From: Hangbin Liu <liuhangbin@xxxxxxxxx> 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@xxxxxxxxx> Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx> Signed-off-by: Aviraj CJ <acj@xxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- include/uapi/linux/icmpv6.h | 1 + 1 file changed, 1 insertion(+) --- 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