From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <Jerin.JacobKollanukkaran@cavium.com> Received: from NAM01-SN1-obe.outbound.protection.outlook.com (mail-sn1nam01on0048.outbound.protection.outlook.com [104.47.32.48]) by dpdk.org (Postfix) with ESMTP id 207DB1B1BD for <dev@dpdk.org>; Tue, 10 Oct 2017 18:50:07 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=CAVIUMNETWORKS.onmicrosoft.com; s=selector1-cavium-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version; bh=7YiW6pjf4938eRPx9G0PltLY9vlLjUiealopwd21A3o=; b=onYqAjvYoSus/9gun3MXCUvoo0S68iVGDulSstutlPv/Fx71GFPmlggvuaqKjP6LYcgjAWpwmfqYUxjBzCsHkVIAGMIfj8Dd0SHVyoogI+1QEtwa+9eBT17AY3peYVu5vEjcq07AR3aDq7c2FGP0SiBOrmyDnlpg+puV+vzcehk= Received: from jerin (171.61.81.39) by CO2PR07MB2518.namprd07.prod.outlook.com (10.166.200.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id 15.20.77.7; Tue, 10 Oct 2017 16:50:03 +0000 Date: Tue, 10 Oct 2017 22:19:44 +0530 From: Jerin Jacob <jerin.jacob@caviumnetworks.com> To: Nikhil Rao <nikhil.rao@intel.com> Cc: bruce.richardson@intel.com, dev@dpdk.org Message-ID: <20171010164943.GA4910@jerin> References: <1507674097-19597-1-git-send-email-nikhil.rao@intel.com> MIME-Version: 1.0 Content-Type: text/plain; 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While > some platforms (e.g. Cavium Octeontx) do this operation in hardware, other > platforms use software. > > This patchset introduces an ethernet Rx event adapter that dequeues packets > from ethernet devices and enqueues them to event devices. This patch is based on > a previous RFC[2] and supercedes [3], the main difference being that > this version implements a common abstraction for HW and SW based packet transfers. > > The adapter is designed to work with the EAL service core[4] for SW based > packet transfers. An eventdev PMD callback is used to determine that SW > based packet transfer service is required. The application can discover > and configure the service with a core mask using rte_service APIs. > > The adapter can service multiple ethernet devices and queues. For SW based > packet transfers each queue is configured with a servicing weight to > control the relative frequency with which the adapter polls the queue, > and the event fields to use when constructing packet events. The adapter > has two modes for programming an event's flow ID: use a static per-queue > user-specified value or use the RSS hash. > > A detailed description of the adapter is contained in the header's > comments. > > [1] http://dpdk.org/ml/archives/dev/2017-May/065341.html > [2] http://dpdk.org/ml/archives/dev/2017-May/065539.html > [3] http://dpdk.org/ml/archives/dev/2017-July/070452.html > [4] http://dpdk.org/ml/archives/dev/2017-July/069782.html > > v3: > - This patch extends the V2 implementation with some changes to > provide a common API across HW & SW packet transfer mechanisms from > the eth devices to the event devices. > - Introduces a caps API that is used by the apps and the Rx > adapter to configure the packet transfer path. > - Adds an API to retrieve the service ID of the service function. > (if one is used by the adapter) > > v4: > - Unit test fixes (Santosh Shukla) > - Pass ethernet device pointer to eventdev callback functions > instead of ethernet port ID. (Nipun Gupta) > - Check for existence of stats callback before invocation (Nipun Gupta) > - Various code cleanups (Harry Van Haaren) > > v5: > - Add RTE_EVENT_TYPE_ETH_RX_ADAPTER (Jerin) > - Add header to documentation build (Jerin) > - Split patch series into smaller patches (Jerin) > - Replace RTE_EVENT_ETH_RX_ADAPTER_CAP_FLOW_ID with > RTE_EVENT_ETH_RX_ADAPTER_CAP_OVERRIDE_FLOW_ID (Jerin) > - If eth_rx_adapter_caps_get PMD callback isn't implemented > return zeored caps (Jerin) > - Replace RTE_EVENT_ETH_RX_ADAPTER_CAP_SINGLE_EVENTQ with > RTE_EVENT_ETH_RX_ADAPTER_CAP_MULTI_EVENTQ (Jerin) > - Replace RTE_MAX_EVENT_ETH_RX_ADAPTER_INSTANCE with > RTE_EVENT_ETH_RX_ADAPTER_MAX_INSTANCE (Jerin) > - Move rss_key_be to per adapter memory > - Various other fixes (Jerin) > - Test fixes for mempool (Santosh) > - Change order for event v/s eth port init in test app (Pavan) > > v6: > - Fixed out of scope variable in rte_event_eth_rx_adapter.c (Pavan) > - Add #define for RSS_KEY_SIZE in rte_event_eth_rx_adapter.c (Pavan) > - Doxygen and git log fixes (Jerin) > > Nikhil Rao (7): Applied to dpdk-next-eventdev/master. Thanks. Please update the release notes and send the programmer guide document as discussed.