*******************************************************************************/
#include "e1000.h"
+#include <net/ip6_checksum.h>
char e1000_driver_name[] = "e1000";
static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
#else
#define DRIVERNAPI "-NAPI"
#endif
-#define DRV_VERSION "7.2.9-k4"DRIVERNAPI
+#define DRV_VERSION "7.3.20-k2"DRIVERNAPI
char e1000_driver_version[] = DRV_VERSION;
static char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation.";
INTEL_E1000_ETHERNET_DEVICE(0x10B9),
INTEL_E1000_ETHERNET_DEVICE(0x10BA),
INTEL_E1000_ETHERNET_DEVICE(0x10BB),
+ INTEL_E1000_ETHERNET_DEVICE(0x10BC),
+ INTEL_E1000_ETHERNET_DEVICE(0x10C4),
+ INTEL_E1000_ETHERNET_DEVICE(0x10C5),
/* required last entry */
{0,}
};
static int e1000_change_mtu(struct net_device *netdev, int new_mtu);
static int e1000_set_mac(struct net_device *netdev, void *p);
static irqreturn_t e1000_intr(int irq, void *data);
+#ifdef CONFIG_PCI_MSI
+static irqreturn_t e1000_intr_msi(int irq, void *data);
+#endif
static boolean_t e1000_clean_tx_irq(struct e1000_adapter *adapter,
struct e1000_tx_ring *tx_ring);
#ifdef CONFIG_E1000_NAPI
static void e1000_enter_82542_rst(struct e1000_adapter *adapter);
static void e1000_leave_82542_rst(struct e1000_adapter *adapter);
static void e1000_tx_timeout(struct net_device *dev);
-static void e1000_reset_task(struct net_device *dev);
+static void e1000_reset_task(struct work_struct *work);
static void e1000_smartspeed(struct e1000_adapter *adapter);
static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,
struct sk_buff *skb);
extern void e1000_check_options(struct e1000_adapter *adapter);
+#define COPYBREAK_DEFAULT 256
+static unsigned int copybreak __read_mostly = COPYBREAK_DEFAULT;
+module_param(copybreak, uint, 0644);
+MODULE_PARM_DESC(copybreak,
+ "Maximum size of packet that is copied to a new buffer on receive");
+
static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
pci_channel_state_t state);
static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev);
printk(KERN_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");
+ else
+ printk(KERN_INFO "e1000: copybreak enabled for "
+ "packets <= %u bytes\n", copybreak);
+ }
return ret;
}
flags = IRQF_SHARED;
#ifdef CONFIG_PCI_MSI
- if (adapter->hw.mac_type > e1000_82547_rev_2) {
+ if (adapter->hw.mac_type >= e1000_82571) {
adapter->have_msi = TRUE;
if ((err = pci_enable_msi(adapter->pdev))) {
DPRINTK(PROBE, ERR,
adapter->have_msi = FALSE;
}
}
- if (adapter->have_msi)
+ if (adapter->have_msi) {
flags &= ~IRQF_SHARED;
+ err = request_irq(adapter->pdev->irq, &e1000_intr_msi, flags,
+ netdev->name, netdev);
+ if (err)
+ DPRINTK(PROBE, ERR,
+ "Unable to allocate interrupt Error: %d\n", err);
+ } else
#endif
if ((err = request_irq(adapter->pdev->irq, &e1000_intr, flags,
netdev->name, netdev)))
uint16_t vid = adapter->hw.mng_cookie.vlan_id;
uint16_t old_vid = adapter->mng_vlan_id;
if (adapter->vlgrp) {
- if (!adapter->vlgrp->vlan_devices[vid]) {
+ if (!vlan_group_get_device(adapter->vlgrp, vid)) {
if (adapter->hw.mng_cookie.status &
E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {
e1000_vlan_rx_add_vid(netdev, vid);
if ((old_vid != (uint16_t)E1000_MNG_VLAN_NONE) &&
(vid != old_vid) &&
- !adapter->vlgrp->vlan_devices[old_vid])
+ !vlan_group_get_device(adapter->vlgrp, old_vid))
e1000_vlan_rx_kill_vid(netdev, old_vid);
} else
adapter->mng_vlan_id = vid;
}
}
+static void
+e1000_init_manageability(struct e1000_adapter *adapter)
+{
+ if (adapter->en_mng_pt) {
+ uint32_t manc = E1000_READ_REG(&adapter->hw, 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 */
+ if (adapter->hw.has_manc2h) {
+ uint32_t manc2h = E1000_READ_REG(&adapter->hw, MANC2H);
+
+ manc |= E1000_MANC_EN_MNG2HOST;
+#define E1000_MNG2HOST_PORT_623 (1 << 5)
+#define E1000_MNG2HOST_PORT_664 (1 << 6)
+ manc2h |= E1000_MNG2HOST_PORT_623;
+ manc2h |= E1000_MNG2HOST_PORT_664;
+ E1000_WRITE_REG(&adapter->hw, MANC2H, manc2h);
+ }
+
+ E1000_WRITE_REG(&adapter->hw, MANC, manc);
+ }
+}
+
+static void
+e1000_release_manageability(struct e1000_adapter *adapter)
+{
+ if (adapter->en_mng_pt) {
+ uint32_t manc = E1000_READ_REG(&adapter->hw, MANC);
+
+ /* re-enable hardware interception of ARP */
+ manc |= E1000_MANC_ARP_EN;
+
+ if (adapter->hw.has_manc2h)
+ manc &= ~E1000_MANC_EN_MNG2HOST;
+
+ /* don't explicitly have to mess with MANC2H since
+ * MANC has an enable disable that gates MANC2H */
+
+ E1000_WRITE_REG(&adapter->hw, MANC, manc);
+ }
+}
+
int
e1000_up(struct e1000_adapter *adapter)
{
e1000_set_multi(netdev);
e1000_restore_vlan(adapter);
+ e1000_init_manageability(adapter);
e1000_configure_tx(adapter);
e1000_setup_rctl(adapter);
clear_bit(__E1000_DOWN, &adapter->flags);
- mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ);
+ /* fire a link change interrupt to start the watchdog */
+ E1000_WRITE_REG(&adapter->hw, ICS, E1000_ICS_LSC);
return 0;
}
void
e1000_reset(struct e1000_adapter *adapter)
{
- uint32_t pba, manc;
+ uint32_t pba = 0, tx_space, min_tx_space, min_rx_space;
uint16_t fc_high_water_mark = E1000_FC_HIGH_DIFF;
+ boolean_t legacy_pba_adjust = FALSE;
/* Repartition Pba for greater than 9k mtu
* To take effect CTRL.RST is required.
*/
switch (adapter->hw.mac_type) {
+ case e1000_82542_rev2_0:
+ case e1000_82542_rev2_1:
+ case e1000_82543:
+ case e1000_82544:
+ case e1000_82540:
+ case e1000_82541:
+ case e1000_82541_rev_2:
+ legacy_pba_adjust = TRUE;
+ pba = E1000_PBA_48K;
+ break;
+ case e1000_82545:
+ case e1000_82545_rev_3:
+ case e1000_82546:
+ case e1000_82546_rev_3:
+ pba = E1000_PBA_48K;
+ break;
case e1000_82547:
case e1000_82547_rev_2:
+ legacy_pba_adjust = TRUE;
pba = E1000_PBA_30K;
break;
case e1000_82571:
pba = E1000_PBA_38K;
break;
case e1000_82573:
- pba = E1000_PBA_12K;
+ pba = E1000_PBA_20K;
break;
case e1000_ich8lan:
pba = E1000_PBA_8K;
- break;
- default:
- pba = E1000_PBA_48K;
+ case e1000_undefined:
+ case e1000_num_macs:
break;
}
- if ((adapter->hw.mac_type != e1000_82573) &&
- (adapter->netdev->mtu > E1000_RXBUFFER_8192))
- pba -= 8; /* allocate more FIFO for Tx */
+ if (legacy_pba_adjust == TRUE) {
+ if (adapter->netdev->mtu > E1000_RXBUFFER_8192)
+ pba -= 8; /* allocate more FIFO for Tx */
+ if (adapter->hw.mac_type == e1000_82547) {
+ adapter->tx_fifo_head = 0;
+ adapter->tx_head_addr = pba << E1000_TX_HEAD_ADDR_SHIFT;
+ adapter->tx_fifo_size =
+ (E1000_PBA_40K - pba) << E1000_PBA_BYTES_SHIFT;
+ atomic_set(&adapter->tx_fifo_stall, 0);
+ }
+ } else if (adapter->hw.max_frame_size > MAXIMUM_ETHERNET_FRAME_SIZE) {
+ /* adjust PBA for jumbo frames */
+ E1000_WRITE_REG(&adapter->hw, PBA, pba);
+
+ /* To maintain wire speed transmits, the Tx FIFO should be
+ * large enough to accomodate two full transmit packets,
+ * rounded up to the next 1KB and expressed in KB. Likewise,
+ * the Rx FIFO should be large enough to accomodate at least
+ * one full receive packet and is similarly rounded up and
+ * expressed in KB. */
+ pba = E1000_READ_REG(&adapter->hw, PBA);
+ /* upper 16 bits has Tx packet buffer allocation size in KB */
+ tx_space = pba >> 16;
+ /* lower 16 bits has Rx packet buffer allocation size in KB */
+ pba &= 0xffff;
+ /* don't include ethernet FCS because hardware appends/strips */
+ min_rx_space = adapter->netdev->mtu + ENET_HEADER_SIZE +
+ VLAN_TAG_SIZE;
+ min_tx_space = min_rx_space;
+ min_tx_space *= 2;
+ E1000_ROUNDUP(min_tx_space, 1024);
+ min_tx_space >>= 10;
+ E1000_ROUNDUP(min_rx_space, 1024);
+ min_rx_space >>= 10;
+
+ /* If current Tx allocation is less than the min Tx FIFO size,
+ * and the min Tx FIFO size is less than the current Rx FIFO
+ * allocation, take space away from current Rx allocation */
+ if (tx_space < min_tx_space &&
+ ((min_tx_space - tx_space) < pba)) {
+ pba = pba - (min_tx_space - tx_space);
+
+ /* PCI/PCIx hardware has PBA alignment constraints */
+ switch (adapter->hw.mac_type) {
+ case e1000_82545 ... e1000_82546_rev_3:
+ pba &= ~(E1000_PBA_8K - 1);
+ break;
+ default:
+ break;
+ }
- if (adapter->hw.mac_type == e1000_82547) {
- adapter->tx_fifo_head = 0;
- adapter->tx_head_addr = pba << E1000_TX_HEAD_ADDR_SHIFT;
- adapter->tx_fifo_size =
- (E1000_PBA_40K - pba) << E1000_PBA_BYTES_SHIFT;
- atomic_set(&adapter->tx_fifo_stall, 0);
+ /* if short on rx space, rx wins and must trump tx
+ * adjustment or use Early Receive if available */
+ if (pba < min_rx_space) {
+ switch (adapter->hw.mac_type) {
+ case e1000_82573:
+ /* ERT enabled in e1000_configure_rx */
+ break;
+ default:
+ pba = min_rx_space;
+ break;
+ }
+ }
+ }
}
E1000_WRITE_REG(&adapter->hw, PBA, pba);
if (e1000_init_hw(&adapter->hw))
DPRINTK(PROBE, ERR, "Hardware Error\n");
e1000_update_mng_vlan(adapter);
+
+ /* if (adapter->hwflags & HWFLAGS_PHY_PWR_BIT) { */
+ if (adapter->hw.mac_type >= e1000_82544 &&
+ adapter->hw.mac_type <= e1000_82547_rev_2 &&
+ adapter->hw.autoneg == 1 &&
+ adapter->hw.autoneg_advertised == ADVERTISE_1000_FULL) {
+ uint32_t ctrl = E1000_READ_REG(&adapter->hw, CTRL);
+ /* clear phy power management bit if we are in gig only mode,
+ * which if enabled will attempt negotiation to 100Mb, which
+ * can cause a loss of link at power off or driver unload */
+ ctrl &= ~E1000_CTRL_SWDPIN3;
+ E1000_WRITE_REG(&adapter->hw, CTRL, ctrl);
+ }
+
/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
E1000_WRITE_REG(&adapter->hw, VET, ETHERNET_IEEE_VLAN_TYPE);
phy_data);
}
- if ((adapter->en_mng_pt) &&
- (adapter->hw.mac_type >= e1000_82540) &&
- (adapter->hw.mac_type < e1000_82571) &&
- (adapter->hw.media_type == e1000_media_type_copper)) {
- manc = E1000_READ_REG(&adapter->hw, MANC);
- manc |= (E1000_MANC_ARP_EN | E1000_MANC_EN_MNG2HOST);
- E1000_WRITE_REG(&adapter->hw, MANC, manc);
- }
+ e1000_release_manageability(adapter);
}
/**
netdev->features &= ~NETIF_F_HW_VLAN_FILTER;
}
-#ifdef NETIF_F_TSO
if ((adapter->hw.mac_type >= e1000_82544) &&
(adapter->hw.mac_type != e1000_82547))
netdev->features |= NETIF_F_TSO;
-#ifdef NETIF_F_TSO6
if (adapter->hw.mac_type > e1000_82547_rev_2)
netdev->features |= NETIF_F_TSO6;
-#endif
-#endif
if (pci_using_dac)
netdev->features |= NETIF_F_HIGHDMA;
adapter->phy_info_timer.function = &e1000_update_phy_info;
adapter->phy_info_timer.data = (unsigned long) adapter;
- INIT_WORK(&adapter->reset_task,
- (void (*)(void *))e1000_reset_task, netdev);
+ INIT_WORK(&adapter->reset_task, e1000_reset_task);
e1000_check_options(adapter);
break;
case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
case E1000_DEV_ID_82571EB_QUAD_COPPER:
+ case E1000_DEV_ID_82571EB_QUAD_COPPER_LOWPROFILE:
/* if quad port adapter, disable WoL on all but port A */
if (global_quad_port_a != 0)
adapter->eeprom_wol = 0;
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct e1000_adapter *adapter = netdev_priv(netdev);
- uint32_t manc;
#ifdef CONFIG_E1000_NAPI
int i;
#endif
flush_scheduled_work();
- if (adapter->hw.mac_type >= e1000_82540 &&
- adapter->hw.mac_type < e1000_82571 &&
- adapter->hw.media_type == e1000_media_type_copper) {
- manc = E1000_READ_REG(&adapter->hw, MANC);
- if (manc & E1000_MANC_SMBUS_EN) {
- manc |= E1000_MANC_ARP_EN;
- E1000_WRITE_REG(&adapter->hw, MANC, manc);
- }
- }
+ 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. */
if ((adapter->hw.mng_cookie.status &
E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
!(adapter->vlgrp &&
- adapter->vlgrp->vlan_devices[adapter->mng_vlan_id])) {
+ vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id))) {
e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
}
}
/* Set the default values for the Tx Inter Packet Gap timer */
-
- if (hw->media_type == e1000_media_type_fiber ||
- hw->media_type == e1000_media_type_internal_serdes)
+ if (adapter->hw.mac_type <= e1000_82547_rev_2 &&
+ (hw->media_type == e1000_media_type_fiber ||
+ hw->media_type == e1000_media_type_internal_serdes))
tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
else
tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
e1000_config_collision_dist(hw);
/* Setup Transmit Descriptor Settings for eop descriptor */
- adapter->txd_cmd = E1000_TXD_CMD_IDE | E1000_TXD_CMD_EOP |
- E1000_TXD_CMD_IFCS;
+ adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
+
+ /* only set IDE if we are delaying interrupts using the timers */
+ if (adapter->tx_int_delay)
+ adapter->txd_cmd |= E1000_TXD_CMD_IDE;
if (hw->mac_type < e1000_82543)
adapter->txd_cmd |= E1000_TXD_CMD_RPS;
if (hw->mac_type >= e1000_82540) {
E1000_WRITE_REG(hw, RADV, adapter->rx_abs_int_delay);
- if (adapter->itr > 1)
+ if (adapter->itr_setting != 0)
E1000_WRITE_REG(hw, ITR,
1000000000 / (adapter->itr * 256));
}
/* Reset delay timers after every interrupt */
ctrl_ext |= E1000_CTRL_EXT_INT_TIMER_CLR;
#ifdef CONFIG_E1000_NAPI
- /* Auto-Mask interrupts upon ICR read. */
+ /* Auto-Mask interrupts upon ICR access */
ctrl_ext |= E1000_CTRL_EXT_IAME;
+ E1000_WRITE_REG(hw, IAM, 0xffffffff);
#endif
E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext);
- E1000_WRITE_REG(hw, IAM, ~0);
E1000_WRITE_FLUSH(hw);
}
buffer_info->dma,
buffer_info->length,
PCI_DMA_TODEVICE);
+ buffer_info->dma = 0;
}
- if (buffer_info->skb)
+ if (buffer_info->skb) {
dev_kfree_skb_any(buffer_info->skb);
- memset(buffer_info, 0, sizeof(struct e1000_buffer));
+ buffer_info->skb = NULL;
+ }
+ /* buffer_info must be completely set up in the transmit path */
}
/**
if (link) {
if (!netif_carrier_ok(netdev)) {
+ uint32_t ctrl;
boolean_t txb2b = 1;
e1000_get_speed_and_duplex(&adapter->hw,
&adapter->link_speed,
&adapter->link_duplex);
- DPRINTK(LINK, INFO, "NIC Link is Up %d Mbps %s\n",
- adapter->link_speed,
- adapter->link_duplex == FULL_DUPLEX ?
- "Full Duplex" : "Half Duplex");
+ ctrl = E1000_READ_REG(&adapter->hw, CTRL);
+ DPRINTK(LINK, INFO, "NIC Link is Up %d Mbps %s, "
+ "Flow Control: %s\n",
+ 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" )));
/* tweak tx_queue_len according to speed/duplex
* and adjust the timeout factor */
E1000_WRITE_REG(&adapter->hw, TARC0, tarc0);
}
-#ifdef NETIF_F_TSO
/* disable TSO for pcie and 10/100 speeds, to avoid
* some hardware issues */
if (!adapter->tso_force &&
DPRINTK(PROBE,INFO,
"10/100 speed: disabling TSO\n");
netdev->features &= ~NETIF_F_TSO;
-#ifdef NETIF_F_TSO6
netdev->features &= ~NETIF_F_TSO6;
-#endif
break;
case SPEED_1000:
netdev->features |= NETIF_F_TSO;
-#ifdef NETIF_F_TSO6
netdev->features |= NETIF_F_TSO6;
-#endif
break;
default:
/* oops */
break;
}
}
-#endif
/* enable transmits in the hardware, need to do this
* after setting TARC0 */
netif_wake_queue(netdev);
mod_timer(&adapter->phy_info_timer, jiffies + 2 * HZ);
adapter->smartspeed = 0;
+ } else {
+ /* make sure the receive unit is started */
+ if (adapter->hw.rx_needs_kicking) {
+ struct e1000_hw *hw = &adapter->hw;
+ uint32_t rctl = E1000_READ_REG(hw, RCTL);
+ E1000_WRITE_REG(hw, RCTL, rctl | E1000_RCTL_EN);
+ }
}
} else {
if (netif_carrier_ok(netdev)) {
}
}
- /* Dynamic mode for Interrupt Throttle Rate (ITR) */
- if (adapter->hw.mac_type >= e1000_82540 && adapter->itr == 1) {
- /* Symmetric Tx/Rx gets a reduced ITR=2000; Total
- * asymmetrical Tx or Rx gets ITR=8000; everyone
- * else is between 2000-8000. */
- uint32_t goc = (adapter->gotcl + adapter->gorcl) / 10000;
- uint32_t dif = (adapter->gotcl > adapter->gorcl ?
- adapter->gotcl - adapter->gorcl :
- adapter->gorcl - adapter->gotcl) / 10000;
- uint32_t itr = goc > 0 ? (dif * 6000 / goc + 2000) : 8000;
- E1000_WRITE_REG(&adapter->hw, ITR, 1000000000 / (itr * 256));
- }
-
/* Cause software interrupt to ensure rx ring is cleaned */
E1000_WRITE_REG(&adapter->hw, ICS, E1000_ICS_RXDMT0);
mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ);
}
+enum latency_range {
+ lowest_latency = 0,
+ low_latency = 1,
+ bulk_latency = 2,
+ latency_invalid = 255
+};
+
+/**
+ * e1000_update_itr - update the dynamic ITR value based on statistics
+ * 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
+ * traffic pattern. Constants in this function were computed
+ * based on theoretical maximum wire speed and thresholds were set based
+ * on testing data as well as attempting to minimize response time
+ * 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,
+ uint16_t itr_setting,
+ int packets,
+ int bytes)
+{
+ unsigned int retval = itr_setting;
+ struct e1000_hw *hw = &adapter->hw;
+
+ if (unlikely(hw->mac_type < e1000_82540))
+ goto update_itr_done;
+
+ if (packets == 0)
+ goto update_itr_done;
+
+ switch (itr_setting) {
+ case lowest_latency:
+ /* jumbo frames get bulk treatment*/
+ if (bytes/packets > 8000)
+ retval = bulk_latency;
+ else if ((packets < 5) && (bytes > 512))
+ retval = low_latency;
+ break;
+ case low_latency: /* 50 usec aka 20000 ints/s */
+ if (bytes > 10000) {
+ /* jumbo frames need bulk latency setting */
+ if (bytes/packets > 8000)
+ retval = bulk_latency;
+ else if ((packets < 10) || ((bytes/packets) > 1200))
+ retval = bulk_latency;
+ else if ((packets > 35))
+ retval = lowest_latency;
+ } else if (bytes/packets > 2000)
+ retval = bulk_latency;
+ else if (packets <= 2 && bytes < 512)
+ retval = lowest_latency;
+ break;
+ case bulk_latency: /* 250 usec aka 4000 ints/s */
+ if (bytes > 25000) {
+ if (packets > 35)
+ retval = low_latency;
+ } else if (bytes < 6000) {
+ retval = low_latency;
+ }
+ break;
+ }
+
+update_itr_done:
+ return retval;
+}
+
+static void e1000_set_itr(struct e1000_adapter *adapter)
+{
+ struct e1000_hw *hw = &adapter->hw;
+ uint16_t current_itr;
+ uint32_t new_itr = adapter->itr;
+
+ if (unlikely(hw->mac_type < e1000_82540))
+ return;
+
+ /* for non-gigabit speeds, just fix the interrupt rate at 4000 */
+ if (unlikely(adapter->link_speed != SPEED_1000)) {
+ current_itr = 0;
+ new_itr = 4000;
+ goto set_itr_now;
+ }
+
+ adapter->tx_itr = e1000_update_itr(adapter,
+ adapter->tx_itr,
+ adapter->total_tx_packets,
+ adapter->total_tx_bytes);
+ /* conservative mode (itr 3) eliminates the lowest_latency setting */
+ if (adapter->itr_setting == 3 && adapter->tx_itr == lowest_latency)
+ adapter->tx_itr = low_latency;
+
+ adapter->rx_itr = e1000_update_itr(adapter,
+ adapter->rx_itr,
+ adapter->total_rx_packets,
+ adapter->total_rx_bytes);
+ /* conservative mode (itr 3) eliminates the lowest_latency setting */
+ if (adapter->itr_setting == 3 && adapter->rx_itr == lowest_latency)
+ adapter->rx_itr = low_latency;
+
+ current_itr = max(adapter->rx_itr, adapter->tx_itr);
+
+ switch (current_itr) {
+ /* counts and packets in update_itr are dependent on these numbers */
+ case lowest_latency:
+ new_itr = 70000;
+ break;
+ case low_latency:
+ new_itr = 20000; /* aka hwitr = ~200 */
+ break;
+ case bulk_latency:
+ new_itr = 4000;
+ break;
+ default:
+ break;
+ }
+
+set_itr_now:
+ if (new_itr != adapter->itr) {
+ /* this attempts to bias the interrupt rate towards Bulk
+ * by adding intermediate steps when interrupt rate is
+ * increasing */
+ new_itr = new_itr > adapter->itr ?
+ min(adapter->itr + (new_itr >> 2), new_itr) :
+ new_itr;
+ adapter->itr = new_itr;
+ E1000_WRITE_REG(hw, ITR, 1000000000 / (new_itr * 256));
+ }
+
+ return;
+}
+
#define E1000_TX_FLAGS_CSUM 0x00000001
#define E1000_TX_FLAGS_VLAN 0x00000002
#define E1000_TX_FLAGS_TSO 0x00000004
e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
struct sk_buff *skb)
{
-#ifdef NETIF_F_TSO
struct e1000_context_desc *context_desc;
struct e1000_buffer *buffer_info;
unsigned int i;
0);
cmd_length = E1000_TXD_CMD_IP;
ipcse = skb->h.raw - skb->data - 1;
-#ifdef NETIF_F_TSO6
} else if (skb->protocol == htons(ETH_P_IPV6)) {
skb->nh.ipv6h->payload_len = 0;
skb->h.th->check =
IPPROTO_TCP,
0);
ipcse = 0;
-#endif
}
ipcss = skb->nh.raw - skb->data;
ipcso = (void *)&(skb->nh.iph->check) - (void *)skb->data;
context_desc->cmd_and_length = cpu_to_le32(cmd_length);
buffer_info->time_stamp = jiffies;
+ buffer_info->next_to_watch = i;
if (++i == tx_ring->count) i = 0;
tx_ring->next_to_use = i;
return TRUE;
}
-#endif
-
return FALSE;
}
buffer_info = &tx_ring->buffer_info[i];
context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
+ context_desc->lower_setup.ip_config = 0;
context_desc->upper_setup.tcp_fields.tucss = css;
context_desc->upper_setup.tcp_fields.tucso = css + skb->csum;
context_desc->upper_setup.tcp_fields.tucse = 0;
context_desc->cmd_and_length = cpu_to_le32(E1000_TXD_CMD_DEXT);
buffer_info->time_stamp = jiffies;
+ buffer_info->next_to_watch = i;
if (unlikely(++i == tx_ring->count)) i = 0;
tx_ring->next_to_use = i;
while (len) {
buffer_info = &tx_ring->buffer_info[i];
size = min(len, max_per_txd);
-#ifdef NETIF_F_TSO
/* Workaround for Controller erratum --
* descriptor for non-tso packet in a linear SKB that follows a
* tso gets written back prematurely before the data is fully
* in TSO mode. Append 4-byte sentinel desc */
if (unlikely(mss && !nr_frags && size == len && size > 8))
size -= 4;
-#endif
/* work-around for errata 10 and it applies
* to all controllers in PCI-X mode
* The fix is to make sure that the first descriptor of a
size,
PCI_DMA_TODEVICE);
buffer_info->time_stamp = jiffies;
+ buffer_info->next_to_watch = i;
len -= size;
offset += size;
while (len) {
buffer_info = &tx_ring->buffer_info[i];
size = min(len, max_per_txd);
-#ifdef NETIF_F_TSO
/* Workaround for premature desc write-backs
* in TSO mode. Append 4-byte sentinel desc */
if (unlikely(mss && f == (nr_frags-1) && size == len && size > 8))
size -= 4;
-#endif
/* Workaround for potential 82544 hang in PCI-X.
* Avoid terminating buffers within evenly-aligned
* dwords. */
size,
PCI_DMA_TODEVICE);
buffer_info->time_stamp = jiffies;
+ buffer_info->next_to_watch = i;
len -= size;
offset += size;
tx_ring->next_to_use = i;
writel(i, adapter->hw.hw_addr + tx_ring->tdt);
+ /* we need this if more than one processor can write to our tail
+ * at a time, it syncronizes IO on IA64/Altix systems */
+ mmiowb();
}
/**
/* A reprieve! */
netif_start_queue(netdev);
+ ++adapter->restart_queue;
return 0;
}
if (adapter->hw.mac_type >= e1000_82571)
max_per_txd = 8192;
-#ifdef NETIF_F_TSO
mss = skb_shinfo(skb)->gso_size;
/* The controller does a simple calculation to
* make sure there is enough room in the FIFO before
if (skb->data_len && (hdr_len == (skb->len - skb->data_len))) {
switch (adapter->hw.mac_type) {
unsigned int pull_size;
+ case e1000_82544:
+ /* Make sure we have room to chop off 4 bytes,
+ * and that the end alignment will work out to
+ * this hardware's requirements
+ * NOTE: this is a TSO only workaround
+ * if end byte alignment not correct move us
+ * into the next dword */
+ if ((unsigned long)(skb->tail - 1) & 4)
+ break;
+ /* fall through */
case e1000_82571:
case e1000_82572:
case e1000_82573:
if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
count++;
count++;
-#else
- if (skb->ip_summed == CHECKSUM_PARTIAL)
- count++;
-#endif
-#ifdef NETIF_F_TSO
/* Controller Erratum workaround */
if (!skb->data_len && tx_ring->last_tx_tso && !skb_is_gso(skb))
count++;
-#endif
count += TXD_USE_COUNT(len, max_txd_pwr);
}
static void
-e1000_reset_task(struct net_device *netdev)
+e1000_reset_task(struct work_struct *work)
{
- struct e1000_adapter *adapter = netdev_priv(netdev);
+ struct e1000_adapter *adapter =
+ container_of(work, struct e1000_adapter, reset_task);
e1000_reinit_locked(adapter);
}
adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
netdev->mtu = new_mtu;
+ adapter->hw.max_frame_size = max_frame;
if (netif_running(netdev))
e1000_reinit_locked(adapter);
- adapter->hw.max_frame_size = max_frame;
-
return 0;
}
*/
if (adapter->link_speed == 0)
return;
- if (pdev->error_state && pdev->error_state != pci_channel_io_normal)
+ if (pci_channel_offline(pdev))
return;
spin_lock_irqsave(&adapter->stats_lock, flags);
adapter->net_stats.tx_aborted_errors = adapter->stats.ecol;
adapter->net_stats.tx_window_errors = adapter->stats.latecol;
adapter->net_stats.tx_carrier_errors = adapter->stats.tncrs;
+ if (adapter->hw.bad_tx_carr_stats_fd &&
+ adapter->link_duplex == FULL_DUPLEX) {
+ adapter->net_stats.tx_carrier_errors = 0;
+ adapter->stats.tncrs = 0;
+ }
/* Tx Dropped needs to be maintained elsewhere */
adapter->phy_stats.receive_errors += phy_tmp;
}
+ /* Management Stats */
+ if (adapter->hw.has_smbus) {
+ adapter->stats.mgptc += E1000_READ_REG(hw, MGTPTC);
+ adapter->stats.mgprc += E1000_READ_REG(hw, MGTPRC);
+ adapter->stats.mgpdc += E1000_READ_REG(hw, MGTPDC);
+ }
+
spin_unlock_irqrestore(&adapter->stats_lock, flags);
}
+#ifdef CONFIG_PCI_MSI
+
+/**
+ * e1000_intr_msi - Interrupt Handler
+ * @irq: interrupt number
+ * @data: pointer to a network interface device structure
+ **/
+
+static irqreturn_t
+e1000_intr_msi(int irq, void *data)
+{
+ 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
+ uint32_t icr = E1000_READ_REG(hw, ICR);
+
+#ifdef CONFIG_E1000_NAPI
+ /* read ICR disables interrupts using IAM, so keep up with our
+ * enable/disable accounting */
+ atomic_inc(&adapter->irq_sem);
+#endif
+ if (icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) {
+ hw->get_link_status = 1;
+ /* 80003ES2LAN workaround-- For packet buffer work-around on
+ * link down event; disable receives here in the ISR and reset
+ * adapter in watchdog */
+ if (netif_carrier_ok(netdev) &&
+ (adapter->hw.mac_type == e1000_80003es2lan)) {
+ /* disable receives */
+ uint32_t rctl = E1000_READ_REG(hw, RCTL);
+ E1000_WRITE_REG(hw, RCTL, rctl & ~E1000_RCTL_EN);
+ }
+ /* guard against interrupt when we're going down */
+ if (!test_bit(__E1000_DOWN, &adapter->flags))
+ mod_timer(&adapter->watchdog_timer, jiffies + 1);
+ }
+
+#ifdef CONFIG_E1000_NAPI
+ if (likely(netif_rx_schedule_prep(netdev))) {
+ adapter->total_tx_bytes = 0;
+ adapter->total_tx_packets = 0;
+ adapter->total_rx_bytes = 0;
+ adapter->total_rx_packets = 0;
+ __netif_rx_schedule(netdev);
+ } 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;
+}
+#endif
/**
* e1000_intr - Interrupt Handler
uint32_t rctl, icr = E1000_READ_REG(hw, ICR);
#ifndef CONFIG_E1000_NAPI
int i;
-#else
+#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 &&
+ !(icr & E1000_ICR_INT_ASSERTED)))
+ return IRQ_NONE;
+
/* Interrupt Auto-Mask...upon reading ICR,
* interrupts are masked. No need for the
* IMC write, but it does mean we should
atomic_inc(&adapter->irq_sem);
#endif
- if (unlikely(!icr)) {
-#ifdef CONFIG_E1000_NAPI
- if (hw->mac_type >= e1000_82571)
- e1000_irq_enable(adapter);
-#endif
- return IRQ_NONE; /* Not our interrupt */
- }
-
if (unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) {
hw->get_link_status = 1;
/* 80003ES2LAN workaround--
#ifdef CONFIG_E1000_NAPI
if (unlikely(hw->mac_type < e1000_82571)) {
+ /* disable interrupts, without the synchronize_irq bit */
atomic_inc(&adapter->irq_sem);
E1000_WRITE_REG(hw, IMC, ~0);
E1000_WRITE_FLUSH(hw);
}
- if (likely(netif_rx_schedule_prep(netdev)))
+ if (likely(netif_rx_schedule_prep(netdev))) {
+ adapter->total_tx_bytes = 0;
+ adapter->total_tx_packets = 0;
+ adapter->total_rx_bytes = 0;
+ adapter->total_rx_packets = 0;
__netif_rx_schedule(netdev);
- else
+ } else
/* 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);
E1000_WRITE_REG(hw, 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);
if ((!tx_cleaned && (work_done == 0)) ||
!netif_running(poll_dev)) {
quit_polling:
+ if (likely(adapter->itr_setting & 3))
+ e1000_set_itr(adapter);
netif_rx_complete(poll_dev);
e1000_irq_enable(adapter);
return 0;
unsigned int count = 0;
#endif
boolean_t cleaned = FALSE;
+ unsigned int total_tx_bytes=0, total_tx_packets=0;
i = tx_ring->next_to_clean;
eop = tx_ring->buffer_info[i].next_to_watch;
buffer_info = &tx_ring->buffer_info[i];
cleaned = (i == eop);
+ if (cleaned) {
+ struct sk_buff *skb = buffer_info->skb;
+ unsigned int segs, bytecount;
+ segs = skb_shinfo(skb)->gso_segs ?: 1;
+ /* multiply data chunks by size of headers */
+ bytecount = ((segs - 1) * skb_headlen(skb)) +
+ skb->len;
+ total_tx_packets += segs;
+ total_tx_bytes += bytecount;
+ }
e1000_unmap_and_free_tx_resource(adapter, buffer_info);
- memset(tx_desc, 0, sizeof(struct e1000_tx_desc));
+ tx_desc->upper.data = 0;
if (unlikely(++i == tx_ring->count)) i = 0;
}
* sees the new next_to_clean.
*/
smp_mb();
- if (netif_queue_stopped(netdev))
+ if (netif_queue_stopped(netdev)) {
netif_wake_queue(netdev);
+ ++adapter->restart_queue;
+ }
}
if (adapter->detect_tx_hung) {
netif_stop_queue(netdev);
}
}
+ adapter->total_tx_bytes += total_tx_bytes;
+ adapter->total_tx_packets += total_tx_packets;
return cleaned;
}
unsigned int i;
int cleaned_count = 0;
boolean_t cleaned = FALSE;
+ unsigned int total_rx_bytes=0, total_rx_packets=0;
i = rx_ring->next_to_clean;
rx_desc = E1000_RX_DESC(*rx_ring, i);
* done after the TBI_ACCEPT workaround above */
length -= 4;
+ /* probably a little skewed due to removing CRC */
+ 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 */
-#define E1000_CB_LENGTH 256
- if (length < E1000_CB_LENGTH) {
+ if (length < copybreak) {
struct sk_buff *new_skb =
netdev_alloc_skb(netdev, length + NET_IP_ALIGN);
if (new_skb) {
/* save the skb in buffer_info as good */
buffer_info->skb = skb;
skb = new_skb;
- skb_put(skb, length);
}
- } else
- skb_put(skb, length);
-
+ /* else just continue with the old one */
+ }
/* end copybreak code */
+ skb_put(skb, length);
/* Receive Checksum Offload */
e1000_rx_checksum(adapter,
if (cleaned_count)
adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
+ adapter->total_rx_packets += total_rx_packets;
+ adapter->total_rx_bytes += total_rx_bytes;
return cleaned;
}
uint32_t length, staterr;
int cleaned_count = 0;
boolean_t cleaned = FALSE;
+ unsigned int total_rx_bytes=0, total_rx_packets=0;
i = rx_ring->next_to_clean;
rx_desc = E1000_RX_DESC_PS(*rx_ring, i);
/* page alloc/put takes too long and effects small packet
* throughput, so unsplit small packets and save the alloc/put*/
- if (l1 && ((length + l1) <= adapter->rx_ps_bsize0)) {
+ if (l1 && (l1 <= copybreak) && ((length + l1) <= adapter->rx_ps_bsize0)) {
u8 *vaddr;
/* there is no documentation about how to call
* kmap_atomic, so we can't hold the mapping
pskb_trim(skb, skb->len - 4);
copydone:
+ total_rx_bytes += skb->len;
+ total_rx_packets++;
+
e1000_rx_checksum(adapter, staterr,
le16_to_cpu(rx_desc->wb.lower.hi_dword.csum_ip.csum), skb);
skb->protocol = eth_type_trans(skb, netdev);
if (cleaned_count)
adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
+ adapter->total_rx_packets += total_rx_packets;
+ adapter->total_rx_bytes += total_rx_bytes;
return cleaned;
}
uint32_t vfta, index;
e1000_irq_disable(adapter);
-
- if (adapter->vlgrp)
- adapter->vlgrp->vlan_devices[vid] = NULL;
-
+ vlan_group_set_device(adapter->vlgrp, vid, NULL);
e1000_irq_enable(adapter);
if ((adapter->hw.mng_cookie.status &
if (adapter->vlgrp) {
uint16_t vid;
for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
- if (!adapter->vlgrp->vlan_devices[vid])
+ if (!vlan_group_get_device(adapter->vlgrp, vid))
continue;
e1000_vlan_rx_add_vid(adapter->netdev, vid);
}
return 0;
}
-#ifdef CONFIG_PM
-/* Save/restore 16 or 64 dwords of PCI config space depending on which
- * bus we're on (PCI(X) vs. PCI-E)
- */
-#define PCIE_CONFIG_SPACE_LEN 256
-#define PCI_CONFIG_SPACE_LEN 64
-static int
-e1000_pci_save_state(struct e1000_adapter *adapter)
-{
- struct pci_dev *dev = adapter->pdev;
- int size;
- int i;
-
- if (adapter->hw.mac_type >= e1000_82571)
- size = PCIE_CONFIG_SPACE_LEN;
- else
- size = PCI_CONFIG_SPACE_LEN;
-
- WARN_ON(adapter->config_space != NULL);
-
- adapter->config_space = kmalloc(size, GFP_KERNEL);
- if (!adapter->config_space) {
- DPRINTK(PROBE, ERR, "unable to allocate %d bytes\n", size);
- return -ENOMEM;
- }
- for (i = 0; i < (size / 4); i++)
- pci_read_config_dword(dev, i * 4, &adapter->config_space[i]);
- return 0;
-}
-
-static void
-e1000_pci_restore_state(struct e1000_adapter *adapter)
-{
- struct pci_dev *dev = adapter->pdev;
- int size;
- int i;
-
- if (adapter->config_space == NULL)
- return;
-
- if (adapter->hw.mac_type >= e1000_82571)
- size = PCIE_CONFIG_SPACE_LEN;
- else
- size = PCI_CONFIG_SPACE_LEN;
- for (i = 0; i < (size / 4); i++)
- pci_write_config_dword(dev, i * 4, adapter->config_space[i]);
- kfree(adapter->config_space);
- adapter->config_space = NULL;
- return;
-}
-#endif /* CONFIG_PM */
-
static int
e1000_suspend(struct pci_dev *pdev, pm_message_t state)
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct e1000_adapter *adapter = netdev_priv(netdev);
- uint32_t ctrl, ctrl_ext, rctl, manc, status;
+ uint32_t ctrl, ctrl_ext, rctl, status;
uint32_t wufc = adapter->wol;
#ifdef CONFIG_PM
int retval = 0;
}
#ifdef CONFIG_PM
- /* Implement our own version of pci_save_state(pdev) because pci-
- * express adapters have 256-byte config spaces. */
- retval = e1000_pci_save_state(adapter);
+ retval = pci_save_state(pdev);
if (retval)
return retval;
#endif
pci_enable_wake(pdev, PCI_D3cold, 0);
}
- if (adapter->hw.mac_type >= e1000_82540 &&
- adapter->hw.mac_type < e1000_82571 &&
- adapter->hw.media_type == e1000_media_type_copper) {
- manc = E1000_READ_REG(&adapter->hw, MANC);
- if (manc & E1000_MANC_SMBUS_EN) {
- manc |= E1000_MANC_ARP_EN;
- E1000_WRITE_REG(&adapter->hw, MANC, manc);
- pci_enable_wake(pdev, PCI_D3hot, 1);
- pci_enable_wake(pdev, PCI_D3cold, 1);
- }
+ e1000_release_manageability(adapter);
+
+ /* make sure adapter isn't asleep if manageability is enabled */
+ if (adapter->en_mng_pt) {
+ pci_enable_wake(pdev, PCI_D3hot, 1);
+ pci_enable_wake(pdev, PCI_D3cold, 1);
}
if (adapter->hw.phy_type == e1000_phy_igp_3)
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct e1000_adapter *adapter = netdev_priv(netdev);
- uint32_t manc, err;
+ uint32_t err;
pci_set_power_state(pdev, PCI_D0);
- e1000_pci_restore_state(adapter);
+ pci_restore_state(pdev);
if ((err = pci_enable_device(pdev))) {
printk(KERN_ERR "e1000: Cannot enable PCI device from suspend\n");
return err;
e1000_reset(adapter);
E1000_WRITE_REG(&adapter->hw, WUS, ~0);
+ e1000_init_manageability(adapter);
+
if (netif_running(netdev))
e1000_up(adapter);
netif_device_attach(netdev);
- if (adapter->hw.mac_type >= e1000_82540 &&
- adapter->hw.mac_type < e1000_82571 &&
- adapter->hw.media_type == e1000_media_type_copper) {
- manc = E1000_READ_REG(&adapter->hw, MANC);
- manc &= ~(E1000_MANC_ARP_EN);
- E1000_WRITE_REG(&adapter->hw, MANC, manc);
- }
-
/* If the controller is 82573 and f/w is AMT, do not set
* DRV_LOAD until the interface is up. For all other cases,
* let the f/w know that the h/w is now under the control
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct e1000_adapter *adapter = netdev->priv;
- uint32_t manc, swsm;
+
+ e1000_init_manageability(adapter);
if (netif_running(netdev)) {
if (e1000_up(adapter)) {
netif_device_attach(netdev);
- if (adapter->hw.mac_type >= e1000_82540 &&
- adapter->hw.mac_type < e1000_82571 &&
- adapter->hw.media_type == e1000_media_type_copper) {
- manc = E1000_READ_REG(&adapter->hw, MANC);
- manc &= ~(E1000_MANC_ARP_EN);
- E1000_WRITE_REG(&adapter->hw, MANC, manc);
- }
-
- switch (adapter->hw.mac_type) {
- case e1000_82573:
- swsm = E1000_READ_REG(&adapter->hw, SWSM);
- E1000_WRITE_REG(&adapter->hw, SWSM,
- swsm | E1000_SWSM_DRV_LOAD);
- break;
- default:
- break;
- }
+ /* If the controller is 82573 and f/w is AMT, do not set
+ * DRV_LOAD until the interface is up. For all other cases,
+ * let the f/w know that the h/w is now under the control
+ * of the driver. */
+ if (adapter->hw.mac_type != e1000_82573 ||
+ !e1000_check_mng_mode(&adapter->hw))
+ e1000_get_hw_control(adapter);
- if (netif_running(netdev))
- mod_timer(&adapter->watchdog_timer, jiffies);
}
/* e1000_main.c */
git.openpandora.org / pandora-kernel.git / blobdiff