Merge pull request #3889 from donaldsharp/rnh_vrf_down_stuff

zebra Rnh vrf down stuff

sharpd/sharp_globals.h

@@ -38,6 +38,7 @@ struct sharp_routes {
 	int32_t repeat;
 
 	uint8_t inst;
+	vrf_id_t vrf_id;
 
 	struct timeval t_start;
 	struct timeval t_end;

sharpd/sharp_vty.c

@@ -39,17 +39,28 @@
 #endif
 
 DEFPY(watch_nexthop_v6, watch_nexthop_v6_cmd,
-      "sharp watch <nexthop$n|import$import> X:X::X:X$nhop [connected$connected]",
+      "sharp watch [vrf NAME$name] <nexthop$n|import$import> X:X::X:X$nhop [connected$connected]",
       "Sharp routing Protocol\n"
       "Watch for changes\n"
+      "The vrf we would like to watch if non-default\n"
+      "The NAME of the vrf\n"
       "Watch for nexthop changes\n"
       "Watch for import check changes\n"
       "The v6 nexthop to signal for watching\n"
       "Should the route be connected\n")
 {
+	struct vrf *vrf;
 	struct prefix p;
 	bool type_import;
 
+	if (!name)
+		name = VRF_DEFAULT_NAME;
+	vrf = vrf_lookup_by_name(name);
+	if (!vrf) {
+		vty_out(vty, "The vrf NAME specified: %s does not exist\n",
+			name);
+		return CMD_WARNING;
+	}
 
 	if (n)
 		type_import = false;
@@ -63,23 +74,36 @@ DEFPY(watch_nexthop_v6, watch_nexthop_v6_cmd,
 	p.family = AF_INET6;
 
 	sharp_nh_tracker_get(&p);
-	sharp_zebra_nexthop_watch(&p, type_import, true, !!connected);
+	sharp_zebra_nexthop_watch(&p, vrf->vrf_id, type_import,
+				  true, !!connected);
 
 	return CMD_SUCCESS;
 }
 
 DEFPY(watch_nexthop_v4, watch_nexthop_v4_cmd,
-      "sharp watch <nexthop$n|import$import> A.B.C.D$nhop [connected$connected]",
+      "sharp watch [vrf NAME$name] <nexthop$n|import$import> A.B.C.D$nhop [connected$connected]",
       "Sharp routing Protocol\n"
       "Watch for changes\n"
+      "The vrf we would like to watch if non-default\n"
+      "The NAME of the vrf\n"
       "Watch for nexthop changes\n"
       "Watch for import check changes\n"
       "The v4 nexthop to signal for watching\n"
       "Should the route be connected\n")
 {
+	struct vrf *vrf;
 	struct prefix p;
 	bool type_import;
 
+	if (!name)
+		name = VRF_DEFAULT_NAME;
+	vrf = vrf_lookup_by_name(name);
+	if (!vrf) {
+		vty_out(vty, "The vrf NAME specified: %s does not exist\n",
+			name);
+		return CMD_WARNING;
+	}
+
 	memset(&p, 0, sizeof(p));
 
 	if (n)
@@ -92,7 +116,8 @@ DEFPY(watch_nexthop_v4, watch_nexthop_v4_cmd,
 	p.family = AF_INET;
 
 	sharp_nh_tracker_get(&p);
-	sharp_zebra_nexthop_watch(&p, type_import, true, !!connected);
+	sharp_zebra_nexthop_watch(&p, vrf->vrf_id, type_import,
+				  true, !!connected);
 
 	return CMD_SUCCESS;
 }
@@ -132,10 +157,12 @@ DEFPY (install_routes_data_dump,
 
 DEFPY (install_routes,
        install_routes_cmd,
-       "sharp install routes <A.B.C.D$start4|X:X::X:X$start6> <nexthop <A.B.C.D$nexthop4|X:X::X:X$nexthop6>|nexthop-group NAME$nexthop_group> (1-1000000)$routes [instance (0-255)$instance] [repeat (2-1000)$rpt]",
+       "sharp install routes [vrf NAME$name] <A.B.C.D$start4|X:X::X:X$start6> <nexthop <A.B.C.D$nexthop4|X:X::X:X$nexthop6>|nexthop-group NAME$nexthop_group> (1-1000000)$routes [instance (0-255)$instance] [repeat (2-1000)$rpt]",
        "Sharp routing Protocol\n"
        "install some routes\n"
        "Routes to install\n"
+       "The vrf we would like to install into if non-default\n"
+       "The NAME of the vrf\n"
        "v4 Address to start /32 generation at\n"
        "v6 Address to start /32 generation at\n"
        "Nexthop to use(Can be an IPv4 or IPv6 address)\n"
@@ -149,6 +176,7 @@ DEFPY (install_routes,
        "Should we repeat this command\n"
        "How many times to repeat this command\n")
 {
+	struct vrf *vrf;
 	struct prefix prefix;
 	uint32_t rts;
 
@@ -176,6 +204,16 @@ DEFPY (install_routes,
 	}
 	sg.r.orig_prefix = prefix;
 
+	if (!name)
+		name = VRF_DEFAULT_NAME;
+
+	vrf = vrf_lookup_by_name(name);
+	if (!vrf) {
+		vty_out(vty, "The vrf NAME specified: %s does not exist\n",
+			name);
+		return CMD_WARNING;
+	}
+
 	if (nexthop_group) {
 		struct nexthop_group_cmd *nhgc = nhgc_find(nexthop_group);
 		if (!nhgc) {
@@ -195,12 +233,15 @@ DEFPY (install_routes,
 			sg.r.nhop.type = NEXTHOP_TYPE_IPV6;
 		}
 
+		sg.r.nhop.vrf_id = vrf->vrf_id;
 		sg.r.nhop_group.nexthop = &sg.r.nhop;
 	}
 
 	sg.r.inst = instance;
+	sg.r.vrf_id = vrf->vrf_id;
 	rts = routes;
-	sharp_install_routes_helper(&prefix, sg.r.inst, &sg.r.nhop_group, rts);
+	sharp_install_routes_helper(&prefix, sg.r.vrf_id,
+				    sg.r.inst, &sg.r.nhop_group, rts);
 
 	return CMD_SUCCESS;
 }
@@ -237,16 +278,19 @@ DEFPY(vrf_label, vrf_label_cmd,
 
 DEFPY (remove_routes,
        remove_routes_cmd,
-       "sharp remove routes <A.B.C.D$start4|X:X::X:X$start6> (1-1000000)$routes [instance (0-255)$instance]",
+       "sharp remove routes [vrf NAME$name] <A.B.C.D$start4|X:X::X:X$start6> (1-1000000)$routes [instance (0-255)$instance]",
        "Sharp Routing Protocol\n"
        "Remove some routes\n"
        "Routes to remove\n"
+       "The vrf we would like to remove from if non-default\n"
+       "The NAME of the vrf\n"
        "v4 Starting spot\n"
        "v6 Starting spot\n"
        "Routes to uninstall\n"
        "instance to use\n"
        "Value of instance\n")
 {
+	struct vrf *vrf;
 	struct prefix prefix;
 
 	sg.r.total_routes = routes;
@@ -265,9 +309,18 @@ DEFPY (remove_routes,
 		prefix.u.prefix6 = start6;
 	}
 
+	vrf = vrf_lookup_by_name(name ? name : VRF_DEFAULT_NAME);
+	if (!vrf) {
+		vty_out(vty, "The vrf NAME specified: %s does not exist\n",
+			name ? name : VRF_DEFAULT_NAME);
+		return CMD_WARNING;
+	}
+
 	sg.r.inst = instance;
+	sg.r.vrf_id = vrf->vrf_id;
 	rts = routes;
-	sharp_remove_routes_helper(&prefix, sg.r.inst, rts);
+	sharp_remove_routes_helper(&prefix, sg.r.vrf_id,
+				   sg.r.inst, rts);
 
 	return CMD_SUCCESS;
 }

sharpd/sharp_zebra.c

@@ -131,8 +131,8 @@ static int interface_state_down(int command, struct zclient *zclient,
 	return 0;
 }
 
-void sharp_install_routes_helper(struct prefix *p, uint8_t instance,
-				 struct nexthop_group *nhg,
+void sharp_install_routes_helper(struct prefix *p, vrf_id_t vrf_id,
+				 uint8_t instance, struct nexthop_group *nhg,
 				 uint32_t routes)
 {
 	uint32_t temp, i;
@@ -148,7 +148,7 @@ void sharp_install_routes_helper(struct prefix *p, uint8_t instance,
 
 	monotime(&sg.r.t_start);
 	for (i = 0; i < routes; i++) {
-		route_add(p, (uint8_t)instance, nhg);
+		route_add(p, vrf_id, (uint8_t)instance, nhg);
 		if (v4)
 			p->u.prefix4.s_addr = htonl(++temp);
 		else
@@ -156,8 +156,8 @@ void sharp_install_routes_helper(struct prefix *p, uint8_t instance,
 	}
 }
 
-void sharp_remove_routes_helper(struct prefix *p, uint8_t instance,
-				uint32_t routes)
+void sharp_remove_routes_helper(struct prefix *p, vrf_id_t vrf_id,
+				uint8_t instance, uint32_t routes)
 {
 	uint32_t temp, i;
 	bool v4 = false;
@@ -172,7 +172,7 @@ void sharp_remove_routes_helper(struct prefix *p, uint8_t instance,
 
 	monotime(&sg.r.t_start);
 	for (i = 0; i < routes; i++) {
-		route_delete(p, (uint8_t)instance);
+		route_delete(p, vrf_id, (uint8_t)instance);
 		if (v4)
 			p->u.prefix4.s_addr = htonl(++temp);
 		else
@@ -190,12 +190,14 @@ static void handle_repeated(bool installed)
 
 	if (installed) {
 		sg.r.removed_routes = 0;
-		sharp_remove_routes_helper(&p, sg.r.inst, sg.r.total_routes);
+		sharp_remove_routes_helper(&p, sg.r.vrf_id,
+					   sg.r.inst, sg.r.total_routes);
 	}
 
 	if (installed) {
 		sg.r.installed_routes = 0;
-		sharp_install_routes_helper(&p, sg.r.inst, &sg.r.nhop_group,
+		sharp_install_routes_helper(&p, sg.r.vrf_id, sg.r.inst,
+					    &sg.r.nhop_group,
 					    sg.r.total_routes);
 	}
 }
@@ -255,7 +257,8 @@ void vrf_label_add(vrf_id_t vrf_id, afi_t afi, mpls_label_t label)
 	zclient_send_vrf_label(zclient, vrf_id, afi, label, ZEBRA_LSP_SHARP);
 }
 
-void route_add(struct prefix *p, uint8_t instance, struct nexthop_group *nhg)
+void route_add(struct prefix *p, vrf_id_t vrf_id,
+	       uint8_t instance, struct nexthop_group *nhg)
 {
 	struct zapi_route api;
 	struct zapi_nexthop *api_nh;
@@ -263,7 +266,7 @@ void route_add(struct prefix *p, uint8_t instance, struct nexthop_group *nhg)
 	int i = 0;
 
 	memset(&api, 0, sizeof(api));
-	api.vrf_id = VRF_DEFAULT;
+	api.vrf_id = vrf_id;
 	api.type = ZEBRA_ROUTE_SHARP;
 	api.instance = instance;
 	api.safi = SAFI_UNICAST;
@@ -274,7 +277,7 @@ void route_add(struct prefix *p, uint8_t instance, struct nexthop_group *nhg)
 
 	for (ALL_NEXTHOPS_PTR(nhg, nh)) {
 		api_nh = &api.nexthops[i];
-		api_nh->vrf_id = VRF_DEFAULT;
+		api_nh->vrf_id = nh->vrf_id;
 		api_nh->type = nh->type;
 		switch (nh->type) {
 		case NEXTHOP_TYPE_IPV4:
@@ -305,12 +308,12 @@ void route_add(struct prefix *p, uint8_t instance, struct nexthop_group *nhg)
 	zclient_route_send(ZEBRA_ROUTE_ADD, zclient, &api);
 }
 
-void route_delete(struct prefix *p, uint8_t instance)
+void route_delete(struct prefix *p, vrf_id_t vrf_id, uint8_t instance)
 {
 	struct zapi_route api;
 
 	memset(&api, 0, sizeof(api));
-	api.vrf_id = VRF_DEFAULT;
+	api.vrf_id = vrf_id;
 	api.type = ZEBRA_ROUTE_SHARP;
 	api.safi = SAFI_UNICAST;
 	api.instance = instance;
@@ -320,7 +323,7 @@ void route_delete(struct prefix *p, uint8_t instance)
 	return;
 }
 
-void sharp_zebra_nexthop_watch(struct prefix *p, bool import,
+void sharp_zebra_nexthop_watch(struct prefix *p, vrf_id_t vrf_id, bool import,
 			       bool watch, bool connected)
 {
 	int command;
@@ -337,7 +340,7 @@ void sharp_zebra_nexthop_watch(struct prefix *p, bool import,
 			command = ZEBRA_IMPORT_ROUTE_UNREGISTER;
 	}
 
-	if (zclient_send_rnh(zclient, command, p, connected, VRF_DEFAULT) < 0)
+	if (zclient_send_rnh(zclient, command, p, connected, vrf_id) < 0)
 		zlog_warn("%s: Failure to send nexthop to zebra",
 			  __PRETTY_FUNCTION__);
 }

sharpd/sharp_zebra.h

@@ -25,15 +25,16 @@
 extern void sharp_zebra_init(void);
 
 extern void vrf_label_add(vrf_id_t vrf_id, afi_t afi, mpls_label_t label);
-extern void route_add(struct prefix *p, uint8_t instance,
+extern void route_add(struct prefix *p, vrf_id_t, uint8_t instance,
 		      struct nexthop_group *nhg);
-extern void route_delete(struct prefix *p, uint8_t instance);
-extern void sharp_zebra_nexthop_watch(struct prefix *p, bool import,
-				      bool watch, bool connected);
+extern void route_delete(struct prefix *p, vrf_id_t vrf_id, uint8_t instance);
+extern void sharp_zebra_nexthop_watch(struct prefix *p, vrf_id_t vrf_id,
+				      bool import, bool watch, bool connected);
 
-extern void sharp_install_routes_helper(struct prefix *p, uint8_t instance,
-					 struct nexthop_group *nhg,
-					 uint32_t routes);
-extern void sharp_remove_routes_helper(struct prefix *p, uint8_t instance,
-				       uint32_t routes);
+extern void sharp_install_routes_helper(struct prefix *p, vrf_id_t vrf_id,
+					uint8_t instance,
+					struct nexthop_group *nhg,
+					uint32_t routes);
+extern void sharp_remove_routes_helper(struct prefix *p, vrf_id_t vrf_id,
+				       uint8_t instance, uint32_t routes);
 #endif

zebra/zebra_router.c

@@ -168,10 +168,31 @@ static void zebra_router_free_table(struct zebra_router_table *zrt)
 
 	table_info = route_table_get_info(zrt->table);
 	route_table_finish(zrt->table);
+	RB_REMOVE(zebra_router_table_head, &zrouter.tables, zrt);
+
 	XFREE(MTYPE_RIB_TABLE_INFO, table_info);
 	XFREE(MTYPE_ZEBRA_NS, zrt);
 }
 
+void zebra_router_release_table(struct zebra_vrf *zvrf, uint32_t tableid,
+				afi_t afi, safi_t safi)
+{
+	struct zebra_router_table finder;
+	struct zebra_router_table *zrt;
+
+	memset(&finder, 0, sizeof(finder));
+	finder.afi = afi;
+	finder.safi = safi;
+	finder.tableid = tableid;
+	finder.ns_id = zvrf->zns->ns_id;
+	zrt = RB_FIND(zebra_router_table_head, &zrouter.tables, &finder);
+
+	if (!zrt)
+		return;
+
+	zebra_router_free_table(zrt);
+}
+
 uint32_t zebra_router_get_next_sequence(void)
 {
 	return 1

zebra/zebra_router.h

@@ -117,6 +117,8 @@ extern struct route_table *zebra_router_find_table(struct zebra_vrf *zvrf,
 extern struct route_table *zebra_router_get_table(struct zebra_vrf *zvrf,
 						  uint32_t tableid, afi_t afi,
 						  safi_t safi);
+extern void zebra_router_release_table(struct zebra_vrf *zvrf, uint32_t tableid,
+				       afi_t afi, safi_t safi);
 
 extern int zebra_router_config_write(struct vty *vty);
 

zebra/zebra_vrf.c

@@ -208,8 +208,11 @@ static int zebra_vrf_disable(struct vrf *vrf)
 		 * table, see rib_close_table above
 		 * we no-longer need this pointer.
 		 */
-		for (safi = SAFI_UNICAST; safi <= SAFI_MULTICAST; safi++)
+		for (safi = SAFI_UNICAST; safi <= SAFI_MULTICAST; safi++) {
+			zebra_router_release_table(zvrf, zvrf->table_id, afi,
+						   safi);
 			zvrf->table[afi][safi] = NULL;
+		}
 
 		route_table_finish(zvrf->rnh_table[afi]);
 		zvrf->rnh_table[afi] = NULL;
@@ -256,14 +259,12 @@ static int zebra_vrf_delete(struct vrf *vrf)
 
 	/* release allocated memory */
 	for (afi = AFI_IP; afi <= AFI_IP6; afi++) {
-		void *table_info;
-
 		for (safi = SAFI_UNICAST; safi <= SAFI_MULTICAST; safi++) {
 			table = zvrf->table[afi][safi];
 			if (table) {
-				table_info = route_table_get_info(table);
-				route_table_finish(table);
-				XFREE(MTYPE_RIB_TABLE_INFO, table_info);
+				zebra_router_release_table(zvrf, zvrf->table_id,
+							   afi, safi);
+				zvrf->table[afi][safi] = NULL;
 			}
 		}