1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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: releng/12.0/sys/net80211/ieee80211_ratectl_none.c 326272 2017-11-27 15:23:17Z pfg $");
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
53static void
54none_init(struct ieee80211vap *vap)
55{
56}
57
58static void
59none_deinit(struct ieee80211vap *vap)
60{
61	IEEE80211_FREE(vap->iv_rs, M_80211_RATECTL);
62}
63
64static void
65none_node_init(struct ieee80211_node *ni)
66{
67	ni->ni_txrate = ni->ni_rates.rs_rates[0] & IEEE80211_RATE_VAL;
68}
69
70static void
71none_node_deinit(struct ieee80211_node *ni)
72{
73}
74
75static int
76none_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
84static void
85none_tx_complete(const struct ieee80211_node *ni,
86    const struct ieee80211_ratectl_tx_status *status)
87{
88}
89
90static void
91none_tx_update(struct ieee80211vap *vap,
92    struct ieee80211_ratectl_tx_stats *stats)
93{
94}
95
96static void
97none_setinterval(const struct ieee80211vap *vap, int msecs)
98{
99}
100
101/* number of references from net80211 layer */
102static	int nrefs = 0;
103
104static 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};
117IEEE80211_RATECTL_MODULE(ratectl_none, 1);
118IEEE80211_RATECTL_ALG(none, IEEE80211_RATECTL_NONE, none);
119