From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oi0-f49.google.com (mail-oi0-f49.google.com [209.85.218.49]) by dpdk.org (Postfix) with ESMTP id 94DF0DE5 for ; Sat, 28 Jan 2017 00:21:41 +0100 (CET) Received: by mail-oi0-f49.google.com with SMTP id j15so166011103oih.2 for ; Fri, 27 Jan 2017 15:21:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=thezims-net.20150623.gappssmtp.com; s=20150623; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=y45+UWEPkAcAQSwMdzzZCagE5/aN6x2YyjsZ/11RYWU=; b=enSUeuCFwguTLtBF25ka0MctwBU+NxbPQnK8ce68B3EDOVz5zpJLc2zc3YL7aXUSKO 7QBAbtGS8k3ePl2QhdJAZGls6ctefOMU9EElpcoLsLILOS17aupgQVHYmVB522/J/WO7 VCaLgP14+QQkhDIwzKQAXjbDl6NMntNqM9aOBRwyl7UCECA+kmcF0ZYIArm+iD+0eZcA cr4FSBz7+G4tMAidTJCo9WZ4qFWF/qtjIerihysCnJELBMV3ae6LY7ppIWqMc1lUeoPG XnoVxqR3qz6+em5q2b2aHvdOimWdxTDuw8XY5S1qWb6NVJ+r1RFZpo2tKEXLfiYDAlA8 Jy2A== 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=y45+UWEPkAcAQSwMdzzZCagE5/aN6x2YyjsZ/11RYWU=; b=VgmjZI7ST3bA1xe9TGtX3+NlhMtd2LwzHrKS6wPqbZGJIueTVmVY+4QQYiRRSPGvfW i6FjW2mIAmAfUfvpy0N6u+mefk6Rfoevtv1zF2uncW8vpIqrpE0QUml2FQvOb2iz1FoO Zekt3MwglaRKpdy0ItJ44RmPLMh7eSJa0/aMobHO41TvfrDVQgmT8ehw0l0kcFWZK8MM H86ZaACgopH4wvaCwczAVENjc01I76y2qK8vTMhaZMfK8BFS9+VYL1tTTkrVG9Jx4Tw1 Txd/sc6Rg+64lSL0lHElsaTHre4mn/Dly3LgMxPLHvJHRIxt8XZ/NOfXWWxqygSmHwXb bA/w== X-Gm-Message-State: AIkVDXLO1qg0T1+F0yCOlUyPiZWh8QmkvP7dni0NgVGRnshMrAfS4GUJhJ+HBhj8qVaeZ8RbTWYhtJeadrMQaRMj X-Received: by 10.202.4.84 with SMTP id 81mr5804896oie.127.1485559300858; Fri, 27 Jan 2017 15:21:40 -0800 (PST) MIME-Version: 1.0 Received: by 10.202.173.78 with HTTP; Fri, 27 Jan 2017 15:21:10 -0800 (PST) In-Reply-To: <20170127140308.3855cbd2@xeon-e3> References: <20170127140308.3855cbd2@xeon-e3> From: Rob Zimmerman Date: Fri, 27 Jan 2017 18:21:10 -0500 Message-ID: To: Stephen Hemminger Cc: users@dpdk.org Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: Re: [dpdk-users] RSS RETA size of 0 on vmxnet3? 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, 27 Jan 2017 23:21:41 -0000 Thanks for the reply, @networkplumber :) No KNI interface here, unfortunately. Just a plain-ol DPDK ethernet device. In the scenario where the RETA size is 0 I'm using the vmxnet3_pmd. Within the application the eth devices are initialized and I make a call to rte_eth_dev_info_get(). What is everyone else seeing for the RETA size using vmxnet3? Thanks again everyone, ~Rob On Fri, Jan 27, 2017 at 5:03 PM, Stephen Hemminger < stephen@networkplumber.org> wrote: > On Fri, 27 Jan 2017 14:53:22 -0500 > Rob Zimmerman wrote: > > > Happy Friday, everyone! > > > > Testing within VMWARE and my device query is showing the following: > > > > RSS Offload > > - reta size: 0 > > - IPv4: yes > > - TCP: yes > > - UDP: no > > - SCTP: no > > - IPv6: yes > > .... > > > > How exactly does RSS work with a table size of zero? Unless I'm > completely > > misunderstanding how to use RSS, I thought the redirection table was > > instrumental to that process... > > > > FWIW, I'm running the same code on a bare-metal box with Intel I350's > > (igb_pmd) and it's showing a RETA size of 128, so I don't think it's my > > code showing a junk value. > > > > Thanks! > > Rob > > If you are querying a KNI interface (ie through Linux), it just means > the KNI interface doesn't do the ethtool support that value. >