diff options
| author | Arik Nemtsov <arik@wizery.com> | 2012-03-03 22:18:00 +0200 |
|---|---|---|
| committer | Luciano Coelho <coelho@ti.com> | 2012-03-08 14:25:18 +0200 |
| commit | 55df5afb13718cda49128fa5985556df91d07765 (patch) | |
| tree | bb6c9279e12b90af623ba6ea4b17ea85f679e251 /drivers/net/wireless/wl12xx/tx.c | |
| parent | 8ccd16e6cb17a1e961617cc67798bbb222e4cd13 (diff) | |
wl12xx: implement SW Tx watchdog
Track freed FW blocks during Tx. If no blocks were freed during a
predefined timeout, initiate a HW recovery. This helps in situations
when the FW watchdog fails.
Don't trigger recovery during activities that can temporarily stop
Tx. This includes:
- scanning
- buffering packets for sleeping stations (AP role)
- ROC on any role
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
Diffstat (limited to 'drivers/net/wireless/wl12xx/tx.c')
| -rw-r--r-- | drivers/net/wireless/wl12xx/tx.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/tx.c b/drivers/net/wireless/wl12xx/tx.c index 8f78fddcb723..43ae49143d68 100644 --- a/drivers/net/wireless/wl12xx/tx.c +++ b/drivers/net/wireless/wl12xx/tx.c @@ -226,6 +226,10 @@ static int wl1271_tx_allocate(struct wl1271 *wl, struct wl12xx_vif *wlvif, wl->tx_blocks_available -= total_blocks; wl->tx_allocated_blocks += total_blocks; + /* If the FW was empty before, arm the Tx watchdog */ + if (wl->tx_allocated_blocks == total_blocks) + wl12xx_rearm_tx_watchdog_locked(wl); + ac = wl1271_tx_get_queue(skb_get_queue_mapping(skb)); wl->tx_allocated_pkts[ac]++; |