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-rw-r--r--Transceiver52M/Transceiver.cpp12
1 files changed, 12 insertions, 0 deletions
diff --git a/Transceiver52M/Transceiver.cpp b/Transceiver52M/Transceiver.cpp
index 368ed3f..a12c5bc 100644
--- a/Transceiver52M/Transceiver.cpp
+++ b/Transceiver52M/Transceiver.cpp
@@ -943,6 +943,18 @@ bool Transceiver::driveTxPriorityQueue(size_t chan)
/* Convert TDMA FN to the host endianness */
fn = osmo_load32be(&chdr->fn);
+ /* Make sure we support the received header format */
+ switch (chdr->version) {
+ case 0:
+ /* Version 1 has the same format */
+ case 1:
+ break;
+
+ default:
+ LOG(ERR) << "Rx TRXD message with unknown header version " << chdr->version;
+ return false;
+ }
+
LOG(DEBUG) << "rcvd. burst at: " << GSM::Time(fn, chdr->tn);
int RSSI = (int) buffer[5];