Subject: Re: TCP_ULP option is not working for tls

From: Jakub Kicinski <[email-masked]>
Date: Thu, 4 May 2023 09:51:14 -0700

On Thu,  4 May 2023 16:19:29 +0000 (UTC) Kernel.org Bugbot wrote:
> I tried it on 5.15.78 where I'm getting the above failure -  "No such
> file or directory for setsockopt. Not sure on which linux kernel this
> TLS option is introduced.

Can you show the output of:

  modprobe tls
  cat /proc/sys/net/ipv4/tcp_available_ulp
  grep CONFIG_TLS /boot/config-*

?