rmap: Add hooks into zebra,ospf,rip for `match ip next-hop type blackhole`

Signed-off-by: Donatas Abraitis <donatas.abraitis@gmail.com>

1 files changed, 38 insertions, 0 deletions

diff --git a/ripd/rip_routemap.c b/ripd/rip_routemap.c
index 3216b8f89..85d83c61d 100644
--- a/ripd/rip_routemap.c
+++ b/ripd/rip_routemap.c
@@ -231,6 +231,40 @@ static struct route_map_rule_cmd route_match_ip_next_hop_prefix_list_cmd = {
 	route_match_ip_next_hop_prefix_list_compile,
 	route_match_ip_next_hop_prefix_list_free};
 
+/* `match ip next-hop type <blackhole>' */
+
+static route_map_result_t
+route_match_ip_next_hop_type(void *rule, const struct prefix *prefix,
+			     route_map_object_t type, void *object)
+{
+	struct rip_info *rinfo;
+
+	if (type == RMAP_RIP && prefix->family == AF_INET) {
+		rinfo = (struct rip_info *)object;
+		if (!rinfo)
+			return RMAP_DENYMATCH;
+
+		if (rinfo->nh.type == NEXTHOP_TYPE_BLACKHOLE)
+			return RMAP_MATCH;
+	}
+	return RMAP_NOMATCH;
+}
+
+static void *route_match_ip_next_hop_type_compile(const char *arg)
+{
+	return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg);
+}
+
+static void route_match_ip_next_hop_type_free(void *rule)
+{
+	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
+}
+
+static struct route_map_rule_cmd route_match_ip_next_hop_type_cmd = {
+	"ip next-hop type", route_match_ip_next_hop_type,
+	route_match_ip_next_hop_type_compile,
+	route_match_ip_next_hop_type_free};
+
 /* `match ip address IP_ACCESS_LIST' */
 
 /* Match function should return 1 if match is success else return
@@ -537,6 +571,9 @@ void rip_route_map_init(void)
 	route_map_match_ip_next_hop_prefix_list_hook(generic_match_add);
 	route_map_no_match_ip_next_hop_prefix_list_hook(generic_match_delete);
 
+	route_map_match_ip_next_hop_type_hook(generic_match_add);
+	route_map_no_match_ip_next_hop_type_hook(generic_match_delete);
+
 	route_map_match_metric_hook(generic_match_add);
 	route_map_no_match_metric_hook(generic_match_delete);
 
@@ -556,6 +593,7 @@ void rip_route_map_init(void)
 	route_map_install_match(&route_match_interface_cmd);
 	route_map_install_match(&route_match_ip_next_hop_cmd);
 	route_map_install_match(&route_match_ip_next_hop_prefix_list_cmd);
+	route_map_install_match(&route_match_ip_next_hop_type_cmd);
 	route_map_install_match(&route_match_ip_address_cmd);
 	route_map_install_match(&route_match_ip_address_prefix_list_cmd);
 	route_map_install_match(&route_match_tag_cmd);