From patchwork Mon Jan 20 15:08:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eli Britstein X-Patchwork-Id: 1226013 X-Patchwork-Delegate: i.maximets@samsung.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=openvswitch.org (client-ip=140.211.166.133; helo=hemlock.osuosl.org; envelope-from=ovs-dev-bounces@openvswitch.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=mellanox.com Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 481Znd5Lz6z9sRk for ; Tue, 21 Jan 2020 02:09:09 +1100 (AEDT) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id 2B3D4878D1; Mon, 20 Jan 2020 15:09:08 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 7v4HE6h-z7p0; Mon, 20 Jan 2020 15:09:03 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by hemlock.osuosl.org (Postfix) with ESMTP id 4D8A387699; Mon, 20 Jan 2020 15:08:54 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 2B0BCC1D88; Mon, 20 Jan 2020 15:08:54 +0000 (UTC) X-Original-To: dev@openvswitch.org Delivered-To: ovs-dev@lists.linuxfoundation.org Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by lists.linuxfoundation.org (Postfix) with ESMTP id 9FAC2C0176 for ; Mon, 20 Jan 2020 15:08:52 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id 883428583C for ; Mon, 20 Jan 2020 15:08:52 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id sMF5cJRa3A0T for ; Mon, 20 Jan 2020 15:08:50 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mellanox.co.il (mail-il-dmz.mellanox.com [193.47.165.129]) by whitealder.osuosl.org (Postfix) with ESMTP id 11B51856CB for ; Mon, 20 Jan 2020 15:08:49 +0000 (UTC) Received: from Internal Mail-Server by MTLPINE1 (envelope-from elibr@mellanox.com) with ESMTPS (AES256-SHA encrypted); 20 Jan 2020 17:08:44 +0200 Received: from dev-r-vrt-215.mtr.labs.mlnx. (dev-r-vrt-215.mtr.labs.mlnx [10.212.215.1]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id 00KF8hUr013116; Mon, 20 Jan 2020 17:08:43 +0200 From: Eli Britstein To: dev@openvswitch.org, Ilya Maximets Date: Mon, 20 Jan 2020 15:08:08 +0000 Message-Id: <20200120150830.16262-4-elibr@mellanox.com> X-Mailer: git-send-email 2.14.5 In-Reply-To: <20200120150830.16262-1-elibr@mellanox.com> References: <20200120150830.16262-1-elibr@mellanox.com> Cc: Simon Horman , Eli Britstein , Ameer Mahagneh Subject: [ovs-dev] [PATCH 03/25] netdev-offload: Allow offloading to netdev without ifindex. X-BeenThere: ovs-dev@openvswitch.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: ovs-dev-bounces@openvswitch.org Sender: "dev" From: Ilya Maximets Virtual interfaces like vports or dpdk vhost-user ports has no proper ifindex, but could support some kind of offloading. This is a prerequisite for tunneling vport offloading with DPDK flow API. Signed-off-by: Ilya Maximets Acked-by: Eli Britstein Acked-by: Roni Bar Yanai Acked-by: Ophir Munk Signed-off-by: Eli Britstein --- lib/netdev-offload.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) diff --git a/lib/netdev-offload.c b/lib/netdev-offload.c index 82b163e8e..1612fe6b8 100644 --- a/lib/netdev-offload.c +++ b/lib/netdev-offload.c @@ -537,10 +537,6 @@ netdev_ports_insert(struct netdev *netdev, const char *dpif_type, struct port_to_netdev_data *data; int ifindex = netdev_get_ifindex(netdev); - if (ifindex < 0) { - return ENODEV; - } - ovs_rwlock_wrlock(&netdev_hmap_rwlock); if (netdev_ports_lookup(dpif_port->port_no, dpif_type)) { ovs_rwlock_unlock(&netdev_hmap_rwlock); @@ -550,13 +546,18 @@ netdev_ports_insert(struct netdev *netdev, const char *dpif_type, data = xzalloc(sizeof *data); data->netdev = netdev_ref(netdev); dpif_port_clone(&data->dpif_port, dpif_port); - data->ifindex = ifindex; + + if (ifindex >= 0) { + data->ifindex = ifindex; + hmap_insert(&ifindex_to_port, &data->ifindex_node, ifindex); + } else { + data->ifindex = -1; + } netdev_set_dpif_type(netdev, dpif_type); hmap_insert(&port_to_netdev, &data->portno_node, netdev_ports_hash(dpif_port->port_no, dpif_type)); - hmap_insert(&ifindex_to_port, &data->ifindex_node, ifindex); ovs_rwlock_unlock(&netdev_hmap_rwlock); netdev_init_flow_api(netdev); @@ -592,7 +593,9 @@ netdev_ports_remove(odp_port_t port_no, const char *dpif_type) dpif_port_destroy(&data->dpif_port); netdev_close(data->netdev); /* unref and possibly close */ hmap_remove(&port_to_netdev, &data->portno_node); - hmap_remove(&ifindex_to_port, &data->ifindex_node); + if (data->ifindex >= 0) { + hmap_remove(&ifindex_to_port, &data->ifindex_node); + } free(data); ret = 0; }