From: Jesse Brandeburg Date: Fri, 17 Apr 2009 20:44:32 +0000 (+0000) Subject: igb: fix link down inital state X-Git-Tag: v2.6.31-rc1~330^2~603 X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=b168dfc51604ec293db16dc4d558043585578a2d;p=~shefty%2Frdma-dev.git igb: fix link down inital state As reported by Andrew Lutomirski All the intel wired ethernet drivers were calling netif_carrier_off and netif_stop_queue (or variants) before calling register_netdevice This is incorrect behavior as was pointed out by davem, and causes ifconfig and friends to report a strange state before first link after the driver was loaded, since without a netif_carrier_off, the stack assumes carrier_on, but before register_netdev, netlink messages are not sent out telling link state. This apparently confused *some* versions of networkmanager. Signed-off-by: Jesse Brandeburg Reported-by: Andrew Lutomirski Signed-off-by: Jeff Kirsher Signed-off-by: David S. Miller --- diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index 08c801490c7..ceaa5855467 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -1442,15 +1442,14 @@ static int __devinit igb_probe(struct pci_dev *pdev, * driver. */ igb_get_hw_control(adapter); - /* tell the stack to leave us alone until igb_open() is called */ - netif_carrier_off(netdev); - netif_tx_stop_all_queues(netdev); - strcpy(netdev->name, "eth%d"); err = register_netdev(netdev); if (err) goto err_register; + /* carrier off reporting is important to ethtool even BEFORE open */ + netif_carrier_off(netdev); + #ifdef CONFIG_IGB_DCA if (dca_add_requester(&pdev->dev) == 0) { adapter->flags |= IGB_FLAG_DCA_ENABLED; @@ -1699,6 +1698,8 @@ static int igb_open(struct net_device *netdev) if (test_bit(__IGB_TESTING, &adapter->state)) return -EBUSY; + netif_carrier_off(netdev); + /* allocate transmit descriptors */ err = igb_setup_all_tx_resources(adapter); if (err)