90 lines
3.6 KiB
C
90 lines
3.6 KiB
C
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/*-
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* Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from the Stanford/CMU enet packet filter,
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* (net/enet.c) distributed as part of 4.3BSD, and code contributed
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* to Berkeley by Steven McCanne and Van Jacobson both of Lawrence
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* Berkeley Laboratory.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#) $Header: /tcpdump/master/libpcap/Attic/sll.h,v 1.1 2000-12-21 10:29:24 guy Exp $ (LBL)
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*/
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/*
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* For captures on Linux cooked sockets, we construct a fake header
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* that includes:
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*
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* a 2-byte "packet type" which is one of:
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*
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* LINUX_SLL_HOST packet was sent to us
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* LINUX_SLL_BROADCAST packet was broadcast
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* LINUX_SLL_MULTICAST packet was multicast
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* LINUX_SLL_OTHERHOST packet was sent to somebody else
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* LINUX_SLL_OUTGOING packet was sent *by* us;
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*
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* a 2-byte Ethernet protocol field;
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*
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* a 2-byte link-layer type;
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*
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* a 2-byte link-layer address length;
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*
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* an 8-byte link-layer address, whose actual length is specified
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* by the previous value.
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*
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* All fields except for the link-layer address are in network byte order.
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*/
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/*
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* A DLT_LINUX_SLL fake link-layer header.
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*/
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#define SLL_HDR_LEN 16 /* total header length */
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#define SLL_ADDRLEN 8 /* length of address field */
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struct sll_header {
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u_int16_t sll_pkttype; /* packet type */
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u_int16_t sll_protocol; /* protocol */
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u_int16_t sll_hatype; /* link-layer address type */
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u_int16_t sll_halen; /* link-layer address length */
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u_int8_t sll_addr[SLL_ADDRLEN]; /* link-layer address */
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};
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/*
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* The LINUX_SLL_ values; they are defined here so that they're available
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* even on systems other than Linux, but they should be given the same
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* values as the corresponding PACKET_ values on Linux. (Let's hope
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* those values never change.)
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*/
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#define LINUX_SLL_HOST 0
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#define LINUX_SLL_BROADCAST 1
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#define LINUX_SLL_MULTICAST 2
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#define LINUX_SLL_OTHERHOST 3
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#define LINUX_SLL_OUTGOING 4
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