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22881adf85
Traffic mirroring modes that are in-chip implemented on egress need an internal buffer to work. As the only client, the SPAN module was managing the buffer so far. However logically it belongs to the buffers module. E.g. buffer size validation needs to take the size of the internal buffer into account. Therefore move the related code from SPAN to spectrum_buffers. Move over the callbacks that determine the minimum buffer size as a function of maximum speed and MTU. Add a field describing the internal buffer to struct mlxsw_sp_hdroom. Extend mlxsw_sp_hdroom_bufs_reset_sizes() to take care of sizing the internal buffer as well. Change the SPAN module to invoke that function and mlxsw_sp_hdroom_configure() like all the other hdroom clients. Drop the now-unnecessary mlxsw_sp_span_port_buffer_disable(). Signed-off-by: Petr Machata <petrm@nvidia.com> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.