| /* |
| * 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 <linux/types.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 */ |
