diff options
Diffstat (limited to 'drivers/net/ethernet/intel/e1000e')
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/Makefile | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/e1000.h | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/e1000e_trace.h | 42 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/ethtool.c | 12 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/hw.h | 9 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/ich8lan.c | 27 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/netdev.c | 62 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/phy.c | 9 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/ptp.c | 17 |
9 files changed, 138 insertions, 47 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/Makefile b/drivers/net/ethernet/intel/e1000e/Makefile index 44e58b6e7660..0baa15503c38 100644 --- a/drivers/net/ethernet/intel/e1000e/Makefile +++ b/drivers/net/ethernet/intel/e1000e/Makefile @@ -5,6 +5,9 @@ # Makefile for the Intel(R) PRO/1000 ethernet driver # +ccflags-y += -I$(src) +subdir-ccflags-y += -I$(src) + obj-$(CONFIG_E1000E) += e1000e.o e1000e-objs := 82571.o ich8lan.o 80003es2lan.o \ diff --git a/drivers/net/ethernet/intel/e1000e/e1000.h b/drivers/net/ethernet/intel/e1000e/e1000.h index e8a9a9610ac6..a187582d2299 100644 --- a/drivers/net/ethernet/intel/e1000e/e1000.h +++ b/drivers/net/ethernet/intel/e1000e/e1000.h @@ -116,7 +116,8 @@ enum e1000_boards { board_pch_spt, board_pch_cnp, board_pch_tgp, - board_pch_adp + board_pch_adp, + board_pch_mtp }; struct e1000_ps_page { @@ -504,6 +505,7 @@ extern const struct e1000_info e1000_pch_spt_info; extern const struct e1000_info e1000_pch_cnp_info; extern const struct e1000_info e1000_pch_tgp_info; extern const struct e1000_info e1000_pch_adp_info; +extern const struct e1000_info e1000_pch_mtp_info; extern const struct e1000_info e1000_es2_info; void e1000e_ptp_init(struct e1000_adapter *adapter); diff --git a/drivers/net/ethernet/intel/e1000e/e1000e_trace.h b/drivers/net/ethernet/intel/e1000e/e1000e_trace.h new file mode 100644 index 000000000000..19d3cf4d924e --- /dev/null +++ b/drivers/net/ethernet/intel/e1000e/e1000e_trace.h @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright(c) 2022, Intel Corporation. */ +/* Modeled on trace-events-sample.h */ +/* The trace subsystem name for e1000e will be "e1000e_trace". + * + * This file is named e1000e_trace.h. + * + * Since this include file's name is different from the trace + * subsystem name, we'll have to define TRACE_INCLUDE_FILE at the end + * of this file. + */ + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM e1000e_trace + +#if !defined(_TRACE_E1000E_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_E1000E_TRACE_H + +#include <linux/tracepoint.h> + +TRACE_EVENT(e1000e_trace_mac_register, + TP_PROTO(uint32_t reg), + TP_ARGS(reg), + TP_STRUCT__entry(__field(uint32_t, reg)), + TP_fast_assign(__entry->reg = reg;), + TP_printk("event: TraceHub e1000e mac register: 0x%08x", + __entry->reg) +); + +#endif +/* This must be outside ifdef _E1000E_TRACE_H */ +/* This trace include file is not located in the .../include/trace + * with the kernel tracepoint definitions, because we're a loadable + * module. + */ + +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE e1000e_trace + +#include <trace/define_trace.h> diff --git a/drivers/net/ethernet/intel/e1000e/ethtool.c b/drivers/net/ethernet/intel/e1000e/ethtool.c index 51a5afe9df2f..721f86fd5802 100644 --- a/drivers/net/ethernet/intel/e1000e/ethtool.c +++ b/drivers/net/ethernet/intel/e1000e/ethtool.c @@ -110,9 +110,9 @@ static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = { static int e1000_get_link_ksettings(struct net_device *netdev, struct ethtool_link_ksettings *cmd) { + u32 speed, supported, advertising, lp_advertising, lpa_t; struct e1000_adapter *adapter = netdev_priv(netdev); struct e1000_hw *hw = &adapter->hw; - u32 speed, supported, advertising; if (hw->phy.media_type == e1000_media_type_copper) { supported = (SUPPORTED_10baseT_Half | @@ -120,7 +120,9 @@ static int e1000_get_link_ksettings(struct net_device *netdev, SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | SUPPORTED_1000baseT_Full | + SUPPORTED_Asym_Pause | SUPPORTED_Autoneg | + SUPPORTED_Pause | SUPPORTED_TP); if (hw->phy.type == e1000_phy_ife) supported &= ~SUPPORTED_1000baseT_Full; @@ -192,10 +194,16 @@ static int e1000_get_link_ksettings(struct net_device *netdev, if (hw->phy.media_type != e1000_media_type_copper) cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID; + lpa_t = mii_stat1000_to_ethtool_lpa_t(adapter->phy_regs.stat1000); + lp_advertising = lpa_t | + mii_lpa_to_ethtool_lpa_t(adapter->phy_regs.lpa); + ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, supported); ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising, advertising); + ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.lp_advertising, + lp_advertising); return 0; } @@ -908,6 +916,7 @@ static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data) case e1000_pch_adp: case e1000_pch_mtp: case e1000_pch_lnp: + case e1000_pch_ptp: mask |= BIT(18); break; default: @@ -1575,6 +1584,7 @@ static void e1000_loopback_cleanup(struct e1000_adapter *adapter) case e1000_pch_adp: case e1000_pch_mtp: case e1000_pch_lnp: + case e1000_pch_ptp: fext_nvm11 = er32(FEXTNVM11); fext_nvm11 &= ~E1000_FEXTNVM11_DISABLE_MULR_FIX; ew32(FEXTNVM11, fext_nvm11); diff --git a/drivers/net/ethernet/intel/e1000e/hw.h b/drivers/net/ethernet/intel/e1000e/hw.h index bcf680e83811..29f9fae35f42 100644 --- a/drivers/net/ethernet/intel/e1000e/hw.h +++ b/drivers/net/ethernet/intel/e1000e/hw.h @@ -114,6 +114,14 @@ struct e1000_hw; #define E1000_DEV_ID_PCH_LNP_I219_V20 0x550F #define E1000_DEV_ID_PCH_LNP_I219_LM21 0x5510 #define E1000_DEV_ID_PCH_LNP_I219_V21 0x5511 +#define E1000_DEV_ID_PCH_ARL_I219_LM24 0x57A0 +#define E1000_DEV_ID_PCH_ARL_I219_V24 0x57A1 +#define E1000_DEV_ID_PCH_PTP_I219_LM25 0x57B3 +#define E1000_DEV_ID_PCH_PTP_I219_V25 0x57B4 +#define E1000_DEV_ID_PCH_PTP_I219_LM26 0x57B5 +#define E1000_DEV_ID_PCH_PTP_I219_V26 0x57B6 +#define E1000_DEV_ID_PCH_PTP_I219_LM27 0x57B7 +#define E1000_DEV_ID_PCH_PTP_I219_V27 0x57B8 #define E1000_REVISION_4 4 @@ -141,6 +149,7 @@ enum e1000_mac_type { e1000_pch_adp, e1000_pch_mtp, e1000_pch_lnp, + e1000_pch_ptp, }; enum e1000_media_type { diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c index 9466f65a6da7..0c7fd10312c8 100644 --- a/drivers/net/ethernet/intel/e1000e/ich8lan.c +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c @@ -322,6 +322,7 @@ static s32 e1000_init_phy_workarounds_pchlan(struct e1000_hw *hw) case e1000_pch_adp: case e1000_pch_mtp: case e1000_pch_lnp: + case e1000_pch_ptp: if (e1000_phy_is_accessible_pchlan(hw)) break; @@ -468,6 +469,7 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw) case e1000_pch_adp: case e1000_pch_mtp: case e1000_pch_lnp: + case e1000_pch_ptp: /* In case the PHY needs to be in mdio slow mode, * set slow mode and try to get the PHY id again. */ @@ -714,6 +716,7 @@ static s32 e1000_init_mac_params_ich8lan(struct e1000_hw *hw) case e1000_pch_adp: case e1000_pch_mtp: case e1000_pch_lnp: + case e1000_pch_ptp: case e1000_pchlan: /* check management mode */ mac->ops.check_mng_mode = e1000_check_mng_mode_pchlan; @@ -1681,6 +1684,7 @@ static s32 e1000_get_variants_ich8lan(struct e1000_adapter *adapter) case e1000_pch_adp: case e1000_pch_mtp: case e1000_pch_lnp: + case e1000_pch_ptp: rc = e1000_init_phy_params_pchlan(hw); break; default: @@ -2137,6 +2141,7 @@ static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw) case e1000_pch_adp: case e1000_pch_mtp: case e1000_pch_lnp: + case e1000_pch_ptp: sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG_ICH8M; break; default: @@ -3182,6 +3187,7 @@ static s32 e1000_valid_nvm_bank_detect_ich8lan(struct e1000_hw *hw, u32 *bank) case e1000_pch_adp: case e1000_pch_mtp: case e1000_pch_lnp: + case e1000_pch_ptp: bank1_offset = nvm->flash_bank_size; act_offset = E1000_ICH_NVM_SIG_WORD; @@ -4122,6 +4128,7 @@ static s32 e1000_validate_nvm_checksum_ich8lan(struct e1000_hw *hw) case e1000_pch_adp: case e1000_pch_mtp: case e1000_pch_lnp: + case e1000_pch_ptp: word = NVM_COMPAT; valid_csum_mask = NVM_COMPAT_VALID_CSUM; break; @@ -6041,3 +6048,23 @@ const struct e1000_info e1000_pch_adp_info = { .phy_ops = &ich8_phy_ops, .nvm_ops = &spt_nvm_ops, }; + +const struct e1000_info e1000_pch_mtp_info = { + .mac = e1000_pch_mtp, + .flags = FLAG_IS_ICH + | FLAG_HAS_WOL + | FLAG_HAS_HW_TIMESTAMP + | FLAG_HAS_CTRLEXT_ON_LOAD + | FLAG_HAS_AMT + | FLAG_HAS_FLASH + | FLAG_HAS_JUMBO_FRAMES + | FLAG_APME_IN_WUC, + .flags2 = FLAG2_HAS_PHY_STATS + | FLAG2_HAS_EEE, + .pba = 26, + .max_hw_frame_size = 9022, + .get_variants = e1000_get_variants_ich8lan, + .mac_ops = &ich8_mac_ops, + .phy_ops = &ich8_phy_ops, + .nvm_ops = &spt_nvm_ops, +}; diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 49e926959ad3..e1eb1de88bf9 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -28,6 +28,8 @@ #include <linux/suspend.h> #include "e1000.h" +#define CREATE_TRACE_POINTS +#include "e1000e_trace.h" char e1000e_driver_name[] = "e1000e"; @@ -53,6 +55,7 @@ static const struct e1000_info *e1000_info_tbl[] = { [board_pch_cnp] = &e1000_pch_cnp_info, [board_pch_tgp] = &e1000_pch_tgp_info, [board_pch_adp] = &e1000_pch_adp_info, + [board_pch_mtp] = &e1000_pch_mtp_info, }; struct e1000_reg_info { @@ -1388,26 +1391,18 @@ static bool e1000_clean_rx_irq_ps(struct e1000_ring *rx_ring, int *work_done, /* page alloc/put takes too long and effects small * packet throughput, so unsplit small packets and - * save the alloc/put only valid in softirq (napi) - * context to call kmap_* + * save the alloc/put */ if (l1 && (l1 <= copybreak) && ((length + l1) <= adapter->rx_ps_bsize0)) { - u8 *vaddr; - ps_page = &buffer_info->ps_pages[0]; - /* there is no documentation about how to call - * kmap_atomic, so we can't hold the mapping - * very long - */ dma_sync_single_for_cpu(&pdev->dev, ps_page->dma, PAGE_SIZE, DMA_FROM_DEVICE); - vaddr = kmap_atomic(ps_page->page); - memcpy(skb_tail_pointer(skb), vaddr, l1); - kunmap_atomic(vaddr); + memcpy(skb_tail_pointer(skb), + page_address(ps_page->page), l1); dma_sync_single_for_device(&pdev->dev, ps_page->dma, PAGE_SIZE, @@ -1607,11 +1602,9 @@ static bool e1000_clean_jumbo_rx_irq(struct e1000_ring *rx_ring, int *work_done, */ if (length <= copybreak && skb_tailroom(skb) >= length) { - u8 *vaddr; - vaddr = kmap_atomic(buffer_info->page); - memcpy(skb_tail_pointer(skb), vaddr, + memcpy(skb_tail_pointer(skb), + page_address(buffer_info->page), length); - kunmap_atomic(vaddr); /* re-use the page, so don't erase * buffer_info->page */ @@ -3552,6 +3545,7 @@ s32 e1000e_get_base_timinca(struct e1000_adapter *adapter, u32 *timinca) case e1000_pch_adp: case e1000_pch_mtp: case e1000_pch_lnp: + case e1000_pch_ptp: if (er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_SYSCFI) { /* Stable 24MHz frequency */ incperiod = INCPERIOD_24MHZ; @@ -4067,6 +4061,7 @@ void e1000e_reset(struct e1000_adapter *adapter) case e1000_pch_adp: case e1000_pch_mtp: case e1000_pch_lnp: + case e1000_pch_ptp: fc->refresh_time = 0xFFFF; fc->pause_time = 0xFFFF; @@ -5936,9 +5931,9 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb, e1000_tx_queue(tx_ring, tx_flags, count); /* Make sure there is space in the ring for the next send. */ e1000_maybe_stop_tx(tx_ring, - (MAX_SKB_FRAGS * + ((MAX_SKB_FRAGS + 1) * DIV_ROUND_UP(PAGE_SIZE, - adapter->tx_fifo_limit) + 2)); + adapter->tx_fifo_limit) + 4)); if (!netdev_xmit_more() || netif_xmit_stopped(netdev_get_tx_queue(netdev, 0))) { @@ -6348,6 +6343,7 @@ static void e1000e_s0ix_entry_flow(struct e1000_adapter *adapter) mac_data = er32(H2ME); mac_data |= E1000_H2ME_START_DPG; mac_data &= ~E1000_H2ME_EXIT_DPG; + trace_e1000e_trace_mac_register(mac_data); ew32(H2ME, mac_data); } else { /* Request driver configure the device to S0ix */ @@ -6502,6 +6498,7 @@ static void e1000e_s0ix_exit_flow(struct e1000_adapter *adapter) mac_data = er32(H2ME); mac_data &= ~E1000_H2ME_START_DPG; mac_data |= E1000_H2ME_EXIT_DPG; + trace_e1000e_trace_mac_register(mac_data); ew32(H2ME, mac_data); /* Poll up to 2.5 seconds for ME to unconfigure DPG. @@ -7421,9 +7418,6 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (err) goto err_pci_reg; - /* AER (Advanced Error Reporting) hooks */ - pci_enable_pcie_error_reporting(pdev); - pci_set_master(pdev); /* PCI config space info */ err = pci_save_state(pdev); @@ -7711,7 +7705,6 @@ err_flashmap: err_ioremap: free_netdev(netdev); err_alloc_etherdev: - pci_disable_pcie_error_reporting(pdev); pci_release_mem_regions(pdev); err_pci_reg: err_dma: @@ -7778,9 +7771,6 @@ static void e1000_remove(struct pci_dev *pdev) free_netdev(netdev); - /* AER disable */ - pci_disable_pcie_error_reporting(pdev); - pci_disable_device(pdev); } @@ -7905,14 +7895,22 @@ 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_MTP_I219_LM18), board_pch_adp }, - { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_MTP_I219_V18), board_pch_adp }, - { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_MTP_I219_LM19), board_pch_adp }, - { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_MTP_I219_V19), board_pch_adp }, - { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LNP_I219_LM20), board_pch_adp }, - { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LNP_I219_V20), board_pch_adp }, - { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LNP_I219_LM21), board_pch_adp }, - { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LNP_I219_V21), 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 }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LNP_I219_V21), board_pch_mtp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_ARL_I219_LM24), board_pch_mtp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_ARL_I219_V24), board_pch_mtp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_PTP_I219_LM25), board_pch_mtp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_PTP_I219_V25), board_pch_mtp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_PTP_I219_LM26), board_pch_mtp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_PTP_I219_V26), board_pch_mtp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_PTP_I219_LM27), board_pch_mtp }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_PTP_I219_V27), board_pch_mtp }, { 0, 0, 0, 0, 0, 0, 0 } /* terminate list */ }; diff --git a/drivers/net/ethernet/intel/e1000e/phy.c b/drivers/net/ethernet/intel/e1000e/phy.c index 060b263348ce..08c3d477dd6f 100644 --- a/drivers/net/ethernet/intel/e1000e/phy.c +++ b/drivers/net/ethernet/intel/e1000e/phy.c @@ -2,6 +2,7 @@ /* Copyright(c) 1999 - 2018 Intel Corporation. */ #include "e1000.h" +#include <linux/ethtool.h> static s32 e1000_wait_autoneg(struct e1000_hw *hw); static s32 e1000_access_phy_wakeup_reg_bm(struct e1000_hw *hw, u32 offset, @@ -1011,6 +1012,8 @@ static s32 e1000_phy_setup_autoneg(struct e1000_hw *hw) */ mii_autoneg_adv_reg &= ~(ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP); + phy->autoneg_advertised &= + ~(ADVERTISED_Pause | ADVERTISED_Asym_Pause); break; case e1000_fc_rx_pause: /* Rx Flow control is enabled, and Tx Flow control is @@ -1024,6 +1027,8 @@ static s32 e1000_phy_setup_autoneg(struct e1000_hw *hw) */ mii_autoneg_adv_reg |= (ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP); + phy->autoneg_advertised |= + (ADVERTISED_Pause | ADVERTISED_Asym_Pause); break; case e1000_fc_tx_pause: /* Tx Flow control is enabled, and Rx Flow control is @@ -1031,6 +1036,8 @@ static s32 e1000_phy_setup_autoneg(struct e1000_hw *hw) */ mii_autoneg_adv_reg |= ADVERTISE_PAUSE_ASYM; mii_autoneg_adv_reg &= ~ADVERTISE_PAUSE_CAP; + phy->autoneg_advertised |= ADVERTISED_Asym_Pause; + phy->autoneg_advertised &= ~ADVERTISED_Pause; break; case e1000_fc_full: /* Flow control (both Rx and Tx) is enabled by a software @@ -1038,6 +1045,8 @@ static s32 e1000_phy_setup_autoneg(struct e1000_hw *hw) */ mii_autoneg_adv_reg |= (ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP); + phy->autoneg_advertised |= + (ADVERTISED_Pause | ADVERTISED_Asym_Pause); break; default: e_dbg("Flow control param set incorrectly\n"); diff --git a/drivers/net/ethernet/intel/e1000e/ptp.c b/drivers/net/ethernet/intel/e1000e/ptp.c index 0e488e4fa5c1..def4566a916f 100644 --- a/drivers/net/ethernet/intel/e1000e/ptp.c +++ b/drivers/net/ethernet/intel/e1000e/ptp.c @@ -29,17 +29,11 @@ static int e1000e_phc_adjfine(struct ptp_clock_info *ptp, long delta) struct e1000_adapter *adapter = container_of(ptp, struct e1000_adapter, ptp_clock_info); struct e1000_hw *hw = &adapter->hw; - bool neg_adj = false; unsigned long flags; - u64 adjustment; - u32 timinca, incvalue; + u64 incvalue; + u32 timinca; s32 ret_val; - if (delta < 0) { - neg_adj = true; - delta = -delta; - } - /* Get the System Time Register SYSTIM base frequency */ ret_val = e1000e_get_base_timinca(adapter, &timinca); if (ret_val) @@ -48,11 +42,7 @@ static int e1000e_phc_adjfine(struct ptp_clock_info *ptp, long delta) spin_lock_irqsave(&adapter->systim_lock, flags); incvalue = timinca & E1000_TIMINCA_INCVALUE_MASK; - - adjustment = mul_u64_u64_div_u64(incvalue, (u64)delta, - 1000000ULL << 16); - - incvalue = neg_adj ? (incvalue - adjustment) : (incvalue + adjustment); + incvalue = adjust_by_scaled_ppm(incvalue, delta); timinca &= ~E1000_TIMINCA_INCVALUE_MASK; timinca |= incvalue; @@ -297,6 +287,7 @@ void e1000e_ptp_init(struct e1000_adapter *adapter) case e1000_pch_adp: case e1000_pch_mtp: case e1000_pch_lnp: + case e1000_pch_ptp: if ((hw->mac.type < e1000_pch_lpt) || (er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_SYSCFI)) { adapter->ptp_clock_info.max_adj = 24000000 - 1; |