[PATCH] net/ena: restructure the llq policy user setting

[Ferruh Yigit]

On 10/6/2024 1:32 PM, shaibran at amazon.com wrote:
> From: Shai Brandes <shaibran at amazon.com>
> 
> Replaced `enable_llq`, `normal_llq_hdr` and `large_llq_hdr`
> devargs with a new shared devarg named `llq_policy` that
> implements the same logic and accepts the following values:
> 0 - Disable LLQ.
>     Use with extreme caution as it leads to a huge performance
>     degradation on AWS instances built with Nitro v4 onwards.
> 1 - Accept device recommended LLQ policy (Default).
>     Device can recommend normal or large LLQ policy.
> 2 - Enforce normal LLQ policy.
> 3 - Enforce large LLQ policy.
>     Required for packets with header that exceed 96 bytes on
>     AWS instances built with Nitro v2 and earlier.
> 
> Signed-off-by: Shai Brandes <shaibran at amazon.com>
> Reviewed-by: Amit Bernstein <amitbern at amazon.com>
>

Applied to dpdk-next-net/main, thanks.