htc: implement socket driver (socket api not really impl'd yet)

libraries/libstratosphere/source/htclow/driver/htclow_socket_discovery_util.hpp

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+#include <stratosphere.hpp>
+
+namespace ams::htclow::driver {
+
+    constexpr inline u8 TmipcVersion = 5;
+
+    struct TmipcHeader {
+        u32 service_id;
+        u32 reserved_00;
+        u16 reserved_01;
+        u8  reserved_02;
+        u8  version;
+        u32 data_len;
+        u32 reserved[4];
+    };
+    static_assert(util::is_pod<TmipcHeader>::value);
+    static_assert(sizeof(TmipcHeader) == 0x20);
+
+    s32 MakeAutoConnectIpv4RequestPacket(char *dst, size_t dst_size, const socket::SockAddrIn &sockaddr);
+    s32 MakeBeaconResponsePacket(char *dst, size_t dst_size);
+
+}