This is a note to let you know that I've just added the patch titled
virtio-net: alloc big buffers also when guest can receive UFO
to the 3.13-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
virtio-net-alloc-big-buffers-also-when-guest-can-receive-ufo.patch
and it can be found in the queue-3.13 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Wed Mar 19 23:31:33 Local time zone must be set--see zic manual page 2014
From: Jason Wang <jasowang@xxxxxxxxxx>
Date: Fri, 21 Feb 2014 13:08:04 +0800
Subject: virtio-net: alloc big buffers also when guest can receive UFO
From: Jason Wang <jasowang@xxxxxxxxxx>
[ Upstream commit 0e7ede80d929ff0f830c44a543daa1acd590c749 ]
We should alloc big buffers also when guest can receive UFO
packets to let the big packets fit into guest rx buffer.
Fixes 5c5167515d80f78f6bb538492c423adcae31ad65
(virtio-net: Allow UFO feature to be set and advertised.)
Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Cc: Michael S. Tsirkin <mst@xxxxxxxxxx>
Cc: Sridhar Samudrala <sri@xxxxxxxxxx>
Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx>
Acked-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
Acked-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/virtio_net.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -1645,7 +1645,8 @@ static int virtnet_probe(struct virtio_d
/* If we can receive ANY GSO packets, we must allocate large ones. */
if (virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO4) ||
virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO6) ||
- virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_ECN))
+ virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_ECN) ||
+ virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_UFO))
vi->big_packets = true;
if (virtio_has_feature(vdev, VIRTIO_NET_F_MRG_RXBUF))
Patches currently in stable-queue which might be from jasowang@xxxxxxxxxx are
queue-3.13/virtio-net-alloc-big-buffers-also-when-guest-can-receive-ufo.patch
queue-3.13/macvlan-add-support-for-always_on-offload-features.patch
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