freebsd-skq/sys/netgraph/ng_ipfw.h
glebius 67c8ae0802 Add a ng_ipfw node, implementing a quick and simple interface between
ipfw(4) and netgraph(4) facilities.

Reviewed by:	andre, brooks, julian
2005-02-05 12:06:33 +00:00

51 lines
2.0 KiB
C

/*-
* Copyright 2005, Gleb Smirnoff <glebius@FreeBSD.org>
* All rights reserved.
*
* 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 AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
#define NG_IPFW_NODE_TYPE "ipfw"
#define NGM_IPFW_COOKIE 1105988990
#ifdef _KERNEL
typedef int ng_ipfw_input_t(struct mbuf **, int, struct ip_fw_args *, int);
extern ng_ipfw_input_t *ng_ipfw_input_p;
#define NG_IPFW_LOADED (ng_ipfw_input_p != NULL)
struct ng_ipfw_tag {
struct m_tag mt; /* tag header */
struct ip_fw *rule; /* matching rule */
struct ifnet *ifp; /* interface, for ip_output */
int dir;
#define NG_IPFW_OUT 0
#define NG_IPFW_IN 1
int flags; /* flags, for ip_output (IPv6 ?) */
};
#define TAGSIZ (sizeof(struct ng_ipfw_tag) - sizeof(struct m_tag))
#endif /* _KERNEL */