From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3184BCCFA1C for ; Wed, 5 Nov 2025 09:31:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:CC:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=RE3oqPKs//xyZmMUoMZ+7RHBJHTXz5keYCyQmdPj6ps=; b=h5g+PmiQYPfTWkijHKLcmkw4h6 WBxRoXW5w2jsBsqAHhWwzbsID/Lg7hlMb26Ya0aAOvUoVJSZglizRt/yRkj2/aGV5/aprGqJDK87U Ej4D9HPas8n38xg5OQDX9BGTtggceR8HFhseR05uQ2jQ3q9tOeZS5zfEb/9VGiy8E3nin5u3c5Xhs szxkEaY0TDf/WqhzL0h20UMdDz1maHjF22m17kfv3rGb8+O2W/5sg9YLY4pOqo9dRCDOXUwEIWx32 H6uWj/FGP4msEASI6NDKj8bOYokqXZZzH/NFmOpTxlRkl/mj43CGdxIkxHQOOpDLOteThf87j1k6A kg+CDjuw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vGZrl-0000000DO6m-1L1H; Wed, 05 Nov 2025 09:31:45 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vGZrh-0000000DNxb-2j8C for linux-mediatek@lists.infradead.org; Wed, 05 Nov 2025 09:31:42 +0000 X-UUID: 3766020cba2a11f0a52f393f94899d25-20251105 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=RE3oqPKs//xyZmMUoMZ+7RHBJHTXz5keYCyQmdPj6ps=; b=MSbQcsvYP8ytPisR5nDE//HZBJ5jz2YI4HIYtMdB8APdO26VKVn+upob48sk9Q0HymyHi6MSzlLKl68PPCFb2xwdAmJmx2TyD3ELfHnsQxmM8HVTHJIpw5gQ5QD6jbwv2cOaLNwA0xtd8n+SlUvtNKtbfF/aYbYqBrBkU3n1yEQ=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.6,REQID:e9cd1529-c6db-4db7-8dd1-7d4db5db6771,IP:0,UR L:0,TC:0,Content:37,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:37 X-CID-META: VersionHash:a9d874c,CLOUDID:5c7a28e0-3890-4bb9-a90e-2a6a4ecf6c66,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:81|82|102|836|888|898,TC:-5,Content: 4|15|50,EDM:-3,IP:nil,URL:0,File:130,RT:0,Bulk:nil,QS:nil,BEC:nil,COL:0,OS I:0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: 3766020cba2a11f0a52f393f94899d25-20251105 Received: from mtkmbs11n2.mediatek.inc [(172.21.101.187)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 156247186; Wed, 05 Nov 2025 02:31:32 -0700 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by MTKMBS14N1.mediatek.inc (172.21.101.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.26; Wed, 5 Nov 2025 17:31:30 +0800 Received: from mtksitap99.mediatek.inc (10.233.130.16) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1748.26 via Frontend Transport; Wed, 5 Nov 2025 17:31:30 +0800 From: Shayne Chen To: Felix Fietkau CC: linux-wireless , Lorenzo Bianconi , Ryder Lee , Evelyn Tsai , linux-mediatek , Shayne Chen Subject: [PATCH mt76 09/12] wifi: mt76: mt7996: fix MLD group index assignment Date: Wed, 5 Nov 2025 17:30:57 +0800 Message-ID: <20251105093100.541408-9-shayne.chen@mediatek.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20251105093100.541408-1-shayne.chen@mediatek.com> References: <20251105093100.541408-1-shayne.chen@mediatek.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251105_013141_724926_87F89D23 X-CRM114-Status: GOOD ( 14.56 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Fix extender mode and MBSS issues caused by incorrect assignment of the MLD group and remap indices. Fixes: ed01c310eca9 ("wifi: mt76: mt7996: Fix mt7996_mcu_bss_mld_tlv routine") Signed-off-by: Shayne Chen --- .../net/wireless/mediatek/mt76/mt7996/main.c | 58 +++++++++++++------ 1 file changed, 40 insertions(+), 18 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/main.c b/drivers/net/wireless/mediatek/mt76/mt7996/main.c index 3958688d622b..346d650107d4 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/main.c @@ -90,9 +90,11 @@ static void mt7996_stop(struct ieee80211_hw *hw, bool suspend) { } -static inline int get_free_idx(u32 mask, u8 start, u8 end) +static inline int get_free_idx(u64 mask, u8 start, u8 end) { - return ffs(~mask & GENMASK(end, start)); + if (~mask & GENMASK_ULL(end, start)) + return __ffs64(~mask & GENMASK_ULL(end, start)) + 1; + return 0; } static int get_omac_idx(enum nl80211_iftype type, u64 mask) @@ -308,12 +310,6 @@ int mt7996_vif_link_add(struct mt76_phy *mphy, struct ieee80211_vif *vif, if (idx < 0) return -ENOSPC; - if (!dev->mld_idx_mask) { /* first link in the group */ - mvif->mld_group_idx = get_own_mld_idx(dev->mld_idx_mask, true); - mvif->mld_remap_idx = get_free_idx(dev->mld_remap_idx_mask, - 0, 15); - } - mld_idx = get_own_mld_idx(dev->mld_idx_mask, false); if (mld_idx < 0) return -ENOSPC; @@ -331,10 +327,6 @@ int mt7996_vif_link_add(struct mt76_phy *mphy, struct ieee80211_vif *vif, return ret; dev->mt76.vif_mask |= BIT_ULL(mlink->idx); - if (!dev->mld_idx_mask) { - dev->mld_idx_mask |= BIT_ULL(mvif->mld_group_idx); - dev->mld_remap_idx_mask |= BIT_ULL(mvif->mld_remap_idx); - } dev->mld_idx_mask |= BIT_ULL(link->mld_idx); phy->omac_mask |= BIT_ULL(mlink->omac_idx); @@ -424,11 +416,6 @@ void mt7996_vif_link_remove(struct mt76_phy *mphy, struct ieee80211_vif *vif, dev->mt76.vif_mask &= ~BIT_ULL(mlink->idx); dev->mld_idx_mask &= ~BIT_ULL(link->mld_idx); phy->omac_mask &= ~BIT_ULL(mlink->omac_idx); - if (!(dev->mld_idx_mask & ~BIT_ULL(mvif->mld_group_idx))) { - /* last link */ - dev->mld_idx_mask &= ~BIT_ULL(mvif->mld_group_idx); - dev->mld_remap_idx_mask &= ~BIT_ULL(mvif->mld_remap_idx); - } spin_lock_bh(&dev->mt76.sta_poll_lock); if (!list_empty(&msta_link->wcid.poll_list)) @@ -2225,7 +2212,42 @@ mt7996_change_vif_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 old_links, u16 new_links, struct ieee80211_bss_conf *old[IEEE80211_MLD_MAX_NUM_LINKS]) { - return 0; + struct mt7996_dev *dev = mt7996_hw_dev(hw); + struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv; + int ret = 0; + + mutex_lock(&dev->mt76.mutex); + + if (!old_links) { + int idx; + + idx = get_own_mld_idx(dev->mld_idx_mask, true); + if (idx < 0) { + ret = -ENOSPC; + goto out; + } + mvif->mld_group_idx = idx; + dev->mld_idx_mask |= BIT_ULL(mvif->mld_group_idx); + + idx = get_free_idx(dev->mld_remap_idx_mask, 0, 15) - 1; + if (idx < 0) { + ret = -ENOSPC; + goto out; + } + mvif->mld_remap_idx = idx; + dev->mld_remap_idx_mask |= BIT_ULL(mvif->mld_remap_idx); + } + + if (new_links) + goto out; + + dev->mld_idx_mask &= ~BIT_ULL(mvif->mld_group_idx); + dev->mld_remap_idx_mask &= ~BIT_ULL(mvif->mld_remap_idx); + +out: + mutex_unlock(&dev->mt76.mutex); + + return ret; } static void -- 2.51.0