[PATCH v2 1/1] usertools/rss: add CNXK RSS key

[Thomas Monjalon]

Adding the script author, Robin.

09/10/2023 18:36, skori at marvell.com:
> From: Sunil Kumar Kori <skori at marvell.com>
> 
> This patch adds RSS key for CNXK platforms. CNXK platform uses
> 48 bytes long key for hash calculations.
> 
> For the same patch also updates help mesaages to provide range
> information for supporting NICs/platforms.
> 
> Also CNXK uses reta size as 64 so to get correct offset to retrieve
> queue index, user must pass reta_size option as 64 i.e. -t 64.

Can it be something automatic instead of asking the user to pass -t 64?

> +# rss_key_default, see drivers/net/cnxk/cnxk_flow.c

I don't see rss_key_default in drivers/net/cnxk/cnxk_flow.c

> +# Marvell's cnxk NICs take 48 bytes keys
> +RSS_KEY_CNXK = bytes(
> +    (
> +        0xfe, 0xed, 0x0b, 0xad, 0xfe, 0xed, 0x0b, 0xad,
> +        0xfe, 0xed, 0x0b, 0xad, 0xfe, 0xed, 0x0b, 0xad,
> +        0xfe, 0xed, 0x0b, 0xad, 0xfe, 0xed, 0x0b, 0xad,
> +        0xfe, 0xed, 0x0b, 0xad, 0xfe, 0xed, 0x0b, 0xad,
> +        0xfe, 0xed, 0x0b, 0xad, 0xfe, 0xed, 0x0b, 0xad,
> +        0xfe, 0xed, 0x0b, 0xad, 0xfe, 0xed, 0x0b, 0xad,
> +    )
> +)