1 /* 2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science. 3 * 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, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 25 * OF SUCH DAMAGE. 26 * 27 * This file is part of the lwIP TCP/IP stack. 28 * 29 * Author: Adam Dunkels <adam@sics.se> 30 * 31 */ 32 #ifndef __LWIP_IP_ADDR_H__ 33 #define __LWIP_IP_ADDR_H__ 34 35 #include "lwip/opt.h" 36 37 #ifdef __cplusplus 38 extern "C" { 39 #endif 40 41 #define IP_ADDR_ANY 0 42 43 #ifdef PACK_STRUCT_USE_INCLUDES 44 # include "arch/bpstruct.h" 45 #endif 46 PACK_STRUCT_BEGIN 47 struct ip_addr { 48 PACK_STRUCT_FIELD(u32_t addr[4]); 49 } PACK_STRUCT_STRUCT; 50 PACK_STRUCT_END 51 #ifdef PACK_STRUCT_USE_INCLUDES 52 # include "arch/epstruct.h" 53 #endif 54 55 /* 56 * struct ipaddr2 is used in the definition of the ARP packet format in 57 * order to support compilers that don't have structure packing. 58 */ 59 #ifdef PACK_STRUCT_USE_INCLUDES 60 # include "arch/bpstruct.h" 61 #endif 62 PACK_STRUCT_BEGIN 63 struct ip_addr2 { 64 PACK_STRUCT_FIELD(u16_t addrw[2]); 65 } PACK_STRUCT_STRUCT; 66 PACK_STRUCT_END 67 #ifdef PACK_STRUCT_USE_INCLUDES 68 # include "arch/epstruct.h" 69 #endif 70 71 #define IP6_ADDR(ipaddr, a,b,c,d,e,f,g,h) do { (ipaddr)->addr[0] = htonl((u32_t)((a & 0xffff) << 16) | (b & 0xffff)); \ 72 (ipaddr)->addr[1] = htonl(((c & 0xffff) << 16) | (d & 0xffff)); \ 73 (ipaddr)->addr[2] = htonl(((e & 0xffff) << 16) | (f & 0xffff)); \ 74 (ipaddr)->addr[3] = htonl(((g & 0xffff) << 16) | (h & 0xffff)); } while(0) 75 76 u8_t ip_addr_netcmp(struct ip_addr *addr1, struct ip_addr *addr2, 77 struct ip_addr *mask); 78 u8_t ip_addr_cmp(struct ip_addr *addr1, struct ip_addr *addr2); 79 void ip_addr_set(struct ip_addr *dest, struct ip_addr *src); 80 u8_t ip_addr_isany(struct ip_addr *addr); 81 82 #define ip_addr_debug_print(debug, ipaddr) \ 83 LWIP_DEBUGF(debug, ("%"X32_F":%"X32_F":%"X32_F":%"X32_F":%"X32_F":%"X32_F":%"X32_F":%"X32_F"\n", \ 84 (ntohl(ipaddr->addr[0]) >> 16) & 0xffff, \ 85 ntohl(ipaddr->addr[0]) & 0xffff, \ 86 (ntohl(ipaddr->addr[1]) >> 16) & 0xffff, \ 87 ntohl(ipaddr->addr[1]) & 0xffff, \ 88 (ntohl(ipaddr->addr[2]) >> 16) & 0xffff, \ 89 ntohl(ipaddr->addr[2]) & 0xffff, \ 90 (ntohl(ipaddr->addr[3]) >> 16) & 0xffff, \ 91 ntohl(ipaddr->addr[3]) & 0xffff)); 92 93 #ifdef __cplusplus 94 } 95 #endif 96 97 #endif /* __LWIP_IP_ADDR_H__ */ 98