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[dev][virtio][net] dump feature bits on detection

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This commit is contained in:
Travis Geiselbrecht
2015-09-10 13:59:56 -07:00
parent ddb7e7f72f
commit 3d31579fe0
1 changed files with 28 additions and 0 deletions
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28
dev/virtio/net/virtio-net.c
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@@ -111,6 +111,33 @@ static status_t virtio_net_queue_rx(struct virtio_net_dev *ndev, pktbuf_t *p);
// XXX remove need for this
static struct virtio_net_dev *the_ndev;
static void dump_feature_bits(uint32_t feature)
{
printf("virtio-net host features (0x%x):", feature);
if (feature & VIRTIO_NET_F_CSUM) printf(" CSUM");
if (feature & VIRTIO_NET_F_GUEST_CSUM) printf(" GUEST_CSUM");
if (feature & VIRTIO_NET_F_CTRL_GUEST_OFFLOADS) printf(" CTRL_GUEST_OFFLOADS");
if (feature & VIRTIO_NET_F_MAC) printf(" MAC");
if (feature & VIRTIO_NET_F_GSO) printf(" GSO");
if (feature & VIRTIO_NET_F_GUEST_TSO4) printf(" GUEST_TSO4");
if (feature & VIRTIO_NET_F_GUEST_TSO6) printf(" GUEST_TSO6");
if (feature & VIRTIO_NET_F_GUEST_ECN) printf(" GUEST_ECN");
if (feature & VIRTIO_NET_F_GUEST_UFO) printf(" GUEST_UFO");
if (feature & VIRTIO_NET_F_HOST_TSO4) printf(" HOST_TSO4");
if (feature & VIRTIO_NET_F_HOST_TSO6) printf(" HOST_TSO6");
if (feature & VIRTIO_NET_F_HOST_ECN) printf(" HOST_ECN");
if (feature & VIRTIO_NET_F_HOST_UFO) printf(" HOST_UFO");
if (feature & VIRTIO_NET_F_MRG_RXBUF) printf(" MRG_RXBUF");
if (feature & VIRTIO_NET_F_STATUS) printf(" STATUS");
if (feature & VIRTIO_NET_F_CTRL_VQ) printf(" CTRL_VQ");
if (feature & VIRTIO_NET_F_CTRL_RX) printf(" CTRL_RX");
if (feature & VIRTIO_NET_F_CTRL_VLAN) printf(" CTRL_VLAN");
if (feature & VIRTIO_NET_F_GUEST_ANNOUNCE) printf(" GUEST_ANNOUNCE");
if (feature & VIRTIO_NET_F_MQ) printf(" MQ");
if (feature & VIRTIO_NET_F_CTRL_MAC_ADDR) printf(" CTRL_MAC_ADDR");
printf("\n");
}
status_t virtio_net_init(struct virtio_device *dev, uint32_t host_features)
{
LTRACEF("dev %p, host_features 0x%x\n", dev, host_features);
@@ -134,6 +161,7 @@ status_t virtio_net_init(struct virtio_device *dev, uint32_t host_features)
virtio_status_acknowledge_driver(dev);
// XXX check features bits and ack/nak them
dump_feature_bits(host_features);
/* set our irq handler */
dev->irq_driver_callback = &virtio_net_irq_driver_callback;