contrib/tcpdump/print-802_11.c

164 #define	FC_VERSION(fc)		((fc) & 0x3)
165 #define	FC_TYPE(fc)		(((fc) >> 2) & 0x3)
166 #define	FC_SUBTYPE(fc)		(((fc) >> 4) & 0xF)
167 #define	FC_TO_DS(fc)		((fc) & 0x0100)
168 #define	FC_FROM_DS(fc)		((fc) & 0x0200)
169 #define	FC_MORE_FLAG(fc)	((fc) & 0x0400)
170 #define	FC_RETRY(fc)		((fc) & 0x0800)
171 #define	FC_POWER_MGMT(fc)	((fc) & 0x1000)
172 #define	FC_MORE_DATA(fc)	((fc) & 0x2000)
173 #define	FC_PROTECTED(fc)	((fc) & 0x4000)
174 #define	FC_ORDER(fc)		((fc) & 0x8000)
177 	uint16_t	fc;
300 	uint16_t	fc;
313 	uint16_t	fc;
323 	uint16_t	fc;
331 	uint16_t	fc;
339 	uint16_t	fc;
349 	uint16_t	fc;
359 	uint16_t	fc;
369 	uint16_t	fc;
377 	uint16_t	fc;
1621                 uint16_t fc, const uint8_t *src, const u_char *p, u_int length)
1623 	ND_PRINT((ndo, "%s", tok2str(st_str, "Unhandled Management subtype(%x)", FC_SUBTYPE(fc))));
1626 	if (FC_PROTECTED(fc))
1628 	switch (FC_SUBTYPE(fc)) {
1665                 uint16_t fc, const u_char *p)
1667 	ND_PRINT((ndo, "%s", tok2str(ctrl_str, "Unknown Ctrl Subtype", FC_SUBTYPE(fc))));
1668 	switch (FC_SUBTYPE(fc)) {
1748 get_data_src_dst_mac(uint16_t fc, const u_char *p, const uint8_t **srcp,
1756 	if (!FC_TO_DS(fc)) {
1757 		if (!FC_FROM_DS(fc)) {
1767 		if (!FC_FROM_DS(fc)) {
1800 data_header_print(netdissect_options *ndo, uint16_t fc, const u_char *p)
1802 	u_int subtype = FC_SUBTYPE(fc);
1826 	if (!FC_TO_DS(fc) && !FC_FROM_DS(fc)) {
1830 	} else if (!FC_TO_DS(fc) && FC_FROM_DS(fc)) {
1834 	} else if (FC_TO_DS(fc) && !FC_FROM_DS(fc)) {
1838 	} else if (FC_TO_DS(fc) && FC_FROM_DS(fc)) {
1861 ctrl_header_print(netdissect_options *ndo, uint16_t fc, const u_char *p)
1863 	switch (FC_SUBTYPE(fc)) {
1911                       uint16_t fc)
1915 	switch (FC_TYPE(fc)) {
1919 		switch (FC_SUBTYPE(fc)) {
1939 			ND_PRINT((ndo, "unknown 802.11 ctrl frame subtype (%d)", FC_SUBTYPE(fc)));
1943 		len = (FC_TO_DS(fc) && FC_FROM_DS(fc)) ? 30 : 24;
1944 		if (DATA_FRAME_IS_QOS(FC_SUBTYPE(fc)))
1948 		ND_PRINT((ndo, "unknown 802.11 frame type (%d)", FC_TYPE(fc)));
1964                       uint16_t fc, const u_char *p, u_int hdrlen,
1968 		if (FC_MORE_DATA(fc))
1970 		if (FC_MORE_FLAG(fc))
1972 		if (FC_POWER_MGMT(fc))
1974 		if (FC_RETRY(fc))
1976 		if (FC_ORDER(fc))
1978 		if (FC_PROTECTED(fc))
1980 		if (FC_TYPE(fc) != T_CTRL || FC_SUBTYPE(fc) != CTRL_PS_POLL)
2001 	switch (FC_TYPE(fc)) {
2006 		ctrl_header_print(ndo, fc, p);
2009 		data_header_print(ndo, fc, p);
2027 	uint16_t fc;
2051 	fc = EXTRACT_LE_16BITS(p);
2052 	hdrlen = extract_header_length(ndo, fc);
2059 	if (ndo->ndo_Hflag && FC_TYPE(fc) == T_DATA &&
2060 	    DATA_FRAME_IS_QOS(FC_SUBTYPE(fc))) {
2076 		ieee_802_11_hdr_print(ndo, fc, p, hdrlen, meshdrlen);
2087 	switch (FC_TYPE(fc)) {
2090 		if (!mgmt_body_print(ndo, fc, src.addr, p, length)) {
2096 		if (!ctrl_body_print(ndo, fc, p - hdrlen)) {
2102 		if (DATA_FRAME_IS_NULL(FC_SUBTYPE(fc)))
2105 		if (FC_PROTECTED(fc)) {
2112 			get_data_src_dst_mac(fc, p - hdrlen, &src.addr, &dst.addr);