gprs_ns2: implement BLOCK/UNBLOCK of a NSVC by vty
The vty should be able to block or unblock a specific NSVC.
Further more this case is special for the UNITDATA as those
can be still received until the other side response to the BLOCK PDU.
Related: OS#4939
Change-Id: Ic0ce3c5fabc8644cc1ee71a8f6dd783fadf7b84d
diff --git a/src/gb/gprs_ns2_internal.h b/src/gb/gprs_ns2_internal.h
index 5404ed3..cb5c2bd 100644
--- a/src/gb/gprs_ns2_internal.h
+++ b/src/gb/gprs_ns2_internal.h
@@ -318,6 +318,8 @@
int gprs_ns2_vc_rx(struct gprs_ns2_vc *nsvc, struct msgb *msg, struct tlv_parsed *tp);
int gprs_ns2_vc_is_alive(struct gprs_ns2_vc *nsvc);
int gprs_ns2_vc_is_unblocked(struct gprs_ns2_vc *nsvc);
+int ns2_vc_block(struct gprs_ns2_vc *nsvc);
+int ns2_vc_unblock(struct gprs_ns2_vc *nsvc);
/* nse */
void ns2_nse_notify_unblocked(struct gprs_ns2_vc *nsvc, bool unblocked);