[GPRS] BSSGP: expose more internal structures / API
diff --git a/openbsc/include/openbsc/gprs_bssgp.h b/openbsc/include/openbsc/gprs_bssgp.h
index 8fdef81..f2b94c4 100644
--- a/openbsc/include/openbsc/gprs_bssgp.h
+++ b/openbsc/include/openbsc/gprs_bssgp.h
@@ -149,6 +149,35 @@
/* gprs_bssgp.c */
+#define BVC_S_BLOCKED 0x0001
+
+/* The per-BTS context that we keep on the SGSN side of the BSSGP link */
+struct bssgp_bvc_ctx {
+ struct llist_head list;
+
+ /* parsed RA ID and Cell ID of the remote BTS */
+ struct gprs_ra_id ra_id;
+ uint16_t cell_id;
+
+ /* NSEI and BVCI of underlying Gb link. Together they
+ * uniquely identify a link to a BTS (5.4.4) */
+ uint16_t bvci;
+ uint16_t nsei;
+
+ uint32_t state;
+
+ struct rate_ctr_group *ctrg;
+
+ /* we might want to add this as a shortcut later, avoiding the NSVC
+ * lookup for every packet, similar to a routing cache */
+ //struct gprs_nsvc *nsvc;
+};
+extern struct llist_head bssgp_bvc_ctxts;
+/* Find a BTS Context based on parsed RA ID and Cell ID */
+struct bssgp_bvc_ctx *btsctx_by_raid_cid(const struct gprs_ra_id *raid, uint16_t cid);
+/* Find a BTS context based on BVCI+NSEI tuple */
+struct bssgp_bvc_ctx *btsctx_by_bvci_nsei(uint16_t bvci, uint16_t nsei);
+
#include <osmocore/tlv.h>
/* BSSGP-UL-UNITDATA.ind */