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

   1 /*
   2  * Copyright (C) 2005 - 2015 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
  18 #ifndef BE_H
  19 #define BE_H
  20
  21 #include <linux/pci.h>
  22 #include <linux/etherdevice.h>
  23 #include <linux/delay.h>
  24 #include <net/tcp.h>
  25 #include <net/ip.h>
  26 #include <net/ipv6.h>
  27 #include <linux/if_vlan.h>
  28 #include <linux/workqueue.h>
  29 #include <linux/interrupt.h>
  30 #include <linux/firmware.h>
  31 #include <linux/slab.h>
  32 #include <linux/u64_stats_sync.h>
  33 #include <linux/cpumask.h>
  34 #include <linux/hwmon.h>
  35 #include <linux/hwmon-sysfs.h>
  36
  37 #include "be_hw.h"
  38 #include "be_roce.h"
  39
  40 #define DRV_VER                 "10.6.0.3"
  41 #define DRV_NAME                "be2net"
  42 #define BE_NAME                 "Emulex BladeEngine2"
  43 #define BE3_NAME                "Emulex BladeEngine3"
  44 #define OC_NAME                 "Emulex OneConnect"
  45 #define OC_NAME_BE              OC_NAME "(be3)"
  46 #define OC_NAME_LANCER          OC_NAME "(Lancer)"
  47 #define OC_NAME_SH              OC_NAME "(Skyhawk)"
  48 #define DRV_DESC                "Emulex OneConnect NIC Driver"
  49
  50 #define BE_VENDOR_ID            0x19a2
  51 #define EMULEX_VENDOR_ID        0x10df
  52 #define BE_DEVICE_ID1           0x211
  53 #define BE_DEVICE_ID2           0x221
  54 #define OC_DEVICE_ID1           0x700   /* Device Id for BE2 cards */
  55 #define OC_DEVICE_ID2           0x710   /* Device Id for BE3 cards */
  56 #define OC_DEVICE_ID3           0xe220  /* Device id for Lancer cards */
  57 #define OC_DEVICE_ID4           0xe228   /* Device id for VF in Lancer */
  58 #define OC_DEVICE_ID5           0x720   /* Device Id for Skyhawk cards */
  59 #define OC_DEVICE_ID6           0x728   /* Device id for VF in SkyHawk */
  60 #define OC_SUBSYS_DEVICE_ID1    0xE602
  61 #define OC_SUBSYS_DEVICE_ID2    0xE642
  62 #define OC_SUBSYS_DEVICE_ID3    0xE612
  63 #define OC_SUBSYS_DEVICE_ID4    0xE652
  64
  65 /* Number of bytes of an RX frame that are copied to skb->data */
  66 #define BE_HDR_LEN              ((u16) 64)
  67 /* allocate extra space to allow tunneling decapsulation without head reallocation */
  68 #define BE_RX_SKB_ALLOC_SIZE (BE_HDR_LEN + 64)
  69
  70 #define BE_MAX_JUMBO_FRAME_SIZE 9018
  71 #define BE_MIN_MTU              256
  72 #define BE_MAX_MTU              (BE_MAX_JUMBO_FRAME_SIZE -      \
  73                                  (ETH_HLEN + ETH_FCS_LEN))
  74
  75 #define BE_NUM_VLANS_SUPPORTED  64
  76 #define BE_MAX_EQD              128u
  77 #define BE_MAX_TX_FRAG_COUNT    30
  78
  79 #define EVNT_Q_LEN              1024
  80 #define TX_Q_LEN                2048
  81 #define TX_CQ_LEN               1024
  82 #define RX_Q_LEN                1024    /* Does not support any other value */
  83 #define RX_CQ_LEN               1024
  84 #define MCC_Q_LEN               128     /* total size not to exceed 8 pages */
  85 #define MCC_CQ_LEN              256
  86
  87 #define BE2_MAX_RSS_QS          4
  88 #define BE3_MAX_RSS_QS          16
  89 #define BE3_MAX_TX_QS           16
  90 #define BE3_MAX_EVT_QS          16
  91 #define BE3_SRIOV_MAX_EVT_QS    8
  92
  93 #define MAX_RSS_IFACES          15
  94 #define MAX_RX_QS               32
  95 #define MAX_EVT_QS              32
  96 #define MAX_TX_QS               32
  97
  98 #define MAX_ROCE_EQS            5
  99 #define MAX_MSIX_VECTORS        32
 100 #define MIN_MSIX_VECTORS        1
 101 #define BE_NAPI_WEIGHT          64
 102 #define MAX_RX_POST             BE_NAPI_WEIGHT /* Frags posted at a time */
 103 #define RX_FRAGS_REFILL_WM      (RX_Q_LEN - MAX_RX_POST)
 104 #define MAX_NUM_POST_ERX_DB     255u
 105
 106 #define MAX_VFS                 30 /* Max VFs supported by BE3 FW */
 107 #define FW_VER_LEN              32
 108 #define CNTL_SERIAL_NUM_WORDS   8  /* Controller serial number words */
 109 #define CNTL_SERIAL_NUM_WORD_SZ (sizeof(u16)) /* Byte-sz of serial num word */
 110
 111 #define RSS_INDIR_TABLE_LEN     128
 112 #define RSS_HASH_KEY_LEN        40
 113
 114 struct be_dma_mem {
 115         void *va;
 116         dma_addr_t dma;
 117         u32 size;
 118 };
 119
 120 struct be_queue_info {
 121         struct be_dma_mem dma_mem;
 122         u16 len;
 123         u16 entry_size; /* Size of an element in the queue */
 124         u16 id;
 125         u16 tail, head;
 126         bool created;
 127         atomic_t used;  /* Number of valid elements in the queue */
 128 };
 129
 130 static inline u32 MODULO(u16 val, u16 limit)
 131 {
 132         BUG_ON(limit & (limit - 1));
 133         return val & (limit - 1);
 134 }
 135
 136 static inline void index_adv(u16 *index, u16 val, u16 limit)
 137 {
 138         *index = MODULO((*index + val), limit);
 139 }
 140
 141 static inline void index_inc(u16 *index, u16 limit)
 142 {
 143         *index = MODULO((*index + 1), limit);
 144 }
 145
 146 static inline void *queue_head_node(struct be_queue_info *q)
 147 {
 148         return q->dma_mem.va + q->head * q->entry_size;
 149 }
 150
 151 static inline void *queue_tail_node(struct be_queue_info *q)
 152 {
 153         return q->dma_mem.va + q->tail * q->entry_size;
 154 }
 155
 156 static inline void *queue_index_node(struct be_queue_info *q, u16 index)
 157 {
 158         return q->dma_mem.va + index * q->entry_size;
 159 }
 160
 161 static inline void queue_head_inc(struct be_queue_info *q)
 162 {
 163         index_inc(&q->head, q->len);
 164 }
 165
 166 static inline void index_dec(u16 *index, u16 limit)
 167 {
 168         *index = MODULO((*index - 1), limit);
 169 }
 170
 171 static inline void queue_tail_inc(struct be_queue_info *q)
 172 {
 173         index_inc(&q->tail, q->len);
 174 }
 175
 176 struct be_eq_obj {
 177         struct be_queue_info q;
 178         char desc[32];
 179
 180         /* Adaptive interrupt coalescing (AIC) info */
 181         bool enable_aic;
 182         u32 min_eqd;            /* in usecs */
 183         u32 max_eqd;            /* in usecs */
 184         u32 eqd;                /* configured val when aic is off */
 185         u32 cur_eqd;            /* in usecs */
 186
 187         u8 idx;                 /* array index */
 188         u8 msix_idx;
 189         u16 spurious_intr;
 190         struct napi_struct napi;
 191         struct be_adapter *adapter;
 192         cpumask_var_t  affinity_mask;
 193
 194 #ifdef CONFIG_NET_RX_BUSY_POLL
 195 #define BE_EQ_IDLE              0
 196 #define BE_EQ_NAPI              1       /* napi owns this EQ */
 197 #define BE_EQ_POLL              2       /* poll owns this EQ */
 198 #define BE_EQ_LOCKED            (BE_EQ_NAPI | BE_EQ_POLL)
 199 #define BE_EQ_NAPI_YIELD        4       /* napi yielded this EQ */
 200 #define BE_EQ_POLL_YIELD        8       /* poll yielded this EQ */
 201 #define BE_EQ_YIELD             (BE_EQ_NAPI_YIELD | BE_EQ_POLL_YIELD)
 202 #define BE_EQ_USER_PEND         (BE_EQ_POLL | BE_EQ_POLL_YIELD)
 203         unsigned int state;
 204         spinlock_t lock;        /* lock to serialize napi and busy-poll */
 205 #endif  /* CONFIG_NET_RX_BUSY_POLL */
 206 } ____cacheline_aligned_in_smp;
 207
 208 struct be_aic_obj {             /* Adaptive interrupt coalescing (AIC) info */
 209         bool enable;
 210         u32 min_eqd;            /* in usecs */
 211         u32 max_eqd;            /* in usecs */
 212         u32 prev_eqd;           /* in usecs */
 213         u32 et_eqd;             /* configured val when aic is off */
 214         ulong jiffies;
 215         u64 rx_pkts_prev;       /* Used to calculate RX pps */
 216         u64 tx_reqs_prev;       /* Used to calculate TX pps */
 217 };
 218
 219 enum {
 220         NAPI_POLLING,
 221         BUSY_POLLING
 222 };
 223
 224 struct be_mcc_obj {
 225         struct be_queue_info q;
 226         struct be_queue_info cq;
 227         bool rearm_cq;
 228 };
 229
 230 struct be_tx_stats {
 231         u64 tx_bytes;
 232         u64 tx_pkts;
 233         u64 tx_vxlan_offload_pkts;
 234         u64 tx_reqs;
 235         u64 tx_compl;
 236         ulong tx_jiffies;
 237         u32 tx_stops;
 238         u32 tx_drv_drops;       /* pkts dropped by driver */
 239         /* the error counters are described in be_ethtool.c */
 240         u32 tx_hdr_parse_err;
 241         u32 tx_dma_err;
 242         u32 tx_tso_err;
 243         u32 tx_spoof_check_err;
 244         u32 tx_qinq_err;
 245         u32 tx_internal_parity_err;
 246         struct u64_stats_sync sync;
 247         struct u64_stats_sync sync_compl;
 248 };
 249
 250 /* Structure to hold some data of interest obtained from a TX CQE */
 251 struct be_tx_compl_info {
 252         u8 status;              /* Completion status */
 253         u16 end_index;          /* Completed TXQ Index */
 254 };
 255
 256 struct be_tx_obj {
 257         u32 db_offset;
 258         struct be_queue_info q;
 259         struct be_queue_info cq;
 260         struct be_tx_compl_info txcp;
 261         /* Remember the skbs that were transmitted */
 262         struct sk_buff *sent_skb_list[TX_Q_LEN];
 263         struct be_tx_stats stats;
 264         u16 pend_wrb_cnt;       /* Number of WRBs yet to be given to HW */
 265         u16 last_req_wrb_cnt;   /* wrb cnt of the last req in the Q */
 266         u16 last_req_hdr;       /* index of the last req's hdr-wrb */
 267 } ____cacheline_aligned_in_smp;
 268
 269 /* Struct to remember the pages posted for rx frags */
 270 struct be_rx_page_info {
 271         struct page *page;
 272         /* set to page-addr for last frag of the page & frag-addr otherwise */
 273         DEFINE_DMA_UNMAP_ADDR(bus);
 274         u16 page_offset;
 275         bool last_frag;         /* last frag of the page */
 276 };
 277
 278 struct be_rx_stats {
 279         u64 rx_bytes;
 280         u64 rx_pkts;
 281         u64 rx_vxlan_offload_pkts;
 282         u32 rx_drops_no_skbs;   /* skb allocation errors */
 283         u32 rx_drops_no_frags;  /* HW has no fetched frags */
 284         u32 rx_post_fail;       /* page post alloc failures */
 285         u32 rx_compl;
 286         u32 rx_mcast_pkts;
 287         u32 rx_compl_err;       /* completions with err set */
 288         struct u64_stats_sync sync;
 289 };
 290
 291 struct be_rx_compl_info {
 292         u32 rss_hash;
 293         u16 vlan_tag;
 294         u16 pkt_size;
 295         u16 port;
 296         u8 vlanf;
 297         u8 num_rcvd;
 298         u8 err;
 299         u8 ipf;
 300         u8 tcpf;
 301         u8 udpf;
 302         u8 ip_csum;
 303         u8 l4_csum;
 304         u8 ipv6;
 305         u8 qnq;
 306         u8 pkt_type;
 307         u8 ip_frag;
 308         u8 tunneled;
 309 };
 310
 311 struct be_rx_obj {
 312         struct be_adapter *adapter;
 313         struct be_queue_info q;
 314         struct be_queue_info cq;
 315         struct be_rx_compl_info rxcp;
 316         struct be_rx_page_info page_info_tbl[RX_Q_LEN];
 317         struct be_rx_stats stats;
 318         u8 rss_id;
 319         bool rx_post_starved;   /* Zero rx frags have been posted to BE */
 320 } ____cacheline_aligned_in_smp;
 321
 322 struct be_drv_stats {
 323         u32 eth_red_drops;
 324         u32 dma_map_errors;
 325         u32 rx_drops_no_pbuf;
 326         u32 rx_drops_no_txpb;
 327         u32 rx_drops_no_erx_descr;
 328         u32 rx_drops_no_tpre_descr;
 329         u32 rx_drops_too_many_frags;
 330         u32 forwarded_packets;
 331         u32 rx_drops_mtu;
 332         u32 rx_crc_errors;
 333         u32 rx_alignment_symbol_errors;
 334         u32 rx_pause_frames;
 335         u32 rx_priority_pause_frames;
 336         u32 rx_control_frames;
 337         u32 rx_in_range_errors;
 338         u32 rx_out_range_errors;
 339         u32 rx_frame_too_long;
 340         u32 rx_address_filtered;
 341         u32 rx_dropped_too_small;
 342         u32 rx_dropped_too_short;
 343         u32 rx_dropped_header_too_small;
 344         u32 rx_dropped_tcp_length;
 345         u32 rx_dropped_runt;
 346         u32 rx_ip_checksum_errs;
 347         u32 rx_tcp_checksum_errs;
 348         u32 rx_udp_checksum_errs;
 349         u32 tx_pauseframes;
 350         u32 tx_priority_pauseframes;
 351         u32 tx_controlframes;
 352         u32 rxpp_fifo_overflow_drop;
 353         u32 rx_input_fifo_overflow_drop;
 354         u32 pmem_fifo_overflow_drop;
 355         u32 jabber_events;
 356         u32 rx_roce_bytes_lsd;
 357         u32 rx_roce_bytes_msd;
 358         u32 rx_roce_frames;
 359         u32 roce_drops_payload_len;
 360         u32 roce_drops_crc;
 361 };
 362
 363 /* A vlan-id of 0xFFFF must be used to clear transparent vlan-tagging */
 364 #define BE_RESET_VLAN_TAG_ID    0xFFFF
 365
 366 struct be_vf_cfg {
 367         unsigned char mac_addr[ETH_ALEN];
 368         int if_handle;
 369         int pmac_id;
 370         u16 vlan_tag;
 371         u32 tx_rate;
 372         u32 plink_tracking;
 373         u32 privileges;
 374         bool spoofchk;
 375 };
 376
 377 enum vf_state {
 378         ENABLED = 0,
 379         ASSIGNED = 1
 380 };
 381
 382 #define BE_FLAGS_LINK_STATUS_INIT               BIT(1)
 383 #define BE_FLAGS_SRIOV_ENABLED                  BIT(2)
 384 #define BE_FLAGS_WORKER_SCHEDULED               BIT(3)
 385 #define BE_FLAGS_NAPI_ENABLED                   BIT(6)
 386 #define BE_FLAGS_QNQ_ASYNC_EVT_RCVD             BIT(7)
 387 #define BE_FLAGS_VXLAN_OFFLOADS                 BIT(8)
 388 #define BE_FLAGS_SETUP_DONE                     BIT(9)
 389 #define BE_FLAGS_EVT_INCOMPATIBLE_SFP           BIT(10)
 390 #define BE_FLAGS_ERR_DETECTION_SCHEDULED        BIT(11)
 391 #define BE_FLAGS_OS2BMC                         BIT(12)
 392
 393 #define BE_UC_PMAC_COUNT                        30
 394 #define BE_VF_UC_PMAC_COUNT                     2
 395
 396 /* Ethtool set_dump flags */
 397 #define LANCER_INITIATE_FW_DUMP                 0x1
 398 #define LANCER_DELETE_FW_DUMP                   0x2
 399
 400 struct phy_info {
 401 /* From SFF-8472 spec */
 402 #define SFP_VENDOR_NAME_LEN                     17
 403         u8 transceiver;
 404         u8 autoneg;
 405         u8 fc_autoneg;
 406         u8 port_type;
 407         u16 phy_type;
 408         u16 interface_type;
 409         u32 misc_params;
 410         u16 auto_speeds_supported;
 411         u16 fixed_speeds_supported;
 412         int link_speed;
 413         u32 advertising;
 414         u32 supported;
 415         u8 cable_type;
 416         u8 vendor_name[SFP_VENDOR_NAME_LEN];
 417         u8 vendor_pn[SFP_VENDOR_NAME_LEN];
 418 };
 419
 420 struct be_resources {
 421         u16 max_vfs;            /* Total VFs "really" supported by FW/HW */
 422         u16 max_mcast_mac;
 423         u16 max_tx_qs;
 424         u16 max_rss_qs;
 425         u16 max_rx_qs;
 426         u16 max_cq_count;
 427         u16 max_uc_mac;         /* Max UC MACs programmable */
 428         u16 max_vlans;          /* Number of vlans supported */
 429         u16 max_iface_count;
 430         u16 max_mcc_count;
 431         u16 max_evt_qs;
 432         u32 if_cap_flags;
 433         u32 vf_if_cap_flags;    /* VF if capability flags */
 434 };
 435
 436 #define be_is_os2bmc_enabled(adapter) (adapter->flags & BE_FLAGS_OS2BMC)
 437
 438 struct rss_info {
 439         u64 rss_flags;
 440         u8 rsstable[RSS_INDIR_TABLE_LEN];
 441         u8 rss_queue[RSS_INDIR_TABLE_LEN];
 442         u8 rss_hkey[RSS_HASH_KEY_LEN];
 443 };
 444
 445 #define BE_INVALID_DIE_TEMP     0xFF
 446 struct be_hwmon {
 447         struct device *hwmon_dev;
 448         u8 be_on_die_temp;  /* Unit: millidegree Celsius */
 449 };
 450
 451 /* Macros to read/write the 'features' word of be_wrb_params structure.
 452  */
 453 #define BE_WRB_F_BIT(name)                      BE_WRB_F_##name##_BIT
 454 #define BE_WRB_F_MASK(name)                     BIT_MASK(BE_WRB_F_##name##_BIT)
 455
 456 #define BE_WRB_F_GET(word, name)        \
 457         (((word) & (BE_WRB_F_MASK(name))) >> BE_WRB_F_BIT(name))
 458
 459 #define BE_WRB_F_SET(word, name, val)   \
 460         ((word) |= (((val) << BE_WRB_F_BIT(name)) & BE_WRB_F_MASK(name)))
 461
 462 /* Feature/offload bits */
 463 enum {
 464         BE_WRB_F_CRC_BIT,               /* Ethernet CRC */
 465         BE_WRB_F_IPCS_BIT,              /* IP csum */
 466         BE_WRB_F_TCPCS_BIT,             /* TCP csum */
 467         BE_WRB_F_UDPCS_BIT,             /* UDP csum */
 468         BE_WRB_F_LSO_BIT,               /* LSO */
 469         BE_WRB_F_LSO6_BIT,              /* LSO6 */
 470         BE_WRB_F_VLAN_BIT,              /* VLAN */
 471         BE_WRB_F_VLAN_SKIP_HW_BIT,      /* Skip VLAN tag (workaround) */
 472         BE_WRB_F_OS2BMC_BIT             /* Send packet to the management ring */
 473 };
 474
 475 /* The structure below provides a HW-agnostic abstraction of WRB params
 476  * retrieved from a TX skb. This is in turn passed to chip specific routines
 477  * during transmit, to set the corresponding params in the WRB.
 478  */
 479 struct be_wrb_params {
 480         u32 features;   /* Feature bits */
 481         u16 vlan_tag;   /* VLAN tag */
 482         u16 lso_mss;    /* MSS for LSO */
 483 };
 484
 485 struct be_adapter {
 486         struct pci_dev *pdev;
 487         struct net_device *netdev;
 488
 489         u8 __iomem *csr;        /* CSR BAR used only for BE2/3 */
 490         u8 __iomem *db;         /* Door Bell */
 491         u8 __iomem *pcicfg;     /* On SH,BEx only. Shadow of PCI config space */
 492
 493         struct mutex mbox_lock; /* For serializing mbox cmds to BE card */
 494         struct be_dma_mem mbox_mem;
 495         /* Mbox mem is adjusted to align to 16 bytes. The allocated addr
 496          * is stored for freeing purpose */
 497         struct be_dma_mem mbox_mem_alloced;
 498
 499         struct be_mcc_obj mcc_obj;
 500         spinlock_t mcc_lock;    /* For serializing mcc cmds to BE card */
 501         spinlock_t mcc_cq_lock;
 502
 503         u16 cfg_num_qs;         /* configured via set-channels */
 504         u16 num_evt_qs;
 505         u16 num_msix_vec;
 506         struct be_eq_obj eq_obj[MAX_EVT_QS];
 507         struct msix_entry msix_entries[MAX_MSIX_VECTORS];
 508         bool isr_registered;
 509
 510         /* TX Rings */
 511         u16 num_tx_qs;
 512         struct be_tx_obj tx_obj[MAX_TX_QS];
 513
 514         /* Rx rings */
 515         u16 num_rx_qs;
 516         u16 num_rss_qs;
 517         u16 need_def_rxq;
 518         struct be_rx_obj rx_obj[MAX_RX_QS];
 519         u32 big_page_size;      /* Compounded page size shared by rx wrbs */
 520
 521         struct be_drv_stats drv_stats;
 522         struct be_aic_obj aic_obj[MAX_EVT_QS];
 523         u8 vlan_prio_bmap;      /* Available Priority BitMap */
 524         u16 recommended_prio;   /* Recommended Priority */
 525         struct be_dma_mem rx_filter; /* Cmd DMA mem for rx-filter */
 526
 527         struct be_dma_mem stats_cmd;
 528         /* Work queue used to perform periodic tasks like getting statistics */
 529         struct delayed_work work;
 530         u16 work_counter;
 531
 532         struct delayed_work be_err_detection_work;
 533         u8 err_flags;
 534         u32 flags;
 535         u32 cmd_privileges;
 536         /* Ethtool knobs and info */
 537         char fw_ver[FW_VER_LEN];
 538         char fw_on_flash[FW_VER_LEN];
 539
 540         /* IFACE filtering fields */
 541         int if_handle;          /* Used to configure filtering */
 542         u32 if_flags;           /* Interface filtering flags */
 543         u32 *pmac_id;           /* MAC addr handle used by BE card */
 544         u32 uc_macs;            /* Count of secondary UC MAC programmed */
 545         unsigned long vids[BITS_TO_LONGS(VLAN_N_VID)];
 546         u16 vlans_added;
 547
 548         u32 beacon_state;       /* for set_phys_id */
 549
 550         bool eeh_error;
 551         bool fw_timeout;
 552         bool hw_error;
 553
 554         u32 port_num;
 555         char port_name;
 556         u8 mc_type;
 557         u32 function_mode;
 558         u32 function_caps;
 559         u32 rx_fc;              /* Rx flow control */
 560         u32 tx_fc;              /* Tx flow control */
 561         bool stats_cmd_sent;
 562         struct {
 563                 u32 size;
 564                 u32 total_size;
 565                 u64 io_addr;
 566         } roce_db;
 567         u32 num_msix_roce_vec;
 568         struct ocrdma_dev *ocrdma_dev;
 569         struct list_head entry;
 570
 571         u32 flash_status;
 572         struct completion et_cmd_compl;
 573
 574         struct be_resources pool_res;   /* resources available for the port */
 575         struct be_resources res;        /* resources available for the func */
 576         u16 num_vfs;                    /* Number of VFs provisioned by PF */
 577         u8 virtfn;
 578         struct be_vf_cfg *vf_cfg;
 579         bool be3_native;
 580         u32 sli_family;
 581         u8 hba_port_num;
 582         u16 pvid;
 583         __be16 vxlan_port;
 584         int vxlan_port_count;
 585         int vxlan_port_aliases;
 586         struct phy_info phy;
 587         u8 wol_cap;
 588         bool wol_en;
 589         u16 asic_rev;
 590         u16 qnq_vid;
 591         u32 msg_enable;
 592         int be_get_temp_freq;
 593         struct be_hwmon hwmon_info;
 594         u8 pf_number;
 595         u8 pci_func_num;
 596         struct rss_info rss_info;
 597         /* Filters for packets that need to be sent to BMC */
 598         u32 bmc_filt_mask;
 599         u16 serial_num[CNTL_SERIAL_NUM_WORDS];
 600 };
 601
 602 #define be_physfn(adapter)              (!adapter->virtfn)
 603 #define be_virtfn(adapter)              (adapter->virtfn)
 604 #define sriov_enabled(adapter)          (adapter->flags &       \
 605                                          BE_FLAGS_SRIOV_ENABLED)
 606
 607 #define for_all_vfs(adapter, vf_cfg, i)                                 \
 608         for (i = 0, vf_cfg = &adapter->vf_cfg[i]; i < adapter->num_vfs; \
 609                 i++, vf_cfg++)
 610
 611 #define ON                              1
 612 #define OFF                             0
 613
 614 #define be_max_vlans(adapter)           (adapter->res.max_vlans)
 615 #define be_max_uc(adapter)              (adapter->res.max_uc_mac)
 616 #define be_max_mc(adapter)              (adapter->res.max_mcast_mac)
 617 #define be_max_vfs(adapter)             (adapter->pool_res.max_vfs)
 618 #define be_max_rss(adapter)             (adapter->res.max_rss_qs)
 619 #define be_max_txqs(adapter)            (adapter->res.max_tx_qs)
 620 #define be_max_prio_txqs(adapter)       (adapter->res.max_prio_tx_qs)
 621 #define be_max_rxqs(adapter)            (adapter->res.max_rx_qs)
 622 #define be_max_eqs(adapter)             (adapter->res.max_evt_qs)
 623 #define be_if_cap_flags(adapter)        (adapter->res.if_cap_flags)
 624
 625 static inline u16 be_max_qs(struct be_adapter *adapter)
 626 {
 627         /* If no RSS, need atleast the one def RXQ */
 628         u16 num = max_t(u16, be_max_rss(adapter), 1);
 629
 630         num = min(num, be_max_eqs(adapter));
 631         return min_t(u16, num, num_online_cpus());
 632 }
 633
 634 /* Is BE in pvid_tagging mode */
 635 #define be_pvid_tagging_enabled(adapter)        (adapter->pvid)
 636
 637 /* Is BE in QNQ multi-channel mode */
 638 #define be_is_qnq_mode(adapter)         (adapter->function_mode & QNQ_MODE)
 639
 640 #define lancer_chip(adapter)    (adapter->pdev->device == OC_DEVICE_ID3 || \
 641                                  adapter->pdev->device == OC_DEVICE_ID4)
 642
 643 #define skyhawk_chip(adapter)   (adapter->pdev->device == OC_DEVICE_ID5 || \
 644                                  adapter->pdev->device == OC_DEVICE_ID6)
 645
 646 #define BE3_chip(adapter)       (adapter->pdev->device == BE_DEVICE_ID2 || \
 647                                  adapter->pdev->device == OC_DEVICE_ID2)
 648
 649 #define BE2_chip(adapter)       (adapter->pdev->device == BE_DEVICE_ID1 || \
 650                                  adapter->pdev->device == OC_DEVICE_ID1)
 651
 652 #define BEx_chip(adapter)       (BE3_chip(adapter) || BE2_chip(adapter))
 653
 654 #define be_roce_supported(adapter)      (skyhawk_chip(adapter) && \
 655                                         (adapter->function_mode & RDMA_ENABLED))
 656
 657 extern const struct ethtool_ops be_ethtool_ops;
 658
 659 #define msix_enabled(adapter)           (adapter->num_msix_vec > 0)
 660 #define num_irqs(adapter)               (msix_enabled(adapter) ?        \
 661                                                 adapter->num_msix_vec : 1)
 662 #define tx_stats(txo)                   (&(txo)->stats)
 663 #define rx_stats(rxo)                   (&(rxo)->stats)
 664
 665 /* The default RXQ is the last RXQ */
 666 #define default_rxo(adpt)               (&adpt->rx_obj[adpt->num_rx_qs - 1])
 667
 668 #define for_all_rx_queues(adapter, rxo, i)                              \
 669         for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs;  \
 670                 i++, rxo++)
 671
 672 #define for_all_rss_queues(adapter, rxo, i)                             \
 673         for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rss_qs; \
 674                 i++, rxo++)
 675
 676 #define for_all_tx_queues(adapter, txo, i)                              \
 677         for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs;  \
 678                 i++, txo++)
 679
 680 #define for_all_evt_queues(adapter, eqo, i)                             \
 681         for (i = 0, eqo = &adapter->eq_obj[i]; i < adapter->num_evt_qs; \
 682                 i++, eqo++)
 683
 684 #define for_all_rx_queues_on_eq(adapter, eqo, rxo, i)                   \
 685         for (i = eqo->idx, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs;\
 686                  i += adapter->num_evt_qs, rxo += adapter->num_evt_qs)
 687
 688 #define for_all_tx_queues_on_eq(adapter, eqo, txo, i)                   \
 689         for (i = eqo->idx, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs;\
 690                 i += adapter->num_evt_qs, txo += adapter->num_evt_qs)
 691
 692 #define is_mcc_eqo(eqo)                 (eqo->idx == 0)
 693 #define mcc_eqo(adapter)                (&adapter->eq_obj[0])
 694
 695 #define PAGE_SHIFT_4K           12
 696 #define PAGE_SIZE_4K            (1 << PAGE_SHIFT_4K)
 697
 698 /* Returns number of pages spanned by the data starting at the given addr */
 699 #define PAGES_4K_SPANNED(_address, size)                                \
 700                 ((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) +     \
 701                         (size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K))
 702
 703 /* Returns bit offset within a DWORD of a bitfield */
 704 #define AMAP_BIT_OFFSET(_struct, field)                                 \
 705                 (((size_t)&(((_struct *)0)->field))%32)
 706
 707 /* Returns the bit mask of the field that is NOT shifted into location. */
 708 static inline u32 amap_mask(u32 bitsize)
 709 {
 710         return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1);
 711 }
 712
 713 static inline void
 714 amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value)
 715 {
 716         u32 *dw = (u32 *) ptr + dw_offset;
 717         *dw &= ~(mask << offset);
 718         *dw |= (mask & value) << offset;
 719 }
 720
 721 #define AMAP_SET_BITS(_struct, field, ptr, val)                         \
 722                 amap_set(ptr,                                           \
 723                         offsetof(_struct, field)/32,                    \
 724                         amap_mask(sizeof(((_struct *)0)->field)),       \
 725                         AMAP_BIT_OFFSET(_struct, field),                \
 726                         val)
 727
 728 static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset)
 729 {
 730         u32 *dw = (u32 *) ptr;
 731         return mask & (*(dw + dw_offset) >> offset);
 732 }
 733
 734 #define AMAP_GET_BITS(_struct, field, ptr)                              \
 735                 amap_get(ptr,                                           \
 736                         offsetof(_struct, field)/32,                    \
 737                         amap_mask(sizeof(((_struct *)0)->field)),       \
 738                         AMAP_BIT_OFFSET(_struct, field))
 739
 740 #define GET_RX_COMPL_V0_BITS(field, ptr)                                \
 741                 AMAP_GET_BITS(struct amap_eth_rx_compl_v0, field, ptr)
 742
 743 #define GET_RX_COMPL_V1_BITS(field, ptr)                                \
 744                 AMAP_GET_BITS(struct amap_eth_rx_compl_v1, field, ptr)
 745
 746 #define GET_TX_COMPL_BITS(field, ptr)                                   \
 747                 AMAP_GET_BITS(struct amap_eth_tx_compl, field, ptr)
 748
 749 #define SET_TX_WRB_HDR_BITS(field, ptr, val)                            \
 750                 AMAP_SET_BITS(struct amap_eth_hdr_wrb, field, ptr, val)
 751
 752 #define be_dws_cpu_to_le(wrb, len)      swap_dws(wrb, len)
 753 #define be_dws_le_to_cpu(wrb, len)      swap_dws(wrb, len)
 754 static inline void swap_dws(void *wrb, int len)
 755 {
 756 #ifdef __BIG_ENDIAN
 757         u32 *dw = wrb;
 758         BUG_ON(len % 4);
 759         do {
 760                 *dw = cpu_to_le32(*dw);
 761                 dw++;
 762                 len -= 4;
 763         } while (len);
 764 #endif                          /* __BIG_ENDIAN */
 765 }
 766
 767 #define be_cmd_status(status)           (status > 0 ? -EIO : status)
 768
 769 static inline u8 is_tcp_pkt(struct sk_buff *skb)
 770 {
 771         u8 val = 0;
 772
 773         if (ip_hdr(skb)->version == 4)
 774                 val = (ip_hdr(skb)->protocol == IPPROTO_TCP);
 775         else if (ip_hdr(skb)->version == 6)
 776                 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP);
 777
 778         return val;
 779 }
 780
 781 static inline u8 is_udp_pkt(struct sk_buff *skb)
 782 {
 783         u8 val = 0;
 784
 785         if (ip_hdr(skb)->version == 4)
 786                 val = (ip_hdr(skb)->protocol == IPPROTO_UDP);
 787         else if (ip_hdr(skb)->version == 6)
 788                 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP);
 789
 790         return val;
 791 }
 792
 793 static inline bool is_ipv4_pkt(struct sk_buff *skb)
 794 {
 795         return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4;
 796 }
 797
 798 #define BE_ERROR_EEH            1
 799 #define BE_ERROR_UE             BIT(1)
 800 #define BE_ERROR_FW             BIT(2)
 801 #define BE_ERROR_HW             (BE_ERROR_EEH | BE_ERROR_UE)
 802 #define BE_ERROR_ANY            (BE_ERROR_EEH | BE_ERROR_UE | BE_ERROR_FW)
 803 #define BE_CLEAR_ALL            0xFF
 804
 805 static inline u8 be_check_error(struct be_adapter *adapter, u32 err_type)
 806 {
 807         return (adapter->err_flags & err_type);
 808 }
 809
 810 static inline void be_set_error(struct be_adapter *adapter, int err_type)
 811 {
 812         struct net_device *netdev = adapter->netdev;
 813
 814         adapter->err_flags |= err_type;
 815         netif_carrier_off(netdev);
 816
 817         dev_info(&adapter->pdev->dev, "%s: Link down\n", netdev->name);
 818 }
 819
 820 static inline void  be_clear_error(struct be_adapter *adapter, int err_type)
 821 {
 822         adapter->err_flags &= ~err_type;
 823 }
 824
 825 static inline bool be_multi_rxq(const struct be_adapter *adapter)
 826 {
 827         return adapter->num_rx_qs > 1;
 828 }
 829
 830 void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm,
 831                   u16 num_popped);
 832 void be_link_status_update(struct be_adapter *adapter, u8 link_status);
 833 void be_parse_stats(struct be_adapter *adapter);
 834 int be_load_fw(struct be_adapter *adapter, u8 *func);
 835 bool be_is_wol_supported(struct be_adapter *adapter);
 836 bool be_pause_supported(struct be_adapter *adapter);
 837 u32 be_get_fw_log_level(struct be_adapter *adapter);
 838 int be_update_queues(struct be_adapter *adapter);
 839 int be_poll(struct napi_struct *napi, int budget);
 840 void be_eqd_update(struct be_adapter *adapter, bool force_update);
 841
 842 /*
 843  * internal function to initialize-cleanup roce device.
 844  */
 845 void be_roce_dev_add(struct be_adapter *);
 846 void be_roce_dev_remove(struct be_adapter *);
 847
 848 /*
 849  * internal function to open-close roce device during ifup-ifdown.
 850  */
 851 void be_roce_dev_shutdown(struct be_adapter *);
 852
 853 #endif                          /* BE_H */