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authorFam Zheng <famz@redhat.com>2015-07-15 18:19:02 +0800
committerStefan Hajnoczi <stefanha@redhat.com>2015-07-27 14:12:18 +0100
commit8c8c460c5f38f878675631a66286a6e87bb4d111 (patch)
treeb35d17b544c78e4b2f9d49932294c9f2e879fdd3
parent491a1f494ed4c0d1a8593dd04b645f8e63c4cfae (diff)
downloadqemu-8c8c460c5f38f878675631a66286a6e87bb4d111.zip
xgmac: Drop packets with eth_can_rx is false.
Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Jason Wang <jasowang@redhat.com> Message-id: 1436955553-22791-2-git-send-email-famz@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
-rw-r--r--hw/net/xgmac.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/hw/net/xgmac.c b/hw/net/xgmac.c
index b068f3a0d6..15fb681946 100644
--- a/hw/net/xgmac.c
+++ b/hw/net/xgmac.c
@@ -312,10 +312,8 @@ static const MemoryRegionOps enet_mem_ops = {
.endianness = DEVICE_LITTLE_ENDIAN,
};
-static int eth_can_rx(NetClientState *nc)
+static int eth_can_rx(XgmacState *s)
{
- XgmacState *s = qemu_get_nic_opaque(nc);
-
/* RX enabled? */
return s->regs[DMA_CONTROL] & DMA_CONTROL_SR;
}
@@ -329,6 +327,9 @@ static ssize_t eth_rx(NetClientState *nc, const uint8_t *buf, size_t size)
struct desc bd;
ssize_t ret;
+ if (!eth_can_rx(s)) {
+ return -1;
+ }
unicast = ~buf[0] & 0x1;
broadcast = memcmp(buf, sa_bcast, 6) == 0;
multicast = !unicast && !broadcast;
@@ -371,7 +372,6 @@ out:
static NetClientInfo net_xgmac_enet_info = {
.type = NET_CLIENT_OPTIONS_KIND_NIC,
.size = sizeof(NICState),
- .can_receive = eth_can_rx,
.receive = eth_rx,
};