aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/firewire/net.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/firewire/net.c b/drivers/firewire/net.c
index ea31e3084d6..7fd51c9e243 100644
--- a/drivers/firewire/net.c
+++ b/drivers/firewire/net.c
@@ -178,6 +178,7 @@ struct fwnet_device {
/* Number of tx datagrams that have been queued but not yet acked */
int queued_datagrams;
+ int peer_count;
struct list_head peer_list;
struct fw_card *card;
@@ -1405,6 +1406,10 @@ static int fwnet_change_mtu(struct net_device *net, int new_mtu)
return 0;
}
+static const struct ethtool_ops fwnet_ethtool_ops = {
+ .get_link = ethtool_op_get_link,
+};
+
static const struct net_device_ops fwnet_netdev_ops = {
.ndo_open = fwnet_open,
.ndo_stop = fwnet_stop,
@@ -1423,6 +1428,8 @@ static void fwnet_init_dev(struct net_device *net)
net->hard_header_len = FWNET_HLEN;
net->type = ARPHRD_IEEE1394;
net->tx_queue_len = FWNET_TX_QUEUE_LEN;
+ net->ethtool_ops = &fwnet_ethtool_ops;
+
}
/* caller must hold fwnet_device_mutex */
@@ -1463,6 +1470,7 @@ static int fwnet_add_peer(struct fwnet_device *dev,
spin_lock_irq(&dev->lock);
list_add_tail(&peer->peer_link, &dev->peer_list);
+ dev->peer_count++;
spin_unlock_irq(&dev->lock);
return 0;
@@ -1534,6 +1542,9 @@ static int fwnet_probe(struct device *_dev)
unregister_netdev(net);
list_del(&dev->dev_link);
}
+
+ if (dev->peer_count > 1)
+ netif_carrier_on(net);
out:
if (ret && allocated_netdev)
free_netdev(net);
@@ -1549,6 +1560,7 @@ static void fwnet_remove_peer(struct fwnet_peer *peer)
spin_lock_irq(&peer->dev->lock);
list_del(&peer->peer_link);
+ peer->dev->peer_count--;
spin_unlock_irq(&peer->dev->lock);
list_for_each_entry_safe(pd, pd_next, &peer->pd_list, pd_link)
@@ -1568,6 +1580,11 @@ static int fwnet_remove(struct device *_dev)
fwnet_remove_peer(peer);
+ /* If we serve just one node, that means we lost link
+ with outer world */
+ if (dev->peer_count == 1)
+ netif_carrier_off(dev->netdev);
+
if (list_empty(&dev->peer_list)) {
net = dev->netdev;
unregister_netdev(net);