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Message-ID: <1414099656-28090-4-git-send-email-mst@redhat.com> Date: Fri, 24 Oct 2014 00:28:10 +0300 From: "Michael S. Tsirkin" <mst@...hat.com> To: linux-kernel@...r.kernel.org Cc: cornelia.huck@...ibm.com, Rusty Russell <rusty@...tcorp.com.au>, virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org Subject: [PATCH RFC 4/4] virtio_net: bigger header when VERSION_1 is set With VERSION_1 virtio_net uses same header size whether mergeable buffers are enabled or not. Signed-off-by: Michael S. Tsirkin <mst@...hat.com> --- drivers/net/virtio_net.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 9c6d50f..a2fe340 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -1764,7 +1764,8 @@ static int virtnet_probe(struct virtio_device *vdev) if (virtio_has_feature(vdev, VIRTIO_NET_F_MRG_RXBUF)) vi->mergeable_rx_bufs = true; - if (virtio_has_feature(vdev, VIRTIO_NET_F_MRG_RXBUF)) + if (virtio_has_feature(vdev, VIRTIO_NET_F_MRG_RXBUF) || + virtio_has_feature(vdev, VIRTIO_F_VERSION_1)) vi->hdr_len = sizeof(struct virtio_net_hdr_mrg_rxbuf); else vi->hdr_len = sizeof(struct virtio_net_hdr); -- MST -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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