diff options
| -rw-r--r-- | drivers/firewire/net.c | 17 |
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); |