1/* Copyright (C) 1997, 2005 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, write to the Free 16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 17 02111-1307 USA. */ 18 19#ifndef _NETINET_IF_TR_H 20#define _NETINET_IF_TR_H 1 21 22#include <sys/cdefs.h> 23#include <sys/types.h> 24 25/* IEEE 802.5 Token-Ring magic constants. The frame sizes omit the preamble 26 and FCS/CRC (frame check sequence). */ 27#define TR_ALEN 6 /* Octets in one token-ring addr */ 28#define TR_HLEN (sizeof (struct trh_hdr) + sizeof (struct trllc)) 29#define AC 0x10 30#define LLC_FRAME 0x40 31 32/* LLC and SNAP constants */ 33#define EXTENDED_SAP 0xAA 34#define UI_CMD 0x03 35 36/* This is an Token-Ring frame header. */ 37struct trh_hdr 38{ 39 u_int8_t ac; /* access control field */ 40 u_int8_t fc; /* frame control field */ 41 u_int8_t daddr[TR_ALEN]; /* destination address */ 42 u_int8_t saddr[TR_ALEN]; /* source address */ 43 u_int16_t rcf; /* route control field */ 44 u_int16_t rseg[8]; /* routing registers */ 45}; 46 47/* This is an Token-Ring LLC structure */ 48struct trllc 49{ 50 u_int8_t dsap; /* destination SAP */ 51 u_int8_t ssap; /* source SAP */ 52 u_int8_t llc; /* LLC control field */ 53 u_int8_t protid[3]; /* protocol id */ 54 u_int16_t ethertype; /* ether type field */ 55}; 56 57/* Token-Ring statistics collection data. */ 58struct tr_statistics 59{ 60 unsigned long rx_packets; /* total packets received */ 61 unsigned long tx_packets; /* total packets transmitted */ 62 unsigned long rx_bytes; /* total bytes received */ 63 unsigned long tx_bytes; /* total bytes transmitted */ 64 unsigned long rx_errors; /* bad packets received */ 65 unsigned long tx_errors; /* packet transmit problems */ 66 unsigned long rx_dropped; /* no space in linux buffers */ 67 unsigned long tx_dropped; /* no space available in linux */ 68 unsigned long multicast; /* multicast packets received */ 69 unsigned long transmit_collision; 70 71 /* detailed Token-Ring errors. See IBM Token-Ring Network 72 Architecture for more info */ 73 74 unsigned long line_errors; 75 unsigned long internal_errors; 76 unsigned long burst_errors; 77 unsigned long A_C_errors; 78 unsigned long abort_delimiters; 79 unsigned long lost_frames; 80 unsigned long recv_congest_count; 81 unsigned long frame_copied_errors; 82 unsigned long frequency_errors; 83 unsigned long token_errors; 84 unsigned long dummy1; 85}; 86 87/* source routing stuff */ 88#define TR_RII 0x80 89#define TR_RCF_DIR_BIT 0x80 90#define TR_RCF_LEN_MASK 0x1f00 91#define TR_RCF_BROADCAST 0x8000 /* all-routes broadcast */ 92#define TR_RCF_LIMITED_BROADCAST 0xC000 /* single-route broadcast */ 93#define TR_RCF_FRAME2K 0x20 94#define TR_RCF_BROADCAST_MASK 0xC000 95#define TR_MAXRIFLEN 18 96 97#ifdef __USE_BSD 98 99struct trn_hdr 100{ 101 u_int8_t trn_ac; /* access control field */ 102 u_int8_t trn_fc; /* field control field */ 103 u_int8_t trn_dhost[TR_ALEN]; /* destination host */ 104 u_int8_t trn_shost[TR_ALEN]; /* source host */ 105 u_int16_t trn_rcf; /* route control field */ 106 u_int16_t trn_rseg[8]; /* routing registers */ 107}; 108 109#endif 110 111#endif /* netinet/if_tr.h */ 112