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Diffstat (limited to 'lwip/src/include/lwip/tcpbase.h')
-rw-r--r-- | lwip/src/include/lwip/tcpbase.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/lwip/src/include/lwip/tcpbase.h b/lwip/src/include/lwip/tcpbase.h new file mode 100644 index 0000000..0023074 --- /dev/null +++ b/lwip/src/include/lwip/tcpbase.h @@ -0,0 +1,88 @@ +/** + * @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 */ |