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

   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
  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
  34 #include "be_hw.h"
  35 #include "be_roce.h"
  36
  37 #define DRV_VER                 "4.9.134.0u"
  38 #define DRV_NAME                "be2net"
  39 #define BE_NAME                 "Emulex BladeEngine2"
  40 #define BE3_NAME                "Emulex BladeEngine3"
  41 #define OC_NAME                 "Emulex OneConnect"
  42 #define OC_NAME_BE              OC_NAME "(be3)"
  43 #define OC_NAME_LANCER          OC_NAME "(Lancer)"
  44 #define OC_NAME_SH              OC_NAME "(Skyhawk)"
  45 #define DRV_DESC                "Emulex OneConnect 10Gbps NIC Driver"
  46
  47 #define BE_VENDOR_ID            0x19a2
  48 #define EMULEX_VENDOR_ID        0x10df
  49 #define BE_DEVICE_ID1           0x211
  50 #define BE_DEVICE_ID2           0x221
  51 #define OC_DEVICE_ID1           0x700   /* Device Id for BE2 cards */
  52 #define OC_DEVICE_ID2           0x710   /* Device Id for BE3 cards */
  53 #define OC_DEVICE_ID3           0xe220  /* Device id for Lancer cards */
  54 #define OC_DEVICE_ID4           0xe228   /* Device id for VF in Lancer */
  55 #define OC_DEVICE_ID5           0x720   /* Device Id for Skyhawk cards */
  56 #define OC_DEVICE_ID6           0x728   /* Device id for VF in SkyHawk */
  57 #define OC_SUBSYS_DEVICE_ID1    0xE602
  58 #define OC_SUBSYS_DEVICE_ID2    0xE642
  59 #define OC_SUBSYS_DEVICE_ID3    0xE612
  60 #define OC_SUBSYS_DEVICE_ID4    0xE652
  61
  62 static inline char *nic_name(struct pci_dev *pdev)
  63 {
  64         switch (pdev->device) {
  65         case OC_DEVICE_ID1:
  66                 return OC_NAME;
  67         case OC_DEVICE_ID2:
  68                 return OC_NAME_BE;
  69         case OC_DEVICE_ID3:
  70         case OC_DEVICE_ID4:
  71                 return OC_NAME_LANCER;
  72         case BE_DEVICE_ID2:
  73                 return BE3_NAME;
  74         case OC_DEVICE_ID5:
  75         case OC_DEVICE_ID6:
  76                 return OC_NAME_SH;
  77         default:
  78                 return BE_NAME;
  79         }
  80 }
  81
  82 /* Number of bytes of an RX frame that are copied to skb->data */
  83 #define BE_HDR_LEN              ((u16) 64)
  84 /* allocate extra space to allow tunneling decapsulation without head reallocation */
  85 #define BE_RX_SKB_ALLOC_SIZE (BE_HDR_LEN + 64)
  86
  87 #define BE_MAX_JUMBO_FRAME_SIZE 9018
  88 #define BE_MIN_MTU              256
  89
  90 #define BE_NUM_VLANS_SUPPORTED  64
  91 #define BE_UMC_NUM_VLANS_SUPPORTED      15
  92 #define BE_MAX_EQD              96u
  93 #define BE_MAX_TX_FRAG_COUNT    30
  94
  95 #define EVNT_Q_LEN              1024
  96 #define TX_Q_LEN                2048
  97 #define TX_CQ_LEN               1024
  98 #define RX_Q_LEN                1024    /* Does not support any other value */
  99 #define RX_CQ_LEN               1024
 100 #define MCC_Q_LEN               128     /* total size not to exceed 8 pages */
 101 #define MCC_CQ_LEN              256
 102
 103 #define BE2_MAX_RSS_QS          4
 104 #define BE3_MAX_RSS_QS          16
 105 #define BE3_MAX_TX_QS           16
 106 #define BE3_MAX_EVT_QS          16
 107
 108 #define MAX_RX_QS               32
 109 #define MAX_EVT_QS              32
 110 #define MAX_TX_QS               32
 111
 112 #define MAX_ROCE_EQS            5
 113 #define MAX_MSIX_VECTORS        32
 114 #define MIN_MSIX_VECTORS        1
 115 #define BE_TX_BUDGET            256
 116 #define BE_NAPI_WEIGHT          64
 117 #define MAX_RX_POST             BE_NAPI_WEIGHT /* Frags posted at a time */
 118 #define RX_FRAGS_REFILL_WM      (RX_Q_LEN - MAX_RX_POST)
 119
 120 #define MAX_VFS                 30 /* Max VFs supported by BE3 FW */
 121 #define FW_VER_LEN              32
 122
 123 struct be_dma_mem {
 124         void *va;
 125         dma_addr_t dma;
 126         u32 size;
 127 };
 128
 129 struct be_queue_info {
 130         struct be_dma_mem dma_mem;
 131         u16 len;
 132         u16 entry_size; /* Size of an element in the queue */
 133         u16 id;
 134         u16 tail, head;
 135         bool created;
 136         atomic_t used;  /* Number of valid elements in the queue */
 137 };
 138
 139 static inline u32 MODULO(u16 val, u16 limit)
 140 {
 141         BUG_ON(limit & (limit - 1));
 142         return val & (limit - 1);
 143 }
 144
 145 static inline void index_adv(u16 *index, u16 val, u16 limit)
 146 {
 147         *index = MODULO((*index + val), limit);
 148 }
 149
 150 static inline void index_inc(u16 *index, u16 limit)
 151 {
 152         *index = MODULO((*index + 1), limit);
 153 }
 154
 155 static inline void *queue_head_node(struct be_queue_info *q)
 156 {
 157         return q->dma_mem.va + q->head * q->entry_size;
 158 }
 159
 160 static inline void *queue_tail_node(struct be_queue_info *q)
 161 {
 162         return q->dma_mem.va + q->tail * q->entry_size;
 163 }
 164
 165 static inline void *queue_index_node(struct be_queue_info *q, u16 index)
 166 {
 167         return q->dma_mem.va + index * q->entry_size;
 168 }
 169
 170 static inline void queue_head_inc(struct be_queue_info *q)
 171 {
 172         index_inc(&q->head, q->len);
 173 }
 174
 175 static inline void index_dec(u16 *index, u16 limit)
 176 {
 177         *index = MODULO((*index - 1), limit);
 178 }
 179
 180 static inline void queue_tail_inc(struct be_queue_info *q)
 181 {
 182         index_inc(&q->tail, q->len);
 183 }
 184
 185 struct be_eq_obj {
 186         struct be_queue_info q;
 187         char desc[32];
 188
 189         /* Adaptive interrupt coalescing (AIC) info */
 190         bool enable_aic;
 191         u32 min_eqd;            /* in usecs */
 192         u32 max_eqd;            /* in usecs */
 193         u32 eqd;                /* configured val when aic is off */
 194         u32 cur_eqd;            /* in usecs */
 195
 196         u8 idx;                 /* array index */
 197         u8 msix_idx;
 198         u16 tx_budget;
 199         u16 spurious_intr;
 200         struct napi_struct napi;
 201         struct be_adapter *adapter;
 202 } ____cacheline_aligned_in_smp;
 203
 204 struct be_mcc_obj {
 205         struct be_queue_info q;
 206         struct be_queue_info cq;
 207         bool rearm_cq;
 208 };
 209
 210 struct be_tx_stats {
 211         u64 tx_bytes;
 212         u64 tx_pkts;
 213         u64 tx_reqs;
 214         u64 tx_wrbs;
 215         u64 tx_compl;
 216         ulong tx_jiffies;
 217         u32 tx_stops;
 218         struct u64_stats_sync sync;
 219         struct u64_stats_sync sync_compl;
 220 };
 221
 222 struct be_tx_obj {
 223         u32 db_offset;
 224         struct be_queue_info q;
 225         struct be_queue_info cq;
 226         /* Remember the skbs that were transmitted */
 227         struct sk_buff *sent_skb_list[TX_Q_LEN];
 228         struct be_tx_stats stats;
 229 } ____cacheline_aligned_in_smp;
 230
 231 /* Struct to remember the pages posted for rx frags */
 232 struct be_rx_page_info {
 233         struct page *page;
 234         DEFINE_DMA_UNMAP_ADDR(bus);
 235         u16 page_offset;
 236         bool last_page_user;
 237 };
 238
 239 struct be_rx_stats {
 240         u64 rx_bytes;
 241         u64 rx_pkts;
 242         u64 rx_pkts_prev;
 243         ulong rx_jiffies;
 244         u32 rx_drops_no_skbs;   /* skb allocation errors */
 245         u32 rx_drops_no_frags;  /* HW has no fetched frags */
 246         u32 rx_post_fail;       /* page post alloc failures */
 247         u32 rx_compl;
 248         u32 rx_mcast_pkts;
 249         u32 rx_compl_err;       /* completions with err set */
 250         u32 rx_pps;             /* pkts per second */
 251         struct u64_stats_sync sync;
 252 };
 253
 254 struct be_rx_compl_info {
 255         u32 rss_hash;
 256         u16 vlan_tag;
 257         u16 pkt_size;
 258         u16 rxq_idx;
 259         u16 port;
 260         u8 vlanf;
 261         u8 num_rcvd;
 262         u8 err;
 263         u8 ipf;
 264         u8 tcpf;
 265         u8 udpf;
 266         u8 ip_csum;
 267         u8 l4_csum;
 268         u8 ipv6;
 269         u8 vtm;
 270         u8 pkt_type;
 271         u8 ip_frag;
 272 };
 273
 274 struct be_rx_obj {
 275         struct be_adapter *adapter;
 276         struct be_queue_info q;
 277         struct be_queue_info cq;
 278         struct be_rx_compl_info rxcp;
 279         struct be_rx_page_info page_info_tbl[RX_Q_LEN];
 280         struct be_rx_stats stats;
 281         u8 rss_id;
 282         bool rx_post_starved;   /* Zero rx frags have been posted to BE */
 283 } ____cacheline_aligned_in_smp;
 284
 285 struct be_drv_stats {
 286         u32 be_on_die_temperature;
 287         u32 eth_red_drops;
 288         u32 rx_drops_no_pbuf;
 289         u32 rx_drops_no_txpb;
 290         u32 rx_drops_no_erx_descr;
 291         u32 rx_drops_no_tpre_descr;
 292         u32 rx_drops_too_many_frags;
 293         u32 forwarded_packets;
 294         u32 rx_drops_mtu;
 295         u32 rx_crc_errors;
 296         u32 rx_alignment_symbol_errors;
 297         u32 rx_pause_frames;
 298         u32 rx_priority_pause_frames;
 299         u32 rx_control_frames;
 300         u32 rx_in_range_errors;
 301         u32 rx_out_range_errors;
 302         u32 rx_frame_too_long;
 303         u32 rx_address_filtered;
 304         u32 rx_dropped_too_small;
 305         u32 rx_dropped_too_short;
 306         u32 rx_dropped_header_too_small;
 307         u32 rx_dropped_tcp_length;
 308         u32 rx_dropped_runt;
 309         u32 rx_ip_checksum_errs;
 310         u32 rx_tcp_checksum_errs;
 311         u32 rx_udp_checksum_errs;
 312         u32 tx_pauseframes;
 313         u32 tx_priority_pauseframes;
 314         u32 tx_controlframes;
 315         u32 rxpp_fifo_overflow_drop;
 316         u32 rx_input_fifo_overflow_drop;
 317         u32 pmem_fifo_overflow_drop;
 318         u32 jabber_events;
 319 };
 320
 321 struct be_vf_cfg {
 322         unsigned char mac_addr[ETH_ALEN];
 323         int if_handle;
 324         int pmac_id;
 325         u16 def_vid;
 326         u16 vlan_tag;
 327         u32 tx_rate;
 328 };
 329
 330 enum vf_state {
 331         ENABLED = 0,
 332         ASSIGNED = 1
 333 };
 334
 335 #define BE_FLAGS_LINK_STATUS_INIT               1
 336 #define BE_FLAGS_WORKER_SCHEDULED               (1 << 3)
 337 #define BE_FLAGS_VLAN_PROMISC                   (1 << 4)
 338 #define BE_FLAGS_NAPI_ENABLED                   (1 << 9)
 339 #define BE_UC_PMAC_COUNT                30
 340 #define BE_VF_UC_PMAC_COUNT             2
 341 #define BE_FLAGS_QNQ_ASYNC_EVT_RCVD             (1 << 11)
 342
 343 /* Ethtool set_dump flags */
 344 #define LANCER_INITIATE_FW_DUMP                 0x1
 345
 346 struct phy_info {
 347         u8 transceiver;
 348         u8 autoneg;
 349         u8 fc_autoneg;
 350         u8 port_type;
 351         u16 phy_type;
 352         u16 interface_type;
 353         u32 misc_params;
 354         u16 auto_speeds_supported;
 355         u16 fixed_speeds_supported;
 356         int link_speed;
 357         u32 dac_cable_len;
 358         u32 advertising;
 359         u32 supported;
 360 };
 361
 362 struct be_resources {
 363         u16 max_vfs;            /* Total VFs "really" supported by FW/HW */
 364         u16 max_mcast_mac;
 365         u16 max_tx_qs;
 366         u16 max_rss_qs;
 367         u16 max_rx_qs;
 368         u16 max_uc_mac;         /* Max UC MACs programmable */
 369         u16 max_vlans;          /* Number of vlans supported */
 370         u16 max_evt_qs;
 371         u32 if_cap_flags;
 372 };
 373
 374 struct be_adapter {
 375         struct pci_dev *pdev;
 376         struct net_device *netdev;
 377
 378         u8 __iomem *csr;        /* CSR BAR used only for BE2/3 */
 379         u8 __iomem *db;         /* Door Bell */
 380
 381         struct mutex mbox_lock; /* For serializing mbox cmds to BE card */
 382         struct be_dma_mem mbox_mem;
 383         /* Mbox mem is adjusted to align to 16 bytes. The allocated addr
 384          * is stored for freeing purpose */
 385         struct be_dma_mem mbox_mem_alloced;
 386
 387         struct be_mcc_obj mcc_obj;
 388         spinlock_t mcc_lock;    /* For serializing mcc cmds to BE card */
 389         spinlock_t mcc_cq_lock;
 390
 391         u16 cfg_num_qs;         /* configured via set-channels */
 392         u16 num_evt_qs;
 393         u16 num_msix_vec;
 394         struct be_eq_obj eq_obj[MAX_EVT_QS];
 395         struct msix_entry msix_entries[MAX_MSIX_VECTORS];
 396         bool isr_registered;
 397
 398         /* TX Rings */
 399         u16 num_tx_qs;
 400         struct be_tx_obj tx_obj[MAX_TX_QS];
 401
 402         /* Rx rings */
 403         u16 num_rx_qs;
 404         struct be_rx_obj rx_obj[MAX_RX_QS];
 405         u32 big_page_size;      /* Compounded page size shared by rx wrbs */
 406
 407         struct be_drv_stats drv_stats;
 408         u16 vlans_added;
 409         u8 vlan_tag[VLAN_N_VID];
 410         u8 vlan_prio_bmap;      /* Available Priority BitMap */
 411         u16 recommended_prio;   /* Recommended Priority */
 412         struct be_dma_mem rx_filter; /* Cmd DMA mem for rx-filter */
 413
 414         struct be_dma_mem stats_cmd;
 415         /* Work queue used to perform periodic tasks like getting statistics */
 416         struct delayed_work work;
 417         u16 work_counter;
 418
 419         struct delayed_work func_recovery_work;
 420         u32 flags;
 421         u32 cmd_privileges;
 422         /* Ethtool knobs and info */
 423         char fw_ver[FW_VER_LEN];
 424         char fw_on_flash[FW_VER_LEN];
 425         int if_handle;          /* Used to configure filtering */
 426         u32 *pmac_id;           /* MAC addr handle used by BE card */
 427         u32 beacon_state;       /* for set_phys_id */
 428
 429         bool eeh_error;
 430         bool fw_timeout;
 431         bool hw_error;
 432
 433         u32 port_num;
 434         bool promiscuous;
 435         u32 function_mode;
 436         u32 function_caps;
 437         u32 rx_fc;              /* Rx flow control */
 438         u32 tx_fc;              /* Tx flow control */
 439         bool stats_cmd_sent;
 440         u32 if_type;
 441         struct {
 442                 u32 size;
 443                 u32 total_size;
 444                 u64 io_addr;
 445         } roce_db;
 446         u32 num_msix_roce_vec;
 447         struct ocrdma_dev *ocrdma_dev;
 448         struct list_head entry;
 449
 450         u32 flash_status;
 451         struct completion flash_compl;
 452
 453         struct be_resources res;        /* resources available for the func */
 454         u16 num_vfs;                    /* Number of VFs provisioned by PF */
 455         u8 virtfn;
 456         struct be_vf_cfg *vf_cfg;
 457         bool be3_native;
 458         u32 sli_family;
 459         u8 hba_port_num;
 460         u16 pvid;
 461         struct phy_info phy;
 462         u8 wol_cap;
 463         bool wol;
 464         u32 uc_macs;            /* Count of secondary UC MAC programmed */
 465         u16 asic_rev;
 466         u16 qnq_vid;
 467         u32 msg_enable;
 468         int be_get_temp_freq;
 469         u8 pf_number;
 470         u64 rss_flags;
 471 };
 472
 473 #define be_physfn(adapter)              (!adapter->virtfn)
 474 #define sriov_enabled(adapter)          (adapter->num_vfs > 0)
 475 #define sriov_want(adapter)             (be_max_vfs(adapter) && num_vfs && \
 476                                          be_physfn(adapter))
 477 #define for_all_vfs(adapter, vf_cfg, i)                                 \
 478         for (i = 0, vf_cfg = &adapter->vf_cfg[i]; i < adapter->num_vfs; \
 479                 i++, vf_cfg++)
 480
 481 #define ON                              1
 482 #define OFF                             0
 483
 484 #define be_max_vlans(adapter)           (adapter->res.max_vlans)
 485 #define be_max_uc(adapter)              (adapter->res.max_uc_mac)
 486 #define be_max_mc(adapter)              (adapter->res.max_mcast_mac)
 487 #define be_max_vfs(adapter)             (adapter->res.max_vfs)
 488 #define be_max_rss(adapter)             (adapter->res.max_rss_qs)
 489 #define be_max_txqs(adapter)            (adapter->res.max_tx_qs)
 490 #define be_max_prio_txqs(adapter)       (adapter->res.max_prio_tx_qs)
 491 #define be_max_rxqs(adapter)            (adapter->res.max_rx_qs)
 492 #define be_max_eqs(adapter)             (adapter->res.max_evt_qs)
 493 #define be_if_cap_flags(adapter)        (adapter->res.if_cap_flags)
 494
 495 static inline u16 be_max_qs(struct be_adapter *adapter)
 496 {
 497         /* If no RSS, need atleast the one def RXQ */
 498         u16 num = max_t(u16, be_max_rss(adapter), 1);
 499
 500         num = min(num, be_max_eqs(adapter));
 501         return min_t(u16, num, num_online_cpus());
 502 }
 503
 504 #define lancer_chip(adapter)    (adapter->pdev->device == OC_DEVICE_ID3 || \
 505                                  adapter->pdev->device == OC_DEVICE_ID4)
 506
 507 #define skyhawk_chip(adapter)   (adapter->pdev->device == OC_DEVICE_ID5 || \
 508                                  adapter->pdev->device == OC_DEVICE_ID6)
 509
 510 #define BE3_chip(adapter)       (adapter->pdev->device == BE_DEVICE_ID2 || \
 511                                  adapter->pdev->device == OC_DEVICE_ID2)
 512
 513 #define BE2_chip(adapter)       (adapter->pdev->device == BE_DEVICE_ID1 || \
 514                                  adapter->pdev->device == OC_DEVICE_ID1)
 515
 516 #define BEx_chip(adapter)       (BE3_chip(adapter) || BE2_chip(adapter))
 517
 518 #define be_roce_supported(adapter)      (skyhawk_chip(adapter) && \
 519                                         (adapter->function_mode & RDMA_ENABLED))
 520
 521 extern const struct ethtool_ops be_ethtool_ops;
 522
 523 #define msix_enabled(adapter)           (adapter->num_msix_vec > 0)
 524 #define num_irqs(adapter)               (msix_enabled(adapter) ?        \
 525                                                 adapter->num_msix_vec : 1)
 526 #define tx_stats(txo)                   (&(txo)->stats)
 527 #define rx_stats(rxo)                   (&(rxo)->stats)
 528
 529 /* The default RXQ is the last RXQ */
 530 #define default_rxo(adpt)               (&adpt->rx_obj[adpt->num_rx_qs - 1])
 531
 532 #define for_all_rx_queues(adapter, rxo, i)                              \
 533         for (i = 0, rxo = &adapter->rx_obj[i]; i < adapter->num_rx_qs;  \
 534                 i++, rxo++)
 535
 536 /* Skip the default non-rss queue (last one)*/
 537 #define for_all_rss_queues(adapter, rxo, i)                             \
 538         for (i = 0, rxo = &adapter->rx_obj[i]; i < (adapter->num_rx_qs - 1);\
 539                 i++, rxo++)
 540
 541 #define for_all_tx_queues(adapter, txo, i)                              \
 542         for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs;  \
 543                 i++, txo++)
 544
 545 #define for_all_evt_queues(adapter, eqo, i)                             \
 546         for (i = 0, eqo = &adapter->eq_obj[i]; i < adapter->num_evt_qs; \
 547                 i++, eqo++)
 548
 549 #define is_mcc_eqo(eqo)                 (eqo->idx == 0)
 550 #define mcc_eqo(adapter)                (&adapter->eq_obj[0])
 551
 552 #define PAGE_SHIFT_4K           12
 553 #define PAGE_SIZE_4K            (1 << PAGE_SHIFT_4K)
 554
 555 /* Returns number of pages spanned by the data starting at the given addr */
 556 #define PAGES_4K_SPANNED(_address, size)                                \
 557                 ((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) +     \
 558                         (size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K))
 559
 560 /* Returns bit offset within a DWORD of a bitfield */
 561 #define AMAP_BIT_OFFSET(_struct, field)                                 \
 562                 (((size_t)&(((_struct *)0)->field))%32)
 563
 564 /* Returns the bit mask of the field that is NOT shifted into location. */
 565 static inline u32 amap_mask(u32 bitsize)
 566 {
 567         return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1);
 568 }
 569
 570 static inline void
 571 amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value)
 572 {
 573         u32 *dw = (u32 *) ptr + dw_offset;
 574         *dw &= ~(mask << offset);
 575         *dw |= (mask & value) << offset;
 576 }
 577
 578 #define AMAP_SET_BITS(_struct, field, ptr, val)                         \
 579                 amap_set(ptr,                                           \
 580                         offsetof(_struct, field)/32,                    \
 581                         amap_mask(sizeof(((_struct *)0)->field)),       \
 582                         AMAP_BIT_OFFSET(_struct, field),                \
 583                         val)
 584
 585 static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset)
 586 {
 587         u32 *dw = (u32 *) ptr;
 588         return mask & (*(dw + dw_offset) >> offset);
 589 }
 590
 591 #define AMAP_GET_BITS(_struct, field, ptr)                              \
 592                 amap_get(ptr,                                           \
 593                         offsetof(_struct, field)/32,                    \
 594                         amap_mask(sizeof(((_struct *)0)->field)),       \
 595                         AMAP_BIT_OFFSET(_struct, field))
 596
 597 #define be_dws_cpu_to_le(wrb, len)      swap_dws(wrb, len)
 598 #define be_dws_le_to_cpu(wrb, len)      swap_dws(wrb, len)
 599 static inline void swap_dws(void *wrb, int len)
 600 {
 601 #ifdef __BIG_ENDIAN
 602         u32 *dw = wrb;
 603         BUG_ON(len % 4);
 604         do {
 605                 *dw = cpu_to_le32(*dw);
 606                 dw++;
 607                 len -= 4;
 608         } while (len);
 609 #endif                          /* __BIG_ENDIAN */
 610 }
 611
 612 static inline u8 is_tcp_pkt(struct sk_buff *skb)
 613 {
 614         u8 val = 0;
 615
 616         if (ip_hdr(skb)->version == 4)
 617                 val = (ip_hdr(skb)->protocol == IPPROTO_TCP);
 618         else if (ip_hdr(skb)->version == 6)
 619                 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP);
 620
 621         return val;
 622 }
 623
 624 static inline u8 is_udp_pkt(struct sk_buff *skb)
 625 {
 626         u8 val = 0;
 627
 628         if (ip_hdr(skb)->version == 4)
 629                 val = (ip_hdr(skb)->protocol == IPPROTO_UDP);
 630         else if (ip_hdr(skb)->version == 6)
 631                 val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP);
 632
 633         return val;
 634 }
 635
 636 static inline bool is_ipv4_pkt(struct sk_buff *skb)
 637 {
 638         return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4;
 639 }
 640
 641 static inline void be_vf_eth_addr_generate(struct be_adapter *adapter, u8 *mac)
 642 {
 643         u32 addr;
 644
 645         addr = jhash(adapter->netdev->dev_addr, ETH_ALEN, 0);
 646
 647         mac[5] = (u8)(addr & 0xFF);
 648         mac[4] = (u8)((addr >> 8) & 0xFF);
 649         mac[3] = (u8)((addr >> 16) & 0xFF);
 650         /* Use the OUI from the current MAC address */
 651         memcpy(mac, adapter->netdev->dev_addr, 3);
 652 }
 653
 654 static inline bool be_multi_rxq(const struct be_adapter *adapter)
 655 {
 656         return adapter->num_rx_qs > 1;
 657 }
 658
 659 static inline bool be_error(struct be_adapter *adapter)
 660 {
 661         return adapter->eeh_error || adapter->hw_error || adapter->fw_timeout;
 662 }
 663
 664 static inline bool be_hw_error(struct be_adapter *adapter)
 665 {
 666         return adapter->eeh_error || adapter->hw_error;
 667 }
 668
 669 static inline void  be_clear_all_error(struct be_adapter *adapter)
 670 {
 671         adapter->eeh_error = false;
 672         adapter->hw_error = false;
 673         adapter->fw_timeout = false;
 674 }
 675
 676 static inline bool be_is_wol_excluded(struct be_adapter *adapter)
 677 {
 678         struct pci_dev *pdev = adapter->pdev;
 679
 680         if (!be_physfn(adapter))
 681                 return true;
 682
 683         switch (pdev->subsystem_device) {
 684         case OC_SUBSYS_DEVICE_ID1:
 685         case OC_SUBSYS_DEVICE_ID2:
 686         case OC_SUBSYS_DEVICE_ID3:
 687         case OC_SUBSYS_DEVICE_ID4:
 688                 return true;
 689         default:
 690                 return false;
 691         }
 692 }
 693
 694 static inline int qnq_async_evt_rcvd(struct be_adapter *adapter)
 695 {
 696         return adapter->flags & BE_FLAGS_QNQ_ASYNC_EVT_RCVD;
 697 }
 698
 699 extern void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm,
 700                 u16 num_popped);
 701 extern void be_link_status_update(struct be_adapter *adapter, u8 link_status);
 702 extern void be_parse_stats(struct be_adapter *adapter);
 703 extern int be_load_fw(struct be_adapter *adapter, u8 *func);
 704 extern bool be_is_wol_supported(struct be_adapter *adapter);
 705 extern bool be_pause_supported(struct be_adapter *adapter);
 706 extern u32 be_get_fw_log_level(struct be_adapter *adapter);
 707 int be_update_queues(struct be_adapter *adapter);
 708 int be_poll(struct napi_struct *napi, int budget);
 709
 710 /*
 711  * internal function to initialize-cleanup roce device.
 712  */
 713 extern void be_roce_dev_add(struct be_adapter *);
 714 extern void be_roce_dev_remove(struct be_adapter *);
 715
 716 /*
 717  * internal function to open-close roce device during ifup-ifdown.
 718  */
 719 extern void be_roce_dev_open(struct be_adapter *);
 720 extern void be_roce_dev_close(struct be_adapter *);
 721
 722 #endif                          /* BE_H */