From: yangxingwu <xingwu.yang@xxxxxxxxx> Date: Wed, 10 Jul 2019 21:14:10 +0800 > The length of AH header is computed manually as (hp->hdrlen+2)<<2. > However, in include/linux/ipv6.h, a macro named ipv6_authlen is > already defined for exactly the same job. This commit replaces > the manual computation code with the macro. > > Signed-off-by: yangxingwu <xingwu.yang@xxxxxxxxx> Applied.