netdev - [PATCH net-next 0/6] mptcp: Connection-time 'C' flag and two fixes

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Message-Id: <20210622192523.90117-1-mathew.j.martineau@linux.intel.com>
Date:   Tue, 22 Jun 2021 12:25:17 -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, matthieu.baerts@...sares.net,
        mptcp@...ts.linux.dev
Subject: [PATCH net-next 0/6] mptcp: Connection-time 'C' flag and two fixes

Here are six more patches from the MPTCP tree.

Most of them add support for the 'C' flag in the MPTCP connection-time
option headers. This flag affects how the initial address and port are
treated by each peer. Normally one peer may send MP_JOIN requests to the
remote address and port that were used when initiating the MPTCP
connection. The 'C' bit indicates that MP_JOINs should only be sent to
remote addresses that have been advertised with ADD_ADDR.

The other two patches are unrelated improvements.

Patches 1-4: Add the 'C' flag feature, a sysctl to optionally enable it,
and a selftest.

Patch 5: Adjust rp_filter settings in a selftest.

Patch 6: Improve rbuf cleanup for MPTCP sockets.

Geliang Tang (4):
  mptcp: add sysctl allow_join_initial_addr_port
  mptcp: add allow_join_id0 in mptcp_out_options
  mptcp: add deny_join_id0 in mptcp_options_received
  selftests: mptcp: add deny_join_id0 testcases

Paolo Abeni (1):
  mptcp: refine mptcp_cleanup_rbuf

Yonglong Li (1):
  selftests: mptcp: turn rp_filter off on each NIC

 Documentation/networking/mptcp-sysctl.rst     | 13 ++++
 include/net/mptcp.h                           |  3 +-
 net/mptcp/ctrl.c                              | 16 ++++
 net/mptcp/options.c                           | 13 ++++
 net/mptcp/pm.c                                |  1 +
 net/mptcp/pm_netlink.c                        |  3 +-
 net/mptcp/protocol.c                          | 56 ++++++--------
 net/mptcp/protocol.h                          | 12 ++-
 net/mptcp/subflow.c                           |  3 +
 .../testing/selftests/net/mptcp/mptcp_join.sh | 75 ++++++++++++++++++-
 .../selftests/net/mptcp/simult_flows.sh       |  3 +-
 11 files changed, 157 insertions(+), 41 deletions(-)

base-commit: a432c771e2d9bc059ffe3028faf040c08b6a9f98
-- 
2.32.0