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author | sam <sam@FreeBSD.org> | 2005-07-11 03:54:22 +0000 |
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committer | sam <sam@FreeBSD.org> | 2005-07-11 03:54:22 +0000 |
commit | 1166f90fe87cef69f7923a1b8c386eecdc6cb92b (patch) | |
tree | 87e350d89f0c352cd41839a49086d78bf700350e /contrib/tcpdump/print-mpls.c | |
parent | a6836add6eafd2d06f4eeb7200e8217ba3399c1b (diff) | |
download | FreeBSD-src-1166f90fe87cef69f7923a1b8c386eecdc6cb92b.zip FreeBSD-src-1166f90fe87cef69f7923a1b8c386eecdc6cb92b.tar.gz |
Virgin import of tcpdump v3.9.1 (release) from tcpdump.org
Approved by: re (scottl)
Diffstat (limited to 'contrib/tcpdump/print-mpls.c')
-rw-r--r-- | contrib/tcpdump/print-mpls.c | 47 |
1 files changed, 28 insertions, 19 deletions
diff --git a/contrib/tcpdump/print-mpls.c b/contrib/tcpdump/print-mpls.c index 3cb3504..9d54567 100644 --- a/contrib/tcpdump/print-mpls.c +++ b/contrib/tcpdump/print-mpls.c @@ -28,7 +28,7 @@ #ifndef lint static const char rcsid[] _U_ = - "@(#) $Header: /tcpdump/master/tcpdump/print-mpls.c,v 1.13 2005/04/06 21:32:41 mcr Exp $ (LBL)"; + "@(#) $Header: /tcpdump/master/tcpdump/print-mpls.c,v 1.13.2.1 2005/07/05 09:39:29 hannes Exp $ (LBL)"; #endif #ifdef HAVE_CONFIG_H @@ -61,36 +61,45 @@ void mpls_print(const u_char *bp, u_int length) { const u_char *p; - u_int32_t v; + u_int32_t label_entry; + u_int16_t label_stack_depth = 0; p = bp; printf("MPLS"); do { - TCHECK2(*p, sizeof(v)); - v = EXTRACT_32BITS(p); - printf(" ("); /*)*/ - printf("label %u", MPLS_LABEL(v)); + TCHECK2(*p, sizeof(label_entry)); + label_entry = EXTRACT_32BITS(p); + printf("%s(label %u", + label_stack_depth ? "\n\t" : " ", + MPLS_LABEL(label_entry)); + label_stack_depth++; if (vflag && - MPLS_LABEL(v) < sizeof(mpls_labelname) / sizeof(mpls_labelname[0])) - printf(" (%s)", mpls_labelname[MPLS_LABEL(v)]); - printf(", exp %u", MPLS_EXP(v)); - if (MPLS_STACK(v)) + MPLS_LABEL(label_entry) < sizeof(mpls_labelname) / sizeof(mpls_labelname[0])) + printf(" (%s)", mpls_labelname[MPLS_LABEL(label_entry)]); + printf(", exp %u", MPLS_EXP(label_entry)); + if (MPLS_STACK(label_entry)) printf(", [S]"); - printf(", ttl %u", MPLS_TTL(v)); - /*(*/ - printf(")"); + printf(", ttl %u)", MPLS_TTL(label_entry)); - p += sizeof(v); - } while (!MPLS_STACK(v)); + p += sizeof(label_entry); + } while (!MPLS_STACK(label_entry)); - switch (MPLS_LABEL(v)) { + switch (MPLS_LABEL(label_entry)) { case 0: /* IPv4 explicit NULL label */ case 3: /* IPv4 implicit NULL label */ - ip_print(gndo, p, length - (p - bp)); + if (vflag>0) { + printf("\n\t"); + ip_print(gndo, p, length - (p - bp)); + } + else printf(", IP, length: %u",length); break; #ifdef INET6 case 2: /* IPv6 explicit NULL label */ - ip6_print(p, length - (p - bp)); + if (vflag>0) { + printf("\n\t"); + ip6_print(p, length - (p - bp)); + } + else printf(", IPv6, length: %u",length); break; #endif default: @@ -107,7 +116,7 @@ mpls_print(const u_char *bp, u_int length) * which cisco by default sends MPLS encapsulated */ - if (MPLS_STACK(v)) { /* only do this if the stack bit is set */ + if (MPLS_STACK(label_entry)) { /* only do this if the stack bit is set */ switch(*p) { case 0x45: case 0x46: |