summaryrefslogtreecommitdiffstats
path: root/sys/netpfil/pf/pf_mtag.h
diff options
context:
space:
mode:
Diffstat (limited to 'sys/netpfil/pf/pf_mtag.h')
-rw-r--r--sys/netpfil/pf/pf_mtag.h62
1 files changed, 62 insertions, 0 deletions
diff --git a/sys/netpfil/pf/pf_mtag.h b/sys/netpfil/pf/pf_mtag.h
new file mode 100644
index 0000000..baff00a
--- /dev/null
+++ b/sys/netpfil/pf/pf_mtag.h
@@ -0,0 +1,62 @@
+/* $FreeBSD$ */
+/*
+ * Copyright (c) 2001 Daniel Hartmeier
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * - 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 COPYRIGHT HOLDERS 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
+ * COPYRIGHT HOLDERS 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.
+ *
+ */
+
+#ifndef _NET_PF_MTAG_H_
+#define _NET_PF_MTAG_H_
+
+#ifdef _KERNEL
+
+#define PF_TAG_GENERATED 0x01
+#define PF_TAG_FRAGCACHE 0x02
+#define PF_TAG_TRANSLATE_LOCALHOST 0x04
+#define PF_PACKET_LOOPED 0x08
+#define PF_FASTFWD_OURS_PRESENT 0x10
+
+struct pf_mtag {
+ void *hdr; /* saved hdr pos in mbuf, for ECN */
+ u_int32_t qid; /* queue id */
+ u_int16_t tag; /* tag id */
+ u_int8_t flags;
+ u_int8_t routed;
+};
+
+static __inline struct pf_mtag *
+pf_find_mtag(struct mbuf *m)
+{
+ struct m_tag *mtag;
+
+ if ((mtag = m_tag_find(m, PACKET_TAG_PF, NULL)) == NULL)
+ return (NULL);
+
+ return ((struct pf_mtag *)(mtag + 1));
+}
+#endif /* _KERNEL */
+#endif /* _NET_PF_MTAG_H_ */
OpenPOWER on IntegriCloud