edge: Add gprs_rlcmac_pdch::rcv_block_egprs stub

This stub function gets called when an EGPRS data package arrives.

Sponsored-by: On-Waves ehf

2 files changed, 30 insertions, 0 deletions

diff --git a/src/bts.cpp b/src/bts.cpp
index 988d5f95..9f313c5c 100644
--- a/src/bts.cpp
+++ b/src/bts.cpp
@@ -1158,12 +1158,40 @@ int gprs_rlcmac_pdch::rcv_block(uint8_t *data, uint8_t len, uint32_t fn,
 	if (cs.isGprs())
 		return rcv_block_gprs(data, fn, meas, cs);
 
+	if (cs.isEgprs())
+		return rcv_block_egprs(data, fn, meas, cs);
+
 	bts()->decode_error();
 	LOGP(DRLCMACUL, LOGL_ERROR, "Unsupported coding scheme %s\n",
 		cs.name());
 	return -EINVAL;
 }
 
+int gprs_rlcmac_pdch::rcv_block_egprs(uint8_t *data, uint32_t fn,
+	struct pcu_l1_meas *meas, GprsCodingScheme cs)
+{
+	if (!bts()->bts_data()->egprs_enabled) {
+		LOGP(DRLCMACUL, LOGL_ERROR,
+			"Got %s RLC block but EGPRS is not enabled\n",
+			cs.name());
+		return -EINVAL;
+	}
+
+	if (!cs.isEgprsGmsk()) {
+		LOGP(DRLCMACUL, LOGL_ERROR,
+			"Got %s RLC block but EGPRS is not implemented for 8PSK yet\n",
+			cs.name());
+		bts()->decode_error();
+		return -EINVAL;
+	}
+
+	LOGP(DRLCMACUL, LOGL_ERROR,
+		"Got %s RLC block but EGPRS decoding is not implemented yet\n",
+		cs.name());
+	bts()->decode_error();
+	return -EINVAL;
+}
+
 int gprs_rlcmac_pdch::rcv_block_gprs(uint8_t *data, uint32_t fn,
 	struct pcu_l1_meas *meas, GprsCodingScheme cs)
 {
diff --git a/src/bts.h b/src/bts.h
index ecbc0c93..4650db1b 100644
--- a/src/bts.h
+++ b/src/bts.h
@@ -66,6 +66,8 @@ struct gprs_rlcmac_pdch {
 		struct pcu_l1_meas *meas);
 	int rcv_block_gprs(uint8_t *data, uint32_t fn,
 		struct pcu_l1_meas *meas, GprsCodingScheme cs);
+	int rcv_block_egprs(uint8_t *data, uint32_t fn,
+		struct pcu_l1_meas *meas, GprsCodingScheme cs);
 
 	gprs_rlcmac_bts *bts_data() const;
 	BTS *bts() const;