os_subtype        266 net/pf_osfp.c  	int os_class, os_version, os_subtype;
os_subtype        275 net/pf_osfp.c  	PF_OSFP_UNPACK(os, os_class, os_version, os_subtype);
os_subtype        280 net/pf_osfp.c  		    (os_subtype == PF_OSFP_ANY || en_subtype == os_subtype)) {