82 lines
3.0 KiB
C
Executable File
82 lines
3.0 KiB
C
Executable File
/*
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* Copyright (c) 2013-2019, Huawei Technologies Co., Ltd. All rights reserved.
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* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef LWIP_HDR_DHCPS_H
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#define LWIP_HDR_DHCPS_H
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#include "lwip/opt.h"
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#include "lwip/prot/dhcp.h"
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#if LWIP_DHCPS /* don't build if not configured for use in lwipopts.h */
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#include "lwip/netif.h"
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#include "lwip/udp.h"
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#if defined (__cplusplus) && __cplusplus
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extern "C" {
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#endif
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#ifndef LWIP_DHCPS_MAX_LEASE
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#define LWIP_DHCPS_MAX_LEASE 30
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#endif
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#ifndef LWIP_DHCPS_LEASE_TIME
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#define LWIP_DHCPS_LEASE_TIME ~0
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#endif
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/* Offer time in seconds */
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#ifndef LWIP_DHCPS_OFFER_TIME
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#define LWIP_DHCPS_OFFER_TIME 300
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#endif
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#ifndef LWIP_DHCPS_DECLINE_TIME
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#define LWIP_DHCPS_DECLINE_TIME 500
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#endif
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err_t dhcps_start(struct netif *netif, const char *start_ip, u16_t ip_num);
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void dhcps_stop(struct netif *netif);
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void dhcp_common_option(struct dhcp_msg *msg_out, u8_t option_type, u8_t option_len, u16_t *options_out_len);
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void dhcp_common_option_byte(struct dhcp_msg *msg_out, u8_t value, u16_t *options_out_len);
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void dhcp_common_option_short(struct dhcp_msg *msg_out, u16_t value, u16_t *options_out_len);
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void dhcp_common_option_long(struct dhcp_msg *msg_out, u32_t value, u16_t *options_out_len);
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void dhcp_common_option_trailer(struct dhcp_msg *msg_out, u16_t *options_out_len);
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#if LWIP_DHCP_BOOTP_FILE
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err_t dhcps_parse_options(struct pbuf *p, char *boot_file_name);
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#else
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err_t dhcps_parse_options(struct pbuf *p);
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#endif
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#if defined (__cplusplus) && __cplusplus
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}
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#endif
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#endif /* LWIP_DHCPS */
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#endif /* LWIP_HDR_DHCPS_H */
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