On Sun, Apr 24, 2016 at 4:00 AM, Jiri Benc <jb...@redhat.com> wrote: > The IFLA_GRE_REMOTE attribute does not make sense together with collect > metadata and is ignored in such case. However, iproute2 always sets it; it > will be zero if there's no remote address specified on the command line. > > Remove the check for non-zero IFLA_GRE_REMOTE when collect medata flag is > set. > Rather than cover up in ip_gre kernel module, why not just fix iproute2 to set the attribute correctly?
> Before the patch, this command returns failure, after the patch, it works as > expected: > > ip link add gre1 type gretap external > > Fixes: 2e15ea390e6f4 ("ip_gre: Add support to collect tunnel metadata.") > Signed-off-by: Jiri Benc <jb...@redhat.com> > --- > New in v2. > --- > net/ipv4/ip_gre.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) >