6 files changed, 15 insertions, 20 deletions

diff --git a/drivers/net/igb/e1000_82575.c b/drivers/net/igb/e1000_82575.c
index 9d7fa2fb85e..4a32bed77c7 100644
--- a/drivers/net/igb/e1000_82575.c
+++ b/drivers/net/igb/e1000_82575.c
@@ -30,7 +30,6 @@
  */
 
 #include <linux/types.h>
-#include <linux/slab.h>
 #include <linux/if_ether.h>
 
 #include "e1000_mac.h"
@@ -94,6 +93,7 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
         case E1000_DEV_ID_82576_FIBER:
         case E1000_DEV_ID_82576_SERDES:
         case E1000_DEV_ID_82576_QUAD_COPPER:
+        case E1000_DEV_ID_82576_QUAD_COPPER_ET2:
         case E1000_DEV_ID_82576_SERDES_QUAD:
                 mac->type = e1000_82576;
                 break;
diff --git a/drivers/net/igb/e1000_hw.h b/drivers/net/igb/e1000_hw.h
index 448005276b2..82a533f5192 100644
--- a/drivers/net/igb/e1000_hw.h
+++ b/drivers/net/igb/e1000_hw.h
@@ -41,6 +41,7 @@ struct e1000_hw;
 #define E1000_DEV_ID_82576_FIBER              0x10E6
 #define E1000_DEV_ID_82576_SERDES             0x10E7
 #define E1000_DEV_ID_82576_QUAD_COPPER        0x10E8
+#define E1000_DEV_ID_82576_QUAD_COPPER_ET2    0x1526
 #define E1000_DEV_ID_82576_NS                 0x150A
 #define E1000_DEV_ID_82576_NS_SERDES          0x1518
 #define E1000_DEV_ID_82576_SERDES_QUAD        0x150D
diff --git a/drivers/net/igb/e1000_mac.c b/drivers/net/igb/e1000_mac.c
index 2a8a886b37e..be8d010e402 100644
--- a/drivers/net/igb/e1000_mac.c
+++ b/drivers/net/igb/e1000_mac.c
@@ -1367,7 +1367,8 @@ out:
  *  igb_enable_mng_pass_thru - Enable processing of ARP's
  *  @hw: pointer to the HW structure
  *
- *  Verifies the hardware needs to allow ARPs to be processed by the host.
+ *  Verifies the hardware needs to leave interface enabled so that frames can
+ *  be directed to and from the management interface.
  **/
 bool igb_enable_mng_pass_thru(struct e1000_hw *hw)
 {
@@ -1380,8 +1381,7 @@ bool igb_enable_mng_pass_thru(struct e1000_hw *hw)
 
         manc = rd32(E1000_MANC);
 
-        if (!(manc & E1000_MANC_RCV_TCO_EN) ||
-            !(manc & E1000_MANC_EN_MAC_ADDR_FILTER))
+        if (!(manc & E1000_MANC_RCV_TCO_EN))
                 goto out;
 
         if (hw->mac.arc_subsystem_valid) {
diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index a1775705b24..3b772b822a5 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -267,7 +267,6 @@ struct igb_adapter {
 
         /* TX */
         struct igb_ring *tx_ring[16];
-        unsigned long tx_queue_len;
         u32 tx_timeout_count;
 
         /* RX */
diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index a4cead12fd9..d313fae992d 100644
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -35,6 +35,7 @@
 #include <linux/if_ether.h>
 #include <linux/ethtool.h>
 #include <linux/sched.h>
+#include <linux/slab.h>
 
 #include "igb.h"
 
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 0ed25f059a0..9b3c51ab175 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -32,6 +32,7 @@
 #include <linux/pagemap.h>
 #include <linux/netdevice.h>
 #include <linux/ipv6.h>
+#include <linux/slab.h>
 #include <net/checksum.h>
 #include <net/ip6_checksum.h>
 #include <linux/net_tstamp.h>
@@ -72,6 +73,7 @@ static DEFINE_PCI_DEVICE_TABLE(igb_pci_tbl) = {
         { PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_FIBER), board_82575 },
         { PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_SERDES), board_82575 },
         { PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_SERDES_QUAD), board_82575 },
+        { PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_QUAD_COPPER_ET2), board_82575 },
         { PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_QUAD_COPPER), board_82575 },
         { PCI_VDEVICE(INTEL, E1000_DEV_ID_82575EB_COPPER), board_82575 },
         { PCI_VDEVICE(INTEL, E1000_DEV_ID_82575EB_FIBER_SERDES), board_82575 },
@@ -1104,9 +1106,6 @@ static void igb_configure(struct igb_adapter *adapter)
                 struct igb_ring *ring = adapter->rx_ring[i];
                 igb_alloc_rx_buffers_adv(ring, igb_desc_unused(ring));
         }
-
-
-        adapter->tx_queue_len = netdev->tx_queue_len;
 }
 
 /**
@@ -1212,7 +1211,6 @@ void igb_down(struct igb_adapter *adapter)
         del_timer_sync(&adapter->watchdog_timer);
         del_timer_sync(&adapter->phy_info_timer);
 
-        netdev->tx_queue_len = adapter->tx_queue_len;
         netif_carrier_off(netdev);
 
         /* record the stats before reset*/
@@ -3105,17 +3103,13 @@ static void igb_watchdog_task(struct work_struct *work)
                                ((ctrl & E1000_CTRL_RFCE) ?  "RX" :
                                ((ctrl & E1000_CTRL_TFCE) ?  "TX" : "None")));
 
-                        /* tweak tx_queue_len according to speed/duplex and
-                         * adjust the timeout factor */
-                        netdev->tx_queue_len = adapter->tx_queue_len;
+                        /* adjust timeout factor according to speed/duplex */
                         adapter->tx_timeout_factor = 1;
                         switch (adapter->link_speed) {
                         case SPEED_10:
-                                netdev->tx_queue_len = 10;
                                 adapter->tx_timeout_factor = 14;
                                 break;
                         case SPEED_100:
-                                netdev->tx_queue_len = 100;
                                 /* maybe add some timeout factor ? */
                                 break;
                         }
@@ -3962,7 +3956,7 @@ void igb_update_stats(struct igb_adapter *adapter)
         struct net_device_stats *net_stats = igb_get_stats(adapter->netdev);
         struct e1000_hw *hw = &adapter->hw;
         struct pci_dev *pdev = adapter->pdev;
-        u32 rnbc, reg;
+        u32 reg, mpc;
         u16 phy_tmp;
         int i;
         u64 bytes, packets;
@@ -4020,7 +4014,9 @@ void igb_update_stats(struct igb_adapter *adapter)
         adapter->stats.symerrs += rd32(E1000_SYMERRS);
         adapter->stats.sec += rd32(E1000_SEC);
 
-        adapter->stats.mpc += rd32(E1000_MPC);
+        mpc = rd32(E1000_MPC);
+        adapter->stats.mpc += mpc;
+        net_stats->rx_fifo_errors += mpc;
         adapter->stats.scc += rd32(E1000_SCC);
         adapter->stats.ecol += rd32(E1000_ECOL);
         adapter->stats.mcc += rd32(E1000_MCC);
@@ -4035,9 +4031,7 @@ void igb_update_stats(struct igb_adapter *adapter)
         adapter->stats.gptc += rd32(E1000_GPTC);
         adapter->stats.gotc += rd32(E1000_GOTCL);
         rd32(E1000_GOTCH); /* clear GOTCL */
-        rnbc = rd32(E1000_RNBC);
-        adapter->stats.rnbc += rnbc;
-        net_stats->rx_fifo_errors += rnbc;
+        adapter->stats.rnbc += rd32(E1000_RNBC);
         adapter->stats.ruc += rd32(E1000_RUC);
         adapter->stats.rfc += rd32(E1000_RFC);
         adapter->stats.rjc += rd32(E1000_RJC);
@@ -5109,7 +5103,7 @@ static void igb_receive_skb(struct igb_q_vector *q_vector,
 {
         struct igb_adapter *adapter = q_vector->adapter;
 
-        if (vlan_tag)
+        if (vlan_tag && adapter->vlgrp)
                 vlan_gro_receive(&q_vector->napi, adapter->vlgrp,
                                  vlan_tag, skb);
         else