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https://github.com/dolphin-emu/dolphin.git
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BBA: Added BuiltIn device that allow BBA emulation without the need of a TapDevice Configuration include a dns server setting
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@ -7,6 +7,7 @@
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#include <optional>
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#include <string>
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#include <string_view>
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#include <vector>
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#include "Common/CommonTypes.h"
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@ -22,7 +23,15 @@ enum class MACConsumer
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enum
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{
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MAC_ADDRESS_SIZE = 6
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BBA_HARDWARE_TYPE = 1,
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MAC_ADDRESS_SIZE = 6,
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IPV4_HEADER_TYPE = 8
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};
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enum DHCPConst
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{
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MESSAGE_QUERY = 1,
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MESSAGE_REPLY = 2
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};
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using MACAddress = std::array<u8, MAC_ADDRESS_SIZE>;
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@ -67,6 +76,7 @@ struct TCPHeader
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{
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TCPHeader();
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TCPHeader(const sockaddr_in& from, const sockaddr_in& to, u32 seq, const u8* data, u16 length);
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TCPHeader(const sockaddr_in& from, const sockaddr_in& to, u32 seq, u32 ack, u16 flags);
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u16 Size() const;
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u8 IPProto() const;
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@ -99,6 +109,54 @@ struct UDPHeader
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};
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static_assert(sizeof(UDPHeader) == UDPHeader::SIZE);
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#pragma pack(push, 1)
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struct ARPHeader
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{
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ARPHeader();
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ARPHeader(u32 from_ip, MACAddress from_mac, u32 to_ip, MACAddress to_mac);
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u16 Size() const;
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static constexpr std::size_t SIZE = 28;
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u16 hardware_type = 0;
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u16 protocol_type = 0;
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u8 hardware_size = 0;
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u8 protocol_size = 0;
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u16 opcode = 0;
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MACAddress sender_address{};
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u32 sender_ip = 0;
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MACAddress targer_address{};
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u32 target_ip = 0;
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};
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static_assert(sizeof(ARPHeader) == ARPHeader::SIZE);
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#pragma pack(pop)
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struct DHCPBody
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{
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DHCPBody();
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DHCPBody(u32 transaction, MACAddress client_address, u32 new_ip, u32 serv_ip);
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bool AddDHCPOption(u8 size, u8 fnc, const std::vector<u8>& params);
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static constexpr std::size_t SIZE = 540;
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u8 message_type = 0;
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u8 hardware_type = 0;
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u8 hardware_addr = 0;
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u8 hops = 0;
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u32 transaction_id = 0;
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u16 secondes = 0;
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u16 boot_flag = 0;
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u32 client_ip = 0;
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u32 your_ip = 0;
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u32 server_ip = 0;
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u32 relay_ip = 0;
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MACAddress client_mac{};
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unsigned char padding[10]{};
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unsigned char hostname[0x40]{};
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unsigned char boot_file[0x80]{};
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u32 magic_cookie = 0x63538263;
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u8 options[300]{};
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};
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static_assert(sizeof(DHCPBody) == DHCPBody::SIZE);
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struct NetworkErrorState
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{
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int error;
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@ -111,6 +169,8 @@ MACAddress GenerateMacAddress(MACConsumer type);
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std::string MacAddressToString(const MACAddress& mac);
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std::optional<MACAddress> StringToMacAddress(std::string_view mac_string);
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u16 ComputeNetworkChecksum(const void* data, u16 length, u32 initial_value = 0);
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u16 ComputeTCPNetworkChecksum(const sockaddr_in& from, const sockaddr_in& to, const void* data,
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u16 length, u8 protocol);
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NetworkErrorState SaveNetworkErrorState();
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void RestoreNetworkErrorState(const NetworkErrorState& state);
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} // namespace Common
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