diff options
Diffstat (limited to 'accel-pppd/ppp/ppp_lcp.h')
| -rw-r--r-- | accel-pppd/ppp/ppp_lcp.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/accel-pppd/ppp/ppp_lcp.h b/accel-pppd/ppp/ppp_lcp.h new file mode 100644 index 0000000..6d67b69 --- /dev/null +++ b/accel-pppd/ppp/ppp_lcp.h @@ -0,0 +1,136 @@ +#ifndef PPP_LCP_H +#define PPP_LCP_H + +#include <stdint.h> + +#include "triton.h" +#include "ppp_fsm.h" +/* + * Options. + */ +#define CI_VENDOR 0 /* Vendor Specific */ +#define CI_MRU 1 /* Maximum Receive Unit */ +#define CI_ASYNCMAP 2 /* Async Control Character Map */ +#define CI_AUTH 3 /* Authentication Type */ +#define CI_QUALITY 4 /* Quality Protocol */ +#define CI_MAGIC 5 /* Magic Number */ +#define CI_PCOMP 7 /* Protocol Field Compression */ +#define CI_ACCOMP 8 /* Address/Control Field Compression */ +#define CI_FCSALTERN 9 /* FCS-Alternatives */ +#define CI_SDP 10 /* Self-Describing-Pad */ +#define CI_NUMBERED 11 /* Numbered-Mode */ +#define CI_CALLBACK 13 /* callback */ +#define CI_MRRU 17 /* max reconstructed receive unit; multilink */ +#define CI_SSNHF 18 /* short sequence numbers for multilink */ +#define CI_EPDISC 19 /* endpoint discriminator */ +#define CI_MPPLUS 22 /* Multi-Link-Plus-Procedure */ +#define CI_LDISC 23 /* Link-Discriminator */ +#define CI_LCPAUTH 24 /* LCP Authentication */ +#define CI_COBS 25 /* Consistent Overhead Byte Stuffing */ +#define CI_PREFELIS 26 /* Prefix Elision */ +#define CI_MPHDRFMT 27 /* MP Header Format */ +#define CI_I18N 28 /* Internationalization */ +#define CI_SDL 29 /* Simple Data Link */ + +struct lcp_hdr_t +{ + uint16_t proto; + uint8_t code; + uint8_t id; + uint16_t len; +} __attribute__((packed)); +struct lcp_opt_hdr_t +{ + uint8_t id; + uint8_t len; +} __attribute__((packed)); +struct lcp_opt8_t +{ + struct lcp_opt_hdr_t hdr; + uint8_t val; +} __attribute__((packed)); +struct lcp_opt16_t +{ + struct lcp_opt_hdr_t hdr; + uint16_t val; +} __attribute__((packed)); +struct lcp_opt32_t +{ + struct lcp_opt_hdr_t hdr; + uint32_t val; +} __attribute__((packed)); + +/*struct lcp_options_t +{ + int magic; + int mtu; + int 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 + // negotiated options; + int neg_mru; + int neg_mtu; + int neg_accomp; // -1 - rejected + int neg_pcomp; + int neg_auth[AUTH_MAX]; +};*/ + +#define LCP_OPT_NONE 0 +#define LCP_OPT_ACK 1 +#define LCP_OPT_NAK -1 +#define LCP_OPT_REJ -2 +#define LCP_OPT_FAIL -3 + +struct ppp_lcp_t; +struct lcp_option_handler_t; + +struct lcp_option_t +{ + struct list_head entry; + int id; + int len; + int state; + int print:1; + struct lcp_option_handler_t *h; +}; + +struct lcp_option_handler_t +{ + struct list_head entry; + struct lcp_option_t* (*init)(struct ppp_lcp_t*); + int (*send_conf_req)(struct ppp_lcp_t*,struct lcp_option_t*,uint8_t*); + int (*send_conf_rej)(struct ppp_lcp_t*,struct lcp_option_t*,uint8_t*); + int (*send_conf_nak)(struct ppp_lcp_t*,struct lcp_option_t*,uint8_t*); + int (*recv_conf_req)(struct ppp_lcp_t*,struct lcp_option_t*,uint8_t*); + int (*recv_conf_rej)(struct ppp_lcp_t*,struct lcp_option_t*,uint8_t*); + int (*recv_conf_nak)(struct ppp_lcp_t*,struct lcp_option_t*,uint8_t*); + int (*recv_conf_ack)(struct ppp_lcp_t*,struct lcp_option_t*,uint8_t*); + void (*free)(struct ppp_lcp_t*,struct lcp_option_t*); + void (*print)(void (*print)(const char *fmt,...), struct lcp_option_t*,uint8_t*); +}; + +struct ppp_lcp_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 triton_timer_t echo_timer; + int echo_interval; + int echo_failure; + int echo_sent; + int magic; + + struct list_head ropt_list; // last received ConfReq + int ropt_len; + + int conf_req_len; + int started:1; +}; + +int lcp_option_register(struct lcp_option_handler_t *h); + +#endif + |