1 /* 2 * Copyright (c) 2012-2015,2020-2021 The Linux Foundation. All rights reserved. 3 * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 /** 19 * DOC: osif_cm_roam_rsp.c 20 * 21 * This file maintains definitaions of roam response apis. 22 */ 23 24 #include <linux/version.h> 25 #include <linux/nl80211.h> 26 #include <net/cfg80211.h> 27 #include <wlan_osif_priv.h> 28 #include "osif_cm_rsp.h" 29 #include <osif_cm_util.h> 30 #include <wlan_cfg80211.h> 31 #include <wlan_cfg80211_scan.h> 32 #include "wlan_mlo_mgr_sta.h" 33 #ifdef CONN_MGR_ADV_FEATURE 34 #include "wlan_mlme_ucfg_api.h" 35 #endif 36 #include "wlan_crypto_global_api.h" 37 38 #ifdef CONN_MGR_ADV_FEATURE 39 #ifdef WLAN_FEATURE_FILS_SK 40 static inline void osif_update_fils_hlp_data(struct net_device *dev, 41 struct wlan_objmgr_vdev *vdev, 42 struct wlan_cm_connect_resp *rsp) 43 { 44 if (rsp->connect_ies.fils_ie && rsp->connect_ies.fils_ie->hlp_data_len) 45 osif_cm_set_hlp_data(dev, vdev, rsp); 46 } 47 #else 48 static inline void osif_update_fils_hlp_data(struct net_device *dev, 49 struct wlan_objmgr_vdev *vdev, 50 struct wlan_cm_connect_resp *rsp) 51 { 52 } 53 #endif 54 55 /** 56 * osif_roamed_ind() - send roamed indication to cfg80211 57 * @dev: network device 58 * @bss: cfg80211 roamed bss pointer 59 * @req_ie: IEs used in reassociation request 60 * @req_ie_len: Length of the @req_ie 61 * @resp_ie: IEs received in successful reassociation response 62 * @resp_ie_len: Length of @resp_ie 63 * 64 * Return: none 65 */ 66 #if defined CFG80211_ROAMED_API_UNIFIED || \ 67 (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0)) 68 #ifdef CFG80211_SINGLE_NETDEV_MULTI_LINK_SUPPORT 69 static 70 void osif_copy_roamed_info(struct cfg80211_roam_info *info, 71 struct cfg80211_bss *bss) 72 { 73 info->links[0].bss = bss; 74 } 75 #else 76 static 77 void osif_copy_roamed_info(struct cfg80211_roam_info *info, 78 struct cfg80211_bss *bss) 79 { 80 info->bss = bss; 81 } 82 #endif 83 84 #if defined(CFG80211_SINGLE_NETDEV_MULTI_LINK_SUPPORT) && defined(WLAN_FEATURE_11BE_MLO) 85 static 86 void osif_populate_mlo_info_for_link(struct wlan_objmgr_vdev *vdev, 87 struct cfg80211_roam_info *roam_info_params, 88 uint8_t link_id, 89 struct cfg80211_bss *bss) 90 { 91 osif_debug("Link_id :%d", link_id); 92 roam_info_params->valid_links |= BIT(link_id); 93 roam_info_params->links[link_id].bssid = bss->bssid; 94 roam_info_params->links[link_id].bss = bss; 95 roam_info_params->links[link_id].addr = 96 wlan_vdev_mlme_get_macaddr(vdev); 97 } 98 99 static void 100 osif_populate_partner_links_roam_mlo_params(struct wlan_objmgr_pdev *pdev, 101 struct wlan_cm_connect_resp *rsp, 102 struct cfg80211_roam_info *roam_info_params) 103 { 104 struct wlan_objmgr_vdev *partner_vdev; 105 struct mlo_link_info *rsp_partner_info; 106 struct mlo_partner_info assoc_partner_info = {0}; 107 struct cfg80211_bss *bss = NULL; 108 QDF_STATUS qdf_status; 109 uint8_t link_id = 0, num_links; 110 int i; 111 112 qdf_status = osif_get_partner_info_from_mlie(rsp, &assoc_partner_info); 113 if (QDF_IS_STATUS_ERROR(qdf_status)) 114 return; 115 116 num_links = rsp->ml_parnter_info.num_partner_links; 117 for (i = 0 ; i < num_links; i++) { 118 rsp_partner_info = &rsp->ml_parnter_info.partner_link_info[i]; 119 120 qdf_status = osif_get_link_id_from_assoc_ml_ie(rsp_partner_info, 121 &assoc_partner_info, 122 &link_id); 123 if (QDF_IS_STATUS_ERROR(qdf_status)) 124 continue; 125 126 partner_vdev = wlan_objmgr_get_vdev_by_id_from_pdev(pdev, 127 rsp_partner_info->vdev_id, 128 WLAN_MLO_MGR_ID); 129 if (!partner_vdev) 130 continue; 131 132 bss = osif_get_chan_bss_from_kernel(partner_vdev, 133 rsp_partner_info, rsp); 134 if (!bss) { 135 wlan_objmgr_vdev_release_ref(partner_vdev, 136 WLAN_MLO_MGR_ID); 137 continue; 138 } 139 140 osif_populate_mlo_info_for_link(partner_vdev, 141 roam_info_params, 142 link_id, bss); 143 wlan_objmgr_vdev_release_ref(partner_vdev, WLAN_MLO_MGR_ID); 144 } 145 } 146 147 static QDF_STATUS 148 osif_fill_peer_mld_mac_roam_info(struct wlan_objmgr_vdev *vdev, 149 struct wlan_cm_connect_resp *rsp, 150 struct cfg80211_roam_info *roam_info_params) 151 { 152 struct wlan_objmgr_peer *peer_obj; 153 154 peer_obj = wlan_objmgr_get_peer_by_mac(wlan_vdev_get_psoc(vdev), 155 rsp->bssid.bytes, WLAN_OSIF_ID); 156 if (!peer_obj) 157 return QDF_STATUS_E_INVAL; 158 159 roam_info_params->ap_mld_addr = wlan_peer_mlme_get_mldaddr(peer_obj); 160 161 wlan_objmgr_peer_release_ref(peer_obj, WLAN_OSIF_ID); 162 163 return QDF_STATUS_SUCCESS; 164 } 165 166 static void osif_fill_mlo_roam_params(struct wlan_objmgr_vdev *vdev, 167 struct wlan_cm_connect_resp *rsp, 168 struct cfg80211_bss *bss, 169 struct cfg80211_roam_info *info) 170 { 171 QDF_STATUS qdf_status; 172 uint8_t assoc_link_id; 173 174 if (!wlan_vdev_mlme_is_mlo_vdev(vdev)) 175 return; 176 177 qdf_status = osif_fill_peer_mld_mac_roam_info(vdev, rsp, 178 info); 179 if (QDF_IS_STATUS_ERROR(qdf_status)) { 180 osif_err("Unable to fill peer mld address: %d", qdf_status); 181 return; 182 } 183 184 assoc_link_id = wlan_vdev_get_link_id(vdev); 185 osif_populate_mlo_info_for_link(vdev, info, 186 assoc_link_id, bss); 187 188 osif_populate_partner_links_roam_mlo_params(wlan_vdev_get_pdev(vdev), 189 rsp, 190 info); 191 } 192 #else 193 static void osif_fill_mlo_roam_params(struct wlan_objmgr_vdev *vdev, 194 struct wlan_cm_connect_resp *rsp, 195 struct cfg80211_bss *bss, 196 struct cfg80211_roam_info *info) 197 {} 198 #endif 199 static void osif_roamed_ind(struct net_device *dev, 200 struct wlan_objmgr_vdev *vdev, 201 struct wlan_cm_connect_resp *rsp, 202 struct cfg80211_bss *bss, 203 const uint8_t *req_ie, 204 size_t req_ie_len, const uint8_t *resp_ie, 205 size_t resp_ie_len) 206 { 207 struct cfg80211_roam_info info = {0}; 208 209 osif_copy_roamed_info(&info, bss); 210 info.req_ie = req_ie; 211 info.req_ie_len = req_ie_len; 212 info.resp_ie = resp_ie; 213 info.resp_ie_len = resp_ie_len; 214 osif_fill_mlo_roam_params(vdev, rsp, bss, &info); 215 cfg80211_roamed(dev, &info, qdf_mem_malloc_flags()); 216 } 217 #else 218 static inline void osif_roamed_ind(struct net_device *dev, 219 struct wlan_objmgr_vdev *vdev, 220 struct wlan_cm_connect_resp *rsp, 221 struct cfg80211_bss *bss, 222 const uint8_t *req_ie, 223 size_t req_ie_len, const uint8_t *resp_ie, 224 size_t resp_ie_len) 225 226 { 227 cfg80211_roamed_bss(dev, bss, req_ie, req_ie_len, resp_ie, resp_ie_len, 228 qdf_mem_malloc_flags()); 229 } 230 #endif 231 232 #ifdef WLAN_FEATURE_ROAM_OFFLOAD 233 #ifdef WLAN_FEATURE_FILS_SK 234 /** 235 * wlan_hdd_add_fils_params_roam_auth_event() - Adds FILS params in roam auth 236 * @skb: SK buffer 237 * @roam_info: Roam info 238 * 239 * API adds fils params[pmk, pmkid, next sequence number] to roam auth event 240 * 241 * Return: zero on success, error code on failure 242 */ 243 static int 244 osif_add_fils_params_roam_auth_event(struct sk_buff *skb, 245 struct wlan_roam_sync_info *roam_info) 246 { 247 if (roam_info->pmk_len && 248 nla_put(skb, QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PMK, 249 roam_info->pmk_len, roam_info->pmk)) { 250 osif_err("pmk send fail"); 251 return -EINVAL; 252 } 253 254 if (nla_put(skb, QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PMKID, 255 PMKID_LEN, roam_info->pmkid)) { 256 osif_err("pmkid send fail"); 257 return -EINVAL; 258 } 259 260 osif_debug("Update ERP Seq Num %d, Next ERP Seq Num %d", 261 roam_info->update_erp_next_seq_num, 262 roam_info->next_erp_seq_num); 263 if (roam_info->update_erp_next_seq_num && 264 nla_put_u16(skb, 265 QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_FILS_ERP_NEXT_SEQ_NUM, 266 roam_info->next_erp_seq_num)) { 267 osif_err("ERP seq num send fail"); 268 return -EINVAL; 269 } 270 271 return 0; 272 } 273 #else 274 static inline int 275 osif_add_fils_params_roam_auth_event(struct sk_buff *skb, 276 struct wlan_roam_sync_info *roam_info) 277 { 278 return 0; 279 } 280 #endif 281 282 /** 283 * osif_get_roam_reason() - convert wmi roam reason to 284 * enum qca_roam_reason 285 * @roam_scan_trigger: wmi roam scan trigger ID 286 * 287 * Return: Meaningful qca_roam_reason from enum WMI_ROAM_TRIGGER_REASON_ID 288 */ 289 static enum qca_roam_reason osif_get_roam_reason(uint16_t roam_scan_trigger) 290 { 291 switch (roam_scan_trigger) { 292 case ROAM_TRIGGER_REASON_PER: 293 return QCA_ROAM_REASON_PER; 294 case ROAM_TRIGGER_REASON_BMISS: 295 return QCA_ROAM_REASON_BEACON_MISS; 296 case ROAM_TRIGGER_REASON_LOW_RSSI: 297 case ROAM_TRIGGER_REASON_BACKGROUND: 298 return QCA_ROAM_REASON_POOR_RSSI; 299 case ROAM_TRIGGER_REASON_HIGH_RSSI: 300 return QCA_ROAM_REASON_BETTER_RSSI; 301 case ROAM_TRIGGER_REASON_DENSE: 302 return QCA_ROAM_REASON_CONGESTION; 303 case ROAM_TRIGGER_REASON_FORCED: 304 return QCA_ROAM_REASON_USER_TRIGGER; 305 case ROAM_TRIGGER_REASON_BTM: 306 return QCA_ROAM_REASON_BTM; 307 case ROAM_TRIGGER_REASON_BSS_LOAD: 308 return QCA_ROAM_REASON_BSS_LOAD; 309 default: 310 return QCA_ROAM_REASON_UNKNOWN; 311 } 312 313 return QCA_ROAM_REASON_UNKNOWN; 314 } 315 316 #ifdef WLAN_FEATURE_11BE_MLO 317 318 static uint8_t *osif_get_bss_mac_addr(struct wlan_objmgr_vdev *vdev) 319 { 320 struct wlan_objmgr_peer *peer; 321 322 peer = wlan_vdev_get_bsspeer(vdev); 323 if (peer) 324 if (wlan_vdev_mlme_is_mlo_vdev(vdev)) 325 return wlan_peer_mlme_get_mldaddr(peer); 326 else 327 return wlan_peer_get_macaddr(peer); 328 else 329 return NULL; 330 } 331 332 /** 333 * osif_send_roam_auth_mlo_links_event() - API to send roam auth mlo 334 * links event response to kernel 335 * @skb : sk buffer pointer 336 * @vdev: vdev pointer 337 * @rsp: Connection manager response 338 * 339 * This is called when wlan driver needs to send the mlo links roaming 340 * information after roaming. 341 * 342 * Context: Any context. 343 * Return: int 344 */ 345 static int 346 osif_send_roam_auth_mlo_links_event(struct sk_buff *skb, 347 struct wlan_objmgr_vdev *vdev, 348 struct vdev_osif_priv *osif_priv, 349 struct wlan_cm_connect_resp *rsp) 350 { 351 struct wlan_objmgr_psoc *psoc; 352 bool roam_offload_enable; 353 uint8_t i; 354 struct nlattr *mlo_links; 355 struct nlattr *mlo_links_info; 356 struct wlan_objmgr_vdev *link_vdev; 357 uint8_t link_vdev_id; 358 359 if (!vdev) 360 return -EINVAL; 361 362 psoc = wlan_vdev_get_psoc(vdev); 363 ucfg_mlme_get_roaming_offload(psoc, &roam_offload_enable); 364 365 if (!roam_offload_enable) 366 return -EINVAL; 367 368 mlo_links = nla_nest_start(skb, QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_MLO_LINKS); 369 370 for (i = 0; i < rsp->ml_parnter_info.num_partner_links; i++) { 371 mlo_links_info = nla_nest_start(skb, i); 372 if (!mlo_links_info) { 373 osif_err("nla nest start fail"); 374 return -EINVAL; 375 } 376 377 if (nla_put_u8(skb, 378 QCA_WLAN_VENDOR_ATTR_MLO_LINK_ID, 379 rsp->ml_parnter_info.partner_link_info[i].link_id)) { 380 osif_err("nla put fail"); 381 return -EINVAL; 382 } 383 384 if (nla_put(skb, QCA_WLAN_VENDOR_ATTR_MLO_LINK_BSSID, 385 ETH_ALEN, 386 (void *)&rsp->ml_parnter_info.partner_link_info[i].link_addr)) { 387 osif_err("nla put fail"); 388 return -EINVAL; 389 } 390 391 link_vdev_id = rsp->ml_parnter_info.partner_link_info[i].vdev_id; 392 link_vdev = wlan_objmgr_get_vdev_by_id_from_psoc(psoc, 393 link_vdev_id, 394 WLAN_OSIF_CM_ID); 395 if (!link_vdev) { 396 osif_err("link vdev is null"); 397 return -EINVAL; 398 } 399 400 if (nla_put(skb, QCA_WLAN_VENDOR_ATTR_MLO_LINK_MAC_ADDR, 401 ETH_ALEN, wlan_vdev_mlme_get_macaddr(link_vdev))) { 402 osif_err("nla put fail"); 403 return -EINVAL; 404 } 405 nla_nest_end(skb, mlo_links_info); 406 } 407 408 nla_nest_end(skb, mlo_links); 409 410 return 0; 411 } 412 #else 413 static uint8_t *osif_get_bss_mac_addr(struct wlan_objmgr_vdev *vdev) 414 { 415 struct wlan_objmgr_peer *peer; 416 417 peer = wlan_vdev_get_bsspeer(vdev); 418 if (peer) 419 return wlan_peer_get_macaddr(peer); 420 else 421 return NULL; 422 } 423 424 static inline int 425 osif_send_roam_auth_mlo_links_event(struct sk_buff *skb, 426 struct wlan_objmgr_vdev *vdev, 427 struct vdev_osif_priv *osif_priv, 428 struct wlan_cm_connect_resp *rsp) 429 { 430 return 0; 431 } 432 #endif 433 434 /** 435 * osif_send_roam_auth_event() - API to send roam auth event response to kernel 436 * @vdev: vdev pointer 437 * @osif_priv: OS private structure of vdev 438 * @rsp: Connection manager response 439 * 440 * This is called when wlan driver needs to send the roaming and 441 * authorization information after roaming. 442 * 443 * The information that would be sent is the request RSN IE, response 444 * RSN IE and BSSID of the newly roamed AP. 445 * 446 * If the Authorized status is authenticated, then additional parameters 447 * like PTK's KCK and KEK and Replay Counter would also be passed to the 448 * supplicant. 449 * 450 * The supplicant upon receiving this event would ignore the legacy 451 * cfg80211_roamed call and use the entire information from this event. 452 * The cfg80211_roamed should still co-exist since the kernel will 453 * make use of the parameters even if the supplicant ignores it. 454 * 455 * 456 * Context: Any context. 457 * Return: int 458 */ 459 static int osif_send_roam_auth_event(struct wlan_objmgr_vdev *vdev, 460 struct vdev_osif_priv *osif_priv, 461 struct wlan_cm_connect_resp *rsp, 462 const uint8_t *req_ie, 463 size_t req_ie_len, const uint8_t *resp_ie, 464 size_t resp_ie_len) 465 { 466 struct wlan_objmgr_psoc *psoc; 467 uint32_t fils_params_len; 468 struct sk_buff *skb = NULL; 469 struct wlan_roam_sync_info *roaming_info; 470 int status; 471 int32_t akm; 472 bool roam_offload_enable; 473 uint8_t *bss_mac_addr; 474 uint8_t num_of_links = 0; 475 476 psoc = wlan_vdev_get_psoc(vdev); 477 ucfg_mlme_get_roaming_offload(psoc, &roam_offload_enable); 478 479 if (!roam_offload_enable) 480 return 0; 481 482 roaming_info = rsp->roaming_info; 483 484 /* 485 * PMK is sent from FW in Roam Synch Event for FILS Roaming. 486 * In that case, add three more NL attributes.ie. PMK, PMKID 487 * and ERP next sequence number. Add corresponding lengths 488 * with 3 extra NL message headers for each of the 489 * aforementioned params. 490 */ 491 fils_params_len = roaming_info->pmk_len + PMKID_LEN + 492 sizeof(uint16_t) + (3 * NLMSG_HDRLEN); 493 494 if (wlan_vdev_mlme_is_mlo_vdev(vdev)) { 495 #ifdef WLAN_FEATURE_11BE_MLO 496 num_of_links = rsp->ml_parnter_info.num_partner_links; 497 #endif 498 skb = cfg80211_vendor_event_alloc(osif_priv->wdev->wiphy, 499 osif_priv->wdev, 500 (ETH_ALEN * num_of_links) + 501 (sizeof(uint8_t) * num_of_links) + 502 (ETH_ALEN * num_of_links) + 503 req_ie_len + resp_ie_len + 504 sizeof(uint8_t) + REPLAY_CTR_LEN + 505 KCK_KEY_LEN + roaming_info->kek_len + 506 sizeof(uint16_t) + sizeof(uint8_t) + 507 (9 * NLMSG_HDRLEN) + fils_params_len, 508 QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_ROAM_AUTH_INDEX, 509 qdf_mem_malloc_flags()); 510 } else { 511 skb = cfg80211_vendor_event_alloc(osif_priv->wdev->wiphy, 512 osif_priv->wdev, 513 ETH_ALEN + req_ie_len + 514 resp_ie_len + 515 sizeof(uint8_t) + REPLAY_CTR_LEN + 516 KCK_KEY_LEN + roaming_info->kek_len + 517 sizeof(uint16_t) + sizeof(uint8_t) + 518 (9 * NLMSG_HDRLEN) + fils_params_len, 519 QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_ROAM_AUTH_INDEX, 520 qdf_mem_malloc_flags()); 521 } 522 if (!skb) { 523 osif_err("cfg80211_vendor_event_alloc failed"); 524 return -1; 525 } 526 527 bss_mac_addr = osif_get_bss_mac_addr(vdev); 528 if (!bss_mac_addr) { 529 osif_err("Invalid bss mac addr"); 530 goto nla_put_failure; 531 } 532 if (nla_put(skb, QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID, 533 ETH_ALEN, bss_mac_addr) || 534 nla_put(skb, QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_REQ_IE, 535 req_ie_len, req_ie) || 536 nla_put(skb, QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_RESP_IE, 537 resp_ie_len, resp_ie)) { 538 osif_err("nla put fail"); 539 goto nla_put_failure; 540 } 541 542 if (roaming_info->auth_status == ROAM_AUTH_STATUS_AUTHENTICATED) { 543 osif_debug("Include Auth Params TLV's"); 544 if (nla_put_u8(skb, 545 QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_AUTHORIZED, 546 true)) { 547 osif_err("nla put fail"); 548 goto nla_put_failure; 549 } 550 akm = wlan_crypto_get_param(vdev, 551 WLAN_CRYPTO_PARAM_KEY_MGMT); 552 /* if FT or CCKM connection: dont send replay counter */ 553 if (!QDF_HAS_PARAM(akm, WLAN_CRYPTO_KEY_MGMT_FT_IEEE8021X) && 554 !QDF_HAS_PARAM(akm, WLAN_CRYPTO_KEY_MGMT_PSK) && 555 !QDF_HAS_PARAM(akm, WLAN_CRYPTO_KEY_MGMT_FT_SAE) && 556 !QDF_HAS_PARAM(akm, WLAN_CRYPTO_KEY_MGMT_FT_IEEE8021X_SHA384) && 557 !QDF_HAS_PARAM(akm, WLAN_CRYPTO_KEY_MGMT_CCKM) && 558 nla_put(skb, 559 QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_KEY_REPLAY_CTR, 560 REPLAY_CTR_LEN, 561 roaming_info->replay_ctr)) { 562 osif_err("non FT/non CCKM connection"); 563 osif_err("failed to send replay counter"); 564 goto nla_put_failure; 565 } 566 if (roaming_info->kek_len > MAX_KEK_LENGTH || 567 nla_put(skb, 568 QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PTK_KCK, 569 roaming_info->kck_len, roaming_info->kck) || 570 nla_put(skb, 571 QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PTK_KEK, 572 roaming_info->kek_len, roaming_info->kek)) { 573 osif_err("nla put fail, kek_len %d", 574 roaming_info->kek_len); 575 goto nla_put_failure; 576 } 577 578 if (nla_put_u16(skb, 579 QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_REASON, 580 osif_get_roam_reason(roaming_info->roam_reason))) { 581 osif_err("roam reason send failure"); 582 goto nla_put_failure; 583 } 584 585 status = osif_add_fils_params_roam_auth_event(skb, 586 roaming_info); 587 if (status) 588 goto nla_put_failure; 589 /* 590 * Save the gtk rekey parameters in HDD STA context. They will 591 * be used next time when host enables GTK offload and goes 592 * into power save state. 593 */ 594 osif_cm_save_gtk(vdev, rsp); 595 osif_debug("roam_info_ptr->replay_ctr 0x%llx", 596 *((uint64_t *)roaming_info->replay_ctr)); 597 598 } else { 599 osif_debug("No Auth Params TLV's"); 600 if (nla_put_u8(skb, 601 QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_AUTHORIZED, 602 false)) { 603 osif_err("nla put fail"); 604 goto nla_put_failure; 605 } 606 } 607 608 osif_debug("Auth Status = %d Subnet Change Status = %d", 609 roaming_info->auth_status, 610 roaming_info->subnet_change_status); 611 /* 612 * Add subnet change status if subnet has changed 613 * 0 = unchanged 614 * 1 = changed 615 * 2 = unknown 616 */ 617 if (roaming_info->subnet_change_status) { 618 if (nla_put_u8(skb, 619 QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_SUBNET_STATUS, 620 roaming_info->subnet_change_status)) { 621 osif_err("nla put fail"); 622 goto nla_put_failure; 623 } 624 } 625 626 if (wlan_vdev_mlme_is_mlo_vdev(vdev)) { 627 status = osif_send_roam_auth_mlo_links_event(skb, vdev, 628 osif_priv, 629 rsp); 630 if (status) { 631 osif_err("Send mlo link fail"); 632 goto nla_put_failure; 633 } 634 } 635 cfg80211_vendor_event(skb, qdf_mem_malloc_flags()); 636 return 0; 637 638 nla_put_failure: 639 kfree_skb(skb); 640 return -1; 641 } 642 #else 643 static inline int 644 osif_send_roam_auth_event(struct wlan_objmgr_vdev *vdev, 645 struct vdev_osif_priv *osif_priv, 646 struct wlan_cm_connect_resp *rsp, 647 const uint8_t *req_ie, 648 size_t req_ie_len, const uint8_t *resp_ie, 649 size_t resp_ie_len) 650 { 651 return 0; 652 } 653 #endif 654 655 static void osif_cm_get_reassoc_req_ie_data(struct element_info *assoc_req, 656 size_t *ie_data_len, 657 const uint8_t **ie_data_ptr) 658 { 659 /* Validate IE and length */ 660 if (!assoc_req->len || !assoc_req->ptr || 661 assoc_req->len <= WLAN_REASSOC_REQ_IES_OFFSET) 662 return; 663 664 *ie_data_len = assoc_req->len - WLAN_REASSOC_REQ_IES_OFFSET; 665 *ie_data_ptr = assoc_req->ptr + WLAN_REASSOC_REQ_IES_OFFSET; 666 } 667 668 void osif_indicate_reassoc_results(struct wlan_objmgr_vdev *vdev, 669 struct vdev_osif_priv *osif_priv, 670 struct wlan_cm_connect_resp *rsp) 671 { 672 struct net_device *dev = osif_priv->wdev->netdev; 673 size_t req_len = 0; 674 const uint8_t *req_ie = NULL; 675 size_t rsp_len = 0; 676 const uint8_t *rsp_ie = NULL; 677 struct cfg80211_bss *bss; 678 struct ieee80211_channel *chan; 679 struct wlan_objmgr_psoc *psoc; 680 681 if (wlan_vdev_mlme_is_mlo_vdev(vdev) && 682 wlan_vdev_mlme_is_mlo_link_vdev(vdev)) 683 return; 684 685 if (QDF_IS_STATUS_ERROR(rsp->connect_status)) 686 return; 687 688 psoc = wlan_vdev_get_psoc(vdev); 689 if (!psoc) 690 return; 691 692 chan = ieee80211_get_channel(osif_priv->wdev->wiphy, 693 rsp->freq); 694 bss = wlan_cfg80211_get_bss(osif_priv->wdev->wiphy, chan, 695 rsp->bssid.bytes, rsp->ssid.ssid, 696 rsp->ssid.length); 697 if (!bss) 698 osif_warn("not able to find bss"); 699 if (rsp->is_assoc) 700 osif_cm_get_assoc_req_ie_data(&rsp->connect_ies.assoc_req, 701 &req_len, &req_ie); 702 else 703 osif_cm_get_reassoc_req_ie_data(&rsp->connect_ies.assoc_req, 704 &req_len, &req_ie); 705 osif_cm_get_assoc_rsp_ie_data(&rsp->connect_ies.assoc_rsp, 706 &rsp_len, &rsp_ie); 707 osif_roamed_ind(dev, vdev, rsp, bss, req_ie, req_len, rsp_ie, rsp_len); 708 osif_send_roam_auth_event(vdev, osif_priv, rsp, req_ie, req_len, rsp_ie, 709 rsp_len); 710 711 osif_update_fils_hlp_data(dev, vdev, rsp); 712 } 713 714 QDF_STATUS 715 osif_pmksa_candidate_notify(struct wlan_objmgr_vdev *vdev, 716 struct qdf_mac_addr *bssid, 717 int index, bool preauth) 718 { 719 struct vdev_osif_priv *osif_priv = wlan_vdev_get_ospriv(vdev); 720 struct wireless_dev *wdev; 721 722 if (!osif_priv) { 723 osif_err("Invalid vdev osif priv"); 724 return QDF_STATUS_E_INVAL; 725 } 726 727 wdev = osif_priv->wdev; 728 if (!wdev) { 729 osif_err("wdev is null"); 730 return QDF_STATUS_E_INVAL; 731 } 732 733 osif_debug("is going to notify supplicant of:"); 734 osif_info(QDF_MAC_ADDR_FMT, QDF_MAC_ADDR_REF(bssid->bytes)); 735 736 cfg80211_pmksa_candidate_notify(wdev->netdev, index, 737 bssid->bytes, 738 preauth, qdf_mem_malloc_flags()); 739 return QDF_STATUS_SUCCESS; 740 } 741 #endif /* CONN_MGR_ADV_FEATURE */ 742