diff options
| author | Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> | 2017-12-15 18:41:54 +0000 |
|---|---|---|
| committer | Jason Wang <jasowang@redhat.com> | 2017-12-22 10:01:27 +0800 |
| commit | e7a58fc71ca039ae46590e9395467cea283d259c (patch) | |
| tree | 29ef82d1cd75dfa64b22d1052424906a6a25424f /hw/net/rtl8139.c | |
| parent | 084e2b111bb9c809fd53563e3b5ef1ea3bef08ad (diff) | |
rtl8139: 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: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'hw/net/rtl8139.c')
| -rw-r--r-- | hw/net/rtl8139.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/net/rtl8139.c b/hw/net/rtl8139.c index a6b2a9f7a4..1cc95b8cba 100644 --- a/hw/net/rtl8139.c +++ b/hw/net/rtl8139.c @@ -882,7 +882,7 @@ static ssize_t rtl8139_do_receive(NetClientState *nc, const uint8_t *buf, size_t 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)))) { |