net: ethernet: ti: cpsw: wake tx queues on ndo_tx_timeout
authorGrygorii Strashko <grygorii.strashko@ti.com>
Fri, 31 Mar 2017 23:41:23 +0000 (18:41 -0500)
committerDavid S. Miller <davem@davemloft.net>
Mon, 3 Apr 2017 02:42:44 +0000 (19:42 -0700)
commit75514b6654859e0130b512396dc964d2a9e84967
tree85886bc2ed8ab11f1c27ba05ad0280b0dbe7326e
parente5c1e5198068ed896a8a80b8ed9e202bbab18851
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>
drivers/net/ethernet/ti/cpsw.c