BE_WRB_F_IPCS_BIT, /* IP csum */
  405. BE_WRB_F_TCPCS_BIT, /* TCP csum */
  406. BE_WRB_F_UDPCS_BIT, /* UDP csum */
  407. BE_WRB_F_LSO_BIT, /* LSO */
  408. BE_WRB_F_LSO6_BIT, /* LSO6 */
  409. BE_WRB_F_VLAN_BIT, /* VLAN */
  410. BE_WRB_F_VLAN_SKIP_HW_BIT, /* Skip VLAN tag (workaround) */
  411. BE_WRB_F_OS2BMC_BIT /* Send packet to the management ring */
  412. };
  413. /* The structure below provides a HW-agnostic abstraction of WRB params
  414. * retrieved from a TX skb. This is in turn passed to chip specific routines
  415. * during transmit, to set the corresponding params in the WRB.
  416. */
  417. struct be_wrb_params {
  418. u32 features; /* Feature bits */
  419. u16 vlan_tag; /* VLAN tag */
  420. u16 lso_mss; /* MSS for LSO */
  421. };
  422. struct be_eth_addr {
  423. unsigned char mac[ETH_ALEN];
  424. };
  425. #define BE_SEC 1000 /* in msec */
  426. #define BE_MIN (60 * BE_SEC) /* in msec */
  427. #define BE_HOUR (60 * BE_MIN) /* in msec */
  428. #define ERR_RECOVERY_MAX_RETRY_COUNT 3
  429. #define ERR_RECOVERY_DETECTION_DELAY BE_SEC
  430. #define ERR_RECOVERY_RETRY_DELAY (30 * BE_SEC)
  431. /* UE-detection-duration in BEx/Skyhawk:
  432. * All PFs must wait for this duration after they detect UE before reading
  433. * SLIPORT_SEMAPHORE register. At the end of this duration, the Firmware
  434. * guarantees that the SLIPORT_SEMAPHORE register is updated to indicate
  435. * if the UE is recoverable.
  436. */
  437. #define ERR_RECOVERY_UE_DETECT_DURATION BE_SEC
  438. /* Initial idle time (in msec) to elapse after driver load,
  439. * before UE recovery is allowed.
  440. */
  441. #define ERR_IDLE_HR 24
  442. #define ERR_RECOVERY_IDLE_TIME (ERR_IDLE_HR * BE_HOUR)
  443. /* Time interval (in msec) after which UE recovery can be repeated */
  444. #define ERR_INTERVAL_HR 72
  445. #define ERR_RECOVERY_INTERVAL (ERR_INTERVAL_HR * BE_HOUR)
  446. /* BEx/SH UE recovery state machine */
  447. enum {
  448. ERR_RECOVERY_ST_NONE = 0, /* No Recovery */
  449. ERR_RECOVERY_ST_DETECT = 1, /* UE detection duration */
  450. ERR_RECOVERY_ST_RESET = 2, /* Reset Phase (PF0 only) */
  451. ERR_RECOVERY_ST_PRE_POLL = 3, /* Pre-Poll Phase (all PFs) */
  452. ERR_RECOVERY_ST_REINIT = 4 /* Re-initialize Phase */
  453. };
  454. struct be_error_recovery {
  455. union {
  456. u8 recovery_retries; /* used for Lancer */
  457. u8 recovery_state; /* used for BEx and Skyhawk */
  458. };
  459. /* BEx/Skyhawk error recovery variables */
  460. bool recovery_supported;
  461. u16 ue_to_reset_time; /* Time after UE, to soft reset
  462. * the chip - PF0 only
  463. */
  464. u16 ue_to_poll_time; /* Time after UE, to Restart Polling
  465. * of SLIPORT_SEMAPHORE reg
  466. */
  467. u16 last_err_code;
  468. unsigned long probe_time;
  469. unsigned long last_recovery_time;
  470. /* Common to both Lancer & BEx/SH error recovery */
  471. u32 resched_delay;
  472. struct delayed_work err_detection_work;
  473. };
  474. /* Ethtool priv_flags */
  475. #define BE_DISABLE_TPE_RECOVERY 0x1
  476. struct be_vxlan_port {
  477. struct list_head list;
  478. __be16 port; /* VxLAN UDP dst port */
  479. int port_aliases; /* alias count */
  480. };
  481. struct be_adapter {
  482. struct pci_dev *pdev;
  483. struct net_device *netdev;
  484. u8 __iomem *csr; /* CSR BAR used only for BE2/3 */
  485. u8 __iomem *db; /* Door Bell */
  486. u8 __iomem *pcicfg; /* On SH,BEx only. Shadow of PCI config space */
  487. struct mutex mbox_lock; /* For serializing mbox cmds to BE card */
  488. struct be_dma_mem mbox_mem;
  489. /* Mbox mem is adjusted to align to 16 bytes. The allocated addr
  490. * is stored for freeing purpose */
  491. struct be_dma_mem mbox_mem_alloced;
  492. struct be_mcc_obj mcc_obj;
  493. struct mutex mcc_lock; /* For serializing mcc cmds to BE card */
  494. spinlock_t mcc_cq_lock;
  495. u16 cfg_num_rx_irqs; /* configured via set-channels */
  496. u16 cfg_num_tx_irqs; /* configured via set-channels */
  497. u16 num_evt_qs;
  498. u16 num_msix_vec;
  499. struct be_eq_obj eq_obj[MAX_EVT_QS];
  500. struct msix_entry msix_entries[MAX_MSIX_VECTORS];
  501. bool isr_registered;
  502. /* TX Rings */
  503. u16 num_tx_qs;
  504. struct be_tx_obj tx_obj[MAX_TX_QS];
  505. /* Rx rings */
  506. u16 num_rx_qs;
  507. u16 num_rss_qs;
  508. u16 need_def_rxq;
  509. struct be_rx_obj rx_obj[MAX_RX_QS];
  510. u32 big_page_size; /* Compounded page size shared by rx wrbs */
  511. struct be_drv_stats drv_stats;
  512. struct be_aic_obj aic_obj[MAX_EVT_QS];
  513. bool aic_enabled;
  514. u8 vlan_prio_bmap; /* Available Priority BitMap */
  515. u16 recommended_prio_bits;/* Recommended Priority bits in vlan tag */
  516. struct be_dma_mem rx_filter; /* Cmd DMA mem for rx-filter */
  517. struct be_dma_mem stats_cmd;
  518. /* Work queue used to perform periodic tasks like getting statistics */
  519. struct delayed_work work;
  520. u16 work_counter;
  521. u8 recovery_retries;
  522. u8 err_flags;
  523. bool pcicfg_mapped; /* pcicfg obtained via pci_iomap() */
  524. u32 flags;
  525. u32 cmd_privileges;
  526. /* Ethtool knobs and info */
  527. char fw_ver[FW_VER_LEN];
  528. char fw_on_flash[FW_VER_LEN];
  529. /* IFACE filtering fields */
  530. int if_handle; /* Used to configure filtering */
  531. u32 if_flags; /* Interface filtering flags */
  532. u32 *pmac_id; /* MAC addr handle used by BE card */
  533. struct be_eth_addr *uc_list;/* list of uc-addrs programmed (not perm) */
  534. u32 uc_macs; /* Count of secondary UC MAC programmed */
  535. struct be_eth_addr *mc_list;/* list of mcast addrs programmed */
  536. u32 mc_count;
  537. unsigned long vids[BITS_TO_LONGS(VLAN_N_VID)];
  538. u16 vlans_added;
  539. bool update_uc_list;
  540. bool update_mc_list;
  541. struct mutex rx_filter_lock;/* For protecting vids[] & mc/uc_list[] */
  542. u32 beacon_state; /* for set_phys_id */
  543. u32 port_num;
  544. char port_name;
  545. u8 mc_type;
  546. u32 function_mode;
  547. u32 function_caps;
  548. u32 rx_fc; /* Rx flow control */
  549. u32 tx_fc; /* Tx flow control */
  550. bool stats_cmd_sent;
  551. struct {
  552. u32 size;
  553. u32 total_size;
  554. u64 io_addr;
  555. } roce_db;
  556. u32 num_msix_roce_vec;
  557. struct ocrdma_dev *ocrdma_dev;
  558. struct list_head entry;
  559. u32 flash_status;
  560. struct completion et_cmd_compl;
  561. struct be_resources pool_res; /* resources available for the port */
  562. struct be_resources res; /* resources available for the func */
  563. u16 num_vfs; /* Number of VFs provisioned by PF */
  564. u8 pf_num; /* Numbering used by FW, starts at 0 */
  565. u8 vf_num; /* Numbering used by FW, starts at 1 */
  566. u8 virtfn;
  567. struct be_vf_cfg *vf_cfg;
  568. bool be3_native;
  569. u32 sli_family;
  570. u8 hba_port_num;
  571. u16 pvid;
  572. __be16 vxlan_port; /* offloaded vxlan port num */
  573. int vxlan_port_count; /* active vxlan port count */
  574. struct list_head vxlan_port_list; /* vxlan port list */
  575. struct phy_info phy;
  576. u8 wol_cap;
  577. bool wol_en;
  578. u16 asic_rev;
  579. u16 qnq_vid;
  580. u32 msg_enable;
  581. int be_get_temp_freq;
  582. struct be_hwmon hwmon_info;
  583. struct rss_info rss_info;
  584. /* Filters for packets that need to be sent to BMC */
  585. u32 bmc_filt_mask;
  586. u32 fat_dump_len;
  587. u16 serial_num[CNTL_SERIAL_NUM_WORDS];
  588. u8 phy_state; /* state of sfp optics (functional, faulted, etc.,) */
  589. u8 dev_mac[ETH_ALEN];
  590. u32 priv_flags; /* ethtool get/set_priv_flags() */
  591. struct be_error_recovery error_recovery;
  592. };
  593. /* Used for defered FW config cmds. Add fields to this struct as reqd */
  594. struct be_cmd_work {
  595. struct work_struct work;
  596. struct be_adapter *adapter;
  597. union {
  598. __be16 vxlan_port;
  599. } info;
  600. };
  601. #define be_physfn(adapter) (!adapter->virtfn)
  602. #define be_virtfn(adapter) (adapter->virtfn)
  603. #define sriov_enabled(adapter) (adapter->flags & \
  604. BE_FLAGS_SRIOV_ENABLED)
  605. #define for_all_vfs(adapter, vf_cfg, i) \
  606. for (i = 0, vf_cfg = &adapter->vf_cfg[i]; i < adapter->num_vfs; \
  607. i++, vf_cfg++)
  608. #define ON 1
  609. #define OFF 0
  610. #define be_max_vlans(adapter) (adapter->res.max_vlans)
  611. #define be_max_uc(adapter) (adapter->res.max_uc_mac)
  612. #define be_max_mc(adapter) (adapter->res.max_mcast_mac)
  613. #define be_max_vfs(adapter) (adapter->pool_res.max_vfs)
  614. #define be_max_rss(adapter) (adapter->res.max_rss_qs)
  615. #define be_max_txqs(adapter) (adapter->res.max_tx_qs)
  616. #define be_max_prio_txqs(adapter) (adapter->res.max_prio_tx_qs)
  617. #define be_max_rxqs(adapter) (adapter->res.max_rx_qs)
  618. /* Max number of EQs available for the function (NIC + RoCE (if enabled)) */
  619. #define be_max_func_eqs(adapter) (adapter->res.max_evt_qs)
  620. /* Max number of EQs available avaialble only for NIC */
  621. #define be_max_nic_eqs(adapter) (adapter->res.max_nic_evt_qs)
  622. #define be_if_cap_flags(adapter) (adapter->res.if_cap_flags)
  623. #define be_max_pf_pool_rss_tables(adapter) \
  624. (adapter->pool_res.max_rss_tables)
  625. /* Max irqs avaialble for NIC */
  626. #define be_max_irqs(adapter) \
  627. (min_t(u16, be_max_nic_eqs(adapter), num_online_cpus()))
  628. /* Max irqs *needed* for RX queues */
  629. static inline u16 be_max_rx_irqs(struct be_adapter *adapter)
  630. {
  631. /* If no RSS, need atleast one irq for def-RXQ */
  632. u16 num = max_t(u16, be_max_rss(adapter), 1);
  633. return min_t(u16, num, be_max_irqs(adapter));
  634. }
  635. /* Max irqs *needed* for TX queues */
  636. static inline u16 be_max_tx_irqs(struct be_adapter *adapter)
  637. {
  638. return min_t(u16, be_max_txqs(adapter), be_max_irqs(adapter));
  639. }
  640. /* Max irqs *needed* for combined queues */
  641. static inline u16 be_max_qp_irqs(struct be_adapter *adapter)
  642. {
  643. return min(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter));
  644. }
  645. /* Max irqs *needed* for RX and TX queues together */
  646. static inline u16 be_max_any_irqs(struct be_adapter *adapter)
  647. {
  648. return max(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter));
  649. }
  650. /* Is BE in pvid_tagging mode */
  651. #define be_pvid_tagging_enabled(adapter) (adapter->pvid)
  652. /* Is BE in QNQ multi-channel mode */
  653. #define be_is_qnq_mode(adapter) (adapter->function_mode & QNQ_MODE)
  654. #ifdef CONFIG_BE2NET_LANCER
  655. #define lancer_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID3 || \
  656. adapter->pdev->device == OC_DEVICE_ID4)
  657. #else
  658. #define lancer_chip(adapter) (0)
  659. #endif /* CONFIG_BE2NET_LANCER */
  660. #ifdef CONFIG_BE2NET_SKYHAWK
  661. #define skyhawk_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID5 || \
  662. adapter->pdev->device == OC_DEVICE_ID6)
  663. #else
  664. #define skyhawk_chip(adapter) (0)
  665. #endif /* CONFIG_BE2NET_SKYHAWK */
  666. #ifdef CONFIG_BE2NET_BE3
  667. #define BE3_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID2 || \
  668. adapter->pdev->device == OC_DEVICE_ID2)
  669. #else
  670. #define BE3_chip(adapter) (0)
  671. #endif /* CONFIG_BE2NET_BE3 */
  672. #ifdef CONFIG_BE2NET_BE2
  673. #define BE2_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID1 || \
  674. adapter->pdev->device == OC_DEVICE_ID1)
  675. #else
  676. #define BE2_chip(adapter) (0)
  677. #endif /* CONFIG_BE2NET_BE2 */
  678. #define BEx_chip(adapter) (BE3_chip(adapter) || BE2_chip(adapter))
  679. #define be_roce_supported(adapter) (skyhawk_chip(adapter) && \
  680. (adapter->function_mode & RDMA_ENABLED))
  681. extern const struct ethtool_ops be_ethtool_ops;
  682. #define msix_enabled(adapter) (adapter->num_msix_vec > 0)
  683. #define num_irqs(adapter) (msix_enabled(adapter) ? \
  684. adapter->num_msix_vec : 1)
  685. #define tx_stats(txo) (&(txo)->stats)
  686. #define rx_stats(rxo) (&(rxo)->stats)
  687. /* The default RXQ is the last RXQ */
  688. #define default_rxo(adpt) (&adpt->rx_obj[adpt->num_rx_qs - 1])
  689. #define for_all_rx_queues(adapter, rxo, i) \
  690. for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs; \
  691. i++, rxo++)
  692. #define for_all_rss_queues(adapter, rxo, i) \
  693. for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rss_qs; \
  694. i++, rxo++)
  695. #define for_all_tx_queues(adapter, txo, i) \
  696. for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs; \
  697. i++, txo++)
  698. #define for_all_evt_queues(adapter, eqo, i) \
  699. for (i = 0, eqo = &adapter->eq_obj[i]; i < adapter->num_evt_qs; \
  700. i++, eqo++)
  701. #define for_all_rx_queues_on_eq(adapter, eqo, rxo, i) \
  702. for (i = eqo->idx, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs;\
  703. i += adapter->num_evt_qs, rxo += adapter->num_evt_qs)
  704. #define for_all_tx_queues_on_eq(adapter, eqo, txo, i) \
  705. for (i = eqo->idx, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs;\
  706. i += adapter->num_evt_qs, txo += adapter->num_evt_qs)
  707. #define is_mcc_eqo(eqo) (eqo->idx == 0)
  708. #define mcc_eqo(adapter) (&adapter->eq_obj[0])
  709. #define PAGE_SHIFT_4K 12
  710. #define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K)
  711. /* Returns number of pages spanned by the data starting at the given addr */
  712. #define PAGES_4K_SPANNED(_address, size) \
  713. ((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \
  714. (size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K))
  715. /* Returns bit offset within a DWORD of a bitfield */
  716. #define AMAP_BIT_OFFSET(_struct, field) \
  717. (((size_t)&(((_struct *)0)->field))%32)
  718. /* Returns the bit mask of the field that is NOT shifted into location. */
  719. static inline u32 amap_mask(u32 bitsize)
  720. {
  721. return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1);
  722. }
  723. static inline void
  724. amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value)
  725. {
  726. u32 *dw = (u32 *) ptr + dw_offset;
  727. *dw &= ~(mask << offset);
  728. *dw |= (mask & value) << offset;
  729. }
  730. #define AMAP_SET_BITS(_struct, field, ptr, val) \
  731. amap_set(ptr, \
  732. offsetof(_struct, field)/32, \
  733. amap_mask(sizeof(((_struct *)0)->field)), \
  734. AMAP_BIT_OFFSET(_struct, field), \
  735. val)
  736. static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset)
  737. {
  738. u32 *dw = (u32 *) ptr;
  739. return mask & (*(dw + dw_offset) >> offset);
  740. }
  741. #define AMAP_GET_BITS(_struct, field, ptr) \
  742. amap_get(ptr, \
  743. offsetof(_struct, field)/32, \
  744. amap_mask(sizeof(((_struct *)0)->field)), \
  745. AMAP_BIT_OFFSET(_struct, field))
  746. #define GET_RX_COMPL_V0_BITS(field, ptr) \
  747. AMAP_GET_BITS(struct amap_eth_rx_compl_v0, field, ptr)
  748. #define GET_RX_COMPL_V1_BITS(field, ptr) \
  749. AMAP_GET_BITS(struct amap_eth_rx_compl_v1, field, ptr)
  750. #define GET_TX_COMPL_BITS(field, ptr) \
  751. AMAP_GET_BITS(struct amap_eth_tx_compl, field, ptr)
  752. #define SET_TX_WRB_HDR_BITS(field, ptr, val) \
  753. AMAP_SET_BITS(struct amap_eth_hdr_wrb, field, ptr, val)
  754. #define be_dws_cpu_to_le(wrb, len) swap_dws(wrb, len)
  755. #define be_dws_le_to_cpu(wrb, len) swap_dws(wrb, len)
  756. static inline void swap_dws(void *wrb, int len)
  757. {
  758. #ifdef __BIG_ENDIAN
  759. u32 *dw = wrb;
  760. BUG_ON(len % 4);
  761. do {
  762. *dw = cpu_to_le32(*dw);
  763. dw++;
  764. len -= 4;
  765. } while (len);
  766. #endif /* __BIG_ENDIAN */
  767. }
  768. #define be_cmd_status(status) (status > 0 ? -EIO : status)
  769. static inline u8 is_tcp_pkt(struct sk_buff *skb)
  770. {
  771. u8 val = 0;
  772. if (ip_hdr(skb)->version == 4)
  773. val = (ip_hdr(skb)->protocol == IPPROTO_TCP);
  774. else if (ip_hdr(skb)->version == 6)
  775. val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP);
  776. return val;
  777. }
  778. static inline u8 is_udp_pkt(struct sk_buff *skb)
  779. {
  780. u8 val = 0;
  781. if (ip_hdr(skb)->version == 4)
  782. val = (ip_hdr(skb)->protocol == IPPROTO_UDP);
  783. else if (ip_hdr(skb)->version == 6)
  784. val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP);
  785. return val;
  786. }
  787. static inline bool is_ipv4_pkt(struct sk_buff *skb)
  788. {
  789. return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4;
  790. }
  791. static inline bool is_ipv6_ext_hdr(struct sk_buff *skb)
  792. {
  793. if (ip_hdr(skb)->version == 6)
  794. return ipv6_ext_hdr(ipv6_hdr(skb)->nexthdr);
  795. else
  796. return false;
  797. }
  798. #define be_error_recovering(adapter) \
  799. (adapter->flags & BE_FLAGS_TRY_RECOVERY)
  800. #define BE_ERROR_EEH 1
  801. #define BE_ERROR_UE BIT(1)
  802. #define BE_ERROR_FW BIT(2)
  803. #define BE_ERROR_TX BIT(3)
  804. #define BE_ERROR_HW (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_TX)
  805. #define BE_ERROR_ANY (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_FW | \
  806. BE_ERROR_TX)
  807. #define BE_CLEAR_ALL 0xFF
  808. static inline u8 be_check_error(struct be_adapter *adapter, u32 err_type)
  809. {
  810. return (adapter->err_flags & err_type);
  811. }
  812. static inline void be_set_error(struct be_adapter *adapter, int err_type)
  813. {
  814. struct net_device *netdev = adapter->netdev;
  815. adapter->err_flags |= err_type;
  816. netif_carrier_off(netdev);
  817. dev_info(&adapter->pdev->dev, "%s: Link down\n", netdev->name);
  818. }
  819. static inline void be_clear_error(struct be_adapter *adapter, int err_type)
  820. {
  821. adapter->err_flags &= ~err_type;
  822. }
  823. static inline bool be_multi_rxq(const struct be_adapter *adapter)
  824. {
  825. return adapter->num_rx_qs > 1;
  826. }
  827. void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm,
  828. u16 num_popped);
  829. void be_link_status_update(struct be_adapter *adapter, u8 link_status);
  830. void be_parse_stats(struct be_adapter *adapter);
  831. int be_load_fw(struct be_adapter *adapter, u8 *func);
  832. bool be_is_wol_supported(struct be_adapter *adapter);
  833. bool be_pause_supported(struct be_adapter *adapter);
  834. u32 be_get_fw_log_level(struct be_adapter *adapter);
  835. int be_update_queues(struct be_adapter *adapter);
  836. int be_poll(struct napi_struct *napi, int budget);
  837. void be_eqd_update(struct be_adapter *adapter, bool force_update);
  838. /*
  839. * internal function to initialize-cleanup roce device.
  840. */
  841. void be_roce_dev_add(struct be_adapter *);
  842. void be_roce_dev_remove(struct be_adapter *);
  843. /*
  844. * internal function to open-close roce device during ifup-ifdown.
  845. */
  846. void be_roce_dev_shutdown(struct be_adapter *);
  847. #endif /* BE_H */