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 09293280A32; Wed, 23 Apr 2025 14:51:13 +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=1745419874; cv=none; b=UZ3ONE0IXZBM2A7qLO0acB7xS1TdKVwjQIr7MH32IABAgh0HsOq7fIctoh6FUCny17vk8rH2I1cXvHuw2Y1nY+Ova3QLe7sKfcLrFHWHkmrz8Q+PZAooyGf/0NP0hrRM3KJXUU6P/OTcGfw3sY7+JR5H0esCHwXUccrizLWZyPw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745419874; c=relaxed/simple; bh=svr9Gup1SEt9osdtExRXH4U8L8HilPU3OjjUxGJzn2g=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Axdcjw8WK7JPNx9cFsTVg8hiq/FH3Dk1AeVuR0azUFhcUT87+rUDTCHFHAB8h826E8yP2ekR2WN1HC731G8XQsScZovrHbGISevRXOIfCeJeyqJ3h08e/5r/sTNZub0go6a0dIiYeoyLStditxDYP+tuCPgH8Y38kPCqrPOzvZo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=tU3zztQl; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="tU3zztQl" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 89560C4CEE2; Wed, 23 Apr 2025 14:51:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1745419873; bh=svr9Gup1SEt9osdtExRXH4U8L8HilPU3OjjUxGJzn2g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tU3zztQl1BXLI3lCe5mjfMKPWwMEiG2zn8kx0Yy6XrXq0nUVGnx5cI6pNCfryIUQP XmH1e+9SkH7Ffias+lqoIHyb/HYdr7tA4mAXHiSlh3haqNH2hCoTbbKjCBZXzlx5y8 CeChIYOk1ubK9+NfWqDUYDU9LiDCq6oNVImWgsyY= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Bo-Cun Chen , Daniel Golle , Jakub Kicinski , Sasha Levin Subject: [PATCH 6.12 074/223] net: ethernet: mtk_eth_soc: revise QDMA packet scheduler settings Date: Wed, 23 Apr 2025 16:42:26 +0200 Message-ID: <20250423142620.141422362@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250423142617.120834124@linuxfoundation.org> References: <20250423142617.120834124@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Bo-Cun Chen [ Upstream commit 1b66124135f5f8640bd540fadda4b20cdd23114b ] The QDMA packet scheduler suffers from a performance issue. Fix this by picking up changes from MediaTek's SDK which change to use Token Bucket instead of Leaky Bucket and fix the SPEED_1000 configuration. Fixes: 160d3a9b1929 ("net: ethernet: mtk_eth_soc: introduce MTK_NETSYS_V2 support") Signed-off-by: Bo-Cun Chen Signed-off-by: Daniel Golle Link: https://patch.msgid.link/18040f60f9e2f5855036b75b28c4332a2d2ebdd8.1744764277.git.daniel@makrotopia.org Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 941c7c380870b..d408dcda76d79 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -762,8 +762,8 @@ static void mtk_set_queue_speed(struct mtk_eth *eth, unsigned int idx, break; case SPEED_1000: val |= MTK_QTX_SCH_MAX_RATE_EN | - FIELD_PREP(MTK_QTX_SCH_MAX_RATE_MAN, 10) | - FIELD_PREP(MTK_QTX_SCH_MAX_RATE_EXP, 5) | + FIELD_PREP(MTK_QTX_SCH_MAX_RATE_MAN, 1) | + FIELD_PREP(MTK_QTX_SCH_MAX_RATE_EXP, 6) | FIELD_PREP(MTK_QTX_SCH_MAX_RATE_WEIGHT, 10); break; default: @@ -3274,7 +3274,7 @@ static int mtk_start_dma(struct mtk_eth *eth) if (mtk_is_netsys_v2_or_greater(eth)) val |= MTK_MUTLI_CNT | MTK_RESV_BUF | MTK_WCOMP_EN | MTK_DMAD_WR_WDONE | - MTK_CHK_DDONE_EN | MTK_LEAKY_BUCKET_EN; + MTK_CHK_DDONE_EN; else val |= MTK_RX_BT_32DWORDS; mtk_w32(eth, val, reg_map->qdma.glo_cfg); -- 2.39.5