From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id D116CA0093; Fri, 29 Apr 2022 04:59:46 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 6C3044161A; Fri, 29 Apr 2022 04:59:46 +0200 (CEST) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by mails.dpdk.org (Postfix) with ESMTP id A14A7410E3 for ; Fri, 29 Apr 2022 04:59:45 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1651201185; x=1682737185; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-transfer-encoding:mime-version; bh=vCdpmnsYT+CA0Ao/Yc+/+Vz5zKNAoBnogPb85A3Rq7Y=; b=gQhr5ZmzkeX05Inrxan30QkHx1nqRDTvP8i7Vt3vBLp4QNKaBSSBYt3Y EI5UHtTQft/uu2pukaeUv5vEkfjzZ7xRataHE+P1fHH/NmjeqQ1Vm3h0+ NAd7/XK7ghfZZDVXBegQWzvGbb/YPis/QQbRGMi5LyPrCsKa5Ddq4RhMH Su290oYA/PLWr3vQ1oKCYtHgZSlxSQXQy5Rjb7aV3FzeiUkUZp/60qbdf R5Sv+T/z87nWSYUA05ixvt5gTAMrOhlT4hQ2gHC9wb6Ei9rLpLHsKCn7k puFltSmT0wBP6juJE/KO3FLfSPl555w6AilpmDENlMIVvjpMsgBr1KLrK Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10331"; a="247064995" X-IronPort-AV: E=Sophos;i="5.91,296,1647327600"; d="scan'208";a="247064995" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Apr 2022 19:59:44 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,297,1647327600"; d="scan'208";a="560057287" Received: from fmsmsx604.amr.corp.intel.com ([10.18.126.84]) by orsmga007.jf.intel.com with ESMTP; 28 Apr 2022 19:59:33 -0700 Received: from fmsmsx610.amr.corp.intel.com (10.18.126.90) by fmsmsx604.amr.corp.intel.com (10.18.126.84) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.27; Thu, 28 Apr 2022 19:59:26 -0700 Received: from fmsmsx612.amr.corp.intel.com (10.18.126.92) by fmsmsx610.amr.corp.intel.com (10.18.126.90) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.27; Thu, 28 Apr 2022 19:59:25 -0700 Received: from fmsmsx612.amr.corp.intel.com ([10.18.126.92]) by fmsmsx612.amr.corp.intel.com ([10.18.126.92]) with mapi id 15.01.2308.027; Thu, 28 Apr 2022 19:59:25 -0700 From: "Zhang, Qi Z" To: Jeff Daly , "Wang, Haiyue" CC: "dev@dpdk.org" Subject: RE: [PATCH] doc: describe ixgbe devargs fiber_sdp3_no_tx_disable Thread-Topic: [PATCH] doc: describe ixgbe devargs fiber_sdp3_no_tx_disable Thread-Index: AQHYWkIZxlSXsscH902yuEY30udutK0GNY8A Date: Fri, 29 Apr 2022 02:59:25 +0000 Message-ID: <32b327d4ea08497295f7b68f6fd1d222@intel.com> References: <20220427142040.24897-1-jeffd@silicom-usa.com> In-Reply-To: <20220427142040.24897-1-jeffd@silicom-usa.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-reaction: no-action dlp-version: 11.6.401.20 dlp-product: dlpe-windows x-originating-ip: [10.239.127.36] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org > -----Original Message----- > From: Jeff Daly > Sent: Wednesday, April 27, 2022 10:21 PM > To: Wang, Haiyue > Cc: dev@dpdk.org > Subject: [PATCH] doc: describe ixgbe devargs fiber_sdp3_no_tx_disable >=20 > The devargs option for the IXGBE driver is introduced in order to inform = the > driver to skip checking SDP3 as an indicator of laser enable/disable for = SFP > modules. >=20 > Signed-off-by: Jeff Daly > --- > doc/guides/nics/ixgbe.rst | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) >=20 > diff --git a/doc/guides/nics/ixgbe.rst b/doc/guides/nics/ixgbe.rst index > 82fa453fa28e..ad1a3da6101e 100644 > --- a/doc/guides/nics/ixgbe.rst > +++ b/doc/guides/nics/ixgbe.rst > @@ -101,6 +101,23 @@ To guarantee the constraint, capabilities in > dev_conf.rxmode.offloads will be ch >=20 > fdir_conf->mode will also be checked. >=20 > +Disable SDP3 TX_DISABLE for Fiber Links > +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > + > +The following ``devargs`` option can be enabled at runtime. It must be > +passed as part of EAL arguments. For example, > + > +.. code-block:: console > + > + dpdk-testpmd -a fiber_sdp3_no_tx_disable=3D1 -- -i > + > +- ``fiber_sdp3_no_tx_disable`` (default **0**) > + > + Not all IXGBE implementations with SFP cages use the SDP3 signal as > + TX_DISABLE as a means to disable the laser on fiber SFP modules. > + This option informs the driver that in this case, SDP3 is not to be > + used as a check for link up by testing for laser on/off. > + > VF Runtime Options > ^^^^^^^^^^^^^^^^^^ >=20 > -- > 2.25.1 Please squash the document update into the code path.