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vhost/vsock: fix packet delivery order to monitoring devices 

[ Upstream commit 107bc0766b ]

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>
5.4-rM2-2.2.x-imx-squashed
Stefano Garzarella 2020-04-24 17:08:29 +02:00 committed by Greg Kroah-Hartman
parent dcec6678c3
commit 445437b417
1 changed files with 5 additions and 5 deletions
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10
drivers/vhost/vsock.c
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@ -181,14 +181,14 @@ 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;