tbf: Make create_new_bsn and create_dl_acked_block a method of DL TBF

These functions are only used for DL TBFs so move them.
sched_select_downlink() in src/gprs_rlcmac_sched.cpp now needs to deal
with DL TBFs instead of the base class.

Ticket: SYS#389
Sponsored-by: On-Waves ehf

1 files changed, 6 insertions, 4 deletions

diff --git a/src/tbf.h b/src/tbf.h
index 04ae1910..6681836a 100644
--- a/src/tbf.h
+++ b/src/tbf.h
@@ -121,7 +121,6 @@ struct gprs_rlcmac_tbf {
 	/* TODO: extract LLC class? */
 	int assemble_forward_llc(const gprs_rlc_data *data);
 
-	struct msgb *create_dl_acked_block(uint32_t fn, uint8_t ts);
 	struct msgb *create_dl_ass(uint32_t fn);
 	struct msgb *create_ul_ass(uint32_t fn);
 	struct msgb *create_ul_ack(uint32_t fn);
@@ -270,9 +269,6 @@ protected:
 	int extract_tlli(const uint8_t *data, const size_t len);
 	void maybe_schedule_uplink_acknack(const rlc_ul_header *rh);
 
-	struct msgb *create_dl_acked_block(const uint32_t fn, const uint8_t ts,
-					const int index, const bool fin_first_ack);
-	struct msgb *create_new_bsn(const uint32_t fn, const uint8_t ts);
 };
 
 
@@ -354,6 +350,12 @@ struct gprs_rlcmac_dl_tbf : public gprs_rlcmac_tbf {
 			const uint8_t *data, const uint16_t len);
 
 	int rcvd_dl_ack(uint8_t final, uint8_t ssn, uint8_t *rbb);
+	struct msgb *create_dl_acked_block(uint32_t fn, uint8_t ts);
+
+protected:
+	struct msgb *create_new_bsn(const uint32_t fn, const uint8_t ts);
+	struct msgb *create_dl_acked_block(const uint32_t fn, const uint8_t ts,
+					const int index, const bool fin_first_ack);
 };
 
 struct gprs_rlcmac_ul_tbf : public gprs_rlcmac_tbf {