GSMTAP / layer23 / wireshark updates

Harald Welte laforge at
Thu Mar 4 20:56:12 UTC 2010

Hi all,

in the latest git commit, there has been another update of the
wireshark gsmtap dissector patch.  It now
 * dissects the SACCH L1 header in front of SACCH frames
 * properly hands off SACCH payload so SI5/6 are decoded correctly
 * displays a summary of the GSMTAP header in the protocol tree
   like the following example
   "GSM TAP Header, ARFCN: 871 (Downlink), TS: 0, Channel: SDCCH/4 (0)"

I've submitted this to the wireshark team for review.  With some luck
it will pass this time

There is an example pcap file showing bidirectional traffic from current
osmocom-bb.git layer23.  I've attached it to

- Harald Welte <laforge at> 
"Privacy in residential applications is a desirable marketing option."
                                                  (ETSI EN 300 175-7 Ch. A6)

More information about the baseband-devel mailing list