| /* Lb: BSSAP-LE/SCCP */ |
| |
| #pragma once |
| |
| #include <stdint.h> |
| |
| #include <osmocom/core/tdef.h> |
| #include <osmocom/gsm/gsm_utils.h> |
| #include <osmocom/gsm/gsm0808_utils.h> |
| #include <osmocom/sigtran/sccp_sap.h> |
| |
| struct msgb; |
| struct sccp_lb_inst; |
| |
| #define LOG_SCCP_LB_CO(sli, peer_addr, conn_id, level, fmt, args...) \ |
| LOGP(DLB, level, "(Lb-%u%s%s) " fmt, \ |
| conn_id, peer_addr ? " from " : "", \ |
| peer_addr ? osmo_sccp_inst_addr_name((sli)->sccp, peer_addr) : "", \ |
| ## args) |
| |
| #define LOG_SCCP_LB_CL_CAT(sli, peer_addr, subsys, level, fmt, args...) \ |
| LOGP(subsys, level, "(Lb%s%s) " fmt, \ |
| peer_addr ? " from " : "", \ |
| peer_addr ? osmo_sccp_inst_addr_name((sli)->sccp, peer_addr) : "", \ |
| ## args) |
| |
| #define LOG_SCCP_LB_CL(sli, peer_addr, level, fmt, args...) \ |
| LOG_SCCP_LB_CL_CAT(sli, peer_addr, DLB, level, fmt, ##args) |
| |
| #define LOG_SCCP_LB_CAT(sli, subsys, level, fmt, args...) \ |
| LOG_SCCP_LB_CL_CAT(sli, NULL, subsys, level, fmt, ##args) |
| |
| #define LOG_SCCP_LB(sli, level, fmt, args...) \ |
| LOG_SCCP_LB_CL(sli, NULL, level, fmt, ##args) |
| |
| enum reset_msg_type { |
| SCCP_LB_MSG_NON_RESET = 0, |
| SCCP_LB_MSG_RESET, |
| SCCP_LB_MSG_RESET_ACK, |
| }; |
| |
| struct sccp_lb_inst { |
| struct osmo_sccp_instance *sccp; |
| struct osmo_sccp_user *scu; |
| struct osmo_sccp_addr local_sccp_addr; |
| |
| struct llist_head lb_peers; |
| struct llist_head lb_conns; |
| |
| void *user_data; |
| }; |
| |
| struct sccp_lb_inst *sccp_lb_init(void *talloc_ctx, struct osmo_sccp_instance *sccp, enum osmo_sccp_ssn ssn, |
| const char *sccp_user_name); |
| int sccp_lb_inst_next_conn_id(); |
| |
| int sccp_lb_down_l2_co_initial(struct sccp_lb_inst *sli, |
| const struct osmo_sccp_addr *called_addr, |
| uint32_t conn_id, struct msgb *l2); |
| int sccp_lb_down_l2_co(struct sccp_lb_inst *sli, uint32_t conn_id, struct msgb *l2); |
| int sccp_lb_down_l2_cl(struct sccp_lb_inst *sli, const struct osmo_sccp_addr *called_addr, struct msgb *l2); |
| |
| int sccp_lb_disconnect(struct sccp_lb_inst *sli, uint32_t conn_id, uint32_t cause); |