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