1 /* $NetBSD: portalgo.h,v 1.3 2022/10/28 05:18:39 ozaki-r 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; 37 int portalgo_randport(uint16_t *, struct inpcb *, 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 *, 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