From: Alejandro Colomar <alx@kernel.org>
To: Josh Triplett <josh@joshtriplett.org>
Cc: linux-man@vger.kernel.org
Subject: Re: TCP_DEFER_ACCEPT documentation should be more precise about rounding to retransmits
Date: Wed, 15 Apr 2026 23:19:04 +0200 [thread overview]
Message-ID: <aeAAXdBe1f2THR2N@devuan> (raw)
In-Reply-To: <ad50CQgF_gNtB1Kr@localhost>
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Hi Josh,
On 2026-04-14T10:06:17-0700, Josh Triplett wrote:
> `tcp(7)` says:
> > Takes an integer value (seconds), this can bound the maximum number of attempts TCP will make to complete the connection.
>
> However, it doesn't say *how* it bounds the attempts. From the kernel
> code, it appears to round up to the first retransmit time that's larger
> than the specified bound. Could the manpage please document this?
Would you mind sending a patch? (And if appropriate, CC someone.)
Have a lovely night!
Alex
>
> (Discovered when adding Rust bindings to this, and trying to figure out
> and document the rounding behavior.)
>
> - Josh Triplett
>
--
<https://www.alejandro-colomar.es>
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next prev parent reply other threads:[~2026-04-15 21:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-14 17:06 TCP_DEFER_ACCEPT documentation should be more precise about rounding to retransmits Josh Triplett
2026-04-15 21:19 ` Alejandro Colomar [this message]
2026-04-16 21:57 ` [PATCH] Document TCP_DEFER_ACCEPT rounding Josh Triplett
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