Merge git://github.com/davem330/net

* git://github.com/davem330/net:
  pch_gbe: Fixed the issue on which a network freezes
  pch_gbe: Fixed the issue on which PC was frozen when link was downed.
  make PACKET_STATISTICS getsockopt report consistently between ring and non-ring
  net: xen-netback: correctly restart Tx after a VM restore/migrate
  bonding: properly stop queuing work when requested
  can bcm: fix incomplete tx_setup fix
  RDSRDMA: Fix cleanup of rds_iw_mr_pool
  net: Documentation: Fix type of variables
  ibmveth: Fix oops on request_irq failure
  ipv6: nullify ipv6_ac_list and ipv6_fl_list when creating new socket
  cxgb4: Fix EEH on IBM P7IOC
  can bcm: fix tx_setup off-by-one errors
  MAINTAINERS: tehuti: Alexander Indenbaum's address bounces
  dp83640: reduce driver noise
  ptp: fix L2 event message recognition

8 files changed, 48 insertions, 42 deletions

diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index a047eb973e3..47b928ed08f 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -2168,7 +2168,8 @@ void bond_3ad_state_machine_handler(struct work_struct *work)
 	}
 
 re_arm:
-	queue_delayed_work(bond->wq, &bond->ad_work, ad_delta_in_ticks);
+	if (!bond->kill_timers)
+		queue_delayed_work(bond->wq, &bond->ad_work, ad_delta_in_ticks);
 out:
 	read_unlock(&bond->lock);
 }
diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c
index 7f8b20a34ee..d4fbd2e6261 100644
--- a/drivers/net/bonding/bond_alb.c
+++ b/drivers/net/bonding/bond_alb.c
@@ -1440,7 +1440,8 @@ void bond_alb_monitor(struct work_struct *work)
 	}
 
 re_arm:
-	queue_delayed_work(bond->wq, &bond->alb_work, alb_delta_in_ticks);
+	if (!bond->kill_timers)
+		queue_delayed_work(bond->wq, &bond->alb_work, alb_delta_in_ticks);
 out:
 	read_unlock(&bond->lock);
 }
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 43f2ea54108..6d79b78cfc7 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -777,6 +777,9 @@ static void bond_resend_igmp_join_requests(struct bonding *bond)
 
 	read_lock(&bond->lock);
 
+	if (bond->kill_timers)
+		goto out;
+
 	/* rejoin all groups on bond device */
 	__bond_resend_igmp_join_requests(bond->dev);
 
@@ -790,9 +793,9 @@ static void bond_resend_igmp_join_requests(struct bonding *bond)
 			__bond_resend_igmp_join_requests(vlan_dev);
 	}
 
-	if (--bond->igmp_retrans > 0)
+	if ((--bond->igmp_retrans > 0) && !bond->kill_timers)
 		queue_delayed_work(bond->wq, &bond->mcast_work, HZ/5);
-
+out:
 	read_unlock(&bond->lock);
 }
 
@@ -2538,7 +2541,7 @@ void bond_mii_monitor(struct work_struct *work)
 	}
 
 re_arm:
-	if (bond->params.miimon)
+	if (bond->params.miimon && !bond->kill_timers)
 		queue_delayed_work(bond->wq, &bond->mii_work,
 				   msecs_to_jiffies(bond->params.miimon));
 out:
@@ -2886,7 +2889,7 @@ void bond_loadbalance_arp_mon(struct work_struct *work)
 	}
 
 re_arm:
-	if (bond->params.arp_interval)
+	if (bond->params.arp_interval && !bond->kill_timers)
 		queue_delayed_work(bond->wq, &bond->arp_work, delta_in_ticks);
 out:
 	read_unlock(&bond->lock);
@@ -3154,7 +3157,7 @@ void bond_activebackup_arp_mon(struct work_struct *work)
 	bond_ab_arp_probe(bond);
 
 re_arm:
-	if (bond->params.arp_interval)
+	if (bond->params.arp_interval && !bond->kill_timers)
 		queue_delayed_work(bond->wq, &bond->arp_work, delta_in_ticks);
 out:
 	read_unlock(&bond->lock);
diff --git a/drivers/net/cxgb4/cxgb4_main.c b/drivers/net/cxgb4/cxgb4_main.c
index c9957b7f17b..b4efa292fd6 100644
--- a/drivers/net/cxgb4/cxgb4_main.c
+++ b/drivers/net/cxgb4/cxgb4_main.c
@@ -3712,6 +3712,9 @@ static int __devinit init_one(struct pci_dev *pdev,
 		setup_debugfs(adapter);
 	}
 
+	/* PCIe EEH recovery on powerpc platforms needs fundamental reset */
+	pdev->needs_freset = 1;
+
 	if (is_offload(adapter))
 		attach_ulds(adapter);
 
diff --git a/drivers/net/ibmveth.c b/drivers/net/ibmveth.c
index 8dd5fccef72..d393f1e764e 100644
--- a/drivers/net/ibmveth.c
+++ b/drivers/net/ibmveth.c
@@ -636,8 +636,8 @@ static int ibmveth_open(struct net_device *netdev)
 		netdev_err(netdev, "unable to request irq 0x%x, rc %d\n",
 			   netdev->irq, rc);
 		do {
-			rc = h_free_logical_lan(adapter->vdev->unit_address);
-		} while (H_IS_LONG_BUSY(rc) || (rc == H_BUSY));
+			lpar_rc = h_free_logical_lan(adapter->vdev->unit_address);
+		} while (H_IS_LONG_BUSY(lpar_rc) || (lpar_rc == H_BUSY));
 
 		goto err_out;
 	}
diff --git a/drivers/net/pch_gbe/pch_gbe_main.c b/drivers/net/pch_gbe/pch_gbe_main.c
index 567ff10889b..b8b4ba27b0e 100644
--- a/drivers/net/pch_gbe/pch_gbe_main.c
+++ b/drivers/net/pch_gbe/pch_gbe_main.c
@@ -1199,6 +1199,8 @@ static irqreturn_t pch_gbe_intr(int irq, void *data)
 			iowrite32((int_en & ~PCH_GBE_INT_RX_FIFO_ERR),
 				  &hw->reg->INT_EN);
 			pch_gbe_stop_receive(adapter);
+			int_st |= ioread32(&hw->reg->INT_ST);
+			int_st = int_st & ioread32(&hw->reg->INT_EN);
 		}
 	if (int_st & PCH_GBE_INT_RX_DMA_ERR)
 		adapter->stats.intr_rx_dma_err_count++;
@@ -1218,14 +1220,11 @@ static irqreturn_t pch_gbe_intr(int irq, void *data)
 			/* Set Pause packet */
 			pch_gbe_mac_set_pause_packet(hw);
 		}
-		if ((int_en & (PCH_GBE_INT_RX_DMA_CMPLT | PCH_GBE_INT_TX_CMPLT))
-		    == 0) {
-			return IRQ_HANDLED;
-		}
 	}
 
 	/* When request status is Receive interruption */
-	if ((int_st & (PCH_GBE_INT_RX_DMA_CMPLT | PCH_GBE_INT_TX_CMPLT))) {
+	if ((int_st & (PCH_GBE_INT_RX_DMA_CMPLT | PCH_GBE_INT_TX_CMPLT)) ||
+	    (adapter->rx_stop_flag == true)) {
 		if (likely(napi_schedule_prep(&adapter->napi))) {
 			/* Enable only Rx Descriptor empty */
 			atomic_inc(&adapter->irq_sem);
@@ -1385,7 +1384,7 @@ pch_gbe_clean_tx(struct pch_gbe_adapter *adapter,
 	struct sk_buff *skb;
 	unsigned int i;
 	unsigned int cleaned_count = 0;
-	bool cleaned = false;
+	bool cleaned = true;
 
 	pr_debug("next_to_clean : %d\n", tx_ring->next_to_clean);
 
@@ -1396,7 +1395,6 @@ pch_gbe_clean_tx(struct pch_gbe_adapter *adapter,
 
 	while ((tx_desc->gbec_status & DSC_INIT16) == 0x0000) {
 		pr_debug("gbec_status:0x%04x\n", tx_desc->gbec_status);
-		cleaned = true;
 		buffer_info = &tx_ring->buffer_info[i];
 		skb = buffer_info->skb;
 
@@ -1439,8 +1437,10 @@ pch_gbe_clean_tx(struct pch_gbe_adapter *adapter,
 		tx_desc = PCH_GBE_TX_DESC(*tx_ring, i);
 
 		/* weight of a sort for tx, to avoid endless transmit cleanup */
-		if (cleaned_count++ == PCH_GBE_TX_WEIGHT)
+		if (cleaned_count++ == PCH_GBE_TX_WEIGHT) {
+			cleaned = false;
 			break;
+		}
 	}
 	pr_debug("called pch_gbe_unmap_and_free_tx_resource() %d count\n",
 		 cleaned_count);
@@ -2168,7 +2168,6 @@ static int pch_gbe_napi_poll(struct napi_struct *napi, int budget)
 {
 	struct pch_gbe_adapter *adapter =
 	    container_of(napi, struct pch_gbe_adapter, napi);
-	struct net_device *netdev = adapter->netdev;
 	int work_done = 0;
 	bool poll_end_flag = false;
 	bool cleaned = false;
@@ -2176,33 +2175,32 @@ static int pch_gbe_napi_poll(struct napi_struct *napi, int budget)
 
 	pr_debug("budget : %d\n", budget);
 
-	/* Keep link state information with original netdev */
-	if (!netif_carrier_ok(netdev)) {
+	pch_gbe_clean_rx(adapter, adapter->rx_ring, &work_done, budget);
+	cleaned = pch_gbe_clean_tx(adapter, adapter->tx_ring);
+
+	if (!cleaned)
+		work_done = budget;
+	/* If no Tx and not enough Rx work done,
+	 * exit the polling mode
+	 */
+	if (work_done < budget)
 		poll_end_flag = true;
-	} else {
-		pch_gbe_clean_rx(adapter, adapter->rx_ring, &work_done, budget);
+
+	if (poll_end_flag) {
+		napi_complete(napi);
+		if (adapter->rx_stop_flag) {
+			adapter->rx_stop_flag = false;
+			pch_gbe_start_receive(&adapter->hw);
+		}
+		pch_gbe_irq_enable(adapter);
+	} else
 		if (adapter->rx_stop_flag) {
 			adapter->rx_stop_flag = false;
 			pch_gbe_start_receive(&adapter->hw);
 			int_en = ioread32(&adapter->hw.reg->INT_EN);
 			iowrite32((int_en | PCH_GBE_INT_RX_FIFO_ERR),
-					&adapter->hw.reg->INT_EN);
+				&adapter->hw.reg->INT_EN);
 		}
-		cleaned = pch_gbe_clean_tx(adapter, adapter->tx_ring);
-
-		if (cleaned)
-			work_done = budget;
-		/* If no Tx and not enough Rx work done,
-		 * exit the polling mode
-		 */
-		if ((work_done < budget) || !netif_running(netdev))
-			poll_end_flag = true;
-	}
-
-	if (poll_end_flag) {
-		napi_complete(napi);
-		pch_gbe_irq_enable(adapter);
-	}
 
 	pr_debug("poll_end_flag : %d  work_done : %d  budget : %d\n",
 		 poll_end_flag, work_done, budget);
diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c
index cb6e0b486b1..edd7304773e 100644
--- a/drivers/net/phy/dp83640.c
+++ b/drivers/net/phy/dp83640.c
@@ -589,7 +589,7 @@ static void decode_rxts(struct dp83640_private *dp83640,
 	prune_rx_ts(dp83640);
 
 	if (list_empty(&dp83640->rxpool)) {
-		pr_warning("dp83640: rx timestamp pool is empty\n");
+		pr_debug("dp83640: rx timestamp pool is empty\n");
 		goto out;
 	}
 	rxts = list_first_entry(&dp83640->rxpool, struct rxts, list);
@@ -612,7 +612,7 @@ static void decode_txts(struct dp83640_private *dp83640,
 	skb = skb_dequeue(&dp83640->tx_queue);
 
 	if (!skb) {
-		pr_warning("dp83640: have timestamp but tx_queue empty\n");
+		pr_debug("dp83640: have timestamp but tx_queue empty\n");
 		return;
 	}
 	ns = phy2txts(phy_txts);
diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
index 0ca86f9ec4e..182562952c7 100644
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -327,12 +327,12 @@ int xenvif_connect(struct xenvif *vif, unsigned long tx_ring_ref,
 	xenvif_get(vif);
 
 	rtnl_lock();
-	if (netif_running(vif->dev))
-		xenvif_up(vif);
 	if (!vif->can_sg && vif->dev->mtu > ETH_DATA_LEN)
 		dev_set_mtu(vif->dev, ETH_DATA_LEN);
 	netdev_update_features(vif->dev);
 	netif_carrier_on(vif->dev);
+	if (netif_running(vif->dev))
+		xenvif_up(vif);
 	rtnl_unlock();
 
 	return 0;