Remove automatically assigned IPv6 routing table

[project/netifd.git] / interface-ip.c

diff --git a/interface-ip.c b/interface-ip.c
index 60b446c..a6a7dca 100644 (file)
--- a/interface-ip.c
+++ b/interface-ip.c
@@ -59,7 +59,6 @@ const struct uci_blob_param_list route_attr_list = {
 
 
 struct list_head prefixes = LIST_HEAD_INIT(prefixes);
-static struct list_head source_tables = LIST_HEAD_INIT(source_tables);
 static struct device_prefix *ula_prefix = NULL;
 static struct uloop_timeout valid_until_timeout;
 
@@ -197,72 +196,6 @@ __find_ip_route_target(struct interface_ip_settings *ip, union if_addr *a,
        }
 }
 
-static struct device_source_table*
-find_source_table(const struct device_route *route)
-{
-       struct device_source_table key = {
-               .v6 = (route->flags & DEVADDR_FAMILY) == DEVADDR_INET6,
-               .addr = route->source,
-               .mask = route->sourcemask
-       };
-       struct device_source_table *c;
-       list_for_each_entry(c, &source_tables, head)
-               if (!memcmp(&c->v6, &key.v6, sizeof(key) -
-                               offsetof(struct device_source_table, v6)))
-                       return c;
-       return NULL;
-}
-
-static uint32_t
-get_source_table(const struct device_route *route)
-{
-       if (route->table || route->sourcemask == 0)
-               return route->table;
-
-       struct device_source_table *tbl = find_source_table(route);
-
-       if (!tbl) {
-               tbl = calloc(1, sizeof(*tbl));
-               tbl->addr = route->source;
-               tbl->mask = route->sourcemask;
-               tbl->v6 = (route->flags & DEVADDR_FAMILY) == DEVADDR_INET6;
-               tbl->table = IPRULE_PRIORITY_SOURCE | (((~tbl->mask) & 0x7f) << 20);
-
-               struct list_head *before = NULL;
-               struct device_source_table *c;
-               list_for_each_entry(c, &source_tables, head) {
-                       if (c->table > tbl->table) {
-                               before = &c->head;
-                               break;
-                       } else if (c->table == tbl->table) {
-                               ++tbl->table;
-                       }
-               }
-
-               if (!before)
-                       before = &source_tables;
-
-               list_add_tail(&tbl->head, before);
-               set_ip_source_policy(true, tbl->v6, tbl->table, &tbl->addr,
-                               tbl->mask, tbl->table, NULL, NULL);
-       }
-
-       ++tbl->refcount;
-       return tbl->table;
-}
-
-static void
-put_source_table(const struct device_route *route)
-{
-       struct device_source_table *tbl = find_source_table(route);
-       if (tbl && tbl->table == route->table && --tbl->refcount == 0) {
-               set_ip_source_policy(false, tbl->v6, tbl->table, &tbl->addr,
-                               tbl->mask, tbl->table, NULL, NULL);
-               list_del(&tbl->head);
-               free(tbl);
-       }
-}
-
 static bool
 interface_ip_find_addr_target(struct interface *iface, union if_addr *a, bool v6)
 {
@@ -410,7 +343,9 @@ interface_ip_add_route(struct interface *iface, struct blob_attr *attr, bool v6)
                }
 
                route->sourcemask = atoi(mask);
-       } else if (is_proto_route) {
+       }
+
+       if (is_proto_route) {
                route->table = (v6) ? iface->ip6table : iface->ip4table;
                route->flags |= DEVROUTE_SRCTABLE;
        }
@@ -432,11 +367,6 @@ interface_ip_add_route(struct interface *iface, struct blob_attr *attr, bool v6)
                        route->valid_until = valid_until;
        }
 
-       if (route->sourcemask) {
-               route->table = get_source_table(route);
-               route->flags |= DEVROUTE_SRCTABLE;
-       }
-
        vlist_add(&ip->route, &route->node, route);
        return;
 
@@ -527,6 +457,9 @@ interface_update_proto_addr(struct vlist_tree *tree,
        iface = ip->iface;
        dev = iface->l3_dev.dev;
 
+       if (!node_new || !node_old)
+               iface->updated |= IUF_ADDRESS;
+
        if (node_new) {
                a_new = container_of(node_new, struct device_addr, node);
 
@@ -629,6 +562,9 @@ interface_update_proto_route(struct vlist_tree *tree,
        iface = ip->iface;
        dev = iface->l3_dev.dev;
 
+       if (!node_new || !node_old)
+               iface->updated |= IUF_ROUTE;
+
        route_old = container_of(node_old, struct device_route, node);
        route_new = container_of(node_new, struct device_route, node);
 
@@ -640,7 +576,6 @@ interface_update_proto_route(struct vlist_tree *tree,
                if (!(route_old->flags & DEVADDR_EXTERNAL) && route_old->enabled && !keep)
                        system_del_route(dev, route_old);
 
-               put_source_table(route_old);
                free(route_old);
        }
 
@@ -900,6 +835,10 @@ interface_update_prefix(struct vlist_tree *tree,
        prefix_old = container_of(node_old, struct device_prefix, node);
        prefix_new = container_of(node_new, struct device_prefix, node);
 
+       struct interface_ip_settings *ip = container_of(tree, struct interface_ip_settings, prefix);
+       if (tree && (!node_new || !node_old))
+               ip->iface->updated |= IUF_PREFIX;
+
        struct device_route route;
        memset(&route, 0, sizeof(route));
        route.flags = DEVADDR_INET6;