diff options
Diffstat (limited to 'drivers/net/igb/igb_main.c')
| -rw-r--r-- | drivers/net/igb/igb_main.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index 5366f2ab65f0..3d850af0cdda 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -3550,7 +3550,7 @@ static void igb_watchdog_task(struct work_struct *work) watchdog_task); struct e1000_hw *hw = &adapter->hw; struct net_device *netdev = adapter->netdev; - u32 link; + u32 link, ctrl_ext, thstat; int i; link = igb_has_link(adapter); @@ -3574,6 +3574,25 @@ static void igb_watchdog_task(struct work_struct *work) ((ctrl & E1000_CTRL_RFCE) ? "RX" : ((ctrl & E1000_CTRL_TFCE) ? "TX" : "None"))); + /* check for thermal sensor event on i350, + * copper only */ + if (hw->mac.type == e1000_i350) { + thstat = rd32(E1000_THSTAT); + ctrl_ext = rd32(E1000_CTRL_EXT); + if ((hw->phy.media_type == + e1000_media_type_copper) && !(ctrl_ext & + E1000_CTRL_EXT_LINK_MODE_SGMII)) { + if (thstat & + E1000_THSTAT_LINK_THROTTLE) { + printk(KERN_INFO "igb: %s The " + "network adapter link " + "speed was downshifted " + "because it " + "overheated.\n", + netdev->name); + } + } + } /* adjust timeout factor according to speed/duplex */ adapter->tx_timeout_factor = 1; switch (adapter->link_speed) { @@ -3599,6 +3618,22 @@ static void igb_watchdog_task(struct work_struct *work) if (netif_carrier_ok(netdev)) { adapter->link_speed = 0; adapter->link_duplex = 0; + /* check for thermal sensor event on i350 + * copper only*/ + if (hw->mac.type == e1000_i350) { + thstat = rd32(E1000_THSTAT); + ctrl_ext = rd32(E1000_CTRL_EXT); + if ((hw->phy.media_type == + e1000_media_type_copper) && !(ctrl_ext & + E1000_CTRL_EXT_LINK_MODE_SGMII)) { + if (thstat & E1000_THSTAT_PWR_DOWN) { + printk(KERN_ERR "igb: %s The " + "network adapter was stopped " + "because it overheated.\n", + netdev->name); + } + } + } /* Links status message must follow this format */ printk(KERN_INFO "igb: %s NIC Link is Down\n", netdev->name); |