zebra: Add internal support for route tags

Add internal support for a route tag to be applied to routes.
At this point in time, tags are not being used.

[forward ported by Cumulus]

Signed-off-by: Daniel Walton <dwalton@cumulusnetworks.com>
Signed-off-by: Piotr Chytła <pch@packetconsulting.pl>
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Edited-by: Paul Jakma <paul.jakma@hpe.com> - rebase conflicts
diff --git a/zebra/rib.h b/zebra/rib.h
index 9773cba..d31db55 100644
--- a/zebra/rib.h
+++ b/zebra/rib.h
@@ -65,6 +65,9 @@
   /* Distance. */
   u_char distance;
 
+  /* Tag */
+  u_short tag;
+
   /* Flags of this route.
    * This flag's definition is in lib/zebra.h ZEBRA_FLAG_* and is exposed
    * to clients via Zserv
@@ -178,6 +181,9 @@
   /* Administrative distance. */
   u_char distance;
 
+  /* Tag */
+  u_short tag;
+
   /* Flag for this static route's type. */
   u_char type;
 #define STATIC_IPV4_GATEWAY          1
@@ -444,11 +450,11 @@
 
 extern int
 static_add_ipv4_safi (safi_t safi, struct prefix *p, struct in_addr *gate,
-		      const char *ifname, u_char flags, u_char distance,
+		      const char *ifname, u_char flags, u_short tag, u_char distance,
 		      vrf_id_t vrf_id);
 extern int
 static_delete_ipv4_safi (safi_t safi, struct prefix *p, struct in_addr *gate,
-			 const char *ifname, u_char distance, vrf_id_t vrf_id);
+			 const char *ifname, u_short tag, u_char distance, vrf_id_t vrf_id);
 
 extern int
 rib_add_ipv6 (int type, int flags, struct prefix_ipv6 *p,
@@ -468,7 +474,7 @@
 
 extern int
 static_add_ipv6 (struct prefix *p, u_char type, struct in6_addr *gate,
-		 const char *ifname, u_char flags, u_char distance,
+		 const char *ifname, u_char flags, u_short tag, u_char distance,
 		 vrf_id_t vrf_id);
 
 extern int
@@ -476,7 +482,7 @@
 
 extern int
 static_delete_ipv6 (struct prefix *p, u_char type, struct in6_addr *gate,
-		    const char *ifname, u_char distance, vrf_id_t vrf_id);
+		    const char *ifname, u_short tag, u_char distance, vrf_id_t vrf_id);
 
 extern int rib_gc_dest (struct route_node *rn);
 extern struct route_table *rib_tables_iter_next (rib_tables_iter_t *iter);
diff --git a/zebra/zebra_rib.c b/zebra/zebra_rib.c
index a55d358..e57d1af 100644
--- a/zebra/zebra_rib.c
+++ b/zebra/zebra_rib.c
@@ -2147,6 +2147,10 @@
 
   if (rib)
     {
+      /* if tag value changed , update old value in RIB */
+      if (rib->tag != si->tag)
+	rib->tag = si->tag;
+
       /* Same distance static route is there.  Update it with new
          nexthop. */
       route_unlock_node (rn);
@@ -2184,6 +2188,7 @@
       rib->vrf_id = si->vrf_id;
       rib->table = zebrad.rtm_table_default;
       rib->nexthop_num = 0;
+      rib->tag = si->tag;
 
       switch (si->type)
         {
@@ -2269,7 +2274,8 @@
       if (CHECK_FLAG (rib->status, RIB_ENTRY_REMOVED))
         continue;
 
-      if (rib->type == ZEBRA_ROUTE_STATIC && rib->distance == si->distance)
+      if (rib->type == ZEBRA_ROUTE_STATIC && rib->distance == si->distance &&
+	  rib->tag == si->tag)
         break;
     }
 
@@ -2308,7 +2314,7 @@
 
 int
 static_add_ipv4_safi (safi_t safi, struct prefix *p, struct in_addr *gate,
-		      const char *ifname, u_char flags, u_char distance,
+		      const char *ifname, u_char flags, u_short tag, u_char distance,
 		      vrf_id_t vrf_id)
 {
   u_char type = 0;
@@ -2341,7 +2347,8 @@
 	  && (! gate || IPV4_ADDR_SAME (gate, &si->addr.ipv4))
 	  && (! ifname || strcmp (ifname, si->ifname) == 0))
 	{
-	  if (distance == si->distance)
+	  if (distance == si->distance &&
+	      tag == si->tag)
 	    {
 	      route_unlock_node (rn);
 	      return 0;
@@ -2351,15 +2358,16 @@
 	}
     }
 
-  /* Distance changed.  */
+  /* Distance or tag changed. */
   if (update)
-    static_delete_ipv4_safi (safi, p, gate, ifname, update->distance, vrf_id);
+    static_delete_ipv4_safi (safi, p, gate, ifname, update->tag, update->distance, vrf_id);
 
   /* Make new static route structure. */
   si = XCALLOC (MTYPE_STATIC_ROUTE, sizeof (struct static_route));
 
   si->type = type;
   si->distance = distance;
+  si->tag = tag;
   si->flags = flags;
   si->vrf_id = vrf_id;
 
@@ -2403,7 +2411,7 @@
 
 int
 static_delete_ipv4_safi (safi_t safi, struct prefix *p, struct in_addr *gate,
-			 const char *ifname, u_char distance, vrf_id_t vrf_id)
+			 const char *ifname, u_short tag, u_char distance, vrf_id_t vrf_id)
 {
   u_char type = 0;
   struct route_node *rn;
@@ -2432,7 +2440,8 @@
   for (si = rn->info; si; si = si->next)
     if (type == si->type
 	&& (! gate || IPV4_ADDR_SAME (gate, &si->addr.ipv4))
-	&& (! ifname || strcmp (ifname, si->ifname) == 0))
+	&& (! ifname || strcmp (ifname, si->ifname) == 0)
+	&& (! tag || (tag == si->tag)))
       break;
 
   /* Can't find static route. */
@@ -2788,8 +2797,8 @@
 /* Add static route into static route configuration. */
 int
 static_add_ipv6 (struct prefix *p, u_char type, struct in6_addr *gate,
-		 const char *ifname, u_char flags, u_char distance,
-		 vrf_id_t vrf_id)
+		 const char *ifname, u_char flags, u_short tag,
+		 u_char distance, vrf_id_t vrf_id)
 {
   struct route_node *rn;
   struct static_route *si;
@@ -2817,6 +2826,7 @@
   for (si = rn->info; si; si = si->next)
     {
       if (type == si->type
+	  && tag == si->tag
 	  && (! gate || IPV6_ADDR_SAME (gate, &si->addr.ipv6))
 	  && (! ifname || strcmp (ifname, si->ifname) == 0))
 	{
@@ -2831,13 +2841,14 @@
     }
 
   if (update)
-    static_delete_ipv6(p, type, gate, ifname, si->distance, vrf_id);
+    static_delete_ipv6(p, type, gate, ifname, tag, si->distance, vrf_id);
 
   /* Make new static route structure. */
   si = XCALLOC (MTYPE_STATIC_ROUTE, sizeof (struct static_route));
 
   si->type = type;
   si->distance = distance;
+  si->tag = tag;
   si->flags = flags;
   si->vrf_id = vrf_id;
 
@@ -2884,7 +2895,7 @@
 /* Delete static route from static route configuration. */
 int
 static_delete_ipv6 (struct prefix *p, u_char type, struct in6_addr *gate,
-		    const char *ifname, u_char distance, vrf_id_t vrf_id)
+		    const char *ifname, u_short tag, u_char distance, vrf_id_t vrf_id)
 {
   struct route_node *rn;
   struct static_route *si;
@@ -2905,7 +2916,8 @@
     if (distance == si->distance 
 	&& type == si->type
 	&& (! gate || IPV6_ADDR_SAME (gate, &si->addr.ipv6))
-	&& (! ifname || strcmp (ifname, si->ifname) == 0))
+	&& (! ifname || strcmp (ifname, si->ifname) == 0)
+	&& (! tag || (tag == si->tag)))
       break;
 
   /* Can't find static route. */
diff --git a/zebra/zebra_vty.c b/zebra/zebra_vty.c
index e3ef963..08144cb 100644
--- a/zebra/zebra_vty.c
+++ b/zebra/zebra_vty.c
@@ -44,7 +44,8 @@
 zebra_static_ipv4_safi (struct vty *vty, safi_t safi, int add_cmd,
 			const char *dest_str, const char *mask_str,
 			const char *gate_str, const char *flag_str,
-			const char *distance_str, const char *vrf_id_str)
+			const char *tag_str, const char *distance_str,
+			const char *vrf_id_str)
 {
   int ret;
   u_char distance;
@@ -53,6 +54,7 @@
   struct in_addr mask;
   const char *ifname;
   u_char flag = 0;
+  u_short tag = 0;
   vrf_id_t vrf_id = VRF_DEFAULT;
   
   ret = str2prefix (dest_str, &p);
@@ -83,6 +85,10 @@
   else
     distance = ZEBRA_STATIC_DISTANCE_DEFAULT;
 
+  /* tag */
+  if (tag_str)
+    tag = atoi (tag_str);
+
   /* VRF id */
   if (vrf_id_str)
     VTY_GET_INTEGER ("VRF ID", vrf_id, vrf_id_str);
@@ -96,9 +102,9 @@
           return CMD_WARNING;
         }
       if (add_cmd)
-        static_add_ipv4_safi (safi, &p, NULL, NULL, ZEBRA_FLAG_BLACKHOLE, distance, vrf_id);
+        static_add_ipv4_safi (safi, &p, NULL, NULL, ZEBRA_FLAG_BLACKHOLE, tag, distance, vrf_id);
       else
-        static_delete_ipv4_safi (safi, &p, NULL, NULL, distance, vrf_id);
+        static_delete_ipv4_safi (safi, &p, NULL, NULL, tag, distance, vrf_id);
       return CMD_SUCCESS;
     }
 
@@ -122,9 +128,9 @@
   if (gate_str == NULL)
   {
     if (add_cmd)
-      static_add_ipv4_safi (safi, &p, NULL, NULL, flag, distance, vrf_id);
+      static_add_ipv4_safi (safi, &p, NULL, NULL, flag, tag, distance, vrf_id);
     else
-      static_delete_ipv4_safi (safi, &p, NULL, NULL, distance, vrf_id);
+      static_delete_ipv4_safi (safi, &p, NULL, NULL, tag, distance, vrf_id);
 
     return CMD_SUCCESS;
   }
@@ -138,23 +144,13 @@
     ifname = gate_str;
 
   if (add_cmd)
-    static_add_ipv4_safi (safi, &p, ifname ? NULL : &gate, ifname, flag, distance, vrf_id);
+    static_add_ipv4_safi (safi, &p, ifname ? NULL : &gate, ifname, flag, tag, distance, vrf_id);
   else
-    static_delete_ipv4_safi (safi, &p, ifname ? NULL : &gate, ifname, distance, vrf_id);
+    static_delete_ipv4_safi (safi, &p, ifname ? NULL : &gate, ifname, tag, distance, vrf_id);
 
   return CMD_SUCCESS;
 }
 
-static int
-zebra_static_ipv4 (struct vty *vty, int add_cmd, const char *dest_str,
-		   const char *mask_str, const char *gate_str,
-		   const char *flag_str, const char *distance_str,
-		   const char *vrf_id_str)
-{
-  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, add_cmd, dest_str, mask_str,
-                                 gate_str, flag_str, distance_str, vrf_id_str);
-}
-
 /* Static unicast routes for multicast RPF lookup. */
 DEFUN (ip_mroute_dist,
        ip_mroute_dist_cmd,
@@ -168,7 +164,7 @@
 {
   VTY_WARN_EXPERIMENTAL();
   return zebra_static_ipv4_safi(vty, SAFI_MULTICAST, 1, argv[0], NULL, argv[1],
-                                NULL, argc > 2 ? argv[2] : NULL, NULL);
+                                NULL, NULL, argc > 2 ? argv[2] : NULL, NULL);
 }
 
 ALIAS (ip_mroute_dist,
@@ -193,7 +189,7 @@
 {
   VTY_WARN_EXPERIMENTAL();
   return zebra_static_ipv4_safi(vty, SAFI_MULTICAST, 1, argv[0], NULL, argv[1],
-                                NULL, argc > 3 ? argv[2] : NULL,
+                                NULL, NULL, argc > 3 ? argv[2] : NULL,
                                 argc > 3 ? argv[3] : argv[2]);
 }
 
@@ -219,7 +215,7 @@
 {
   VTY_WARN_EXPERIMENTAL();
   return zebra_static_ipv4_safi(vty, SAFI_MULTICAST, 0, argv[0], NULL, argv[1],
-                                NULL, argc > 2 ? argv[2] : NULL, NULL);
+                                NULL, NULL, argc > 2 ? argv[2] : NULL, NULL);
 }
 
 ALIAS (no_ip_mroute_dist,
@@ -245,7 +241,7 @@
 {
   VTY_WARN_EXPERIMENTAL();
   return zebra_static_ipv4_safi(vty, SAFI_MULTICAST, 0, argv[0], NULL, argv[1],
-                                NULL, argc > 3 ? argv[2] : NULL,
+                                NULL, NULL, argc > 3 ? argv[2] : NULL,
                                 argc > 3 ? argv[3] : argv[2]);
 }
 
@@ -469,8 +465,8 @@
        "IP gateway interface name\n"
        "Null interface\n")
 {
-  return zebra_static_ipv4 (vty, 1, argv[0], NULL, argv[1], NULL, NULL,
-                            NULL);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 1, argv[0], NULL, argv[1],
+				 NULL, NULL, NULL, NULL);
 }
 
 DEFUN (ip_route_flags,
@@ -484,8 +480,8 @@
        "Emit an ICMP unreachable when matched\n"
        "Silently discard pkts when matched\n")
 {
-  return zebra_static_ipv4 (vty, 1, argv[0], NULL, argv[1], argv[2], NULL,
-                            NULL);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 1, argv[0], NULL, argv[1],
+				 argv[2], NULL, NULL, NULL);
 }
 
 DEFUN (ip_route_flags2,
@@ -497,8 +493,8 @@
        "Emit an ICMP unreachable when matched\n"
        "Silently discard pkts when matched\n")
 {
-  return zebra_static_ipv4 (vty, 1, argv[0], NULL, NULL, argv[1], NULL,
-                            NULL);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 1, argv[0], NULL,
+				 NULL, argv[1], NULL, NULL, NULL);
 }
 
 /* Mask as A.B.C.D format.  */
@@ -513,8 +509,8 @@
        "IP gateway interface name\n"
        "Null interface\n")
 {
-  return zebra_static_ipv4 (vty, 1, argv[0], argv[1], argv[2], NULL, NULL,
-                            NULL);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 1, argv[0], argv[1],
+				 argv[2], NULL, NULL, NULL, NULL);
 }
 
 DEFUN (ip_route_mask_flags,
@@ -529,8 +525,8 @@
        "Emit an ICMP unreachable when matched\n"
        "Silently discard pkts when matched\n")
 {
-  return zebra_static_ipv4 (vty, 1, argv[0], argv[1], argv[2], argv[3], NULL,
-                            NULL);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 1, argv[0], argv[1],
+				 argv[2], argv[3], NULL, NULL, NULL);
 }
 
 DEFUN (ip_route_mask_flags2,
@@ -543,8 +539,8 @@
        "Emit an ICMP unreachable when matched\n"
        "Silently discard pkts when matched\n")
 {
-  return zebra_static_ipv4 (vty, 1, argv[0], argv[1], NULL, argv[2], NULL,
-                            NULL);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 1, argv[0], argv[1],
+				 NULL, argv[2], NULL, NULL, NULL);
 }
 
 /* Distance option value.  */
@@ -559,8 +555,8 @@
        "Null interface\n"
        "Distance value for this route\n")
 {
-  return zebra_static_ipv4 (vty, 1, argv[0], NULL, argv[1], NULL, argv[2],
-                            NULL);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 1, argv[0], NULL,
+				 argv[1], NULL, NULL, argv[2], NULL);
 }
 
 DEFUN (ip_route_flags_distance,
@@ -575,8 +571,8 @@
        "Silently discard pkts when matched\n"
        "Distance value for this route\n")
 {
-  return zebra_static_ipv4 (vty, 1, argv[0], NULL, argv[1], argv[2], argv[3],
-                            NULL);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 1, argv[0], NULL, argv[1],
+				 argv[2], NULL, argv[3], NULL);
 }
 
 DEFUN (ip_route_flags_distance2,
@@ -589,8 +585,8 @@
        "Silently discard pkts when matched\n"
        "Distance value for this route\n")
 {
-  return zebra_static_ipv4 (vty, 1, argv[0], NULL, NULL, argv[1], argv[2],
-                            NULL);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 1, argv[0], NULL,
+				 NULL, argv[1], NULL, argv[2], NULL);
 }
 
 DEFUN (ip_route_mask_distance,
@@ -605,8 +601,8 @@
        "Null interface\n"
        "Distance value for this route\n")
 {
-  return zebra_static_ipv4 (vty, 1, argv[0], argv[1], argv[2], NULL, argv[3],
-                            NULL);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 1, argv[0], argv[1], argv[2],
+				 NULL, NULL, argv[3], NULL);
 }
 
 DEFUN (ip_route_mask_flags_distance,
@@ -622,8 +618,8 @@
        "Silently discard pkts when matched\n"
        "Distance value for this route\n")
 {
-  return zebra_static_ipv4 (vty, 1, argv[0], argv[1], argv[2], argv[3], argv[4],
-                            NULL);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 1, argv[0], argv[1], argv[2],
+				 argv[3], NULL, argv[4], NULL);
 }
 
 DEFUN (ip_route_mask_flags_distance2,
@@ -637,8 +633,8 @@
        "Silently discard pkts when matched\n"
        "Distance value for this route\n")
 {
-  return zebra_static_ipv4 (vty, 1, argv[0], argv[1], NULL, argv[2], argv[3],
-                            NULL);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 1, argv[0], argv[1],
+				 NULL, argv[2], NULL, argv[3], NULL);
 }
 
 DEFUN (no_ip_route, 
@@ -652,8 +648,8 @@
        "IP gateway interface name\n"
        "Null interface\n")
 {
-  return zebra_static_ipv4 (vty, 0, argv[0], NULL, argv[1], NULL, NULL,
-                            NULL);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 0, argv[0], NULL,
+				 argv[1], NULL, NULL, NULL, NULL);
 }
 
 ALIAS (no_ip_route,
@@ -678,8 +674,8 @@
        "Emit an ICMP unreachable when matched\n"
        "Silently discard pkts when matched\n")
 {
-  return zebra_static_ipv4 (vty, 0, argv[0], NULL, NULL, NULL, NULL,
-                            NULL);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 0, argv[0], NULL,
+				 NULL, NULL, NULL, NULL, NULL);
 }
 
 DEFUN (no_ip_route_mask,
@@ -694,8 +690,8 @@
        "IP gateway interface name\n"
        "Null interface\n")
 {
-  return zebra_static_ipv4 (vty, 0, argv[0], argv[1], argv[2], NULL, NULL,
-                            NULL);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 0, argv[0], argv[1],
+				 argv[2], NULL, NULL, NULL, NULL);
 }
 
 ALIAS (no_ip_route_mask,
@@ -722,8 +718,8 @@
        "Emit an ICMP unreachable when matched\n"
        "Silently discard pkts when matched\n")
 {
-  return zebra_static_ipv4 (vty, 0, argv[0], argv[1], NULL, NULL, NULL,
-                            NULL);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 0, argv[0], argv[1],
+				 NULL, NULL, NULL, NULL, NULL);
 }
 
 DEFUN (no_ip_route_distance,
@@ -738,8 +734,8 @@
        "Null interface\n"
        "Distance value for this route\n")
 {
-  return zebra_static_ipv4 (vty, 0, argv[0], NULL, argv[1], NULL, argv[2],
-                            NULL);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 0, argv[0], NULL,
+				 argv[1], NULL, NULL, argv[2], NULL);
 }
 
 DEFUN (no_ip_route_flags_distance,
@@ -755,8 +751,8 @@
        "Silently discard pkts when matched\n"
        "Distance value for this route\n")
 {
-  return zebra_static_ipv4 (vty, 0, argv[0], NULL, argv[1], argv[2], argv[3],
-                            NULL);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 0, argv[0], NULL,
+				 argv[1], argv[2], NULL, argv[3], NULL);
 }
 
 DEFUN (no_ip_route_flags_distance2,
@@ -770,8 +766,8 @@
        "Silently discard pkts when matched\n"
        "Distance value for this route\n")
 {
-  return zebra_static_ipv4 (vty, 0, argv[0], NULL, NULL, argv[1], argv[2],
-                            NULL);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 0, argv[0], NULL, NULL,
+				 argv[1], NULL, argv[2], NULL);
 }
 
 DEFUN (no_ip_route_mask_distance,
@@ -787,8 +783,8 @@
        "Null interface\n"
        "Distance value for this route\n")
 {
-  return zebra_static_ipv4 (vty, 0, argv[0], argv[1], argv[2], NULL, argv[3],
-                            NULL);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 0, argv[0], argv[1],
+				 argv[2], NULL, NULL, argv[3], NULL);
 }
 
 DEFUN (no_ip_route_mask_flags_distance,
@@ -805,8 +801,8 @@
        "Silently discard pkts when matched\n"
        "Distance value for this route\n")
 {
-  return zebra_static_ipv4 (vty, 0, argv[0], argv[1], argv[2], argv[3], argv[4],
-                            NULL);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 0, argv[0], argv[1],
+				 argv[2], argv[3], NULL, argv[4], NULL);
 }
 
 DEFUN (no_ip_route_mask_flags_distance2,
@@ -821,8 +817,8 @@
        "Silently discard pkts when matched\n"
        "Distance value for this route\n")
 {
-  return zebra_static_ipv4 (vty, 0, argv[0], argv[1], NULL, argv[2], argv[3],
-                            NULL);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 0, argv[0], argv[1],
+				 NULL, argv[2], NULL, argv[3], NULL);
 }
 
 DEFUN (ip_route_vrf,
@@ -836,8 +832,8 @@
        "Null interface\n"
        VRF_CMD_HELP_STR)
 {
-  return zebra_static_ipv4 (vty, 1, argv[0], NULL, argv[1], NULL, NULL,
-                            argv[2]);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 1, argv[0], NULL,
+				 argv[1], NULL, NULL, NULL, argv[2]);
 }
 
 DEFUN (ip_route_flags_vrf,
@@ -852,8 +848,8 @@
        "Silently discard pkts when matched\n"
        VRF_CMD_HELP_STR)
 {
-  return zebra_static_ipv4 (vty, 1, argv[0], NULL, argv[1], argv[2], NULL,
-                            argv[3]);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 1, argv[0], NULL,
+				 argv[1], argv[2], NULL, NULL, argv[3]);
 }
 
 DEFUN (ip_route_flags2_vrf,
@@ -866,8 +862,8 @@
        "Silently discard pkts when matched\n"
        VRF_CMD_HELP_STR)
 {
-  return zebra_static_ipv4 (vty, 1, argv[0], NULL, NULL, argv[1], NULL,
-                            argv[2]);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 1, argv[0], NULL,
+				 NULL, argv[1], NULL, NULL, argv[2]);
 }
 
 /* Mask as A.B.C.D format.  */
@@ -883,8 +879,8 @@
        "Null interface\n"
        VRF_CMD_HELP_STR)
 {
-  return zebra_static_ipv4 (vty, 1, argv[0], argv[1], argv[2], NULL, NULL,
-                            argv[3]);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 1, argv[0], argv[1],
+				 argv[2], NULL, NULL, NULL, argv[3]);
 }
 
 DEFUN (ip_route_mask_flags_vrf,
@@ -900,8 +896,8 @@
        "Silently discard pkts when matched\n"
        VRF_CMD_HELP_STR)
 {
-  return zebra_static_ipv4 (vty, 1, argv[0], argv[1], argv[2], argv[3], NULL,
-                            argv[4]);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 1, argv[0], argv[1],
+				 argv[2], argv[3], NULL, NULL, argv[4]);
 }
 
 DEFUN (ip_route_mask_flags2_vrf,
@@ -915,8 +911,8 @@
        "Silently discard pkts when matched\n"
        VRF_CMD_HELP_STR)
 {
-  return zebra_static_ipv4 (vty, 1, argv[0], argv[1], NULL, argv[2], NULL,
-                            argv[3]);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 1, argv[0], argv[1],
+				 NULL, argv[2], NULL, NULL, argv[3]);
 }
 
 /* Distance option value.  */
@@ -932,8 +928,8 @@
        "Distance value for this route\n"
        VRF_CMD_HELP_STR)
 {
-  return zebra_static_ipv4 (vty, 1, argv[0], NULL, argv[1], NULL, argv[2],
-                            argv[3]);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 1, argv[0], NULL,
+				 argv[1], NULL, NULL, argv[2], argv[3]);
 }
 
 DEFUN (ip_route_flags_distance_vrf,
@@ -949,8 +945,8 @@
        "Distance value for this route\n"
        VRF_CMD_HELP_STR)
 {
-  return zebra_static_ipv4 (vty, 1, argv[0], NULL, argv[1], argv[2], argv[3],
-                            argv[4]);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 1, argv[0], NULL,
+				 argv[1], argv[2], NULL, argv[3], argv[4]);
 }
 
 DEFUN (ip_route_flags_distance2_vrf,
@@ -964,8 +960,8 @@
        "Distance value for this route\n"
        VRF_CMD_HELP_STR)
 {
-  return zebra_static_ipv4 (vty, 1, argv[0], NULL, NULL, argv[1], argv[2],
-                            argv[3]);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 1, argv[0], NULL,
+				 NULL, argv[1], NULL, argv[2], argv[3]);
 }
 
 DEFUN (ip_route_mask_distance_vrf,
@@ -981,8 +977,8 @@
        "Distance value for this route\n"
        VRF_CMD_HELP_STR)
 {
-  return zebra_static_ipv4 (vty, 1, argv[0], argv[1], argv[2], NULL, argv[3],
-                            argv[4]);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 1, argv[0], argv[1],
+				 argv[2], NULL, NULL, argv[3], argv[4]);
 }
 
 DEFUN (ip_route_mask_flags_distance_vrf,
@@ -999,8 +995,8 @@
        "Distance value for this route\n"
        VRF_CMD_HELP_STR)
 {
-  return zebra_static_ipv4 (vty, 1, argv[0], argv[1], argv[2], argv[3], argv[4],
-                            argv[5]);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 1, argv[0], argv[1],
+				 argv[2], argv[3], NULL, argv[4], argv[5]);
 }
 
 DEFUN (ip_route_mask_flags_distance2_vrf,
@@ -1015,8 +1011,8 @@
        "Distance value for this route\n"
        VRF_CMD_HELP_STR)
 {
-  return zebra_static_ipv4 (vty, 1, argv[0], argv[1], NULL, argv[2], argv[3],
-                            argv[4]);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 1, argv[0], argv[1],
+				 NULL, argv[2], NULL, argv[3], argv[4]);
 }
 
 DEFUN (no_ip_route_vrf,
@@ -1031,8 +1027,9 @@
        "Null interface\n"
        VRF_CMD_HELP_STR)
 {
-  return zebra_static_ipv4 (vty, 0, argv[0], NULL, argv[1], NULL, NULL,
-                            (argc > 3) ? argv[3] : argv[2]);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 0, argv[0],
+				 NULL, argv[1], NULL, NULL, NULL,
+				 (argc > 3) ? argv[3] : argv[2]);
 }
 
 ALIAS (no_ip_route_vrf,
@@ -1059,8 +1056,8 @@
        "Silently discard pkts when matched\n"
        VRF_CMD_HELP_STR)
 {
-  return zebra_static_ipv4 (vty, 0, argv[0], NULL, NULL, NULL, NULL,
-                            argv[2]);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 0, argv[0],
+				 NULL, NULL, NULL, NULL, NULL, argv[2]);
 }
 
 DEFUN (no_ip_route_mask_vrf,
@@ -1076,8 +1073,9 @@
        "Null interface\n"
        VRF_CMD_HELP_STR)
 {
-  return zebra_static_ipv4 (vty, 0, argv[0], argv[1], argv[2], NULL, NULL,
-                            (argc > 4) ? argv[4] : argv[3]);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 0, argv[0], argv[1],
+				 argv[2], NULL, NULL, NULL,
+				 (argc > 4) ? argv[4] : argv[3]);
 }
 
 ALIAS (no_ip_route_mask_vrf,
@@ -1106,8 +1104,8 @@
        "Silently discard pkts when matched\n"
        VRF_CMD_HELP_STR)
 {
-  return zebra_static_ipv4 (vty, 0, argv[0], argv[1], NULL, NULL, NULL,
-                            argv[2]);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 0, argv[0], argv[1],
+				 NULL, NULL, NULL, NULL, argv[2]);
 }
 
 DEFUN (no_ip_route_distance_vrf,
@@ -1123,8 +1121,8 @@
        "Distance value for this route\n"
        VRF_CMD_HELP_STR)
 {
-  return zebra_static_ipv4 (vty, 0, argv[0], NULL, argv[1], NULL, argv[2],
-                            argv[3]);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 0, argv[0], NULL,
+				 argv[1], NULL, NULL, argv[2], argv[3]);
 }
 
 DEFUN (no_ip_route_flags_distance_vrf,
@@ -1141,8 +1139,8 @@
        "Distance value for this route\n"
        VRF_CMD_HELP_STR)
 {
-  return zebra_static_ipv4 (vty, 0, argv[0], NULL, argv[1], argv[2], argv[3],
-                            argv[4]);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 0, argv[0], NULL, argv[1],
+				 argv[2], NULL, argv[3], argv[4]);
 }
 
 DEFUN (no_ip_route_flags_distance2_vrf,
@@ -1157,8 +1155,8 @@
        "Distance value for this route\n"
        VRF_CMD_HELP_STR)
 {
-  return zebra_static_ipv4 (vty, 0, argv[0], NULL, NULL, argv[1], argv[2],
-                            argv[3]);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 0, argv[0], NULL, NULL,
+				 argv[1], NULL, argv[2], argv[3]);
 }
 
 DEFUN (no_ip_route_mask_distance_vrf,
@@ -1175,8 +1173,8 @@
        "Distance value for this route\n"
        VRF_CMD_HELP_STR)
 {
-  return zebra_static_ipv4 (vty, 0, argv[0], argv[1], argv[2], NULL, argv[3],
-                            argv[4]);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 0, argv[0], argv[1],
+				 argv[2], NULL, NULL, argv[3], argv[4]);
 }
 
 DEFUN (no_ip_route_mask_flags_distance_vrf,
@@ -1194,8 +1192,8 @@
        "Distance value for this route\n"
        VRF_CMD_HELP_STR)
 {
-  return zebra_static_ipv4 (vty, 0, argv[0], argv[1], argv[2], argv[3], argv[4],
-                            argv[5]);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 0, argv[0], argv[1], argv[2],
+				 argv[3], NULL, argv[4], argv[5]);
 }
 
 DEFUN (no_ip_route_mask_flags_distance2_vrf,
@@ -1211,8 +1209,8 @@
        "Distance value for this route\n"
        VRF_CMD_HELP_STR)
 {
-  return zebra_static_ipv4 (vty, 0, argv[0], argv[1], NULL, argv[2], argv[3],
-                            argv[4]);
+  return zebra_static_ipv4_safi (vty, SAFI_UNICAST, 0, argv[0], argv[1], NULL,
+                                 argv[2], NULL, argv[3], argv[4]);
 }
 
 char *proto_rm[AFI_MAX][ZEBRA_ROUTE_MAX+1];	/* "any" == ZEBRA_ROUTE_MAX */
@@ -1294,6 +1292,7 @@
       vty_out (vty, ", distance %u, metric %u", rib->distance, rib->metric);
       if (rib->mtu)
         vty_out (vty, ", mtu %u", rib->mtu);
+      vty_out (vty, ", tag %d", rib->tag);
       vty_out (vty, ", vrf %u", rib->vrf_id);
       if (CHECK_FLAG (rib->flags, ZEBRA_FLAG_SELECTED))
         vty_out (vty, ", best");
@@ -2468,6 +2467,9 @@
                   vty_out (vty, " %s", "blackhole");
               }
 
+	    if (si->tag)
+	      vty_out (vty, " tag %d", si->tag);
+
             if (si->distance != ZEBRA_STATIC_DISTANCE_DEFAULT)
               vty_out (vty, " %d", si->distance);
 
@@ -2511,13 +2513,12 @@
     return CMD_SUCCESS;
 }
 
-#ifdef HAVE_IPV6
 /* General fucntion for IPv6 static route. */
 static int
 static_ipv6_func (struct vty *vty, int add_cmd, const char *dest_str,
 		  const char *gate_str, const char *ifname,
-		  const char *flag_str, const char *distance_str,
-		  const char *vrf_id_str)
+		  const char *flag_str, const char *tag_str,
+		  const char *distance_str, const char *vrf_id_str)
 {
   int ret;
   u_char distance;
@@ -2527,6 +2528,7 @@
   u_char type = 0;
   vrf_id_t vrf_id = VRF_DEFAULT;
   u_char flag = 0;
+  u_short tag = 0;
   
   ret = str2prefix (dest_str, &p);
   if (ret <= 0)
@@ -2561,6 +2563,10 @@
   else
     distance = ZEBRA_STATIC_DISTANCE_DEFAULT;
 
+  /* tag */
+  if (tag_str)
+    tag = atoi (tag_str);
+
   /* When gateway is valid IPv6 addrees, then gate is treated as
      nexthop address other case gate is treated as interface name. */
   ret = inet_pton (AF_INET6, gate_str, &gate_addr);
@@ -2596,9 +2602,9 @@
     VTY_GET_INTEGER ("VRF ID", vrf_id, vrf_id_str);
 
   if (add_cmd)
-    static_add_ipv6 (&p, type, gate, ifname, flag, distance, vrf_id);
+    static_add_ipv6 (&p, type, gate, ifname, flag, tag, distance, vrf_id);
   else
-    static_delete_ipv6 (&p, type, gate, ifname, distance, vrf_id);
+    static_delete_ipv6 (&p, type, gate, ifname, tag, distance, vrf_id);
 
   return CMD_SUCCESS;
 }
@@ -2613,7 +2619,7 @@
        "IPv6 gateway interface name\n")
 {
   return static_ipv6_func (vty, 1, argv[0], argv[1], NULL, NULL, NULL,
-                           NULL);
+                           NULL, NULL);
 }
 
 DEFUN (ipv6_route_flags,
@@ -2628,7 +2634,7 @@
        "Silently discard pkts when matched\n")
 {
   return static_ipv6_func (vty, 1, argv[0], argv[1], NULL, argv[2], NULL,
-                           NULL);
+                           NULL, NULL);
 }
 
 DEFUN (ipv6_route_ifname,
@@ -2641,7 +2647,7 @@
        "IPv6 gateway interface name\n")
 {
   return static_ipv6_func (vty, 1, argv[0], argv[1], argv[2], NULL, NULL,
-                           NULL);
+                           NULL, NULL);
 }
 
 DEFUN (ipv6_route_ifname_flags,
@@ -2656,7 +2662,7 @@
        "Silently discard pkts when matched\n")
 {
   return static_ipv6_func (vty, 1, argv[0], argv[1], argv[2], argv[3], NULL,
-                           NULL);
+                           NULL, NULL);
 }
 
 DEFUN (ipv6_route_pref,
@@ -2669,7 +2675,7 @@
        "IPv6 gateway interface name\n"
        "Distance value for this prefix\n")
 {
-  return static_ipv6_func (vty, 1, argv[0], argv[1], NULL, NULL, argv[2],
+  return static_ipv6_func (vty, 1, argv[0], argv[1], NULL, NULL, NULL, argv[2],
                            NULL);
 }
 
@@ -2685,7 +2691,7 @@
        "Silently discard pkts when matched\n"
        "Distance value for this prefix\n")
 {
-  return static_ipv6_func (vty, 1, argv[0], argv[1], NULL, argv[2], argv[3],
+  return static_ipv6_func (vty, 1, argv[0], argv[1], NULL, argv[2], NULL, argv[3],
                            NULL);
 }
 
@@ -2699,7 +2705,7 @@
        "IPv6 gateway interface name\n"
        "Distance value for this prefix\n")
 {
-  return static_ipv6_func (vty, 1, argv[0], argv[1], argv[2], NULL, argv[3],
+  return static_ipv6_func (vty, 1, argv[0], argv[1], argv[2], NULL, NULL, argv[3],
                            NULL);
 }
 
@@ -2715,7 +2721,7 @@
        "Silently discard pkts when matched\n"
        "Distance value for this prefix\n")
 {
-  return static_ipv6_func (vty, 1, argv[0], argv[1], argv[2], argv[3], argv[4],
+  return static_ipv6_func (vty, 1, argv[0], argv[1], argv[2], argv[3], NULL, argv[4],
                            NULL);
 }
 
@@ -2729,7 +2735,7 @@
        "IPv6 gateway address\n"
        "IPv6 gateway interface name\n")
 {
-  return static_ipv6_func (vty, 0, argv[0], argv[1], NULL, NULL, NULL,
+  return static_ipv6_func (vty, 0, argv[0], argv[1], NULL, NULL, NULL, NULL,
                            NULL);
 }
 
@@ -2755,7 +2761,7 @@
        "IPv6 gateway address\n"
        "IPv6 gateway interface name\n")
 {
-  return static_ipv6_func (vty, 0, argv[0], argv[1], argv[2], NULL, NULL,
+  return static_ipv6_func (vty, 0, argv[0], argv[1], argv[2], NULL, NULL, NULL,
                            NULL);
 }
 
@@ -2782,7 +2788,7 @@
        "IPv6 gateway interface name\n"
        "Distance value for this prefix\n")
 {
-  return static_ipv6_func (vty, 0, argv[0], argv[1], NULL, NULL, argv[2],
+  return static_ipv6_func (vty, 0, argv[0], argv[1], NULL, NULL, NULL, argv[2],
                            NULL);
 }
 
@@ -2800,7 +2806,7 @@
        "Distance value for this prefix\n")
 {
   /* We do not care about argv[2] */
-  return static_ipv6_func (vty, 0, argv[0], argv[1], NULL, argv[2], argv[3],
+  return static_ipv6_func (vty, 0, argv[0], argv[1], NULL, argv[2], NULL, argv[3],
                            NULL);
 }
 
@@ -2815,7 +2821,7 @@
        "IPv6 gateway interface name\n"
        "Distance value for this prefix\n")
 {
-  return static_ipv6_func (vty, 0, argv[0], argv[1], argv[2], NULL, argv[3],
+  return static_ipv6_func (vty, 0, argv[0], argv[1], argv[2], NULL, NULL, argv[3],
                            NULL);
 }
 
@@ -2832,7 +2838,7 @@
        "Silently discard pkts when matched\n"
        "Distance value for this prefix\n")
 {
-  return static_ipv6_func (vty, 0, argv[0], argv[1], argv[2], argv[3], argv[4],
+  return static_ipv6_func (vty, 0, argv[0], argv[1], argv[2], argv[3], NULL, argv[4],
                            NULL);
 }
 
@@ -2846,7 +2852,7 @@
        "IPv6 gateway interface name\n"
        VRF_CMD_HELP_STR)
 {
-  return static_ipv6_func (vty, 1, argv[0], argv[1], NULL, NULL, NULL,
+  return static_ipv6_func (vty, 1, argv[0], argv[1], NULL, NULL, NULL, NULL,
                            argv[2]);
 }
 
@@ -2862,7 +2868,7 @@
        "Silently discard pkts when matched\n"
        VRF_CMD_HELP_STR)
 {
-  return static_ipv6_func (vty, 1, argv[0], argv[1], NULL, argv[2], NULL,
+  return static_ipv6_func (vty, 1, argv[0], argv[1], NULL, argv[2], NULL, NULL,
                            argv[3]);
 }
 
@@ -2876,7 +2882,7 @@
        "IPv6 gateway interface name\n"
        VRF_CMD_HELP_STR)
 {
-  return static_ipv6_func (vty, 1, argv[0], argv[1], argv[2], NULL, NULL,
+  return static_ipv6_func (vty, 1, argv[0], argv[1], argv[2], NULL, NULL, NULL,
                            argv[3]);
 }
 
@@ -2892,7 +2898,7 @@
        "Silently discard pkts when matched\n"
        VRF_CMD_HELP_STR)
 {
-  return static_ipv6_func (vty, 1, argv[0], argv[1], argv[2], argv[3], NULL,
+  return static_ipv6_func (vty, 1, argv[0], argv[1], argv[2], argv[3], NULL, NULL,
                            argv[4]);
 }
 
@@ -2907,7 +2913,7 @@
        "Distance value for this prefix\n"
        VRF_CMD_HELP_STR)
 {
-  return static_ipv6_func (vty, 1, argv[0], argv[1], NULL, NULL, argv[2],
+  return static_ipv6_func (vty, 1, argv[0], argv[1], NULL, NULL, NULL, argv[2],
                            argv[3]);
 }
 
@@ -2924,7 +2930,7 @@
        "Distance value for this prefix\n"
        VRF_CMD_HELP_STR)
 {
-  return static_ipv6_func (vty, 1, argv[0], argv[1], NULL, argv[2], argv[3],
+  return static_ipv6_func (vty, 1, argv[0], argv[1], NULL, argv[2], NULL, argv[3],
                            argv[4]);
 }
 
@@ -2939,7 +2945,7 @@
        "Distance value for this prefix\n"
        VRF_CMD_HELP_STR)
 {
-  return static_ipv6_func (vty, 1, argv[0], argv[1], argv[2], NULL, argv[3],
+  return static_ipv6_func (vty, 1, argv[0], argv[1], argv[2], NULL, NULL, argv[3],
                            argv[4]);
 }
 
@@ -2956,7 +2962,7 @@
        "Distance value for this prefix\n"
        VRF_CMD_HELP_STR)
 {
-  return static_ipv6_func (vty, 1, argv[0], argv[1], argv[2], argv[3], argv[4],
+  return static_ipv6_func (vty, 1, argv[0], argv[1], argv[2], argv[3], NULL, argv[4],
                            argv[5]);
 }
 
@@ -2971,7 +2977,7 @@
        "IPv6 gateway interface name\n"
        VRF_CMD_HELP_STR)
 {
-  return static_ipv6_func (vty, 0, argv[0], argv[1], NULL, NULL, NULL,
+  return static_ipv6_func (vty, 0, argv[0], argv[1], NULL, NULL, NULL, NULL,
                            (argc > 3) ? argv[3] : argv[2]);
 }
 
@@ -2999,7 +3005,7 @@
        "IPv6 gateway interface name\n"
        VRF_CMD_HELP_STR)
 {
-  return static_ipv6_func (vty, 0, argv[0], argv[1], argv[2], NULL, NULL,
+  return static_ipv6_func (vty, 0, argv[0], argv[1], argv[2], NULL, NULL, NULL,
                            (argc > 4) ? argv[4] : argv[3]);
 }
 
@@ -3028,7 +3034,7 @@
        "Distance value for this prefix\n"
        VRF_CMD_HELP_STR)
 {
-  return static_ipv6_func (vty, 0, argv[0], argv[1], NULL, NULL, argv[2],
+  return static_ipv6_func (vty, 0, argv[0], argv[1], NULL, NULL, NULL, argv[2],
                            argv[3]);
 }
 
@@ -3047,7 +3053,7 @@
        VRF_CMD_HELP_STR)
 {
   /* We do not care about argv[2] */
-  return static_ipv6_func (vty, 0, argv[0], argv[1], NULL, argv[2], argv[3],
+  return static_ipv6_func (vty, 0, argv[0], argv[1], NULL, argv[2], NULL, argv[3],
                            argv[4]);
 }
 
@@ -3063,7 +3069,7 @@
        "Distance value for this prefix\n"
        VRF_CMD_HELP_STR)
 {
-  return static_ipv6_func (vty, 0, argv[0], argv[1], argv[2], NULL, argv[3],
+  return static_ipv6_func (vty, 0, argv[0], argv[1], argv[2], NULL, NULL, argv[3],
                            argv[4]);
 }
 
@@ -3081,7 +3087,7 @@
        "Distance value for this prefix\n"
        VRF_CMD_HELP_STR)
 {
-  return static_ipv6_func (vty, 0, argv[0], argv[1], argv[2], argv[3], argv[4],
+  return static_ipv6_func (vty, 0, argv[0], argv[1], argv[2], argv[3], NULL, argv[4],
                            argv[5]);
 }
 
@@ -3798,6 +3804,9 @@
             if (CHECK_FLAG(si->flags, ZEBRA_FLAG_BLACKHOLE))
               vty_out (vty, " %s", "blackhole");
 
+	    if (si->tag)
+	      vty_out (vty, " tag %d", si->tag);
+
             if (si->distance != ZEBRA_STATIC_DISTANCE_DEFAULT)
               vty_out (vty, " %d", si->distance);
 
@@ -3811,7 +3820,6 @@
     }
   return write;
 }
-#endif /* HAVE_IPV6 */
 
 /* Static ip route configuration write function. */
 static int
@@ -4036,4 +4044,5 @@
   install_element (VIEW_NODE, &show_ipv6_mroute_vrf_cmd);
 
   install_element (VIEW_NODE, &show_ipv6_mroute_vrf_all_cmd);
+  install_element (ENABLE_NODE, &show_ipv6_mroute_vrf_all_cmd);
 }