/usr/hppa-linux-gnu/include/linux/if_arcnet.h is in linux-libc-dev-hppa-cross 4.15.0-18.19cross1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 | /* 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 ARCnet interface.
*
* Authors: David Woodhouse and Avery Pennarun
*
* 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_ARCNET_H
#define _LINUX_IF_ARCNET_H
#include <linux/types.h>
#include <linux/if_ether.h>
/*
* These are the defined ARCnet Protocol ID's.
*/
/* CAP mode */
/* No macro but uses 1-8 */
/* RFC1201 Protocol ID's */
#define ARC_P_IP 212 /* 0xD4 */
#define ARC_P_IPV6 196 /* 0xC4: RFC2497 */
#define ARC_P_ARP 213 /* 0xD5 */
#define ARC_P_RARP 214 /* 0xD6 */
#define ARC_P_IPX 250 /* 0xFA */
#define ARC_P_NOVELL_EC 236 /* 0xEC */
/* Old RFC1051 Protocol ID's */
#define ARC_P_IP_RFC1051 240 /* 0xF0 */
#define ARC_P_ARP_RFC1051 241 /* 0xF1 */
/* MS LanMan/WfWg "NDIS" encapsulation */
#define ARC_P_ETHER 232 /* 0xE8 */
/* Unsupported/indirectly supported protocols */
#define ARC_P_DATAPOINT_BOOT 0 /* very old Datapoint equipment */
#define ARC_P_DATAPOINT_MOUNT 1
#define ARC_P_POWERLAN_BEACON 8 /* Probably ATA-Netbios related */
#define ARC_P_POWERLAN_BEACON2 243 /* 0xF3 */
#define ARC_P_LANSOFT 251 /* 0xFB - what is this? */
#define ARC_P_ATALK 0xDD
/* Hardware address length */
#define ARCNET_ALEN 1
/*
* The RFC1201-specific components of an arcnet packet header.
*/
struct arc_rfc1201 {
__u8 proto; /* protocol ID field - varies */
__u8 split_flag; /* for use with split packets */
__be16 sequence; /* sequence number */
__u8 payload[0]; /* space remaining in packet (504 bytes)*/
};
#define RFC1201_HDR_SIZE 4
/*
* The RFC1051-specific components.
*/
struct arc_rfc1051 {
__u8 proto; /* ARC_P_RFC1051_ARP/RFC1051_IP */
__u8 payload[0]; /* 507 bytes */
};
#define RFC1051_HDR_SIZE 1
/*
* The ethernet-encap-specific components. We have a real ethernet header
* and some data.
*/
struct arc_eth_encap {
__u8 proto; /* Always ARC_P_ETHER */
struct ethhdr eth; /* standard ethernet header (yuck!) */
__u8 payload[0]; /* 493 bytes */
};
#define ETH_ENCAP_HDR_SIZE 14
struct arc_cap {
__u8 proto;
__u8 cookie[sizeof(int)];
/* Actually NOT sent over the network */
union {
__u8 ack;
__u8 raw[0]; /* 507 bytes */
} mes;
};
/*
* The data needed by the actual arcnet hardware.
*
* Now, in the real arcnet hardware, the third and fourth bytes are the
* 'offset' specification instead of the length, and the soft data is at
* the _end_ of the 512-byte buffer. We hide this complexity inside the
* driver.
*/
struct arc_hardware {
__u8 source; /* source ARCnet - filled in automagically */
__u8 dest; /* destination ARCnet - 0 for broadcast */
__u8 offset[2]; /* offset bytes (some weird semantics) */
};
#define ARC_HDR_SIZE 4
/*
* This is an ARCnet frame header, as seen by the kernel (and userspace,
* when you do a raw packet capture).
*/
struct archdr {
/* hardware requirements */
struct arc_hardware hard;
/* arcnet encapsulation-specific bits */
union {
struct arc_rfc1201 rfc1201;
struct arc_rfc1051 rfc1051;
struct arc_eth_encap eth_encap;
struct arc_cap cap;
__u8 raw[0]; /* 508 bytes */
} soft;
};
#endif /* _LINUX_IF_ARCNET_H */
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