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BBA/BuiltIn: Fix MAC address issues with TCP and UDP

This commit is contained in:
Sepalani 2022-07-31 00:01:31 +04:00
parent cc7cfe249e
commit b029b468cd
1 changed files with 7 additions and 4 deletions
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11
Source/Core/Core/HW/EXI/BBA/BuiltIn.cpp
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@ -233,7 +233,9 @@ CEXIETHERNET::BuiltInBBAInterface::TryGetDataFromSocket(StackRef* ref)
if (datasize > 0)
{
ref->from.sin_port = htons(remote_port);
ref->from.sin_addr.s_addr = htonl(ref->target.toInteger());
const u32 remote_ip = htonl(ref->target.toInteger());
ref->from.sin_addr.s_addr = remote_ip;
ref->my_mac = ResolveAddress(remote_ip);
const std::vector<u8> udp_data(buffer.begin(), buffer.begin() + datasize);
const Common::UDPPacket packet(ref->bba_mac, ref->my_mac, ref->from, ref->to, udp_data);
return packet.Build();
@ -324,12 +326,13 @@ void CEXIETHERNET::BuiltInBBAInterface::HandleTCPFrame(const Common::TCPPacket&
ref->type = IPPROTO_TCP;
for (auto& tcp_buf : ref->tcp_buffers)
tcp_buf.used = false;
ref->from.sin_addr.s_addr = Common::BitCast<u32>(ip_header.destination_addr);
const u32 destination_ip = Common::BitCast<u32>(ip_header.destination_addr);
ref->from.sin_addr.s_addr = destination_ip;
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 = m_current_mac;
ref->my_mac = m_fake_mac;
ref->my_mac = ResolveAddress(destination_ip);
ref->tcp_socket.setBlocking(false);
// reply with a sin_ack
@ -339,7 +342,7 @@ void CEXIETHERNET::BuiltInBBAInterface::HandleTCPFrame(const Common::TCPPacket&
result.tcp_options = {0x02, 0x04, 0x05, 0xb4, 0x01, 0x01, 0x01, 0x01};
ref->seq_num++;
target = sf::IpAddress(ntohl(Common::BitCast<u32>(ip_header.destination_addr)));
target = sf::IpAddress(ntohl(destination_ip));
ref->tcp_socket.connect(target, ntohs(tcp_header.destination_port));
ref->ready = false;
ref->ip = Common::BitCast<u32>(ip_header.destination_addr);