From 81dfcaa2e27d53f4eb61c549e03065dcb1b8eec3 Mon Sep 17 00:00:00 2001
From: hasso <hasso>
Date: Sun, 25 May 2003 19:21:25 +0000
Subject: Route (reject|blackhole) support from 6Wind patch.

---
 zebra/rt_netlink.c | 26 ++++++++++++++++++--------
 1 file changed, 18 insertions(+), 8 deletions(-)

(limited to 'zebra/rt_netlink.c')

diff --git a/zebra/rt_netlink.c b/zebra/rt_netlink.c
index b84cdbac..60043c9b 100644
--- a/zebra/rt_netlink.c
+++ b/zebra/rt_netlink.c
@@ -1163,7 +1163,8 @@ netlink_route (int cmd, int family, void *dest, int length, void *gate,
   req.r.rtm_table = table;
   req.r.rtm_dst_len = length;
 
-  if (zebra_flags & ZEBRA_FLAG_BLACKHOLE)
+  if ((zebra_flags & ZEBRA_FLAG_BLACKHOLE)
+      || (zebra_flags & ZEBRA_FLAG_REJECT))
     discard = 1;
   else
     discard = 0;
@@ -1173,9 +1174,13 @@ netlink_route (int cmd, int family, void *dest, int length, void *gate,
       req.r.rtm_protocol = RTPROT_ZEBRA;
       req.r.rtm_scope = RT_SCOPE_UNIVERSE;
 
-      if (discard)
-	req.r.rtm_type = RTN_BLACKHOLE;
-      else
+      if (discard) {
+       if (zebra_flags & ZEBRA_FLAG_BLACKHOLE)
+         req.r.rtm_type = RTN_BLACKHOLE;
+       else if (zebra_flags & ZEBRA_FLAG_REJECT)
+         req.r.rtm_type = RTN_UNREACHABLE;
+       else assert(RTN_BLACKHOLE != RTN_UNREACHABLE); /* false */
+      } else
 	req.r.rtm_type = RTN_UNICAST;
     }
 
@@ -1236,7 +1241,8 @@ netlink_route_multipath (int cmd, struct prefix *p, struct rib *rib,
   req.r.rtm_flags |= RTM_F_EQUALIZE;
 #endif /* RTM_F_EQUALIZE */
 
-  if (rib->flags & ZEBRA_FLAG_BLACKHOLE)
+  if ((rib->flags & ZEBRA_FLAG_BLACKHOLE)
+      || (rib->flags & ZEBRA_FLAG_REJECT))
     discard = 1;
   else
     discard = 0;
@@ -1246,9 +1252,13 @@ netlink_route_multipath (int cmd, struct prefix *p, struct rib *rib,
       req.r.rtm_protocol = RTPROT_ZEBRA;
       req.r.rtm_scope = RT_SCOPE_UNIVERSE;
 
-      if (discard)
-	req.r.rtm_type = RTN_BLACKHOLE;
-      else
+      if (discard) {
+       if (rib->flags & ZEBRA_FLAG_BLACKHOLE)
+         req.r.rtm_type = RTN_BLACKHOLE;
+       else if (rib->flags & ZEBRA_FLAG_REJECT)
+         req.r.rtm_type = RTN_UNREACHABLE;
+       else assert(RTN_BLACKHOLE != RTN_UNREACHABLE); /* false */
+      } else
 	req.r.rtm_type = RTN_UNICAST;
     }
 
-- 
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