On 19 July 2016 at 09:07, Ben Pfaff <b...@ovn.org> wrote:
> A router port's "peer", if set, must point to another router port, but the
> code as written also accepted switch ports. This caused problems when
> switch ports were actually specified.
>
> Reported-by: Gurucharan Shetty <g...@ovn.org>
> Reported-at: http://openvswitch.org/pipermail/dev/2016-July/075524.html
> Signed-off-by: Ben Pfaff <b...@ovn.org>
>
Acked-by: Gurucharan Shetty <g...@ovn.org>
> ---
> ovn/northd/ovn-northd.c | 23 ++++++++++++++++++++++-
> 1 file changed, 22 insertions(+), 1 deletion(-)
>
> diff --git a/ovn/northd/ovn-northd.c b/ovn/northd/ovn-northd.c
> index 7ce509d..9047635 100644
> --- a/ovn/northd/ovn-northd.c
> +++ b/ovn/northd/ovn-northd.c
> @@ -496,6 +496,12 @@ struct ovn_port {
>
> struct lport_addresses lrp_networks;
>
> + /* The port's peer:
> + *
> + * - A switch port S of type "router" has a router port R as a
> peer,
> + * and R in turn has S has its peer.
> + *
> + * - Two connected logical router ports have each other as peer.
> */
> struct ovn_port *peer;
>
> struct ovn_datapath *od;
> @@ -715,7 +721,22 @@ join_logical_ports(struct northd_context *ctx,
> sizeof *op->od->router_ports * (op->od->n_router_ports +
> 1));
> op->od->router_ports[op->od->n_router_ports++] = op;
> } else if (op->nbr && op->nbr->peer) {
> - op->peer = ovn_port_find(ports, op->nbr->peer);
> + struct ovn_port *peer = ovn_port_find(ports, op->nbr->peer);
> + if (peer) {
> + if (peer->nbr) {
> + op->peer = peer;
> + } else {
> + /* An ovn_port for a switch port of type "router"
> does have
> + * a router port as its peer (see the case above for
> + * "router" ports), but this is set via
> options:router-port
> + * in Logical_Switch_Port and does not involve the
> + * Logical_Router_Port's 'peer' column. */
> + static struct vlog_rate_limit rl =
> + VLOG_RATE_LIMIT_INIT(5, 1);
> + VLOG_WARN_RL(&rl, "Bad configuration: The peer of
> router "
> + "port %s is a switch port", op->key);
> + }
> + }
> }
> }
> }
> --
> 2.1.3
>
>
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