virtio-net: clean tx descriptors from rx napi

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Amortize the cost of virtual interrupts by doing both rx and tx work
on reception of a receive interrupt if tx napi is enabled. With
VIRTIO_F_EVENT_IDX, this suppresses most explicit tx completion
interrupts for bidirectional workloads.

Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Willem de Bruijn 2017-04-24 13:49:29 -04:00 • committed by David S. Miller

parent ea7735d97b

commit 7b0411ef4a

1 changed files with 21 additions and 0 deletions

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drivers/net/virtio_net.c

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