wpa_auth_glue.c revision cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50e
1/* 2 * hostapd / WPA authenticator glue code 3 * Copyright (c) 2002-2012, Jouni Malinen <j@w1.fi> 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 */ 8 9#include "utils/includes.h" 10 11#include "utils/common.h" 12#include "common/ieee802_11_defs.h" 13#include "common/sae.h" 14#include "eapol_auth/eapol_auth_sm.h" 15#include "eapol_auth/eapol_auth_sm_i.h" 16#include "eap_server/eap.h" 17#include "l2_packet/l2_packet.h" 18#include "hostapd.h" 19#include "ieee802_1x.h" 20#include "preauth_auth.h" 21#include "sta_info.h" 22#include "tkip_countermeasures.h" 23#include "ap_drv_ops.h" 24#include "ap_config.h" 25#include "wpa_auth.h" 26#include "wpa_auth_glue.h" 27 28 29static void hostapd_wpa_auth_conf(struct hostapd_bss_config *conf, 30 struct hostapd_config *iconf, 31 struct wpa_auth_config *wconf) 32{ 33 os_memset(wconf, 0, sizeof(*wconf)); 34 wconf->wpa = conf->wpa; 35 wconf->wpa_key_mgmt = conf->wpa_key_mgmt; 36 wconf->wpa_pairwise = conf->wpa_pairwise; 37 wconf->wpa_group = conf->wpa_group; 38 wconf->wpa_group_rekey = conf->wpa_group_rekey; 39 wconf->wpa_strict_rekey = conf->wpa_strict_rekey; 40 wconf->wpa_gmk_rekey = conf->wpa_gmk_rekey; 41 wconf->wpa_ptk_rekey = conf->wpa_ptk_rekey; 42 wconf->rsn_pairwise = conf->rsn_pairwise; 43 wconf->rsn_preauth = conf->rsn_preauth; 44 wconf->eapol_version = conf->eapol_version; 45 wconf->peerkey = conf->peerkey; 46 wconf->wmm_enabled = conf->wmm_enabled; 47 wconf->wmm_uapsd = conf->wmm_uapsd; 48 wconf->disable_pmksa_caching = conf->disable_pmksa_caching; 49 wconf->okc = conf->okc; 50#ifdef CONFIG_IEEE80211W 51 wconf->ieee80211w = conf->ieee80211w; 52#endif /* CONFIG_IEEE80211W */ 53#ifdef CONFIG_IEEE80211R 54 wconf->ssid_len = conf->ssid.ssid_len; 55 if (wconf->ssid_len > SSID_LEN) 56 wconf->ssid_len = SSID_LEN; 57 os_memcpy(wconf->ssid, conf->ssid.ssid, wconf->ssid_len); 58 os_memcpy(wconf->mobility_domain, conf->mobility_domain, 59 MOBILITY_DOMAIN_ID_LEN); 60 if (conf->nas_identifier && 61 os_strlen(conf->nas_identifier) <= FT_R0KH_ID_MAX_LEN) { 62 wconf->r0_key_holder_len = os_strlen(conf->nas_identifier); 63 os_memcpy(wconf->r0_key_holder, conf->nas_identifier, 64 wconf->r0_key_holder_len); 65 } 66 os_memcpy(wconf->r1_key_holder, conf->r1_key_holder, FT_R1KH_ID_LEN); 67 wconf->r0_key_lifetime = conf->r0_key_lifetime; 68 wconf->reassociation_deadline = conf->reassociation_deadline; 69 wconf->r0kh_list = conf->r0kh_list; 70 wconf->r1kh_list = conf->r1kh_list; 71 wconf->pmk_r1_push = conf->pmk_r1_push; 72 wconf->ft_over_ds = conf->ft_over_ds; 73#endif /* CONFIG_IEEE80211R */ 74#ifdef CONFIG_HS20 75 wconf->disable_gtk = conf->disable_dgaf; 76#endif /* CONFIG_HS20 */ 77#ifdef CONFIG_TESTING_OPTIONS 78 wconf->corrupt_gtk_rekey_mic_probability = 79 iconf->corrupt_gtk_rekey_mic_probability; 80#endif /* CONFIG_TESTING_OPTIONS */ 81#ifdef CONFIG_P2P 82 os_memcpy(wconf->ip_addr_go, conf->ip_addr_go, 4); 83 os_memcpy(wconf->ip_addr_mask, conf->ip_addr_mask, 4); 84 os_memcpy(wconf->ip_addr_start, conf->ip_addr_start, 4); 85 os_memcpy(wconf->ip_addr_end, conf->ip_addr_end, 4); 86#endif /* CONFIG_P2P */ 87} 88 89 90static void hostapd_wpa_auth_logger(void *ctx, const u8 *addr, 91 logger_level level, const char *txt) 92{ 93#ifndef CONFIG_NO_HOSTAPD_LOGGER 94 struct hostapd_data *hapd = ctx; 95 int hlevel; 96 97 switch (level) { 98 case LOGGER_WARNING: 99 hlevel = HOSTAPD_LEVEL_WARNING; 100 break; 101 case LOGGER_INFO: 102 hlevel = HOSTAPD_LEVEL_INFO; 103 break; 104 case LOGGER_DEBUG: 105 default: 106 hlevel = HOSTAPD_LEVEL_DEBUG; 107 break; 108 } 109 110 hostapd_logger(hapd, addr, HOSTAPD_MODULE_WPA, hlevel, "%s", txt); 111#endif /* CONFIG_NO_HOSTAPD_LOGGER */ 112} 113 114 115static void hostapd_wpa_auth_disconnect(void *ctx, const u8 *addr, 116 u16 reason) 117{ 118 struct hostapd_data *hapd = ctx; 119 wpa_printf(MSG_DEBUG, "%s: WPA authenticator requests disconnect: " 120 "STA " MACSTR " reason %d", 121 __func__, MAC2STR(addr), reason); 122 ap_sta_disconnect(hapd, NULL, addr, reason); 123} 124 125 126static int hostapd_wpa_auth_mic_failure_report(void *ctx, const u8 *addr) 127{ 128 struct hostapd_data *hapd = ctx; 129 return michael_mic_failure(hapd, addr, 0); 130} 131 132 133static void hostapd_wpa_auth_set_eapol(void *ctx, const u8 *addr, 134 wpa_eapol_variable var, int value) 135{ 136 struct hostapd_data *hapd = ctx; 137 struct sta_info *sta = ap_get_sta(hapd, addr); 138 if (sta == NULL) 139 return; 140 switch (var) { 141 case WPA_EAPOL_portEnabled: 142 ieee802_1x_notify_port_enabled(sta->eapol_sm, value); 143 break; 144 case WPA_EAPOL_portValid: 145 ieee802_1x_notify_port_valid(sta->eapol_sm, value); 146 break; 147 case WPA_EAPOL_authorized: 148 ieee802_1x_set_sta_authorized(hapd, sta, value); 149 break; 150 case WPA_EAPOL_portControl_Auto: 151 if (sta->eapol_sm) 152 sta->eapol_sm->portControl = Auto; 153 break; 154 case WPA_EAPOL_keyRun: 155 if (sta->eapol_sm) 156 sta->eapol_sm->keyRun = value ? TRUE : FALSE; 157 break; 158 case WPA_EAPOL_keyAvailable: 159 if (sta->eapol_sm) 160 sta->eapol_sm->eap_if->eapKeyAvailable = 161 value ? TRUE : FALSE; 162 break; 163 case WPA_EAPOL_keyDone: 164 if (sta->eapol_sm) 165 sta->eapol_sm->keyDone = value ? TRUE : FALSE; 166 break; 167 case WPA_EAPOL_inc_EapolFramesTx: 168 if (sta->eapol_sm) 169 sta->eapol_sm->dot1xAuthEapolFramesTx++; 170 break; 171 } 172} 173 174 175static int hostapd_wpa_auth_get_eapol(void *ctx, const u8 *addr, 176 wpa_eapol_variable var) 177{ 178 struct hostapd_data *hapd = ctx; 179 struct sta_info *sta = ap_get_sta(hapd, addr); 180 if (sta == NULL || sta->eapol_sm == NULL) 181 return -1; 182 switch (var) { 183 case WPA_EAPOL_keyRun: 184 return sta->eapol_sm->keyRun; 185 case WPA_EAPOL_keyAvailable: 186 return sta->eapol_sm->eap_if->eapKeyAvailable; 187 default: 188 return -1; 189 } 190} 191 192 193static const u8 * hostapd_wpa_auth_get_psk(void *ctx, const u8 *addr, 194 const u8 *p2p_dev_addr, 195 const u8 *prev_psk) 196{ 197 struct hostapd_data *hapd = ctx; 198 struct sta_info *sta = ap_get_sta(hapd, addr); 199 const u8 *psk; 200 201#ifdef CONFIG_SAE 202 if (sta && sta->auth_alg == WLAN_AUTH_SAE) { 203 if (!sta->sae || prev_psk) 204 return NULL; 205 return sta->sae->pmk; 206 } 207#endif /* CONFIG_SAE */ 208 209 psk = hostapd_get_psk(hapd->conf, addr, p2p_dev_addr, prev_psk); 210 /* 211 * This is about to iterate over all psks, prev_psk gives the last 212 * returned psk which should not be returned again. 213 * logic list (all hostapd_get_psk; all sta->psk) 214 */ 215 if (sta && sta->psk && !psk) { 216 struct hostapd_sta_wpa_psk_short *pos; 217 psk = sta->psk->psk; 218 for (pos = sta->psk; pos; pos = pos->next) { 219 if (pos->psk == prev_psk) { 220 psk = pos->next ? pos->next->psk : NULL; 221 break; 222 } 223 } 224 } 225 return psk; 226} 227 228 229static int hostapd_wpa_auth_get_msk(void *ctx, const u8 *addr, u8 *msk, 230 size_t *len) 231{ 232 struct hostapd_data *hapd = ctx; 233 const u8 *key; 234 size_t keylen; 235 struct sta_info *sta; 236 237 sta = ap_get_sta(hapd, addr); 238 if (sta == NULL) 239 return -1; 240 241 key = ieee802_1x_get_key(sta->eapol_sm, &keylen); 242 if (key == NULL) 243 return -1; 244 245 if (keylen > *len) 246 keylen = *len; 247 os_memcpy(msk, key, keylen); 248 *len = keylen; 249 250 return 0; 251} 252 253 254static int hostapd_wpa_auth_set_key(void *ctx, int vlan_id, enum wpa_alg alg, 255 const u8 *addr, int idx, u8 *key, 256 size_t key_len) 257{ 258 struct hostapd_data *hapd = ctx; 259 const char *ifname = hapd->conf->iface; 260 261 if (vlan_id > 0) { 262 ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan, vlan_id); 263 if (ifname == NULL) 264 return -1; 265 } 266 267 return hostapd_drv_set_key(ifname, hapd, alg, addr, idx, 1, NULL, 0, 268 key, key_len); 269} 270 271 272static int hostapd_wpa_auth_get_seqnum(void *ctx, const u8 *addr, int idx, 273 u8 *seq) 274{ 275 struct hostapd_data *hapd = ctx; 276 return hostapd_get_seqnum(hapd->conf->iface, hapd, addr, idx, seq); 277} 278 279 280static int hostapd_wpa_auth_send_eapol(void *ctx, const u8 *addr, 281 const u8 *data, size_t data_len, 282 int encrypt) 283{ 284 struct hostapd_data *hapd = ctx; 285 struct sta_info *sta; 286 u32 flags = 0; 287 288 sta = ap_get_sta(hapd, addr); 289 if (sta) 290 flags = hostapd_sta_flags_to_drv(sta->flags); 291 292 return hostapd_drv_hapd_send_eapol(hapd, addr, data, data_len, 293 encrypt, flags); 294} 295 296 297static int hostapd_wpa_auth_for_each_sta( 298 void *ctx, int (*cb)(struct wpa_state_machine *sm, void *ctx), 299 void *cb_ctx) 300{ 301 struct hostapd_data *hapd = ctx; 302 struct sta_info *sta; 303 304 for (sta = hapd->sta_list; sta; sta = sta->next) { 305 if (sta->wpa_sm && cb(sta->wpa_sm, cb_ctx)) 306 return 1; 307 } 308 return 0; 309} 310 311 312struct wpa_auth_iface_iter_data { 313 int (*cb)(struct wpa_authenticator *sm, void *ctx); 314 void *cb_ctx; 315}; 316 317static int wpa_auth_iface_iter(struct hostapd_iface *iface, void *ctx) 318{ 319 struct wpa_auth_iface_iter_data *data = ctx; 320 size_t i; 321 for (i = 0; i < iface->num_bss; i++) { 322 if (iface->bss[i]->wpa_auth && 323 data->cb(iface->bss[i]->wpa_auth, data->cb_ctx)) 324 return 1; 325 } 326 return 0; 327} 328 329 330static int hostapd_wpa_auth_for_each_auth( 331 void *ctx, int (*cb)(struct wpa_authenticator *sm, void *ctx), 332 void *cb_ctx) 333{ 334 struct hostapd_data *hapd = ctx; 335 struct wpa_auth_iface_iter_data data; 336 if (hapd->iface->interfaces == NULL || 337 hapd->iface->interfaces->for_each_interface == NULL) 338 return -1; 339 data.cb = cb; 340 data.cb_ctx = cb_ctx; 341 return hapd->iface->interfaces->for_each_interface( 342 hapd->iface->interfaces, wpa_auth_iface_iter, &data); 343} 344 345 346#ifdef CONFIG_IEEE80211R 347 348struct wpa_auth_ft_iface_iter_data { 349 struct hostapd_data *src_hapd; 350 const u8 *dst; 351 const u8 *data; 352 size_t data_len; 353}; 354 355 356static int hostapd_wpa_auth_ft_iter(struct hostapd_iface *iface, void *ctx) 357{ 358 struct wpa_auth_ft_iface_iter_data *idata = ctx; 359 struct hostapd_data *hapd; 360 size_t j; 361 362 for (j = 0; j < iface->num_bss; j++) { 363 hapd = iface->bss[j]; 364 if (hapd == idata->src_hapd) 365 continue; 366 if (os_memcmp(hapd->own_addr, idata->dst, ETH_ALEN) == 0) { 367 wpa_printf(MSG_DEBUG, "FT: Send RRB data directly to " 368 "locally managed BSS " MACSTR "@%s -> " 369 MACSTR "@%s", 370 MAC2STR(idata->src_hapd->own_addr), 371 idata->src_hapd->conf->iface, 372 MAC2STR(hapd->own_addr), hapd->conf->iface); 373 wpa_ft_rrb_rx(hapd->wpa_auth, 374 idata->src_hapd->own_addr, 375 idata->data, idata->data_len); 376 return 1; 377 } 378 } 379 380 return 0; 381} 382 383#endif /* CONFIG_IEEE80211R */ 384 385 386static int hostapd_wpa_auth_send_ether(void *ctx, const u8 *dst, u16 proto, 387 const u8 *data, size_t data_len) 388{ 389 struct hostapd_data *hapd = ctx; 390 struct l2_ethhdr *buf; 391 int ret; 392 393#ifdef CONFIG_IEEE80211R 394 if (proto == ETH_P_RRB && hapd->iface->interfaces && 395 hapd->iface->interfaces->for_each_interface) { 396 int res; 397 struct wpa_auth_ft_iface_iter_data idata; 398 idata.src_hapd = hapd; 399 idata.dst = dst; 400 idata.data = data; 401 idata.data_len = data_len; 402 res = hapd->iface->interfaces->for_each_interface( 403 hapd->iface->interfaces, hostapd_wpa_auth_ft_iter, 404 &idata); 405 if (res == 1) 406 return data_len; 407 } 408#endif /* CONFIG_IEEE80211R */ 409 410 if (hapd->driver && hapd->driver->send_ether) 411 return hapd->driver->send_ether(hapd->drv_priv, dst, 412 hapd->own_addr, proto, 413 data, data_len); 414 if (hapd->l2 == NULL) 415 return -1; 416 417 buf = os_malloc(sizeof(*buf) + data_len); 418 if (buf == NULL) 419 return -1; 420 os_memcpy(buf->h_dest, dst, ETH_ALEN); 421 os_memcpy(buf->h_source, hapd->own_addr, ETH_ALEN); 422 buf->h_proto = host_to_be16(proto); 423 os_memcpy(buf + 1, data, data_len); 424 ret = l2_packet_send(hapd->l2, dst, proto, (u8 *) buf, 425 sizeof(*buf) + data_len); 426 os_free(buf); 427 return ret; 428} 429 430 431#ifdef CONFIG_IEEE80211R 432 433static int hostapd_wpa_auth_send_ft_action(void *ctx, const u8 *dst, 434 const u8 *data, size_t data_len) 435{ 436 struct hostapd_data *hapd = ctx; 437 int res; 438 struct ieee80211_mgmt *m; 439 size_t mlen; 440 struct sta_info *sta; 441 442 sta = ap_get_sta(hapd, dst); 443 if (sta == NULL || sta->wpa_sm == NULL) 444 return -1; 445 446 m = os_zalloc(sizeof(*m) + data_len); 447 if (m == NULL) 448 return -1; 449 mlen = ((u8 *) &m->u - (u8 *) m) + data_len; 450 m->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, 451 WLAN_FC_STYPE_ACTION); 452 os_memcpy(m->da, dst, ETH_ALEN); 453 os_memcpy(m->sa, hapd->own_addr, ETH_ALEN); 454 os_memcpy(m->bssid, hapd->own_addr, ETH_ALEN); 455 os_memcpy(&m->u, data, data_len); 456 457 res = hostapd_drv_send_mlme(hapd, (u8 *) m, mlen, 0); 458 os_free(m); 459 return res; 460} 461 462 463static struct wpa_state_machine * 464hostapd_wpa_auth_add_sta(void *ctx, const u8 *sta_addr) 465{ 466 struct hostapd_data *hapd = ctx; 467 struct sta_info *sta; 468 469 if (hostapd_add_sta_node(hapd, sta_addr, WLAN_AUTH_FT) < 0) 470 return NULL; 471 472 sta = ap_sta_add(hapd, sta_addr); 473 if (sta == NULL) 474 return NULL; 475 if (sta->wpa_sm) { 476 sta->auth_alg = WLAN_AUTH_FT; 477 return sta->wpa_sm; 478 } 479 480 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, sta->addr, NULL); 481 if (sta->wpa_sm == NULL) { 482 ap_free_sta(hapd, sta); 483 return NULL; 484 } 485 sta->auth_alg = WLAN_AUTH_FT; 486 487 return sta->wpa_sm; 488} 489 490 491static void hostapd_rrb_receive(void *ctx, const u8 *src_addr, const u8 *buf, 492 size_t len) 493{ 494 struct hostapd_data *hapd = ctx; 495 struct l2_ethhdr *ethhdr; 496 if (len < sizeof(*ethhdr)) 497 return; 498 ethhdr = (struct l2_ethhdr *) buf; 499 wpa_printf(MSG_DEBUG, "FT: RRB received packet " MACSTR " -> " 500 MACSTR, MAC2STR(ethhdr->h_source), MAC2STR(ethhdr->h_dest)); 501 wpa_ft_rrb_rx(hapd->wpa_auth, ethhdr->h_source, buf + sizeof(*ethhdr), 502 len - sizeof(*ethhdr)); 503} 504 505 506static int hostapd_wpa_auth_add_tspec(void *ctx, const u8 *sta_addr, 507 u8 *tspec_ie, size_t tspec_ielen) 508{ 509 struct hostapd_data *hapd = ctx; 510 return hostapd_add_tspec(hapd, sta_addr, tspec_ie, tspec_ielen); 511} 512 513#endif /* CONFIG_IEEE80211R */ 514 515 516int hostapd_setup_wpa(struct hostapd_data *hapd) 517{ 518 struct wpa_auth_config _conf; 519 struct wpa_auth_callbacks cb; 520 const u8 *wpa_ie; 521 size_t wpa_ie_len; 522 523 hostapd_wpa_auth_conf(hapd->conf, hapd->iconf, &_conf); 524 if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_EAPOL_TX_STATUS) 525 _conf.tx_status = 1; 526 if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_AP_MLME) 527 _conf.ap_mlme = 1; 528 os_memset(&cb, 0, sizeof(cb)); 529 cb.ctx = hapd; 530 cb.logger = hostapd_wpa_auth_logger; 531 cb.disconnect = hostapd_wpa_auth_disconnect; 532 cb.mic_failure_report = hostapd_wpa_auth_mic_failure_report; 533 cb.set_eapol = hostapd_wpa_auth_set_eapol; 534 cb.get_eapol = hostapd_wpa_auth_get_eapol; 535 cb.get_psk = hostapd_wpa_auth_get_psk; 536 cb.get_msk = hostapd_wpa_auth_get_msk; 537 cb.set_key = hostapd_wpa_auth_set_key; 538 cb.get_seqnum = hostapd_wpa_auth_get_seqnum; 539 cb.send_eapol = hostapd_wpa_auth_send_eapol; 540 cb.for_each_sta = hostapd_wpa_auth_for_each_sta; 541 cb.for_each_auth = hostapd_wpa_auth_for_each_auth; 542 cb.send_ether = hostapd_wpa_auth_send_ether; 543#ifdef CONFIG_IEEE80211R 544 cb.send_ft_action = hostapd_wpa_auth_send_ft_action; 545 cb.add_sta = hostapd_wpa_auth_add_sta; 546 cb.add_tspec = hostapd_wpa_auth_add_tspec; 547#endif /* CONFIG_IEEE80211R */ 548 hapd->wpa_auth = wpa_init(hapd->own_addr, &_conf, &cb); 549 if (hapd->wpa_auth == NULL) { 550 wpa_printf(MSG_ERROR, "WPA initialization failed."); 551 return -1; 552 } 553 554 if (hostapd_set_privacy(hapd, 1)) { 555 wpa_printf(MSG_ERROR, "Could not set PrivacyInvoked " 556 "for interface %s", hapd->conf->iface); 557 return -1; 558 } 559 560 wpa_ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &wpa_ie_len); 561 if (hostapd_set_generic_elem(hapd, wpa_ie, wpa_ie_len)) { 562 wpa_printf(MSG_ERROR, "Failed to configure WPA IE for " 563 "the kernel driver."); 564 return -1; 565 } 566 567 if (rsn_preauth_iface_init(hapd)) { 568 wpa_printf(MSG_ERROR, "Initialization of RSN " 569 "pre-authentication failed."); 570 return -1; 571 } 572 573#ifdef CONFIG_IEEE80211R 574 if (!hostapd_drv_none(hapd)) { 575 hapd->l2 = l2_packet_init(hapd->conf->bridge[0] ? 576 hapd->conf->bridge : 577 hapd->conf->iface, NULL, ETH_P_RRB, 578 hostapd_rrb_receive, hapd, 1); 579 if (hapd->l2 == NULL && 580 (hapd->driver == NULL || 581 hapd->driver->send_ether == NULL)) { 582 wpa_printf(MSG_ERROR, "Failed to open l2_packet " 583 "interface"); 584 return -1; 585 } 586 } 587#endif /* CONFIG_IEEE80211R */ 588 589 return 0; 590 591} 592 593 594void hostapd_reconfig_wpa(struct hostapd_data *hapd) 595{ 596 struct wpa_auth_config wpa_auth_conf; 597 hostapd_wpa_auth_conf(hapd->conf, hapd->iconf, &wpa_auth_conf); 598 wpa_reconfig(hapd->wpa_auth, &wpa_auth_conf); 599} 600 601 602void hostapd_deinit_wpa(struct hostapd_data *hapd) 603{ 604 ieee80211_tkip_countermeasures_deinit(hapd); 605 rsn_preauth_iface_deinit(hapd); 606 if (hapd->wpa_auth) { 607 wpa_deinit(hapd->wpa_auth); 608 hapd->wpa_auth = NULL; 609 610 if (hostapd_set_privacy(hapd, 0)) { 611 wpa_printf(MSG_DEBUG, "Could not disable " 612 "PrivacyInvoked for interface %s", 613 hapd->conf->iface); 614 } 615 616 if (hostapd_set_generic_elem(hapd, (u8 *) "", 0)) { 617 wpa_printf(MSG_DEBUG, "Could not remove generic " 618 "information element from interface %s", 619 hapd->conf->iface); 620 } 621 } 622 ieee802_1x_deinit(hapd); 623 624#ifdef CONFIG_IEEE80211R 625 l2_packet_deinit(hapd->l2); 626 hapd->l2 = NULL; 627#endif /* CONFIG_IEEE80211R */ 628} 629