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 16EE5A04DD for ; Tue, 26 Nov 2019 19:26:32 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 6955A2B96; Tue, 26 Nov 2019 19:26:31 +0100 (CET) Received: from mail-wm1-f41.google.com (mail-wm1-f41.google.com [209.85.128.41]) by dpdk.org (Postfix) with ESMTP id 7837D28EE for ; Tue, 26 Nov 2019 19:26:30 +0100 (CET) Received: by mail-wm1-f41.google.com with SMTP id b11so4280029wmb.5 for ; Tue, 26 Nov 2019 10:26:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=w8jdiWePpy7F8KZlDwrT+pxx5S0SiDiKwjUIdKGnI68=; b=Nn8Tgd+Vl7s4a4bBUXiJHLoAdTTQcvMqpQoOafl7SBSh+r+E4Ao+zeWNdOszRpzXmL cHObwiVm9nPNRPe9MmPwVQgPtYQJfJQ0koc/nrEoksWdZRA1OnvW8sX+QSs3NURhJ2kn yVfwHXVKmqEmZ2bQF17R7QjmkK6/MPSCb6KScnFJ0BfYUg0FWGZZIXLxi3/kbG/1yc1O dC9mzXzy2djDamgqbvoVil+LJMI2LHeKtbFy+zaTE8DyoE/dbE2lGOVB/LF7XY5h7ytP gf3PiGM6JTbbkgI1xCys3p6luBWkZtb8OcIKi0bNHvInpCly2A+7k2TVLKdbAiPd54a8 /1NA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=w8jdiWePpy7F8KZlDwrT+pxx5S0SiDiKwjUIdKGnI68=; b=f+Hugum4p54gjY1axZh/gopoBjmSz+S4vNY/bkEzcOGT3hSwaN5gR6S24naZsQ0SkR 5CixdUeVNOzykr4JQfX8/6L/L2jrirh//LqszX0OptHWmQYhjpeUEEuBuAHqAuxFmNM0 fHt/LfKD5R3yDrTWyU3IMsCospsZ7M4pW8sKLkxup4TWjiGXGfVu7T5WCnGFQAlKg7PQ VMTlD1MgkgtDVump6jB9LXED2mw3dYbS0ouJ0FnQnePGPhowzrmWlUT0sCElcrIup2+5 n3QgvBCcZTSbfTTXVFlSJi4ov7apYwlrYo9txJkB+cyhB7/vRWqbx458A/upS+My2mVp bRQw== X-Gm-Message-State: APjAAAWMoTLAvChdORgtq6EoYmCnBQBhtI69ZsYsYw/eEXFQVnc1paQr GpB4En7jo+wJvaXKH6xpCOoPs416Qjk2o4xKjfU= X-Google-Smtp-Source: APXvYqzwnSMje8WPLq2Fv/aTwlvL8Ci99gLu/Ys+0eDgRqQK9cnjqdFU+RSP9b5qbsj/xxIoKMkaarJEOONCohz8wqg= X-Received: by 2002:a7b:cc86:: with SMTP id p6mr441428wma.116.1574792790043; Tue, 26 Nov 2019 10:26:30 -0800 (PST) MIME-Version: 1.0 References: <75207a27.db79.16ea6d39daf.Coremail.sunnysunny128@163.com> In-Reply-To: <75207a27.db79.16ea6d39daf.Coremail.sunnysunny128@163.com> From: Jun Gan Date: Tue, 26 Nov 2019 10:26:18 -0800 Message-ID: To: Sunyi LIu Cc: users@dpdk.org Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: Re: [dpdk-users] Can anyone offer some ideas on using XL710 NIC for tx pkts X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: users-bounces@dpdk.org Sender: "users" Have you ever tried to wait a while after initialization before sending the packet? I had an issue that it needs as long as ~30 seconds before sending out packet correctly. Don't know why yet. On Tue, Nov 26, 2019 at 12:28 AM Sunyi LIu wrote: > hi , > I'm using XL710 with i40e driver , receiveing packets works well but > sending packets fails. I pick rte_eth_tx_burst api for sending some > packets , rte_eth_tx_burst returns with successful sending count ,but there > is actually no packets sending out from the NIC (captured nothig and no tx > counters). The same thing can be successful using 82599 NIC but it will > fail using I40E . Is there any thing special I need for sending packets by > XL710? > My environment is as : > CentOS7.2 > DPDK 18.11 > XL710 for 40GbE QSFP+ rev 02 NIC > Thanks . > BR > sunny -- Jun Gan