From: "Chuck Lever" <cel@kernel.org>
To: "Sabrina Dubroca" <sd@queasysnail.net>
Cc: john.fastabend@gmail.com, "Jakub Kicinski" <kuba@kernel.org>,
netdev@vger.kernel.org, kernel-tls-handshake@lists.linux.dev,
"Chuck Lever" <chuck.lever@oracle.com>,
"Hannes Reinecke" <hare@suse.de>,
"Alistair Francis" <alistair.francis@wdc.com>
Subject: Re: [PATCH PATCH net-next v4 1/8] tls: Factor tls_decrypt_async_drain() from recvmsg
Date: Thu, 19 Mar 2026 21:03:50 -0400 [thread overview]
Message-ID: <a522e156-334e-4c3b-844e-dc92b5ccd358@app.fastmail.com> (raw)
In-Reply-To: <abwwf79GJ69X1Wim@krikkit>
On Thu, Mar 19, 2026, at 1:21 PM, Sabrina Dubroca wrote:
> 2026-03-17, 11:04:14 -0400, Chuck Lever wrote:
>> From: Chuck Lever <chuck.lever@oracle.com>
>>
>> The recvmsg path pairs tls_decrypt_async_wait() with
>> __skb_queue_purge(&ctx->async_hold). Bundling the two into
>> tls_decrypt_async_drain() gives later patches a single call
>> for async teardown.
>>
>> The purge is kept separate from tls_decrypt_async_wait()
>> because other callers (the -EBUSY fallback in
>> tls_do_decryption and the tls_strp_msg_hold error path)
>> need to synchronize without discarding held skbs that
>> are still awaiting delivery.
>
> Sorry, but why do we need to keep the encrypted skbs around in the
> async_hold queue once async decryption has completed? I guess I'm
> missing something.
Ah. We don’t need to keep the encrypted skbs. v5 will address that.
--
Chuck Lever
next prev parent reply other threads:[~2026-03-20 1:04 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-17 15:04 [PATCH net-next v4 0/8] TLS read_sock performance scalability Chuck Lever
2026-03-17 15:04 ` [PATCH PATCH net-next v4 1/8] tls: Factor tls_decrypt_async_drain() from recvmsg Chuck Lever
2026-03-17 19:55 ` Breno Leitao
2026-03-19 17:21 ` Sabrina Dubroca
2026-03-20 1:03 ` Chuck Lever [this message]
2026-03-17 15:04 ` [PATCH PATCH net-next v4 2/8] tls: Abort the connection on decrypt failure Chuck Lever
2026-03-23 10:22 ` Sabrina Dubroca
2026-03-17 15:04 ` [PATCH PATCH net-next v4 3/8] tls: Fix dangling skb pointer in tls_sw_read_sock() Chuck Lever
2026-03-17 15:04 ` [PATCH PATCH net-next v4 4/8] tls: Factor tls_strp_msg_release() from tls_strp_msg_done() Chuck Lever
2026-03-17 15:04 ` [PATCH PATCH net-next v4 5/8] tls: Suppress spurious saved_data_ready on all receive paths Chuck Lever
2026-03-23 10:32 ` Sabrina Dubroca
2026-03-17 15:04 ` [PATCH PATCH net-next v4 6/8] tls: Flush backlog before waiting for a new record Chuck Lever
2026-03-17 15:04 ` [PATCH PATCH net-next v4 7/8] tls: Restructure tls_sw_read_sock() into submit/deliver phases Chuck Lever
2026-03-23 11:31 ` Sabrina Dubroca
2026-03-17 15:04 ` [PATCH PATCH net-next v4 8/8] tls: Enable batch async decryption in read_sock Chuck Lever
2026-03-23 14:14 ` Sabrina Dubroca
2026-03-23 15:04 ` Chuck Lever
2026-03-23 23:08 ` Sabrina Dubroca
2026-03-24 13:17 ` Chuck Lever
2026-03-24 22:58 ` Sabrina Dubroca
2026-03-23 15:53 ` Chuck Lever
2026-03-23 21:28 ` Chuck Lever
2026-03-23 21:41 ` Jakub Kicinski
2026-03-23 22:48 ` Sabrina Dubroca
2026-03-24 12:44 ` Chuck Lever
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