NyLPC_cIPv4Config.c

00001 /*********************************************************************************
00002  * PROJECT: MiMic
00003  * --------------------------------------------------------------------------------
00004  *
00005  * This file is part of MiMic
00006  * Copyright (C)2011 Ryo Iizuka
00007  *
00008  * MiMic is free software: you can redistribute it and/or modify
00009  * it under the terms of the GNU Lesser General Public License as published
00010  * by　the Free Software Foundation, either version 3 of the　License, or
00011  * (at your option) any later version.
00012  *
00013  * This program is distributed in the hope that it will be useful,
00014  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00015  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00016  * GNU General Public License for more details.
00017  *
00018  * You should have received a copy of the GNU Lesser General Public License
00019  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
00020  *
00021  * For further information please contact.
00022  *  http://nyatla.jp/
00023  *  <airmail(at)ebony.plala.or.jp> or <nyatla(at)nyatla.jp>
00024  *
00025  *********************************************************************************/
00026 
00027 #include "NyLPC_cIPv4Config.h"
00028 
00029 
00030 
00031 /**
00032  * See header file.
00033  */
00034 void NyLPC_cIPv4Config_initialzeForEthernet(NyLPC_TcIPv4Config_t* i_inst,const struct NyLPC_TEthAddr* i_ether_addr,NyLPC_TUInt16 i_ether_frame_len)
00035 {
00036     i_inst->ip_addr=i_inst->netmask=i_inst->dr_addr=NyLPC_TIPv4Addr_ZERO;
00037     i_inst->eth_mac=*i_ether_addr;
00038     //mssの計算
00039     i_inst->default_mss=i_ether_frame_len-(UIP_ETHERHEADER_LEN+UIP_TCPH_LEN + UIP_IPH_LEN);
00040     return;
00041 }
00042 void NyLPC_cIPv4Config_initialzeCopy(NyLPC_TcIPv4Config_t* i_inst,const NyLPC_TcIPv4Config_t* i_src)
00043 {
00044     memcpy(i_inst,i_src,sizeof(NyLPC_TcIPv4Config_t));
00045 }
00046 /**
00047  * See header file.
00048  */
00049 void NyLPC_cIPv4Config_setDefaultRoute(NyLPC_TcIPv4Config_t* i_inst,const struct NyLPC_TIPv4Addr* i_dr_addr)
00050 {
00051     i_inst->dr_addr=*i_dr_addr;
00052     return;
00053 }
00054 
00055 /**
00056  * See header file.
00057  */
00058 void NyLPC_cIPv4Config_setIp(NyLPC_TcIPv4Config_t* i_inst,const struct NyLPC_TIPv4Addr* i_ipaddr,const struct NyLPC_TIPv4Addr* i_netmask)
00059 {
00060     i_inst->ip_addr=*i_ipaddr;
00061     i_inst->netmask=*i_netmask;
00062     return;
00063 }
00064 
00065 /**
00066  * See header file.
00067  */
00068 NyLPC_TBool NyLPC_cIPv4Config_isLocalIP(const NyLPC_TcIPv4Config_t* i_inst,const struct NyLPC_TIPv4Addr* i_target_ip)
00069 {
00070     return NyLPC_TIPv4Addr_isEqualWithMask(&(i_inst->ip_addr),i_target_ip,&(i_inst->netmask));
00071 }
00072