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Merge branch 'bugfix/stop_mac_can_be_controlled_by_user_v4.1' into 'release/v4.1'

Browse source 
Bugfix/stop mac can be controlled by user v4.1

See merge request espressif/esp-idf!8761
This commit is contained in:
David Čermák 2020-05-16 03:28:33 +08:00
parent 32e20304a7 222ac1dd60
commit 19163393a9
6 changed files with 101 additions and 22 deletions
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24
components/esp_eth/include/esp_eth_mac.h
View file

@ -73,6 +73,30 @@ struct esp_eth_mac_s {
*/
esp_err_t (*deinit)(esp_eth_mac_t *mac);
/**
* @brief Start Ethernet MAC
*
* @param[in] mac: Ethernet MAC instance
*
* @return
* - ESP_OK: start Ethernet MAC successfully
* - ESP_FAIL: start Ethernet MAC failed because some other error occurred
*
*/
esp_err_t (*start)(esp_eth_mac_t *mac);
/**
* @brief Stop Ethernet MAC
*
* @param[in] mac: Ethernet MAC instance
*
* @return
* - ESP_OK: stop Ethernet MAC successfully
* - ESP_FAIL: stop Ethernet MAC failed because some error occurred
*
*/
esp_err_t (*stop)(esp_eth_mac_t *mac);
/**
* @brief Transmit packet from Ethernet MAC
*

42
components/esp_eth/src/esp_eth.c
View file

@ -34,7 +34,10 @@ static const char *TAG = "esp_eth";
ESP_EVENT_DEFINE_BASE(ETH_EVENT);
#define ESP_ETH_FLAGS_STARTED (1<<0)
typedef enum {
ESP_ETH_FSM_STOP,
ESP_ETH_FSM_START
} esp_eth_fsm_t;
/**
* @brief The Ethernet driver mainly consists of PHY, MAC and
@ -56,7 +59,7 @@ typedef struct {
eth_link_t link;
atomic_int ref_count;
void *priv;
uint32_t flags;
_Atomic esp_eth_fsm_t fsm;
esp_err_t (*stack_input)(esp_eth_handle_t eth_handle, uint8_t *buffer, uint32_t length, void *priv);
esp_err_t (*on_lowlevel_init_done)(esp_eth_handle_t eth_handle);
esp_err_t (*on_lowlevel_deinit_done)(esp_eth_handle_t eth_handle);
@ -175,6 +178,7 @@ esp_err_t esp_eth_driver_install(const esp_eth_config_t *config, esp_eth_handle_
esp_eth_driver_t *eth_driver = heap_caps_calloc(1, sizeof(esp_eth_driver_t), MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT);
ETH_CHECK(eth_driver, "request memory for eth_driver failed", err, ESP_ERR_NO_MEM);
atomic_init(&eth_driver->ref_count, 1);
atomic_init(&eth_driver->fsm, ESP_ETH_FSM_STOP);
eth_driver->mac = mac;
eth_driver->phy = phy;
eth_driver->link = ETH_LINK_DOWN;
@ -221,9 +225,20 @@ esp_err_t esp_eth_driver_uninstall(esp_eth_handle_t hdl)
esp_err_t ret = ESP_OK;
esp_eth_driver_t *eth_driver = (esp_eth_driver_t *)hdl;
ETH_CHECK(eth_driver, "ethernet driver handle can't be null", err, ESP_ERR_INVALID_ARG);
// check if driver has started
esp_eth_fsm_t expected_fsm = ESP_ETH_FSM_STOP;
if (!atomic_compare_exchange_strong(&eth_driver->fsm, &expected_fsm, ESP_ETH_FSM_STOP)) {
ESP_LOGW(TAG, "driver not stopped yet");
ret = ESP_ERR_INVALID_STATE;
goto err;
}
// don't uninstall driver unless there's only one reference
ETH_CHECK(atomic_load(&eth_driver->ref_count) == 1,
"more than one reference to ethernet driver", err, ESP_ERR_INVALID_STATE);
int expected_ref_count = 1;
if (!atomic_compare_exchange_strong(&eth_driver->ref_count, &expected_ref_count, 0)) {
ESP_LOGE(TAG, "%d ethernet reference in use", expected_ref_count);
ret = ESP_ERR_INVALID_STATE;
goto err;
}
esp_eth_mac_t *mac = eth_driver->mac;
esp_eth_phy_t *phy = eth_driver->phy;
ETH_CHECK(xTimerDelete(eth_driver->check_link_timer, 0) == pdPASS, "delete eth_link_timer failed", err, ESP_FAIL);
@ -241,12 +256,12 @@ esp_err_t esp_eth_start(esp_eth_handle_t hdl)
esp_eth_driver_t *eth_driver = (esp_eth_driver_t *)hdl;
ETH_CHECK(eth_driver, "ethernet driver handle can't be null", err, ESP_ERR_INVALID_ARG);
// check if driver has started
if (eth_driver->flags & ESP_ETH_FLAGS_STARTED) {
esp_eth_fsm_t expected_fsm = ESP_ETH_FSM_STOP;
if (!atomic_compare_exchange_strong(&eth_driver->fsm, &expected_fsm, ESP_ETH_FSM_START)) {
ESP_LOGW(TAG, "driver started already");
ret = ESP_ERR_INVALID_STATE;
goto err;
}
eth_driver->flags |= ESP_ETH_FLAGS_STARTED;
ETH_CHECK(eth_driver->phy->reset(eth_driver->phy) == ESP_OK, "reset phy failed", err, ESP_FAIL);
ETH_CHECK(xTimerStart(eth_driver->check_link_timer, 0) == pdPASS,
"start eth_link_timer failed", err, ESP_FAIL);
@ -265,17 +280,18 @@ esp_err_t esp_eth_stop(esp_eth_handle_t hdl)
esp_eth_driver_t *eth_driver = (esp_eth_driver_t *)hdl;
ETH_CHECK(eth_driver, "ethernet driver handle can't be null", err, ESP_ERR_INVALID_ARG);
// check if driver has started
if (eth_driver->flags & ESP_ETH_FLAGS_STARTED) {
eth_driver->flags &= ~ESP_ETH_FLAGS_STARTED;
ETH_CHECK(xTimerStop(eth_driver->check_link_timer, 0) == pdPASS,
"stop eth_link_timer failed", err, ESP_FAIL);
ETH_CHECK(esp_event_post(ETH_EVENT, ETHERNET_EVENT_STOP, &eth_driver, sizeof(eth_driver), 0) == ESP_OK,
"send ETHERNET_EVENT_STOP event failed", err, ESP_FAIL);
} else {
esp_eth_fsm_t expected_fsm = ESP_ETH_FSM_START;
if (!atomic_compare_exchange_strong(&eth_driver->fsm, &expected_fsm, ESP_ETH_FSM_STOP)) {
ESP_LOGW(TAG, "driver not started yet");
ret = ESP_ERR_INVALID_STATE;
goto err;
}
esp_eth_mac_t *mac = eth_driver->mac;
ETH_CHECK(mac->stop(mac) == ESP_OK, "stop mac failed", err, ESP_FAIL);
ETH_CHECK(xTimerStop(eth_driver->check_link_timer, 0) == pdPASS,
"stop eth_link_timer failed", err, ESP_FAIL);
ETH_CHECK(esp_event_post(ETH_EVENT, ETHERNET_EVENT_STOP, &eth_driver, sizeof(eth_driver), 0) == ESP_OK,
"send ETHERNET_EVENT_STOP event failed", err, ESP_FAIL);
return ESP_OK;
err:
return ret;

18
components/esp_eth/src/esp_eth_mac_dm9051.c
View file

@ -337,9 +337,10 @@ err:
/**
* @brief start dm9051: enable interrupt and start receive
*/
static esp_err_t dm9051_start(emac_dm9051_t *emac)
static esp_err_t emac_dm9051_start(esp_eth_mac_t *mac)
{
esp_err_t ret = ESP_OK;
emac_dm9051_t *emac = __containerof(mac, emac_dm9051_t, parent);
/* enable interrupt */
MAC_CHECK(dm9051_register_write(emac, DM9051_IMR, IMR_ALL) == ESP_OK, "write IMR failed", err, ESP_FAIL);
/* enable rx */
@ -355,9 +356,10 @@ err:
/**
* @brief stop dm9051: disable interrupt and stop receive
*/
static esp_err_t dm9051_stop(emac_dm9051_t *emac)
static esp_err_t emac_dm9051_stop(esp_eth_mac_t *mac)
{
esp_err_t ret = ESP_OK;
emac_dm9051_t *emac = __containerof(mac, emac_dm9051_t, parent);
/* disable interrupt */
MAC_CHECK(dm9051_register_write(emac, DM9051_IMR, 0x00) == ESP_OK, "write IMR failed", err, ESP_FAIL);
/* disable rx */
@ -519,11 +521,11 @@ static esp_err_t emac_dm9051_set_link(esp_eth_mac_t *mac, eth_link_t link)
switch (link) {
case ETH_LINK_UP:
MAC_CHECK(nsr & NSR_LINKST, "phy is not link up", err, ESP_ERR_INVALID_STATE);
MAC_CHECK(dm9051_start(emac) == ESP_OK, "dm9051 start failed", err, ESP_FAIL);
MAC_CHECK(mac->start(mac) == ESP_OK, "dm9051 start failed", err, ESP_FAIL);
break;
case ETH_LINK_DOWN:
MAC_CHECK(!(nsr & NSR_LINKST), "phy is not link down", err, ESP_ERR_INVALID_STATE);
MAC_CHECK(dm9051_stop(emac) == ESP_OK, "dm9051 stop failed", err, ESP_FAIL);
MAC_CHECK(mac->stop(mac) == ESP_OK, "dm9051 stop failed", err, ESP_FAIL);
break;
default:
MAC_CHECK(false, "unknown link status", err, ESP_ERR_INVALID_ARG);
@ -629,12 +631,12 @@ static esp_err_t emac_dm9051_receive(esp_eth_mac_t *mac, uint8_t *buf, uint32_t
MAC_CHECK(dm9051_register_read(emac, DM9051_MRCMDX, &rxbyte) == ESP_OK, "read MRCMDX failed", err, ESP_FAIL);
/* rxbyte must be 0xFF, 0 or 1 */
if (rxbyte > 1) {
MAC_CHECK(dm9051_stop(emac) == ESP_OK, "stop dm9051 failed", err, ESP_FAIL);
MAC_CHECK(mac->stop(mac) == ESP_OK, "stop dm9051 failed", err, ESP_FAIL);
/* reset rx fifo pointer */
MAC_CHECK(dm9051_register_write(emac, DM9051_MPTRCR, MPTRCR_RST_RX) == ESP_OK,
"write MPTRCR failed", err, ESP_FAIL);
ets_delay_us(10);
MAC_CHECK(dm9051_start(emac) == ESP_OK, "start dm9051 failed", err, ESP_FAIL);
MAC_CHECK(mac->start(mac) == ESP_OK, "start dm9051 failed", err, ESP_FAIL);
MAC_CHECK(false, "reset rx fifo pointer", err, ESP_FAIL);
} else if (rxbyte) {
MAC_CHECK(dm9051_memory_peek(emac, (uint8_t *)&header, sizeof(header)) == ESP_OK,
@ -698,7 +700,7 @@ static esp_err_t emac_dm9051_deinit(esp_eth_mac_t *mac)
{
emac_dm9051_t *emac = __containerof(mac, emac_dm9051_t, parent);
esp_eth_mediator_t *eth = emac->eth;
dm9051_stop(emac);
mac->stop(mac);
gpio_isr_handler_remove(emac->int_gpio_num);
gpio_reset_pin(emac->int_gpio_num);
eth->on_state_changed(eth, ETH_STATE_DEINIT, NULL);
@ -731,6 +733,8 @@ esp_eth_mac_t *esp_eth_mac_new_dm9051(const eth_dm9051_config_t *dm9051_config,
emac->parent.set_mediator = emac_dm9051_set_mediator;
emac->parent.init = emac_dm9051_init;
emac->parent.deinit = emac_dm9051_deinit;
emac->parent.start = emac_dm9051_start;
emac->parent.stop = emac_dm9051_stop;
emac->parent.del = emac_dm9051_del;
emac->parent.write_phy_reg = emac_dm9051_write_phy_reg;
emac->parent.read_phy_reg = emac_dm9051_read_phy_reg;

20
components/esp_eth/src/esp_eth_mac_esp32.c
View file

@ -244,8 +244,8 @@ static void emac_esp32_rx_task(void *arg)
uint8_t *buffer = NULL;
uint32_t length = 0;
while (1) {
// block indefinitely until some task notifies me
ulTaskNotifyTake(pdFALSE, portMAX_DELAY);
// block indefinitely until got notification from underlay event
ulTaskNotifyTake(pdTRUE, portMAX_DELAY);
do {
length = ETH_MAX_PACKET_SIZE;
buffer = malloc(length);
@ -336,6 +336,20 @@ static esp_err_t emac_esp32_deinit(esp_eth_mac_t *mac)
return ESP_OK;
}
static esp_err_t emac_esp32_start(esp_eth_mac_t *mac)
{
emac_esp32_t *emac = __containerof(mac, emac_esp32_t, parent);
emac_hal_start(&emac->hal);
return ESP_OK;
}
static esp_err_t emac_esp32_stop(esp_eth_mac_t *mac)
{
emac_esp32_t *emac = __containerof(mac, emac_esp32_t, parent);
emac_hal_stop(&emac->hal);
return ESP_OK;
}
static esp_err_t emac_esp32_del(esp_eth_mac_t *mac)
{
emac_esp32_t *emac = __containerof(mac, emac_esp32_t, parent);
@ -410,6 +424,8 @@ esp_eth_mac_t *esp_eth_mac_new_esp32(const eth_mac_config_t *config)
emac->parent.set_mediator = emac_esp32_set_mediator;
emac->parent.init = emac_esp32_init;
emac->parent.deinit = emac_esp32_deinit;
emac->parent.start = emac_esp32_start;
emac->parent.stop = emac_esp32_stop;
emac->parent.del = emac_esp32_del;
emac->parent.write_phy_reg = emac_esp32_write_phy_reg;
emac->parent.read_phy_reg = emac_esp32_read_phy_reg;

14
components/esp_eth/src/esp_eth_mac_openeth.c
View file

@ -319,6 +319,18 @@ static esp_err_t emac_opencores_deinit(esp_eth_mac_t *mac)
return ESP_OK;
}
static esp_err_t emac_opencores_start(esp_eth_mac_t *mac)
{
openeth_enable();
return ESP_OK;
}
static esp_err_t emac_opencores_stop(esp_eth_mac_t *mac)
{
openeth_disable();
return ESP_OK;
}
static esp_err_t emac_opencores_del(esp_eth_mac_t *mac)
{
emac_opencores_t *emac = __containerof(mac, emac_opencores_t, parent);
@ -366,6 +378,8 @@ esp_eth_mac_t *esp_eth_mac_new_openeth(const eth_mac_config_t *config)
emac->parent.set_mediator = emac_opencores_set_mediator;
emac->parent.init = emac_opencores_init;
emac->parent.deinit = emac_opencores_deinit;
emac->parent.start = emac_opencores_start;
emac->parent.stop = emac_opencores_stop;
emac->parent.del = emac_opencores_del;
emac->parent.write_phy_reg = emac_opencores_write_phy_reg;
emac->parent.read_phy_reg = emac_opencores_read_phy_reg;

5
components/esp_eth/src/esp_eth_phy_dm9051.c
View file

@ -94,6 +94,11 @@ static esp_err_t dm9051_update_link_duplex_speed(phy_dm9051_t *dm9051)
eth_duplex_t duplex = ETH_DUPLEX_HALF;
bmsr_reg_t bmsr;
dscsr_reg_t dscsr;
// BMSR is a latch low register
// after power up, the first latched value must be 0, which means down
// to speed up power up link speed, double read this register as a workaround
PHY_CHECK(eth->phy_reg_read(eth, dm9051->addr, ETH_PHY_BMSR_REG_ADDR, &(bmsr.val)) == ESP_OK,
"read BMSR failed", err);
PHY_CHECK(eth->phy_reg_read(eth, dm9051->addr, ETH_PHY_BMSR_REG_ADDR, &(bmsr.val)) == ESP_OK,
"read BMSR failed", err);
eth_link_t link = bmsr.link_status ? ETH_LINK_UP : ETH_LINK_DOWN;