[PATCHv2 net-next 0/3] Add YNL test framework and library improvements

[Hangbin Liu <liuhangbin@gmail.com>]

This series enhances YNL tools with some functionalities and adds
YNL test framework.

Changes include:
- Add MAC address parsing support in YNL library
- Fix rt-rule spec consistency with other rt-* families
- Add tests covering CLI and ethtool functionality

The tests provide usage examples and regression testing for YNL tools.
Test result:
  # test_ynl_cli
  PASS: YNL CLI list families
  PASS: YNL CLI netdev operations
  PASS: YNL CLI ethtool operations
  PASS: YNL CLI rt-route operations
  PASS: YNL CLI rt-addr operations
  PASS: YNL CLI rt-link operations
  PASS: YNL CLI rt-neigh operations
  PASS: YNL CLI rt-rule operations
  PASS: YNL CLI nlctrl getfamily
  # test_ynl_ethtool
  PASS: YNL ethtool device info
  PASS: YNL ethtool statistics
  PASS: YNL ethtool ring parameters (show/set)
  PASS: YNL ethtool coalesce parameters (show/set)
  PASS: YNL ethtool pause parameters (show/set)
  PASS: YNL ethtool features info (show/set)
  PASS: YNL ethtool channels info (show/set)
  PASS: YNL ethtool time stamping

v2: move test from selftest to ynl folder (Jakub Kicinski)
v1: https://lore.kernel.org/netdev/20251029082245.128675-1-liuhangbin@gmail.com

Hangbin Liu (3):
  tools: ynl: Add MAC address parsing support
  netlink: specs: update rt-rule src/dst attribute types to support IPv4
    addresses
  tools: ynl: add YNL test framework

 Documentation/netlink/specs/rt-rule.yaml |   6 +-
 tools/net/ynl/Makefile                   |   3 +-
 tools/net/ynl/pyynl/lib/ynl.py           |   9 +
 tools/net/ynl/tests/Makefile             |  24 ++
 tools/net/ynl/tests/config               |   6 +
 tools/net/ynl/tests/test_ynl_cli.sh      | 290 +++++++++++++++++++++++
 tools/net/ynl/tests/test_ynl_ethtool.sh  | 195 +++++++++++++++
 7 files changed, 530 insertions(+), 3 deletions(-)
 create mode 100644 tools/net/ynl/tests/Makefile
 create mode 100644 tools/net/ynl/tests/config
 create mode 100755 tools/net/ynl/tests/test_ynl_cli.sh
 create mode 100755 tools/net/ynl/tests/test_ynl_ethtool.sh

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2.50.1