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authorMark McLoughlin <markmc@redhat.com>2009-05-05 09:56:25 +0100
committerMarcelo Tosatti <mtosatti@redhat.com>2009-09-30 12:18:30 -0300
commita1cb4012df663b087852fd288ed6e7f55017f838 (patch)
tree0be3ca8a24ed58c6eef6aecfa83c5a5ec43c19ef
parent5f09a0ae5e1b81890f8945336bf81ac11d2e2e8c (diff)
virtio-net: Re-instate GSO code removed upstreamstable-0.10
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@us.ibm.com> Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com> (cherry picked from commit 6e57bb9a636cefdaba7decbd5ac10f1508ff64c0)
-rw-r--r--hw/virtio-net.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/hw/virtio-net.c b/hw/virtio-net.c
index f65ecd7d1..aaab83b0b 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))))