From patchwork Sun Dec 16 06:35:10 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roopa Prabhu X-Patchwork-Id: 1014044 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=cumulusnetworks.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=cumulusnetworks.com header.i=@cumulusnetworks.com header.b="da824TqB"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 43HZKW73Zzz9s5c for ; Sun, 16 Dec 2018 17:35:27 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730066AbeLPGfV (ORCPT ); Sun, 16 Dec 2018 01:35:21 -0500 Received: from mail-pg1-f195.google.com ([209.85.215.195]:45488 "EHLO mail-pg1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729709AbeLPGfU (ORCPT ); Sun, 16 Dec 2018 01:35:20 -0500 Received: by mail-pg1-f195.google.com with SMTP id y4so4578493pgc.12 for ; Sat, 15 Dec 2018 22:35:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cumulusnetworks.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=3Zh1+z/pfJh8B44crQNO+8UBKfJzmPJ6oswCYW+XN5Q=; b=da824TqBdaDi7SRsH3F4b6YPrzqq6hKMhvdk6ZpFjGqOn+UzgX6ofUKpTviqqIw3OZ w/2fyVNEsMP5ievRNurDwSRigJsmouzohcs2F3J49zzM6DllrWEoCVbW0u7PQsFzrr9F LZIRThIYWQkjkqxpcsD0W/+aRGAEq3PYud+zI= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=3Zh1+z/pfJh8B44crQNO+8UBKfJzmPJ6oswCYW+XN5Q=; b=nY6jQpQqMKhuo3V8H07aRLHr0sUDw/li+NNRqj/UgjO5G7Mw3DivBCX97SgxjYcqMY 9v1VIoRSh7ud29Ut04TeE0MQkmtLB4mPDmZKkzmev3TnYkR7Hfc6DokUw5ZLXfIaxdvQ oUoNgUTXeYmcGKBm7zUHACOoiJ4PaXXllhGuVD+qWNxM0hmnWB+GsMT7rUzhdBv6PkFD /BA2NVQQ0dXMEubeaIVzrhLvqHwQZwqW8BpdbxTqlvLAcQX7JP99jN5w6JN1smZs6JSE UTz2Kv04W+mCbHhKkWv7O9OkIrS0wTzUHGzyHDupiFsx2PXNOIjT+CDVFcPIZ9/VY07T SLLA== X-Gm-Message-State: AA+aEWYa3mA9Li5GJA/Ldzc0hZoma/0wE4pm53K5fodMiEG4Jcf+6IH8 pUfPKDwaGWoMAp0HLrgFdR+u40dkCxc= X-Google-Smtp-Source: AFSGD/VMaOucniJRKS0i6Ffdtw52VCQOuodpWCD8LCB5dlUFwyoZEIicSdbaDH6ZFjZ7897H+wM/fA== X-Received: by 2002:a63:f844:: with SMTP id v4mr5030951pgj.82.1544942119445; Sat, 15 Dec 2018 22:35:19 -0800 (PST) Received: from monster-08.mvlab.cumulusnetworks.com. (fw.cumulusnetworks.com. [216.129.126.126]) by smtp.googlemail.com with ESMTPSA id f67sm13042359pfc.141.2018.12.15.22.35.18 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sat, 15 Dec 2018 22:35:18 -0800 (PST) From: Roopa Prabhu X-Google-Original-From: Roopa Prabhu To: davem@davemloft.net Cc: netdev@vger.kernel.org, nikolay@cumulusnetworks.com, stephen@networkplumber.org, dsa@cumulusnetworks.com, jakub.kicinski@netronome.com Subject: [PATCH net-next v3 3/4] vxlan: support for ndo_fdb_get Date: Sat, 15 Dec 2018 22:35:10 -0800 Message-Id: <1544942111-6478-4-git-send-email-roopa@cumulusnetworks.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1544942111-6478-1-git-send-email-roopa@cumulusnetworks.com> References: <1544942111-6478-1-git-send-email-roopa@cumulusnetworks.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Roopa Prabhu This patch implements ndo_fdb_get for a vxlan device. Signed-off-by: Roopa Prabhu Reviewed-by: David Ahern --- drivers/net/vxlan.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 49d4b58..71c3b7b 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -1152,6 +1152,39 @@ static int vxlan_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, return err; } +static int vxlan_fdb_get(struct sk_buff *skb, + struct nlattr *tb[], + struct net_device *dev, + const unsigned char *addr, + u16 vid, u32 portid, u32 seq, + struct netlink_ext_ack *extack) +{ + struct vxlan_dev *vxlan = netdev_priv(dev); + struct vxlan_fdb *f; + __be32 vni; + int err; + + if (tb[NDA_VNI]) + vni = cpu_to_be32(nla_get_u32(tb[NDA_VNI])); + else + vni = vxlan->default_dst.remote_vni; + + rcu_read_lock(); + + f = __vxlan_find_mac(vxlan, addr, vni); + if (!f) { + NL_SET_ERR_MSG(extack, "Fdb entry not found"); + err = -ENOENT; + goto errout; + } + + err = vxlan_fdb_info(skb, vxlan, f, portid, seq, + RTM_NEWNEIGH, 0, first_remote_rcu(f)); +errout: + rcu_read_unlock(); + return err; +} + /* Watch incoming packets to learn mapping between Ethernet address * and Tunnel endpoint. * Return true if packet is bogus and should be dropped. @@ -2805,6 +2838,7 @@ static const struct net_device_ops vxlan_netdev_ether_ops = { .ndo_fdb_add = vxlan_fdb_add, .ndo_fdb_del = vxlan_fdb_delete, .ndo_fdb_dump = vxlan_fdb_dump, + .ndo_fdb_get = vxlan_fdb_get, .ndo_fill_metadata_dst = vxlan_fill_metadata_dst, };