From: Xin Long <lucien....@gmail.com> Date: Thu, 26 May 2016 03:14:28 +0800
> For sctp_diag, ss support is not officially available, thus there > are no official users of this yet, so we can add this field in the > middle of sctp_info without breaking user API. This is not what matters. What matters is if a released kernel went out with the existing API.