From patchwork Tue Jun 13 14:32:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 13278894 X-Patchwork-Delegate: nbd@nbd.name Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 95557EB64D9 for ; Tue, 13 Jun 2023 14:34:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242261AbjFMOeH (ORCPT ); Tue, 13 Jun 2023 10:34:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49894 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242928AbjFMOdo (ORCPT ); Tue, 13 Jun 2023 10:33:44 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A73F31738 for ; Tue, 13 Jun 2023 07:33:36 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id A38C163725 for ; Tue, 13 Jun 2023 14:33:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B57A5C433F0; Tue, 13 Jun 2023 14:33:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1686666815; bh=OYpsw9zUNNG9FUUXhVxN0+GzzKiZoHc0PafiZYwnyi8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rkP+y1i49gnLf+KO4FjBvLNxyLx+zlFTOczbJyFbhX5vP7NB/S5EAI4eRQR1kL6sr IbB58GrTMWM3QPrpXpapj2cyIL4vX82wctlYEW52djc09rHroYurN7KFl1fMAd04h6 P17ut2NgrZsKB10u5J0R56tvpzUX13kTnEgj8ZY1gUlBZzNPopGwI2CyxjtlwV7Raf dOcMDVEvWQd4jEwYIoBmRy9qt03mjYWch91gl1hVYeGU07jWmBjG82o01lnbTvZnlI n+aTjTLo/K23MHfapzhUyqDAGDUkfYQAj3kBO3FRRd0GkCa9ASfaxh6rmjnEbx+kSC eP6xX+ok0qNkA== From: Lorenzo Bianconi To: nbd@nbd.name Cc: lorenzo.bianconi@redhat.com, linux-wireless@vger.kernel.org, shayne.chen@mediatek.com, ryder.lee@mediatek.com, deren.wu@mediatek.com Subject: [PATCH v3 04/15] wifi: mt76: mt7996: rely on shared sta_poll_list and sta_poll_lock Date: Tue, 13 Jun 2023 16:32:32 +0200 Message-Id: X-Mailer: git-send-email 2.40.1 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Rely on sta_poll_list and sta_poll_lock fields in mt76_dev structure and get rid of private copies. Signed-off-by: Lorenzo Bianconi --- .../net/wireless/mediatek/mt76/mt7996/init.c | 2 - .../net/wireless/mediatek/mt76/mt7996/mac.c | 40 ++++++++++--------- .../net/wireless/mediatek/mt76/mt7996/main.c | 12 +++--- .../wireless/mediatek/mt76/mt7996/mt7996.h | 2 - 4 files changed, 27 insertions(+), 29 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/init.c b/drivers/net/wireless/mediatek/mt76/mt7996/init.c index f1b48cdda58f..8f3536dbe2bb 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/init.c @@ -853,9 +853,7 @@ int mt7996_register_device(struct mt7996_dev *dev) INIT_WORK(&dev->rc_work, mt7996_mac_sta_rc_work); INIT_DELAYED_WORK(&dev->mphy.mac_work, mt7996_mac_work); INIT_LIST_HEAD(&dev->sta_rc_list); - INIT_LIST_HEAD(&dev->sta_poll_list); INIT_LIST_HEAD(&dev->twt_list); - spin_lock_init(&dev->sta_poll_lock); init_waitqueue_head(&dev->reset_wait); INIT_WORK(&dev->reset_work, mt7996_mac_reset_work); diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c index 740d08e9d5e5..18249572cb2e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c @@ -111,9 +111,9 @@ static void mt7996_mac_sta_poll(struct mt7996_dev *dev) LIST_HEAD(sta_poll_list); int i; - spin_lock_bh(&dev->sta_poll_lock); - list_splice_init(&dev->sta_poll_list, &sta_poll_list); - spin_unlock_bh(&dev->sta_poll_lock); + spin_lock_bh(&dev->mt76.sta_poll_lock); + list_splice_init(&dev->mt76.sta_poll_list, &sta_poll_list); + spin_unlock_bh(&dev->mt76.sta_poll_lock); rcu_read_lock(); @@ -124,15 +124,15 @@ static void mt7996_mac_sta_poll(struct mt7996_dev *dev) s8 rssi[4]; u8 bw; - spin_lock_bh(&dev->sta_poll_lock); + spin_lock_bh(&dev->mt76.sta_poll_lock); if (list_empty(&sta_poll_list)) { - spin_unlock_bh(&dev->sta_poll_lock); + spin_unlock_bh(&dev->mt76.sta_poll_lock); break; } msta = list_first_entry(&sta_poll_list, struct mt7996_sta, poll_list); list_del_init(&msta->poll_list); - spin_unlock_bh(&dev->sta_poll_lock); + spin_unlock_bh(&dev->mt76.sta_poll_lock); idx = msta->wcid.idx; @@ -681,10 +681,11 @@ mt7996_mac_fill_rx(struct mt7996_dev *dev, struct sk_buff *skb) struct mt7996_sta *msta; msta = container_of(status->wcid, struct mt7996_sta, wcid); - spin_lock_bh(&dev->sta_poll_lock); + spin_lock_bh(&dev->mt76.sta_poll_lock); if (list_empty(&msta->poll_list)) - list_add_tail(&msta->poll_list, &dev->sta_poll_list); - spin_unlock_bh(&dev->sta_poll_lock); + list_add_tail(&msta->poll_list, + &dev->mt76.sta_poll_list); + spin_unlock_bh(&dev->mt76.sta_poll_lock); } status->freq = mphy->chandef.chan->center_freq; @@ -1286,10 +1287,11 @@ mt7996_mac_tx_free(struct mt7996_dev *dev, void *data, int len) continue; msta = container_of(wcid, struct mt7996_sta, wcid); - spin_lock_bh(&dev->sta_poll_lock); + spin_lock_bh(&mdev->sta_poll_lock); if (list_empty(&msta->poll_list)) - list_add_tail(&msta->poll_list, &dev->sta_poll_list); - spin_unlock_bh(&dev->sta_poll_lock); + list_add_tail(&msta->poll_list, + &mdev->sta_poll_list); + spin_unlock_bh(&mdev->sta_poll_lock); continue; } @@ -1494,10 +1496,10 @@ static void mt7996_mac_add_txs(struct mt7996_dev *dev, void *data) if (!wcid->sta) goto out; - spin_lock_bh(&dev->sta_poll_lock); + spin_lock_bh(&dev->mt76.sta_poll_lock); if (list_empty(&msta->poll_list)) - list_add_tail(&msta->poll_list, &dev->sta_poll_list); - spin_unlock_bh(&dev->sta_poll_lock); + list_add_tail(&msta->poll_list, &dev->mt76.sta_poll_list); + spin_unlock_bh(&dev->mt76.sta_poll_lock); out: rcu_read_unlock(); @@ -2340,7 +2342,7 @@ void mt7996_mac_sta_rc_work(struct work_struct *work) u32 changed; LIST_HEAD(list); - spin_lock_bh(&dev->sta_poll_lock); + spin_lock_bh(&dev->mt76.sta_poll_lock); list_splice_init(&dev->sta_rc_list, &list); while (!list_empty(&list)) { @@ -2348,7 +2350,7 @@ void mt7996_mac_sta_rc_work(struct work_struct *work) list_del_init(&msta->rc_list); changed = msta->changed; msta->changed = 0; - spin_unlock_bh(&dev->sta_poll_lock); + spin_unlock_bh(&dev->mt76.sta_poll_lock); sta = container_of((void *)msta, struct ieee80211_sta, drv_priv); vif = container_of((void *)msta->vif, struct ieee80211_vif, drv_priv); @@ -2360,10 +2362,10 @@ void mt7996_mac_sta_rc_work(struct work_struct *work) /* TODO: smps change */ - spin_lock_bh(&dev->sta_poll_lock); + spin_lock_bh(&dev->mt76.sta_poll_lock); } - spin_unlock_bh(&dev->sta_poll_lock); + spin_unlock_bh(&dev->mt76.sta_poll_lock); } void mt7996_mac_work(struct work_struct *work) diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/main.c b/drivers/net/wireless/mediatek/mt76/mt7996/main.c index c7917e301c87..ecac04066fda 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/main.c @@ -262,10 +262,10 @@ static void mt7996_remove_interface(struct ieee80211_hw *hw, phy->omac_mask &= ~BIT_ULL(mvif->mt76.omac_idx); mutex_unlock(&dev->mt76.mutex); - spin_lock_bh(&dev->sta_poll_lock); + spin_lock_bh(&dev->mt76.sta_poll_lock); if (!list_empty(&msta->poll_list)) list_del_init(&msta->poll_list); - spin_unlock_bh(&dev->sta_poll_lock); + spin_unlock_bh(&dev->mt76.sta_poll_lock); mt76_packet_id_flush(&dev->mt76, &msta->wcid); } @@ -667,12 +667,12 @@ void mt7996_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, for (i = 0; i < ARRAY_SIZE(msta->twt.flow); i++) mt7996_mac_twt_teardown_flow(dev, msta, i); - spin_lock_bh(&dev->sta_poll_lock); + spin_lock_bh(&mdev->sta_poll_lock); if (!list_empty(&msta->poll_list)) list_del_init(&msta->poll_list); if (!list_empty(&msta->rc_list)) list_del_init(&msta->rc_list); - spin_unlock_bh(&dev->sta_poll_lock); + spin_unlock_bh(&mdev->sta_poll_lock); } static void mt7996_tx(struct ieee80211_hw *hw, @@ -982,11 +982,11 @@ static void mt7996_sta_rc_work(void *data, struct ieee80211_sta *sta) struct mt7996_dev *dev = msta->vif->phy->dev; u32 *changed = data; - spin_lock_bh(&dev->sta_poll_lock); + spin_lock_bh(&dev->mt76.sta_poll_lock); msta->changed |= *changed; if (list_empty(&msta->rc_list)) list_add_tail(&msta->rc_list, &dev->sta_rc_list); - spin_unlock_bh(&dev->sta_poll_lock); + spin_unlock_bh(&dev->mt76.sta_poll_lock); } static void mt7996_sta_rc_update(struct ieee80211_hw *hw, diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h b/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h index c9f0e541abe4..9be7a5f80f4d 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h @@ -270,9 +270,7 @@ struct mt7996_dev { #endif struct list_head sta_rc_list; - struct list_head sta_poll_list; struct list_head twt_list; - spinlock_t sta_poll_lock; u32 hw_pattern;