netdev - Re: [PATCH 2/3] icmp: define probe message types

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Date:   Fri, 13 Nov 2020 12:54:23 -0800
From:   Andreas Roeseler <andreas.a.roeseler@...il.com>
To:     davem@...emloft.net
Cc:     kuznet@....inr.ac.ru, yoshfuji@...ux-ipv6.org, kuba@...nel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH 2/3] icmp: define probe message types

On Thu, 2020-11-12 at 21:02 -0800, Andreas Roeseler wrote:
> Types of ICMP Extended Echo Request and ICMP Extended Echo Reply are
> defined in sections 2 and 3 of RFC 8335.
> 
> Signed-off-by: Andreas Roeseler <andreas.a.roeseler@...il.com> 
> ---
>  include/uapi/linux/icmp.h | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/include/uapi/linux/icmp.h b/include/uapi/linux/icmp.h
> index fb169a50895e..6cabb6acc156 100644
> --- a/include/uapi/linux/icmp.h
> +++ b/include/uapi/linux/icmp.h
> @@ -66,6 +66,10 @@
>  #define ICMP_EXC_TTL           0       /* TTL count
> exceeded           */
>  #define ICMP_EXC_FRAGTIME      1       /* Fragment Reass time
> exceeded */
>  
> +/* Codes for EXT_ECHO (Probe). */
> +#define ICMP_EXT_ECHO          42
> +#define ICMP_EXT_ECHOREPLY     43
> +
>  
>  struct icmphdr {
>    __u8         type;