Merge commit 'origin/master' into next
[pandora-kernel.git] / drivers / net / e1000e / netdev.c
index b7a46c5..677f604 100644 (file)
@@ -48,7 +48,7 @@
 
 #include "e1000.h"
 
-#define DRV_VERSION "0.3.3.4-k4"
+#define DRV_VERSION "1.0.2-k2"
 char e1000e_driver_name[] = "e1000e";
 const char e1000e_driver_version[] = DRV_VERSION;
 
@@ -62,6 +62,7 @@ static const struct e1000_info *e1000_info_tbl[] = {
        [board_ich8lan]         = &e1000_ich8_info,
        [board_ich9lan]         = &e1000_ich9_info,
        [board_ich10lan]        = &e1000_ich10_info,
+       [board_pchlan]          = &e1000_pch_info,
 };
 
 #ifdef DEBUG
@@ -2255,8 +2256,6 @@ static void e1000_configure_tx(struct e1000_adapter *adapter)
                ew32(TARC(1), tarc);
        }
 
-       e1000e_config_collision_dist(hw);
-
        /* Setup Transmit Descriptor Settings for eop descriptor */
        adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
 
@@ -2269,6 +2268,8 @@ static void e1000_configure_tx(struct e1000_adapter *adapter)
 
        ew32(TCTL, tctl);
 
+       e1000e_config_collision_dist(hw);
+
        adapter->tx_queue_len = adapter->netdev->tx_queue_len;
 }
 
@@ -2308,6 +2309,23 @@ static void e1000_setup_rctl(struct e1000_adapter *adapter)
        if (adapter->flags2 & FLAG2_CRC_STRIPPING)
                rctl |= E1000_RCTL_SECRC;
 
+       /* Workaround Si errata on 82577 PHY - configure IPG for jumbos */
+       if ((hw->phy.type == e1000_phy_82577) && (rctl & E1000_RCTL_LPE)) {
+               u16 phy_data;
+
+               e1e_rphy(hw, PHY_REG(770, 26), &phy_data);
+               phy_data &= 0xfff8;
+               phy_data |= (1 << 2);
+               e1e_wphy(hw, PHY_REG(770, 26), phy_data);
+
+               e1e_rphy(hw, 22, &phy_data);
+               phy_data &= 0x0fff;
+               phy_data |= (1 << 14);
+               e1e_wphy(hw, 0x10, 0x2823);
+               e1e_wphy(hw, 0x11, 0x0003);
+               e1e_wphy(hw, 22, phy_data);
+       }
+
        /* Setup buffer sizes */
        rctl &= ~E1000_RCTL_SZ_4096;
        rctl |= E1000_RCTL_BSEX;
@@ -2789,6 +2807,8 @@ void e1000e_reset(struct e1000_adapter *adapter)
                e1000_get_hw_control(adapter);
 
        ew32(WUC, 0);
+       if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP)
+               e1e_wphy(&adapter->hw, BM_WUC, 0);
 
        if (mac->ops.init_hw(hw))
                e_err("Hardware Error\n");
@@ -3269,6 +3289,7 @@ void e1000e_update_stats(struct e1000_adapter *adapter)
 {
        struct e1000_hw *hw = &adapter->hw;
        struct pci_dev *pdev = adapter->pdev;
+       u16 phy_data;
 
        /*
         * Prevent stats update while adapter is being reset, or if the pci
@@ -3288,11 +3309,34 @@ void e1000e_update_stats(struct e1000_adapter *adapter)
        adapter->stats.roc += er32(ROC);
 
        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);
+       if ((hw->phy.type == e1000_phy_82578) ||
+           (hw->phy.type == e1000_phy_82577)) {
+               e1e_rphy(hw, HV_SCC_UPPER, &phy_data);
+               e1e_rphy(hw, HV_SCC_LOWER, &phy_data);
+               adapter->stats.scc += phy_data;
+
+               e1e_rphy(hw, HV_ECOL_UPPER, &phy_data);
+               e1e_rphy(hw, HV_ECOL_LOWER, &phy_data);
+               adapter->stats.ecol += phy_data;
+
+               e1e_rphy(hw, HV_MCC_UPPER, &phy_data);
+               e1e_rphy(hw, HV_MCC_LOWER, &phy_data);
+               adapter->stats.mcc += phy_data;
+
+               e1e_rphy(hw, HV_LATECOL_UPPER, &phy_data);
+               e1e_rphy(hw, HV_LATECOL_LOWER, &phy_data);
+               adapter->stats.latecol += phy_data;
+
+               e1e_rphy(hw, HV_DC_UPPER, &phy_data);
+               e1e_rphy(hw, HV_DC_LOWER, &phy_data);
+               adapter->stats.dc += phy_data;
+       } else {
+               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.xonrxc += er32(XONRXC);
        adapter->stats.xontxc += er32(XONTXC);
        adapter->stats.xoffrxc += er32(XOFFRXC);
@@ -3310,13 +3354,28 @@ void e1000e_update_stats(struct e1000_adapter *adapter)
 
        hw->mac.tx_packet_delta = er32(TPT);
        adapter->stats.tpt += hw->mac.tx_packet_delta;
-       hw->mac.collision_delta = er32(COLC);
+       if ((hw->phy.type == e1000_phy_82578) ||
+           (hw->phy.type == e1000_phy_82577)) {
+               e1e_rphy(hw, HV_COLC_UPPER, &phy_data);
+               e1e_rphy(hw, HV_COLC_LOWER, &phy_data);
+               hw->mac.collision_delta = phy_data;
+       } else {
+               hw->mac.collision_delta = er32(COLC);
+       }
        adapter->stats.colc += hw->mac.collision_delta;
 
        adapter->stats.algnerrc += er32(ALGNERRC);
        adapter->stats.rxerrc += er32(RXERRC);
-       if ((hw->mac.type != e1000_82574) && (hw->mac.type != e1000_82583))
-               adapter->stats.tncrs += er32(TNCRS);
+       if ((hw->phy.type == e1000_phy_82578) ||
+           (hw->phy.type == e1000_phy_82577)) {
+               e1e_rphy(hw, HV_TNCRS_UPPER, &phy_data);
+               e1e_rphy(hw, HV_TNCRS_LOWER, &phy_data);
+               adapter->stats.tncrs += phy_data;
+       } else {
+               if ((hw->mac.type != e1000_82574) &&
+                   (hw->mac.type != e1000_82583))
+                       adapter->stats.tncrs += er32(TNCRS);
+       }
        adapter->stats.cexterr += er32(CEXTERR);
        adapter->stats.tsctc += er32(TSCTC);
        adapter->stats.tsctfc += er32(TSCTFC);
@@ -3857,7 +3916,7 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
                buffer_info->length = size;
                buffer_info->time_stamp = jiffies;
                buffer_info->next_to_watch = i;
-               buffer_info->dma = map[0] + offset;
+               buffer_info->dma = skb_shinfo(skb)->dma_head + offset;
                count++;
 
                len -= size;
@@ -3888,7 +3947,7 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
                        buffer_info->length = size;
                        buffer_info->time_stamp = jiffies;
                        buffer_info->next_to_watch = i;
-                       buffer_info->dma = map[f + 1] + offset;
+                       buffer_info->dma = map[f] + offset;
 
                        len -= size;
                        offset += size;
@@ -4212,27 +4271,17 @@ 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;
 
-       if ((new_mtu < ETH_ZLEN + ETH_FCS_LEN + VLAN_HLEN) ||
-           (max_frame > MAX_JUMBO_FRAME_SIZE)) {
-               e_err("Invalid MTU setting\n");
+       /* Jumbo frame support */
+       if ((max_frame > ETH_FRAME_LEN + ETH_FCS_LEN) &&
+           !(adapter->flags & FLAG_HAS_JUMBO_FRAMES)) {
+               e_err("Jumbo Frames not supported.\n");
                return -EINVAL;
        }
 
-       /* Jumbo frame size limits */
-       if (max_frame > ETH_FRAME_LEN + ETH_FCS_LEN) {
-               if (!(adapter->flags & FLAG_HAS_JUMBO_FRAMES)) {
-                       e_err("Jumbo Frames not supported.\n");
-                       return -EINVAL;
-               }
-               if (adapter->hw.phy.type == e1000_phy_ife) {
-                       e_err("Jumbo Frames not supported.\n");
-                       return -EINVAL;
-               }
-       }
-
-#define MAX_STD_JUMBO_FRAME_SIZE 9234
-       if (max_frame > MAX_STD_JUMBO_FRAME_SIZE) {
-               e_err("MTU > 9216 not supported.\n");
+       /* Supported frame sizes */
+       if ((new_mtu < ETH_ZLEN + ETH_FCS_LEN + VLAN_HLEN) ||
+           (max_frame > adapter->max_hw_frame_size)) {
+               e_err("Unsupported MTU setting\n");
                return -EINVAL;
        }
 
@@ -4352,6 +4401,81 @@ static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
        }
 }
 
+static int e1000_init_phy_wakeup(struct e1000_adapter *adapter, u32 wufc)
+{
+       struct e1000_hw *hw = &adapter->hw;
+       u32 i, mac_reg;
+       u16 phy_reg;
+       int retval = 0;
+
+       /* copy MAC RARs to PHY RARs */
+       for (i = 0; i < adapter->hw.mac.rar_entry_count; i++) {
+               mac_reg = er32(RAL(i));
+               e1e_wphy(hw, BM_RAR_L(i), (u16)(mac_reg & 0xFFFF));
+               e1e_wphy(hw, BM_RAR_M(i), (u16)((mac_reg >> 16) & 0xFFFF));
+               mac_reg = er32(RAH(i));
+               e1e_wphy(hw, BM_RAR_H(i), (u16)(mac_reg & 0xFFFF));
+               e1e_wphy(hw, BM_RAR_CTRL(i), (u16)((mac_reg >> 16) & 0xFFFF));
+       }
+
+       /* copy MAC MTA to PHY MTA */
+       for (i = 0; i < adapter->hw.mac.mta_reg_count; i++) {
+               mac_reg = E1000_READ_REG_ARRAY(hw, E1000_MTA, i);
+               e1e_wphy(hw, BM_MTA(i), (u16)(mac_reg & 0xFFFF));
+               e1e_wphy(hw, BM_MTA(i) + 1, (u16)((mac_reg >> 16) & 0xFFFF));
+       }
+
+       /* configure PHY Rx Control register */
+       e1e_rphy(&adapter->hw, BM_RCTL, &phy_reg);
+       mac_reg = er32(RCTL);
+       if (mac_reg & E1000_RCTL_UPE)
+               phy_reg |= BM_RCTL_UPE;
+       if (mac_reg & E1000_RCTL_MPE)
+               phy_reg |= BM_RCTL_MPE;
+       phy_reg &= ~(BM_RCTL_MO_MASK);
+       if (mac_reg & E1000_RCTL_MO_3)
+               phy_reg |= (((mac_reg & E1000_RCTL_MO_3) >> E1000_RCTL_MO_SHIFT)
+                               << BM_RCTL_MO_SHIFT);
+       if (mac_reg & E1000_RCTL_BAM)
+               phy_reg |= BM_RCTL_BAM;
+       if (mac_reg & E1000_RCTL_PMCF)
+               phy_reg |= BM_RCTL_PMCF;
+       mac_reg = er32(CTRL);
+       if (mac_reg & E1000_CTRL_RFCE)
+               phy_reg |= BM_RCTL_RFCE;
+       e1e_wphy(&adapter->hw, BM_RCTL, phy_reg);
+
+       /* enable PHY wakeup in MAC register */
+       ew32(WUFC, wufc);
+       ew32(WUC, E1000_WUC_PHY_WAKE | E1000_WUC_PME_EN);
+
+       /* configure and enable PHY wakeup in PHY registers */
+       e1e_wphy(&adapter->hw, BM_WUFC, wufc);
+       e1e_wphy(&adapter->hw, BM_WUC, E1000_WUC_PME_EN);
+
+       /* activate PHY wakeup */
+       retval = hw->phy.ops.acquire_phy(hw);
+       if (retval) {
+               e_err("Could not acquire PHY\n");
+               return retval;
+       }
+       e1000e_write_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT,
+                                (BM_WUC_ENABLE_PAGE << IGP_PAGE_SHIFT));
+       retval = e1000e_read_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, &phy_reg);
+       if (retval) {
+               e_err("Could not read PHY page 769\n");
+               goto out;
+       }
+       phy_reg |= BM_WUC_ENABLE_BIT | BM_WUC_HOST_WU_BIT;
+       retval = e1000e_write_phy_reg_mdic(hw, BM_WUC_ENABLE_REG, phy_reg);
+       if (retval)
+               e_err("Could not set PHY Host Wakeup bit\n");
+out:
+       hw->phy.ops.release_phy(hw);
+
+       return retval;
+}
+
 static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
 {
        struct net_device *netdev = pci_get_drvdata(pdev);
@@ -4394,8 +4518,9 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
                #define E1000_CTRL_ADVD3WUC 0x00100000
                /* phy power management enable */
                #define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000
-               ctrl |= E1000_CTRL_ADVD3WUC |
-                       E1000_CTRL_EN_PHY_PWR_MGMT;
+               ctrl |= E1000_CTRL_ADVD3WUC;
+               if (!(adapter->flags2 & FLAG2_HAS_PHY_WAKEUP))
+                       ctrl |= E1000_CTRL_EN_PHY_PWR_MGMT;
                ew32(CTRL, ctrl);
 
                if (adapter->hw.phy.media_type == e1000_media_type_fiber ||
@@ -4413,8 +4538,17 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
                /* Allow time for pending master requests to run */
                e1000e_disable_pcie_master(&adapter->hw);
 
-               ew32(WUC, E1000_WUC_PME_EN);
-               ew32(WUFC, wufc);
+               if ((adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) &&
+                   !(hw->mac.ops.check_mng_mode(hw))) {
+                       /* enable wakeup by the PHY */
+                       retval = e1000_init_phy_wakeup(adapter, wufc);
+                       if (retval)
+                               return retval;
+               } else {
+                       /* enable wakeup by the MAC */
+                       ew32(WUFC, wufc);
+                       ew32(WUC, E1000_WUC_PME_EN);
+               }
        } else {
                ew32(WUC, 0);
                ew32(WUFC, 0);
@@ -4557,8 +4691,37 @@ static int e1000_resume(struct pci_dev *pdev)
        }
 
        e1000e_power_up_phy(adapter);
+
+       /* report the system wakeup cause from S3/S4 */
+       if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) {
+               u16 phy_data;
+
+               e1e_rphy(&adapter->hw, BM_WUS, &phy_data);
+               if (phy_data) {
+                       e_info("PHY Wakeup cause - %s\n",
+                               phy_data & E1000_WUS_EX ? "Unicast Packet" :
+                               phy_data & E1000_WUS_MC ? "Multicast Packet" :
+                               phy_data & E1000_WUS_BC ? "Broadcast Packet" :
+                               phy_data & E1000_WUS_MAG ? "Magic Packet" :
+                               phy_data & E1000_WUS_LNKC ? "Link Status "
+                               " Change" : "other");
+               }
+               e1e_wphy(&adapter->hw, BM_WUS, ~0);
+       } else {
+               u32 wus = er32(WUS);
+               if (wus) {
+                       e_info("MAC Wakeup cause - %s\n",
+                               wus & E1000_WUS_EX ? "Unicast Packet" :
+                               wus & E1000_WUS_MC ? "Multicast Packet" :
+                               wus & E1000_WUS_BC ? "Broadcast Packet" :
+                               wus & E1000_WUS_MAG ? "Magic Packet" :
+                               wus & E1000_WUS_LNKC ? "Link Status Change" :
+                               "other");
+               }
+               ew32(WUS, ~0);
+       }
+
        e1000e_reset(adapter);
-       ew32(WUS, ~0);
 
        e1000_init_manageability(adapter);
 
@@ -4848,6 +5011,7 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
        adapter->flags2 = ei->flags2;
        adapter->hw.adapter = adapter;
        adapter->hw.mac.type = ei->mac;
+       adapter->max_hw_frame_size = ei->max_hw_frame_size;
        adapter->msg_enable = (1 << NETIF_MSG_DRV | NETIF_MSG_PROBE) - 1;
 
        mmio_start = pci_resource_start(pdev, 0);
@@ -5003,6 +5167,8 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
                /* APME bit in EEPROM is mapped to WUC.APME */
                eeprom_data = er32(WUC);
                eeprom_apme_mask = E1000_WUC_APME;
+               if (eeprom_data & E1000_WUC_PHY_WAKE)
+                       adapter->flags2 |= FLAG2_HAS_PHY_WAKEUP;
        } else if (adapter->flags & FLAG_APME_IN_CTRL3) {
                if (adapter->flags & FLAG_APME_CHECK_PORT_B &&
                    (adapter->hw.bus.func == 1))
@@ -5204,6 +5370,11 @@ static struct pci_device_id e1000_pci_tbl[] = {
        { PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LM), board_ich10lan },
        { PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LF), board_ich10lan },
 
+       { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LM), board_pchlan },
+       { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_M_HV_LC), board_pchlan },
+       { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DM), board_pchlan },
+       { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DC), board_pchlan },
+
        { }     /* terminate list */
 };
 MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);