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 X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4F033C7618F for ; Mon, 15 Jul 2019 15:12:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 240392054F for ; Mon, 15 Jul 2019 15:12:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563203572; bh=HPKAxa+ogAdv4Fdus1QyLtjfbr+BZUadXGnCKAhszeg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=lffQ1Zlcd6NBFqWER2fJtrUfjH5EZ29lZQk49WMQ39PDG+i9av9GFFAAO2nu3Kg3Z nVx8JkIfg83qzHlkGio6qIVV+R/eJb0lH05S0MJKuNi8GlNSZ3X9VmrEalu+0IBr7S nouVaa+d0ZysLGeULFQVKb6qPDT4pQj9X1/di69s= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732667AbfGOPMu (ORCPT ); Mon, 15 Jul 2019 11:12:50 -0400 Received: from mail.kernel.org ([198.145.29.99]:41524 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732038AbfGONu5 (ORCPT ); Mon, 15 Jul 2019 09:50:57 -0400 Received: from sasha-vm.mshome.net (unknown [73.61.17.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id DE3F9216C4; Mon, 15 Jul 2019 13:50:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563198655; bh=HPKAxa+ogAdv4Fdus1QyLtjfbr+BZUadXGnCKAhszeg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uZAGU9Cx+km6dpyAKR4qbNgyjVrhb1IZjhp0tNIZfLO66vR70JUNoi/8dMFbitFGp PU4943j38JRsQJ164vTJfTTG4sC83E82QlpaKr6llisHCUxG8U4w4scNXV61thQfHV p+IlEp4PdIIpxRYzFO1HQ+rUaf5hUXh2WqyOqHW8= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Biao Huang , "David S . Miller" , Sasha Levin , netdev@vger.kernel.org Subject: [PATCH AUTOSEL 5.2 073/249] net: stmmac: modify default value of tx-frames Date: Mon, 15 Jul 2019 09:43:58 -0400 Message-Id: <20190715134655.4076-73-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190715134655.4076-1-sashal@kernel.org> References: <20190715134655.4076-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Biao Huang [ Upstream commit d2facb4b3983425f6776c24dd678a82dbe673773 ] the default value of tx-frames is 25, it's too late when passing tstamp to stack, then the ptp4l will fail: ptp4l -i eth0 -f gPTP.cfg -m ptp4l: selected /dev/ptp0 as PTP clock ptp4l: port 1: INITIALIZING to LISTENING on INITIALIZE ptp4l: port 0: INITIALIZING to LISTENING on INITIALIZE ptp4l: port 1: link up ptp4l: timed out while polling for tx timestamp ptp4l: increasing tx_timestamp_timeout may correct this issue, but it is likely caused by a driver bug ptp4l: port 1: send peer delay response failed ptp4l: port 1: LISTENING to FAULTY on FAULT_DETECTED (FT_UNSPECIFIED) ptp4l tests pass when changing the tx-frames from 25 to 1 with ethtool -C option. It should be fine to set tx-frames default value to 1, so ptp4l will pass by default. Signed-off-by: Biao Huang Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/stmicro/stmmac/common.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h index ceb0d23f5041..c265cc5770e8 100644 --- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h @@ -251,7 +251,7 @@ struct stmmac_safety_stats { #define STMMAC_COAL_TX_TIMER 1000 #define STMMAC_MAX_COAL_TX_TICK 100000 #define STMMAC_TX_MAX_FRAMES 256 -#define STMMAC_TX_FRAMES 25 +#define STMMAC_TX_FRAMES 1 /* Packets types */ enum packets_types { -- 2.20.1