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| author | Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> | 2017-12-15 18:41:53 +0000 |
|---|---|---|
| committer | Jason Wang <jasowang@redhat.com> | 2017-12-22 10:01:27 +0800 |
| commit | 084e2b111bb9c809fd53563e3b5ef1ea3bef08ad (patch) | |
| tree | 0acb7dc009cb5b62f3d94620525662b338533321 /hw/net/ne2000.c | |
| parent | 4227be63f081e939ae7313b1921d8f60a5d8d714 (diff) | |
| download | focaccia-qemu-084e2b111bb9c809fd53563e3b5ef1ea3bef08ad.tar.gz focaccia-qemu-084e2b111bb9c809fd53563e3b5ef1ea3bef08ad.zip | |
ne2000: 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/ne2000.c')
| -rw-r--r-- | hw/net/ne2000.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/hw/net/ne2000.c b/hw/net/ne2000.c index 6874c8c6b9..687ef84aac 100644 --- a/hw/net/ne2000.c +++ b/hw/net/ne2000.c @@ -23,6 +23,8 @@ */ #include "qemu/osdep.h" #include "hw/pci/pci.h" +#include "net/net.h" +#include "net/eth.h" #include "ne2000.h" #include "hw/loader.h" #include "sysemu/sysemu.h" @@ -199,7 +201,7 @@ ssize_t ne2000_receive(NetClientState *nc, const uint8_t *buf, size_t size_) /* multicast */ if (!(s->rxcr & 0x08)) return size; - mcast_idx = compute_mcast_idx(buf); + mcast_idx = net_crc32(buf, ETH_ALEN) >> 26; if (!(s->mult[mcast_idx >> 3] & (1 << (mcast_idx & 7)))) return size; } else if (s->mem[0] == buf[0] && |