This is a limitation clearly listed in the specification. Now that we have device types,let's ensure that only FFDs can become PAN coordinators. Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx> --- net/ieee802154/nl802154.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c index 638bf544f102..0c6fc3385320 100644 --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -924,6 +924,9 @@ static int nl802154_new_interface(struct sk_buff *skb, struct genl_info *info) return -EINVAL; } + if (type == NL802154_IFTYPE_COORD && !cfg802154_is_ffd(rdev)) + return -EINVAL; + if (info->attrs[NL802154_ATTR_EXTENDED_ADDR]) extended_addr = nla_get_le64(info->attrs[NL802154_ATTR_EXTENDED_ADDR]); -- 2.34.1