From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 006EDA00E6 for ; Mon, 5 Aug 2019 11:20:47 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id EB5D41B9D6; Mon, 5 Aug 2019 11:20:47 +0200 (CEST) Received: from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) by dpdk.org (Postfix) with ESMTP id 0BA941B9D6; Mon, 5 Aug 2019 11:20:45 +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 x759AkYH030662; Mon, 5 Aug 2019 02:20:45 -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-type : content-transfer-encoding; s=pfpt0818; bh=UmfZPG3IvEWGPtPwoIiKWEZmMUO0zwO5cgoDznInf6w=; b=oql27rF1HuC4hYD6uoCp8Bw/6aAE/74P6iDuK3e9JhWly9VXHq/8rkIAkXoWi+CJPGhh +vKm9S4dT9HHBMuwPPnjgyXI5CO4QeIanP8uB9e1zcKjkW+ESsPnq8vGjjt2XSO0pFEK 40qgoEHe+cP7mqzfwDIXbHctN80OsPyxIG6Y7Ee1iUhdBeU0ofTI+DlctDbKMmeOQ9iL Rv2osdDX8D2rU+Qo9wVkPBmJRsJliPFDqvXX478hNpA2upCbqZvP32RH1ejMj+jmg21t pidwDto4hBPKf/0R5JvNYulRN0c9PQyCv+E6pJr1Ahm9R/0Y29/FH+sETzO9rQ6wQwgx lA== Received: from sc-exch02.marvell.com ([199.233.58.182]) by mx0a-0016f401.pphosted.com with ESMTP id 2u57mqx8s2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Mon, 05 Aug 2019 02:20:45 -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; Mon, 5 Aug 2019 02:20:43 -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; Mon, 5 Aug 2019 02:20:43 -0700 Received: from irv1user08.caveonetworks.com (unknown [10.104.116.105]) by maili.marvell.com (Postfix) with ESMTP id B4F963F7040; Mon, 5 Aug 2019 02:20:43 -0700 (PDT) Received: (from rmody@localhost) by irv1user08.caveonetworks.com (8.14.4/8.14.4/Submit) id x759Kgkt019243; Mon, 5 Aug 2019 02:20:42 -0700 X-Authentication-Warning: irv1user08.caveonetworks.com: rmody set sender to rmody@marvell.com using -f From: Rasesh Mody To: , Thomas Monjalon CC: Rasesh Mody , John McNamara , Jerin Jacob Kollanukkaran , , Date: Mon, 5 Aug 2019 02:19:54 -0700 Message-ID: <20190805091954.18841-1-rmody@marvell.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20190731080207.19167-1-rmody@marvell.com> References: <20190731080207.19167-1-rmody@marvell.com> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:5.22.84,1.0.8 definitions=2019-08-05_04:2019-07-31,2019-08-05 signatures=0 Subject: [dpdk-stable] [PATCH v2] doc: add a co-existence consideration for qede PMD X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" Add and update co-existence considerations for qede PMD v2: Made co-existence considerations for QLogic adapters more specific Cc: stable@dpdk.org Signed-off-by: Rasesh Mody --- doc/guides/nics/qede.rst | 25 ++++++++++++++++++++++--- 1 file changed, 22 insertions(+), 3 deletions(-) diff --git a/doc/guides/nics/qede.rst b/doc/guides/nics/qede.rst index c0a383381..05a6aef57 100644 --- a/doc/guides/nics/qede.rst +++ b/doc/guides/nics/qede.rst @@ -7,7 +7,7 @@ QEDE Poll Mode Driver The QEDE poll mode driver library (**librte_pmd_qede**) implements support for **QLogic FastLinQ QL4xxxx 10G/25G/40G/50G/100G Intelligent Ethernet Adapters (IEA) and Converged Network Adapters (CNA)** family of adapters as well as SR-IOV virtual functions (VF). It is supported on -several standard Linux distros like RHEL7.x, SLES12.x and Ubuntu. +several standard Linux distros like RHEL, SLES, Ubuntu etc. It is compile-tested under FreeBSD OS. More information can be found at `QLogic Corporation's Website @@ -47,8 +47,27 @@ Non-supported Features Co-existence considerations --------------------------- -- QLogic FastLinQ QL4xxxx CNAs can have both NIC and Storage personalities. However, coexistence with storage protocol drivers (qedi and qedf) is not supported on the same adapter. So storage personality has to be disabled on that adapter when used in DPDK applications. -- For SR-IOV case, qede PMD will be used to bind to SR-IOV VF device and Linux native kernel driver (qede) will be attached to SR-IOV PF. + +- QLogic FastLinQ QL4xxxx CNAs support Ethernet, RDMA, iSCSI and FCoE + functionalities. These functionalities are supported using + QLogic Linux kernel drivers qed, qede, qedr, qedi and qedf. DPDK is + supported on these adapters using qede PMD. + +- When SR-IOV is not enabled on the adapter, + QLogic Linux kernel drivers (qed, qede, qedr, qedi and qedf) and qede + PMD can’t be attached to different PFs on a given QLogic FastLinQ + QL4xxx adapter. + A given adapter needs to be completely used by DPDK or Linux drivers + Before binding DPDK driver to one or more PFs on the adapter, + please make sure to unbind Linux drivers from all PFs of the adapter. + If there are multiple adapters on the system, one or more adapters + can be used by DPDK driver completely and other adapters can be used + by Linux drivers completely. + +- When SR-IOV is enabled on the adapter, + Linux kernel drivers (qed, qede, qedr, qedi and qedf) can be bound + to the PFs of a given adapter and either qede PMD or Linux drivers + (qed and qede) can be bound to the VFs of the adapter. Supported QLogic Adapters ------------------------- -- 2.18.0