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Merge pull request #12295 from sepalani/arp-check

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BBA/HLE: Fix GC homebrew if_config not working
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Mai 2023-12-03 11:26:00 -05:00 • committed by GitHub
commit 27be8c087e
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1 changed files with 6 additions and 0 deletions
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6
Source/Core/Core/HW/EXI/BBA/BuiltIn.cpp
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@ -143,6 +143,12 @@ void CEXIETHERNET::BuiltInBBAInterface::WriteToQueue(const std::vector<u8>& data
void CEXIETHERNET::BuiltInBBAInterface::HandleARP(const Common::ARPPacket& packet) void CEXIETHERNET::BuiltInBBAInterface::HandleARP(const Common::ARPPacket& packet)
{ {
const auto& [hwdata, arpdata] = packet; const auto& [hwdata, arpdata] = packet;
if (arpdata.sender_address == m_current_mac && arpdata.sender_ip == 0 &&
arpdata.target_ip == m_current_ip)
{
// Ignore ARP probe to itself (RFC 5227) sometimes used to prevent IP collision
return;
}
Common::ARPPacket response(m_current_mac, m_router_mac); Common::ARPPacket response(m_current_mac, m_router_mac);
response.arp_header = Common::ARPHeader(arpdata.target_ip, ResolveAddress(arpdata.target_ip), response.arp_header = Common::ARPHeader(arpdata.target_ip, ResolveAddress(arpdata.target_ip),
m_current_ip, m_current_mac); m_current_ip, m_current_mac);