162 #define	FC_VERSION(fc)		((fc) & 0x3)  argument
163 #define	FC_TYPE(fc)		(((fc) >> 2) & 0x3)  argument
164 #define	FC_SUBTYPE(fc)		(((fc) >> 4) & 0xF)  argument
165 #define	FC_TO_DS(fc)		((fc) & 0x0100)  argument
166 #define	FC_FROM_DS(fc)		((fc) & 0x0200)  argument
167 #define	FC_MORE_FLAG(fc)	((fc) & 0x0400)  argument
168 #define	FC_RETRY(fc)		((fc) & 0x0800)  argument
169 #define	FC_POWER_MGMT(fc)	((fc) & 0x1000)  argument
170 #define	FC_MORE_DATA(fc)	((fc) & 0x2000)  argument
171 #define	FC_PROTECTED(fc)	((fc) & 0x4000)  argument
172 #define	FC_ORDER(fc)		((fc) & 0x8000)  argument
175 	nd_uint16_t	fc;  member
291 	nd_uint16_t	fc;  member
304 	nd_uint16_t	fc;  member
314 	nd_uint16_t	fc;  member
322 	nd_uint16_t	fc;  member
330 	nd_uint16_t	fc;  member
340 	nd_uint16_t	fc;  member
350 	nd_uint16_t	fc;  member
360 	nd_uint16_t	fc;  member
370 	nd_uint16_t	fc;  member
1768 		uint16_t fc, const uint8_t *src, const u_char *p, u_int length)  in mgmt_body_print()  argument
1770 	ND_PRINT("%s", tok2str(st_str, "Unhandled Management subtype(%x)", FC_SUBTYPE(fc)));  in mgmt_body_print()
1773 	if (FC_PROTECTED(fc))  in mgmt_body_print()
1775 	switch (FC_SUBTYPE(fc)) {  in mgmt_body_print()
1812 		uint16_t fc, const u_char *p)  in ctrl_body_print()  argument
1814 	ND_PRINT("%s", tok2str(ctrl_str, "Unknown Ctrl Subtype", FC_SUBTYPE(fc)));  in ctrl_body_print()
1815 	switch (FC_SUBTYPE(fc)) {  in ctrl_body_print()
1889 get_data_src_dst_mac(uint16_t fc, const u_char *p, const uint8_t **srcp,  in get_data_src_dst_mac()  argument
1897 	if (!FC_TO_DS(fc)) {  in get_data_src_dst_mac()
1898 		if (!FC_FROM_DS(fc)) {  in get_data_src_dst_mac()
1908 		if (!FC_FROM_DS(fc)) {  in get_data_src_dst_mac()
1941 data_header_print(netdissect_options *ndo, uint16_t fc, const u_char *p)  in data_header_print()  argument
1943 	u_int subtype = FC_SUBTYPE(fc);  in data_header_print()
1967 	if (!FC_TO_DS(fc) && !FC_FROM_DS(fc)) {  in data_header_print()
1971 	} else if (!FC_TO_DS(fc) && FC_FROM_DS(fc)) {  in data_header_print()
1975 	} else if (FC_TO_DS(fc) && !FC_FROM_DS(fc)) {  in data_header_print()
1979 	} else if (FC_TO_DS(fc) && FC_FROM_DS(fc)) {  in data_header_print()
2002 ctrl_header_print(netdissect_options *ndo, uint16_t fc, const u_char *p)  in ctrl_header_print()  argument
2004 	switch (FC_SUBTYPE(fc)) {  in ctrl_header_print()
2053 		      uint16_t fc)  in extract_header_length()  argument
2057 	switch (FC_TYPE(fc)) {  in extract_header_length()
2061 		switch (FC_SUBTYPE(fc)) {  in extract_header_length()
2081 			ND_PRINT("unknown 802.11 ctrl frame subtype (%u)", FC_SUBTYPE(fc));  in extract_header_length()
2085 		len = (FC_TO_DS(fc) && FC_FROM_DS(fc)) ? 30 : 24;  in extract_header_length()
2086 		if (DATA_FRAME_IS_QOS(FC_SUBTYPE(fc)))  in extract_header_length()
2090 		ND_PRINT("unknown 802.11 frame type (%u)", FC_TYPE(fc));  in extract_header_length()
2106 		      uint16_t fc, const u_char *p, u_int hdrlen,  in ieee_802_11_hdr_print()  argument
2110 		if (FC_MORE_DATA(fc))  in ieee_802_11_hdr_print()
2112 		if (FC_MORE_FLAG(fc))  in ieee_802_11_hdr_print()
2114 		if (FC_POWER_MGMT(fc))  in ieee_802_11_hdr_print()
2116 		if (FC_RETRY(fc))  in ieee_802_11_hdr_print()
2118 		if (FC_ORDER(fc))  in ieee_802_11_hdr_print()
2120 		if (FC_PROTECTED(fc))  in ieee_802_11_hdr_print()
2122 		if (FC_TYPE(fc) != T_CTRL || FC_SUBTYPE(fc) != CTRL_PS_POLL)  in ieee_802_11_hdr_print()
2142 	switch (FC_TYPE(fc)) {  in ieee_802_11_hdr_print()
2147 		ctrl_header_print(ndo, fc, p);  in ieee_802_11_hdr_print()
2150 		data_header_print(ndo, fc, p);  in ieee_802_11_hdr_print()
2162 	uint16_t fc;  in ieee802_11_print()  local
2187 	fc = GET_LE_U_2(p);  in ieee802_11_print()
2188 	hdrlen = extract_header_length(ndo, fc);  in ieee802_11_print()
2195 	if (ndo->ndo_Hflag && FC_TYPE(fc) == T_DATA &&  in ieee802_11_print()
2196 	    DATA_FRAME_IS_QOS(FC_SUBTYPE(fc))) {  in ieee802_11_print()
2212 		ieee_802_11_hdr_print(ndo, fc, p, hdrlen, meshdrlen);  in ieee802_11_print()
2223 	switch (FC_TYPE(fc)) {  in ieee802_11_print()
2226 		if (!mgmt_body_print(ndo, fc, src.addr, p, length)) {  in ieee802_11_print()
2232 		if (!ctrl_body_print(ndo, fc, p - hdrlen)) {  in ieee802_11_print()
2238 		if (DATA_FRAME_IS_NULL(FC_SUBTYPE(fc)))  in ieee802_11_print()
2241 		if (FC_PROTECTED(fc)) {  in ieee802_11_print()
2248 			get_data_src_dst_mac(fc, p - hdrlen, &src.addr, &dst.addr);  in ieee802_11_print()