vhost/vsock: fix packet delivery order to monitoring devices

[ Upstream commit 107bc0766b9feb5113074c753735a3f115c2141f ]

We want to deliver packets to monitoring devices before it is
put in the virtqueue, to avoid that replies can appear in the
packet capture before the transmitted packet.

Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Stefano Garzarella 2020-04-24 17:08:29 +02:00 committed by Greg Kroah-Hartman
parent 96fc3559de
commit b6067828fd

View file

@ -182,14 +182,14 @@ vhost_transport_do_send_pkt(struct vhost_vsock *vsock,
break;
}
vhost_add_used(vq, head, sizeof(pkt->hdr) + payload_len);
added = true;
/* Deliver to monitoring devices all correctly transmitted
* packets.
/* Deliver to monitoring devices all packets that we
* will transmit.
*/
virtio_transport_deliver_tap_pkt(pkt);
vhost_add_used(vq, head, sizeof(pkt->hdr) + payload_len);
added = true;
pkt->off += payload_len;
total_len += payload_len;