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authorMark Cave-Ayland <mark.cave-ayland@ilande.co.uk>2017-12-15 18:41:49 +0000
committerJason Wang <jasowang@redhat.com>2017-12-22 10:01:27 +0800
commitd00d6d005424dd2447f8b0394e945909852a4282 (patch)
tree92bad253682bf609aae17fad1925938c063f9427 /hw/net
parent8f90bc2f8fbba3c98116e80afd537fb0ca90be2e (diff)
downloadqemu-d00d6d005424dd2447f8b0394e945909852a4282.tar.gz
eepro100: 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')
-rw-r--r--hw/net/eepro100.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/net/eepro100.c b/hw/net/eepro100.c
index e30fed830b..a07a63247e 100644
--- a/hw/net/eepro100.c
+++ b/hw/net/eepro100.c
@@ -1679,7 +1679,7 @@ static ssize_t nic_receive(NetClientState *nc, const uint8_t * buf, size_t size)
rfd_status |= 0x0004;
} else if (s->configuration[20] & BIT(6)) {
/* Multiple IA bit set. */
- unsigned mcast_idx = compute_mcast_idx(buf);
+ unsigned mcast_idx = net_crc32(buf, ETH_ALEN) >> 26;
assert(mcast_idx < 64);
if (s->mult[mcast_idx >> 3] & (1 << (mcast_idx & 7))) {
TRACE(RXTX, logout("%p accepted, multiple IA bit set\n", s));