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yuezonghe824eb0c2024-06-27 02:32:26 -07001/* 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 */