summaryrefslogtreecommitdiff
path: root/drivers/net/e1000/e1000_main.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/e1000/e1000_main.c')
-rw-r--r--drivers/net/e1000/e1000_main.c429
1 files changed, 225 insertions, 204 deletions
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index b15ece26ed84..ebdea0891665 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -31,7 +31,7 @@
char e1000_driver_name[] = "e1000";
static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
-#define DRV_VERSION "7.3.21-k5-NAPI"
+#define DRV_VERSION "7.3.21-k6-NAPI"
const char e1000_driver_version[] = DRV_VERSION;
static const char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation.";
@@ -214,6 +214,17 @@ module_param(debug, int, 0);
MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
/**
+ * e1000_get_hw_dev - return device
+ * used by hardware layer to print debugging information
+ *
+ **/
+struct net_device *e1000_get_hw_dev(struct e1000_hw *hw)
+{
+ struct e1000_adapter *adapter = hw->back;
+ return adapter->netdev;
+}
+
+/**
* e1000_init_module - Driver Registration Routine
*
* e1000_init_module is the first routine called when the driver is
@@ -223,18 +234,17 @@ MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
static int __init e1000_init_module(void)
{
int ret;
- printk(KERN_INFO "%s - version %s\n",
- e1000_driver_string, e1000_driver_version);
+ pr_info("%s - version %s\n", e1000_driver_string, e1000_driver_version);
- printk(KERN_INFO "%s\n", e1000_copyright);
+ pr_info("%s\n", e1000_copyright);
ret = pci_register_driver(&e1000_driver);
if (copybreak != COPYBREAK_DEFAULT) {
if (copybreak == 0)
- printk(KERN_INFO "e1000: copybreak disabled\n");
+ pr_info("copybreak disabled\n");
else
- printk(KERN_INFO "e1000: copybreak enabled for "
- "packets <= %u bytes\n", copybreak);
+ pr_info("copybreak enabled for "
+ "packets <= %u bytes\n", copybreak);
}
return ret;
}
@@ -265,8 +275,7 @@ static int e1000_request_irq(struct e1000_adapter *adapter)
err = request_irq(adapter->pdev->irq, handler, irq_flags, netdev->name,
netdev);
if (err) {
- DPRINTK(PROBE, ERR,
- "Unable to allocate interrupt Error: %d\n", err);
+ e_err("Unable to allocate interrupt Error: %d\n", err);
}
return err;
@@ -648,7 +657,7 @@ void e1000_reset(struct e1000_adapter *adapter)
ew32(WUC, 0);
if (e1000_init_hw(hw))
- DPRINTK(PROBE, ERR, "Hardware Error\n");
+ e_err("Hardware Error\n");
e1000_update_mng_vlan(adapter);
/* if (adapter->hwflags & HWFLAGS_PHY_PWR_BIT) { */
@@ -689,8 +698,7 @@ static void e1000_dump_eeprom(struct e1000_adapter *adapter)
data = kmalloc(eeprom.len, GFP_KERNEL);
if (!data) {
- printk(KERN_ERR "Unable to allocate memory to dump EEPROM"
- " data\n");
+ pr_err("Unable to allocate memory to dump EEPROM data\n");
return;
}
@@ -702,30 +710,25 @@ static void e1000_dump_eeprom(struct e1000_adapter *adapter)
csum_new += data[i] + (data[i + 1] << 8);
csum_new = EEPROM_SUM - csum_new;
- printk(KERN_ERR "/*********************/\n");
- printk(KERN_ERR "Current EEPROM Checksum : 0x%04x\n", csum_old);
- printk(KERN_ERR "Calculated : 0x%04x\n", csum_new);
+ pr_err("/*********************/\n");
+ pr_err("Current EEPROM Checksum : 0x%04x\n", csum_old);
+ pr_err("Calculated : 0x%04x\n", csum_new);
- printk(KERN_ERR "Offset Values\n");
- printk(KERN_ERR "======== ======\n");
+ pr_err("Offset Values\n");
+ pr_err("======== ======\n");
print_hex_dump(KERN_ERR, "", DUMP_PREFIX_OFFSET, 16, 1, data, 128, 0);
- printk(KERN_ERR "Include this output when contacting your support "
- "provider.\n");
- printk(KERN_ERR "This is not a software error! Something bad "
- "happened to your hardware or\n");
- printk(KERN_ERR "EEPROM image. Ignoring this "
- "problem could result in further problems,\n");
- printk(KERN_ERR "possibly loss of data, corruption or system hangs!\n");
- printk(KERN_ERR "The MAC Address will be reset to 00:00:00:00:00:00, "
- "which is invalid\n");
- printk(KERN_ERR "and requires you to set the proper MAC "
- "address manually before continuing\n");
- 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.\n");
- printk(KERN_ERR "/*********************/\n");
+ pr_err("Include this output when contacting your support provider.\n");
+ pr_err("This is not a software error! Something bad happened to\n");
+ pr_err("your hardware or EEPROM image. Ignoring this problem could\n");
+ pr_err("result in further problems, possibly loss of data,\n");
+ pr_err("corruption or system hangs!\n");
+ pr_err("The MAC Address will be reset to 00:00:00:00:00:00,\n");
+ pr_err("which is invalid and requires you to set the proper MAC\n");
+ pr_err("address manually before continuing to enable this network\n");
+ pr_err("device. Please inspect the EEPROM dump and report the\n");
+ pr_err("issue to your hardware vendor or Intel Customer Support.\n");
+ pr_err("/*********************/\n");
kfree(data);
}
@@ -823,16 +826,16 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
if (err)
return err;
- if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
- !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) {
+ if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) &&
+ !dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64))) {
pci_using_dac = 1;
} else {
- err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+ err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
if (err) {
- err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
+ err = dma_set_coherent_mask(&pdev->dev,
+ DMA_BIT_MASK(32));
if (err) {
- E1000_ERR("No usable DMA configuration, "
- "aborting\n");
+ pr_err("No usable DMA config, aborting\n");
goto err_dma;
}
}
@@ -922,7 +925,7 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
/* initialize eeprom parameters */
if (e1000_init_eeprom_params(hw)) {
- E1000_ERR("EEPROM initialization failed\n");
+ e_err("EEPROM initialization failed\n");
goto err_eeprom;
}
@@ -933,7 +936,7 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
/* make sure the EEPROM is good */
if (e1000_validate_eeprom_checksum(hw) < 0) {
- DPRINTK(PROBE, ERR, "The EEPROM Checksum Is Not Valid\n");
+ e_err("The EEPROM Checksum Is Not Valid\n");
e1000_dump_eeprom(adapter);
/*
* set MAC address to all zeroes to invalidate and temporary
@@ -947,14 +950,14 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
} else {
/* copy the MAC address out of the EEPROM */
if (e1000_read_mac_addr(hw))
- DPRINTK(PROBE, ERR, "EEPROM Read Error\n");
+ e_err("EEPROM Read Error\n");
}
/* don't block initalization here due to bad MAC address */
memcpy(netdev->dev_addr, hw->mac_addr, netdev->addr_len);
memcpy(netdev->perm_addr, hw->mac_addr, netdev->addr_len);
if (!is_valid_ether_addr(netdev->perm_addr))
- DPRINTK(PROBE, ERR, "Invalid MAC Address\n");
+ e_err("Invalid MAC Address\n");
e1000_get_bus_info(hw);
@@ -1035,8 +1038,16 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
adapter->wol = adapter->eeprom_wol;
device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
+ /* reset the hardware with the new settings */
+ e1000_reset(adapter);
+
+ strcpy(netdev->name, "eth%d");
+ err = register_netdev(netdev);
+ if (err)
+ goto err_register;
+
/* print bus type/speed/width info */
- DPRINTK(PROBE, INFO, "(PCI%s:%s:%s) ",
+ e_info("(PCI%s:%s:%s) ",
((hw->bus_type == e1000_bus_type_pcix) ? "-X" : ""),
((hw->bus_speed == e1000_bus_speed_133) ? "133MHz" :
(hw->bus_speed == e1000_bus_speed_120) ? "120MHz" :
@@ -1044,20 +1055,12 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
(hw->bus_speed == e1000_bus_speed_66) ? "66MHz" : "33MHz"),
((hw->bus_width == e1000_bus_width_64) ? "64-bit" : "32-bit"));
- printk("%pM\n", netdev->dev_addr);
-
- /* reset the hardware with the new settings */
- e1000_reset(adapter);
-
- strcpy(netdev->name, "eth%d");
- err = register_netdev(netdev);
- if (err)
- goto err_register;
+ e_info("%pM\n", netdev->dev_addr);
/* carrier off reporting is important to ethtool even BEFORE open */
netif_carrier_off(netdev);
- DPRINTK(PROBE, INFO, "Intel(R) PRO/1000 Network Connection\n");
+ e_info("Intel(R) PRO/1000 Network Connection\n");
cards_found++;
return 0;
@@ -1157,7 +1160,7 @@ static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
/* identify the MAC */
if (e1000_set_mac_type(hw)) {
- DPRINTK(PROBE, ERR, "Unknown MAC Type\n");
+ e_err("Unknown MAC Type\n");
return -EIO;
}
@@ -1190,7 +1193,7 @@ static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
adapter->num_rx_queues = 1;
if (e1000_alloc_queues(adapter)) {
- DPRINTK(PROBE, ERR, "Unable to allocate memory for queues\n");
+ e_err("Unable to allocate memory for queues\n");
return -ENOMEM;
}
@@ -1384,8 +1387,7 @@ static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
size = sizeof(struct e1000_buffer) * txdr->count;
txdr->buffer_info = vmalloc(size);
if (!txdr->buffer_info) {
- DPRINTK(PROBE, ERR,
- "Unable to allocate memory for the transmit descriptor ring\n");
+ e_err("Unable to allocate memory for the Tx descriptor ring\n");
return -ENOMEM;
}
memset(txdr->buffer_info, 0, size);
@@ -1395,12 +1397,12 @@ static int e1000_setup_tx_resources(struct e1000_adapter *adapter,
txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
txdr->size = ALIGN(txdr->size, 4096);
- txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
+ txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size, &txdr->dma,
+ GFP_KERNEL);
if (!txdr->desc) {
setup_tx_desc_die:
vfree(txdr->buffer_info);
- DPRINTK(PROBE, ERR,
- "Unable to allocate memory for the transmit descriptor ring\n");
+ e_err("Unable to allocate memory for the Tx descriptor ring\n");
return -ENOMEM;
}
@@ -1408,29 +1410,32 @@ setup_tx_desc_die:
if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
void *olddesc = txdr->desc;
dma_addr_t olddma = txdr->dma;
- DPRINTK(TX_ERR, ERR, "txdr align check failed: %u bytes "
- "at %p\n", txdr->size, txdr->desc);
+ e_err("txdr align check failed: %u bytes at %p\n",
+ txdr->size, txdr->desc);
/* Try again, without freeing the previous */
- txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
+ txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size,
+ &txdr->dma, GFP_KERNEL);
/* Failed allocation, critical failure */
if (!txdr->desc) {
- pci_free_consistent(pdev, txdr->size, olddesc, olddma);
+ dma_free_coherent(&pdev->dev, txdr->size, olddesc,
+ olddma);
goto setup_tx_desc_die;
}
if (!e1000_check_64k_bound(adapter, txdr->desc, txdr->size)) {
/* give up */
- pci_free_consistent(pdev, txdr->size, txdr->desc,
- txdr->dma);
- pci_free_consistent(pdev, txdr->size, olddesc, olddma);
- DPRINTK(PROBE, ERR,
- "Unable to allocate aligned memory "
- "for the transmit descriptor ring\n");
+ dma_free_coherent(&pdev->dev, txdr->size, txdr->desc,
+ txdr->dma);
+ dma_free_coherent(&pdev->dev, txdr->size, olddesc,
+ olddma);
+ e_err("Unable to allocate aligned memory "
+ "for the transmit descriptor ring\n");
vfree(txdr->buffer_info);
return -ENOMEM;
} else {
/* Free old allocation, new allocation was successful */
- pci_free_consistent(pdev, txdr->size, olddesc, olddma);
+ dma_free_coherent(&pdev->dev, txdr->size, olddesc,
+ olddma);
}
}
memset(txdr->desc, 0, txdr->size);
@@ -1456,8 +1461,7 @@ int e1000_setup_all_tx_resources(struct e1000_adapter *adapter)
for (i = 0; i < adapter->num_tx_queues; i++) {
err = e1000_setup_tx_resources(adapter, &adapter->tx_ring[i]);
if (err) {
- DPRINTK(PROBE, ERR,
- "Allocation for Tx Queue %u failed\n", i);
+ e_err("Allocation for Tx Queue %u failed\n", i);
for (i-- ; i >= 0; i--)
e1000_free_tx_resources(adapter,
&adapter->tx_ring[i]);
@@ -1577,8 +1581,7 @@ static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
size = sizeof(struct e1000_buffer) * rxdr->count;
rxdr->buffer_info = vmalloc(size);
if (!rxdr->buffer_info) {
- DPRINTK(PROBE, ERR,
- "Unable to allocate memory for the receive descriptor ring\n");
+ e_err("Unable to allocate memory for the Rx descriptor ring\n");
return -ENOMEM;
}
memset(rxdr->buffer_info, 0, size);
@@ -1590,11 +1593,11 @@ static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
rxdr->size = rxdr->count * desc_len;
rxdr->size = ALIGN(rxdr->size, 4096);
- rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
+ rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
+ GFP_KERNEL);
if (!rxdr->desc) {
- DPRINTK(PROBE, ERR,
- "Unable to allocate memory for the receive descriptor ring\n");
+ e_err("Unable to allocate memory for the Rx descriptor ring\n");
setup_rx_desc_die:
vfree(rxdr->buffer_info);
return -ENOMEM;
@@ -1604,31 +1607,33 @@ setup_rx_desc_die:
if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
void *olddesc = rxdr->desc;
dma_addr_t olddma = rxdr->dma;
- DPRINTK(RX_ERR, ERR, "rxdr align check failed: %u bytes "
- "at %p\n", rxdr->size, rxdr->desc);
+ e_err("rxdr align check failed: %u bytes at %p\n",
+ rxdr->size, rxdr->desc);
/* Try again, without freeing the previous */
- rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
+ rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size,
+ &rxdr->dma, GFP_KERNEL);
/* Failed allocation, critical failure */
if (!rxdr->desc) {
- pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
- DPRINTK(PROBE, ERR,
- "Unable to allocate memory "
- "for the receive descriptor ring\n");
+ dma_free_coherent(&pdev->dev, rxdr->size, olddesc,
+ olddma);
+ e_err("Unable to allocate memory for the Rx descriptor "
+ "ring\n");
goto setup_rx_desc_die;
}
if (!e1000_check_64k_bound(adapter, rxdr->desc, rxdr->size)) {
/* give up */
- pci_free_consistent(pdev, rxdr->size, rxdr->desc,
- rxdr->dma);
- pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
- DPRINTK(PROBE, ERR,
- "Unable to allocate aligned memory "
- "for the receive descriptor ring\n");
+ dma_free_coherent(&pdev->dev, rxdr->size, rxdr->desc,
+ rxdr->dma);
+ dma_free_coherent(&pdev->dev, rxdr->size, olddesc,
+ olddma);
+ e_err("Unable to allocate aligned memory for the Rx "
+ "descriptor ring\n");
goto setup_rx_desc_die;
} else {
/* Free old allocation, new allocation was successful */
- pci_free_consistent(pdev, rxdr->size, olddesc, olddma);
+ dma_free_coherent(&pdev->dev, rxdr->size, olddesc,
+ olddma);
}
}
memset(rxdr->desc, 0, rxdr->size);
@@ -1655,8 +1660,7 @@ int e1000_setup_all_rx_resources(struct e1000_adapter *adapter)
for (i = 0; i < adapter->num_rx_queues; i++) {
err = e1000_setup_rx_resources(adapter, &adapter->rx_ring[i]);
if (err) {
- DPRINTK(PROBE, ERR,
- "Allocation for Rx Queue %u failed\n", i);
+ e_err("Allocation for Rx Queue %u failed\n", i);
for (i-- ; i >= 0; i--)
e1000_free_rx_resources(adapter,
&adapter->rx_ring[i]);
@@ -1804,7 +1808,8 @@ static void e1000_free_tx_resources(struct e1000_adapter *adapter,
vfree(tx_ring->buffer_info);
tx_ring->buffer_info = NULL;
- pci_free_consistent(pdev, tx_ring->size, tx_ring->desc, tx_ring->dma);
+ dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
+ tx_ring->dma);
tx_ring->desc = NULL;
}
@@ -1829,12 +1834,12 @@ static void e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter,
{
if (buffer_info->dma) {
if (buffer_info->mapped_as_page)
- pci_unmap_page(adapter->pdev, buffer_info->dma,
- buffer_info->length, PCI_DMA_TODEVICE);
+ dma_unmap_page(&adapter->pdev->dev, buffer_info->dma,
+ buffer_info->length, DMA_TO_DEVICE);
else
- pci_unmap_single(adapter->pdev, buffer_info->dma,
+ dma_unmap_single(&adapter->pdev->dev, buffer_info->dma,
buffer_info->length,
- PCI_DMA_TODEVICE);
+ DMA_TO_DEVICE);
buffer_info->dma = 0;
}
if (buffer_info->skb) {
@@ -1912,7 +1917,8 @@ static void e1000_free_rx_resources(struct e1000_adapter *adapter,
vfree(rx_ring->buffer_info);
rx_ring->buffer_info = NULL;
- pci_free_consistent(pdev, rx_ring->size, rx_ring->desc, rx_ring->dma);
+ dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
+ rx_ring->dma);
rx_ring->desc = NULL;
}
@@ -1952,14 +1958,14 @@ static void e1000_clean_rx_ring(struct e1000_adapter *adapter,
buffer_info = &rx_ring->buffer_info[i];
if (buffer_info->dma &&
adapter->clean_rx == e1000_clean_rx_irq) {
- pci_unmap_single(pdev, buffer_info->dma,
+ dma_unmap_single(&pdev->dev, buffer_info->dma,
buffer_info->length,
- PCI_DMA_FROMDEVICE);
+ DMA_FROM_DEVICE);
} else if (buffer_info->dma &&
adapter->clean_rx == e1000_clean_jumbo_rx_irq) {
- pci_unmap_page(pdev, buffer_info->dma,
- buffer_info->length,
- PCI_DMA_FROMDEVICE);
+ dma_unmap_page(&pdev->dev, buffer_info->dma,
+ buffer_info->length,
+ DMA_FROM_DEVICE);
}
buffer_info->dma = 0;
@@ -2098,7 +2104,6 @@ static void e1000_set_rx_mode(struct net_device *netdev)
struct e1000_hw *hw = &adapter->hw;
struct netdev_hw_addr *ha;
bool use_uc = false;
- struct dev_addr_list *mc_ptr;
u32 rctl;
u32 hash_value;
int i, rar_entries = E1000_RAR_ENTRIES;
@@ -2106,7 +2111,7 @@ static void e1000_set_rx_mode(struct net_device *netdev)
u32 *mcarray = kcalloc(mta_reg_count, sizeof(u32), GFP_ATOMIC);
if (!mcarray) {
- DPRINTK(PROBE, ERR, "memory allocation failed\n");
+ e_err("memory allocation failed\n");
return;
}
@@ -2156,19 +2161,17 @@ static void e1000_set_rx_mode(struct net_device *netdev)
e1000_rar_set(hw, ha->addr, i++);
}
- WARN_ON(i == rar_entries);
-
- netdev_for_each_mc_addr(mc_ptr, netdev) {
+ netdev_for_each_mc_addr(ha, netdev) {
if (i == rar_entries) {
/* load any remaining addresses into the hash table */
u32 hash_reg, hash_bit, mta;
- hash_value = e1000_hash_mc_addr(hw, mc_ptr->da_addr);
+ hash_value = e1000_hash_mc_addr(hw, ha->addr);
hash_reg = (hash_value >> 5) & 0x7F;
hash_bit = hash_value & 0x1F;
mta = (1 << hash_bit);
mcarray[hash_reg] |= mta;
} else {
- e1000_rar_set(hw, mc_ptr->da_addr, i++);
+ e1000_rar_set(hw, ha->addr, i++);
}
}
@@ -2302,16 +2305,16 @@ static void e1000_watchdog(unsigned long data)
&adapter->link_duplex);
ctrl = er32(CTRL);
- printk(KERN_INFO "e1000: %s NIC Link is Up %d Mbps %s, "
- "Flow Control: %s\n",
- netdev->name,
- adapter->link_speed,
- adapter->link_duplex == FULL_DUPLEX ?
- "Full Duplex" : "Half Duplex",
- ((ctrl & E1000_CTRL_TFCE) && (ctrl &
- E1000_CTRL_RFCE)) ? "RX/TX" : ((ctrl &
- E1000_CTRL_RFCE) ? "RX" : ((ctrl &
- E1000_CTRL_TFCE) ? "TX" : "None" )));
+ pr_info("%s NIC Link is Up %d Mbps %s, "
+ "Flow Control: %s\n",
+ netdev->name,
+ adapter->link_speed,
+ adapter->link_duplex == FULL_DUPLEX ?
+ "Full Duplex" : "Half Duplex",
+ ((ctrl & E1000_CTRL_TFCE) && (ctrl &
+ E1000_CTRL_RFCE)) ? "RX/TX" : ((ctrl &
+ E1000_CTRL_RFCE) ? "RX" : ((ctrl &
+ E1000_CTRL_TFCE) ? "TX" : "None")));
/* adjust timeout factor according to speed/duplex */
adapter->tx_timeout_factor = 1;
@@ -2341,8 +2344,8 @@ static void e1000_watchdog(unsigned long data)
if (netif_carrier_ok(netdev)) {
adapter->link_speed = 0;
adapter->link_duplex = 0;
- printk(KERN_INFO "e1000: %s NIC Link is Down\n",
- netdev->name);
+ pr_info("%s NIC Link is Down\n",
+ netdev->name);
netif_carrier_off(netdev);
if (!test_bit(__E1000_DOWN, &adapter->flags))
@@ -2381,6 +2384,22 @@ link_up:
}
}
+ /* Simple mode for Interrupt Throttle Rate (ITR) */
+ if (hw->mac_type >= e1000_82540 && adapter->itr_setting == 4) {
+ /*
+ * Symmetric Tx/Rx gets a reduced ITR=2000;
+ * Total asymmetrical Tx or Rx gets ITR=8000;
+ * everyone else is between 2000-8000.
+ */
+ u32 goc = (adapter->gotcl + adapter->gorcl) / 10000;
+ u32 dif = (adapter->gotcl > adapter->gorcl ?
+ adapter->gotcl - adapter->gorcl :
+ adapter->gorcl - adapter->gotcl) / 10000;
+ u32 itr = goc > 0 ? (dif * 6000 / goc + 2000) : 8000;
+
+ ew32(ITR, 1000000000 / (itr * 256));
+ }
+
/* Cause software interrupt to ensure rx ring is cleaned */
ew32(ICS, E1000_ICS_RXDMT0);
@@ -2525,8 +2544,6 @@ set_itr_now:
adapter->itr = new_itr;
ew32(ITR, 1000000000 / (new_itr * 256));
}
-
- return;
}
#define E1000_TX_FLAGS_CSUM 0x00000001
@@ -2632,8 +2649,7 @@ static bool e1000_tx_csum(struct e1000_adapter *adapter,
break;
default:
if (unlikely(net_ratelimit()))
- DPRINTK(DRV, WARNING,
- "checksum_partial proto=%x!\n", skb->protocol);
+ e_warn("checksum_partial proto=%x!\n", skb->protocol);
break;
}
@@ -2715,9 +2731,10 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
/* set time_stamp *before* dma to help avoid a possible race */
buffer_info->time_stamp = jiffies;
buffer_info->mapped_as_page = false;
- buffer_info->dma = pci_map_single(pdev, skb->data + offset,
- size, PCI_DMA_TODEVICE);
- if (pci_dma_mapping_error(pdev, buffer_info->dma))
+ buffer_info->dma = dma_map_single(&pdev->dev,
+ skb->data + offset,
+ size, DMA_TO_DEVICE);
+ if (dma_mapping_error(&pdev->dev, buffer_info->dma))
goto dma_error;
buffer_info->next_to_watch = i;
@@ -2761,10 +2778,10 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
buffer_info->length = size;
buffer_info->time_stamp = jiffies;
buffer_info->mapped_as_page = true;
- buffer_info->dma = pci_map_page(pdev, frag->page,
+ buffer_info->dma = dma_map_page(&pdev->dev, frag->page,
offset, size,
- PCI_DMA_TODEVICE);
- if (pci_dma_mapping_error(pdev, buffer_info->dma))
+ DMA_TO_DEVICE);
+ if (dma_mapping_error(&pdev->dev, buffer_info->dma))
goto dma_error;
buffer_info->next_to_watch = i;
@@ -2930,7 +2947,7 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
unsigned int first, max_per_txd = E1000_MAX_DATA_PER_TXD;
unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
unsigned int tx_flags = 0;
- unsigned int len = skb->len - skb->data_len;
+ unsigned int len = skb_headlen(skb);
unsigned int nr_frags;
unsigned int mss;
int count = 0;
@@ -2976,12 +2993,11 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
/* fall through */
pull_size = min((unsigned int)4, skb->data_len);
if (!__pskb_pull_tail(skb, pull_size)) {
- DPRINTK(DRV, ERR,
- "__pskb_pull_tail failed.\n");
+ e_err("__pskb_pull_tail failed.\n");
dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
}
- len = skb->len - skb->data_len;
+ len = skb_headlen(skb);
break;
default:
/* do nothing */
@@ -3125,7 +3141,7 @@ static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) ||
(max_frame > MAX_JUMBO_FRAME_SIZE)) {
- DPRINTK(PROBE, ERR, "Invalid MTU setting\n");
+ e_err("Invalid MTU setting\n");
return -EINVAL;
}
@@ -3133,7 +3149,7 @@ static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
switch (hw->mac_type) {
case e1000_undefined ... e1000_82542_rev2_1:
if (max_frame > (ETH_FRAME_LEN + ETH_FCS_LEN)) {
- DPRINTK(PROBE, ERR, "Jumbo Frames not supported.\n");
+ e_err("Jumbo Frames not supported.\n");
return -EINVAL;
}
break;
@@ -3171,8 +3187,8 @@ static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
(max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)))
adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
- printk(KERN_INFO "e1000: %s changing MTU from %d to %d\n",
- netdev->name, netdev->mtu, new_mtu);
+ pr_info("%s changing MTU from %d to %d\n",
+ netdev->name, netdev->mtu, new_mtu);
netdev->mtu = new_mtu;
if (netif_running(netdev))
@@ -3485,17 +3501,17 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
!(er32(STATUS) & E1000_STATUS_TXOFF)) {
/* detected Tx unit hang */
- DPRINTK(DRV, ERR, "Detected Tx Unit Hang\n"
- " Tx Queue <%lu>\n"
- " TDH <%x>\n"
- " TDT <%x>\n"
- " next_to_use <%x>\n"
- " next_to_clean <%x>\n"
- "buffer_info[next_to_clean]\n"
- " time_stamp <%lx>\n"
- " next_to_watch <%x>\n"
- " jiffies <%lx>\n"
- " next_to_watch.status <%x>\n",
+ e_err("Detected Tx Unit Hang\n"
+ " Tx Queue <%lu>\n"
+ " TDH <%x>\n"
+ " TDT <%x>\n"
+ " next_to_use <%x>\n"
+ " next_to_clean <%x>\n"
+ "buffer_info[next_to_clean]\n"
+ " time_stamp <%lx>\n"
+ " next_to_watch <%x>\n"
+ " jiffies <%lx>\n"
+ " next_to_watch.status <%x>\n",
(unsigned long)((tx_ring - adapter->tx_ring) /
sizeof(struct e1000_tx_ring)),
readl(hw->hw_addr + tx_ring->tdh),
@@ -3635,8 +3651,8 @@ static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
cleaned = true;
cleaned_count++;
- pci_unmap_page(pdev, buffer_info->dma, buffer_info->length,
- PCI_DMA_FROMDEVICE);
+ dma_unmap_page(&pdev->dev, buffer_info->dma,
+ buffer_info->length, DMA_FROM_DEVICE);
buffer_info->dma = 0;
length = le16_to_cpu(rx_desc->length);
@@ -3734,7 +3750,7 @@ static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
/* eth type trans needs skb->data to point to something */
if (!pskb_may_pull(skb, ETH_HLEN)) {
- DPRINTK(DRV, ERR, "pskb_may_pull failed.\n");
+ e_err("pskb_may_pull failed.\n");
dev_kfree_skb(skb);
goto next_desc;
}
@@ -3769,6 +3785,31 @@ next_desc:
return cleaned;
}
+/*
+ * this should improve performance for small packets with large amounts
+ * of reassembly being done in the stack
+ */
+static void e1000_check_copybreak(struct net_device *netdev,
+ struct e1000_buffer *buffer_info,
+ u32 length, struct sk_buff **skb)
+{
+ struct sk_buff *new_skb;
+
+ if (length > copybreak)
+ return;
+
+ new_skb = netdev_alloc_skb_ip_align(netdev, length);
+ if (!new_skb)
+ return;
+
+ skb_copy_to_linear_data_offset(new_skb, -NET_IP_ALIGN,
+ (*skb)->data - NET_IP_ALIGN,
+ length + NET_IP_ALIGN);
+ /* save the skb in buffer_info as good */
+ buffer_info->skb = *skb;
+ *skb = new_skb;
+}
+
/**
* e1000_clean_rx_irq - Send received data up the network stack; legacy
* @adapter: board private structure
@@ -3818,8 +3859,8 @@ static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
cleaned = true;
cleaned_count++;
- pci_unmap_single(pdev, buffer_info->dma, buffer_info->length,
- PCI_DMA_FROMDEVICE);
+ dma_unmap_single(&pdev->dev, buffer_info->dma,
+ buffer_info->length, DMA_FROM_DEVICE);
buffer_info->dma = 0;
length = le16_to_cpu(rx_desc->length);
@@ -3834,8 +3875,7 @@ static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
if (adapter->discarding) {
/* All receives must fit into a single buffer */
- E1000_DBG("%s: Receive packet consumed multiple"
- " buffers\n", netdev->name);
+ e_info("Receive packet consumed multiple buffers\n");
/* recycle */
buffer_info->skb = skb;
if (status & E1000_RXD_STAT_EOP)
@@ -3868,26 +3908,8 @@ static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
total_rx_bytes += length;
total_rx_packets++;
- /* code added for copybreak, this should improve
- * performance for small packets with large amounts
- * of reassembly being done in the stack */
- if (length < copybreak) {
- struct sk_buff *new_skb =
- netdev_alloc_skb_ip_align(netdev, length);
- if (new_skb) {
- skb_copy_to_linear_data_offset(new_skb,
- -NET_IP_ALIGN,
- (skb->data -
- NET_IP_ALIGN),
- (length +
- NET_IP_ALIGN));
- /* save the skb in buffer_info as good */
- buffer_info->skb = skb;
- skb = new_skb;
- }
- /* else just continue with the old one */
- }
- /* end copybreak code */
+ e1000_check_copybreak(netdev, buffer_info, length, &skb);
+
skb_put(skb, length);
/* Receive Checksum Offload */
@@ -3965,8 +3987,8 @@ e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
/* Fix for errata 23, can't cross 64kB boundary */
if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
struct sk_buff *oldskb = skb;
- DPRINTK(PROBE, ERR, "skb align check failed: %u bytes "
- "at %p\n", bufsz, skb->data);
+ e_err("skb align check failed: %u bytes at %p\n",
+ bufsz, skb->data);
/* Try again, without freeing the previous */
skb = netdev_alloc_skb_ip_align(netdev, bufsz);
/* Failed allocation, critical failure */
@@ -3999,11 +4021,11 @@ check_page:
}
if (!buffer_info->dma) {
- buffer_info->dma = pci_map_page(pdev,
+ buffer_info->dma = dma_map_page(&pdev->dev,
buffer_info->page, 0,
- buffer_info->length,
- PCI_DMA_FROMDEVICE);
- if (pci_dma_mapping_error(pdev, buffer_info->dma)) {
+ buffer_info->length,
+ DMA_FROM_DEVICE);
+ if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
put_page(buffer_info->page);
dev_kfree_skb(skb);
buffer_info->page = NULL;
@@ -4074,8 +4096,8 @@ static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
/* Fix for errata 23, can't cross 64kB boundary */
if (!e1000_check_64k_bound(adapter, skb->data, bufsz)) {
struct sk_buff *oldskb = skb;
- DPRINTK(RX_ERR, ERR, "skb align check failed: %u bytes "
- "at %p\n", bufsz, skb->data);
+ e_err("skb align check failed: %u bytes at %p\n",
+ bufsz, skb->data);
/* Try again, without freeing the previous */
skb = netdev_alloc_skb_ip_align(netdev, bufsz);
/* Failed allocation, critical failure */
@@ -4099,11 +4121,11 @@ static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
buffer_info->skb = skb;
buffer_info->length = adapter->rx_buffer_len;
map_skb:
- buffer_info->dma = pci_map_single(pdev,
+ buffer_info->dma = dma_map_single(&pdev->dev,
skb->data,
buffer_info->length,
- PCI_DMA_FROMDEVICE);
- if (pci_dma_mapping_error(pdev, buffer_info->dma)) {
+ DMA_FROM_DEVICE);
+ if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
dev_kfree_skb(skb);
buffer_info->skb = NULL;
buffer_info->dma = 0;
@@ -4120,16 +4142,15 @@ map_skb:
if (!e1000_check_64k_bound(adapter,
(void *)(unsigned long)buffer_info->dma,
adapter->rx_buffer_len)) {
- DPRINTK(RX_ERR, ERR,
- "dma align check failed: %u bytes at %p\n",
- adapter->rx_buffer_len,
- (void *)(unsigned long)buffer_info->dma);
+ e_err("dma align check failed: %u bytes at %p\n",
+ adapter->rx_buffer_len,
+ (void *)(unsigned long)buffer_info->dma);
dev_kfree_skb(skb);
buffer_info->skb = NULL;
- pci_unmap_single(pdev, buffer_info->dma,
+ dma_unmap_single(&pdev->dev, buffer_info->dma,
adapter->rx_buffer_len,
- PCI_DMA_FROMDEVICE);
+ DMA_FROM_DEVICE);
buffer_info->dma = 0;
adapter->alloc_rx_buff_failed++;
@@ -4335,7 +4356,7 @@ void e1000_pci_set_mwi(struct e1000_hw *hw)
int ret_val = pci_set_mwi(adapter->pdev);
if (ret_val)
- DPRINTK(PROBE, ERR, "Error in setting MWI\n");
+ e_err("Error in setting MWI\n");
}
void e1000_pci_clear_mwi(struct e1000_hw *hw)
@@ -4466,7 +4487,7 @@ int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
/* Fiber NICs only allow 1000 gbps Full duplex */
if ((hw->media_type == e1000_media_type_fiber) &&
spddplx != (SPEED_1000 + DUPLEX_FULL)) {
- DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
+ e_err("Unsupported Speed/Duplex configuration\n");
return -EINVAL;
}
@@ -4489,7 +4510,7 @@ int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
break;
case SPEED_1000 + DUPLEX_HALF: /* not supported */
default:
- DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n");
+ e_err("Unsupported Speed/Duplex configuration\n");
return -EINVAL;
}
return 0;
@@ -4612,7 +4633,7 @@ static int e1000_resume(struct pci_dev *pdev)
else
err = pci_enable_device_mem(pdev);
if (err) {
- printk(KERN_ERR "e1000: Cannot enable PCI device from suspend\n");
+ pr_err("Cannot enable PCI device from suspend\n");
return err;
}
pci_set_master(pdev);
@@ -4715,7 +4736,7 @@ static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
else
err = pci_enable_device_mem(pdev);
if (err) {
- printk(KERN_ERR "e1000: Cannot re-enable PCI device after reset.\n");
+ pr_err("Cannot re-enable PCI device after reset.\n");
return PCI_ERS_RESULT_DISCONNECT;
}
pci_set_master(pdev);
@@ -4746,7 +4767,7 @@ static void e1000_io_resume(struct pci_dev *pdev)
if (netif_running(netdev)) {
if (e1000_up(adapter)) {
- printk("e1000: can't bring device back up after reset\n");
+ pr_info("can't bring device back up after reset\n");
return;
}
}