linux/drivers/net/ethernet/wangxun/txgbe/txgbe_hw.c

// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2015 - 2022 Beijing WangXun Technology Co., Ltd. */

#include <linux/etherdevice.h>
#include <linux/if_ether.h>
#include <linux/string.h>
#include <linux/iopoll.h>
#include <linux/types.h>
#include <linux/pci.h>

#include "../libwx/wx_type.h"
#include "../libwx/wx_hw.h"
#include "txgbe_type.h"
#include "txgbe_hw.h"

/**
 *  txgbe_disable_sec_tx_path - Stops the transmit data path
 *  @wx: pointer to hardware structure
 *
 *  Stops the transmit data path and waits for the HW to internally empty
 *  the tx security block
 **/
int txgbe_disable_sec_tx_path(struct wx *wx)
{ … }

/**
 *  txgbe_enable_sec_tx_path - Enables the transmit data path
 *  @wx: pointer to hardware structure
 *
 *  Enables the transmit data path.
 **/
void txgbe_enable_sec_tx_path(struct wx *wx)
{ … }

/**
 *  txgbe_init_thermal_sensor_thresh - Inits thermal sensor thresholds
 *  @wx: pointer to hardware structure
 *
 *  Inits the thermal sensor thresholds according to the NVM map
 *  and save off the threshold and location values into mac.thermal_sensor_data
 **/
static void txgbe_init_thermal_sensor_thresh(struct wx *wx)
{ … }

/**
 *  txgbe_calc_eeprom_checksum - Calculates and returns the checksum
 *  @wx: pointer to hardware structure
 *  @checksum: pointer to cheksum
 *
 *  Returns a negative error code on error
 **/
static int txgbe_calc_eeprom_checksum(struct wx *wx, u16 *checksum)
{ … }

/**
 *  txgbe_validate_eeprom_checksum - Validate EEPROM checksum
 *  @wx: pointer to hardware structure
 *  @checksum_val: calculated checksum
 *
 *  Performs checksum calculation and validates the EEPROM checksum.  If the
 *  caller does not need checksum_val, the value can be NULL.
 **/
int txgbe_validate_eeprom_checksum(struct wx *wx, u16 *checksum_val)
{ … }

static void txgbe_reset_misc(struct wx *wx)
{ … }

/**
 *  txgbe_reset_hw - Perform hardware reset
 *  @wx: pointer to wx structure
 *
 *  Resets the hardware by resetting the transmit and receive units, masks
 *  and clears all interrupts, perform a PHY reset, and perform a link (MAC)
 *  reset.
 **/
int txgbe_reset_hw(struct wx *wx)
{ … }