| 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 | |