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When a user requests mirror from a mlxsw physical port (possibly based on an ACL match) to a gretap netdevice, the driver needs to resolve the request to a particular physical port that the mirrored packets will egress through, and a suite of configuration keys (importantly, IP and MAC addresses). That means calling into routing and neighbor kernel code to simulate the decisions made by the system for packets passing through a gretap netdevice. Add a new instance of mlxsw_sp_span_entry_ops to support this. Signed-off-by: Petr Machata <petrm@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.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.