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[routing-manager] prefer OMR prefix with higher Pref (#7688)

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This commit fixes the issue that the OMR prefix with higher Pref is not preferred.
This commit is contained in:
Simon Lin
2022-05-16 22:09:13 -07:00
committed by GitHub
parent 512d072889
commit 8330e708d1
2 changed files with 21 additions and 10 deletions
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tests/scripts/thread-cert/border_router/test_manual_omr_prefix.py
+10 -2
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@@ -79,21 +79,29 @@ class ManualOmrsPrefix(thread_cert.TestCase):
# Add a smaller OMR prefix. Verify BR_1 withdraws its OMR prefix.
self._test_manual_omr_prefix('2001::/64', 'paros', expect_withdraw=True)
# Add a bigger OMR prefix. Verify BR_1 does not withdraw its OMR prefix.
self._test_manual_omr_prefix('fdff:ffff:1::/64', 'paros', expect_withdraw=False, prf='med')
# Add a high preference bigger OMR prefix. Verify BR_1 withdraws its OMR prefix.
self._test_manual_omr_prefix('fdff:ffff:2::/64', 'paros', expect_withdraw=True, prf='high')
# Add a smaller but invalid OMR prefix (P_on_mesh = 0). Verify BR_1 does not withdraw its OMR prefix.
self._test_manual_omr_prefix('2002::/64', 'pars', expect_withdraw=False)
# Add a smaller but invalid OMR prefix (P_stable = 0). Verify BR_1 does not withdraw its OMR prefix.
self._test_manual_omr_prefix('2003::/64', 'paro', expect_withdraw=False)
def _test_manual_omr_prefix(self, prefix, flags, expect_withdraw):
def _test_manual_omr_prefix(self, prefix, flags, expect_withdraw, prf='med'):
br1 = self.nodes[BR_1]
br2 = self.nodes[BR_2]
br2.add_prefix(prefix, flags)
br2.add_prefix(prefix, flags, prf=prf)
br2.register_netdata()
self.simulator.go(10)
is_omr_prefix = ('a' in flags and 'o' in flags and 's' in flags and 'D' not in flags)
if expect_withdraw:
self._assert_prefixes_equal(br1.get_netdata_omr_prefixes(), [prefix])
elif is_omr_prefix:
self._assert_prefixes_equal(br1.get_netdata_omr_prefixes(), [br1.get_br_omr_prefix(), prefix])
else:
self._assert_prefixes_equal(br1.get_netdata_omr_prefixes(), [br1.get_br_omr_prefix()])