diff options
Diffstat (limited to 'drivers/net/wireless/microchip/wilc1000/netdev.c')
| -rw-r--r-- | drivers/net/wireless/microchip/wilc1000/netdev.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/net/wireless/microchip/wilc1000/netdev.c b/drivers/net/wireless/microchip/wilc1000/netdev.c index e9f59de31b0b..91d71e0f7ef2 100644 --- a/drivers/net/wireless/microchip/wilc1000/netdev.c +++ b/drivers/net/wireless/microchip/wilc1000/netdev.c @@ -148,8 +148,8 @@ static int wilc_txq_task(void *vp) complete(&wl->txq_thread_started); while (1) { - wait_for_completion(&wl->txq_event); - + if (wait_for_completion_interruptible(&wl->txq_event)) + continue; if (wl->close) { complete(&wl->txq_thread_started); @@ -166,12 +166,24 @@ static int wilc_txq_task(void *vp) srcu_idx = srcu_read_lock(&wl->srcu); list_for_each_entry_rcu(ifc, &wl->vif_list, list) { - if (ifc->mac_opened && ifc->ndev) + if (ifc->mac_opened && + netif_queue_stopped(ifc->ndev)) netif_wake_queue(ifc->ndev); } srcu_read_unlock(&wl->srcu, srcu_idx); } - } while (ret == WILC_VMM_ENTRY_FULL_RETRY && !wl->close); + if (ret != WILC_VMM_ENTRY_FULL_RETRY) + break; + /* Back off TX task from sending packets for some time. + * msleep_interruptible will allow RX task to run and + * free buffers. TX task will be in TASK_INTERRUPTIBLE + * state which will put the thread back to CPU running + * queue when it's signaled even if the timeout isn't + * elapsed. This gives faster chance for reserved SK + * buffers to be free. + */ + msleep_interruptible(TX_BACKOFF_WEIGHT_MS); + } while (!wl->close); } return 0; } |