From: Mat Martineau <mathew.j.martineau(a)linux.intel.com>
Date: Wed,  9 Dec 2020 15:51:17 -0800

> The ADD_ADDR MPTCP option is used to announce available IP addresses
> that a peer may connect to when adding more TCP subflows to an existing
> MPTCP connection. There is an optional port number field in that
> ADD_ADDR header, and this patch set adds capability for that port number
> to be sent and received.
> 
> Patches 1, 2, and 4 refactor existing ADD_ADDR code to simplify implementation
> of port number support.
> 
> Patches 3 and 5 are the main functional changes, for sending and
> receiving the port number in the MPTCP ADD_ADDR option.
> 
> Patch 6 sends the ADD_ADDR option with port number on a bare TCP ACK,
> since the extra length of the option may run in to cases where
> sufficient TCP option space is not available on a data packet.
> 
> Patch 7 plumbs in port number support for the in-kernel MPTCP path
> manager.
> 
> Patches 8-11 add some optional debug output and a little more cleanup
> refactoring.

Series applied, thanks.