commit 298cc2f688dbadf0a447fcd06ae8e20fa5006ce4
author Lou Berger <lberger@labn.net> Tue Jan 12 13:42:02 2016 -0500
committer Paul Jakma <paul.jakma@hpe.com> Fri Feb 26 14:11:44 2016 +0000
tree 50a27a17c45edc4e6a0b200617db0f066bb42fc2
parent c3741789530ee824693fd606356acac2ad695f83

bgpd: encap: add encap SAFI (RFC5512)

Adds RFC5512 and Encapsulation Attribute.

Signed-off-by: Lou Berger <lberger@labn.net>

bgpd/bgp_packet.c

diff --git a/bgpd/bgp_packet.c b/bgpd/bgp_packet.c
index 841eaab..1d18779 100644
--- a/bgpd/bgp_packet.c
+++ b/bgpd/bgp_packet.c
@@ -47,6 +47,7 @@
 #include "bgpd/bgp_ecommunity.h"
 #include "bgpd/bgp_network.h"
 #include "bgpd/bgp_mplsvpn.h"
+#include "bgpd/bgp_encap.h"
 #include "bgpd/bgp_advertise.h"
 #include "bgpd/bgp_vty.h"
 
@@ -212,7 +213,9 @@
 	  /* 5: Encode all the attributes, except MP_REACH_NLRI attr. */
 	  total_attr_len = bgp_packet_attribute (NULL, peer, s,
 	                                         adv->baa->attr,
-	                                         &rn->p, afi, safi,
+                                                 ((afi == AFI_IP && safi == SAFI_UNICAST) ?
+                                                  &rn->p : NULL),
+                                                 afi, safi,
 	                                         from, prd, tag);
 	}
 
@@ -1939,6 +1942,54 @@
 		  peer->host);
 	}
     }
+  if (peer->afc[AFI_IP][SAFI_ENCAP])
+    {
+      if (mp_update.length
+	  && mp_update.afi == AFI_IP
+	  && mp_update.safi == SAFI_ENCAP)
+	bgp_nlri_parse_encap (mp_update.afi, peer, &attr, &mp_update, 0);
+
+      if (mp_withdraw.length
+	  && mp_withdraw.afi == AFI_IP
+	  && mp_withdraw.safi == SAFI_ENCAP)
+	bgp_nlri_parse_encap (mp_withdraw.afi, peer, &attr, &mp_withdraw, 1);
+
+      if (! withdraw_len
+	  && mp_withdraw.afi == AFI_IP
+	  && mp_withdraw.safi == SAFI_MPLS_LABELED_VPN
+	  && mp_withdraw.length == 0)
+	{
+	  /* End-of-RIB received */
+
+	  if (BGP_DEBUG (update, UPDATE_IN))
+	    zlog (peer->log, LOG_DEBUG, "rcvd End-of-RIB for Encap Unicast from %s",
+		  peer->host);
+	}
+    }
+  if (peer->afc[AFI_IP6][SAFI_ENCAP])
+    {
+      if (mp_update.length 
+	  && mp_update.afi == AFI_IP6 
+	  && mp_update.safi == SAFI_ENCAP)
+	bgp_nlri_parse_encap (mp_update.afi, peer, &attr, &mp_update, 0);
+
+      if (mp_withdraw.length 
+	  && mp_withdraw.afi == AFI_IP6
+	  && mp_withdraw.safi == SAFI_ENCAP)
+	bgp_nlri_parse_encap (mp_withdraw.afi, peer, &attr, &mp_withdraw, 1);
+
+      if (! withdraw_len
+	  && mp_withdraw.afi == AFI_IP6
+	  && mp_withdraw.safi == SAFI_MPLS_LABELED_VPN
+	  && mp_withdraw.length == 0)
+	{
+	  /* End-of-RIB received */
+
+	  if (BGP_DEBUG (update, UPDATE_IN))
+	    zlog (peer->log, LOG_DEBUG, "rcvd End-of-RIB for Encap Unicast from %s",
+		  peer->host);
+	}
+    }
 
   /* Everything is done.  We unintern temporary structures which
      interned in bgp_attr_parse(). */