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

This site uses cookies to store information on your computer. By continuing to use our site, you consent to our cookies. If you are not happy with the use of these cookies, please review our Cookie Policy to learn how they can be disabled. By disabling cookies, some features of the site will not work.