From patchwork Tue Apr 28 13:02:30 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Ananyev, Konstantin" X-Patchwork-Id: 4479 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 952ECC5D2; Tue, 28 Apr 2015 15:02:37 +0200 (CEST) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id 1D45AC5D0 for ; Tue, 28 Apr 2015 15:02:35 +0200 (CEST) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga102.jf.intel.com with ESMTP; 28 Apr 2015 06:02:34 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.11,663,1422950400"; d="scan'208";a="686844974" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by orsmga001.jf.intel.com with ESMTP; 28 Apr 2015 06:02:33 -0700 Received: from sivswdev02.ir.intel.com (sivswdev02.ir.intel.com [10.237.217.46]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id t3SD2Wl8005621; Tue, 28 Apr 2015 14:02:32 +0100 Received: from sivswdev02.ir.intel.com (localhost [127.0.0.1]) by sivswdev02.ir.intel.com with ESMTP id t3SD2WI0030762; Tue, 28 Apr 2015 14:02:32 +0100 Received: (from kananye1@localhost) by sivswdev02.ir.intel.com with id t3SD2WqI030758; Tue, 28 Apr 2015 14:02:32 +0100 From: Konstantin Ananyev To: dev@dpdk.org Date: Tue, 28 Apr 2015 14:02:30 +0100 Message-Id: <1430226150-30057-1-git-send-email-konstantin.ananyev@intel.com> X-Mailer: git-send-email 1.7.4.1 Subject: [dpdk-dev] [PATCH] test-pmd fix default mbuf size X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Latest mbuf changes (priv_size addition and related fixes) exposed small problem with testpmd default config: testpmd default mbuf size is exaclty 2KB, that causes ixgbe PMD to select scattered RX even for configs with 'normal' max packet length (max_rx_pkt_len == ETHER_MAX_LEN). Signed-off-by: Konstantin Ananyev Acked-by: Olivier Matz --- app/test-pmd/testpmd.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/app/test-pmd/testpmd.h b/app/test-pmd/testpmd.h index 389fc24..037e7ec 100644 --- a/app/test-pmd/testpmd.h +++ b/app/test-pmd/testpmd.h @@ -48,7 +48,8 @@ * Default size of the mbuf data buffer to receive standard 1518-byte * Ethernet frames in a mono-segment memory buffer. */ -#define DEFAULT_MBUF_DATA_SIZE 2048 /**< Default size of mbuf data buffer. */ +#define DEFAULT_MBUF_DATA_SIZE (2048 + RTE_PKTMBUF_HEADROOM) +/**< Default size of mbuf data buffer. */ /* * The maximum number of segments per packet is used when creating