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nic_router: drop ARP requests when unconfigured

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Whenever the nic_router encounters ARP requests on an interface
that does not have a valid IP config it will ignore them. However,
When increasing the verbosity of the component for diagnostic
purposes the resulting 'Bad network protocol' message is misleading.

Issue #4455.
This commit is contained in:
Josef Söntgen 2022-03-15 18:12:05 +01:00 committed by Christian Helmuth
parent 80f85a854c
commit aa7303f19f
1 changed files with 3 additions and 0 deletions
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3
repos/os/src/server/nic_router/interface.cc
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@ -1591,6 +1591,9 @@ void Interface::_handle_eth(Ethernet_frame &eth,
} }
break; break;
} }
case Ethernet_frame::Type::ARP: {
throw Drop_packet("Ignore ARP request on unconfigured interface");
}
default: default:
throw Bad_network_protocol(); throw Bad_network_protocol();