mirror of https://gerrit.osmocom.org/libosmocore
69 lines
2.6 KiB
C
69 lines
2.6 KiB
C
#pragma once
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#include <stdint.h>
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struct gprs_ns2_inst;
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struct osmo_fsm_inst;
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struct gprs_ra_id;
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struct bssgp2_flow_ctrl;
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enum bssp_ptp_bvc_fsm_state {
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BSSGP_BVCFSM_S_NULL,
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BSSGP_BVCFSM_S_BLOCKED,
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BSSGP_BVCFSM_S_WAIT_RESET_ACK,
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BSSGP_BVCFSM_S_UNBLOCKED,
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};
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enum bssgp_ptp_bvc_fsm_event {
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/* Rx of BSSGP PDUs from the remote side; 'data' is 'struct tlv_parsed', and
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* the assumption is that the caller has already validated all mandatory IEs
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* are present and of sufficient length */
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BSSGP_BVCFSM_E_RX_BLOCK,
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BSSGP_BVCFSM_E_RX_BLOCK_ACK,
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BSSGP_BVCFSM_E_RX_UNBLOCK,
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BSSGP_BVCFSM_E_RX_UNBLOCK_ACK,
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BSSGP_BVCFSM_E_RX_RESET,
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BSSGP_BVCFSM_E_RX_RESET_ACK,
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BSSGP_BVCFSM_E_RX_FC_BVC,
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BSSGP_BVCFSM_E_RX_FC_BVC_ACK,
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/* Requests of the local user */
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BSSGP_BVCFSM_E_REQ_BLOCK, /* data: uint8_t *cause */
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BSSGP_BVCFSM_E_REQ_UNBLOCK,
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BSSGP_BVCFSM_E_REQ_RESET, /* data: uint8_t *cause */
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BSSGP_BVCFSM_E_REQ_FC_BVC, /* data: struct bssgp2_flow_ctrl */
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};
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struct bssgp_bvc_fsm_ops {
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/* call-back notifying the user of a state change */
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void (*state_chg_notification)(uint16_t nsei, uint16_t bvci, int old_state, int new_state,
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void *priv);
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/* call-back notifying the user of a BVC-RESET event */
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void (*reset_notification)(uint16_t nsei, uint16_t bvci, const struct gprs_ra_id *ra_id,
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uint16_t cell_id, uint8_t cause, void *priv);
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void (*rx_fc_bvc)(uint16_t nsei, uint16_t bvci, const struct bssgp2_flow_ctrl *fc, void *priv);
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};
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struct osmo_fsm_inst *
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bssgp_bvc_fsm_alloc_sig_bss(void *ctx, struct gprs_ns2_inst *nsi, uint16_t nsei, uint32_t features);
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struct osmo_fsm_inst *
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bssgp_bvc_fsm_alloc_ptp_bss(void *ctx, struct gprs_ns2_inst *nsi, uint16_t nsei, uint16_t bvci,
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const struct gprs_ra_id *ra_id, uint16_t cell_id);
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struct osmo_fsm_inst *
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bssgp_bvc_fsm_alloc_sig_sgsn(void *ctx, struct gprs_ns2_inst *nsi, uint16_t nsei, uint32_t features);
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struct osmo_fsm_inst *
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bssgp_bvc_fsm_alloc_ptp_sgsn(void *ctx, struct gprs_ns2_inst *nsi, uint16_t nsei, uint16_t bvci);
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void bssgp_bvc_fsm_set_ops(struct osmo_fsm_inst *fi, const struct bssgp_bvc_fsm_ops *ops, void *ops_priv);
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bool bssgp_bvc_fsm_is_unblocked(struct osmo_fsm_inst *fi);
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uint8_t bssgp_bvc_fsm_get_block_cause(struct osmo_fsm_inst *fi);
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uint32_t bssgp_bvc_fsm_get_features_advertised(struct osmo_fsm_inst *fi);
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uint32_t bssgp_bvc_fsm_get_features_received(struct osmo_fsm_inst *fi);
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uint32_t bssgp_bvc_fsm_get_features_negotiated(struct osmo_fsm_inst *fi);
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void bssgp_bvc_fsm_set_max_pdu_len(struct osmo_fsm_inst *fi, uint16_t max_pdu_len);
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uint16_t bssgp_bvc_fsm_get_max_pdu_len(const struct osmo_fsm_inst *fi); |