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
|
/*
* Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
* Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "mt76x2.h"
#include "dma.h"
void mt76x2_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct mt76x2_dev *dev = hw->priv;
struct ieee80211_vif *vif = info->control.vif;
struct mt76_wcid *wcid = &dev->mt76.global_wcid;
if (control->sta) {
struct mt76x02_sta *msta;
msta = (struct mt76x02_sta *)control->sta->drv_priv;
wcid = &msta->wcid;
/* sw encrypted frames */
if (!info->control.hw_key && wcid->hw_key_idx != 0xff)
control->sta = NULL;
}
if (vif && !control->sta) {
struct mt76x02_vif *mvif;
mvif = (struct mt76x02_vif *)vif->drv_priv;
wcid = &mvif->group_wcid;
}
mt76_tx(&dev->mt76, control->sta, wcid, skb);
}
EXPORT_SYMBOL_GPL(mt76x2_tx);
s8 mt76x2_tx_get_max_txpwr_adj(struct mt76_dev *mdev,
const struct ieee80211_tx_rate *rate)
{
struct mt76x2_dev *dev = (struct mt76x2_dev *) mdev;
s8 max_txpwr;
if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
u8 mcs = ieee80211_rate_get_vht_mcs(rate);
if (mcs == 8 || mcs == 9) {
max_txpwr = mdev->rate_power.vht[8];
} else {
u8 nss, idx;
nss = ieee80211_rate_get_vht_nss(rate);
idx = ((nss - 1) << 3) + mcs;
max_txpwr = mdev->rate_power.ht[idx & 0xf];
}
} else if (rate->flags & IEEE80211_TX_RC_MCS) {
max_txpwr = mdev->rate_power.ht[rate->idx & 0xf];
} else {
enum nl80211_band band = dev->mt76.chandef.chan->band;
if (band == NL80211_BAND_2GHZ) {
const struct ieee80211_rate *r;
struct wiphy *wiphy = mt76_hw(dev)->wiphy;
struct mt76_rate_power *rp = &mdev->rate_power;
r = &wiphy->bands[band]->bitrates[rate->idx];
if (r->flags & IEEE80211_RATE_SHORT_PREAMBLE)
max_txpwr = rp->cck[r->hw_value & 0x3];
else
max_txpwr = rp->ofdm[r->hw_value & 0x7];
} else {
max_txpwr = mdev->rate_power.ofdm[rate->idx & 0x7];
}
}
return max_txpwr;
}
EXPORT_SYMBOL_GPL(mt76x2_tx_get_max_txpwr_adj);
s8 mt76x2_tx_get_txpwr_adj(struct mt76x2_dev *dev, s8 txpwr, s8 max_txpwr_adj)
{
txpwr = min_t(s8, txpwr, dev->mt76.txpower_conf);
txpwr -= (dev->target_power + dev->target_power_delta[0]);
txpwr = min_t(s8, txpwr, max_txpwr_adj);
if (!dev->enable_tpc)
return 0;
else if (txpwr >= 0)
return min_t(s8, txpwr, 7);
else
return (txpwr < -16) ? 8 : (txpwr + 32) / 2;
}
EXPORT_SYMBOL_GPL(mt76x2_tx_get_txpwr_adj);
void mt76x2_tx_set_txpwr_auto(struct mt76x2_dev *dev, s8 txpwr)
{
s8 txpwr_adj;
txpwr_adj = mt76x2_tx_get_txpwr_adj(dev, txpwr,
dev->mt76.rate_power.ofdm[4]);
mt76_rmw_field(dev, MT_PROT_AUTO_TX_CFG,
MT_PROT_AUTO_TX_CFG_PROT_PADJ, txpwr_adj);
mt76_rmw_field(dev, MT_PROT_AUTO_TX_CFG,
MT_PROT_AUTO_TX_CFG_AUTO_PADJ, txpwr_adj);
}
EXPORT_SYMBOL_GPL(mt76x2_tx_set_txpwr_auto);
|
