projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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> | |
| 113aa838 | 12 | * Alan Cox, <alan@lxorguk.ukuu.org.uk> |
| 1da177e4 LT |
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 | ||
| b06e9369 | 25 | #include <linux/types.h> |
| 1da177e4 LT |
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 | ||
| 54 | struct hipnet_statistics | |
| 55 | { | |
| 56 | int rx_packets; /* total packets received */ | |
| 57 | int tx_packets; /* total packets transmitted */ | |
| 58 | int rx_errors; /* bad packets received */ | |
| 59 | int tx_errors; /* packet transmit problems */ | |
| 60 | int rx_dropped; /* no space in linux buffers */ | |
| 61 | int tx_dropped; /* no space available in linux */ | |
| 62 | ||
| 63 | /* detailed rx_errors: */ | |
| 64 | int rx_length_errors; | |
| 65 | int rx_over_errors; /* receiver ring buff overflow */ | |
| 66 | int rx_crc_errors; /* recved pkt with crc error */ | |
| 67 | int rx_frame_errors; /* recv'd frame alignment error */ | |
| 68 | int rx_fifo_errors; /* recv'r fifo overrun */ | |
| 69 | int rx_missed_errors; /* receiver missed packet */ | |
| 70 | ||
| 71 | /* detailed tx_errors */ | |
| 72 | int tx_aborted_errors; | |
| 73 | int tx_carrier_errors; | |
| 74 | int tx_fifo_errors; | |
| 75 | int tx_heartbeat_errors; | |
| 76 | int tx_window_errors; | |
| 77 | }; | |
| 78 | ||
| 79 | ||
| 80 | struct hippi_fp_hdr | |
| 81 | { | |
| 82 | #if 0 | |
| 83 | __u8 ulp; /* must contain 4 */ | |
| 84 | #if defined (__BIG_ENDIAN_BITFIELD) | |
| 85 | __u8 d1_data_present:1; /* must be 1 */ | |
| 86 | __u8 start_d2_burst_boundary:1; /* must be zero */ | |
| 87 | __u8 reserved:6; /* must be zero */ | |
| 88 | #if 0 | |
| 89 | __u16 reserved1:5; | |
| 90 | __u16 d1_area_size:8; /* must be 3 */ | |
| 91 | __u16 d2_offset:3; /* must be zero */ | |
| 92 | #endif | |
| 93 | #elif defined(__LITTLE_ENDIAN_BITFIELD) | |
| 94 | __u8 reserved:6; /* must be zero */ | |
| 95 | __u8 start_d2_burst_boundary:1; /* must be zero */ | |
| 96 | __u8 d1_data_present:1; /* must be 1 */ | |
| 97 | #if 0 | |
| 98 | __u16 d2_offset:3; /* must be zero */ | |
| 99 | __u16 d1_area_size:8; /* must be 3 */ | |
| 100 | __u16 reserved1:5; /* must be zero */ | |
| 101 | #endif | |
| 102 | #else | |
| 103 | #error "Please fix <asm/byteorder.h>" | |
| 104 | #endif | |
| 105 | #else | |
| 57bf1451 | 106 | __be32 fixed; |
| 1da177e4 | 107 | #endif |
| 57bf1451 | 108 | __be32 d2_size; |
| 1da177e4 LT |
109 | } __attribute__ ((packed)); |
| 110 | ||
| 111 | struct hippi_le_hdr | |
| 112 | { | |
| 113 | #if defined (__BIG_ENDIAN_BITFIELD) | |
| 114 | __u8 fc:3; | |
| 115 | __u8 double_wide:1; | |
| 116 | __u8 message_type:4; | |
| 117 | #elif defined(__LITTLE_ENDIAN_BITFIELD) | |
| 118 | __u8 message_type:4; | |
| 119 | __u8 double_wide:1; | |
| 120 | __u8 fc:3; | |
| 121 | #endif | |
| 122 | __u8 dest_switch_addr[3]; | |
| 123 | #if defined (__BIG_ENDIAN_BITFIELD) | |
| 124 | __u8 dest_addr_type:4, | |
| 125 | src_addr_type:4; | |
| 126 | #elif defined(__LITTLE_ENDIAN_BITFIELD) | |
| 127 | __u8 src_addr_type:4, | |
| 128 | dest_addr_type:4; | |
| 129 | #endif | |
| 130 | __u8 src_switch_addr[3]; | |
| 131 | __u16 reserved; | |
| 132 | __u8 daddr[HIPPI_ALEN]; | |
| 133 | __u16 locally_administered; | |
| 134 | __u8 saddr[HIPPI_ALEN]; | |
| 135 | } __attribute__ ((packed)); | |
| 136 | ||
| 137 | #define HIPPI_OUI_LEN 3 | |
| 138 | /* | |
| 139 | * Looks like the dsap and ssap fields have been swapped by mistake in | |
| 140 | * RFC 2067 "IP over HIPPI". | |
| 141 | */ | |
| 142 | struct hippi_snap_hdr | |
| 143 | { | |
| 144 | __u8 dsap; /* always 0xAA */ | |
| 145 | __u8 ssap; /* always 0xAA */ | |
| 146 | __u8 ctrl; /* always 0x03 */ | |
| 147 | __u8 oui[HIPPI_OUI_LEN]; /* organizational universal id (zero)*/ | |
| 57bf1451 | 148 | __be16 ethertype; /* packet type ID field */ |
| 1da177e4 LT |
149 | } __attribute__ ((packed)); |
| 150 | ||
| 151 | struct hippi_hdr | |
| 152 | { | |
| 153 | struct hippi_fp_hdr fp; | |
| 154 | struct hippi_le_hdr le; | |
| 155 | struct hippi_snap_hdr snap; | |
| 156 | } __attribute__ ((packed)); | |
| 157 | ||
| 158 | #endif /* _LINUX_IF_HIPPI_H */ |