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authorDamjan Marion <damarion@cisco.com>2018-02-08 19:49:22 +0100
committerDave Wallace <dwallacelf@gmail.com>2018-02-08 22:20:12 +0000
commit508cabcec8f462aafcce6d101451806a251bd601 (patch)
tree1bf44701e7032c4ef6bedcd72e214272cd56de96 /src/vnet/devices/virtio/device.c
parent2ae5135e4cc47f5be8895486a91ad98be36dd5dd (diff)
virtio: reset vnet header on tx
Change-Id: Ib04a8787038fb536470a04d99fdc165102edfb5a Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/vnet/devices/virtio/device.c')
-rw-r--r--src/vnet/devices/virtio/device.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/vnet/devices/virtio/device.c b/src/vnet/devices/virtio/device.c
index 5528ddb0429..ae8a116efee 100644
--- a/src/vnet/devices/virtio/device.c
+++ b/src/vnet/devices/virtio/device.c
@@ -130,6 +130,9 @@ add_buffer_to_slot (vlib_main_t * vm, virtio_vring_t * vring, u32 bi,
struct vring_desc *d;
d = &vring->desc[next];
vlib_buffer_t *b = vlib_get_buffer (vm, bi);
+ struct virtio_net_hdr_v1 *hdr = vlib_buffer_get_current (b) - hdr_sz;
+
+ memset (hdr, 0, hdr_sz);
if (PREDICT_TRUE ((b->flags & VLIB_BUFFER_NEXT_PRESENT) == 0))
{