On Mon, 30 Nov 2020, Geliang Tang wrote:

> This patch created a listening socket when an address with a port-number
> is added by PM netlink. Then binded the new port to the socket, and
> listened for the connection.
>
> Signed-off-by: Geliang Tang <geliangtang(a)gmail.com>
> ---
> net/mptcp/pm_netlink.c | 58 ++++++++++++++++++++++++++++++++++++++++++
> net/mptcp/protocol.c   |  2 +-
> net/mptcp/protocol.h   |  3 +++
> net/mptcp/subflow.c    |  4 +--
> 4 files changed, 64 insertions(+), 3 deletions(-)
>

Another thing I don't think we discussed yet with this "extra listening 
socket" approach: what do we do about socket options?

Are there any options we should be concerned about on this listening 
socket? Should SO_REUSEADDR be set by default?

--
Mat Martineau
Intel