1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2001 Daniel Hartmeier
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 *    - Redistributions of source code must retain the above copyright
12 *      notice, this list of conditions and the following disclaimer.
13 *    - Redistributions in binary form must reproduce the above
14 *      copyright notice, this list of conditions and the following
15 *      disclaimer in the documentation and/or other materials provided
16 *      with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
21 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
22 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
26 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
28 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 *
31 */
32
33#ifndef _NET_PF_MTAG_H_
34#define _NET_PF_MTAG_H_
35
36#ifdef _KERNEL
37
38/* pf_mtag -> flags */
39#define	PF_MTAG_FLAG_ROUTE_TO			0x01
40#define	PF_MTAG_FLAG_DUMMYNET			0x02
41#define	PF_MTAG_FLAG_TRANSLATE_LOCALHOST	0x04
42#define	PF_MTAG_FLAG_PACKET_LOOPED		0x08
43#define	PF_MTAG_FLAG_FASTFWD_OURS_PRESENT	0x10
44#define	PF_MTAG_FLAG_DUMMYNETED			0x20
45#define	PF_MTAG_FLAG_DUPLICATED			0x40
46#define	PF_MTAG_FLAG_SYNCOOKIE_RECREATED	0x80
47
48struct pf_mtag {
49	void		*hdr;		/* saved hdr pos in mbuf, for ECN */
50	u_int16_t	 qid;		/* queue id */
51	u_int32_t	 qid_hash;	/* queue hashid used by WFQ like algos */
52	u_int16_t	 tag;		/* tag id */
53	u_int8_t	 flags;
54	u_int8_t	 routed;
55	u_int16_t	 dnpipe;
56	u_int32_t	 dnflags;
57	u_int16_t	 if_index;	/* For ROUTE_TO */
58	u_int16_t	 if_idxgen;	/* For ROUTE_TO */
59	struct sockaddr_storage	dst;	/* For ROUTE_TO */
60};
61
62static __inline struct pf_mtag *
63pf_find_mtag(struct mbuf *m)
64{
65	struct m_tag	*mtag;
66
67	if ((mtag = m_tag_find(m, PACKET_TAG_PF, NULL)) == NULL)
68		return (NULL);
69
70	return ((struct pf_mtag *)(mtag + 1));
71}
72#endif /* _KERNEL */
73#endif /* _NET_PF_MTAG_H_ */
74