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_var.h> 41 #include <net/if_media.h> 42 #include <net/ethernet.h> 43 44 #include <netproto/802_11/ieee80211_var.h> 45 #include <netproto/802_11/ieee80211_ratectl.h> 46 47 static void 48 none_init(struct ieee80211vap *vap) 49 { 50 } 51 52 static void 53 none_deinit(struct ieee80211vap *vap) 54 { 55 IEEE80211_FREE(vap->iv_rs, M_80211_RATECTL); 56 } 57 58 static void 59 none_node_init(struct ieee80211_node *ni) 60 { 61 ni->ni_txrate = ni->ni_rates.rs_rates[0] & IEEE80211_RATE_VAL; 62 } 63 64 static void 65 none_node_deinit(struct ieee80211_node *ni) 66 { 67 } 68 69 static int 70 none_rate(struct ieee80211_node *ni, void *arg __unused, uint32_t iarg __unused) 71 { 72 int rix = 0; 73 74 ni->ni_txrate = ni->ni_rates.rs_rates[rix] & IEEE80211_RATE_VAL; 75 return rix; 76 } 77 78 static void 79 none_tx_complete(const struct ieee80211vap *vap, 80 const struct ieee80211_node *ni, int ok, 81 void *arg1, void *arg2 __unused) 82 { 83 } 84 85 static void 86 none_tx_update(const struct ieee80211vap *vap, const struct ieee80211_node *ni, 87 void *arg1, void *arg2, void *arg3) 88 { 89 } 90 91 static void 92 none_setinterval(const struct ieee80211vap *vap, int msecs) 93 { 94 } 95 96 /* number of references from net80211 layer */ 97 static int nrefs = 0; 98 99 static const struct ieee80211_ratectl none = { 100 .ir_name = "none", 101 .ir_attach = NULL, 102 .ir_detach = NULL, 103 .ir_init = none_init, 104 .ir_deinit = none_deinit, 105 .ir_node_init = none_node_init, 106 .ir_node_deinit = none_node_deinit, 107 .ir_rate = none_rate, 108 .ir_tx_complete = none_tx_complete, 109 .ir_tx_update = none_tx_update, 110 .ir_setinterval = none_setinterval, 111 }; 112 IEEE80211_RATECTL_MODULE(ratectl_none, 1); 113 IEEE80211_RATECTL_ALG(none, IEEE80211_RATECTL_NONE, none); 114