1 /* Copyright (C) 1997, 2005 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
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.
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.
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
19 #ifndef _NETINET_IF_TR_H
20 #define _NETINET_IF_TR_H 1
22 #include <sys/cdefs.h>
23 #include <sys/types.h>
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))
30 #define LLC_FRAME 0x40
32 /* LLC and SNAP constants */
33 #define EXTENDED_SAP 0xAA
36 /* This is an Token-Ring frame header. */
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 */
47 /* This is an Token-Ring LLC structure */
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 */
57 /* Token-Ring statistics collection data. */
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
;
71 /* detailed Token-Ring errors. See IBM Token-Ring Network
72 Architecture for more info */
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
;
87 /* source routing stuff */
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
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 */
111 #endif /* netinet/if_tr.h */