crc_ether.c

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/**
 * Implementation of Ethernet CRCs
 */
#include "crcr.h"
#include "crc_ether.h"

/**
 * Local data
 */
uint32_t ether_crc32_lut[256];
struct DECLARE_ALIGNED(crcr_pclmulqdq_ctx ether_crc32_clmul, 16) = {
        0xccaa009e,     /**< rk1 */
        0x1751997d0,    /**< rk2 */
        0xccaa009e,     /**< rk5 */
        0x163cd6124,    /**< rk6 */
        0x1f7011640,    /**< rk7 */
        0x1db710641     /**< rk8 */
};

/**
 * Implementation
 */

/**
 * @brief Initializes data structures for Ethernet crc32 calculations.
 *
 */
void EtherCrcInit(void)
{
        crcr32_init_lut(ETHERNET_CRC32_POLYNOMIAL, ether_crc32_lut);
}