samsung-sm8650/android_kernel_samsung_sm8650-modules
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

qcacld-3.0: Schedule work for peer_unmap_timer_handler actions

Browse Source 
Mutex cannot be used when peer_unmap_timer_handler() calls
cds_trigger_recover() because it runs in soft_irq. Schedule work
to perform the recovery instead.

CRs-Fixed: 2060775
Change-Id: I9a9554ef0aa9288bf5abe22cd2513d8cc41c29d4
This commit is contained in:
Deepak Dhamdhere
2017-06-14 18:04:53 -07:00
committed by snandini
parent 5f0ae149d9
commit 64bfe97415
3 changed files with 26 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
core/dp/txrx/ol_txrx.c
View File

@@ -3333,8 +3333,26 @@ static QDF_STATUS ol_txrx_clear_peer(struct cdp_pdev *ppdev, uint8_t sta_id)
}
void peer_unmap_timer_work_function(void *param)
{
WMA_LOGE("Enter: %s", __func__);
/*
* wma_peer_debug_dump() will be replaced with a new routine.
* Add the equivalent of wma_peer_debug_dump() when available.
*/
if (cds_is_self_recovery_enabled()) {
if (!cds_is_driver_recovering())
cds_trigger_recovery(false);
else
WMA_LOGE("%s: Recovery is in progress, ignore!",
__func__);
} else {
QDF_BUG(0);
}
}
/**
* peer_unmap_timer() - peer unmap timer function
* peer_unmap_timer_handler() - peer unmap timer function
* @data: peer object pointer
*
* Return: none
@@ -3342,6 +3360,7 @@ static QDF_STATUS ol_txrx_clear_peer(struct cdp_pdev *ppdev, uint8_t sta_id)
void peer_unmap_timer_handler(void *data)
{
ol_txrx_peer_handle peer = (ol_txrx_peer_handle)data;
ol_txrx_pdev_handle txrx_pdev = cds_get_context(QDF_MODULE_ID_TXRX);
ol_txrx_err("all unmap events not received for peer %p, ref_cnt %d",
peer, qdf_atomic_read(&peer->ref_cnt));
@@ -3351,10 +3370,10 @@ void peer_unmap_timer_handler(void *data)
peer->mac_addr.raw[2], peer->mac_addr.raw[3],
peer->mac_addr.raw[4], peer->mac_addr.raw[5]);
if (!cds_is_driver_recovering()) {
/*
* Add the equivalent of wma_peer_debug_dump() when available.
*/
QDF_BUG(0);
qdf_create_work(0, &txrx_pdev->peer_unmap_timer_work,
peer_unmap_timer_work_function,
NULL);
qdf_sched_work(0, &txrx_pdev->peer_unmap_timer_work);
} else {
ol_txrx_err("Recovery is in progress, ignore!");
}

1
core/dp/txrx/ol_txrx.h
View File

@@ -128,6 +128,7 @@ void *ol_txrx_find_peer_by_addr(struct cdp_pdev *pdev,
uint8_t *peer_id);
void htt_pkt_log_init(struct cdp_pdev *pdev_handle, void *scn);
void peer_unmap_timer_work_function(void *);
void peer_unmap_timer_handler(void *data);
#endif /* _OL_TXRX__H_ */

1
core/dp/txrx/ol_txrx_types.h
View File

@@ -974,6 +974,7 @@ struct ol_txrx_pdev_t {
qdf_atomic_t lro_dev_cnt;
} lro_info;
struct ol_txrx_peer_t *self_peer;
qdf_work_t peer_unmap_timer_work;
};
struct ol_txrx_vdev_t {