haiku/headers/posix/netinet/if_ether.h

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/*
* Copyright (c) 1982, 1986, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)if_ether.h 8.1 (Berkeley) 6/10/93
*/
#ifndef NETINET_IF_ETHER_H
#define NETINET_IF_ETHER_H
#include "net/if_arp.h"
/*
* Ethernet address - 6 octets
* this is only used by the ethers(3) functions.
*/
struct ether_addr {
uint8 ether_addr_octet[6];
};
/*
* Some Ethernet constants.
*/
#define ETHER_ADDR_LEN 6 /* Ethernet address length */
#define ETHER_TYPE_LEN 2 /* Ethernet type field length */
#define ETHER_CRC_LEN 4 /* Ethernet CRC lenght */
#define ETHER_HDR_LEN ((ETHER_ADDR_LEN * 2) + ETHER_TYPE_LEN)
#define ETHER_MIN_LEN 64 /* Minimum frame length, CRC included */
#define ETHER_MAX_LEN 1518 /* Maximum frame length, CRC included */
struct ether_header {
uint8 ether_dhost[ETHER_ADDR_LEN];
uint8 ether_shost[ETHER_ADDR_LEN];
uint16 ether_type;
};
#define ETHERTYPE_PUP 0x0200 /* PUP protocol */
#define ETHERTYPE_IP 0x0800 /* IP protocol */
#define ETHERTYPE_ARP 0x0806 /* address resolution protocol */
#define ETHERTYPE_REVARP 0x8035 /* reverse addr resolution protocol */
#define ETHERTYPE_8021Q 0x8100 /* IEEE 802.1Q VLAN tagging */
#define ETHERTYPE_IPV6 0x86DD /* IPv6 protocol */
#define ETHERTYPE_PPPOEDISC 0x8863 /* PPP Over Ethernet Discovery Stage */
#define ETHERTYPE_PPPOE 0x8864 /* PPP Over Ethernet Session Stage */
#define ETHERTYPE_LOOPBACK 0x9000 /* used to test interfaces */
#define ETHER_IS_MULTICAST(addr) (*(addr) & 0x01) /* is address mcast/bcast? */
#define ETHERMTU (ETHER_MAX_LEN - ETHER_HDR_LEN - ETHER_CRC_LEN)
#define ETHERMIN (ETHER_MIN_LEN - ETHER_HDR_LEN - ETHER_CRC_LEN)
//#ifdef _NETWORK_STACK
/*
* Macro to map an IP multicast address to an Ethernet multicast address.
* The high-order 25 bits of the Ethernet address are statically assigned,
* and the low-order 23 bits are taken from the low end of the IP address.
*/
#define ETHER_MAP_IP_MULTICAST(ipaddr, enaddr) \
/* struct in_addr *ipaddr; */ \
/* u_int8_t enaddr[ETHER_ADDR_LEN]; */ \
{ \
(enaddr)[0] = 0x01; \
(enaddr)[1] = 0x00; \
(enaddr)[2] = 0x5e; \
(enaddr)[3] = ((uint8 *)ipaddr)[1] & 0x7f; \
(enaddr)[4] = ((uint8 *)ipaddr)[2]; \
(enaddr)[5] = ((uint8 *)ipaddr)[3]; \
}
/*
* Macro to map an IPv6 multicast address to an Ethernet multicast address.
* The high-order 16 bits of the Ethernet address are statically assigned,
* and the low-order 32 bits are taken from the low end of the IPv6 address.
*/
#define ETHER_MAP_IPV6_MULTICAST(ip6addr, enaddr) \
/* struct in6_addr *ip6addr; */ \
/* u_int8_t enaddr[ETHER_ADDR_LEN]; */ \
{ \
(enaddr)[0] = 0x33; \
(enaddr)[1] = 0x33; \
(enaddr)[2] = ((u_int8_t *)ip6addr)[12]; \
(enaddr)[3] = ((u_int8_t *)ip6addr)[13]; \
(enaddr)[4] = ((u_int8_t *)ip6addr)[14]; \
(enaddr)[5] = ((u_int8_t *)ip6addr)[15]; \
}
//#endif
/*
* Structure shared between the ethernet driver modules and
* the address resolution code. For example, each ec_softc or il_softc
* begins with this structure.
*/
struct arpcom {
struct ifnet ac_if; /* network-visible interface */
uint8 ac_enaddr[ETHER_ADDR_LEN]; /* ethernet hardware address */
struct in_addr ac_ipaddr;
char ac__pad[2]; /* pad for some machines */
// struct ether_multi *ac_multiaddrs; /* list of ether multicast addrs */
int ac_multicnt; /* length of ac_multiaddrs list */
};
struct ether_device {
struct arpcom sc_ac;
struct ether_device *next; /* next ether_device */
};
#define sc_if sc_ac.ac_if
#define sc_addr sc_ac.ac_enaddr
struct ether_arp {
struct arphdr ea_hdr;
u_char arp_sha[6];
u_char arp_spa[4];
u_char arp_tha[6];
u_char arp_tpa[4];
};
#define arp_hrd ea_hdr.ar_hrd
#define arp_pro ea_hdr.ar_pro
#define arp_hln ea_hdr.ar_hln
#define arp_pln ea_hdr.ar_pln
#define arp_op ea_hdr.ar_op
struct llinfo_arp {
struct llinfo_arp *la_next;
struct llinfo_arp *la_prev;
struct rtentry *la_rt;
struct mbuf *la_hold;
int32 la_asked;
};
#define la_timer la_rt->rt_rmx.rmx_expire
struct sockaddr_inarp {
uint8 sin_len;
uint8 sin_family;
uint16 sin_port;
struct in_addr sin_addr;
struct in_addr sin_srcaddr;
uint16 sin_tos;
uint16 sin_other;
};
#define SIN_PROXY 1
/*
* IP and ethernet specific routing flags
*/
#define RTF_USETRAILERS RTF_PROTO1 /* use trailers */
#define RTF_ANNOUNCE RTF_PROTO2 /* announce new arp entry */
#define RTF_PERMANENT_ARP RTF_PROTO3 /* only manual overwrite of entry */
//#ifdef _NETWORK_STACK
int arpresolve(struct arpcom *ac, struct rtentry *rt, struct mbuf *m,
struct sockaddr *dst, uint8 *desten);
//void arpwhohas(struct arpcom *ac, struct in_addr *ia);
//#else
char *ether_ntoa (struct ether_addr *);
struct ether_addr *ether_aton (char *);
int ether_ntohost (char *, struct ether_addr *);
int ether_hostton (char *, struct ether_addr *);
int ether_line(char *line, struct ether_addr *e, char *hostname);
//#endif
#endif /* NETINET_IF_ETHER_H */