1 /* 2 * Copyright (c) 2016-2021 The Linux Foundation. All rights reserved. 3 * Copyright (c) 2021 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 * DOC: Public APIs to perform operations on Peer object 21 */ 22 #include <wlan_objmgr_cmn.h> 23 #include <wlan_objmgr_global_obj.h> 24 #include <wlan_objmgr_psoc_obj.h> 25 #include <wlan_objmgr_pdev_obj.h> 26 #include <wlan_objmgr_vdev_obj.h> 27 #include <wlan_objmgr_peer_obj.h> 28 #include <wlan_objmgr_debug.h> 29 #include <qdf_mem.h> 30 #include <qdf_module.h> 31 #include "wlan_objmgr_global_obj_i.h" 32 #include "wlan_objmgr_psoc_obj_i.h" 33 #include "wlan_objmgr_pdev_obj_i.h" 34 #include "wlan_objmgr_vdev_obj_i.h" 35 36 37 /** 38 ** APIs to Create/Delete Peer object APIs 39 */ 40 static QDF_STATUS wlan_objmgr_peer_object_status( 41 struct wlan_objmgr_peer *peer) 42 { 43 uint8_t id; 44 QDF_STATUS status = QDF_STATUS_SUCCESS; 45 46 wlan_peer_obj_lock(peer); 47 /* Iterate through all components to derive the object status */ 48 for (id = 0; id < WLAN_UMAC_MAX_COMPONENTS; id++) { 49 /* If component disabled, Ignore */ 50 if (peer->obj_status[id] == QDF_STATUS_COMP_DISABLED) 51 continue; 52 /* If component operates in Async, status is Partially created, 53 break */ 54 else if (peer->obj_status[id] == QDF_STATUS_COMP_ASYNC) { 55 if (!peer->peer_comp_priv_obj[id]) { 56 status = QDF_STATUS_COMP_ASYNC; 57 break; 58 } 59 /* If component failed to allocate its object, treat it as 60 failure, complete object need to be cleaned up */ 61 } else if ((peer->obj_status[id] == QDF_STATUS_E_NOMEM) || 62 (peer->obj_status[id] == QDF_STATUS_E_FAILURE)) { 63 obj_mgr_err("Peer comp object(id:%d) alloc fail", id); 64 status = QDF_STATUS_E_FAILURE; 65 break; 66 } 67 } 68 wlan_peer_obj_unlock(peer); 69 return status; 70 } 71 72 static QDF_STATUS wlan_objmgr_peer_obj_free(struct wlan_objmgr_peer *peer) 73 { 74 struct wlan_objmgr_psoc *psoc; 75 struct wlan_objmgr_vdev *vdev; 76 uint8_t *macaddr; 77 uint8_t vdev_id; 78 bool peer_free_notify = true; 79 80 if (!peer) { 81 obj_mgr_err("PEER is NULL"); 82 return QDF_STATUS_E_FAILURE; 83 } 84 85 macaddr = wlan_peer_get_macaddr(peer); 86 87 vdev = wlan_peer_get_vdev(peer); 88 if (!vdev) { 89 obj_mgr_err( 90 "VDEV is NULL for peer("QDF_MAC_ADDR_FMT")", 91 QDF_MAC_ADDR_REF(macaddr)); 92 return QDF_STATUS_E_FAILURE; 93 } 94 95 /* Notify peer free only for non self peer*/ 96 if (WLAN_ADDR_EQ(wlan_peer_get_macaddr(peer), 97 wlan_vdev_mlme_get_macaddr(vdev)) == 98 QDF_STATUS_SUCCESS) 99 peer_free_notify = false; 100 101 vdev_id = wlan_vdev_get_id(vdev); 102 103 /* get PSOC from VDEV, if it is NULL, return */ 104 psoc = wlan_vdev_get_psoc(vdev); 105 if (!psoc) { 106 obj_mgr_err( 107 "PSOC is NULL for peer("QDF_MAC_ADDR_FMT")", 108 QDF_MAC_ADDR_REF(macaddr)); 109 return QDF_STATUS_E_FAILURE; 110 } 111 112 /* Decrement ref count for BSS peer, so that BSS peer deletes last*/ 113 if ((wlan_peer_get_peer_type(peer) == WLAN_PEER_STA) || 114 (wlan_peer_get_peer_type(peer) == WLAN_PEER_STA_TEMP) || 115 (wlan_peer_get_peer_type(peer) == WLAN_PEER_P2P_CLI)) 116 wlan_objmgr_peer_release_ref(wlan_vdev_get_bsspeer(vdev), 117 WLAN_OBJMGR_ID); 118 119 wlan_objmgr_vdev_get_ref(vdev, WLAN_OBJMGR_ID); 120 121 /* Detach peer from VDEV's peer list */ 122 if (wlan_objmgr_vdev_peer_detach(vdev, peer) == QDF_STATUS_E_FAILURE) { 123 obj_mgr_err( 124 "Peer("QDF_MAC_ADDR_FMT") VDEV detach fail, vdev id: %d", 125 QDF_MAC_ADDR_REF(macaddr), vdev_id); 126 wlan_objmgr_vdev_release_ref(vdev, WLAN_OBJMGR_ID); 127 return QDF_STATUS_E_FAILURE; 128 } 129 /* Detach peer from PSOC's peer list */ 130 if (wlan_objmgr_psoc_peer_detach(psoc, peer) == QDF_STATUS_E_FAILURE) { 131 obj_mgr_err( 132 "Peer("QDF_MAC_ADDR_FMT") PSOC detach failure", 133 QDF_MAC_ADDR_REF(macaddr)); 134 wlan_objmgr_vdev_release_ref(vdev, WLAN_OBJMGR_ID); 135 return QDF_STATUS_E_FAILURE; 136 } 137 wlan_objmgr_peer_trace_del_ref_list(peer); 138 wlan_objmgr_peer_trace_deinit_lock(peer); 139 qdf_spinlock_destroy(&peer->peer_lock); 140 qdf_mem_free(peer); 141 peer = NULL; 142 143 if (peer_free_notify) 144 wlan_objmgr_vdev_peer_freed_notify(vdev); 145 146 wlan_objmgr_vdev_release_ref(vdev, WLAN_OBJMGR_ID); 147 148 return QDF_STATUS_SUCCESS; 149 150 } 151 152 #ifdef WLAN_OBJMGR_REF_ID_DEBUG 153 static void 154 wlan_objmgr_peer_init_ref_id_debug(struct wlan_objmgr_peer *peer) 155 { 156 uint8_t id; 157 158 for (id = 0; id < WLAN_REF_ID_MAX; id++) 159 qdf_atomic_init(&peer->peer_objmgr.ref_id_dbg[id]); 160 } 161 #else 162 static inline void 163 wlan_objmgr_peer_init_ref_id_debug(struct wlan_objmgr_peer *peer) {} 164 #endif 165 166 struct wlan_objmgr_peer *wlan_objmgr_peer_obj_create( 167 struct wlan_objmgr_vdev *vdev, 168 enum wlan_peer_type type, 169 uint8_t *macaddr) 170 { 171 struct wlan_objmgr_peer *peer; 172 struct wlan_objmgr_psoc *psoc; 173 wlan_objmgr_peer_create_handler handler; 174 wlan_objmgr_peer_status_handler stat_handler; 175 void *arg; 176 QDF_STATUS obj_status; 177 uint8_t id; 178 179 if (!vdev) { 180 obj_mgr_err( 181 "VDEV is NULL for peer ("QDF_MAC_ADDR_FMT")", 182 QDF_MAC_ADDR_REF(macaddr)); 183 return NULL; 184 } 185 /* Get psoc, if psoc is NULL, return */ 186 psoc = wlan_vdev_get_psoc(vdev); 187 if (!psoc) { 188 obj_mgr_err( 189 "PSOC is NULL for peer ("QDF_MAC_ADDR_FMT")", 190 QDF_MAC_ADDR_REF(macaddr)); 191 return NULL; 192 } 193 /* Allocate memory for peer object */ 194 peer = qdf_mem_malloc(sizeof(*peer)); 195 if (!peer) 196 return NULL; 197 198 peer->obj_state = WLAN_OBJ_STATE_ALLOCATED; 199 qdf_atomic_init(&peer->peer_objmgr.ref_cnt); 200 wlan_objmgr_peer_init_ref_id_debug(peer); 201 wlan_objmgr_peer_trace_init_lock(peer); 202 wlan_objmgr_peer_get_ref(peer, WLAN_OBJMGR_ID); 203 /* set vdev to peer */ 204 wlan_peer_set_vdev(peer, vdev); 205 /* set peer type */ 206 wlan_peer_set_peer_type(peer, type); 207 /* set mac address of peer */ 208 wlan_peer_set_macaddr(peer, macaddr); 209 /* initialize peer state */ 210 wlan_peer_mlme_set_state(peer, WLAN_INIT_STATE); 211 wlan_peer_mlme_reset_seq_num(peer); 212 peer->peer_objmgr.print_cnt = 0; 213 214 qdf_spinlock_create(&peer->peer_lock); 215 /* Attach peer to psoc, psoc maintains the node table for the device */ 216 if (wlan_objmgr_psoc_peer_attach(psoc, peer) != 217 QDF_STATUS_SUCCESS) { 218 obj_mgr_warn( 219 "Peer("QDF_MAC_ADDR_FMT") PSOC attach failure", 220 QDF_MAC_ADDR_REF(macaddr)); 221 qdf_spinlock_destroy(&peer->peer_lock); 222 wlan_objmgr_peer_trace_deinit_lock(peer); 223 qdf_mem_free(peer); 224 return NULL; 225 } 226 /* Attach peer to vdev peer table */ 227 if (wlan_objmgr_vdev_peer_attach(vdev, peer) != 228 QDF_STATUS_SUCCESS) { 229 obj_mgr_warn( 230 "Peer("QDF_MAC_ADDR_FMT") VDEV attach failure", 231 QDF_MAC_ADDR_REF(macaddr)); 232 /* if attach fails, detach from psoc table before free */ 233 wlan_objmgr_psoc_peer_detach(psoc, peer); 234 qdf_spinlock_destroy(&peer->peer_lock); 235 wlan_objmgr_peer_trace_deinit_lock(peer); 236 qdf_mem_free(peer); 237 return NULL; 238 } 239 wlan_peer_set_pdev_id(peer, wlan_objmgr_pdev_get_pdev_id( 240 wlan_vdev_get_pdev(vdev))); 241 /* Increment ref count for BSS peer, so that BSS peer deletes last*/ 242 if ((type == WLAN_PEER_STA) || (type == WLAN_PEER_STA_TEMP) 243 || (type == WLAN_PEER_P2P_CLI)) 244 wlan_objmgr_peer_get_ref(wlan_vdev_get_bsspeer(vdev), 245 WLAN_OBJMGR_ID); 246 /* TODO init other parameters */ 247 /* Invoke registered create handlers */ 248 for (id = 0; id < WLAN_UMAC_MAX_COMPONENTS; id++) { 249 handler = g_umac_glb_obj->peer_create_handler[id]; 250 arg = g_umac_glb_obj->peer_create_handler_arg[id]; 251 if (handler) 252 peer->obj_status[id] = handler(peer, arg); 253 else 254 peer->obj_status[id] = QDF_STATUS_COMP_DISABLED; 255 } 256 /* derive the object status */ 257 obj_status = wlan_objmgr_peer_object_status(peer); 258 /* If SUCCESS, Object is created */ 259 if (obj_status == QDF_STATUS_SUCCESS) { 260 peer->obj_state = WLAN_OBJ_STATE_CREATED; 261 for (id = 0; id < WLAN_UMAC_MAX_COMPONENTS; id++) { 262 stat_handler = g_umac_glb_obj->peer_status_handler[id]; 263 arg = g_umac_glb_obj->peer_status_handler_arg[id]; 264 if (stat_handler) 265 stat_handler(peer, arg, 266 QDF_STATUS_SUCCESS); 267 } 268 } else if (obj_status == QDF_STATUS_COMP_ASYNC) { 269 /* If any component operates in different context, update it 270 as partially created */ 271 peer->obj_state = WLAN_OBJ_STATE_PARTIALLY_CREATED; 272 } else if (obj_status == QDF_STATUS_E_FAILURE) { 273 /* Clean up the peer */ 274 obj_mgr_err( 275 "Peer("QDF_MAC_ADDR_FMT") comp object alloc fail", 276 QDF_MAC_ADDR_REF(macaddr)); 277 wlan_objmgr_peer_obj_delete(peer); 278 return NULL; 279 } 280 281 obj_mgr_debug("Created peer " QDF_MAC_ADDR_FMT " type %d", 282 QDF_MAC_ADDR_REF(macaddr), type); 283 284 return peer; 285 } 286 287 static QDF_STATUS 288 __wlan_objmgr_peer_obj_destroy(struct wlan_objmgr_peer *peer) 289 { 290 uint8_t id; 291 wlan_objmgr_peer_destroy_handler handler; 292 QDF_STATUS obj_status; 293 void *arg; 294 uint8_t *macaddr; 295 296 if (!peer) { 297 obj_mgr_err("PEER is NULL"); 298 return QDF_STATUS_E_FAILURE; 299 } 300 wlan_objmgr_notify_destroy(peer, WLAN_PEER_OP); 301 302 macaddr = wlan_peer_get_macaddr(peer); 303 304 obj_mgr_debug("Physically deleting peer " QDF_MAC_ADDR_FMT, 305 QDF_MAC_ADDR_REF(macaddr)); 306 307 if (peer->obj_state != WLAN_OBJ_STATE_LOGICALLY_DELETED) { 308 obj_mgr_err("PEER object del is not invoked obj_state:%d peer " 309 QDF_MAC_ADDR_FMT, peer->obj_state, 310 QDF_MAC_ADDR_REF(macaddr)); 311 WLAN_OBJMGR_BUG(0); 312 } 313 314 /* Invoke registered destroy handlers */ 315 for (id = 0; id < WLAN_UMAC_MAX_COMPONENTS; id++) { 316 handler = g_umac_glb_obj->peer_destroy_handler[id]; 317 arg = g_umac_glb_obj->peer_destroy_handler_arg[id]; 318 if (handler && 319 (peer->obj_status[id] == QDF_STATUS_SUCCESS || 320 peer->obj_status[id] == QDF_STATUS_COMP_ASYNC)) 321 peer->obj_status[id] = handler(peer, arg); 322 else 323 peer->obj_status[id] = QDF_STATUS_COMP_DISABLED; 324 } 325 /* Derive the object status */ 326 obj_status = wlan_objmgr_peer_object_status(peer); 327 if (obj_status == QDF_STATUS_E_FAILURE) { 328 /* If it status is failure, memory will not be freed */ 329 QDF_BUG(0); 330 return QDF_STATUS_E_FAILURE; 331 } 332 /* few components deletion is in progress */ 333 if (obj_status == QDF_STATUS_COMP_ASYNC) { 334 peer->obj_state = WLAN_OBJ_STATE_PARTIALLY_DELETED; 335 return QDF_STATUS_COMP_ASYNC; 336 } 337 338 /* Free the peer object */ 339 return wlan_objmgr_peer_obj_free(peer); 340 } 341 342 #ifdef FEATURE_DELAYED_PEER_OBJ_DESTROY 343 /* 344 * Length of the list used to hold delayed peer obj free. 345 * Must be a multiple of 2. 346 */ 347 #define MAX_DELAYED_FREE_PEERS 64 348 349 /** 350 * wlan_objmgr_peer_obj_free_work() - Peer obj freed in the delayed work 351 * @data: PDEV object 352 * 353 * Peer obj freed in the delayed work 354 * 355 * Return: None 356 */ 357 static void wlan_objmgr_peer_obj_free_work(void *data) 358 { 359 struct wlan_objmgr_pdev *pdev = data; 360 struct wlan_objmgr_peer *peer; 361 qdf_list_node_t *node; 362 uint8_t *macaddr; 363 364 if (!pdev) { 365 obj_mgr_err("pdev is NULL"); 366 return; 367 } 368 369 qdf_spin_lock_bh(&pdev->peer_free_lock); 370 while (!(qdf_list_empty(&pdev->peer_free_list))) { 371 qdf_list_remove_front(&pdev->peer_free_list, &node); 372 qdf_spin_unlock_bh(&pdev->peer_free_lock); 373 374 peer = qdf_container_of(node, 375 struct wlan_objmgr_peer, 376 free_node); 377 378 macaddr = wlan_peer_get_macaddr(peer); 379 obj_mgr_debug("active_work_cnt %u list size %u peer 0x%pK(" 380 QDF_MAC_ADDR_FMT ")", 381 pdev->active_work_cnt, 382 qdf_list_size(&pdev->peer_free_list), 383 peer, 384 QDF_MAC_ADDR_REF(macaddr)); 385 386 __wlan_objmgr_peer_obj_destroy(peer); 387 388 qdf_spin_lock_bh(&pdev->peer_free_lock); 389 } 390 391 pdev->active_work_cnt--; 392 393 qdf_spin_unlock_bh(&pdev->peer_free_lock); 394 } 395 396 /** 397 * wlan_peer_obj_free_enqueue() - enqueue freed peer into kworker 398 * @peer: PEER object 399 * 400 * Enqueue freed peer into kworker 401 * 402 * Return: None 403 */ 404 static QDF_STATUS 405 wlan_peer_obj_free_enqueue(struct wlan_objmgr_peer *peer) 406 { 407 struct wlan_objmgr_vdev *vdev; 408 struct wlan_objmgr_pdev *pdev; 409 uint8_t *macaddr; 410 411 if (!peer) { 412 obj_mgr_err("peer is NULL"); 413 return QDF_STATUS_E_FAILURE; 414 } 415 416 macaddr = wlan_peer_get_macaddr(peer); 417 418 vdev = wlan_peer_get_vdev(peer); 419 if (!vdev) { 420 obj_mgr_err("VDEV is NULL for peer(" QDF_MAC_ADDR_FMT ")", 421 QDF_MAC_ADDR_REF(macaddr)); 422 return QDF_STATUS_E_FAILURE; 423 } 424 /* get PDEV from VDEV, if it is NULL, return */ 425 pdev = wlan_vdev_get_pdev(vdev); 426 if (!pdev) { 427 obj_mgr_err("PDEV is NULL for peer(" QDF_MAC_ADDR_FMT ")", 428 QDF_MAC_ADDR_REF(macaddr)); 429 return QDF_STATUS_E_FAILURE; 430 } 431 432 qdf_spin_lock_bh(&pdev->peer_free_lock); 433 qdf_list_insert_back(&pdev->peer_free_list, &peer->free_node); 434 pdev->active_work_cnt++; 435 qdf_spin_unlock_bh(&pdev->peer_free_lock); 436 437 obj_mgr_debug("active_work_cnt %u list size %u peer 0x%pK(" 438 QDF_MAC_ADDR_FMT ")", 439 pdev->active_work_cnt, 440 qdf_list_size(&pdev->peer_free_list), 441 peer, 442 QDF_MAC_ADDR_REF(macaddr)); 443 444 qdf_sched_work(0, &pdev->peer_obj_free_work); 445 446 return QDF_STATUS_SUCCESS; 447 } 448 449 static QDF_STATUS 450 wlan_objmgr_peer_obj_destroy(struct wlan_objmgr_peer *peer) 451 { 452 QDF_STATUS status; 453 454 status = wlan_peer_obj_free_enqueue(peer); 455 if (status != QDF_STATUS_SUCCESS) { 456 obj_mgr_warn("enqueue failure, call free obj directly"); 457 status = __wlan_objmgr_peer_obj_destroy(peer); 458 } 459 460 return status; 461 } 462 463 /** 464 * wlan_delayed_peer_obj_free_init() - Init for delayed peer obj freed queue 465 * @data: PDEV object 466 * 467 * Initialize main data structures to process peer obj destroy in a delayed 468 * workqueue. 469 * 470 * Return: QDF_STATUS_SUCCESS on success else a QDF error. 471 */ 472 QDF_STATUS wlan_delayed_peer_obj_free_init(void *data) 473 { 474 struct wlan_objmgr_pdev *pdev = data; 475 476 if (!pdev) { 477 obj_mgr_err("pdev is NULL"); 478 return QDF_STATUS_E_FAILURE; 479 } 480 481 qdf_spinlock_create(&pdev->peer_free_lock); 482 qdf_create_work(0, &pdev->peer_obj_free_work, 483 wlan_objmgr_peer_obj_free_work, 484 (void *)pdev); 485 pdev->active_work_cnt = 0; 486 487 /* Initialize PDEV's peer free list, assign default values */ 488 qdf_list_create(&pdev->peer_free_list, MAX_DELAYED_FREE_PEERS); 489 490 obj_mgr_debug("Delayed peer obj free init successfully"); 491 492 return QDF_STATUS_SUCCESS; 493 } 494 495 /** 496 * wlan_delayed_peer_obj_free_deinit() - De-Init delayed peer freed processing 497 * @data: PDEV object 498 * 499 * De-initialize main data structures to process peer obj freed in a delayed 500 * workqueue. 501 * 502 * Return: QDF_STATUS_SUCCESS on success else a QDF error. 503 */ 504 QDF_STATUS wlan_delayed_peer_obj_free_deinit(void *data) 505 { 506 struct wlan_objmgr_pdev *pdev = data; 507 508 if (!pdev) { 509 obj_mgr_err("pdev is NULL"); 510 return QDF_STATUS_E_FAILURE; 511 } 512 513 qdf_destroy_work(0, &pdev->peer_obj_free_work); 514 qdf_spinlock_destroy(&pdev->peer_free_lock); 515 516 obj_mgr_debug("Deinit successfully, active_work_cnt=%u", 517 pdev->active_work_cnt); 518 519 return QDF_STATUS_SUCCESS; 520 } 521 #else 522 static QDF_STATUS 523 wlan_objmgr_peer_obj_destroy(struct wlan_objmgr_peer *peer) 524 { 525 return __wlan_objmgr_peer_obj_destroy(peer); 526 } 527 #endif 528 529 QDF_STATUS wlan_objmgr_peer_obj_delete(struct wlan_objmgr_peer *peer) 530 { 531 uint8_t print_idx; 532 uint8_t *macaddr; 533 534 if (!peer) { 535 obj_mgr_err("PEER is NULL"); 536 return QDF_STATUS_E_FAILURE; 537 } 538 539 wlan_peer_obj_lock(peer); 540 macaddr = wlan_peer_get_macaddr(peer); 541 wlan_peer_obj_unlock(peer); 542 543 obj_mgr_debug("Logically deleting peer " QDF_MAC_ADDR_FMT, 544 QDF_MAC_ADDR_REF(macaddr)); 545 546 print_idx = qdf_get_pidx(); 547 wlan_objmgr_print_peer_ref_ids(peer, QDF_TRACE_LEVEL_DEBUG); 548 /** 549 * Update VDEV object state to LOGICALLY DELETED 550 * It prevents further access of this object 551 */ 552 wlan_peer_obj_lock(peer); 553 peer->obj_state = WLAN_OBJ_STATE_LOGICALLY_DELETED; 554 wlan_peer_obj_unlock(peer); 555 wlan_objmgr_notify_log_delete(peer, WLAN_PEER_OP); 556 wlan_objmgr_peer_release_ref(peer, WLAN_OBJMGR_ID); 557 558 return QDF_STATUS_SUCCESS; 559 } 560 qdf_export_symbol(wlan_objmgr_peer_obj_delete); 561 /** 562 ** APIs to attach/detach component objects 563 */ 564 QDF_STATUS wlan_objmgr_peer_component_obj_attach( 565 struct wlan_objmgr_peer *peer, 566 enum wlan_umac_comp_id id, 567 void *comp_priv_obj, 568 QDF_STATUS status) 569 { 570 wlan_objmgr_peer_status_handler s_hler; 571 void *arg; 572 uint8_t i; 573 QDF_STATUS obj_status; 574 575 /* component id is invalid */ 576 if (id >= WLAN_UMAC_MAX_COMPONENTS) 577 return QDF_STATUS_MAXCOMP_FAIL; 578 579 wlan_peer_obj_lock(peer); 580 /* If there is a valid entry, return failure, 581 valid object needs to be freed first */ 582 if (peer->peer_comp_priv_obj[id]) { 583 wlan_peer_obj_unlock(peer); 584 return QDF_STATUS_E_FAILURE; 585 } 586 /* Assign component object private pointer(can be NULL also), status */ 587 peer->peer_comp_priv_obj[id] = comp_priv_obj; 588 peer->obj_status[id] = status; 589 wlan_peer_obj_unlock(peer); 590 591 if (peer->obj_state != WLAN_OBJ_STATE_PARTIALLY_CREATED) 592 return QDF_STATUS_SUCCESS; 593 594 /* If PEER object status is partially created means, this API is 595 invoked with differnt context. this block should be executed for async 596 components only */ 597 /* Derive status */ 598 obj_status = wlan_objmgr_peer_object_status(peer); 599 /* STATUS_SUCCESS means, object is CREATED */ 600 if (obj_status == QDF_STATUS_SUCCESS) 601 peer->obj_state = WLAN_OBJ_STATE_CREATED; 602 /* update state as CREATION failed, caller has to delete the 603 PEER object */ 604 else if (obj_status == QDF_STATUS_E_FAILURE) 605 peer->obj_state = WLAN_OBJ_STATE_CREATION_FAILED; 606 /* Notify components about the CREATION success/failure */ 607 if ((obj_status == QDF_STATUS_SUCCESS) || 608 (obj_status == QDF_STATUS_E_FAILURE)) { 609 /* nofity object status */ 610 for (i = 0; i < WLAN_UMAC_MAX_COMPONENTS; i++) { 611 s_hler = g_umac_glb_obj->peer_status_handler[i]; 612 arg = g_umac_glb_obj->peer_status_handler_arg[i]; 613 if (s_hler) 614 s_hler(peer, arg, obj_status); 615 } 616 } 617 return QDF_STATUS_SUCCESS; 618 } 619 620 QDF_STATUS wlan_objmgr_peer_component_obj_detach( 621 struct wlan_objmgr_peer *peer, 622 enum wlan_umac_comp_id id, 623 void *comp_priv_obj) 624 { 625 QDF_STATUS obj_status; 626 627 /* component id is invalid */ 628 if (id >= WLAN_UMAC_MAX_COMPONENTS) 629 return QDF_STATUS_MAXCOMP_FAIL; 630 631 wlan_peer_obj_lock(peer); 632 /* If there is a invalid entry, return failure */ 633 if (peer->peer_comp_priv_obj[id] != comp_priv_obj) { 634 peer->obj_status[id] = QDF_STATUS_E_FAILURE; 635 wlan_peer_obj_unlock(peer); 636 return QDF_STATUS_E_FAILURE; 637 } 638 /* Reset the pointer to NULL */ 639 peer->peer_comp_priv_obj[id] = NULL; 640 peer->obj_status[id] = QDF_STATUS_SUCCESS; 641 wlan_peer_obj_unlock(peer); 642 643 /* If PEER object status is partially destroyed means, this API is 644 invoked with differnt context, this block should be executed for async 645 components only */ 646 if ((peer->obj_state == WLAN_OBJ_STATE_PARTIALLY_DELETED) || 647 (peer->obj_state == WLAN_OBJ_STATE_COMP_DEL_PROGRESS)) { 648 /* Derive object status */ 649 obj_status = wlan_objmgr_peer_object_status(peer); 650 if (obj_status == QDF_STATUS_SUCCESS) { 651 /*Update the status as Deleted, if full object 652 deletion is in progress */ 653 if (peer->obj_state == WLAN_OBJ_STATE_PARTIALLY_DELETED) 654 peer->obj_state = WLAN_OBJ_STATE_DELETED; 655 /* Move to creation state, since this component 656 deletion alone requested */ 657 if (peer->obj_state == WLAN_OBJ_STATE_COMP_DEL_PROGRESS) 658 peer->obj_state = WLAN_OBJ_STATE_CREATED; 659 /* Object status is failure */ 660 } else if (obj_status == QDF_STATUS_E_FAILURE) { 661 /*Update the status as Deletion failed, if full object 662 deletion is in progress */ 663 if (peer->obj_state == WLAN_OBJ_STATE_PARTIALLY_DELETED) 664 peer->obj_state = 665 WLAN_OBJ_STATE_DELETION_FAILED; 666 /* Move to creation state, since this component 667 deletion alone requested (do not block other 668 components) */ 669 if (peer->obj_state == WLAN_OBJ_STATE_COMP_DEL_PROGRESS) 670 peer->obj_state = WLAN_OBJ_STATE_CREATED; 671 } 672 673 /* Delete peer object */ 674 if ((obj_status == QDF_STATUS_SUCCESS) && 675 (peer->obj_state == WLAN_OBJ_STATE_DELETED)) { 676 /* Free the peer object */ 677 return wlan_objmgr_peer_obj_free(peer); 678 } 679 } 680 681 return QDF_STATUS_SUCCESS; 682 } 683 684 685 QDF_STATUS wlan_objmgr_trigger_peer_comp_priv_object_creation( 686 struct wlan_objmgr_peer *peer, 687 enum wlan_umac_comp_id id) 688 { 689 wlan_objmgr_peer_create_handler handler; 690 void *arg; 691 QDF_STATUS obj_status = QDF_STATUS_SUCCESS; 692 693 /* Component id is invalid */ 694 if (id >= WLAN_UMAC_MAX_COMPONENTS) 695 return QDF_STATUS_MAXCOMP_FAIL; 696 697 wlan_peer_obj_lock(peer); 698 /* If component object is already created, delete old 699 component object, then invoke creation */ 700 if (peer->peer_comp_priv_obj[id]) { 701 wlan_peer_obj_unlock(peer); 702 return QDF_STATUS_E_FAILURE; 703 } 704 wlan_peer_obj_unlock(peer); 705 706 /* Invoke registered create handlers */ 707 handler = g_umac_glb_obj->peer_create_handler[id]; 708 arg = g_umac_glb_obj->peer_create_handler_arg[id]; 709 if (handler) 710 peer->obj_status[id] = handler(peer, arg); 711 else 712 return QDF_STATUS_E_FAILURE; 713 714 /* If object status is created, then only handle this object status */ 715 if (peer->obj_state == WLAN_OBJ_STATE_CREATED) { 716 /* Derive object status */ 717 obj_status = wlan_objmgr_peer_object_status(peer); 718 /* Move PDEV object state to Partially created state */ 719 if (obj_status == QDF_STATUS_COMP_ASYNC) { 720 /*TODO atomic */ 721 peer->obj_state = WLAN_OBJ_STATE_PARTIALLY_CREATED; 722 } 723 } 724 725 return obj_status; 726 } 727 728 729 QDF_STATUS wlan_objmgr_trigger_peer_comp_priv_object_deletion( 730 struct wlan_objmgr_peer *peer, 731 enum wlan_umac_comp_id id) 732 { 733 wlan_objmgr_peer_destroy_handler handler; 734 void *arg; 735 QDF_STATUS obj_status = QDF_STATUS_SUCCESS; 736 737 /* component id is invalid */ 738 if (id >= WLAN_UMAC_MAX_COMPONENTS) 739 return QDF_STATUS_MAXCOMP_FAIL; 740 741 wlan_peer_obj_lock(peer); 742 /* Component object was never created, invalid operation */ 743 if (!peer->peer_comp_priv_obj[id]) { 744 wlan_peer_obj_unlock(peer); 745 return QDF_STATUS_E_FAILURE; 746 } 747 748 wlan_peer_obj_unlock(peer); 749 750 /* Invoke registered destroy handlers */ 751 handler = g_umac_glb_obj->peer_destroy_handler[id]; 752 arg = g_umac_glb_obj->peer_destroy_handler_arg[id]; 753 if (handler) 754 peer->obj_status[id] = handler(peer, arg); 755 else 756 return QDF_STATUS_E_FAILURE; 757 758 /* If object status is created, then only handle this object status */ 759 if (peer->obj_state == WLAN_OBJ_STATE_CREATED) { 760 obj_status = wlan_objmgr_peer_object_status(peer); 761 /* move object state to DEL progress */ 762 if (obj_status == QDF_STATUS_COMP_ASYNC) 763 peer->obj_state = WLAN_OBJ_STATE_COMP_DEL_PROGRESS; 764 } 765 return obj_status; 766 } 767 768 void *wlan_objmgr_peer_get_comp_private_obj( 769 struct wlan_objmgr_peer *peer, 770 enum wlan_umac_comp_id id) 771 { 772 void *comp_priv_obj; 773 774 /* component id is invalid */ 775 if (id >= WLAN_UMAC_MAX_COMPONENTS) { 776 QDF_BUG(0); 777 return NULL; 778 } 779 780 if (!peer) { 781 QDF_BUG(0); 782 return NULL; 783 } 784 785 comp_priv_obj = peer->peer_comp_priv_obj[id]; 786 return comp_priv_obj; 787 } 788 qdf_export_symbol(wlan_objmgr_peer_get_comp_private_obj); 789 790 #ifdef WLAN_OBJMGR_REF_ID_DEBUG 791 static inline void 792 wlan_objmgr_peer_get_debug_id_ref(struct wlan_objmgr_peer *peer, 793 wlan_objmgr_ref_dbgid id) 794 { 795 qdf_atomic_inc(&peer->peer_objmgr.ref_id_dbg[id]); 796 } 797 #else 798 static inline void 799 wlan_objmgr_peer_get_debug_id_ref(struct wlan_objmgr_peer *peer, 800 wlan_objmgr_ref_dbgid id) {} 801 #endif 802 803 #ifdef WLAN_OBJMGR_REF_ID_DEBUG 804 static QDF_STATUS 805 wlan_objmgr_peer_release_debug_id_ref(struct wlan_objmgr_peer *peer, 806 wlan_objmgr_ref_dbgid id) 807 { 808 if (!qdf_atomic_read(&peer->peer_objmgr.ref_id_dbg[id])) { 809 uint8_t *macaddr; 810 811 macaddr = wlan_peer_get_macaddr(peer); 812 obj_mgr_err( 813 "peer("QDF_MAC_ADDR_FMT") ref was not taken by %d", 814 QDF_MAC_ADDR_REF(macaddr), id); 815 wlan_objmgr_print_ref_ids(peer->peer_objmgr.ref_id_dbg, 816 QDF_TRACE_LEVEL_FATAL); 817 WLAN_OBJMGR_BUG(0); 818 return QDF_STATUS_E_FAILURE; 819 } 820 821 qdf_atomic_dec(&peer->peer_objmgr.ref_id_dbg[id]); 822 return QDF_STATUS_SUCCESS; 823 } 824 #else 825 static QDF_STATUS 826 wlan_objmgr_peer_release_debug_id_ref(struct wlan_objmgr_peer *peer, 827 wlan_objmgr_ref_dbgid id) 828 { 829 return QDF_STATUS_SUCCESS; 830 } 831 #endif 832 833 #ifdef WLAN_OBJMGR_REF_ID_TRACE 834 static inline void 835 wlan_objmgr_peer_ref_trace(struct wlan_objmgr_peer *peer, 836 wlan_objmgr_ref_dbgid id, 837 const char *func, int line) 838 { 839 struct wlan_objmgr_trace *trace; 840 841 trace = &peer->peer_objmgr.trace; 842 843 if (func) 844 wlan_objmgr_trace_ref(&trace->references[id].head, 845 trace, func, line); 846 } 847 848 static inline void 849 wlan_objmgr_peer_deref_trace(struct wlan_objmgr_peer *peer, 850 wlan_objmgr_ref_dbgid id, 851 const char *func, int line) 852 { 853 struct wlan_objmgr_trace *trace; 854 855 trace = &peer->peer_objmgr.trace; 856 if (func) 857 wlan_objmgr_trace_ref(&trace->dereferences[id].head, 858 trace, func, line); 859 } 860 #endif 861 862 #ifdef WLAN_OBJMGR_REF_ID_TRACE 863 void wlan_objmgr_peer_get_ref_debug(struct wlan_objmgr_peer *peer, 864 wlan_objmgr_ref_dbgid id, 865 const char *func, int line) 866 { 867 if (!peer) { 868 obj_mgr_err("peer obj is NULL for %d", id); 869 QDF_ASSERT(0); 870 return; 871 } 872 /* Increment ref count */ 873 qdf_atomic_inc(&peer->peer_objmgr.ref_cnt); 874 wlan_objmgr_peer_get_debug_id_ref(peer, id); 875 876 wlan_objmgr_peer_ref_trace(peer, id, func, line); 877 return; 878 } 879 880 qdf_export_symbol(wlan_objmgr_peer_get_ref_debug); 881 #else 882 void wlan_objmgr_peer_get_ref(struct wlan_objmgr_peer *peer, 883 wlan_objmgr_ref_dbgid id) 884 { 885 if (!peer) { 886 obj_mgr_err("peer obj is NULL for %d", id); 887 QDF_ASSERT(0); 888 return; 889 } 890 /* Increment ref count */ 891 qdf_atomic_inc(&peer->peer_objmgr.ref_cnt); 892 wlan_objmgr_peer_get_debug_id_ref(peer, id); 893 } 894 895 qdf_export_symbol(wlan_objmgr_peer_get_ref); 896 #endif 897 898 #ifdef WLAN_OBJMGR_REF_ID_TRACE 899 QDF_STATUS wlan_objmgr_peer_try_get_ref_debug(struct wlan_objmgr_peer *peer, 900 wlan_objmgr_ref_dbgid id, 901 const char *func, int line) 902 { 903 if (!peer) { 904 obj_mgr_err("peer obj is NULL for %d", id); 905 QDF_ASSERT(0); 906 return QDF_STATUS_E_FAILURE; 907 } 908 909 wlan_peer_obj_lock(peer); 910 if (peer->obj_state != WLAN_OBJ_STATE_CREATED) { 911 wlan_peer_obj_unlock(peer); 912 if (peer->peer_objmgr.print_cnt++ <= 913 WLAN_OBJMGR_RATELIMIT_THRESH) { 914 uint8_t *macaddr; 915 916 macaddr = wlan_peer_get_macaddr(peer); 917 obj_mgr_debug( 918 "peer(" QDF_MAC_ADDR_FMT ") not in Created st(%d)", 919 QDF_MAC_ADDR_REF(macaddr), 920 peer->obj_state); 921 } 922 return QDF_STATUS_E_RESOURCES; 923 } 924 925 wlan_objmgr_peer_get_ref_debug(peer, id, func, line); 926 wlan_peer_obj_unlock(peer); 927 928 return QDF_STATUS_SUCCESS; 929 } 930 931 qdf_export_symbol(wlan_objmgr_peer_try_get_ref_debug); 932 #else 933 QDF_STATUS wlan_objmgr_peer_try_get_ref(struct wlan_objmgr_peer *peer, 934 wlan_objmgr_ref_dbgid id) 935 { 936 if (!peer) { 937 obj_mgr_err("peer obj is NULL for %d", id); 938 QDF_ASSERT(0); 939 return QDF_STATUS_E_FAILURE; 940 } 941 942 wlan_peer_obj_lock(peer); 943 if (peer->obj_state != WLAN_OBJ_STATE_CREATED) { 944 wlan_peer_obj_unlock(peer); 945 if (peer->peer_objmgr.print_cnt++ <= 946 WLAN_OBJMGR_RATELIMIT_THRESH) { 947 uint8_t *macaddr; 948 949 macaddr = wlan_peer_get_macaddr(peer); 950 obj_mgr_debug( 951 "peer(" QDF_MAC_ADDR_FMT ") not in Created st(%d)", 952 QDF_MAC_ADDR_REF(macaddr), 953 peer->obj_state); 954 } 955 return QDF_STATUS_E_RESOURCES; 956 } 957 958 wlan_objmgr_peer_get_ref(peer, id); 959 wlan_peer_obj_unlock(peer); 960 961 return QDF_STATUS_SUCCESS; 962 } 963 964 qdf_export_symbol(wlan_objmgr_peer_try_get_ref); 965 #endif 966 967 #ifdef WLAN_OBJMGR_REF_ID_TRACE 968 struct wlan_objmgr_peer *wlan_peer_get_next_active_peer_of_psoc_debug( 969 struct wlan_peer_list *peer_list, 970 uint8_t hash_index, 971 struct wlan_objmgr_peer *peer, 972 wlan_objmgr_ref_dbgid dbg_id, 973 const char *func, int line) 974 { 975 struct wlan_objmgr_peer *peer_next = NULL; 976 qdf_list_node_t *psoc_node = NULL; 977 qdf_list_node_t *prev_psoc_node = NULL; 978 qdf_list_t *obj_list; 979 980 qdf_spin_lock_bh(&peer_list->peer_list_lock); 981 obj_list = &peer_list->peer_hash[hash_index]; 982 983 prev_psoc_node = &peer->psoc_peer; 984 while (qdf_list_peek_next(obj_list, prev_psoc_node, &psoc_node) == 985 QDF_STATUS_SUCCESS) { 986 peer_next = qdf_container_of(psoc_node, struct wlan_objmgr_peer, 987 psoc_peer); 988 989 if (wlan_objmgr_peer_try_get_ref_debug(peer_next, dbg_id, 990 func, line) == 991 QDF_STATUS_SUCCESS) { 992 qdf_spin_unlock_bh(&peer_list->peer_list_lock); 993 return peer_next; 994 } 995 996 prev_psoc_node = psoc_node; 997 } 998 999 qdf_spin_unlock_bh(&peer_list->peer_list_lock); 1000 1001 return NULL; 1002 } 1003 #else 1004 struct wlan_objmgr_peer *wlan_peer_get_next_active_peer_of_psoc( 1005 struct wlan_peer_list *peer_list, 1006 uint8_t hash_index, 1007 struct wlan_objmgr_peer *peer, 1008 wlan_objmgr_ref_dbgid dbg_id) 1009 { 1010 struct wlan_objmgr_peer *peer_next = NULL; 1011 qdf_list_node_t *psoc_node = NULL; 1012 qdf_list_node_t *prev_psoc_node = NULL; 1013 qdf_list_t *obj_list; 1014 1015 qdf_spin_lock_bh(&peer_list->peer_list_lock); 1016 obj_list = &peer_list->peer_hash[hash_index]; 1017 1018 prev_psoc_node = &peer->psoc_peer; 1019 while (qdf_list_peek_next(obj_list, prev_psoc_node, &psoc_node) == 1020 QDF_STATUS_SUCCESS) { 1021 peer_next = qdf_container_of(psoc_node, struct wlan_objmgr_peer, 1022 psoc_peer); 1023 1024 if (wlan_objmgr_peer_try_get_ref(peer_next, dbg_id) == 1025 QDF_STATUS_SUCCESS) { 1026 qdf_spin_unlock_bh(&peer_list->peer_list_lock); 1027 return peer_next; 1028 } 1029 1030 prev_psoc_node = psoc_node; 1031 } 1032 1033 qdf_spin_unlock_bh(&peer_list->peer_list_lock); 1034 1035 return NULL; 1036 } 1037 #endif 1038 1039 #ifdef WLAN_OBJMGR_REF_ID_TRACE 1040 struct wlan_objmgr_peer *wlan_vdev_peer_list_peek_active_head_debug( 1041 struct wlan_objmgr_vdev *vdev, 1042 qdf_list_t *peer_list, 1043 wlan_objmgr_ref_dbgid dbg_id, 1044 const char *func, int line) 1045 { 1046 struct wlan_objmgr_peer *peer; 1047 qdf_list_node_t *vdev_node = NULL; 1048 qdf_list_node_t *prev_vdev_node = NULL; 1049 1050 wlan_vdev_obj_lock(vdev); 1051 1052 if (qdf_list_peek_front(peer_list, &vdev_node) != QDF_STATUS_SUCCESS) { 1053 wlan_vdev_obj_unlock(vdev); 1054 return NULL; 1055 } 1056 1057 do { 1058 peer = qdf_container_of(vdev_node, struct wlan_objmgr_peer, 1059 vdev_peer); 1060 1061 if (wlan_objmgr_peer_try_get_ref_debug(peer, dbg_id, 1062 func, line) == 1063 QDF_STATUS_SUCCESS) { 1064 wlan_vdev_obj_unlock(vdev); 1065 return peer; 1066 } 1067 1068 prev_vdev_node = vdev_node; 1069 } while (qdf_list_peek_next(peer_list, prev_vdev_node, &vdev_node) == 1070 QDF_STATUS_SUCCESS); 1071 1072 wlan_vdev_obj_unlock(vdev); 1073 1074 return NULL; 1075 } 1076 #else 1077 struct wlan_objmgr_peer *wlan_vdev_peer_list_peek_active_head( 1078 struct wlan_objmgr_vdev *vdev, 1079 qdf_list_t *peer_list, 1080 wlan_objmgr_ref_dbgid dbg_id) 1081 { 1082 struct wlan_objmgr_peer *peer; 1083 qdf_list_node_t *vdev_node = NULL; 1084 qdf_list_node_t *prev_vdev_node = NULL; 1085 1086 wlan_vdev_obj_lock(vdev); 1087 1088 if (qdf_list_peek_front(peer_list, &vdev_node) != QDF_STATUS_SUCCESS) { 1089 wlan_vdev_obj_unlock(vdev); 1090 return NULL; 1091 } 1092 1093 do { 1094 peer = qdf_container_of(vdev_node, struct wlan_objmgr_peer, 1095 vdev_peer); 1096 1097 if (wlan_objmgr_peer_try_get_ref(peer, dbg_id) == 1098 QDF_STATUS_SUCCESS) { 1099 wlan_vdev_obj_unlock(vdev); 1100 return peer; 1101 } 1102 1103 prev_vdev_node = vdev_node; 1104 } while (qdf_list_peek_next(peer_list, prev_vdev_node, &vdev_node) == 1105 QDF_STATUS_SUCCESS); 1106 1107 wlan_vdev_obj_unlock(vdev); 1108 1109 return NULL; 1110 } 1111 #endif 1112 1113 #ifdef WLAN_OBJMGR_REF_ID_TRACE 1114 struct wlan_objmgr_peer *wlan_peer_get_next_active_peer_of_vdev_debug( 1115 struct wlan_objmgr_vdev *vdev, 1116 qdf_list_t *peer_list, 1117 struct wlan_objmgr_peer *peer, 1118 wlan_objmgr_ref_dbgid dbg_id, 1119 const char *func, int line) 1120 { 1121 struct wlan_objmgr_peer *peer_next; 1122 qdf_list_node_t *vdev_node = NULL; 1123 qdf_list_node_t *prev_vdev_node = NULL; 1124 1125 if (!peer) 1126 return NULL; 1127 1128 wlan_vdev_obj_lock(vdev); 1129 1130 prev_vdev_node = &peer->vdev_peer; 1131 while (qdf_list_peek_next(peer_list, prev_vdev_node, &vdev_node) == 1132 QDF_STATUS_SUCCESS) { 1133 peer_next = qdf_container_of(vdev_node, struct wlan_objmgr_peer, 1134 vdev_peer); 1135 1136 if (wlan_objmgr_peer_try_get_ref_debug(peer_next, dbg_id, 1137 func, line) == 1138 QDF_STATUS_SUCCESS) { 1139 wlan_vdev_obj_unlock(vdev); 1140 return peer_next; 1141 } 1142 1143 prev_vdev_node = vdev_node; 1144 } 1145 1146 wlan_vdev_obj_unlock(vdev); 1147 1148 return NULL; 1149 } 1150 #else 1151 struct wlan_objmgr_peer *wlan_peer_get_next_active_peer_of_vdev( 1152 struct wlan_objmgr_vdev *vdev, 1153 qdf_list_t *peer_list, 1154 struct wlan_objmgr_peer *peer, 1155 wlan_objmgr_ref_dbgid dbg_id) 1156 { 1157 struct wlan_objmgr_peer *peer_next; 1158 qdf_list_node_t *vdev_node = NULL; 1159 qdf_list_node_t *prev_vdev_node = NULL; 1160 1161 if (!peer) 1162 return NULL; 1163 1164 wlan_vdev_obj_lock(vdev); 1165 1166 prev_vdev_node = &peer->vdev_peer; 1167 while (qdf_list_peek_next(peer_list, prev_vdev_node, &vdev_node) == 1168 QDF_STATUS_SUCCESS) { 1169 peer_next = qdf_container_of(vdev_node, struct wlan_objmgr_peer, 1170 vdev_peer); 1171 1172 if (wlan_objmgr_peer_try_get_ref(peer_next, dbg_id) == 1173 QDF_STATUS_SUCCESS) { 1174 wlan_vdev_obj_unlock(vdev); 1175 return peer_next; 1176 } 1177 1178 prev_vdev_node = vdev_node; 1179 } 1180 1181 wlan_vdev_obj_unlock(vdev); 1182 1183 return NULL; 1184 } 1185 #endif 1186 1187 #ifdef WLAN_OBJMGR_REF_ID_TRACE 1188 struct wlan_objmgr_peer *wlan_psoc_peer_list_peek_active_head_debug( 1189 struct wlan_peer_list *peer_list, 1190 uint8_t hash_index, 1191 wlan_objmgr_ref_dbgid dbg_id, 1192 const char *func, int line) 1193 { 1194 struct wlan_objmgr_peer *peer; 1195 qdf_list_node_t *psoc_node = NULL; 1196 qdf_list_node_t *prev_psoc_node = NULL; 1197 qdf_list_t *obj_list; 1198 1199 qdf_spin_lock_bh(&peer_list->peer_list_lock); 1200 obj_list = &peer_list->peer_hash[hash_index]; 1201 1202 if (qdf_list_peek_front(obj_list, &psoc_node) != QDF_STATUS_SUCCESS) { 1203 qdf_spin_unlock_bh(&peer_list->peer_list_lock); 1204 return NULL; 1205 } 1206 1207 do { 1208 peer = qdf_container_of(psoc_node, struct wlan_objmgr_peer, 1209 psoc_peer); 1210 if (wlan_objmgr_peer_try_get_ref_debug(peer, dbg_id, 1211 func, line) == 1212 QDF_STATUS_SUCCESS) { 1213 qdf_spin_unlock_bh(&peer_list->peer_list_lock); 1214 return peer; 1215 } 1216 1217 prev_psoc_node = psoc_node; 1218 } while (qdf_list_peek_next(obj_list, prev_psoc_node, &psoc_node) == 1219 QDF_STATUS_SUCCESS); 1220 1221 qdf_spin_unlock_bh(&peer_list->peer_list_lock); 1222 return NULL; 1223 } 1224 #else 1225 struct wlan_objmgr_peer *wlan_psoc_peer_list_peek_active_head( 1226 struct wlan_peer_list *peer_list, 1227 uint8_t hash_index, 1228 wlan_objmgr_ref_dbgid dbg_id) 1229 { 1230 struct wlan_objmgr_peer *peer; 1231 qdf_list_node_t *psoc_node = NULL; 1232 qdf_list_node_t *prev_psoc_node = NULL; 1233 qdf_list_t *obj_list; 1234 1235 qdf_spin_lock_bh(&peer_list->peer_list_lock); 1236 obj_list = &peer_list->peer_hash[hash_index]; 1237 1238 if (qdf_list_peek_front(obj_list, &psoc_node) != QDF_STATUS_SUCCESS) { 1239 qdf_spin_unlock_bh(&peer_list->peer_list_lock); 1240 return NULL; 1241 } 1242 1243 do { 1244 peer = qdf_container_of(psoc_node, struct wlan_objmgr_peer, 1245 psoc_peer); 1246 if (wlan_objmgr_peer_try_get_ref(peer, dbg_id) == 1247 QDF_STATUS_SUCCESS) { 1248 qdf_spin_unlock_bh(&peer_list->peer_list_lock); 1249 return peer; 1250 } 1251 1252 prev_psoc_node = psoc_node; 1253 } while (qdf_list_peek_next(obj_list, prev_psoc_node, &psoc_node) == 1254 QDF_STATUS_SUCCESS); 1255 1256 qdf_spin_unlock_bh(&peer_list->peer_list_lock); 1257 return NULL; 1258 } 1259 #endif 1260 1261 #ifdef WLAN_OBJMGR_REF_ID_TRACE 1262 struct wlan_objmgr_peer *wlan_psoc_peer_list_peek_head_ref_debug( 1263 struct wlan_peer_list *peer_list, 1264 uint8_t hash_index, 1265 wlan_objmgr_ref_dbgid dbg_id, 1266 const char *func, int line) 1267 { 1268 struct wlan_objmgr_peer *peer; 1269 qdf_list_t *obj_list; 1270 1271 qdf_spin_lock_bh(&peer_list->peer_list_lock); 1272 obj_list = &peer_list->peer_hash[hash_index]; 1273 1274 peer = wlan_psoc_peer_list_peek_head(obj_list); 1275 1276 /* This API is invoked by caller, only when caller need to access the 1277 * peer object, though object is not in active state, this API should be 1278 * used carefully, where multiple object frees are not triggered 1279 */ 1280 if (peer) 1281 wlan_objmgr_peer_get_ref_debug(peer, dbg_id, func, line); 1282 1283 qdf_spin_unlock_bh(&peer_list->peer_list_lock); 1284 1285 return peer; 1286 } 1287 #else 1288 struct wlan_objmgr_peer *wlan_psoc_peer_list_peek_head_ref( 1289 struct wlan_peer_list *peer_list, 1290 uint8_t hash_index, 1291 wlan_objmgr_ref_dbgid dbg_id) 1292 { 1293 struct wlan_objmgr_peer *peer; 1294 qdf_list_t *obj_list; 1295 1296 qdf_spin_lock_bh(&peer_list->peer_list_lock); 1297 obj_list = &peer_list->peer_hash[hash_index]; 1298 1299 peer = wlan_psoc_peer_list_peek_head(obj_list); 1300 1301 /* This API is invoked by caller, only when caller need to access the 1302 * peer object, though object is not in active state, this API should be 1303 * used carefully, where multiple object frees are not triggered 1304 */ 1305 if (peer) 1306 wlan_objmgr_peer_get_ref(peer, dbg_id); 1307 1308 qdf_spin_unlock_bh(&peer_list->peer_list_lock); 1309 1310 return peer; 1311 } 1312 #endif 1313 1314 #ifdef WLAN_OBJMGR_REF_ID_TRACE 1315 struct wlan_objmgr_peer *wlan_peer_get_next_peer_of_psoc_ref_debug( 1316 struct wlan_peer_list *peer_list, uint8_t hash_index, 1317 struct wlan_objmgr_peer *peer, 1318 wlan_objmgr_ref_dbgid dbg_id, 1319 const char *func, int line) 1320 { 1321 qdf_list_t *obj_list; 1322 struct wlan_objmgr_peer *peer_next; 1323 1324 qdf_spin_lock_bh(&peer_list->peer_list_lock); 1325 obj_list = &peer_list->peer_hash[hash_index]; 1326 1327 peer_next = wlan_peer_get_next_peer_of_psoc(obj_list, peer); 1328 /* This API is invoked by caller, only when caller need to access the 1329 * peer object, though object is not in active state, this API should be 1330 * used carefully, where multiple free on object are not triggered 1331 */ 1332 if (peer_next) 1333 wlan_objmgr_peer_get_ref_debug(peer_next, dbg_id, func, line); 1334 1335 qdf_spin_unlock_bh(&peer_list->peer_list_lock); 1336 1337 return peer_next; 1338 } 1339 #else 1340 struct wlan_objmgr_peer *wlan_peer_get_next_peer_of_psoc_ref( 1341 struct wlan_peer_list *peer_list, uint8_t hash_index, 1342 struct wlan_objmgr_peer *peer, 1343 wlan_objmgr_ref_dbgid dbg_id) 1344 { 1345 qdf_list_t *obj_list; 1346 struct wlan_objmgr_peer *peer_next; 1347 1348 qdf_spin_lock_bh(&peer_list->peer_list_lock); 1349 obj_list = &peer_list->peer_hash[hash_index]; 1350 1351 peer_next = wlan_peer_get_next_peer_of_psoc(obj_list, peer); 1352 /* This API is invoked by caller, only when caller need to access the 1353 * peer object, though object is not in active state, this API should be 1354 * used carefully, where multiple free on object are not triggered 1355 */ 1356 if (peer_next) 1357 wlan_objmgr_peer_get_ref(peer_next, dbg_id); 1358 1359 qdf_spin_unlock_bh(&peer_list->peer_list_lock); 1360 1361 return peer_next; 1362 } 1363 #endif 1364 1365 #ifdef WLAN_OBJMGR_REF_ID_TRACE 1366 void wlan_objmgr_peer_release_ref_debug(struct wlan_objmgr_peer *peer, 1367 wlan_objmgr_ref_dbgid id, 1368 const char *func, int line) 1369 { 1370 QDF_STATUS status; 1371 1372 if (!peer) { 1373 obj_mgr_err("peer obj is NULL for %d", id); 1374 QDF_ASSERT(0); 1375 return; 1376 } 1377 1378 if (!qdf_atomic_read(&peer->peer_objmgr.ref_cnt)) { 1379 uint8_t *macaddr; 1380 1381 macaddr = wlan_peer_get_macaddr(peer); 1382 obj_mgr_err("peer("QDF_MAC_ADDR_FMT") ref cnt is 0", 1383 QDF_MAC_ADDR_REF(macaddr)); 1384 WLAN_OBJMGR_BUG(0); 1385 return; 1386 } 1387 1388 status = wlan_objmgr_peer_release_debug_id_ref(peer, id); 1389 if (QDF_IS_STATUS_ERROR(status)) 1390 return; 1391 1392 wlan_objmgr_peer_deref_trace(peer, id, func, line); 1393 /* Provide synchronization from the access to add peer 1394 * to logically deleted peer list. 1395 */ 1396 wlan_peer_obj_lock(peer); 1397 /* Decrement ref count, free peer object, if ref count == 0 */ 1398 if (qdf_atomic_dec_and_test(&peer->peer_objmgr.ref_cnt)) { 1399 wlan_peer_obj_unlock(peer); 1400 wlan_objmgr_peer_obj_destroy(peer); 1401 } else { 1402 wlan_peer_obj_unlock(peer); 1403 } 1404 1405 return; 1406 } 1407 1408 qdf_export_symbol(wlan_objmgr_peer_release_ref_debug); 1409 #else 1410 void wlan_objmgr_peer_release_ref(struct wlan_objmgr_peer *peer, 1411 wlan_objmgr_ref_dbgid id) 1412 { 1413 QDF_STATUS status; 1414 1415 if (!peer) { 1416 obj_mgr_err("peer obj is NULL for %d", id); 1417 QDF_ASSERT(0); 1418 return; 1419 } 1420 1421 if (!qdf_atomic_read(&peer->peer_objmgr.ref_cnt)) { 1422 uint8_t *macaddr; 1423 1424 macaddr = wlan_peer_get_macaddr(peer); 1425 obj_mgr_err("peer("QDF_MAC_ADDR_FMT") ref cnt is 0", 1426 QDF_MAC_ADDR_REF(macaddr)); 1427 WLAN_OBJMGR_BUG(0); 1428 return; 1429 } 1430 1431 status = wlan_objmgr_peer_release_debug_id_ref(peer, id); 1432 if (QDF_IS_STATUS_ERROR(status)) 1433 return; 1434 1435 /* Provide synchronization from the access to add peer 1436 * to logically deleted peer list. 1437 */ 1438 wlan_peer_obj_lock(peer); 1439 /* Decrement ref count, free peer object, if ref count == 0 */ 1440 if (qdf_atomic_dec_and_test(&peer->peer_objmgr.ref_cnt)) { 1441 wlan_peer_obj_unlock(peer); 1442 wlan_objmgr_peer_obj_destroy(peer); 1443 } else { 1444 wlan_peer_obj_unlock(peer); 1445 } 1446 } 1447 1448 qdf_export_symbol(wlan_objmgr_peer_release_ref); 1449 #endif 1450 1451 #ifdef WLAN_OBJMGR_REF_ID_DEBUG 1452 void 1453 wlan_objmgr_print_peer_ref_ids(struct wlan_objmgr_peer *peer, 1454 QDF_TRACE_LEVEL log_level) 1455 { 1456 wlan_objmgr_print_ref_ids(peer->peer_objmgr.ref_id_dbg, log_level); 1457 } 1458 1459 uint32_t 1460 wlan_objmgr_peer_get_comp_ref_cnt(struct wlan_objmgr_peer *peer, 1461 enum wlan_umac_comp_id id) 1462 { 1463 return qdf_atomic_read(&peer->peer_objmgr.ref_id_dbg[id]); 1464 } 1465 #else 1466 void 1467 wlan_objmgr_print_peer_ref_ids(struct wlan_objmgr_peer *peer, 1468 QDF_TRACE_LEVEL log_level) 1469 { 1470 uint32_t pending_ref; 1471 1472 pending_ref = qdf_atomic_read(&peer->peer_objmgr.ref_cnt); 1473 obj_mgr_log_level(log_level, "Pending refs -- %d", pending_ref); 1474 } 1475 1476 uint32_t 1477 wlan_objmgr_peer_get_comp_ref_cnt(struct wlan_objmgr_peer *peer, 1478 enum wlan_umac_comp_id id) 1479 { 1480 return 0; 1481 } 1482 #endif 1483 1484 #ifdef WLAN_FEATURE_DYNAMIC_MAC_ADDR_UPDATE 1485 QDF_STATUS wlan_peer_update_macaddr(struct wlan_objmgr_peer *peer, 1486 uint8_t *new_macaddr) 1487 { 1488 struct wlan_objmgr_psoc *psoc; 1489 struct wlan_objmgr_vdev *vdev; 1490 uint8_t *macaddr; 1491 QDF_STATUS status; 1492 1493 if (!peer) { 1494 obj_mgr_err("PEER is NULL"); 1495 return QDF_STATUS_E_FAILURE; 1496 } 1497 1498 macaddr = wlan_peer_get_macaddr(peer); 1499 1500 vdev = wlan_peer_get_vdev(peer); 1501 if (!vdev) { 1502 obj_mgr_err("VDEV is NULL for peer(" QDF_MAC_ADDR_FMT ")", 1503 QDF_MAC_ADDR_REF(macaddr)); 1504 return QDF_STATUS_E_FAILURE; 1505 } 1506 1507 /* get PSOC from VDEV, if it is NULL, return */ 1508 psoc = wlan_vdev_get_psoc(vdev); 1509 if (!psoc) { 1510 obj_mgr_err("PSOC is NULL for peer(" QDF_MAC_ADDR_FMT ")", 1511 QDF_MAC_ADDR_REF(macaddr)); 1512 return QDF_STATUS_E_FAILURE; 1513 } 1514 1515 status = wlan_objmgr_psoc_peer_detach(psoc, peer); 1516 if (QDF_IS_STATUS_ERROR(status)) { 1517 obj_mgr_err("Failed to detach peer(" QDF_MAC_ADDR_FMT ")", 1518 QDF_MAC_ADDR_REF(macaddr)); 1519 return status; 1520 } 1521 1522 wlan_peer_set_macaddr(peer, new_macaddr); 1523 1524 status = wlan_objmgr_psoc_peer_attach(psoc, peer); 1525 if (QDF_IS_STATUS_ERROR(status)) { 1526 obj_mgr_err("Failed to attach peer(" QDF_MAC_ADDR_FMT ")", 1527 QDF_MAC_ADDR_REF(new_macaddr)); 1528 return status; 1529 } 1530 return QDF_STATUS_SUCCESS; 1531 } 1532 #endif 1533