blob: 600210d11b8bbbaa14a209af489eb643a7b68bae [file] [log] [blame]
diff --git a/package/kernel/mt76/patches/1005-mt76-zero-wait-dfs.patch b/package/kernel/mt76/patches/1005-mt76-zero-wait-dfs.patch
new file mode 100644
index 0000000..68883e4
--- /dev/null
+++ b/package/kernel/mt76/patches/1005-mt76-zero-wait-dfs.patch
@@ -0,0 +1,369 @@
+diff --git a/mt7915/debugfs.c b/mt7915/debugfs.c
+index 3a0ec43..2ce6973 100644
+--- a/mt7915/debugfs.c
++++ b/mt7915/debugfs.c
+@@ -75,12 +75,62 @@ mt7915_radar_trigger(void *data, u64 val)
+ {
+ struct mt7915_dev *dev = data;
+
+- return mt7915_mcu_rdd_cmd(dev, RDD_RADAR_EMULATE, 1, 0, 0);
++ if (val > MT_RX_SEL2)
++ return -EINVAL;
++
++ return mt7915_mcu_rdd_cmd(dev, RDD_RADAR_EMULATE, val, 0, 0);
+ }
+
+ DEFINE_DEBUGFS_ATTRIBUTE(fops_radar_trigger, NULL,
+ mt7915_radar_trigger, "%lld\n");
+
++static int
++mt7915_rdd_monitor(struct seq_file *s, void *data)
++{
++ struct mt7915_dev *dev = dev_get_drvdata(s->private);
++ struct cfg80211_chan_def *chandef = &dev->rdd2_chandef;
++ const char *bw;
++ int ret = 0;
++
++ mutex_lock(&dev->mt76.mutex);
++
++ if (!cfg80211_chandef_valid(chandef)) {
++ ret = -EINVAL;
++ goto out;
++ }
++
++ if (!dev->rdd2_phy) {
++ seq_printf(s, "not running\n");
++ goto out;
++ }
++
++ switch (chandef->width) {
++ case NL80211_CHAN_WIDTH_40:
++ bw = "40";
++ break;
++ case NL80211_CHAN_WIDTH_80:
++ bw = "80";
++ break;
++ case NL80211_CHAN_WIDTH_160:
++ bw = "160";
++ break;
++ case NL80211_CHAN_WIDTH_80P80:
++ bw = "80P80";
++ break;
++ default:
++ bw = "20";
++ break;
++ }
++
++ seq_printf(s, "channel %d (%d MHz) width %s MHz center1: %d MHz\n",
++ chandef->chan->hw_value, chandef->chan->center_freq,
++ bw, chandef->center_freq1);
++out:
++ mutex_unlock(&dev->mt76.mutex);
++
++ return ret;
++}
++
+ static int
+ mt7915_fw_debug_wm_set(void *data, u64 val)
+ {
+@@ -552,6 +602,8 @@ int mt7915_init_debugfs(struct mt7915_phy *phy)
+ &dev->hw_pattern);
+ debugfs_create_file("radar_trigger", 0200, dir, dev,
+ &fops_radar_trigger);
++ debugfs_create_devm_seqfile(dev->mt76.dev, "rdd_monitor", dir,
++ mt7915_rdd_monitor);
+ }
+
+ #ifdef MTK_DEBUG
+diff --git a/mt7915/init.c b/mt7915/init.c
+index e32cefc..6767702 100644
+--- a/mt7915/init.c
++++ b/mt7915/init.c
+@@ -294,6 +294,9 @@ mt7915_regd_notifier(struct wiphy *wiphy,
+ memcpy(dev->mt76.alpha2, request->alpha2, sizeof(dev->mt76.alpha2));
+ dev->mt76.region = request->dfs_region;
+
++ if (dev->mt76.region == NL80211_DFS_UNSET)
++ mt7915_mcu_rdd_offchan_enable(phy, NULL);
++
+ mt7915_init_txpower(dev, &mphy->sband_2g.sband);
+ mt7915_init_txpower(dev, &mphy->sband_5g.sband);
+
+@@ -307,6 +310,7 @@ static void
+ mt7915_init_wiphy(struct ieee80211_hw *hw)
+ {
+ struct mt7915_phy *phy = mt7915_hw_phy(hw);
++ struct mt76_dev *mdev = &phy->dev->mt76;
+ struct wiphy *wiphy = hw->wiphy;
+
+ hw->queues = 4;
+@@ -334,6 +338,12 @@ mt7915_init_wiphy(struct ieee80211_hw *hw)
+ wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_VHT);
+ wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BEACON_RATE_HE);
+
++ if (!mdev->dev->of_node ||
++ !of_property_read_bool(mdev->dev->of_node,
++ "mediatek,disable-radar-offchan"))
++ wiphy_ext_feature_set(wiphy,
++ NL80211_EXT_FEATURE_RADAR_OFFCHAN);
++
+ ieee80211_hw_set(hw, HAS_RATE_CONTROL);
+ ieee80211_hw_set(hw, SUPPORTS_TX_ENCAP_OFFLOAD);
+ ieee80211_hw_set(hw, SUPPORTS_RX_DECAP_OFFLOAD);
+diff --git a/mt7915/main.c b/mt7915/main.c
+index 31efe2c..c9dba1f 100644
+--- a/mt7915/main.c
++++ b/mt7915/main.c
+@@ -1312,6 +1312,55 @@ mt7915_twt_teardown_request(struct ieee80211_hw *hw,
+ mutex_unlock(&dev->mt76.mutex);
+ }
+
++static int
++mt7915_set_radar_offchan(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_offchan_enable(phy, NULL);
++ if (ret)
++ goto out;
++
++ if (!running)
++ goto update_phy;
++ }
++
++ ret = mt7915_mcu_rdd_offchan_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,
+@@ -1357,4 +1406,5 @@ const struct ieee80211_ops mt7915_ops = {
+ #ifdef CONFIG_MAC80211_DEBUGFS
+ .sta_add_debugfs = mt7915_sta_add_debugfs,
+ #endif
++ .set_radar_offchan = mt7915_set_radar_offchan,
+ };
+diff --git a/mt7915/mcu.c b/mt7915/mcu.c
+index a5fb821..b361f68 100644
+--- a/mt7915/mcu.c
++++ b/mt7915/mcu.c
+@@ -487,7 +487,12 @@ mt7915_mcu_rx_radar_detected(struct mt7915_dev *dev, struct sk_buff *skb)
+ if (r->band_idx && dev->mt76.phy2)
+ mphy = dev->mt76.phy2;
+
+- ieee80211_radar_detected(mphy->hw);
++ if (r->band_idx == MT_RX_SEL2)
++ cfg80211_offchan_radar_event(mphy->hw->wiphy,
++ &dev->rdd2_chandef,
++ GFP_ATOMIC);
++ else
++ ieee80211_radar_detected(mphy->hw);
+ dev->hw_pattern++;
+ }
+
+@@ -3409,6 +3414,97 @@ int mt7915_mcu_set_radar_th(struct mt7915_dev *dev, int index,
+ sizeof(req), true);
+ }
+
++static int
++mt7915_mcu_offchan_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_offchan_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 = mt7915_mcu_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 = mt7915_mcu_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 = mt7915_mcu_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_offchan_enable(struct mt7915_phy *phy,
++ struct cfg80211_chan_def *chandef)
++{
++ struct mt7915_dev *dev = phy->dev;
++ int err, region;
++
++ if (!chandef) { /* disable offchain */
++ err = mt7915_mcu_rdd_cmd(dev, RDD_STOP, MT_RX_SEL2, 0, 0);
++ if (err)
++ return err;
++
++ return mt7915_mcu_offchan_chain_ctrl(phy, NULL,
++ CH_SWITCH_BACKGROUND_SCAN_STOP);
++ }
++
++ err = mt7915_mcu_offchan_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 mt7915_mcu_rdd_cmd(dev, 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;
+diff --git a/mt7915/mcu.h b/mt7915/mcu.h
+index 2f856ae..64bea9a 100644
+--- a/mt7915/mcu.h
++++ b/mt7915/mcu.h
+@@ -153,6 +153,29 @@ struct mt7915_mcu_rdd_report {
+ } hw_pulse[32];
+ } __packed;
+
++struct mt7915_mcu_offchan_chain_ctrl {
++ u8 chan; /* primary channel */
++ u8 central_chan; /* central channel */
++ u8 bw;
++ u8 tx_stream;
++ u8 rx_stream;
++
++ u8 monitor_chan; /* monitor channel */
++ u8 monitor_central_chan;/* monitor central channel */
++ u8 monitor_bw;
++ u8 monitor_tx_stream;
++ u8 monitor_rx_stream;
++
++ u8 scan_mode; /* 0: ScanStop
++ * 1: ScanStart
++ * 2: ScanRunning
++ */
++ u8 band_idx; /* DBDC */
++ u8 monitor_scan_type;
++ u8 band; /* 0: 2.4GHz, 1: 5GHz */
++ u8 rsv[2];
++} __packed;
++
+ struct mt7915_mcu_eeprom {
+ u8 buffer_mode;
+ u8 format;
+@@ -286,6 +309,7 @@ enum {
+ MCU_EXT_CMD_SCS_CTRL = 0x82,
+ MCU_EXT_CMD_TWT_AGRT_UPDATE = 0x94,
+ MCU_EXT_CMD_FW_DBG_CTRL = 0x95,
++ MCU_EXT_CMD_OFFCH_SCAN_CTRL = 0x9a,
+ MCU_EXT_CMD_SET_RDD_TH = 0x9d,
+ MCU_EXT_CMD_MURU_CTRL = 0x9f,
+ MCU_EXT_CMD_SET_SPR = 0xa8,
+diff --git a/mt7915/mt7915.h b/mt7915/mt7915.h
+index 27dcd3f..f3449eb 100644
+--- a/mt7915/mt7915.h
++++ b/mt7915/mt7915.h
+@@ -298,6 +298,10 @@ struct mt7915_dev {
+ struct tasklet_struct irq_tasklet;
+ struct mt7915_phy phy;
+
++ /* monitor rx chain configured channel */
++ struct cfg80211_chan_def rdd2_chandef;
++ struct mt7915_phy *rdd2_phy;
++
+ u16 chainmask;
+ u32 hif_idx;
+
+@@ -379,6 +383,7 @@ enum {
+ enum {
+ MT_RX_SEL0,
+ MT_RX_SEL1,
++ MT_RX_SEL2, /* monitor chain */
+ };
+
+ enum mt7915_rdd_cmd {
+@@ -516,6 +521,8 @@ int mt7915_mcu_get_rx_rate(struct mt7915_phy *phy, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta, struct rate_info *rate);
+ int mt7915_mcu_rdd_cmd(struct mt7915_dev *dev, enum mt7915_rdd_cmd cmd,
+ u8 index, u8 rx_sel, u8 val);
++int mt7915_mcu_rdd_offchan_enable(struct mt7915_phy *phy,
++ struct cfg80211_chan_def *chandef);
+ int mt7915_mcu_wa_cmd(struct mt7915_dev *dev, int cmd, u32 a1, u32 a2, u32 a3);
+ int mt7915_mcu_fw_log_2_host(struct mt7915_dev *dev, u8 type, u8 ctrl);
+ int mt7915_mcu_fw_dbg_ctrl(struct mt7915_dev *dev, u32 module, u8 level);
+