1 /* 2 * Copyright (c) 2016-2021 The Linux Foundation. All rights reserved. 3 * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for 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 #include "htt.h" 20 #include "dp_peer.h" 21 #include "hal_rx.h" 22 #include "hal_api.h" 23 #include "qdf_nbuf.h" 24 #include "dp_types.h" 25 #include "dp_internal.h" 26 #include "dp_tx.h" 27 #include "enet.h" 28 #ifdef WIFI_MONITOR_SUPPORT 29 #include "dp_mon.h" 30 #endif 31 #include "dp_txrx_wds.h" 32 33 /* Generic AST entry aging timer value */ 34 #define DP_AST_AGING_TIMER_DEFAULT_MS 5000 35 #define DP_VLAN_UNTAGGED 0 36 #define DP_VLAN_TAGGED_MULTICAST 1 37 #define DP_VLAN_TAGGED_UNICAST 2 38 #define DP_MAX_VLAN_IDS 4096 39 #define DP_INVALID_AST_IDX 0xffff 40 #define DP_INVALID_FLOW_PRIORITY 0xff 41 #define DP_PEER_AST0_FLOW_MASK 0x4 42 #define DP_PEER_AST1_FLOW_MASK 0x8 43 #define DP_PEER_AST2_FLOW_MASK 0x1 44 #define DP_PEER_AST3_FLOW_MASK 0x2 45 #define DP_MAX_AST_INDEX_PER_PEER 4 46 47 #ifdef WLAN_FEATURE_MULTI_AST_DEL 48 49 void dp_peer_free_peer_ase_list(struct dp_soc *soc, 50 struct peer_del_multi_wds_entries *wds_list) 51 { 52 struct peer_wds_entry_list *wds_entry, *tmp_entry; 53 54 TAILQ_FOREACH_SAFE(wds_entry, &wds_list->ase_list, 55 ase_list_elem, tmp_entry) { 56 dp_peer_debug("type: %d mac_addr: " QDF_MAC_ADDR_FMT, 57 wds_entry->type, 58 QDF_MAC_ADDR_REF(wds_entry->dest_addr)); 59 TAILQ_REMOVE(&wds_list->ase_list, wds_entry, ase_list_elem); 60 wds_list->num_entries--; 61 qdf_mem_free(wds_entry); 62 } 63 } 64 65 static void 66 dp_pdev_build_peer_ase_list(struct dp_soc *soc, struct dp_peer *peer, 67 void *arg) 68 { 69 struct dp_ast_entry *ase, *temp_ase; 70 struct peer_del_multi_wds_entries *list = arg; 71 struct peer_wds_entry_list *wds_entry; 72 73 if (!soc || !peer || !arg) { 74 dp_peer_err("Invalid input"); 75 return; 76 } 77 78 list->vdev_id = peer->vdev->vdev_id; 79 DP_PEER_ITERATE_ASE_LIST(peer, ase, temp_ase) { 80 if (ase->type != CDP_TXRX_AST_TYPE_WDS && 81 ase->type != CDP_TXRX_AST_TYPE_DA) 82 continue; 83 84 if (ase->is_active) { 85 ase->is_active = false; 86 continue; 87 } 88 89 if (ase->delete_in_progress) { 90 dp_info_rl("Del set addr:" QDF_MAC_ADDR_FMT " type:%d", 91 QDF_MAC_ADDR_REF(ase->mac_addr.raw), 92 ase->type); 93 continue; 94 } 95 96 if (ase->is_mapped) 97 soc->ast_table[ase->ast_idx] = NULL; 98 99 if (!ase->next_hop) { 100 dp_peer_unlink_ast_entry(soc, ase, peer); 101 continue; 102 } 103 104 wds_entry = (struct peer_wds_entry_list *) 105 qdf_mem_malloc(sizeof(*wds_entry)); 106 if (!wds_entry) { 107 dp_peer_err("%pK: fail to allocate wds_entry", soc); 108 dp_peer_free_peer_ase_list(soc, list); 109 return; 110 } 111 112 DP_STATS_INC(soc, ast.aged_out, 1); 113 ase->delete_in_progress = true; 114 wds_entry->dest_addr = ase->mac_addr.raw; 115 wds_entry->type = ase->type; 116 117 if (dp_peer_state_cmp(peer, DP_PEER_STATE_LOGICAL_DELETE)) 118 wds_entry->delete_in_fw = false; 119 else 120 wds_entry->delete_in_fw = true; 121 122 dp_peer_debug("ase->type: %d pdev: %u vdev: %u mac_addr: " QDF_MAC_ADDR_FMT " next_hop: %u peer: %u", 123 ase->type, ase->pdev_id, ase->vdev_id, 124 QDF_MAC_ADDR_REF(ase->mac_addr.raw), 125 ase->next_hop, ase->peer_id); 126 TAILQ_INSERT_TAIL(&list->ase_list, wds_entry, ase_list_elem); 127 list->num_entries++; 128 } 129 dp_peer_info("Total num of entries :%d", list->num_entries); 130 } 131 132 static void 133 dp_peer_age_multi_ast_entries(struct dp_soc *soc, void *arg, 134 enum dp_mod_id mod_id) 135 { 136 uint8_t i; 137 struct dp_pdev *pdev = NULL; 138 struct peer_del_multi_wds_entries wds_list = {0}; 139 140 TAILQ_INIT(&wds_list.ase_list); 141 for (i = 0; i < MAX_PDEV_CNT && soc->pdev_list[i]; i++) { 142 pdev = soc->pdev_list[i]; 143 dp_pdev_iterate_peer(pdev, dp_pdev_build_peer_ase_list, 144 &wds_list, mod_id); 145 if (wds_list.num_entries > 0) { 146 dp_peer_ast_send_multi_wds_del(soc, wds_list.vdev_id, 147 &wds_list); 148 dp_peer_free_peer_ase_list(soc, &wds_list); 149 } else { 150 dp_peer_debug("No AST entries for pdev:%u", 151 pdev->pdev_id); 152 } 153 } 154 } 155 #endif /* WLAN_FEATURE_MULTI_AST_DEL */ 156 157 static void 158 dp_peer_age_ast_entries(struct dp_soc *soc, struct dp_peer *peer, void *arg) 159 { 160 struct dp_ast_entry *ase, *temp_ase; 161 struct ast_del_ctxt *del_ctxt = (struct ast_del_ctxt *)arg; 162 163 if ((del_ctxt->del_count >= soc->max_ast_ageout_count) && 164 !del_ctxt->age) { 165 return; 166 } 167 168 DP_PEER_ITERATE_ASE_LIST(peer, ase, temp_ase) { 169 /* 170 * Do not expire static ast entries and HM WDS entries 171 */ 172 if (ase->type != CDP_TXRX_AST_TYPE_WDS && 173 ase->type != CDP_TXRX_AST_TYPE_DA) 174 continue; 175 176 if (ase->is_active) { 177 if (del_ctxt->age) 178 ase->is_active = FALSE; 179 180 continue; 181 } 182 183 if (del_ctxt->del_count < soc->max_ast_ageout_count) { 184 DP_STATS_INC(soc, ast.aged_out, 1); 185 dp_peer_del_ast(soc, ase); 186 del_ctxt->del_count++; 187 } else { 188 soc->pending_ageout = true; 189 if (!del_ctxt->age) 190 break; 191 } 192 } 193 } 194 195 static void 196 dp_peer_age_mec_entries(struct dp_soc *soc) 197 { 198 uint32_t index; 199 struct dp_mec_entry *mecentry, *mecentry_next; 200 201 TAILQ_HEAD(, dp_mec_entry) free_list; 202 TAILQ_INIT(&free_list); 203 204 for (index = 0; index <= soc->mec_hash.mask; index++) { 205 qdf_spin_lock_bh(&soc->mec_lock); 206 /* 207 * Expire MEC entry every n sec. 208 */ 209 if (!TAILQ_EMPTY(&soc->mec_hash.bins[index])) { 210 TAILQ_FOREACH_SAFE(mecentry, &soc->mec_hash.bins[index], 211 hash_list_elem, mecentry_next) { 212 if (mecentry->is_active) { 213 mecentry->is_active = FALSE; 214 continue; 215 } 216 dp_peer_mec_detach_entry(soc, mecentry, 217 &free_list); 218 } 219 } 220 qdf_spin_unlock_bh(&soc->mec_lock); 221 } 222 223 dp_peer_mec_free_list(soc, &free_list); 224 } 225 226 #ifdef WLAN_FEATURE_MULTI_AST_DEL 227 static void dp_ast_aging_timer_fn(void *soc_hdl) 228 { 229 struct dp_soc *soc = (struct dp_soc *)soc_hdl; 230 struct ast_del_ctxt del_ctxt = {0}; 231 232 if (soc->wds_ast_aging_timer_cnt++ >= DP_WDS_AST_AGING_TIMER_CNT) { 233 del_ctxt.age = true; 234 soc->wds_ast_aging_timer_cnt = 0; 235 } 236 237 if (soc->pending_ageout || del_ctxt.age) { 238 soc->pending_ageout = false; 239 240 /* AST list access lock */ 241 qdf_spin_lock_bh(&soc->ast_lock); 242 243 if (soc->multi_peer_grp_cmd_supported) 244 dp_peer_age_multi_ast_entries(soc, NULL, DP_MOD_ID_AST); 245 else 246 dp_soc_iterate_peer(soc, dp_peer_age_ast_entries, 247 &del_ctxt, DP_MOD_ID_AST); 248 qdf_spin_unlock_bh(&soc->ast_lock); 249 } 250 251 /* 252 * If NSS offload is enabled, the MEC timeout 253 * will be managed by NSS. 254 */ 255 if (qdf_atomic_read(&soc->mec_cnt) && 256 !wlan_cfg_get_dp_soc_nss_cfg(soc->wlan_cfg_ctx)) 257 dp_peer_age_mec_entries(soc); 258 259 if (qdf_atomic_read(&soc->cmn_init_done)) 260 qdf_timer_mod(&soc->ast_aging_timer, 261 DP_AST_AGING_TIMER_DEFAULT_MS); 262 } 263 #else 264 static void dp_ast_aging_timer_fn(void *soc_hdl) 265 { 266 struct dp_soc *soc = (struct dp_soc *)soc_hdl; 267 struct ast_del_ctxt del_ctxt = {0}; 268 269 if (soc->wds_ast_aging_timer_cnt++ >= DP_WDS_AST_AGING_TIMER_CNT) { 270 del_ctxt.age = true; 271 soc->wds_ast_aging_timer_cnt = 0; 272 } 273 274 if (soc->pending_ageout || del_ctxt.age) { 275 soc->pending_ageout = false; 276 277 /* AST list access lock */ 278 qdf_spin_lock_bh(&soc->ast_lock); 279 dp_soc_iterate_peer(soc, dp_peer_age_ast_entries, 280 &del_ctxt, DP_MOD_ID_AST); 281 qdf_spin_unlock_bh(&soc->ast_lock); 282 } 283 284 /* 285 * If NSS offload is enabled, the MEC timeout 286 * will be managed by NSS. 287 */ 288 if (qdf_atomic_read(&soc->mec_cnt) && 289 !wlan_cfg_get_dp_soc_nss_cfg(soc->wlan_cfg_ctx)) 290 dp_peer_age_mec_entries(soc); 291 292 if (qdf_atomic_read(&soc->cmn_init_done)) 293 qdf_timer_mod(&soc->ast_aging_timer, 294 DP_AST_AGING_TIMER_DEFAULT_MS); 295 } 296 #endif /* WLAN_FEATURE_MULTI_AST_DEL */ 297 298 /* 299 * dp_soc_wds_attach() - Setup WDS timer and AST table 300 * @soc: Datapath SOC handle 301 * 302 * Return: None 303 */ 304 void dp_soc_wds_attach(struct dp_soc *soc) 305 { 306 if (soc->ast_offload_support) 307 return; 308 309 soc->wds_ast_aging_timer_cnt = 0; 310 soc->pending_ageout = false; 311 qdf_timer_init(soc->osdev, &soc->ast_aging_timer, 312 dp_ast_aging_timer_fn, (void *)soc, 313 QDF_TIMER_TYPE_WAKE_APPS); 314 315 qdf_timer_mod(&soc->ast_aging_timer, DP_AST_AGING_TIMER_DEFAULT_MS); 316 } 317 318 /* 319 * dp_soc_wds_detach() - Detach WDS data structures and timers 320 * @txrx_soc: DP SOC handle 321 * 322 * Return: None 323 */ 324 void dp_soc_wds_detach(struct dp_soc *soc) 325 { 326 qdf_timer_stop(&soc->ast_aging_timer); 327 qdf_timer_free(&soc->ast_aging_timer); 328 } 329 330 /** 331 * dp_tx_mec_handler() - Tx MEC Notify Handler 332 * @vdev: pointer to dp dev handler 333 * @status : Tx completion status from HTT descriptor 334 * 335 * Handles MEC notify event sent from fw to Host 336 * 337 * Return: none 338 */ 339 void dp_tx_mec_handler(struct dp_vdev *vdev, uint8_t *status) 340 { 341 struct dp_soc *soc; 342 QDF_STATUS add_mec_status; 343 uint8_t mac_addr[QDF_MAC_ADDR_SIZE], i; 344 345 if (!vdev->mec_enabled) 346 return; 347 348 /* MEC required only in STA mode */ 349 if (vdev->opmode != wlan_op_mode_sta) 350 return; 351 352 soc = vdev->pdev->soc; 353 354 for (i = 0; i < QDF_MAC_ADDR_SIZE; i++) 355 mac_addr[(QDF_MAC_ADDR_SIZE - 1) - i] = 356 status[(QDF_MAC_ADDR_SIZE - 2) + i]; 357 358 dp_peer_debug("%pK: MEC add for mac_addr "QDF_MAC_ADDR_FMT, 359 soc, QDF_MAC_ADDR_REF(mac_addr)); 360 361 if (qdf_mem_cmp(mac_addr, vdev->mac_addr.raw, QDF_MAC_ADDR_SIZE)) { 362 add_mec_status = dp_peer_mec_add_entry(soc, vdev, mac_addr); 363 dp_peer_debug("%pK: MEC add status %d", vdev, add_mec_status); 364 } 365 } 366 367 #ifndef QCA_HOST_MODE_WIFI_DISABLED 368 369 /** 370 * dp_rx_da_learn() - Add AST entry based on DA lookup 371 * This is a WAR for HK 1.0 and will 372 * be removed in HK 2.0 373 * 374 * @soc: core txrx main context 375 * @rx_tlv_hdr : start address of rx tlvs 376 * @ta_txrx_peer: Transmitter peer entry 377 * @nbuf : nbuf to retrieve destination mac for which AST will be added 378 * 379 */ 380 void 381 dp_rx_da_learn(struct dp_soc *soc, 382 uint8_t *rx_tlv_hdr, 383 struct dp_txrx_peer *ta_txrx_peer, 384 qdf_nbuf_t nbuf) 385 { 386 struct dp_peer *base_peer; 387 /* For HKv2 DA port learing is not needed */ 388 if (qdf_likely(soc->ast_override_support)) 389 return; 390 391 if (qdf_unlikely(!ta_txrx_peer)) 392 return; 393 394 if (qdf_unlikely(ta_txrx_peer->vdev->opmode != wlan_op_mode_ap)) 395 return; 396 397 if (!soc->da_war_enabled) 398 return; 399 400 if (qdf_unlikely(!qdf_nbuf_is_da_valid(nbuf) && 401 !qdf_nbuf_is_da_mcbc(nbuf))) { 402 base_peer = dp_peer_get_ref_by_id(soc, ta_txrx_peer->peer_id, 403 DP_MOD_ID_AST); 404 405 if (base_peer) { 406 dp_peer_add_ast(soc, 407 base_peer, 408 qdf_nbuf_data(nbuf), 409 CDP_TXRX_AST_TYPE_DA, 410 DP_AST_FLAGS_HM); 411 412 dp_peer_unref_delete(base_peer, DP_MOD_ID_AST); 413 } 414 } 415 } 416 417 /** 418 * dp_txrx_set_wds_rx_policy() - API to store datapath 419 * config parameters 420 * @soc - datapath soc handle 421 * @vdev_id - id of datapath vdev handle 422 * @cfg: ini parameter handle 423 * 424 * Return: status 425 */ 426 #ifdef WDS_VENDOR_EXTENSION 427 QDF_STATUS 428 dp_txrx_set_wds_rx_policy(struct cdp_soc_t *soc_hdl, uint8_t vdev_id, 429 u_int32_t val) 430 { 431 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 432 struct dp_peer *peer; 433 struct dp_vdev *vdev = dp_vdev_get_ref_by_id(soc, vdev_id, 434 DP_MOD_ID_MISC); 435 if (!vdev) { 436 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 437 FL("vdev is NULL for vdev_id %d"), vdev_id); 438 return QDF_STATUS_E_INVAL; 439 } 440 441 peer = dp_vdev_bss_peer_ref_n_get(vdev, DP_MOD_ID_AST); 442 443 if (peer) { 444 peer->txrx_peer->wds_ecm.wds_rx_filter = 1; 445 peer->txrx_peer->wds_ecm.wds_rx_ucast_4addr = 446 (val & WDS_POLICY_RX_UCAST_4ADDR) ? 1 : 0; 447 peer->txrx_peer->wds_ecm.wds_rx_mcast_4addr = 448 (val & WDS_POLICY_RX_MCAST_4ADDR) ? 1 : 0; 449 dp_peer_unref_delete(peer, DP_MOD_ID_AST); 450 } 451 452 dp_vdev_unref_delete(soc, vdev, DP_MOD_ID_MISC); 453 return QDF_STATUS_SUCCESS; 454 } 455 456 /** 457 * dp_txrx_peer_wds_tx_policy_update() - API to set tx wds policy 458 * 459 * @cdp_soc: DP soc handle 460 * @vdev_id: id of vdev handle 461 * @peer_mac: peer mac address 462 * @wds_tx_ucast: policy for unicast transmission 463 * @wds_tx_mcast: policy for multicast transmission 464 * 465 * Return: void 466 */ 467 QDF_STATUS 468 dp_txrx_peer_wds_tx_policy_update(struct cdp_soc_t *soc, uint8_t vdev_id, 469 uint8_t *peer_mac, int wds_tx_ucast, 470 int wds_tx_mcast) 471 { 472 struct dp_peer *peer = 473 dp_peer_get_tgt_peer_hash_find((struct dp_soc *)soc, 474 peer_mac, 0, 475 vdev_id, 476 DP_MOD_ID_AST); 477 if (!peer) { 478 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 479 FL("peer is NULL for mac %pM vdev_id %d"), 480 peer_mac, vdev_id); 481 return QDF_STATUS_E_INVAL; 482 } 483 484 if (!peer->txrx_peer) { 485 dp_peer_unref_delete(peer, DP_MOD_ID_AST); 486 return QDF_STATUS_E_INVAL; 487 } 488 489 if (wds_tx_ucast || wds_tx_mcast) { 490 peer->txrx_peer->wds_enabled = 1; 491 peer->txrx_peer->wds_ecm.wds_tx_ucast_4addr = wds_tx_ucast; 492 peer->txrx_peer->wds_ecm.wds_tx_mcast_4addr = wds_tx_mcast; 493 } else { 494 peer->txrx_peer->wds_enabled = 0; 495 peer->txrx_peer->wds_ecm.wds_tx_ucast_4addr = 0; 496 peer->txrx_peer->wds_ecm.wds_tx_mcast_4addr = 0; 497 } 498 499 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO, 500 "Policy Update set to :\n"); 501 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO, 502 "peer->wds_enabled %d\n", peer->wds_enabled); 503 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO, 504 "peer->wds_ecm.wds_tx_ucast_4addr %d\n", 505 peer->txrx_peer->wds_ecm.wds_tx_ucast_4addr); 506 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO, 507 "peer->wds_ecm.wds_tx_mcast_4addr %d\n", 508 peer->txrx_peer->wds_ecm.wds_tx_mcast_4addr); 509 510 dp_peer_unref_delete(peer, DP_MOD_ID_AST); 511 return QDF_STATUS_SUCCESS; 512 } 513 514 int dp_wds_rx_policy_check(uint8_t *rx_tlv_hdr, 515 struct dp_vdev *vdev, 516 struct dp_txrx_peer *txrx_peer) 517 { 518 struct dp_peer *bss_peer; 519 int fr_ds, to_ds, rx_3addr, rx_4addr; 520 int rx_policy_ucast, rx_policy_mcast; 521 hal_soc_handle_t hal_soc = vdev->pdev->soc->hal_soc; 522 int rx_mcast = hal_rx_msdu_end_da_is_mcbc_get(hal_soc, rx_tlv_hdr); 523 524 if (vdev->opmode == wlan_op_mode_ap) { 525 bss_peer = dp_vdev_bss_peer_ref_n_get(vdev, DP_MOD_ID_AST); 526 /* if wds policy check is not enabled on this vdev, accept all frames */ 527 if (bss_peer && !bss_peer->txrx_peer->wds_ecm.wds_rx_filter) { 528 dp_peer_unref_delete(bss_peer, DP_MOD_ID_AST); 529 return 1; 530 } 531 rx_policy_ucast = bss_peer->txrx_peerwds_ecm.wds_rx_ucast_4addr; 532 rx_policy_mcast = bss_peer->txrx_peerwds_ecm.wds_rx_mcast_4addr; 533 dp_peer_unref_delete(bss_peer, DP_MOD_ID_AST); 534 } else { /* sta mode */ 535 if (!txrx_peer->wds_ecm.wds_rx_filter) 536 return 1; 537 538 rx_policy_ucast = txrx_peer->wds_ecm.wds_rx_ucast_4addr; 539 rx_policy_mcast = txrx_peer->wds_ecm.wds_rx_mcast_4addr; 540 } 541 542 /* ------------------------------------------------ 543 * self 544 * peer- rx rx- 545 * wds ucast mcast dir policy accept note 546 * ------------------------------------------------ 547 * 1 1 0 11 x1 1 AP configured to accept ds-to-ds Rx ucast from wds peers, constraint met; so, accept 548 * 1 1 0 01 x1 0 AP configured to accept ds-to-ds Rx ucast from wds peers, constraint not met; so, drop 549 * 1 1 0 10 x1 0 AP configured to accept ds-to-ds Rx ucast from wds peers, constraint not met; so, drop 550 * 1 1 0 00 x1 0 bad frame, won't see it 551 * 1 0 1 11 1x 1 AP configured to accept ds-to-ds Rx mcast from wds peers, constraint met; so, accept 552 * 1 0 1 01 1x 0 AP configured to accept ds-to-ds Rx mcast from wds peers, constraint not met; so, drop 553 * 1 0 1 10 1x 0 AP configured to accept ds-to-ds Rx mcast from wds peers, constraint not met; so, drop 554 * 1 0 1 00 1x 0 bad frame, won't see it 555 * 1 1 0 11 x0 0 AP configured to accept from-ds Rx ucast from wds peers, constraint not met; so, drop 556 * 1 1 0 01 x0 0 AP configured to accept from-ds Rx ucast from wds peers, constraint not met; so, drop 557 * 1 1 0 10 x0 1 AP configured to accept from-ds Rx ucast from wds peers, constraint met; so, accept 558 * 1 1 0 00 x0 0 bad frame, won't see it 559 * 1 0 1 11 0x 0 AP configured to accept from-ds Rx mcast from wds peers, constraint not met; so, drop 560 * 1 0 1 01 0x 0 AP configured to accept from-ds Rx mcast from wds peers, constraint not met; so, drop 561 * 1 0 1 10 0x 1 AP configured to accept from-ds Rx mcast from wds peers, constraint met; so, accept 562 * 1 0 1 00 0x 0 bad frame, won't see it 563 * 564 * 0 x x 11 xx 0 we only accept td-ds Rx frames from non-wds peers in mode. 565 * 0 x x 01 xx 1 566 * 0 x x 10 xx 0 567 * 0 x x 00 xx 0 bad frame, won't see it 568 * ------------------------------------------------ 569 */ 570 571 fr_ds = hal_rx_mpdu_get_fr_ds(hal_soc, rx_tlv_hdr); 572 to_ds = hal_rx_mpdu_get_to_ds(hal_soc, rx_tlv_hdr); 573 rx_3addr = fr_ds ^ to_ds; 574 rx_4addr = fr_ds & to_ds; 575 576 if (vdev->opmode == wlan_op_mode_ap) { 577 if ((!txrx_peer->wds_enabled && rx_3addr && to_ds) || 578 (txrx_peer->wds_enabled && !rx_mcast && 579 (rx_4addr == rx_policy_ucast)) || 580 (txrx_peer->wds_enabled && rx_mcast && 581 (rx_4addr == rx_policy_mcast))) { 582 return 1; 583 } 584 } else { /* sta mode */ 585 if ((!rx_mcast && (rx_4addr == rx_policy_ucast)) || 586 (rx_mcast && (rx_4addr == rx_policy_mcast))) { 587 return 1; 588 } 589 } 590 return 0; 591 } 592 #endif 593 594 /** 595 * dp_tx_add_groupkey_metadata - Add group key in metadata 596 * @vdev: DP vdev handle 597 * @msdu_info: MSDU info to be setup in MSDU descriptor 598 * @group_key: Group key index programmed in metadata 599 * 600 * Return: void 601 */ 602 #ifdef QCA_MULTIPASS_SUPPORT 603 static 604 void dp_tx_add_groupkey_metadata(struct dp_vdev *vdev, 605 struct dp_tx_msdu_info_s *msdu_info, uint16_t group_key) 606 { 607 struct htt_tx_msdu_desc_ext2_t *meta_data = 608 (struct htt_tx_msdu_desc_ext2_t *)&msdu_info->meta_data[0]; 609 610 qdf_mem_zero(meta_data, sizeof(struct htt_tx_msdu_desc_ext2_t)); 611 612 /* 613 * When attempting to send a multicast packet with multi-passphrase, 614 * host shall add HTT EXT meta data "struct htt_tx_msdu_desc_ext2_t" 615 * ref htt.h indicating the group_id field in "key_flags" also having 616 * "valid_key_flags" as 1. Assign “key_flags = group_key_ix”. 617 */ 618 HTT_TX_MSDU_EXT2_DESC_FLAG_VALID_KEY_FLAGS_SET(msdu_info->meta_data[0], 1); 619 HTT_TX_MSDU_EXT2_DESC_KEY_FLAGS_SET(msdu_info->meta_data[2], group_key); 620 } 621 622 /** 623 * dp_tx_remove_vlan_tag - Remove 4 bytes of vlan tag 624 * @vdev: DP vdev handle 625 * @tx_desc: Tx Descriptor Handle 626 * 627 * Return: void 628 */ 629 static 630 void dp_tx_remove_vlan_tag(struct dp_vdev *vdev, qdf_nbuf_t nbuf) 631 { 632 struct vlan_ethhdr veth_hdr; 633 struct vlan_ethhdr *veh = (struct vlan_ethhdr *)nbuf->data; 634 635 /* 636 * Extract VLAN header of 4 bytes: 637 * Frame Format : {dst_addr[6], src_addr[6], 802.1Q header[4], EtherType[2], Payload} 638 * Before Removal : xx xx xx xx xx xx xx xx xx xx xx xx 81 00 00 02 08 00 45 00 00... 639 * After Removal : xx xx xx xx xx xx xx xx xx xx xx xx 08 00 45 00 00... 640 */ 641 qdf_mem_copy(&veth_hdr, veh, sizeof(veth_hdr)); 642 qdf_nbuf_pull_head(nbuf, ETHERTYPE_VLAN_LEN); 643 veh = (struct vlan_ethhdr *)nbuf->data; 644 qdf_mem_copy(veh, &veth_hdr, 2 * QDF_MAC_ADDR_SIZE); 645 return; 646 } 647 648 /** 649 * dp_tx_need_multipass_process - If frame needs multipass phrase processing 650 * @vdev: DP vdev handle 651 * @tx_desc: Tx Descriptor Handle 652 * @vlan_id: vlan id of frame 653 * 654 * Return: whether peer is special or classic 655 */ 656 static 657 uint8_t dp_tx_need_multipass_process(struct dp_soc *soc, struct dp_vdev *vdev, 658 qdf_nbuf_t buf, uint16_t *vlan_id) 659 { 660 struct dp_txrx_peer *txrx_peer = NULL; 661 struct dp_peer *peer = NULL; 662 qdf_ether_header_t *eh = (qdf_ether_header_t *)qdf_nbuf_data(buf); 663 struct vlan_ethhdr *veh = NULL; 664 bool not_vlan = ((vdev->tx_encap_type == htt_cmn_pkt_type_raw) || 665 (htons(eh->ether_type) != ETH_P_8021Q)); 666 667 if (qdf_unlikely(not_vlan)) 668 return DP_VLAN_UNTAGGED; 669 670 veh = (struct vlan_ethhdr *)eh; 671 *vlan_id = (ntohs(veh->h_vlan_TCI) & VLAN_VID_MASK); 672 673 if (qdf_unlikely(DP_FRAME_IS_MULTICAST((eh)->ether_dhost))) { 674 qdf_spin_lock_bh(&vdev->mpass_peer_mutex); 675 TAILQ_FOREACH(txrx_peer, &vdev->mpass_peer_list, 676 mpass_peer_list_elem) { 677 if (*vlan_id == txrx_peer->vlan_id) { 678 qdf_spin_unlock_bh(&vdev->mpass_peer_mutex); 679 return DP_VLAN_TAGGED_MULTICAST; 680 } 681 } 682 qdf_spin_unlock_bh(&vdev->mpass_peer_mutex); 683 return DP_VLAN_UNTAGGED; 684 } 685 686 peer = dp_peer_find_hash_find(soc, eh->ether_dhost, 0, DP_VDEV_ALL, 687 DP_MOD_ID_TX_MULTIPASS); 688 689 if (qdf_unlikely(peer == NULL)) 690 return DP_VLAN_UNTAGGED; 691 692 /* 693 * Do not drop the frame when vlan_id doesn't match. 694 * Send the frame as it is. 695 */ 696 if (*vlan_id == peer->txrx_peer->vlan_id) { 697 dp_peer_unref_delete(peer, DP_MOD_ID_TX_MULTIPASS); 698 return DP_VLAN_TAGGED_UNICAST; 699 } 700 701 dp_peer_unref_delete(peer, DP_MOD_ID_TX_MULTIPASS); 702 return DP_VLAN_UNTAGGED; 703 } 704 705 /** 706 * dp_tx_multipass_process - Process vlan frames in tx path 707 * @soc: dp soc handle 708 * @vdev: DP vdev handle 709 * @nbuf: skb 710 * @msdu_info: msdu descriptor 711 * 712 * Return: status whether frame needs to be dropped or transmitted 713 */ 714 bool dp_tx_multipass_process(struct dp_soc *soc, struct dp_vdev *vdev, 715 qdf_nbuf_t nbuf, 716 struct dp_tx_msdu_info_s *msdu_info) 717 { 718 uint16_t vlan_id = 0; 719 uint16_t group_key = 0; 720 uint8_t is_spcl_peer = DP_VLAN_UNTAGGED; 721 qdf_nbuf_t nbuf_copy = NULL; 722 723 if (HTT_TX_MSDU_EXT2_DESC_FLAG_VALID_KEY_FLAGS_GET(msdu_info->meta_data[0])) { 724 return true; 725 } 726 727 is_spcl_peer = dp_tx_need_multipass_process(soc, vdev, nbuf, &vlan_id); 728 729 if ((is_spcl_peer != DP_VLAN_TAGGED_MULTICAST) && 730 (is_spcl_peer != DP_VLAN_TAGGED_UNICAST)) 731 return true; 732 733 if (is_spcl_peer == DP_VLAN_TAGGED_UNICAST) { 734 dp_tx_remove_vlan_tag(vdev, nbuf); 735 return true; 736 } 737 738 /* AP can have classic clients, special clients & 739 * classic repeaters. 740 * 1. Classic clients & special client: 741 * Remove vlan header, find corresponding group key 742 * index, fill in metaheader and enqueue multicast 743 * frame to TCL. 744 * 2. Classic repeater: 745 * Pass through to classic repeater with vlan tag 746 * intact without any group key index. Hardware 747 * will know which key to use to send frame to 748 * repeater. 749 */ 750 nbuf_copy = qdf_nbuf_copy(nbuf); 751 752 /* 753 * Send multicast frame to special peers even 754 * if pass through to classic repeater fails. 755 */ 756 if (nbuf_copy) { 757 struct dp_tx_msdu_info_s msdu_info_copy; 758 qdf_mem_zero(&msdu_info_copy, sizeof(msdu_info_copy)); 759 msdu_info_copy.tid = HTT_TX_EXT_TID_INVALID; 760 HTT_TX_MSDU_EXT2_DESC_FLAG_VALID_KEY_FLAGS_SET(msdu_info_copy.meta_data[0], 1); 761 nbuf_copy = dp_tx_send_msdu_single(vdev, nbuf_copy, &msdu_info_copy, HTT_INVALID_PEER, NULL); 762 if (nbuf_copy) { 763 qdf_nbuf_free(nbuf_copy); 764 qdf_err("nbuf_copy send failed"); 765 } 766 } 767 768 group_key = vdev->iv_vlan_map[vlan_id]; 769 770 /* 771 * If group key is not installed, drop the frame. 772 */ 773 if (!group_key) 774 return false; 775 776 dp_tx_remove_vlan_tag(vdev, nbuf); 777 dp_tx_add_groupkey_metadata(vdev, msdu_info, group_key); 778 msdu_info->exception_fw = 1; 779 return true; 780 } 781 782 /** 783 * dp_rx_multipass_process - insert vlan tag on frames for traffic separation 784 * @txrx_peer: DP txrx peer handle 785 * @nbuf: skb 786 * @tid: traffic priority 787 * 788 * Return: bool: true in case of success else false 789 * Success is considered if: 790 * i. If frame has vlan header 791 * ii. If the frame comes from different peer and dont need multipass processing 792 * Failure is considered if: 793 * i. Frame comes from multipass peer but doesn't contain vlan header. 794 * In failure case, drop such frames. 795 */ 796 bool dp_rx_multipass_process(struct dp_txrx_peer *txrx_peer, qdf_nbuf_t nbuf, 797 uint8_t tid) 798 { 799 struct vlan_ethhdr *vethhdrp; 800 801 if (qdf_unlikely(!txrx_peer->vlan_id)) 802 return true; 803 804 vethhdrp = (struct vlan_ethhdr *)qdf_nbuf_data(nbuf); 805 /* 806 * h_vlan_proto & h_vlan_TCI should be 0x8100 & zero respectively 807 * as it is expected to be padded by 0 808 * return false if frame doesn't have above tag so that caller will 809 * drop the frame. 810 */ 811 if (qdf_unlikely(vethhdrp->h_vlan_proto != htons(QDF_ETH_TYPE_8021Q)) || 812 qdf_unlikely(vethhdrp->h_vlan_TCI != 0)) 813 return false; 814 815 vethhdrp->h_vlan_TCI = htons(((tid & 0x7) << VLAN_PRIO_SHIFT) | 816 (txrx_peer->vlan_id & VLAN_VID_MASK)); 817 818 if (vethhdrp->h_vlan_encapsulated_proto == htons(ETHERTYPE_PAE)) 819 dp_tx_remove_vlan_tag(txrx_peer->vdev, nbuf); 820 821 return true; 822 } 823 824 #endif /* QCA_MULTIPASS_SUPPORT */ 825 826 #endif /* QCA_HOST_MODE_WIFI_DISABLED */ 827 828 #ifdef QCA_MULTIPASS_SUPPORT 829 830 /** 831 * dp_peer_multipass_list_remove: remove peer from list 832 * @peer: pointer to peer 833 * 834 * return: void 835 */ 836 void dp_peer_multipass_list_remove(struct dp_peer *peer) 837 { 838 struct dp_vdev *vdev = peer->vdev; 839 struct dp_txrx_peer *tpeer = NULL; 840 bool found = 0; 841 842 qdf_spin_lock_bh(&vdev->mpass_peer_mutex); 843 TAILQ_FOREACH(tpeer, &vdev->mpass_peer_list, mpass_peer_list_elem) { 844 if (tpeer == peer->txrx_peer) { 845 found = 1; 846 TAILQ_REMOVE(&vdev->mpass_peer_list, peer->txrx_peer, 847 mpass_peer_list_elem); 848 break; 849 } 850 } 851 852 qdf_spin_unlock_bh(&vdev->mpass_peer_mutex); 853 854 if (found) 855 dp_peer_unref_delete(peer, DP_MOD_ID_TX_MULTIPASS); 856 } 857 858 /** 859 * dp_peer_multipass_list_add: add to new multipass list 860 * @dp_soc: soc handle 861 * @peer_mac: mac address 862 * @vdev_id: vdev id for peer 863 * @vlan_id: vlan_id 864 * 865 * return: void 866 */ 867 static void dp_peer_multipass_list_add(struct dp_soc *soc, uint8_t *peer_mac, 868 uint8_t vdev_id, uint16_t vlan_id) 869 { 870 struct dp_peer *peer = 871 dp_peer_get_tgt_peer_hash_find(soc, peer_mac, 0, 872 vdev_id, 873 DP_MOD_ID_TX_MULTIPASS); 874 875 if (qdf_unlikely(!peer)) { 876 qdf_err("NULL peer"); 877 return; 878 } 879 880 if (qdf_unlikely(!peer->txrx_peer)) 881 goto fail; 882 883 /* If peer already exists in vdev multipass list, do not add it. 884 * This may happen if key install comes twice or re-key 885 * happens for a peer. 886 */ 887 if (peer->txrx_peer->vlan_id) { 888 dp_debug("peer already added to vdev multipass list" 889 "MAC: "QDF_MAC_ADDR_FMT" vlan: %d ", 890 QDF_MAC_ADDR_REF(peer->mac_addr.raw), 891 peer->txrx_peer->vlan_id); 892 goto fail; 893 } 894 895 /* 896 * Ref_cnt is incremented inside dp_peer_find_hash_find(). 897 * Decrement it when element is deleted from the list. 898 */ 899 peer->txrx_peer->vlan_id = vlan_id; 900 qdf_spin_lock_bh(&peer->txrx_peer->vdev->mpass_peer_mutex); 901 TAILQ_INSERT_HEAD(&peer->txrx_peer->vdev->mpass_peer_list, 902 peer->txrx_peer, 903 mpass_peer_list_elem); 904 qdf_spin_unlock_bh(&peer->txrx_peer->vdev->mpass_peer_mutex); 905 return; 906 907 fail: 908 dp_peer_unref_delete(peer, DP_MOD_ID_TX_MULTIPASS); 909 return; 910 } 911 912 /** 913 * dp_peer_set_vlan_id: set vlan_id for this peer 914 * @cdp_soc: soc handle 915 * @vdev_id: vdev id for peer 916 * @peer_mac: mac address 917 * @vlan_id: vlan id for peer 918 * 919 * return: void 920 */ 921 void dp_peer_set_vlan_id(struct cdp_soc_t *cdp_soc, 922 uint8_t vdev_id, uint8_t *peer_mac, 923 uint16_t vlan_id) 924 { 925 struct dp_soc *soc = (struct dp_soc *)cdp_soc; 926 struct dp_vdev *vdev = 927 dp_vdev_get_ref_by_id((struct dp_soc *)soc, vdev_id, 928 DP_MOD_ID_TX_MULTIPASS); 929 930 if (vdev && vdev->multipass_en) { 931 dp_peer_multipass_list_add(soc, peer_mac, vdev_id, vlan_id); 932 dp_vdev_unref_delete(soc, vdev, DP_MOD_ID_TX_MULTIPASS); 933 } 934 } 935 936 /** 937 * dp_set_vlan_groupkey: set vlan map for vdev 938 * @soc: pointer to soc 939 * @vdev_id : id of vdev 940 * @vlan_id: vlan_id 941 * @group_key: group key for vlan 942 * 943 * return: set success/failure 944 */ 945 QDF_STATUS dp_set_vlan_groupkey(struct cdp_soc_t *soc_hdl, uint8_t vdev_id, 946 uint16_t vlan_id, uint16_t group_key) 947 { 948 struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl); 949 struct dp_vdev *vdev = dp_vdev_get_ref_by_id(soc, vdev_id, 950 DP_MOD_ID_TX_MULTIPASS); 951 QDF_STATUS status; 952 953 if (!vdev || !vdev->multipass_en) { 954 status = QDF_STATUS_E_INVAL; 955 goto fail; 956 } 957 958 if (!vdev->iv_vlan_map) { 959 uint16_t vlan_map_size = (sizeof(uint16_t))*DP_MAX_VLAN_IDS; 960 vdev->iv_vlan_map = (uint16_t *)qdf_mem_malloc(vlan_map_size); 961 962 if (!vdev->iv_vlan_map) { 963 QDF_TRACE_ERROR(QDF_MODULE_ID_DP, "iv_vlan_map"); 964 status = QDF_STATUS_E_NOMEM; 965 goto fail; 966 } 967 968 /* 969 * 0 is invalid group key. 970 * Initilalize array with invalid group keys. 971 */ 972 qdf_mem_zero(vdev->iv_vlan_map, vlan_map_size); 973 } 974 975 if (vlan_id >= DP_MAX_VLAN_IDS) { 976 status = QDF_STATUS_E_INVAL; 977 goto fail; 978 } 979 980 vdev->iv_vlan_map[vlan_id] = group_key; 981 status = QDF_STATUS_SUCCESS; 982 fail: 983 if (vdev) 984 dp_vdev_unref_delete(soc, vdev, DP_MOD_ID_TX_MULTIPASS); 985 return status; 986 } 987 988 /** 989 * dp_tx_vdev_multipass_deinit: set vlan map for vdev 990 * @vdev_handle: pointer to vdev 991 * 992 * return: void 993 */ 994 void dp_tx_vdev_multipass_deinit(struct dp_vdev *vdev) 995 { 996 struct dp_txrx_peer *txrx_peer = NULL; 997 qdf_spin_lock_bh(&vdev->mpass_peer_mutex); 998 TAILQ_FOREACH(txrx_peer, &vdev->mpass_peer_list, mpass_peer_list_elem) 999 qdf_err("Peers present in mpass list : %d", txrx_peer->peer_id); 1000 qdf_spin_unlock_bh(&vdev->mpass_peer_mutex); 1001 1002 if (vdev->iv_vlan_map) { 1003 qdf_mem_free(vdev->iv_vlan_map); 1004 vdev->iv_vlan_map = NULL; 1005 } 1006 1007 qdf_spinlock_destroy(&vdev->mpass_peer_mutex); 1008 } 1009 1010 /** 1011 * dp_peer_multipass_list_init: initialize peer mulitpass list 1012 * @vdev_handle: pointer to vdev 1013 * 1014 * return: set success/failure 1015 */ 1016 void dp_peer_multipass_list_init(struct dp_vdev *vdev) 1017 { 1018 /* 1019 * vdev->iv_vlan_map is allocated when the first configuration command 1020 * is issued to avoid unnecessary allocation for regular mode VAP. 1021 */ 1022 TAILQ_INIT(&vdev->mpass_peer_list); 1023 qdf_spinlock_create(&vdev->mpass_peer_mutex); 1024 } 1025 #endif /* QCA_MULTIPASS_SUPPORT */ 1026 1027 #ifdef QCA_PEER_MULTIQ_SUPPORT 1028 1029 /** 1030 * dp_peer_reset_flowq_map() - reset peer flowq map table 1031 * @peer - dp peer handle 1032 * 1033 * Return: none 1034 */ 1035 void dp_peer_reset_flowq_map(struct dp_peer *peer) 1036 { 1037 int i = 0; 1038 1039 if (!peer) 1040 return; 1041 1042 for (i = 0; i < DP_PEER_AST_FLOWQ_MAX; i++) { 1043 peer->peer_ast_flowq_idx[i].is_valid = false; 1044 peer->peer_ast_flowq_idx[i].valid_tid_mask = false; 1045 peer->peer_ast_flowq_idx[i].ast_idx = DP_INVALID_AST_IDX; 1046 peer->peer_ast_flowq_idx[i].flowQ = DP_INVALID_FLOW_PRIORITY; 1047 } 1048 } 1049 1050 /** 1051 * dp_peer_get_flowid_from_flowmask() - get flow id from flow mask 1052 * @peer - dp peer handle 1053 * @mask - flow mask 1054 * 1055 * Return: flow id 1056 */ 1057 static int dp_peer_get_flowid_from_flowmask(struct dp_peer *peer, 1058 uint8_t mask) 1059 { 1060 if (!peer) { 1061 QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR, 1062 "%s: Invalid peer\n", __func__); 1063 return -1; 1064 } 1065 1066 if (mask & DP_PEER_AST0_FLOW_MASK) 1067 return DP_PEER_AST_FLOWQ_UDP; 1068 else if (mask & DP_PEER_AST1_FLOW_MASK) 1069 return DP_PEER_AST_FLOWQ_NON_UDP; 1070 else if (mask & DP_PEER_AST2_FLOW_MASK) 1071 return DP_PEER_AST_FLOWQ_HI_PRIO; 1072 else if (mask & DP_PEER_AST3_FLOW_MASK) 1073 return DP_PEER_AST_FLOWQ_LOW_PRIO; 1074 1075 return DP_PEER_AST_FLOWQ_MAX; 1076 } 1077 1078 /** 1079 * dp_peer_get_ast_valid() - get ast index valid from mask 1080 * @mask - mask for ast valid bits 1081 * @index - index for an ast 1082 * 1083 * Return - 1 if ast index is valid from mask else 0 1084 */ 1085 static inline bool dp_peer_get_ast_valid(uint8_t mask, uint16_t index) 1086 { 1087 if (index == 0) 1088 return 1; 1089 return ((mask) & (1 << ((index) - 1))); 1090 } 1091 1092 /** 1093 * dp_peer_ast_index_flow_queue_map_create() - create ast index flow queue map 1094 * @soc - genereic soc handle 1095 * @is_wds - flag to indicate if peer is wds 1096 * @peer_id - peer_id from htt peer map message 1097 * @peer_mac_addr - mac address of the peer 1098 * @ast_info - ast flow override information from peer map 1099 * 1100 * Return: none 1101 */ 1102 void dp_peer_ast_index_flow_queue_map_create(void *soc_hdl, 1103 bool is_wds, uint16_t peer_id, uint8_t *peer_mac_addr, 1104 struct dp_ast_flow_override_info *ast_info) 1105 { 1106 struct dp_soc *soc = (struct dp_soc *)soc_hdl; 1107 struct dp_peer *peer = NULL; 1108 uint8_t i; 1109 1110 /* 1111 * Ast flow override feature is supported 1112 * only for connected client 1113 */ 1114 if (is_wds) 1115 return; 1116 1117 peer = dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_AST); 1118 if (!peer) { 1119 QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR, 1120 "%s: Invalid peer\n", __func__); 1121 return; 1122 } 1123 1124 /* Valid only in AP mode */ 1125 if (peer->vdev->opmode != wlan_op_mode_ap) { 1126 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 1127 "%s: Peer ast flow map not in STA mode\n", __func__); 1128 goto end; 1129 } 1130 1131 /* Making sure the peer is for this mac address */ 1132 if (!qdf_is_macaddr_equal((struct qdf_mac_addr *)peer_mac_addr, 1133 (struct qdf_mac_addr *)peer->mac_addr.raw)) { 1134 QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR, 1135 "%s: Peer mac address mismatch\n", __func__); 1136 goto end; 1137 } 1138 1139 /* Ast entry flow mapping not valid for self peer map */ 1140 if (qdf_is_macaddr_equal((struct qdf_mac_addr *)peer_mac_addr, 1141 (struct qdf_mac_addr *)peer->vdev->mac_addr.raw)) { 1142 QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR, 1143 "%s: Ast flow mapping not valid for self peer \n", __func__); 1144 goto end; 1145 } 1146 1147 /* Fill up ast index <---> flow id mapping table for this peer */ 1148 for (i = 0; i < DP_MAX_AST_INDEX_PER_PEER; i++) { 1149 1150 /* Check if this ast index is valid */ 1151 peer->peer_ast_flowq_idx[i].is_valid = 1152 dp_peer_get_ast_valid(ast_info->ast_valid_mask, i); 1153 if (!peer->peer_ast_flowq_idx[i].is_valid) 1154 continue; 1155 1156 /* Get the flow queue id which is mapped to this ast index */ 1157 peer->peer_ast_flowq_idx[i].flowQ = 1158 dp_peer_get_flowid_from_flowmask(peer, 1159 ast_info->ast_flow_mask[i]); 1160 /* 1161 * Update tid valid mask only if flow id HIGH or 1162 * Low priority 1163 */ 1164 if (peer->peer_ast_flowq_idx[i].flowQ == 1165 DP_PEER_AST_FLOWQ_HI_PRIO) { 1166 peer->peer_ast_flowq_idx[i].valid_tid_mask = 1167 ast_info->tid_valid_hi_pri_mask; 1168 } else if (peer->peer_ast_flowq_idx[i].flowQ == 1169 DP_PEER_AST_FLOWQ_LOW_PRIO) { 1170 peer->peer_ast_flowq_idx[i].valid_tid_mask = 1171 ast_info->tid_valid_low_pri_mask; 1172 } 1173 1174 /* Save the ast index for this entry */ 1175 peer->peer_ast_flowq_idx[i].ast_idx = ast_info->ast_idx[i]; 1176 } 1177 1178 if (soc->cdp_soc.ol_ops->peer_ast_flowid_map) { 1179 soc->cdp_soc.ol_ops->peer_ast_flowid_map( 1180 soc->ctrl_psoc, peer->peer_id, 1181 peer->vdev->vdev_id, peer_mac_addr); 1182 } 1183 1184 end: 1185 /* Release peer reference */ 1186 dp_peer_unref_delete(peer, DP_MOD_ID_AST); 1187 } 1188 1189 /** 1190 * dp_peer_find_ast_index_by_flowq_id() - API to get ast idx for a given flowid 1191 * @soc - soc handle 1192 * @peer_mac_addr - mac address of the peer 1193 * @flow_id - flow id to find ast index 1194 * 1195 * Return: ast index for a given flow id, -1 for fail cases 1196 */ 1197 int dp_peer_find_ast_index_by_flowq_id(struct cdp_soc_t *soc, 1198 uint16_t vdev_id, uint8_t *peer_mac_addr, 1199 uint8_t flow_id, uint8_t tid) 1200 { 1201 struct dp_peer *peer = NULL; 1202 uint8_t i; 1203 uint16_t ast_index; 1204 1205 if (flow_id >= DP_PEER_AST_FLOWQ_MAX) { 1206 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 1207 "Invalid Flow ID %d\n", flow_id); 1208 return -1; 1209 } 1210 1211 peer = dp_peer_find_hash_find((struct dp_soc *)soc, 1212 peer_mac_addr, 0, vdev_id, 1213 DP_MOD_ID_AST); 1214 if (!peer) { 1215 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 1216 "%s: Invalid peer\n", __func__); 1217 return -1; 1218 } 1219 1220 /* 1221 * Loop over the ast entry <----> flow-id mapping to find 1222 * which ast index entry has this flow queue id enabled. 1223 */ 1224 for (i = 0; i < DP_PEER_AST_FLOWQ_MAX; i++) { 1225 if (peer->peer_ast_flowq_idx[i].flowQ == flow_id) 1226 /* 1227 * Found the matching index for this flow id 1228 */ 1229 break; 1230 } 1231 1232 /* 1233 * No match found for this flow id 1234 */ 1235 if (i == DP_PEER_AST_FLOWQ_MAX) { 1236 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 1237 "%s: ast index not found for flow %d\n", __func__, flow_id); 1238 dp_peer_unref_delete(peer, DP_MOD_ID_AST); 1239 return -1; 1240 } 1241 1242 /* Check whether this ast entry is valid */ 1243 if (!peer->peer_ast_flowq_idx[i].is_valid) { 1244 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 1245 "%s: ast index is invalid for flow %d\n", __func__, flow_id); 1246 dp_peer_unref_delete(peer, DP_MOD_ID_AST); 1247 return -1; 1248 } 1249 1250 if (flow_id == DP_PEER_AST_FLOWQ_HI_PRIO || 1251 flow_id == DP_PEER_AST_FLOWQ_LOW_PRIO) { 1252 /* 1253 * check if this tid is valid for Hi 1254 * and Low priority flow id 1255 */ 1256 if ((peer->peer_ast_flowq_idx[i].valid_tid_mask 1257 & (1 << tid))) { 1258 /* Release peer reference */ 1259 ast_index = peer->peer_ast_flowq_idx[i].ast_idx; 1260 dp_peer_unref_delete(peer, DP_MOD_ID_AST); 1261 return ast_index; 1262 } else { 1263 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 1264 "%s: TID %d is not valid for flow %d\n", 1265 __func__, tid, flow_id); 1266 /* 1267 * TID is not valid for this flow 1268 * Return -1 1269 */ 1270 dp_peer_unref_delete(peer, DP_MOD_ID_AST); 1271 return -1; 1272 } 1273 } 1274 1275 /* 1276 * TID valid check not required for 1277 * UDP/NON UDP flow id 1278 */ 1279 ast_index = peer->peer_ast_flowq_idx[i].ast_idx; 1280 dp_peer_unref_delete(peer, DP_MOD_ID_AST); 1281 return ast_index; 1282 } 1283 #endif 1284 1285 void dp_hmwds_ast_add_notify(struct dp_peer *peer, 1286 uint8_t *mac_addr, 1287 enum cdp_txrx_ast_entry_type type, 1288 QDF_STATUS err, 1289 bool is_peer_map) 1290 { 1291 struct dp_vdev *dp_vdev = peer->vdev; 1292 struct dp_pdev *dp_pdev = dp_vdev->pdev; 1293 struct cdp_peer_hmwds_ast_add_status add_status; 1294 1295 /* Ignore ast types other than HM */ 1296 if ((type != CDP_TXRX_AST_TYPE_WDS_HM) && 1297 (type != CDP_TXRX_AST_TYPE_WDS_HM_SEC)) 1298 return; 1299 1300 /* existing ast delete in progress, will be attempted 1301 * to add again after delete is complete. Send status then. 1302 */ 1303 if (err == QDF_STATUS_E_AGAIN) 1304 return; 1305 1306 /* peer map pending, notify actual status 1307 * when peer map is received. 1308 */ 1309 if (!is_peer_map && (err == QDF_STATUS_SUCCESS)) 1310 return; 1311 1312 qdf_mem_zero(&add_status, sizeof(add_status)); 1313 add_status.vdev_id = dp_vdev->vdev_id; 1314 /* For type CDP_TXRX_AST_TYPE_WDS_HM_SEC dp_peer_add_ast() 1315 * returns QDF_STATUS_E_FAILURE as it is host only entry. 1316 * In such cases set err as success. Also err code set to 1317 * QDF_STATUS_E_ALREADY indicates entry already exist in 1318 * such cases set err as success too. Any other error code 1319 * is actual error. 1320 */ 1321 if (((type == CDP_TXRX_AST_TYPE_WDS_HM_SEC) && 1322 (err == QDF_STATUS_E_FAILURE)) || 1323 (err == QDF_STATUS_E_ALREADY)) { 1324 err = QDF_STATUS_SUCCESS; 1325 } 1326 add_status.status = err; 1327 qdf_mem_copy(add_status.peer_mac, peer->mac_addr.raw, 1328 QDF_MAC_ADDR_SIZE); 1329 qdf_mem_copy(add_status.ast_mac, mac_addr, 1330 QDF_MAC_ADDR_SIZE); 1331 #ifdef WDI_EVENT_ENABLE 1332 dp_wdi_event_handler(WDI_EVENT_HMWDS_AST_ADD_STATUS, dp_pdev->soc, 1333 (void *)&add_status, 0, 1334 WDI_NO_VAL, dp_pdev->pdev_id); 1335 #endif 1336 } 1337 1338 #ifdef FEATURE_PERPKT_INFO 1339 /** 1340 * dp_get_completion_indication_for_stack() - send completion to stack 1341 * @soc : dp_soc handle 1342 * @pdev: dp_pdev handle 1343 * @peer: dp peer handle 1344 * @ts: transmit completion status structure 1345 * @netbuf: Buffer pointer for free 1346 * 1347 * This function is used for indication whether buffer needs to be 1348 * sent to stack for freeing or not 1349 */ 1350 QDF_STATUS 1351 dp_get_completion_indication_for_stack(struct dp_soc *soc, 1352 struct dp_pdev *pdev, 1353 struct dp_txrx_peer *txrx_peer, 1354 struct hal_tx_completion_status *ts, 1355 qdf_nbuf_t netbuf, 1356 uint64_t time_latency) 1357 { 1358 struct tx_capture_hdr *ppdu_hdr; 1359 uint16_t peer_id = ts->peer_id; 1360 uint32_t ppdu_id = ts->ppdu_id; 1361 uint8_t first_msdu = ts->first_msdu; 1362 uint8_t last_msdu = ts->last_msdu; 1363 uint32_t txcap_hdr_size = sizeof(struct tx_capture_hdr); 1364 struct dp_peer *peer; 1365 1366 if (qdf_unlikely(!dp_monitor_is_enable_tx_sniffer(pdev) && 1367 !dp_monitor_is_enable_mcopy_mode(pdev) && 1368 !pdev->latency_capture_enable)) 1369 return QDF_STATUS_E_NOSUPPORT; 1370 1371 if (!txrx_peer) { 1372 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 1373 FL("Peer Invalid")); 1374 return QDF_STATUS_E_INVAL; 1375 } 1376 1377 /* If mcopy is enabled and mcopy_mode is M_COPY deliver 1st MSDU 1378 * per PPDU. If mcopy_mode is M_COPY_EXTENDED deliver 1st MSDU 1379 * for each MPDU 1380 */ 1381 if (dp_monitor_mcopy_check_deliver(pdev, 1382 peer_id, 1383 ppdu_id, 1384 first_msdu) != QDF_STATUS_SUCCESS) 1385 return QDF_STATUS_E_INVAL; 1386 1387 if (qdf_unlikely(qdf_nbuf_headroom(netbuf) < txcap_hdr_size)) { 1388 netbuf = qdf_nbuf_realloc_headroom(netbuf, txcap_hdr_size); 1389 if (!netbuf) { 1390 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 1391 FL("No headroom")); 1392 return QDF_STATUS_E_NOMEM; 1393 } 1394 } 1395 1396 if (!qdf_nbuf_push_head(netbuf, txcap_hdr_size)) { 1397 QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR, 1398 FL("No headroom")); 1399 return QDF_STATUS_E_NOMEM; 1400 } 1401 1402 ppdu_hdr = (struct tx_capture_hdr *)qdf_nbuf_data(netbuf); 1403 qdf_mem_copy(ppdu_hdr->ta, txrx_peer->vdev->mac_addr.raw, 1404 QDF_MAC_ADDR_SIZE); 1405 1406 peer = dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_TX_COMP); 1407 if (peer) { 1408 qdf_mem_copy(ppdu_hdr->ra, peer->mac_addr.raw, 1409 QDF_MAC_ADDR_SIZE); 1410 dp_peer_unref_delete(peer, DP_MOD_ID_TX_COMP); 1411 } 1412 ppdu_hdr->ppdu_id = ppdu_id; 1413 ppdu_hdr->peer_id = peer_id; 1414 ppdu_hdr->first_msdu = first_msdu; 1415 ppdu_hdr->last_msdu = last_msdu; 1416 if (qdf_unlikely(pdev->latency_capture_enable)) { 1417 ppdu_hdr->tsf = ts->tsf; 1418 ppdu_hdr->time_latency = (uint32_t)time_latency; 1419 } 1420 1421 return QDF_STATUS_SUCCESS; 1422 } 1423 1424 /** 1425 * dp_send_completion_to_stack() - send completion to stack 1426 * @soc : dp_soc handle 1427 * @pdev: dp_pdev handle 1428 * @peer_id: peer_id of the peer for which completion came 1429 * @ppdu_id: ppdu_id 1430 * @netbuf: Buffer pointer for free 1431 * 1432 * This function is used to send completion to stack 1433 * to free buffer 1434 */ 1435 void dp_send_completion_to_stack(struct dp_soc *soc, struct dp_pdev *pdev, 1436 uint16_t peer_id, uint32_t ppdu_id, 1437 qdf_nbuf_t netbuf) 1438 { 1439 dp_wdi_event_handler(WDI_EVENT_TX_DATA, soc, 1440 netbuf, peer_id, 1441 WDI_NO_VAL, pdev->pdev_id); 1442 } 1443 #endif 1444