v3:
 - use new BPF scheduler API:
 - add backup scheduler
 - add round-robin scheduler
 - check bytes_sent of 'ss' output.

v2:
- Use new BPF scheduler API:
 unsigned long (*get_subflow)(const struct mptcp_sock *msk, bool reinject,
                              struct mptcp_sched_data *data);

Geliang Tang (10):
  Squash to "mptcp: add struct mptcp_sched_ops"
  Squash to "mptcp: add sched in mptcp_sock"
  Squash to "mptcp: add get_subflow wrappers"
  Squash to "mptcp: add bpf_mptcp_sched_ops"
  Squash to "selftests/bpf: add bpf_first scheduler"
  Squash to "selftests/bpf: add bpf_first test"
  selftests/bpf: add bpf_backup scheduler
  selftests/bpf: add bpf_backup test
  selftests/bpf: add bpf_rr scheduler
  selftests/bpf: add bpf_rr test

 include/net/mptcp.h                           | 12 ++-
 net/mptcp/bpf.c                               | 36 ++++----
 net/mptcp/sched.c                             | 59 +++++++++---
 tools/testing/selftests/bpf/bpf_tcp_helpers.h | 21 ++++-
 .../testing/selftests/bpf/prog_tests/mptcp.c  | 89 ++++++++++++++++++-
 .../selftests/bpf/progs/mptcp_bpf_backup.c    | 43 +++++++++
 .../selftests/bpf/progs/mptcp_bpf_first.c     |  5 +-
 .../selftests/bpf/progs/mptcp_bpf_rr.c        | 46 ++++++++++
 8 files changed, 271 insertions(+), 40 deletions(-)
 create mode 100644 tools/testing/selftests/bpf/progs/mptcp_bpf_backup.c
 create mode 100644 tools/testing/selftests/bpf/progs/mptcp_bpf_rr.c

-- 
2.34.1