2016-12-22 14:05, Tomasz Kulasek:
> Since all current drivers supports Tx preparation API, it is used
> in csum forwarding engine by default for all drivers.
[...]
> +/*
> + * Enable Tx preparation path in the "csum" engine.
> + */
> +uint8_t tx_prepare;
It seems this variable is not used.
Since all current drivers supports Tx preparation API, it is used
in csum forwarding engine by default for all drivers.
Adding additional step to the csum engine costs about 3-4% of performance
drop, on my setup with ixgbe driver. It's caused mostly by the need
of reaccessing and modification of p
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