Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/jkirsher/net-next-2.6

7 files changed, 298 insertions, 345 deletions

diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h
index d6bfb2f6ba86..744b64108130 100644
--- a/drivers/net/ixgbe/ixgbe.h
+++ b/drivers/net/ixgbe/ixgbe.h
@@ -131,6 +131,13 @@ struct vf_macvlans {
         u8 vf_macvlan[ETH_ALEN];
 };
 
+#define IXGBE_MAX_TXD_PWR       14
+#define IXGBE_MAX_DATA_PER_TXD  (1 << IXGBE_MAX_TXD_PWR)
+
+/* Tx Descriptors needed, worst case */
+#define TXD_USE_COUNT(S) DIV_ROUND_UP((S), IXGBE_MAX_DATA_PER_TXD)
+#define DESC_NEEDED ((MAX_SKB_FRAGS * TXD_USE_COUNT(PAGE_SIZE)) + 4)
+
 /* wrapper around a pointer to a socket buffer,
  * so a DMA handle can be stored along with the buffer */
 struct ixgbe_tx_buffer {
@@ -306,9 +313,13 @@ struct ixgbe_q_vector {
         ((_eitr) ? (1000000000 / ((_eitr) * 256)) : 8)
 #define EITR_REG_TO_INTS_PER_SEC EITR_INTS_PER_SEC_TO_REG
 
-#define IXGBE_DESC_UNUSED(R) \
-        ((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \
-        (R)->next_to_clean - (R)->next_to_use - 1)
+static inline u16 ixgbe_desc_unused(struct ixgbe_ring *ring)
+{
+        u16 ntc = ring->next_to_clean;
+        u16 ntu = ring->next_to_use;
+
+        return ((ntc > ntu) ? 0 : ring->count) + ntc - ntu - 1;
+}
 
 #define IXGBE_RX_DESC_ADV(R, i)     \
         (&(((union ixgbe_adv_rx_desc *)((R)->desc))[i]))
@@ -576,10 +587,10 @@ extern void ixgbe_clear_rscctl(struct ixgbe_adapter *adapter,
                                struct ixgbe_ring *ring);
 extern void ixgbe_set_rx_mode(struct net_device *netdev);
 extern int ixgbe_setup_tc(struct net_device *dev, u8 tc);
+extern void ixgbe_tx_ctxtdesc(struct ixgbe_ring *, u32, u32, u32, u32);
 #ifdef IXGBE_FCOE
 extern void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter);
-extern int ixgbe_fso(struct ixgbe_adapter *adapter,
-                     struct ixgbe_ring *tx_ring, struct sk_buff *skb,
+extern int ixgbe_fso(struct ixgbe_ring *tx_ring, struct sk_buff *skb,
                      u32 tx_flags, u8 *hdr_len);
 extern void ixgbe_cleanup_fcoe(struct ixgbe_adapter *adapter);
 extern int ixgbe_fcoe_ddp(struct ixgbe_adapter *adapter,
diff --git a/drivers/net/ixgbe/ixgbe_dcb_nl.c b/drivers/net/ixgbe/ixgbe_dcb_nl.c
index bd2d75265389..0ace6ce1d0b4 100644
--- a/drivers/net/ixgbe/ixgbe_dcb_nl.c
+++ b/drivers/net/ixgbe/ixgbe_dcb_nl.c
@@ -330,24 +330,20 @@ static void ixgbe_dcbnl_get_pfc_cfg(struct net_device *netdev, int priority,
 static u8 ixgbe_dcbnl_set_all(struct net_device *netdev)
 {
         struct ixgbe_adapter *adapter = netdev_priv(netdev);
+        int ret;
+#ifdef IXGBE_FCOE
         struct dcb_app app = {
                               .selector = DCB_APP_IDTYPE_ETHTYPE,
                               .protocol = ETH_P_FCOE,
                              };
         u8 up = dcb_getapp(netdev, &app);
-        int ret;
+#endif
 
         ret = ixgbe_copy_dcb_cfg(&adapter->temp_dcb_cfg, &adapter->dcb_cfg,
                                  MAX_TRAFFIC_CLASS);
         if (ret)
                 return DCB_NO_HW_CHG;
 
-        /* In IEEE mode app data must be parsed into DCBX format for
-         * hardware routines.
-         */
-        if (adapter->dcbx_cap & DCB_CAP_DCBX_VER_IEEE)
-                up = (1 << up);
-
 #ifdef IXGBE_FCOE
         if (up && (up != (1 << adapter->fcoe.up)))
                 adapter->dcb_set_bitmap |= BIT_APP_UPCHG;
@@ -361,7 +357,7 @@ static u8 ixgbe_dcbnl_set_all(struct net_device *netdev)
                 while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
                         usleep_range(1000, 2000);
 
-                ixgbe_fcoe_setapp(adapter, up);
+                adapter->fcoe.up = ffs(up) - 1;
 
                 if (netif_running(netdev))
                         netdev->netdev_ops->ndo_stop(netdev);
@@ -674,24 +670,75 @@ static int ixgbe_dcbnl_ieee_setpfc(struct net_device *dev,
         return err;
 }
 
+#ifdef IXGBE_FCOE
+static void ixgbe_dcbnl_devreset(struct net_device *dev)
+{
+        struct ixgbe_adapter *adapter = netdev_priv(dev);
+
+        if (netif_running(dev))
+                dev->netdev_ops->ndo_stop(dev);
+
+        ixgbe_clear_interrupt_scheme(adapter);
+        ixgbe_init_interrupt_scheme(adapter);
+
+        if (netif_running(dev))
+                dev->netdev_ops->ndo_open(dev);
+}
+#endif
+
 static int ixgbe_dcbnl_ieee_setapp(struct net_device *dev,
                                    struct dcb_app *app)
 {
         struct ixgbe_adapter *adapter = netdev_priv(dev);
+        int err = -EINVAL;
 
         if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_IEEE))
-                return -EINVAL;
+                return err;
 
-        dcb_setapp(dev, app);
+        err = dcb_ieee_setapp(dev, app);
 
 #ifdef IXGBE_FCOE
-        if (app->selector == 1 && app->protocol == ETH_P_FCOE &&
-            adapter->fcoe.tc == app->priority)
-                ixgbe_dcbnl_set_all(dev);
+        if (!err && app->selector == IEEE_8021QAZ_APP_SEL_ETHERTYPE &&
+            app->protocol == ETH_P_FCOE) {
+                u8 app_mask = dcb_ieee_getapp_mask(dev, app);
+
+                if (app_mask & (1 << adapter->fcoe.up))
+                        return err;
+
+                adapter->fcoe.up = app->priority;
+                ixgbe_dcbnl_devreset(dev);
+        }
 #endif
         return 0;
 }
 
+static int ixgbe_dcbnl_ieee_delapp(struct net_device *dev,
+                                   struct dcb_app *app)
+{
+        struct ixgbe_adapter *adapter = netdev_priv(dev);
+        int err;
+
+        if (!(adapter->dcbx_cap & DCB_CAP_DCBX_VER_IEEE))
+                return -EINVAL;
+
+        err = dcb_ieee_delapp(dev, app);
+
+#ifdef IXGBE_FCOE
+        if (!err && app->selector == IEEE_8021QAZ_APP_SEL_ETHERTYPE &&
+            app->protocol == ETH_P_FCOE) {
+                u8 app_mask = dcb_ieee_getapp_mask(dev, app);
+
+                if (app_mask & (1 << adapter->fcoe.up))
+                        return err;
+
+                adapter->fcoe.up = app_mask ?
+                                   ffs(app_mask) - 1 : IXGBE_FCOE_DEFTC;
+                ixgbe_dcbnl_devreset(dev);
+        }
+#endif
+        return err;
+}
+
 static u8 ixgbe_dcbnl_getdcbx(struct net_device *dev)
 {
         struct ixgbe_adapter *adapter = netdev_priv(dev);
@@ -743,6 +790,7 @@ const struct dcbnl_rtnl_ops dcbnl_ops = {
         .ieee_getpfc    = ixgbe_dcbnl_ieee_getpfc,
         .ieee_setpfc    = ixgbe_dcbnl_ieee_setpfc,
         .ieee_setapp    = ixgbe_dcbnl_ieee_setapp,
+        .ieee_delapp    = ixgbe_dcbnl_ieee_delapp,
         .getstate       = ixgbe_dcbnl_get_state,
         .setstate       = ixgbe_dcbnl_set_state,
         .getpermhwaddr  = ixgbe_dcbnl_get_perm_hw_addr,
diff --git a/drivers/net/ixgbe/ixgbe_fcoe.c b/drivers/net/ixgbe/ixgbe_fcoe.c
index f5f39edb86ab..f0c1018bbf31 100644
--- a/drivers/net/ixgbe/ixgbe_fcoe.c
+++ b/drivers/net/ixgbe/ixgbe_fcoe.c
@@ -26,9 +26,6 @@
 *******************************************************************************/
 
 #include "ixgbe.h"
-#ifdef CONFIG_IXGBE_DCB
-#include "ixgbe_dcb_82599.h"
-#endif /* CONFIG_IXGBE_DCB */
 #include <linux/if_ether.h>
 #include <linux/gfp.h>
 #include <linux/if_vlan.h>
@@ -474,24 +471,18 @@ ddp_out:
  *
  * Returns : 0 indicates no FSO, > 0 for FSO, < 0 for error
  */
-int ixgbe_fso(struct ixgbe_adapter *adapter,
-              struct ixgbe_ring *tx_ring, struct sk_buff *skb,
+int ixgbe_fso(struct ixgbe_ring *tx_ring, struct sk_buff *skb,
               u32 tx_flags, u8 *hdr_len)
 {
-        u8 sof, eof;
+        struct fc_frame_header *fh;
         u32 vlan_macip_lens;
-        u32 fcoe_sof_eof;
-        u32 type_tucmd;
+        u32 fcoe_sof_eof = 0;
         u32 mss_l4len_idx;
-        int mss = 0;
-        unsigned int i;
-        struct ixgbe_tx_buffer *tx_buffer_info;
-        struct ixgbe_adv_tx_context_desc *context_desc;
-        struct fc_frame_header *fh;
+        u8 sof, eof;
 
         if (skb_is_gso(skb) && (skb_shinfo(skb)->gso_type != SKB_GSO_FCOE)) {
-                e_err(drv, "Wrong gso type %d:expecting SKB_GSO_FCOE\n",
-                      skb_shinfo(skb)->gso_type);
+                dev_err(tx_ring->dev, "Wrong gso type %d:expecting SKB_GSO_FCOE\n",
+                        skb_shinfo(skb)->gso_type);
                 return -EINVAL;
         }
 
@@ -501,23 +492,22 @@ int ixgbe_fso(struct ixgbe_adapter *adapter,
                                  sizeof(struct fcoe_hdr));
 
         /* sets up SOF and ORIS */
-        fcoe_sof_eof = 0;
         sof = ((struct fcoe_hdr *)skb_network_header(skb))->fcoe_sof;
         switch (sof) {
         case FC_SOF_I2:
-                fcoe_sof_eof |= IXGBE_ADVTXD_FCOEF_ORIS;
+                fcoe_sof_eof = IXGBE_ADVTXD_FCOEF_ORIS;
                 break;
         case FC_SOF_I3:
-                fcoe_sof_eof |= IXGBE_ADVTXD_FCOEF_SOF;
-                fcoe_sof_eof |= IXGBE_ADVTXD_FCOEF_ORIS;
+                fcoe_sof_eof = IXGBE_ADVTXD_FCOEF_SOF |
+                               IXGBE_ADVTXD_FCOEF_ORIS;
                 break;
         case FC_SOF_N2:
                 break;
         case FC_SOF_N3:
-                fcoe_sof_eof |= IXGBE_ADVTXD_FCOEF_SOF;
+                fcoe_sof_eof = IXGBE_ADVTXD_FCOEF_SOF;
                 break;
         default:
-                e_warn(drv, "unknown sof = 0x%x\n", sof);
+                dev_warn(tx_ring->dev, "unknown sof = 0x%x\n", sof);
                 return -EINVAL;
         }
 
@@ -530,12 +520,11 @@ int ixgbe_fso(struct ixgbe_adapter *adapter,
                 break;
         case FC_EOF_T:
                 /* lso needs ORIE */
-                if (skb_is_gso(skb)) {
-                        fcoe_sof_eof |= IXGBE_ADVTXD_FCOEF_EOF_N;
-                        fcoe_sof_eof |= IXGBE_ADVTXD_FCOEF_ORIE;
-                } else {
+                if (skb_is_gso(skb))
+                        fcoe_sof_eof |= IXGBE_ADVTXD_FCOEF_EOF_N |
+                                        IXGBE_ADVTXD_FCOEF_ORIE;
+                else
                         fcoe_sof_eof |= IXGBE_ADVTXD_FCOEF_EOF_T;
-                }
                 break;
         case FC_EOF_NI:
                 fcoe_sof_eof |= IXGBE_ADVTXD_FCOEF_EOF_NI;
@@ -544,7 +533,7 @@ int ixgbe_fso(struct ixgbe_adapter *adapter,
                 fcoe_sof_eof |= IXGBE_ADVTXD_FCOEF_EOF_A;
                 break;
         default:
-                e_warn(drv, "unknown eof = 0x%x\n", eof);
+                dev_warn(tx_ring->dev, "unknown eof = 0x%x\n", eof);
                 return -EINVAL;
         }
 
@@ -553,43 +542,28 @@ int ixgbe_fso(struct ixgbe_adapter *adapter,
         if (fh->fh_f_ctl[2] & FC_FC_REL_OFF)
                 fcoe_sof_eof |= IXGBE_ADVTXD_FCOEF_PARINC;
 
-        /* hdr_len includes fc_hdr if FCoE lso is enabled */
+        /* include trailer in headlen as it is replicated per frame */
         *hdr_len = sizeof(struct fcoe_crc_eof);
+
+        /* hdr_len includes fc_hdr if FCoE LSO is enabled */
         if (skb_is_gso(skb))
                 *hdr_len += (skb_transport_offset(skb) +
                              sizeof(struct fc_frame_header));
-        /* vlan_macip_lens: HEADLEN, MACLEN, VLAN tag */
-        vlan_macip_lens = (skb_transport_offset(skb) +
-                          sizeof(struct fc_frame_header));
-        vlan_macip_lens |= ((skb_transport_offset(skb) - 4)
-                           << IXGBE_ADVTXD_MACLEN_SHIFT);
-        vlan_macip_lens |= (tx_flags & IXGBE_TX_FLAGS_VLAN_MASK);
-
-        /* type_tycmd and mss: set TUCMD.FCoE to enable offload */
-        type_tucmd = IXGBE_TXD_CMD_DEXT | IXGBE_ADVTXD_DTYP_CTXT |
-                     IXGBE_ADVTXT_TUCMD_FCOE;
-        if (skb_is_gso(skb))
-                mss = skb_shinfo(skb)->gso_size;
+
         /* mss_l4len_id: use 1 for FSO as TSO, no need for L4LEN */
-        mss_l4len_idx = (mss << IXGBE_ADVTXD_MSS_SHIFT) |
-                        (1 << IXGBE_ADVTXD_IDX_SHIFT);
+        mss_l4len_idx = skb_shinfo(skb)->gso_size << IXGBE_ADVTXD_MSS_SHIFT;
+        mss_l4len_idx |= 1 << IXGBE_ADVTXD_IDX_SHIFT;
+
+        /* vlan_macip_lens: HEADLEN, MACLEN, VLAN tag */
+        vlan_macip_lens = skb_transport_offset(skb) +
+                          sizeof(struct fc_frame_header);
+        vlan_macip_lens |= (skb_transport_offset(skb) - 4)
+                           << IXGBE_ADVTXD_MACLEN_SHIFT;
+        vlan_macip_lens |= tx_flags & IXGBE_TX_FLAGS_VLAN_MASK;
 
         /* write context desc */
-        i = tx_ring->next_to_use;
-        context_desc = IXGBE_TX_CTXTDESC_ADV(tx_ring, i);
-        context_desc->vlan_macip_lens   = cpu_to_le32(vlan_macip_lens);
-        context_desc->seqnum_seed       = cpu_to_le32(fcoe_sof_eof);
-        context_desc->type_tucmd_mlhl   = cpu_to_le32(type_tucmd);
-        context_desc->mss_l4len_idx     = cpu_to_le32(mss_l4len_idx);
-
-        tx_buffer_info = &tx_ring->tx_buffer_info[i];
-        tx_buffer_info->time_stamp = jiffies;
-        tx_buffer_info->next_to_watch = i;
-
-        i++;
-        if (i == tx_ring->count)
-                i = 0;
-        tx_ring->next_to_use = i;
+        ixgbe_tx_ctxtdesc(tx_ring, vlan_macip_lens, fcoe_sof_eof,
+                          IXGBE_ADVTXT_TUCMD_FCOE, mss_l4len_idx);
 
         return skb_is_gso(skb);
 }
@@ -648,10 +622,6 @@ void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter)
         struct ixgbe_hw *hw = &adapter->hw;
         struct ixgbe_fcoe *fcoe = &adapter->fcoe;
         struct ixgbe_ring_feature *f = &adapter->ring_feature[RING_F_FCOE];
-#ifdef CONFIG_IXGBE_DCB
-        u8 tc;
-        u32 up2tc;
-#endif
 
         if (!fcoe->pool) {
                 spin_lock_init(&fcoe->lock);
@@ -717,18 +687,6 @@ void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter)
                         IXGBE_FCRXCTRL_FCOELLI |
                         IXGBE_FCRXCTRL_FCCRCBO |
                         (FC_FCOE_VER << IXGBE_FCRXCTRL_FCOEVER_SHIFT));
-#ifdef CONFIG_IXGBE_DCB
-        up2tc = IXGBE_READ_REG(&adapter->hw, IXGBE_RTTUP2TC);
-        for (i = 0; i < MAX_USER_PRIORITY; i++) {
-                tc = (u8)(up2tc >> (i * IXGBE_RTTUP2TC_UP_SHIFT));
-                tc &= (MAX_TRAFFIC_CLASS - 1);
-                if (fcoe->tc == tc) {
-                        fcoe->up = i;
-                        break;
-                }
-        }
-#endif
-
         return;
 
 out_extra_ddp_buffer:
@@ -856,41 +814,6 @@ out_disable:
         return rc;
 }
 
-#ifdef CONFIG_IXGBE_DCB
-/**
- * ixgbe_fcoe_setapp - sets the user priority bitmap for FCoE
- * @adapter : ixgbe adapter
- * @up : 802.1p user priority bitmap
- *
- * Finds out the traffic class from the input user priority
- * bitmap for FCoE.
- *
- * Returns : 0 on success otherwise returns 1 on error
- */
-u8 ixgbe_fcoe_setapp(struct ixgbe_adapter *adapter, u8 up)
-{
-        int i;
-        u32 up2tc;
-
-        /* valid user priority bitmap must not be 0 */
-        if (up) {
-                /* from user priority to the corresponding traffic class */
-                up2tc = IXGBE_READ_REG(&adapter->hw, IXGBE_RTTUP2TC);
-                for (i = 0; i < MAX_USER_PRIORITY; i++) {
-                        if (up & (1 << i)) {
-                                up2tc >>= (i * IXGBE_RTTUP2TC_UP_SHIFT);
-                                up2tc &= (MAX_TRAFFIC_CLASS - 1);
-                                adapter->fcoe.tc = (u8)up2tc;
-                                adapter->fcoe.up = i;
-                                return 0;
-                        }
-                }
-        }
-
-        return 1;
-}
-#endif /* CONFIG_IXGBE_DCB */
-
 /**
  * ixgbe_fcoe_get_wwn - get world wide name for the node or the port
  * @netdev : ixgbe adapter
diff --git a/drivers/net/ixgbe/ixgbe_fcoe.h b/drivers/net/ixgbe/ixgbe_fcoe.h
index d876e7ac2257..99de145e290d 100644
--- a/drivers/net/ixgbe/ixgbe_fcoe.h
+++ b/drivers/net/ixgbe/ixgbe_fcoe.h
@@ -74,7 +74,6 @@ struct ixgbe_fcoe {
         dma_addr_t extra_ddp_buffer_dma;
         unsigned long mode;
 #ifdef CONFIG_IXGBE_DCB
-        u8 tc;
         u8 up;
 #endif
 };
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 2496a27b5991..fa671ae0ab69 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -35,6 +35,7 @@
 #include <linux/interrupt.h>
 #include <linux/ip.h>
 #include <linux/tcp.h>
+#include <linux/sctp.h>
 #include <linux/pkt_sched.h>
 #include <linux/ipv6.h>
 #include <linux/slab.h>
@@ -771,15 +772,6 @@ static inline bool ixgbe_check_tx_hang(struct ixgbe_ring *tx_ring)
         return ret;
 }
 
-#define IXGBE_MAX_TXD_PWR       14
-#define IXGBE_MAX_DATA_PER_TXD  (1 << IXGBE_MAX_TXD_PWR)
-
-/* Tx Descriptors needed, worst case */
-#define TXD_USE_COUNT(S) (((S) >> IXGBE_MAX_TXD_PWR) + \
-                         (((S) & (IXGBE_MAX_DATA_PER_TXD - 1)) ? 1 : 0))
-#define DESC_NEEDED (TXD_USE_COUNT(IXGBE_MAX_DATA_PER_TXD) /* skb->data */ + \
-        MAX_SKB_FRAGS * TXD_USE_COUNT(PAGE_SIZE) + 1) /* for context */
-
 /**
  * ixgbe_tx_timeout_reset - initiate reset due to Tx timeout
  * @adapter: driver private struct
@@ -882,7 +874,7 @@ static bool ixgbe_clean_tx_irq(struct ixgbe_q_vector *q_vector,
 
 #define TX_WAKE_THRESHOLD (DESC_NEEDED * 2)
         if (unlikely(count && netif_carrier_ok(tx_ring->netdev) &&
-                     (IXGBE_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD))) {
+                     (ixgbe_desc_unused(tx_ring) >= TX_WAKE_THRESHOLD))) {
                 /* Make sure that anybody stopping the queue after this
                  * sees the new next_to_clean.
                  */
@@ -1474,7 +1466,7 @@ next_desc:
         }
 
         rx_ring->next_to_clean = i;
-        cleaned_count = IXGBE_DESC_UNUSED(rx_ring);
+        cleaned_count = ixgbe_desc_unused(rx_ring);
 
         if (cleaned_count)
                 ixgbe_alloc_rx_buffers(rx_ring, cleaned_count);
@@ -1880,8 +1872,7 @@ static void ixgbe_check_lsc(struct ixgbe_adapter *adapter)
 
 static irqreturn_t ixgbe_msix_lsc(int irq, void *data)
 {
-        struct net_device *netdev = data;
-        struct ixgbe_adapter *adapter = netdev_priv(netdev);
+        struct ixgbe_adapter *adapter = data;
         struct ixgbe_hw *hw = &adapter->hw;
         u32 eicr;
 
@@ -2376,7 +2367,7 @@ static int ixgbe_request_msix_irqs(struct ixgbe_adapter *adapter)
 
         sprintf(adapter->lsc_int_name, "%s:lsc", netdev->name);
         err = request_irq(adapter->msix_entries[vector].vector,
-                          ixgbe_msix_lsc, 0, adapter->lsc_int_name, netdev);
+                          ixgbe_msix_lsc, 0, adapter->lsc_int_name, adapter);
         if (err) {
                 e_err(probe, "request_irq for msix_lsc failed: %d\n", err);
                 goto free_queue_irqs;
@@ -2488,8 +2479,7 @@ static inline void ixgbe_irq_enable(struct ixgbe_adapter *adapter, bool queues,
  **/
 static irqreturn_t ixgbe_intr(int irq, void *data)
 {
-        struct net_device *netdev = data;
-        struct ixgbe_adapter *adapter = netdev_priv(netdev);
+        struct ixgbe_adapter *adapter = data;
         struct ixgbe_hw *hw = &adapter->hw;
         struct ixgbe_q_vector *q_vector = adapter->q_vector[0];
         u32 eicr;
@@ -2586,10 +2576,10 @@ static int ixgbe_request_irq(struct ixgbe_adapter *adapter)
                 err = ixgbe_request_msix_irqs(adapter);
         } else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) {
                 err = request_irq(adapter->pdev->irq, ixgbe_intr, 0,
-                                  netdev->name, netdev);
+                                  netdev->name, adapter);
         } else {
                 err = request_irq(adapter->pdev->irq, ixgbe_intr, IRQF_SHARED,
-                                  netdev->name, netdev);
+                                  netdev->name, adapter);
         }
 
         if (err)
@@ -2600,15 +2590,13 @@ static int ixgbe_request_irq(struct ixgbe_adapter *adapter)
 
 static void ixgbe_free_irq(struct ixgbe_adapter *adapter)
 {
-        struct net_device *netdev = adapter->netdev;
-
         if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
                 int i, q_vectors;
 
                 q_vectors = adapter->num_msix_vectors;
 
                 i = q_vectors - 1;
-                free_irq(adapter->msix_entries[i].vector, netdev);
+                free_irq(adapter->msix_entries[i].vector, adapter);
 
                 i--;
                 for (; i >= 0; i--) {
@@ -2623,7 +2611,7 @@ static void ixgbe_free_irq(struct ixgbe_adapter *adapter)
 
                 ixgbe_reset_q_vectors(adapter);
         } else {
-                free_irq(adapter->pdev->irq, netdev);
+                free_irq(adapter->pdev->irq, adapter);
         }
 }
 
@@ -3130,7 +3118,7 @@ void ixgbe_configure_rx_ring(struct ixgbe_adapter *adapter,
         IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(reg_idx), rxdctl);
 
         ixgbe_rx_desc_queue_enable(adapter, ring);
-        ixgbe_alloc_rx_buffers(ring, IXGBE_DESC_UNUSED(ring));
+        ixgbe_alloc_rx_buffers(ring, ixgbe_desc_unused(ring));
 }
 
 static void ixgbe_setup_psrtype(struct ixgbe_adapter *adapter)
@@ -5181,7 +5169,6 @@ static int __devinit ixgbe_sw_init(struct ixgbe_adapter *adapter)
                 adapter->ring_feature[RING_F_FCOE].indices = 0;
 #ifdef CONFIG_IXGBE_DCB
                 /* Default traffic class to use for FCoE */
-                adapter->fcoe.tc = IXGBE_FCOE_DEFTC;
                 adapter->fcoe.up = IXGBE_FCOE_DEFTC;
 #endif
 #endif /* IXGBE_FCOE */
@@ -6357,179 +6344,145 @@ static void ixgbe_service_task(struct work_struct *work)
         ixgbe_service_event_complete(adapter);
 }
 
-static int ixgbe_tso(struct ixgbe_adapter *adapter,
-                     struct ixgbe_ring *tx_ring, struct sk_buff *skb,
-                     u32 tx_flags, u8 *hdr_len, __be16 protocol)
+void ixgbe_tx_ctxtdesc(struct ixgbe_ring *tx_ring, u32 vlan_macip_lens,
+                       u32 fcoe_sof_eof, u32 type_tucmd, u32 mss_l4len_idx)
 {
         struct ixgbe_adv_tx_context_desc *context_desc;
-        unsigned int i;
-        int err;
-        struct ixgbe_tx_buffer *tx_buffer_info;
-        u32 vlan_macip_lens = 0, type_tucmd_mlhl;
-        u32 mss_l4len_idx, l4len;
+        u16 i = tx_ring->next_to_use;
 
-        if (skb_is_gso(skb)) {
-                if (skb_header_cloned(skb)) {
-                        err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
-                        if (err)
-                                return err;
-                }
-                l4len = tcp_hdrlen(skb);
-                *hdr_len += l4len;
-
-                if (protocol == htons(ETH_P_IP)) {
-                        struct iphdr *iph = ip_hdr(skb);
-                        iph->tot_len = 0;
-                        iph->check = 0;
-                        tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
-                                                                 iph->daddr, 0,
-                                                                 IPPROTO_TCP,
-                                                                 0);
-                } else if (skb_is_gso_v6(skb)) {
-                        ipv6_hdr(skb)->payload_len = 0;
-                        tcp_hdr(skb)->check =
-                            ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
-                                             &ipv6_hdr(skb)->daddr,
-                                             0, IPPROTO_TCP, 0);
-                }
+        context_desc = IXGBE_TX_CTXTDESC_ADV(tx_ring, i);
 
-                i = tx_ring->next_to_use;
+        i++;
+        tx_ring->next_to_use = (i < tx_ring->count) ? i : 0;
 
-                tx_buffer_info = &tx_ring->tx_buffer_info[i];
-                context_desc = IXGBE_TX_CTXTDESC_ADV(tx_ring, i);
-
-                /* VLAN MACLEN IPLEN */
-                if (tx_flags & IXGBE_TX_FLAGS_VLAN)
-                        vlan_macip_lens |=
-                            (tx_flags & IXGBE_TX_FLAGS_VLAN_MASK);
-                vlan_macip_lens |= ((skb_network_offset(skb)) <<
-                                    IXGBE_ADVTXD_MACLEN_SHIFT);
-                *hdr_len += skb_network_offset(skb);
-                vlan_macip_lens |=
-                    (skb_transport_header(skb) - skb_network_header(skb));
-                *hdr_len +=
-                    (skb_transport_header(skb) - skb_network_header(skb));
-                context_desc->vlan_macip_lens = cpu_to_le32(vlan_macip_lens);
-                context_desc->seqnum_seed = 0;
-
-                /* ADV DTYP TUCMD MKRLOC/ISCSIHEDLEN */
-                type_tucmd_mlhl = (IXGBE_TXD_CMD_DEXT |
-                                   IXGBE_ADVTXD_DTYP_CTXT);
+        /* set bits to identify this as an advanced context descriptor */
+        type_tucmd |= IXGBE_TXD_CMD_DEXT | IXGBE_ADVTXD_DTYP_CTXT;
 
-                if (protocol == htons(ETH_P_IP))
-                        type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_IPV4;
-                type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_L4T_TCP;
-                context_desc->type_tucmd_mlhl = cpu_to_le32(type_tucmd_mlhl);
-
-                /* MSS L4LEN IDX */
-                mss_l4len_idx =
-                    (skb_shinfo(skb)->gso_size << IXGBE_ADVTXD_MSS_SHIFT);
-                mss_l4len_idx |= (l4len << IXGBE_ADVTXD_L4LEN_SHIFT);
-                /* use index 1 for TSO */
-                mss_l4len_idx |= (1 << IXGBE_ADVTXD_IDX_SHIFT);
-                context_desc->mss_l4len_idx = cpu_to_le32(mss_l4len_idx);
+        context_desc->vlan_macip_lens   = cpu_to_le32(vlan_macip_lens);
+        context_desc->seqnum_seed       = cpu_to_le32(fcoe_sof_eof);
+        context_desc->type_tucmd_mlhl   = cpu_to_le32(type_tucmd);
+        context_desc->mss_l4len_idx     = cpu_to_le32(mss_l4len_idx);
+}
 
-                tx_buffer_info->time_stamp = jiffies;
-                tx_buffer_info->next_to_watch = i;
+static int ixgbe_tso(struct ixgbe_ring *tx_ring, struct sk_buff *skb,
+                     u32 tx_flags, __be16 protocol, u8 *hdr_len)
+{
+        int err;
+        u32 vlan_macip_lens, type_tucmd;
+        u32 mss_l4len_idx, l4len;
 
-                i++;
-                if (i == tx_ring->count)
-                        i = 0;
-                tx_ring->next_to_use = i;
+        if (!skb_is_gso(skb))
+                return 0;
 
-                return true;
+        if (skb_header_cloned(skb)) {
+                err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
+                if (err)
+                        return err;
         }
-        return false;
-}
 
-static u32 ixgbe_psum(struct ixgbe_adapter *adapter, struct sk_buff *skb,
-                      __be16 protocol)
+        /* ADV DTYP TUCMD MKRLOC/ISCSIHEDLEN */
+        type_tucmd = IXGBE_ADVTXD_TUCMD_L4T_TCP;
+
+        if (protocol == __constant_htons(ETH_P_IP)) {
+                struct iphdr *iph = ip_hdr(skb);
+                iph->tot_len = 0;
+                iph->check = 0;
+                tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
+                                                         iph->daddr, 0,
+                                                         IPPROTO_TCP,
+                                                         0);
+                type_tucmd |= IXGBE_ADVTXD_TUCMD_IPV4;
+        } else if (skb_is_gso_v6(skb)) {
+                ipv6_hdr(skb)->payload_len = 0;
+                tcp_hdr(skb)->check =
+                    ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
+                                     &ipv6_hdr(skb)->daddr,
+                                     0, IPPROTO_TCP, 0);
+        }
+
+        l4len = tcp_hdrlen(skb);
+        *hdr_len = skb_transport_offset(skb) + l4len;
+
+        /* mss_l4len_id: use 1 as index for TSO */
+        mss_l4len_idx = l4len << IXGBE_ADVTXD_L4LEN_SHIFT;
+        mss_l4len_idx |= skb_shinfo(skb)->gso_size << IXGBE_ADVTXD_MSS_SHIFT;
+        mss_l4len_idx |= 1 << IXGBE_ADVTXD_IDX_SHIFT;
+
+        /* vlan_macip_lens: HEADLEN, MACLEN, VLAN tag */
+        vlan_macip_lens = skb_network_header_len(skb);
+        vlan_macip_lens |= skb_network_offset(skb) << IXGBE_ADVTXD_MACLEN_SHIFT;
+        vlan_macip_lens |= tx_flags & IXGBE_TX_FLAGS_VLAN_MASK;
+
+        ixgbe_tx_ctxtdesc(tx_ring, vlan_macip_lens, 0, type_tucmd,
+                          mss_l4len_idx);
+
+        return 1;
+}
+
+static bool ixgbe_tx_csum(struct ixgbe_ring *tx_ring,
+                          struct sk_buff *skb, u32 tx_flags,
+                          __be16 protocol)
 {
-        u32 rtn = 0;
+        u32 vlan_macip_lens = 0;
+        u32 mss_l4len_idx = 0;
+        u32 type_tucmd = 0;
 
-        switch (protocol) {
-        case cpu_to_be16(ETH_P_IP):
-                rtn |= IXGBE_ADVTXD_TUCMD_IPV4;
-                switch (ip_hdr(skb)->protocol) {
-                case IPPROTO_TCP:
-                        rtn |= IXGBE_ADVTXD_TUCMD_L4T_TCP;
+        if (skb->ip_summed != CHECKSUM_PARTIAL) {
+            if (!(tx_flags & IXGBE_TX_FLAGS_VLAN))
+                        return false;
+        } else {
+                u8 l4_hdr = 0;
+                switch (protocol) {
+                case __constant_htons(ETH_P_IP):
+                        vlan_macip_lens |= skb_network_header_len(skb);
+                        type_tucmd |= IXGBE_ADVTXD_TUCMD_IPV4;
+                        l4_hdr = ip_hdr(skb)->protocol;
                         break;
-                case IPPROTO_SCTP:
-                        rtn |= IXGBE_ADVTXD_TUCMD_L4T_SCTP;
+                case __constant_htons(ETH_P_IPV6):
+                        vlan_macip_lens |= skb_network_header_len(skb);
+                        l4_hdr = ipv6_hdr(skb)->nexthdr;
+                        break;
+                default:
+                        if (unlikely(net_ratelimit())) {
+                                dev_warn(tx_ring->dev,
+                                 "partial checksum but proto=%x!\n",
+                                 skb->protocol);
+                        }
                         break;
                 }
-                break;
-        case cpu_to_be16(ETH_P_IPV6):
-                /* XXX what about other V6 headers?? */
-                switch (ipv6_hdr(skb)->nexthdr) {
+
+                switch (l4_hdr) {
                 case IPPROTO_TCP:
-                        rtn |= IXGBE_ADVTXD_TUCMD_L4T_TCP;
+                        type_tucmd |= IXGBE_ADVTXD_TUCMD_L4T_TCP;
+                        mss_l4len_idx = tcp_hdrlen(skb) <<
+                                        IXGBE_ADVTXD_L4LEN_SHIFT;
                         break;
                 case IPPROTO_SCTP:
-                        rtn |= IXGBE_ADVTXD_TUCMD_L4T_SCTP;
+                        type_tucmd |= IXGBE_ADVTXD_TUCMD_L4T_SCTP;
+                        mss_l4len_idx = sizeof(struct sctphdr) <<
+                                        IXGBE_ADVTXD_L4LEN_SHIFT;
+                        break;
+                case IPPROTO_UDP:
+                        mss_l4len_idx = sizeof(struct udphdr) <<
+                                        IXGBE_ADVTXD_L4LEN_SHIFT;
+                        break;
+                default:
+                        if (unlikely(net_ratelimit())) {
+                                dev_warn(tx_ring->dev,
+                                 "partial checksum but l4 proto=%x!\n",
+                                 skb->protocol);
+                        }
                         break;
                 }
-                break;
-        default:
-                if (unlikely(net_ratelimit()))
-                        e_warn(probe, "partial checksum but proto=%x!\n",
-                               protocol);
-                break;
         }
 
-        return rtn;
-}
-
-static bool ixgbe_tx_csum(struct ixgbe_adapter *adapter,
-                          struct ixgbe_ring *tx_ring,
-                          struct sk_buff *skb, u32 tx_flags,
-                          __be16 protocol)
-{
-        struct ixgbe_adv_tx_context_desc *context_desc;
-        unsigned int i;
-        struct ixgbe_tx_buffer *tx_buffer_info;
-        u32 vlan_macip_lens = 0, type_tucmd_mlhl = 0;
-
-        if (skb->ip_summed == CHECKSUM_PARTIAL ||
-            (tx_flags & IXGBE_TX_FLAGS_VLAN)) {
-                i = tx_ring->next_to_use;
-                tx_buffer_info = &tx_ring->tx_buffer_info[i];
-                context_desc = IXGBE_TX_CTXTDESC_ADV(tx_ring, i);
-
-                if (tx_flags & IXGBE_TX_FLAGS_VLAN)
-                        vlan_macip_lens |=
-                            (tx_flags & IXGBE_TX_FLAGS_VLAN_MASK);
-                vlan_macip_lens |= (skb_network_offset(skb) <<
-                                    IXGBE_ADVTXD_MACLEN_SHIFT);
-                if (skb->ip_summed == CHECKSUM_PARTIAL)
-                        vlan_macip_lens |= (skb_transport_header(skb) -
-                                            skb_network_header(skb));
-
-                context_desc->vlan_macip_lens = cpu_to_le32(vlan_macip_lens);
-                context_desc->seqnum_seed = 0;
+        vlan_macip_lens |= skb_network_offset(skb) << IXGBE_ADVTXD_MACLEN_SHIFT;
+        vlan_macip_lens |= tx_flags & IXGBE_TX_FLAGS_VLAN_MASK;
 
-                type_tucmd_mlhl |= (IXGBE_TXD_CMD_DEXT |
-                                    IXGBE_ADVTXD_DTYP_CTXT);
+        ixgbe_tx_ctxtdesc(tx_ring, vlan_macip_lens, 0,
+                          type_tucmd, mss_l4len_idx);
 
-                if (skb->ip_summed == CHECKSUM_PARTIAL)
-                        type_tucmd_mlhl |= ixgbe_psum(adapter, skb, protocol);
-
-                context_desc->type_tucmd_mlhl = cpu_to_le32(type_tucmd_mlhl);
-                /* use index zero for tx checksum offload */
-                context_desc->mss_l4len_idx = 0;
-
-                tx_buffer_info->time_stamp = jiffies;
-                tx_buffer_info->next_to_watch = i;
-
-                i++;
-                if (i == tx_ring->count)
-                        i = 0;
-                tx_ring->next_to_use = i;
-
-                return true;
-        }
-
-        return false;
+        return (skb->ip_summed == CHECKSUM_PARTIAL);
 }
 
 static int ixgbe_tx_map(struct ixgbe_adapter *adapter,
@@ -6541,11 +6494,12 @@ static int ixgbe_tx_map(struct ixgbe_adapter *adapter,
         struct ixgbe_tx_buffer *tx_buffer_info;
         unsigned int len;
         unsigned int total = skb->len;
-        unsigned int offset = 0, size, count = 0, i;
+        unsigned int offset = 0, size, count = 0;
         unsigned int nr_frags = skb_shinfo(skb)->nr_frags;
         unsigned int f;
         unsigned int bytecount = skb->len;
         u16 gso_segs = 1;
+        u16 i;
 
         i = tx_ring->next_to_use;
 
@@ -6811,7 +6765,7 @@ static void ixgbe_atr(struct ixgbe_ring *ring, struct sk_buff *skb,
                                               input, common, ring->queue_index);
 }
 
-static int __ixgbe_maybe_stop_tx(struct ixgbe_ring *tx_ring, int size)
+static int __ixgbe_maybe_stop_tx(struct ixgbe_ring *tx_ring, u16 size)
 {
         netif_stop_subqueue(tx_ring->netdev, tx_ring->queue_index);
         /* Herbert's original patch had:
@@ -6821,7 +6775,7 @@ static int __ixgbe_maybe_stop_tx(struct ixgbe_ring *tx_ring, int size)
 
         /* We need to check again in a case another CPU has just
          * made room available. */
-        if (likely(IXGBE_DESC_UNUSED(tx_ring) < size))
+        if (likely(ixgbe_desc_unused(tx_ring) < size))
                 return -EBUSY;
 
         /* A reprieve! - use start_queue because it doesn't call schedule */
@@ -6830,9 +6784,9 @@ static int __ixgbe_maybe_stop_tx(struct ixgbe_ring *tx_ring, int size)
         return 0;
 }
 
-static int ixgbe_maybe_stop_tx(struct ixgbe_ring *tx_ring, int size)
+static int ixgbe_maybe_stop_tx(struct ixgbe_ring *tx_ring, u16 size)
 {
-        if (likely(IXGBE_DESC_UNUSED(tx_ring) >= size))
+        if (likely(ixgbe_desc_unused(tx_ring) >= size))
                 return 0;
         return __ixgbe_maybe_stop_tx(tx_ring, size);
 }
@@ -6868,13 +6822,33 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb,
                           struct ixgbe_adapter *adapter,
                           struct ixgbe_ring *tx_ring)
 {
-        unsigned int first;
-        unsigned int tx_flags = 0;
-        u8 hdr_len = 0;
         int tso;
-        int count = 0;
-        unsigned int f;
+        u32  tx_flags = 0;
+#if PAGE_SIZE > IXGBE_MAX_DATA_PER_TXD
+        unsigned short f;
+#endif
+        u16 first;
+        u16 count = TXD_USE_COUNT(skb_headlen(skb));
         __be16 protocol;
+        u8 hdr_len = 0;
+
+        /*
+         * need: 1 descriptor per page * PAGE_SIZE/IXGBE_MAX_DATA_PER_TXD,
+         *       + 1 desc for skb_head_len/IXGBE_MAX_DATA_PER_TXD,
+         *       + 2 desc gap to keep tail from touching head,
+         *       + 1 desc for context descriptor,
+         * otherwise try next time
+         */
+#if PAGE_SIZE > IXGBE_MAX_DATA_PER_TXD
+        for (f = 0; f < skb_shinfo(skb)->nr_frags; f++)
+                count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size);
+#else
+        count += skb_shinfo(skb)->nr_frags;
+#endif
+        if (ixgbe_maybe_stop_tx(tx_ring, count + 3)) {
+                tx_ring->tx_stats.tx_busy++;
+                return NETDEV_TX_BUSY;
+        }
 
         protocol = vlan_get_protocol(skb);
 
@@ -6899,51 +6873,29 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb,
         if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED &&
             (protocol == htons(ETH_P_FCOE)))
                 tx_flags |= IXGBE_TX_FLAGS_FCOE;
-#endif
-
-        /* four things can cause us to need a context descriptor */
-        if (skb_is_gso(skb) ||
-            (skb->ip_summed == CHECKSUM_PARTIAL) ||
-            (tx_flags & IXGBE_TX_FLAGS_VLAN) ||
-            (tx_flags & IXGBE_TX_FLAGS_FCOE))
-                count++;
-
-        count += TXD_USE_COUNT(skb_headlen(skb));
-        for (f = 0; f < skb_shinfo(skb)->nr_frags; f++)
-                count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size);
-
-        if (ixgbe_maybe_stop_tx(tx_ring, count)) {
-                tx_ring->tx_stats.tx_busy++;
-                return NETDEV_TX_BUSY;
-        }
 
+#endif
+        /* record the location of the first descriptor for this packet */
         first = tx_ring->next_to_use;
+
         if (tx_flags & IXGBE_TX_FLAGS_FCOE) {
 #ifdef IXGBE_FCOE
                 /* setup tx offload for FCoE */
-                tso = ixgbe_fso(adapter, tx_ring, skb, tx_flags, &hdr_len);
-                if (tso < 0) {
-                        dev_kfree_skb_any(skb);
-                        return NETDEV_TX_OK;
-                }
-                if (tso)
+                tso = ixgbe_fso(tx_ring, skb, tx_flags, &hdr_len);
+                if (tso < 0)
+                        goto out_drop;
+                else if (tso)
                         tx_flags |= IXGBE_TX_FLAGS_FSO;
 #endif /* IXGBE_FCOE */
         } else {
                 if (protocol == htons(ETH_P_IP))
                         tx_flags |= IXGBE_TX_FLAGS_IPV4;
-                tso = ixgbe_tso(adapter, tx_ring, skb, tx_flags, &hdr_len,
-                                protocol);
-                if (tso < 0) {
-                        dev_kfree_skb_any(skb);
-                        return NETDEV_TX_OK;
-                }
-
-                if (tso)
+                tso = ixgbe_tso(tx_ring, skb, tx_flags, protocol, &hdr_len);
+                if (tso < 0)
+                        goto out_drop;
+                else if (tso)
                         tx_flags |= IXGBE_TX_FLAGS_TSO;
-                else if (ixgbe_tx_csum(adapter, tx_ring, skb, tx_flags,
-                                       protocol) &&
-                         (skb->ip_summed == CHECKSUM_PARTIAL))
+                else if (ixgbe_tx_csum(tx_ring, skb, tx_flags, protocol))
                         tx_flags |= IXGBE_TX_FLAGS_CSUM;
         }
 
@@ -6956,12 +6908,16 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb,
                 ixgbe_maybe_stop_tx(tx_ring, DESC_NEEDED);
 
         } else {
-                dev_kfree_skb_any(skb);
                 tx_ring->tx_buffer_info[first].time_stamp = 0;
                 tx_ring->next_to_use = first;
+                goto out_drop;
         }
 
         return NETDEV_TX_OK;
+
+out_drop:
+        dev_kfree_skb_any(skb);
+        return NETDEV_TX_OK;
 }
 
 static netdev_tx_t ixgbe_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
diff --git a/drivers/net/ixgbe/ixgbe_sriov.c b/drivers/net/ixgbe/ixgbe_sriov.c
index ac99b0458fe2..d99d01e21326 100644
--- a/drivers/net/ixgbe/ixgbe_sriov.c
+++ b/drivers/net/ixgbe/ixgbe_sriov.c
@@ -605,6 +605,22 @@ static void ixgbe_set_vf_rate_limit(struct ixgbe_hw *hw, int vf, int tx_rate,
         }
 
         IXGBE_WRITE_REG(hw, IXGBE_RTTDQSEL, 2*vf); /* vf Y uses queue 2*Y */
+        /*
+         * Set global transmit compensation time to the MMW_SIZE in RTTBCNRM
+         * register. Typically MMW_SIZE=0x014 if 9728-byte jumbo is supported
+         * and 0x004 otherwise.
+         */
+        switch (hw->mac.type) {
+        case ixgbe_mac_82599EB:
+                IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRM, 0x4);
+                break;
+        case ixgbe_mac_X540:
+                IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRM, 0x14);
+                break;
+        default:
+                break;
+        }
+
         IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRC, bcnrc_val);
 }
 
diff --git a/drivers/net/ixgbe/ixgbe_type.h b/drivers/net/ixgbe/ixgbe_type.h
index 1eefc0c68409..e0d970ebab7a 100644
--- a/drivers/net/ixgbe/ixgbe_type.h
+++ b/drivers/net/ixgbe/ixgbe_type.h
@@ -534,7 +534,7 @@
 #define IXGBE_RTTBCNRC_RF_INT_SHIFT     14
 #define IXGBE_RTTBCNRC_RF_INT_MASK      \
         (IXGBE_RTTBCNRC_RF_DEC_MASK << IXGBE_RTTBCNRC_RF_INT_SHIFT)
-
+#define IXGBE_RTTBCNRM    0x04980
 
 /* FCoE DMA Context Registers */
 #define IXGBE_FCPTRL    0x02410 /* FC User Desc. PTR Low */