| 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); |