1 files changed, 94 insertions, 61 deletions

diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index c8dc47fd132a..9d1143aa6189 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -466,10 +466,10 @@ next_desc:
         if (cleaned_count)
                 adapter->alloc_rx_buf(adapter, cleaned_count);
 
-        adapter->total_rx_packets += total_rx_packets;
         adapter->total_rx_bytes += total_rx_bytes;
-        adapter->net_stats.rx_packets += total_rx_packets;
+        adapter->total_rx_packets += total_rx_packets;
         adapter->net_stats.rx_bytes += total_rx_bytes;
+        adapter->net_stats.rx_packets += total_rx_packets;
         return cleaned;
 }
 
@@ -606,8 +606,8 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter)
         }
         adapter->total_tx_bytes += total_tx_bytes;
         adapter->total_tx_packets += total_tx_packets;
-        adapter->net_stats.tx_packets += total_tx_packets;
         adapter->net_stats.tx_bytes += total_tx_bytes;
+        adapter->net_stats.tx_packets += total_tx_packets;
         return cleaned;
 }
 
@@ -775,10 +775,10 @@ next_desc:
         if (cleaned_count)
                 adapter->alloc_rx_buf(adapter, cleaned_count);
 
-        adapter->total_rx_packets += total_rx_packets;
         adapter->total_rx_bytes += total_rx_bytes;
-        adapter->net_stats.rx_packets += total_rx_packets;
+        adapter->total_rx_packets += total_rx_packets;
         adapter->net_stats.rx_bytes += total_rx_bytes;
+        adapter->net_stats.rx_packets += total_rx_packets;
         return cleaned;
 }
 
@@ -2506,56 +2506,27 @@ void e1000e_update_stats(struct e1000_adapter *adapter)
 
         adapter->stats.crcerrs += er32(CRCERRS);
         adapter->stats.gprc += er32(GPRC);
-        adapter->stats.gorcl += er32(GORCL);
-        adapter->stats.gorch += er32(GORCH);
+        adapter->stats.gorc += er32(GORCL);
+        er32(GORCH); /* Clear gorc */
         adapter->stats.bprc += er32(BPRC);
         adapter->stats.mprc += er32(MPRC);
         adapter->stats.roc += er32(ROC);
 
-        if (adapter->flags & FLAG_HAS_STATS_PTC_PRC) {
-                adapter->stats.prc64 += er32(PRC64);
-                adapter->stats.prc127 += er32(PRC127);
-                adapter->stats.prc255 += er32(PRC255);
-                adapter->stats.prc511 += er32(PRC511);
-                adapter->stats.prc1023 += er32(PRC1023);
-                adapter->stats.prc1522 += er32(PRC1522);
-                adapter->stats.symerrs += er32(SYMERRS);
-                adapter->stats.sec += er32(SEC);
-        }
-
         adapter->stats.mpc += er32(MPC);
         adapter->stats.scc += er32(SCC);
         adapter->stats.ecol += er32(ECOL);
         adapter->stats.mcc += er32(MCC);
         adapter->stats.latecol += er32(LATECOL);
         adapter->stats.dc += er32(DC);
-        adapter->stats.rlec += er32(RLEC);
         adapter->stats.xonrxc += er32(XONRXC);
         adapter->stats.xontxc += er32(XONTXC);
         adapter->stats.xoffrxc += er32(XOFFRXC);
         adapter->stats.xofftxc += er32(XOFFTXC);
-        adapter->stats.fcruc += er32(FCRUC);
         adapter->stats.gptc += er32(GPTC);
-        adapter->stats.gotcl += er32(GOTCL);
-        adapter->stats.gotch += er32(GOTCH);
+        adapter->stats.gotc += er32(GOTCL);
+        er32(GOTCH); /* Clear gotc */
         adapter->stats.rnbc += er32(RNBC);
         adapter->stats.ruc += er32(RUC);
-        adapter->stats.rfc += er32(RFC);
-        adapter->stats.rjc += er32(RJC);
-        adapter->stats.torl += er32(TORL);
-        adapter->stats.torh += er32(TORH);
-        adapter->stats.totl += er32(TOTL);
-        adapter->stats.toth += er32(TOTH);
-        adapter->stats.tpr += er32(TPR);
-
-        if (adapter->flags & FLAG_HAS_STATS_PTC_PRC) {
-                adapter->stats.ptc64 += er32(PTC64);
-                adapter->stats.ptc127 += er32(PTC127);
-                adapter->stats.ptc255 += er32(PTC255);
-                adapter->stats.ptc511 += er32(PTC511);
-                adapter->stats.ptc1023 += er32(PTC1023);
-                adapter->stats.ptc1522 += er32(PTC1522);
-        }
 
         adapter->stats.mptc += er32(MPTC);
         adapter->stats.bptc += er32(BPTC);
@@ -2574,19 +2545,6 @@ void e1000e_update_stats(struct e1000_adapter *adapter)
         adapter->stats.tsctc += er32(TSCTC);
         adapter->stats.tsctfc += er32(TSCTFC);
 
-        adapter->stats.iac += er32(IAC);
-
-        if (adapter->flags & FLAG_HAS_STATS_ICR_ICT) {
-                adapter->stats.icrxoc += er32(ICRXOC);
-                adapter->stats.icrxptc += er32(ICRXPTC);
-                adapter->stats.icrxatc += er32(ICRXATC);
-                adapter->stats.ictxptc += er32(ICTXPTC);
-                adapter->stats.ictxatc += er32(ICTXATC);
-                adapter->stats.ictxqec += er32(ICTXQEC);
-                adapter->stats.ictxqmtc += er32(ICTXQMTC);
-                adapter->stats.icrxdmtc += er32(ICRXDMTC);
-        }
-
         /* Fill out the OS statistics structure */
         adapter->net_stats.multicast = adapter->stats.mprc;
         adapter->net_stats.collisions = adapter->stats.colc;
@@ -2633,6 +2591,54 @@ void e1000e_update_stats(struct e1000_adapter *adapter)
         spin_unlock_irqrestore(&adapter->stats_lock, irq_flags);
 }
 
+/**
+ * e1000_phy_read_status - Update the PHY register status snapshot
+ * @adapter: board private structure
+ **/
+static void e1000_phy_read_status(struct e1000_adapter *adapter)
+{
+        struct e1000_hw *hw = &adapter->hw;
+        struct e1000_phy_regs *phy = &adapter->phy_regs;
+        int ret_val;
+        unsigned long irq_flags;
+
+
+        spin_lock_irqsave(&adapter->stats_lock, irq_flags);
+
+        if ((er32(STATUS) & E1000_STATUS_LU) &&
+            (adapter->hw.phy.media_type == e1000_media_type_copper)) {
+                ret_val  = e1e_rphy(hw, PHY_CONTROL, &phy->bmcr);
+                ret_val |= e1e_rphy(hw, PHY_STATUS, &phy->bmsr);
+                ret_val |= e1e_rphy(hw, PHY_AUTONEG_ADV, &phy->advertise);
+                ret_val |= e1e_rphy(hw, PHY_LP_ABILITY, &phy->lpa);
+                ret_val |= e1e_rphy(hw, PHY_AUTONEG_EXP, &phy->expansion);
+                ret_val |= e1e_rphy(hw, PHY_1000T_CTRL, &phy->ctrl1000);
+                ret_val |= e1e_rphy(hw, PHY_1000T_STATUS, &phy->stat1000);
+                ret_val |= e1e_rphy(hw, PHY_EXT_STATUS, &phy->estatus);
+                if (ret_val)
+                        ndev_warn(adapter->netdev,
+                                  "Error reading PHY register\n");
+        } else {
+                /*
+                 * Do not read PHY registers if link is not up
+                 * Set values to typical power-on defaults
+                 */
+                phy->bmcr = (BMCR_SPEED1000 | BMCR_ANENABLE | BMCR_FULLDPLX);
+                phy->bmsr = (BMSR_100FULL | BMSR_100HALF | BMSR_10FULL |
+                             BMSR_10HALF | BMSR_ESTATEN | BMSR_ANEGCAPABLE |
+                             BMSR_ERCAP);
+                phy->advertise = (ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP |
+                                  ADVERTISE_ALL | ADVERTISE_CSMA);
+                phy->lpa = 0;
+                phy->expansion = EXPANSION_ENABLENPAGE;
+                phy->ctrl1000 = ADVERTISE_1000FULL;
+                phy->stat1000 = 0;
+                phy->estatus = (ESTATUS_1000_TFULL | ESTATUS_1000_THALF);
+        }
+
+        spin_unlock_irqrestore(&adapter->stats_lock, irq_flags);
+}
+
 static void e1000_print_link_info(struct e1000_adapter *adapter)
 {
         struct e1000_hw *hw = &adapter->hw;
@@ -2745,6 +2751,7 @@ static void e1000_watchdog_task(struct work_struct *work)
                 if (!netif_carrier_ok(netdev)) {
                         bool txb2b = 1;
                         /* update snapshot of PHY registers on LSC */
+                        e1000_phy_read_status(adapter);
                         mac->ops.get_link_up_info(&adapter->hw,
                                                    &adapter->link_speed,
                                                    &adapter->link_duplex);
@@ -2842,10 +2849,10 @@ link_up:
         mac->collision_delta = adapter->stats.colc - adapter->colc_old;
         adapter->colc_old = adapter->stats.colc;
 
-        adapter->gorcl = adapter->stats.gorcl - adapter->gorcl_old;
-        adapter->gorcl_old = adapter->stats.gorcl;
-        adapter->gotcl = adapter->stats.gotcl - adapter->gotcl_old;
-        adapter->gotcl_old = adapter->stats.gotcl;
+        adapter->gorc = adapter->stats.gorc - adapter->gorc_old;
+        adapter->gorc_old = adapter->stats.gorc;
+        adapter->gotc = adapter->stats.gotc - adapter->gotc_old;
+        adapter->gotc_old = adapter->stats.gotc;
 
         e1000e_update_adaptive(&adapter->hw);
 
@@ -3500,7 +3507,6 @@ static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
 {
         struct e1000_adapter *adapter = netdev_priv(netdev);
         struct mii_ioctl_data *data = if_mii(ifr);
-        unsigned long irq_flags;
 
         if (adapter->hw.phy.media_type != e1000_media_type_copper)
                 return -EOPNOTSUPP;
@@ -3512,13 +3518,40 @@ static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
         case SIOCGMIIREG:
                 if (!capable(CAP_NET_ADMIN))
                         return -EPERM;
-                spin_lock_irqsave(&adapter->stats_lock, irq_flags);
-                if (e1e_rphy(&adapter->hw, data->reg_num & 0x1F,
-                                   &data->val_out)) {
-                        spin_unlock_irqrestore(&adapter->stats_lock, irq_flags);
+                switch (data->reg_num & 0x1F) {
+                case MII_BMCR:
+                        data->val_out = adapter->phy_regs.bmcr;
+                        break;
+                case MII_BMSR:
+                        data->val_out = adapter->phy_regs.bmsr;
+                        break;
+                case MII_PHYSID1:
+                        data->val_out = (adapter->hw.phy.id >> 16);
+                        break;
+                case MII_PHYSID2:
+                        data->val_out = (adapter->hw.phy.id & 0xFFFF);
+                        break;
+                case MII_ADVERTISE:
+                        data->val_out = adapter->phy_regs.advertise;
+                        break;
+                case MII_LPA:
+                        data->val_out = adapter->phy_regs.lpa;
+                        break;
+                case MII_EXPANSION:
+                        data->val_out = adapter->phy_regs.expansion;
+                        break;
+                case MII_CTRL1000:
+                        data->val_out = adapter->phy_regs.ctrl1000;
+                        break;
+                case MII_STAT1000:
+                        data->val_out = adapter->phy_regs.stat1000;
+                        break;
+                case MII_ESTATUS:
+                        data->val_out = adapter->phy_regs.estatus;
+                        break;
+                default:
                         return -EIO;
                 }
-                spin_unlock_irqrestore(&adapter->stats_lock, irq_flags);
                 break;
         case SIOCSMIIREG:
         default: