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portalgo.h revision 1.1.4.2 
      1  1.1.4.2  yamt /*	$NetBSD: portalgo.h,v 1.1.4.2 2012/10/30 17:22:46 yamt Exp $	*/
      2  1.1.4.2  yamt 
      3  1.1.4.2  yamt /*
      4  1.1.4.2  yamt  * Copyright 2011 Vlad Balan
      5  1.1.4.2  yamt  *
      6  1.1.4.2  yamt  * Written by Vlad Balan for the NetBSD Foundation.
      7  1.1.4.2  yamt  *
      8  1.1.4.2  yamt  * Redistribution and use in source and binary forms, with or without
      9  1.1.4.2  yamt  * modification, are permitted provided that the following conditions
     10  1.1.4.2  yamt  * are met:
     11  1.1.4.2  yamt  * 1. Redistributions of source code must retain the above copyright
     12  1.1.4.2  yamt  *    notice, this list of conditions and the following disclaimer.
     13  1.1.4.2  yamt  * 2. Redistributions in binary form must reproduce the above copyright
     14  1.1.4.2  yamt  *    notice, this list of conditions and the following disclaimer in the
     15  1.1.4.2  yamt  *    documentation and/or other materials provided with the distribution.
     16  1.1.4.2  yamt  *
     17  1.1.4.2  yamt  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     18  1.1.4.2  yamt  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     19  1.1.4.2  yamt  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     20  1.1.4.2  yamt  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     21  1.1.4.2  yamt  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     22  1.1.4.2  yamt  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     23  1.1.4.2  yamt  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     24  1.1.4.2  yamt  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     25  1.1.4.2  yamt  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     26  1.1.4.2  yamt  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     27  1.1.4.2  yamt  * SUCH DAMAGE.
     28  1.1.4.2  yamt  *
     29  1.1.4.2  yamt  */
     30  1.1.4.2  yamt #ifndef _NETINET_PORTALGO_H_
     31  1.1.4.2  yamt #define _NETINET_PORTALGO_H_
     32  1.1.4.2  yamt 
     33  1.1.4.2  yamt #ifdef _KERNEL
     34  1.1.4.2  yamt #include <sys/sysctl.h>
     35  1.1.4.2  yamt 
     36  1.1.4.2  yamt struct inpcb_hdr;
     37  1.1.4.2  yamt int portalgo_randport(uint16_t *, struct inpcb_hdr *, kauth_cred_t);
     38  1.1.4.2  yamt int sysctl_portalgo_selected(SYSCTLFN_ARGS);
     39  1.1.4.2  yamt int sysctl_portalgo_selected6(SYSCTLFN_ARGS);
     40  1.1.4.2  yamt int sysctl_portalgo_available(SYSCTLFN_ARGS);
     41  1.1.4.2  yamt int portalgo_algo_index_select(struct inpcb_hdr *, int);
     42  1.1.4.2  yamt 
     43  1.1.4.2  yamt #define	PORTALGO_MAXLEN       16
     44  1.1.4.2  yamt #endif /* _KERNEL */
     45  1.1.4.2  yamt 
     46  1.1.4.2  yamt /*
     47  1.1.4.2  yamt  * User-settable options (used with setsockopt).
     48  1.1.4.2  yamt  */
     49  1.1.4.2  yamt #define	PORTALGO_DEFAULT		0xffff
     50  1.1.4.2  yamt #define	PORTALGO_BSD			0
     51  1.1.4.2  yamt #define	PORTALGO_RANDOM_START		1
     52  1.1.4.2  yamt #define	PORTALGO_RANDOM_PICK		2
     53  1.1.4.2  yamt #define	PORTALGO_HASH			3
     54  1.1.4.2  yamt #define	PORTALGO_DOUBLEHASH		4
     55  1.1.4.2  yamt #define	PORTALGO_RANDINC		5
     56  1.1.4.2  yamt 
     57  1.1.4.2  yamt #endif /* !_NETINET_PORTALGO_H_ */
     58