103 lines
3.6 KiB
C
Executable File
103 lines
3.6 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 LITEOS_A_DHCPS_FIXME_H
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#define LITEOS_A_DHCPS_FIXME_H
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#include "lwip/opt.h"
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#if (LWIP_DHCP) && (LWIP_DHCPS)
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#define LWIP_STATIC static
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/* Option handling: options are parsed in dhcp_parse_reply
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* and saved in an array where other functions can load them from.
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* This might be moved into the struct dhcp (not necessarily since
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* lwIP is single-threaded and the array is only used while in recv
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* callback). */
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enum dhcp_option_idx {
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DHCP_OPTION_IDX_OVERLOAD = 0,
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DHCP_OPTION_IDX_MSG_TYPE,
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DHCP_OPTION_IDX_SERVER_ID,
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DHCP_OPTION_IDX_LEASE_TIME,
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DHCP_OPTION_IDX_T1,
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DHCP_OPTION_IDX_T2,
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DHCP_OPTION_IDX_SUBNET_MASK,
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DHCP_OPTION_IDX_ROUTER,
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#if LWIP_DHCP_PROVIDE_DNS_SERVERS
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DHCP_OPTION_IDX_DNS_SERVER,
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DHCP_OPTION_IDX_DNS_SERVER_LAST = DHCP_OPTION_IDX_DNS_SERVER + LWIP_DHCP_PROVIDE_DNS_SERVERS - 1,
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#endif /* LWIP_DHCP_PROVIDE_DNS_SERVERS */
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#if LWIP_DHCP_GET_NTP_SRV
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DHCP_OPTION_IDX_NTP_SERVER,
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DHCP_OPTION_IDX_NTP_SERVER_LAST = DHCP_OPTION_IDX_NTP_SERVER + LWIP_DHCP_MAX_NTP_SERVERS - 1,
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#endif /* LWIP_DHCP_GET_NTP_SRV */
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DHCP_OPTION_IDX_REQUESTED_IP,
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DHCP_OPTION_IDX_MAX
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};
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#define DHCP_OPTION_ROUTER_SIZE 4
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#define DHCP_OPTION_SUBNET_MASK_SIZE 4
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#define DHCP_OPTION_LEASE_TIME_SIZE 4
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#define DHCP_OPTION_SERVER_ID_LEN 4
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#define DHCP_OPTION_T1_LEN 4
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#define DHCP_OPTION_T2_LEN 4
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#define DHCP_CLIENT_PORT 68
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#define DHCP_SERVER_PORT 67
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#define DHCP_BROADCAST_FLAG 0x8000
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#define DHCP_MAX_MSG_LEN_MIN_REQUIRED 576
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struct dyn_lease_addr {
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u8_t cli_hwaddr[DHCP_CHADDR_LEN];
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u32_t flags;
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u32_t leasetime;
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u32_t proposed_leasetime;
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ip4_addr_t cli_addr;
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};
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struct dhcps {
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struct udp_pcb *pcb;
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struct dyn_lease_addr leasearr[LWIP_DHCPS_MAX_LEASE];
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u8_t pcb_allocated;
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u8_t lease_num;
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struct netif *netif;
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ip4_addr_t start_addr;
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ip4_addr_t end_addr;
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};
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#endif // (LWIP_DHCP) && (LWIP_DHCPS)
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#endif // LITEOS_A_DHCPS_FIXME_H
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