netdev - [PATCH net-next 0/7] mptcp: Userspace path manager prerequisites

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Date:   Mon,  2 May 2022 13:52:30 -0700
From:   Mat Martineau <mathew.j.martineau@...ux.intel.com>
To:     netdev@...r.kernel.org
Cc:     Mat Martineau <mathew.j.martineau@...ux.intel.com>,
        davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
        matthieu.baerts@...sares.net, mptcp@...ts.linux.dev
Subject: [PATCH net-next 0/7] mptcp: Userspace path manager prerequisites

This series builds upon the path manager mode selection changes merged
in 4994d4fa99ba ("Merge branch 'mptcp-path-manager-mode-selection'") to
further modify the path manager code in preparation for adding the new
netlink commands to announce/remove advertised addresses and
create/destroy subflows of an MPTCP connection. The third and final
patch series for the userspace path manager will implement those
commands as discussed in
https://lore.kernel.org/netdev/23ff3b49-2563-1874-fa35-3af55d3088e7@linux.intel.com/#r

Patches 1, 5, and 7 remove some internal constraints on path managers
(in general) without changing in-kernel PM behavior.

Patch 2 adds a self test to validate MPTCP address advertisement ack
behavior.

Patches 3, 4, and 6 add new attributes to existing MPTCP netlink events
and track internal state for populating those attributes.

Kishen Maloor (6):
  mptcp: bypass in-kernel PM restrictions for non-kernel PMs
  mptcp: store remote id from MP_JOIN SYN/ACK in local ctx
  mptcp: reflect remote port (not 0) in ANNOUNCED events
  mptcp: establish subflows from either end of connection
  mptcp: expose server_side attribute in MPTCP netlink events
  mptcp: allow ADD_ADDR reissuance by userspace PMs

Mat Martineau (1):
  selftests: mptcp: ADD_ADDR echo test with missing userspace daemon

 include/uapi/linux/mptcp.h                    |  1 +
 net/mptcp/options.c                           |  4 +--
 net/mptcp/pm.c                                | 21 ++++++++---
 net/mptcp/pm_netlink.c                        | 36 ++++++++++++++++---
 net/mptcp/protocol.c                          |  5 +--
 net/mptcp/protocol.h                          | 18 +++++++---
 net/mptcp/subflow.c                           |  5 ++-
 .../testing/selftests/net/mptcp/mptcp_join.sh | 11 ++++++
 8 files changed, 81 insertions(+), 20 deletions(-)

base-commit: 0decb97cb105e85be979432bfc17491df7c6d6d1
-- 
2.36.0