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authorMark Cave-Ayland <mark.cave-ayland@ilande.co.uk>2017-12-15 18:41:54 +0000
committerJason Wang <jasowang@redhat.com>2017-12-22 10:01:27 +0800
commite7a58fc71ca039ae46590e9395467cea283d259c (patch)
tree29ef82d1cd75dfa64b22d1052424906a6a25424f /hw/net/rtl8139.c
parent084e2b111bb9c809fd53563e3b5ef1ea3bef08ad (diff)
downloadfocaccia-qemu-e7a58fc71ca039ae46590e9395467cea283d259c.tar.gz
focaccia-qemu-e7a58fc71ca039ae46590e9395467cea283d259c.zip
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.c2
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))))
             {