From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-it0-f45.google.com (mail-it0-f45.google.com [209.85.214.45]) by dpdk.org (Postfix) with ESMTP id D89191DBF for ; Tue, 12 Dec 2017 13:58:33 +0100 (CET) Received: by mail-it0-f45.google.com with SMTP id p139so24299781itb.1 for ; Tue, 12 Dec 2017 04:58:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:reply-to:in-reply-to:references:from:date:message-id :subject:to; bh=77JBiltUI0nLKT/Ng9lIv2J5BLWV/2ggv7U6TcyNX7M=; b=OWfVINsicNjlTpCxti4lWmvc8++FDTPf+DZNQjFuARITo+09Zm4QiG4jq0SGveMDBn M7eLbfs3QmxkYS2OXW9gtQuP+71nRGlcwMDT7I8UDsQkKoxKJ7BxeDyCr45JVZpbmAUl KheeWO3nfYi0DTvX8UYMeb3HbOeWjDm6t8cAKefTU4MoSzOK7AGKQHBuxUFeJvORwoRm tpC1+USZtQfLAsN17QbLSQDUcsXXjU8P2sjpHkAKM4TrwPtA0V1UK7zIfQhniWpfNzC3 je65yGbmryn6cfq44i26rEP/ZDG4mRsaEVnhoQ2Yb199kFu3QcPuHob6p95GAkK7bOVQ vwFw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:reply-to:in-reply-to:references :from:date:message-id:subject:to; bh=77JBiltUI0nLKT/Ng9lIv2J5BLWV/2ggv7U6TcyNX7M=; b=ADn0qtXFvfkF+oCr8j1EuntKYfIrR6B44IF1FJxheauRSOGVKaD4h5S5uMzIn8M7aV lg4Z7BfD9IowprPrVP4pOJa3GCtZ4MEEasoJsxYkYJqrVqHX/48Dea/UWo9ZPIIpuDXx UymibYQiQFgBnRnLluAb+1WLXns7pq2a6VEC33CvgWiZ+EAXaUWO+5YzHNqdLx5xvlD/ AP9Xt6YJcq8MSv/+m1mY2PyXthplNbbkf6TTwrKSuYt2/6Mv1oUBQzD9SnzV/8tWvRMR 3oxogorBPWAytLJTJ2JNYqSPO5R8BFVIf+PHm6H2DWlW+iavsNM6gT26A0Mc/V6Iy6gq t7Tg== X-Gm-Message-State: AKGB3mKAEmDTU/6EsXsU+SdUT+8S5tySBSH8NrVSDsA0XtfG2PsO6qoJ ol7xG0Y4Dpsx9ctqOg2tBlxY8ovgSMNXeldw2Dhxzg== X-Google-Smtp-Source: ACJfBot2Q1m/xPMw7E9HOzsvp/Hd7IxVW8Y7opyhYfvvBKYNyIG/QYz6qDnIaOc7FopbCJ/D0GUiQSgTZHoRGFcDKOM= X-Received: by 10.107.142.72 with SMTP id q69mr4956842iod.205.1513083512819; Tue, 12 Dec 2017 04:58:32 -0800 (PST) MIME-Version: 1.0 Received: by 10.2.144.139 with HTTP; Tue, 12 Dec 2017 04:58:32 -0800 (PST) In-Reply-To: References: From: ".." Date: Tue, 12 Dec 2017 13:58:32 +0100 Message-ID: To: users@dpdk.org Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: Re: [dpdk-users] VF RSS availble in I350-T2? X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list Reply-To: hyperhead@gmail.com List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Dec 2017 12:58:34 -0000 I assume my message was ignored due to it not being related to dpdk software? On 11 December 2017 at 10:14, .. wrote: > Hi, > > I have an intel I350-T2 which I use for SR-IOV, however, I am hitting some > rx_dropped on the card when I start increasing traffic. (I have got more > with the same software out of a identical bare metal system) > > I am using the Intel igb driver on Centos 7.2 (downloaded from Intel not > the driver installed with Centos), so the RSS parameters amongst others are > availbe to me > > This then led me to investigate the interrupts on the tx rx ring buffers > and I noticed that the interface (vfs enabled) only had on tx/rx queue. Its > distributed between This is on the KVM Host > > CPU0 CPU1 CPU2 CPU3 CPU4 > CPU5 CPU6 CPU7 CPU8 > 100: 1 33 137 0 0 > 0 0 0 0 IR-PCI-MSI-edge ens2f1 > 101: 2224 0 0 6309 178807 > 0 0 0 0 IR-PCI-MSI-edge ens2f1-TxRx-0 > > Looking at my standard nic ethernet ports I see 1 rx and 4 rx queues > > On the VM I only get one tx one rx queue ( I know all the interrupts are > only using CPU0) but that is defined in our builds. > > egrep "CPU|ens11" /proc/interrupts > CPU0 CPU1 CPU2 CPU3 CPU4 > CPU5 CPU6 CPU7 > 34: 715885552 0 0 0 0 > 0 0 0 0 PCI-MSI-edge ens11-tx-0 > 35: 559402399 0 0 0 0 > 0 0 0 0 PCI-MSI-edge ens11-rx-0 > > I activated RSS in my card, and can set if, however if I use the param > max_vfs=n then it defaults back to to 1 rx 1 tx queue per nic port > > [ 392.833410] igb 0000:07:00.0: Using MSI-X interrupts. 1 rx queue(s), 1 > tx queue(s) > [ 393.035408] igb 0000:07:00.1: Using MSI-X interrupts. 1 rx queue(s), 1 > tx queue(s) > > I have been reading some of the dpdk older posts and see that VF RSS is > implemented in some cards, does anybody know if its available in this card > (from reading it only seemed the 10GB cards) > > One of my plans aside from trying to create more RSS per VM is to add more > CPUS to the VM that are not isolated so that the rx and tx queues can > distribute their load a bit to see if this helps. > > Also is it worth investigating the VMDq options, however I understand this > to be less useful than SR-IOV which works well for me with KVM. > > > Thanks in advance, > > Rolando >