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From Hannes Gredler: labeled unicast support for BGP. 

svn path=/trunk/; revision=5481
This commit is contained in:
Guy Harris 2002-05-15 21:40:25 +00:00
parent 745bb18d57
commit 0548e8d0f3
2 changed files with 27 additions and 1 deletions
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AUTHORS
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@ -673,6 +673,7 @@ Hannes Gredler <hannes[AT]juniper.net> {
Many IS-IS enhancements
Juniper Networks vendor ID in RADIUS dissector
HELLO message support in RSVP
Labeled unicast support for BGP
}
Inoue <inoue[AT]ainet.or.jp> {

27
packet-bgp.c
View File

@ -2,7 +2,7 @@
* Routines for BGP packet dissection.
* Copyright 1999, Jun-ichiro itojun Hagino <itojun@itojun.org>
*
* $Id: packet-bgp.c,v 1.55 2002/02/14 05:25:52 guy Exp $
* $Id: packet-bgp.c,v 1.56 2002/05/15 21:40:25 guy Exp $
*
* Supports:
* RFC1771 A Border Gateway Protocol 4 (BGP-4)
@ -340,6 +340,7 @@ mp_addr_to_str (guint16 afi, guint8 safi, tvbuff_t *tvb, gint offset, char *buf,
case SAFNUM_UNICAST:
case SAFNUM_MULCAST:
case SAFNUM_UNIMULC:
case SAFNUM_MPLS_LABEL:
length = 4 ;
tvb_memcpy(tvb, ip4addr, offset, 4);
snprintf(buf, buflen, "%s", ip_to_str(ip4addr));
@ -412,6 +413,30 @@ decode_prefix_MP(guint16 afi, guint8 safi, tvbuff_t *tvb, gint offset, char *buf
case SAFNUM_UNIMULC:
length = decode_prefix4(tvb, offset, buf, buflen) - 1 ;
break;
case SAFNUM_MPLS_LABEL:
plen = tvb_get_guint8(tvb,offset) ;
labnum = decode_MPLS_stack(tvb, offset + 1, lab_stk, sizeof(lab_stk));
offset += (1 + labnum * 3);
plen -= (labnum * 3*8);
if (plen < 0 || 32 < plen) {
length = 0 ;
break ;
}
length = (plen + 7) / 8;
memset(ip4addr, 0, sizeof(ip4addr));
tvb_memcpy(tvb, ip4addr, offset, length);
if (plen % 8)
ip4addr[length - 1] &= ((0xff00 >> (plen % 8)) & 0xff);
snprintf(buf,buflen, "Label Stack=%s IP=%s/%d",
lab_stk,
ip_to_str(ip4addr),
plen);
length += (labnum*3) ;
break;
case SAFNUM_LBVPNIP:
plen = tvb_get_guint8(tvb,offset) ;