From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-yk0-f174.google.com (mail-yk0-f174.google.com [209.85.160.174]) by dpdk.org (Postfix) with ESMTP id A77D38E92 for ; Tue, 29 Dec 2015 09:15:00 +0100 (CET) Received: by mail-yk0-f174.google.com with SMTP id a85so46546208ykb.1 for ; Tue, 29 Dec 2015 00:15:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=zGpwppXll7nww9YLsKVs+Je7N7LvKleL6ZxEk3e+CMI=; b=ZuzikzOp3Id4Oee+X/rFApMy+SKQ5PtgodrWR1InLVq9IV0hiACybDfkebFL3ND/T1 9XVePxMUy1RuQHgv2ZzTuL4ZUhk9SqYVehbesZkN7kxXATUP+eNkg1wkqozrgOgrrLG1 oK41kxtUb4yPIC8feXj/y0cevEUc994Msj6z7DxDjtwTwF+wxR/Q+M8vKzdTOnyxIvX0 10nvVg/ua0ktXpzxMCffUIvpP7d19OZ9NU18TdjWRMkRDipbXI+pPjI/JVTGB6oXGwki rj5u/pSkS/QH8t/RZCskqEsUZtwhn9NE+NXopd7OFTCmdcrAeOHtBsVSEvzkjcLWlXjv 6b7Q== MIME-Version: 1.0 X-Received: by 10.129.134.129 with SMTP id w123mr49439835ywf.232.1451376900178; Tue, 29 Dec 2015 00:15:00 -0800 (PST) Received: by 10.37.224.82 with HTTP; Tue, 29 Dec 2015 00:15:00 -0800 (PST) In-Reply-To: <1451251056.1893.4.camel@gmail.com> References: <1451251056.1893.4.camel@gmail.com> Date: Tue, 29 Dec 2015 11:15:00 +0300 Message-ID: From: Alexander Belyakov To: Chas Williams <3chas3@gmail.com> Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Cc: "dev@dpdk.org" Subject: Re: [dpdk-dev] bnx2x pmd performance expectations X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 29 Dec 2015 08:15:01 -0000 Thank you for pointing this out. While it seems to me problem here is RX, I will also look into TX burst limitations. -a On 28 December 2015 at 00:17, Chas Williams <3chas3@gmail.com> wrote: > I wouldn't consider myself an expert on this driver but while looking > at some other things, I have noted that RTE_PMD_BNX2X_TX_MAX_BURST is > defined to be 1. This bursts single packets to bnx2x_tx_encap() but it > looks like bnx2x_tx_encap() is far more capable than that. > > On Tue, 2015-12-22 at 14:52 +0300, Alexander Belyakov wrote: > > Hi, > > > > just tried to forward a lot of tiny packets with testpmd (dpdk-2.2.0) > > running on Broadcom Corporation NetXtreme II BCM57810S 10 Gigabit > > Ethernet > > (rev 10) adapter. I see forwarding performance of 2.6Mpps instead of > > expected 14.8Mpps. What should be done to achieve better results? > > > > Thank you, > > Alexander Belyakov >