130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * INET An implementation of the TCP/IP protocol suite for the LINUX 330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * operating system. INET is implemented using the BSD Socket 430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * interface as the means of communication with the user level. 530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Global definitions for the HIPPI interface. 730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Version: @(#)if_hippi.h 1.0.0 05/26/97 930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 1030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> 1130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Donald Becker, <becker@super.org> 1230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Alan Cox, <alan@lxorguk.ukuu.org.uk> 1330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Steve Whitehouse, <gw7rrm@eeshack3.swan.ac.uk> 1430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Jes Sorensen, <Jes.Sorensen@cern.ch> 1530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 1630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * This program is free software; you can redistribute it and/or 1730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * modify it under the terms of the GNU General Public License 1830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * as published by the Free Software Foundation; either version 1930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * 2 of the License, or (at your option) any later version. 2030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 2130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 2230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#ifndef _LINUX_IF_HIPPI_H 2330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define _LINUX_IF_HIPPI_H 2430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 2530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#include <linux/types.h> 2630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#include <asm/byteorder.h> 2730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 2830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 2930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * HIPPI magic constants. 3030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 3130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 3230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define HIPPI_ALEN 6 /* Bytes in one HIPPI hw-addr */ 3330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define HIPPI_HLEN sizeof(struct hippi_hdr) 3430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define HIPPI_ZLEN 0 /* Min. bytes in frame without FCS */ 3530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define HIPPI_DATA_LEN 65280 /* Max. bytes in payload */ 3630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define HIPPI_FRAME_LEN (HIPPI_DATA_LEN + HIPPI_HLEN) 3730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng /* Max. bytes in frame without FCS */ 3830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 3930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 4030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Define LLC and SNAP constants. 4130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 4230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define HIPPI_EXTENDED_SAP 0xAA 4330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define HIPPI_UI_CMD 0x03 4430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 4530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 4630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 4730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Do we need to list some sort of ID's here? 4830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 4930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 5030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 5130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * HIPPI statistics collection data. 5230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 5330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 5430692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct hipnet_statistics { 5530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int rx_packets; /* total packets received */ 5630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int tx_packets; /* total packets transmitted */ 5730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int rx_errors; /* bad packets received */ 5830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int tx_errors; /* packet transmit problems */ 5930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int rx_dropped; /* no space in linux buffers */ 6030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int tx_dropped; /* no space available in linux */ 6130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 6230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng /* detailed rx_errors: */ 6330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int rx_length_errors; 6430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int rx_over_errors; /* receiver ring buff overflow */ 6530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int rx_crc_errors; /* recved pkt with crc error */ 6630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int rx_frame_errors; /* recv'd frame alignment error */ 6730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int rx_fifo_errors; /* recv'r fifo overrun */ 6830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int rx_missed_errors; /* receiver missed packet */ 6930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 7030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng /* detailed tx_errors */ 7130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int tx_aborted_errors; 7230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int tx_carrier_errors; 7330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int tx_fifo_errors; 7430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int tx_heartbeat_errors; 7530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng int tx_window_errors; 7630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng}; 7730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 7830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 7930692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct hippi_fp_hdr { 8030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#if 0 8130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 ulp; /* must contain 4 */ 8230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#if defined (__BIG_ENDIAN_BITFIELD) 8330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 d1_data_present:1; /* must be 1 */ 8430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 start_d2_burst_boundary:1; /* must be zero */ 8530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 reserved:6; /* must be zero */ 8630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#if 0 8730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 reserved1:5; 8830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 d1_area_size:8; /* must be 3 */ 8930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 d2_offset:3; /* must be zero */ 9030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#endif 9130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#elif defined(__LITTLE_ENDIAN_BITFIELD) 9230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 reserved:6; /* must be zero */ 9330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 start_d2_burst_boundary:1; /* must be zero */ 9430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 d1_data_present:1; /* must be 1 */ 9530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#if 0 9630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 d2_offset:3; /* must be zero */ 9730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 d1_area_size:8; /* must be 3 */ 9830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 reserved1:5; /* must be zero */ 9930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#endif 10030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#else 10130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#error "Please fix <asm/byteorder.h>" 10230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#endif 10330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#else 10430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __be32 fixed; 10530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#endif 10630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __be32 d2_size; 10730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng} __attribute__((packed)); 10830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 10930692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct hippi_le_hdr { 11030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#if defined (__BIG_ENDIAN_BITFIELD) 11130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 fc:3; 11230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 double_wide:1; 11330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 message_type:4; 11430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#elif defined(__LITTLE_ENDIAN_BITFIELD) 11530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 message_type:4; 11630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 double_wide:1; 11730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 fc:3; 11830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#endif 11930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 dest_switch_addr[3]; 12030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#if defined (__BIG_ENDIAN_BITFIELD) 12130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 dest_addr_type:4, 12230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng src_addr_type:4; 12330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#elif defined(__LITTLE_ENDIAN_BITFIELD) 12430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 src_addr_type:4, 12530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng dest_addr_type:4; 12630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#endif 12730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 src_switch_addr[3]; 12830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 reserved; 12930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 daddr[HIPPI_ALEN]; 13030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u16 locally_administered; 13130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 saddr[HIPPI_ALEN]; 13230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng} __attribute__((packed)); 13330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 13430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#define HIPPI_OUI_LEN 3 13530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng/* 13630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * Looks like the dsap and ssap fields have been swapped by mistake in 13730692c65c4174412c90e79489e98ab85c1a7412fBen Cheng * RFC 2067 "IP over HIPPI". 13830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng */ 13930692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct hippi_snap_hdr { 14030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 dsap; /* always 0xAA */ 14130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 ssap; /* always 0xAA */ 14230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 ctrl; /* always 0x03 */ 14330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __u8 oui[HIPPI_OUI_LEN]; /* organizational universal id (zero)*/ 14430692c65c4174412c90e79489e98ab85c1a7412fBen Cheng __be16 ethertype; /* packet type ID field */ 14530692c65c4174412c90e79489e98ab85c1a7412fBen Cheng} __attribute__((packed)); 14630692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 14730692c65c4174412c90e79489e98ab85c1a7412fBen Chengstruct hippi_hdr { 14830692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct hippi_fp_hdr fp; 14930692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct hippi_le_hdr le; 15030692c65c4174412c90e79489e98ab85c1a7412fBen Cheng struct hippi_snap_hdr snap; 15130692c65c4174412c90e79489e98ab85c1a7412fBen Cheng} __attribute__((packed)); 15230692c65c4174412c90e79489e98ab85c1a7412fBen Cheng 15330692c65c4174412c90e79489e98ab85c1a7412fBen Cheng#endif /* _LINUX_IF_HIPPI_H */ 154