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The Cross-chip Port Based VLAN Table (PVT) supports two indexing modes, one using 5-bit for device and 4-bit for port, the other using 4-bit for device and 5-bit for port, configured via the Global 2 Misc register. Only 4 bits for the source port are needed when interconnecting 88E6xxx switch devices since they all support less than 16 physical ports. The full 5 bits are needed when interconnecting a device with 98DXxxx switch devices since they support more than 16 physical ports. Add a mv88e6xxx_pvt_setup helper to set the 4-bit port PVT mode, which will be extended later to also initialize the PVT content. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.