On Fri, Dec 23, 2022 at 12:38:06PM +0000, Jeremy Sowden wrote: > With addition of MPTCP `IPPROTO_MAX` is greater than 256, so extend the > array to account for the new upper bound. Applied, thanks. I don't expect we will ever see IPPROTO_MPTCP in this path though. To my understanding, this definition is targeted at the setsockopt/getsockopt() use-case. IP headers and the ctnetlink interface also assumes 8-bits protocol numbers.