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path: root/drivers/net/ethernet/intel/e1000e
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Diffstat (limited to 'drivers/net/ethernet/intel/e1000e')
-rw-r--r--drivers/net/ethernet/intel/e1000e/82571.c4
-rw-r--r--drivers/net/ethernet/intel/e1000e/defines.h1
-rw-r--r--drivers/net/ethernet/intel/e1000e/ethtool.c2
-rw-r--r--drivers/net/ethernet/intel/e1000e/ich8lan.c21
-rw-r--r--drivers/net/ethernet/intel/e1000e/ich8lan.h4
-rw-r--r--drivers/net/ethernet/intel/e1000e/mac.c1
-rw-r--r--drivers/net/ethernet/intel/e1000e/manage.c5
-rw-r--r--drivers/net/ethernet/intel/e1000e/netdev.c55
-rw-r--r--drivers/net/ethernet/intel/e1000e/nvm.c4
9 files changed, 77 insertions, 20 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/82571.c b/drivers/net/ethernet/intel/e1000e/82571.c
index 218481e509f9..dc79ed85030b 100644
--- a/drivers/net/ethernet/intel/e1000e/82571.c
+++ b/drivers/net/ethernet/intel/e1000e/82571.c
@@ -95,7 +95,6 @@ static s32 e1000_init_phy_params_82571(struct e1000_hw *hw)
break;
default:
return -E1000_ERR_PHY;
- break;
}
/* This can only be done after all function pointers are setup. */
@@ -422,7 +421,6 @@ static s32 e1000_get_phy_id_82571(struct e1000_hw *hw)
break;
case e1000_82573:
return e1000e_get_phy_id(hw);
- break;
case e1000_82574:
case e1000_82583:
ret_val = e1e_rphy(hw, MII_PHYSID1, &phy_id);
@@ -440,7 +438,6 @@ static s32 e1000_get_phy_id_82571(struct e1000_hw *hw)
break;
default:
return -E1000_ERR_PHY;
- break;
}
return 0;
@@ -1458,7 +1455,6 @@ static s32 e1000_setup_copper_link_82571(struct e1000_hw *hw)
break;
default:
return -E1000_ERR_PHY;
- break;
}
if (ret_val)
diff --git a/drivers/net/ethernet/intel/e1000e/defines.h b/drivers/net/ethernet/intel/e1000e/defines.h
index d18e89212575..bb7ab3c321d6 100644
--- a/drivers/net/ethernet/intel/e1000e/defines.h
+++ b/drivers/net/ethernet/intel/e1000e/defines.h
@@ -342,6 +342,7 @@
#define E1000_TIPG_IPGR2_SHIFT 20
#define MAX_JUMBO_FRAME_SIZE 0x3F00
+#define E1000_TX_PTR_GAP 0x1F
/* Extended Configuration Control and Size */
#define E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP 0x00000020
diff --git a/drivers/net/ethernet/intel/e1000e/ethtool.c b/drivers/net/ethernet/intel/e1000e/ethtool.c
index 815e26c6d34b..865ce45f9ec3 100644
--- a/drivers/net/ethernet/intel/e1000e/ethtool.c
+++ b/drivers/net/ethernet/intel/e1000e/ethtool.c
@@ -1521,11 +1521,9 @@ static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
switch (hw->mac.type) {
case e1000_80003es2lan:
return e1000_set_es2lan_mac_loopback(adapter);
- break;
case e1000_82571:
case e1000_82572:
return e1000_set_82571_fiber_loopback(adapter);
- break;
default:
rctl = er32(RCTL);
rctl |= E1000_RCTL_LBM_TCVR;
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c
index 8894ab8ed6bd..48b74a549155 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.c
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c
@@ -572,7 +572,6 @@ static s32 e1000_init_phy_params_ich8lan(struct e1000_hw *hw)
break;
default:
return -E1000_ERR_PHY;
- break;
}
return 0;
@@ -2445,7 +2444,7 @@ s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable)
return ret_val;
e1e_rphy(hw, PHY_REG(776, 20), &data);
data &= ~(0x3FF << 2);
- data |= (0x1A << 2);
+ data |= (E1000_TX_PTR_GAP << 2);
ret_val = e1e_wphy(hw, PHY_REG(776, 20), data);
if (ret_val)
return ret_val;
@@ -4606,14 +4605,23 @@ void e1000_suspend_workarounds_ich8lan(struct e1000_hw *hw)
/* Disable LPLU if both link partners support 100BaseT
* EEE and 100Full is advertised on both ends of the
- * link.
+ * link, and enable Auto Enable LPI since there will
+ * be no driver to enable LPI while in Sx.
*/
if ((eee_advert & I82579_EEE_100_SUPPORTED) &&
(dev_spec->eee_lp_ability &
I82579_EEE_100_SUPPORTED) &&
- (hw->phy.autoneg_advertised & ADVERTISE_100_FULL))
+ (hw->phy.autoneg_advertised & ADVERTISE_100_FULL)) {
phy_ctrl &= ~(E1000_PHY_CTRL_D0A_LPLU |
E1000_PHY_CTRL_NOND0A_LPLU);
+
+ /* Set Auto Enable LPI after link up */
+ e1e_rphy_locked(hw,
+ I217_LPI_GPIO_CTRL, &phy_reg);
+ phy_reg |= I217_LPI_GPIO_CTRL_AUTO_EN_LPI;
+ e1e_wphy_locked(hw,
+ I217_LPI_GPIO_CTRL, phy_reg);
+ }
}
/* For i217 Intel Rapid Start Technology support,
@@ -4710,6 +4718,11 @@ void e1000_resume_workarounds_pchlan(struct e1000_hw *hw)
return;
}
+ /* Clear Auto Enable LPI after link up */
+ e1e_rphy_locked(hw, I217_LPI_GPIO_CTRL, &phy_reg);
+ phy_reg &= ~I217_LPI_GPIO_CTRL_AUTO_EN_LPI;
+ e1e_wphy_locked(hw, I217_LPI_GPIO_CTRL, phy_reg);
+
if (!(er32(FWSM) & E1000_ICH_FWSM_FW_VALID)) {
/* Restore clear on SMB if no manageability engine
* is present
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.h b/drivers/net/ethernet/intel/e1000e/ich8lan.h
index 5515126c81c1..8066a498eaac 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.h
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.h
@@ -217,6 +217,10 @@
#define I217_INBAND_CTRL_LINK_STAT_TX_TIMEOUT_MASK 0x3F00
#define I217_INBAND_CTRL_LINK_STAT_TX_TIMEOUT_SHIFT 8
+/* Low Power Idle GPIO Control */
+#define I217_LPI_GPIO_CTRL PHY_REG(772, 18)
+#define I217_LPI_GPIO_CTRL_AUTO_EN_LPI 0x0800
+
/* PHY Low Power Idle Control */
#define I82579_LPI_CTRL PHY_REG(772, 20)
#define I82579_LPI_CTRL_100_ENABLE 0x2000
diff --git a/drivers/net/ethernet/intel/e1000e/mac.c b/drivers/net/ethernet/intel/e1000e/mac.c
index 8c386f3a15eb..30b74d590bee 100644
--- a/drivers/net/ethernet/intel/e1000e/mac.c
+++ b/drivers/net/ethernet/intel/e1000e/mac.c
@@ -787,7 +787,6 @@ static s32 e1000_commit_fc_settings_generic(struct e1000_hw *hw)
default:
e_dbg("Flow control param set incorrectly\n");
return -E1000_ERR_CONFIG;
- break;
}
ew32(TXCW, txcw);
diff --git a/drivers/net/ethernet/intel/e1000e/manage.c b/drivers/net/ethernet/intel/e1000e/manage.c
index cb37ff1f1321..58856032298d 100644
--- a/drivers/net/ethernet/intel/e1000e/manage.c
+++ b/drivers/net/ethernet/intel/e1000e/manage.c
@@ -327,9 +327,12 @@ bool e1000e_enable_mng_pass_thru(struct e1000_hw *hw)
} else if ((hw->mac.type == e1000_82574) ||
(hw->mac.type == e1000_82583)) {
u16 data;
+ s32 ret_val;
factps = er32(FACTPS);
- e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &data);
+ ret_val = e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &data);
+ if (ret_val)
+ return false;
if (!(factps & E1000_FACTPS_MNGCG) &&
((data & E1000_NVM_INIT_CTRL2_MNGM) ==
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index 201cc93f3625..65c3aef2bd36 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -6033,6 +6033,28 @@ release:
return retval;
}
+static void e1000e_flush_lpic(struct pci_dev *pdev)
+{
+ struct net_device *netdev = pci_get_drvdata(pdev);
+ struct e1000_adapter *adapter = netdev_priv(netdev);
+ struct e1000_hw *hw = &adapter->hw;
+ u32 ret_val;
+
+ pm_runtime_get_sync(netdev->dev.parent);
+
+ ret_val = hw->phy.ops.acquire(hw);
+ if (ret_val)
+ goto fl_out;
+
+ pr_info("EEE TX LPI TIMER: %08X\n",
+ er32(LPIC) >> E1000_LPIC_LPIET_SHIFT);
+
+ hw->phy.ops.release(hw);
+
+fl_out:
+ pm_runtime_put_sync(netdev->dev.parent);
+}
+
static int e1000e_pm_freeze(struct device *dev)
{
struct net_device *netdev = pci_get_drvdata(to_pci_dev(dev));
@@ -6333,6 +6355,8 @@ static int e1000e_pm_suspend(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
+ e1000e_flush_lpic(pdev);
+
e1000e_pm_freeze(dev);
return __e1000_shutdown(pdev, false);
@@ -6357,9 +6381,14 @@ static int e1000e_pm_runtime_idle(struct device *dev)
struct pci_dev *pdev = to_pci_dev(dev);
struct net_device *netdev = pci_get_drvdata(pdev);
struct e1000_adapter *adapter = netdev_priv(netdev);
+ u16 eee_lp;
- if (!e1000e_has_link(adapter))
+ eee_lp = adapter->hw.dev_spec.ich8lan.eee_lp_ability;
+
+ if (!e1000e_has_link(adapter)) {
+ adapter->hw.dev_spec.ich8lan.eee_lp_ability = eee_lp;
pm_schedule_suspend(dev, 5 * MSEC_PER_SEC);
+ }
return -EBUSY;
}
@@ -6411,6 +6440,8 @@ static int e1000e_pm_runtime_suspend(struct device *dev)
static void e1000_shutdown(struct pci_dev *pdev)
{
+ e1000e_flush_lpic(pdev);
+
e1000e_pm_freeze(&pdev->dev);
__e1000_shutdown(pdev, false);
@@ -6708,6 +6739,7 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
int bars, i, err, pci_using_dac;
u16 eeprom_data = 0;
u16 eeprom_apme_mask = E1000_EEPROM_APME;
+ s32 rval = 0;
if (ei->flags2 & FLAG2_DISABLE_ASPM_L0S)
aspm_disable_flag = PCIE_LINK_STATE_L0S;
@@ -6940,15 +6972,19 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
} else if (adapter->flags & FLAG_APME_IN_CTRL3) {
if (adapter->flags & FLAG_APME_CHECK_PORT_B &&
(adapter->hw.bus.func == 1))
- e1000_read_nvm(&adapter->hw, NVM_INIT_CONTROL3_PORT_B,
- 1, &eeprom_data);
+ rval = e1000_read_nvm(&adapter->hw,
+ NVM_INIT_CONTROL3_PORT_B,
+ 1, &eeprom_data);
else
- e1000_read_nvm(&adapter->hw, NVM_INIT_CONTROL3_PORT_A,
- 1, &eeprom_data);
+ rval = e1000_read_nvm(&adapter->hw,
+ NVM_INIT_CONTROL3_PORT_A,
+ 1, &eeprom_data);
}
/* fetch WoL from EEPROM */
- if (eeprom_data & eeprom_apme_mask)
+ if (rval)
+ e_dbg("NVM read error getting WoL initial values: %d\n", rval);
+ else if (eeprom_data & eeprom_apme_mask)
adapter->eeprom_wol |= E1000_WUFC_MAG;
/* now that we have the eeprom settings, apply the special cases
@@ -6967,7 +7003,12 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
device_wakeup_enable(&pdev->dev);
/* save off EEPROM version number */
- e1000_read_nvm(&adapter->hw, 5, 1, &adapter->eeprom_vers);
+ rval = e1000_read_nvm(&adapter->hw, 5, 1, &adapter->eeprom_vers);
+
+ if (rval) {
+ e_dbg("NVM read error getting EEPROM version: %d\n", rval);
+ adapter->eeprom_vers = 0;
+ }
/* reset the hardware with the new settings */
e1000e_reset(adapter);
diff --git a/drivers/net/ethernet/intel/e1000e/nvm.c b/drivers/net/ethernet/intel/e1000e/nvm.c
index b1f212b7baf7..fa6b1036a327 100644
--- a/drivers/net/ethernet/intel/e1000e/nvm.c
+++ b/drivers/net/ethernet/intel/e1000e/nvm.c
@@ -327,8 +327,10 @@ s32 e1000e_read_nvm_eerd(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
ew32(EERD, eerd);
ret_val = e1000e_poll_eerd_eewr_done(hw, E1000_NVM_POLL_READ);
- if (ret_val)
+ if (ret_val) {
+ e_dbg("NVM read error: %d\n", ret_val);
break;
+ }
data[i] = (er32(EERD) >> E1000_NVM_RW_REG_DATA);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-24 12:45:56 +0300