diff options
author | Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> | 2017-12-15 18:41:50 +0000 |
---|---|---|
committer | Jason Wang <jasowang@redhat.com> | 2017-12-22 10:01:27 +0800 |
commit | 308913bb431104f34f5c2e35eaaf297ff3e8ec7b (patch) | |
tree | 3521f21dc153a1f9b54d429ef5135e6a7930cd75 /hw/net | |
parent | d00d6d005424dd2447f8b0394e945909852a4282 (diff) |
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.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/hw/net/opencores_eth.c b/hw/net/opencores_eth.c index 268d6a7892..d42b79c08c 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( |