netdev - Re: [PATCH net-next v3 3/6] tls: implement rekey for TLS1.3

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Date: Fri, 11 Aug 2023 18:43:47 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Sabrina Dubroca <sd@...asysnail.net>
Cc: netdev@...r.kernel.org, Vadim Fedorenko <vfedorenko@...ek.ru>, Frantisek
 Krenzelok <fkrenzel@...hat.com>, Kuniyuki Iwashima <kuniyu@...zon.com>,
 Apoorv Kothari <apoorvko@...zon.com>, Boris Pismenny <borisp@...dia.com>,
 John Fastabend <john.fastabend@...il.com>, Shuah Khan <shuah@...nel.org>,
 linux-kselftest@...r.kernel.org, Gal Pressman <gal@...dia.com>, Marcel
 Holtmann <marcel@...tmann.org>
Subject: Re: [PATCH net-next v3 3/6] tls: implement rekey for TLS1.3

On Wed,  9 Aug 2023 14:58:52 +0200 Sabrina Dubroca wrote:
>  			TLS_INC_STATS(sock_net(sk), LINUX_MIB_TLSRXSW);
>  			TLS_INC_STATS(sock_net(sk), LINUX_MIB_TLSCURRRXSW);
>  			conf = TLS_SW;

Should we add a statistic for rekeying?

> +int tls_set_sw_offload(struct sock *sk, int tx,
> +		       struct tls_crypto_info *new_crypto_info)
>  {

This function is already 300 LoC and we're making longer with 
a not-so-pretty goto skip;

Any way we can refactor it first? I think someone had a plan
to at least make the per-algo stuff less verbose?