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/*
* FreeRTOS+TCP V2.2.0
* Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* http://aws.amazon.com/freertos
* http://www.FreeRTOS.org
*/
#ifndef FREERTOS_DHCP_H
#define FREERTOS_DHCP_H
#ifdef __cplusplus
extern "C" {
#endif
/* Application level configuration options. */
#include "FreeRTOSIPConfig.h"
#include "IPTraceMacroDefaults.h"
/* Used in the DHCP callback if ipconfigUSE_DHCP_HOOK is set to 1. */
typedef enum eDHCP_PHASE
{
eDHCPPhasePreDiscover, /* Driver is about to send a DHCP discovery. */
eDHCPPhasePreRequest, /* Driver is about to request DHCP an IP address. */
#if( ipconfigDHCP_SEND_DISCOVER_AFTER_AUTO_IP != 0 )
eDHCPPhasePreLLA, /* Driver is about to try get an LLA address */
#endif /* ipconfigDHCP_SEND_DISCOVER_AFTER_AUTO_IP */
} eDHCPCallbackPhase_t;
/* Used in the DHCP callback if ipconfigUSE_DHCP_HOOK is set to 1. */
typedef enum eDHCP_ANSWERS
{
eDHCPContinue, /* Continue the DHCP process */
eDHCPUseDefaults, /* Stop DHCP and use the static defaults. */
eDHCPStopNoChanges, /* Stop DHCP and continue with current settings. */
} eDHCPCallbackAnswer_t;
/*
* NOT A PUBLIC API FUNCTION.
*/
void vDHCPProcess( BaseType_t xReset );
/* Internal call: returns true if socket is the current DHCP socket */
BaseType_t xIsDHCPSocket( Socket_t xSocket );
/* Prototype of the hook (or callback) function that must be provided by the
application if ipconfigUSE_DHCP_HOOK is set to 1. See the following URL for
usage information:
http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/TCP_IP_Configuration.html#ipconfigUSE_DHCP_HOOK
*/
eDHCPCallbackAnswer_t xApplicationDHCPHook( eDHCPCallbackPhase_t eDHCPPhase, uint32_t ulIPAddress );
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* FREERTOS_DHCP_H */
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