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From: Jakub Kicinski <kuba@kernel.org>
To: Sabrina Dubroca <sd@queasysnail.net>
Cc: netdev@vger.kernel.org, Boris Pismenny <borisp@nvidia.com>,
	John Fastabend <john.fastabend@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Paolo Abeni <pabeni@redhat.com>, Shuah Khan <shuah@kernel.org>,
	Vakul Garg <vakul.garg@nxp.com>,
	linux-kselftest@vger.kernel.org
Subject: Re: [PATCH net 3/5] tls: don't skip over different type records from the rx_list
Date: Wed, 21 Feb 2024 10:33:30 -0800	[thread overview]
Message-ID: <20240221103330.2ae35871@kernel.org> (raw)
In-Reply-To: <ZdYBzKcmIorAO47N@hog>

On Wed, 21 Feb 2024 14:59:40 +0100 Sabrina Dubroca wrote:
> It's not exactly enough, since tls_record_content_type will return 0
> on a content type mismatch. We'll have to translate that into an
> "error". 

Ugh, that's unpleasant.

> I think it would be a bit nicer to set err=1 and then check
> err != 0 in tls_sw_recvmsg (we can document that in a comment above
> process_rx_list) rather than making up a fake errno. See diff [1].
> 
> Or we could swap the 0/1 returns from tls_record_content_type and
> switch the err <= 0 tests to err != 0 after the existing calls, then
> process_rx_list doesn't have a weird special case [2].
> 
> What do you think?

I missed the error = 1 case, sorry. No strong preference, then.
Checking for error = 1 will be as special as the new rx_more
flag. Should I apply this version as is, then?

  reply	other threads:[~2024-02-21 18:33 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-15 16:17 [PATCH net 0/5] tls: fixes for record type handling with PEEK Sabrina Dubroca
2024-02-15 16:17 ` [PATCH net 1/5] tls: break out of main loop when PEEK gets a non-data record Sabrina Dubroca
2024-02-15 16:17 ` [PATCH net 2/5] tls: stop recv() if initial process_rx_list gave us non-DATA Sabrina Dubroca
2024-02-15 16:17 ` [PATCH net 3/5] tls: don't skip over different type records from the rx_list Sabrina Dubroca
2024-02-19 20:07   ` Jakub Kicinski
2024-02-19 23:10     ` Sabrina Dubroca
2024-02-21  1:50       ` Jakub Kicinski
2024-02-21 13:59         ` Sabrina Dubroca
2024-02-21 18:33           ` Jakub Kicinski [this message]
2024-02-21 18:42             ` Sabrina Dubroca
2024-02-15 16:17 ` [PATCH net 4/5] selftests: tls: add test for merging of same-type control messages Sabrina Dubroca
2024-02-15 16:17 ` [PATCH net 5/5] selftests: tls: add test for peeking past a record of a different type Sabrina Dubroca
2024-02-21 22:30 ` [PATCH net 0/5] tls: fixes for record type handling with PEEK patchwork-bot+netdevbpf

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