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-rw-r--r--hw/virtio-net.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/hw/virtio-net.c b/hw/virtio-net.c
index 13eb0d1f09..445976a41a 100644
--- a/hw/virtio-net.c
+++ b/hw/virtio-net.c
@@ -347,14 +347,17 @@ static int receive_filter(VirtIONet *n, const uint8_t *buf, int size)
return 0;
}
- if ((ptr[0] & 1) && n->allmulti)
- return 1;
-
- if (!memcmp(ptr, bcast, sizeof(bcast)))
- return 1;
-
- if (!memcmp(ptr, n->mac, ETH_ALEN))
- return 1;
+ if (ptr[0] & 1) { // multicast
+ if (!memcmp(ptr, bcast, sizeof(bcast))) {
+ return 1;
+ } else if (n->allmulti) {
+ return 1;
+ }
+ } else { // unicast
+ if (!memcmp(ptr, n->mac, ETH_ALEN)) {
+ return 1;
+ }
+ }
for (i = 0; i < n->mac_table.in_use; i++) {
if (!memcmp(ptr, &n->mac_table.macs[i * ETH_ALEN], ETH_ALEN))