[dpdk-dev] [PATCH v3] mlx5: RETA query/update support

Thomas Monjalon thomas.monjalon at 6wind.com
Tue Nov 3 11:23:28 CET 2015


2015-11-02 19:11, Adrien Mazarguil:
> From: Nelio Laranjeiro <nelio.laranjeiro at 6wind.com>
> 
> ConnectX-4 adapters to not have a constant indirection table size, which is
> set at runtime from the number of RX queues. The maximum size is retrieved
> using a hardware query and is normally 512.
> 
> Since the current RETA API cannot handle a variable size, any query/update
> command causes it to be silently updated to RSS_INDIRECTION_TABLE_SIZE
> entries regardless of the original size.
> 
> Also due to the underlying type of the configuration structure, the maximum
> size is limited to RSS_INDIRECTION_TABLE_SIZE (currently 128, at most 256
> entries).
> 
> A port stop/start must be done to apply the new RETA configuration.
> 
> Signed-off-by: Nelio Laranjeiro <nelio.laranjeiro at 6wind.com>

Applied, thanks


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