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rtl8139: use inline net_crc32() and bitshift instead of compute_mcast_idx()

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

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Mark Cave-Ayland 2017-12-15 18:41:54 +00:00 • committed by Jason Wang
parent 084e2b111b
commit e7a58fc71c
1 changed files with 1 additions and 1 deletions
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2
hw/net/rtl8139.c
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@ -882,7 +882,7 @@ static ssize_t rtl8139_do_receive(NetClientState *nc, const uint8_t *buf, size_t
return size; return size;
} }
int mcast_idx = compute_mcast_idx(buf); int mcast_idx = net_crc32(buf, ETH_ALEN) >> 26;
if (!(s->mult[mcast_idx >> 3] & (1 << (mcast_idx & 7)))) if (!(s->mult[mcast_idx >> 3] & (1 << (mcast_idx & 7))))
{ {