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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_ip.h"
#include "nx_tcp.h"
/* Bring in externs for caller checking code. */
NX_CALLER_CHECKING_EXTERNS
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nxe_tcp_info_get PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* Yuxin Zhou, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function checks for errors in the TCP information get */
/* function call. */
/* */
/* INPUT */
/* */
/* ip_ptr Pointer to the IP instance */
/* tcp_packets_sent Destination for number of */
/* packets sent */
/* tcp_bytes_sent Destination for number of */
/* bytes sent */
/* tcp_packets_received Destination for number of */
/* packets received */
/* tcp_bytes_received Destination for number of */
/* bytes received */
/* tcp_invalid_packets Destination for number of */
/* invalid packets */
/* tcp_receive_packets_dropped Destination for number of */
/* receive packets dropped */
/* tcp_checksum_errors Destination for number of */
/* checksum errors */
/* tcp_connections Destination for number of */
/* connections */
/* tcp_disconnections Destination for number of */
/* disconnections */
/* tcp_connections_dropped Destination for number of */
/* connections dropped */
/* tcp_retransmit_packets Destination for number of */
/* retransmit packets */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* _nx_tcp_info_get Actual TCP information get */
/* function */
/* */
/* 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_info_get(NX_IP *ip_ptr, ULONG *tcp_packets_sent, ULONG *tcp_bytes_sent,
ULONG *tcp_packets_received, ULONG *tcp_bytes_received,
ULONG *tcp_invalid_packets, ULONG *tcp_receive_packets_dropped,
ULONG *tcp_checksum_errors, ULONG *tcp_connections,
ULONG *tcp_disconnections, ULONG *tcp_connections_dropped,
ULONG *tcp_retransmit_packets)
{
UINT status;
/* Check for invalid input pointers. */
if ((ip_ptr == NX_NULL) || (ip_ptr -> nx_ip_id != NX_IP_ID))
{
return(NX_PTR_ERROR);
}
/* Check to see if TCP is enabled. */
if (!ip_ptr -> nx_ip_tcp_packet_receive)
{
return(NX_NOT_ENABLED);
}
/* Check for appropriate caller. */
NX_INIT_AND_THREADS_CALLER_CHECKING
/* Call actual TCP information get function. */
status = _nx_tcp_info_get(ip_ptr, tcp_packets_sent, tcp_bytes_sent, tcp_packets_received,
tcp_bytes_received, tcp_invalid_packets, tcp_receive_packets_dropped,
tcp_checksum_errors, tcp_connections, tcp_disconnections,
tcp_connections_dropped, tcp_retransmit_packets);
/* Return completion status. */
return(status);
}