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 05AF3A04FD for ; Sun, 3 Jul 2022 17:57:44 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 807A540E50; Sun, 3 Jul 2022 17:57:44 +0200 (CEST) Received: from mail-ot1-f49.google.com (mail-ot1-f49.google.com [209.85.210.49]) by mails.dpdk.org (Postfix) with ESMTP id 25E3040685 for ; Sun, 3 Jul 2022 17:57:43 +0200 (CEST) Received: by mail-ot1-f49.google.com with SMTP id cb12-20020a056830618c00b00616b871cef3so5888914otb.5 for ; Sun, 03 Jul 2022 08:57:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:from:date:message-id:subject:to; bh=5Z39GEsBjORwISWaicADLx/WIDAI0mi6e6e1RcsPWMM=; b=Kw6Y3ztvyEkplRnWToT4SYveSvL/C/ijWz/MBbYzxvrNGM0g/1AX8MN+Zaio7+zkFf h21qm4rr5rzUfRPIdUwoJ5stfrKQm8P8XnQqAUrJSfNySA1PAG80hJzcKYzUgwOZ+ufw AnwXqC9aYYaxTURsHOc5Y2RRo/81GAe3eJ0EVunkSroZ13DmCLjvkhDajEK9SCiUlMYf S5Z64/1Nu0SSKAWAH9fKasUAKAYgIbVLp1PQ72r5VZSzkGXJ/pKQVQ21y7QDP5edCA1k uCIeqxUAeNvqS0RCKDeB980aveK2wfUYzG9fhq1pWmq90pg1IJxPNzF072QQ/RSRorGx BGuA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=5Z39GEsBjORwISWaicADLx/WIDAI0mi6e6e1RcsPWMM=; b=Dr5SBcU/m+mJ0NIGAwuSbkVDfMu1Wm3vzkVgwoiSDJ0hw3ABCZ6dO8LfjRujy3xOPY fEyGFHl5LbNITdyhLG5JQlFX7c1mqUpxRBURbGvYjK42mF77hXt68qb8IXQqBrt0tSQV 6igRJl7SVc0VWUb1lC1Sgj+PC048fkF9rlP7V7c5qudPSXSyHTUPGPrWyEW7HwgzJ3jn dz1KdeWLrSU60Js9vIXXKuqwNewTnpezLlWUz4/X5Dc1jpJalhe5/gDEN3xE4lP/zytb KqJm3clRsQllwXp75eLLnllVXLIEuEeewhN3X/NeaalgT6ZtPPf1hBnZPR2yn5r1dcGD 1BXA== X-Gm-Message-State: AJIora93SSgxR7z5y0Bywbue1Kb6MyqxJTIM1/b5XgR5SJagsDicjjFU 02glghdLXkDZGHn9hwb2DN9HJHUT40QQSQvu+BKmyAYhyBo= X-Google-Smtp-Source: AGRyM1t0ihLyCpBHaSdt83/XU4QlvmLD5NlfbDRkgHHq0RDizamnWrtlJkwnAG+Casu4dSHq09K6By8AJ0cjSIU9ku0= X-Received: by 2002:a9d:ba3:0:b0:618:fced:5bd4 with SMTP id 32-20020a9d0ba3000000b00618fced5bd4mr1213979oth.230.1656863862225; Sun, 03 Jul 2022 08:57:42 -0700 (PDT) MIME-Version: 1.0 From: Antonio Di Bacco Date: Sun, 3 Jul 2022 17:57:31 +0200 Message-ID: Subject: rte_eth_tx_burst() always returns 0 in tight loop To: users@dpdk.org 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 I'm trying to send packets continuously in a tight loop with a burst size of 8 and packets are 9600 bytes long. If I don't insert a delay after the rte_eth_tx_burst it always returns 0. What's the explanation of this behaviour ? Best regards, Antonio.