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authorMark Cave-Ayland <mark.cave-ayland@ilande.co.uk>2017-12-15 18:41:50 +0000
committerJason Wang <jasowang@redhat.com>2017-12-22 10:01:27 +0800
commit308913bb431104f34f5c2e35eaaf297ff3e8ec7b (patch)
tree3521f21dc153a1f9b54d429ef5135e6a7930cd75 /hw/net
parentd00d6d005424dd2447f8b0394e945909852a4282 (diff)
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opencores_eth: 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/opencores_eth.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/hw/net/opencores_eth.c b/hw/net/opencores_eth.c
index 268d6a7..d42b79c 100644
--- a/hw/net/opencores_eth.c
+++ b/hw/net/opencores_eth.c
@@ -36,6 +36,7 @@
#include "hw/net/mii.h"
#include "hw/sysbus.h"
#include "net/net.h"
+#include "net/eth.h"
#include "sysemu/sysemu.h"
#include "trace.h"
@@ -373,7 +374,7 @@ static ssize_t open_eth_receive(NetClientState *nc,
if (memcmp(buf, bcast_addr, sizeof(bcast_addr)) == 0) {
miss = GET_REGBIT(s, MODER, BRO);
} else if ((buf[0] & 0x1) || GET_REGBIT(s, MODER, IAM)) {
- unsigned mcast_idx = compute_mcast_idx(buf);
+ unsigned mcast_idx = net_crc32(buf, ETH_ALEN) >> 26;
miss = !(s->regs[HASH0 + mcast_idx / 32] &
(1 << (mcast_idx % 32)));
trace_open_eth_receive_mcast(