1/*- 2 * SPDX-License-Identifier: BSD-2-Clause 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#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 */ 37struct 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 60struct 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 66struct ieee80211_superg { 67 /* fast-frames staging q */ 68 struct ieee80211_stageq ff_stageq[WME_NUM_AC]; 69 /* flush queues automatically */ 70 struct timeout_task ff_qtimer; 71}; 72 73void ieee80211_superg_attach(struct ieee80211com *); 74void ieee80211_superg_detach(struct ieee80211com *); 75void ieee80211_superg_vattach(struct ieee80211vap *); 76void ieee80211_superg_vdetach(struct ieee80211vap *); 77 78uint8_t *ieee80211_add_ath(uint8_t *, uint8_t, ieee80211_keyix); 79uint8_t *ieee80211_add_athcaps(uint8_t *, const struct ieee80211_node *); 80void ieee80211_parse_ath(struct ieee80211_node *, uint8_t *); 81int ieee80211_parse_athparams(struct ieee80211_node *, uint8_t *, 82 const struct ieee80211_frame *); 83 84void ieee80211_ff_node_init(struct ieee80211_node *); 85void ieee80211_ff_node_cleanup(struct ieee80211_node *); 86 87static inline int 88ieee80211_amsdu_tx_ok(struct ieee80211_node *ni) 89{ 90 91 /* First: software A-MSDU transmit? */ 92 if ((ni->ni_ic->ic_caps & IEEE80211_C_SWAMSDUTX) == 0) 93 return (0); 94 95 /* Next: does the VAP have AMSDU TX enabled? */ 96 if ((ni->ni_vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) == 0) 97 return (0); 98 99 /* Next: 11n node? (assumed that A-MSDU TX to HT nodes is ok */ 100 if ((ni->ni_flags & IEEE80211_NODE_HT) == 0) 101 return (0); 102 103 /* ok, we can at least /do/ AMSDU to this node */ 104 return (1); 105} 106 107struct mbuf * ieee80211_amsdu_check(struct ieee80211_node *ni, struct mbuf *m); 108struct mbuf *ieee80211_ff_check(struct ieee80211_node *, struct mbuf *); 109void ieee80211_ff_age(struct ieee80211com *, struct ieee80211_stageq *, 110 int quanta); 111 112static __inline void 113ieee80211_ff_age_all(struct ieee80211com *ic, int quanta) 114{ 115 struct ieee80211_superg *sg = ic->ic_superg; 116 117 if (sg != NULL) { 118 ieee80211_ff_age(ic, &sg->ff_stageq[WME_AC_VO], quanta); 119 ieee80211_ff_age(ic, &sg->ff_stageq[WME_AC_VI], quanta); 120 ieee80211_ff_age(ic, &sg->ff_stageq[WME_AC_BE], quanta); 121 ieee80211_ff_age(ic, &sg->ff_stageq[WME_AC_BK], quanta); 122 } 123} 124 125static __inline void 126ieee80211_ff_flush(struct ieee80211com *ic, int ac) 127{ 128 struct ieee80211_superg *sg = ic->ic_superg; 129 130 if (sg != NULL) 131 ieee80211_ff_age(ic, &sg->ff_stageq[ac], 0x7fffffff); 132} 133 134static __inline void 135ieee80211_ff_flush_all(struct ieee80211com *ic) 136{ 137 ieee80211_ff_age_all(ic, 0x7fffffff); 138} 139 140struct mbuf *ieee80211_ff_encap(struct ieee80211vap *, struct mbuf *, 141 int, struct ieee80211_key *); 142struct mbuf * ieee80211_amsdu_encap(struct ieee80211vap *vap, struct mbuf *m1, 143 int hdrspace, struct ieee80211_key *key); 144 145struct mbuf *ieee80211_ff_decap(struct ieee80211_node *, struct mbuf *); 146 147static __inline struct mbuf * 148ieee80211_decap_fastframe(struct ieee80211vap *vap, struct ieee80211_node *ni, 149 struct mbuf *m) 150{ 151 return IEEE80211_ATH_CAP(vap, ni, IEEE80211_NODE_FF) ? 152 ieee80211_ff_decap(ni, m) : m; 153} 154#endif /* _KERNEL */ 155#endif /* _NET80211_IEEE80211_SUPERG_H_ */ 156