diff options
author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-10-10 12:55:06 +0200 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-10-11 09:29:33 +0200 |
commit | 104304864887f0e3765bb28333dc7b9bd991aa4f (patch) | |
tree | c1472d363822507fba1cebca8fb18f611accd51b /freebsd/contrib/tcpdump/print-igrp.c | |
parent | Update CONTRIBUTING.md (diff) | |
download | rtems-libbsd-104304864887f0e3765bb28333dc7b9bd991aa4f.tar.bz2 |
tcpdump: Update to FreeBSD head 2017-04-04
Update tcpdump from Git mirror commit
99a648a912e81e29d9c4c159cbbe263462f2d719 to
642b174daddbd0efd9bb5f242c43f4ab4db6869f.
Diffstat (limited to 'freebsd/contrib/tcpdump/print-igrp.c')
-rw-r--r-- | freebsd/contrib/tcpdump/print-igrp.c | 111 |
1 files changed, 71 insertions, 40 deletions
diff --git a/freebsd/contrib/tcpdump/print-igrp.c b/freebsd/contrib/tcpdump/print-igrp.c index 77c63283..7e248238 100644 --- a/freebsd/contrib/tcpdump/print-igrp.c +++ b/freebsd/contrib/tcpdump/print-igrp.c @@ -1,5 +1,8 @@ #include <machine/rtems-bsd-user-space.h> - +#ifdef __rtems__ +#include <machine/rtems-bsd-program.h> +#include "rtems-bsd-tcpdump-namespace.h" +#endif /* __rtems__ */ /* * Copyright (c) 1996, 1997 * The Regents of the University of California. All rights reserved. @@ -23,41 +26,66 @@ * Initial contribution from Francis Dupont (francis.dupont@inria.fr) */ -#ifndef lint -static const char rcsid[] _U_ = - "@(#) $Header: /tcpdump/master/tcpdump/print-igrp.c,v 1.21 2005-04-20 21:01:56 guy Exp $ (LBL)"; -#endif +/* \summary: Interior Gateway Routing Protocol (IGRP) printer */ #ifdef HAVE_CONFIG_H #include "config.h" #endif -#include <tcpdump-stdinc.h> +#include <netdissect-stdinc.h> + +#include "netdissect.h" +#include "extract.h" + +/* Cisco IGRP definitions */ + +/* IGRP Header */ -#include <stdio.h> +struct igrphdr { + uint8_t ig_vop; /* protocol version number / opcode */ +#define IGRP_V(x) (((x) & 0xf0) >> 4) +#define IGRP_OP(x) ((x) & 0x0f) + uint8_t ig_ed; /* edition number */ + uint16_t ig_as; /* autonomous system number */ + uint16_t ig_ni; /* number of subnet in local net */ + uint16_t ig_ns; /* number of networks in AS */ + uint16_t ig_nx; /* number of networks ouside AS */ + uint16_t ig_sum; /* checksum of IGRP header & data */ +}; + +#define IGRP_UPDATE 1 +#define IGRP_REQUEST 2 + +/* IGRP routing entry */ + +struct igrprte { + uint8_t igr_net[3]; /* 3 significant octets of IP address */ + uint8_t igr_dly[3]; /* delay in tens of microseconds */ + uint8_t igr_bw[3]; /* bandwidth in units of 1 kb/s */ + uint8_t igr_mtu[2]; /* MTU in octets */ + uint8_t igr_rel; /* percent packets successfully tx/rx */ + uint8_t igr_ld; /* percent of channel occupied */ + uint8_t igr_hct; /* hop count */ +}; -#include "interface.h" -#include "addrtoname.h" -#include "igrp.h" -#include "ip.h" -#include "extract.h" /* must come after interface.h */ +#define IGRP_RTE_SIZE 14 /* don't believe sizeof ! */ static void -igrp_entry_print(register struct igrprte *igr, register int is_interior, - register int is_exterior) +igrp_entry_print(netdissect_options *ndo, register const struct igrprte *igr, + register int is_interior, register int is_exterior) { register u_int delay, bandwidth; u_int metric, mtu; if (is_interior) - printf(" *.%d.%d.%d", igr->igr_net[0], - igr->igr_net[1], igr->igr_net[2]); + ND_PRINT((ndo, " *.%d.%d.%d", igr->igr_net[0], + igr->igr_net[1], igr->igr_net[2])); else if (is_exterior) - printf(" X%d.%d.%d.0", igr->igr_net[0], - igr->igr_net[1], igr->igr_net[2]); + ND_PRINT((ndo, " X%d.%d.%d.0", igr->igr_net[0], + igr->igr_net[1], igr->igr_net[2])); else - printf(" %d.%d.%d.0", igr->igr_net[0], - igr->igr_net[1], igr->igr_net[2]); + ND_PRINT((ndo, " %d.%d.%d.0", igr->igr_net[0], + igr->igr_net[1], igr->igr_net[2])); delay = EXTRACT_24BITS(igr->igr_dly); bandwidth = EXTRACT_24BITS(igr->igr_bw); @@ -66,60 +94,60 @@ igrp_entry_print(register struct igrprte *igr, register int is_interior, metric = 0xffffff; mtu = EXTRACT_16BITS(igr->igr_mtu); - printf(" d=%d b=%d r=%d l=%d M=%d mtu=%d in %d hops", + ND_PRINT((ndo, " d=%d b=%d r=%d l=%d M=%d mtu=%d in %d hops", 10 * delay, bandwidth == 0 ? 0 : 10000000 / bandwidth, igr->igr_rel, igr->igr_ld, metric, - mtu, igr->igr_hct); + mtu, igr->igr_hct)); } -static struct tok op2str[] = { +static const struct tok op2str[] = { { IGRP_UPDATE, "update" }, { IGRP_REQUEST, "request" }, { 0, NULL } }; void -igrp_print(register const u_char *bp, u_int length, const u_char *bp2 _U_) +igrp_print(netdissect_options *ndo, register const u_char *bp, u_int length) { - register struct igrphdr *hdr; - register u_char *cp; + register const struct igrphdr *hdr; + register const u_char *cp; u_int nint, nsys, next; - hdr = (struct igrphdr *)bp; - cp = (u_char *)(hdr + 1); - (void)printf("igrp:"); + hdr = (const struct igrphdr *)bp; + cp = (const u_char *)(hdr + 1); + ND_PRINT((ndo, "igrp:")); /* Header */ - TCHECK(*hdr); + ND_TCHECK(*hdr); nint = EXTRACT_16BITS(&hdr->ig_ni); nsys = EXTRACT_16BITS(&hdr->ig_ns); next = EXTRACT_16BITS(&hdr->ig_nx); - (void)printf(" %s V%d edit=%d AS=%d (%d/%d/%d)", + ND_PRINT((ndo, " %s V%d edit=%d AS=%d (%d/%d/%d)", tok2str(op2str, "op-#%d", IGRP_OP(hdr->ig_vop)), IGRP_V(hdr->ig_vop), hdr->ig_ed, EXTRACT_16BITS(&hdr->ig_as), nint, nsys, - next); + next)); length -= sizeof(*hdr); while (length >= IGRP_RTE_SIZE) { if (nint > 0) { - TCHECK2(*cp, IGRP_RTE_SIZE); - igrp_entry_print((struct igrprte *)cp, 1, 0); + ND_TCHECK2(*cp, IGRP_RTE_SIZE); + igrp_entry_print(ndo, (const struct igrprte *)cp, 1, 0); --nint; } else if (nsys > 0) { - TCHECK2(*cp, IGRP_RTE_SIZE); - igrp_entry_print((struct igrprte *)cp, 0, 0); + ND_TCHECK2(*cp, IGRP_RTE_SIZE); + igrp_entry_print(ndo, (const struct igrprte *)cp, 0, 0); --nsys; } else if (next > 0) { - TCHECK2(*cp, IGRP_RTE_SIZE); - igrp_entry_print((struct igrprte *)cp, 0, 1); + ND_TCHECK2(*cp, IGRP_RTE_SIZE); + igrp_entry_print(ndo, (const struct igrprte *)cp, 0, 1); --next; } else { - (void)printf(" [extra bytes %d]", length); + ND_PRINT((ndo, " [extra bytes %d]", length)); break; } cp += IGRP_RTE_SIZE; @@ -128,5 +156,8 @@ igrp_print(register const u_char *bp, u_int length, const u_char *bp2 _U_) if (nint == 0 && nsys == 0 && next == 0) return; trunc: - fputs(" [|igrp]", stdout); + ND_PRINT((ndo, " [|igrp]")); } +#ifdef __rtems__ +#include "rtems-bsd-tcpdump-print-igrp-data.h" +#endif /* __rtems__ */ |