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-rw-r--r--hw/virtio-net.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/hw/virtio-net.c b/hw/virtio-net.c
index 1ffebac22..6b34c5afc 100644
--- a/hw/virtio-net.c
+++ b/hw/virtio-net.c
@@ -361,17 +361,17 @@ static int receive_filter(VirtIONet *n, const uint8_t *buf, int size)
return 0;
}
-static void virtio_net_receive(VLANClientState *vc, const uint8_t *buf, size_t size)
+static ssize_t virtio_net_receive(VLANClientState *vc, const uint8_t *buf, size_t size)
{
VirtIONet *n = vc->opaque;
struct virtio_net_hdr_mrg_rxbuf *mhdr = NULL;
size_t hdr_len, offset, i;
if (!do_virtio_net_can_receive(n, size))
- return;
+ return -1;
if (!receive_filter(n, buf, size))
- return;
+ return size;
/* hdr_len refers to the header we supply to the guest */
hdr_len = n->mergeable_rx_bufs ?
@@ -389,7 +389,7 @@ static void virtio_net_receive(VLANClientState *vc, const uint8_t *buf, size_t s
if ((i != 0 && !n->mergeable_rx_bufs) ||
virtqueue_pop(n->rx_vq, &elem) == 0) {
if (i == 0)
- return;
+ return -1;
fprintf(stderr, "virtio-net truncating packet\n");
exit(1);
}
@@ -431,6 +431,8 @@ static void virtio_net_receive(VLANClientState *vc, const uint8_t *buf, size_t s
virtqueue_flush(n->rx_vq, i);
virtio_notify(&n->vdev, n->rx_vq);
+
+ return size;
}
/* TX */