9 uint16_t crc16(uint16_t poly, uint16_t seed, const uint8_t *src, size_t len)  in crc16()  argument
11 	uint16_t crc = seed;  in crc16()
30 uint16_t crc16_reflect(uint16_t poly, uint16_t seed, const uint8_t *src, size_t len)  in crc16_reflect()  argument
32 	uint16_t crc = seed;  in crc16_reflect()
52 uint16_t crc16_ccitt(uint16_t seed, const uint8_t *src, size_t len)  in crc16_ccitt()  argument
57 		e = seed ^ *src;  in crc16_ccitt()
60 		seed = (seed >> 8) ^ ((uint16_t)f << 8) ^ ((uint16_t)f << 3) ^ ((uint16_t)f >> 4);  in crc16_ccitt()
63 	return seed;  in crc16_ccitt()
66 uint16_t crc16_itu_t(uint16_t seed, const uint8_t *src, size_t len)  in crc16_itu_t()  argument
69 		seed = (seed >> 8U) | (seed << 8U);  in crc16_itu_t()
70 		seed ^= *src;  in crc16_itu_t()
72 		seed ^= (seed & 0xffU) >> 4U;  in crc16_itu_t()
73 		seed ^= seed << 12U;  in crc16_itu_t()
74 		seed ^= (seed & 0xffU) << 5U;  in crc16_itu_t()
77 	return seed;  in crc16_itu_t()