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Current implementation only supports 802.1Q VLAN Ethernet protocol. That protocol type is assumed by default and SWITCHDEV_ATTR_ID_BRIDGE_VLAN_PROTOCOL notification is ignored. To prepare for supporting 802.1ad protocol in following patches implement the necessary infrastructure to allow the user to dynamically change the VLAN protocol: - Handle SWITCHDEV_ATTR_ID_BRIDGE_VLAN_PROTOCOL notification by flushing FDB and re-creating VLAN modify header actions with new protocol. In this patch the only allowed dynamic VLAN protocol value is ETH_P_8021Q. - Save current VLAN protocol in per-bridge instance variable. Use the dynamic variable instead of hardcoded values in mlx5 bridge code. Create VLAN flow groups and flows based on current mlx5_esw_bridge->vlan_proto value instead of assuming 802.1Q ethertype. - Extract common flow group creation code into dedicated functions in order to be reused for creating QinQ groups in following patches. Signed-off-by: Vlad Buslov <vladbu@nvidia.com> Reviewed-by: Roi Dayan <roid@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.