alex/esp-idf
alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2024-10-05 20:47:46 -04:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity
26ca7cbaed
esp-idf/components/esp_eth/src/esp_eth_phy_ksz80xx.c
David Cermak 343cf2696e esp_eth: Reduce internal deps onto netif-glue
2022-06-09 07:55:40 +00:00

488 lines
19 KiB
C
Raw Blame History

/*
* SPDX-FileCopyrightText: 2019-2021 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <string.h>
#include <stdlib.h>
#include <sys/cdefs.h>
#include "esp_log.h"
#include "esp_check.h"
#include "esp_eth_driver.h"
#include "eth_phy_regs_struct.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "driver/gpio.h"
#include "esp_rom_gpio.h"
#include "esp_rom_sys.h"
#define KSZ80XX_PHY_ID_MSB (0x22)
#define KSZ80XX_PHY_ID_LSB (0x05)
#define KSZ80XX_PC1R_REG_ADDR (0x1E)
#define KSZ80XX_PC2R_REG_ADDR (0x1F)
typedef enum
{
KSZ80XX_MODEL_NUMBER_11 = 0x11, // KSZ8041
KSZ80XX_MODEL_NUMBER_15 = 0x15, // KSZ8021/31
KSZ80XX_MODEL_NUMBER_16 = 0x16, // KSZ8051/81/91
KSZ80XX_MODEL_NUMBER_17 = 0x17, // KSZ8061
KSZ80XX_MODEL_NUMBER_21 = 0x21, // KSZ8001
} ksz80xx_model_number_t;
typedef struct
{
esp_eth_phy_t parent;
esp_eth_mediator_t *eth;
int addr;
uint32_t reset_timeout_ms;
uint32_t autonego_timeout_ms;
eth_link_t link_status;
int reset_gpio_num;
uint8_t model_number;
uint32_t op_mode_reg;
uint32_t op_mode_offset;
} phy_ksz80xx_t;
static const uint8_t supported_model_numbers[] =
{
KSZ80XX_MODEL_NUMBER_11,
KSZ80XX_MODEL_NUMBER_15,
KSZ80XX_MODEL_NUMBER_16,
KSZ80XX_MODEL_NUMBER_17,
KSZ80XX_MODEL_NUMBER_21,
};
static const char *model_names[] = {
"41", // models with model number 0x11
"21/31", // models with model number 0x15
"51/81/91", // models with model number 0x16
"61", // models with model number 0x17
"01", // models with model number 0x21
};
static const char *TAG = "ksz80xx";
static esp_err_t ksz80xx_update_link_duplex_speed(phy_ksz80xx_t * ksz80xx)
{
esp_err_t ret = ESP_OK;
esp_eth_mediator_t *eth = ksz80xx->eth;
eth_speed_t speed = ETH_SPEED_10M;
eth_duplex_t duplex = ETH_DUPLEX_HALF;
uint32_t peer_pause_ability = false;
anlpar_reg_t anlpar;
bmsr_reg_t bmsr;
ESP_GOTO_ON_ERROR(eth->phy_reg_read(eth, ksz80xx->addr, ETH_PHY_ANLPAR_REG_ADDR, &(anlpar.val)), err, TAG, "read ANLPAR failed");
ESP_GOTO_ON_ERROR(eth->phy_reg_read(eth, ksz80xx->addr, ETH_PHY_BMSR_REG_ADDR, &(bmsr.val)), err, TAG, "read BMSR failed");
eth_link_t link = bmsr.link_status ? ETH_LINK_UP : ETH_LINK_DOWN;
/* check if link status changed */
if (ksz80xx->link_status != link) {
/* when link up, read negotiation result */
if (link == ETH_LINK_UP) {
uint32_t reg_value = 0;
ESP_GOTO_ON_ERROR(eth->phy_reg_read(eth, ksz80xx->addr, ksz80xx->op_mode_reg, &reg_value), err, TAG, "read %#04x failed", ksz80xx->op_mode_reg);
uint8_t op_mode = (reg_value >> ksz80xx->op_mode_offset) & 0x07;
switch (op_mode) {
case 1: //10Base-T half-duplex
speed = ETH_SPEED_10M;
duplex = ETH_DUPLEX_HALF;
break;
case 2: //100Base-TX half-duplex
speed = ETH_SPEED_100M;
duplex = ETH_DUPLEX_HALF;
break;
case 5: //10Base-T full-duplex
speed = ETH_SPEED_10M;
duplex = ETH_DUPLEX_FULL;
break;
case 6: //100Base-TX full-duplex
speed = ETH_SPEED_100M;
duplex = ETH_DUPLEX_FULL;
break;
default:
break;
}
ESP_GOTO_ON_ERROR(eth->on_state_changed(eth, ETH_STATE_SPEED, (void *)speed), err, TAG, "change speed failed");
ESP_GOTO_ON_ERROR(eth->on_state_changed(eth, ETH_STATE_DUPLEX, (void *)duplex), err, TAG, "change duplex failed");
/* if we're in duplex mode, and peer has the flow control ability */
if (duplex == ETH_DUPLEX_FULL && anlpar.symmetric_pause) {
peer_pause_ability = 1;
} else {
peer_pause_ability = 0;
}
ESP_GOTO_ON_ERROR(eth->on_state_changed(eth, ETH_STATE_PAUSE, (void *)peer_pause_ability), err, TAG, "change pause ability failed");
}
ESP_GOTO_ON_ERROR(eth->on_state_changed(eth, ETH_STATE_LINK, (void *)link), err, TAG, "change link failed");
ksz80xx->link_status = link;
}
return ESP_OK;
err:
return ret;
}
static esp_err_t ksz80xx_set_mediator(esp_eth_phy_t *phy, esp_eth_mediator_t *eth)
{
esp_err_t ret = ESP_OK;
ESP_GOTO_ON_FALSE(eth, ESP_ERR_INVALID_ARG, err, TAG, "can't set mediator to null");
phy_ksz80xx_t *ksz80xx = __containerof(phy, phy_ksz80xx_t, parent);
ksz80xx->eth = eth;
return ESP_OK;
err:
return ret;
}
static esp_err_t ksz80xx_get_link(esp_eth_phy_t *phy)
{
esp_err_t ret = ESP_OK;
phy_ksz80xx_t *ksz80xx = __containerof(phy, phy_ksz80xx_t, parent);
/* Update information about link, speed, duplex */
ESP_GOTO_ON_ERROR(ksz80xx_update_link_duplex_speed(ksz80xx), err, TAG, "update link duplex speed failed");
return ESP_OK;
err:
return ret;
}
static esp_err_t ksz80xx_reset(esp_eth_phy_t *phy)
{
esp_err_t ret = ESP_OK;
phy_ksz80xx_t *ksz80xx = __containerof(phy, phy_ksz80xx_t, parent);
ksz80xx->link_status = ETH_LINK_DOWN;
esp_eth_mediator_t *eth = ksz80xx->eth;
bmcr_reg_t bmcr = {.reset = 1};
ESP_GOTO_ON_ERROR(eth->phy_reg_write(eth, ksz80xx->addr, ETH_PHY_BMCR_REG_ADDR, bmcr.val), err, TAG, "write BMCR failed");
/* wait for reset complete */
uint32_t to = 0;
for (to = 0; to < ksz80xx->reset_timeout_ms / 10; to++) {
vTaskDelay(pdMS_TO_TICKS(10));
ESP_GOTO_ON_ERROR(eth->phy_reg_read(eth, ksz80xx->addr, ETH_PHY_BMCR_REG_ADDR, &(bmcr.val)), err, TAG, "read BMCR failed");
if (!bmcr.reset) {
break;
}
}
ESP_GOTO_ON_FALSE(to < ksz80xx->reset_timeout_ms / 10, ESP_FAIL, err, TAG, "reset timeout");
return ESP_OK;
err:
return ret;
}
static esp_err_t ksz80xx_reset_hw(esp_eth_phy_t *phy)
{
phy_ksz80xx_t *ksz80xx = __containerof(phy, phy_ksz80xx_t, parent);
if (ksz80xx->reset_gpio_num >= 0) {
esp_rom_gpio_pad_select_gpio(ksz80xx->reset_gpio_num);
gpio_set_direction(ksz80xx->reset_gpio_num, GPIO_MODE_OUTPUT);
gpio_set_level(ksz80xx->reset_gpio_num, 0);
esp_rom_delay_us(100); // insert min input assert time
gpio_set_level(ksz80xx->reset_gpio_num, 1);
}
return ESP_OK;
}
/**
* @note This function is responsible for restarting a new auto-negotiation,
* the result of negotiation won't be relected to uppler layers.
* Instead, the negotiation result is fetched by linker timer, see `ksz80xx_get_link()`
*/
static esp_err_t ksz80xx_autonego_ctrl(esp_eth_phy_t *phy, eth_phy_autoneg_cmd_t cmd, bool *autonego_en_stat)
{
esp_err_t ret = ESP_OK;
phy_ksz80xx_t *ksz80xx = __containerof(phy, phy_ksz80xx_t, parent);
esp_eth_mediator_t *eth = ksz80xx->eth;
bmcr_reg_t bmcr;
ESP_GOTO_ON_ERROR(eth->phy_reg_read(eth, ksz80xx->addr, ETH_PHY_BMCR_REG_ADDR, &(bmcr.val)), err, TAG, "read BMCR failed");
switch (cmd) {
case ESP_ETH_PHY_AUTONEGO_RESTART:
ESP_GOTO_ON_FALSE(bmcr.en_auto_nego, ESP_ERR_INVALID_STATE, err, TAG, "auto negotiation is disabled");
/* in case any link status has changed, let's assume we're in link down status */
ksz80xx->link_status = ETH_LINK_DOWN;
bmcr.restart_auto_nego = 1; /* Restart Auto Negotiation */
ESP_GOTO_ON_ERROR(eth->phy_reg_write(eth, ksz80xx->addr, ETH_PHY_BMCR_REG_ADDR, bmcr.val), err, TAG, "write BMCR failed");
/* Wait for auto negotiation complete */
bmsr_reg_t bmsr;
uint32_t to = 0;
for (to = 0; to < ksz80xx->autonego_timeout_ms / 100; to++) {
vTaskDelay(pdMS_TO_TICKS(100));
ESP_GOTO_ON_ERROR(eth->phy_reg_read(eth, ksz80xx->addr, ETH_PHY_BMSR_REG_ADDR, &(bmsr.val)), err, TAG, "read BMSR failed");
if (bmsr.auto_nego_complete) {
break;
}
}
if ((to >= ksz80xx->autonego_timeout_ms / 100) && (ksz80xx->link_status == ETH_LINK_UP)) {
ESP_LOGW(TAG, "auto negotiation timeout");
}
break;
case ESP_ETH_PHY_AUTONEGO_DIS:
if (bmcr.en_auto_nego == 1) {
bmcr.en_auto_nego = 0; /* Disable Auto Negotiation */
ESP_GOTO_ON_ERROR(eth->phy_reg_write(eth, ksz80xx->addr, ETH_PHY_BMCR_REG_ADDR, bmcr.val), err, TAG, "write BMCR failed");
/* read configuration back */
ESP_GOTO_ON_ERROR(eth->phy_reg_read(eth, ksz80xx->addr, ETH_PHY_BMCR_REG_ADDR, &(bmcr.val)), err, TAG, "read BMCR failed");
ESP_GOTO_ON_FALSE(bmcr.en_auto_nego == 0, ESP_FAIL, err, TAG, "disable auto-negotiation failed");
}
break;
case ESP_ETH_PHY_AUTONEGO_EN:
if (bmcr.en_auto_nego == 0) {
bmcr.en_auto_nego = 1; /* Enable Auto Negotiation */
ESP_GOTO_ON_ERROR(eth->phy_reg_write(eth, ksz80xx->addr, ETH_PHY_BMCR_REG_ADDR, bmcr.val), err, TAG, "write BMCR failed");
/* read configuration back */
ESP_GOTO_ON_ERROR(eth->phy_reg_read(eth, ksz80xx->addr, ETH_PHY_BMCR_REG_ADDR, &(bmcr.val)), err, TAG, "read BMCR failed");
ESP_GOTO_ON_FALSE(bmcr.en_auto_nego == 1, ESP_FAIL, err, TAG, "enable auto-negotiation failed");
}
break;
case ESP_ETH_PHY_AUTONEGO_G_STAT:
/* do nothing autonego_en_stat is set at the function end */
break;
default:
return ESP_ERR_INVALID_ARG;
}
*autonego_en_stat = bmcr.en_auto_nego;
return ESP_OK;
err:
return ret;
}
static esp_err_t ksz80xx_pwrctl(esp_eth_phy_t *phy, bool enable)
{
esp_err_t ret = ESP_OK;
phy_ksz80xx_t *ksz80xx = __containerof(phy, phy_ksz80xx_t, parent);
esp_eth_mediator_t *eth = ksz80xx->eth;
bmcr_reg_t bmcr;
ESP_GOTO_ON_ERROR(eth->phy_reg_read(eth, ksz80xx->addr, ETH_PHY_BMCR_REG_ADDR, &(bmcr.val)), err, TAG, "read BMCR failed");
if (!enable) {
/* General Power Down Mode */
bmcr.power_down = 1;
} else {
/* Normal operation Mode */
bmcr.power_down = 0;
}
ESP_GOTO_ON_ERROR(eth->phy_reg_write(eth, ksz80xx->addr, ETH_PHY_BMCR_REG_ADDR, bmcr.val), err, TAG, "write BMCR failed");
if (!enable) {
ESP_GOTO_ON_ERROR(eth->phy_reg_read(eth, ksz80xx->addr, ETH_PHY_BMCR_REG_ADDR, &(bmcr.val)), err, TAG, "read BMCR failed");
ESP_GOTO_ON_FALSE(bmcr.power_down == 1, ESP_FAIL, err, TAG, "power down failed");
} else {
/* wait for power up complete */
uint32_t to = 0;
for (to = 0; to < ksz80xx->reset_timeout_ms / 10; to++) {
vTaskDelay(pdMS_TO_TICKS(10));
ESP_GOTO_ON_ERROR(eth->phy_reg_read(eth, ksz80xx->addr, ETH_PHY_BMCR_REG_ADDR, &(bmcr.val)), err, TAG, "read BMCR failed");
if (bmcr.power_down == 0) {
break;
}
}
ESP_GOTO_ON_FALSE(to < ksz80xx->reset_timeout_ms / 10, ESP_FAIL, err, TAG, "power up timeout");
}
return ESP_OK;
err:
return ret;
}
static esp_err_t ksz80xx_set_addr(esp_eth_phy_t *phy, uint32_t addr)
{
phy_ksz80xx_t *ksz80xx = __containerof(phy, phy_ksz80xx_t, parent);
ksz80xx->addr = addr;
return ESP_OK;
}
static esp_err_t ksz80xx_get_addr(esp_eth_phy_t *phy, uint32_t *addr)
{
esp_err_t ret = ESP_OK;
ESP_GOTO_ON_FALSE(addr, ESP_ERR_INVALID_ARG, err, TAG, "addr can't be null");
phy_ksz80xx_t *ksz80xx = __containerof(phy, phy_ksz80xx_t, parent);
*addr = ksz80xx->addr;
return ESP_OK;
err:
return ret;
}
static esp_err_t ksz80xx_del(esp_eth_phy_t *phy)
{
phy_ksz80xx_t *ksz80xx = __containerof(phy, phy_ksz80xx_t, parent);
free(ksz80xx);
return ESP_OK;
}
static esp_err_t ksz80xx_advertise_pause_ability(esp_eth_phy_t *phy, uint32_t ability)
{
esp_err_t ret = ESP_OK;
phy_ksz80xx_t *ksz80xx = __containerof(phy, phy_ksz80xx_t, parent);
esp_eth_mediator_t *eth = ksz80xx->eth;
/* Set PAUSE function ability */
anar_reg_t anar;
ESP_GOTO_ON_ERROR(eth->phy_reg_read(eth, ksz80xx->addr, ETH_PHY_ANAR_REG_ADDR, &(anar.val)), err, TAG, "read ANAR failed");
if (ability) {
anar.asymmetric_pause = 1;
anar.symmetric_pause = 1;
} else {
anar.asymmetric_pause = 0;
anar.symmetric_pause = 0;
}
ESP_GOTO_ON_ERROR(eth->phy_reg_write(eth, ksz80xx->addr, ETH_PHY_ANAR_REG_ADDR, anar.val), err, TAG, "write ANAR failed");
return ESP_OK;
err:
return ret;
}
static esp_err_t ksz80xx_loopback(esp_eth_phy_t *phy, bool enable)
{
esp_err_t ret = ESP_OK;
phy_ksz80xx_t *ksz80xx = __containerof(phy, phy_ksz80xx_t, parent);
esp_eth_mediator_t *eth = ksz80xx->eth;
/* Set Loopback function */
bmcr_reg_t bmcr;
ESP_GOTO_ON_ERROR(eth->phy_reg_read(eth, ksz80xx->addr, ETH_PHY_BMCR_REG_ADDR, &(bmcr.val)), err, TAG, "read BMCR failed");
if (enable) {
bmcr.en_loopback = 1;
} else {
bmcr.en_loopback = 0;
}
ESP_GOTO_ON_ERROR(eth->phy_reg_write(eth, ksz80xx->addr, ETH_PHY_BMCR_REG_ADDR, bmcr.val), err, TAG, "write BMCR failed");
return ESP_OK;
err:
return ret;
}
static esp_err_t ksz80xx_set_speed(esp_eth_phy_t *phy, eth_speed_t speed)
{
esp_err_t ret = ESP_OK;
phy_ksz80xx_t *ksz80xx = __containerof(phy, phy_ksz80xx_t, parent);
esp_eth_mediator_t *eth = ksz80xx->eth;
if (ksz80xx->link_status == ETH_LINK_UP) {
/* Since the link is going to be reconfigured, consider it down for a while */
ksz80xx->link_status = ETH_LINK_DOWN;
/* Indicate to upper stream apps the link is cosidered down */
ESP_GOTO_ON_ERROR(eth->on_state_changed(eth, ETH_STATE_LINK, (void *)ksz80xx->link_status), err, TAG, "change link failed");
}
/* Set speed */
bmcr_reg_t bmcr;
ESP_GOTO_ON_ERROR(eth->phy_reg_read(eth, ksz80xx->addr, ETH_PHY_BMCR_REG_ADDR, &(bmcr.val)), err, TAG, "read BMCR failed");
bmcr.speed_select = speed;
ESP_GOTO_ON_ERROR(eth->phy_reg_write(eth, ksz80xx->addr, ETH_PHY_BMCR_REG_ADDR, bmcr.val), err, TAG, "write BMCR failed");
return ESP_OK;
err:
return ret;
}
static esp_err_t ksz80xx_set_duplex(esp_eth_phy_t *phy, eth_duplex_t duplex)
{
esp_err_t ret = ESP_OK;
phy_ksz80xx_t *ksz80xx = __containerof(phy, phy_ksz80xx_t, parent);
esp_eth_mediator_t *eth = ksz80xx->eth;
if (ksz80xx->link_status == ETH_LINK_UP) {
/* Since the link is going to be reconfigured, consider it down for a while */
ksz80xx->link_status = ETH_LINK_DOWN;
/* Indicate to upper stream apps the link is cosidered down */
ESP_GOTO_ON_ERROR(eth->on_state_changed(eth, ETH_STATE_LINK, (void *)ksz80xx->link_status), err, TAG, "change link failed");
}
/* Set duplex mode */
bmcr_reg_t bmcr;
ESP_GOTO_ON_ERROR(eth->phy_reg_read(eth, ksz80xx->addr, ETH_PHY_BMCR_REG_ADDR, &(bmcr.val)), err, TAG, "read BMCR failed");
bmcr.duplex_mode = duplex;
ESP_GOTO_ON_ERROR(eth->phy_reg_write(eth, ksz80xx->addr, ETH_PHY_BMCR_REG_ADDR, bmcr.val), err, TAG, "write BMCR failed");
return ESP_OK;
err:
return ret;
}
static bool ksz80xx_init_model(phy_ksz80xx_t *ksz80xx)
{
// set variables for op_mode access
switch (ksz80xx->model_number) {
case KSZ80XX_MODEL_NUMBER_21: // models KSZ8001
case KSZ80XX_MODEL_NUMBER_11: // models KSZ8041
ksz80xx->op_mode_reg = KSZ80XX_PC2R_REG_ADDR;
ksz80xx->op_mode_offset = 2; // bits 4:2
break;
case KSZ80XX_MODEL_NUMBER_15: // models KSZ8021/31
case KSZ80XX_MODEL_NUMBER_16: // models KSZ8051/81/91
case KSZ80XX_MODEL_NUMBER_17: // models KSZ8061
ksz80xx->op_mode_reg = KSZ80XX_PC1R_REG_ADDR;
ksz80xx->op_mode_offset = 0; // bits 2:0
break;
default:
return false;
}
return true;
}
static esp_err_t ksz80xx_init(esp_eth_phy_t *phy)
{
esp_err_t ret = ESP_OK;
phy_ksz80xx_t *ksz80xx = __containerof(phy, phy_ksz80xx_t, parent);
esp_eth_mediator_t *eth = ksz80xx->eth;
/* Power on Ethernet PHY */
ESP_GOTO_ON_ERROR(ksz80xx_pwrctl(phy, true), err, TAG, "power control failed");
/* Reset Ethernet PHY */
ESP_GOTO_ON_ERROR(ksz80xx_reset(phy), err, TAG, "reset failed");
/* Check PHY ID */
phyidr1_reg_t id1;
phyidr2_reg_t id2;
ESP_GOTO_ON_ERROR(eth->phy_reg_read(eth, ksz80xx->addr, ETH_PHY_IDR1_REG_ADDR, &(id1.val)), err, TAG, "read ID1 failed");
ESP_GOTO_ON_ERROR(eth->phy_reg_read(eth, ksz80xx->addr, ETH_PHY_IDR2_REG_ADDR, &(id2.val)), err, TAG, "read ID2 failed");
ESP_GOTO_ON_FALSE(id1.oui_msb == KSZ80XX_PHY_ID_MSB && id2.oui_lsb == KSZ80XX_PHY_ID_LSB, ESP_FAIL, err, TAG, "wrong chip ID");
const char* supported_model_name = NULL;
ksz80xx->model_number = id2.vendor_model;
for (size_t i = 0; i < sizeof(supported_model_numbers); i++) {
if (ksz80xx->model_number == supported_model_numbers[i]) {
supported_model_name = model_names[i];
break;
}
}
ESP_GOTO_ON_FALSE(supported_model_name != NULL && ksz80xx_init_model(ksz80xx), ESP_FAIL, err, TAG, "unsupported model number: %#04x", ksz80xx->model_number);
ESP_LOGI(TAG, "auto detected phy KSZ80%s", supported_model_name);
return ESP_OK;
err:
return ret;
}
static esp_err_t ksz80xx_deinit(esp_eth_phy_t *phy)
{
esp_err_t ret = ESP_OK;
/* Power off Ethernet PHY */
ESP_GOTO_ON_ERROR(ksz80xx_pwrctl(phy, false), err, TAG, "power control failed");
return ESP_OK;
err:
return ret;
}
esp_eth_phy_t *esp_eth_phy_new_ksz80xx(const eth_phy_config_t *config)
{
esp_eth_phy_t *ret = NULL;
ESP_GOTO_ON_FALSE(config, NULL, err, TAG, "can't set phy config to null");
phy_ksz80xx_t *ksz80xx = calloc(1, sizeof(phy_ksz80xx_t));
ESP_GOTO_ON_FALSE(ksz80xx, NULL, err, TAG, "calloc ksz80xx failed");
ksz80xx->addr = config->phy_addr;
ksz80xx->reset_gpio_num = config->reset_gpio_num;
ksz80xx->reset_timeout_ms = config->reset_timeout_ms;
ksz80xx->link_status = ETH_LINK_DOWN;
ksz80xx->autonego_timeout_ms = config->autonego_timeout_ms;
ksz80xx->parent.reset = ksz80xx_reset;
ksz80xx->parent.reset_hw = ksz80xx_reset_hw;
ksz80xx->parent.init = ksz80xx_init;
ksz80xx->parent.deinit = ksz80xx_deinit;
ksz80xx->parent.set_mediator = ksz80xx_set_mediator;
ksz80xx->parent.autonego_ctrl = ksz80xx_autonego_ctrl;
ksz80xx->parent.get_link = ksz80xx_get_link;
ksz80xx->parent.pwrctl = ksz80xx_pwrctl;
ksz80xx->parent.get_addr = ksz80xx_get_addr;
ksz80xx->parent.set_addr = ksz80xx_set_addr;
ksz80xx->parent.advertise_pause_ability = ksz80xx_advertise_pause_ability;
ksz80xx->parent.loopback = ksz80xx_loopback;
ksz80xx->parent.set_speed = ksz80xx_set_speed;
ksz80xx->parent.set_duplex = ksz80xx_set_duplex;
ksz80xx->parent.del = ksz80xx_del;
return &(ksz80xx->parent);
err:
return ret;
}
Reference in New Issue View Git Blame Copy Permalink