From patchwork Wed Jul 3 21:42:13 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Wang X-Patchwork-Id: 13722834 X-Patchwork-Delegate: nbd@nbd.name Received: from mail-ot1-f52.google.com (mail-ot1-f52.google.com [209.85.210.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 823411946B0 for ; Wed, 3 Jul 2024 21:43:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.52 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720042990; cv=none; b=Ue0SSanN9ZeOewAX2xhlB18Kz9YWz+ZuHr0BtGqqzqf1NWpZTXd1Uj+zta2tP8bvuJ+LAYkQyLyNLmekmesxODpH+xwSrr9cJ7YB7VA3FRb/gBaHMDJ1VsfaNG8i52OHea+g0i5Mo5PL5cH6zBKSvniwGhZ3jwybvgtH212X+mk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720042990; c=relaxed/simple; bh=THKNZI4jrpFWwBZoTQY9CQERKD/jg4vCX/LEXCm33jI=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=SbVy+0oW/FCfUmvi0MTAR8PDJLp7k8Cn8MafNgGT94yzT5Ywx9L9l9SQ12p5W1ytgKJQejWG/DQWCnavbVTppNJM1ugbt1BrpyquzV3u6Wq4x3pafJlIzCTO9krQb6ELpjgN8FdWCus/f3+9juECPyVSjeqqfhrWy1eV+227sa0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org; spf=pass smtp.mailfrom=gmail.com; arc=none smtp.client-ip=209.85.210.52 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-ot1-f52.google.com with SMTP id 46e09a7af769-700d29f33a0so89045a34.1 for ; Wed, 03 Jul 2024 14:43:08 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1720042987; x=1720647787; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=9TOWM2avYXo/xP6pN6yETRbPs1gdrDHvtIHr+R1SQlw=; b=sUaAUIbaopWpSzGz4pRfuvmvLdl6d4NFWUz2O9v5ZBVfgZGU/N95gi5CROsCgTPDlG JYsZrVmsdKR/1NRoCUMQ7PRJsJEgzuUfNQEI0g50b3iM3ykPuPWdTCzbtzZ8tjI9qgEX fsZaXOeKFvEEGtnovha5r3Ii6R2yW6swkQfopJ2ljUOdtO9flUpCWKnp+LhiSHuMJmif zygqr+YCN0YxakmBDlGtFkGcERBowP1lIrgVr/uIwQG1olMuuFrkhvFzF99CYmqSoNc8 lOJO5adPvWCRa/p4PXB9+mdEiDJf0Dir4paU/2AEFlH+ap0IuGZSKs9676uZO5qyp3Tm 9xew== X-Forwarded-Encrypted: i=1; AJvYcCXoMnz70zExC4H+MBdQM3PhYelBaicsYlBuC01PAsQyfIzuEgkSKC6ld3rgFIcXRM00cRWDG/nzhfmmWeN9m5/qdanylArpJFwHejPGwS4= X-Gm-Message-State: AOJu0Yx4E47EJCjeh5mYeQie6PB0pmzLJ+GH/VK1OkVGYTd2fFiiQuKW uqJNoT6Gu61uaXfEGlZ+yOGL29roAPCltNAyoxYkqRggr64WZ3I3 X-Google-Smtp-Source: AGHT+IHB+8D92ICxDGrelbsO6+AY0q19flJoPxzsqBAYCuqHkQXeoHpWCeXCgy/9CJA3vEU2E60bXg== X-Received: by 2002:a05:6830:2007:b0:700:d1c1:e12d with SMTP id 46e09a7af769-7020775bef2mr12607744a34.3.1720042987444; Wed, 03 Jul 2024 14:43:07 -0700 (PDT) Received: from sean-ThinkPad-T450s.lan ([207.191.35.252]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-701f7b20953sm2111417a34.54.2024.07.03.14.43.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Jul 2024 14:43:05 -0700 (PDT) From: sean.wang@kernel.org To: nbd@nbd.name, lorenzo.bianconi@redhat.com Cc: sean.wang@mediatek.com, deren.wu@mediatek.com, mingyen.hsieh@mediatek.com, linux-wireless@vger.kernel.org, linux-mediatek@lists.infradead.org Subject: [PATCH 08/29] wifi: mt76: mt7925: add mt7925_change_sta_links Date: Wed, 3 Jul 2024 14:42:13 -0700 Message-Id: <8003cfbdec2c1357fb9d7ac8ba93af5fd0b4ec5d.1720042294.git.sean.wang@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Sean Wang add mt7925_change_sta_links to change the valid links of a station, supporting the MLO-enabled firmware. Co-developed-by: Ming Yen Hsieh Signed-off-by: Ming Yen Hsieh Co-developed-by: Deren Wu Signed-off-by: Deren Wu Signed-off-by: Sean Wang --- .../net/wireless/mediatek/mt76/mt7925/main.c | 142 +++++++++++++++++- drivers/net/wireless/mediatek/mt76/mt792x.h | 7 + 2 files changed, 145 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/main.c b/drivers/net/wireless/mediatek/mt76/mt7925/main.c index c9119a222427..0e554b21692e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7925/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7925/main.c @@ -811,16 +811,79 @@ static int mt7925_mac_link_sta_add(struct mt76_dev *mdev, link_conf, link_sta, false); } - ret = mt7925_mcu_sta_update(dev, link_sta, vif, true, - MT76_STA_INFO_STATE_NONE); - if (ret) - return ret; + if (ieee80211_vif_is_mld(vif) && + link_sta == mlink->pri_link) { + ret = mt7925_mcu_sta_update(dev, link_sta, vif, true, + MT76_STA_INFO_STATE_NONE); + if (ret) + return ret; + } else if (ieee80211_vif_is_mld(vif) && + link_sta != mlink->pri_link) { + ret = mt7925_mcu_sta_update(dev, mlink->pri_link, vif, + true, MT76_STA_INFO_STATE_ASSOC); + if (ret) + return ret; + + ret = mt7925_mcu_sta_update(dev, link_sta, vif, true, + MT76_STA_INFO_STATE_ASSOC); + if (ret) + return ret; + } else { + ret = mt7925_mcu_sta_update(dev, link_sta, vif, true, + MT76_STA_INFO_STATE_NONE); + if (ret) + return ret; + } mt76_connac_power_save_sched(&dev->mphy, &dev->pm); return 0; } +static int +mt7925_mac_sta_add_links(struct mt792x_dev *dev, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, unsigned long new_links) +{ + struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; + struct mt76_wcid *wcid; + unsigned int link_id; + int err = 0; + + for_each_set_bit(link_id, &new_links, IEEE80211_MLD_MAX_NUM_LINKS) { + struct ieee80211_link_sta *link_sta; + struct mt792x_link_sta *mlink; + + if (msta->deflink_id == IEEE80211_LINK_UNSPECIFIED) { + mlink = &msta->deflink; + msta->deflink_id = link_id; + } else { + mlink = devm_kzalloc(dev->mt76.dev, sizeof(*mlink), GFP_KERNEL); + if (!mlink) { + err = -ENOMEM; + break; + } + + wcid = &mlink->wcid; + ewma_signal_init(&wcid->rssi); + rcu_assign_pointer(dev->mt76.wcid[wcid->idx], wcid); + mt76_wcid_init(wcid); + ewma_avg_signal_init(&mlink->avg_ack_signal); + memset(mlink->airtime_ac, 0, + sizeof(msta->deflink.airtime_ac)); + } + + msta->valid_links |= BIT(link_id); + rcu_assign_pointer(msta->link[link_id], mlink); + mlink->sta = msta; + mlink->pri_link = &sta->deflink; + + link_sta = mt792x_sta_to_link_sta(vif, sta, link_id); + mt7925_mac_link_sta_add(&dev->mt76, vif, link_sta); + } + + return err; +} + int mt7925_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { @@ -915,6 +978,48 @@ static void mt7925_mac_link_sta_remove(struct mt76_dev *mdev, mt76_connac_power_save_sched(&dev->mphy, &dev->pm); } +static int +mt7925_mac_sta_remove_links(struct mt792x_dev *dev, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, unsigned long old_links) +{ + struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; + struct mt76_dev *mdev = &dev->mt76; + struct mt76_wcid *wcid; + unsigned int link_id; + + for_each_set_bit(link_id, &old_links, IEEE80211_MLD_MAX_NUM_LINKS) { + struct ieee80211_link_sta *link_sta; + struct mt792x_link_sta *mlink; + + link_sta = mt792x_sta_to_link_sta(vif, sta, link_id); + if (!link_sta) + continue; + + mlink = mt792x_sta_to_link(msta, link_id); + if (!mlink) + continue; + + mt7925_mac_link_sta_remove(&dev->mt76, vif, link_sta); + + wcid = &mlink->wcid; + rcu_assign_pointer(msta->link[link_id], NULL); + msta->valid_links &= ~BIT(link_id); + mlink->sta = NULL; + mlink->pri_link = NULL; + + if (link_sta != mlink->pri_link) { + mt76_wcid_cleanup(mdev, wcid); + mt76_wcid_mask_clear(mdev->wcid_mask, wcid->idx); + mt76_wcid_mask_clear(mdev->wcid_phy_mask, wcid->idx); + } + + if (msta->deflink_id == link_id) + msta->deflink_id = IEEE80211_LINK_UNSPECIFIED; + } + + return 0; +} + void mt7925_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { @@ -1650,6 +1755,34 @@ mt7925_change_vif_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif, return err; } +static int +mt7925_change_sta_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_sta *sta, u16 old_links, u16 new_links) +{ + unsigned long add = new_links & ~old_links; + unsigned long rem = old_links & ~new_links; + struct mt792x_dev *dev = mt792x_hw_dev(hw); + int err = 0; + + if (old_links == new_links) + return 0; + + mt792x_mutex_acquire(dev); + + err = mt7925_mac_sta_remove_links(dev, vif, sta, rem); + if (err < 0) + goto out; + + err = mt7925_mac_sta_add_links(dev, vif, sta, add); + if (err < 0) + goto out; + +out: + mt792x_mutex_release(dev); + + return err; +} + const struct ieee80211_ops mt7925_ops = { .tx = mt792x_tx, .start = mt7925_start, @@ -1709,6 +1842,7 @@ const struct ieee80211_ops mt7925_ops = { .vif_cfg_changed = mt7925_vif_cfg_changed, .link_info_changed = mt7925_link_info_changed, .change_vif_links = mt7925_change_vif_links, + .change_sta_links = mt7925_change_sta_links, }; EXPORT_SYMBOL_GPL(mt7925_ops); diff --git a/drivers/net/wireless/mediatek/mt76/mt792x.h b/drivers/net/wireless/mediatek/mt76/mt792x.h index 9a7443a8a951..af9a103dc7f4 100644 --- a/drivers/net/wireless/mediatek/mt76/mt792x.h +++ b/drivers/net/wireless/mediatek/mt76/mt792x.h @@ -92,6 +92,10 @@ struct mt792x_link_sta { unsigned long last_txs; struct mt76_connac_sta_key_conf bip; + + struct mt792x_sta *sta; + + struct ieee80211_link_sta *pri_link; }; struct mt792x_sta { @@ -99,6 +103,9 @@ struct mt792x_sta { struct mt792x_link_sta __rcu *link[IEEE80211_MLD_MAX_NUM_LINKS]; struct mt792x_vif *vif; + + u16 valid_links; + u8 deflink_id; }; DECLARE_EWMA(rssi, 10, 8);