ocelot_vcap_u8
struct ocelot_vcap_u8 proto, ds;
struct ocelot_vcap_u8 proto = ipv4->proto;
struct ocelot_vcap_u8 pcp; /* PCP (3 bit) */
struct ocelot_vcap_u8 ds;
struct ocelot_vcap_u8 proto; /* Protocol */
struct ocelot_vcap_u8 proto; /* IPv6 protocol */
struct ocelot_vcap_u8 ds;