linux-kernel - [PATCH net-next 00/15] mptcp: pm: misc cleanups, part 2

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Message-Id: <20250116-net-next-mptcp-pm-misc-cleanup-2-v1-0-c0b43f18fe06@kernel.org>
Date: Thu, 16 Jan 2025 17:51:22 +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>, Simon Horman <horms@...nel.org>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, 
 "Matthieu Baerts (NGI0)" <matttbe@...nel.org>, 
 Geliang Tang <geliang@...nel.org>
Subject: [PATCH net-next 00/15] mptcp: pm: misc cleanups, part 2

These cleanups lead the way to the unification of the path-manager
interfaces, and allow future extensions. The following patches are not
all linked to each others, but are all related to the path-managers.

- Patch 1: drop unneeded parameter in a function helper.

- Patch 2: clearer NL error message when an NL attribute is missing.

- Patch 3: more precise NL messages by avoiding 'this or that is NOK'.

- Patch 4: improve too vague or missing NL err messages.

- Patch 5: use GENL_REQ_ATTR_CHECK to look for mandatory NL attributes.

- Patch 6: avoid overriding the error message.

- Patch 7: check all mandatory NL attributes with GENL_REQ_ATTR_CHECK.

- Patch 8: use NL_SET_ERR_MSG_ATTR instead of GENL_SET_ERR_MSG

- Patch 9: move doit callbacks used for both PM to pm.c.

- Patch 10: drop another unneeded parameter in a function helper.

- Patch 11: share the ID parsing code for the 'get_addr' callback.

- Patch 12: share sending NL code for the 'get_addr' callback.

- Patch 13: drop yet another unneeded parameter in a function helper.

- Patch 14: pick the usual structure type for the remote address.

- Patch 15: share the local addr parsing code for the 'set_flags' cb.

The behaviour when there are no errors should then not be modified.

Signed-off-by: Matthieu Baerts (NGI0) <matttbe@...nel.org>
---
Geliang Tang (9):
      mptcp: pm: drop info of userspace_pm_remove_id_zero_address
      mptcp: pm: userspace: use GENL_REQ_ATTR_CHECK
      mptcp: pm: make three pm wrappers static
      mptcp: pm: drop skb parameter of get_addr
      mptcp: pm: add id parameter for get_addr
      mptcp: pm: reuse sending nlmsg code in get_addr
      mptcp: pm: drop skb parameter of set_flags
      mptcp: pm: change rem type of set_flags
      mptcp: pm: add local parameter for set_flags

Matthieu Baerts (NGI0) (6):
      mptcp: pm: userspace: flags: clearer msg if no remote addr
      mptcp: pm: more precise error messages
      mptcp: pm: improve error messages
      mptcp: pm: remove duplicated error messages
      mptcp: pm: mark missing address attributes
      mptcp: pm: use NL_SET_ERR_MSG_ATTR when possible

 net/mptcp/pm.c           |  86 +++++++++++++++++--
 net/mptcp/pm_netlink.c   | 129 ++++++++++-------------------
 net/mptcp/pm_userspace.c | 209 +++++++++++++++++++++--------------------------
 net/mptcp/protocol.h     |  14 ++--
 4 files changed, 225 insertions(+), 213 deletions(-)
---
base-commit: b44e27b4df1a1cd3fd84cf26c82156ed0301575f
change-id: 20250116-net-next-mptcp-pm-misc-cleanup-2-b0f50eff8084

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