xfrm_user_expire
const struct xfrm_user_expire *src_ue = nlmsg_data(nlh_src);
struct xfrm_user_expire *dst_ue = nlmsg_data(dst);
struct xfrm_user_expire *ue = nlmsg_data(nlh);
[XFRM_MSG_EXPIRE - XFRM_MSG_BASE] = XMSGSIZE(xfrm_user_expire),
return NLMSG_ALIGN(sizeof(struct xfrm_user_expire)) +
struct xfrm_user_expire *ue;
struct xfrm_user_expire expire;