Development discussion of WireGuard
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From: "Jason A. Donenfeld" <Jason@zx2c4.com>
To: Jacob Lifshay <programmerjake@gmail.com>
Cc: wireguard@lists.zx2c4.com
Subject: Re: why not use ktime_get_clocktai_ts64
Date: Fri, 17 Jun 2022 13:56:23 +0200	[thread overview]
Message-ID: <Yqxr57xeYHYI3F22@zx2c4.com> (raw)
In-Reply-To: <CAC2bXD6FKSk1EEcw4QtqxengUvyCN2bfwzG5jFUvAPAsg2kxBA@mail.gmail.com>

Hi Jacob,

On Wed, Jun 15, 2022 at 06:48:08PM -0700, Jacob Lifshay wrote:
> I was reading in noise.c and noticed you use ktime_get_real_ts64 and
> do manual adjustments (the current code is broken if/when there's
> another leap second) rather than using ktime_get_clocktai_ts64 which
> already handles compensation for leap seconds.
> 
> https://git.zx2c4.com/wireguard-linux/tree/drivers/net/wireguard/noise.c?id=7fae4596a269d2f9a6a7d1a8695c3a68ab34f7be#n501
> 
> Is there a reason for that?

Not really I guess. The only requirement, though, is that the timestamps
are monotonic with respect to the particular localprivate-remotepublic
pairing of peers. So I'm not sure it matters?

Jason

  reply	other threads:[~2022-06-17 11:58 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-16  1:48 Jacob Lifshay
2022-06-17 11:56 ` Jason A. Donenfeld [this message]
2022-06-19  6:16   ` Jacob Lifshay

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