1 /* 2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved. 3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this list of 9 * conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list 12 * of conditions and the following disclaimer in the documentation and/or other materials 13 * provided with the distribution. 14 * 15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used 16 * to endorse or promote products derived from this software without specific prior written 17 * permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef LWIP_HDR_DHCPS_H 33 #define LWIP_HDR_DHCPS_H 34 35 #include "lwip/opt.h" 36 #include "lwip/prot/dhcp.h" 37 #if LWIP_DHCPS /* don't build if not configured for use in lwipopts.h */ 38 39 #include "lwip/netif.h" 40 #include "lwip/udp.h" 41 42 #if defined (__cplusplus) && __cplusplus 43 extern "C" { 44 #endif 45 46 47 #ifndef LWIP_DHCPS_MAX_LEASE 48 #define LWIP_DHCPS_MAX_LEASE 30 49 #endif 50 51 #ifndef LWIP_DHCPS_LEASE_TIME 52 #define LWIP_DHCPS_LEASE_TIME ~0 53 #endif 54 55 /* Offer time in seconds */ 56 #ifndef LWIP_DHCPS_OFFER_TIME 57 #define LWIP_DHCPS_OFFER_TIME 300 58 #endif 59 60 #ifndef LWIP_DHCPS_DECLINE_TIME 61 #define LWIP_DHCPS_DECLINE_TIME 500 62 #endif 63 64 err_t dhcps_start(struct netif *netif, const char *start_ip, u16_t ip_num); 65 void dhcps_stop(struct netif *netif); 66 67 #if defined (__cplusplus) && __cplusplus 68 } 69 #endif 70 #endif /* LWIP_DHCPS */ 71 #endif /* LWIP_HDR_DHCPS_H */ 72