1 /*- 2 * Copyright (c) 1984, 1985, 1986, 1987, 1993 3 * The Regents of the University of California. 4 * Copyright (c) 2004-2006 Robert N. M. Watson 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 4. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * Copyright (c) 1995, Mike Mitchell 32 * All rights reserved. 33 * 34 * Redistribution and use in source and binary forms, with or without 35 * modification, are permitted provided that the following conditions 36 * are met: 37 * 1. Redistributions of source code must retain the above copyright 38 * notice, this list of conditions and the following disclaimer. 39 * 2. Redistributions in binary form must reproduce the above copyright 40 * notice, this list of conditions and the following disclaimer in the 41 * documentation and/or other materials provided with the distribution. 42 * 3. All advertising materials mentioning features or use of this software 43 * must display the following acknowledgement: 44 * This product includes software developed by the University of 45 * California, Berkeley and its contributors. 46 * 4. Neither the name of the University nor the names of its contributors 47 * may be used to endorse or promote products derived from this software 48 * without specific prior written permission. 49 * 50 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 51 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 52 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 53 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 54 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 55 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 56 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 57 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 58 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 59 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 60 * SUCH DAMAGE. 61 * 62 * @(#)ipx_pcb.h 63 * 64 * $FreeBSD$ 65 */ 66 67 #ifndef _NETIPX_IPX_PCB_H_ 68 #define _NETIPX_IPX_PCB_H_ 69 70 /* 71 * IPX protocol interface control block. 72 */ 73 struct ipxpcb { 74 LIST_ENTRY(ipxpcb) ipxp_list; 75 struct socket *ipxp_socket; /* back pointer to socket */ 76 struct ipx_addr ipxp_faddr; /* destination address */ 77 struct ipx_addr ipxp_laddr; /* socket's address */ 78 caddr_t ipxp_pcb; /* protocol specific stuff */ 79 struct route ipxp_route; /* routing information */ 80 struct ipx_addr ipxp_lastdst; /* validate cached route for dg socks*/ 81 short ipxp_flags; 82 u_char ipxp_dpt; /* default packet type for ipx_output */ 83 u_char ipxp_rpt; /* last received packet type by ipx_input() */ 84 struct mtx ipxp_mtx; 85 }; 86 87 /* 88 * Additional IPX pcb-related types and variables. 89 */ 90 LIST_HEAD(ipxpcbhead, ipxpcb); 91 extern struct ipxpcbhead ipxpcb_list; 92 extern struct ipxpcbhead ipxrawpcb_list; 93 94 #ifdef _KERNEL 95 extern struct mtx ipxpcb_list_mtx; 96 #endif 97 98 /* 99 * IPX/SPX PCB flags. 100 */ 101 #define IPXP_IN_ABORT 0x1 /* Calling abort through socket. */ 102 #define IPXP_RAWIN 0x2 /* Show headers on input. */ 103 #define IPXP_RAWOUT 0x4 /* Show header on output. */ 104 #define IPXP_ALL_PACKETS 0x8 /* Turn off higher proto processing. */ 105 #define IPXP_CHECKSUM 0x10 /* Use checksum on this socket. */ 106 #define IPXP_DROPPED 0x20 /* Connection dropped. */ 107 #define IPXP_SPX 0x40 /* SPX PCB. */ 108 109 #define IPX_WILDCARD 1 110 111 #define ipxp_lport ipxp_laddr.x_port 112 #define ipxp_fport ipxp_faddr.x_port 113 114 #define sotoipxpcb(so) ((struct ipxpcb *)((so)->so_pcb)) 115 116 /* 117 * Nominal space allocated to an IPX socket. 118 */ 119 #define IPXSNDQ 16384 120 #define IPXRCVQ 40960 121 122 #ifdef _KERNEL 123 int ipx_pcballoc(struct socket *so, struct ipxpcbhead *head, 124 struct thread *p); 125 int ipx_pcbbind(struct ipxpcb *ipxp, struct sockaddr *nam, 126 struct thread *p); 127 int ipx_pcbconnect(struct ipxpcb *ipxp, struct sockaddr *nam, 128 struct thread *p); 129 void ipx_pcbdetach(struct ipxpcb *ipxp); 130 void ipx_pcbdisconnect(struct ipxpcb *ipxp); 131 void ipx_pcbfree(struct ipxpcb *ipxp); 132 struct ipxpcb *ipx_pcblookup(struct ipx_addr *faddr, u_short lport, int wildp); 133 void ipx_getpeeraddr(struct ipxpcb *ipxp, struct sockaddr **nam); 134 void ipx_getsockaddr(struct ipxpcb *ipxp, struct sockaddr **nam); 135 136 #define IPX_LIST_LOCK_INIT() mtx_init(&ipxpcb_list_mtx, "ipx_list_mtx", \ 137 NULL, MTX_DEF | MTX_RECURSE) 138 #define IPX_LIST_LOCK() mtx_lock(&ipxpcb_list_mtx) 139 #define IPX_LIST_UNLOCK() mtx_unlock(&ipxpcb_list_mtx) 140 #define IPX_LIST_LOCK_ASSERT() mtx_assert(&ipxpcb_list_mtx, MA_OWNED) 141 142 #define IPX_LOCK_INIT(ipx) mtx_init(&(ipx)->ipxp_mtx, "ipx_mtx", NULL, \ 143 MTX_DEF) 144 #define IPX_LOCK_DESTROY(ipx) mtx_destroy(&(ipx)->ipxp_mtx) 145 #define IPX_LOCK(ipx) mtx_lock(&(ipx)->ipxp_mtx) 146 #define IPX_UNLOCK(ipx) mtx_unlock(&(ipx)->ipxp_mtx) 147 #define IPX_LOCK_ASSERT(ipx) mtx_assert(&(ipx)->ipxp_mtx, MA_OWNED) 148 #endif /* _KERNEL */ 149 150 #endif /* !_NETIPX_IPX_PCB_H_ */ 151