diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7915/mcu.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/mcu.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c index 66f8daf3168c..dddefeebc7dd 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c @@ -2629,6 +2629,99 @@ int mt7915_mcu_set_radar_th(struct mt7915_dev *dev, int index, sizeof(req), true); } +static int +mt7915_mcu_background_chain_ctrl(struct mt7915_phy *phy, + struct cfg80211_chan_def *chandef, + int cmd) +{ + struct mt7915_dev *dev = phy->dev; + struct mt76_phy *mphy = phy->mt76; + struct ieee80211_channel *chan = mphy->chandef.chan; + int freq = mphy->chandef.center_freq1; + struct mt7915_mcu_background_chain_ctrl req = { + .monitor_scan_type = 2, /* simple rx */ + }; + + if (!chandef && cmd != CH_SWITCH_BACKGROUND_SCAN_STOP) + return -EINVAL; + + if (!cfg80211_chandef_valid(&mphy->chandef)) + return -EINVAL; + + switch (cmd) { + case CH_SWITCH_BACKGROUND_SCAN_START: { + req.chan = chan->hw_value; + req.central_chan = ieee80211_frequency_to_channel(freq); + req.bw = mt76_connac_chan_bw(&mphy->chandef); + req.monitor_chan = chandef->chan->hw_value; + req.monitor_central_chan = + ieee80211_frequency_to_channel(chandef->center_freq1); + req.monitor_bw = mt76_connac_chan_bw(chandef); + req.band_idx = phy != &dev->phy; + req.scan_mode = 1; + break; + } + case CH_SWITCH_BACKGROUND_SCAN_RUNNING: + req.monitor_chan = chandef->chan->hw_value; + req.monitor_central_chan = + ieee80211_frequency_to_channel(chandef->center_freq1); + req.band_idx = phy != &dev->phy; + req.scan_mode = 2; + break; + case CH_SWITCH_BACKGROUND_SCAN_STOP: + req.chan = chan->hw_value; + req.central_chan = ieee80211_frequency_to_channel(freq); + req.bw = mt76_connac_chan_bw(&mphy->chandef); + req.tx_stream = hweight8(mphy->antenna_mask); + req.rx_stream = mphy->antenna_mask; + break; + default: + return -EINVAL; + } + req.band = chandef ? chandef->chan->band == NL80211_BAND_5GHZ : 1; + + return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(OFFCH_SCAN_CTRL), + &req, sizeof(req), false); +} + +int mt7915_mcu_rdd_background_enable(struct mt7915_phy *phy, + struct cfg80211_chan_def *chandef) +{ + struct mt7915_dev *dev = phy->dev; + int err, region; + + if (!chandef) { /* disable offchain */ + err = mt76_connac_mcu_rdd_cmd(&dev->mt76, RDD_STOP, MT_RX_SEL2, + 0, 0); + if (err) + return err; + + return mt7915_mcu_background_chain_ctrl(phy, NULL, + CH_SWITCH_BACKGROUND_SCAN_STOP); + } + + err = mt7915_mcu_background_chain_ctrl(phy, chandef, + CH_SWITCH_BACKGROUND_SCAN_START); + if (err) + return err; + + switch (dev->mt76.region) { + case NL80211_DFS_ETSI: + region = 0; + break; + case NL80211_DFS_JP: + region = 2; + break; + case NL80211_DFS_FCC: + default: + region = 1; + break; + } + + return mt76_connac_mcu_rdd_cmd(&dev->mt76, RDD_START, MT_RX_SEL2, + 0, region); +} + int mt7915_mcu_set_chan_info(struct mt7915_phy *phy, int cmd) { struct mt7915_dev *dev = phy->dev; |