Introduction of sequential-API build variant, better thread safety (lwIP only)

include/lwIP.hpp

@@ -0,0 +1,73 @@
+/*
+ * ZeroTier SDK - Network Virtualization Everywhere
+ * Copyright (C) 2011-2017  ZeroTier, Inc.  https://www.zerotier.com/
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 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/>.
+ *
+ * --
+ *
+ * You can be released from the requirements of the license by purchasing
+ * a commercial license. Buying such a license is mandatory as soon as you
+ * develop commercial closed-source software that incorporates or links
+ * directly against ZeroTier software without disclosing the source code
+ * of your own application.
+ */
+
+/**
+ * @file
+ *
+ * lwIP network stack driver
+ */
+
+#ifndef ZT_LWIP_HPP
+#define ZT_LWIP_HPP
+
+#include "MAC.hpp"
+#include "InetAddress.hpp"
+#include "Defs.h"
+
+/**
+ * @brief Initialize network stack semaphores, threads, and timers.
+ *
+ * @param 
+ * @return 
+ */
+void lwip_driver_init();
+
+/**
+ * @brief Set up an interface in the network stack for the VirtualTap.
+ *
+ * @param 
+ * @return 
+ */
+void lwip_init_interface(void *tapref, const ZeroTier::MAC &mac, const ZeroTier::InetAddress &ip);
+
+/**
+ * @brief Called from the stack, outbound ethernet frames from the network stack enter the ZeroTier virtual wire here.
+ *
+ * @param 
+ * @return 
+ */
+err_t lwip_eth_tx(struct netif *netif, struct pbuf *p);
+
+/**
+ * @brief Packets from the ZeroTier virtual wire enter the stack here.
+ *
+ * @param 
+ * @return 
+ */
+void lwip_eth_rx(ZeroTier::VirtualTap *tap, const ZeroTier::MAC &from, const ZeroTier::MAC &to, unsigned int etherType, 
+	const void *data, unsigned int len);
+
+#endif