e1000e: flow control doesn't re-enable
authorBruce Allan <bruce.w.allan@intel.com>
Wed, 28 Oct 2009 18:28:30 +0000 (18:28 +0000)
committerDavid S. Miller <davem@davemloft.net>
Thu, 29 Oct 2009 08:04:05 +0000 (01:04 -0700)
When changing flow control (pause) parameters, the flow control thresholds
(i.e. when to send XON/XOFF frames) may not be setup correctly on parts
with copper media.  Call the existing e1000_set_fc_watermarks()
function to set these thresholds.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/e1000e/ethtool.c

index a70999b8c6cf32bdf8c81f9423ce0347a9095146..0364b91488af1dbcc860859dedf3b1066d0d3353 100644 (file)
@@ -335,10 +335,18 @@ static int e1000_set_pauseparam(struct net_device *netdev,
 
                hw->fc.current_mode = hw->fc.requested_mode;
 
-               retval = ((hw->phy.media_type == e1000_media_type_fiber) ?
-                         hw->mac.ops.setup_link(hw) : e1000e_force_mac_fc(hw));
+               if (hw->phy.media_type == e1000_media_type_fiber) {
+                       retval = hw->mac.ops.setup_link(hw);
+                       /* implicit goto out */
+               } else {
+                       retval = e1000e_force_mac_fc(hw);
+                       if (retval)
+                               goto out;
+                       e1000e_set_fc_watermarks(hw);
+               }
        }
 
+out:
        clear_bit(__E1000_RESETTING, &adapter->state);
        return retval;
 }