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[ncp] add support to get the frame/message error rate of neighbors (#2525)

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This commit adds `SPINEL_PROP_THREAD_NEIGHBOR_TABLE_ERROR_RATES`
as a new spinel property to get the frame and message error rates
for all neighbors. This property requires the presence of a newly
added Spinel capability `CAP_ERROR_RATE_TRACKING` which indicates
if the error-tracking feature is enabled in OpenThread.
This commit is contained in:
Abtin Keshavarzian
2018-02-02 18:29:52 +00:00
committed by Jonathan Hui
parent 49b4f84685
commit 10f6c4f0cd
6 changed files with 96 additions and 0 deletions
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doc/spinel-protocol-src/spinel-tech-thread.md
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@@ -539,3 +539,26 @@ Data per item is:
* `E`: Extended address of the child
* `S`: RLOC16 of the child
* `A(6)`: List of IPv6 addresses registered by the child (if any)
### PROP 5410: SPINEL_PROP_THREAD_NEIGHBOR_TABLE_ERROR_RATES (#prop-thread-neighbor-table-error-rates)
* Type: Read-Only
* Packing-Encoding: `A(t(ESSScc))`
* Required capability: `CAP_ERROR_RATE_TRACKING`
This property provides link quality related info including
frame and (IPv6) message error rates for all neighbors.
With regards to message error rate, note that a larger (IPv6)
message can be fragmented and sent as multiple MAC frames. The
message transmission is considered a failure, if any of its
fragments fail after all MAC retry attempts.
Data per item is:
* `E`: Extended address of the neighbor
* `S`: RLOC16 of the neighbor
* `S`: Frame error rate (0 -> 0%, 0xffff -> 100%)
* `S`: Message error rate (0 -> 0%, 0xffff -> 100%)
* `c`: Average RSSI (in dBm)
* `c`: Last RSSI (in dBm)