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: head/sys/net80211/ieee80211_ratectl.h 206398 2010-04-08 13:34:08Z rpaulo $ 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_MAX 34 }; 35 36 #define IEEE80211_RATECTL_TX_SUCCESS 0 37 #define IEEE80211_RATECTL_TX_FAILURE 1 38 39 struct ieee80211_ratectl { 40 const char *ir_name; 41 int (*ir_attach)(const struct ieee80211vap *); 42 void (*ir_detach)(const struct ieee80211vap *); 43 void (*ir_init)(struct ieee80211vap *); 44 void (*ir_deinit)(struct ieee80211vap *); 45 void (*ir_node_init)(struct ieee80211_node *); 46 void (*ir_node_deinit)(struct ieee80211_node *); 47 int (*ir_rate)(struct ieee80211_node *, void *, uint32_t); 48 void (*ir_tx_complete)(const struct ieee80211vap *, 49 const struct ieee80211_node *, int, 50 void *, void *); 51 void (*ir_tx_update)(const struct ieee80211vap *, 52 const struct ieee80211_node *, 53 void *, void *, void *); 54 void (*ir_setinterval)(const struct ieee80211vap *, int); 55 }; 56 57 void ieee80211_ratectl_register(int, const struct ieee80211_ratectl *); 58 void ieee80211_ratectl_unregister(int); 59 void ieee80211_ratectl_set(struct ieee80211vap *, int); 60 61 MALLOC_DECLARE(M_80211_RATECTL); 62 63 static __inline void 64 ieee80211_ratectl_init(struct ieee80211vap *vap) 65 { 66 vap->iv_rate->ir_init(vap); 67 } 68 69 static __inline void 70 ieee80211_ratectl_deinit(struct ieee80211vap *vap) 71 { 72 vap->iv_rate->ir_deinit(vap); 73 } 74 75 static __inline void 76 ieee80211_ratectl_node_init(struct ieee80211_node *ni) 77 { 78 const struct ieee80211vap *vap = ni->ni_vap; 79 80 vap->iv_rate->ir_node_init(ni); 81 } 82 83 static __inline void 84 ieee80211_ratectl_node_deinit(struct ieee80211_node *ni) 85 { 86 const struct ieee80211vap *vap = ni->ni_vap; 87 88 if (ni->ni_rctls == NULL) /* ratectl not setup */ 89 return; 90 vap->iv_rate->ir_node_deinit(ni); 91 } 92 93 static __inline int 94 ieee80211_ratectl_rate(struct ieee80211_node *ni, void *arg, uint32_t iarg) 95 { 96 const struct ieee80211vap *vap = ni->ni_vap; 97 98 if (ni->ni_rctls == NULL) /* ratectl not setup */ 99 return 0; 100 return vap->iv_rate->ir_rate(ni, arg, iarg); 101 } 102 103 static __inline void 104 ieee80211_ratectl_tx_complete(const struct ieee80211vap *vap, 105 const struct ieee80211_node *ni, int status, void *arg1, void *arg2) 106 { 107 if (ni->ni_rctls == NULL) /* ratectl not setup */ 108 return; 109 vap->iv_rate->ir_tx_complete(vap, ni, status, arg1, arg2); 110 } 111 112 static __inline void 113 ieee80211_ratectl_tx_update(const struct ieee80211vap *vap, 114 const struct ieee80211_node *ni, void *arg1, void *arg2, void *arg3) 115 { 116 if (vap->iv_rate->ir_tx_update == NULL) 117 return; 118 if (ni->ni_rctls == NULL) /* ratectl not setup */ 119 return; 120 vap->iv_rate->ir_tx_update(vap, ni, arg1, arg2, arg3); 121 } 122 123 static __inline void 124 ieee80211_ratectl_setinterval(const struct ieee80211vap *vap, int msecs) 125 { 126 if (vap->iv_rate->ir_setinterval == NULL) 127 return; 128 vap->iv_rate->ir_setinterval(vap, msecs); 129 } 130