From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: Re: [PATCH iproute2] iplink_vxlan: take into account preferred_family creating vxlan device Date: Tue, 25 Sep 2018 10:12:50 +0200 Message-ID: <20180925101250.47992dec@shemminger-XPS-13-9360> References: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: Lorenzo Bianconi Return-path: Received: from mail-ed1-f65.google.com ([209.85.208.65]:36726 "EHLO mail-ed1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726030AbeIYOTP (ORCPT ); Tue, 25 Sep 2018 10:19:15 -0400 Received: by mail-ed1-f65.google.com with SMTP id f4-v6so18561549edq.3 for ; Tue, 25 Sep 2018 01:12:54 -0700 (PDT) In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: On Fri, 21 Sep 2018 15:34:25 +0200 Lorenzo Bianconi wrote: > Take into account the configured preferred_family if neither saddr or > daddr are provided since otherwise vxlan kernel module will use IPv4 as > default remote inet family neglecting the one provided by userspace. > This behaviour was originally in commit 97d564b90ccb ("vxlan: use > preferred address family when neither group or remote is specified"). > The issue can be triggered with the following reproducer: > > $ip -6 link add vxlan1 type vxlan id 42 dev enp0s2 \ > proxy nolearning l2miss l3miss > $bridge fdb add 46:47:1f:a7:1c:25 dev vxlan1 dst 2000::2 > RTNETLINK answers: Address family not supported by protocol > > Fixes: 1e9b8072de2c ("iplink_vxlan: Get rid of inet_get_addr()") > Signed-off-by: Lorenzo Bianconi Applied, thanks.