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| author | Harald Welte <laforge@gnumonks.org> | 2011-01-18 21:38:12 +0100 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2011-01-18 21:38:12 +0100 |
| commit | dba847822266ac144a519c1752f8941072f3897b (patch) | |
| tree | 57e18a1df859fec6a56d2741b4ee87c42e2e71ed | |
| parent | 5853f084a0212b7f50cbdd18cfbc15f90de240ff (diff) | |
gsmtap.h: Add some more comments
| -rw-r--r-- | include/osmocore/gsmtap.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/osmocore/gsmtap.h b/include/osmocore/gsmtap.h index 3f384a4f..c5dba794 100644 --- a/include/osmocore/gsmtap.h +++ b/include/osmocore/gsmtap.h @@ -21,6 +21,7 @@ #define GSMTAP_TYPE_UM_BURST 0x03 /* raw burst bits */ #define GSMTAP_TYPE_SIM 0x04 +/* sub-types for TYPE_UM_BURST */ #define GSMTAP_BURST_UNKNOWN 0x00 #define GSMTAP_BURST_FCCH 0x01 #define GSMTAP_BURST_PARTIAL_SCH 0x02 @@ -32,6 +33,7 @@ #define GSMTAP_BURST_ACCESS 0x08 #define GSMTAP_BURST_NONE 0x09 +/* sub-types for TYPE_UM */ #define GSMTAP_CHANNEL_UNKNOWN 0x00 #define GSMTAP_CHANNEL_BCCH 0x01 #define GSMTAP_CHANNEL_CCCH 0x02 @@ -45,10 +47,12 @@ #define GSMTAP_CHANNEL_TCH_H 0x0a #define GSMTAP_CHANNEL_ACCH 0x80 +/* flags for the ARFCN */ #define GSMTAP_ARFCN_F_PCS 0x8000 #define GSMTAP_ARFCN_F_UPLINK 0x4000 #define GSMTAP_ARFCN_MASK 0x3fff +/* IANA-assigned well-known UDP port for GSMTAP messages */ #define GSMTAP_UDP_PORT 4729 struct gsmtap_hdr { |