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https://git.rtems.org/rtems-libbsd/
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8440506ee8
- Update the file builder generator to handle generator specific cflags and includes. The tcpdump and libpcap have localised headers and need specific headers paths to see them. There are also module specific flags and these need to be passed to the lex and yacc generators. - Add the tcpdump support.
54 lines
2.4 KiB
C
54 lines
2.4 KiB
C
/* @(#) $Header: /tcpdump/master/tcpdump/token.h,v 1.6 2002-12-11 07:14:12 guy Exp $ (LBL) */
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/*
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* Copyright (c) 1998, Larry Lile
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* All rights reserved.
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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 unmodified, this list of conditions, and the following
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* 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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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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* $FreeBSD$
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*/
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#define TOKEN_HDRLEN 14
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#define TOKEN_RING_MAC_LEN 6
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#define ROUTING_SEGMENT_MAX 16
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#define IS_SOURCE_ROUTED(trp) ((trp)->token_shost[0] & 0x80)
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#define FRAME_TYPE(trp) (((trp)->token_fc & 0xC0) >> 6)
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#define TOKEN_FC_LLC 1
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#define BROADCAST(trp) ((EXTRACT_16BITS(&(trp)->token_rcf) & 0xE000) >> 13)
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#define RIF_LENGTH(trp) ((EXTRACT_16BITS(&(trp)->token_rcf) & 0x1f00) >> 8)
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#define DIRECTION(trp) ((EXTRACT_16BITS(&(trp)->token_rcf) & 0x0080) >> 7)
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#define LARGEST_FRAME(trp) ((EXTRACT_16BITS(&(trp)->token_rcf) & 0x0070) >> 4)
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#define RING_NUMBER(trp, x) ((EXTRACT_16BITS(&(trp)->token_rseg[x]) & 0xfff0) >> 4)
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#define BRIDGE_NUMBER(trp, x) ((EXTRACT_16BITS(&(trp)->token_rseg[x]) & 0x000f))
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#define SEGMENT_COUNT(trp) ((int)((RIF_LENGTH(trp) - 2) / 2))
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struct token_header {
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u_int8_t token_ac;
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u_int8_t token_fc;
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u_int8_t token_dhost[TOKEN_RING_MAC_LEN];
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u_int8_t token_shost[TOKEN_RING_MAC_LEN];
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u_int16_t token_rcf;
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u_int16_t token_rseg[ROUTING_SEGMENT_MAX];
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};
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