v3:
 - add mptcp_release_sched helper in patch 4.
 - rename mptcp_set_sched to mptcp_init_sched in patch 4.
 - add mptcp_sched_first_release in patch 7.
 - do some cleanups.

Depends on the bpf patches queued in the patchwork:
 - add skc_to_mptcp_sock, v10
 - check more values from mptcp_sock, v2

v2:
 - split into more small patches.
 - change all parameters of mptcp_sched_ops from sk to msk:
       void (*init)(struct mptcp_sock *msk);
       void (*release)(struct mptcp_sock *msk);
       struct sock *   (*get_subflow)(struct mptcp_sock *msk);
 - add tests in bpf_tcp_ca.c, instead of adding a new one.

v1:

Addressed to the commends in the RFC version:
https://patchwork.kernel.org/project/mptcp/cover/cover.1631011068.git.geliangtang@xiaomi.com/

Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/75

Geliang Tang (8):
  mptcp: add struct mptcp_sched_ops
  mptcp: register default scheduler
  mptcp: add a new sysctl scheduler
  mptcp: add sched in mptcp_sock
  mptcp: add mptcp_get_subflow wrapper
  mptcp: add bpf_mptcp_sched_ops
  selftests: bpf: add bpf_first scheduler
  selftests: bpf: add bpf_first test

 Documentation/networking/mptcp-sysctl.rst     |   8 ++
 include/net/mptcp.h                           |  13 +++
 kernel/bpf/bpf_struct_ops_types.h             |   4 +
 net/mptcp/Makefile                            |   2 +-
 net/mptcp/bpf.c                               | 102 ++++++++++++++++++
 net/mptcp/ctrl.c                              |  14 +++
 net/mptcp/protocol.c                          |  13 ++-
 net/mptcp/protocol.h                          |  11 ++
 net/mptcp/sched.c                             |  93 ++++++++++++++++
 tools/testing/selftests/bpf/bpf_tcp_helpers.h |  12 +++
 .../selftests/bpf/prog_tests/bpf_tcp_ca.c     |  42 +++++++-
 tools/testing/selftests/bpf/progs/bpf_first.c |  30 ++++++
 12 files changed, 335 insertions(+), 9 deletions(-)
 create mode 100644 net/mptcp/sched.c
 create mode 100644 tools/testing/selftests/bpf/progs/bpf_first.c

-- 
2.34.1