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qcacld-3.0: Do recovery/assert on vdev delete/start if bss started

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In wma_vdev_detach(), ignore vdev delete request at present if it is
received before VDEV_STOP and VDEV_DOWN which results in fw assert on
VDEV_START as no VDEV_DELETE is present before VDEV_START on the same vdev.

Do cds recovery or assert on vdev deletion or on vdev start if BSS
is already in started state and no VDEV_STOP is queued in the queue.

Change-Id: I273e6240840e7a0a54c2d7ad3de12c8a30d42a18
CRs-Fixed: 2164701
This commit is contained in:
Himanshu Agarwal 2017-12-28 21:46:29 +05:30 • committed by snandini
commit fc4dab9c75
1 changed files with 34 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

37
core/wma/src/wma_dev_if.c
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013-2017 The Linux Foundation. All rights reserved.
* Copyright (c) 2013-2018 The Linux Foundation. All rights reserved.
*
* Previously licensed under the ISC license by Qualcomm Atheros, Inc.
*
@ -708,8 +708,18 @@ QDF_STATUS wma_vdev_detach(tp_wma_handle wma_handle,
return status;
send_fail_rsp:
WMA_LOGE("rcvd del_self_sta without del_bss, send fail rsp, vdev_id %d",
vdev_id);
if (!cds_is_driver_recovering()) {
if (cds_is_self_recovery_enabled()) {
WMA_LOGE("rcvd del_self_sta without del_bss, trigger recovery, vdev_id %d",
vdev_id);
cds_trigger_recovery(QDF_REASON_UNSPECIFIED);
} else {
WMA_LOGE("rcvd del_self_sta without del_bss, BUG_ON(), vdev_id %d",
vdev_id);
QDF_BUG(0);
}
}
pdel_sta_self_req_param->status = QDF_STATUS_E_FAILURE;
wma_send_del_sta_self_resp(pdel_sta_self_req_param);
return status;
@ -2349,6 +2359,8 @@ QDF_STATUS wma_vdev_start(tp_wma_handle wma,
uint32_t temp_reg_info_1 = 0;
uint32_t temp_reg_info_2 = 0;
uint16_t bw_val;
struct wma_txrx_node *iface = &wma->interfaces[req->vdev_id];
struct wma_target_req *req_msg;
mac_ctx = cds_get_context(QDF_MODULE_ID_PE);
if (mac_ctx == NULL) {
@ -2356,6 +2368,25 @@ QDF_STATUS wma_vdev_start(tp_wma_handle wma,
return QDF_STATUS_E_FAILURE;
}
if (!isRestart &&
qdf_atomic_read(&iface->bss_status) == WMA_BSS_STATUS_STARTED) {
req_msg = wma_find_vdev_req(wma, req->vdev_id,
WMA_TARGET_REQ_TYPE_VDEV_STOP,
false);
if (!req_msg || req_msg->msg_type != WMA_DELETE_BSS_REQ) {
if (!cds_is_driver_recovering()) {
if (cds_is_self_recovery_enabled()) {
WMA_LOGE("BSS is in started state before vdev start, trigger recovery");
cds_trigger_recovery(
QDF_REASON_UNSPECIFIED);
} else {
WMA_LOGE("BSS is in started state before vdev start, BUG_ON()");
QDF_BUG(0);
}
}
}
}
WMA_LOGD("%s: Enter isRestart=%d vdev=%d", __func__, isRestart,
req->vdev_id);
params.vdev_id = req->vdev_id;