diff options
Diffstat (limited to 'include/linux/if_hippi.h')
| -rw-r--r-- | include/linux/if_hippi.h | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/include/linux/if_hippi.h b/include/linux/if_hippi.h new file mode 100644 index 00000000000..8d038eb8db5 --- /dev/null +++ b/include/linux/if_hippi.h @@ -0,0 +1,153 @@ +/* + * 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 */ |