1 /*- 2 * Copyright (c) 2010 Rui Paulo <rpaulo@FreeBSD.org> 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 * $FreeBSD$ 26 */ 27 28 enum ieee80211_ratealgs { 29 IEEE80211_RATECTL_AMRR = 0, 30 IEEE80211_RATECTL_RSSADAPT = 1, 31 IEEE80211_RATECTL_ONOE = 2, 32 IEEE80211_RATECTL_SAMPLE = 3, 33 IEEE80211_RATECTL_NONE = 4, 34 IEEE80211_RATECTL_MAX 35 }; 36 37 #define IEEE80211_RATECTL_TX_SUCCESS 1 38 #define IEEE80211_RATECTL_TX_FAILURE 0 39 40 struct ieee80211_ratectl { 41 const char *ir_name; 42 int (*ir_attach)(const struct ieee80211vap *); 43 void (*ir_detach)(const struct ieee80211vap *); 44 void (*ir_init)(struct ieee80211vap *); 45 void (*ir_deinit)(struct ieee80211vap *); 46 void (*ir_node_init)(struct ieee80211_node *); 47 void (*ir_node_deinit)(struct ieee80211_node *); 48 int (*ir_rate)(struct ieee80211_node *, void *, uint32_t); 49 void (*ir_tx_complete)(const struct ieee80211vap *, 50 const struct ieee80211_node *, int, 51 void *, void *); 52 void (*ir_tx_update)(const struct ieee80211vap *, 53 const struct ieee80211_node *, 54 void *, void *, void *); 55 void (*ir_setinterval)(const struct ieee80211vap *, int); 56 void (*ir_node_stats)(struct ieee80211_node *ni, struct sbuf *s); 57 }; 58 59 void ieee80211_ratectl_register(int, const struct ieee80211_ratectl *); 60 void ieee80211_ratectl_unregister(int); 61 void ieee80211_ratectl_init(struct ieee80211vap *); 62 void ieee80211_ratectl_set(struct ieee80211vap *, int); 63 64 #ifdef MALLOC_DECLARE 65 MALLOC_DECLARE(M_80211_RATECTL); 66 #endif 67 68 static __inline void 69 ieee80211_ratectl_deinit(struct ieee80211vap *vap) 70 { 71 vap->iv_rate->ir_deinit(vap); 72 } 73 74 static __inline void 75 ieee80211_ratectl_node_init(struct ieee80211_node *ni) 76 { 77 const struct ieee80211vap *vap = ni->ni_vap; 78 79 vap->iv_rate->ir_node_init(ni); 80 } 81 82 static __inline void 83 ieee80211_ratectl_node_deinit(struct ieee80211_node *ni) 84 { 85 const struct ieee80211vap *vap = ni->ni_vap; 86 87 vap->iv_rate->ir_node_deinit(ni); 88 } 89 90 static __inline int 91 ieee80211_ratectl_rate(struct ieee80211_node *ni, void *arg, uint32_t iarg) 92 { 93 const struct ieee80211vap *vap = ni->ni_vap; 94 95 return vap->iv_rate->ir_rate(ni, arg, iarg); 96 } 97 98 static __inline void 99 ieee80211_ratectl_tx_complete(const struct ieee80211vap *vap, 100 const struct ieee80211_node *ni, int status, void *arg1, void *arg2) 101 { 102 vap->iv_rate->ir_tx_complete(vap, ni, status, arg1, arg2); 103 } 104 105 static __inline void 106 ieee80211_ratectl_tx_update(const struct ieee80211vap *vap, 107 const struct ieee80211_node *ni, void *arg1, void *arg2, void *arg3) 108 { 109 if (vap->iv_rate->ir_tx_update == NULL) 110 return; 111 vap->iv_rate->ir_tx_update(vap, ni, arg1, arg2, arg3); 112 } 113 114 static __inline void 115 ieee80211_ratectl_setinterval(const struct ieee80211vap *vap, int msecs) 116 { 117 if (vap->iv_rate->ir_setinterval == NULL) 118 return; 119 vap->iv_rate->ir_setinterval(vap, msecs); 120 } 121 122 static __inline void 123 ieee80211_ratectl_node_stats(struct ieee80211_node *ni, struct sbuf *s) 124 { 125 const struct ieee80211vap *vap = ni->ni_vap; 126 127 if (vap->iv_rate->ir_node_stats == NULL) 128 return; 129 vap->iv_rate->ir_node_stats(ni, s); 130 } 131