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