On Tue, 2009-05-05 at 09:56 +0100, Mark McLoughlin wrote:
> This commit:
>
> commit 559a8f45f34cc50d1a60b4f67a06614d506b2e01
> Subject: Remove stray GSO code from virtio_net (Mark McLoughlin)
>
> Removed some GSO code from upstream qemu.git, but it needs to
> be re-instated in qemu-kvm.git.
>
> Reported-by: Sridhar Samudrala <sri@xxxxxxxxxx>
> Signed-off-by: Mark McLoughlin <markmc@xxxxxxxxxx>
> ---
> hw/virtio-net.c | 5 +++++
> 1 files changed, 5 insertions(+), 0 deletions(-)
>
> diff --git a/hw/virtio-net.c b/hw/virtio-net.c
> index ac8e030..e5d7add 100644
> --- a/hw/virtio-net.c
> +++ b/hw/virtio-net.c
> @@ -424,6 +424,11 @@ static int receive_filter(VirtIONet *n, const uint8_t *buf, int size)
> if (n->promisc)
> return 1;
>
> +#ifdef TAP_VNET_HDR
> + if (tap_has_vnet_hdr(n->vc->vlan->first_client))
> + ptr += sizeof(struct virtio_net_hdr);
> +#endif
> +
> if (!memcmp(&ptr[12], vlan, sizeof(vlan))) {
> int vid = be16_to_cpup((uint16_t *)(ptr + 14)) & 0xfff;
> if (!(n->vlans[vid >> 5] & (1U << (vid & 0x1f))))
I'm not sure[1] how we didn't notice, but this has been broken on the
stable-0.10 branch since 0.10.3; please apply there too
See:
https://bugzilla.redhat.com/522994
Cheers,
Mark.
[1] - well, one reason is that libvirt doesn't seem to be enabling
vnet_hdr at the moment. That's the next thing to look at
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