From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id D589530D for ; Thu, 5 Jun 2014 07:11:09 +0200 (CEST) Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP; 04 Jun 2014 22:11:23 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.98,978,1392192000"; d="scan'208";a="542721075" Received: from shilc102.sh.intel.com ([10.239.39.44]) by fmsmga001.fm.intel.com with ESMTP; 04 Jun 2014 22:11:22 -0700 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shilc102.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP id s555BHrZ025132; Thu, 5 Jun 2014 13:11:19 +0800 Received: from shecgisg004.sh.intel.com (localhost [127.0.0.1]) by shecgisg004.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP id s555BDv8023944; Thu, 5 Jun 2014 13:11:16 +0800 Received: (from hzhan75@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id s555BDoT023940; Thu, 5 Jun 2014 13:11:13 +0800 From: Helin Zhang To: dev@dpdk.org Date: Thu, 5 Jun 2014 13:08:51 +0800 Message-Id: <1401944951-23783-8-git-send-email-helin.zhang@intel.com> X-Mailer: git-send-email 1.7.0.7 In-Reply-To: <1401944951-23783-1-git-send-email-helin.zhang@intel.com> References: <1401944951-23783-1-git-send-email-helin.zhang@intel.com> Subject: [dpdk-dev] [PATCH v2 07/27] ethdev: support setting maximum packet length to less than 1518 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: , X-List-Received-Date: Thu, 05 Jun 2014 05:11:10 -0000 In ethdev, it ignores setting maximum packet length to less than 1518. The changes is to remove this limitation and let less than 1518 can be set for 'maximum packet length'. Signed-off-by: Helin Zhang Signed-off-by: Jing Chen Acked-by: Cunming Liang Acked-by: Jijiang Liu Acked-by: Jingjing Wu Tested-by: Waterman Cao --- lib/librte_ether/rte_ethdev.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c index 53cb7a9..1791ed7 100644 --- a/lib/librte_ether/rte_ethdev.c +++ b/lib/librte_ether/rte_ethdev.c @@ -657,9 +657,13 @@ rte_eth_dev_configure(uint8_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q, (unsigned)ETHER_MIN_LEN); return (-EINVAL); } - } else - /* Use default value */ - dev->data->dev_conf.rxmode.max_rx_pkt_len = ETHER_MAX_LEN; + } else { + if (dev_conf->rxmode.max_rx_pkt_len < ETHER_MIN_LEN || + dev_conf->rxmode.max_rx_pkt_len > ETHER_MAX_LEN) + /* Use default value */ + dev->data->dev_conf.rxmode.max_rx_pkt_len = + ETHER_MAX_LEN; + } /* multipe queue mode checking */ diag = rte_eth_dev_check_mq_mode(port_id, nb_rx_q, nb_tx_q, dev_conf); -- 1.8.1.4