ieee80211_superg.h revision 190579
1/*-
2 * Copyright (c) 2009 Sam Leffler, Errno Consulting
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 * $FreeBSD: head/sys/net80211/ieee80211_superg.h 190579 2009-03-30 21:53:27Z sam $
26 */
27#ifndef _NET80211_IEEE80211_SUPERG_H_
28#define _NET80211_IEEE80211_SUPERG_H_
29
30/*
31 * Atheros' 802.11 SuperG protocol support.
32 */
33
34/*
35 * Atheros advanced capability information element.
36 */
37struct ieee80211_ath_ie {
38	uint8_t		ath_id;			/* IEEE80211_ELEMID_VENDOR */
39	uint8_t		ath_len;		/* length in bytes */
40	uint8_t		ath_oui[3];		/* ATH_OUI */
41	uint8_t		ath_oui_type;		/* ATH_OUI_TYPE */
42	uint8_t		ath_oui_subtype;	/* ATH_OUI_SUBTYPE */
43	uint8_t		ath_version;		/* spec revision */
44	uint8_t		ath_capability;		/* capability info */
45#define	ATHEROS_CAP_TURBO_PRIME		0x01	/* dynamic turbo--aka Turbo' */
46#define	ATHEROS_CAP_COMPRESSION		0x02	/* data compression */
47#define	ATHEROS_CAP_FAST_FRAME		0x04	/* fast (jumbo) frames */
48#define	ATHEROS_CAP_XR			0x08	/* Xtended Range support */
49#define	ATHEROS_CAP_AR			0x10	/* Advanded Radar support */
50#define	ATHEROS_CAP_BURST		0x20	/* Bursting - not negotiated */
51#define	ATHEROS_CAP_WME			0x40	/* CWMin tuning */
52#define	ATHEROS_CAP_BOOST		0x80	/* use turbo/!turbo mode */
53	uint8_t		ath_defkeyix[2];
54} __packed;
55
56#define	ATH_OUI_VERSION		0x00
57#define	ATH_OUI_SUBTYPE		0x01
58
59#ifdef _KERNEL
60void	ieee80211_superg_attach(struct ieee80211com *);
61void	ieee80211_superg_detach(struct ieee80211com *);
62void	ieee80211_superg_vattach(struct ieee80211vap *);
63void	ieee80211_superg_vdetach(struct ieee80211vap *);
64
65uint8_t *ieee80211_add_ath(uint8_t *, uint8_t, ieee80211_keyix);
66uint8_t *ieee80211_add_athcaps(uint8_t *, const struct ieee80211_node *);
67void	ieee80211_parse_ath(struct ieee80211_node *, uint8_t *);
68int	ieee80211_parse_athparams(struct ieee80211_node *, uint8_t *,
69	    const struct ieee80211_frame *);
70
71void	ieee80211_ff_node_init(struct ieee80211_node *);
72void	ieee80211_ff_node_cleanup(struct ieee80211_node *);
73
74struct mbuf *ieee80211_ff_check(struct ieee80211_node *, struct mbuf *);
75void	ieee80211_ff_age(struct ieee80211com *, struct ieee80211_stageq *, int);
76
77static __inline void
78ieee80211_flush_stageq(struct ieee80211com *ic, int ac)
79{
80	if (ic->ic_ff_stageq[ac].depth)
81		ieee80211_ff_age(ic, &ic->ic_ff_stageq[ac], 0x7fffffff);
82}
83
84static __inline void
85ieee80211_age_stageq(struct ieee80211com *ic, int ac, int quanta)
86{
87	if (ic->ic_ff_stageq[ac].depth)
88		ieee80211_ff_age(ic, &ic->ic_ff_stageq[ac], quanta);
89}
90
91struct mbuf *ieee80211_ff_encap(struct ieee80211vap *, struct mbuf *,
92	    int, struct ieee80211_key *);
93
94struct mbuf *ieee80211_ff_decap(struct ieee80211_node *, struct mbuf *);
95
96static __inline struct mbuf *
97ieee80211_decap_fastframe(struct ieee80211vap *vap, struct ieee80211_node *ni,
98    struct mbuf *m)
99{
100	return IEEE80211_ATH_CAP(vap, ni, IEEE80211_NODE_FF) ?
101	    ieee80211_ff_decap(ni, m) : m;
102}
103#endif /* _KERNEL */
104#endif /* _NET80211_IEEE80211_SUPERG_H_ */
105