From patchwork Thu Jun 7 09:26:13 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Coquelin X-Patchwork-Id: 40709 X-Patchwork-Delegate: maxime.coquelin@redhat.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id D55641B03C; Thu, 7 Jun 2018 11:26:37 +0200 (CEST) Received: from mx1.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by dpdk.org (Postfix) with ESMTP id 927A41B01F for ; Thu, 7 Jun 2018 11:26:35 +0200 (CEST) Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 2FFCE8AA08; Thu, 7 Jun 2018 09:26:35 +0000 (UTC) Received: from localhost.localdomain (ovpn-112-46.ams2.redhat.com [10.36.112.46]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0737420357CA; Thu, 7 Jun 2018 09:26:33 +0000 (UTC) From: Maxime Coquelin To: zhihong.wang@intel.com, tiwei.bie@intel.com, dev@dpdk.org Cc: Maxime Coquelin Date: Thu, 7 Jun 2018 11:26:13 +0200 Message-Id: <20180607092616.27720-3-maxime.coquelin@redhat.com> In-Reply-To: <20180607092616.27720-1-maxime.coquelin@redhat.com> References: <20180607092616.27720-1-maxime.coquelin@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.2]); Thu, 07 Jun 2018 09:26:35 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.2]); Thu, 07 Jun 2018 09:26:35 +0000 (UTC) for IP:'10.11.54.6' DOMAIN:'int-mx06.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'maxime.coquelin@redhat.com' RCPT:'' Subject: [dpdk-dev] [PATCH v3 2/5] net/virtio: use simple path for Tx even if Rx mergeable X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Having Rx mergeable buffers feature enabled should not be a reason to not use Tx simple path. Signed-off-by: Maxime Coquelin Reviewed-by: Tiwei Bie --- drivers/net/virtio/virtio_ethdev.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c index 052dd056a..c6087d9b1 100644 --- a/drivers/net/virtio/virtio_ethdev.c +++ b/drivers/net/virtio/virtio_ethdev.c @@ -1948,10 +1948,8 @@ virtio_dev_configure(struct rte_eth_dev *dev) hw->use_simple_tx = 0; } #endif - if (vtpci_with_feature(hw, VIRTIO_NET_F_MRG_RXBUF)) { + if (vtpci_with_feature(hw, VIRTIO_NET_F_MRG_RXBUF)) hw->use_simple_rx = 0; - hw->use_simple_tx = 0; - } if (rx_offloads & (DEV_RX_OFFLOAD_UDP_CKSUM | DEV_RX_OFFLOAD_TCP_CKSUM))