Commit 4227be63 authored by Mark Cave-Ayland's avatar Mark Cave-Ayland Committed by Jason Wang
Browse files

ftgmac100: use inline net_crc32() and bitshift instead of compute_mcast_idx() 



This makes it much easier to compare the multicast CRC calculation endian and
bitshift against the Linux driver implementation.

Signed-off-by: default avatarMark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: default avatarJason Wang <jasowang@redhat.com>
parent eedeaee7

hw/net/ftgmac100.c

+1 −1
Original line number Diff line number Diff line
@@ -762,7 +762,7 @@ static int ftgmac100_filter(FTGMAC100State *s, const uint8_t *buf, size_t len) 
            }



            /* TODO: this does not seem to work for ftgmac100 */

            mcast_idx = compute_mcast_idx(buf);

            mcast_idx = net_crc32(buf, ETH_ALEN) >> 26;

            if (!(s->math[mcast_idx / 32] & (1 << (mcast_idx % 32)))) {

                return 0;

            }