net/mac802154/cfg.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  *
   4  * Authors:
   5  * Alexander Aring <aar@pengutronix.de>
   6  *
   7  * Based on: net/mac80211/cfg.c
   8  */
   9
  10 #include <net/rtnetlink.h>
  11 #include <net/cfg802154.h>
  12
  13 #include "ieee802154_i.h"
  14 #include "driver-ops.h"
  15 #include "cfg.h"
  16
  17 static struct net_device *
  18 ieee802154_add_iface_deprecated(struct wpan_phy *wpan_phy,
  19                                 const char *name,
  20                                 unsigned char name_assign_type, int type)
  21 {
  22         struct ieee802154_local *local = wpan_phy_priv(wpan_phy);
  23         struct net_device *dev;
  24
  25         rtnl_lock();
  26         dev = ieee802154_if_add(local, name, name_assign_type, type,
  27                                 cpu_to_le64(0x0000000000000000ULL));
  28         rtnl_unlock();
  29
  30         return dev;
  31 }
  32
  33 static void ieee802154_del_iface_deprecated(struct wpan_phy *wpan_phy,
  34                                             struct net_device *dev)
  35 {
  36         struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
  37
  38         ieee802154_if_remove(sdata);
  39 }
  40
  41 #ifdef CONFIG_PM
  42 static int ieee802154_suspend(struct wpan_phy *wpan_phy)
  43 {
  44         struct ieee802154_local *local = wpan_phy_priv(wpan_phy);
  45
  46         if (!local->open_count)
  47                 goto suspend;
  48
  49         ieee802154_sync_and_hold_queue(local);
  50         synchronize_net();
  51
  52         /* stop hardware - this must stop RX */
  53         ieee802154_stop_device(local);
  54
  55 suspend:
  56         local->suspended = true;
  57         return 0;
  58 }
  59
  60 static int ieee802154_resume(struct wpan_phy *wpan_phy)
  61 {
  62         struct ieee802154_local *local = wpan_phy_priv(wpan_phy);
  63         int ret;
  64
  65         /* nothing to do if HW shouldn't run */
  66         if (!local->open_count)
  67                 goto wake_up;
  68
  69         /* restart hardware */
  70         ret = drv_start(local, local->phy->filtering, &local->addr_filt);
  71         if (ret)
  72                 return ret;
  73
  74 wake_up:
  75         ieee802154_release_queue(local);
  76         local->suspended = false;
  77         return 0;
  78 }
  79 #else
  80 #define ieee802154_suspend NULL
  81 #define ieee802154_resume NULL
  82 #endif
  83
  84 static int
  85 ieee802154_add_iface(struct wpan_phy *phy, const char *name,
  86                      unsigned char name_assign_type,
  87                      enum nl802154_iftype type, __le64 extended_addr)
  88 {
  89         struct ieee802154_local *local = wpan_phy_priv(phy);
  90         struct net_device *err;
  91
  92         err = ieee802154_if_add(local, name, name_assign_type, type,
  93                                 extended_addr);
  94         return PTR_ERR_OR_ZERO(err);
  95 }
  96
  97 static int
  98 ieee802154_del_iface(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev)
  99 {
 100         ieee802154_if_remove(IEEE802154_WPAN_DEV_TO_SUB_IF(wpan_dev));
 101
 102         return 0;
 103 }
 104
 105 static int
 106 ieee802154_set_channel(struct wpan_phy *wpan_phy, u8 page, u8 channel)
 107 {
 108         struct ieee802154_local *local = wpan_phy_priv(wpan_phy);
 109         int ret;
 110
 111         ASSERT_RTNL();
 112
 113         if (wpan_phy->current_page == page &&
 114             wpan_phy->current_channel == channel)
 115                 return 0;
 116
 117         /* Refuse to change channels during scanning or beaconing */
 118         if (mac802154_is_scanning(local) || mac802154_is_beaconing(local))
 119                 return -EBUSY;
 120
 121         ret = drv_set_channel(local, page, channel);
 122         if (!ret) {
 123                 wpan_phy->current_page = page;
 124                 wpan_phy->current_channel = channel;
 125                 ieee802154_configure_durations(wpan_phy, page, channel);
 126         }
 127
 128         return ret;
 129 }
 130
 131 static int
 132 ieee802154_set_cca_mode(struct wpan_phy *wpan_phy,
 133                         const struct wpan_phy_cca *cca)
 134 {
 135         struct ieee802154_local *local = wpan_phy_priv(wpan_phy);
 136         int ret;
 137
 138         ASSERT_RTNL();
 139
 140         if (wpan_phy_cca_cmp(&wpan_phy->cca, cca))
 141                 return 0;
 142
 143         ret = drv_set_cca_mode(local, cca);
 144         if (!ret)
 145                 wpan_phy->cca = *cca;
 146
 147         return ret;
 148 }
 149
 150 static int
 151 ieee802154_set_cca_ed_level(struct wpan_phy *wpan_phy, s32 ed_level)
 152 {
 153         struct ieee802154_local *local = wpan_phy_priv(wpan_phy);
 154         int ret;
 155
 156         ASSERT_RTNL();
 157
 158         if (wpan_phy->cca_ed_level == ed_level)
 159                 return 0;
 160
 161         ret = drv_set_cca_ed_level(local, ed_level);
 162         if (!ret)
 163                 wpan_phy->cca_ed_level = ed_level;
 164
 165         return ret;
 166 }
 167
 168 static int
 169 ieee802154_set_tx_power(struct wpan_phy *wpan_phy, s32 power)
 170 {
 171         struct ieee802154_local *local = wpan_phy_priv(wpan_phy);
 172         int ret;
 173
 174         ASSERT_RTNL();
 175
 176         if (wpan_phy->transmit_power == power)
 177                 return 0;
 178
 179         ret = drv_set_tx_power(local, power);
 180         if (!ret)
 181                 wpan_phy->transmit_power = power;
 182
 183         return ret;
 184 }
 185
 186 static int
 187 ieee802154_set_pan_id(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
 188                       __le16 pan_id)
 189 {
 190         int ret;
 191
 192         ASSERT_RTNL();
 193
 194         if (wpan_dev->pan_id == pan_id)
 195                 return 0;
 196
 197         ret = mac802154_wpan_update_llsec(wpan_dev->netdev);
 198         if (!ret)
 199                 wpan_dev->pan_id = pan_id;
 200
 201         return ret;
 202 }
 203
 204 static int
 205 ieee802154_set_backoff_exponent(struct wpan_phy *wpan_phy,
 206                                 struct wpan_dev *wpan_dev,
 207                                 u8 min_be, u8 max_be)
 208 {
 209         ASSERT_RTNL();
 210
 211         wpan_dev->min_be = min_be;
 212         wpan_dev->max_be = max_be;
 213         return 0;
 214 }
 215
 216 static int
 217 ieee802154_set_short_addr(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
 218                           __le16 short_addr)
 219 {
 220         ASSERT_RTNL();
 221
 222         wpan_dev->short_addr = short_addr;
 223         return 0;
 224 }
 225
 226 static int
 227 ieee802154_set_max_csma_backoffs(struct wpan_phy *wpan_phy,
 228                                  struct wpan_dev *wpan_dev,
 229                                  u8 max_csma_backoffs)
 230 {
 231         ASSERT_RTNL();
 232
 233         wpan_dev->csma_retries = max_csma_backoffs;
 234         return 0;
 235 }
 236
 237 static int
 238 ieee802154_set_max_frame_retries(struct wpan_phy *wpan_phy,
 239                                  struct wpan_dev *wpan_dev,
 240                                  s8 max_frame_retries)
 241 {
 242         ASSERT_RTNL();
 243
 244         wpan_dev->frame_retries = max_frame_retries;
 245         return 0;
 246 }
 247
 248 static int
 249 ieee802154_set_lbt_mode(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
 250                         bool mode)
 251 {
 252         ASSERT_RTNL();
 253
 254         wpan_dev->lbt = mode;
 255         return 0;
 256 }
 257
 258 static int
 259 ieee802154_set_ackreq_default(struct wpan_phy *wpan_phy,
 260                               struct wpan_dev *wpan_dev, bool ackreq)
 261 {
 262         ASSERT_RTNL();
 263
 264         wpan_dev->ackreq = ackreq;
 265         return 0;
 266 }
 267
 268 static int mac802154_trigger_scan(struct wpan_phy *wpan_phy,
 269                                   struct cfg802154_scan_request *request)
 270 {
 271         struct ieee802154_sub_if_data *sdata;
 272
 273         sdata = IEEE802154_WPAN_DEV_TO_SUB_IF(request->wpan_dev);
 274
 275         ASSERT_RTNL();
 276
 277         return mac802154_trigger_scan_locked(sdata, request);
 278 }
 279
 280 static int mac802154_abort_scan(struct wpan_phy *wpan_phy,
 281                                 struct wpan_dev *wpan_dev)
 282 {
 283         struct ieee802154_local *local = wpan_phy_priv(wpan_phy);
 284         struct ieee802154_sub_if_data *sdata;
 285
 286         sdata = IEEE802154_WPAN_DEV_TO_SUB_IF(wpan_dev);
 287
 288         ASSERT_RTNL();
 289
 290         return mac802154_abort_scan_locked(local, sdata);
 291 }
 292
 293 static int mac802154_send_beacons(struct wpan_phy *wpan_phy,
 294                                   struct cfg802154_beacon_request *request)
 295 {
 296         struct ieee802154_sub_if_data *sdata;
 297
 298         sdata = IEEE802154_WPAN_DEV_TO_SUB_IF(request->wpan_dev);
 299
 300         ASSERT_RTNL();
 301
 302         return mac802154_send_beacons_locked(sdata, request);
 303 }
 304
 305 static int mac802154_stop_beacons(struct wpan_phy *wpan_phy,
 306                                   struct wpan_dev *wpan_dev)
 307 {
 308         struct ieee802154_local *local = wpan_phy_priv(wpan_phy);
 309         struct ieee802154_sub_if_data *sdata;
 310
 311         sdata = IEEE802154_WPAN_DEV_TO_SUB_IF(wpan_dev);
 312
 313         ASSERT_RTNL();
 314
 315         return mac802154_stop_beacons_locked(local, sdata);
 316 }
 317
 318 static int mac802154_associate(struct wpan_phy *wpan_phy,
 319                                struct wpan_dev *wpan_dev,
 320                                struct ieee802154_addr *coord)
 321 {
 322         struct ieee802154_local *local = wpan_phy_priv(wpan_phy);
 323         u64 ceaddr = swab64((__force u64)coord->extended_addr);
 324         struct ieee802154_sub_if_data *sdata;
 325         struct ieee802154_pan_device *parent;
 326         __le16 short_addr;
 327         int ret;
 328
 329         ASSERT_RTNL();
 330
 331         sdata = IEEE802154_WPAN_DEV_TO_SUB_IF(wpan_dev);
 332
 333         if (wpan_dev->parent) {
 334                 dev_err(&sdata->dev->dev,
 335                         "Device %8phC is already associated\n", &ceaddr);
 336                 return -EPERM;
 337         }
 338
 339         if (coord->mode == IEEE802154_SHORT_ADDRESSING)
 340                 return -EINVAL;
 341
 342         parent = kzalloc(sizeof(*parent), GFP_KERNEL);
 343         if (!parent)
 344                 return -ENOMEM;
 345
 346         parent->pan_id = coord->pan_id;
 347         parent->mode = coord->mode;
 348         parent->extended_addr = coord->extended_addr;
 349         parent->short_addr = cpu_to_le16(IEEE802154_ADDR_SHORT_BROADCAST);
 350
 351         /* Set the PAN ID hardware address filter beforehand to avoid dropping
 352          * the association response with a destination PAN ID field set to the
 353          * "new" PAN ID.
 354          */
 355         if (local->hw.flags & IEEE802154_HW_AFILT) {
 356                 ret = drv_set_pan_id(local, coord->pan_id);
 357                 if (ret < 0)
 358                         goto free_parent;
 359         }
 360
 361         ret = mac802154_perform_association(sdata, parent, &short_addr);
 362         if (ret)
 363                 goto reset_panid;
 364
 365         if (local->hw.flags & IEEE802154_HW_AFILT) {
 366                 ret = drv_set_short_addr(local, short_addr);
 367                 if (ret < 0)
 368                         goto reset_panid;
 369         }
 370
 371         wpan_dev->pan_id = coord->pan_id;
 372         wpan_dev->short_addr = short_addr;
 373         wpan_dev->parent = parent;
 374
 375         return 0;
 376
 377 reset_panid:
 378         if (local->hw.flags & IEEE802154_HW_AFILT)
 379                 drv_set_pan_id(local, cpu_to_le16(IEEE802154_PAN_ID_BROADCAST));
 380
 381 free_parent:
 382         kfree(parent);
 383         return ret;
 384 }
 385
 386 static int mac802154_disassociate_from_parent(struct wpan_phy *wpan_phy,
 387                                               struct wpan_dev *wpan_dev)
 388 {
 389         struct ieee802154_local *local = wpan_phy_priv(wpan_phy);
 390         struct ieee802154_pan_device *child, *tmp;
 391         struct ieee802154_sub_if_data *sdata;
 392         unsigned int max_assoc;
 393         u64 eaddr;
 394         int ret;
 395
 396         sdata = IEEE802154_WPAN_DEV_TO_SUB_IF(wpan_dev);
 397
 398         /* Start by disassociating all the children and preventing new ones to
 399          * attempt associations.
 400          */
 401         max_assoc = cfg802154_set_max_associations(wpan_dev, 0);
 402         list_for_each_entry_safe(child, tmp, &wpan_dev->children, node) {
 403                 ret = mac802154_send_disassociation_notif(sdata, child,
 404                                                           IEEE802154_COORD_WISHES_DEVICE_TO_LEAVE);
 405                 if (ret) {
 406                         eaddr = swab64((__force u64)child->extended_addr);
 407                         dev_err(&sdata->dev->dev,
 408                                 "Disassociation with %8phC may have failed (%d)\n",
 409                                 &eaddr, ret);
 410                 }
 411
 412                 list_del(&child->node);
 413         }
 414
 415         ret = mac802154_send_disassociation_notif(sdata, wpan_dev->parent,
 416                                                   IEEE802154_DEVICE_WISHES_TO_LEAVE);
 417         if (ret) {
 418                 eaddr = swab64((__force u64)wpan_dev->parent->extended_addr);
 419                 dev_err(&sdata->dev->dev,
 420                         "Disassociation from %8phC may have failed (%d)\n",
 421                         &eaddr, ret);
 422         }
 423
 424         ret = 0;
 425
 426         kfree(wpan_dev->parent);
 427         wpan_dev->parent = NULL;
 428         wpan_dev->pan_id = cpu_to_le16(IEEE802154_PAN_ID_BROADCAST);
 429         wpan_dev->short_addr = cpu_to_le16(IEEE802154_ADDR_SHORT_BROADCAST);
 430
 431         if (local->hw.flags & IEEE802154_HW_AFILT) {
 432                 ret = drv_set_pan_id(local, wpan_dev->pan_id);
 433                 if (ret < 0)
 434                         goto reset_mac_assoc;
 435
 436                 ret = drv_set_short_addr(local, wpan_dev->short_addr);
 437                 if (ret < 0)
 438                         goto reset_mac_assoc;
 439         }
 440
 441 reset_mac_assoc:
 442         cfg802154_set_max_associations(wpan_dev, max_assoc);
 443
 444         return ret;
 445 }
 446
 447 static int mac802154_disassociate_child(struct wpan_phy *wpan_phy,
 448                                         struct wpan_dev *wpan_dev,
 449                                         struct ieee802154_pan_device *child)
 450 {
 451         struct ieee802154_sub_if_data *sdata;
 452         int ret;
 453
 454         sdata = IEEE802154_WPAN_DEV_TO_SUB_IF(wpan_dev);
 455
 456         ret = mac802154_send_disassociation_notif(sdata, child,
 457                                                   IEEE802154_COORD_WISHES_DEVICE_TO_LEAVE);
 458         if (ret)
 459                 return ret;
 460
 461         list_del(&child->node);
 462         wpan_dev->nchildren--;
 463         kfree(child);
 464
 465         return 0;
 466 }
 467
 468 static int mac802154_disassociate(struct wpan_phy *wpan_phy,
 469                                   struct wpan_dev *wpan_dev,
 470                                   struct ieee802154_addr *target)
 471 {
 472         u64 teaddr = swab64((__force u64)target->extended_addr);
 473         struct ieee802154_pan_device *pan_device;
 474
 475         ASSERT_RTNL();
 476
 477         if (cfg802154_device_is_parent(wpan_dev, target))
 478                 return mac802154_disassociate_from_parent(wpan_phy, wpan_dev);
 479
 480         pan_device = cfg802154_device_is_child(wpan_dev, target);
 481         if (pan_device)
 482                 return mac802154_disassociate_child(wpan_phy, wpan_dev,
 483                                                     pan_device);
 484
 485         dev_err(&wpan_dev->netdev->dev,
 486                 "Device %8phC is not associated with us\n", &teaddr);
 487
 488         return -EINVAL;
 489 }
 490
 491 #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
 492 static void
 493 ieee802154_get_llsec_table(struct wpan_phy *wpan_phy,
 494                            struct wpan_dev *wpan_dev,
 495                            struct ieee802154_llsec_table **table)
 496 {
 497         struct net_device *dev = wpan_dev->netdev;
 498         struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
 499
 500         *table = &sdata->sec.table;
 501 }
 502
 503 static void
 504 ieee802154_lock_llsec_table(struct wpan_phy *wpan_phy,
 505                             struct wpan_dev *wpan_dev)
 506 {
 507         struct net_device *dev = wpan_dev->netdev;
 508         struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
 509
 510         mutex_lock(&sdata->sec_mtx);
 511 }
 512
 513 static void
 514 ieee802154_unlock_llsec_table(struct wpan_phy *wpan_phy,
 515                               struct wpan_dev *wpan_dev)
 516 {
 517         struct net_device *dev = wpan_dev->netdev;
 518         struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
 519
 520         mutex_unlock(&sdata->sec_mtx);
 521 }
 522
 523 static int
 524 ieee802154_set_llsec_params(struct wpan_phy *wpan_phy,
 525                             struct wpan_dev *wpan_dev,
 526                             const struct ieee802154_llsec_params *params,
 527                             int changed)
 528 {
 529         struct net_device *dev = wpan_dev->netdev;
 530         struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
 531         int res;
 532
 533         mutex_lock(&sdata->sec_mtx);
 534         res = mac802154_llsec_set_params(&sdata->sec, params, changed);
 535         mutex_unlock(&sdata->sec_mtx);
 536
 537         return res;
 538 }
 539
 540 static int
 541 ieee802154_get_llsec_params(struct wpan_phy *wpan_phy,
 542                             struct wpan_dev *wpan_dev,
 543                             struct ieee802154_llsec_params *params)
 544 {
 545         struct net_device *dev = wpan_dev->netdev;
 546         struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
 547         int res;
 548
 549         mutex_lock(&sdata->sec_mtx);
 550         res = mac802154_llsec_get_params(&sdata->sec, params);
 551         mutex_unlock(&sdata->sec_mtx);
 552
 553         return res;
 554 }
 555
 556 static int
 557 ieee802154_add_llsec_key(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
 558                          const struct ieee802154_llsec_key_id *id,
 559                          const struct ieee802154_llsec_key *key)
 560 {
 561         struct net_device *dev = wpan_dev->netdev;
 562         struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
 563         int res;
 564
 565         mutex_lock(&sdata->sec_mtx);
 566         res = mac802154_llsec_key_add(&sdata->sec, id, key);
 567         mutex_unlock(&sdata->sec_mtx);
 568
 569         return res;
 570 }
 571
 572 static int
 573 ieee802154_del_llsec_key(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
 574                          const struct ieee802154_llsec_key_id *id)
 575 {
 576         struct net_device *dev = wpan_dev->netdev;
 577         struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
 578         int res;
 579
 580         mutex_lock(&sdata->sec_mtx);
 581         res = mac802154_llsec_key_del(&sdata->sec, id);
 582         mutex_unlock(&sdata->sec_mtx);
 583
 584         return res;
 585 }
 586
 587 static int
 588 ieee802154_add_seclevel(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
 589                         const struct ieee802154_llsec_seclevel *sl)
 590 {
 591         struct net_device *dev = wpan_dev->netdev;
 592         struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
 593         int res;
 594
 595         mutex_lock(&sdata->sec_mtx);
 596         res = mac802154_llsec_seclevel_add(&sdata->sec, sl);
 597         mutex_unlock(&sdata->sec_mtx);
 598
 599         return res;
 600 }
 601
 602 static int
 603 ieee802154_del_seclevel(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
 604                         const struct ieee802154_llsec_seclevel *sl)
 605 {
 606         struct net_device *dev = wpan_dev->netdev;
 607         struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
 608         int res;
 609
 610         mutex_lock(&sdata->sec_mtx);
 611         res = mac802154_llsec_seclevel_del(&sdata->sec, sl);
 612         mutex_unlock(&sdata->sec_mtx);
 613
 614         return res;
 615 }
 616
 617 static int
 618 ieee802154_add_device(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
 619                       const struct ieee802154_llsec_device *dev_desc)
 620 {
 621         struct net_device *dev = wpan_dev->netdev;
 622         struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
 623         int res;
 624
 625         mutex_lock(&sdata->sec_mtx);
 626         res = mac802154_llsec_dev_add(&sdata->sec, dev_desc);
 627         mutex_unlock(&sdata->sec_mtx);
 628
 629         return res;
 630 }
 631
 632 static int
 633 ieee802154_del_device(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
 634                       __le64 extended_addr)
 635 {
 636         struct net_device *dev = wpan_dev->netdev;
 637         struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
 638         int res;
 639
 640         mutex_lock(&sdata->sec_mtx);
 641         res = mac802154_llsec_dev_del(&sdata->sec, extended_addr);
 642         mutex_unlock(&sdata->sec_mtx);
 643
 644         return res;
 645 }
 646
 647 static int
 648 ieee802154_add_devkey(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
 649                       __le64 extended_addr,
 650                       const struct ieee802154_llsec_device_key *key)
 651 {
 652         struct net_device *dev = wpan_dev->netdev;
 653         struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
 654         int res;
 655
 656         mutex_lock(&sdata->sec_mtx);
 657         res = mac802154_llsec_devkey_add(&sdata->sec, extended_addr, key);
 658         mutex_unlock(&sdata->sec_mtx);
 659
 660         return res;
 661 }
 662
 663 static int
 664 ieee802154_del_devkey(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
 665                       __le64 extended_addr,
 666                       const struct ieee802154_llsec_device_key *key)
 667 {
 668         struct net_device *dev = wpan_dev->netdev;
 669         struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
 670         int res;
 671
 672         mutex_lock(&sdata->sec_mtx);
 673         res = mac802154_llsec_devkey_del(&sdata->sec, extended_addr, key);
 674         mutex_unlock(&sdata->sec_mtx);
 675
 676         return res;
 677 }
 678 #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
 679
 680 const struct cfg802154_ops mac802154_config_ops = {
 681         .add_virtual_intf_deprecated = ieee802154_add_iface_deprecated,
 682         .del_virtual_intf_deprecated = ieee802154_del_iface_deprecated,
 683         .suspend = ieee802154_suspend,
 684         .resume = ieee802154_resume,
 685         .add_virtual_intf = ieee802154_add_iface,
 686         .del_virtual_intf = ieee802154_del_iface,
 687         .set_channel = ieee802154_set_channel,
 688         .set_cca_mode = ieee802154_set_cca_mode,
 689         .set_cca_ed_level = ieee802154_set_cca_ed_level,
 690         .set_tx_power = ieee802154_set_tx_power,
 691         .set_pan_id = ieee802154_set_pan_id,
 692         .set_short_addr = ieee802154_set_short_addr,
 693         .set_backoff_exponent = ieee802154_set_backoff_exponent,
 694         .set_max_csma_backoffs = ieee802154_set_max_csma_backoffs,
 695         .set_max_frame_retries = ieee802154_set_max_frame_retries,
 696         .set_lbt_mode = ieee802154_set_lbt_mode,
 697         .set_ackreq_default = ieee802154_set_ackreq_default,
 698         .trigger_scan = mac802154_trigger_scan,
 699         .abort_scan = mac802154_abort_scan,
 700         .send_beacons = mac802154_send_beacons,
 701         .stop_beacons = mac802154_stop_beacons,
 702         .associate = mac802154_associate,
 703         .disassociate = mac802154_disassociate,
 704 #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
 705         .get_llsec_table = ieee802154_get_llsec_table,
 706         .lock_llsec_table = ieee802154_lock_llsec_table,
 707         .unlock_llsec_table = ieee802154_unlock_llsec_table,
 708         /* TODO above */
 709         .set_llsec_params = ieee802154_set_llsec_params,
 710         .get_llsec_params = ieee802154_get_llsec_params,
 711         .add_llsec_key = ieee802154_add_llsec_key,
 712         .del_llsec_key = ieee802154_del_llsec_key,
 713         .add_seclevel = ieee802154_add_seclevel,
 714         .del_seclevel = ieee802154_del_seclevel,
 715         .add_device = ieee802154_add_device,
 716         .del_device = ieee802154_del_device,
 717         .add_devkey = ieee802154_add_devkey,
 718         .del_devkey = ieee802154_del_devkey,
 719 #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
 720 };