1 /* 2 * Copyright (c) 2018, Sam Kumar <samkumar@cs.berkeley.edu> 3 * Copyright (c) 2018, University of California, Berkeley 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the copyright holder nor the 14 * names of its contributors may be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 /** 31 * @file 32 * This file defines the interface between TCPlp and the host network stack 33 * (OpenThread, in this case). It is based on content taken from TCPlp, 34 * modified to work with this port of TCPlp to OpenThread. 35 */ 36 37 #ifndef TCPLP_H_ 38 #define TCPLP_H_ 39 40 #ifdef __cplusplus 41 extern "C" { 42 #endif 43 44 #include <errno.h> 45 #include <openthread/ip6.h> 46 #include <openthread/message.h> 47 #include "bsdtcp/ip6.h" 48 #include "bsdtcp/tcp.h" 49 #include "bsdtcp/tcp_fsm.h" 50 #include "bsdtcp/tcp_timer.h" 51 #include "bsdtcp/tcp_var.h" 52 53 #define RELOOKUP_REQUIRED -1 54 #define CONN_LOST_NORMAL 0 55 56 struct tcplp_signals 57 { 58 struct tcpcb* accepted_connection; 59 uint32_t links_popped; 60 uint32_t bytes_acked; 61 bool conn_established; 62 bool recvbuf_added; 63 bool rcvd_fin; 64 }; 65 66 /* 67 * Functions that the TCP protocol logic can call to interact with the rest of 68 * the system. 69 */ 70 otMessage * tcplp_sys_new_message(otInstance *aInstance); 71 void tcplp_sys_free_message(otInstance *aInstance, otMessage *aMessage); 72 void tcplp_sys_send_message(otInstance *aInstance, otMessage *aMessage, otMessageInfo *aMessageInfo); 73 uint32_t tcplp_sys_get_ticks(); 74 uint32_t tcplp_sys_get_millis(); 75 void tcplp_sys_set_timer(struct tcpcb *aTcb, uint8_t aTimerFlag, uint32_t aDelay); 76 void tcplp_sys_stop_timer(struct tcpcb *aTcb, uint8_t aTimerFlag); 77 struct tcpcb *tcplp_sys_accept_ready(struct tcpcb_listen *aTcbListen, struct in6_addr *aAddr, uint16_t aPort); 78 bool tcplp_sys_accepted_connection(struct tcpcb_listen *aTcbListen, 79 struct tcpcb * aAccepted, 80 struct in6_addr * aAddr, 81 uint16_t aPort); 82 void tcplp_sys_connection_lost(struct tcpcb *aTcb, uint8_t aErrNum); 83 void tcplp_sys_on_state_change(struct tcpcb *aTcb, int aNewState); 84 void tcplp_sys_log(const char *aFormat, ...); 85 void tcplp_sys_panic(const char *aFormat, ...); 86 bool tcplp_sys_autobind(otInstance * aInstance, 87 const otSockAddr *aPeer, 88 otSockAddr * aToBind, 89 bool aBindAddress, 90 bool aBindPort); 91 uint32_t tcplp_sys_generate_isn(); 92 93 #ifdef __cplusplus 94 } // extern "C" 95 #endif 96 97 #endif // TCPLP_H_ 98
