*: make all route_map_rule_cmd const

Signed-off-by: David Lamparter <equinox@diac24.net>

11 files changed, 667 insertions, 342 deletions

diff --git a/bgpd/bgp_routemap.c b/bgpd/bgp_routemap.c
index 4d73faa87..ecd770a1d 100644
--- a/bgpd/bgp_routemap.c
+++ b/bgpd/bgp_routemap.c
@@ -334,9 +334,12 @@ static void route_match_peer_free(void *rule)
 }
 
 /* Route map commands for ip address matching. */
-struct route_map_rule_cmd route_match_peer_cmd = {"peer", route_match_peer,
-						  route_match_peer_compile,
-						  route_match_peer_free};
+static const struct route_map_rule_cmd route_match_peer_cmd = {
+	"peer",
+	route_match_peer,
+	route_match_peer_compile,
+	route_match_peer_free
+};
 
 #if defined(HAVE_LUA)
 static enum route_map_cmd_result_t
@@ -425,7 +428,7 @@ route_match_command_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-struct route_map_rule_cmd route_match_command_cmd = {
+static const struct route_map_rule_cmd route_match_command_cmd = {
 	"command",
 	route_match_command,
 	route_match_command_compile,
@@ -469,9 +472,12 @@ static void route_match_ip_address_free(void *rule)
 }
 
 /* Route map commands for ip address matching. */
-struct route_map_rule_cmd route_match_ip_address_cmd = {
-	"ip address", route_match_ip_address, route_match_ip_address_compile,
-	route_match_ip_address_free};
+static const struct route_map_rule_cmd route_match_ip_address_cmd = {
+	"ip address",
+	route_match_ip_address,
+	route_match_ip_address_compile,
+	route_match_ip_address_free
+};
 
 /* `match ip next-hop IP_ADDRESS' */
 
@@ -515,9 +521,12 @@ static void route_match_ip_next_hop_free(void *rule)
 }
 
 /* Route map commands for ip next-hop matching. */
-struct route_map_rule_cmd route_match_ip_next_hop_cmd = {
-	"ip next-hop", route_match_ip_next_hop, route_match_ip_next_hop_compile,
-	route_match_ip_next_hop_free};
+static const struct route_map_rule_cmd route_match_ip_next_hop_cmd = {
+	"ip next-hop",
+	route_match_ip_next_hop,
+	route_match_ip_next_hop_compile,
+	route_match_ip_next_hop_free
+};
 
 /* `match ip route-source ACCESS-LIST' */
 
@@ -567,9 +576,12 @@ static void route_match_ip_route_source_free(void *rule)
 }
 
 /* Route map commands for ip route-source matching. */
-struct route_map_rule_cmd route_match_ip_route_source_cmd = {
-	"ip route-source", route_match_ip_route_source,
-	route_match_ip_route_source_compile, route_match_ip_route_source_free};
+static const struct route_map_rule_cmd route_match_ip_route_source_cmd = {
+	"ip route-source",
+	route_match_ip_route_source,
+	route_match_ip_route_source_compile,
+	route_match_ip_route_source_free
+};
 
 static enum route_map_cmd_result_t
 route_match_prefix_list_flowspec(afi_t afi, struct prefix_list *plist,
@@ -643,10 +655,13 @@ static void route_match_ip_address_prefix_list_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-struct route_map_rule_cmd route_match_ip_address_prefix_list_cmd = {
-	"ip address prefix-list", route_match_ip_address_prefix_list,
+static const struct route_map_rule_cmd
+		route_match_ip_address_prefix_list_cmd = {
+	"ip address prefix-list",
+	route_match_ip_address_prefix_list,
 	route_match_ip_address_prefix_list_compile,
-	route_match_ip_address_prefix_list_free};
+	route_match_ip_address_prefix_list_free
+};
 
 /* `match ip next-hop prefix-list PREFIX_LIST' */
 
@@ -685,10 +700,13 @@ static void route_match_ip_next_hop_prefix_list_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-struct route_map_rule_cmd route_match_ip_next_hop_prefix_list_cmd = {
-	"ip next-hop prefix-list", route_match_ip_next_hop_prefix_list,
+static const struct route_map_rule_cmd
+		route_match_ip_next_hop_prefix_list_cmd = {
+	"ip next-hop prefix-list",
+	route_match_ip_next_hop_prefix_list,
 	route_match_ip_next_hop_prefix_list_compile,
-	route_match_ip_next_hop_prefix_list_free};
+	route_match_ip_next_hop_prefix_list_free
+};
 
 /* `match ip next-hop type <blackhole>' */
 
@@ -724,10 +742,13 @@ 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,
+static const 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};
+	route_match_ip_next_hop_type_free
+};
 
 /* `match ip route-source prefix-list PREFIX_LIST' */
 
@@ -773,10 +794,13 @@ static void route_match_ip_route_source_prefix_list_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-struct route_map_rule_cmd route_match_ip_route_source_prefix_list_cmd = {
-	"ip route-source prefix-list", route_match_ip_route_source_prefix_list,
+static const struct route_map_rule_cmd
+		route_match_ip_route_source_prefix_list_cmd = {
+	"ip route-source prefix-list",
+	route_match_ip_route_source_prefix_list,
 	route_match_ip_route_source_prefix_list_compile,
-	route_match_ip_route_source_prefix_list_free};
+	route_match_ip_route_source_prefix_list_free
+};
 
 /* `match evpn default-route' */
 
@@ -792,8 +816,13 @@ route_match_evpn_default_route(void *rule, const struct prefix *p,
 }
 
 /* Route map commands for default-route matching. */
-struct route_map_rule_cmd route_match_evpn_default_route_cmd = {
-	"evpn default-route", route_match_evpn_default_route, NULL, NULL};
+static const struct route_map_rule_cmd
+		route_match_evpn_default_route_cmd = {
+	"evpn default-route",
+	route_match_evpn_default_route,
+	NULL,
+	NULL
+};
 
 /* `match mac address MAC_ACCESS_LIST' */
 
@@ -840,9 +869,12 @@ static void route_match_mac_address_free(void *rule)
 }
 
 /* Route map commands for mac address matching. */
-struct route_map_rule_cmd route_match_mac_address_cmd = {
-	"mac address", route_match_mac_address, route_match_mac_address_compile,
-	route_match_mac_address_free};
+static const struct route_map_rule_cmd route_match_mac_address_cmd = {
+	"mac address",
+	route_match_mac_address,
+	route_match_mac_address_compile,
+	route_match_mac_address_free
+};
 
 /*
  * Match function returns:
@@ -917,9 +949,12 @@ static void route_match_vni_free(void *rule)
 }
 
 /* Route map commands for vni matching. */
-struct route_map_rule_cmd route_match_evpn_vni_cmd = {
-	"evpn vni", route_match_vni, route_match_vni_compile,
-	route_match_vni_free};
+static const struct route_map_rule_cmd route_match_evpn_vni_cmd = {
+	"evpn vni",
+	route_match_vni,
+	route_match_vni_compile,
+	route_match_vni_free
+};
 
 /* `match evpn route-type' */
 
@@ -965,9 +1000,12 @@ static void route_match_evpn_route_type_free(void *rule)
 }
 
 /* Route map commands for evpn route-type  matching. */
-struct route_map_rule_cmd route_match_evpn_route_type_cmd = {
-	"evpn route-type", route_match_evpn_route_type,
-	route_match_evpn_route_type_compile, route_match_evpn_route_type_free};
+static const struct route_map_rule_cmd route_match_evpn_route_type_cmd = {
+	"evpn route-type",
+	route_match_evpn_route_type,
+	route_match_evpn_route_type_compile,
+	route_match_evpn_route_type_free
+};
 
 /* `match rd' */
 
@@ -1022,9 +1060,12 @@ static void route_match_rd_free(void *rule)
 }
 
 /* Route map commands for rd matching. */
-struct route_map_rule_cmd route_match_evpn_rd_cmd = {
-	"evpn rd", route_match_rd, route_match_rd_compile,
-	route_match_rd_free};
+static const struct route_map_rule_cmd route_match_evpn_rd_cmd = {
+	"evpn rd",
+	route_match_rd,
+	route_match_rd_compile,
+	route_match_rd_free
+};
 
 /* Route map commands for VRF route leak with source vrf matching */
 static enum route_map_cmd_result_t
@@ -1068,10 +1109,12 @@ static void route_match_vrl_source_vrf_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-struct route_map_rule_cmd route_match_vrl_source_vrf_cmd = {
-	"source-vrf", route_match_vrl_source_vrf,
+static const struct route_map_rule_cmd route_match_vrl_source_vrf_cmd = {
+	"source-vrf",
+	route_match_vrl_source_vrf,
 	route_match_vrl_source_vrf_compile,
-	route_match_vrl_source_vrf_free};
+	route_match_vrl_source_vrf_free
+};
 
 /* `match local-preference LOCAL-PREF' */
 
@@ -1127,9 +1170,12 @@ static void route_match_local_pref_free(void *rule)
 }
 
 /* Route map commands for metric matching. */
-struct route_map_rule_cmd route_match_local_pref_cmd = {
-	"local-preference", route_match_local_pref,
-	route_match_local_pref_compile, route_match_local_pref_free};
+static const struct route_map_rule_cmd route_match_local_pref_cmd = {
+	"local-preference",
+	route_match_local_pref,
+	route_match_local_pref_compile,
+	route_match_local_pref_free
+};
 
 /* `match metric METRIC' */
 
@@ -1150,8 +1196,11 @@ route_match_metric(void *rule, const struct prefix *prefix,
 }
 
 /* Route map commands for metric matching. */
-struct route_map_rule_cmd route_match_metric_cmd = {
-	"metric", route_match_metric, route_value_compile, route_value_free,
+static const struct route_map_rule_cmd route_match_metric_cmd = {
+	"metric",
+	route_match_metric,
+	route_value_compile,
+	route_value_free,
 };
 
 /* `match as-path ASPATH' */
@@ -1194,9 +1243,12 @@ static void route_match_aspath_free(void *rule)
 }
 
 /* Route map commands for aspath matching. */
-struct route_map_rule_cmd route_match_aspath_cmd = {
-	"as-path", route_match_aspath, route_match_aspath_compile,
-	route_match_aspath_free};
+static const struct route_map_rule_cmd route_match_aspath_cmd = {
+	"as-path",
+	route_match_aspath,
+	route_match_aspath_compile,
+	route_match_aspath_free
+};
 
 /* `match community COMMUNIY' */
 struct rmap_community {
@@ -1286,9 +1338,13 @@ static void *route_match_get_community_key(void *rule)
 
 
 /* Route map commands for community matching. */
-struct route_map_rule_cmd route_match_community_cmd = {
-	"community", route_match_community, route_match_community_compile,
-	route_match_community_free, route_match_get_community_key};
+static const struct route_map_rule_cmd route_match_community_cmd = {
+	"community",
+	route_match_community,
+	route_match_community_compile,
+	route_match_community_free,
+	route_match_get_community_key
+};
 
 /* Match function for lcommunity match. */
 static enum route_map_cmd_result_t
@@ -1357,10 +1413,13 @@ static void route_match_lcommunity_free(void *rule)
 }
 
 /* Route map commands for community matching. */
-struct route_map_rule_cmd route_match_lcommunity_cmd = {
-	"large-community", route_match_lcommunity,
-	route_match_lcommunity_compile, route_match_lcommunity_free,
-	route_match_get_community_key};
+static const struct route_map_rule_cmd route_match_lcommunity_cmd = {
+	"large-community",
+	route_match_lcommunity,
+	route_match_lcommunity_compile,
+	route_match_lcommunity_free,
+	route_match_get_community_key
+};
 
 
 /* Match function for extcommunity match. */
@@ -1409,9 +1468,12 @@ static void route_match_ecommunity_free(void *rule)
 }
 
 /* Route map commands for community matching. */
-struct route_map_rule_cmd route_match_ecommunity_cmd = {
-	"extcommunity", route_match_ecommunity, route_match_ecommunity_compile,
-	route_match_ecommunity_free};
+static const struct route_map_rule_cmd route_match_ecommunity_cmd = {
+	"extcommunity",
+	route_match_ecommunity,
+	route_match_ecommunity_compile,
+	route_match_ecommunity_free
+};
 
 /* `match nlri` and `set nlri` are replaced by `address-family ipv4`
    and `address-family vpnv4'.  */
@@ -1458,9 +1520,12 @@ static void route_match_origin_free(void *rule)
 }
 
 /* Route map commands for origin matching. */
-struct route_map_rule_cmd route_match_origin_cmd = {
-	"origin", route_match_origin, route_match_origin_compile,
-	route_match_origin_free};
+static const struct route_map_rule_cmd route_match_origin_cmd = {
+	"origin",
+	route_match_origin,
+	route_match_origin_compile,
+	route_match_origin_free
+};
 
 /* match probability  { */
 
@@ -1511,9 +1576,12 @@ static void route_match_probability_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-struct route_map_rule_cmd route_match_probability_cmd = {
-	"probability", route_match_probability, route_match_probability_compile,
-	route_match_probability_free};
+static const struct route_map_rule_cmd route_match_probability_cmd = {
+	"probability",
+	route_match_probability,
+	route_match_probability_compile,
+	route_match_probability_free
+};
 
 /* `match interface IFNAME' */
 /* Match function should return 1 if match is success else return
@@ -1555,9 +1623,12 @@ static void route_match_interface_free(void *rule)
 }
 
 /* Route map commands for ip address matching. */
-struct route_map_rule_cmd route_match_interface_cmd = {
-	"interface", route_match_interface, route_match_interface_compile,
-	route_match_interface_free};
+static const struct route_map_rule_cmd route_match_interface_cmd = {
+	"interface",
+	route_match_interface,
+	route_match_interface_compile,
+	route_match_interface_free
+};
 
 /* } */
 
@@ -1583,8 +1654,10 @@ route_match_tag(void *rule, const struct prefix *prefix,
 
 
 /* Route map commands for tag matching. */
-static struct route_map_rule_cmd route_match_tag_cmd = {
-	"tag", route_match_tag, route_map_rule_tag_compile,
+static const struct route_map_rule_cmd route_match_tag_cmd = {
+	"tag",
+	route_match_tag,
+	route_map_rule_tag_compile,
 	route_map_rule_tag_free,
 };
 
@@ -1694,9 +1767,12 @@ static void route_set_ip_nexthop_free(void *rule)
 }
 
 /* Route map commands for ip nexthop set. */
-struct route_map_rule_cmd route_set_ip_nexthop_cmd = {
-	"ip next-hop", route_set_ip_nexthop, route_set_ip_nexthop_compile,
-	route_set_ip_nexthop_free};
+static const struct route_map_rule_cmd route_set_ip_nexthop_cmd = {
+	"ip next-hop",
+	route_set_ip_nexthop,
+	route_set_ip_nexthop_compile,
+	route_set_ip_nexthop_free
+};
 
 /* `set local-preference LOCAL_PREF' */
 
@@ -1727,8 +1803,10 @@ route_set_local_pref(void *rule, const struct prefix *prefix,
 }
 
 /* Set local preference rule structure. */
-struct route_map_rule_cmd route_set_local_pref_cmd = {
-	"local-preference", route_set_local_pref, route_value_compile,
+static const struct route_map_rule_cmd route_set_local_pref_cmd = {
+	"local-preference",
+	route_set_local_pref,
+	route_value_compile,
 	route_value_free,
 };
 
@@ -1755,8 +1833,11 @@ route_set_weight(void *rule, const struct prefix *prefix,
 }
 
 /* Set local preference rule structure. */
-struct route_map_rule_cmd route_set_weight_cmd = {
-	"weight", route_set_weight, route_value_compile, route_value_free,
+static const struct route_map_rule_cmd route_set_weight_cmd = {
+	"weight",
+	route_set_weight,
+	route_value_compile,
+	route_value_free,
 };
 
 /* `set distance DISTANCE */
@@ -1776,7 +1857,7 @@ route_set_distance(void *rule, const struct prefix *prefix,
 }
 
 /* set distance rule structure */
-struct route_map_rule_cmd route_set_distance_cmd = {
+static const struct route_map_rule_cmd route_set_distance_cmd = {
 	"distance",
 	route_set_distance,
 	route_value_compile,
@@ -1809,8 +1890,11 @@ route_set_metric(void *rule, const struct prefix *prefix,
 }
 
 /* Set metric rule structure. */
-struct route_map_rule_cmd route_set_metric_cmd = {
-	"metric", route_set_metric, route_value_compile, route_value_free,
+static const struct route_map_rule_cmd route_set_metric_cmd = {
+	"metric",
+	route_set_metric,
+	route_value_compile,
+	route_value_free,
 };
 
 /* `set table (1-4294967295)' */
@@ -1834,9 +1918,11 @@ static enum route_map_cmd_result_t route_set_table_id(void *rule,
 }
 
 /* Set table_id rule structure. */
-static struct route_map_rule_cmd route_set_table_id_cmd = {
-	"table", route_set_table_id,
-	route_value_compile, route_value_free
+static const struct route_map_rule_cmd route_set_table_id_cmd = {
+	"table",
+	route_set_table_id,
+	route_value_compile,
+	route_value_free
 };
 
 /* `set as-path prepend ASPATH' */
@@ -1892,9 +1978,11 @@ static void route_set_aspath_prepend_free(void *rule)
 
 
 /* Set as-path prepend rule structure. */
-struct route_map_rule_cmd route_set_aspath_prepend_cmd = {
-	"as-path prepend", route_set_aspath_prepend,
-	route_set_aspath_prepend_compile, route_set_aspath_prepend_free,
+static const struct route_map_rule_cmd route_set_aspath_prepend_cmd = {
+	"as-path prepend",
+	route_set_aspath_prepend,
+	route_set_aspath_prepend_compile,
+	route_set_aspath_prepend_free,
 };
 
 /* `set as-path exclude ASn' */
@@ -1925,8 +2013,10 @@ route_set_aspath_exclude(void *rule, const struct prefix *dummy,
 }
 
 /* Set ASn exlude rule structure. */
-struct route_map_rule_cmd route_set_aspath_exclude_cmd = {
-	"as-path exclude", route_set_aspath_exclude, route_aspath_compile,
+static const struct route_map_rule_cmd route_set_aspath_exclude_cmd = {
+	"as-path exclude",
+	route_set_aspath_exclude,
+	route_aspath_compile,
 	route_aspath_free,
 };
 
@@ -2039,8 +2129,10 @@ static void route_set_community_free(void *rule)
 }
 
 /* Set community rule structure. */
-struct route_map_rule_cmd route_set_community_cmd = {
-	"community", route_set_community, route_set_community_compile,
+static const struct route_map_rule_cmd route_set_community_cmd = {
+	"community",
+	route_set_community,
+	route_set_community_compile,
 	route_set_community_free,
 };
 
@@ -2157,8 +2249,10 @@ static void route_set_lcommunity_free(void *rule)
 }
 
 /* Set community rule structure. */
-struct route_map_rule_cmd route_set_lcommunity_cmd = {
-	"large-community", route_set_lcommunity, route_set_lcommunity_compile,
+static const struct route_map_rule_cmd route_set_lcommunity_cmd = {
+	"large-community",
+	route_set_lcommunity,
+	route_set_lcommunity_compile,
 	route_set_lcommunity_free,
 };
 
@@ -2246,9 +2340,11 @@ static void route_set_lcommunity_delete_free(void *rule)
 }
 
 /* Set lcommunity rule structure. */
-struct route_map_rule_cmd route_set_lcommunity_delete_cmd = {
-	"large-comm-list", route_set_lcommunity_delete,
-	route_set_lcommunity_delete_compile, route_set_lcommunity_delete_free,
+static const struct route_map_rule_cmd route_set_lcommunity_delete_cmd = {
+	"large-comm-list",
+	route_set_lcommunity_delete,
+	route_set_lcommunity_delete_compile,
+	route_set_lcommunity_delete_free,
 };
 
 
@@ -2336,9 +2432,11 @@ static void route_set_community_delete_free(void *rule)
 }
 
 /* Set community rule structure. */
-struct route_map_rule_cmd route_set_community_delete_cmd = {
-	"comm-list", route_set_community_delete,
-	route_set_community_delete_compile, route_set_community_delete_free,
+static const struct route_map_rule_cmd route_set_community_delete_cmd = {
+	"comm-list",
+	route_set_community_delete,
+	route_set_community_delete_compile,
+	route_set_community_delete_free,
 };
 
 /* `set extcommunity rt COMMUNITY' */
@@ -2403,9 +2501,11 @@ static void route_set_ecommunity_free(void *rule)
 }
 
 /* Set community rule structure. */
-struct route_map_rule_cmd route_set_ecommunity_rt_cmd = {
-	"extcommunity rt", route_set_ecommunity,
-	route_set_ecommunity_rt_compile, route_set_ecommunity_free,
+static const struct route_map_rule_cmd route_set_ecommunity_rt_cmd = {
+	"extcommunity rt",
+	route_set_ecommunity,
+	route_set_ecommunity_rt_compile,
+	route_set_ecommunity_free,
 };
 
 /* `set extcommunity soo COMMUNITY' */
@@ -2423,9 +2523,11 @@ static void *route_set_ecommunity_soo_compile(const char *arg)
 }
 
 /* Set community rule structure. */
-struct route_map_rule_cmd route_set_ecommunity_soo_cmd = {
-	"extcommunity soo", route_set_ecommunity,
-	route_set_ecommunity_soo_compile, route_set_ecommunity_free,
+static const struct route_map_rule_cmd route_set_ecommunity_soo_cmd = {
+	"extcommunity soo",
+	route_set_ecommunity,
+	route_set_ecommunity_soo_compile,
+	route_set_ecommunity_free,
 };
 
 /* `set origin ORIGIN' */
@@ -2472,8 +2574,10 @@ static void route_set_origin_free(void *rule)
 }
 
 /* Set origin rule structure. */
-struct route_map_rule_cmd route_set_origin_cmd = {
-	"origin", route_set_origin, route_set_origin_compile,
+static const struct route_map_rule_cmd route_set_origin_cmd = {
+	"origin",
+	route_set_origin,
+	route_set_origin_compile,
 	route_set_origin_free,
 };
 
@@ -2507,9 +2611,11 @@ static void route_set_atomic_aggregate_free(void *rule)
 }
 
 /* Set atomic aggregate rule structure. */
-struct route_map_rule_cmd route_set_atomic_aggregate_cmd = {
-	"atomic-aggregate", route_set_atomic_aggregate,
-	route_set_atomic_aggregate_compile, route_set_atomic_aggregate_free,
+static const struct route_map_rule_cmd route_set_atomic_aggregate_cmd = {
+	"atomic-aggregate",
+	route_set_atomic_aggregate,
+	route_set_atomic_aggregate_compile,
+	route_set_atomic_aggregate_free,
 };
 
 /* `set aggregator as AS A.B.C.D' */
@@ -2565,9 +2671,11 @@ static void route_set_aggregator_as_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-struct route_map_rule_cmd route_set_aggregator_as_cmd = {
-	"aggregator as", route_set_aggregator_as,
-	route_set_aggregator_as_compile, route_set_aggregator_as_free,
+static const struct route_map_rule_cmd route_set_aggregator_as_cmd = {
+	"aggregator as",
+	route_set_aggregator_as,
+	route_set_aggregator_as_compile,
+	route_set_aggregator_as_free,
 };
 
 /* Set tag to object. object must be pointer to struct bgp_path_info */
@@ -2590,8 +2698,10 @@ route_set_tag(void *rule, const struct prefix *prefix,
 }
 
 /* Route map commands for tag set. */
-static struct route_map_rule_cmd route_set_tag_cmd = {
-	"tag", route_set_tag, route_map_rule_tag_compile,
+static const struct route_map_rule_cmd route_set_tag_cmd = {
+	"tag",
+	route_set_tag,
+	route_map_rule_tag_compile,
 	route_map_rule_tag_free,
 };
 
@@ -2621,8 +2731,10 @@ route_set_label_index(void *rule, const struct prefix *prefix,
 }
 
 /* Route map commands for label-index set. */
-static struct route_map_rule_cmd route_set_label_index_cmd = {
-	"label-index", route_set_label_index, route_value_compile,
+static const struct route_map_rule_cmd route_set_label_index_cmd = {
+	"label-index",
+	route_set_label_index,
+	route_value_compile,
 	route_value_free,
 };
 
@@ -2657,9 +2769,12 @@ static void route_match_ipv6_address_free(void *rule)
 }
 
 /* Route map commands for ip address matching. */
-struct route_map_rule_cmd route_match_ipv6_address_cmd = {
-	"ipv6 address", route_match_ipv6_address,
-	route_match_ipv6_address_compile, route_match_ipv6_address_free};
+static const struct route_map_rule_cmd route_match_ipv6_address_cmd = {
+	"ipv6 address",
+	route_match_ipv6_address,
+	route_match_ipv6_address_compile,
+	route_match_ipv6_address_free
+};
 
 /* `match ipv6 next-hop IP_ADDRESS' */
 
@@ -2708,9 +2823,12 @@ static void route_match_ipv6_next_hop_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-struct route_map_rule_cmd route_match_ipv6_next_hop_cmd = {
-	"ipv6 next-hop", route_match_ipv6_next_hop,
-	route_match_ipv6_next_hop_compile, route_match_ipv6_next_hop_free};
+static const struct route_map_rule_cmd route_match_ipv6_next_hop_cmd = {
+	"ipv6 next-hop",
+	route_match_ipv6_next_hop,
+	route_match_ipv6_next_hop_compile,
+	route_match_ipv6_next_hop_free
+};
 
 /* `match ipv6 address prefix-list PREFIX_LIST' */
 
@@ -2732,10 +2850,13 @@ static void route_match_ipv6_address_prefix_list_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-struct route_map_rule_cmd route_match_ipv6_address_prefix_list_cmd = {
-	"ipv6 address prefix-list", route_match_ipv6_address_prefix_list,
+static const struct route_map_rule_cmd
+		route_match_ipv6_address_prefix_list_cmd = {
+	"ipv6 address prefix-list",
+	route_match_ipv6_address_prefix_list,
 	route_match_ipv6_address_prefix_list_compile,
-	route_match_ipv6_address_prefix_list_free};
+	route_match_ipv6_address_prefix_list_free
+};
 
 /* `match ipv6 next-hop type <TYPE>' */
 
@@ -2779,10 +2900,13 @@ static void route_match_ipv6_next_hop_type_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-struct route_map_rule_cmd route_match_ipv6_next_hop_type_cmd = {
-	"ipv6 next-hop type", route_match_ipv6_next_hop_type,
+static const struct route_map_rule_cmd
+		route_match_ipv6_next_hop_type_cmd = {
+	"ipv6 next-hop type",
+	route_match_ipv6_next_hop_type,
 	route_match_ipv6_next_hop_type_compile,
-	route_match_ipv6_next_hop_type_free};
+	route_match_ipv6_next_hop_type_free
+};
 
 /* `set ipv6 nexthop global IP_ADDRESS' */
 
@@ -2839,10 +2963,13 @@ static void route_set_ipv6_nexthop_global_free(void *rule)
 }
 
 /* Route map commands for ip nexthop set. */
-struct route_map_rule_cmd route_set_ipv6_nexthop_global_cmd = {
-	"ipv6 next-hop global", route_set_ipv6_nexthop_global,
+static const struct route_map_rule_cmd
+		route_set_ipv6_nexthop_global_cmd = {
+	"ipv6 next-hop global",
+	route_set_ipv6_nexthop_global,
 	route_set_ipv6_nexthop_global_compile,
-	route_set_ipv6_nexthop_global_free};
+	route_set_ipv6_nexthop_global_free
+};
 
 /* Set next-hop preference value. */
 static enum route_map_cmd_result_t
@@ -2889,10 +3016,13 @@ static void route_set_ipv6_nexthop_prefer_global_free(void *rule)
 }
 
 /* Route map commands for ip nexthop set preferred. */
-struct route_map_rule_cmd route_set_ipv6_nexthop_prefer_global_cmd = {
-	"ipv6 next-hop prefer-global", route_set_ipv6_nexthop_prefer_global,
+static const struct route_map_rule_cmd
+		route_set_ipv6_nexthop_prefer_global_cmd = {
+	"ipv6 next-hop prefer-global",
+	route_set_ipv6_nexthop_prefer_global,
 	route_set_ipv6_nexthop_prefer_global_compile,
-	route_set_ipv6_nexthop_prefer_global_free};
+	route_set_ipv6_nexthop_prefer_global_free
+};
 
 /* `set ipv6 nexthop local IP_ADDRESS' */
 
@@ -2951,10 +3081,13 @@ static void route_set_ipv6_nexthop_local_free(void *rule)
 }
 
 /* Route map commands for ip nexthop set. */
-struct route_map_rule_cmd route_set_ipv6_nexthop_local_cmd = {
-	"ipv6 next-hop local", route_set_ipv6_nexthop_local,
+static const struct route_map_rule_cmd
+		route_set_ipv6_nexthop_local_cmd = {
+	"ipv6 next-hop local",
+	route_set_ipv6_nexthop_local,
 	route_set_ipv6_nexthop_local_compile,
-	route_set_ipv6_nexthop_local_free};
+	route_set_ipv6_nexthop_local_free
+};
 
 /* `set ipv6 nexthop peer-address' */
 
@@ -3033,9 +3166,12 @@ static void route_set_ipv6_nexthop_peer_free(void *rule)
 }
 
 /* Route map commands for ip nexthop set. */
-struct route_map_rule_cmd route_set_ipv6_nexthop_peer_cmd = {
-	"ipv6 next-hop peer-address", route_set_ipv6_nexthop_peer,
-	route_set_ipv6_nexthop_peer_compile, route_set_ipv6_nexthop_peer_free};
+static const struct route_map_rule_cmd route_set_ipv6_nexthop_peer_cmd = {
+	"ipv6 next-hop peer-address",
+	route_set_ipv6_nexthop_peer,
+	route_set_ipv6_nexthop_peer_compile,
+	route_set_ipv6_nexthop_peer_free
+};
 
 /* `set ipv4 vpn next-hop A.B.C.D' */
 
@@ -3121,14 +3257,20 @@ static void route_set_vpn_nexthop_free(void *rule)
 }
 
 /* Route map commands for ipv4 next-hop set. */
-struct route_map_rule_cmd route_set_vpnv4_nexthop_cmd = {
-	"ipv4 vpn next-hop", route_set_vpnv4_nexthop,
-	route_set_vpnv4_nexthop_compile, route_set_vpn_nexthop_free};
+static const struct route_map_rule_cmd route_set_vpnv4_nexthop_cmd = {
+	"ipv4 vpn next-hop",
+	route_set_vpnv4_nexthop,
+	route_set_vpnv4_nexthop_compile,
+	route_set_vpn_nexthop_free
+};
 
 /* Route map commands for ipv6 next-hop set. */
-struct route_map_rule_cmd route_set_vpnv6_nexthop_cmd = {
-	"ipv6 vpn next-hop", route_set_vpnv6_nexthop,
-	route_set_vpnv6_nexthop_compile, route_set_vpn_nexthop_free};
+static const struct route_map_rule_cmd route_set_vpnv6_nexthop_cmd = {
+	"ipv6 vpn next-hop",
+	route_set_vpnv6_nexthop,
+	route_set_vpnv6_nexthop_compile,
+	route_set_vpn_nexthop_free
+};
 
 /* `set originator-id' */
 
@@ -3176,9 +3318,11 @@ static void route_set_originator_id_free(void *rule)
 }
 
 /* Set originator-id rule structure. */
-struct route_map_rule_cmd route_set_originator_id_cmd = {
-	"originator-id", route_set_originator_id,
-	route_set_originator_id_compile, route_set_originator_id_free,
+static const struct route_map_rule_cmd route_set_originator_id_cmd = {
+	"originator-id",
+	route_set_originator_id,
+	route_set_originator_id_compile,
+	route_set_originator_id_free,
 };
 
 /* Add bgp route map rule. */
diff --git a/bgpd/bgp_rpki.c b/bgpd/bgp_rpki.c
index 3b89e50ce..7247210c9 100644
--- a/bgpd/bgp_rpki.c
+++ b/bgpd/bgp_rpki.c
@@ -143,7 +143,7 @@ static int rpki_sync_socket_rtr;
 static int rpki_sync_socket_bgpd;
 
 static struct cmd_node rpki_node = {RPKI_NODE, "%s(config-rpki)# ", 1};
-static struct route_map_rule_cmd route_match_rpki_cmd = {
+static const struct route_map_rule_cmd route_match_rpki_cmd = {
 	"rpki", route_match, route_match_compile, route_match_free};
 
 static void *malloc_wrapper(size_t size)
diff --git a/eigrpd/eigrp_routemap.c b/eigrpd/eigrp_routemap.c
index e7a7cc56a..df7b9c94e 100644
--- a/eigrpd/eigrp_routemap.c
+++ b/eigrpd/eigrp_routemap.c
@@ -319,9 +319,12 @@ static void route_match_metric_free(void *rule)
 }
 
 /* Route map commands for metric matching. */
-struct route_map_rule_cmd route_match_metric_cmd = {
-	"metric", route_match_metric, route_match_metric_compile,
-	route_match_metric_free};
+static const struct route_map_rule_cmd route_match_metric_cmd = {
+	"metric",
+	route_match_metric,
+	route_match_metric_compile,
+	route_match_metric_free
+};
 
 /* `match interface IFNAME' */
 /* Match function return 1 if match is success else return zero. */
@@ -366,9 +369,12 @@ static void route_match_interface_free(void *rule)
 }
 
 /* Route map commands for interface matching. */
-struct route_map_rule_cmd route_match_interface_cmd = {
-	"interface", route_match_interface, route_match_interface_compile,
-	route_match_interface_free};
+static const struct route_map_rule_cmd route_match_interface_cmd = {
+	"interface",
+	route_match_interface,
+	route_match_interface_compile,
+	route_match_interface_free
+};
 
 /* `match ip next-hop IP_ACCESS_LIST' */
 
@@ -413,9 +419,12 @@ static void route_match_ip_next_hop_free(void *rule)
 }
 
 /* Route map commands for ip next-hop matching. */
-static struct route_map_rule_cmd route_match_ip_next_hop_cmd = {
-	"ip next-hop", route_match_ip_next_hop, route_match_ip_next_hop_compile,
-	route_match_ip_next_hop_free};
+static const struct route_map_rule_cmd route_match_ip_next_hop_cmd = {
+	"ip next-hop",
+	route_match_ip_next_hop,
+	route_match_ip_next_hop_compile,
+	route_match_ip_next_hop_free
+};
 
 /* `match ip next-hop prefix-list PREFIX_LIST' */
 
@@ -455,10 +464,13 @@ static void route_match_ip_next_hop_prefix_list_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-static struct route_map_rule_cmd route_match_ip_next_hop_prefix_list_cmd = {
-	"ip next-hop prefix-list", route_match_ip_next_hop_prefix_list,
+static const struct route_map_rule_cmd
+		route_match_ip_next_hop_prefix_list_cmd = {
+	"ip next-hop prefix-list",
+	route_match_ip_next_hop_prefix_list,
 	route_match_ip_next_hop_prefix_list_compile,
-	route_match_ip_next_hop_prefix_list_free};
+	route_match_ip_next_hop_prefix_list_free
+};
 
 /* `match ip address IP_ACCESS_LIST' */
 
@@ -496,9 +508,12 @@ static void route_match_ip_address_free(void *rule)
 }
 
 /* Route map commands for ip address matching. */
-static struct route_map_rule_cmd route_match_ip_address_cmd = {
-	"ip address", route_match_ip_address, route_match_ip_address_compile,
-	route_match_ip_address_free};
+static const struct route_map_rule_cmd route_match_ip_address_cmd = {
+	"ip address",
+	route_match_ip_address,
+	route_match_ip_address_compile,
+	route_match_ip_address_free
+};
 
 /* `match ip address prefix-list PREFIX_LIST' */
 
@@ -530,10 +545,13 @@ static void route_match_ip_address_prefix_list_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-static struct route_map_rule_cmd route_match_ip_address_prefix_list_cmd = {
-	"ip address prefix-list", route_match_ip_address_prefix_list,
+static const struct route_map_rule_cmd
+		route_match_ip_address_prefix_list_cmd = {
+	"ip address prefix-list",
+	route_match_ip_address_prefix_list,
 	route_match_ip_address_prefix_list_compile,
-	route_match_ip_address_prefix_list_free};
+	route_match_ip_address_prefix_list_free
+};
 
 /* `match tag TAG' */
 /* Match function return 1 if match is success else return zero. */
@@ -576,8 +594,12 @@ static void route_match_tag_free(void *rule)
 }
 
 /* Route map commands for tag matching. */
-struct route_map_rule_cmd route_match_tag_cmd = {
-	"tag", route_match_tag, route_match_tag_compile, route_match_tag_free};
+static const struct route_map_rule_cmd route_match_tag_cmd = {
+	"tag",
+	route_match_tag,
+	route_match_tag_compile,
+	route_match_tag_free
+};
 
 /* Set metric to attribute. */
 static enum route_map_cmd_result_t
@@ -666,8 +688,10 @@ static void route_set_metric_free(void *rule)
 }
 
 /* Set metric rule structure. */
-static struct route_map_rule_cmd route_set_metric_cmd = {
-	"metric", route_set_metric, route_set_metric_compile,
+static const struct route_map_rule_cmd route_set_metric_cmd = {
+	"metric",
+	route_set_metric,
+	route_set_metric_compile,
 	route_set_metric_free,
 };
 
@@ -722,9 +746,12 @@ static void route_set_ip_nexthop_free(void *rule)
 }
 
 /* Route map commands for ip nexthop set. */
-static struct route_map_rule_cmd route_set_ip_nexthop_cmd = {
-	"ip next-hop", route_set_ip_nexthop, route_set_ip_nexthop_compile,
-	route_set_ip_nexthop_free};
+static const struct route_map_rule_cmd route_set_ip_nexthop_cmd = {
+	"ip next-hop",
+	route_set_ip_nexthop,
+	route_set_ip_nexthop_compile,
+	route_set_ip_nexthop_free
+};
 
 /* `set tag TAG' */
 
@@ -768,8 +795,12 @@ static void route_set_tag_free(void *rule)
 }
 
 /* Route map commands for tag set. */
-static struct route_map_rule_cmd route_set_tag_cmd = {
-	"tag", route_set_tag, route_set_tag_compile, route_set_tag_free};
+static const struct route_map_rule_cmd route_set_tag_cmd = {
+	"tag",
+	route_set_tag,
+	route_set_tag_compile,
+	route_set_tag_free
+};
 
 #define MATCH_STR "Match values from routing table\n"
 #define SET_STR "Set values in destination routing protocol\n"
diff --git a/isisd/isis_routemap.c b/isisd/isis_routemap.c
index eb9b661d3..902528e1b 100644
--- a/isisd/isis_routemap.c
+++ b/isisd/isis_routemap.c
@@ -74,9 +74,12 @@ static void route_match_ip_address_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-static struct route_map_rule_cmd route_match_ip_address_cmd = {
-	"ip address", route_match_ip_address, route_match_ip_address_compile,
-	route_match_ip_address_free};
+static const struct route_map_rule_cmd route_match_ip_address_cmd = {
+	"ip address",
+	route_match_ip_address,
+	route_match_ip_address_compile,
+	route_match_ip_address_free
+};
 
 /* ------------------------------------------------------------*/
 
@@ -106,10 +109,13 @@ static void route_match_ip_address_prefix_list_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-struct route_map_rule_cmd route_match_ip_address_prefix_list_cmd = {
-	"ip address prefix-list", route_match_ip_address_prefix_list,
+static const struct route_map_rule_cmd
+		route_match_ip_address_prefix_list_cmd = {
+	"ip address prefix-list",
+	route_match_ip_address_prefix_list,
 	route_match_ip_address_prefix_list_compile,
-	route_match_ip_address_prefix_list_free};
+	route_match_ip_address_prefix_list_free
+};
 
 /* ------------------------------------------------------------*/
 
@@ -139,9 +145,12 @@ static void route_match_ipv6_address_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-static struct route_map_rule_cmd route_match_ipv6_address_cmd = {
-	"ipv6 address", route_match_ipv6_address,
-	route_match_ipv6_address_compile, route_match_ipv6_address_free};
+static const struct route_map_rule_cmd route_match_ipv6_address_cmd = {
+	"ipv6 address",
+	route_match_ipv6_address,
+	route_match_ipv6_address_compile,
+	route_match_ipv6_address_free
+};
 
 /* ------------------------------------------------------------*/
 
@@ -171,10 +180,13 @@ static void route_match_ipv6_address_prefix_list_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-struct route_map_rule_cmd route_match_ipv6_address_prefix_list_cmd = {
-	"ipv6 address prefix-list", route_match_ipv6_address_prefix_list,
+static const struct route_map_rule_cmd
+		route_match_ipv6_address_prefix_list_cmd = {
+	"ipv6 address prefix-list",
+	route_match_ipv6_address_prefix_list,
 	route_match_ipv6_address_prefix_list_compile,
-	route_match_ipv6_address_prefix_list_free};
+	route_match_ipv6_address_prefix_list_free
+};
 
 /* ------------------------------------------------------------*/
 
@@ -215,9 +227,12 @@ static void route_set_metric_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-static struct route_map_rule_cmd route_set_metric_cmd = {
-	"metric", route_set_metric, route_set_metric_compile,
-	route_set_metric_free};
+static const struct route_map_rule_cmd route_set_metric_cmd = {
+	"metric",
+	route_set_metric,
+	route_set_metric_compile,
+	route_set_metric_free
+};
 
 void isis_route_map_init(void)
 {
diff --git a/lib/routemap.c b/lib/routemap.c
index 580d89844..c0e01488b 100644
--- a/lib/routemap.c
+++ b/lib/routemap.c
@@ -598,7 +598,7 @@ int generic_set_delete(struct vty *vty, struct route_map_index *index,
 /* Route map rule. This rule has both `match' rule and `set' rule. */
 struct route_map_rule {
 	/* Rule type. */
-	struct route_map_rule_cmd *cmd;
+	const struct route_map_rule_cmd *cmd;
 
 	/* For pretty printing. */
 	char *rule_str;
@@ -1228,22 +1228,22 @@ static struct route_map_rule *route_map_rule_new(void)
 }
 
 /* Install rule command to the match list. */
-void route_map_install_match(struct route_map_rule_cmd *cmd)
+void route_map_install_match(const struct route_map_rule_cmd *cmd)
 {
-	vector_set(route_match_vec, cmd);
+	vector_set(route_match_vec, (void *)cmd);
 }
 
 /* Install rule command to the set list. */
-void route_map_install_set(struct route_map_rule_cmd *cmd)
+void route_map_install_set(const struct route_map_rule_cmd *cmd)
 {
-	vector_set(route_set_vec, cmd);
+	vector_set(route_set_vec, (void *)cmd);
 }
 
 /* Lookup rule command from match list. */
-static struct route_map_rule_cmd *route_map_lookup_match(const char *name)
+static const struct route_map_rule_cmd *route_map_lookup_match(const char *name)
 {
 	unsigned int i;
-	struct route_map_rule_cmd *rule;
+	const struct route_map_rule_cmd *rule;
 
 	for (i = 0; i < vector_active(route_match_vec); i++)
 		if ((rule = vector_slot(route_match_vec, i)) != NULL)
@@ -1253,10 +1253,10 @@ static struct route_map_rule_cmd *route_map_lookup_match(const char *name)
 }
 
 /* Lookup rule command from set list. */
-static struct route_map_rule_cmd *route_map_lookup_set(const char *name)
+static const struct route_map_rule_cmd *route_map_lookup_set(const char *name)
 {
 	unsigned int i;
-	struct route_map_rule_cmd *rule;
+	const struct route_map_rule_cmd *rule;
 
 	for (i = 0; i < vector_active(route_set_vec); i++)
 		if ((rule = vector_slot(route_set_vec, i)) != NULL)
@@ -1324,7 +1324,7 @@ const char *route_map_get_match_arg(struct route_map_index *index,
 				    const char *match_name)
 {
 	struct route_map_rule *rule;
-	struct route_map_rule_cmd *cmd;
+	const struct route_map_rule_cmd *cmd;
 
 	/* First lookup rule for add match statement. */
 	cmd = route_map_lookup_match(match_name);
@@ -1396,7 +1396,7 @@ enum rmap_compile_rets route_map_add_match(struct route_map_index *index,
 {
 	struct route_map_rule *rule;
 	struct route_map_rule *next;
-	struct route_map_rule_cmd *cmd;
+	const struct route_map_rule_cmd *cmd;
 	void *compile;
 	int8_t delete_rmap_event_type = 0;
 	const char *rule_key;
@@ -1482,7 +1482,7 @@ enum rmap_compile_rets route_map_delete_match(struct route_map_index *index,
 					      route_map_event_t type)
 {
 	struct route_map_rule *rule;
-	struct route_map_rule_cmd *cmd;
+	const struct route_map_rule_cmd *cmd;
 	const char *rule_key;
 
 	cmd = route_map_lookup_match(match_name);
@@ -1523,7 +1523,7 @@ enum rmap_compile_rets route_map_add_set(struct route_map_index *index,
 {
 	struct route_map_rule *rule;
 	struct route_map_rule *next;
-	struct route_map_rule_cmd *cmd;
+	const struct route_map_rule_cmd *cmd;
 	void *compile;
 
 	cmd = route_map_lookup_set(set_name);
@@ -1574,7 +1574,7 @@ enum rmap_compile_rets route_map_delete_set(struct route_map_index *index,
 					    const char *set_arg)
 {
 	struct route_map_rule *rule;
-	struct route_map_rule_cmd *cmd;
+	const struct route_map_rule_cmd *cmd;
 
 	cmd = route_map_lookup_set(set_name);
 	if (cmd == NULL)
diff --git a/lib/routemap.h b/lib/routemap.h
index e6eccd4b2..1ffd0525a 100644
--- a/lib/routemap.h
+++ b/lib/routemap.h
@@ -246,7 +246,7 @@ route_map_delete_set(struct route_map_index *index,
 		     const char *set_name, const char *set_arg);
 
 /* Install rule command to the match list. */
-extern void route_map_install_match(struct route_map_rule_cmd *cmd);
+extern void route_map_install_match(const struct route_map_rule_cmd *cmd);
 
 /*
  * Install rule command to the set list.
@@ -257,7 +257,7 @@ extern void route_map_install_match(struct route_map_rule_cmd *cmd);
  * in the apply command).  See 'set metric' command
  * as it is handled in ripd/ripngd and ospfd.
  */
-extern void route_map_install_set(struct route_map_rule_cmd *cmd);
+extern void route_map_install_set(const struct route_map_rule_cmd *cmd);
 
 /* Lookup route map by name. */
 extern struct route_map *route_map_lookup_by_name(const char *name);
diff --git a/ospf6d/ospf6_asbr.c b/ospf6d/ospf6_asbr.c
index 7914412e8..facb6aa63 100644
--- a/ospf6d/ospf6_asbr.c
+++ b/ospf6d/ospf6_asbr.c
@@ -1385,7 +1385,8 @@ static void ospf6_routemap_rule_match_address_prefixlist_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-struct route_map_rule_cmd ospf6_routemap_rule_match_address_prefixlist_cmd = {
+static const struct route_map_rule_cmd
+		ospf6_routemap_rule_match_address_prefixlist_cmd = {
 	"ipv6 address prefix-list",
 	ospf6_routemap_rule_match_address_prefixlist,
 	ospf6_routemap_rule_match_address_prefixlist_compile,
@@ -1427,10 +1428,13 @@ static void ospf6_routemap_rule_match_interface_free(void *rule)
 }
 
 /* Route map commands for interface matching. */
-struct route_map_rule_cmd ospf6_routemap_rule_match_interface_cmd = {
-	"interface", ospf6_routemap_rule_match_interface,
+static const struct route_map_rule_cmd
+		ospf6_routemap_rule_match_interface_cmd = {
+	"interface",
+	ospf6_routemap_rule_match_interface,
 	ospf6_routemap_rule_match_interface_compile,
-	ospf6_routemap_rule_match_interface_free};
+	ospf6_routemap_rule_match_interface_free
+};
 
 /* Match function for matching route tags */
 static enum route_map_cmd_result_t
@@ -1447,8 +1451,11 @@ ospf6_routemap_rule_match_tag(void *rule, const struct prefix *p,
 	return RMAP_NOMATCH;
 }
 
-static struct route_map_rule_cmd ospf6_routemap_rule_match_tag_cmd = {
-	"tag", ospf6_routemap_rule_match_tag, route_map_rule_tag_compile,
+static const struct route_map_rule_cmd
+		ospf6_routemap_rule_match_tag_cmd = {
+	"tag",
+	ospf6_routemap_rule_match_tag,
+	route_map_rule_tag_compile,
 	route_map_rule_tag_free,
 };
 
@@ -1482,8 +1489,10 @@ static void ospf6_routemap_rule_set_metric_type_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-struct route_map_rule_cmd ospf6_routemap_rule_set_metric_type_cmd = {
-	"metric-type", ospf6_routemap_rule_set_metric_type,
+static const struct route_map_rule_cmd
+		ospf6_routemap_rule_set_metric_type_cmd = {
+	"metric-type",
+	ospf6_routemap_rule_set_metric_type,
 	ospf6_routemap_rule_set_metric_type_compile,
 	ospf6_routemap_rule_set_metric_type_free,
 };
@@ -1517,8 +1526,10 @@ static void ospf6_routemap_rule_set_metric_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-struct route_map_rule_cmd ospf6_routemap_rule_set_metric_cmd = {
-	"metric", ospf6_routemap_rule_set_metric,
+static const struct route_map_rule_cmd
+		ospf6_routemap_rule_set_metric_cmd = {
+	"metric",
+	ospf6_routemap_rule_set_metric,
 	ospf6_routemap_rule_set_metric_compile,
 	ospf6_routemap_rule_set_metric_free,
 };
@@ -1555,8 +1566,10 @@ static void ospf6_routemap_rule_set_forwarding_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-struct route_map_rule_cmd ospf6_routemap_rule_set_forwarding_cmd = {
-	"forwarding-address", ospf6_routemap_rule_set_forwarding,
+static const struct route_map_rule_cmd
+		ospf6_routemap_rule_set_forwarding_cmd = {
+	"forwarding-address",
+	ospf6_routemap_rule_set_forwarding,
 	ospf6_routemap_rule_set_forwarding_compile,
 	ospf6_routemap_rule_set_forwarding_free,
 };
@@ -1576,8 +1589,11 @@ ospf6_routemap_rule_set_tag(void *rule, const struct prefix *p,
 	return RMAP_OKAY;
 }
 
-static struct route_map_rule_cmd ospf6_routemap_rule_set_tag_cmd = {
-	"tag", ospf6_routemap_rule_set_tag, route_map_rule_tag_compile,
+static const struct route_map_rule_cmd
+		ospf6_routemap_rule_set_tag_cmd = {
+	"tag",
+	ospf6_routemap_rule_set_tag,
+	route_map_rule_tag_compile,
 	route_map_rule_tag_free,
 };
 
@@ -1842,7 +1858,7 @@ DEFUN (show_ipv6_ospf6_redistribute,
 	return CMD_SUCCESS;
 }
 
-struct ospf6_lsa_handler as_external_handler = {
+static const struct ospf6_lsa_handler as_external_handler = {
 	.lh_type = OSPF6_LSTYPE_AS_EXTERNAL,
 	.lh_name = "AS-External",
 	.lh_short_name = "ASE",
diff --git a/ospfd/ospf_routemap.c b/ospfd/ospf_routemap.c
index 1669c817e..c89fd3597 100644
--- a/ospfd/ospf_routemap.c
+++ b/ospfd/ospf_routemap.c
@@ -164,9 +164,12 @@ static void route_match_ip_nexthop_free(void *rule)
 }
 
 /* Route map commands for metric matching. */
-struct route_map_rule_cmd route_match_ip_nexthop_cmd = {
-	"ip next-hop", route_match_ip_nexthop, route_match_ip_nexthop_compile,
-	route_match_ip_nexthop_free};
+static const struct route_map_rule_cmd route_match_ip_nexthop_cmd = {
+	"ip next-hop",
+	route_match_ip_nexthop,
+	route_match_ip_nexthop_compile,
+	route_match_ip_nexthop_free
+};
 
 /* `match ip next-hop prefix-list PREFIX_LIST' */
 
@@ -204,10 +207,13 @@ static void route_match_ip_next_hop_prefix_list_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-struct route_map_rule_cmd route_match_ip_next_hop_prefix_list_cmd = {
-	"ip next-hop prefix-list", route_match_ip_next_hop_prefix_list,
+static const struct route_map_rule_cmd
+		route_match_ip_next_hop_prefix_list_cmd = {
+	"ip next-hop prefix-list",
+	route_match_ip_next_hop_prefix_list,
 	route_match_ip_next_hop_prefix_list_compile,
-	route_match_ip_next_hop_prefix_list_free};
+	route_match_ip_next_hop_prefix_list_free
+};
 
 /* `match ip next-hop type <blackhole>' */
 
@@ -238,10 +244,13 @@ 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,
+static const 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};
+	route_match_ip_next_hop_type_free
+};
 
 /* `match ip address IP_ACCESS_LIST' */
 /* Match function should return 1 if match is success else return
@@ -279,9 +288,12 @@ static void route_match_ip_address_free(void *rule)
 }
 
 /* Route map commands for ip address matching. */
-struct route_map_rule_cmd route_match_ip_address_cmd = {
-	"ip address", route_match_ip_address, route_match_ip_address_compile,
-	route_match_ip_address_free};
+static const struct route_map_rule_cmd route_match_ip_address_cmd = {
+	"ip address",
+	route_match_ip_address,
+	route_match_ip_address_compile,
+	route_match_ip_address_free
+};
 
 /* `match ip address prefix-list PREFIX_LIST' */
 static enum route_map_cmd_result_t
@@ -312,10 +324,13 @@ static void route_match_ip_address_prefix_list_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-struct route_map_rule_cmd route_match_ip_address_prefix_list_cmd = {
-	"ip address prefix-list", route_match_ip_address_prefix_list,
+static const struct route_map_rule_cmd
+		route_match_ip_address_prefix_list_cmd = {
+	"ip address prefix-list",
+	route_match_ip_address_prefix_list,
 	route_match_ip_address_prefix_list_compile,
-	route_match_ip_address_prefix_list_free};
+	route_match_ip_address_prefix_list_free
+};
 
 /* `match interface IFNAME' */
 /* Match function should return 1 if match is success else return
@@ -353,9 +368,12 @@ static void route_match_interface_free(void *rule)
 }
 
 /* Route map commands for ip address matching. */
-struct route_map_rule_cmd route_match_interface_cmd = {
-	"interface", route_match_interface, route_match_interface_compile,
-	route_match_interface_free};
+static const struct route_map_rule_cmd route_match_interface_cmd = {
+	"interface",
+	route_match_interface,
+	route_match_interface_compile,
+	route_match_interface_free
+};
 
 /* Match function return 1 if match is success else return zero. */
 static enum route_map_cmd_result_t
@@ -376,8 +394,10 @@ route_match_tag(void *rule, const struct prefix *prefix,
 }
 
 /* Route map commands for tag matching. */
-static struct route_map_rule_cmd route_match_tag_cmd = {
-	"tag", route_match_tag, route_map_rule_tag_compile,
+static const struct route_map_rule_cmd route_match_tag_cmd = {
+	"tag",
+	route_match_tag,
+	route_map_rule_tag_compile,
 	route_map_rule_tag_free,
 };
 
@@ -462,8 +482,10 @@ static void route_set_metric_free(void *rule)
 }
 
 /* Set metric rule structure. */
-struct route_map_rule_cmd route_set_metric_cmd = {
-	"metric", route_set_metric, route_set_metric_compile,
+static const struct route_map_rule_cmd route_set_metric_cmd = {
+	"metric",
+	route_set_metric,
+	route_set_metric_compile,
 	route_set_metric_free,
 };
 
@@ -513,8 +535,10 @@ static void route_set_metric_type_free(void *rule)
 }
 
 /* Set metric rule structure. */
-struct route_map_rule_cmd route_set_metric_type_cmd = {
-	"metric-type", route_set_metric_type, route_set_metric_type_compile,
+static const struct route_map_rule_cmd route_set_metric_type_cmd = {
+	"metric-type",
+	route_set_metric_type,
+	route_set_metric_type_compile,
 	route_set_metric_type_free,
 };
 
@@ -537,8 +561,10 @@ route_set_tag(void *rule, const struct prefix *prefix, route_map_object_t type,
 }
 
 /* Route map commands for tag set. */
-static struct route_map_rule_cmd route_set_tag_cmd = {
-	"tag", route_set_tag, route_map_rule_tag_compile,
+static const struct route_map_rule_cmd route_set_tag_cmd = {
+	"tag",
+	route_set_tag,
+	route_map_rule_tag_compile,
 	route_map_rule_tag_free,
 };
 
diff --git a/ripd/rip_routemap.c b/ripd/rip_routemap.c
index 459188fef..4e848766d 100644
--- a/ripd/rip_routemap.c
+++ b/ripd/rip_routemap.c
@@ -88,9 +88,12 @@ static void route_match_metric_free(void *rule)
 }
 
 /* Route map commands for metric matching. */
-struct route_map_rule_cmd route_match_metric_cmd = {
-	"metric", route_match_metric, route_match_metric_compile,
-	route_match_metric_free};
+static const struct route_map_rule_cmd route_match_metric_cmd = {
+	"metric",
+	route_match_metric,
+	route_match_metric_compile,
+	route_match_metric_free
+};
 
 /* `match interface IFNAME' */
 /* Match function return 1 if match is success else return zero. */
@@ -134,9 +137,12 @@ static void route_match_interface_free(void *rule)
 }
 
 /* Route map commands for interface matching. */
-struct route_map_rule_cmd route_match_interface_cmd = {
-	"interface", route_match_interface, route_match_interface_compile,
-	route_match_interface_free};
+static const struct route_map_rule_cmd route_match_interface_cmd = {
+	"interface",
+	route_match_interface,
+	route_match_interface_compile,
+	route_match_interface_free
+};
 
 /* `match ip next-hop IP_ACCESS_LIST' */
 
@@ -181,9 +187,12 @@ static void route_match_ip_next_hop_free(void *rule)
 }
 
 /* Route map commands for ip next-hop matching. */
-static struct route_map_rule_cmd route_match_ip_next_hop_cmd = {
-	"ip next-hop", route_match_ip_next_hop, route_match_ip_next_hop_compile,
-	route_match_ip_next_hop_free};
+static const struct route_map_rule_cmd route_match_ip_next_hop_cmd = {
+	"ip next-hop",
+	route_match_ip_next_hop,
+	route_match_ip_next_hop_compile,
+	route_match_ip_next_hop_free
+};
 
 /* `match ip next-hop prefix-list PREFIX_LIST' */
 
@@ -223,10 +232,13 @@ static void route_match_ip_next_hop_prefix_list_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-static struct route_map_rule_cmd route_match_ip_next_hop_prefix_list_cmd = {
-	"ip next-hop prefix-list", route_match_ip_next_hop_prefix_list,
+static const struct route_map_rule_cmd
+		route_match_ip_next_hop_prefix_list_cmd = {
+	"ip next-hop prefix-list",
+	route_match_ip_next_hop_prefix_list,
 	route_match_ip_next_hop_prefix_list_compile,
-	route_match_ip_next_hop_prefix_list_free};
+	route_match_ip_next_hop_prefix_list_free
+};
 
 /* `match ip next-hop type <blackhole>' */
 
@@ -257,10 +269,13 @@ 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,
+static const 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};
+	route_match_ip_next_hop_type_free
+};
 
 /* `match ip address IP_ACCESS_LIST' */
 
@@ -298,9 +313,12 @@ static void route_match_ip_address_free(void *rule)
 }
 
 /* Route map commands for ip address matching. */
-static struct route_map_rule_cmd route_match_ip_address_cmd = {
-	"ip address", route_match_ip_address, route_match_ip_address_compile,
-	route_match_ip_address_free};
+static const struct route_map_rule_cmd route_match_ip_address_cmd = {
+	"ip address",
+	route_match_ip_address,
+	route_match_ip_address_compile,
+	route_match_ip_address_free
+};
 
 /* `match ip address prefix-list PREFIX_LIST' */
 
@@ -332,10 +350,13 @@ static void route_match_ip_address_prefix_list_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-static struct route_map_rule_cmd route_match_ip_address_prefix_list_cmd = {
-	"ip address prefix-list", route_match_ip_address_prefix_list,
+static const struct route_map_rule_cmd
+		route_match_ip_address_prefix_list_cmd = {
+	"ip address prefix-list",
+	route_match_ip_address_prefix_list,
 	route_match_ip_address_prefix_list_compile,
-	route_match_ip_address_prefix_list_free};
+	route_match_ip_address_prefix_list_free
+};
 
 /* `match tag TAG' */
 /* Match function return 1 if match is success else return zero. */
@@ -362,8 +383,10 @@ route_match_tag(void *rule, const struct prefix *p, route_map_object_t type,
 }
 
 /* Route map commands for tag matching. */
-static struct route_map_rule_cmd route_match_tag_cmd = {
-	"tag", route_match_tag, route_map_rule_tag_compile,
+static const struct route_map_rule_cmd route_match_tag_cmd = {
+	"tag",
+	route_match_tag,
+	route_map_rule_tag_compile,
 	route_map_rule_tag_free,
 };
 
@@ -460,8 +483,10 @@ static void route_set_metric_free(void *rule)
 }
 
 /* Set metric rule structure. */
-static struct route_map_rule_cmd route_set_metric_cmd = {
-	"metric", route_set_metric, route_set_metric_compile,
+static const struct route_map_rule_cmd route_set_metric_cmd = {
+	"metric",
+	route_set_metric,
+	route_set_metric_compile,
 	route_set_metric_free,
 };
 
@@ -514,9 +539,12 @@ static void route_set_ip_nexthop_free(void *rule)
 }
 
 /* Route map commands for ip nexthop set. */
-static struct route_map_rule_cmd route_set_ip_nexthop_cmd = {
-	"ip next-hop", route_set_ip_nexthop, route_set_ip_nexthop_compile,
-	route_set_ip_nexthop_free};
+static const struct route_map_rule_cmd route_set_ip_nexthop_cmd = {
+	"ip next-hop",
+	route_set_ip_nexthop,
+	route_set_ip_nexthop_compile,
+	route_set_ip_nexthop_free
+};
 
 /* `set tag TAG' */
 
@@ -541,9 +569,12 @@ route_set_tag(void *rule, const struct prefix *prefix, route_map_object_t type,
 }
 
 /* Route map commands for tag set. */
-static struct route_map_rule_cmd route_set_tag_cmd = {
-	"tag", route_set_tag, route_map_rule_tag_compile,
-	route_map_rule_tag_free};
+static const struct route_map_rule_cmd route_set_tag_cmd = {
+	"tag",
+	route_set_tag,
+	route_map_rule_tag_compile,
+	route_map_rule_tag_free
+};
 
 #define MATCH_STR "Match values from routing table\n"
 #define SET_STR "Set values in destination routing protocol\n"
diff --git a/ripngd/ripng_routemap.c b/ripngd/ripng_routemap.c
index d27ec76a5..612359142 100644
--- a/ripngd/ripng_routemap.c
+++ b/ripngd/ripng_routemap.c
@@ -79,9 +79,12 @@ static void route_match_metric_free(void *rule)
 }
 
 /* Route map commands for metric matching. */
-static struct route_map_rule_cmd route_match_metric_cmd = {
-	"metric", route_match_metric, route_match_metric_compile,
-	route_match_metric_free};
+static const struct route_map_rule_cmd route_match_metric_cmd = {
+	"metric",
+	route_match_metric,
+	route_match_metric_compile,
+	route_match_metric_free
+};
 
 /* `match interface IFNAME' */
 /* Match function return 1 if match is success else return zero. */
@@ -121,9 +124,12 @@ static void route_match_interface_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-static struct route_map_rule_cmd route_match_interface_cmd = {
-	"interface", route_match_interface, route_match_interface_compile,
-	route_match_interface_free};
+static const struct route_map_rule_cmd route_match_interface_cmd = {
+	"interface",
+	route_match_interface,
+	route_match_interface_compile,
+	route_match_interface_free
+};
 
 /* `match tag TAG' */
 /* Match function return 1 if match is success else return zero. */
@@ -150,8 +156,10 @@ static enum route_map_cmd_result_t route_match_tag(void *rule,
 	return RMAP_NOMATCH;
 }
 
-static struct route_map_rule_cmd route_match_tag_cmd = {
-	"tag", route_match_tag, route_map_rule_tag_compile,
+static const struct route_map_rule_cmd route_match_tag_cmd = {
+	"tag",
+	route_match_tag,
+	route_map_rule_tag_compile,
 	route_map_rule_tag_free,
 };
 
@@ -246,8 +254,10 @@ static void route_set_metric_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-static struct route_map_rule_cmd route_set_metric_cmd = {
-	"metric", route_set_metric, route_set_metric_compile,
+static const struct route_map_rule_cmd route_set_metric_cmd = {
+	"metric",
+	route_set_metric,
+	route_set_metric_compile,
 	route_set_metric_free,
 };
 
@@ -299,10 +309,13 @@ static void route_set_ipv6_nexthop_local_free(void *rule)
 }
 
 /* Route map commands for ipv6 nexthop local set. */
-static struct route_map_rule_cmd route_set_ipv6_nexthop_local_cmd = {
-	"ipv6 next-hop local", route_set_ipv6_nexthop_local,
+static const struct route_map_rule_cmd
+		route_set_ipv6_nexthop_local_cmd = {
+	"ipv6 next-hop local",
+	route_set_ipv6_nexthop_local,
 	route_set_ipv6_nexthop_local_compile,
-	route_set_ipv6_nexthop_local_free};
+	route_set_ipv6_nexthop_local_free
+};
 
 /* `set tag TAG' */
 
@@ -327,9 +340,12 @@ route_set_tag(void *rule, const struct prefix *prefix, route_map_object_t type,
 }
 
 /* Route map commands for tag set. */
-static struct route_map_rule_cmd route_set_tag_cmd = {
-	"tag", route_set_tag, route_map_rule_tag_compile,
-	route_map_rule_tag_free};
+static const struct route_map_rule_cmd route_set_tag_cmd = {
+	"tag",
+	route_set_tag,
+	route_map_rule_tag_compile,
+	route_map_rule_tag_free
+};
 
 #define MATCH_STR "Match values from routing table\n"
 #define SET_STR "Set values in destination routing protocol\n"
diff --git a/zebra/zebra_routemap.c b/zebra/zebra_routemap.c
index 091f66f9e..641fc8799 100644
--- a/zebra/zebra_routemap.c
+++ b/zebra/zebra_routemap.c
@@ -155,8 +155,10 @@ route_match_tag(void *rule, const struct prefix *prefix,
 }
 
 /* Route map commands for tag matching */
-static struct route_map_rule_cmd route_match_tag_cmd = {
-	"tag", route_match_tag, route_map_rule_tag_compile,
+static const struct route_map_rule_cmd route_match_tag_cmd = {
+	"tag",
+	route_match_tag,
+	route_map_rule_tag_compile,
 	route_map_rule_tag_free,
 };
 
@@ -310,9 +312,12 @@ static int show_nht_rm(struct vty *vty, int af_type, const char *vrf_all,
 }
 
 /* Route map commands for interface matching */
-struct route_map_rule_cmd route_match_interface_cmd = {
-	"interface", route_match_interface, route_match_interface_compile,
-	route_match_interface_free};
+static const struct route_map_rule_cmd route_match_interface_cmd = {
+	"interface",
+	route_match_interface,
+	route_match_interface_compile,
+	route_match_interface_free
+};
 
 static int ip_protocol_rm_add(struct zebra_vrf *zvrf, const char *rmap,
 			      int rtype, afi_t afi, safi_t safi)
@@ -1076,9 +1081,12 @@ static void route_match_ip_next_hop_free(void *rule)
 }
 
 /* Route map commands for ip next-hop matching. */
-static struct route_map_rule_cmd route_match_ip_next_hop_cmd = {
-	"ip next-hop", route_match_ip_next_hop, route_match_ip_next_hop_compile,
-	route_match_ip_next_hop_free};
+static const struct route_map_rule_cmd route_match_ip_next_hop_cmd = {
+	"ip next-hop",
+	route_match_ip_next_hop,
+	route_match_ip_next_hop_compile,
+	route_match_ip_next_hop_free
+};
 
 /* `match ip next-hop prefix-list PREFIX_LIST' */
 
@@ -1129,10 +1137,13 @@ static void route_match_ip_next_hop_prefix_list_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-static struct route_map_rule_cmd route_match_ip_next_hop_prefix_list_cmd = {
-	"ip next-hop prefix-list", route_match_ip_next_hop_prefix_list,
+static const struct route_map_rule_cmd
+		route_match_ip_next_hop_prefix_list_cmd = {
+	"ip next-hop prefix-list",
+	route_match_ip_next_hop_prefix_list,
 	route_match_ip_next_hop_prefix_list_compile,
-	route_match_ip_next_hop_prefix_list_free};
+	route_match_ip_next_hop_prefix_list_free
+};
 
 /* `match ip address IP_ACCESS_LIST' */
 
@@ -1184,14 +1195,20 @@ static void route_match_address_free(void *rule)
 }
 
 /* Route map commands for ip address matching. */
-static struct route_map_rule_cmd route_match_ip_address_cmd = {
-	"ip address", route_match_ip_address, route_match_address_compile,
-	route_match_address_free};
+static const struct route_map_rule_cmd route_match_ip_address_cmd = {
+	"ip address",
+	route_match_ip_address,
+	route_match_address_compile,
+	route_match_address_free
+};
 
 /* Route map commands for ipv6 address matching. */
-static struct route_map_rule_cmd route_match_ipv6_address_cmd = {
-	"ipv6 address", route_match_ipv6_address, route_match_address_compile,
-	route_match_address_free};
+static const struct route_map_rule_cmd route_match_ipv6_address_cmd = {
+	"ipv6 address",
+	route_match_ipv6_address,
+	route_match_address_compile,
+	route_match_address_free
+};
 
 /* `match ip address prefix-list PREFIX_LIST' */
 
@@ -1231,10 +1248,13 @@ static void route_match_address_prefix_list_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-static struct route_map_rule_cmd route_match_ip_address_prefix_list_cmd = {
-	"ip address prefix-list", route_match_ip_address_prefix_list,
+static const struct route_map_rule_cmd
+		route_match_ip_address_prefix_list_cmd = {
+	"ip address prefix-list",
+	route_match_ip_address_prefix_list,
 	route_match_address_prefix_list_compile,
-	route_match_address_prefix_list_free};
+	route_match_address_prefix_list_free
+};
 
 static enum route_map_cmd_result_t
 route_match_ipv6_address_prefix_list(void *rule, const struct prefix *prefix,
@@ -1244,10 +1264,13 @@ route_match_ipv6_address_prefix_list(void *rule, const struct prefix *prefix,
 						AFI_IP6));
 }
 
-static struct route_map_rule_cmd route_match_ipv6_address_prefix_list_cmd = {
-	"ipv6 address prefix-list", route_match_ipv6_address_prefix_list,
+static const struct route_map_rule_cmd
+		route_match_ipv6_address_prefix_list_cmd = {
+	"ipv6 address prefix-list",
+	route_match_ipv6_address_prefix_list,
 	route_match_address_prefix_list_compile,
-	route_match_address_prefix_list_free};
+	route_match_address_prefix_list_free
+};
 
 /* `match ipv6 next-hop type <TYPE>' */
 
@@ -1278,10 +1301,13 @@ static void route_match_ipv6_next_hop_type_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-struct route_map_rule_cmd route_match_ipv6_next_hop_type_cmd = {
-	"ipv6 next-hop type", route_match_ipv6_next_hop_type,
+static const struct route_map_rule_cmd
+		route_match_ipv6_next_hop_type_cmd = {
+	"ipv6 next-hop type",
+	route_match_ipv6_next_hop_type,
 	route_match_ipv6_next_hop_type_compile,
-	route_match_ipv6_next_hop_type_free};
+	route_match_ipv6_next_hop_type_free
+};
 
 /* `match ip address prefix-len PREFIXLEN' */
 
@@ -1324,15 +1350,21 @@ static void route_match_address_prefix_len_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-static struct route_map_rule_cmd route_match_ip_address_prefix_len_cmd = {
-	"ip address prefix-len", route_match_address_prefix_len,
+static const struct route_map_rule_cmd
+		route_match_ip_address_prefix_len_cmd = {
+	"ip address prefix-len",
+	route_match_address_prefix_len,
 	route_match_address_prefix_len_compile,
-	route_match_address_prefix_len_free};
+	route_match_address_prefix_len_free
+};
 
-static struct route_map_rule_cmd route_match_ipv6_address_prefix_len_cmd = {
-	"ipv6 address prefix-len", route_match_address_prefix_len,
+static const struct route_map_rule_cmd
+		route_match_ipv6_address_prefix_len_cmd = {
+	"ipv6 address prefix-len",
+	route_match_address_prefix_len,
 	route_match_address_prefix_len_compile,
-	route_match_address_prefix_len_free};
+	route_match_address_prefix_len_free
+};
 
 /* `match ip nexthop prefix-len PREFIXLEN' */
 
@@ -1368,8 +1400,10 @@ route_match_ip_nexthop_prefix_len(void *rule, const struct prefix *prefix,
 	return RMAP_NOMATCH;
 }
 
-static struct route_map_rule_cmd route_match_ip_nexthop_prefix_len_cmd = {
-	"ip next-hop prefix-len", route_match_ip_nexthop_prefix_len,
+static const struct route_map_rule_cmd
+		route_match_ip_nexthop_prefix_len_cmd = {
+	"ip next-hop prefix-len",
+	route_match_ip_nexthop_prefix_len,
 	route_match_address_prefix_len_compile, /* reuse */
 	route_match_address_prefix_len_free     /* reuse */
 };
@@ -1403,10 +1437,13 @@ 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,
+static const 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};
+	route_match_ip_next_hop_type_free
+};
 
 /* `match source-protocol PROTOCOL' */
 
@@ -1446,9 +1483,12 @@ static void route_match_source_protocol_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-static struct route_map_rule_cmd route_match_source_protocol_cmd = {
-	"source-protocol", route_match_source_protocol,
-	route_match_source_protocol_compile, route_match_source_protocol_free};
+static const struct route_map_rule_cmd route_match_source_protocol_cmd = {
+	"source-protocol",
+	route_match_source_protocol,
+	route_match_source_protocol_compile,
+	route_match_source_protocol_free
+};
 
 /* `source-instance` */
 static enum route_map_cmd_result_t
@@ -1486,9 +1526,12 @@ static void route_match_source_instance_free(void *rule)
 	XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
 }
 
-static struct route_map_rule_cmd route_match_source_instance_cmd = {
-	"source-instance", route_match_source_instance,
-	route_match_source_instance_compile, route_match_source_instance_free};
+static const struct route_map_rule_cmd route_match_source_instance_cmd = {
+	"source-instance",
+	route_match_source_instance,
+	route_match_source_instance_compile,
+	route_match_source_instance_free
+};
 
 /* `set src A.B.C.D' */
 
@@ -1527,8 +1570,11 @@ static void route_set_src_free(void *rule)
 }
 
 /* Set src rule structure. */
-static struct route_map_rule_cmd route_set_src_cmd = {
-	"src", route_set_src, route_set_src_compile, route_set_src_free,
+static const struct route_map_rule_cmd route_set_src_cmd = {
+	"src",
+	route_set_src,
+	route_set_src_compile,
+	route_set_src_free,
 };
 
 /* The function checks if the changed routemap specified by parameter rmap