16 #include <zephyr/sys/crc.h>
26 #define RETAINED_CRC_OFFSET offsetof(struct retained_data, crc)
27 #define RETAINED_CHECKED_SIZE (RETAINED_CRC_OFFSET + sizeof(retained.crc))
36 	/* The residue of a CRC is what you get from the CRC over the  in retained_validate()
37 	 * message catenated with its CRC.  This is the post-final-xor  in retained_validate()
38 	 * residue for CRC-32 (CRC-32/ISO-HDLC) which Zephyr calls  in retained_validate()
42 	uint32_t crc = crc32_ieee((const uint8_t *)&retained,  in retained_validate()  local
44 	bool valid = (crc == residue);  in retained_validate()
46 	/* If the CRC isn't valid, reset the retained data. */  in retained_validate()
66 	uint32_t crc = crc32_ieee((const uint8_t *)&retained,  in retained_update()  local
69 	retained.crc = sys_cpu_to_le32(crc);  in retained_update()