mlxsw: spectrum_buffers: Introduce shared buffer ops
The size of the internal buffer is currently calculated in the SPAN module. Logically it belongs to the spectrum_buffers module, where it should be moved. However, that being a chip-specific operation, it needs dynamic dispatch. There currently is a chip-specific structure for description of shared buffer values, struct mlxsw_sp_sb_vals. However placing ops into this structure would be confusing. Therefore introduce a new per-chip structure, currently empty, and initialize the ops pointer as appropriate. 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>
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