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Diffstat (limited to 'include/uapi/linux/if_hippi.h')
-rw-r--r--include/uapi/linux/if_hippi.h153
1 files changed, 153 insertions, 0 deletions
diff --git a/include/uapi/linux/if_hippi.h b/include/uapi/linux/if_hippi.h
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index 000000000000..cdc049f1829a
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+++ b/include/uapi/linux/if_hippi.h
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1/*
2 * INET An implementation of the TCP/IP protocol suite for the LINUX
3 * operating system. INET is implemented using the BSD Socket
4 * interface as the means of communication with the user level.
5 *
6 * Global definitions for the HIPPI interface.
7 *
8 * Version: @(#)if_hippi.h 1.0.0 05/26/97
9 *
10 * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
11 * Donald Becker, <becker@super.org>
12 * Alan Cox, <alan@lxorguk.ukuu.org.uk>
13 * Steve Whitehouse, <gw7rrm@eeshack3.swan.ac.uk>
14 * Jes Sorensen, <Jes.Sorensen@cern.ch>
15 *
16 * This program is free software; you can redistribute it and/or
17 * modify it under the terms of the GNU General Public License
18 * as published by the Free Software Foundation; either version
19 * 2 of the License, or (at your option) any later version.
20 */
21
22#ifndef _LINUX_IF_HIPPI_H
23#define _LINUX_IF_HIPPI_H
24
25#include <linux/types.h>
26#include <asm/byteorder.h>
27
28/*
29 * HIPPI magic constants.
30 */
31
32#define HIPPI_ALEN 6 /* Bytes in one HIPPI hw-addr */
33#define HIPPI_HLEN sizeof(struct hippi_hdr)
34#define HIPPI_ZLEN 0 /* Min. bytes in frame without FCS */
35#define HIPPI_DATA_LEN 65280 /* Max. bytes in payload */
36#define HIPPI_FRAME_LEN (HIPPI_DATA_LEN + HIPPI_HLEN)
37 /* Max. bytes in frame without FCS */
38
39/*
40 * Define LLC and SNAP constants.
41 */
42#define HIPPI_EXTENDED_SAP 0xAA
43#define HIPPI_UI_CMD 0x03
44
45
46/*
47 * Do we need to list some sort of ID's here?
48 */
49
50/*
51 * HIPPI statistics collection data.
52 */
53
54struct hipnet_statistics {
55 int rx_packets; /* total packets received */
56 int tx_packets; /* total packets transmitted */
57 int rx_errors; /* bad packets received */
58 int tx_errors; /* packet transmit problems */
59 int rx_dropped; /* no space in linux buffers */
60 int tx_dropped; /* no space available in linux */
61
62 /* detailed rx_errors: */
63 int rx_length_errors;
64 int rx_over_errors; /* receiver ring buff overflow */
65 int rx_crc_errors; /* recved pkt with crc error */
66 int rx_frame_errors; /* recv'd frame alignment error */
67 int rx_fifo_errors; /* recv'r fifo overrun */
68 int rx_missed_errors; /* receiver missed packet */
69
70 /* detailed tx_errors */
71 int tx_aborted_errors;
72 int tx_carrier_errors;
73 int tx_fifo_errors;
74 int tx_heartbeat_errors;
75 int tx_window_errors;
76};
77
78
79struct hippi_fp_hdr {
80#if 0
81 __u8 ulp; /* must contain 4 */
82#if defined (__BIG_ENDIAN_BITFIELD)
83 __u8 d1_data_present:1; /* must be 1 */
84 __u8 start_d2_burst_boundary:1; /* must be zero */
85 __u8 reserved:6; /* must be zero */
86#if 0
87 __u16 reserved1:5;
88 __u16 d1_area_size:8; /* must be 3 */
89 __u16 d2_offset:3; /* must be zero */
90#endif
91#elif defined(__LITTLE_ENDIAN_BITFIELD)
92 __u8 reserved:6; /* must be zero */
93 __u8 start_d2_burst_boundary:1; /* must be zero */
94 __u8 d1_data_present:1; /* must be 1 */
95#if 0
96 __u16 d2_offset:3; /* must be zero */
97 __u16 d1_area_size:8; /* must be 3 */
98 __u16 reserved1:5; /* must be zero */
99#endif
100#else
101#error "Please fix <asm/byteorder.h>"
102#endif
103#else
104 __be32 fixed;
105#endif
106 __be32 d2_size;
107} __attribute__((packed));
108
109struct hippi_le_hdr {
110#if defined (__BIG_ENDIAN_BITFIELD)
111 __u8 fc:3;
112 __u8 double_wide:1;
113 __u8 message_type:4;
114#elif defined(__LITTLE_ENDIAN_BITFIELD)
115 __u8 message_type:4;
116 __u8 double_wide:1;
117 __u8 fc:3;
118#endif
119 __u8 dest_switch_addr[3];
120#if defined (__BIG_ENDIAN_BITFIELD)
121 __u8 dest_addr_type:4,
122 src_addr_type:4;
123#elif defined(__LITTLE_ENDIAN_BITFIELD)
124 __u8 src_addr_type:4,
125 dest_addr_type:4;
126#endif
127 __u8 src_switch_addr[3];
128 __u16 reserved;
129 __u8 daddr[HIPPI_ALEN];
130 __u16 locally_administered;
131 __u8 saddr[HIPPI_ALEN];
132} __attribute__((packed));
133
134#define HIPPI_OUI_LEN 3
135/*
136 * Looks like the dsap and ssap fields have been swapped by mistake in
137 * RFC 2067 "IP over HIPPI".
138 */
139struct hippi_snap_hdr {
140 __u8 dsap; /* always 0xAA */
141 __u8 ssap; /* always 0xAA */
142 __u8 ctrl; /* always 0x03 */
143 __u8 oui[HIPPI_OUI_LEN]; /* organizational universal id (zero)*/
144 __be16 ethertype; /* packet type ID field */
145} __attribute__((packed));
146
147struct hippi_hdr {
148 struct hippi_fp_hdr fp;
149 struct hippi_le_hdr le;
150 struct hippi_snap_hdr snap;
151} __attribute__((packed));
152
153#endif /* _LINUX_IF_HIPPI_H */
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