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authorEric Dumazet <edumazet@google.com>2014-10-06 09:30:35 -0700
committerDavid S. Miller <davem@davemloft.net>2014-10-07 13:20:39 -0400
commitfe971b95c22578456ff7198537827841c726d3f7 (patch)
tree8819ad6ad894239f2e5f1faad4dc3c21a592c34c /net/sched
parentnet: bcmgenet: fix Tx ring priority programming (diff)
downloadlinux-dev-fe971b95c22578456ff7198537827841c726d3f7.tar.xz
linux-dev-fe971b95c22578456ff7198537827841c726d3f7.zip
net/mlx4_en: remove NETDEV_TX_BUSY
Drivers should avoid NETDEV_TX_BUSY as much as possible. They should stop the tx queue before qdisc even tries to push another packet, to avoid requeues. For a driver supporting skb->xmit_more, this is likely to be a prereq anyway, otherwise we could have a tx deadlock : We need to force a doorbell if TX ring is full. Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched')
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