Add a ng_ipfw node, implementing a quick and simple interface between

ipfw(4) and netgraph(4) facilities.

Reviewed by:	andre, brooks, julian

1 files changed, 50 insertions, 0 deletions

diff --git a/sys/netgraph/ng_ipfw.h b/sys/netgraph/ng_ipfw.h
new file mode 100644
index 0000000..e2ff698
--- /dev/null
+++ b/sys/netgraph/ng_ipfw.h
@@ -0,0 +1,50 @@
+/*-
+ * 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 */