+ if(debug_lvl >= DEBUG_TRAFFIC)
+ syslog(LOG_INFO, _("Learned new MAC address %hx:%hx:%hx:%hx:%hx:%hx"),
+ address->x[0], address->x[1], address->x[2], address->x[3], address->x[4], address->x[5]);
+
+ subnet = new_subnet();
+ subnet->type = SUBNET_MAC;
+ memcpy(&subnet->net.mac.address, address, sizeof(mac_t));
+ subnet_add(myself, subnet);
+
+ /* And tell all other tinc daemons it's our MAC */
+
+ for(node = connection_tree->head; node; node = node->next)
+ {
+ c = (connection_t *)node->data;
+ if(c->status.active)
+ send_add_subnet(c, subnet);
+ }
+ }
+
+ subnet->net.mac.lastseen = now;
+}
+
+void age_mac(void)
+{
+ subnet_t *s;
+ connection_t *c;
+ avl_node_t *node, *next, *node2;
+cp
+ for(node = myself->subnet_tree->head; node; node = next)
+ {
+ next = node->next;
+ s = (subnet_t *)node->data;
+ if(s->type == SUBNET_MAC && s->net.mac.lastseen && s->net.mac.lastseen + macexpire < now)
+ {
+ if(debug_lvl >= DEBUG_TRAFFIC)
+ syslog(LOG_INFO, _("MAC address %hx:%hx:%hx:%hx:%hx:%hx expired"),
+ s->net.mac.address.x[0], s->net.mac.address.x[1], s->net.mac.address.x[2], s->net.mac.address.x[3], s->net.mac.address.x[4], s->net.mac.address.x[5]);
+ for(node2 = connection_tree->head; node2; node2 = node2->next)
+ {
+ c = (connection_t *)node2->data;
+ if(c->status.active)
+ send_del_subnet(c, s);
+ }
+ subnet_del(myself, s);
+ }
+ }
+cp
+}
+
+node_t *route_mac(vpn_packet_t *packet)
+{
+ subnet_t *subnet;
+cp
+ /* Learn source address */
+
+ learn_mac((mac_t *)(&packet->data[6]));
+
+ /* Lookup destination address */
+
+ subnet = lookup_subnet_mac((mac_t *)(&packet->data[0]));
+
+ if(subnet)
+ return subnet->owner;
+ else
+ return NULL;
+}
+
+node_t *route_ipv4(vpn_packet_t *packet)
+{
+ subnet_t *subnet;
+cp
+ if(priorityinheritance)
+ packet->priority = packet->data[15];
+
+ subnet = lookup_subnet_ipv4((ipv4_t *)&packet->data[30]);
+cp
+ if(!subnet)
+ {
+ if(debug_lvl >= DEBUG_TRAFFIC)
+ {
+ syslog(LOG_WARNING, _("Cannot route packet: unknown IPv4 destination address %d.%d.%d.%d"),
+ packet->data[30], packet->data[31], packet->data[32], packet->data[33]);
+ }
+
+ return NULL;
+ }
+cp
+ return subnet->owner;
+}
+
+node_t *route_ipv6(vpn_packet_t *packet)
+{
+ subnet_t *subnet;
+cp
+ subnet = lookup_subnet_ipv6((ipv6_t *)&packet->data[38]);
+cp
+ if(!subnet)
+ {
+ if(debug_lvl >= DEBUG_TRAFFIC)
+ {
+ syslog(LOG_WARNING, _("Cannot route packet: unknown IPv6 destination address %hx:%hx:%hx:%hx:%hx:%hx:%hx:%hx"),
+ ntohs(*(short unsigned int *)&packet->data[38]),
+ ntohs(*(short unsigned int *)&packet->data[40]),
+ ntohs(*(short unsigned int *)&packet->data[42]),
+ ntohs(*(short unsigned int *)&packet->data[44]),
+ ntohs(*(short unsigned int *)&packet->data[46]),
+ ntohs(*(short unsigned int *)&packet->data[48]),
+ ntohs(*(short unsigned int *)&packet->data[50]),
+ ntohs(*(short unsigned int *)&packet->data[52]));
+ }
+
+ return NULL;
+ }
+cp
+ return subnet->owner;