SPINEL_PROP_THREAD_LINK_METRICS_MGMT_ENH_ACK_IE value

Link metrics Enhanced-ACK Based Probing IE report Format: SEA(t(CD)) - Unsolicited notifications only Required capability: `SPINEL_CAP_THREAD_LINK_METRICS` `S` : Short address of the Probing Subject `E` : Extended address of the Probing Subject `t(A(t(CD)))` : Struct that contains array of structs encoded as following: `C` : Metric id `D` : Metric value +---------------+----+----------------+ | Metric | Id | Value format | +---------------+----+----------------+ | LQI | 1 | `C` (uint8_t) | | Link margin | 2 | `C` (uint8_t) | | RSSI | 3 | `c` (int8_t) | +---------------+----+----------------+