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fix(esp_eth): Fixed Ethernet link reset when Ethernet is stopped

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This commit is contained in:
Ondrej Kosta
2024-02-16 12:34:01 +01:00
parent dee34c2a48
commit 1ae315e1ed
8 changed files with 123 additions and 20 deletions
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components/esp_eth/src/esp_eth.c
+3 -5
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@@ -303,7 +303,7 @@ esp_err_t esp_eth_stop(esp_eth_handle_t hdl)
esp_err_t ret = ESP_OK;
esp_eth_driver_t *eth_driver = (esp_eth_driver_t *)hdl;
ESP_GOTO_ON_FALSE(eth_driver, ESP_ERR_INVALID_ARG, err, TAG, "ethernet driver handle can't be null");
esp_eth_mac_t *mac = eth_driver->mac;
esp_eth_phy_t *phy = eth_driver->phy;
// check if driver has started
esp_eth_fsm_t expected_fsm = ESP_ETH_FSM_START;
ESP_GOTO_ON_FALSE(atomic_compare_exchange_strong(&eth_driver->fsm, &expected_fsm, ESP_ETH_FSM_STOP),
@@ -312,10 +312,8 @@ esp_err_t esp_eth_stop(esp_eth_handle_t hdl)
eth_link_t expected_link = ETH_LINK_UP;
if (atomic_compare_exchange_strong(&eth_driver->link, &expected_link, ETH_LINK_DOWN)){
// MAC is stopped by setting link down
ESP_GOTO_ON_ERROR(mac->set_link(mac, ETH_LINK_DOWN), err, TAG, "ethernet mac set link failed");
ESP_GOTO_ON_ERROR(esp_event_post(ETH_EVENT, ETHERNET_EVENT_DISCONNECTED, &eth_driver, sizeof(esp_eth_driver_t *), 0), err,
TAG, "send ETHERNET_EVENT_DISCONNECTED event failed");
// MAC is stopped by setting link down at PHY layer
ESP_GOTO_ON_ERROR(phy->set_link(phy, ETH_LINK_DOWN), err, TAG, "ethernet phy reset link failed");
}
ESP_GOTO_ON_ERROR(esp_event_post(ETH_EVENT, ETHERNET_EVENT_STOP, &eth_driver, sizeof(esp_eth_driver_t *), 0),