Added CRC match function and simplify CRC check

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

@@ -47,7 +47,6 @@ SRSRAN_API uint32_t srsran_crc_attach_byte(srsran_crc_t* h, uint8_t* data, int l
 
 static inline void srsran_crc_checksum_put_byte(srsran_crc_t* h, uint8_t byte)
 {
-
   uint64_t crc = h->crcinit;
 
   uint32_t idx;
@@ -74,6 +73,8 @@ SRSRAN_API uint32_t srsran_crc_checksum_byte(srsran_crc_t* h, const uint8_t* dat
 
 SRSRAN_API uint32_t srsran_crc_checksum(srsran_crc_t* h, uint8_t* data, int len);
 
+SRSRAN_API bool srsran_crc_match_byte(srsran_crc_t* h, uint8_t* data, int len);
+
 SRSRAN_API bool srsran_crc_match(srsran_crc_t* h, uint8_t* data, int len);
 
 #endif // SRSRAN_CRC_H

lib/src/phy/fec/crc.c

@@ -177,8 +177,10 @@ uint32_t srsran_crc_attach(srsran_crc_t* h, uint8_t* data, int len)
 
 bool srsran_crc_match(srsran_crc_t* h, uint8_t* data, int len)
 {
-  uint8_t* ptr       = &data[len];
-  uint32_t checksum1 = srsran_crc_checksum(h, data, len);
-  uint32_t checksum2 = srsran_bit_pack(&ptr, h->order);
-  return (checksum1 == checksum2);
+  return srsran_crc_checksum(h, data, len + h->order) == 0;
+}
+
+bool srsran_crc_match_byte(srsran_crc_t* h, uint8_t* data, int len)
+{
+  return srsran_crc_checksum_byte(h, data, len + h->order) == 0;
 }