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| author | Jesper Dangaard Brouer <brouer@redhat.com> | 2018-05-31 11:00:08 +0200 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2018-06-03 08:11:34 -0700 |
| commit | 5d274cb4bbae481161737a1f652e276883d3d970 (patch) | |
| tree | 34177ed99c06dc87e4841e963ee00b5ea7d3a22b /drivers/net/virtio_net.c | |
| parent | 0c9d917b7d74b758af1b4e37996af48d95b2ef33 (diff) | |
| download | linux-5d274cb4bbae481161737a1f652e276883d3d970.tar.gz linux-5d274cb4bbae481161737a1f652e276883d3d970.tar.bz2 linux-5d274cb4bbae481161737a1f652e276883d3d970.zip | |
virtio_net: implement flush flag for ndo_xdp_xmit
When passed the XDP_XMIT_FLUSH flag virtnet_xdp_xmit now performs the
same virtqueue_kick as virtnet_xdp_flush.
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'drivers/net/virtio_net.c')
| -rw-r--r-- | drivers/net/virtio_net.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 4ed823625953..62ba8aadd8e6 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -481,7 +481,7 @@ static int virtnet_xdp_xmit(struct net_device *dev, int err; int i; - if (unlikely(flags & ~XDP_XMIT_FLAGS_NONE)) + if (unlikely(flags & ~XDP_XMIT_FLAGS_MASK)) return -EINVAL; qp = vi->curr_queue_pairs - vi->xdp_queue_pairs + smp_processor_id(); @@ -507,6 +507,10 @@ static int virtnet_xdp_xmit(struct net_device *dev, drops++; } } + + if (flags & XDP_XMIT_FLUSH) + virtqueue_kick(sq->vq); + return n - drops; } |