From: <sean.wang@mediatek.com> To: <nbd@nbd.name>, <lorenzo.bianconi@redhat.com> Cc: <sean.wang@mediatek.com>, <Soul.Huang@mediatek.com>, <YN.Chen@mediatek.com>, <Leon.Yen@mediatek.com>, <Eric-SY.Chang@mediatek.com>, <Deren.Wu@mediatek.com>, <km.lin@mediatek.com>, <robin.chiu@mediatek.com>, <ch.yeh@mediatek.com>, <posh.sun@mediatek.com>, <Eric.Liang@mediatek.com>, <Stella.Chang@mediatek.com>, <jemele@google.com>, <yenlinlai@google.com>, <linux-wireless@vger.kernel.org>, <linux-mediatek@lists.infradead.org>, Deren Wu <deren.wu@mediatek.com>, YN Chen <yn.chen@mediatek.com> Subject: [PATCH 9/9] mt76: mt7921: add back connection monitor support Date: Mon, 10 May 2021 23:14:57 +0800 [thread overview] Message-ID: <1620659697-12048-9-git-send-email-sean.wang@mediatek.com> (raw) In-Reply-To: <1620659697-12048-1-git-send-email-sean.wang@mediatek.com> From: Sean Wang <sean.wang@mediatek.com> Hw beacon cmd to the mt7921 firmware doesn't only filter out the beacon, but also performs its own connection monitoring, including periodic keep-alives to the AP and probing the AP on beacon loss. Will indicate the host with the event when the firmware detects the connection is lost. Fixes: 1d8efc741df8 ("mt76: mt7921: introduce Runtime PM support") Reviewed-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Deren Wu <deren.wu@mediatek.com> Signed-off-by: YN Chen <yn.chen@mediatek.com> Signed-off-by: Sean Wang <sean.wang@mediatek.com> --- .../net/wireless/mediatek/mt76/mt7921/init.c | 4 +++ .../net/wireless/mediatek/mt76/mt7921/mcu.c | 32 +++++++++++++------ 2 files changed, 27 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c index cd68721314fa..cbb1d432a591 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c @@ -73,6 +73,7 @@ static void mt7921_init_wiphy(struct ieee80211_hw *hw) { struct mt7921_phy *phy = mt7921_hw_phy(hw); + struct mt7921_dev *dev = phy->dev; struct wiphy *wiphy = hw->wiphy; hw->queues = 4; @@ -112,6 +113,9 @@ mt7921_init_wiphy(struct ieee80211_hw *hw) ieee80211_hw_set(hw, SUPPORTS_PS); ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); + if (dev->pm.enable) + ieee80211_hw_set(hw, CONNECTION_MONITOR); + hw->max_tx_fragments = 4; } diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c index 67dc4b4cc094..7c68182cad55 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c @@ -450,22 +450,33 @@ mt7921_mcu_scan_event(struct mt7921_dev *dev, struct sk_buff *skb) } static void -mt7921_mcu_beacon_loss_event(struct mt7921_dev *dev, struct sk_buff *skb) +mt7921_mcu_connection_loss_iter(void *priv, u8 *mac, + struct ieee80211_vif *vif) +{ + struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; + struct mt76_connac_beacon_loss_event *event = priv; + + if (mvif->idx != event->bss_idx) + return; + + if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) + return; + + ieee80211_connection_loss(vif); +} + +static void +mt7921_mcu_connection_loss_event(struct mt7921_dev *dev, struct sk_buff *skb) { struct mt76_connac_beacon_loss_event *event; - struct mt76_phy *mphy; - u8 band_idx = 0; /* DBDC support */ + struct mt76_phy *mphy = &dev->mt76.phy; skb_pull(skb, sizeof(struct mt7921_mcu_rxd)); event = (struct mt76_connac_beacon_loss_event *)skb->data; - if (band_idx && dev->mt76.phy2) - mphy = dev->mt76.phy2; - else - mphy = &dev->mt76.phy; ieee80211_iterate_active_interfaces_atomic(mphy->hw, IEEE80211_IFACE_ITER_RESUME_ALL, - mt76_connac_mcu_beacon_loss_iter, event); + mt7921_mcu_connection_loss_iter, event); } static void @@ -530,7 +541,7 @@ mt7921_mcu_rx_unsolicited_event(struct mt7921_dev *dev, struct sk_buff *skb) switch (rxd->eid) { case MCU_EVENT_BSS_BEACON_LOSS: - mt7921_mcu_beacon_loss_event(dev, skb); + mt7921_mcu_connection_loss_event(dev, skb); break; case MCU_EVENT_SCHED_SCAN_DONE: case MCU_EVENT_SCAN_DONE: @@ -1368,6 +1379,7 @@ mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) { struct mt7921_phy *phy = priv; struct mt7921_dev *dev = phy->dev; + struct ieee80211_hw *hw = mt76_hw(dev); int ret; if (dev->pm.enable) @@ -1380,9 +1392,11 @@ mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) if (dev->pm.enable) { vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; + ieee80211_hw_set(hw, CONNECTION_MONITOR); mt76_set(dev, MT_WF_RFCR(0), MT_WF_RFCR_DROP_OTHER_BEACON); } else { vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER; + __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags); mt76_clear(dev, MT_WF_RFCR(0), MT_WF_RFCR_DROP_OTHER_BEACON); } } -- 2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: <sean.wang@mediatek.com> To: <nbd@nbd.name>, <lorenzo.bianconi@redhat.com> Cc: <sean.wang@mediatek.com>, <Soul.Huang@mediatek.com>, <YN.Chen@mediatek.com>, <Leon.Yen@mediatek.com>, <Eric-SY.Chang@mediatek.com>, <Deren.Wu@mediatek.com>, <km.lin@mediatek.com>, <robin.chiu@mediatek.com>, <ch.yeh@mediatek.com>, <posh.sun@mediatek.com>, <Eric.Liang@mediatek.com>, <Stella.Chang@mediatek.com>, <jemele@google.com>, <yenlinlai@google.com>, <linux-wireless@vger.kernel.org>, <linux-mediatek@lists.infradead.org>, Deren Wu <deren.wu@mediatek.com>, "YN Chen" <yn.chen@mediatek.com> Subject: [PATCH 9/9] mt76: mt7921: add back connection monitor support Date: Mon, 10 May 2021 23:14:57 +0800 [thread overview] Message-ID: <1620659697-12048-9-git-send-email-sean.wang@mediatek.com> (raw) In-Reply-To: <1620659697-12048-1-git-send-email-sean.wang@mediatek.com> From: Sean Wang <sean.wang@mediatek.com> Hw beacon cmd to the mt7921 firmware doesn't only filter out the beacon, but also performs its own connection monitoring, including periodic keep-alives to the AP and probing the AP on beacon loss. Will indicate the host with the event when the firmware detects the connection is lost. Fixes: 1d8efc741df8 ("mt76: mt7921: introduce Runtime PM support") Reviewed-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Deren Wu <deren.wu@mediatek.com> Signed-off-by: YN Chen <yn.chen@mediatek.com> Signed-off-by: Sean Wang <sean.wang@mediatek.com> --- .../net/wireless/mediatek/mt76/mt7921/init.c | 4 +++ .../net/wireless/mediatek/mt76/mt7921/mcu.c | 32 +++++++++++++------ 2 files changed, 27 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c index cd68721314fa..cbb1d432a591 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c @@ -73,6 +73,7 @@ static void mt7921_init_wiphy(struct ieee80211_hw *hw) { struct mt7921_phy *phy = mt7921_hw_phy(hw); + struct mt7921_dev *dev = phy->dev; struct wiphy *wiphy = hw->wiphy; hw->queues = 4; @@ -112,6 +113,9 @@ mt7921_init_wiphy(struct ieee80211_hw *hw) ieee80211_hw_set(hw, SUPPORTS_PS); ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); + if (dev->pm.enable) + ieee80211_hw_set(hw, CONNECTION_MONITOR); + hw->max_tx_fragments = 4; } diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c index 67dc4b4cc094..7c68182cad55 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c @@ -450,22 +450,33 @@ mt7921_mcu_scan_event(struct mt7921_dev *dev, struct sk_buff *skb) } static void -mt7921_mcu_beacon_loss_event(struct mt7921_dev *dev, struct sk_buff *skb) +mt7921_mcu_connection_loss_iter(void *priv, u8 *mac, + struct ieee80211_vif *vif) +{ + struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; + struct mt76_connac_beacon_loss_event *event = priv; + + if (mvif->idx != event->bss_idx) + return; + + if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER)) + return; + + ieee80211_connection_loss(vif); +} + +static void +mt7921_mcu_connection_loss_event(struct mt7921_dev *dev, struct sk_buff *skb) { struct mt76_connac_beacon_loss_event *event; - struct mt76_phy *mphy; - u8 band_idx = 0; /* DBDC support */ + struct mt76_phy *mphy = &dev->mt76.phy; skb_pull(skb, sizeof(struct mt7921_mcu_rxd)); event = (struct mt76_connac_beacon_loss_event *)skb->data; - if (band_idx && dev->mt76.phy2) - mphy = dev->mt76.phy2; - else - mphy = &dev->mt76.phy; ieee80211_iterate_active_interfaces_atomic(mphy->hw, IEEE80211_IFACE_ITER_RESUME_ALL, - mt76_connac_mcu_beacon_loss_iter, event); + mt7921_mcu_connection_loss_iter, event); } static void @@ -530,7 +541,7 @@ mt7921_mcu_rx_unsolicited_event(struct mt7921_dev *dev, struct sk_buff *skb) switch (rxd->eid) { case MCU_EVENT_BSS_BEACON_LOSS: - mt7921_mcu_beacon_loss_event(dev, skb); + mt7921_mcu_connection_loss_event(dev, skb); break; case MCU_EVENT_SCHED_SCAN_DONE: case MCU_EVENT_SCAN_DONE: @@ -1368,6 +1379,7 @@ mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) { struct mt7921_phy *phy = priv; struct mt7921_dev *dev = phy->dev; + struct ieee80211_hw *hw = mt76_hw(dev); int ret; if (dev->pm.enable) @@ -1380,9 +1392,11 @@ mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) if (dev->pm.enable) { vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; + ieee80211_hw_set(hw, CONNECTION_MONITOR); mt76_set(dev, MT_WF_RFCR(0), MT_WF_RFCR_DROP_OTHER_BEACON); } else { vif->driver_flags &= ~IEEE80211_VIF_BEACON_FILTER; + __clear_bit(IEEE80211_HW_CONNECTION_MONITOR, hw->flags); mt76_clear(dev, MT_WF_RFCR(0), MT_WF_RFCR_DROP_OTHER_BEACON); } } -- 2.25.1 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek
next prev parent reply other threads:[~2021-05-10 15:18 UTC|newest] Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-05-10 15:14 [PATCH 1/9] mt76: mt7921: fix mt7921_wfsys_reset sequence sean.wang 2021-05-10 15:14 ` sean.wang 2021-05-10 15:14 ` [PATCH 2/9] mt76: mt7921: Don't alter Rx path classifier sean.wang 2021-05-10 15:14 ` sean.wang 2021-05-10 15:14 ` [PATCH 3/9] mt76: connac: fw_own rely on all packet memory all being free sean.wang 2021-05-10 15:14 ` sean.wang 2021-05-10 15:14 ` [PATCH 4/9] mt76: mt7921: enable deep sleep at runtime sean.wang 2021-05-10 15:14 ` sean.wang 2021-05-28 12:51 ` Felix Fietkau 2021-05-28 12:51 ` Felix Fietkau 2021-05-10 15:14 ` [PATCH 5/9] mt76: mt7921: add deep sleep control to runtime-pm knob sean.wang 2021-05-10 15:14 ` sean.wang 2021-05-10 15:14 ` [PATCH 6/9] mt76: connac: fix WoW with disconnetion and bitmap pattern sean.wang 2021-05-10 15:14 ` sean.wang 2021-05-10 15:14 ` [PATCH 7/9] mt76: mt7921: consider the invalid value for to_rssi sean.wang 2021-05-10 15:14 ` sean.wang 2021-05-10 15:14 ` [PATCH 8/9] mt76: connac: add bss color support for sta mode sean.wang 2021-05-10 15:14 ` sean.wang [this message] 2021-05-10 15:14 ` [PATCH 9/9] mt76: mt7921: add back connection monitor support sean.wang 2021-05-13 7:45 ` Felix Fietkau 2021-05-13 7:45 ` Felix Fietkau [not found] <79633d77-a326-fb46-6356-65dddea9da44@nbd.name--annotate> 2021-05-13 9:55 ` sean.wang 2021-05-13 9:55 ` sean.wang
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