be.h 18 KB

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  1. /*
  2. * Copyright (C) 2005 - 2013 Emulex
  3. * All rights reserved.
  4. *
  5. * This program is free software; you can redistribute it and/or
  6. * modify it under the terms of the GNU General Public License version 2
  7. * as published by the Free Software Foundation. The full GNU General
  8. * Public License is included in this distribution in the file called COPYING.
  9. *
  10. * Contact Information:
  11. * linux-drivers@emulex.com
  12. *
  13. * Emulex
  14. * 3333 Susan Street
  15. * Costa Mesa, CA 92626
  16. */
  17. #ifndef BE_H
  18. #define BE_H
  19. #include <linux/pci.h>
  20. #include <linux/etherdevice.h>
  21. #include <linux/delay.h>
  22. #include <net/tcp.h>
  23. #include <net/ip.h>
  24. #include <net/ipv6.h>
  25. #include <linux/if_vlan.h>
  26. #include <linux/workqueue.h>
  27. #include <linux/interrupt.h>
  28. #include <linux/firmware.h>
  29. #include <linux/slab.h>
  30. #include <linux/u64_stats_sync.h>
  31. #include "be_hw.h"
  32. #include "be_roce.h"
  33. #define DRV_VER "4.9.134.0u"
  34. #define DRV_NAME "be2net"
  35. #define BE_NAME "Emulex BladeEngine2"
  36. #define BE3_NAME "Emulex BladeEngine3"
  37. #define OC_NAME "Emulex OneConnect"
  38. #define OC_NAME_BE OC_NAME "(be3)"
  39. #define OC_NAME_LANCER OC_NAME "(Lancer)"
  40. #define OC_NAME_SH OC_NAME "(Skyhawk)"
  41. #define DRV_DESC "Emulex OneConnect 10Gbps NIC Driver"
  42. #define BE_VENDOR_ID 0x19a2
  43. #define EMULEX_VENDOR_ID 0x10df
  44. #define BE_DEVICE_ID1 0x211
  45. #define BE_DEVICE_ID2 0x221
  46. #define OC_DEVICE_ID1 0x700 /* Device Id for BE2 cards */
  47. #define OC_DEVICE_ID2 0x710 /* Device Id for BE3 cards */
  48. #define OC_DEVICE_ID3 0xe220 /* Device id for Lancer cards */
  49. #define OC_DEVICE_ID4 0xe228 /* Device id for VF in Lancer */
  50. #define OC_DEVICE_ID5 0x720 /* Device Id for Skyhawk cards */
  51. #define OC_DEVICE_ID6 0x728 /* Device id for VF in SkyHawk */
  52. #define OC_SUBSYS_DEVICE_ID1 0xE602
  53. #define OC_SUBSYS_DEVICE_ID2 0xE642
  54. #define OC_SUBSYS_DEVICE_ID3 0xE612
  55. #define OC_SUBSYS_DEVICE_ID4 0xE652
  56. static inline char *nic_name(struct pci_dev *pdev)
  57. {
  58. switch (pdev->device) {
  59. case OC_DEVICE_ID1:
  60. return OC_NAME;
  61. case OC_DEVICE_ID2:
  62. return OC_NAME_BE;
  63. case OC_DEVICE_ID3:
  64. case OC_DEVICE_ID4:
  65. return OC_NAME_LANCER;
  66. case BE_DEVICE_ID2:
  67. return BE3_NAME;
  68. case OC_DEVICE_ID5:
  69. case OC_DEVICE_ID6:
  70. return OC_NAME_SH;
  71. default:
  72. return BE_NAME;
  73. }
  74. }
  75. /* Number of bytes of an RX frame that are copied to skb->data */
  76. #define BE_HDR_LEN ((u16) 64)
  77. /* allocate extra space to allow tunneling decapsulation without head reallocation */
  78. #define BE_RX_SKB_ALLOC_SIZE (BE_HDR_LEN + 64)
  79. #define BE_MAX_JUMBO_FRAME_SIZE 9018
  80. #define BE_MIN_MTU 256
  81. #define BE_NUM_VLANS_SUPPORTED 64
  82. #define BE_UMC_NUM_VLANS_SUPPORTED 15
  83. #define BE_MAX_EQD 96u
  84. #define BE_MAX_TX_FRAG_COUNT 30
  85. #define EVNT_Q_LEN 1024
  86. #define TX_Q_LEN 2048
  87. #define TX_CQ_LEN 1024
  88. #define RX_Q_LEN 1024 /* Does not support any other value */
  89. #define RX_CQ_LEN 1024
  90. #define MCC_Q_LEN 128 /* total size not to exceed 8 pages */
  91. #define MCC_CQ_LEN 256
  92. #define BE2_MAX_RSS_QS 4
  93. #define BE3_MAX_RSS_QS 16
  94. #define BE3_MAX_TX_QS 16
  95. #define BE3_MAX_EVT_QS 16
  96. #define MAX_RX_QS 32
  97. #define MAX_EVT_QS 32
  98. #define MAX_TX_QS 32
  99. #define MAX_ROCE_EQS 5
  100. #define MAX_MSIX_VECTORS 32
  101. #define MIN_MSIX_VECTORS 1
  102. #define BE_TX_BUDGET 256
  103. #define BE_NAPI_WEIGHT 64
  104. #define MAX_RX_POST BE_NAPI_WEIGHT /* Frags posted at a time */
  105. #define RX_FRAGS_REFILL_WM (RX_Q_LEN - MAX_RX_POST)
  106. #define MAX_VFS 30 /* Max VFs supported by BE3 FW */
  107. #define FW_VER_LEN 32
  108. struct be_dma_mem {
  109. void *va;
  110. dma_addr_t dma;
  111. u32 size;
  112. };
  113. struct be_queue_info {
  114. struct be_dma_mem dma_mem;
  115. u16 len;
  116. u16 entry_size; /* Size of an element in the queue */
  117. u16 id;
  118. u16 tail, head;
  119. bool created;
  120. atomic_t used; /* Number of valid elements in the queue */
  121. };
  122. static inline u32 MODULO(u16 val, u16 limit)
  123. {
  124. BUG_ON(limit & (limit - 1));
  125. return val & (limit - 1);
  126. }
  127. static inline void index_adv(u16 *index, u16 val, u16 limit)
  128. {
  129. *index = MODULO((*index + val), limit);
  130. }
  131. static inline void index_inc(u16 *index, u16 limit)
  132. {
  133. *index = MODULO((*index + 1), limit);
  134. }
  135. static inline void *queue_head_node(struct be_queue_info *q)
  136. {
  137. return q->dma_mem.va + q->head * q->entry_size;
  138. }
  139. static inline void *queue_tail_node(struct be_queue_info *q)
  140. {
  141. return q->dma_mem.va + q->tail * q->entry_size;
  142. }
  143. static inline void *queue_index_node(struct be_queue_info *q, u16 index)
  144. {
  145. return q->dma_mem.va + index * q->entry_size;
  146. }
  147. static inline void queue_head_inc(struct be_queue_info *q)
  148. {
  149. index_inc(&q->head, q->len);
  150. }
  151. static inline void index_dec(u16 *index, u16 limit)
  152. {
  153. *index = MODULO((*index - 1), limit);
  154. }
  155. static inline void queue_tail_inc(struct be_queue_info *q)
  156. {
  157. index_inc(&q->tail, q->len);
  158. }
  159. struct be_eq_obj {
  160. struct be_queue_info q;
  161. char desc[32];
  162. /* Adaptive interrupt coalescing (AIC) info */
  163. bool enable_aic;
  164. u32 min_eqd; /* in usecs */
  165. u32 max_eqd; /* in usecs */
  166. u32 eqd; /* configured val when aic is off */
  167. u32 cur_eqd; /* in usecs */
  168. u8 idx; /* array index */
  169. u8 msix_idx;
  170. u16 tx_budget;
  171. u16 spurious_intr;
  172. struct napi_struct napi;
  173. struct be_adapter *adapter;
  174. } ____cacheline_aligned_in_smp;
  175. struct be_mcc_obj {
  176. struct be_queue_info q;
  177. struct be_queue_info cq;
  178. bool rearm_cq;
  179. };
  180. struct be_tx_stats {
  181. u64 tx_bytes;
  182. u64 tx_pkts;
  183. u64 tx_reqs;
  184. u64 tx_wrbs;
  185. u64 tx_compl;
  186. ulong tx_jiffies;
  187. u32 tx_stops;
  188. struct u64_stats_sync sync;
  189. struct u64_stats_sync sync_compl;
  190. };
  191. struct be_tx_obj {
  192. u32 db_offset;
  193. struct be_queue_info q;
  194. struct be_queue_info cq;
  195. /* Remember the skbs that were transmitted */
  196. struct sk_buff *sent_skb_list[TX_Q_LEN];
  197. struct be_tx_stats stats;
  198. } ____cacheline_aligned_in_smp;
  199. /* Struct to remember the pages posted for rx frags */
  200. struct be_rx_page_info {
  201. struct page *page;
  202. DEFINE_DMA_UNMAP_ADDR(bus);
  203. u16 page_offset;
  204. bool last_page_user;
  205. };
  206. struct be_rx_stats {
  207. u64 rx_bytes;
  208. u64 rx_pkts;
  209. u64 rx_pkts_prev;
  210. ulong rx_jiffies;
  211. u32 rx_drops_no_skbs; /* skb allocation errors */
  212. u32 rx_drops_no_frags; /* HW has no fetched frags */
  213. u32 rx_post_fail; /* page post alloc failures */
  214. u32 rx_compl;
  215. u32 rx_mcast_pkts;
  216. u32 rx_compl_err; /* completions with err set */
  217. u32 rx_pps; /* pkts per second */
  218. struct u64_stats_sync sync;
  219. };
  220. struct be_rx_compl_info {
  221. u32 rss_hash;
  222. u16 vlan_tag;
  223. u16 pkt_size;
  224. u16 rxq_idx;
  225. u16 port;
  226. u8 vlanf;
  227. u8 num_rcvd;
  228. u8 err;
  229. u8 ipf;
  230. u8 tcpf;
  231. u8 udpf;
  232. u8 ip_csum;
  233. u8 l4_csum;
  234. u8 ipv6;
  235. u8 vtm;
  236. u8 pkt_type;
  237. u8 ip_frag;
  238. };
  239. struct be_rx_obj {
  240. struct be_adapter *adapter;
  241. struct be_queue_info q;
  242. struct be_queue_info cq;
  243. struct be_rx_compl_info rxcp;
  244. struct be_rx_page_info page_info_tbl[RX_Q_LEN];
  245. struct be_rx_stats stats;
  246. u8 rss_id;
  247. bool rx_post_starved; /* Zero rx frags have been posted to BE */
  248. } ____cacheline_aligned_in_smp;
  249. struct be_drv_stats {
  250. u32 be_on_die_temperature;
  251. u32 eth_red_drops;
  252. u32 rx_drops_no_pbuf;
  253. u32 rx_drops_no_txpb;
  254. u32 rx_drops_no_erx_descr;
  255. u32 rx_drops_no_tpre_descr;
  256. u32 rx_drops_too_many_frags;
  257. u32 forwarded_packets;
  258. u32 rx_drops_mtu;
  259. u32 rx_crc_errors;
  260. u32 rx_alignment_symbol_errors;
  261. u32 rx_pause_frames;
  262. u32 rx_priority_pause_frames;
  263. u32 rx_control_frames;
  264. u32 rx_in_range_errors;
  265. u32 rx_out_range_errors;
  266. u32 rx_frame_too_long;
  267. u32 rx_address_filtered;
  268. u32 rx_dropped_too_small;
  269. u32 rx_dropped_too_short;
  270. u32 rx_dropped_header_too_small;
  271. u32 rx_dropped_tcp_length;
  272. u32 rx_dropped_runt;
  273. u32 rx_ip_checksum_errs;
  274. u32 rx_tcp_checksum_errs;
  275. u32 rx_udp_checksum_errs;
  276. u32 tx_pauseframes;
  277. u32 tx_priority_pauseframes;
  278. u32 tx_controlframes;
  279. u32 rxpp_fifo_overflow_drop;
  280. u32 rx_input_fifo_overflow_drop;
  281. u32 pmem_fifo_overflow_drop;
  282. u32 jabber_events;
  283. };
  284. struct be_vf_cfg {
  285. unsigned char mac_addr[ETH_ALEN];
  286. int if_handle;
  287. int pmac_id;
  288. u16 def_vid;
  289. u16 vlan_tag;
  290. u32 tx_rate;
  291. };
  292. enum vf_state {
  293. ENABLED = 0,
  294. ASSIGNED = 1
  295. };
  296. #define BE_FLAGS_LINK_STATUS_INIT 1
  297. #define BE_FLAGS_WORKER_SCHEDULED (1 << 3)
  298. #define BE_FLAGS_VLAN_PROMISC (1 << 4)
  299. #define BE_FLAGS_NAPI_ENABLED (1 << 9)
  300. #define BE_UC_PMAC_COUNT 30
  301. #define BE_VF_UC_PMAC_COUNT 2
  302. #define BE_FLAGS_QNQ_ASYNC_EVT_RCVD (1 << 11)
  303. /* Ethtool set_dump flags */
  304. #define LANCER_INITIATE_FW_DUMP 0x1
  305. struct phy_info {
  306. u8 transceiver;
  307. u8 autoneg;
  308. u8 fc_autoneg;
  309. u8 port_type;
  310. u16 phy_type;
  311. u16 interface_type;
  312. u32 misc_params;
  313. u16 auto_speeds_supported;
  314. u16 fixed_speeds_supported;
  315. int link_speed;
  316. u32 dac_cable_len;
  317. u32 advertising;
  318. u32 supported;
  319. };
  320. struct be_resources {
  321. u16 max_vfs; /* Total VFs "really" supported by FW/HW */
  322. u16 max_mcast_mac;
  323. u16 max_tx_qs;
  324. u16 max_rss_qs;
  325. u16 max_rx_qs;
  326. u16 max_uc_mac; /* Max UC MACs programmable */
  327. u16 max_vlans; /* Number of vlans supported */
  328. u16 max_evt_qs;
  329. u32 if_cap_flags;
  330. };
  331. struct be_adapter {
  332. struct pci_dev *pdev;
  333. struct net_device *netdev;
  334. u8 __iomem *csr; /* CSR BAR used only for BE2/3 */
  335. u8 __iomem *db; /* Door Bell */
  336. struct mutex mbox_lock; /* For serializing mbox cmds to BE card */
  337. struct be_dma_mem mbox_mem;
  338. /* Mbox mem is adjusted to align to 16 bytes. The allocated addr
  339. * is stored for freeing purpose */
  340. struct be_dma_mem mbox_mem_alloced;
  341. struct be_mcc_obj mcc_obj;
  342. spinlock_t mcc_lock; /* For serializing mcc cmds to BE card */
  343. spinlock_t mcc_cq_lock;
  344. u16 cfg_num_qs; /* configured via set-channels */
  345. u16 num_evt_qs;
  346. u16 num_msix_vec;
  347. struct be_eq_obj eq_obj[MAX_EVT_QS];
  348. struct msix_entry msix_entries[MAX_MSIX_VECTORS];
  349. bool isr_registered;
  350. /* TX Rings */
  351. u16 num_tx_qs;
  352. struct be_tx_obj tx_obj[MAX_TX_QS];
  353. /* Rx rings */
  354. u16 num_rx_qs;
  355. struct be_rx_obj rx_obj[MAX_RX_QS];
  356. u32 big_page_size; /* Compounded page size shared by rx wrbs */
  357. struct be_drv_stats drv_stats;
  358. u16 vlans_added;
  359. u8 vlan_tag[VLAN_N_VID];
  360. u8 vlan_prio_bmap; /* Available Priority BitMap */
  361. u16 recommended_prio; /* Recommended Priority */
  362. struct be_dma_mem rx_filter; /* Cmd DMA mem for rx-filter */
  363. struct be_dma_mem stats_cmd;
  364. /* Work queue used to perform periodic tasks like getting statistics */
  365. struct delayed_work work;
  366. u16 work_counter;
  367. struct delayed_work func_recovery_work;
  368. u32 flags;
  369. u32 cmd_privileges;
  370. /* Ethtool knobs and info */
  371. char fw_ver[FW_VER_LEN];
  372. char fw_on_flash[FW_VER_LEN];
  373. int if_handle; /* Used to configure filtering */
  374. u32 *pmac_id; /* MAC addr handle used by BE card */
  375. u32 beacon_state; /* for set_phys_id */
  376. bool eeh_error;
  377. bool fw_timeout;
  378. bool hw_error;
  379. u32 port_num;
  380. bool promiscuous;
  381. u32 function_mode;
  382. u32 function_caps;
  383. u32 rx_fc; /* Rx flow control */
  384. u32 tx_fc; /* Tx flow control */
  385. bool stats_cmd_sent;
  386. u32 if_type;
  387. struct {
  388. u32 size;
  389. u32 total_size;
  390. u64 io_addr;
  391. } roce_db;
  392. u32 num_msix_roce_vec;
  393. struct ocrdma_dev *ocrdma_dev;
  394. struct list_head entry;
  395. u32 flash_status;
  396. struct completion flash_compl;
  397. struct be_resources res; /* resources available for the func */
  398. u16 num_vfs; /* Number of VFs provisioned by PF */
  399. u8 virtfn;
  400. struct be_vf_cfg *vf_cfg;
  401. bool be3_native;
  402. u32 sli_family;
  403. u8 hba_port_num;
  404. u16 pvid;
  405. struct phy_info phy;
  406. u8 wol_cap;
  407. bool wol;
  408. u32 uc_macs; /* Count of secondary UC MAC programmed */
  409. u16 asic_rev;
  410. u16 qnq_vid;
  411. u32 msg_enable;
  412. int be_get_temp_freq;
  413. u8 pf_number;
  414. u64 rss_flags;
  415. };
  416. #define be_physfn(adapter) (!adapter->virtfn)
  417. #define sriov_enabled(adapter) (adapter->num_vfs > 0)
  418. #define sriov_want(adapter) (be_max_vfs(adapter) && num_vfs && \
  419. be_physfn(adapter))
  420. #define for_all_vfs(adapter, vf_cfg, i) \
  421. for (i = 0, vf_cfg = &adapter->vf_cfg[i]; i < adapter->num_vfs; \
  422. i++, vf_cfg++)
  423. #define ON 1
  424. #define OFF 0
  425. #define be_max_vlans(adapter) (adapter->res.max_vlans)
  426. #define be_max_uc(adapter) (adapter->res.max_uc_mac)
  427. #define be_max_mc(adapter) (adapter->res.max_mcast_mac)
  428. #define be_max_vfs(adapter) (adapter->res.max_vfs)
  429. #define be_max_rss(adapter) (adapter->res.max_rss_qs)
  430. #define be_max_txqs(adapter) (adapter->res.max_tx_qs)
  431. #define be_max_prio_txqs(adapter) (adapter->res.max_prio_tx_qs)
  432. #define be_max_rxqs(adapter) (adapter->res.max_rx_qs)
  433. #define be_max_eqs(adapter) (adapter->res.max_evt_qs)
  434. #define be_if_cap_flags(adapter) (adapter->res.if_cap_flags)
  435. static inline u16 be_max_qs(struct be_adapter *adapter)
  436. {
  437. /* If no RSS, need atleast the one def RXQ */
  438. u16 num = max_t(u16, be_max_rss(adapter), 1);
  439. num = min(num, be_max_eqs(adapter));
  440. return min_t(u16, num, num_online_cpus());
  441. }
  442. #define lancer_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID3 || \
  443. adapter->pdev->device == OC_DEVICE_ID4)
  444. #define skyhawk_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID5 || \
  445. adapter->pdev->device == OC_DEVICE_ID6)
  446. #define BE3_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID2 || \
  447. adapter->pdev->device == OC_DEVICE_ID2)
  448. #define BE2_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID1 || \
  449. adapter->pdev->device == OC_DEVICE_ID1)
  450. #define BEx_chip(adapter) (BE3_chip(adapter) || BE2_chip(adapter))
  451. #define be_roce_supported(adapter) (skyhawk_chip(adapter) && \
  452. (adapter->function_mode & RDMA_ENABLED))
  453. extern const struct ethtool_ops be_ethtool_ops;
  454. #define msix_enabled(adapter) (adapter->num_msix_vec > 0)
  455. #define num_irqs(adapter) (msix_enabled(adapter) ? \
  456. adapter->num_msix_vec : 1)
  457. #define tx_stats(txo) (&(txo)->stats)
  458. #define rx_stats(rxo) (&(rxo)->stats)
  459. /* The default RXQ is the last RXQ */
  460. #define default_rxo(adpt) (&adpt->rx_obj[adpt->num_rx_qs - 1])
  461. #define for_all_rx_queues(adapter, rxo, i) \
  462. for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs; \
  463. i++, rxo++)
  464. /* Skip the default non-rss queue (last one)*/
  465. #define for_all_rss_queues(adapter, rxo, i) \
  466. for (i = 0, rxo = &adapter->rx_obj[i]; i < (adapter->num_rx_qs - 1);\
  467. i++, rxo++)
  468. #define for_all_tx_queues(adapter, txo, i) \
  469. for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs; \
  470. i++, txo++)
  471. #define for_all_evt_queues(adapter, eqo, i) \
  472. for (i = 0, eqo = &adapter->eq_obj[i]; i < adapter->num_evt_qs; \
  473. i++, eqo++)
  474. #define is_mcc_eqo(eqo) (eqo->idx == 0)
  475. #define mcc_eqo(adapter) (&adapter->eq_obj[0])
  476. #define PAGE_SHIFT_4K 12
  477. #define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K)
  478. /* Returns number of pages spanned by the data starting at the given addr */
  479. #define PAGES_4K_SPANNED(_address, size) \
  480. ((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \
  481. (size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K))
  482. /* Returns bit offset within a DWORD of a bitfield */
  483. #define AMAP_BIT_OFFSET(_struct, field) \
  484. (((size_t)&(((_struct *)0)->field))%32)
  485. /* Returns the bit mask of the field that is NOT shifted into location. */
  486. static inline u32 amap_mask(u32 bitsize)
  487. {
  488. return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1);
  489. }
  490. static inline void
  491. amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value)
  492. {
  493. u32 *dw = (u32 *) ptr + dw_offset;
  494. *dw &= ~(mask << offset);
  495. *dw |= (mask & value) << offset;
  496. }
  497. #define AMAP_SET_BITS(_struct, field, ptr, val) \
  498. amap_set(ptr, \
  499. offsetof(_struct, field)/32, \
  500. amap_mask(sizeof(((_struct *)0)->field)), \
  501. AMAP_BIT_OFFSET(_struct, field), \
  502. val)
  503. static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset)
  504. {
  505. u32 *dw = (u32 *) ptr;
  506. return mask & (*(dw + dw_offset) >> offset);
  507. }
  508. #define AMAP_GET_BITS(_struct, field, ptr) \
  509. amap_get(ptr, \
  510. offsetof(_struct, field)/32, \
  511. amap_mask(sizeof(((_struct *)0)->field)), \
  512. AMAP_BIT_OFFSET(_struct, field))
  513. #define be_dws_cpu_to_le(wrb, len) swap_dws(wrb, len)
  514. #define be_dws_le_to_cpu(wrb, len) swap_dws(wrb, len)
  515. static inline void swap_dws(void *wrb, int len)
  516. {
  517. #ifdef __BIG_ENDIAN
  518. u32 *dw = wrb;
  519. BUG_ON(len % 4);
  520. do {
  521. *dw = cpu_to_le32(*dw);
  522. dw++;
  523. len -= 4;
  524. } while (len);
  525. #endif /* __BIG_ENDIAN */
  526. }
  527. static inline u8 is_tcp_pkt(struct sk_buff *skb)
  528. {
  529. u8 val = 0;
  530. if (ip_hdr(skb)->version == 4)
  531. val = (ip_hdr(skb)->protocol == IPPROTO_TCP);
  532. else if (ip_hdr(skb)->version == 6)
  533. val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP);
  534. return val;
  535. }
  536. static inline u8 is_udp_pkt(struct sk_buff *skb)
  537. {
  538. u8 val = 0;
  539. if (ip_hdr(skb)->version == 4)
  540. val = (ip_hdr(skb)->protocol == IPPROTO_UDP);
  541. else if (ip_hdr(skb)->version == 6)
  542. val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP);
  543. return val;
  544. }
  545. static inline bool is_ipv4_pkt(struct sk_buff *skb)
  546. {
  547. return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4;
  548. }
  549. static inline void be_vf_eth_addr_generate(struct be_adapter *adapter, u8 *mac)
  550. {
  551. u32 addr;
  552. addr = jhash(adapter->netdev->dev_addr, ETH_ALEN, 0);
  553. mac[5] = (u8)(addr & 0xFF);
  554. mac[4] = (u8)((addr >> 8) & 0xFF);
  555. mac[3] = (u8)((addr >> 16) & 0xFF);
  556. /* Use the OUI from the current MAC address */
  557. memcpy(mac, adapter->netdev->dev_addr, 3);
  558. }
  559. static inline bool be_multi_rxq(const struct be_adapter *adapter)
  560. {
  561. return adapter->num_rx_qs > 1;
  562. }
  563. static inline bool be_error(struct be_adapter *adapter)
  564. {
  565. return adapter->eeh_error || adapter->hw_error || adapter->fw_timeout;
  566. }
  567. static inline bool be_hw_error(struct be_adapter *adapter)
  568. {
  569. return adapter->eeh_error || adapter->hw_error;
  570. }
  571. static inline void be_clear_all_error(struct be_adapter *adapter)
  572. {
  573. adapter->eeh_error = false;
  574. adapter->hw_error = false;
  575. adapter->fw_timeout = false;
  576. }
  577. static inline bool be_is_wol_excluded(struct be_adapter *adapter)
  578. {
  579. struct pci_dev *pdev = adapter->pdev;
  580. if (!be_physfn(adapter))
  581. return true;
  582. switch (pdev->subsystem_device) {
  583. case OC_SUBSYS_DEVICE_ID1:
  584. case OC_SUBSYS_DEVICE_ID2:
  585. case OC_SUBSYS_DEVICE_ID3:
  586. case OC_SUBSYS_DEVICE_ID4:
  587. return true;
  588. default:
  589. return false;
  590. }
  591. }
  592. static inline int qnq_async_evt_rcvd(struct be_adapter *adapter)
  593. {
  594. return adapter->flags & BE_FLAGS_QNQ_ASYNC_EVT_RCVD;
  595. }
  596. static inline int fw_major_num(const char *fw_ver)
  597. {
  598. int fw_major = 0;
  599. sscanf(fw_ver, "%d.", &fw_major);
  600. return fw_major;
  601. }
  602. extern void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm,
  603. u16 num_popped);
  604. extern void be_link_status_update(struct be_adapter *adapter, u8 link_status);
  605. extern void be_parse_stats(struct be_adapter *adapter);
  606. extern int be_load_fw(struct be_adapter *adapter, u8 *func);
  607. extern bool be_is_wol_supported(struct be_adapter *adapter);
  608. extern bool be_pause_supported(struct be_adapter *adapter);
  609. extern u32 be_get_fw_log_level(struct be_adapter *adapter);
  610. int be_update_queues(struct be_adapter *adapter);
  611. int be_poll(struct napi_struct *napi, int budget);
  612. /*
  613. * internal function to initialize-cleanup roce device.
  614. */
  615. extern void be_roce_dev_add(struct be_adapter *);
  616. extern void be_roce_dev_remove(struct be_adapter *);
  617. /*
  618. * internal function to open-close roce device during ifup-ifdown.
  619. */
  620. extern void be_roce_dev_open(struct be_adapter *);
  621. extern void be_roce_dev_close(struct be_adapter *);
  622. #endif /* BE_H */