Subject: Re: [PATCH net-next] fou: Remove XRFM from NET_FOU Kconfig

From: Jakub Kicinski <[email-masked]>
Date: Fri, 8 Apr 2022 14:33:49 -0700

On Thu,  7 Apr 2022 10:15:54 -0700 Coco Li wrote:
> XRFM is no longer needed for configuring FOU tunnels
> (CONFIG_NET_FOU_IP_TUNNELS), remove from Kconfig.

What's the full story? The original code mentions udp_encap_rcv 
but would be used to note where that dependency got removed.

> Built and installed kernel and setup GUE/FOU tunnels.
> 
> Signed-off-by: Coco Li <[email-masked]>
> ---
>  net/ipv4/Kconfig | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
> index 87983e70f03f..e983bb0c5012 100644
> --- a/net/ipv4/Kconfig
> +++ b/net/ipv4/Kconfig
> @@ -321,7 +321,6 @@ config NET_UDP_TUNNEL
>  
>  config NET_FOU
>  	tristate "IP: Foo (IP protocols) over UDP"
> -	select XFRM
>  	select NET_UDP_TUNNEL
>  	help
>  	  Foo over UDP allows any IP protocol to be directly encapsulated

I think we can also remove the include of xfrm.h from fou.c ?