00001 /* 00002 * Copyright (C) 2001-2003 by egnite Software GmbH. All rights reserved. 00003 * 00004 * Redistribution and use in source and binary forms, with or without 00005 * modification, are permitted provided that the following conditions 00006 * are met: 00007 * 00008 * 1. Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * 3. Neither the name of the copyright holders nor the names of 00014 * contributors may be used to endorse or promote products derived 00015 * from this software without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH AND CONTRIBUTORS 00018 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00019 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00020 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL EGNITE 00021 * SOFTWARE GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00022 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00023 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 00024 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 00025 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00026 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 00027 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00028 * SUCH DAMAGE. 00029 * 00030 * For additional information see http://www.ethernut.de/ 00031 * 00032 * - 00033 * Portions are 00034 * Copyright (c) 1989 by Carnegie Mellon University. 00035 * All rights reserved. 00036 * 00037 * Redistribution and use in source and binary forms are permitted 00038 * provided that the above copyright notice and this paragraph are 00039 * duplicated in all such forms and that any documentation, 00040 * advertising materials, and other materials related to such 00041 * distribution and use acknowledge that the software was developed 00042 * by Carnegie Mellon University. The name of the 00043 * University may not be used to endorse or promote products derived 00044 * from this software without specific prior written permission. 00045 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 00046 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 00047 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 00048 */ 00049 00050 /* 00051 * $Log: ipcpout.c,v $ 00052 * Revision 1.5 2006/10/08 16:48:22 haraldkipp 00053 * Documentation fixed 00054 * 00055 * Revision 1.4 2005/04/08 15:20:50 olereinhardt 00056 * added <sys/types.h> (__APPLE__) and <netinet/in.h> (__linux__) 00057 * for htons and simmilar. 00058 * 00059 * Revision 1.3 2003/08/14 15:17:50 haraldkipp 00060 * Caller controls ID increment 00061 * 00062 * Revision 1.2 2003/07/24 16:13:38 haraldkipp 00063 * Never request a rejected DNS 00064 * 00065 * Revision 1.1.1.1 2003/05/09 14:41:31 haraldkipp 00066 * Initial using 3.2.1 00067 * 00068 * Revision 1.1 2003/03/31 14:53:27 harald 00069 * Prepare release 3.1 00070 * 00071 */ 00072 #include <string.h> 00073 00074 #include <dev/ppp.h> 00075 00076 #include <sys/heap.h> 00077 #include <sys/thread.h> 00078 #include <sys/types.h> 00079 #include <net/if_var.h> 00080 #include <netinet/if_ppp.h> 00081 #include <netinet/ppp_fsm.h> 00082 #include <netinet/in.h> 00083 #include <net/ppp.h> 00084 00089 00106 int NutIpcpOutput(NUTDEVICE * dev, u_char code, u_char id, NETBUF * nb) 00107 { 00108 XCPHDR *xcp; 00109 00110 if ((nb = NutNetBufAlloc(nb, NBAF_NETWORK, sizeof(XCPHDR))) == 0) 00111 return -1; 00112 00113 xcp = nb->nb_nw.vp; 00114 xcp->xch_code = code; 00115 xcp->xch_id = id; 00116 xcp->xch_len = htons(nb->nb_nw.sz + nb->nb_tp.sz + nb->nb_ap.sz); 00117 00118 if (NutPppOutput(dev, PPP_IPCP, 0, nb) == 0) { 00119 NutNetBufFree(nb); 00120 return 0; 00121 } 00122 return -1; 00123 } 00124 00125 /* 00126 * Send a Configure-Request. 00127 * TODO: May use preconfigured addresses. 00128 */ 00129 void IpcpTxConfReq(NUTDEVICE *dev, u_char id) 00130 { 00131 PPPDCB *dcb = dev->dev_dcb; 00132 XCPOPT *xcpo; 00133 NETBUF *nb; 00134 u_int len; 00135 00136 /* 00137 * Not currently negotiating. 00138 */ 00139 if(dcb->dcb_ipcp_state != PPPS_REQSENT && 00140 dcb->dcb_ipcp_state != PPPS_ACKRCVD && 00141 dcb->dcb_ipcp_state != PPPS_ACKSENT) { 00142 dcb->dcb_ipcp_naks = 0; 00143 } 00144 dcb->dcb_acked = 0; 00145 00146 /* 00147 * Create the request. 00148 */ 00149 len = 6; 00150 if((dcb->dcb_rejects & REJ_IPCP_DNS1) == 0) 00151 len += 6; 00152 if((dcb->dcb_rejects & REJ_IPCP_DNS2) == 0) 00153 len += 6; 00154 if ((nb = NutNetBufAlloc(0, NBAF_APPLICATION, len)) != 0) { 00155 xcpo = nb->nb_ap.vp; 00156 xcpo->xcpo_type = IPCP_ADDR; 00157 xcpo->xcpo_len = 6; 00158 xcpo->xcpo_.ul = dcb->dcb_local_ip; 00159 00160 if((dcb->dcb_rejects & REJ_IPCP_DNS1) == 0) { 00161 xcpo = (XCPOPT *)((char *)xcpo + xcpo->xcpo_len); 00162 xcpo->xcpo_type = IPCP_MS_DNS1; 00163 xcpo->xcpo_len = 6; 00164 xcpo->xcpo_.ul = dcb->dcb_ip_dns1; 00165 } 00166 00167 if((dcb->dcb_rejects & REJ_IPCP_DNS2) == 0) { 00168 xcpo = (XCPOPT *)((char *)xcpo + xcpo->xcpo_len); 00169 xcpo->xcpo_type = IPCP_MS_DNS2; 00170 xcpo->xcpo_len = 6; 00171 xcpo->xcpo_.ul = dcb->dcb_ip_dns2; 00172 } 00173 NutIpcpOutput(dev, XCP_CONFREQ, id, nb); 00174 } 00175 } 00176