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wifi: mt76: mt7925: update the power-saving flow

PATCH New [email protected] 1 participant 1 message Feb 26, 2025

Subsystems (3)
Stable branch Arm MediaTek MediaTek MT76 wireless LAN driver
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PATCH v3 6/6 wifi: mt76: mt7925: update the power-saving flow

From: Sean Wang <[email protected]>

After joining MLO, ensure that all links are setup before enabling power-saving.

Fixes 86c051f2c418 ("wifi: mt76: mt7925: enabling MLO when the firmware supports it")
Cc [email protected]
Signed-off-by Sean Wang <[email protected]>

---
v2, v3: generate the patch based on the latest mt76 tree

---
 .../net/wireless/mediatek/mt76/mt7925/init.c  |  1 +
 .../net/wireless/mediatek/mt76/mt7925/main.c  | 65 ++++++++++++++++---
 .../wireless/mediatek/mt76/mt7925/mt7925.h    |  1 +
 drivers/net/wireless/mediatek/mt76/mt792x.h   |  9 +++
 4 files changed, 67 insertions(+), 9 deletions(-)
drivers/net/wireless/mediatek/mt76/mt7925/init.c +1 -0
index f41ca4248497..a2bb36dab231 100644
@@ -244,6 +244,7 @@ int mt7925_register_device(struct mt792x_dev *dev)
 	dev->mt76.tx_worker.fn = mt792x_tx_worker;
 
 	INIT_DELAYED_WORK(&dev->pm.ps_work, mt792x_pm_power_save_work);
+	INIT_DELAYED_WORK(&dev->mlo_pm_work, mt7925_mlo_pm_work);
 	INIT_WORK(&dev->pm.wake_work, mt792x_pm_wake_work);
 	spin_lock_init(&dev->pm.wake.lock);
 	mutex_init(&dev->pm.mutex);
drivers/net/wireless/mediatek/mt76/mt7925/main.c +56 -9

108 lines not on this page · raw message

drivers/net/wireless/mediatek/mt76/mt7925/mt7925.h +1 -0
index fd5f9d4ea4a7..cb7b1a49fbd1 100644
@@ -268,6 +268,7 @@ int mt7925_mcu_uni_tx_ba(struct mt792x_dev *dev,
 int mt7925_mcu_uni_rx_ba(struct mt792x_dev *dev,
 			 struct ieee80211_ampdu_params *params,
 			 bool enable);
+void mt7925_mlo_pm_work(struct work_struct *work);
 void mt7925_scan_work(struct work_struct *work);
 void mt7925_roc_work(struct work_struct *work);
 int mt7925_mcu_uni_bss_ps(struct mt792x_dev *dev,
drivers/net/wireless/mediatek/mt76/mt792x.h +9 -0
index 32ed01a96bf7..6e25a4421e12 100644
@@ -81,6 +81,13 @@ enum mt792x_reg_power_type {
 	MT_AP_VLP,
 };
 
+enum mt792x_mlo_pm_state {
+	MT792x_MLO_LINK_DISASSOC,
+	MT792x_MLO_LINK_ASSOC,
+	MT792x_MLO_CHANGED_PS_PENDING,
+	MT792x_MLO_CHANGED_PS,
+};
+
 DECLARE_EWMA(avg_signal, 10, 8)
 
 struct mt792x_link_sta {

@@ -134,6 +141,7 @@ struct mt792x_vif {
 	struct mt792x_phy *phy;
 	u16 valid_links;
 	u8 deflink_id;
+	enum mt792x_mlo_pm_state mlo_pm_state;
 
 	struct work_struct csa_work;
 	struct timer_list csa_timer;

@@ -239,6 +247,7 @@ struct mt792x_dev {
 	const struct mt792x_irq_map *irq_map;
 
 	struct work_struct ipv6_ns_work;
+	struct delayed_work mlo_pm_work;
 	/* IPv6 addresses for WoWLAN */
 	struct sk_buff_head ipv6_ns_list;
Signature · 1 line
2.25.1