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25b5bb4c1b
pointers and leave the stage queue flush routine to just do nothing (since both head and tail here will be NULL.) This should quieten the "stageq empty" panic where the stageq itself is empty, but it won't fix the second KASSERT() here "staging queue empty" as that's likely a different underlying problem. PR: kern/174283
138 lines
4.9 KiB
C
138 lines
4.9 KiB
C
/*-
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* Copyright (c) 2009 Sam Leffler, Errno Consulting
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _NET80211_IEEE80211_SUPERG_H_
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#define _NET80211_IEEE80211_SUPERG_H_
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/*
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* Atheros' 802.11 SuperG protocol support.
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*/
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/*
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* Atheros advanced capability information element.
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*/
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struct ieee80211_ath_ie {
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uint8_t ath_id; /* IEEE80211_ELEMID_VENDOR */
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uint8_t ath_len; /* length in bytes */
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uint8_t ath_oui[3]; /* ATH_OUI */
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uint8_t ath_oui_type; /* ATH_OUI_TYPE */
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uint8_t ath_oui_subtype; /* ATH_OUI_SUBTYPE */
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uint8_t ath_version; /* spec revision */
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uint8_t ath_capability; /* capability info */
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#define ATHEROS_CAP_TURBO_PRIME 0x01 /* dynamic turbo--aka Turbo' */
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#define ATHEROS_CAP_COMPRESSION 0x02 /* data compression */
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#define ATHEROS_CAP_FAST_FRAME 0x04 /* fast (jumbo) frames */
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#define ATHEROS_CAP_XR 0x08 /* Xtended Range support */
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#define ATHEROS_CAP_AR 0x10 /* Advanded Radar support */
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#define ATHEROS_CAP_BURST 0x20 /* Bursting - not negotiated */
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#define ATHEROS_CAP_WME 0x40 /* CWMin tuning */
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#define ATHEROS_CAP_BOOST 0x80 /* use turbo/!turbo mode */
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uint8_t ath_defkeyix[2];
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} __packed;
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#define ATH_OUI_VERSION 0x00
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#define ATH_OUI_SUBTYPE 0x01
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#ifdef _KERNEL
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struct ieee80211_stageq {
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struct mbuf *head; /* frames linked w/ m_nextpkt */
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struct mbuf *tail; /* last frame in queue */
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int depth; /* # items on head */
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};
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struct ieee80211_superg {
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/* fast-frames staging q */
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struct ieee80211_stageq ff_stageq[WME_NUM_AC];
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int ff_stageqdepth; /* cumulative depth */
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};
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void ieee80211_superg_attach(struct ieee80211com *);
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void ieee80211_superg_detach(struct ieee80211com *);
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void ieee80211_superg_vattach(struct ieee80211vap *);
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void ieee80211_superg_vdetach(struct ieee80211vap *);
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uint8_t *ieee80211_add_ath(uint8_t *, uint8_t, ieee80211_keyix);
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uint8_t *ieee80211_add_athcaps(uint8_t *, const struct ieee80211_node *);
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void ieee80211_parse_ath(struct ieee80211_node *, uint8_t *);
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int ieee80211_parse_athparams(struct ieee80211_node *, uint8_t *,
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const struct ieee80211_frame *);
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void ieee80211_ff_node_init(struct ieee80211_node *);
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void ieee80211_ff_node_cleanup(struct ieee80211_node *);
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struct mbuf *ieee80211_ff_check(struct ieee80211_node *, struct mbuf *);
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void ieee80211_ff_age(struct ieee80211com *, struct ieee80211_stageq *,
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int quanta);
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/*
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* See ieee80211_ff_age() for a description of the locking
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* expectation here.
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*/
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static __inline void
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ieee80211_ff_flush(struct ieee80211com *ic, int ac)
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{
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struct ieee80211_superg *sg = ic->ic_superg;
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if (sg != NULL && sg->ff_stageq[ac].depth)
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ieee80211_ff_age(ic, &sg->ff_stageq[ac], 0x7fffffff);
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}
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/*
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* See ieee80211_ff_age() for a description of the locking
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* expectation here.
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*/
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static __inline void
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ieee80211_ff_age_all(struct ieee80211com *ic, int quanta)
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{
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struct ieee80211_superg *sg = ic->ic_superg;
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if (sg != NULL && sg->ff_stageqdepth) {
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if (sg->ff_stageq[WME_AC_VO].depth)
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ieee80211_ff_age(ic, &sg->ff_stageq[WME_AC_VO], quanta);
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if (sg->ff_stageq[WME_AC_VI].depth)
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ieee80211_ff_age(ic, &sg->ff_stageq[WME_AC_VI], quanta);
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if (sg->ff_stageq[WME_AC_BE].depth)
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ieee80211_ff_age(ic, &sg->ff_stageq[WME_AC_BE], quanta);
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if (sg->ff_stageq[WME_AC_BK].depth)
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ieee80211_ff_age(ic, &sg->ff_stageq[WME_AC_BK], quanta);
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}
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}
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struct mbuf *ieee80211_ff_encap(struct ieee80211vap *, struct mbuf *,
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int, struct ieee80211_key *);
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struct mbuf *ieee80211_ff_decap(struct ieee80211_node *, struct mbuf *);
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static __inline struct mbuf *
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ieee80211_decap_fastframe(struct ieee80211vap *vap, struct ieee80211_node *ni,
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struct mbuf *m)
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{
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return IEEE80211_ATH_CAP(vap, ni, IEEE80211_NODE_FF) ?
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ieee80211_ff_decap(ni, m) : m;
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}
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#endif /* _KERNEL */
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#endif /* _NET80211_IEEE80211_SUPERG_H_ */
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