NetBSD/sys/netinet/portalgo.h

60 lines
2.2 KiB
C

/* $NetBSD: portalgo.h,v 1.3 2022/10/28 05:18:39 ozaki-r Exp $ */
/*
* Copyright 2011 Vlad Balan
*
* Written by Vlad Balan for the NetBSD Foundation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#ifndef _NETINET_PORTALGO_H_
#define _NETINET_PORTALGO_H_
#ifdef _KERNEL
#include <sys/sysctl.h>
struct inpcb;
int portalgo_randport(uint16_t *, struct inpcb *, kauth_cred_t);
int sysctl_portalgo_selected4(SYSCTLFN_ARGS);
int sysctl_portalgo_selected6(SYSCTLFN_ARGS);
int sysctl_portalgo_reserve4(SYSCTLFN_ARGS);
int sysctl_portalgo_reserve6(SYSCTLFN_ARGS);
int sysctl_portalgo_available(SYSCTLFN_ARGS);
int portalgo_algo_index_select(struct inpcb *, int);
#define PORTALGO_MAXLEN 16
#endif /* _KERNEL */
/*
* User-settable options (used with setsockopt).
*/
#define PORTALGO_DEFAULT 0xffff
#define PORTALGO_BSD 0
#define PORTALGO_RANDOM_START 1
#define PORTALGO_RANDOM_PICK 2
#define PORTALGO_HASH 3
#define PORTALGO_DOUBLEHASH 4
#define PORTALGO_RANDINC 5
#endif /* !_NETINET_PORTALGO_H_ */