>
> [Resending as the previous reply got rejected by the mailing list].
>
Thanks for the explanation. I intend to add the following stylistic and
needed changes and apply this to master after some time.
diff --git a/AUTHORS b/AUTHORS
index 3f05a02..5290ef5 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -211,6 +211,7 @@ Steffen Gebert
[email protected]
Sten Spans [email protected]
Stephane A. Sezer [email protected]
Stephen Finucane [email protected]
+Steve Ruan [email protected]
SUGYO Kazushi [email protected]
Tadaaki Nagao [email protected]
Terry Wilson [email protected]
diff --git a/ovn/northd/ovn-northd.c b/ovn/northd/ovn-northd.c
index ad9684b..673f52d 100644
--- a/ovn/northd/ovn-northd.c
+++ b/ovn/northd/ovn-northd.c
@@ -1828,74 +1828,65 @@ add_route(struct hmap *lflows, const struct
ovn_port *op,
static void
build_static_route_flow(struct hmap *lflows, struct ovn_datapath *od,
- struct hmap *ports,
- const struct nbrec_logical_router_static_route *route)
+ struct hmap *ports,
+ const struct nbrec_logical_router_static_route
*route)
{
ovs_be32 prefix, next_hop, mask;
- /* Verify that next hop is an IP address with 32 bits mask */
+ /* Verify that next hop is an IP address with 32 bits mask. */
char *error = ip_parse_masked(route->nexthop, &next_hop, &mask);
if (error || mask != OVS_BE32_MAX) {
- static struct vlog_rate_limit rl
- = VLOG_RATE_LIMIT_INIT(5, 1);
- VLOG_WARN_RL(&rl, "bad next hop ip address %s",
- route->nexthop);
+ static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 1);
+ VLOG_WARN_RL(&rl, "bad next hop ip address %s", route->nexthop);
free(error);
return;
}
- /* Verify that ip prefix is a valid CIDR address */
+ /* Verify that ip prefix is a valid CIDR address. */
error = ip_parse_masked(route->ip_prefix, &prefix, &mask);
if (error || !ip_is_cidr(mask)) {
- static struct vlog_rate_limit rl
- = VLOG_RATE_LIMIT_INIT(5, 1);
+ static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 1);
VLOG_WARN_RL(&rl, "bad 'network' in static routes %s",
- route->ip_prefix);
+ route->ip_prefix);
free(error);
return;
}
- /* Find the outgoing port */
+ /* Find the outgoing port. */
struct ovn_port *out_port = NULL;
if (route->output_port) {
out_port = ovn_port_find(ports, route->output_port);
if (!out_port) {
- static struct vlog_rate_limit rl
- = VLOG_RATE_LIMIT_INIT(5, 1);
+ static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 1);
VLOG_WARN_RL(&rl, "Bad out port %s for static route %s",
- route->output_port, route->ip_prefix);
+ route->output_port, route->ip_prefix);
return;
}
} else {
-
- /* output_port is not specified, then find the
- * router port match next hop */
-
+ /* output_port is not specified, find the
+ * router port matching the next hop. */
int i;
for (i = 0; i < od->nbr->n_ports; i++) {
-
struct nbrec_logical_router_port *lrp = od->nbr->ports[i];
out_port = ovn_port_find(ports, lrp->name);
if (!out_port) {
- /* This should not happen */
+ /* This should not happen. */
continue;
}
if (out_port->network
&& !((out_port->network ^ next_hop) & out_port->mask)) {
- /* There should have ONLY 1 interface match the next hop,
- * or it's a configuration error, because subnets of
router's
- * interfaces should NOT be overlapped */
+ /* There should be only 1 interface that matches the next
hop.
+ * Otherwise, it's a configuration error, because subnets
of
+ * router's interfaces should NOT overlap. */
break;
break;
}
}
if (i == od->nbr->n_ports) {
-
- /* There is no matched out port */
- static struct vlog_rate_limit rl
- = VLOG_RATE_LIMIT_INIT(5, 1);
+ /* There is no matched out port. */
+ static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 1);
VLOG_WARN_RL(&rl, "No path for static route %s; next hop %s",
- route->ip_prefix, route->nexthop);
+ route->ip_prefix, route->nexthop);
return;
}
}
@@ -2072,7 +2063,7 @@ build_lrouter_flows(struct hmap *datapaths, struct
hmap *ports,
continue;
}
- /* convert the routing table to flow */
+ /* Convert the static routes to flows. */
for (int i = 0; i < od->nbr->n_static_routes; i++) {
const struct nbrec_logical_router_static_route *route;
diff --git a/ovn/ovn-nb.xml b/ovn/ovn-nb.xml
index f0dc65d..c01455d 100644
--- a/ovn/ovn-nb.xml
+++ b/ovn/ovn-nb.xml
@@ -624,7 +624,7 @@
</column>
<column name="static_routes">
- One or more static routes, refer to Logical_Router_Static_Route
table.
+ One or more static routes for the router.
</column>
<column name="default_gw">
@@ -729,28 +729,30 @@
</group>
</table>
- <table name="Logical_Router_Static_Route" title="logical router static
routes">
+ <table name="Logical_Router_Static_Route" title="Logical router static
routes">
<p>
- Each route represents a static route.
+ Each record represents a static route.
</p>
<column name="ip_prefix">
<p>
- Prefix of this route, example 192.168.100.0/24.
+ IP prefix of this route (e.g. 192.168.100.0/24).
</p>
</column>
-
+
<column name="nexthop">
<p>
- Nexthop of this route, nexthop can be a IP address of logical
router
- port, or IP address which has been learnt by dynamic ARP.
+ Nexthop IP address for this route. Nexthop IP address should be
the IP
+ address of a connected router port or the IP address of a logical
port.
</p>
</column>
-
+
<column name="output_port">
<p>
- Port name of the logical router port table. It may be configured
or may
- not be configured.
+ The name of the <ref table="Logical_router_port"/> via which the
packet
+ needs to be sent out. This is optional and when not specified,
+ OVN will automatically figure this out based on the
+ <ref column="nexthop"/>.
</p>
</column>
</table>
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