linux-kernel - [PATCH net-next 00/15] mptcp: userspace pm: 'dump addrs' and 'get addr'

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Date: Fri, 01 Mar 2024 19:18:24 +0100
From: "Matthieu Baerts (NGI0)" <matttbe@...nel.org>
To: mptcp@...ts.linux.dev, Mat Martineau <martineau@...nel.org>, 
 Geliang Tang <geliang@...nel.org>, "David S. Miller" <davem@...emloft.net>, 
 Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, 
 Paolo Abeni <pabeni@...hat.com>, Shuah Khan <shuah@...nel.org>
Cc: Geliang Tang <tanggeliang@...inos.cn>, netdev@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org, 
 "Matthieu Baerts (NGI0)" <matttbe@...nel.org>
Subject: [PATCH net-next 00/15] mptcp: userspace pm: 'dump addrs' and 'get
 addr'

This series from Geliang adds two new Netlink commands to the userspace
PM:

- one to dump all addresses of a specific MPTCP connection:
  - feature added in patches 3 to 5
  - test added in patches 7, 8 and 10

- and one to get a specific address for an MPTCP connection:
  - feature added in patches 11 to 13
  - test added in patches 14 and 15

These new Netlink commands can be useful if an MPTCP daemon lost track
of the different connections, e.g. after having been restarted.

The other patches are some clean-ups and small improvements added while
working on the new features.

Signed-off-by: Matthieu Baerts (NGI0) <matttbe@...nel.org>
---
Geliang Tang (15):
      mptcp: make pm_remove_addrs_and_subflows static
      mptcp: export mptcp_genl_family & mptcp_nl_fill_addr
      mptcp: implement mptcp_userspace_pm_dump_addr
      mptcp: add token for get-addr in yaml
      mptcp: dump addrs in userspace pm list
      mptcp: check userspace pm flags
      selftests: mptcp: add userspace pm subflow flag
      selftests: mptcp: add token for dump_addr
      selftests: mptcp: add mptcp_lib_check_output helper
      selftests: mptcp: dump userspace addrs list
      mptcp: add userspace_pm_lookup_addr_by_id helper
      mptcp: implement mptcp_userspace_pm_get_addr
      mptcp: get addr in userspace pm list
      selftests: mptcp: add token for get_addr
      selftests: mptcp: userspace pm get addr tests

 Documentation/netlink/specs/mptcp_pm.yaml       |   3 +-
 net/mptcp/mptcp_pm_gen.c                        |   7 +-
 net/mptcp/mptcp_pm_gen.h                        |   2 +-
 net/mptcp/pm.c                                  |  16 +++
 net/mptcp/pm_netlink.c                          |  30 ++--
 net/mptcp/pm_userspace.c                        | 180 +++++++++++++++++++++---
 net/mptcp/protocol.h                            |  15 +-
 tools/testing/selftests/net/mptcp/mptcp_join.sh |  91 ++++++++++++
 tools/testing/selftests/net/mptcp/mptcp_lib.sh  |  23 +++
 tools/testing/selftests/net/mptcp/pm_netlink.sh |  18 +--
 tools/testing/selftests/net/mptcp/pm_nl_ctl.c   |  39 ++++-
 11 files changed, 374 insertions(+), 50 deletions(-)
---
base-commit: e960825709330cb199d209740326cec37e8c419d
change-id: 20240301-upstream-net-next-20240301-mptcp-userspace-pm-dump-addr-221f169ac144

Best regards,
-- 
Matthieu Baerts (NGI0) <matttbe@...nel.org>