[PATCH 2/9] staging: slicoss: notifiy network stack about change in link state

[Lino Sanfilippo]

Notify the network stack about link states via netif_carrier_[off|on]().
Also set the link state off initially and when the interface is brought
down.

Signed-off-by: Lino Sanfilippo <linosanfili...@gmx.de>
---
 drivers/staging/slicoss/slicoss.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/staging/slicoss/slicoss.c 
b/drivers/staging/slicoss/slicoss.c
index dae07410..a9323a9 100644
--- a/drivers/staging/slicoss/slicoss.c
+++ b/drivers/staging/slicoss/slicoss.c
@@ -1016,6 +1016,7 @@ static void slic_link_upr_complete(struct adapter 
*adapter, u32 isr)
        /* link has gone from up to down */
        if (linkup == LINK_DOWN) {
                adapter->linkstate = LINK_DOWN;
+               netif_carrier_off(adapter->netdev);
                return;
        }
 
@@ -1028,6 +1029,7 @@ static void slic_link_upr_complete(struct adapter 
*adapter, u32 isr)
                slic_config_set(adapter, true);
                adapter->linkstate = LINK_UP;
                netif_start_queue(adapter->netdev);
+               netif_carrier_on(adapter->netdev);
        }
 }
 
@@ -2418,6 +2420,7 @@ static int slic_entry_open(struct net_device *dev)
        int status;
 
        netif_stop_queue(adapter->netdev);
+       netif_carrier_off(dev);
 
        spin_lock_irqsave(&slic_global.driver_lock, flags);
        if (!adapter->activated) {
@@ -2530,6 +2533,9 @@ static int slic_entry_halt(struct net_device *dev)
 #endif
 
        spin_unlock_irqrestore(&slic_global.driver_lock, flags);
+
+       netif_carrier_off(dev);
+
        return 0;
 }
 
@@ -3172,6 +3178,8 @@ static int slic_entry_probe(struct pci_dev *pcidev,
        netdev->irq = adapter->irq;
        netdev->netdev_ops = &slic_netdev_ops;
 
+       netif_carrier_off(netdev);
+
        strcpy(netdev->name, "eth%d");
        err = register_netdev(netdev);
        if (err) {
-- 
1.9.1