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))))
--
1.6.0.6
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