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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2014 Garrett D'Amore <garrett@damore.org>
*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* ethernet.h header for common Ethernet declarations.
*/
#ifndef _SYS_ETHERNET_H
#define _SYS_ETHERNET_H
#ifdef __cplusplus
extern "C" {
#endif
#define ETHERADDRL (6) /* ethernet address length in octets */
#define ETHERFCSL (4) /* ethernet FCS length in octets */
#define ETHERADDRSTRL (18) /* char size of ETHERADDRL with null */
/*
* Ethernet address - 6 octets
*/
typedef uchar_t ether_addr_t[ETHERADDRL];
/*
* Ethernet address - 6 octets
*/
struct ether_addr {
ether_addr_t ether_addr_octet;
};
/*
* Structure of a 10Mb/s Ethernet header.
*/
struct ether_header {
struct ether_addr ether_dhost;
struct ether_addr ether_shost;
ushort_t ether_type;
};
#define ETHER_CFI 0
struct ether_vlan_header {
struct ether_addr ether_dhost;
struct ether_addr ether_shost;
ushort_t ether_tpid;
ushort_t ether_tci;
ushort_t ether_type;
};
/*
* The VLAN tag. Available for applications that cannot make use of struct
* ether_vlan_header because they assume Ethernet encapsulation.
*/
struct ether_vlan_extinfo {
ushort_t ether_tci;
ushort_t ether_type;
};
#define ETHERTYPE_PUP (0x0200) /* PUP protocol */
#define ETHERTYPE_802_MIN (0x0600) /* Min valid ethernet type */
/* under IEEE 802.3 rules */
#define ETHERTYPE_IP (0x0800) /* IP protocol */
#define ETHERTYPE_ARP (0x0806) /* Addr. resolution protocol */
#define ETHERTYPE_REVARP (0x8035) /* Reverse ARP */
#define ETHERTYPE_AT (0x809b) /* AppleTalk protocol */
#define ETHERTYPE_AARP (0x80f3) /* AppleTalk ARP */
#define ETHERTYPE_VLAN (0x8100) /* 802.1Q VLAN */
#define ETHERTYPE_IPV6 (0x86dd) /* IPv6 */
#define ETHERTYPE_SLOW (0x8809) /* Slow Protocol */
#define ETHERTYPE_PPPOED (0x8863) /* PPPoE Discovery Stage */
#define ETHERTYPE_PPPOES (0x8864) /* PPPoE Session Stage */
#define ETHERTYPE_EAPOL (0x888e) /* EAPOL protocol */
#define ETHERTYPE_RSN_PREAUTH (0x88c7) /* RSN PRE-Authentication */
#define ETHERTYPE_TRILL (0x88c8) /* TBD. TRILL frame */
#define ETHERTYPE_FCOE (0x8906) /* FCoE */
#define ETHERTYPE_MAX (0xffff) /* Max valid ethernet type */
/*
* The ETHERTYPE_NTRAILER packet types starting at ETHERTYPE_TRAIL have
* (type-ETHERTYPE_TRAIL)*512 bytes of data followed
* by an ETHER type (as given above) and then the (variable-length) header.
*/
#define ETHERTYPE_TRAIL (0x1000) /* Trailer packet */
#define ETHERTYPE_NTRAILER (16)
#define ETHERMTU (1500) /* max frame w/o header or fcs */
#define ETHERMIN (60) /* min frame w/header w/o fcs */
#define ETHERMAX (1514) /* max frame w/header w/o fcs */
/*
* Compare two Ethernet addresses - assumes that the two given
* pointers can be referenced as shorts. On architectures
* where this is not the case, use bcmp instead. Note that like
* bcmp, we return zero if they are the SAME.
*/
#if defined(__sparc) || defined(__i386) || defined(__amd64)
#define ether_cmp(a, b) (((short *)b)[2] != ((short *)a)[2] || \
((short *)b)[1] != ((short *)a)[1] || \
((short *)b)[0] != ((short *)a)[0])
#else
#define ether_cmp(a, b) (bcmp((caddr_t)a, (caddr_t)b, 6))
#endif
/*
* Copy Ethernet addresses from a to b - assumes that the two given
* pointers can be referenced as shorts. On architectures
* where this is not the case, use bcopy instead.
*/
#if defined(__sparc) || defined(__i386) || defined(__amd64)
#define ether_copy(a, b) { ((short *)b)[0] = ((short *)a)[0]; \
((short *)b)[1] = ((short *)a)[1]; ((short *)b)[2] = ((short *)a)[2]; }
#else
#define ether_copy(a, b) (bcopy((caddr_t)a, (caddr_t)b, 6))
#endif
#ifdef _KERNEL
extern int localetheraddr(struct ether_addr *, struct ether_addr *);
extern char *ether_sprintf(struct ether_addr *);
extern int ether_aton(char *, uchar_t *);
#else /* _KERNEL */
extern char *ether_ntoa(const struct ether_addr *);
extern char *ether_ntoa_r(const struct ether_addr *, char *);
extern struct ether_addr *ether_aton(const char *);
extern struct ether_addr *ether_aton_r(const char *, struct ether_addr *);
extern int ether_ntohost(char *, const struct ether_addr *);
extern int ether_hostton(const char *, struct ether_addr *);
extern int ether_line(const char *, struct ether_addr *, char *);
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_ETHERNET_H */
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