From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <ferruh.yigit@intel.com> Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id 134982C18 for <dev@dpdk.org>; Thu, 3 Aug 2017 15:00:17 +0200 (CEST) Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 03 Aug 2017 06:00:16 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.41,316,1498546800"; d="scan'208";a="135631675" Received: from fyigit-mobl1.ger.corp.intel.com (HELO [10.237.220.48]) ([10.237.220.48]) by fmsmga006.fm.intel.com with ESMTP; 03 Aug 2017 06:00:16 -0700 From: Ferruh Yigit <ferruh.yigit@intel.com> To: Gaetan Rivet <gaetan.rivet@6wind.com>, dev@dpdk.org References: <cover.1500130634.git.gaetan.rivet@6wind.com> <cover.1500381641.git.gaetan.rivet@6wind.com> <d9bda0c2-0e1b-79ae-453a-2fe43118c840@intel.com> Message-ID: <63b3e33c-cc68-7a9a-c41c-91ff2ada50ff@intel.com> Date: Thu, 3 Aug 2017 14:00:15 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: <d9bda0c2-0e1b-79ae-453a-2fe43118c840@intel.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] [PATCH v11 00/11] introduce fail-safe PMD X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <http://dpdk.org/ml/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://dpdk.org/ml/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <http://dpdk.org/ml/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> X-List-Received-Date: Thu, 03 Aug 2017 13:00:18 -0000 On 7/18/2017 5:08 PM, Ferruh Yigit wrote: > On 7/18/2017 1:48 PM, Gaetan Rivet wrote: >> This PMD intercepts and manages Ethernet device removal events issued by >> slave PMDs and re-initializes them transparently when brought back so that >> existing applications do not need to be modified to benefit from true >> hot-plugging support. >> >> The stacked PMD approach shares many similarities with the bonding PMD but >> with a different purpose. While bonding provides the ability to group >> several links into a single logical device for enhanced throughput and >> supports fail-over at link level, this one manages the sudden disappearance >> of the underlying device; it guarantees applications face a valid device in >> working order at all times. >> >> Each fail-safe instance is configured to run atop one or several >> devices, with one defined as the preferred device. Hot-plug events are >> handled on all of them, and Tx is always directed to the preferred device >> if present or to the next available failover device (Rx is always performed >> on all devices for simplicity). >> >> Moreover, the configured slaves (preferred or failover) do not need to be >> present at initialization time and may appear later. >> >> Slaves configuration is continuously synchronized with that of the virtual >> device, which exposes their common set of capabilities to the application. >> Failure to apply the current configuration state to a slave for any reason >> simply reschedules its initialization. >> >> This patchset depends on: >> >> [dpdk-dev] [PATCH v4 0/8] fix hotplug API >> http://dpdk.org/ml/archives/dev/2017-July/071340.html >> >> v1 --> v2: >> >> - Wrote documentation >> - Fixed commit logs, signed-off-by >> - Added LSC event support >> - A few minor fixes >> >> v2 --> v3: >> >> - Numerous bug fixes. >> - Complete sub-EAL rework to follow new bus API. >> - burst protection on sub removal. >> - more flexible sub definition. >> - flow isolated mode support. >> >> v3 --> v4: >> >> - Split back commits >> net/failsafe: add fast burst functions >> net/failsafe: support device removal >> That were squashed by error during a rebase >> - Fix segfault on port plugin >> - Fix isolate mode support for MLX4 ports plugin >> >> v4 --> v5: >> >> - Follow new plug / unplug API. >> >> v5 --> v6: >> >> - Follow new hotplug API. >> - Improve usability of hotplug API. >> - Fix rte_dev hotplug API implementation. >> - Introduce rte_eal_devargs_rmv API as EXPERIMENTAL. >> - Use it to clean up resources on hotplug_remove. >> - Fix hotplug implementation and support un pci bus. >> The scan was not idempotent, nor clean. >> Neither were the device fields. >> - Implement plug operation for vdev bus. >> This is needed for hotplug support and to make the EAL >> independent from vdev-specific API. >> - Remove useless parameters from plug / unplug API. >> >> This patchset is fairly big and complex. The hotplug API has been rushed and >> has never been tested outside of the special case of vdev bus. >> >> These evolutions are proposed alongside this PMD as only this PMD allows to test >> this API at the moment, and without those evolutions this PMD cannot be used. >> >> v6 --> v7 >> >> - Split the series in three, with >> vlan filter configuration store standing alone >> Hotplug API fixes separated >> Fail-safe PMD on its own. >> >> These changes should ease integration. >> >> v7 --> v8 >> >> - Fix usage examples in documentation. >> - Use rte_eth_dev_allocated when relevant. >> >> v8 --> v9 >> >> - Use calloc instead of rte_realloc for command line parsing. >> - Include errno only when necessary. >> >> v9 --> v10 >> >> - Fix rte_flow description double-free issue. >> Thanks Raslan for finding the issue :) >> - Use RTE_ASSERT instead of assert. >> Integrate the debug log of the fail-safe to >> RTE_LOG_DEBUG macro as well, allowing dynamic log levels. >> - Remove devices post-state-sync during slave upkeep, >> to avoid a useless early probe attempt. >> >> v10 --> v11 >> >> - Added Glossary in documentation. >> - Fixed issues oulined in [1]. >> - Removed Rx offload advertizement in feature matrix. >> >> [1]: http://dpdk.org/ml/archives/dev/2017-July/071406.html >> >> Gaetan Rivet (11): >> ethdev: add deferred intermediate device state >> ethdev: count devices consistently >> net/failsafe: add fail-safe PMD >> net/failsafe: add plug-in support >> net/failsafe: add flexible device definition >> net/failsafe: support flow API >> net/failsafe: support Rx offload capabilities >> net/failsafe: add fast burst functions >> net/failsafe: support device removal >> net/failsafe: support link status change event >> net/failsafe: support flow API isolation mode > > Series applied to dpdk-next-net/master, thanks. Hi Gaetan, Can you please send a patch to update release notes to announce the new PMD? And can you also send a web page to list the PMD within supported NICs [1]? Thanks, ferruh [1] http://dpdk.org/doc/nics