Re: [MPTCP][PATCH net-next 00/16] mptcp: RM_ADDR/ADD_ADDR enhancements

[David Miller]

From: Geliang Tang <geliangtang@xxxxxxxxx>
Date: Thu, 24 Sep 2020 08:29:46 +0800

> This series include two enhancements for the MPTCP path management,
> namely RM_ADDR support and ADD_ADDR echo support, as specified by RFC
> sections 3.4.1 and 3.4.2.
> 
> 1 RM_ADDR support include 9 patches (1-3 and 8-13):
> 
> Patch 1 is the helper for patch 2, these two patches add the RM_ADDR
> outgoing functions, which are derived from ADD_ADDR's corresponding
> functions.
> 
> Patch 3 adds the RM_ADDR incoming logic, when RM_ADDR suboption is
> received, close the subflow matching the rm_id, and update PM counter.
> 
> Patch 8 is the main remove routine. When the PM netlink removes an address,
> we traverse all the existing msk sockets to find the relevant sockets. Then
> trigger the RM_ADDR signal and remove the subflow which using this local
> address, this subflow removing functions has been implemented in patch 9.
> 
> Finally, patches 10-13 are the self-tests for RM_ADDR.
> 
> 2 ADD_ADDR echo support include 7 patches (4-7 and 14-16).
> 
> Patch 4 adds the ADD_ADDR echo logic, when the ADD_ADDR suboption has been
> received, send out the same ADD_ADDR suboption with echo-flag, and no HMAC
> included.
> 
> Patches 5 and 6 are the self-tests for ADD_ADDR echo. Patch 7 is a little
> cleaning up.
> 
> Patch 14 and 15 are the helpers for patch 16. These three patches add
> the ADD_ADDR retransmition when no ADD_ADDR echo is received.

Series applied, thank you.