From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by dpdk.org (Postfix) with ESMTP id 1651FF966 for ; Wed, 29 Mar 2017 18:24:54 +0200 (CEST) Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga105.jf.intel.com with ESMTP; 29 Mar 2017 09:24:53 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.36,242,1486454400"; d="scan'208";a="1128542357" Received: from silpixa00381633.ir.intel.com (HELO silpixa00381633.ger.corp.intel.com) ([10.237.222.114]) by fmsmga001.fm.intel.com with ESMTP; 29 Mar 2017 09:24:52 -0700 From: Fan Zhang To: dev@dpdk.org Cc: pablo.de.lara.guarch@intel.com, sergio.gonzalez.monroy@intel.com, declan.doherty@intel.com Date: Wed, 29 Mar 2017 17:26:24 +0100 Message-Id: <1490804784-64350-4-git-send-email-roy.fan.zhang@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1490804784-64350-1-git-send-email-roy.fan.zhang@intel.com> References: <1490775959-65295-1-git-send-email-roy.fan.zhang@intel.com> <1490804784-64350-1-git-send-email-roy.fan.zhang@intel.com> Subject: [dpdk-dev] [PATCH v5 3/3] doc: update cryptodev scheduler PMD documentation X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 29 Mar 2017 16:24:55 -0000 This patch updates packet size based scheduling mode description. Signed-off-by: Fan Zhang --- doc/guides/cryptodevs/scheduler.rst | 15 +++++++++++++++ doc/guides/rel_notes/release_17_05.rst | 5 +++++ 2 files changed, 20 insertions(+) diff --git a/doc/guides/cryptodevs/scheduler.rst b/doc/guides/cryptodevs/scheduler.rst index 70fb62e..af54daf 100644 --- a/doc/guides/cryptodevs/scheduler.rst +++ b/doc/guides/cryptodevs/scheduler.rst @@ -126,3 +126,18 @@ operation: among its slaves in a round-robin manner. This mode may help to fill the throughput gap between the physical core and the existing cryptodevs to increase the overall performance. + +* **CDEV_SCHED_MODE_PKT_SIZE_DISTR:** + + Packet-size based distribution mode, which works with 2 slaves, the primary + slave and the secondary slave, and distributes the enqueued crypto + operations to them based on their data lengths. A crypto operation will be + distributed to the primary slave if its data length is equal to or bigger + than the designated threshold, otherwise it will be handled by the secondary + slave. + + A typical usecase in this mode is with the QAT cryptodev as the primary and + a software cryptodev as the secondary slave. This may help applications to + process additional crypto workload than what the QAT cryptodev can handle on + its own, by making use of the available CPU cycles to deal with smaller + crypto workloads. diff --git a/doc/guides/rel_notes/release_17_05.rst b/doc/guides/rel_notes/release_17_05.rst index 2eecdec..ca44df3 100644 --- a/doc/guides/rel_notes/release_17_05.rst +++ b/doc/guides/rel_notes/release_17_05.rst @@ -55,6 +55,11 @@ New Features sPAPR IOMMU based pci probing enabled for vfio-pci devices. +* **Added packet-size based distribution mode to Cryptodev Scheduler PMD.** + + Packet-size based distribution mode is a scheduling mode that works with + 2 slaves and distributes the enqueued crypto operations to them based on + their data lengths. Resolved Issues --------------- -- 2.7.4