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151 lines
6.2 KiB
C
151 lines
6.2 KiB
C
/*-
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* Copyright (c) 1984, 1985, 1986, 1987, 1993
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* The Regents of the University of California.
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* Copyright (c) 2004-2006 Robert N. M. Watson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Copyright (c) 1995, Mike Mitchell
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)ipx_pcb.h
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*
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* $FreeBSD$
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*/
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#ifndef _NETIPX_IPX_PCB_H_
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#define _NETIPX_IPX_PCB_H_
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/*
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* IPX protocol interface control block.
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*/
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struct ipxpcb {
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LIST_ENTRY(ipxpcb) ipxp_list;
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struct socket *ipxp_socket; /* back pointer to socket */
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struct ipx_addr ipxp_faddr; /* destination address */
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struct ipx_addr ipxp_laddr; /* socket's address */
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caddr_t ipxp_pcb; /* protocol specific stuff */
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struct route ipxp_route; /* routing information */
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struct ipx_addr ipxp_lastdst; /* validate cached route for dg socks*/
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short ipxp_flags;
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u_char ipxp_dpt; /* default packet type for ipx_output */
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u_char ipxp_rpt; /* last received packet type by ipx_input() */
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struct mtx ipxp_mtx;
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};
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/*
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* Additional IPX pcb-related types and variables.
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*/
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LIST_HEAD(ipxpcbhead, ipxpcb);
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extern struct ipxpcbhead ipxpcb_list;
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extern struct ipxpcbhead ipxrawpcb_list;
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#ifdef _KERNEL
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extern struct mtx ipxpcb_list_mtx;
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#endif
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/*
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* IPX/SPX PCB flags.
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*/
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#define IPXP_IN_ABORT 0x1 /* Calling abort through socket. */
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#define IPXP_RAWIN 0x2 /* Show headers on input. */
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#define IPXP_RAWOUT 0x4 /* Show header on output. */
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#define IPXP_ALL_PACKETS 0x8 /* Turn off higher proto processing. */
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#define IPXP_CHECKSUM 0x10 /* Use checksum on this socket. */
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#define IPXP_DROPPED 0x20 /* Connection dropped. */
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#define IPXP_SPX 0x40 /* SPX PCB. */
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#define IPX_WILDCARD 1
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#define ipxp_lport ipxp_laddr.x_port
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#define ipxp_fport ipxp_faddr.x_port
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#define sotoipxpcb(so) ((struct ipxpcb *)((so)->so_pcb))
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/*
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* Nominal space allocated to an IPX socket.
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*/
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#define IPXSNDQ 16384
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#define IPXRCVQ 40960
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#ifdef _KERNEL
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int ipx_pcballoc(struct socket *so, struct ipxpcbhead *head,
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struct thread *p);
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int ipx_pcbbind(struct ipxpcb *ipxp, struct sockaddr *nam,
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struct thread *p);
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int ipx_pcbconnect(struct ipxpcb *ipxp, struct sockaddr *nam,
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struct thread *p);
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void ipx_pcbdetach(struct ipxpcb *ipxp);
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void ipx_pcbdisconnect(struct ipxpcb *ipxp);
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void ipx_pcbfree(struct ipxpcb *ipxp);
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struct ipxpcb *ipx_pcblookup(struct ipx_addr *faddr, u_short lport, int wildp);
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void ipx_getpeeraddr(struct ipxpcb *ipxp, struct sockaddr **nam);
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void ipx_getsockaddr(struct ipxpcb *ipxp, struct sockaddr **nam);
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#define IPX_LIST_LOCK_INIT() mtx_init(&ipxpcb_list_mtx, "ipx_list_mtx", \
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NULL, MTX_DEF | MTX_RECURSE)
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#define IPX_LIST_LOCK() mtx_lock(&ipxpcb_list_mtx)
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#define IPX_LIST_UNLOCK() mtx_unlock(&ipxpcb_list_mtx)
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#define IPX_LIST_LOCK_ASSERT() mtx_assert(&ipxpcb_list_mtx, MA_OWNED)
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#define IPX_LOCK_INIT(ipx) mtx_init(&(ipx)->ipxp_mtx, "ipx_mtx", NULL, \
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MTX_DEF)
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#define IPX_LOCK_DESTROY(ipx) mtx_destroy(&(ipx)->ipxp_mtx)
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#define IPX_LOCK(ipx) mtx_lock(&(ipx)->ipxp_mtx)
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#define IPX_UNLOCK(ipx) mtx_unlock(&(ipx)->ipxp_mtx)
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#define IPX_LOCK_ASSERT(ipx) mtx_assert(&(ipx)->ipxp_mtx, MA_OWNED)
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#endif /* _KERNEL */
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#endif /* !_NETIPX_IPX_PCB_H_ */
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