static void e1000_receive_skb(struct e1000_adapter *adapter,
struct net_device *netdev,
struct sk_buff *skb,
- u8 status, u16 vlan)
+ u8 status, __le16 vlan)
{
skb->protocol = eth_type_trans(skb, netdev);
/* Hardware complements the payload checksum, so we undo it
* and then put the value in host order for further stack use.
*/
- csum = ntohl(csum ^ 0xFFFF);
- skb->csum = csum;
+ __sum16 sum = (__force __sum16)htons(csum);
+ skb->csum = csum_unfold(~sum);
skb->ip_summed = CHECKSUM_COMPLETE;
}
adapter->hw_csum_good++;
ps_page = &buffer_info->ps_pages[j];
if (j >= adapter->rx_ps_pages) {
/* all unused desc entries get hw null ptr */
- rx_desc->read.buffer_addr[j+1] = ~0;
+ rx_desc->read.buffer_addr[j+1] = ~cpu_to_le64(0);
continue;
}
if (!ps_page->page) {
adapter->total_rx_packets += total_rx_packets;
adapter->total_rx_bytes += total_rx_bytes;
+ adapter->net_stats.rx_packets += total_rx_packets;
+ adapter->net_stats.rx_bytes += total_rx_bytes;
return cleaned;
}
}
adapter->total_tx_bytes += total_tx_bytes;
adapter->total_tx_packets += total_tx_packets;
+ adapter->net_stats.tx_packets += total_tx_packets;
+ adapter->net_stats.tx_bytes += total_tx_bytes;
return cleaned;
}
adapter->total_rx_packets += total_rx_packets;
adapter->total_rx_bytes += total_rx_bytes;
+ adapter->net_stats.rx_packets += total_rx_packets;
+ adapter->net_stats.rx_bytes += total_rx_bytes;
return cleaned;
}
static int e1000_request_irq(struct e1000_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
- void (*handler) = &e1000_intr;
+ irq_handler_t handler = e1000_intr;
int irq_flags = IRQF_SHARED;
int err;
- err = pci_enable_msi(adapter->pdev);
- if (err) {
- ndev_warn(netdev,
- "Unable to allocate MSI interrupt Error: %d\n", err);
- } else {
+ if (!pci_enable_msi(adapter->pdev)) {
adapter->flags |= FLAG_MSI_ENABLED;
- handler = &e1000_intr_msi;
+ handler = e1000_intr_msi;
irq_flags = 0;
}
err = request_irq(adapter->pdev->irq, handler, irq_flags, netdev->name,
netdev);
if (err) {
+ ndev_err(netdev,
+ "Unable to allocate %s interrupt (return: %d)\n",
+ adapter->flags & FLAG_MSI_ENABLED ? "MSI":"INTx",
+ err);
if (adapter->flags & FLAG_MSI_ENABLED)
pci_disable_msi(adapter->pdev);
- ndev_err(netdev,
- "Unable to allocate interrupt Error: %d\n", err);
}
return err;
* e1000_get_hw_control - get control of the h/w from f/w
* @adapter: address of board private structure
*
- * e1000_get_hw_control sets {CTRL_EXT|FWSM}:DRV_LOAD bit.
+ * e1000_get_hw_control sets {CTRL_EXT|SWSM}:DRV_LOAD bit.
* For ASF and Pass Through versions of f/w this means that
* the driver is loaded. For AMT version (only with 82573)
* of the f/w this means that the network i/f is open.
* e1000_release_hw_control - release control of the h/w to f/w
* @adapter: address of board private structure
*
- * e1000_release_hw_control resets {CTRL_EXT|FWSM}:DRV_LOAD bit.
+ * e1000_release_hw_control resets {CTRL_EXT|SWSM}:DRV_LOAD bit.
* For ASF and Pass Through versions of f/w this means that the
* driver is no longer loaded. For AMT version (only with 82573) i
* of the f/w this means that the network i/f is closed.
}
}
-static void e1000_release_manageability(struct e1000_adapter *adapter)
-{
- if (adapter->flags & FLAG_MNG_PT_ENABLED) {
- struct e1000_hw *hw = &adapter->hw;
-
- u32 manc = er32(MANC);
-
- /* re-enable hardware interception of ARP */
- manc |= E1000_MANC_ARP_EN;
- manc &= ~E1000_MANC_EN_MNG2HOST;
-
- /* don't explicitly have to mess with MANC2H since
- * MANC has an enable disable that gates MANC2H */
- ew32(MANC, manc);
- }
-}
-
/**
* @e1000_alloc_ring - allocate memory for a ring structure
**/
/**
* e1000_update_itr - update the dynamic ITR value based on statistics
+ * @adapter: pointer to adapter
+ * @itr_setting: current adapter->itr
+ * @packets: the number of packets during this measurement interval
+ * @bytes: the number of bytes during this measurement interval
+ *
* Stores a new ITR value based on packets and byte
* counts during the last interrupt. The advantage of per interrupt
* computation is faster updates and more accurate ITR for the current
* while increasing bulk throughput.
* this functionality is controlled by the InterruptThrottleRate module
* parameter (see e1000_param.c)
- * @adapter: pointer to adapter
- * @itr_setting: current adapter->itr
- * @packets: the number of packets during this measurement interval
- * @bytes: the number of bytes during this measurement interval
**/
static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
u16 itr_setting, int packets,
/**
* e1000_clean - NAPI Rx polling callback
* @adapter: board private structure
+ * @budget: amount of packets driver is allowed to process this poll
**/
static int e1000_clean(struct napi_struct *napi, int budget)
{
manc = er32(MANC);
- /* disable hardware interception of ARP */
- manc &= ~(E1000_MANC_ARP_EN);
-
/* enable receiving management packets to the host. this will probably
* generate destination unreachable messages from the host OS, but
* the packets will be handled on SMBUS */
else
rctl |= E1000_RCTL_LPE;
+ /* Enable hardware CRC frame stripping */
+ rctl |= E1000_RCTL_SECRC;
+
/* Setup buffer sizes */
rctl &= ~E1000_RCTL_SZ_4096;
rctl |= E1000_RCTL_BSEX;
/* Enable Packet split descriptors */
rctl |= E1000_RCTL_DTYP_PS;
-
- /* Enable hardware CRC frame stripping */
- rctl |= E1000_RCTL_SECRC;
psrctl |= adapter->rx_ps_bsize0 >>
E1000_PSRCTL_BSIZE0_SHIFT;
u16 mii_reg;
/* WoL is enabled */
- if (!adapter->wol)
+ if (adapter->wol)
return;
/* non-copper PHY? */
e1000_check_reset_block(hw))
return;
- /* managebility (AMT) is enabled */
+ /* manageability (AMT) is enabled */
if (er32(MANC) & E1000_MANC_SMBUS_EN)
return;
phy_data &= ~IGP02E1000_PM_SPD;
e1e_wphy(hw, IGP02E1000_PHY_POWER_MGMT, phy_data);
}
-
- e1000_release_manageability(adapter);
}
int e1000e_up(struct e1000_adapter *adapter)
msleep(10);
napi_disable(&adapter->napi);
+ atomic_set(&adapter->irq_sem, 0);
e1000_irq_disable(adapter);
del_timer_sync(&adapter->watchdog_timer);
}
/* Fill out the OS statistics structure */
- adapter->net_stats.rx_packets = adapter->stats.gprc;
- adapter->net_stats.tx_packets = adapter->stats.gptc;
- adapter->net_stats.rx_bytes = adapter->stats.gorcl;
- adapter->net_stats.tx_bytes = adapter->stats.gotcl;
adapter->net_stats.multicast = adapter->stats.mprc;
adapter->net_stats.collisions = adapter->stats.colc;
pci_enable_wake(pdev, PCI_D3cold, 0);
}
- e1000_release_manageability(adapter);
-
/* make sure adapter isn't asleep if manageability is enabled */
if (adapter->flags & FLAG_MNG_PT_ENABLED) {
pci_enable_wake(pdev, PCI_D3hot, 1);
return 0;
}
+static void e1000e_disable_l1aspm(struct pci_dev *pdev)
+{
+ int pos;
+ u16 val;
+
+ /*
+ * 82573 workaround - disable L1 ASPM on mobile chipsets
+ *
+ * L1 ASPM on various mobile (ich7) chipsets do not behave properly
+ * resulting in lost data or garbage information on the pci-e link
+ * level. This could result in (false) bad EEPROM checksum errors,
+ * long ping times (up to 2s) or even a system freeze/hang.
+ *
+ * Unfortunately this feature saves about 1W power consumption when
+ * active.
+ */
+ pos = pci_find_capability(pdev, PCI_CAP_ID_EXP);
+ pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, &val);
+ if (val & 0x2) {
+ dev_warn(&pdev->dev, "Disabling L1 ASPM\n");
+ val &= ~0x2;
+ pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, val);
+ }
+}
+
#ifdef CONFIG_PM
static int e1000_resume(struct pci_dev *pdev)
{
pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
+ e1000e_disable_l1aspm(pdev);
err = pci_enable_device(pdev);
if (err) {
dev_err(&pdev->dev,
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
+ e1000e_disable_l1aspm(pdev);
if (pci_enable_device(pdev)) {
dev_err(&pdev->dev,
"Cannot re-enable PCI device after reset.\n");
u16 eeprom_data = 0;
u16 eeprom_apme_mask = E1000_EEPROM_APME;
+ e1000e_disable_l1aspm(pdev);
err = pci_enable_device(pdev);
if (err)
return err;
flush_scheduled_work();
- e1000_release_manageability(adapter);
-
/* Release control of h/w to f/w. If f/w is AMT enabled, this
* would have already happened in close and is redundant. */
e1000_release_hw_control(adapter);
};
static struct pci_device_id e1000_pci_tbl[] = {
- /*
- * Support for 82571/2/3, es2lan and ich8 will be phased in
- * stepwise.
-
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_COPPER), board_82571 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_FIBER), board_82571 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER), board_82571 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER_LP), board_82571 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_FIBER), board_82571 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES), board_82571 },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_DUAL), board_82571 },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_SERDES_QUAD), board_82571 },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_82571PT_QUAD_COPPER), board_82571 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI), board_82572 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_COPPER), board_82572 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82572EI_FIBER), board_82572 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_C), board_ich8lan },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M), board_ich8lan },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH8_IGP_M_AMT), board_ich8lan },
- */
-
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE), board_ich9lan },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_G), board_ich9lan },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_GT), board_ich9lan },
git.samba.org / sfrench / cifs-2.6.git / blobdiff