From patchwork Sat Nov 16 14:25:18 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pavan Nikhilesh Bhagavatula X-Patchwork-Id: 63060 X-Patchwork-Delegate: jerinj@marvell.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 40C43A04B3; Sat, 16 Nov 2019 15:26:32 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 60A851BE8D; Sat, 16 Nov 2019 15:25:41 +0100 (CET) Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) by dpdk.org (Postfix) with ESMTP id A4FC71BE80 for ; Sat, 16 Nov 2019 15:25:39 +0100 (CET) Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id xAGEL2bg019943; Sat, 16 Nov 2019 06:25:39 -0800 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=EuIsvG7lr7lZoIKPlYYqrS/0ciPU2jOXL5KT080ZmwM=; b=QjDZ7jEvz9eGpd2dc3urd+fIlSem9lQIyJnDipjryy92fv4/EVvxzpyCSbuOHiYDEp// /bkcUdxZ9vzxtL9lBKWXRCRpqvSRPvTWRPhqILb4/J6oblOdNDFpkY/0MqZhpwirke0r 7WvX2Qy4AjLoJz+PoNP7xvwZa3zX14GOA2jjeMWNcsUGExbl+MozAgl3Y8msC7s8THMR 9odPUzaWG6TR9/ZfibZdf/pmjjIqxSXnUsFAXB3KhqnhQ96r1yIHm3kJKKoDFUYTZbSD DrN/FMcsXNmxTgG0JTVUYl2hGM91bXjI8iMY8LnaowcIhr3gC7DNxViH4p7WoQdaJLco GA== Received: from sc-exch03.marvell.com ([199.233.58.183]) by mx0b-0016f401.pphosted.com with ESMTP id 2wahgs07ky-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Sat, 16 Nov 2019 06:25:39 -0800 Received: from SC-EXCH01.marvell.com (10.93.176.81) by SC-EXCH03.marvell.com (10.93.176.83) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Sat, 16 Nov 2019 06:25:37 -0800 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; Sat, 16 Nov 2019 06:25:37 -0800 Received: from BG-LT7430.marvell.com (unknown [10.28.17.42]) by maili.marvell.com (Postfix) with ESMTP id C82A93F703F; Sat, 16 Nov 2019 06:25:35 -0800 (PST) From: To: , John McNamara , "Marko Kovacevic" CC: , Pavan Nikhilesh Date: Sat, 16 Nov 2019 19:55:18 +0530 Message-ID: <20191116142518.1500-8-pbhagavatula@marvell.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191116142518.1500-1-pbhagavatula@marvell.com> References: <20191116142518.1500-1-pbhagavatula@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95,18.0.572 definitions=2019-11-16_04:2019-11-15,2019-11-16 signatures=0 Subject: [dpdk-dev] [PATCH 7/7] doc: update OcteonTx limitations 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: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Pavan Nikhilesh Update OcteonTx limitaion with max mempool size used. Signed-off-by: Pavan Nikhilesh --- doc/guides/eventdevs/octeontx.rst | 7 +++++++ doc/guides/nics/octeontx.rst | 7 +++++++ 2 files changed, 14 insertions(+) diff --git a/doc/guides/eventdevs/octeontx.rst b/doc/guides/eventdevs/octeontx.rst index ab36a36e0..587b7a427 100644 --- a/doc/guides/eventdevs/octeontx.rst +++ b/doc/guides/eventdevs/octeontx.rst @@ -139,3 +139,10 @@ follows: When timvf is used as Event timer adapter event schedule type ``RTE_SCHED_TYPE_PARALLEL`` is not supported. + +Max mempool size +~~~~~~~~~~~~~~~~ + +Max mempool size when using OcteonTx Eventdev (SSO) should be limited to 128K. +When running dpdk-test-eventdev on OcteonTx the application can limit the +number of mbufs by using the option ``--pool_sz 131072`` diff --git a/doc/guides/nics/octeontx.rst b/doc/guides/nics/octeontx.rst index 3c19c912d..00098a3b2 100644 --- a/doc/guides/nics/octeontx.rst +++ b/doc/guides/nics/octeontx.rst @@ -174,3 +174,10 @@ The OCTEON TX SoC family NICs support a maximum of a 32K jumbo frame. The value is fixed and cannot be changed. So, even when the ``rxmode.max_rx_pkt_len`` member of ``struct rte_eth_conf`` is set to a value lower than 32k, frames up to 32k bytes can still reach the host interface. + +Maximum mempool size +~~~~~~~~~~~~~~~~~~~~ + +The maximum mempool size supplied to Rx queue setup should be less than 128K. +When running testpmd on OcteonTx the application can limit the number of mbufs +by using the option ``--total-num-mbufs=131072``.