W5500-Ethernet-Interface Makers
PPPoE application with W5500
Dependencies: W5500Interface mbed pppoe
- How to connect PPPoE with WIZ550 ioShield and mbed platform (Korean version)
- How to connect ioShield to mbed platform(ST nucleo) of ST Microelectronics via SPI (Korean version)
- Example PPPoE server(RB750) setting (Korean version)
http://hjjeon0608.wordpress.com/2014/10/28/rb750pppoe-server-setting%ED%95%98%EA%B8%B0/
- W5500(PPPoE client) setting (Korean version)
http://hjjeon0608.wordpress.com/2014/10/29/temp/
- PPPoE library
http://developer.mbed.org/teams/EthernetInterfaceW5500-makers/code/pppoe/
Diff: pppoe/PPPoE.cpp
- Revision:
- 5:bab86bc92f83
- Parent:
- 4:c56129381640
--- a/pppoe/PPPoE.cpp Thu Oct 16 07:45:37 2014 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,1658 +0,0 @@
-#include <stdint.h>
-#include "PPPoE.h"
-
-
-// ID and Password for PAP from main.c
-extern uint8_t pppoe_id[];//={};
-extern uint8_t pppoe_id_len;
-extern uint8_t pppoe_ip[];//={};
-extern uint8_t pppoe_pdns[];//={};
-extern uint8_t pppoe_sdns[];//={};
-extern uint8_t pppoe_pw[];//={};
-extern uint8_t pppoe_pw_len;
-
-
-//IPCP Reject flag
-uint8_t ip_rjt;
-uint8_t pdns_rjt;
-uint8_t sdns_rjt;
-
-
-// PPPoE Frame structure for send
-PPPMSG PPPMSG_req; // PPPoE frame
-PROTOCOL PPPPROTO; // Tag and Protocol data
-
-// TxRx Buffers pointer from main
-uint8_t* buf;
-
-// Server MAC and Assigned Session ID and IP address from NAS using PPPoE
-uint8_t NAS_mac[6];
-uint16_t NAS_sessionid = 0;
-
-// kind of authentication protocol and algorithm; decided by LCP phase
-// Authentication protocol : PAP - 0xC023, CHAP - 0xC223
-// Algorithm : MD5 - 0x05, MS-CHAP - 0x80, MS-CHAP-V2 - 0x81
-uint16_t auth_protocol;
-uint8_t chap_algorithm;
-
-// For MD5 calculation
-MD5_CTX context;
-uint8_t digest[16];
-
-// Identifier for PPPoE Protocols (increase per message sending)
-uint8_t protocol_id = 0x01;
-
-
-
-uint16_t pppoe_state = PPPoE_DISCOVERY;
-// PPPoE stage control flags
-uint16_t pppoe_control_flag = 0;
-
-//PPPoE retry count and send retry count
-uint8_t pppoe_retry_send_count = 0;
-extern uint16_t pppoe_retry_count;
-uint8_t pppoe_recv_count = 0;
-
-
-// Tmp variable
-uint16_t tmp_protocol;
-uint8_t tmp_pcode;
-
-PPPOEClient::PPPOEClient()
-{
- eth = WIZnet_Chip::getInstance();
-}
-
-
-void PPPOEClient::set_pppinfo(uint8_t * nas_mac, uint8_t * ppp_ip, uint16_t nas_sessionid)
-{
-
-#ifdef __DEF_PPP_DBG1__
- uint8_t str[8];//debug var
- uint16_t psid;
-
- printf("set_pppinfo() Start...\r\n");
-#endif
- /* Set PPPoE bit in MR(Common Mode Register) : enable PPPoE */
- eth->setMR(eth->getMR() | MR_PPPOE);
-
- // Write PPPoE server's MAC address, Session ID and IP address.
- // must be setted these value.
-#ifdef __DEF_PPP_DBG1__
- printf("Server's MAC : %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\r\n", nas_mac[0], nas_mac[1], nas_mac[2], nas_mac[3], nas_mac[4], nas_mac[5]);
- printf("PPPoE IP : %.3d.%.3d.%.3d.%.3d\r\n", ppp_ip[0], ppp_ip[1], ppp_ip[2], ppp_ip[3]);
- printf("Session ID : 0x%.2x%.2x\r\n", (uint8_t)(nas_sessionid >> 8), (uint8_t)nas_sessionid);
-#endif
-
- eth->setPHAR(nas_mac);
- eth->setSIPR(ppp_ip);
- eth->setPSID(nas_sessionid);
-
-#ifdef __DEF_PPP_DBG1__
- eth->getPHAR(str);
- printf( "Read PHAR register : %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\r\n", str[0], str[1], str[2], str[3], str[4], str[5]);
- eth->getSIPR(str);
- printf( "Read SIP register : %.3d.%.3d.%.3d.%.3d\r\n", str[0], str[1], str[2], str[3]);
- psid = eth->getPSID();
- printf("Read PSID register : %x\r\n", psid);
-#endif
-
- //open socket in pppoe mode
- eth->setPTIMER(0);
-
-
-#ifdef __DEF_PPP_DBG1__
- printf("set_pppinfo() End...\r\n");
-#endif
-#ifdef __DEF_PPP_DBG1__
- printf("pppoe PDNS : %.3d.%.3d.%.3d.%.3d\r\n", pppoe_pdns[0], pppoe_pdns[1], pppoe_pdns[2], pppoe_pdns[3]);
- printf("pppoe SDNS : %.3d.%.3d.%.3d.%.3d\r\n", pppoe_sdns[0], pppoe_sdns[1], pppoe_sdns[2], pppoe_sdns[3]);
-#endif
-
-}
-
-
-void PPPOEClient::ppp_send(void)
-{
- uint8_t *ptr;
- uint8_t sn = 0;
- uint16_t tmp16 = 0;
- uint16_t txbuf_len = 0;
-
- txbuf_len = sizeof(PPPMSG_req);
-
-
-
- if(pppoe_state == PPPoE_DISCOVERY)
- ptr = (uint8_t *)&PPPPROTO.opt;
- else
- ptr = (uint8_t *)&PPPPROTO;
-
-
- // Fill the Tx buffer
- //memcpy(txbuf, (uint8_t *)&PPPMSG_req, txbuf_len);
- memcpy(buf, (uint8_t *)&PPPMSG_req, txbuf_len);
- //change MSB and LSB because of different endian.
- tmp16 = 0;
- tmp16 = (PPPMSG_req.len & 0xFF) << 8;
- tmp16 |= ((PPPMSG_req.len >> 8) & 0xFF);
-
- //memcpy(txbuf + txbuf_len, ptr, tmp16);
- memcpy(buf + txbuf_len, ptr, tmp16);
- txbuf_len += tmp16;
-
-#ifdef __DEF_PPP_DBG2__
- printf("Send data : ");
- for(i=0; i<txbuf_len; i++)
- {
- if((i % 16) == 0) printf("\r\n");
- printf("%.2x ", buf[i]);
- }
- printf("\r\n\r\n");
-#endif
- // Send MACRAW data
- eth->send(sn, (char*)buf, txbuf_len);
- //setSn_CR(sn, Sn_CR_SEND);
- eth->setSn_CR(sn, Sn_CR_SEND);
- while( eth->getSn_CR(sn) ) ;
-}
-
-
-void PPPOEClient::ppp_recv( uint16_t received_len )
-{
-
- uint16_t i;
- uint8_t sn = 0;
- uint8_t head[2] ={0,};
-
- uint16_t ethertype = 0;
- uint8_t pppoecode = 0;
- uint16_t taglen = 0;
- uint16_t tagname;
-
- uint8_t get_protocol_id = 0;
- uint16_t t_idx = 0, acknak_idx = 0, rjt_idx = 0;
- uint16_t ppp_tag_len = 0, getlen = 0, opt_len = 0;
- uint8_t acknak_opt[OPTMSG_LEN];
- uint8_t rjt_opt[OPTMSG_LEN];
- uint8_t opt_code;
- uint8_t ppp_code;
-
- uint8_t str[OPTMSG_LEN];
- uint16_t str_len = 0;
- uint8_t tmp8 = 0;
- uint8_t mac[6];
-
- //reset servicename flag
- pppoe_control_flag = pppoe_control_flag & ~FLAG_PADO_SERVICENAME;
-
-
- //getSHAR(mac);
- eth->getSHAR(mac);
-
- // MACRAW Receive
- //receive header(packet length) of macraw packet
-
- eth->recv(sn, (char*) head, 2);
-
- eth->setSn_CR(sn,Sn_CR_RECV);
-
- while( eth->getSn_CR(sn) ) ;
-
- received_len = 0;
- received_len = head[0] << 8;
- received_len = received_len | head[1];
- received_len = received_len - 2;
-
-
- eth->recv(sn, (char*) buf, received_len);
-
- eth->setSn_CR(sn,Sn_CR_RECV);
-
- while( eth->getSn_CR(sn) ) ;
-
-
- // Check the MAC in received packet
- tmp8 = buf[0] - mac[0] + buf[1] - mac[1] + buf[2] - mac[2] + buf[3] - mac[3] + buf[4] - mac[4] + buf[5] - mac[5];
-
- if(tmp8==0)
- {
-#ifdef __DEF_PPP_DBG2__
- printf("Received packet :");
- for(i = 0; i < received_len; i++)
- {
- if((i % 16) == 0) printf("\r\n");
- printf("%.2x ", buf[i]);
- }
- printf("\r\n");
-#endif
- ethertype = buf[12];
- ethertype = (ethertype << 8) + buf[13];
-
- pppoecode = buf[15];
-
- taglen = buf[18];
- taglen = (taglen << 8) + buf[19];
- ppp_code = buf[22];
-
- //Check the Ether-Type and Code in received packet
- t_idx = 20;
- switch (ethertype)
- {
- case PPPoE_DISCOVERY :
- if (pppoecode == PPPoE_PADO)
- {
-#ifdef __DEF_PPP_DBG1__
- printf("PPPoE Discovery: PADO received\r\n\r\n");
-#endif
- for(i = 0; i < 6; i++) NAS_mac[i] = buf[6+i];
- // PPPoE Frame
- while(taglen)
- {
- tagname = buf[t_idx];
- tagname = (tagname << 8) + buf[t_idx+1];
-
- ppp_tag_len = buf[t_idx+2];
- ppp_tag_len = (ppp_tag_len << 8) + buf[t_idx+3];
-
- // Check option field overflow
- // (OPTMSG_LEN defined maximum option field length.)
- if((acknak_idx + (ppp_tag_len+4)) > OPTMSG_LEN)
- {
-#ifdef __DEF_PPP_DBG__
- printf("PPPoE Protocol option field overflow occuerd!\r\n");
-#endif
- break;
- }
- else
- {
- switch(tagname)
- {
- case PPPoED_SERVICE_NAME :
- if ((pppoe_control_flag & FLAG_PADO_SERVICENAME) == 0)
- {
- memcpy(&acknak_opt[acknak_idx], &buf[t_idx], ppp_tag_len+4);
- acknak_idx += (ppp_tag_len+4);
- pppoe_control_flag = pppoe_control_flag | FLAG_PADO_SERVICENAME;
- }
- break;
- case PPPoED_HOST_UNIQ :
- case PPPoED_AC_COOKIE :
- memcpy(&acknak_opt[acknak_idx], &buf[t_idx], ppp_tag_len+4);
- acknak_idx += (ppp_tag_len+4);
- break;
- default :
- //case PPPoED_AC_NAME :
- break;
- }
- }
- t_idx += (ppp_tag_len+4);
- taglen -= (ppp_tag_len+4);
- }
-
- memcpy(&PPPPROTO.opt[0], &acknak_opt[0], acknak_idx);
-
- for(i = 0; i < 6; i++)
- {
- PPPMSG_req.dst_mac[i] = NAS_mac[i]; // NAS MAC address
- }
- PPPMSG_req.frame_code = PPPoE_PADR;
- //change MSB and LSB because of different endian.
- PPPMSG_req.len = 0;
- PPPMSG_req.len = (acknak_idx & 0xFF) << 8;
- PPPMSG_req.len |= ((acknak_idx >> 8) & 0xFF);
-
-#ifdef __DEF_PPP_DBG1__
- printf("PPPoE Discovery : PADR send\r\n");
-#endif
- ppp_send();
- pppoe_control_flag = pppoe_control_flag | FLAG_DISCOVERY_RCV_PADO;
-
-
- }
- else if(pppoecode == PPPoE_PADS)
- {
-#ifdef __DEF_PPP_DBG1__
- printf("PPPoE Discovery: PADS received\r\n\r\n");
-#endif
- pppoe_control_flag = pppoe_control_flag | FLAG_DISCOVERY_RCV_PADS;
-
- NAS_sessionid = buf[16];
- NAS_sessionid = (NAS_sessionid << 8) + buf[17];
- }
-#ifdef __DEF_PPP_DBG1__
- else printf("Not necessary packet received\r\n");
-#endif
- break;
- case PPPoE_SESSION :
-
- // Process LCP
- if ((buf[20] == 0xc0) && (buf[21] == 0x21))
- {
- //change MSB and LSB because of different endian.
- PPPPROTO.protocol = 0;
- PPPPROTO.protocol = (PPPoE_LCP & 0xFF) << 8;
- PPPPROTO.protocol |= ((PPPoE_LCP >> 8) & 0xFF);
-
- switch (ppp_code)
- {
- // when lcp_cr_rcv flag set && lcp_cr_sent flag set, goto PAP or CHAP
- case PPP_CONFIG_REQ : //Configuration Request receive, and then ack or reject send
- // when ack sent, lcp_cr_rcv flag set
-#ifdef __DEF_PPP_DBG1__
- printf("PPPoE Session LCP: Configure-Request received\r\n\r\n");
-#endif
- get_protocol_id = buf[23];
- getlen = buf[24];
- getlen = (getlen<<8) + buf[25];
-
- getlen -= 4;
- t_idx = 26;
- while (getlen)
- {
- opt_code = buf[t_idx];
- opt_len = buf[t_idx+1];
- // Check option field overflow
- // (OPTMSG_LEN defined maximum option field length.)
- if((acknak_idx + opt_len) > OPTMSG_LEN || (rjt_idx + opt_len) > OPTMSG_LEN)
- {
-#ifdef __DEF_PPP_DBG__
- printf("PPPoE Protocol option field overflow occuerd!\r\n");
-#endif
- break;
- }
- else
- {
- switch (opt_code)
- {
- case LCP_AUTH : // Authentication-Protocol
- auth_protocol = buf[t_idx+2];
- auth_protocol = (auth_protocol << 8) + buf[t_idx+3];
- chap_algorithm = buf[t_idx+4];
- memcpy(&acknak_opt[acknak_idx], &buf[t_idx], opt_len);
- acknak_idx += opt_len;
- break;
- case LCP_MRU : // MRU (Maximum-Receive-Unit)
- memcpy(&acknak_opt[acknak_idx], &buf[t_idx], opt_len);
- acknak_idx += opt_len;
- break;
- case LCP_MAGICNUM : // Magic-Number
- // opt_code : 0x01, 0x03, 0x05 shared process part
- memcpy(&acknak_opt[acknak_idx], &buf[t_idx], opt_len);
- acknak_idx += opt_len;
-
- break;
- default :
- memcpy(&rjt_opt[rjt_idx], &buf[t_idx], opt_len);
- rjt_idx += opt_len;
- break;
- }
- }
- t_idx += opt_len;
- getlen -= opt_len;
- }
-
-
-
- if (rjt_idx)
- {
- // reject send, then wait cr
- PPPPROTO.pcode = PPP_CONFIG_REJ; // Reject
- memcpy(&PPPPROTO.opt[0], &rjt_opt[0], rjt_idx);
- PPPPROTO.id = get_protocol_id;
-
- //change MSB and LSB because of different endian.
- PPPPROTO.len = 0;
- PPPPROTO.len = ((rjt_idx+4) & 0xFF) << 8;
- PPPPROTO.len |= (((rjt_idx+4) >> 8) & 0xFF);
-
- //change MSB and LSB because of different endian.
- PPPMSG_req.len = 0;
- PPPMSG_req.len = ((rjt_idx+6) & 0xFF) << 8;
- PPPMSG_req.len |= (((rjt_idx+6) >> 8) & 0xFF);
-
- ppp_send();
- }
- else
- {
- // ack send, lcp_cr_rcv flag set
- //change MSB and LSB because of different endian.
- PPPPROTO.protocol = 0;
- PPPPROTO.protocol = (PPPoE_LCP & 0xFF) << 8;
- PPPPROTO.protocol |= ((PPPoE_LCP >> 8) & 0xFF);
-
- PPPPROTO.pcode = PPP_CONFIG_ACK; // ack
- memcpy(&PPPPROTO.opt[0], &acknak_opt[0], acknak_idx);
- PPPPROTO.id = get_protocol_id;
- //change MSB and LSB because of different endian.
- PPPPROTO.len = 0;
- PPPPROTO.len = ((acknak_idx+4) & 0xFF) << 8;
- PPPPROTO.len |= (((acknak_idx+4) >> 8) & 0xFF);
-
- //change MSB and LSB because of different endian.
- PPPMSG_req.len = 0;
- PPPMSG_req.len = ((acknak_idx+6) & 0xFF) << 8;
- PPPMSG_req.len |= (((acknak_idx+6) >> 8) & 0xFF);
-#ifdef __DEF_PPP_DBG1__
- printf("LCP Configuration Ack send\r\n");
-#endif
- ppp_send();//ack send
- pppoe_control_flag = pppoe_control_flag | FLAG_LCP_CR_RCV;
-
- }
- break;
-
-
- case PPP_CONFIG_ACK : //ack, then lcp_cr_sent flag set
-#ifdef __DEF_PPP_DBG1__
- printf("PPPoE Session LCP: Configuration Ack received\r\n\r\n");
-#endif
- pppoe_control_flag = pppoe_control_flag | FLAG_LCP_CR_SNT;
- break;
-
-
- case PPP_TERM_ACK :
-#ifdef __DEF_PPP_DBG1__
- printf("Termination Ack received\r\n\r\n");
-#endif
- pppoe_control_flag = pppoe_control_flag | FLAG_TERMINATION_ACK_RCV;
-
- break;
-
-
- case PPP_TERM_REQ:
-#ifdef __DEF_PPP_DBG1__
- printf("Termination request received\r\n\r\n");
-#endif
-
- //change MSB and LSB because of different endian.
- PPPMSG_req.ether_type = 0;
- PPPMSG_req.ether_type = (PPPoE_SESSION & 0xFF) << 8;
- PPPMSG_req.ether_type |= ((PPPoE_SESSION >> 8) & 0xFF);// session
-
- PPPMSG_req.frame_code = 0x00; // session data
- //change MSB and LSB because of different endian.
- PPPMSG_req.session_id = 0;
- PPPMSG_req.session_id = (NAS_sessionid & 0xFF) << 8;
- PPPMSG_req.session_id |= ((NAS_sessionid >> 8) & 0xFF);
-
- //change MSB and LSB because of different endian.
- PPPPROTO.protocol = 0;
- PPPPROTO.protocol = (PPPoE_LCP & 0xFF) << 8;
- PPPPROTO.protocol |= ((PPPoE_LCP >> 8) & 0xFF);
-
- PPPPROTO.pcode = PPP_TERM_ACK; // Terminate-ack
-
- PPPPROTO.opt[0] = 0x00; // Magic number
- PPPPROTO.opt[1] = 0x01;
- PPPPROTO.opt[2] = 0x02;
- PPPPROTO.opt[3] = 0x03;
-
- PPPPROTO.id = protocol_id++;
- //change MSB and LSB because of different endian.
- PPPPROTO.len = 0;
- PPPPROTO.len = (8 & 0xFF) << 8;
- PPPPROTO.len |= ((8 >> 8) & 0xFF);
-
- //change MSB and LSB because of different endian.
- PPPMSG_req.len = 0;
- PPPMSG_req.len = (10 & 0xFF) << 8;
- PPPMSG_req.len |= ((10 >> 8) & 0xFF);
-
- pppoe_control_flag = pppoe_control_flag | FLAG_TERMINATION_REQ_RCV;
-
-#ifdef __DEF_PPP_DBG1__
- printf("Termination ack send\r\n");
-#endif
- ppp_send();
-
- break;
-
-
-/*
-* Notice : This part is not implemented.
-* If necessary, please implement more for reply for request from NAS.
-*
- case 0x04 : //reject
- break;
-
- case 0x09 : // Echo-Response
- // Backup
- tmp_protocol = PPPPROTO.protocol;
- tmp_pcode = PPPPROTO.pcode;
-
- PPPPROTO.protocol = PPPoE_LCP;
- PPPPROTO.pcode = PPP_ECHO_REP;
-
- PPPPROTO.id = buf[23];
-
- PPPPROTO.len = buf[24];
- PPPPROTO.len = (PPPPROTO.len << 8) + buf[25];
-
- memcpy(&PPPPROTO.opt[0], &buf[26], PPPPROTO.len-4);
- ppp_send();
-
- // Recover
- PPPPROTO.protocol = tmp_protocol;
- PPPPROTO.pcode = tmp_pcode;
- break;
-*/
-
- default:
-#ifdef __DEF_PPP_DBG1__
- printf("Not necessary packet received\r\n");
-#endif
- break;
- }
- }
- // Process PAP
- else if ((buf[20] == 0xc0) && (buf[21] == 0x23))
- {
- if(ppp_code == PPP_CONFIG_ACK) // PPP_CONFIG_ACK = 0x02
- {
- pppoe_control_flag = pppoe_control_flag | FLAG_PAP_ACK_RCV;// receice ack
-
-#ifdef __DEF_PPP_DBG1__
- printf("PPPoE Session PAP: Authentication ACK received\r\n\r\n");
-#endif
- }
- else if(ppp_code == PPP_TERM_ACK)
- {
-#ifdef __DEF_PPP_DBG1__
- printf("Termination Ack received\r\n\r\n");
-#endif
- pppoe_control_flag = pppoe_control_flag | FLAG_TERMINATION_ACK_RCV;
- }
- }
- // Process CHAP
-
- else if ((buf[20] == 0xc2) && (buf[21] == 0x23))
- {
- switch(chap_algorithm)
- {
- case MD5 : // 0x05, MD5
-
- get_protocol_id = buf[23];
- // length of [code ~ packet end]
- getlen = buf[24];
- getlen = (getlen<<8) + buf[25];
- // so, 'CHAP data' length is getlen - length of [code(1), ID(1), Length(2)].
- getlen -= 4; //PPP CHAP total(getlen) - 4(header) = data length(value size(1) + value + name )
- t_idx = 26;
-
- switch(ppp_code)
- {
- case 0x01 :
-#ifdef __DEF_PPP_DBG1__
- printf("PPPoE Session CHAP: CHAP Challenge received\r\n\r\n");
-#endif
- // Challenge, parse the packet and return 'Response' to NAS
- //-- MD5 calc input consist of ID(1), password(pwlen) and Challenge value(16).
-
- //-- buf[t_idx] => CV(challenge value) size, buf[t_idx+1] => start byte of CV
-
- memcpy(&str[str_len], &get_protocol_id, 1); // ID(value)
- str_len += 1;
- memcpy(&str[str_len], &pppoe_pw[0], pppoe_pw_len); // user password
- str_len += pppoe_pw_len;
- memcpy(&str[str_len], &buf[t_idx+1], buf[t_idx]); // CV(value)
- str_len += buf[t_idx];
-
- /*
- memcpy(&str[str_len], &buf[t_idx+1], buf[t_idx]); // CV(value)
- str_len += buf[t_idx];
- memcpy(&str[str_len], &pppoe_pw, pppoe_pw_len); // user password
- str_len += pppoe_pw_len;
- memcpy(&str[str_len], &pppoe_id, pppoe_id_len); // user id
- str_len += pppoe_id_len;
- */
-
- /*
- MD5Init(&context);
- MD5Update(&context, str, str_len);
- MD5Final(digest, &context);
- */
-
-
- MD5Init(&context);
- MD5Update(&context, &get_protocol_id, 1);
- MD5Update(&context, pppoe_pw, pppoe_pw_len);
- MD5Update(&context, (unsigned char *)(&buf[t_idx+1]), 16);
- MD5Final(digest, &context);
-
- // making response msg
- acknak_opt[acknak_idx++] = CV_HV_LEN; // fixed value, 16
- memcpy(&acknak_opt[acknak_idx], &digest, CV_HV_LEN);
- acknak_idx += CV_HV_LEN;
-
-
- memcpy(&acknak_opt[acknak_idx], &pppoe_id, pppoe_id_len); // Name: User ID
- acknak_idx += pppoe_id_len;
-
-
- //change MSB and LSB because of different endian.
- PPPPROTO.protocol = 0;
- PPPPROTO.protocol = (PPPoE_CHAP & 0xFF) << 8;
- PPPPROTO.protocol |= ((PPPoE_CHAP >> 8) & 0xFF);
-
- PPPPROTO.pcode = 0x02; // response
- PPPPROTO.id = get_protocol_id;
- //change MSB and LSB because of different endian.
- PPPPROTO.len = 0;
- PPPPROTO.len = ((acknak_idx + 4) & 0xFF) << 8;
- PPPPROTO.len |= (((acknak_idx + 4) >> 8) & 0xFF);
-
- //change MSB and LSB because of different endian.
- PPPMSG_req.len = 0;
- PPPMSG_req.len = ((acknak_idx + 6) & 0xFF) << 8;
- PPPMSG_req.len |= (((acknak_idx + 6) >> 8) & 0xFF);
-
-
- memcpy(&PPPPROTO.opt[0], &acknak_opt[0], acknak_idx);
-#ifdef __DEF_PPP_DBG1__
- printf("CHAP response MSG send \r\n\r\n");
-#endif
- ppp_send();
- break;
-
-
- case 0x03 : // PPP_SUCCESS
-#ifdef __DEF_PPP_DBG1__
- printf("PPPoE Session CHAP: CHAP Succeed packet received\r\n\r\n");
-#endif
- pppoe_control_flag = pppoe_control_flag | FLAG_CHAP_SUC_RCV;
-
- break;
-
-
- case 0x04 : // PPP_FAIL
-#ifdef __DEF_PPP_DBG1__
- printf("PPPoE Session CHAP: CHAP failure packet received\r\n\r\n");
-#endif
-
- break;
-
- default :
- break;
- }
- break;
-#ifdef __DEF_PPP_DBG1__
- case MS_CHAP : // 0x80, MS-CHAP
- case MS_CHAP_V2 : // 0x81, MS-CHAP-V2
- printf("This CHAP Algorithm is not supported : ");
- if(chap_algorithm == MS_CHAP) printf("MS-CHAP\r\n");
- else printf("MS-CHAP-V2\r\n");
- break;
-#endif
- default :
- break;
- }
- }
- // Process IPCP
- else if ((buf[20] == 0x80) && (buf[21] == 0x21))
- {
- switch(ppp_code)
- {
- case PPP_CONFIG_REQ : // cr, send ack
- case PPP_CONFIG_NAK : // nak, save ip addr and send config requset
-
-#ifdef __DEF_PPP_DBG1__
- if(ppp_code == 0x01) printf("PPPoE Session IPCP: Configure-Request received\r\n\r\n");
- else if (ppp_code == 0x03) printf("PPPoE Session IPCP: Configure-Nak received\r\n\r\n");
-#endif
- get_protocol_id = buf[23];
- getlen = buf[24];
- getlen = (getlen<<8) + buf[25];
-
- getlen -= 4;
- t_idx = 26;
-
- while (getlen)
- {
- opt_code = buf[t_idx];
- opt_len = buf[t_idx+1];
-
- // Check option field overflow
- // (OPTMSG_LEN defined maximum option field length.)
- if((acknak_idx + opt_len) > OPTMSG_LEN || (rjt_idx + opt_len) > OPTMSG_LEN)
- {
-#ifdef __DEF_PPP_DBG__
- printf("PPPoE Protocol option field overflow occuerd!\r\n");
-#endif
- break;
- }
- else
- {
- switch (opt_code)
- {
- //case 0x02 : // type : ip compression protocol
- case 0x03 : // type : ip address
- memcpy(&acknak_opt[acknak_idx], &buf[t_idx], opt_len);
- memcpy(&pppoe_ip, &buf[t_idx+2], opt_len-2);
-
- acknak_idx += opt_len;
- break;
- case 0x81 : //PDNS
- memcpy(&acknak_opt[acknak_idx], &buf[t_idx], opt_len);
- memcpy(&pppoe_pdns, &buf[t_idx+2], opt_len-2);
-
- acknak_idx += opt_len;
- break;
- case 0x83 : //SDNS
- memcpy(&acknak_opt[acknak_idx], &buf[t_idx], opt_len);
- memcpy(&pppoe_sdns, &buf[t_idx+2], opt_len-2);
-
- acknak_idx += opt_len;
- break;
- default : // reject
- memcpy(&rjt_opt[rjt_idx], &buf[t_idx], opt_len);
- rjt_idx += opt_len;
- break;
- }
- }
- t_idx += opt_len;
- getlen -= opt_len;
- }
-
-
-
- if (rjt_idx)//if reject
- {
-#ifdef __DEF_PPP_DBG1__
- printf("reject send!\r\n");
-#endif
- // reject send, then wait cr
- //change MSB and LSB because of different endian.
- PPPPROTO.protocol = 0;
- PPPPROTO.protocol = (PPPoE_IPCP & 0xFF) << 8;
- PPPPROTO.protocol |= ((PPPoE_IPCP >> 8) & 0xFF);
-
- PPPPROTO.pcode = 0x04; // Reject
-
- memcpy(&PPPPROTO.opt[0], &rjt_opt[0], rjt_idx);
-
- PPPPROTO.id = get_protocol_id;
- //change MSB and LSB because of different endian.
- PPPPROTO.len = 0;
- PPPPROTO.len = ((rjt_idx+4) & 0xFF) << 8;
- PPPPROTO.len |= (((rjt_idx+4) >> 8) & 0xFF);
- //change MSB and LSB because of different endian.
- PPPMSG_req.len = 0;
- PPPMSG_req.len = ((rjt_idx+6) & 0xFF) << 8;
- PPPMSG_req.len |= (((rjt_idx+6) >> 8) & 0xFF);
-
- ppp_send();
- }
- else // if not reject
- {
- // ack send, lcp_cr_rcv flag set
- //change MSB and LSB because of different endian.
- PPPPROTO.protocol = 0;
- PPPPROTO.protocol = (PPPoE_IPCP & 0xFF) << 8;
- PPPPROTO.protocol |= ((PPPoE_IPCP >> 8) & 0xFF);
-
- if(ppp_code == PPP_CONFIG_REQ)
- {
- PPPPROTO.pcode = 0x02; // if configuration request MSG received, send ack
-#ifdef __DEF_PPP_DBG1__
- printf("IPCP configuration ack send!\r\n");
-#endif
- }
- else
- {
- PPPPROTO.pcode = 0x01; // if nak received, send cr
-#ifdef __DEF_PPP_DBG1__
- printf("IPCP Configuration Request send!\r\n");
-#endif
- }
-
- memcpy(&PPPPROTO.opt[0], &acknak_opt[0], acknak_idx);
-
- PPPPROTO.id = get_protocol_id;
- //change MSB and LSB because of different endian.
- PPPPROTO.len = 0;
- PPPPROTO.len = ((acknak_idx+4) & 0xFF) << 8;
- PPPPROTO.len |= (((acknak_idx+4) >> 8) & 0xFF);
- //change MSB and LSB because of different endian.
- PPPMSG_req.len = 0;
- PPPMSG_req.len = ((acknak_idx+6) & 0xFF) << 8;
- PPPMSG_req.len |= (((acknak_idx+6) >> 8) & 0xFF);
-
- ppp_send();
- if(ppp_code == 0x01) pppoe_control_flag = pppoe_control_flag | FLAG_IPCP_CR_RCV;
- else pppoe_control_flag = pppoe_control_flag | FLAG_IPCP_NAK_RCV;
- }
- break;
-
-
- case PPP_CONFIG_REJ : // Reject receive.
-#ifdef __DEF_PPP_DBG1__
- printf("IPCP reject message received!!\r\n");
-#endif
-
- get_protocol_id = buf[23];
- getlen = buf[24];
- getlen = (getlen<<8) + buf[25];
-
- getlen -= 4;
- t_idx = 26;
-
- ip_rjt = 0;
- pdns_rjt =0;
- sdns_rjt = 0;
-
- while (getlen)
- {
- opt_code = buf[t_idx];
- opt_len = buf[t_idx+1];
-
- switch (opt_code)
- {
- //case 0x02 : // type : ip compression protocol
- case 0x03 : // ip address
- ip_rjt = 1;
- break;
- case 0x81 : // PDNS
- pdns_rjt = 1;
- break;
- case 0x83 : // SDNS
- sdns_rjt = 1;
- break;
- default :
- break;
- }
- t_idx += opt_len;
- getlen -= opt_len;
- }
-
- // Configuration send without reject protocol.
-
- //change MSB and LSB because of different endian.
- PPPPROTO.protocol = 0;
- PPPPROTO.protocol = (PPPoE_IPCP & 0xFF) << 8;
- PPPPROTO.protocol |= ((PPPoE_IPCP >> 8) & 0xFF);
-
- PPPPROTO.pcode = PPP_CONFIG_REQ ;
- t_idx = 0;
- if( ip_rjt == 0 )
- {
- PPPPROTO.opt[t_idx++] = 0x03; // option code, IP address
- PPPPROTO.opt[t_idx++] = 0x06; // option len
- PPPPROTO.opt[t_idx++] = 0x00;
- PPPPROTO.opt[t_idx++] = 0x00;
- PPPPROTO.opt[t_idx++] = 0x00;
- PPPPROTO.opt[t_idx++] = 0x00;
- }
-
- if( pdns_rjt == 0 )
- {
- PPPPROTO.opt[t_idx++] = 0x81; // option code, PDNS address
- PPPPROTO.opt[t_idx++] = 0x06; // option len
- PPPPROTO.opt[t_idx++] = 0x00;
- PPPPROTO.opt[t_idx++] = 0x00;
- PPPPROTO.opt[t_idx++] = 0x00;
- PPPPROTO.opt[t_idx++] = 0x00;
- }
-
- if( sdns_rjt == 0 )
- {
- PPPPROTO.opt[t_idx++] = 0x83; // option code, SDNS address
- PPPPROTO.opt[t_idx++] = 0x06; // option len
- PPPPROTO.opt[t_idx++] = 0x00;
- PPPPROTO.opt[t_idx++] = 0x00;
- PPPPROTO.opt[t_idx++] = 0x00;
- PPPPROTO.opt[t_idx++] = 0x00;
- }
-
- PPPPROTO.id = get_protocol_id;
- //change MSB and LSB because of different endian.
- PPPPROTO.len = 0;
- PPPPROTO.len = ((t_idx+4) & 0xFF) << 8;
- PPPPROTO.len |= (((t_idx+4) >> 8) & 0xFF);
- //change MSB and LSB because of different endian.
- PPPMSG_req.len = 0;
- PPPMSG_req.len = ((t_idx+6) & 0xFF) << 8;
- PPPMSG_req.len |= (((t_idx+6) >> 8) & 0xFF);
-
- if( ip_rjt && pdns_rjt && sdns_rjt)
- {
-#ifdef __DEF_PPP_DBG1__
- printf("IPCP session : All IPCP options are rejected!!\r\n");
-#endif
- do_lcp_terminate();
- }
- else
- {
-#ifdef __DEF_PPP_DBG1__
- printf("IPCP configuration request send without reject protocol\r\n");
-#endif
- ppp_send();
- }
-
-
- break;
- case PPP_CONFIG_ACK : // ack, then ipcp_cr_snt flag set
-#ifdef __DEF_PPP_DBG1__
- printf("PPPoE Session IPCP: Configure-Ack received\r\n");
-#endif
- if((pppoe_control_flag & FLAG_IPCP_NAK_RCV) == FLAG_IPCP_NAK_RCV) pppoe_control_flag = pppoe_control_flag | FLAG_IPCP_CR_SNT;
- break;
- }
- }
- break;
- default:
- break;
- }
- }
-}
-
-
-
-void PPPOEClient::do_discovery(void)
-{
- uint16_t i = 0;
- uint8_t mac[6] = {0,};
- //getSHAR(mac);
- eth->getSHAR(mac);
-
- // PPPoE Frame
- for(i = 0; i < 6; i++)
- {
- PPPMSG_req.dst_mac[i] = 0xFF; // Broadcast MAC address
- PPPMSG_req.src_mac[i] = mac[i]; // Source MAC address
- //-- Opt. Device MAC Address
- PPPPROTO.opt[10+i] = mac[i];
- }
- //Reset control flag.
- pppoe_control_flag = 0;
-
- //change MSB and LSB because of different endian.
- PPPMSG_req.ether_type = 0;
- PPPMSG_req.ether_type = (PPPoE_DISCOVERY & 0xFF) << 8;//session data
- PPPMSG_req.ether_type |= ((PPPoE_DISCOVERY >> 8) & 0xFF);//session data
-
- PPPMSG_req.version_type = PPPoE_VER_TYPE; // Ver : 0001, Type : 0001
- PPPMSG_req.frame_code = PPPoE_PADI; // PADI
-
- PPPMSG_req.session_id = 0;
-
-
- // Tag name : PPPoED_SERVICE_NAME
- PPPPROTO.opt[0] = 0x01;
- PPPPROTO.opt[1] = 0x01;
- // Tag len
- PPPPROTO.opt[2] = 0x00;
- PPPPROTO.opt[3] = 0x00;
-
- // Tag name : PPPoED_HOST_UNIQ
- PPPPROTO.opt[4] = 0x01;
- PPPPROTO.opt[5] = 0x03;
- // Tag len (2bytes)
- PPPPROTO.opt[6] = 0x00;
- PPPPROTO.opt[7] = 0x08;
- // Fill the Host-Uniq field using MAC address
- PPPPROTO.opt[8] = 0x00;
- PPPPROTO.opt[9] = 0x00;
- //PPPPROTO.opt[10~15] refer to "//-- Opt. Device MAC Address"
-
- //change MSB and LSB because of different endian.
- PPPMSG_req.len = 0;
- PPPMSG_req.len = (16 & 0xFF) << 8;
- PPPMSG_req.len |= ((16 >> 8) & 0xFF);//size of opt[0-9]+ opt[10-15]
-
-#ifdef __DEF_PPP_DBG1__
- printf("PPPoE Discovery : PADI send\r\n");
-#endif
- ppp_send();
-
-}
-
-void PPPOEClient::do_lcp(void)
-{
-
- //change MSB and LSB because of different endian.
- PPPMSG_req.ether_type = 0;
- PPPMSG_req.ether_type = (PPPoE_SESSION & 0xFF) << 8;
- PPPMSG_req.ether_type |= ((PPPoE_SESSION >> 8) & 0xFF);//session data
-
- PPPMSG_req.frame_code = 0x00; //session data
- //change MSB and LSB because of different endian.
- PPPMSG_req.session_id = 0;
- PPPMSG_req.session_id = (NAS_sessionid & 0xFF) << 8;
- PPPMSG_req.session_id |= ((NAS_sessionid >> 8) & 0xFF);//session data
-
- //change MSB and LSB because of different endian.
- PPPPROTO.protocol = 0;
- PPPPROTO.protocol = (PPPoE_LCP & 0xFF) << 8;
- PPPPROTO.protocol |= ((PPPoE_LCP >> 8) & 0xFF);
-
-
- PPPPROTO.pcode = PPP_CONFIG_REQ; // CR
-
- PPPPROTO.opt[0] = 0x05;
- PPPPROTO.opt[1] = 0x06;
- PPPPROTO.opt[2] = 0x00;
- PPPPROTO.opt[3] = 0x01;
- PPPPROTO.opt[4] = 0x02;
- PPPPROTO.opt[5] = 0x03;
-
- PPPPROTO.id = protocol_id++;
- //change MSB and LSB because of different endian.
- PPPPROTO.len = 0;
- PPPPROTO.len = (10 & 0xFF) << 8;
- PPPPROTO.len |= ((10 >> 8) & 0xFF);
-
- //change MSB and LSB because of different endian.
- PPPMSG_req.len = 0;
- PPPMSG_req.len = (12 & 0xFF) << 8;
- PPPMSG_req.len |= ((12 >> 8) & 0xFF);
-
-#ifdef __DEF_PPP_DBG1__
- printf("LCP configuration Request send\r\n");
-#endif
- ppp_send();
-
-}
-
-void PPPOEClient::do_lcp_echo(void)
-{
-
- //change MSB and LSB because of different endian.
- PPPMSG_req.ether_type = 0;
- PPPMSG_req.ether_type = (PPPoE_SESSION & 0xFF) << 8;
- PPPMSG_req.ether_type |= ((PPPoE_SESSION >> 8) & 0xFF);// session
-
- PPPMSG_req.frame_code = 0x00; // session data
- //change MSB and LSB because of different endian.
- PPPMSG_req.session_id = 0;
- PPPMSG_req.session_id = (NAS_sessionid & 0xFF) << 8;
- PPPMSG_req.session_id |= ((NAS_sessionid >> 8) & 0xFF);// session id
-
- //change MSB and LSB because of different endian.
- PPPPROTO.protocol = 0;
- PPPPROTO.protocol = (PPPoE_LCP & 0xFF) << 8;
- PPPPROTO.protocol |= ((PPPoE_LCP >> 8) & 0xFF);
-
- PPPPROTO.pcode = PPP_ECHO_REQ; // Echo-Requset
-
- PPPPROTO.opt[0] = 0x00; // Magic number
- PPPPROTO.opt[1] = 0x01;
- PPPPROTO.opt[2] = 0x02;
- PPPPROTO.opt[3] = 0x03;
-
- PPPPROTO.id = protocol_id++;
- //change MSB and LSB because of different endian.
- PPPPROTO.len = 0;
- PPPPROTO.len = (8 & 0xFF) << 8;
- PPPPROTO.len |= ((8 >> 8) & 0xFF);
- //change MSB and LSB because of different endian.
- PPPMSG_req.len = 0;
- PPPMSG_req.len = (10 & 0xFF) << 8;
- PPPMSG_req.len |= ((10 >> 8) & 0xFF);
-#ifdef __DEF_PPP_DBG1__
- printf("LCP echo request send\r\n");
-#endif
- ppp_send();
-
-}
-
-//return -- 1 : success, 0 : failed
-uint8_t PPPOEClient::do_lcp_terminate(void)
-{
- uint16_t received_len = 0;
- uint8_t sock_num = 0;
-
-
- pppoe_retry_count = 0;
-
- //while( (pppoe_control_flag & FLAG_TERMINATION_ACK_RCV) == 0 )
- while(1)
- {
- //change MSB and LSB because of different endian.
- PPPMSG_req.ether_type = 0;
- PPPMSG_req.ether_type = (PPPoE_SESSION & 0xFF) << 8;
- PPPMSG_req.ether_type |= ((PPPoE_SESSION >> 8) & 0xFF);// session
-
- PPPMSG_req.frame_code = 0x00; // session data
- //change MSB and LSB because of different endian.
- PPPMSG_req.session_id = 0;
- PPPMSG_req.session_id = (NAS_sessionid & 0xFF) << 8;
- PPPMSG_req.session_id |= ((NAS_sessionid >> 8) & 0xFF);
-
- //change MSB and LSB because of different endian.
- PPPPROTO.protocol = 0;
- PPPPROTO.protocol = (PPPoE_LCP & 0xFF) << 8;
- PPPPROTO.protocol |= ((PPPoE_LCP >> 8) & 0xFF);
-
- PPPPROTO.pcode = PPP_TERM_REQ; // Terminate-Requset
-
- PPPPROTO.opt[0] = 0x00; // Magic number
- PPPPROTO.opt[1] = 0x01;
- PPPPROTO.opt[2] = 0x02;
- PPPPROTO.opt[3] = 0x03;
-
- PPPPROTO.id = protocol_id++;
- //change MSB and LSB because of different endian.
- PPPPROTO.len = 0;
- PPPPROTO.len = (8 & 0xFF) << 8;
- PPPPROTO.len |= ((8 >> 8) & 0xFF);
-
- //change MSB and LSB because of different endian.
- PPPMSG_req.len = 0;
- PPPMSG_req.len = (10 & 0xFF) << 8;
- PPPMSG_req.len |= ((10 >> 8) & 0xFF);
-
-
-#ifdef __DEF_PPP_DBG1__
- printf("Termination Request send\r\n");
-#endif
- ppp_send();
- pppoe_retry_count++;
-
-
- if(pppoe_retry_count > PPP_MAX_RETRY_COUNT)
- {
- printf("Termination Failed\r\n");
- return 0;//termination fail
- }
-
-
- pppoe_recv_count = 0;
- while((pppoe_control_flag & FLAG_TERMINATION_ACK_RCV) == 0 && pppoe_recv_count < PPP_MAX_RETRYRECV_COUNT)
- {
- wait(0.4);
- pppoe_recv_count ++;
-
-
- received_len = eth->getSn_RX_RSR(sock_num);
-
- if(received_len > 0)
- {
- ppp_recv(received_len);
- if((pppoe_control_flag & FLAG_TERMINATION_ACK_RCV) == FLAG_TERMINATION_ACK_RCV) // Termination success
- {
- pppoe_state = PPPoE_FAILED;
-
- // Flags reset
- pppoe_control_flag = 0;
- // Clear Session ID for new PPPoE Discovery process
- NAS_sessionid = 0;
-
- NAS_mac[0] = 0;
- NAS_mac[1] = 0;
- NAS_mac[2] = 0;
- NAS_mac[3] = 0;
- NAS_mac[4] = 0;
- NAS_mac[5] = 0;
-
- pppoe_ip[0] = 0;
- pppoe_ip[1] = 0;
- pppoe_ip[2] = 0;
- pppoe_ip[3] = 0;
-
- printf("Termination completed\r\n");
- return 1;//termination success
- }
- }
- }
-
- }
-
-}
-
-
-void PPPOEClient::do_pap(void)
-{
-
- uint16_t i=0, j=0;
-
- //change MSB and LSB because of different endian.
- PPPPROTO.protocol = 0;
- PPPPROTO.protocol = (PPPoE_PAP & 0xFF) << 8;
- PPPPROTO.protocol |= ((PPPoE_PAP >> 8) & 0xFF);
-
- PPPPROTO.pcode = PPP_CONFIG_REQ; // cr
- PPPPROTO.opt[i++] = pppoe_id_len;
-
- for(j = 0; j < pppoe_id_len; j++)
- {
- PPPPROTO.opt[i++] = pppoe_id[j];
- }
-
- PPPPROTO.opt[i++] = pppoe_pw_len;
- for(j = 0; j < pppoe_pw_len; j++)
- {
- PPPPROTO.opt[i++] = pppoe_pw[j];
- }
-
- PPPPROTO.id = protocol_id++;
- //change MSB and LSB because of different endian.
- PPPPROTO.len = 0;
- PPPPROTO.len = ((i+4) & 0xFF) << 8;
- PPPPROTO.len |= (((i+4) >> 8) & 0xFF);
- //change MSB and LSB because of different endian.
- PPPMSG_req.len = 0;
- PPPMSG_req.len = (((i+4)+2) & 0xFF) << 8;
- PPPMSG_req.len |= ((((i+4)+2) >> 8) & 0xFF);
-
-#ifdef __DEF_PPP_DBG1__
- printf("PAP authenticate-Request send\r\n");
-#endif
-
- ppp_send();
-
-}
-
-void PPPOEClient::do_ipcp(void)
-{
-
- //change MSB and LSB because of different endian.
- PPPPROTO.protocol = 0;
- PPPPROTO.protocol = (PPPoE_IPCP & 0xFF) << 8;
- PPPPROTO.protocol |= ((PPPoE_IPCP >> 8) & 0xFF);
-
- PPPPROTO.pcode = PPP_CONFIG_REQ; // configuration-req
-
- PPPPROTO.opt[0] = 0x03; // option code, IP address
- PPPPROTO.opt[1] = 0x06; // option len
- PPPPROTO.opt[2] = 0x00;
- PPPPROTO.opt[3] = 0x00;
- PPPPROTO.opt[4] = 0x00;
- PPPPROTO.opt[5] = 0x00;
- //Option PDNS
- PPPPROTO.opt[6] = 0x81; //op code, PDNS
- PPPPROTO.opt[7] = 0x06; //option len
- PPPPROTO.opt[8] = 0x00;
- PPPPROTO.opt[9] = 0x00;
- PPPPROTO.opt[10] = 0x00;
- PPPPROTO.opt[11] = 0x00;
- //Option SDNS
- PPPPROTO.opt[12] = 0x83; //op code, SDNS
- PPPPROTO.opt[13] = 0x06; //option len
- PPPPROTO.opt[14] = 0x00;
- PPPPROTO.opt[15] = 0x00;
- PPPPROTO.opt[16] = 0x00;
- PPPPROTO.opt[17] = 0x00;
-
-
- PPPPROTO.id = protocol_id++;
-
- //change MSB and LSB because of different endian.
- /*
- PPPPROTO.len = 0;
- PPPPROTO.len = (10 & 0xFF) << 8;
- PPPPROTO.len |= ((10 >> 8) & 0xFF);
-
- //change MSB and LSB because of different endian.
- PPPMSG_req.len = 0;
- PPPMSG_req.len = (12 & 0xFF) << 8;
- PPPMSG_req.len |= ((12 >> 8) & 0xFF);
- */
- PPPPROTO.len = 0;
- PPPPROTO.len = (22 & 0xFF) << 8;
- PPPPROTO.len |= ((22 >> 8) & 0xFF);
-
- //change MSB and LSB because of different endian.
- PPPMSG_req.len = 0;
- PPPMSG_req.len = (24 & 0xFF) << 8;
- PPPMSG_req.len |= ((24 >> 8) & 0xFF);
-#ifdef __DEF_PPP_DBG1__
- printf("IPCP Configuration request send\r\n");
-#endif
-
- ppp_send();
-
-}
-
-
-
-// PPPoE start
-//ret = Success : 1, Fail : 0, continue : 2
-uint8_t PPPOEClient::ppp_start(uint8_t * pppoe_buf)
-{
- uint8_t sock_num;
- uint8_t mFlag;
- uint16_t dummyPort;
- uint8_t ret = 2;
- uint16_t received_len = 0;
-
- buf = pppoe_buf;
- //-- Init. param
- sock_num = 0;
- dummyPort = 0;
- mFlag = 0x80; //MAC filter enable in MACRAW
-
-
- switch(eth->getSn_SR(sock_num))
- {
- case WIZnet_Chip::SOCK_CLOSED:
- eth->close(sock_num); // Close the SOCKET
- eth->Socket_macraw(sock_num, dummyPort, mFlag); // Open the SOCKET with MACRAW mode
-#ifdef __DEF_PPP_DBG1__
- printf("No.%d socket is opened with MACRAW and flag is 0x%2x\r\n", sock_num, mFlag);
-#endif
-#ifdef __DEF_PPP_DBG__
- printf("\r\n=======================================\r\n");
- printf("PHASE 0. PPPoE setup\r\n");
- printf("=======================================\r\n");
-#endif
- break;
-
- case SOCK_MACRAW:
-
- if(pppoe_retry_send_count > PPP_MAX_RETRYSEND_COUNT) pppoe_state = PPPoE_FAILED;
-
- switch(pppoe_state)
- {
- case PPPoE_DISCOVERY : // Discovery
- // PPPoE Discoveryecv(
- //if((pppoe_control_flag & FLAG_DISCOVERY_RCV_PADO) == 0)
- if((pppoe_control_flag & FLAG_DISCOVERY_RCV_PADO) == 0 || (pppoe_control_flag & FLAG_DISCOVERY_RCV_PADS) == 0) //Not recv PADO or PADS
- {
-#ifdef __DEF_PPP_DBG__
- printf("\r\n=======================================\r\n");
- printf("PHASE 1. PPPoE Discovery\r\n");
- printf("=======================================\r\n");
-#endif
-#ifdef __DEF_PPP_DBG1__
- printf("Retry send count : %d\r\n", pppoe_retry_send_count);
-#endif
- do_discovery(); // Send PADI
- pppoe_retry_send_count++;
- }
-
- pppoe_recv_count = 0;
- while((pppoe_control_flag & FLAG_DISCOVERY_RCV_PADS) == 0 && pppoe_recv_count < (PPP_MAX_RETRYRECV_COUNT) * 2)
- {
- wait(0.2);
- pppoe_recv_count ++;
-
- received_len = eth->getSn_RX_RSR(sock_num);
-
- if(received_len > 0)
- {
- ppp_recv(received_len);
-
-
- if((pppoe_control_flag & FLAG_DISCOVERY_RCV_PADS) == FLAG_DISCOVERY_RCV_PADS)// Discovery success
- {
- pppoe_state = PPPoE_LCP;
- pppoe_retry_send_count = 0;//reset
- }
- }
- }
-
- break;
-
- case PPPoE_LCP : // LCP
- if((pppoe_control_flag & FLAG_LCP_CR_RCV) == 0)
- {
-#ifdef __DEF_PPP_DBG__
- printf("\r\n=======================================\r\n");
- printf("PHASE 2. PPPoE LCP\r\n");
- printf("=======================================\r\n");
-#endif
- do_lcp_echo();
-
-#ifdef __DEF_PPP_DBG1__
- printf("Retry send count : %d\r\n", pppoe_retry_send_count);
-#endif
- pppoe_retry_send_count++;
- }
-
- pppoe_recv_count = 0;
- while((pppoe_control_flag & FLAG_LCP_CR_RCV) == 0 && pppoe_recv_count < PPP_MAX_RETRYRECV_COUNT)
- {
- wait(0.2);
- pppoe_recv_count++;
-
- received_len = eth->getSn_RX_RSR(sock_num);
- if(received_len > 0)
- {
- ppp_recv(received_len);
- if((pppoe_control_flag & FLAG_LCP_CR_RCV) == FLAG_LCP_CR_RCV) pppoe_retry_send_count = 0;//reset
- }
- }
-
-
- if((pppoe_control_flag & FLAG_LCP_CR_RCV) == FLAG_LCP_CR_RCV)
- {
- do_lcp();
-
-#ifdef __DEF_PPP_DBG1__
- printf("Retry send count : %d\r\n", pppoe_retry_send_count);
-#endif
- pppoe_retry_send_count++;
-
- pppoe_recv_count = 0;
- while((pppoe_control_flag & FLAG_LCP_CR_SNT) == 0 && pppoe_recv_count < PPP_MAX_RETRYRECV_COUNT)
- {
- wait(0.2);
- pppoe_recv_count++;
-
- received_len = eth->getSn_RX_RSR(sock_num);
- if(received_len > 0)
- {
- ppp_recv(received_len);
- if((pppoe_control_flag & FLAG_LCP_CR_SNT) == FLAG_LCP_CR_SNT)
- {
- // PAP
- if(auth_protocol == PPPoE_PAP)
- {
- pppoe_state = PPPoE_PAP;
- pppoe_retry_send_count = 0;//reset
- }
- // CHAP
- else if(auth_protocol == PPPoE_CHAP)
- {
- pppoe_state = PPPoE_CHAP;
- pppoe_retry_send_count = 0;//reset
- }
- // unknown auth protocol
- else
- {
-#ifdef __DEF_PPP_DBG1__
- printf("\r\nError : Unknown authentication protocol");
-#endif
- pppoe_state = PPPoE_FAILED;
- }
-
- }
- }
- }
- }
- break;
-
- case PPPoE_PAP : // PAP
-#ifdef __DEF_PPP_DBG__
- printf("\r\n=======================================\r\n");
- printf("PHASE 3. PPPoE PAP\r\n");
- printf("=======================================\r\n");
-#endif
-
-
- if((pppoe_control_flag & FLAG_PAP_ACK_RCV) == 0 )
- {
- do_pap();
- pppoe_retry_send_count++;
-#ifdef __DEF_PPP_DBG1__
- printf("Retry send count : %d\r\n", pppoe_retry_send_count );
-#endif
- }
-
- pppoe_recv_count = 0;
- while((pppoe_control_flag & FLAG_PAP_ACK_RCV) == 0 && pppoe_recv_count < PPP_MAX_RETRYRECV_COUNT)
- {
- wait(0.4);
- pppoe_recv_count++;
-
- received_len = eth->getSn_RX_RSR(sock_num);
- if(received_len > 0)
- {
- ppp_recv(received_len);
-
- if((pppoe_control_flag & FLAG_PAP_ACK_RCV) == FLAG_PAP_ACK_RCV)// pap auth success
- {
- pppoe_state = PPPoE_IPCP;
- pppoe_retry_send_count = 0;//reset
- }
- }
- }
- break;
-
- case PPPoE_CHAP : // CHAP
-#ifdef __DEF_PPP_DBG__
- printf("\r\n=======================================\r\n");
- printf("PHASE 3. PPPoE CHAP\r\n");
- printf("=======================================\r\n");
-#endif
-
-
- pppoe_recv_count = 0;
- while((pppoe_control_flag & FLAG_CHAP_SUC_RCV) == 0 && pppoe_recv_count < 50)
- {
- wait(0.4);
- pppoe_recv_count++;
-
- printf("test\r\n");
-
- received_len = eth->getSn_RX_RSR(sock_num);
- if(received_len > 0)
- {
- ppp_recv(received_len);
-
- if((pppoe_control_flag & FLAG_CHAP_SUC_RCV) == FLAG_CHAP_SUC_RCV)
- {
- pppoe_state = PPPoE_IPCP;
- }
-
- if((pppoe_control_flag & FLAG_TERMINATION_REQ_RCV) == FLAG_TERMINATION_REQ_RCV)
- {
- pppoe_state = PPPoE_FAILED;
-
- break;
- }
- }
- }
-
- if( pppoe_recv_count >= 50)
- {
- if(do_lcp_terminate() == 0) //if termination is failed.
- return 0;
- }
-
- break;
-
- case PPPoE_IPCP : // IPCP
-#ifdef __DEF_PPP_DBG__
- printf("\r\n=======================================\r\n");
- printf("PHASE 4. PPPoE IPCP\r\n");
- printf("=======================================\r\n");
-#endif
-
- pppoe_recv_count = 0;
- while((pppoe_control_flag & FLAG_IPCP_CR_RCV) == 0 && pppoe_recv_count < PPP_MAX_RETRYRECV_COUNT)
- {
- wait(1);
- pppoe_recv_count++;
-
- received_len = eth->getSn_RX_RSR(sock_num);
- if(received_len > 0)
- {
- ppp_recv(received_len);
-
- if((pppoe_control_flag & FLAG_IPCP_CR_RCV) == FLAG_IPCP_CR_RCV) pppoe_retry_send_count = 0;//reset
-
- }
-
- }
- // After received IPCP Configuration-Request and sent ACK,
- // User device have to send IPCP Configuration-Request and receive ACK.
- if((pppoe_control_flag & FLAG_IPCP_CR_RCV) == FLAG_IPCP_CR_RCV)
- {
- do_ipcp();
- pppoe_retry_send_count++;
-
- pppoe_recv_count = 0;
- while((pppoe_control_flag & FLAG_IPCP_CR_SNT) == 0 && pppoe_recv_count < PPP_MAX_RETRYRECV_COUNT)
- {
- wait(1);
- pppoe_recv_count++;
-
- received_len = eth->getSn_RX_RSR(sock_num);
- if(received_len > 0)
- {
- ppp_recv(received_len);
-
- if((pppoe_control_flag & FLAG_IPCP_CR_SNT) == FLAG_IPCP_CR_SNT)
- {
- pppoe_retry_send_count = 0;//reset
-#ifdef __DEF_PPP_DBG__
- printf("\r\n=======================================\r\n");
- printf("PHASE 5. PPPoE Socket open\r\n");
- printf("=======================================\r\n");
-#endif
- set_pppinfo(NAS_mac, pppoe_ip, NAS_sessionid);
- ret = PPP_SUCCESS;
- }
- else if( (pppoe_control_flag & FLAG_TERMINATION_ACK_RCV) == FLAG_TERMINATION_ACK_RCV)
- {
- return 0;
- }
- else if( (pppoe_control_flag & FLAG_TERMINATION_REQ_RCV) == FLAG_TERMINATION_REQ_RCV)
- {
- return 0;
- }
- }
- }
- }
- break;
-
- case PPPoE_FAILED :
- pppoe_retry_count++;
-#ifdef __DEF_PPP_DBG__
- printf("\r\nPPPoE FAILED !!!\r\n");
-#endif
-#ifdef __DEF_PPP_DBG1__
- printf("Retry count : %d\r\n", pppoe_retry_count);
-#endif
- // All flags reset
- pppoe_control_flag = 0;
-
- // Clear Session ID for new PPPoE Discovery process
- //NAS_sessionid = 0;
-
- pppoe_retry_send_count = 0;
- pppoe_state = PPPoE_DISCOVERY;
-
- break;
-
-
- default :
-#ifdef __DEF_PPP_DBG__
- printf("\r\nUndefined state!\r\n");
-#endif
- pppoe_state = PPPoE_FAILED;
- break;
- }
-
- // PPPoE packet send count over : connection terminate
- if(pppoe_retry_send_count >= PPP_MAX_RETRYSEND_COUNT) pppoe_state = PPPoE_FAILED;
- break;
-
- default:
- break;
- }
- return ret;
-}
-/*
-void PPPOEClient::delay_ms(uint32_t time)
-{
- uint32_t i;
-
- for(i=0; i<time; i++)
- {
- xSysCtlDelay((xSysCtlClockGet()/1000)); // wait 1ms
- }
-}
-*/
\ No newline at end of file