From: Tom Parkin <tpar...@katalix.com> Date: Mon, 28 Sep 2020 13:46:34 +0100
> --- a/include/uapi/linux/l2tp.h > +++ b/include/uapi/linux/l2tp.h > @@ -143,6 +143,7 @@ enum { > L2TP_ATTR_RX_SEQ_DISCARDS, /* u64 */ > L2TP_ATTR_RX_OOS_PACKETS, /* u64 */ > L2TP_ATTR_RX_ERRORS, /* u64 */ > + L2TP_ATTR_RX_COOKIE_DISCARDS, /* u64 */ > L2TP_ATTR_STATS_PAD, > __L2TP_ATTR_STATS_MAX, > }; You can't change the value of the L2TP_ATTR_STATS_PAD attribute. Instead you must add new values strictly right before the __L2TP_ATTR_STATS_MAX.