Re: mlx5(4) jumbo receive

From: Ryan Stone <rysto32_at_gmail.com>
Date: Wed, 25 Apr 2018 16:04:13 -0400
On Tue, Apr 24, 2018 at 4:55 AM, Konstantin Belousov
<kostikbel_at_gmail.com> wrote:
> +#ifndef MLX5E_MAX_RX_BYTES
> +#define        MLX5E_MAX_RX_BYTES MCLBYTES
> +#endif

Why do you use a 2KB buffer rather than a PAGE_SIZE'd buffer?
MJUMPAGESIZE should offer significantly better performance for jumbo
frames without increasing the risk of memory fragmentation.
Received on Wed Apr 25 2018 - 18:04:16 UTC

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