1
0
mirror of https://github.com/RIOT-OS/RIOT.git synced 2024-12-29 04:50:03 +01:00
RIOT/sys/include/net/gnrc/tcp/fsm.h
2017-01-22 09:27:58 +01:00

69 lines
2.0 KiB
C

/*
* Copyright (C) 2015 Simon Brummer
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @defgroup net_gnrc_tcp TCP
* @ingroup net_gnrc
* @brief RIOT's tcp implementation for the gnrc stack
*
* @{
*
* @file
* @brief Definies states and events for TCP finite state maschine
*
* @author Simon Brummer <brummer.simon@googlemail.com>
*/
#ifndef GNRC_TCP_FSM_H_
#define GNRC_TCP_FSM_H_
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief The TCP FSM States.
*/
typedef enum {
GNRC_TCP_FSM_STATE_CLOSED,
GNRC_TCP_FSM_STATE_LISTEN,
GNRC_TCP_FSM_STATE_SYN_SENT,
GNRC_TCP_FSM_STATE_SYN_RCVD,
GNRC_TCP_FSM_STATE_ESTABLISHED,
GNRC_TCP_FSM_STATE_CLOSE_WAIT,
GNRC_TCP_FSM_STATE_LAST_ACK,
GNRC_TCP_FSM_STATE_FIN_WAIT_1,
GNRC_TCP_FSM_STATE_FIN_WAIT_2,
GNRC_TCP_FSM_STATE_CLOSING,
GNRC_TCP_FSM_STATE_TIME_WAIT
} gnrc_tcp_fsm_state_t;
/**
* @brief Events that trigger translations in TCP FSM.
*/
typedef enum {
GNRC_TCP_FSM_EVENT_CALL_OPEN, /* User function call: open */
GNRC_TCP_FSM_EVENT_CALL_SEND, /* User function call: send */
GNRC_TCP_FSM_EVENT_CALL_RECV, /* User function call: recv */
GNRC_TCP_FSM_EVENT_CALL_CLOSE, /* User function call: close */
GNRC_TCP_FSM_EVENT_CALL_ABORT, /* User function call: abort */
GNRC_TCP_FSM_EVENT_RCVD_PKT, /* Paket received from peer */
GNRC_TCP_FSM_EVENT_TIMEOUT_TIMEWAIT, /* Timeout: Timewait */
GNRC_TCP_FSM_EVENT_TIMEOUT_RETRANSMIT, /* Timeout: Retransmit */
GNRC_TCP_FSM_EVENT_TIMEOUT_CONNECTION, /* Timeout: Connection */
GNRC_TCP_FSM_EVENT_SEND_PROBE, /* Send a Zero Window Probe */
GNRC_TCP_FSM_EVENT_CLEAR_RETRANSMIT /* Clear Retransmission Mechanism */
} gnrc_tcp_fsm_event_t;
#ifdef __cplusplus
}
#endif
#endif /* GNRC_TCP_FSM_H_ */
/** @} */