[PATCH mptcp-next v7 00/12] refactor push pending

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

v7:
- update delegate sending in patch 10
- rebase to export/20221011T063543.
- This series should be merged between the commit "mptcp: add get_subflow
wrappers" and "bpf: Add bpf_mptcp_sched_ops", except the last squash-to
patch.

v6:
- drop all msk->last_snd, add last_snd variable instead in patch 13
- fix lock_sock issue in patch 3
- merge squash-to patches

v5:
- address Mat's comments in v4.

v4:
- update __mptcp_subflow_push_pending as Mat suggested.
- add more patches from "BPF redundant scheduler" series.

v3:
- add a cleanup patch.
- remove msk->last_snd in mptcp_subflow_get_send().
- add the loop that calls the scheduler again in __mptcp_push_pending().

v2:
- add snd_burst check in dfrags loop as Mat suggested.

Refactor __mptcp_push_pending() and __mptcp_subflow_push_pending() to
remove duplicate code and support redundant scheduler more easily in
__mptcp_subflow_push_pending().

Geliang Tang (12):
  Squash to "mptcp: add get_subflow wrappers"
  mptcp: change 'first' as a parameter
  mptcp: refactor push_pending logic
  mptcp: drop last_snd of struct mptcp_sock
  mptcp: simplify push_pending
  mptcp: multi subflows push_pending
  mptcp: use msk instead of mptcp_sk
  mptcp: refactor subflow_push_pending logic
  mptcp: simplify subflow_push_pending
  mptcp: multi subflows subflow_push_pending
  mptcp: multi subflows retrans support
  Squash to "selftests/bpf: Add bpf_rr scheduler"

 net/mptcp/pm.c                                |   9 +-
 net/mptcp/pm_netlink.c                        |   3 -
 net/mptcp/protocol.c                          | 283 ++++++++++--------
 net/mptcp/protocol.h                          |   6 +-
 net/mptcp/sched.c                             |  61 ++--
 tools/testing/selftests/bpf/bpf_tcp_helpers.h |   1 -
 .../selftests/bpf/progs/mptcp_bpf_rr.c        |   6 +-
 7 files changed, 186 insertions(+), 183 deletions(-)

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2.35.3