pimd, yang: add cli for igmp proxy

Signed-off-by: Barry A. Trent <barry.trent@atcorp.com>

pimd/pim_cmd.c

@@ -5756,6 +5756,18 @@ DEFUN (interface_no_ip_pim_hello,
 	return pim_process_no_ip_pim_hello_cmd(vty);
 }
 
+DEFPY (interface_ip_igmp_proxy,
+       interface_ip_igmp_proxy_cmd,
+       "[no] ip igmp proxy",
+       NO_STR
+       IP_STR
+       IGMP_STR
+       "Proxy IGMP join/prune operations\n")
+{
+	return CMD_SUCCESS;
+}
+
+
 DEFUN (debug_igmp,
        debug_igmp_cmd,
        "debug igmp",
@@ -8718,6 +8730,7 @@ void pim_cmd_init(void)
 			&interface_ip_igmp_last_member_query_interval_cmd);
 	install_element(INTERFACE_NODE,
 			&interface_no_ip_igmp_last_member_query_interval_cmd);
+	install_element(INTERFACE_NODE, &interface_ip_igmp_proxy_cmd);
 	install_element(INTERFACE_NODE, &interface_ip_pim_activeactive_cmd);
 	install_element(INTERFACE_NODE, &interface_ip_pim_ssm_cmd);
 	install_element(INTERFACE_NODE, &interface_no_ip_pim_ssm_cmd);

pimd/pim_iface.h

@@ -63,6 +63,7 @@ struct pim_interface {
 	bool pim_passive_enable : 1;
 
 	bool gm_enable : 1;
+	bool gm_proxy : 1; /* proxy IGMP joins/prunes */
 
 	ifindex_t mroute_vif_index;
 	struct pim_instance *pim;

pimd/pim_nb.c

@@ -553,7 +553,13 @@ const struct frr_yang_module_info frr_gmp_info = {
 				.destroy = lib_interface_gmp_address_family_join_group_destroy,
 			}
 		},
-		{
+				{
+			.xpath = "/frr-interface:lib/interface/frr-gmp:gmp/address-family/proxy",
+			.cbs = {
+				.modify = lib_interface_gmp_address_family_proxy_modify,
+			}
+		},
+{
 			.xpath = "/frr-interface:lib/interface/frr-gmp:gmp/address-family/static-group",
 			.cbs = {
 				.create = lib_interface_gmp_address_family_static_group_create,

pimd/pim_nb.h

@@ -221,6 +221,7 @@ int lib_interface_gmp_address_family_join_group_create(
 	struct nb_cb_create_args *args);
 int lib_interface_gmp_address_family_join_group_destroy(
 	struct nb_cb_destroy_args *args);
+int lib_interface_gmp_address_family_proxy_modify(struct nb_cb_modify_args *args);
 int lib_interface_gmp_address_family_static_group_create(
 		struct nb_cb_create_args *args);
 int lib_interface_gmp_address_family_static_group_destroy(

pimd/pim_nb_config.c

@@ -3381,6 +3381,28 @@ int lib_interface_gmp_address_family_robustness_variable_modify(
 	return NB_OK;
 }
 
+/*
+ * XPath: /frr-interface:lib/interface/frr-gmp:gmp/address-family/proxy
+ */
+int lib_interface_gmp_address_family_proxy_modify(struct nb_cb_modify_args *args)
+{
+	struct interface *ifp;
+	struct pim_interface *pim_ifp;
+
+	switch (args->event) {
+	case NB_EV_VALIDATE:
+	case NB_EV_PREPARE:
+	case NB_EV_ABORT:
+		break;
+	case NB_EV_APPLY:
+		ifp = nb_running_get_entry(args->dnode, NULL, true);
+		pim_ifp = ifp->info;
+		if (pim_ifp)
+			pim_ifp->gm_proxy = yang_dnode_get_bool(args->dnode,
+								NULL);
+	}
+	return NB_OK;
+}
 /*
  * XPath: /frr-interface:lib/interface/frr-gmp:gmp/address-family/join-group
  */

yang/frr-gmp.yang

@@ -146,6 +146,13 @@ module frr-gmp {
         "Querier's Robustness Variable allows tuning for the
          expected packet loss on a network.";
     }
+    
+    leaf proxy {
+      type boolean;
+      default "false";
+      description
+        "Enable IGMP proxy on the interface.";
+    }
 
     list join-group {
       key "group-addr source-addr";