[PATCH mptcp-next v7 0/7] userspace pm remove id 0 subflow & address

[Geliang Tang <geliang.tang@suse.com>]

v7:
 - move evts_get_info into mptcp_lib.sh, update userspace_pm.sh with
   this helper too.
 - drop the last two cleanup patches, they'll be sent in another series.

v6:
 - add a new helper get_info_value, update chk_mptcp_info(),
   verify_listener_events() and pedit_action_pkts() too.
 - only patch 1, 2, 4 are changed, other patches are the same as v5.

v5:
 - update userspace_pm_add_addr/sf helpers.
 - add userspace_pm_rm_addr/sf helpers.
 - remove id 0 subflow or address will send MP_RST, add chk_rst_nr for
   them.
 - add two selftests cleanups using for-loop.

v4:
 - add evts_get_info and chk_subflows helpers.
 - split the selftests patch into three.

v3:
 - address Matt's comments in v2.

v2:
 - fix CI errors.

This patchset addresses #379 and #391, add the abilities to remove id 0
subflow and address for userspace PM. And a selftest.

Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/379
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/391

Geliang Tang (7):
  selftests: mptcp: add evts_get_info helper
  selftests: mptcp: update userspace pm test helpers
  selftests: mptcp: userspace pm remove id 0 subflow
  mptcp: userspace pm allow creating id 0 subflow
  selftests: mptcp: userspace pm create id 0 subflow
  mptcp: userspace pm remove id 0 address
  selftests: mptcp: userspace pm remove id 0 address

 net/mptcp/pm_userspace.c                      |  40 +++-
 .../testing/selftests/net/mptcp/mptcp_join.sh | 204 ++++++++++++------
 .../testing/selftests/net/mptcp/mptcp_lib.sh  |  20 ++
 .../selftests/net/mptcp/userspace_pm.sh       |  96 ++++-----
 4 files changed, 235 insertions(+), 125 deletions(-)

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2.35.3