#include <linux/if_ether.h>
#include <linux/kernel.h>
-//#include <asm/unaligned.h>
+//
#include <asm/unaligned.h>
/* Base version of the radiotap packet header data */
#define PKTHDR_RADIOTAP_VERSION 0
* The radio capture header precedes the 802.11 header.
* All data in the header is little endian on all platforms.
*/
-struct ieee80211_radiotap_header {
- u8 it_version; /* Version 0. Only increases
- * for drastic changes,
- * introduction of compatible
- * new fields does not count.
- */
- u8 it_pad;
- __le16 it_len; /* length of the whole
- * header in bytes, including
- * it_version, it_pad,
- * it_len, and data fields.
- */
- __le32 it_present; /* A bitmap telling which
- * fields are present. Set bit 31
- * (0x80000000) to extend the
- * bitmap by another 32 bits.
- * Additional extensions are made
- * by setting bit 31.
- */
+struct ieee80211_radiotap_header
+{
+ u8 it_version; /* Version 0. Only increases
+ * for drastic changes,
+ * introduction of compatible
+ * new fields does not count.
+ */
+ u8 it_pad;
+ __le16 it_len; /* length of the whole
+ * header in bytes, including
+ * it_version, it_pad,
+ * it_len, and data fields.
+ */
+ __le32 it_present; /* A bitmap telling which
+ * fields are present. Set bit 31
+ * (0x80000000) to extend the
+ * bitmap by another 32 bits.
+ * Additional extensions are made
+ * by setting bit 31.
+ */
} __packed;
/* Name Data type Units
* Number of unicast retries a transmitted frame used.
*
*/
-enum ieee80211_radiotap_type {
- IEEE80211_RADIOTAP_TSFT = 0,
- IEEE80211_RADIOTAP_FLAGS = 1,
- IEEE80211_RADIOTAP_RATE = 2,
- IEEE80211_RADIOTAP_CHANNEL = 3,
- IEEE80211_RADIOTAP_FHSS = 4,
- IEEE80211_RADIOTAP_DBM_ANTSIGNAL = 5,
- IEEE80211_RADIOTAP_DBM_ANTNOISE = 6,
- IEEE80211_RADIOTAP_LOCK_QUALITY = 7,
- IEEE80211_RADIOTAP_TX_ATTENUATION = 8,
- IEEE80211_RADIOTAP_DB_TX_ATTENUATION = 9,
- IEEE80211_RADIOTAP_DBM_TX_POWER = 10,
- IEEE80211_RADIOTAP_ANTENNA = 11,
- IEEE80211_RADIOTAP_DB_ANTSIGNAL = 12,
- IEEE80211_RADIOTAP_DB_ANTNOISE = 13,
- IEEE80211_RADIOTAP_RX_FLAGS = 14,
- IEEE80211_RADIOTAP_TX_FLAGS = 15,
- IEEE80211_RADIOTAP_RTS_RETRIES = 16,
- IEEE80211_RADIOTAP_DATA_RETRIES = 17,
+enum ieee80211_radiotap_type
+{
+ IEEE80211_RADIOTAP_TSFT = 0,
+ IEEE80211_RADIOTAP_FLAGS = 1,
+ IEEE80211_RADIOTAP_RATE = 2,
+ IEEE80211_RADIOTAP_CHANNEL = 3,
+ IEEE80211_RADIOTAP_FHSS = 4,
+ IEEE80211_RADIOTAP_DBM_ANTSIGNAL = 5,
+ IEEE80211_RADIOTAP_DBM_ANTNOISE = 6,
+ IEEE80211_RADIOTAP_LOCK_QUALITY = 7,
+ IEEE80211_RADIOTAP_TX_ATTENUATION = 8,
+ IEEE80211_RADIOTAP_DB_TX_ATTENUATION = 9,
+ IEEE80211_RADIOTAP_DBM_TX_POWER = 10,
+ IEEE80211_RADIOTAP_ANTENNA = 11,
+ IEEE80211_RADIOTAP_DB_ANTSIGNAL = 12,
+ IEEE80211_RADIOTAP_DB_ANTNOISE = 13,
+ IEEE80211_RADIOTAP_RX_FLAGS = 14,
+ IEEE80211_RADIOTAP_TX_FLAGS = 15,
+ IEEE80211_RADIOTAP_RTS_RETRIES = 16,
+ IEEE80211_RADIOTAP_DATA_RETRIES = 17,
- /* valid in every it_present bitmap, even vendor namespaces */
- IEEE80211_RADIOTAP_RADIOTAP_NAMESPACE = 29,
- IEEE80211_RADIOTAP_VENDOR_NAMESPACE = 30,
- IEEE80211_RADIOTAP_EXT = 31
+ /* valid in every it_present bitmap, even vendor namespaces */
+ IEEE80211_RADIOTAP_RADIOTAP_NAMESPACE = 29,
+ IEEE80211_RADIOTAP_VENDOR_NAMESPACE = 30,
+ IEEE80211_RADIOTAP_EXT = 31
};
/* Channel flags. */
-#define IEEE80211_CHAN_TURBO 0x0010 /* Turbo channel */
-#define IEEE80211_CHAN_CCK 0x0020 /* CCK channel */
-#define IEEE80211_CHAN_OFDM 0x0040 /* OFDM channel */
-#define IEEE80211_CHAN_2GHZ 0x0080 /* 2 GHz spectrum channel. */
-#define IEEE80211_CHAN_5GHZ 0x0100 /* 5 GHz spectrum channel */
-#define IEEE80211_CHAN_PASSIVE 0x0200 /* Only passive scan allowed */
-#define IEEE80211_CHAN_DYN 0x0400 /* Dynamic CCK-OFDM channel */
-#define IEEE80211_CHAN_GFSK 0x0800 /* GFSK channel (FHSS PHY) */
+#define IEEE80211_CHAN_TURBO 0x0010 /* Turbo channel */
+#define IEEE80211_CHAN_CCK 0x0020 /* CCK channel */
+#define IEEE80211_CHAN_OFDM 0x0040 /* OFDM channel */
+#define IEEE80211_CHAN_2GHZ 0x0080 /* 2 GHz spectrum channel. */
+#define IEEE80211_CHAN_5GHZ 0x0100 /* 5 GHz spectrum channel */
+#define IEEE80211_CHAN_PASSIVE 0x0200 /* Only passive scan allowed */
+#define IEEE80211_CHAN_DYN 0x0400 /* Dynamic CCK-OFDM channel */
+#define IEEE80211_CHAN_GFSK 0x0800 /* GFSK channel (FHSS PHY) */
/* For IEEE80211_RADIOTAP_FLAGS */
-#define IEEE80211_RADIOTAP_F_CFP 0x01 /* sent/received
- * during CFP
- */
-#define IEEE80211_RADIOTAP_F_SHORTPRE 0x02 /* sent/received
- * with short
- * preamble
- */
-#define IEEE80211_RADIOTAP_F_WEP 0x04 /* sent/received
- * with WEP encryption
- */
-#define IEEE80211_RADIOTAP_F_FRAG 0x08 /* sent/received
- * with fragmentation
- */
-#define IEEE80211_RADIOTAP_F_FCS 0x10 /* frame includes FCS */
-#define IEEE80211_RADIOTAP_F_DATAPAD 0x20 /* frame has padding between
- * 802.11 header and payload
- * (to 32-bit boundary)
- */
-#define IEEE80211_RADIOTAP_F_BADFCS 0x40 /* bad FCS */
+#define IEEE80211_RADIOTAP_F_CFP 0x01 /* sent/received
+ * during CFP
+ */
+#define IEEE80211_RADIOTAP_F_SHORTPRE 0x02 /* sent/received
+ * with short
+ * preamble
+ */
+#define IEEE80211_RADIOTAP_F_WEP 0x04 /* sent/received
+ * with WEP encryption
+ */
+#define IEEE80211_RADIOTAP_F_FRAG 0x08 /* sent/received
+ * with fragmentation
+ */
+#define IEEE80211_RADIOTAP_F_FCS 0x10 /* frame includes FCS */
+#define IEEE80211_RADIOTAP_F_DATAPAD 0x20 /* frame has padding between
+ * 802.11 header and payload
+ * (to 32-bit boundary)
+ */
+#define IEEE80211_RADIOTAP_F_BADFCS 0x40 /* bad FCS */
/* For IEEE80211_RADIOTAP_RX_FLAGS */
-#define IEEE80211_RADIOTAP_F_RX_BADPLCP 0x0002 /* frame has bad PLCP */
+#define IEEE80211_RADIOTAP_F_RX_BADPLCP 0x0002 /* frame has bad PLCP */
/* For IEEE80211_RADIOTAP_TX_FLAGS */
-#define IEEE80211_RADIOTAP_F_TX_FAIL 0x0001 /* failed due to excessive
- * retries */
-#define IEEE80211_RADIOTAP_F_TX_CTS 0x0002 /* used cts 'protection' */
-#define IEEE80211_RADIOTAP_F_TX_RTS 0x0004 /* used rts/cts handshake */
+#define IEEE80211_RADIOTAP_F_TX_FAIL 0x0001 /* failed due to excessive
+ * retries */
+#define IEEE80211_RADIOTAP_F_TX_CTS 0x0002 /* used cts 'protection' */
+#define IEEE80211_RADIOTAP_F_TX_RTS 0x0004 /* used rts/cts handshake */
/* Ugly macro to convert literal channel numbers into their mhz equivalents
* There are certianly some conditions that will break this (like feeding it '30')
((x) + 1000) * 5)
/* helpers */
-static inline int ieee80211_get_radiotap_len(unsigned char *data)
+static inline u16
+get_unaligned_le16 (const u8 *p)
+{
+ return p[0] | p[1] << 8;
+}
+
+
+static inline int
+ieee80211_get_radiotap_len (unsigned char *data)
{
- struct ieee80211_radiotap_header *hdr =
- (struct ieee80211_radiotap_header *)data;
+ struct ieee80211_radiotap_header *hdr =
+ (struct ieee80211_radiotap_header *) data;
- return get_unaligned_le16(&hdr->it_len);
+ return get_unaligned_le16 ((const u8 *) &hdr->it_len);
}
-#endif /* IEEE80211_RADIOTAP_H */
+#endif /* IEEE80211_RADIOTAP_H */
projects / oweals / gnunet.git / blobdiff