| /* |
| * Copyright (c) 2017-2018 The Linux Foundation. All rights reserved. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for |
| * any purpose with or without fee is hereby granted, provided that the |
| * above copyright notice and this permission notice appear in all |
| * copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| * PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| /* |
| * DOC: contains scan manager functionality |
| */ |
| |
| #include <wlan_serialization_api.h> |
| #include <wlan_scan_ucfg_api.h> |
| #include <wlan_scan_tgt_api.h> |
| #include "wlan_scan_main.h" |
| #include "wlan_scan_manager.h" |
| #include "wlan_utility.h" |
| #ifdef FEATURE_WLAN_SCAN_PNO |
| #include <host_diag_core_event.h> |
| #endif |
| |
| QDF_STATUS |
| scm_scan_free_scan_request_mem(struct scan_start_request *req) |
| { |
| void *ie; |
| |
| if (!req) { |
| scm_err("null request"); |
| QDF_ASSERT(0); |
| return QDF_STATUS_E_FAILURE; |
| } |
| scm_debug("freed scan request: 0x%pK, scan_id: %d, requester: %d", |
| req, req->scan_req.scan_id, req->scan_req.scan_req_id); |
| /* Free vendor(extra) ie */ |
| ie = req->scan_req.extraie.ptr; |
| if (ie) { |
| req->scan_req.extraie.ptr = NULL; |
| req->scan_req.extraie.len = 0; |
| qdf_mem_free(ie); |
| } |
| |
| /* Free htcap ie */ |
| ie = req->scan_req.htcap.ptr; |
| if (ie) { |
| req->scan_req.htcap.len = 0; |
| req->scan_req.htcap.ptr = NULL; |
| qdf_mem_free(ie); |
| } |
| |
| /* Free vhtcap ie */ |
| ie = req->scan_req.vhtcap.ptr; |
| if (ie) { |
| req->scan_req.vhtcap.len = 0; |
| req->scan_req.vhtcap.ptr = NULL; |
| qdf_mem_free(ie); |
| } |
| /* free scan_start_request memory */ |
| qdf_mem_free(req); |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| static QDF_STATUS |
| scm_scan_get_pdev_global_event_handlers(struct scan_event_listeners *listeners, |
| struct pdev_scan_ev_handler *pdev_ev_handler) |
| { |
| uint32_t i; |
| struct cb_handler *cb_handlers = &(pdev_ev_handler->cb_handlers[0]); |
| |
| for (i = 0; i < MAX_SCAN_EVENT_HANDLERS_PER_PDEV; i++, cb_handlers++) { |
| if ((cb_handlers->func) && |
| (listeners->count < MAX_SCAN_EVENT_LISTENERS)) { |
| listeners->cb[listeners->count].func = |
| cb_handlers->func; |
| listeners->cb[listeners->count].arg = |
| cb_handlers->arg; |
| listeners->count++; |
| } |
| } |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| static QDF_STATUS |
| scm_scan_get_requester_event_handler(struct scan_event_listeners *listeners, |
| struct scan_requester_info *requesters, |
| wlan_scan_requester requester_id) |
| { |
| uint32_t idx; |
| struct cb_handler *ev_handler; |
| |
| idx = requester_id & WLAN_SCAN_REQUESTER_ID_PREFIX; |
| if (idx != WLAN_SCAN_REQUESTER_ID_PREFIX) |
| return QDF_STATUS_SUCCESS; |
| |
| idx = requester_id & WLAN_SCAN_REQUESTER_ID_MASK; |
| if (idx < WLAN_MAX_REQUESTORS) { |
| ev_handler = &(requesters[idx].ev_handler); |
| if (ev_handler->func) { |
| if (listeners->count < MAX_SCAN_EVENT_LISTENERS) { |
| listeners->cb[listeners->count].func = |
| ev_handler->func; |
| listeners->cb[listeners->count].arg = |
| ev_handler->arg; |
| listeners->count++; |
| } |
| } |
| return QDF_STATUS_SUCCESS; |
| } else { |
| scm_err("invalid requester id"); |
| return QDF_STATUS_E_INVAL; |
| } |
| |
| } |
| |
| static void scm_scan_post_event(struct wlan_objmgr_vdev *vdev, |
| struct scan_event *event) |
| { |
| uint32_t i = 0; |
| struct wlan_scan_obj *scan; |
| struct pdev_scan_ev_handler *pdev_ev_handler; |
| struct cb_handler *cb_handlers; |
| struct scan_requester_info *requesters; |
| struct scan_event_listeners *listeners; |
| |
| if (!vdev || !event) { |
| scm_err("vdev: 0x%pK, event: 0x%pK", vdev, event); |
| return; |
| } |
| if (!event->requester) { |
| scm_err("invalid requester id"); |
| QDF_ASSERT(0); |
| } |
| scan = wlan_vdev_get_scan_obj(vdev); |
| pdev_ev_handler = wlan_vdev_get_pdev_scan_ev_handlers(vdev); |
| cb_handlers = &(pdev_ev_handler->cb_handlers[0]); |
| requesters = scan->requesters; |
| |
| scm_debug("vdev: %d, type: %d, reason: %d, freq: %d, req: %d, scanid: %d", |
| event->vdev_id, event->type, event->reason, event->chan_freq, |
| event->requester, event->scan_id); |
| |
| listeners = qdf_mem_malloc_atomic(sizeof(*listeners)); |
| if (!listeners) { |
| scm_warn("couldn't allocate listeners list"); |
| return; |
| } |
| |
| /* initialize number of listeners */ |
| listeners->count = 0; |
| |
| /* |
| * Initiator of scan request decides which all scan events |
| * he is interested in and FW will send only those scan events |
| * to host driver. |
| * All the events received by scan module will be notified |
| * to all registered handlers. |
| */ |
| |
| qdf_spin_lock_bh(&scan->lock); |
| /* find all global scan event handlers on this pdev */ |
| scm_scan_get_pdev_global_event_handlers(listeners, pdev_ev_handler); |
| /* find owner who triggered this scan request */ |
| scm_scan_get_requester_event_handler(listeners, requesters, |
| event->requester); |
| qdf_spin_unlock_bh(&scan->lock); |
| |
| /* notify all interested handlers */ |
| for (i = 0; i < listeners->count; i++) { |
| scm_debug("func: 0x%pK, arg: 0x%pK", |
| listeners->cb[i].func, listeners->cb[i].arg); |
| listeners->cb[i].func(vdev, event, listeners->cb[i].arg); |
| } |
| qdf_mem_free(listeners); |
| } |
| |
| static QDF_STATUS |
| scm_release_serialization_command(struct wlan_objmgr_vdev *vdev, |
| uint32_t scan_id) |
| { |
| struct wlan_serialization_queued_cmd_info cmd = {0}; |
| |
| cmd.requestor = WLAN_UMAC_COMP_SCAN; |
| cmd.cmd_type = WLAN_SER_CMD_SCAN; |
| cmd.cmd_id = scan_id; |
| cmd.req_type = WLAN_SER_CANCEL_SINGLE_SCAN; |
| cmd.vdev = vdev; |
| cmd.queue_type = WLAN_SERIALIZATION_ACTIVE_QUEUE; |
| |
| /* Inform serialization for command completion */ |
| wlan_serialization_remove_cmd(&cmd); |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| static QDF_STATUS |
| scm_post_internal_scan_complete_event(struct scan_start_request *req, |
| enum scan_completion_reason reason) |
| { |
| struct scan_event event = {0, }; |
| |
| /* prepare internal scan complete event */ |
| event.type = SCAN_EVENT_TYPE_COMPLETED; |
| event.reason = reason; |
| event.chan_freq = 0; /* Invalid frequency */ |
| event.vdev_id = req->scan_req.vdev_id; |
| event.requester = req->scan_req.scan_req_id; |
| event.scan_id = req->scan_req.scan_id; |
| /* Fill scan_start_request used to trigger this scan */ |
| event.scan_start_req = req; |
| /* post scan event to registered handlers */ |
| scm_scan_post_event(req->vdev, &event); |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| static inline struct pdev_scan_info * |
| scm_scan_get_pdev_priv_info(uint8_t pdev_id, struct wlan_scan_obj *scan_obj) |
| { |
| return &scan_obj->pdev_info[pdev_id]; |
| } |
| |
| static QDF_STATUS |
| scm_update_last_scan_time(struct scan_start_request *req) |
| { |
| uint8_t pdev_id; |
| struct wlan_scan_obj *scan_obj; |
| struct pdev_scan_info *pdev_scan_info; |
| |
| scan_obj = wlan_vdev_get_scan_obj(req->vdev); |
| pdev_id = wlan_scan_vdev_get_pdev_id(req->vdev); |
| pdev_scan_info = scm_scan_get_pdev_priv_info(pdev_id, scan_obj); |
| /* update last scan start time */ |
| pdev_scan_info->last_scan_time = qdf_system_ticks(); |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| static QDF_STATUS |
| scm_activate_scan_request(struct scan_start_request *req) |
| { |
| QDF_STATUS status; |
| |
| status = tgt_scan_start(req); |
| if (status != QDF_STATUS_SUCCESS) { |
| scm_err("tgt_scan_start failed, status: %d", status); |
| /* scan could not be started and hence |
| * we will not receive any completions. |
| * post scan cancelled |
| */ |
| scm_post_internal_scan_complete_event(req, |
| SCAN_REASON_CANCELLED); |
| return status; |
| } |
| /* save last scan start time */ |
| status = scm_update_last_scan_time(req); |
| |
| return status; |
| } |
| |
| static QDF_STATUS |
| scm_cancel_scan_request(struct scan_start_request *req) |
| { |
| struct scan_cancel_request cancel_req = {0, }; |
| QDF_STATUS status; |
| |
| cancel_req.vdev = req->vdev; |
| cancel_req.cancel_req.scan_id = req->scan_req.scan_id; |
| cancel_req.cancel_req.requester = req->scan_req.scan_req_id; |
| cancel_req.cancel_req.req_type = WLAN_SCAN_CANCEL_SINGLE; |
| cancel_req.cancel_req.vdev_id = req->scan_req.vdev_id; |
| /* send scan cancel to fw */ |
| status = tgt_scan_cancel(&cancel_req); |
| if (status != QDF_STATUS_SUCCESS) |
| scm_err("tgt_scan_cancel failed: status: %d, scanid: %d", |
| status, req->scan_req.scan_id); |
| /* notify event handler about scan cancellation */ |
| scm_post_internal_scan_complete_event(req, SCAN_REASON_CANCELLED); |
| |
| return status; |
| } |
| |
| static QDF_STATUS |
| scm_scan_serialize_callback(struct wlan_serialization_command *cmd, |
| enum wlan_serialization_cb_reason reason) |
| { |
| struct scan_start_request *req; |
| QDF_STATUS status; |
| |
| if (!cmd) { |
| scm_err("cmd is NULL, reason: %d", reason); |
| QDF_ASSERT(0); |
| return QDF_STATUS_E_NULL_VALUE; |
| } |
| |
| if (!cmd->umac_cmd) { |
| scm_err("cmd->umac_cmd is NULL , reason: %d", reason); |
| QDF_ASSERT(0); |
| return QDF_STATUS_E_NULL_VALUE; |
| } |
| |
| req = cmd->umac_cmd; |
| scm_debug("reason:%d, reqid:%d, scanid:%d, vdevid:%d, vdev:0x%pK", |
| reason, req->scan_req.scan_req_id, req->scan_req.scan_id, |
| req->scan_req.vdev_id, req->vdev); |
| |
| if (!req->vdev) { |
| scm_err("NULL vdev. req:0x%pK, reason:%d\n", req, reason); |
| QDF_ASSERT(0); |
| return QDF_STATUS_E_NULL_VALUE; |
| } |
| |
| switch (reason) { |
| case WLAN_SER_CB_ACTIVATE_CMD: |
| /* command moved to active list |
| * modify the params if required for concurency case. |
| */ |
| status = scm_activate_scan_request(req); |
| break; |
| |
| case WLAN_SER_CB_CANCEL_CMD: |
| /* command removed from pending list. |
| * notify registered scan event handlers with |
| * status completed and reason cancelled. |
| */ |
| status = scm_post_internal_scan_complete_event(req, |
| SCAN_REASON_CANCELLED); |
| break; |
| |
| case WLAN_SER_CB_ACTIVE_CMD_TIMEOUT: |
| /* active command timed out. |
| * prepare internal scan cancel request |
| */ |
| status = scm_cancel_scan_request(req); |
| break; |
| |
| case WLAN_SER_CB_RELEASE_MEM_CMD: |
| /* command successfully completed. |
| * Release vdev reference and free scan_start_request memory |
| */ |
| cmd->umac_cmd = NULL; |
| wlan_objmgr_vdev_release_ref(req->vdev, WLAN_SCAN_ID); |
| status = scm_scan_free_scan_request_mem(req); |
| break; |
| |
| default: |
| /* Do nothing but logging */ |
| QDF_ASSERT(0); |
| status = QDF_STATUS_E_INVAL; |
| break; |
| } |
| |
| return status; |
| } |
| |
| QDF_STATUS |
| scm_scan_start_req(struct scheduler_msg *msg) |
| { |
| struct wlan_serialization_command cmd = {0, }; |
| enum wlan_serialization_status ser_cmd_status; |
| struct scan_start_request *req = NULL; |
| struct wlan_scan_obj *scan_obj; |
| struct scan_vdev_obj *scan_vdev_priv_obj; |
| QDF_STATUS status = QDF_STATUS_SUCCESS; |
| |
| if (!msg) { |
| scm_err("msg received is NULL"); |
| QDF_ASSERT(0); |
| return QDF_STATUS_E_NULL_VALUE; |
| } |
| if (!msg->bodyptr) { |
| scm_err("bodyptr is NULL"); |
| QDF_ASSERT(0); |
| return QDF_STATUS_E_NULL_VALUE; |
| } |
| |
| req = msg->bodyptr; |
| scan_obj = wlan_vdev_get_scan_obj(req->vdev); |
| if (!scan_obj) { |
| scm_debug("Couldn't find scan object"); |
| status = QDF_STATUS_E_NULL_VALUE; |
| goto err; |
| } |
| |
| cmd.cmd_type = WLAN_SER_CMD_SCAN; |
| cmd.cmd_id = req->scan_req.scan_id; |
| cmd.cmd_cb = (wlan_serialization_cmd_callback) |
| scm_scan_serialize_callback; |
| cmd.umac_cmd = req; |
| cmd.source = WLAN_UMAC_COMP_SCAN; |
| cmd.is_high_priority = false; |
| cmd.cmd_timeout_duration = req->scan_req.max_scan_time + |
| SCAN_TIMEOUT_GRACE_PERIOD; |
| cmd.vdev = req->vdev; |
| |
| if (scan_obj->disable_timeout) |
| cmd.cmd_timeout_duration = 0; |
| |
| scm_debug("req: 0x%pK, reqid: %d, scanid: %d, vdevid: %d", |
| req, req->scan_req.scan_req_id, req->scan_req.scan_id, |
| req->scan_req.vdev_id); |
| |
| scan_vdev_priv_obj = wlan_get_vdev_scan_obj(req->vdev); |
| if (!scan_vdev_priv_obj) { |
| scm_debug("Couldn't find scan priv object"); |
| status = QDF_STATUS_E_NULL_VALUE; |
| goto err; |
| } |
| if (scan_vdev_priv_obj->is_vdev_delete_in_progress) { |
| scm_err("Can't allow scan on vdev_id:%d", |
| wlan_vdev_get_id(req->vdev)); |
| status = QDF_STATUS_E_NULL_VALUE; |
| goto err; |
| } |
| ser_cmd_status = wlan_serialization_request(&cmd); |
| scm_debug("wlan_serialization_request status:%d", ser_cmd_status); |
| |
| switch (ser_cmd_status) { |
| case WLAN_SER_CMD_PENDING: |
| /* command moved to pending list.Do nothing */ |
| break; |
| case WLAN_SER_CMD_ACTIVE: |
| /* command moved to active list. Do nothing */ |
| break; |
| case WLAN_SER_CMD_DENIED_LIST_FULL: |
| case WLAN_SER_CMD_DENIED_RULES_FAILED: |
| case WLAN_SER_CMD_DENIED_UNSPECIFIED: |
| /* notify registered scan event handlers |
| * about internal error |
| */ |
| scm_post_internal_scan_complete_event(req, |
| SCAN_REASON_INTERNAL_FAILURE); |
| goto err; |
| default: |
| QDF_ASSERT(0); |
| status = QDF_STATUS_E_INVAL; |
| goto err; |
| } |
| |
| return status; |
| err: |
| /* |
| * cmd can't be serviced. |
| * release vdev reference and free scan_start_request memory |
| */ |
| if (req) { |
| wlan_objmgr_vdev_release_ref(req->vdev, WLAN_SCAN_ID); |
| scm_scan_free_scan_request_mem(req); |
| } |
| |
| return status; |
| } |
| |
| static inline enum wlan_serialization_cancel_type |
| get_serialization_cancel_type(enum scan_cancel_req_type type) |
| { |
| enum wlan_serialization_cancel_type serialization_type; |
| |
| switch (type) { |
| case WLAN_SCAN_CANCEL_SINGLE: |
| serialization_type = WLAN_SER_CANCEL_SINGLE_SCAN; |
| break; |
| case WLAN_SCAN_CANCEL_VDEV_ALL: |
| serialization_type = WLAN_SER_CANCEL_VDEV_SCANS; |
| break; |
| case WLAN_SCAN_CANCEL_PDEV_ALL: |
| serialization_type = WLAN_SER_CANCEL_PDEV_SCANS; |
| break; |
| default: |
| QDF_ASSERT(0); |
| scm_warn("invalid scan_cancel_req_type: %d", type); |
| serialization_type = WLAN_SER_CANCEL_PDEV_SCANS; |
| break; |
| } |
| |
| return serialization_type; |
| } |
| |
| QDF_STATUS |
| scm_scan_cancel_req(struct scheduler_msg *msg) |
| { |
| struct wlan_serialization_queued_cmd_info cmd = {0,}; |
| struct wlan_serialization_command ser_cmd = {0,}; |
| enum wlan_serialization_cmd_status ser_cmd_status; |
| struct scan_cancel_request *req; |
| QDF_STATUS status = QDF_STATUS_SUCCESS; |
| |
| if (!msg) { |
| scm_err("msg received is NULL"); |
| QDF_ASSERT(0); |
| return QDF_STATUS_E_NULL_VALUE; |
| } |
| if (!msg->bodyptr) { |
| scm_err("Bodyptr is NULL"); |
| QDF_ASSERT(0); |
| return QDF_STATUS_E_NULL_VALUE; |
| } |
| |
| req = msg->bodyptr; |
| /* |
| * If requester wants to wait for target scan cancel event |
| * instead of internally generated cancel event, just check |
| * which queue this scan request belongs to and send scan |
| * cancel request to FW accordingly. |
| * Else generate internal scan cancel event and notify |
| * handlers and free scan request resources. |
| */ |
| if (req->wait_tgt_cancel && |
| (req->cancel_req.req_type == WLAN_SCAN_CANCEL_SINGLE)) { |
| ser_cmd.cmd_type = WLAN_SER_CMD_SCAN; |
| ser_cmd.cmd_id = req->cancel_req.scan_id; |
| ser_cmd.cmd_cb = NULL; |
| ser_cmd.umac_cmd = NULL; |
| ser_cmd.source = WLAN_UMAC_COMP_SCAN; |
| ser_cmd.is_high_priority = false; |
| ser_cmd.vdev = req->vdev; |
| if (wlan_serialization_is_cmd_present_in_active_queue(NULL, &ser_cmd)) |
| ser_cmd_status = WLAN_SER_CMD_IN_ACTIVE_LIST; |
| else if (wlan_serialization_is_cmd_present_in_pending_queue(NULL, &ser_cmd)) |
| ser_cmd_status = WLAN_SER_CMD_IN_PENDING_LIST; |
| else |
| ser_cmd_status = WLAN_SER_CMD_NOT_FOUND; |
| } else { |
| cmd.requestor = 0; |
| cmd.cmd_type = WLAN_SER_CMD_SCAN; |
| cmd.cmd_id = req->cancel_req.scan_id; |
| cmd.vdev = req->vdev; |
| cmd.queue_type = WLAN_SERIALIZATION_ACTIVE_QUEUE | |
| WLAN_SERIALIZATION_PENDING_QUEUE; |
| cmd.req_type = get_serialization_cancel_type(req->cancel_req.req_type); |
| |
| ser_cmd_status = wlan_serialization_cancel_request(&cmd); |
| } |
| |
| scm_debug("status: %d, reqid: %d, scanid: %d, vdevid: %d, type: %d", |
| ser_cmd_status, req->cancel_req.requester, |
| req->cancel_req.scan_id, req->cancel_req.vdev_id, |
| req->cancel_req.req_type); |
| |
| switch (ser_cmd_status) { |
| case WLAN_SER_CMD_IN_PENDING_LIST: |
| /* do nothing */ |
| break; |
| case WLAN_SER_CMD_IN_ACTIVE_LIST: |
| case WLAN_SER_CMDS_IN_ALL_LISTS: |
| /* send wmi scan cancel to fw */ |
| status = tgt_scan_cancel(req); |
| break; |
| case WLAN_SER_CMD_NOT_FOUND: |
| /* do nothing */ |
| break; |
| default: |
| QDF_ASSERT(0); |
| status = QDF_STATUS_E_INVAL; |
| break; |
| } |
| |
| /* Release vdev reference and scan cancel request |
| * processing is complete |
| */ |
| wlan_objmgr_vdev_release_ref(req->vdev, WLAN_SCAN_ID); |
| /* Free cancel request memory */ |
| qdf_mem_free(req); |
| |
| return status; |
| } |
| |
| #ifdef FEATURE_WLAN_SCAN_PNO |
| static QDF_STATUS |
| scm_pno_event_handler(struct wlan_objmgr_vdev *vdev, |
| struct scan_event *event) |
| { |
| struct scan_vdev_obj *scan_vdev_obj; |
| struct wlan_scan_obj *scan_psoc_obj; |
| scan_event_handler pno_cb; |
| void *cb_arg; |
| |
| scan_vdev_obj = wlan_get_vdev_scan_obj(vdev); |
| scan_psoc_obj = wlan_vdev_get_scan_obj(vdev); |
| if (!scan_vdev_obj || !scan_psoc_obj) { |
| scm_err("null scan_vdev_obj %pK scan_obj %pK", |
| scan_vdev_obj, scan_psoc_obj); |
| return QDF_STATUS_E_INVAL; |
| } |
| |
| switch (event->type) { |
| case SCAN_EVENT_TYPE_NLO_COMPLETE: |
| if (!scan_vdev_obj->pno_match_evt_received) |
| return QDF_STATUS_SUCCESS; |
| qdf_wake_lock_release(&scan_psoc_obj->pno_cfg.pno_wake_lock, |
| WIFI_POWER_EVENT_WAKELOCK_PNO); |
| qdf_wake_lock_timeout_acquire( |
| &scan_psoc_obj->pno_cfg.pno_wake_lock, |
| SCAN_PNO_SCAN_COMPLETE_WAKE_LOCK_TIMEOUT); |
| scan_vdev_obj->pno_match_evt_received = false; |
| break; |
| case SCAN_EVENT_TYPE_NLO_MATCH: |
| scan_vdev_obj->pno_match_evt_received = true; |
| qdf_wake_lock_timeout_acquire( |
| &scan_psoc_obj->pno_cfg.pno_wake_lock, |
| SCAN_PNO_MATCH_WAKE_LOCK_TIMEOUT); |
| return QDF_STATUS_SUCCESS; |
| default: |
| return QDF_STATUS_E_INVAL; |
| } |
| qdf_spin_lock_bh(&scan_psoc_obj->lock); |
| pno_cb = scan_psoc_obj->pno_cfg.pno_cb.func; |
| cb_arg = scan_psoc_obj->pno_cfg.pno_cb.arg; |
| qdf_spin_unlock_bh(&scan_psoc_obj->lock); |
| |
| if (pno_cb) |
| pno_cb(vdev, event, cb_arg); |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| #else |
| |
| static QDF_STATUS |
| scm_pno_event_handler(struct wlan_objmgr_vdev *vdev, |
| struct scan_event *event) |
| { |
| return QDF_STATUS_SUCCESS; |
| } |
| #endif |
| |
| /** |
| * scm_scan_update_scan_event() - update scan event |
| * @scan: scan object |
| * @event: scan event |
| * @scan_start_req: scan_start_req used for triggering scan |
| * |
| * update scan params in scan event |
| * |
| * Return: QDF_STATUS |
| */ |
| static QDF_STATUS |
| scm_scan_update_scan_event(struct wlan_scan_obj *scan, |
| struct scan_event *event, |
| struct scan_start_request *scan_start_req) |
| { |
| if (!event) |
| return QDF_STATUS_E_NULL_VALUE; |
| |
| if (!scan || !scan_start_req) { |
| event->scan_start_req = NULL; |
| return QDF_STATUS_E_NULL_VALUE; |
| } |
| /* copy scan start request to pass back buffer */ |
| qdf_mem_copy(&scan->scan_start_request_buff, scan_start_req, |
| sizeof(struct scan_start_request)); |
| /* reset all pointers */ |
| scan->scan_start_request_buff.scan_req.extraie.ptr = NULL; |
| scan->scan_start_request_buff.scan_req.extraie.len = 0; |
| scan->scan_start_request_buff.scan_req.htcap.ptr = NULL; |
| scan->scan_start_request_buff.scan_req.htcap.len = 0; |
| scan->scan_start_request_buff.scan_req.vhtcap.ptr = NULL; |
| scan->scan_start_request_buff.scan_req.vhtcap.len = 0; |
| |
| event->scan_start_req = &scan->scan_start_request_buff; |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| QDF_STATUS |
| scm_scan_event_handler(struct scheduler_msg *msg) |
| { |
| struct wlan_objmgr_vdev *vdev; |
| struct scan_event *event; |
| struct scan_event_info *event_info; |
| struct wlan_serialization_command cmd = {0,}; |
| struct wlan_serialization_command *queued_cmd; |
| struct scan_start_request *scan_start_req; |
| struct wlan_scan_obj *scan; |
| |
| if (!msg) { |
| scm_err("NULL msg received "); |
| QDF_ASSERT(0); |
| return QDF_STATUS_E_NULL_VALUE; |
| } |
| if (!msg->bodyptr) { |
| scm_err("NULL scan event received"); |
| QDF_ASSERT(0); |
| return QDF_STATUS_E_NULL_VALUE; |
| } |
| |
| event_info = msg->bodyptr; |
| vdev = event_info->vdev; |
| event = &(event_info->event); |
| |
| scm_debug("vdevid:%d, type:%d, reason:%d, freq:%d, reqstr:%d, scanid:%d", |
| event->vdev_id, event->type, event->reason, event->chan_freq, |
| event->requester, event->scan_id); |
| /* |
| * NLO requests are never queued, so post NLO events |
| * without checking for their presence in active queue. |
| */ |
| switch (event->type) { |
| case SCAN_EVENT_TYPE_NLO_COMPLETE: |
| case SCAN_EVENT_TYPE_NLO_MATCH: |
| scm_pno_event_handler(vdev, event); |
| goto exit; |
| default: |
| break; |
| } |
| |
| cmd.cmd_type = WLAN_SER_CMD_SCAN; |
| cmd.cmd_id = event->scan_id; |
| cmd.cmd_cb = NULL; |
| cmd.umac_cmd = NULL; |
| cmd.source = WLAN_UMAC_COMP_SCAN; |
| cmd.is_high_priority = false; |
| cmd.vdev = vdev; |
| if (!wlan_serialization_is_cmd_present_in_active_queue(NULL, &cmd)) { |
| /* |
| * We received scan event for an already completed/cancelled |
| * scan request. Drop this event. |
| */ |
| scm_warn("Received scan event while request not in active queue"); |
| goto exit; |
| } |
| |
| /* Fill scan_start_request used to trigger this scan */ |
| queued_cmd = wlan_serialization_get_scan_cmd_using_scan_id( |
| wlan_vdev_get_psoc(vdev), wlan_vdev_get_id(vdev), |
| event->scan_id, true); |
| |
| if (!queued_cmd) { |
| scm_err("NULL queued_cmd"); |
| goto exit; |
| } |
| if (!queued_cmd->umac_cmd) { |
| scm_err("NULL umac_cmd"); |
| goto exit; |
| } |
| scan_start_req = queued_cmd->umac_cmd; |
| |
| if (scan_start_req->scan_req.scan_req_id != event->requester) { |
| scm_err("req ID mismatch, scan_req_id:%d, event_req_id:%d", |
| scan_start_req->scan_req.scan_req_id, |
| event->requester); |
| goto exit; |
| } |
| |
| scan = wlan_vdev_get_scan_obj(vdev); |
| if (scan) |
| scm_scan_update_scan_event(scan, event, scan_start_req); |
| |
| switch (event->type) { |
| case SCAN_EVENT_TYPE_COMPLETED: |
| if (event->reason == SCAN_REASON_COMPLETED) |
| scm_11d_decide_country_code(vdev); |
| /* fall through to release the command */ |
| case SCAN_EVENT_TYPE_START_FAILED: |
| case SCAN_EVENT_TYPE_DEQUEUED: |
| scm_release_serialization_command(vdev, event->scan_id); |
| break; |
| default: |
| break; |
| } |
| |
| /* Notify all interested parties */ |
| scm_scan_post_event(vdev, event); |
| |
| exit: |
| /* free event info memory */ |
| qdf_mem_free(event_info); |
| wlan_objmgr_vdev_release_ref(vdev, WLAN_SCAN_ID); |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| QDF_STATUS scm_scan_event_flush_callback(struct scheduler_msg *msg) |
| { |
| struct wlan_objmgr_vdev *vdev; |
| struct scan_event_info *event_info; |
| |
| if (!msg || !msg->bodyptr) { |
| scm_err("msg or msg->bodyptr is NULL"); |
| return QDF_STATUS_E_NULL_VALUE; |
| } |
| |
| event_info = msg->bodyptr; |
| vdev = event_info->vdev; |
| |
| /* free event info memory */ |
| qdf_mem_free(event_info); |
| wlan_objmgr_vdev_release_ref(vdev, WLAN_SCAN_ID); |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| QDF_STATUS scm_bcn_probe_flush_callback(struct scheduler_msg *msg) |
| { |
| struct scan_bcn_probe_event *bcn; |
| |
| bcn = msg->bodyptr; |
| |
| if (!bcn) { |
| scm_err("bcn is NULL"); |
| return QDF_STATUS_E_NULL_VALUE; |
| } |
| if (bcn->psoc) |
| wlan_objmgr_psoc_release_ref(bcn->psoc, WLAN_SCAN_ID); |
| if (bcn->rx_data) |
| qdf_mem_free(bcn->rx_data); |
| if (bcn->buf) |
| qdf_nbuf_free(bcn->buf); |
| qdf_mem_free(bcn); |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| QDF_STATUS scm_scan_start_flush_callback(struct scheduler_msg *msg) |
| { |
| struct scan_start_request *req; |
| |
| if (!msg || !msg->bodyptr) { |
| scm_err("msg or msg->bodyptr is NULL"); |
| return QDF_STATUS_E_NULL_VALUE; |
| } |
| |
| req = msg->bodyptr; |
| scm_post_internal_scan_complete_event(req, SCAN_REASON_CANCELLED); |
| wlan_objmgr_vdev_release_ref(req->vdev, WLAN_SCAN_ID); |
| scm_scan_free_scan_request_mem(req); |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| QDF_STATUS scm_scan_cancel_flush_callback(struct scheduler_msg *msg) |
| { |
| struct scan_cancel_request *req; |
| |
| if (!msg || !msg->bodyptr) { |
| scm_err("msg or msg->bodyptr is NULL"); |
| return QDF_STATUS_E_NULL_VALUE; |
| } |
| |
| req = msg->bodyptr; |
| wlan_objmgr_vdev_release_ref(req->vdev, WLAN_SCAN_ID); |
| /* Free cancel request memory */ |
| qdf_mem_free(req); |
| |
| return QDF_STATUS_SUCCESS; |
| } |