netdev - [PATCH net-next V6 2/6] ICMPV6: add support for RFC 8335 PROBE

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Message-Id: <3d570c53c4b3f4932a6011a699db06e732cb7b0c.1617067968.git.andreas.a.roeseler@gmail.com>
Date:   Mon, 29 Mar 2021 18:45:21 -0700
From:   Andreas Roeseler <andreas.a.roeseler@...il.com>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, yoshfuji@...ux-ipv6.org, dsahern@...nel.org,
        kuba@...nel.org, Andreas Roeseler <andreas.a.roeseler@...il.com>
Subject: [PATCH net-next V6 2/6] ICMPV6: add support for RFC 8335 PROBE

Add definitions for the ICMPV6 type of Extended Echo Request and
Extended Echo Reply, as defined by sections 2 and 3 of RFC 8335.

Signed-off-by: Andreas Roeseler <andreas.a.roeseler@...il.com>
---
 include/uapi/linux/icmpv6.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/uapi/linux/icmpv6.h b/include/uapi/linux/icmpv6.h
index 0564fd7ccde4..ecaece3af38d 100644
--- a/include/uapi/linux/icmpv6.h
+++ b/include/uapi/linux/icmpv6.h
@@ -140,6 +140,9 @@ 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
  */
-- 
2.17.1