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path: root/drivers/net/e1000e/ethtool.c
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Diffstat (limited to 'drivers/net/e1000e/ethtool.c')
-rw-r--r--drivers/net/e1000e/ethtool.c144
1 files changed, 84 insertions, 60 deletions
diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
index 2c521218102..6355a1b779d 100644
--- a/drivers/net/e1000e/ethtool.c
+++ b/drivers/net/e1000e/ethtool.c
@@ -1,7 +1,7 @@
/*******************************************************************************
Intel PRO/1000 Linux driver
- Copyright(c) 1999 - 2009 Intel Corporation.
+ Copyright(c) 1999 - 2010 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
@@ -118,7 +118,6 @@ static int e1000_get_settings(struct net_device *netdev,
{
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
- u32 status;
if (hw->phy.media_type == e1000_media_type_copper) {
@@ -156,22 +155,29 @@ static int e1000_get_settings(struct net_device *netdev,
ecmd->transceiver = XCVR_EXTERNAL;
}
- status = er32(STATUS);
- if (status & E1000_STATUS_LU) {
- if (status & E1000_STATUS_SPEED_1000)
- ecmd->speed = 1000;
- else if (status & E1000_STATUS_SPEED_100)
- ecmd->speed = 100;
- else
- ecmd->speed = 10;
+ ecmd->speed = -1;
+ ecmd->duplex = -1;
- if (status & E1000_STATUS_FD)
- ecmd->duplex = DUPLEX_FULL;
- else
- ecmd->duplex = DUPLEX_HALF;
+ if (netif_running(netdev)) {
+ if (netif_carrier_ok(netdev)) {
+ ecmd->speed = adapter->link_speed;
+ ecmd->duplex = adapter->link_duplex - 1;
+ }
} else {
- ecmd->speed = -1;
- ecmd->duplex = -1;
+ u32 status = er32(STATUS);
+ if (status & E1000_STATUS_LU) {
+ if (status & E1000_STATUS_SPEED_1000)
+ ecmd->speed = 1000;
+ else if (status & E1000_STATUS_SPEED_100)
+ ecmd->speed = 100;
+ else
+ ecmd->speed = 10;
+
+ if (status & E1000_STATUS_FD)
+ ecmd->duplex = DUPLEX_FULL;
+ else
+ ecmd->duplex = DUPLEX_HALF;
+ }
}
ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) ||
@@ -179,7 +185,7 @@ static int e1000_get_settings(struct net_device *netdev,
/* MDI-X => 2; MDI =>1; Invalid =>0 */
if ((hw->phy.media_type == e1000_media_type_copper) &&
- !hw->mac.get_link_status)
+ netif_carrier_ok(netdev))
ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X :
ETH_TP_MDI;
else
@@ -191,19 +197,15 @@ static int e1000_get_settings(struct net_device *netdev,
static u32 e1000_get_link(struct net_device *netdev)
{
struct e1000_adapter *adapter = netdev_priv(netdev);
- struct e1000_mac_info *mac = &adapter->hw.mac;
+ struct e1000_hw *hw = &adapter->hw;
/*
- * If the link is not reported up to netdev, interrupts are disabled,
- * and so the physical link state may have changed since we last
- * looked. Set get_link_status to make sure that the true link
- * state is interrogated, rather than pulling a cached and possibly
- * stale link state from the driver.
+ * Avoid touching hardware registers when possible, otherwise
+ * link negotiation can get messed up when user-level scripts
+ * are rapidly polling the driver to see if link is up.
*/
- if (!netif_carrier_ok(netdev))
- mac->get_link_status = 1;
-
- return e1000e_has_link(adapter);
+ return netif_running(netdev) ? netif_carrier_ok(netdev) :
+ !!(er32(STATUS) & E1000_STATUS_LU);
}
static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
@@ -880,6 +882,7 @@ static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
switch (mac->type) {
case e1000_ich10lan:
case e1000_pchlan:
+ case e1000_pch2lan:
mask |= (1 << 18);
break;
default:
@@ -1263,33 +1266,36 @@ static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
hw->mac.autoneg = 0;
- /* Workaround: K1 must be disabled for stable 1Gbps operation */
- if (hw->mac.type == e1000_pchlan)
- e1000_configure_k1_ich8lan(hw, false);
-
- if (hw->phy.type == e1000_phy_m88) {
- /* Auto-MDI/MDIX Off */
- e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
- /* reset to update Auto-MDI/MDIX */
- e1e_wphy(hw, PHY_CONTROL, 0x9140);
- /* autoneg off */
- e1e_wphy(hw, PHY_CONTROL, 0x8140);
- } else if (hw->phy.type == e1000_phy_gg82563)
- e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
-
- ctrl_reg = er32(CTRL);
-
- switch (hw->phy.type) {
- case e1000_phy_ife:
+ if (hw->phy.type == e1000_phy_ife) {
/* force 100, set loopback */
e1e_wphy(hw, PHY_CONTROL, 0x6100);
/* Now set up the MAC to the same speed/duplex as the PHY. */
+ ctrl_reg = er32(CTRL);
ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
E1000_CTRL_SPD_100 |/* Force Speed to 100 */
E1000_CTRL_FD); /* Force Duplex to FULL */
+
+ ew32(CTRL, ctrl_reg);
+ udelay(500);
+
+ return 0;
+ }
+
+ /* Specific PHY configuration for loopback */
+ switch (hw->phy.type) {
+ case e1000_phy_m88:
+ /* Auto-MDI/MDIX Off */
+ e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
+ /* reset to update Auto-MDI/MDIX */
+ e1e_wphy(hw, PHY_CONTROL, 0x9140);
+ /* autoneg off */
+ e1e_wphy(hw, PHY_CONTROL, 0x8140);
+ break;
+ case e1000_phy_gg82563:
+ e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
break;
case e1000_phy_bm:
/* Set Default MAC Interface speed to 1GB */
@@ -1312,23 +1318,41 @@ static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
/* Set Early Link Enable */
e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
- /* fall through */
+ break;
+ case e1000_phy_82577:
+ case e1000_phy_82578:
+ /* Workaround: K1 must be disabled for stable 1Gbps operation */
+ e1000_configure_k1_ich8lan(hw, false);
+ break;
+ case e1000_phy_82579:
+ /* Disable PHY energy detect power down */
+ e1e_rphy(hw, PHY_REG(0, 21), &phy_reg);
+ e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~(1 << 3));
+ /* Disable full chip energy detect */
+ e1e_rphy(hw, PHY_REG(776, 18), &phy_reg);
+ e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1);
+ /* Enable loopback on the PHY */
+#define I82577_PHY_LBK_CTRL 19
+ e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001);
+ break;
default:
- /* force 1000, set loopback */
- e1e_wphy(hw, PHY_CONTROL, 0x4140);
- mdelay(250);
+ break;
+ }
- /* Now set up the MAC to the same speed/duplex as the PHY. */
- ctrl_reg = er32(CTRL);
- ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
- ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
- E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
- E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
- E1000_CTRL_FD); /* Force Duplex to FULL */
+ /* force 1000, set loopback */
+ e1e_wphy(hw, PHY_CONTROL, 0x4140);
+ mdelay(250);
- if (adapter->flags & FLAG_IS_ICH)
- ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */
- }
+ /* Now set up the MAC to the same speed/duplex as the PHY. */
+ ctrl_reg = er32(CTRL);
+ ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
+ ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
+ E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
+ E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
+ E1000_CTRL_FD); /* Force Duplex to FULL */
+
+ if (adapter->flags & FLAG_IS_ICH)
+ ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */
if (hw->phy.media_type == e1000_media_type_copper &&
hw->phy.type == e1000_phy_m88) {
@@ -1868,6 +1892,7 @@ static int e1000_phys_id(struct net_device *netdev, u32 data)
if ((hw->phy.type == e1000_phy_ife) ||
(hw->mac.type == e1000_pchlan) ||
+ (hw->mac.type == e1000_pch2lan) ||
(hw->mac.type == e1000_82583) ||
(hw->mac.type == e1000_82574)) {
INIT_WORK(&adapter->led_blink_task, e1000e_led_blink_task);
@@ -2026,7 +2051,6 @@ static const struct ethtool_ops e1000_ethtool_ops = {
.get_coalesce = e1000_get_coalesce,
.set_coalesce = e1000_set_coalesce,
.get_flags = ethtool_op_get_flags,
- .set_flags = ethtool_op_set_flags,
};
void e1000e_set_ethtool_ops(struct net_device *netdev)
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 08:47:36 +0000