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Vivien Didelot says: ==================== net: dsa: change dsa_ptr for a dsa_port With DSA, a master net_device is physically wired to a dedicated CPU switch port. For interaction with the DSA layer, the struct net_device contains a dsa_ptr, which currently points to a dsa_switch_tree object. This is only valid for a switch fabric with a single CPU port. In order to support switch fabrics with multiple CPU ports, we first need to change the type of dsa_ptr to what it really is: a dsa_port object. This is what this patchset does. The first patches adds a dsa_master_get_slave helper and cleans up portions of DSA core to make the next patches more readable. These next patches prepare the xmit and receive hot paths and finally change dsa_ptr. Changes in v2: - introduce dsa_master_get_slave helper to simplify patch 6 - keep hot path data at beginning of dsa_port for cacheline 1 ==================== 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.