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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_tcp.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nx_tcp_socket_transmit_configure PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Yuxin Zhou, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function sets up various parameters associated with the */
/* socket's transmit operation. */
/* */
/* 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 */
/* */
/* tx_mutex_get Obtain a protection mutex */
/* tx_mutex_put Release a protection mutex */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/**************************************************************************/
UINT _nx_tcp_socket_transmit_configure(NX_TCP_SOCKET *socket_ptr, ULONG max_queue_depth,
ULONG timeout, ULONG max_retries, ULONG timeout_shift)
{
NX_IP *ip_ptr;
/* Pickup the associated IP structure. */
ip_ptr = socket_ptr -> nx_tcp_socket_ip_ptr;
/* If trace is enabled, insert this event into the trace buffer. */
NX_TRACE_IN_LINE_INSERT(NX_TRACE_TCP_SOCKET_TRANSMIT_CONFIGURE, ip_ptr, socket_ptr, max_queue_depth, timeout, NX_TRACE_TCP_EVENTS, 0, 0);
/* Obtain the IP mutex so we can initiate accept processing for this socket. */
tx_mutex_get(&(ip_ptr -> nx_ip_protection), TX_WAIT_FOREVER);
/* Setup the socket with the new transmit parameters. */
socket_ptr -> nx_tcp_socket_timeout_rate = timeout;
socket_ptr -> nx_tcp_socket_timeout_max_retries = max_retries;
socket_ptr -> nx_tcp_socket_timeout_shift = (UCHAR)timeout_shift;
socket_ptr -> nx_tcp_socket_transmit_queue_maximum_default = max_queue_depth;
socket_ptr -> nx_tcp_socket_transmit_queue_maximum = max_queue_depth;
/* Release the IP protection. */
tx_mutex_put(&(ip_ptr -> nx_ip_protection));
/* Return completion status. */
return(NX_SUCCESS);
}
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