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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 422 | giacomo | 1 | /* |
| 2 | * INET An implementation of the TCP/IP protocol suite for the LINUX |
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| 3 | * operating system. INET is implemented using the BSD Socket |
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| 4 | * interface as the means of communication with the user level. |
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| 5 | * |
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| 6 | * Global definitions for the HIPPI interface. |
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| 7 | * |
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| 8 | * Version: @(#)if_hippi.h 1.0.0 05/26/97 |
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| 9 | * |
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| 10 | * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> |
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| 11 | * Donald Becker, <becker@super.org> |
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| 12 | * Alan Cox, <alan@redhat.com> |
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| 13 | * Steve Whitehouse, <gw7rrm@eeshack3.swan.ac.uk> |
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| 14 | * Jes Sorensen, <Jes.Sorensen@cern.ch> |
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| 15 | * |
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| 16 | * This program is free software; you can redistribute it and/or |
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| 17 | * modify it under the terms of the GNU General Public License |
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| 18 | * as published by the Free Software Foundation; either version |
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| 19 | * 2 of the License, or (at your option) any later version. |
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| 20 | */ |
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| 21 | |||
| 22 | #ifndef _LINUX_IF_HIPPI_H |
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| 23 | #define _LINUX_IF_HIPPI_H |
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| 24 | |||
| 25 | #include <asm/byteorder.h> |
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| 26 | |||
| 27 | /* |
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| 28 | * HIPPI magic constants. |
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| 29 | */ |
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| 30 | |||
| 31 | #define HIPPI_ALEN 6 /* Bytes in one HIPPI hw-addr */ |
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| 32 | #define HIPPI_HLEN sizeof(struct hippi_hdr) |
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| 33 | #define HIPPI_ZLEN 0 /* Min. bytes in frame without FCS */ |
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| 34 | #define HIPPI_DATA_LEN 65280 /* Max. bytes in payload */ |
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| 35 | #define HIPPI_FRAME_LEN (HIPPI_DATA_LEN + HIPPI_HLEN) |
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| 36 | /* Max. bytes in frame without FCS */ |
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| 37 | |||
| 38 | /* |
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| 39 | * Define LLC and SNAP constants. |
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| 40 | */ |
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| 41 | #define HIPPI_EXTENDED_SAP 0xAA |
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| 42 | #define HIPPI_UI_CMD 0x03 |
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| 43 | |||
| 44 | |||
| 45 | /* |
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| 46 | * Do we need to list some sort of ID's here? |
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| 47 | */ |
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| 48 | |||
| 49 | /* |
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| 50 | * HIPPI statistics collection data. |
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| 51 | */ |
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| 52 | |||
| 53 | struct hipnet_statistics |
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| 54 | { |
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| 55 | int rx_packets; /* total packets received */ |
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| 56 | int tx_packets; /* total packets transmitted */ |
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| 57 | int rx_errors; /* bad packets received */ |
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| 58 | int tx_errors; /* packet transmit problems */ |
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| 59 | int rx_dropped; /* no space in linux buffers */ |
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| 60 | int tx_dropped; /* no space available in linux */ |
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| 61 | |||
| 62 | /* detailed rx_errors: */ |
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| 63 | int rx_length_errors; |
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| 64 | int rx_over_errors; /* receiver ring buff overflow */ |
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| 65 | int rx_crc_errors; /* recved pkt with crc error */ |
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| 66 | int rx_frame_errors; /* recv'd frame alignment error */ |
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| 67 | int rx_fifo_errors; /* recv'r fifo overrun */ |
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| 68 | int rx_missed_errors; /* receiver missed packet */ |
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| 69 | |||
| 70 | /* detailed tx_errors */ |
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| 71 | int tx_aborted_errors; |
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| 72 | int tx_carrier_errors; |
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| 73 | int tx_fifo_errors; |
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| 74 | int tx_heartbeat_errors; |
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| 75 | int tx_window_errors; |
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| 76 | }; |
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| 77 | |||
| 78 | |||
| 79 | struct hippi_fp_hdr |
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| 80 | { |
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| 81 | #if 0 |
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| 82 | __u8 ulp; /* must contain 4 */ |
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| 83 | #if defined (__BIG_ENDIAN_BITFIELD) |
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| 84 | __u8 d1_data_present:1; /* must be 1 */ |
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| 85 | __u8 start_d2_burst_boundary:1; /* must be zero */ |
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| 86 | __u8 reserved:6; /* must be zero */ |
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| 87 | #if 0 |
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| 88 | __u16 reserved1:5; |
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| 89 | __u16 d1_area_size:8; /* must be 3 */ |
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| 90 | __u16 d2_offset:3; /* must be zero */ |
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| 91 | #endif |
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| 92 | #elif defined(__LITTLE_ENDIAN_BITFIELD) |
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| 93 | __u8 reserved:6; /* must be zero */ |
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| 94 | __u8 start_d2_burst_boundary:1; /* must be zero */ |
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| 95 | __u8 d1_data_present:1; /* must be 1 */ |
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| 96 | #if 0 |
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| 97 | __u16 d2_offset:3; /* must be zero */ |
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| 98 | __u16 d1_area_size:8; /* must be 3 */ |
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| 99 | __u16 reserved1:5; /* must be zero */ |
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| 100 | #endif |
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| 101 | #else |
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| 102 | #error "Please fix <asm/byteorder.h>" |
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| 103 | #endif |
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| 104 | #else |
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| 105 | __u32 fixed; |
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| 106 | #endif |
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| 107 | __u32 d2_size; |
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| 108 | } __attribute__ ((packed)); |
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| 109 | |||
| 110 | struct hippi_le_hdr |
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| 111 | { |
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| 112 | #if defined (__BIG_ENDIAN_BITFIELD) |
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| 113 | __u8 fc:3; |
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| 114 | __u8 double_wide:1; |
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| 115 | __u8 message_type:4; |
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| 116 | #elif defined(__LITTLE_ENDIAN_BITFIELD) |
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| 117 | __u8 message_type:4; |
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| 118 | __u8 double_wide:1; |
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| 119 | __u8 fc:3; |
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| 120 | #endif |
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| 121 | __u8 dest_switch_addr[3]; |
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| 122 | #if defined (__BIG_ENDIAN_BITFIELD) |
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| 123 | __u8 dest_addr_type:4, |
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| 124 | src_addr_type:4; |
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| 125 | #elif defined(__LITTLE_ENDIAN_BITFIELD) |
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| 126 | __u8 src_addr_type:4, |
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| 127 | dest_addr_type:4; |
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| 128 | #endif |
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| 129 | __u8 src_switch_addr[3]; |
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| 130 | __u16 reserved; |
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| 131 | __u8 daddr[HIPPI_ALEN]; |
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| 132 | __u16 locally_administered; |
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| 133 | __u8 saddr[HIPPI_ALEN]; |
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| 134 | } __attribute__ ((packed)); |
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| 135 | |||
| 136 | #define HIPPI_OUI_LEN 3 |
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| 137 | /* |
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| 138 | * Looks like the dsap and ssap fields have been swapped by mistake in |
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| 139 | * RFC 2067 "IP over HIPPI". |
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| 140 | */ |
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| 141 | struct hippi_snap_hdr |
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| 142 | { |
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| 143 | __u8 dsap; /* always 0xAA */ |
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| 144 | __u8 ssap; /* always 0xAA */ |
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| 145 | __u8 ctrl; /* always 0x03 */ |
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| 146 | __u8 oui[HIPPI_OUI_LEN]; /* organizational universal id (zero)*/ |
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| 147 | __u16 ethertype; /* packet type ID field */ |
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| 148 | } __attribute__ ((packed)); |
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| 149 | |||
| 150 | struct hippi_hdr |
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| 151 | { |
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| 152 | struct hippi_fp_hdr fp; |
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| 153 | struct hippi_le_hdr le; |
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| 154 | struct hippi_snap_hdr snap; |
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| 155 | } __attribute__ ((packed)); |
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| 156 | |||
| 157 | #endif /* _LINUX_IF_HIPPI_H */ |