1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
|
// SPDX-License-Identifier: ISC
/*
* Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
*/
#include "mt76x2.h"
#include "../mt76x02_mac.h"
static int
mt76x2_start(struct ieee80211_hw *hw)
{
struct mt76x02_dev *dev = hw->priv;
int ret;
mt76x02_mac_start(dev);
ret = mt76x2_phy_start(dev);
if (ret)
return ret;
ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mt76.mac_work,
MT_MAC_WORK_INTERVAL);
ieee80211_queue_delayed_work(mt76_hw(dev), &dev->wdt_work,
MT_WATCHDOG_TIME);
set_bit(MT76_STATE_RUNNING, &dev->mphy.state);
return 0;
}
static void
mt76x2_stop(struct ieee80211_hw *hw)
{
struct mt76x02_dev *dev = hw->priv;
clear_bit(MT76_STATE_RUNNING, &dev->mphy.state);
mt76x2_stop_hardware(dev);
}
static int
mt76x2_set_channel(struct mt76x02_dev *dev, struct cfg80211_chan_def *chandef)
{
int ret;
cancel_delayed_work_sync(&dev->cal_work);
tasklet_disable(&dev->mt76.pre_tbtt_tasklet);
tasklet_disable(&dev->dfs_pd.dfs_tasklet);
mutex_lock(&dev->mt76.mutex);
set_bit(MT76_RESET, &dev->mphy.state);
mt76_set_channel(&dev->mphy);
mt76x2_mac_stop(dev, true);
ret = mt76x2_phy_set_channel(dev, chandef);
mt76x02_mac_cc_reset(dev);
mt76x02_dfs_init_params(dev);
mt76x2_mac_resume(dev);
clear_bit(MT76_RESET, &dev->mphy.state);
mutex_unlock(&dev->mt76.mutex);
tasklet_enable(&dev->dfs_pd.dfs_tasklet);
tasklet_enable(&dev->mt76.pre_tbtt_tasklet);
mt76_txq_schedule_all(&dev->mphy);
return ret;
}
static int
mt76x2_config(struct ieee80211_hw *hw, u32 changed)
{
struct mt76x02_dev *dev = hw->priv;
int ret = 0;
mutex_lock(&dev->mt76.mutex);
if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
if (!(hw->conf.flags & IEEE80211_CONF_MONITOR))
dev->mt76.rxfilter |= MT_RX_FILTR_CFG_PROMISC;
else
dev->mt76.rxfilter &= ~MT_RX_FILTR_CFG_PROMISC;
mt76_wr(dev, MT_RX_FILTR_CFG, dev->mt76.rxfilter);
}
if (changed & IEEE80211_CONF_CHANGE_POWER) {
dev->txpower_conf = hw->conf.power_level * 2;
/* convert to per-chain power for 2x2 devices */
dev->txpower_conf -= 6;
if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state)) {
mt76x2_phy_set_txpower(dev);
mt76x02_tx_set_txpwr_auto(dev, dev->txpower_conf);
}
}
mutex_unlock(&dev->mt76.mutex);
if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
ieee80211_stop_queues(hw);
ret = mt76x2_set_channel(dev, &hw->conf.chandef);
ieee80211_wake_queues(hw);
}
return ret;
}
static void
mt76x2_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
u32 queues, bool drop)
{
}
static int mt76x2_set_antenna(struct ieee80211_hw *hw, u32 tx_ant,
u32 rx_ant)
{
struct mt76x02_dev *dev = hw->priv;
if (!tx_ant || tx_ant > 3 || tx_ant != rx_ant)
return -EINVAL;
mutex_lock(&dev->mt76.mutex);
dev->chainmask = (tx_ant == 3) ? 0x202 : 0x101;
dev->mphy.antenna_mask = tx_ant;
mt76_set_stream_caps(&dev->mt76, true);
mt76x2_phy_set_antenna(dev);
mutex_unlock(&dev->mt76.mutex);
return 0;
}
const struct ieee80211_ops mt76x2_ops = {
.tx = mt76x02_tx,
.start = mt76x2_start,
.stop = mt76x2_stop,
.add_interface = mt76x02_add_interface,
.remove_interface = mt76x02_remove_interface,
.config = mt76x2_config,
.configure_filter = mt76x02_configure_filter,
.bss_info_changed = mt76x02_bss_info_changed,
.sta_state = mt76_sta_state,
.sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
.set_key = mt76x02_set_key,
.conf_tx = mt76x02_conf_tx,
.sw_scan_start = mt76_sw_scan,
.sw_scan_complete = mt76x02_sw_scan_complete,
.flush = mt76x2_flush,
.ampdu_action = mt76x02_ampdu_action,
.get_txpower = mt76_get_txpower,
.wake_tx_queue = mt76_wake_tx_queue,
.sta_rate_tbl_update = mt76x02_sta_rate_tbl_update,
.release_buffered_frames = mt76_release_buffered_frames,
.set_coverage_class = mt76x02_set_coverage_class,
.get_survey = mt76_get_survey,
.set_tim = mt76_set_tim,
.set_antenna = mt76x2_set_antenna,
.get_antenna = mt76_get_antenna,
.set_rts_threshold = mt76x02_set_rts_threshold,
};
|