1 /*- 2 * Copyright (c) 2003 Sam Leffler, Errno Consulting 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification. 11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 12 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any 13 * redistribution must be conditioned upon including a substantially 14 * similar Disclaimer requirement for further binary redistribution. 15 * 3. Neither the names of the above-listed copyright holders nor the names 16 * of any contributors may be used to endorse or promote products derived 17 * from this software without specific prior written permission. 18 * 19 * NO WARRANTY 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY 23 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 24 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, 25 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 28 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGES. 31 * 32 * $FreeBSD$ 33 */ 34 35 #ifndef _NETINET_IP_DIVERT_H_ 36 #define _NETINET_IP_DIVERT_H_ 37 38 /* 39 * divert has no custom kernel-userland API. 40 * 41 * All communication occurs through a sockaddr_in socket where 42 * 43 * kernel-->userland 44 * sin_port = matching rule, host format; 45 * sin_addr = IN: first address of the incoming interface; 46 * OUT: INADDR_ANY 47 * sin_zero = if fits, the interface name (max 7 bytes + NUL) 48 * 49 * userland->kernel 50 * sin_port = restart-rule - 1, host order 51 * (we restart at sin_port + 1) 52 * sin_addr = IN: address of the incoming interface; 53 * OUT: INADDR_ANY 54 */ 55 #endif /* _NETINET_IP_DIVERT_H_ */ 56