From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id C6A08A0350; Wed, 6 May 2020 10:48:44 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 36AE41D644; Wed, 6 May 2020 10:48:44 +0200 (CEST) Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [67.231.154.164]) by dpdk.org (Postfix) with ESMTP id 473F31D641 for ; Wed, 6 May 2020 10:48:43 +0200 (CEST) Received: from mx1-us1.ppe-hosted.com (unknown [10.110.50.144]) by dispatch1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTP id 9A56020053; Wed, 6 May 2020 08:48:42 +0000 (UTC) Received: from us4-mdac16-27.at1.mdlocal (unknown [10.110.49.209]) by mx1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTP id 98E78800A4; Wed, 6 May 2020 08:48:42 +0000 (UTC) X-Virus-Scanned: Proofpoint Essentials engine Received: from mx1-us1.ppe-hosted.com (unknown [10.110.49.103]) by mx1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTPS id 2683A4006F; Wed, 6 May 2020 08:48:42 +0000 (UTC) Received: from webmail.solarflare.com (uk.solarflare.com [193.34.186.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mx1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTPS id B156E980067; Wed, 6 May 2020 08:48:41 +0000 (UTC) Received: from [192.168.38.17] (10.17.10.39) by ukex01.SolarFlarecom.com (10.17.10.4) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 6 May 2020 09:48:35 +0100 To: Wisam Monther , Ajit Khaparde CC: dpdk-dev , Jack Min , Thomas Monjalon , Jerin Jacob , "gerlitz.or@gmail.com" , "l.yan@epfl.ch" References: <20200430093249.6772-2-wisamm@mellanox.com> <20200430103341.1845-1-wisamm@mellanox.com> <20200430103341.1845-2-wisamm@mellanox.com> From: Andrew Rybchenko Autocrypt: addr=arybchenko@solarflare.com; keydata= mQINBF2681gBEACbdTxu8eLL3UX2oAelsnK9GkeaJeUYSOHPJQpV7RL/iaIskqTwBRnhjXt7 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No-8.889200-8.000000-10 X-TMASE-MatchedRID: L8tZF6zWW2rmLzc6AOD8DfHkpkyUphL9ui/Hcpfcv4Q52X8YwVUEW8Ns x6mgbAHnBzhuRQxb/w1uF8rJLSjyZjqTwPAovW0E9TCJfXmXS2/KhROoEXUTm07luHtaajINweQ yrslvKN+w6C/crbkfaeGzuM+q61stJJYl9Vw2+/LJBUH9Lvuzao2GA9V1Y1MCYdHWCsGFCe3QGF lKOB0iJHjYyypMETHjX5ucrpV260VZn5gzZLkRYN+G9ND+fWcZ3yH4TlR596+bKItl61J/ycnjL TA/UDoAoTCA5Efyn8CNo+PRbWqfRK6NVEWSRWybHsNOUTFQjSgDXD2iypPHBHjMjB/I//1AZuK4 dkKf5DOuk//I95hpBL1ZnTCyEoeu+DE1GekTRnAYRm+41YLqAzBwOpke4ss5hXICXPkDTMLvGya LyWJvBWLqcdF40kDywzhVZiqhieGz597RaJ+lCg== X-TM-AS-User-Approved-Sender: Yes X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--8.889200-8.000000 X-TMASE-Version: SMEX-12.5.0.1300-8.5.1020-25402.001 X-MDID: 1588754922-bTLl1TtCmGbv Subject: Re: [dpdk-dev] [PATCH v4 1/5] app/test-flow-perf: add flow performance skeleton X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 5/6/20 10:32 AM, Wisam Monther wrote: > I agree, since this is a test application, > We can have L4 UDP/TCP rss configuration, since all > Flows/traffic are allowed here and there is nothing to be common here. UDP RSS is less common and could simply be unsupported. So, it will be harder to use the tool for corresponding NICs. > From: Ajit Khaparde > Sent: Wednesday, May 6, 2020 5:50 AM > To: Andrew Rybchenko > Cc: Wisam Monther ; dpdk-dev ; Jack Min ; Thomas Monjalon ; Jerin Jacob ; gerlitz.or@gmail.com; l.yan@epfl.ch > Subject: Re: [dpdk-dev] [PATCH v4 1/5] app/test-flow-perf: add flow performance skeleton > > > > ::snip:: > > >> + }, >> + .rx_adv_conf = { >> + .rss_conf.rss_hf = >> + ETH_RSS_IP | >> + ETH_RSS_UDP | > May be it is better to remove ETH_RSS_UDP by default, > since it is less common that RSS for TCP because of > possible fragmentation and packets from the same > stream delivered to different CPU cores. > If we want to enable RSS on L4 headers, then UDP and TCP should be fine. > Its an example app anyway? > Otherwise we can just stick with L3 hash like some of the other examples. > ::snip:: >