| /* | |
| * INET An implementation of the TCP/IP protocol suite for the LINUX | |
| * operating system. INET is implemented using the BSD Socket | |
| * interface as the means of communication with the user level. | |
| * | |
| * Global definitions for the HIPPI interface. | |
| * | |
| * Version: @(#)if_hippi.h 1.0.0 05/26/97 | |
| * | |
| * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> | |
| * Donald Becker, <becker@super.org> | |
| * Alan Cox, <alan@lxorguk.ukuu.org.uk> | |
| * Steve Whitehouse, <gw7rrm@eeshack3.swan.ac.uk> | |
| * Jes Sorensen, <Jes.Sorensen@cern.ch> | |
| * | |
| * This program is free software; you can redistribute it and/or | |
| * modify it under the terms of the GNU General Public License | |
| * as published by the Free Software Foundation; either version | |
| * 2 of the License, or (at your option) any later version. | |
| */ | |
| #ifndef _LINUX_IF_HIPPI_H | |
| #define _LINUX_IF_HIPPI_H | |
| #include <asm/byteorder.h> | |
| /* | |
| * HIPPI magic constants. | |
| */ | |
| #define HIPPI_ALEN 6 /* Bytes in one HIPPI hw-addr */ | |
| #define HIPPI_HLEN sizeof(struct hippi_hdr) | |
| #define HIPPI_ZLEN 0 /* Min. bytes in frame without FCS */ | |
| #define HIPPI_DATA_LEN 65280 /* Max. bytes in payload */ | |
| #define HIPPI_FRAME_LEN (HIPPI_DATA_LEN + HIPPI_HLEN) | |
| /* Max. bytes in frame without FCS */ | |
| /* | |
| * Define LLC and SNAP constants. | |
| */ | |
| #define HIPPI_EXTENDED_SAP 0xAA | |
| #define HIPPI_UI_CMD 0x03 | |
| /* | |
| * Do we need to list some sort of ID's here? | |
| */ | |
| /* | |
| * HIPPI statistics collection data. | |
| */ | |
| struct hipnet_statistics | |
| { | |
| int rx_packets; /* total packets received */ | |
| int tx_packets; /* total packets transmitted */ | |
| int rx_errors; /* bad packets received */ | |
| int tx_errors; /* packet transmit problems */ | |
| int rx_dropped; /* no space in linux buffers */ | |
| int tx_dropped; /* no space available in linux */ | |
| /* detailed rx_errors: */ | |
| int rx_length_errors; | |
| int rx_over_errors; /* receiver ring buff overflow */ | |
| int rx_crc_errors; /* recved pkt with crc error */ | |
| int rx_frame_errors; /* recv'd frame alignment error */ | |
| int rx_fifo_errors; /* recv'r fifo overrun */ | |
| int rx_missed_errors; /* receiver missed packet */ | |
| /* detailed tx_errors */ | |
| int tx_aborted_errors; | |
| int tx_carrier_errors; | |
| int tx_fifo_errors; | |
| int tx_heartbeat_errors; | |
| int tx_window_errors; | |
| }; | |
| struct hippi_fp_hdr | |
| { | |
| #if 0 | |
| __u8 ulp; /* must contain 4 */ | |
| #if defined (__BIG_ENDIAN_BITFIELD) | |
| __u8 d1_data_present:1; /* must be 1 */ | |
| __u8 start_d2_burst_boundary:1; /* must be zero */ | |
| __u8 reserved:6; /* must be zero */ | |
| #if 0 | |
| __u16 reserved1:5; | |
| __u16 d1_area_size:8; /* must be 3 */ | |
| __u16 d2_offset:3; /* must be zero */ | |
| #endif | |
| #elif defined(__LITTLE_ENDIAN_BITFIELD) | |
| __u8 reserved:6; /* must be zero */ | |
| __u8 start_d2_burst_boundary:1; /* must be zero */ | |
| __u8 d1_data_present:1; /* must be 1 */ | |
| #if 0 | |
| __u16 d2_offset:3; /* must be zero */ | |
| __u16 d1_area_size:8; /* must be 3 */ | |
| __u16 reserved1:5; /* must be zero */ | |
| #endif | |
| #else | |
| #error "Please fix <asm/byteorder.h>" | |
| #endif | |
| #else | |
| __be32 fixed; | |
| #endif | |
| __be32 d2_size; | |
| } __attribute__ ((packed)); | |
| struct hippi_le_hdr | |
| { | |
| #if defined (__BIG_ENDIAN_BITFIELD) | |
| __u8 fc:3; | |
| __u8 double_wide:1; | |
| __u8 message_type:4; | |
| #elif defined(__LITTLE_ENDIAN_BITFIELD) | |
| __u8 message_type:4; | |
| __u8 double_wide:1; | |
| __u8 fc:3; | |
| #endif | |
| __u8 dest_switch_addr[3]; | |
| #if defined (__BIG_ENDIAN_BITFIELD) | |
| __u8 dest_addr_type:4, | |
| src_addr_type:4; | |
| #elif defined(__LITTLE_ENDIAN_BITFIELD) | |
| __u8 src_addr_type:4, | |
| dest_addr_type:4; | |
| #endif | |
| __u8 src_switch_addr[3]; | |
| __u16 reserved; | |
| __u8 daddr[HIPPI_ALEN]; | |
| __u16 locally_administered; | |
| __u8 saddr[HIPPI_ALEN]; | |
| } __attribute__ ((packed)); | |
| #define HIPPI_OUI_LEN 3 | |
| /* | |
| * Looks like the dsap and ssap fields have been swapped by mistake in | |
| * RFC 2067 "IP over HIPPI". | |
| */ | |
| struct hippi_snap_hdr | |
| { | |
| __u8 dsap; /* always 0xAA */ | |
| __u8 ssap; /* always 0xAA */ | |
| __u8 ctrl; /* always 0x03 */ | |
| __u8 oui[HIPPI_OUI_LEN]; /* organizational universal id (zero)*/ | |
| __be16 ethertype; /* packet type ID field */ | |
| } __attribute__ ((packed)); | |
| struct hippi_hdr | |
| { | |
| struct hippi_fp_hdr fp; | |
| struct hippi_le_hdr le; | |
| struct hippi_snap_hdr snap; | |
| } __attribute__ ((packed)); | |
| #endif /* _LINUX_IF_HIPPI_H */ |