char e1000_driver_name[] = "e1000";
static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
-#ifndef CONFIG_E1000_NAPI
-#define DRIVERNAPI
-#else
-#define DRIVERNAPI "-NAPI"
-#endif
-#define DRV_VERSION "7.3.20-k2"DRIVERNAPI
+#define DRV_VERSION "7.3.20-k3-NAPI"
const char e1000_driver_version[] = DRV_VERSION;
static const char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation.";
static irqreturn_t e1000_intr_msi(int irq, void *data);
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
struct e1000_tx_ring *tx_ring);
-#ifdef CONFIG_E1000_NAPI
static int e1000_clean(struct napi_struct *napi, int budget);
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
struct e1000_rx_ring *rx_ring,
static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
struct e1000_rx_ring *rx_ring,
int *work_done, int work_to_do);
-#else
-static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
- struct e1000_rx_ring *rx_ring);
-static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
- struct e1000_rx_ring *rx_ring);
-#endif
static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
struct e1000_rx_ring *rx_ring,
int cleaned_count);
clear_bit(__E1000_DOWN, &adapter->flags);
-#ifdef CONFIG_E1000_NAPI
napi_enable(&adapter->napi);
-#endif
+
e1000_irq_enable(adapter);
/* fire a link change interrupt to start the watchdog */
* reschedule our watchdog timer */
set_bit(__E1000_DOWN, &adapter->flags);
-#ifdef CONFIG_E1000_NAPI
napi_disable(&adapter->napi);
-#endif
+
e1000_irq_disable(adapter);
del_timer_sync(&adapter->tx_fifo_stall_timer);
printk(KERN_ERR "to enable this network device.\n");
printk(KERN_ERR "Please inspect the EEPROM dump and report the issue "
"to your hardware vendor\n");
- printk(KERN_ERR "or Intel Customer Support: linux-nics@intel.com\n");
+ printk(KERN_ERR "or Intel Customer Support.\n");
printk(KERN_ERR "/*********************/\n");
kfree(data);
}
+/**
+ * e1000_is_need_ioport - determine if an adapter needs ioport resources or not
+ * @pdev: PCI device information struct
+ *
+ * Return true if an adapter needs ioport resources
+ **/
+static int e1000_is_need_ioport(struct pci_dev *pdev)
+{
+ switch (pdev->device) {
+ case E1000_DEV_ID_82540EM:
+ case E1000_DEV_ID_82540EM_LOM:
+ case E1000_DEV_ID_82540EP:
+ case E1000_DEV_ID_82540EP_LOM:
+ case E1000_DEV_ID_82540EP_LP:
+ case E1000_DEV_ID_82541EI:
+ case E1000_DEV_ID_82541EI_MOBILE:
+ case E1000_DEV_ID_82541ER:
+ case E1000_DEV_ID_82541ER_LOM:
+ case E1000_DEV_ID_82541GI:
+ case E1000_DEV_ID_82541GI_LF:
+ case E1000_DEV_ID_82541GI_MOBILE:
+ case E1000_DEV_ID_82544EI_COPPER:
+ case E1000_DEV_ID_82544EI_FIBER:
+ case E1000_DEV_ID_82544GC_COPPER:
+ case E1000_DEV_ID_82544GC_LOM:
+ case E1000_DEV_ID_82545EM_COPPER:
+ case E1000_DEV_ID_82545EM_FIBER:
+ case E1000_DEV_ID_82546EB_COPPER:
+ case E1000_DEV_ID_82546EB_FIBER:
+ case E1000_DEV_ID_82546EB_QUAD_COPPER:
+ return true;
+ default:
+ return false;
+ }
+}
+
/**
* e1000_probe - Device Initialization Routine
* @pdev: PCI device information struct
* The OS initialization, configuring of the adapter private structure,
* and a hardware reset occur.
**/
-
static int __devinit e1000_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
int i, err, pci_using_dac;
u16 eeprom_data = 0;
u16 eeprom_apme_mask = E1000_EEPROM_APME;
+ int bars, need_ioport;
DECLARE_MAC_BUF(mac);
- err = pci_enable_device(pdev);
+ /* do not allocate ioport bars when not needed */
+ need_ioport = e1000_is_need_ioport(pdev);
+ if (need_ioport) {
+ bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
+ err = pci_enable_device(pdev);
+ } else {
+ bars = pci_select_bars(pdev, IORESOURCE_MEM);
+ err = pci_enable_device(pdev);
+ }
if (err)
return err;
pci_using_dac = 0;
}
- err = pci_request_regions(pdev, e1000_driver_name);
+ err = pci_request_selected_regions(pdev, bars, e1000_driver_name);
if (err)
goto err_pci_reg;
adapter->netdev = netdev;
adapter->pdev = pdev;
adapter->msg_enable = (1 << debug) - 1;
+ adapter->bars = bars;
+ adapter->need_ioport = need_ioport;
hw = &adapter->hw;
hw->back = adapter;
if (!hw->hw_addr)
goto err_ioremap;
- for (i = BAR_1; i <= BAR_5; i++) {
- if (pci_resource_len(pdev, i) == 0)
- continue;
- if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
- hw->io_base = pci_resource_start(pdev, i);
- break;
+ if (adapter->need_ioport) {
+ for (i = BAR_1; i <= BAR_5; i++) {
+ if (pci_resource_len(pdev, i) == 0)
+ continue;
+ if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
+ hw->io_base = pci_resource_start(pdev, i);
+ break;
+ }
}
}
e1000_set_ethtool_ops(netdev);
netdev->tx_timeout = &e1000_tx_timeout;
netdev->watchdog_timeo = 5 * HZ;
-#ifdef CONFIG_E1000_NAPI
netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
-#endif
netdev->vlan_rx_register = e1000_vlan_rx_register;
netdev->vlan_rx_add_vid = e1000_vlan_rx_add_vid;
netdev->vlan_rx_kill_vid = e1000_vlan_rx_kill_vid;
if (hw->flash_address)
iounmap(hw->flash_address);
err_flashmap:
-#ifdef CONFIG_E1000_NAPI
for (i = 0; i < adapter->num_rx_queues; i++)
dev_put(&adapter->polling_netdev[i]);
-#endif
kfree(adapter->tx_ring);
kfree(adapter->rx_ring);
-#ifdef CONFIG_E1000_NAPI
kfree(adapter->polling_netdev);
-#endif
err_sw_init:
iounmap(hw->hw_addr);
err_ioremap:
free_netdev(netdev);
err_alloc_etherdev:
- pci_release_regions(pdev);
+ pci_release_selected_regions(pdev, bars);
err_pci_reg:
err_dma:
pci_disable_device(pdev);
struct net_device *netdev = pci_get_drvdata(pdev);
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
-#ifdef CONFIG_E1000_NAPI
int i;
-#endif
cancel_work_sync(&adapter->reset_task);
* would have already happened in close and is redundant. */
e1000_release_hw_control(adapter);
-#ifdef CONFIG_E1000_NAPI
for (i = 0; i < adapter->num_rx_queues; i++)
dev_put(&adapter->polling_netdev[i]);
-#endif
unregister_netdev(netdev);
kfree(adapter->tx_ring);
kfree(adapter->rx_ring);
-#ifdef CONFIG_E1000_NAPI
kfree(adapter->polling_netdev);
-#endif
iounmap(hw->hw_addr);
if (hw->flash_address)
iounmap(hw->flash_address);
- pci_release_regions(pdev);
+ pci_release_selected_regions(pdev, adapter->bars);
free_netdev(netdev);
struct e1000_hw *hw = &adapter->hw;
struct net_device *netdev = adapter->netdev;
struct pci_dev *pdev = adapter->pdev;
-#ifdef CONFIG_E1000_NAPI
int i;
-#endif
/* PCI config space info */
return -ENOMEM;
}
-#ifdef CONFIG_E1000_NAPI
for (i = 0; i < adapter->num_rx_queues; i++) {
adapter->polling_netdev[i].priv = adapter;
dev_hold(&adapter->polling_netdev[i]);
set_bit(__LINK_STATE_START, &adapter->polling_netdev[i].state);
}
spin_lock_init(&adapter->tx_queue_lock);
-#endif
/* Explicitly disable IRQ since the NIC can be in any state. */
e1000_irq_disable(adapter);
return -ENOMEM;
}
-#ifdef CONFIG_E1000_NAPI
adapter->polling_netdev = kcalloc(adapter->num_rx_queues,
sizeof(struct net_device),
GFP_KERNEL);
kfree(adapter->rx_ring);
return -ENOMEM;
}
-#endif
return E1000_SUCCESS;
}
/* From here on the code is the same as e1000_up() */
clear_bit(__E1000_DOWN, &adapter->flags);
-#ifdef CONFIG_E1000_NAPI
napi_enable(&adapter->napi);
-#endif
e1000_irq_enable(adapter);
ctrl_ext = er32(CTRL_EXT);
/* Reset delay timers after every interrupt */
ctrl_ext |= E1000_CTRL_EXT_INT_TIMER_CLR;
-#ifdef CONFIG_E1000_NAPI
/* Auto-Mask interrupts upon ICR access */
ctrl_ext |= E1000_CTRL_EXT_IAME;
ew32(IAM, 0xffffffff);
-#endif
ew32(CTRL_EXT, ctrl_ext);
E1000_WRITE_FLUSH();
}
struct net_device *netdev = data;
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
-#ifndef CONFIG_E1000_NAPI
- int i;
-#endif
u32 icr = er32(ICR);
/* in NAPI mode read ICR disables interrupts using IAM */
mod_timer(&adapter->watchdog_timer, jiffies + 1);
}
-#ifdef CONFIG_E1000_NAPI
if (likely(netif_rx_schedule_prep(netdev, &adapter->napi))) {
adapter->total_tx_bytes = 0;
adapter->total_tx_packets = 0;
__netif_rx_schedule(netdev, &adapter->napi);
} else
e1000_irq_enable(adapter);
-#else
- adapter->total_tx_bytes = 0;
- adapter->total_rx_bytes = 0;
- adapter->total_tx_packets = 0;
- adapter->total_rx_packets = 0;
-
- for (i = 0; i < E1000_MAX_INTR; i++)
- if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring) &
- !e1000_clean_tx_irq(adapter, adapter->tx_ring)))
- break;
-
- if (likely(adapter->itr_setting & 3))
- e1000_set_itr(adapter);
-#endif
return IRQ_HANDLED;
}
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
u32 rctl, icr = er32(ICR);
-#ifndef CONFIG_E1000_NAPI
- int i;
-#endif
+
if (unlikely(!icr))
return IRQ_NONE; /* Not our interrupt */
-#ifdef CONFIG_E1000_NAPI
/* IMS will not auto-mask if INT_ASSERTED is not set, and if it is
* not set, then the adapter didn't send an interrupt */
if (unlikely(hw->mac_type >= e1000_82571 &&
/* Interrupt Auto-Mask...upon reading ICR, interrupts are masked. No
* need for the IMC write */
-#endif
if (unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) {
hw->get_link_status = 1;
mod_timer(&adapter->watchdog_timer, jiffies + 1);
}
-#ifdef CONFIG_E1000_NAPI
if (unlikely(hw->mac_type < e1000_82571)) {
/* disable interrupts, without the synchronize_irq bit */
ew32(IMC, ~0);
/* this really should not happen! if it does it is basically a
* bug, but not a hard error, so enable ints and continue */
e1000_irq_enable(adapter);
-#else
- /* Writing IMC and IMS is needed for 82547.
- * Due to Hub Link bus being occupied, an interrupt
- * de-assertion message is not able to be sent.
- * When an interrupt assertion message is generated later,
- * two messages are re-ordered and sent out.
- * That causes APIC to think 82547 is in de-assertion
- * state, while 82547 is in assertion state, resulting
- * in dead lock. Writing IMC forces 82547 into
- * de-assertion state.
- */
- if (hw->mac_type == e1000_82547 || hw->mac_type == e1000_82547_rev_2)
- ew32(IMC, ~0);
-
- adapter->total_tx_bytes = 0;
- adapter->total_rx_bytes = 0;
- adapter->total_tx_packets = 0;
- adapter->total_rx_packets = 0;
- for (i = 0; i < E1000_MAX_INTR; i++)
- if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring) &
- !e1000_clean_tx_irq(adapter, adapter->tx_ring)))
- break;
-
- if (likely(adapter->itr_setting & 3))
- e1000_set_itr(adapter);
-
- if (hw->mac_type == e1000_82547 || hw->mac_type == e1000_82547_rev_2)
- e1000_irq_enable(adapter);
-
-#endif
return IRQ_HANDLED;
}
-#ifdef CONFIG_E1000_NAPI
/**
* e1000_clean - NAPI Rx polling callback
* @adapter: board private structure
**/
-
static int e1000_clean(struct napi_struct *napi, int budget)
{
struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
return work_done;
}
-#endif
/**
* e1000_clean_tx_irq - Reclaim resources after transmit completes
* @adapter: board private structure
**/
-
static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
struct e1000_tx_ring *tx_ring)
{
struct e1000_tx_desc *tx_desc, *eop_desc;
struct e1000_buffer *buffer_info;
unsigned int i, eop;
-#ifdef CONFIG_E1000_NAPI
unsigned int count = 0;
-#endif
bool cleaned = false;
unsigned int total_tx_bytes=0, total_tx_packets=0;
eop = tx_ring->buffer_info[i].next_to_watch;
eop_desc = E1000_TX_DESC(*tx_ring, eop);
-#ifdef CONFIG_E1000_NAPI
#define E1000_TX_WEIGHT 64
/* weight of a sort for tx, to avoid endless transmit cleanup */
- if (count++ == E1000_TX_WEIGHT) break;
-#endif
+ if (count++ == E1000_TX_WEIGHT)
+ break;
}
tx_ring->next_to_clean = i;
* e1000_clean_rx_irq - Send received data up the network stack; legacy
* @adapter: board private structure
**/
-#ifdef CONFIG_E1000_NAPI
static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
struct e1000_rx_ring *rx_ring,
int *work_done, int work_to_do)
-#else
-static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
- struct e1000_rx_ring *rx_ring)
-#endif
{
struct e1000_hw *hw = &adapter->hw;
struct net_device *netdev = adapter->netdev;
struct sk_buff *skb;
u8 status;
-#ifdef CONFIG_E1000_NAPI
if (*work_done >= work_to_do)
break;
(*work_done)++;
-#endif
+
status = rx_desc->status;
skb = buffer_info->skb;
buffer_info->skb = NULL;
le16_to_cpu(rx_desc->csum), skb);
skb->protocol = eth_type_trans(skb, netdev);
-#ifdef CONFIG_E1000_NAPI
+
if (unlikely(adapter->vlgrp &&
(status & E1000_RXD_STAT_VP))) {
vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
} else {
netif_receive_skb(skb);
}
-#else /* CONFIG_E1000_NAPI */
- if (unlikely(adapter->vlgrp &&
- (status & E1000_RXD_STAT_VP))) {
- vlan_hwaccel_rx(skb, adapter->vlgrp,
- le16_to_cpu(rx_desc->special));
- } else {
- netif_rx(skb);
- }
-#endif /* CONFIG_E1000_NAPI */
+
netdev->last_rx = jiffies;
next_desc:
* @adapter: board private structure
**/
-#ifdef CONFIG_E1000_NAPI
static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
struct e1000_rx_ring *rx_ring,
int *work_done, int work_to_do)
-#else
-static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
- struct e1000_rx_ring *rx_ring)
-#endif
{
union e1000_rx_desc_packet_split *rx_desc, *next_rxd;
struct net_device *netdev = adapter->netdev;
while (staterr & E1000_RXD_STAT_DD) {
ps_page = &rx_ring->ps_page[i];
ps_page_dma = &rx_ring->ps_page_dma[i];
-#ifdef CONFIG_E1000_NAPI
+
if (unlikely(*work_done >= work_to_do))
break;
(*work_done)++;
-#endif
+
skb = buffer_info->skb;
/* in the packet split case this is header only */
if (likely(rx_desc->wb.upper.header_status &
cpu_to_le16(E1000_RXDPS_HDRSTAT_HDRSP)))
adapter->rx_hdr_split++;
-#ifdef CONFIG_E1000_NAPI
+
if (unlikely(adapter->vlgrp && (staterr & E1000_RXD_STAT_VP))) {
vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
le16_to_cpu(rx_desc->wb.middle.vlan));
} else {
netif_receive_skb(skb);
}
-#else /* CONFIG_E1000_NAPI */
- if (unlikely(adapter->vlgrp && (staterr & E1000_RXD_STAT_VP))) {
- vlan_hwaccel_rx(skb, adapter->vlgrp,
- le16_to_cpu(rx_desc->wb.middle.vlan));
- } else {
- netif_rx(skb);
- }
-#endif /* CONFIG_E1000_NAPI */
+
netdev->last_rx = jiffies;
next_desc:
pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
- err = pci_enable_device(pdev);
+
+ if (adapter->need_ioport)
+ err = pci_enable_device(pdev);
+ else
+ err = pci_enable_device_mem(pdev);
if (err) {
printk(KERN_ERR "e1000: Cannot enable PCI device from suspend\n");
return err;
disable_irq(adapter->pdev->irq);
e1000_intr(adapter->pdev->irq, netdev);
-#ifndef CONFIG_E1000_NAPI
- adapter->clean_rx(adapter, adapter->rx_ring);
-#endif
enable_irq(adapter->pdev->irq);
}
#endif
struct net_device *netdev = pci_get_drvdata(pdev);
struct e1000_adapter *adapter = netdev->priv;
struct e1000_hw *hw = &adapter->hw;
+ int err;
- if (pci_enable_device(pdev)) {
+ if (adapter->need_ioport)
+ err = pci_enable_device(pdev);
+ else
+ err = pci_enable_device_mem(pdev);
+ if (err) {
printk(KERN_ERR "e1000: Cannot re-enable PCI device after reset.\n");
return PCI_ERS_RESULT_DISCONNECT;
}
projects / mv-sheeva.git / blobdiff