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#pragma once
#include <osmocom/core/linuxlist.h>
#include <osmocom/core/tdef.h>
#include <osmocom/core/timer.h>
struct fr_network {
struct llist_head links;
unsigned int n391; /* full status polling counter */
unsigned int n392; /* error threshold */
unsigned int n393; /* monitored events count */
struct osmo_tdef *T_defs; /* T391, T392 */
};
struct fr_dlc;
/* Frame Relay Link */
struct fr_link {
/* list in fr_network.links */
struct llist_head list;
struct fr_network *net;
/* value of the last received send sequence number field in the
* link integrity verification information element */
uint8_t last_rx_seq;
/* value of the send sequence number field of the last link
* integrity verification information element sent */
uint8_t last_tx_seq;
struct osmo_timer_list t391;
struct osmo_timer_list t392;
unsigned int polling_count;
unsigned int err_count;
/* list of data link connections at this link */
struct llist_head dlc_list;
int (*unknown_dlc_rx_cb)(struct fr_dlc *dlc, struct msgb *msg);
};
/* Frame Relay Data Link Connection */
struct fr_dlc {
/* entry in fr_link.dlc_list */
struct llist_head list;
struct fr_link *link;
uint16_t dlci;
/* is this DLC marked active for traffic? */
bool active;
/* was this DLC newly added? */
bool new;
/* is this DLC about to be destroyed */
bool del;
int (*rx_cb)(struct fr_dlc *dlc, struct msgb *msg);
};
/* allocate a frame relay network */
struct fr_network *fr_network_alloc(void *ctx);
/* allocate a frame relay link in a given network */
struct fr_link *fr_link_alloc(struct fr_network *net);
/* allocate a data link connectoin on a given framerelay link */
struct fr_dlc *fr_dlc_alloc(struct fr_link *link, uint16_t dlci);
int fr_rx(struct fr_link *link, struct msgb *msg);
extern int fr_tx(struct msgb *msg);
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