diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7915/main.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/main.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c index 41b0a4d8b93e..3d0a7c599323 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c @@ -1356,6 +1356,55 @@ mt7915_twt_teardown_request(struct ieee80211_hw *hw, mutex_unlock(&dev->mt76.mutex); } +static int +mt7915_set_radar_background(struct ieee80211_hw *hw, + struct cfg80211_chan_def *chandef) +{ + struct mt7915_phy *phy = mt7915_hw_phy(hw); + struct mt7915_dev *dev = phy->dev; + int ret = -EINVAL; + bool running; + + mutex_lock(&dev->mt76.mutex); + + if (dev->mt76.region == NL80211_DFS_UNSET) + goto out; + + if (dev->rdd2_phy && dev->rdd2_phy != phy) { + /* rdd2 is already locked */ + ret = -EBUSY; + goto out; + } + + /* rdd2 already configured on a radar channel */ + running = dev->rdd2_phy && + cfg80211_chandef_valid(&dev->rdd2_chandef) && + !!(dev->rdd2_chandef.chan->flags & IEEE80211_CHAN_RADAR); + + if (!chandef || running || + !(chandef->chan->flags & IEEE80211_CHAN_RADAR)) { + ret = mt7915_mcu_rdd_background_enable(phy, NULL); + if (ret) + goto out; + + if (!running) + goto update_phy; + } + + ret = mt7915_mcu_rdd_background_enable(phy, chandef); + if (ret) + goto out; + +update_phy: + dev->rdd2_phy = chandef ? phy : NULL; + if (chandef) + dev->rdd2_chandef = *chandef; +out: + mutex_unlock(&dev->mt76.mutex); + + return ret; +} + const struct ieee80211_ops mt7915_ops = { .tx = mt7915_tx, .start = mt7915_start, @@ -1402,4 +1451,5 @@ const struct ieee80211_ops mt7915_ops = { #ifdef CONFIG_MAC80211_DEBUGFS .sta_add_debugfs = mt7915_sta_add_debugfs, #endif + .set_radar_background = mt7915_set_radar_background, }; |