xref: /freebsd/sys/netinet/in_pcb_var.h (revision 6bfca4dcab07dad45a805879d954876b353c0810)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1982, 1986, 1990, 1993
5  *	The Regents of the University of California.
6  * Copyright (c) 2010-2011 Juniper Networks, Inc.
7  * All rights reserved.
8  *
9  * Portions of this software were developed by Robert N. M. Watson under
10  * contract to Juniper Networks, Inc.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  * 3. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  */
36 
37 #ifndef _NETINET_IN_PCB_VAR_H_
38 #define _NETINET_IN_PCB_VAR_H_
39 
40 /*
41  * Definitions shared between netinet/in_pcb.c and netinet6/in6_pcb.c
42  */
43 
44 VNET_DECLARE(uint32_t, in_pcbhashseed);
45 #define	V_in_pcbhashseed	VNET(in_pcbhashseed)
46 
47 void	inp_lock(struct inpcb *inp, const inp_lookup_t lock);
48 void	inp_unlock(struct inpcb *inp, const inp_lookup_t lock);
49 int	inp_trylock(struct inpcb *inp, const inp_lookup_t lock);
50 bool	inp_smr_lock(struct inpcb *, const inp_lookup_t);
51 int	in_pcb_lport(struct inpcb *, struct in_addr *, u_short *,
52 	    struct ucred *, int);
53 int	in_pcb_lport_dest(struct inpcb *inp, struct sockaddr *lsa,
54             u_short *lportp, struct sockaddr *fsa, u_short fport,
55             struct ucred *cred, int lookupflags);
56 struct inpcb *	in_pcblookup_local(struct inpcbinfo *, struct in_addr, u_short,
57 	    int, struct ucred *);
58 
59 struct inpcbport {
60 	struct inpcbhead phd_pcblist;
61 	CK_LIST_ENTRY(inpcbport) phd_hash;
62 	u_short phd_port;
63 };
64 
65 #endif /* !_NETINET_IN_PCB_VAR_H_ */
66