On 12/05/2017 05:17 AM, Mark Cave-Ayland wrote:
> Signed-off-by: Mark Cave-Ayland <mark.cave-ayl...@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4...@amsat.org>
> ---
> hw/net/pcnet.c | 16 +---------------
> 1 file changed, 1 insertion(+), 15 deletions(-)
>
> diff --git a/hw/net/pcnet.c b/hw/net/pcnet.c
> index 654455355f..c050993aa9 100644
> --- a/hw/net/pcnet.c
> +++ b/hw/net/pcnet.c
> @@ -522,23 +522,9 @@ static inline void pcnet_rmd_store(PCNetState *s, struct
> pcnet_RMD *rmd,
> be16_to_cpu(hdr->ether_type)); \
> } while (0)
>
> -#define MULTICAST_FILTER_LEN 8
> -
> static inline uint32_t lnc_mchash(const uint8_t *ether_addr)
> {
> -#define LNC_POLYNOMIAL 0xEDB88320UL
> - uint32_t crc = 0xFFFFFFFF;
> - int idx, bit;
> - uint8_t data;
> -
> - for (idx = 0; idx < 6; idx++) {
> - for (data = *ether_addr++, bit = 0; bit < MULTICAST_FILTER_LEN;
> bit++) {
> - crc = (crc >> 1) ^ (((crc ^ data) & 1) ? LNC_POLYNOMIAL : 0);
> - data >>= 1;
> - }
> - }
> - return crc;
> -#undef LNC_POLYNOMIAL
> + return net_crc32_le(ether_addr, 6);
> }
>
> #define CRC(crc, ch) (crc = (crc >> 8) ^ crctab[(crc ^ (ch)) & 0xff])
>
