common/src/nx_tcp_socket_send.c


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/***************************************************************************
 * Copyright (c) 2024 Microsoft Corporation
 * Copyright (c) 2025-present Eclipse ThreadX Contributors
 *
 * This program and the accompanying materials are made available under the
 * terms of the MIT License which is available at
 * https://opensource.org/licenses/MIT.
 *
 * SPDX-License-Identifier: MIT
 **************************************************************************/


/**************************************************************************/
/**************************************************************************/
/**                                                                       */
/** NetX Component                                                        */
/**                                                                       */
/**   Transmission Control Protocol (TCP)                                 */
/**                                                                       */
/**************************************************************************/
/**************************************************************************/

#define NX_SOURCE_CODE


/* Include necessary system files.  */

#include "nx_api.h"
#include "nx_ip.h"
#ifdef FEATURE_NX_IPV6
#include "nx_ipv6.h"
#endif /* FEATURE_NX_IPV6 */
#include "nx_packet.h"
#include "nx_tcp.h"


/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _nx_tcp_socket_send                                 PORTABLE C      */
/*                                                           6.4.3        */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Yuxin Zhou, Microsoft Corporation                                   */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function sends a TCP packet through the specified socket.      */
/*      If payload size exceeds MSS, this service fragments the payload   */
/*      to fit into MSS.                                                  */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    socket_ptr                            Pointer to socket             */
/*    packet_ptr                            Pointer to packet to send     */
/*    wait_option                           Suspension option             */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    NX_INVALID_PARAMETERS                 Unknown packet IP version     */
/*    NX_INVALID_PACKET                     Source packet chain missing   */
/*                                               packet data              */
/*    status                                Actual completion status      */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    _nx_tcp_socket_send_internal          Transmit TCP payload          */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    Application                                                         */
/*                                                                        */
/*                                                                        */
/**************************************************************************/
UINT  _nx_tcp_socket_send(NX_TCP_SOCKET *socket_ptr, NX_PACKET *packet_ptr, ULONG wait_option)
{

    return(_nx_tcp_socket_send_internal(socket_ptr, packet_ptr, wait_option));
}