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 1.6 2008/04/18 13:32:00 haraldkipp 00053 * Changed size parameter from u_short to int, which is easier to handle 00054 * for 32-bit targets. You need to recompile your ARM code. No impact on 00055 * AVR expected 00056 * I changed u_int to int at some places to avoid some warnings during 00057 * compilation of Nut/Net. 00058 * libs. 00059 * 00060 * Revision 1.5 2006/10/08 16:48:22 haraldkipp 00061 * Documentation fixed 00062 * 00063 * Revision 1.4 2005/04/08 15:20:50 olereinhardt 00064 * added <sys/types.h> (__APPLE__) and <netinet/in.h> (__linux__) 00065 * for htons and simmilar. 00066 * 00067 * Revision 1.3 2003/08/14 15:17:50 haraldkipp 00068 * Caller controls ID increment 00069 * 00070 * Revision 1.2 2003/07/24 16:13:38 haraldkipp 00071 * Never request a rejected DNS 00072 * 00073 * Revision 1.1.1.1 2003/05/09 14:41:31 haraldkipp 00074 * Initial using 3.2.1 00075 * 00076 * Revision 1.1 2003/03/31 14:53:27 harald 00077 * Prepare release 3.1 00078 * 00079 */ 00080 #include <string.h> 00081 00082 #include <dev/ppp.h> 00083 00084 #include <sys/heap.h> 00085 #include <sys/thread.h> 00086 #include <sys/types.h> 00087 #include <net/if_var.h> 00088 #include <netinet/if_ppp.h> 00089 #include <netinet/ppp_fsm.h> 00090 #include <netinet/in.h> 00091 #include <net/ppp.h> 00092 00097 00114 int NutIpcpOutput(NUTDEVICE * dev, u_char code, u_char id, NETBUF * nb) 00115 { 00116 XCPHDR *xcp; 00117 00118 if ((nb = NutNetBufAlloc(nb, NBAF_NETWORK, sizeof(XCPHDR))) == 0) 00119 return -1; 00120 00121 xcp = nb->nb_nw.vp; 00122 xcp->xch_code = code; 00123 xcp->xch_id = id; 00124 xcp->xch_len = htons(nb->nb_nw.sz + nb->nb_tp.sz + nb->nb_ap.sz); 00125 00126 if (NutPppOutput(dev, PPP_IPCP, 0, nb) == 0) { 00127 NutNetBufFree(nb); 00128 return 0; 00129 } 00130 return -1; 00131 } 00132 00133 /* 00134 * Send a Configure-Request. 00135 * TODO: May use preconfigured addresses. 00136 */ 00137 void IpcpTxConfReq(NUTDEVICE *dev, u_char id) 00138 { 00139 PPPDCB *dcb = dev->dev_dcb; 00140 XCPOPT *xcpo; 00141 NETBUF *nb; 00142 int len; 00143 00144 /* 00145 * Not currently negotiating. 00146 */ 00147 if(dcb->dcb_ipcp_state != PPPS_REQSENT && 00148 dcb->dcb_ipcp_state != PPPS_ACKRCVD && 00149 dcb->dcb_ipcp_state != PPPS_ACKSENT) { 00150 dcb->dcb_ipcp_naks = 0; 00151 } 00152 dcb->dcb_acked = 0; 00153 00154 /* 00155 * Create the request. 00156 */ 00157 len = 6; 00158 if((dcb->dcb_rejects & REJ_IPCP_DNS1) == 0) 00159 len += 6; 00160 if((dcb->dcb_rejects & REJ_IPCP_DNS2) == 0) 00161 len += 6; 00162 if ((nb = NutNetBufAlloc(0, NBAF_APPLICATION, len)) != 0) { 00163 xcpo = nb->nb_ap.vp; 00164 xcpo->xcpo_type = IPCP_ADDR; 00165 xcpo->xcpo_len = 6; 00166 xcpo->xcpo_.ul = dcb->dcb_local_ip; 00167 00168 if((dcb->dcb_rejects & REJ_IPCP_DNS1) == 0) { 00169 xcpo = (XCPOPT *)((char *)xcpo + xcpo->xcpo_len); 00170 xcpo->xcpo_type = IPCP_MS_DNS1; 00171 xcpo->xcpo_len = 6; 00172 xcpo->xcpo_.ul = dcb->dcb_ip_dns1; 00173 } 00174 00175 if((dcb->dcb_rejects & REJ_IPCP_DNS2) == 0) { 00176 xcpo = (XCPOPT *)((char *)xcpo + xcpo->xcpo_len); 00177 xcpo->xcpo_type = IPCP_MS_DNS2; 00178 xcpo->xcpo_len = 6; 00179 xcpo->xcpo_.ul = dcb->dcb_ip_dns2; 00180 } 00181 NutIpcpOutput(dev, XCP_CONFREQ, id, nb); 00182 } 00183 } 00184