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-rw-r--r--hw/net/xilinx_axienet.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/hw/net/xilinx_axienet.c b/hw/net/xilinx_axienet.c
index 92057707e0..d63c423247 100644
--- a/hw/net/xilinx_axienet.c
+++ b/hw/net/xilinx_axienet.c
@@ -401,6 +401,9 @@ struct XilinxAXIEnet {
uint8_t rxapp[CONTROL_PAYLOAD_SIZE];
uint32_t rxappsize;
+
+ /* Whether axienet_eth_rx_notify should flush incoming queue. */
+ bool need_flush;
};
static void axienet_rx_reset(XilinxAXIEnet *s)
@@ -658,10 +661,8 @@ static const MemoryRegionOps enet_ops = {
.endianness = DEVICE_LITTLE_ENDIAN,
};
-static int eth_can_rx(NetClientState *nc)
+static int eth_can_rx(XilinxAXIEnet *s)
{
- XilinxAXIEnet *s = qemu_get_nic_opaque(nc);
-
/* RX enabled? */
return !s->rxsize && !axienet_rx_resetting(s) && axienet_rx_enabled(s);
}
@@ -701,6 +702,10 @@ static void axienet_eth_rx_notify(void *opaque)
s->rxpos += ret;
if (!s->rxsize) {
s->regs[R_IS] |= IS_RX_COMPLETE;
+ if (s->need_flush) {
+ s->need_flush = false;
+ qemu_flush_queued_packets(qemu_get_queue(s->nic));
+ }
}
}
enet_update_irq(s);
@@ -721,6 +726,11 @@ static ssize_t eth_rx(NetClientState *nc, const uint8_t *buf, size_t size)
DENET(qemu_log("%s: %zd bytes\n", __func__, size));
+ if (!eth_can_rx(s)) {
+ s->need_flush = true;
+ return 0;
+ }
+
unicast = ~buf[0] & 0x1;
broadcast = memcmp(buf, sa_bcast, 6) == 0;
multicast = !unicast && !broadcast;
@@ -925,7 +935,6 @@ xilinx_axienet_data_stream_push(StreamSlave *obj, uint8_t *buf, size_t size)
static NetClientInfo net_xilinx_enet_info = {
.type = NET_CLIENT_OPTIONS_KIND_NIC,
.size = sizeof(NICState),
- .can_receive = eth_can_rx,
.receive = eth_rx,
};