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 "osdep.h"
  44 #include "defs.h"
  45 #include "hmc.h"
  46 #include "type.h"
  47 #include "ws.h"
  48 #include "protos.h"
  49 #include "pble.h"
  50 #include "cm.h"
  51 #include <rdma/irdma-abi.h>
  52 #include "verbs.h"
  53 #include "user.h"
  54 #include "puda.h"
  55
  56 extern struct auxiliary_driver i40iw_auxiliary_drv;
  57
  58 #define IRDMA_FW_VER_DEFAULT    2
  59 #define IRDMA_HW_VER            2
  60
  61 #define IRDMA_ARP_ADD           1
  62 #define IRDMA_ARP_DELETE        2
  63 #define IRDMA_ARP_RESOLVE       3
  64
  65 #define IRDMA_MACIP_ADD         1
  66 #define IRDMA_MACIP_DELETE      2
  67
  68 #define IW_CCQ_SIZE     (IRDMA_CQP_SW_SQSIZE_2048 + 1)
  69 #define IW_CEQ_SIZE     2048
  70 #define IW_AEQ_SIZE     2048
  71
  72 #define RX_BUF_SIZE     (1536 + 8)
  73 #define IW_REG0_SIZE    (4 * 1024)
  74 #define IW_TX_TIMEOUT   (6 * HZ)
  75 #define IW_FIRST_QPN    1
  76
  77 #define IW_SW_CONTEXT_ALIGN     1024
  78
  79 #define MAX_DPC_ITERATIONS      128
  80
  81 #define IRDMA_EVENT_TIMEOUT_MS          5000
  82 #define IRDMA_VCHNL_EVENT_TIMEOUT       100000
  83 #define IRDMA_RST_TIMEOUT_HZ            4
  84
  85 #define IRDMA_NO_QSET   0xffff
  86
  87 #define IW_CFG_FPM_QP_COUNT             32768
  88 #define IRDMA_MAX_PAGES_PER_FMR         262144
  89 #define IRDMA_MIN_PAGES_PER_FMR         1
  90 #define IRDMA_CQP_COMPL_RQ_WQE_FLUSHED  2
  91 #define IRDMA_CQP_COMPL_SQ_WQE_FLUSHED  3
  92
  93 #define IRDMA_Q_TYPE_PE_AEQ     0x80
  94 #define IRDMA_Q_INVALID_IDX     0xffff
  95 #define IRDMA_REM_ENDPOINT_TRK_QPID     3
  96
  97 #define IRDMA_DRV_OPT_ENA_MPA_VER_0             0x00000001
  98 #define IRDMA_DRV_OPT_DISABLE_MPA_CRC           0x00000002
  99 #define IRDMA_DRV_OPT_DISABLE_FIRST_WRITE       0x00000004
 100 #define IRDMA_DRV_OPT_DISABLE_INTF              0x00000008
 101 #define IRDMA_DRV_OPT_ENA_MSI                   0x00000010
 102 #define IRDMA_DRV_OPT_DUAL_LOGICAL_PORT         0x00000020
 103 #define IRDMA_DRV_OPT_NO_INLINE_DATA            0x00000080
 104 #define IRDMA_DRV_OPT_DISABLE_INT_MOD           0x00000100
 105 #define IRDMA_DRV_OPT_DISABLE_VIRT_WQ           0x00000200
 106 #define IRDMA_DRV_OPT_ENA_PAU                   0x00000400
 107 #define IRDMA_DRV_OPT_MCAST_LOGPORT_MAP         0x00000800
 108
 109 #define IW_HMC_OBJ_TYPE_NUM     ARRAY_SIZE(iw_hmc_obj_types)
 110 #define IRDMA_ROCE_CWND_DEFAULT                 0x400
 111 #define IRDMA_ROCE_ACKCREDS_DEFAULT             0x1E
 112
 113 #define IRDMA_FLUSH_SQ          BIT(0)
 114 #define IRDMA_FLUSH_RQ          BIT(1)
 115 #define IRDMA_REFLUSH           BIT(2)
 116 #define IRDMA_FLUSH_WAIT        BIT(3)
 117
 118 #define IRDMA_IRQ_NAME_STR_LEN (64)
 119
 120 enum init_completion_state {
 121         INVALID_STATE = 0,
 122         INITIAL_STATE,
 123         CQP_CREATED,
 124         HMC_OBJS_CREATED,
 125         HW_RSRC_INITIALIZED,
 126         CCQ_CREATED,
 127         CEQ0_CREATED, /* Last state of probe */
 128         ILQ_CREATED,
 129         IEQ_CREATED,
 130         CEQS_CREATED,
 131         PBLE_CHUNK_MEM,
 132         AEQ_CREATED,
 133         IP_ADDR_REGISTERED,  /* Last state of open */
 134 };
 135
 136 struct irdma_rsrc_limits {
 137         u32 qplimit;
 138         u32 mrlimit;
 139         u32 cqlimit;
 140 };
 141
 142 struct irdma_cqp_err_info {
 143         u16 maj;
 144         u16 min;
 145         const char *desc;
 146 };
 147
 148 struct irdma_cqp_compl_info {
 149         u32 op_ret_val;
 150         u16 maj_err_code;
 151         u16 min_err_code;
 152         bool error;
 153         u8 op_code;
 154 };
 155
 156 struct irdma_cqp_request {
 157         struct cqp_cmds_info info;
 158         wait_queue_head_t waitq;
 159         struct list_head list;
 160         refcount_t refcnt;
 161         void (*callback_fcn)(struct irdma_cqp_request *cqp_request);
 162         void *param;
 163         struct irdma_cqp_compl_info compl_info;
 164         bool request_done; /* READ/WRITE_ONCE macros operate on it */
 165         bool waiting:1;
 166         bool dynamic:1;
 167 };
 168
 169 struct irdma_cqp {
 170         struct irdma_sc_cqp sc_cqp;
 171         spinlock_t req_lock; /* protect CQP request list */
 172         spinlock_t compl_lock; /* protect CQP completion processing */
 173         wait_queue_head_t waitq;
 174         wait_queue_head_t remove_wq;
 175         struct irdma_dma_mem sq;
 176         struct irdma_dma_mem host_ctx;
 177         u64 *scratch_array;
 178         struct irdma_cqp_request *cqp_requests;
 179         struct list_head cqp_avail_reqs;
 180         struct list_head cqp_pending_reqs;
 181 };
 182
 183 struct irdma_ccq {
 184         struct irdma_sc_cq sc_cq;
 185         struct irdma_dma_mem mem_cq;
 186         struct irdma_dma_mem shadow_area;
 187 };
 188
 189 struct irdma_ceq {
 190         struct irdma_sc_ceq sc_ceq;
 191         struct irdma_dma_mem mem;
 192         u32 irq;
 193         u32 msix_idx;
 194         struct irdma_pci_f *rf;
 195         struct tasklet_struct dpc_tasklet;
 196         spinlock_t ce_lock; /* sync cq destroy with cq completion event notification */
 197 };
 198
 199 struct irdma_aeq {
 200         struct irdma_sc_aeq sc_aeq;
 201         struct irdma_dma_mem mem;
 202         struct irdma_pble_alloc palloc;
 203         bool virtual_map;
 204 };
 205
 206 struct irdma_arp_entry {
 207         u32 ip_addr[4];
 208         u8 mac_addr[ETH_ALEN];
 209 };
 210
 211 struct irdma_msix_vector {
 212         u32 idx;
 213         u32 irq;
 214         u32 cpu_affinity;
 215         u32 ceq_id;
 216         cpumask_t mask;
 217         char name[IRDMA_IRQ_NAME_STR_LEN];
 218 };
 219
 220 struct irdma_mc_table_info {
 221         u32 mgn;
 222         u32 dest_ip[4];
 223         bool lan_fwd:1;
 224         bool ipv4_valid:1;
 225 };
 226
 227 struct mc_table_list {
 228         struct list_head list;
 229         struct irdma_mc_table_info mc_info;
 230         struct irdma_mcast_grp_info mc_grp_ctx;
 231 };
 232
 233 struct irdma_qv_info {
 234         u32 v_idx; /* msix_vector */
 235         u16 ceq_idx;
 236         u16 aeq_idx;
 237         u8 itr_idx;
 238 };
 239
 240 struct irdma_qvlist_info {
 241         u32 num_vectors;
 242         struct irdma_qv_info qv_info[];
 243 };
 244
 245 struct irdma_gen_ops {
 246         void (*request_reset)(struct irdma_pci_f *rf);
 247         int (*register_qset)(struct irdma_sc_vsi *vsi,
 248                              struct irdma_ws_node *tc_node);
 249         void (*unregister_qset)(struct irdma_sc_vsi *vsi,
 250                                 struct irdma_ws_node *tc_node);
 251 };
 252
 253 struct irdma_pci_f {
 254         bool reset:1;
 255         bool rsrc_created:1;
 256         bool msix_shared:1;
 257         u8 rsrc_profile;
 258         u8 *hmc_info_mem;
 259         u8 *mem_rsrc;
 260         u8 rdma_ver;
 261         u8 rst_to;
 262         u8 pf_id;
 263         enum irdma_protocol_used protocol_used;
 264         u32 sd_type;
 265         u32 msix_count;
 266         u32 max_mr;
 267         u32 max_qp;
 268         u32 max_cq;
 269         u32 max_ah;
 270         u32 next_ah;
 271         u32 max_mcg;
 272         u32 next_mcg;
 273         u32 max_pd;
 274         u32 next_qp;
 275         u32 next_cq;
 276         u32 next_pd;
 277         u32 max_mr_size;
 278         u32 max_cqe;
 279         u32 mr_stagmask;
 280         u32 used_pds;
 281         u32 used_cqs;
 282         u32 used_mrs;
 283         u32 used_qps;
 284         u32 arp_table_size;
 285         u32 next_arp_index;
 286         u32 ceqs_count;
 287         u32 next_ws_node_id;
 288         u32 max_ws_node_id;
 289         u32 limits_sel;
 290         unsigned long *allocated_ws_nodes;
 291         unsigned long *allocated_qps;
 292         unsigned long *allocated_cqs;
 293         unsigned long *allocated_mrs;
 294         unsigned long *allocated_pds;
 295         unsigned long *allocated_mcgs;
 296         unsigned long *allocated_ahs;
 297         unsigned long *allocated_arps;
 298         enum init_completion_state init_state;
 299         struct irdma_sc_dev sc_dev;
 300         struct pci_dev *pcidev;
 301         void *cdev;
 302         struct irdma_hw hw;
 303         struct irdma_cqp cqp;
 304         struct irdma_ccq ccq;
 305         struct irdma_aeq aeq;
 306         struct irdma_ceq *ceqlist;
 307         struct irdma_hmc_pble_rsrc *pble_rsrc;
 308         struct irdma_arp_entry *arp_table;
 309         spinlock_t arp_lock; /*protect ARP table access*/
 310         spinlock_t rsrc_lock; /* protect HW resource array access */
 311         spinlock_t qptable_lock; /*protect QP table access*/
 312         spinlock_t cqtable_lock; /*protect CQ table access*/
 313         struct irdma_qp **qp_table;
 314         struct irdma_cq **cq_table;
 315         spinlock_t qh_list_lock; /* protect mc_qht_list */
 316         struct mc_table_list mc_qht_list;
 317         struct irdma_msix_vector *iw_msixtbl;
 318         struct irdma_qvlist_info *iw_qvlist;
 319         struct tasklet_struct dpc_tasklet;
 320         struct msix_entry *msix_entries;
 321         struct irdma_dma_mem obj_mem;
 322         struct irdma_dma_mem obj_next;
 323         atomic_t vchnl_msgs;
 324         wait_queue_head_t vchnl_waitq;
 325         struct workqueue_struct *cqp_cmpl_wq;
 326         struct work_struct cqp_cmpl_work;
 327         struct irdma_sc_vsi default_vsi;
 328         void *back_fcn;
 329         struct irdma_gen_ops gen_ops;
 330         struct irdma_device *iwdev;
 331 };
 332
 333 struct irdma_device {
 334         struct ib_device ibdev;
 335         struct irdma_pci_f *rf;
 336         struct net_device *netdev;
 337         struct workqueue_struct *cleanup_wq;
 338         struct irdma_sc_vsi vsi;
 339         struct irdma_cm_core cm_core;
 340         DECLARE_HASHTABLE(ah_hash_tbl, 8);
 341         struct mutex ah_tbl_lock; /* protect AH hash table access */
 342         u32 roce_cwnd;
 343         u32 roce_ackcreds;
 344         u32 vendor_id;
 345         u32 vendor_part_id;
 346         u32 push_mode;
 347         u32 rcv_wnd;
 348         u16 mac_ip_table_idx;
 349         u16 vsi_num;
 350         u8 rcv_wscale;
 351         u8 iw_status;
 352         bool roce_mode:1;
 353         bool roce_dcqcn_en:1;
 354         bool dcb_vlan_mode:1;
 355         bool iw_ooo:1;
 356         enum init_completion_state init_state;
 357
 358         wait_queue_head_t suspend_wq;
 359 };
 360
 361 static inline struct irdma_device *to_iwdev(struct ib_device *ibdev)
 362 {
 363         return container_of(ibdev, struct irdma_device, ibdev);
 364 }
 365
 366 static inline struct irdma_ucontext *to_ucontext(struct ib_ucontext *ibucontext)
 367 {
 368         return container_of(ibucontext, struct irdma_ucontext, ibucontext);
 369 }
 370
 371 static inline struct irdma_user_mmap_entry *
 372 to_irdma_mmap_entry(struct rdma_user_mmap_entry *rdma_entry)
 373 {
 374         return container_of(rdma_entry, struct irdma_user_mmap_entry,
 375                             rdma_entry);
 376 }
 377
 378 static inline struct irdma_pd *to_iwpd(struct ib_pd *ibpd)
 379 {
 380         return container_of(ibpd, struct irdma_pd, ibpd);
 381 }
 382
 383 static inline struct irdma_ah *to_iwah(struct ib_ah *ibah)
 384 {
 385         return container_of(ibah, struct irdma_ah, ibah);
 386 }
 387
 388 static inline struct irdma_mr *to_iwmr(struct ib_mr *ibmr)
 389 {
 390         return container_of(ibmr, struct irdma_mr, ibmr);
 391 }
 392
 393 static inline struct irdma_mr *to_iwmw(struct ib_mw *ibmw)
 394 {
 395         return container_of(ibmw, struct irdma_mr, ibmw);
 396 }
 397
 398 static inline struct irdma_cq *to_iwcq(struct ib_cq *ibcq)
 399 {
 400         return container_of(ibcq, struct irdma_cq, ibcq);
 401 }
 402
 403 static inline struct irdma_qp *to_iwqp(struct ib_qp *ibqp)
 404 {
 405         return container_of(ibqp, struct irdma_qp, ibqp);
 406 }
 407
 408 static inline struct irdma_pci_f *dev_to_rf(struct irdma_sc_dev *dev)
 409 {
 410         return container_of(dev, struct irdma_pci_f, sc_dev);
 411 }
 412
 413 /**
 414  * irdma_alloc_resource - allocate a resource
 415  * @iwdev: device pointer
 416  * @resource_array: resource bit array:
 417  * @max_resources: maximum resource number
 418  * @req_resources_num: Allocated resource number
 419  * @next: next free id
 420  **/
 421 static inline int irdma_alloc_rsrc(struct irdma_pci_f *rf,
 422                                    unsigned long *rsrc_array, u32 max_rsrc,
 423                                    u32 *req_rsrc_num, u32 *next)
 424 {
 425         u32 rsrc_num;
 426         unsigned long flags;
 427
 428         spin_lock_irqsave(&rf->rsrc_lock, flags);
 429         rsrc_num = find_next_zero_bit(rsrc_array, max_rsrc, *next);
 430         if (rsrc_num >= max_rsrc) {
 431                 rsrc_num = find_first_zero_bit(rsrc_array, max_rsrc);
 432                 if (rsrc_num >= max_rsrc) {
 433                         spin_unlock_irqrestore(&rf->rsrc_lock, flags);
 434                         ibdev_dbg(&rf->iwdev->ibdev,
 435                                   "ERR: resource [%d] allocation failed\n",
 436                                   rsrc_num);
 437                         return -EOVERFLOW;
 438                 }
 439         }
 440         __set_bit(rsrc_num, rsrc_array);
 441         *next = rsrc_num + 1;
 442         if (*next == max_rsrc)
 443                 *next = 0;
 444         *req_rsrc_num = rsrc_num;
 445         spin_unlock_irqrestore(&rf->rsrc_lock, flags);
 446
 447         return 0;
 448 }
 449
 450 /**
 451  * irdma_free_resource - free a resource
 452  * @iwdev: device pointer
 453  * @resource_array: resource array for the resource_num
 454  * @resource_num: resource number to free
 455  **/
 456 static inline void irdma_free_rsrc(struct irdma_pci_f *rf,
 457                                    unsigned long *rsrc_array, u32 rsrc_num)
 458 {
 459         unsigned long flags;
 460
 461         spin_lock_irqsave(&rf->rsrc_lock, flags);
 462         __clear_bit(rsrc_num, rsrc_array);
 463         spin_unlock_irqrestore(&rf->rsrc_lock, flags);
 464 }
 465
 466 int irdma_ctrl_init_hw(struct irdma_pci_f *rf);
 467 void irdma_ctrl_deinit_hw(struct irdma_pci_f *rf);
 468 int irdma_rt_init_hw(struct irdma_device *iwdev,
 469                      struct irdma_l2params *l2params);
 470 void irdma_rt_deinit_hw(struct irdma_device *iwdev);
 471 void irdma_qp_add_ref(struct ib_qp *ibqp);
 472 void irdma_qp_rem_ref(struct ib_qp *ibqp);
 473 void irdma_free_lsmm_rsrc(struct irdma_qp *iwqp);
 474 struct ib_qp *irdma_get_qp(struct ib_device *ibdev, int qpn);
 475 void irdma_flush_wqes(struct irdma_qp *iwqp, u32 flush_mask);
 476 void irdma_manage_arp_cache(struct irdma_pci_f *rf,
 477                             const unsigned char *mac_addr,
 478                             u32 *ip_addr, bool ipv4, u32 action);
 479 struct irdma_apbvt_entry *irdma_add_apbvt(struct irdma_device *iwdev, u16 port);
 480 void irdma_del_apbvt(struct irdma_device *iwdev,
 481                      struct irdma_apbvt_entry *entry);
 482 struct irdma_cqp_request *irdma_alloc_and_get_cqp_request(struct irdma_cqp *cqp,
 483                                                           bool wait);
 484 void irdma_free_cqp_request(struct irdma_cqp *cqp,
 485                             struct irdma_cqp_request *cqp_request);
 486 void irdma_put_cqp_request(struct irdma_cqp *cqp,
 487                            struct irdma_cqp_request *cqp_request);
 488 int irdma_alloc_local_mac_entry(struct irdma_pci_f *rf, u16 *mac_tbl_idx);
 489 int irdma_add_local_mac_entry(struct irdma_pci_f *rf, const u8 *mac_addr, u16 idx);
 490 void irdma_del_local_mac_entry(struct irdma_pci_f *rf, u16 idx);
 491
 492 u32 irdma_initialize_hw_rsrc(struct irdma_pci_f *rf);
 493 void irdma_port_ibevent(struct irdma_device *iwdev);
 494 void irdma_cm_disconn(struct irdma_qp *qp);
 495
 496 bool irdma_cqp_crit_err(struct irdma_sc_dev *dev, u8 cqp_cmd,
 497                         u16 maj_err_code, u16 min_err_code);
 498 int irdma_handle_cqp_op(struct irdma_pci_f *rf,
 499                         struct irdma_cqp_request *cqp_request);
 500
 501 int irdma_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask,
 502                     struct ib_udata *udata);
 503 int irdma_modify_qp_roce(struct ib_qp *ibqp, struct ib_qp_attr *attr,
 504                          int attr_mask, struct ib_udata *udata);
 505 void irdma_cq_add_ref(struct ib_cq *ibcq);
 506 void irdma_cq_rem_ref(struct ib_cq *ibcq);
 507 void irdma_cq_wq_destroy(struct irdma_pci_f *rf, struct irdma_sc_cq *cq);
 508
 509 void irdma_cleanup_pending_cqp_op(struct irdma_pci_f *rf);
 510 int irdma_hw_modify_qp(struct irdma_device *iwdev, struct irdma_qp *iwqp,
 511                        struct irdma_modify_qp_info *info, bool wait);
 512 int irdma_qp_suspend_resume(struct irdma_sc_qp *qp, bool suspend);
 513 int irdma_manage_qhash(struct irdma_device *iwdev, struct irdma_cm_info *cminfo,
 514                        enum irdma_quad_entry_type etype,
 515                        enum irdma_quad_hash_manage_type mtype, void *cmnode,
 516                        bool wait);
 517 void irdma_receive_ilq(struct irdma_sc_vsi *vsi, struct irdma_puda_buf *rbuf);
 518 void irdma_free_sqbuf(struct irdma_sc_vsi *vsi, void *bufp);
 519 void irdma_free_qp_rsrc(struct irdma_qp *iwqp);
 520 int irdma_setup_cm_core(struct irdma_device *iwdev, u8 ver);
 521 void irdma_cleanup_cm_core(struct irdma_cm_core *cm_core);
 522 void irdma_next_iw_state(struct irdma_qp *iwqp, u8 state, u8 del_hash, u8 term,
 523                          u8 term_len);
 524 int irdma_send_syn(struct irdma_cm_node *cm_node, u32 sendack);
 525 int irdma_send_reset(struct irdma_cm_node *cm_node);
 526 struct irdma_cm_node *irdma_find_node(struct irdma_cm_core *cm_core,
 527                                       u16 rem_port, u32 *rem_addr, u16 loc_port,
 528                                       u32 *loc_addr, u16 vlan_id);
 529 int irdma_hw_flush_wqes(struct irdma_pci_f *rf, struct irdma_sc_qp *qp,
 530                         struct irdma_qp_flush_info *info, bool wait);
 531 void irdma_gen_ae(struct irdma_pci_f *rf, struct irdma_sc_qp *qp,
 532                   struct irdma_gen_ae_info *info, bool wait);
 533 void irdma_copy_ip_ntohl(u32 *dst, __be32 *src);
 534 void irdma_copy_ip_htonl(__be32 *dst, u32 *src);
 535 u16 irdma_get_vlan_ipv4(u32 *addr);
 536 void irdma_get_vlan_mac_ipv6(u32 *addr, u16 *vlan_id, u8 *mac);
 537 struct ib_mr *irdma_reg_phys_mr(struct ib_pd *ib_pd, u64 addr, u64 size,
 538                                 int acc, u64 *iova_start);
 539 int irdma_upload_qp_context(struct irdma_qp *iwqp, bool freeze, bool raw);
 540 void irdma_cqp_ce_handler(struct irdma_pci_f *rf, struct irdma_sc_cq *cq);
 541 int irdma_ah_cqp_op(struct irdma_pci_f *rf, struct irdma_sc_ah *sc_ah, u8 cmd,
 542                     bool wait,
 543                     void (*callback_fcn)(struct irdma_cqp_request *cqp_request),
 544                     void *cb_param);
 545 void irdma_gsi_ud_qp_ah_cb(struct irdma_cqp_request *cqp_request);
 546 bool irdma_cq_empty(struct irdma_cq *iwcq);
 547 int irdma_inetaddr_event(struct notifier_block *notifier, unsigned long event,
 548                          void *ptr);
 549 int irdma_inet6addr_event(struct notifier_block *notifier, unsigned long event,
 550                           void *ptr);
 551 int irdma_net_event(struct notifier_block *notifier, unsigned long event,
 552                     void *ptr);
 553 int irdma_netdevice_event(struct notifier_block *notifier, unsigned long event,
 554                           void *ptr);
 555 void irdma_add_ip(struct irdma_device *iwdev);
 556 void cqp_compl_worker(struct work_struct *work);
 557 #endif /* IRDMA_MAIN_H */