Development discussion of WireGuard
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From: "Jason A. Donenfeld" <Jason@zx2c4.com>
To: Daniel Borkmann <daniel@iogearbox.net>
Cc: kuba@kernel.org, edumazet@google.com, aspsk@isovalent.com,
	m@lambda.lt, netdev@vger.kernel.org, wireguard@lists.zx2c4.com
Subject: Re: [PATCH net-next v2] wireguard: Wire-up big tcp support
Date: Mon, 7 Oct 2024 18:42:41 +0200	[thread overview]
Message-ID: <ZwQPgbwio38LWqKS@zx2c4.com> (raw)
In-Reply-To: <20241004165518.120567-1-daniel@iogearbox.net>

Hi Daniel,

On Fri, Oct 04, 2024 at 06:55:18PM +0200, Daniel Borkmann wrote:
> Advertise GSO_MAX_SIZE as TSO max size in order support BIG TCP for wireguard.
> This helps to improve wireguard performance a bit when enabled as it allows
> wireguard to aggregate larger skbs in wg_packet_consume_data_done() via
> napi_gro_receive(), but also allows the stack to build larger skbs on xmit
> where the driver then segments them before encryption inside wg_xmit().

Thanks, I'll queue this up. Do you have any perf numbers on the speedup,
btw?

Jason

  reply	other threads:[~2024-11-18  2:40 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-04 16:55 Daniel Borkmann
2024-10-07 16:42 ` Jason A. Donenfeld [this message]
2024-10-07 17:50   ` Daniel Borkmann

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