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net: ethernet: ti: cpsw: wake tx queues on ndo_tx_timeout 

In case, if TX watchdog is fired some or all netdev TX queues will be
stopped and as part of recovery it is required not only to drain and
reinitailize CPSW TX channeles, but also wake up stoppted TX queues what
doesn't happen now and netdevice will stop transmiting data until
reopenned.

Hence, add netif_tx_wake_all_queues() call in .ndo_tx_timeout() to complete
recovery and restore TX path.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Grygorii Strashko 2017-03-31 18:41:23 -05:00 committed by David S. Miller
parent e5c1e51980
commit 75514b6654
1 changed files with 2 additions and 0 deletions
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2
drivers/net/ethernet/ti/cpsw.c
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@ -1817,6 +1817,8 @@ static void cpsw_ndo_tx_timeout(struct net_device *ndev)
} }
cpsw_intr_enable(cpsw); cpsw_intr_enable(cpsw);
netif_trans_update(ndev);
netif_tx_wake_all_queues(ndev);
} }
static int cpsw_ndo_set_mac_address(struct net_device *ndev, void *p) static int cpsw_ndo_set_mac_address(struct net_device *ndev, void *p)