diff options
| author | fenner <fenner> | 2002-05-07 18:35:39 +0000 |
|---|---|---|
| committer | fenner <fenner> | 2002-05-07 18:35:39 +0000 |
| commit | a642694fd02988531bdc6defc1d619b1105d8ed9 (patch) | |
| tree | 55b4c3f40f7d2de2053a78121642bf90ae1d432f /print-mpls.c | |
| parent | aa15fc8b978767f45a06a30ba71bbd326ca27b81 (diff) | |
| download | tcpdump-a642694fd02988531bdc6defc1d619b1105d8ed9.tar.gz | |
Print the whole MPLS label stack.
Submitted by: Kaarthik Sivakumar <kaarthik@torrentnet.com>
Diffstat (limited to 'print-mpls.c')
| -rw-r--r-- | print-mpls.c | 35 |
1 files changed, 18 insertions, 17 deletions
diff --git a/print-mpls.c b/print-mpls.c index c579dd79..8d5e7a4a 100644 --- a/print-mpls.c +++ b/print-mpls.c @@ -28,7 +28,7 @@ #ifndef lint static const char rcsid[] = - "@(#) $Header: /tcpdump/master/tcpdump/print-mpls.c,v 1.2 2001-06-26 06:24:57 guy Exp $ (LBL)"; + "@(#) $Header: /tcpdump/master/tcpdump/print-mpls.c,v 1.3 2002-05-07 18:35:39 fenner Exp $ (LBL)"; #endif #ifdef HAVE_CONFIG_H @@ -83,23 +83,24 @@ mpls_print(const u_char *bp, u_int length) p = bp; printf("MPLS"); - TCHECK2(*p, sizeof(v)); - memcpy(&v, p, sizeof(v)); - v = (u_int32_t)ntohl(v); - printf(" ("); /*)*/ - printf("label 0x%x", MPLS_LABEL(v)); - if (vflag && - MPLS_LABEL(v) < sizeof(mpls_labelname) / sizeof(mpls_labelname[0])) - printf("(%s)", mpls_labelname[MPLS_LABEL(v)]); - if (MPLS_EXP(v)) - printf(" exp 0x%x", MPLS_EXP(v)); - if (MPLS_STACK(v)) - printf("[S]"); - printf(" TTL %u", MPLS_TTL(v)); - /*(*/ - printf(")"); + do { + TCHECK2(*p, sizeof(v)); + v = EXTRACT_32BITS(p); + printf(" ("); /*)*/ + printf("label 0x%x", MPLS_LABEL(v)); + if (vflag && + MPLS_LABEL(v) < sizeof(mpls_labelname) / sizeof(mpls_labelname[0])) + printf("(%s)", mpls_labelname[MPLS_LABEL(v)]); + if (MPLS_EXP(v)) + printf(" exp 0x%x", MPLS_EXP(v)); + if (MPLS_STACK(v)) + printf("[S]"); + printf(" TTL %u", MPLS_TTL(v)); + /*(*/ + printf(")"); - p += sizeof(v); + p += sizeof(v); + } while (!MPLS_STACK(v)); switch (MPLS_LABEL(v)) { case 0: /* IPv4 explicit NULL label */ |