trxcon/scheduler: enrich GSM 05.03 encoding error messages

Change-Id: I35a7c5df4fc0ed2195ba721f92812874011459d9

src/host/trxcon/sched_lchan_pdtch.c

@@ -146,7 +146,9 @@ int tx_pdtch_fn(struct trx_instance *trx, struct trx_ts *ts,
 	rc = gsm0503_pdtch_encode(buffer, lchan->prim->payload,
 		lchan->prim->payload_len);
 	if (rc) {
-		LOGP(DSCHD, LOGL_ERROR, "Failed to encode L2 payload\n");
+		LOGP(DSCHD, LOGL_ERROR, "Failed to encode L2 payload (len=%zu): %s\n",
+		     lchan->prim->payload_len, osmo_hexdump(lchan->prim->payload,
+							    lchan->prim->payload_len));
 
 		/* Forget this primitive */
 		sched_prim_drop(lchan);

src/host/trxcon/sched_lchan_rach.c

@@ -108,7 +108,8 @@ int tx_rach_fn(struct trx_instance *trx, struct trx_ts *ts,
 		/* Encode extended (11-bit) payload */
 		rc = gsm0503_rach_ext_encode(payload, ext_req->ra11, trx->bsic, true);
 		if (rc) {
-			LOGP(DSCHD, LOGL_ERROR, "Could not encode extended RACH burst\n");
+			LOGP(DSCHD, LOGL_ERROR, "Could not encode extended RACH burst "
+						"(ra=%u bsic=%u)\n", ext_req->ra11, trx->bsic);
 
 			/* Forget this primitive */
 			sched_prim_drop(lchan);
@@ -125,7 +126,8 @@ int tx_rach_fn(struct trx_instance *trx, struct trx_ts *ts,
 		/* Encode regular (8-bit) payload */
 		rc = gsm0503_rach_ext_encode(payload, req->ra, trx->bsic, false);
 		if (rc) {
-			LOGP(DSCHD, LOGL_ERROR, "Could not encode RACH burst\n");
+			LOGP(DSCHD, LOGL_ERROR, "Could not encode RACH burst "
+						"(ra=%u bsic=%u)\n", req->ra, trx->bsic);
 
 			/* Forget this primitive */
 			sched_prim_drop(lchan);

src/host/trxcon/sched_lchan_tchf.c

@@ -239,7 +239,9 @@ int tx_tchf_fn(struct trx_instance *trx, struct trx_ts *ts,
 	/* Encode payload */
 	rc = gsm0503_tch_fr_encode(buffer, lchan->prim->payload, l2_len, 1);
 	if (rc) {
-		LOGP(DSCHD, LOGL_ERROR, "Failed to encode L2 payload\n");
+		LOGP(DSCHD, LOGL_ERROR, "Failed to encode L2 payload (len=%zu): %s\n",
+		     lchan->prim->payload_len, osmo_hexdump(lchan->prim->payload,
+							    lchan->prim->payload_len));
 
 		/* Forget this primitive */
 		sched_prim_drop(lchan);

src/host/trxcon/sched_lchan_tchh.c

@@ -445,7 +445,9 @@ int tx_tchh_fn(struct trx_instance *trx, struct trx_ts *ts,
 	/* Encode the payload */
 	rc = gsm0503_tch_hr_encode(buffer, lchan->prim->payload, l2_len);
 	if (rc) {
-		LOGP(DSCHD, LOGL_ERROR, "Failed to encode L2 payload\n");
+		LOGP(DSCHD, LOGL_ERROR, "Failed to encode L2 payload (len=%zu): %s\n",
+		     lchan->prim->payload_len, osmo_hexdump(lchan->prim->payload,
+							    lchan->prim->payload_len));
 
 		/* Forget this primitive */
 		sched_prim_drop(lchan);

src/host/trxcon/sched_lchan_xcch.c

@@ -155,7 +155,9 @@ int tx_data_fn(struct trx_instance *trx, struct trx_ts *ts,
 	/* Encode payload */
 	rc = gsm0503_xcch_encode(buffer, lchan->prim->payload);
 	if (rc) {
-		LOGP(DSCHD, LOGL_ERROR, "Failed to encode L2 payload\n");
+		LOGP(DSCHD, LOGL_ERROR, "Failed to encode L2 payload (len=%zu): %s\n",
+		     lchan->prim->payload_len, osmo_hexdump(lchan->prim->payload,
+							    lchan->prim->payload_len));
 
 		/* Forget this primitive */
 		sched_prim_drop(lchan);