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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** NetX Component */
/** */
/** Transmission Control Protocol (TCP) */
/** */
/**************************************************************************/
/**************************************************************************/
#define NX_SOURCE_CODE
/* Include necessary system files. */
#include "nx_api.h"
#include "nx_tcp.h"
/* Bring in externs for caller checking code. */
NX_CALLER_CHECKING_EXTERNS
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nxe_tcp_socket_transmit_configure PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* Yuxin Zhou, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function checks for errors in the TCP socket transmit */
/* configure function call. */
/* */
/* INPUT */
/* */
/* socket_ptr Pointer to TCP socket */
/* max_queue_depth Maximum number of transmit */
/* packets that can be queued */
/* for the socket */
/* timeout Number of timer ticks for the */
/* initial transmit timeout */
/* max_retries Maximum number of retries */
/* timeout_shift Factor to be applied to */
/* subsequent timeouts, a */
/* value of 0 causes identical */
/* subsequent timeouts */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* _nx_tcp_socket_transmit_configure Actual transmit configure */
/* service */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 05-19-2020 Yuxin Zhou Initial Version 6.0 */
/* 09-30-2020 Yuxin Zhou Modified comment(s), */
/* resulting in version 6.1 */
/* */
/**************************************************************************/
UINT _nxe_tcp_socket_transmit_configure(NX_TCP_SOCKET *socket_ptr, ULONG max_queue_depth,
ULONG timeout, ULONG max_retries, ULONG timeout_shift)
{
UINT status;
/* Check for invalid input pointer. */
if ((socket_ptr == NX_NULL) || (socket_ptr -> nx_tcp_socket_id != NX_TCP_ID))
{
return(NX_PTR_ERROR);
}
/* Check for valid options. */
if (!max_queue_depth)
{
return(NX_OPTION_ERROR);
}
/* Check to see if TCP is enabled. */
if (!(socket_ptr -> nx_tcp_socket_ip_ptr) -> nx_ip_tcp_packet_receive)
{
return(NX_NOT_ENABLED);
}
/* Check for appropriate caller. */
NX_INIT_AND_THREADS_CALLER_CHECKING
/* Call actual socket transmit configure service. */
status = _nx_tcp_socket_transmit_configure(socket_ptr, max_queue_depth,
timeout, max_retries, timeout_shift);
/* Return completion status. */
return(status);
}