lwip-1.4.1 (partial)
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ip_addr.h
00001 /* 00002 * Copyright (c) 2001-2004 Swedish Institute of Computer Science. 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without modification, 00006 * are permitted provided that the following conditions are met: 00007 * 00008 * 1. Redistributions of source code must retain the above copyright notice, 00009 * this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright notice, 00011 * this list of conditions and the following disclaimer in the documentation 00012 * and/or other materials provided with the distribution. 00013 * 3. The name of the author may not be used to endorse or promote products 00014 * derived from this software without specific prior written permission. 00015 * 00016 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 00017 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 00018 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 00019 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00020 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 00021 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00022 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00023 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 00024 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 00025 * OF SUCH DAMAGE. 00026 * 00027 * This file is part of the lwIP TCP/IP stack. 00028 * 00029 * Author: Adam Dunkels <adam@sics.se> 00030 * 00031 */ 00032 #ifndef __LWIP_IP_ADDR_H__ 00033 #define __LWIP_IP_ADDR_H__ 00034 00035 #include "lwip/opt.h" 00036 00037 #ifdef __cplusplus 00038 extern "C" { 00039 #endif 00040 00041 #define IP_ADDR_ANY 0 00042 00043 #ifdef PACK_STRUCT_USE_INCLUDES 00044 # include "arch/bpstruct.h" 00045 #endif 00046 PACK_STRUCT_BEGIN 00047 struct ip_addr { 00048 PACK_STRUCT_FIELD(u32_t addr[4]); 00049 } PACK_STRUCT_STRUCT; 00050 PACK_STRUCT_END 00051 #ifdef PACK_STRUCT_USE_INCLUDES 00052 # include "arch/epstruct.h" 00053 #endif 00054 00055 /* 00056 * struct ipaddr2 is used in the definition of the ARP packet format in 00057 * order to support compilers that don't have structure packing. 00058 */ 00059 #ifdef PACK_STRUCT_USE_INCLUDES 00060 # include "arch/bpstruct.h" 00061 #endif 00062 PACK_STRUCT_BEGIN 00063 struct ip_addr2 { 00064 PACK_STRUCT_FIELD(u16_t addrw[2]); 00065 } PACK_STRUCT_STRUCT; 00066 PACK_STRUCT_END 00067 #ifdef PACK_STRUCT_USE_INCLUDES 00068 # include "arch/epstruct.h" 00069 #endif 00070 00071 #define IP6_ADDR(ipaddr, a,b,c,d,e,f,g,h) do { (ipaddr)->addr[0] = htonl((u32_t)((a & 0xffff) << 16) | (b & 0xffff)); \ 00072 (ipaddr)->addr[1] = htonl(((c & 0xffff) << 16) | (d & 0xffff)); \ 00073 (ipaddr)->addr[2] = htonl(((e & 0xffff) << 16) | (f & 0xffff)); \ 00074 (ipaddr)->addr[3] = htonl(((g & 0xffff) << 16) | (h & 0xffff)); } while(0) 00075 00076 u8_t ip_addr_netcmp(struct ip_addr *addr1, struct ip_addr *addr2, 00077 struct ip_addr *mask); 00078 u8_t ip_addr_cmp(struct ip_addr *addr1, struct ip_addr *addr2); 00079 void ip_addr_set(struct ip_addr *dest, struct ip_addr *src); 00080 u8_t ip_addr_isany(struct ip_addr *addr); 00081 00082 #define ip_addr_debug_print(debug, ipaddr) \ 00083 LWIP_DEBUGF(debug, ("%"X32_F":%"X32_F":%"X32_F":%"X32_F":%"X32_F":%"X32_F":%"X32_F":%"X32_F"\n", \ 00084 (ntohl(ipaddr->addr[0]) >> 16) & 0xffff, \ 00085 ntohl(ipaddr->addr[0]) & 0xffff, \ 00086 (ntohl(ipaddr->addr[1]) >> 16) & 0xffff, \ 00087 ntohl(ipaddr->addr[1]) & 0xffff, \ 00088 (ntohl(ipaddr->addr[2]) >> 16) & 0xffff, \ 00089 ntohl(ipaddr->addr[2]) & 0xffff, \ 00090 (ntohl(ipaddr->addr[3]) >> 16) & 0xffff, \ 00091 ntohl(ipaddr->addr[3]) & 0xffff)); 00092 00093 #ifdef __cplusplus 00094 } 00095 #endif 00096 00097 #endif /* __LWIP_IP_ADDR_H__ */
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