From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 632E4355E21; Mon, 5 May 2025 22:41:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746484888; cv=none; b=bGvWqPCld9xC4UyfBGJRTYqe/L6DXeg6p5LdEgY6BzTtlosYcVpQWL+Vlzn8tSjDcGsbSmxlqNHfv0xpdZaR8znKVCNqnDl4kkjSHT12Iz7fYlqEOZfi6+tMd8CRBDI08gfeHPXfRe7KEpNHRy60axLIjnTqAUvfW063AobjF/U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746484888; c=relaxed/simple; bh=e59gN0M7ydCagNVUGLQLhN+yYOY3odh4c/JbSARTAo4=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=e02BdVF7gdEcUtyG67tKxY8LJ+7pw46ZzIXnEmUotFCT7Gr/awaC2giBp5fmtGQpjtmgXheTcmza9a80N12bTnauiT8DyPCBF7u853zIeTdTorAQJJCbCNsAxwV2S/XdmzW6dHENnVmdLVLBUrfB6ff9Vj7csBUZlI6TSqXRsCA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jG3/u/MV; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="jG3/u/MV" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 462C1C4CEE4; Mon, 5 May 2025 22:41:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746484887; bh=e59gN0M7ydCagNVUGLQLhN+yYOY3odh4c/JbSARTAo4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jG3/u/MVJe4gDive6UTkO7ccJBOmzgzH31TL2/OAXUATGt/LoR3lkGGaDYLd85mrt Cath88/l8IhrR5THqg8vQxsxfFKFNKXQKhs6shKNR6/agER71yQ2X1rpx/FeWHk4cK KtQQec+PkECEQNnAfWnQGnMlOD2kY+TMu3GrF/IG4NjcJoVhoG33so2Xiz+wTaEdum bGSxQkAkEcSUZu7/6tljd2nI7FGPDUyv+iepdsq/0+NH58oqx7JC5MiXjicU4mlXrw j0E03EkuCQIVl2smV+LQd2aQS4kqfujHphCSt/eivf4gXKf5+YdaP48JScCCcFyhmE TO8uu2+UwjrvA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Benjamin Lin , Felix Fietkau , Sasha Levin , lorenzo@kernel.org, ryder.lee@mediatek.com, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, shayne.chen@mediatek.com, chui-hao.chiu@mediatek.com, Bo.Jiao@mediatek.com, linux-wireless@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH AUTOSEL 6.12 062/486] wifi: mt76: mt7996: revise TXS size Date: Mon, 5 May 2025 18:32:18 -0400 Message-Id: <20250505223922.2682012-62-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250505223922.2682012-1-sashal@kernel.org> References: <20250505223922.2682012-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.12.26 Content-Transfer-Encoding: 8bit From: Benjamin Lin [ Upstream commit 593c829b4326f7b3b15a69e97c9044ecbad3c319 ] Size of MPDU/PPDU TXS is 12 DWs. In mt7996/mt7992, last 4 DWs are reserved, so TXS size was mistakenly considered to be 8 DWs. However, in mt7990, 9th DW of TXS starts to be used. Signed-off-by: Benjamin Lin Link: https://patch.msgid.link/20250311103646.43346-1-nbd@nbd.name Signed-off-by: Felix Fietkau Signed-off-by: Sasha Levin --- drivers/net/wireless/mediatek/mt76/mt76_connac3_mac.h | 3 +++ drivers/net/wireless/mediatek/mt76/mt7996/mac.c | 4 ++-- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac3_mac.h b/drivers/net/wireless/mediatek/mt76/mt76_connac3_mac.h index db0c29e65185c..487ad716f872a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac3_mac.h +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac3_mac.h @@ -314,6 +314,9 @@ enum tx_frag_idx { #define MT_TXFREE_INFO_COUNT GENMASK(27, 24) #define MT_TXFREE_INFO_STAT GENMASK(29, 28) +#define MT_TXS_HDR_SIZE 4 /* Unit: DW */ +#define MT_TXS_SIZE 12 /* Unit: DW */ + #define MT_TXS0_BW GENMASK(31, 29) #define MT_TXS0_TID GENMASK(28, 26) #define MT_TXS0_AMPDU BIT(25) diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c index f590902fdeea3..ef2d7eaaaffdd 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c @@ -1399,7 +1399,7 @@ bool mt7996_rx_check(struct mt76_dev *mdev, void *data, int len) mt7996_mac_tx_free(dev, data, len); return false; case PKT_TYPE_TXS: - for (rxd += 4; rxd + 8 <= end; rxd += 8) + for (rxd += MT_TXS_HDR_SIZE; rxd + MT_TXS_SIZE <= end; rxd += MT_TXS_SIZE) mt7996_mac_add_txs(dev, rxd); return false; case PKT_TYPE_RX_FW_MONITOR: @@ -1442,7 +1442,7 @@ void mt7996_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, mt7996_mcu_rx_event(dev, skb); break; case PKT_TYPE_TXS: - for (rxd += 4; rxd + 8 <= end; rxd += 8) + for (rxd += MT_TXS_HDR_SIZE; rxd + MT_TXS_SIZE <= end; rxd += MT_TXS_SIZE) mt7996_mac_add_txs(dev, rxd); dev_kfree_skb(skb); break; -- 2.39.5