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[v2,for-2.4,01/12] xgmac: Drop packets with eth_can_rx is false.

Message ID 1436955553-22791-2-git-send-email-famz@redhat.com
State New
Headers show

Commit Message

Fam Zheng July 15, 2015, 10:19 a.m. UTC 
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
---
 hw/net/xgmac.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
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Patch

diff --git a/hw/net/xgmac.c b/hw/net/xgmac.c
index b068f3a..15fb681 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,
 };