From owner-freebsd-net@freebsd.org Thu Aug 4 18:15:11 2016 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 18CE4BAE344 for ; Thu, 4 Aug 2016 18:15:11 +0000 (UTC) (envelope-from rysto32@gmail.com) Received: from mail-it0-x234.google.com (mail-it0-x234.google.com [IPv6:2607:f8b0:4001:c0b::234]) (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 D481E15C8 for ; Thu, 4 Aug 2016 18:15:10 +0000 (UTC) (envelope-from rysto32@gmail.com) Received: by mail-it0-x234.google.com with SMTP id x130so2583030ite.1 for ; Thu, 04 Aug 2016 11:15:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=4sj6bEZDURPsVGrsUl9iDp3DeWb2z6fnYLBPCcRbY1E=; b=ARkMJu3YVLKUdTlbEibklE6q46cqEYmdVf2BRK1FsFTHiTZzdagFbFVtCX7XsnroQv Q0w9rnG8fIid/Yp9hR//Xi/dtCJsl9qEXfwaPCa8I11brx7LvbTzUA8iyaUsPo2Norkm uLYrU9BgBe7ijFEazsS3hdXDfkIFt5QqchPHootAT0+ViSaBdZW3dDlv02uNvLQRNmFw rkwGLCOyy/I3fBEcwF4t966Tm8Rogs7Wp6nEltpEpz72Fp1yXqxS/KgPEhL9U7RgxEnV 56hx6XY/6ZRq3OSNa+72en2wSJIqaGtpcAtJl51oIfeVO0G+MZzLhDxnGSGwWWsVGl5R l/mQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=4sj6bEZDURPsVGrsUl9iDp3DeWb2z6fnYLBPCcRbY1E=; b=PaUTyEbgNhH0gZpvycKYsT3eBseGr2FpIbFanl5iBgy4p3MdELfWEU2xgmusR7b0p9 4SZMOUesaasHA649kYaZsftANkx9RdrWWKit33yrxyIgPB66JZXT4yoN8RYmn8jE8GjC z17Z/E9isvvrh16TvfGf+TXDG5t15jxWyH5DxeR3ErNxMpH9cbbBRODWB7ICdf1yEUed s4K64nakCeT3f2TtfHI3djMrZYFpzRD79d7ucnAI6MwS2sbuWyL86c4QmB/v02v6bqNs cr0yLfkUm2vGSsfUNJ3Hyf3sUbGLreDoTt2b0V3XII1S4frrWwJAC2Qg4ryG13RmJueE R7Ug== X-Gm-Message-State: AEkoouu+WGwk6+M85ZetUsxmrp6MFWbGCT3BjpoHZkEZ+Awl9qjsBPaO608Tgu7bm97sIQK8Ik/kjNr6RXtJKA== X-Received: by 10.36.217.9 with SMTP id p9mr9528210itg.46.1470334510231; Thu, 04 Aug 2016 11:15:10 -0700 (PDT) MIME-Version: 1.0 Received: by 10.107.200.71 with HTTP; Thu, 4 Aug 2016 11:15:09 -0700 (PDT) In-Reply-To: References: <3C0D892F-2BE8-4650-B9FC-93C8EE0443E1@gmail.com> <3B164B7B-CBFB-4518-B57D-A96EABB71647@gmail.com> <5D6DF8EA-D9AA-4617-8561-2D7E22A738C3@gmail.com> <06E414D5-9CDA-46D1-A26F-0B07E76FDB34@gmail.com> <0b14bf39-ed71-b9fb-1998-bd9676466df6@selasky.org> From: Ryan Stone Date: Thu, 4 Aug 2016 14:15:09 -0400 Message-ID: Subject: Re: Unstable local network throughput To: Ben RUBSON Cc: freebsd-net Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.22 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 04 Aug 2016 18:15:11 -0000 On Thu, Aug 4, 2016 at 11:33 AM, Ben RUBSON wrote: > But even without RSS, I should be able to go up to 2x40Gbps, don't you > think so ? > Nobody already did this ? > Try this patch, which should improve performance when multiple TCP streams are running in parallel over an mlx4_en port: https://people.freebsd.org/~rstone/patches/mlxen_counters.diff