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 10AA3468CC; Tue, 10 Jun 2025 23:22:15 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 904564060F; Tue, 10 Jun 2025 23:21:47 +0200 (CEST) Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.17]) by mails.dpdk.org (Postfix) with ESMTP id B437340430 for ; Tue, 10 Jun 2025 23:21:45 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1749590506; x=1781126506; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=wRQlzpEg5v0MNTycahG8mcSB0tnJZPyIiGR2NYZloCI=; b=dxzdkbQFMgowWFQRNss6WPOIIG3u7JVBToGg1Hcd/Vqk29oY/b8yrw2g bzF+k2ia9YOv6cXAPF96wU5HMLJd9HR4BHV/xVQX4DW+VA5G1oztn3wjr rP4YJCoiMqlPQIT66GfniJ4F5eOMhBb4LU1zTo5GJ8y5NvDp1z33wj63Y cp7OCzsspn8eowarN5vWheygfvJKBjuurkpVRIx6Yny2OpDwfz9xDnqgy KCUKBbqhbyMU414U6EXg+2wLRa5NNiaxBpukW/oEMsTcdj57pLSFw5nJ5 SmGsLBpzea1ge/e/IyoPWUKSdGDumKeELKqpLCE3pVA6bU2cSD4yaPuav g==; X-CSE-ConnectionGUID: kBgRNGZhQhiv/smB21zKfg== X-CSE-MsgGUID: FF7Yg2IQRz2PQShL10O12Q== X-IronPort-AV: E=McAfee;i="6800,10657,11460"; a="51710210" X-IronPort-AV: E=Sophos;i="6.16,226,1744095600"; d="scan'208";a="51710210" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Jun 2025 14:21:46 -0700 X-CSE-ConnectionGUID: VeGnepeASTG8O0vfIJvMCQ== X-CSE-MsgGUID: NR5pnYXTRlGJpI+bpbE/hw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,226,1744095600"; d="scan'208";a="170157933" Received: from unknown (HELO sprmax9..) ([10.138.182.122]) by fmviesa002.fm.intel.com with ESMTP; 10 Jun 2025 14:21:44 -0700 From: Soumyadeep Hore To: dev@dpdk.org, bruce.richardson@intel.com Cc: aman.deep.singh@intel.com, manoj.kumar.subbarao@intel.com Subject: [PATCH v4 6/6] doc: announce TxPP support for E830 adapters Date: Tue, 10 Jun 2025 13:11:59 +0000 Message-ID: <20250610131159.495566-7-soumyadeep.hore@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250610131159.495566-1-soumyadeep.hore@intel.com> References: <20250606211947.473544-2-soumyadeep.hore@intel.com> <20250610131159.495566-1-soumyadeep.hore@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 E830 adapters currently support Tx Time based queues. Signed-off-by: Soumyadeep Hore --- doc/guides/nics/ice.rst | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/doc/guides/nics/ice.rst b/doc/guides/nics/ice.rst index 77985ae5a2..f284c78290 100644 --- a/doc/guides/nics/ice.rst +++ b/doc/guides/nics/ice.rst @@ -415,6 +415,24 @@ and add the ``--force-max-simd-bitwidth=64`` startup parameter to disable vector examples/dpdk-ptpclient -c f -n 3 -a 0000:ec:00.1 --force-max-simd-bitwidth=64 -- -T 1 -p 0x1 -c 1 +Tx Packet Pacing +~~~~~~~~~~~~~~~~ + +In order to deliver the timestamp with every packet, a special type of Tx Host Queue is +used, the TS Queue. This feature is currently supported only in E830 adapters. + +The tx_offload ``RTE_ETH_TX_OFFLOAD_SEND_ON_TIMESTAMP`` is used to enable the feature. +In order to deliver timestamps internally ``set txtimes`` is used where inter burst +and intra burst time interval in nsecs is provided. +For example: + +.. code-block:: console + + dpdk-testpmd -a 0000:31:00.0 -c f -n 4 -- -i --tx-offloads=0x200000 + set fwd txonly + set txtimes , + start + Generic Flow Support ~~~~~~~~~~~~~~~~~~~~ -- 2.47.1