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path: root/drivers/net/ethernet/intel/e1000e/ethtool.c
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Diffstat (limited to 'drivers/net/ethernet/intel/e1000e/ethtool.c')
-rw-r--r--drivers/net/ethernet/intel/e1000e/ethtool.c107
1 files changed, 78 insertions, 29 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/ethtool.c b/drivers/net/ethernet/intel/e1000e/ethtool.c
index 59c22bf18701..a8633b8f0ac5 100644
--- a/drivers/net/ethernet/intel/e1000e/ethtool.c
+++ b/drivers/net/ethernet/intel/e1000e/ethtool.c
@@ -173,7 +173,7 @@ static int e1000_get_settings(struct net_device *netdev,
speed = adapter->link_speed;
ecmd->duplex = adapter->link_duplex - 1;
}
- } else {
+ } else if (!pm_runtime_suspended(netdev->dev.parent)) {
u32 status = er32(STATUS);
if (status & E1000_STATUS_LU) {
if (status & E1000_STATUS_SPEED_1000)
@@ -264,6 +264,9 @@ static int e1000_set_settings(struct net_device *netdev,
{
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
+ int ret_val = 0;
+
+ pm_runtime_get_sync(netdev->dev.parent);
/* When SoL/IDER sessions are active, autoneg/speed/duplex
* cannot be changed
@@ -271,7 +274,8 @@ static int e1000_set_settings(struct net_device *netdev,
if (hw->phy.ops.check_reset_block &&
hw->phy.ops.check_reset_block(hw)) {
e_err("Cannot change link characteristics when SoL/IDER is active.\n");
- return -EINVAL;
+ ret_val = -EINVAL;
+ goto out;
}
/* MDI setting is only allowed when autoneg enabled because
@@ -279,13 +283,16 @@ static int e1000_set_settings(struct net_device *netdev,
* duplex is forced.
*/
if (ecmd->eth_tp_mdix_ctrl) {
- if (hw->phy.media_type != e1000_media_type_copper)
- return -EOPNOTSUPP;
+ if (hw->phy.media_type != e1000_media_type_copper) {
+ ret_val = -EOPNOTSUPP;
+ goto out;
+ }
if ((ecmd->eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
(ecmd->autoneg != AUTONEG_ENABLE)) {
e_err("forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
- return -EINVAL;
+ ret_val = -EINVAL;
+ goto out;
}
}
@@ -307,8 +314,8 @@ static int e1000_set_settings(struct net_device *netdev,
u32 speed = ethtool_cmd_speed(ecmd);
/* calling this overrides forced MDI setting */
if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) {
- clear_bit(__E1000_RESETTING, &adapter->state);
- return -EINVAL;
+ ret_val = -EINVAL;
+ goto out;
}
}
@@ -331,8 +338,10 @@ static int e1000_set_settings(struct net_device *netdev,
e1000e_reset(adapter);
}
+out:
+ pm_runtime_put_sync(netdev->dev.parent);
clear_bit(__E1000_RESETTING, &adapter->state);
- return 0;
+ return ret_val;
}
static void e1000_get_pauseparam(struct net_device *netdev,
@@ -366,6 +375,8 @@ static int e1000_set_pauseparam(struct net_device *netdev,
while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
usleep_range(1000, 2000);
+ pm_runtime_get_sync(netdev->dev.parent);
+
if (adapter->fc_autoneg == AUTONEG_ENABLE) {
hw->fc.requested_mode = e1000_fc_default;
if (netif_running(adapter->netdev)) {
@@ -398,6 +409,7 @@ static int e1000_set_pauseparam(struct net_device *netdev,
}
out:
+ pm_runtime_put_sync(netdev->dev.parent);
clear_bit(__E1000_RESETTING, &adapter->state);
return retval;
}
@@ -428,6 +440,8 @@ static void e1000_get_regs(struct net_device *netdev,
u32 *regs_buff = p;
u16 phy_data;
+ pm_runtime_get_sync(netdev->dev.parent);
+
memset(p, 0, E1000_REGS_LEN * sizeof(u32));
regs->version = (1 << 24) | (adapter->pdev->revision << 16) |
@@ -472,6 +486,8 @@ static void e1000_get_regs(struct net_device *netdev,
e1e_rphy(hw, MII_STAT1000, &phy_data);
regs_buff[24] = (u32)phy_data; /* phy local receiver status */
regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
+
+ pm_runtime_put_sync(netdev->dev.parent);
}
static int e1000_get_eeprom_len(struct net_device *netdev)
@@ -504,6 +520,8 @@ static int e1000_get_eeprom(struct net_device *netdev,
if (!eeprom_buff)
return -ENOMEM;
+ pm_runtime_get_sync(netdev->dev.parent);
+
if (hw->nvm.type == e1000_nvm_eeprom_spi) {
ret_val = e1000_read_nvm(hw, first_word,
last_word - first_word + 1,
@@ -517,6 +535,8 @@ static int e1000_get_eeprom(struct net_device *netdev,
}
}
+ pm_runtime_put_sync(netdev->dev.parent);
+
if (ret_val) {
/* a read error occurred, throw away the result */
memset(eeprom_buff, 0xff, sizeof(u16) *
@@ -566,6 +586,8 @@ static int e1000_set_eeprom(struct net_device *netdev,
ptr = (void *)eeprom_buff;
+ pm_runtime_get_sync(netdev->dev.parent);
+
if (eeprom->offset & 1) {
/* need read/modify/write of first changed EEPROM word */
/* only the second byte of the word is being modified */
@@ -606,6 +628,7 @@ static int e1000_set_eeprom(struct net_device *netdev,
ret_val = e1000e_update_nvm_checksum(hw);
out:
+ pm_runtime_put_sync(netdev->dev.parent);
kfree(eeprom_buff);
return ret_val;
}
@@ -701,6 +724,8 @@ static int e1000_set_ringparam(struct net_device *netdev,
}
}
+ pm_runtime_get_sync(netdev->dev.parent);
+
e1000e_down(adapter);
/* We can't just free everything and then setup again, because the
@@ -739,6 +764,7 @@ err_setup_rx:
e1000e_free_tx_resources(temp_tx);
err_setup:
e1000e_up(adapter);
+ pm_runtime_put_sync(netdev->dev.parent);
free_temp:
vfree(temp_tx);
vfree(temp_rx);
@@ -1639,7 +1665,7 @@ static int e1000_run_loopback_test(struct e1000_adapter *adapter)
ret_val = 13; /* ret_val is the same as mis-compare */
break;
}
- if (jiffies >= (time + 20)) {
+ if (time_after(jiffies, time + 20)) {
ret_val = 14; /* error code for time out error */
break;
}
@@ -1732,6 +1758,8 @@ static void e1000_diag_test(struct net_device *netdev,
u8 autoneg;
bool if_running = netif_running(netdev);
+ pm_runtime_get_sync(netdev->dev.parent);
+
set_bit(__E1000_TESTING, &adapter->state);
if (!if_running) {
@@ -1817,6 +1845,8 @@ static void e1000_diag_test(struct net_device *netdev,
}
msleep_interruptible(4 * 1000);
+
+ pm_runtime_put_sync(netdev->dev.parent);
}
static void e1000_get_wol(struct net_device *netdev,
@@ -1891,6 +1921,8 @@ static int e1000_set_phys_id(struct net_device *netdev,
switch (state) {
case ETHTOOL_ID_ACTIVE:
+ pm_runtime_get_sync(netdev->dev.parent);
+
if (!hw->mac.ops.blink_led)
return 2; /* cycle on/off twice per second */
@@ -1902,6 +1934,7 @@ static int e1000_set_phys_id(struct net_device *netdev,
e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
hw->mac.ops.led_off(hw);
hw->mac.ops.cleanup_led(hw);
+ pm_runtime_put_sync(netdev->dev.parent);
break;
case ETHTOOL_ID_ON:
@@ -1912,6 +1945,7 @@ static int e1000_set_phys_id(struct net_device *netdev,
hw->mac.ops.led_off(hw);
break;
}
+
return 0;
}
@@ -1950,11 +1984,15 @@ static int e1000_set_coalesce(struct net_device *netdev,
adapter->itr_setting = adapter->itr & ~3;
}
+ pm_runtime_get_sync(netdev->dev.parent);
+
if (adapter->itr_setting != 0)
e1000e_write_itr(adapter, adapter->itr);
else
e1000e_write_itr(adapter, 0);
+ pm_runtime_put_sync(netdev->dev.parent);
+
return 0;
}
@@ -1968,7 +2006,9 @@ static int e1000_nway_reset(struct net_device *netdev)
if (!adapter->hw.mac.autoneg)
return -EINVAL;
+ pm_runtime_get_sync(netdev->dev.parent);
e1000e_reinit_locked(adapter);
+ pm_runtime_put_sync(netdev->dev.parent);
return 0;
}
@@ -1982,7 +2022,12 @@ static void e1000_get_ethtool_stats(struct net_device *netdev,
int i;
char *p = NULL;
+ pm_runtime_get_sync(netdev->dev.parent);
+
e1000e_get_stats64(netdev, &net_stats);
+
+ pm_runtime_put_sync(netdev->dev.parent);
+
for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
switch (e1000_gstrings_stats[i].type) {
case NETDEV_STATS:
@@ -2033,7 +2078,11 @@ static int e1000_get_rxnfc(struct net_device *netdev,
case ETHTOOL_GRXFH: {
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
- u32 mrqc = er32(MRQC);
+ u32 mrqc;
+
+ pm_runtime_get_sync(netdev->dev.parent);
+ mrqc = er32(MRQC);
+ pm_runtime_put_sync(netdev->dev.parent);
if (!(mrqc & E1000_MRQC_RSS_FIELD_MASK))
return 0;
@@ -2096,9 +2145,13 @@ static int e1000e_get_eee(struct net_device *netdev, struct ethtool_eee *edata)
return -EOPNOTSUPP;
}
+ pm_runtime_get_sync(netdev->dev.parent);
+
ret_val = hw->phy.ops.acquire(hw);
- if (ret_val)
+ if (ret_val) {
+ pm_runtime_put_sync(netdev->dev.parent);
return -EBUSY;
+ }
/* EEE Capability */
ret_val = e1000_read_emi_reg_locked(hw, cap_addr, &phy_data);
@@ -2117,14 +2170,11 @@ static int e1000e_get_eee(struct net_device *netdev, struct ethtool_eee *edata)
/* EEE PCS Status */
ret_val = e1000_read_emi_reg_locked(hw, pcs_stat_addr, &phy_data);
+ if (ret_val)
+ goto release;
if (hw->phy.type == e1000_phy_82579)
phy_data <<= 8;
-release:
- hw->phy.ops.release(hw);
- if (ret_val)
- return -ENODATA;
-
/* Result of the EEE auto negotiation - there is no register that
* has the status of the EEE negotiation so do a best-guess based
* on whether Tx or Rx LPI indications have been received.
@@ -2136,7 +2186,14 @@ release:
edata->tx_lpi_enabled = true;
edata->tx_lpi_timer = er32(LPIC) >> E1000_LPIC_LPIET_SHIFT;
- return 0;
+release:
+ hw->phy.ops.release(hw);
+ if (ret_val)
+ ret_val = -ENODATA;
+
+ pm_runtime_put_sync(netdev->dev.parent);
+
+ return ret_val;
}
static int e1000e_set_eee(struct net_device *netdev, struct ethtool_eee *edata)
@@ -2169,12 +2226,16 @@ static int e1000e_set_eee(struct net_device *netdev, struct ethtool_eee *edata)
hw->dev_spec.ich8lan.eee_disable = !edata->eee_enabled;
+ pm_runtime_get_sync(netdev->dev.parent);
+
/* reset the link */
if (netif_running(netdev))
e1000e_reinit_locked(adapter);
else
e1000e_reset(adapter);
+ pm_runtime_put_sync(netdev->dev.parent);
+
return 0;
}
@@ -2212,19 +2273,7 @@ static int e1000e_get_ts_info(struct net_device *netdev,
return 0;
}
-static int e1000e_ethtool_begin(struct net_device *netdev)
-{
- return pm_runtime_get_sync(netdev->dev.parent);
-}
-
-static void e1000e_ethtool_complete(struct net_device *netdev)
-{
- pm_runtime_put_sync(netdev->dev.parent);
-}
-
static const struct ethtool_ops e1000_ethtool_ops = {
- .begin = e1000e_ethtool_begin,
- .complete = e1000e_ethtool_complete,
.get_settings = e1000_get_settings,
.set_settings = e1000_set_settings,
.get_drvinfo = e1000_get_drvinfo,
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-27 21:14:23 +0300