drivers/infiniband/hw/i40iw/i40iw.h

   1 /*******************************************************************************
   2 *
   3 * Copyright (c) 2015-2016 Intel Corporation.  All rights reserved.
   4 *
   5 * This software is available to you under a choice of one of two
   6 * licenses.  You may choose to be licensed under the terms of the GNU
   7 * General Public License (GPL) Version 2, available from the file
   8 * COPYING in the main directory of this source tree, or the
   9 * OpenFabrics.org BSD license below:
  10 *
  11 *   Redistribution and use in source and binary forms, with or
  12 *   without modification, are permitted provided that the following
  13 *   conditions are met:
  14 *
  15 *    - Redistributions of source code must retain the above
  16 *       copyright notice, this list of conditions and the following
  17 *       disclaimer.
  18 *
  19 *    - Redistributions in binary form must reproduce the above
  20 *       copyright notice, this list of conditions and the following
  21 *       disclaimer in the documentation and/or other materials
  22 *       provided with the distribution.
  23 *
  24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  31 * SOFTWARE.
  32 *
  33 *******************************************************************************/
  34
  35 #ifndef I40IW_IW_H
  36 #define I40IW_IW_H
  37 #include <linux/netdevice.h>
  38 #include <linux/inetdevice.h>
  39 #include <linux/spinlock.h>
  40 #include <linux/kernel.h>
  41 #include <linux/delay.h>
  42 #include <linux/pci.h>
  43 #include <linux/dma-mapping.h>
  44 #include <linux/workqueue.h>
  45 #include <linux/slab.h>
  46 #include <linux/io.h>
  47 #include <linux/crc32c.h>
  48 #include <rdma/ib_smi.h>
  49 #include <rdma/ib_verbs.h>
  50 #include <rdma/ib_pack.h>
  51 #include <rdma/rdma_cm.h>
  52 #include <rdma/iw_cm.h>
  53 #include <crypto/hash.h>
  54
  55 #include "i40iw_status.h"
  56 #include "i40iw_osdep.h"
  57 #include "i40iw_d.h"
  58 #include "i40iw_hmc.h"
  59
  60 #include <i40e_client.h>
  61 #include "i40iw_type.h"
  62 #include "i40iw_p.h"
  63 #include "i40iw_ucontext.h"
  64 #include "i40iw_pble.h"
  65 #include "i40iw_verbs.h"
  66 #include "i40iw_cm.h"
  67 #include "i40iw_user.h"
  68 #include "i40iw_puda.h"
  69
  70 #define I40IW_FW_VERSION  2
  71 #define I40IW_HW_VERSION  2
  72
  73 #define I40IW_ARP_ADD     1
  74 #define I40IW_ARP_DELETE  2
  75 #define I40IW_ARP_RESOLVE 3
  76
  77 #define I40IW_MACIP_ADD     1
  78 #define I40IW_MACIP_DELETE  2
  79
  80 #define IW_CCQ_SIZE         (I40IW_CQP_SW_SQSIZE_2048 + 1)
  81 #define IW_CEQ_SIZE         2048
  82 #define IW_AEQ_SIZE         2048
  83
  84 #define RX_BUF_SIZE            (1536 + 8)
  85 #define IW_REG0_SIZE           (4 * 1024)
  86 #define IW_TX_TIMEOUT          (6 * HZ)
  87 #define IW_FIRST_QPN           1
  88 #define IW_SW_CONTEXT_ALIGN    1024
  89
  90 #define MAX_DPC_ITERATIONS              128
  91
  92 #define I40IW_EVENT_TIMEOUT             100000
  93 #define I40IW_VCHNL_EVENT_TIMEOUT       100000
  94
  95 #define I40IW_NO_VLAN                   0xffff
  96 #define I40IW_NO_QSET                   0xffff
  97
  98 /* access to mcast filter list */
  99 #define IW_ADD_MCAST false
 100 #define IW_DEL_MCAST true
 101
 102 #define I40IW_DRV_OPT_ENABLE_MPA_VER_0     0x00000001
 103 #define I40IW_DRV_OPT_DISABLE_MPA_CRC      0x00000002
 104 #define I40IW_DRV_OPT_DISABLE_FIRST_WRITE  0x00000004
 105 #define I40IW_DRV_OPT_DISABLE_INTF         0x00000008
 106 #define I40IW_DRV_OPT_ENABLE_MSI           0x00000010
 107 #define I40IW_DRV_OPT_DUAL_LOGICAL_PORT    0x00000020
 108 #define I40IW_DRV_OPT_NO_INLINE_DATA       0x00000080
 109 #define I40IW_DRV_OPT_DISABLE_INT_MOD      0x00000100
 110 #define I40IW_DRV_OPT_DISABLE_VIRT_WQ      0x00000200
 111 #define I40IW_DRV_OPT_ENABLE_PAU           0x00000400
 112 #define I40IW_DRV_OPT_MCAST_LOGPORT_MAP    0x00000800
 113
 114 #define IW_HMC_OBJ_TYPE_NUM ARRAY_SIZE(iw_hmc_obj_types)
 115 #define IW_CFG_FPM_QP_COUNT               32768
 116 #define I40IW_MAX_PAGES_PER_FMR           512
 117 #define I40IW_MIN_PAGES_PER_FMR           1
 118 #define I40IW_CQP_COMPL_RQ_WQE_FLUSHED    2
 119 #define I40IW_CQP_COMPL_SQ_WQE_FLUSHED    3
 120 #define I40IW_CQP_COMPL_RQ_SQ_WQE_FLUSHED 4
 121
 122 #define I40IW_MTU_TO_MSS                40
 123 #define I40IW_DEFAULT_MSS               1460
 124
 125 struct i40iw_cqp_compl_info {
 126         u32 op_ret_val;
 127         u16 maj_err_code;
 128         u16 min_err_code;
 129         bool error;
 130         u8 op_code;
 131 };
 132
 133 #define i40iw_pr_err(fmt, args ...) pr_err("%s: "fmt, __func__, ## args)
 134
 135 #define i40iw_pr_info(fmt, args ...) pr_info("%s: " fmt, __func__, ## args)
 136
 137 #define i40iw_pr_warn(fmt, args ...) pr_warn("%s: " fmt, __func__, ## args)
 138
 139 struct i40iw_cqp_request {
 140         struct cqp_commands_info info;
 141         wait_queue_head_t waitq;
 142         struct list_head list;
 143         atomic_t refcount;
 144         void (*callback_fcn)(struct i40iw_cqp_request*, u32);
 145         void *param;
 146         struct i40iw_cqp_compl_info compl_info;
 147         bool waiting;
 148         bool request_done;
 149         bool dynamic;
 150 };
 151
 152 struct i40iw_cqp {
 153         struct i40iw_sc_cqp sc_cqp;
 154         spinlock_t req_lock; /*cqp request list */
 155         wait_queue_head_t waitq;
 156         struct i40iw_dma_mem sq;
 157         struct i40iw_dma_mem host_ctx;
 158         u64 *scratch_array;
 159         struct i40iw_cqp_request *cqp_requests;
 160         struct list_head cqp_avail_reqs;
 161         struct list_head cqp_pending_reqs;
 162 };
 163
 164 struct i40iw_device;
 165
 166 struct i40iw_ccq {
 167         struct i40iw_sc_cq sc_cq;
 168         spinlock_t lock; /* ccq control */
 169         wait_queue_head_t waitq;
 170         struct i40iw_dma_mem mem_cq;
 171         struct i40iw_dma_mem shadow_area;
 172 };
 173
 174 struct i40iw_ceq {
 175         struct i40iw_sc_ceq sc_ceq;
 176         struct i40iw_dma_mem mem;
 177         u32 irq;
 178         u32 msix_idx;
 179         struct i40iw_device *iwdev;
 180         struct tasklet_struct dpc_tasklet;
 181 };
 182
 183 struct i40iw_aeq {
 184         struct i40iw_sc_aeq sc_aeq;
 185         struct i40iw_dma_mem mem;
 186 };
 187
 188 struct i40iw_arp_entry {
 189         u32 ip_addr[4];
 190         u8 mac_addr[ETH_ALEN];
 191 };
 192
 193 enum init_completion_state {
 194         INVALID_STATE = 0,
 195         INITIAL_STATE,
 196         CQP_CREATED,
 197         HMC_OBJS_CREATED,
 198         PBLE_CHUNK_MEM,
 199         CCQ_CREATED,
 200         AEQ_CREATED,
 201         CEQ_CREATED,
 202         ILQ_CREATED,
 203         IEQ_CREATED,
 204         INET_NOTIFIER,
 205         IP_ADDR_REGISTERED,
 206         RDMA_DEV_REGISTERED
 207 };
 208
 209 struct i40iw_msix_vector {
 210         u32 idx;
 211         u32 irq;
 212         u32 cpu_affinity;
 213         u32 ceq_id;
 214 };
 215
 216 struct l2params_work {
 217         struct work_struct work;
 218         struct i40iw_device *iwdev;
 219         struct i40iw_l2params l2params;
 220 };
 221
 222 #define I40IW_MSIX_TABLE_SIZE   65
 223
 224 struct virtchnl_work {
 225         struct work_struct work;
 226         union {
 227                 struct i40iw_cqp_request *cqp_request;
 228                 struct i40iw_virtchnl_work_info work_info;
 229         };
 230 };
 231
 232 struct i40e_qvlist_info;
 233
 234 struct i40iw_device {
 235         struct i40iw_ib_device *iwibdev;
 236         struct net_device *netdev;
 237         wait_queue_head_t vchnl_waitq;
 238         struct i40iw_sc_dev sc_dev;
 239         struct i40iw_sc_vsi vsi;
 240         struct i40iw_handler *hdl;
 241         struct i40e_info *ldev;
 242         struct i40e_client *client;
 243         struct i40iw_hw hw;
 244         struct i40iw_cm_core cm_core;
 245         u8 *mem_resources;
 246         unsigned long *allocated_qps;
 247         unsigned long *allocated_cqs;
 248         unsigned long *allocated_mrs;
 249         unsigned long *allocated_pds;
 250         unsigned long *allocated_arps;
 251         struct i40iw_qp **qp_table;
 252         bool msix_shared;
 253         u32 msix_count;
 254         struct i40iw_msix_vector *iw_msixtbl;
 255         struct i40e_qvlist_info *iw_qvlist;
 256
 257         struct i40iw_hmc_pble_rsrc *pble_rsrc;
 258         struct i40iw_arp_entry *arp_table;
 259         struct i40iw_cqp cqp;
 260         struct i40iw_ccq ccq;
 261         u32 ceqs_count;
 262         struct i40iw_ceq *ceqlist;
 263         struct i40iw_aeq aeq;
 264         u32 arp_table_size;
 265         u32 next_arp_index;
 266         spinlock_t resource_lock; /* hw resource access */
 267         spinlock_t qptable_lock;
 268         u32 vendor_id;
 269         u32 vendor_part_id;
 270         u32 of_device_registered;
 271
 272         u32 device_cap_flags;
 273         unsigned long db_start;
 274         u8 resource_profile;
 275         u8 max_rdma_vfs;
 276         u8 max_enabled_vfs;
 277         u8 max_sge;
 278         u8 iw_status;
 279         u8 send_term_ok;
 280         bool push_mode;         /* Initialized from parameter passed to driver */
 281
 282         /* x710 specific */
 283         struct mutex pbl_mutex;
 284         struct tasklet_struct dpc_tasklet;
 285         struct workqueue_struct *virtchnl_wq;
 286         struct virtchnl_work virtchnl_w[I40IW_MAX_PE_ENABLED_VF_COUNT];
 287         struct i40iw_dma_mem obj_mem;
 288         struct i40iw_dma_mem obj_next;
 289         u8 *hmc_info_mem;
 290         u32 sd_type;
 291         struct workqueue_struct *param_wq;
 292         atomic_t params_busy;
 293         enum init_completion_state init_state;
 294         u16 mac_ip_table_idx;
 295         atomic_t vchnl_msgs;
 296         u32 max_mr;
 297         u32 max_qp;
 298         u32 max_cq;
 299         u32 max_pd;
 300         u32 next_qp;
 301         u32 next_cq;
 302         u32 next_pd;
 303         u32 max_mr_size;
 304         u32 max_qp_wr;
 305         u32 max_cqe;
 306         u32 mr_stagmask;
 307         u32 mpa_version;
 308         bool dcb;
 309         bool closing;
 310         bool reset;
 311         u32 used_pds;
 312         u32 used_cqs;
 313         u32 used_mrs;
 314         u32 used_qps;
 315         wait_queue_head_t close_wq;
 316         atomic64_t use_count;
 317 };
 318
 319 struct i40iw_ib_device {
 320         struct ib_device ibdev;
 321         struct i40iw_device *iwdev;
 322 };
 323
 324 struct i40iw_handler {
 325         struct list_head list;
 326         struct i40e_client *client;
 327         struct i40iw_device device;
 328         struct i40e_info ldev;
 329 };
 330
 331 /**
 332  * to_iwdev - get device
 333  * @ibdev: ib device
 334  **/
 335 static inline struct i40iw_device *to_iwdev(struct ib_device *ibdev)
 336 {
 337         return container_of(ibdev, struct i40iw_ib_device, ibdev)->iwdev;
 338 }
 339
 340 /**
 341  * to_ucontext - get user context
 342  * @ibucontext: ib user context
 343  **/
 344 static inline struct i40iw_ucontext *to_ucontext(struct ib_ucontext *ibucontext)
 345 {
 346         return container_of(ibucontext, struct i40iw_ucontext, ibucontext);
 347 }
 348
 349 /**
 350  * to_iwpd - get protection domain
 351  * @ibpd: ib pd
 352  **/
 353 static inline struct i40iw_pd *to_iwpd(struct ib_pd *ibpd)
 354 {
 355         return container_of(ibpd, struct i40iw_pd, ibpd);
 356 }
 357
 358 /**
 359  * to_iwmr - get device memory region
 360  * @ibdev: ib memory region
 361  **/
 362 static inline struct i40iw_mr *to_iwmr(struct ib_mr *ibmr)
 363 {
 364         return container_of(ibmr, struct i40iw_mr, ibmr);
 365 }
 366
 367 /**
 368  * to_iwmr_from_ibfmr - get device memory region
 369  * @ibfmr: ib fmr
 370  **/
 371 static inline struct i40iw_mr *to_iwmr_from_ibfmr(struct ib_fmr *ibfmr)
 372 {
 373         return container_of(ibfmr, struct i40iw_mr, ibfmr);
 374 }
 375
 376 /**
 377  * to_iwmw - get device memory window
 378  * @ibmw: ib memory window
 379  **/
 380 static inline struct i40iw_mr *to_iwmw(struct ib_mw *ibmw)
 381 {
 382         return container_of(ibmw, struct i40iw_mr, ibmw);
 383 }
 384
 385 /**
 386  * to_iwcq - get completion queue
 387  * @ibcq: ib cqdevice
 388  **/
 389 static inline struct i40iw_cq *to_iwcq(struct ib_cq *ibcq)
 390 {
 391         return container_of(ibcq, struct i40iw_cq, ibcq);
 392 }
 393
 394 /**
 395  * to_iwqp - get device qp
 396  * @ibqp: ib qp
 397  **/
 398 static inline struct i40iw_qp *to_iwqp(struct ib_qp *ibqp)
 399 {
 400         return container_of(ibqp, struct i40iw_qp, ibqp);
 401 }
 402
 403 /* i40iw.c */
 404 void i40iw_add_ref(struct ib_qp *);
 405 void i40iw_rem_ref(struct ib_qp *);
 406 struct ib_qp *i40iw_get_qp(struct ib_device *, int);
 407
 408 void i40iw_flush_wqes(struct i40iw_device *iwdev,
 409                       struct i40iw_qp *qp);
 410
 411 void i40iw_manage_arp_cache(struct i40iw_device *iwdev,
 412                             unsigned char *mac_addr,
 413                             u32 *ip_addr,
 414                             bool ipv4,
 415                             u32 action);
 416
 417 int i40iw_manage_apbvt(struct i40iw_device *iwdev,
 418                        u16 accel_local_port,
 419                        bool add_port);
 420
 421 struct i40iw_cqp_request *i40iw_get_cqp_request(struct i40iw_cqp *cqp, bool wait);
 422 void i40iw_free_cqp_request(struct i40iw_cqp *cqp, struct i40iw_cqp_request *cqp_request);
 423 void i40iw_put_cqp_request(struct i40iw_cqp *cqp, struct i40iw_cqp_request *cqp_request);
 424
 425 /**
 426  * i40iw_alloc_resource - allocate a resource
 427  * @iwdev: device pointer
 428  * @resource_array: resource bit array:
 429  * @max_resources: maximum resource number
 430  * @req_resources_num: Allocated resource number
 431  * @next: next free id
 432  **/
 433 static inline int i40iw_alloc_resource(struct i40iw_device *iwdev,
 434                                        unsigned long *resource_array,
 435                                        u32 max_resources,
 436                                        u32 *req_resource_num,
 437                                        u32 *next)
 438 {
 439         u32 resource_num;
 440         unsigned long flags;
 441
 442         spin_lock_irqsave(&iwdev->resource_lock, flags);
 443         resource_num = find_next_zero_bit(resource_array, max_resources, *next);
 444         if (resource_num >= max_resources) {
 445                 resource_num = find_first_zero_bit(resource_array, max_resources);
 446                 if (resource_num >= max_resources) {
 447                         spin_unlock_irqrestore(&iwdev->resource_lock, flags);
 448                         return -EOVERFLOW;
 449                 }
 450         }
 451         set_bit(resource_num, resource_array);
 452         *next = resource_num + 1;
 453         if (*next == max_resources)
 454                 *next = 0;
 455         *req_resource_num = resource_num;
 456         spin_unlock_irqrestore(&iwdev->resource_lock, flags);
 457
 458         return 0;
 459 }
 460
 461 /**
 462  * i40iw_is_resource_allocated - detrmine if resource is
 463  * allocated
 464  * @iwdev: device pointer
 465  * @resource_array: resource array for the resource_num
 466  * @resource_num: resource number to check
 467  **/
 468 static inline bool i40iw_is_resource_allocated(struct i40iw_device *iwdev,
 469                                                unsigned long *resource_array,
 470                                                u32 resource_num)
 471 {
 472         bool bit_is_set;
 473         unsigned long flags;
 474
 475         spin_lock_irqsave(&iwdev->resource_lock, flags);
 476
 477         bit_is_set = test_bit(resource_num, resource_array);
 478         spin_unlock_irqrestore(&iwdev->resource_lock, flags);
 479
 480         return bit_is_set;
 481 }
 482
 483 /**
 484  * i40iw_free_resource - free a resource
 485  * @iwdev: device pointer
 486  * @resource_array: resource array for the resource_num
 487  * @resource_num: resource number to free
 488  **/
 489 static inline void i40iw_free_resource(struct i40iw_device *iwdev,
 490                                        unsigned long *resource_array,
 491                                        u32 resource_num)
 492 {
 493         unsigned long flags;
 494
 495         spin_lock_irqsave(&iwdev->resource_lock, flags);
 496         clear_bit(resource_num, resource_array);
 497         spin_unlock_irqrestore(&iwdev->resource_lock, flags);
 498 }
 499
 500 /**
 501  * to_iwhdl - Get the handler from the device pointer
 502  * @iwdev: device pointer
 503  **/
 504 static inline struct i40iw_handler *to_iwhdl(struct i40iw_device *iw_dev)
 505 {
 506         return container_of(iw_dev, struct i40iw_handler, device);
 507 }
 508
 509 struct i40iw_handler *i40iw_find_netdev(struct net_device *netdev);
 510
 511 /**
 512  * iw_init_resources -
 513  */
 514 u32 i40iw_initialize_hw_resources(struct i40iw_device *iwdev);
 515
 516 int i40iw_register_rdma_device(struct i40iw_device *iwdev);
 517 void i40iw_port_ibevent(struct i40iw_device *iwdev);
 518 void i40iw_cm_disconn(struct i40iw_qp *iwqp);
 519 void i40iw_cm_disconn_worker(void *);
 520 int mini_cm_recv_pkt(struct i40iw_cm_core *, struct i40iw_device *,
 521                      struct sk_buff *);
 522
 523 enum i40iw_status_code i40iw_handle_cqp_op(struct i40iw_device *iwdev,
 524                                            struct i40iw_cqp_request *cqp_request);
 525 enum i40iw_status_code i40iw_add_mac_addr(struct i40iw_device *iwdev,
 526                                           u8 *mac_addr, u8 *mac_index);
 527 int i40iw_modify_qp(struct ib_qp *, struct ib_qp_attr *, int, struct ib_udata *);
 528 void i40iw_cq_wq_destroy(struct i40iw_device *iwdev, struct i40iw_sc_cq *cq);
 529
 530 void i40iw_rem_pdusecount(struct i40iw_pd *iwpd, struct i40iw_device *iwdev);
 531 void i40iw_add_pdusecount(struct i40iw_pd *iwpd);
 532 void i40iw_rem_devusecount(struct i40iw_device *iwdev);
 533 void i40iw_add_devusecount(struct i40iw_device *iwdev);
 534 void i40iw_hw_modify_qp(struct i40iw_device *iwdev, struct i40iw_qp *iwqp,
 535                         struct i40iw_modify_qp_info *info, bool wait);
 536
 537 void i40iw_qp_suspend_resume(struct i40iw_sc_dev *dev,
 538                              struct i40iw_sc_qp *qp,
 539                              bool suspend);
 540 enum i40iw_status_code i40iw_manage_qhash(struct i40iw_device *iwdev,
 541                                           struct i40iw_cm_info *cminfo,
 542                                           enum i40iw_quad_entry_type etype,
 543                                           enum i40iw_quad_hash_manage_type mtype,
 544                                           void *cmnode,
 545                                           bool wait);
 546 void i40iw_receive_ilq(struct i40iw_sc_vsi *vsi, struct i40iw_puda_buf *rbuf);
 547 void i40iw_free_sqbuf(struct i40iw_sc_vsi *vsi, void *bufp);
 548 void i40iw_free_qp_resources(struct i40iw_device *iwdev,
 549                              struct i40iw_qp *iwqp,
 550                              u32 qp_num);
 551 enum i40iw_status_code i40iw_obj_aligned_mem(struct i40iw_device *iwdev,
 552                                              struct i40iw_dma_mem *memptr,
 553                                              u32 size, u32 mask);
 554
 555 void i40iw_request_reset(struct i40iw_device *iwdev);
 556 void i40iw_destroy_rdma_device(struct i40iw_ib_device *iwibdev);
 557 void i40iw_setup_cm_core(struct i40iw_device *iwdev);
 558 void i40iw_cleanup_cm_core(struct i40iw_cm_core *cm_core);
 559 void i40iw_process_ceq(struct i40iw_device *, struct i40iw_ceq *iwceq);
 560 void i40iw_process_aeq(struct i40iw_device *);
 561 void i40iw_next_iw_state(struct i40iw_qp *iwqp,
 562                          u8 state, u8 del_hash,
 563                          u8 term, u8 term_len);
 564 int i40iw_send_syn(struct i40iw_cm_node *cm_node, u32 sendack);
 565 struct i40iw_cm_node *i40iw_find_node(struct i40iw_cm_core *cm_core,
 566                                       u16 rem_port,
 567                                       u32 *rem_addr,
 568                                       u16 loc_port,
 569                                       u32 *loc_addr,
 570                                       bool add_refcnt);
 571
 572 enum i40iw_status_code i40iw_hw_flush_wqes(struct i40iw_device *iwdev,
 573                                            struct i40iw_sc_qp *qp,
 574                                            struct i40iw_qp_flush_info *info,
 575                                            bool wait);
 576
 577 void i40iw_copy_ip_ntohl(u32 *dst, __be32 *src);
 578 struct ib_mr *i40iw_reg_phys_mr(struct ib_pd *ib_pd,
 579                                 u64 addr,
 580                                 u64 size,
 581                                 int acc,
 582                                 u64 *iova_start);
 583
 584 int i40iw_inetaddr_event(struct notifier_block *notifier,
 585                          unsigned long event,
 586                          void *ptr);
 587 int i40iw_inet6addr_event(struct notifier_block *notifier,
 588                           unsigned long event,
 589                           void *ptr);
 590 int i40iw_net_event(struct notifier_block *notifier,
 591                     unsigned long event,
 592                     void *ptr);
 593
 594 #endif