diff options
author | Piotr Krysik <perper@o2.pl> | 2009-06-30 23:10:11 +0200 |
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committer | Piotr Krysik <perper@o2.pl> | 2009-06-30 23:10:11 +0200 |
commit | 3f91ce4f1c4a047a94497041b82c77c815d52a1f (patch) | |
tree | ed787719fb4e89670cc2161ecd4136c554834686 /gsm-receiver/src/lib/decoder/gsmtap.h | |
parent | 26a95cc318fcc8022a42f679d81b41d949771b8d (diff) | |
parent | 8d2bc49fb9e0c9a5fbd75aa3cad207608e72bf99 (diff) |
Merge branch 'moving_to_airprobe'
Diffstat (limited to 'gsm-receiver/src/lib/decoder/gsmtap.h')
-rw-r--r-- | gsm-receiver/src/lib/decoder/gsmtap.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/gsm-receiver/src/lib/decoder/gsmtap.h b/gsm-receiver/src/lib/decoder/gsmtap.h new file mode 100644 index 0000000..1022194 --- /dev/null +++ b/gsm-receiver/src/lib/decoder/gsmtap.h @@ -0,0 +1,41 @@ +#ifndef _GSMTAP_H +#define _GSMTAP_H + +/* gsmtap header, pseudo-header in front of the actua GSM payload*/ + +#include <sys/types.h> + +#define GSMTAP_VERSION 0x01 + +#define GSMTAP_TYPE_UM 0x01 +#define GSMTAP_TYPE_ABIS 0x02 +#define GSMTAP_TYPE_UM_BURST 0x03 /* raw burst bits */ + +#define GSMTAP_BURST_UNKNOWN 0x00 +#define GSMTAP_BURST_FCCH 0x01 +#define GSMTAP_BURST_PARTIAL_SCH 0x02 +#define GSMTAP_BURST_SCH 0x03 +#define GSMTAP_BURST_CTS_SCH 0x04 +#define GSMTAP_BURST_COMPACT_SCH 0x05 +#define GSMTAP_BURST_NORMAL 0x06 +#define GSMTAP_BURST_DUMMY 0x07 +#define GSMTAP_BURST_ACCESS 0x08 + +struct gsmtap_hdr { + u_int8_t version; /* version, set to 0x01 currently */ + u_int8_t hdr_len; /* length in number of 32bit words */ + u_int8_t type; /* see GSMTAP_TYPE_* */ + u_int8_t timeslot; /* timeslot (0..7 on Um) */ + + u_int16_t arfcn; /* ARFCN (frequency) */ + u_int8_t noise_db; /* noise figure in dB */ + u_int8_t signal_db; /* signal level in dB */ + + u_int32_t frame_number; /* GSM Frame Number (FN) */ + + u_int8_t burst_type; /* Type of burst, see above */ + u_int8_t antenna_nr; /* Antenna Number */ + u_int16_t res; /* reserved for future use (RFU) */ + +} __attribute__((packed)); +#endif /* _GSMTAP_H */ |