1*97dc5e69SMatthias Ringwald /* 2*97dc5e69SMatthias Ringwald * The MIT License (MIT) 3*97dc5e69SMatthias Ringwald * 4*97dc5e69SMatthias Ringwald * Copyright (c) 2015 by Sergey Fetisov <[email protected]> 5*97dc5e69SMatthias Ringwald * 6*97dc5e69SMatthias Ringwald * Permission is hereby granted, free of charge, to any person obtaining a copy 7*97dc5e69SMatthias Ringwald * of this software and associated documentation files (the "Software"), to deal 8*97dc5e69SMatthias Ringwald * in the Software without restriction, including without limitation the rights 9*97dc5e69SMatthias Ringwald * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10*97dc5e69SMatthias Ringwald * copies of the Software, and to permit persons to whom the Software is 11*97dc5e69SMatthias Ringwald * furnished to do so, subject to the following conditions: 12*97dc5e69SMatthias Ringwald * 13*97dc5e69SMatthias Ringwald * The above copyright notice and this permission notice shall be included in all 14*97dc5e69SMatthias Ringwald * copies or substantial portions of the Software. 15*97dc5e69SMatthias Ringwald * 16*97dc5e69SMatthias Ringwald * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17*97dc5e69SMatthias Ringwald * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18*97dc5e69SMatthias Ringwald * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 19*97dc5e69SMatthias Ringwald * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20*97dc5e69SMatthias Ringwald * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21*97dc5e69SMatthias Ringwald * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 22*97dc5e69SMatthias Ringwald * SOFTWARE. 23*97dc5e69SMatthias Ringwald */ 24*97dc5e69SMatthias Ringwald 25*97dc5e69SMatthias Ringwald /* 26*97dc5e69SMatthias Ringwald * version: 1.0 demo (7.02.2015) 27*97dc5e69SMatthias Ringwald * brief: tiny dhcp ipv4 server using lwip (pcb) 28*97dc5e69SMatthias Ringwald * ref: https://lists.gnu.org/archive/html/lwip-users/2012-12/msg00016.html 29*97dc5e69SMatthias Ringwald */ 30*97dc5e69SMatthias Ringwald 31*97dc5e69SMatthias Ringwald #ifndef DHSERVER_H 32*97dc5e69SMatthias Ringwald #define DHSERVER_H 33*97dc5e69SMatthias Ringwald 34*97dc5e69SMatthias Ringwald // #include <stdint.h> 35*97dc5e69SMatthias Ringwald #include <stdbool.h> 36*97dc5e69SMatthias Ringwald // #include <stdio.h> 37*97dc5e69SMatthias Ringwald #include <string.h> 38*97dc5e69SMatthias Ringwald #include "lwip/err.h" 39*97dc5e69SMatthias Ringwald #include "lwip/udp.h" 40*97dc5e69SMatthias Ringwald #include "netif/etharp.h" 41*97dc5e69SMatthias Ringwald #include "lwip/ip_addr.h" 42*97dc5e69SMatthias Ringwald 43*97dc5e69SMatthias Ringwald typedef struct dhcp_entry 44*97dc5e69SMatthias Ringwald { 45*97dc5e69SMatthias Ringwald uint8_t mac[6]; 46*97dc5e69SMatthias Ringwald uint8_t addr[4]; 47*97dc5e69SMatthias Ringwald uint8_t subnet[4]; 48*97dc5e69SMatthias Ringwald uint32_t lease; 49*97dc5e69SMatthias Ringwald } dhcp_entry_t; 50*97dc5e69SMatthias Ringwald 51*97dc5e69SMatthias Ringwald typedef struct dhcp_config 52*97dc5e69SMatthias Ringwald { 53*97dc5e69SMatthias Ringwald uint8_t addr[4]; 54*97dc5e69SMatthias Ringwald uint16_t port; 55*97dc5e69SMatthias Ringwald uint8_t dns[4]; 56*97dc5e69SMatthias Ringwald const char *domain; 57*97dc5e69SMatthias Ringwald int num_entry; 58*97dc5e69SMatthias Ringwald dhcp_entry_t *entries; 59*97dc5e69SMatthias Ringwald } dhcp_config_t; 60*97dc5e69SMatthias Ringwald 61*97dc5e69SMatthias Ringwald err_t dhserv_init(dhcp_config_t *config); 62*97dc5e69SMatthias Ringwald void dhserv_free(void); 63*97dc5e69SMatthias Ringwald 64*97dc5e69SMatthias Ringwald #endif /* DHSERVER_H */ 65