netdev - [PATCH net-next v2 00/11] tools/net/ynl: Add 'sub-message' support to ynl

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Date: Mon, 11 Dec 2023 16:40:28 +0000
From: Donald Hunter <donald.hunter@...il.com>
To: netdev@...r.kernel.org,
	Jakub Kicinski <kuba@...nel.org>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Paolo Abeni <pabeni@...hat.com>,
	Jonathan Corbet <corbet@....net>,
	linux-doc@...r.kernel.org,
	Jacob Keller <jacob.e.keller@...el.com>
Cc: donald.hunter@...hat.com,
	Donald Hunter <donald.hunter@...il.com>
Subject: [PATCH net-next v2 00/11] tools/net/ynl: Add 'sub-message' support to ynl

This patchset adds a 'sub-message' attribute type to the netlink-raw
schema and implements it in ynl. This provides support for kind-specific
options attributes as used in rt_link and tc raw netlink families.

A description of the new 'sub-message' attribute type and the
corresponding sub-message definitions is provided in patch 5.

The patchset includes updates to the rt_link spec and a new tc spec that
make use of the new 'sub-message' attribute type.

As mentioned in patch 7, encode support is not yet implemented in ynl
and support for sub-message selectors at a different nest level from the
key attribute is not yet supported. I plan to work on these in folloup
patches.

Patches 1-4 are cleanups and fixes in ynl
Patches 5-7 add sub-message support to the schema and ynl with
documentation updates.
Patch 8 adds binary and pad support to structs in netlink-raw.
Patches 9-10 contain specs that use the sub-message attribute type.
Patch 11 updates ynl-gen-rst to include sub-messages

Changes since v1: (all reported by Jakub Kicinski, thanks!)
 - Added cleanups for ynl and generated netlink docs
 - Describe sub-messages in netlink docs
 - Cleaned up unintended indent changes
 - Cleaned up rt-link sub-message definitions
 - Cleaned up array index expressions to follow python style
 - Added sub-messages to generated netlink spec docs

Donald Hunter (11):
  tools/net/ynl-gen-rst: Use bullet lists for attribute-set entries
  tools/net/ynl-gen-rst: Sort the index of generated netlink specs
  doc/netlink: Regenerate netlink .rst files if ynl-gen-rst changes
  tools/net/ynl: Use consistent array index expression formatting
  doc/netlink: Add sub-message support to netlink-raw
  doc/netlink: Document the sub-message format for netlink-raw
  tools/net/ynl: Add 'sub-message' attribute decoding to ynl
  tools/net/ynl: Add binary and pad support to structs for tc
  doc/netlink/specs: add sub-message type to rt_link family
  doc/netlink/specs: Add a spec for tc
  tools/net/ynl-gen-rst: Add sub-messages to generated docs

 Documentation/Makefile                        |    7 +-
 Documentation/netlink/netlink-raw.yaml        |   53 +-
 Documentation/netlink/specs/rt_link.yaml      |  436 +++-
 Documentation/netlink/specs/tc.yaml           | 2036 +++++++++++++++++
 .../userspace-api/netlink/netlink-raw.rst     |   75 +-
 tools/net/ynl/lib/nlspec.py                   |   55 +
 tools/net/ynl/lib/ynl.py                      |   94 +-
 tools/net/ynl/ynl-gen-rst.py                  |   27 +-
 8 files changed, 2748 insertions(+), 35 deletions(-)
 create mode 100644 Documentation/netlink/specs/tc.yaml

-- 
2.42.0