ieee80211_ratectl_none.c revision 257179
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: head/sys/net80211/ieee80211_ratectl_none.c 257179 2013-10-26 18:18:50Z glebius $"); 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 <net80211/ieee80211_var.h> 49#include <net80211/ieee80211_ratectl.h> 50 51static void 52none_init(struct ieee80211vap *vap) 53{ 54} 55 56static void 57none_deinit(struct ieee80211vap *vap) 58{ 59 free(vap->iv_rs, M_80211_RATECTL); 60} 61 62static void 63none_node_init(struct ieee80211_node *ni) 64{ 65 ni->ni_txrate = ni->ni_rates.rs_rates[0] & IEEE80211_RATE_VAL; 66} 67 68static void 69none_node_deinit(struct ieee80211_node *ni) 70{ 71} 72 73static int 74none_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 82static void 83none_tx_complete(const struct ieee80211vap *vap, 84 const struct ieee80211_node *ni, int ok, 85 void *arg1, void *arg2 __unused) 86{ 87} 88 89static void 90none_tx_update(const struct ieee80211vap *vap, const struct ieee80211_node *ni, 91 void *arg1, void *arg2, void *arg3) 92{ 93} 94 95static void 96none_setinterval(const struct ieee80211vap *vap, int msecs) 97{ 98} 99 100/* number of references from net80211 layer */ 101static int nrefs = 0; 102 103static 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}; 116IEEE80211_RATECTL_MODULE(ratectl_none, 1); 117IEEE80211_RATECTL_ALG(none, IEEE80211_RATECTL_NONE, none); 118