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qcacmn: Block all new scan during suspend mode

Browse source 
After driver suspend some thread can still queue scan req
which will cause scan during suspend and WOW_ENABLE received
while SCAN in progress.

TO avoid this block all new scan during suspend.

Change-Id: I02ddc9b5e6ba5f1782d00e34f044ace34c54d0b0
CRs-Fixed: 2343385
This commit is contained in:
Abhinav Kumar 2018-11-14 11:56:47 +05:30 • committed by nshrivas
commit 45cff82c5f
2 changed files with 22 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

33
umac/scan/core/src/wlan_scan_manager.c
View file

@ -396,6 +396,26 @@ scm_scan_start_req(struct scheduler_msg *msg)
goto err;
}
if (!scan_obj->enable_scan) {
scm_err("scan disabled, rejecting the scan req");
status = QDF_STATUS_E_NULL_VALUE;
goto err;
}
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;
}
cmd.cmd_type = WLAN_SER_CMD_SCAN;
cmd.cmd_id = req->scan_req.scan_id;
cmd.cmd_cb = (wlan_serialization_cmd_callback)
@ -414,19 +434,6 @@ scm_scan_start_req(struct scheduler_msg *msg)
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;
}
qdf_mtrace(QDF_MODULE_ID_SCAN, QDF_MODULE_ID_SERIALIZATION,
WLAN_SER_CMD_SCAN, req->vdev->vdev_objmgr.vdev_id,
req->scan_req.scan_id);

2
umac/scan/dispatcher/src/wlan_scan_ucfg_api.c
View file

@ -2058,6 +2058,7 @@ ucfg_scan_suspend_handler(struct wlan_objmgr_psoc *psoc, void *arg)
QDF_STATUS status = QDF_STATUS_SUCCESS;
int i;
ucfg_scan_set_enable(psoc, false);
/* Check all pdev */
for (i = 0; i < WLAN_UMAC_MAX_PDEVS; i++) {
pdev = wlan_objmgr_get_pdev_by_id(psoc, i, WLAN_SCAN_ID);
@ -2079,6 +2080,7 @@ ucfg_scan_suspend_handler(struct wlan_objmgr_psoc *psoc, void *arg)
static QDF_STATUS
ucfg_scan_resume_handler(struct wlan_objmgr_psoc *psoc, void *arg)
{
ucfg_scan_set_enable(psoc, true);
return QDF_STATUS_SUCCESS;
}