freebsd-dev/sys/netipx/ipx_if.h
Robert Watson 574644abac Use queue(9) instead of hand-crafted link lists for the global IPX
address list (ipx_ifaddr -> ipx_ifaddrhead), and generally adopt the
naming and usage conventions found in netinet.

MFC after:	6 weeks
2009-06-24 20:57:50 +00:00

129 lines
5.4 KiB
C

/*-
* Copyright (c) 1984, 1985, 1986, 1987, 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.
* 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.
* Copyright (c) 1995, Mike Mitchell
*
* 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.
*
* @(#)ipx_if.h
*
* $FreeBSD$
*/
#ifndef _NETIPX_IPX_IF_H_
#define _NETIPX_IPX_IF_H_
/*
* Interface address. One of these structures
* is allocated for each interface with an internet address.
* The ifaddr structure contains the protocol-independent part
* of the structure and is assumed to be first.
*/
struct ipx_ifaddr {
struct ifaddr ia_ifa; /* protocol-independent info */
#define ia_ifp ia_ifa.ifa_ifp
#define ia_flags ia_ifa.ifa_flags
TAILQ_ENTRY(ipx_ifaddr) ia_link; /* list of IPv6 addresses */
struct sockaddr_ipx ia_addr; /* reserve space for my address */
struct sockaddr_ipx ia_dstaddr; /* space for my broadcast address */
#define ia_broadaddr ia_dstaddr
struct sockaddr_ipx ia_netmask; /* space for my network mask */
};
struct ipx_aliasreq {
char ifra_name[IFNAMSIZ]; /* if name, e.g. "en0" */
struct sockaddr_ipx ifra_addr;
struct sockaddr_ipx ifra_broadaddr;
#define ifra_dstaddr ifra_broadaddr
};
/*
* List of ipx_ifaddr's.
*/
TAILQ_HEAD(ipx_ifaddrhead, ipx_ifaddr);
/*
* Given a pointer to an ipx_ifaddr (ifaddr),
* return a pointer to the addr as a sockadd_ipx.
*/
#define IA_SIPX(ia) (&(((struct ipx_ifaddr *)(ia))->ia_addr))
/* This is not the right place for this but where is? */
#define ETHERTYPE_IPX_8022 0x00e0 /* Ethernet_802.2 */
#define ETHERTYPE_IPX_8023 0x0000 /* Ethernet_802.3 */
#define ETHERTYPE_IPX_II 0x8137 /* Ethernet_II */
#define ETHERTYPE_IPX_SNAP 0x8137 /* Ethernet_SNAP */
#define ETHERTYPE_IPX 0x8137 /* Only Ethernet_II Available */
#ifdef _KERNEL
extern struct rwlock ipx_ifaddr_rw;
extern struct ipx_ifaddrhead ipx_ifaddrhead;
#define IPX_IFADDR_LOCK_INIT() rw_init(&ipx_ifaddr_rw, "ipx_ifaddr_rw")
#define IPX_IFADDR_LOCK_ASSERT() rw_assert(&ipx_ifaddr_rw, RA_LOCKED)
#define IPX_IFADDR_RLOCK() rw_rlock(&ipx_ifaddr_rw)
#define IPX_IFADDR_RUNLOCK() rw_runlock(&ipx_ifaddr_rw)
#define IPX_IFADDR_WLOCK() rw_wlock(&ipx_ifaddr_rw)
#define IPX_IFADDR_WUNLOCK() rw_wunlock(&ipx_ifaddr_rw)
#define IPX_IFADDR_RLOCK_ASSERT() rw_assert(&ipx_ifaddr_rw, RA_WLOCKED)
struct ipx_ifaddr *ipx_iaonnetof(struct ipx_addr *dst);
#endif
#endif /* !_NETIPX_IPX_IF_H_ */