Implemented softbuffer RX CRC reset

lib/include/srsran/phy/fec/softbuffer.h

@@ -65,6 +65,15 @@ SRSRAN_API void srsran_softbuffer_rx_reset_cb(srsran_softbuffer_rx_t* q, uint32_
 
 SRSRAN_API void srsran_softbuffer_rx_free(srsran_softbuffer_rx_t* p);
 
+/**
+ * @brief Resets a number of CB CRCs
+ * @note This function is intended to be used if all CB CRC have matched but the TB CRC failed. In this case, all CB
+ * should be decoded again
+ * @param q Rx soft-buffer object
+ * @param nof_cb Number of CB to reset
+ */
+SRSRAN_API void srsran_softbuffer_rx_reset_cb_crc(srsran_softbuffer_rx_t* q, uint32_t nof_cb);
+
 SRSRAN_API int srsran_softbuffer_tx_init(srsran_softbuffer_tx_t* q, uint32_t nof_prb);
 
 /**

lib/src/phy/fec/softbuffer.c

@@ -159,6 +159,15 @@ void srsran_softbuffer_rx_reset_cb(srsran_softbuffer_rx_t* q, uint32_t nof_cb)
   q->tb_crc = false;
 }
 
+void srsran_softbuffer_rx_reset_cb_crc(srsran_softbuffer_rx_t* q, uint32_t nof_cb)
+{
+  if (q == NULL || nof_cb == 0) {
+    return;
+  }
+
+  SRSRAN_MEM_ZERO(q->cb_crc, bool, SRSRAN_MIN(q->max_cb, nof_cb));
+}
+
 int srsran_softbuffer_tx_init(srsran_softbuffer_tx_t* q, uint32_t nof_prb)
 {
   int ret = srsran_ra_tbs_from_idx(SRSRAN_RA_NOF_TBS_IDX - 1, nof_prb);