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88 lines
2.9 KiB
C
88 lines
2.9 KiB
C
/*
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* FreeRTOS+TCP V2.0.3
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* Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* http://aws.amazon.com/freertos
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* http://www.FreeRTOS.org
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*/
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#ifndef FREERTOS_DHCP_H
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#define FREERTOS_DHCP_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Application level configuration options. */
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#include "FreeRTOSIPConfig.h"
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#include "IPTraceMacroDefaults.h"
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/* Used in the DHCP callback if ipconfigUSE_DHCP_HOOK is set to 1. */
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typedef enum eDHCP_PHASE
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{
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eDHCPPhasePreDiscover, /* Driver is about to send a DHCP discovery. */
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eDHCPPhasePreRequest, /* Driver is about to request DHCP an IP address. */
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#if( ipconfigDHCP_SEND_DISCOVER_AFTER_AUTO_IP != 0 )
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eDHCPPhasePreLLA, /* Driver is about to try get an LLA address */
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#endif /* ipconfigDHCP_SEND_DISCOVER_AFTER_AUTO_IP */
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} eDHCPCallbackPhase_t;
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/* Used in the DHCP callback if ipconfigUSE_DHCP_HOOK is set to 1. */
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typedef enum eDHCP_ANSWERS
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{
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eDHCPContinue, /* Continue the DHCP process */
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eDHCPUseDefaults, /* Stop DHCP and use the static defaults. */
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eDHCPStopNoChanges, /* Stop DHCP and continue with current settings. */
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} eDHCPCallbackAnswer_t;
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/*
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* NOT A PUBLIC API FUNCTION.
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*/
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void vDHCPProcess( BaseType_t xReset );
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/* Internal call: returns true if socket is the current DHCP socket */
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BaseType_t xIsDHCPSocket( Socket_t xSocket );
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/* Prototype of the hook (or callback) function that must be provided by the
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application if ipconfigUSE_DHCP_HOOK is set to 1. See the following URL for
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usage information:
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http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/TCP_IP_Configuration.html#ipconfigUSE_DHCP_HOOK
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*/
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eDHCPCallbackAnswer_t xApplicationDHCPHook( eDHCPCallbackPhase_t eDHCPPhase, uint32_t ulIPAddress );
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* FREERTOS_DHCP_H */
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