sys/netgraph7/ng_ipfw.h

   1 /*-
   2  * Copyright 2005, Gleb Smirnoff <glebius@FreeBSD.org>
   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  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD: src/sys/netgraph/ng_ipfw.h,v 1.2 2006/02/17 09:42:49 glebius Exp $
  27  * $DragonFly: src/sys/netgraph7/ng_ipfw.h,v 1.2 2008/06/26 23:05:35 dillon Exp $
  28  */
  29
  30 #define NG_IPFW_NODE_TYPE    "ipfw"
  31 #define NGM_IPFW_COOKIE      1105988990
  32
  33 #ifdef _KERNEL
  34
  35 typedef int ng_ipfw_input_t(struct mbuf **, int, struct ip_fw_args *, int);
  36 extern  ng_ipfw_input_t *ng_ipfw_input_p;
  37 #define NG_IPFW_LOADED  (ng_ipfw_input_p != NULL)
  38
  39 struct ng_ipfw_tag {
  40         struct m_tag    mt;             /* tag header */
  41         struct ip_fw    *rule;          /* matching rule */
  42         struct ifnet    *ifp;           /* interface, for ip_output */
  43         int             dir;
  44 #define NG_IPFW_OUT     0
  45 #define NG_IPFW_IN      1
  46 };
  47
  48 #define TAGSIZ  (sizeof(struct ng_ipfw_tag) - sizeof(struct m_tag))
  49
  50 #endif /* _KERNEL */