3 * Copyright (c) 2001 Daniel Hartmeier
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * - Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * - Redistributions in binary form must reproduce the above
13 * copyright notice, this list of conditions and the following
14 * disclaimer in the documentation and/or other materials provided
15 * with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
20 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
21 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
27 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
32 #ifndef _NET_PF_MTAG_H_
33 #define _NET_PF_MTAG_H_
37 #define PF_TAG_GENERATED 0x01
38 #define PF_TAG_FRAGCACHE 0x02
39 #define PF_TAG_TRANSLATE_LOCALHOST 0x04
42 void *hdr; /* saved hdr pos in mbuf, for ECN */
43 u_int rtableid; /* alternate routing table id */
44 u_int32_t qid; /* queue id */
45 u_int16_t tag; /* tag id */
48 sa_family_t af; /* for ECN */
51 static __inline struct pf_mtag *pf_find_mtag(struct mbuf *);
52 static __inline struct pf_mtag *pf_get_mtag(struct mbuf *);
54 static __inline struct pf_mtag *
55 pf_find_mtag(struct mbuf *m)
59 if ((mtag = m_tag_find(m, PACKET_TAG_PF, NULL)) == NULL)
62 return ((struct pf_mtag *)(mtag + 1));
65 static __inline struct pf_mtag *
66 pf_get_mtag(struct mbuf *m)
70 if ((mtag = m_tag_find(m, PACKET_TAG_PF, NULL)) == NULL) {
71 mtag = m_tag_get(PACKET_TAG_PF, sizeof(struct pf_mtag),
75 bzero(mtag + 1, sizeof(struct pf_mtag));
76 m_tag_prepend(m, mtag);
79 return ((struct pf_mtag *)(mtag + 1));
82 #endif /* _NET_PF_MTAG_H_ */