1*10465441SEvalZero /** 2*10465441SEvalZero * @file 3*10465441SEvalZero * Base TCP API definitions shared by TCP and ALTCP\n 4*10465441SEvalZero * See also @ref tcp_raw 5*10465441SEvalZero */ 6*10465441SEvalZero 7*10465441SEvalZero /* 8*10465441SEvalZero * Copyright (c) 2001-2004 Swedish Institute of Computer Science. 9*10465441SEvalZero * All rights reserved. 10*10465441SEvalZero * 11*10465441SEvalZero * Redistribution and use in source and binary forms, with or without modification, 12*10465441SEvalZero * are permitted provided that the following conditions are met: 13*10465441SEvalZero * 14*10465441SEvalZero * 1. Redistributions of source code must retain the above copyright notice, 15*10465441SEvalZero * this list of conditions and the following disclaimer. 16*10465441SEvalZero * 2. Redistributions in binary form must reproduce the above copyright notice, 17*10465441SEvalZero * this list of conditions and the following disclaimer in the documentation 18*10465441SEvalZero * and/or other materials provided with the distribution. 19*10465441SEvalZero * 3. The name of the author may not be used to endorse or promote products 20*10465441SEvalZero * derived from this software without specific prior written permission. 21*10465441SEvalZero * 22*10465441SEvalZero * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 23*10465441SEvalZero * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 24*10465441SEvalZero * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 25*10465441SEvalZero * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 26*10465441SEvalZero * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 27*10465441SEvalZero * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28*10465441SEvalZero * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29*10465441SEvalZero * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 30*10465441SEvalZero * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 31*10465441SEvalZero * OF SUCH DAMAGE. 32*10465441SEvalZero * 33*10465441SEvalZero * This file is part of the lwIP TCP/IP stack. 34*10465441SEvalZero * 35*10465441SEvalZero * Author: Adam Dunkels <[email protected]> 36*10465441SEvalZero * 37*10465441SEvalZero */ 38*10465441SEvalZero #ifndef LWIP_HDR_TCPBASE_H 39*10465441SEvalZero #define LWIP_HDR_TCPBASE_H 40*10465441SEvalZero 41*10465441SEvalZero #include "lwip/opt.h" 42*10465441SEvalZero 43*10465441SEvalZero #if LWIP_TCP /* don't build if not configured for use in lwipopts.h */ 44*10465441SEvalZero 45*10465441SEvalZero #ifdef __cplusplus 46*10465441SEvalZero extern "C" { 47*10465441SEvalZero #endif 48*10465441SEvalZero 49*10465441SEvalZero 50*10465441SEvalZero #if LWIP_WND_SCALE 51*10465441SEvalZero typedef u32_t tcpwnd_size_t; 52*10465441SEvalZero #else 53*10465441SEvalZero typedef u16_t tcpwnd_size_t; 54*10465441SEvalZero #endif 55*10465441SEvalZero 56*10465441SEvalZero enum tcp_state { 57*10465441SEvalZero CLOSED = 0, 58*10465441SEvalZero LISTEN = 1, 59*10465441SEvalZero SYN_SENT = 2, 60*10465441SEvalZero SYN_RCVD = 3, 61*10465441SEvalZero ESTABLISHED = 4, 62*10465441SEvalZero FIN_WAIT_1 = 5, 63*10465441SEvalZero FIN_WAIT_2 = 6, 64*10465441SEvalZero CLOSE_WAIT = 7, 65*10465441SEvalZero CLOSING = 8, 66*10465441SEvalZero LAST_ACK = 9, 67*10465441SEvalZero TIME_WAIT = 10 68*10465441SEvalZero }; 69*10465441SEvalZero /* ATTENTION: this depends on state number ordering! */ 70*10465441SEvalZero #define TCP_STATE_IS_CLOSING(state) ((state) >= FIN_WAIT_1) 71*10465441SEvalZero 72*10465441SEvalZero /* Flags for "apiflags" parameter in tcp_write */ 73*10465441SEvalZero #define TCP_WRITE_FLAG_COPY 0x01 74*10465441SEvalZero #define TCP_WRITE_FLAG_MORE 0x02 75*10465441SEvalZero 76*10465441SEvalZero #define TCP_PRIO_MIN 1 77*10465441SEvalZero #define TCP_PRIO_NORMAL 64 78*10465441SEvalZero #define TCP_PRIO_MAX 127 79*10465441SEvalZero 80*10465441SEvalZero const char* tcp_debug_state_str(enum tcp_state s); 81*10465441SEvalZero 82*10465441SEvalZero #ifdef __cplusplus 83*10465441SEvalZero } 84*10465441SEvalZero #endif 85*10465441SEvalZero 86*10465441SEvalZero #endif /* LWIP_TCP */ 87*10465441SEvalZero 88*10465441SEvalZero #endif /* LWIP_HDR_TCPBASE_H */ 89