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 9776FA0350; Wed, 6 May 2020 10:55:03 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 79A4D1D658; Wed, 6 May 2020 10:55:03 +0200 (CEST) Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [148.163.129.52]) by dpdk.org (Postfix) with ESMTP id 6EF141D655 for ; Wed, 6 May 2020 10:55:01 +0200 (CEST) Received: from mx1-us1.ppe-hosted.com (unknown [10.7.65.60]) by dispatch1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTP id EEAE160080; Wed, 6 May 2020 08:55:00 +0000 (UTC) Received: from us4-mdac16-41.ut7.mdlocal (unknown [10.7.64.23]) by mx1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTP id ECC132009A; Wed, 6 May 2020 08:55:00 +0000 (UTC) X-Virus-Scanned: Proofpoint Essentials engine Received: from mx1-us1.ppe-hosted.com (unknown [10.7.66.30]) by mx1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTPS id 4E77D1C004F; Wed, 6 May 2020 08:55:00 +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 A9A80100063; Wed, 6 May 2020 08:54:59 +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 09:54:52 +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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SMEX-12.5.0.1300-8.5.1020-25402.001 X-TM-AS-Result: No-8.851900-8.000000-10 X-TMASE-MatchedRID: hls5oAVArl/mLzc6AOD8DfHkpkyUphL9Ud7Bjfo+5jRSasGAkNQYrNlM ASzPGs9Uxp6MsPsM0BTYLqzgafDsrR8owvkAm18tyQVB/S77s2o1TzP60UkdHR9W4auM/sn0D8N n4AIUycjcgnAZ5tRAiDylzZM+awSYgBW2XOqSAYxFd2K6RlAKAWAnS5DC8C5D+S5C/08hWc23ON T0n0JcB4zosrpkY5UKzN4yvJnPc08X/ky8TX34OhIRh9wkXSlFnJDoDmW6FtZy8pTPKbY8OueyW MLRVf2LV5+/E1K+33hwjO3Z7fpiw01+zyfzlN7ygxsfzkNRlfKx5amWK2anSPoLR4+zsDTtQh+A rmEemWUyN9v0+aycRhiGgPqUdKxpdEtEQTLqtaTi/zXDq/5r7096H7zIFfNiOxUqwLldEtOZE0G jYfIQ8fTdVf92dVIBw+jHZqmY7BRR029mOM6P0LrcE8xytxC5d5hZXZFoB8PxWx93BSYyycC+ks T6a9fy X-TM-AS-User-Approved-Sender: Yes X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--8.851900-8.000000 X-TMASE-Version: SMEX-12.5.0.1300-8.5.1020-25402.001 X-MDID: 1588755300-kovAnps3L18r 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 11:51 AM, Wisam Monther wrote: > >> -----Original Message----- >> From: Andrew Rybchenko >> Sent: Wednesday, May 6, 2020 11:48 AM >> To: Wisam Monther ; Ajit Khaparde >> >> Cc: 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 >> >> 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. > Ok, > So we can go with only IP without TCP > This way we can call the support of hash up to L3 only. > Are we ok with this? > I"m OK with IP+TCP as the most common case. >>> 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:: >>>