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-rw-r--r--include/openbsc/sgsn.h65
1 files changed, 65 insertions, 0 deletions
diff --git a/include/openbsc/sgsn.h b/include/openbsc/sgsn.h
new file mode 100644
index 00000000..84db87e9
--- /dev/null
+++ b/include/openbsc/sgsn.h
@@ -0,0 +1,65 @@
+#ifndef _SGSN_H
+#define _SGSN_H
+
+#include <sys/types.h>
+
+#include <osmocore/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 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