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#ifndef _ABIS_H
#define _ABIS_H
#include <osmocom/core/select.h>
#include <osmocom/core/timer.h>
#include <osmocom/gsm/protocol/ipaccess.h>
#include <osmo-bts/gsm_data.h>
#define OML_RETRY_TIMER 5
#define OML_PING_TIMER 20
struct ipabis_link {
int state;
struct gsm_bts *bts; /* set, if OML link */
struct gsm_bts_trx *trx; /* set, if RSL link */
struct osmo_fd bfd;
struct osmo_timer_list timer;
struct msgb *rx_msg;
struct llist_head tx_queue;
int ping, pong, id_resp;
uint32_t ip;
};
enum {
LINK_STATE_IDLE = 0,
LINK_STATE_RETRYING,
LINK_STATE_CONNECTING,
LINK_STATE_CONNECT,
};
int abis_tx(struct ipabis_link *link, struct msgb *msg);
struct msgb *abis_msgb_alloc(int headroom);
void abis_push_ipa(struct msgb *msg, uint8_t proto);
int abis_open(struct ipabis_link *link, uint32_t ip);
void abis_close(struct ipabis_link *link);
int abis_oml_sendmsg(struct msgb *msg);
int abis_rsl_sendmsg(struct msgb *msg);
#endif /* _ABIS_H */
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