From owner-freebsd-net@FreeBSD.ORG Sat Sep 24 20:55:28 2011 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id CA4A61065675 for ; Sat, 24 Sep 2011 20:55:28 +0000 (UTC) (envelope-from lacombar@gmail.com) Received: from mail-ww0-f50.google.com (mail-ww0-f50.google.com [74.125.82.50]) by mx1.freebsd.org (Postfix) with ESMTP id 62A038FC15 for ; Sat, 24 Sep 2011 20:55:27 +0000 (UTC) Received: by wwe3 with SMTP id 3so4734900wwe.31 for ; Sat, 24 Sep 2011 13:55:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=q8prs8Q0iZpH8jT7wV1OKfiFu9K75OlviOkJUYBms/U=; b=Pu/OMrAtC/var0eJGBDghsmUxAV3XlvJ2SXS394nfrMHBkITXtou0Sn9D5FKgHvPAP HxZ/HL2aF4Q23OfeSXLPUoAmLgGWz5an1xieP2W/RYqdirbaaMRqYJc9RUQDK8hUzJjk vn5Aum2pKi0cyPgTQx57DBKhJmmx9uGYat4iA= MIME-Version: 1.0 Received: by 10.227.135.130 with SMTP id n2mr5093163wbt.51.1316897727136; Sat, 24 Sep 2011 13:55:27 -0700 (PDT) Received: by 10.180.103.33 with HTTP; Sat, 24 Sep 2011 13:55:27 -0700 (PDT) In-Reply-To: References: Date: Sat, 24 Sep 2011 16:55:27 -0400 Message-ID: From: Arnaud Lacombe To: Rafael Ganascim Content-Type: text/plain; charset=ISO-8859-1 Cc: freebsd-net@freebsd.org Subject: Re: em/igb multiqueue support X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 24 Sep 2011 20:55:28 -0000 Hi, On Sat, Sep 24, 2011 at 4:09 PM, Rafael Ganascim wrote: > Hi, > > I think that this is an old question.... > > I think that Intel 82575 (and another models) hardware are capable of > multiple queues both on the receive and the send side. Is it right? > Currently the processing of packets is limited to one CPU per NIC. > > Can we have multiple taskq processes for one NIC in parallel? Is > anyone working on this right now, and if not does this sound like > something > anyone is interested in doing? (yes, I know the Yandex driver). > igb(4) already supports multiqueue, with 1 task per queue, and you can have at most 4 queue on the 82575. em(4) multiqueue is more controversial. - Arnaud > -- > Best regards, > > Rafael > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" >