sysdeps/unix/sysv/linux/netinet/if_tr.h

   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. */
  37 struct 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 */
  48 struct 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. */
  58 struct 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
  99 struct 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 */