* - More errlogging support from Jon Mason <jonmason@us.ibm.com>
* - Fix TSO issues on PPC64 machines -- Jon Mason <jonmason@us.ibm.com>
*
- * 5.3.11 6/4/04
- * - ethtool register dump reads MANC register conditionally.
- *
- * 5.3.10 6/1/04
+ * 5.6.5 11/01/04
+ * - Enabling NETIF_F_SG without checksum offload is illegal -
+ John Mason <jdmason@us.ibm.com>
+ * 5.6.3 10/26/04
+ * - Remove redundant initialization - Jamal Hadi
+ * - Reset buffer_info->dma in tx resource cleanup logic
+ * 5.6.2 10/12/04
+ * - Avoid filling tx_ring completely - shemminger@osdl.org
+ * - Replace schedule_timeout() with msleep()/msleep_interruptible() -
+ * nacc@us.ibm.com
+ * - Sparse cleanup - shemminger@osdl.org
+ * - Fix tx resource cleanup logic
+ * - LLTX support - ak@suse.de and hadi@cyberus.ca
*/
char e1000_driver_name[] = "e1000";
#else
#define DRIVERNAPI "-NAPI"
#endif
-char e1000_driver_version[] = "5.3.19-k2"DRIVERNAPI;
+char e1000_driver_version[] = "5.6.10.1-k2"DRIVERNAPI;
char e1000_copyright[] = "Copyright (c) 1999-2004 Intel Corporation.";
/* e1000_pci_tbl - PCI Device ID Table
INTEL_E1000_ETHERNET_DEVICE(0x107A),
INTEL_E1000_ETHERNET_DEVICE(0x107B),
INTEL_E1000_ETHERNET_DEVICE(0x107C),
+ INTEL_E1000_ETHERNET_DEVICE(0x108A),
/* required last entry */
{0,}
};
static struct net_device_stats * e1000_get_stats(struct net_device *netdev);
static int e1000_change_mtu(struct net_device *netdev, int new_mtu);
static int e1000_set_mac(struct net_device *netdev, void *p);
-static void e1000_irq_disable(struct e1000_adapter *adapter);
-static void e1000_irq_enable(struct e1000_adapter *adapter);
static irqreturn_t e1000_intr(int irq, void *data, struct pt_regs *regs);
static boolean_t e1000_clean_tx_irq(struct e1000_adapter *adapter);
#ifdef CONFIG_E1000_NAPI
static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);
static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,
int cmd);
-void set_ethtool_ops(struct net_device *netdev);
+void e1000_set_ethtool_ops(struct net_device *netdev);
static void e1000_enter_82542_rst(struct e1000_adapter *adapter);
static void e1000_leave_82542_rst(struct e1000_adapter *adapter);
-static void e1000_rx_checksum(struct e1000_adapter *adapter,
- struct e1000_rx_desc *rx_desc,
- struct sk_buff *skb);
static void e1000_tx_timeout(struct net_device *dev);
static void e1000_tx_timeout_task(struct net_device *dev);
static void e1000_smartspeed(struct e1000_adapter *adapter);
module_exit(e1000_exit_module);
+/**
+ * e1000_irq_disable - Mask off interrupt generation on the NIC
+ * @adapter: board private structure
+ **/
+
+static inline void
+e1000_irq_disable(struct e1000_adapter *adapter)
+{
+ atomic_inc(&adapter->irq_sem);
+ E1000_WRITE_REG(&adapter->hw, IMC, ~0);
+ E1000_WRITE_FLUSH(&adapter->hw);
+ synchronize_irq(adapter->pdev->irq);
+}
+
+/**
+ * e1000_irq_enable - Enable default interrupt generation settings
+ * @adapter: board private structure
+ **/
+
+static inline void
+e1000_irq_enable(struct e1000_adapter *adapter)
+{
+ if(likely(atomic_dec_and_test(&adapter->irq_sem))) {
+ E1000_WRITE_REG(&adapter->hw, IMS, IMS_ENABLE_MASK);
+ E1000_WRITE_FLUSH(&adapter->hw);
+ }
+}
int
e1000_up(struct e1000_adapter *adapter)
void
e1000_reset(struct e1000_adapter *adapter)
{
- uint32_t pba, manc;
+ uint32_t pba;
+
/* Repartition Pba for greater than 9k mtu
* To take effect CTRL.RST is required.
*/
e1000_reset_adaptive(&adapter->hw);
e1000_phy_get_info(&adapter->hw, &adapter->phy_info);
-
- if(adapter->en_mng_pt) {
- manc = E1000_READ_REG(&adapter->hw, MANC);
- manc |= (E1000_MANC_ARP_EN | E1000_MANC_EN_MNG2HOST);
- E1000_WRITE_REG(&adapter->hw, MANC, manc);
- }
}
/**
adapter->hw.back = adapter;
adapter->msg_enable = (1 << debug) - 1;
- rtnl_lock();
- /* we need to set the name early for the DPRINTK macro */
- if(dev_alloc_name(netdev, netdev->name) < 0)
- goto err_free_unlock;
-
mmio_start = pci_resource_start(pdev, BAR_0);
mmio_len = pci_resource_len(pdev, BAR_0);
netdev->set_mac_address = &e1000_set_mac;
netdev->change_mtu = &e1000_change_mtu;
netdev->do_ioctl = &e1000_ioctl;
- set_ethtool_ops(netdev);
+ e1000_set_ethtool_ops(netdev);
netdev->tx_timeout = &e1000_tx_timeout;
netdev->watchdog_timeo = 5 * HZ;
#ifdef CONFIG_E1000_NAPI
#ifdef CONFIG_NET_POLL_CONTROLLER
netdev->poll_controller = e1000_netpoll;
#endif
+ strcpy(netdev->name, pci_name(pdev));
netdev->mem_start = mmio_start;
netdev->mem_end = mmio_start + mmio_len;
NETIF_F_HW_VLAN_TX |
NETIF_F_HW_VLAN_RX |
NETIF_F_HW_VLAN_FILTER;
- } else {
- netdev->features = NETIF_F_SG;
}
#ifdef NETIF_F_TSO
/* hard_start_xmit is safe against parallel locking */
netdev->features |= NETIF_F_LLTX;
- adapter->en_mng_pt = e1000_enable_mng_pass_thru(&adapter->hw);
-
/* before reading the EEPROM, reset the controller to
* put the device in a known good starting state */
netif_carrier_off(netdev);
netif_stop_queue(netdev);
- DPRINTK(PROBE, INFO, "Intel(R) PRO/1000 Network Connection\n");
e1000_check_options(adapter);
/* Initial Wake on LAN setting
/* reset the hardware with the new settings */
e1000_reset(adapter);
- /* We're already holding the rtnl lock; call the no-lock version */
- if((err = register_netdevice(netdev)))
+ strcpy(netdev->name, "eth%d");
+ if((err = register_netdev(netdev)))
goto err_register;
+ DPRINTK(PROBE, INFO, "Intel(R) PRO/1000 Network Connection\n");
+
cards_found++;
- rtnl_unlock();
return 0;
err_register:
err_eeprom:
iounmap(adapter->hw.hw_addr);
err_ioremap:
-err_free_unlock:
- rtnl_unlock();
free_netdev(netdev);
err_alloc_etherdev:
pci_release_regions(pdev);
pci_release_regions(pdev);
free_netdev(netdev);
+
+ pci_disable_device(pdev);
}
/**
adapter->tx_ring.desc = NULL;
}
+static inline void
+e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter,
+ struct e1000_buffer *buffer_info)
+{
+ struct pci_dev *pdev = adapter->pdev;
+ if(buffer_info->dma) {
+ pci_unmap_page(pdev,
+ buffer_info->dma,
+ buffer_info->length,
+ PCI_DMA_TODEVICE);
+ buffer_info->dma = 0;
+ }
+ if(buffer_info->skb) {
+ dev_kfree_skb_any(buffer_info->skb);
+ buffer_info->skb = NULL;
+ }
+}
+
/**
* e1000_clean_tx_ring - Free Tx Buffers
* @adapter: board private structure
{
struct e1000_desc_ring *tx_ring = &adapter->tx_ring;
struct e1000_buffer *buffer_info;
- struct pci_dev *pdev = adapter->pdev;
unsigned long size;
unsigned int i;
for(i = 0; i < tx_ring->count; i++) {
buffer_info = &tx_ring->buffer_info[i];
- if(buffer_info->skb) {
-
- pci_unmap_page(pdev,
- buffer_info->dma,
- buffer_info->length,
- PCI_DMA_TODEVICE);
-
- dev_kfree_skb(buffer_info->skb);
-
- buffer_info->skb = NULL;
- }
+ e1000_unmap_and_free_tx_resource(adapter, buffer_info);
}
size = sizeof(struct e1000_buffer) * tx_ring->count;
unsigned int mss = 0;
int count = 0;
unsigned int f;
- nr_frags = skb_shinfo(skb)->nr_frags;
len -= skb->data_len;
if(unlikely(skb->len <= 0)) {
/* need: count + 2 desc gap to keep tail from touching
* head, otherwise try next time */
- if(E1000_DESC_UNUSED(&adapter->tx_ring) < count + 2) {
+ if(unlikely(E1000_DESC_UNUSED(&adapter->tx_ring) < count + 2)) {
netif_stop_queue(netdev);
spin_unlock_irqrestore(&adapter->tx_lock, flags);
return NETDEV_TX_BUSY;
netdev->trans_start = jiffies;
+ /* Make sure there is space in the ring for the next send. */
+ if(unlikely(E1000_DESC_UNUSED(&adapter->tx_ring) < MAX_SKB_FRAGS + 2))
+ netif_stop_queue(netdev);
+
spin_unlock_irqrestore(&adapter->tx_lock, flags);
return NETDEV_TX_OK;
}
int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
if((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) ||
- (max_frame > MAX_JUMBO_FRAME_SIZE)) {
- DPRINTK(PROBE, ERR, "Invalid MTU setting\n");
- return -EINVAL;
+ (max_frame > MAX_JUMBO_FRAME_SIZE)) {
+ DPRINTK(PROBE, ERR, "Invalid MTU setting\n");
+ return -EINVAL;
}
if(max_frame <= MAXIMUM_ETHERNET_FRAME_SIZE) {
spin_unlock_irqrestore(&adapter->stats_lock, flags);
}
-/**
- * e1000_irq_disable - Mask off interrupt generation on the NIC
- * @adapter: board private structure
- **/
-
-static void
-e1000_irq_disable(struct e1000_adapter *adapter)
-{
- atomic_inc(&adapter->irq_sem);
- E1000_WRITE_REG(&adapter->hw, IMC, ~0);
- E1000_WRITE_FLUSH(&adapter->hw);
- synchronize_irq(adapter->pdev->irq);
-}
-
-/**
- * e1000_irq_enable - Enable default interrupt generation settings
- * @adapter: board private structure
- **/
-
-static void
-e1000_irq_enable(struct e1000_adapter *adapter)
-{
- if(likely(atomic_dec_and_test(&adapter->irq_sem))) {
- E1000_WRITE_REG(&adapter->hw, IMS, IMS_ENABLE_MASK);
- E1000_WRITE_FLUSH(&adapter->hw);
- }
-}
-
/**
* e1000_intr - Interrupt Handler
* @irq: interrupt number
int tx_cleaned;
int work_done = 0;
+ if (!netif_carrier_ok(netdev))
+ goto quit_polling;
+
tx_cleaned = e1000_clean_tx_irq(adapter);
e1000_clean_rx_irq(adapter, &work_done, work_to_do);
/* if no Rx and Tx cleanup work was done, exit the polling mode */
if(!tx_cleaned || (work_done < work_to_do) ||
!netif_running(netdev)) {
- netif_rx_complete(netdev);
+quit_polling: netif_rx_complete(netdev);
e1000_irq_enable(adapter);
return 0;
}
{
struct e1000_desc_ring *tx_ring = &adapter->tx_ring;
struct net_device *netdev = adapter->netdev;
- struct pci_dev *pdev = adapter->pdev;
struct e1000_tx_desc *tx_desc, *eop_desc;
struct e1000_buffer *buffer_info;
unsigned int i, eop;
tx_desc = E1000_TX_DESC(*tx_ring, i);
buffer_info = &tx_ring->buffer_info[i];
- if(likely(buffer_info->dma)) {
- pci_unmap_page(pdev,
- buffer_info->dma,
- buffer_info->length,
- PCI_DMA_TODEVICE);
- buffer_info->dma = 0;
- }
-
- if(buffer_info->skb) {
- dev_kfree_skb_any(buffer_info->skb);
- buffer_info->skb = NULL;
- }
-
+ e1000_unmap_and_free_tx_resource(adapter, buffer_info);
tx_desc->buffer_addr = 0;
tx_desc->lower.data = 0;
tx_desc->upper.data = 0;
return cleaned;
}
+/**
+ * e1000_rx_checksum - Receive Checksum Offload for 82543
+ * @adapter: board private structure
+ * @rx_desc: receive descriptor
+ * @sk_buff: socket buffer with received data
+ **/
+
+static inline void
+e1000_rx_checksum(struct e1000_adapter *adapter,
+ struct e1000_rx_desc *rx_desc,
+ struct sk_buff *skb)
+{
+ /* 82543 or newer only */
+ if(unlikely((adapter->hw.mac_type < e1000_82543) ||
+ /* Ignore Checksum bit is set */
+ (rx_desc->status & E1000_RXD_STAT_IXSM) ||
+ /* TCP Checksum has not been calculated */
+ (!(rx_desc->status & E1000_RXD_STAT_TCPCS)))) {
+ skb->ip_summed = CHECKSUM_NONE;
+ return;
+ }
+
+ /* At this point we know the hardware did the TCP checksum */
+ /* now look at the TCP checksum error bit */
+ if(rx_desc->errors & E1000_RXD_ERR_TCPE) {
+ /* let the stack verify checksum errors */
+ skb->ip_summed = CHECKSUM_NONE;
+ adapter->hw_csum_err++;
+ } else {
+ /* TCP checksum is good */
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+ adapter->hw_csum_good++;
+ }
+}
+
/**
* e1000_clean_rx_irq - Send received data up the network stack
* @adapter: board private structure
if(unlikely(!(rx_desc->status & E1000_RXD_STAT_EOP))) {
/* All receives must fit into a single buffer */
E1000_DBG("%s: Receive packet consumed multiple"
- " buffers\n", netdev->name);
+ " buffers\n", netdev->name);
dev_kfree_skb_irq(skb);
goto next_desc;
}
if(unlikely(adapter->vlgrp &&
(rx_desc->status & E1000_RXD_STAT_VP))) {
vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
- le16_to_cpu(rx_desc->special &
- E1000_RXD_SPC_VLAN_MASK));
+ le16_to_cpu(rx_desc->special) &
+ E1000_RXD_SPC_VLAN_MASK);
} else {
netif_receive_skb(skb);
}
if(unlikely(adapter->vlgrp &&
(rx_desc->status & E1000_RXD_STAT_VP))) {
vlan_hwaccel_rx(skb, adapter->vlgrp,
- le16_to_cpu(rx_desc->special &
- E1000_RXD_SPC_VLAN_MASK));
+ le16_to_cpu(rx_desc->special) &
+ E1000_RXD_SPC_VLAN_MASK);
} else {
netif_rx(skb);
}
buffer_info = &rx_ring->buffer_info[i];
while(!buffer_info->skb) {
-
skb = dev_alloc_skb(adapter->rx_buffer_len + NET_IP_ALIGN);
+
if(unlikely(!skb)) {
/* Better luck next round */
break;
return E1000_SUCCESS;
}
-/**
- * e1000_rx_checksum - Receive Checksum Offload for 82543
- * @adapter: board private structure
- * @rx_desc: receive descriptor
- * @sk_buff: socket buffer with received data
- **/
-
-static void
-e1000_rx_checksum(struct e1000_adapter *adapter,
- struct e1000_rx_desc *rx_desc,
- struct sk_buff *skb)
-{
- /* 82543 or newer only */
- if(unlikely((adapter->hw.mac_type < e1000_82543) ||
- /* Ignore Checksum bit is set */
- (rx_desc->status & E1000_RXD_STAT_IXSM) ||
- /* TCP Checksum has not been calculated */
- (!(rx_desc->status & E1000_RXD_STAT_TCPCS)))) {
- skb->ip_summed = CHECKSUM_NONE;
- return;
- }
-
- /* At this point we know the hardware did the TCP checksum */
- /* now look at the TCP checksum error bit */
- if(rx_desc->errors & E1000_RXD_ERR_TCPE) {
- /* let the stack verify checksum errors */
- skb->ip_summed = CHECKSUM_NONE;
- adapter->hw_csum_err++;
- } else {
- /* TCP checksum is good */
- skb->ip_summed = CHECKSUM_UNNECESSARY;
- adapter->hw_csum_good++;
- }
-}
-
void
e1000_pci_set_mwi(struct e1000_hw *hw)
{
pci_enable_wake(pdev, 4, 0); /* 4 == D3 cold */
}
- pci_save_state(pdev, adapter->pci_state);
+ pci_save_state(pdev);
if(adapter->hw.mac_type >= e1000_82540 &&
adapter->hw.media_type == e1000_media_type_copper) {
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct e1000_adapter *adapter = netdev->priv;
- uint32_t manc;
+ uint32_t manc, ret;
- pci_enable_device(pdev);
pci_set_power_state(pdev, 0);
- pci_restore_state(pdev, adapter->pci_state);
+ pci_restore_state(pdev);
+ ret = pci_enable_device(pdev);
+ if (pdev->is_busmaster)
+ pci_set_master(pdev);
pci_enable_wake(pdev, 3, 0);
pci_enable_wake(pdev, 4, 0); /* 4 == D3 cold */
git://git.onelab.eu / linux-2.6.git / blobdiff