char e1000_driver_name[] = "e1000";
static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
-#define DRV_VERSION "7.3.21-k3-NAPI"
+#define DRV_VERSION "7.3.21-k5-NAPI"
const char e1000_driver_version[] = DRV_VERSION;
static const char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation.";
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);
-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);
static int e1000_clean(struct napi_struct *napi, int budget);
static int e1000_request_irq(struct e1000_adapter *adapter)
{
- struct e1000_hw *hw = &adapter->hw;
struct net_device *netdev = adapter->netdev;
irq_handler_t handler = e1000_intr;
int irq_flags = IRQF_SHARED;
int err;
- if (hw->mac_type >= e1000_82571) {
- adapter->have_msi = !pci_enable_msi(adapter->pdev);
- if (adapter->have_msi) {
- handler = e1000_intr_msi;
- irq_flags = 0;
- }
- }
-
err = request_irq(adapter->pdev->irq, handler, irq_flags, netdev->name,
netdev);
if (err) {
- if (adapter->have_msi)
- pci_disable_msi(adapter->pdev);
DPRINTK(PROBE, ERR,
"Unable to allocate interrupt Error: %d\n", err);
}
struct net_device *netdev = adapter->netdev;
free_irq(adapter->pdev->irq, netdev);
-
- if (adapter->have_msi)
- pci_disable_msi(adapter->pdev);
}
/**
}
}
-/**
- * e1000_release_hw_control - release control of the h/w to f/w
- * @adapter: address of board private structure
- *
- * e1000_release_hw_control resets {CTRL_EXT|FWSM}:DRV_LOAD bit.
- * For ASF and Pass Through versions of f/w this means that the
- * driver is no longer loaded. For AMT version (only with 82573) i
- * of the f/w this means that the network i/f is closed.
- *
- **/
-
-static void e1000_release_hw_control(struct e1000_adapter *adapter)
-{
- u32 ctrl_ext;
- u32 swsm;
- struct e1000_hw *hw = &adapter->hw;
-
- /* Let firmware taken over control of h/w */
- switch (hw->mac_type) {
- case e1000_82573:
- swsm = er32(SWSM);
- ew32(SWSM, swsm & ~E1000_SWSM_DRV_LOAD);
- break;
- case e1000_82571:
- case e1000_82572:
- case e1000_80003es2lan:
- case e1000_ich8lan:
- ctrl_ext = er32(CTRL_EXT);
- ew32(CTRL_EXT, ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
- break;
- default:
- break;
- }
-}
-
-/**
- * e1000_get_hw_control - get control of the h/w from f/w
- * @adapter: address of board private structure
- *
- * e1000_get_hw_control sets {CTRL_EXT|FWSM}:DRV_LOAD bit.
- * For ASF and Pass Through versions of f/w this means that
- * the driver is loaded. For AMT version (only with 82573)
- * of the f/w this means that the network i/f is open.
- *
- **/
-
-static void e1000_get_hw_control(struct e1000_adapter *adapter)
-{
- u32 ctrl_ext;
- u32 swsm;
- struct e1000_hw *hw = &adapter->hw;
-
- /* Let firmware know the driver has taken over */
- switch (hw->mac_type) {
- case e1000_82573:
- swsm = er32(SWSM);
- ew32(SWSM, swsm | E1000_SWSM_DRV_LOAD);
- break;
- case e1000_82571:
- case e1000_82572:
- case e1000_80003es2lan:
- case e1000_ich8lan:
- ctrl_ext = er32(CTRL_EXT);
- ew32(CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
- break;
- default:
- break;
- }
-}
-
static void e1000_init_manageability(struct e1000_adapter *adapter)
{
struct e1000_hw *hw = &adapter->hw;
/* 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 (hw->has_manc2h) {
- u32 manc2h = er32(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;
- ew32(MANC2H, manc2h);
- }
-
ew32(MANC, manc);
}
}
/* re-enable hardware interception of ARP */
manc |= E1000_MANC_ARP_EN;
- if (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 */
-
ew32(MANC, manc);
}
}
if (er32(MANC) & E1000_MANC_SMBUS_EN)
goto out;
break;
- case e1000_82571:
- case e1000_82572:
- case e1000_82573:
- case e1000_80003es2lan:
- case e1000_ich8lan:
- if (e1000_check_mng_mode(hw) ||
- e1000_check_phy_reset_block(hw))
- goto out;
- break;
default:
goto out;
}
legacy_pba_adjust = true;
pba = E1000_PBA_30K;
break;
- case e1000_82571:
- case e1000_82572:
- case e1000_80003es2lan:
- pba = E1000_PBA_38K;
- break;
- case e1000_82573:
- pba = E1000_PBA_20K;
- break;
- case e1000_ich8lan:
- pba = E1000_PBA_8K;
case e1000_undefined:
case e1000_num_macs:
break;
/* if short on rx space, rx wins and must trump tx
* adjustment or use Early Receive if available */
- if (pba < min_rx_space) {
- switch (hw->mac_type) {
- case e1000_82573:
- /* ERT enabled in e1000_configure_rx */
- break;
- default:
- pba = min_rx_space;
- break;
- }
- }
+ if (pba < min_rx_space)
+ pba = min_rx_space;
}
}
/* if (adapter->hwflags & HWFLAGS_PHY_PWR_BIT) { */
if (hw->mac_type >= e1000_82544 &&
- hw->mac_type <= e1000_82547_rev_2 &&
hw->autoneg == 1 &&
hw->autoneg_advertised == ADVERTISE_1000_FULL) {
u32 ctrl = er32(CTRL);
e1000_reset_adaptive(hw);
e1000_phy_get_info(hw, &adapter->phy_info);
- if (!adapter->smart_power_down &&
- (hw->mac_type == e1000_82571 ||
- hw->mac_type == e1000_82572)) {
- u16 phy_data = 0;
- /* speed up time to link by disabling smart power down, ignore
- * the return value of this function because there is nothing
- * different we would do if it failed */
- e1000_read_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT,
- &phy_data);
- phy_data &= ~IGP02E1000_PM_SPD;
- e1000_write_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT,
- phy_data);
- }
-
e1000_release_manageability(adapter);
}
goto err_sw_init;
err = -EIO;
- /* Flash BAR mapping must happen after e1000_sw_init
- * because it depends on mac_type */
- if ((hw->mac_type == e1000_ich8lan) &&
- (pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) {
- hw->flash_address = pci_ioremap_bar(pdev, 1);
- if (!hw->flash_address)
- goto err_flashmap;
- }
-
- if (e1000_check_phy_reset_block(hw))
- DPRINTK(PROBE, INFO, "PHY reset is blocked due to SOL/IDER session.\n");
if (hw->mac_type >= e1000_82543) {
netdev->features = NETIF_F_SG |
NETIF_F_HW_VLAN_TX |
NETIF_F_HW_VLAN_RX |
NETIF_F_HW_VLAN_FILTER;
- if (hw->mac_type == e1000_ich8lan)
- netdev->features &= ~NETIF_F_HW_VLAN_FILTER;
}
if ((hw->mac_type >= e1000_82544) &&
(hw->mac_type != e1000_82547))
netdev->features |= NETIF_F_TSO;
- if (hw->mac_type > e1000_82547_rev_2)
- netdev->features |= NETIF_F_TSO6;
if (pci_using_dac)
netdev->features |= NETIF_F_HIGHDMA;
netdev->vlan_features |= NETIF_F_TSO;
- netdev->vlan_features |= NETIF_F_TSO6;
netdev->vlan_features |= NETIF_F_HW_CSUM;
netdev->vlan_features |= NETIF_F_SG;
EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data);
eeprom_apme_mask = E1000_EEPROM_82544_APM;
break;
- case e1000_ich8lan:
- e1000_read_eeprom(hw,
- EEPROM_INIT_CONTROL1_REG, 1, &eeprom_data);
- eeprom_apme_mask = E1000_EEPROM_ICH8_APME;
- break;
case e1000_82546:
case e1000_82546_rev_3:
- case e1000_82571:
- case e1000_80003es2lan:
if (er32(STATUS) & E1000_STATUS_FUNC_1){
e1000_read_eeprom(hw,
EEPROM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
break;
case E1000_DEV_ID_82546EB_FIBER:
case E1000_DEV_ID_82546GB_FIBER:
- case E1000_DEV_ID_82571EB_FIBER:
/* Wake events only supported on port A for dual fiber
* regardless of eeprom setting */
if (er32(STATUS) & E1000_STATUS_FUNC_1)
adapter->eeprom_wol = 0;
break;
case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
- case E1000_DEV_ID_82571EB_QUAD_COPPER:
- case E1000_DEV_ID_82571EB_QUAD_FIBER:
- case E1000_DEV_ID_82571EB_QUAD_COPPER_LOWPROFILE:
- case E1000_DEV_ID_82571PT_QUAD_COPPER:
/* if quad port adapter, disable WoL on all but port A */
if (global_quad_port_a != 0)
adapter->eeprom_wol = 0;
/* print bus type/speed/width info */
DPRINTK(PROBE, INFO, "(PCI%s:%s:%s) ",
- ((hw->bus_type == e1000_bus_type_pcix) ? "-X" :
- (hw->bus_type == e1000_bus_type_pci_express ? " Express":"")),
- ((hw->bus_speed == e1000_bus_speed_2500) ? "2.5Gb/s" :
- (hw->bus_speed == e1000_bus_speed_133) ? "133MHz" :
+ ((hw->bus_type == e1000_bus_type_pcix) ? "-X" : ""),
+ ((hw->bus_speed == e1000_bus_speed_133) ? "133MHz" :
(hw->bus_speed == e1000_bus_speed_120) ? "120MHz" :
(hw->bus_speed == e1000_bus_speed_100) ? "100MHz" :
(hw->bus_speed == e1000_bus_speed_66) ? "66MHz" : "33MHz"),
- ((hw->bus_width == e1000_bus_width_64) ? "64-bit" :
- (hw->bus_width == e1000_bus_width_pciex_4) ? "Width x4" :
- (hw->bus_width == e1000_bus_width_pciex_1) ? "Width x1" :
- "32-bit"));
+ ((hw->bus_width == e1000_bus_width_64) ? "64-bit" : "32-bit"));
printk("%pM\n", netdev->dev_addr);
- if (hw->bus_type == e1000_bus_type_pci_express) {
- DPRINTK(PROBE, WARNING, "This device (id %04x:%04x) will no "
- "longer be supported by this driver in the future.\n",
- pdev->vendor, pdev->device);
- DPRINTK(PROBE, WARNING, "please use the \"e1000e\" "
- "driver instead.\n");
- }
-
/* reset the hardware with the new settings */
e1000_reset(adapter);
- /* 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 (hw->mac_type != e1000_82573 ||
- !e1000_check_mng_mode(hw))
- e1000_get_hw_control(adapter);
-
strcpy(netdev->name, "eth%d");
err = register_netdev(netdev);
if (err)
return 0;
err_register:
- e1000_release_hw_control(adapter);
err_eeprom:
- if (!e1000_check_phy_reset_block(hw))
- e1000_phy_hw_reset(hw);
+ e1000_phy_hw_reset(hw);
if (hw->flash_address)
iounmap(hw->flash_address);
-err_flashmap:
kfree(adapter->tx_ring);
kfree(adapter->rx_ring);
err_sw_init:
e1000_release_manageability(adapter);
- /* Release control of h/w to f/w. If f/w is AMT enabled, this
- * would have already happened in close and is redundant. */
- e1000_release_hw_control(adapter);
-
unregister_netdev(netdev);
- if (!e1000_check_phy_reset_block(hw))
- e1000_phy_hw_reset(hw);
+ e1000_phy_hw_reset(hw);
kfree(adapter->tx_ring);
kfree(adapter->rx_ring);
e1000_update_mng_vlan(adapter);
}
- /* If AMT is enabled, let the firmware know that the network
- * interface is now open */
- if (hw->mac_type == e1000_82573 &&
- e1000_check_mng_mode(hw))
- e1000_get_hw_control(adapter);
-
/* before we allocate an interrupt, we must be ready to handle it.
* Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
* as soon as we call pci_request_irq, so we have to setup our
return E1000_SUCCESS;
err_req_irq:
- e1000_release_hw_control(adapter);
e1000_power_down_phy(adapter);
e1000_free_all_rx_resources(adapter);
err_setup_rx:
e1000_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
}
- /* If AMT is enabled, let the firmware know that the network
- * interface is now closed */
- if (hw->mac_type == e1000_82573 &&
- e1000_check_mng_mode(hw))
- e1000_release_hw_control(adapter);
-
return 0;
}
{
u64 tdba;
struct e1000_hw *hw = &adapter->hw;
- u32 tdlen, tctl, tipg, tarc;
+ u32 tdlen, tctl, tipg;
u32 ipgr1, ipgr2;
/* Setup the HW Tx Head and Tail descriptor pointers */
}
/* Set the default values for the Tx Inter Packet Gap timer */
- if (hw->mac_type <= e1000_82547_rev_2 &&
- (hw->media_type == e1000_media_type_fiber ||
+ if ((hw->media_type == e1000_media_type_fiber ||
hw->media_type == e1000_media_type_internal_serdes))
tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
else
ipgr1 = DEFAULT_82542_TIPG_IPGR1;
ipgr2 = DEFAULT_82542_TIPG_IPGR2;
break;
- case e1000_80003es2lan:
- ipgr1 = DEFAULT_82543_TIPG_IPGR1;
- ipgr2 = DEFAULT_80003ES2LAN_TIPG_IPGR2;
- break;
default:
ipgr1 = DEFAULT_82543_TIPG_IPGR1;
ipgr2 = DEFAULT_82543_TIPG_IPGR2;
tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
- if (hw->mac_type == e1000_82571 || hw->mac_type == e1000_82572) {
- tarc = er32(TARC0);
- /* set the speed mode bit, we'll clear it if we're not at
- * gigabit link later */
- tarc |= (1 << 21);
- ew32(TARC0, tarc);
- } else if (hw->mac_type == e1000_80003es2lan) {
- tarc = er32(TARC0);
- tarc |= 1;
- ew32(TARC0, tarc);
- tarc = er32(TARC1);
- tarc |= 1;
- ew32(TARC1, tarc);
- }
-
e1000_config_collision_dist(hw);
/* Setup Transmit Descriptor Settings for eop descriptor */
static int e1000_setup_rx_resources(struct e1000_adapter *adapter,
struct e1000_rx_ring *rxdr)
{
- struct e1000_hw *hw = &adapter->hw;
struct pci_dev *pdev = adapter->pdev;
int size, desc_len;
}
memset(rxdr->buffer_info, 0, size);
- if (hw->mac_type <= e1000_82547_rev_2)
- desc_len = sizeof(struct e1000_rx_desc);
- else
- desc_len = sizeof(union e1000_rx_desc_packet_split);
+ desc_len = sizeof(struct e1000_rx_desc);
/* Round up to nearest 4K */
{
u64 rdba;
struct e1000_hw *hw = &adapter->hw;
- u32 rdlen, rctl, rxcsum, ctrl_ext;
+ u32 rdlen, rctl, rxcsum;
if (adapter->netdev->mtu > ETH_DATA_LEN) {
rdlen = adapter->rx_ring[0].count *
ew32(ITR, 1000000000 / (adapter->itr * 256));
}
- if (hw->mac_type >= e1000_82571) {
- ctrl_ext = er32(CTRL_EXT);
- /* Reset delay timers after every interrupt */
- ctrl_ext |= E1000_CTRL_EXT_INT_TIMER_CLR;
- /* Auto-Mask interrupts upon ICR access */
- ctrl_ext |= E1000_CTRL_EXT_IAME;
- ew32(IAM, 0xffffffff);
- ew32(CTRL_EXT, ctrl_ext);
- E1000_WRITE_FLUSH();
- }
-
/* Setup the HW Rx Head and Tail Descriptor Pointers and
* the Base and Length of the Rx Descriptor Ring */
switch (adapter->num_rx_queues) {
e1000_rar_set(hw, hw->mac_addr, 0);
- /* With 82571 controllers, LAA may be overwritten (with the default)
- * due to controller reset from the other port. */
- if (hw->mac_type == e1000_82571) {
- /* activate the work around */
- hw->laa_is_present = 1;
-
- /* Hold a copy of the LAA in RAR[14] This is done so that
- * between the time RAR[0] gets clobbered and the time it
- * gets fixed (in e1000_watchdog), the actual LAA is in one
- * of the RARs and no incoming packets directed to this port
- * are dropped. Eventaully the LAA will be in RAR[0] and
- * RAR[14] */
- e1000_rar_set(hw, hw->mac_addr,
- E1000_RAR_ENTRIES - 1);
- }
-
if (hw->mac_type == e1000_82542_rev2_0)
e1000_leave_82542_rst(adapter);
u32 rctl;
u32 hash_value;
int i, rar_entries = E1000_RAR_ENTRIES;
- int mta_reg_count = (hw->mac_type == e1000_ich8lan) ?
- E1000_NUM_MTA_REGISTERS_ICH8LAN :
- E1000_NUM_MTA_REGISTERS;
+ int mta_reg_count = E1000_NUM_MTA_REGISTERS;
u32 *mcarray = kcalloc(mta_reg_count, sizeof(u32), GFP_ATOMIC);
if (!mcarray) {
return;
}
- if (hw->mac_type == e1000_ich8lan)
- rar_entries = E1000_RAR_ENTRIES_ICH8LAN;
-
- /* reserve RAR[14] for LAA over-write work-around */
- if (hw->mac_type == e1000_82571)
- rar_entries--;
-
/* Check for Promiscuous and All Multicast modes */
rctl = er32(RCTL);
rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
rctl &= ~E1000_RCTL_VFE;
} else {
- if (netdev->flags & IFF_ALLMULTI) {
+ if (netdev->flags & IFF_ALLMULTI)
rctl |= E1000_RCTL_MPE;
- } else {
+ else
rctl &= ~E1000_RCTL_MPE;
- }
- if (adapter->hw.mac_type != e1000_ich8lan)
- /* Enable VLAN filter if there is a VLAN */
- if (adapter->vlgrp)
- rctl |= E1000_RCTL_VFE;
+ /* Enable VLAN filter if there is a VLAN */
+ if (adapter->vlgrp)
+ rctl |= E1000_RCTL_VFE;
}
if (netdev->uc.count > rar_entries - 1) {
*
* RAR 0 is used for the station MAC adddress
* if there are not 14 addresses, go ahead and clear the filters
- * -- with 82571 controllers only 0-13 entries are filled here
*/
i = 1;
if (use_uc)
struct net_device *netdev = adapter->netdev;
struct e1000_tx_ring *txdr = adapter->tx_ring;
u32 link, tctl;
- s32 ret_val;
-
- ret_val = e1000_check_for_link(hw);
- if ((ret_val == E1000_ERR_PHY) &&
- (hw->phy_type == e1000_phy_igp_3) &&
- (er32(CTRL) & E1000_PHY_CTRL_GBE_DISABLE)) {
- /* See e1000_kumeran_lock_loss_workaround() */
- DPRINTK(LINK, INFO,
- "Gigabit has been disabled, downgrading speed\n");
- }
- if (hw->mac_type == e1000_82573) {
- e1000_enable_tx_pkt_filtering(hw);
- if (adapter->mng_vlan_id != hw->mng_cookie.vlan_id)
- e1000_update_mng_vlan(adapter);
- }
+ e1000_check_for_link(hw);
if ((hw->media_type == e1000_media_type_internal_serdes) &&
!(er32(TXCW) & E1000_TXCW_ANE))
break;
}
- if ((hw->mac_type == e1000_82571 ||
- hw->mac_type == e1000_82572) &&
- !txb2b) {
- u32 tarc0;
- tarc0 = er32(TARC0);
- tarc0 &= ~(1 << 21);
- ew32(TARC0, tarc0);
- }
-
- /* disable TSO for pcie and 10/100 speeds, to avoid
- * some hardware issues */
- if (!adapter->tso_force &&
- hw->bus_type == e1000_bus_type_pci_express){
- switch (adapter->link_speed) {
- case SPEED_10:
- case SPEED_100:
- DPRINTK(PROBE,INFO,
- "10/100 speed: disabling TSO\n");
- netdev->features &= ~NETIF_F_TSO;
- netdev->features &= ~NETIF_F_TSO6;
- break;
- case SPEED_1000:
- netdev->features |= NETIF_F_TSO;
- netdev->features |= NETIF_F_TSO6;
- break;
- default:
- /* oops */
- break;
- }
- }
-
- /* enable transmits in the hardware, need to do this
- * after setting TARC0 */
+ /* enable transmits in the hardware */
tctl = er32(TCTL);
tctl |= E1000_TCTL_EN;
ew32(TCTL, tctl);
netif_carrier_on(netdev);
- mod_timer(&adapter->phy_info_timer, round_jiffies(jiffies + 2 * HZ));
+ mod_timer(&adapter->phy_info_timer,
+ round_jiffies(jiffies + 2 * HZ));
adapter->smartspeed = 0;
- } else {
- /* make sure the receive unit is started */
- if (hw->rx_needs_kicking) {
- u32 rctl = er32(RCTL);
- ew32(RCTL, rctl | E1000_RCTL_EN);
- }
}
} else {
if (netif_carrier_ok(netdev)) {
printk(KERN_INFO "e1000: %s NIC Link is Down\n",
netdev->name);
netif_carrier_off(netdev);
- mod_timer(&adapter->phy_info_timer, round_jiffies(jiffies + 2 * HZ));
-
- /* 80003ES2LAN workaround--
- * For packet buffer work-around on link down event;
- * disable receives in the ISR and
- * reset device here in the watchdog
- */
- if (hw->mac_type == e1000_80003es2lan)
- /* reset device */
- schedule_work(&adapter->reset_task);
+ mod_timer(&adapter->phy_info_timer,
+ round_jiffies(jiffies + 2 * HZ));
}
e1000_smartspeed(adapter);
/* Force detection of hung controller every watchdog period */
adapter->detect_tx_hung = true;
- /* With 82571 controllers, LAA may be overwritten due to controller
- * reset from the other port. Set the appropriate LAA in RAR[0] */
- if (hw->mac_type == e1000_82571 && hw->laa_is_present)
- e1000_rar_set(hw, hw->mac_addr, 0);
-
/* Reset the timer */
mod_timer(&adapter->watchdog_timer, round_jiffies(jiffies + 2 * HZ));
}
return 0;
}
-#define MINIMUM_DHCP_PACKET_SIZE 282
-static int e1000_transfer_dhcp_info(struct e1000_adapter *adapter,
- struct sk_buff *skb)
-{
- struct e1000_hw *hw = &adapter->hw;
- u16 length, offset;
- if (vlan_tx_tag_present(skb)) {
- if (!((vlan_tx_tag_get(skb) == hw->mng_cookie.vlan_id) &&
- ( hw->mng_cookie.status &
- E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) )
- return 0;
- }
- if (skb->len > MINIMUM_DHCP_PACKET_SIZE) {
- struct ethhdr *eth = (struct ethhdr *)skb->data;
- if ((htons(ETH_P_IP) == eth->h_proto)) {
- const struct iphdr *ip =
- (struct iphdr *)((u8 *)skb->data+14);
- if (IPPROTO_UDP == ip->protocol) {
- struct udphdr *udp =
- (struct udphdr *)((u8 *)ip +
- (ip->ihl << 2));
- if (ntohs(udp->dest) == 67) {
- offset = (u8 *)udp + 8 - skb->data;
- length = skb->len - offset;
-
- return e1000_mng_write_dhcp_info(hw,
- (u8 *)udp + 8,
- length);
- }
- }
- }
- }
- return 0;
-}
-
static int __e1000_maybe_stop_tx(struct net_device *netdev, int size)
{
struct e1000_adapter *adapter = netdev_priv(netdev);
return NETDEV_TX_OK;
}
- /* 82571 and newer doesn't need the workaround that limited descriptor
- * length to 4kB */
- if (hw->mac_type >= e1000_82571)
- max_per_txd = 8192;
-
mss = skb_shinfo(skb)->gso_size;
/* The controller does a simple calculation to
* make sure there is enough room in the FIFO before
max_per_txd = min(mss << 2, max_per_txd);
max_txd_pwr = fls(max_per_txd) - 1;
- /* TSO Workaround for 82571/2/3 Controllers -- if skb->data
- * points to just header, pull a few bytes of payload from
- * frags into skb->data */
hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
if (skb->data_len && hdr_len == len) {
switch (hw->mac_type) {
if ((unsigned long)(skb_tail_pointer(skb) - 1) & 4)
break;
/* fall through */
- case e1000_82571:
- case e1000_82572:
- case e1000_82573:
- case e1000_ich8lan:
pull_size = min((unsigned int)4, skb->data_len);
if (!__pskb_pull_tail(skb, pull_size)) {
DPRINTK(DRV, ERR,
if (adapter->pcix_82544)
count += nr_frags;
-
- if (hw->tx_pkt_filtering &&
- (hw->mac_type == e1000_82573))
- e1000_transfer_dhcp_info(adapter, skb);
-
/* need: count + 2 desc gap to keep tail from touching
* head, otherwise try next time */
if (unlikely(e1000_maybe_stop_tx(netdev, tx_ring, count + 2)))
} else if (likely(e1000_tx_csum(adapter, tx_ring, skb)))
tx_flags |= E1000_TX_FLAGS_CSUM;
- /* Old method was to assume IPv4 packet by default if TSO was enabled.
- * 82571 hardware supports TSO capabilities for IPv6 as well...
- * no longer assume, we must. */
if (likely(skb->protocol == htons(ETH_P_IP)))
tx_flags |= E1000_TX_FLAGS_IPV4;
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
int max_frame = new_mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE;
- u16 eeprom_data = 0;
if ((max_frame < MINIMUM_ETHERNET_FRAME_SIZE) ||
(max_frame > MAX_JUMBO_FRAME_SIZE)) {
/* Adapter-specific max frame size limits. */
switch (hw->mac_type) {
case e1000_undefined ... e1000_82542_rev2_1:
- case e1000_ich8lan:
if (max_frame > (ETH_FRAME_LEN + ETH_FCS_LEN)) {
DPRINTK(PROBE, ERR, "Jumbo Frames not supported.\n");
return -EINVAL;
}
break;
- case e1000_82573:
- /* Jumbo Frames not supported if:
- * - this is not an 82573L device
- * - ASPM is enabled in any way (0x1A bits 3:2) */
- e1000_read_eeprom(hw, EEPROM_INIT_3GIO_3, 1,
- &eeprom_data);
- if ((hw->device_id != E1000_DEV_ID_82573L) ||
- (eeprom_data & EEPROM_WORD1A_ASPM_MASK)) {
- if (max_frame > (ETH_FRAME_LEN + ETH_FCS_LEN)) {
- DPRINTK(PROBE, ERR,
- "Jumbo Frames not supported.\n");
- return -EINVAL;
- }
- break;
- }
- /* ERT will be enabled later to enable wire speed receives */
-
- /* fall through to get support */
- case e1000_82571:
- case e1000_82572:
- case e1000_80003es2lan:
-#define MAX_STD_JUMBO_FRAME_SIZE 9234
- if (max_frame > MAX_STD_JUMBO_FRAME_SIZE) {
- DPRINTK(PROBE, ERR, "MTU > 9216 not supported.\n");
- return -EINVAL;
- }
- break;
default:
/* Capable of supporting up to MAX_JUMBO_FRAME_SIZE limit. */
break;
adapter->stats.mprc += er32(MPRC);
adapter->stats.roc += er32(ROC);
- if (hw->mac_type != e1000_ich8lan) {
- adapter->stats.prc64 += er32(PRC64);
- adapter->stats.prc127 += er32(PRC127);
- adapter->stats.prc255 += er32(PRC255);
- adapter->stats.prc511 += er32(PRC511);
- adapter->stats.prc1023 += er32(PRC1023);
- adapter->stats.prc1522 += er32(PRC1522);
- }
+ adapter->stats.prc64 += er32(PRC64);
+ adapter->stats.prc127 += er32(PRC127);
+ adapter->stats.prc255 += er32(PRC255);
+ adapter->stats.prc511 += er32(PRC511);
+ adapter->stats.prc1023 += er32(PRC1023);
+ adapter->stats.prc1522 += er32(PRC1522);
adapter->stats.symerrs += er32(SYMERRS);
adapter->stats.mpc += er32(MPC);
adapter->stats.toth += er32(TOTH);
adapter->stats.tpr += er32(TPR);
- if (hw->mac_type != e1000_ich8lan) {
- adapter->stats.ptc64 += er32(PTC64);
- adapter->stats.ptc127 += er32(PTC127);
- adapter->stats.ptc255 += er32(PTC255);
- adapter->stats.ptc511 += er32(PTC511);
- adapter->stats.ptc1023 += er32(PTC1023);
- adapter->stats.ptc1522 += er32(PTC1522);
- }
+ adapter->stats.ptc64 += er32(PTC64);
+ adapter->stats.ptc127 += er32(PTC127);
+ adapter->stats.ptc255 += er32(PTC255);
+ adapter->stats.ptc511 += er32(PTC511);
+ adapter->stats.ptc1023 += er32(PTC1023);
+ adapter->stats.ptc1522 += er32(PTC1522);
adapter->stats.mptc += er32(MPTC);
adapter->stats.bptc += er32(BPTC);
adapter->stats.tsctc += er32(TSCTC);
adapter->stats.tsctfc += er32(TSCTFC);
}
- if (hw->mac_type > e1000_82547_rev_2) {
- adapter->stats.iac += er32(IAC);
- adapter->stats.icrxoc += er32(ICRXOC);
-
- if (hw->mac_type != e1000_ich8lan) {
- adapter->stats.icrxptc += er32(ICRXPTC);
- adapter->stats.icrxatc += er32(ICRXATC);
- adapter->stats.ictxptc += er32(ICTXPTC);
- adapter->stats.ictxatc += er32(ICTXATC);
- adapter->stats.ictxqec += er32(ICTXQEC);
- adapter->stats.ictxqmtc += er32(ICTXQMTC);
- adapter->stats.icrxdmtc += er32(ICRXDMTC);
- }
- }
/* Fill out the OS statistics structure */
adapter->net_stats.multicast = adapter->stats.mprc;
spin_unlock_irqrestore(&adapter->stats_lock, flags);
}
-/**
- * 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;
- u32 icr = er32(ICR);
-
- /* in NAPI mode read ICR disables interrupts using IAM */
-
- 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) &&
- (hw->mac_type == e1000_80003es2lan)) {
- /* disable receives */
- u32 rctl = er32(RCTL);
- ew32(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);
- }
-
- if (likely(napi_schedule_prep(&adapter->napi))) {
- adapter->total_tx_bytes = 0;
- adapter->total_tx_packets = 0;
- adapter->total_rx_bytes = 0;
- adapter->total_rx_packets = 0;
- __napi_schedule(&adapter->napi);
- } else
- e1000_irq_enable(adapter);
-
- return IRQ_HANDLED;
-}
-
/**
* e1000_intr - Interrupt Handler
* @irq: interrupt number
struct net_device *netdev = data;
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
- u32 rctl, icr = er32(ICR);
+ u32 icr = er32(ICR);
if (unlikely((!icr) || test_bit(__E1000_DOWN, &adapter->flags)))
return IRQ_NONE; /* Not our interrupt */
- /* 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 */
-
if (unlikely(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) &&
- (hw->mac_type == e1000_80003es2lan)) {
- /* disable receives */
- rctl = er32(RCTL);
- ew32(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);
}
- if (unlikely(hw->mac_type < e1000_82571)) {
- /* disable interrupts, without the synchronize_irq bit */
- ew32(IMC, ~0);
- E1000_WRITE_FLUSH();
- }
+ /* disable interrupts, without the synchronize_irq bit */
+ ew32(IMC, ~0);
+ E1000_WRITE_FLUSH();
+
if (likely(napi_schedule_prep(&adapter->napi))) {
adapter->total_tx_bytes = 0;
adapter->total_tx_packets = 0;
return;
}
/* TCP/UDP Checksum has not been calculated */
- if (hw->mac_type <= e1000_82547_rev_2) {
- if (!(status & E1000_RXD_STAT_TCPCS))
- return;
- } else {
- if (!(status & (E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS)))
- return;
- }
+ if (!(status & E1000_RXD_STAT_TCPCS))
+ return;
+
/* It must be a TCP or UDP packet with a valid checksum */
if (likely(status & E1000_RXD_STAT_TCPCS)) {
/* TCP checksum is good */
skb->ip_summed = CHECKSUM_UNNECESSARY;
- } else if (hw->mac_type > e1000_82547_rev_2) {
- /* IP fragment with UDP payload */
- /* Hardware complements the payload checksum, so we undo it
- * and then put the value in host order for further stack use.
- */
- __sum16 sum = (__force __sum16)htons(csum);
- skb->csum = csum_unfold(~sum);
- skb->ip_summed = CHECKSUM_COMPLETE;
}
adapter->hw_csum_good++;
}
ctrl |= E1000_CTRL_VME;
ew32(CTRL, ctrl);
- if (adapter->hw.mac_type != e1000_ich8lan) {
- /* enable VLAN receive filtering */
- rctl = er32(RCTL);
- rctl &= ~E1000_RCTL_CFIEN;
- if (!(netdev->flags & IFF_PROMISC))
- rctl |= E1000_RCTL_VFE;
- ew32(RCTL, rctl);
- e1000_update_mng_vlan(adapter);
- }
+ /* enable VLAN receive filtering */
+ rctl = er32(RCTL);
+ rctl &= ~E1000_RCTL_CFIEN;
+ if (!(netdev->flags & IFF_PROMISC))
+ rctl |= E1000_RCTL_VFE;
+ ew32(RCTL, rctl);
+ e1000_update_mng_vlan(adapter);
} else {
/* disable VLAN tag insert/strip */
ctrl = er32(CTRL);
ctrl &= ~E1000_CTRL_VME;
ew32(CTRL, ctrl);
- if (adapter->hw.mac_type != e1000_ich8lan) {
- /* disable VLAN receive filtering */
- rctl = er32(RCTL);
- rctl &= ~E1000_RCTL_VFE;
- ew32(RCTL, rctl);
+ /* disable VLAN receive filtering */
+ rctl = er32(RCTL);
+ rctl &= ~E1000_RCTL_VFE;
+ ew32(RCTL, rctl);
- if (adapter->mng_vlan_id !=
- (u16)E1000_MNG_VLAN_NONE) {
- e1000_vlan_rx_kill_vid(netdev,
- adapter->mng_vlan_id);
- adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
- }
+ if (adapter->mng_vlan_id != (u16)E1000_MNG_VLAN_NONE) {
+ e1000_vlan_rx_kill_vid(netdev,
+ adapter->mng_vlan_id);
+ adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;
}
}
if (!test_bit(__E1000_DOWN, &adapter->flags))
e1000_irq_enable(adapter);
- if ((hw->mng_cookie.status &
- E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) &&
- (vid == adapter->mng_vlan_id)) {
- /* release control to f/w */
- e1000_release_hw_control(adapter);
- return;
- }
-
/* remove VID from filter table */
index = (vid >> 5) & 0x7F;
vfta = E1000_READ_REG_ARRAY(hw, VFTA, index);
}
if (hw->media_type == e1000_media_type_fiber ||
- hw->media_type == e1000_media_type_internal_serdes) {
+ hw->media_type == e1000_media_type_internal_serdes) {
/* keep the laser running in D3 */
ctrl_ext = er32(CTRL_EXT);
ctrl_ext |= E1000_CTRL_EXT_SDP7_DATA;
ew32(CTRL_EXT, ctrl_ext);
}
- /* Allow time for pending master requests to run */
- e1000_disable_pciex_master(hw);
-
ew32(WUC, E1000_WUC_PME_EN);
ew32(WUFC, wufc);
} else {
if (adapter->en_mng_pt)
*enable_wake = true;
- if (hw->phy_type == e1000_phy_igp_3)
- e1000_phy_powerdown_workaround(hw);
-
if (netif_running(netdev))
e1000_free_irq(adapter);
- /* Release control of h/w to f/w. If f/w is AMT enabled, this
- * would have already happened in close and is redundant. */
- e1000_release_hw_control(adapter);
-
pci_disable_device(pdev);
return 0;
netif_device_attach(netdev);
- /* 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 (hw->mac_type != e1000_82573 ||
- !e1000_check_mng_mode(hw))
- e1000_get_hw_control(adapter);
-
return 0;
}
#endif
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct e1000_adapter *adapter = netdev_priv(netdev);
- struct e1000_hw *hw = &adapter->hw;
e1000_init_manageability(adapter);
}
netif_device_attach(netdev);
-
- /* 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 (hw->mac_type != e1000_82573 ||
- !e1000_check_mng_mode(hw))
- e1000_get_hw_control(adapter);
-
}
/* e1000_main.c */
git.openpandora.org / pandora-kernel.git / blobdiff