diff options
Diffstat (limited to 'usr.sbin/tcpdump/print-sl.c')
| -rw-r--r-- | usr.sbin/tcpdump/print-sl.c | 49 |
1 files changed, 14 insertions, 35 deletions
diff --git a/usr.sbin/tcpdump/print-sl.c b/usr.sbin/tcpdump/print-sl.c index 366ede2336e..9a49b03e8fb 100644 --- a/usr.sbin/tcpdump/print-sl.c +++ b/usr.sbin/tcpdump/print-sl.c @@ -1,4 +1,4 @@ -/* $OpenBSD: print-sl.c,v 1.19 2015/11/16 00:16:39 mmcc Exp $ */ +/* $OpenBSD: print-sl.c,v 1.20 2017/10/30 10:07:44 mpi Exp $ */ /* * Copyright (c) 1989, 1990, 1991, 1993, 1994, 1995, 1996, 1997 @@ -21,7 +21,6 @@ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ -#ifdef HAVE_NET_SLIP_H #include <sys/time.h> #include <sys/file.h> #include <sys/ioctl.h> @@ -37,7 +36,6 @@ struct rtentry; #include <netinet/tcp.h> #include <net/slcompress.h> -#include <net/slip.h> #include <ctype.h> #include <netdb.h> @@ -55,13 +53,19 @@ static u_int lastconn = 255; static void sliplink_print(const u_char *, const struct ip *, u_int); static void compressed_sl_print(const u_char *, const struct ip *, u_int, int); -/* XXX BSD/OS 2.1 compatibility */ -#if !defined(SLIP_HDRLEN) && defined(SLC_BPFHDR) -#define SLIP_HDRLEN SLC_BPFHDR -#define SLX_DIR 0 -#define SLX_CHDR (SLC_BPFHDRLEN - 1) -#define CHDR_LEN (SLC_BPFHDR - SLC_BPFHDRLEN) -#endif +/* + * Definitions of the pseudo-link-level header attached to slip + * packets grabbed by the packet filter (bpf) traffic monitor. + */ +#define SLIP_HDRLEN 16 /* BPF SLIP header length */ + +/* Offsets into BPF SLIP header. */ +#define SLX_DIR 0 /* direction; see below */ +#define SLX_CHDR 1 /* compressed header data */ +#define CHDR_LEN 15 /* length of compressed header data */ + +#define SLIPDIR_IN 0 /* incoming */ +#define SLIPDIR_OUT 1 /* outgoing */ /* XXX needs more hacking to work right */ @@ -278,28 +282,3 @@ compressed_sl_print(const u_char *chdr, const struct ip *ip, lastlen[dir][lastconn] = length - (hlen << 2); printf(" %d (%d)", lastlen[dir][lastconn], (int)(cp - chdr)); } -#else -#include <sys/types.h> -#include <sys/time.h> - -#include <pcap.h> -#include <stdio.h> - -#include "interface.h" - -void -sl_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p) -{ - - error("not configured for slip"); - /* NOTREACHED */ -} - -void -sl_bsdos_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p) -{ - - error("not configured for slip"); - /* NOTREACHED */ -} -#endif |