|| (vip)->type == LB_VIP_TYPE_IP4_GRE4)
#define lb_vip_is_gre6(vip) ((vip)->type == LB_VIP_TYPE_IP6_GRE6 \
|| (vip)->type == LB_VIP_TYPE_IP4_GRE6)
|| (vip)->type == LB_VIP_TYPE_IP4_GRE4)
#define lb_vip_is_gre6(vip) ((vip)->type == LB_VIP_TYPE_IP6_GRE6 \
|| (vip)->type == LB_VIP_TYPE_IP4_GRE6)