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#ifndef PPP_H
#define PPP_H
#include <sys/types.h>
#include "list.h"
/*
* Packet header = Code, id, length.
*/
#define PPP_HEADERLEN 4
#define PPP_MTU 1500
/*
* Timeouts.
*/
#define DEFTIMEOUT 3 /* Timeout time in seconds */
#define DEFMAXTERMREQS 2 /* Maximum Terminate-Request transmissions */
#define DEFMAXCONFREQS 10 /* Maximum Configure-Request transmissions */
#define DEFMAXNAKLOOPS 5 /* Maximum number of nak loops */
/*
* Protocol field values.
*/
#define PPP_IP 0x21 /* Internet Protocol */
#define PPP_AT 0x29 /* AppleTalk Protocol */
#define PPP_IPX 0x2b /* IPX protocol */
#define PPP_VJC_COMP 0x2d /* VJ compressed TCP */
#define PPP_VJC_UNCOMP 0x2f /* VJ uncompressed TCP */
#define PPP_IPV6 0x57 /* Internet Protocol Version 6 */
#define PPP_COMP 0xfd /* compressed packet */
#define PPP_IPCP 0x8021 /* IP Control Protocol */
#define PPP_ATCP 0x8029 /* AppleTalk Control Protocol */
#define PPP_IPXCP 0x802b /* IPX Control Protocol */
#define PPP_IPV6CP 0x8057 /* IPv6 Control Protocol */
#define PPP_CCP 0x80fd /* Compression Control Protocol */
#define PPP_ECP 0x8053 /* Encryption Control Protocol */
#define PPP_LCP 0xc021 /* Link Control Protocol */
#define PPP_PAP 0xc023 /* Password Authentication Protocol */
#define PPP_LQR 0xc025 /* Link Quality Report protocol */
#define PPP_CHAP 0xc223 /* Cryptographic Handshake Auth. Protocol */
#define PPP_CBCP 0xc029 /* Callback Control Protocol */
#define PPP_EAP 0xc227 /* Extensible Authentication Protocol */
#define PPP_LAYER_LCP 1
#define PPP_LAYER_AUTH 2
#define PPP_LAYER_CCP 3
#define PPP_LAYER_IPCP 4
#define AUTH_MAX 3
struct ppp_lcp_t;
struct ppp_t
{
struct triton_md_handler_t *h;
int fd;
int chan_fd;
int unit_fd;
int chan_idx;
int unit_idx;
char *chan_name;
//options
int mtu,mru;
int accomp; // 0 - disabled, 1 - enable, 2 - allow, disabled, 3 - allow,enabled
int pcomp; // 0 - disabled, 1 - enable, 2 - allow, disabled, 3 - allow,enabled
int auth[AUTH_MAX];
//
int log:1;
void *out_buf;
int out_buf_size;
int out_buf_pos;
void *in_buf;
int in_buf_size;
struct list_head handlers;
int cur_layer;
struct ppp_lcp_t *lcp;
};
struct ppp_handler_t
{
struct list_head entry;
int proto;
void (*recv)(struct ppp_handler_t*);
};
struct ppp_t *alloc_ppp(void);
int establish_ppp(struct ppp_t *ppp);
int ppp_send(struct ppp_t *ppp, void *data, int size);
void ppp_init(void);
struct ppp_fsm_t* ppp_lcp_init(struct ppp_t *ppp);
void ppp_layer_started(struct ppp_t *ppp);
void ppp_terminate(struct ppp_t *ppp);
void ppp_register_handler(struct ppp_t*,struct ppp_handler_t*);
void ppp_unregister_handler(struct ppp_t*,struct ppp_handler_t*);
void lcp_start(struct ppp_t*);
void lcp_finish(struct ppp_t*);
int auth_start(struct ppp_t*);
void auth_finish(struct ppp_t*);
int ccp_start(struct ppp_t*);
void ccp_finish(struct ppp_t*);
int ipcp_start(struct ppp_t*);
void ipcp_finish(struct ppp_t*);
#define __init __attribute__((constructor))
#undef offsetof
#ifdef __compiler_offsetof
#define offsetof(TYPE,MEMBER) __compiler_offsetof(TYPE,MEMBER)
#else
#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
#endif
#define container_of(ptr, type, member) ({ \
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
(type *)( (char *)__mptr - offsetof(type,member) );})
#endif
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