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 14#ifndef BE_H 15#define BE_H 16 17#include <linux/pci.h> 18#include <linux/etherdevice.h> 19#include <linux/delay.h> 20#include <net/tcp.h> 21#include <net/ip.h> 22#include <net/ipv6.h> 23#include <linux/if_vlan.h> 24#include <linux/workqueue.h> 25#include <linux/interrupt.h> 26#include <linux/firmware.h> 27#include <linux/slab.h> 28#include <linux/u64_stats_sync.h> 29#include <linux/cpumask.h> 30#include <linux/hwmon.h> 31#include <linux/hwmon-sysfs.h> 32 33#include "be_hw.h" 34#include "be_roce.h" 35 36#define DRV_NAME "be2net" 37#define BE_NAME "Emulex BladeEngine2" 38#define BE3_NAME "Emulex BladeEngine3" 39#define OC_NAME "Emulex OneConnect" 40#define OC_NAME_BE OC_NAME "(be3)" 41#define OC_NAME_LANCER OC_NAME "(Lancer)" 42#define OC_NAME_SH OC_NAME "(Skyhawk)" 43#define DRV_DESC "Emulex OneConnect NIC Driver" 44 45#define BE_VENDOR_ID 0x19a2 46#define EMULEX_VENDOR_ID 0x10df 47#define BE_DEVICE_ID1 0x211 48#define BE_DEVICE_ID2 0x221 49#define OC_DEVICE_ID1 0x700 /* Device Id for BE2 cards */ 50#define OC_DEVICE_ID2 0x710 /* Device Id for BE3 cards */ 51#define OC_DEVICE_ID3 0xe220 /* Device id for Lancer cards */ 52#define OC_DEVICE_ID4 0xe228 /* Device id for VF in Lancer */ 53#define OC_DEVICE_ID5 0x720 /* Device Id for Skyhawk cards */ 54#define OC_DEVICE_ID6 0x728 /* Device id for VF in SkyHawk */ 55#define OC_SUBSYS_DEVICE_ID1 0xE602 56#define OC_SUBSYS_DEVICE_ID2 0xE642 57#define OC_SUBSYS_DEVICE_ID3 0xE612 58#define OC_SUBSYS_DEVICE_ID4 0xE652 59 60/* Number of bytes of an RX frame that are copied to skb->data */ 61#define BE_HDR_LEN ((u16) 64) 62/* allocate extra space to allow tunneling decapsulation without head reallocation */ 63#define BE_RX_SKB_ALLOC_SIZE 256 64 65#define BE_MAX_JUMBO_FRAME_SIZE 9018 66#define BE_MIN_MTU 256 67#define BE_MAX_MTU (BE_MAX_JUMBO_FRAME_SIZE - \ 68 (ETH_HLEN + ETH_FCS_LEN)) 69 70/* Accommodate for QnQ configurations where VLAN insertion is enabled in HW */ 71#define BE_MAX_GSO_SIZE (65535 - 2 * VLAN_HLEN) 72 73#define BE_NUM_VLANS_SUPPORTED 64 74#define BE_MAX_EQD 128u 75#define BE_MAX_TX_FRAG_COUNT 30 76 77#define EVNT_Q_LEN 1024 78#define TX_Q_LEN 2048 79#define TX_CQ_LEN 1024 80#define RX_Q_LEN 1024 /* Does not support any other value */ 81#define RX_CQ_LEN 1024 82#define MCC_Q_LEN 128 /* total size not to exceed 8 pages */ 83#define MCC_CQ_LEN 256 84 85#define BE2_MAX_RSS_QS 4 86#define BE3_MAX_RSS_QS 16 87#define BE3_MAX_TX_QS 16 88#define BE3_MAX_EVT_QS 16 89#define BE3_SRIOV_MAX_EVT_QS 8 90#define SH_VF_MAX_NIC_EQS 3 /* Skyhawk VFs can have a max of 4 EQs 91 * and at least 1 is granted to either 92 * SURF/DPDK 93 */ 94 95#define MAX_PORT_RSS_TABLES 15 96#define MAX_NIC_FUNCS 16 97#define MAX_RX_QS 32 98#define MAX_EVT_QS 32 99#define MAX_TX_QS 32 100 101#define MAX_ROCE_EQS 5 102#define MAX_MSIX_VECTORS 32 103#define MIN_MSIX_VECTORS 1 104#define BE_NAPI_WEIGHT 64 105#define MAX_RX_POST BE_NAPI_WEIGHT /* Frags posted at a time */ 106#define RX_FRAGS_REFILL_WM (RX_Q_LEN - MAX_RX_POST) 107#define MAX_NUM_POST_ERX_DB 255u 108 109#define MAX_VFS 30 /* Max VFs supported by BE3 FW */ 110#define FW_VER_LEN 32 111#define CNTL_SERIAL_NUM_WORDS 8 /* Controller serial number words */ 112#define CNTL_SERIAL_NUM_WORD_SZ (sizeof(u16)) /* Byte-sz of serial num word */ 113 114#define RSS_INDIR_TABLE_LEN 128 115#define RSS_HASH_KEY_LEN 40 116 117#define BE_UNKNOWN_PHY_STATE 0xFF 118 119struct be_dma_mem { 120 void *va; 121 dma_addr_t dma; 122 u32 size; 123}; 124 125struct be_queue_info { 126 u32 len; 127 u32 entry_size; /* Size of an element in the queue */ 128 u32 tail, head; 129 atomic_t used; /* Number of valid elements in the queue */ 130 u32 id; 131 struct be_dma_mem dma_mem; 132 bool created; 133}; 134 135static inline u32 MODULO(u32 val, u32 limit) 136{ 137 BUG_ON(limit & (limit - 1)); 138 return val & (limit - 1); 139} 140 141static inline void index_adv(u32 *index, u32 val, u32 limit) 142{ 143 *index = MODULO((*index + val), limit); 144} 145 146static inline void index_inc(u32 *index, u32 limit) 147{ 148 *index = MODULO((*index + 1), limit); 149} 150 151static inline void *queue_head_node(struct be_queue_info *q) 152{ 153 return q->dma_mem.va + q->head * q->entry_size; 154} 155 156static inline void *queue_tail_node(struct be_queue_info *q) 157{ 158 return q->dma_mem.va + q->tail * q->entry_size; 159} 160 161static inline void *queue_index_node(struct be_queue_info *q, u16 index) 162{ 163 return q->dma_mem.va + index * q->entry_size; 164} 165 166static inline void queue_head_inc(struct be_queue_info *q) 167{ 168 index_inc(&q->head, q->len); 169} 170 171static inline void index_dec(u32 *index, u32 limit) 172{ 173 *index = MODULO((*index - 1), limit); 174} 175 176static inline void queue_tail_inc(struct be_queue_info *q) 177{ 178 index_inc(&q->tail, q->len); 179} 180 181struct be_eq_obj { 182 struct be_queue_info q; 183 char desc[32]; 184 185 struct be_adapter *adapter; 186 struct napi_struct napi; 187 u8 idx; /* array index */ 188 u8 msix_idx; 189 u16 spurious_intr; 190 cpumask_var_t affinity_mask; 191} ____cacheline_aligned_in_smp; 192 193struct be_aic_obj { /* Adaptive interrupt coalescing (AIC) info */ 194 u32 min_eqd; /* in usecs */ 195 u32 max_eqd; /* in usecs */ 196 u32 prev_eqd; /* in usecs */ 197 u32 et_eqd; /* configured val when aic is off */ 198 ulong jiffies; 199 u64 rx_pkts_prev; /* Used to calculate RX pps */ 200 u64 tx_reqs_prev; /* Used to calculate TX pps */ 201}; 202 203struct be_mcc_obj { 204 struct be_queue_info q; 205 struct be_queue_info cq; 206 bool rearm_cq; 207}; 208 209struct be_tx_stats { 210 u64 tx_bytes; 211 u64 tx_pkts; 212 u64 tx_vxlan_offload_pkts; 213 u64 tx_reqs; 214 u64 tx_compl; 215 u32 tx_stops; 216 u32 tx_drv_drops; /* pkts dropped by driver */ 217 /* the error counters are described in be_ethtool.c */ 218 u32 tx_hdr_parse_err; 219 u32 tx_dma_err; 220 u32 tx_tso_err; 221 u32 tx_spoof_check_err; 222 u32 tx_qinq_err; 223 u32 tx_internal_parity_err; 224 u32 tx_sge_err; 225 struct u64_stats_sync sync; 226 struct u64_stats_sync sync_compl; 227}; 228 229/* Structure to hold some data of interest obtained from a TX CQE */ 230struct be_tx_compl_info { 231 u8 status; /* Completion status */ 232 u16 end_index; /* Completed TXQ Index */ 233}; 234 235struct be_tx_obj { 236 u32 db_offset; 237 struct be_tx_compl_info txcp; 238 struct be_queue_info q; 239 struct be_queue_info cq; 240 /* Remember the skbs that were transmitted */ 241 struct sk_buff *sent_skb_list[TX_Q_LEN]; 242 struct be_tx_stats stats; 243 u16 pend_wrb_cnt; /* Number of WRBs yet to be given to HW */ 244 u16 last_req_wrb_cnt; /* wrb cnt of the last req in the Q */ 245 u16 last_req_hdr; /* index of the last req's hdr-wrb */ 246} ____cacheline_aligned_in_smp; 247 248/* Struct to remember the pages posted for rx frags */ 249struct be_rx_page_info { 250 struct page *page; 251 /* set to page-addr for last frag of the page & frag-addr otherwise */ 252 DEFINE_DMA_UNMAP_ADDR(bus); 253 u16 page_offset; 254 bool last_frag; /* last frag of the page */ 255}; 256 257struct be_rx_stats { 258 u64 rx_bytes; 259 u64 rx_pkts; 260 u64 rx_vxlan_offload_pkts; 261 u32 rx_drops_no_skbs; /* skb allocation errors */ 262 u32 rx_drops_no_frags; /* HW has no fetched frags */ 263 u32 rx_post_fail; /* page post alloc failures */ 264 u32 rx_compl; 265 u32 rx_mcast_pkts; 266 u32 rx_compl_err; /* completions with err set */ 267 struct u64_stats_sync sync; 268}; 269 270struct be_rx_compl_info { 271 u32 rss_hash; 272 u16 vlan_tag; 273 u16 pkt_size; 274 u16 port; 275 u8 vlanf; 276 u8 num_rcvd; 277 u8 err; 278 u8 ipf; 279 u8 tcpf; 280 u8 udpf; 281 u8 ip_csum; 282 u8 l4_csum; 283 u8 ipv6; 284 u8 qnq; 285 u8 pkt_type; 286 u8 ip_frag; 287 u8 tunneled; 288}; 289 290struct be_rx_obj { 291 struct be_adapter *adapter; 292 struct be_queue_info q; 293 struct be_queue_info cq; 294 struct be_rx_compl_info rxcp; 295 struct be_rx_page_info page_info_tbl[RX_Q_LEN]; 296 struct be_rx_stats stats; 297 u8 rss_id; 298 bool rx_post_starved; /* Zero rx frags have been posted to BE */ 299} ____cacheline_aligned_in_smp; 300 301struct be_drv_stats { 302 u32 eth_red_drops; 303 u32 dma_map_errors; 304 u32 rx_drops_no_pbuf; 305 u32 rx_drops_no_txpb; 306 u32 rx_drops_no_erx_descr; 307 u32 rx_drops_no_tpre_descr; 308 u32 rx_drops_too_many_frags; 309 u32 forwarded_packets; 310 u32 rx_drops_mtu; 311 u32 rx_crc_errors; 312 u32 rx_alignment_symbol_errors; 313 u32 rx_pause_frames; 314 u32 rx_priority_pause_frames; 315 u32 rx_control_frames; 316 u32 rx_in_range_errors; 317 u32 rx_out_range_errors; 318 u32 rx_frame_too_long; 319 u32 rx_address_filtered; 320 u32 rx_dropped_too_small; 321 u32 rx_dropped_too_short; 322 u32 rx_dropped_header_too_small; 323 u32 rx_dropped_tcp_length; 324 u32 rx_dropped_runt; 325 u32 rx_ip_checksum_errs; 326 u32 rx_tcp_checksum_errs; 327 u32 rx_udp_checksum_errs; 328 u32 tx_pauseframes; 329 u32 tx_priority_pauseframes; 330 u32 tx_controlframes; 331 u32 rxpp_fifo_overflow_drop; 332 u32 rx_input_fifo_overflow_drop; 333 u32 pmem_fifo_overflow_drop; 334 u32 jabber_events; 335 u32 rx_roce_bytes_lsd; 336 u32 rx_roce_bytes_msd; 337 u32 rx_roce_frames; 338 u32 roce_drops_payload_len; 339 u32 roce_drops_crc; 340}; 341 342/* A vlan-id of 0xFFFF must be used to clear transparent vlan-tagging */ 343#define BE_RESET_VLAN_TAG_ID 0xFFFF 344 345struct be_vf_cfg { 346 unsigned char mac_addr[ETH_ALEN]; 347 int if_handle; 348 int pmac_id; 349 u16 vlan_tag; 350 u32 tx_rate; 351 u32 plink_tracking; 352 u32 privileges; 353 bool spoofchk; 354}; 355 356enum vf_state { 357 ENABLED = 0, 358 ASSIGNED = 1 359}; 360 361#define BE_FLAGS_LINK_STATUS_INIT BIT(1) 362#define BE_FLAGS_SRIOV_ENABLED BIT(2) 363#define BE_FLAGS_WORKER_SCHEDULED BIT(3) 364#define BE_FLAGS_NAPI_ENABLED BIT(6) 365#define BE_FLAGS_QNQ_ASYNC_EVT_RCVD BIT(7) 366#define BE_FLAGS_VXLAN_OFFLOADS BIT(8) 367#define BE_FLAGS_SETUP_DONE BIT(9) 368#define BE_FLAGS_PHY_MISCONFIGURED BIT(10) 369#define BE_FLAGS_ERR_DETECTION_SCHEDULED BIT(11) 370#define BE_FLAGS_OS2BMC BIT(12) 371#define BE_FLAGS_TRY_RECOVERY BIT(13) 372 373#define BE_UC_PMAC_COUNT 30 374#define BE_VF_UC_PMAC_COUNT 2 375 376#define MAX_ERR_RECOVERY_RETRY_COUNT 3 377#define ERR_DETECTION_DELAY 1000 378 379/* Ethtool set_dump flags */ 380#define LANCER_INITIATE_FW_DUMP 0x1 381#define LANCER_DELETE_FW_DUMP 0x2 382 383struct phy_info { 384/* From SFF-8472 spec */ 385#define SFP_VENDOR_NAME_LEN 17 386 u8 transceiver; 387 u8 autoneg; 388 u8 fc_autoneg; 389 u8 port_type; 390 u16 phy_type; 391 u16 interface_type; 392 u32 misc_params; 393 u16 auto_speeds_supported; 394 u16 fixed_speeds_supported; 395 int link_speed; 396 u32 advertising; 397 u32 supported; 398 u8 cable_type; 399 u8 vendor_name[SFP_VENDOR_NAME_LEN]; 400 u8 vendor_pn[SFP_VENDOR_NAME_LEN]; 401}; 402 403struct be_resources { 404 u16 max_vfs; /* Total VFs "really" supported by FW/HW */ 405 u16 max_mcast_mac; 406 u16 max_tx_qs; 407 u16 max_rss_qs; 408 u16 max_rx_qs; 409 u16 max_cq_count; 410 u16 max_uc_mac; /* Max UC MACs programmable */ 411 u16 max_vlans; /* Number of vlans supported */ 412 u16 max_iface_count; 413 u16 max_mcc_count; 414 u16 max_evt_qs; 415 u16 max_nic_evt_qs; /* NIC's share of evt qs */ 416 u32 if_cap_flags; 417 u32 vf_if_cap_flags; /* VF if capability flags */ 418 u32 flags; 419 /* Calculated PF Pool's share of RSS Tables. This is not enforced by 420 * the FW, but is a self-imposed driver limitation. 421 */ 422 u16 max_rss_tables; 423}; 424 425/* These are port-wide values */ 426struct be_port_resources { 427 u16 max_vfs; 428 u16 nic_pfs; 429}; 430 431#define be_is_os2bmc_enabled(adapter) (adapter->flags & BE_FLAGS_OS2BMC) 432 433struct rss_info { 434 u8 rsstable[RSS_INDIR_TABLE_LEN]; 435 u8 rss_queue[RSS_INDIR_TABLE_LEN]; 436 u8 rss_hkey[RSS_HASH_KEY_LEN]; 437 u64 rss_flags; 438}; 439 440#define BE_INVALID_DIE_TEMP 0xFF 441struct be_hwmon { 442 struct device *hwmon_dev; 443 u8 be_on_die_temp; /* Unit: millidegree Celsius */ 444}; 445 446/* Macros to read/write the 'features' word of be_wrb_params structure. 447 */ 448#define BE_WRB_F_BIT(name) BE_WRB_F_##name##_BIT 449#define BE_WRB_F_MASK(name) BIT_MASK(BE_WRB_F_##name##_BIT) 450 451#define BE_WRB_F_GET(word, name) \ 452 (((word) & (BE_WRB_F_MASK(name))) >> BE_WRB_F_BIT(name)) 453 454#define BE_WRB_F_SET(word, name, val) \ 455 ((word) |= (((val) << BE_WRB_F_BIT(name)) & BE_WRB_F_MASK(name))) 456 457/* Feature/offload bits */ 458enum { 459 BE_WRB_F_CRC_BIT, /* Ethernet CRC */ 460 BE_WRB_F_IPCS_BIT, /* IP csum */ 461 BE_WRB_F_TCPCS_BIT, /* TCP csum */ 462 BE_WRB_F_UDPCS_BIT, /* UDP csum */ 463 BE_WRB_F_LSO_BIT, /* LSO */ 464 BE_WRB_F_LSO6_BIT, /* LSO6 */ 465 BE_WRB_F_VLAN_BIT, /* VLAN */ 466 BE_WRB_F_VLAN_SKIP_HW_BIT, /* Skip VLAN tag (workaround) */ 467 BE_WRB_F_OS2BMC_BIT /* Send packet to the management ring */ 468}; 469 470/* The structure below provides a HW-agnostic abstraction of WRB params 471 * retrieved from a TX skb. This is in turn passed to chip specific routines 472 * during transmit, to set the corresponding params in the WRB. 473 */ 474struct be_wrb_params { 475 u32 features; /* Feature bits */ 476 u16 vlan_tag; /* VLAN tag */ 477 u16 lso_mss; /* MSS for LSO */ 478}; 479 480struct be_eth_addr { 481 unsigned char mac[ETH_ALEN]; 482}; 483 484#define BE_SEC 1000 /* in msec */ 485#define BE_MIN (60 * BE_SEC) /* in msec */ 486#define BE_HOUR (60 * BE_MIN) /* in msec */ 487 488#define ERR_RECOVERY_MAX_RETRY_COUNT 3 489#define ERR_RECOVERY_DETECTION_DELAY BE_SEC 490#define ERR_RECOVERY_RETRY_DELAY (30 * BE_SEC) 491 492/* UE-detection-duration in BEx/Skyhawk: 493 * All PFs must wait for this duration after they detect UE before reading 494 * SLIPORT_SEMAPHORE register. At the end of this duration, the Firmware 495 * guarantees that the SLIPORT_SEMAPHORE register is updated to indicate 496 * if the UE is recoverable. 497 */ 498#define ERR_RECOVERY_UE_DETECT_DURATION BE_SEC 499 500/* Initial idle time (in msec) to elapse after driver load, 501 * before UE recovery is allowed. 502 */ 503#define ERR_IDLE_HR 24 504#define ERR_RECOVERY_IDLE_TIME (ERR_IDLE_HR * BE_HOUR) 505 506/* Time interval (in msec) after which UE recovery can be repeated */ 507#define ERR_INTERVAL_HR 72 508#define ERR_RECOVERY_INTERVAL (ERR_INTERVAL_HR * BE_HOUR) 509 510/* BEx/SH UE recovery state machine */ 511enum { 512 ERR_RECOVERY_ST_NONE = 0, /* No Recovery */ 513 ERR_RECOVERY_ST_DETECT = 1, /* UE detection duration */ 514 ERR_RECOVERY_ST_RESET = 2, /* Reset Phase (PF0 only) */ 515 ERR_RECOVERY_ST_PRE_POLL = 3, /* Pre-Poll Phase (all PFs) */ 516 ERR_RECOVERY_ST_REINIT = 4 /* Re-initialize Phase */ 517}; 518 519struct be_error_recovery { 520 union { 521 u8 recovery_retries; /* used for Lancer */ 522 u8 recovery_state; /* used for BEx and Skyhawk */ 523 }; 524 525 /* BEx/Skyhawk error recovery variables */ 526 bool recovery_supported; 527 u16 ue_to_reset_time; /* Time after UE, to soft reset 528 * the chip - PF0 only 529 */ 530 u16 ue_to_poll_time; /* Time after UE, to Restart Polling 531 * of SLIPORT_SEMAPHORE reg 532 */ 533 u16 last_err_code; 534 unsigned long probe_time; 535 unsigned long last_recovery_time; 536 537 /* Common to both Lancer & BEx/SH error recovery */ 538 u32 resched_delay; 539 struct delayed_work err_detection_work; 540}; 541 542/* Ethtool priv_flags */ 543#define BE_DISABLE_TPE_RECOVERY 0x1 544 545struct be_vxlan_port { 546 struct list_head list; 547 __be16 port; /* VxLAN UDP dst port */ 548 int port_aliases; /* alias count */ 549}; 550 551struct be_adapter { 552 struct pci_dev *pdev; 553 struct net_device *netdev; 554 555 u8 __iomem *csr; /* CSR BAR used only for BE2/3 */ 556 u8 __iomem *db; /* Door Bell */ 557 u8 __iomem *pcicfg; /* On SH,BEx only. Shadow of PCI config space */ 558 559 struct mutex mbox_lock; /* For serializing mbox cmds to BE card */ 560 struct be_dma_mem mbox_mem; 561 /* Mbox mem is adjusted to align to 16 bytes. The allocated addr 562 * is stored for freeing purpose */ 563 struct be_dma_mem mbox_mem_alloced; 564 565 struct be_mcc_obj mcc_obj; 566 struct mutex mcc_lock; /* For serializing mcc cmds to BE card */ 567 spinlock_t mcc_cq_lock; 568 569 u16 cfg_num_rx_irqs; /* configured via set-channels */ 570 u16 cfg_num_tx_irqs; /* configured via set-channels */ 571 u16 num_evt_qs; 572 u16 num_msix_vec; 573 struct be_eq_obj eq_obj[MAX_EVT_QS]; 574 struct msix_entry msix_entries[MAX_MSIX_VECTORS]; 575 bool isr_registered; 576 577 /* TX Rings */ 578 u16 num_tx_qs; 579 struct be_tx_obj tx_obj[MAX_TX_QS]; 580 581 /* Rx rings */ 582 u16 num_rx_qs; 583 u16 num_rss_qs; 584 u16 need_def_rxq; 585 struct be_rx_obj rx_obj[MAX_RX_QS]; 586 u32 big_page_size; /* Compounded page size shared by rx wrbs */ 587 588 struct be_drv_stats drv_stats; 589 struct be_aic_obj aic_obj[MAX_EVT_QS]; 590 bool aic_enabled; 591 u8 vlan_prio_bmap; /* Available Priority BitMap */ 592 u16 recommended_prio_bits;/* Recommended Priority bits in vlan tag */ 593 struct be_dma_mem rx_filter; /* Cmd DMA mem for rx-filter */ 594 595 struct be_dma_mem stats_cmd; 596 /* Work queue used to perform periodic tasks like getting statistics */ 597 struct delayed_work work; 598 u16 work_counter; 599 600 u8 recovery_retries; 601 u8 err_flags; 602 bool pcicfg_mapped; /* pcicfg obtained via pci_iomap() */ 603 u32 flags; 604 u32 cmd_privileges; 605 /* Ethtool knobs and info */ 606 char fw_ver[FW_VER_LEN]; 607 char fw_on_flash[FW_VER_LEN]; 608 609 /* IFACE filtering fields */ 610 int if_handle; /* Used to configure filtering */ 611 u32 if_flags; /* Interface filtering flags */ 612 u32 *pmac_id; /* MAC addr handle used by BE card */ 613 struct be_eth_addr *uc_list;/* list of uc-addrs programmed (not perm) */ 614 u32 uc_macs; /* Count of secondary UC MAC programmed */ 615 struct be_eth_addr *mc_list;/* list of mcast addrs programmed */ 616 u32 mc_count; 617 unsigned long vids[BITS_TO_LONGS(VLAN_N_VID)]; 618 u16 vlans_added; 619 bool update_uc_list; 620 bool update_mc_list; 621 struct mutex rx_filter_lock;/* For protecting vids[] & mc/uc_list[] */ 622 623 u32 beacon_state; /* for set_phys_id */ 624 625 u32 port_num; 626 char port_name; 627 u8 mc_type; 628 u32 function_mode; 629 u32 function_caps; 630 u32 rx_fc; /* Rx flow control */ 631 u32 tx_fc; /* Tx flow control */ 632 bool stats_cmd_sent; 633 struct { 634 u32 size; 635 u32 total_size; 636 u64 io_addr; 637 } roce_db; 638 u32 num_msix_roce_vec; 639 struct ocrdma_dev *ocrdma_dev; 640 struct list_head entry; 641 642 u32 flash_status; 643 struct completion et_cmd_compl; 644 645 struct be_resources pool_res; /* resources available for the port */ 646 struct be_resources res; /* resources available for the func */ 647 u16 num_vfs; /* Number of VFs provisioned by PF */ 648 u8 pf_num; /* Numbering used by FW, starts at 0 */ 649 u8 vf_num; /* Numbering used by FW, starts at 1 */ 650 u8 virtfn; 651 struct be_vf_cfg *vf_cfg; 652 bool be3_native; 653 u32 sli_family; 654 u8 hba_port_num; 655 u16 pvid; 656 __be16 vxlan_port; /* offloaded vxlan port num */ 657 struct phy_info phy; 658 u8 wol_cap; 659 bool wol_en; 660 u16 asic_rev; 661 u16 qnq_vid; 662 u32 msg_enable; 663 int be_get_temp_freq; 664 struct be_hwmon hwmon_info; 665 struct rss_info rss_info; 666 /* Filters for packets that need to be sent to BMC */ 667 u32 bmc_filt_mask; 668 u32 fat_dump_len; 669 u16 serial_num[CNTL_SERIAL_NUM_WORDS]; 670 u8 phy_state; /* state of sfp optics (functional, faulted, etc.,) */ 671 u8 dev_mac[ETH_ALEN]; 672 u32 priv_flags; /* ethtool get/set_priv_flags() */ 673 struct be_error_recovery error_recovery; 674}; 675 676/* Used for defered FW config cmds. Add fields to this struct as reqd */ 677struct be_cmd_work { 678 struct work_struct work; 679 struct be_adapter *adapter; 680}; 681 682#define be_physfn(adapter) (!adapter->virtfn) 683#define be_virtfn(adapter) (adapter->virtfn) 684#define sriov_enabled(adapter) (adapter->flags & \ 685 BE_FLAGS_SRIOV_ENABLED) 686 687#define for_all_vfs(adapter, vf_cfg, i) \ 688 for (i = 0, vf_cfg = &adapter->vf_cfg[i]; i < adapter->num_vfs; \ 689 i++, vf_cfg++) 690 691#define ON 1 692#define OFF 0 693 694#define be_max_vlans(adapter) (adapter->res.max_vlans) 695#define be_max_uc(adapter) (adapter->res.max_uc_mac) 696#define be_max_mc(adapter) (adapter->res.max_mcast_mac) 697#define be_max_vfs(adapter) (adapter->pool_res.max_vfs) 698#define be_max_rss(adapter) (adapter->res.max_rss_qs) 699#define be_max_txqs(adapter) (adapter->res.max_tx_qs) 700#define be_max_prio_txqs(adapter) (adapter->res.max_prio_tx_qs) 701#define be_max_rxqs(adapter) (adapter->res.max_rx_qs) 702/* Max number of EQs available for the function (NIC + RoCE (if enabled)) */ 703#define be_max_func_eqs(adapter) (adapter->res.max_evt_qs) 704/* Max number of EQs available avaialble only for NIC */ 705#define be_max_nic_eqs(adapter) (adapter->res.max_nic_evt_qs) 706#define be_if_cap_flags(adapter) (adapter->res.if_cap_flags) 707#define be_max_pf_pool_rss_tables(adapter) \ 708 (adapter->pool_res.max_rss_tables) 709/* Max irqs avaialble for NIC */ 710#define be_max_irqs(adapter) \ 711 (min_t(u16, be_max_nic_eqs(adapter), num_online_cpus())) 712 713/* Max irqs *needed* for RX queues */ 714static inline u16 be_max_rx_irqs(struct be_adapter *adapter) 715{ 716 /* If no RSS, need atleast one irq for def-RXQ */ 717 u16 num = max_t(u16, be_max_rss(adapter), 1); 718 719 return min_t(u16, num, be_max_irqs(adapter)); 720} 721 722/* Max irqs *needed* for TX queues */ 723static inline u16 be_max_tx_irqs(struct be_adapter *adapter) 724{ 725 return min_t(u16, be_max_txqs(adapter), be_max_irqs(adapter)); 726} 727 728/* Max irqs *needed* for combined queues */ 729static inline u16 be_max_qp_irqs(struct be_adapter *adapter) 730{ 731 return min(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter)); 732} 733 734/* Max irqs *needed* for RX and TX queues together */ 735static inline u16 be_max_any_irqs(struct be_adapter *adapter) 736{ 737 return max(be_max_tx_irqs(adapter), be_max_rx_irqs(adapter)); 738} 739 740/* Is BE in pvid_tagging mode */ 741#define be_pvid_tagging_enabled(adapter) (adapter->pvid) 742 743/* Is BE in QNQ multi-channel mode */ 744#define be_is_qnq_mode(adapter) (adapter->function_mode & QNQ_MODE) 745 746#ifdef CONFIG_BE2NET_LANCER 747#define lancer_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID3 || \ 748 adapter->pdev->device == OC_DEVICE_ID4) 749#else 750#define lancer_chip(adapter) (0) 751#endif /* CONFIG_BE2NET_LANCER */ 752 753#ifdef CONFIG_BE2NET_SKYHAWK 754#define skyhawk_chip(adapter) (adapter->pdev->device == OC_DEVICE_ID5 || \ 755 adapter->pdev->device == OC_DEVICE_ID6) 756#else 757#define skyhawk_chip(adapter) (0) 758#endif /* CONFIG_BE2NET_SKYHAWK */ 759 760#ifdef CONFIG_BE2NET_BE3 761#define BE3_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID2 || \ 762 adapter->pdev->device == OC_DEVICE_ID2) 763#else 764#define BE3_chip(adapter) (0) 765#endif /* CONFIG_BE2NET_BE3 */ 766 767#ifdef CONFIG_BE2NET_BE2 768#define BE2_chip(adapter) (adapter->pdev->device == BE_DEVICE_ID1 || \ 769 adapter->pdev->device == OC_DEVICE_ID1) 770#else 771#define BE2_chip(adapter) (0) 772#endif /* CONFIG_BE2NET_BE2 */ 773 774#define BEx_chip(adapter) (BE3_chip(adapter) || BE2_chip(adapter)) 775 776#define be_roce_supported(adapter) (skyhawk_chip(adapter) && \ 777 (adapter->function_mode & RDMA_ENABLED)) 778 779extern const struct ethtool_ops be_ethtool_ops; 780 781#define msix_enabled(adapter) (adapter->num_msix_vec > 0) 782#define num_irqs(adapter) (msix_enabled(adapter) ? \ 783 adapter->num_msix_vec : 1) 784#define tx_stats(txo) (&(txo)->stats) 785#define rx_stats(rxo) (&(rxo)->stats) 786 787/* The default RXQ is the last RXQ */ 788#define default_rxo(adpt) (&adpt->rx_obj[adpt->num_rx_qs - 1]) 789 790#define for_all_rx_queues(adapter, rxo, i) \ 791 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs; \ 792 i++, rxo++) 793 794#define for_all_rss_queues(adapter, rxo, i) \ 795 for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rss_qs; \ 796 i++, rxo++) 797 798#define for_all_tx_queues(adapter, txo, i) \ 799 for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs; \ 800 i++, txo++) 801 802#define for_all_evt_queues(adapter, eqo, i) \ 803 for (i = 0, eqo = &adapter->eq_obj[i]; i < adapter->num_evt_qs; \ 804 i++, eqo++) 805 806#define for_all_rx_queues_on_eq(adapter, eqo, rxo, i) \ 807 for (i = eqo->idx, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs;\ 808 i += adapter->num_evt_qs, rxo += adapter->num_evt_qs) 809 810#define for_all_tx_queues_on_eq(adapter, eqo, txo, i) \ 811 for (i = eqo->idx, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs;\ 812 i += adapter->num_evt_qs, txo += adapter->num_evt_qs) 813 814#define is_mcc_eqo(eqo) (eqo->idx == 0) 815#define mcc_eqo(adapter) (&adapter->eq_obj[0]) 816 817#define PAGE_SHIFT_4K 12 818#define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K) 819 820/* Returns number of pages spanned by the data starting at the given addr */ 821#define PAGES_4K_SPANNED(_address, size) \ 822 ((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \ 823 (size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K)) 824 825/* Returns bit offset within a DWORD of a bitfield */ 826#define AMAP_BIT_OFFSET(_struct, field) \ 827 (((size_t)&(((_struct *)0)->field))%32) 828 829/* Returns the bit mask of the field that is NOT shifted into location. */ 830static inline u32 amap_mask(u32 bitsize) 831{ 832 return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1); 833} 834 835static inline void 836amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value) 837{ 838 u32 *dw = (u32 *) ptr + dw_offset; 839 *dw &= ~(mask << offset); 840 *dw |= (mask & value) << offset; 841} 842 843#define AMAP_SET_BITS(_struct, field, ptr, val) \ 844 amap_set(ptr, \ 845 offsetof(_struct, field)/32, \ 846 amap_mask(sizeof(((_struct *)0)->field)), \ 847 AMAP_BIT_OFFSET(_struct, field), \ 848 val) 849 850static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset) 851{ 852 u32 *dw = (u32 *) ptr; 853 return mask & (*(dw + dw_offset) >> offset); 854} 855 856#define AMAP_GET_BITS(_struct, field, ptr) \ 857 amap_get(ptr, \ 858 offsetof(_struct, field)/32, \ 859 amap_mask(sizeof(((_struct *)0)->field)), \ 860 AMAP_BIT_OFFSET(_struct, field)) 861 862#define GET_RX_COMPL_V0_BITS(field, ptr) \ 863 AMAP_GET_BITS(struct amap_eth_rx_compl_v0, field, ptr) 864 865#define GET_RX_COMPL_V1_BITS(field, ptr) \ 866 AMAP_GET_BITS(struct amap_eth_rx_compl_v1, field, ptr) 867 868#define GET_TX_COMPL_BITS(field, ptr) \ 869 AMAP_GET_BITS(struct amap_eth_tx_compl, field, ptr) 870 871#define SET_TX_WRB_HDR_BITS(field, ptr, val) \ 872 AMAP_SET_BITS(struct amap_eth_hdr_wrb, field, ptr, val) 873 874#define be_dws_cpu_to_le(wrb, len) swap_dws(wrb, len) 875#define be_dws_le_to_cpu(wrb, len) swap_dws(wrb, len) 876static inline void swap_dws(void *wrb, int len) 877{ 878#ifdef __BIG_ENDIAN 879 u32 *dw = wrb; 880 BUG_ON(len % 4); 881 do { 882 *dw = cpu_to_le32(*dw); 883 dw++; 884 len -= 4; 885 } while (len); 886#endif /* __BIG_ENDIAN */ 887} 888 889#define be_cmd_status(status) (status > 0 ? -EIO : status) 890 891static inline u8 is_tcp_pkt(struct sk_buff *skb) 892{ 893 u8 val = 0; 894 895 if (ip_hdr(skb)->version == 4) 896 val = (ip_hdr(skb)->protocol == IPPROTO_TCP); 897 else if (ip_hdr(skb)->version == 6) 898 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP); 899 900 return val; 901} 902 903static inline u8 is_udp_pkt(struct sk_buff *skb) 904{ 905 u8 val = 0; 906 907 if (ip_hdr(skb)->version == 4) 908 val = (ip_hdr(skb)->protocol == IPPROTO_UDP); 909 else if (ip_hdr(skb)->version == 6) 910 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP); 911 912 return val; 913} 914 915static inline bool is_ipv4_pkt(struct sk_buff *skb) 916{ 917 return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4; 918} 919 920static inline bool is_ipv6_ext_hdr(struct sk_buff *skb) 921{ 922 if (ip_hdr(skb)->version == 6) 923 return ipv6_ext_hdr(ipv6_hdr(skb)->nexthdr); 924 else 925 return false; 926} 927 928#define be_error_recovering(adapter) \ 929 (adapter->flags & BE_FLAGS_TRY_RECOVERY) 930 931#define BE_ERROR_EEH 1 932#define BE_ERROR_UE BIT(1) 933#define BE_ERROR_FW BIT(2) 934#define BE_ERROR_TX BIT(3) 935#define BE_ERROR_HW (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_TX) 936#define BE_ERROR_ANY (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_FW | \ 937 BE_ERROR_TX) 938#define BE_CLEAR_ALL 0xFF 939 940static inline u8 be_check_error(struct be_adapter *adapter, u32 err_type) 941{ 942 return (adapter->err_flags & err_type); 943} 944 945static inline void be_set_error(struct be_adapter *adapter, int err_type) 946{ 947 struct net_device *netdev = adapter->netdev; 948 949 adapter->err_flags |= err_type; 950 netif_carrier_off(netdev); 951 952 dev_info(&adapter->pdev->dev, "%s: Link down\n", netdev->name); 953} 954 955static inline void be_clear_error(struct be_adapter *adapter, int err_type) 956{ 957 adapter->err_flags &= ~err_type; 958} 959 960static inline bool be_multi_rxq(const struct be_adapter *adapter) 961{ 962 return adapter->num_rx_qs > 1; 963} 964 965void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm, 966 u16 num_popped); 967void be_link_status_update(struct be_adapter *adapter, u8 link_status); 968void be_parse_stats(struct be_adapter *adapter); 969int be_load_fw(struct be_adapter *adapter, u8 *func); 970bool be_is_wol_supported(struct be_adapter *adapter); 971bool be_pause_supported(struct be_adapter *adapter); 972u32 be_get_fw_log_level(struct be_adapter *adapter); 973int be_update_queues(struct be_adapter *adapter); 974int be_poll(struct napi_struct *napi, int budget); 975void be_eqd_update(struct be_adapter *adapter, bool force_update); 976 977/* 978 * internal function to initialize-cleanup roce device. 979 */ 980void be_roce_dev_add(struct be_adapter *); 981void be_roce_dev_remove(struct be_adapter *); 982 983/* 984 * internal function to open-close roce device during ifup-ifdown. 985 */ 986void be_roce_dev_shutdown(struct be_adapter *); 987 988#endif /* BE_H */ 989