Merge tag 'v3.15-rc6' into sched/core, to pick up the latest fixes

Signed-off-by: Ingo Molnar <mingo@kernel.org>

17 files changed, 106 insertions, 112 deletions

diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c
index 9866f264f55e..f0bbd4246d71 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.c
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c
@@ -186,7 +186,7 @@ static bool e1000_phy_is_accessible_pchlan(struct e1000_hw *hw)
 {
         u16 phy_reg = 0;
         u32 phy_id = 0;
-        s32 ret_val;
+        s32 ret_val = 0;
         u16 retry_count;
         u32 mac_reg = 0;
 
@@ -217,11 +217,13 @@ static bool e1000_phy_is_accessible_pchlan(struct e1000_hw *hw)
         /* In case the PHY needs to be in mdio slow mode,
          * set slow mode and try to get the PHY id again.
          */
-        hw->phy.ops.release(hw);
-        ret_val = e1000_set_mdio_slow_mode_hv(hw);
-        if (!ret_val)
-                ret_val = e1000e_get_phy_id(hw);
-        hw->phy.ops.acquire(hw);
+        if (hw->mac.type < e1000_pch_lpt) {
+                hw->phy.ops.release(hw);
+                ret_val = e1000_set_mdio_slow_mode_hv(hw);
+                if (!ret_val)
+                        ret_val = e1000e_get_phy_id(hw);
+                hw->phy.ops.acquire(hw);
+        }
 
         if (ret_val)
                 return false;
@@ -842,6 +844,17 @@ s32 e1000_set_eee_pchlan(struct e1000_hw *hw)
                 }
         }
 
+        if (hw->phy.type == e1000_phy_82579) {
+                ret_val = e1000_read_emi_reg_locked(hw, I82579_LPI_PLL_SHUT,
+                                                    &data);
+                if (ret_val)
+                        goto release;
+
+                data &= ~I82579_LPI_100_PLL_SHUT;
+                ret_val = e1000_write_emi_reg_locked(hw, I82579_LPI_PLL_SHUT,
+                                                     data);
+        }
+
         /* R/Clr IEEE MMD 3.1 bits 11:10 - Tx/Rx LPI Received */
         ret_val = e1000_read_emi_reg_locked(hw, pcs_status, &data);
         if (ret_val)
@@ -1314,14 +1327,17 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw)
                         return ret_val;
         }
 
-        /* When connected at 10Mbps half-duplex, 82579 parts are excessively
+        /* When connected at 10Mbps half-duplex, some parts are excessively
          * aggressive resulting in many collisions. To avoid this, increase
          * the IPG and reduce Rx latency in the PHY.
          */
-        if ((hw->mac.type == e1000_pch2lan) && link) {
+        if (((hw->mac.type == e1000_pch2lan) ||
+             (hw->mac.type == e1000_pch_lpt)) && link) {
                 u32 reg;
                 reg = er32(STATUS);
                 if (!(reg & (E1000_STATUS_FD | E1000_STATUS_SPEED_MASK))) {
+                        u16 emi_addr;
+
                         reg = er32(TIPG);
                         reg &= ~E1000_TIPG_IPGT_MASK;
                         reg |= 0xFF;
@@ -1332,8 +1348,12 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw)
                         if (ret_val)
                                 return ret_val;
 
-                        ret_val =
-                            e1000_write_emi_reg_locked(hw, I82579_RX_CONFIG, 0);
+                        if (hw->mac.type == e1000_pch2lan)
+                                emi_addr = I82579_RX_CONFIG;
+                        else
+                                emi_addr = I217_RX_CONFIG;
+
+                        ret_val = e1000_write_emi_reg_locked(hw, emi_addr, 0);
 
                         hw->phy.ops.release(hw);
 
@@ -2493,51 +2513,44 @@ release:
  *  e1000_k1_gig_workaround_lv - K1 Si workaround
  *  @hw:   pointer to the HW structure
  *
- *  Workaround to set the K1 beacon duration for 82579 parts
+ *  Workaround to set the K1 beacon duration for 82579 parts in 10Mbps
+ *  Disable K1 in 1000Mbps and 100Mbps
  **/
 static s32 e1000_k1_workaround_lv(struct e1000_hw *hw)
 {
         s32 ret_val = 0;
         u16 status_reg = 0;
-        u32 mac_reg;
-        u16 phy_reg;
 
         if (hw->mac.type != e1000_pch2lan)
                 return 0;
 
-        /* Set K1 beacon duration based on 1Gbps speed or otherwise */
+        /* Set K1 beacon duration based on 10Mbs speed */
         ret_val = e1e_rphy(hw, HV_M_STATUS, &status_reg);
         if (ret_val)
                 return ret_val;
 
         if ((status_reg & (HV_M_STATUS_LINK_UP | HV_M_STATUS_AUTONEG_COMPLETE))
             == (HV_M_STATUS_LINK_UP | HV_M_STATUS_AUTONEG_COMPLETE)) {
-                mac_reg = er32(FEXTNVM4);
-                mac_reg &= ~E1000_FEXTNVM4_BEACON_DURATION_MASK;
-
-                ret_val = e1e_rphy(hw, I82579_LPI_CTRL, &phy_reg);
-                if (ret_val)
-                        return ret_val;
-
-                if (status_reg & HV_M_STATUS_SPEED_1000) {
+                if (status_reg &
+                    (HV_M_STATUS_SPEED_1000 | HV_M_STATUS_SPEED_100)) {
                         u16 pm_phy_reg;
 
-                        mac_reg |= E1000_FEXTNVM4_BEACON_DURATION_8USEC;
-                        phy_reg &= ~I82579_LPI_CTRL_FORCE_PLL_LOCK_COUNT;
-                        /* LV 1G Packet drop issue wa  */
+                        /* LV 1G/100 Packet drop issue wa  */
                         ret_val = e1e_rphy(hw, HV_PM_CTRL, &pm_phy_reg);
                         if (ret_val)
                                 return ret_val;
-                        pm_phy_reg &= ~HV_PM_CTRL_PLL_STOP_IN_K1_GIGA;
+                        pm_phy_reg &= ~HV_PM_CTRL_K1_ENABLE;
                         ret_val = e1e_wphy(hw, HV_PM_CTRL, pm_phy_reg);
                         if (ret_val)
                                 return ret_val;
                 } else {
+                        u32 mac_reg;
+
+                        mac_reg = er32(FEXTNVM4);
+                        mac_reg &= ~E1000_FEXTNVM4_BEACON_DURATION_MASK;
                         mac_reg |= E1000_FEXTNVM4_BEACON_DURATION_16USEC;
-                        phy_reg |= I82579_LPI_CTRL_FORCE_PLL_LOCK_COUNT;
+                        ew32(FEXTNVM4, mac_reg);
                 }
-                ew32(FEXTNVM4, mac_reg);
-                ret_val = e1e_wphy(hw, I82579_LPI_CTRL, phy_reg);
         }
 
         return ret_val;
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.h b/drivers/net/ethernet/intel/e1000e/ich8lan.h
index bead50f9187b..5515126c81c1 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.h
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.h
@@ -232,16 +232,19 @@
 #define I82577_MSE_THRESHOLD    0x0887  /* 82577 Mean Square Error Threshold */
 #define I82579_MSE_LINK_DOWN    0x2411  /* MSE count before dropping link */
 #define I82579_RX_CONFIG                0x3412  /* Receive configuration */
+#define I82579_LPI_PLL_SHUT             0x4412  /* LPI PLL Shut Enable */
 #define I82579_EEE_PCS_STATUS           0x182E  /* IEEE MMD Register 3.1 >> 8 */
 #define I82579_EEE_CAPABILITY           0x0410  /* IEEE MMD Register 3.20 */
 #define I82579_EEE_ADVERTISEMENT        0x040E  /* IEEE MMD Register 7.60 */
 #define I82579_EEE_LP_ABILITY           0x040F  /* IEEE MMD Register 7.61 */
 #define I82579_EEE_100_SUPPORTED        (1 << 1)        /* 100BaseTx EEE */
 #define I82579_EEE_1000_SUPPORTED       (1 << 2)        /* 1000BaseTx EEE */
+#define I82579_LPI_100_PLL_SHUT (1 << 2)        /* 100M LPI PLL Shut Enabled */
 #define I217_EEE_PCS_STATUS     0x9401  /* IEEE MMD Register 3.1 */
 #define I217_EEE_CAPABILITY     0x8000  /* IEEE MMD Register 3.20 */
 #define I217_EEE_ADVERTISEMENT  0x8001  /* IEEE MMD Register 7.60 */
 #define I217_EEE_LP_ABILITY     0x8002  /* IEEE MMD Register 7.61 */
+#define I217_RX_CONFIG          0xB20C  /* Receive configuration */
 
 #define E1000_EEE_RX_LPI_RCVD   0x0400  /* Tx LP idle received */
 #define E1000_EEE_TX_LPI_RCVD   0x0800  /* Rx LP idle received */
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index d50c91e50528..3e69386add04 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -1165,7 +1165,7 @@ static void e1000e_tx_hwtstamp_work(struct work_struct *work)
                 dev_kfree_skb_any(adapter->tx_hwtstamp_skb);
                 adapter->tx_hwtstamp_skb = NULL;
                 adapter->tx_hwtstamp_timeouts++;
-                e_warn("clearing Tx timestamp hang");
+                e_warn("clearing Tx timestamp hang\n");
         } else {
                 /* reschedule to check later */
                 schedule_work(&adapter->tx_hwtstamp_work);
@@ -5687,7 +5687,7 @@ struct rtnl_link_stats64 *e1000e_get_stats64(struct net_device *netdev,
 static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
 {
         struct e1000_adapter *adapter = netdev_priv(netdev);
-        int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN;
+        int max_frame = new_mtu + VLAN_HLEN + ETH_HLEN + ETH_FCS_LEN;
 
         /* Jumbo frame support */
         if ((max_frame > ETH_FRAME_LEN + ETH_FCS_LEN) &&
@@ -6235,6 +6235,7 @@ static int __e1000_resume(struct pci_dev *pdev)
         return 0;
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int e1000e_pm_thaw(struct device *dev)
 {
         struct net_device *netdev = pci_get_drvdata(to_pci_dev(dev));
@@ -6255,7 +6256,6 @@ static int e1000e_pm_thaw(struct device *dev)
         return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int e1000e_pm_suspend(struct device *dev)
 {
         struct pci_dev *pdev = to_pci_dev(dev);
diff --git a/drivers/net/ethernet/intel/e1000e/phy.h b/drivers/net/ethernet/intel/e1000e/phy.h
index 3841bccf058c..537d2780b408 100644
--- a/drivers/net/ethernet/intel/e1000e/phy.h
+++ b/drivers/net/ethernet/intel/e1000e/phy.h
@@ -164,6 +164,7 @@ s32 e1000_get_cable_length_82577(struct e1000_hw *hw);
 #define HV_M_STATUS_AUTONEG_COMPLETE    0x1000
 #define HV_M_STATUS_SPEED_MASK          0x0300
 #define HV_M_STATUS_SPEED_1000          0x0200
+#define HV_M_STATUS_SPEED_100           0x0100
 #define HV_M_STATUS_LINK_UP             0x0040
 
 #define IGP01E1000_PHY_PCS_INIT_REG     0x00B4
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 861b722c2672..cf0761f08911 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -2897,12 +2897,9 @@ static irqreturn_t i40e_intr(int irq, void *data)
                 u32 prttsyn_stat = rd32(hw, I40E_PRTTSYN_STAT_0);
 
                 if (prttsyn_stat & I40E_PRTTSYN_STAT_0_TXTIME_MASK) {
-                        ena_mask &= ~I40E_PFINT_ICR0_ENA_TIMESYNC_MASK;
+                        icr0 &= ~I40E_PFINT_ICR0_ENA_TIMESYNC_MASK;
                         i40e_ptp_tx_hwtstamp(pf);
-                        prttsyn_stat &= ~I40E_PRTTSYN_STAT_0_TXTIME_MASK;
                 }
-
-                wr32(hw, I40E_PRTTSYN_STAT_0, prttsyn_stat);
         }
 
         /* If a critical error is pending we have no choice but to reset the
@@ -4271,6 +4268,14 @@ static int i40e_open(struct net_device *netdev)
         if (err)
                 return err;
 
+        /* configure global TSO hardware offload settings */
+        wr32(&pf->hw, I40E_GLLAN_TSOMSK_F, be32_to_cpu(TCP_FLAG_PSH |
+                                                       TCP_FLAG_FIN) >> 16);
+        wr32(&pf->hw, I40E_GLLAN_TSOMSK_M, be32_to_cpu(TCP_FLAG_PSH |
+                                                       TCP_FLAG_FIN |
+                                                       TCP_FLAG_CWR) >> 16);
+        wr32(&pf->hw, I40E_GLLAN_TSOMSK_L, be32_to_cpu(TCP_FLAG_CWR) >> 16);
+
 #ifdef CONFIG_I40E_VXLAN
         vxlan_get_rx_port(netdev);
 #endif
@@ -6712,6 +6717,7 @@ static int i40e_config_netdev(struct i40e_vsi *vsi)
                            NETIF_F_HW_VLAN_CTAG_FILTER |
                            NETIF_F_IPV6_CSUM           |
                            NETIF_F_TSO                 |
+                           NETIF_F_TSO_ECN             |
                            NETIF_F_TSO6                |
                            NETIF_F_RXCSUM              |
                            NETIF_F_NTUPLE              |
diff --git a/drivers/net/ethernet/intel/i40e/i40e_nvm.c b/drivers/net/ethernet/intel/i40e/i40e_nvm.c
index 262bdf11d221..81299189a47d 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_nvm.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_nvm.c
@@ -160,7 +160,7 @@ static i40e_status i40e_poll_sr_srctl_done_bit(struct i40e_hw *hw)
                 udelay(5);
         }
         if (ret_code == I40E_ERR_TIMEOUT)
-                hw_dbg(hw, "Done bit in GLNVM_SRCTL not set");
+                hw_dbg(hw, "Done bit in GLNVM_SRCTL not set\n");
         return ret_code;
 }
 
diff --git a/drivers/net/ethernet/intel/i40e/i40e_ptp.c b/drivers/net/ethernet/intel/i40e/i40e_ptp.c
index e33ec6c842b7..e61e63720800 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_ptp.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_ptp.c
@@ -239,7 +239,7 @@ static void i40e_ptp_tx_work(struct work_struct *work)
                 dev_kfree_skb_any(pf->ptp_tx_skb);
                 pf->ptp_tx_skb = NULL;
                 pf->tx_hwtstamp_timeouts++;
-                dev_warn(&pf->pdev->dev, "clearing Tx timestamp hang");
+                dev_warn(&pf->pdev->dev, "clearing Tx timestamp hang\n");
                 return;
         }
 
@@ -321,7 +321,7 @@ void i40e_ptp_rx_hang(struct i40e_vsi *vsi)
                 pf->last_rx_ptp_check = jiffies;
                 pf->rx_hwtstamp_cleared++;
                 dev_warn(&vsi->back->pdev->dev,
-                         "%s: clearing Rx timestamp hang",
+                         "%s: clearing Rx timestamp hang\n",
                          __func__);
         }
 }
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index 0f5d96ad281d..9478ddc66caf 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -418,7 +418,7 @@ int i40e_add_del_fdir(struct i40e_vsi *vsi,
                 }
                 break;
         default:
-                dev_info(&pf->pdev->dev, "Could not specify spec type %d",
+                dev_info(&pf->pdev->dev, "Could not specify spec type %d\n",
                          input->flow_type);
                 ret = -EINVAL;
         }
@@ -478,7 +478,7 @@ static void i40e_fd_handle_status(struct i40e_ring *rx_ring,
                                 pf->flags |= I40E_FLAG_FDIR_REQUIRES_REINIT;
                         }
                 } else {
-                        dev_info(&pdev->dev, "FD filter programming error");
+                        dev_info(&pdev->dev, "FD filter programming error\n");
                 }
         } else if (error ==
                           (0x1 << I40E_RX_PROG_STATUS_DESC_NO_FD_ENTRY_SHIFT)) {
@@ -1713,9 +1713,11 @@ static int i40e_tx_prepare_vlan_flags(struct sk_buff *skb,
                                 I40E_TX_FLAGS_VLAN_PRIO_SHIFT;
                 if (tx_flags & I40E_TX_FLAGS_SW_VLAN) {
                         struct vlan_ethhdr *vhdr;
-                        if (skb_header_cloned(skb) &&
-                            pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
-                                return -ENOMEM;
+                        int rc;
+
+                        rc = skb_cow_head(skb, 0);
+                        if (rc < 0)
+                                return rc;
                         vhdr = (struct vlan_ethhdr *)skb->data;
                         vhdr->h_vlan_TCI = htons(tx_flags >>
                                                  I40E_TX_FLAGS_VLAN_SHIFT);
@@ -1743,20 +1745,18 @@ static int i40e_tso(struct i40e_ring *tx_ring, struct sk_buff *skb,
                     u64 *cd_type_cmd_tso_mss, u32 *cd_tunneling)
 {
         u32 cd_cmd, cd_tso_len, cd_mss;
+        struct ipv6hdr *ipv6h;
         struct tcphdr *tcph;
         struct iphdr *iph;
         u32 l4len;
         int err;
-        struct ipv6hdr *ipv6h;
 
         if (!skb_is_gso(skb))
                 return 0;
 
-        if (skb_header_cloned(skb)) {
-                err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
-                if (err)
-                        return err;
-        }
+        err = skb_cow_head(skb, 0);
+        if (err < 0)
+                return err;
 
         if (protocol == htons(ETH_P_IP)) {
                 iph = skb->encapsulation ? inner_ip_hdr(skb) : ip_hdr(skb);
diff --git a/drivers/net/ethernet/intel/igb/e1000_i210.c b/drivers/net/ethernet/intel/igb/e1000_i210.c
index db963397cc27..f67f8a170b90 100644
--- a/drivers/net/ethernet/intel/igb/e1000_i210.c
+++ b/drivers/net/ethernet/intel/igb/e1000_i210.c
@@ -365,7 +365,7 @@ static s32 igb_read_invm_word_i210(struct e1000_hw *hw, u8 address, u16 *data)
                         word_address = INVM_DWORD_TO_WORD_ADDRESS(invm_dword);
                         if (word_address == address) {
                                 *data = INVM_DWORD_TO_WORD_DATA(invm_dword);
-                                hw_dbg("Read INVM Word 0x%02x = %x",
+                                hw_dbg("Read INVM Word 0x%02x = %x\n",
                                           address, *data);
                                 status = E1000_SUCCESS;
                                 break;
diff --git a/drivers/net/ethernet/intel/igb/e1000_mac.c b/drivers/net/ethernet/intel/igb/e1000_mac.c
index 5910a932ea7c..1e0c404db81a 100644
--- a/drivers/net/ethernet/intel/igb/e1000_mac.c
+++ b/drivers/net/ethernet/intel/igb/e1000_mac.c
@@ -929,11 +929,10 @@ s32 igb_config_fc_after_link_up(struct e1000_hw *hw)
                          */
                         if (hw->fc.requested_mode == e1000_fc_full) {
                                 hw->fc.current_mode = e1000_fc_full;
-                                hw_dbg("Flow Control = FULL.\r\n");
+                                hw_dbg("Flow Control = FULL.\n");
                         } else {
                                 hw->fc.current_mode = e1000_fc_rx_pause;
-                                hw_dbg("Flow Control = "
-                                       "RX PAUSE frames only.\r\n");
+                                hw_dbg("Flow Control = RX PAUSE frames only.\n");
                         }
                 }
                 /* For receiving PAUSE frames ONLY.
@@ -948,7 +947,7 @@ s32 igb_config_fc_after_link_up(struct e1000_hw *hw)
                           (mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) &&
                           (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR)) {
                         hw->fc.current_mode = e1000_fc_tx_pause;
-                        hw_dbg("Flow Control = TX PAUSE frames only.\r\n");
+                        hw_dbg("Flow Control = TX PAUSE frames only.\n");
                 }
                 /* For transmitting PAUSE frames ONLY.
                  *
@@ -962,7 +961,7 @@ s32 igb_config_fc_after_link_up(struct e1000_hw *hw)
                          !(mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) &&
                          (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR)) {
                         hw->fc.current_mode = e1000_fc_rx_pause;
-                        hw_dbg("Flow Control = RX PAUSE frames only.\r\n");
+                        hw_dbg("Flow Control = RX PAUSE frames only.\n");
                 }
                 /* Per the IEEE spec, at this point flow control should be
                  * disabled.  However, we want to consider that we could
@@ -988,10 +987,10 @@ s32 igb_config_fc_after_link_up(struct e1000_hw *hw)
                          (hw->fc.requested_mode == e1000_fc_tx_pause) ||
                          (hw->fc.strict_ieee)) {
                         hw->fc.current_mode = e1000_fc_none;
-                        hw_dbg("Flow Control = NONE.\r\n");
+                        hw_dbg("Flow Control = NONE.\n");
                 } else {
                         hw->fc.current_mode = e1000_fc_rx_pause;
-                        hw_dbg("Flow Control = RX PAUSE frames only.\r\n");
+                        hw_dbg("Flow Control = RX PAUSE frames only.\n");
                 }
 
                 /* Now we need to do one last check...  If we auto-
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index fb98d4602f9d..16430a8440fa 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -5193,8 +5193,10 @@ void igb_update_stats(struct igb_adapter *adapter,
 
         rcu_read_lock();
         for (i = 0; i < adapter->num_rx_queues; i++) {
-                u32 rqdpc = rd32(E1000_RQDPC(i));
                 struct igb_ring *ring = adapter->rx_ring[i];
+                u32 rqdpc = rd32(E1000_RQDPC(i));
+                if (hw->mac.type >= e1000_i210)
+                        wr32(E1000_RQDPC(i), 0);
 
                 if (rqdpc) {
                         ring->rx_stats.drops += rqdpc;
diff --git a/drivers/net/ethernet/intel/igb/igb_ptp.c b/drivers/net/ethernet/intel/igb/igb_ptp.c
index 9209d652e1c9..ab25e49365f7 100644
--- a/drivers/net/ethernet/intel/igb/igb_ptp.c
+++ b/drivers/net/ethernet/intel/igb/igb_ptp.c
@@ -389,7 +389,7 @@ static void igb_ptp_tx_work(struct work_struct *work)
                 adapter->ptp_tx_skb = NULL;
                 clear_bit_unlock(__IGB_PTP_TX_IN_PROGRESS, &adapter->state);
                 adapter->tx_hwtstamp_timeouts++;
-                dev_warn(&adapter->pdev->dev, "clearing Tx timestamp hang");
+                dev_warn(&adapter->pdev->dev, "clearing Tx timestamp hang\n");
                 return;
         }
 
@@ -451,7 +451,7 @@ void igb_ptp_rx_hang(struct igb_adapter *adapter)
                 rd32(E1000_RXSTMPH);
                 adapter->last_rx_ptp_check = jiffies;
                 adapter->rx_hwtstamp_cleared++;
-                dev_warn(&adapter->pdev->dev, "clearing Rx timestamp hang");
+                dev_warn(&adapter->pdev->dev, "clearing Rx timestamp hang\n");
         }
 }
 
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
index 1a12c1dd7a27..c6c4ca7d68e6 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
@@ -256,7 +256,6 @@ struct ixgbe_ring {
                 struct ixgbe_tx_buffer *tx_buffer_info;
                 struct ixgbe_rx_buffer *rx_buffer_info;
         };
-        unsigned long last_rx_timestamp;
         unsigned long state;
         u8 __iomem *tail;
         dma_addr_t dma;                 /* phys. address of descriptor ring */
@@ -770,6 +769,7 @@ struct ixgbe_adapter {
         unsigned long ptp_tx_start;
         unsigned long last_overflow_check;
         unsigned long last_rx_ptp_check;
+        unsigned long last_rx_timestamp;
         spinlock_t tmreg_lock;
         struct cyclecounter cc;
         struct timecounter tc;
@@ -944,24 +944,7 @@ void ixgbe_ptp_init(struct ixgbe_adapter *adapter);
 void ixgbe_ptp_stop(struct ixgbe_adapter *adapter);
 void ixgbe_ptp_overflow_check(struct ixgbe_adapter *adapter);
 void ixgbe_ptp_rx_hang(struct ixgbe_adapter *adapter);
-void __ixgbe_ptp_rx_hwtstamp(struct ixgbe_q_vector *q_vector,
-                             struct sk_buff *skb);
-static inline void ixgbe_ptp_rx_hwtstamp(struct ixgbe_ring *rx_ring,
-                                         union ixgbe_adv_rx_desc *rx_desc,
-                                         struct sk_buff *skb)
-{
-        if (unlikely(!ixgbe_test_staterr(rx_desc, IXGBE_RXDADV_STAT_TS)))
-                return;
-
-        __ixgbe_ptp_rx_hwtstamp(rx_ring->q_vector, skb);
-
-        /*
-         * Update the last_rx_timestamp timer in order to enable watchdog check
-         * for error case of latched timestamp on a dropped packet.
-         */
-        rx_ring->last_rx_timestamp = jiffies;
-}
-
+void ixgbe_ptp_rx_hwtstamp(struct ixgbe_adapter *adapter, struct sk_buff *skb);
 int ixgbe_ptp_set_ts_config(struct ixgbe_adapter *adapter, struct ifreq *ifr);
 int ixgbe_ptp_get_ts_config(struct ixgbe_adapter *adapter, struct ifreq *ifr);
 void ixgbe_ptp_start_cyclecounter(struct ixgbe_adapter *adapter);
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
index 24fba39e194e..981b8a7b100d 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
@@ -1195,7 +1195,7 @@ static s32 ixgbe_detect_eeprom_page_size_generic(struct ixgbe_hw *hw,
          */
         hw->eeprom.word_page_size = IXGBE_EEPROM_PAGE_SIZE_MAX - data[0];
 
-        hw_dbg(hw, "Detected EEPROM page size = %d words.",
+        hw_dbg(hw, "Detected EEPROM page size = %d words.\n",
                hw->eeprom.word_page_size);
 out:
         return status;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index c4c526b7f99f..d62e7a25cf97 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -1664,7 +1664,8 @@ static void ixgbe_process_skb_fields(struct ixgbe_ring *rx_ring,
 
         ixgbe_rx_checksum(rx_ring, rx_desc, skb);
 
-        ixgbe_ptp_rx_hwtstamp(rx_ring, rx_desc, skb);
+        if (unlikely(ixgbe_test_staterr(rx_desc, IXGBE_RXDADV_STAT_TS)))
+                ixgbe_ptp_rx_hwtstamp(rx_ring->q_vector->adapter, skb);
 
         if ((dev->features & NETIF_F_HW_VLAN_CTAG_RX) &&
             ixgbe_test_staterr(rx_desc, IXGBE_RXD_STAT_VP)) {
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
index 23f765263f12..a76af8e28a04 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
@@ -536,7 +536,7 @@ s32 ixgbe_setup_phy_link_generic(struct ixgbe_hw *hw)
 
         if (time_out == max_time_out) {
                 status = IXGBE_ERR_LINK_SETUP;
-                hw_dbg(hw, "ixgbe_setup_phy_link_generic: time out");
+                hw_dbg(hw, "ixgbe_setup_phy_link_generic: time out\n");
         }
 
         return status;
@@ -745,7 +745,7 @@ s32 ixgbe_setup_phy_link_tnx(struct ixgbe_hw *hw)
 
         if (time_out == max_time_out) {
                 status = IXGBE_ERR_LINK_SETUP;
-                hw_dbg(hw, "ixgbe_setup_phy_link_tnx: time out");
+                hw_dbg(hw, "ixgbe_setup_phy_link_tnx: time out\n");
         }
 
         return status;
@@ -1175,7 +1175,7 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw)
                                 status = 0;
                         } else {
                                 if (hw->allow_unsupported_sfp) {
-                                        e_warn(drv, "WARNING: Intel (R) Network Connections are quality tested using Intel (R) Ethernet Optics.  Using untested modules is not supported and may cause unstable operation or damage to the module or the adapter.  Intel Corporation is not responsible for any harm caused by using untested modules.");
+                                        e_warn(drv, "WARNING: Intel (R) Network Connections are quality tested using Intel (R) Ethernet Optics.  Using untested modules is not supported and may cause unstable operation or damage to the module or the adapter.  Intel Corporation is not responsible for any harm caused by using untested modules.\n");
                                         status = 0;
                                 } else {
                                         hw_dbg(hw,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
index 63515a6f67fa..8902ae683457 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
@@ -435,10 +435,8 @@ void ixgbe_ptp_overflow_check(struct ixgbe_adapter *adapter)
 void ixgbe_ptp_rx_hang(struct ixgbe_adapter *adapter)
 {
         struct ixgbe_hw *hw = &adapter->hw;
-        struct ixgbe_ring *rx_ring;
         u32 tsyncrxctl = IXGBE_READ_REG(hw, IXGBE_TSYNCRXCTL);
         unsigned long rx_event;
-        int n;
 
         /* if we don't have a valid timestamp in the registers, just update the
          * timeout counter and exit
@@ -450,18 +448,15 @@ void ixgbe_ptp_rx_hang(struct ixgbe_adapter *adapter)
 
         /* determine the most recent watchdog or rx_timestamp event */
         rx_event = adapter->last_rx_ptp_check;
-        for (n = 0; n < adapter->num_rx_queues; n++) {
-                rx_ring = adapter->rx_ring[n];
-                if (time_after(rx_ring->last_rx_timestamp, rx_event))
-                        rx_event = rx_ring->last_rx_timestamp;
-        }
+        if (time_after(adapter->last_rx_timestamp, rx_event))
+                rx_event = adapter->last_rx_timestamp;
 
         /* only need to read the high RXSTMP register to clear the lock */
         if (time_is_before_jiffies(rx_event + 5*HZ)) {
                 IXGBE_READ_REG(hw, IXGBE_RXSTMPH);
                 adapter->last_rx_ptp_check = jiffies;
 
-                e_warn(drv, "clearing RX Timestamp hang");
+                e_warn(drv, "clearing RX Timestamp hang\n");
         }
 }
 
@@ -517,7 +512,7 @@ static void ixgbe_ptp_tx_hwtstamp_work(struct work_struct *work)
                 dev_kfree_skb_any(adapter->ptp_tx_skb);
                 adapter->ptp_tx_skb = NULL;
                 clear_bit_unlock(__IXGBE_PTP_TX_IN_PROGRESS, &adapter->state);
-                e_warn(drv, "clearing Tx Timestamp hang");
+                e_warn(drv, "clearing Tx Timestamp hang\n");
                 return;
         }
 
@@ -530,35 +525,22 @@ static void ixgbe_ptp_tx_hwtstamp_work(struct work_struct *work)
 }
 
 /**
- * __ixgbe_ptp_rx_hwtstamp - utility function which checks for RX time stamp
- * @q_vector: structure containing interrupt and ring information
+ * ixgbe_ptp_rx_hwtstamp - utility function which checks for RX time stamp
+ * @adapter: pointer to adapter struct
  * @skb: particular skb to send timestamp with
  *
  * if the timestamp is valid, we convert it into the timecounter ns
  * value, then store that result into the shhwtstamps structure which
  * is passed up the network stack
  */
-void __ixgbe_ptp_rx_hwtstamp(struct ixgbe_q_vector *q_vector,
-                             struct sk_buff *skb)
+void ixgbe_ptp_rx_hwtstamp(struct ixgbe_adapter *adapter, struct sk_buff *skb)
 {
-        struct ixgbe_adapter *adapter;
-        struct ixgbe_hw *hw;
+        struct ixgbe_hw *hw = &adapter->hw;
         struct skb_shared_hwtstamps *shhwtstamps;
         u64 regval = 0, ns;
         u32 tsyncrxctl;
         unsigned long flags;
 
-        /* we cannot process timestamps on a ring without a q_vector */
-        if (!q_vector || !q_vector->adapter)
-                return;
-
-        adapter = q_vector->adapter;
-        hw = &adapter->hw;
-
-        /*
-         * Read the tsyncrxctl register afterwards in order to prevent taking an
-         * I/O hit on every packet.
-         */
         tsyncrxctl = IXGBE_READ_REG(hw, IXGBE_TSYNCRXCTL);
         if (!(tsyncrxctl & IXGBE_TSYNCRXCTL_VALID))
                 return;
@@ -566,13 +548,17 @@ void __ixgbe_ptp_rx_hwtstamp(struct ixgbe_q_vector *q_vector,
         regval |= (u64)IXGBE_READ_REG(hw, IXGBE_RXSTMPL);
         regval |= (u64)IXGBE_READ_REG(hw, IXGBE_RXSTMPH) << 32;
 
-
         spin_lock_irqsave(&adapter->tmreg_lock, flags);
         ns = timecounter_cyc2time(&adapter->tc, regval);
         spin_unlock_irqrestore(&adapter->tmreg_lock, flags);
 
         shhwtstamps = skb_hwtstamps(skb);
         shhwtstamps->hwtstamp = ns_to_ktime(ns);
+
+        /* Update the last_rx_timestamp timer in order to enable watchdog check
+         * for error case of latched timestamp on a dropped packet.
+         */
+        adapter->last_rx_timestamp = jiffies;
 }
 
 int ixgbe_ptp_get_ts_config(struct ixgbe_adapter *adapter, struct ifreq *ifr)