Ethereal-dev: [ethereal-dev] ethereal 0.3.16 on FreeBSD-current shows funny characters...
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From: Andreas Klemm <andreas@xxxxxxxxxxxxx>
Date: Tue, 22 Sep 1998 00:01:06 +0200
Hi ! I'm unable to scan the traffic on the ISDN device /dev/isppp0. Ethernet works ... In the attachement bpf.h just for the case you need it and the file xxx which is from a scan of the ISDN interface (UUCP over IP). I have no idea what's going wrong when scanning the WAN interface. Thanks Andreas /// -- Andreas Klemm http://www.FreeBSD.ORG/~andreas What gives you 90% more speed, for example, in kernel compilation ? http://www.FreeBSD.ORG/~fsmp/SMP/akgraph-a/graph1.html "NT = Not Today" (Maggie Biggs) ``powered by FreeBSD SMP''
/* * Copyright (c) 1990, 1991, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from the Stanford/CMU enet packet filter, * (net/enet.c) distributed as part of 4.3BSD, and code contributed * to Berkeley by Steven McCanne and Van Jacobson both of Lawrence * Berkeley Laboratory. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)bpf.h 8.1 (Berkeley) 6/10/93 * @(#)bpf.h 1.34 (LBL) 6/16/96 * * $Id: bpf.h,v 1.15 1998/09/15 19:35:37 fenner Exp $ */ #ifndef _NET_BPF_H_ #define _NET_BPF_H_ /* BSD style release date */ #define BPF_RELEASE 199606 typedef int32_t bpf_int32; typedef u_int32_t bpf_u_int32; /* * Alignment macros. BPF_WORDALIGN rounds up to the next * even multiple of BPF_ALIGNMENT. */ #define BPF_ALIGNMENT sizeof(bpf_int32) #define BPF_WORDALIGN(x) (((x)+(BPF_ALIGNMENT-1))&~(BPF_ALIGNMENT-1)) #define BPF_MAXINSNS 512 #define BPF_MAXBUFSIZE 0x8000 #define BPF_MINBUFSIZE 32 /* * Structure for BIOCSETF. */ struct bpf_program { u_int bf_len; struct bpf_insn *bf_insns; }; /* * Struct returned by BIOCGSTATS. */ struct bpf_stat { u_int bs_recv; /* number of packets received */ u_int bs_drop; /* number of packets dropped */ }; /* * Struct return by BIOCVERSION. This represents the version number of * the filter language described by the instruction encodings below. * bpf understands a program iff kernel_major == filter_major && * kernel_minor >= filter_minor, that is, if the value returned by the * running kernel has the same major number and a minor number equal * equal to or less than the filter being downloaded. Otherwise, the * results are undefined, meaning an error may be returned or packets * may be accepted haphazardly. * It has nothing to do with the source code version. */ struct bpf_version { u_short bv_major; u_short bv_minor; }; /* Current version number of filter architecture. */ #define BPF_MAJOR_VERSION 1 #define BPF_MINOR_VERSION 1 #define BIOCGBLEN _IOR('B',102, u_int) #define BIOCSBLEN _IOWR('B',102, u_int) #define BIOCSETF _IOW('B',103, struct bpf_program) #define BIOCFLUSH _IO('B',104) #define BIOCPROMISC _IO('B',105) #define BIOCGDLT _IOR('B',106, u_int) #define BIOCGETIF _IOR('B',107, struct ifreq) #define BIOCSETIF _IOW('B',108, struct ifreq) #define BIOCSRTIMEOUT _IOW('B',109, struct timeval) #define BIOCGRTIMEOUT _IOR('B',110, struct timeval) #define BIOCGSTATS _IOR('B',111, struct bpf_stat) #define BIOCIMMEDIATE _IOW('B',112, u_int) #define BIOCVERSION _IOR('B',113, struct bpf_version) #define BIOCGRSIG _IOR('B',114, u_int) #define BIOCSRSIG _IOW('B',115, u_int) /* * Structure prepended to each packet. */ struct bpf_hdr { struct timeval bh_tstamp; /* time stamp */ bpf_u_int32 bh_caplen; /* length of captured portion */ bpf_u_int32 bh_datalen; /* original length of packet */ u_short bh_hdrlen; /* length of bpf header (this struct plus alignment padding) */ }; /* * Because the structure above is not a multiple of 4 bytes, some compilers * will insist on inserting padding; hence, sizeof(struct bpf_hdr) won't work. * Only the kernel needs to know about it; applications use bh_hdrlen. */ #ifdef KERNEL #define SIZEOF_BPF_HDR (sizeof(struct bpf_hdr) <= 20 ? 18 : \ sizeof(struct bpf_hdr)) #endif /* * Data-link level type codes. */ #define DLT_NULL 0 /* no link-layer encapsulation */ #define DLT_EN10MB 1 /* Ethernet (10Mb) */ #define DLT_EN3MB 2 /* Experimental Ethernet (3Mb) */ #define DLT_AX25 3 /* Amateur Radio AX.25 */ #define DLT_PRONET 4 /* Proteon ProNET Token Ring */ #define DLT_CHAOS 5 /* Chaos */ #define DLT_IEEE802 6 /* IEEE 802 Networks */ #define DLT_ARCNET 7 /* ARCNET */ #define DLT_SLIP 8 /* Serial Line IP */ #define DLT_PPP 9 /* Point-to-point Protocol */ #define DLT_FDDI 10 /* FDDI */ #define DLT_ATM_RFC1483 11 /* LLC/SNAP encapsulated atm */ #define DLT_RAW 12 /* raw IP */ #define DLT_SLIP_BSDOS 13 /* BSD/OS Serial Line IP */ #define DLT_PPP_BSDOS 14 /* BSD/OS Point-to-point Protocol */ /* * The instruction encodings. */ /* instruction classes */ #define BPF_CLASS(code) ((code) & 0x07) #define BPF_LD 0x00 #define BPF_LDX 0x01 #define BPF_ST 0x02 #define BPF_STX 0x03 #define BPF_ALU 0x04 #define BPF_JMP 0x05 #define BPF_RET 0x06 #define BPF_MISC 0x07 /* ld/ldx fields */ #define BPF_SIZE(code) ((code) & 0x18) #define BPF_W 0x00 #define BPF_H 0x08 #define BPF_B 0x10 #define BPF_MODE(code) ((code) & 0xe0) #define BPF_IMM 0x00 #define BPF_ABS 0x20 #define BPF_IND 0x40 #define BPF_MEM 0x60 #define BPF_LEN 0x80 #define BPF_MSH 0xa0 /* alu/jmp fields */ #define BPF_OP(code) ((code) & 0xf0) #define BPF_ADD 0x00 #define BPF_SUB 0x10 #define BPF_MUL 0x20 #define BPF_DIV 0x30 #define BPF_OR 0x40 #define BPF_AND 0x50 #define BPF_LSH 0x60 #define BPF_RSH 0x70 #define BPF_NEG 0x80 #define BPF_JA 0x00 #define BPF_JEQ 0x10 #define BPF_JGT 0x20 #define BPF_JGE 0x30 #define BPF_JSET 0x40 #define BPF_SRC(code) ((code) & 0x08) #define BPF_K 0x00 #define BPF_X 0x08 /* ret - BPF_K and BPF_X also apply */ #define BPF_RVAL(code) ((code) & 0x18) #define BPF_A 0x10 /* misc */ #define BPF_MISCOP(code) ((code) & 0xf8) #define BPF_TAX 0x00 #define BPF_TXA 0x80 /* * The instruction data structure. */ struct bpf_insn { u_short code; u_char jt; u_char jf; bpf_u_int32 k; }; /* * Macros for insn array initializers. */ #define BPF_STMT(code, k) { (u_short)(code), 0, 0, k } #define BPF_JUMP(code, k, jt, jf) { (u_short)(code), jt, jf, k } #ifdef KERNEL int bpf_validate __P((struct bpf_insn *, int)); void bpf_tap __P((struct ifnet *, u_char *, u_int)); void bpf_mtap __P((struct ifnet *, struct mbuf *)); void bpfattach __P((struct ifnet *, u_int, u_int)); void bpfilterattach __P((int)); u_int bpf_filter __P((struct bpf_insn *, u_char *, u_int, u_int)); #endif /* * Number of scratch memory words (for BPF_LD|BPF_MEM and BPF_ST). */ #define BPF_MEMWORDS 16 #endif
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