1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2009 Sam Leffler, Errno Consulting 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 * $FreeBSD$ 28 */ 29 #ifndef _NET80211_IEEE80211_SUPERG_H_ 30 #define _NET80211_IEEE80211_SUPERG_H_ 31 32 /* 33 * Atheros' 802.11 SuperG protocol support. 34 */ 35 36 /* 37 * Atheros advanced capability information element. 38 */ 39 struct ieee80211_ath_ie { 40 uint8_t ath_id; /* IEEE80211_ELEMID_VENDOR */ 41 uint8_t ath_len; /* length in bytes */ 42 uint8_t ath_oui[3]; /* ATH_OUI */ 43 uint8_t ath_oui_type; /* ATH_OUI_TYPE */ 44 uint8_t ath_oui_subtype; /* ATH_OUI_SUBTYPE */ 45 uint8_t ath_version; /* spec revision */ 46 uint8_t ath_capability; /* capability info */ 47 #define ATHEROS_CAP_TURBO_PRIME 0x01 /* dynamic turbo--aka Turbo' */ 48 #define ATHEROS_CAP_COMPRESSION 0x02 /* data compression */ 49 #define ATHEROS_CAP_FAST_FRAME 0x04 /* fast (jumbo) frames */ 50 #define ATHEROS_CAP_XR 0x08 /* Xtended Range support */ 51 #define ATHEROS_CAP_AR 0x10 /* Advanded Radar support */ 52 #define ATHEROS_CAP_BURST 0x20 /* Bursting - not negotiated */ 53 #define ATHEROS_CAP_WME 0x40 /* CWMin tuning */ 54 #define ATHEROS_CAP_BOOST 0x80 /* use turbo/!turbo mode */ 55 uint8_t ath_defkeyix[2]; 56 } __packed; 57 58 #define ATH_OUI_VERSION 0x00 59 #define ATH_OUI_SUBTYPE 0x01 60 61 #ifdef _KERNEL 62 struct ieee80211_stageq { 63 struct mbuf *head; /* frames linked w/ m_nextpkt */ 64 struct mbuf *tail; /* last frame in queue */ 65 int depth; /* # items on head */ 66 }; 67 68 struct ieee80211_superg { 69 /* fast-frames staging q */ 70 struct ieee80211_stageq ff_stageq[WME_NUM_AC]; 71 /* flush queues automatically */ 72 struct timeout_task ff_qtimer; 73 }; 74 75 void ieee80211_superg_attach(struct ieee80211com *); 76 void ieee80211_superg_detach(struct ieee80211com *); 77 void ieee80211_superg_vattach(struct ieee80211vap *); 78 void ieee80211_superg_vdetach(struct ieee80211vap *); 79 80 uint8_t *ieee80211_add_ath(uint8_t *, uint8_t, ieee80211_keyix); 81 uint8_t *ieee80211_add_athcaps(uint8_t *, const struct ieee80211_node *); 82 void ieee80211_parse_ath(struct ieee80211_node *, uint8_t *); 83 int ieee80211_parse_athparams(struct ieee80211_node *, uint8_t *, 84 const struct ieee80211_frame *); 85 86 void ieee80211_ff_node_init(struct ieee80211_node *); 87 void ieee80211_ff_node_cleanup(struct ieee80211_node *); 88 89 static inline int 90 ieee80211_amsdu_tx_ok(struct ieee80211_node *ni) 91 { 92 93 /* First: software A-MSDU transmit? */ 94 if ((ni->ni_ic->ic_caps & IEEE80211_C_SWAMSDUTX) == 0) 95 return (0); 96 97 /* Next: does the VAP have AMSDU TX enabled? */ 98 if ((ni->ni_vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) == 0) 99 return (0); 100 101 /* Next: 11n node? (assumed that A-MSDU TX to HT nodes is ok */ 102 if ((ni->ni_flags & IEEE80211_NODE_HT) == 0) 103 return (0); 104 105 /* ok, we can at least /do/ AMSDU to this node */ 106 return (1); 107 } 108 109 struct mbuf * ieee80211_amsdu_check(struct ieee80211_node *ni, struct mbuf *m); 110 struct mbuf *ieee80211_ff_check(struct ieee80211_node *, struct mbuf *); 111 void ieee80211_ff_age(struct ieee80211com *, struct ieee80211_stageq *, 112 int quanta); 113 114 static __inline void 115 ieee80211_ff_age_all(struct ieee80211com *ic, int quanta) 116 { 117 struct ieee80211_superg *sg = ic->ic_superg; 118 119 if (sg != NULL) { 120 ieee80211_ff_age(ic, &sg->ff_stageq[WME_AC_VO], quanta); 121 ieee80211_ff_age(ic, &sg->ff_stageq[WME_AC_VI], quanta); 122 ieee80211_ff_age(ic, &sg->ff_stageq[WME_AC_BE], quanta); 123 ieee80211_ff_age(ic, &sg->ff_stageq[WME_AC_BK], quanta); 124 } 125 } 126 127 static __inline void 128 ieee80211_ff_flush(struct ieee80211com *ic, int ac) 129 { 130 struct ieee80211_superg *sg = ic->ic_superg; 131 132 if (sg != NULL) 133 ieee80211_ff_age(ic, &sg->ff_stageq[ac], 0x7fffffff); 134 } 135 136 static __inline void 137 ieee80211_ff_flush_all(struct ieee80211com *ic) 138 { 139 ieee80211_ff_age_all(ic, 0x7fffffff); 140 } 141 142 struct mbuf *ieee80211_ff_encap(struct ieee80211vap *, struct mbuf *, 143 int, struct ieee80211_key *); 144 struct mbuf * ieee80211_amsdu_encap(struct ieee80211vap *vap, struct mbuf *m1, 145 int hdrspace, struct ieee80211_key *key); 146 147 struct mbuf *ieee80211_ff_decap(struct ieee80211_node *, struct mbuf *); 148 149 static __inline struct mbuf * 150 ieee80211_decap_fastframe(struct ieee80211vap *vap, struct ieee80211_node *ni, 151 struct mbuf *m) 152 { 153 return IEEE80211_ATH_CAP(vap, ni, IEEE80211_NODE_FF) ? 154 ieee80211_ff_decap(ni, m) : m; 155 } 156 #endif /* _KERNEL */ 157 #endif /* _NET80211_IEEE80211_SUPERG_H_ */ 158