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In NU Ethernet switch used on some of the Keystone SoCs, there is separate UNKNOWNVLAN register for membership, unreg mcast flood, reg mcast flood and force untag egress bits in ALE. So control for these fields require different address offset, shift and size of field. As this ALE has the same version number as ALE in CPSW found on other SoCs, customization based on version number is not possible. So use a configuration parameter, nu_switch_ale, to identify the ALE ALE found in NU Switch. Different treatment is needed for NU Switch ALE due to difference in the ale table bits, separate unknown vlan registers etc. The register information available in ale_controls, needs to be updated to support the netcp NU switch h/w. So it is not constant array any more since it needs to be updated based on ALE type. The header of the file is also updated to indicate it supports N port switch ALE, not just 3 port. The version mask is 3 bits in NU Switch ALE vs 8 bits on other ALE types. While at it, change the debug print to info print so that ALE version gets displayed in boot log. Signed-off-by: Murali Karicheri <m-karicheri2@ti.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| README | ||
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.