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[mle] update kAloc16ServiceEnd and add explicit ALOC16 range check (#11300)

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This commit updates `kAloc16ServiceEnd` to `0xfc1f`, aligning it with
recent changes in the Thread specification. The range `0xfc10-0xfc1f`
is now used for service ALOC16 corresponding to the 16 service IDs,
and the range `0xfc20-0xfc2f` is reserved for future use.

It also updates the `NetworkData::Leader::AnycastLookup()` to
explicitly check a given `aAloc16` against the defined ALOC16 ranges.
This replaces the previous model, which assumed that ALOC16 ranges
followed each other sequentially. While this assumption held true
previously, the introduction of the reserved range disrupts this
pattern. The explicit range check ensures correct behavior regardless
of future changes, making it a safer and more robust approach.
This commit is contained in:
Abtin Keshavarzian
2025-02-26 16:16:24 -08:00
committed by GitHub
parent aaa929f6a6
commit a67454f8cc
4 changed files with 32 additions and 5 deletions
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tests/unit/test_serial_number.cpp
+6
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@@ -110,6 +110,12 @@ void TestNumUtils(void)
u32 = 0xfff0000;
VerifyOrQuit(ClampToUint16(u32) == 0xffff);
VerifyOrQuit(IsValueInRange<uint8_t>(5, 5, 10));
VerifyOrQuit(IsValueInRange<uint8_t>(7, 5, 10));
VerifyOrQuit(IsValueInRange<uint8_t>(10, 5, 10));
VerifyOrQuit(!IsValueInRange<uint8_t>(4, 5, 10));
VerifyOrQuit(!IsValueInRange<uint8_t>(11, 5, 10));
VerifyOrQuit(ThreeWayCompare<uint8_t>(2, 2) == 0);
VerifyOrQuit(ThreeWayCompare<uint8_t>(2, 1) > 0);
VerifyOrQuit(ThreeWayCompare<uint8_t>(1, 2) < 0);