From patchwork Thu Oct 5 15:52:02 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Fischetti, Antonio" X-Patchwork-Id: 821905 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=openvswitch.org (client-ip=140.211.169.12; helo=mail.linuxfoundation.org; envelope-from=ovs-dev-bounces@openvswitch.org; receiver=) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3y7HNS51Hrz9t2m for ; Fri, 6 Oct 2017 02:52:56 +1100 (AEDT) Received: from mail.linux-foundation.org (localhost [127.0.0.1]) by mail.linuxfoundation.org (Postfix) with ESMTP id 69AD7AE1; Thu, 5 Oct 2017 15:52:15 +0000 (UTC) X-Original-To: dev@openvswitch.org Delivered-To: ovs-dev@mail.linuxfoundation.org Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 1DF12AB8 for ; Thu, 5 Oct 2017 15:52:13 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 74BAD3F9 for ; Thu, 5 Oct 2017 15:52:12 +0000 (UTC) Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga105.jf.intel.com with ESMTP; 05 Oct 2017 08:52:12 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.42,481,1500966000"; d="scan'208";a="159805844" Received: from sivswdev01.ir.intel.com (HELO localhost.localdomain) ([10.237.217.45]) by fmsmga006.fm.intel.com with ESMTP; 05 Oct 2017 08:52:10 -0700 From: antonio.fischetti@intel.com To: dev@openvswitch.org Date: Thu, 5 Oct 2017 16:52:02 +0100 Message-Id: <1507218725-2355-2-git-send-email-antonio.fischetti@intel.com> X-Mailer: git-send-email 1.7.0.7 In-Reply-To: <1507218725-2355-1-git-send-email-antonio.fischetti@intel.com> References: <1507218725-2355-1-git-send-email-antonio.fischetti@intel.com> X-Spam-Status: No, score=-2.3 required=5.0 tests=RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD autolearn=disabled version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.linux-foundation.org Subject: [ovs-dev] [PATCH v3 2/5] netdev-dpdk: skip init for existing mempools. X-BeenThere: ovs-dev@openvswitch.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: ovs-dev-bounces@openvswitch.org Errors-To: ovs-dev-bounces@openvswitch.org Skip initialization of mempool packet areas if this was already done in a previous call to dpdk_mp_create. CC: Ciara Loftus CC: Kevin Traynor CC: Aaron Conole Signed-off-by: Antonio Fischetti --- lib/netdev-dpdk.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/lib/netdev-dpdk.c b/lib/netdev-dpdk.c index 80a6ff3..6a7cae4 100644 --- a/lib/netdev-dpdk.c +++ b/lib/netdev-dpdk.c @@ -548,6 +548,11 @@ dpdk_mp_create(struct netdev_dpdk *dev, int mtu, bool *mp_exists) if (dmp->mp) { VLOG_DBG("Allocated \"%s\" mempool with %u mbufs", mp_name, dmp->mp_size); + /* rte_pktmbuf_pool_create has done some initialization of the + * rte_mbuf part of each dp_packet. Some OvS specific fields + * of the packet still need to be initialized by + * ovs_rte_pktmbuf_init. */ + rte_mempool_obj_iter(dmp->mp, ovs_rte_pktmbuf_init, NULL); } else if (rte_errno == EEXIST) { /* A mempool with the same name already exists. We just * retrieve its pointer to be returned to the caller. */ @@ -564,11 +569,6 @@ dpdk_mp_create(struct netdev_dpdk *dev, int mtu, bool *mp_exists) } free(mp_name); if (dmp->mp) { - /* rte_pktmbuf_pool_create has done some initialization of the - * rte_mbuf part of each dp_packet, while ovs_rte_pktmbuf_init - * initializes some OVS specific fields of dp_packet. - */ - rte_mempool_obj_iter(dmp->mp, ovs_rte_pktmbuf_init, NULL); return dmp; } } while (!(*mp_exists) &&