[14/14] wifi: mt76: do not add wcid entries to sta poll list during MCU reset

Message ID	20241230194202.95065-14-nbd@nbd.name (mailing list archive)
State	Accepted
Delegated to:	Felix Fietkau
Headers	show Received: from nbd.name (nbd.name [46.4.11.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A32C619ADA4 for <linux-wireless@vger.kernel.org>; Mon, 30 Dec 2024 19:42:13 +0000 (UTC) From: Felix Fietkau <nbd@nbd.name> To: linux-wireless@vger.kernel.org Subject: [PATCH 14/14] wifi: mt76: do not add wcid entries to sta poll list during MCU reset Date: Mon, 30 Dec 2024 20:42:02 +0100 Message-ID: <20241230194202.95065-14-nbd@nbd.name> In-Reply-To: <20241230194202.95065-1-nbd@nbd.name> References: <20241230194202.95065-1-nbd@nbd.name> Precedence: bulk MIME-Version: 1.0 Content-Transfer-Encoding: 8bit
Series	[01/14] wifi: mt76: remove mt76_calculate_default_rate() \| expand [01/14] wifi: mt76: remove mt76_calculate_default_rate() [02/14] wifi: mt76: mt7996: remove phy->monitor_vif [03/14] wifi: mt76: mt7915: fix slot time for 5/6GHz [04/14] wifi: mt76: mt7915: fix eifs value on older chipsets [05/14] wifi: mt76: mt7996: fix rx filter setting for bfee functionality [06/14] wifi: mt76: mt7915: reduce the number of command retries [07/14] wifi: mt76: mt7915: decrease timeout for commonly issued MCU commands [08/14] wifi: mt76: only enable tx worker after setting the channel [09/14] wifi: mt76: mt7915: ensure that only one sta entry is active per mac address [10/14] wifi: mt76: mt7915: hold dev->mutex while interacting with the thermal state [11/14] wifi: mt76: mt7915: firmware restart on devices with a second pcie link [12/14] wifi: mt76: mt7915: fix omac index assignment after hardware reset [13/14] wifi: mt76: mt7996: use mac80211 .sta_state op [14/14] wifi: mt76: do not add wcid entries to sta poll list during MCU reset

diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c index 3642c490fa6d..6db59652be6e 100644 --- a/drivers/net/wireless/mediatek/mt76/mac80211.c +++ b/drivers/net/wireless/mediatek/mt76/mac80211.c @@ -1595,6 +1595,18 @@ void mt76_wcid_cleanup(struct mt76_dev *dev, struct mt76_wcid *wcid) } EXPORT_SYMBOL_GPL(mt76_wcid_cleanup); +void mt76_wcid_add_poll(struct mt76_dev *dev, struct mt76_wcid *wcid) +{ + if (test_bit(MT76_MCU_RESET, &dev->phy.state)) + return; + + spin_lock_bh(&dev->sta_poll_lock); + if (list_empty(&wcid->poll_list)) + list_add_tail(&wcid->poll_list, &dev->sta_poll_list); + spin_unlock_bh(&dev->sta_poll_lock); +} +EXPORT_SYMBOL_GPL(mt76_wcid_add_poll); + int mt76_get_txpower(struct ieee80211_hw *hw, struct ieee80211_vif *vif, unsigned int link_id, int *dbm) { diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h index 3bc591c14b65..34b6b094b8eb 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76.h +++ b/drivers/net/wireless/mediatek/mt76/mt76.h @@ -1735,5 +1735,6 @@ mt76_token_put(struct mt76_dev *dev, int token) void mt76_wcid_init(struct mt76_wcid *wcid); void mt76_wcid_cleanup(struct mt76_dev *dev, struct mt76_wcid *wcid); +void mt76_wcid_add_poll(struct mt76_dev *dev, struct mt76_wcid *wcid); #endif diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/mac.c b/drivers/net/wireless/mediatek/mt76/mt7603/mac.c index dc8a77f0a1cc..dafa4b05f623 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7603/mac.c @@ -1277,12 +1277,7 @@ void mt7603_mac_add_txs(struct mt7603_dev *dev, void *data) msta = container_of(wcid, struct mt7603_sta, wcid); sta = wcid_to_sta(wcid); - - if (list_empty(&msta->wcid.poll_list)) { - spin_lock_bh(&dev->mt76.sta_poll_lock); - list_add_tail(&msta->wcid.poll_list, &dev->mt76.sta_poll_list); - spin_unlock_bh(&dev->mt76.sta_poll_lock); - } + mt76_wcid_add_poll(&dev->mt76, &msta->wcid); if (mt7603_mac_add_txs_skb(dev, msta, pid, txs_data)) goto out; diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c index 7ba789834e8d..27c3857bcd7b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c @@ -387,11 +387,7 @@ static int mt7615_mac_fill_rx(struct mt7615_dev *dev, struct sk_buff *skb) struct mt7615_sta *msta; msta = container_of(status->wcid, struct mt7615_sta, wcid); - spin_lock_bh(&dev->mt76.sta_poll_lock); - if (list_empty(&msta->wcid.poll_list)) - list_add_tail(&msta->wcid.poll_list, - &dev->mt76.sta_poll_list); - spin_unlock_bh(&dev->mt76.sta_poll_lock); + mt76_wcid_add_poll(&dev->mt76, &msta->wcid); } if (mt76_is_mmio(&dev->mt76) && (rxd0 & csum_mask) == csum_mask && @@ -1514,11 +1510,7 @@ static void mt7615_mac_add_txs(struct mt7615_dev *dev, void *data) msta = container_of(wcid, struct mt7615_sta, wcid); sta = wcid_to_sta(wcid); - - spin_lock_bh(&dev->mt76.sta_poll_lock); - if (list_empty(&msta->wcid.poll_list)) - list_add_tail(&msta->wcid.poll_list, &dev->mt76.sta_poll_list); - spin_unlock_bh(&dev->mt76.sta_poll_lock); + mt76_wcid_add_poll(&dev->mt76, &msta->wcid); if (mt7615_mac_add_txs_skb(dev, msta, pid, txs_data)) goto out; diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c index a72551ba27e4..f719457e39b2 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c @@ -1174,11 +1174,7 @@ void mt76_connac2_txwi_free(struct mt76_dev *dev, struct mt76_txwi_cache *t, if (wcid && wcid->sta) { sta = container_of((void *)wcid, struct ieee80211_sta, drv_priv); - spin_lock_bh(&dev->sta_poll_lock); - if (list_empty(&wcid->poll_list)) - list_add_tail(&wcid->poll_list, - &dev->sta_poll_list); - spin_unlock_bh(&dev->sta_poll_lock); + mt76_wcid_add_poll(dev, wcid); } } diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c index e2693aea2e8e..13bdc0a7174c 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c @@ -333,11 +333,7 @@ mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb, if (status->wcid) { msta = container_of(status->wcid, struct mt7915_sta, wcid); - spin_lock_bh(&dev->mt76.sta_poll_lock); - if (list_empty(&msta->wcid.poll_list)) - list_add_tail(&msta->wcid.poll_list, - &dev->mt76.sta_poll_list); - spin_unlock_bh(&dev->mt76.sta_poll_lock); + mt76_wcid_add_poll(&dev->mt76, &msta->wcid); } status->freq = mphy->chandef.chan->center_freq; @@ -927,11 +923,7 @@ mt7915_mac_tx_free(struct mt7915_dev *dev, void *data, int len) continue; msta = container_of(wcid, struct mt7915_sta, wcid); - spin_lock_bh(&mdev->sta_poll_lock); - if (list_empty(&msta->wcid.poll_list)) - list_add_tail(&msta->wcid.poll_list, - &mdev->sta_poll_list); - spin_unlock_bh(&mdev->sta_poll_lock); + mt76_wcid_add_poll(&dev->mt76, &msta->wcid); continue; } @@ -1040,10 +1032,7 @@ static void mt7915_mac_add_txs(struct mt7915_dev *dev, void *data) if (!wcid->sta) goto out; - spin_lock_bh(&dev->mt76.sta_poll_lock); - if (list_empty(&msta->wcid.poll_list)) - list_add_tail(&msta->wcid.poll_list, &dev->mt76.sta_poll_list); - spin_unlock_bh(&dev->mt76.sta_poll_lock); + mt76_wcid_add_poll(&dev->mt76, &msta->wcid); out: rcu_read_unlock(); diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c index bd1455698ebe..5dd57de59f27 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c @@ -216,11 +216,7 @@ mt7921_mac_fill_rx(struct mt792x_dev *dev, struct sk_buff *skb) if (status->wcid) { mlink = container_of(status->wcid, struct mt792x_link_sta, wcid); msta = container_of(mlink, struct mt792x_sta, deflink); - spin_lock_bh(&dev->mt76.sta_poll_lock); - if (list_empty(&mlink->wcid.poll_list)) - list_add_tail(&mlink->wcid.poll_list, - &dev->mt76.sta_poll_list); - spin_unlock_bh(&dev->mt76.sta_poll_lock); + mt76_wcid_add_poll(&dev->mt76, &mlink->wcid); } mt792x_get_status_freq_info(status, chfreq); @@ -479,10 +475,7 @@ void mt7921_mac_add_txs(struct mt792x_dev *dev, void *data) if (!wcid->sta) goto out; - spin_lock_bh(&dev->mt76.sta_poll_lock); - if (list_empty(&mlink->wcid.poll_list)) - list_add_tail(&mlink->wcid.poll_list, &dev->mt76.sta_poll_list); - spin_unlock_bh(&dev->mt76.sta_poll_lock); + mt76_wcid_add_poll(&dev->mt76, &mlink->wcid); out: rcu_read_unlock(); @@ -529,11 +522,7 @@ static void mt7921_mac_tx_free(struct mt792x_dev *dev, void *data, int len) continue; mlink = container_of(wcid, struct mt792x_link_sta, wcid); - spin_lock_bh(&mdev->sta_poll_lock); - if (list_empty(&mlink->wcid.poll_list)) - list_add_tail(&mlink->wcid.poll_list, - &mdev->sta_poll_list); - spin_unlock_bh(&mdev->sta_poll_lock); + mt76_wcid_add_poll(&dev->mt76, &mlink->wcid); continue; } diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/mac.c b/drivers/net/wireless/mediatek/mt76/mt7925/mac.c index a095fb31e391..187770537a1a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7925/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7925/mac.c @@ -395,11 +395,7 @@ mt7925_mac_fill_rx(struct mt792x_dev *dev, struct sk_buff *skb) if (status->wcid) { mlink = container_of(status->wcid, struct mt792x_link_sta, wcid); - spin_lock_bh(&dev->mt76.sta_poll_lock); - if (list_empty(&mlink->wcid.poll_list)) - list_add_tail(&mlink->wcid.poll_list, - &dev->mt76.sta_poll_list); - spin_unlock_bh(&dev->mt76.sta_poll_lock); + mt76_wcid_add_poll(&dev->mt76, &mlink->wcid); } mt792x_get_status_freq_info(status, chfreq); @@ -1054,10 +1050,7 @@ void mt7925_mac_add_txs(struct mt792x_dev *dev, void *data) if (!wcid->sta) goto out; - spin_lock_bh(&dev->mt76.sta_poll_lock); - if (list_empty(&mlink->wcid.poll_list)) - list_add_tail(&mlink->wcid.poll_list, &dev->mt76.sta_poll_list); - spin_unlock_bh(&dev->mt76.sta_poll_lock); + mt76_wcid_add_poll(&dev->mt76, &mlink->wcid); out: rcu_read_unlock(); @@ -1135,11 +1128,7 @@ mt7925_mac_tx_free(struct mt792x_dev *dev, void *data, int len) continue; mlink = container_of(wcid, struct mt792x_link_sta, wcid); - spin_lock_bh(&mdev->sta_poll_lock); - if (list_empty(&mlink->wcid.poll_list)) - list_add_tail(&mlink->wcid.poll_list, - &mdev->sta_poll_list); - spin_unlock_bh(&mdev->sta_poll_lock); + mt76_wcid_add_poll(&dev->mt76, &mlink->wcid); continue; } diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c index 4706ddefea9e..8e3620d8a7c8 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c @@ -478,11 +478,7 @@ mt7996_mac_fill_rx(struct mt7996_dev *dev, enum mt76_rxq_id q, if (status->wcid) { msta = container_of(status->wcid, struct mt7996_sta, wcid); - spin_lock_bh(&dev->mt76.sta_poll_lock); - if (list_empty(&msta->wcid.poll_list)) - list_add_tail(&msta->wcid.poll_list, - &dev->mt76.sta_poll_list); - spin_unlock_bh(&dev->mt76.sta_poll_lock); + mt76_wcid_add_poll(&dev->mt76, &msta->wcid); } status->freq = mphy->chandef.chan->center_freq; @@ -1149,11 +1145,7 @@ mt7996_mac_tx_free(struct mt7996_dev *dev, void *data, int len) continue; msta = container_of(wcid, struct mt7996_sta, wcid); - spin_lock_bh(&mdev->sta_poll_lock); - if (list_empty(&msta->wcid.poll_list)) - list_add_tail(&msta->wcid.poll_list, - &mdev->sta_poll_list); - spin_unlock_bh(&mdev->sta_poll_lock); + mt76_wcid_add_poll(&dev->mt76, &msta->wcid); continue; } else if (info & MT_TXFREE_INFO_HEADER) { u32 tx_retries = 0, tx_failed = 0; @@ -1379,10 +1371,7 @@ static void mt7996_mac_add_txs(struct mt7996_dev *dev, void *data) if (!wcid->sta) goto out; - spin_lock_bh(&dev->mt76.sta_poll_lock); - if (list_empty(&msta->wcid.poll_list)) - list_add_tail(&msta->wcid.poll_list, &dev->mt76.sta_poll_list); - spin_unlock_bh(&dev->mt76.sta_poll_lock); + mt76_wcid_add_poll(&dev->mt76, &msta->wcid); out: rcu_read_unlock();

[14/14] wifi: mt76: do not add wcid entries to sta poll list during MCU reset

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