[PATCH mptcp-next v7 0/4] fixes for "new MPTCP subflow subtest v4"

[Geliang Tang <geliang@kernel.org>]

From: Geliang Tang <tanggeliang@kylinos.cn>

v7:
 - drop helpers mptcp_for_each_subflow_safe and
   list_for_each_entry_safe.
 - update parameters of _check_getsockopt_subflow_mark/cc.
 - print more messages in the logs as Matt suggested.

v6:
 - address Matt's comments in v5.
 - use mptcp_for_each_subflow in _check_getsockopt_subflow_mark.
 - check msk->pm.subflows in _check_getsockopt_subflow_mark/cc.
 - add wait_for_new_subflows helper.

v5:
 - rename _check_getsockopt_subflows_mark in patch 1.
 - address Matt's comments in v4.

v4:
 - address Matt's comments in v3.

v3:
 - drop "ss_search" from subflow subtest
 - fix mptcp_for_each_subflow_safe
 - add cond_break in list_for_each_entry/_safe

Two fixes address Martin's comments in "new MPTCP subflow subtest" v4.
Patch 2 will conflict with "selftests/bpf: Add bpf_first scheduler & test".

Geliang Tang (4):
  Squash to "selftests/bpf: Add mptcp subflow example"
  selftests/bpf: Add getsockopt to inspect mptcp subflow
  Squash to "selftests/bpf: Add mptcp subflow subtest"
  Squash to "selftests/bpf: Add bpf scheduler test"

 .../testing/selftests/bpf/prog_tests/mptcp.c  | 65 ++++++++-----
 tools/testing/selftests/bpf/progs/mptcp_bpf.h | 27 ++++++
 .../selftests/bpf/progs/mptcp_subflow.c       | 92 ++++++++++++++++++-
 3 files changed, 162 insertions(+), 22 deletions(-)

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2.43.0