Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
  be2net: fix error in rx completion processing.
  igbvf: avoid reset storms due to mailbox issues
  igb: fix handling of mailbox collisions between PF/VF
  usb: remove rare pm primitive for conversion to new API

drivers/net/benet/be_main.c

@@ -759,7 +759,7 @@ static void be_rx_compl_process(struct be_adapter *adapter,
 
 	/* vlanf could be wrongly set in some cards.
 	 * ignore if vtm is not set */
-	if ((adapter->cap == 0x400) && !vtm)
+	if ((adapter->cap & 0x400) && !vtm)
 		vlanf = 0;
 
 	skb = netdev_alloc_skb_ip_align(adapter->netdev, BE_HDR_LEN);
@@ -816,7 +816,7 @@ static void be_rx_compl_process_gro(struct be_adapter *adapter,
 
 	/* vlanf could be wrongly set in some cards.
 	 * ignore if vtm is not set */
-	if ((adapter->cap == 0x400) && !vtm)
+	if ((adapter->cap & 0x400) && !vtm)
 		vlanf = 0;
 
 	skb = napi_get_frags(&eq_obj->napi);

drivers/net/igb/igb_main.c

@@ -4608,8 +4608,14 @@ static void igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf)
 
 	retval = igb_read_mbx(hw, msgbuf, E1000_VFMAILBOX_SIZE, vf);
 
-	if (retval)
+	if (retval) {
+		/* if receive failed revoke VF CTS stats and restart init */
 		dev_err(&pdev->dev, "Error receiving message from VF\n");
+		vf_data->flags &= ~IGB_VF_FLAG_CTS;
+		if (!time_after(jiffies, vf_data->last_nack + (2 * HZ)))
+			return;
+		goto out;
+	}
 
 	/* this is a message we already processed, do nothing */
 	if (msgbuf[0] & (E1000_VT_MSGTYPE_ACK | E1000_VT_MSGTYPE_NACK))
@@ -4626,12 +4632,10 @@ static void igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf)
 	}
 
 	if (!(vf_data->flags & IGB_VF_FLAG_CTS)) {
-		msgbuf[0] = E1000_VT_MSGTYPE_NACK;
-		if (time_after(jiffies, vf_data->last_nack + (2 * HZ))) {
-			igb_write_mbx(hw, msgbuf, 1, vf);
-			vf_data->last_nack = jiffies;
-		}
-		return;
+		if (!time_after(jiffies, vf_data->last_nack + (2 * HZ)))
+			return;
+		retval = -1;
+		goto out;
 	}
 
 	switch ((msgbuf[0] & 0xFFFF)) {
@@ -4656,14 +4660,14 @@ static void igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf)
 		break;
 	}
 
+	msgbuf[0] |= E1000_VT_MSGTYPE_CTS;
+out:
 	/* notify the VF of the results of what it sent us */
 	if (retval)
 		msgbuf[0] |= E1000_VT_MSGTYPE_NACK;
 	else
 		msgbuf[0] |= E1000_VT_MSGTYPE_ACK;
 
-	msgbuf[0] |= E1000_VT_MSGTYPE_CTS;
-
 	igb_write_mbx(hw, msgbuf, 1, vf);
 }
 

drivers/net/igbvf/igbvf.h

@@ -276,6 +276,7 @@ struct igbvf_adapter {
 	unsigned long led_status;
 
 	unsigned int flags;
+	unsigned long last_reset;
 };
 
 struct igbvf_info {

drivers/net/igbvf/netdev.c

@@ -1469,6 +1469,8 @@ static void igbvf_reset(struct igbvf_adapter *adapter)
 		memcpy(netdev->perm_addr, adapter->hw.mac.addr,
 		       netdev->addr_len);
 	}
+
+	adapter->last_reset = jiffies;
 }
 
 int igbvf_up(struct igbvf_adapter *adapter)
@@ -1812,11 +1814,15 @@ static bool igbvf_has_link(struct igbvf_adapter *adapter)
 	s32 ret_val = E1000_SUCCESS;
 	bool link_active;
 
+	/* If interface is down, stay link down */
+	if (test_bit(__IGBVF_DOWN, &adapter->state))
+		return false;
+
 	ret_val = hw->mac.ops.check_for_link(hw);
 	link_active = !hw->mac.get_link_status;
 
 	/* if check for link returns error we will need to reset */
-	if (ret_val)
+	if (ret_val && time_after(jiffies, adapter->last_reset + (10 * HZ)))
 		schedule_work(&adapter->reset_task);
 
 	return link_active;

drivers/net/usb/kaweth.c

@@ -716,7 +716,7 @@ static int kaweth_open(struct net_device *net)
 	return 0;
 
 err_out:
-	usb_autopm_enable(kaweth->intf);
+	usb_autopm_put_interface(kaweth->intf);
 	return -EIO;
 }
 
@@ -753,7 +753,7 @@ static int kaweth_close(struct net_device *net)
 
 	kaweth->status &= ~KAWETH_STATUS_CLOSING;
 
-	usb_autopm_enable(kaweth->intf);
+	usb_autopm_put_interface(kaweth->intf);
 
 	return 0;
 }