From owner-freebsd-net@FreeBSD.ORG Wed Feb 11 03:09:41 2015 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 8C266E1F; Wed, 11 Feb 2015 03:09:41 +0000 (UTC) Received: from mail-ig0-x229.google.com (mail-ig0-x229.google.com [IPv6:2607:f8b0:4001:c05::229]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 522853CE; Wed, 11 Feb 2015 03:09:41 +0000 (UTC) Received: by mail-ig0-f169.google.com with SMTP id hl2so25527576igb.0; Tue, 10 Feb 2015 19:09:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=A0WeFpgUs1O6NobhfNBX63PTMek23zi5aTXKnf9EmpY=; b=f1kuZjABx+Z4i/dDpXNTVyriqjz6gQTGLOrQbirY+ghVIMXZUGW8nSKsssK8qvrOSU GPpVRuBRAw7AgG9MKnLSJg4dcgBILky7Nwy9vuXph7WPmp4RTqZ7DOiFmQ6L/6UATLtn sxdJyZ+Rfot9uMbsovli5QRVOXGAqMjVHeVJSepF4hlWdC4bnBWHjjFcyo6oLxUkJMxK RLmJ3gof1oLSZKrnJXket/+KIHVlh48wrb2Q5Tk05hkwZhIG+vyiXskE8K/3aVC3rIik vKlzQcNkqo/0gnWFdGRVC/ebYFBTZW4xUN3PWFR093uwo5HdIMu68yJm2pbgl3RrxRYE FDBA== MIME-Version: 1.0 X-Received: by 10.50.79.135 with SMTP id j7mr27296593igx.32.1423624180675; Tue, 10 Feb 2015 19:09:40 -0800 (PST) Sender: adrian.chadd@gmail.com Received: by 10.36.17.7 with HTTP; Tue, 10 Feb 2015 19:09:40 -0800 (PST) In-Reply-To: References: <54CBF396.3090903@ignoranthack.me> Date: Tue, 10 Feb 2015 19:09:40 -0800 X-Google-Sender-Auth: zmnBXCrJM6OK96tIrRHPDxEJ9ps Message-ID: Subject: Re: Intel 82574L (em) From: Adrian Chadd To: Sepherosa Ziehau Content-Type: text/plain; charset=UTF-8 Cc: "freebsd-net@freebsd.org" X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 11 Feb 2015 03:09:41 -0000 ... you can still use 1 TX/1 RX ring on -HEAD. If we turn on RSS in the driver and have it hardware hash things, then the netisr input routine will throw it into the right per-CPU queue and it'll distribute the work. (Someone could twist my arm to do this.) -adrian