| /** |
| * @file |
| * Base TCP API definitions shared by TCP and ALTCP\n |
| * See also @ref tcp_raw |
| */ |
| |
| /* |
| * Copyright (c) 2001-2004 Swedish Institute of Computer Science. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without modification, |
| * are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT |
| * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT |
| * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
| * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY |
| * OF SUCH DAMAGE. |
| * |
| * This file is part of the lwIP TCP/IP stack. |
| * |
| * Author: Adam Dunkels <adam@sics.se> |
| * |
| */ |
| #ifndef LWIP_HDR_TCPBASE_H |
| #define LWIP_HDR_TCPBASE_H |
| |
| #include "lwip/opt.h" |
| |
| #if LWIP_TCP /* don't build if not configured for use in lwipopts.h */ |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| |
| #if LWIP_WND_SCALE |
| typedef u32_t tcpwnd_size_t; |
| #else |
| typedef u16_t tcpwnd_size_t; |
| #endif |
| |
| enum tcp_state { |
| CLOSED = 0, |
| LISTEN = 1, |
| SYN_SENT = 2, |
| SYN_RCVD = 3, |
| ESTABLISHED = 4, |
| FIN_WAIT_1 = 5, |
| FIN_WAIT_2 = 6, |
| CLOSE_WAIT = 7, |
| CLOSING = 8, |
| LAST_ACK = 9, |
| TIME_WAIT = 10 |
| }; |
| /* ATTENTION: this depends on state number ordering! */ |
| #define TCP_STATE_IS_CLOSING(state) ((state) >= FIN_WAIT_1) |
| |
| /* Flags for "apiflags" parameter in tcp_write */ |
| #define TCP_WRITE_FLAG_COPY 0x01 |
| #define TCP_WRITE_FLAG_MORE 0x02 |
| |
| #define TCP_PRIO_MIN 1 |
| #define TCP_PRIO_NORMAL 64 |
| #define TCP_PRIO_MAX 127 |
| |
| const char* tcp_debug_state_str(enum tcp_state s); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* LWIP_TCP */ |
| |
| #endif /* LWIP_HDR_TCPBASE_H */ |