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 191753 2009-05-02 20:16:55Z 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 */ 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 int ff_stageqdepth; /* cumulative depth */ 70 }; 71 72 void ieee80211_superg_attach(struct ieee80211com *); 73 void ieee80211_superg_detach(struct ieee80211com *); 74 void ieee80211_superg_vattach(struct ieee80211vap *); 75 void ieee80211_superg_vdetach(struct ieee80211vap *); 76 77 uint8_t *ieee80211_add_ath(uint8_t *, uint8_t, ieee80211_keyix); 78 uint8_t *ieee80211_add_athcaps(uint8_t *, const struct ieee80211_node *); 79 void ieee80211_parse_ath(struct ieee80211_node *, uint8_t *); 80 int ieee80211_parse_athparams(struct ieee80211_node *, uint8_t *, 81 const struct ieee80211_frame *); 82 83 void ieee80211_ff_node_init(struct ieee80211_node *); 84 void ieee80211_ff_node_cleanup(struct ieee80211_node *); 85 86 struct mbuf *ieee80211_ff_check(struct ieee80211_node *, struct mbuf *); 87 void ieee80211_ff_age(struct ieee80211com *, struct ieee80211_stageq *, 88 int quanta); 89 90 static __inline void 91 ieee80211_ff_flush(struct ieee80211com *ic, int ac) 92 { 93 struct ieee80211_superg *sg = ic->ic_superg; 94 95 if (sg != NULL && sg->ff_stageq[ac].depth) 96 ieee80211_ff_age(ic, &sg->ff_stageq[ac], 0x7fffffff); 97 } 98 99 static __inline void 100 ieee80211_ff_age_all(struct ieee80211com *ic, int quanta) 101 { 102 struct ieee80211_superg *sg = ic->ic_superg; 103 104 if (sg != NULL && sg->ff_stageqdepth) { 105 if (sg->ff_stageq[WME_AC_VO].depth) 106 ieee80211_ff_age(ic, &sg->ff_stageq[WME_AC_VO], quanta); 107 if (sg->ff_stageq[WME_AC_VI].depth) 108 ieee80211_ff_age(ic, &sg->ff_stageq[WME_AC_VI], quanta); 109 if (sg->ff_stageq[WME_AC_BE].depth) 110 ieee80211_ff_age(ic, &sg->ff_stageq[WME_AC_BE], quanta); 111 if (sg->ff_stageq[WME_AC_BK].depth) 112 ieee80211_ff_age(ic, &sg->ff_stageq[WME_AC_BK], quanta); 113 } 114 } 115 116 struct mbuf *ieee80211_ff_encap(struct ieee80211vap *, struct mbuf *, 117 int, struct ieee80211_key *); 118 119 struct mbuf *ieee80211_ff_decap(struct ieee80211_node *, struct mbuf *); 120 121 static __inline struct mbuf * 122 ieee80211_decap_fastframe(struct ieee80211vap *vap, struct ieee80211_node *ni, 123 struct mbuf *m) 124 { 125 return IEEE80211_ATH_CAP(vap, ni, IEEE80211_NODE_FF) ? 126 ieee80211_ff_decap(ni, m) : m; 127 } 128 #endif /* _KERNEL */ 129 #endif /* _NET80211_IEEE80211_SUPERG_H_ */ 130