/**************************************************************************** * netutils/pppd/ppp.h * PPP header file * * Version: 0.1 Original Version June 3, 2000 * (c)2000 Mycal Labs, All Rights Reserved * Copyright (c) 2003, Mike Johnson, Mycal Labs, www.mycal.net * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Mike Johnson/Mycal Labs * www.mycal.net. * 4. The name of the author may not be used to endorse or promote * products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************/ #ifndef __APPS_NETUTILS_PPPD_PPP_H #define __APPS_NETUTILS_PPPD_PPP_H /**************************************************************************** * Included Files ****************************************************************************/ #include "ppp_conf.h" #include "ahdlc.h" #include "lcp.h" #include "ipcp.h" #include "pap.h" #include "ppp_arch.h" /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ #define CRC_GOOD_VALUE 0xf0b8 /* ppp_rx_status values */ #define PPP_RX_IDLE 0 #define PPP_READY 1 /* ppp flags */ #define PPP_ESCAPED 0x1 #define PPP_RX_READY 0x2 #define PPP_RX_ASYNC_MAP 0x8 #define PPP_TX_ASYNC_MAP 0x8 #define PPP_PFC 0x10 #define PPP_ACFC 0x20 /* Supported PPP Protocols */ #define LCP 0xc021 #define PAP 0xc023 #define IPCP 0x8021 #define IPV4 0x0021 /* LCP codes packet types */ #define CONF_REQ 0x1 #define CONF_ACK 0x2 #define CONF_NAK 0x3 #define CONF_REJ 0x4 #define TERM_REQ 0x5 #define TERM_ACK 0x6 #define PROT_REJ 0x8 #define ECHO_REQ 0x9 #define ECHO_REP 0xa /* Raise PPP config bits */ #define USE_PAP 0x1 #define USE_NOACCMBUG 0x2 #define USE_GETDNS 0x4 #define ppp_setusername(un) strncpy(pap_username, (un), PAP_USERNAME_SIZE) #define ppp_setpassword(pw) strncpy(pap_password, (pw), PAP_PASSWORD_SIZE) /**************************************************************************** * Public Types ****************************************************************************/ struct chat_script_s; /* PPP context definition */ struct ppp_context_s { /* IP Buffer */ u8_t ip_buf[PPP_RX_BUFFER_SIZE]; u16_t ip_len; /* Main status */ u8_t ppp_flags; u8_t ppp_status; u16_t ppp_tx_mru; u8_t ppp_id; /* IP timeout */ u16_t ip_no_data_time; /* Interfaces */ int tty_fd; u8_t ttyname[TTYNAMSIZ]; int if_fd; u8_t ifname[IFNAMSIZ]; /* Addresses */ struct in_addr local_ip; #ifdef IPCP_GET_PEER_IP struct in_addr peer_ip; #endif #ifdef IPCP_GET_PRI_DNS struct in_addr pri_dns_addr; #endif #ifdef IPCP_GET_SEC_DNS struct in_addr sec_dns_addr; #endif /* LCP */ u8_t lcp_state; u16_t lcp_tx_mru; u8_t lcp_retry; time_t lcp_prev_seconds; /* PAP */ u8_t pap_username[PAP_USERNAME_SIZE]; u8_t pap_password[PAP_PASSWORD_SIZE]; u8_t pap_state; u8_t pap_retry; time_t pap_prev_seconds; /* IPCP */ u8_t ipcp_state; u8_t ipcp_retry; time_t ipcp_prev_seconds; /* AHDLC */ u8_t ahdlc_rx_buffer[PPP_RX_BUFFER_SIZE]; u16_t ahdlc_tx_crc; /* running tx CRC */ u16_t ahdlc_rx_crc; /* running rx CRC */ u16_t ahdlc_rx_count; /* number of rx bytes processed, cur frame */ u8_t ahdlc_flags; /* ahdlc state flags, see above */ u8_t ahdlc_tx_offline; /* Scripts */ struct chat_script_s *connect_script; struct chat_script_s *disconnect_script; /* Statistics counters */ #ifdef PPP_STATISTICS u16_t ahdlc_crc_error; u16_t ahdlc_rx_tobig_error; u32_t ppp_rx_frame_count; u32_t ppp_tx_frame_count; #endif }; /**************************************************************************** * Public Function Prototypes ****************************************************************************/ #undef EXTERN #if defined(__cplusplus) #define EXTERN extern "C" extern "C" { #else #define EXTERN extern #endif /* * Function Prototypes */ void ppp_init(struct ppp_context_s *ctx); void ppp_connect(struct ppp_context_s *ctx); extern void ppp_reconnect(struct ppp_context_s *ctx); void ppp_send(struct ppp_context_s *ctx); void ppp_poll(struct ppp_context_s *ctx); void ppp_upcall(struct ppp_context_s *ctx, u16_t, u8_t *, u16_t); u16_t scan_packet(struct ppp_context_s *ctx, u16_t, const u8_t *list, u8_t *buffer, u8_t *options, u16_t len); #undef EXTERN #ifdef __cplusplus } #endif #endif /* __APPS_NETUTILS_PPPD_PPP_H */