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BBA/BuiltIn: Save current MAC address

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This commit is contained in:
Sepalani 2022-07-30 23:31:59 +04:00
parent ec60416c00
commit 0f5fe2274a
2 changed files with 11 additions and 12 deletions
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22
Source/Core/Core/HW/EXI/BBA/BuiltIn.cpp
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@ -143,6 +143,7 @@ bool CEXIETHERNET::BuiltInBBAInterface::Activate()
const u32 ip = m_local_ip.empty() ? sf::IpAddress::getLocalAddress().toInteger() :
sf::IpAddress(m_local_ip).toInteger();
m_current_ip = htonl(ip);
m_current_mac = Common::BitCastPtr<Common::MACAddress>(&m_eth_ref->mBbaMem[BBA_NAFR_PAR0]);
m_router_ip = (m_current_ip & 0xFFFFFF) | 0x01000000;
// clear all ref
@ -197,19 +198,18 @@ void CEXIETHERNET::BuiltInBBAInterface::WriteToQueue(const std::vector<u8>& data
void CEXIETHERNET::BuiltInBBAInterface::HandleARP(const Common::ARPPacket& packet)
{
const auto& [hwdata, arpdata] = packet;
const Common::MACAddress bba_mac =
Common::BitCastPtr<Common::MACAddress>(&m_eth_ref->mBbaMem[BBA_NAFR_PAR0]);
Common::ARPPacket response(bba_mac, m_fake_mac);
Common::ARPPacket response(m_current_mac, m_fake_mac);
if (arpdata.target_ip == m_current_ip)
{
// game asked for himself, reply with his mac address
response.arp_header = Common::ARPHeader(arpdata.target_ip, bba_mac, m_current_ip, bba_mac);
response.arp_header =
Common::ARPHeader(arpdata.target_ip, m_current_mac, m_current_ip, m_current_mac);
}
else
{
response.arp_header = Common::ARPHeader(arpdata.target_ip, ResolveAddress(arpdata.target_ip),
m_current_ip, bba_mac);
m_current_ip, m_current_mac);
}
WriteToQueue(response.Build());
@ -234,10 +234,8 @@ void CEXIETHERNET::BuiltInBBAInterface::HandleDHCP(const Common::UDPPacket& pack
const std::vector<u8> timeout_24h = {0, 1, 0x51, 0x80};
const Common::MACAddress bba_mac =
Common::BitCastPtr<Common::MACAddress>(&m_eth_ref->mBbaMem[BBA_NAFR_PAR0]);
Common::DHCPPacket reply;
reply.body = Common::DHCPBody(request.transaction_id, bba_mac, m_current_ip, m_router_ip);
reply.body = Common::DHCPBody(request.transaction_id, m_current_mac, m_current_ip, m_router_ip);
// options
// send our emulated lan settings
@ -256,7 +254,7 @@ void CEXIETHERNET::BuiltInBBAInterface::HandleDHCP(const Common::UDPPacket& pack
reply.AddOption(3, ip_part); // router ip
reply.AddOption(255, {}); // end
const Common::UDPPacket response(bba_mac, m_fake_mac, from, to, reply.Build());
const Common::UDPPacket response(m_current_mac, m_fake_mac, from, to, reply.Build());
WriteToQueue(response.Build());
}
@ -329,7 +327,7 @@ void CEXIETHERNET::BuiltInBBAInterface::HandleTCPFrame(const Common::TCPPacket&
ref->from.sin_port = tcp_header.destination_port;
ref->to.sin_addr.s_addr = Common::BitCast<u32>(ip_header.source_addr);
ref->to.sin_port = tcp_header.source_port;
ref->bba_mac = Common::BitCastPtr<Common::MACAddress>(&m_eth_ref->mBbaMem[BBA_NAFR_PAR0]);
ref->bba_mac = m_current_mac;
ref->my_mac = m_fake_mac;
ref->tcp_socket.setBlocking(false);
@ -420,7 +418,7 @@ void CEXIETHERNET::BuiltInBBAInterface::InitUDPPort(u16 port)
ref->local = htons(port);
ref->remote = htons(port);
ref->type = IPPROTO_UDP;
ref->bba_mac = Common::BitCastPtr<Common::MACAddress>(&m_eth_ref->mBbaMem[BBA_NAFR_PAR0]);
ref->bba_mac = m_current_mac;
ref->my_mac = m_fake_mac;
ref->from.sin_addr.s_addr = 0;
ref->from.sin_port = htons(port);
@ -450,7 +448,7 @@ void CEXIETHERNET::BuiltInBBAInterface::HandleUDPFrame(const Common::UDPPacket&
ref->local = udp_header.source_port;
ref->remote = udp_header.destination_port;
ref->type = IPPROTO_UDP;
ref->bba_mac = Common::BitCastPtr<Common::MACAddress>(&m_eth_ref->mBbaMem[BBA_NAFR_PAR0]);
ref->bba_mac = m_current_mac;
ref->my_mac = m_fake_mac;
ref->from.sin_addr.s_addr = destination_addr;
ref->from.sin_port = udp_header.destination_port;

1
Source/Core/Core/HW/EXI/EXI_DeviceEthernet.h
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@ -445,6 +445,7 @@ private:
std::mutex m_mtx;
std::string m_local_ip;
u32 m_current_ip = 0;
Common::MACAddress m_current_mac{};
u32 m_router_ip = 0;
std::map<u32, Common::MACAddress> m_arp_table;
#if defined(WIN32) || defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__) || \