OpenCloudOS-Kernel/net/mptcp
Paolo Abeni 01cacb00b3 mptcp: add netlink-based PM
Expose a new netlink family to userspace to control the PM, setting:

 - list of local addresses to be signalled.
 - list of local addresses used to created subflows.
 - maximum number of add_addr option to react

When the msk is fully established, the PM netlink attempts to
announce the 'signal' list via the ADD_ADDR option. Since we
currently lack the ADD_ADDR echo (and related event) only the
first addr is sent.

After exhausting the 'announce' list, the PM tries to create
subflow for each addr in 'local' list, waiting for each
connection to be completed before attempting the next one.

Idea is to add an additional PM hook for ADD_ADDR echo, to allow
the PM netlink announcing multiple addresses, in sequence.

Co-developed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-29 22:14:49 -07:00
..
Kconfig mptcp: select CRYPTO 2020-02-16 19:37:16 -08:00
Makefile mptcp: add netlink-based PM 2020-03-29 22:14:49 -07:00
crypto.c mptcp: Add ADD_ADDR handling 2020-03-29 22:14:48 -07:00
ctrl.c mptcp: new sysctl to control the activation per NS 2020-01-24 13:44:08 +01:00
diag.c mptcp: allow dumping subflow context to userspace 2020-03-29 22:14:48 -07:00
mib.c mptcp: add and use MIB counter infrastructure 2020-03-29 22:14:49 -07:00
mib.h mptcp: add and use MIB counter infrastructure 2020-03-29 22:14:49 -07:00
options.c mptcp: introduce MPTCP retransmission timer 2020-03-29 22:14:48 -07:00
pm.c mptcp: add netlink-based PM 2020-03-29 22:14:49 -07:00
pm_netlink.c mptcp: add netlink-based PM 2020-03-29 22:14:49 -07:00
protocol.c mptcp: add and use MIB counter infrastructure 2020-03-29 22:14:49 -07:00
protocol.h mptcp: add netlink-based PM 2020-03-29 22:14:49 -07:00
subflow.c mptcp: add and use MIB counter infrastructure 2020-03-29 22:14:49 -07:00
token.c mptcp: Add handling of incoming MP_JOIN requests 2020-03-29 22:14:48 -07:00