+static int
+app_pipeline_routing_find_link(struct pipeline_routing *p,
+ uint32_t link_id,
+ uint32_t *port_id)
+{
+ uint32_t i;
+
+ for (i = 0; i < p->n_ports_out; i++)
+ if (p->link_id[i] == link_id) {
+ *port_id = i;
+ return 0;
+ }
+
+ return -1;
+}
+
+static void
+app_pipeline_routing_link_op(__rte_unused struct app_params *app,
+ uint32_t link_id,
+ uint32_t up,
+ void *arg)
+{
+ struct pipeline_routing_route_key key0, key1;
+ struct pipeline_routing *p = arg;
+ struct app_link_params *lp;
+ uint32_t port_id, netmask;
+ int status;
+
+ if (app == NULL)
+ return;
+
+ APP_PARAM_FIND_BY_ID(app->link_params, "LINK", link_id, lp);
+ if (lp == NULL)
+ return;
+
+ status = app_pipeline_routing_find_link(p,
+ link_id,
+ &port_id);
+ if (status)
+ return;
+
+ netmask = (~0U) << (32 - lp->depth);
+
+ /* Local network (directly attached network) */
+ key0.type = PIPELINE_ROUTING_ROUTE_IPV4;
+ key0.key.ipv4.ip = lp->ip & netmask;
+ key0.key.ipv4.depth = lp->depth;
+
+ /* Local termination */
+ key1.type = PIPELINE_ROUTING_ROUTE_IPV4;
+ key1.key.ipv4.ip = lp->ip;
+ key1.key.ipv4.depth = 32;
+
+ if (up) {
+ struct pipeline_routing_route_data data0, data1;
+
+ /* Local network (directly attached network) */
+ memset(&data0, 0, sizeof(data0));
+ data0.flags = PIPELINE_ROUTING_ROUTE_LOCAL |
+ PIPELINE_ROUTING_ROUTE_ARP;
+ if (p->rp.encap == PIPELINE_ROUTING_ENCAP_ETHERNET_QINQ)
+ data0.flags |= PIPELINE_ROUTING_ROUTE_QINQ;
+ if (p->rp.encap == PIPELINE_ROUTING_ENCAP_ETHERNET_MPLS) {
+ data0.flags |= PIPELINE_ROUTING_ROUTE_MPLS;
+ data0.l2.mpls.n_labels = 1;
+ }
+ data0.port_id = port_id;
+
+ if (p->rp.n_arp_entries)
+ app_pipeline_routing_add_route(app,
+ p->pipeline_id,
+ &key0,
+ &data0);
+
+ /* Local termination */
+ memset(&data1, 0, sizeof(data1));
+ data1.flags = PIPELINE_ROUTING_ROUTE_LOCAL |
+ PIPELINE_ROUTING_ROUTE_ARP;
+ if (p->rp.encap == PIPELINE_ROUTING_ENCAP_ETHERNET_QINQ)
+ data1.flags |= PIPELINE_ROUTING_ROUTE_QINQ;
+ if (p->rp.encap == PIPELINE_ROUTING_ENCAP_ETHERNET_MPLS) {
+ data1.flags |= PIPELINE_ROUTING_ROUTE_MPLS;
+ data1.l2.mpls.n_labels = 1;
+ }
+ data1.port_id = p->rp.port_local_dest;
+
+ app_pipeline_routing_add_route(app,
+ p->pipeline_id,
+ &key1,
+ &data1);
+ } else {
+ /* Local network (directly attached network) */
+ if (p->rp.n_arp_entries)
+ app_pipeline_routing_delete_route(app,
+ p->pipeline_id,
+ &key0);
+
+ /* Local termination */
+ app_pipeline_routing_delete_route(app,
+ p->pipeline_id,
+ &key1);
+ }
+}
+
+static int
+app_pipeline_routing_set_link_op(
+ struct app_params *app,
+ struct pipeline_routing *p)
+{
+ uint32_t port_id;
+
+ for (port_id = 0; port_id < p->n_ports_out; port_id++) {
+ struct app_link_params *link;
+ uint32_t link_id;
+ int status;
+
+ link = app_pipeline_track_pktq_out_to_link(app,
+ p->pipeline_id,
+ port_id);
+ if (link == NULL)
+ continue;
+
+ link_id = link - app->link_params;
+ p->link_id[port_id] = link_id;
+
+ status = app_link_set_op(app,
+ link_id,
+ p->pipeline_id,
+ app_pipeline_routing_link_op,
+ (void *) p);
+ if (status)
+ return status;
+ }
+
+ return 0;
+}
+