Generic PPP Finite State Machine. More...

#include <ppp.h>

Data Fields
struct k_work_delayable	timer
	Timeout timer.

struct {
int(* config_info_ack )(struct ppp_fsm fsm, struct net_pkt pkt, uint16_t length)
	Acknowledge Configuration Information. More...

struct net_pkt ( config_info_add )(struct ppp_fsm *fsm)
	Add Configuration Information. More...

int(* config_info_len )(struct ppp_fsm *fsm)
	Length of Configuration Information. More...

int(* config_info_nack )(struct ppp_fsm fsm, struct net_pkt pkt, uint16_t length, bool rejected)
	Negative Acknowledge Configuration Information. More...

int(* config_info_req )(struct ppp_fsm fsm, struct net_pkt pkt, uint16_t length, struct net_pkt *ret_pkt)
	Request peer's Configuration Information. More...

int(* config_info_rej )(struct ppp_fsm fsm, struct net_pkt pkt, uint16_t length)
	Reject Configuration Information. More...

void(* config_info_reset )(struct ppp_fsm *fsm)
	Reset Configuration Information. More...

void(* up )(struct ppp_fsm *fsm)
	FSM goes to OPENED state. More...

void(* down )(struct ppp_fsm *fsm)
	FSM leaves OPENED state. More...

void(* starting )(struct ppp_fsm *fsm)
	Starting this protocol. More...

void(* finished )(struct ppp_fsm *fsm)
	Quitting this protocol. More...

void(* proto_reject )(struct ppp_fsm *fsm)
	We received Protocol-Reject. More...

void(* retransmit )(struct ppp_fsm *fsm)
	Retransmit. More...

enum net_verdict(* proto_extension )(struct ppp_fsm fsm, enum ppp_packet_type code, uint8_t id, struct net_pkt pkt)
	Any code that is not understood by PPP is passed to this FSM for further processing. More...

}	cb

struct {
const struct ppp_my_option_info * info
	Options information. More...

struct ppp_my_option_data * data
	Options negotiation data. More...

size_t count
	Number of negotiated options. More...

}	my_options

uint32_t	flags
	Option bits.

uint32_t	retransmits
	Number of re-transmissions left.

uint32_t	nack_loops
	Number of NACK loops since last ACK.

uint32_t	recv_nack_loops
	Number of NACKs received.

char	terminate_reason [32]
	Reason for closing protocol.

uint16_t	protocol
	PPP protocol number for this FSM.

enum ppp_state	state
	Current state of PPP link.

const char *	name
	Protocol/layer name of this FSM (for debugging)

uint8_t	id
	Current id.

uint8_t	req_id
	Current request id.

uint8_t	ack_received: 1
	Have received valid Ack, Nack or Reject to a Request.

Detailed Description

Generic PPP Finite State Machine.

Field Documentation

◆ ack_received

uint8_t ppp_fsm::ack_received

Have received valid Ack, Nack or Reject to a Request.

◆

struct { ... } ppp_fsm::cb

◆ config_info_ack

int(* ppp_fsm::config_info_ack) (struct ppp_fsm *fsm, struct net_pkt *pkt, uint16_t length)

Acknowledge Configuration Information.

◆ config_info_add

struct net_pkt *(* ppp_fsm::config_info_add) (struct ppp_fsm *fsm)

Add Configuration Information.

◆ config_info_len

int(* ppp_fsm::config_info_len) (struct ppp_fsm *fsm)

Length of Configuration Information.

◆ config_info_nack

int(* ppp_fsm::config_info_nack) (struct ppp_fsm *fsm, struct net_pkt *pkt, uint16_t length, bool rejected)

Negative Acknowledge Configuration Information.

◆ config_info_rej

int(* ppp_fsm::config_info_rej) (struct ppp_fsm *fsm, struct net_pkt *pkt, uint16_t length)

Reject Configuration Information.

◆ config_info_req

int(* ppp_fsm::config_info_req) (struct ppp_fsm *fsm, struct net_pkt *pkt, uint16_t length, struct net_pkt *ret_pkt)

Request peer's Configuration Information.

◆ config_info_reset

void(* ppp_fsm::config_info_reset) (struct ppp_fsm *fsm)

Reset Configuration Information.

◆ count

size_t ppp_fsm::count

Number of negotiated options.

◆ data

struct ppp_my_option_data* ppp_fsm::data

Options negotiation data.

◆ down

void(* ppp_fsm::down) (struct ppp_fsm *fsm)

FSM leaves OPENED state.

◆ finished

void(* ppp_fsm::finished) (struct ppp_fsm *fsm)

Quitting this protocol.

◆ flags

uint32_t ppp_fsm::flags

Option bits.

◆ id

uint8_t ppp_fsm::id

Current id.

◆ info

const struct ppp_my_option_info* ppp_fsm::info

Options information.

◆

struct { ... } ppp_fsm::my_options

◆ nack_loops

uint32_t ppp_fsm::nack_loops

Number of NACK loops since last ACK.

◆ name

const char* ppp_fsm::name

Protocol/layer name of this FSM (for debugging)

◆ proto_extension

enum net_verdict(* ppp_fsm::proto_extension) (struct ppp_fsm *fsm, enum ppp_packet_type code, uint8_t id, struct net_pkt *pkt)

Any code that is not understood by PPP is passed to this FSM for further processing.

◆ proto_reject

void(* ppp_fsm::proto_reject) (struct ppp_fsm *fsm)

We received Protocol-Reject.

◆ protocol

uint16_t ppp_fsm::protocol

PPP protocol number for this FSM.

◆ recv_nack_loops

uint32_t ppp_fsm::recv_nack_loops

Number of NACKs received.

◆ req_id

uint8_t ppp_fsm::req_id

Current request id.

◆ retransmit

void(* ppp_fsm::retransmit) (struct ppp_fsm *fsm)

Retransmit.

◆ retransmits

uint32_t ppp_fsm::retransmits

Number of re-transmissions left.

◆ starting

void(* ppp_fsm::starting) (struct ppp_fsm *fsm)

Starting this protocol.

◆ state

enum ppp_state ppp_fsm::state

Current state of PPP link.

◆ terminate_reason

char ppp_fsm::terminate_reason[32]

Reason for closing protocol.

◆ timer

struct k_work_delayable ppp_fsm::timer

Timeout timer.

◆ up

void(* ppp_fsm::up) (struct ppp_fsm *fsm)

FSM goes to OPENED state.

The documentation for this struct was generated from the following file:

zephyr/net/ppp.h

Data Fields