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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,URIBL_BLOCKED,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 53AD7C28CC0 for ; Thu, 30 May 2019 09:43:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 276582567E for ; Thu, 30 May 2019 09:43:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727867AbfE3Jnl (ORCPT ); Thu, 30 May 2019 05:43:41 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:10671 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726985AbfE3Jni (ORCPT ); Thu, 30 May 2019 05:43:38 -0400 X-UUID: 2d465abed295480c91b1b2242b92c38f-20190530 X-UUID: 2d465abed295480c91b1b2242b92c38f-20190530 Received: from mtkcas09.mediatek.inc [(172.21.101.178)] by mailgw02.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 1882135354; Thu, 30 May 2019 17:43:29 +0800 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs01n1.mediatek.inc (172.21.101.68) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 30 May 2019 17:43:28 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Thu, 30 May 2019 17:43:27 +0800 From: Biao Huang To: , Jose Abreu CC: Giuseppe Cavallaro , Alexandre Torgue , Maxime Coquelin , Matthias Brugger , , , , , , , , , , Subject: [RESEND, PATCH 3/4] net: stmmac: modify default value of tx-frames Date: Thu, 30 May 2019 17:43:17 +0800 Message-ID: <1559209398-3607-4-git-send-email-biao.huang@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1559209398-3607-1-git-send-email-biao.huang@mediatek.com> References: <1559209398-3607-1-git-send-email-biao.huang@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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 26bbcd8..6a08cec 100644 --- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h @@ -261,7 +261,7 @@ 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 { -- 1.7.9.5