sigtran_sap.h

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#pragma once
#include <osmocom/core/prim.h>
#include <osmocom/sigtran/osmo_ss7.h>


enum osmo_sigtran_sap {
        SCCP_SAP_USER   = _SAP_SS7_BASE,
        /* xUA Layer Manager */
        XUA_SAP_LM,
        MTP_SAP_USER,
};

enum osmo_xlm_prim_type {
        OSMO_XLM_PRIM_M_SCTP_ESTABLISH,
        OSMO_XLM_PRIM_M_SCTP_RELEASE,
        OSMO_XLM_PRIM_M_SCTP_RESTART,
        OSMO_XLM_PRIM_M_SCTP_STATUS,
        OSMO_XLM_PRIM_M_ASP_STATUS,
        OSMO_XLM_PRIM_M_AS_STATUS,
        OSMO_XLM_PRIM_M_NOTIFY,
        OSMO_XLM_PRIM_M_ERROR,
        OSMO_XLM_PRIM_M_ASP_UP,
        OSMO_XLM_PRIM_M_ASP_DOWN,
        OSMO_XLM_PRIM_M_ASP_ACTIVE,
        OSMO_XLM_PRIM_M_ASP_INACTIVE,
        OSMO_XLM_PRIM_M_AS_ACTIVE,
        OSMO_XLM_PRIM_M_AS_INACTIVE,
        OSMO_XLM_PRIM_M_AS_DOWN,
        /* optional as per spec, not implemented yet */
        OSMO_XLM_PRIM_M_RK_REG,
        OSMO_XLM_PRIM_M_RK_DEREG,
};

#define NOTIFY_PAR_P_ASP_ID     (1 << 0)
#define NOTIFY_PAR_P_ROUTE_CTX  (1 << 1)

struct osmo_xlm_prim_notify {
        uint32_t presence;
        uint16_t status_type;
        uint16_t status_info;
        uint32_t asp_id;
        uint32_t route_ctx;
        char *info_string;
};

struct osmo_xlm_prim_error {
        uint32_t code;
};

struct osmo_xlm_prim_rk_reg {
        /* routing key */
        struct osmo_ss7_routing_key key;
        enum osmo_ss7_as_traffic_mode traf_mode;

        /* Status: Confirm only */
        uint32_t status;
};

struct osmo_xlm_prim_rk_dereg {
        uint32_t route_ctx;

        /* Status: Confirm only */
        uint32_t status;
};

struct osmo_xlm_prim {
        struct osmo_prim_hdr oph;
        union {
                struct osmo_xlm_prim_notify notify;
                struct osmo_xlm_prim_error error;
                struct osmo_xlm_prim_rk_reg rk_reg;
                struct osmo_xlm_prim_rk_dereg rk_dereg;
        } u;
};

#define msgb_xlm_prim(msg) ((struct osmo_xlm_prim *)(msg)->l1h)

char *osmo_xlm_prim_name(struct osmo_prim_hdr *oph);

/* XUA LM-SAP towards stack */
int osmo_xlm_sap_down(struct osmo_ss7_asp *asp, struct osmo_prim_hdr *oph);