drivers/infiniband/hw/irdma/main.h

   1 /* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */
   2 /* Copyright (c) 2015 - 2021 Intel Corporation */
   3 #ifndef IRDMA_MAIN_H
   4 #define IRDMA_MAIN_H
   5
   6 #include <linux/ip.h>
   7 #include <linux/tcp.h>
   8 #include <linux/if_vlan.h>
   9 #include <net/addrconf.h>
  10 #include <net/netevent.h>
  11 #include <net/tcp.h>
  12 #include <net/ip6_route.h>
  13 #include <net/flow.h>
  14 #include <net/secure_seq.h>
  15 #include <linux/netdevice.h>
  16 #include <linux/etherdevice.h>
  17 #include <linux/inetdevice.h>
  18 #include <linux/spinlock.h>
  19 #include <linux/kernel.h>
  20 #include <linux/delay.h>
  21 #include <linux/pci.h>
  22 #include <linux/dma-mapping.h>
  23 #include <linux/workqueue.h>
  24 #include <linux/slab.h>
  25 #include <linux/io.h>
  26 #include <linux/crc32c.h>
  27 #include <linux/kthread.h>
  28 #ifndef CONFIG_64BIT
  29 #include <linux/io-64-nonatomic-lo-hi.h>
  30 #endif
  31 #include <linux/auxiliary_bus.h>
  32 #include <linux/net/intel/iidc.h>
  33 #include <crypto/hash.h>
  34 #include <rdma/ib_smi.h>
  35 #include <rdma/ib_verbs.h>
  36 #include <rdma/ib_pack.h>
  37 #include <rdma/rdma_cm.h>
  38 #include <rdma/iw_cm.h>
  39 #include <rdma/ib_user_verbs.h>
  40 #include <rdma/ib_umem.h>
  41 #include <rdma/ib_cache.h>
  42 #include <rdma/uverbs_ioctl.h>
  43 #include "status.h"
  44 #include "osdep.h"
  45 #include "defs.h"
  46 #include "hmc.h"
  47 #include "type.h"
  48 #include "ws.h"
  49 #include "protos.h"
  50 #include "pble.h"
  51 #include "cm.h"
  52 #include <rdma/irdma-abi.h>
  53 #include "verbs.h"
  54 #include "user.h"
  55 #include "puda.h"
  56
  57 extern struct auxiliary_driver i40iw_auxiliary_drv;
  58
  59 #define IRDMA_FW_VER_DEFAULT    2
  60 #define IRDMA_HW_VER            2
  61
  62 #define IRDMA_ARP_ADD           1
  63 #define IRDMA_ARP_DELETE        2
  64 #define IRDMA_ARP_RESOLVE       3
  65
  66 #define IRDMA_MACIP_ADD         1
  67 #define IRDMA_MACIP_DELETE      2
  68
  69 #define IW_CCQ_SIZE     (IRDMA_CQP_SW_SQSIZE_2048 + 1)
  70 #define IW_CEQ_SIZE     2048
  71 #define IW_AEQ_SIZE     2048
  72
  73 #define RX_BUF_SIZE     (1536 + 8)
  74 #define IW_REG0_SIZE    (4 * 1024)
  75 #define IW_TX_TIMEOUT   (6 * HZ)
  76 #define IW_FIRST_QPN    1
  77
  78 #define IW_SW_CONTEXT_ALIGN     1024
  79
  80 #define MAX_DPC_ITERATIONS      128
  81
  82 #define IRDMA_EVENT_TIMEOUT             50000
  83 #define IRDMA_VCHNL_EVENT_TIMEOUT       100000
  84 #define IRDMA_RST_TIMEOUT_HZ            4
  85
  86 #define IRDMA_NO_QSET   0xffff
  87
  88 #define IW_CFG_FPM_QP_COUNT             32768
  89 #define IRDMA_MAX_PAGES_PER_FMR         512
  90 #define IRDMA_MIN_PAGES_PER_FMR         1
  91 #define IRDMA_CQP_COMPL_RQ_WQE_FLUSHED  2
  92 #define IRDMA_CQP_COMPL_SQ_WQE_FLUSHED  3
  93
  94 #define IRDMA_Q_TYPE_PE_AEQ     0x80
  95 #define IRDMA_Q_INVALID_IDX     0xffff
  96 #define IRDMA_REM_ENDPOINT_TRK_QPID     3
  97
  98 #define IRDMA_DRV_OPT_ENA_MPA_VER_0             0x00000001
  99 #define IRDMA_DRV_OPT_DISABLE_MPA_CRC           0x00000002
 100 #define IRDMA_DRV_OPT_DISABLE_FIRST_WRITE       0x00000004
 101 #define IRDMA_DRV_OPT_DISABLE_INTF              0x00000008
 102 #define IRDMA_DRV_OPT_ENA_MSI                   0x00000010
 103 #define IRDMA_DRV_OPT_DUAL_LOGICAL_PORT         0x00000020
 104 #define IRDMA_DRV_OPT_NO_INLINE_DATA            0x00000080
 105 #define IRDMA_DRV_OPT_DISABLE_INT_MOD           0x00000100
 106 #define IRDMA_DRV_OPT_DISABLE_VIRT_WQ           0x00000200
 107 #define IRDMA_DRV_OPT_ENA_PAU                   0x00000400
 108 #define IRDMA_DRV_OPT_MCAST_LOGPORT_MAP         0x00000800
 109
 110 #define IW_HMC_OBJ_TYPE_NUM     ARRAY_SIZE(iw_hmc_obj_types)
 111 #define IRDMA_ROCE_CWND_DEFAULT                 0x400
 112 #define IRDMA_ROCE_ACKCREDS_DEFAULT             0x1E
 113
 114 #define IRDMA_FLUSH_SQ          BIT(0)
 115 #define IRDMA_FLUSH_RQ          BIT(1)
 116 #define IRDMA_REFLUSH           BIT(2)
 117 #define IRDMA_FLUSH_WAIT        BIT(3)
 118
 119 enum init_completion_state {
 120         INVALID_STATE = 0,
 121         INITIAL_STATE,
 122         CQP_CREATED,
 123         HMC_OBJS_CREATED,
 124         HW_RSRC_INITIALIZED,
 125         CCQ_CREATED,
 126         CEQ0_CREATED, /* Last state of probe */
 127         ILQ_CREATED,
 128         IEQ_CREATED,
 129         CEQS_CREATED,
 130         PBLE_CHUNK_MEM,
 131         AEQ_CREATED,
 132         IP_ADDR_REGISTERED,  /* Last state of open */
 133 };
 134
 135 struct irdma_rsrc_limits {
 136         u32 qplimit;
 137         u32 mrlimit;
 138         u32 cqlimit;
 139 };
 140
 141 struct irdma_cqp_err_info {
 142         u16 maj;
 143         u16 min;
 144         const char *desc;
 145 };
 146
 147 struct irdma_cqp_compl_info {
 148         u32 op_ret_val;
 149         u16 maj_err_code;
 150         u16 min_err_code;
 151         bool error;
 152         u8 op_code;
 153 };
 154
 155 struct irdma_cqp_request {
 156         struct cqp_cmds_info info;
 157         wait_queue_head_t waitq;
 158         struct list_head list;
 159         refcount_t refcnt;
 160         void (*callback_fcn)(struct irdma_cqp_request *cqp_request);
 161         void *param;
 162         struct irdma_cqp_compl_info compl_info;
 163         bool waiting:1;
 164         bool request_done:1;
 165         bool dynamic:1;
 166 };
 167
 168 struct irdma_cqp {
 169         struct irdma_sc_cqp sc_cqp;
 170         spinlock_t req_lock; /* protect CQP request list */
 171         spinlock_t compl_lock; /* protect CQP completion processing */
 172         wait_queue_head_t waitq;
 173         wait_queue_head_t remove_wq;
 174         struct irdma_dma_mem sq;
 175         struct irdma_dma_mem host_ctx;
 176         u64 *scratch_array;
 177         struct irdma_cqp_request *cqp_requests;
 178         struct list_head cqp_avail_reqs;
 179         struct list_head cqp_pending_reqs;
 180 };
 181
 182 struct irdma_ccq {
 183         struct irdma_sc_cq sc_cq;
 184         struct irdma_dma_mem mem_cq;
 185         struct irdma_dma_mem shadow_area;
 186 };
 187
 188 struct irdma_ceq {
 189         struct irdma_sc_ceq sc_ceq;
 190         struct irdma_dma_mem mem;
 191         u32 irq;
 192         u32 msix_idx;
 193         struct irdma_pci_f *rf;
 194         struct tasklet_struct dpc_tasklet;
 195         spinlock_t ce_lock; /* sync cq destroy with cq completion event notification */
 196 };
 197
 198 struct irdma_aeq {
 199         struct irdma_sc_aeq sc_aeq;
 200         struct irdma_dma_mem mem;
 201         struct irdma_pble_alloc palloc;
 202         bool virtual_map;
 203 };
 204
 205 struct irdma_arp_entry {
 206         u32 ip_addr[4];
 207         u8 mac_addr[ETH_ALEN];
 208 };
 209
 210 struct irdma_msix_vector {
 211         u32 idx;
 212         u32 irq;
 213         u32 cpu_affinity;
 214         u32 ceq_id;
 215         cpumask_t mask;
 216 };
 217
 218 struct irdma_mc_table_info {
 219         u32 mgn;
 220         u32 dest_ip[4];
 221         bool lan_fwd:1;
 222         bool ipv4_valid:1;
 223 };
 224
 225 struct mc_table_list {
 226         struct list_head list;
 227         struct irdma_mc_table_info mc_info;
 228         struct irdma_mcast_grp_info mc_grp_ctx;
 229 };
 230
 231 struct irdma_qv_info {
 232         u32 v_idx; /* msix_vector */
 233         u16 ceq_idx;
 234         u16 aeq_idx;
 235         u8 itr_idx;
 236 };
 237
 238 struct irdma_qvlist_info {
 239         u32 num_vectors;
 240         struct irdma_qv_info qv_info[1];
 241 };
 242
 243 struct irdma_gen_ops {
 244         void (*request_reset)(struct irdma_pci_f *rf);
 245         enum irdma_status_code (*register_qset)(struct irdma_sc_vsi *vsi,
 246                                                 struct irdma_ws_node *tc_node);
 247         void (*unregister_qset)(struct irdma_sc_vsi *vsi,
 248                                 struct irdma_ws_node *tc_node);
 249 };
 250
 251 struct irdma_pci_f {
 252         bool reset:1;
 253         bool rsrc_created:1;
 254         bool msix_shared:1;
 255         u8 rsrc_profile;
 256         u8 *hmc_info_mem;
 257         u8 *mem_rsrc;
 258         u8 rdma_ver;
 259         u8 rst_to;
 260         enum irdma_protocol_used protocol_used;
 261         u32 sd_type;
 262         u32 msix_count;
 263         u32 max_mr;
 264         u32 max_qp;
 265         u32 max_cq;
 266         u32 max_ah;
 267         u32 next_ah;
 268         u32 max_mcg;
 269         u32 next_mcg;
 270         u32 max_pd;
 271         u32 next_qp;
 272         u32 next_cq;
 273         u32 next_pd;
 274         u32 max_mr_size;
 275         u32 max_cqe;
 276         u32 mr_stagmask;
 277         u32 used_pds;
 278         u32 used_cqs;
 279         u32 used_mrs;
 280         u32 used_qps;
 281         u32 arp_table_size;
 282         u32 next_arp_index;
 283         u32 ceqs_count;
 284         u32 next_ws_node_id;
 285         u32 max_ws_node_id;
 286         u32 limits_sel;
 287         unsigned long *allocated_ws_nodes;
 288         unsigned long *allocated_qps;
 289         unsigned long *allocated_cqs;
 290         unsigned long *allocated_mrs;
 291         unsigned long *allocated_pds;
 292         unsigned long *allocated_mcgs;
 293         unsigned long *allocated_ahs;
 294         unsigned long *allocated_arps;
 295         enum init_completion_state init_state;
 296         struct irdma_sc_dev sc_dev;
 297         struct pci_dev *pcidev;
 298         void *cdev;
 299         struct irdma_hw hw;
 300         struct irdma_cqp cqp;
 301         struct irdma_ccq ccq;
 302         struct irdma_aeq aeq;
 303         struct irdma_ceq *ceqlist;
 304         struct irdma_hmc_pble_rsrc *pble_rsrc;
 305         struct irdma_arp_entry *arp_table;
 306         spinlock_t arp_lock; /*protect ARP table access*/
 307         spinlock_t rsrc_lock; /* protect HW resource array access */
 308         spinlock_t qptable_lock; /*protect QP table access*/
 309         struct irdma_qp **qp_table;
 310         spinlock_t qh_list_lock; /* protect mc_qht_list */
 311         struct mc_table_list mc_qht_list;
 312         struct irdma_msix_vector *iw_msixtbl;
 313         struct irdma_qvlist_info *iw_qvlist;
 314         struct tasklet_struct dpc_tasklet;
 315         struct msix_entry *msix_entries;
 316         struct irdma_dma_mem obj_mem;
 317         struct irdma_dma_mem obj_next;
 318         atomic_t vchnl_msgs;
 319         wait_queue_head_t vchnl_waitq;
 320         struct workqueue_struct *cqp_cmpl_wq;
 321         struct work_struct cqp_cmpl_work;
 322         struct irdma_sc_vsi default_vsi;
 323         void *back_fcn;
 324         struct irdma_gen_ops gen_ops;
 325         struct irdma_device *iwdev;
 326 };
 327
 328 struct irdma_device {
 329         struct ib_device ibdev;
 330         struct irdma_pci_f *rf;
 331         struct net_device *netdev;
 332         struct workqueue_struct *cleanup_wq;
 333         struct irdma_sc_vsi vsi;
 334         struct irdma_cm_core cm_core;
 335         u32 roce_cwnd;
 336         u32 roce_ackcreds;
 337         u32 vendor_id;
 338         u32 vendor_part_id;
 339         u32 device_cap_flags;
 340         u32 push_mode;
 341         u32 rcv_wnd;
 342         u16 mac_ip_table_idx;
 343         u16 vsi_num;
 344         u8 rcv_wscale;
 345         u8 iw_status;
 346         bool roce_mode:1;
 347         bool roce_dcqcn_en:1;
 348         bool dcb:1;
 349         bool iw_ooo:1;
 350         enum init_completion_state init_state;
 351
 352         wait_queue_head_t suspend_wq;
 353 };
 354
 355 static inline struct irdma_device *to_iwdev(struct ib_device *ibdev)
 356 {
 357         return container_of(ibdev, struct irdma_device, ibdev);
 358 }
 359
 360 static inline struct irdma_ucontext *to_ucontext(struct ib_ucontext *ibucontext)
 361 {
 362         return container_of(ibucontext, struct irdma_ucontext, ibucontext);
 363 }
 364
 365 static inline struct irdma_user_mmap_entry *
 366 to_irdma_mmap_entry(struct rdma_user_mmap_entry *rdma_entry)
 367 {
 368         return container_of(rdma_entry, struct irdma_user_mmap_entry,
 369                             rdma_entry);
 370 }
 371
 372 static inline struct irdma_pd *to_iwpd(struct ib_pd *ibpd)
 373 {
 374         return container_of(ibpd, struct irdma_pd, ibpd);
 375 }
 376
 377 static inline struct irdma_ah *to_iwah(struct ib_ah *ibah)
 378 {
 379         return container_of(ibah, struct irdma_ah, ibah);
 380 }
 381
 382 static inline struct irdma_mr *to_iwmr(struct ib_mr *ibmr)
 383 {
 384         return container_of(ibmr, struct irdma_mr, ibmr);
 385 }
 386
 387 static inline struct irdma_mr *to_iwmw(struct ib_mw *ibmw)
 388 {
 389         return container_of(ibmw, struct irdma_mr, ibmw);
 390 }
 391
 392 static inline struct irdma_cq *to_iwcq(struct ib_cq *ibcq)
 393 {
 394         return container_of(ibcq, struct irdma_cq, ibcq);
 395 }
 396
 397 static inline struct irdma_qp *to_iwqp(struct ib_qp *ibqp)
 398 {
 399         return container_of(ibqp, struct irdma_qp, ibqp);
 400 }
 401
 402 static inline struct irdma_pci_f *dev_to_rf(struct irdma_sc_dev *dev)
 403 {
 404         return container_of(dev, struct irdma_pci_f, sc_dev);
 405 }
 406
 407 /**
 408  * irdma_alloc_resource - allocate a resource
 409  * @iwdev: device pointer
 410  * @resource_array: resource bit array:
 411  * @max_resources: maximum resource number
 412  * @req_resources_num: Allocated resource number
 413  * @next: next free id
 414  **/
 415 static inline int irdma_alloc_rsrc(struct irdma_pci_f *rf,
 416                                    unsigned long *rsrc_array, u32 max_rsrc,
 417                                    u32 *req_rsrc_num, u32 *next)
 418 {
 419         u32 rsrc_num;
 420         unsigned long flags;
 421
 422         spin_lock_irqsave(&rf->rsrc_lock, flags);
 423         rsrc_num = find_next_zero_bit(rsrc_array, max_rsrc, *next);
 424         if (rsrc_num >= max_rsrc) {
 425                 rsrc_num = find_first_zero_bit(rsrc_array, max_rsrc);
 426                 if (rsrc_num >= max_rsrc) {
 427                         spin_unlock_irqrestore(&rf->rsrc_lock, flags);
 428                         ibdev_dbg(&rf->iwdev->ibdev,
 429                                   "ERR: resource [%d] allocation failed\n",
 430                                   rsrc_num);
 431                         return -EOVERFLOW;
 432                 }
 433         }
 434         __set_bit(rsrc_num, rsrc_array);
 435         *next = rsrc_num + 1;
 436         if (*next == max_rsrc)
 437                 *next = 0;
 438         *req_rsrc_num = rsrc_num;
 439         spin_unlock_irqrestore(&rf->rsrc_lock, flags);
 440
 441         return 0;
 442 }
 443
 444 /**
 445  * irdma_free_resource - free a resource
 446  * @iwdev: device pointer
 447  * @resource_array: resource array for the resource_num
 448  * @resource_num: resource number to free
 449  **/
 450 static inline void irdma_free_rsrc(struct irdma_pci_f *rf,
 451                                    unsigned long *rsrc_array, u32 rsrc_num)
 452 {
 453         unsigned long flags;
 454
 455         spin_lock_irqsave(&rf->rsrc_lock, flags);
 456         __clear_bit(rsrc_num, rsrc_array);
 457         spin_unlock_irqrestore(&rf->rsrc_lock, flags);
 458 }
 459
 460 enum irdma_status_code irdma_ctrl_init_hw(struct irdma_pci_f *rf);
 461 void irdma_ctrl_deinit_hw(struct irdma_pci_f *rf);
 462 enum irdma_status_code irdma_rt_init_hw(struct irdma_device *iwdev,
 463                                         struct irdma_l2params *l2params);
 464 void irdma_rt_deinit_hw(struct irdma_device *iwdev);
 465 void irdma_qp_add_ref(struct ib_qp *ibqp);
 466 void irdma_qp_rem_ref(struct ib_qp *ibqp);
 467 void irdma_free_lsmm_rsrc(struct irdma_qp *iwqp);
 468 struct ib_qp *irdma_get_qp(struct ib_device *ibdev, int qpn);
 469 void irdma_flush_wqes(struct irdma_qp *iwqp, u32 flush_mask);
 470 void irdma_manage_arp_cache(struct irdma_pci_f *rf, unsigned char *mac_addr,
 471                             u32 *ip_addr, bool ipv4, u32 action);
 472 struct irdma_apbvt_entry *irdma_add_apbvt(struct irdma_device *iwdev, u16 port);
 473 void irdma_del_apbvt(struct irdma_device *iwdev,
 474                      struct irdma_apbvt_entry *entry);
 475 struct irdma_cqp_request *irdma_alloc_and_get_cqp_request(struct irdma_cqp *cqp,
 476                                                           bool wait);
 477 void irdma_free_cqp_request(struct irdma_cqp *cqp,
 478                             struct irdma_cqp_request *cqp_request);
 479 void irdma_put_cqp_request(struct irdma_cqp *cqp,
 480                            struct irdma_cqp_request *cqp_request);
 481 int irdma_alloc_local_mac_entry(struct irdma_pci_f *rf, u16 *mac_tbl_idx);
 482 int irdma_add_local_mac_entry(struct irdma_pci_f *rf, u8 *mac_addr, u16 idx);
 483 void irdma_del_local_mac_entry(struct irdma_pci_f *rf, u16 idx);
 484
 485 u32 irdma_initialize_hw_rsrc(struct irdma_pci_f *rf);
 486 void irdma_port_ibevent(struct irdma_device *iwdev);
 487 void irdma_cm_disconn(struct irdma_qp *qp);
 488
 489 bool irdma_cqp_crit_err(struct irdma_sc_dev *dev, u8 cqp_cmd,
 490                         u16 maj_err_code, u16 min_err_code);
 491 enum irdma_status_code
 492 irdma_handle_cqp_op(struct irdma_pci_f *rf,
 493                     struct irdma_cqp_request *cqp_request);
 494
 495 int irdma_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask,
 496                     struct ib_udata *udata);
 497 int irdma_modify_qp_roce(struct ib_qp *ibqp, struct ib_qp_attr *attr,
 498                          int attr_mask, struct ib_udata *udata);
 499 void irdma_cq_wq_destroy(struct irdma_pci_f *rf, struct irdma_sc_cq *cq);
 500
 501 void irdma_cleanup_pending_cqp_op(struct irdma_pci_f *rf);
 502 enum irdma_status_code irdma_hw_modify_qp(struct irdma_device *iwdev,
 503                                           struct irdma_qp *iwqp,
 504                                           struct irdma_modify_qp_info *info,
 505                                           bool wait);
 506 enum irdma_status_code irdma_qp_suspend_resume(struct irdma_sc_qp *qp,
 507                                                bool suspend);
 508 enum irdma_status_code
 509 irdma_manage_qhash(struct irdma_device *iwdev, struct irdma_cm_info *cminfo,
 510                    enum irdma_quad_entry_type etype,
 511                    enum irdma_quad_hash_manage_type mtype, void *cmnode,
 512                    bool wait);
 513 void irdma_receive_ilq(struct irdma_sc_vsi *vsi, struct irdma_puda_buf *rbuf);
 514 void irdma_free_sqbuf(struct irdma_sc_vsi *vsi, void *bufp);
 515 void irdma_free_qp_rsrc(struct irdma_qp *iwqp);
 516 enum irdma_status_code irdma_setup_cm_core(struct irdma_device *iwdev, u8 ver);
 517 void irdma_cleanup_cm_core(struct irdma_cm_core *cm_core);
 518 void irdma_next_iw_state(struct irdma_qp *iwqp, u8 state, u8 del_hash, u8 term,
 519                          u8 term_len);
 520 int irdma_send_syn(struct irdma_cm_node *cm_node, u32 sendack);
 521 int irdma_send_reset(struct irdma_cm_node *cm_node);
 522 struct irdma_cm_node *irdma_find_node(struct irdma_cm_core *cm_core,
 523                                       u16 rem_port, u32 *rem_addr, u16 loc_port,
 524                                       u32 *loc_addr, u16 vlan_id);
 525 enum irdma_status_code irdma_hw_flush_wqes(struct irdma_pci_f *rf,
 526                                            struct irdma_sc_qp *qp,
 527                                            struct irdma_qp_flush_info *info,
 528                                            bool wait);
 529 void irdma_gen_ae(struct irdma_pci_f *rf, struct irdma_sc_qp *qp,
 530                   struct irdma_gen_ae_info *info, bool wait);
 531 void irdma_copy_ip_ntohl(u32 *dst, __be32 *src);
 532 void irdma_copy_ip_htonl(__be32 *dst, u32 *src);
 533 u16 irdma_get_vlan_ipv4(u32 *addr);
 534 struct net_device *irdma_netdev_vlan_ipv6(u32 *addr, u16 *vlan_id, u8 *mac);
 535 struct ib_mr *irdma_reg_phys_mr(struct ib_pd *ib_pd, u64 addr, u64 size,
 536                                 int acc, u64 *iova_start);
 537 int irdma_upload_qp_context(struct irdma_qp *iwqp, bool freeze, bool raw);
 538 void irdma_cqp_ce_handler(struct irdma_pci_f *rf, struct irdma_sc_cq *cq);
 539 int irdma_ah_cqp_op(struct irdma_pci_f *rf, struct irdma_sc_ah *sc_ah, u8 cmd,
 540                     bool wait,
 541                     void (*callback_fcn)(struct irdma_cqp_request *cqp_request),
 542                     void *cb_param);
 543 void irdma_gsi_ud_qp_ah_cb(struct irdma_cqp_request *cqp_request);
 544 int irdma_inetaddr_event(struct notifier_block *notifier, unsigned long event,
 545                          void *ptr);
 546 int irdma_inet6addr_event(struct notifier_block *notifier, unsigned long event,
 547                           void *ptr);
 548 int irdma_net_event(struct notifier_block *notifier, unsigned long event,
 549                     void *ptr);
 550 int irdma_netdevice_event(struct notifier_block *notifier, unsigned long event,
 551                           void *ptr);
 552 void irdma_add_ip(struct irdma_device *iwdev);
 553 void cqp_compl_worker(struct work_struct *work);
 554 #endif /* IRDMA_MAIN_H */