From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 8EB59A050A for ; Thu, 14 Apr 2022 04:28:45 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 0B64E40689; Thu, 14 Apr 2022 04:28:45 +0200 (CEST) Received: from mail-pl1-f175.google.com (mail-pl1-f175.google.com [209.85.214.175]) by mails.dpdk.org (Postfix) with ESMTP id E5A3640687 for ; Thu, 14 Apr 2022 04:28:43 +0200 (CEST) Received: by mail-pl1-f175.google.com with SMTP id n18so3538001plg.5 for ; Wed, 13 Apr 2022 19:28:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=g4obHmgrJUHycjfvmGGUAGwnEN3fsrhzmuXs8Xn545c=; b=oGOOWLYMGUSbI3TUxnQ0WyPnpZzrddvCS6gSKd/xkuyQLfRKRMvRfjMvGZ6xcaYGSk kuuPPHMVcENexQwnLtlcsqKzrRu1y+1H6InJN1AGUzARUp+zjN5C2jR0jWnlZdUy7XvN Lu10j7SSpiuKQb0xaVmBboFK6PemWBtqt50sXTO3oD5e5H04hZeAIlq9s6s4B49qa1UK jjNoQ5TLBy4wagFyesNrysDfiXzOkVDeJIallCtLII5CruNRfbvppGVXhVCMr6jWxEXc Q5y8Mjid0LGT0FlOrlGuyFq5Su+hjQ5sM/PQo+Vu6XVYOzCyYhyTCGpUoXIddDZ6QImr I3DA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=g4obHmgrJUHycjfvmGGUAGwnEN3fsrhzmuXs8Xn545c=; b=1UDzt5Ei/RybmIrT5+NV3AkA14urziSgg4dCCUpHGSORfcuxM52tNpFvNtJmZaE6aU FKOl94n7W0Yg6SKaSAR2GRHNe8Rb66qNCm7tusnl67m0xRXX5qLQV+HvjRiffM/RkEpr AX+BZMkdAcZt/zobZCbX4H5o+GOahvo5VD4KgY8kjQXTGHPl9NIOPKisHtJoEgC+hf7B +LKTu63orI55jxCePB/qrVDF4yuH6K52muibBoUfxb8mDd7+njE5T8P+5TalpxyYSL69 86S320Wv0IiND9tPLzgKQ4sOHjOjIdLWXysji0zcxxQc1T+QRSiLdraQDmSFWhS0vP5m VONg== X-Gm-Message-State: AOAM531ftahURkw244DQdtTgKXrx1nLPlFPk3QuYM7WTAPpwVKr3E3+b V+Eh9jnJXumkdx7QN6YhIRL2VdyEwMf1v5H5QxwbwO2kj9c= X-Google-Smtp-Source: ABdhPJxg3J99s9dSEgr5yC7ixiVhpN+3sjGARsF4BvKERwecgg0HhRtOCpqGVgfL0UwM3Wc7/U/glUoqhGm1wGrvB10= X-Received: by 2002:a17:903:18e:b0:158:7255:4c12 with SMTP id z14-20020a170903018e00b0015872554c12mr15813709plg.123.1649903323088; Wed, 13 Apr 2022 19:28:43 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Harold Huang Date: Thu, 14 Apr 2022 10:28:30 +0800 Message-ID: Subject: Re: Question about vf rss of dpdk ixgbevf driver To: Xiongwei Song Cc: users@dpdk.org, Stephen Hemminger Content-Type: text/plain; charset="UTF-8" X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: users-bounces@dpdk.org On Thu, Apr 14, 2022 at 8:46 AM Xiongwei Song wrote: > > Hi Experts, > > I am a dpdk beginner. I am investigating how to use vf rss with Linux ixgbe > and dpdk ixgbevf. > > I saw the description on Intel 82599 from > https://doc.dpdk.org/guides/nics/intel_vf.html: > "The current implementation of the DPDK ixgbevf driver supports a single > queue pair (RX/TX) per Virtual Function." > Does it mean the DPDK ixgbevf driver doesn't support vf rss? I'm using > dpdk-16.11. > > I would appreciate your help. > > Regards, > Xiongwei Do you use fdir to match and send specific flow to vf? It seems that vf rss hash is not supported in 82599 nic. I have also met the same problem and finally I have to disable RSS hash in the vf driver in a tricky way. See this thread below: https://mails.dpdk.org/archives/users/2022-March/006261.html -- Thanks, Harold.