+++ /dev/null
-/*-
- * Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
- * 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 7.1 (Berkeley) 5/7/91
- *
- * @(#) $Header: /usr/local/cvs/linux/tools/build/e100boot/libpcap-0.4/bpf/net/bpf.h,v 1.1 1999/08/26 10:07:57 johana Exp $ (LBL)
- */
-
-#ifndef BPF_MAJOR_VERSION
-
-/* BSD style release date */
-#define BPF_RELEASE 199606
-
-typedef int bpf_int32;
-typedef u_int 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
-
-/*
- * BPF ioctls
- *
- * The first set is for compatibility with Sun's pcc style
- * header files. If your using gcc, we assume that you
- * have run fixincludes so the latter set should work.
- */
-#if (defined(sun) || defined(ibm032)) && !defined(__GNUC__)
-#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 BIOCSTCPF _IOW(B,114, struct bpf_program)
-#define BIOCSUDPF _IOW(B,115, struct bpf_program)
-#else
-#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 BIOCSTCPF _IOW('B',114, struct bpf_program)
-#define BIOCSUDPF _IOW('B',115, struct bpf_program)
-#endif
-
-/*
- * 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 18
-#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 encondings.
- */
-/* 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_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
-extern u_int bpf_filter();
-extern void bpfattach();
-extern void bpf_tap();
-extern void bpf_mtap();
-#else
-#if __STDC__
-extern u_int bpf_filter(struct bpf_insn *, u_char *, u_int, u_int);
-#endif
-#endif
-
-/*
- * Number of scratch memory words (for BPF_LD|BPF_MEM and BPF_ST).
- */
-#define BPF_MEMWORDS 16
-
-#endif
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