From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <dev-bounces@dpdk.org> Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id A2F94A00E6 for <public@inbox.dpdk.org>; Fri, 9 Aug 2019 10:17:49 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id C6BF3231E; Fri, 9 Aug 2019 10:17:48 +0200 (CEST) Received: from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) by dpdk.org (Postfix) with ESMTP id 489F92082 for <dev@dpdk.org>; Fri, 9 Aug 2019 10:17:47 +0200 (CEST) Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id x798Elr5022887; Fri, 9 Aug 2019 01:17:46 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=pfpt0818; bh=UWj91t4crDuBPmv+XZviP7GuUFlFkZcqYErDwIuwZ7Q=; b=S9SC6hT//gtXbrYfTRo5XQl3VKkup7u4wuXTBVSCH3xS/qFe2V/KNJKx+TLqVE1fo7nH KJpA29unQjN5pf59OVGKVrxl7uaetsE1ub/piS5ZZV6cX/RBkOT36h0V9lrwoakgx5Wz 8tq5IOttw9byoV5JcVRRr7igFG1tkaSPJmQWHqXnRKST9TO+bR9uvyJ4QXzaqklSioZN lTNhxWOIMzVmygks3zl8mZRsEXza4f362hObYZWvq0XzgFyUSrimjqvOo+BtAKwGQPta 69hvo58VT7mBmtPLqm367r0DfM/SMiquagzvkYxmBlqwNAo79PG8eU5p4SLoqVu/R2JI SQ== Received: from sc-exch02.marvell.com ([199.233.58.182]) by mx0a-0016f401.pphosted.com with ESMTP id 2u8cqjdaux-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Fri, 09 Aug 2019 01:17:46 -0700 Received: from SC-EXCH01.marvell.com (10.93.176.81) by SC-EXCH02.marvell.com (10.93.176.82) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Fri, 9 Aug 2019 01:17:45 -0700 Received: from maili.marvell.com (10.93.176.43) by SC-EXCH01.marvell.com (10.93.176.81) with Microsoft SMTP Server id 15.0.1367.3 via Frontend Transport; Fri, 9 Aug 2019 01:17:45 -0700 Received: from BG-LT7430.marvell.com (bg-lt7430.marvell.com [10.28.20.237]) by maili.marvell.com (Postfix) with ESMTP id E137F3F703F; Fri, 9 Aug 2019 01:17:41 -0700 (PDT) From: <pbhagavatula@marvell.com> To: <jerinj@marvell.com>, <stephen@networkplumber.org>, <arybchenko@solarflare.com>, <hemant.agrawal@nxp.com>, <thomas@monjalon.net>, <ferruh.yigit@intel.com>, <bruce.richardson@intel.com>, Neil Horman <nhorman@tuxdriver.com>, John McNamara <john.mcnamara@intel.com>, "Marko Kovacevic" <marko.kovacevic@intel.com> CC: <dev@dpdk.org>, Pavan Nikhilesh <pbhagavatula@marvell.com> Date: Fri, 9 Aug 2019 13:47:40 +0530 Message-ID: <20190809081740.1607-1-pbhagavatula@marvell.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190808085859.796-1-pbhagavatula@marvell.com> References: <20190808085859.796-1-pbhagavatula@marvell.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:5.22.84,1.0.8 definitions=2019-08-09_02:2019-08-07,2019-08-09 signatures=0 Subject: [dpdk-dev] [patch v4] doc: announce API change in ethdev offload flags X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> Errors-To: dev-bounces@dpdk.org Sender: "dev" <dev-bounces@dpdk.org> From: Pavan Nikhilesh <pbhagavatula@marvell.com> Add new offload flags ``DEV_RX_OFFLOAD_RSS`` and ``DEV_RX_OFFLOAD_FLOW_MARK``. Add new function ``rte_eth_dev_set_supported_ptypes`` to allow application to set specific ptypes to be updated in ``rte_mbuf::packet_type`` Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com> Acked-by: Andrew Rybchenko <arybchenko@solarflare.com> Acked-by: Jerin Jacob <jerinj@marvell.com> Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com> --- doc/guides/rel_notes/deprecation.rst | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst index 37b8592b6..e4e2a85d7 100644 --- a/doc/guides/rel_notes/deprecation.rst +++ b/doc/guides/rel_notes/deprecation.rst @@ -78,3 +78,26 @@ Deprecation Notices to set new power environment if power environment was already initialized. In this case the function will return -1 unless the environment is unset first (using ``rte_power_unset_env``). Other function usage scenarios will not change. + +* ethdev: New offload flags ``DEV_RX_OFFLOAD_RSS_HASH`` and ``DEV_RX_OFFLOAD_FLOW_MARK`` + will be added in 19.11. + This will allow application to enable or disable PMDs from updating + ``rte_mbuf::hash::rss`` and ``rte_mbuf::hash::fdir`` respectively. + This scheme will allow PMDs to avoid writes to ``rte_mbuf`` fields on Rx and + thereby improve Rx performance if application wishes do so. + In 19.11 PMDs will still update the fields even when the offloads are not + enabled. + +* ethdev: New function ``rte_eth_dev_set_supported_ptypes`` will be added in + 19.11. + This will allow application to request PMD to set specific ptypes defined + through ``rte_eth_dev_set_supported_ptypes`` in ``rte_mbuf::packet_type``. + If application doesn't want any ptype information it can call + ``rte_eth_dev_set_supported_ptypes(ethdev_id, RTE_PTYPE_UNKNOWN)`` + If application doesn't call ``rte_eth_dev_set_supported_ptypes`` PMD can + return ``rte_mbuf::packet_type`` with ``rte_eth_dev_get_supported_ptypes``. + If application is interested only in L2/L3 layer, it can inform the PMD to update + ``rte_mbuf::packet_type`` with L2/L3 ptype by calling + ``rte_eth_dev_set_supported_ptypes(ethdev_id, RTE_PTYPE_L2_MASK | RTE_PTYPE_L3_MASK)``. + This scheme will allow PMDs to avoid writes to ``rte_mbuf`` fields on Rx and + thereby improve Rx performance if application wishes do so. -- 2.17.1