[PATCH v4 net-next 2/3] ICMPv6: define PROBE message types

[Andreas Roeseler]

The types of ICMPV6 Extended Echo Request and ICMPV6 Extended Echo Reply
are defined in sections 2 and 3 of RFC8335.

Signed-off-by: Andreas Roeseler <andreas.a.roeseler@xxxxxxxxx>
---
Changes since v1:
 - Switch to correct base tree

Changes since v2:
 - Switch to net-next tree 67c70b5eb2bf7d0496fcb62d308dc3096bc11553

Changes since v3:
 - Reorder patches to add defines first
---
 include/uapi/linux/icmpv6.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/uapi/linux/icmpv6.h b/include/uapi/linux/icmpv6.h
index 0564fd7ccde4..54dbafdedca1 100644
--- a/include/uapi/linux/icmpv6.h
+++ b/include/uapi/linux/icmpv6.h
@@ -140,6 +140,12 @@ struct icmp6hdr {
 #define ICMPV6_UNK_OPTION		2
 #define ICMPV6_HDR_INCOMP		3
 
+/*
+ *	Codes for EXT_ECHO (Probe)
+ */
+#define ICMPV6_EXT_ECHO_REQUEST		160
+#define ICMPV6_EXT_ECHO_REPLY		161
+
 /*
  *	constants for (set|get)sockopt
  */
-- 
2.29.2