- uint8_t dst_ip_mask:1, /* if mask is 1b, do not compare dst ip. */
- src_ip_mask:1, /* if mask is 1b, do not compare src ip. */
- dst_port_mask:1, /* if mask is 1b, do not compare dst port. */
- src_port_mask:1, /* if mask is 1b, do not compare src port. */
- proto_mask:1; /* if mask is 1b, do not compare protocol. */