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/*-
* Copyright (c) 2009 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.
* 2. 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 AUTHOR ``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 AUTHOR 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.
*
* $FreeBSD: release/9.1.0/sys/net80211/ieee80211_superg.h 191753 2009-05-02 20:16:55Z sam $
*/
#ifndef _NET80211_IEEE80211_SUPERG_H_
#define _NET80211_IEEE80211_SUPERG_H_
/*
* Atheros' 802.11 SuperG protocol support.
*/
/*
* Atheros advanced capability information element.
*/
struct ieee80211_ath_ie {
uint8_t ath_id; /* IEEE80211_ELEMID_VENDOR */
uint8_t ath_len; /* length in bytes */
uint8_t ath_oui[3]; /* ATH_OUI */
uint8_t ath_oui_type; /* ATH_OUI_TYPE */
uint8_t ath_oui_subtype; /* ATH_OUI_SUBTYPE */
uint8_t ath_version; /* spec revision */
uint8_t ath_capability; /* capability info */
#define ATHEROS_CAP_TURBO_PRIME 0x01 /* dynamic turbo--aka Turbo' */
#define ATHEROS_CAP_COMPRESSION 0x02 /* data compression */
#define ATHEROS_CAP_FAST_FRAME 0x04 /* fast (jumbo) frames */
#define ATHEROS_CAP_XR 0x08 /* Xtended Range support */
#define ATHEROS_CAP_AR 0x10 /* Advanded Radar support */
#define ATHEROS_CAP_BURST 0x20 /* Bursting - not negotiated */
#define ATHEROS_CAP_WME 0x40 /* CWMin tuning */
#define ATHEROS_CAP_BOOST 0x80 /* use turbo/!turbo mode */
uint8_t ath_defkeyix[2];
} __packed;
#define ATH_OUI_VERSION 0x00
#define ATH_OUI_SUBTYPE 0x01
#ifdef _KERNEL
struct ieee80211_stageq {
struct mbuf *head; /* frames linked w/ m_nextpkt */
struct mbuf *tail; /* last frame in queue */
int depth; /* # items on head */
};
struct ieee80211_superg {
/* fast-frames staging q */
struct ieee80211_stageq ff_stageq[WME_NUM_AC];
int ff_stageqdepth; /* cumulative depth */
};
void ieee80211_superg_attach(struct ieee80211com *);
void ieee80211_superg_detach(struct ieee80211com *);
void ieee80211_superg_vattach(struct ieee80211vap *);
void ieee80211_superg_vdetach(struct ieee80211vap *);
uint8_t *ieee80211_add_ath(uint8_t *, uint8_t, ieee80211_keyix);
uint8_t *ieee80211_add_athcaps(uint8_t *, const struct ieee80211_node *);
void ieee80211_parse_ath(struct ieee80211_node *, uint8_t *);
int ieee80211_parse_athparams(struct ieee80211_node *, uint8_t *,
const struct ieee80211_frame *);
void ieee80211_ff_node_init(struct ieee80211_node *);
void ieee80211_ff_node_cleanup(struct ieee80211_node *);
struct mbuf *ieee80211_ff_check(struct ieee80211_node *, struct mbuf *);
void ieee80211_ff_age(struct ieee80211com *, struct ieee80211_stageq *,
int quanta);
static __inline void
ieee80211_ff_flush(struct ieee80211com *ic, int ac)
{
struct ieee80211_superg *sg = ic->ic_superg;
if (sg != NULL && sg->ff_stageq[ac].depth)
ieee80211_ff_age(ic, &sg->ff_stageq[ac], 0x7fffffff);
}
static __inline void
ieee80211_ff_age_all(struct ieee80211com *ic, int quanta)
{
struct ieee80211_superg *sg = ic->ic_superg;
if (sg != NULL && sg->ff_stageqdepth) {
if (sg->ff_stageq[WME_AC_VO].depth)
ieee80211_ff_age(ic, &sg->ff_stageq[WME_AC_VO], quanta);
if (sg->ff_stageq[WME_AC_VI].depth)
ieee80211_ff_age(ic, &sg->ff_stageq[WME_AC_VI], quanta);
if (sg->ff_stageq[WME_AC_BE].depth)
ieee80211_ff_age(ic, &sg->ff_stageq[WME_AC_BE], quanta);
if (sg->ff_stageq[WME_AC_BK].depth)
ieee80211_ff_age(ic, &sg->ff_stageq[WME_AC_BK], quanta);
}
}
struct mbuf *ieee80211_ff_encap(struct ieee80211vap *, struct mbuf *,
int, struct ieee80211_key *);
struct mbuf *ieee80211_ff_decap(struct ieee80211_node *, struct mbuf *);
static __inline struct mbuf *
ieee80211_decap_fastframe(struct ieee80211vap *vap, struct ieee80211_node *ni,
struct mbuf *m)
{
return IEEE80211_ATH_CAP(vap, ni, IEEE80211_NODE_FF) ?
ieee80211_ff_decap(ni, m) : m;
}
#endif /* _KERNEL */
#endif /* _NET80211_IEEE80211_SUPERG_H_ */