portalgo.h revision 1.1
1/* $NetBSD: portalgo.h,v 1.1 2012/06/25 15:28:39 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 36struct inpcb_hdr; 37int portalgo_randport(uint16_t *, struct inpcb_hdr *, kauth_cred_t); 38int sysctl_portalgo_selected(SYSCTLFN_ARGS); 39int sysctl_portalgo_selected6(SYSCTLFN_ARGS); 40int sysctl_portalgo_available(SYSCTLFN_ARGS); 41int portalgo_algo_index_select(struct inpcb_hdr *, int); 42 43#define PORTALGO_MAXLEN 16 44#endif /* _KERNEL */ 45 46/* 47 * User-settable options (used with setsockopt). 48 */ 49#define PORTALGO_DEFAULT 0xffff 50#define PORTALGO_BSD 0 51#define PORTALGO_RANDOM_START 1 52#define PORTALGO_RANDOM_PICK 2 53#define PORTALGO_HASH 3 54#define PORTALGO_DOUBLEHASH 4 55#define PORTALGO_RANDINC 5 56 57#endif /* !_NETINET_PORTALGO_H_ */ 58