diff options
Diffstat (limited to 'drivers/net/ethernet/intel/e1000e')
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/Makefile | 7 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/defines.h | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/ethtool.c | 87 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/hw.h | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/ich8lan.c | 80 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/netdev.c | 201 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/phy.c | 182 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/phy.h | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/ptp.c | 3 |
9 files changed, 318 insertions, 252 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/Makefile b/drivers/net/ethernet/intel/e1000e/Makefile index 0baa15503c38..18f22b6374d5 100644 --- a/drivers/net/ethernet/intel/e1000e/Makefile +++ b/drivers/net/ethernet/intel/e1000e/Makefile @@ -10,7 +10,6 @@ subdir-ccflags-y += -I$(src) obj-$(CONFIG_E1000E) += e1000e.o -e1000e-objs := 82571.o ich8lan.o 80003es2lan.o \ - mac.o manage.o nvm.o phy.o \ - param.o ethtool.o netdev.o ptp.o - +e1000e-y := 82571.o ich8lan.o 80003es2lan.o \ + mac.o manage.o nvm.o phy.o \ + param.o ethtool.o netdev.o ptp.o diff --git a/drivers/net/ethernet/intel/e1000e/defines.h b/drivers/net/ethernet/intel/e1000e/defines.h index 23a58cada43a..5e2cfa73f889 100644 --- a/drivers/net/ethernet/intel/e1000e/defines.h +++ b/drivers/net/ethernet/intel/e1000e/defines.h @@ -679,8 +679,6 @@ /* PCI/PCI-X/PCI-EX Config space */ #define PCI_HEADER_TYPE_REGISTER 0x0E -#define PCI_HEADER_TYPE_MULTIFUNC 0x80 - #define PHY_REVISION_MASK 0xFFFFFFF0 #define MAX_PHY_REG_ADDRESS 0x1F /* 5 bit address bus (0-0x1F) */ #define MAX_PHY_MULTI_PAGE_REG 0xF diff --git a/drivers/net/ethernet/intel/e1000e/ethtool.c b/drivers/net/ethernet/intel/e1000e/ethtool.c index fc0f98ea6133..9364bc2b4eb1 100644 --- a/drivers/net/ethernet/intel/e1000e/ethtool.c +++ b/drivers/net/ethernet/intel/e1000e/ethtool.c @@ -156,7 +156,7 @@ static int e1000_get_link_ksettings(struct net_device *netdev, speed = adapter->link_speed; cmd->base.duplex = adapter->link_duplex - 1; } - } else if (!pm_runtime_suspended(netdev->dev.parent)) { + } else { u32 status = er32(STATUS); if (status & E1000_STATUS_LU) { @@ -274,16 +274,13 @@ static int e1000_set_link_ksettings(struct net_device *netdev, ethtool_convert_link_mode_to_legacy_u32(&advertising, cmd->link_modes.advertising); - pm_runtime_get_sync(netdev->dev.parent); - /* When SoL/IDER sessions are active, autoneg/speed/duplex * cannot be changed */ if (hw->phy.ops.check_reset_block && hw->phy.ops.check_reset_block(hw)) { e_err("Cannot change link characteristics when SoL/IDER is active.\n"); - ret_val = -EINVAL; - goto out; + return -EINVAL; } /* MDI setting is only allowed when autoneg enabled because @@ -291,16 +288,13 @@ static int e1000_set_link_ksettings(struct net_device *netdev, * duplex is forced. */ if (cmd->base.eth_tp_mdix_ctrl) { - if (hw->phy.media_type != e1000_media_type_copper) { - ret_val = -EOPNOTSUPP; - goto out; - } + if (hw->phy.media_type != e1000_media_type_copper) + return -EOPNOTSUPP; if ((cmd->base.eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) && (cmd->base.autoneg != AUTONEG_ENABLE)) { e_err("forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n"); - ret_val = -EINVAL; - goto out; + return -EINVAL; } } @@ -347,7 +341,6 @@ static int e1000_set_link_ksettings(struct net_device *netdev, } out: - pm_runtime_put_sync(netdev->dev.parent); clear_bit(__E1000_RESETTING, &adapter->state); return ret_val; } @@ -383,8 +376,6 @@ static int e1000_set_pauseparam(struct net_device *netdev, while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) usleep_range(1000, 2000); - pm_runtime_get_sync(netdev->dev.parent); - if (adapter->fc_autoneg == AUTONEG_ENABLE) { hw->fc.requested_mode = e1000_fc_default; if (netif_running(adapter->netdev)) { @@ -417,7 +408,6 @@ static int e1000_set_pauseparam(struct net_device *netdev, } out: - pm_runtime_put_sync(netdev->dev.parent); clear_bit(__E1000_RESETTING, &adapter->state); return retval; } @@ -448,8 +438,6 @@ static void e1000_get_regs(struct net_device *netdev, u32 *regs_buff = p; u16 phy_data; - pm_runtime_get_sync(netdev->dev.parent); - memset(p, 0, E1000_REGS_LEN * sizeof(u32)); regs->version = (1u << 24) | @@ -495,8 +483,6 @@ static void e1000_get_regs(struct net_device *netdev, e1e_rphy(hw, MII_STAT1000, &phy_data); regs_buff[24] = (u32)phy_data; /* phy local receiver status */ regs_buff[25] = regs_buff[24]; /* phy remote receiver status */ - - pm_runtime_put_sync(netdev->dev.parent); } static int e1000_get_eeprom_len(struct net_device *netdev) @@ -529,8 +515,6 @@ static int e1000_get_eeprom(struct net_device *netdev, if (!eeprom_buff) return -ENOMEM; - pm_runtime_get_sync(netdev->dev.parent); - if (hw->nvm.type == e1000_nvm_eeprom_spi) { ret_val = e1000_read_nvm(hw, first_word, last_word - first_word + 1, @@ -544,8 +528,6 @@ static int e1000_get_eeprom(struct net_device *netdev, } } - pm_runtime_put_sync(netdev->dev.parent); - if (ret_val) { /* a read error occurred, throw away the result */ memset(eeprom_buff, 0xff, sizeof(u16) * @@ -595,8 +577,6 @@ static int e1000_set_eeprom(struct net_device *netdev, ptr = (void *)eeprom_buff; - pm_runtime_get_sync(netdev->dev.parent); - if (eeprom->offset & 1) { /* need read/modify/write of first changed EEPROM word */ /* only the second byte of the word is being modified */ @@ -637,7 +617,6 @@ static int e1000_set_eeprom(struct net_device *netdev, ret_val = e1000e_update_nvm_checksum(hw); out: - pm_runtime_put_sync(netdev->dev.parent); kfree(eeprom_buff); return ret_val; } @@ -733,8 +712,6 @@ static int e1000_set_ringparam(struct net_device *netdev, } } - pm_runtime_get_sync(netdev->dev.parent); - e1000e_down(adapter, true); /* We can't just free everything and then setup again, because the @@ -773,7 +750,6 @@ err_setup_rx: e1000e_free_tx_resources(temp_tx); err_setup: e1000e_up(adapter); - pm_runtime_put_sync(netdev->dev.parent); free_temp: vfree(temp_tx); vfree(temp_rx); @@ -1816,8 +1792,6 @@ static void e1000_diag_test(struct net_device *netdev, u8 autoneg; bool if_running = netif_running(netdev); - pm_runtime_get_sync(netdev->dev.parent); - set_bit(__E1000_TESTING, &adapter->state); if (!if_running) { @@ -1903,8 +1877,6 @@ static void e1000_diag_test(struct net_device *netdev, } msleep_interruptible(4 * 1000); - - pm_runtime_put_sync(netdev->dev.parent); } static void e1000_get_wol(struct net_device *netdev, @@ -2046,15 +2018,11 @@ static int e1000_set_coalesce(struct net_device *netdev, adapter->itr_setting = adapter->itr & ~3; } - pm_runtime_get_sync(netdev->dev.parent); - if (adapter->itr_setting != 0) e1000e_write_itr(adapter, adapter->itr); else e1000e_write_itr(adapter, 0); - pm_runtime_put_sync(netdev->dev.parent); - return 0; } @@ -2068,9 +2036,7 @@ static int e1000_nway_reset(struct net_device *netdev) if (!adapter->hw.mac.autoneg) return -EINVAL; - pm_runtime_get_sync(netdev->dev.parent); e1000e_reinit_locked(adapter); - pm_runtime_put_sync(netdev->dev.parent); return 0; } @@ -2084,12 +2050,8 @@ static void e1000_get_ethtool_stats(struct net_device *netdev, int i; char *p = NULL; - pm_runtime_get_sync(netdev->dev.parent); - dev_get_stats(netdev, &net_stats); - pm_runtime_put_sync(netdev->dev.parent); - for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { switch (e1000_gstrings_stats[i].type) { case NETDEV_STATS: @@ -2146,9 +2108,7 @@ static int e1000_get_rxnfc(struct net_device *netdev, struct e1000_hw *hw = &adapter->hw; u32 mrqc; - pm_runtime_get_sync(netdev->dev.parent); mrqc = er32(MRQC); - pm_runtime_put_sync(netdev->dev.parent); if (!(mrqc & E1000_MRQC_RSS_FIELD_MASK)) return 0; @@ -2186,7 +2146,7 @@ static int e1000_get_rxnfc(struct net_device *netdev, } } -static int e1000e_get_eee(struct net_device *netdev, struct ethtool_eee *edata) +static int e1000e_get_eee(struct net_device *netdev, struct ethtool_keee *edata) { struct e1000_adapter *adapter = netdev_priv(netdev); struct e1000_hw *hw = &adapter->hw; @@ -2211,28 +2171,24 @@ static int e1000e_get_eee(struct net_device *netdev, struct ethtool_eee *edata) return -EOPNOTSUPP; } - pm_runtime_get_sync(netdev->dev.parent); - ret_val = hw->phy.ops.acquire(hw); - if (ret_val) { - pm_runtime_put_sync(netdev->dev.parent); + if (ret_val) return -EBUSY; - } /* EEE Capability */ ret_val = e1000_read_emi_reg_locked(hw, cap_addr, &phy_data); if (ret_val) goto release; - edata->supported = mmd_eee_cap_to_ethtool_sup_t(phy_data); + mii_eee_cap1_mod_linkmode_t(edata->supported, phy_data); /* EEE Advertised */ - edata->advertised = mmd_eee_adv_to_ethtool_adv_t(adapter->eee_advert); + mii_eee_cap1_mod_linkmode_t(edata->advertised, adapter->eee_advert); /* EEE Link Partner Advertised */ ret_val = e1000_read_emi_reg_locked(hw, lpa_addr, &phy_data); if (ret_val) goto release; - edata->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(phy_data); + mii_eee_cap1_mod_linkmode_t(edata->lp_advertised, phy_data); /* EEE PCS Status */ ret_val = e1000_read_emi_reg_locked(hw, pcs_stat_addr, &phy_data); @@ -2257,16 +2213,16 @@ release: if (ret_val) ret_val = -ENODATA; - pm_runtime_put_sync(netdev->dev.parent); - return ret_val; } -static int e1000e_set_eee(struct net_device *netdev, struct ethtool_eee *edata) +static int e1000e_set_eee(struct net_device *netdev, struct ethtool_keee *edata) { struct e1000_adapter *adapter = netdev_priv(netdev); + __ETHTOOL_DECLARE_LINK_MODE_MASK(supported) = {}; + __ETHTOOL_DECLARE_LINK_MODE_MASK(tmp) = {}; struct e1000_hw *hw = &adapter->hw; - struct ethtool_eee eee_curr; + struct ethtool_keee eee_curr; s32 ret_val; ret_val = e1000e_get_eee(netdev, &eee_curr); @@ -2283,30 +2239,31 @@ static int e1000e_set_eee(struct net_device *netdev, struct ethtool_eee *edata) return -EINVAL; } - if (edata->advertised & ~(ADVERTISE_100_FULL | ADVERTISE_1000_FULL)) { + linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, + supported); + linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, + supported); + + if (linkmode_andnot(tmp, edata->advertised, supported)) { e_err("EEE advertisement supports only 100TX and/or 1000T full-duplex\n"); return -EINVAL; } - adapter->eee_advert = ethtool_adv_to_mmd_eee_adv_t(edata->advertised); + adapter->eee_advert = linkmode_to_mii_eee_cap1_t(edata->advertised); hw->dev_spec.ich8lan.eee_disable = !edata->eee_enabled; - pm_runtime_get_sync(netdev->dev.parent); - /* reset the link */ if (netif_running(netdev)) e1000e_reinit_locked(adapter); else e1000e_reset(adapter); - pm_runtime_put_sync(netdev->dev.parent); - return 0; } static int e1000e_get_ts_info(struct net_device *netdev, - struct ethtool_ts_info *info) + struct kernel_ethtool_ts_info *info) { struct e1000_adapter *adapter = netdev_priv(netdev); diff --git a/drivers/net/ethernet/intel/e1000e/hw.h b/drivers/net/ethernet/intel/e1000e/hw.h index 1fef6bb5a5fb..fc8ed38aa095 100644 --- a/drivers/net/ethernet/intel/e1000e/hw.h +++ b/drivers/net/ethernet/intel/e1000e/hw.h @@ -108,8 +108,8 @@ struct e1000_hw; #define E1000_DEV_ID_PCH_RPL_I219_V22 0x0DC8 #define E1000_DEV_ID_PCH_MTP_I219_LM18 0x550A #define E1000_DEV_ID_PCH_MTP_I219_V18 0x550B -#define E1000_DEV_ID_PCH_MTP_I219_LM19 0x550C -#define E1000_DEV_ID_PCH_MTP_I219_V19 0x550D +#define E1000_DEV_ID_PCH_ADP_I219_LM19 0x550C +#define E1000_DEV_ID_PCH_ADP_I219_V19 0x550D #define E1000_DEV_ID_PCH_LNP_I219_LM20 0x550E #define E1000_DEV_ID_PCH_LNP_I219_V20 0x550F #define E1000_DEV_ID_PCH_LNP_I219_LM21 0x5510 @@ -628,6 +628,7 @@ struct e1000_phy_info { u32 id; u32 reset_delay_us; /* in usec */ u32 revision; + u32 retry_count; enum e1000_media_type media_type; @@ -644,6 +645,7 @@ struct e1000_phy_info { bool polarity_correction; bool speed_downgraded; bool autoneg_wait_to_complete; + bool retry_enabled; }; struct e1000_nvm_info { diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c index 19e450a5bd31..2f9655cf5dd9 100644 --- a/drivers/net/ethernet/intel/e1000e/ich8lan.c +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c @@ -222,11 +222,18 @@ out: if (hw->mac.type >= e1000_pch_lpt) { /* Only unforce SMBus if ME is not active */ if (!(er32(FWSM) & E1000_ICH_FWSM_FW_VALID)) { + /* Switching PHY interface always returns MDI error + * so disable retry mechanism to avoid wasting time + */ + e1000e_disable_phy_retry(hw); + /* Unforce SMBus mode in PHY */ e1e_rphy_locked(hw, CV_SMB_CTRL, &phy_reg); phy_reg &= ~CV_SMB_CTRL_FORCE_SMBUS; e1e_wphy_locked(hw, CV_SMB_CTRL, phy_reg); + e1000e_enable_phy_retry(hw); + /* Unforce SMBus mode in MAC */ mac_reg = er32(CTRL_EXT); mac_reg &= ~E1000_CTRL_EXT_FORCE_SMBUS; @@ -310,6 +317,11 @@ static s32 e1000_init_phy_workarounds_pchlan(struct e1000_hw *hw) goto out; } + /* There is no guarantee that the PHY is accessible at this time + * so disable retry mechanism to avoid wasting time + */ + e1000e_disable_phy_retry(hw); + /* The MAC-PHY interconnect may be in SMBus mode. If the PHY is * inaccessible and resetting the PHY is not blocked, toggle the * LANPHYPC Value bit to force the interconnect to PCIe mode. @@ -380,6 +392,8 @@ static s32 e1000_init_phy_workarounds_pchlan(struct e1000_hw *hw) break; } + e1000e_enable_phy_retry(hw); + hw->phy.ops.release(hw); if (!ret_val) { @@ -449,6 +463,11 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw) phy->id = e1000_phy_unknown; + if (hw->mac.type == e1000_pch_mtp) { + phy->retry_count = 2; + e1000e_enable_phy_retry(hw); + } + ret_val = e1000_init_phy_workarounds_pchlan(hw); if (ret_val) return ret_val; @@ -1090,6 +1109,46 @@ static s32 e1000_platform_pm_pch_lpt(struct e1000_hw *hw, bool link) } /** + * e1000e_force_smbus - Force interfaces to transition to SMBUS mode. + * @hw: pointer to the HW structure + * + * Force the MAC and the PHY to SMBUS mode. Assumes semaphore already + * acquired. + * + * Return: 0 on success, negative errno on failure. + **/ +static s32 e1000e_force_smbus(struct e1000_hw *hw) +{ + u16 smb_ctrl = 0; + u32 ctrl_ext; + s32 ret_val; + + /* Switching PHY interface always returns MDI error + * so disable retry mechanism to avoid wasting time + */ + e1000e_disable_phy_retry(hw); + + /* Force SMBus mode in the PHY */ + ret_val = e1000_read_phy_reg_hv_locked(hw, CV_SMB_CTRL, &smb_ctrl); + if (ret_val) { + e1000e_enable_phy_retry(hw); + return ret_val; + } + + smb_ctrl |= CV_SMB_CTRL_FORCE_SMBUS; + e1000_write_phy_reg_hv_locked(hw, CV_SMB_CTRL, smb_ctrl); + + e1000e_enable_phy_retry(hw); + + /* Force SMBus mode in the MAC */ + ctrl_ext = er32(CTRL_EXT); + ctrl_ext |= E1000_CTRL_EXT_FORCE_SMBUS; + ew32(CTRL_EXT, ctrl_ext); + + return 0; +} + +/** * e1000_enable_ulp_lpt_lp - configure Ultra Low Power mode for LynxPoint-LP * @hw: pointer to the HW structure * @to_sx: boolean indicating a system power state transition to Sx @@ -1146,17 +1205,11 @@ s32 e1000_enable_ulp_lpt_lp(struct e1000_hw *hw, bool to_sx) if (ret_val) goto out; - /* Force SMBus mode in PHY */ - ret_val = e1000_read_phy_reg_hv_locked(hw, CV_SMB_CTRL, &phy_reg); - if (ret_val) + ret_val = e1000e_force_smbus(hw); + if (ret_val) { + e_dbg("Failed to force SMBUS: %d\n", ret_val); goto release; - phy_reg |= CV_SMB_CTRL_FORCE_SMBUS; - e1000_write_phy_reg_hv_locked(hw, CV_SMB_CTRL, phy_reg); - - /* Force SMBus mode in MAC */ - mac_reg = er32(CTRL_EXT); - mac_reg |= E1000_CTRL_EXT_FORCE_SMBUS; - ew32(CTRL_EXT, mac_reg); + } /* Si workaround for ULP entry flow on i127/rev6 h/w. Enable * LPLU and disable Gig speed when entering ULP @@ -1313,6 +1366,11 @@ static s32 e1000_disable_ulp_lpt_lp(struct e1000_hw *hw, bool force) /* Toggle LANPHYPC Value bit */ e1000_toggle_lanphypc_pch_lpt(hw); + /* Switching PHY interface always returns MDI error + * so disable retry mechanism to avoid wasting time + */ + e1000e_disable_phy_retry(hw); + /* Unforce SMBus mode in PHY */ ret_val = e1000_read_phy_reg_hv_locked(hw, CV_SMB_CTRL, &phy_reg); if (ret_val) { @@ -1333,6 +1391,8 @@ static s32 e1000_disable_ulp_lpt_lp(struct e1000_hw *hw, bool force) phy_reg &= ~CV_SMB_CTRL_FORCE_SMBUS; e1000_write_phy_reg_hv_locked(hw, CV_SMB_CTRL, phy_reg); + e1000e_enable_phy_retry(hw); + /* Unforce SMBus mode in MAC */ mac_reg = er32(CTRL_EXT); mac_reg &= ~E1000_CTRL_EXT_FORCE_SMBUS; diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index af5d9d97a0d6..286155efcedf 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -2928,11 +2928,8 @@ static void e1000_configure_tx(struct e1000_adapter *adapter) tx_ring->head = adapter->hw.hw_addr + E1000_TDH(0); tx_ring->tail = adapter->hw.hw_addr + E1000_TDT(0); - writel(0, tx_ring->head); if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA) e1000e_update_tdt_wa(tx_ring, 0); - else - writel(0, tx_ring->tail); /* Set the Tx Interrupt Delay register */ ew32(TIDV, adapter->tx_int_delay); @@ -3253,11 +3250,8 @@ static void e1000_configure_rx(struct e1000_adapter *adapter) rx_ring->head = adapter->hw.hw_addr + E1000_RDH(0); rx_ring->tail = adapter->hw.hw_addr + E1000_RDT(0); - writel(0, rx_ring->head); if (adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA) e1000e_update_rdt_wa(rx_ring, 0); - else - writel(0, rx_ring->tail); /* Enable Receive Checksum Offload for TCP and UDP */ rxcsum = er32(RXCSUM); @@ -4613,6 +4607,7 @@ int e1000e_open(struct net_device *netdev) struct e1000_hw *hw = &adapter->hw; struct pci_dev *pdev = adapter->pdev; int err; + int irq; /* disallow open during test */ if (test_bit(__E1000_TESTING, &adapter->state)) @@ -4676,7 +4671,15 @@ int e1000e_open(struct net_device *netdev) /* From here on the code is the same as e1000e_up() */ clear_bit(__E1000_DOWN, &adapter->state); + if (adapter->int_mode == E1000E_INT_MODE_MSIX) + irq = adapter->msix_entries[0].vector; + else + irq = adapter->pdev->irq; + + netif_napi_set_irq(&adapter->napi, irq); napi_enable(&adapter->napi); + netif_queue_set_napi(netdev, 0, NETDEV_QUEUE_TYPE_RX, &adapter->napi); + netif_queue_set_napi(netdev, 0, NETDEV_QUEUE_TYPE_TX, &adapter->napi); e1000_irq_enable(adapter); @@ -4735,6 +4738,8 @@ int e1000e_close(struct net_device *netdev) netdev_info(netdev, "NIC Link is Down\n"); } + netif_queue_set_napi(netdev, 0, NETDEV_QUEUE_TYPE_RX, NULL); + netif_queue_set_napi(netdev, 0, NETDEV_QUEUE_TYPE_TX, NULL); napi_disable(&adapter->napi); e1000e_free_tx_resources(adapter->tx_ring); @@ -6038,7 +6043,7 @@ static int e1000_change_mtu(struct net_device *netdev, int new_mtu) adapter->max_frame_size = max_frame; netdev_dbg(netdev, "changing MTU from %d to %d\n", netdev->mtu, new_mtu); - netdev->mtu = new_mtu; + WRITE_ONCE(netdev->mtu, new_mtu); pm_runtime_get_sync(netdev->dev.parent); @@ -6363,49 +6368,49 @@ static void e1000e_s0ix_entry_flow(struct e1000_adapter *adapter) mac_data |= E1000_EXTCNF_CTRL_GATE_PHY_CFG; ew32(EXTCNF_CTRL, mac_data); - /* Enable the Dynamic Power Gating in the MAC */ - mac_data = er32(FEXTNVM7); - mac_data |= BIT(22); - ew32(FEXTNVM7, mac_data); - /* Disable disconnected cable conditioning for Power Gating */ mac_data = er32(DPGFR); mac_data |= BIT(2); ew32(DPGFR, mac_data); - /* Don't wake from dynamic Power Gating with clock request */ - mac_data = er32(FEXTNVM12); - mac_data |= BIT(12); - ew32(FEXTNVM12, mac_data); - - /* Ungate PGCB clock */ - mac_data = er32(FEXTNVM9); - mac_data &= ~BIT(28); - ew32(FEXTNVM9, mac_data); - - /* Enable K1 off to enable mPHY Power Gating */ - mac_data = er32(FEXTNVM6); - mac_data |= BIT(31); - ew32(FEXTNVM6, mac_data); - - /* Enable mPHY power gating for any link and speed */ - mac_data = er32(FEXTNVM8); - mac_data |= BIT(9); - ew32(FEXTNVM8, mac_data); - /* Enable the Dynamic Clock Gating in the DMA and MAC */ mac_data = er32(CTRL_EXT); mac_data |= E1000_CTRL_EXT_DMA_DYN_CLK_EN; ew32(CTRL_EXT, mac_data); - - /* No MAC DPG gating SLP_S0 in modern standby - * Switch the logic of the lanphypc to use PMC counter - */ - mac_data = er32(FEXTNVM5); - mac_data |= BIT(7); - ew32(FEXTNVM5, mac_data); } + /* Enable the Dynamic Power Gating in the MAC */ + mac_data = er32(FEXTNVM7); + mac_data |= BIT(22); + ew32(FEXTNVM7, mac_data); + + /* Don't wake from dynamic Power Gating with clock request */ + mac_data = er32(FEXTNVM12); + mac_data |= BIT(12); + ew32(FEXTNVM12, mac_data); + + /* Ungate PGCB clock */ + mac_data = er32(FEXTNVM9); + mac_data &= ~BIT(28); + ew32(FEXTNVM9, mac_data); + + /* Enable K1 off to enable mPHY Power Gating */ + mac_data = er32(FEXTNVM6); + mac_data |= BIT(31); + ew32(FEXTNVM6, mac_data); + + /* Enable mPHY power gating for any link and speed */ + mac_data = er32(FEXTNVM8); + mac_data |= BIT(9); + ew32(FEXTNVM8, mac_data); + + /* No MAC DPG gating SLP_S0 in modern standby + * Switch the logic of the lanphypc to use PMC counter + */ + mac_data = er32(FEXTNVM5); + mac_data |= BIT(7); + ew32(FEXTNVM5, mac_data); + /* Disable the time synchronization clock */ mac_data = er32(FEXTNVM7); mac_data |= BIT(31); @@ -6498,33 +6503,6 @@ static void e1000e_s0ix_exit_flow(struct e1000_adapter *adapter) } else { /* Request driver unconfigure the device from S0ix */ - /* Disable the Dynamic Power Gating in the MAC */ - mac_data = er32(FEXTNVM7); - mac_data &= 0xFFBFFFFF; - ew32(FEXTNVM7, mac_data); - - /* Disable mPHY power gating for any link and speed */ - mac_data = er32(FEXTNVM8); - mac_data &= ~BIT(9); - ew32(FEXTNVM8, mac_data); - - /* Disable K1 off */ - mac_data = er32(FEXTNVM6); - mac_data &= ~BIT(31); - ew32(FEXTNVM6, mac_data); - - /* Disable Ungate PGCB clock */ - mac_data = er32(FEXTNVM9); - mac_data |= BIT(28); - ew32(FEXTNVM9, mac_data); - - /* Cancel not waking from dynamic - * Power Gating with clock request - */ - mac_data = er32(FEXTNVM12); - mac_data &= ~BIT(12); - ew32(FEXTNVM12, mac_data); - /* Cancel disable disconnected cable conditioning * for Power Gating */ @@ -6537,13 +6515,6 @@ static void e1000e_s0ix_exit_flow(struct e1000_adapter *adapter) mac_data &= 0xFFF7FFFF; ew32(CTRL_EXT, mac_data); - /* Revert the lanphypc logic to use the internal Gbe counter - * and not the PMC counter - */ - mac_data = er32(FEXTNVM5); - mac_data &= 0xFFFFFF7F; - ew32(FEXTNVM5, mac_data); - /* Enable the periodic inband message, * Request PCIe clock in K1 page770_17[10:9] =01b */ @@ -6581,6 +6552,40 @@ static void e1000e_s0ix_exit_flow(struct e1000_adapter *adapter) mac_data &= ~BIT(31); mac_data |= BIT(0); ew32(FEXTNVM7, mac_data); + + /* Disable the Dynamic Power Gating in the MAC */ + mac_data = er32(FEXTNVM7); + mac_data &= 0xFFBFFFFF; + ew32(FEXTNVM7, mac_data); + + /* Disable mPHY power gating for any link and speed */ + mac_data = er32(FEXTNVM8); + mac_data &= ~BIT(9); + ew32(FEXTNVM8, mac_data); + + /* Disable K1 off */ + mac_data = er32(FEXTNVM6); + mac_data &= ~BIT(31); + ew32(FEXTNVM6, mac_data); + + /* Disable Ungate PGCB clock */ + mac_data = er32(FEXTNVM9); + mac_data |= BIT(28); + ew32(FEXTNVM9, mac_data); + + /* Cancel not waking from dynamic + * Power Gating with clock request + */ + mac_data = er32(FEXTNVM12); + mac_data &= ~BIT(12); + ew32(FEXTNVM12, mac_data); + + /* Revert the lanphypc logic to use the internal Gbe counter + * and not the PMC counter + */ + mac_data = er32(FEXTNVM5); + mac_data &= 0xFFFFFF7F; + ew32(FEXTNVM5, mac_data); } static int e1000e_pm_freeze(struct device *dev) @@ -6671,8 +6676,10 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool runtime) if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) { /* enable wakeup by the PHY */ retval = e1000_init_phy_wakeup(adapter, wufc); - if (retval) - return retval; + if (retval) { + e_err("Failed to enable wakeup\n"); + goto skip_phy_configurations; + } } else { /* enable wakeup by the MAC */ ew32(WUFC, wufc); @@ -6688,14 +6695,16 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool runtime) if (adapter->hw.phy.type == e1000_phy_igp_3) { e1000e_igp3_phy_powerdown_workaround_ich8lan(&adapter->hw); } else if (hw->mac.type >= e1000_pch_lpt) { - if (wufc && !(wufc & (E1000_WUFC_EX | E1000_WUFC_MC | E1000_WUFC_BC))) + if (wufc && !(wufc & (E1000_WUFC_EX | E1000_WUFC_MC | E1000_WUFC_BC))) { /* ULP does not support wake from unicast, multicast * or broadcast. */ retval = e1000_enable_ulp_lpt_lp(hw, !runtime); - - if (retval) - return retval; + if (retval) { + e_err("Failed to enable ULP\n"); + goto skip_phy_configurations; + } + } } /* Ensure that the appropriate bits are set in LPI_CTRL @@ -6726,6 +6735,7 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool runtime) hw->phy.ops.release(hw); } +skip_phy_configurations: /* Release control of h/w to f/w. If f/w is AMT enabled, this * would have already happened in close and is redundant. */ @@ -6950,13 +6960,13 @@ static int __e1000_resume(struct pci_dev *pdev) return 0; } -static __maybe_unused int e1000e_pm_prepare(struct device *dev) +static int e1000e_pm_prepare(struct device *dev) { return pm_runtime_suspended(dev) && pm_suspend_via_firmware(); } -static __maybe_unused int e1000e_pm_suspend(struct device *dev) +static int e1000e_pm_suspend(struct device *dev) { struct net_device *netdev = pci_get_drvdata(to_pci_dev(dev)); struct e1000_adapter *adapter = netdev_priv(netdev); @@ -6968,18 +6978,16 @@ static __maybe_unused int e1000e_pm_suspend(struct device *dev) e1000e_pm_freeze(dev); rc = __e1000_shutdown(pdev, false); - if (rc) { - e1000e_pm_thaw(dev); - } else { + if (!rc) { /* Introduce S0ix implementation */ if (adapter->flags2 & FLAG2_ENABLE_S0IX_FLOWS) e1000e_s0ix_entry_flow(adapter); } - return rc; + return 0; } -static __maybe_unused int e1000e_pm_resume(struct device *dev) +static int e1000e_pm_resume(struct device *dev) { struct net_device *netdev = pci_get_drvdata(to_pci_dev(dev)); struct e1000_adapter *adapter = netdev_priv(netdev); @@ -7013,7 +7021,7 @@ static __maybe_unused int e1000e_pm_runtime_idle(struct device *dev) return -EBUSY; } -static __maybe_unused int e1000e_pm_runtime_resume(struct device *dev) +static int e1000e_pm_runtime_resume(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); struct net_device *netdev = pci_get_drvdata(pdev); @@ -7032,7 +7040,7 @@ static __maybe_unused int e1000e_pm_runtime_resume(struct device *dev) return rc; } -static __maybe_unused int e1000e_pm_runtime_suspend(struct device *dev) +static int e1000e_pm_runtime_suspend(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); struct net_device *netdev = pci_get_drvdata(pdev); @@ -7896,10 +7904,10 @@ static const struct pci_device_id e1000_pci_tbl[] = { { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_ADP_I219_V17), board_pch_adp }, { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_RPL_I219_LM22), board_pch_adp }, { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_RPL_I219_V22), board_pch_adp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_ADP_I219_LM19), board_pch_adp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_ADP_I219_V19), board_pch_adp }, { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_MTP_I219_LM18), board_pch_mtp }, { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_MTP_I219_V18), board_pch_mtp }, - { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_MTP_I219_LM19), board_pch_mtp }, - { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_MTP_I219_V19), board_pch_mtp }, { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LNP_I219_LM20), board_pch_mtp }, { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LNP_I219_V20), board_pch_mtp }, { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LNP_I219_LM21), board_pch_mtp }, @@ -7919,8 +7927,7 @@ static const struct pci_device_id e1000_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, e1000_pci_tbl); -static const struct dev_pm_ops e1000_pm_ops = { -#ifdef CONFIG_PM_SLEEP +static const struct dev_pm_ops e1000e_pm_ops = { .prepare = e1000e_pm_prepare, .suspend = e1000e_pm_suspend, .resume = e1000e_pm_resume, @@ -7928,9 +7935,8 @@ static const struct dev_pm_ops e1000_pm_ops = { .thaw = e1000e_pm_thaw, .poweroff = e1000e_pm_suspend, .restore = e1000e_pm_resume, -#endif - SET_RUNTIME_PM_OPS(e1000e_pm_runtime_suspend, e1000e_pm_runtime_resume, - e1000e_pm_runtime_idle) + RUNTIME_PM_OPS(e1000e_pm_runtime_suspend, e1000e_pm_runtime_resume, + e1000e_pm_runtime_idle) }; /* PCI Device API Driver */ @@ -7939,9 +7945,7 @@ static struct pci_driver e1000_driver = { .id_table = e1000_pci_tbl, .probe = e1000_probe, .remove = e1000_remove, - .driver = { - .pm = &e1000_pm_ops, - }, + .driver.pm = pm_ptr(&e1000e_pm_ops), .shutdown = e1000_shutdown, .err_handler = &e1000_err_handler }; @@ -7973,7 +7977,6 @@ static void __exit e1000_exit_module(void) } module_exit(e1000_exit_module); -MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>"); MODULE_DESCRIPTION("Intel(R) PRO/1000 Network Driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/net/ethernet/intel/e1000e/phy.c b/drivers/net/ethernet/intel/e1000e/phy.c index 5e329156d1ba..f7ae0e0aa4a4 100644 --- a/drivers/net/ethernet/intel/e1000e/phy.c +++ b/drivers/net/ethernet/intel/e1000e/phy.c @@ -107,6 +107,16 @@ s32 e1000e_phy_reset_dsp(struct e1000_hw *hw) return e1e_wphy(hw, M88E1000_PHY_GEN_CONTROL, 0); } +void e1000e_disable_phy_retry(struct e1000_hw *hw) +{ + hw->phy.retry_enabled = false; +} + +void e1000e_enable_phy_retry(struct e1000_hw *hw) +{ + hw->phy.retry_enabled = true; +} + /** * e1000e_read_phy_reg_mdic - Read MDI control register * @hw: pointer to the HW structure @@ -118,55 +128,73 @@ s32 e1000e_phy_reset_dsp(struct e1000_hw *hw) **/ s32 e1000e_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data) { + u32 i, mdic = 0, retry_counter, retry_max; struct e1000_phy_info *phy = &hw->phy; - u32 i, mdic = 0; + bool success; if (offset > MAX_PHY_REG_ADDRESS) { e_dbg("PHY Address %d is out of range\n", offset); return -E1000_ERR_PARAM; } + retry_max = phy->retry_enabled ? phy->retry_count : 0; + /* Set up Op-code, Phy Address, and register offset in the MDI * Control register. The MAC will take care of interfacing with the * PHY to retrieve the desired data. */ - mdic = ((offset << E1000_MDIC_REG_SHIFT) | - (phy->addr << E1000_MDIC_PHY_SHIFT) | - (E1000_MDIC_OP_READ)); + for (retry_counter = 0; retry_counter <= retry_max; retry_counter++) { + success = true; - ew32(MDIC, mdic); + mdic = ((offset << E1000_MDIC_REG_SHIFT) | + (phy->addr << E1000_MDIC_PHY_SHIFT) | + (E1000_MDIC_OP_READ)); - /* Poll the ready bit to see if the MDI read completed - * Increasing the time out as testing showed failures with - * the lower time out - */ - for (i = 0; i < (E1000_GEN_POLL_TIMEOUT * 3); i++) { - udelay(50); - mdic = er32(MDIC); - if (mdic & E1000_MDIC_READY) - break; - } - if (!(mdic & E1000_MDIC_READY)) { - e_dbg("MDI Read PHY Reg Address %d did not complete\n", offset); - return -E1000_ERR_PHY; - } - if (mdic & E1000_MDIC_ERROR) { - e_dbg("MDI Read PHY Reg Address %d Error\n", offset); - return -E1000_ERR_PHY; - } - if (FIELD_GET(E1000_MDIC_REG_MASK, mdic) != offset) { - e_dbg("MDI Read offset error - requested %d, returned %d\n", - offset, FIELD_GET(E1000_MDIC_REG_MASK, mdic)); - return -E1000_ERR_PHY; + ew32(MDIC, mdic); + + /* Poll the ready bit to see if the MDI read completed + * Increasing the time out as testing showed failures with + * the lower time out + */ + for (i = 0; i < (E1000_GEN_POLL_TIMEOUT * 3); i++) { + udelay(50); + mdic = er32(MDIC); + if (mdic & E1000_MDIC_READY) + break; + } + if (!(mdic & E1000_MDIC_READY)) { + e_dbg("MDI Read PHY Reg Address %d did not complete\n", + offset); + success = false; + } + if (mdic & E1000_MDIC_ERROR) { + e_dbg("MDI Read PHY Reg Address %d Error\n", offset); + success = false; + } + if (FIELD_GET(E1000_MDIC_REG_MASK, mdic) != offset) { + e_dbg("MDI Read offset error - requested %d, returned %d\n", + offset, FIELD_GET(E1000_MDIC_REG_MASK, mdic)); + success = false; + } + + /* Allow some time after each MDIC transaction to avoid + * reading duplicate data in the next MDIC transaction. + */ + if (hw->mac.type == e1000_pch2lan) + udelay(100); + + if (success) { + *data = (u16)mdic; + return 0; + } + + if (retry_counter != retry_max) { + e_dbg("Perform retry on PHY transaction...\n"); + mdelay(10); + } } - *data = (u16)mdic; - /* Allow some time after each MDIC transaction to avoid - * reading duplicate data in the next MDIC transaction. - */ - if (hw->mac.type == e1000_pch2lan) - udelay(100); - return 0; + return -E1000_ERR_PHY; } /** @@ -179,56 +207,72 @@ s32 e1000e_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data) **/ s32 e1000e_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data) { + u32 i, mdic = 0, retry_counter, retry_max; struct e1000_phy_info *phy = &hw->phy; - u32 i, mdic = 0; + bool success; if (offset > MAX_PHY_REG_ADDRESS) { e_dbg("PHY Address %d is out of range\n", offset); return -E1000_ERR_PARAM; } + retry_max = phy->retry_enabled ? phy->retry_count : 0; + /* Set up Op-code, Phy Address, and register offset in the MDI * Control register. The MAC will take care of interfacing with the * PHY to retrieve the desired data. */ - mdic = (((u32)data) | - (offset << E1000_MDIC_REG_SHIFT) | - (phy->addr << E1000_MDIC_PHY_SHIFT) | - (E1000_MDIC_OP_WRITE)); + for (retry_counter = 0; retry_counter <= retry_max; retry_counter++) { + success = true; - ew32(MDIC, mdic); + mdic = (((u32)data) | + (offset << E1000_MDIC_REG_SHIFT) | + (phy->addr << E1000_MDIC_PHY_SHIFT) | + (E1000_MDIC_OP_WRITE)); - /* Poll the ready bit to see if the MDI read completed - * Increasing the time out as testing showed failures with - * the lower time out - */ - for (i = 0; i < (E1000_GEN_POLL_TIMEOUT * 3); i++) { - udelay(50); - mdic = er32(MDIC); - if (mdic & E1000_MDIC_READY) - break; - } - if (!(mdic & E1000_MDIC_READY)) { - e_dbg("MDI Write PHY Reg Address %d did not complete\n", offset); - return -E1000_ERR_PHY; - } - if (mdic & E1000_MDIC_ERROR) { - e_dbg("MDI Write PHY Red Address %d Error\n", offset); - return -E1000_ERR_PHY; - } - if (FIELD_GET(E1000_MDIC_REG_MASK, mdic) != offset) { - e_dbg("MDI Write offset error - requested %d, returned %d\n", - offset, FIELD_GET(E1000_MDIC_REG_MASK, mdic)); - return -E1000_ERR_PHY; - } + ew32(MDIC, mdic); - /* Allow some time after each MDIC transaction to avoid - * reading duplicate data in the next MDIC transaction. - */ - if (hw->mac.type == e1000_pch2lan) - udelay(100); + /* Poll the ready bit to see if the MDI read completed + * Increasing the time out as testing showed failures with + * the lower time out + */ + for (i = 0; i < (E1000_GEN_POLL_TIMEOUT * 3); i++) { + udelay(50); + mdic = er32(MDIC); + if (mdic & E1000_MDIC_READY) + break; + } + if (!(mdic & E1000_MDIC_READY)) { + e_dbg("MDI Write PHY Reg Address %d did not complete\n", + offset); + success = false; + } + if (mdic & E1000_MDIC_ERROR) { + e_dbg("MDI Write PHY Reg Address %d Error\n", offset); + success = false; + } + if (FIELD_GET(E1000_MDIC_REG_MASK, mdic) != offset) { + e_dbg("MDI Write offset error - requested %d, returned %d\n", + offset, FIELD_GET(E1000_MDIC_REG_MASK, mdic)); + success = false; + } - return 0; + /* Allow some time after each MDIC transaction to avoid + * reading duplicate data in the next MDIC transaction. + */ + if (hw->mac.type == e1000_pch2lan) + udelay(100); + + if (success) + return 0; + + if (retry_counter != retry_max) { + e_dbg("Perform retry on PHY transaction...\n"); + mdelay(10); + } + } + + return -E1000_ERR_PHY; } /** diff --git a/drivers/net/ethernet/intel/e1000e/phy.h b/drivers/net/ethernet/intel/e1000e/phy.h index c48777d09523..049bb325b4b1 100644 --- a/drivers/net/ethernet/intel/e1000e/phy.h +++ b/drivers/net/ethernet/intel/e1000e/phy.h @@ -51,6 +51,8 @@ s32 e1000e_read_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 *data); s32 e1000e_write_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 data); void e1000_power_up_phy_copper(struct e1000_hw *hw); void e1000_power_down_phy_copper(struct e1000_hw *hw); +void e1000e_disable_phy_retry(struct e1000_hw *hw); +void e1000e_enable_phy_retry(struct e1000_hw *hw); s32 e1000e_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data); s32 e1000e_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data); s32 e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data); diff --git a/drivers/net/ethernet/intel/e1000e/ptp.c b/drivers/net/ethernet/intel/e1000e/ptp.c index bbcfd529399b..89d57dd911dc 100644 --- a/drivers/net/ethernet/intel/e1000e/ptp.c +++ b/drivers/net/ethernet/intel/e1000e/ptp.c @@ -124,7 +124,8 @@ static int e1000e_phc_get_syncdevicetime(ktime_t *device, sys_cycles = er32(PLTSTMPH); sys_cycles <<= 32; sys_cycles |= er32(PLTSTMPL); - *system = convert_art_to_tsc(sys_cycles); + system->cycles = sys_cycles; + system->cs_id = CSID_X86_ART; return 0; } |