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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"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nx_tcp_info_get PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* Yuxin Zhou, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function retrieves TCP information for the specified IP */
/* instance. */
/* */
/* 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 */
/* */
/* tx_mutex_get Obtain protection */
/* tx_mutex_put Release protection */
/* */
/* 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 _nx_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)
{
/* Obtain the IP mutex so we can examine the bound port. */
tx_mutex_get(&(ip_ptr -> nx_ip_protection), TX_WAIT_FOREVER);
/* Determine if packets sent is wanted. */
if (tcp_packets_sent)
{
/* Return the number of packets sent by this IP instance. */
*tcp_packets_sent = ip_ptr -> nx_ip_tcp_packets_sent;
}
/* Determine if bytes sent is wanted. */
if (tcp_bytes_sent)
{
/* Return the number of bytes sent by this IP instance. */
*tcp_bytes_sent = ip_ptr -> nx_ip_tcp_bytes_sent;
}
/* Determine if packets received is wanted. */
if (tcp_packets_received)
{
/* Return the number of packets received by this IP instance. */
*tcp_packets_received = ip_ptr -> nx_ip_tcp_packets_received;
}
/* Determine if bytes received is wanted. */
if (tcp_bytes_received)
{
/* Return the number of bytes received by this IP instance. */
*tcp_bytes_received = ip_ptr -> nx_ip_tcp_bytes_received;
}
/* Determine if invalid packets is wanted. */
if (tcp_invalid_packets)
{
/* Return the number of invalid packets by this IP instance. */
*tcp_invalid_packets = ip_ptr -> nx_ip_tcp_invalid_packets;
}
/* Determine if receive packets dropped is wanted. */
if (tcp_receive_packets_dropped)
{
/* Return the number of receive packets dropped by this IP instance. */
*tcp_receive_packets_dropped = ip_ptr -> nx_ip_tcp_receive_packets_dropped;
}
/* Determine if checksum errors is wanted. */
if (tcp_checksum_errors)
{
/* Return the number of checksum errors by this IP instance. */
*tcp_checksum_errors = ip_ptr -> nx_ip_tcp_checksum_errors;
}
/* Determine if connections is wanted. */
if (tcp_connections)
{
/* Return the number of connections by this IP instance. */
*tcp_connections = ip_ptr -> nx_ip_tcp_connections;
}
/* Determine if disconnections is wanted. */
if (tcp_disconnections)
{
/* Return the number of disconnections by this IP instance. */
*tcp_disconnections = ip_ptr -> nx_ip_tcp_disconnections;
}
/* Determine if connections dropped is wanted. */
if (tcp_connections_dropped)
{
/* Return the number of connections dropped by this IP instance. */
*tcp_connections_dropped = ip_ptr -> nx_ip_tcp_connections_dropped;
}
/* Determine if retransmit packets is wanted. */
if (tcp_retransmit_packets)
{
/* Return the number of retransmit packets by this IP instance. */
*tcp_retransmit_packets = ip_ptr -> nx_ip_tcp_retransmit_packets;
}
/* Release protection. */
tx_mutex_put(&(ip_ptr -> nx_ip_protection));
/* Return successful completion status. */
return(NX_SUCCESS);
}