diff options
| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2021-06-12 14:48:48 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2021-06-19 09:22:50 +0200 |
| commit | 8225816d2974204c09228f94c0451bd959575475 (patch) | |
| tree | 1aa48e998f46faa686f752afa0f3aeed87eca765 /drivers/net | |
| parent | e5bca8c5d2cd3502c15170a57c81a7587a38e957 (diff) | |
| download | linux-8225816d2974204c09228f94c0451bd959575475.tar.bz2 | |
mt76: mt7921: limit txpower according to userlevel power
Limit tx power for single-sku according to userlevel power.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c | 28 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7921/main.c | 3 |
2 files changed, 23 insertions, 8 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c index 302318e3a964..5c3a81e5f559 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c @@ -1768,12 +1768,15 @@ mt76_connac_mcu_rate_txpower_band(struct mt76_phy *phy, 142, 144, 149, 151, 153, 155, 157, 159, 161, 165 }; + int i, n_chan, batch_size, idx = 0, tx_power, last_ch; struct mt76_connac_sku_tlv sku_tlbv; - int i, n_chan, batch_size, idx = 0; struct mt76_power_limits limits; const u8 *ch_list; sku_len = is_mt7921(dev) ? sizeof(sku_tlbv) : sizeof(sku_tlbv) - 92; + tx_power = 2 * phy->hw->conf.power_level; + if (!tx_power) + tx_power = 127; if (band == NL80211_BAND_2GHZ) { n_chan = ARRAY_SIZE(chan_list_2ghz); @@ -1784,39 +1787,48 @@ mt76_connac_mcu_rate_txpower_band(struct mt76_phy *phy, } batch_size = DIV_ROUND_UP(n_chan, batch_len); + if (!phy->cap.has_5ghz) + last_ch = chan_list_2ghz[n_chan - 1]; + else + last_ch = chan_list_5ghz[n_chan - 1]; + for (i = 0; i < batch_size; i++) { - bool last_msg = i == batch_size - 1; - int num_ch = last_msg ? n_chan % batch_len : batch_len; struct mt76_connac_tx_power_limit_tlv tx_power_tlv = { .band = band == NL80211_BAND_2GHZ ? 1 : 2, - .n_chan = num_ch, - .last_msg = last_msg, }; + int j, err, msg_len, num_ch; struct sk_buff *skb; - int j, err, msg_len; + num_ch = i == batch_size - 1 ? n_chan % batch_len : batch_len; msg_len = sizeof(tx_power_tlv) + num_ch * sizeof(sku_tlbv); skb = mt76_mcu_msg_alloc(dev, NULL, msg_len); if (!skb) return -ENOMEM; + skb_reserve(skb, sizeof(tx_power_tlv)); + BUILD_BUG_ON(sizeof(dev->alpha2) > sizeof(tx_power_tlv.alpha2)); memcpy(tx_power_tlv.alpha2, dev->alpha2, sizeof(dev->alpha2)); + tx_power_tlv.n_chan = num_ch; - skb_put_data(skb, &tx_power_tlv, sizeof(tx_power_tlv)); for (j = 0; j < num_ch; j++, idx++) { struct ieee80211_channel chan = { .hw_value = ch_list[idx], .band = band, }; - mt76_get_rate_power_limits(phy, &chan, &limits, 127); + mt76_get_rate_power_limits(phy, &chan, &limits, + tx_power); + tx_power_tlv.last_msg = ch_list[idx] == last_ch; sku_tlbv.channel = ch_list[idx]; + mt76_connac_mcu_build_sku(dev, sku_tlbv.pwr_limit, &limits, band); skb_put_data(skb, &sku_tlbv, sku_len); } + __skb_push(skb, sizeof(tx_power_tlv)); + memcpy(skb->data, &tx_power_tlv, sizeof(tx_power_tlv)); err = mt76_mcu_skb_send_msg(dev, skb, MCU_CMD_SET_RATE_TX_POWER, false); diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/main.c b/drivers/net/wireless/mediatek/mt76/mt7921/main.c index 07e86bab0348..6fd5c869bb4d 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c @@ -432,6 +432,9 @@ static int mt7921_config(struct ieee80211_hw *hw, u32 changed) mt7921_mutex_acquire(dev); + if (changed & IEEE80211_CONF_CHANGE_POWER) + mt76_connac_mcu_set_rate_txpower(phy->mt76); + if (changed & IEEE80211_CONF_CHANGE_MONITOR) { bool enabled = !!(hw->conf.flags & IEEE80211_CONF_MONITOR); |