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Date:   Thu,  3 Dec 2020 19:16:17 -0800
From:   Andreas Roeseler <>
Subject: [PATCH net-next 0/6] add support for RFC 8335 PROBE 

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 probed interfaces.
RFC 8335 attempts to solve these limitations by creating the new utility
PROBE which is a specialized ICMP message that makes use of the ICMP
Extention Structure outlined in RFC 4884.

This patchset adds definitions for the ICMP Extended Echo Request and
Reply (PROBE) types for both IPV4 and IPV6, adds a sysctl to enable 
response to PROBE messages, expands the list of supported ICMP messages
to accommodate PROBE types, and adds functionality to respond to PROBE

Andreas Roeseler (6):
  icmp: support for RFC 8335
  ICMPv6: support for RFC 8335
  net: add sysctl for enabling RFC 8335 PROBE messages
  net: add sysctl for enabling RFC 8335 PROBE messages
  net: add support for sending RFC 8335 PROBE messages
  icmp: add response to RFC 8335 PROBE messages

 include/net/netns/ipv4.h    |   1 +
 include/uapi/linux/icmp.h   |  22 ++++++
 include/uapi/linux/icmpv6.h |   6 ++
 net/ipv4/icmp.c             | 135 +++++++++++++++++++++++++++++++++---
 net/ipv4/ping.c             |   4 +-
 net/ipv4/sysctl_net_ipv4.c  |   7 ++
 6 files changed, 164 insertions(+), 11 deletions(-)


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