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154 lines
4.1 KiB
154 lines
4.1 KiB
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ |
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/* |
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* INET An implementation of the TCP/IP protocol suite for the LINUX |
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* operating system. INET is implemented using the BSD Socket |
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* interface as the means of communication with the user level. |
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* |
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* Global definitions for the HIPPI interface. |
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* |
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* Version: @(#)if_hippi.h 1.0.0 05/26/97 |
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* |
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* Author: Fred N. van Kempen, <[email protected]> |
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* Donald Becker, <[email protected]> |
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* Alan Cox, <[email protected]> |
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* Steve Whitehouse, <[email protected]> |
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* Jes Sorensen, <[email protected]> |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version |
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* 2 of the License, or (at your option) any later version. |
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*/ |
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#ifndef _LINUX_IF_HIPPI_H |
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#define _LINUX_IF_HIPPI_H |
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#include <linux/types.h> |
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#include <asm/byteorder.h> |
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/* |
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* HIPPI magic constants. |
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*/ |
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#define HIPPI_ALEN 6 /* Bytes in one HIPPI hw-addr */ |
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#define HIPPI_HLEN sizeof(struct hippi_hdr) |
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#define HIPPI_ZLEN 0 /* Min. bytes in frame without FCS */ |
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#define HIPPI_DATA_LEN 65280 /* Max. bytes in payload */ |
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#define HIPPI_FRAME_LEN (HIPPI_DATA_LEN + HIPPI_HLEN) |
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/* Max. bytes in frame without FCS */ |
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/* |
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* Define LLC and SNAP constants. |
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*/ |
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#define HIPPI_EXTENDED_SAP 0xAA |
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#define HIPPI_UI_CMD 0x03 |
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/* |
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* Do we need to list some sort of ID's here? |
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*/ |
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/* |
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* HIPPI statistics collection data. |
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*/ |
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struct hipnet_statistics { |
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int rx_packets; /* total packets received */ |
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int tx_packets; /* total packets transmitted */ |
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int rx_errors; /* bad packets received */ |
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int tx_errors; /* packet transmit problems */ |
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int rx_dropped; /* no space in linux buffers */ |
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int tx_dropped; /* no space available in linux */ |
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/* detailed rx_errors: */ |
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int rx_length_errors; |
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int rx_over_errors; /* receiver ring buff overflow */ |
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int rx_crc_errors; /* recved pkt with crc error */ |
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int rx_frame_errors; /* recv'd frame alignment error */ |
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int rx_fifo_errors; /* recv'r fifo overrun */ |
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int rx_missed_errors; /* receiver missed packet */ |
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/* detailed tx_errors */ |
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int tx_aborted_errors; |
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int tx_carrier_errors; |
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int tx_fifo_errors; |
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int tx_heartbeat_errors; |
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int tx_window_errors; |
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}; |
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struct hippi_fp_hdr { |
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#if 0 |
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__u8 ulp; /* must contain 4 */ |
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#if defined (__BIG_ENDIAN_BITFIELD) |
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__u8 d1_data_present:1; /* must be 1 */ |
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__u8 start_d2_burst_boundary:1; /* must be zero */ |
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__u8 reserved:6; /* must be zero */ |
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#if 0 |
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__u16 reserved1:5; |
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__u16 d1_area_size:8; /* must be 3 */ |
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__u16 d2_offset:3; /* must be zero */ |
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#endif |
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#elif defined(__LITTLE_ENDIAN_BITFIELD) |
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__u8 reserved:6; /* must be zero */ |
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__u8 start_d2_burst_boundary:1; /* must be zero */ |
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__u8 d1_data_present:1; /* must be 1 */ |
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#if 0 |
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__u16 d2_offset:3; /* must be zero */ |
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__u16 d1_area_size:8; /* must be 3 */ |
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__u16 reserved1:5; /* must be zero */ |
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#endif |
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#else |
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#error "Please fix <asm/byteorder.h>" |
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#endif |
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#else |
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__be32 fixed; |
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#endif |
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__be32 d2_size; |
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} __attribute__((packed)); |
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struct hippi_le_hdr { |
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#if defined (__BIG_ENDIAN_BITFIELD) |
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__u8 fc:3; |
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__u8 double_wide:1; |
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__u8 message_type:4; |
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#elif defined(__LITTLE_ENDIAN_BITFIELD) |
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__u8 message_type:4; |
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__u8 double_wide:1; |
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__u8 fc:3; |
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#endif |
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__u8 dest_switch_addr[3]; |
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#if defined (__BIG_ENDIAN_BITFIELD) |
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__u8 dest_addr_type:4, |
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src_addr_type:4; |
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#elif defined(__LITTLE_ENDIAN_BITFIELD) |
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__u8 src_addr_type:4, |
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dest_addr_type:4; |
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#endif |
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__u8 src_switch_addr[3]; |
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__u16 reserved; |
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__u8 daddr[HIPPI_ALEN]; |
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__u16 locally_administered; |
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__u8 saddr[HIPPI_ALEN]; |
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} __attribute__((packed)); |
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#define HIPPI_OUI_LEN 3 |
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/* |
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* Looks like the dsap and ssap fields have been swapped by mistake in |
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* RFC 2067 "IP over HIPPI". |
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*/ |
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struct hippi_snap_hdr { |
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__u8 dsap; /* always 0xAA */ |
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__u8 ssap; /* always 0xAA */ |
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__u8 ctrl; /* always 0x03 */ |
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__u8 oui[HIPPI_OUI_LEN]; /* organizational universal id (zero)*/ |
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__be16 ethertype; /* packet type ID field */ |
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} __attribute__((packed)); |
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struct hippi_hdr { |
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struct hippi_fp_hdr fp; |
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struct hippi_le_hdr le; |
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struct hippi_snap_hdr snap; |
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} __attribute__((packed)); |
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#endif /* _LINUX_IF_HIPPI_H */
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