1 files changed, 56 insertions, 0 deletions

diff --git a/src/core/hle/service/nwm/uds_connection.h b/src/core/hle/service/nwm/uds_connection.h
new file mode 100644
index 000000000..a664f8471
--- /dev/null
+++ b/src/core/hle/service/nwm/uds_connection.h
@@ -0,0 +1,56 @@
+// Copyright 2017 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <tuple>
+#include <vector>
+#include "common/common_types.h"
+#include "common/swap.h"
+#include "core/hle/service/service.h"
+
+namespace Service {
+namespace NWM {
+
+/// Sequence number of the 802.11 authentication frames.
+enum class AuthenticationSeq : u16 { SEQ1 = 1, SEQ2 = 2 };
+
+enum class AuthAlgorithm : u16 { OpenSystem = 0 };
+
+enum class AuthStatus : u16 { Successful = 0 };
+
+enum class AssocStatus : u16 { Successful = 0 };
+
+struct AuthenticationFrame {
+    u16_le auth_algorithm = static_cast<u16>(AuthAlgorithm::OpenSystem);
+    u16_le auth_seq;
+    u16_le status_code = static_cast<u16>(AuthStatus::Successful);
+};
+
+static_assert(sizeof(AuthenticationFrame) == 6, "AuthenticationFrame has wrong size");
+
+struct AssociationResponseFrame {
+    u16_le capabilities;
+    u16_le status_code;
+    u16_le assoc_id;
+};
+
+static_assert(sizeof(AssociationResponseFrame) == 6, "AssociationResponseFrame has wrong size");
+
+/// Generates an 802.11 authentication frame, starting at the frame body.
+std::vector<u8> GenerateAuthenticationFrame(AuthenticationSeq seq);
+
+/// Returns the sequence number from the body of an Authentication frame.
+AuthenticationSeq GetAuthenticationSeqNumber(const std::vector<u8>& body);
+
+/// Generates an 802.11 association response frame with the specified status, association id and
+/// network id, starting at the frame body.
+std::vector<u8> GenerateAssocResponseFrame(AssocStatus status, u16 association_id, u32 network_id);
+
+/// Returns a tuple of (association status, association id) from the body of an AssociationResponse
+/// frame.
+std::tuple<AssocStatus, u16> GetAssociationResult(const std::vector<u8>& body);
+
+} // namespace NWM
+} // namespace Service