[net-next,0/6] mptcp: A few optimizations

Here is a set of patches that we've accumulated and tested in the MPTCP
tree.


Patch 1 removes the MPTCP-level tx skb cache that added complexity but
did not provide a meaningful benefit.

Patch 2 uses the fast socket lock in more places.

Patch 3 improves handling of a data-ready flag.

Patch 4 deletes an unnecessary and racy connection state check.

Patch 5 adds a MIB counter for one type of invalid MPTCP header.

Patch 6 improves self test failure output.


Matthieu Baerts (1):
  selftests: mptcp: display proper reason to abort tests

Paolo Abeni (5):
  mptcp: drop tx skb cache
  mptcp: use fast lock for subflows when possible
  mptcp: don't clear MPTCP_DATA_READY in sk_wait_event()
  mptcp: drop redundant test in move_skbs_to_msk()
  mptcp: add MIB counter for invalid mapping

 net/mptcp/mib.c                               |   1 +
 net/mptcp/mib.h                               |   1 +
 net/mptcp/pm_netlink.c                        |  10 +-
 net/mptcp/protocol.c                          | 113 +++---------------
 net/mptcp/protocol.h                          |   2 -
 net/mptcp/subflow.c                           |   4 +-
 .../selftests/net/mptcp/mptcp_connect.sh      |  52 +++++---
 7 files changed, 62 insertions(+), 121 deletions(-)


base-commit: ef2c3ddaa4ed0b1d9de34378d08d3e24a3fec7ac

Hello:

This series was applied to netdev/net-next.git (refs/heads/master):

On Mon, 21 Jun 2021 15:54:32 -0700 you wrote:
> Here is a set of patches that we've accumulated and tested in the MPTCP

> tree.

> 

> 

> Patch 1 removes the MPTCP-level tx skb cache that added complexity but

> did not provide a meaningful benefit.

> 

> [...]


Here is the summary with links:
  - [net-next,1/6] mptcp: drop tx skb cache
    https://git.kernel.org/netdev/net-next/c/8ce568ed06ce
  - [net-next,2/6] mptcp: use fast lock for subflows when possible
    https://git.kernel.org/netdev/net-next/c/75e908c33615
  - [net-next,3/6] mptcp: don't clear MPTCP_DATA_READY in sk_wait_event()
    https://git.kernel.org/netdev/net-next/c/3c90e377a1e8
  - [net-next,4/6] mptcp: drop redundant test in move_skbs_to_msk()
    https://git.kernel.org/netdev/net-next/c/8cfc47fc2eb0
  - [net-next,5/6] mptcp: add MIB counter for invalid mapping
    https://git.kernel.org/netdev/net-next/c/06285da96a1c
  - [net-next,6/6] selftests: mptcp: display proper reason to abort tests
    https://git.kernel.org/netdev/net-next/c/a4debc4772f4

You are awesome, thank you!
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