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[wifi] Fix LibreTiny spurious disconnect events aborting connections (#12357)

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This commit is contained in:
J. Nick Koston
2025-12-09 16:26:27 +01:00
committed by GitHub
parent 72c74bc0b3
commit e96c37965c
1 changed files with 17 additions and 0 deletions
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17
esphome/components/wifi/wifi_component_libretiny.cpp
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@@ -312,6 +312,23 @@ void WiFiComponent::wifi_event_callback_(esphome_wifi_event_id_t event, esphome_
char buf[33];
memcpy(buf, it.ssid, it.ssid_len);
buf[it.ssid_len] = '\0';
// LibreTiny can send spurious disconnect events with empty ssid/bssid during connection.
// These are typically "Association Leave" events that don't indicate actual failures:
// [W][wifi_lt]: Disconnected ssid='' bssid=00:00:00:00:00:00 reason='Association Leave'
// [W][wifi_lt]: Disconnected ssid='' bssid=00:00:00:00:00:00 reason='Association Leave'
// [V][wifi_lt]: Connected ssid='WIFI' bssid=... channel=3, authmode=WPA2 PSK
// Without this check, the spurious events set s_sta_connecting=false, causing
// wifi_sta_connect_status_() to return IDLE. The main loop then sees
// "Unknown connection status 0" (wifi_component.cpp check_connecting_finished)
// and calls retry_connect(), aborting a connection that may succeed moments later.
// Real connection failures will have ssid/bssid populated, or we'll hit the 30s timeout.
if (it.ssid_len == 0 && s_sta_connecting) {
ESP_LOGV(TAG, "Ignoring disconnect event with empty ssid while connecting (reason=%s)",
get_disconnect_reason_str(it.reason));
break;
}
if (it.reason == WIFI_REASON_NO_AP_FOUND) {
ESP_LOGW(TAG, "Disconnected ssid='%s' reason='Probe Request Unsuccessful'", buf);
} else {