Add a 'splitter' node to separate a bidirectional

packet flow into two unidirectional flows.

Part of a suite of nodes developed for packet flow control.
More to follow as I have time to port them to 5.x or
as others do so. The ipfw node will be the hardest..

Submitted by:	"Vitaly V. Belekhov" <vitaly@riss-telecom.ru>

1 files changed, 45 insertions, 0 deletions

diff --git a/sys/netgraph/ng_split.h b/sys/netgraph/ng_split.h
new file mode 100644
index 0000000..a8b66d5
--- /dev/null
+++ b/sys/netgraph/ng_split.h
@@ -0,0 +1,45 @@
+/*
+ *
+ * Copyright (c) 1999-2000, Vitaly V Belekhov
+ * 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 unmodified, 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.
+ *
+ * 	$FreeBSD$
+ *
+ */
+
+
+#ifndef _NG_SPLIT_H
+#define _NG_SPLIT_H
+
+/* Node type name and magic cookie */
+#define NG_SPLIT_NODE_TYPE		"ng_split"
+#define NGM_NG_SPLIT_COOKIE		949409402
+
+/* My hook names */
+#define NG_SPLIT_HOOK_MIXED       	"mixed"		/* Mixed stream (in/out) */
+#define NG_SPLIT_HOOK_OUTHOOK     	"out"		/* Output to outhook (sending out) */
+#define NG_SPLIT_HOOK_INHOOK	     	"in"		/* Input from inhook (recieving) */
+
+#endif /* _NG_SPLIT_H */