1 | /* $NetBSD: portalgo.h,v 1.2 2012/11/29 02:07:20 christos Exp $ */ |
2 | |
3 | /* |
4 | * Copyright 2011 Vlad Balan |
5 | * |
6 | * Written by Vlad Balan for the NetBSD Foundation. |
7 | * |
8 | * Redistribution and use in source and binary forms, with or without |
9 | * modification, are permitted provided that the following conditions |
10 | * are met: |
11 | * 1. Redistributions of source code must retain the above copyright |
12 | * notice, this list of conditions and the following disclaimer. |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
14 | * notice, this list of conditions and the following disclaimer in the |
15 | * documentation and/or other materials provided with the distribution. |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
27 | * SUCH DAMAGE. |
28 | * |
29 | */ |
30 | #ifndef _NETINET_PORTALGO_H_ |
31 | #define _NETINET_PORTALGO_H_ |
32 | |
33 | #ifdef _KERNEL |
34 | #include <sys/sysctl.h> |
35 | |
36 | struct inpcb_hdr; |
37 | int portalgo_randport(uint16_t *, struct inpcb_hdr *, kauth_cred_t); |
38 | int sysctl_portalgo_selected4(SYSCTLFN_ARGS); |
39 | int sysctl_portalgo_selected6(SYSCTLFN_ARGS); |
40 | int sysctl_portalgo_reserve4(SYSCTLFN_ARGS); |
41 | int sysctl_portalgo_reserve6(SYSCTLFN_ARGS); |
42 | int sysctl_portalgo_available(SYSCTLFN_ARGS); |
43 | int portalgo_algo_index_select(struct inpcb_hdr *, int); |
44 | |
45 | #define PORTALGO_MAXLEN 16 |
46 | #endif /* _KERNEL */ |
47 | |
48 | /* |
49 | * User-settable options (used with setsockopt). |
50 | */ |
51 | #define PORTALGO_DEFAULT 0xffff |
52 | #define PORTALGO_BSD 0 |
53 | #define PORTALGO_RANDOM_START 1 |
54 | #define PORTALGO_RANDOM_PICK 2 |
55 | #define PORTALGO_HASH 3 |
56 | #define PORTALGO_DOUBLEHASH 4 |
57 | #define PORTALGO_RANDINC 5 |
58 | |
59 | #endif /* !_NETINET_PORTALGO_H_ */ |
60 | |