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Revert "esp32/eth: Don't overwrite queued event with RX packet"

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This reverts commit 95196fb7e40b12c7824e9827aadcc2ace35016a5.

Not needed since the initial event is now processed properly.
This commit is contained in:
Erik Ekman 2022-09-03 14:11:06 +02:00
parent 04a2070faa
commit d568a6dba1
1 changed files with 8 additions and 13 deletions
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21
cpu/esp32/esp-eth/esp_eth_netdev.c
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@ -100,19 +100,14 @@ static esp_err_t IRAM_ATTR _eth_input_callback(esp_eth_handle_t hdl,
mutex_lock(&_esp_eth_dev.dev_lock);
/* Don't overwrite other events, drop packet instead.
* Keep the latest received packet if previous has not been read. */
if (_esp_eth_dev.event == SYSTEM_EVENT_MAX ||
_esp_eth_dev.event == SYSTEM_EVENT_ETH_RX_DONE) {
memcpy(_esp_eth_dev.rx_buf, buffer, len);
/* buffer is allocated by the `emac_esp32_rx_task` upon receipt of a
* MAC frame and is forwarded to the consumer who responsible for
* freeing the buffer. */
free(buffer);
_esp_eth_dev.rx_len = len;
_esp_eth_dev.event = SYSTEM_EVENT_ETH_RX_DONE;
netdev_trigger_event_isr(&_esp_eth_dev.netdev);
}
memcpy(_esp_eth_dev.rx_buf, buffer, len);
/* buffer is allocated by the `emac_esp32_rx_task` upon receipt of a
* MAC frame and is forwarded to the consumer who responsible for
* freeing the buffer. */
free(buffer);
_esp_eth_dev.rx_len = len;
_esp_eth_dev.event = SYSTEM_EVENT_ETH_RX_DONE;
netdev_trigger_event_isr(&_esp_eth_dev.netdev);
mutex_unlock(&_esp_eth_dev.dev_lock);