From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ot0-f194.google.com (mail-ot0-f194.google.com [74.125.82.194]) by dpdk.org (Postfix) with ESMTP id 51B461B28B for ; Fri, 19 Jan 2018 12:10:30 +0100 (CET) Received: by mail-ot0-f194.google.com with SMTP id 53so1104619otj.2 for ; Fri, 19 Jan 2018 03:10:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=YOQiElZ2MVTAhOGEMVZWOFyvbr4mJa3tKZzJm3l+1xs=; b=olvGMcnQpcWih4kydxG0NzKGEx9m5wOAMFL7jf/GFKdWI5sR19T4Xzo0F6XOscGGho 7ltyrr76GncjQWWIE8fmy5Vz4FHG8G7S4Ejhg+H3pL6fhh4U1i1bu0ZHJsq6c1sjJtEY 7zR5GqHDgrvMOwMXVwofr/tMzZhkEcOcoaqa4SI+0it6j/xTxl0T+E+JKgHBxdoTsjFr Ac7py+18c7MguNuUpjhi7GKBFLZBFjVud6zz32TKcVH0eN7jQfXy5ibzPGvDEvN1gJud hqt+2UsLV4Dup18kRLCzTCm3AtZhrIRzHkCZGYf8ydUOXHC/MAUXHfUS4EoLL0HTW6vJ 6V/Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=YOQiElZ2MVTAhOGEMVZWOFyvbr4mJa3tKZzJm3l+1xs=; b=TSx2tZ/DtMwkHwYAhssvmD3rsqOAsJmY4SDmlHuND7lPv51MxbS4hA8fHWZP+zYfj1 bh5OnEeug59g6Bs0ke/+9wgPiqKiFLotfFqPxt+e4Z73mzGtUQV5m3ugB9grSXHLlSlB +3+GAUIXzEyCzBgaRus5SJVBHHef9F+ybFCxi4WZW47UyvCfX1VafNfzuPdj2tICh3IP s6/VqnH562ouDmzvtF22nChU/S5grZBBoUHwsBMyESeUj4a9I6MXtziMC6L4dpWDfAOW 8dKMuUxczGFzCFypK+5B7IKa+vU4iBMtohj+GzajjX1drqL4wqxmkWxoboAkg6fkmhl4 wmFA== X-Gm-Message-State: AKwxytd2EvqZOmdUi+7LheJ1J/ROs5tfsjTINFvn9tN+j9Szad3kaWqr Qbwjih1xZXdxdR3OJK3LPgjJ02Ssl3ezhWP1n6Y= X-Google-Smtp-Source: ACJfBotBo3XgACwxrpd9BH094pbgqjjZFzs03RqTV3oohy9TH6S94sVH51VqHfO3AcaDUEAR8I8PqB9qKSJwH8RsUYs= X-Received: by 10.157.22.137 with SMTP id c9mr5761922ote.192.1516360230211; Fri, 19 Jan 2018 03:10:30 -0800 (PST) MIME-Version: 1.0 Received: by 10.74.84.3 with HTTP; Fri, 19 Jan 2018 03:10:29 -0800 (PST) In-Reply-To: <20180118150505.GP4256@6wind.com> References: <20180118084828.GO4256@6wind.com> <20180118150505.GP4256@6wind.com> From: Timur Bogdanov Date: Fri, 19 Jan 2018 14:10:29 +0300 Message-ID: To: Adrien Mazarguil Cc: users@dpdk.org, Olga Shern , Shahaf Shuler , Timothy Redaelli Content-Type: text/plain; charset="UTF-8" X-Mailman-Approved-At: Fri, 19 Jan 2018 22:12:45 +0100 Subject: Re: [dpdk-users] Unable to launch testpmd with Mellanox ConnectX-3 Pro NIC X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 Jan 2018 11:10:31 -0000 Server kernel is 4.14.13-1.el7.elrepo.x86_64. The rdma-core is v16. Parameter "log_num_mgm_entry_size" is set to "-1" So I don't know why testpmd still runs with same error: PMD: net_mlx4: 0xda13c0: cannot attach flow rules (code 95, "Operation not supported"), flow error type 2, cause 0x7f2869cdab80, message: flow rule rejected by device /Regards, Timur On Thu, Jan 18, 2018 at 6:05 PM, Adrien Mazarguil wrote: > On Thu, Jan 18, 2018 at 03:11:16PM +0300, Timur Bogdanov wrote: >> Yes, the problem was in this parameter and after changing it to "-1" >> testpmd application has been started successfully. >> >> BUT, it started successfully only on server where Mellanox OFED is installed. >> >> On another server a rdma-core was installed from sources. (rpm's were >> built and installed) >> I also changed the value of log_num_mgm_entry_size parameter to "-1" >> and restarted a server (since where is no openibd service on this >> server) and got the same error. >> Maybe mlx4_core kernel module parameter should be changed in some >> other config file? > > In case MLNX_OFED is *not* installed, do both rdma-core and kernel version > meet the minimum requirements? > > - rdma-core v15 > - Linux 4.14 > > Note while the above versions are fine for mlx5 (ConnectX-4, ConnectX-5), > they provide reduced performance and RSS capabilities for mlx4 (ConnectX-3), > for which I recommend to use at least: > > - rdma-core v16 > - Linux 4.15 (not released yet, 4.15-rc8 will do in the meantime) > >> Anyway, I can also install and use OFED instead of RDMA but the RDMA >> is pointed as recommended on instructions page >> "http://dpdk.org/doc/guides/nics/mlx4.html" and it is interesting to >> bring it to working state. >> /Regards, Timur > > rdma-core requires an up-to-date kernel. If this can't be satisfied, > MLNX_OFED is the only alternative (the mlnx-ofa_kernel package). > >> On Thu, Jan 18, 2018 at 11:48 AM, Adrien Mazarguil >> wrote: >> > On Tue, Jan 16, 2018 at 06:59:31PM +0300, Timur Bogdanov wrote: >> >> Hi, >> >> >> >> I'm trying to use dpdk with Mellanox ConnectX-3 Pro NIC. >> >> I built PMD for it according to instructions on >> >> "http://dpdk.org/doc/guides/nics/mlx4.html" and tried to launch >> >> testpmd app but got following error: >> > >> >> PMD: net_mlx4: 0xda13c0: cannot attach flow rules (code 95, "Operation >> >> not supported"), flow error type 2, cause 0x7f2869cdab80, message: >> >> flow rule rejected by device >> >> >> >> Fail to start port 0 >> > >> >> What can be the reason of testpmd does not start correctly? >> > >> > Did you provide by any chance -7 instead of -1 as a value for mlx4_core.ko's >> > log_num_mgm_entry_size parameter (as recommended by the above >> > documentation)? >> > >> > Timothy (CC'ed) reported that -7 does not quite work with the default flow >> > rules (too many limitations) and results in the above error message. -1 >> > should be used, -7 is only for specific use cases and should probably not >> > even be documented in this file. >> > >> > -- >> > Adrien Mazarguil >> > 6WIND > > -- > Adrien Mazarguil > 6WIND