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/systm.h> 33 #include <sys/kernel.h> 34 #include <sys/malloc.h> 35 #include <sys/module.h> 36 #include <sys/socket.h> 37 #include <sys/sysctl.h> 38 39 #include <net/if.h> 40 #include <net/if_media.h> 41 #include <net/ethernet.h> 42 43 #ifdef INET 44 #include <netinet/in.h> 45 #include <netinet/if_ether.h> 46 #endif 47 48 #include <netproto/802_11/ieee80211_var.h> 49 #include <netproto/802_11/ieee80211_ratectl.h> 50 51 static void 52 none_init(struct ieee80211vap *vap) 53 { 54 } 55 56 static void 57 none_deinit(struct ieee80211vap *vap) 58 { 59 kfree(vap->iv_rs, M_80211_RATECTL); 60 } 61 62 static void 63 none_node_init(struct ieee80211_node *ni) 64 { 65 ni->ni_txrate = ni->ni_rates.rs_rates[0] & IEEE80211_RATE_VAL; 66 } 67 68 static void 69 none_node_deinit(struct ieee80211_node *ni) 70 { 71 } 72 73 static int 74 none_rate(struct ieee80211_node *ni, void *arg __unused, uint32_t iarg __unused) 75 { 76 int rix = 0; 77 78 ni->ni_txrate = ni->ni_rates.rs_rates[rix] & IEEE80211_RATE_VAL; 79 return rix; 80 } 81 82 static void 83 none_tx_complete(const struct ieee80211vap *vap, 84 const struct ieee80211_node *ni, int ok, 85 void *arg1, void *arg2 __unused) 86 { 87 } 88 89 static void 90 none_tx_update(const struct ieee80211vap *vap, const struct ieee80211_node *ni, 91 void *arg1, void *arg2, void *arg3) 92 { 93 } 94 95 static void 96 none_setinterval(const struct ieee80211vap *vap, int msecs) 97 { 98 } 99 100 /* number of references from net80211 layer */ 101 static int nrefs = 0; 102 103 static const struct ieee80211_ratectl none = { 104 .ir_name = "none", 105 .ir_attach = NULL, 106 .ir_detach = NULL, 107 .ir_init = none_init, 108 .ir_deinit = none_deinit, 109 .ir_node_init = none_node_init, 110 .ir_node_deinit = none_node_deinit, 111 .ir_rate = none_rate, 112 .ir_tx_complete = none_tx_complete, 113 .ir_tx_update = none_tx_update, 114 .ir_setinterval = none_setinterval, 115 }; 116 IEEE80211_RATECTL_MODULE(ratectl_none, 1); 117 IEEE80211_RATECTL_ALG(none, IEEE80211_RATECTL_NONE, none); 118