The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/net80211/ieee80211_superg.h

Version: -  FREEBSD  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-2  -  FREEBSD-11-1  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-4  -  FREEBSD-10-3  -  FREEBSD-10-2  -  FREEBSD-10-1  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-3  -  FREEBSD-9-2  -  FREEBSD-9-1  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-4  -  FREEBSD-8-3  -  FREEBSD-8-2  -  FREEBSD-8-1  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-4  -  FREEBSD-7-3  -  FREEBSD-7-2  -  FREEBSD-7-1  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-4  -  FREEBSD-6-3  -  FREEBSD-6-2  -  FREEBSD-6-1  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-5  -  FREEBSD-5-4  -  FREEBSD-5-3  -  FREEBSD-5-2  -  FREEBSD-5-1  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  linux-2.6  -  linux-2.4.22  -  MK83  -  MK84  -  PLAN9  -  DFBSD  -  NETBSD  -  NETBSD5  -  NETBSD4  -  NETBSD3  -  NETBSD20  -  OPENBSD  -  xnu-517  -  xnu-792  -  xnu-792.6.70  -  xnu-1228  -  xnu-1456.1.26  -  xnu-1699.24.8  -  xnu-2050.18.24  -  OPENSOLARIS  -  minix-3-1-1 
SearchContext: -  none  -  3  -  10 

    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: releng/11.0/sys/net80211/ieee80211_superg.h 302283 2016-06-29 17:25:46Z avos $
   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  */
   37 struct 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
   60 struct ieee80211_stageq {
   61         struct mbuf             *head;          /* frames linked w/ m_nextpkt */
   62         struct mbuf             *tail;          /* last frame in queue */
   63         int                     depth;          /* # items on head */
   64 };
   65 
   66 struct ieee80211_superg {
   67         /* fast-frames staging q */
   68         struct ieee80211_stageq ff_stageq[WME_NUM_AC];
   69 };
   70 
   71 void    ieee80211_superg_attach(struct ieee80211com *);
   72 void    ieee80211_superg_detach(struct ieee80211com *);
   73 void    ieee80211_superg_vattach(struct ieee80211vap *);
   74 void    ieee80211_superg_vdetach(struct ieee80211vap *);
   75 
   76 uint8_t *ieee80211_add_ath(uint8_t *, uint8_t, ieee80211_keyix);
   77 uint8_t *ieee80211_add_athcaps(uint8_t *, const struct ieee80211_node *);
   78 void    ieee80211_parse_ath(struct ieee80211_node *, uint8_t *);
   79 int     ieee80211_parse_athparams(struct ieee80211_node *, uint8_t *,
   80             const struct ieee80211_frame *);
   81 
   82 void    ieee80211_ff_node_init(struct ieee80211_node *);
   83 void    ieee80211_ff_node_cleanup(struct ieee80211_node *);
   84 
   85 static inline int
   86 ieee80211_amsdu_tx_ok(struct ieee80211_node *ni)
   87 {
   88 
   89         /* First: software A-MSDU transmit? */
   90         if ((ni->ni_ic->ic_caps & IEEE80211_C_SWAMSDUTX) == 0)
   91                 return (0);
   92 
   93         /* Next: does the VAP have AMSDU TX enabled? */
   94         if ((ni->ni_vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) == 0)
   95                 return (0);
   96 
   97         /* Next: 11n node? (assumed that A-MSDU TX to HT nodes is ok */
   98         if ((ni->ni_flags & IEEE80211_NODE_HT) == 0)
   99                 return (0);
  100 
  101         /* ok, we can at least /do/ AMSDU to this node */
  102         return (1);
  103 }
  104 
  105 struct mbuf * ieee80211_amsdu_check(struct ieee80211_node *ni, struct mbuf *m);
  106 struct mbuf *ieee80211_ff_check(struct ieee80211_node *, struct mbuf *);
  107 void    ieee80211_ff_age(struct ieee80211com *, struct ieee80211_stageq *,
  108              int quanta);
  109 
  110 static __inline void
  111 ieee80211_ff_age_all(struct ieee80211com *ic, int quanta)
  112 {
  113         struct ieee80211_superg *sg = ic->ic_superg;
  114 
  115         if (sg != NULL) {
  116                 ieee80211_ff_age(ic, &sg->ff_stageq[WME_AC_VO], quanta);
  117                 ieee80211_ff_age(ic, &sg->ff_stageq[WME_AC_VI], quanta);
  118                 ieee80211_ff_age(ic, &sg->ff_stageq[WME_AC_BE], quanta);
  119                 ieee80211_ff_age(ic, &sg->ff_stageq[WME_AC_BK], quanta);
  120         }
  121 }
  122 
  123 static __inline void
  124 ieee80211_ff_flush(struct ieee80211com *ic, int ac)
  125 {
  126         struct ieee80211_superg *sg = ic->ic_superg;
  127 
  128         if (sg != NULL)
  129                 ieee80211_ff_age(ic, &sg->ff_stageq[ac], 0x7fffffff);
  130 }
  131 
  132 static __inline void
  133 ieee80211_ff_flush_all(struct ieee80211com *ic)
  134 {
  135         ieee80211_ff_age_all(ic, 0x7fffffff);
  136 }
  137 
  138 struct mbuf *ieee80211_ff_encap(struct ieee80211vap *, struct mbuf *,
  139             int, struct ieee80211_key *);
  140 struct mbuf * ieee80211_amsdu_encap(struct ieee80211vap *vap, struct mbuf *m1,
  141             int hdrspace, struct ieee80211_key *key);
  142 
  143 struct mbuf *ieee80211_ff_decap(struct ieee80211_node *, struct mbuf *);
  144 
  145 static __inline struct mbuf *
  146 ieee80211_decap_fastframe(struct ieee80211vap *vap, struct ieee80211_node *ni,
  147     struct mbuf *m)
  148 {
  149         return IEEE80211_ATH_CAP(vap, ni, IEEE80211_NODE_FF) ?
  150             ieee80211_ff_decap(ni, m) : m;
  151 }
  152 #endif /* _KERNEL */
  153 #endif /* _NET80211_IEEE80211_SUPERG_H_ */

Cache object: 601628b985885855149b262fc330f40d


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.