SPINEL_PROP_THREAD_LINK_METRICS_QUERY value

Link metrics query Format: `6CC` - Write-Only Required capability: `SPINEL_CAP_THREAD_LINK_METRICS` `6` : IPv6 destination address `C` : Series id (0 for Single Probe) `C` : List of requested metric ids encoded as bit fields in single byte +---------------+----+ | Metric | Id | +---------------+----+ | Received PDUs | 0 | | LQI | 1 | | Link margin | 2 | | RSSI | 3 | +---------------+----+ If the query succeeds, the NCP will send a result to the Host using SPINEL_PROP_THREAD_LINK_METRICS_QUERY_RESULT.