From: Mark Cave-Ayland Date: Fri, 15 Dec 2017 18:41:50 +0000 (+0000) Subject: opencores_eth: use inline net_crc32() and bitshift instead of compute_mcast_idx() X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=308913bb431104f34f5c2e35eaaf297ff3e8ec7b;p=qmiga%2Fqemu.git 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 Signed-off-by: Jason Wang --- 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(