1 /* 2 * Copyright (c) 2016-2021 The Linux Foundation. All rights reserved. 3 * Copyright (c) 2021-2022 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 47 #ifdef REO_QDESC_HISTORY 48 #define REO_QDESC_HISTORY_SIZE 512 49 uint64_t reo_qdesc_history_idx; 50 struct reo_qdesc_event reo_qdesc_history[REO_QDESC_HISTORY_SIZE]; 51 #endif 52 53 #ifdef FEATURE_AST 54 #ifdef BYPASS_OL_OPS 55 /* 56 * dp_add_wds_entry_wrapper() - Add new AST entry for the wds station 57 * @soc: DP soc structure pointer 58 * @peer: dp peer structure 59 * @dest_mac: MAC address of ast node 60 * @flags: wds or hmwds 61 * @type: type from enum cdp_txrx_ast_entry_type 62 * 63 * This API is used by WDS source port learning function to 64 * add a new AST entry in the fw. 65 * 66 * Return: 0 on success, error code otherwise. 67 */ 68 static int dp_add_wds_entry_wrapper(struct dp_soc *soc, 69 struct dp_peer *peer, 70 const uint8_t *dest_macaddr, 71 uint32_t flags, 72 uint8_t type) 73 { 74 QDF_STATUS status; 75 76 status = target_if_add_wds_entry(soc->ctrl_psoc, 77 peer->vdev->vdev_id, 78 peer->mac_addr.raw, 79 dest_macaddr, 80 WMI_HOST_WDS_FLAG_STATIC, 81 type); 82 83 return qdf_status_to_os_return(status); 84 } 85 86 /* 87 * dp_update_wds_entry_wrapper() - update an existing wds entry with new peer 88 * @soc: DP soc structure pointer 89 * @peer: dp peer structure 90 * @dest_macaddr: MAC address of ast node 91 * @flags: wds or hmwds 92 * 93 * This API is used by update the peer mac address for the ast 94 * in the fw. 95 * 96 * Return: 0 on success, error code otherwise. 97 */ 98 static int dp_update_wds_entry_wrapper(struct dp_soc *soc, 99 struct dp_peer *peer, 100 uint8_t *dest_macaddr, 101 uint32_t flags) 102 { 103 QDF_STATUS status; 104 105 status = target_if_update_wds_entry(soc->ctrl_psoc, 106 peer->vdev->vdev_id, 107 dest_macaddr, 108 peer->mac_addr.raw, 109 WMI_HOST_WDS_FLAG_STATIC); 110 111 return qdf_status_to_os_return(status); 112 } 113 114 /* 115 * dp_del_wds_entry_wrapper() - delete a WSD AST entry 116 * @soc: DP soc structure pointer 117 * @vdev_id: vdev_id 118 * @wds_macaddr: MAC address of ast node 119 * @type: type from enum cdp_txrx_ast_entry_type 120 * @delete_in_fw: Flag to indicate if entry needs to be deleted in fw 121 * 122 * This API is used to delete an AST entry from fw 123 * 124 * Return: None 125 */ 126 static void dp_del_wds_entry_wrapper(struct dp_soc *soc, 127 uint8_t vdev_id, 128 uint8_t *wds_macaddr, 129 uint8_t type, 130 uint8_t delete_in_fw) 131 { 132 target_if_del_wds_entry(soc->ctrl_psoc, vdev_id, 133 wds_macaddr, type, delete_in_fw); 134 } 135 #else 136 static int dp_add_wds_entry_wrapper(struct dp_soc *soc, 137 struct dp_peer *peer, 138 const uint8_t *dest_macaddr, 139 uint32_t flags, 140 uint8_t type) 141 { 142 int status; 143 144 status = soc->cdp_soc.ol_ops->peer_add_wds_entry( 145 soc->ctrl_psoc, 146 peer->vdev->vdev_id, 147 peer->mac_addr.raw, 148 peer->peer_id, 149 dest_macaddr, 150 peer->mac_addr.raw, 151 flags, 152 type); 153 154 return status; 155 } 156 157 static int dp_update_wds_entry_wrapper(struct dp_soc *soc, 158 struct dp_peer *peer, 159 uint8_t *dest_macaddr, 160 uint32_t flags) 161 { 162 int status; 163 164 status = soc->cdp_soc.ol_ops->peer_update_wds_entry( 165 soc->ctrl_psoc, 166 peer->vdev->vdev_id, 167 dest_macaddr, 168 peer->mac_addr.raw, 169 flags); 170 171 return status; 172 } 173 174 static void dp_del_wds_entry_wrapper(struct dp_soc *soc, 175 uint8_t vdev_id, 176 uint8_t *wds_macaddr, 177 uint8_t type, 178 uint8_t delete_in_fw) 179 { 180 soc->cdp_soc.ol_ops->peer_del_wds_entry(soc->ctrl_psoc, 181 vdev_id, 182 wds_macaddr, 183 type, 184 delete_in_fw); 185 } 186 #endif 187 #endif 188 189 #ifdef FEATURE_WDS 190 static inline bool 191 dp_peer_ast_free_in_unmap_supported(struct dp_soc *soc, 192 struct dp_ast_entry *ast_entry) 193 { 194 /* if peer map v2 is enabled we are not freeing ast entry 195 * here and it is supposed to be freed in unmap event (after 196 * we receive delete confirmation from target) 197 * 198 * if peer_id is invalid we did not get the peer map event 199 * for the peer free ast entry from here only in this case 200 */ 201 202 if ((ast_entry->type != CDP_TXRX_AST_TYPE_WDS_HM_SEC) && 203 (ast_entry->type != CDP_TXRX_AST_TYPE_SELF)) 204 return true; 205 206 return false; 207 } 208 #else 209 static inline bool 210 dp_peer_ast_free_in_unmap_supported(struct dp_soc *soc, 211 struct dp_ast_entry *ast_entry) 212 { 213 return false; 214 } 215 216 void dp_soc_wds_attach(struct dp_soc *soc) 217 { 218 } 219 220 void dp_soc_wds_detach(struct dp_soc *soc) 221 { 222 } 223 #endif 224 225 #ifdef REO_QDESC_HISTORY 226 static inline void 227 dp_rx_reo_qdesc_history_add(struct reo_desc_list_node *free_desc, 228 enum reo_qdesc_event_type type) 229 { 230 struct reo_qdesc_event *evt; 231 struct dp_rx_tid *rx_tid = &free_desc->rx_tid; 232 uint32_t idx; 233 234 reo_qdesc_history_idx++; 235 idx = (reo_qdesc_history_idx & (REO_QDESC_HISTORY_SIZE - 1)); 236 237 evt = &reo_qdesc_history[idx]; 238 239 qdf_mem_copy(evt->peer_mac, free_desc->peer_mac, QDF_MAC_ADDR_SIZE); 240 evt->qdesc_addr = rx_tid->hw_qdesc_paddr; 241 evt->ts = qdf_get_log_timestamp(); 242 evt->type = type; 243 } 244 245 #ifdef WLAN_DP_FEATURE_DEFERRED_REO_QDESC_DESTROY 246 static inline void 247 dp_rx_reo_qdesc_deferred_evt_add(struct reo_desc_deferred_freelist_node *desc, 248 enum reo_qdesc_event_type type) 249 { 250 struct reo_qdesc_event *evt; 251 uint32_t idx; 252 253 reo_qdesc_history_idx++; 254 idx = (reo_qdesc_history_idx & (REO_QDESC_HISTORY_SIZE - 1)); 255 256 evt = &reo_qdesc_history[idx]; 257 258 qdf_mem_copy(evt->peer_mac, desc->peer_mac, QDF_MAC_ADDR_SIZE); 259 evt->qdesc_addr = desc->hw_qdesc_paddr; 260 evt->ts = qdf_get_log_timestamp(); 261 evt->type = type; 262 } 263 264 #define DP_RX_REO_QDESC_DEFERRED_FREE_EVT(desc) \ 265 dp_rx_reo_qdesc_deferred_evt_add((desc), REO_QDESC_FREE) 266 267 #define DP_RX_REO_QDESC_DEFERRED_GET_MAC(desc, freedesc) \ 268 qdf_mem_copy(desc->peer_mac, freedesc->peer_mac, QDF_MAC_ADDR_SIZE) 269 #endif /* WLAN_DP_FEATURE_DEFERRED_REO_QDESC_DESTROY */ 270 271 #define DP_RX_REO_QDESC_GET_MAC(freedesc, peer) \ 272 qdf_mem_copy(freedesc->peer_mac, peer->mac_addr.raw, QDF_MAC_ADDR_SIZE) 273 274 #define DP_RX_REO_QDESC_UPDATE_EVT(free_desc) \ 275 dp_rx_reo_qdesc_history_add((free_desc), REO_QDESC_UPDATE_CB) 276 277 #define DP_RX_REO_QDESC_FREE_EVT(free_desc) \ 278 dp_rx_reo_qdesc_history_add((free_desc), REO_QDESC_FREE) 279 280 #else 281 #define DP_RX_REO_QDESC_GET_MAC(freedesc, peer) 282 283 #define DP_RX_REO_QDESC_UPDATE_EVT(free_desc) 284 285 #define DP_RX_REO_QDESC_FREE_EVT(free_desc) 286 287 #define DP_RX_REO_QDESC_DEFERRED_FREE_EVT(desc) 288 289 #define DP_RX_REO_QDESC_DEFERRED_GET_MAC(desc, freedesc) 290 #endif 291 292 static inline void 293 dp_set_ssn_valid_flag(struct hal_reo_cmd_params *params, 294 uint8_t valid) 295 { 296 params->u.upd_queue_params.update_svld = 1; 297 params->u.upd_queue_params.svld = valid; 298 dp_peer_debug("Setting SSN valid bit to %d", 299 valid); 300 } 301 302 QDF_STATUS dp_peer_ast_table_attach(struct dp_soc *soc) 303 { 304 uint32_t max_ast_index; 305 306 max_ast_index = wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx); 307 /* allocate ast_table for ast entry to ast_index map */ 308 dp_peer_info("\n%pK:<=== cfg max ast idx %d ====>", soc, max_ast_index); 309 soc->ast_table = qdf_mem_malloc(max_ast_index * 310 sizeof(struct dp_ast_entry *)); 311 if (!soc->ast_table) { 312 dp_peer_err("%pK: ast_table memory allocation failed", soc); 313 return QDF_STATUS_E_NOMEM; 314 } 315 return QDF_STATUS_SUCCESS; /* success */ 316 } 317 318 /* 319 * dp_peer_find_map_attach() - allocate memory for peer_id_to_obj_map 320 * @soc: soc handle 321 * 322 * return: QDF_STATUS 323 */ 324 static QDF_STATUS dp_peer_find_map_attach(struct dp_soc *soc) 325 { 326 uint32_t max_peers, peer_map_size; 327 328 max_peers = soc->max_peer_id; 329 /* allocate the peer ID -> peer object map */ 330 dp_peer_info("\n%pK:<=== cfg max peer id %d ====>", soc, max_peers); 331 peer_map_size = max_peers * sizeof(soc->peer_id_to_obj_map[0]); 332 soc->peer_id_to_obj_map = qdf_mem_malloc(peer_map_size); 333 if (!soc->peer_id_to_obj_map) { 334 dp_peer_err("%pK: peer map memory allocation failed", soc); 335 return QDF_STATUS_E_NOMEM; 336 } 337 338 /* 339 * The peer_id_to_obj_map doesn't really need to be initialized, 340 * since elements are only used after they have been individually 341 * initialized. 342 * However, it is convenient for debugging to have all elements 343 * that are not in use set to 0. 344 */ 345 qdf_mem_zero(soc->peer_id_to_obj_map, peer_map_size); 346 347 qdf_spinlock_create(&soc->peer_map_lock); 348 return QDF_STATUS_SUCCESS; /* success */ 349 } 350 351 #define DP_AST_HASH_LOAD_MULT 2 352 #define DP_AST_HASH_LOAD_SHIFT 0 353 354 static inline uint32_t 355 dp_peer_find_hash_index(struct dp_soc *soc, 356 union dp_align_mac_addr *mac_addr) 357 { 358 uint32_t index; 359 360 index = 361 mac_addr->align2.bytes_ab ^ 362 mac_addr->align2.bytes_cd ^ 363 mac_addr->align2.bytes_ef; 364 365 index ^= index >> soc->peer_hash.idx_bits; 366 index &= soc->peer_hash.mask; 367 return index; 368 } 369 370 /* 371 * dp_peer_find_hash_find() - returns legacy or mlo link peer from 372 * peer_hash_table matching vdev_id and mac_address 373 * @soc: soc handle 374 * @peer_mac_addr: peer mac address 375 * @mac_addr_is_aligned: is mac addr alligned 376 * @vdev_id: vdev_id 377 * @mod_id: id of module requesting reference 378 * 379 * return: peer in sucsess 380 * NULL in failure 381 */ 382 struct dp_peer *dp_peer_find_hash_find( 383 struct dp_soc *soc, uint8_t *peer_mac_addr, 384 int mac_addr_is_aligned, uint8_t vdev_id, 385 enum dp_mod_id mod_id) 386 { 387 union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; 388 uint32_t index; 389 struct dp_peer *peer; 390 391 if (!soc->peer_hash.bins) 392 return NULL; 393 394 if (mac_addr_is_aligned) { 395 mac_addr = (union dp_align_mac_addr *)peer_mac_addr; 396 } else { 397 qdf_mem_copy( 398 &local_mac_addr_aligned.raw[0], 399 peer_mac_addr, QDF_MAC_ADDR_SIZE); 400 mac_addr = &local_mac_addr_aligned; 401 } 402 index = dp_peer_find_hash_index(soc, mac_addr); 403 qdf_spin_lock_bh(&soc->peer_hash_lock); 404 TAILQ_FOREACH(peer, &soc->peer_hash.bins[index], hash_list_elem) { 405 if (dp_peer_find_mac_addr_cmp(mac_addr, &peer->mac_addr) == 0 && 406 ((peer->vdev->vdev_id == vdev_id) || 407 (vdev_id == DP_VDEV_ALL))) { 408 /* take peer reference before returning */ 409 if (dp_peer_get_ref(soc, peer, mod_id) != 410 QDF_STATUS_SUCCESS) 411 peer = NULL; 412 413 qdf_spin_unlock_bh(&soc->peer_hash_lock); 414 return peer; 415 } 416 } 417 qdf_spin_unlock_bh(&soc->peer_hash_lock); 418 return NULL; /* failure */ 419 } 420 421 qdf_export_symbol(dp_peer_find_hash_find); 422 423 #ifdef WLAN_FEATURE_11BE_MLO 424 /* 425 * dp_peer_find_hash_detach() - cleanup memory for peer_hash table 426 * @soc: soc handle 427 * 428 * return: none 429 */ 430 static void dp_peer_find_hash_detach(struct dp_soc *soc) 431 { 432 if (soc->peer_hash.bins) { 433 qdf_mem_free(soc->peer_hash.bins); 434 soc->peer_hash.bins = NULL; 435 qdf_spinlock_destroy(&soc->peer_hash_lock); 436 } 437 438 if (soc->arch_ops.mlo_peer_find_hash_detach) 439 soc->arch_ops.mlo_peer_find_hash_detach(soc); 440 } 441 442 /* 443 * dp_peer_find_hash_attach() - allocate memory for peer_hash table 444 * @soc: soc handle 445 * 446 * return: QDF_STATUS 447 */ 448 static QDF_STATUS dp_peer_find_hash_attach(struct dp_soc *soc) 449 { 450 int i, hash_elems, log2; 451 452 /* allocate the peer MAC address -> peer object hash table */ 453 hash_elems = soc->max_peers; 454 hash_elems *= DP_PEER_HASH_LOAD_MULT; 455 hash_elems >>= DP_PEER_HASH_LOAD_SHIFT; 456 log2 = dp_log2_ceil(hash_elems); 457 hash_elems = 1 << log2; 458 459 soc->peer_hash.mask = hash_elems - 1; 460 soc->peer_hash.idx_bits = log2; 461 /* allocate an array of TAILQ peer object lists */ 462 soc->peer_hash.bins = qdf_mem_malloc( 463 hash_elems * sizeof(TAILQ_HEAD(anonymous_tail_q, dp_peer))); 464 if (!soc->peer_hash.bins) 465 return QDF_STATUS_E_NOMEM; 466 467 for (i = 0; i < hash_elems; i++) 468 TAILQ_INIT(&soc->peer_hash.bins[i]); 469 470 qdf_spinlock_create(&soc->peer_hash_lock); 471 472 if (soc->arch_ops.mlo_peer_find_hash_attach && 473 (soc->arch_ops.mlo_peer_find_hash_attach(soc) != 474 QDF_STATUS_SUCCESS)) { 475 dp_peer_find_hash_detach(soc); 476 return QDF_STATUS_E_NOMEM; 477 } 478 return QDF_STATUS_SUCCESS; 479 } 480 481 /* 482 * dp_peer_find_hash_add() - add peer to peer_hash_table 483 * @soc: soc handle 484 * @peer: peer handle 485 * @peer_type: link or mld peer 486 * 487 * return: none 488 */ 489 void dp_peer_find_hash_add(struct dp_soc *soc, struct dp_peer *peer) 490 { 491 unsigned index; 492 493 index = dp_peer_find_hash_index(soc, &peer->mac_addr); 494 if (peer->peer_type == CDP_LINK_PEER_TYPE) { 495 qdf_spin_lock_bh(&soc->peer_hash_lock); 496 497 if (QDF_IS_STATUS_ERROR(dp_peer_get_ref(soc, peer, 498 DP_MOD_ID_CONFIG))) { 499 dp_err("fail to get peer ref:" QDF_MAC_ADDR_FMT, 500 QDF_MAC_ADDR_REF(peer->mac_addr.raw)); 501 qdf_spin_unlock_bh(&soc->peer_hash_lock); 502 return; 503 } 504 505 /* 506 * It is important to add the new peer at the tail of 507 * peer list with the bin index. Together with having 508 * the hash_find function search from head to tail, 509 * this ensures that if two entries with the same MAC address 510 * are stored, the one added first will be found first. 511 */ 512 TAILQ_INSERT_TAIL(&soc->peer_hash.bins[index], peer, 513 hash_list_elem); 514 515 qdf_spin_unlock_bh(&soc->peer_hash_lock); 516 } else if (peer->peer_type == CDP_MLD_PEER_TYPE) { 517 if (soc->arch_ops.mlo_peer_find_hash_add) 518 soc->arch_ops.mlo_peer_find_hash_add(soc, peer); 519 } else { 520 dp_err("unknown peer type %d", peer->peer_type); 521 } 522 } 523 524 /* 525 * dp_peer_find_hash_remove() - remove peer from peer_hash_table 526 * @soc: soc handle 527 * @peer: peer handle 528 * 529 * return: none 530 */ 531 void dp_peer_find_hash_remove(struct dp_soc *soc, struct dp_peer *peer) 532 { 533 unsigned index; 534 struct dp_peer *tmppeer = NULL; 535 int found = 0; 536 537 index = dp_peer_find_hash_index(soc, &peer->mac_addr); 538 539 if (peer->peer_type == CDP_LINK_PEER_TYPE) { 540 /* Check if tail is not empty before delete*/ 541 QDF_ASSERT(!TAILQ_EMPTY(&soc->peer_hash.bins[index])); 542 543 qdf_spin_lock_bh(&soc->peer_hash_lock); 544 TAILQ_FOREACH(tmppeer, &soc->peer_hash.bins[index], 545 hash_list_elem) { 546 if (tmppeer == peer) { 547 found = 1; 548 break; 549 } 550 } 551 QDF_ASSERT(found); 552 TAILQ_REMOVE(&soc->peer_hash.bins[index], peer, 553 hash_list_elem); 554 555 dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); 556 qdf_spin_unlock_bh(&soc->peer_hash_lock); 557 } else if (peer->peer_type == CDP_MLD_PEER_TYPE) { 558 if (soc->arch_ops.mlo_peer_find_hash_remove) 559 soc->arch_ops.mlo_peer_find_hash_remove(soc, peer); 560 } else { 561 dp_err("unknown peer type %d", peer->peer_type); 562 } 563 } 564 #else 565 static QDF_STATUS dp_peer_find_hash_attach(struct dp_soc *soc) 566 { 567 int i, hash_elems, log2; 568 569 /* allocate the peer MAC address -> peer object hash table */ 570 hash_elems = soc->max_peers; 571 hash_elems *= DP_PEER_HASH_LOAD_MULT; 572 hash_elems >>= DP_PEER_HASH_LOAD_SHIFT; 573 log2 = dp_log2_ceil(hash_elems); 574 hash_elems = 1 << log2; 575 576 soc->peer_hash.mask = hash_elems - 1; 577 soc->peer_hash.idx_bits = log2; 578 /* allocate an array of TAILQ peer object lists */ 579 soc->peer_hash.bins = qdf_mem_malloc( 580 hash_elems * sizeof(TAILQ_HEAD(anonymous_tail_q, dp_peer))); 581 if (!soc->peer_hash.bins) 582 return QDF_STATUS_E_NOMEM; 583 584 for (i = 0; i < hash_elems; i++) 585 TAILQ_INIT(&soc->peer_hash.bins[i]); 586 587 qdf_spinlock_create(&soc->peer_hash_lock); 588 return QDF_STATUS_SUCCESS; 589 } 590 591 static void dp_peer_find_hash_detach(struct dp_soc *soc) 592 { 593 if (soc->peer_hash.bins) { 594 qdf_mem_free(soc->peer_hash.bins); 595 soc->peer_hash.bins = NULL; 596 qdf_spinlock_destroy(&soc->peer_hash_lock); 597 } 598 } 599 600 void dp_peer_find_hash_add(struct dp_soc *soc, struct dp_peer *peer) 601 { 602 unsigned index; 603 604 index = dp_peer_find_hash_index(soc, &peer->mac_addr); 605 qdf_spin_lock_bh(&soc->peer_hash_lock); 606 607 if (QDF_IS_STATUS_ERROR(dp_peer_get_ref(soc, peer, DP_MOD_ID_CONFIG))) { 608 dp_err("unable to get peer ref at MAP mac: "QDF_MAC_ADDR_FMT, 609 QDF_MAC_ADDR_REF(peer->mac_addr.raw)); 610 qdf_spin_unlock_bh(&soc->peer_hash_lock); 611 return; 612 } 613 614 /* 615 * It is important to add the new peer at the tail of the peer list 616 * with the bin index. Together with having the hash_find function 617 * search from head to tail, this ensures that if two entries with 618 * the same MAC address are stored, the one added first will be 619 * found first. 620 */ 621 TAILQ_INSERT_TAIL(&soc->peer_hash.bins[index], peer, hash_list_elem); 622 623 qdf_spin_unlock_bh(&soc->peer_hash_lock); 624 } 625 626 void dp_peer_find_hash_remove(struct dp_soc *soc, struct dp_peer *peer) 627 { 628 unsigned index; 629 struct dp_peer *tmppeer = NULL; 630 int found = 0; 631 632 index = dp_peer_find_hash_index(soc, &peer->mac_addr); 633 /* Check if tail is not empty before delete*/ 634 QDF_ASSERT(!TAILQ_EMPTY(&soc->peer_hash.bins[index])); 635 636 qdf_spin_lock_bh(&soc->peer_hash_lock); 637 TAILQ_FOREACH(tmppeer, &soc->peer_hash.bins[index], hash_list_elem) { 638 if (tmppeer == peer) { 639 found = 1; 640 break; 641 } 642 } 643 QDF_ASSERT(found); 644 TAILQ_REMOVE(&soc->peer_hash.bins[index], peer, hash_list_elem); 645 646 dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); 647 qdf_spin_unlock_bh(&soc->peer_hash_lock); 648 } 649 650 651 #endif/* WLAN_FEATURE_11BE_MLO */ 652 653 /* 654 * dp_peer_vdev_list_add() - add peer into vdev's peer list 655 * @soc: soc handle 656 * @vdev: vdev handle 657 * @peer: peer handle 658 * 659 * return: none 660 */ 661 void dp_peer_vdev_list_add(struct dp_soc *soc, struct dp_vdev *vdev, 662 struct dp_peer *peer) 663 { 664 /* only link peer will be added to vdev peer list */ 665 if (IS_MLO_DP_MLD_PEER(peer)) 666 return; 667 668 qdf_spin_lock_bh(&vdev->peer_list_lock); 669 if (QDF_IS_STATUS_ERROR(dp_peer_get_ref(soc, peer, DP_MOD_ID_CONFIG))) { 670 dp_err("unable to get peer ref at MAP mac: "QDF_MAC_ADDR_FMT, 671 QDF_MAC_ADDR_REF(peer->mac_addr.raw)); 672 qdf_spin_unlock_bh(&vdev->peer_list_lock); 673 return; 674 } 675 676 /* add this peer into the vdev's list */ 677 if (wlan_op_mode_sta == vdev->opmode) 678 TAILQ_INSERT_HEAD(&vdev->peer_list, peer, peer_list_elem); 679 else 680 TAILQ_INSERT_TAIL(&vdev->peer_list, peer, peer_list_elem); 681 682 vdev->num_peers++; 683 qdf_spin_unlock_bh(&vdev->peer_list_lock); 684 } 685 686 /* 687 * dp_peer_vdev_list_remove() - remove peer from vdev's peer list 688 * @soc: SoC handle 689 * @vdev: VDEV handle 690 * @peer: peer handle 691 * 692 * Return: none 693 */ 694 void dp_peer_vdev_list_remove(struct dp_soc *soc, struct dp_vdev *vdev, 695 struct dp_peer *peer) 696 { 697 uint8_t found = 0; 698 struct dp_peer *tmppeer = NULL; 699 700 /* only link peer will be added to vdev peer list */ 701 if (IS_MLO_DP_MLD_PEER(peer)) 702 return; 703 704 qdf_spin_lock_bh(&vdev->peer_list_lock); 705 TAILQ_FOREACH(tmppeer, &peer->vdev->peer_list, peer_list_elem) { 706 if (tmppeer == peer) { 707 found = 1; 708 break; 709 } 710 } 711 712 if (found) { 713 TAILQ_REMOVE(&peer->vdev->peer_list, peer, 714 peer_list_elem); 715 dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); 716 vdev->num_peers--; 717 } else { 718 /*Ignoring the remove operation as peer not found*/ 719 dp_peer_debug("%pK: peer:%pK not found in vdev:%pK peerlist:%pK" 720 , soc, peer, vdev, &peer->vdev->peer_list); 721 } 722 qdf_spin_unlock_bh(&vdev->peer_list_lock); 723 } 724 725 /* 726 * dp_txrx_peer_attach_add() - Attach txrx_peer and add it to peer_id table 727 * @soc: SoC handle 728 * @peer: peer handle 729 * @txrx_peer: txrx peer handle 730 * 731 * Return: None 732 */ 733 void dp_txrx_peer_attach_add(struct dp_soc *soc, 734 struct dp_peer *peer, 735 struct dp_txrx_peer *txrx_peer) 736 { 737 qdf_spin_lock_bh(&soc->peer_map_lock); 738 739 peer->txrx_peer = txrx_peer; 740 txrx_peer->bss_peer = peer->bss_peer; 741 742 if (peer->peer_id == HTT_INVALID_PEER) { 743 qdf_spin_unlock_bh(&soc->peer_map_lock); 744 return; 745 } 746 747 txrx_peer->peer_id = peer->peer_id; 748 749 QDF_ASSERT(soc->peer_id_to_obj_map[peer->peer_id]); 750 751 qdf_spin_unlock_bh(&soc->peer_map_lock); 752 } 753 754 /* 755 * dp_peer_find_id_to_obj_add() - Add peer into peer_id table 756 * @soc: SoC handle 757 * @peer: peer handle 758 * @peer_id: peer_id 759 * 760 * Return: None 761 */ 762 void dp_peer_find_id_to_obj_add(struct dp_soc *soc, 763 struct dp_peer *peer, 764 uint16_t peer_id) 765 { 766 QDF_ASSERT(peer_id <= soc->max_peer_id); 767 768 qdf_spin_lock_bh(&soc->peer_map_lock); 769 770 peer->peer_id = peer_id; 771 772 if (QDF_IS_STATUS_ERROR(dp_peer_get_ref(soc, peer, DP_MOD_ID_CONFIG))) { 773 dp_err("unable to get peer ref at MAP mac: "QDF_MAC_ADDR_FMT" peer_id %u", 774 QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer_id); 775 qdf_spin_unlock_bh(&soc->peer_map_lock); 776 return; 777 } 778 779 if (!soc->peer_id_to_obj_map[peer_id]) { 780 soc->peer_id_to_obj_map[peer_id] = peer; 781 if (peer->txrx_peer) 782 peer->txrx_peer->peer_id = peer_id; 783 } else { 784 /* Peer map event came for peer_id which 785 * is already mapped, this is not expected 786 */ 787 dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); 788 QDF_ASSERT(0); 789 } 790 qdf_spin_unlock_bh(&soc->peer_map_lock); 791 } 792 793 /* 794 * dp_peer_find_id_to_obj_remove() - remove peer from peer_id table 795 * @soc: SoC handle 796 * @peer_id: peer_id 797 * 798 * Return: None 799 */ 800 void dp_peer_find_id_to_obj_remove(struct dp_soc *soc, 801 uint16_t peer_id) 802 { 803 struct dp_peer *peer = NULL; 804 QDF_ASSERT(peer_id <= soc->max_peer_id); 805 806 qdf_spin_lock_bh(&soc->peer_map_lock); 807 peer = soc->peer_id_to_obj_map[peer_id]; 808 peer->peer_id = HTT_INVALID_PEER; 809 if (peer->txrx_peer) 810 peer->txrx_peer->peer_id = HTT_INVALID_PEER; 811 soc->peer_id_to_obj_map[peer_id] = NULL; 812 dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); 813 qdf_spin_unlock_bh(&soc->peer_map_lock); 814 } 815 816 #ifdef FEATURE_MEC 817 /** 818 * dp_peer_mec_hash_attach() - Allocate and initialize MEC Hash Table 819 * @soc: SoC handle 820 * 821 * Return: QDF_STATUS 822 */ 823 QDF_STATUS dp_peer_mec_hash_attach(struct dp_soc *soc) 824 { 825 int log2, hash_elems, i; 826 827 log2 = dp_log2_ceil(DP_PEER_MAX_MEC_IDX); 828 hash_elems = 1 << log2; 829 830 soc->mec_hash.mask = hash_elems - 1; 831 soc->mec_hash.idx_bits = log2; 832 833 dp_peer_info("%pK: max mec index: %d", 834 soc, DP_PEER_MAX_MEC_IDX); 835 836 /* allocate an array of TAILQ mec object lists */ 837 soc->mec_hash.bins = qdf_mem_malloc(hash_elems * 838 sizeof(TAILQ_HEAD(anonymous_tail_q, 839 dp_mec_entry))); 840 841 if (!soc->mec_hash.bins) 842 return QDF_STATUS_E_NOMEM; 843 844 for (i = 0; i < hash_elems; i++) 845 TAILQ_INIT(&soc->mec_hash.bins[i]); 846 847 return QDF_STATUS_SUCCESS; 848 } 849 850 /** 851 * dp_peer_mec_hash_index() - Compute the MEC hash from MAC address 852 * @soc: SoC handle 853 * 854 * Return: MEC hash 855 */ 856 static inline uint32_t dp_peer_mec_hash_index(struct dp_soc *soc, 857 union dp_align_mac_addr *mac_addr) 858 { 859 uint32_t index; 860 861 index = 862 mac_addr->align2.bytes_ab ^ 863 mac_addr->align2.bytes_cd ^ 864 mac_addr->align2.bytes_ef; 865 index ^= index >> soc->mec_hash.idx_bits; 866 index &= soc->mec_hash.mask; 867 return index; 868 } 869 870 struct dp_mec_entry *dp_peer_mec_hash_find_by_pdevid(struct dp_soc *soc, 871 uint8_t pdev_id, 872 uint8_t *mec_mac_addr) 873 { 874 union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; 875 uint32_t index; 876 struct dp_mec_entry *mecentry; 877 878 qdf_mem_copy(&local_mac_addr_aligned.raw[0], 879 mec_mac_addr, QDF_MAC_ADDR_SIZE); 880 mac_addr = &local_mac_addr_aligned; 881 882 index = dp_peer_mec_hash_index(soc, mac_addr); 883 TAILQ_FOREACH(mecentry, &soc->mec_hash.bins[index], hash_list_elem) { 884 if ((pdev_id == mecentry->pdev_id) && 885 !dp_peer_find_mac_addr_cmp(mac_addr, &mecentry->mac_addr)) 886 return mecentry; 887 } 888 889 return NULL; 890 } 891 892 /** 893 * dp_peer_mec_hash_add() - Add MEC entry into hash table 894 * @soc: SoC handle 895 * 896 * This function adds the MEC entry into SoC MEC hash table 897 * 898 * Return: None 899 */ 900 static inline void dp_peer_mec_hash_add(struct dp_soc *soc, 901 struct dp_mec_entry *mecentry) 902 { 903 uint32_t index; 904 905 index = dp_peer_mec_hash_index(soc, &mecentry->mac_addr); 906 qdf_spin_lock_bh(&soc->mec_lock); 907 TAILQ_INSERT_TAIL(&soc->mec_hash.bins[index], mecentry, hash_list_elem); 908 qdf_spin_unlock_bh(&soc->mec_lock); 909 } 910 911 QDF_STATUS dp_peer_mec_add_entry(struct dp_soc *soc, 912 struct dp_vdev *vdev, 913 uint8_t *mac_addr) 914 { 915 struct dp_mec_entry *mecentry = NULL; 916 struct dp_pdev *pdev = NULL; 917 918 if (!vdev) { 919 dp_peer_err("%pK: Peers vdev is NULL", soc); 920 return QDF_STATUS_E_INVAL; 921 } 922 923 pdev = vdev->pdev; 924 925 if (qdf_unlikely(qdf_atomic_read(&soc->mec_cnt) >= 926 DP_PEER_MAX_MEC_ENTRY)) { 927 dp_peer_warn("%pK: max MEC entry limit reached mac_addr: " 928 QDF_MAC_ADDR_FMT, soc, QDF_MAC_ADDR_REF(mac_addr)); 929 return QDF_STATUS_E_NOMEM; 930 } 931 932 qdf_spin_lock_bh(&soc->mec_lock); 933 mecentry = dp_peer_mec_hash_find_by_pdevid(soc, pdev->pdev_id, 934 mac_addr); 935 if (qdf_likely(mecentry)) { 936 mecentry->is_active = TRUE; 937 qdf_spin_unlock_bh(&soc->mec_lock); 938 return QDF_STATUS_E_ALREADY; 939 } 940 941 qdf_spin_unlock_bh(&soc->mec_lock); 942 943 dp_peer_debug("%pK: pdevid: %u vdev: %u type: MEC mac_addr: " 944 QDF_MAC_ADDR_FMT, 945 soc, pdev->pdev_id, vdev->vdev_id, 946 QDF_MAC_ADDR_REF(mac_addr)); 947 948 mecentry = (struct dp_mec_entry *) 949 qdf_mem_malloc(sizeof(struct dp_mec_entry)); 950 951 if (qdf_unlikely(!mecentry)) { 952 dp_peer_err("%pK: fail to allocate mecentry", soc); 953 return QDF_STATUS_E_NOMEM; 954 } 955 956 qdf_copy_macaddr((struct qdf_mac_addr *)&mecentry->mac_addr.raw[0], 957 (struct qdf_mac_addr *)mac_addr); 958 mecentry->pdev_id = pdev->pdev_id; 959 mecentry->vdev_id = vdev->vdev_id; 960 mecentry->is_active = TRUE; 961 dp_peer_mec_hash_add(soc, mecentry); 962 963 qdf_atomic_inc(&soc->mec_cnt); 964 DP_STATS_INC(soc, mec.added, 1); 965 966 return QDF_STATUS_SUCCESS; 967 } 968 969 void dp_peer_mec_detach_entry(struct dp_soc *soc, struct dp_mec_entry *mecentry, 970 void *ptr) 971 { 972 uint32_t index = dp_peer_mec_hash_index(soc, &mecentry->mac_addr); 973 974 TAILQ_HEAD(, dp_mec_entry) * free_list = ptr; 975 976 TAILQ_REMOVE(&soc->mec_hash.bins[index], mecentry, 977 hash_list_elem); 978 TAILQ_INSERT_TAIL(free_list, mecentry, hash_list_elem); 979 } 980 981 void dp_peer_mec_free_list(struct dp_soc *soc, void *ptr) 982 { 983 struct dp_mec_entry *mecentry, *mecentry_next; 984 985 TAILQ_HEAD(, dp_mec_entry) * free_list = ptr; 986 987 TAILQ_FOREACH_SAFE(mecentry, free_list, hash_list_elem, 988 mecentry_next) { 989 dp_peer_debug("%pK: MEC delete for mac_addr " QDF_MAC_ADDR_FMT, 990 soc, QDF_MAC_ADDR_REF(&mecentry->mac_addr)); 991 qdf_mem_free(mecentry); 992 qdf_atomic_dec(&soc->mec_cnt); 993 DP_STATS_INC(soc, mec.deleted, 1); 994 } 995 } 996 997 /** 998 * dp_peer_mec_hash_detach() - Free MEC Hash table 999 * @soc: SoC handle 1000 * 1001 * Return: None 1002 */ 1003 void dp_peer_mec_hash_detach(struct dp_soc *soc) 1004 { 1005 dp_peer_mec_flush_entries(soc); 1006 qdf_mem_free(soc->mec_hash.bins); 1007 soc->mec_hash.bins = NULL; 1008 } 1009 1010 void dp_peer_mec_spinlock_destroy(struct dp_soc *soc) 1011 { 1012 qdf_spinlock_destroy(&soc->mec_lock); 1013 } 1014 1015 void dp_peer_mec_spinlock_create(struct dp_soc *soc) 1016 { 1017 qdf_spinlock_create(&soc->mec_lock); 1018 } 1019 #else 1020 QDF_STATUS dp_peer_mec_hash_attach(struct dp_soc *soc) 1021 { 1022 return QDF_STATUS_SUCCESS; 1023 } 1024 1025 void dp_peer_mec_hash_detach(struct dp_soc *soc) 1026 { 1027 } 1028 #endif 1029 1030 #ifdef FEATURE_AST 1031 #ifdef WLAN_FEATURE_11BE_MLO 1032 /* 1033 * dp_peer_exist_on_pdev - check if peer with mac address exist on pdev 1034 * 1035 * @soc: Datapath SOC handle 1036 * @peer_mac_addr: peer mac address 1037 * @mac_addr_is_aligned: is mac address aligned 1038 * @pdev: Datapath PDEV handle 1039 * 1040 * Return: true if peer found else return false 1041 */ 1042 static bool dp_peer_exist_on_pdev(struct dp_soc *soc, 1043 uint8_t *peer_mac_addr, 1044 int mac_addr_is_aligned, 1045 struct dp_pdev *pdev) 1046 { 1047 union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; 1048 unsigned int index; 1049 struct dp_peer *peer; 1050 bool found = false; 1051 1052 if (mac_addr_is_aligned) { 1053 mac_addr = (union dp_align_mac_addr *)peer_mac_addr; 1054 } else { 1055 qdf_mem_copy( 1056 &local_mac_addr_aligned.raw[0], 1057 peer_mac_addr, QDF_MAC_ADDR_SIZE); 1058 mac_addr = &local_mac_addr_aligned; 1059 } 1060 index = dp_peer_find_hash_index(soc, mac_addr); 1061 qdf_spin_lock_bh(&soc->peer_hash_lock); 1062 TAILQ_FOREACH(peer, &soc->peer_hash.bins[index], hash_list_elem) { 1063 if (dp_peer_find_mac_addr_cmp(mac_addr, &peer->mac_addr) == 0 && 1064 (peer->vdev->pdev == pdev)) { 1065 found = true; 1066 break; 1067 } 1068 } 1069 qdf_spin_unlock_bh(&soc->peer_hash_lock); 1070 1071 if (found) 1072 return found; 1073 1074 peer = dp_mld_peer_find_hash_find(soc, peer_mac_addr, 1075 mac_addr_is_aligned, DP_VDEV_ALL, 1076 DP_MOD_ID_CDP); 1077 if (peer) { 1078 if (peer->vdev->pdev == pdev) 1079 found = true; 1080 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 1081 } 1082 1083 return found; 1084 } 1085 #else 1086 static bool dp_peer_exist_on_pdev(struct dp_soc *soc, 1087 uint8_t *peer_mac_addr, 1088 int mac_addr_is_aligned, 1089 struct dp_pdev *pdev) 1090 { 1091 union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; 1092 unsigned int index; 1093 struct dp_peer *peer; 1094 bool found = false; 1095 1096 if (mac_addr_is_aligned) { 1097 mac_addr = (union dp_align_mac_addr *)peer_mac_addr; 1098 } else { 1099 qdf_mem_copy( 1100 &local_mac_addr_aligned.raw[0], 1101 peer_mac_addr, QDF_MAC_ADDR_SIZE); 1102 mac_addr = &local_mac_addr_aligned; 1103 } 1104 index = dp_peer_find_hash_index(soc, mac_addr); 1105 qdf_spin_lock_bh(&soc->peer_hash_lock); 1106 TAILQ_FOREACH(peer, &soc->peer_hash.bins[index], hash_list_elem) { 1107 if (dp_peer_find_mac_addr_cmp(mac_addr, &peer->mac_addr) == 0 && 1108 (peer->vdev->pdev == pdev)) { 1109 found = true; 1110 break; 1111 } 1112 } 1113 qdf_spin_unlock_bh(&soc->peer_hash_lock); 1114 return found; 1115 } 1116 #endif /* WLAN_FEATURE_11BE_MLO */ 1117 1118 /* 1119 * dp_peer_ast_hash_attach() - Allocate and initialize AST Hash Table 1120 * @soc: SoC handle 1121 * 1122 * Return: QDF_STATUS 1123 */ 1124 QDF_STATUS dp_peer_ast_hash_attach(struct dp_soc *soc) 1125 { 1126 int i, hash_elems, log2; 1127 unsigned int max_ast_idx = wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx); 1128 1129 hash_elems = ((max_ast_idx * DP_AST_HASH_LOAD_MULT) >> 1130 DP_AST_HASH_LOAD_SHIFT); 1131 1132 log2 = dp_log2_ceil(hash_elems); 1133 hash_elems = 1 << log2; 1134 1135 soc->ast_hash.mask = hash_elems - 1; 1136 soc->ast_hash.idx_bits = log2; 1137 1138 dp_peer_info("%pK: ast hash_elems: %d, max_ast_idx: %d", 1139 soc, hash_elems, max_ast_idx); 1140 1141 /* allocate an array of TAILQ peer object lists */ 1142 soc->ast_hash.bins = qdf_mem_malloc( 1143 hash_elems * sizeof(TAILQ_HEAD(anonymous_tail_q, 1144 dp_ast_entry))); 1145 1146 if (!soc->ast_hash.bins) 1147 return QDF_STATUS_E_NOMEM; 1148 1149 for (i = 0; i < hash_elems; i++) 1150 TAILQ_INIT(&soc->ast_hash.bins[i]); 1151 1152 return QDF_STATUS_SUCCESS; 1153 } 1154 1155 /* 1156 * dp_peer_ast_cleanup() - cleanup the references 1157 * @soc: SoC handle 1158 * @ast: ast entry 1159 * 1160 * Return: None 1161 */ 1162 static inline void dp_peer_ast_cleanup(struct dp_soc *soc, 1163 struct dp_ast_entry *ast) 1164 { 1165 txrx_ast_free_cb cb = ast->callback; 1166 void *cookie = ast->cookie; 1167 1168 dp_peer_debug("mac_addr: " QDF_MAC_ADDR_FMT ", cb: %pK, cookie: %pK", 1169 QDF_MAC_ADDR_REF(ast->mac_addr.raw), cb, cookie); 1170 1171 /* Call the callbacks to free up the cookie */ 1172 if (cb) { 1173 ast->callback = NULL; 1174 ast->cookie = NULL; 1175 cb(soc->ctrl_psoc, 1176 dp_soc_to_cdp_soc(soc), 1177 cookie, 1178 CDP_TXRX_AST_DELETE_IN_PROGRESS); 1179 } 1180 } 1181 1182 /* 1183 * dp_peer_ast_hash_detach() - Free AST Hash table 1184 * @soc: SoC handle 1185 * 1186 * Return: None 1187 */ 1188 void dp_peer_ast_hash_detach(struct dp_soc *soc) 1189 { 1190 unsigned int index; 1191 struct dp_ast_entry *ast, *ast_next; 1192 1193 if (!soc->ast_hash.mask) 1194 return; 1195 1196 if (!soc->ast_hash.bins) 1197 return; 1198 1199 dp_peer_debug("%pK: num_ast_entries: %u", soc, soc->num_ast_entries); 1200 1201 qdf_spin_lock_bh(&soc->ast_lock); 1202 for (index = 0; index <= soc->ast_hash.mask; index++) { 1203 if (!TAILQ_EMPTY(&soc->ast_hash.bins[index])) { 1204 TAILQ_FOREACH_SAFE(ast, &soc->ast_hash.bins[index], 1205 hash_list_elem, ast_next) { 1206 TAILQ_REMOVE(&soc->ast_hash.bins[index], ast, 1207 hash_list_elem); 1208 dp_peer_ast_cleanup(soc, ast); 1209 soc->num_ast_entries--; 1210 qdf_mem_free(ast); 1211 } 1212 } 1213 } 1214 qdf_spin_unlock_bh(&soc->ast_lock); 1215 1216 qdf_mem_free(soc->ast_hash.bins); 1217 soc->ast_hash.bins = NULL; 1218 } 1219 1220 /* 1221 * dp_peer_ast_hash_index() - Compute the AST hash from MAC address 1222 * @soc: SoC handle 1223 * 1224 * Return: AST hash 1225 */ 1226 static inline uint32_t dp_peer_ast_hash_index(struct dp_soc *soc, 1227 union dp_align_mac_addr *mac_addr) 1228 { 1229 uint32_t index; 1230 1231 index = 1232 mac_addr->align2.bytes_ab ^ 1233 mac_addr->align2.bytes_cd ^ 1234 mac_addr->align2.bytes_ef; 1235 index ^= index >> soc->ast_hash.idx_bits; 1236 index &= soc->ast_hash.mask; 1237 return index; 1238 } 1239 1240 /* 1241 * dp_peer_ast_hash_add() - Add AST entry into hash table 1242 * @soc: SoC handle 1243 * 1244 * This function adds the AST entry into SoC AST hash table 1245 * It assumes caller has taken the ast lock to protect the access to this table 1246 * 1247 * Return: None 1248 */ 1249 static inline void dp_peer_ast_hash_add(struct dp_soc *soc, 1250 struct dp_ast_entry *ase) 1251 { 1252 uint32_t index; 1253 1254 index = dp_peer_ast_hash_index(soc, &ase->mac_addr); 1255 TAILQ_INSERT_TAIL(&soc->ast_hash.bins[index], ase, hash_list_elem); 1256 } 1257 1258 /* 1259 * dp_peer_ast_hash_remove() - Look up and remove AST entry from hash table 1260 * @soc: SoC handle 1261 * 1262 * This function removes the AST entry from soc AST hash table 1263 * It assumes caller has taken the ast lock to protect the access to this table 1264 * 1265 * Return: None 1266 */ 1267 void dp_peer_ast_hash_remove(struct dp_soc *soc, 1268 struct dp_ast_entry *ase) 1269 { 1270 unsigned index; 1271 struct dp_ast_entry *tmpase; 1272 int found = 0; 1273 1274 if (soc->ast_offload_support && !soc->host_ast_db_enable) 1275 return; 1276 1277 index = dp_peer_ast_hash_index(soc, &ase->mac_addr); 1278 /* Check if tail is not empty before delete*/ 1279 QDF_ASSERT(!TAILQ_EMPTY(&soc->ast_hash.bins[index])); 1280 1281 dp_peer_debug("ID: %u idx: %u mac_addr: " QDF_MAC_ADDR_FMT, 1282 ase->peer_id, index, QDF_MAC_ADDR_REF(ase->mac_addr.raw)); 1283 1284 TAILQ_FOREACH(tmpase, &soc->ast_hash.bins[index], hash_list_elem) { 1285 if (tmpase == ase) { 1286 found = 1; 1287 break; 1288 } 1289 } 1290 1291 QDF_ASSERT(found); 1292 1293 if (found) 1294 TAILQ_REMOVE(&soc->ast_hash.bins[index], ase, hash_list_elem); 1295 } 1296 1297 /* 1298 * dp_peer_ast_hash_find_by_vdevid() - Find AST entry by MAC address 1299 * @soc: SoC handle 1300 * 1301 * It assumes caller has taken the ast lock to protect the access to 1302 * AST hash table 1303 * 1304 * Return: AST entry 1305 */ 1306 struct dp_ast_entry *dp_peer_ast_hash_find_by_vdevid(struct dp_soc *soc, 1307 uint8_t *ast_mac_addr, 1308 uint8_t vdev_id) 1309 { 1310 union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; 1311 uint32_t index; 1312 struct dp_ast_entry *ase; 1313 1314 qdf_mem_copy(&local_mac_addr_aligned.raw[0], 1315 ast_mac_addr, QDF_MAC_ADDR_SIZE); 1316 mac_addr = &local_mac_addr_aligned; 1317 1318 index = dp_peer_ast_hash_index(soc, mac_addr); 1319 TAILQ_FOREACH(ase, &soc->ast_hash.bins[index], hash_list_elem) { 1320 if ((vdev_id == ase->vdev_id) && 1321 !dp_peer_find_mac_addr_cmp(mac_addr, &ase->mac_addr)) { 1322 return ase; 1323 } 1324 } 1325 1326 return NULL; 1327 } 1328 1329 /* 1330 * dp_peer_ast_hash_find_by_pdevid() - Find AST entry by MAC address 1331 * @soc: SoC handle 1332 * 1333 * It assumes caller has taken the ast lock to protect the access to 1334 * AST hash table 1335 * 1336 * Return: AST entry 1337 */ 1338 struct dp_ast_entry *dp_peer_ast_hash_find_by_pdevid(struct dp_soc *soc, 1339 uint8_t *ast_mac_addr, 1340 uint8_t pdev_id) 1341 { 1342 union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; 1343 uint32_t index; 1344 struct dp_ast_entry *ase; 1345 1346 qdf_mem_copy(&local_mac_addr_aligned.raw[0], 1347 ast_mac_addr, QDF_MAC_ADDR_SIZE); 1348 mac_addr = &local_mac_addr_aligned; 1349 1350 index = dp_peer_ast_hash_index(soc, mac_addr); 1351 TAILQ_FOREACH(ase, &soc->ast_hash.bins[index], hash_list_elem) { 1352 if ((pdev_id == ase->pdev_id) && 1353 !dp_peer_find_mac_addr_cmp(mac_addr, &ase->mac_addr)) { 1354 return ase; 1355 } 1356 } 1357 1358 return NULL; 1359 } 1360 1361 /* 1362 * dp_peer_ast_hash_find_soc() - Find AST entry by MAC address 1363 * @soc: SoC handle 1364 * 1365 * It assumes caller has taken the ast lock to protect the access to 1366 * AST hash table 1367 * 1368 * Return: AST entry 1369 */ 1370 struct dp_ast_entry *dp_peer_ast_hash_find_soc(struct dp_soc *soc, 1371 uint8_t *ast_mac_addr) 1372 { 1373 union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; 1374 unsigned index; 1375 struct dp_ast_entry *ase; 1376 1377 if (!soc->ast_hash.bins) 1378 return NULL; 1379 1380 qdf_mem_copy(&local_mac_addr_aligned.raw[0], 1381 ast_mac_addr, QDF_MAC_ADDR_SIZE); 1382 mac_addr = &local_mac_addr_aligned; 1383 1384 index = dp_peer_ast_hash_index(soc, mac_addr); 1385 TAILQ_FOREACH(ase, &soc->ast_hash.bins[index], hash_list_elem) { 1386 if (dp_peer_find_mac_addr_cmp(mac_addr, &ase->mac_addr) == 0) { 1387 return ase; 1388 } 1389 } 1390 1391 return NULL; 1392 } 1393 1394 /* 1395 * dp_peer_host_add_map_ast() - Add ast entry with HW AST Index 1396 * @soc: SoC handle 1397 * @peer_id: peer id from firmware 1398 * @mac_addr: MAC address of ast node 1399 * @hw_peer_id: HW AST Index returned by target in peer map event 1400 * @vdev_id: vdev id for VAP to which the peer belongs to 1401 * @ast_hash: ast hash value in HW 1402 * @is_wds: flag to indicate peer map event for WDS ast entry 1403 * 1404 * Return: QDF_STATUS code 1405 */ 1406 static inline 1407 QDF_STATUS dp_peer_host_add_map_ast(struct dp_soc *soc, uint16_t peer_id, 1408 uint8_t *mac_addr, uint16_t hw_peer_id, 1409 uint8_t vdev_id, uint16_t ast_hash, 1410 uint8_t is_wds) 1411 { 1412 struct dp_vdev *vdev; 1413 struct dp_ast_entry *ast_entry; 1414 enum cdp_txrx_ast_entry_type type; 1415 struct dp_peer *peer; 1416 struct dp_peer *old_peer; 1417 QDF_STATUS status = QDF_STATUS_SUCCESS; 1418 1419 if (is_wds) 1420 type = CDP_TXRX_AST_TYPE_WDS; 1421 else 1422 type = CDP_TXRX_AST_TYPE_STATIC; 1423 1424 peer = dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_HTT); 1425 if (!peer) { 1426 dp_peer_info("Peer not found soc:%pK: peer_id %d, peer_mac " QDF_MAC_ADDR_FMT ", vdev_id %d", 1427 soc, peer_id, 1428 QDF_MAC_ADDR_REF(mac_addr), vdev_id); 1429 return QDF_STATUS_E_INVAL; 1430 } 1431 1432 if (!is_wds && IS_MLO_DP_MLD_PEER(peer)) 1433 type = CDP_TXRX_AST_TYPE_MLD; 1434 1435 vdev = peer->vdev; 1436 if (!vdev) { 1437 dp_peer_err("%pK: Peers vdev is NULL", soc); 1438 status = QDF_STATUS_E_INVAL; 1439 goto fail; 1440 } 1441 1442 if (!dp_peer_state_cmp(peer, DP_PEER_STATE_ACTIVE)) { 1443 if (type != CDP_TXRX_AST_TYPE_STATIC && 1444 type != CDP_TXRX_AST_TYPE_MLD && 1445 type != CDP_TXRX_AST_TYPE_SELF) { 1446 status = QDF_STATUS_E_BUSY; 1447 goto fail; 1448 } 1449 } 1450 1451 dp_peer_debug("%pK: vdev: %u ast_entry->type: %d peer_mac: " QDF_MAC_ADDR_FMT " peer: %pK mac " QDF_MAC_ADDR_FMT, 1452 soc, vdev->vdev_id, type, 1453 QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer, 1454 QDF_MAC_ADDR_REF(mac_addr)); 1455 1456 /* 1457 * In MLO scenario, there is possibility for same mac address 1458 * on both link mac address and MLD mac address. 1459 * Duplicate AST map needs to be handled for non-mld type. 1460 */ 1461 qdf_spin_lock_bh(&soc->ast_lock); 1462 ast_entry = dp_peer_ast_hash_find_soc(soc, mac_addr); 1463 if (ast_entry && type != CDP_TXRX_AST_TYPE_MLD) { 1464 dp_peer_debug("AST present ID %d vid %d mac " QDF_MAC_ADDR_FMT, 1465 hw_peer_id, vdev_id, 1466 QDF_MAC_ADDR_REF(mac_addr)); 1467 1468 old_peer = __dp_peer_get_ref_by_id(soc, ast_entry->peer_id, 1469 DP_MOD_ID_AST); 1470 if (!old_peer) { 1471 dp_peer_info("Peer not found soc:%pK: peer_id %d, peer_mac " QDF_MAC_ADDR_FMT ", vdev_id %d", 1472 soc, ast_entry->peer_id, 1473 QDF_MAC_ADDR_REF(mac_addr), vdev_id); 1474 qdf_spin_unlock_bh(&soc->ast_lock); 1475 status = QDF_STATUS_E_INVAL; 1476 goto fail; 1477 } 1478 1479 dp_peer_unlink_ast_entry(soc, ast_entry, old_peer); 1480 dp_peer_free_ast_entry(soc, ast_entry); 1481 if (old_peer) 1482 dp_peer_unref_delete(old_peer, DP_MOD_ID_AST); 1483 } 1484 1485 ast_entry = (struct dp_ast_entry *) 1486 qdf_mem_malloc(sizeof(struct dp_ast_entry)); 1487 if (!ast_entry) { 1488 dp_peer_err("%pK: fail to allocate ast_entry", soc); 1489 qdf_spin_unlock_bh(&soc->ast_lock); 1490 QDF_ASSERT(0); 1491 status = QDF_STATUS_E_NOMEM; 1492 goto fail; 1493 } 1494 1495 qdf_mem_copy(&ast_entry->mac_addr.raw[0], mac_addr, QDF_MAC_ADDR_SIZE); 1496 ast_entry->pdev_id = vdev->pdev->pdev_id; 1497 ast_entry->is_mapped = false; 1498 ast_entry->delete_in_progress = false; 1499 ast_entry->next_hop = 0; 1500 ast_entry->vdev_id = vdev->vdev_id; 1501 ast_entry->type = type; 1502 1503 switch (type) { 1504 case CDP_TXRX_AST_TYPE_STATIC: 1505 if (peer->vdev->opmode == wlan_op_mode_sta) 1506 ast_entry->type = CDP_TXRX_AST_TYPE_STA_BSS; 1507 break; 1508 case CDP_TXRX_AST_TYPE_WDS: 1509 ast_entry->next_hop = 1; 1510 break; 1511 case CDP_TXRX_AST_TYPE_MLD: 1512 break; 1513 default: 1514 dp_peer_alert("%pK: Incorrect AST entry type", soc); 1515 } 1516 1517 ast_entry->is_active = TRUE; 1518 DP_STATS_INC(soc, ast.added, 1); 1519 soc->num_ast_entries++; 1520 dp_peer_ast_hash_add(soc, ast_entry); 1521 1522 ast_entry->ast_idx = hw_peer_id; 1523 ast_entry->ast_hash_value = ast_hash; 1524 ast_entry->peer_id = peer_id; 1525 TAILQ_INSERT_TAIL(&peer->ast_entry_list, ast_entry, 1526 ase_list_elem); 1527 1528 qdf_spin_unlock_bh(&soc->ast_lock); 1529 fail: 1530 dp_peer_unref_delete(peer, DP_MOD_ID_HTT); 1531 1532 return status; 1533 } 1534 1535 /* 1536 * dp_peer_map_ast() - Map the ast entry with HW AST Index 1537 * @soc: SoC handle 1538 * @peer: peer to which ast node belongs 1539 * @mac_addr: MAC address of ast node 1540 * @hw_peer_id: HW AST Index returned by target in peer map event 1541 * @vdev_id: vdev id for VAP to which the peer belongs to 1542 * @ast_hash: ast hash value in HW 1543 * @is_wds: flag to indicate peer map event for WDS ast entry 1544 * 1545 * Return: QDF_STATUS code 1546 */ 1547 static inline QDF_STATUS dp_peer_map_ast(struct dp_soc *soc, 1548 struct dp_peer *peer, 1549 uint8_t *mac_addr, 1550 uint16_t hw_peer_id, 1551 uint8_t vdev_id, 1552 uint16_t ast_hash, 1553 uint8_t is_wds) 1554 { 1555 struct dp_ast_entry *ast_entry = NULL; 1556 enum cdp_txrx_ast_entry_type peer_type = CDP_TXRX_AST_TYPE_STATIC; 1557 void *cookie = NULL; 1558 txrx_ast_free_cb cb = NULL; 1559 QDF_STATUS err = QDF_STATUS_SUCCESS; 1560 1561 if (soc->ast_offload_support) 1562 return QDF_STATUS_SUCCESS; 1563 1564 if (!peer) { 1565 return QDF_STATUS_E_INVAL; 1566 } 1567 1568 dp_peer_err("%pK: peer %pK ID %d vid %d mac " QDF_MAC_ADDR_FMT, 1569 soc, peer, hw_peer_id, vdev_id, 1570 QDF_MAC_ADDR_REF(mac_addr)); 1571 1572 qdf_spin_lock_bh(&soc->ast_lock); 1573 1574 ast_entry = dp_peer_ast_hash_find_by_vdevid(soc, mac_addr, vdev_id); 1575 1576 if (is_wds) { 1577 /* 1578 * In certain cases like Auth attack on a repeater 1579 * can result in the number of ast_entries falling 1580 * in the same hash bucket to exceed the max_skid 1581 * length supported by HW in root AP. In these cases 1582 * the FW will return the hw_peer_id (ast_index) as 1583 * 0xffff indicating HW could not add the entry in 1584 * its table. Host has to delete the entry from its 1585 * table in these cases. 1586 */ 1587 if (hw_peer_id == HTT_INVALID_PEER) { 1588 DP_STATS_INC(soc, ast.map_err, 1); 1589 if (ast_entry) { 1590 if (ast_entry->is_mapped) { 1591 soc->ast_table[ast_entry->ast_idx] = 1592 NULL; 1593 } 1594 1595 cb = ast_entry->callback; 1596 cookie = ast_entry->cookie; 1597 peer_type = ast_entry->type; 1598 1599 dp_peer_unlink_ast_entry(soc, ast_entry, peer); 1600 dp_peer_free_ast_entry(soc, ast_entry); 1601 1602 qdf_spin_unlock_bh(&soc->ast_lock); 1603 1604 if (cb) { 1605 cb(soc->ctrl_psoc, 1606 dp_soc_to_cdp_soc(soc), 1607 cookie, 1608 CDP_TXRX_AST_DELETED); 1609 } 1610 } else { 1611 qdf_spin_unlock_bh(&soc->ast_lock); 1612 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", 1613 peer, peer->peer_id, 1614 QDF_MAC_ADDR_REF(peer->mac_addr.raw), 1615 QDF_MAC_ADDR_REF(mac_addr), 1616 vdev_id, is_wds); 1617 } 1618 err = QDF_STATUS_E_INVAL; 1619 1620 dp_hmwds_ast_add_notify(peer, mac_addr, 1621 peer_type, err, true); 1622 1623 return err; 1624 } 1625 } 1626 1627 if (ast_entry) { 1628 ast_entry->ast_idx = hw_peer_id; 1629 soc->ast_table[hw_peer_id] = ast_entry; 1630 ast_entry->is_active = TRUE; 1631 peer_type = ast_entry->type; 1632 ast_entry->ast_hash_value = ast_hash; 1633 ast_entry->is_mapped = TRUE; 1634 qdf_assert_always(ast_entry->peer_id == HTT_INVALID_PEER); 1635 1636 ast_entry->peer_id = peer->peer_id; 1637 TAILQ_INSERT_TAIL(&peer->ast_entry_list, ast_entry, 1638 ase_list_elem); 1639 } 1640 1641 if (ast_entry || (peer->vdev && peer->vdev->proxysta_vdev)) { 1642 if (soc->cdp_soc.ol_ops->peer_map_event) { 1643 soc->cdp_soc.ol_ops->peer_map_event( 1644 soc->ctrl_psoc, peer->peer_id, 1645 hw_peer_id, vdev_id, 1646 mac_addr, peer_type, ast_hash); 1647 } 1648 } else { 1649 dp_peer_err("%pK: AST entry not found", soc); 1650 err = QDF_STATUS_E_NOENT; 1651 } 1652 1653 qdf_spin_unlock_bh(&soc->ast_lock); 1654 1655 dp_hmwds_ast_add_notify(peer, mac_addr, 1656 peer_type, err, true); 1657 1658 return err; 1659 } 1660 1661 void dp_peer_free_hmwds_cb(struct cdp_ctrl_objmgr_psoc *ctrl_psoc, 1662 struct cdp_soc *dp_soc, 1663 void *cookie, 1664 enum cdp_ast_free_status status) 1665 { 1666 struct dp_ast_free_cb_params *param = 1667 (struct dp_ast_free_cb_params *)cookie; 1668 struct dp_soc *soc = (struct dp_soc *)dp_soc; 1669 struct dp_peer *peer = NULL; 1670 QDF_STATUS err = QDF_STATUS_SUCCESS; 1671 1672 if (status != CDP_TXRX_AST_DELETED) { 1673 qdf_mem_free(cookie); 1674 return; 1675 } 1676 1677 peer = dp_peer_find_hash_find(soc, ¶m->peer_mac_addr.raw[0], 1678 0, param->vdev_id, DP_MOD_ID_AST); 1679 if (peer) { 1680 err = dp_peer_add_ast(soc, peer, 1681 ¶m->mac_addr.raw[0], 1682 param->type, 1683 param->flags); 1684 1685 dp_hmwds_ast_add_notify(peer, ¶m->mac_addr.raw[0], 1686 param->type, err, false); 1687 1688 dp_peer_unref_delete(peer, DP_MOD_ID_AST); 1689 } 1690 qdf_mem_free(cookie); 1691 } 1692 1693 /* 1694 * dp_peer_add_ast() - Allocate and add AST entry into peer list 1695 * @soc: SoC handle 1696 * @peer: peer to which ast node belongs 1697 * @mac_addr: MAC address of ast node 1698 * @is_self: Is this base AST entry with peer mac address 1699 * 1700 * This API is used by WDS source port learning function to 1701 * add a new AST entry into peer AST list 1702 * 1703 * Return: QDF_STATUS code 1704 */ 1705 QDF_STATUS dp_peer_add_ast(struct dp_soc *soc, 1706 struct dp_peer *peer, 1707 uint8_t *mac_addr, 1708 enum cdp_txrx_ast_entry_type type, 1709 uint32_t flags) 1710 { 1711 struct dp_ast_entry *ast_entry = NULL; 1712 struct dp_vdev *vdev = NULL; 1713 struct dp_pdev *pdev = NULL; 1714 txrx_ast_free_cb cb = NULL; 1715 void *cookie = NULL; 1716 struct dp_peer *vap_bss_peer = NULL; 1717 bool is_peer_found = false; 1718 int status = 0; 1719 1720 if (soc->ast_offload_support) 1721 return QDF_STATUS_E_INVAL; 1722 1723 vdev = peer->vdev; 1724 if (!vdev) { 1725 dp_peer_err("%pK: Peers vdev is NULL", soc); 1726 QDF_ASSERT(0); 1727 return QDF_STATUS_E_INVAL; 1728 } 1729 1730 pdev = vdev->pdev; 1731 1732 is_peer_found = dp_peer_exist_on_pdev(soc, mac_addr, 0, pdev); 1733 1734 qdf_spin_lock_bh(&soc->ast_lock); 1735 1736 if (!dp_peer_state_cmp(peer, DP_PEER_STATE_ACTIVE)) { 1737 if ((type != CDP_TXRX_AST_TYPE_STATIC) && 1738 (type != CDP_TXRX_AST_TYPE_SELF)) { 1739 qdf_spin_unlock_bh(&soc->ast_lock); 1740 return QDF_STATUS_E_BUSY; 1741 } 1742 } 1743 1744 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, 1745 soc, pdev->pdev_id, vdev->vdev_id, type, flags, 1746 QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer, 1747 QDF_MAC_ADDR_REF(mac_addr)); 1748 1749 /* fw supports only 2 times the max_peers ast entries */ 1750 if (soc->num_ast_entries >= 1751 wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx)) { 1752 qdf_spin_unlock_bh(&soc->ast_lock); 1753 dp_peer_err("%pK: Max ast entries reached", soc); 1754 return QDF_STATUS_E_RESOURCES; 1755 } 1756 1757 /* If AST entry already exists , just return from here 1758 * ast entry with same mac address can exist on different radios 1759 * if ast_override support is enabled use search by pdev in this 1760 * case 1761 */ 1762 if (soc->ast_override_support) { 1763 ast_entry = dp_peer_ast_hash_find_by_pdevid(soc, mac_addr, 1764 pdev->pdev_id); 1765 if (ast_entry) { 1766 qdf_spin_unlock_bh(&soc->ast_lock); 1767 return QDF_STATUS_E_ALREADY; 1768 } 1769 1770 if (is_peer_found) { 1771 /* During WDS to static roaming, peer is added 1772 * to the list before static AST entry create. 1773 * So, allow AST entry for STATIC type 1774 * even if peer is present 1775 */ 1776 if (type != CDP_TXRX_AST_TYPE_STATIC) { 1777 qdf_spin_unlock_bh(&soc->ast_lock); 1778 return QDF_STATUS_E_ALREADY; 1779 } 1780 } 1781 } else { 1782 /* For HWMWDS_SEC entries can be added for same mac address 1783 * do not check for existing entry 1784 */ 1785 if (type == CDP_TXRX_AST_TYPE_WDS_HM_SEC) 1786 goto add_ast_entry; 1787 1788 ast_entry = dp_peer_ast_hash_find_soc(soc, mac_addr); 1789 1790 if (ast_entry) { 1791 if ((ast_entry->type == CDP_TXRX_AST_TYPE_WDS_HM) && 1792 !ast_entry->delete_in_progress) { 1793 qdf_spin_unlock_bh(&soc->ast_lock); 1794 return QDF_STATUS_E_ALREADY; 1795 } 1796 1797 /* Add for HMWDS entry we cannot be ignored if there 1798 * is AST entry with same mac address 1799 * 1800 * if ast entry exists with the requested mac address 1801 * send a delete command and register callback which 1802 * can take care of adding HMWDS ast enty on delete 1803 * confirmation from target 1804 */ 1805 if (type == CDP_TXRX_AST_TYPE_WDS_HM) { 1806 struct dp_ast_free_cb_params *param = NULL; 1807 1808 if (ast_entry->type == 1809 CDP_TXRX_AST_TYPE_WDS_HM_SEC) 1810 goto add_ast_entry; 1811 1812 /* save existing callback */ 1813 if (ast_entry->callback) { 1814 cb = ast_entry->callback; 1815 cookie = ast_entry->cookie; 1816 } 1817 1818 param = qdf_mem_malloc(sizeof(*param)); 1819 if (!param) { 1820 QDF_TRACE(QDF_MODULE_ID_TXRX, 1821 QDF_TRACE_LEVEL_ERROR, 1822 "Allocation failed"); 1823 qdf_spin_unlock_bh(&soc->ast_lock); 1824 return QDF_STATUS_E_NOMEM; 1825 } 1826 1827 qdf_mem_copy(¶m->mac_addr.raw[0], mac_addr, 1828 QDF_MAC_ADDR_SIZE); 1829 qdf_mem_copy(¶m->peer_mac_addr.raw[0], 1830 &peer->mac_addr.raw[0], 1831 QDF_MAC_ADDR_SIZE); 1832 param->type = type; 1833 param->flags = flags; 1834 param->vdev_id = vdev->vdev_id; 1835 ast_entry->callback = dp_peer_free_hmwds_cb; 1836 ast_entry->pdev_id = vdev->pdev->pdev_id; 1837 ast_entry->type = type; 1838 ast_entry->cookie = (void *)param; 1839 if (!ast_entry->delete_in_progress) 1840 dp_peer_del_ast(soc, ast_entry); 1841 1842 qdf_spin_unlock_bh(&soc->ast_lock); 1843 1844 /* Call the saved callback*/ 1845 if (cb) { 1846 cb(soc->ctrl_psoc, 1847 dp_soc_to_cdp_soc(soc), 1848 cookie, 1849 CDP_TXRX_AST_DELETE_IN_PROGRESS); 1850 } 1851 return QDF_STATUS_E_AGAIN; 1852 } 1853 1854 qdf_spin_unlock_bh(&soc->ast_lock); 1855 return QDF_STATUS_E_ALREADY; 1856 } 1857 } 1858 1859 add_ast_entry: 1860 ast_entry = (struct dp_ast_entry *) 1861 qdf_mem_malloc(sizeof(struct dp_ast_entry)); 1862 1863 if (!ast_entry) { 1864 qdf_spin_unlock_bh(&soc->ast_lock); 1865 dp_peer_err("%pK: fail to allocate ast_entry", soc); 1866 QDF_ASSERT(0); 1867 return QDF_STATUS_E_NOMEM; 1868 } 1869 1870 qdf_mem_copy(&ast_entry->mac_addr.raw[0], mac_addr, QDF_MAC_ADDR_SIZE); 1871 ast_entry->pdev_id = vdev->pdev->pdev_id; 1872 ast_entry->is_mapped = false; 1873 ast_entry->delete_in_progress = false; 1874 ast_entry->peer_id = HTT_INVALID_PEER; 1875 ast_entry->next_hop = 0; 1876 ast_entry->vdev_id = vdev->vdev_id; 1877 1878 switch (type) { 1879 case CDP_TXRX_AST_TYPE_STATIC: 1880 peer->self_ast_entry = ast_entry; 1881 ast_entry->type = CDP_TXRX_AST_TYPE_STATIC; 1882 if (peer->vdev->opmode == wlan_op_mode_sta) 1883 ast_entry->type = CDP_TXRX_AST_TYPE_STA_BSS; 1884 break; 1885 case CDP_TXRX_AST_TYPE_SELF: 1886 peer->self_ast_entry = ast_entry; 1887 ast_entry->type = CDP_TXRX_AST_TYPE_SELF; 1888 break; 1889 case CDP_TXRX_AST_TYPE_WDS: 1890 ast_entry->next_hop = 1; 1891 ast_entry->type = CDP_TXRX_AST_TYPE_WDS; 1892 break; 1893 case CDP_TXRX_AST_TYPE_WDS_HM: 1894 ast_entry->next_hop = 1; 1895 ast_entry->type = CDP_TXRX_AST_TYPE_WDS_HM; 1896 break; 1897 case CDP_TXRX_AST_TYPE_WDS_HM_SEC: 1898 ast_entry->next_hop = 1; 1899 ast_entry->type = CDP_TXRX_AST_TYPE_WDS_HM_SEC; 1900 ast_entry->peer_id = peer->peer_id; 1901 TAILQ_INSERT_TAIL(&peer->ast_entry_list, ast_entry, 1902 ase_list_elem); 1903 break; 1904 case CDP_TXRX_AST_TYPE_DA: 1905 vap_bss_peer = dp_vdev_bss_peer_ref_n_get(soc, vdev, 1906 DP_MOD_ID_AST); 1907 if (!vap_bss_peer) { 1908 qdf_spin_unlock_bh(&soc->ast_lock); 1909 qdf_mem_free(ast_entry); 1910 return QDF_STATUS_E_FAILURE; 1911 } 1912 peer = vap_bss_peer; 1913 ast_entry->next_hop = 1; 1914 ast_entry->type = CDP_TXRX_AST_TYPE_DA; 1915 break; 1916 default: 1917 dp_peer_err("%pK: Incorrect AST entry type", soc); 1918 } 1919 1920 ast_entry->is_active = TRUE; 1921 DP_STATS_INC(soc, ast.added, 1); 1922 soc->num_ast_entries++; 1923 dp_peer_ast_hash_add(soc, ast_entry); 1924 1925 if ((ast_entry->type != CDP_TXRX_AST_TYPE_STATIC) && 1926 (ast_entry->type != CDP_TXRX_AST_TYPE_SELF) && 1927 (ast_entry->type != CDP_TXRX_AST_TYPE_STA_BSS) && 1928 (ast_entry->type != CDP_TXRX_AST_TYPE_WDS_HM_SEC)) 1929 status = dp_add_wds_entry_wrapper(soc, 1930 peer, 1931 mac_addr, 1932 flags, 1933 ast_entry->type); 1934 1935 if (vap_bss_peer) 1936 dp_peer_unref_delete(vap_bss_peer, DP_MOD_ID_AST); 1937 1938 qdf_spin_unlock_bh(&soc->ast_lock); 1939 return qdf_status_from_os_return(status); 1940 } 1941 1942 qdf_export_symbol(dp_peer_add_ast); 1943 1944 /* 1945 * dp_peer_free_ast_entry() - Free up the ast entry memory 1946 * @soc: SoC handle 1947 * @ast_entry: Address search entry 1948 * 1949 * This API is used to free up the memory associated with 1950 * AST entry. 1951 * 1952 * Return: None 1953 */ 1954 void dp_peer_free_ast_entry(struct dp_soc *soc, 1955 struct dp_ast_entry *ast_entry) 1956 { 1957 /* 1958 * NOTE: Ensure that call to this API is done 1959 * after soc->ast_lock is taken 1960 */ 1961 dp_peer_debug("type: %d ID: %u vid: %u mac_addr: " QDF_MAC_ADDR_FMT, 1962 ast_entry->type, ast_entry->peer_id, ast_entry->vdev_id, 1963 QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw)); 1964 1965 ast_entry->callback = NULL; 1966 ast_entry->cookie = NULL; 1967 1968 DP_STATS_INC(soc, ast.deleted, 1); 1969 dp_peer_ast_hash_remove(soc, ast_entry); 1970 dp_peer_ast_cleanup(soc, ast_entry); 1971 qdf_mem_free(ast_entry); 1972 soc->num_ast_entries--; 1973 } 1974 1975 /* 1976 * dp_peer_unlink_ast_entry() - Free up the ast entry memory 1977 * @soc: SoC handle 1978 * @ast_entry: Address search entry 1979 * @peer: peer 1980 * 1981 * This API is used to remove/unlink AST entry from the peer list 1982 * and hash list. 1983 * 1984 * Return: None 1985 */ 1986 void dp_peer_unlink_ast_entry(struct dp_soc *soc, 1987 struct dp_ast_entry *ast_entry, 1988 struct dp_peer *peer) 1989 { 1990 if (!peer) { 1991 dp_info_rl("NULL peer"); 1992 return; 1993 } 1994 1995 if (ast_entry->peer_id == HTT_INVALID_PEER) { 1996 dp_info_rl("Invalid peer id in AST entry mac addr:"QDF_MAC_ADDR_FMT" type:%d", 1997 QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw), 1998 ast_entry->type); 1999 return; 2000 } 2001 /* 2002 * NOTE: Ensure that call to this API is done 2003 * after soc->ast_lock is taken 2004 */ 2005 2006 qdf_assert_always(ast_entry->peer_id == peer->peer_id); 2007 TAILQ_REMOVE(&peer->ast_entry_list, ast_entry, ase_list_elem); 2008 2009 if (ast_entry == peer->self_ast_entry) 2010 peer->self_ast_entry = NULL; 2011 2012 /* 2013 * release the reference only if it is mapped 2014 * to ast_table 2015 */ 2016 if (ast_entry->is_mapped) 2017 soc->ast_table[ast_entry->ast_idx] = NULL; 2018 2019 ast_entry->peer_id = HTT_INVALID_PEER; 2020 } 2021 2022 /* 2023 * dp_peer_del_ast() - Delete and free AST entry 2024 * @soc: SoC handle 2025 * @ast_entry: AST entry of the node 2026 * 2027 * This function removes the AST entry from peer and soc tables 2028 * It assumes caller has taken the ast lock to protect the access to these 2029 * tables 2030 * 2031 * Return: None 2032 */ 2033 void dp_peer_del_ast(struct dp_soc *soc, struct dp_ast_entry *ast_entry) 2034 { 2035 struct dp_peer *peer = NULL; 2036 2037 if (soc->ast_offload_support) 2038 return; 2039 2040 if (!ast_entry) { 2041 dp_info_rl("NULL AST entry"); 2042 return; 2043 } 2044 2045 if (ast_entry->delete_in_progress) { 2046 dp_info_rl("AST entry deletion in progress mac addr:"QDF_MAC_ADDR_FMT" type:%d", 2047 QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw), 2048 ast_entry->type); 2049 return; 2050 } 2051 2052 dp_peer_debug("call by %ps: ID: %u vid: %u mac_addr: " QDF_MAC_ADDR_FMT, 2053 (void *)_RET_IP_, ast_entry->peer_id, ast_entry->vdev_id, 2054 QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw)); 2055 2056 ast_entry->delete_in_progress = true; 2057 2058 /* In teardown del ast is called after setting logical delete state 2059 * use __dp_peer_get_ref_by_id to get the reference irrespective of 2060 * state 2061 */ 2062 peer = __dp_peer_get_ref_by_id(soc, ast_entry->peer_id, 2063 DP_MOD_ID_AST); 2064 2065 dp_peer_ast_send_wds_del(soc, ast_entry, peer); 2066 2067 /* Remove SELF and STATIC entries in teardown itself */ 2068 if (!ast_entry->next_hop) 2069 dp_peer_unlink_ast_entry(soc, ast_entry, peer); 2070 2071 if (ast_entry->is_mapped) 2072 soc->ast_table[ast_entry->ast_idx] = NULL; 2073 2074 /* if peer map v2 is enabled we are not freeing ast entry 2075 * here and it is supposed to be freed in unmap event (after 2076 * we receive delete confirmation from target) 2077 * 2078 * if peer_id is invalid we did not get the peer map event 2079 * for the peer free ast entry from here only in this case 2080 */ 2081 if (dp_peer_ast_free_in_unmap_supported(soc, ast_entry)) 2082 goto end; 2083 2084 /* for WDS secondary entry ast_entry->next_hop would be set so 2085 * unlinking has to be done explicitly here. 2086 * As this entry is not a mapped entry unmap notification from 2087 * FW wil not come. Hence unlinkling is done right here. 2088 */ 2089 2090 if (ast_entry->type == CDP_TXRX_AST_TYPE_WDS_HM_SEC) 2091 dp_peer_unlink_ast_entry(soc, ast_entry, peer); 2092 2093 dp_peer_free_ast_entry(soc, ast_entry); 2094 2095 end: 2096 if (peer) 2097 dp_peer_unref_delete(peer, DP_MOD_ID_AST); 2098 } 2099 2100 /* 2101 * dp_peer_update_ast() - Delete and free AST entry 2102 * @soc: SoC handle 2103 * @peer: peer to which ast node belongs 2104 * @ast_entry: AST entry of the node 2105 * @flags: wds or hmwds 2106 * 2107 * This function update the AST entry to the roamed peer and soc tables 2108 * It assumes caller has taken the ast lock to protect the access to these 2109 * tables 2110 * 2111 * Return: 0 if ast entry is updated successfully 2112 * -1 failure 2113 */ 2114 int dp_peer_update_ast(struct dp_soc *soc, struct dp_peer *peer, 2115 struct dp_ast_entry *ast_entry, uint32_t flags) 2116 { 2117 int ret = -1; 2118 struct dp_peer *old_peer; 2119 2120 if (soc->ast_offload_support) 2121 return QDF_STATUS_E_INVAL; 2122 2123 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", 2124 soc, ast_entry->type, peer->vdev->pdev->pdev_id, 2125 peer->vdev->vdev_id, flags, 2126 QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw), 2127 QDF_MAC_ADDR_REF(peer->mac_addr.raw)); 2128 2129 /* Do not send AST update in below cases 2130 * 1) Ast entry delete has already triggered 2131 * 2) Peer delete is already triggered 2132 * 3) We did not get the HTT map for create event 2133 */ 2134 if (ast_entry->delete_in_progress || 2135 !dp_peer_state_cmp(peer, DP_PEER_STATE_ACTIVE) || 2136 !ast_entry->is_mapped) 2137 return ret; 2138 2139 if ((ast_entry->type == CDP_TXRX_AST_TYPE_STATIC) || 2140 (ast_entry->type == CDP_TXRX_AST_TYPE_SELF) || 2141 (ast_entry->type == CDP_TXRX_AST_TYPE_STA_BSS) || 2142 (ast_entry->type == CDP_TXRX_AST_TYPE_WDS_HM_SEC)) 2143 return 0; 2144 2145 /* 2146 * Avoids flood of WMI update messages sent to FW for same peer. 2147 */ 2148 if (qdf_unlikely(ast_entry->peer_id == peer->peer_id) && 2149 (ast_entry->type == CDP_TXRX_AST_TYPE_WDS) && 2150 (ast_entry->vdev_id == peer->vdev->vdev_id) && 2151 (ast_entry->is_active)) 2152 return 0; 2153 2154 old_peer = dp_peer_get_ref_by_id(soc, ast_entry->peer_id, 2155 DP_MOD_ID_AST); 2156 if (!old_peer) 2157 return 0; 2158 2159 TAILQ_REMOVE(&old_peer->ast_entry_list, ast_entry, ase_list_elem); 2160 2161 dp_peer_unref_delete(old_peer, DP_MOD_ID_AST); 2162 2163 ast_entry->peer_id = peer->peer_id; 2164 ast_entry->type = CDP_TXRX_AST_TYPE_WDS; 2165 ast_entry->pdev_id = peer->vdev->pdev->pdev_id; 2166 ast_entry->vdev_id = peer->vdev->vdev_id; 2167 ast_entry->is_active = TRUE; 2168 TAILQ_INSERT_TAIL(&peer->ast_entry_list, ast_entry, ase_list_elem); 2169 2170 ret = dp_update_wds_entry_wrapper(soc, 2171 peer, 2172 ast_entry->mac_addr.raw, 2173 flags); 2174 2175 return ret; 2176 } 2177 2178 /* 2179 * dp_peer_ast_get_pdev_id() - get pdev_id from the ast entry 2180 * @soc: SoC handle 2181 * @ast_entry: AST entry of the node 2182 * 2183 * This function gets the pdev_id from the ast entry. 2184 * 2185 * Return: (uint8_t) pdev_id 2186 */ 2187 uint8_t dp_peer_ast_get_pdev_id(struct dp_soc *soc, 2188 struct dp_ast_entry *ast_entry) 2189 { 2190 return ast_entry->pdev_id; 2191 } 2192 2193 /* 2194 * dp_peer_ast_get_next_hop() - get next_hop from the ast entry 2195 * @soc: SoC handle 2196 * @ast_entry: AST entry of the node 2197 * 2198 * This function gets the next hop from the ast entry. 2199 * 2200 * Return: (uint8_t) next_hop 2201 */ 2202 uint8_t dp_peer_ast_get_next_hop(struct dp_soc *soc, 2203 struct dp_ast_entry *ast_entry) 2204 { 2205 return ast_entry->next_hop; 2206 } 2207 2208 /* 2209 * dp_peer_ast_set_type() - set type from the ast entry 2210 * @soc: SoC handle 2211 * @ast_entry: AST entry of the node 2212 * 2213 * This function sets the type in the ast entry. 2214 * 2215 * Return: 2216 */ 2217 void dp_peer_ast_set_type(struct dp_soc *soc, 2218 struct dp_ast_entry *ast_entry, 2219 enum cdp_txrx_ast_entry_type type) 2220 { 2221 ast_entry->type = type; 2222 } 2223 2224 void dp_peer_ast_send_wds_del(struct dp_soc *soc, 2225 struct dp_ast_entry *ast_entry, 2226 struct dp_peer *peer) 2227 { 2228 bool delete_in_fw = false; 2229 2230 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_TRACE, 2231 "%s: ast_entry->type: %d pdevid: %u vdev: %u mac_addr: "QDF_MAC_ADDR_FMT" next_hop: %u peer_id: %uM\n", 2232 __func__, ast_entry->type, ast_entry->pdev_id, 2233 ast_entry->vdev_id, 2234 QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw), 2235 ast_entry->next_hop, ast_entry->peer_id); 2236 2237 /* 2238 * If peer state is logical delete, the peer is about to get 2239 * teared down with a peer delete command to firmware, 2240 * which will cleanup all the wds ast entries. 2241 * So, no need to send explicit wds ast delete to firmware. 2242 */ 2243 if (ast_entry->next_hop) { 2244 if (peer && dp_peer_state_cmp(peer, 2245 DP_PEER_STATE_LOGICAL_DELETE)) 2246 delete_in_fw = false; 2247 else 2248 delete_in_fw = true; 2249 2250 dp_del_wds_entry_wrapper(soc, 2251 ast_entry->vdev_id, 2252 ast_entry->mac_addr.raw, 2253 ast_entry->type, 2254 delete_in_fw); 2255 } 2256 } 2257 #else 2258 void dp_peer_free_ast_entry(struct dp_soc *soc, 2259 struct dp_ast_entry *ast_entry) 2260 { 2261 } 2262 2263 void dp_peer_unlink_ast_entry(struct dp_soc *soc, 2264 struct dp_ast_entry *ast_entry, 2265 struct dp_peer *peer) 2266 { 2267 } 2268 2269 void dp_peer_ast_hash_remove(struct dp_soc *soc, 2270 struct dp_ast_entry *ase) 2271 { 2272 } 2273 2274 struct dp_ast_entry *dp_peer_ast_hash_find_by_vdevid(struct dp_soc *soc, 2275 uint8_t *ast_mac_addr, 2276 uint8_t vdev_id) 2277 { 2278 return NULL; 2279 } 2280 2281 QDF_STATUS dp_peer_add_ast(struct dp_soc *soc, 2282 struct dp_peer *peer, 2283 uint8_t *mac_addr, 2284 enum cdp_txrx_ast_entry_type type, 2285 uint32_t flags) 2286 { 2287 return QDF_STATUS_E_FAILURE; 2288 } 2289 2290 void dp_peer_del_ast(struct dp_soc *soc, struct dp_ast_entry *ast_entry) 2291 { 2292 } 2293 2294 int dp_peer_update_ast(struct dp_soc *soc, struct dp_peer *peer, 2295 struct dp_ast_entry *ast_entry, uint32_t flags) 2296 { 2297 return 1; 2298 } 2299 2300 struct dp_ast_entry *dp_peer_ast_hash_find_soc(struct dp_soc *soc, 2301 uint8_t *ast_mac_addr) 2302 { 2303 return NULL; 2304 } 2305 2306 static inline 2307 QDF_STATUS dp_peer_host_add_map_ast(struct dp_soc *soc, uint16_t peer_id, 2308 uint8_t *mac_addr, uint16_t hw_peer_id, 2309 uint8_t vdev_id, uint16_t ast_hash, 2310 uint8_t is_wds) 2311 { 2312 return QDF_STATUS_SUCCESS; 2313 } 2314 2315 struct dp_ast_entry *dp_peer_ast_hash_find_by_pdevid(struct dp_soc *soc, 2316 uint8_t *ast_mac_addr, 2317 uint8_t pdev_id) 2318 { 2319 return NULL; 2320 } 2321 2322 QDF_STATUS dp_peer_ast_hash_attach(struct dp_soc *soc) 2323 { 2324 return QDF_STATUS_SUCCESS; 2325 } 2326 2327 static inline QDF_STATUS dp_peer_map_ast(struct dp_soc *soc, 2328 struct dp_peer *peer, 2329 uint8_t *mac_addr, 2330 uint16_t hw_peer_id, 2331 uint8_t vdev_id, 2332 uint16_t ast_hash, 2333 uint8_t is_wds) 2334 { 2335 return QDF_STATUS_SUCCESS; 2336 } 2337 2338 void dp_peer_ast_hash_detach(struct dp_soc *soc) 2339 { 2340 } 2341 2342 void dp_peer_ast_set_type(struct dp_soc *soc, 2343 struct dp_ast_entry *ast_entry, 2344 enum cdp_txrx_ast_entry_type type) 2345 { 2346 } 2347 2348 uint8_t dp_peer_ast_get_pdev_id(struct dp_soc *soc, 2349 struct dp_ast_entry *ast_entry) 2350 { 2351 return 0xff; 2352 } 2353 2354 uint8_t dp_peer_ast_get_next_hop(struct dp_soc *soc, 2355 struct dp_ast_entry *ast_entry) 2356 { 2357 return 0xff; 2358 } 2359 2360 void dp_peer_ast_send_wds_del(struct dp_soc *soc, 2361 struct dp_ast_entry *ast_entry, 2362 struct dp_peer *peer) 2363 { 2364 } 2365 #endif 2366 2367 #ifdef WLAN_FEATURE_MULTI_AST_DEL 2368 void dp_peer_ast_send_multi_wds_del( 2369 struct dp_soc *soc, uint8_t vdev_id, 2370 struct peer_del_multi_wds_entries *wds_list) 2371 { 2372 struct cdp_soc_t *cdp_soc = &soc->cdp_soc; 2373 2374 if (cdp_soc && cdp_soc->ol_ops && 2375 cdp_soc->ol_ops->peer_del_multi_wds_entry) 2376 cdp_soc->ol_ops->peer_del_multi_wds_entry(soc->ctrl_psoc, 2377 vdev_id, wds_list); 2378 } 2379 #endif 2380 2381 #ifdef FEATURE_WDS 2382 /** 2383 * dp_peer_ast_free_wds_entries() - Free wds ast entries associated with peer 2384 * @soc: soc handle 2385 * @peer: peer handle 2386 * 2387 * Free all the wds ast entries associated with peer 2388 * 2389 * Return: Number of wds ast entries freed 2390 */ 2391 static uint32_t dp_peer_ast_free_wds_entries(struct dp_soc *soc, 2392 struct dp_peer *peer) 2393 { 2394 TAILQ_HEAD(, dp_ast_entry) ast_local_list = {0}; 2395 struct dp_ast_entry *ast_entry, *temp_ast_entry; 2396 uint32_t num_ast = 0; 2397 2398 TAILQ_INIT(&ast_local_list); 2399 qdf_spin_lock_bh(&soc->ast_lock); 2400 2401 DP_PEER_ITERATE_ASE_LIST(peer, ast_entry, temp_ast_entry) { 2402 if (ast_entry->next_hop) 2403 num_ast++; 2404 2405 if (ast_entry->is_mapped) 2406 soc->ast_table[ast_entry->ast_idx] = NULL; 2407 2408 dp_peer_unlink_ast_entry(soc, ast_entry, peer); 2409 DP_STATS_INC(soc, ast.deleted, 1); 2410 dp_peer_ast_hash_remove(soc, ast_entry); 2411 TAILQ_INSERT_TAIL(&ast_local_list, ast_entry, 2412 ase_list_elem); 2413 soc->num_ast_entries--; 2414 } 2415 2416 qdf_spin_unlock_bh(&soc->ast_lock); 2417 2418 TAILQ_FOREACH_SAFE(ast_entry, &ast_local_list, ase_list_elem, 2419 temp_ast_entry) { 2420 if (ast_entry->callback) 2421 ast_entry->callback(soc->ctrl_psoc, 2422 dp_soc_to_cdp_soc(soc), 2423 ast_entry->cookie, 2424 CDP_TXRX_AST_DELETED); 2425 2426 qdf_mem_free(ast_entry); 2427 } 2428 2429 return num_ast; 2430 } 2431 /** 2432 * dp_peer_clean_wds_entries() - Clean wds ast entries and compare 2433 * @soc: soc handle 2434 * @peer: peer handle 2435 * @free_wds_count - number of wds entries freed by FW with peer delete 2436 * 2437 * Free all the wds ast entries associated with peer and compare with 2438 * the value received from firmware 2439 * 2440 * Return: Number of wds ast entries freed 2441 */ 2442 static void 2443 dp_peer_clean_wds_entries(struct dp_soc *soc, struct dp_peer *peer, 2444 uint32_t free_wds_count) 2445 { 2446 uint32_t wds_deleted = 0; 2447 2448 if (soc->ast_offload_support && !soc->host_ast_db_enable) 2449 return; 2450 2451 wds_deleted = dp_peer_ast_free_wds_entries(soc, peer); 2452 if ((DP_PEER_WDS_COUNT_INVALID != free_wds_count) && 2453 (free_wds_count != wds_deleted)) { 2454 DP_STATS_INC(soc, ast.ast_mismatch, 1); 2455 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", 2456 peer, peer->mac_addr.raw, free_wds_count, 2457 wds_deleted); 2458 } 2459 } 2460 2461 #else 2462 static void 2463 dp_peer_clean_wds_entries(struct dp_soc *soc, struct dp_peer *peer, 2464 uint32_t free_wds_count) 2465 { 2466 struct dp_ast_entry *ast_entry, *temp_ast_entry; 2467 2468 qdf_spin_lock_bh(&soc->ast_lock); 2469 2470 DP_PEER_ITERATE_ASE_LIST(peer, ast_entry, temp_ast_entry) { 2471 dp_peer_unlink_ast_entry(soc, ast_entry, peer); 2472 2473 if (ast_entry->is_mapped) 2474 soc->ast_table[ast_entry->ast_idx] = NULL; 2475 2476 dp_peer_free_ast_entry(soc, ast_entry); 2477 } 2478 2479 peer->self_ast_entry = NULL; 2480 qdf_spin_unlock_bh(&soc->ast_lock); 2481 } 2482 #endif 2483 2484 /** 2485 * dp_peer_ast_free_entry_by_mac() - find ast entry by MAC address and delete 2486 * @soc: soc handle 2487 * @peer: peer handle 2488 * @vdev_id: vdev_id 2489 * @mac_addr: mac address of the AST entry to searc and delete 2490 * 2491 * find the ast entry from the peer list using the mac address and free 2492 * the entry. 2493 * 2494 * Return: SUCCESS or NOENT 2495 */ 2496 static int dp_peer_ast_free_entry_by_mac(struct dp_soc *soc, 2497 struct dp_peer *peer, 2498 uint8_t vdev_id, 2499 uint8_t *mac_addr) 2500 { 2501 struct dp_ast_entry *ast_entry; 2502 void *cookie = NULL; 2503 txrx_ast_free_cb cb = NULL; 2504 2505 /* 2506 * release the reference only if it is mapped 2507 * to ast_table 2508 */ 2509 2510 qdf_spin_lock_bh(&soc->ast_lock); 2511 2512 ast_entry = dp_peer_ast_hash_find_by_vdevid(soc, mac_addr, vdev_id); 2513 if (!ast_entry) { 2514 qdf_spin_unlock_bh(&soc->ast_lock); 2515 return QDF_STATUS_E_NOENT; 2516 } else if (ast_entry->is_mapped) { 2517 soc->ast_table[ast_entry->ast_idx] = NULL; 2518 } 2519 2520 cb = ast_entry->callback; 2521 cookie = ast_entry->cookie; 2522 2523 2524 dp_peer_unlink_ast_entry(soc, ast_entry, peer); 2525 2526 dp_peer_free_ast_entry(soc, ast_entry); 2527 2528 qdf_spin_unlock_bh(&soc->ast_lock); 2529 2530 if (cb) { 2531 cb(soc->ctrl_psoc, 2532 dp_soc_to_cdp_soc(soc), 2533 cookie, 2534 CDP_TXRX_AST_DELETED); 2535 } 2536 2537 return QDF_STATUS_SUCCESS; 2538 } 2539 2540 void dp_peer_find_hash_erase(struct dp_soc *soc) 2541 { 2542 int i; 2543 2544 /* 2545 * Not really necessary to take peer_ref_mutex lock - by this point, 2546 * it's known that the soc is no longer in use. 2547 */ 2548 for (i = 0; i <= soc->peer_hash.mask; i++) { 2549 if (!TAILQ_EMPTY(&soc->peer_hash.bins[i])) { 2550 struct dp_peer *peer, *peer_next; 2551 2552 /* 2553 * TAILQ_FOREACH_SAFE must be used here to avoid any 2554 * memory access violation after peer is freed 2555 */ 2556 TAILQ_FOREACH_SAFE(peer, &soc->peer_hash.bins[i], 2557 hash_list_elem, peer_next) { 2558 /* 2559 * Don't remove the peer from the hash table - 2560 * that would modify the list we are currently 2561 * traversing, and it's not necessary anyway. 2562 */ 2563 /* 2564 * Artificially adjust the peer's ref count to 2565 * 1, so it will get deleted by 2566 * dp_peer_unref_delete. 2567 */ 2568 /* set to zero */ 2569 qdf_atomic_init(&peer->ref_cnt); 2570 for (i = 0; i < DP_MOD_ID_MAX; i++) 2571 qdf_atomic_init(&peer->mod_refs[i]); 2572 /* incr to one */ 2573 qdf_atomic_inc(&peer->ref_cnt); 2574 qdf_atomic_inc(&peer->mod_refs 2575 [DP_MOD_ID_CONFIG]); 2576 dp_peer_unref_delete(peer, 2577 DP_MOD_ID_CONFIG); 2578 } 2579 } 2580 } 2581 } 2582 2583 void dp_peer_ast_table_detach(struct dp_soc *soc) 2584 { 2585 if (soc->ast_table) { 2586 qdf_mem_free(soc->ast_table); 2587 soc->ast_table = NULL; 2588 } 2589 } 2590 2591 /* 2592 * dp_peer_find_map_detach() - cleanup memory for peer_id_to_obj_map 2593 * @soc: soc handle 2594 * 2595 * return: none 2596 */ 2597 void dp_peer_find_map_detach(struct dp_soc *soc) 2598 { 2599 if (soc->peer_id_to_obj_map) { 2600 qdf_mem_free(soc->peer_id_to_obj_map); 2601 soc->peer_id_to_obj_map = NULL; 2602 qdf_spinlock_destroy(&soc->peer_map_lock); 2603 } 2604 } 2605 2606 #ifndef AST_OFFLOAD_ENABLE 2607 QDF_STATUS dp_peer_find_attach(struct dp_soc *soc) 2608 { 2609 QDF_STATUS status; 2610 2611 status = dp_peer_find_map_attach(soc); 2612 if (!QDF_IS_STATUS_SUCCESS(status)) 2613 return status; 2614 2615 status = dp_peer_find_hash_attach(soc); 2616 if (!QDF_IS_STATUS_SUCCESS(status)) 2617 goto map_detach; 2618 2619 status = dp_peer_ast_table_attach(soc); 2620 if (!QDF_IS_STATUS_SUCCESS(status)) 2621 goto hash_detach; 2622 2623 status = dp_peer_ast_hash_attach(soc); 2624 if (!QDF_IS_STATUS_SUCCESS(status)) 2625 goto ast_table_detach; 2626 2627 status = dp_peer_mec_hash_attach(soc); 2628 if (QDF_IS_STATUS_SUCCESS(status)) { 2629 dp_soc_wds_attach(soc); 2630 return status; 2631 } 2632 2633 dp_peer_ast_hash_detach(soc); 2634 ast_table_detach: 2635 dp_peer_ast_table_detach(soc); 2636 hash_detach: 2637 dp_peer_find_hash_detach(soc); 2638 map_detach: 2639 dp_peer_find_map_detach(soc); 2640 2641 return status; 2642 } 2643 #else 2644 QDF_STATUS dp_peer_find_attach(struct dp_soc *soc) 2645 { 2646 QDF_STATUS status; 2647 2648 status = dp_peer_find_map_attach(soc); 2649 if (!QDF_IS_STATUS_SUCCESS(status)) 2650 return status; 2651 2652 status = dp_peer_find_hash_attach(soc); 2653 if (!QDF_IS_STATUS_SUCCESS(status)) 2654 goto map_detach; 2655 2656 return status; 2657 map_detach: 2658 dp_peer_find_map_detach(soc); 2659 2660 return status; 2661 } 2662 #endif 2663 2664 #ifdef IPA_OFFLOAD 2665 /* 2666 * dp_peer_update_tid_stats_from_reo() - update rx pkt and byte count from reo 2667 * @soc - soc handle 2668 * @cb_ctxt - combination of peer_id and tid 2669 * @reo_status - reo status 2670 * 2671 * return: void 2672 */ 2673 void dp_peer_update_tid_stats_from_reo(struct dp_soc *soc, void *cb_ctxt, 2674 union hal_reo_status *reo_status) 2675 { 2676 struct dp_peer *peer = NULL; 2677 struct dp_rx_tid *rx_tid = NULL; 2678 unsigned long comb_peer_id_tid; 2679 struct hal_reo_queue_status *queue_status = &reo_status->queue_status; 2680 uint16_t tid; 2681 uint16_t peer_id; 2682 2683 if (queue_status->header.status != HAL_REO_CMD_SUCCESS) { 2684 dp_err("REO stats failure %d\n", 2685 queue_status->header.status); 2686 return; 2687 } 2688 comb_peer_id_tid = (unsigned long)cb_ctxt; 2689 tid = DP_PEER_GET_REO_STATS_TID(comb_peer_id_tid); 2690 peer_id = DP_PEER_GET_REO_STATS_PEER_ID(comb_peer_id_tid); 2691 peer = dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_GENERIC_STATS); 2692 if (!peer) 2693 return; 2694 rx_tid = &peer->rx_tid[tid]; 2695 2696 if (!rx_tid) { 2697 dp_peer_unref_delete(peer, DP_MOD_ID_GENERIC_STATS); 2698 return; 2699 } 2700 2701 rx_tid->rx_msdu_cnt.bytes += queue_status->total_cnt; 2702 rx_tid->rx_msdu_cnt.num += queue_status->msdu_frms_cnt; 2703 dp_peer_unref_delete(peer, DP_MOD_ID_GENERIC_STATS); 2704 } 2705 2706 qdf_export_symbol(dp_peer_update_tid_stats_from_reo); 2707 #endif 2708 2709 void dp_rx_tid_stats_cb(struct dp_soc *soc, void *cb_ctxt, 2710 union hal_reo_status *reo_status) 2711 { 2712 struct dp_rx_tid *rx_tid = (struct dp_rx_tid *)cb_ctxt; 2713 struct hal_reo_queue_status *queue_status = &(reo_status->queue_status); 2714 2715 if (queue_status->header.status == HAL_REO_CMD_DRAIN) 2716 return; 2717 2718 if (queue_status->header.status != HAL_REO_CMD_SUCCESS) { 2719 DP_PRINT_STATS("REO stats failure %d for TID %d\n", 2720 queue_status->header.status, rx_tid->tid); 2721 return; 2722 } 2723 2724 DP_PRINT_STATS("REO queue stats (TID: %d):\n" 2725 "ssn: %d\n" 2726 "curr_idx : %d\n" 2727 "pn_31_0 : %08x\n" 2728 "pn_63_32 : %08x\n" 2729 "pn_95_64 : %08x\n" 2730 "pn_127_96 : %08x\n" 2731 "last_rx_enq_tstamp : %08x\n" 2732 "last_rx_deq_tstamp : %08x\n" 2733 "rx_bitmap_31_0 : %08x\n" 2734 "rx_bitmap_63_32 : %08x\n" 2735 "rx_bitmap_95_64 : %08x\n" 2736 "rx_bitmap_127_96 : %08x\n" 2737 "rx_bitmap_159_128 : %08x\n" 2738 "rx_bitmap_191_160 : %08x\n" 2739 "rx_bitmap_223_192 : %08x\n" 2740 "rx_bitmap_255_224 : %08x\n", 2741 rx_tid->tid, 2742 queue_status->ssn, queue_status->curr_idx, 2743 queue_status->pn_31_0, queue_status->pn_63_32, 2744 queue_status->pn_95_64, queue_status->pn_127_96, 2745 queue_status->last_rx_enq_tstamp, 2746 queue_status->last_rx_deq_tstamp, 2747 queue_status->rx_bitmap_31_0, 2748 queue_status->rx_bitmap_63_32, 2749 queue_status->rx_bitmap_95_64, 2750 queue_status->rx_bitmap_127_96, 2751 queue_status->rx_bitmap_159_128, 2752 queue_status->rx_bitmap_191_160, 2753 queue_status->rx_bitmap_223_192, 2754 queue_status->rx_bitmap_255_224); 2755 2756 DP_PRINT_STATS( 2757 "curr_mpdu_cnt : %d\n" 2758 "curr_msdu_cnt : %d\n" 2759 "fwd_timeout_cnt : %d\n" 2760 "fwd_bar_cnt : %d\n" 2761 "dup_cnt : %d\n" 2762 "frms_in_order_cnt : %d\n" 2763 "bar_rcvd_cnt : %d\n" 2764 "mpdu_frms_cnt : %d\n" 2765 "msdu_frms_cnt : %d\n" 2766 "total_byte_cnt : %d\n" 2767 "late_recv_mpdu_cnt : %d\n" 2768 "win_jump_2k : %d\n" 2769 "hole_cnt : %d\n", 2770 queue_status->curr_mpdu_cnt, 2771 queue_status->curr_msdu_cnt, 2772 queue_status->fwd_timeout_cnt, 2773 queue_status->fwd_bar_cnt, 2774 queue_status->dup_cnt, 2775 queue_status->frms_in_order_cnt, 2776 queue_status->bar_rcvd_cnt, 2777 queue_status->mpdu_frms_cnt, 2778 queue_status->msdu_frms_cnt, 2779 queue_status->total_cnt, 2780 queue_status->late_recv_mpdu_cnt, 2781 queue_status->win_jump_2k, 2782 queue_status->hole_cnt); 2783 2784 DP_PRINT_STATS("Addba Req : %d\n" 2785 "Addba Resp : %d\n" 2786 "Addba Resp success : %d\n" 2787 "Addba Resp failed : %d\n" 2788 "Delba Req received : %d\n" 2789 "Delba Tx success : %d\n" 2790 "Delba Tx Fail : %d\n" 2791 "BA window size : %d\n" 2792 "Pn size : %d\n", 2793 rx_tid->num_of_addba_req, 2794 rx_tid->num_of_addba_resp, 2795 rx_tid->num_addba_rsp_success, 2796 rx_tid->num_addba_rsp_failed, 2797 rx_tid->num_of_delba_req, 2798 rx_tid->delba_tx_success_cnt, 2799 rx_tid->delba_tx_fail_cnt, 2800 rx_tid->ba_win_size, 2801 rx_tid->pn_size); 2802 } 2803 2804 #ifdef REO_SHARED_QREF_TABLE_EN 2805 void dp_peer_rx_reo_shared_qaddr_delete(struct dp_soc *soc, 2806 struct dp_peer *peer) 2807 { 2808 uint8_t tid; 2809 2810 if (IS_MLO_DP_LINK_PEER(peer)) 2811 return; 2812 if (hal_reo_shared_qaddr_is_enable(soc->hal_soc)) { 2813 for (tid = 0; tid < DP_MAX_TIDS; tid++) 2814 hal_reo_shared_qaddr_write(soc->hal_soc, 2815 peer->peer_id, tid, 0); 2816 } 2817 } 2818 #endif 2819 2820 /* 2821 * dp_peer_find_add_id() - map peer_id with peer 2822 * @soc: soc handle 2823 * @peer_mac_addr: peer mac address 2824 * @peer_id: peer id to be mapped 2825 * @hw_peer_id: HW ast index 2826 * @vdev_id: vdev_id 2827 * @peer_type: peer type (link or MLD) 2828 * 2829 * return: peer in success 2830 * NULL in failure 2831 */ 2832 static inline struct dp_peer *dp_peer_find_add_id(struct dp_soc *soc, 2833 uint8_t *peer_mac_addr, uint16_t peer_id, uint16_t hw_peer_id, 2834 uint8_t vdev_id, enum cdp_peer_type peer_type) 2835 { 2836 struct dp_peer *peer; 2837 struct cdp_peer_info peer_info = { 0 }; 2838 2839 QDF_ASSERT(peer_id <= soc->max_peer_id); 2840 /* check if there's already a peer object with this MAC address */ 2841 DP_PEER_INFO_PARAMS_INIT(&peer_info, vdev_id, peer_mac_addr, 2842 false, peer_type); 2843 peer = dp_peer_hash_find_wrapper(soc, &peer_info, DP_MOD_ID_CONFIG); 2844 dp_peer_err("%pK: peer %pK ID %d vid %d mac " QDF_MAC_ADDR_FMT, 2845 soc, peer, peer_id, vdev_id, 2846 QDF_MAC_ADDR_REF(peer_mac_addr)); 2847 2848 if (peer) { 2849 /* peer's ref count was already incremented by 2850 * peer_find_hash_find 2851 */ 2852 dp_peer_info("%pK: ref_cnt: %d", soc, 2853 qdf_atomic_read(&peer->ref_cnt)); 2854 2855 /* 2856 * if peer is in logical delete CP triggered delete before map 2857 * is received ignore this event 2858 */ 2859 if (dp_peer_state_cmp(peer, DP_PEER_STATE_LOGICAL_DELETE)) { 2860 dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); 2861 dp_alert("Peer %pK["QDF_MAC_ADDR_FMT"] logical delete state vid %d", 2862 peer, QDF_MAC_ADDR_REF(peer_mac_addr), 2863 vdev_id); 2864 return NULL; 2865 } 2866 2867 if (peer->peer_id == HTT_INVALID_PEER) { 2868 if (!IS_MLO_DP_MLD_PEER(peer)) 2869 dp_monitor_peer_tid_peer_id_update(soc, peer, 2870 peer_id); 2871 } else { 2872 dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); 2873 QDF_ASSERT(0); 2874 return NULL; 2875 } 2876 dp_peer_find_id_to_obj_add(soc, peer, peer_id); 2877 dp_mlo_partner_chips_map(soc, peer, peer_id); 2878 2879 dp_peer_update_state(soc, peer, DP_PEER_STATE_ACTIVE); 2880 return peer; 2881 } 2882 2883 return NULL; 2884 } 2885 2886 #ifdef WLAN_FEATURE_11BE_MLO 2887 #ifdef DP_USE_REDUCED_PEER_ID_FIELD_WIDTH 2888 static inline uint16_t dp_gen_ml_peer_id(struct dp_soc *soc, 2889 uint16_t peer_id) 2890 { 2891 return ((peer_id & soc->peer_id_mask) | (1 << soc->peer_id_shift)); 2892 } 2893 #else 2894 static inline uint16_t dp_gen_ml_peer_id(struct dp_soc *soc, 2895 uint16_t peer_id) 2896 { 2897 return (peer_id | (1 << HTT_RX_PEER_META_DATA_V1_ML_PEER_VALID_S)); 2898 } 2899 #endif 2900 2901 QDF_STATUS 2902 dp_rx_mlo_peer_map_handler(struct dp_soc *soc, uint16_t peer_id, 2903 uint8_t *peer_mac_addr, 2904 struct dp_mlo_flow_override_info *mlo_flow_info, 2905 struct dp_mlo_link_info *mlo_link_info) 2906 { 2907 struct dp_peer *peer = NULL; 2908 uint16_t hw_peer_id = mlo_flow_info[0].ast_idx; 2909 uint16_t ast_hash = mlo_flow_info[0].cache_set_num; 2910 uint8_t vdev_id = 0; 2911 uint8_t is_wds = 0; 2912 int i; 2913 uint16_t ml_peer_id = dp_gen_ml_peer_id(soc, peer_id); 2914 enum cdp_txrx_ast_entry_type type = CDP_TXRX_AST_TYPE_STATIC; 2915 QDF_STATUS err = QDF_STATUS_SUCCESS; 2916 struct dp_soc *primary_soc; 2917 2918 dp_info("mlo_peer_map_event (soc:%pK): peer_id %d ml_peer_id %d, peer_mac "QDF_MAC_ADDR_FMT, 2919 soc, peer_id, ml_peer_id, 2920 QDF_MAC_ADDR_REF(peer_mac_addr)); 2921 2922 /* Get corresponding vdev ID for the peer based 2923 * on chip ID obtained from mlo peer_map event 2924 */ 2925 for (i = 0; i < DP_MAX_MLO_LINKS; i++) { 2926 if (mlo_link_info[i].peer_chip_id == dp_mlo_get_chip_id(soc)) { 2927 vdev_id = mlo_link_info[i].vdev_id; 2928 break; 2929 } 2930 } 2931 2932 peer = dp_peer_find_add_id(soc, peer_mac_addr, ml_peer_id, 2933 hw_peer_id, vdev_id, CDP_MLD_PEER_TYPE); 2934 2935 if (peer) { 2936 if (wlan_op_mode_sta == peer->vdev->opmode && 2937 qdf_mem_cmp(peer->mac_addr.raw, 2938 peer->vdev->mld_mac_addr.raw, 2939 QDF_MAC_ADDR_SIZE) != 0) { 2940 dp_peer_info("%pK: STA vdev bss_peer!!!!", soc); 2941 peer->bss_peer = 1; 2942 if (peer->txrx_peer) 2943 peer->txrx_peer->bss_peer = 1; 2944 } 2945 2946 if (peer->vdev->opmode == wlan_op_mode_sta) { 2947 peer->vdev->bss_ast_hash = ast_hash; 2948 peer->vdev->bss_ast_idx = hw_peer_id; 2949 } 2950 2951 /* Add ast entry incase self ast entry is 2952 * deleted due to DP CP sync issue 2953 * 2954 * self_ast_entry is modified in peer create 2955 * and peer unmap path which cannot run in 2956 * parllel with peer map, no lock need before 2957 * referring it 2958 */ 2959 if (!peer->self_ast_entry) { 2960 dp_info("Add self ast from map "QDF_MAC_ADDR_FMT, 2961 QDF_MAC_ADDR_REF(peer_mac_addr)); 2962 dp_peer_add_ast(soc, peer, 2963 peer_mac_addr, 2964 type, 0); 2965 } 2966 /* If peer setup and hence rx_tid setup got called 2967 * before htt peer map then Qref write to LUT did not 2968 * happen in rx_tid setup as peer_id was invalid. 2969 * So defer Qref write to peer map handler. Check if 2970 * rx_tid qdesc for tid 0 is already setup and perform 2971 * qref write to LUT for Tid 0 and 16. 2972 * 2973 * Peer map could be obtained on assoc link, hence 2974 * change to primary link's soc. 2975 */ 2976 primary_soc = peer->vdev->pdev->soc; 2977 if (hal_reo_shared_qaddr_is_enable(primary_soc->hal_soc) && 2978 peer->rx_tid[0].hw_qdesc_vaddr_unaligned) { 2979 hal_reo_shared_qaddr_write(primary_soc->hal_soc, 2980 ml_peer_id, 2981 0, 2982 peer->rx_tid[0].hw_qdesc_paddr); 2983 hal_reo_shared_qaddr_write(primary_soc->hal_soc, 2984 ml_peer_id, 2985 DP_NON_QOS_TID, 2986 peer->rx_tid[DP_NON_QOS_TID].hw_qdesc_paddr); 2987 } 2988 } 2989 2990 err = dp_peer_map_ast(soc, peer, peer_mac_addr, hw_peer_id, 2991 vdev_id, ast_hash, is_wds); 2992 2993 /* 2994 * If AST offload and host AST DB is enabled, populate AST entries on 2995 * host based on mlo peer map event from FW 2996 */ 2997 if (soc->ast_offload_support && soc->host_ast_db_enable) { 2998 dp_peer_host_add_map_ast(soc, ml_peer_id, peer_mac_addr, 2999 hw_peer_id, vdev_id, 3000 ast_hash, is_wds); 3001 } 3002 3003 return err; 3004 } 3005 #endif 3006 3007 #ifdef DP_RX_UDP_OVER_PEER_ROAM 3008 void dp_rx_reset_roaming_peer(struct dp_soc *soc, uint8_t vdev_id, 3009 uint8_t *peer_mac_addr) 3010 { 3011 struct dp_vdev *vdev = NULL; 3012 3013 vdev = dp_vdev_get_ref_by_id(soc, vdev_id, DP_MOD_ID_HTT); 3014 if (vdev) { 3015 if (qdf_mem_cmp(vdev->roaming_peer_mac.raw, peer_mac_addr, 3016 QDF_MAC_ADDR_SIZE) == 0) { 3017 vdev->roaming_peer_status = 3018 WLAN_ROAM_PEER_AUTH_STATUS_NONE; 3019 qdf_mem_zero(vdev->roaming_peer_mac.raw, 3020 QDF_MAC_ADDR_SIZE); 3021 } 3022 dp_vdev_unref_delete(soc, vdev, DP_MOD_ID_HTT); 3023 } 3024 } 3025 #endif 3026 3027 /** 3028 * dp_rx_peer_map_handler() - handle peer map event from firmware 3029 * @soc_handle - genereic soc handle 3030 * @peeri_id - peer_id from firmware 3031 * @hw_peer_id - ast index for this peer 3032 * @vdev_id - vdev ID 3033 * @peer_mac_addr - mac address of the peer 3034 * @ast_hash - ast hash value 3035 * @is_wds - flag to indicate peer map event for WDS ast entry 3036 * 3037 * associate the peer_id that firmware provided with peer entry 3038 * and update the ast table in the host with the hw_peer_id. 3039 * 3040 * Return: QDF_STATUS code 3041 */ 3042 3043 QDF_STATUS 3044 dp_rx_peer_map_handler(struct dp_soc *soc, uint16_t peer_id, 3045 uint16_t hw_peer_id, uint8_t vdev_id, 3046 uint8_t *peer_mac_addr, uint16_t ast_hash, 3047 uint8_t is_wds) 3048 { 3049 struct dp_peer *peer = NULL; 3050 struct dp_vdev *vdev = NULL; 3051 enum cdp_txrx_ast_entry_type type = CDP_TXRX_AST_TYPE_STATIC; 3052 QDF_STATUS err = QDF_STATUS_SUCCESS; 3053 3054 dp_info("peer_map_event (soc:%pK): peer_id %d, hw_peer_id %d, peer_mac "QDF_MAC_ADDR_FMT", vdev_id %d", 3055 soc, peer_id, hw_peer_id, 3056 QDF_MAC_ADDR_REF(peer_mac_addr), vdev_id); 3057 3058 /* Peer map event for WDS ast entry get the peer from 3059 * obj map 3060 */ 3061 if (is_wds) { 3062 if (!soc->ast_offload_support) { 3063 peer = dp_peer_get_ref_by_id(soc, peer_id, 3064 DP_MOD_ID_HTT); 3065 3066 err = dp_peer_map_ast(soc, peer, peer_mac_addr, 3067 hw_peer_id, 3068 vdev_id, ast_hash, is_wds); 3069 if (peer) 3070 dp_peer_unref_delete(peer, DP_MOD_ID_HTT); 3071 } 3072 } else { 3073 /* 3074 * It's the responsibility of the CP and FW to ensure 3075 * that peer is created successfully. Ideally DP should 3076 * not hit the below condition for directly assocaited 3077 * peers. 3078 */ 3079 if ((!soc->ast_offload_support) && ((hw_peer_id < 0) || 3080 (hw_peer_id >= 3081 wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx)))) { 3082 dp_peer_err("%pK: invalid hw_peer_id: %d", soc, hw_peer_id); 3083 qdf_assert_always(0); 3084 } 3085 3086 peer = dp_peer_find_add_id(soc, peer_mac_addr, peer_id, 3087 hw_peer_id, vdev_id, 3088 CDP_LINK_PEER_TYPE); 3089 3090 if (peer) { 3091 vdev = peer->vdev; 3092 /* Only check for STA Vdev and peer is not for TDLS */ 3093 if (wlan_op_mode_sta == vdev->opmode && 3094 !peer->is_tdls_peer) { 3095 if (qdf_mem_cmp(peer->mac_addr.raw, 3096 vdev->mac_addr.raw, 3097 QDF_MAC_ADDR_SIZE) != 0) { 3098 dp_info("%pK: STA vdev bss_peer", soc); 3099 peer->bss_peer = 1; 3100 if (peer->txrx_peer) 3101 peer->txrx_peer->bss_peer = 1; 3102 } 3103 3104 dp_info("bss ast_hash 0x%x, ast_index 0x%x", 3105 ast_hash, hw_peer_id); 3106 vdev->bss_ast_hash = ast_hash; 3107 vdev->bss_ast_idx = hw_peer_id; 3108 } 3109 3110 /* Add ast entry incase self ast entry is 3111 * deleted due to DP CP sync issue 3112 * 3113 * self_ast_entry is modified in peer create 3114 * and peer unmap path which cannot run in 3115 * parllel with peer map, no lock need before 3116 * referring it 3117 */ 3118 if (!soc->ast_offload_support && 3119 !peer->self_ast_entry) { 3120 dp_info("Add self ast from map "QDF_MAC_ADDR_FMT, 3121 QDF_MAC_ADDR_REF(peer_mac_addr)); 3122 dp_peer_add_ast(soc, peer, 3123 peer_mac_addr, 3124 type, 0); 3125 } 3126 3127 /* If peer setup and hence rx_tid setup got called 3128 * before htt peer map then Qref write to LUT did 3129 * not happen in rx_tid setup as peer_id was invalid. 3130 * So defer Qref write to peer map handler. Check if 3131 * rx_tid qdesc for tid 0 is already setup perform qref 3132 * write to LUT for Tid 0 and 16. 3133 */ 3134 if (hal_reo_shared_qaddr_is_enable(soc->hal_soc) && 3135 peer->rx_tid[0].hw_qdesc_vaddr_unaligned && 3136 !IS_MLO_DP_LINK_PEER(peer)) { 3137 hal_reo_shared_qaddr_write(soc->hal_soc, 3138 peer_id, 3139 0, 3140 peer->rx_tid[0].hw_qdesc_paddr); 3141 hal_reo_shared_qaddr_write(soc->hal_soc, 3142 peer_id, 3143 DP_NON_QOS_TID, 3144 peer->rx_tid[DP_NON_QOS_TID].hw_qdesc_paddr); 3145 } 3146 } 3147 3148 err = dp_peer_map_ast(soc, peer, peer_mac_addr, hw_peer_id, 3149 vdev_id, ast_hash, is_wds); 3150 } 3151 3152 dp_rx_reset_roaming_peer(soc, vdev_id, peer_mac_addr); 3153 3154 /* 3155 * If AST offload and host AST DB is enabled, populate AST entries on 3156 * host based on peer map event from FW 3157 */ 3158 if (soc->ast_offload_support && soc->host_ast_db_enable) { 3159 dp_peer_host_add_map_ast(soc, peer_id, peer_mac_addr, 3160 hw_peer_id, vdev_id, 3161 ast_hash, is_wds); 3162 } 3163 3164 return err; 3165 } 3166 3167 /** 3168 * dp_rx_peer_unmap_handler() - handle peer unmap event from firmware 3169 * @soc_handle - genereic soc handle 3170 * @peeri_id - peer_id from firmware 3171 * @vdev_id - vdev ID 3172 * @mac_addr - mac address of the peer or wds entry 3173 * @is_wds - flag to indicate peer map event for WDS ast entry 3174 * @free_wds_count - number of wds entries freed by FW with peer delete 3175 * 3176 * Return: none 3177 */ 3178 void 3179 dp_rx_peer_unmap_handler(struct dp_soc *soc, uint16_t peer_id, 3180 uint8_t vdev_id, uint8_t *mac_addr, 3181 uint8_t is_wds, uint32_t free_wds_count) 3182 { 3183 struct dp_peer *peer; 3184 struct dp_vdev *vdev = NULL; 3185 3186 /* 3187 * If FW AST offload is enabled and host AST DB is enabled, 3188 * the AST entries are created during peer map from FW. 3189 */ 3190 if (soc->ast_offload_support && is_wds) { 3191 if (!soc->host_ast_db_enable) 3192 return; 3193 } 3194 3195 peer = __dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_HTT); 3196 3197 /* 3198 * Currently peer IDs are assigned for vdevs as well as peers. 3199 * If the peer ID is for a vdev, then the peer pointer stored 3200 * in peer_id_to_obj_map will be NULL. 3201 */ 3202 if (!peer) { 3203 dp_err("Received unmap event for invalid peer_id %u", 3204 peer_id); 3205 return; 3206 } 3207 3208 /* If V2 Peer map messages are enabled AST entry has to be 3209 * freed here 3210 */ 3211 if (is_wds) { 3212 if (!dp_peer_ast_free_entry_by_mac(soc, peer, vdev_id, 3213 mac_addr)) { 3214 dp_peer_unref_delete(peer, DP_MOD_ID_HTT); 3215 return; 3216 } 3217 3218 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", 3219 peer, peer->peer_id, 3220 QDF_MAC_ADDR_REF(peer->mac_addr.raw), 3221 QDF_MAC_ADDR_REF(mac_addr), vdev_id, 3222 is_wds); 3223 3224 dp_peer_unref_delete(peer, DP_MOD_ID_HTT); 3225 return; 3226 } 3227 3228 dp_peer_clean_wds_entries(soc, peer, free_wds_count); 3229 3230 dp_info("peer_unmap_event (soc:%pK) peer_id %d peer %pK", 3231 soc, peer_id, peer); 3232 3233 /* Clear entries in Qref LUT */ 3234 /* TODO: Check if this is to be called from 3235 * dp_peer_delete for MLO case if there is race between 3236 * new peer id assignment and still not having received 3237 * peer unmap for MLD peer with same peer id. 3238 */ 3239 dp_peer_rx_reo_shared_qaddr_delete(soc, peer); 3240 3241 dp_peer_find_id_to_obj_remove(soc, peer_id); 3242 dp_mlo_partner_chips_unmap(soc, peer_id); 3243 peer->peer_id = HTT_INVALID_PEER; 3244 3245 /* 3246 * Reset ast flow mapping table 3247 */ 3248 if (!soc->ast_offload_support) 3249 dp_peer_reset_flowq_map(peer); 3250 3251 if (soc->cdp_soc.ol_ops->peer_unmap_event) { 3252 soc->cdp_soc.ol_ops->peer_unmap_event(soc->ctrl_psoc, 3253 peer_id, vdev_id, mac_addr); 3254 } 3255 3256 vdev = peer->vdev; 3257 dp_update_vdev_stats_on_peer_unmap(vdev, peer); 3258 3259 dp_peer_update_state(soc, peer, DP_PEER_STATE_INACTIVE); 3260 dp_peer_unref_delete(peer, DP_MOD_ID_HTT); 3261 /* 3262 * Remove a reference to the peer. 3263 * If there are no more references, delete the peer object. 3264 */ 3265 dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); 3266 } 3267 3268 #ifdef WLAN_FEATURE_11BE_MLO 3269 void dp_rx_mlo_peer_unmap_handler(struct dp_soc *soc, uint16_t peer_id) 3270 { 3271 uint16_t ml_peer_id = dp_gen_ml_peer_id(soc, peer_id); 3272 uint8_t mac_addr[QDF_MAC_ADDR_SIZE] = {0}; 3273 uint8_t vdev_id = DP_VDEV_ALL; 3274 uint8_t is_wds = 0; 3275 3276 dp_info("MLO peer_unmap_event (soc:%pK) peer_id %d", 3277 soc, peer_id); 3278 3279 dp_rx_peer_unmap_handler(soc, ml_peer_id, vdev_id, 3280 mac_addr, is_wds, 3281 DP_PEER_WDS_COUNT_INVALID); 3282 } 3283 #endif 3284 3285 #ifndef AST_OFFLOAD_ENABLE 3286 void 3287 dp_peer_find_detach(struct dp_soc *soc) 3288 { 3289 dp_soc_wds_detach(soc); 3290 dp_peer_find_map_detach(soc); 3291 dp_peer_find_hash_detach(soc); 3292 dp_peer_ast_hash_detach(soc); 3293 dp_peer_ast_table_detach(soc); 3294 dp_peer_mec_hash_detach(soc); 3295 } 3296 #else 3297 void 3298 dp_peer_find_detach(struct dp_soc *soc) 3299 { 3300 dp_peer_find_map_detach(soc); 3301 dp_peer_find_hash_detach(soc); 3302 } 3303 #endif 3304 3305 static void dp_rx_tid_update_cb(struct dp_soc *soc, void *cb_ctxt, 3306 union hal_reo_status *reo_status) 3307 { 3308 struct dp_rx_tid *rx_tid = (struct dp_rx_tid *)cb_ctxt; 3309 3310 if ((reo_status->rx_queue_status.header.status != 3311 HAL_REO_CMD_SUCCESS) && 3312 (reo_status->rx_queue_status.header.status != 3313 HAL_REO_CMD_DRAIN)) { 3314 /* Should not happen normally. Just print error for now */ 3315 dp_peer_err("%pK: Rx tid HW desc update failed(%d): tid %d", 3316 soc, reo_status->rx_queue_status.header.status, 3317 rx_tid->tid); 3318 } 3319 } 3320 3321 static bool dp_get_peer_vdev_roaming_in_progress(struct dp_peer *peer) 3322 { 3323 struct ol_if_ops *ol_ops = NULL; 3324 bool is_roaming = false; 3325 uint8_t vdev_id = -1; 3326 struct cdp_soc_t *soc; 3327 3328 if (!peer) { 3329 dp_peer_info("Peer is NULL. No roaming possible"); 3330 return false; 3331 } 3332 3333 soc = dp_soc_to_cdp_soc_t(peer->vdev->pdev->soc); 3334 ol_ops = peer->vdev->pdev->soc->cdp_soc.ol_ops; 3335 3336 if (ol_ops && ol_ops->is_roam_inprogress) { 3337 dp_get_vdevid(soc, peer->mac_addr.raw, &vdev_id); 3338 is_roaming = ol_ops->is_roam_inprogress(vdev_id); 3339 } 3340 3341 dp_peer_info("peer: " QDF_MAC_ADDR_FMT ", vdev_id: %d, is_roaming: %d", 3342 QDF_MAC_ADDR_REF(peer->mac_addr.raw), vdev_id, is_roaming); 3343 3344 return is_roaming; 3345 } 3346 3347 #ifdef WLAN_FEATURE_11BE_MLO 3348 /** 3349 * dp_rx_tid_setup_allow() - check if rx_tid and reo queue desc 3350 setup is necessary 3351 * @peer: DP peer handle 3352 * 3353 * Return: true - allow, false - disallow 3354 */ 3355 static inline 3356 bool dp_rx_tid_setup_allow(struct dp_peer *peer) 3357 { 3358 if (IS_MLO_DP_LINK_PEER(peer) && !peer->first_link) 3359 return false; 3360 3361 return true; 3362 } 3363 3364 /** 3365 * dp_rx_tid_update_allow() - check if rx_tid update needed 3366 * @peer: DP peer handle 3367 * 3368 * Return: true - allow, false - disallow 3369 */ 3370 static inline 3371 bool dp_rx_tid_update_allow(struct dp_peer *peer) 3372 { 3373 /* not as expected for MLO connection link peer */ 3374 if (IS_MLO_DP_LINK_PEER(peer)) { 3375 QDF_BUG(0); 3376 return false; 3377 } 3378 3379 return true; 3380 } 3381 #else 3382 static inline 3383 bool dp_rx_tid_setup_allow(struct dp_peer *peer) 3384 { 3385 return true; 3386 } 3387 3388 static inline 3389 bool dp_rx_tid_update_allow(struct dp_peer *peer) 3390 { 3391 return true; 3392 } 3393 #endif 3394 3395 QDF_STATUS dp_rx_tid_update_wifi3(struct dp_peer *peer, int tid, uint32_t 3396 ba_window_size, uint32_t start_seq, 3397 bool bar_update) 3398 { 3399 struct dp_rx_tid *rx_tid = &peer->rx_tid[tid]; 3400 struct dp_soc *soc = peer->vdev->pdev->soc; 3401 struct hal_reo_cmd_params params; 3402 3403 if (!dp_rx_tid_update_allow(peer)) { 3404 dp_peer_err("skip tid update for peer:" QDF_MAC_ADDR_FMT, 3405 QDF_MAC_ADDR_REF(peer->mac_addr.raw)); 3406 return QDF_STATUS_E_FAILURE; 3407 } 3408 3409 qdf_mem_zero(¶ms, sizeof(params)); 3410 3411 params.std.need_status = 1; 3412 params.std.addr_lo = rx_tid->hw_qdesc_paddr & 0xffffffff; 3413 params.std.addr_hi = (uint64_t)(rx_tid->hw_qdesc_paddr) >> 32; 3414 params.u.upd_queue_params.update_ba_window_size = 1; 3415 params.u.upd_queue_params.ba_window_size = ba_window_size; 3416 3417 if (start_seq < IEEE80211_SEQ_MAX) { 3418 params.u.upd_queue_params.update_ssn = 1; 3419 params.u.upd_queue_params.ssn = start_seq; 3420 } else { 3421 dp_set_ssn_valid_flag(¶ms, 0); 3422 } 3423 3424 if (dp_reo_send_cmd(soc, CMD_UPDATE_RX_REO_QUEUE, ¶ms, 3425 dp_rx_tid_update_cb, rx_tid)) { 3426 dp_err_log("failed to send reo cmd CMD_UPDATE_RX_REO_QUEUE"); 3427 DP_STATS_INC(soc, rx.err.reo_cmd_send_fail, 1); 3428 } 3429 3430 rx_tid->ba_win_size = ba_window_size; 3431 3432 if (dp_get_peer_vdev_roaming_in_progress(peer)) 3433 return QDF_STATUS_E_PERM; 3434 3435 if (!bar_update) 3436 dp_peer_rx_reorder_queue_setup(soc, peer, 3437 tid, ba_window_size); 3438 3439 return QDF_STATUS_SUCCESS; 3440 } 3441 3442 #ifdef WLAN_DP_FEATURE_DEFERRED_REO_QDESC_DESTROY 3443 /* 3444 * dp_reo_desc_defer_free_enqueue() - enqueue REO QDESC to be freed into 3445 * the deferred list 3446 * @soc: Datapath soc handle 3447 * @free_desc: REO DESC reference that needs to be freed 3448 * 3449 * Return: true if enqueued, else false 3450 */ 3451 static bool dp_reo_desc_defer_free_enqueue(struct dp_soc *soc, 3452 struct reo_desc_list_node *freedesc) 3453 { 3454 struct reo_desc_deferred_freelist_node *desc; 3455 3456 if (!qdf_atomic_read(&soc->cmn_init_done)) 3457 return false; 3458 3459 desc = qdf_mem_malloc(sizeof(*desc)); 3460 if (!desc) 3461 return false; 3462 3463 desc->hw_qdesc_paddr = freedesc->rx_tid.hw_qdesc_paddr; 3464 desc->hw_qdesc_alloc_size = freedesc->rx_tid.hw_qdesc_alloc_size; 3465 desc->hw_qdesc_vaddr_unaligned = 3466 freedesc->rx_tid.hw_qdesc_vaddr_unaligned; 3467 desc->free_ts = qdf_get_system_timestamp(); 3468 DP_RX_REO_QDESC_DEFERRED_GET_MAC(desc, freedesc); 3469 3470 qdf_spin_lock_bh(&soc->reo_desc_deferred_freelist_lock); 3471 if (!soc->reo_desc_deferred_freelist_init) { 3472 qdf_mem_free(desc); 3473 qdf_spin_unlock_bh(&soc->reo_desc_deferred_freelist_lock); 3474 return false; 3475 } 3476 qdf_list_insert_back(&soc->reo_desc_deferred_freelist, 3477 (qdf_list_node_t *)desc); 3478 qdf_spin_unlock_bh(&soc->reo_desc_deferred_freelist_lock); 3479 3480 return true; 3481 } 3482 3483 /* 3484 * dp_reo_desc_defer_free() - free the REO QDESC in the deferred list 3485 * based on time threshold 3486 * @soc: Datapath soc handle 3487 * @free_desc: REO DESC reference that needs to be freed 3488 * 3489 * Return: true if enqueued, else false 3490 */ 3491 static void dp_reo_desc_defer_free(struct dp_soc *soc) 3492 { 3493 struct reo_desc_deferred_freelist_node *desc; 3494 unsigned long curr_ts = qdf_get_system_timestamp(); 3495 3496 qdf_spin_lock_bh(&soc->reo_desc_deferred_freelist_lock); 3497 3498 while ((qdf_list_peek_front(&soc->reo_desc_deferred_freelist, 3499 (qdf_list_node_t **)&desc) == QDF_STATUS_SUCCESS) && 3500 (curr_ts > (desc->free_ts + REO_DESC_DEFERRED_FREE_MS))) { 3501 qdf_list_remove_front(&soc->reo_desc_deferred_freelist, 3502 (qdf_list_node_t **)&desc); 3503 3504 DP_RX_REO_QDESC_DEFERRED_FREE_EVT(desc); 3505 3506 qdf_mem_unmap_nbytes_single(soc->osdev, 3507 desc->hw_qdesc_paddr, 3508 QDF_DMA_BIDIRECTIONAL, 3509 desc->hw_qdesc_alloc_size); 3510 qdf_mem_free(desc->hw_qdesc_vaddr_unaligned); 3511 qdf_mem_free(desc); 3512 3513 curr_ts = qdf_get_system_timestamp(); 3514 } 3515 3516 qdf_spin_unlock_bh(&soc->reo_desc_deferred_freelist_lock); 3517 } 3518 #else 3519 static inline bool 3520 dp_reo_desc_defer_free_enqueue(struct dp_soc *soc, 3521 struct reo_desc_list_node *freedesc) 3522 { 3523 return false; 3524 } 3525 3526 static void dp_reo_desc_defer_free(struct dp_soc *soc) 3527 { 3528 } 3529 #endif /* !WLAN_DP_FEATURE_DEFERRED_REO_QDESC_DESTROY */ 3530 3531 /* 3532 * dp_reo_desc_free() - Callback free reo descriptor memory after 3533 * HW cache flush 3534 * 3535 * @soc: DP SOC handle 3536 * @cb_ctxt: Callback context 3537 * @reo_status: REO command status 3538 */ 3539 static void dp_reo_desc_free(struct dp_soc *soc, void *cb_ctxt, 3540 union hal_reo_status *reo_status) 3541 { 3542 struct reo_desc_list_node *freedesc = 3543 (struct reo_desc_list_node *)cb_ctxt; 3544 struct dp_rx_tid *rx_tid = &freedesc->rx_tid; 3545 unsigned long curr_ts = qdf_get_system_timestamp(); 3546 3547 if ((reo_status->fl_cache_status.header.status != 3548 HAL_REO_CMD_SUCCESS) && 3549 (reo_status->fl_cache_status.header.status != 3550 HAL_REO_CMD_DRAIN)) { 3551 dp_peer_err("%pK: Rx tid HW desc flush failed(%d): tid %d", 3552 soc, reo_status->rx_queue_status.header.status, 3553 freedesc->rx_tid.tid); 3554 } 3555 dp_peer_info("%pK: %lu hw_qdesc_paddr: %pK, tid:%d", soc, 3556 curr_ts, (void *)(rx_tid->hw_qdesc_paddr), 3557 rx_tid->tid); 3558 3559 /* REO desc is enqueued to be freed at a later point 3560 * in time, just free the freedesc alone and return 3561 */ 3562 if (dp_reo_desc_defer_free_enqueue(soc, freedesc)) 3563 goto out; 3564 3565 DP_RX_REO_QDESC_FREE_EVT(freedesc); 3566 3567 qdf_mem_unmap_nbytes_single(soc->osdev, 3568 rx_tid->hw_qdesc_paddr, 3569 QDF_DMA_BIDIRECTIONAL, 3570 rx_tid->hw_qdesc_alloc_size); 3571 qdf_mem_free(rx_tid->hw_qdesc_vaddr_unaligned); 3572 out: 3573 qdf_mem_free(freedesc); 3574 } 3575 3576 #if defined(CONFIG_WIFI_EMULATION_WIFI_3_0) && defined(BUILD_X86) 3577 /* Hawkeye emulation requires bus address to be >= 0x50000000 */ 3578 static inline int dp_reo_desc_addr_chk(qdf_dma_addr_t dma_addr) 3579 { 3580 if (dma_addr < 0x50000000) 3581 return QDF_STATUS_E_FAILURE; 3582 else 3583 return QDF_STATUS_SUCCESS; 3584 } 3585 #else 3586 static inline int dp_reo_desc_addr_chk(qdf_dma_addr_t dma_addr) 3587 { 3588 return QDF_STATUS_SUCCESS; 3589 } 3590 #endif 3591 3592 /* 3593 * dp_rx_tid_setup_wifi3() – Setup receive TID state 3594 * @peer: Datapath peer handle 3595 * @tid: TID 3596 * @ba_window_size: BlockAck window size 3597 * @start_seq: Starting sequence number 3598 * 3599 * Return: QDF_STATUS code 3600 */ 3601 QDF_STATUS dp_rx_tid_setup_wifi3(struct dp_peer *peer, int tid, 3602 uint32_t ba_window_size, uint32_t start_seq) 3603 { 3604 struct dp_rx_tid *rx_tid = &peer->rx_tid[tid]; 3605 struct dp_vdev *vdev = peer->vdev; 3606 struct dp_soc *soc = vdev->pdev->soc; 3607 uint32_t hw_qdesc_size; 3608 uint32_t hw_qdesc_align; 3609 int hal_pn_type; 3610 void *hw_qdesc_vaddr; 3611 uint32_t alloc_tries = 0; 3612 QDF_STATUS status = QDF_STATUS_SUCCESS; 3613 struct dp_txrx_peer *txrx_peer; 3614 3615 if (!qdf_atomic_read(&peer->is_default_route_set)) 3616 return QDF_STATUS_E_FAILURE; 3617 3618 if (!dp_rx_tid_setup_allow(peer)) { 3619 dp_peer_info("skip rx tid setup for peer" QDF_MAC_ADDR_FMT, 3620 QDF_MAC_ADDR_REF(peer->mac_addr.raw)); 3621 goto send_wmi_reo_cmd; 3622 } 3623 3624 rx_tid->ba_win_size = ba_window_size; 3625 if (rx_tid->hw_qdesc_vaddr_unaligned) 3626 return dp_rx_tid_update_wifi3(peer, tid, ba_window_size, 3627 start_seq, false); 3628 rx_tid->delba_tx_status = 0; 3629 rx_tid->ppdu_id_2k = 0; 3630 rx_tid->num_of_addba_req = 0; 3631 rx_tid->num_of_delba_req = 0; 3632 rx_tid->num_of_addba_resp = 0; 3633 rx_tid->num_addba_rsp_failed = 0; 3634 rx_tid->num_addba_rsp_success = 0; 3635 rx_tid->delba_tx_success_cnt = 0; 3636 rx_tid->delba_tx_fail_cnt = 0; 3637 rx_tid->statuscode = 0; 3638 3639 /* TODO: Allocating HW queue descriptors based on max BA window size 3640 * for all QOS TIDs so that same descriptor can be used later when 3641 * ADDBA request is recevied. This should be changed to allocate HW 3642 * queue descriptors based on BA window size being negotiated (0 for 3643 * non BA cases), and reallocate when BA window size changes and also 3644 * send WMI message to FW to change the REO queue descriptor in Rx 3645 * peer entry as part of dp_rx_tid_update. 3646 */ 3647 hw_qdesc_size = hal_get_reo_qdesc_size(soc->hal_soc, 3648 ba_window_size, tid); 3649 3650 hw_qdesc_align = hal_get_reo_qdesc_align(soc->hal_soc); 3651 /* To avoid unnecessary extra allocation for alignment, try allocating 3652 * exact size and see if we already have aligned address. 3653 */ 3654 rx_tid->hw_qdesc_alloc_size = hw_qdesc_size; 3655 3656 try_desc_alloc: 3657 rx_tid->hw_qdesc_vaddr_unaligned = 3658 qdf_mem_malloc(rx_tid->hw_qdesc_alloc_size); 3659 3660 if (!rx_tid->hw_qdesc_vaddr_unaligned) { 3661 dp_peer_err("%pK: Rx tid HW desc alloc failed: tid %d", 3662 soc, tid); 3663 return QDF_STATUS_E_NOMEM; 3664 } 3665 3666 if ((unsigned long)(rx_tid->hw_qdesc_vaddr_unaligned) % 3667 hw_qdesc_align) { 3668 /* Address allocated above is not alinged. Allocate extra 3669 * memory for alignment 3670 */ 3671 qdf_mem_free(rx_tid->hw_qdesc_vaddr_unaligned); 3672 rx_tid->hw_qdesc_vaddr_unaligned = 3673 qdf_mem_malloc(rx_tid->hw_qdesc_alloc_size + 3674 hw_qdesc_align - 1); 3675 3676 if (!rx_tid->hw_qdesc_vaddr_unaligned) { 3677 dp_peer_err("%pK: Rx tid HW desc alloc failed: tid %d", 3678 soc, tid); 3679 return QDF_STATUS_E_NOMEM; 3680 } 3681 3682 hw_qdesc_vaddr = (void *)qdf_align((unsigned long) 3683 rx_tid->hw_qdesc_vaddr_unaligned, 3684 hw_qdesc_align); 3685 3686 dp_peer_debug("%pK: Total Size %d Aligned Addr %pK", 3687 soc, rx_tid->hw_qdesc_alloc_size, 3688 hw_qdesc_vaddr); 3689 3690 } else { 3691 hw_qdesc_vaddr = rx_tid->hw_qdesc_vaddr_unaligned; 3692 } 3693 rx_tid->hw_qdesc_vaddr_aligned = hw_qdesc_vaddr; 3694 3695 txrx_peer = dp_get_txrx_peer(peer); 3696 3697 /* TODO: Ensure that sec_type is set before ADDBA is received. 3698 * Currently this is set based on htt indication 3699 * HTT_T2H_MSG_TYPE_SEC_IND from target 3700 */ 3701 switch (txrx_peer->security[dp_sec_ucast].sec_type) { 3702 case cdp_sec_type_tkip_nomic: 3703 case cdp_sec_type_aes_ccmp: 3704 case cdp_sec_type_aes_ccmp_256: 3705 case cdp_sec_type_aes_gcmp: 3706 case cdp_sec_type_aes_gcmp_256: 3707 hal_pn_type = HAL_PN_WPA; 3708 break; 3709 case cdp_sec_type_wapi: 3710 if (vdev->opmode == wlan_op_mode_ap) 3711 hal_pn_type = HAL_PN_WAPI_EVEN; 3712 else 3713 hal_pn_type = HAL_PN_WAPI_UNEVEN; 3714 break; 3715 default: 3716 hal_pn_type = HAL_PN_NONE; 3717 break; 3718 } 3719 3720 hal_reo_qdesc_setup(soc->hal_soc, tid, ba_window_size, start_seq, 3721 hw_qdesc_vaddr, rx_tid->hw_qdesc_paddr, hal_pn_type, 3722 vdev->vdev_stats_id); 3723 3724 qdf_mem_map_nbytes_single(soc->osdev, hw_qdesc_vaddr, 3725 QDF_DMA_BIDIRECTIONAL, rx_tid->hw_qdesc_alloc_size, 3726 &(rx_tid->hw_qdesc_paddr)); 3727 3728 if (dp_reo_desc_addr_chk(rx_tid->hw_qdesc_paddr) != 3729 QDF_STATUS_SUCCESS) { 3730 if (alloc_tries++ < 10) { 3731 qdf_mem_free(rx_tid->hw_qdesc_vaddr_unaligned); 3732 rx_tid->hw_qdesc_vaddr_unaligned = NULL; 3733 goto try_desc_alloc; 3734 } else { 3735 dp_peer_err("%pK: Rx tid HW desc alloc failed (lowmem): tid %d", 3736 soc, tid); 3737 status = QDF_STATUS_E_NOMEM; 3738 goto error; 3739 } 3740 } 3741 3742 send_wmi_reo_cmd: 3743 if (dp_get_peer_vdev_roaming_in_progress(peer)) { 3744 status = QDF_STATUS_E_PERM; 3745 goto error; 3746 } 3747 3748 status = dp_peer_rx_reorder_queue_setup(soc, peer, 3749 tid, ba_window_size); 3750 if (QDF_IS_STATUS_SUCCESS(status)) 3751 return status; 3752 3753 error: 3754 if (rx_tid->hw_qdesc_vaddr_unaligned) { 3755 if (dp_reo_desc_addr_chk(rx_tid->hw_qdesc_paddr) == 3756 QDF_STATUS_SUCCESS) 3757 qdf_mem_unmap_nbytes_single( 3758 soc->osdev, 3759 rx_tid->hw_qdesc_paddr, 3760 QDF_DMA_BIDIRECTIONAL, 3761 rx_tid->hw_qdesc_alloc_size); 3762 qdf_mem_free(rx_tid->hw_qdesc_vaddr_unaligned); 3763 rx_tid->hw_qdesc_vaddr_unaligned = NULL; 3764 rx_tid->hw_qdesc_paddr = 0; 3765 } 3766 return status; 3767 } 3768 3769 #ifdef REO_DESC_DEFER_FREE 3770 /* 3771 * dp_reo_desc_clean_up() - If cmd to flush base desc fails add 3772 * desc back to freelist and defer the deletion 3773 * 3774 * @soc: DP SOC handle 3775 * @desc: Base descriptor to be freed 3776 * @reo_status: REO command status 3777 */ 3778 static void dp_reo_desc_clean_up(struct dp_soc *soc, 3779 struct reo_desc_list_node *desc, 3780 union hal_reo_status *reo_status) 3781 { 3782 desc->free_ts = qdf_get_system_timestamp(); 3783 DP_STATS_INC(soc, rx.err.reo_cmd_send_fail, 1); 3784 qdf_list_insert_back(&soc->reo_desc_freelist, 3785 (qdf_list_node_t *)desc); 3786 } 3787 3788 /* 3789 * dp_reo_limit_clean_batch_sz() - Limit number REO CMD queued to cmd 3790 * ring in aviod of REO hang 3791 * 3792 * @list_size: REO desc list size to be cleaned 3793 */ 3794 static inline void dp_reo_limit_clean_batch_sz(uint32_t *list_size) 3795 { 3796 unsigned long curr_ts = qdf_get_system_timestamp(); 3797 3798 if ((*list_size) > REO_DESC_FREELIST_SIZE) { 3799 dp_err_log("%lu:freedesc number %d in freelist", 3800 curr_ts, *list_size); 3801 /* limit the batch queue size */ 3802 *list_size = REO_DESC_FREELIST_SIZE; 3803 } 3804 } 3805 #else 3806 /* 3807 * dp_reo_desc_clean_up() - If send cmd to REO inorder to flush 3808 * cache fails free the base REO desc anyway 3809 * 3810 * @soc: DP SOC handle 3811 * @desc: Base descriptor to be freed 3812 * @reo_status: REO command status 3813 */ 3814 static void dp_reo_desc_clean_up(struct dp_soc *soc, 3815 struct reo_desc_list_node *desc, 3816 union hal_reo_status *reo_status) 3817 { 3818 if (reo_status) { 3819 qdf_mem_zero(reo_status, sizeof(*reo_status)); 3820 reo_status->fl_cache_status.header.status = 0; 3821 dp_reo_desc_free(soc, (void *)desc, reo_status); 3822 } 3823 } 3824 3825 /* 3826 * dp_reo_limit_clean_batch_sz() - Limit number REO CMD queued to cmd 3827 * ring in aviod of REO hang 3828 * 3829 * @list_size: REO desc list size to be cleaned 3830 */ 3831 static inline void dp_reo_limit_clean_batch_sz(uint32_t *list_size) 3832 { 3833 } 3834 #endif 3835 3836 /* 3837 * dp_resend_update_reo_cmd() - Resend the UPDATE_REO_QUEUE 3838 * cmd and re-insert desc into free list if send fails. 3839 * 3840 * @soc: DP SOC handle 3841 * @desc: desc with resend update cmd flag set 3842 * @rx_tid: Desc RX tid associated with update cmd for resetting 3843 * valid field to 0 in h/w 3844 * 3845 * Return: QDF status 3846 */ 3847 static QDF_STATUS 3848 dp_resend_update_reo_cmd(struct dp_soc *soc, 3849 struct reo_desc_list_node *desc, 3850 struct dp_rx_tid *rx_tid) 3851 { 3852 struct hal_reo_cmd_params params; 3853 3854 qdf_mem_zero(¶ms, sizeof(params)); 3855 params.std.need_status = 1; 3856 params.std.addr_lo = 3857 rx_tid->hw_qdesc_paddr & 0xffffffff; 3858 params.std.addr_hi = 3859 (uint64_t)(rx_tid->hw_qdesc_paddr) >> 32; 3860 params.u.upd_queue_params.update_vld = 1; 3861 params.u.upd_queue_params.vld = 0; 3862 desc->resend_update_reo_cmd = false; 3863 /* 3864 * If the cmd send fails then set resend_update_reo_cmd flag 3865 * and insert the desc at the end of the free list to retry. 3866 */ 3867 if (dp_reo_send_cmd(soc, 3868 CMD_UPDATE_RX_REO_QUEUE, 3869 ¶ms, 3870 dp_rx_tid_delete_cb, 3871 (void *)desc) 3872 != QDF_STATUS_SUCCESS) { 3873 desc->resend_update_reo_cmd = true; 3874 desc->free_ts = qdf_get_system_timestamp(); 3875 qdf_list_insert_back(&soc->reo_desc_freelist, 3876 (qdf_list_node_t *)desc); 3877 dp_err_log("failed to send reo cmd CMD_UPDATE_RX_REO_QUEUE"); 3878 DP_STATS_INC(soc, rx.err.reo_cmd_send_fail, 1); 3879 return QDF_STATUS_E_FAILURE; 3880 } 3881 3882 return QDF_STATUS_SUCCESS; 3883 } 3884 3885 /* 3886 * dp_rx_tid_delete_cb() - Callback to flush reo descriptor HW cache 3887 * after deleting the entries (ie., setting valid=0) 3888 * 3889 * @soc: DP SOC handle 3890 * @cb_ctxt: Callback context 3891 * @reo_status: REO command status 3892 */ 3893 void dp_rx_tid_delete_cb(struct dp_soc *soc, void *cb_ctxt, 3894 union hal_reo_status *reo_status) 3895 { 3896 struct reo_desc_list_node *freedesc = 3897 (struct reo_desc_list_node *)cb_ctxt; 3898 uint32_t list_size; 3899 struct reo_desc_list_node *desc; 3900 unsigned long curr_ts = qdf_get_system_timestamp(); 3901 uint32_t desc_size, tot_desc_size; 3902 struct hal_reo_cmd_params params; 3903 bool flush_failure = false; 3904 3905 DP_RX_REO_QDESC_UPDATE_EVT(freedesc); 3906 3907 if (reo_status->rx_queue_status.header.status == HAL_REO_CMD_DRAIN) { 3908 qdf_mem_zero(reo_status, sizeof(*reo_status)); 3909 reo_status->fl_cache_status.header.status = HAL_REO_CMD_DRAIN; 3910 dp_reo_desc_free(soc, (void *)freedesc, reo_status); 3911 DP_STATS_INC(soc, rx.err.reo_cmd_send_drain, 1); 3912 return; 3913 } else if (reo_status->rx_queue_status.header.status != 3914 HAL_REO_CMD_SUCCESS) { 3915 /* Should not happen normally. Just print error for now */ 3916 dp_info_rl("Rx tid HW desc deletion failed(%d): tid %d", 3917 reo_status->rx_queue_status.header.status, 3918 freedesc->rx_tid.tid); 3919 } 3920 3921 dp_peer_info("%pK: rx_tid: %d status: %d", 3922 soc, freedesc->rx_tid.tid, 3923 reo_status->rx_queue_status.header.status); 3924 3925 qdf_spin_lock_bh(&soc->reo_desc_freelist_lock); 3926 freedesc->free_ts = curr_ts; 3927 qdf_list_insert_back_size(&soc->reo_desc_freelist, 3928 (qdf_list_node_t *)freedesc, &list_size); 3929 3930 /* MCL path add the desc back to reo_desc_freelist when REO FLUSH 3931 * failed. it may cause the number of REO queue pending in free 3932 * list is even larger than REO_CMD_RING max size and lead REO CMD 3933 * flood then cause REO HW in an unexpected condition. So it's 3934 * needed to limit the number REO cmds in a batch operation. 3935 */ 3936 dp_reo_limit_clean_batch_sz(&list_size); 3937 3938 while ((qdf_list_peek_front(&soc->reo_desc_freelist, 3939 (qdf_list_node_t **)&desc) == QDF_STATUS_SUCCESS) && 3940 ((list_size >= REO_DESC_FREELIST_SIZE) || 3941 (curr_ts > (desc->free_ts + REO_DESC_FREE_DEFER_MS)) || 3942 (desc->resend_update_reo_cmd && list_size))) { 3943 struct dp_rx_tid *rx_tid; 3944 3945 qdf_list_remove_front(&soc->reo_desc_freelist, 3946 (qdf_list_node_t **)&desc); 3947 list_size--; 3948 rx_tid = &desc->rx_tid; 3949 3950 /* First process descs with resend_update_reo_cmd set */ 3951 if (desc->resend_update_reo_cmd) { 3952 if (dp_resend_update_reo_cmd(soc, desc, rx_tid) != 3953 QDF_STATUS_SUCCESS) 3954 break; 3955 else 3956 continue; 3957 } 3958 3959 /* Flush and invalidate REO descriptor from HW cache: Base and 3960 * extension descriptors should be flushed separately */ 3961 if (desc->pending_ext_desc_size) 3962 tot_desc_size = desc->pending_ext_desc_size; 3963 else 3964 tot_desc_size = rx_tid->hw_qdesc_alloc_size; 3965 /* Get base descriptor size by passing non-qos TID */ 3966 desc_size = hal_get_reo_qdesc_size(soc->hal_soc, 0, 3967 DP_NON_QOS_TID); 3968 3969 /* Flush reo extension descriptors */ 3970 while ((tot_desc_size -= desc_size) > 0) { 3971 qdf_mem_zero(¶ms, sizeof(params)); 3972 params.std.addr_lo = 3973 ((uint64_t)(rx_tid->hw_qdesc_paddr) + 3974 tot_desc_size) & 0xffffffff; 3975 params.std.addr_hi = 3976 (uint64_t)(rx_tid->hw_qdesc_paddr) >> 32; 3977 3978 if (QDF_STATUS_SUCCESS != dp_reo_send_cmd(soc, 3979 CMD_FLUSH_CACHE, 3980 ¶ms, 3981 NULL, 3982 NULL)) { 3983 dp_info_rl("fail to send CMD_CACHE_FLUSH:" 3984 "tid %d desc %pK", rx_tid->tid, 3985 (void *)(rx_tid->hw_qdesc_paddr)); 3986 desc->pending_ext_desc_size = tot_desc_size + 3987 desc_size; 3988 dp_reo_desc_clean_up(soc, desc, reo_status); 3989 flush_failure = true; 3990 break; 3991 } 3992 } 3993 3994 if (flush_failure) 3995 break; 3996 else 3997 desc->pending_ext_desc_size = desc_size; 3998 3999 /* Flush base descriptor */ 4000 qdf_mem_zero(¶ms, sizeof(params)); 4001 params.std.need_status = 1; 4002 params.std.addr_lo = 4003 (uint64_t)(rx_tid->hw_qdesc_paddr) & 0xffffffff; 4004 params.std.addr_hi = (uint64_t)(rx_tid->hw_qdesc_paddr) >> 32; 4005 4006 if (QDF_STATUS_SUCCESS != dp_reo_send_cmd(soc, 4007 CMD_FLUSH_CACHE, 4008 ¶ms, 4009 dp_reo_desc_free, 4010 (void *)desc)) { 4011 union hal_reo_status reo_status; 4012 /* 4013 * If dp_reo_send_cmd return failure, related TID queue desc 4014 * should be unmapped. Also locally reo_desc, together with 4015 * TID queue desc also need to be freed accordingly. 4016 * 4017 * Here invoke desc_free function directly to do clean up. 4018 * 4019 * In case of MCL path add the desc back to the free 4020 * desc list and defer deletion. 4021 */ 4022 dp_info_rl("fail to send REO cmd to flush cache: tid %d", 4023 rx_tid->tid); 4024 dp_reo_desc_clean_up(soc, desc, &reo_status); 4025 DP_STATS_INC(soc, rx.err.reo_cmd_send_fail, 1); 4026 break; 4027 } 4028 } 4029 qdf_spin_unlock_bh(&soc->reo_desc_freelist_lock); 4030 4031 dp_reo_desc_defer_free(soc); 4032 } 4033 4034 /* 4035 * dp_rx_tid_delete_wifi3() – Delete receive TID queue 4036 * @peer: Datapath peer handle 4037 * @tid: TID 4038 * 4039 * Return: 0 on success, error code on failure 4040 */ 4041 static int dp_rx_tid_delete_wifi3(struct dp_peer *peer, int tid) 4042 { 4043 struct dp_rx_tid *rx_tid = &(peer->rx_tid[tid]); 4044 struct dp_soc *soc = peer->vdev->pdev->soc; 4045 struct hal_reo_cmd_params params; 4046 struct reo_desc_list_node *freedesc = 4047 qdf_mem_malloc(sizeof(*freedesc)); 4048 4049 if (!freedesc) { 4050 dp_peer_err("%pK: malloc failed for freedesc: tid %d", 4051 soc, tid); 4052 return -ENOMEM; 4053 } 4054 4055 freedesc->rx_tid = *rx_tid; 4056 freedesc->resend_update_reo_cmd = false; 4057 4058 qdf_mem_zero(¶ms, sizeof(params)); 4059 4060 DP_RX_REO_QDESC_GET_MAC(freedesc, peer); 4061 4062 params.std.need_status = 1; 4063 params.std.addr_lo = rx_tid->hw_qdesc_paddr & 0xffffffff; 4064 params.std.addr_hi = (uint64_t)(rx_tid->hw_qdesc_paddr) >> 32; 4065 params.u.upd_queue_params.update_vld = 1; 4066 params.u.upd_queue_params.vld = 0; 4067 4068 if (dp_reo_send_cmd(soc, CMD_UPDATE_RX_REO_QUEUE, ¶ms, 4069 dp_rx_tid_delete_cb, (void *)freedesc) 4070 != QDF_STATUS_SUCCESS) { 4071 /* Defer the clean up to the call back context */ 4072 qdf_spin_lock_bh(&soc->reo_desc_freelist_lock); 4073 freedesc->free_ts = qdf_get_system_timestamp(); 4074 freedesc->resend_update_reo_cmd = true; 4075 qdf_list_insert_front(&soc->reo_desc_freelist, 4076 (qdf_list_node_t *)freedesc); 4077 DP_STATS_INC(soc, rx.err.reo_cmd_send_fail, 1); 4078 qdf_spin_unlock_bh(&soc->reo_desc_freelist_lock); 4079 dp_info("Failed to send CMD_UPDATE_RX_REO_QUEUE"); 4080 } 4081 4082 rx_tid->hw_qdesc_vaddr_unaligned = NULL; 4083 rx_tid->hw_qdesc_alloc_size = 0; 4084 rx_tid->hw_qdesc_paddr = 0; 4085 4086 return 0; 4087 } 4088 4089 #ifdef DP_LFR 4090 static void dp_peer_setup_remaining_tids(struct dp_peer *peer) 4091 { 4092 int tid; 4093 4094 for (tid = 1; tid < DP_MAX_TIDS-1; tid++) { 4095 dp_rx_tid_setup_wifi3(peer, tid, 1, 0); 4096 dp_peer_debug("Setting up TID %d for peer %pK peer->local_id %d", 4097 tid, peer, peer->local_id); 4098 } 4099 } 4100 #else 4101 static void dp_peer_setup_remaining_tids(struct dp_peer *peer) {}; 4102 #endif 4103 4104 #ifdef WLAN_FEATURE_11BE_MLO 4105 /** 4106 * dp_peer_rx_tids_init() - initialize each tids in peer 4107 * @peer: peer pointer 4108 * 4109 * Return: None 4110 */ 4111 static void dp_peer_rx_tids_init(struct dp_peer *peer) 4112 { 4113 int tid; 4114 struct dp_rx_tid *rx_tid; 4115 struct dp_rx_tid_defrag *rx_tid_defrag; 4116 4117 if (!IS_MLO_DP_LINK_PEER(peer)) { 4118 for (tid = 0; tid < DP_MAX_TIDS; tid++) { 4119 rx_tid_defrag = &peer->txrx_peer->rx_tid[tid]; 4120 4121 rx_tid_defrag->array = &rx_tid_defrag->base; 4122 rx_tid_defrag->defrag_timeout_ms = 0; 4123 rx_tid_defrag->defrag_waitlist_elem.tqe_next = NULL; 4124 rx_tid_defrag->defrag_waitlist_elem.tqe_prev = NULL; 4125 rx_tid_defrag->base.head = NULL; 4126 rx_tid_defrag->base.tail = NULL; 4127 rx_tid_defrag->tid = tid; 4128 rx_tid_defrag->defrag_peer = peer->txrx_peer; 4129 } 4130 } 4131 4132 /* if not first assoc link peer, 4133 * not to initialize rx_tids again. 4134 */ 4135 if (IS_MLO_DP_LINK_PEER(peer) && !peer->first_link) 4136 return; 4137 4138 for (tid = 0; tid < DP_MAX_TIDS; tid++) { 4139 rx_tid = &peer->rx_tid[tid]; 4140 rx_tid->tid = tid; 4141 rx_tid->ba_win_size = 0; 4142 rx_tid->ba_status = DP_RX_BA_INACTIVE; 4143 } 4144 } 4145 #else 4146 static void dp_peer_rx_tids_init(struct dp_peer *peer) 4147 { 4148 int tid; 4149 struct dp_rx_tid *rx_tid; 4150 struct dp_rx_tid_defrag *rx_tid_defrag; 4151 4152 for (tid = 0; tid < DP_MAX_TIDS; tid++) { 4153 rx_tid = &peer->rx_tid[tid]; 4154 4155 rx_tid_defrag = &peer->txrx_peer->rx_tid[tid]; 4156 rx_tid->tid = tid; 4157 rx_tid->ba_win_size = 0; 4158 rx_tid->ba_status = DP_RX_BA_INACTIVE; 4159 4160 rx_tid_defrag->base.head = NULL; 4161 rx_tid_defrag->base.tail = NULL; 4162 rx_tid_defrag->tid = tid; 4163 rx_tid_defrag->array = &rx_tid_defrag->base; 4164 rx_tid_defrag->defrag_timeout_ms = 0; 4165 rx_tid_defrag->defrag_waitlist_elem.tqe_next = NULL; 4166 rx_tid_defrag->defrag_waitlist_elem.tqe_prev = NULL; 4167 rx_tid_defrag->defrag_peer = peer->txrx_peer; 4168 } 4169 } 4170 #endif 4171 4172 /* 4173 * dp_peer_rx_init() – Initialize receive TID state 4174 * @pdev: Datapath pdev 4175 * @peer: Datapath peer 4176 * 4177 */ 4178 void dp_peer_rx_init(struct dp_pdev *pdev, struct dp_peer *peer) 4179 { 4180 dp_peer_rx_tids_init(peer); 4181 4182 peer->active_ba_session_cnt = 0; 4183 peer->hw_buffer_size = 0; 4184 peer->kill_256_sessions = 0; 4185 4186 /* Setup default (non-qos) rx tid queue */ 4187 dp_rx_tid_setup_wifi3(peer, DP_NON_QOS_TID, 1, 0); 4188 4189 /* Setup rx tid queue for TID 0. 4190 * Other queues will be setup on receiving first packet, which will cause 4191 * NULL REO queue error 4192 */ 4193 dp_rx_tid_setup_wifi3(peer, 0, 1, 0); 4194 4195 /* 4196 * Setup the rest of TID's to handle LFR 4197 */ 4198 dp_peer_setup_remaining_tids(peer); 4199 4200 /* 4201 * Set security defaults: no PN check, no security. The target may 4202 * send a HTT SEC_IND message to overwrite these defaults. 4203 */ 4204 if (peer->txrx_peer) 4205 peer->txrx_peer->security[dp_sec_ucast].sec_type = 4206 peer->txrx_peer->security[dp_sec_mcast].sec_type = 4207 cdp_sec_type_none; 4208 } 4209 4210 /* 4211 * dp_peer_rx_cleanup() – Cleanup receive TID state 4212 * @vdev: Datapath vdev 4213 * @peer: Datapath peer 4214 * 4215 */ 4216 void dp_peer_rx_cleanup(struct dp_vdev *vdev, struct dp_peer *peer) 4217 { 4218 int tid; 4219 uint32_t tid_delete_mask = 0; 4220 4221 if (!peer->txrx_peer) 4222 return; 4223 4224 dp_info("Remove tids for peer: %pK", peer); 4225 4226 for (tid = 0; tid < DP_MAX_TIDS; tid++) { 4227 struct dp_rx_tid *rx_tid = &peer->rx_tid[tid]; 4228 struct dp_rx_tid_defrag *defrag_rx_tid = 4229 &peer->txrx_peer->rx_tid[tid]; 4230 4231 qdf_spin_lock_bh(&defrag_rx_tid->defrag_tid_lock); 4232 if (!peer->bss_peer || peer->vdev->opmode == wlan_op_mode_sta) { 4233 /* Cleanup defrag related resource */ 4234 dp_rx_defrag_waitlist_remove(peer->txrx_peer, tid); 4235 dp_rx_reorder_flush_frag(peer->txrx_peer, tid); 4236 } 4237 qdf_spin_unlock_bh(&defrag_rx_tid->defrag_tid_lock); 4238 4239 qdf_spin_lock_bh(&rx_tid->tid_lock); 4240 if (peer->rx_tid[tid].hw_qdesc_vaddr_unaligned) { 4241 dp_rx_tid_delete_wifi3(peer, tid); 4242 4243 tid_delete_mask |= (1 << tid); 4244 } 4245 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4246 } 4247 #ifdef notyet /* See if FW can remove queues as part of peer cleanup */ 4248 if (soc->ol_ops->peer_rx_reorder_queue_remove) { 4249 soc->ol_ops->peer_rx_reorder_queue_remove(soc->ctrl_psoc, 4250 peer->vdev->pdev->pdev_id, 4251 peer->vdev->vdev_id, peer->mac_addr.raw, 4252 tid_delete_mask); 4253 } 4254 #endif 4255 } 4256 4257 /* 4258 * dp_peer_cleanup() – Cleanup peer information 4259 * @vdev: Datapath vdev 4260 * @peer: Datapath peer 4261 * 4262 */ 4263 void dp_peer_cleanup(struct dp_vdev *vdev, struct dp_peer *peer) 4264 { 4265 enum wlan_op_mode vdev_opmode; 4266 uint8_t vdev_mac_addr[QDF_MAC_ADDR_SIZE]; 4267 struct dp_pdev *pdev = vdev->pdev; 4268 struct dp_soc *soc = pdev->soc; 4269 4270 /* save vdev related member in case vdev freed */ 4271 vdev_opmode = vdev->opmode; 4272 4273 if (!IS_MLO_DP_MLD_PEER(peer)) 4274 dp_monitor_peer_tx_cleanup(vdev, peer); 4275 4276 if (vdev_opmode != wlan_op_mode_monitor) 4277 /* cleanup the Rx reorder queues for this peer */ 4278 dp_peer_rx_cleanup(vdev, peer); 4279 4280 dp_peer_rx_tids_destroy(peer); 4281 4282 if (IS_MLO_DP_LINK_PEER(peer)) 4283 dp_link_peer_del_mld_peer(peer); 4284 if (IS_MLO_DP_MLD_PEER(peer)) 4285 dp_mld_peer_deinit_link_peers_info(peer); 4286 4287 qdf_mem_copy(vdev_mac_addr, vdev->mac_addr.raw, 4288 QDF_MAC_ADDR_SIZE); 4289 4290 if (soc->cdp_soc.ol_ops->peer_unref_delete) 4291 soc->cdp_soc.ol_ops->peer_unref_delete( 4292 soc->ctrl_psoc, 4293 vdev->pdev->pdev_id, 4294 peer->mac_addr.raw, vdev_mac_addr, 4295 vdev_opmode); 4296 } 4297 4298 /* dp_teardown_256_ba_session() - Teardown sessions using 256 4299 * window size when a request with 4300 * 64 window size is received. 4301 * This is done as a WAR since HW can 4302 * have only one setting per peer (64 or 256). 4303 * For HKv2, we use per tid buffersize setting 4304 * for 0 to per_tid_basize_max_tid. For tid 4305 * more than per_tid_basize_max_tid we use HKv1 4306 * method. 4307 * @peer: Datapath peer 4308 * 4309 * Return: void 4310 */ 4311 static void dp_teardown_256_ba_sessions(struct dp_peer *peer) 4312 { 4313 uint8_t delba_rcode = 0; 4314 int tid; 4315 struct dp_rx_tid *rx_tid = NULL; 4316 4317 tid = peer->vdev->pdev->soc->per_tid_basize_max_tid; 4318 for (; tid < DP_MAX_TIDS; tid++) { 4319 rx_tid = &peer->rx_tid[tid]; 4320 qdf_spin_lock_bh(&rx_tid->tid_lock); 4321 4322 if (rx_tid->ba_win_size <= 64) { 4323 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4324 continue; 4325 } else { 4326 if (rx_tid->ba_status == DP_RX_BA_ACTIVE || 4327 rx_tid->ba_status == DP_RX_BA_IN_PROGRESS) { 4328 /* send delba */ 4329 if (!rx_tid->delba_tx_status) { 4330 rx_tid->delba_tx_retry++; 4331 rx_tid->delba_tx_status = 1; 4332 rx_tid->delba_rcode = 4333 IEEE80211_REASON_QOS_SETUP_REQUIRED; 4334 delba_rcode = rx_tid->delba_rcode; 4335 4336 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4337 if (peer->vdev->pdev->soc->cdp_soc.ol_ops->send_delba) 4338 peer->vdev->pdev->soc->cdp_soc.ol_ops->send_delba( 4339 peer->vdev->pdev->soc->ctrl_psoc, 4340 peer->vdev->vdev_id, 4341 peer->mac_addr.raw, 4342 tid, delba_rcode, 4343 CDP_DELBA_REASON_NONE); 4344 } else { 4345 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4346 } 4347 } else { 4348 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4349 } 4350 } 4351 } 4352 } 4353 4354 /* 4355 * dp_rx_addba_resp_tx_completion_wifi3() – Update Rx Tid State 4356 * 4357 * @soc: Datapath soc handle 4358 * @peer_mac: Datapath peer mac address 4359 * @vdev_id: id of atapath vdev 4360 * @tid: TID number 4361 * @status: tx completion status 4362 * Return: 0 on success, error code on failure 4363 */ 4364 int dp_addba_resp_tx_completion_wifi3(struct cdp_soc_t *cdp_soc, 4365 uint8_t *peer_mac, 4366 uint16_t vdev_id, 4367 uint8_t tid, int status) 4368 { 4369 struct dp_peer *peer = dp_peer_get_tgt_peer_hash_find( 4370 (struct dp_soc *)cdp_soc, 4371 peer_mac, 0, vdev_id, 4372 DP_MOD_ID_CDP); 4373 struct dp_rx_tid *rx_tid = NULL; 4374 4375 if (!peer) { 4376 dp_peer_debug("%pK: Peer is NULL!\n", cdp_soc); 4377 goto fail; 4378 } 4379 rx_tid = &peer->rx_tid[tid]; 4380 qdf_spin_lock_bh(&rx_tid->tid_lock); 4381 if (status) { 4382 rx_tid->num_addba_rsp_failed++; 4383 if (rx_tid->hw_qdesc_vaddr_unaligned) 4384 dp_rx_tid_update_wifi3(peer, tid, 1, 4385 IEEE80211_SEQ_MAX, false); 4386 rx_tid->ba_status = DP_RX_BA_INACTIVE; 4387 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4388 dp_err("RxTid- %d addba rsp tx completion failed", tid); 4389 4390 goto success; 4391 } 4392 4393 rx_tid->num_addba_rsp_success++; 4394 if (rx_tid->ba_status == DP_RX_BA_INACTIVE) { 4395 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4396 dp_peer_err("%pK: Rx Tid- %d hw qdesc is not in IN_PROGRESS", 4397 cdp_soc, tid); 4398 goto fail; 4399 } 4400 4401 if (!qdf_atomic_read(&peer->is_default_route_set)) { 4402 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4403 dp_peer_debug("%pK: default route is not set for peer: " QDF_MAC_ADDR_FMT, 4404 cdp_soc, QDF_MAC_ADDR_REF(peer->mac_addr.raw)); 4405 goto fail; 4406 } 4407 4408 if (dp_rx_tid_update_wifi3(peer, tid, 4409 rx_tid->ba_win_size, 4410 rx_tid->startseqnum, 4411 false)) { 4412 dp_err("Failed update REO SSN"); 4413 } 4414 4415 dp_info("tid %u window_size %u start_seq_num %u", 4416 tid, rx_tid->ba_win_size, 4417 rx_tid->startseqnum); 4418 4419 /* First Session */ 4420 if (peer->active_ba_session_cnt == 0) { 4421 if (rx_tid->ba_win_size > 64 && rx_tid->ba_win_size <= 256) 4422 peer->hw_buffer_size = 256; 4423 else if (rx_tid->ba_win_size <= 1024 && 4424 rx_tid->ba_win_size > 256) 4425 peer->hw_buffer_size = 1024; 4426 else 4427 peer->hw_buffer_size = 64; 4428 } 4429 4430 rx_tid->ba_status = DP_RX_BA_ACTIVE; 4431 4432 peer->active_ba_session_cnt++; 4433 4434 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4435 4436 /* Kill any session having 256 buffer size 4437 * when 64 buffer size request is received. 4438 * Also, latch on to 64 as new buffer size. 4439 */ 4440 if (peer->kill_256_sessions) { 4441 dp_teardown_256_ba_sessions(peer); 4442 peer->kill_256_sessions = 0; 4443 } 4444 4445 success: 4446 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 4447 return QDF_STATUS_SUCCESS; 4448 4449 fail: 4450 if (peer) 4451 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 4452 4453 return QDF_STATUS_E_FAILURE; 4454 } 4455 4456 /* 4457 * dp_rx_addba_responsesetup_wifi3() – Process ADDBA request from peer 4458 * 4459 * @soc: Datapath soc handle 4460 * @peer_mac: Datapath peer mac address 4461 * @vdev_id: id of atapath vdev 4462 * @tid: TID number 4463 * @dialogtoken: output dialogtoken 4464 * @statuscode: output dialogtoken 4465 * @buffersize: Output BA window size 4466 * @batimeout: Output BA timeout 4467 */ 4468 QDF_STATUS 4469 dp_addba_responsesetup_wifi3(struct cdp_soc_t *cdp_soc, uint8_t *peer_mac, 4470 uint16_t vdev_id, uint8_t tid, 4471 uint8_t *dialogtoken, uint16_t *statuscode, 4472 uint16_t *buffersize, uint16_t *batimeout) 4473 { 4474 struct dp_rx_tid *rx_tid = NULL; 4475 QDF_STATUS status = QDF_STATUS_SUCCESS; 4476 struct dp_peer *peer = dp_peer_find_hash_find((struct dp_soc *)cdp_soc, 4477 peer_mac, 0, vdev_id, 4478 DP_MOD_ID_CDP); 4479 4480 if (!peer) { 4481 dp_peer_debug("%pK: Peer is NULL!\n", cdp_soc); 4482 return QDF_STATUS_E_FAILURE; 4483 } 4484 rx_tid = &peer->rx_tid[tid]; 4485 qdf_spin_lock_bh(&rx_tid->tid_lock); 4486 rx_tid->num_of_addba_resp++; 4487 /* setup ADDBA response parameters */ 4488 *dialogtoken = rx_tid->dialogtoken; 4489 *statuscode = rx_tid->statuscode; 4490 *buffersize = rx_tid->ba_win_size; 4491 *batimeout = 0; 4492 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4493 4494 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 4495 4496 return status; 4497 } 4498 4499 /* dp_check_ba_buffersize() - Check buffer size in request 4500 * and latch onto this size based on 4501 * size used in first active session. 4502 * @peer: Datapath peer 4503 * @tid: Tid 4504 * @buffersize: Block ack window size 4505 * 4506 * Return: void 4507 */ 4508 static void dp_check_ba_buffersize(struct dp_peer *peer, 4509 uint16_t tid, 4510 uint16_t buffersize) 4511 { 4512 struct dp_rx_tid *rx_tid = NULL; 4513 struct dp_soc *soc = peer->vdev->pdev->soc; 4514 uint16_t max_ba_window; 4515 4516 max_ba_window = hal_get_rx_max_ba_window(soc->hal_soc, tid); 4517 dp_info("Input buffersize %d, max dp allowed %d", 4518 buffersize, max_ba_window); 4519 /* Adjust BA window size, restrict it to max DP allowed */ 4520 buffersize = QDF_MIN(buffersize, max_ba_window); 4521 4522 dp_info(QDF_MAC_ADDR_FMT" per_tid_basize_max_tid %d tid %d buffersize %d hw_buffer_size %d", 4523 peer->mac_addr.raw, 4524 soc->per_tid_basize_max_tid, tid, buffersize, 4525 peer->hw_buffer_size); 4526 4527 rx_tid = &peer->rx_tid[tid]; 4528 if (soc->per_tid_basize_max_tid && 4529 tid < soc->per_tid_basize_max_tid) { 4530 rx_tid->ba_win_size = buffersize; 4531 goto out; 4532 } else { 4533 if (peer->active_ba_session_cnt == 0) { 4534 rx_tid->ba_win_size = buffersize; 4535 } else { 4536 if (peer->hw_buffer_size == 64) { 4537 if (buffersize <= 64) 4538 rx_tid->ba_win_size = buffersize; 4539 else 4540 rx_tid->ba_win_size = peer->hw_buffer_size; 4541 } else if (peer->hw_buffer_size == 256) { 4542 if (buffersize > 64) { 4543 rx_tid->ba_win_size = buffersize; 4544 } else { 4545 rx_tid->ba_win_size = buffersize; 4546 peer->hw_buffer_size = 64; 4547 peer->kill_256_sessions = 1; 4548 } 4549 } else if (buffersize <= 1024) { 4550 /** 4551 * Above checks are only for HK V2 4552 * Set incoming buffer size for others 4553 */ 4554 rx_tid->ba_win_size = buffersize; 4555 } else { 4556 dp_err("Invalid buffer size %d", buffersize); 4557 qdf_assert_always(0); 4558 } 4559 } 4560 } 4561 4562 out: 4563 dp_info("rx_tid->ba_win_size %d peer->hw_buffer_size %d peer->kill_256_sessions %d", 4564 rx_tid->ba_win_size, 4565 peer->hw_buffer_size, 4566 peer->kill_256_sessions); 4567 } 4568 4569 QDF_STATUS dp_rx_tid_update_ba_win_size(struct cdp_soc_t *cdp_soc, 4570 uint8_t *peer_mac, uint16_t vdev_id, 4571 uint8_t tid, uint16_t buffersize) 4572 { 4573 struct dp_rx_tid *rx_tid = NULL; 4574 struct dp_peer *peer; 4575 4576 peer = dp_peer_get_tgt_peer_hash_find((struct dp_soc *)cdp_soc, 4577 peer_mac, 0, vdev_id, 4578 DP_MOD_ID_CDP); 4579 if (!peer) { 4580 dp_peer_debug("%pK: Peer is NULL!\n", cdp_soc); 4581 return QDF_STATUS_E_FAILURE; 4582 } 4583 4584 rx_tid = &peer->rx_tid[tid]; 4585 4586 qdf_spin_lock_bh(&rx_tid->tid_lock); 4587 rx_tid->ba_win_size = buffersize; 4588 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4589 4590 dp_info("peer "QDF_MAC_ADDR_FMT", tid %d, update BA win size to %d", 4591 QDF_MAC_ADDR_REF(peer->mac_addr.raw), tid, buffersize); 4592 4593 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 4594 4595 return QDF_STATUS_SUCCESS; 4596 } 4597 4598 #define DP_RX_BA_SESSION_DISABLE 1 4599 4600 /* 4601 * dp_addba_requestprocess_wifi3() - Process ADDBA request from peer 4602 * 4603 * @soc: Datapath soc handle 4604 * @peer_mac: Datapath peer mac address 4605 * @vdev_id: id of atapath vdev 4606 * @dialogtoken: dialogtoken from ADDBA frame 4607 * @tid: TID number 4608 * @batimeout: BA timeout 4609 * @buffersize: BA window size 4610 * @startseqnum: Start seq. number received in BA sequence control 4611 * 4612 * Return: 0 on success, error code on failure 4613 */ 4614 int dp_addba_requestprocess_wifi3(struct cdp_soc_t *cdp_soc, 4615 uint8_t *peer_mac, 4616 uint16_t vdev_id, 4617 uint8_t dialogtoken, 4618 uint16_t tid, uint16_t batimeout, 4619 uint16_t buffersize, 4620 uint16_t startseqnum) 4621 { 4622 QDF_STATUS status = QDF_STATUS_SUCCESS; 4623 struct dp_rx_tid *rx_tid = NULL; 4624 struct dp_peer *peer; 4625 4626 peer = dp_peer_get_tgt_peer_hash_find((struct dp_soc *)cdp_soc, 4627 peer_mac, 4628 0, vdev_id, 4629 DP_MOD_ID_CDP); 4630 4631 if (!peer) { 4632 dp_peer_debug("%pK: Peer is NULL!\n", cdp_soc); 4633 return QDF_STATUS_E_FAILURE; 4634 } 4635 rx_tid = &peer->rx_tid[tid]; 4636 qdf_spin_lock_bh(&rx_tid->tid_lock); 4637 rx_tid->num_of_addba_req++; 4638 if ((rx_tid->ba_status == DP_RX_BA_ACTIVE && 4639 rx_tid->hw_qdesc_vaddr_unaligned)) { 4640 dp_rx_tid_update_wifi3(peer, tid, 1, IEEE80211_SEQ_MAX, false); 4641 rx_tid->ba_status = DP_RX_BA_INACTIVE; 4642 peer->active_ba_session_cnt--; 4643 dp_peer_debug("%pK: Rx Tid- %d hw qdesc is already setup", 4644 cdp_soc, tid); 4645 } 4646 4647 if (rx_tid->ba_status == DP_RX_BA_IN_PROGRESS) { 4648 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4649 status = QDF_STATUS_E_FAILURE; 4650 goto fail; 4651 } 4652 4653 if (rx_tid->rx_ba_win_size_override == DP_RX_BA_SESSION_DISABLE) { 4654 dp_peer_info("%pK: disable BA session", 4655 cdp_soc); 4656 4657 buffersize = 1; 4658 } else if (rx_tid->rx_ba_win_size_override) { 4659 dp_peer_info("%pK: override BA win to %d", cdp_soc, 4660 rx_tid->rx_ba_win_size_override); 4661 4662 buffersize = rx_tid->rx_ba_win_size_override; 4663 } else { 4664 dp_peer_info("%pK: restore BA win %d based on addba req", cdp_soc, 4665 buffersize); 4666 } 4667 4668 dp_check_ba_buffersize(peer, tid, buffersize); 4669 4670 if (dp_rx_tid_setup_wifi3(peer, tid, 4671 rx_tid->ba_win_size, startseqnum)) { 4672 rx_tid->ba_status = DP_RX_BA_INACTIVE; 4673 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4674 status = QDF_STATUS_E_FAILURE; 4675 goto fail; 4676 } 4677 rx_tid->ba_status = DP_RX_BA_IN_PROGRESS; 4678 4679 rx_tid->dialogtoken = dialogtoken; 4680 rx_tid->startseqnum = startseqnum; 4681 4682 if (rx_tid->userstatuscode != IEEE80211_STATUS_SUCCESS) 4683 rx_tid->statuscode = rx_tid->userstatuscode; 4684 else 4685 rx_tid->statuscode = IEEE80211_STATUS_SUCCESS; 4686 4687 if (rx_tid->rx_ba_win_size_override == DP_RX_BA_SESSION_DISABLE) 4688 rx_tid->statuscode = IEEE80211_STATUS_REFUSED; 4689 4690 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4691 4692 fail: 4693 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 4694 4695 return status; 4696 } 4697 4698 /* 4699 * dp_set_addba_response() – Set a user defined ADDBA response status code 4700 * 4701 * @soc: Datapath soc handle 4702 * @peer_mac: Datapath peer mac address 4703 * @vdev_id: id of atapath vdev 4704 * @tid: TID number 4705 * @statuscode: response status code to be set 4706 */ 4707 QDF_STATUS 4708 dp_set_addba_response(struct cdp_soc_t *cdp_soc, uint8_t *peer_mac, 4709 uint16_t vdev_id, uint8_t tid, uint16_t statuscode) 4710 { 4711 struct dp_peer *peer = dp_peer_get_tgt_peer_hash_find( 4712 (struct dp_soc *)cdp_soc, 4713 peer_mac, 0, vdev_id, 4714 DP_MOD_ID_CDP); 4715 struct dp_rx_tid *rx_tid; 4716 4717 if (!peer) { 4718 dp_peer_debug("%pK: Peer is NULL!\n", cdp_soc); 4719 return QDF_STATUS_E_FAILURE; 4720 } 4721 4722 rx_tid = &peer->rx_tid[tid]; 4723 qdf_spin_lock_bh(&rx_tid->tid_lock); 4724 rx_tid->userstatuscode = statuscode; 4725 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4726 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 4727 4728 return QDF_STATUS_SUCCESS; 4729 } 4730 4731 /* 4732 * dp_rx_delba_process_wifi3() – Process DELBA from peer 4733 * @soc: Datapath soc handle 4734 * @peer_mac: Datapath peer mac address 4735 * @vdev_id: id of atapath vdev 4736 * @tid: TID number 4737 * @reasoncode: Reason code received in DELBA frame 4738 * 4739 * Return: 0 on success, error code on failure 4740 */ 4741 int dp_delba_process_wifi3(struct cdp_soc_t *cdp_soc, uint8_t *peer_mac, 4742 uint16_t vdev_id, int tid, uint16_t reasoncode) 4743 { 4744 QDF_STATUS status = QDF_STATUS_SUCCESS; 4745 struct dp_rx_tid *rx_tid; 4746 struct dp_peer *peer = dp_peer_get_tgt_peer_hash_find( 4747 (struct dp_soc *)cdp_soc, 4748 peer_mac, 0, vdev_id, 4749 DP_MOD_ID_CDP); 4750 4751 if (!peer) { 4752 dp_peer_debug("%pK: Peer is NULL!\n", cdp_soc); 4753 return QDF_STATUS_E_FAILURE; 4754 } 4755 rx_tid = &peer->rx_tid[tid]; 4756 qdf_spin_lock_bh(&rx_tid->tid_lock); 4757 if (rx_tid->ba_status == DP_RX_BA_INACTIVE || 4758 rx_tid->ba_status == DP_RX_BA_IN_PROGRESS) { 4759 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4760 status = QDF_STATUS_E_FAILURE; 4761 goto fail; 4762 } 4763 /* TODO: See if we can delete the existing REO queue descriptor and 4764 * replace with a new one without queue extenstion descript to save 4765 * memory 4766 */ 4767 rx_tid->delba_rcode = reasoncode; 4768 rx_tid->num_of_delba_req++; 4769 dp_rx_tid_update_wifi3(peer, tid, 1, IEEE80211_SEQ_MAX, false); 4770 4771 rx_tid->ba_status = DP_RX_BA_INACTIVE; 4772 peer->active_ba_session_cnt--; 4773 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4774 fail: 4775 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 4776 4777 return status; 4778 } 4779 4780 /* 4781 * dp_rx_delba_tx_completion_wifi3() – Send Delba Request 4782 * 4783 * @soc: Datapath soc handle 4784 * @peer_mac: Datapath peer mac address 4785 * @vdev_id: id of atapath vdev 4786 * @tid: TID number 4787 * @status: tx completion status 4788 * Return: 0 on success, error code on failure 4789 */ 4790 4791 int dp_delba_tx_completion_wifi3(struct cdp_soc_t *cdp_soc, uint8_t *peer_mac, 4792 uint16_t vdev_id, 4793 uint8_t tid, int status) 4794 { 4795 QDF_STATUS ret = QDF_STATUS_SUCCESS; 4796 struct dp_rx_tid *rx_tid = NULL; 4797 struct dp_peer *peer = dp_peer_get_tgt_peer_hash_find( 4798 (struct dp_soc *)cdp_soc, 4799 peer_mac, 0, vdev_id, 4800 DP_MOD_ID_CDP); 4801 4802 if (!peer) { 4803 dp_peer_debug("%pK: Peer is NULL!", cdp_soc); 4804 return QDF_STATUS_E_FAILURE; 4805 } 4806 rx_tid = &peer->rx_tid[tid]; 4807 qdf_spin_lock_bh(&rx_tid->tid_lock); 4808 if (status) { 4809 rx_tid->delba_tx_fail_cnt++; 4810 if (rx_tid->delba_tx_retry >= DP_MAX_DELBA_RETRY) { 4811 rx_tid->delba_tx_retry = 0; 4812 rx_tid->delba_tx_status = 0; 4813 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4814 } else { 4815 rx_tid->delba_tx_retry++; 4816 rx_tid->delba_tx_status = 1; 4817 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4818 if (peer->vdev->pdev->soc->cdp_soc.ol_ops->send_delba) 4819 peer->vdev->pdev->soc->cdp_soc.ol_ops->send_delba( 4820 peer->vdev->pdev->soc->ctrl_psoc, 4821 peer->vdev->vdev_id, 4822 peer->mac_addr.raw, tid, 4823 rx_tid->delba_rcode, 4824 CDP_DELBA_REASON_NONE); 4825 } 4826 goto end; 4827 } else { 4828 rx_tid->delba_tx_success_cnt++; 4829 rx_tid->delba_tx_retry = 0; 4830 rx_tid->delba_tx_status = 0; 4831 } 4832 if (rx_tid->ba_status == DP_RX_BA_ACTIVE) { 4833 dp_rx_tid_update_wifi3(peer, tid, 1, IEEE80211_SEQ_MAX, false); 4834 rx_tid->ba_status = DP_RX_BA_INACTIVE; 4835 peer->active_ba_session_cnt--; 4836 } 4837 if (rx_tid->ba_status == DP_RX_BA_IN_PROGRESS) { 4838 dp_rx_tid_update_wifi3(peer, tid, 1, IEEE80211_SEQ_MAX, false); 4839 rx_tid->ba_status = DP_RX_BA_INACTIVE; 4840 } 4841 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4842 4843 end: 4844 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 4845 4846 return ret; 4847 } 4848 4849 /** 4850 * dp_set_pn_check_wifi3() - enable PN check in REO for security 4851 * @soc: Datapath soc handle 4852 * @peer_mac: Datapath peer mac address 4853 * @vdev_id: id of atapath vdev 4854 * @vdev: Datapath vdev 4855 * @pdev - data path device instance 4856 * @sec_type - security type 4857 * @rx_pn - Receive pn starting number 4858 * 4859 */ 4860 4861 QDF_STATUS 4862 dp_set_pn_check_wifi3(struct cdp_soc_t *soc, uint8_t vdev_id, 4863 uint8_t *peer_mac, enum cdp_sec_type sec_type, 4864 uint32_t *rx_pn) 4865 { 4866 struct dp_pdev *pdev; 4867 int i; 4868 uint8_t pn_size; 4869 struct hal_reo_cmd_params params; 4870 struct dp_peer *peer = NULL; 4871 struct dp_vdev *vdev = NULL; 4872 4873 peer = dp_peer_find_hash_find((struct dp_soc *)soc, 4874 peer_mac, 0, vdev_id, 4875 DP_MOD_ID_CDP); 4876 4877 if (!peer) { 4878 dp_peer_debug("%pK: Peer is NULL!\n", soc); 4879 return QDF_STATUS_E_FAILURE; 4880 } 4881 4882 vdev = peer->vdev; 4883 4884 if (!vdev) { 4885 dp_peer_debug("%pK: VDEV is NULL!\n", soc); 4886 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 4887 return QDF_STATUS_E_FAILURE; 4888 } 4889 4890 pdev = vdev->pdev; 4891 qdf_mem_zero(¶ms, sizeof(params)); 4892 4893 params.std.need_status = 1; 4894 params.u.upd_queue_params.update_pn_valid = 1; 4895 params.u.upd_queue_params.update_pn_size = 1; 4896 params.u.upd_queue_params.update_pn = 1; 4897 params.u.upd_queue_params.update_pn_check_needed = 1; 4898 params.u.upd_queue_params.update_svld = 1; 4899 params.u.upd_queue_params.svld = 0; 4900 4901 switch (sec_type) { 4902 case cdp_sec_type_tkip_nomic: 4903 case cdp_sec_type_aes_ccmp: 4904 case cdp_sec_type_aes_ccmp_256: 4905 case cdp_sec_type_aes_gcmp: 4906 case cdp_sec_type_aes_gcmp_256: 4907 params.u.upd_queue_params.pn_check_needed = 1; 4908 params.u.upd_queue_params.pn_size = PN_SIZE_48; 4909 pn_size = 48; 4910 break; 4911 case cdp_sec_type_wapi: 4912 params.u.upd_queue_params.pn_check_needed = 1; 4913 params.u.upd_queue_params.pn_size = PN_SIZE_128; 4914 pn_size = 128; 4915 if (vdev->opmode == wlan_op_mode_ap) { 4916 params.u.upd_queue_params.pn_even = 1; 4917 params.u.upd_queue_params.update_pn_even = 1; 4918 } else { 4919 params.u.upd_queue_params.pn_uneven = 1; 4920 params.u.upd_queue_params.update_pn_uneven = 1; 4921 } 4922 break; 4923 default: 4924 params.u.upd_queue_params.pn_check_needed = 0; 4925 pn_size = 0; 4926 break; 4927 } 4928 4929 4930 for (i = 0; i < DP_MAX_TIDS; i++) { 4931 struct dp_rx_tid *rx_tid = &peer->rx_tid[i]; 4932 qdf_spin_lock_bh(&rx_tid->tid_lock); 4933 if (rx_tid->hw_qdesc_vaddr_unaligned) { 4934 params.std.addr_lo = 4935 rx_tid->hw_qdesc_paddr & 0xffffffff; 4936 params.std.addr_hi = 4937 (uint64_t)(rx_tid->hw_qdesc_paddr) >> 32; 4938 4939 if (pn_size) { 4940 dp_peer_info("%pK: PN set for TID:%d pn:%x:%x:%x:%x", 4941 soc, i, rx_pn[3], rx_pn[2], 4942 rx_pn[1], rx_pn[0]); 4943 params.u.upd_queue_params.update_pn_valid = 1; 4944 params.u.upd_queue_params.pn_31_0 = rx_pn[0]; 4945 params.u.upd_queue_params.pn_63_32 = rx_pn[1]; 4946 params.u.upd_queue_params.pn_95_64 = rx_pn[2]; 4947 params.u.upd_queue_params.pn_127_96 = rx_pn[3]; 4948 } 4949 rx_tid->pn_size = pn_size; 4950 if (dp_reo_send_cmd(cdp_soc_t_to_dp_soc(soc), 4951 CMD_UPDATE_RX_REO_QUEUE, 4952 ¶ms, dp_rx_tid_update_cb, 4953 rx_tid)) { 4954 dp_err_log("fail to send CMD_UPDATE_RX_REO_QUEUE" 4955 "tid %d desc %pK", rx_tid->tid, 4956 (void *)(rx_tid->hw_qdesc_paddr)); 4957 DP_STATS_INC(cdp_soc_t_to_dp_soc(soc), 4958 rx.err.reo_cmd_send_fail, 1); 4959 } 4960 } else { 4961 dp_peer_info("%pK: PN Check not setup for TID :%d ", soc, i); 4962 } 4963 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4964 } 4965 4966 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 4967 4968 return QDF_STATUS_SUCCESS; 4969 } 4970 4971 4972 /** 4973 * dp_set_key_sec_type_wifi3() - set security mode of key 4974 * @soc: Datapath soc handle 4975 * @peer_mac: Datapath peer mac address 4976 * @vdev_id: id of atapath vdev 4977 * @vdev: Datapath vdev 4978 * @pdev - data path device instance 4979 * @sec_type - security type 4980 * #is_unicast - key type 4981 * 4982 */ 4983 4984 QDF_STATUS 4985 dp_set_key_sec_type_wifi3(struct cdp_soc_t *soc, uint8_t vdev_id, 4986 uint8_t *peer_mac, enum cdp_sec_type sec_type, 4987 bool is_unicast) 4988 { 4989 struct dp_peer *peer = 4990 dp_peer_get_tgt_peer_hash_find((struct dp_soc *)soc, 4991 peer_mac, 0, vdev_id, 4992 DP_MOD_ID_CDP); 4993 int sec_index; 4994 4995 if (!peer) { 4996 dp_peer_debug("%pK: Peer is NULL!\n", soc); 4997 return QDF_STATUS_E_FAILURE; 4998 } 4999 5000 if (!peer->txrx_peer) { 5001 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5002 dp_peer_debug("%pK: txrx peer is NULL!\n", soc); 5003 return QDF_STATUS_E_FAILURE; 5004 } 5005 5006 dp_peer_info("%pK: key sec spec for peer %pK " QDF_MAC_ADDR_FMT ": %s key of type %d", 5007 soc, peer, QDF_MAC_ADDR_REF(peer->mac_addr.raw), 5008 is_unicast ? "ucast" : "mcast", sec_type); 5009 5010 sec_index = is_unicast ? dp_sec_ucast : dp_sec_mcast; 5011 peer->txrx_peer->security[sec_index].sec_type = sec_type; 5012 5013 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5014 5015 return QDF_STATUS_SUCCESS; 5016 } 5017 5018 void 5019 dp_rx_sec_ind_handler(struct dp_soc *soc, uint16_t peer_id, 5020 enum cdp_sec_type sec_type, int is_unicast, 5021 u_int32_t *michael_key, 5022 u_int32_t *rx_pn) 5023 { 5024 struct dp_peer *peer; 5025 struct dp_txrx_peer *txrx_peer; 5026 int sec_index; 5027 5028 peer = dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_HTT); 5029 if (!peer) { 5030 dp_peer_err("Couldn't find peer from ID %d - skipping security inits", 5031 peer_id); 5032 return; 5033 } 5034 txrx_peer = dp_get_txrx_peer(peer); 5035 if (!txrx_peer) { 5036 dp_peer_err("Couldn't find txrx peer from ID %d - skipping security inits", 5037 peer_id); 5038 return; 5039 } 5040 5041 dp_peer_info("%pK: sec spec for peer %pK " QDF_MAC_ADDR_FMT ": %s key of type %d", 5042 soc, peer, QDF_MAC_ADDR_REF(peer->mac_addr.raw), 5043 is_unicast ? "ucast" : "mcast", sec_type); 5044 sec_index = is_unicast ? dp_sec_ucast : dp_sec_mcast; 5045 5046 peer->txrx_peer->security[sec_index].sec_type = sec_type; 5047 #ifdef notyet /* TODO: See if this is required for defrag support */ 5048 /* michael key only valid for TKIP, but for simplicity, 5049 * copy it anyway 5050 */ 5051 qdf_mem_copy( 5052 &peer->txrx_peer->security[sec_index].michael_key[0], 5053 michael_key, 5054 sizeof(peer->txrx_peer->security[sec_index].michael_key)); 5055 #ifdef BIG_ENDIAN_HOST 5056 OL_IF_SWAPBO(peer->txrx_peer->security[sec_index].michael_key[0], 5057 sizeof(peer->txrx_peer->security[sec_index].michael_key)); 5058 #endif /* BIG_ENDIAN_HOST */ 5059 #endif 5060 5061 #ifdef notyet /* TODO: Check if this is required for wifi3.0 */ 5062 if (sec_type != cdp_sec_type_wapi) { 5063 qdf_mem_zero(peer->tids_last_pn_valid, _EXT_TIDS); 5064 } else { 5065 for (i = 0; i < DP_MAX_TIDS; i++) { 5066 /* 5067 * Setting PN valid bit for WAPI sec_type, 5068 * since WAPI PN has to be started with predefined value 5069 */ 5070 peer->tids_last_pn_valid[i] = 1; 5071 qdf_mem_copy( 5072 (u_int8_t *) &peer->tids_last_pn[i], 5073 (u_int8_t *) rx_pn, sizeof(union htt_rx_pn_t)); 5074 peer->tids_last_pn[i].pn128[1] = 5075 qdf_cpu_to_le64(peer->tids_last_pn[i].pn128[1]); 5076 peer->tids_last_pn[i].pn128[0] = 5077 qdf_cpu_to_le64(peer->tids_last_pn[i].pn128[0]); 5078 } 5079 } 5080 #endif 5081 /* TODO: Update HW TID queue with PN check parameters (pn type for 5082 * all security types and last pn for WAPI) once REO command API 5083 * is available 5084 */ 5085 5086 dp_peer_unref_delete(peer, DP_MOD_ID_HTT); 5087 } 5088 5089 #ifdef QCA_PEER_EXT_STATS 5090 /* 5091 * dp_peer_delay_stats_ctx_alloc() - Allocate peer delay 5092 * stats content 5093 * @soc: DP SoC context 5094 * @txrx_peer: DP txrx peer context 5095 * 5096 * Allocate the peer delay stats context 5097 * 5098 * Return: QDF_STATUS_SUCCESS if allocation is 5099 * successful 5100 */ 5101 QDF_STATUS dp_peer_delay_stats_ctx_alloc(struct dp_soc *soc, 5102 struct dp_txrx_peer *txrx_peer) 5103 { 5104 uint8_t tid, ctx_id; 5105 5106 if (!soc || !txrx_peer) { 5107 dp_warn("Null soc%pK or peer%pK", soc, txrx_peer); 5108 return QDF_STATUS_E_INVAL; 5109 } 5110 5111 if (!wlan_cfg_is_peer_ext_stats_enabled(soc->wlan_cfg_ctx)) 5112 return QDF_STATUS_SUCCESS; 5113 5114 /* 5115 * Allocate memory for peer extended stats. 5116 */ 5117 txrx_peer->delay_stats = 5118 qdf_mem_malloc(sizeof(struct dp_peer_delay_stats)); 5119 if (!txrx_peer->delay_stats) { 5120 dp_err("Peer extended stats obj alloc failed!!"); 5121 return QDF_STATUS_E_NOMEM; 5122 } 5123 5124 for (tid = 0; tid < CDP_MAX_DATA_TIDS; tid++) { 5125 for (ctx_id = 0; ctx_id < CDP_MAX_TXRX_CTX; ctx_id++) { 5126 struct cdp_delay_tx_stats *tx_delay = 5127 &txrx_peer->delay_stats->delay_tid_stats[tid][ctx_id].tx_delay; 5128 struct cdp_delay_rx_stats *rx_delay = 5129 &txrx_peer->delay_stats->delay_tid_stats[tid][ctx_id].rx_delay; 5130 5131 dp_hist_init(&tx_delay->tx_swq_delay, 5132 CDP_HIST_TYPE_SW_ENQEUE_DELAY); 5133 dp_hist_init(&tx_delay->hwtx_delay, 5134 CDP_HIST_TYPE_HW_COMP_DELAY); 5135 dp_hist_init(&rx_delay->to_stack_delay, 5136 CDP_HIST_TYPE_REAP_STACK); 5137 } 5138 } 5139 5140 return QDF_STATUS_SUCCESS; 5141 } 5142 5143 /* 5144 * dp_peer_delay_stats_ctx_dealloc() - Dealloc the peer delay stats context 5145 * @txrx_peer: txrx DP peer context 5146 * 5147 * Free the peer delay stats context 5148 * 5149 * Return: Void 5150 */ 5151 void dp_peer_delay_stats_ctx_dealloc(struct dp_soc *soc, 5152 struct dp_txrx_peer *txrx_peer) 5153 { 5154 if (!txrx_peer) { 5155 dp_warn("peer_ext dealloc failed due to NULL peer object"); 5156 return; 5157 } 5158 5159 if (!wlan_cfg_is_peer_ext_stats_enabled(soc->wlan_cfg_ctx)) 5160 return; 5161 5162 if (!txrx_peer->delay_stats) 5163 return; 5164 5165 qdf_mem_free(txrx_peer->delay_stats); 5166 txrx_peer->delay_stats = NULL; 5167 } 5168 5169 /** 5170 * dp_peer_delay_stats_ctx_clr() - Clear delay stats context of peer 5171 * 5172 * @txrx_peer: dp_txrx_peer handle 5173 * 5174 * Return: void 5175 */ 5176 void dp_peer_delay_stats_ctx_clr(struct dp_txrx_peer *txrx_peer) 5177 { 5178 if (txrx_peer->delay_stats) 5179 qdf_mem_zero(txrx_peer->delay_stats, 5180 sizeof(struct dp_peer_delay_stats)); 5181 } 5182 #endif 5183 5184 #ifdef WLAN_PEER_JITTER 5185 /** 5186 * dp_peer_jitter_stats_ctx_alloc() - Allocate jitter stats context for peer 5187 * 5188 * @soc: Datapath pdev handle 5189 * @txrx_peer: dp_txrx_peer handle 5190 * 5191 * Return: QDF_STATUS 5192 */ 5193 QDF_STATUS dp_peer_jitter_stats_ctx_alloc(struct dp_pdev *pdev, 5194 struct dp_txrx_peer *txrx_peer) 5195 { 5196 if (!pdev || !txrx_peer) { 5197 dp_warn("Null pdev or peer"); 5198 return QDF_STATUS_E_INVAL; 5199 } 5200 5201 /* 5202 * Allocate memory for jitter stats only when 5203 * operating in offload enabled mode. 5204 */ 5205 if (!wlan_cfg_get_dp_pdev_nss_enabled(pdev->wlan_cfg_ctx)) 5206 return QDF_STATUS_SUCCESS; 5207 5208 txrx_peer->jitter_stats = 5209 qdf_mem_malloc(sizeof(struct cdp_peer_tid_stats) * DP_MAX_TIDS); 5210 if (!txrx_peer->jitter_stats) { 5211 dp_warn("Jitter stats obj alloc failed!!"); 5212 return QDF_STATUS_E_NOMEM; 5213 } 5214 5215 return QDF_STATUS_SUCCESS; 5216 } 5217 5218 /** 5219 * dp_peer_jitter_stats_ctx_dealloc() - Deallocate jitter stats context 5220 * 5221 * @pdev: Datapath pdev handle 5222 * @txrx_peer: dp_txrx_peer handle 5223 * 5224 * Return: void 5225 */ 5226 void dp_peer_jitter_stats_ctx_dealloc(struct dp_pdev *pdev, 5227 struct dp_txrx_peer *txrx_peer) 5228 { 5229 if (!pdev || !txrx_peer) { 5230 dp_warn("Null pdev or peer"); 5231 return; 5232 } 5233 5234 /* Check for offload mode */ 5235 if (!wlan_cfg_get_dp_pdev_nss_enabled(pdev->wlan_cfg_ctx)) 5236 return; 5237 5238 if (txrx_peer->jitter_stats) { 5239 qdf_mem_free(txrx_peer->jitter_stats); 5240 txrx_peer->jitter_stats = NULL; 5241 } 5242 } 5243 5244 /** 5245 * dp_peer_jitter_stats_ctx_clr() - Clear jitter stats context of peer 5246 * 5247 * @txrx_peer: dp_txrx_peer handle 5248 * 5249 * Return: void 5250 */ 5251 void dp_peer_jitter_stats_ctx_clr(struct dp_txrx_peer *txrx_peer) 5252 { 5253 if (txrx_peer->jitter_stats) 5254 qdf_mem_zero(txrx_peer->jitter_stats, 5255 sizeof(struct cdp_peer_tid_stats) * DP_MAX_TIDS); 5256 } 5257 #endif 5258 5259 QDF_STATUS 5260 dp_rx_delba_ind_handler(void *soc_handle, uint16_t peer_id, 5261 uint8_t tid, uint16_t win_sz) 5262 { 5263 struct dp_soc *soc = (struct dp_soc *)soc_handle; 5264 struct dp_peer *peer; 5265 struct dp_rx_tid *rx_tid; 5266 QDF_STATUS status = QDF_STATUS_SUCCESS; 5267 5268 peer = dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_HTT); 5269 5270 if (!peer) { 5271 dp_peer_err("%pK: Couldn't find peer from ID %d", 5272 soc, peer_id); 5273 return QDF_STATUS_E_FAILURE; 5274 } 5275 5276 qdf_assert_always(tid < DP_MAX_TIDS); 5277 5278 rx_tid = &peer->rx_tid[tid]; 5279 5280 if (rx_tid->hw_qdesc_vaddr_unaligned) { 5281 if (!rx_tid->delba_tx_status) { 5282 dp_peer_info("%pK: PEER_ID: %d TID: %d, BA win: %d ", 5283 soc, peer_id, tid, win_sz); 5284 5285 qdf_spin_lock_bh(&rx_tid->tid_lock); 5286 5287 rx_tid->delba_tx_status = 1; 5288 5289 rx_tid->rx_ba_win_size_override = 5290 qdf_min((uint16_t)63, win_sz); 5291 5292 rx_tid->delba_rcode = 5293 IEEE80211_REASON_QOS_SETUP_REQUIRED; 5294 5295 qdf_spin_unlock_bh(&rx_tid->tid_lock); 5296 5297 if (soc->cdp_soc.ol_ops->send_delba) 5298 soc->cdp_soc.ol_ops->send_delba( 5299 peer->vdev->pdev->soc->ctrl_psoc, 5300 peer->vdev->vdev_id, 5301 peer->mac_addr.raw, 5302 tid, 5303 rx_tid->delba_rcode, 5304 CDP_DELBA_REASON_NONE); 5305 } 5306 } else { 5307 dp_peer_err("%pK: BA session is not setup for TID:%d ", soc, tid); 5308 status = QDF_STATUS_E_FAILURE; 5309 } 5310 5311 dp_peer_unref_delete(peer, DP_MOD_ID_HTT); 5312 5313 return status; 5314 } 5315 5316 #ifdef DP_PEER_EXTENDED_API 5317 /** 5318 * dp_peer_set_bw() - Set bandwidth and mpdu retry count threshold for peer 5319 * @soc: DP soc handle 5320 * @txrx_peer: Core txrx_peer handle 5321 * @set_bw: enum of bandwidth to be set for this peer connection 5322 * 5323 * Return: None 5324 */ 5325 static void dp_peer_set_bw(struct dp_soc *soc, struct dp_txrx_peer *txrx_peer, 5326 enum cdp_peer_bw set_bw) 5327 { 5328 if (!txrx_peer) 5329 return; 5330 5331 txrx_peer->bw = set_bw; 5332 5333 switch (set_bw) { 5334 case CDP_160_MHZ: 5335 case CDP_320_MHZ: 5336 txrx_peer->mpdu_retry_threshold = 5337 soc->wlan_cfg_ctx->mpdu_retry_threshold_2; 5338 break; 5339 case CDP_20_MHZ: 5340 case CDP_40_MHZ: 5341 case CDP_80_MHZ: 5342 default: 5343 txrx_peer->mpdu_retry_threshold = 5344 soc->wlan_cfg_ctx->mpdu_retry_threshold_1; 5345 break; 5346 } 5347 5348 dp_info("Peer id: %u: BW: %u, mpdu retry threshold: %u", 5349 txrx_peer->peer_id, txrx_peer->bw, 5350 txrx_peer->mpdu_retry_threshold); 5351 } 5352 5353 #ifdef WLAN_FEATURE_11BE_MLO 5354 QDF_STATUS dp_register_peer(struct cdp_soc_t *soc_hdl, uint8_t pdev_id, 5355 struct ol_txrx_desc_type *sta_desc) 5356 { 5357 struct dp_peer *peer; 5358 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 5359 5360 peer = dp_peer_find_hash_find(soc, sta_desc->peer_addr.bytes, 5361 0, DP_VDEV_ALL, DP_MOD_ID_CDP); 5362 5363 if (!peer) 5364 return QDF_STATUS_E_FAULT; 5365 5366 qdf_spin_lock_bh(&peer->peer_info_lock); 5367 peer->state = OL_TXRX_PEER_STATE_CONN; 5368 qdf_spin_unlock_bh(&peer->peer_info_lock); 5369 5370 dp_peer_set_bw(soc, peer->txrx_peer, sta_desc->bw); 5371 5372 dp_rx_flush_rx_cached(peer, false); 5373 5374 if (IS_MLO_DP_LINK_PEER(peer) && peer->first_link) { 5375 dp_peer_info("register for mld peer" QDF_MAC_ADDR_FMT, 5376 QDF_MAC_ADDR_REF(peer->mld_peer->mac_addr.raw)); 5377 qdf_spin_lock_bh(&peer->mld_peer->peer_info_lock); 5378 peer->mld_peer->state = peer->state; 5379 qdf_spin_unlock_bh(&peer->mld_peer->peer_info_lock); 5380 dp_rx_flush_rx_cached(peer->mld_peer, false); 5381 } 5382 5383 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5384 5385 return QDF_STATUS_SUCCESS; 5386 } 5387 5388 QDF_STATUS dp_peer_state_update(struct cdp_soc_t *soc_hdl, uint8_t *peer_mac, 5389 enum ol_txrx_peer_state state) 5390 { 5391 struct dp_peer *peer; 5392 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 5393 5394 peer = dp_peer_find_hash_find(soc, peer_mac, 0, DP_VDEV_ALL, 5395 DP_MOD_ID_CDP); 5396 if (!peer) { 5397 dp_peer_err("%pK: Failed to find peer[" QDF_MAC_ADDR_FMT "]", 5398 soc, QDF_MAC_ADDR_REF(peer_mac)); 5399 return QDF_STATUS_E_FAILURE; 5400 } 5401 peer->state = state; 5402 peer->authorize = (state == OL_TXRX_PEER_STATE_AUTH) ? 1 : 0; 5403 5404 if (peer->txrx_peer) 5405 peer->txrx_peer->authorize = peer->authorize; 5406 5407 dp_peer_info("peer" QDF_MAC_ADDR_FMT "state %d", 5408 QDF_MAC_ADDR_REF(peer->mac_addr.raw), 5409 peer->state); 5410 5411 if (IS_MLO_DP_LINK_PEER(peer) && peer->first_link) { 5412 peer->mld_peer->state = peer->state; 5413 peer->mld_peer->txrx_peer->authorize = peer->authorize; 5414 dp_peer_info("mld peer" QDF_MAC_ADDR_FMT "state %d", 5415 QDF_MAC_ADDR_REF(peer->mld_peer->mac_addr.raw), 5416 peer->mld_peer->state); 5417 } 5418 5419 /* ref_cnt is incremented inside dp_peer_find_hash_find(). 5420 * Decrement it here. 5421 */ 5422 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5423 5424 return QDF_STATUS_SUCCESS; 5425 } 5426 #else 5427 QDF_STATUS dp_register_peer(struct cdp_soc_t *soc_hdl, uint8_t pdev_id, 5428 struct ol_txrx_desc_type *sta_desc) 5429 { 5430 struct dp_peer *peer; 5431 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 5432 5433 peer = dp_peer_find_hash_find(soc, sta_desc->peer_addr.bytes, 5434 0, DP_VDEV_ALL, DP_MOD_ID_CDP); 5435 5436 if (!peer) 5437 return QDF_STATUS_E_FAULT; 5438 5439 qdf_spin_lock_bh(&peer->peer_info_lock); 5440 peer->state = OL_TXRX_PEER_STATE_CONN; 5441 qdf_spin_unlock_bh(&peer->peer_info_lock); 5442 5443 dp_peer_set_bw(soc, peer->txrx_peer, sta_desc->bw); 5444 5445 dp_rx_flush_rx_cached(peer, false); 5446 5447 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5448 5449 return QDF_STATUS_SUCCESS; 5450 } 5451 5452 QDF_STATUS dp_peer_state_update(struct cdp_soc_t *soc_hdl, uint8_t *peer_mac, 5453 enum ol_txrx_peer_state state) 5454 { 5455 struct dp_peer *peer; 5456 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 5457 5458 peer = dp_peer_find_hash_find(soc, peer_mac, 0, DP_VDEV_ALL, 5459 DP_MOD_ID_CDP); 5460 if (!peer) { 5461 dp_peer_err("%pK: Failed to find peer for: [" QDF_MAC_ADDR_FMT "]", 5462 soc, QDF_MAC_ADDR_REF(peer_mac)); 5463 return QDF_STATUS_E_FAILURE; 5464 } 5465 peer->state = state; 5466 peer->authorize = (state == OL_TXRX_PEER_STATE_AUTH) ? 1 : 0; 5467 5468 if (peer->txrx_peer) 5469 peer->txrx_peer->authorize = peer->authorize; 5470 5471 dp_info("peer %pK state %d", peer, peer->state); 5472 /* ref_cnt is incremented inside dp_peer_find_hash_find(). 5473 * Decrement it here. 5474 */ 5475 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5476 5477 return QDF_STATUS_SUCCESS; 5478 } 5479 #endif 5480 5481 QDF_STATUS 5482 dp_clear_peer(struct cdp_soc_t *soc_hdl, uint8_t pdev_id, 5483 struct qdf_mac_addr peer_addr) 5484 { 5485 struct dp_peer *peer; 5486 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 5487 5488 peer = dp_peer_find_hash_find(soc, peer_addr.bytes, 5489 0, DP_VDEV_ALL, DP_MOD_ID_CDP); 5490 if (!peer || !peer->valid) 5491 return QDF_STATUS_E_FAULT; 5492 5493 dp_clear_peer_internal(soc, peer); 5494 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5495 return QDF_STATUS_SUCCESS; 5496 } 5497 5498 QDF_STATUS dp_get_vdevid(struct cdp_soc_t *soc_hdl, uint8_t *peer_mac, 5499 uint8_t *vdev_id) 5500 { 5501 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 5502 struct dp_peer *peer = 5503 dp_peer_find_hash_find(soc, peer_mac, 0, DP_VDEV_ALL, 5504 DP_MOD_ID_CDP); 5505 5506 if (!peer) 5507 return QDF_STATUS_E_FAILURE; 5508 5509 dp_info("peer %pK vdev %pK vdev id %d", 5510 peer, peer->vdev, peer->vdev->vdev_id); 5511 *vdev_id = peer->vdev->vdev_id; 5512 /* ref_cnt is incremented inside dp_peer_find_hash_find(). 5513 * Decrement it here. 5514 */ 5515 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5516 5517 return QDF_STATUS_SUCCESS; 5518 } 5519 5520 struct cdp_vdev * 5521 dp_get_vdev_by_peer_addr(struct cdp_pdev *pdev_handle, 5522 struct qdf_mac_addr peer_addr) 5523 { 5524 struct dp_pdev *pdev = (struct dp_pdev *)pdev_handle; 5525 struct dp_peer *peer = NULL; 5526 struct cdp_vdev *vdev = NULL; 5527 5528 if (!pdev) { 5529 dp_peer_info("PDEV not found for peer_addr: " QDF_MAC_ADDR_FMT, 5530 QDF_MAC_ADDR_REF(peer_addr.bytes)); 5531 return NULL; 5532 } 5533 5534 peer = dp_peer_find_hash_find(pdev->soc, peer_addr.bytes, 0, 5535 DP_VDEV_ALL, DP_MOD_ID_CDP); 5536 if (!peer) { 5537 QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_INFO_HIGH, 5538 "PDEV not found for peer_addr: "QDF_MAC_ADDR_FMT, 5539 QDF_MAC_ADDR_REF(peer_addr.bytes)); 5540 return NULL; 5541 } 5542 5543 vdev = (struct cdp_vdev *)peer->vdev; 5544 5545 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5546 return vdev; 5547 } 5548 5549 /** 5550 * dp_get_vdev_for_peer() - Get virtual interface instance which peer belongs 5551 * @peer - peer instance 5552 * 5553 * Get virtual interface instance which peer belongs 5554 * 5555 * Return: virtual interface instance pointer 5556 * NULL in case cannot find 5557 */ 5558 struct cdp_vdev *dp_get_vdev_for_peer(void *peer_handle) 5559 { 5560 struct dp_peer *peer = peer_handle; 5561 5562 DP_TRACE(DEBUG, "peer %pK vdev %pK", peer, peer->vdev); 5563 return (struct cdp_vdev *)peer->vdev; 5564 } 5565 5566 /** 5567 * dp_peer_get_peer_mac_addr() - Get peer mac address 5568 * @peer - peer instance 5569 * 5570 * Get peer mac address 5571 * 5572 * Return: peer mac address pointer 5573 * NULL in case cannot find 5574 */ 5575 uint8_t *dp_peer_get_peer_mac_addr(void *peer_handle) 5576 { 5577 struct dp_peer *peer = peer_handle; 5578 uint8_t *mac; 5579 5580 mac = peer->mac_addr.raw; 5581 dp_info("peer %pK mac 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x", 5582 peer, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); 5583 return peer->mac_addr.raw; 5584 } 5585 5586 int dp_get_peer_state(struct cdp_soc_t *soc_hdl, uint8_t vdev_id, 5587 uint8_t *peer_mac) 5588 { 5589 enum ol_txrx_peer_state peer_state; 5590 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 5591 struct cdp_peer_info peer_info = { 0 }; 5592 struct dp_peer *peer; 5593 struct dp_peer *tgt_peer; 5594 5595 DP_PEER_INFO_PARAMS_INIT(&peer_info, vdev_id, peer_mac, 5596 false, CDP_WILD_PEER_TYPE); 5597 5598 peer = dp_peer_hash_find_wrapper(soc, &peer_info, DP_MOD_ID_CDP); 5599 5600 if (!peer) 5601 return OL_TXRX_PEER_STATE_INVALID; 5602 5603 DP_TRACE(DEBUG, "peer %pK stats %d", peer, peer->state); 5604 5605 tgt_peer = dp_get_tgt_peer_from_peer(peer); 5606 peer_state = tgt_peer->state; 5607 5608 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5609 5610 return peer_state; 5611 } 5612 5613 /** 5614 * dp_local_peer_id_pool_init() - local peer id pool alloc for physical device 5615 * @pdev - data path device instance 5616 * 5617 * local peer id pool alloc for physical device 5618 * 5619 * Return: none 5620 */ 5621 void dp_local_peer_id_pool_init(struct dp_pdev *pdev) 5622 { 5623 int i; 5624 5625 /* point the freelist to the first ID */ 5626 pdev->local_peer_ids.freelist = 0; 5627 5628 /* link each ID to the next one */ 5629 for (i = 0; i < OL_TXRX_NUM_LOCAL_PEER_IDS; i++) { 5630 pdev->local_peer_ids.pool[i] = i + 1; 5631 pdev->local_peer_ids.map[i] = NULL; 5632 } 5633 5634 /* link the last ID to itself, to mark the end of the list */ 5635 i = OL_TXRX_NUM_LOCAL_PEER_IDS; 5636 pdev->local_peer_ids.pool[i] = i; 5637 5638 qdf_spinlock_create(&pdev->local_peer_ids.lock); 5639 DP_TRACE(INFO, "Peer pool init"); 5640 } 5641 5642 /** 5643 * dp_local_peer_id_alloc() - allocate local peer id 5644 * @pdev - data path device instance 5645 * @peer - new peer instance 5646 * 5647 * allocate local peer id 5648 * 5649 * Return: none 5650 */ 5651 void dp_local_peer_id_alloc(struct dp_pdev *pdev, struct dp_peer *peer) 5652 { 5653 int i; 5654 5655 qdf_spin_lock_bh(&pdev->local_peer_ids.lock); 5656 i = pdev->local_peer_ids.freelist; 5657 if (pdev->local_peer_ids.pool[i] == i) { 5658 /* the list is empty, except for the list-end marker */ 5659 peer->local_id = OL_TXRX_INVALID_LOCAL_PEER_ID; 5660 } else { 5661 /* take the head ID and advance the freelist */ 5662 peer->local_id = i; 5663 pdev->local_peer_ids.freelist = pdev->local_peer_ids.pool[i]; 5664 pdev->local_peer_ids.map[i] = peer; 5665 } 5666 qdf_spin_unlock_bh(&pdev->local_peer_ids.lock); 5667 dp_info("peer %pK, local id %d", peer, peer->local_id); 5668 } 5669 5670 /** 5671 * dp_local_peer_id_free() - remove local peer id 5672 * @pdev - data path device instance 5673 * @peer - peer instance should be removed 5674 * 5675 * remove local peer id 5676 * 5677 * Return: none 5678 */ 5679 void dp_local_peer_id_free(struct dp_pdev *pdev, struct dp_peer *peer) 5680 { 5681 int i = peer->local_id; 5682 if ((i == OL_TXRX_INVALID_LOCAL_PEER_ID) || 5683 (i >= OL_TXRX_NUM_LOCAL_PEER_IDS)) { 5684 return; 5685 } 5686 5687 /* put this ID on the head of the freelist */ 5688 qdf_spin_lock_bh(&pdev->local_peer_ids.lock); 5689 pdev->local_peer_ids.pool[i] = pdev->local_peer_ids.freelist; 5690 pdev->local_peer_ids.freelist = i; 5691 pdev->local_peer_ids.map[i] = NULL; 5692 qdf_spin_unlock_bh(&pdev->local_peer_ids.lock); 5693 } 5694 5695 bool dp_find_peer_exist_on_vdev(struct cdp_soc_t *soc_hdl, 5696 uint8_t vdev_id, uint8_t *peer_addr) 5697 { 5698 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 5699 struct dp_peer *peer = NULL; 5700 5701 peer = dp_peer_find_hash_find(soc, peer_addr, 0, vdev_id, 5702 DP_MOD_ID_CDP); 5703 if (!peer) 5704 return false; 5705 5706 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5707 5708 return true; 5709 } 5710 5711 bool dp_find_peer_exist_on_other_vdev(struct cdp_soc_t *soc_hdl, 5712 uint8_t vdev_id, uint8_t *peer_addr, 5713 uint16_t max_bssid) 5714 { 5715 int i; 5716 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 5717 struct dp_peer *peer = NULL; 5718 5719 for (i = 0; i < max_bssid; i++) { 5720 /* Need to check vdevs other than the vdev_id */ 5721 if (vdev_id == i) 5722 continue; 5723 peer = dp_peer_find_hash_find(soc, peer_addr, 0, i, 5724 DP_MOD_ID_CDP); 5725 if (peer) { 5726 dp_err("Duplicate peer "QDF_MAC_ADDR_FMT" already exist on vdev %d", 5727 QDF_MAC_ADDR_REF(peer_addr), i); 5728 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5729 return true; 5730 } 5731 } 5732 5733 return false; 5734 } 5735 5736 bool dp_find_peer_exist(struct cdp_soc_t *soc_hdl, uint8_t pdev_id, 5737 uint8_t *peer_addr) 5738 { 5739 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 5740 struct dp_peer *peer = NULL; 5741 5742 peer = dp_peer_find_hash_find(soc, peer_addr, 0, DP_VDEV_ALL, 5743 DP_MOD_ID_CDP); 5744 if (peer) { 5745 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5746 return true; 5747 } 5748 5749 return false; 5750 } 5751 5752 void dp_set_peer_as_tdls_peer(struct cdp_soc_t *soc_hdl, uint8_t vdev_id, 5753 uint8_t *peer_mac, bool val) 5754 { 5755 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 5756 struct dp_peer *peer = NULL; 5757 5758 peer = dp_peer_find_hash_find(soc, peer_mac, 0, vdev_id, 5759 DP_MOD_ID_CDP); 5760 if (!peer) { 5761 dp_err("Failed to find peer for:" QDF_MAC_ADDR_FMT, 5762 QDF_MAC_ADDR_REF(peer_mac)); 5763 return; 5764 } 5765 5766 dp_info("Set tdls flag %d for peer:" QDF_MAC_ADDR_FMT, 5767 val, QDF_MAC_ADDR_REF(peer_mac)); 5768 peer->is_tdls_peer = val; 5769 5770 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5771 } 5772 #endif 5773 5774 #ifdef IPA_OFFLOAD 5775 int dp_peer_get_rxtid_stats_ipa(struct dp_peer *peer, 5776 dp_rxtid_stats_cmd_cb dp_stats_cmd_cb) 5777 { 5778 struct dp_soc *soc = peer->vdev->pdev->soc; 5779 struct hal_reo_cmd_params params; 5780 int i; 5781 int stats_cmd_sent_cnt = 0; 5782 QDF_STATUS status; 5783 uint16_t peer_id = peer->peer_id; 5784 unsigned long comb_peer_id_tid; 5785 5786 if (!dp_stats_cmd_cb) 5787 return stats_cmd_sent_cnt; 5788 5789 qdf_mem_zero(¶ms, sizeof(params)); 5790 for (i = 0; i < DP_MAX_TIDS; i++) { 5791 struct dp_rx_tid *rx_tid = &peer->rx_tid[i]; 5792 5793 if (rx_tid->hw_qdesc_vaddr_unaligned) { 5794 params.std.need_status = 1; 5795 params.std.addr_lo = 5796 rx_tid->hw_qdesc_paddr & 0xffffffff; 5797 params.std.addr_hi = 5798 (uint64_t)(rx_tid->hw_qdesc_paddr) >> 32; 5799 params.u.stats_params.clear = 1; 5800 comb_peer_id_tid = ((i << DP_PEER_REO_STATS_TID_SHIFT) 5801 | peer_id); 5802 status = dp_reo_send_cmd(soc, CMD_GET_QUEUE_STATS, 5803 ¶ms, dp_stats_cmd_cb, 5804 (void *)comb_peer_id_tid); 5805 if (QDF_IS_STATUS_SUCCESS(status)) 5806 stats_cmd_sent_cnt++; 5807 5808 /* Flush REO descriptor from HW cache to update stats 5809 * in descriptor memory. This is to help debugging 5810 */ 5811 qdf_mem_zero(¶ms, sizeof(params)); 5812 params.std.need_status = 0; 5813 params.std.addr_lo = 5814 rx_tid->hw_qdesc_paddr & 0xffffffff; 5815 params.std.addr_hi = 5816 (uint64_t)(rx_tid->hw_qdesc_paddr) >> 32; 5817 params.u.fl_cache_params.flush_no_inval = 1; 5818 dp_reo_send_cmd(soc, CMD_FLUSH_CACHE, ¶ms, NULL, 5819 NULL); 5820 } 5821 } 5822 5823 return stats_cmd_sent_cnt; 5824 } 5825 5826 qdf_export_symbol(dp_peer_get_rxtid_stats_ipa); 5827 5828 #endif 5829 /** 5830 * dp_peer_rxtid_stats: Retried Rx TID (REO queue) stats from HW 5831 * @peer: DP peer handle 5832 * @dp_stats_cmd_cb: REO command callback function 5833 * @cb_ctxt: Callback context 5834 * 5835 * Return: count of tid stats cmd send succeeded 5836 */ 5837 int dp_peer_rxtid_stats(struct dp_peer *peer, 5838 dp_rxtid_stats_cmd_cb dp_stats_cmd_cb, 5839 void *cb_ctxt) 5840 { 5841 struct dp_soc *soc = peer->vdev->pdev->soc; 5842 struct hal_reo_cmd_params params; 5843 int i; 5844 int stats_cmd_sent_cnt = 0; 5845 QDF_STATUS status; 5846 5847 if (!dp_stats_cmd_cb) 5848 return stats_cmd_sent_cnt; 5849 5850 qdf_mem_zero(¶ms, sizeof(params)); 5851 for (i = 0; i < DP_MAX_TIDS; i++) { 5852 struct dp_rx_tid *rx_tid = &peer->rx_tid[i]; 5853 if (rx_tid->hw_qdesc_vaddr_unaligned) { 5854 params.std.need_status = 1; 5855 params.std.addr_lo = 5856 rx_tid->hw_qdesc_paddr & 0xffffffff; 5857 params.std.addr_hi = 5858 (uint64_t)(rx_tid->hw_qdesc_paddr) >> 32; 5859 5860 if (cb_ctxt) { 5861 status = dp_reo_send_cmd( 5862 soc, CMD_GET_QUEUE_STATS, 5863 ¶ms, dp_stats_cmd_cb, 5864 cb_ctxt); 5865 } else { 5866 status = dp_reo_send_cmd( 5867 soc, CMD_GET_QUEUE_STATS, 5868 ¶ms, dp_stats_cmd_cb, 5869 rx_tid); 5870 } 5871 5872 if (QDF_IS_STATUS_SUCCESS(status)) 5873 stats_cmd_sent_cnt++; 5874 5875 /* Flush REO descriptor from HW cache to update stats 5876 * in descriptor memory. This is to help debugging */ 5877 qdf_mem_zero(¶ms, sizeof(params)); 5878 params.std.need_status = 0; 5879 params.std.addr_lo = 5880 rx_tid->hw_qdesc_paddr & 0xffffffff; 5881 params.std.addr_hi = 5882 (uint64_t)(rx_tid->hw_qdesc_paddr) >> 32; 5883 params.u.fl_cache_params.flush_no_inval = 1; 5884 dp_reo_send_cmd(soc, CMD_FLUSH_CACHE, ¶ms, NULL, 5885 NULL); 5886 } 5887 } 5888 5889 return stats_cmd_sent_cnt; 5890 } 5891 5892 QDF_STATUS 5893 dp_set_michael_key(struct cdp_soc_t *soc, 5894 uint8_t vdev_id, 5895 uint8_t *peer_mac, 5896 bool is_unicast, uint32_t *key) 5897 { 5898 uint8_t sec_index = is_unicast ? 1 : 0; 5899 struct dp_peer *peer = 5900 dp_peer_get_tgt_peer_hash_find((struct dp_soc *)soc, 5901 peer_mac, 0, vdev_id, 5902 DP_MOD_ID_CDP); 5903 5904 if (!peer) { 5905 dp_peer_err("%pK: peer not found ", soc); 5906 return QDF_STATUS_E_FAILURE; 5907 } 5908 5909 qdf_mem_copy(&peer->txrx_peer->security[sec_index].michael_key[0], 5910 key, IEEE80211_WEP_MICLEN); 5911 5912 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5913 5914 return QDF_STATUS_SUCCESS; 5915 } 5916 5917 5918 /** 5919 * dp_vdev_bss_peer_ref_n_get: Get bss peer of a vdev 5920 * @soc: DP soc 5921 * @vdev: vdev 5922 * @mod_id: id of module requesting reference 5923 * 5924 * Return: VDEV BSS peer 5925 */ 5926 struct dp_peer *dp_vdev_bss_peer_ref_n_get(struct dp_soc *soc, 5927 struct dp_vdev *vdev, 5928 enum dp_mod_id mod_id) 5929 { 5930 struct dp_peer *peer = NULL; 5931 5932 qdf_spin_lock_bh(&vdev->peer_list_lock); 5933 TAILQ_FOREACH(peer, &vdev->peer_list, peer_list_elem) { 5934 if (peer->bss_peer) 5935 break; 5936 } 5937 5938 if (!peer) { 5939 qdf_spin_unlock_bh(&vdev->peer_list_lock); 5940 return NULL; 5941 } 5942 5943 if (dp_peer_get_ref(soc, peer, mod_id) == QDF_STATUS_SUCCESS) { 5944 qdf_spin_unlock_bh(&vdev->peer_list_lock); 5945 return peer; 5946 } 5947 5948 qdf_spin_unlock_bh(&vdev->peer_list_lock); 5949 return peer; 5950 } 5951 5952 /** 5953 * dp_sta_vdev_self_peer_ref_n_get: Get self peer of sta vdev 5954 * @soc: DP soc 5955 * @vdev: vdev 5956 * @mod_id: id of module requesting reference 5957 * 5958 * Return: VDEV self peer 5959 */ 5960 struct dp_peer *dp_sta_vdev_self_peer_ref_n_get(struct dp_soc *soc, 5961 struct dp_vdev *vdev, 5962 enum dp_mod_id mod_id) 5963 { 5964 struct dp_peer *peer; 5965 5966 if (vdev->opmode != wlan_op_mode_sta) 5967 return NULL; 5968 5969 qdf_spin_lock_bh(&vdev->peer_list_lock); 5970 TAILQ_FOREACH(peer, &vdev->peer_list, peer_list_elem) { 5971 if (peer->sta_self_peer) 5972 break; 5973 } 5974 5975 if (!peer) { 5976 qdf_spin_unlock_bh(&vdev->peer_list_lock); 5977 return NULL; 5978 } 5979 5980 if (dp_peer_get_ref(soc, peer, mod_id) == QDF_STATUS_SUCCESS) { 5981 qdf_spin_unlock_bh(&vdev->peer_list_lock); 5982 return peer; 5983 } 5984 5985 qdf_spin_unlock_bh(&vdev->peer_list_lock); 5986 return peer; 5987 } 5988 5989 #ifdef DUMP_REO_QUEUE_INFO_IN_DDR 5990 void dp_dump_rx_reo_queue_info( 5991 struct dp_soc *soc, void *cb_ctxt, union hal_reo_status *reo_status) 5992 { 5993 struct dp_rx_tid *rx_tid = (struct dp_rx_tid *)cb_ctxt; 5994 5995 if (!rx_tid) 5996 return; 5997 5998 if (reo_status->fl_cache_status.header.status != 5999 HAL_REO_CMD_SUCCESS) { 6000 dp_err_rl("Rx tid REO HW desc flush failed(%d)", 6001 reo_status->rx_queue_status.header.status); 6002 return; 6003 } 6004 qdf_spin_lock_bh(&rx_tid->tid_lock); 6005 hal_dump_rx_reo_queue_desc(rx_tid->hw_qdesc_vaddr_aligned); 6006 qdf_spin_unlock_bh(&rx_tid->tid_lock); 6007 } 6008 6009 void dp_send_cache_flush_for_rx_tid( 6010 struct dp_soc *soc, struct dp_peer *peer) 6011 { 6012 int i; 6013 struct dp_rx_tid *rx_tid; 6014 struct hal_reo_cmd_params params; 6015 6016 if (!peer) { 6017 dp_err_rl("Peer is NULL"); 6018 return; 6019 } 6020 6021 for (i = 0; i < DP_MAX_TIDS; i++) { 6022 rx_tid = &peer->rx_tid[i]; 6023 if (!rx_tid) 6024 continue; 6025 qdf_spin_lock_bh(&rx_tid->tid_lock); 6026 if (rx_tid->hw_qdesc_vaddr_aligned) { 6027 qdf_mem_zero(¶ms, sizeof(params)); 6028 params.std.need_status = 1; 6029 params.std.addr_lo = 6030 rx_tid->hw_qdesc_paddr & 0xffffffff; 6031 params.std.addr_hi = 6032 (uint64_t)(rx_tid->hw_qdesc_paddr) >> 32; 6033 params.u.fl_cache_params.flush_no_inval = 0; 6034 if (QDF_STATUS_SUCCESS != 6035 dp_reo_send_cmd( 6036 soc, CMD_FLUSH_CACHE, 6037 ¶ms, dp_dump_rx_reo_queue_info, 6038 (void *)rx_tid)) { 6039 dp_err_rl("cache flush send failed tid %d", 6040 rx_tid->tid); 6041 qdf_spin_unlock_bh(&rx_tid->tid_lock); 6042 break; 6043 } 6044 } 6045 qdf_spin_unlock_bh(&rx_tid->tid_lock); 6046 } 6047 } 6048 6049 void dp_get_rx_reo_queue_info( 6050 struct cdp_soc_t *soc_hdl, uint8_t vdev_id) 6051 { 6052 struct dp_soc *soc = (struct dp_soc *)soc_hdl; 6053 struct dp_vdev *vdev = dp_vdev_get_ref_by_id(soc, vdev_id, 6054 DP_MOD_ID_GENERIC_STATS); 6055 struct dp_peer *peer = NULL; 6056 6057 if (!vdev) { 6058 dp_err_rl("vdev is null for vdev_id: %u", vdev_id); 6059 goto failed; 6060 } 6061 6062 peer = dp_vdev_bss_peer_ref_n_get(soc, vdev, DP_MOD_ID_GENERIC_STATS); 6063 6064 if (!peer) { 6065 dp_err_rl("Peer is NULL"); 6066 goto failed; 6067 } 6068 dp_send_cache_flush_for_rx_tid(soc, peer); 6069 failed: 6070 if (peer) 6071 dp_peer_unref_delete(peer, DP_MOD_ID_GENERIC_STATS); 6072 if (vdev) 6073 dp_vdev_unref_delete(soc, vdev, DP_MOD_ID_GENERIC_STATS); 6074 } 6075 #endif /* DUMP_REO_QUEUE_INFO_IN_DDR */ 6076 6077 void dp_peer_flush_frags(struct cdp_soc_t *soc_hdl, uint8_t vdev_id, 6078 uint8_t *peer_mac) 6079 { 6080 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 6081 struct dp_peer *peer = dp_peer_get_tgt_peer_hash_find(soc, peer_mac, 0, 6082 vdev_id, 6083 DP_MOD_ID_CDP); 6084 struct dp_txrx_peer *txrx_peer; 6085 uint8_t tid; 6086 struct dp_rx_tid_defrag *defrag_rx_tid; 6087 6088 if (!peer) 6089 return; 6090 6091 if (!peer->txrx_peer) 6092 goto fail; 6093 6094 dp_info("Flushing fragments for peer " QDF_MAC_ADDR_FMT, 6095 QDF_MAC_ADDR_REF(peer->mac_addr.raw)); 6096 6097 txrx_peer = peer->txrx_peer; 6098 6099 for (tid = 0; tid < DP_MAX_TIDS; tid++) { 6100 defrag_rx_tid = &txrx_peer->rx_tid[tid]; 6101 6102 qdf_spin_lock_bh(&defrag_rx_tid->defrag_tid_lock); 6103 dp_rx_defrag_waitlist_remove(txrx_peer, tid); 6104 dp_rx_reorder_flush_frag(txrx_peer, tid); 6105 qdf_spin_unlock_bh(&defrag_rx_tid->defrag_tid_lock); 6106 } 6107 fail: 6108 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 6109 } 6110 6111 /* 6112 * dp_peer_find_by_id_valid - check if peer exists for given id 6113 * @soc: core DP soc context 6114 * @peer_id: peer id from peer object can be retrieved 6115 * 6116 * Return: true if peer exists of false otherwise 6117 */ 6118 bool dp_peer_find_by_id_valid(struct dp_soc *soc, uint16_t peer_id) 6119 { 6120 struct dp_peer *peer = dp_peer_get_ref_by_id(soc, peer_id, 6121 DP_MOD_ID_HTT); 6122 6123 if (peer) { 6124 /* 6125 * Decrement the peer ref which is taken as part of 6126 * dp_peer_get_ref_by_id if PEER_LOCK_REF_PROTECT is enabled 6127 */ 6128 dp_peer_unref_delete(peer, DP_MOD_ID_HTT); 6129 6130 return true; 6131 } 6132 6133 return false; 6134 } 6135 6136 qdf_export_symbol(dp_peer_find_by_id_valid); 6137