1 /* 2 * Copyright (c) 2016-2021 The Linux Foundation. All rights reserved. 3 * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for 6 * any purpose with or without fee is hereby granted, provided that the 7 * above copyright notice and this permission notice appear in all 8 * copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL 11 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED 12 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE 13 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 14 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 15 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 16 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 17 * PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 #include <qdf_types.h> 21 #include <qdf_lock.h> 22 #include <hal_hw_headers.h> 23 #include "dp_htt.h" 24 #include "dp_types.h" 25 #include "dp_internal.h" 26 #include "dp_peer.h" 27 #include "dp_rx_defrag.h" 28 #include "dp_rx.h" 29 #include <hal_api.h> 30 #include <hal_reo.h> 31 #include <cdp_txrx_handle.h> 32 #include <wlan_cfg.h> 33 #ifdef WIFI_MONITOR_SUPPORT 34 #include <dp_mon.h> 35 #endif 36 #ifdef FEATURE_WDS 37 #include "dp_txrx_wds.h" 38 #endif 39 #include <qdf_module.h> 40 #ifdef QCA_PEER_EXT_STATS 41 #include "dp_hist.h" 42 #endif 43 #ifdef BYPASS_OL_OPS 44 #include <target_if_dp.h> 45 #endif 46 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 QCA_SUPPORT_WDS_EXTENDED 226 bool dp_peer_check_wds_ext_peer(struct dp_peer *peer) 227 { 228 struct dp_vdev *vdev = peer->vdev; 229 struct dp_txrx_peer *txrx_peer; 230 231 if (!vdev->wds_ext_enabled) 232 return false; 233 234 txrx_peer = dp_get_txrx_peer(peer); 235 if (!txrx_peer) 236 return false; 237 238 if (qdf_atomic_test_bit(WDS_EXT_PEER_INIT_BIT, 239 &txrx_peer->wds_ext.init)) 240 return true; 241 242 return false; 243 } 244 #else 245 bool dp_peer_check_wds_ext_peer(struct dp_peer *peer) 246 { 247 return false; 248 } 249 #endif 250 251 #ifdef REO_QDESC_HISTORY 252 static inline void 253 dp_rx_reo_qdesc_history_add(struct reo_desc_list_node *free_desc, 254 enum reo_qdesc_event_type type) 255 { 256 struct reo_qdesc_event *evt; 257 struct dp_rx_tid *rx_tid = &free_desc->rx_tid; 258 uint32_t idx; 259 260 reo_qdesc_history_idx++; 261 idx = (reo_qdesc_history_idx & (REO_QDESC_HISTORY_SIZE - 1)); 262 263 evt = &reo_qdesc_history[idx]; 264 265 qdf_mem_copy(evt->peer_mac, free_desc->peer_mac, QDF_MAC_ADDR_SIZE); 266 evt->qdesc_addr = rx_tid->hw_qdesc_paddr; 267 evt->ts = qdf_get_log_timestamp(); 268 evt->type = type; 269 } 270 271 #ifdef WLAN_DP_FEATURE_DEFERRED_REO_QDESC_DESTROY 272 static inline void 273 dp_rx_reo_qdesc_deferred_evt_add(struct reo_desc_deferred_freelist_node *desc, 274 enum reo_qdesc_event_type type) 275 { 276 struct reo_qdesc_event *evt; 277 uint32_t idx; 278 279 reo_qdesc_history_idx++; 280 idx = (reo_qdesc_history_idx & (REO_QDESC_HISTORY_SIZE - 1)); 281 282 evt = &reo_qdesc_history[idx]; 283 284 qdf_mem_copy(evt->peer_mac, desc->peer_mac, QDF_MAC_ADDR_SIZE); 285 evt->qdesc_addr = desc->hw_qdesc_paddr; 286 evt->ts = qdf_get_log_timestamp(); 287 evt->type = type; 288 } 289 290 #define DP_RX_REO_QDESC_DEFERRED_FREE_EVT(desc) \ 291 dp_rx_reo_qdesc_deferred_evt_add((desc), REO_QDESC_FREE) 292 293 #define DP_RX_REO_QDESC_DEFERRED_GET_MAC(desc, freedesc) \ 294 qdf_mem_copy(desc->peer_mac, freedesc->peer_mac, QDF_MAC_ADDR_SIZE) 295 #endif /* WLAN_DP_FEATURE_DEFERRED_REO_QDESC_DESTROY */ 296 297 #define DP_RX_REO_QDESC_GET_MAC(freedesc, peer) \ 298 qdf_mem_copy(freedesc->peer_mac, peer->mac_addr.raw, QDF_MAC_ADDR_SIZE) 299 300 #define DP_RX_REO_QDESC_UPDATE_EVT(free_desc) \ 301 dp_rx_reo_qdesc_history_add((free_desc), REO_QDESC_UPDATE_CB) 302 303 #define DP_RX_REO_QDESC_FREE_EVT(free_desc) \ 304 dp_rx_reo_qdesc_history_add((free_desc), REO_QDESC_FREE) 305 306 #else 307 #define DP_RX_REO_QDESC_GET_MAC(freedesc, peer) 308 309 #define DP_RX_REO_QDESC_UPDATE_EVT(free_desc) 310 311 #define DP_RX_REO_QDESC_FREE_EVT(free_desc) 312 313 #define DP_RX_REO_QDESC_DEFERRED_FREE_EVT(desc) 314 315 #define DP_RX_REO_QDESC_DEFERRED_GET_MAC(desc, freedesc) 316 #endif 317 318 static inline void 319 dp_set_ssn_valid_flag(struct hal_reo_cmd_params *params, 320 uint8_t valid) 321 { 322 params->u.upd_queue_params.update_svld = 1; 323 params->u.upd_queue_params.svld = valid; 324 dp_peer_debug("Setting SSN valid bit to %d", 325 valid); 326 } 327 328 QDF_STATUS dp_peer_ast_table_attach(struct dp_soc *soc) 329 { 330 uint32_t max_ast_index; 331 332 max_ast_index = wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx); 333 /* allocate ast_table for ast entry to ast_index map */ 334 dp_peer_info("\n%pK:<=== cfg max ast idx %d ====>", soc, max_ast_index); 335 soc->ast_table = qdf_mem_malloc(max_ast_index * 336 sizeof(struct dp_ast_entry *)); 337 if (!soc->ast_table) { 338 dp_peer_err("%pK: ast_table memory allocation failed", soc); 339 return QDF_STATUS_E_NOMEM; 340 } 341 return QDF_STATUS_SUCCESS; /* success */ 342 } 343 344 /* 345 * dp_peer_find_map_attach() - allocate memory for peer_id_to_obj_map 346 * @soc: soc handle 347 * 348 * return: QDF_STATUS 349 */ 350 static QDF_STATUS dp_peer_find_map_attach(struct dp_soc *soc) 351 { 352 uint32_t max_peers, peer_map_size; 353 354 max_peers = soc->max_peer_id; 355 /* allocate the peer ID -> peer object map */ 356 dp_peer_info("\n%pK:<=== cfg max peer id %d ====>", soc, max_peers); 357 peer_map_size = max_peers * sizeof(soc->peer_id_to_obj_map[0]); 358 soc->peer_id_to_obj_map = qdf_mem_malloc(peer_map_size); 359 if (!soc->peer_id_to_obj_map) { 360 dp_peer_err("%pK: peer map memory allocation failed", soc); 361 return QDF_STATUS_E_NOMEM; 362 } 363 364 /* 365 * The peer_id_to_obj_map doesn't really need to be initialized, 366 * since elements are only used after they have been individually 367 * initialized. 368 * However, it is convenient for debugging to have all elements 369 * that are not in use set to 0. 370 */ 371 qdf_mem_zero(soc->peer_id_to_obj_map, peer_map_size); 372 373 qdf_spinlock_create(&soc->peer_map_lock); 374 return QDF_STATUS_SUCCESS; /* success */ 375 } 376 377 #define DP_AST_HASH_LOAD_MULT 2 378 #define DP_AST_HASH_LOAD_SHIFT 0 379 380 static inline uint32_t 381 dp_peer_find_hash_index(struct dp_soc *soc, 382 union dp_align_mac_addr *mac_addr) 383 { 384 uint32_t index; 385 386 index = 387 mac_addr->align2.bytes_ab ^ 388 mac_addr->align2.bytes_cd ^ 389 mac_addr->align2.bytes_ef; 390 391 index ^= index >> soc->peer_hash.idx_bits; 392 index &= soc->peer_hash.mask; 393 return index; 394 } 395 396 /* 397 * dp_peer_find_hash_find() - returns legacy or mlo link peer from 398 * peer_hash_table matching vdev_id and mac_address 399 * @soc: soc handle 400 * @peer_mac_addr: peer mac address 401 * @mac_addr_is_aligned: is mac addr aligned 402 * @vdev_id: vdev_id 403 * @mod_id: id of module requesting reference 404 * 405 * return: peer in sucsess 406 * NULL in failure 407 */ 408 struct dp_peer *dp_peer_find_hash_find( 409 struct dp_soc *soc, uint8_t *peer_mac_addr, 410 int mac_addr_is_aligned, uint8_t vdev_id, 411 enum dp_mod_id mod_id) 412 { 413 union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; 414 uint32_t index; 415 struct dp_peer *peer; 416 417 if (!soc->peer_hash.bins) 418 return NULL; 419 420 if (mac_addr_is_aligned) { 421 mac_addr = (union dp_align_mac_addr *)peer_mac_addr; 422 } else { 423 qdf_mem_copy( 424 &local_mac_addr_aligned.raw[0], 425 peer_mac_addr, QDF_MAC_ADDR_SIZE); 426 mac_addr = &local_mac_addr_aligned; 427 } 428 index = dp_peer_find_hash_index(soc, mac_addr); 429 qdf_spin_lock_bh(&soc->peer_hash_lock); 430 TAILQ_FOREACH(peer, &soc->peer_hash.bins[index], hash_list_elem) { 431 if (dp_peer_find_mac_addr_cmp(mac_addr, &peer->mac_addr) == 0 && 432 ((peer->vdev->vdev_id == vdev_id) || 433 (vdev_id == DP_VDEV_ALL))) { 434 /* take peer reference before returning */ 435 if (dp_peer_get_ref(soc, peer, mod_id) != 436 QDF_STATUS_SUCCESS) 437 peer = NULL; 438 439 qdf_spin_unlock_bh(&soc->peer_hash_lock); 440 return peer; 441 } 442 } 443 qdf_spin_unlock_bh(&soc->peer_hash_lock); 444 return NULL; /* failure */ 445 } 446 447 qdf_export_symbol(dp_peer_find_hash_find); 448 449 #ifdef WLAN_FEATURE_11BE_MLO 450 /* 451 * dp_peer_find_hash_detach() - cleanup memory for peer_hash table 452 * @soc: soc handle 453 * 454 * return: none 455 */ 456 static void dp_peer_find_hash_detach(struct dp_soc *soc) 457 { 458 if (soc->peer_hash.bins) { 459 qdf_mem_free(soc->peer_hash.bins); 460 soc->peer_hash.bins = NULL; 461 qdf_spinlock_destroy(&soc->peer_hash_lock); 462 } 463 464 if (soc->arch_ops.mlo_peer_find_hash_detach) 465 soc->arch_ops.mlo_peer_find_hash_detach(soc); 466 } 467 468 /* 469 * dp_peer_find_hash_attach() - allocate memory for peer_hash table 470 * @soc: soc handle 471 * 472 * return: QDF_STATUS 473 */ 474 static QDF_STATUS dp_peer_find_hash_attach(struct dp_soc *soc) 475 { 476 int i, hash_elems, log2; 477 478 /* allocate the peer MAC address -> peer object hash table */ 479 hash_elems = soc->max_peers; 480 hash_elems *= DP_PEER_HASH_LOAD_MULT; 481 hash_elems >>= DP_PEER_HASH_LOAD_SHIFT; 482 log2 = dp_log2_ceil(hash_elems); 483 hash_elems = 1 << log2; 484 485 soc->peer_hash.mask = hash_elems - 1; 486 soc->peer_hash.idx_bits = log2; 487 /* allocate an array of TAILQ peer object lists */ 488 soc->peer_hash.bins = qdf_mem_malloc( 489 hash_elems * sizeof(TAILQ_HEAD(anonymous_tail_q, dp_peer))); 490 if (!soc->peer_hash.bins) 491 return QDF_STATUS_E_NOMEM; 492 493 for (i = 0; i < hash_elems; i++) 494 TAILQ_INIT(&soc->peer_hash.bins[i]); 495 496 qdf_spinlock_create(&soc->peer_hash_lock); 497 498 if (soc->arch_ops.mlo_peer_find_hash_attach && 499 (soc->arch_ops.mlo_peer_find_hash_attach(soc) != 500 QDF_STATUS_SUCCESS)) { 501 dp_peer_find_hash_detach(soc); 502 return QDF_STATUS_E_NOMEM; 503 } 504 return QDF_STATUS_SUCCESS; 505 } 506 507 /* 508 * dp_peer_find_hash_add() - add peer to peer_hash_table 509 * @soc: soc handle 510 * @peer: peer handle 511 * @peer_type: link or mld peer 512 * 513 * return: none 514 */ 515 void dp_peer_find_hash_add(struct dp_soc *soc, struct dp_peer *peer) 516 { 517 unsigned index; 518 519 index = dp_peer_find_hash_index(soc, &peer->mac_addr); 520 if (peer->peer_type == CDP_LINK_PEER_TYPE) { 521 qdf_spin_lock_bh(&soc->peer_hash_lock); 522 523 if (QDF_IS_STATUS_ERROR(dp_peer_get_ref(soc, peer, 524 DP_MOD_ID_CONFIG))) { 525 dp_err("fail to get peer ref:" QDF_MAC_ADDR_FMT, 526 QDF_MAC_ADDR_REF(peer->mac_addr.raw)); 527 qdf_spin_unlock_bh(&soc->peer_hash_lock); 528 return; 529 } 530 531 /* 532 * It is important to add the new peer at the tail of 533 * peer list with the bin index. Together with having 534 * the hash_find function search from head to tail, 535 * this ensures that if two entries with the same MAC address 536 * are stored, the one added first will be found first. 537 */ 538 TAILQ_INSERT_TAIL(&soc->peer_hash.bins[index], peer, 539 hash_list_elem); 540 541 qdf_spin_unlock_bh(&soc->peer_hash_lock); 542 } else if (peer->peer_type == CDP_MLD_PEER_TYPE) { 543 if (soc->arch_ops.mlo_peer_find_hash_add) 544 soc->arch_ops.mlo_peer_find_hash_add(soc, peer); 545 } else { 546 dp_err("unknown peer type %d", peer->peer_type); 547 } 548 } 549 550 /* 551 * dp_peer_find_hash_remove() - remove peer from peer_hash_table 552 * @soc: soc handle 553 * @peer: peer handle 554 * 555 * return: none 556 */ 557 void dp_peer_find_hash_remove(struct dp_soc *soc, struct dp_peer *peer) 558 { 559 unsigned index; 560 struct dp_peer *tmppeer = NULL; 561 int found = 0; 562 563 index = dp_peer_find_hash_index(soc, &peer->mac_addr); 564 565 if (peer->peer_type == CDP_LINK_PEER_TYPE) { 566 /* Check if tail is not empty before delete*/ 567 QDF_ASSERT(!TAILQ_EMPTY(&soc->peer_hash.bins[index])); 568 569 qdf_spin_lock_bh(&soc->peer_hash_lock); 570 TAILQ_FOREACH(tmppeer, &soc->peer_hash.bins[index], 571 hash_list_elem) { 572 if (tmppeer == peer) { 573 found = 1; 574 break; 575 } 576 } 577 QDF_ASSERT(found); 578 TAILQ_REMOVE(&soc->peer_hash.bins[index], peer, 579 hash_list_elem); 580 581 dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); 582 qdf_spin_unlock_bh(&soc->peer_hash_lock); 583 } else if (peer->peer_type == CDP_MLD_PEER_TYPE) { 584 if (soc->arch_ops.mlo_peer_find_hash_remove) 585 soc->arch_ops.mlo_peer_find_hash_remove(soc, peer); 586 } else { 587 dp_err("unknown peer type %d", peer->peer_type); 588 } 589 } 590 #else 591 static QDF_STATUS dp_peer_find_hash_attach(struct dp_soc *soc) 592 { 593 int i, hash_elems, log2; 594 595 /* allocate the peer MAC address -> peer object hash table */ 596 hash_elems = soc->max_peers; 597 hash_elems *= DP_PEER_HASH_LOAD_MULT; 598 hash_elems >>= DP_PEER_HASH_LOAD_SHIFT; 599 log2 = dp_log2_ceil(hash_elems); 600 hash_elems = 1 << log2; 601 602 soc->peer_hash.mask = hash_elems - 1; 603 soc->peer_hash.idx_bits = log2; 604 /* allocate an array of TAILQ peer object lists */ 605 soc->peer_hash.bins = qdf_mem_malloc( 606 hash_elems * sizeof(TAILQ_HEAD(anonymous_tail_q, dp_peer))); 607 if (!soc->peer_hash.bins) 608 return QDF_STATUS_E_NOMEM; 609 610 for (i = 0; i < hash_elems; i++) 611 TAILQ_INIT(&soc->peer_hash.bins[i]); 612 613 qdf_spinlock_create(&soc->peer_hash_lock); 614 return QDF_STATUS_SUCCESS; 615 } 616 617 static void dp_peer_find_hash_detach(struct dp_soc *soc) 618 { 619 if (soc->peer_hash.bins) { 620 qdf_mem_free(soc->peer_hash.bins); 621 soc->peer_hash.bins = NULL; 622 qdf_spinlock_destroy(&soc->peer_hash_lock); 623 } 624 } 625 626 void dp_peer_find_hash_add(struct dp_soc *soc, struct dp_peer *peer) 627 { 628 unsigned index; 629 630 index = dp_peer_find_hash_index(soc, &peer->mac_addr); 631 qdf_spin_lock_bh(&soc->peer_hash_lock); 632 633 if (QDF_IS_STATUS_ERROR(dp_peer_get_ref(soc, peer, DP_MOD_ID_CONFIG))) { 634 dp_err("unable to get peer ref at MAP mac: "QDF_MAC_ADDR_FMT, 635 QDF_MAC_ADDR_REF(peer->mac_addr.raw)); 636 qdf_spin_unlock_bh(&soc->peer_hash_lock); 637 return; 638 } 639 640 /* 641 * It is important to add the new peer at the tail of the peer list 642 * with the bin index. Together with having the hash_find function 643 * search from head to tail, this ensures that if two entries with 644 * the same MAC address are stored, the one added first will be 645 * found first. 646 */ 647 TAILQ_INSERT_TAIL(&soc->peer_hash.bins[index], peer, hash_list_elem); 648 649 qdf_spin_unlock_bh(&soc->peer_hash_lock); 650 } 651 652 void dp_peer_find_hash_remove(struct dp_soc *soc, struct dp_peer *peer) 653 { 654 unsigned index; 655 struct dp_peer *tmppeer = NULL; 656 int found = 0; 657 658 index = dp_peer_find_hash_index(soc, &peer->mac_addr); 659 /* Check if tail is not empty before delete*/ 660 QDF_ASSERT(!TAILQ_EMPTY(&soc->peer_hash.bins[index])); 661 662 qdf_spin_lock_bh(&soc->peer_hash_lock); 663 TAILQ_FOREACH(tmppeer, &soc->peer_hash.bins[index], hash_list_elem) { 664 if (tmppeer == peer) { 665 found = 1; 666 break; 667 } 668 } 669 QDF_ASSERT(found); 670 TAILQ_REMOVE(&soc->peer_hash.bins[index], peer, hash_list_elem); 671 672 dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); 673 qdf_spin_unlock_bh(&soc->peer_hash_lock); 674 } 675 676 677 #endif/* WLAN_FEATURE_11BE_MLO */ 678 679 /* 680 * dp_peer_vdev_list_add() - add peer into vdev's peer list 681 * @soc: soc handle 682 * @vdev: vdev handle 683 * @peer: peer handle 684 * 685 * return: none 686 */ 687 void dp_peer_vdev_list_add(struct dp_soc *soc, struct dp_vdev *vdev, 688 struct dp_peer *peer) 689 { 690 /* only link peer will be added to vdev peer list */ 691 if (IS_MLO_DP_MLD_PEER(peer)) 692 return; 693 694 qdf_spin_lock_bh(&vdev->peer_list_lock); 695 if (QDF_IS_STATUS_ERROR(dp_peer_get_ref(soc, peer, DP_MOD_ID_CONFIG))) { 696 dp_err("unable to get peer ref at MAP mac: "QDF_MAC_ADDR_FMT, 697 QDF_MAC_ADDR_REF(peer->mac_addr.raw)); 698 qdf_spin_unlock_bh(&vdev->peer_list_lock); 699 return; 700 } 701 702 /* add this peer into the vdev's list */ 703 if (wlan_op_mode_sta == vdev->opmode) 704 TAILQ_INSERT_HEAD(&vdev->peer_list, peer, peer_list_elem); 705 else 706 TAILQ_INSERT_TAIL(&vdev->peer_list, peer, peer_list_elem); 707 708 vdev->num_peers++; 709 qdf_spin_unlock_bh(&vdev->peer_list_lock); 710 } 711 712 /* 713 * dp_peer_vdev_list_remove() - remove peer from vdev's peer list 714 * @soc: SoC handle 715 * @vdev: VDEV handle 716 * @peer: peer handle 717 * 718 * Return: none 719 */ 720 void dp_peer_vdev_list_remove(struct dp_soc *soc, struct dp_vdev *vdev, 721 struct dp_peer *peer) 722 { 723 uint8_t found = 0; 724 struct dp_peer *tmppeer = NULL; 725 726 /* only link peer will be added to vdev peer list */ 727 if (IS_MLO_DP_MLD_PEER(peer)) 728 return; 729 730 qdf_spin_lock_bh(&vdev->peer_list_lock); 731 TAILQ_FOREACH(tmppeer, &peer->vdev->peer_list, peer_list_elem) { 732 if (tmppeer == peer) { 733 found = 1; 734 break; 735 } 736 } 737 738 if (found) { 739 TAILQ_REMOVE(&peer->vdev->peer_list, peer, 740 peer_list_elem); 741 dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); 742 vdev->num_peers--; 743 } else { 744 /*Ignoring the remove operation as peer not found*/ 745 dp_peer_debug("%pK: peer:%pK not found in vdev:%pK peerlist:%pK" 746 , soc, peer, vdev, &peer->vdev->peer_list); 747 } 748 qdf_spin_unlock_bh(&vdev->peer_list_lock); 749 } 750 751 /* 752 * dp_txrx_peer_attach_add() - Attach txrx_peer and add it to peer_id table 753 * @soc: SoC handle 754 * @peer: peer handle 755 * @txrx_peer: txrx peer handle 756 * 757 * Return: None 758 */ 759 void dp_txrx_peer_attach_add(struct dp_soc *soc, 760 struct dp_peer *peer, 761 struct dp_txrx_peer *txrx_peer) 762 { 763 qdf_spin_lock_bh(&soc->peer_map_lock); 764 765 peer->txrx_peer = txrx_peer; 766 txrx_peer->bss_peer = peer->bss_peer; 767 768 if (peer->peer_id == HTT_INVALID_PEER) { 769 qdf_spin_unlock_bh(&soc->peer_map_lock); 770 return; 771 } 772 773 txrx_peer->peer_id = peer->peer_id; 774 775 QDF_ASSERT(soc->peer_id_to_obj_map[peer->peer_id]); 776 777 qdf_spin_unlock_bh(&soc->peer_map_lock); 778 } 779 780 /* 781 * dp_peer_find_id_to_obj_add() - Add peer into peer_id table 782 * @soc: SoC handle 783 * @peer: peer handle 784 * @peer_id: peer_id 785 * 786 * Return: None 787 */ 788 void dp_peer_find_id_to_obj_add(struct dp_soc *soc, 789 struct dp_peer *peer, 790 uint16_t peer_id) 791 { 792 QDF_ASSERT(peer_id <= soc->max_peer_id); 793 794 qdf_spin_lock_bh(&soc->peer_map_lock); 795 796 peer->peer_id = peer_id; 797 798 if (QDF_IS_STATUS_ERROR(dp_peer_get_ref(soc, peer, DP_MOD_ID_CONFIG))) { 799 dp_err("unable to get peer ref at MAP mac: "QDF_MAC_ADDR_FMT" peer_id %u", 800 QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer_id); 801 qdf_spin_unlock_bh(&soc->peer_map_lock); 802 return; 803 } 804 805 if (!soc->peer_id_to_obj_map[peer_id]) { 806 soc->peer_id_to_obj_map[peer_id] = peer; 807 if (peer->txrx_peer) 808 peer->txrx_peer->peer_id = peer_id; 809 } else { 810 /* Peer map event came for peer_id which 811 * is already mapped, this is not expected 812 */ 813 dp_err("peer %pK(" QDF_MAC_ADDR_FMT ")map failed, id %d mapped to peer %pK", 814 peer, QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer_id, 815 soc->peer_id_to_obj_map[peer_id]); 816 dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); 817 qdf_assert_always(0); 818 } 819 qdf_spin_unlock_bh(&soc->peer_map_lock); 820 } 821 822 /* 823 * dp_peer_find_id_to_obj_remove() - remove peer from peer_id table 824 * @soc: SoC handle 825 * @peer_id: peer_id 826 * 827 * Return: None 828 */ 829 void dp_peer_find_id_to_obj_remove(struct dp_soc *soc, 830 uint16_t peer_id) 831 { 832 struct dp_peer *peer = NULL; 833 QDF_ASSERT(peer_id <= soc->max_peer_id); 834 835 qdf_spin_lock_bh(&soc->peer_map_lock); 836 peer = soc->peer_id_to_obj_map[peer_id]; 837 peer->peer_id = HTT_INVALID_PEER; 838 if (peer->txrx_peer) 839 peer->txrx_peer->peer_id = HTT_INVALID_PEER; 840 soc->peer_id_to_obj_map[peer_id] = NULL; 841 dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); 842 qdf_spin_unlock_bh(&soc->peer_map_lock); 843 } 844 845 #ifdef FEATURE_MEC 846 /** 847 * dp_peer_mec_hash_attach() - Allocate and initialize MEC Hash Table 848 * @soc: SoC handle 849 * 850 * Return: QDF_STATUS 851 */ 852 QDF_STATUS dp_peer_mec_hash_attach(struct dp_soc *soc) 853 { 854 int log2, hash_elems, i; 855 856 log2 = dp_log2_ceil(DP_PEER_MAX_MEC_IDX); 857 hash_elems = 1 << log2; 858 859 soc->mec_hash.mask = hash_elems - 1; 860 soc->mec_hash.idx_bits = log2; 861 862 dp_peer_info("%pK: max mec index: %d", 863 soc, DP_PEER_MAX_MEC_IDX); 864 865 /* allocate an array of TAILQ mec object lists */ 866 soc->mec_hash.bins = qdf_mem_malloc(hash_elems * 867 sizeof(TAILQ_HEAD(anonymous_tail_q, 868 dp_mec_entry))); 869 870 if (!soc->mec_hash.bins) 871 return QDF_STATUS_E_NOMEM; 872 873 for (i = 0; i < hash_elems; i++) 874 TAILQ_INIT(&soc->mec_hash.bins[i]); 875 876 return QDF_STATUS_SUCCESS; 877 } 878 879 /** 880 * dp_peer_mec_hash_index() - Compute the MEC hash from MAC address 881 * @soc: SoC handle 882 * 883 * Return: MEC hash 884 */ 885 static inline uint32_t dp_peer_mec_hash_index(struct dp_soc *soc, 886 union dp_align_mac_addr *mac_addr) 887 { 888 uint32_t index; 889 890 index = 891 mac_addr->align2.bytes_ab ^ 892 mac_addr->align2.bytes_cd ^ 893 mac_addr->align2.bytes_ef; 894 index ^= index >> soc->mec_hash.idx_bits; 895 index &= soc->mec_hash.mask; 896 return index; 897 } 898 899 struct dp_mec_entry *dp_peer_mec_hash_find_by_pdevid(struct dp_soc *soc, 900 uint8_t pdev_id, 901 uint8_t *mec_mac_addr) 902 { 903 union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; 904 uint32_t index; 905 struct dp_mec_entry *mecentry; 906 907 qdf_mem_copy(&local_mac_addr_aligned.raw[0], 908 mec_mac_addr, QDF_MAC_ADDR_SIZE); 909 mac_addr = &local_mac_addr_aligned; 910 911 index = dp_peer_mec_hash_index(soc, mac_addr); 912 TAILQ_FOREACH(mecentry, &soc->mec_hash.bins[index], hash_list_elem) { 913 if ((pdev_id == mecentry->pdev_id) && 914 !dp_peer_find_mac_addr_cmp(mac_addr, &mecentry->mac_addr)) 915 return mecentry; 916 } 917 918 return NULL; 919 } 920 921 /** 922 * dp_peer_mec_hash_add() - Add MEC entry into hash table 923 * @soc: SoC handle 924 * 925 * This function adds the MEC entry into SoC MEC hash table 926 * 927 * Return: None 928 */ 929 static inline void dp_peer_mec_hash_add(struct dp_soc *soc, 930 struct dp_mec_entry *mecentry) 931 { 932 uint32_t index; 933 934 index = dp_peer_mec_hash_index(soc, &mecentry->mac_addr); 935 qdf_spin_lock_bh(&soc->mec_lock); 936 TAILQ_INSERT_TAIL(&soc->mec_hash.bins[index], mecentry, hash_list_elem); 937 qdf_spin_unlock_bh(&soc->mec_lock); 938 } 939 940 QDF_STATUS dp_peer_mec_add_entry(struct dp_soc *soc, 941 struct dp_vdev *vdev, 942 uint8_t *mac_addr) 943 { 944 struct dp_mec_entry *mecentry = NULL; 945 struct dp_pdev *pdev = NULL; 946 947 if (!vdev) { 948 dp_peer_err("%pK: Peers vdev is NULL", soc); 949 return QDF_STATUS_E_INVAL; 950 } 951 952 pdev = vdev->pdev; 953 954 if (qdf_unlikely(qdf_atomic_read(&soc->mec_cnt) >= 955 DP_PEER_MAX_MEC_ENTRY)) { 956 dp_peer_warn("%pK: max MEC entry limit reached mac_addr: " 957 QDF_MAC_ADDR_FMT, soc, QDF_MAC_ADDR_REF(mac_addr)); 958 return QDF_STATUS_E_NOMEM; 959 } 960 961 qdf_spin_lock_bh(&soc->mec_lock); 962 mecentry = dp_peer_mec_hash_find_by_pdevid(soc, pdev->pdev_id, 963 mac_addr); 964 if (qdf_likely(mecentry)) { 965 mecentry->is_active = TRUE; 966 qdf_spin_unlock_bh(&soc->mec_lock); 967 return QDF_STATUS_E_ALREADY; 968 } 969 970 qdf_spin_unlock_bh(&soc->mec_lock); 971 972 dp_peer_debug("%pK: pdevid: %u vdev: %u type: MEC mac_addr: " 973 QDF_MAC_ADDR_FMT, 974 soc, pdev->pdev_id, vdev->vdev_id, 975 QDF_MAC_ADDR_REF(mac_addr)); 976 977 mecentry = (struct dp_mec_entry *) 978 qdf_mem_malloc(sizeof(struct dp_mec_entry)); 979 980 if (qdf_unlikely(!mecentry)) { 981 dp_peer_err("%pK: fail to allocate mecentry", soc); 982 return QDF_STATUS_E_NOMEM; 983 } 984 985 qdf_copy_macaddr((struct qdf_mac_addr *)&mecentry->mac_addr.raw[0], 986 (struct qdf_mac_addr *)mac_addr); 987 mecentry->pdev_id = pdev->pdev_id; 988 mecentry->vdev_id = vdev->vdev_id; 989 mecentry->is_active = TRUE; 990 dp_peer_mec_hash_add(soc, mecentry); 991 992 qdf_atomic_inc(&soc->mec_cnt); 993 DP_STATS_INC(soc, mec.added, 1); 994 995 return QDF_STATUS_SUCCESS; 996 } 997 998 void dp_peer_mec_detach_entry(struct dp_soc *soc, struct dp_mec_entry *mecentry, 999 void *ptr) 1000 { 1001 uint32_t index = dp_peer_mec_hash_index(soc, &mecentry->mac_addr); 1002 1003 TAILQ_HEAD(, dp_mec_entry) * free_list = ptr; 1004 1005 TAILQ_REMOVE(&soc->mec_hash.bins[index], mecentry, 1006 hash_list_elem); 1007 TAILQ_INSERT_TAIL(free_list, mecentry, hash_list_elem); 1008 } 1009 1010 void dp_peer_mec_free_list(struct dp_soc *soc, void *ptr) 1011 { 1012 struct dp_mec_entry *mecentry, *mecentry_next; 1013 1014 TAILQ_HEAD(, dp_mec_entry) * free_list = ptr; 1015 1016 TAILQ_FOREACH_SAFE(mecentry, free_list, hash_list_elem, 1017 mecentry_next) { 1018 dp_peer_debug("%pK: MEC delete for mac_addr " QDF_MAC_ADDR_FMT, 1019 soc, QDF_MAC_ADDR_REF(&mecentry->mac_addr)); 1020 qdf_mem_free(mecentry); 1021 qdf_atomic_dec(&soc->mec_cnt); 1022 DP_STATS_INC(soc, mec.deleted, 1); 1023 } 1024 } 1025 1026 /** 1027 * dp_peer_mec_hash_detach() - Free MEC Hash table 1028 * @soc: SoC handle 1029 * 1030 * Return: None 1031 */ 1032 void dp_peer_mec_hash_detach(struct dp_soc *soc) 1033 { 1034 dp_peer_mec_flush_entries(soc); 1035 qdf_mem_free(soc->mec_hash.bins); 1036 soc->mec_hash.bins = NULL; 1037 } 1038 1039 void dp_peer_mec_spinlock_destroy(struct dp_soc *soc) 1040 { 1041 qdf_spinlock_destroy(&soc->mec_lock); 1042 } 1043 1044 void dp_peer_mec_spinlock_create(struct dp_soc *soc) 1045 { 1046 qdf_spinlock_create(&soc->mec_lock); 1047 } 1048 #else 1049 QDF_STATUS dp_peer_mec_hash_attach(struct dp_soc *soc) 1050 { 1051 return QDF_STATUS_SUCCESS; 1052 } 1053 1054 void dp_peer_mec_hash_detach(struct dp_soc *soc) 1055 { 1056 } 1057 #endif 1058 1059 #ifdef FEATURE_AST 1060 #ifdef WLAN_FEATURE_11BE_MLO 1061 /* 1062 * dp_peer_exist_on_pdev - check if peer with mac address exist on pdev 1063 * 1064 * @soc: Datapath SOC handle 1065 * @peer_mac_addr: peer mac address 1066 * @mac_addr_is_aligned: is mac address aligned 1067 * @pdev: Datapath PDEV handle 1068 * 1069 * Return: true if peer found else return false 1070 */ 1071 static bool dp_peer_exist_on_pdev(struct dp_soc *soc, 1072 uint8_t *peer_mac_addr, 1073 int mac_addr_is_aligned, 1074 struct dp_pdev *pdev) 1075 { 1076 union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; 1077 unsigned int index; 1078 struct dp_peer *peer; 1079 bool found = false; 1080 1081 if (mac_addr_is_aligned) { 1082 mac_addr = (union dp_align_mac_addr *)peer_mac_addr; 1083 } else { 1084 qdf_mem_copy( 1085 &local_mac_addr_aligned.raw[0], 1086 peer_mac_addr, QDF_MAC_ADDR_SIZE); 1087 mac_addr = &local_mac_addr_aligned; 1088 } 1089 index = dp_peer_find_hash_index(soc, mac_addr); 1090 qdf_spin_lock_bh(&soc->peer_hash_lock); 1091 TAILQ_FOREACH(peer, &soc->peer_hash.bins[index], hash_list_elem) { 1092 if (dp_peer_find_mac_addr_cmp(mac_addr, &peer->mac_addr) == 0 && 1093 (peer->vdev->pdev == pdev)) { 1094 found = true; 1095 break; 1096 } 1097 } 1098 qdf_spin_unlock_bh(&soc->peer_hash_lock); 1099 1100 if (found) 1101 return found; 1102 1103 peer = dp_mld_peer_find_hash_find(soc, peer_mac_addr, 1104 mac_addr_is_aligned, DP_VDEV_ALL, 1105 DP_MOD_ID_CDP); 1106 if (peer) { 1107 if (peer->vdev->pdev == pdev) 1108 found = true; 1109 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 1110 } 1111 1112 return found; 1113 } 1114 #else 1115 static bool dp_peer_exist_on_pdev(struct dp_soc *soc, 1116 uint8_t *peer_mac_addr, 1117 int mac_addr_is_aligned, 1118 struct dp_pdev *pdev) 1119 { 1120 union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; 1121 unsigned int index; 1122 struct dp_peer *peer; 1123 bool found = false; 1124 1125 if (mac_addr_is_aligned) { 1126 mac_addr = (union dp_align_mac_addr *)peer_mac_addr; 1127 } else { 1128 qdf_mem_copy( 1129 &local_mac_addr_aligned.raw[0], 1130 peer_mac_addr, QDF_MAC_ADDR_SIZE); 1131 mac_addr = &local_mac_addr_aligned; 1132 } 1133 index = dp_peer_find_hash_index(soc, mac_addr); 1134 qdf_spin_lock_bh(&soc->peer_hash_lock); 1135 TAILQ_FOREACH(peer, &soc->peer_hash.bins[index], hash_list_elem) { 1136 if (dp_peer_find_mac_addr_cmp(mac_addr, &peer->mac_addr) == 0 && 1137 (peer->vdev->pdev == pdev)) { 1138 found = true; 1139 break; 1140 } 1141 } 1142 qdf_spin_unlock_bh(&soc->peer_hash_lock); 1143 return found; 1144 } 1145 #endif /* WLAN_FEATURE_11BE_MLO */ 1146 1147 /* 1148 * dp_peer_ast_hash_attach() - Allocate and initialize AST Hash Table 1149 * @soc: SoC handle 1150 * 1151 * Return: QDF_STATUS 1152 */ 1153 QDF_STATUS dp_peer_ast_hash_attach(struct dp_soc *soc) 1154 { 1155 int i, hash_elems, log2; 1156 unsigned int max_ast_idx = wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx); 1157 1158 hash_elems = ((max_ast_idx * DP_AST_HASH_LOAD_MULT) >> 1159 DP_AST_HASH_LOAD_SHIFT); 1160 1161 log2 = dp_log2_ceil(hash_elems); 1162 hash_elems = 1 << log2; 1163 1164 soc->ast_hash.mask = hash_elems - 1; 1165 soc->ast_hash.idx_bits = log2; 1166 1167 dp_peer_info("%pK: ast hash_elems: %d, max_ast_idx: %d", 1168 soc, hash_elems, max_ast_idx); 1169 1170 /* allocate an array of TAILQ peer object lists */ 1171 soc->ast_hash.bins = qdf_mem_malloc( 1172 hash_elems * sizeof(TAILQ_HEAD(anonymous_tail_q, 1173 dp_ast_entry))); 1174 1175 if (!soc->ast_hash.bins) 1176 return QDF_STATUS_E_NOMEM; 1177 1178 for (i = 0; i < hash_elems; i++) 1179 TAILQ_INIT(&soc->ast_hash.bins[i]); 1180 1181 return QDF_STATUS_SUCCESS; 1182 } 1183 1184 /* 1185 * dp_peer_ast_cleanup() - cleanup the references 1186 * @soc: SoC handle 1187 * @ast: ast entry 1188 * 1189 * Return: None 1190 */ 1191 static inline void dp_peer_ast_cleanup(struct dp_soc *soc, 1192 struct dp_ast_entry *ast) 1193 { 1194 txrx_ast_free_cb cb = ast->callback; 1195 void *cookie = ast->cookie; 1196 1197 dp_peer_debug("mac_addr: " QDF_MAC_ADDR_FMT ", cb: %pK, cookie: %pK", 1198 QDF_MAC_ADDR_REF(ast->mac_addr.raw), cb, cookie); 1199 1200 /* Call the callbacks to free up the cookie */ 1201 if (cb) { 1202 ast->callback = NULL; 1203 ast->cookie = NULL; 1204 cb(soc->ctrl_psoc, 1205 dp_soc_to_cdp_soc(soc), 1206 cookie, 1207 CDP_TXRX_AST_DELETE_IN_PROGRESS); 1208 } 1209 } 1210 1211 /* 1212 * dp_peer_ast_hash_detach() - Free AST Hash table 1213 * @soc: SoC handle 1214 * 1215 * Return: None 1216 */ 1217 void dp_peer_ast_hash_detach(struct dp_soc *soc) 1218 { 1219 unsigned int index; 1220 struct dp_ast_entry *ast, *ast_next; 1221 1222 if (!soc->ast_hash.mask) 1223 return; 1224 1225 if (!soc->ast_hash.bins) 1226 return; 1227 1228 dp_peer_debug("%pK: num_ast_entries: %u", soc, soc->num_ast_entries); 1229 1230 qdf_spin_lock_bh(&soc->ast_lock); 1231 for (index = 0; index <= soc->ast_hash.mask; index++) { 1232 if (!TAILQ_EMPTY(&soc->ast_hash.bins[index])) { 1233 TAILQ_FOREACH_SAFE(ast, &soc->ast_hash.bins[index], 1234 hash_list_elem, ast_next) { 1235 TAILQ_REMOVE(&soc->ast_hash.bins[index], ast, 1236 hash_list_elem); 1237 dp_peer_ast_cleanup(soc, ast); 1238 soc->num_ast_entries--; 1239 qdf_mem_free(ast); 1240 } 1241 } 1242 } 1243 qdf_spin_unlock_bh(&soc->ast_lock); 1244 1245 qdf_mem_free(soc->ast_hash.bins); 1246 soc->ast_hash.bins = NULL; 1247 } 1248 1249 /* 1250 * dp_peer_ast_hash_index() - Compute the AST hash from MAC address 1251 * @soc: SoC handle 1252 * 1253 * Return: AST hash 1254 */ 1255 static inline uint32_t dp_peer_ast_hash_index(struct dp_soc *soc, 1256 union dp_align_mac_addr *mac_addr) 1257 { 1258 uint32_t index; 1259 1260 index = 1261 mac_addr->align2.bytes_ab ^ 1262 mac_addr->align2.bytes_cd ^ 1263 mac_addr->align2.bytes_ef; 1264 index ^= index >> soc->ast_hash.idx_bits; 1265 index &= soc->ast_hash.mask; 1266 return index; 1267 } 1268 1269 /* 1270 * dp_peer_ast_hash_add() - Add AST entry into hash table 1271 * @soc: SoC handle 1272 * 1273 * This function adds the AST entry into SoC AST hash table 1274 * It assumes caller has taken the ast lock to protect the access to this table 1275 * 1276 * Return: None 1277 */ 1278 static inline void dp_peer_ast_hash_add(struct dp_soc *soc, 1279 struct dp_ast_entry *ase) 1280 { 1281 uint32_t index; 1282 1283 index = dp_peer_ast_hash_index(soc, &ase->mac_addr); 1284 TAILQ_INSERT_TAIL(&soc->ast_hash.bins[index], ase, hash_list_elem); 1285 } 1286 1287 /* 1288 * dp_peer_ast_hash_remove() - Look up and remove AST entry from hash table 1289 * @soc: SoC handle 1290 * 1291 * This function removes the AST entry from soc AST hash table 1292 * It assumes caller has taken the ast lock to protect the access to this table 1293 * 1294 * Return: None 1295 */ 1296 void dp_peer_ast_hash_remove(struct dp_soc *soc, 1297 struct dp_ast_entry *ase) 1298 { 1299 unsigned index; 1300 struct dp_ast_entry *tmpase; 1301 int found = 0; 1302 1303 if (soc->ast_offload_support && !soc->host_ast_db_enable) 1304 return; 1305 1306 index = dp_peer_ast_hash_index(soc, &ase->mac_addr); 1307 /* Check if tail is not empty before delete*/ 1308 QDF_ASSERT(!TAILQ_EMPTY(&soc->ast_hash.bins[index])); 1309 1310 dp_peer_debug("ID: %u idx: %u mac_addr: " QDF_MAC_ADDR_FMT, 1311 ase->peer_id, index, QDF_MAC_ADDR_REF(ase->mac_addr.raw)); 1312 1313 TAILQ_FOREACH(tmpase, &soc->ast_hash.bins[index], hash_list_elem) { 1314 if (tmpase == ase) { 1315 found = 1; 1316 break; 1317 } 1318 } 1319 1320 QDF_ASSERT(found); 1321 1322 if (found) 1323 TAILQ_REMOVE(&soc->ast_hash.bins[index], ase, hash_list_elem); 1324 } 1325 1326 /* 1327 * dp_peer_ast_hash_find_by_vdevid() - Find AST entry by MAC address 1328 * @soc: SoC handle 1329 * 1330 * It assumes caller has taken the ast lock to protect the access to 1331 * AST hash table 1332 * 1333 * Return: AST entry 1334 */ 1335 struct dp_ast_entry *dp_peer_ast_hash_find_by_vdevid(struct dp_soc *soc, 1336 uint8_t *ast_mac_addr, 1337 uint8_t vdev_id) 1338 { 1339 union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; 1340 uint32_t index; 1341 struct dp_ast_entry *ase; 1342 1343 qdf_mem_copy(&local_mac_addr_aligned.raw[0], 1344 ast_mac_addr, QDF_MAC_ADDR_SIZE); 1345 mac_addr = &local_mac_addr_aligned; 1346 1347 index = dp_peer_ast_hash_index(soc, mac_addr); 1348 TAILQ_FOREACH(ase, &soc->ast_hash.bins[index], hash_list_elem) { 1349 if ((vdev_id == ase->vdev_id) && 1350 !dp_peer_find_mac_addr_cmp(mac_addr, &ase->mac_addr)) { 1351 return ase; 1352 } 1353 } 1354 1355 return NULL; 1356 } 1357 1358 /* 1359 * dp_peer_ast_hash_find_by_pdevid() - Find AST entry by MAC address 1360 * @soc: SoC handle 1361 * 1362 * It assumes caller has taken the ast lock to protect the access to 1363 * AST hash table 1364 * 1365 * Return: AST entry 1366 */ 1367 struct dp_ast_entry *dp_peer_ast_hash_find_by_pdevid(struct dp_soc *soc, 1368 uint8_t *ast_mac_addr, 1369 uint8_t pdev_id) 1370 { 1371 union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; 1372 uint32_t index; 1373 struct dp_ast_entry *ase; 1374 1375 qdf_mem_copy(&local_mac_addr_aligned.raw[0], 1376 ast_mac_addr, QDF_MAC_ADDR_SIZE); 1377 mac_addr = &local_mac_addr_aligned; 1378 1379 index = dp_peer_ast_hash_index(soc, mac_addr); 1380 TAILQ_FOREACH(ase, &soc->ast_hash.bins[index], hash_list_elem) { 1381 if ((pdev_id == ase->pdev_id) && 1382 !dp_peer_find_mac_addr_cmp(mac_addr, &ase->mac_addr)) { 1383 return ase; 1384 } 1385 } 1386 1387 return NULL; 1388 } 1389 1390 /* 1391 * dp_peer_ast_hash_find_soc() - Find AST entry by MAC address 1392 * @soc: SoC handle 1393 * 1394 * It assumes caller has taken the ast lock to protect the access to 1395 * AST hash table 1396 * 1397 * Return: AST entry 1398 */ 1399 struct dp_ast_entry *dp_peer_ast_hash_find_soc(struct dp_soc *soc, 1400 uint8_t *ast_mac_addr) 1401 { 1402 union dp_align_mac_addr local_mac_addr_aligned, *mac_addr; 1403 unsigned index; 1404 struct dp_ast_entry *ase; 1405 1406 if (!soc->ast_hash.bins) 1407 return NULL; 1408 1409 qdf_mem_copy(&local_mac_addr_aligned.raw[0], 1410 ast_mac_addr, QDF_MAC_ADDR_SIZE); 1411 mac_addr = &local_mac_addr_aligned; 1412 1413 index = dp_peer_ast_hash_index(soc, mac_addr); 1414 TAILQ_FOREACH(ase, &soc->ast_hash.bins[index], hash_list_elem) { 1415 if (dp_peer_find_mac_addr_cmp(mac_addr, &ase->mac_addr) == 0) { 1416 return ase; 1417 } 1418 } 1419 1420 return NULL; 1421 } 1422 1423 /* 1424 * dp_peer_host_add_map_ast() - Add ast entry with HW AST Index 1425 * @soc: SoC handle 1426 * @peer_id: peer id from firmware 1427 * @mac_addr: MAC address of ast node 1428 * @hw_peer_id: HW AST Index returned by target in peer map event 1429 * @vdev_id: vdev id for VAP to which the peer belongs to 1430 * @ast_hash: ast hash value in HW 1431 * @is_wds: flag to indicate peer map event for WDS ast entry 1432 * 1433 * Return: QDF_STATUS code 1434 */ 1435 static inline 1436 QDF_STATUS dp_peer_host_add_map_ast(struct dp_soc *soc, uint16_t peer_id, 1437 uint8_t *mac_addr, uint16_t hw_peer_id, 1438 uint8_t vdev_id, uint16_t ast_hash, 1439 uint8_t is_wds) 1440 { 1441 struct dp_vdev *vdev; 1442 struct dp_ast_entry *ast_entry; 1443 enum cdp_txrx_ast_entry_type type; 1444 struct dp_peer *peer; 1445 struct dp_peer *old_peer; 1446 QDF_STATUS status = QDF_STATUS_SUCCESS; 1447 1448 if (is_wds) 1449 type = CDP_TXRX_AST_TYPE_WDS; 1450 else 1451 type = CDP_TXRX_AST_TYPE_STATIC; 1452 1453 peer = dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_HTT); 1454 if (!peer) { 1455 dp_peer_info("Peer not found soc:%pK: peer_id %d, peer_mac " QDF_MAC_ADDR_FMT ", vdev_id %d", 1456 soc, peer_id, 1457 QDF_MAC_ADDR_REF(mac_addr), vdev_id); 1458 return QDF_STATUS_E_INVAL; 1459 } 1460 1461 if (!is_wds && IS_MLO_DP_MLD_PEER(peer)) 1462 type = CDP_TXRX_AST_TYPE_MLD; 1463 1464 vdev = peer->vdev; 1465 if (!vdev) { 1466 dp_peer_err("%pK: Peers vdev is NULL", soc); 1467 status = QDF_STATUS_E_INVAL; 1468 goto fail; 1469 } 1470 1471 if (!dp_peer_state_cmp(peer, DP_PEER_STATE_ACTIVE)) { 1472 if (type != CDP_TXRX_AST_TYPE_STATIC && 1473 type != CDP_TXRX_AST_TYPE_MLD && 1474 type != CDP_TXRX_AST_TYPE_SELF) { 1475 status = QDF_STATUS_E_BUSY; 1476 goto fail; 1477 } 1478 } 1479 1480 dp_peer_debug("%pK: vdev: %u ast_entry->type: %d peer_mac: " QDF_MAC_ADDR_FMT " peer: %pK mac " QDF_MAC_ADDR_FMT, 1481 soc, vdev->vdev_id, type, 1482 QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer, 1483 QDF_MAC_ADDR_REF(mac_addr)); 1484 1485 /* 1486 * In MLO scenario, there is possibility for same mac address 1487 * on both link mac address and MLD mac address. 1488 * Duplicate AST map needs to be handled for non-mld type. 1489 */ 1490 qdf_spin_lock_bh(&soc->ast_lock); 1491 ast_entry = dp_peer_ast_hash_find_soc(soc, mac_addr); 1492 if (ast_entry && type != CDP_TXRX_AST_TYPE_MLD) { 1493 dp_peer_debug("AST present ID %d vid %d mac " QDF_MAC_ADDR_FMT, 1494 hw_peer_id, vdev_id, 1495 QDF_MAC_ADDR_REF(mac_addr)); 1496 1497 old_peer = __dp_peer_get_ref_by_id(soc, ast_entry->peer_id, 1498 DP_MOD_ID_AST); 1499 if (!old_peer) { 1500 dp_peer_info("Peer not found soc:%pK: peer_id %d, peer_mac " QDF_MAC_ADDR_FMT ", vdev_id %d", 1501 soc, ast_entry->peer_id, 1502 QDF_MAC_ADDR_REF(mac_addr), vdev_id); 1503 qdf_spin_unlock_bh(&soc->ast_lock); 1504 status = QDF_STATUS_E_INVAL; 1505 goto fail; 1506 } 1507 1508 dp_peer_unlink_ast_entry(soc, ast_entry, old_peer); 1509 dp_peer_free_ast_entry(soc, ast_entry); 1510 if (old_peer) 1511 dp_peer_unref_delete(old_peer, DP_MOD_ID_AST); 1512 } 1513 1514 ast_entry = (struct dp_ast_entry *) 1515 qdf_mem_malloc(sizeof(struct dp_ast_entry)); 1516 if (!ast_entry) { 1517 dp_peer_err("%pK: fail to allocate ast_entry", soc); 1518 qdf_spin_unlock_bh(&soc->ast_lock); 1519 QDF_ASSERT(0); 1520 status = QDF_STATUS_E_NOMEM; 1521 goto fail; 1522 } 1523 1524 qdf_mem_copy(&ast_entry->mac_addr.raw[0], mac_addr, QDF_MAC_ADDR_SIZE); 1525 ast_entry->pdev_id = vdev->pdev->pdev_id; 1526 ast_entry->is_mapped = false; 1527 ast_entry->delete_in_progress = false; 1528 ast_entry->next_hop = 0; 1529 ast_entry->vdev_id = vdev->vdev_id; 1530 ast_entry->type = type; 1531 1532 switch (type) { 1533 case CDP_TXRX_AST_TYPE_STATIC: 1534 if (peer->vdev->opmode == wlan_op_mode_sta) 1535 ast_entry->type = CDP_TXRX_AST_TYPE_STA_BSS; 1536 break; 1537 case CDP_TXRX_AST_TYPE_WDS: 1538 ast_entry->next_hop = 1; 1539 break; 1540 case CDP_TXRX_AST_TYPE_MLD: 1541 break; 1542 default: 1543 dp_peer_alert("%pK: Incorrect AST entry type", soc); 1544 } 1545 1546 ast_entry->is_active = TRUE; 1547 DP_STATS_INC(soc, ast.added, 1); 1548 soc->num_ast_entries++; 1549 dp_peer_ast_hash_add(soc, ast_entry); 1550 1551 ast_entry->ast_idx = hw_peer_id; 1552 ast_entry->ast_hash_value = ast_hash; 1553 ast_entry->peer_id = peer_id; 1554 TAILQ_INSERT_TAIL(&peer->ast_entry_list, ast_entry, 1555 ase_list_elem); 1556 1557 qdf_spin_unlock_bh(&soc->ast_lock); 1558 fail: 1559 dp_peer_unref_delete(peer, DP_MOD_ID_HTT); 1560 1561 return status; 1562 } 1563 1564 /* 1565 * dp_peer_map_ast() - Map the ast entry with HW AST Index 1566 * @soc: SoC handle 1567 * @peer: peer to which ast node belongs 1568 * @mac_addr: MAC address of ast node 1569 * @hw_peer_id: HW AST Index returned by target in peer map event 1570 * @vdev_id: vdev id for VAP to which the peer belongs to 1571 * @ast_hash: ast hash value in HW 1572 * @is_wds: flag to indicate peer map event for WDS ast entry 1573 * 1574 * Return: QDF_STATUS code 1575 */ 1576 static inline QDF_STATUS dp_peer_map_ast(struct dp_soc *soc, 1577 struct dp_peer *peer, 1578 uint8_t *mac_addr, 1579 uint16_t hw_peer_id, 1580 uint8_t vdev_id, 1581 uint16_t ast_hash, 1582 uint8_t is_wds) 1583 { 1584 struct dp_ast_entry *ast_entry = NULL; 1585 enum cdp_txrx_ast_entry_type peer_type = CDP_TXRX_AST_TYPE_STATIC; 1586 void *cookie = NULL; 1587 txrx_ast_free_cb cb = NULL; 1588 QDF_STATUS err = QDF_STATUS_SUCCESS; 1589 1590 if (soc->ast_offload_support) 1591 return QDF_STATUS_SUCCESS; 1592 1593 if (!peer) { 1594 return QDF_STATUS_E_INVAL; 1595 } 1596 1597 dp_peer_err("%pK: peer %pK ID %d vid %d mac " QDF_MAC_ADDR_FMT, 1598 soc, peer, hw_peer_id, vdev_id, 1599 QDF_MAC_ADDR_REF(mac_addr)); 1600 1601 qdf_spin_lock_bh(&soc->ast_lock); 1602 1603 ast_entry = dp_peer_ast_hash_find_by_vdevid(soc, mac_addr, vdev_id); 1604 1605 if (is_wds) { 1606 /* 1607 * In certain cases like Auth attack on a repeater 1608 * can result in the number of ast_entries falling 1609 * in the same hash bucket to exceed the max_skid 1610 * length supported by HW in root AP. In these cases 1611 * the FW will return the hw_peer_id (ast_index) as 1612 * 0xffff indicating HW could not add the entry in 1613 * its table. Host has to delete the entry from its 1614 * table in these cases. 1615 */ 1616 if (hw_peer_id == HTT_INVALID_PEER) { 1617 DP_STATS_INC(soc, ast.map_err, 1); 1618 if (ast_entry) { 1619 if (ast_entry->is_mapped) { 1620 soc->ast_table[ast_entry->ast_idx] = 1621 NULL; 1622 } 1623 1624 cb = ast_entry->callback; 1625 cookie = ast_entry->cookie; 1626 peer_type = ast_entry->type; 1627 1628 dp_peer_unlink_ast_entry(soc, ast_entry, peer); 1629 dp_peer_free_ast_entry(soc, ast_entry); 1630 1631 qdf_spin_unlock_bh(&soc->ast_lock); 1632 1633 if (cb) { 1634 cb(soc->ctrl_psoc, 1635 dp_soc_to_cdp_soc(soc), 1636 cookie, 1637 CDP_TXRX_AST_DELETED); 1638 } 1639 } else { 1640 qdf_spin_unlock_bh(&soc->ast_lock); 1641 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", 1642 peer, peer->peer_id, 1643 QDF_MAC_ADDR_REF(peer->mac_addr.raw), 1644 QDF_MAC_ADDR_REF(mac_addr), 1645 vdev_id, is_wds); 1646 } 1647 err = QDF_STATUS_E_INVAL; 1648 1649 dp_hmwds_ast_add_notify(peer, mac_addr, 1650 peer_type, err, true); 1651 1652 return err; 1653 } 1654 } 1655 1656 if (ast_entry) { 1657 ast_entry->ast_idx = hw_peer_id; 1658 soc->ast_table[hw_peer_id] = ast_entry; 1659 ast_entry->is_active = TRUE; 1660 peer_type = ast_entry->type; 1661 ast_entry->ast_hash_value = ast_hash; 1662 ast_entry->is_mapped = TRUE; 1663 qdf_assert_always(ast_entry->peer_id == HTT_INVALID_PEER); 1664 1665 ast_entry->peer_id = peer->peer_id; 1666 TAILQ_INSERT_TAIL(&peer->ast_entry_list, ast_entry, 1667 ase_list_elem); 1668 } 1669 1670 if (ast_entry || (peer->vdev && peer->vdev->proxysta_vdev)) { 1671 if (soc->cdp_soc.ol_ops->peer_map_event) { 1672 soc->cdp_soc.ol_ops->peer_map_event( 1673 soc->ctrl_psoc, peer->peer_id, 1674 hw_peer_id, vdev_id, 1675 mac_addr, peer_type, ast_hash); 1676 } 1677 } else { 1678 dp_peer_err("%pK: AST entry not found", soc); 1679 err = QDF_STATUS_E_NOENT; 1680 } 1681 1682 qdf_spin_unlock_bh(&soc->ast_lock); 1683 1684 dp_hmwds_ast_add_notify(peer, mac_addr, 1685 peer_type, err, true); 1686 1687 return err; 1688 } 1689 1690 void dp_peer_free_hmwds_cb(struct cdp_ctrl_objmgr_psoc *ctrl_psoc, 1691 struct cdp_soc *dp_soc, 1692 void *cookie, 1693 enum cdp_ast_free_status status) 1694 { 1695 struct dp_ast_free_cb_params *param = 1696 (struct dp_ast_free_cb_params *)cookie; 1697 struct dp_soc *soc = (struct dp_soc *)dp_soc; 1698 struct dp_peer *peer = NULL; 1699 QDF_STATUS err = QDF_STATUS_SUCCESS; 1700 1701 if (status != CDP_TXRX_AST_DELETED) { 1702 qdf_mem_free(cookie); 1703 return; 1704 } 1705 1706 peer = dp_peer_find_hash_find(soc, ¶m->peer_mac_addr.raw[0], 1707 0, param->vdev_id, DP_MOD_ID_AST); 1708 if (peer) { 1709 err = dp_peer_add_ast(soc, peer, 1710 ¶m->mac_addr.raw[0], 1711 param->type, 1712 param->flags); 1713 1714 dp_hmwds_ast_add_notify(peer, ¶m->mac_addr.raw[0], 1715 param->type, err, false); 1716 1717 dp_peer_unref_delete(peer, DP_MOD_ID_AST); 1718 } 1719 qdf_mem_free(cookie); 1720 } 1721 1722 /* 1723 * dp_peer_add_ast() - Allocate and add AST entry into peer list 1724 * @soc: SoC handle 1725 * @peer: peer to which ast node belongs 1726 * @mac_addr: MAC address of ast node 1727 * @is_self: Is this base AST entry with peer mac address 1728 * 1729 * This API is used by WDS source port learning function to 1730 * add a new AST entry into peer AST list 1731 * 1732 * Return: QDF_STATUS code 1733 */ 1734 QDF_STATUS dp_peer_add_ast(struct dp_soc *soc, 1735 struct dp_peer *peer, 1736 uint8_t *mac_addr, 1737 enum cdp_txrx_ast_entry_type type, 1738 uint32_t flags) 1739 { 1740 struct dp_ast_entry *ast_entry = NULL; 1741 struct dp_vdev *vdev = NULL; 1742 struct dp_pdev *pdev = NULL; 1743 txrx_ast_free_cb cb = NULL; 1744 void *cookie = NULL; 1745 struct dp_peer *vap_bss_peer = NULL; 1746 bool is_peer_found = false; 1747 int status = 0; 1748 1749 if (soc->ast_offload_support) 1750 return QDF_STATUS_E_INVAL; 1751 1752 vdev = peer->vdev; 1753 if (!vdev) { 1754 dp_peer_err("%pK: Peers vdev is NULL", soc); 1755 QDF_ASSERT(0); 1756 return QDF_STATUS_E_INVAL; 1757 } 1758 1759 pdev = vdev->pdev; 1760 1761 is_peer_found = dp_peer_exist_on_pdev(soc, mac_addr, 0, pdev); 1762 1763 qdf_spin_lock_bh(&soc->ast_lock); 1764 1765 if (!dp_peer_state_cmp(peer, DP_PEER_STATE_ACTIVE)) { 1766 if ((type != CDP_TXRX_AST_TYPE_STATIC) && 1767 (type != CDP_TXRX_AST_TYPE_SELF)) { 1768 qdf_spin_unlock_bh(&soc->ast_lock); 1769 return QDF_STATUS_E_BUSY; 1770 } 1771 } 1772 1773 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, 1774 soc, pdev->pdev_id, vdev->vdev_id, type, flags, 1775 QDF_MAC_ADDR_REF(peer->mac_addr.raw), peer, 1776 QDF_MAC_ADDR_REF(mac_addr)); 1777 1778 /* fw supports only 2 times the max_peers ast entries */ 1779 if (soc->num_ast_entries >= 1780 wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx)) { 1781 qdf_spin_unlock_bh(&soc->ast_lock); 1782 dp_peer_err("%pK: Max ast entries reached", soc); 1783 return QDF_STATUS_E_RESOURCES; 1784 } 1785 1786 /* If AST entry already exists , just return from here 1787 * ast entry with same mac address can exist on different radios 1788 * if ast_override support is enabled use search by pdev in this 1789 * case 1790 */ 1791 if (soc->ast_override_support) { 1792 ast_entry = dp_peer_ast_hash_find_by_pdevid(soc, mac_addr, 1793 pdev->pdev_id); 1794 if (ast_entry) { 1795 qdf_spin_unlock_bh(&soc->ast_lock); 1796 return QDF_STATUS_E_ALREADY; 1797 } 1798 1799 if (is_peer_found) { 1800 /* During WDS to static roaming, peer is added 1801 * to the list before static AST entry create. 1802 * So, allow AST entry for STATIC type 1803 * even if peer is present 1804 */ 1805 if (type != CDP_TXRX_AST_TYPE_STATIC) { 1806 qdf_spin_unlock_bh(&soc->ast_lock); 1807 return QDF_STATUS_E_ALREADY; 1808 } 1809 } 1810 } else { 1811 /* For HWMWDS_SEC entries can be added for same mac address 1812 * do not check for existing entry 1813 */ 1814 if (type == CDP_TXRX_AST_TYPE_WDS_HM_SEC) 1815 goto add_ast_entry; 1816 1817 ast_entry = dp_peer_ast_hash_find_soc(soc, mac_addr); 1818 1819 if (ast_entry) { 1820 if ((ast_entry->type == CDP_TXRX_AST_TYPE_WDS_HM) && 1821 !ast_entry->delete_in_progress) { 1822 qdf_spin_unlock_bh(&soc->ast_lock); 1823 return QDF_STATUS_E_ALREADY; 1824 } 1825 1826 /* Add for HMWDS entry we cannot be ignored if there 1827 * is AST entry with same mac address 1828 * 1829 * if ast entry exists with the requested mac address 1830 * send a delete command and register callback which 1831 * can take care of adding HMWDS ast entry on delete 1832 * confirmation from target 1833 */ 1834 if (type == CDP_TXRX_AST_TYPE_WDS_HM) { 1835 struct dp_ast_free_cb_params *param = NULL; 1836 1837 if (ast_entry->type == 1838 CDP_TXRX_AST_TYPE_WDS_HM_SEC) 1839 goto add_ast_entry; 1840 1841 /* save existing callback */ 1842 if (ast_entry->callback) { 1843 cb = ast_entry->callback; 1844 cookie = ast_entry->cookie; 1845 } 1846 1847 param = qdf_mem_malloc(sizeof(*param)); 1848 if (!param) { 1849 QDF_TRACE(QDF_MODULE_ID_TXRX, 1850 QDF_TRACE_LEVEL_ERROR, 1851 "Allocation failed"); 1852 qdf_spin_unlock_bh(&soc->ast_lock); 1853 return QDF_STATUS_E_NOMEM; 1854 } 1855 1856 qdf_mem_copy(¶m->mac_addr.raw[0], mac_addr, 1857 QDF_MAC_ADDR_SIZE); 1858 qdf_mem_copy(¶m->peer_mac_addr.raw[0], 1859 &peer->mac_addr.raw[0], 1860 QDF_MAC_ADDR_SIZE); 1861 param->type = type; 1862 param->flags = flags; 1863 param->vdev_id = vdev->vdev_id; 1864 ast_entry->callback = dp_peer_free_hmwds_cb; 1865 ast_entry->pdev_id = vdev->pdev->pdev_id; 1866 ast_entry->type = type; 1867 ast_entry->cookie = (void *)param; 1868 if (!ast_entry->delete_in_progress) 1869 dp_peer_del_ast(soc, ast_entry); 1870 1871 qdf_spin_unlock_bh(&soc->ast_lock); 1872 1873 /* Call the saved callback*/ 1874 if (cb) { 1875 cb(soc->ctrl_psoc, 1876 dp_soc_to_cdp_soc(soc), 1877 cookie, 1878 CDP_TXRX_AST_DELETE_IN_PROGRESS); 1879 } 1880 return QDF_STATUS_E_AGAIN; 1881 } 1882 1883 qdf_spin_unlock_bh(&soc->ast_lock); 1884 return QDF_STATUS_E_ALREADY; 1885 } 1886 } 1887 1888 add_ast_entry: 1889 ast_entry = (struct dp_ast_entry *) 1890 qdf_mem_malloc(sizeof(struct dp_ast_entry)); 1891 1892 if (!ast_entry) { 1893 qdf_spin_unlock_bh(&soc->ast_lock); 1894 dp_peer_err("%pK: fail to allocate ast_entry", soc); 1895 QDF_ASSERT(0); 1896 return QDF_STATUS_E_NOMEM; 1897 } 1898 1899 qdf_mem_copy(&ast_entry->mac_addr.raw[0], mac_addr, QDF_MAC_ADDR_SIZE); 1900 ast_entry->pdev_id = vdev->pdev->pdev_id; 1901 ast_entry->is_mapped = false; 1902 ast_entry->delete_in_progress = false; 1903 ast_entry->peer_id = HTT_INVALID_PEER; 1904 ast_entry->next_hop = 0; 1905 ast_entry->vdev_id = vdev->vdev_id; 1906 1907 switch (type) { 1908 case CDP_TXRX_AST_TYPE_STATIC: 1909 peer->self_ast_entry = ast_entry; 1910 ast_entry->type = CDP_TXRX_AST_TYPE_STATIC; 1911 if (peer->vdev->opmode == wlan_op_mode_sta) 1912 ast_entry->type = CDP_TXRX_AST_TYPE_STA_BSS; 1913 break; 1914 case CDP_TXRX_AST_TYPE_SELF: 1915 peer->self_ast_entry = ast_entry; 1916 ast_entry->type = CDP_TXRX_AST_TYPE_SELF; 1917 break; 1918 case CDP_TXRX_AST_TYPE_WDS: 1919 ast_entry->next_hop = 1; 1920 ast_entry->type = CDP_TXRX_AST_TYPE_WDS; 1921 break; 1922 case CDP_TXRX_AST_TYPE_WDS_HM: 1923 ast_entry->next_hop = 1; 1924 ast_entry->type = CDP_TXRX_AST_TYPE_WDS_HM; 1925 break; 1926 case CDP_TXRX_AST_TYPE_WDS_HM_SEC: 1927 ast_entry->next_hop = 1; 1928 ast_entry->type = CDP_TXRX_AST_TYPE_WDS_HM_SEC; 1929 ast_entry->peer_id = peer->peer_id; 1930 TAILQ_INSERT_TAIL(&peer->ast_entry_list, ast_entry, 1931 ase_list_elem); 1932 break; 1933 case CDP_TXRX_AST_TYPE_DA: 1934 vap_bss_peer = dp_vdev_bss_peer_ref_n_get(soc, vdev, 1935 DP_MOD_ID_AST); 1936 if (!vap_bss_peer) { 1937 qdf_spin_unlock_bh(&soc->ast_lock); 1938 qdf_mem_free(ast_entry); 1939 return QDF_STATUS_E_FAILURE; 1940 } 1941 peer = vap_bss_peer; 1942 ast_entry->next_hop = 1; 1943 ast_entry->type = CDP_TXRX_AST_TYPE_DA; 1944 break; 1945 default: 1946 dp_peer_err("%pK: Incorrect AST entry type", soc); 1947 } 1948 1949 ast_entry->is_active = TRUE; 1950 DP_STATS_INC(soc, ast.added, 1); 1951 soc->num_ast_entries++; 1952 dp_peer_ast_hash_add(soc, ast_entry); 1953 1954 if ((ast_entry->type != CDP_TXRX_AST_TYPE_STATIC) && 1955 (ast_entry->type != CDP_TXRX_AST_TYPE_SELF) && 1956 (ast_entry->type != CDP_TXRX_AST_TYPE_STA_BSS) && 1957 (ast_entry->type != CDP_TXRX_AST_TYPE_WDS_HM_SEC)) 1958 status = dp_add_wds_entry_wrapper(soc, 1959 peer, 1960 mac_addr, 1961 flags, 1962 ast_entry->type); 1963 1964 if (vap_bss_peer) 1965 dp_peer_unref_delete(vap_bss_peer, DP_MOD_ID_AST); 1966 1967 qdf_spin_unlock_bh(&soc->ast_lock); 1968 return qdf_status_from_os_return(status); 1969 } 1970 1971 qdf_export_symbol(dp_peer_add_ast); 1972 1973 /* 1974 * dp_peer_free_ast_entry() - Free up the ast entry memory 1975 * @soc: SoC handle 1976 * @ast_entry: Address search entry 1977 * 1978 * This API is used to free up the memory associated with 1979 * AST entry. 1980 * 1981 * Return: None 1982 */ 1983 void dp_peer_free_ast_entry(struct dp_soc *soc, 1984 struct dp_ast_entry *ast_entry) 1985 { 1986 /* 1987 * NOTE: Ensure that call to this API is done 1988 * after soc->ast_lock is taken 1989 */ 1990 dp_peer_debug("type: %d ID: %u vid: %u mac_addr: " QDF_MAC_ADDR_FMT, 1991 ast_entry->type, ast_entry->peer_id, ast_entry->vdev_id, 1992 QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw)); 1993 1994 ast_entry->callback = NULL; 1995 ast_entry->cookie = NULL; 1996 1997 DP_STATS_INC(soc, ast.deleted, 1); 1998 dp_peer_ast_hash_remove(soc, ast_entry); 1999 dp_peer_ast_cleanup(soc, ast_entry); 2000 qdf_mem_free(ast_entry); 2001 soc->num_ast_entries--; 2002 } 2003 2004 /* 2005 * dp_peer_unlink_ast_entry() - Free up the ast entry memory 2006 * @soc: SoC handle 2007 * @ast_entry: Address search entry 2008 * @peer: peer 2009 * 2010 * This API is used to remove/unlink AST entry from the peer list 2011 * and hash list. 2012 * 2013 * Return: None 2014 */ 2015 void dp_peer_unlink_ast_entry(struct dp_soc *soc, 2016 struct dp_ast_entry *ast_entry, 2017 struct dp_peer *peer) 2018 { 2019 if (!peer) { 2020 dp_info_rl("NULL peer"); 2021 return; 2022 } 2023 2024 if (ast_entry->peer_id == HTT_INVALID_PEER) { 2025 dp_info_rl("Invalid peer id in AST entry mac addr:"QDF_MAC_ADDR_FMT" type:%d", 2026 QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw), 2027 ast_entry->type); 2028 return; 2029 } 2030 /* 2031 * NOTE: Ensure that call to this API is done 2032 * after soc->ast_lock is taken 2033 */ 2034 2035 qdf_assert_always(ast_entry->peer_id == peer->peer_id); 2036 TAILQ_REMOVE(&peer->ast_entry_list, ast_entry, ase_list_elem); 2037 2038 if (ast_entry == peer->self_ast_entry) 2039 peer->self_ast_entry = NULL; 2040 2041 /* 2042 * release the reference only if it is mapped 2043 * to ast_table 2044 */ 2045 if (ast_entry->is_mapped) 2046 soc->ast_table[ast_entry->ast_idx] = NULL; 2047 2048 ast_entry->peer_id = HTT_INVALID_PEER; 2049 } 2050 2051 /* 2052 * dp_peer_del_ast() - Delete and free AST entry 2053 * @soc: SoC handle 2054 * @ast_entry: AST entry of the node 2055 * 2056 * This function removes the AST entry from peer and soc tables 2057 * It assumes caller has taken the ast lock to protect the access to these 2058 * tables 2059 * 2060 * Return: None 2061 */ 2062 void dp_peer_del_ast(struct dp_soc *soc, struct dp_ast_entry *ast_entry) 2063 { 2064 struct dp_peer *peer = NULL; 2065 2066 if (soc->ast_offload_support) 2067 return; 2068 2069 if (!ast_entry) { 2070 dp_info_rl("NULL AST entry"); 2071 return; 2072 } 2073 2074 if (ast_entry->delete_in_progress) { 2075 dp_info_rl("AST entry deletion in progress mac addr:"QDF_MAC_ADDR_FMT" type:%d", 2076 QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw), 2077 ast_entry->type); 2078 return; 2079 } 2080 2081 dp_peer_debug("call by %ps: ID: %u vid: %u mac_addr: " QDF_MAC_ADDR_FMT, 2082 (void *)_RET_IP_, ast_entry->peer_id, ast_entry->vdev_id, 2083 QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw)); 2084 2085 ast_entry->delete_in_progress = true; 2086 2087 /* In teardown del ast is called after setting logical delete state 2088 * use __dp_peer_get_ref_by_id to get the reference irrespective of 2089 * state 2090 */ 2091 peer = __dp_peer_get_ref_by_id(soc, ast_entry->peer_id, 2092 DP_MOD_ID_AST); 2093 2094 dp_peer_ast_send_wds_del(soc, ast_entry, peer); 2095 2096 /* Remove SELF and STATIC entries in teardown itself */ 2097 if (!ast_entry->next_hop) 2098 dp_peer_unlink_ast_entry(soc, ast_entry, peer); 2099 2100 if (ast_entry->is_mapped) 2101 soc->ast_table[ast_entry->ast_idx] = NULL; 2102 2103 /* if peer map v2 is enabled we are not freeing ast entry 2104 * here and it is supposed to be freed in unmap event (after 2105 * we receive delete confirmation from target) 2106 * 2107 * if peer_id is invalid we did not get the peer map event 2108 * for the peer free ast entry from here only in this case 2109 */ 2110 if (dp_peer_ast_free_in_unmap_supported(soc, ast_entry)) 2111 goto end; 2112 2113 /* for WDS secondary entry ast_entry->next_hop would be set so 2114 * unlinking has to be done explicitly here. 2115 * As this entry is not a mapped entry unmap notification from 2116 * FW will not come. Hence unlinkling is done right here. 2117 */ 2118 2119 if (ast_entry->type == CDP_TXRX_AST_TYPE_WDS_HM_SEC) 2120 dp_peer_unlink_ast_entry(soc, ast_entry, peer); 2121 2122 dp_peer_free_ast_entry(soc, ast_entry); 2123 2124 end: 2125 if (peer) 2126 dp_peer_unref_delete(peer, DP_MOD_ID_AST); 2127 } 2128 2129 /* 2130 * dp_peer_update_ast() - Delete and free AST entry 2131 * @soc: SoC handle 2132 * @peer: peer to which ast node belongs 2133 * @ast_entry: AST entry of the node 2134 * @flags: wds or hmwds 2135 * 2136 * This function update the AST entry to the roamed peer and soc tables 2137 * It assumes caller has taken the ast lock to protect the access to these 2138 * tables 2139 * 2140 * Return: 0 if ast entry is updated successfully 2141 * -1 failure 2142 */ 2143 int dp_peer_update_ast(struct dp_soc *soc, struct dp_peer *peer, 2144 struct dp_ast_entry *ast_entry, uint32_t flags) 2145 { 2146 int ret = -1; 2147 struct dp_peer *old_peer; 2148 2149 if (soc->ast_offload_support) 2150 return QDF_STATUS_E_INVAL; 2151 2152 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", 2153 soc, ast_entry->type, peer->vdev->pdev->pdev_id, 2154 peer->vdev->vdev_id, flags, 2155 QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw), 2156 QDF_MAC_ADDR_REF(peer->mac_addr.raw)); 2157 2158 /* Do not send AST update in below cases 2159 * 1) Ast entry delete has already triggered 2160 * 2) Peer delete is already triggered 2161 * 3) We did not get the HTT map for create event 2162 */ 2163 if (ast_entry->delete_in_progress || 2164 !dp_peer_state_cmp(peer, DP_PEER_STATE_ACTIVE) || 2165 !ast_entry->is_mapped) 2166 return ret; 2167 2168 if ((ast_entry->type == CDP_TXRX_AST_TYPE_STATIC) || 2169 (ast_entry->type == CDP_TXRX_AST_TYPE_SELF) || 2170 (ast_entry->type == CDP_TXRX_AST_TYPE_STA_BSS) || 2171 (ast_entry->type == CDP_TXRX_AST_TYPE_WDS_HM_SEC)) 2172 return 0; 2173 2174 /* 2175 * Avoids flood of WMI update messages sent to FW for same peer. 2176 */ 2177 if (qdf_unlikely(ast_entry->peer_id == peer->peer_id) && 2178 (ast_entry->type == CDP_TXRX_AST_TYPE_WDS) && 2179 (ast_entry->vdev_id == peer->vdev->vdev_id) && 2180 (ast_entry->is_active)) 2181 return 0; 2182 2183 old_peer = dp_peer_get_ref_by_id(soc, ast_entry->peer_id, 2184 DP_MOD_ID_AST); 2185 if (!old_peer) 2186 return 0; 2187 2188 TAILQ_REMOVE(&old_peer->ast_entry_list, ast_entry, ase_list_elem); 2189 2190 dp_peer_unref_delete(old_peer, DP_MOD_ID_AST); 2191 2192 ast_entry->peer_id = peer->peer_id; 2193 ast_entry->type = CDP_TXRX_AST_TYPE_WDS; 2194 ast_entry->pdev_id = peer->vdev->pdev->pdev_id; 2195 ast_entry->vdev_id = peer->vdev->vdev_id; 2196 ast_entry->is_active = TRUE; 2197 TAILQ_INSERT_TAIL(&peer->ast_entry_list, ast_entry, ase_list_elem); 2198 2199 ret = dp_update_wds_entry_wrapper(soc, 2200 peer, 2201 ast_entry->mac_addr.raw, 2202 flags); 2203 2204 return ret; 2205 } 2206 2207 /* 2208 * dp_peer_ast_get_pdev_id() - get pdev_id from the ast entry 2209 * @soc: SoC handle 2210 * @ast_entry: AST entry of the node 2211 * 2212 * This function gets the pdev_id from the ast entry. 2213 * 2214 * Return: (uint8_t) pdev_id 2215 */ 2216 uint8_t dp_peer_ast_get_pdev_id(struct dp_soc *soc, 2217 struct dp_ast_entry *ast_entry) 2218 { 2219 return ast_entry->pdev_id; 2220 } 2221 2222 /* 2223 * dp_peer_ast_get_next_hop() - get next_hop from the ast entry 2224 * @soc: SoC handle 2225 * @ast_entry: AST entry of the node 2226 * 2227 * This function gets the next hop from the ast entry. 2228 * 2229 * Return: (uint8_t) next_hop 2230 */ 2231 uint8_t dp_peer_ast_get_next_hop(struct dp_soc *soc, 2232 struct dp_ast_entry *ast_entry) 2233 { 2234 return ast_entry->next_hop; 2235 } 2236 2237 /* 2238 * dp_peer_ast_set_type() - set type from the ast entry 2239 * @soc: SoC handle 2240 * @ast_entry: AST entry of the node 2241 * 2242 * This function sets the type in the ast entry. 2243 * 2244 * Return: 2245 */ 2246 void dp_peer_ast_set_type(struct dp_soc *soc, 2247 struct dp_ast_entry *ast_entry, 2248 enum cdp_txrx_ast_entry_type type) 2249 { 2250 ast_entry->type = type; 2251 } 2252 2253 void dp_peer_ast_send_wds_del(struct dp_soc *soc, 2254 struct dp_ast_entry *ast_entry, 2255 struct dp_peer *peer) 2256 { 2257 bool delete_in_fw = false; 2258 2259 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_TRACE, 2260 "%s: ast_entry->type: %d pdevid: %u vdev: %u mac_addr: "QDF_MAC_ADDR_FMT" next_hop: %u peer_id: %uM\n", 2261 __func__, ast_entry->type, ast_entry->pdev_id, 2262 ast_entry->vdev_id, 2263 QDF_MAC_ADDR_REF(ast_entry->mac_addr.raw), 2264 ast_entry->next_hop, ast_entry->peer_id); 2265 2266 /* 2267 * If peer state is logical delete, the peer is about to get 2268 * teared down with a peer delete command to firmware, 2269 * which will cleanup all the wds ast entries. 2270 * So, no need to send explicit wds ast delete to firmware. 2271 */ 2272 if (ast_entry->next_hop) { 2273 if (peer && dp_peer_state_cmp(peer, 2274 DP_PEER_STATE_LOGICAL_DELETE)) 2275 delete_in_fw = false; 2276 else 2277 delete_in_fw = true; 2278 2279 dp_del_wds_entry_wrapper(soc, 2280 ast_entry->vdev_id, 2281 ast_entry->mac_addr.raw, 2282 ast_entry->type, 2283 delete_in_fw); 2284 } 2285 } 2286 #else 2287 void dp_peer_free_ast_entry(struct dp_soc *soc, 2288 struct dp_ast_entry *ast_entry) 2289 { 2290 } 2291 2292 void dp_peer_unlink_ast_entry(struct dp_soc *soc, 2293 struct dp_ast_entry *ast_entry, 2294 struct dp_peer *peer) 2295 { 2296 } 2297 2298 void dp_peer_ast_hash_remove(struct dp_soc *soc, 2299 struct dp_ast_entry *ase) 2300 { 2301 } 2302 2303 struct dp_ast_entry *dp_peer_ast_hash_find_by_vdevid(struct dp_soc *soc, 2304 uint8_t *ast_mac_addr, 2305 uint8_t vdev_id) 2306 { 2307 return NULL; 2308 } 2309 2310 QDF_STATUS dp_peer_add_ast(struct dp_soc *soc, 2311 struct dp_peer *peer, 2312 uint8_t *mac_addr, 2313 enum cdp_txrx_ast_entry_type type, 2314 uint32_t flags) 2315 { 2316 return QDF_STATUS_E_FAILURE; 2317 } 2318 2319 void dp_peer_del_ast(struct dp_soc *soc, struct dp_ast_entry *ast_entry) 2320 { 2321 } 2322 2323 int dp_peer_update_ast(struct dp_soc *soc, struct dp_peer *peer, 2324 struct dp_ast_entry *ast_entry, uint32_t flags) 2325 { 2326 return 1; 2327 } 2328 2329 struct dp_ast_entry *dp_peer_ast_hash_find_soc(struct dp_soc *soc, 2330 uint8_t *ast_mac_addr) 2331 { 2332 return NULL; 2333 } 2334 2335 static inline 2336 QDF_STATUS dp_peer_host_add_map_ast(struct dp_soc *soc, uint16_t peer_id, 2337 uint8_t *mac_addr, uint16_t hw_peer_id, 2338 uint8_t vdev_id, uint16_t ast_hash, 2339 uint8_t is_wds) 2340 { 2341 return QDF_STATUS_SUCCESS; 2342 } 2343 2344 struct dp_ast_entry *dp_peer_ast_hash_find_by_pdevid(struct dp_soc *soc, 2345 uint8_t *ast_mac_addr, 2346 uint8_t pdev_id) 2347 { 2348 return NULL; 2349 } 2350 2351 QDF_STATUS dp_peer_ast_hash_attach(struct dp_soc *soc) 2352 { 2353 return QDF_STATUS_SUCCESS; 2354 } 2355 2356 static inline QDF_STATUS dp_peer_map_ast(struct dp_soc *soc, 2357 struct dp_peer *peer, 2358 uint8_t *mac_addr, 2359 uint16_t hw_peer_id, 2360 uint8_t vdev_id, 2361 uint16_t ast_hash, 2362 uint8_t is_wds) 2363 { 2364 return QDF_STATUS_SUCCESS; 2365 } 2366 2367 void dp_peer_ast_hash_detach(struct dp_soc *soc) 2368 { 2369 } 2370 2371 void dp_peer_ast_set_type(struct dp_soc *soc, 2372 struct dp_ast_entry *ast_entry, 2373 enum cdp_txrx_ast_entry_type type) 2374 { 2375 } 2376 2377 uint8_t dp_peer_ast_get_pdev_id(struct dp_soc *soc, 2378 struct dp_ast_entry *ast_entry) 2379 { 2380 return 0xff; 2381 } 2382 2383 uint8_t dp_peer_ast_get_next_hop(struct dp_soc *soc, 2384 struct dp_ast_entry *ast_entry) 2385 { 2386 return 0xff; 2387 } 2388 2389 void dp_peer_ast_send_wds_del(struct dp_soc *soc, 2390 struct dp_ast_entry *ast_entry, 2391 struct dp_peer *peer) 2392 { 2393 } 2394 #endif 2395 2396 #ifdef WLAN_FEATURE_MULTI_AST_DEL 2397 void dp_peer_ast_send_multi_wds_del( 2398 struct dp_soc *soc, uint8_t vdev_id, 2399 struct peer_del_multi_wds_entries *wds_list) 2400 { 2401 struct cdp_soc_t *cdp_soc = &soc->cdp_soc; 2402 2403 if (cdp_soc && cdp_soc->ol_ops && 2404 cdp_soc->ol_ops->peer_del_multi_wds_entry) 2405 cdp_soc->ol_ops->peer_del_multi_wds_entry(soc->ctrl_psoc, 2406 vdev_id, wds_list); 2407 } 2408 #endif 2409 2410 #ifdef FEATURE_WDS 2411 /** 2412 * dp_peer_ast_free_wds_entries() - Free wds ast entries associated with peer 2413 * @soc: soc handle 2414 * @peer: peer handle 2415 * 2416 * Free all the wds ast entries associated with peer 2417 * 2418 * Return: Number of wds ast entries freed 2419 */ 2420 static uint32_t dp_peer_ast_free_wds_entries(struct dp_soc *soc, 2421 struct dp_peer *peer) 2422 { 2423 TAILQ_HEAD(, dp_ast_entry) ast_local_list = {0}; 2424 struct dp_ast_entry *ast_entry, *temp_ast_entry; 2425 uint32_t num_ast = 0; 2426 2427 TAILQ_INIT(&ast_local_list); 2428 qdf_spin_lock_bh(&soc->ast_lock); 2429 2430 DP_PEER_ITERATE_ASE_LIST(peer, ast_entry, temp_ast_entry) { 2431 if (ast_entry->next_hop) 2432 num_ast++; 2433 2434 if (ast_entry->is_mapped) 2435 soc->ast_table[ast_entry->ast_idx] = NULL; 2436 2437 dp_peer_unlink_ast_entry(soc, ast_entry, peer); 2438 DP_STATS_INC(soc, ast.deleted, 1); 2439 dp_peer_ast_hash_remove(soc, ast_entry); 2440 TAILQ_INSERT_TAIL(&ast_local_list, ast_entry, 2441 ase_list_elem); 2442 soc->num_ast_entries--; 2443 } 2444 2445 qdf_spin_unlock_bh(&soc->ast_lock); 2446 2447 TAILQ_FOREACH_SAFE(ast_entry, &ast_local_list, ase_list_elem, 2448 temp_ast_entry) { 2449 if (ast_entry->callback) 2450 ast_entry->callback(soc->ctrl_psoc, 2451 dp_soc_to_cdp_soc(soc), 2452 ast_entry->cookie, 2453 CDP_TXRX_AST_DELETED); 2454 2455 qdf_mem_free(ast_entry); 2456 } 2457 2458 return num_ast; 2459 } 2460 /** 2461 * dp_peer_clean_wds_entries() - Clean wds ast entries and compare 2462 * @soc: soc handle 2463 * @peer: peer handle 2464 * @free_wds_count - number of wds entries freed by FW with peer delete 2465 * 2466 * Free all the wds ast entries associated with peer and compare with 2467 * the value received from firmware 2468 * 2469 * Return: Number of wds ast entries freed 2470 */ 2471 static void 2472 dp_peer_clean_wds_entries(struct dp_soc *soc, struct dp_peer *peer, 2473 uint32_t free_wds_count) 2474 { 2475 uint32_t wds_deleted = 0; 2476 2477 if (soc->ast_offload_support && !soc->host_ast_db_enable) 2478 return; 2479 2480 wds_deleted = dp_peer_ast_free_wds_entries(soc, peer); 2481 if ((DP_PEER_WDS_COUNT_INVALID != free_wds_count) && 2482 (free_wds_count != wds_deleted)) { 2483 DP_STATS_INC(soc, ast.ast_mismatch, 1); 2484 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", 2485 peer, peer->mac_addr.raw, free_wds_count, 2486 wds_deleted); 2487 } 2488 } 2489 2490 #else 2491 static void 2492 dp_peer_clean_wds_entries(struct dp_soc *soc, struct dp_peer *peer, 2493 uint32_t free_wds_count) 2494 { 2495 struct dp_ast_entry *ast_entry, *temp_ast_entry; 2496 2497 qdf_spin_lock_bh(&soc->ast_lock); 2498 2499 DP_PEER_ITERATE_ASE_LIST(peer, ast_entry, temp_ast_entry) { 2500 dp_peer_unlink_ast_entry(soc, ast_entry, peer); 2501 2502 if (ast_entry->is_mapped) 2503 soc->ast_table[ast_entry->ast_idx] = NULL; 2504 2505 dp_peer_free_ast_entry(soc, ast_entry); 2506 } 2507 2508 peer->self_ast_entry = NULL; 2509 qdf_spin_unlock_bh(&soc->ast_lock); 2510 } 2511 #endif 2512 2513 /** 2514 * dp_peer_ast_free_entry_by_mac() - find ast entry by MAC address and delete 2515 * @soc: soc handle 2516 * @peer: peer handle 2517 * @vdev_id: vdev_id 2518 * @mac_addr: mac address of the AST entry to searc and delete 2519 * 2520 * find the ast entry from the peer list using the mac address and free 2521 * the entry. 2522 * 2523 * Return: SUCCESS or NOENT 2524 */ 2525 static int dp_peer_ast_free_entry_by_mac(struct dp_soc *soc, 2526 struct dp_peer *peer, 2527 uint8_t vdev_id, 2528 uint8_t *mac_addr) 2529 { 2530 struct dp_ast_entry *ast_entry; 2531 void *cookie = NULL; 2532 txrx_ast_free_cb cb = NULL; 2533 2534 /* 2535 * release the reference only if it is mapped 2536 * to ast_table 2537 */ 2538 2539 qdf_spin_lock_bh(&soc->ast_lock); 2540 2541 ast_entry = dp_peer_ast_hash_find_by_vdevid(soc, mac_addr, vdev_id); 2542 if (!ast_entry) { 2543 qdf_spin_unlock_bh(&soc->ast_lock); 2544 return QDF_STATUS_E_NOENT; 2545 } else if (ast_entry->is_mapped) { 2546 soc->ast_table[ast_entry->ast_idx] = NULL; 2547 } 2548 2549 cb = ast_entry->callback; 2550 cookie = ast_entry->cookie; 2551 2552 2553 dp_peer_unlink_ast_entry(soc, ast_entry, peer); 2554 2555 dp_peer_free_ast_entry(soc, ast_entry); 2556 2557 qdf_spin_unlock_bh(&soc->ast_lock); 2558 2559 if (cb) { 2560 cb(soc->ctrl_psoc, 2561 dp_soc_to_cdp_soc(soc), 2562 cookie, 2563 CDP_TXRX_AST_DELETED); 2564 } 2565 2566 return QDF_STATUS_SUCCESS; 2567 } 2568 2569 void dp_peer_find_hash_erase(struct dp_soc *soc) 2570 { 2571 int i; 2572 2573 /* 2574 * Not really necessary to take peer_ref_mutex lock - by this point, 2575 * it's known that the soc is no longer in use. 2576 */ 2577 for (i = 0; i <= soc->peer_hash.mask; i++) { 2578 if (!TAILQ_EMPTY(&soc->peer_hash.bins[i])) { 2579 struct dp_peer *peer, *peer_next; 2580 2581 /* 2582 * TAILQ_FOREACH_SAFE must be used here to avoid any 2583 * memory access violation after peer is freed 2584 */ 2585 TAILQ_FOREACH_SAFE(peer, &soc->peer_hash.bins[i], 2586 hash_list_elem, peer_next) { 2587 /* 2588 * Don't remove the peer from the hash table - 2589 * that would modify the list we are currently 2590 * traversing, and it's not necessary anyway. 2591 */ 2592 /* 2593 * Artificially adjust the peer's ref count to 2594 * 1, so it will get deleted by 2595 * dp_peer_unref_delete. 2596 */ 2597 /* set to zero */ 2598 qdf_atomic_init(&peer->ref_cnt); 2599 for (i = 0; i < DP_MOD_ID_MAX; i++) 2600 qdf_atomic_init(&peer->mod_refs[i]); 2601 /* incr to one */ 2602 qdf_atomic_inc(&peer->ref_cnt); 2603 qdf_atomic_inc(&peer->mod_refs 2604 [DP_MOD_ID_CONFIG]); 2605 dp_peer_unref_delete(peer, 2606 DP_MOD_ID_CONFIG); 2607 } 2608 } 2609 } 2610 } 2611 2612 void dp_peer_ast_table_detach(struct dp_soc *soc) 2613 { 2614 if (soc->ast_table) { 2615 qdf_mem_free(soc->ast_table); 2616 soc->ast_table = NULL; 2617 } 2618 } 2619 2620 /* 2621 * dp_peer_find_map_detach() - cleanup memory for peer_id_to_obj_map 2622 * @soc: soc handle 2623 * 2624 * return: none 2625 */ 2626 void dp_peer_find_map_detach(struct dp_soc *soc) 2627 { 2628 if (soc->peer_id_to_obj_map) { 2629 qdf_mem_free(soc->peer_id_to_obj_map); 2630 soc->peer_id_to_obj_map = NULL; 2631 qdf_spinlock_destroy(&soc->peer_map_lock); 2632 } 2633 } 2634 2635 #ifndef AST_OFFLOAD_ENABLE 2636 QDF_STATUS dp_peer_find_attach(struct dp_soc *soc) 2637 { 2638 QDF_STATUS status; 2639 2640 status = dp_peer_find_map_attach(soc); 2641 if (!QDF_IS_STATUS_SUCCESS(status)) 2642 return status; 2643 2644 status = dp_peer_find_hash_attach(soc); 2645 if (!QDF_IS_STATUS_SUCCESS(status)) 2646 goto map_detach; 2647 2648 status = dp_peer_ast_table_attach(soc); 2649 if (!QDF_IS_STATUS_SUCCESS(status)) 2650 goto hash_detach; 2651 2652 status = dp_peer_ast_hash_attach(soc); 2653 if (!QDF_IS_STATUS_SUCCESS(status)) 2654 goto ast_table_detach; 2655 2656 status = dp_peer_mec_hash_attach(soc); 2657 if (QDF_IS_STATUS_SUCCESS(status)) { 2658 dp_soc_wds_attach(soc); 2659 return status; 2660 } 2661 2662 dp_peer_ast_hash_detach(soc); 2663 ast_table_detach: 2664 dp_peer_ast_table_detach(soc); 2665 hash_detach: 2666 dp_peer_find_hash_detach(soc); 2667 map_detach: 2668 dp_peer_find_map_detach(soc); 2669 2670 return status; 2671 } 2672 #else 2673 QDF_STATUS dp_peer_find_attach(struct dp_soc *soc) 2674 { 2675 QDF_STATUS status; 2676 2677 status = dp_peer_find_map_attach(soc); 2678 if (!QDF_IS_STATUS_SUCCESS(status)) 2679 return status; 2680 2681 status = dp_peer_find_hash_attach(soc); 2682 if (!QDF_IS_STATUS_SUCCESS(status)) 2683 goto map_detach; 2684 2685 return status; 2686 map_detach: 2687 dp_peer_find_map_detach(soc); 2688 2689 return status; 2690 } 2691 #endif 2692 2693 #ifdef IPA_OFFLOAD 2694 /* 2695 * dp_peer_update_tid_stats_from_reo() - update rx pkt and byte count from reo 2696 * @soc - soc handle 2697 * @cb_ctxt - combination of peer_id and tid 2698 * @reo_status - reo status 2699 * 2700 * return: void 2701 */ 2702 void dp_peer_update_tid_stats_from_reo(struct dp_soc *soc, void *cb_ctxt, 2703 union hal_reo_status *reo_status) 2704 { 2705 struct dp_peer *peer = NULL; 2706 struct dp_rx_tid *rx_tid = NULL; 2707 unsigned long comb_peer_id_tid; 2708 struct hal_reo_queue_status *queue_status = &reo_status->queue_status; 2709 uint16_t tid; 2710 uint16_t peer_id; 2711 2712 if (queue_status->header.status != HAL_REO_CMD_SUCCESS) { 2713 dp_err("REO stats failure %d\n", 2714 queue_status->header.status); 2715 return; 2716 } 2717 comb_peer_id_tid = (unsigned long)cb_ctxt; 2718 tid = DP_PEER_GET_REO_STATS_TID(comb_peer_id_tid); 2719 peer_id = DP_PEER_GET_REO_STATS_PEER_ID(comb_peer_id_tid); 2720 peer = dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_GENERIC_STATS); 2721 if (!peer) 2722 return; 2723 rx_tid = &peer->rx_tid[tid]; 2724 2725 if (!rx_tid) { 2726 dp_peer_unref_delete(peer, DP_MOD_ID_GENERIC_STATS); 2727 return; 2728 } 2729 2730 rx_tid->rx_msdu_cnt.bytes += queue_status->total_cnt; 2731 rx_tid->rx_msdu_cnt.num += queue_status->msdu_frms_cnt; 2732 dp_peer_unref_delete(peer, DP_MOD_ID_GENERIC_STATS); 2733 } 2734 2735 qdf_export_symbol(dp_peer_update_tid_stats_from_reo); 2736 #endif 2737 2738 void dp_rx_tid_stats_cb(struct dp_soc *soc, void *cb_ctxt, 2739 union hal_reo_status *reo_status) 2740 { 2741 struct dp_rx_tid *rx_tid = (struct dp_rx_tid *)cb_ctxt; 2742 struct hal_reo_queue_status *queue_status = &(reo_status->queue_status); 2743 2744 if (queue_status->header.status == HAL_REO_CMD_DRAIN) 2745 return; 2746 2747 if (queue_status->header.status != HAL_REO_CMD_SUCCESS) { 2748 DP_PRINT_STATS("REO stats failure %d for TID %d\n", 2749 queue_status->header.status, rx_tid->tid); 2750 return; 2751 } 2752 2753 DP_PRINT_STATS("REO queue stats (TID: %d):\n" 2754 "ssn: %d\n" 2755 "curr_idx : %d\n" 2756 "pn_31_0 : %08x\n" 2757 "pn_63_32 : %08x\n" 2758 "pn_95_64 : %08x\n" 2759 "pn_127_96 : %08x\n" 2760 "last_rx_enq_tstamp : %08x\n" 2761 "last_rx_deq_tstamp : %08x\n" 2762 "rx_bitmap_31_0 : %08x\n" 2763 "rx_bitmap_63_32 : %08x\n" 2764 "rx_bitmap_95_64 : %08x\n" 2765 "rx_bitmap_127_96 : %08x\n" 2766 "rx_bitmap_159_128 : %08x\n" 2767 "rx_bitmap_191_160 : %08x\n" 2768 "rx_bitmap_223_192 : %08x\n" 2769 "rx_bitmap_255_224 : %08x\n", 2770 rx_tid->tid, 2771 queue_status->ssn, queue_status->curr_idx, 2772 queue_status->pn_31_0, queue_status->pn_63_32, 2773 queue_status->pn_95_64, queue_status->pn_127_96, 2774 queue_status->last_rx_enq_tstamp, 2775 queue_status->last_rx_deq_tstamp, 2776 queue_status->rx_bitmap_31_0, 2777 queue_status->rx_bitmap_63_32, 2778 queue_status->rx_bitmap_95_64, 2779 queue_status->rx_bitmap_127_96, 2780 queue_status->rx_bitmap_159_128, 2781 queue_status->rx_bitmap_191_160, 2782 queue_status->rx_bitmap_223_192, 2783 queue_status->rx_bitmap_255_224); 2784 2785 DP_PRINT_STATS( 2786 "curr_mpdu_cnt : %d\n" 2787 "curr_msdu_cnt : %d\n" 2788 "fwd_timeout_cnt : %d\n" 2789 "fwd_bar_cnt : %d\n" 2790 "dup_cnt : %d\n" 2791 "frms_in_order_cnt : %d\n" 2792 "bar_rcvd_cnt : %d\n" 2793 "mpdu_frms_cnt : %d\n" 2794 "msdu_frms_cnt : %d\n" 2795 "total_byte_cnt : %d\n" 2796 "late_recv_mpdu_cnt : %d\n" 2797 "win_jump_2k : %d\n" 2798 "hole_cnt : %d\n", 2799 queue_status->curr_mpdu_cnt, 2800 queue_status->curr_msdu_cnt, 2801 queue_status->fwd_timeout_cnt, 2802 queue_status->fwd_bar_cnt, 2803 queue_status->dup_cnt, 2804 queue_status->frms_in_order_cnt, 2805 queue_status->bar_rcvd_cnt, 2806 queue_status->mpdu_frms_cnt, 2807 queue_status->msdu_frms_cnt, 2808 queue_status->total_cnt, 2809 queue_status->late_recv_mpdu_cnt, 2810 queue_status->win_jump_2k, 2811 queue_status->hole_cnt); 2812 2813 DP_PRINT_STATS("Addba Req : %d\n" 2814 "Addba Resp : %d\n" 2815 "Addba Resp success : %d\n" 2816 "Addba Resp failed : %d\n" 2817 "Delba Req received : %d\n" 2818 "Delba Tx success : %d\n" 2819 "Delba Tx Fail : %d\n" 2820 "BA window size : %d\n" 2821 "Pn size : %d\n", 2822 rx_tid->num_of_addba_req, 2823 rx_tid->num_of_addba_resp, 2824 rx_tid->num_addba_rsp_success, 2825 rx_tid->num_addba_rsp_failed, 2826 rx_tid->num_of_delba_req, 2827 rx_tid->delba_tx_success_cnt, 2828 rx_tid->delba_tx_fail_cnt, 2829 rx_tid->ba_win_size, 2830 rx_tid->pn_size); 2831 } 2832 2833 #ifdef REO_SHARED_QREF_TABLE_EN 2834 void dp_peer_rx_reo_shared_qaddr_delete(struct dp_soc *soc, 2835 struct dp_peer *peer) 2836 { 2837 uint8_t tid; 2838 2839 if (peer->peer_id > soc->max_peer_id) 2840 return; 2841 if (IS_MLO_DP_LINK_PEER(peer)) 2842 return; 2843 if (hal_reo_shared_qaddr_is_enable(soc->hal_soc)) { 2844 for (tid = 0; tid < DP_MAX_TIDS; tid++) 2845 hal_reo_shared_qaddr_write(soc->hal_soc, 2846 peer->peer_id, tid, 0); 2847 } 2848 } 2849 #endif 2850 2851 /* 2852 * dp_peer_find_add_id() - map peer_id with peer 2853 * @soc: soc handle 2854 * @peer_mac_addr: peer mac address 2855 * @peer_id: peer id to be mapped 2856 * @hw_peer_id: HW ast index 2857 * @vdev_id: vdev_id 2858 * @peer_type: peer type (link or MLD) 2859 * 2860 * return: peer in success 2861 * NULL in failure 2862 */ 2863 static inline struct dp_peer *dp_peer_find_add_id(struct dp_soc *soc, 2864 uint8_t *peer_mac_addr, uint16_t peer_id, uint16_t hw_peer_id, 2865 uint8_t vdev_id, enum cdp_peer_type peer_type) 2866 { 2867 struct dp_peer *peer; 2868 struct cdp_peer_info peer_info = { 0 }; 2869 2870 QDF_ASSERT(peer_id <= soc->max_peer_id); 2871 /* check if there's already a peer object with this MAC address */ 2872 DP_PEER_INFO_PARAMS_INIT(&peer_info, vdev_id, peer_mac_addr, 2873 false, peer_type); 2874 peer = dp_peer_hash_find_wrapper(soc, &peer_info, DP_MOD_ID_CONFIG); 2875 dp_peer_err("%pK: peer %pK ID %d vid %d mac " QDF_MAC_ADDR_FMT, 2876 soc, peer, peer_id, vdev_id, 2877 QDF_MAC_ADDR_REF(peer_mac_addr)); 2878 2879 if (peer) { 2880 /* peer's ref count was already incremented by 2881 * peer_find_hash_find 2882 */ 2883 dp_peer_info("%pK: ref_cnt: %d", soc, 2884 qdf_atomic_read(&peer->ref_cnt)); 2885 2886 /* 2887 * if peer is in logical delete CP triggered delete before map 2888 * is received ignore this event 2889 */ 2890 if (dp_peer_state_cmp(peer, DP_PEER_STATE_LOGICAL_DELETE)) { 2891 dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); 2892 dp_alert("Peer %pK["QDF_MAC_ADDR_FMT"] logical delete state vid %d", 2893 peer, QDF_MAC_ADDR_REF(peer_mac_addr), 2894 vdev_id); 2895 return NULL; 2896 } 2897 2898 if (peer->peer_id == HTT_INVALID_PEER) { 2899 if (!IS_MLO_DP_MLD_PEER(peer)) 2900 dp_monitor_peer_tid_peer_id_update(soc, peer, 2901 peer_id); 2902 } else { 2903 dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); 2904 QDF_ASSERT(0); 2905 return NULL; 2906 } 2907 dp_peer_find_id_to_obj_add(soc, peer, peer_id); 2908 if (soc->arch_ops.dp_partner_chips_map) 2909 soc->arch_ops.dp_partner_chips_map(soc, peer, peer_id); 2910 2911 dp_peer_update_state(soc, peer, DP_PEER_STATE_ACTIVE); 2912 return peer; 2913 } 2914 2915 return NULL; 2916 } 2917 2918 #ifdef WLAN_FEATURE_11BE_MLO 2919 #ifdef DP_USE_REDUCED_PEER_ID_FIELD_WIDTH 2920 static inline uint16_t dp_gen_ml_peer_id(struct dp_soc *soc, 2921 uint16_t peer_id) 2922 { 2923 return ((peer_id & soc->peer_id_mask) | (1 << soc->peer_id_shift)); 2924 } 2925 #else 2926 static inline uint16_t dp_gen_ml_peer_id(struct dp_soc *soc, 2927 uint16_t peer_id) 2928 { 2929 return (peer_id | (1 << HTT_RX_PEER_META_DATA_V1_ML_PEER_VALID_S)); 2930 } 2931 #endif 2932 2933 QDF_STATUS 2934 dp_rx_mlo_peer_map_handler(struct dp_soc *soc, uint16_t peer_id, 2935 uint8_t *peer_mac_addr, 2936 struct dp_mlo_flow_override_info *mlo_flow_info, 2937 struct dp_mlo_link_info *mlo_link_info) 2938 { 2939 struct dp_peer *peer = NULL; 2940 uint16_t hw_peer_id = mlo_flow_info[0].ast_idx; 2941 uint16_t ast_hash = mlo_flow_info[0].cache_set_num; 2942 uint8_t vdev_id = 0; 2943 uint8_t is_wds = 0; 2944 int i; 2945 uint16_t ml_peer_id = dp_gen_ml_peer_id(soc, peer_id); 2946 enum cdp_txrx_ast_entry_type type = CDP_TXRX_AST_TYPE_STATIC; 2947 QDF_STATUS err = QDF_STATUS_SUCCESS; 2948 struct dp_soc *primary_soc; 2949 2950 dp_cfg_event_record_peer_map_unmap_evt(soc, DP_CFG_EVENT_MLO_PEER_MAP, 2951 NULL, peer_mac_addr, 2952 1, peer_id, ml_peer_id, 0, 2953 vdev_id); 2954 2955 dp_info("mlo_peer_map_event (soc:%pK): peer_id %d ml_peer_id %d, peer_mac "QDF_MAC_ADDR_FMT, 2956 soc, peer_id, ml_peer_id, 2957 QDF_MAC_ADDR_REF(peer_mac_addr)); 2958 2959 /* Get corresponding vdev ID for the peer based 2960 * on chip ID obtained from mlo peer_map event 2961 */ 2962 for (i = 0; i < DP_MAX_MLO_LINKS; i++) { 2963 if (mlo_link_info[i].peer_chip_id == dp_mlo_get_chip_id(soc)) { 2964 vdev_id = mlo_link_info[i].vdev_id; 2965 break; 2966 } 2967 } 2968 2969 peer = dp_peer_find_add_id(soc, peer_mac_addr, ml_peer_id, 2970 hw_peer_id, vdev_id, CDP_MLD_PEER_TYPE); 2971 if (peer) { 2972 if (wlan_op_mode_sta == peer->vdev->opmode && 2973 qdf_mem_cmp(peer->mac_addr.raw, 2974 peer->vdev->mld_mac_addr.raw, 2975 QDF_MAC_ADDR_SIZE) != 0) { 2976 dp_peer_info("%pK: STA vdev bss_peer!!!!", soc); 2977 peer->bss_peer = 1; 2978 if (peer->txrx_peer) 2979 peer->txrx_peer->bss_peer = 1; 2980 } 2981 2982 if (peer->vdev->opmode == wlan_op_mode_sta) { 2983 peer->vdev->bss_ast_hash = ast_hash; 2984 peer->vdev->bss_ast_idx = hw_peer_id; 2985 } 2986 2987 /* Add ast entry incase self ast entry is 2988 * deleted due to DP CP sync issue 2989 * 2990 * self_ast_entry is modified in peer create 2991 * and peer unmap path which cannot run in 2992 * parllel with peer map, no lock need before 2993 * referring it 2994 */ 2995 if (!peer->self_ast_entry) { 2996 dp_info("Add self ast from map "QDF_MAC_ADDR_FMT, 2997 QDF_MAC_ADDR_REF(peer_mac_addr)); 2998 dp_peer_add_ast(soc, peer, 2999 peer_mac_addr, 3000 type, 0); 3001 } 3002 /* If peer setup and hence rx_tid setup got called 3003 * before htt peer map then Qref write to LUT did not 3004 * happen in rx_tid setup as peer_id was invalid. 3005 * So defer Qref write to peer map handler. Check if 3006 * rx_tid qdesc for tid 0 is already setup and perform 3007 * qref write to LUT for Tid 0 and 16. 3008 * 3009 * Peer map could be obtained on assoc link, hence 3010 * change to primary link's soc. 3011 */ 3012 primary_soc = peer->vdev->pdev->soc; 3013 if (hal_reo_shared_qaddr_is_enable(primary_soc->hal_soc) && 3014 peer->rx_tid[0].hw_qdesc_vaddr_unaligned) { 3015 hal_reo_shared_qaddr_write(primary_soc->hal_soc, 3016 ml_peer_id, 3017 0, 3018 peer->rx_tid[0].hw_qdesc_paddr); 3019 hal_reo_shared_qaddr_write(primary_soc->hal_soc, 3020 ml_peer_id, 3021 DP_NON_QOS_TID, 3022 peer->rx_tid[DP_NON_QOS_TID].hw_qdesc_paddr); 3023 } 3024 } 3025 3026 err = dp_peer_map_ast(soc, peer, peer_mac_addr, hw_peer_id, 3027 vdev_id, ast_hash, is_wds); 3028 3029 /* 3030 * If AST offload and host AST DB is enabled, populate AST entries on 3031 * host based on mlo peer map event from FW 3032 */ 3033 if (soc->ast_offload_support && soc->host_ast_db_enable) { 3034 dp_peer_host_add_map_ast(soc, ml_peer_id, peer_mac_addr, 3035 hw_peer_id, vdev_id, 3036 ast_hash, is_wds); 3037 } 3038 3039 return err; 3040 } 3041 #endif 3042 3043 #ifdef DP_RX_UDP_OVER_PEER_ROAM 3044 void dp_rx_reset_roaming_peer(struct dp_soc *soc, uint8_t vdev_id, 3045 uint8_t *peer_mac_addr) 3046 { 3047 struct dp_vdev *vdev = NULL; 3048 3049 vdev = dp_vdev_get_ref_by_id(soc, vdev_id, DP_MOD_ID_HTT); 3050 if (vdev) { 3051 if (qdf_mem_cmp(vdev->roaming_peer_mac.raw, peer_mac_addr, 3052 QDF_MAC_ADDR_SIZE) == 0) { 3053 vdev->roaming_peer_status = 3054 WLAN_ROAM_PEER_AUTH_STATUS_NONE; 3055 qdf_mem_zero(vdev->roaming_peer_mac.raw, 3056 QDF_MAC_ADDR_SIZE); 3057 } 3058 dp_vdev_unref_delete(soc, vdev, DP_MOD_ID_HTT); 3059 } 3060 } 3061 #endif 3062 3063 #ifdef WLAN_SUPPORT_PPEDS 3064 static void 3065 dp_tx_ppeds_cfg_astidx_cache_mapping(struct dp_soc *soc, struct dp_vdev *vdev, 3066 bool peer_map) 3067 { 3068 if (soc->arch_ops.dp_tx_ppeds_cfg_astidx_cache_mapping) 3069 soc->arch_ops.dp_tx_ppeds_cfg_astidx_cache_mapping(soc, vdev, 3070 peer_map); 3071 } 3072 #else 3073 static void 3074 dp_tx_ppeds_cfg_astidx_cache_mapping(struct dp_soc *soc, struct dp_vdev *vdev, 3075 bool peer_map) 3076 { 3077 } 3078 #endif 3079 3080 /** 3081 * dp_rx_peer_map_handler() - handle peer map event from firmware 3082 * @soc_handle - generic soc handle 3083 * @peeri_id - peer_id from firmware 3084 * @hw_peer_id - ast index for this peer 3085 * @vdev_id - vdev ID 3086 * @peer_mac_addr - mac address of the peer 3087 * @ast_hash - ast hash value 3088 * @is_wds - flag to indicate peer map event for WDS ast entry 3089 * 3090 * associate the peer_id that firmware provided with peer entry 3091 * and update the ast table in the host with the hw_peer_id. 3092 * 3093 * Return: QDF_STATUS code 3094 */ 3095 3096 QDF_STATUS 3097 dp_rx_peer_map_handler(struct dp_soc *soc, uint16_t peer_id, 3098 uint16_t hw_peer_id, uint8_t vdev_id, 3099 uint8_t *peer_mac_addr, uint16_t ast_hash, 3100 uint8_t is_wds) 3101 { 3102 struct dp_peer *peer = NULL; 3103 struct dp_vdev *vdev = NULL; 3104 enum cdp_txrx_ast_entry_type type = CDP_TXRX_AST_TYPE_STATIC; 3105 QDF_STATUS err = QDF_STATUS_SUCCESS; 3106 3107 dp_cfg_event_record_peer_map_unmap_evt(soc, DP_CFG_EVENT_PEER_MAP, 3108 NULL, peer_mac_addr, 1, peer_id, 3109 0, 0, vdev_id); 3110 dp_info("peer_map_event (soc:%pK): peer_id %d, hw_peer_id %d, peer_mac "QDF_MAC_ADDR_FMT", vdev_id %d", 3111 soc, peer_id, hw_peer_id, 3112 QDF_MAC_ADDR_REF(peer_mac_addr), vdev_id); 3113 3114 /* Peer map event for WDS ast entry get the peer from 3115 * obj map 3116 */ 3117 if (is_wds) { 3118 if (!soc->ast_offload_support) { 3119 peer = dp_peer_get_ref_by_id(soc, peer_id, 3120 DP_MOD_ID_HTT); 3121 3122 err = dp_peer_map_ast(soc, peer, peer_mac_addr, 3123 hw_peer_id, 3124 vdev_id, ast_hash, is_wds); 3125 if (peer) 3126 dp_peer_unref_delete(peer, DP_MOD_ID_HTT); 3127 } 3128 } else { 3129 /* 3130 * It's the responsibility of the CP and FW to ensure 3131 * that peer is created successfully. Ideally DP should 3132 * not hit the below condition for directly associated 3133 * peers. 3134 */ 3135 if ((!soc->ast_offload_support) && ((hw_peer_id < 0) || 3136 (hw_peer_id >= 3137 wlan_cfg_get_max_ast_idx(soc->wlan_cfg_ctx)))) { 3138 dp_peer_err("%pK: invalid hw_peer_id: %d", soc, hw_peer_id); 3139 qdf_assert_always(0); 3140 } 3141 3142 peer = dp_peer_find_add_id(soc, peer_mac_addr, peer_id, 3143 hw_peer_id, vdev_id, 3144 CDP_LINK_PEER_TYPE); 3145 3146 if (peer) { 3147 bool peer_map = true; 3148 3149 /* Updating ast_hash and ast_idx in peer level */ 3150 peer->ast_hash = ast_hash; 3151 peer->ast_idx = hw_peer_id; 3152 vdev = peer->vdev; 3153 /* Only check for STA Vdev and peer is not for TDLS */ 3154 if (wlan_op_mode_sta == vdev->opmode && 3155 !peer->is_tdls_peer) { 3156 if (qdf_mem_cmp(peer->mac_addr.raw, 3157 vdev->mac_addr.raw, 3158 QDF_MAC_ADDR_SIZE) != 0) { 3159 dp_info("%pK: STA vdev bss_peer", soc); 3160 peer->bss_peer = 1; 3161 if (peer->txrx_peer) 3162 peer->txrx_peer->bss_peer = 1; 3163 } 3164 3165 dp_info("bss ast_hash 0x%x, ast_index 0x%x", 3166 ast_hash, hw_peer_id); 3167 vdev->bss_ast_hash = ast_hash; 3168 vdev->bss_ast_idx = hw_peer_id; 3169 3170 dp_tx_ppeds_cfg_astidx_cache_mapping(soc, vdev, 3171 peer_map); 3172 } 3173 3174 /* Add ast entry incase self ast entry is 3175 * deleted due to DP CP sync issue 3176 * 3177 * self_ast_entry is modified in peer create 3178 * and peer unmap path which cannot run in 3179 * parllel with peer map, no lock need before 3180 * referring it 3181 */ 3182 if (!soc->ast_offload_support && 3183 !peer->self_ast_entry) { 3184 dp_info("Add self ast from map "QDF_MAC_ADDR_FMT, 3185 QDF_MAC_ADDR_REF(peer_mac_addr)); 3186 dp_peer_add_ast(soc, peer, 3187 peer_mac_addr, 3188 type, 0); 3189 } 3190 3191 /* If peer setup and hence rx_tid setup got called 3192 * before htt peer map then Qref write to LUT did 3193 * not happen in rx_tid setup as peer_id was invalid. 3194 * So defer Qref write to peer map handler. Check if 3195 * rx_tid qdesc for tid 0 is already setup perform qref 3196 * write to LUT for Tid 0 and 16. 3197 */ 3198 if (hal_reo_shared_qaddr_is_enable(soc->hal_soc) && 3199 peer->rx_tid[0].hw_qdesc_vaddr_unaligned && 3200 !IS_MLO_DP_LINK_PEER(peer)) { 3201 hal_reo_shared_qaddr_write(soc->hal_soc, 3202 peer_id, 3203 0, 3204 peer->rx_tid[0].hw_qdesc_paddr); 3205 hal_reo_shared_qaddr_write(soc->hal_soc, 3206 peer_id, 3207 DP_NON_QOS_TID, 3208 peer->rx_tid[DP_NON_QOS_TID].hw_qdesc_paddr); 3209 } 3210 } 3211 3212 err = dp_peer_map_ast(soc, peer, peer_mac_addr, hw_peer_id, 3213 vdev_id, ast_hash, is_wds); 3214 } 3215 3216 dp_rx_reset_roaming_peer(soc, vdev_id, peer_mac_addr); 3217 3218 /* 3219 * If AST offload and host AST DB is enabled, populate AST entries on 3220 * host based on peer map event from FW 3221 */ 3222 if (soc->ast_offload_support && soc->host_ast_db_enable) { 3223 dp_peer_host_add_map_ast(soc, peer_id, peer_mac_addr, 3224 hw_peer_id, vdev_id, 3225 ast_hash, is_wds); 3226 } 3227 3228 return err; 3229 } 3230 3231 /** 3232 * dp_rx_peer_unmap_handler() - handle peer unmap event from firmware 3233 * @soc_handle - generic soc handle 3234 * @peeri_id - peer_id from firmware 3235 * @vdev_id - vdev ID 3236 * @mac_addr - mac address of the peer or wds entry 3237 * @is_wds - flag to indicate peer map event for WDS ast entry 3238 * @free_wds_count - number of wds entries freed by FW with peer delete 3239 * 3240 * Return: none 3241 */ 3242 void 3243 dp_rx_peer_unmap_handler(struct dp_soc *soc, uint16_t peer_id, 3244 uint8_t vdev_id, uint8_t *mac_addr, 3245 uint8_t is_wds, uint32_t free_wds_count) 3246 { 3247 struct dp_peer *peer; 3248 struct dp_vdev *vdev = NULL; 3249 3250 /* 3251 * If FW AST offload is enabled and host AST DB is enabled, 3252 * the AST entries are created during peer map from FW. 3253 */ 3254 if (soc->ast_offload_support && is_wds) { 3255 if (!soc->host_ast_db_enable) 3256 return; 3257 } 3258 3259 peer = __dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_HTT); 3260 3261 /* 3262 * Currently peer IDs are assigned for vdevs as well as peers. 3263 * If the peer ID is for a vdev, then the peer pointer stored 3264 * in peer_id_to_obj_map will be NULL. 3265 */ 3266 if (!peer) { 3267 dp_err("Received unmap event for invalid peer_id %u", 3268 peer_id); 3269 return; 3270 } 3271 3272 /* If V2 Peer map messages are enabled AST entry has to be 3273 * freed here 3274 */ 3275 if (is_wds) { 3276 if (!dp_peer_ast_free_entry_by_mac(soc, peer, vdev_id, 3277 mac_addr)) { 3278 dp_peer_unref_delete(peer, DP_MOD_ID_HTT); 3279 return; 3280 } 3281 3282 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", 3283 peer, peer->peer_id, 3284 QDF_MAC_ADDR_REF(peer->mac_addr.raw), 3285 QDF_MAC_ADDR_REF(mac_addr), vdev_id, 3286 is_wds); 3287 3288 dp_peer_unref_delete(peer, DP_MOD_ID_HTT); 3289 return; 3290 } 3291 3292 dp_peer_clean_wds_entries(soc, peer, free_wds_count); 3293 3294 dp_cfg_event_record_peer_map_unmap_evt(soc, DP_CFG_EVENT_PEER_UNMAP, 3295 peer, mac_addr, 0, peer_id, 3296 0, 0, vdev_id); 3297 dp_info("peer_unmap_event (soc:%pK) peer_id %d peer %pK", 3298 soc, peer_id, peer); 3299 3300 /* Clear entries in Qref LUT */ 3301 /* TODO: Check if this is to be called from 3302 * dp_peer_delete for MLO case if there is race between 3303 * new peer id assignment and still not having received 3304 * peer unmap for MLD peer with same peer id. 3305 */ 3306 dp_peer_rx_reo_shared_qaddr_delete(soc, peer); 3307 3308 vdev = peer->vdev; 3309 3310 /* only if peer is in STA mode and not tdls peer */ 3311 if (wlan_op_mode_sta == vdev->opmode && !peer->is_tdls_peer) { 3312 bool peer_map = false; 3313 3314 dp_tx_ppeds_cfg_astidx_cache_mapping(soc, vdev, peer_map); 3315 } 3316 3317 dp_peer_find_id_to_obj_remove(soc, peer_id); 3318 3319 if (soc->arch_ops.dp_partner_chips_unmap) 3320 soc->arch_ops.dp_partner_chips_unmap(soc, peer_id); 3321 3322 peer->peer_id = HTT_INVALID_PEER; 3323 3324 /* 3325 * Reset ast flow mapping table 3326 */ 3327 if (!soc->ast_offload_support) 3328 dp_peer_reset_flowq_map(peer); 3329 3330 if (soc->cdp_soc.ol_ops->peer_unmap_event) { 3331 soc->cdp_soc.ol_ops->peer_unmap_event(soc->ctrl_psoc, 3332 peer_id, vdev_id, mac_addr); 3333 } 3334 3335 dp_update_vdev_stats_on_peer_unmap(vdev, peer); 3336 3337 dp_peer_update_state(soc, peer, DP_PEER_STATE_INACTIVE); 3338 dp_peer_unref_delete(peer, DP_MOD_ID_HTT); 3339 /* 3340 * Remove a reference to the peer. 3341 * If there are no more references, delete the peer object. 3342 */ 3343 dp_peer_unref_delete(peer, DP_MOD_ID_CONFIG); 3344 } 3345 3346 #ifdef WLAN_FEATURE_11BE_MLO 3347 void dp_rx_mlo_peer_unmap_handler(struct dp_soc *soc, uint16_t peer_id) 3348 { 3349 uint16_t ml_peer_id = dp_gen_ml_peer_id(soc, peer_id); 3350 uint8_t mac_addr[QDF_MAC_ADDR_SIZE] = {0}; 3351 uint8_t vdev_id = DP_VDEV_ALL; 3352 uint8_t is_wds = 0; 3353 3354 dp_cfg_event_record_peer_map_unmap_evt(soc, DP_CFG_EVENT_MLO_PEER_UNMAP, 3355 NULL, mac_addr, 0, peer_id, 3356 0, 0, vdev_id); 3357 dp_info("MLO peer_unmap_event (soc:%pK) peer_id %d", 3358 soc, peer_id); 3359 3360 dp_rx_peer_unmap_handler(soc, ml_peer_id, vdev_id, 3361 mac_addr, is_wds, 3362 DP_PEER_WDS_COUNT_INVALID); 3363 } 3364 #endif 3365 3366 #ifndef AST_OFFLOAD_ENABLE 3367 void 3368 dp_peer_find_detach(struct dp_soc *soc) 3369 { 3370 dp_soc_wds_detach(soc); 3371 dp_peer_find_map_detach(soc); 3372 dp_peer_find_hash_detach(soc); 3373 dp_peer_ast_hash_detach(soc); 3374 dp_peer_ast_table_detach(soc); 3375 dp_peer_mec_hash_detach(soc); 3376 } 3377 #else 3378 void 3379 dp_peer_find_detach(struct dp_soc *soc) 3380 { 3381 dp_peer_find_map_detach(soc); 3382 dp_peer_find_hash_detach(soc); 3383 } 3384 #endif 3385 3386 static void dp_rx_tid_update_cb(struct dp_soc *soc, void *cb_ctxt, 3387 union hal_reo_status *reo_status) 3388 { 3389 struct dp_rx_tid *rx_tid = (struct dp_rx_tid *)cb_ctxt; 3390 3391 if ((reo_status->rx_queue_status.header.status != 3392 HAL_REO_CMD_SUCCESS) && 3393 (reo_status->rx_queue_status.header.status != 3394 HAL_REO_CMD_DRAIN)) { 3395 /* Should not happen normally. Just print error for now */ 3396 dp_peer_err("%pK: Rx tid HW desc update failed(%d): tid %d", 3397 soc, reo_status->rx_queue_status.header.status, 3398 rx_tid->tid); 3399 } 3400 } 3401 3402 static bool dp_get_peer_vdev_roaming_in_progress(struct dp_peer *peer) 3403 { 3404 struct ol_if_ops *ol_ops = NULL; 3405 bool is_roaming = false; 3406 uint8_t vdev_id = -1; 3407 struct cdp_soc_t *soc; 3408 3409 if (!peer) { 3410 dp_peer_info("Peer is NULL. No roaming possible"); 3411 return false; 3412 } 3413 3414 soc = dp_soc_to_cdp_soc_t(peer->vdev->pdev->soc); 3415 ol_ops = peer->vdev->pdev->soc->cdp_soc.ol_ops; 3416 3417 if (ol_ops && ol_ops->is_roam_inprogress) { 3418 dp_get_vdevid(soc, peer->mac_addr.raw, &vdev_id); 3419 is_roaming = ol_ops->is_roam_inprogress(vdev_id); 3420 } 3421 3422 dp_peer_info("peer: " QDF_MAC_ADDR_FMT ", vdev_id: %d, is_roaming: %d", 3423 QDF_MAC_ADDR_REF(peer->mac_addr.raw), vdev_id, is_roaming); 3424 3425 return is_roaming; 3426 } 3427 3428 #ifdef WLAN_FEATURE_11BE_MLO 3429 /** 3430 * dp_rx_tid_setup_allow() - check if rx_tid and reo queue desc 3431 setup is necessary 3432 * @peer: DP peer handle 3433 * 3434 * Return: true - allow, false - disallow 3435 */ 3436 static inline 3437 bool dp_rx_tid_setup_allow(struct dp_peer *peer) 3438 { 3439 if (IS_MLO_DP_LINK_PEER(peer) && !peer->first_link) 3440 return false; 3441 3442 return true; 3443 } 3444 3445 /** 3446 * dp_rx_tid_update_allow() - check if rx_tid update needed 3447 * @peer: DP peer handle 3448 * 3449 * Return: true - allow, false - disallow 3450 */ 3451 static inline 3452 bool dp_rx_tid_update_allow(struct dp_peer *peer) 3453 { 3454 /* not as expected for MLO connection link peer */ 3455 if (IS_MLO_DP_LINK_PEER(peer)) { 3456 QDF_BUG(0); 3457 return false; 3458 } 3459 3460 return true; 3461 } 3462 #else 3463 static inline 3464 bool dp_rx_tid_setup_allow(struct dp_peer *peer) 3465 { 3466 return true; 3467 } 3468 3469 static inline 3470 bool dp_rx_tid_update_allow(struct dp_peer *peer) 3471 { 3472 return true; 3473 } 3474 #endif 3475 3476 QDF_STATUS dp_rx_tid_update_wifi3(struct dp_peer *peer, int tid, uint32_t 3477 ba_window_size, uint32_t start_seq, 3478 bool bar_update) 3479 { 3480 struct dp_rx_tid *rx_tid = &peer->rx_tid[tid]; 3481 struct dp_soc *soc = peer->vdev->pdev->soc; 3482 struct hal_reo_cmd_params params; 3483 3484 if (!dp_rx_tid_update_allow(peer)) { 3485 dp_peer_err("skip tid update for peer:" QDF_MAC_ADDR_FMT, 3486 QDF_MAC_ADDR_REF(peer->mac_addr.raw)); 3487 return QDF_STATUS_E_FAILURE; 3488 } 3489 3490 qdf_mem_zero(¶ms, sizeof(params)); 3491 3492 params.std.need_status = 1; 3493 params.std.addr_lo = rx_tid->hw_qdesc_paddr & 0xffffffff; 3494 params.std.addr_hi = (uint64_t)(rx_tid->hw_qdesc_paddr) >> 32; 3495 params.u.upd_queue_params.update_ba_window_size = 1; 3496 params.u.upd_queue_params.ba_window_size = ba_window_size; 3497 3498 if (start_seq < IEEE80211_SEQ_MAX) { 3499 params.u.upd_queue_params.update_ssn = 1; 3500 params.u.upd_queue_params.ssn = start_seq; 3501 } else { 3502 dp_set_ssn_valid_flag(¶ms, 0); 3503 } 3504 3505 if (dp_reo_send_cmd(soc, CMD_UPDATE_RX_REO_QUEUE, ¶ms, 3506 dp_rx_tid_update_cb, rx_tid)) { 3507 dp_err_log("failed to send reo cmd CMD_UPDATE_RX_REO_QUEUE"); 3508 DP_STATS_INC(soc, rx.err.reo_cmd_send_fail, 1); 3509 } 3510 3511 rx_tid->ba_win_size = ba_window_size; 3512 3513 if (dp_get_peer_vdev_roaming_in_progress(peer)) 3514 return QDF_STATUS_E_PERM; 3515 3516 if (!bar_update) 3517 dp_peer_rx_reorder_queue_setup(soc, peer, 3518 tid, ba_window_size); 3519 3520 return QDF_STATUS_SUCCESS; 3521 } 3522 3523 #ifdef WLAN_DP_FEATURE_DEFERRED_REO_QDESC_DESTROY 3524 /* 3525 * dp_reo_desc_defer_free_enqueue() - enqueue REO QDESC to be freed into 3526 * the deferred list 3527 * @soc: Datapath soc handle 3528 * @free_desc: REO DESC reference that needs to be freed 3529 * 3530 * Return: true if enqueued, else false 3531 */ 3532 static bool dp_reo_desc_defer_free_enqueue(struct dp_soc *soc, 3533 struct reo_desc_list_node *freedesc) 3534 { 3535 struct reo_desc_deferred_freelist_node *desc; 3536 3537 if (!qdf_atomic_read(&soc->cmn_init_done)) 3538 return false; 3539 3540 desc = qdf_mem_malloc(sizeof(*desc)); 3541 if (!desc) 3542 return false; 3543 3544 desc->hw_qdesc_paddr = freedesc->rx_tid.hw_qdesc_paddr; 3545 desc->hw_qdesc_alloc_size = freedesc->rx_tid.hw_qdesc_alloc_size; 3546 desc->hw_qdesc_vaddr_unaligned = 3547 freedesc->rx_tid.hw_qdesc_vaddr_unaligned; 3548 desc->free_ts = qdf_get_system_timestamp(); 3549 DP_RX_REO_QDESC_DEFERRED_GET_MAC(desc, freedesc); 3550 3551 qdf_spin_lock_bh(&soc->reo_desc_deferred_freelist_lock); 3552 if (!soc->reo_desc_deferred_freelist_init) { 3553 qdf_mem_free(desc); 3554 qdf_spin_unlock_bh(&soc->reo_desc_deferred_freelist_lock); 3555 return false; 3556 } 3557 qdf_list_insert_back(&soc->reo_desc_deferred_freelist, 3558 (qdf_list_node_t *)desc); 3559 qdf_spin_unlock_bh(&soc->reo_desc_deferred_freelist_lock); 3560 3561 return true; 3562 } 3563 3564 /* 3565 * dp_reo_desc_defer_free() - free the REO QDESC in the deferred list 3566 * based on time threshold 3567 * @soc: Datapath soc handle 3568 * @free_desc: REO DESC reference that needs to be freed 3569 * 3570 * Return: true if enqueued, else false 3571 */ 3572 static void dp_reo_desc_defer_free(struct dp_soc *soc) 3573 { 3574 struct reo_desc_deferred_freelist_node *desc; 3575 unsigned long curr_ts = qdf_get_system_timestamp(); 3576 3577 qdf_spin_lock_bh(&soc->reo_desc_deferred_freelist_lock); 3578 3579 while ((qdf_list_peek_front(&soc->reo_desc_deferred_freelist, 3580 (qdf_list_node_t **)&desc) == QDF_STATUS_SUCCESS) && 3581 (curr_ts > (desc->free_ts + REO_DESC_DEFERRED_FREE_MS))) { 3582 qdf_list_remove_front(&soc->reo_desc_deferred_freelist, 3583 (qdf_list_node_t **)&desc); 3584 3585 DP_RX_REO_QDESC_DEFERRED_FREE_EVT(desc); 3586 3587 qdf_mem_unmap_nbytes_single(soc->osdev, 3588 desc->hw_qdesc_paddr, 3589 QDF_DMA_BIDIRECTIONAL, 3590 desc->hw_qdesc_alloc_size); 3591 qdf_mem_free(desc->hw_qdesc_vaddr_unaligned); 3592 qdf_mem_free(desc); 3593 3594 curr_ts = qdf_get_system_timestamp(); 3595 } 3596 3597 qdf_spin_unlock_bh(&soc->reo_desc_deferred_freelist_lock); 3598 } 3599 #else 3600 static inline bool 3601 dp_reo_desc_defer_free_enqueue(struct dp_soc *soc, 3602 struct reo_desc_list_node *freedesc) 3603 { 3604 return false; 3605 } 3606 3607 static void dp_reo_desc_defer_free(struct dp_soc *soc) 3608 { 3609 } 3610 #endif /* !WLAN_DP_FEATURE_DEFERRED_REO_QDESC_DESTROY */ 3611 3612 /* 3613 * dp_reo_desc_free() - Callback free reo descriptor memory after 3614 * HW cache flush 3615 * 3616 * @soc: DP SOC handle 3617 * @cb_ctxt: Callback context 3618 * @reo_status: REO command status 3619 */ 3620 static void dp_reo_desc_free(struct dp_soc *soc, void *cb_ctxt, 3621 union hal_reo_status *reo_status) 3622 { 3623 struct reo_desc_list_node *freedesc = 3624 (struct reo_desc_list_node *)cb_ctxt; 3625 struct dp_rx_tid *rx_tid = &freedesc->rx_tid; 3626 unsigned long curr_ts = qdf_get_system_timestamp(); 3627 3628 if ((reo_status->fl_cache_status.header.status != 3629 HAL_REO_CMD_SUCCESS) && 3630 (reo_status->fl_cache_status.header.status != 3631 HAL_REO_CMD_DRAIN)) { 3632 dp_peer_err("%pK: Rx tid HW desc flush failed(%d): tid %d", 3633 soc, reo_status->rx_queue_status.header.status, 3634 freedesc->rx_tid.tid); 3635 } 3636 dp_peer_info("%pK: %lu hw_qdesc_paddr: %pK, tid:%d", soc, 3637 curr_ts, (void *)(rx_tid->hw_qdesc_paddr), 3638 rx_tid->tid); 3639 3640 /* REO desc is enqueued to be freed at a later point 3641 * in time, just free the freedesc alone and return 3642 */ 3643 if (dp_reo_desc_defer_free_enqueue(soc, freedesc)) 3644 goto out; 3645 3646 DP_RX_REO_QDESC_FREE_EVT(freedesc); 3647 3648 hal_reo_shared_qaddr_cache_clear(soc->hal_soc); 3649 qdf_mem_unmap_nbytes_single(soc->osdev, 3650 rx_tid->hw_qdesc_paddr, 3651 QDF_DMA_BIDIRECTIONAL, 3652 rx_tid->hw_qdesc_alloc_size); 3653 qdf_mem_free(rx_tid->hw_qdesc_vaddr_unaligned); 3654 out: 3655 qdf_mem_free(freedesc); 3656 } 3657 3658 #if defined(CONFIG_WIFI_EMULATION_WIFI_3_0) && defined(BUILD_X86) 3659 /* Hawkeye emulation requires bus address to be >= 0x50000000 */ 3660 static inline int dp_reo_desc_addr_chk(qdf_dma_addr_t dma_addr) 3661 { 3662 if (dma_addr < 0x50000000) 3663 return QDF_STATUS_E_FAILURE; 3664 else 3665 return QDF_STATUS_SUCCESS; 3666 } 3667 #else 3668 static inline int dp_reo_desc_addr_chk(qdf_dma_addr_t dma_addr) 3669 { 3670 return QDF_STATUS_SUCCESS; 3671 } 3672 #endif 3673 3674 /* 3675 * dp_rx_tid_setup_wifi3() – Setup receive TID state 3676 * @peer: Datapath peer handle 3677 * @tid: TID 3678 * @ba_window_size: BlockAck window size 3679 * @start_seq: Starting sequence number 3680 * 3681 * Return: QDF_STATUS code 3682 */ 3683 QDF_STATUS dp_rx_tid_setup_wifi3(struct dp_peer *peer, int tid, 3684 uint32_t ba_window_size, uint32_t start_seq) 3685 { 3686 struct dp_rx_tid *rx_tid = &peer->rx_tid[tid]; 3687 struct dp_vdev *vdev = peer->vdev; 3688 struct dp_soc *soc = vdev->pdev->soc; 3689 uint32_t hw_qdesc_size; 3690 uint32_t hw_qdesc_align; 3691 int hal_pn_type; 3692 void *hw_qdesc_vaddr; 3693 uint32_t alloc_tries = 0; 3694 QDF_STATUS status = QDF_STATUS_SUCCESS; 3695 struct dp_txrx_peer *txrx_peer; 3696 3697 if (!qdf_atomic_read(&peer->is_default_route_set)) 3698 return QDF_STATUS_E_FAILURE; 3699 3700 if (!dp_rx_tid_setup_allow(peer)) { 3701 dp_peer_info("skip rx tid setup for peer" QDF_MAC_ADDR_FMT, 3702 QDF_MAC_ADDR_REF(peer->mac_addr.raw)); 3703 goto send_wmi_reo_cmd; 3704 } 3705 3706 rx_tid->ba_win_size = ba_window_size; 3707 if (rx_tid->hw_qdesc_vaddr_unaligned) 3708 return dp_rx_tid_update_wifi3(peer, tid, ba_window_size, 3709 start_seq, false); 3710 rx_tid->delba_tx_status = 0; 3711 rx_tid->ppdu_id_2k = 0; 3712 rx_tid->num_of_addba_req = 0; 3713 rx_tid->num_of_delba_req = 0; 3714 rx_tid->num_of_addba_resp = 0; 3715 rx_tid->num_addba_rsp_failed = 0; 3716 rx_tid->num_addba_rsp_success = 0; 3717 rx_tid->delba_tx_success_cnt = 0; 3718 rx_tid->delba_tx_fail_cnt = 0; 3719 rx_tid->statuscode = 0; 3720 3721 /* TODO: Allocating HW queue descriptors based on max BA window size 3722 * for all QOS TIDs so that same descriptor can be used later when 3723 * ADDBA request is received. This should be changed to allocate HW 3724 * queue descriptors based on BA window size being negotiated (0 for 3725 * non BA cases), and reallocate when BA window size changes and also 3726 * send WMI message to FW to change the REO queue descriptor in Rx 3727 * peer entry as part of dp_rx_tid_update. 3728 */ 3729 hw_qdesc_size = hal_get_reo_qdesc_size(soc->hal_soc, 3730 ba_window_size, tid); 3731 3732 hw_qdesc_align = hal_get_reo_qdesc_align(soc->hal_soc); 3733 /* To avoid unnecessary extra allocation for alignment, try allocating 3734 * exact size and see if we already have aligned address. 3735 */ 3736 rx_tid->hw_qdesc_alloc_size = hw_qdesc_size; 3737 3738 try_desc_alloc: 3739 rx_tid->hw_qdesc_vaddr_unaligned = 3740 qdf_mem_malloc(rx_tid->hw_qdesc_alloc_size); 3741 3742 if (!rx_tid->hw_qdesc_vaddr_unaligned) { 3743 dp_peer_err("%pK: Rx tid HW desc alloc failed: tid %d", 3744 soc, tid); 3745 return QDF_STATUS_E_NOMEM; 3746 } 3747 3748 if ((unsigned long)(rx_tid->hw_qdesc_vaddr_unaligned) % 3749 hw_qdesc_align) { 3750 /* Address allocated above is not aligned. Allocate extra 3751 * memory for alignment 3752 */ 3753 qdf_mem_free(rx_tid->hw_qdesc_vaddr_unaligned); 3754 rx_tid->hw_qdesc_vaddr_unaligned = 3755 qdf_mem_malloc(rx_tid->hw_qdesc_alloc_size + 3756 hw_qdesc_align - 1); 3757 3758 if (!rx_tid->hw_qdesc_vaddr_unaligned) { 3759 dp_peer_err("%pK: Rx tid HW desc alloc failed: tid %d", 3760 soc, tid); 3761 return QDF_STATUS_E_NOMEM; 3762 } 3763 3764 hw_qdesc_vaddr = (void *)qdf_align((unsigned long) 3765 rx_tid->hw_qdesc_vaddr_unaligned, 3766 hw_qdesc_align); 3767 3768 dp_peer_debug("%pK: Total Size %d Aligned Addr %pK", 3769 soc, rx_tid->hw_qdesc_alloc_size, 3770 hw_qdesc_vaddr); 3771 3772 } else { 3773 hw_qdesc_vaddr = rx_tid->hw_qdesc_vaddr_unaligned; 3774 } 3775 rx_tid->hw_qdesc_vaddr_aligned = hw_qdesc_vaddr; 3776 3777 txrx_peer = dp_get_txrx_peer(peer); 3778 3779 /* TODO: Ensure that sec_type is set before ADDBA is received. 3780 * Currently this is set based on htt indication 3781 * HTT_T2H_MSG_TYPE_SEC_IND from target 3782 */ 3783 switch (txrx_peer->security[dp_sec_ucast].sec_type) { 3784 case cdp_sec_type_tkip_nomic: 3785 case cdp_sec_type_aes_ccmp: 3786 case cdp_sec_type_aes_ccmp_256: 3787 case cdp_sec_type_aes_gcmp: 3788 case cdp_sec_type_aes_gcmp_256: 3789 hal_pn_type = HAL_PN_WPA; 3790 break; 3791 case cdp_sec_type_wapi: 3792 if (vdev->opmode == wlan_op_mode_ap) 3793 hal_pn_type = HAL_PN_WAPI_EVEN; 3794 else 3795 hal_pn_type = HAL_PN_WAPI_UNEVEN; 3796 break; 3797 default: 3798 hal_pn_type = HAL_PN_NONE; 3799 break; 3800 } 3801 3802 hal_reo_qdesc_setup(soc->hal_soc, tid, ba_window_size, start_seq, 3803 hw_qdesc_vaddr, rx_tid->hw_qdesc_paddr, hal_pn_type, 3804 vdev->vdev_stats_id); 3805 3806 qdf_mem_map_nbytes_single(soc->osdev, hw_qdesc_vaddr, 3807 QDF_DMA_BIDIRECTIONAL, rx_tid->hw_qdesc_alloc_size, 3808 &(rx_tid->hw_qdesc_paddr)); 3809 3810 if (dp_reo_desc_addr_chk(rx_tid->hw_qdesc_paddr) != 3811 QDF_STATUS_SUCCESS) { 3812 if (alloc_tries++ < 10) { 3813 qdf_mem_free(rx_tid->hw_qdesc_vaddr_unaligned); 3814 rx_tid->hw_qdesc_vaddr_unaligned = NULL; 3815 goto try_desc_alloc; 3816 } else { 3817 dp_peer_err("%pK: Rx tid HW desc alloc failed (lowmem): tid %d", 3818 soc, tid); 3819 status = QDF_STATUS_E_NOMEM; 3820 goto error; 3821 } 3822 } 3823 3824 send_wmi_reo_cmd: 3825 if (dp_get_peer_vdev_roaming_in_progress(peer)) { 3826 status = QDF_STATUS_E_PERM; 3827 goto error; 3828 } 3829 3830 status = dp_peer_rx_reorder_queue_setup(soc, peer, 3831 tid, ba_window_size); 3832 if (QDF_IS_STATUS_SUCCESS(status)) 3833 return status; 3834 3835 error: 3836 if (rx_tid->hw_qdesc_vaddr_unaligned) { 3837 if (dp_reo_desc_addr_chk(rx_tid->hw_qdesc_paddr) == 3838 QDF_STATUS_SUCCESS) 3839 qdf_mem_unmap_nbytes_single( 3840 soc->osdev, 3841 rx_tid->hw_qdesc_paddr, 3842 QDF_DMA_BIDIRECTIONAL, 3843 rx_tid->hw_qdesc_alloc_size); 3844 qdf_mem_free(rx_tid->hw_qdesc_vaddr_unaligned); 3845 rx_tid->hw_qdesc_vaddr_unaligned = NULL; 3846 rx_tid->hw_qdesc_paddr = 0; 3847 } 3848 return status; 3849 } 3850 3851 #ifdef DP_UMAC_HW_RESET_SUPPORT 3852 static 3853 void dp_peer_rst_tids(struct dp_soc *soc, struct dp_peer *peer, void *arg) 3854 { 3855 int tid; 3856 3857 for (tid = 0; tid < (DP_MAX_TIDS - 1); tid++) { 3858 struct dp_rx_tid *rx_tid = &peer->rx_tid[tid]; 3859 void *vaddr = rx_tid->hw_qdesc_vaddr_aligned; 3860 3861 if (vaddr) 3862 dp_reset_rx_reo_tid_queue(soc, vaddr, 3863 rx_tid->hw_qdesc_alloc_size); 3864 } 3865 } 3866 3867 void dp_reset_tid_q_setup(struct dp_soc *soc) 3868 { 3869 dp_soc_iterate_peer(soc, dp_peer_rst_tids, NULL, DP_MOD_ID_UMAC_RESET); 3870 } 3871 #endif 3872 #ifdef REO_DESC_DEFER_FREE 3873 /* 3874 * dp_reo_desc_clean_up() - If cmd to flush base desc fails add 3875 * desc back to freelist and defer the deletion 3876 * 3877 * @soc: DP SOC handle 3878 * @desc: Base descriptor to be freed 3879 * @reo_status: REO command status 3880 */ 3881 static void dp_reo_desc_clean_up(struct dp_soc *soc, 3882 struct reo_desc_list_node *desc, 3883 union hal_reo_status *reo_status) 3884 { 3885 desc->free_ts = qdf_get_system_timestamp(); 3886 DP_STATS_INC(soc, rx.err.reo_cmd_send_fail, 1); 3887 qdf_list_insert_back(&soc->reo_desc_freelist, 3888 (qdf_list_node_t *)desc); 3889 } 3890 3891 /* 3892 * dp_reo_limit_clean_batch_sz() - Limit number REO CMD queued to cmd 3893 * ring in avoid of REO hang 3894 * 3895 * @list_size: REO desc list size to be cleaned 3896 */ 3897 static inline void dp_reo_limit_clean_batch_sz(uint32_t *list_size) 3898 { 3899 unsigned long curr_ts = qdf_get_system_timestamp(); 3900 3901 if ((*list_size) > REO_DESC_FREELIST_SIZE) { 3902 dp_err_log("%lu:freedesc number %d in freelist", 3903 curr_ts, *list_size); 3904 /* limit the batch queue size */ 3905 *list_size = REO_DESC_FREELIST_SIZE; 3906 } 3907 } 3908 #else 3909 /* 3910 * dp_reo_desc_clean_up() - If send cmd to REO inorder to flush 3911 * cache fails free the base REO desc anyway 3912 * 3913 * @soc: DP SOC handle 3914 * @desc: Base descriptor to be freed 3915 * @reo_status: REO command status 3916 */ 3917 static void dp_reo_desc_clean_up(struct dp_soc *soc, 3918 struct reo_desc_list_node *desc, 3919 union hal_reo_status *reo_status) 3920 { 3921 if (reo_status) { 3922 qdf_mem_zero(reo_status, sizeof(*reo_status)); 3923 reo_status->fl_cache_status.header.status = 0; 3924 dp_reo_desc_free(soc, (void *)desc, reo_status); 3925 } 3926 } 3927 3928 /* 3929 * dp_reo_limit_clean_batch_sz() - Limit number REO CMD queued to cmd 3930 * ring in avoid of REO hang 3931 * 3932 * @list_size: REO desc list size to be cleaned 3933 */ 3934 static inline void dp_reo_limit_clean_batch_sz(uint32_t *list_size) 3935 { 3936 } 3937 #endif 3938 3939 /* 3940 * dp_resend_update_reo_cmd() - Resend the UPDATE_REO_QUEUE 3941 * cmd and re-insert desc into free list if send fails. 3942 * 3943 * @soc: DP SOC handle 3944 * @desc: desc with resend update cmd flag set 3945 * @rx_tid: Desc RX tid associated with update cmd for resetting 3946 * valid field to 0 in h/w 3947 * 3948 * Return: QDF status 3949 */ 3950 static QDF_STATUS 3951 dp_resend_update_reo_cmd(struct dp_soc *soc, 3952 struct reo_desc_list_node *desc, 3953 struct dp_rx_tid *rx_tid) 3954 { 3955 struct hal_reo_cmd_params params; 3956 3957 qdf_mem_zero(¶ms, sizeof(params)); 3958 params.std.need_status = 1; 3959 params.std.addr_lo = 3960 rx_tid->hw_qdesc_paddr & 0xffffffff; 3961 params.std.addr_hi = 3962 (uint64_t)(rx_tid->hw_qdesc_paddr) >> 32; 3963 params.u.upd_queue_params.update_vld = 1; 3964 params.u.upd_queue_params.vld = 0; 3965 desc->resend_update_reo_cmd = false; 3966 /* 3967 * If the cmd send fails then set resend_update_reo_cmd flag 3968 * and insert the desc at the end of the free list to retry. 3969 */ 3970 if (dp_reo_send_cmd(soc, 3971 CMD_UPDATE_RX_REO_QUEUE, 3972 ¶ms, 3973 dp_rx_tid_delete_cb, 3974 (void *)desc) 3975 != QDF_STATUS_SUCCESS) { 3976 desc->resend_update_reo_cmd = true; 3977 desc->free_ts = qdf_get_system_timestamp(); 3978 qdf_list_insert_back(&soc->reo_desc_freelist, 3979 (qdf_list_node_t *)desc); 3980 dp_err_log("failed to send reo cmd CMD_UPDATE_RX_REO_QUEUE"); 3981 DP_STATS_INC(soc, rx.err.reo_cmd_send_fail, 1); 3982 return QDF_STATUS_E_FAILURE; 3983 } 3984 3985 return QDF_STATUS_SUCCESS; 3986 } 3987 3988 /* 3989 * dp_rx_tid_delete_cb() - Callback to flush reo descriptor HW cache 3990 * after deleting the entries (ie., setting valid=0) 3991 * 3992 * @soc: DP SOC handle 3993 * @cb_ctxt: Callback context 3994 * @reo_status: REO command status 3995 */ 3996 void dp_rx_tid_delete_cb(struct dp_soc *soc, void *cb_ctxt, 3997 union hal_reo_status *reo_status) 3998 { 3999 struct reo_desc_list_node *freedesc = 4000 (struct reo_desc_list_node *)cb_ctxt; 4001 uint32_t list_size; 4002 struct reo_desc_list_node *desc; 4003 unsigned long curr_ts = qdf_get_system_timestamp(); 4004 uint32_t desc_size, tot_desc_size; 4005 struct hal_reo_cmd_params params; 4006 bool flush_failure = false; 4007 4008 DP_RX_REO_QDESC_UPDATE_EVT(freedesc); 4009 4010 if (reo_status->rx_queue_status.header.status == HAL_REO_CMD_DRAIN) { 4011 qdf_mem_zero(reo_status, sizeof(*reo_status)); 4012 reo_status->fl_cache_status.header.status = HAL_REO_CMD_DRAIN; 4013 dp_reo_desc_free(soc, (void *)freedesc, reo_status); 4014 DP_STATS_INC(soc, rx.err.reo_cmd_send_drain, 1); 4015 return; 4016 } else if (reo_status->rx_queue_status.header.status != 4017 HAL_REO_CMD_SUCCESS) { 4018 /* Should not happen normally. Just print error for now */ 4019 dp_info_rl("Rx tid HW desc deletion failed(%d): tid %d", 4020 reo_status->rx_queue_status.header.status, 4021 freedesc->rx_tid.tid); 4022 } 4023 4024 dp_peer_info("%pK: rx_tid: %d status: %d", 4025 soc, freedesc->rx_tid.tid, 4026 reo_status->rx_queue_status.header.status); 4027 4028 qdf_spin_lock_bh(&soc->reo_desc_freelist_lock); 4029 freedesc->free_ts = curr_ts; 4030 qdf_list_insert_back_size(&soc->reo_desc_freelist, 4031 (qdf_list_node_t *)freedesc, &list_size); 4032 4033 /* MCL path add the desc back to reo_desc_freelist when REO FLUSH 4034 * failed. it may cause the number of REO queue pending in free 4035 * list is even larger than REO_CMD_RING max size and lead REO CMD 4036 * flood then cause REO HW in an unexpected condition. So it's 4037 * needed to limit the number REO cmds in a batch operation. 4038 */ 4039 dp_reo_limit_clean_batch_sz(&list_size); 4040 4041 while ((qdf_list_peek_front(&soc->reo_desc_freelist, 4042 (qdf_list_node_t **)&desc) == QDF_STATUS_SUCCESS) && 4043 ((list_size >= REO_DESC_FREELIST_SIZE) || 4044 (curr_ts > (desc->free_ts + REO_DESC_FREE_DEFER_MS)) || 4045 (desc->resend_update_reo_cmd && list_size))) { 4046 struct dp_rx_tid *rx_tid; 4047 4048 qdf_list_remove_front(&soc->reo_desc_freelist, 4049 (qdf_list_node_t **)&desc); 4050 list_size--; 4051 rx_tid = &desc->rx_tid; 4052 4053 /* First process descs with resend_update_reo_cmd set */ 4054 if (desc->resend_update_reo_cmd) { 4055 if (dp_resend_update_reo_cmd(soc, desc, rx_tid) != 4056 QDF_STATUS_SUCCESS) 4057 break; 4058 else 4059 continue; 4060 } 4061 4062 /* Flush and invalidate REO descriptor from HW cache: Base and 4063 * extension descriptors should be flushed separately */ 4064 if (desc->pending_ext_desc_size) 4065 tot_desc_size = desc->pending_ext_desc_size; 4066 else 4067 tot_desc_size = rx_tid->hw_qdesc_alloc_size; 4068 /* Get base descriptor size by passing non-qos TID */ 4069 desc_size = hal_get_reo_qdesc_size(soc->hal_soc, 0, 4070 DP_NON_QOS_TID); 4071 4072 /* Flush reo extension descriptors */ 4073 while ((tot_desc_size -= desc_size) > 0) { 4074 qdf_mem_zero(¶ms, sizeof(params)); 4075 params.std.addr_lo = 4076 ((uint64_t)(rx_tid->hw_qdesc_paddr) + 4077 tot_desc_size) & 0xffffffff; 4078 params.std.addr_hi = 4079 (uint64_t)(rx_tid->hw_qdesc_paddr) >> 32; 4080 4081 if (QDF_STATUS_SUCCESS != dp_reo_send_cmd(soc, 4082 CMD_FLUSH_CACHE, 4083 ¶ms, 4084 NULL, 4085 NULL)) { 4086 dp_info_rl("fail to send CMD_CACHE_FLUSH:" 4087 "tid %d desc %pK", rx_tid->tid, 4088 (void *)(rx_tid->hw_qdesc_paddr)); 4089 desc->pending_ext_desc_size = tot_desc_size + 4090 desc_size; 4091 dp_reo_desc_clean_up(soc, desc, reo_status); 4092 flush_failure = true; 4093 break; 4094 } 4095 } 4096 4097 if (flush_failure) 4098 break; 4099 else 4100 desc->pending_ext_desc_size = desc_size; 4101 4102 /* Flush base descriptor */ 4103 qdf_mem_zero(¶ms, sizeof(params)); 4104 params.std.need_status = 1; 4105 params.std.addr_lo = 4106 (uint64_t)(rx_tid->hw_qdesc_paddr) & 0xffffffff; 4107 params.std.addr_hi = (uint64_t)(rx_tid->hw_qdesc_paddr) >> 32; 4108 4109 if (QDF_STATUS_SUCCESS != dp_reo_send_cmd(soc, 4110 CMD_FLUSH_CACHE, 4111 ¶ms, 4112 dp_reo_desc_free, 4113 (void *)desc)) { 4114 union hal_reo_status reo_status; 4115 /* 4116 * If dp_reo_send_cmd return failure, related TID queue desc 4117 * should be unmapped. Also locally reo_desc, together with 4118 * TID queue desc also need to be freed accordingly. 4119 * 4120 * Here invoke desc_free function directly to do clean up. 4121 * 4122 * In case of MCL path add the desc back to the free 4123 * desc list and defer deletion. 4124 */ 4125 dp_info_rl("fail to send REO cmd to flush cache: tid %d", 4126 rx_tid->tid); 4127 dp_reo_desc_clean_up(soc, desc, &reo_status); 4128 DP_STATS_INC(soc, rx.err.reo_cmd_send_fail, 1); 4129 break; 4130 } 4131 } 4132 qdf_spin_unlock_bh(&soc->reo_desc_freelist_lock); 4133 4134 dp_reo_desc_defer_free(soc); 4135 } 4136 4137 /* 4138 * dp_rx_tid_delete_wifi3() – Delete receive TID queue 4139 * @peer: Datapath peer handle 4140 * @tid: TID 4141 * 4142 * Return: 0 on success, error code on failure 4143 */ 4144 static int dp_rx_tid_delete_wifi3(struct dp_peer *peer, int tid) 4145 { 4146 struct dp_rx_tid *rx_tid = &(peer->rx_tid[tid]); 4147 struct dp_soc *soc = peer->vdev->pdev->soc; 4148 struct hal_reo_cmd_params params; 4149 struct reo_desc_list_node *freedesc = 4150 qdf_mem_malloc(sizeof(*freedesc)); 4151 4152 if (!freedesc) { 4153 dp_peer_err("%pK: malloc failed for freedesc: tid %d", 4154 soc, tid); 4155 qdf_assert(0); 4156 return -ENOMEM; 4157 } 4158 4159 freedesc->rx_tid = *rx_tid; 4160 freedesc->resend_update_reo_cmd = false; 4161 4162 qdf_mem_zero(¶ms, sizeof(params)); 4163 4164 DP_RX_REO_QDESC_GET_MAC(freedesc, peer); 4165 4166 params.std.need_status = 1; 4167 params.std.addr_lo = rx_tid->hw_qdesc_paddr & 0xffffffff; 4168 params.std.addr_hi = (uint64_t)(rx_tid->hw_qdesc_paddr) >> 32; 4169 params.u.upd_queue_params.update_vld = 1; 4170 params.u.upd_queue_params.vld = 0; 4171 4172 if (dp_reo_send_cmd(soc, CMD_UPDATE_RX_REO_QUEUE, ¶ms, 4173 dp_rx_tid_delete_cb, (void *)freedesc) 4174 != QDF_STATUS_SUCCESS) { 4175 /* Defer the clean up to the call back context */ 4176 qdf_spin_lock_bh(&soc->reo_desc_freelist_lock); 4177 freedesc->free_ts = qdf_get_system_timestamp(); 4178 freedesc->resend_update_reo_cmd = true; 4179 qdf_list_insert_front(&soc->reo_desc_freelist, 4180 (qdf_list_node_t *)freedesc); 4181 DP_STATS_INC(soc, rx.err.reo_cmd_send_fail, 1); 4182 qdf_spin_unlock_bh(&soc->reo_desc_freelist_lock); 4183 dp_info("Failed to send CMD_UPDATE_RX_REO_QUEUE"); 4184 } 4185 4186 rx_tid->hw_qdesc_vaddr_unaligned = NULL; 4187 rx_tid->hw_qdesc_alloc_size = 0; 4188 rx_tid->hw_qdesc_paddr = 0; 4189 4190 return 0; 4191 } 4192 4193 #ifdef DP_LFR 4194 static void dp_peer_setup_remaining_tids(struct dp_peer *peer) 4195 { 4196 int tid; 4197 4198 for (tid = 1; tid < DP_MAX_TIDS-1; tid++) { 4199 dp_rx_tid_setup_wifi3(peer, tid, 1, 0); 4200 dp_peer_debug("Setting up TID %d for peer %pK peer->local_id %d", 4201 tid, peer, peer->local_id); 4202 } 4203 } 4204 #else 4205 static void dp_peer_setup_remaining_tids(struct dp_peer *peer) {}; 4206 #endif 4207 4208 #ifdef WLAN_FEATURE_11BE_MLO 4209 /** 4210 * dp_peer_rx_tids_init() - initialize each tids in peer 4211 * @peer: peer pointer 4212 * 4213 * Return: None 4214 */ 4215 static void dp_peer_rx_tids_init(struct dp_peer *peer) 4216 { 4217 int tid; 4218 struct dp_rx_tid *rx_tid; 4219 struct dp_rx_tid_defrag *rx_tid_defrag; 4220 4221 if (!IS_MLO_DP_LINK_PEER(peer)) { 4222 for (tid = 0; tid < DP_MAX_TIDS; tid++) { 4223 rx_tid_defrag = &peer->txrx_peer->rx_tid[tid]; 4224 4225 rx_tid_defrag->array = &rx_tid_defrag->base; 4226 rx_tid_defrag->defrag_timeout_ms = 0; 4227 rx_tid_defrag->defrag_waitlist_elem.tqe_next = NULL; 4228 rx_tid_defrag->defrag_waitlist_elem.tqe_prev = NULL; 4229 rx_tid_defrag->base.head = NULL; 4230 rx_tid_defrag->base.tail = NULL; 4231 rx_tid_defrag->tid = tid; 4232 rx_tid_defrag->defrag_peer = peer->txrx_peer; 4233 } 4234 } 4235 4236 /* if not first assoc link peer, 4237 * not to initialize rx_tids again. 4238 */ 4239 if (IS_MLO_DP_LINK_PEER(peer) && !peer->first_link) 4240 return; 4241 4242 for (tid = 0; tid < DP_MAX_TIDS; tid++) { 4243 rx_tid = &peer->rx_tid[tid]; 4244 rx_tid->tid = tid; 4245 rx_tid->ba_win_size = 0; 4246 rx_tid->ba_status = DP_RX_BA_INACTIVE; 4247 } 4248 } 4249 #else 4250 static void dp_peer_rx_tids_init(struct dp_peer *peer) 4251 { 4252 int tid; 4253 struct dp_rx_tid *rx_tid; 4254 struct dp_rx_tid_defrag *rx_tid_defrag; 4255 4256 for (tid = 0; tid < DP_MAX_TIDS; tid++) { 4257 rx_tid = &peer->rx_tid[tid]; 4258 4259 rx_tid_defrag = &peer->txrx_peer->rx_tid[tid]; 4260 rx_tid->tid = tid; 4261 rx_tid->ba_win_size = 0; 4262 rx_tid->ba_status = DP_RX_BA_INACTIVE; 4263 4264 rx_tid_defrag->base.head = NULL; 4265 rx_tid_defrag->base.tail = NULL; 4266 rx_tid_defrag->tid = tid; 4267 rx_tid_defrag->array = &rx_tid_defrag->base; 4268 rx_tid_defrag->defrag_timeout_ms = 0; 4269 rx_tid_defrag->defrag_waitlist_elem.tqe_next = NULL; 4270 rx_tid_defrag->defrag_waitlist_elem.tqe_prev = NULL; 4271 rx_tid_defrag->defrag_peer = peer->txrx_peer; 4272 } 4273 } 4274 #endif 4275 4276 /* 4277 * dp_peer_rx_init() – Initialize receive TID state 4278 * @pdev: Datapath pdev 4279 * @peer: Datapath peer 4280 * 4281 */ 4282 void dp_peer_rx_init(struct dp_pdev *pdev, struct dp_peer *peer) 4283 { 4284 dp_peer_rx_tids_init(peer); 4285 4286 peer->active_ba_session_cnt = 0; 4287 peer->hw_buffer_size = 0; 4288 peer->kill_256_sessions = 0; 4289 4290 /* Setup default (non-qos) rx tid queue */ 4291 dp_rx_tid_setup_wifi3(peer, DP_NON_QOS_TID, 1, 0); 4292 4293 /* Setup rx tid queue for TID 0. 4294 * Other queues will be setup on receiving first packet, which will cause 4295 * NULL REO queue error 4296 */ 4297 dp_rx_tid_setup_wifi3(peer, 0, 1, 0); 4298 4299 /* 4300 * Setup the rest of TID's to handle LFR 4301 */ 4302 dp_peer_setup_remaining_tids(peer); 4303 4304 /* 4305 * Set security defaults: no PN check, no security. The target may 4306 * send a HTT SEC_IND message to overwrite these defaults. 4307 */ 4308 if (peer->txrx_peer) 4309 peer->txrx_peer->security[dp_sec_ucast].sec_type = 4310 peer->txrx_peer->security[dp_sec_mcast].sec_type = 4311 cdp_sec_type_none; 4312 } 4313 4314 /* 4315 * dp_peer_rx_cleanup() – Cleanup receive TID state 4316 * @vdev: Datapath vdev 4317 * @peer: Datapath peer 4318 * 4319 */ 4320 void dp_peer_rx_cleanup(struct dp_vdev *vdev, struct dp_peer *peer) 4321 { 4322 int tid; 4323 uint32_t tid_delete_mask = 0; 4324 4325 if (!peer->txrx_peer) 4326 return; 4327 4328 dp_info("Remove tids for peer: %pK", peer); 4329 4330 for (tid = 0; tid < DP_MAX_TIDS; tid++) { 4331 struct dp_rx_tid *rx_tid = &peer->rx_tid[tid]; 4332 struct dp_rx_tid_defrag *defrag_rx_tid = 4333 &peer->txrx_peer->rx_tid[tid]; 4334 4335 qdf_spin_lock_bh(&defrag_rx_tid->defrag_tid_lock); 4336 if (!peer->bss_peer || peer->vdev->opmode == wlan_op_mode_sta) { 4337 /* Cleanup defrag related resource */ 4338 dp_rx_defrag_waitlist_remove(peer->txrx_peer, tid); 4339 dp_rx_reorder_flush_frag(peer->txrx_peer, tid); 4340 } 4341 qdf_spin_unlock_bh(&defrag_rx_tid->defrag_tid_lock); 4342 4343 qdf_spin_lock_bh(&rx_tid->tid_lock); 4344 if (peer->rx_tid[tid].hw_qdesc_vaddr_unaligned) { 4345 dp_rx_tid_delete_wifi3(peer, tid); 4346 4347 tid_delete_mask |= (1 << tid); 4348 } 4349 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4350 } 4351 #ifdef notyet /* See if FW can remove queues as part of peer cleanup */ 4352 if (soc->ol_ops->peer_rx_reorder_queue_remove) { 4353 soc->ol_ops->peer_rx_reorder_queue_remove(soc->ctrl_psoc, 4354 peer->vdev->pdev->pdev_id, 4355 peer->vdev->vdev_id, peer->mac_addr.raw, 4356 tid_delete_mask); 4357 } 4358 #endif 4359 } 4360 4361 /* 4362 * dp_peer_cleanup() – Cleanup peer information 4363 * @vdev: Datapath vdev 4364 * @peer: Datapath peer 4365 * 4366 */ 4367 void dp_peer_cleanup(struct dp_vdev *vdev, struct dp_peer *peer) 4368 { 4369 enum wlan_op_mode vdev_opmode; 4370 uint8_t vdev_mac_addr[QDF_MAC_ADDR_SIZE]; 4371 struct dp_pdev *pdev = vdev->pdev; 4372 struct dp_soc *soc = pdev->soc; 4373 4374 /* save vdev related member in case vdev freed */ 4375 vdev_opmode = vdev->opmode; 4376 4377 if (!IS_MLO_DP_MLD_PEER(peer)) 4378 dp_monitor_peer_tx_cleanup(vdev, peer); 4379 4380 if (vdev_opmode != wlan_op_mode_monitor) 4381 /* cleanup the Rx reorder queues for this peer */ 4382 dp_peer_rx_cleanup(vdev, peer); 4383 4384 dp_peer_rx_tids_destroy(peer); 4385 4386 if (IS_MLO_DP_LINK_PEER(peer)) 4387 dp_link_peer_del_mld_peer(peer); 4388 if (IS_MLO_DP_MLD_PEER(peer)) 4389 dp_mld_peer_deinit_link_peers_info(peer); 4390 4391 qdf_mem_copy(vdev_mac_addr, vdev->mac_addr.raw, 4392 QDF_MAC_ADDR_SIZE); 4393 4394 if (soc->cdp_soc.ol_ops->peer_unref_delete) 4395 soc->cdp_soc.ol_ops->peer_unref_delete( 4396 soc->ctrl_psoc, 4397 vdev->pdev->pdev_id, 4398 peer->mac_addr.raw, vdev_mac_addr, 4399 vdev_opmode); 4400 } 4401 4402 /* dp_teardown_256_ba_session() - Teardown sessions using 256 4403 * window size when a request with 4404 * 64 window size is received. 4405 * This is done as a WAR since HW can 4406 * have only one setting per peer (64 or 256). 4407 * For HKv2, we use per tid buffersize setting 4408 * for 0 to per_tid_basize_max_tid. For tid 4409 * more than per_tid_basize_max_tid we use HKv1 4410 * method. 4411 * @peer: Datapath peer 4412 * 4413 * Return: void 4414 */ 4415 static void dp_teardown_256_ba_sessions(struct dp_peer *peer) 4416 { 4417 uint8_t delba_rcode = 0; 4418 int tid; 4419 struct dp_rx_tid *rx_tid = NULL; 4420 4421 tid = peer->vdev->pdev->soc->per_tid_basize_max_tid; 4422 for (; tid < DP_MAX_TIDS; tid++) { 4423 rx_tid = &peer->rx_tid[tid]; 4424 qdf_spin_lock_bh(&rx_tid->tid_lock); 4425 4426 if (rx_tid->ba_win_size <= 64) { 4427 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4428 continue; 4429 } else { 4430 if (rx_tid->ba_status == DP_RX_BA_ACTIVE || 4431 rx_tid->ba_status == DP_RX_BA_IN_PROGRESS) { 4432 /* send delba */ 4433 if (!rx_tid->delba_tx_status) { 4434 rx_tid->delba_tx_retry++; 4435 rx_tid->delba_tx_status = 1; 4436 rx_tid->delba_rcode = 4437 IEEE80211_REASON_QOS_SETUP_REQUIRED; 4438 delba_rcode = rx_tid->delba_rcode; 4439 4440 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4441 if (peer->vdev->pdev->soc->cdp_soc.ol_ops->send_delba) 4442 peer->vdev->pdev->soc->cdp_soc.ol_ops->send_delba( 4443 peer->vdev->pdev->soc->ctrl_psoc, 4444 peer->vdev->vdev_id, 4445 peer->mac_addr.raw, 4446 tid, delba_rcode, 4447 CDP_DELBA_REASON_NONE); 4448 } else { 4449 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4450 } 4451 } else { 4452 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4453 } 4454 } 4455 } 4456 } 4457 4458 /* 4459 * dp_rx_addba_resp_tx_completion_wifi3() – Update Rx Tid State 4460 * 4461 * @soc: Datapath soc handle 4462 * @peer_mac: Datapath peer mac address 4463 * @vdev_id: id of atapath vdev 4464 * @tid: TID number 4465 * @status: tx completion status 4466 * Return: 0 on success, error code on failure 4467 */ 4468 int dp_addba_resp_tx_completion_wifi3(struct cdp_soc_t *cdp_soc, 4469 uint8_t *peer_mac, 4470 uint16_t vdev_id, 4471 uint8_t tid, int status) 4472 { 4473 struct dp_peer *peer = dp_peer_get_tgt_peer_hash_find( 4474 (struct dp_soc *)cdp_soc, 4475 peer_mac, 0, vdev_id, 4476 DP_MOD_ID_CDP); 4477 struct dp_rx_tid *rx_tid = NULL; 4478 4479 if (!peer) { 4480 dp_peer_debug("%pK: Peer is NULL!\n", cdp_soc); 4481 goto fail; 4482 } 4483 rx_tid = &peer->rx_tid[tid]; 4484 qdf_spin_lock_bh(&rx_tid->tid_lock); 4485 if (status) { 4486 rx_tid->num_addba_rsp_failed++; 4487 if (rx_tid->hw_qdesc_vaddr_unaligned) 4488 dp_rx_tid_update_wifi3(peer, tid, 1, 4489 IEEE80211_SEQ_MAX, false); 4490 rx_tid->ba_status = DP_RX_BA_INACTIVE; 4491 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4492 dp_err("RxTid- %d addba rsp tx completion failed", tid); 4493 4494 goto success; 4495 } 4496 4497 rx_tid->num_addba_rsp_success++; 4498 if (rx_tid->ba_status == DP_RX_BA_INACTIVE) { 4499 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4500 dp_peer_err("%pK: Rx Tid- %d hw qdesc is not in IN_PROGRESS", 4501 cdp_soc, tid); 4502 goto fail; 4503 } 4504 4505 if (!qdf_atomic_read(&peer->is_default_route_set)) { 4506 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4507 dp_peer_debug("%pK: default route is not set for peer: " QDF_MAC_ADDR_FMT, 4508 cdp_soc, QDF_MAC_ADDR_REF(peer->mac_addr.raw)); 4509 goto fail; 4510 } 4511 4512 if (dp_rx_tid_update_wifi3(peer, tid, 4513 rx_tid->ba_win_size, 4514 rx_tid->startseqnum, 4515 false)) { 4516 dp_err("Failed update REO SSN"); 4517 } 4518 4519 dp_info("tid %u window_size %u start_seq_num %u", 4520 tid, rx_tid->ba_win_size, 4521 rx_tid->startseqnum); 4522 4523 /* First Session */ 4524 if (peer->active_ba_session_cnt == 0) { 4525 if (rx_tid->ba_win_size > 64 && rx_tid->ba_win_size <= 256) 4526 peer->hw_buffer_size = 256; 4527 else if (rx_tid->ba_win_size <= 1024 && 4528 rx_tid->ba_win_size > 256) 4529 peer->hw_buffer_size = 1024; 4530 else 4531 peer->hw_buffer_size = 64; 4532 } 4533 4534 rx_tid->ba_status = DP_RX_BA_ACTIVE; 4535 4536 peer->active_ba_session_cnt++; 4537 4538 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4539 4540 /* Kill any session having 256 buffer size 4541 * when 64 buffer size request is received. 4542 * Also, latch on to 64 as new buffer size. 4543 */ 4544 if (peer->kill_256_sessions) { 4545 dp_teardown_256_ba_sessions(peer); 4546 peer->kill_256_sessions = 0; 4547 } 4548 4549 success: 4550 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 4551 return QDF_STATUS_SUCCESS; 4552 4553 fail: 4554 if (peer) 4555 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 4556 4557 return QDF_STATUS_E_FAILURE; 4558 } 4559 4560 /* 4561 * dp_rx_addba_responsesetup_wifi3() – Process ADDBA request from peer 4562 * 4563 * @soc: Datapath soc handle 4564 * @peer_mac: Datapath peer mac address 4565 * @vdev_id: id of atapath vdev 4566 * @tid: TID number 4567 * @dialogtoken: output dialogtoken 4568 * @statuscode: output dialogtoken 4569 * @buffersize: Output BA window size 4570 * @batimeout: Output BA timeout 4571 */ 4572 QDF_STATUS 4573 dp_addba_responsesetup_wifi3(struct cdp_soc_t *cdp_soc, uint8_t *peer_mac, 4574 uint16_t vdev_id, uint8_t tid, 4575 uint8_t *dialogtoken, uint16_t *statuscode, 4576 uint16_t *buffersize, uint16_t *batimeout) 4577 { 4578 struct dp_rx_tid *rx_tid = NULL; 4579 QDF_STATUS status = QDF_STATUS_SUCCESS; 4580 struct dp_peer *peer = dp_peer_find_hash_find((struct dp_soc *)cdp_soc, 4581 peer_mac, 0, vdev_id, 4582 DP_MOD_ID_CDP); 4583 4584 if (!peer) { 4585 dp_peer_debug("%pK: Peer is NULL!\n", cdp_soc); 4586 return QDF_STATUS_E_FAILURE; 4587 } 4588 rx_tid = &peer->rx_tid[tid]; 4589 qdf_spin_lock_bh(&rx_tid->tid_lock); 4590 rx_tid->num_of_addba_resp++; 4591 /* setup ADDBA response parameters */ 4592 *dialogtoken = rx_tid->dialogtoken; 4593 *statuscode = rx_tid->statuscode; 4594 *buffersize = rx_tid->ba_win_size; 4595 *batimeout = 0; 4596 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4597 4598 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 4599 4600 return status; 4601 } 4602 4603 /* dp_check_ba_buffersize() - Check buffer size in request 4604 * and latch onto this size based on 4605 * size used in first active session. 4606 * @peer: Datapath peer 4607 * @tid: Tid 4608 * @buffersize: Block ack window size 4609 * 4610 * Return: void 4611 */ 4612 static void dp_check_ba_buffersize(struct dp_peer *peer, 4613 uint16_t tid, 4614 uint16_t buffersize) 4615 { 4616 struct dp_rx_tid *rx_tid = NULL; 4617 struct dp_soc *soc = peer->vdev->pdev->soc; 4618 uint16_t max_ba_window; 4619 4620 max_ba_window = hal_get_rx_max_ba_window(soc->hal_soc, tid); 4621 dp_info("Input buffersize %d, max dp allowed %d", 4622 buffersize, max_ba_window); 4623 /* Adjust BA window size, restrict it to max DP allowed */ 4624 buffersize = QDF_MIN(buffersize, max_ba_window); 4625 4626 dp_info(QDF_MAC_ADDR_FMT" per_tid_basize_max_tid %d tid %d buffersize %d hw_buffer_size %d", 4627 QDF_MAC_ADDR_REF(peer->mac_addr.raw), 4628 soc->per_tid_basize_max_tid, tid, buffersize, 4629 peer->hw_buffer_size); 4630 4631 rx_tid = &peer->rx_tid[tid]; 4632 if (soc->per_tid_basize_max_tid && 4633 tid < soc->per_tid_basize_max_tid) { 4634 rx_tid->ba_win_size = buffersize; 4635 goto out; 4636 } else { 4637 if (peer->active_ba_session_cnt == 0) { 4638 rx_tid->ba_win_size = buffersize; 4639 } else { 4640 if (peer->hw_buffer_size == 64) { 4641 if (buffersize <= 64) 4642 rx_tid->ba_win_size = buffersize; 4643 else 4644 rx_tid->ba_win_size = peer->hw_buffer_size; 4645 } else if (peer->hw_buffer_size == 256) { 4646 if (buffersize > 64) { 4647 rx_tid->ba_win_size = buffersize; 4648 } else { 4649 rx_tid->ba_win_size = buffersize; 4650 peer->hw_buffer_size = 64; 4651 peer->kill_256_sessions = 1; 4652 } 4653 } else if (buffersize <= 1024) { 4654 /** 4655 * Above checks are only for HK V2 4656 * Set incoming buffer size for others 4657 */ 4658 rx_tid->ba_win_size = buffersize; 4659 } else { 4660 dp_err("Invalid buffer size %d", buffersize); 4661 qdf_assert_always(0); 4662 } 4663 } 4664 } 4665 4666 out: 4667 dp_info("rx_tid->ba_win_size %d peer->hw_buffer_size %d peer->kill_256_sessions %d", 4668 rx_tid->ba_win_size, 4669 peer->hw_buffer_size, 4670 peer->kill_256_sessions); 4671 } 4672 4673 QDF_STATUS dp_rx_tid_update_ba_win_size(struct cdp_soc_t *cdp_soc, 4674 uint8_t *peer_mac, uint16_t vdev_id, 4675 uint8_t tid, uint16_t buffersize) 4676 { 4677 struct dp_rx_tid *rx_tid = NULL; 4678 struct dp_peer *peer; 4679 4680 peer = dp_peer_get_tgt_peer_hash_find((struct dp_soc *)cdp_soc, 4681 peer_mac, 0, vdev_id, 4682 DP_MOD_ID_CDP); 4683 if (!peer) { 4684 dp_peer_debug("%pK: Peer is NULL!\n", cdp_soc); 4685 return QDF_STATUS_E_FAILURE; 4686 } 4687 4688 rx_tid = &peer->rx_tid[tid]; 4689 4690 qdf_spin_lock_bh(&rx_tid->tid_lock); 4691 rx_tid->ba_win_size = buffersize; 4692 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4693 4694 dp_info("peer "QDF_MAC_ADDR_FMT", tid %d, update BA win size to %d", 4695 QDF_MAC_ADDR_REF(peer->mac_addr.raw), tid, buffersize); 4696 4697 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 4698 4699 return QDF_STATUS_SUCCESS; 4700 } 4701 4702 #define DP_RX_BA_SESSION_DISABLE 1 4703 4704 /* 4705 * dp_addba_requestprocess_wifi3() - Process ADDBA request from peer 4706 * 4707 * @soc: Datapath soc handle 4708 * @peer_mac: Datapath peer mac address 4709 * @vdev_id: id of atapath vdev 4710 * @dialogtoken: dialogtoken from ADDBA frame 4711 * @tid: TID number 4712 * @batimeout: BA timeout 4713 * @buffersize: BA window size 4714 * @startseqnum: Start seq. number received in BA sequence control 4715 * 4716 * Return: 0 on success, error code on failure 4717 */ 4718 int dp_addba_requestprocess_wifi3(struct cdp_soc_t *cdp_soc, 4719 uint8_t *peer_mac, 4720 uint16_t vdev_id, 4721 uint8_t dialogtoken, 4722 uint16_t tid, uint16_t batimeout, 4723 uint16_t buffersize, 4724 uint16_t startseqnum) 4725 { 4726 QDF_STATUS status = QDF_STATUS_SUCCESS; 4727 struct dp_rx_tid *rx_tid = NULL; 4728 struct dp_peer *peer; 4729 4730 peer = dp_peer_get_tgt_peer_hash_find((struct dp_soc *)cdp_soc, 4731 peer_mac, 4732 0, vdev_id, 4733 DP_MOD_ID_CDP); 4734 4735 if (!peer) { 4736 dp_peer_debug("%pK: Peer is NULL!\n", cdp_soc); 4737 return QDF_STATUS_E_FAILURE; 4738 } 4739 rx_tid = &peer->rx_tid[tid]; 4740 qdf_spin_lock_bh(&rx_tid->tid_lock); 4741 rx_tid->num_of_addba_req++; 4742 if ((rx_tid->ba_status == DP_RX_BA_ACTIVE && 4743 rx_tid->hw_qdesc_vaddr_unaligned)) { 4744 dp_rx_tid_update_wifi3(peer, tid, 1, IEEE80211_SEQ_MAX, false); 4745 rx_tid->ba_status = DP_RX_BA_INACTIVE; 4746 peer->active_ba_session_cnt--; 4747 dp_peer_debug("%pK: Rx Tid- %d hw qdesc is already setup", 4748 cdp_soc, tid); 4749 } 4750 4751 if (rx_tid->ba_status == DP_RX_BA_IN_PROGRESS) { 4752 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4753 status = QDF_STATUS_E_FAILURE; 4754 goto fail; 4755 } 4756 4757 if (rx_tid->rx_ba_win_size_override == DP_RX_BA_SESSION_DISABLE) { 4758 dp_peer_info("%pK: disable BA session", 4759 cdp_soc); 4760 4761 buffersize = 1; 4762 } else if (rx_tid->rx_ba_win_size_override) { 4763 dp_peer_info("%pK: override BA win to %d", cdp_soc, 4764 rx_tid->rx_ba_win_size_override); 4765 4766 buffersize = rx_tid->rx_ba_win_size_override; 4767 } else { 4768 dp_peer_info("%pK: restore BA win %d based on addba req", cdp_soc, 4769 buffersize); 4770 } 4771 4772 dp_check_ba_buffersize(peer, tid, buffersize); 4773 4774 if (dp_rx_tid_setup_wifi3(peer, tid, 4775 rx_tid->ba_win_size, startseqnum)) { 4776 rx_tid->ba_status = DP_RX_BA_INACTIVE; 4777 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4778 status = QDF_STATUS_E_FAILURE; 4779 goto fail; 4780 } 4781 rx_tid->ba_status = DP_RX_BA_IN_PROGRESS; 4782 4783 rx_tid->dialogtoken = dialogtoken; 4784 rx_tid->startseqnum = startseqnum; 4785 4786 if (rx_tid->userstatuscode != IEEE80211_STATUS_SUCCESS) 4787 rx_tid->statuscode = rx_tid->userstatuscode; 4788 else 4789 rx_tid->statuscode = IEEE80211_STATUS_SUCCESS; 4790 4791 if (rx_tid->rx_ba_win_size_override == DP_RX_BA_SESSION_DISABLE) 4792 rx_tid->statuscode = IEEE80211_STATUS_REFUSED; 4793 4794 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4795 4796 fail: 4797 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 4798 4799 return status; 4800 } 4801 4802 /* 4803 * dp_set_addba_response() – Set a user defined ADDBA response status code 4804 * 4805 * @soc: Datapath soc handle 4806 * @peer_mac: Datapath peer mac address 4807 * @vdev_id: id of atapath vdev 4808 * @tid: TID number 4809 * @statuscode: response status code to be set 4810 */ 4811 QDF_STATUS 4812 dp_set_addba_response(struct cdp_soc_t *cdp_soc, uint8_t *peer_mac, 4813 uint16_t vdev_id, uint8_t tid, uint16_t statuscode) 4814 { 4815 struct dp_peer *peer = dp_peer_get_tgt_peer_hash_find( 4816 (struct dp_soc *)cdp_soc, 4817 peer_mac, 0, vdev_id, 4818 DP_MOD_ID_CDP); 4819 struct dp_rx_tid *rx_tid; 4820 4821 if (!peer) { 4822 dp_peer_debug("%pK: Peer is NULL!\n", cdp_soc); 4823 return QDF_STATUS_E_FAILURE; 4824 } 4825 4826 rx_tid = &peer->rx_tid[tid]; 4827 qdf_spin_lock_bh(&rx_tid->tid_lock); 4828 rx_tid->userstatuscode = statuscode; 4829 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4830 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 4831 4832 return QDF_STATUS_SUCCESS; 4833 } 4834 4835 /* 4836 * dp_rx_delba_process_wifi3() – Process DELBA from peer 4837 * @soc: Datapath soc handle 4838 * @peer_mac: Datapath peer mac address 4839 * @vdev_id: id of atapath vdev 4840 * @tid: TID number 4841 * @reasoncode: Reason code received in DELBA frame 4842 * 4843 * Return: 0 on success, error code on failure 4844 */ 4845 int dp_delba_process_wifi3(struct cdp_soc_t *cdp_soc, uint8_t *peer_mac, 4846 uint16_t vdev_id, int tid, uint16_t reasoncode) 4847 { 4848 QDF_STATUS status = QDF_STATUS_SUCCESS; 4849 struct dp_rx_tid *rx_tid; 4850 struct dp_peer *peer = dp_peer_get_tgt_peer_hash_find( 4851 (struct dp_soc *)cdp_soc, 4852 peer_mac, 0, vdev_id, 4853 DP_MOD_ID_CDP); 4854 4855 if (!peer) { 4856 dp_peer_debug("%pK: Peer is NULL!\n", cdp_soc); 4857 return QDF_STATUS_E_FAILURE; 4858 } 4859 rx_tid = &peer->rx_tid[tid]; 4860 qdf_spin_lock_bh(&rx_tid->tid_lock); 4861 if (rx_tid->ba_status == DP_RX_BA_INACTIVE || 4862 rx_tid->ba_status == DP_RX_BA_IN_PROGRESS) { 4863 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4864 status = QDF_STATUS_E_FAILURE; 4865 goto fail; 4866 } 4867 /* TODO: See if we can delete the existing REO queue descriptor and 4868 * replace with a new one without queue extension descript to save 4869 * memory 4870 */ 4871 rx_tid->delba_rcode = reasoncode; 4872 rx_tid->num_of_delba_req++; 4873 dp_rx_tid_update_wifi3(peer, tid, 1, IEEE80211_SEQ_MAX, false); 4874 4875 rx_tid->ba_status = DP_RX_BA_INACTIVE; 4876 peer->active_ba_session_cnt--; 4877 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4878 fail: 4879 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 4880 4881 return status; 4882 } 4883 4884 /* 4885 * dp_rx_delba_tx_completion_wifi3() – Send Delba Request 4886 * 4887 * @soc: Datapath soc handle 4888 * @peer_mac: Datapath peer mac address 4889 * @vdev_id: id of atapath vdev 4890 * @tid: TID number 4891 * @status: tx completion status 4892 * Return: 0 on success, error code on failure 4893 */ 4894 4895 int dp_delba_tx_completion_wifi3(struct cdp_soc_t *cdp_soc, uint8_t *peer_mac, 4896 uint16_t vdev_id, 4897 uint8_t tid, int status) 4898 { 4899 QDF_STATUS ret = QDF_STATUS_SUCCESS; 4900 struct dp_rx_tid *rx_tid = NULL; 4901 struct dp_peer *peer = dp_peer_get_tgt_peer_hash_find( 4902 (struct dp_soc *)cdp_soc, 4903 peer_mac, 0, vdev_id, 4904 DP_MOD_ID_CDP); 4905 4906 if (!peer) { 4907 dp_peer_debug("%pK: Peer is NULL!", cdp_soc); 4908 return QDF_STATUS_E_FAILURE; 4909 } 4910 rx_tid = &peer->rx_tid[tid]; 4911 qdf_spin_lock_bh(&rx_tid->tid_lock); 4912 if (status) { 4913 rx_tid->delba_tx_fail_cnt++; 4914 if (rx_tid->delba_tx_retry >= DP_MAX_DELBA_RETRY) { 4915 rx_tid->delba_tx_retry = 0; 4916 rx_tid->delba_tx_status = 0; 4917 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4918 } else { 4919 rx_tid->delba_tx_retry++; 4920 rx_tid->delba_tx_status = 1; 4921 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4922 if (peer->vdev->pdev->soc->cdp_soc.ol_ops->send_delba) 4923 peer->vdev->pdev->soc->cdp_soc.ol_ops->send_delba( 4924 peer->vdev->pdev->soc->ctrl_psoc, 4925 peer->vdev->vdev_id, 4926 peer->mac_addr.raw, tid, 4927 rx_tid->delba_rcode, 4928 CDP_DELBA_REASON_NONE); 4929 } 4930 goto end; 4931 } else { 4932 rx_tid->delba_tx_success_cnt++; 4933 rx_tid->delba_tx_retry = 0; 4934 rx_tid->delba_tx_status = 0; 4935 } 4936 if (rx_tid->ba_status == DP_RX_BA_ACTIVE) { 4937 dp_rx_tid_update_wifi3(peer, tid, 1, IEEE80211_SEQ_MAX, false); 4938 rx_tid->ba_status = DP_RX_BA_INACTIVE; 4939 peer->active_ba_session_cnt--; 4940 } 4941 if (rx_tid->ba_status == DP_RX_BA_IN_PROGRESS) { 4942 dp_rx_tid_update_wifi3(peer, tid, 1, IEEE80211_SEQ_MAX, false); 4943 rx_tid->ba_status = DP_RX_BA_INACTIVE; 4944 } 4945 qdf_spin_unlock_bh(&rx_tid->tid_lock); 4946 4947 end: 4948 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 4949 4950 return ret; 4951 } 4952 4953 /** 4954 * dp_set_pn_check_wifi3() - enable PN check in REO for security 4955 * @soc: Datapath soc handle 4956 * @peer_mac: Datapath peer mac address 4957 * @vdev_id: id of atapath vdev 4958 * @vdev: Datapath vdev 4959 * @pdev - data path device instance 4960 * @sec_type - security type 4961 * @rx_pn - Receive pn starting number 4962 * 4963 */ 4964 4965 QDF_STATUS 4966 dp_set_pn_check_wifi3(struct cdp_soc_t *soc, uint8_t vdev_id, 4967 uint8_t *peer_mac, enum cdp_sec_type sec_type, 4968 uint32_t *rx_pn) 4969 { 4970 struct dp_pdev *pdev; 4971 int i; 4972 uint8_t pn_size; 4973 struct hal_reo_cmd_params params; 4974 struct dp_peer *peer = NULL; 4975 struct dp_vdev *vdev = NULL; 4976 4977 peer = dp_peer_find_hash_find((struct dp_soc *)soc, 4978 peer_mac, 0, vdev_id, 4979 DP_MOD_ID_CDP); 4980 4981 if (!peer) { 4982 dp_peer_debug("%pK: Peer is NULL!\n", soc); 4983 return QDF_STATUS_E_FAILURE; 4984 } 4985 4986 vdev = peer->vdev; 4987 4988 if (!vdev) { 4989 dp_peer_debug("%pK: VDEV is NULL!\n", soc); 4990 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 4991 return QDF_STATUS_E_FAILURE; 4992 } 4993 4994 pdev = vdev->pdev; 4995 qdf_mem_zero(¶ms, sizeof(params)); 4996 4997 params.std.need_status = 1; 4998 params.u.upd_queue_params.update_pn_valid = 1; 4999 params.u.upd_queue_params.update_pn_size = 1; 5000 params.u.upd_queue_params.update_pn = 1; 5001 params.u.upd_queue_params.update_pn_check_needed = 1; 5002 params.u.upd_queue_params.update_svld = 1; 5003 params.u.upd_queue_params.svld = 0; 5004 5005 switch (sec_type) { 5006 case cdp_sec_type_tkip_nomic: 5007 case cdp_sec_type_aes_ccmp: 5008 case cdp_sec_type_aes_ccmp_256: 5009 case cdp_sec_type_aes_gcmp: 5010 case cdp_sec_type_aes_gcmp_256: 5011 params.u.upd_queue_params.pn_check_needed = 1; 5012 params.u.upd_queue_params.pn_size = PN_SIZE_48; 5013 pn_size = 48; 5014 break; 5015 case cdp_sec_type_wapi: 5016 params.u.upd_queue_params.pn_check_needed = 1; 5017 params.u.upd_queue_params.pn_size = PN_SIZE_128; 5018 pn_size = 128; 5019 if (vdev->opmode == wlan_op_mode_ap) { 5020 params.u.upd_queue_params.pn_even = 1; 5021 params.u.upd_queue_params.update_pn_even = 1; 5022 } else { 5023 params.u.upd_queue_params.pn_uneven = 1; 5024 params.u.upd_queue_params.update_pn_uneven = 1; 5025 } 5026 break; 5027 default: 5028 params.u.upd_queue_params.pn_check_needed = 0; 5029 pn_size = 0; 5030 break; 5031 } 5032 5033 5034 for (i = 0; i < DP_MAX_TIDS; i++) { 5035 struct dp_rx_tid *rx_tid = &peer->rx_tid[i]; 5036 qdf_spin_lock_bh(&rx_tid->tid_lock); 5037 if (rx_tid->hw_qdesc_vaddr_unaligned) { 5038 params.std.addr_lo = 5039 rx_tid->hw_qdesc_paddr & 0xffffffff; 5040 params.std.addr_hi = 5041 (uint64_t)(rx_tid->hw_qdesc_paddr) >> 32; 5042 5043 if (pn_size) { 5044 dp_peer_info("%pK: PN set for TID:%d pn:%x:%x:%x:%x", 5045 soc, i, rx_pn[3], rx_pn[2], 5046 rx_pn[1], rx_pn[0]); 5047 params.u.upd_queue_params.update_pn_valid = 1; 5048 params.u.upd_queue_params.pn_31_0 = rx_pn[0]; 5049 params.u.upd_queue_params.pn_63_32 = rx_pn[1]; 5050 params.u.upd_queue_params.pn_95_64 = rx_pn[2]; 5051 params.u.upd_queue_params.pn_127_96 = rx_pn[3]; 5052 } 5053 rx_tid->pn_size = pn_size; 5054 if (dp_reo_send_cmd(cdp_soc_t_to_dp_soc(soc), 5055 CMD_UPDATE_RX_REO_QUEUE, 5056 ¶ms, dp_rx_tid_update_cb, 5057 rx_tid)) { 5058 dp_err_log("fail to send CMD_UPDATE_RX_REO_QUEUE" 5059 "tid %d desc %pK", rx_tid->tid, 5060 (void *)(rx_tid->hw_qdesc_paddr)); 5061 DP_STATS_INC(cdp_soc_t_to_dp_soc(soc), 5062 rx.err.reo_cmd_send_fail, 1); 5063 } 5064 } else { 5065 dp_peer_info("%pK: PN Check not setup for TID :%d ", soc, i); 5066 } 5067 qdf_spin_unlock_bh(&rx_tid->tid_lock); 5068 } 5069 5070 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5071 5072 return QDF_STATUS_SUCCESS; 5073 } 5074 5075 5076 /** 5077 * dp_set_key_sec_type_wifi3() - set security mode of key 5078 * @soc: Datapath soc handle 5079 * @peer_mac: Datapath peer mac address 5080 * @vdev_id: id of atapath vdev 5081 * @vdev: Datapath vdev 5082 * @pdev - data path device instance 5083 * @sec_type - security type 5084 * #is_unicast - key type 5085 * 5086 */ 5087 5088 QDF_STATUS 5089 dp_set_key_sec_type_wifi3(struct cdp_soc_t *soc, uint8_t vdev_id, 5090 uint8_t *peer_mac, enum cdp_sec_type sec_type, 5091 bool is_unicast) 5092 { 5093 struct dp_peer *peer = 5094 dp_peer_get_tgt_peer_hash_find((struct dp_soc *)soc, 5095 peer_mac, 0, vdev_id, 5096 DP_MOD_ID_CDP); 5097 int sec_index; 5098 5099 if (!peer) { 5100 dp_peer_debug("%pK: Peer is NULL!\n", soc); 5101 return QDF_STATUS_E_FAILURE; 5102 } 5103 5104 if (!peer->txrx_peer) { 5105 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5106 dp_peer_debug("%pK: txrx peer is NULL!\n", soc); 5107 return QDF_STATUS_E_FAILURE; 5108 } 5109 5110 dp_peer_info("%pK: key sec spec for peer %pK " QDF_MAC_ADDR_FMT ": %s key of type %d", 5111 soc, peer, QDF_MAC_ADDR_REF(peer->mac_addr.raw), 5112 is_unicast ? "ucast" : "mcast", sec_type); 5113 5114 sec_index = is_unicast ? dp_sec_ucast : dp_sec_mcast; 5115 peer->txrx_peer->security[sec_index].sec_type = sec_type; 5116 5117 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5118 5119 return QDF_STATUS_SUCCESS; 5120 } 5121 5122 void 5123 dp_rx_sec_ind_handler(struct dp_soc *soc, uint16_t peer_id, 5124 enum cdp_sec_type sec_type, int is_unicast, 5125 u_int32_t *michael_key, 5126 u_int32_t *rx_pn) 5127 { 5128 struct dp_peer *peer; 5129 struct dp_txrx_peer *txrx_peer; 5130 int sec_index; 5131 5132 peer = dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_HTT); 5133 if (!peer) { 5134 dp_peer_err("Couldn't find peer from ID %d - skipping security inits", 5135 peer_id); 5136 return; 5137 } 5138 txrx_peer = dp_get_txrx_peer(peer); 5139 if (!txrx_peer) { 5140 dp_peer_err("Couldn't find txrx peer from ID %d - skipping security inits", 5141 peer_id); 5142 return; 5143 } 5144 5145 dp_peer_info("%pK: sec spec for peer %pK " QDF_MAC_ADDR_FMT ": %s key of type %d", 5146 soc, peer, QDF_MAC_ADDR_REF(peer->mac_addr.raw), 5147 is_unicast ? "ucast" : "mcast", sec_type); 5148 sec_index = is_unicast ? dp_sec_ucast : dp_sec_mcast; 5149 5150 peer->txrx_peer->security[sec_index].sec_type = sec_type; 5151 #ifdef notyet /* TODO: See if this is required for defrag support */ 5152 /* michael key only valid for TKIP, but for simplicity, 5153 * copy it anyway 5154 */ 5155 qdf_mem_copy( 5156 &peer->txrx_peer->security[sec_index].michael_key[0], 5157 michael_key, 5158 sizeof(peer->txrx_peer->security[sec_index].michael_key)); 5159 #ifdef BIG_ENDIAN_HOST 5160 OL_IF_SWAPBO(peer->txrx_peer->security[sec_index].michael_key[0], 5161 sizeof(peer->txrx_peer->security[sec_index].michael_key)); 5162 #endif /* BIG_ENDIAN_HOST */ 5163 #endif 5164 5165 #ifdef notyet /* TODO: Check if this is required for wifi3.0 */ 5166 if (sec_type != cdp_sec_type_wapi) { 5167 qdf_mem_zero(peer->tids_last_pn_valid, _EXT_TIDS); 5168 } else { 5169 for (i = 0; i < DP_MAX_TIDS; i++) { 5170 /* 5171 * Setting PN valid bit for WAPI sec_type, 5172 * since WAPI PN has to be started with predefined value 5173 */ 5174 peer->tids_last_pn_valid[i] = 1; 5175 qdf_mem_copy( 5176 (u_int8_t *) &peer->tids_last_pn[i], 5177 (u_int8_t *) rx_pn, sizeof(union htt_rx_pn_t)); 5178 peer->tids_last_pn[i].pn128[1] = 5179 qdf_cpu_to_le64(peer->tids_last_pn[i].pn128[1]); 5180 peer->tids_last_pn[i].pn128[0] = 5181 qdf_cpu_to_le64(peer->tids_last_pn[i].pn128[0]); 5182 } 5183 } 5184 #endif 5185 /* TODO: Update HW TID queue with PN check parameters (pn type for 5186 * all security types and last pn for WAPI) once REO command API 5187 * is available 5188 */ 5189 5190 dp_peer_unref_delete(peer, DP_MOD_ID_HTT); 5191 } 5192 5193 #ifdef QCA_PEER_EXT_STATS 5194 /* 5195 * dp_peer_delay_stats_ctx_alloc() - Allocate peer delay 5196 * stats content 5197 * @soc: DP SoC context 5198 * @txrx_peer: DP txrx peer context 5199 * 5200 * Allocate the peer delay stats context 5201 * 5202 * Return: QDF_STATUS_SUCCESS if allocation is 5203 * successful 5204 */ 5205 QDF_STATUS dp_peer_delay_stats_ctx_alloc(struct dp_soc *soc, 5206 struct dp_txrx_peer *txrx_peer) 5207 { 5208 uint8_t tid, ctx_id; 5209 5210 if (!soc || !txrx_peer) { 5211 dp_warn("Null soc%pK or peer%pK", soc, txrx_peer); 5212 return QDF_STATUS_E_INVAL; 5213 } 5214 5215 if (!wlan_cfg_is_peer_ext_stats_enabled(soc->wlan_cfg_ctx)) 5216 return QDF_STATUS_SUCCESS; 5217 5218 /* 5219 * Allocate memory for peer extended stats. 5220 */ 5221 txrx_peer->delay_stats = 5222 qdf_mem_malloc(sizeof(struct dp_peer_delay_stats)); 5223 if (!txrx_peer->delay_stats) { 5224 dp_err("Peer extended stats obj alloc failed!!"); 5225 return QDF_STATUS_E_NOMEM; 5226 } 5227 5228 for (tid = 0; tid < CDP_MAX_DATA_TIDS; tid++) { 5229 for (ctx_id = 0; ctx_id < CDP_MAX_TXRX_CTX; ctx_id++) { 5230 struct cdp_delay_tx_stats *tx_delay = 5231 &txrx_peer->delay_stats->delay_tid_stats[tid][ctx_id].tx_delay; 5232 struct cdp_delay_rx_stats *rx_delay = 5233 &txrx_peer->delay_stats->delay_tid_stats[tid][ctx_id].rx_delay; 5234 5235 dp_hist_init(&tx_delay->tx_swq_delay, 5236 CDP_HIST_TYPE_SW_ENQEUE_DELAY); 5237 dp_hist_init(&tx_delay->hwtx_delay, 5238 CDP_HIST_TYPE_HW_COMP_DELAY); 5239 dp_hist_init(&rx_delay->to_stack_delay, 5240 CDP_HIST_TYPE_REAP_STACK); 5241 } 5242 } 5243 5244 return QDF_STATUS_SUCCESS; 5245 } 5246 5247 /* 5248 * dp_peer_delay_stats_ctx_dealloc() - Dealloc the peer delay stats context 5249 * @txrx_peer: txrx DP peer context 5250 * 5251 * Free the peer delay stats context 5252 * 5253 * Return: Void 5254 */ 5255 void dp_peer_delay_stats_ctx_dealloc(struct dp_soc *soc, 5256 struct dp_txrx_peer *txrx_peer) 5257 { 5258 if (!txrx_peer) { 5259 dp_warn("peer_ext dealloc failed due to NULL peer object"); 5260 return; 5261 } 5262 5263 if (!wlan_cfg_is_peer_ext_stats_enabled(soc->wlan_cfg_ctx)) 5264 return; 5265 5266 if (!txrx_peer->delay_stats) 5267 return; 5268 5269 qdf_mem_free(txrx_peer->delay_stats); 5270 txrx_peer->delay_stats = NULL; 5271 } 5272 5273 /** 5274 * dp_peer_delay_stats_ctx_clr() - Clear delay stats context of peer 5275 * 5276 * @txrx_peer: dp_txrx_peer handle 5277 * 5278 * Return: void 5279 */ 5280 void dp_peer_delay_stats_ctx_clr(struct dp_txrx_peer *txrx_peer) 5281 { 5282 if (txrx_peer->delay_stats) 5283 qdf_mem_zero(txrx_peer->delay_stats, 5284 sizeof(struct dp_peer_delay_stats)); 5285 } 5286 #endif 5287 5288 #ifdef WLAN_PEER_JITTER 5289 /** 5290 * dp_peer_jitter_stats_ctx_alloc() - Allocate jitter stats context for peer 5291 * 5292 * @soc: Datapath pdev handle 5293 * @txrx_peer: dp_txrx_peer handle 5294 * 5295 * Return: QDF_STATUS 5296 */ 5297 QDF_STATUS dp_peer_jitter_stats_ctx_alloc(struct dp_pdev *pdev, 5298 struct dp_txrx_peer *txrx_peer) 5299 { 5300 if (!pdev || !txrx_peer) { 5301 dp_warn("Null pdev or peer"); 5302 return QDF_STATUS_E_INVAL; 5303 } 5304 5305 if (!wlan_cfg_is_peer_jitter_stats_enabled(pdev->soc->wlan_cfg_ctx)) 5306 return QDF_STATUS_SUCCESS; 5307 5308 if (wlan_cfg_get_dp_pdev_nss_enabled(pdev->wlan_cfg_ctx)) { 5309 /* 5310 * Allocate memory on per tid basis when nss is enabled 5311 */ 5312 txrx_peer->jitter_stats = 5313 qdf_mem_malloc(sizeof(struct cdp_peer_tid_stats) 5314 * DP_MAX_TIDS); 5315 } else { 5316 /* 5317 * Allocate memory on per tid per ring basis 5318 */ 5319 txrx_peer->jitter_stats = 5320 qdf_mem_malloc(sizeof(struct cdp_peer_tid_stats) 5321 * DP_MAX_TIDS * CDP_MAX_TXRX_CTX); 5322 } 5323 5324 if (!txrx_peer->jitter_stats) { 5325 dp_warn("Jitter stats obj alloc failed!!"); 5326 return QDF_STATUS_E_NOMEM; 5327 } 5328 5329 return QDF_STATUS_SUCCESS; 5330 } 5331 5332 /** 5333 * dp_peer_jitter_stats_ctx_dealloc() - Deallocate jitter stats context 5334 * 5335 * @pdev: Datapath pdev handle 5336 * @txrx_peer: dp_txrx_peer handle 5337 * 5338 * Return: void 5339 */ 5340 void dp_peer_jitter_stats_ctx_dealloc(struct dp_pdev *pdev, 5341 struct dp_txrx_peer *txrx_peer) 5342 { 5343 if (!pdev || !txrx_peer) { 5344 dp_warn("Null pdev or peer"); 5345 return; 5346 } 5347 5348 if (!wlan_cfg_is_peer_jitter_stats_enabled(pdev->soc->wlan_cfg_ctx)) 5349 return; 5350 5351 if (txrx_peer->jitter_stats) { 5352 qdf_mem_free(txrx_peer->jitter_stats); 5353 txrx_peer->jitter_stats = NULL; 5354 } 5355 } 5356 5357 /** 5358 * dp_peer_jitter_stats_ctx_clr() - Clear jitter stats context of peer 5359 * 5360 * @txrx_peer: dp_txrx_peer handle 5361 * 5362 * Return: void 5363 */ 5364 void dp_peer_jitter_stats_ctx_clr(struct dp_txrx_peer *txrx_peer) 5365 { 5366 struct cdp_peer_tid_stats *jitter_stats = NULL; 5367 5368 if (!txrx_peer) { 5369 dp_warn("Null peer"); 5370 return; 5371 } 5372 5373 if (!wlan_cfg_is_peer_jitter_stats_enabled(txrx_peer-> 5374 vdev-> 5375 pdev->soc->wlan_cfg_ctx)) 5376 return; 5377 5378 jitter_stats = txrx_peer->jitter_stats; 5379 if (!jitter_stats) 5380 return; 5381 5382 if (wlan_cfg_get_dp_pdev_nss_enabled(txrx_peer-> 5383 vdev->pdev->wlan_cfg_ctx)) 5384 qdf_mem_zero(jitter_stats, 5385 sizeof(struct cdp_peer_tid_stats) * 5386 DP_MAX_TIDS); 5387 5388 else 5389 qdf_mem_zero(jitter_stats, 5390 sizeof(struct cdp_peer_tid_stats) * 5391 DP_MAX_TIDS * CDP_MAX_TXRX_CTX); 5392 5393 } 5394 #endif 5395 5396 QDF_STATUS 5397 dp_rx_delba_ind_handler(void *soc_handle, uint16_t peer_id, 5398 uint8_t tid, uint16_t win_sz) 5399 { 5400 struct dp_soc *soc = (struct dp_soc *)soc_handle; 5401 struct dp_peer *peer; 5402 struct dp_rx_tid *rx_tid; 5403 QDF_STATUS status = QDF_STATUS_SUCCESS; 5404 5405 peer = dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_HTT); 5406 5407 if (!peer) { 5408 dp_peer_err("%pK: Couldn't find peer from ID %d", 5409 soc, peer_id); 5410 return QDF_STATUS_E_FAILURE; 5411 } 5412 5413 qdf_assert_always(tid < DP_MAX_TIDS); 5414 5415 rx_tid = &peer->rx_tid[tid]; 5416 5417 if (rx_tid->hw_qdesc_vaddr_unaligned) { 5418 if (!rx_tid->delba_tx_status) { 5419 dp_peer_info("%pK: PEER_ID: %d TID: %d, BA win: %d ", 5420 soc, peer_id, tid, win_sz); 5421 5422 qdf_spin_lock_bh(&rx_tid->tid_lock); 5423 5424 rx_tid->delba_tx_status = 1; 5425 5426 rx_tid->rx_ba_win_size_override = 5427 qdf_min((uint16_t)63, win_sz); 5428 5429 rx_tid->delba_rcode = 5430 IEEE80211_REASON_QOS_SETUP_REQUIRED; 5431 5432 qdf_spin_unlock_bh(&rx_tid->tid_lock); 5433 5434 if (soc->cdp_soc.ol_ops->send_delba) 5435 soc->cdp_soc.ol_ops->send_delba( 5436 peer->vdev->pdev->soc->ctrl_psoc, 5437 peer->vdev->vdev_id, 5438 peer->mac_addr.raw, 5439 tid, 5440 rx_tid->delba_rcode, 5441 CDP_DELBA_REASON_NONE); 5442 } 5443 } else { 5444 dp_peer_err("%pK: BA session is not setup for TID:%d ", soc, tid); 5445 status = QDF_STATUS_E_FAILURE; 5446 } 5447 5448 dp_peer_unref_delete(peer, DP_MOD_ID_HTT); 5449 5450 return status; 5451 } 5452 5453 #ifdef DP_PEER_EXTENDED_API 5454 /** 5455 * dp_peer_set_bw() - Set bandwidth and mpdu retry count threshold for peer 5456 * @soc: DP soc handle 5457 * @txrx_peer: Core txrx_peer handle 5458 * @set_bw: enum of bandwidth to be set for this peer connection 5459 * 5460 * Return: None 5461 */ 5462 static void dp_peer_set_bw(struct dp_soc *soc, struct dp_txrx_peer *txrx_peer, 5463 enum cdp_peer_bw set_bw) 5464 { 5465 if (!txrx_peer) 5466 return; 5467 5468 txrx_peer->bw = set_bw; 5469 5470 switch (set_bw) { 5471 case CDP_160_MHZ: 5472 case CDP_320_MHZ: 5473 txrx_peer->mpdu_retry_threshold = 5474 soc->wlan_cfg_ctx->mpdu_retry_threshold_2; 5475 break; 5476 case CDP_20_MHZ: 5477 case CDP_40_MHZ: 5478 case CDP_80_MHZ: 5479 default: 5480 txrx_peer->mpdu_retry_threshold = 5481 soc->wlan_cfg_ctx->mpdu_retry_threshold_1; 5482 break; 5483 } 5484 5485 dp_info("Peer id: %u: BW: %u, mpdu retry threshold: %u", 5486 txrx_peer->peer_id, txrx_peer->bw, 5487 txrx_peer->mpdu_retry_threshold); 5488 } 5489 5490 #ifdef WLAN_FEATURE_11BE_MLO 5491 QDF_STATUS dp_register_peer(struct cdp_soc_t *soc_hdl, uint8_t pdev_id, 5492 struct ol_txrx_desc_type *sta_desc) 5493 { 5494 struct dp_peer *peer; 5495 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 5496 5497 peer = dp_peer_find_hash_find(soc, sta_desc->peer_addr.bytes, 5498 0, DP_VDEV_ALL, DP_MOD_ID_CDP); 5499 5500 if (!peer) 5501 return QDF_STATUS_E_FAULT; 5502 5503 qdf_spin_lock_bh(&peer->peer_info_lock); 5504 peer->state = OL_TXRX_PEER_STATE_CONN; 5505 qdf_spin_unlock_bh(&peer->peer_info_lock); 5506 5507 dp_peer_set_bw(soc, peer->txrx_peer, sta_desc->bw); 5508 5509 dp_rx_flush_rx_cached(peer, false); 5510 5511 if (IS_MLO_DP_LINK_PEER(peer) && peer->first_link) { 5512 dp_peer_info("register for mld peer" QDF_MAC_ADDR_FMT, 5513 QDF_MAC_ADDR_REF(peer->mld_peer->mac_addr.raw)); 5514 qdf_spin_lock_bh(&peer->mld_peer->peer_info_lock); 5515 peer->mld_peer->state = peer->state; 5516 qdf_spin_unlock_bh(&peer->mld_peer->peer_info_lock); 5517 dp_rx_flush_rx_cached(peer->mld_peer, false); 5518 } 5519 5520 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5521 5522 return QDF_STATUS_SUCCESS; 5523 } 5524 5525 QDF_STATUS dp_peer_state_update(struct cdp_soc_t *soc_hdl, uint8_t *peer_mac, 5526 enum ol_txrx_peer_state state) 5527 { 5528 struct dp_peer *peer; 5529 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 5530 5531 peer = dp_peer_find_hash_find(soc, peer_mac, 0, DP_VDEV_ALL, 5532 DP_MOD_ID_CDP); 5533 if (!peer) { 5534 dp_peer_err("%pK: Failed to find peer[" QDF_MAC_ADDR_FMT "]", 5535 soc, QDF_MAC_ADDR_REF(peer_mac)); 5536 return QDF_STATUS_E_FAILURE; 5537 } 5538 peer->state = state; 5539 peer->authorize = (state == OL_TXRX_PEER_STATE_AUTH) ? 1 : 0; 5540 5541 if (peer->txrx_peer) 5542 peer->txrx_peer->authorize = peer->authorize; 5543 5544 dp_peer_info("peer" QDF_MAC_ADDR_FMT "state %d", 5545 QDF_MAC_ADDR_REF(peer->mac_addr.raw), 5546 peer->state); 5547 5548 if (IS_MLO_DP_LINK_PEER(peer) && peer->first_link) { 5549 peer->mld_peer->state = peer->state; 5550 peer->mld_peer->txrx_peer->authorize = peer->authorize; 5551 dp_peer_info("mld peer" QDF_MAC_ADDR_FMT "state %d", 5552 QDF_MAC_ADDR_REF(peer->mld_peer->mac_addr.raw), 5553 peer->mld_peer->state); 5554 } 5555 5556 /* ref_cnt is incremented inside dp_peer_find_hash_find(). 5557 * Decrement it here. 5558 */ 5559 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5560 5561 return QDF_STATUS_SUCCESS; 5562 } 5563 #else 5564 QDF_STATUS dp_register_peer(struct cdp_soc_t *soc_hdl, uint8_t pdev_id, 5565 struct ol_txrx_desc_type *sta_desc) 5566 { 5567 struct dp_peer *peer; 5568 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 5569 5570 peer = dp_peer_find_hash_find(soc, sta_desc->peer_addr.bytes, 5571 0, DP_VDEV_ALL, DP_MOD_ID_CDP); 5572 5573 if (!peer) 5574 return QDF_STATUS_E_FAULT; 5575 5576 qdf_spin_lock_bh(&peer->peer_info_lock); 5577 peer->state = OL_TXRX_PEER_STATE_CONN; 5578 qdf_spin_unlock_bh(&peer->peer_info_lock); 5579 5580 dp_peer_set_bw(soc, peer->txrx_peer, sta_desc->bw); 5581 5582 dp_rx_flush_rx_cached(peer, false); 5583 5584 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5585 5586 return QDF_STATUS_SUCCESS; 5587 } 5588 5589 QDF_STATUS dp_peer_state_update(struct cdp_soc_t *soc_hdl, uint8_t *peer_mac, 5590 enum ol_txrx_peer_state state) 5591 { 5592 struct dp_peer *peer; 5593 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 5594 5595 peer = dp_peer_find_hash_find(soc, peer_mac, 0, DP_VDEV_ALL, 5596 DP_MOD_ID_CDP); 5597 if (!peer) { 5598 dp_peer_err("%pK: Failed to find peer for: [" QDF_MAC_ADDR_FMT "]", 5599 soc, QDF_MAC_ADDR_REF(peer_mac)); 5600 return QDF_STATUS_E_FAILURE; 5601 } 5602 peer->state = state; 5603 peer->authorize = (state == OL_TXRX_PEER_STATE_AUTH) ? 1 : 0; 5604 5605 if (peer->txrx_peer) 5606 peer->txrx_peer->authorize = peer->authorize; 5607 5608 dp_info("peer %pK state %d", peer, peer->state); 5609 /* ref_cnt is incremented inside dp_peer_find_hash_find(). 5610 * Decrement it here. 5611 */ 5612 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5613 5614 return QDF_STATUS_SUCCESS; 5615 } 5616 #endif 5617 5618 QDF_STATUS 5619 dp_clear_peer(struct cdp_soc_t *soc_hdl, uint8_t pdev_id, 5620 struct qdf_mac_addr peer_addr) 5621 { 5622 struct dp_peer *peer; 5623 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 5624 5625 peer = dp_peer_find_hash_find(soc, peer_addr.bytes, 5626 0, DP_VDEV_ALL, DP_MOD_ID_CDP); 5627 if (!peer || !peer->valid) 5628 return QDF_STATUS_E_FAULT; 5629 5630 dp_clear_peer_internal(soc, peer); 5631 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5632 return QDF_STATUS_SUCCESS; 5633 } 5634 5635 QDF_STATUS dp_get_vdevid(struct cdp_soc_t *soc_hdl, uint8_t *peer_mac, 5636 uint8_t *vdev_id) 5637 { 5638 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 5639 struct dp_peer *peer = 5640 dp_peer_find_hash_find(soc, peer_mac, 0, DP_VDEV_ALL, 5641 DP_MOD_ID_CDP); 5642 5643 if (!peer) 5644 return QDF_STATUS_E_FAILURE; 5645 5646 dp_info("peer %pK vdev %pK vdev id %d", 5647 peer, peer->vdev, peer->vdev->vdev_id); 5648 *vdev_id = peer->vdev->vdev_id; 5649 /* ref_cnt is incremented inside dp_peer_find_hash_find(). 5650 * Decrement it here. 5651 */ 5652 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5653 5654 return QDF_STATUS_SUCCESS; 5655 } 5656 5657 struct cdp_vdev * 5658 dp_get_vdev_by_peer_addr(struct cdp_pdev *pdev_handle, 5659 struct qdf_mac_addr peer_addr) 5660 { 5661 struct dp_pdev *pdev = (struct dp_pdev *)pdev_handle; 5662 struct dp_peer *peer = NULL; 5663 struct cdp_vdev *vdev = NULL; 5664 5665 if (!pdev) { 5666 dp_peer_info("PDEV not found for peer_addr: " QDF_MAC_ADDR_FMT, 5667 QDF_MAC_ADDR_REF(peer_addr.bytes)); 5668 return NULL; 5669 } 5670 5671 peer = dp_peer_find_hash_find(pdev->soc, peer_addr.bytes, 0, 5672 DP_VDEV_ALL, DP_MOD_ID_CDP); 5673 if (!peer) { 5674 QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_INFO_HIGH, 5675 "PDEV not found for peer_addr: "QDF_MAC_ADDR_FMT, 5676 QDF_MAC_ADDR_REF(peer_addr.bytes)); 5677 return NULL; 5678 } 5679 5680 vdev = (struct cdp_vdev *)peer->vdev; 5681 5682 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5683 return vdev; 5684 } 5685 5686 /** 5687 * dp_get_vdev_for_peer() - Get virtual interface instance which peer belongs 5688 * @peer - peer instance 5689 * 5690 * Get virtual interface instance which peer belongs 5691 * 5692 * Return: virtual interface instance pointer 5693 * NULL in case cannot find 5694 */ 5695 struct cdp_vdev *dp_get_vdev_for_peer(void *peer_handle) 5696 { 5697 struct dp_peer *peer = peer_handle; 5698 5699 DP_TRACE(DEBUG, "peer %pK vdev %pK", peer, peer->vdev); 5700 return (struct cdp_vdev *)peer->vdev; 5701 } 5702 5703 /** 5704 * dp_peer_get_peer_mac_addr() - Get peer mac address 5705 * @peer - peer instance 5706 * 5707 * Get peer mac address 5708 * 5709 * Return: peer mac address pointer 5710 * NULL in case cannot find 5711 */ 5712 uint8_t *dp_peer_get_peer_mac_addr(void *peer_handle) 5713 { 5714 struct dp_peer *peer = peer_handle; 5715 uint8_t *mac; 5716 5717 mac = peer->mac_addr.raw; 5718 dp_info("peer %pK mac 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x", 5719 peer, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); 5720 return peer->mac_addr.raw; 5721 } 5722 5723 int dp_get_peer_state(struct cdp_soc_t *soc_hdl, uint8_t vdev_id, 5724 uint8_t *peer_mac) 5725 { 5726 enum ol_txrx_peer_state peer_state; 5727 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 5728 struct cdp_peer_info peer_info = { 0 }; 5729 struct dp_peer *peer; 5730 struct dp_peer *tgt_peer; 5731 5732 DP_PEER_INFO_PARAMS_INIT(&peer_info, vdev_id, peer_mac, 5733 false, CDP_WILD_PEER_TYPE); 5734 5735 peer = dp_peer_hash_find_wrapper(soc, &peer_info, DP_MOD_ID_CDP); 5736 5737 if (!peer) 5738 return OL_TXRX_PEER_STATE_INVALID; 5739 5740 DP_TRACE(DEBUG, "peer %pK stats %d", peer, peer->state); 5741 5742 tgt_peer = dp_get_tgt_peer_from_peer(peer); 5743 peer_state = tgt_peer->state; 5744 5745 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5746 5747 return peer_state; 5748 } 5749 5750 /** 5751 * dp_local_peer_id_pool_init() - local peer id pool alloc for physical device 5752 * @pdev - data path device instance 5753 * 5754 * local peer id pool alloc for physical device 5755 * 5756 * Return: none 5757 */ 5758 void dp_local_peer_id_pool_init(struct dp_pdev *pdev) 5759 { 5760 int i; 5761 5762 /* point the freelist to the first ID */ 5763 pdev->local_peer_ids.freelist = 0; 5764 5765 /* link each ID to the next one */ 5766 for (i = 0; i < OL_TXRX_NUM_LOCAL_PEER_IDS; i++) { 5767 pdev->local_peer_ids.pool[i] = i + 1; 5768 pdev->local_peer_ids.map[i] = NULL; 5769 } 5770 5771 /* link the last ID to itself, to mark the end of the list */ 5772 i = OL_TXRX_NUM_LOCAL_PEER_IDS; 5773 pdev->local_peer_ids.pool[i] = i; 5774 5775 qdf_spinlock_create(&pdev->local_peer_ids.lock); 5776 DP_TRACE(INFO, "Peer pool init"); 5777 } 5778 5779 /** 5780 * dp_local_peer_id_alloc() - allocate local peer id 5781 * @pdev - data path device instance 5782 * @peer - new peer instance 5783 * 5784 * allocate local peer id 5785 * 5786 * Return: none 5787 */ 5788 void dp_local_peer_id_alloc(struct dp_pdev *pdev, struct dp_peer *peer) 5789 { 5790 int i; 5791 5792 qdf_spin_lock_bh(&pdev->local_peer_ids.lock); 5793 i = pdev->local_peer_ids.freelist; 5794 if (pdev->local_peer_ids.pool[i] == i) { 5795 /* the list is empty, except for the list-end marker */ 5796 peer->local_id = OL_TXRX_INVALID_LOCAL_PEER_ID; 5797 } else { 5798 /* take the head ID and advance the freelist */ 5799 peer->local_id = i; 5800 pdev->local_peer_ids.freelist = pdev->local_peer_ids.pool[i]; 5801 pdev->local_peer_ids.map[i] = peer; 5802 } 5803 qdf_spin_unlock_bh(&pdev->local_peer_ids.lock); 5804 dp_info("peer %pK, local id %d", peer, peer->local_id); 5805 } 5806 5807 /** 5808 * dp_local_peer_id_free() - remove local peer id 5809 * @pdev - data path device instance 5810 * @peer - peer instance should be removed 5811 * 5812 * remove local peer id 5813 * 5814 * Return: none 5815 */ 5816 void dp_local_peer_id_free(struct dp_pdev *pdev, struct dp_peer *peer) 5817 { 5818 int i = peer->local_id; 5819 if ((i == OL_TXRX_INVALID_LOCAL_PEER_ID) || 5820 (i >= OL_TXRX_NUM_LOCAL_PEER_IDS)) { 5821 return; 5822 } 5823 5824 /* put this ID on the head of the freelist */ 5825 qdf_spin_lock_bh(&pdev->local_peer_ids.lock); 5826 pdev->local_peer_ids.pool[i] = pdev->local_peer_ids.freelist; 5827 pdev->local_peer_ids.freelist = i; 5828 pdev->local_peer_ids.map[i] = NULL; 5829 qdf_spin_unlock_bh(&pdev->local_peer_ids.lock); 5830 } 5831 5832 bool dp_find_peer_exist_on_vdev(struct cdp_soc_t *soc_hdl, 5833 uint8_t vdev_id, uint8_t *peer_addr) 5834 { 5835 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 5836 struct dp_peer *peer = NULL; 5837 5838 peer = dp_peer_find_hash_find(soc, peer_addr, 0, vdev_id, 5839 DP_MOD_ID_CDP); 5840 if (!peer) 5841 return false; 5842 5843 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5844 5845 return true; 5846 } 5847 5848 bool dp_find_peer_exist_on_other_vdev(struct cdp_soc_t *soc_hdl, 5849 uint8_t vdev_id, uint8_t *peer_addr, 5850 uint16_t max_bssid) 5851 { 5852 int i; 5853 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 5854 struct dp_peer *peer = NULL; 5855 5856 for (i = 0; i < max_bssid; i++) { 5857 /* Need to check vdevs other than the vdev_id */ 5858 if (vdev_id == i) 5859 continue; 5860 peer = dp_peer_find_hash_find(soc, peer_addr, 0, i, 5861 DP_MOD_ID_CDP); 5862 if (peer) { 5863 dp_err("Duplicate peer "QDF_MAC_ADDR_FMT" already exist on vdev %d", 5864 QDF_MAC_ADDR_REF(peer_addr), i); 5865 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5866 return true; 5867 } 5868 } 5869 5870 return false; 5871 } 5872 5873 void dp_set_peer_as_tdls_peer(struct cdp_soc_t *soc_hdl, uint8_t vdev_id, 5874 uint8_t *peer_mac, bool val) 5875 { 5876 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 5877 struct dp_peer *peer = NULL; 5878 5879 peer = dp_peer_find_hash_find(soc, peer_mac, 0, vdev_id, 5880 DP_MOD_ID_CDP); 5881 if (!peer) { 5882 dp_err("Failed to find peer for:" QDF_MAC_ADDR_FMT, 5883 QDF_MAC_ADDR_REF(peer_mac)); 5884 return; 5885 } 5886 5887 dp_info("Set tdls flag %d for peer:" QDF_MAC_ADDR_FMT, 5888 val, QDF_MAC_ADDR_REF(peer_mac)); 5889 peer->is_tdls_peer = val; 5890 5891 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5892 } 5893 #endif 5894 5895 bool dp_find_peer_exist(struct cdp_soc_t *soc_hdl, uint8_t pdev_id, 5896 uint8_t *peer_addr) 5897 { 5898 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 5899 struct dp_peer *peer = NULL; 5900 5901 peer = dp_peer_find_hash_find(soc, peer_addr, 0, DP_VDEV_ALL, 5902 DP_MOD_ID_CDP); 5903 if (peer) { 5904 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 5905 return true; 5906 } 5907 5908 return false; 5909 } 5910 5911 #ifdef IPA_OFFLOAD 5912 int dp_peer_get_rxtid_stats_ipa(struct dp_peer *peer, 5913 dp_rxtid_stats_cmd_cb dp_stats_cmd_cb) 5914 { 5915 struct dp_soc *soc = peer->vdev->pdev->soc; 5916 struct hal_reo_cmd_params params; 5917 int i; 5918 int stats_cmd_sent_cnt = 0; 5919 QDF_STATUS status; 5920 uint16_t peer_id = peer->peer_id; 5921 unsigned long comb_peer_id_tid; 5922 struct dp_rx_tid *rx_tid; 5923 5924 if (!dp_stats_cmd_cb) 5925 return stats_cmd_sent_cnt; 5926 5927 qdf_mem_zero(¶ms, sizeof(params)); 5928 for (i = 0; i < DP_MAX_TIDS; i++) { 5929 if ((i >= CDP_DATA_TID_MAX) && (i != CDP_DATA_NON_QOS_TID)) 5930 continue; 5931 5932 rx_tid = &peer->rx_tid[i]; 5933 if (rx_tid->hw_qdesc_vaddr_unaligned) { 5934 params.std.need_status = 1; 5935 params.std.addr_lo = 5936 rx_tid->hw_qdesc_paddr & 0xffffffff; 5937 params.std.addr_hi = 5938 (uint64_t)(rx_tid->hw_qdesc_paddr) >> 32; 5939 params.u.stats_params.clear = 1; 5940 comb_peer_id_tid = ((i << DP_PEER_REO_STATS_TID_SHIFT) 5941 | peer_id); 5942 status = dp_reo_send_cmd(soc, CMD_GET_QUEUE_STATS, 5943 ¶ms, dp_stats_cmd_cb, 5944 (void *)comb_peer_id_tid); 5945 if (QDF_IS_STATUS_SUCCESS(status)) 5946 stats_cmd_sent_cnt++; 5947 5948 /* Flush REO descriptor from HW cache to update stats 5949 * in descriptor memory. This is to help debugging 5950 */ 5951 qdf_mem_zero(¶ms, sizeof(params)); 5952 params.std.need_status = 0; 5953 params.std.addr_lo = 5954 rx_tid->hw_qdesc_paddr & 0xffffffff; 5955 params.std.addr_hi = 5956 (uint64_t)(rx_tid->hw_qdesc_paddr) >> 32; 5957 params.u.fl_cache_params.flush_no_inval = 1; 5958 dp_reo_send_cmd(soc, CMD_FLUSH_CACHE, ¶ms, NULL, 5959 NULL); 5960 } 5961 } 5962 5963 return stats_cmd_sent_cnt; 5964 } 5965 5966 qdf_export_symbol(dp_peer_get_rxtid_stats_ipa); 5967 5968 #endif 5969 /** 5970 * dp_peer_rxtid_stats: Retried Rx TID (REO queue) stats from HW 5971 * @peer: DP peer handle 5972 * @dp_stats_cmd_cb: REO command callback function 5973 * @cb_ctxt: Callback context 5974 * 5975 * Return: count of tid stats cmd send succeeded 5976 */ 5977 int dp_peer_rxtid_stats(struct dp_peer *peer, 5978 dp_rxtid_stats_cmd_cb dp_stats_cmd_cb, 5979 void *cb_ctxt) 5980 { 5981 struct dp_soc *soc = peer->vdev->pdev->soc; 5982 struct hal_reo_cmd_params params; 5983 int i; 5984 int stats_cmd_sent_cnt = 0; 5985 QDF_STATUS status; 5986 struct dp_rx_tid *rx_tid; 5987 5988 if (!dp_stats_cmd_cb) 5989 return stats_cmd_sent_cnt; 5990 5991 qdf_mem_zero(¶ms, sizeof(params)); 5992 for (i = 0; i < DP_MAX_TIDS; i++) { 5993 if ((i >= CDP_DATA_TID_MAX) && (i != CDP_DATA_NON_QOS_TID)) 5994 continue; 5995 5996 rx_tid = &peer->rx_tid[i]; 5997 if (rx_tid->hw_qdesc_vaddr_unaligned) { 5998 params.std.need_status = 1; 5999 params.std.addr_lo = 6000 rx_tid->hw_qdesc_paddr & 0xffffffff; 6001 params.std.addr_hi = 6002 (uint64_t)(rx_tid->hw_qdesc_paddr) >> 32; 6003 6004 if (cb_ctxt) { 6005 status = dp_reo_send_cmd( 6006 soc, CMD_GET_QUEUE_STATS, 6007 ¶ms, dp_stats_cmd_cb, 6008 cb_ctxt); 6009 } else { 6010 status = dp_reo_send_cmd( 6011 soc, CMD_GET_QUEUE_STATS, 6012 ¶ms, dp_stats_cmd_cb, 6013 rx_tid); 6014 } 6015 6016 if (QDF_IS_STATUS_SUCCESS(status)) 6017 stats_cmd_sent_cnt++; 6018 6019 6020 /* Flush REO descriptor from HW cache to update stats 6021 * in descriptor memory. This is to help debugging 6022 */ 6023 qdf_mem_zero(¶ms, sizeof(params)); 6024 params.std.need_status = 0; 6025 params.std.addr_lo = 6026 rx_tid->hw_qdesc_paddr & 0xffffffff; 6027 params.std.addr_hi = 6028 (uint64_t)(rx_tid->hw_qdesc_paddr) >> 32; 6029 params.u.fl_cache_params.flush_no_inval = 1; 6030 dp_reo_send_cmd(soc, CMD_FLUSH_CACHE, ¶ms, NULL, 6031 NULL); 6032 } 6033 } 6034 6035 return stats_cmd_sent_cnt; 6036 } 6037 6038 QDF_STATUS 6039 dp_set_michael_key(struct cdp_soc_t *soc, 6040 uint8_t vdev_id, 6041 uint8_t *peer_mac, 6042 bool is_unicast, uint32_t *key) 6043 { 6044 uint8_t sec_index = is_unicast ? 1 : 0; 6045 struct dp_peer *peer = 6046 dp_peer_get_tgt_peer_hash_find((struct dp_soc *)soc, 6047 peer_mac, 0, vdev_id, 6048 DP_MOD_ID_CDP); 6049 6050 if (!peer) { 6051 dp_peer_err("%pK: peer not found ", soc); 6052 return QDF_STATUS_E_FAILURE; 6053 } 6054 6055 qdf_mem_copy(&peer->txrx_peer->security[sec_index].michael_key[0], 6056 key, IEEE80211_WEP_MICLEN); 6057 6058 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 6059 6060 return QDF_STATUS_SUCCESS; 6061 } 6062 6063 6064 /** 6065 * dp_vdev_bss_peer_ref_n_get: Get bss peer of a vdev 6066 * @soc: DP soc 6067 * @vdev: vdev 6068 * @mod_id: id of module requesting reference 6069 * 6070 * Return: VDEV BSS peer 6071 */ 6072 struct dp_peer *dp_vdev_bss_peer_ref_n_get(struct dp_soc *soc, 6073 struct dp_vdev *vdev, 6074 enum dp_mod_id mod_id) 6075 { 6076 struct dp_peer *peer = NULL; 6077 6078 qdf_spin_lock_bh(&vdev->peer_list_lock); 6079 TAILQ_FOREACH(peer, &vdev->peer_list, peer_list_elem) { 6080 if (peer->bss_peer) 6081 break; 6082 } 6083 6084 if (!peer) { 6085 qdf_spin_unlock_bh(&vdev->peer_list_lock); 6086 return NULL; 6087 } 6088 6089 if (dp_peer_get_ref(soc, peer, mod_id) == QDF_STATUS_SUCCESS) { 6090 qdf_spin_unlock_bh(&vdev->peer_list_lock); 6091 return peer; 6092 } 6093 6094 qdf_spin_unlock_bh(&vdev->peer_list_lock); 6095 return peer; 6096 } 6097 6098 /** 6099 * dp_sta_vdev_self_peer_ref_n_get: Get self peer of sta vdev 6100 * @soc: DP soc 6101 * @vdev: vdev 6102 * @mod_id: id of module requesting reference 6103 * 6104 * Return: VDEV self peer 6105 */ 6106 struct dp_peer *dp_sta_vdev_self_peer_ref_n_get(struct dp_soc *soc, 6107 struct dp_vdev *vdev, 6108 enum dp_mod_id mod_id) 6109 { 6110 struct dp_peer *peer; 6111 6112 if (vdev->opmode != wlan_op_mode_sta) 6113 return NULL; 6114 6115 qdf_spin_lock_bh(&vdev->peer_list_lock); 6116 TAILQ_FOREACH(peer, &vdev->peer_list, peer_list_elem) { 6117 if (peer->sta_self_peer) 6118 break; 6119 } 6120 6121 if (!peer) { 6122 qdf_spin_unlock_bh(&vdev->peer_list_lock); 6123 return NULL; 6124 } 6125 6126 if (dp_peer_get_ref(soc, peer, mod_id) == QDF_STATUS_SUCCESS) { 6127 qdf_spin_unlock_bh(&vdev->peer_list_lock); 6128 return peer; 6129 } 6130 6131 qdf_spin_unlock_bh(&vdev->peer_list_lock); 6132 return peer; 6133 } 6134 6135 #ifdef DUMP_REO_QUEUE_INFO_IN_DDR 6136 void dp_dump_rx_reo_queue_info( 6137 struct dp_soc *soc, void *cb_ctxt, union hal_reo_status *reo_status) 6138 { 6139 struct dp_rx_tid *rx_tid = (struct dp_rx_tid *)cb_ctxt; 6140 6141 if (!rx_tid) 6142 return; 6143 6144 if (reo_status->fl_cache_status.header.status != 6145 HAL_REO_CMD_SUCCESS) { 6146 dp_err_rl("Rx tid REO HW desc flush failed(%d)", 6147 reo_status->rx_queue_status.header.status); 6148 return; 6149 } 6150 qdf_spin_lock_bh(&rx_tid->tid_lock); 6151 hal_dump_rx_reo_queue_desc(rx_tid->hw_qdesc_vaddr_aligned); 6152 qdf_spin_unlock_bh(&rx_tid->tid_lock); 6153 } 6154 6155 void dp_send_cache_flush_for_rx_tid( 6156 struct dp_soc *soc, struct dp_peer *peer) 6157 { 6158 int i; 6159 struct dp_rx_tid *rx_tid; 6160 struct hal_reo_cmd_params params; 6161 6162 if (!peer) { 6163 dp_err_rl("Peer is NULL"); 6164 return; 6165 } 6166 6167 for (i = 0; i < DP_MAX_TIDS; i++) { 6168 rx_tid = &peer->rx_tid[i]; 6169 if (!rx_tid) 6170 continue; 6171 qdf_spin_lock_bh(&rx_tid->tid_lock); 6172 if (rx_tid->hw_qdesc_vaddr_aligned) { 6173 qdf_mem_zero(¶ms, sizeof(params)); 6174 params.std.need_status = 1; 6175 params.std.addr_lo = 6176 rx_tid->hw_qdesc_paddr & 0xffffffff; 6177 params.std.addr_hi = 6178 (uint64_t)(rx_tid->hw_qdesc_paddr) >> 32; 6179 params.u.fl_cache_params.flush_no_inval = 0; 6180 if (QDF_STATUS_SUCCESS != 6181 dp_reo_send_cmd( 6182 soc, CMD_FLUSH_CACHE, 6183 ¶ms, dp_dump_rx_reo_queue_info, 6184 (void *)rx_tid)) { 6185 dp_err_rl("cache flush send failed tid %d", 6186 rx_tid->tid); 6187 qdf_spin_unlock_bh(&rx_tid->tid_lock); 6188 break; 6189 } 6190 } 6191 qdf_spin_unlock_bh(&rx_tid->tid_lock); 6192 } 6193 } 6194 6195 void dp_get_rx_reo_queue_info( 6196 struct cdp_soc_t *soc_hdl, uint8_t vdev_id) 6197 { 6198 struct dp_soc *soc = (struct dp_soc *)soc_hdl; 6199 struct dp_vdev *vdev = dp_vdev_get_ref_by_id(soc, vdev_id, 6200 DP_MOD_ID_GENERIC_STATS); 6201 struct dp_peer *peer = NULL; 6202 6203 if (!vdev) { 6204 dp_err_rl("vdev is null for vdev_id: %u", vdev_id); 6205 goto failed; 6206 } 6207 6208 peer = dp_vdev_bss_peer_ref_n_get(soc, vdev, DP_MOD_ID_GENERIC_STATS); 6209 6210 if (!peer) { 6211 dp_err_rl("Peer is NULL"); 6212 goto failed; 6213 } 6214 dp_send_cache_flush_for_rx_tid(soc, peer); 6215 failed: 6216 if (peer) 6217 dp_peer_unref_delete(peer, DP_MOD_ID_GENERIC_STATS); 6218 if (vdev) 6219 dp_vdev_unref_delete(soc, vdev, DP_MOD_ID_GENERIC_STATS); 6220 } 6221 #endif /* DUMP_REO_QUEUE_INFO_IN_DDR */ 6222 6223 void dp_peer_flush_frags(struct cdp_soc_t *soc_hdl, uint8_t vdev_id, 6224 uint8_t *peer_mac) 6225 { 6226 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 6227 struct dp_peer *peer = dp_peer_get_tgt_peer_hash_find(soc, peer_mac, 0, 6228 vdev_id, 6229 DP_MOD_ID_CDP); 6230 struct dp_txrx_peer *txrx_peer; 6231 uint8_t tid; 6232 struct dp_rx_tid_defrag *defrag_rx_tid; 6233 6234 if (!peer) 6235 return; 6236 6237 if (!peer->txrx_peer) 6238 goto fail; 6239 6240 dp_info("Flushing fragments for peer " QDF_MAC_ADDR_FMT, 6241 QDF_MAC_ADDR_REF(peer->mac_addr.raw)); 6242 6243 txrx_peer = peer->txrx_peer; 6244 6245 for (tid = 0; tid < DP_MAX_TIDS; tid++) { 6246 defrag_rx_tid = &txrx_peer->rx_tid[tid]; 6247 6248 qdf_spin_lock_bh(&defrag_rx_tid->defrag_tid_lock); 6249 dp_rx_defrag_waitlist_remove(txrx_peer, tid); 6250 dp_rx_reorder_flush_frag(txrx_peer, tid); 6251 qdf_spin_unlock_bh(&defrag_rx_tid->defrag_tid_lock); 6252 } 6253 fail: 6254 dp_peer_unref_delete(peer, DP_MOD_ID_CDP); 6255 } 6256 6257 /* 6258 * dp_peer_find_by_id_valid - check if peer exists for given id 6259 * @soc: core DP soc context 6260 * @peer_id: peer id from peer object can be retrieved 6261 * 6262 * Return: true if peer exists of false otherwise 6263 */ 6264 bool dp_peer_find_by_id_valid(struct dp_soc *soc, uint16_t peer_id) 6265 { 6266 struct dp_peer *peer = dp_peer_get_ref_by_id(soc, peer_id, 6267 DP_MOD_ID_HTT); 6268 6269 if (peer) { 6270 /* 6271 * Decrement the peer ref which is taken as part of 6272 * dp_peer_get_ref_by_id if PEER_LOCK_REF_PROTECT is enabled 6273 */ 6274 dp_peer_unref_delete(peer, DP_MOD_ID_HTT); 6275 6276 return true; 6277 } 6278 6279 return false; 6280 } 6281 6282 qdf_export_symbol(dp_peer_find_by_id_valid); 6283