BR_BPDU_GUARD
nla_put_u8(skb, IFLA_BRPORT_GUARD, !!(p->flags & BR_BPDU_GUARD)) ||
br_set_port_flag(p, tb, IFLA_BRPORT_GUARD, BR_BPDU_GUARD);
if (p->flags & BR_BPDU_GUARD) {
BRPORT_ATTR_FLAG(bpdu_guard, BR_BPDU_GUARD);
IFLA_BRPORT_GUARD, BR_BPDU_GUARD) ||