FreeBSD/Linux Kernel Cross Reference
sys/netipx/ipx_pcb.h
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: src/sys/netipx/ipx_pcb.h,v 1.29 2007/05/11 10:38:34 rwatson Exp $
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
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