Merge commit '86cc97e55fe346502462284d2e636a2b3708163e' as 'Sources/OpenVPN3'

Sources/OpenVPN3/openvpn/ip/ip6.hpp

@@ -0,0 +1,50 @@
+//    OpenVPN -- An application to securely tunnel IP networks
+//               over a single port, with support for SSL/TLS-based
+//               session authentication and key exchange,
+//               packet encryption, packet authentication, and
+//               packet compression.
+//
+//    Copyright (C) 2012-2017 OpenVPN Inc.
+//
+//    This program is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU Affero General Public License Version 3
+//    as published by the Free Software Foundation.
+//
+//    This program is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Affero General Public License for more details.
+//
+//    You should have received a copy of the GNU Affero General Public License
+//    along with this program in the COPYING file.
+//    If not, see <http://www.gnu.org/licenses/>.
+
+// IPv6 header
+
+#pragma once
+
+#include <cstdint> // for std::uint32_t, uint16_t, uint8_t
+
+#include <openvpn/common/socktypes.hpp>
+
+#pragma pack(push)
+#pragma pack(1)
+
+namespace openvpn {
+
+  struct IPv6Header
+  {
+    std::uint8_t    version_prio;
+
+    std::uint8_t    flow_lbl[3];
+
+    std::uint16_t   payload_len;
+    std::uint8_t    nexthdr;
+    std::uint8_t    hop_limit;
+
+    struct in6_addr saddr;
+    struct in6_addr daddr;
+  };
+}
+
+#pragma pack(pop)