1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2010 Bernhard Schmidt <bschmidt@FreeBSD.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include <sys/cdefs.h> 29 __FBSDID("$FreeBSD$"); 30 31 #include "opt_wlan.h" 32 33 #include <sys/param.h> 34 #include <sys/systm.h> 35 #include <sys/kernel.h> 36 #include <sys/malloc.h> 37 #include <sys/module.h> 38 #include <sys/socket.h> 39 #include <sys/sysctl.h> 40 41 #include <net/if.h> 42 #include <net/if_media.h> 43 #include <net/ethernet.h> 44 45 #ifdef INET 46 #include <netinet/in.h> 47 #include <netinet/if_ether.h> 48 #endif 49 50 #include <net80211/ieee80211_var.h> 51 #include <net80211/ieee80211_ratectl.h> 52 53 static void 54 none_init(struct ieee80211vap *vap) 55 { 56 } 57 58 static void 59 none_deinit(struct ieee80211vap *vap) 60 { 61 IEEE80211_FREE(vap->iv_rs, M_80211_RATECTL); 62 } 63 64 static void 65 none_node_init(struct ieee80211_node *ni) 66 { 67 ni->ni_txrate = ni->ni_rates.rs_rates[0] & IEEE80211_RATE_VAL; 68 } 69 70 static void 71 none_node_deinit(struct ieee80211_node *ni) 72 { 73 } 74 75 static int 76 none_rate(struct ieee80211_node *ni, void *arg __unused, uint32_t iarg __unused) 77 { 78 int rix = 0; 79 80 ni->ni_txrate = ni->ni_rates.rs_rates[rix] & IEEE80211_RATE_VAL; 81 return rix; 82 } 83 84 static void 85 none_tx_complete(const struct ieee80211_node *ni, 86 const struct ieee80211_ratectl_tx_status *status) 87 { 88 } 89 90 static void 91 none_tx_update(struct ieee80211vap *vap, 92 struct ieee80211_ratectl_tx_stats *stats) 93 { 94 } 95 96 static void 97 none_setinterval(const struct ieee80211vap *vap, int msecs) 98 { 99 } 100 101 /* number of references from net80211 layer */ 102 static int nrefs = 0; 103 104 static const struct ieee80211_ratectl none = { 105 .ir_name = "none", 106 .ir_attach = NULL, 107 .ir_detach = NULL, 108 .ir_init = none_init, 109 .ir_deinit = none_deinit, 110 .ir_node_init = none_node_init, 111 .ir_node_deinit = none_node_deinit, 112 .ir_rate = none_rate, 113 .ir_tx_complete = none_tx_complete, 114 .ir_tx_update = none_tx_update, 115 .ir_setinterval = none_setinterval, 116 }; 117 IEEE80211_RATECTL_MODULE(ratectl_none, 1); 118 IEEE80211_RATECTL_ALG(none, IEEE80211_RATECTL_NONE, none); 119