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Currently the only mirror action supported by mlxsw is mirror to another mlxsw physical port. Correspondingly, span_entry, which tracks each mlxsw mirror in the system, currently holds a u8 number of the destination port. To extend this system to mirror to gretap and ip6gretap netdevices, have struct mlxsw_sp_span_entry actually hold the destination netdevice itself. This change then trickles down in obvious manner to SPAN module API and mirror-related interfaces in struct mlxsw_afa_ops. To prevent use of invalid pointer, NETDEV_UNREGISTER needs to be hooked and the corresponding SPAN entry invalidated. 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> |
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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.