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105 lines
3.3 KiB
105 lines
3.3 KiB
/* |
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* ZeroTier SDK - Network Virtualization Everywhere |
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* Copyright (C) 2011-2018 ZeroTier, Inc. https://www.zerotier.com/ |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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* -- |
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* |
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* You can be released from the requirements of the license by purchasing |
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* a commercial license. Buying such a license is mandatory as soon as you |
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* develop commercial closed-source software that incorporates or links |
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* directly against ZeroTier software without disclosing the source code |
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* of your own application. |
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*/ |
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/** |
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* @file |
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* |
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* lwIP network stack driver |
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*/ |
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#ifndef ZT_LWIP_HPP |
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#define ZT_LWIP_HPP |
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#include "libztDefs.h" |
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#include "lwip/err.h" |
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namespace ZeroTier { |
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class MAC; |
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class Mutex; |
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struct InetAddress; |
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} |
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/** |
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* @brief Initialize network stack semaphores, threads, and timers. |
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* |
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* @usage This is called during the initial setup of each VirtualTap but is only allowed to execute once |
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* @return |
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*/ |
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void lwip_driver_init(); |
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/** |
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* @brief Initialize and start the DNS client |
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* |
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* @usage Called after lwip_driver_init() |
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* @return |
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*/ |
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void lwip_dns_init(); |
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/** |
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* @brief Starts DHCP timers |
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* |
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* @usage lwip_driver_init() |
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* @return |
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*/ |
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void lwip_start_dhcp(void *netif); |
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/** |
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* @brief Set up an interface in the network stack for the VirtualTap. |
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* |
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* @param |
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* @param tapref Reference to VirtualTap that will be responsible for sending and receiving data |
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* @param mac Virtual hardware address for this ZeroTier VirtualTap interface |
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* @param ip Virtual IP address for this ZeroTier VirtualTap interface |
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* @return |
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*/ |
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void lwip_init_interface(void *tapref, const ZeroTier::MAC &mac, const ZeroTier::InetAddress &ip); |
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/** |
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* @brief Called from the stack, outbound ethernet frames from the network stack enter the ZeroTier virtual wire here. |
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* |
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* @usage This shall only be called from the stack or the stack driver. Not the application thread. |
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* @param netif Transmits an outgoing Ethernet fram from the network stack onto the ZeroTier virtual wire |
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* @param p A pointer to the beginning of a chain pf struct pbufs |
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* @return |
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*/ |
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err_t lwip_eth_tx(struct netif *netif, struct pbuf *p); |
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/** |
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* @brief Receives incoming Ethernet frames from the ZeroTier virtual wire |
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* |
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* @usage This shall be called from the VirtualTap's I/O thread (via VirtualTap::put()) |
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* @param tap Pointer to VirtualTap from which this data comes |
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* @param from Origin address (virtual ZeroTier hardware address) |
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* @param to Intended destination address (virtual ZeroTier hardware address) |
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* @param etherType Protocol type |
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* @param data Pointer to Ethernet frame |
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* @param len Length of Ethernet frame |
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* @return |
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*/ |
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void lwip_eth_rx(VirtualTap *tap, const ZeroTier::MAC &from, const ZeroTier::MAC &to, unsigned int etherType, |
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const void *data, unsigned int len); |
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#endif // _H
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