From: Ondrej Zajicek (work) <santiago@crfreenet.org>
Date: Sat, 1 Dec 2018 17:04:11 +0000 (+0100)
Subject: BGP: Add I/C/E flag for BGP routes to show route output
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1a3aba56779df88b8dcf7b564a4008c5296a74b2;p=thirdparty%2Fbird.git

BGP: Add I/C/E flag for BGP routes to show route output

The flag indicates whether the route is internal (IBGP),
intra-confederation, or external (EBGP).
---

diff --git a/proto/bgp/attrs.c b/proto/bgp/attrs.c
index e53b09d81..fc2f862ef 100644
--- a/proto/bgp/attrs.c
+++ b/proto/bgp/attrs.c
@@ -2014,11 +2014,13 @@ bgp_get_attr(eattr *a, byte *buf, int buflen)
 void
 bgp_get_route_info(rte *e, byte *buf, ea_list *attrs)
 {
+  struct bgp_proto *bgp = (void *) e->attrs->src->proto;
   eattr *p = ea_find(attrs, EA_CODE(EAP_BGP, BA_AS_PATH));
   eattr *o = ea_find(attrs, EA_CODE(EAP_BGP, BA_ORIGIN));
   u32 origas;
 
-  buf += bsprintf(buf, " (%d", e->pref);
+  char c = bgp->is_internal ? 'I' : (bgp->is_interior ? 'C' : 'E');
+  buf += bsprintf(buf, " %c (%d", c, e->pref);
 
   if (e->u.bgp.suppressed)
     buf += bsprintf(buf, "-");