1 files changed, 83 insertions, 0 deletions
diff --git a/sys/netinet/ip_divert.h b/sys/netinet/ip_divert.h
new file mode 100644
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--- /dev/null
+++ b/sys/netinet/ip_divert.h
@@ -0,0 +1,83 @@
+/*-
+ * Copyright (c) 2003 Sam Leffler, Errno Consulting
+ * 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,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
+ *    redistribution must be conditioned upon including a substantially
+ *    similar Disclaimer requirement for further binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _NETINET_IP_DIVERT_H_
+#define	_NETINET_IP_DIVERT_H_
+
+/*
+ * Divert socket definitions.
+ */
+
+struct divert_tag {
+	u_int32_t	info;		/* port & flags */
+	u_int16_t	cookie;		/* ipfw rule number */
+};
+
+/*
+ * Return the divert cookie associated with the mbuf; if any.
+ */
+static __inline u_int16_t
+divert_cookie(struct m_tag *mtag)
+{
+	return ((struct divert_tag *)(mtag+1))->cookie;
+}
+static __inline u_int16_t
+divert_find_cookie(struct mbuf *m)
+{
+	struct m_tag *mtag = m_tag_find(m, PACKET_TAG_DIVERT, NULL);
+	return mtag ? divert_cookie(mtag) : 0;
+}
+
+/*
+ * Return the divert info associated with the mbuf; if any.
+ */
+static __inline u_int32_t
+divert_info(struct m_tag *mtag)
+{
+	return ((struct divert_tag *)(mtag+1))->info;
+}
+static __inline u_int32_t
+divert_find_info(struct mbuf *m)
+{
+	struct m_tag *mtag = m_tag_find(m, PACKET_TAG_DIVERT, NULL);
+	return mtag ? divert_info(mtag) : 0;
+}
+
+extern	void div_init(void);
+extern	void div_input(struct mbuf *, int);
+extern	void div_ctlinput(int, struct sockaddr *, void *);
+extern	void divert_packet(struct mbuf *m, int incoming);
+extern	struct mbuf *divert_clone(struct mbuf *);
+extern struct pr_usrreqs div_usrreqs;
+#endif /* _NETINET_IP_DIVERT_H_ */