linux-kernel - [Internal review][PATCH stable v5.4 1/2] ICMPv6: Add ICMPv6 Parameter Problem, code 3 definition

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Message-Id: <20210129192741.117693-1-acj@cisco.com>
Date:   Sat, 30 Jan 2021 00:57:40 +0530
From:   Aviraj CJ <acj@...co.com>
To:     davem@...emloft.net, kuznet@....inr.ac.ru, yoshfuji@...ux-ipv6.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        gregkh@...uxfoundation.org, xe-linux-external@...co.com,
        acj@...co.com
Cc:     Hangbin Liu <liuhangbin@...il.com>,
        Jakub Kicinski <kuba@...nel.org>
Subject: [Internal review][PATCH stable v5.4 1/2] ICMPv6: Add ICMPv6 Parameter Problem, code 3 definition

From: Hangbin Liu <liuhangbin@...il.com>

commit b59e286be280fa3c2e94a0716ddcee6ba02bc8ba upstream.

Based on RFC7112, Section 6:

   IANA has added the following "Type 4 - Parameter Problem" message to
   the "Internet Control Message Protocol version 6 (ICMPv6) Parameters"
   registry:

      CODE     NAME/DESCRIPTION
       3       IPv6 First Fragment has incomplete IPv6 Header Chain

Signed-off-by: Hangbin Liu <liuhangbin@...il.com>
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
Signed-off-by: Aviraj CJ <acj@...co.com>
---
 include/uapi/linux/icmpv6.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/uapi/linux/icmpv6.h b/include/uapi/linux/icmpv6.h
index 2622b5a3e616..9a31ea2ad1cf 100644
--- a/include/uapi/linux/icmpv6.h
+++ b/include/uapi/linux/icmpv6.h
@@ -137,6 +137,7 @@ struct icmp6hdr {
 #define ICMPV6_HDR_FIELD		0
 #define ICMPV6_UNK_NEXTHDR		1
 #define ICMPV6_UNK_OPTION		2
+#define ICMPV6_HDR_INCOMP		3
 
 /*
  *	constants for (set|get)sockopt
-- 
2.26.2.Cisco