Netgraph node type for IEEE 802.1Q VLAN tagging.

1 files changed, 75 insertions, 0 deletions

diff --git a/sys/netgraph/ng_vlan.h b/sys/netgraph/ng_vlan.h
new file mode 100644
index 0000000..579e3ba
--- /dev/null
+++ b/sys/netgraph/ng_vlan.h
@@ -0,0 +1,75 @@
+/*-
+ * Copyright (c) 2003 IPNET Internet Communication Company
+ * 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.
+ *
+ * Author: Ruslan Ermilov <ru@FreeBSD.org>
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _NETGRAPH_NG_VLAN_H_
+#define	_NETGRAPH_NG_VLAN_H_
+
+/* Node type name and magic cookie. */
+#define	NG_VLAN_NODE_TYPE	"vlan"
+#define	NGM_VLAN_COOKIE		1068486472
+
+/* Hook names. */
+#define	NG_VLAN_HOOK_DOWNSTREAM	"downstream"
+#define	NG_VLAN_HOOK_NOMATCH	"nomatch"
+
+/* Netgraph commands. */
+enum {
+	NGM_VLAN_ADD_FILTER = 1,
+	NGM_VLAN_DEL_FILTER,
+	NGM_VLAN_GET_TABLE
+};
+
+/* For NGM_VLAN_ADD_FILTER control message. */
+struct ng_vlan_filter {
+	char		hook[NG_HOOKSIZ];
+	u_int16_t	vlan;
+};	
+
+/* Keep this in sync with the above structure definition.  */
+#define	NG_VLAN_FILTER_FIELDS	{				\
+	{ "hook",	&ng_parse_hookbuf_type  },		\
+	{ "vlan",	&ng_parse_uint16_type   },		\
+	{ NULL }						\
+}
+
+/* Structure returned by NGM_VLAN_GET_TABLE. */
+struct ng_vlan_table {
+	u_int32_t	n;
+	struct ng_vlan_filter filter[0];
+};
+
+/* Keep this in sync with the above structure definition. */
+#define	NG_VLAN_TABLE_FIELDS	{				\
+	{ "n",		&ng_parse_uint32_type },		\
+	{ "filter",	&ng_vlan_table_array_type },		\
+	{ NULL }						\
+}
+
+#endif /* _NETGRAPH_NG_VLAN_H_ */