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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 */
/** */
/** System Management (System) */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* COMPONENT DEFINITION RELEASE */
/* */
/* nx_system.h PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Yuxin Zhou, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This file defines the NetX system management component, */
/* including all data types and external references. It is assumed */
/* that nx_api.h and nx_port.h have already been included. */
/* */
/**************************************************************************/
#ifndef NX_SYS_H
#define NX_SYS_H
/* Define system management function prototypes. */
VOID _nx_system_initialize(VOID);
/* Define error checking shells for API services. These are only referenced by the
application. */
/* System management component data declarations follow. */
/* Determine if the initialization function of this component is including
this file. If so, make the data definitions really happen. Otherwise,
make them extern so other functions in the component can access them. */
/*lint -e767 suppress different definitions. */
#ifdef NX_SYSTEM_INIT
#define SYSTEM_DECLARE
#else
#define SYSTEM_DECLARE extern
#endif
/*lint +e767 enable checking for different definitions. */
/* Define the global NetX build options variables. These variables contain a bit
map representing how the NetX library was built. The following are the bit
field definitions:
_nx_system_build_options_1:
Bit(s) Meaning
31 NX_LITTLE_ENDIAN
30 NX_DISABLE_ARP_AUTO_ENTRY
29 NX_ENABLE_TCP_KEEPALIVE
28 NX_TCP_IMMEDIATE_ACK
27 NX_DRIVER_DEFERRED_PROCESSING
26 NX_DISABLE_FRAGMENTATION
25 NX_DISABLE_IP_RX_CHECKSUM
24 NX_DISABLE_IP_TX_CHECKSUM
23 NX_DISABLE_TCP_RX_CHECKSUM
22 NX_DISABLE_TCP_TX_CHECKSUM
21 NX_DISABLE_RESET_DISCONNECT
20 NX_DISABLE_RX_SIZE_CHECKING
19 NX_DISABLE_ARP_INFO
18 NX_DISABLE_IP_INFO
17 NX_DISABLE_ICMP_INFO
16 NX_DISABLE_IGMP_INFO
15 NX_DISABLE_PACKET_INFO
14 NX_DISABLE_RARP_INFO
13 NX_DISABLE_TCP_INFO
12 NX_DISABLE_UDP_INFO
3-0 NX_TCP_RETRY_SHIFT
_nx_system_build_options_2:
Bit(s) Meaning
31-16 NX_IP_PERIODIC_RATE
15-8 NX_ARP_EXPIRATION_RATE
7-0 NX_ARP_UPDATE_RATE
_nx_system_build_options_3:
Bit(s) Meaning
31-24 NX_TCP_ACK_TIMER_RATE
23-16 NX_TCP_FAST_TIMER_RATE
15-8 NX_TCP_TRANSMIT_TIMER_RATE
7-0 NX_TCP_KEEPALIVE_RETRY
_nx_system_build_options_4:
Bit(s) Meaning
31-16 NX_TCP_KEEPALIVE_INITIAL
15-8 NX_ARP_MAXIMUM_RETRIES
7-4 NX_ARP_MAX_QUEUE_DEPTH
3-0 NX_TCP_KEEPALIVE_RETRIES
_nx_system_build_options_5:
Bit(s) Meaning
31-24 NX_MAX_MULTICAST_GROUPS
23-16 NX_MAX_LISTEN_REQUESTS
15-8 NX_TCP_MAXIMUM_RETRIES
7-0 NX_TCP_MAXIMUM_TX_QUEUE
Note that values greater than the value that can be represented in the build options
bit field are represented as all ones in the bit field. For example, if NX_TCP_ACK_TIMER_RATE
is 256, the value in the bits 31-24 of _nx_system_build_options_3 is 0xFF, which is 255
decimal. */
SYSTEM_DECLARE ULONG _nx_system_build_options_1;
SYSTEM_DECLARE ULONG _nx_system_build_options_2;
SYSTEM_DECLARE ULONG _nx_system_build_options_3;
SYSTEM_DECLARE ULONG _nx_system_build_options_4;
SYSTEM_DECLARE ULONG _nx_system_build_options_5;
#endif
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