2022-03-07 08:33:16

by MeiChia Chiu

[permalink] [raw]
Subject: [PATCH v3 1/4] mt76: connac: add 6 GHz support for wtbl and starec configuration

Since there are no HT & VHT IEs being sent in 6ghz,
some capabilities judgement and parsing for wtbl &
starec configuration should be modified to reflect such changes.

Reviewed-by: Ryder Lee <[email protected]>
Signed-off-by: Money Wang <[email protected]>
Signed-off-by: MeiChia Chiu <[email protected]>
---
The series is based on https://patchwork.kernel.org/project/linux-wireless/patch/[email protected]/
v3: use le16_get_bits instead of FIELD_GET
---
.../wireless/mediatek/mt76/mt76_connac_mcu.c | 24 ++++++++++++++-----
1 file changed, 18 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
index 6c762fbf9aaa..5e65fa3f3cba 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
@@ -905,18 +905,27 @@ void mt76_connac_mcu_wtbl_ht_tlv(struct mt76_dev *dev, struct sk_buff *skb,
struct tlv *tlv;
u32 flags = 0;

- if (sta->ht_cap.ht_supported) {
+ if (sta->ht_cap.ht_supported || sta->he_6ghz_capa.capa) {
tlv = mt76_connac_mcu_add_nested_tlv(skb, WTBL_HT, sizeof(*ht),
wtbl_tlv, sta_wtbl);
ht = (struct wtbl_ht *)tlv;
ht->ldpc = ht_ldpc &&
!!(sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING);
- ht->af = sta->ht_cap.ampdu_factor;
- ht->mm = sta->ht_cap.ampdu_density;
+
+ if (sta->ht_cap.ht_supported) {
+ ht->af = sta->ht_cap.ampdu_factor;
+ ht->mm = sta->ht_cap.ampdu_density;
+ } else {
+ ht->af = le16_get_bits(sta->he_6ghz_capa.capa,
+ IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP);
+ ht->mm = le16_get_bits(sta->he_6ghz_capa.capa,
+ IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START);
+ }
+
ht->ht = true;
}

- if (sta->vht_cap.vht_supported) {
+ if (sta->vht_cap.vht_supported || sta->he_6ghz_capa.capa) {
struct wtbl_vht *vht;
u8 af;

@@ -1242,7 +1251,7 @@ u8 mt76_connac_get_phy_mode(struct mt76_phy *phy, struct ieee80211_vif *vif,

if (he_cap && he_cap->has_he)
mode |= PHY_MODE_AX_24G;
- } else if (band == NL80211_BAND_5GHZ || band == NL80211_BAND_6GHZ) {
+ } else if (band == NL80211_BAND_5GHZ) {
mode |= PHY_MODE_A;

if (ht_cap->ht_supported)
@@ -1251,8 +1260,11 @@ u8 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 && he_cap->has_he && band == NL80211_BAND_5GHZ)
+ if (he_cap && he_cap->has_he)
mode |= PHY_MODE_AX_5G;
+ } else if (band == NL80211_BAND_6GHZ) {
+ mode |= PHY_MODE_A | PHY_MODE_AN |
+ PHY_MODE_AC | PHY_MODE_AX_5G;
}

return mode;
--
2.18.0


2022-03-07 09:42:40

by MeiChia Chiu

[permalink] [raw]
Subject: [PATCH v3 4/4] mt76: mt7915: add txpower init for 6GHz

From: Shayne Chen <[email protected]>

Add support to init txpower values of 6GHz band.

Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: MeiChia Chiu <[email protected]>
---
.../net/wireless/mediatek/mt76/mt7915/eeprom.c | 15 +++++++++++----
.../net/wireless/mediatek/mt76/mt7915/eeprom.h | 13 ++++++++++++-
drivers/net/wireless/mediatek/mt76/mt7915/init.c | 2 ++
3 files changed, 25 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c
index 317c3bc2db44..5b133bcdab17 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c
@@ -282,8 +282,8 @@ int mt7915_eeprom_get_target_power(struct mt7915_dev *dev,
if (!tssi_on)
target_power += eeprom[index + 1];
}
- } else {
- int group = mt7915_get_channel_group(chan->hw_value, is_7976);
+ } else if (chan->band == NL80211_BAND_5GHZ) {
+ int group = mt7915_get_channel_group_5g(chan->hw_value, is_7976);

if (is_7976) {
index = MT_EE_TX0_POWER_5G_V2 + chain_idx * 5;
@@ -295,6 +295,11 @@ int mt7915_eeprom_get_target_power(struct mt7915_dev *dev,
if (!tssi_on)
target_power += eeprom[index + 8];
}
+ } else {
+ int group = mt7915_get_channel_group_6g(chan->hw_value);
+
+ index = MT_EE_TX0_POWER_6G_V2 + chain_idx * 8;
+ target_power = is_7976 ? eeprom[index + group] : 0;
}

return target_power;
@@ -309,12 +314,14 @@ s8 mt7915_eeprom_get_power_delta(struct mt7915_dev *dev, int band)

if (band == NL80211_BAND_2GHZ)
offs = is_7976 ? MT_EE_RATE_DELTA_2G_V2 : MT_EE_RATE_DELTA_2G;
- else
+ else if (band == NL80211_BAND_5GHZ)
offs = is_7976 ? MT_EE_RATE_DELTA_5G_V2 : MT_EE_RATE_DELTA_5G;
+ else
+ offs = is_7976 ? MT_EE_RATE_DELTA_6G_V2 : 0;

val = eeprom[offs];

- if (!(val & MT_EE_RATE_DELTA_EN))
+ if (!offs || !(val & MT_EE_RATE_DELTA_EN))
return 0;

delta = FIELD_GET(MT_EE_RATE_DELTA_MASK, val);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h
index 45760917c54d..7578ac6d0be6 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h
@@ -25,8 +25,10 @@ enum mt7915_eeprom_field {
MT_EE_TX0_POWER_5G = 0x34b,
MT_EE_RATE_DELTA_2G_V2 = 0x7d3,
MT_EE_RATE_DELTA_5G_V2 = 0x81e,
+ MT_EE_RATE_DELTA_6G_V2 = 0x884, /* 6g fields only appear in eeprom v2 */
MT_EE_TX0_POWER_2G_V2 = 0x441,
MT_EE_TX0_POWER_5G_V2 = 0x445,
+ MT_EE_TX0_POWER_6G_V2 = 0x465,
MT_EE_ADIE_FT_VERSION = 0x9a0,

__MT_EE_MAX = 0xe00,
@@ -103,7 +105,7 @@ enum mt7915_sku_rate_group {
};

static inline int
-mt7915_get_channel_group(int channel, bool is_7976)
+mt7915_get_channel_group_5g(int channel, bool is_7976)
{
if (is_7976) {
if (channel <= 64)
@@ -134,6 +136,15 @@ mt7915_get_channel_group(int channel, bool is_7976)
return 7;
}

+static inline int
+mt7915_get_channel_group_6g(int channel)
+{
+ if (channel <= 29)
+ return 0;
+
+ return DIV_ROUND_UP(channel - 29, 32);
+}
+
static inline bool
mt7915_tssi_enabled(struct mt7915_dev *dev, enum nl80211_band band)
{
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
index 9a696687d61c..668244e0d11e 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
@@ -312,6 +312,7 @@ mt7915_regd_notifier(struct wiphy *wiphy,

mt7915_init_txpower(dev, &mphy->sband_2g.sband);
mt7915_init_txpower(dev, &mphy->sband_5g.sband);
+ mt7915_init_txpower(dev, &mphy->sband_6g.sband);

mphy->dfs_state = MT_DFS_STATE_UNKNOWN;
mt7915_dfs_init_radar_detector(phy);
@@ -558,6 +559,7 @@ static void mt7915_init_work(struct work_struct *work)
mt7915_mac_init(dev);
mt7915_init_txpower(dev, &dev->mphy.sband_2g.sband);
mt7915_init_txpower(dev, &dev->mphy.sband_5g.sband);
+ mt7915_init_txpower(dev, &dev->mphy.sband_6g.sband);
mt7915_txbf_init(dev);
}

--
2.18.0