diff options
Diffstat (limited to 'drivers/net/e1000/e1000_main.c')
| -rw-r--r-- | drivers/net/e1000/e1000_main.c | 1986 |
1 files changed, 739 insertions, 1247 deletions
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 59579b1d884..fac82152e4c 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -31,12 +31,7 @@ char e1000_driver_name[] = "e1000"; static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver"; -#ifndef CONFIG_E1000_NAPI -#define DRIVERNAPI -#else -#define DRIVERNAPI "-NAPI" -#endif -#define DRV_VERSION "7.3.20-k2"DRIVERNAPI +#define DRV_VERSION "7.3.20-k3-NAPI" const char e1000_driver_version[] = DRV_VERSION; static const char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation."; @@ -47,12 +42,6 @@ static const char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation * Macro expands to... * {PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)} */ -#ifdef CONFIG_E1000E_ENABLED - #define PCIE(x) -#else - #define PCIE(x) x, -#endif - static struct pci_device_id e1000_pci_tbl[] = { INTEL_E1000_ETHERNET_DEVICE(0x1000), INTEL_E1000_ETHERNET_DEVICE(0x1001), @@ -79,14 +68,6 @@ static struct pci_device_id e1000_pci_tbl[] = { INTEL_E1000_ETHERNET_DEVICE(0x1026), INTEL_E1000_ETHERNET_DEVICE(0x1027), INTEL_E1000_ETHERNET_DEVICE(0x1028), -PCIE( INTEL_E1000_ETHERNET_DEVICE(0x1049)) -PCIE( INTEL_E1000_ETHERNET_DEVICE(0x104A)) -PCIE( INTEL_E1000_ETHERNET_DEVICE(0x104B)) -PCIE( INTEL_E1000_ETHERNET_DEVICE(0x104C)) -PCIE( INTEL_E1000_ETHERNET_DEVICE(0x104D)) -PCIE( INTEL_E1000_ETHERNET_DEVICE(0x105E)) -PCIE( INTEL_E1000_ETHERNET_DEVICE(0x105F)) -PCIE( INTEL_E1000_ETHERNET_DEVICE(0x1060)) INTEL_E1000_ETHERNET_DEVICE(0x1075), INTEL_E1000_ETHERNET_DEVICE(0x1076), INTEL_E1000_ETHERNET_DEVICE(0x1077), @@ -95,28 +76,9 @@ PCIE( INTEL_E1000_ETHERNET_DEVICE(0x1060)) INTEL_E1000_ETHERNET_DEVICE(0x107A), INTEL_E1000_ETHERNET_DEVICE(0x107B), INTEL_E1000_ETHERNET_DEVICE(0x107C), -PCIE( INTEL_E1000_ETHERNET_DEVICE(0x107D)) -PCIE( INTEL_E1000_ETHERNET_DEVICE(0x107E)) -PCIE( INTEL_E1000_ETHERNET_DEVICE(0x107F)) INTEL_E1000_ETHERNET_DEVICE(0x108A), -PCIE( INTEL_E1000_ETHERNET_DEVICE(0x108B)) -PCIE( INTEL_E1000_ETHERNET_DEVICE(0x108C)) -PCIE( INTEL_E1000_ETHERNET_DEVICE(0x1096)) -PCIE( INTEL_E1000_ETHERNET_DEVICE(0x1098)) INTEL_E1000_ETHERNET_DEVICE(0x1099), -PCIE( INTEL_E1000_ETHERNET_DEVICE(0x109A)) -PCIE( INTEL_E1000_ETHERNET_DEVICE(0x10A4)) -PCIE( INTEL_E1000_ETHERNET_DEVICE(0x10A5)) INTEL_E1000_ETHERNET_DEVICE(0x10B5), -PCIE( INTEL_E1000_ETHERNET_DEVICE(0x10B9)) -PCIE( INTEL_E1000_ETHERNET_DEVICE(0x10BA)) -PCIE( INTEL_E1000_ETHERNET_DEVICE(0x10BB)) -PCIE( INTEL_E1000_ETHERNET_DEVICE(0x10BC)) -PCIE( INTEL_E1000_ETHERNET_DEVICE(0x10C4)) -PCIE( INTEL_E1000_ETHERNET_DEVICE(0x10C5)) -PCIE( INTEL_E1000_ETHERNET_DEVICE(0x10D5)) -PCIE( INTEL_E1000_ETHERNET_DEVICE(0x10D9)) -PCIE( INTEL_E1000_ETHERNET_DEVICE(0x10DA)) /* required last entry */ {0,} }; @@ -171,26 +133,13 @@ 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); -#ifdef CONFIG_E1000_NAPI static int e1000_clean(struct napi_struct *napi, int budget); static bool e1000_clean_rx_irq(struct e1000_adapter *adapter, struct e1000_rx_ring *rx_ring, int *work_done, int work_to_do); -static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter, - struct e1000_rx_ring *rx_ring, - int *work_done, int work_to_do); -#else -static bool e1000_clean_rx_irq(struct e1000_adapter *adapter, - struct e1000_rx_ring *rx_ring); -static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter, - struct e1000_rx_ring *rx_ring); -#endif static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter, struct e1000_rx_ring *rx_ring, int cleaned_count); -static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter, - struct e1000_rx_ring *rx_ring, - int cleaned_count); 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); @@ -265,8 +214,7 @@ MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); * loaded. All it does is register with the PCI subsystem. **/ -static int __init -e1000_init_module(void) +static int __init e1000_init_module(void) { int ret; printk(KERN_INFO "%s - version %s\n", @@ -294,8 +242,7 @@ module_init(e1000_init_module); * from memory. **/ -static void __exit -e1000_exit_module(void) +static void __exit e1000_exit_module(void) { pci_unregister_driver(&e1000_driver); } @@ -304,12 +251,13 @@ module_exit(e1000_exit_module); 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 (adapter->hw.mac_type >= e1000_82571) { + if (hw->mac_type >= e1000_82571) { adapter->have_msi = !pci_enable_msi(adapter->pdev); if (adapter->have_msi) { handler = e1000_intr_msi; @@ -344,11 +292,12 @@ static void e1000_free_irq(struct e1000_adapter *adapter) * @adapter: board private structure **/ -static void -e1000_irq_disable(struct e1000_adapter *adapter) +static void e1000_irq_disable(struct e1000_adapter *adapter) { - E1000_WRITE_REG(&adapter->hw, IMC, ~0); - E1000_WRITE_FLUSH(&adapter->hw); + struct e1000_hw *hw = &adapter->hw; + + ew32(IMC, ~0); + E1000_WRITE_FLUSH(); synchronize_irq(adapter->pdev->irq); } @@ -357,22 +306,23 @@ e1000_irq_disable(struct e1000_adapter *adapter) * @adapter: board private structure **/ -static void -e1000_irq_enable(struct e1000_adapter *adapter) +static void e1000_irq_enable(struct e1000_adapter *adapter) { - E1000_WRITE_REG(&adapter->hw, IMS, IMS_ENABLE_MASK); - E1000_WRITE_FLUSH(&adapter->hw); + struct e1000_hw *hw = &adapter->hw; + + ew32(IMS, IMS_ENABLE_MASK); + E1000_WRITE_FLUSH(); } -static void -e1000_update_mng_vlan(struct e1000_adapter *adapter) +static void e1000_update_mng_vlan(struct e1000_adapter *adapter) { + struct e1000_hw *hw = &adapter->hw; struct net_device *netdev = adapter->netdev; - u16 vid = adapter->hw.mng_cookie.vlan_id; + u16 vid = hw->mng_cookie.vlan_id; u16 old_vid = adapter->mng_vlan_id; if (adapter->vlgrp) { if (!vlan_group_get_device(adapter->vlgrp, vid)) { - if (adapter->hw.mng_cookie.status & + if (hw->mng_cookie.status & E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) { e1000_vlan_rx_add_vid(netdev, vid); adapter->mng_vlan_id = vid; @@ -399,26 +349,24 @@ e1000_update_mng_vlan(struct e1000_adapter *adapter) * **/ -static void -e1000_release_hw_control(struct e1000_adapter *adapter) +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 (adapter->hw.mac_type) { + switch (hw->mac_type) { case e1000_82573: - swsm = E1000_READ_REG(&adapter->hw, SWSM); - E1000_WRITE_REG(&adapter->hw, SWSM, - swsm & ~E1000_SWSM_DRV_LOAD); + 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 = E1000_READ_REG(&adapter->hw, CTRL_EXT); - E1000_WRITE_REG(&adapter->hw, CTRL_EXT, - ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD); + ctrl_ext = er32(CTRL_EXT); + ew32(CTRL_EXT, ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD); break; default: break; @@ -436,37 +384,36 @@ e1000_release_hw_control(struct e1000_adapter *adapter) * **/ -static void -e1000_get_hw_control(struct e1000_adapter *adapter) +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 (adapter->hw.mac_type) { + switch (hw->mac_type) { case e1000_82573: - swsm = E1000_READ_REG(&adapter->hw, SWSM); - E1000_WRITE_REG(&adapter->hw, SWSM, - swsm | E1000_SWSM_DRV_LOAD); + 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 = E1000_READ_REG(&adapter->hw, CTRL_EXT); - E1000_WRITE_REG(&adapter->hw, CTRL_EXT, - ctrl_ext | E1000_CTRL_EXT_DRV_LOAD); + 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) +static void e1000_init_manageability(struct e1000_adapter *adapter) { + struct e1000_hw *hw = &adapter->hw; + if (adapter->en_mng_pt) { - u32 manc = E1000_READ_REG(&adapter->hw, MANC); + u32 manc = er32(MANC); /* disable hardware interception of ARP */ manc &= ~(E1000_MANC_ARP_EN); @@ -474,37 +421,38 @@ e1000_init_manageability(struct e1000_adapter *adapter) /* 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) { - u32 manc2h = E1000_READ_REG(&adapter->hw, MANC2H); + 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; - E1000_WRITE_REG(&adapter->hw, MANC2H, manc2h); + ew32(MANC2H, manc2h); } - E1000_WRITE_REG(&adapter->hw, MANC, manc); + ew32(MANC, manc); } } -static void -e1000_release_manageability(struct e1000_adapter *adapter) +static void e1000_release_manageability(struct e1000_adapter *adapter) { + struct e1000_hw *hw = &adapter->hw; + if (adapter->en_mng_pt) { - u32 manc = E1000_READ_REG(&adapter->hw, MANC); + u32 manc = er32(MANC); /* re-enable hardware interception of ARP */ manc |= E1000_MANC_ARP_EN; - if (adapter->hw.has_manc2h) + 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 */ - E1000_WRITE_REG(&adapter->hw, MANC, manc); + ew32(MANC, manc); } } @@ -539,18 +487,19 @@ static void e1000_configure(struct e1000_adapter *adapter) int e1000_up(struct e1000_adapter *adapter) { + struct e1000_hw *hw = &adapter->hw; + /* hardware has been reset, we need to reload some things */ e1000_configure(adapter); clear_bit(__E1000_DOWN, &adapter->flags); -#ifdef CONFIG_E1000_NAPI napi_enable(&adapter->napi); -#endif + e1000_irq_enable(adapter); /* fire a link change interrupt to start the watchdog */ - E1000_WRITE_REG(&adapter->hw, ICS, E1000_ICS_LSC); + ew32(ICS, E1000_ICS_LSC); return 0; } @@ -566,30 +515,33 @@ int e1000_up(struct e1000_adapter *adapter) void e1000_power_up_phy(struct e1000_adapter *adapter) { + struct e1000_hw *hw = &adapter->hw; u16 mii_reg = 0; /* Just clear the power down bit to wake the phy back up */ - if (adapter->hw.media_type == e1000_media_type_copper) { + if (hw->media_type == e1000_media_type_copper) { /* according to the manual, the phy will retain its * settings across a power-down/up cycle */ - e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &mii_reg); + e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg); mii_reg &= ~MII_CR_POWER_DOWN; - e1000_write_phy_reg(&adapter->hw, PHY_CTRL, mii_reg); + e1000_write_phy_reg(hw, PHY_CTRL, mii_reg); } } static void e1000_power_down_phy(struct e1000_adapter *adapter) { + struct e1000_hw *hw = &adapter->hw; + /* Power down the PHY so no link is implied when interface is down * * The PHY cannot be powered down if any of the following is true * * (a) WoL is enabled * (b) AMT is active * (c) SoL/IDER session is active */ - if (!adapter->wol && adapter->hw.mac_type >= e1000_82540 && - adapter->hw.media_type == e1000_media_type_copper) { + if (!adapter->wol && hw->mac_type >= e1000_82540 && + hw->media_type == e1000_media_type_copper) { u16 mii_reg = 0; - switch (adapter->hw.mac_type) { + switch (hw->mac_type) { case e1000_82540: case e1000_82545: case e1000_82545_rev_3: @@ -599,8 +551,7 @@ static void e1000_power_down_phy(struct e1000_adapter *adapter) case e1000_82541_rev_2: case e1000_82547: case e1000_82547_rev_2: - if (E1000_READ_REG(&adapter->hw, MANC) & - E1000_MANC_SMBUS_EN) + if (er32(MANC) & E1000_MANC_SMBUS_EN) goto out; break; case e1000_82571: @@ -608,24 +559,23 @@ static void e1000_power_down_phy(struct e1000_adapter *adapter) case e1000_82573: case e1000_80003es2lan: case e1000_ich8lan: - if (e1000_check_mng_mode(&adapter->hw) || - e1000_check_phy_reset_block(&adapter->hw)) + if (e1000_check_mng_mode(hw) || + e1000_check_phy_reset_block(hw)) goto out; break; default: goto out; } - e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &mii_reg); + e1000_read_phy_reg(hw, PHY_CTRL, &mii_reg); mii_reg |= MII_CR_POWER_DOWN; - e1000_write_phy_reg(&adapter->hw, PHY_CTRL, mii_reg); + e1000_write_phy_reg(hw, PHY_CTRL, mii_reg); mdelay(1); } out: return; } -void -e1000_down(struct e1000_adapter *adapter) +void e1000_down(struct e1000_adapter *adapter) { struct net_device *netdev = adapter->netdev; @@ -633,9 +583,8 @@ e1000_down(struct e1000_adapter *adapter) * reschedule our watchdog timer */ set_bit(__E1000_DOWN, &adapter->flags); -#ifdef CONFIG_E1000_NAPI napi_disable(&adapter->napi); -#endif + e1000_irq_disable(adapter); del_timer_sync(&adapter->tx_fifo_stall_timer); @@ -653,8 +602,7 @@ e1000_down(struct e1000_adapter *adapter) e1000_clean_all_rx_rings(adapter); } -void -e1000_reinit_locked(struct e1000_adapter *adapter) +void e1000_reinit_locked(struct e1000_adapter *adapter) { WARN_ON(in_interrupt()); while (test_and_set_bit(__E1000_RESETTING, &adapter->flags)) @@ -664,9 +612,9 @@ e1000_reinit_locked(struct e1000_adapter *adapter) clear_bit(__E1000_RESETTING, &adapter->flags); } -void -e1000_reset(struct e1000_adapter *adapter) +void e1000_reset(struct e1000_adapter *adapter) { + struct e1000_hw *hw = &adapter->hw; u32 pba = 0, tx_space, min_tx_space, min_rx_space; u16 fc_high_water_mark = E1000_FC_HIGH_DIFF; bool legacy_pba_adjust = false; @@ -675,7 +623,7 @@ e1000_reset(struct e1000_adapter *adapter) * To take effect CTRL.RST is required. */ - switch (adapter->hw.mac_type) { + switch (hw->mac_type) { case e1000_82542_rev2_0: case e1000_82542_rev2_1: case e1000_82543: @@ -716,16 +664,16 @@ e1000_reset(struct e1000_adapter *adapter) if (adapter->netdev->mtu > E1000_RXBUFFER_8192) pba -= 8; /* allocate more FIFO for Tx */ - if (adapter->hw.mac_type == e1000_82547) { + if (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) { + } else if (hw->max_frame_size > MAXIMUM_ETHERNET_FRAME_SIZE) { /* adjust PBA for jumbo frames */ - E1000_WRITE_REG(&adapter->hw, PBA, pba); + ew32(PBA, pba); /* To maintain wire speed transmits, the Tx FIFO should be * large enough to accomodate two full transmit packets, @@ -733,7 +681,7 @@ e1000_reset(struct e1000_adapter *adapter) * 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); + pba = er32(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 */ @@ -756,7 +704,7 @@ e1000_reset(struct e1000_adapter *adapter) pba = pba - (min_tx_space - tx_space); /* PCI/PCIx hardware has PBA alignment constraints */ - switch (adapter->hw.mac_type) { + switch (hw->mac_type) { case e1000_82545 ... e1000_82546_rev_3: pba &= ~(E1000_PBA_8K - 1); break; @@ -767,7 +715,7 @@ e1000_reset(struct e1000_adapter *adapter) /* 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) { + switch (hw->mac_type) { case e1000_82573: /* ERT enabled in e1000_configure_rx */ break; @@ -779,7 +727,7 @@ e1000_reset(struct e1000_adapter *adapter) } } - E1000_WRITE_REG(&adapter->hw, PBA, pba); + ew32(PBA, pba); /* flow control settings */ /* Set the FC high water mark to 90% of the FIFO size. @@ -792,54 +740,54 @@ e1000_reset(struct e1000_adapter *adapter) if (pba < E1000_PBA_16K) fc_high_water_mark = (pba * 1024) - 1600; - adapter->hw.fc_high_water = fc_high_water_mark; - adapter->hw.fc_low_water = fc_high_water_mark - 8; - if (adapter->hw.mac_type == e1000_80003es2lan) - adapter->hw.fc_pause_time = 0xFFFF; + hw->fc_high_water = fc_high_water_mark; + hw->fc_low_water = fc_high_water_mark - 8; + if (hw->mac_type == e1000_80003es2lan) + hw->fc_pause_time = 0xFFFF; else - adapter->hw.fc_pause_time = E1000_FC_PAUSE_TIME; - adapter->hw.fc_send_xon = 1; - adapter->hw.fc = adapter->hw.original_fc; + hw->fc_pause_time = E1000_FC_PAUSE_TIME; + hw->fc_send_xon = 1; + hw->fc = hw->original_fc; /* Allow time for pending master requests to run */ - e1000_reset_hw(&adapter->hw); - if (adapter->hw.mac_type >= e1000_82544) - E1000_WRITE_REG(&adapter->hw, WUC, 0); + e1000_reset_hw(hw); + if (hw->mac_type >= e1000_82544) + ew32(WUC, 0); - if (e1000_init_hw(&adapter->hw)) + if (e1000_init_hw(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) { - u32 ctrl = E1000_READ_REG(&adapter->hw, CTRL); + 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); /* 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); + ew32(CTRL, ctrl); } /* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */ - E1000_WRITE_REG(&adapter->hw, VET, ETHERNET_IEEE_VLAN_TYPE); + ew32(VET, ETHERNET_IEEE_VLAN_TYPE); - e1000_reset_adaptive(&adapter->hw); - e1000_phy_get_info(&adapter->hw, &adapter->phy_info); + e1000_reset_adaptive(hw); + e1000_phy_get_info(hw, &adapter->phy_info); if (!adapter->smart_power_down && - (adapter->hw.mac_type == e1000_82571 || - adapter->hw.mac_type == e1000_82572)) { + (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(&adapter->hw, IGP02E1000_PHY_POWER_MGMT, + e1000_read_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT, &phy_data); phy_data &= ~IGP02E1000_PM_SPD; - e1000_write_phy_reg(&adapter->hw, IGP02E1000_PHY_POWER_MGMT, + e1000_write_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT, phy_data); } @@ -898,13 +846,49 @@ static void e1000_dump_eeprom(struct e1000_adapter *adapter) printk(KERN_ERR "to enable this network device.\n"); printk(KERN_ERR "Please inspect the EEPROM dump and report the issue " "to your hardware vendor\n"); - printk(KERN_ERR "or Intel Customer Support: linux-nics@intel.com\n"); + printk(KERN_ERR "or Intel Customer Support.\n"); printk(KERN_ERR "/*********************/\n"); kfree(data); } /** + * e1000_is_need_ioport - determine if an adapter needs ioport resources or not + * @pdev: PCI device information struct + * + * Return true if an adapter needs ioport resources + **/ +static int e1000_is_need_ioport(struct pci_dev *pdev) +{ + switch (pdev->device) { + case E1000_DEV_ID_82540EM: + case E1000_DEV_ID_82540EM_LOM: + case E1000_DEV_ID_82540EP: + case E1000_DEV_ID_82540EP_LOM: + case E1000_DEV_ID_82540EP_LP: + case E1000_DEV_ID_82541EI: + case E1000_DEV_ID_82541EI_MOBILE: + case E1000_DEV_ID_82541ER: + case E1000_DEV_ID_82541ER_LOM: + case E1000_DEV_ID_82541GI: + case E1000_DEV_ID_82541GI_LF: + case E1000_DEV_ID_82541GI_MOBILE: + case E1000_DEV_ID_82544EI_COPPER: + case E1000_DEV_ID_82544EI_FIBER: + case E1000_DEV_ID_82544GC_COPPER: + case E1000_DEV_ID_82544GC_LOM: + case E1000_DEV_ID_82545EM_COPPER: + case E1000_DEV_ID_82545EM_FIBER: + case E1000_DEV_ID_82546EB_COPPER: + case E1000_DEV_ID_82546EB_FIBER: + case E1000_DEV_ID_82546EB_QUAD_COPPER: + return true; + default: + return false; + } +} + +/** * e1000_probe - Device Initialization Routine * @pdev: PCI device information struct * @ent: entry in e1000_pci_tbl @@ -915,37 +899,51 @@ static void e1000_dump_eeprom(struct e1000_adapter *adapter) * The OS initialization, configuring of the adapter private structure, * and a hardware reset occur. **/ - -static int __devinit -e1000_probe(struct pci_dev *pdev, - const struct pci_device_id *ent) +static int __devinit e1000_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) { struct net_device *netdev; struct e1000_adapter *adapter; + struct e1000_hw *hw; static int cards_found = 0; static int global_quad_port_a = 0; /* global ksp3 port a indication */ int i, err, pci_using_dac; u16 eeprom_data = 0; u16 eeprom_apme_mask = E1000_EEPROM_APME; + int bars, need_ioport; DECLARE_MAC_BUF(mac); - if ((err = pci_enable_device(pdev))) + /* do not allocate ioport bars when not needed */ + need_ioport = e1000_is_need_ioport(pdev); + if (need_ioport) { + bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO); + err = pci_enable_device(pdev); + } else { + bars = pci_select_bars(pdev, IORESOURCE_MEM); + err = pci_enable_device(pdev); + } + if (err) return err; - if (!(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK)) && - !(err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK))) { + if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK) && + !pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK)) { pci_using_dac = 1; } else { - if ((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) && - (err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))) { - E1000_ERR("No usable DMA configuration, aborting\n"); - goto err_dma; + err = pci_set_dma_mask(pdev, DMA_32BIT_MASK); + if (err) { + err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK); + if (err) { + E1000_ERR("No usable DMA configuration, " + "aborting\n"); + goto err_dma; + } } pci_using_dac = 0; } - if ((err = pci_request_regions(pdev, e1000_driver_name))) + err = pci_request_selected_regions(pdev, bars, e1000_driver_name); + if (err) goto err_pci_reg; pci_set_master(pdev); @@ -961,21 +959,27 @@ e1000_probe(struct pci_dev *pdev, adapter = netdev_priv(netdev); adapter->netdev = netdev; adapter->pdev = pdev; - adapter->hw.back = adapter; adapter->msg_enable = (1 << debug) - 1; + adapter->bars = bars; + adapter->need_ioport = need_ioport; + + hw = &adapter->hw; + hw->back = adapter; err = -EIO; - adapter->hw.hw_addr = ioremap(pci_resource_start(pdev, BAR_0), - pci_resource_len(pdev, BAR_0)); - if (!adapter->hw.hw_addr) + hw->hw_addr = ioremap(pci_resource_start(pdev, BAR_0), + pci_resource_len(pdev, BAR_0)); + if (!hw->hw_addr) goto err_ioremap; - for (i = BAR_1; i <= BAR_5; i++) { - if (pci_resource_len(pdev, i) == 0) - continue; - if (pci_resource_flags(pdev, i) & IORESOURCE_IO) { - adapter->hw.io_base = pci_resource_start(pdev, i); - break; + if (adapter->need_ioport) { + for (i = BAR_1; i <= BAR_5; i++) { + if (pci_resource_len(pdev, i) == 0) + continue; + if (pci_resource_flags(pdev, i) & IORESOURCE_IO) { + hw->io_base = pci_resource_start(pdev, i); + break; + } } } @@ -990,9 +994,7 @@ e1000_probe(struct pci_dev *pdev, e1000_set_ethtool_ops(netdev); netdev->tx_timeout = &e1000_tx_timeout; netdev->watchdog_timeo = 5 * HZ; -#ifdef CONFIG_E1000_NAPI netif_napi_add(netdev, &adapter->napi, e1000_clean, 64); -#endif netdev->vlan_rx_register = e1000_vlan_rx_register; netdev->vlan_rx_add_vid = e1000_vlan_rx_add_vid; netdev->vlan_rx_kill_vid = e1000_vlan_rx_kill_vid; @@ -1005,49 +1007,55 @@ e1000_probe(struct pci_dev *pdev, /* setup the private structure */ - if ((err = e1000_sw_init(adapter))) + err = e1000_sw_init(adapter); + if (err) goto err_sw_init; err = -EIO; /* Flash BAR mapping must happen after e1000_sw_init * because it depends on mac_type */ - if ((adapter->hw.mac_type == e1000_ich8lan) && + if ((hw->mac_type == e1000_ich8lan) && (pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) { - adapter->hw.flash_address = + hw->flash_address = ioremap(pci_resource_start(pdev, 1), pci_resource_len(pdev, 1)); - if (!adapter->hw.flash_address) + if (!hw->flash_address) goto err_flashmap; } - if (e1000_check_phy_reset_block(&adapter->hw)) + if (e1000_check_phy_reset_block(hw)) DPRINTK(PROBE, INFO, "PHY reset is blocked due to SOL/IDER session.\n"); - if (adapter->hw.mac_type >= e1000_82543) { + if (hw->mac_type >= e1000_82543) { netdev->features = NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER; - if (adapter->hw.mac_type == e1000_ich8lan) + if (hw->mac_type == e1000_ich8lan) netdev->features &= ~NETIF_F_HW_VLAN_FILTER; } - if ((adapter->hw.mac_type >= e1000_82544) && - (adapter->hw.mac_type != e1000_82547)) + if ((hw->mac_type >= e1000_82544) && + (hw->mac_type != e1000_82547)) netdev->features |= NETIF_F_TSO; - if (adapter->hw.mac_type > e1000_82547_rev_2) + if (hw->mac_type > e1000_82547_rev_2) netdev->features |= NETIF_F_TSO6; if (pci_using_dac) netdev->features |= NETIF_F_HIGHDMA; netdev->features |= NETIF_F_LLTX; - adapter->en_mng_pt = e1000_enable_mng_pass_thru(&adapter->hw); + 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; + + adapter->en_mng_pt = e1000_enable_mng_pass_thru(hw); /* initialize eeprom parameters */ - if (e1000_init_eeprom_params(&adapter->hw)) { + if (e1000_init_eeprom_params(hw)) { E1000_ERR("EEPROM initialization failed\n"); goto err_eeprom; } @@ -1055,10 +1063,10 @@ e1000_probe(struct pci_dev *pdev, /* before reading the EEPROM, reset the controller to * put the device in a known good starting state */ - e1000_reset_hw(&adapter->hw); + e1000_reset_hw(hw); /* make sure the EEPROM is good */ - if (e1000_validate_eeprom_checksum(&adapter->hw) < 0) { + if (e1000_validate_eeprom_checksum(hw) < 0) { DPRINTK(PROBE, ERR, "The EEPROM Checksum Is Not Valid\n"); e1000_dump_eeprom(adapter); /* @@ -1069,24 +1077,24 @@ e1000_probe(struct pci_dev *pdev, * interface after manually setting a hw addr using * `ip set address` */ - memset(adapter->hw.mac_addr, 0, netdev->addr_len); + memset(hw->mac_addr, 0, netdev->addr_len); } else { /* copy the MAC address out of the EEPROM */ - if (e1000_read_mac_addr(&adapter->hw)) + if (e1000_read_mac_addr(hw)) DPRINTK(PROBE, ERR, "EEPROM Read Error\n"); } /* don't block initalization here due to bad MAC address */ - memcpy(netdev->dev_addr, adapter->hw.mac_addr, netdev->addr_len); - memcpy(netdev->perm_addr, adapter->hw.mac_addr, netdev->addr_len); + 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"); - e1000_get_bus_info(&adapter->hw); + e1000_get_bus_info(hw); init_timer(&adapter->tx_fifo_stall_timer); adapter->tx_fifo_stall_timer.function = &e1000_82547_tx_fifo_stall; - adapter->tx_fifo_stall_timer.data = (unsigned long) adapter; + adapter->tx_fifo_stall_timer.data = (unsigned long)adapter; init_timer(&adapter->watchdog_timer); adapter->watchdog_timer.function = &e1000_watchdog; @@ -1094,7 +1102,7 @@ e1000_probe(struct pci_dev *pdev, init_timer(&adapter->phy_info_timer); adapter->phy_info_timer.function = &e1000_update_phy_info; - adapter->phy_info_timer.data = (unsigned long) adapter; + adapter->phy_info_timer.data = (unsigned long)adapter; INIT_WORK(&adapter->reset_task, e1000_reset_task); @@ -1105,18 +1113,18 @@ e1000_probe(struct pci_dev *pdev, * enable the ACPI Magic Packet filter */ - switch (adapter->hw.mac_type) { + switch (hw->mac_type) { case e1000_82542_rev2_0: case e1000_82542_rev2_1: case e1000_82543: break; case e1000_82544: - e1000_read_eeprom(&adapter->hw, + e1000_read_eeprom(hw, EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data); eeprom_apme_mask = E1000_EEPROM_82544_APM; break; case e1000_ich8lan: - e1000_read_eeprom(&adapter->hw, + e1000_read_eeprom(hw, EEPROM_INIT_CONTROL1_REG, 1, &eeprom_data); eeprom_apme_mask = E1000_EEPROM_ICH8_APME; break; @@ -1124,14 +1132,14 @@ e1000_probe(struct pci_dev *pdev, case e1000_82546_rev_3: case e1000_82571: case e1000_80003es2lan: - if (E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_FUNC_1){ - e1000_read_eeprom(&adapter->hw, + if (er32(STATUS) & E1000_STATUS_FUNC_1){ + e1000_read_eeprom(hw, EEPROM_INIT_CONTROL3_PORT_B, 1, &eeprom_data); break; } /* Fall Through */ default: - e1000_read_eeprom(&adapter->hw, + e1000_read_eeprom(hw, EEPROM_INIT_CONTROL3_PORT_A, 1, &eeprom_data); break; } @@ -1150,7 +1158,7 @@ e1000_probe(struct pci_dev *pdev, case E1000_DEV_ID_82571EB_FIBER: /* Wake events only supported on port A for dual fiber * regardless of eeprom setting */ - if (E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_FUNC_1) + if (er32(STATUS) & E1000_STATUS_FUNC_1) adapter->eeprom_wol = 0; break; case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3: @@ -1173,8 +1181,6 @@ e1000_probe(struct pci_dev *pdev, adapter->wol = adapter->eeprom_wol; /* print bus type/speed/width info */ - { - struct e1000_hw *hw = &adapter->hw; DPRINTK(PROBE, INFO, "(PCI%s:%s:%s) ", ((hw->bus_type == e1000_bus_type_pcix) ? "-X" : (hw->bus_type == e1000_bus_type_pci_express ? " Express":"")), @@ -1187,11 +1193,10 @@ e1000_probe(struct pci_dev *pdev, (hw->bus_width == e1000_bus_width_pciex_4) ? "Width x4" : (hw->bus_width == e1000_bus_width_pciex_1) ? "Width x1" : "32-bit")); - } printk("%s\n", print_mac(mac, netdev->dev_addr)); - if (adapter->hw.bus_type == e1000_bus_type_pci_express) { + 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); @@ -1206,8 +1211,8 @@ e1000_probe(struct pci_dev *pdev, * 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)) + if (hw->mac_type != e1000_82573 || + !e1000_check_mng_mode(hw)) e1000_get_hw_control(adapter); /* tell the stack to leave us alone until e1000_open() is called */ @@ -1215,7 +1220,8 @@ e1000_probe(struct pci_dev *pdev, netif_stop_queue(netdev); strcpy(netdev->name, "eth%d"); - if ((err = register_netdev(netdev))) + err = register_netdev(netdev); + if (err) goto err_register; DPRINTK(PROBE, INFO, "Intel(R) PRO/1000 Network Connection\n"); @@ -1226,28 +1232,24 @@ e1000_probe(struct pci_dev *pdev, err_register: e1000_release_hw_control(adapter); err_eeprom: - if (!e1000_check_phy_reset_block(&adapter->hw)) - e1000_phy_hw_reset(&adapter->hw); + if (!e1000_check_phy_reset_block(hw)) + e1000_phy_hw_reset(hw); - if (adapter->hw.flash_address) - iounmap(adapter->hw.flash_address); + if (hw->flash_address) + iounmap(hw->flash_address); err_flashmap: -#ifdef CONFIG_E1000_NAPI for (i = 0; i < adapter->num_rx_queues; i++) dev_put(&adapter->polling_netdev[i]); -#endif kfree(adapter->tx_ring); kfree(adapter->rx_ring); -#ifdef CONFIG_E1000_NAPI kfree(adapter->polling_netdev); -#endif err_sw_init: - iounmap(adapter->hw.hw_addr); + iounmap(hw->hw_addr); err_ioremap: free_netdev(netdev); err_alloc_etherdev: - pci_release_regions(pdev); + pci_release_selected_regions(pdev, bars); err_pci_reg: err_dma: pci_disable_device(pdev); @@ -1264,14 +1266,12 @@ err_dma: * memory. **/ -static void __devexit -e1000_remove(struct pci_dev *pdev) +static void __devexit e1000_remove(struct pci_dev *pdev) { struct net_device *netdev = pci_get_drvdata(pdev); struct e1000_adapter *adapter = netdev_priv(netdev); -#ifdef CONFIG_E1000_NAPI + struct e1000_hw *hw = &adapter->hw; int i; -#endif cancel_work_sync(&adapter->reset_task); @@ -1281,26 +1281,22 @@ e1000_remove(struct pci_dev *pdev) * would have already happened in close and is redundant. */ e1000_release_hw_control(adapter); -#ifdef CONFIG_E1000_NAPI for (i = 0; i < adapter->num_rx_queues; i++) dev_put(&adapter->polling_netdev[i]); -#endif unregister_netdev(netdev); - if (!e1000_check_phy_reset_block(&adapter->hw)) - e1000_phy_hw_reset(&adapter->hw); + if (!e1000_check_phy_reset_block(hw)) + e1000_phy_hw_reset(hw); kfree(adapter->tx_ring); kfree(adapter->rx_ring); -#ifdef CONFIG_E1000_NAPI kfree(adapter->polling_netdev); -#endif - iounmap(adapter->hw.hw_addr); - if (adapter->hw.flash_address) - iounmap(adapter->hw.flash_address); - pci_release_regions(pdev); + iounmap(hw->hw_addr); + if (hw->flash_address) + iounmap(hw->flash_address); + pci_release_selected_regions(pdev, adapter->bars); free_netdev(netdev); @@ -1316,15 +1312,12 @@ e1000_remove(struct pci_dev *pdev) * OS network device settings (MTU size). **/ -static int __devinit -e1000_sw_init(struct e1000_adapter *adapter) +static int __devinit e1000_sw_init(struct e1000_adapter *adapter) { struct e1000_hw *hw = &adapter->hw; struct net_device *netdev = adapter->netdev; struct pci_dev *pdev = adapter->pdev; -#ifdef CONFIG_E1000_NAPI int i; -#endif /* PCI config space info */ @@ -1337,7 +1330,6 @@ e1000_sw_init(struct e1000_adapter *adapter) pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word); adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE; - adapter->rx_ps_bsize0 = E1000_RXBUFFER_128; hw->max_frame_size = netdev->mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE; hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE; @@ -1382,14 +1374,12 @@ e1000_sw_init(struct e1000_adapter *adapter) return -ENOMEM; } -#ifdef CONFIG_E1000_NAPI for (i = 0; i < adapter->num_rx_queues; i++) { adapter->polling_netdev[i].priv = adapter; dev_hold(&adapter->polling_netdev[i]); set_bit(__LINK_STATE_START, &adapter->polling_netdev[i].state); } spin_lock_init(&adapter->tx_queue_lock); -#endif /* Explicitly disable IRQ since the NIC can be in any state. */ e1000_irq_disable(adapter); @@ -1410,8 +1400,7 @@ e1000_sw_init(struct e1000_adapter *adapter) * intended for Multiqueue, but should work fine with a single queue. **/ -static int __devinit -e1000_alloc_queues(struct e1000_adapter *adapter) +static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter) { adapter->tx_ring = kcalloc(adapter->num_tx_queues, sizeof(struct e1000_tx_ring), GFP_KERNEL); @@ -1425,7 +1414,6 @@ e1000_alloc_queues(struct e1000_adapter *adapter) return -ENOMEM; } -#ifdef CONFIG_E1000_NAPI adapter->polling_netdev = kcalloc(adapter->num_rx_queues, sizeof(struct net_device), GFP_KERNEL); @@ -1434,7 +1422,6 @@ e1000_alloc_queues(struct e1000_adapter *adapter) kfree(adapter->rx_ring); return -ENOMEM; } -#endif return E1000_SUCCESS; } @@ -1452,10 +1439,10 @@ e1000_alloc_queues(struct e1000_adapter *adapter) * and the stack is notified that the interface is ready. **/ -static int -e1000_open(struct net_device *netdev) +static int e1000_open(struct net_device *netdev) { struct e1000_adapter *adapter = netdev_priv(netdev); + struct e1000_hw *hw = &adapter->hw; int err; /* disallow open during test */ @@ -1475,15 +1462,15 @@ e1000_open(struct net_device *netdev) e1000_power_up_phy(adapter); adapter->mng_vlan_id = E1000_MNG_VLAN_NONE; - if ((adapter->hw.mng_cookie.status & + if ((hw->mng_cookie.status & E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) { e1000_update_mng_vlan(adapter); } /* If AMT is enabled, let the firmware know that the network * interface is now open */ - if (adapter->hw.mac_type == e1000_82573 && - e1000_check_mng_mode(&adapter->hw)) + 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. @@ -1499,14 +1486,14 @@ e1000_open(struct net_device *netdev) /* From here on the code is the same as e1000_up() */ clear_bit(__E1000_DOWN, &adapter->flags); -#ifdef CONFIG_E1000_NAPI napi_enable(&adapter->napi); -#endif e1000_irq_enable(adapter); + netif_start_queue(netdev); + /* fire a link status change interrupt to start the watchdog */ - E1000_WRITE_REG(&adapter->hw, ICS, E1000_ICS_LSC); + ew32(ICS, E1000_ICS_LSC); return E1000_SUCCESS; @@ -1534,10 +1521,10 @@ err_setup_tx: * hardware, and all transmit and receive resources are freed. **/ -static int -e1000_close(struct net_device *netdev) +static int e1000_close(struct net_device *netdev) { struct e1000_adapter *adapter = netdev_priv(netdev); + struct e1000_hw *hw = &adapter->hw; WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags)); e1000_down(adapter); @@ -1549,7 +1536,7 @@ e1000_close(struct net_device *netdev) /* kill manageability vlan ID if supported, but not if a vlan with * the same ID is registered on the host OS (let 8021q kill it) */ - if ((adapter->hw.mng_cookie.status & + if ((hw->mng_cookie.status & E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) && !(adapter->vlgrp && vlan_group_get_device(adapter->vlgrp, adapter->mng_vlan_id))) { @@ -1558,8 +1545,8 @@ e1000_close(struct net_device *netdev) /* If AMT is enabled, let the firmware know that the network * interface is now closed */ - if (adapter->hw.mac_type == e1000_82573 && - e1000_check_mng_mode(&adapter->hw)) + if (hw->mac_type == e1000_82573 && + e1000_check_mng_mode(hw)) e1000_release_hw_control(adapter); return 0; @@ -1571,17 +1558,17 @@ e1000_close(struct net_device *netdev) * @start: address of beginning of memory * @len: length of memory **/ -static bool -e1000_check_64k_bound(struct e1000_adapter *adapter, - void *start, unsigned long len) +static bool e1000_check_64k_bound(struct e1000_adapter *adapter, void *start, + unsigned long len) { - unsigned long begin = (unsigned long) start; + struct e1000_hw *hw = &adapter->hw; + unsigned long begin = (unsigned long)start; unsigned long end = begin + len; /* First rev 82545 and 82546 need to not allow any memory * write location to cross 64k boundary due to errata 23 */ - if (adapter->hw.mac_type == e1000_82545 || - adapter->hw.mac_type == e1000_82546) { + if (hw->mac_type == e1000_82545 || + hw->mac_type == e1000_82546) { return ((begin ^ (end - 1)) >> 16) != 0 ? false : true; } @@ -1596,9 +1583,8 @@ e1000_check_64k_bound(struct e1000_adapter *adapter, * Return 0 on success, negative on failure **/ -static int -e1000_setup_tx_resources(struct e1000_adapter *adapter, - struct e1000_tx_ring *txdr) +static int e1000_setup_tx_resources(struct e1000_adapter *adapter, + struct e1000_tx_ring *txdr) { struct pci_dev *pdev = adapter->pdev; int size; @@ -1672,8 +1658,7 @@ setup_tx_desc_die: * Return 0 on success, negative on failure **/ -int -e1000_setup_all_tx_resources(struct e1000_adapter *adapter) +int e1000_setup_all_tx_resources(struct e1000_adapter *adapter) { int i, err = 0; @@ -1699,8 +1684,7 @@ e1000_setup_all_tx_resources(struct e1000_adapter *adapter) * Configure the Tx unit of the MAC after a reset. **/ -static void -e1000_configure_tx(struct e1000_adapter *adapter) +static void e1000_configure_tx(struct e1000_adapter *adapter) { u64 tdba; struct e1000_hw *hw = &adapter->hw; @@ -1715,18 +1699,18 @@ e1000_configure_tx(struct e1000_adapter *adapter) tdba = adapter->tx_ring[0].dma; tdlen = adapter->tx_ring[0].count * sizeof(struct e1000_tx_desc); - E1000_WRITE_REG(hw, TDLEN, tdlen); - E1000_WRITE_REG(hw, TDBAH, (tdba >> 32)); - E1000_WRITE_REG(hw, TDBAL, (tdba & 0x00000000ffffffffULL)); - E1000_WRITE_REG(hw, TDT, 0); - E1000_WRITE_REG(hw, TDH, 0); + ew32(TDLEN, tdlen); + ew32(TDBAH, (tdba >> 32)); + ew32(TDBAL, (tdba & 0x00000000ffffffffULL)); + ew32(TDT, 0); + ew32(TDH, 0); adapter->tx_ring[0].tdh = ((hw->mac_type >= e1000_82543) ? E1000_TDH : E1000_82542_TDH); adapter->tx_ring[0].tdt = ((hw->mac_type >= e1000_82543) ? E1000_TDT : E1000_82542_TDT); break; } /* Set the default values for the Tx Inter Packet Gap timer */ - if (adapter->hw.mac_type <= e1000_82547_rev_2 && + if (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; @@ -1751,34 +1735,34 @@ e1000_configure_tx(struct e1000_adapter *adapter) } tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT; tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT; - E1000_WRITE_REG(hw, TIPG, tipg); + ew32(TIPG, tipg); /* Set the Tx Interrupt Delay register */ - E1000_WRITE_REG(hw, TIDV, adapter->tx_int_delay); + ew32(TIDV, adapter->tx_int_delay); if (hw->mac_type >= e1000_82540) - E1000_WRITE_REG(hw, TADV, adapter->tx_abs_int_delay); + ew32(TADV, adapter->tx_abs_int_delay); /* Program the Transmit Control Register */ - tctl = E1000_READ_REG(hw, TCTL); + tctl = er32(TCTL); tctl &= ~E1000_TCTL_CT; 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 = E1000_READ_REG(hw, TARC0); + tarc = er32(TARC0); /* set the speed mode bit, we'll clear it if we're not at * gigabit link later */ tarc |= (1 << 21); - E1000_WRITE_REG(hw, TARC0, tarc); + ew32(TARC0, tarc); } else if (hw->mac_type == e1000_80003es2lan) { - tarc = E1000_READ_REG(hw, TARC0); + tarc = er32(TARC0); tarc |= 1; - E1000_WRITE_REG(hw, TARC0, tarc); - tarc = E1000_READ_REG(hw, TARC1); + ew32(TARC0, tarc); + tarc = er32(TARC1); tarc |= 1; - E1000_WRITE_REG(hw, TARC1, tarc); + ew32(TARC1, tarc); } e1000_config_collision_dist(hw); @@ -1801,7 +1785,7 @@ e1000_configure_tx(struct e1000_adapter *adapter) hw->bus_type == e1000_bus_type_pcix) adapter->pcix_82544 = 1; - E1000_WRITE_REG(hw, TCTL, tctl); + ew32(TCTL, tctl); } @@ -1813,10 +1797,10 @@ e1000_configure_tx(struct e1000_adapter *adapter) * Returns 0 on success, negative on failure **/ -static int -e1000_setup_rx_resources(struct e1000_adapter *adapter, - struct e1000_rx_ring *rxdr) +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; @@ -1829,27 +1813,7 @@ e1000_setup_rx_resources(struct e1000_adapter *adapter, } memset(rxdr->buffer_info, 0, size); - rxdr->ps_page = kcalloc(rxdr->count, sizeof(struct e1000_ps_page), - GFP_KERNEL); - if (!rxdr->ps_page) { - vfree(rxdr->buffer_info); - DPRINTK(PROBE, ERR, - "Unable to allocate memory for the receive descriptor ring\n"); - return -ENOMEM; - } - - rxdr->ps_page_dma = kcalloc(rxdr->count, - sizeof(struct e1000_ps_page_dma), - GFP_KERNEL); - if (!rxdr->ps_page_dma) { - vfree(rxdr->buffer_info); - kfree(rxdr->ps_page); - DPRINTK(PROBE, ERR, - "Unable to allocate memory for the receive descriptor ring\n"); - return -ENOMEM; - } - - if (adapter->hw.mac_type <= e1000_82547_rev_2) + 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); @@ -1866,8 +1830,6 @@ e1000_setup_rx_resources(struct e1000_adapter *adapter, "Unable to allocate memory for the receive descriptor ring\n"); setup_rx_desc_die: vfree(rxdr->buffer_info); - kfree(rxdr->ps_page); - kfree(rxdr->ps_page_dma); return -ENOMEM; } @@ -1918,8 +1880,7 @@ setup_rx_desc_die: * Return 0 on success, negative on failure **/ -int -e1000_setup_all_rx_resources(struct e1000_adapter *adapter) +int e1000_setup_all_rx_resources(struct e1000_adapter *adapter) { int i, err = 0; @@ -1944,24 +1905,20 @@ e1000_setup_all_rx_resources(struct e1000_adapter *adapter) **/ #define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \ (((S) & (PAGE_SIZE - 1)) ? 1 : 0)) -static void -e1000_setup_rctl(struct e1000_adapter *adapter) +static void e1000_setup_rctl(struct e1000_adapter *adapter) { - u32 rctl, rfctl; - u32 psrctl = 0; -#ifndef CONFIG_E1000_DISABLE_PACKET_SPLIT - u32 pages = 0; -#endif + struct e1000_hw *hw = &adapter->hw; + u32 rctl; - rctl = E1000_READ_REG(&adapter->hw, RCTL); + rctl = er32(RCTL); rctl &= ~(3 << E1000_RCTL_MO_SHIFT); rctl |= E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF | - (adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT); + (hw->mc_filter_type << E1000_RCTL_MO_SHIFT); - if (adapter->hw.tbi_compatibility_on == 1) + if (hw->tbi_compatibility_on == 1) rctl |= E1000_RCTL_SBP; else rctl &= ~E1000_RCTL_SBP; @@ -2003,56 +1960,7 @@ e1000_setup_rctl(struct e1000_adapter *adapter) break; } -#ifndef CONFIG_E1000_DISABLE_PACKET_SPLIT - /* 82571 and greater support packet-split where the protocol - * header is placed in skb->data and the packet data is - * placed in pages hanging off of skb_shinfo(skb)->nr_frags. - * In the case of a non-split, skb->data is linearly filled, - * followed by the page buffers. Therefore, skb->data is - * sized to hold the largest protocol header. - */ - /* allocations using alloc_page take too long for regular MTU - * so only enable packet split for jumbo frames */ - pages = PAGE_USE_COUNT(adapter->netdev->mtu); - if ((adapter->hw.mac_type >= e1000_82571) && (pages <= 3) && - PAGE_SIZE <= 16384 && (rctl & E1000_RCTL_LPE)) - adapter->rx_ps_pages = pages; - else - adapter->rx_ps_pages = 0; -#endif - if (adapter->rx_ps_pages) { - /* Configure extra packet-split registers */ - rfctl = E1000_READ_REG(&adapter->hw, RFCTL); - rfctl |= E1000_RFCTL_EXTEN; - /* disable packet split support for IPv6 extension headers, - * because some malformed IPv6 headers can hang the RX */ - rfctl |= (E1000_RFCTL_IPV6_EX_DIS | - E1000_RFCTL_NEW_IPV6_EXT_DIS); - - E1000_WRITE_REG(&adapter->hw, RFCTL, rfctl); - - rctl |= E1000_RCTL_DTYP_PS; - - psrctl |= adapter->rx_ps_bsize0 >> - E1000_PSRCTL_BSIZE0_SHIFT; - - switch (adapter->rx_ps_pages) { - case 3: - psrctl |= PAGE_SIZE << - E1000_PSRCTL_BSIZE3_SHIFT; - case 2: - psrctl |= PAGE_SIZE << - E1000_PSRCTL_BSIZE2_SHIFT; - case 1: - psrctl |= PAGE_SIZE >> - E1000_PSRCTL_BSIZE1_SHIFT; - break; - } - - E1000_WRITE_REG(&adapter->hw, PSRCTL, psrctl); - } - - E1000_WRITE_REG(&adapter->hw, RCTL, rctl); + ew32(RCTL, rctl); } /** @@ -2062,51 +1970,39 @@ e1000_setup_rctl(struct e1000_adapter *adapter) * Configure the Rx unit of the MAC after a reset. **/ -static void -e1000_configure_rx(struct e1000_adapter *adapter) +static void e1000_configure_rx(struct e1000_adapter *adapter) { u64 rdba; struct e1000_hw *hw = &adapter->hw; u32 rdlen, rctl, rxcsum, ctrl_ext; - if (adapter->rx_ps_pages) { - /* this is a 32 byte descriptor */ - rdlen = adapter->rx_ring[0].count * - sizeof(union e1000_rx_desc_packet_split); - adapter->clean_rx = e1000_clean_rx_irq_ps; - adapter->alloc_rx_buf = e1000_alloc_rx_buffers_ps; - } else { - rdlen = adapter->rx_ring[0].count * - sizeof(struct e1000_rx_desc); - adapter->clean_rx = e1000_clean_rx_irq; - adapter->alloc_rx_buf = e1000_alloc_rx_buffers; - } + rdlen = adapter->rx_ring[0].count * + sizeof(struct e1000_rx_desc); + adapter->clean_rx = e1000_clean_rx_irq; + adapter->alloc_rx_buf = e1000_alloc_rx_buffers; /* disable receives while setting up the descriptors */ - rctl = E1000_READ_REG(hw, RCTL); - E1000_WRITE_REG(hw, RCTL, rctl & ~E1000_RCTL_EN); + rctl = er32(RCTL); + ew32(RCTL, rctl & ~E1000_RCTL_EN); /* set the Receive Delay Timer Register */ - E1000_WRITE_REG(hw, RDTR, adapter->rx_int_delay); + ew32(RDTR, adapter->rx_int_delay); if (hw->mac_type >= e1000_82540) { - E1000_WRITE_REG(hw, RADV, adapter->rx_abs_int_delay); + ew32(RADV, adapter->rx_abs_int_delay); if (adapter->itr_setting != 0) - E1000_WRITE_REG(hw, ITR, - 1000000000 / (adapter->itr * 256)); + ew32(ITR, 1000000000 / (adapter->itr * 256)); } if (hw->mac_type >= e1000_82571) { - ctrl_ext = E1000_READ_REG(hw, CTRL_EXT); + ctrl_ext = er32(CTRL_EXT); /* Reset delay timers after every interrupt */ ctrl_ext |= E1000_CTRL_EXT_INT_TIMER_CLR; -#ifdef CONFIG_E1000_NAPI /* Auto-Mask interrupts upon ICR access */ ctrl_ext |= E1000_CTRL_EXT_IAME; - E1000_WRITE_REG(hw, IAM, 0xffffffff); -#endif - E1000_WRITE_REG(hw, CTRL_EXT, ctrl_ext); - E1000_WRITE_FLUSH(hw); + ew32(IAM, 0xffffffff); + ew32(CTRL_EXT, ctrl_ext); + E1000_WRITE_FLUSH(); } /* Setup the HW Rx Head and Tail Descriptor Pointers and @@ -2115,11 +2011,11 @@ e1000_configure_rx(struct e1000_adapter *adapter) case 1: default: rdba = adapter->rx_ring[0].dma; - E1000_WRITE_REG(hw, RDLEN, rdlen); - E1000_WRITE_REG(hw, RDBAH, (rdba >> 32)); - E1000_WRITE_REG(hw, RDBAL, (rdba & 0x00000000ffffffffULL)); - E1000_WRITE_REG(hw, RDT, 0); - E1000_WRITE_REG(hw, RDH, 0); + ew32(RDLEN, rdlen); + ew32(RDBAH, (rdba >> 32)); + ew32(RDBAL, (rdba & 0x00000000ffffffffULL)); + ew32(RDT, 0); + ew32(RDH, 0); adapter->rx_ring[0].rdh = ((hw->mac_type >= e1000_82543) ? E1000_RDH : E1000_82542_RDH); adapter->rx_ring[0].rdt = ((hw->mac_type >= e1000_82543) ? E1000_RDT : E1000_82542_RDT); break; @@ -2127,31 +2023,17 @@ e1000_configure_rx(struct e1000_adapter *adapter) /* Enable 82543 Receive Checksum Offload for TCP and UDP */ if (hw->mac_type >= e1000_82543) { - rxcsum = E1000_READ_REG(hw, RXCSUM); - if (adapter->rx_csum) { + rxcsum = er32(RXCSUM); + if (adapter->rx_csum) rxcsum |= E1000_RXCSUM_TUOFL; - - /* Enable 82571 IPv4 payload checksum for UDP fragments - * Must be used in conjunction with packet-split. */ - if ((hw->mac_type >= e1000_82571) && - (adapter->rx_ps_pages)) { - rxcsum |= E1000_RXCSUM_IPPCSE; - } - } else { - rxcsum &= ~E1000_RXCSUM_TUOFL; + else /* don't need to clear IPPCSE as it defaults to 0 */ - } - E1000_WRITE_REG(hw, RXCSUM, rxcsum); + rxcsum &= ~E1000_RXCSUM_TUOFL; + ew32(RXCSUM, rxcsum); } - /* enable early receives on 82573, only takes effect if using > 2048 - * byte total frame size. for example only for jumbo frames */ -#define E1000_ERT_2048 0x100 - if (hw->mac_type == e1000_82573) - E1000_WRITE_REG(hw, ERT, E1000_ERT_2048); - /* Enable Receives */ - E1000_WRITE_REG(hw, RCTL, rctl); + ew32(RCTL, rctl); } /** @@ -2162,9 +2044,8 @@ e1000_configure_rx(struct e1000_adapter *adapter) * Free all transmit software resources **/ -static void -e1000_free_tx_resources(struct e1000_adapter *adapter, - struct e1000_tx_ring *tx_ring) +static void e1000_free_tx_resources(struct e1000_adapter *adapter, + struct e1000_tx_ring *tx_ring) { struct pci_dev *pdev = adapter->pdev; @@ -2185,8 +2066,7 @@ e1000_free_tx_resources(struct e1000_adapter *adapter, * Free all transmit software resources **/ -void -e1000_free_all_tx_resources(struct e1000_adapter *adapter) +void e1000_free_all_tx_resources(struct e1000_adapter *adapter) { int i; @@ -2194,9 +2074,8 @@ e1000_free_all_tx_resources(struct e1000_adapter *adapter) e1000_free_tx_resources(adapter, &adapter->tx_ring[i]); } -static void -e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter, - struct e1000_buffer *buffer_info) +static void e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter, + struct e1000_buffer *buffer_info) { if (buffer_info->dma) { pci_unmap_page(adapter->pdev, @@ -2218,10 +2097,10 @@ e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter, * @tx_ring: ring to be cleaned **/ -static void -e1000_clean_tx_ring(struct e1000_adapter *adapter, - struct e1000_tx_ring *tx_ring) +static void e1000_clean_tx_ring(struct e1000_adapter *adapter, + struct e1000_tx_ring *tx_ring) { + struct e1000_hw *hw = &adapter->hw; struct e1000_buffer *buffer_info; unsigned long size; unsigned int i; @@ -2244,8 +2123,8 @@ e1000_clean_tx_ring(struct e1000_adapter *adapter, tx_ring->next_to_clean = 0; tx_ring->last_tx_tso = 0; - writel(0, adapter->hw.hw_addr + tx_ring->tdh); - writel(0, adapter->hw.hw_addr + tx_ring->tdt); + writel(0, hw->hw_addr + tx_ring->tdh); + writel(0, hw->hw_addr + tx_ring->tdt); } /** @@ -2253,8 +2132,7 @@ e1000_clean_tx_ring(struct e1000_adapter *adapter, * @adapter: board private structure **/ -static void -e1000_clean_all_tx_rings(struct e1000_adapter *adapter) +static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter) { int i; @@ -2270,9 +2148,8 @@ e1000_clean_all_tx_rings(struct e1000_adapter *adapter) * Free all receive software resources **/ -static void -e1000_free_rx_resources(struct e1000_adapter *adapter, - struct e1000_rx_ring *rx_ring) +static void e1000_free_rx_resources(struct e1000_adapter *adapter, + struct e1000_rx_ring *rx_ring) { struct pci_dev *pdev = adapter->pdev; @@ -2280,10 +2157,6 @@ e1000_free_rx_resources(struct e1000_adapter *adapter, vfree(rx_ring->buffer_info); rx_ring->buffer_info = NULL; - kfree(rx_ring->ps_page); - rx_ring->ps_page = NULL; - kfree(rx_ring->ps_page_dma); - rx_ring->ps_page_dma = NULL; pci_free_consistent(pdev, rx_ring->size, rx_ring->desc, rx_ring->dma); @@ -2297,8 +2170,7 @@ e1000_free_rx_resources(struct e1000_adapter *adapter, * Free all receive software resources **/ -void -e1000_free_all_rx_resources(struct e1000_adapter *adapter) +void e1000_free_all_rx_resources(struct e1000_adapter *adapter) { int i; @@ -2312,16 +2184,14 @@ e1000_free_all_rx_resources(struct e1000_adapter *adapter) * @rx_ring: ring to free buffers from **/ -static void -e1000_clean_rx_ring(struct e1000_adapter *adapter, - struct e1000_rx_ring *rx_ring) +static void e1000_clean_rx_ring(struct e1000_adapter *adapter, + struct e1000_rx_ring *rx_ring) { + struct e1000_hw *hw = &adapter->hw; struct e1000_buffer *buffer_info; - struct e1000_ps_page *ps_page; - struct e1000_ps_page_dma *ps_page_dma; struct pci_dev *pdev = adapter->pdev; unsigned long size; - unsigned int i, j; + unsigned int i; /* Free all the Rx ring sk_buffs */ for (i = 0; i < rx_ring->count; i++) { @@ -2335,25 +2205,10 @@ e1000_clean_rx_ring(struct e1000_adapter *adapter, dev_kfree_skb(buffer_info->skb); buffer_info->skb = NULL; } - ps_page = &rx_ring->ps_page[i]; - ps_page_dma = &rx_ring->ps_page_dma[i]; - for (j = 0; j < adapter->rx_ps_pages; j++) { - if (!ps_page->ps_page[j]) break; - pci_unmap_page(pdev, - ps_page_dma->ps_page_dma[j], - PAGE_SIZE, PCI_DMA_FROMDEVICE); - ps_page_dma->ps_page_dma[j] = 0; - put_page(ps_page->ps_page[j]); - ps_page->ps_page[j] = NULL; - } } size = sizeof(struct e1000_buffer) * rx_ring->count; memset(rx_ring->buffer_info, 0, size); - size = sizeof(struct e1000_ps_page) * rx_ring->count; - memset(rx_ring->ps_page, 0, size); - size = sizeof(struct e1000_ps_page_dma) * rx_ring->count; - memset(rx_ring->ps_page_dma, 0, size); /* Zero out the descriptor ring */ @@ -2362,8 +2217,8 @@ e1000_clean_rx_ring(struct e1000_adapter *adapter, rx_ring->next_to_clean = 0; rx_ring->next_to_use = 0; - writel(0, adapter->hw.hw_addr + rx_ring->rdh); - writel(0, adapter->hw.hw_addr + rx_ring->rdt); + writel(0, hw->hw_addr + rx_ring->rdh); + writel(0, hw->hw_addr + rx_ring->rdt); } /** @@ -2371,8 +2226,7 @@ e1000_clean_rx_ring(struct e1000_adapter *adapter, * @adapter: board private structure **/ -static void -e1000_clean_all_rx_rings(struct e1000_adapter *adapter) +static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter) { int i; @@ -2383,38 +2237,38 @@ e1000_clean_all_rx_rings(struct e1000_adapter *adapter) /* The 82542 2.0 (revision 2) needs to have the receive unit in reset * and memory write and invalidate disabled for certain operations */ -static void -e1000_enter_82542_rst(struct e1000_adapter *adapter) +static void e1000_enter_82542_rst(struct e1000_adapter *adapter) { + struct e1000_hw *hw = &adapter->hw; struct net_device *netdev = adapter->netdev; u32 rctl; - e1000_pci_clear_mwi(&adapter->hw); + e1000_pci_clear_mwi(hw); - rctl = E1000_READ_REG(&adapter->hw, RCTL); + rctl = er32(RCTL); rctl |= E1000_RCTL_RST; - E1000_WRITE_REG(&adapter->hw, RCTL, rctl); - E1000_WRITE_FLUSH(&adapter->hw); + ew32(RCTL, rctl); + E1000_WRITE_FLUSH(); mdelay(5); if (netif_running(netdev)) e1000_clean_all_rx_rings(adapter); } -static void -e1000_leave_82542_rst(struct e1000_adapter *adapter) +static void e1000_leave_82542_rst(struct e1000_adapter *adapter) { + struct e1000_hw *hw = &adapter->hw; struct net_device *netdev = adapter->netdev; u32 rctl; - rctl = E1000_READ_REG(&adapter->hw, RCTL); + rctl = er32(RCTL); rctl &= ~E1000_RCTL_RST; - E1000_WRITE_REG(&adapter->hw, RCTL, rctl); - E1000_WRITE_FLUSH(&adapter->hw); + ew32(RCTL, rctl); + E1000_WRITE_FLUSH(); mdelay(5); - if (adapter->hw.pci_cmd_word & PCI_COMMAND_INVALIDATE) - e1000_pci_set_mwi(&adapter->hw); + if (hw->pci_cmd_word & PCI_COMMAND_INVALIDATE) + e1000_pci_set_mwi(hw); if (netif_running(netdev)) { /* No need to loop, because 82542 supports only 1 queue */ @@ -2432,10 +2286,10 @@ e1000_leave_82542_rst(struct e1000_adapter *adapter) * Returns 0 on success, negative on failure **/ -static int -e1000_set_mac(struct net_device *netdev, void *p) +static int e1000_set_mac(struct net_device *netdev, void *p) { struct e1000_adapter *adapter = netdev_priv(netdev); + struct e1000_hw *hw = &adapter->hw; struct sockaddr *addr = p; if (!is_valid_ether_addr(addr->sa_data)) @@ -2443,19 +2297,19 @@ e1000_set_mac(struct net_device *netdev, void *p) /* 82542 2.0 needs to be in reset to write receive address registers */ - if (adapter->hw.mac_type == e1000_82542_rev2_0) + if (hw->mac_type == e1000_82542_rev2_0) e1000_enter_82542_rst(adapter); memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); - memcpy(adapter->hw.mac_addr, addr->sa_data, netdev->addr_len); + memcpy(hw->mac_addr, addr->sa_data, netdev->addr_len); - e1000_rar_set(&adapter->hw, adapter->hw.mac_addr, 0); + 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 (adapter->hw.mac_type == e1000_82571) { + if (hw->mac_type == e1000_82571) { /* activate the work around */ - adapter->hw.laa_is_present = 1; + 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 @@ -2463,11 +2317,11 @@ e1000_set_mac(struct net_device *netdev, void *p) * 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(&adapter->hw, adapter->hw.mac_addr, + e1000_rar_set(hw, hw->mac_addr, E1000_RAR_ENTRIES - 1); } - if (adapter->hw.mac_type == e1000_82542_rev2_0) + if (hw->mac_type == e1000_82542_rev2_0) e1000_leave_82542_rst(adapter); return 0; @@ -2483,8 +2337,7 @@ e1000_set_mac(struct net_device *netdev, void *p) * promiscuous mode, and all-multi behavior. **/ -static void -e1000_set_rx_mode(struct net_device *netdev) +static void e1000_set_rx_mode(struct net_device *netdev) { struct e1000_adapter *adapter = netdev_priv(netdev); struct e1000_hw *hw = &adapter->hw; @@ -2497,23 +2350,28 @@ e1000_set_rx_mode(struct net_device *netdev) E1000_NUM_MTA_REGISTERS_ICH8LAN : E1000_NUM_MTA_REGISTERS; - if (adapter->hw.mac_type == e1000_ich8lan) + if (hw->mac_type == e1000_ich8lan) rar_entries = E1000_RAR_ENTRIES_ICH8LAN; /* reserve RAR[14] for LAA over-write work-around */ - if (adapter->hw.mac_type == e1000_82571) + if (hw->mac_type == e1000_82571) rar_entries--; /* Check for Promiscuous and All Multicast modes */ - rctl = E1000_READ_REG(hw, RCTL); + rctl = er32(RCTL); if (netdev->flags & IFF_PROMISC) { rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE); - } else if (netdev->flags & IFF_ALLMULTI) { - rctl |= E1000_RCTL_MPE; + rctl &= ~E1000_RCTL_VFE; } else { - rctl &= ~E1000_RCTL_MPE; + if (netdev->flags & IFF_ALLMULTI) { + rctl |= E1000_RCTL_MPE; + } else { + rctl &= ~E1000_RCTL_MPE; + } + if (adapter->hw.mac_type != e1000_ich8lan) + rctl |= E1000_RCTL_VFE; } uc_ptr = NULL; @@ -2524,7 +2382,7 @@ e1000_set_rx_mode(struct net_device *netdev) uc_ptr = netdev->uc_list; } - E1000_WRITE_REG(hw, RCTL, rctl); + ew32(RCTL, rctl); /* 82542 2.0 needs to be in reset to write receive address registers */ @@ -2550,9 +2408,9 @@ e1000_set_rx_mode(struct net_device *netdev) mc_ptr = mc_ptr->next; } else { E1000_WRITE_REG_ARRAY(hw, RA, i << 1, 0); - E1000_WRITE_FLUSH(hw); + E1000_WRITE_FLUSH(); E1000_WRITE_REG_ARRAY(hw, RA, (i << 1) + 1, 0); - E1000_WRITE_FLUSH(hw); + E1000_WRITE_FLUSH(); } } WARN_ON(uc_ptr != NULL); @@ -2561,7 +2419,7 @@ e1000_set_rx_mode(struct net_device *netdev) for (i = 0; i < mta_reg_count; i++) { E1000_WRITE_REG_ARRAY(hw, MTA, i, 0); - E1000_WRITE_FLUSH(hw); + E1000_WRITE_FLUSH(); } /* load any remaining addresses into the hash table */ @@ -2578,11 +2436,11 @@ e1000_set_rx_mode(struct net_device *netdev) /* Need to wait a few seconds after link up to get diagnostic information from * the phy */ -static void -e1000_update_phy_info(unsigned long data) +static void e1000_update_phy_info(unsigned long data) { - struct e1000_adapter *adapter = (struct e1000_adapter *) data; - e1000_phy_get_info(&adapter->hw, &adapter->phy_info); + struct e1000_adapter *adapter = (struct e1000_adapter *)data; + struct e1000_hw *hw = &adapter->hw; + e1000_phy_get_info(hw, &adapter->phy_info); } /** @@ -2590,33 +2448,25 @@ e1000_update_phy_info(unsigned long data) * @data: pointer to adapter cast into an unsigned long **/ -static void -e1000_82547_tx_fifo_stall(unsigned long data) +static void e1000_82547_tx_fifo_stall(unsigned long data) { - struct e1000_adapter *adapter = (struct e1000_adapter *) data; + struct e1000_adapter *adapter = (struct e1000_adapter *)data; + struct e1000_hw *hw = &adapter->hw; struct net_device *netdev = adapter->netdev; u32 tctl; if (atomic_read(&adapter->tx_fifo_stall)) { - if ((E1000_READ_REG(&adapter->hw, TDT) == - E1000_READ_REG(&adapter->hw, TDH)) && - (E1000_READ_REG(&adapter->hw, TDFT) == - E1000_READ_REG(&adapter->hw, TDFH)) && - (E1000_READ_REG(&adapter->hw, TDFTS) == - E1000_READ_REG(&adapter->hw, TDFHS))) { - tctl = E1000_READ_REG(&adapter->hw, TCTL); - E1000_WRITE_REG(&adapter->hw, TCTL, - tctl & ~E1000_TCTL_EN); - E1000_WRITE_REG(&adapter->hw, TDFT, - adapter->tx_head_addr); - E1000_WRITE_REG(&adapter->hw, TDFH, - adapter->tx_head_addr); - E1000_WRITE_REG(&adapter->hw, TDFTS, - adapter->tx_head_addr); - E1000_WRITE_REG(&adapter->hw, TDFHS, - adapter->tx_head_addr); - E1000_WRITE_REG(&adapter->hw, TCTL, tctl); - E1000_WRITE_FLUSH(&adapter->hw); + if ((er32(TDT) == er32(TDH)) && + (er32(TDFT) == er32(TDFH)) && + (er32(TDFTS) == er32(TDFHS))) { + tctl = er32(TCTL); + ew32(TCTL, tctl & ~E1000_TCTL_EN); + ew32(TDFT, adapter->tx_head_addr); + ew32(TDFH, adapter->tx_head_addr); + ew32(TDFTS, adapter->tx_head_addr); + ew32(TDFHS, adapter->tx_head_addr); + ew32(TCTL, tctl); + E1000_WRITE_FLUSH(); adapter->tx_fifo_head = 0; atomic_set(&adapter->tx_fifo_stall, 0); @@ -2631,45 +2481,45 @@ e1000_82547_tx_fifo_stall(unsigned long data) * e1000_watchdog - Timer Call-back * @data: pointer to adapter cast into an unsigned long **/ -static void -e1000_watchdog(unsigned long data) +static void e1000_watchdog(unsigned long data) { - struct e1000_adapter *adapter = (struct e1000_adapter *) data; + struct e1000_adapter *adapter = (struct e1000_adapter *)data; + struct e1000_hw *hw = &adapter->hw; 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(&adapter->hw); + ret_val = e1000_check_for_link(hw); if ((ret_val == E1000_ERR_PHY) && - (adapter->hw.phy_type == e1000_phy_igp_3) && - (E1000_READ_REG(&adapter->hw, CTRL) & E1000_PHY_CTRL_GBE_DISABLE)) { + (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 (adapter->hw.mac_type == e1000_82573) { - e1000_enable_tx_pkt_filtering(&adapter->hw); - if (adapter->mng_vlan_id != adapter->hw.mng_cookie.vlan_id) + 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); } - if ((adapter->hw.media_type == e1000_media_type_internal_serdes) && - !(E1000_READ_REG(&adapter->hw, TXCW) & E1000_TXCW_ANE)) - link = !adapter->hw.serdes_link_down; + if ((hw->media_type == e1000_media_type_internal_serdes) && + !(er32(TXCW) & E1000_TXCW_ANE)) + link = !hw->serdes_link_down; else - link = E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU; + link = er32(STATUS) & E1000_STATUS_LU; if (link) { if (!netif_carrier_ok(netdev)) { u32 ctrl; bool txb2b = true; - e1000_get_speed_and_duplex(&adapter->hw, + e1000_get_speed_and_duplex(hw, &adapter->link_speed, &adapter->link_duplex); - ctrl = E1000_READ_REG(&adapter->hw, CTRL); + ctrl = er32(CTRL); DPRINTK(LINK, INFO, "NIC Link is Up %d Mbps %s, " "Flow Control: %s\n", adapter->link_speed, @@ -2697,19 +2547,19 @@ e1000_watchdog(unsigned long data) break; } - if ((adapter->hw.mac_type == e1000_82571 || - adapter->hw.mac_type == e1000_82572) && + if ((hw->mac_type == e1000_82571 || + hw->mac_type == e1000_82572) && !txb2b) { u32 tarc0; - tarc0 = E1000_READ_REG(&adapter->hw, TARC0); + tarc0 = er32(TARC0); tarc0 &= ~(1 << 21); - E1000_WRITE_REG(&adapter->hw, TARC0, tarc0); + ew32(TARC0, tarc0); } /* disable TSO for pcie and 10/100 speeds, to avoid * some hardware issues */ if (!adapter->tso_force && - adapter->hw.bus_type == e1000_bus_type_pci_express){ + hw->bus_type == e1000_bus_type_pci_express){ switch (adapter->link_speed) { case SPEED_10: case SPEED_100: @@ -2730,9 +2580,9 @@ e1000_watchdog(unsigned long data) /* enable transmits in the hardware, need to do this * after setting TARC0 */ - tctl = E1000_READ_REG(&adapter->hw, TCTL); + tctl = er32(TCTL); tctl |= E1000_TCTL_EN; - E1000_WRITE_REG(&adapter->hw, TCTL, tctl); + ew32(TCTL, tctl); netif_carrier_on(netdev); netif_wake_queue(netdev); @@ -2740,10 +2590,9 @@ e1000_watchdog(unsigned long data) adapter->smartspeed = 0; } else { /* make sure the receive unit is started */ - if (adapter->hw.rx_needs_kicking) { - struct e1000_hw *hw = &adapter->hw; - u32 rctl = E1000_READ_REG(hw, RCTL); - E1000_WRITE_REG(hw, RCTL, rctl | E1000_RCTL_EN); + if (hw->rx_needs_kicking) { + u32 rctl = er32(RCTL); + ew32(RCTL, rctl | E1000_RCTL_EN); } } } else { @@ -2760,7 +2609,7 @@ e1000_watchdog(unsigned long data) * disable receives in the ISR and * reset device here in the watchdog */ - if (adapter->hw.mac_type == e1000_80003es2lan) + if (hw->mac_type == e1000_80003es2lan) /* reset device */ schedule_work(&adapter->reset_task); } @@ -2770,9 +2619,9 @@ e1000_watchdog(unsigned long data) e1000_update_stats(adapter); - adapter->hw.tx_packet_delta = adapter->stats.tpt - adapter->tpt_old; + hw->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old; adapter->tpt_old = adapter->stats.tpt; - adapter->hw.collision_delta = adapter->stats.colc - adapter->colc_old; + hw->collision_delta = adapter->stats.colc - adapter->colc_old; adapter->colc_old = adapter->stats.colc; adapter->gorcl = adapter->stats.gorcl - adapter->gorcl_old; @@ -2780,7 +2629,7 @@ e1000_watchdog(unsigned long data) adapter->gotcl = adapter->stats.gotcl - adapter->gotcl_old; adapter->gotcl_old = adapter->stats.gotcl; - e1000_update_adaptive(&adapter->hw); + e1000_update_adaptive(hw); if (!netif_carrier_ok(netdev)) { if (E1000_DESC_UNUSED(txdr) + 1 < txdr->count) { @@ -2794,15 +2643,15 @@ e1000_watchdog(unsigned long data) } /* Cause software interrupt to ensure rx ring is cleaned */ - E1000_WRITE_REG(&adapter->hw, ICS, E1000_ICS_RXDMT0); + ew32(ICS, E1000_ICS_RXDMT0); /* 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 (adapter->hw.mac_type == e1000_82571 && adapter->hw.laa_is_present) - e1000_rar_set(&adapter->hw, adapter->hw.mac_addr, 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)); @@ -2832,9 +2681,7 @@ enum latency_range { * @bytes: the number of bytes during this measurement interval **/ static unsigned int e1000_update_itr(struct e1000_adapter *adapter, - u16 itr_setting, - int packets, - int bytes) + u16 itr_setting, int packets, int bytes) { unsigned int retval = itr_setting; struct e1000_hw *hw = &adapter->hw; @@ -2939,7 +2786,7 @@ set_itr_now: min(adapter->itr + (new_itr >> 2), new_itr) : new_itr; adapter->itr = new_itr; - E1000_WRITE_REG(hw, ITR, 1000000000 / (new_itr * 256)); + ew32(ITR, 1000000000 / (new_itr * 256)); } return; @@ -2952,9 +2799,8 @@ set_itr_now: #define E1000_TX_FLAGS_VLAN_MASK 0xffff0000 #define E1000_TX_FLAGS_VLAN_SHIFT 16 -static int -e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, - struct sk_buff *skb) +static int e1000_tso(struct e1000_adapter *adapter, + struct e1000_tx_ring *tx_ring, struct sk_buff *skb) { struct e1000_context_desc *context_desc; struct e1000_buffer *buffer_info; @@ -3025,50 +2871,68 @@ e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, return false; } -static bool -e1000_tx_csum(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, - struct sk_buff *skb) +static bool e1000_tx_csum(struct e1000_adapter *adapter, + struct e1000_tx_ring *tx_ring, struct sk_buff *skb) { struct e1000_context_desc *context_desc; struct e1000_buffer *buffer_info; unsigned int i; u8 css; + u32 cmd_len = E1000_TXD_CMD_DEXT; - if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) { - css = skb_transport_offset(skb); + if (skb->ip_summed != CHECKSUM_PARTIAL) + return false; - i = tx_ring->next_to_use; - buffer_info = &tx_ring->buffer_info[i]; - context_desc = E1000_CONTEXT_DESC(*tx_ring, i); + switch (skb->protocol) { + case __constant_htons(ETH_P_IP): + if (ip_hdr(skb)->protocol == IPPROTO_TCP) + cmd_len |= E1000_TXD_CMD_TCP; + break; + case __constant_htons(ETH_P_IPV6): + /* XXX not handling all IPV6 headers */ + if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP) + cmd_len |= E1000_TXD_CMD_TCP; + break; + default: + if (unlikely(net_ratelimit())) + DPRINTK(DRV, WARNING, + "checksum_partial proto=%x!\n", skb->protocol); + break; + } - 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_offset; - context_desc->upper_setup.tcp_fields.tucse = 0; - context_desc->tcp_seg_setup.data = 0; - context_desc->cmd_and_length = cpu_to_le32(E1000_TXD_CMD_DEXT); + css = skb_transport_offset(skb); - buffer_info->time_stamp = jiffies; - buffer_info->next_to_watch = i; + i = tx_ring->next_to_use; + buffer_info = &tx_ring->buffer_info[i]; + context_desc = E1000_CONTEXT_DESC(*tx_ring, i); - if (unlikely(++i == tx_ring->count)) i = 0; - tx_ring->next_to_use = 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_offset; + context_desc->upper_setup.tcp_fields.tucse = 0; + context_desc->tcp_seg_setup.data = 0; + context_desc->cmd_and_length = cpu_to_le32(cmd_len); - return true; - } + buffer_info->time_stamp = jiffies; + buffer_info->next_to_watch = i; - return false; + if (unlikely(++i == tx_ring->count)) i = 0; + tx_ring->next_to_use = i; + + return true; } #define E1000_MAX_TXD_PWR 12 #define E1000_MAX_DATA_PER_TXD (1<<E1000_MAX_TXD_PWR) -static int -e1000_tx_map(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, - struct sk_buff *skb, unsigned int first, unsigned int max_per_txd, - unsigned int nr_frags, unsigned int mss) +static int e1000_tx_map(struct e1000_adapter *adapter, + struct e1000_tx_ring *tx_ring, + struct sk_buff *skb, unsigned int first, + unsigned int max_per_txd, unsigned int nr_frags, + unsigned int mss) { + struct e1000_hw *hw = &adapter->hw; struct e1000_buffer *buffer_info; unsigned int len = skb->len; unsigned int offset = 0, size, count = 0, i; @@ -3099,7 +2963,7 @@ e1000_tx_map(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, * The fix is to make sure that the first descriptor of a * packet is smaller than 2048 - 16 - 16 (or 2016) bytes */ - if (unlikely((adapter->hw.bus_type == e1000_bus_type_pcix) && + if (unlikely((hw->bus_type == e1000_bus_type_pcix) && (size > 2015) && count == 0)) size = 2015; @@ -3171,10 +3035,11 @@ e1000_tx_map(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, return count; } -static void -e1000_tx_queue(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, - int tx_flags, int count) +static void e1000_tx_queue(struct e1000_adapter *adapter, + struct e1000_tx_ring *tx_ring, int tx_flags, + int count) { + struct e1000_hw *hw = &adapter->hw; struct e1000_tx_desc *tx_desc = NULL; struct e1000_buffer *buffer_info; u32 txd_upper = 0, txd_lower = E1000_TXD_CMD_IFCS; @@ -3220,7 +3085,7 @@ e1000_tx_queue(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, wmb(); tx_ring->next_to_use = i; - writel(i, adapter->hw.hw_addr + tx_ring->tdt); + writel(i, 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(); @@ -3238,8 +3103,8 @@ e1000_tx_queue(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, #define E1000_FIFO_HDR 0x10 #define E1000_82547_PAD_LEN 0x3E0 -static int -e1000_82547_fifo_workaround(struct e1000_adapter *adapter, struct sk_buff *skb) +static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter, + struct sk_buff *skb) { u32 fifo_space = adapter->tx_fifo_size - adapter->tx_fifo_head; u32 skb_fifo_len = skb->len + E1000_FIFO_HDR; @@ -3265,19 +3130,19 @@ no_fifo_stall_required: } #define MINIMUM_DHCP_PACKET_SIZE 282 -static int -e1000_transfer_dhcp_info(struct e1000_adapter *adapter, struct sk_buff *skb) +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) == adapter->hw.mng_cookie.vlan_id) && - ( adapter->hw.mng_cookie.status & + 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; + 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); @@ -3330,10 +3195,10 @@ static int e1000_maybe_stop_tx(struct net_device *netdev, } #define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1 ) -static int -e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev) +static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev) { struct e1000_adapter *adapter = netdev_priv(netdev); + struct e1000_hw *hw = &adapter->hw; struct e1000_tx_ring *tx_ring; unsigned int first, max_per_txd = E1000_MAX_DATA_PER_TXD; unsigned int max_txd_pwr = E1000_MAX_TXD_PWR; @@ -3359,7 +3224,7 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev) /* 82571 and newer doesn't need the workaround that limited descriptor * length to 4kB */ - if (adapter->hw.mac_type >= e1000_82571) + if (hw->mac_type >= e1000_82571) max_per_txd = 8192; mss = skb_shinfo(skb)->gso_size; @@ -3379,7 +3244,7 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev) * frags into skb->data */ hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); if (skb->data_len && hdr_len == len) { - switch (adapter->hw.mac_type) { + switch (hw->mac_type) { unsigned int pull_size; case e1000_82544: /* Make sure we have room to chop off 4 bytes, @@ -3428,7 +3293,7 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev) /* work-around for errata 10 and it applies to all controllers * in PCI-X mode, so add one more descriptor to the count */ - if (unlikely((adapter->hw.bus_type == e1000_bus_type_pcix) && + if (unlikely((hw->bus_type == e1000_bus_type_pcix) && (len > 2015))) count++; @@ -3440,8 +3305,8 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev) count += nr_frags; - if (adapter->hw.tx_pkt_filtering && - (adapter->hw.mac_type == e1000_82573)) + if (hw->tx_pkt_filtering && + (hw->mac_type == e1000_82573)) e1000_transfer_dhcp_info(adapter, skb); if (!spin_trylock_irqsave(&tx_ring->tx_lock, flags)) @@ -3455,7 +3320,7 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev) return NETDEV_TX_BUSY; } - if (unlikely(adapter->hw.mac_type == e1000_82547)) { + if (unlikely(hw->mac_type == e1000_82547)) { if (unlikely(e1000_82547_fifo_workaround(adapter, skb))) { netif_stop_queue(netdev); mod_timer(&adapter->tx_fifo_stall_timer, jiffies + 1); @@ -3508,8 +3373,7 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev) * @netdev: network interface device structure **/ -static void -e1000_tx_timeout(struct net_device *netdev) +static void e1000_tx_timeout(struct net_device *netdev) { struct e1000_adapter *adapter = netdev_priv(netdev); @@ -3518,8 +3382,7 @@ e1000_tx_timeout(struct net_device *netdev) schedule_work(&adapter->reset_task); } -static void -e1000_reset_task(struct work_struct *work) +static void e1000_reset_task(struct work_struct *work) { struct e1000_adapter *adapter = container_of(work, struct e1000_adapter, reset_task); @@ -3535,8 +3398,7 @@ e1000_reset_task(struct work_struct *work) * The statistics are actually updated from the timer callback. **/ -static struct net_device_stats * -e1000_get_stats(struct net_device *netdev) +static struct net_device_stats *e1000_get_stats(struct net_device *netdev) { struct e1000_adapter *adapter = netdev_priv(netdev); @@ -3552,10 +3414,10 @@ e1000_get_stats(struct net_device *netdev) * Returns 0 on success, negative on failure **/ -static int -e1000_change_mtu(struct net_device *netdev, int new_mtu) +static int e1000_change_mtu(struct net_device *netdev, int new_mtu) { 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; @@ -3566,7 +3428,7 @@ e1000_change_mtu(struct net_device *netdev, int new_mtu) } /* Adapter-specific max frame size limits. */ - switch (adapter->hw.mac_type) { + switch (hw->mac_type) { case e1000_undefined ... e1000_82542_rev2_1: case e1000_ich8lan: if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) { @@ -3578,9 +3440,9 @@ e1000_change_mtu(struct net_device *netdev, int new_mtu) /* Jumbo Frames not supported if: * - this is not an 82573L device * - ASPM is enabled in any way (0x1A bits 3:2) */ - e1000_read_eeprom(&adapter->hw, EEPROM_INIT_3GIO_3, 1, + e1000_read_eeprom(hw, EEPROM_INIT_3GIO_3, 1, &eeprom_data); - if ((adapter->hw.device_id != E1000_DEV_ID_82573L) || + if ((hw->device_id != E1000_DEV_ID_82573L) || (eeprom_data & EEPROM_WORD1A_ASPM_MASK)) { if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) { DPRINTK(PROBE, ERR, @@ -3627,13 +3489,13 @@ e1000_change_mtu(struct net_device *netdev, int new_mtu) adapter->rx_buffer_len = E1000_RXBUFFER_16384; /* adjust allocation if LPE protects us, and we aren't using SBP */ - if (!adapter->hw.tbi_compatibility_on && + if (!hw->tbi_compatibility_on && ((max_frame == MAXIMUM_ETHERNET_FRAME_SIZE) || (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE))) adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE; netdev->mtu = new_mtu; - adapter->hw.max_frame_size = max_frame; + hw->max_frame_size = max_frame; if (netif_running(netdev)) e1000_reinit_locked(adapter); @@ -3646,8 +3508,7 @@ e1000_change_mtu(struct net_device *netdev, int new_mtu) * @adapter: board private structure **/ -void -e1000_update_stats(struct e1000_adapter *adapter) +void e1000_update_stats(struct e1000_adapter *adapter) { struct e1000_hw *hw = &adapter->hw; struct pci_dev *pdev = adapter->pdev; @@ -3672,89 +3533,89 @@ e1000_update_stats(struct e1000_adapter *adapter) * be written while holding adapter->stats_lock */ - adapter->stats.crcerrs += E1000_READ_REG(hw, CRCERRS); - adapter->stats.gprc += E1000_READ_REG(hw, GPRC); - adapter->stats.gorcl += E1000_READ_REG(hw, GORCL); - adapter->stats.gorch += E1000_READ_REG(hw, GORCH); - adapter->stats.bprc += E1000_READ_REG(hw, BPRC); - adapter->stats.mprc += E1000_READ_REG(hw, MPRC); - adapter->stats.roc += E1000_READ_REG(hw, ROC); - - if (adapter->hw.mac_type != e1000_ich8lan) { - adapter->stats.prc64 += E1000_READ_REG(hw, PRC64); - adapter->stats.prc127 += E1000_READ_REG(hw, PRC127); - adapter->stats.prc255 += E1000_READ_REG(hw, PRC255); - adapter->stats.prc511 += E1000_READ_REG(hw, PRC511); - adapter->stats.prc1023 += E1000_READ_REG(hw, PRC1023); - adapter->stats.prc1522 += E1000_READ_REG(hw, PRC1522); - } - - adapter->stats.symerrs += E1000_READ_REG(hw, SYMERRS); - adapter->stats.mpc += E1000_READ_REG(hw, MPC); - adapter->stats.scc += E1000_READ_REG(hw, SCC); - adapter->stats.ecol += E1000_READ_REG(hw, ECOL); - adapter->stats.mcc += E1000_READ_REG(hw, MCC); - adapter->stats.latecol += E1000_READ_REG(hw, LATECOL); - adapter->stats.dc += E1000_READ_REG(hw, DC); - adapter->stats.sec += E1000_READ_REG(hw, SEC); - adapter->stats.rlec += E1000_READ_REG(hw, RLEC); - adapter->stats.xonrxc += E1000_READ_REG(hw, XONRXC); - adapter->stats.xontxc += E1000_READ_REG(hw, XONTXC); - adapter->stats.xoffrxc += E1000_READ_REG(hw, XOFFRXC); - adapter->stats.xofftxc += E1000_READ_REG(hw, XOFFTXC); - adapter->stats.fcruc += E1000_READ_REG(hw, FCRUC); - adapter->stats.gptc += E1000_READ_REG(hw, GPTC); - adapter->stats.gotcl += E1000_READ_REG(hw, GOTCL); - adapter->stats.gotch += E1000_READ_REG(hw, GOTCH); - adapter->stats.rnbc += E1000_READ_REG(hw, RNBC); - adapter->stats.ruc += E1000_READ_REG(hw, RUC); - adapter->stats.rfc += E1000_READ_REG(hw, RFC); - adapter->stats.rjc += E1000_READ_REG(hw, RJC); - adapter->stats.torl += E1000_READ_REG(hw, TORL); - adapter->stats.torh += E1000_READ_REG(hw, TORH); - adapter->stats.totl += E1000_READ_REG(hw, TOTL); - adapter->stats.toth += E1000_READ_REG(hw, TOTH); - adapter->stats.tpr += E1000_READ_REG(hw, TPR); - - if (adapter->hw.mac_type != e1000_ich8lan) { - adapter->stats.ptc64 += E1000_READ_REG(hw, PTC64); - adapter->stats.ptc127 += E1000_READ_REG(hw, PTC127); - adapter->stats.ptc255 += E1000_READ_REG(hw, PTC255); - adapter->stats.ptc511 += E1000_READ_REG(hw, PTC511); - adapter->stats.ptc1023 += E1000_READ_REG(hw, PTC1023); - adapter->stats.ptc1522 += E1000_READ_REG(hw, PTC1522); - } - - adapter->stats.mptc += E1000_READ_REG(hw, MPTC); - adapter->stats.bptc += E1000_READ_REG(hw, BPTC); + adapter->stats.crcerrs += er32(CRCERRS); + adapter->stats.gprc += er32(GPRC); + adapter->stats.gorcl += er32(GORCL); + adapter->stats.gorch += er32(GORCH); + adapter->stats.bprc += er32(BPRC); + 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.symerrs += er32(SYMERRS); + adapter->stats.mpc += er32(MPC); + adapter->stats.scc += er32(SCC); + adapter->stats.ecol += er32(ECOL); + adapter->stats.mcc += er32(MCC); + adapter->stats.latecol += er32(LATECOL); + adapter->stats.dc += er32(DC); + adapter->stats.sec += er32(SEC); + adapter->stats.rlec += er32(RLEC); + adapter->stats.xonrxc += er32(XONRXC); + adapter->stats.xontxc += er32(XONTXC); + adapter->stats.xoffrxc += er32(XOFFRXC); + adapter->stats.xofftxc += er32(XOFFTXC); + adapter->stats.fcruc += er32(FCRUC); + adapter->stats.gptc += er32(GPTC); + adapter->stats.gotcl += er32(GOTCL); + adapter->stats.gotch += er32(GOTCH); + adapter->stats.rnbc += er32(RNBC); + adapter->stats.ruc += er32(RUC); + adapter->stats.rfc += er32(RFC); + adapter->stats.rjc += er32(RJC); + adapter->stats.torl += er32(TORL); + adapter->stats.torh += er32(TORH); + adapter->stats.totl += er32(TOTL); + 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.mptc += er32(MPTC); + adapter->stats.bptc += er32(BPTC); /* used for adaptive IFS */ - hw->tx_packet_delta = E1000_READ_REG(hw, TPT); + hw->tx_packet_delta = er32(TPT); adapter->stats.tpt += hw->tx_packet_delta; - hw->collision_delta = E1000_READ_REG(hw, COLC); + hw->collision_delta = er32(COLC); adapter->stats.colc += hw->collision_delta; if (hw->mac_type >= e1000_82543) { - adapter->stats.algnerrc += E1000_READ_REG(hw, ALGNERRC); - adapter->stats.rxerrc += E1000_READ_REG(hw, RXERRC); - adapter->stats.tncrs += E1000_READ_REG(hw, TNCRS); - adapter->stats.cexterr += E1000_READ_REG(hw, CEXTERR); - adapter->stats.tsctc += E1000_READ_REG(hw, TSCTC); - adapter->stats.tsctfc += E1000_READ_REG(hw, TSCTFC); + adapter->stats.algnerrc += er32(ALGNERRC); + adapter->stats.rxerrc += er32(RXERRC); + adapter->stats.tncrs += er32(TNCRS); + adapter->stats.cexterr += er32(CEXTERR); + adapter->stats.tsctc += er32(TSCTC); + adapter->stats.tsctfc += er32(TSCTFC); } if (hw->mac_type > e1000_82547_rev_2) { - adapter->stats.iac += E1000_READ_REG(hw, IAC); - adapter->stats.icrxoc += E1000_READ_REG(hw, ICRXOC); - - if (adapter->hw.mac_type != e1000_ich8lan) { - adapter->stats.icrxptc += E1000_READ_REG(hw, ICRXPTC); - adapter->stats.icrxatc += E1000_READ_REG(hw, ICRXATC); - adapter->stats.ictxptc += E1000_READ_REG(hw, ICTXPTC); - adapter->stats.ictxatc += E1000_READ_REG(hw, ICTXATC); - adapter->stats.ictxqec += E1000_READ_REG(hw, ICTXQEC); - adapter->stats.ictxqmtc += E1000_READ_REG(hw, ICTXQMTC); - adapter->stats.icrxdmtc += E1000_READ_REG(hw, ICRXDMTC); + 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); } } @@ -3782,7 +3643,7 @@ e1000_update_stats(struct e1000_adapter *adapter) 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 && + if (hw->bad_tx_carr_stats_fd && adapter->link_duplex == FULL_DUPLEX) { adapter->net_stats.tx_carrier_errors = 0; adapter->stats.tncrs = 0; @@ -3805,10 +3666,10 @@ e1000_update_stats(struct e1000_adapter *adapter) } /* 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); + if (hw->has_smbus) { + adapter->stats.mgptc += er32(MGTPTC); + adapter->stats.mgprc += er32(MGTPRC); + adapter->stats.mgpdc += er32(MGTPDC); } spin_unlock_irqrestore(&adapter->stats_lock, flags); @@ -3820,16 +3681,12 @@ e1000_update_stats(struct e1000_adapter *adapter) * @data: pointer to a network interface device structure **/ -static irqreturn_t -e1000_intr_msi(int irq, void *data) +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 - u32 icr = E1000_READ_REG(hw, ICR); + u32 icr = er32(ICR); /* in NAPI mode read ICR disables interrupts using IAM */ @@ -3839,17 +3696,16 @@ e1000_intr_msi(int irq, void *data) * 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)) { + (hw->mac_type == e1000_80003es2lan)) { /* disable receives */ - u32 rctl = E1000_READ_REG(hw, RCTL); - E1000_WRITE_REG(hw, RCTL, rctl & ~E1000_RCTL_EN); + 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); } -#ifdef CONFIG_E1000_NAPI if (likely(netif_rx_schedule_prep(netdev, &adapter->napi))) { adapter->total_tx_bytes = 0; adapter->total_tx_packets = 0; @@ -3858,20 +3714,6 @@ e1000_intr_msi(int irq, void *data) __netif_rx_schedule(netdev, &adapter->napi); } else e1000_irq_enable(adapter); -#else - adapter->total_tx_bytes = 0; - adapter->total_rx_bytes = 0; - adapter->total_tx_packets = 0; - adapter->total_rx_packets = 0; - - for (i = 0; i < E1000_MAX_INTR; i++) - if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring) & - !e1000_clean_tx_irq(adapter, adapter->tx_ring))) - break; - - if (likely(adapter->itr_setting & 3)) - e1000_set_itr(adapter); -#endif return IRQ_HANDLED; } @@ -3882,20 +3724,16 @@ e1000_intr_msi(int irq, void *data) * @data: pointer to a network interface device structure **/ -static irqreturn_t -e1000_intr(int irq, void *data) +static irqreturn_t e1000_intr(int irq, void *data) { struct net_device *netdev = data; struct e1000_adapter *adapter = netdev_priv(netdev); struct e1000_hw *hw = &adapter->hw; - u32 rctl, icr = E1000_READ_REG(hw, ICR); -#ifndef CONFIG_E1000_NAPI - int i; -#endif + u32 rctl, icr = er32(ICR); + 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 && @@ -3904,7 +3742,6 @@ e1000_intr(int irq, void *data) /* Interrupt Auto-Mask...upon reading ICR, interrupts are masked. No * need for the IMC write */ -#endif if (unlikely(icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC))) { hw->get_link_status = 1; @@ -3914,21 +3751,20 @@ e1000_intr(int irq, void *data) * reset adapter in watchdog */ if (netif_carrier_ok(netdev) && - (adapter->hw.mac_type == e1000_80003es2lan)) { + (hw->mac_type == e1000_80003es2lan)) { /* disable receives */ - rctl = E1000_READ_REG(hw, RCTL); - E1000_WRITE_REG(hw, RCTL, rctl & ~E1000_RCTL_EN); + 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); } -#ifdef CONFIG_E1000_NAPI if (unlikely(hw->mac_type < e1000_82571)) { /* disable interrupts, without the synchronize_irq bit */ - E1000_WRITE_REG(hw, IMC, ~0); - E1000_WRITE_FLUSH(hw); + ew32(IMC, ~0); + E1000_WRITE_FLUSH(); } if (likely(netif_rx_schedule_prep(netdev, &adapter->napi))) { adapter->total_tx_bytes = 0; @@ -3940,48 +3776,15 @@ e1000_intr(int irq, void *data) /* this really should not happen! if it does it is basically a * bug, but not a hard error, so enable ints and continue */ e1000_irq_enable(adapter); -#else - /* Writing IMC and IMS is needed for 82547. - * Due to Hub Link bus being occupied, an interrupt - * de-assertion message is not able to be sent. - * When an interrupt assertion message is generated later, - * two messages are re-ordered and sent out. - * That causes APIC to think 82547 is in de-assertion - * state, while 82547 is in assertion state, resulting - * in dead lock. Writing IMC forces 82547 into - * de-assertion state. - */ - if (hw->mac_type == e1000_82547 || hw->mac_type == e1000_82547_rev_2) - 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); - -#endif return IRQ_HANDLED; } -#ifdef CONFIG_E1000_NAPI /** * e1000_clean - NAPI Rx polling callback * @adapter: board private structure **/ - -static int -e1000_clean(struct napi_struct *napi, int budget) +static int e1000_clean(struct napi_struct *napi, int budget) { struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi); struct net_device *poll_dev = adapter->netdev; @@ -4017,23 +3820,19 @@ e1000_clean(struct napi_struct *napi, int budget) return work_done; } -#endif /** * e1000_clean_tx_irq - Reclaim resources after transmit completes * @adapter: board private structure **/ - -static bool -e1000_clean_tx_irq(struct e1000_adapter *adapter, - struct e1000_tx_ring *tx_ring) +static bool e1000_clean_tx_irq(struct e1000_adapter *adapter, + struct e1000_tx_ring *tx_ring) { + struct e1000_hw *hw = &adapter->hw; struct net_device *netdev = adapter->netdev; struct e1000_tx_desc *tx_desc, *eop_desc; struct e1000_buffer *buffer_info; unsigned int i, eop; -#ifdef CONFIG_E1000_NAPI unsigned int count = 0; -#endif bool cleaned = false; unsigned int total_tx_bytes=0, total_tx_packets=0; @@ -4065,11 +3864,10 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter, eop = tx_ring->buffer_info[i].next_to_watch; eop_desc = E1000_TX_DESC(*tx_ring, eop); -#ifdef CONFIG_E1000_NAPI #define E1000_TX_WEIGHT 64 /* weight of a sort for tx, to avoid endless transmit cleanup */ - if (count++ == E1000_TX_WEIGHT) break; -#endif + if (count++ == E1000_TX_WEIGHT) + break; } tx_ring->next_to_clean = i; @@ -4094,8 +3892,7 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter, if (tx_ring->buffer_info[eop].dma && time_after(jiffies, tx_ring->buffer_info[eop].time_stamp + (adapter->tx_timeout_factor * HZ)) - && !(E1000_READ_REG(&adapter->hw, STATUS) & - E1000_STATUS_TXOFF)) { + && !(er32(STATUS) & E1000_STATUS_TXOFF)) { /* detected Tx unit hang */ DPRINTK(DRV, ERR, "Detected Tx Unit Hang\n" @@ -4111,8 +3908,8 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter, " next_to_watch.status <%x>\n", (unsigned long)((tx_ring - adapter->tx_ring) / sizeof(struct e1000_tx_ring)), - readl(adapter->hw.hw_addr + tx_ring->tdh), - readl(adapter->hw.hw_addr + tx_ring->tdt), + readl(hw->hw_addr + tx_ring->tdh), + readl(hw->hw_addr + tx_ring->tdt), tx_ring->next_to_use, tx_ring->next_to_clean, tx_ring->buffer_info[eop].time_stamp, @@ -4137,17 +3934,16 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter, * @sk_buff: socket buffer with received data **/ -static void -e1000_rx_checksum(struct e1000_adapter *adapter, - u32 status_err, u32 csum, - struct sk_buff *skb) +static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err, + u32 csum, struct sk_buff *skb) { + struct e1000_hw *hw = &adapter->hw; u16 status = (u16)status_err; u8 errors = (u8)(status_err >> 24); skb->ip_summed = CHECKSUM_NONE; /* 82543 or newer only */ - if (unlikely(adapter->hw.mac_type < e1000_82543)) return; + if (unlikely(hw->mac_type < e1000_82543)) return; /* Ignore Checksum bit is set */ if (unlikely(status & E1000_RXD_STAT_IXSM)) return; /* TCP/UDP checksum error bit is set */ @@ -4157,7 +3953,7 @@ e1000_rx_checksum(struct e1000_adapter *adapter, return; } /* TCP/UDP Checksum has not been calculated */ - if (adapter->hw.mac_type <= e1000_82547_rev_2) { + if (hw->mac_type <= e1000_82547_rev_2) { if (!(status & E1000_RXD_STAT_TCPCS)) return; } else { @@ -4168,7 +3964,7 @@ e1000_rx_checksum(struct e1000_adapter *adapter, if (likely(status & E1000_RXD_STAT_TCPCS)) { /* TCP checksum is good */ skb->ip_summed = CHECKSUM_UNNECESSARY; - } else if (adapter->hw.mac_type > e1000_82547_rev_2) { + } 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. @@ -4184,17 +3980,11 @@ e1000_rx_checksum(struct e1000_adapter *adapter, * e1000_clean_rx_irq - Send received data up the network stack; legacy * @adapter: board private structure **/ - -static bool -#ifdef CONFIG_E1000_NAPI -e1000_clean_rx_irq(struct e1000_adapter *adapter, - struct e1000_rx_ring *rx_ring, - int *work_done, int work_to_do) -#else -e1000_clean_rx_irq(struct e1000_adapter *adapter, - struct e1000_rx_ring *rx_ring) -#endif +static bool e1000_clean_rx_irq(struct e1000_adapter *adapter, + struct e1000_rx_ring *rx_ring, + int *work_done, int work_to_do) { + struct e1000_hw *hw = &adapter->hw; struct net_device *netdev = adapter->netdev; struct pci_dev *pdev = adapter->pdev; struct e1000_rx_desc *rx_desc, *next_rxd; @@ -4215,11 +4005,10 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter, struct sk_buff *skb; u8 status; -#ifdef CONFIG_E1000_NAPI if (*work_done >= work_to_do) break; (*work_done)++; -#endif + status = rx_desc->status; skb = buffer_info->skb; buffer_info->skb = NULL; @@ -4252,11 +4041,10 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter, if (unlikely(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) { last_byte = *(skb->data + length - 1); - if (TBI_ACCEPT(&adapter->hw, status, - rx_desc->errors, length, last_byte)) { + if (TBI_ACCEPT(hw, status, rx_desc->errors, length, + last_byte)) { spin_lock_irqsave(&adapter->stats_lock, flags); - e1000_tbi_adjust_stats(&adapter->hw, - &adapter->stats, + e1000_tbi_adjust_stats(hw, &adapter->stats, length, skb->data); spin_unlock_irqrestore(&adapter->stats_lock, flags); @@ -4306,216 +4094,19 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter, le16_to_cpu(rx_desc->csum), skb); skb->protocol = eth_type_trans(skb, netdev); -#ifdef CONFIG_E1000_NAPI + if (unlikely(adapter->vlgrp && (status & E1000_RXD_STAT_VP))) { vlan_hwaccel_receive_skb(skb, adapter->vlgrp, - le16_to_cpu(rx_desc->special) & - E1000_RXD_SPC_VLAN_MASK); + le16_to_cpu(rx_desc->special)); } else { netif_receive_skb(skb); } -#else /* CONFIG_E1000_NAPI */ - if (unlikely(adapter->vlgrp && - (status & E1000_RXD_STAT_VP))) { - vlan_hwaccel_rx(skb, adapter->vlgrp, - le16_to_cpu(rx_desc->special) & - E1000_RXD_SPC_VLAN_MASK); - } else { - netif_rx(skb); - } -#endif /* CONFIG_E1000_NAPI */ - netdev->last_rx = jiffies; - -next_desc: - rx_desc->status = 0; - - /* return some buffers to hardware, one at a time is too slow */ - if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) { - adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count); - cleaned_count = 0; - } - - /* use prefetched values */ - rx_desc = next_rxd; - buffer_info = next_buffer; - } - rx_ring->next_to_clean = i; - - cleaned_count = E1000_DESC_UNUSED(rx_ring); - 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; - adapter->net_stats.rx_bytes += total_rx_bytes; - adapter->net_stats.rx_packets += total_rx_packets; - return cleaned; -} - -/** - * e1000_clean_rx_irq_ps - Send received data up the network stack; packet split - * @adapter: board private structure - **/ - -static bool -#ifdef CONFIG_E1000_NAPI -e1000_clean_rx_irq_ps(struct e1000_adapter *adapter, - struct e1000_rx_ring *rx_ring, - int *work_done, int work_to_do) -#else -e1000_clean_rx_irq_ps(struct e1000_adapter *adapter, - struct e1000_rx_ring *rx_ring) -#endif -{ - union e1000_rx_desc_packet_split *rx_desc, *next_rxd; - struct net_device *netdev = adapter->netdev; - struct pci_dev *pdev = adapter->pdev; - struct e1000_buffer *buffer_info, *next_buffer; - struct e1000_ps_page *ps_page; - struct e1000_ps_page_dma *ps_page_dma; - struct sk_buff *skb; - unsigned int i, j; - u32 length, staterr; - int cleaned_count = 0; - bool 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); - staterr = le32_to_cpu(rx_desc->wb.middle.status_error); - buffer_info = &rx_ring->buffer_info[i]; - - while (staterr & E1000_RXD_STAT_DD) { - ps_page = &rx_ring->ps_page[i]; - ps_page_dma = &rx_ring->ps_page_dma[i]; -#ifdef CONFIG_E1000_NAPI - if (unlikely(*work_done >= work_to_do)) - break; - (*work_done)++; -#endif - skb = buffer_info->skb; - - /* in the packet split case this is header only */ - prefetch(skb->data - NET_IP_ALIGN); - - if (++i == rx_ring->count) i = 0; - next_rxd = E1000_RX_DESC_PS(*rx_ring, i); - prefetch(next_rxd); - - next_buffer = &rx_ring->buffer_info[i]; - - cleaned = true; - cleaned_count++; - pci_unmap_single(pdev, buffer_info->dma, - buffer_info->length, - PCI_DMA_FROMDEVICE); - - if (unlikely(!(staterr & E1000_RXD_STAT_EOP))) { - E1000_DBG("%s: Packet Split buffers didn't pick up" - " the full packet\n", netdev->name); - dev_kfree_skb_irq(skb); - goto next_desc; - } - - if (unlikely(staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK)) { - dev_kfree_skb_irq(skb); - goto next_desc; - } - - length = le16_to_cpu(rx_desc->wb.middle.length0); - - if (unlikely(!length)) { - E1000_DBG("%s: Last part of the packet spanning" - " multiple descriptors\n", netdev->name); - dev_kfree_skb_irq(skb); - goto next_desc; - } - - /* Good Receive */ - skb_put(skb, length); - - { - /* this looks ugly, but it seems compiler issues make it - more efficient than reusing j */ - int l1 = le16_to_cpu(rx_desc->wb.upper.length[0]); - - /* page alloc/put takes too long and effects small packet - * throughput, so unsplit small packets and save the alloc/put*/ - 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 - * very long */ - pci_dma_sync_single_for_cpu(pdev, - ps_page_dma->ps_page_dma[0], - PAGE_SIZE, - PCI_DMA_FROMDEVICE); - vaddr = kmap_atomic(ps_page->ps_page[0], - KM_SKB_DATA_SOFTIRQ); - memcpy(skb_tail_pointer(skb), vaddr, l1); - kunmap_atomic(vaddr, KM_SKB_DATA_SOFTIRQ); - pci_dma_sync_single_for_device(pdev, - ps_page_dma->ps_page_dma[0], - PAGE_SIZE, PCI_DMA_FROMDEVICE); - /* remove the CRC */ - l1 -= 4; - skb_put(skb, l1); - goto copydone; - } /* if */ - } - - for (j = 0; j < adapter->rx_ps_pages; j++) { - if (!(length= le16_to_cpu(rx_desc->wb.upper.length[j]))) - break; - pci_unmap_page(pdev, ps_page_dma->ps_page_dma[j], - PAGE_SIZE, PCI_DMA_FROMDEVICE); - ps_page_dma->ps_page_dma[j] = 0; - skb_fill_page_desc(skb, j, ps_page->ps_page[j], 0, - length); - ps_page->ps_page[j] = NULL; - skb->len += length; - skb->data_len += length; - skb->truesize += length; - } - - /* strip the ethernet crc, problem is we're using pages now so - * this whole operation can get a little cpu intensive */ - 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 (likely(rx_desc->wb.upper.header_status & - cpu_to_le16(E1000_RXDPS_HDRSTAT_HDRSP))) - adapter->rx_hdr_split++; -#ifdef CONFIG_E1000_NAPI - if (unlikely(adapter->vlgrp && (staterr & E1000_RXD_STAT_VP))) { - vlan_hwaccel_receive_skb(skb, adapter->vlgrp, - le16_to_cpu(rx_desc->wb.middle.vlan) & - E1000_RXD_SPC_VLAN_MASK); - } else { - netif_receive_skb(skb); - } -#else /* CONFIG_E1000_NAPI */ - if (unlikely(adapter->vlgrp && (staterr & E1000_RXD_STAT_VP))) { - vlan_hwaccel_rx(skb, adapter->vlgrp, - le16_to_cpu(rx_desc->wb.middle.vlan) & - E1000_RXD_SPC_VLAN_MASK); - } else { - netif_rx(skb); - } -#endif /* CONFIG_E1000_NAPI */ netdev->last_rx = jiffies; next_desc: - rx_desc->wb.middle.status_error &= cpu_to_le32(~0xFF); - buffer_info->skb = NULL; + rx_desc->status = 0; /* return some buffers to hardware, one at a time is too slow */ if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) { @@ -4526,8 +4117,6 @@ next_desc: /* use prefetched values */ rx_desc = next_rxd; buffer_info = next_buffer; - - staterr = le32_to_cpu(rx_desc->wb.middle.status_error); } rx_ring->next_to_clean = i; @@ -4547,11 +4136,11 @@ next_desc: * @adapter: address of board private structure **/ -static void -e1000_alloc_rx_buffers(struct e1000_adapter *adapter, - struct e1000_rx_ring *rx_ring, - int cleaned_count) +static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter, + struct e1000_rx_ring *rx_ring, + int cleaned_count) { + struct e1000_hw *hw = &adapter->hw; struct net_device *netdev = adapter->netdev; struct pci_dev *pdev = adapter->pdev; struct e1000_rx_desc *rx_desc; @@ -4649,105 +4238,7 @@ map_skb: * applicable for weak-ordered memory model archs, * such as IA-64). */ wmb(); - writel(i, adapter->hw.hw_addr + rx_ring->rdt); - } -} - -/** - * e1000_alloc_rx_buffers_ps - Replace used receive buffers; packet split - * @adapter: address of board private structure - **/ - -static void -e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter, - struct e1000_rx_ring *rx_ring, - int cleaned_count) -{ - struct net_device *netdev = adapter->netdev; - struct pci_dev *pdev = adapter->pdev; - union e1000_rx_desc_packet_split *rx_desc; - struct e1000_buffer *buffer_info; - struct e1000_ps_page *ps_page; - struct e1000_ps_page_dma *ps_page_dma; - struct sk_buff *skb; - unsigned int i, j; - - i = rx_ring->next_to_use; - buffer_info = &rx_ring->buffer_info[i]; - ps_page = &rx_ring->ps_page[i]; - ps_page_dma = &rx_ring->ps_page_dma[i]; - - while (cleaned_count--) { - rx_desc = E1000_RX_DESC_PS(*rx_ring, i); - - for (j = 0; j < PS_PAGE_BUFFERS; j++) { - if (j < adapter->rx_ps_pages) { - if (likely(!ps_page->ps_page[j])) { - ps_page->ps_page[j] = - alloc_page(GFP_ATOMIC); - if (unlikely(!ps_page->ps_page[j])) { - adapter->alloc_rx_buff_failed++; - goto no_buffers; - } - ps_page_dma->ps_page_dma[j] = - pci_map_page(pdev, - ps_page->ps_page[j], - 0, PAGE_SIZE, - PCI_DMA_FROMDEVICE); - } - /* Refresh the desc even if buffer_addrs didn't - * change because each write-back erases - * this info. - */ - rx_desc->read.buffer_addr[j+1] = - cpu_to_le64(ps_page_dma->ps_page_dma[j]); - } else - rx_desc->read.buffer_addr[j+1] = ~cpu_to_le64(0); - } - - skb = netdev_alloc_skb(netdev, - adapter->rx_ps_bsize0 + NET_IP_ALIGN); - - if (unlikely(!skb)) { - adapter->alloc_rx_buff_failed++; - break; - } - - /* Make buffer alignment 2 beyond a 16 byte boundary - * this will result in a 16 byte aligned IP header after - * the 14 byte MAC header is removed - */ - skb_reserve(skb, NET_IP_ALIGN); - - buffer_info->skb = skb; - buffer_info->length = adapter->rx_ps_bsize0; - buffer_info->dma = pci_map_single(pdev, skb->data, - adapter->rx_ps_bsize0, - PCI_DMA_FROMDEVICE); - - rx_desc->read.buffer_addr[0] = cpu_to_le64(buffer_info->dma); - - if (unlikely(++i == rx_ring->count)) i = 0; - buffer_info = &rx_ring->buffer_info[i]; - ps_page = &rx_ring->ps_page[i]; - ps_page_dma = &rx_ring->ps_page_dma[i]; - } - -no_buffers: - if (likely(rx_ring->next_to_use != i)) { - rx_ring->next_to_use = i; - if (unlikely(i-- == 0)) i = (rx_ring->count - 1); - - /* Force memory writes to complete before letting h/w - * know there are new descriptors to fetch. (Only - * applicable for weak-ordered memory model archs, - * such as IA-64). */ - wmb(); - /* Hardware increments by 16 bytes, but packet split - * descriptors are 32 bytes...so we increment tail - * twice as much. - */ - writel(i<<1, adapter->hw.hw_addr + rx_ring->rdt); + writel(i, hw->hw_addr + rx_ring->rdt); } } @@ -4756,49 +4247,49 @@ no_buffers: * @adapter: **/ -static void -e1000_smartspeed(struct e1000_adapter *adapter) +static void e1000_smartspeed(struct e1000_adapter *adapter) { + struct e1000_hw *hw = &adapter->hw; u16 phy_status; u16 phy_ctrl; - if ((adapter->hw.phy_type != e1000_phy_igp) || !adapter->hw.autoneg || - !(adapter->hw.autoneg_advertised & ADVERTISE_1000_FULL)) + if ((hw->phy_type != e1000_phy_igp) || !hw->autoneg || + !(hw->autoneg_advertised & ADVERTISE_1000_FULL)) return; if (adapter->smartspeed == 0) { /* If Master/Slave config fault is asserted twice, * we assume back-to-back */ - e1000_read_phy_reg(&adapter->hw, PHY_1000T_STATUS, &phy_status); + e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status); if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return; - e1000_read_phy_reg(&adapter->hw, PHY_1000T_STATUS, &phy_status); + e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status); if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return; - e1000_read_phy_reg(&adapter->hw, PHY_1000T_CTRL, &phy_ctrl); + e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl); if (phy_ctrl & CR_1000T_MS_ENABLE) { phy_ctrl &= ~CR_1000T_MS_ENABLE; - e1000_write_phy_reg(&adapter->hw, PHY_1000T_CTRL, + e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_ctrl); adapter->smartspeed++; - if (!e1000_phy_setup_autoneg(&adapter->hw) && - !e1000_read_phy_reg(&adapter->hw, PHY_CTRL, + if (!e1000_phy_setup_autoneg(hw) && + !e1000_read_phy_reg(hw, PHY_CTRL, &phy_ctrl)) { phy_ctrl |= (MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG); - e1000_write_phy_reg(&adapter->hw, PHY_CTRL, + e1000_write_phy_reg(hw, PHY_CTRL, phy_ctrl); } } return; } else if (adapter->smartspeed == E1000_SMARTSPEED_DOWNSHIFT) { /* If still no link, perhaps using 2/3 pair cable */ - e1000_read_phy_reg(&adapter->hw, PHY_1000T_CTRL, &phy_ctrl); + e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl); phy_ctrl |= CR_1000T_MS_ENABLE; - e1000_write_phy_reg(&adapter->hw, PHY_1000T_CTRL, phy_ctrl); - if (!e1000_phy_setup_autoneg(&adapter->hw) && - !e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_ctrl)) { + e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_ctrl); + if (!e1000_phy_setup_autoneg(hw) && + !e1000_read_phy_reg(hw, PHY_CTRL, &phy_ctrl)) { phy_ctrl |= (MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG); - e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_ctrl); + e1000_write_phy_reg(hw, PHY_CTRL, phy_ctrl); } } /* Restart process after E1000_SMARTSPEED_MAX iterations */ @@ -4813,8 +4304,7 @@ e1000_smartspeed(struct e1000_adapter *adapter) * @cmd: **/ -static int -e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) +static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) { switch (cmd) { case SIOCGMIIPHY: @@ -4833,28 +4323,29 @@ e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) * @cmd: **/ -static int -e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) +static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, + int cmd) { struct e1000_adapter *adapter = netdev_priv(netdev); + struct e1000_hw *hw = &adapter->hw; struct mii_ioctl_data *data = if_mii(ifr); int retval; u16 mii_reg; u16 spddplx; unsigned long flags; - if (adapter->hw.media_type != e1000_media_type_copper) + if (hw->media_type != e1000_media_type_copper) return -EOPNOTSUPP; switch (cmd) { case SIOCGMIIPHY: - data->phy_id = adapter->hw.phy_addr; + data->phy_id = hw->phy_addr; break; case SIOCGMIIREG: if (!capable(CAP_NET_ADMIN)) return -EPERM; spin_lock_irqsave(&adapter->stats_lock, flags); - if (e1000_read_phy_reg(&adapter->hw, data->reg_num & 0x1F, + if (e1000_read_phy_reg(hw, data->reg_num & 0x1F, &data->val_out)) { spin_unlock_irqrestore(&adapter->stats_lock, flags); return -EIO; @@ -4868,20 +4359,20 @@ e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) return -EFAULT; mii_reg = data->val_in; spin_lock_irqsave(&adapter->stats_lock, flags); - if (e1000_write_phy_reg(&adapter->hw, data->reg_num, + if (e1000_write_phy_reg(hw, data->reg_num, mii_reg)) { spin_unlock_irqrestore(&adapter->stats_lock, flags); return -EIO; } spin_unlock_irqrestore(&adapter->stats_lock, flags); - if (adapter->hw.media_type == e1000_media_type_copper) { + if (hw->media_type == e1000_media_type_copper) { switch (data->reg_num) { case PHY_CTRL: if (mii_reg & MII_CR_POWER_DOWN) break; if (mii_reg & MII_CR_AUTO_NEG_EN) { - adapter->hw.autoneg = 1; - adapter->hw.autoneg_advertised = 0x2F; + hw->autoneg = 1; + hw->autoneg_advertised = 0x2F; } else { if (mii_reg & 0x40) spddplx = SPEED_1000; @@ -4904,7 +4395,7 @@ e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) break; case M88E1000_PHY_SPEC_CTRL: case M88E1000_EXT_PHY_SPEC_CTRL: - if (e1000_phy_reset(&adapter->hw)) + if (e1000_phy_reset(hw)) return -EIO; break; } @@ -4927,8 +4418,7 @@ e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) return E1000_SUCCESS; } -void -e1000_pci_set_mwi(struct e1000_hw *hw) +void e1000_pci_set_mwi(struct e1000_hw *hw) { struct e1000_adapter *adapter = hw->back; int ret_val = pci_set_mwi(adapter->pdev); @@ -4937,30 +4427,26 @@ e1000_pci_set_mwi(struct e1000_hw *hw) DPRINTK(PROBE, ERR, "Error in setting MWI\n"); } -void -e1000_pci_clear_mwi(struct e1000_hw *hw) +void e1000_pci_clear_mwi(struct e1000_hw *hw) { struct e1000_adapter *adapter = hw->back; pci_clear_mwi(adapter->pdev); } -int -e1000_pcix_get_mmrbc(struct e1000_hw *hw) +int e1000_pcix_get_mmrbc(struct e1000_hw *hw) { struct e1000_adapter *adapter = hw->back; return pcix_get_mmrbc(adapter->pdev); } -void -e1000_pcix_set_mmrbc(struct e1000_hw *hw, int mmrbc) +void e1000_pcix_set_mmrbc(struct e1000_hw *hw, int mmrbc) { struct e1000_adapter *adapter = hw->back; pcix_set_mmrbc(adapter->pdev, mmrbc); } -s32 -e1000_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value) +s32 e1000_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value) { struct e1000_adapter *adapter = hw->back; u16 cap_offset; @@ -4974,16 +4460,16 @@ e1000_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value) return E1000_SUCCESS; } -void -e1000_io_write(struct e1000_hw *hw, unsigned long port, u32 value) +void e1000_io_write(struct e1000_hw *hw, unsigned long port, u32 value) { outl(value, port); } -static void -e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp) +static void e1000_vlan_rx_register(struct net_device *netdev, + struct vlan_group *grp) { struct e1000_adapter *adapter = netdev_priv(netdev); + struct e1000_hw *hw = &adapter->hw; u32 ctrl, rctl; if (!test_bit(__E1000_DOWN, &adapter->flags)) @@ -4992,29 +4478,24 @@ e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp) if (grp) { /* enable VLAN tag insert/strip */ - ctrl = E1000_READ_REG(&adapter->hw, CTRL); + ctrl = er32(CTRL); ctrl |= E1000_CTRL_VME; - E1000_WRITE_REG(&adapter->hw, CTRL, ctrl); + ew32(CTRL, ctrl); if (adapter->hw.mac_type != e1000_ich8lan) { /* enable VLAN receive filtering */ - rctl = E1000_READ_REG(&adapter->hw, RCTL); - rctl |= E1000_RCTL_VFE; + rctl = er32(RCTL); rctl &= ~E1000_RCTL_CFIEN; - E1000_WRITE_REG(&adapter->hw, RCTL, rctl); + ew32(RCTL, rctl); e1000_update_mng_vlan(adapter); } } else { /* disable VLAN tag insert/strip */ - ctrl = E1000_READ_REG(&adapter->hw, CTRL); + ctrl = er32(CTRL); ctrl &= ~E1000_CTRL_VME; - E1000_WRITE_REG(&adapter->hw, CTRL, ctrl); + ew32(CTRL, ctrl); if (adapter->hw.mac_type != e1000_ich8lan) { - /* disable VLAN filtering */ - rctl = E1000_READ_REG(&adapter->hw, RCTL); - rctl &= ~E1000_RCTL_VFE; - E1000_WRITE_REG(&adapter->hw, RCTL, rctl); if (adapter->mng_vlan_id != (u16)E1000_MNG_VLAN_NONE) { e1000_vlan_rx_kill_vid(netdev, @@ -5028,27 +4509,27 @@ e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp) e1000_irq_enable(adapter); } -static void -e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid) +static void e1000_vlan_rx_add_vid(struct net_device *netdev, u16 vid) { struct e1000_adapter *adapter = netdev_priv(netdev); + struct e1000_hw *hw = &adapter->hw; u32 vfta, index; - if ((adapter->hw.mng_cookie.status & + if ((hw->mng_cookie.status & E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) && (vid == adapter->mng_vlan_id)) return; /* add VID to filter table */ index = (vid >> 5) & 0x7F; - vfta = E1000_READ_REG_ARRAY(&adapter->hw, VFTA, index); + vfta = E1000_READ_REG_ARRAY(hw, VFTA, index); vfta |= (1 << (vid & 0x1F)); - e1000_write_vfta(&adapter->hw, index, vfta); + e1000_write_vfta(hw, index, vfta); } -static void -e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid) +static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid) { struct e1000_adapter *adapter = netdev_priv(netdev); + struct e1000_hw *hw = &adapter->hw; u32 vfta, index; if (!test_bit(__E1000_DOWN, &adapter->flags)) @@ -5057,7 +4538,7 @@ e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid) if (!test_bit(__E1000_DOWN, &adapter->flags)) e1000_irq_enable(adapter); - if ((adapter->hw.mng_cookie.status & + if ((hw->mng_cookie.status & E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) && (vid == adapter->mng_vlan_id)) { /* release control to f/w */ @@ -5067,13 +4548,12 @@ e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid) /* remove VID from filter table */ index = (vid >> 5) & 0x7F; - vfta = E1000_READ_REG_ARRAY(&adapter->hw, VFTA, index); + vfta = E1000_READ_REG_ARRAY(hw, VFTA, index); vfta &= ~(1 << (vid & 0x1F)); - e1000_write_vfta(&adapter->hw, index, vfta); + e1000_write_vfta(hw, index, vfta); } -static void -e1000_restore_vlan(struct e1000_adapter *adapter) +static void e1000_restore_vlan(struct e1000_adapter *adapter) { e1000_vlan_rx_register(adapter->netdev, adapter->vlgrp); @@ -5087,13 +4567,14 @@ e1000_restore_vlan(struct e1000_adapter *adapter) } } -int -e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx) +int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx) { - adapter->hw.autoneg = 0; + struct e1000_hw *hw = &adapter->hw; + + hw->autoneg = 0; /* Fiber NICs only allow 1000 gbps Full duplex */ - if ((adapter->hw.media_type == e1000_media_type_fiber) && + if ((hw->media_type == e1000_media_type_fiber) && spddplx != (SPEED_1000 + DUPLEX_FULL)) { DPRINTK(PROBE, ERR, "Unsupported Speed/Duplex configuration\n"); return -EINVAL; @@ -5101,20 +4582,20 @@ e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx) switch (spddplx) { case SPEED_10 + DUPLEX_HALF: - adapter->hw.forced_speed_duplex = e1000_10_half; + hw->forced_speed_duplex = e1000_10_half; break; case SPEED_10 + DUPLEX_FULL: - adapter->hw.forced_speed_duplex = e1000_10_full; + hw->forced_speed_duplex = e1000_10_full; break; case SPEED_100 + DUPLEX_HALF: - adapter->hw.forced_speed_duplex = e1000_100_half; + hw->forced_speed_duplex = e1000_100_half; break; case SPEED_100 + DUPLEX_FULL: - adapter->hw.forced_speed_duplex = e1000_100_full; + hw->forced_speed_duplex = e1000_100_full; break; case SPEED_1000 + DUPLEX_FULL: - adapter->hw.autoneg = 1; - adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL; + hw->autoneg = 1; + hw->autoneg_advertised = ADVERTISE_1000_FULL; break; case SPEED_1000 + DUPLEX_HALF: /* not supported */ default: @@ -5124,11 +4605,11 @@ e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx) return 0; } -static int -e1000_suspend(struct pci_dev *pdev, pm_message_t state) +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); + struct e1000_hw *hw = &adapter->hw; u32 ctrl, ctrl_ext, rctl, status; u32 wufc = adapter->wol; #ifdef CONFIG_PM @@ -5148,7 +4629,7 @@ e1000_suspend(struct pci_dev *pdev, pm_message_t state) return retval; #endif - status = E1000_READ_REG(&adapter->hw, STATUS); + status = er32(STATUS); if (status & E1000_STATUS_LU) wufc &= ~E1000_WUFC_LNKC; @@ -5158,40 +4639,40 @@ e1000_suspend(struct pci_dev *pdev, pm_message_t state) /* turn on all-multi mode if wake on multicast is enabled */ if (wufc & E1000_WUFC_MC) { - rctl = E1000_READ_REG(&adapter->hw, RCTL); + rctl = er32(RCTL); rctl |= E1000_RCTL_MPE; - E1000_WRITE_REG(&adapter->hw, RCTL, rctl); + ew32(RCTL, rctl); } - if (adapter->hw.mac_type >= e1000_82540) { - ctrl = E1000_READ_REG(&adapter->hw, CTRL); + if (hw->mac_type >= e1000_82540) { + ctrl = er32(CTRL); /* advertise wake from D3Cold */ #define E1000_CTRL_ADVD3WUC 0x00100000 /* phy power management enable */ #define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000 ctrl |= E1000_CTRL_ADVD3WUC | E1000_CTRL_EN_PHY_PWR_MGMT; - E1000_WRITE_REG(&adapter->hw, CTRL, ctrl); + ew32(CTRL, ctrl); } - if (adapter->hw.media_type == e1000_media_type_fiber || - adapter->hw.media_type == e1000_media_type_internal_serdes) { + if (hw->media_type == e1000_media_type_fiber || + hw->media_type == e1000_media_type_internal_serdes) { /* keep the laser running in D3 */ - ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT); + ctrl_ext = er32(CTRL_EXT); ctrl_ext |= E1000_CTRL_EXT_SDP7_DATA; - E1000_WRITE_REG(&adapter->hw, CTRL_EXT, ctrl_ext); + ew32(CTRL_EXT, ctrl_ext); } /* Allow time for pending master requests to run */ - e1000_disable_pciex_master(&adapter->hw); + e1000_disable_pciex_master(hw); - E1000_WRITE_REG(&adapter->hw, WUC, E1000_WUC_PME_EN); - E1000_WRITE_REG(&adapter->hw, WUFC, wufc); + ew32(WUC, E1000_WUC_PME_EN); + ew32(WUFC, wufc); pci_enable_wake(pdev, PCI_D3hot, 1); pci_enable_wake(pdev, PCI_D3cold, 1); } else { - E1000_WRITE_REG(&adapter->hw, WUC, 0); - E1000_WRITE_REG(&adapter->hw, WUFC, 0); + ew32(WUC, 0); + ew32(WUFC, 0); pci_enable_wake(pdev, PCI_D3hot, 0); pci_enable_wake(pdev, PCI_D3cold, 0); } @@ -5204,8 +4685,8 @@ e1000_suspend(struct pci_dev *pdev, pm_message_t state) pci_enable_wake(pdev, PCI_D3cold, 1); } - if (adapter->hw.phy_type == e1000_phy_igp_3) - e1000_phy_powerdown_workaround(&adapter->hw); + if (hw->phy_type == e1000_phy_igp_3) + e1000_phy_powerdown_workaround(hw); if (netif_running(netdev)) e1000_free_irq(adapter); @@ -5222,16 +4703,21 @@ e1000_suspend(struct pci_dev *pdev, pm_message_t state) } #ifdef CONFIG_PM -static int -e1000_resume(struct pci_dev *pdev) +static int e1000_resume(struct pci_dev *pdev) { struct net_device *netdev = pci_get_drvdata(pdev); struct e1000_adapter *adapter = netdev_priv(netdev); + struct e1000_hw *hw = &adapter->hw; u32 err; pci_set_power_state(pdev, PCI_D0); pci_restore_state(pdev); - if ((err = pci_enable_device(pdev))) { + + if (adapter->need_ioport) + err = pci_enable_device(pdev); + else + err = pci_enable_device_mem(pdev); + if (err) { printk(KERN_ERR "e1000: Cannot enable PCI device from suspend\n"); return err; } @@ -5240,12 +4726,15 @@ e1000_resume(struct pci_dev *pdev) pci_enable_wake(pdev, PCI_D3hot, 0); pci_enable_wake(pdev, PCI_D3cold, 0); - if (netif_running(netdev) && (err = e1000_request_irq(adapter))) - return err; + if (netif_running(netdev)) { + err = e1000_request_irq(adapter); + if (err) + return err; + } e1000_power_up_phy(adapter); e1000_reset(adapter); - E1000_WRITE_REG(&adapter->hw, WUS, ~0); + ew32(WUS, ~0); e1000_init_manageability(adapter); @@ -5258,8 +4747,8 @@ e1000_resume(struct pci_dev *pdev) * 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)) + if (hw->mac_type != e1000_82573 || + !e1000_check_mng_mode(hw)) e1000_get_hw_control(adapter); return 0; @@ -5277,17 +4766,12 @@ static void e1000_shutdown(struct pci_dev *pdev) * without having to re-enable interrupts. It's not called while * the interrupt routine is executing. */ -static void -e1000_netpoll(struct net_device *netdev) +static void e1000_netpoll(struct net_device *netdev) { struct e1000_adapter *adapter = netdev_priv(netdev); disable_irq(adapter->pdev->irq); e1000_intr(adapter->pdev->irq, netdev); - e1000_clean_tx_irq(adapter, adapter->tx_ring); -#ifndef CONFIG_E1000_NAPI - adapter->clean_rx(adapter, adapter->rx_ring); -#endif enable_irq(adapter->pdev->irq); } #endif @@ -5300,7 +4784,8 @@ e1000_netpoll(struct net_device *netdev) * This function is called after a PCI bus error affecting * this device has been detected. */ -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_error_detected(struct pci_dev *pdev, + pci_channel_state_t state) { struct net_device *netdev = pci_get_drvdata(pdev); struct e1000_adapter *adapter = netdev->priv; @@ -5326,8 +4811,14 @@ static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev) { struct net_device *netdev = pci_get_drvdata(pdev); struct e1000_adapter *adapter = netdev->priv; + struct e1000_hw *hw = &adapter->hw; + int err; - if (pci_enable_device(pdev)) { + if (adapter->need_ioport) + err = pci_enable_device(pdev); + else + err = pci_enable_device_mem(pdev); + if (err) { printk(KERN_ERR "e1000: Cannot re-enable PCI device after reset.\n"); return PCI_ERS_RESULT_DISCONNECT; } @@ -5337,7 +4828,7 @@ static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev) pci_enable_wake(pdev, PCI_D3cold, 0); e1000_reset(adapter); - E1000_WRITE_REG(&adapter->hw, WUS, ~0); + ew32(WUS, ~0); return PCI_ERS_RESULT_RECOVERED; } @@ -5354,6 +4845,7 @@ static void e1000_io_resume(struct pci_dev *pdev) { struct net_device *netdev = pci_get_drvdata(pdev); struct e1000_adapter *adapter = netdev->priv; + struct e1000_hw *hw = &adapter->hw; e1000_init_manageability(adapter); @@ -5370,8 +4862,8 @@ static void e1000_io_resume(struct pci_dev *pdev) * 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)) + if (hw->mac_type != e1000_82573 || + !e1000_check_mng_mode(hw)) e1000_get_hw_control(adapter); } |