1 /* 2 * Copyright (c) 2016-2021 The Linux Foundation. All rights reserved. 3 * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for 6 * any purpose with or without fee is hereby granted, provided that the 7 * above copyright notice and this permission notice appear in all 8 * copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL 11 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED 12 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE 13 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 14 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 15 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 16 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 17 * PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 #include <qdf_types.h> 21 #include <qdf_lock.h> 22 #include <hal_hw_headers.h> 23 #include "dp_htt.h" 24 #include "dp_types.h" 25 #include "dp_internal.h" 26 #include "dp_peer.h" 27 #include "dp_rx_defrag.h" 28 #include "dp_rx.h" 29 #include <hal_api.h> 30 #include <hal_reo.h> 31 #include <cdp_txrx_handle.h> 32 #include <wlan_cfg.h> 33 #ifdef WIFI_MONITOR_SUPPORT 34 #include <dp_mon.h> 35 #endif 36 #ifdef FEATURE_WDS 37 #include "dp_txrx_wds.h" 38 #endif 39 #include <qdf_module.h> 40 #ifdef QCA_PEER_EXT_STATS 41 #include "dp_hist.h" 42 #endif 43 #ifdef BYPASS_OL_OPS 44 #include <target_if_dp.h> 45 #endif 46 #if defined(WLAN_FEATURE_11BE_MLO) && defined(DP_MLO_LINK_STATS_SUPPORT) 47 #include "reg_services_common.h" 48 #endif 49 #ifdef FEATURE_AST 50 #ifdef BYPASS_OL_OPS 51 /** 52 * dp_add_wds_entry_wrapper() - Add new AST entry for the wds station 53 * @soc: DP soc structure pointer 54 * @peer: dp peer structure 55 * @dest_macaddr: MAC address of ast node 56 * @flags: wds or hmwds 57 * @type: type from enum cdp_txrx_ast_entry_type 58 * 59 * This API is used by WDS source port learning function to 60 * add a new AST entry in the fw. 61 * 62 * Return: 0 on success, error code otherwise. 63 */ 64 static int dp_add_wds_entry_wrapper(struct dp_soc *soc, 65 struct dp_peer *peer, 66 const uint8_t *dest_macaddr, 67 uint32_t flags, 68 uint8_t type) 69 { 70 QDF_STATUS status; 71 72 status = target_if_add_wds_entry(soc->ctrl_psoc, 73 peer->vdev->vdev_id, 74 peer->mac_addr.raw, 75 dest_macaddr, 76 WMI_HOST_WDS_FLAG_STATIC, 77 type); 78 79 return qdf_status_to_os_return(status); 80 } 81 82 /** 83 * dp_update_wds_entry_wrapper() - update an existing wds entry with new peer 84 * @soc: DP soc structure pointer 85 * @peer: dp peer structure 86 * @dest_macaddr: MAC address of ast node 87 * @flags: wds or hmwds 88 * 89 * This API is used by update the peer mac address for the ast 90 * in the fw. 91 * 92 * Return: 0 on success, error code otherwise. 93 */ 94 static int dp_update_wds_entry_wrapper(struct dp_soc *soc, 95 struct dp_peer *peer, 96 uint8_t *dest_macaddr, 97 uint32_t flags) 98 { 99 QDF_STATUS status; 100 101 status = target_if_update_wds_entry(soc->ctrl_psoc, 102 peer->vdev->vdev_id, 103 dest_macaddr, 104 peer->mac_addr.raw, 105 WMI_HOST_WDS_FLAG_STATIC); 106 107 return qdf_status_to_os_return(status); 108 } 109 110 /** 111 * dp_del_wds_entry_wrapper() - delete a WSD AST entry 112 * @soc: DP soc structure pointer 113 * @vdev_id: vdev_id 114 * @wds_macaddr: MAC address of ast node 115 * @type: type from enum cdp_txrx_ast_entry_type 116 * @delete_in_fw: Flag to indicate if entry needs to be deleted in fw 117 * 118 * This API is used to delete an AST entry from fw 119 * 120 * Return: None 121 */ 122 void dp_del_wds_entry_wrapper(struct dp_soc *soc, 123 uint8_t vdev_id, 124 uint8_t *wds_macaddr, 125 uint8_t type, 126 uint8_t delete_in_fw) 127 { 128 target_if_del_wds_entry(soc->ctrl_psoc, vdev_id, 129 wds_macaddr, type, delete_in_fw); 130 } 131 #else 132 static int dp_add_wds_entry_wrapper(struct dp_soc *soc, 133 struct dp_peer *peer, 134 const uint8_t *dest_macaddr, 135 uint32_t flags, 136 uint8_t type) 137 { 138 int status; 139 140 status = soc->cdp_soc.ol_ops->peer_add_wds_entry( 141 soc->ctrl_psoc, 142 peer->vdev->vdev_id, 143 peer->mac_addr.raw, 144 peer->peer_id, 145 dest_macaddr, 146 peer->mac_addr.raw, 147 flags, 148 type); 149 150 return status; 151 } 152 153 static int dp_update_wds_entry_wrapper(struct dp_soc *soc, 154 struct dp_peer *peer, 155 uint8_t *dest_macaddr, 156 uint32_t flags) 157 { 158 int status; 159 160 status = soc->cdp_soc.ol_ops->peer_update_wds_entry( 161 soc->ctrl_psoc, 162 peer->vdev->vdev_id, 163 dest_macaddr, 164 peer->mac_addr.raw, 165 flags); 166 167 return status; 168 } 169 170 void dp_del_wds_entry_wrapper(struct dp_soc *soc, 171 uint8_t vdev_id, 172 uint8_t *wds_macaddr, 173 uint8_t type, 174 uint8_t delete_in_fw) 175 { 176 soc->cdp_soc.ol_ops->peer_del_wds_entry(soc->ctrl_psoc, 177 vdev_id, 178 wds_macaddr, 179 type, 180 delete_in_fw); 181 } 182 #endif /* BYPASS_OL_OPS */ 183 #else 184 void dp_del_wds_entry_wrapper(struct dp_soc *soc, 185 uint8_t vdev_id, 186 uint8_t *wds_macaddr, 187 uint8_t type, 188 uint8_t delete_in_fw) 189 { 190 } 191 #endif /* FEATURE_AST */ 192 193 #ifdef FEATURE_WDS 194 static inline bool 195 dp_peer_ast_free_in_unmap_supported(struct dp_soc *soc, 196 struct dp_ast_entry *ast_entry) 197 { 198 /* if peer map v2 is enabled we are not freeing ast entry 199 * here and it is supposed to be freed in unmap event (after 200 * we receive delete confirmation from target) 201 * 202 * if peer_id is invalid we did not get the peer map event 203 * for the peer free ast entry from here only in this case 204 */ 205 206 if ((ast_entry->type != CDP_TXRX_AST_TYPE_WDS_HM_SEC) && 207 (ast_entry->type != CDP_TXRX_AST_TYPE_SELF)) 208 return true; 209 210 return false; 211 } 212 #else 213 static inline bool 214 dp_peer_ast_free_in_unmap_supported(struct dp_soc *soc, 215 struct dp_ast_entry *ast_entry) 216 { 217 return false; 218 } 219 220 void dp_soc_wds_attach(struct dp_soc *soc) 221 { 222 } 223 224 void dp_soc_wds_detach(struct dp_soc *soc) 225 { 226 } 227 #endif 228 229 #ifdef QCA_SUPPORT_WDS_EXTENDED 230 bool dp_peer_check_wds_ext_peer(struct dp_peer *peer) 231 { 232 struct dp_vdev *vdev = peer->vdev; 233 struct dp_txrx_peer *txrx_peer; 234 235 if (!vdev->wds_ext_enabled) 236 return false; 237 238 txrx_peer = dp_get_txrx_peer(peer); 239 if (!txrx_peer) 240 return false; 241 242 if (qdf_atomic_test_bit(WDS_EXT_PEER_INIT_BIT, 243 &txrx_peer->wds_ext.init)) 244 return true; 245 246 return false; 247 } 248 #else 249 bool dp_peer_check_wds_ext_peer(struct dp_peer *peer) 250 { 251 return false; 252 } 253 #endif 254 255 QDF_STATUS dp_peer_ast_table_attach(struct dp_soc *soc) 256 { 257 uint32_t max_ast_index; 258 259 max_ast_index = wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx); 260 /* allocate ast_table for ast entry to ast_index map */ 261 dp_peer_info("\n%pK:<=== cfg max ast idx %d ====>", soc, max_ast_index); 262 soc->ast_table = qdf_mem_malloc(max_ast_index * 263 sizeof(struct dp_ast_entry *)); 264 if (!soc->ast_table) { 265 dp_peer_err("%pK: ast_table memory allocation failed", soc); 266 return QDF_STATUS_E_NOMEM; 267 } 268 return QDF_STATUS_SUCCESS; /* success */ 269 } 270 271 /** 272 * dp_find_peer_by_macaddr() - Finding the peer from mac address provided. 273 * @soc: soc handle 274 * @mac_addr: MAC address to be used to find peer 275 * @vdev_id: VDEV id 276 * @mod_id: MODULE ID 277 * 278 * Return: struct dp_peer 279 */ 280 struct dp_peer *dp_find_peer_by_macaddr(struct dp_soc *soc, uint8_t *mac_addr, 281 uint8_t vdev_id, enum dp_mod_id mod_id) 282 { 283 bool ast_ind_disable = wlan_cfg_get_ast_indication_disable( 284 soc->wlan_cfg_ctx); 285 struct cdp_peer_info peer_info = {0}; 286 287 if ((!soc->ast_offload_support) || (!ast_ind_disable)) { 288 struct dp_ast_entry *ast_entry = NULL; 289 uint16_t peer_id; 290 291 qdf_spin_lock_bh(&soc->ast_lock); 292 293 if (vdev_id == DP_VDEV_ALL) 294 ast_entry = dp_peer_ast_hash_find_soc(soc, mac_addr); 295 else 296 ast_entry = dp_peer_ast_hash_find_by_vdevid 297 (soc, mac_addr, vdev_id); 298 299 if (!ast_entry) { 300 qdf_spin_unlock_bh(&soc->ast_lock); 301 dp_err("NULL ast entry"); 302 return NULL; 303 } 304 305 peer_id = ast_entry->peer_id; 306 qdf_spin_unlock_bh(&soc->ast_lock); 307 308 if (peer_id == HTT_INVALID_PEER) 309 return NULL; 310 311 return dp_peer_get_ref_by_id(soc, peer_id, mod_id); 312 } 313 314 DP_PEER_INFO_PARAMS_INIT(&peer_info, vdev_id, mac_addr, false, 315 CDP_WILD_PEER_TYPE); 316 return dp_peer_hash_find_wrapper(soc, &peer_info, mod_id); 317 } 318 319 /** 320 * dp_peer_find_map_attach() - allocate memory for peer_id_to_obj_map 321 * @soc: soc handle 322 * 323 * return: QDF_STATUS 324 */ 325 static QDF_STATUS dp_peer_find_map_attach(struct dp_soc *soc) 326 { 327 uint32_t max_peers, peer_map_size; 328 329 max_peers = soc->max_peer_id; 330 /* allocate the peer ID -> peer object map */ 331 dp_peer_info("\n%pK:<=== cfg max peer id %d ====>", soc, max_peers); 332 peer_map_size = max_peers * sizeof(soc->peer_id_to_obj_map[0]); 333 soc->peer_id_to_obj_map = qdf_mem_malloc(peer_map_size); 334 if (!soc->peer_id_to_obj_map) { 335 dp_peer_err("%pK: peer map memory allocation failed", soc); 336 return QDF_STATUS_E_NOMEM; 337 } 338 339 /* 340 * The peer_id_to_obj_map doesn't really need to be initialized, 341 * since elements are only used after they have been individually 342 * initialized. 343 * However, it is convenient for debugging to have all elements 344 * that are not in use set to 0. 345 */ 346 qdf_mem_zero(soc->peer_id_to_obj_map, peer_map_size); 347 348 qdf_spinlock_create(&soc->peer_map_lock); 349 return QDF_STATUS_SUCCESS; /* success */ 350 } 351 352 #define DP_AST_HASH_LOAD_MULT 2 353 #define DP_AST_HASH_LOAD_SHIFT 0 354 355 static inline uint32_t 356 dp_peer_find_hash_index(struct dp_soc *soc, 357 union dp_align_mac_addr *mac_addr) 358 { 359 uint32_t index; 360 361 index = 362 mac_addr->align2.bytes_ab ^ 363 mac_addr->align2.bytes_cd ^ 364 mac_addr->align2.bytes_ef; 365 366 index ^= index >> soc->peer_hash.idx_bits; 367 index &= soc->peer_hash.mask; 368 return index; 369 } 370 371 struct dp_peer *dp_peer_find_hash_find( 372 struct dp_soc *soc, uint8_t *peer_mac_addr, 373 int mac_addr_is_aligned, uint8_t vdev_id, 374 enum dp_mod_id mod_id) 375 { 376 union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; 377 uint32_t index; 378 struct dp_peer *peer; 379 380 if (!soc->peer_hash.bins) 381 return NULL; 382 383 if (mac_addr_is_aligned) { 384 mac_addr = (union dp_align_mac_addr *)peer_mac_addr; 385 } else { 386 qdf_mem_copy( 387 &local_mac_addr_aligned.raw[0], 388 peer_mac_addr, QDF_MAC_ADDR_SIZE); 389 mac_addr = &local_mac_addr_aligned; 390 } 391 index = dp_peer_find_hash_index(soc, mac_addr); 392 qdf_spin_lock_bh(&soc->peer_hash_lock); 393 TAILQ_FOREACH(peer, &soc->peer_hash.bins[index], hash_list_elem) { 394 if (dp_peer_find_mac_addr_cmp(mac_addr, &peer->mac_addr) == 0 && 395 ((peer->vdev->vdev_id == vdev_id) || 396 (vdev_id == DP_VDEV_ALL))) { 397 /* take peer reference before returning */ 398 if (dp_peer_get_ref(soc, peer, mod_id) != 399 QDF_STATUS_SUCCESS) 400 peer = NULL; 401 402 qdf_spin_unlock_bh(&soc->peer_hash_lock); 403 return peer; 404 } 405 } 406 qdf_spin_unlock_bh(&soc->peer_hash_lock); 407 return NULL; /* failure */ 408 } 409 410 qdf_export_symbol(dp_peer_find_hash_find); 411 412 #ifdef WLAN_FEATURE_11BE_MLO 413 /** 414 * dp_peer_find_hash_detach() - cleanup memory for peer_hash table 415 * @soc: soc handle 416 * 417 * return: none 418 */ 419 static void dp_peer_find_hash_detach(struct dp_soc *soc) 420 { 421 if (soc->peer_hash.bins) { 422 qdf_mem_free(soc->peer_hash.bins); 423 soc->peer_hash.bins = NULL; 424 qdf_spinlock_destroy(&soc->peer_hash_lock); 425 } 426 427 if (soc->arch_ops.mlo_peer_find_hash_detach) 428 soc->arch_ops.mlo_peer_find_hash_detach(soc); 429 } 430 431 /** 432 * dp_peer_find_hash_attach() - allocate memory for peer_hash table 433 * @soc: soc handle 434 * 435 * return: QDF_STATUS 436 */ 437 static QDF_STATUS dp_peer_find_hash_attach(struct dp_soc *soc) 438 { 439 int i, hash_elems, log2; 440 441 /* allocate the peer MAC address -> peer object hash table */ 442 hash_elems = soc->max_peers; 443 hash_elems *= DP_PEER_HASH_LOAD_MULT; 444 hash_elems >>= DP_PEER_HASH_LOAD_SHIFT; 445 log2 = dp_log2_ceil(hash_elems); 446 hash_elems = 1 << log2; 447 448 soc->peer_hash.mask = hash_elems - 1; 449 soc->peer_hash.idx_bits = log2; 450 /* allocate an array of TAILQ peer object lists */ 451 soc->peer_hash.bins = qdf_mem_malloc( 452 hash_elems * sizeof(TAILQ_HEAD(anonymous_tail_q, dp_peer))); 453 if (!soc->peer_hash.bins) 454 return QDF_STATUS_E_NOMEM; 455 456 for (i = 0; i < hash_elems; i++) 457 TAILQ_INIT(&soc->peer_hash.bins[i]); 458 459 qdf_spinlock_create(&soc->peer_hash_lock); 460 461 if (soc->arch_ops.mlo_peer_find_hash_attach && 462 (soc->arch_ops.mlo_peer_find_hash_attach(soc) != 463 QDF_STATUS_SUCCESS)) { 464 dp_peer_find_hash_detach(soc); 465 return QDF_STATUS_E_NOMEM; 466 } 467 return QDF_STATUS_SUCCESS; 468 } 469 470 void dp_peer_find_hash_add(struct dp_soc *soc, struct dp_peer *peer) 471 { 472 unsigned index; 473 474 index = dp_peer_find_hash_index(soc, &peer->mac_addr); 475 if (peer->peer_type == CDP_LINK_PEER_TYPE) { 476 qdf_spin_lock_bh(&soc->peer_hash_lock); 477 478 if (QDF_IS_STATUS_ERROR(dp_peer_get_ref(soc, peer, 479 DP_MOD_ID_CONFIG))) { 480 dp_err("fail to get peer ref:" QDF_MAC_ADDR_FMT, 481 QDF_MAC_ADDR_REF(peer->mac_addr.raw)); 482 qdf_spin_unlock_bh(&soc->peer_hash_lock); 483 return; 484 } 485 486 /* 487 * It is important to add the new peer at the tail of 488 * peer list with the bin index. Together with having 489 * the hash_find function search from head to tail, 490 * this ensures that if two entries with the same MAC address 491 * are stored, the one added first will be found first. 492 */ 493 TAILQ_INSERT_TAIL(&soc->peer_hash.bins[index], peer, 494 hash_list_elem); 495 496 qdf_spin_unlock_bh(&soc->peer_hash_lock); 497 } else if (peer->peer_type == CDP_MLD_PEER_TYPE) { 498 if (soc->arch_ops.mlo_peer_find_hash_add) 499 soc->arch_ops.mlo_peer_find_hash_add(soc, peer); 500 } else { 501 dp_err("unknown peer type %d", peer->peer_type); 502 } 503 } 504 505 void dp_peer_find_hash_remove(struct dp_soc *soc, struct dp_peer *peer) 506 { 507 unsigned index; 508 struct dp_peer *tmppeer = NULL; 509 int found = 0; 510 511 index = dp_peer_find_hash_index(soc, &peer->mac_addr); 512 513 if (peer->peer_type == CDP_LINK_PEER_TYPE) { 514 /* Check if tail is not empty before delete*/ 515 QDF_ASSERT(!TAILQ_EMPTY(&soc->peer_hash.bins[index])); 516 517 qdf_spin_lock_bh(&soc->peer_hash_lock); 518 TAILQ_FOREACH(tmppeer, &soc->peer_hash.bins[index], 519 hash_list_elem) { 520 if (tmppeer == peer) { 521 found = 1; 522 break; 523 } 524 } 525 QDF_ASSERT(found); 526 TAILQ_REMOVE(&soc->peer_hash.bins[index], peer, 527 hash_list_elem); 528 529 dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); 530 qdf_spin_unlock_bh(&soc->peer_hash_lock); 531 } else if (peer->peer_type == CDP_MLD_PEER_TYPE) { 532 if (soc->arch_ops.mlo_peer_find_hash_remove) 533 soc->arch_ops.mlo_peer_find_hash_remove(soc, peer); 534 } else { 535 dp_err("unknown peer type %d", peer->peer_type); 536 } 537 } 538 539 uint8_t dp_get_peer_link_id(struct dp_peer *peer) 540 { 541 uint8_t link_id; 542 543 link_id = IS_MLO_DP_LINK_PEER(peer) ? peer->link_id + 1 : 0; 544 if (link_id < 1 || link_id > DP_MAX_MLO_LINKS) 545 link_id = 0; 546 547 return link_id; 548 } 549 #else 550 static QDF_STATUS dp_peer_find_hash_attach(struct dp_soc *soc) 551 { 552 int i, hash_elems, log2; 553 554 /* allocate the peer MAC address -> peer object hash table */ 555 hash_elems = soc->max_peers; 556 hash_elems *= DP_PEER_HASH_LOAD_MULT; 557 hash_elems >>= DP_PEER_HASH_LOAD_SHIFT; 558 log2 = dp_log2_ceil(hash_elems); 559 hash_elems = 1 << log2; 560 561 soc->peer_hash.mask = hash_elems - 1; 562 soc->peer_hash.idx_bits = log2; 563 /* allocate an array of TAILQ peer object lists */ 564 soc->peer_hash.bins = qdf_mem_malloc( 565 hash_elems * sizeof(TAILQ_HEAD(anonymous_tail_q, dp_peer))); 566 if (!soc->peer_hash.bins) 567 return QDF_STATUS_E_NOMEM; 568 569 for (i = 0; i < hash_elems; i++) 570 TAILQ_INIT(&soc->peer_hash.bins[i]); 571 572 qdf_spinlock_create(&soc->peer_hash_lock); 573 return QDF_STATUS_SUCCESS; 574 } 575 576 static void dp_peer_find_hash_detach(struct dp_soc *soc) 577 { 578 if (soc->peer_hash.bins) { 579 qdf_mem_free(soc->peer_hash.bins); 580 soc->peer_hash.bins = NULL; 581 qdf_spinlock_destroy(&soc->peer_hash_lock); 582 } 583 } 584 585 void dp_peer_find_hash_add(struct dp_soc *soc, struct dp_peer *peer) 586 { 587 unsigned index; 588 589 index = dp_peer_find_hash_index(soc, &peer->mac_addr); 590 qdf_spin_lock_bh(&soc->peer_hash_lock); 591 592 if (QDF_IS_STATUS_ERROR(dp_peer_get_ref(soc, peer, DP_MOD_ID_CONFIG))) { 593 dp_err("unable to get peer ref at MAP mac: "QDF_MAC_ADDR_FMT, 594 QDF_MAC_ADDR_REF(peer->mac_addr.raw)); 595 qdf_spin_unlock_bh(&soc->peer_hash_lock); 596 return; 597 } 598 599 /* 600 * It is important to add the new peer at the tail of the peer list 601 * with the bin index. Together with having the hash_find function 602 * search from head to tail, this ensures that if two entries with 603 * the same MAC address are stored, the one added first will be 604 * found first. 605 */ 606 TAILQ_INSERT_TAIL(&soc->peer_hash.bins[index], peer, hash_list_elem); 607 608 qdf_spin_unlock_bh(&soc->peer_hash_lock); 609 } 610 611 void dp_peer_find_hash_remove(struct dp_soc *soc, struct dp_peer *peer) 612 { 613 unsigned index; 614 struct dp_peer *tmppeer = NULL; 615 int found = 0; 616 617 index = dp_peer_find_hash_index(soc, &peer->mac_addr); 618 /* Check if tail is not empty before delete*/ 619 QDF_ASSERT(!TAILQ_EMPTY(&soc->peer_hash.bins[index])); 620 621 qdf_spin_lock_bh(&soc->peer_hash_lock); 622 TAILQ_FOREACH(tmppeer, &soc->peer_hash.bins[index], hash_list_elem) { 623 if (tmppeer == peer) { 624 found = 1; 625 break; 626 } 627 } 628 QDF_ASSERT(found); 629 TAILQ_REMOVE(&soc->peer_hash.bins[index], peer, hash_list_elem); 630 631 dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); 632 qdf_spin_unlock_bh(&soc->peer_hash_lock); 633 } 634 635 636 #endif/* WLAN_FEATURE_11BE_MLO */ 637 638 void dp_peer_vdev_list_add(struct dp_soc *soc, struct dp_vdev *vdev, 639 struct dp_peer *peer) 640 { 641 /* only link peer will be added to vdev peer list */ 642 if (IS_MLO_DP_MLD_PEER(peer)) 643 return; 644 645 qdf_spin_lock_bh(&vdev->peer_list_lock); 646 if (QDF_IS_STATUS_ERROR(dp_peer_get_ref(soc, peer, DP_MOD_ID_CONFIG))) { 647 dp_err("unable to get peer ref at MAP mac: "QDF_MAC_ADDR_FMT, 648 QDF_MAC_ADDR_REF(peer->mac_addr.raw)); 649 qdf_spin_unlock_bh(&vdev->peer_list_lock); 650 return; 651 } 652 653 /* add this peer into the vdev's list */ 654 if (wlan_op_mode_sta == vdev->opmode) 655 TAILQ_INSERT_HEAD(&vdev->peer_list, peer, peer_list_elem); 656 else 657 TAILQ_INSERT_TAIL(&vdev->peer_list, peer, peer_list_elem); 658 659 vdev->num_peers++; 660 qdf_spin_unlock_bh(&vdev->peer_list_lock); 661 } 662 663 void dp_peer_vdev_list_remove(struct dp_soc *soc, struct dp_vdev *vdev, 664 struct dp_peer *peer) 665 { 666 uint8_t found = 0; 667 struct dp_peer *tmppeer = NULL; 668 669 /* only link peer will be added to vdev peer list */ 670 if (IS_MLO_DP_MLD_PEER(peer)) 671 return; 672 673 qdf_spin_lock_bh(&vdev->peer_list_lock); 674 TAILQ_FOREACH(tmppeer, &peer->vdev->peer_list, peer_list_elem) { 675 if (tmppeer == peer) { 676 found = 1; 677 break; 678 } 679 } 680 681 if (found) { 682 TAILQ_REMOVE(&peer->vdev->peer_list, peer, 683 peer_list_elem); 684 dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); 685 vdev->num_peers--; 686 } else { 687 /*Ignoring the remove operation as peer not found*/ 688 dp_peer_debug("%pK: peer:%pK not found in vdev:%pK peerlist:%pK" 689 , soc, peer, vdev, &peer->vdev->peer_list); 690 } 691 qdf_spin_unlock_bh(&vdev->peer_list_lock); 692 } 693 694 void dp_txrx_peer_attach_add(struct dp_soc *soc, 695 struct dp_peer *peer, 696 struct dp_txrx_peer *txrx_peer) 697 { 698 qdf_spin_lock_bh(&soc->peer_map_lock); 699 700 peer->txrx_peer = txrx_peer; 701 txrx_peer->bss_peer = peer->bss_peer; 702 703 if (peer->peer_id == HTT_INVALID_PEER) { 704 qdf_spin_unlock_bh(&soc->peer_map_lock); 705 return; 706 } 707 708 txrx_peer->peer_id = peer->peer_id; 709 710 QDF_ASSERT(soc->peer_id_to_obj_map[peer->peer_id]); 711 712 qdf_spin_unlock_bh(&soc->peer_map_lock); 713 } 714 715 void dp_peer_find_id_to_obj_add(struct dp_soc *soc, 716 struct dp_peer *peer, 717 uint16_t peer_id) 718 { 719 QDF_ASSERT(peer_id <= soc->max_peer_id); 720 721 qdf_spin_lock_bh(&soc->peer_map_lock); 722 723 peer->peer_id = peer_id; 724 725 if (QDF_IS_STATUS_ERROR(dp_peer_get_ref(soc, peer, DP_MOD_ID_CONFIG))) { 726 dp_err("unable to get peer ref at MAP mac: "QDF_MAC_ADDR_FMT" peer_id %u", 727 QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer_id); 728 qdf_spin_unlock_bh(&soc->peer_map_lock); 729 return; 730 } 731 732 if (!soc->peer_id_to_obj_map[peer_id]) { 733 soc->peer_id_to_obj_map[peer_id] = peer; 734 if (peer->txrx_peer) 735 peer->txrx_peer->peer_id = peer_id; 736 } else { 737 /* Peer map event came for peer_id which 738 * is already mapped, this is not expected 739 */ 740 dp_err("peer %pK(" QDF_MAC_ADDR_FMT ")map failed, id %d mapped to peer %pK", 741 peer, QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer_id, 742 soc->peer_id_to_obj_map[peer_id]); 743 dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); 744 qdf_assert_always(0); 745 } 746 qdf_spin_unlock_bh(&soc->peer_map_lock); 747 } 748 749 void dp_peer_find_id_to_obj_remove(struct dp_soc *soc, 750 uint16_t peer_id) 751 { 752 struct dp_peer *peer = NULL; 753 QDF_ASSERT(peer_id <= soc->max_peer_id); 754 755 qdf_spin_lock_bh(&soc->peer_map_lock); 756 peer = soc->peer_id_to_obj_map[peer_id]; 757 if (!peer) { 758 dp_err("unable to get peer during peer id obj map remove"); 759 qdf_spin_unlock_bh(&soc->peer_map_lock); 760 return; 761 } 762 peer->peer_id = HTT_INVALID_PEER; 763 if (peer->txrx_peer) 764 peer->txrx_peer->peer_id = HTT_INVALID_PEER; 765 soc->peer_id_to_obj_map[peer_id] = NULL; 766 dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); 767 qdf_spin_unlock_bh(&soc->peer_map_lock); 768 } 769 770 #ifdef FEATURE_MEC 771 QDF_STATUS dp_peer_mec_hash_attach(struct dp_soc *soc) 772 { 773 int log2, hash_elems, i; 774 775 log2 = dp_log2_ceil(DP_PEER_MAX_MEC_IDX); 776 hash_elems = 1 << log2; 777 778 soc->mec_hash.mask = hash_elems - 1; 779 soc->mec_hash.idx_bits = log2; 780 781 dp_peer_info("%pK: max mec index: %d", 782 soc, DP_PEER_MAX_MEC_IDX); 783 784 /* allocate an array of TAILQ mec object lists */ 785 soc->mec_hash.bins = qdf_mem_malloc(hash_elems * 786 sizeof(TAILQ_HEAD(anonymous_tail_q, 787 dp_mec_entry))); 788 789 if (!soc->mec_hash.bins) 790 return QDF_STATUS_E_NOMEM; 791 792 for (i = 0; i < hash_elems; i++) 793 TAILQ_INIT(&soc->mec_hash.bins[i]); 794 795 return QDF_STATUS_SUCCESS; 796 } 797 798 /** 799 * dp_peer_mec_hash_index() - Compute the MEC hash from MAC address 800 * @soc: SoC handle 801 * @mac_addr: MAC address 802 * 803 * Return: MEC hash 804 */ 805 static inline uint32_t dp_peer_mec_hash_index(struct dp_soc *soc, 806 union dp_align_mac_addr *mac_addr) 807 { 808 uint32_t index; 809 810 index = 811 mac_addr->align2.bytes_ab ^ 812 mac_addr->align2.bytes_cd ^ 813 mac_addr->align2.bytes_ef; 814 index ^= index >> soc->mec_hash.idx_bits; 815 index &= soc->mec_hash.mask; 816 return index; 817 } 818 819 struct dp_mec_entry *dp_peer_mec_hash_find_by_pdevid(struct dp_soc *soc, 820 uint8_t pdev_id, 821 uint8_t *mec_mac_addr) 822 { 823 union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; 824 uint32_t index; 825 struct dp_mec_entry *mecentry; 826 827 qdf_mem_copy(&local_mac_addr_aligned.raw[0], 828 mec_mac_addr, QDF_MAC_ADDR_SIZE); 829 mac_addr = &local_mac_addr_aligned; 830 831 index = dp_peer_mec_hash_index(soc, mac_addr); 832 TAILQ_FOREACH(mecentry, &soc->mec_hash.bins[index], hash_list_elem) { 833 if ((pdev_id == mecentry->pdev_id) && 834 !dp_peer_find_mac_addr_cmp(mac_addr, &mecentry->mac_addr)) 835 return mecentry; 836 } 837 838 return NULL; 839 } 840 841 /** 842 * dp_peer_mec_hash_add() - Add MEC entry into hash table 843 * @soc: SoC handle 844 * @mecentry: MEC entry 845 * 846 * This function adds the MEC entry into SoC MEC hash table 847 * 848 * Return: None 849 */ 850 static inline void dp_peer_mec_hash_add(struct dp_soc *soc, 851 struct dp_mec_entry *mecentry) 852 { 853 uint32_t index; 854 855 index = dp_peer_mec_hash_index(soc, &mecentry->mac_addr); 856 qdf_spin_lock_bh(&soc->mec_lock); 857 TAILQ_INSERT_TAIL(&soc->mec_hash.bins[index], mecentry, hash_list_elem); 858 qdf_spin_unlock_bh(&soc->mec_lock); 859 } 860 861 QDF_STATUS dp_peer_mec_add_entry(struct dp_soc *soc, 862 struct dp_vdev *vdev, 863 uint8_t *mac_addr) 864 { 865 struct dp_mec_entry *mecentry = NULL; 866 struct dp_pdev *pdev = NULL; 867 868 if (!vdev) { 869 dp_peer_err("%pK: Peers vdev is NULL", soc); 870 return QDF_STATUS_E_INVAL; 871 } 872 873 pdev = vdev->pdev; 874 875 if (qdf_unlikely(qdf_atomic_read(&soc->mec_cnt) >= 876 DP_PEER_MAX_MEC_ENTRY)) { 877 dp_peer_warn("%pK: max MEC entry limit reached mac_addr: " 878 QDF_MAC_ADDR_FMT, soc, QDF_MAC_ADDR_REF(mac_addr)); 879 return QDF_STATUS_E_NOMEM; 880 } 881 882 qdf_spin_lock_bh(&soc->mec_lock); 883 mecentry = dp_peer_mec_hash_find_by_pdevid(soc, pdev->pdev_id, 884 mac_addr); 885 if (qdf_likely(mecentry)) { 886 mecentry->is_active = TRUE; 887 qdf_spin_unlock_bh(&soc->mec_lock); 888 return QDF_STATUS_E_ALREADY; 889 } 890 891 qdf_spin_unlock_bh(&soc->mec_lock); 892 893 dp_peer_debug("%pK: pdevid: %u vdev: %u type: MEC mac_addr: " 894 QDF_MAC_ADDR_FMT, 895 soc, pdev->pdev_id, vdev->vdev_id, 896 QDF_MAC_ADDR_REF(mac_addr)); 897 898 mecentry = (struct dp_mec_entry *) 899 qdf_mem_malloc(sizeof(struct dp_mec_entry)); 900 901 if (qdf_unlikely(!mecentry)) { 902 dp_peer_err("%pK: fail to allocate mecentry", soc); 903 return QDF_STATUS_E_NOMEM; 904 } 905 906 qdf_copy_macaddr((struct qdf_mac_addr *)&mecentry->mac_addr.raw[0], 907 (struct qdf_mac_addr *)mac_addr); 908 mecentry->pdev_id = pdev->pdev_id; 909 mecentry->vdev_id = vdev->vdev_id; 910 mecentry->is_active = TRUE; 911 dp_peer_mec_hash_add(soc, mecentry); 912 913 qdf_atomic_inc(&soc->mec_cnt); 914 DP_STATS_INC(soc, mec.added, 1); 915 916 return QDF_STATUS_SUCCESS; 917 } 918 919 void dp_peer_mec_detach_entry(struct dp_soc *soc, struct dp_mec_entry *mecentry, 920 void *ptr) 921 { 922 uint32_t index = dp_peer_mec_hash_index(soc, &mecentry->mac_addr); 923 924 TAILQ_HEAD(, dp_mec_entry) * free_list = ptr; 925 926 TAILQ_REMOVE(&soc->mec_hash.bins[index], mecentry, 927 hash_list_elem); 928 TAILQ_INSERT_TAIL(free_list, mecentry, hash_list_elem); 929 } 930 931 void dp_peer_mec_free_list(struct dp_soc *soc, void *ptr) 932 { 933 struct dp_mec_entry *mecentry, *mecentry_next; 934 935 TAILQ_HEAD(, dp_mec_entry) * free_list = ptr; 936 937 TAILQ_FOREACH_SAFE(mecentry, free_list, hash_list_elem, 938 mecentry_next) { 939 dp_peer_debug("%pK: MEC delete for mac_addr " QDF_MAC_ADDR_FMT, 940 soc, QDF_MAC_ADDR_REF(&mecentry->mac_addr)); 941 qdf_mem_free(mecentry); 942 qdf_atomic_dec(&soc->mec_cnt); 943 DP_STATS_INC(soc, mec.deleted, 1); 944 } 945 } 946 947 void dp_peer_mec_hash_detach(struct dp_soc *soc) 948 { 949 dp_peer_mec_flush_entries(soc); 950 qdf_mem_free(soc->mec_hash.bins); 951 soc->mec_hash.bins = NULL; 952 } 953 954 void dp_peer_mec_spinlock_destroy(struct dp_soc *soc) 955 { 956 qdf_spinlock_destroy(&soc->mec_lock); 957 } 958 959 void dp_peer_mec_spinlock_create(struct dp_soc *soc) 960 { 961 qdf_spinlock_create(&soc->mec_lock); 962 } 963 #else 964 QDF_STATUS dp_peer_mec_hash_attach(struct dp_soc *soc) 965 { 966 return QDF_STATUS_SUCCESS; 967 } 968 969 void dp_peer_mec_hash_detach(struct dp_soc *soc) 970 { 971 } 972 #endif 973 974 #ifdef FEATURE_AST 975 #ifdef WLAN_FEATURE_11BE_MLO 976 /** 977 * dp_peer_exist_on_pdev() - check if peer with mac address exist on pdev 978 * 979 * @soc: Datapath SOC handle 980 * @peer_mac_addr: peer mac address 981 * @mac_addr_is_aligned: is mac address aligned 982 * @pdev: Datapath PDEV handle 983 * 984 * Return: true if peer found else return false 985 */ 986 static bool dp_peer_exist_on_pdev(struct dp_soc *soc, 987 uint8_t *peer_mac_addr, 988 int mac_addr_is_aligned, 989 struct dp_pdev *pdev) 990 { 991 union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; 992 unsigned int index; 993 struct dp_peer *peer; 994 bool found = false; 995 996 if (mac_addr_is_aligned) { 997 mac_addr = (union dp_align_mac_addr *)peer_mac_addr; 998 } else { 999 qdf_mem_copy( 1000 &local_mac_addr_aligned.raw[0], 1001 peer_mac_addr, QDF_MAC_ADDR_SIZE); 1002 mac_addr = &local_mac_addr_aligned; 1003 } 1004 index = dp_peer_find_hash_index(soc, mac_addr); 1005 qdf_spin_lock_bh(&soc->peer_hash_lock); 1006 TAILQ_FOREACH(peer, &soc->peer_hash.bins[index], hash_list_elem) { 1007 if (dp_peer_find_mac_addr_cmp(mac_addr, &peer->mac_addr) == 0 && 1008 (peer->vdev->pdev == pdev)) { 1009 found = true; 1010 break; 1011 } 1012 } 1013 qdf_spin_unlock_bh(&soc->peer_hash_lock); 1014 1015 if (found) 1016 return found; 1017 1018 peer = dp_mld_peer_find_hash_find(soc, peer_mac_addr, 1019 mac_addr_is_aligned, DP_VDEV_ALL, 1020 DP_MOD_ID_CDP); 1021 if (peer) { 1022 if (peer->vdev->pdev == pdev) 1023 found = true; 1024 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 1025 } 1026 1027 return found; 1028 } 1029 #else 1030 static bool dp_peer_exist_on_pdev(struct dp_soc *soc, 1031 uint8_t *peer_mac_addr, 1032 int mac_addr_is_aligned, 1033 struct dp_pdev *pdev) 1034 { 1035 union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; 1036 unsigned int index; 1037 struct dp_peer *peer; 1038 bool found = false; 1039 1040 if (mac_addr_is_aligned) { 1041 mac_addr = (union dp_align_mac_addr *)peer_mac_addr; 1042 } else { 1043 qdf_mem_copy( 1044 &local_mac_addr_aligned.raw[0], 1045 peer_mac_addr, QDF_MAC_ADDR_SIZE); 1046 mac_addr = &local_mac_addr_aligned; 1047 } 1048 index = dp_peer_find_hash_index(soc, mac_addr); 1049 qdf_spin_lock_bh(&soc->peer_hash_lock); 1050 TAILQ_FOREACH(peer, &soc->peer_hash.bins[index], hash_list_elem) { 1051 if (dp_peer_find_mac_addr_cmp(mac_addr, &peer->mac_addr) == 0 && 1052 (peer->vdev->pdev == pdev)) { 1053 found = true; 1054 break; 1055 } 1056 } 1057 qdf_spin_unlock_bh(&soc->peer_hash_lock); 1058 return found; 1059 } 1060 #endif /* WLAN_FEATURE_11BE_MLO */ 1061 1062 QDF_STATUS dp_peer_ast_hash_attach(struct dp_soc *soc) 1063 { 1064 int i, hash_elems, log2; 1065 unsigned int max_ast_idx = wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx); 1066 1067 hash_elems = ((max_ast_idx * DP_AST_HASH_LOAD_MULT) >> 1068 DP_AST_HASH_LOAD_SHIFT); 1069 1070 log2 = dp_log2_ceil(hash_elems); 1071 hash_elems = 1 << log2; 1072 1073 soc->ast_hash.mask = hash_elems - 1; 1074 soc->ast_hash.idx_bits = log2; 1075 1076 dp_peer_info("%pK: ast hash_elems: %d, max_ast_idx: %d", 1077 soc, hash_elems, max_ast_idx); 1078 1079 /* allocate an array of TAILQ peer object lists */ 1080 soc->ast_hash.bins = qdf_mem_malloc( 1081 hash_elems * sizeof(TAILQ_HEAD(anonymous_tail_q, 1082 dp_ast_entry))); 1083 1084 if (!soc->ast_hash.bins) 1085 return QDF_STATUS_E_NOMEM; 1086 1087 for (i = 0; i < hash_elems; i++) 1088 TAILQ_INIT(&soc->ast_hash.bins[i]); 1089 1090 return QDF_STATUS_SUCCESS; 1091 } 1092 1093 /** 1094 * dp_peer_ast_cleanup() - cleanup the references 1095 * @soc: SoC handle 1096 * @ast: ast entry 1097 * 1098 * Return: None 1099 */ 1100 static inline void dp_peer_ast_cleanup(struct dp_soc *soc, 1101 struct dp_ast_entry *ast) 1102 { 1103 txrx_ast_free_cb cb = ast->callback; 1104 void *cookie = ast->cookie; 1105 1106 dp_peer_debug("mac_addr: " QDF_MAC_ADDR_FMT ", cb: %pK, cookie: %pK", 1107 QDF_MAC_ADDR_REF(ast->mac_addr.raw), cb, cookie); 1108 1109 /* Call the callbacks to free up the cookie */ 1110 if (cb) { 1111 ast->callback = NULL; 1112 ast->cookie = NULL; 1113 cb(soc->ctrl_psoc, 1114 dp_soc_to_cdp_soc(soc), 1115 cookie, 1116 CDP_TXRX_AST_DELETE_IN_PROGRESS); 1117 } 1118 } 1119 1120 void dp_peer_ast_hash_detach(struct dp_soc *soc) 1121 { 1122 unsigned int index; 1123 struct dp_ast_entry *ast, *ast_next; 1124 1125 if (!soc->ast_hash.mask) 1126 return; 1127 1128 if (!soc->ast_hash.bins) 1129 return; 1130 1131 dp_peer_debug("%pK: num_ast_entries: %u", soc, soc->num_ast_entries); 1132 1133 qdf_spin_lock_bh(&soc->ast_lock); 1134 for (index = 0; index <= soc->ast_hash.mask; index++) { 1135 if (!TAILQ_EMPTY(&soc->ast_hash.bins[index])) { 1136 TAILQ_FOREACH_SAFE(ast, &soc->ast_hash.bins[index], 1137 hash_list_elem, ast_next) { 1138 TAILQ_REMOVE(&soc->ast_hash.bins[index], ast, 1139 hash_list_elem); 1140 dp_peer_ast_cleanup(soc, ast); 1141 soc->num_ast_entries--; 1142 qdf_mem_free(ast); 1143 } 1144 } 1145 } 1146 qdf_spin_unlock_bh(&soc->ast_lock); 1147 1148 qdf_mem_free(soc->ast_hash.bins); 1149 soc->ast_hash.bins = NULL; 1150 } 1151 1152 /** 1153 * dp_peer_ast_hash_index() - Compute the AST hash from MAC address 1154 * @soc: SoC handle 1155 * @mac_addr: MAC address 1156 * 1157 * Return: AST hash 1158 */ 1159 static inline uint32_t dp_peer_ast_hash_index(struct dp_soc *soc, 1160 union dp_align_mac_addr *mac_addr) 1161 { 1162 uint32_t index; 1163 1164 index = 1165 mac_addr->align2.bytes_ab ^ 1166 mac_addr->align2.bytes_cd ^ 1167 mac_addr->align2.bytes_ef; 1168 index ^= index >> soc->ast_hash.idx_bits; 1169 index &= soc->ast_hash.mask; 1170 return index; 1171 } 1172 1173 /** 1174 * dp_peer_ast_hash_add() - Add AST entry into hash table 1175 * @soc: SoC handle 1176 * @ase: AST entry 1177 * 1178 * This function adds the AST entry into SoC AST hash table 1179 * It assumes caller has taken the ast lock to protect the access to this table 1180 * 1181 * Return: None 1182 */ 1183 static inline void dp_peer_ast_hash_add(struct dp_soc *soc, 1184 struct dp_ast_entry *ase) 1185 { 1186 uint32_t index; 1187 1188 index = dp_peer_ast_hash_index(soc, &ase->mac_addr); 1189 TAILQ_INSERT_TAIL(&soc->ast_hash.bins[index], ase, hash_list_elem); 1190 } 1191 1192 void dp_peer_ast_hash_remove(struct dp_soc *soc, 1193 struct dp_ast_entry *ase) 1194 { 1195 unsigned index; 1196 struct dp_ast_entry *tmpase; 1197 int found = 0; 1198 1199 if (soc->ast_offload_support && !soc->host_ast_db_enable) 1200 return; 1201 1202 index = dp_peer_ast_hash_index(soc, &ase->mac_addr); 1203 /* Check if tail is not empty before delete*/ 1204 QDF_ASSERT(!TAILQ_EMPTY(&soc->ast_hash.bins[index])); 1205 1206 dp_peer_debug("ID: %u idx: %u mac_addr: " QDF_MAC_ADDR_FMT, 1207 ase->peer_id, index, QDF_MAC_ADDR_REF(ase->mac_addr.raw)); 1208 1209 TAILQ_FOREACH(tmpase, &soc->ast_hash.bins[index], hash_list_elem) { 1210 if (tmpase == ase) { 1211 found = 1; 1212 break; 1213 } 1214 } 1215 1216 QDF_ASSERT(found); 1217 1218 if (found) 1219 TAILQ_REMOVE(&soc->ast_hash.bins[index], ase, hash_list_elem); 1220 } 1221 1222 struct dp_ast_entry *dp_peer_ast_hash_find_by_vdevid(struct dp_soc *soc, 1223 uint8_t *ast_mac_addr, 1224 uint8_t vdev_id) 1225 { 1226 union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; 1227 uint32_t index; 1228 struct dp_ast_entry *ase; 1229 1230 qdf_mem_copy(&local_mac_addr_aligned.raw[0], 1231 ast_mac_addr, QDF_MAC_ADDR_SIZE); 1232 mac_addr = &local_mac_addr_aligned; 1233 1234 index = dp_peer_ast_hash_index(soc, mac_addr); 1235 TAILQ_FOREACH(ase, &soc->ast_hash.bins[index], hash_list_elem) { 1236 if ((vdev_id == ase->vdev_id) && 1237 !dp_peer_find_mac_addr_cmp(mac_addr, &ase->mac_addr)) { 1238 return ase; 1239 } 1240 } 1241 1242 return NULL; 1243 } 1244 1245 struct dp_ast_entry *dp_peer_ast_hash_find_by_pdevid(struct dp_soc *soc, 1246 uint8_t *ast_mac_addr, 1247 uint8_t pdev_id) 1248 { 1249 union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; 1250 uint32_t index; 1251 struct dp_ast_entry *ase; 1252 1253 qdf_mem_copy(&local_mac_addr_aligned.raw[0], 1254 ast_mac_addr, QDF_MAC_ADDR_SIZE); 1255 mac_addr = &local_mac_addr_aligned; 1256 1257 index = dp_peer_ast_hash_index(soc, mac_addr); 1258 TAILQ_FOREACH(ase, &soc->ast_hash.bins[index], hash_list_elem) { 1259 if ((pdev_id == ase->pdev_id) && 1260 !dp_peer_find_mac_addr_cmp(mac_addr, &ase->mac_addr)) { 1261 return ase; 1262 } 1263 } 1264 1265 return NULL; 1266 } 1267 1268 struct dp_ast_entry *dp_peer_ast_hash_find_soc(struct dp_soc *soc, 1269 uint8_t *ast_mac_addr) 1270 { 1271 union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; 1272 unsigned index; 1273 struct dp_ast_entry *ase; 1274 1275 if (!soc->ast_hash.bins) 1276 return NULL; 1277 1278 qdf_mem_copy(&local_mac_addr_aligned.raw[0], 1279 ast_mac_addr, QDF_MAC_ADDR_SIZE); 1280 mac_addr = &local_mac_addr_aligned; 1281 1282 index = dp_peer_ast_hash_index(soc, mac_addr); 1283 TAILQ_FOREACH(ase, &soc->ast_hash.bins[index], hash_list_elem) { 1284 if (dp_peer_find_mac_addr_cmp(mac_addr, &ase->mac_addr) == 0) { 1285 return ase; 1286 } 1287 } 1288 1289 return NULL; 1290 } 1291 1292 struct dp_ast_entry *dp_peer_ast_hash_find_soc_by_type( 1293 struct dp_soc *soc, 1294 uint8_t *ast_mac_addr, 1295 enum cdp_txrx_ast_entry_type type) 1296 { 1297 union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; 1298 unsigned index; 1299 struct dp_ast_entry *ase; 1300 1301 if (!soc->ast_hash.bins) 1302 return NULL; 1303 1304 qdf_mem_copy(&local_mac_addr_aligned.raw[0], 1305 ast_mac_addr, QDF_MAC_ADDR_SIZE); 1306 mac_addr = &local_mac_addr_aligned; 1307 1308 index = dp_peer_ast_hash_index(soc, mac_addr); 1309 TAILQ_FOREACH(ase, &soc->ast_hash.bins[index], hash_list_elem) { 1310 if (dp_peer_find_mac_addr_cmp(mac_addr, &ase->mac_addr) == 0 && 1311 ase->type == type) { 1312 return ase; 1313 } 1314 } 1315 1316 return NULL; 1317 } 1318 1319 /** 1320 * dp_peer_map_ipa_evt() - Send peer map event to IPA 1321 * @soc: SoC handle 1322 * @peer: peer to which ast node belongs 1323 * @ast_entry: AST entry 1324 * @mac_addr: MAC address of ast node 1325 * 1326 * Return: None 1327 */ 1328 #if defined(IPA_OFFLOAD) && defined(QCA_IPA_LL_TX_FLOW_CONTROL) 1329 static inline 1330 void dp_peer_map_ipa_evt(struct dp_soc *soc, struct dp_peer *peer, 1331 struct dp_ast_entry *ast_entry, uint8_t *mac_addr) 1332 { 1333 if (ast_entry || (peer->vdev && peer->vdev->proxysta_vdev)) { 1334 if (soc->cdp_soc.ol_ops->peer_map_event) { 1335 soc->cdp_soc.ol_ops->peer_map_event( 1336 soc->ctrl_psoc, ast_entry->peer_id, 1337 ast_entry->ast_idx, ast_entry->vdev_id, 1338 mac_addr, ast_entry->type, ast_entry->ast_hash_value); 1339 } 1340 } else { 1341 dp_peer_info("%pK: AST entry not found", soc); 1342 } 1343 } 1344 1345 /** 1346 * dp_peer_unmap_ipa_evt() - Send peer unmap event to IPA 1347 * @soc: SoC handle 1348 * @peer_id: Peerid 1349 * @vdev_id: Vdev id 1350 * @mac_addr: Peer mac address 1351 * 1352 * Return: None 1353 */ 1354 static inline 1355 void dp_peer_unmap_ipa_evt(struct dp_soc *soc, uint16_t peer_id, 1356 uint8_t vdev_id, uint8_t *mac_addr) 1357 { 1358 if (soc->cdp_soc.ol_ops->peer_unmap_event) { 1359 soc->cdp_soc.ol_ops->peer_unmap_event(soc->ctrl_psoc, 1360 peer_id, vdev_id, 1361 mac_addr); 1362 } 1363 } 1364 #else 1365 static inline 1366 void dp_peer_unmap_ipa_evt(struct dp_soc *soc, uint16_t peer_id, 1367 uint8_t vdev_id, uint8_t *mac_addr) 1368 { 1369 } 1370 1371 static inline 1372 void dp_peer_map_ipa_evt(struct dp_soc *soc, struct dp_peer *peer, 1373 struct dp_ast_entry *ast_entry, uint8_t *mac_addr) 1374 { 1375 } 1376 #endif 1377 1378 QDF_STATUS dp_peer_host_add_map_ast(struct dp_soc *soc, uint16_t peer_id, 1379 uint8_t *mac_addr, uint16_t hw_peer_id, 1380 uint8_t vdev_id, uint16_t ast_hash, 1381 uint8_t is_wds) 1382 { 1383 struct dp_vdev *vdev; 1384 struct dp_ast_entry *ast_entry; 1385 enum cdp_txrx_ast_entry_type type; 1386 struct dp_peer *peer; 1387 struct dp_peer *old_peer; 1388 QDF_STATUS status = QDF_STATUS_SUCCESS; 1389 1390 if (is_wds) 1391 type = CDP_TXRX_AST_TYPE_WDS; 1392 else 1393 type = CDP_TXRX_AST_TYPE_STATIC; 1394 1395 peer = dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_HTT); 1396 if (!peer) { 1397 dp_peer_info("Peer not found soc:%pK: peer_id %d, peer_mac " QDF_MAC_ADDR_FMT ", vdev_id %d", 1398 soc, peer_id, 1399 QDF_MAC_ADDR_REF(mac_addr), vdev_id); 1400 return QDF_STATUS_E_INVAL; 1401 } 1402 1403 if (!is_wds && IS_MLO_DP_MLD_PEER(peer)) 1404 type = CDP_TXRX_AST_TYPE_MLD; 1405 1406 vdev = peer->vdev; 1407 if (!vdev) { 1408 dp_peer_err("%pK: Peers vdev is NULL", soc); 1409 status = QDF_STATUS_E_INVAL; 1410 goto fail; 1411 } 1412 1413 if (!dp_peer_state_cmp(peer, DP_PEER_STATE_ACTIVE)) { 1414 if (type != CDP_TXRX_AST_TYPE_STATIC && 1415 type != CDP_TXRX_AST_TYPE_MLD && 1416 type != CDP_TXRX_AST_TYPE_SELF) { 1417 status = QDF_STATUS_E_BUSY; 1418 goto fail; 1419 } 1420 } 1421 1422 dp_peer_debug("%pK: vdev: %u ast_entry->type: %d peer_mac: " QDF_MAC_ADDR_FMT " peer: %pK mac " QDF_MAC_ADDR_FMT, 1423 soc, vdev->vdev_id, type, 1424 QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer, 1425 QDF_MAC_ADDR_REF(mac_addr)); 1426 1427 /* 1428 * In MLO scenario, there is possibility for same mac address 1429 * on both link mac address and MLD mac address. 1430 * Duplicate AST map needs to be handled for non-mld type. 1431 */ 1432 qdf_spin_lock_bh(&soc->ast_lock); 1433 ast_entry = dp_peer_ast_hash_find_soc(soc, mac_addr); 1434 if (ast_entry && type != CDP_TXRX_AST_TYPE_MLD) { 1435 dp_peer_debug("AST present ID %d vid %d mac " QDF_MAC_ADDR_FMT, 1436 hw_peer_id, vdev_id, 1437 QDF_MAC_ADDR_REF(mac_addr)); 1438 1439 old_peer = __dp_peer_get_ref_by_id(soc, ast_entry->peer_id, 1440 DP_MOD_ID_AST); 1441 if (!old_peer) { 1442 dp_peer_info("Peer not found soc:%pK: peer_id %d, peer_mac " QDF_MAC_ADDR_FMT ", vdev_id %d", 1443 soc, ast_entry->peer_id, 1444 QDF_MAC_ADDR_REF(mac_addr), vdev_id); 1445 qdf_spin_unlock_bh(&soc->ast_lock); 1446 status = QDF_STATUS_E_INVAL; 1447 goto fail; 1448 } 1449 1450 dp_peer_unlink_ast_entry(soc, ast_entry, old_peer); 1451 dp_peer_free_ast_entry(soc, ast_entry); 1452 if (old_peer) 1453 dp_peer_unref_delete(old_peer, DP_MOD_ID_AST); 1454 } 1455 1456 ast_entry = (struct dp_ast_entry *) 1457 qdf_mem_malloc(sizeof(struct dp_ast_entry)); 1458 if (!ast_entry) { 1459 dp_peer_err("%pK: fail to allocate ast_entry", soc); 1460 qdf_spin_unlock_bh(&soc->ast_lock); 1461 QDF_ASSERT(0); 1462 status = QDF_STATUS_E_NOMEM; 1463 goto fail; 1464 } 1465 1466 qdf_mem_copy(&ast_entry->mac_addr.raw[0], mac_addr, QDF_MAC_ADDR_SIZE); 1467 ast_entry->pdev_id = vdev->pdev->pdev_id; 1468 ast_entry->is_mapped = false; 1469 ast_entry->delete_in_progress = false; 1470 ast_entry->next_hop = 0; 1471 ast_entry->vdev_id = vdev->vdev_id; 1472 ast_entry->type = type; 1473 1474 switch (type) { 1475 case CDP_TXRX_AST_TYPE_STATIC: 1476 if (peer->vdev->opmode == wlan_op_mode_sta) 1477 ast_entry->type = CDP_TXRX_AST_TYPE_STA_BSS; 1478 break; 1479 case CDP_TXRX_AST_TYPE_WDS: 1480 ast_entry->next_hop = 1; 1481 break; 1482 case CDP_TXRX_AST_TYPE_MLD: 1483 break; 1484 default: 1485 dp_peer_alert("%pK: Incorrect AST entry type", soc); 1486 } 1487 1488 ast_entry->is_active = TRUE; 1489 DP_STATS_INC(soc, ast.added, 1); 1490 soc->num_ast_entries++; 1491 dp_peer_ast_hash_add(soc, ast_entry); 1492 1493 ast_entry->ast_idx = hw_peer_id; 1494 ast_entry->ast_hash_value = ast_hash; 1495 ast_entry->peer_id = peer_id; 1496 TAILQ_INSERT_TAIL(&peer->ast_entry_list, ast_entry, 1497 ase_list_elem); 1498 1499 dp_peer_map_ipa_evt(soc, peer, ast_entry, mac_addr); 1500 1501 qdf_spin_unlock_bh(&soc->ast_lock); 1502 fail: 1503 dp_peer_unref_delete(peer, DP_MOD_ID_HTT); 1504 1505 return status; 1506 } 1507 1508 /** 1509 * dp_peer_map_ast() - Map the ast entry with HW AST Index 1510 * @soc: SoC handle 1511 * @peer: peer to which ast node belongs 1512 * @mac_addr: MAC address of ast node 1513 * @hw_peer_id: HW AST Index returned by target in peer map event 1514 * @vdev_id: vdev id for VAP to which the peer belongs to 1515 * @ast_hash: ast hash value in HW 1516 * @is_wds: flag to indicate peer map event for WDS ast entry 1517 * 1518 * Return: QDF_STATUS code 1519 */ 1520 static inline QDF_STATUS dp_peer_map_ast(struct dp_soc *soc, 1521 struct dp_peer *peer, 1522 uint8_t *mac_addr, 1523 uint16_t hw_peer_id, 1524 uint8_t vdev_id, 1525 uint16_t ast_hash, 1526 uint8_t is_wds) 1527 { 1528 struct dp_ast_entry *ast_entry = NULL; 1529 enum cdp_txrx_ast_entry_type peer_type = CDP_TXRX_AST_TYPE_STATIC; 1530 void *cookie = NULL; 1531 txrx_ast_free_cb cb = NULL; 1532 QDF_STATUS err = QDF_STATUS_SUCCESS; 1533 1534 if (soc->ast_offload_support && !wlan_cfg_get_dp_soc_dpdk_cfg(soc->ctrl_psoc)) 1535 return QDF_STATUS_SUCCESS; 1536 1537 if (!peer) { 1538 return QDF_STATUS_E_INVAL; 1539 } 1540 1541 dp_peer_err("%pK: peer %pK ID %d vid %d mac " QDF_MAC_ADDR_FMT, 1542 soc, peer, hw_peer_id, vdev_id, 1543 QDF_MAC_ADDR_REF(mac_addr)); 1544 1545 qdf_spin_lock_bh(&soc->ast_lock); 1546 1547 ast_entry = dp_peer_ast_hash_find_by_vdevid(soc, mac_addr, vdev_id); 1548 1549 if (is_wds) { 1550 /* 1551 * In certain cases like Auth attack on a repeater 1552 * can result in the number of ast_entries falling 1553 * in the same hash bucket to exceed the max_skid 1554 * length supported by HW in root AP. In these cases 1555 * the FW will return the hw_peer_id (ast_index) as 1556 * 0xffff indicating HW could not add the entry in 1557 * its table. Host has to delete the entry from its 1558 * table in these cases. 1559 */ 1560 if (hw_peer_id == HTT_INVALID_PEER) { 1561 DP_STATS_INC(soc, ast.map_err, 1); 1562 if (ast_entry) { 1563 if (ast_entry->is_mapped) { 1564 soc->ast_table[ast_entry->ast_idx] = 1565 NULL; 1566 } 1567 1568 cb = ast_entry->callback; 1569 cookie = ast_entry->cookie; 1570 peer_type = ast_entry->type; 1571 1572 dp_peer_unlink_ast_entry(soc, ast_entry, peer); 1573 dp_peer_free_ast_entry(soc, ast_entry); 1574 1575 qdf_spin_unlock_bh(&soc->ast_lock); 1576 1577 if (cb) { 1578 cb(soc->ctrl_psoc, 1579 dp_soc_to_cdp_soc(soc), 1580 cookie, 1581 CDP_TXRX_AST_DELETED); 1582 } 1583 } else { 1584 qdf_spin_unlock_bh(&soc->ast_lock); 1585 dp_peer_alert("AST entry not found with peer %pK peer_id %u peer_mac " QDF_MAC_ADDR_FMT " mac_addr " QDF_MAC_ADDR_FMT " vdev_id %u next_hop %u", 1586 peer, peer->peer_id, 1587 QDF_MAC_ADDR_REF(peer->mac_addr.raw), 1588 QDF_MAC_ADDR_REF(mac_addr), 1589 vdev_id, is_wds); 1590 } 1591 err = QDF_STATUS_E_INVAL; 1592 1593 dp_hmwds_ast_add_notify(peer, mac_addr, 1594 peer_type, err, true); 1595 1596 return err; 1597 } 1598 } 1599 1600 if (ast_entry) { 1601 ast_entry->ast_idx = hw_peer_id; 1602 soc->ast_table[hw_peer_id] = ast_entry; 1603 ast_entry->is_active = TRUE; 1604 peer_type = ast_entry->type; 1605 ast_entry->ast_hash_value = ast_hash; 1606 ast_entry->is_mapped = TRUE; 1607 qdf_assert_always(ast_entry->peer_id == HTT_INVALID_PEER); 1608 1609 ast_entry->peer_id = peer->peer_id; 1610 TAILQ_INSERT_TAIL(&peer->ast_entry_list, ast_entry, 1611 ase_list_elem); 1612 } 1613 1614 if (ast_entry || (peer->vdev && peer->vdev->proxysta_vdev) || 1615 wlan_cfg_get_dp_soc_dpdk_cfg(soc->ctrl_psoc)) { 1616 if (soc->cdp_soc.ol_ops->peer_map_event) { 1617 soc->cdp_soc.ol_ops->peer_map_event( 1618 soc->ctrl_psoc, peer->peer_id, 1619 hw_peer_id, vdev_id, 1620 mac_addr, peer_type, ast_hash); 1621 } 1622 } else { 1623 dp_peer_err("%pK: AST entry not found", soc); 1624 err = QDF_STATUS_E_NOENT; 1625 } 1626 1627 qdf_spin_unlock_bh(&soc->ast_lock); 1628 1629 dp_hmwds_ast_add_notify(peer, mac_addr, 1630 peer_type, err, true); 1631 1632 return err; 1633 } 1634 1635 void dp_peer_free_hmwds_cb(struct cdp_ctrl_objmgr_psoc *ctrl_psoc, 1636 struct cdp_soc *dp_soc, 1637 void *cookie, 1638 enum cdp_ast_free_status status) 1639 { 1640 struct dp_ast_free_cb_params *param = 1641 (struct dp_ast_free_cb_params *)cookie; 1642 struct dp_soc *soc = (struct dp_soc *)dp_soc; 1643 struct dp_peer *peer = NULL; 1644 QDF_STATUS err = QDF_STATUS_SUCCESS; 1645 1646 if (status != CDP_TXRX_AST_DELETED) { 1647 qdf_mem_free(cookie); 1648 return; 1649 } 1650 1651 peer = dp_peer_find_hash_find(soc, ¶m->peer_mac_addr.raw[0], 1652 0, param->vdev_id, DP_MOD_ID_AST); 1653 if (peer) { 1654 err = dp_peer_add_ast(soc, peer, 1655 ¶m->mac_addr.raw[0], 1656 param->type, 1657 param->flags); 1658 1659 dp_hmwds_ast_add_notify(peer, ¶m->mac_addr.raw[0], 1660 param->type, err, false); 1661 1662 dp_peer_unref_delete(peer, DP_MOD_ID_AST); 1663 } 1664 qdf_mem_free(cookie); 1665 } 1666 1667 QDF_STATUS dp_peer_add_ast(struct dp_soc *soc, 1668 struct dp_peer *peer, 1669 uint8_t *mac_addr, 1670 enum cdp_txrx_ast_entry_type type, 1671 uint32_t flags) 1672 { 1673 struct dp_ast_entry *ast_entry = NULL; 1674 struct dp_vdev *vdev = NULL; 1675 struct dp_pdev *pdev = NULL; 1676 txrx_ast_free_cb cb = NULL; 1677 void *cookie = NULL; 1678 struct dp_peer *vap_bss_peer = NULL; 1679 bool is_peer_found = false; 1680 int status = 0; 1681 1682 if (soc->ast_offload_support) 1683 return QDF_STATUS_E_INVAL; 1684 1685 vdev = peer->vdev; 1686 if (!vdev) { 1687 dp_peer_err("%pK: Peers vdev is NULL", soc); 1688 QDF_ASSERT(0); 1689 return QDF_STATUS_E_INVAL; 1690 } 1691 1692 pdev = vdev->pdev; 1693 1694 is_peer_found = dp_peer_exist_on_pdev(soc, mac_addr, 0, pdev); 1695 1696 qdf_spin_lock_bh(&soc->ast_lock); 1697 1698 if (!dp_peer_state_cmp(peer, DP_PEER_STATE_ACTIVE)) { 1699 if ((type != CDP_TXRX_AST_TYPE_STATIC) && 1700 (type != CDP_TXRX_AST_TYPE_SELF)) { 1701 qdf_spin_unlock_bh(&soc->ast_lock); 1702 return QDF_STATUS_E_BUSY; 1703 } 1704 } 1705 1706 dp_peer_debug("%pK: pdevid: %u vdev: %u ast_entry->type: %d flags: 0x%x peer_mac: " QDF_MAC_ADDR_FMT " peer: %pK mac " QDF_MAC_ADDR_FMT, 1707 soc, pdev->pdev_id, vdev->vdev_id, type, flags, 1708 QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer, 1709 QDF_MAC_ADDR_REF(mac_addr)); 1710 1711 /* fw supports only 2 times the max_peers ast entries */ 1712 if (soc->num_ast_entries >= 1713 wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx)) { 1714 qdf_spin_unlock_bh(&soc->ast_lock); 1715 dp_peer_err("%pK: Max ast entries reached", soc); 1716 return QDF_STATUS_E_RESOURCES; 1717 } 1718 1719 /* If AST entry already exists , just return from here 1720 * ast entry with same mac address can exist on different radios 1721 * if ast_override support is enabled use search by pdev in this 1722 * case 1723 */ 1724 if (soc->ast_override_support) { 1725 ast_entry = dp_peer_ast_hash_find_by_pdevid(soc, mac_addr, 1726 pdev->pdev_id); 1727 if (ast_entry) { 1728 qdf_spin_unlock_bh(&soc->ast_lock); 1729 return QDF_STATUS_E_ALREADY; 1730 } 1731 1732 if (is_peer_found) { 1733 /* During WDS to static roaming, peer is added 1734 * to the list before static AST entry create. 1735 * So, allow AST entry for STATIC type 1736 * even if peer is present 1737 */ 1738 if (type != CDP_TXRX_AST_TYPE_STATIC) { 1739 qdf_spin_unlock_bh(&soc->ast_lock); 1740 return QDF_STATUS_E_ALREADY; 1741 } 1742 } 1743 } else { 1744 /* For HWMWDS_SEC entries can be added for same mac address 1745 * do not check for existing entry 1746 */ 1747 if (type == CDP_TXRX_AST_TYPE_WDS_HM_SEC) 1748 goto add_ast_entry; 1749 1750 ast_entry = dp_peer_ast_hash_find_soc(soc, mac_addr); 1751 1752 if (ast_entry) { 1753 if ((ast_entry->type == CDP_TXRX_AST_TYPE_WDS_HM) && 1754 !ast_entry->delete_in_progress) { 1755 qdf_spin_unlock_bh(&soc->ast_lock); 1756 return QDF_STATUS_E_ALREADY; 1757 } 1758 1759 /* Add for HMWDS entry we cannot be ignored if there 1760 * is AST entry with same mac address 1761 * 1762 * if ast entry exists with the requested mac address 1763 * send a delete command and register callback which 1764 * can take care of adding HMWDS ast entry on delete 1765 * confirmation from target 1766 */ 1767 if (type == CDP_TXRX_AST_TYPE_WDS_HM) { 1768 struct dp_ast_free_cb_params *param = NULL; 1769 1770 if (ast_entry->type == 1771 CDP_TXRX_AST_TYPE_WDS_HM_SEC) 1772 goto add_ast_entry; 1773 1774 /* save existing callback */ 1775 if (ast_entry->callback) { 1776 cb = ast_entry->callback; 1777 cookie = ast_entry->cookie; 1778 } 1779 1780 param = qdf_mem_malloc(sizeof(*param)); 1781 if (!param) { 1782 QDF_TRACE(QDF_MODULE_ID_TXRX, 1783 QDF_TRACE_LEVEL_ERROR, 1784 "Allocation failed"); 1785 qdf_spin_unlock_bh(&soc->ast_lock); 1786 return QDF_STATUS_E_NOMEM; 1787 } 1788 1789 qdf_mem_copy(¶m->mac_addr.raw[0], mac_addr, 1790 QDF_MAC_ADDR_SIZE); 1791 qdf_mem_copy(¶m->peer_mac_addr.raw[0], 1792 &peer->mac_addr.raw[0], 1793 QDF_MAC_ADDR_SIZE); 1794 param->type = type; 1795 param->flags = flags; 1796 param->vdev_id = vdev->vdev_id; 1797 ast_entry->callback = dp_peer_free_hmwds_cb; 1798 ast_entry->pdev_id = vdev->pdev->pdev_id; 1799 ast_entry->type = type; 1800 ast_entry->cookie = (void *)param; 1801 if (!ast_entry->delete_in_progress) 1802 dp_peer_del_ast(soc, ast_entry); 1803 1804 qdf_spin_unlock_bh(&soc->ast_lock); 1805 1806 /* Call the saved callback*/ 1807 if (cb) { 1808 cb(soc->ctrl_psoc, 1809 dp_soc_to_cdp_soc(soc), 1810 cookie, 1811 CDP_TXRX_AST_DELETE_IN_PROGRESS); 1812 } 1813 return QDF_STATUS_E_AGAIN; 1814 } 1815 1816 qdf_spin_unlock_bh(&soc->ast_lock); 1817 return QDF_STATUS_E_ALREADY; 1818 } 1819 } 1820 1821 add_ast_entry: 1822 ast_entry = (struct dp_ast_entry *) 1823 qdf_mem_malloc(sizeof(struct dp_ast_entry)); 1824 1825 if (!ast_entry) { 1826 qdf_spin_unlock_bh(&soc->ast_lock); 1827 dp_peer_err("%pK: fail to allocate ast_entry", soc); 1828 QDF_ASSERT(0); 1829 return QDF_STATUS_E_NOMEM; 1830 } 1831 1832 qdf_mem_copy(&ast_entry->mac_addr.raw[0], mac_addr, QDF_MAC_ADDR_SIZE); 1833 ast_entry->pdev_id = vdev->pdev->pdev_id; 1834 ast_entry->is_mapped = false; 1835 ast_entry->delete_in_progress = false; 1836 ast_entry->peer_id = HTT_INVALID_PEER; 1837 ast_entry->next_hop = 0; 1838 ast_entry->vdev_id = vdev->vdev_id; 1839 1840 switch (type) { 1841 case CDP_TXRX_AST_TYPE_STATIC: 1842 peer->self_ast_entry = ast_entry; 1843 ast_entry->type = CDP_TXRX_AST_TYPE_STATIC; 1844 if (peer->vdev->opmode == wlan_op_mode_sta) 1845 ast_entry->type = CDP_TXRX_AST_TYPE_STA_BSS; 1846 break; 1847 case CDP_TXRX_AST_TYPE_SELF: 1848 peer->self_ast_entry = ast_entry; 1849 ast_entry->type = CDP_TXRX_AST_TYPE_SELF; 1850 break; 1851 case CDP_TXRX_AST_TYPE_WDS: 1852 ast_entry->next_hop = 1; 1853 ast_entry->type = CDP_TXRX_AST_TYPE_WDS; 1854 break; 1855 case CDP_TXRX_AST_TYPE_WDS_HM: 1856 ast_entry->next_hop = 1; 1857 ast_entry->type = CDP_TXRX_AST_TYPE_WDS_HM; 1858 break; 1859 case CDP_TXRX_AST_TYPE_WDS_HM_SEC: 1860 ast_entry->next_hop = 1; 1861 ast_entry->type = CDP_TXRX_AST_TYPE_WDS_HM_SEC; 1862 ast_entry->peer_id = peer->peer_id; 1863 TAILQ_INSERT_TAIL(&peer->ast_entry_list, ast_entry, 1864 ase_list_elem); 1865 break; 1866 case CDP_TXRX_AST_TYPE_DA: 1867 vap_bss_peer = dp_vdev_bss_peer_ref_n_get(soc, vdev, 1868 DP_MOD_ID_AST); 1869 if (!vap_bss_peer) { 1870 qdf_spin_unlock_bh(&soc->ast_lock); 1871 qdf_mem_free(ast_entry); 1872 return QDF_STATUS_E_FAILURE; 1873 } 1874 peer = vap_bss_peer; 1875 ast_entry->next_hop = 1; 1876 ast_entry->type = CDP_TXRX_AST_TYPE_DA; 1877 break; 1878 default: 1879 dp_peer_err("%pK: Incorrect AST entry type", soc); 1880 } 1881 1882 ast_entry->is_active = TRUE; 1883 DP_STATS_INC(soc, ast.added, 1); 1884 soc->num_ast_entries++; 1885 dp_peer_ast_hash_add(soc, ast_entry); 1886 1887 if ((ast_entry->type != CDP_TXRX_AST_TYPE_STATIC) && 1888 (ast_entry->type != CDP_TXRX_AST_TYPE_SELF) && 1889 (ast_entry->type != CDP_TXRX_AST_TYPE_STA_BSS) && 1890 (ast_entry->type != CDP_TXRX_AST_TYPE_WDS_HM_SEC)) 1891 status = dp_add_wds_entry_wrapper(soc, 1892 peer, 1893 mac_addr, 1894 flags, 1895 ast_entry->type); 1896 1897 if (vap_bss_peer) 1898 dp_peer_unref_delete(vap_bss_peer, DP_MOD_ID_AST); 1899 1900 qdf_spin_unlock_bh(&soc->ast_lock); 1901 return qdf_status_from_os_return(status); 1902 } 1903 1904 qdf_export_symbol(dp_peer_add_ast); 1905 1906 void dp_peer_free_ast_entry(struct dp_soc *soc, 1907 struct dp_ast_entry *ast_entry) 1908 { 1909 /* 1910 * NOTE: Ensure that call to this API is done 1911 * after soc->ast_lock is taken 1912 */ 1913 dp_peer_debug("type: %d ID: %u vid: %u mac_addr: " QDF_MAC_ADDR_FMT, 1914 ast_entry->type, ast_entry->peer_id, ast_entry->vdev_id, 1915 QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw)); 1916 1917 ast_entry->callback = NULL; 1918 ast_entry->cookie = NULL; 1919 1920 DP_STATS_INC(soc, ast.deleted, 1); 1921 dp_peer_ast_hash_remove(soc, ast_entry); 1922 dp_peer_ast_cleanup(soc, ast_entry); 1923 qdf_mem_free(ast_entry); 1924 soc->num_ast_entries--; 1925 } 1926 1927 void dp_peer_unlink_ast_entry(struct dp_soc *soc, 1928 struct dp_ast_entry *ast_entry, 1929 struct dp_peer *peer) 1930 { 1931 if (!peer) { 1932 dp_info_rl("NULL peer"); 1933 return; 1934 } 1935 1936 if (ast_entry->peer_id == HTT_INVALID_PEER) { 1937 dp_info_rl("Invalid peer id in AST entry mac addr:"QDF_MAC_ADDR_FMT" type:%d", 1938 QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw), 1939 ast_entry->type); 1940 return; 1941 } 1942 /* 1943 * NOTE: Ensure that call to this API is done 1944 * after soc->ast_lock is taken 1945 */ 1946 1947 qdf_assert_always(ast_entry->peer_id == peer->peer_id); 1948 TAILQ_REMOVE(&peer->ast_entry_list, ast_entry, ase_list_elem); 1949 1950 if (ast_entry == peer->self_ast_entry) 1951 peer->self_ast_entry = NULL; 1952 1953 /* 1954 * release the reference only if it is mapped 1955 * to ast_table 1956 */ 1957 if (ast_entry->is_mapped) 1958 soc->ast_table[ast_entry->ast_idx] = NULL; 1959 1960 ast_entry->peer_id = HTT_INVALID_PEER; 1961 } 1962 1963 void dp_peer_del_ast(struct dp_soc *soc, struct dp_ast_entry *ast_entry) 1964 { 1965 struct dp_peer *peer = NULL; 1966 1967 if (soc->ast_offload_support) 1968 return; 1969 1970 if (!ast_entry) { 1971 dp_info_rl("NULL AST entry"); 1972 return; 1973 } 1974 1975 if (ast_entry->delete_in_progress) { 1976 dp_info_rl("AST entry deletion in progress mac addr:"QDF_MAC_ADDR_FMT" type:%d", 1977 QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw), 1978 ast_entry->type); 1979 return; 1980 } 1981 1982 dp_peer_debug("call by %ps: ID: %u vid: %u mac_addr: " QDF_MAC_ADDR_FMT, 1983 (void *)_RET_IP_, ast_entry->peer_id, ast_entry->vdev_id, 1984 QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw)); 1985 1986 ast_entry->delete_in_progress = true; 1987 1988 /* In teardown del ast is called after setting logical delete state 1989 * use __dp_peer_get_ref_by_id to get the reference irrespective of 1990 * state 1991 */ 1992 peer = __dp_peer_get_ref_by_id(soc, ast_entry->peer_id, 1993 DP_MOD_ID_AST); 1994 1995 dp_peer_ast_send_wds_del(soc, ast_entry, peer); 1996 1997 /* Remove SELF and STATIC entries in teardown itself */ 1998 if (!ast_entry->next_hop) 1999 dp_peer_unlink_ast_entry(soc, ast_entry, peer); 2000 2001 if (ast_entry->is_mapped) 2002 soc->ast_table[ast_entry->ast_idx] = NULL; 2003 2004 /* if peer map v2 is enabled we are not freeing ast entry 2005 * here and it is supposed to be freed in unmap event (after 2006 * we receive delete confirmation from target) 2007 * 2008 * if peer_id is invalid we did not get the peer map event 2009 * for the peer free ast entry from here only in this case 2010 */ 2011 if (dp_peer_ast_free_in_unmap_supported(soc, ast_entry)) 2012 goto end; 2013 2014 /* for WDS secondary entry ast_entry->next_hop would be set so 2015 * unlinking has to be done explicitly here. 2016 * As this entry is not a mapped entry unmap notification from 2017 * FW will not come. Hence unlinkling is done right here. 2018 */ 2019 2020 if (ast_entry->type == CDP_TXRX_AST_TYPE_WDS_HM_SEC) 2021 dp_peer_unlink_ast_entry(soc, ast_entry, peer); 2022 2023 dp_peer_free_ast_entry(soc, ast_entry); 2024 2025 end: 2026 if (peer) 2027 dp_peer_unref_delete(peer, DP_MOD_ID_AST); 2028 } 2029 2030 int dp_peer_update_ast(struct dp_soc *soc, struct dp_peer *peer, 2031 struct dp_ast_entry *ast_entry, uint32_t flags) 2032 { 2033 int ret = -1; 2034 struct dp_peer *old_peer; 2035 2036 if (soc->ast_offload_support) 2037 return QDF_STATUS_E_INVAL; 2038 2039 dp_peer_debug("%pK: ast_entry->type: %d pdevid: %u vdevid: %u flags: 0x%x mac_addr: " QDF_MAC_ADDR_FMT " peer_mac: " QDF_MAC_ADDR_FMT "\n", 2040 soc, ast_entry->type, peer->vdev->pdev->pdev_id, 2041 peer->vdev->vdev_id, flags, 2042 QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw), 2043 QDF_MAC_ADDR_REF(peer->mac_addr.raw)); 2044 2045 /* Do not send AST update in below cases 2046 * 1) Ast entry delete has already triggered 2047 * 2) Peer delete is already triggered 2048 * 3) We did not get the HTT map for create event 2049 */ 2050 if (ast_entry->delete_in_progress || 2051 !dp_peer_state_cmp(peer, DP_PEER_STATE_ACTIVE) || 2052 !ast_entry->is_mapped) 2053 return ret; 2054 2055 if ((ast_entry->type == CDP_TXRX_AST_TYPE_STATIC) || 2056 (ast_entry->type == CDP_TXRX_AST_TYPE_SELF) || 2057 (ast_entry->type == CDP_TXRX_AST_TYPE_STA_BSS) || 2058 (ast_entry->type == CDP_TXRX_AST_TYPE_WDS_HM_SEC)) 2059 return 0; 2060 2061 /* 2062 * Avoids flood of WMI update messages sent to FW for same peer. 2063 */ 2064 if (qdf_unlikely(ast_entry->peer_id == peer->peer_id) && 2065 (ast_entry->type == CDP_TXRX_AST_TYPE_WDS) && 2066 (ast_entry->vdev_id == peer->vdev->vdev_id) && 2067 (ast_entry->is_active)) 2068 return 0; 2069 2070 old_peer = dp_peer_get_ref_by_id(soc, ast_entry->peer_id, 2071 DP_MOD_ID_AST); 2072 if (!old_peer) 2073 return 0; 2074 2075 TAILQ_REMOVE(&old_peer->ast_entry_list, ast_entry, ase_list_elem); 2076 2077 dp_peer_unref_delete(old_peer, DP_MOD_ID_AST); 2078 2079 ast_entry->peer_id = peer->peer_id; 2080 ast_entry->type = CDP_TXRX_AST_TYPE_WDS; 2081 ast_entry->pdev_id = peer->vdev->pdev->pdev_id; 2082 ast_entry->vdev_id = peer->vdev->vdev_id; 2083 ast_entry->is_active = TRUE; 2084 TAILQ_INSERT_TAIL(&peer->ast_entry_list, ast_entry, ase_list_elem); 2085 2086 ret = dp_update_wds_entry_wrapper(soc, 2087 peer, 2088 ast_entry->mac_addr.raw, 2089 flags); 2090 2091 return ret; 2092 } 2093 2094 uint8_t dp_peer_ast_get_pdev_id(struct dp_soc *soc, 2095 struct dp_ast_entry *ast_entry) 2096 { 2097 return ast_entry->pdev_id; 2098 } 2099 2100 uint8_t dp_peer_ast_get_next_hop(struct dp_soc *soc, 2101 struct dp_ast_entry *ast_entry) 2102 { 2103 return ast_entry->next_hop; 2104 } 2105 2106 void dp_peer_ast_set_type(struct dp_soc *soc, 2107 struct dp_ast_entry *ast_entry, 2108 enum cdp_txrx_ast_entry_type type) 2109 { 2110 ast_entry->type = type; 2111 } 2112 2113 void dp_peer_ast_send_wds_del(struct dp_soc *soc, 2114 struct dp_ast_entry *ast_entry, 2115 struct dp_peer *peer) 2116 { 2117 bool delete_in_fw = false; 2118 2119 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_TRACE, 2120 "%s: ast_entry->type: %d pdevid: %u vdev: %u mac_addr: "QDF_MAC_ADDR_FMT" next_hop: %u peer_id: %uM\n", 2121 __func__, ast_entry->type, ast_entry->pdev_id, 2122 ast_entry->vdev_id, 2123 QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw), 2124 ast_entry->next_hop, ast_entry->peer_id); 2125 2126 /* 2127 * If peer state is logical delete, the peer is about to get 2128 * teared down with a peer delete command to firmware, 2129 * which will cleanup all the wds ast entries. 2130 * So, no need to send explicit wds ast delete to firmware. 2131 */ 2132 if (ast_entry->next_hop) { 2133 if (peer && dp_peer_state_cmp(peer, 2134 DP_PEER_STATE_LOGICAL_DELETE)) 2135 delete_in_fw = false; 2136 else 2137 delete_in_fw = true; 2138 2139 dp_del_wds_entry_wrapper(soc, 2140 ast_entry->vdev_id, 2141 ast_entry->mac_addr.raw, 2142 ast_entry->type, 2143 delete_in_fw); 2144 } 2145 } 2146 #else 2147 void dp_peer_free_ast_entry(struct dp_soc *soc, 2148 struct dp_ast_entry *ast_entry) 2149 { 2150 } 2151 2152 void dp_peer_unlink_ast_entry(struct dp_soc *soc, 2153 struct dp_ast_entry *ast_entry, 2154 struct dp_peer *peer) 2155 { 2156 } 2157 2158 void dp_peer_ast_hash_remove(struct dp_soc *soc, 2159 struct dp_ast_entry *ase) 2160 { 2161 } 2162 2163 struct dp_ast_entry *dp_peer_ast_hash_find_by_vdevid(struct dp_soc *soc, 2164 uint8_t *ast_mac_addr, 2165 uint8_t vdev_id) 2166 { 2167 return NULL; 2168 } 2169 2170 QDF_STATUS dp_peer_add_ast(struct dp_soc *soc, 2171 struct dp_peer *peer, 2172 uint8_t *mac_addr, 2173 enum cdp_txrx_ast_entry_type type, 2174 uint32_t flags) 2175 { 2176 return QDF_STATUS_E_FAILURE; 2177 } 2178 2179 void dp_peer_del_ast(struct dp_soc *soc, struct dp_ast_entry *ast_entry) 2180 { 2181 } 2182 2183 int dp_peer_update_ast(struct dp_soc *soc, struct dp_peer *peer, 2184 struct dp_ast_entry *ast_entry, uint32_t flags) 2185 { 2186 return 1; 2187 } 2188 2189 struct dp_ast_entry *dp_peer_ast_hash_find_soc(struct dp_soc *soc, 2190 uint8_t *ast_mac_addr) 2191 { 2192 return NULL; 2193 } 2194 2195 struct dp_ast_entry *dp_peer_ast_hash_find_soc_by_type( 2196 struct dp_soc *soc, 2197 uint8_t *ast_mac_addr, 2198 enum cdp_txrx_ast_entry_type type) 2199 { 2200 return NULL; 2201 } 2202 2203 static inline 2204 QDF_STATUS dp_peer_host_add_map_ast(struct dp_soc *soc, uint16_t peer_id, 2205 uint8_t *mac_addr, uint16_t hw_peer_id, 2206 uint8_t vdev_id, uint16_t ast_hash, 2207 uint8_t is_wds) 2208 { 2209 return QDF_STATUS_SUCCESS; 2210 } 2211 2212 struct dp_ast_entry *dp_peer_ast_hash_find_by_pdevid(struct dp_soc *soc, 2213 uint8_t *ast_mac_addr, 2214 uint8_t pdev_id) 2215 { 2216 return NULL; 2217 } 2218 2219 QDF_STATUS dp_peer_ast_hash_attach(struct dp_soc *soc) 2220 { 2221 return QDF_STATUS_SUCCESS; 2222 } 2223 2224 static inline QDF_STATUS dp_peer_map_ast(struct dp_soc *soc, 2225 struct dp_peer *peer, 2226 uint8_t *mac_addr, 2227 uint16_t hw_peer_id, 2228 uint8_t vdev_id, 2229 uint16_t ast_hash, 2230 uint8_t is_wds) 2231 { 2232 return QDF_STATUS_SUCCESS; 2233 } 2234 2235 void dp_peer_ast_hash_detach(struct dp_soc *soc) 2236 { 2237 } 2238 2239 void dp_peer_ast_set_type(struct dp_soc *soc, 2240 struct dp_ast_entry *ast_entry, 2241 enum cdp_txrx_ast_entry_type type) 2242 { 2243 } 2244 2245 uint8_t dp_peer_ast_get_pdev_id(struct dp_soc *soc, 2246 struct dp_ast_entry *ast_entry) 2247 { 2248 return 0xff; 2249 } 2250 2251 uint8_t dp_peer_ast_get_next_hop(struct dp_soc *soc, 2252 struct dp_ast_entry *ast_entry) 2253 { 2254 return 0xff; 2255 } 2256 2257 void dp_peer_ast_send_wds_del(struct dp_soc *soc, 2258 struct dp_ast_entry *ast_entry, 2259 struct dp_peer *peer) 2260 { 2261 } 2262 2263 static inline 2264 void dp_peer_unmap_ipa_evt(struct dp_soc *soc, uint16_t peer_id, 2265 uint8_t vdev_id, uint8_t *mac_addr) 2266 { 2267 } 2268 #endif 2269 2270 #ifdef WLAN_FEATURE_MULTI_AST_DEL 2271 void dp_peer_ast_send_multi_wds_del( 2272 struct dp_soc *soc, uint8_t vdev_id, 2273 struct peer_del_multi_wds_entries *wds_list) 2274 { 2275 struct cdp_soc_t *cdp_soc = &soc->cdp_soc; 2276 2277 if (cdp_soc && cdp_soc->ol_ops && 2278 cdp_soc->ol_ops->peer_del_multi_wds_entry) 2279 cdp_soc->ol_ops->peer_del_multi_wds_entry(soc->ctrl_psoc, 2280 vdev_id, wds_list); 2281 } 2282 #endif 2283 2284 #ifdef FEATURE_WDS 2285 /** 2286 * dp_peer_ast_free_wds_entries() - Free wds ast entries associated with peer 2287 * @soc: soc handle 2288 * @peer: peer handle 2289 * 2290 * Free all the wds ast entries associated with peer 2291 * 2292 * Return: Number of wds ast entries freed 2293 */ 2294 static uint32_t dp_peer_ast_free_wds_entries(struct dp_soc *soc, 2295 struct dp_peer *peer) 2296 { 2297 TAILQ_HEAD(, dp_ast_entry) ast_local_list = {0}; 2298 struct dp_ast_entry *ast_entry, *temp_ast_entry; 2299 uint32_t num_ast = 0; 2300 2301 TAILQ_INIT(&ast_local_list); 2302 qdf_spin_lock_bh(&soc->ast_lock); 2303 2304 DP_PEER_ITERATE_ASE_LIST(peer, ast_entry, temp_ast_entry) { 2305 if (ast_entry->next_hop) 2306 num_ast++; 2307 2308 if (ast_entry->is_mapped) 2309 soc->ast_table[ast_entry->ast_idx] = NULL; 2310 2311 dp_peer_unlink_ast_entry(soc, ast_entry, peer); 2312 DP_STATS_INC(soc, ast.deleted, 1); 2313 dp_peer_ast_hash_remove(soc, ast_entry); 2314 TAILQ_INSERT_TAIL(&ast_local_list, ast_entry, 2315 ase_list_elem); 2316 soc->num_ast_entries--; 2317 } 2318 2319 qdf_spin_unlock_bh(&soc->ast_lock); 2320 2321 TAILQ_FOREACH_SAFE(ast_entry, &ast_local_list, ase_list_elem, 2322 temp_ast_entry) { 2323 if (ast_entry->callback) 2324 ast_entry->callback(soc->ctrl_psoc, 2325 dp_soc_to_cdp_soc(soc), 2326 ast_entry->cookie, 2327 CDP_TXRX_AST_DELETED); 2328 2329 qdf_mem_free(ast_entry); 2330 } 2331 2332 return num_ast; 2333 } 2334 /** 2335 * dp_peer_clean_wds_entries() - Clean wds ast entries and compare 2336 * @soc: soc handle 2337 * @peer: peer handle 2338 * @free_wds_count: number of wds entries freed by FW with peer delete 2339 * 2340 * Free all the wds ast entries associated with peer and compare with 2341 * the value received from firmware 2342 * 2343 * Return: Number of wds ast entries freed 2344 */ 2345 static void 2346 dp_peer_clean_wds_entries(struct dp_soc *soc, struct dp_peer *peer, 2347 uint32_t free_wds_count) 2348 { 2349 uint32_t wds_deleted = 0; 2350 2351 if (soc->ast_offload_support && !soc->host_ast_db_enable) 2352 return; 2353 2354 wds_deleted = dp_peer_ast_free_wds_entries(soc, peer); 2355 if ((DP_PEER_WDS_COUNT_INVALID != free_wds_count) && 2356 (free_wds_count != wds_deleted)) { 2357 DP_STATS_INC(soc, ast.ast_mismatch, 1); 2358 dp_alert("For peer %pK (mac: "QDF_MAC_ADDR_FMT")number of wds entries deleted by fw = %d during peer delete is not same as the numbers deleted by host = %d", 2359 peer, peer->mac_addr.raw, free_wds_count, 2360 wds_deleted); 2361 } 2362 } 2363 2364 #else 2365 static void 2366 dp_peer_clean_wds_entries(struct dp_soc *soc, struct dp_peer *peer, 2367 uint32_t free_wds_count) 2368 { 2369 struct dp_ast_entry *ast_entry, *temp_ast_entry; 2370 2371 qdf_spin_lock_bh(&soc->ast_lock); 2372 2373 DP_PEER_ITERATE_ASE_LIST(peer, ast_entry, temp_ast_entry) { 2374 dp_peer_unlink_ast_entry(soc, ast_entry, peer); 2375 2376 if (ast_entry->is_mapped) 2377 soc->ast_table[ast_entry->ast_idx] = NULL; 2378 2379 dp_peer_free_ast_entry(soc, ast_entry); 2380 } 2381 2382 peer->self_ast_entry = NULL; 2383 qdf_spin_unlock_bh(&soc->ast_lock); 2384 } 2385 #endif 2386 2387 /** 2388 * dp_peer_ast_free_entry_by_mac() - find ast entry by MAC address and delete 2389 * @soc: soc handle 2390 * @peer: peer handle 2391 * @vdev_id: vdev_id 2392 * @mac_addr: mac address of the AST entry to searc and delete 2393 * 2394 * find the ast entry from the peer list using the mac address and free 2395 * the entry. 2396 * 2397 * Return: SUCCESS or NOENT 2398 */ 2399 static int dp_peer_ast_free_entry_by_mac(struct dp_soc *soc, 2400 struct dp_peer *peer, 2401 uint8_t vdev_id, 2402 uint8_t *mac_addr) 2403 { 2404 struct dp_ast_entry *ast_entry; 2405 void *cookie = NULL; 2406 txrx_ast_free_cb cb = NULL; 2407 2408 /* 2409 * release the reference only if it is mapped 2410 * to ast_table 2411 */ 2412 2413 qdf_spin_lock_bh(&soc->ast_lock); 2414 2415 ast_entry = dp_peer_ast_hash_find_by_vdevid(soc, mac_addr, vdev_id); 2416 if (!ast_entry) { 2417 qdf_spin_unlock_bh(&soc->ast_lock); 2418 return QDF_STATUS_E_NOENT; 2419 } else if (ast_entry->is_mapped) { 2420 soc->ast_table[ast_entry->ast_idx] = NULL; 2421 } 2422 2423 cb = ast_entry->callback; 2424 cookie = ast_entry->cookie; 2425 2426 2427 dp_peer_unlink_ast_entry(soc, ast_entry, peer); 2428 2429 dp_peer_free_ast_entry(soc, ast_entry); 2430 2431 qdf_spin_unlock_bh(&soc->ast_lock); 2432 2433 if (cb) { 2434 cb(soc->ctrl_psoc, 2435 dp_soc_to_cdp_soc(soc), 2436 cookie, 2437 CDP_TXRX_AST_DELETED); 2438 } 2439 2440 return QDF_STATUS_SUCCESS; 2441 } 2442 2443 void dp_peer_find_hash_erase(struct dp_soc *soc) 2444 { 2445 int i; 2446 2447 /* 2448 * Not really necessary to take peer_ref_mutex lock - by this point, 2449 * it's known that the soc is no longer in use. 2450 */ 2451 for (i = 0; i <= soc->peer_hash.mask; i++) { 2452 if (!TAILQ_EMPTY(&soc->peer_hash.bins[i])) { 2453 struct dp_peer *peer, *peer_next; 2454 2455 /* 2456 * TAILQ_FOREACH_SAFE must be used here to avoid any 2457 * memory access violation after peer is freed 2458 */ 2459 TAILQ_FOREACH_SAFE(peer, &soc->peer_hash.bins[i], 2460 hash_list_elem, peer_next) { 2461 /* 2462 * Don't remove the peer from the hash table - 2463 * that would modify the list we are currently 2464 * traversing, and it's not necessary anyway. 2465 */ 2466 /* 2467 * Artificially adjust the peer's ref count to 2468 * 1, so it will get deleted by 2469 * dp_peer_unref_delete. 2470 */ 2471 /* set to zero */ 2472 qdf_atomic_init(&peer->ref_cnt); 2473 for (i = 0; i < DP_MOD_ID_MAX; i++) 2474 qdf_atomic_init(&peer->mod_refs[i]); 2475 /* incr to one */ 2476 qdf_atomic_inc(&peer->ref_cnt); 2477 qdf_atomic_inc(&peer->mod_refs 2478 [DP_MOD_ID_CONFIG]); 2479 dp_peer_unref_delete(peer, 2480 DP_MOD_ID_CONFIG); 2481 } 2482 } 2483 } 2484 } 2485 2486 void dp_peer_ast_table_detach(struct dp_soc *soc) 2487 { 2488 if (soc->ast_table) { 2489 qdf_mem_free(soc->ast_table); 2490 soc->ast_table = NULL; 2491 } 2492 } 2493 2494 void dp_peer_find_map_detach(struct dp_soc *soc) 2495 { 2496 struct dp_peer *peer = NULL; 2497 uint32_t i = 0; 2498 2499 if (soc->peer_id_to_obj_map) { 2500 for (i = 0; i < soc->max_peer_id; i++) { 2501 peer = soc->peer_id_to_obj_map[i]; 2502 if (peer) 2503 dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); 2504 } 2505 qdf_mem_free(soc->peer_id_to_obj_map); 2506 soc->peer_id_to_obj_map = NULL; 2507 qdf_spinlock_destroy(&soc->peer_map_lock); 2508 } 2509 } 2510 2511 #ifndef AST_OFFLOAD_ENABLE 2512 QDF_STATUS dp_peer_find_attach(struct dp_soc *soc) 2513 { 2514 QDF_STATUS status; 2515 2516 status = dp_peer_find_map_attach(soc); 2517 if (!QDF_IS_STATUS_SUCCESS(status)) 2518 return status; 2519 2520 status = dp_peer_find_hash_attach(soc); 2521 if (!QDF_IS_STATUS_SUCCESS(status)) 2522 goto map_detach; 2523 2524 status = dp_peer_ast_table_attach(soc); 2525 if (!QDF_IS_STATUS_SUCCESS(status)) 2526 goto hash_detach; 2527 2528 status = dp_peer_ast_hash_attach(soc); 2529 if (!QDF_IS_STATUS_SUCCESS(status)) 2530 goto ast_table_detach; 2531 2532 status = dp_peer_mec_hash_attach(soc); 2533 if (QDF_IS_STATUS_SUCCESS(status)) { 2534 dp_soc_wds_attach(soc); 2535 return status; 2536 } 2537 2538 dp_peer_ast_hash_detach(soc); 2539 ast_table_detach: 2540 dp_peer_ast_table_detach(soc); 2541 hash_detach: 2542 dp_peer_find_hash_detach(soc); 2543 map_detach: 2544 dp_peer_find_map_detach(soc); 2545 2546 return status; 2547 } 2548 #else 2549 QDF_STATUS dp_peer_find_attach(struct dp_soc *soc) 2550 { 2551 QDF_STATUS status; 2552 2553 status = dp_peer_find_map_attach(soc); 2554 if (!QDF_IS_STATUS_SUCCESS(status)) 2555 return status; 2556 2557 status = dp_peer_find_hash_attach(soc); 2558 if (!QDF_IS_STATUS_SUCCESS(status)) 2559 goto map_detach; 2560 2561 return status; 2562 map_detach: 2563 dp_peer_find_map_detach(soc); 2564 2565 return status; 2566 } 2567 #endif 2568 2569 #ifdef REO_SHARED_QREF_TABLE_EN 2570 void dp_peer_rx_reo_shared_qaddr_delete(struct dp_soc *soc, 2571 struct dp_peer *peer) 2572 { 2573 uint8_t tid; 2574 uint16_t peer_id; 2575 uint32_t max_list_size; 2576 2577 max_list_size = soc->wlan_cfg_ctx->qref_control_size; 2578 2579 peer_id = peer->peer_id; 2580 2581 if (peer_id > soc->max_peer_id) 2582 return; 2583 if (IS_MLO_DP_LINK_PEER(peer)) 2584 return; 2585 2586 if (max_list_size) { 2587 unsigned long curr_ts = qdf_get_system_timestamp(); 2588 struct dp_peer *primary_peer = peer; 2589 uint16_t chip_id = 0xFFFF; 2590 uint32_t qref_index; 2591 2592 qref_index = soc->shared_qaddr_del_idx; 2593 2594 soc->list_shared_qaddr_del[qref_index].peer_id = 2595 primary_peer->peer_id; 2596 soc->list_shared_qaddr_del[qref_index].ts_qaddr_del = curr_ts; 2597 soc->list_shared_qaddr_del[qref_index].chip_id = chip_id; 2598 soc->shared_qaddr_del_idx++; 2599 2600 if (soc->shared_qaddr_del_idx == max_list_size) 2601 soc->shared_qaddr_del_idx = 0; 2602 } 2603 2604 if (hal_reo_shared_qaddr_is_enable(soc->hal_soc)) { 2605 for (tid = 0; tid < DP_MAX_TIDS; tid++) { 2606 hal_reo_shared_qaddr_write(soc->hal_soc, 2607 peer_id, tid, 0); 2608 } 2609 } 2610 } 2611 #endif 2612 2613 /** 2614 * dp_peer_find_add_id() - map peer_id with peer 2615 * @soc: soc handle 2616 * @peer_mac_addr: peer mac address 2617 * @peer_id: peer id to be mapped 2618 * @hw_peer_id: HW ast index 2619 * @vdev_id: vdev_id 2620 * @peer_type: peer type (link or MLD) 2621 * 2622 * return: peer in success 2623 * NULL in failure 2624 */ 2625 static inline struct dp_peer *dp_peer_find_add_id(struct dp_soc *soc, 2626 uint8_t *peer_mac_addr, uint16_t peer_id, uint16_t hw_peer_id, 2627 uint8_t vdev_id, enum cdp_peer_type peer_type) 2628 { 2629 struct dp_peer *peer; 2630 struct cdp_peer_info peer_info = { 0 }; 2631 2632 QDF_ASSERT(peer_id <= soc->max_peer_id); 2633 /* check if there's already a peer object with this MAC address */ 2634 DP_PEER_INFO_PARAMS_INIT(&peer_info, vdev_id, peer_mac_addr, 2635 false, peer_type); 2636 peer = dp_peer_hash_find_wrapper(soc, &peer_info, DP_MOD_ID_CONFIG); 2637 dp_peer_debug("%pK: peer %pK ID %d vid %d mac " QDF_MAC_ADDR_FMT, 2638 soc, peer, peer_id, vdev_id, 2639 QDF_MAC_ADDR_REF(peer_mac_addr)); 2640 2641 if (peer) { 2642 /* peer's ref count was already incremented by 2643 * peer_find_hash_find 2644 */ 2645 dp_peer_info("%pK: ref_cnt: %d", soc, 2646 qdf_atomic_read(&peer->ref_cnt)); 2647 2648 /* 2649 * if peer is in logical delete CP triggered delete before map 2650 * is received ignore this event 2651 */ 2652 if (dp_peer_state_cmp(peer, DP_PEER_STATE_LOGICAL_DELETE)) { 2653 dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); 2654 dp_alert("Peer %pK["QDF_MAC_ADDR_FMT"] logical delete state vid %d", 2655 peer, QDF_MAC_ADDR_REF(peer_mac_addr), 2656 vdev_id); 2657 return NULL; 2658 } 2659 2660 if (peer->peer_id == HTT_INVALID_PEER) { 2661 if (!IS_MLO_DP_MLD_PEER(peer)) 2662 dp_monitor_peer_tid_peer_id_update(soc, peer, 2663 peer_id); 2664 } else { 2665 dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); 2666 QDF_ASSERT(0); 2667 return NULL; 2668 } 2669 dp_peer_find_id_to_obj_add(soc, peer, peer_id); 2670 if (soc->arch_ops.dp_partner_chips_map) 2671 soc->arch_ops.dp_partner_chips_map(soc, peer, peer_id); 2672 2673 dp_peer_update_state(soc, peer, DP_PEER_STATE_ACTIVE); 2674 return peer; 2675 } 2676 2677 return NULL; 2678 } 2679 2680 #ifdef WLAN_FEATURE_11BE_MLO 2681 #ifdef DP_USE_REDUCED_PEER_ID_FIELD_WIDTH 2682 uint16_t dp_gen_ml_peer_id(struct dp_soc *soc, uint16_t peer_id) 2683 { 2684 return ((peer_id & soc->peer_id_mask) | (1 << soc->peer_id_shift)); 2685 } 2686 #else 2687 uint16_t dp_gen_ml_peer_id(struct dp_soc *soc, uint16_t peer_id) 2688 { 2689 return (peer_id | (1 << HTT_RX_PEER_META_DATA_V1_ML_PEER_VALID_S)); 2690 } 2691 #endif 2692 2693 QDF_STATUS 2694 dp_rx_mlo_peer_map_handler(struct dp_soc *soc, uint16_t peer_id, 2695 uint8_t *peer_mac_addr, 2696 struct dp_mlo_flow_override_info *mlo_flow_info, 2697 struct dp_mlo_link_info *mlo_link_info) 2698 { 2699 struct dp_peer *peer = NULL; 2700 uint16_t hw_peer_id = mlo_flow_info[0].ast_idx; 2701 uint16_t ast_hash = mlo_flow_info[0].cache_set_num; 2702 uint8_t vdev_id = 0; 2703 uint8_t is_wds = 0; 2704 int i; 2705 uint16_t ml_peer_id = dp_gen_ml_peer_id(soc, peer_id); 2706 enum cdp_txrx_ast_entry_type type = CDP_TXRX_AST_TYPE_STATIC; 2707 QDF_STATUS err = QDF_STATUS_SUCCESS; 2708 struct dp_soc *primary_soc = NULL; 2709 2710 dp_cfg_event_record_peer_map_unmap_evt(soc, DP_CFG_EVENT_MLO_PEER_MAP, 2711 NULL, peer_mac_addr, 2712 1, peer_id, ml_peer_id, 0, 2713 vdev_id); 2714 2715 dp_info("mlo_peer_map_event (soc:%pK): peer_id %d ml_peer_id %d, peer_mac "QDF_MAC_ADDR_FMT, 2716 soc, peer_id, ml_peer_id, 2717 QDF_MAC_ADDR_REF(peer_mac_addr)); 2718 2719 /* Get corresponding vdev ID for the peer based 2720 * on chip ID obtained from mlo peer_map event 2721 */ 2722 for (i = 0; i < DP_MAX_MLO_LINKS; i++) { 2723 if (mlo_link_info[i].peer_chip_id == dp_get_chip_id(soc)) { 2724 vdev_id = mlo_link_info[i].vdev_id; 2725 break; 2726 } 2727 } 2728 2729 peer = dp_peer_find_add_id(soc, peer_mac_addr, ml_peer_id, 2730 hw_peer_id, vdev_id, CDP_MLD_PEER_TYPE); 2731 if (peer) { 2732 if (wlan_op_mode_sta == peer->vdev->opmode && 2733 qdf_mem_cmp(peer->mac_addr.raw, 2734 peer->vdev->mld_mac_addr.raw, 2735 QDF_MAC_ADDR_SIZE) != 0) { 2736 dp_peer_info("%pK: STA vdev bss_peer!!!!", soc); 2737 peer->bss_peer = 1; 2738 if (peer->txrx_peer) 2739 peer->txrx_peer->bss_peer = 1; 2740 } 2741 2742 if (peer->vdev->opmode == wlan_op_mode_sta) { 2743 peer->vdev->bss_ast_hash = ast_hash; 2744 peer->vdev->bss_ast_idx = hw_peer_id; 2745 } 2746 2747 /* Add ast entry incase self ast entry is 2748 * deleted due to DP CP sync issue 2749 * 2750 * self_ast_entry is modified in peer create 2751 * and peer unmap path which cannot run in 2752 * parllel with peer map, no lock need before 2753 * referring it 2754 */ 2755 if (!peer->self_ast_entry) { 2756 dp_info("Add self ast from map "QDF_MAC_ADDR_FMT, 2757 QDF_MAC_ADDR_REF(peer_mac_addr)); 2758 dp_peer_add_ast(soc, peer, 2759 peer_mac_addr, 2760 type, 0); 2761 } 2762 /* If peer setup and hence rx_tid setup got called 2763 * before htt peer map then Qref write to LUT did not 2764 * happen in rx_tid setup as peer_id was invalid. 2765 * So defer Qref write to peer map handler. Check if 2766 * rx_tid qdesc for tid 0 is already setup and perform 2767 * qref write to LUT for Tid 0 and 16. 2768 * 2769 * Peer map could be obtained on assoc link, hence 2770 * change to primary link's soc. 2771 */ 2772 primary_soc = peer->vdev->pdev->soc; 2773 if (hal_reo_shared_qaddr_is_enable(primary_soc->hal_soc) && 2774 peer->rx_tid[0].hw_qdesc_vaddr_unaligned) { 2775 hal_reo_shared_qaddr_write(primary_soc->hal_soc, 2776 ml_peer_id, 2777 0, 2778 peer->rx_tid[0].hw_qdesc_paddr); 2779 hal_reo_shared_qaddr_write(primary_soc->hal_soc, 2780 ml_peer_id, 2781 DP_NON_QOS_TID, 2782 peer->rx_tid[DP_NON_QOS_TID].hw_qdesc_paddr); 2783 } 2784 } 2785 2786 if (!primary_soc) 2787 primary_soc = soc; 2788 2789 err = dp_peer_map_ast(soc, peer, peer_mac_addr, hw_peer_id, 2790 vdev_id, ast_hash, is_wds); 2791 2792 /* 2793 * If AST offload and host AST DB is enabled, populate AST entries on 2794 * host based on mlo peer map event from FW 2795 */ 2796 if (peer && soc->ast_offload_support && soc->host_ast_db_enable) { 2797 dp_peer_host_add_map_ast(primary_soc, ml_peer_id, peer_mac_addr, 2798 hw_peer_id, vdev_id, 2799 ast_hash, is_wds); 2800 } 2801 2802 return err; 2803 } 2804 #endif 2805 2806 #ifdef DP_RX_UDP_OVER_PEER_ROAM 2807 void dp_rx_reset_roaming_peer(struct dp_soc *soc, uint8_t vdev_id, 2808 uint8_t *peer_mac_addr) 2809 { 2810 struct dp_vdev *vdev = NULL; 2811 2812 vdev = dp_vdev_get_ref_by_id(soc, vdev_id, DP_MOD_ID_HTT); 2813 if (vdev) { 2814 if (qdf_mem_cmp(vdev->roaming_peer_mac.raw, peer_mac_addr, 2815 QDF_MAC_ADDR_SIZE) == 0) { 2816 vdev->roaming_peer_status = 2817 WLAN_ROAM_PEER_AUTH_STATUS_NONE; 2818 qdf_mem_zero(vdev->roaming_peer_mac.raw, 2819 QDF_MAC_ADDR_SIZE); 2820 } 2821 dp_vdev_unref_delete(soc, vdev, DP_MOD_ID_HTT); 2822 } 2823 } 2824 #endif 2825 2826 #ifdef WLAN_SUPPORT_PPEDS 2827 static void 2828 dp_tx_ppeds_cfg_astidx_cache_mapping(struct dp_soc *soc, struct dp_vdev *vdev, 2829 bool peer_map) 2830 { 2831 if (soc->arch_ops.dp_tx_ppeds_cfg_astidx_cache_mapping) 2832 soc->arch_ops.dp_tx_ppeds_cfg_astidx_cache_mapping(soc, vdev, 2833 peer_map); 2834 } 2835 #else 2836 static void 2837 dp_tx_ppeds_cfg_astidx_cache_mapping(struct dp_soc *soc, struct dp_vdev *vdev, 2838 bool peer_map) 2839 { 2840 } 2841 #endif 2842 2843 QDF_STATUS 2844 dp_rx_peer_map_handler(struct dp_soc *soc, uint16_t peer_id, 2845 uint16_t hw_peer_id, uint8_t vdev_id, 2846 uint8_t *peer_mac_addr, uint16_t ast_hash, 2847 uint8_t is_wds) 2848 { 2849 struct dp_peer *peer = NULL; 2850 struct dp_vdev *vdev = NULL; 2851 enum cdp_txrx_ast_entry_type type = CDP_TXRX_AST_TYPE_STATIC; 2852 QDF_STATUS err = QDF_STATUS_SUCCESS; 2853 2854 dp_cfg_event_record_peer_map_unmap_evt(soc, DP_CFG_EVENT_PEER_MAP, 2855 NULL, peer_mac_addr, 1, peer_id, 2856 0, 0, vdev_id); 2857 dp_info("peer_map_event (soc:%pK): peer_id %d, hw_peer_id %d, peer_mac "QDF_MAC_ADDR_FMT", vdev_id %d", 2858 soc, peer_id, hw_peer_id, 2859 QDF_MAC_ADDR_REF(peer_mac_addr), vdev_id); 2860 2861 /* Peer map event for WDS ast entry get the peer from 2862 * obj map 2863 */ 2864 if (is_wds) { 2865 if (!soc->ast_offload_support) { 2866 peer = dp_peer_get_ref_by_id(soc, peer_id, 2867 DP_MOD_ID_HTT); 2868 2869 err = dp_peer_map_ast(soc, peer, peer_mac_addr, 2870 hw_peer_id, 2871 vdev_id, ast_hash, is_wds); 2872 if (peer) 2873 dp_peer_unref_delete(peer, DP_MOD_ID_HTT); 2874 } 2875 } else { 2876 /* 2877 * It's the responsibility of the CP and FW to ensure 2878 * that peer is created successfully. Ideally DP should 2879 * not hit the below condition for directly associated 2880 * peers. 2881 */ 2882 if ((!soc->ast_offload_support) && ((hw_peer_id < 0) || 2883 (hw_peer_id >= 2884 wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx)))) { 2885 dp_peer_err("%pK: invalid hw_peer_id: %d", soc, hw_peer_id); 2886 qdf_assert_always(0); 2887 } 2888 2889 peer = dp_peer_find_add_id(soc, peer_mac_addr, peer_id, 2890 hw_peer_id, vdev_id, 2891 CDP_LINK_PEER_TYPE); 2892 2893 if (peer) { 2894 bool peer_map = true; 2895 2896 /* Updating ast_hash and ast_idx in peer level */ 2897 peer->ast_hash = ast_hash; 2898 peer->ast_idx = hw_peer_id; 2899 vdev = peer->vdev; 2900 /* Only check for STA Vdev and peer is not for TDLS */ 2901 if (wlan_op_mode_sta == vdev->opmode && 2902 !peer->is_tdls_peer) { 2903 if (qdf_mem_cmp(peer->mac_addr.raw, 2904 vdev->mac_addr.raw, 2905 QDF_MAC_ADDR_SIZE) != 0) { 2906 dp_info("%pK: STA vdev bss_peer", soc); 2907 peer->bss_peer = 1; 2908 if (peer->txrx_peer) 2909 peer->txrx_peer->bss_peer = 1; 2910 } 2911 2912 dp_info("bss ast_hash 0x%x, ast_index 0x%x", 2913 ast_hash, hw_peer_id); 2914 vdev->bss_ast_hash = ast_hash; 2915 vdev->bss_ast_idx = hw_peer_id; 2916 2917 dp_tx_ppeds_cfg_astidx_cache_mapping(soc, vdev, 2918 peer_map); 2919 } 2920 2921 /* Add ast entry incase self ast entry is 2922 * deleted due to DP CP sync issue 2923 * 2924 * self_ast_entry is modified in peer create 2925 * and peer unmap path which cannot run in 2926 * parllel with peer map, no lock need before 2927 * referring it 2928 */ 2929 if (!soc->ast_offload_support && 2930 !peer->self_ast_entry) { 2931 dp_info("Add self ast from map "QDF_MAC_ADDR_FMT, 2932 QDF_MAC_ADDR_REF(peer_mac_addr)); 2933 dp_peer_add_ast(soc, peer, 2934 peer_mac_addr, 2935 type, 0); 2936 } 2937 2938 /* If peer setup and hence rx_tid setup got called 2939 * before htt peer map then Qref write to LUT did 2940 * not happen in rx_tid setup as peer_id was invalid. 2941 * So defer Qref write to peer map handler. Check if 2942 * rx_tid qdesc for tid 0 is already setup perform qref 2943 * write to LUT for Tid 0 and 16. 2944 */ 2945 if (hal_reo_shared_qaddr_is_enable(soc->hal_soc) && 2946 peer->rx_tid[0].hw_qdesc_vaddr_unaligned && 2947 !IS_MLO_DP_LINK_PEER(peer)) { 2948 add_entry_write_list(soc, peer, 0); 2949 hal_reo_shared_qaddr_write(soc->hal_soc, 2950 peer_id, 2951 0, 2952 peer->rx_tid[0].hw_qdesc_paddr); 2953 add_entry_write_list(soc, peer, DP_NON_QOS_TID); 2954 hal_reo_shared_qaddr_write(soc->hal_soc, 2955 peer_id, 2956 DP_NON_QOS_TID, 2957 peer->rx_tid[DP_NON_QOS_TID].hw_qdesc_paddr); 2958 } 2959 } 2960 2961 err = dp_peer_map_ast(soc, peer, peer_mac_addr, hw_peer_id, 2962 vdev_id, ast_hash, is_wds); 2963 } 2964 2965 dp_rx_reset_roaming_peer(soc, vdev_id, peer_mac_addr); 2966 2967 /* 2968 * If AST offload and host AST DB is enabled, populate AST entries on 2969 * host based on peer map event from FW 2970 */ 2971 if (soc->ast_offload_support && soc->host_ast_db_enable) { 2972 dp_peer_host_add_map_ast(soc, peer_id, peer_mac_addr, 2973 hw_peer_id, vdev_id, 2974 ast_hash, is_wds); 2975 } 2976 2977 return err; 2978 } 2979 2980 void 2981 dp_rx_peer_unmap_handler(struct dp_soc *soc, uint16_t peer_id, 2982 uint8_t vdev_id, uint8_t *mac_addr, 2983 uint8_t is_wds, uint32_t free_wds_count) 2984 { 2985 struct dp_peer *peer; 2986 struct dp_vdev *vdev = NULL; 2987 2988 /* 2989 * If FW AST offload is enabled and host AST DB is enabled, 2990 * the AST entries are created during peer map from FW. 2991 */ 2992 if (soc->ast_offload_support && is_wds) { 2993 if (!soc->host_ast_db_enable) 2994 return; 2995 } 2996 2997 peer = __dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_HTT); 2998 2999 /* 3000 * Currently peer IDs are assigned for vdevs as well as peers. 3001 * If the peer ID is for a vdev, then the peer pointer stored 3002 * in peer_id_to_obj_map will be NULL. 3003 */ 3004 if (!peer) { 3005 dp_err("Received unmap event for invalid peer_id %u", 3006 peer_id); 3007 return; 3008 } 3009 3010 vdev = peer->vdev; 3011 3012 if (peer->txrx_peer) { 3013 struct cdp_txrx_peer_params_update params = {0}; 3014 3015 params.vdev_id = vdev->vdev_id; 3016 params.peer_mac = peer->mac_addr.raw; 3017 params.chip_id = dp_get_chip_id(soc); 3018 params.pdev_id = vdev->pdev->pdev_id; 3019 3020 dp_wdi_event_handler(WDI_EVENT_PEER_UNMAP, soc, 3021 (void *)¶ms, peer_id, 3022 WDI_NO_VAL, vdev->pdev->pdev_id); 3023 } 3024 3025 /* 3026 * In scenario where assoc peer soc id is different from 3027 * primary soc id, reset the soc to point to primary psoc. 3028 * Since map is received on primary soc, the unmap should 3029 * also delete ast on primary soc. 3030 */ 3031 soc = peer->vdev->pdev->soc; 3032 3033 /* If V2 Peer map messages are enabled AST entry has to be 3034 * freed here 3035 */ 3036 if (is_wds) { 3037 if (!dp_peer_ast_free_entry_by_mac(soc, peer, vdev_id, 3038 mac_addr)) { 3039 dp_peer_unmap_ipa_evt(soc, peer_id, vdev_id, mac_addr); 3040 dp_peer_unref_delete(peer, DP_MOD_ID_HTT); 3041 return; 3042 } 3043 3044 dp_alert("AST entry not found with peer %pK peer_id %u peer_mac "QDF_MAC_ADDR_FMT" mac_addr "QDF_MAC_ADDR_FMT" vdev_id %u next_hop %u", 3045 peer, peer->peer_id, 3046 QDF_MAC_ADDR_REF(peer->mac_addr.raw), 3047 QDF_MAC_ADDR_REF(mac_addr), vdev_id, 3048 is_wds); 3049 3050 dp_peer_unref_delete(peer, DP_MOD_ID_HTT); 3051 return; 3052 } 3053 3054 dp_peer_clean_wds_entries(soc, peer, free_wds_count); 3055 3056 dp_cfg_event_record_peer_map_unmap_evt(soc, DP_CFG_EVENT_PEER_UNMAP, 3057 peer, mac_addr, 0, peer_id, 3058 0, 0, vdev_id); 3059 dp_info("peer_unmap_event (soc:%pK) peer_id %d peer %pK", 3060 soc, peer_id, peer); 3061 3062 /* Clear entries in Qref LUT */ 3063 /* TODO: Check if this is to be called from 3064 * dp_peer_delete for MLO case if there is race between 3065 * new peer id assignment and still not having received 3066 * peer unmap for MLD peer with same peer id. 3067 */ 3068 dp_peer_rx_reo_shared_qaddr_delete(soc, peer); 3069 3070 vdev = peer->vdev; 3071 3072 /* only if peer is in STA mode and not tdls peer */ 3073 if (wlan_op_mode_sta == vdev->opmode && !peer->is_tdls_peer) { 3074 bool peer_map = false; 3075 3076 dp_tx_ppeds_cfg_astidx_cache_mapping(soc, vdev, peer_map); 3077 } 3078 3079 dp_peer_find_id_to_obj_remove(soc, peer_id); 3080 3081 if (soc->arch_ops.dp_partner_chips_unmap) 3082 soc->arch_ops.dp_partner_chips_unmap(soc, peer_id); 3083 3084 peer->peer_id = HTT_INVALID_PEER; 3085 3086 /* 3087 * Reset ast flow mapping table 3088 */ 3089 if (!soc->ast_offload_support) 3090 dp_peer_reset_flowq_map(peer); 3091 3092 if (soc->cdp_soc.ol_ops->peer_unmap_event) { 3093 soc->cdp_soc.ol_ops->peer_unmap_event(soc->ctrl_psoc, 3094 peer_id, vdev_id, mac_addr); 3095 } 3096 3097 dp_update_vdev_stats_on_peer_unmap(vdev, peer); 3098 3099 dp_peer_update_state(soc, peer, DP_PEER_STATE_INACTIVE); 3100 dp_peer_unref_delete(peer, DP_MOD_ID_HTT); 3101 /* 3102 * Remove a reference to the peer. 3103 * If there are no more references, delete the peer object. 3104 */ 3105 dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); 3106 } 3107 3108 #if defined(WLAN_FEATURE_11BE_MLO) && defined(DP_MLO_LINK_STATS_SUPPORT) 3109 enum dp_bands dp_freq_to_band(qdf_freq_t freq) 3110 { 3111 if (REG_IS_24GHZ_CH_FREQ(freq)) 3112 return DP_BAND_2GHZ; 3113 else if (REG_IS_5GHZ_FREQ(freq) || REG_IS_49GHZ_FREQ(freq)) 3114 return DP_BAND_5GHZ; 3115 else if (REG_IS_6GHZ_FREQ(freq)) 3116 return DP_BAND_6GHZ; 3117 return DP_BAND_INVALID; 3118 } 3119 3120 void dp_map_link_id_band(struct dp_peer *peer) 3121 { 3122 struct dp_txrx_peer *txrx_peer = NULL; 3123 enum dp_bands band; 3124 3125 txrx_peer = dp_get_txrx_peer(peer); 3126 if (txrx_peer) { 3127 band = dp_freq_to_band(peer->freq); 3128 txrx_peer->band[peer->link_id + 1] = band; 3129 dp_info("Band(Freq: %u): %u mapped to Link ID: %u", 3130 peer->freq, band, peer->link_id); 3131 } else { 3132 dp_info("txrx_peer NULL for peer: " QDF_MAC_ADDR_FMT, 3133 QDF_MAC_ADDR_REF(peer->mac_addr.raw)); 3134 } 3135 } 3136 3137 QDF_STATUS 3138 dp_rx_peer_ext_evt(struct dp_soc *soc, struct dp_peer_ext_evt_info *info) 3139 { 3140 struct dp_peer *peer = NULL; 3141 struct cdp_peer_info peer_info = { 0 }; 3142 3143 QDF_ASSERT(info->peer_id <= soc->max_peer_id); 3144 3145 DP_PEER_INFO_PARAMS_INIT(&peer_info, info->vdev_id, info->peer_mac_addr, 3146 false, CDP_LINK_PEER_TYPE); 3147 peer = dp_peer_hash_find_wrapper(soc, &peer_info, DP_MOD_ID_CONFIG); 3148 3149 if (!peer) { 3150 dp_err("peer NULL, id %u, MAC " QDF_MAC_ADDR_FMT ", vdev_id %u", 3151 info->peer_id, QDF_MAC_ADDR_REF(info->peer_mac_addr), 3152 info->vdev_id); 3153 3154 return QDF_STATUS_E_FAILURE; 3155 } 3156 3157 peer->link_id = info->link_id; 3158 peer->link_id_valid = info->link_id_valid; 3159 3160 if (peer->freq) 3161 dp_map_link_id_band(peer); 3162 3163 dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); 3164 3165 return QDF_STATUS_SUCCESS; 3166 } 3167 #endif 3168 #ifdef WLAN_FEATURE_11BE_MLO 3169 void dp_rx_mlo_peer_unmap_handler(struct dp_soc *soc, uint16_t peer_id) 3170 { 3171 uint16_t ml_peer_id = dp_gen_ml_peer_id(soc, peer_id); 3172 uint8_t mac_addr[QDF_MAC_ADDR_SIZE] = {0}; 3173 uint8_t vdev_id = DP_VDEV_ALL; 3174 uint8_t is_wds = 0; 3175 3176 dp_cfg_event_record_peer_map_unmap_evt(soc, DP_CFG_EVENT_MLO_PEER_UNMAP, 3177 NULL, mac_addr, 0, peer_id, 3178 0, 0, vdev_id); 3179 dp_info("MLO peer_unmap_event (soc:%pK) peer_id %d", 3180 soc, peer_id); 3181 3182 dp_rx_peer_unmap_handler(soc, ml_peer_id, vdev_id, 3183 mac_addr, is_wds, 3184 DP_PEER_WDS_COUNT_INVALID); 3185 } 3186 #endif 3187 3188 #ifndef AST_OFFLOAD_ENABLE 3189 void 3190 dp_peer_find_detach(struct dp_soc *soc) 3191 { 3192 dp_soc_wds_detach(soc); 3193 dp_peer_find_map_detach(soc); 3194 dp_peer_find_hash_detach(soc); 3195 dp_peer_ast_hash_detach(soc); 3196 dp_peer_ast_table_detach(soc); 3197 dp_peer_mec_hash_detach(soc); 3198 } 3199 #else 3200 void 3201 dp_peer_find_detach(struct dp_soc *soc) 3202 { 3203 dp_peer_find_map_detach(soc); 3204 dp_peer_find_hash_detach(soc); 3205 } 3206 #endif 3207 3208 void dp_peer_rx_init(struct dp_pdev *pdev, struct dp_peer *peer) 3209 { 3210 dp_peer_rx_tid_setup(peer); 3211 3212 peer->active_ba_session_cnt = 0; 3213 peer->hw_buffer_size = 0; 3214 peer->kill_256_sessions = 0; 3215 3216 /* 3217 * Set security defaults: no PN check, no security. The target may 3218 * send a HTT SEC_IND message to overwrite these defaults. 3219 */ 3220 if (peer->txrx_peer) 3221 peer->txrx_peer->security[dp_sec_ucast].sec_type = 3222 peer->txrx_peer->security[dp_sec_mcast].sec_type = 3223 cdp_sec_type_none; 3224 } 3225 3226 void dp_peer_cleanup(struct dp_vdev *vdev, struct dp_peer *peer) 3227 { 3228 enum wlan_op_mode vdev_opmode; 3229 uint8_t vdev_mac_addr[QDF_MAC_ADDR_SIZE]; 3230 struct dp_pdev *pdev = vdev->pdev; 3231 struct dp_soc *soc = pdev->soc; 3232 3233 /* save vdev related member in case vdev freed */ 3234 vdev_opmode = vdev->opmode; 3235 3236 if (!IS_MLO_DP_MLD_PEER(peer)) 3237 dp_monitor_peer_tx_cleanup(vdev, peer); 3238 3239 if (vdev_opmode != wlan_op_mode_monitor) 3240 /* cleanup the Rx reorder queues for this peer */ 3241 dp_peer_rx_cleanup(vdev, peer); 3242 3243 dp_peer_rx_tids_destroy(peer); 3244 3245 if (IS_MLO_DP_LINK_PEER(peer)) 3246 dp_link_peer_del_mld_peer(peer); 3247 if (IS_MLO_DP_MLD_PEER(peer)) 3248 dp_mld_peer_deinit_link_peers_info(peer); 3249 3250 qdf_mem_copy(vdev_mac_addr, vdev->mac_addr.raw, 3251 QDF_MAC_ADDR_SIZE); 3252 3253 if (soc->cdp_soc.ol_ops->peer_unref_delete) 3254 soc->cdp_soc.ol_ops->peer_unref_delete( 3255 soc->ctrl_psoc, 3256 vdev->pdev->pdev_id, 3257 peer->mac_addr.raw, vdev_mac_addr, 3258 vdev_opmode); 3259 } 3260 3261 QDF_STATUS 3262 dp_set_key_sec_type_wifi3(struct cdp_soc_t *soc, uint8_t vdev_id, 3263 uint8_t *peer_mac, enum cdp_sec_type sec_type, 3264 bool is_unicast) 3265 { 3266 struct dp_peer *peer = 3267 dp_peer_get_tgt_peer_hash_find((struct dp_soc *)soc, 3268 peer_mac, 0, vdev_id, 3269 DP_MOD_ID_CDP); 3270 int sec_index; 3271 3272 if (!peer) { 3273 dp_peer_debug("%pK: Peer is NULL!\n", soc); 3274 return QDF_STATUS_E_FAILURE; 3275 } 3276 3277 if (!peer->txrx_peer) { 3278 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 3279 dp_peer_debug("%pK: txrx peer is NULL!\n", soc); 3280 return QDF_STATUS_E_FAILURE; 3281 } 3282 3283 dp_peer_info("%pK: key sec spec for peer %pK " QDF_MAC_ADDR_FMT ": %s key of type %d", 3284 soc, peer, QDF_MAC_ADDR_REF(peer->mac_addr.raw), 3285 is_unicast ? "ucast" : "mcast", sec_type); 3286 3287 sec_index = is_unicast ? dp_sec_ucast : dp_sec_mcast; 3288 peer->txrx_peer->security[sec_index].sec_type = sec_type; 3289 3290 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 3291 3292 return QDF_STATUS_SUCCESS; 3293 } 3294 3295 void 3296 dp_rx_sec_ind_handler(struct dp_soc *soc, uint16_t peer_id, 3297 enum cdp_sec_type sec_type, int is_unicast, 3298 u_int32_t *michael_key, 3299 u_int32_t *rx_pn) 3300 { 3301 struct dp_peer *peer; 3302 struct dp_txrx_peer *txrx_peer; 3303 int sec_index; 3304 3305 peer = dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_HTT); 3306 if (!peer) { 3307 dp_peer_err("Couldn't find peer from ID %d - skipping security inits", 3308 peer_id); 3309 return; 3310 } 3311 txrx_peer = dp_get_txrx_peer(peer); 3312 if (!txrx_peer) { 3313 dp_peer_err("Couldn't find txrx peer from ID %d - skipping security inits", 3314 peer_id); 3315 return; 3316 } 3317 3318 dp_peer_info("%pK: sec spec for peer %pK " QDF_MAC_ADDR_FMT ": %s key of type %d", 3319 soc, peer, QDF_MAC_ADDR_REF(peer->mac_addr.raw), 3320 is_unicast ? "ucast" : "mcast", sec_type); 3321 sec_index = is_unicast ? dp_sec_ucast : dp_sec_mcast; 3322 3323 peer->txrx_peer->security[sec_index].sec_type = sec_type; 3324 #ifdef notyet /* TODO: See if this is required for defrag support */ 3325 /* michael key only valid for TKIP, but for simplicity, 3326 * copy it anyway 3327 */ 3328 qdf_mem_copy( 3329 &peer->txrx_peer->security[sec_index].michael_key[0], 3330 michael_key, 3331 sizeof(peer->txrx_peer->security[sec_index].michael_key)); 3332 #ifdef BIG_ENDIAN_HOST 3333 OL_IF_SWAPBO(peer->txrx_peer->security[sec_index].michael_key[0], 3334 sizeof(peer->txrx_peer->security[sec_index].michael_key)); 3335 #endif /* BIG_ENDIAN_HOST */ 3336 #endif 3337 3338 #ifdef notyet /* TODO: Check if this is required for wifi3.0 */ 3339 if (sec_type != cdp_sec_type_wapi) { 3340 qdf_mem_zero(peer->tids_last_pn_valid, _EXT_TIDS); 3341 } else { 3342 for (i = 0; i < DP_MAX_TIDS; i++) { 3343 /* 3344 * Setting PN valid bit for WAPI sec_type, 3345 * since WAPI PN has to be started with predefined value 3346 */ 3347 peer->tids_last_pn_valid[i] = 1; 3348 qdf_mem_copy( 3349 (u_int8_t *) &peer->tids_last_pn[i], 3350 (u_int8_t *) rx_pn, sizeof(union htt_rx_pn_t)); 3351 peer->tids_last_pn[i].pn128[1] = 3352 qdf_cpu_to_le64(peer->tids_last_pn[i].pn128[1]); 3353 peer->tids_last_pn[i].pn128[0] = 3354 qdf_cpu_to_le64(peer->tids_last_pn[i].pn128[0]); 3355 } 3356 } 3357 #endif 3358 /* TODO: Update HW TID queue with PN check parameters (pn type for 3359 * all security types and last pn for WAPI) once REO command API 3360 * is available 3361 */ 3362 3363 dp_peer_unref_delete(peer, DP_MOD_ID_HTT); 3364 } 3365 3366 #ifdef QCA_PEER_EXT_STATS 3367 QDF_STATUS dp_peer_delay_stats_ctx_alloc(struct dp_soc *soc, 3368 struct dp_txrx_peer *txrx_peer) 3369 { 3370 uint8_t tid, ctx_id; 3371 3372 if (!soc || !txrx_peer) { 3373 dp_warn("Null soc%pK or peer%pK", soc, txrx_peer); 3374 return QDF_STATUS_E_INVAL; 3375 } 3376 3377 if (!wlan_cfg_is_peer_ext_stats_enabled(soc->wlan_cfg_ctx)) 3378 return QDF_STATUS_SUCCESS; 3379 3380 /* 3381 * Allocate memory for peer extended stats. 3382 */ 3383 txrx_peer->delay_stats = 3384 qdf_mem_malloc(sizeof(struct dp_peer_delay_stats)); 3385 if (!txrx_peer->delay_stats) { 3386 dp_err("Peer extended stats obj alloc failed!!"); 3387 return QDF_STATUS_E_NOMEM; 3388 } 3389 3390 for (tid = 0; tid < CDP_MAX_DATA_TIDS; tid++) { 3391 for (ctx_id = 0; ctx_id < CDP_MAX_TXRX_CTX; ctx_id++) { 3392 struct cdp_delay_tx_stats *tx_delay = 3393 &txrx_peer->delay_stats->delay_tid_stats[tid][ctx_id].tx_delay; 3394 struct cdp_delay_rx_stats *rx_delay = 3395 &txrx_peer->delay_stats->delay_tid_stats[tid][ctx_id].rx_delay; 3396 3397 dp_hist_init(&tx_delay->tx_swq_delay, 3398 CDP_HIST_TYPE_SW_ENQEUE_DELAY); 3399 dp_hist_init(&tx_delay->hwtx_delay, 3400 CDP_HIST_TYPE_HW_COMP_DELAY); 3401 dp_hist_init(&rx_delay->to_stack_delay, 3402 CDP_HIST_TYPE_REAP_STACK); 3403 } 3404 } 3405 3406 return QDF_STATUS_SUCCESS; 3407 } 3408 3409 void dp_peer_delay_stats_ctx_dealloc(struct dp_soc *soc, 3410 struct dp_txrx_peer *txrx_peer) 3411 { 3412 if (!txrx_peer) { 3413 dp_warn("peer_ext dealloc failed due to NULL peer object"); 3414 return; 3415 } 3416 3417 if (!wlan_cfg_is_peer_ext_stats_enabled(soc->wlan_cfg_ctx)) 3418 return; 3419 3420 if (!txrx_peer->delay_stats) 3421 return; 3422 3423 qdf_mem_free(txrx_peer->delay_stats); 3424 txrx_peer->delay_stats = NULL; 3425 } 3426 3427 void dp_peer_delay_stats_ctx_clr(struct dp_txrx_peer *txrx_peer) 3428 { 3429 if (txrx_peer->delay_stats) 3430 qdf_mem_zero(txrx_peer->delay_stats, 3431 sizeof(struct dp_peer_delay_stats)); 3432 } 3433 #endif 3434 3435 #ifdef WLAN_PEER_JITTER 3436 QDF_STATUS dp_peer_jitter_stats_ctx_alloc(struct dp_pdev *pdev, 3437 struct dp_txrx_peer *txrx_peer) 3438 { 3439 if (!pdev || !txrx_peer) { 3440 dp_warn("Null pdev or peer"); 3441 return QDF_STATUS_E_INVAL; 3442 } 3443 3444 if (!wlan_cfg_is_peer_jitter_stats_enabled(pdev->soc->wlan_cfg_ctx)) 3445 return QDF_STATUS_SUCCESS; 3446 3447 if (wlan_cfg_get_dp_pdev_nss_enabled(pdev->wlan_cfg_ctx)) { 3448 /* 3449 * Allocate memory on per tid basis when nss is enabled 3450 */ 3451 txrx_peer->jitter_stats = 3452 qdf_mem_malloc(sizeof(struct cdp_peer_tid_stats) 3453 * DP_MAX_TIDS); 3454 } else { 3455 /* 3456 * Allocate memory on per tid per ring basis 3457 */ 3458 txrx_peer->jitter_stats = 3459 qdf_mem_malloc(sizeof(struct cdp_peer_tid_stats) 3460 * DP_MAX_TIDS * CDP_MAX_TXRX_CTX); 3461 } 3462 3463 if (!txrx_peer->jitter_stats) { 3464 dp_warn("Jitter stats obj alloc failed!!"); 3465 return QDF_STATUS_E_NOMEM; 3466 } 3467 3468 return QDF_STATUS_SUCCESS; 3469 } 3470 3471 void dp_peer_jitter_stats_ctx_dealloc(struct dp_pdev *pdev, 3472 struct dp_txrx_peer *txrx_peer) 3473 { 3474 if (!pdev || !txrx_peer) { 3475 dp_warn("Null pdev or peer"); 3476 return; 3477 } 3478 3479 if (!wlan_cfg_is_peer_jitter_stats_enabled(pdev->soc->wlan_cfg_ctx)) 3480 return; 3481 3482 if (txrx_peer->jitter_stats) { 3483 qdf_mem_free(txrx_peer->jitter_stats); 3484 txrx_peer->jitter_stats = NULL; 3485 } 3486 } 3487 3488 void dp_peer_jitter_stats_ctx_clr(struct dp_txrx_peer *txrx_peer) 3489 { 3490 struct cdp_peer_tid_stats *jitter_stats = NULL; 3491 3492 if (!txrx_peer) { 3493 dp_warn("Null peer"); 3494 return; 3495 } 3496 3497 if (!wlan_cfg_is_peer_jitter_stats_enabled(txrx_peer-> 3498 vdev-> 3499 pdev->soc->wlan_cfg_ctx)) 3500 return; 3501 3502 jitter_stats = txrx_peer->jitter_stats; 3503 if (!jitter_stats) 3504 return; 3505 3506 if (wlan_cfg_get_dp_pdev_nss_enabled(txrx_peer-> 3507 vdev->pdev->wlan_cfg_ctx)) 3508 qdf_mem_zero(jitter_stats, 3509 sizeof(struct cdp_peer_tid_stats) * 3510 DP_MAX_TIDS); 3511 3512 else 3513 qdf_mem_zero(jitter_stats, 3514 sizeof(struct cdp_peer_tid_stats) * 3515 DP_MAX_TIDS * CDP_MAX_TXRX_CTX); 3516 3517 } 3518 #endif 3519 3520 #ifdef DP_PEER_EXTENDED_API 3521 /** 3522 * dp_peer_set_bw() - Set bandwidth and mpdu retry count threshold for peer 3523 * @soc: DP soc handle 3524 * @txrx_peer: Core txrx_peer handle 3525 * @set_bw: enum of bandwidth to be set for this peer connection 3526 * 3527 * Return: None 3528 */ 3529 static void dp_peer_set_bw(struct dp_soc *soc, struct dp_txrx_peer *txrx_peer, 3530 enum cdp_peer_bw set_bw) 3531 { 3532 if (!txrx_peer) 3533 return; 3534 3535 txrx_peer->bw = set_bw; 3536 3537 switch (set_bw) { 3538 case CDP_160_MHZ: 3539 case CDP_320_MHZ: 3540 txrx_peer->mpdu_retry_threshold = 3541 soc->wlan_cfg_ctx->mpdu_retry_threshold_2; 3542 break; 3543 case CDP_20_MHZ: 3544 case CDP_40_MHZ: 3545 case CDP_80_MHZ: 3546 default: 3547 txrx_peer->mpdu_retry_threshold = 3548 soc->wlan_cfg_ctx->mpdu_retry_threshold_1; 3549 break; 3550 } 3551 3552 dp_info("Peer id: %u: BW: %u, mpdu retry threshold: %u", 3553 txrx_peer->peer_id, txrx_peer->bw, 3554 txrx_peer->mpdu_retry_threshold); 3555 } 3556 3557 #ifdef WLAN_FEATURE_11BE_MLO 3558 QDF_STATUS dp_register_peer(struct cdp_soc_t *soc_hdl, uint8_t pdev_id, 3559 struct ol_txrx_desc_type *sta_desc) 3560 { 3561 struct dp_peer *peer; 3562 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 3563 3564 peer = dp_peer_find_hash_find(soc, sta_desc->peer_addr.bytes, 3565 0, DP_VDEV_ALL, DP_MOD_ID_CDP); 3566 3567 if (!peer) 3568 return QDF_STATUS_E_FAULT; 3569 3570 qdf_spin_lock_bh(&peer->peer_info_lock); 3571 peer->state = OL_TXRX_PEER_STATE_CONN; 3572 qdf_spin_unlock_bh(&peer->peer_info_lock); 3573 3574 dp_peer_set_bw(soc, peer->txrx_peer, sta_desc->bw); 3575 3576 dp_rx_flush_rx_cached(peer, false); 3577 3578 if (IS_MLO_DP_LINK_PEER(peer) && peer->first_link) { 3579 dp_peer_info("register for mld peer" QDF_MAC_ADDR_FMT, 3580 QDF_MAC_ADDR_REF(peer->mld_peer->mac_addr.raw)); 3581 qdf_spin_lock_bh(&peer->mld_peer->peer_info_lock); 3582 peer->mld_peer->state = peer->state; 3583 qdf_spin_unlock_bh(&peer->mld_peer->peer_info_lock); 3584 dp_rx_flush_rx_cached(peer->mld_peer, false); 3585 } 3586 3587 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 3588 3589 return QDF_STATUS_SUCCESS; 3590 } 3591 3592 QDF_STATUS dp_peer_state_update(struct cdp_soc_t *soc_hdl, uint8_t *peer_mac, 3593 enum ol_txrx_peer_state state) 3594 { 3595 struct dp_peer *peer; 3596 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 3597 3598 peer = dp_peer_find_hash_find(soc, peer_mac, 0, DP_VDEV_ALL, 3599 DP_MOD_ID_CDP); 3600 if (!peer) { 3601 dp_peer_err("%pK: Failed to find peer[" QDF_MAC_ADDR_FMT "]", 3602 soc, QDF_MAC_ADDR_REF(peer_mac)); 3603 return QDF_STATUS_E_FAILURE; 3604 } 3605 peer->state = state; 3606 peer->authorize = (state == OL_TXRX_PEER_STATE_AUTH) ? 1 : 0; 3607 3608 if (peer->txrx_peer) 3609 peer->txrx_peer->authorize = peer->authorize; 3610 3611 dp_peer_info("peer %pK MAC " QDF_MAC_ADDR_FMT " state %d", 3612 peer, QDF_MAC_ADDR_REF(peer->mac_addr.raw), 3613 peer->state); 3614 3615 if (IS_MLO_DP_LINK_PEER(peer) && peer->first_link) { 3616 peer->mld_peer->state = peer->state; 3617 peer->mld_peer->txrx_peer->authorize = peer->authorize; 3618 dp_peer_info("mld peer %pK MAC " QDF_MAC_ADDR_FMT " state %d", 3619 peer->mld_peer, 3620 QDF_MAC_ADDR_REF(peer->mld_peer->mac_addr.raw), 3621 peer->mld_peer->state); 3622 } 3623 3624 /* ref_cnt is incremented inside dp_peer_find_hash_find(). 3625 * Decrement it here. 3626 */ 3627 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 3628 3629 return QDF_STATUS_SUCCESS; 3630 } 3631 #else 3632 QDF_STATUS dp_register_peer(struct cdp_soc_t *soc_hdl, uint8_t pdev_id, 3633 struct ol_txrx_desc_type *sta_desc) 3634 { 3635 struct dp_peer *peer; 3636 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 3637 3638 peer = dp_peer_find_hash_find(soc, sta_desc->peer_addr.bytes, 3639 0, DP_VDEV_ALL, DP_MOD_ID_CDP); 3640 3641 if (!peer) 3642 return QDF_STATUS_E_FAULT; 3643 3644 qdf_spin_lock_bh(&peer->peer_info_lock); 3645 peer->state = OL_TXRX_PEER_STATE_CONN; 3646 qdf_spin_unlock_bh(&peer->peer_info_lock); 3647 3648 dp_peer_set_bw(soc, peer->txrx_peer, sta_desc->bw); 3649 3650 dp_rx_flush_rx_cached(peer, false); 3651 3652 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 3653 3654 return QDF_STATUS_SUCCESS; 3655 } 3656 3657 QDF_STATUS dp_peer_state_update(struct cdp_soc_t *soc_hdl, uint8_t *peer_mac, 3658 enum ol_txrx_peer_state state) 3659 { 3660 struct dp_peer *peer; 3661 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 3662 3663 peer = dp_peer_find_hash_find(soc, peer_mac, 0, DP_VDEV_ALL, 3664 DP_MOD_ID_CDP); 3665 if (!peer) { 3666 dp_peer_err("%pK: Failed to find peer for: [" QDF_MAC_ADDR_FMT "]", 3667 soc, QDF_MAC_ADDR_REF(peer_mac)); 3668 return QDF_STATUS_E_FAILURE; 3669 } 3670 peer->state = state; 3671 peer->authorize = (state == OL_TXRX_PEER_STATE_AUTH) ? 1 : 0; 3672 3673 if (peer->txrx_peer) 3674 peer->txrx_peer->authorize = peer->authorize; 3675 3676 dp_info("peer %pK state %d", peer, peer->state); 3677 /* ref_cnt is incremented inside dp_peer_find_hash_find(). 3678 * Decrement it here. 3679 */ 3680 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 3681 3682 return QDF_STATUS_SUCCESS; 3683 } 3684 #endif 3685 3686 QDF_STATUS 3687 dp_clear_peer(struct cdp_soc_t *soc_hdl, uint8_t pdev_id, 3688 struct qdf_mac_addr peer_addr) 3689 { 3690 struct dp_peer *peer; 3691 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 3692 3693 peer = dp_peer_find_hash_find(soc, peer_addr.bytes, 3694 0, DP_VDEV_ALL, DP_MOD_ID_CDP); 3695 3696 if (!peer) 3697 return QDF_STATUS_E_FAULT; 3698 if (!peer->valid) { 3699 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 3700 return QDF_STATUS_E_FAULT; 3701 } 3702 3703 dp_clear_peer_internal(soc, peer); 3704 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 3705 return QDF_STATUS_SUCCESS; 3706 } 3707 3708 QDF_STATUS dp_get_vdevid(struct cdp_soc_t *soc_hdl, uint8_t *peer_mac, 3709 uint8_t *vdev_id) 3710 { 3711 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 3712 struct dp_peer *peer = 3713 dp_peer_find_hash_find(soc, peer_mac, 0, DP_VDEV_ALL, 3714 DP_MOD_ID_CDP); 3715 3716 if (!peer) 3717 return QDF_STATUS_E_FAILURE; 3718 3719 dp_info("peer %pK vdev %pK vdev id %d", 3720 peer, peer->vdev, peer->vdev->vdev_id); 3721 *vdev_id = peer->vdev->vdev_id; 3722 /* ref_cnt is incremented inside dp_peer_find_hash_find(). 3723 * Decrement it here. 3724 */ 3725 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 3726 3727 return QDF_STATUS_SUCCESS; 3728 } 3729 3730 struct cdp_vdev * 3731 dp_get_vdev_by_peer_addr(struct cdp_pdev *pdev_handle, 3732 struct qdf_mac_addr peer_addr) 3733 { 3734 struct dp_pdev *pdev = (struct dp_pdev *)pdev_handle; 3735 struct dp_peer *peer = NULL; 3736 struct cdp_vdev *vdev = NULL; 3737 3738 if (!pdev) { 3739 dp_peer_info("PDEV not found for peer_addr: " QDF_MAC_ADDR_FMT, 3740 QDF_MAC_ADDR_REF(peer_addr.bytes)); 3741 return NULL; 3742 } 3743 3744 peer = dp_peer_find_hash_find(pdev->soc, peer_addr.bytes, 0, 3745 DP_VDEV_ALL, DP_MOD_ID_CDP); 3746 if (!peer) { 3747 QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_INFO_HIGH, 3748 "PDEV not found for peer_addr: "QDF_MAC_ADDR_FMT, 3749 QDF_MAC_ADDR_REF(peer_addr.bytes)); 3750 return NULL; 3751 } 3752 3753 vdev = (struct cdp_vdev *)peer->vdev; 3754 3755 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 3756 return vdev; 3757 } 3758 3759 struct cdp_vdev *dp_get_vdev_for_peer(void *peer_handle) 3760 { 3761 struct dp_peer *peer = peer_handle; 3762 3763 DP_TRACE(DEBUG, "peer %pK vdev %pK", peer, peer->vdev); 3764 return (struct cdp_vdev *)peer->vdev; 3765 } 3766 3767 uint8_t *dp_peer_get_peer_mac_addr(void *peer_handle) 3768 { 3769 struct dp_peer *peer = peer_handle; 3770 uint8_t *mac; 3771 3772 mac = peer->mac_addr.raw; 3773 dp_info("peer %pK mac 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x", 3774 peer, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); 3775 return peer->mac_addr.raw; 3776 } 3777 3778 int dp_get_peer_state(struct cdp_soc_t *soc_hdl, uint8_t vdev_id, 3779 uint8_t *peer_mac) 3780 { 3781 enum ol_txrx_peer_state peer_state; 3782 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 3783 struct cdp_peer_info peer_info = { 0 }; 3784 struct dp_peer *peer; 3785 struct dp_peer *tgt_peer; 3786 3787 DP_PEER_INFO_PARAMS_INIT(&peer_info, vdev_id, peer_mac, 3788 false, CDP_WILD_PEER_TYPE); 3789 3790 peer = dp_peer_hash_find_wrapper(soc, &peer_info, DP_MOD_ID_CDP); 3791 3792 if (!peer) 3793 return OL_TXRX_PEER_STATE_INVALID; 3794 3795 tgt_peer = dp_get_tgt_peer_from_peer(peer); 3796 peer_state = tgt_peer->state; 3797 3798 dp_peer_debug("peer %pK tgt_peer: %pK peer MAC " 3799 QDF_MAC_ADDR_FMT " tgt peer MAC " 3800 QDF_MAC_ADDR_FMT " tgt peer state %d", 3801 peer, tgt_peer, QDF_MAC_ADDR_REF(peer->mac_addr.raw), 3802 QDF_MAC_ADDR_REF(tgt_peer->mac_addr.raw), 3803 tgt_peer->state); 3804 3805 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 3806 3807 return peer_state; 3808 } 3809 3810 void dp_local_peer_id_pool_init(struct dp_pdev *pdev) 3811 { 3812 int i; 3813 3814 /* point the freelist to the first ID */ 3815 pdev->local_peer_ids.freelist = 0; 3816 3817 /* link each ID to the next one */ 3818 for (i = 0; i < OL_TXRX_NUM_LOCAL_PEER_IDS; i++) { 3819 pdev->local_peer_ids.pool[i] = i + 1; 3820 pdev->local_peer_ids.map[i] = NULL; 3821 } 3822 3823 /* link the last ID to itself, to mark the end of the list */ 3824 i = OL_TXRX_NUM_LOCAL_PEER_IDS; 3825 pdev->local_peer_ids.pool[i] = i; 3826 3827 qdf_spinlock_create(&pdev->local_peer_ids.lock); 3828 dp_info("Peer pool init"); 3829 } 3830 3831 void dp_local_peer_id_alloc(struct dp_pdev *pdev, struct dp_peer *peer) 3832 { 3833 int i; 3834 3835 qdf_spin_lock_bh(&pdev->local_peer_ids.lock); 3836 i = pdev->local_peer_ids.freelist; 3837 if (pdev->local_peer_ids.pool[i] == i) { 3838 /* the list is empty, except for the list-end marker */ 3839 peer->local_id = OL_TXRX_INVALID_LOCAL_PEER_ID; 3840 } else { 3841 /* take the head ID and advance the freelist */ 3842 peer->local_id = i; 3843 pdev->local_peer_ids.freelist = pdev->local_peer_ids.pool[i]; 3844 pdev->local_peer_ids.map[i] = peer; 3845 } 3846 qdf_spin_unlock_bh(&pdev->local_peer_ids.lock); 3847 dp_info("peer %pK, local id %d", peer, peer->local_id); 3848 } 3849 3850 void dp_local_peer_id_free(struct dp_pdev *pdev, struct dp_peer *peer) 3851 { 3852 int i = peer->local_id; 3853 if ((i == OL_TXRX_INVALID_LOCAL_PEER_ID) || 3854 (i >= OL_TXRX_NUM_LOCAL_PEER_IDS)) { 3855 return; 3856 } 3857 3858 /* put this ID on the head of the freelist */ 3859 qdf_spin_lock_bh(&pdev->local_peer_ids.lock); 3860 pdev->local_peer_ids.pool[i] = pdev->local_peer_ids.freelist; 3861 pdev->local_peer_ids.freelist = i; 3862 pdev->local_peer_ids.map[i] = NULL; 3863 qdf_spin_unlock_bh(&pdev->local_peer_ids.lock); 3864 } 3865 3866 bool dp_find_peer_exist_on_vdev(struct cdp_soc_t *soc_hdl, 3867 uint8_t vdev_id, uint8_t *peer_addr) 3868 { 3869 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 3870 struct dp_peer *peer = NULL; 3871 3872 peer = dp_peer_find_hash_find(soc, peer_addr, 0, vdev_id, 3873 DP_MOD_ID_CDP); 3874 if (!peer) 3875 return false; 3876 3877 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 3878 3879 return true; 3880 } 3881 3882 bool dp_find_peer_exist_on_other_vdev(struct cdp_soc_t *soc_hdl, 3883 uint8_t vdev_id, uint8_t *peer_addr, 3884 uint16_t max_bssid) 3885 { 3886 int i; 3887 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 3888 struct dp_peer *peer = NULL; 3889 3890 for (i = 0; i < max_bssid; i++) { 3891 /* Need to check vdevs other than the vdev_id */ 3892 if (vdev_id == i) 3893 continue; 3894 peer = dp_peer_find_hash_find(soc, peer_addr, 0, i, 3895 DP_MOD_ID_CDP); 3896 if (peer) { 3897 dp_err("Duplicate peer "QDF_MAC_ADDR_FMT" already exist on vdev %d", 3898 QDF_MAC_ADDR_REF(peer_addr), i); 3899 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 3900 return true; 3901 } 3902 } 3903 3904 return false; 3905 } 3906 3907 void dp_set_peer_as_tdls_peer(struct cdp_soc_t *soc_hdl, uint8_t vdev_id, 3908 uint8_t *peer_mac, bool val) 3909 { 3910 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 3911 struct dp_peer *peer = NULL; 3912 3913 peer = dp_peer_find_hash_find(soc, peer_mac, 0, vdev_id, 3914 DP_MOD_ID_CDP); 3915 if (!peer) { 3916 dp_err("Failed to find peer for:" QDF_MAC_ADDR_FMT, 3917 QDF_MAC_ADDR_REF(peer_mac)); 3918 return; 3919 } 3920 3921 dp_info("Set tdls flag %d for peer:" QDF_MAC_ADDR_FMT, 3922 val, QDF_MAC_ADDR_REF(peer_mac)); 3923 peer->is_tdls_peer = val; 3924 3925 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 3926 } 3927 #endif 3928 3929 bool dp_find_peer_exist(struct cdp_soc_t *soc_hdl, uint8_t pdev_id, 3930 uint8_t *peer_addr) 3931 { 3932 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 3933 struct dp_peer *peer = NULL; 3934 3935 peer = dp_peer_find_hash_find(soc, peer_addr, 0, DP_VDEV_ALL, 3936 DP_MOD_ID_CDP); 3937 if (peer) { 3938 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 3939 return true; 3940 } 3941 3942 return false; 3943 } 3944 3945 QDF_STATUS 3946 dp_set_michael_key(struct cdp_soc_t *soc, 3947 uint8_t vdev_id, 3948 uint8_t *peer_mac, 3949 bool is_unicast, uint32_t *key) 3950 { 3951 uint8_t sec_index = is_unicast ? 1 : 0; 3952 struct dp_peer *peer = 3953 dp_peer_get_tgt_peer_hash_find((struct dp_soc *)soc, 3954 peer_mac, 0, vdev_id, 3955 DP_MOD_ID_CDP); 3956 3957 if (!peer) { 3958 dp_peer_err("%pK: peer not found ", soc); 3959 return QDF_STATUS_E_FAILURE; 3960 } 3961 3962 qdf_mem_copy(&peer->txrx_peer->security[sec_index].michael_key[0], 3963 key, IEEE80211_WEP_MICLEN); 3964 3965 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 3966 3967 return QDF_STATUS_SUCCESS; 3968 } 3969 3970 3971 struct dp_peer *dp_vdev_bss_peer_ref_n_get(struct dp_soc *soc, 3972 struct dp_vdev *vdev, 3973 enum dp_mod_id mod_id) 3974 { 3975 struct dp_peer *peer = NULL; 3976 3977 qdf_spin_lock_bh(&vdev->peer_list_lock); 3978 TAILQ_FOREACH(peer, &vdev->peer_list, peer_list_elem) { 3979 if (peer->bss_peer) 3980 break; 3981 } 3982 3983 if (!peer) { 3984 qdf_spin_unlock_bh(&vdev->peer_list_lock); 3985 return NULL; 3986 } 3987 3988 if (dp_peer_get_ref(soc, peer, mod_id) == QDF_STATUS_SUCCESS) { 3989 qdf_spin_unlock_bh(&vdev->peer_list_lock); 3990 return peer; 3991 } 3992 3993 qdf_spin_unlock_bh(&vdev->peer_list_lock); 3994 return peer; 3995 } 3996 3997 struct dp_peer *dp_sta_vdev_self_peer_ref_n_get(struct dp_soc *soc, 3998 struct dp_vdev *vdev, 3999 enum dp_mod_id mod_id) 4000 { 4001 struct dp_peer *peer; 4002 4003 if (vdev->opmode != wlan_op_mode_sta) 4004 return NULL; 4005 4006 qdf_spin_lock_bh(&vdev->peer_list_lock); 4007 TAILQ_FOREACH(peer, &vdev->peer_list, peer_list_elem) { 4008 if (peer->sta_self_peer) 4009 break; 4010 } 4011 4012 if (!peer) { 4013 qdf_spin_unlock_bh(&vdev->peer_list_lock); 4014 return NULL; 4015 } 4016 4017 if (dp_peer_get_ref(soc, peer, mod_id) == QDF_STATUS_SUCCESS) { 4018 qdf_spin_unlock_bh(&vdev->peer_list_lock); 4019 return peer; 4020 } 4021 4022 qdf_spin_unlock_bh(&vdev->peer_list_lock); 4023 return peer; 4024 } 4025 4026 void dp_peer_flush_frags(struct cdp_soc_t *soc_hdl, uint8_t vdev_id, 4027 uint8_t *peer_mac) 4028 { 4029 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 4030 struct dp_peer *peer = dp_peer_get_tgt_peer_hash_find(soc, peer_mac, 0, 4031 vdev_id, 4032 DP_MOD_ID_CDP); 4033 struct dp_txrx_peer *txrx_peer; 4034 uint8_t tid; 4035 struct dp_rx_tid_defrag *defrag_rx_tid; 4036 4037 if (!peer) 4038 return; 4039 4040 if (!peer->txrx_peer) 4041 goto fail; 4042 4043 dp_info("Flushing fragments for peer " QDF_MAC_ADDR_FMT, 4044 QDF_MAC_ADDR_REF(peer->mac_addr.raw)); 4045 4046 txrx_peer = peer->txrx_peer; 4047 4048 for (tid = 0; tid < DP_MAX_TIDS; tid++) { 4049 defrag_rx_tid = &txrx_peer->rx_tid[tid]; 4050 4051 qdf_spin_lock_bh(&defrag_rx_tid->defrag_tid_lock); 4052 dp_rx_defrag_waitlist_remove(txrx_peer, tid); 4053 dp_rx_reorder_flush_frag(txrx_peer, tid); 4054 qdf_spin_unlock_bh(&defrag_rx_tid->defrag_tid_lock); 4055 } 4056 fail: 4057 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 4058 } 4059 4060 bool dp_peer_find_by_id_valid(struct dp_soc *soc, uint16_t peer_id) 4061 { 4062 struct dp_peer *peer = dp_peer_get_ref_by_id(soc, peer_id, 4063 DP_MOD_ID_HTT); 4064 4065 if (peer) { 4066 /* 4067 * Decrement the peer ref which is taken as part of 4068 * dp_peer_get_ref_by_id if PEER_LOCK_REF_PROTECT is enabled 4069 */ 4070 dp_peer_unref_delete(peer, DP_MOD_ID_HTT); 4071 4072 return true; 4073 } 4074 4075 return false; 4076 } 4077 4078 qdf_export_symbol(dp_peer_find_by_id_valid); 4079 4080 #ifdef QCA_MULTIPASS_SUPPORT 4081 void dp_peer_multipass_list_remove(struct dp_peer *peer) 4082 { 4083 struct dp_vdev *vdev = peer->vdev; 4084 struct dp_txrx_peer *tpeer = NULL; 4085 bool found = 0; 4086 4087 qdf_spin_lock_bh(&vdev->mpass_peer_mutex); 4088 TAILQ_FOREACH(tpeer, &vdev->mpass_peer_list, mpass_peer_list_elem) { 4089 if (tpeer == peer->txrx_peer) { 4090 found = 1; 4091 TAILQ_REMOVE(&vdev->mpass_peer_list, peer->txrx_peer, 4092 mpass_peer_list_elem); 4093 break; 4094 } 4095 } 4096 4097 qdf_spin_unlock_bh(&vdev->mpass_peer_mutex); 4098 4099 if (found) 4100 dp_peer_unref_delete(peer, DP_MOD_ID_TX_MULTIPASS); 4101 } 4102 4103 /** 4104 * dp_peer_multipass_list_add() - add to new multipass list 4105 * @soc: soc handle 4106 * @peer_mac: mac address 4107 * @vdev_id: vdev id for peer 4108 * @vlan_id: vlan_id 4109 * 4110 * return: void 4111 */ 4112 static void dp_peer_multipass_list_add(struct dp_soc *soc, uint8_t *peer_mac, 4113 uint8_t vdev_id, uint16_t vlan_id) 4114 { 4115 struct dp_peer *peer = 4116 dp_peer_get_tgt_peer_hash_find(soc, peer_mac, 0, 4117 vdev_id, 4118 DP_MOD_ID_TX_MULTIPASS); 4119 4120 if (qdf_unlikely(!peer)) { 4121 qdf_err("NULL peer"); 4122 return; 4123 } 4124 4125 if (qdf_unlikely(!peer->txrx_peer)) 4126 goto fail; 4127 4128 /* If peer already exists in vdev multipass list, do not add it. 4129 * This may happen if key install comes twice or re-key 4130 * happens for a peer. 4131 */ 4132 if (peer->txrx_peer->vlan_id) { 4133 dp_debug("peer already added to vdev multipass list" 4134 "MAC: "QDF_MAC_ADDR_FMT" vlan: %d ", 4135 QDF_MAC_ADDR_REF(peer->mac_addr.raw), 4136 peer->txrx_peer->vlan_id); 4137 goto fail; 4138 } 4139 4140 /* 4141 * Ref_cnt is incremented inside dp_peer_find_hash_find(). 4142 * Decrement it when element is deleted from the list. 4143 */ 4144 peer->txrx_peer->vlan_id = vlan_id; 4145 qdf_spin_lock_bh(&peer->txrx_peer->vdev->mpass_peer_mutex); 4146 TAILQ_INSERT_HEAD(&peer->txrx_peer->vdev->mpass_peer_list, 4147 peer->txrx_peer, 4148 mpass_peer_list_elem); 4149 qdf_spin_unlock_bh(&peer->txrx_peer->vdev->mpass_peer_mutex); 4150 return; 4151 4152 fail: 4153 dp_peer_unref_delete(peer, DP_MOD_ID_TX_MULTIPASS); 4154 } 4155 4156 void dp_peer_set_vlan_id(struct cdp_soc_t *cdp_soc, 4157 uint8_t vdev_id, uint8_t *peer_mac, 4158 uint16_t vlan_id) 4159 { 4160 struct dp_soc *soc = (struct dp_soc *)cdp_soc; 4161 struct dp_vdev *vdev = 4162 dp_vdev_get_ref_by_id((struct dp_soc *)soc, vdev_id, 4163 DP_MOD_ID_TX_MULTIPASS); 4164 4165 dp_info("vdev_id %d, vdev %pK, multipass_en %d, peer_mac " QDF_MAC_ADDR_FMT " vlan %d", 4166 vdev_id, vdev, vdev ? vdev->multipass_en : 0, 4167 QDF_MAC_ADDR_REF(peer_mac), vlan_id); 4168 if (vdev && vdev->multipass_en) { 4169 dp_peer_multipass_list_add(soc, peer_mac, vdev_id, vlan_id); 4170 dp_vdev_unref_delete(soc, vdev, DP_MOD_ID_TX_MULTIPASS); 4171 } 4172 } 4173 #endif /* QCA_MULTIPASS_SUPPORT */ 4174