--- zzzz-none-000/linux-4.4.60/include/linux/ipv6.h 2017-04-08 07:53:53.000000000 +0000 +++ scorpion-1750e-727/linux-4.4.60/include/linux/ipv6.h 2021-02-04 17:41:59.000000000 +0000 @@ -5,6 +5,7 @@ #define ipv6_optlen(p) (((p)->hdrlen+1) << 3) #define ipv6_authlen(p) (((p)->hdrlen+2) << 2) + /* * This structure contains configuration options per IPv6 link. */