Re: [PATCH v4 net-next 0/3] add support for sending RFC8335 PROBE

[David Ahern]

On 11/17/20 5:46 PM, Andreas Roeseler wrote:
> The popular utility ping has several severe limitations such as the
> inability to query specific  interfaces on a node and requiring
> bidirectional connectivity between the probing and the probed
> interfaces. RFC8335 attempts to solve these limitations by creating the
> new utility PROBE which is a specialized ICMP message that makes use of
> the ICMP Extension Structure outlined in RFC4884.
> 
> This patchset adds definitions for the ICMP Extended Echo Request and
> Reply (PROBE) types for both IPv4 and IPv6. It also expands the list of
> supported ICMP messages to accommodate PROBEs.
> 

You are updating the send, but what about the response side?