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[routing-manager] include Stub Router flag in emitted RAs by BR (#9486)

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This commit updates `RoutingManager` to include the Flags Extension
Option with Stub Router flag in its emitted Router Advertisement
messages.

Config `STUB_ROUTER_FLAG_IN_EMITTED_RA_ENABLE` can be used to enable
or disable this behavior which is enabled by default.
This commit is contained in:
Abtin Keshavarzian
2023-10-05 13:58:21 -07:00
committed by GitHub
parent e64f38a816
commit 4f6b4923aa
5 changed files with 69 additions and 2 deletions
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tests/unit/test_routing_manager.cpp
+20
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@@ -449,6 +449,17 @@ void ValidateRouterAdvert(const Icmp6Packet &aPacket)
break;
}
#if OPENTHREAD_CONFIG_BORDER_ROUTING_STUB_ROUTER_FLAG_IN_EMITTED_RA_ENABLE
case Ip6::Nd::Option::kTypeRaFlagsExtension:
{
const Ip6::Nd::RaFlagsExtOption &flagsOption = static_cast<const Ip6::Nd::RaFlagsExtOption &>(option);
VerifyOrQuit(flagsOption.IsValid());
VerifyOrQuit(flagsOption.IsStubRouterFlagSet());
break;
}
#endif
default:
VerifyOrQuit(false, "Unexpected option type in RA msg");
}
@@ -545,6 +556,15 @@ void LogRouterAdvert(const Icmp6Packet &aPacket)
break;
}
case Ip6::Nd::Option::kTypeRaFlagsExtension:
{
const Ip6::Nd::RaFlagsExtOption &flagsOption = static_cast<const Ip6::Nd::RaFlagsExtOption &>(option);
VerifyOrQuit(flagsOption.IsValid());
Log(" FlagsExt - StubRouter:%u", flagsOption.IsStubRouterFlagSet());
break;
}
default:
VerifyOrQuit(false, "Bad option type in RA msg");
}