|  | #include <net/ieee80211_radiotap.h> | 
|  |  | 
|  | struct tx_radiotap_hdr { | 
|  | struct ieee80211_radiotap_header hdr; | 
|  | u8 rate; | 
|  | u8 txpower; | 
|  | u8 rts_retries; | 
|  | u8 data_retries; | 
|  | } __packed; | 
|  |  | 
|  | #define TX_RADIOTAP_PRESENT (				\ | 
|  | (1 << IEEE80211_RADIOTAP_RATE) |		\ | 
|  | (1 << IEEE80211_RADIOTAP_DBM_TX_POWER) |	\ | 
|  | (1 << IEEE80211_RADIOTAP_RTS_RETRIES) |		\ | 
|  | (1 << IEEE80211_RADIOTAP_DATA_RETRIES)  |	\ | 
|  | 0) | 
|  |  | 
|  | #define IEEE80211_FC_VERSION_MASK    0x0003 | 
|  | #define IEEE80211_FC_TYPE_MASK       0x000c | 
|  | #define IEEE80211_FC_TYPE_MGT        0x0000 | 
|  | #define IEEE80211_FC_TYPE_CTL        0x0004 | 
|  | #define IEEE80211_FC_TYPE_DATA       0x0008 | 
|  | #define IEEE80211_FC_SUBTYPE_MASK    0x00f0 | 
|  | #define IEEE80211_FC_TOFROMDS_MASK   0x0300 | 
|  | #define IEEE80211_FC_TODS_MASK       0x0100 | 
|  | #define IEEE80211_FC_FROMDS_MASK     0x0200 | 
|  | #define IEEE80211_FC_NODS            0x0000 | 
|  | #define IEEE80211_FC_TODS            0x0100 | 
|  | #define IEEE80211_FC_FROMDS          0x0200 | 
|  | #define IEEE80211_FC_DSTODS          0x0300 | 
|  |  | 
|  | struct rx_radiotap_hdr { | 
|  | struct ieee80211_radiotap_header hdr; | 
|  | u8 flags; | 
|  | u8 rate; | 
|  | u8 antsignal; | 
|  | } __packed; | 
|  |  | 
|  | #define RX_RADIOTAP_PRESENT (			\ | 
|  | (1 << IEEE80211_RADIOTAP_FLAGS) |	\ | 
|  | (1 << IEEE80211_RADIOTAP_RATE) |	\ | 
|  | (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) |\ | 
|  | 0) | 
|  |  |