[PATCH 0/9] introduce 6GHz support to mt7921 driver

[PATCH 0/9] introduce 6GHz support to mt7921 driver

[Lorenzo Bianconi]

Lorenzo Bianconi (9):
  mt76: connac: set 6G phymode in mt76_connac_get_phy_mode{,v2}
  mt76: connac: enable 6GHz band for hw scan
  mt76: connac: add 6GHz support to mt76_connac_mcu_set_channel_domain
  mt76: connac: set 6G phymode in single-sku support
  mt76: connac: add 6GHz support to mt76_connac_mcu_sta_tlv
  mt76: connac: add 6GHz support to mt76_connac_mcu_uni_add_bss
  mt76: connac: enable hw amsdu @ 6GHz
  mt76: add 6GHz support
  mt76: mt7921: add 6GHz support

 drivers/net/wireless/mediatek/mt76/eeprom.c   |   3 +
 drivers/net/wireless/mediatek/mt76/mac80211.c | 128 +++++++++++++++-
 drivers/net/wireless/mediatek/mt76/mt76.h     |   1 +
 .../wireless/mediatek/mt76/mt76_connac_mcu.c  | 139 +++++++++++++++---
 .../wireless/mediatek/mt76/mt76_connac_mcu.h  |  19 ++-
 .../net/wireless/mediatek/mt76/mt7921/mac.c   |  33 +++--
 .../net/wireless/mediatek/mt76/mt7921/main.c  |  39 ++++-
 .../net/wireless/mediatek/mt76/mt7921/mcu.c   |   6 +-
 .../wireless/mediatek/mt76/mt7921/mt7921.h    |   2 +-
 9 files changed, 324 insertions(+), 46 deletions(-)

-- 
2.31.1

[PATCH 1/9] mt76: connac: set 6G phymode in mt76_connac_get_phy_mode{,v2}

[Lorenzo Bianconi]

This is a preliminary patch to support 6GHz band on mt7921 devices.

Tested-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
 drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
index 9c0f86eefd75..8b72ed77881c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
@@ -691,7 +691,7 @@ mt76_connac_get_phy_mode_v2(struct mt76_phy *mphy, struct ieee80211_vif *vif,
 
 		if (he_cap->has_he)
 			mode |= PHY_TYPE_BIT_HE;
-	} else if (band == NL80211_BAND_5GHZ) {
+	} else if (band == NL80211_BAND_5GHZ || band == NL80211_BAND_6GHZ) {
 		mode |= PHY_TYPE_BIT_OFDM;
 
 		if (ht_cap->ht_supported)
@@ -1154,7 +1154,7 @@ mt76_connac_get_phy_mode(struct mt76_phy *phy, struct ieee80211_vif *vif,
 
 		if (he_cap->has_he)
 			mode |= PHY_MODE_AX_24G;
-	} else if (band == NL80211_BAND_5GHZ) {
+	} else if (band == NL80211_BAND_5GHZ || band == NL80211_BAND_6GHZ) {
 		mode |= PHY_MODE_A;
 
 		if (ht_cap->ht_supported)
@@ -1163,8 +1163,12 @@ mt76_connac_get_phy_mode(struct mt76_phy *phy, struct ieee80211_vif *vif,
 		if (vht_cap->vht_supported)
 			mode |= PHY_MODE_AC;
 
-		if (he_cap->has_he)
-			mode |= PHY_MODE_AX_5G;
+		if (he_cap->has_he) {
+			if (band == NL80211_BAND_6GHZ)
+				mode |= PHY_MODE_AX_6G;
+			else
+				mode |= PHY_MODE_AX_5G;
+		}
 	}
 
 	return mode;
-- 
2.31.1

[PATCH 2/9] mt76: connac: enable 6GHz band for hw scan

[Lorenzo Bianconi]

This is a preliminary patch to support 6GHz band on mt7921 devices.

Tested-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
 .../wireless/mediatek/mt76/mt76_connac_mcu.c  | 25 +++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
index 8b72ed77881c..8858a06ebd95 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
@@ -1458,7 +1458,17 @@ int mt76_connac_mcu_hw_scan(struct mt76_phy *phy, struct ieee80211_vif *vif,
 		else
 			chan = &req->channels[i];
 
-		chan->band = scan_list[i]->band == NL80211_BAND_2GHZ ? 1 : 2;
+		switch (scan_list[i]->band) {
+		case NL80211_BAND_2GHZ:
+			chan->band = 1;
+			break;
+		case NL80211_BAND_6GHZ:
+			chan->band = 3;
+			break;
+		default:
+			chan->band = 2;
+			break;
+		}
 		chan->channel_num = scan_list[i]->hw_value;
 	}
 	req->channel_type = sreq->n_channels ? 4 : 0;
@@ -1567,7 +1577,18 @@ int mt76_connac_mcu_sched_scan_req(struct mt76_phy *phy,
 	req->channels_num = min_t(u8, sreq->n_channels, 64);
 	for (i = 0; i < req->channels_num; i++) {
 		chan = &req->channels[i];
-		chan->band = scan_list[i]->band == NL80211_BAND_2GHZ ? 1 : 2;
+
+		switch (scan_list[i]->band) {
+		case NL80211_BAND_2GHZ:
+			chan->band = 1;
+			break;
+		case NL80211_BAND_6GHZ:
+			chan->band = 3;
+			break;
+		default:
+			chan->band = 2;
+			break;
+		}
 		chan->channel_num = scan_list[i]->hw_value;
 	}
 
-- 
2.31.1

[PATCH 3/9] mt76: connac: add 6GHz support to mt76_connac_mcu_set_channel_domain

[Lorenzo Bianconi]

Configure 6GHz channels defining mcu channel domain. This is a
preliminary patch to enable 6GHz band on mt7921 devices.

Tested-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
 drivers/net/wireless/mediatek/mt76/mt76.h     |  1 +
 .../wireless/mediatek/mt76/mt76_connac_mcu.c  | 29 +++++++++++++++----
 2 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index 8e7fedfd1758..a394ea8a1856 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -624,6 +624,7 @@ struct mt76_phy {
 	struct mt76_hw_cap cap;
 	struct mt76_sband sband_2g;
 	struct mt76_sband sband_5g;
+	struct mt76_sband sband_6g;
 
 	u8 macaddr[ETH_ALEN];
 
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
index 8858a06ebd95..f5c1a7d9306e 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
@@ -74,7 +74,7 @@ EXPORT_SYMBOL_GPL(mt76_connac_mcu_init_download);
 
 int mt76_connac_mcu_set_channel_domain(struct mt76_phy *phy)
 {
-	struct mt76_dev *dev = phy->dev;
+	int len, i, n_max_channels, n_2ch = 0, n_5ch = 0, n_6ch = 0;
 	struct mt76_connac_mcu_channel_domain {
 		u8 alpha2[4]; /* regulatory_request.alpha2 */
 		u8 bw_2g; /* BW_20_40M		0
@@ -84,25 +84,29 @@ int mt76_connac_mcu_set_channel_domain(struct mt76_phy *phy)
 			   * BW_20_40_80_8080M	4
 			   */
 		u8 bw_5g;
-		__le16 pad;
+		u8 bw_6g;
+		u8 pad;
 		u8 n_2ch;
 		u8 n_5ch;
-		__le16 pad2;
+		u8 n_6ch;
+		u8 pad2;
 	} __packed hdr = {
 		.bw_2g = 0,
-		.bw_5g = 3,
+		.bw_5g = 3, /* BW_20_40_80_160M */
+		.bw_6g = 3,
 	};
 	struct mt76_connac_mcu_chan {
 		__le16 hw_value;
 		__le16 pad;
 		__le32 flags;
 	} __packed channel;
-	int len, i, n_max_channels, n_2ch = 0, n_5ch = 0;
+	struct mt76_dev *dev = phy->dev;
 	struct ieee80211_channel *chan;
 	struct sk_buff *skb;
 
 	n_max_channels = phy->sband_2g.sband.n_channels +
-			 phy->sband_5g.sband.n_channels;
+			 phy->sband_5g.sband.n_channels +
+			 phy->sband_6g.sband.n_channels;
 	len = sizeof(hdr) + n_max_channels * sizeof(channel);
 
 	skb = mt76_mcu_msg_alloc(dev, NULL, len);
@@ -135,11 +139,24 @@ int mt76_connac_mcu_set_channel_domain(struct mt76_phy *phy)
 		skb_put_data(skb, &channel, sizeof(channel));
 		n_5ch++;
 	}
+	for (i = 0; i < phy->sband_6g.sband.n_channels; i++) {
+		chan = &phy->sband_6g.sband.channels[i];
+		if (chan->flags & IEEE80211_CHAN_DISABLED)
+			continue;
+
+		channel.hw_value = cpu_to_le16(chan->hw_value);
+		channel.flags = cpu_to_le32(chan->flags);
+		channel.pad = 0;
+
+		skb_put_data(skb, &channel, sizeof(channel));
+		n_6ch++;
+	}
 
 	BUILD_BUG_ON(sizeof(dev->alpha2) > sizeof(hdr.alpha2));
 	memcpy(hdr.alpha2, dev->alpha2, sizeof(dev->alpha2));
 	hdr.n_2ch = n_2ch;
 	hdr.n_5ch = n_5ch;
+	hdr.n_6ch = n_6ch;
 
 	memcpy(__skb_push(skb, sizeof(hdr)), &hdr, sizeof(hdr));
 
-- 
2.31.1

[PATCH 4/9] mt76: connac: set 6G phymode in single-sku support

[Lorenzo Bianconi]

Configure tx rate power for 6GHz channels. This is a preliminary patch
to enable 6GHz band for mt7921 devices.

Tested-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
 drivers/net/wireless/mediatek/mt76/eeprom.c   |  3 ++
 .../wireless/mediatek/mt76/mt76_connac_mcu.c  | 48 +++++++++++++++++--
 .../wireless/mediatek/mt76/mt76_connac_mcu.h  |  2 +-
 3 files changed, 49 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/eeprom.c b/drivers/net/wireless/mediatek/mt76/eeprom.c
index 3b47e85e95e7..376c3bd883e5 100644
--- a/drivers/net/wireless/mediatek/mt76/eeprom.c
+++ b/drivers/net/wireless/mediatek/mt76/eeprom.c
@@ -285,6 +285,9 @@ s8 mt76_get_rate_power_limits(struct mt76_phy *phy,
 	case NL80211_BAND_5GHZ:
 		band = '5';
 		break;
+	case NL80211_BAND_6GHZ:
+		band = '6';
+		break;
 	default:
 		return target_power;
 	}
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
index f5c1a7d9306e..8e1475aa35ac 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
@@ -1839,6 +1839,9 @@ static s8 mt76_connac_get_ch_power(struct mt76_phy *phy,
 	case NL80211_BAND_5GHZ:
 		sband = &phy->sband_5g.sband;
 		break;
+	case NL80211_BAND_6GHZ:
+		sband = &phy->sband_6g.sband;
+		break;
 	default:
 		return target_power;
 	}
@@ -1880,6 +1883,24 @@ mt76_connac_mcu_rate_txpower_band(struct mt76_phy *phy,
 		142, 144, 149, 151, 153, 155, 157,
 		159, 161, 165
 	};
+	static const u8 chan_list_6ghz[] = {
+		  1,   3,   5,   7,   9,  11,  13,
+		 15,  17,  19,  21,  23,  25,  27,
+		 29,  33,  35,  37,  39,  41,  43,
+		 45,  47,  49,  51,  53,  55,  57,
+		 59,  61,  65,  67,  69,  71,  73,
+		 75,  77,  79,  81,  83,  85,  87,
+		 89,  91,  93,  97,  99, 101, 103,
+		105, 107, 109, 111, 113, 115, 117,
+		119, 121, 123, 125, 129, 131, 133,
+		135, 137, 139, 141, 143, 145, 147,
+		149, 151, 153, 155, 157, 161, 163,
+		165, 167, 169, 171, 173, 175, 177,
+		179, 181, 183, 185, 187, 189, 193,
+		195, 197, 199, 201, 203, 205, 207,
+		209, 211, 213, 215, 217, 219, 221,
+		225, 227, 229, 233
+	};
 	int i, n_chan, batch_size, idx = 0, tx_power, last_ch;
 	struct mt76_connac_sku_tlv sku_tlbv;
 	struct mt76_power_limits limits;
@@ -1893,6 +1914,9 @@ mt76_connac_mcu_rate_txpower_band(struct mt76_phy *phy,
 	if (band == NL80211_BAND_2GHZ) {
 		n_chan = ARRAY_SIZE(chan_list_2ghz);
 		ch_list = chan_list_2ghz;
+	} else if (band == NL80211_BAND_6GHZ) {
+		n_chan = ARRAY_SIZE(chan_list_6ghz);
+		ch_list = chan_list_6ghz;
 	} else {
 		n_chan = ARRAY_SIZE(chan_list_5ghz);
 		ch_list = chan_list_5ghz;
@@ -1901,13 +1925,13 @@ mt76_connac_mcu_rate_txpower_band(struct mt76_phy *phy,
 
 	if (!phy->cap.has_5ghz)
 		last_ch = chan_list_2ghz[n_chan - 1];
+	else if (phy->cap.has_6ghz)
+		last_ch = chan_list_6ghz[n_chan - 1];
 	else
 		last_ch = chan_list_5ghz[n_chan - 1];
 
 	for (i = 0; i < batch_size; i++) {
-		struct mt76_connac_tx_power_limit_tlv tx_power_tlv = {
-			.band = band == NL80211_BAND_2GHZ ? 1 : 2,
-		};
+		struct mt76_connac_tx_power_limit_tlv tx_power_tlv = {};
 		int j, err, msg_len, num_ch;
 		struct sk_buff *skb;
 
@@ -1923,6 +1947,18 @@ mt76_connac_mcu_rate_txpower_band(struct mt76_phy *phy,
 		memcpy(tx_power_tlv.alpha2, dev->alpha2, sizeof(dev->alpha2));
 		tx_power_tlv.n_chan = num_ch;
 
+		switch (band) {
+		case NL80211_BAND_2GHZ:
+			tx_power_tlv.band = 1;
+			break;
+		case NL80211_BAND_6GHZ:
+			tx_power_tlv.band = 3;
+			break;
+		default:
+			tx_power_tlv.band = 2;
+			break;
+		}
+
 		for (j = 0; j < num_ch; j++, idx++) {
 			struct ieee80211_channel chan = {
 				.hw_value = ch_list[idx],
@@ -1973,6 +2009,12 @@ int mt76_connac_mcu_set_rate_txpower(struct mt76_phy *phy)
 		if (err < 0)
 			return err;
 	}
+	if (phy->cap.has_6ghz) {
+		err = mt76_connac_mcu_rate_txpower_band(phy,
+							NL80211_BAND_6GHZ);
+		if (err < 0)
+			return err;
+	}
 
 	return 0;
 }
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
index cb36dd39221c..0f11574af535 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
@@ -964,7 +964,7 @@ struct mt76_connac_tx_power_limit_tlv {
 	__le16 len;
 	/* DW1 - cmd hint */
 	u8 n_chan; /* # channel */
-	u8 band; /* 2.4GHz - 5GHz */
+	u8 band; /* 2.4GHz - 5GHz - 6GHz */
 	u8 last_msg;
 	u8 pad1;
 	/* DW3 */
-- 
2.31.1

[PATCH 5/9] mt76: connac: add 6GHz support to mt76_connac_mcu_sta_tlv

[Lorenzo Bianconi]

Introduce sta_rec_he_6g_capa tlv in order configure the mcu with 6GHz
capabilities. This is a preliminary patch to enable 6GHz band for
mt7921 devices.

Tested-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
 drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c | 12 +++++++++++-
 drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h |  9 +++++++++
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
index 8e1475aa35ac..ab44e61e3aaf 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
@@ -770,8 +770,18 @@ void mt76_connac_mcu_sta_tlv(struct mt76_phy *mphy, struct sk_buff *skb,
 		mt76_connac_mcu_sta_amsdu_tlv(skb, sta, vif);
 
 	/* starec he */
-	if (sta->he_cap.has_he)
+	if (sta->he_cap.has_he) {
 		mt76_connac_mcu_sta_he_tlv(skb, sta);
+		if (band == NL80211_BAND_6GHZ &&
+		    sta_state == MT76_STA_INFO_STATE_ASSOC) {
+			struct sta_rec_he_6g_capa *he_6g_capa;
+
+			tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_HE_6G,
+						      sizeof(*he_6g_capa));
+			he_6g_capa = (struct sta_rec_he_6g_capa *)tlv;
+			he_6g_capa->capa = sta->he_6ghz_capa.capa;
+		}
+	}
 
 	tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_PHY, sizeof(*phy));
 	phy = (struct sta_rec_phy *)tlv;
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
index 0f11574af535..5ab5e185a8bb 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
@@ -145,6 +145,13 @@ struct sta_rec_phy {
 	u8 rsv[2];
 } __packed;
 
+struct sta_rec_he_6g_capa {
+	__le16 tag;
+	__le16 len;
+	__le16 capa;
+	u8 rsv[2];
+} __packed;
+
 /* wtbl_rec */
 
 struct wtbl_req_hdr {
@@ -303,6 +310,7 @@ struct wtbl_raw {
 					 sizeof(struct sta_rec_vht) +	\
 					 sizeof(struct sta_rec_uapsd) + \
 					 sizeof(struct sta_rec_amsdu) +	\
+					 sizeof(struct sta_rec_he_6g_capa) + \
 					 sizeof(struct tlv) +		\
 					 MT76_CONNAC_WTBL_UPDATE_MAX_SIZE)
 
@@ -329,6 +337,7 @@ enum {
 	STA_REC_MUEDCA,
 	STA_REC_BFEE,
 	STA_REC_PHY = 0x15,
+	STA_REC_HE_6G = 0x17,
 	STA_REC_MAX_NUM
 };
 
-- 
2.31.1

[PATCH 6/9] mt76: connac: add 6GHz support to mt76_connac_mcu_uni_add_bss

[Lorenzo Bianconi]

This is a preliminary patch to enable 6GHz band for mt7921 devices.

Tested-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
 drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c | 11 +++++++++--
 drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h |  8 ++++++--
 2 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
index ab44e61e3aaf..3b9c4180f954 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
@@ -1292,7 +1292,8 @@ int mt76_connac_mcu_uni_add_bss(struct mt76_phy *phy,
 			u8 short_st;
 			u8 ht_op_info;
 			u8 sco;
-			u8 pad[3];
+			u8 band;
+			u8 pad[2];
 		} __packed rlm;
 	} __packed rlm_req = {
 		.hdr = {
@@ -1308,13 +1309,19 @@ int mt76_connac_mcu_uni_add_bss(struct mt76_phy *phy,
 			.ht_op_info = 4, /* set HT 40M allowed */
 			.rx_streams = phy->chainmask,
 			.short_st = true,
+			.band = band,
 		},
 	};
 	int err, conn_type;
-	u8 idx;
+	u8 idx, basic_phy;
 
 	idx = mvif->omac_idx > EXT_BSSID_START ? HW_BSSID_0 : mvif->omac_idx;
 	basic_req.basic.hw_bss_idx = idx;
+	if (band == NL80211_BAND_6GHZ)
+		basic_req.basic.phymode_ext = BIT(0);
+
+	basic_phy = mt76_connac_get_phy_mode_v2(phy, vif, band, NULL);
+	basic_req.basic.nonht_basic_phy = cpu_to_le16(basic_phy);
 
 	switch (vif->type) {
 	case NL80211_IFTYPE_MESH_POINT:
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
index 5ab5e185a8bb..ea46dde364e1 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
@@ -668,10 +668,14 @@ struct mt76_connac_bss_basic_tlv {
 		     * bit(3): GN
 		     * bit(4): AN
 		     * bit(5): AC
+		     * bit(6): AX2
+		     * bit(7): AX5
+		     * bit(8): AX6
 		     */
 	__le16 sta_idx;
-	u8 nonht_basic_phy;
-	u8 pad[3];
+	__le16 nonht_basic_phy;
+	u8 phymode_ext; /* bit(0) AX_6G */
+	u8 pad[1];
 } __packed;
 
 struct mt76_connac_bss_qos_tlv {
-- 
2.31.1

[PATCH 7/9] mt76: connac: enable hw amsdu @ 6GHz

[Lorenzo Bianconi]

This is a preliminary patch to enable 6GHz band for mt7921 devices.

Tested-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
 drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
index 3b9c4180f954..10198c0c065b 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
@@ -766,7 +766,7 @@ void mt76_connac_mcu_sta_tlv(struct mt76_phy *mphy, struct sk_buff *skb,
 	if (!is_mt7921(dev))
 		return;
 
-	if (sta->ht_cap.ht_supported)
+	if (sta->ht_cap.ht_supported || sta->he_cap.has_he)
 		mt76_connac_mcu_sta_amsdu_tlv(skb, sta, vif);
 
 	/* starec he */
-- 
2.31.1

[PATCH 8/9] mt76: add 6GHz support

[Lorenzo Bianconi]

Introduce 6GHz channel list in mt76 module. This is a preliminary patch
to unlock 6GHz band for mt7921 devices.

Tested-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
 drivers/net/wireless/mediatek/mt76/mac80211.c | 128 ++++++++++++++++--
 1 file changed, 120 insertions(+), 8 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c
index e282c627e25c..c1b2af458691 100644
--- a/drivers/net/wireless/mediatek/mt76/mac80211.c
+++ b/drivers/net/wireless/mediatek/mt76/mac80211.c
@@ -20,6 +20,13 @@
 	.max_power = 30,			\
 }
 
+#define CHAN6G(_idx, _freq) {			\
+	.band = NL80211_BAND_6GHZ,		\
+	.center_freq = (_freq),			\
+	.hw_value = (_idx),			\
+	.max_power = 30,			\
+}
+
 static const struct ieee80211_channel mt76_channels_2ghz[] = {
 	CHAN2G(1, 2412),
 	CHAN2G(2, 2417),
@@ -70,6 +77,72 @@ static const struct ieee80211_channel mt76_channels_5ghz[] = {
 	CHAN5G(173, 5865),
 };
 
+static const struct ieee80211_channel mt76_channels_6ghz[] = {
+	/* UNII-5 */
+	CHAN6G(1, 5955),
+	CHAN6G(5, 5975),
+	CHAN6G(9, 5995),
+	CHAN6G(13, 6015),
+	CHAN6G(17, 6035),
+	CHAN6G(21, 6055),
+	CHAN6G(25, 6075),
+	CHAN6G(29, 6095),
+	CHAN6G(33, 6115),
+	CHAN6G(37, 6135),
+	CHAN6G(41, 6155),
+	CHAN6G(45, 6175),
+	CHAN6G(49, 6195),
+	CHAN6G(53, 6215),
+	CHAN6G(57, 6235),
+	CHAN6G(61, 6255),
+	CHAN6G(65, 6275),
+	CHAN6G(69, 6295),
+	CHAN6G(73, 6315),
+	CHAN6G(77, 6335),
+	CHAN6G(81, 6355),
+	CHAN6G(85, 6375),
+	CHAN6G(89, 6395),
+	CHAN6G(93, 6415),
+	/* UNII-6 */
+	CHAN6G(97, 6435),
+	CHAN6G(101, 6455),
+	CHAN6G(105, 6475),
+	CHAN6G(109, 6495),
+	CHAN6G(113, 6515),
+	CHAN6G(117, 6535),
+	/* UNII-7 */
+	CHAN6G(121, 6555),
+	CHAN6G(125, 6575),
+	CHAN6G(129, 6595),
+	CHAN6G(133, 6615),
+	CHAN6G(137, 6635),
+	CHAN6G(141, 6655),
+	CHAN6G(145, 6675),
+	CHAN6G(149, 6695),
+	CHAN6G(153, 6715),
+	CHAN6G(157, 6735),
+	CHAN6G(161, 6755),
+	CHAN6G(165, 6775),
+	CHAN6G(169, 6795),
+	CHAN6G(173, 6815),
+	CHAN6G(177, 6835),
+	CHAN6G(181, 6855),
+	CHAN6G(185, 6875),
+	/* UNII-8 */
+	CHAN6G(189, 6895),
+	CHAN6G(193, 6915),
+	CHAN6G(197, 6935),
+	CHAN6G(201, 6955),
+	CHAN6G(205, 6975),
+	CHAN6G(209, 6995),
+	CHAN6G(213, 7015),
+	CHAN6G(217, 7035),
+	CHAN6G(221, 7055),
+	CHAN6G(225, 7075),
+	CHAN6G(229, 7095),
+	CHAN6G(233, 7115),
+};
+
 static const struct ieee80211_tpt_blink mt76_tpt_blink[] = {
 	{ .throughput =   0 * 1024, .blink_time = 334 },
 	{ .throughput =   1 * 1024, .blink_time = 260 },
@@ -194,13 +267,16 @@ void mt76_set_stream_caps(struct mt76_phy *phy, bool vht)
 		mt76_init_stream_cap(phy, &phy->sband_2g.sband, false);
 	if (phy->cap.has_5ghz)
 		mt76_init_stream_cap(phy, &phy->sband_5g.sband, vht);
+	if (phy->cap.has_6ghz)
+		mt76_init_stream_cap(phy, &phy->sband_6g.sband, vht);
 }
 EXPORT_SYMBOL_GPL(mt76_set_stream_caps);
 
 static int
 mt76_init_sband(struct mt76_phy *phy, struct mt76_sband *msband,
 		const struct ieee80211_channel *chan, int n_chan,
-		struct ieee80211_rate *rates, int n_rates, bool vht)
+		struct ieee80211_rate *rates, int n_rates,
+		bool ht, bool vht)
 {
 	struct ieee80211_supported_band *sband = &msband->sband;
 	struct ieee80211_sta_vht_cap *vht_cap;
@@ -224,6 +300,9 @@ mt76_init_sband(struct mt76_phy *phy, struct mt76_sband *msband,
 	sband->bitrates = rates;
 	sband->n_bitrates = n_rates;
 
+	if (!ht)
+		return 0;
+
 	ht_cap = &sband->ht_cap;
 	ht_cap->ht_supported = true;
 	ht_cap->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
@@ -260,7 +339,7 @@ mt76_init_sband_2g(struct mt76_phy *phy, struct ieee80211_rate *rates,
 
 	return mt76_init_sband(phy, &phy->sband_2g, mt76_channels_2ghz,
 			       ARRAY_SIZE(mt76_channels_2ghz), rates,
-			       n_rates, false);
+			       n_rates, true, false);
 }
 
 static int
@@ -271,7 +350,18 @@ mt76_init_sband_5g(struct mt76_phy *phy, struct ieee80211_rate *rates,
 
 	return mt76_init_sband(phy, &phy->sband_5g, mt76_channels_5ghz,
 			       ARRAY_SIZE(mt76_channels_5ghz), rates,
-			       n_rates, vht);
+			       n_rates, true, vht);
+}
+
+static int
+mt76_init_sband_6g(struct mt76_phy *phy, struct ieee80211_rate *rates,
+		   int n_rates)
+{
+	phy->hw->wiphy->bands[NL80211_BAND_6GHZ] = &phy->sband_6g.sband;
+
+	return mt76_init_sband(phy, &phy->sband_6g, mt76_channels_6ghz,
+			       ARRAY_SIZE(mt76_channels_6ghz), rates,
+			       n_rates, false, false);
 }
 
 static void
@@ -400,9 +490,16 @@ int mt76_register_phy(struct mt76_phy *phy, bool vht,
 			return ret;
 	}
 
+	if (phy->cap.has_6ghz) {
+		ret = mt76_init_sband_6g(phy, rates + 4, n_rates - 4);
+		if (ret)
+			return ret;
+	}
+
 	wiphy_read_of_freq_limits(phy->hw->wiphy);
 	mt76_check_sband(phy, &phy->sband_2g, NL80211_BAND_2GHZ);
 	mt76_check_sband(phy, &phy->sband_5g, NL80211_BAND_5GHZ);
+	mt76_check_sband(phy, &phy->sband_6g, NL80211_BAND_6GHZ);
 
 	ret = ieee80211_register_hw(phy->hw);
 	if (ret)
@@ -510,9 +607,16 @@ int mt76_register_device(struct mt76_dev *dev, bool vht,
 			return ret;
 	}
 
+	if (phy->cap.has_6ghz) {
+		ret = mt76_init_sband_6g(phy, rates + 4, n_rates - 4);
+		if (ret)
+			return ret;
+	}
+
 	wiphy_read_of_freq_limits(hw->wiphy);
 	mt76_check_sband(&dev->phy, &phy->sband_2g, NL80211_BAND_2GHZ);
 	mt76_check_sband(&dev->phy, &phy->sband_5g, NL80211_BAND_5GHZ);
+	mt76_check_sband(&dev->phy, &phy->sband_6g, NL80211_BAND_6GHZ);
 
 	if (IS_ENABLED(CONFIG_MT76_LEDS)) {
 		ret = mt76_led_init(dev);
@@ -657,6 +761,8 @@ mt76_channel_state(struct mt76_phy *phy, struct ieee80211_channel *c)
 
 	if (c->band == NL80211_BAND_2GHZ)
 		msband = &phy->sband_2g;
+	else if (c->band == NL80211_BAND_6GHZ)
+		msband = &phy->sband_6g;
 	else
 		msband = &phy->sband_5g;
 
@@ -732,10 +838,16 @@ int mt76_get_survey(struct ieee80211_hw *hw, int idx,
 	if (idx == 0 && dev->drv->update_survey)
 		mt76_update_survey(phy);
 
-	sband = &phy->sband_2g;
-	if (idx >= sband->sband.n_channels) {
-		idx -= sband->sband.n_channels;
+	if (idx >= phy->sband_2g.sband.n_channels +
+		   phy->sband_5g.sband.n_channels) {
+		idx -= (phy->sband_2g.sband.n_channels +
+			phy->sband_5g.sband.n_channels);
+		sband = &phy->sband_6g;
+	} else if (idx >= phy->sband_2g.sband.n_channels) {
+		idx -= phy->sband_2g.sband.n_channels;
 		sband = &phy->sband_5g;
+	} else {
+		sband = &phy->sband_2g;
 	}
 
 	if (idx >= sband->sband.n_channels) {
@@ -1285,7 +1397,7 @@ int mt76_get_rate(struct mt76_dev *dev,
 	int i, offset = 0, len = sband->n_bitrates;
 
 	if (cck) {
-		if (sband == &dev->phy.sband_5g.sband)
+		if (sband != &dev->phy.sband_2g.sband)
 			return 0;
 
 		idx &= ~BIT(2); /* short preamble */
@@ -1357,7 +1469,7 @@ u16 mt76_calculate_default_rate(struct mt76_phy *phy, int rateidx)
 	int offset = 0;
 	struct ieee80211_rate *rate;
 
-	if (phy->chandef.chan->band == NL80211_BAND_5GHZ)
+	if (phy->chandef.chan->band != NL80211_BAND_2GHZ)
 		offset = 4;
 
 	rate = &mt76_rates[offset + rateidx];
-- 
2.31.1

[PATCH 9/9] mt76: mt7921: add 6GHz support

[Lorenzo Bianconi]

Unlock 6GHz band if supported by the device. Configure HE 6G
capabilities.

Tested-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
 .../net/wireless/mediatek/mt76/mt7921/mac.c   | 33 ++++++++++------
 .../net/wireless/mediatek/mt76/mt7921/main.c  | 39 ++++++++++++++++++-
 .../net/wireless/mediatek/mt76/mt7921/mcu.c   |  6 ++-
 .../wireless/mediatek/mt76/mt7921/mt7921.h    |  2 +-
 4 files changed, 64 insertions(+), 16 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
index 55b7a52cd232..7eee67a4d184 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c
@@ -355,7 +355,14 @@ mt7921_get_status_freq_info(struct mt7921_dev *dev, struct mt76_phy *mphy,
 		return;
 	}
 
-	status->band = chfreq <= 14 ? NL80211_BAND_2GHZ : NL80211_BAND_5GHZ;
+	if (chfreq > 180) {
+		status->band = NL80211_BAND_6GHZ;
+		chfreq = (chfreq - 181) * 4 + 1;
+	} else if (chfreq > 14) {
+		status->band = NL80211_BAND_5GHZ;
+	} else {
+		status->band = NL80211_BAND_2GHZ;
+	}
 	status->freq = ieee80211_channel_to_frequency(chfreq, status->band);
 }
 
@@ -441,10 +448,17 @@ mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb)
 
 	mt7921_get_status_freq_info(dev, mphy, status, chfreq);
 
-	if (status->band == NL80211_BAND_5GHZ)
+	switch (status->band) {
+	case NL80211_BAND_5GHZ:
 		sband = &mphy->sband_5g.sband;
-	else
+		break;
+	case NL80211_BAND_6GHZ:
+		sband = &mphy->sband_6g.sband;
+		break;
+	default:
 		sband = &mphy->sband_2g.sband;
+		break;
+	}
 
 	if (!sband->channels)
 		return -EINVAL;
@@ -994,7 +1008,7 @@ mt7921_tx_check_aggr(struct ieee80211_sta *sta, __le32 *txwi)
 	u16 fc, tid;
 	u32 val;
 
-	if (!sta || !sta->ht_cap.ht_supported)
+	if (!sta || !(sta->ht_cap.ht_supported || sta->he_cap.has_he))
 		return;
 
 	tid = FIELD_GET(MT_TXD1_TID, le32_to_cpu(txwi[1]));
@@ -1397,17 +1411,12 @@ void mt7921_mac_set_timing(struct mt7921_phy *phy)
 		  FIELD_PREP(MT_TIMEOUT_VAL_CCA, 48);
 	u32 ofdm = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, 60) |
 		   FIELD_PREP(MT_TIMEOUT_VAL_CCA, 28);
-	int sifs, offset;
-	bool is_5ghz = phy->mt76->chandef.chan->band == NL80211_BAND_5GHZ;
+	bool is_2ghz = phy->mt76->chandef.chan->band == NL80211_BAND_2GHZ;
+	int sifs = is_2ghz ? 10 : 16, offset;
 
 	if (!test_bit(MT76_STATE_RUNNING, &phy->mt76->state))
 		return;
 
-	if (is_5ghz)
-		sifs = 16;
-	else
-		sifs = 10;
-
 	mt76_set(dev, MT_ARB_SCR(0),
 		 MT_ARB_SCR_TX_DISABLE | MT_ARB_SCR_RX_DISABLE);
 	udelay(1);
@@ -1424,7 +1433,7 @@ void mt7921_mac_set_timing(struct mt7921_phy *phy)
 		FIELD_PREP(MT_IFS_SIFS, sifs) |
 		FIELD_PREP(MT_IFS_SLOT, phy->slottime));
 
-	if (phy->slottime < 20 || is_5ghz)
+	if (phy->slottime < 20 || !is_2ghz)
 		val = MT7921_CFEND_RATE_DEFAULT;
 	else
 		val = MT7921_CFEND_RATE_11B;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/main.c b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
index 217ed7055aa0..cd3974b6ba8f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
@@ -72,7 +72,7 @@ mt7921_init_he_caps(struct mt7921_phy *phy, enum nl80211_band band,
 		if (band == NL80211_BAND_2GHZ)
 			he_cap_elem->phy_cap_info[0] =
 				IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
-		else if (band == NL80211_BAND_5GHZ)
+		else
 			he_cap_elem->phy_cap_info[0] =
 				IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G;
 
@@ -93,7 +93,7 @@ mt7921_init_he_caps(struct mt7921_phy *phy, enum nl80211_band band,
 			if (band == NL80211_BAND_2GHZ)
 				he_cap_elem->phy_cap_info[0] |=
 					IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G;
-			else if (band == NL80211_BAND_5GHZ)
+			else
 				he_cap_elem->phy_cap_info[0] |=
 					IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G;
 
@@ -142,6 +142,32 @@ mt7921_init_he_caps(struct mt7921_phy *phy, enum nl80211_band band,
 			he_cap_elem->phy_cap_info[9] |=
 				IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US;
 		}
+
+		if (band == NL80211_BAND_6GHZ) {
+			struct ieee80211_supported_band *sband =
+				&phy->mt76->sband_5g.sband;
+			struct ieee80211_sta_vht_cap *vht_cap = &sband->vht_cap;
+			struct ieee80211_sta_ht_cap *ht_cap = &sband->ht_cap;
+			u32 exp;
+			u16 cap;
+
+			cap = u16_encode_bits(ht_cap->ampdu_density,
+					IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START);
+			exp = u32_get_bits(vht_cap->cap,
+				IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK);
+			cap |= u16_encode_bits(exp,
+					IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP);
+			exp = u32_get_bits(vht_cap->cap,
+					   IEEE80211_VHT_CAP_MAX_MPDU_MASK);
+			cap |= u16_encode_bits(exp,
+					IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN);
+			if (vht_cap->cap & IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN)
+				cap |= IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS;
+			if (vht_cap->cap & IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN)
+				cap |= IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS;
+
+			data->he_6ghz_capa.capa = cpu_to_le16(cap);
+		}
 		idx++;
 	}
 
@@ -170,6 +196,15 @@ void mt7921_set_stream_he_caps(struct mt7921_phy *phy)
 		band = &phy->mt76->sband_5g.sband;
 		band->iftype_data = data;
 		band->n_iftype_data = n;
+
+		if (phy->mt76->cap.has_6ghz) {
+			data = phy->iftype[NL80211_BAND_6GHZ];
+			n = mt7921_init_he_caps(phy, NL80211_BAND_6GHZ, data);
+
+			band = &phy->mt76->sband_6g.sband;
+			band->iftype_data = data;
+			band->n_iftype_data = n;
+		}
 	}
 }
 
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
index f49fc8078125..34038f182bb0 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
@@ -1028,9 +1028,13 @@ int mt7921_mcu_set_chan_info(struct mt7921_phy *phy, int cmd)
 		.tx_streams_num = hweight8(phy->mt76->antenna_mask),
 		.rx_streams = phy->mt76->antenna_mask,
 		.band_idx = phy != &dev->phy,
-		.channel_band = chandef->chan->band,
 	};
 
+	if (chandef->chan->band == NL80211_BAND_6GHZ)
+		req.channel_band = 2;
+	else
+		req.channel_band = chandef->chan->band;
+
 	if (dev->mt76.hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)
 		req.switch_reason = CH_SWITCH_SCAN_BYPASS_DPD;
 	else if ((chandef->chan->flags & IEEE80211_CHAN_RADAR) &&
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
index a6caca73fdda..856035e0a5b7 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h
@@ -111,7 +111,7 @@ struct mt7921_phy {
 	struct mt76_phy *mt76;
 	struct mt7921_dev *dev;
 
-	struct ieee80211_sband_iftype_data iftype[2][NUM_NL80211_IFTYPES];
+	struct ieee80211_sband_iftype_data iftype[NUM_NL80211_BANDS][NUM_NL80211_IFTYPES];
 
 	u32 rxfilter;
 	u64 omac_mask;
-- 
2.31.1