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#ifndef PPP_IPCP_H
#define PPP_IPCP_H
#include <stdint.h>
#include "triton/triton.h"
#include "ppp_fsm.h"
/*
* Options.
*/
#define CI_COMP 2 /* IP-Compress-Protocol */
#define CI_ADDR 3 /* IP-Address */
#define CI_DNS1 129 /* Primary-DNS-Address */
#define CI_DNS2 131 /* Secondary-DNS-Address */
struct ipcp_hdr_t
{
uint16_t proto;
uint8_t code;
uint8_t id;
uint16_t len;
} __attribute__((packed));
struct ipcp_opt_hdr_t
{
uint8_t id;
uint8_t len;
} __attribute__((packed));
struct ipcp_opt8_t
{
struct ipcp_opt_hdr_t hdr;
uint8_t val;
} __attribute__((packed));
struct ipcp_opt16_t
{
struct ipcp_opt_hdr_t hdr;
uint16_t val;
} __attribute__((packed));
struct ipcp_opt32_t
{
struct ipcp_opt_hdr_t hdr;
uint32_t val;
} __attribute__((packed));
#define IPCP_OPT_NONE 0
#define IPCP_OPT_ACK 1
#define IPCP_OPT_NAK -1
#define IPCP_OPT_REJ -2
#define IPCP_OPT_FAIL -3
struct ppp_ipcp_t;
struct ipcp_option_handler_t;
struct ipcp_option_t
{
struct list_head entry;
int id;
int len;
int state;
struct ipcp_option_handler_t *h;
};
struct ipcp_option_handler_t
{
struct list_head entry;
struct ipcp_option_t* (*init)(struct ppp_ipcp_t*);
int (*send_conf_req)(struct ppp_ipcp_t*,struct ipcp_option_t*,uint8_t*);
int (*send_conf_rej)(struct ppp_ipcp_t*,struct ipcp_option_t*,uint8_t*);
int (*send_conf_nak)(struct ppp_ipcp_t*,struct ipcp_option_t*,uint8_t*);
int (*recv_conf_req)(struct ppp_ipcp_t*,struct ipcp_option_t*,uint8_t*);
int (*recv_conf_rej)(struct ppp_ipcp_t*,struct ipcp_option_t*,uint8_t*);
int (*recv_conf_nak)(struct ppp_ipcp_t*,struct ipcp_option_t*,uint8_t*);
int (*recv_conf_ack)(struct ppp_ipcp_t*,struct ipcp_option_t*,uint8_t*);
void (*free)(struct ppp_ipcp_t*,struct ipcp_option_t*);
void (*print)(void (*print)(const char *fmt,...), struct ipcp_option_t*,uint8_t*);
};
struct ppp_ipcp_t
{
struct ppp_layer_data_t ld;
struct ppp_handler_t hnd;
struct ppp_fsm_t fsm;
struct ppp_t *ppp;
struct list_head options;
struct list_head ropt_list; // last received ConfReq
int ropt_len;
int conf_req_len;
};
int ipcp_option_register(struct ipcp_option_handler_t *h);
#endif
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