diff options
Diffstat (limited to 'drivers/net/arcnet/arcnet.c')
| -rw-r--r-- | drivers/net/arcnet/arcnet.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/net/arcnet/arcnet.c b/drivers/net/arcnet/arcnet.c index 4242522ae86b..6ea963e3b89a 100644 --- a/drivers/net/arcnet/arcnet.c +++ b/drivers/net/arcnet/arcnet.c @@ -381,6 +381,16 @@ static void arcdev_setup(struct net_device *dev) dev->flags = IFF_BROADCAST; } +static void arcnet_timer(unsigned long data) +{ + struct net_device *dev = (struct net_device *)data; + + if (!netif_carrier_ok(dev)) { + netif_carrier_on(dev); + netdev_info(dev, "link up\n"); + } +} + struct net_device *alloc_arcdev(const char *name) { struct net_device *dev; @@ -392,6 +402,9 @@ struct net_device *alloc_arcdev(const char *name) struct arcnet_local *lp = netdev_priv(dev); spin_lock_init(&lp->lock); + init_timer(&lp->timer); + lp->timer.data = (unsigned long) dev; + lp->timer.function = arcnet_timer; } return dev; @@ -490,7 +503,9 @@ int arcnet_open(struct net_device *dev) lp->hw.intmask(dev, lp->intmask); arc_printk(D_DEBUG, dev, "%s: %d: %s\n", __FILE__, __LINE__, __func__); + netif_carrier_off(dev); netif_start_queue(dev); + mod_timer(&lp->timer, jiffies + msecs_to_jiffies(1000)); arcnet_led_event(dev, ARCNET_LED_EVENT_OPEN); return 0; @@ -507,7 +522,10 @@ int arcnet_close(struct net_device *dev) struct arcnet_local *lp = netdev_priv(dev); arcnet_led_event(dev, ARCNET_LED_EVENT_STOP); + del_timer_sync(&lp->timer); + netif_stop_queue(dev); + netif_carrier_off(dev); /* flush TX and disable RX */ lp->hw.intmask(dev, 0); @@ -908,6 +926,12 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id) arc_printk(D_RECON, dev, "Network reconfiguration detected (status=%Xh)\n", status); + if (netif_carrier_ok(dev)) { + netif_carrier_off(dev); + netdev_info(dev, "link down\n"); + } + mod_timer(&lp->timer, jiffies + msecs_to_jiffies(1000)); + arcnet_led_event(dev, ARCNET_LED_EVENT_RECON); /* MYRECON bit is at bit 7 of diagstatus */ if (diagstatus & 0x80) @@ -959,6 +983,7 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id) lp->num_recons = lp->network_down = 0; arc_printk(D_DURING, dev, "not recon: clearing counters anyway.\n"); + netif_carrier_on(dev); } if (didsomething) |