2022-10-25 01:15:37

by Ryder Lee

[permalink] [raw]
Subject: [PATCH 2/2] wifi: mt76: mt7615: enable use_cts_prot support

This adds selectable RTC/CTS enablement for each interface.

Signed-off-by: Ryder Lee <[email protected]>
Change-Id: Id36a67f1f1ef21e42cfbbe97a5a502b7a2c2d786
---
drivers/net/wireless/mediatek/mt76/mt7615/mac.c | 15 +++++++++++++++
drivers/net/wireless/mediatek/mt76/mt7615/main.c | 3 +++
.../net/wireless/mediatek/mt76/mt7615/mt7615.h | 2 ++
drivers/net/wireless/mediatek/mt76/mt7615/regs.h | 2 ++
4 files changed, 22 insertions(+)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
index 2ce1705c0f43..45cad911687d 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
@@ -1177,6 +1177,21 @@ void mt7615_mac_set_rates(struct mt7615_phy *phy, struct mt7615_sta *sta,
}
EXPORT_SYMBOL_GPL(mt7615_mac_set_rates);

+void mt7615_mac_enable_rtscts(struct mt7615_dev *dev,
+ struct ieee80211_vif *vif, bool enable)
+{
+ struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
+ u32 addr;
+
+ addr = mt7615_mac_wtbl_addr(dev, mvif->sta.wcid.idx) + 3 * 4;
+
+ if (enable)
+ mt76_set(dev, addr, MT_WTBL_W3_RTS);
+ else
+ mt76_clear(dev, addr, MT_WTBL_W3_RTS);
+}
+EXPORT_SYMBOL_GPL(mt7615_mac_enable_rtscts);
+
static int
mt7615_mac_wtbl_update_key(struct mt7615_dev *dev, struct mt76_wcid *wcid,
struct ieee80211_key_conf *key,
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/main.c b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
index 8d4733f87cda..98f9e2155009 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
@@ -572,6 +572,9 @@ static void mt7615_bss_info_changed(struct ieee80211_hw *hw,
}
}

+ if (changed & BSS_CHANGED_ERP_CTS_PROT)
+ mt7615_mac_enable_rtscts(dev, vif, info->use_cts_prot);
+
if (changed & BSS_CHANGED_BEACON_ENABLED && info->enable_beacon) {
mt7615_mcu_add_bss_info(phy, vif, NULL, true);
mt7615_mcu_sta_add(phy, vif, NULL, true);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
index 060d52c81d9e..f632e6a99038 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
@@ -473,6 +473,8 @@ void mt7615_mac_reset_counters(struct mt7615_dev *dev);
void mt7615_mac_cca_stats_reset(struct mt7615_phy *phy);
void mt7615_mac_set_scs(struct mt7615_phy *phy, bool enable);
void mt7615_mac_enable_nf(struct mt7615_dev *dev, bool ext_phy);
+void mt7615_mac_enable_rtscts(struct mt7615_dev *dev,
+ struct ieee80211_vif *vif, bool enable);
void mt7615_mac_sta_poll(struct mt7615_dev *dev);
int mt7615_mac_write_txwi(struct mt7615_dev *dev, __le32 *txwi,
struct sk_buff *skb, struct mt76_wcid *wcid,
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/regs.h b/drivers/net/wireless/mediatek/mt76/mt7615/regs.h
index 6712ad9faeaa..fa1b9b26b399 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/regs.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/regs.h
@@ -446,6 +446,8 @@ enum mt7615_reg_base {
#define MT_WTBL_RIUCR3_RATE6 GENMASK(19, 8)
#define MT_WTBL_RIUCR3_RATE7 GENMASK(31, 20)

+#define MT_WTBL_W3_RTS BIT(22)
+
#define MT_WTBL_W5_CHANGE_BW_RATE GENMASK(7, 5)
#define MT_WTBL_W5_SHORT_GI_20 BIT(8)
#define MT_WTBL_W5_SHORT_GI_40 BIT(9)
--
2.36.1