| #ifndef _SGSN_H |
| #define _SGSN_H |
| |
| |
| #include <osmocom/core/msgb.h> |
| |
| #include <openbsc/gprs_ns.h> |
| #include <openbsc/gprs_sgsn.h> |
| |
| struct sgsn_config { |
| /* parsed from config file */ |
| |
| char *gtp_statedir; |
| struct sockaddr_in gtp_listenaddr; |
| |
| /* misc */ |
| struct gprs_ns_inst *nsi; |
| }; |
| |
| struct sgsn_instance { |
| char *config_file; |
| struct sgsn_config cfg; |
| /* File descriptor wrappers for LibGTP */ |
| struct bsc_fd gtp_fd0; |
| struct bsc_fd gtp_fd1c; |
| struct bsc_fd gtp_fd1u; |
| /* Timer for libGTP */ |
| struct osmo_timer_list gtp_timer; |
| /* GSN instance for libgtp */ |
| struct gsn_t *gsn; |
| }; |
| |
| extern struct sgsn_instance *sgsn; |
| |
| /* sgsn_vty.c */ |
| |
| int sgsn_vty_init(void); |
| int sgsn_parse_config(const char *config_file, struct sgsn_config *cfg); |
| |
| /* sgsn.c */ |
| |
| /* Main input function for Gb proxy */ |
| int sgsn_rcvmsg(struct msgb *msg, struct gprs_nsvc *nsvc, uint16_t ns_bvci); |
| |
| |
| struct sgsn_pdp_ctx *sgsn_create_pdp_ctx(struct sgsn_ggsn_ctx *ggsn, |
| struct sgsn_mm_ctx *mmctx, |
| uint16_t nsapi, |
| struct tlv_parsed *tp); |
| int sgsn_delete_pdp_ctx(struct sgsn_pdp_ctx *pctx); |
| |
| /* gprs_sndcp.c */ |
| |
| /* Entry point for the SNSM-ACTIVATE.indication */ |
| int sndcp_sm_activate_ind(struct gprs_llc_lle *lle, uint8_t nsapi); |
| /* Entry point for the SNSM-DEACTIVATE.indication */ |
| int sndcp_sm_deactivate_ind(struct gprs_llc_lle *lle, uint8_t nsapi); |
| /* Called by SNDCP when it has received/re-assembled a N-PDU */ |
| int sgsn_rx_sndcp_ud_ind(struct gprs_ra_id *ra_id, int32_t tlli, uint8_t nsapi, |
| struct msgb *msg, uint32_t npdu_len, uint8_t *npdu); |
| int sndcp_unitdata_req(struct msgb *msg, struct gprs_llc_lle *lle, uint8_t nsapi, |
| void *mmcontext); |
| |
| #endif |