netdev - Re: [PATCH net-next] tcp: clarify tcp_congestion

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Message-ID: <12b2e464-04d9-4f43-80d8-8a9f7fa8ef83@redhat.com>
Date: Fri, 19 Dec 2025 10:30:49 +0100
From: Paolo Abeni <pabeni@...hat.com>
To: Daniel Sedlak <daniel.sedlak@...77.com>,
 Eric Dumazet <edumazet@...gle.com>, Neal Cardwell <ncardwell@...gle.com>,
 Kuniyuki Iwashima <kuniyu@...gle.com>, "David S. Miller"
 <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>,
 Simon Horman <horms@...nel.org>, netdev@...r.kernel.org
Subject: Re: [PATCH net-next] tcp: clarify tcp_congestion_ops functions
 comments

On 12/18/25 11:58 AM, Daniel Sedlak wrote:
> The optional/required hints in the tcp_congestion_ops are information
> for the user of this interface to signalize its importance when
> implementing these functions.
> 
> However, cong_avoid comment incorrectly tells that it is required.
> For example the BBR does not implement this function, thus mark it as
> an optional.
> 
> In addition, min_tso_segs has not had any comment optional/required
> hints. So mark it as optional since it is used only in BBR.
> 
> Signed-off-by: Daniel Sedlak <daniel.sedlak@...77.com>

## Form letter - net-next-closed

The net-next tree is closed for new drivers, features, code refactoring
and optimizations due to the merge window and the winter break. We are
currently accepting bug fixes only.

Please repost when net-next reopens after Jan 2nd.

RFC patches sent for review only are obviously welcome at any time.