/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* * 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 */