On Wed, 29 May 2019 20:17:38 -0700 David Ahern <dsah...@kernel.org> wrote:
> From: David Ahern <dsah...@gmail.com> > > Kernel now requires NLA_F_NESTED to be set on new nested > attributes. Set NLA_F_NESTED in rta_nest. > > Signed-off-by: David Ahern <dsah...@gmail.com> > --- > lib/libnetlink.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/lib/libnetlink.c b/lib/libnetlink.c > index 0d48a3d43cf0..6ae51a9dba14 100644 > --- a/lib/libnetlink.c > +++ b/lib/libnetlink.c > @@ -1336,6 +1336,7 @@ struct rtattr *rta_nest(struct rtattr *rta, int maxlen, > int type) > struct rtattr *nest = RTA_TAIL(rta); > > rta_addattr_l(rta, maxlen, type, NULL, 0); > + nest->rta_type |= NLA_F_NESTED; > > return nest; > } I assume older kernels ignore the attribute? Also, how is this opt-in for running iproute2-next on old kernels?
