kernel_liteos_a1/net/lwip-2.1/enhancement/include/lwip/dhcps.h

72 lines
2.4 KiB
C

/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef LWIP_HDR_DHCPS_H
#define LWIP_HDR_DHCPS_H
#include "lwip/opt.h"
#include "lwip/prot/dhcp.h"
#if LWIP_DHCPS /* don't build if not configured for use in lwipopts.h */
#include "lwip/netif.h"
#include "lwip/udp.h"
#if defined (__cplusplus) && __cplusplus
extern "C" {
#endif
#ifndef LWIP_DHCPS_MAX_LEASE
#define LWIP_DHCPS_MAX_LEASE 30
#endif
#ifndef LWIP_DHCPS_LEASE_TIME
#define LWIP_DHCPS_LEASE_TIME ~0
#endif
/* Offer time in seconds */
#ifndef LWIP_DHCPS_OFFER_TIME
#define LWIP_DHCPS_OFFER_TIME 300
#endif
#ifndef LWIP_DHCPS_DECLINE_TIME
#define LWIP_DHCPS_DECLINE_TIME 500
#endif
err_t dhcps_start(struct netif *netif, const char *start_ip, u16_t ip_num);
void dhcps_stop(struct netif *netif);
#if defined (__cplusplus) && __cplusplus
}
#endif
#endif /* LWIP_DHCPS */
#endif /* LWIP_HDR_DHCPS_H */