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path: root/drivers/net/ethernet/intel/e1000e/netdev.c
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Diffstat (limited to 'drivers/net/ethernet/intel/e1000e/netdev.c')
-rw-r--r--drivers/net/ethernet/intel/e1000e/netdev.c144
1 files changed, 89 insertions, 55 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index eccf1da9356b..2dcb5463d9b8 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -71,6 +71,7 @@ static const struct e1000_info *e1000_info_tbl[] = {
[board_pch2lan] = &e1000_pch2_info,
[board_pch_lpt] = &e1000_pch_lpt_info,
[board_pch_spt] = &e1000_pch_spt_info,
+ [board_pch_cnp] = &e1000_pch_cnp_info,
};
struct e1000_reg_info {
@@ -240,9 +241,9 @@ static void e1000e_dump(struct e1000_adapter *adapter)
/* Print netdevice Info */
if (netdev) {
dev_info(&adapter->pdev->dev, "Net device Info\n");
- pr_info("Device Name state trans_start last_rx\n");
- pr_info("%-15s %016lX %016lX %016lX\n", netdev->name,
- netdev->state, dev_trans_start(netdev), netdev->last_rx);
+ pr_info("Device Name state trans_start\n");
+ pr_info("%-15s %016lX %016lX\n", netdev->name,
+ netdev->state, dev_trans_start(netdev));
}
/* Print Registers */
@@ -1182,6 +1183,7 @@ static void e1000e_tx_hwtstamp_work(struct work_struct *work)
struct e1000_hw *hw = &adapter->hw;
if (er32(TSYNCTXCTL) & E1000_TSYNCTXCTL_VALID) {
+ struct sk_buff *skb = adapter->tx_hwtstamp_skb;
struct skb_shared_hwtstamps shhwtstamps;
u64 txstmp;
@@ -1190,9 +1192,14 @@ static void e1000e_tx_hwtstamp_work(struct work_struct *work)
e1000e_systim_to_hwtstamp(adapter, &shhwtstamps, txstmp);
- skb_tstamp_tx(adapter->tx_hwtstamp_skb, &shhwtstamps);
- dev_kfree_skb_any(adapter->tx_hwtstamp_skb);
+ /* Clear the global tx_hwtstamp_skb pointer and force writes
+ * prior to notifying the stack of a Tx timestamp.
+ */
adapter->tx_hwtstamp_skb = NULL;
+ wmb(); /* force write prior to skb_tstamp_tx */
+
+ skb_tstamp_tx(skb, &shhwtstamps);
+ dev_kfree_skb_any(skb);
} else if (time_after(jiffies, adapter->tx_hwtstamp_start
+ adapter->tx_timeout_factor * HZ)) {
dev_kfree_skb_any(adapter->tx_hwtstamp_skb);
@@ -1791,8 +1798,7 @@ static irqreturn_t e1000_intr_msi(int __always_unused irq, void *data)
}
/* Reset on uncorrectable ECC error */
- if ((icr & E1000_ICR_ECCER) && ((hw->mac.type == e1000_pch_lpt) ||
- (hw->mac.type == e1000_pch_spt))) {
+ if ((icr & E1000_ICR_ECCER) && (hw->mac.type >= e1000_pch_lpt)) {
u32 pbeccsts = er32(PBECCSTS);
adapter->corr_errors +=
@@ -1872,8 +1878,7 @@ static irqreturn_t e1000_intr(int __always_unused irq, void *data)
}
/* Reset on uncorrectable ECC error */
- if ((icr & E1000_ICR_ECCER) && ((hw->mac.type == e1000_pch_lpt) ||
- (hw->mac.type == e1000_pch_spt))) {
+ if ((icr & E1000_ICR_ECCER) && (hw->mac.type >= e1000_pch_lpt)) {
u32 pbeccsts = er32(PBECCSTS);
adapter->corr_errors +=
@@ -2241,8 +2246,7 @@ static void e1000_irq_enable(struct e1000_adapter *adapter)
if (adapter->msix_entries) {
ew32(EIAC_82574, adapter->eiac_mask & E1000_EIAC_MASK_82574);
ew32(IMS, adapter->eiac_mask | E1000_IMS_LSC);
- } else if ((hw->mac.type == e1000_pch_lpt) ||
- (hw->mac.type == e1000_pch_spt)) {
+ } else if (hw->mac.type >= e1000_pch_lpt) {
ew32(IMS, IMS_ENABLE_MASK | E1000_IMS_ECCER);
} else {
ew32(IMS, IMS_ENABLE_MASK);
@@ -3000,8 +3004,8 @@ static void e1000_configure_tx(struct e1000_adapter *adapter)
hw->mac.ops.config_collision_dist(hw);
- /* SPT Si errata workaround to avoid data corruption */
- if (hw->mac.type == e1000_pch_spt) {
+ /* SPT and CNP Si errata workaround to avoid data corruption */
+ if (hw->mac.type >= e1000_pch_spt) {
u32 reg_val;
reg_val = er32(IOSFPC);
@@ -3497,8 +3501,7 @@ s32 e1000e_get_base_timinca(struct e1000_adapter *adapter, u32 *timinca)
/* Make sure clock is enabled on I217/I218/I219 before checking
* the frequency
*/
- if (((hw->mac.type == e1000_pch_lpt) ||
- (hw->mac.type == e1000_pch_spt)) &&
+ if ((hw->mac.type >= e1000_pch_lpt) &&
!(er32(TSYNCTXCTL) & E1000_TSYNCTXCTL_ENABLED) &&
!(er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_ENABLED)) {
u32 fextnvm7 = er32(FEXTNVM7);
@@ -3511,37 +3514,58 @@ s32 e1000e_get_base_timinca(struct e1000_adapter *adapter, u32 *timinca)
switch (hw->mac.type) {
case e1000_pch2lan:
+ /* Stable 96MHz frequency */
+ incperiod = INCPERIOD_96MHZ;
+ incvalue = INCVALUE_96MHZ;
+ shift = INCVALUE_SHIFT_96MHZ;
+ adapter->cc.shift = shift + INCPERIOD_SHIFT_96MHZ;
+ break;
case e1000_pch_lpt:
if (er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_SYSCFI) {
/* Stable 96MHz frequency */
- incperiod = INCPERIOD_96MHz;
- incvalue = INCVALUE_96MHz;
- shift = INCVALUE_SHIFT_96MHz;
- adapter->cc.shift = shift + INCPERIOD_SHIFT_96MHz;
+ incperiod = INCPERIOD_96MHZ;
+ incvalue = INCVALUE_96MHZ;
+ shift = INCVALUE_SHIFT_96MHZ;
+ adapter->cc.shift = shift + INCPERIOD_SHIFT_96MHZ;
} else {
/* Stable 25MHz frequency */
- incperiod = INCPERIOD_25MHz;
- incvalue = INCVALUE_25MHz;
- shift = INCVALUE_SHIFT_25MHz;
+ incperiod = INCPERIOD_25MHZ;
+ incvalue = INCVALUE_25MHZ;
+ shift = INCVALUE_SHIFT_25MHZ;
adapter->cc.shift = shift;
}
break;
case e1000_pch_spt:
if (er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_SYSCFI) {
/* Stable 24MHz frequency */
- incperiod = INCPERIOD_24MHz;
- incvalue = INCVALUE_24MHz;
- shift = INCVALUE_SHIFT_24MHz;
+ incperiod = INCPERIOD_24MHZ;
+ incvalue = INCVALUE_24MHZ;
+ shift = INCVALUE_SHIFT_24MHZ;
adapter->cc.shift = shift;
break;
}
return -EINVAL;
+ case e1000_pch_cnp:
+ if (er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_SYSCFI) {
+ /* Stable 24MHz frequency */
+ incperiod = INCPERIOD_24MHZ;
+ incvalue = INCVALUE_24MHZ;
+ shift = INCVALUE_SHIFT_24MHZ;
+ adapter->cc.shift = shift;
+ } else {
+ /* Stable 38400KHz frequency */
+ incperiod = INCPERIOD_38400KHZ;
+ incvalue = INCVALUE_38400KHZ;
+ shift = INCVALUE_SHIFT_38400KHZ;
+ adapter->cc.shift = shift;
+ }
+ break;
case e1000_82574:
case e1000_82583:
/* Stable 25MHz frequency */
- incperiod = INCPERIOD_25MHz;
- incvalue = INCVALUE_25MHz;
- shift = INCVALUE_SHIFT_25MHz;
+ incperiod = INCPERIOD_25MHZ;
+ incvalue = INCVALUE_25MHZ;
+ shift = INCVALUE_SHIFT_25MHZ;
adapter->cc.shift = shift;
break;
default:
@@ -3662,6 +3686,7 @@ static int e1000e_config_hwtstamp(struct e1000_adapter *adapter,
* Delay Request messages but not both so fall-through to
* time stamp all packets.
*/
+ case HWTSTAMP_FILTER_NTP_ALL:
case HWTSTAMP_FILTER_ALL:
is_l2 = true;
is_l4 = true;
@@ -4032,6 +4057,7 @@ void e1000e_reset(struct e1000_adapter *adapter)
case e1000_pch2lan:
case e1000_pch_lpt:
case e1000_pch_spt:
+ case e1000_pch_cnp:
fc->refresh_time = 0x0400;
if (adapter->netdev->mtu <= ETH_DATA_LEN) {
@@ -4076,7 +4102,7 @@ void e1000e_reset(struct e1000_adapter *adapter)
}
}
- if (hw->mac.type == e1000_pch_spt)
+ if (hw->mac.type >= e1000_pch_spt)
e1000_flush_desc_rings(adapter);
/* Allow time for pending master requests to run */
mac->ops.reset_hw(hw);
@@ -4151,7 +4177,7 @@ void e1000e_reset(struct e1000_adapter *adapter)
phy_data &= ~IGP02E1000_PM_SPD;
e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, phy_data);
}
- if (hw->mac.type == e1000_pch_spt && adapter->int_mode == 0) {
+ if (hw->mac.type >= e1000_pch_spt && adapter->int_mode == 0) {
u32 reg;
/* Fextnvm7 @ 0xe4[2] = 1 */
@@ -4285,7 +4311,7 @@ void e1000e_down(struct e1000_adapter *adapter, bool reset)
if (!pci_channel_offline(adapter->pdev)) {
if (reset)
e1000e_reset(adapter);
- else if (hw->mac.type == e1000_pch_spt)
+ else if (hw->mac.type >= e1000_pch_spt)
e1000_flush_desc_rings(adapter);
}
e1000_clean_tx_ring(adapter->tx_ring);
@@ -4973,8 +4999,7 @@ static void e1000e_update_stats(struct e1000_adapter *adapter)
adapter->stats.mgpdc += er32(MGTPDC);
/* Correctable ECC Errors */
- if ((hw->mac.type == e1000_pch_lpt) ||
- (hw->mac.type == e1000_pch_spt)) {
+ if (hw->mac.type >= e1000_pch_lpt) {
u32 pbeccsts = er32(PBECCSTS);
adapter->corr_errors +=
@@ -5842,17 +5867,20 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
nr_frags);
if (count) {
if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) &&
- (adapter->flags & FLAG_HAS_HW_TIMESTAMP) &&
- !adapter->tx_hwtstamp_skb) {
- skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;
- tx_flags |= E1000_TX_FLAGS_HWTSTAMP;
- adapter->tx_hwtstamp_skb = skb_get(skb);
- adapter->tx_hwtstamp_start = jiffies;
- schedule_work(&adapter->tx_hwtstamp_work);
- } else {
- skb_tx_timestamp(skb);
+ (adapter->flags & FLAG_HAS_HW_TIMESTAMP)) {
+ if (!adapter->tx_hwtstamp_skb) {
+ skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;
+ tx_flags |= E1000_TX_FLAGS_HWTSTAMP;
+ adapter->tx_hwtstamp_skb = skb_get(skb);
+ adapter->tx_hwtstamp_start = jiffies;
+ schedule_work(&adapter->tx_hwtstamp_work);
+ } else {
+ adapter->tx_hwtstamp_skipped++;
+ }
}
+ skb_tx_timestamp(skb);
+
netdev_sent_queue(netdev, skb->len);
e1000_tx_queue(tx_ring, tx_flags, count);
/* Make sure there is space in the ring for the next send. */
@@ -5920,12 +5948,11 @@ static void e1000_reset_task(struct work_struct *work)
*
* Returns the address of the device statistics structure.
**/
-struct rtnl_link_stats64 *e1000e_get_stats64(struct net_device *netdev,
- struct rtnl_link_stats64 *stats)
+void e1000e_get_stats64(struct net_device *netdev,
+ struct rtnl_link_stats64 *stats)
{
struct e1000_adapter *adapter = netdev_priv(netdev);
- memset(stats, 0, sizeof(struct rtnl_link_stats64));
spin_lock(&adapter->stats64_lock);
e1000e_update_stats(adapter);
/* Fill out the OS statistics structure */
@@ -5958,7 +5985,6 @@ struct rtnl_link_stats64 *e1000e_get_stats64(struct net_device *netdev,
/* Tx Dropped needs to be maintained elsewhere */
spin_unlock(&adapter->stats64_lock);
- return stats;
}
/**
@@ -6350,8 +6376,7 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool runtime)
if (adapter->hw.phy.type == e1000_phy_igp_3) {
e1000e_igp3_phy_powerdown_workaround_ich8lan(&adapter->hw);
- } else if ((hw->mac.type == e1000_pch_lpt) ||
- (hw->mac.type == e1000_pch_spt)) {
+ } else if (hw->mac.type >= e1000_pch_lpt) {
if (!(wufc & (E1000_WUFC_EX | E1000_WUFC_MC | E1000_WUFC_BC)))
/* ULP does not support wake from unicast, multicast
* or broadcast.
@@ -6615,12 +6640,17 @@ static int e1000e_pm_thaw(struct device *dev)
static int e1000e_pm_suspend(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
+ int rc;
e1000e_flush_lpic(pdev);
e1000e_pm_freeze(dev);
- return __e1000_shutdown(pdev, false);
+ rc = __e1000_shutdown(pdev, false);
+ if (rc)
+ e1000e_pm_thaw(dev);
+
+ return rc;
}
static int e1000e_pm_resume(struct device *dev)
@@ -6718,20 +6748,20 @@ static irqreturn_t e1000_intr_msix(int __always_unused irq, void *data)
vector = 0;
msix_irq = adapter->msix_entries[vector].vector;
- disable_irq(msix_irq);
- e1000_intr_msix_rx(msix_irq, netdev);
+ if (disable_hardirq(msix_irq))
+ e1000_intr_msix_rx(msix_irq, netdev);
enable_irq(msix_irq);
vector++;
msix_irq = adapter->msix_entries[vector].vector;
- disable_irq(msix_irq);
- e1000_intr_msix_tx(msix_irq, netdev);
+ if (disable_hardirq(msix_irq))
+ e1000_intr_msix_tx(msix_irq, netdev);
enable_irq(msix_irq);
vector++;
msix_irq = adapter->msix_entries[vector].vector;
- disable_irq(msix_irq);
- e1000_msix_other(msix_irq, netdev);
+ if (disable_hardirq(msix_irq))
+ e1000_msix_other(msix_irq, netdev);
enable_irq(msix_irq);
}
@@ -7510,6 +7540,10 @@ static const struct pci_device_id e1000_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_SPT_I219_V4), board_pch_spt },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_SPT_I219_LM5), board_pch_spt },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_SPT_I219_V5), board_pch_spt },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_CNP_I219_LM6), board_pch_cnp },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_CNP_I219_V6), board_pch_cnp },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_CNP_I219_LM7), board_pch_cnp },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_CNP_I219_V7), board_pch_cnp },
{ 0, 0, 0, 0, 0, 0, 0 } /* terminate list */
};
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