1 files changed, 217 insertions, 44 deletions

diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index ccaaee0951cf..677f60490f67 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -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;
@@ -2751,23 +2769,25 @@ void e1000e_reset(struct e1000_adapter *adapter)
 	/*
 	 * flow control settings
 	 *
-	 * The high water mark must be low enough to fit one full frame
+	 * The high water mark must be low enough to fit two full frame
 	 * (or the size used for early receive) above it in the Rx FIFO.
 	 * Set it to the lower of:
 	 * - 90% of the Rx FIFO size, and
 	 * - the full Rx FIFO size minus the early receive size (for parts
 	 *   with ERT support assuming ERT set to E1000_ERT_2048), or
-	 * - the full Rx FIFO size minus one full frame
+	 * - the full Rx FIFO size minus two full frames
 	 */
-	if (adapter->flags & FLAG_HAS_ERT)
+	if ((adapter->flags & FLAG_HAS_ERT) &&
+	    (adapter->netdev->mtu > ETH_DATA_LEN))
 		hwm = min(((pba << 10) * 9 / 10),
 			  ((pba << 10) - (E1000_ERT_2048 << 3)));
 	else
 		hwm = min(((pba << 10) * 9 / 10),
-			  ((pba << 10) - adapter->max_frame_size));
+			  ((pba << 10) - (2 * adapter->max_frame_size)));
 
-	fc->high_water = hwm & 0xFFF8; /* 8-byte granularity */
-	fc->low_water = fc->high_water - 8;
+	fc->high_water = hwm & E1000_FCRTH_RTH; /* 8-byte granularity */
+	fc->low_water = (fc->high_water - (2 * adapter->max_frame_size));
+	fc->low_water &= E1000_FCRTL_RTL; /* 8-byte granularity */
 
 	if (adapter->flags & FLAG_DISABLE_FC_PAUSE_TIME)
 		fc->pause_time = 0xFFFF;
@@ -2787,6 +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");
@@ -2799,7 +2821,8 @@ void e1000e_reset(struct e1000_adapter *adapter)
 	e1000e_reset_adaptive(hw);
 	e1000_get_phy_info(hw);
 
-	if (!(adapter->flags & FLAG_SMART_POWER_DOWN)) {
+	if ((adapter->flags & FLAG_HAS_SMART_POWER_DOWN) &&
+	    !(adapter->flags & FLAG_SMART_POWER_DOWN)) {
 		u16 phy_data = 0;
 		/*
 		 * speed up time to link by disabling smart power down, ignore
@@ -3266,6 +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
@@ -3285,11 +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);
@@ -3307,13 +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);
@@ -3854,7 +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;
@@ -3885,7 +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;
@@ -4149,7 +4211,6 @@ static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 	count = e1000_tx_map(adapter, skb, first, max_per_txd, nr_frags, mss);
 	if (count) {
 		e1000_tx_queue(adapter, tx_flags, count);
-		netdev->trans_start = jiffies;
 		/* Make sure there is space in the ring for the next send. */
 		e1000_maybe_stop_tx(netdev, MAX_SKB_FRAGS + 2);
 
@@ -4210,27 +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;
 	}
 
@@ -4350,6 +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);
@@ -4392,8 +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 ||
@@ -4411,8 +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);
@@ -4555,8 +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);
 
@@ -4846,6 +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);
@@ -5001,6 +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))
@@ -5202,6 +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);