bgpd: Display table version for EVPN routes

Display the table version for EVPN routes like it is done for other
address families. Note that this is really relevant only for the
per-VNI routing table.

Signed-off-by: Vivek Venkatraman <vivek@cumulusnetworks.com>

Ticket: CM-12903

1 files changed, 19 insertions, 8 deletions

diff --git a/bgpd/bgp_evpn_vty.c b/bgpd/bgp_evpn_vty.c
index c74a1bfb7c..4f3f0d5559 100644
--- a/bgpd/bgp_evpn_vty.c
+++ b/bgpd/bgp_evpn_vty.c
@@ -311,7 +311,7 @@ static void bgp_evpn_show_route_rd_header(struct vty *vty,
 }
 
 static void bgp_evpn_show_route_header(struct vty *vty, struct bgp *bgp,
-				       json_object *json)
+				       uint64_t tbl_ver, json_object *json)
 {
 	char ri_header[] =
 		"   Network          Next Hop            Metric LocPrf Weight Path\n";
@@ -319,9 +319,8 @@ static void bgp_evpn_show_route_header(struct vty *vty, struct bgp *bgp,
 	if (json)
 		return;
 
-
-	vty_out(vty, "BGP table version is 0, local router ID is %s\n",
-		inet_ntoa(bgp->router_id));
+	vty_out(vty, "BGP table version is %" PRIu64 ", local router ID is %s\n",
+		tbl_ver, inet_ntoa(bgp->router_id));
 	vty_out(vty,
 		"Status codes: s suppressed, d damped, h history, "
 		"* valid, > best, i - internal\n");
@@ -494,12 +493,16 @@ static void show_vni_routes(struct bgp *bgp, struct bgpevpn *vpn, int type,
 {
 	struct bgp_node *rn;
 	struct bgp_info *ri;
+	struct bgp_table *table;
 	int header = 1;
+	uint64_t tbl_ver;
 	uint32_t prefix_cnt, path_cnt;
 
 	prefix_cnt = path_cnt = 0;
 
-	for (rn = bgp_table_top(vpn->route_table); rn;
+	table = vpn->route_table;
+	tbl_ver = table->version;
+	for (rn = bgp_table_top(table); rn;
 	     rn = bgp_route_next(rn)) {
 		struct prefix_evpn *evp = (struct prefix_evpn *)&rn->p;
 		int add_prefix_to_json = 0;
@@ -519,7 +522,8 @@ static void show_vni_routes(struct bgp *bgp, struct bgpevpn *vpn, int type,
 		if (rn->info) {
 			/* Overall header/legend displayed once. */
 			if (header) {
-				bgp_evpn_show_route_header(vty, bgp, json);
+				bgp_evpn_show_route_header(vty, bgp,
+							   tbl_ver, json);
 				header = 0;
 			}
 
@@ -862,6 +866,8 @@ static int bgp_show_ethernet_vpn(struct vty *vty, struct prefix_rd *prd,
 
 	for (rn = bgp_table_top(bgp->rib[afi][SAFI_EVPN]); rn;
 	     rn = bgp_route_next(rn)) {
+		uint64_t tbl_ver;
+
 		if (use_json)
 			continue; /* XXX json TODO */
 
@@ -872,6 +878,7 @@ static int bgp_show_ethernet_vpn(struct vty *vty, struct prefix_rd *prd,
 			continue;
 
 		rd_header = 1;
+		tbl_ver = table->version;
 
 		for (rm = bgp_table_top(table); rm; rm = bgp_route_next(rm))
 			for (ri = rm->info; ri; ri = ri->next) {
@@ -891,7 +898,7 @@ static int bgp_show_ethernet_vpn(struct vty *vty, struct prefix_rd *prd,
 							json_object_int_add(
 								json,
 								"bgpTableVersion",
-								0);
+								tbl_ver);
 							json_object_string_add(
 								json,
 								"bgpLocalRouterId",
@@ -917,7 +924,8 @@ static int bgp_show_ethernet_vpn(struct vty *vty, struct prefix_rd *prd,
 								V4_HEADER_OVERLAY);
 						else {
 							vty_out(vty,
-								"BGP table version is 0, local router ID is %s\n",
+								"BGP table version is %" PRIu64 ", local router ID is %s\n",
+								tbl_ver,
 								inet_ntoa(
 									bgp->router_id));
 							vty_out(vty,
@@ -2201,11 +2209,13 @@ static void evpn_show_all_routes(struct vty *vty, struct bgp *bgp, int type,
 		char rd_str[RD_ADDRSTRLEN];
 		json_object *json_rd = NULL; /* contains routes for an RD */
 		int add_rd_to_json = 0;
+		uint64_t tbl_ver;
 
 		table = (struct bgp_table *)rd_rn->info;
 		if (table == NULL)
 			continue;
 
+		tbl_ver = table->version;
 		prefix_rd2str((struct prefix_rd *)&rd_rn->p, rd_str,
 			      sizeof(rd_str));
 
@@ -2236,6 +2246,7 @@ static void evpn_show_all_routes(struct vty *vty, struct bgp *bgp, int type,
 				/* Overall header/legend displayed once. */
 				if (header) {
 					bgp_evpn_show_route_header(vty, bgp,
+								   tbl_ver,
 								   json);
 					header = 0;
 				}