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Currently, when an IP address is added to a bridge that has no PVID, the operation is rejected. An IP address addition is interpreted as a request to create a RIF for the bridge device, but without a PVID there is no VLAN for which the RIF should be created. Thus the correct way to create a RIF for a bridge as a user is to first add a PVID, and then add the IP address. Ideally this ordering requirement would not exist. RIF would be created either because an IP address is added, or because a PVID is added, depending on which comes last. For that, the switchdev code (which notices the PVID change request) must be able to request that a RIF is created with a given VLAN ID, because at the time that the PVID notification is distributed, the PVID setting is not yet visible for querying. Therefore when creating a VLAN-based RIF, use mlxsw_sp_rif_params.vid to communicate the VID, and do not determine it ad-hoc in the fid_get callback. Signed-off-by: Petr Machata <petrm@nvidia.com> Reviewed-by: Danielle Ratson <danieller@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.