1 /*- 2 * Copyright (c) 2010 Bernhard Schmidt <bschmidt@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 26 #include <sys/cdefs.h> 27 __FBSDID("$FreeBSD$"); 28 29 #include "opt_wlan.h" 30 31 #include <sys/param.h> 32 #include <sys/kernel.h> 33 #include <sys/module.h> 34 #include <sys/socket.h> 35 #include <sys/sysctl.h> 36 37 #include <net/if.h> 38 #include <net/if_media.h> 39 40 #ifdef INET 41 #include <netinet/in.h> 42 #include <netinet/if_ether.h> 43 #endif 44 45 #include <net80211/ieee80211_var.h> 46 #include <net80211/ieee80211_ratectl.h> 47 48 static void 49 none_init(struct ieee80211vap *vap) 50 { 51 } 52 53 static void 54 none_deinit(struct ieee80211vap *vap) 55 { 56 free(vap->iv_rs, M_80211_RATECTL); 57 } 58 59 static void 60 none_node_init(struct ieee80211_node *ni) 61 { 62 ni->ni_txrate = ni->ni_rates.rs_rates[0] & IEEE80211_RATE_VAL; 63 } 64 65 static void 66 none_node_deinit(struct ieee80211_node *ni) 67 { 68 } 69 70 static int 71 none_rate(struct ieee80211_node *ni, void *arg __unused, uint32_t iarg __unused) 72 { 73 int rix = 0; 74 75 ni->ni_txrate = ni->ni_rates.rs_rates[rix] & IEEE80211_RATE_VAL; 76 return rix; 77 } 78 79 static void 80 none_tx_complete(const struct ieee80211vap *vap, 81 const struct ieee80211_node *ni, int ok, 82 void *arg1, void *arg2 __unused) 83 { 84 } 85 86 static void 87 none_tx_update(const struct ieee80211vap *vap, const struct ieee80211_node *ni, 88 void *arg1, void *arg2, void *arg3) 89 { 90 } 91 92 static void 93 none_setinterval(const struct ieee80211vap *vap, int msecs) 94 { 95 } 96 97 /* number of references from net80211 layer */ 98 static int nrefs = 0; 99 100 static const struct ieee80211_ratectl none = { 101 .ir_name = "none", 102 .ir_attach = NULL, 103 .ir_detach = NULL, 104 .ir_init = none_init, 105 .ir_deinit = none_deinit, 106 .ir_node_init = none_node_init, 107 .ir_node_deinit = none_node_deinit, 108 .ir_rate = none_rate, 109 .ir_tx_complete = none_tx_complete, 110 .ir_tx_update = none_tx_update, 111 .ir_setinterval = none_setinterval, 112 }; 113 IEEE80211_RATECTL_MODULE(ratectl_none, 1); 114 IEEE80211_RATECTL_ALG(none, IEEE80211_RATECTL_NONE, none); 115