sysmobts: Add variable for N(S) + 1 needed for the sysmobts
We could use the upper three bits of the ciph_state to store the
sequence number but make the code understandable first.
diff --git a/openbsc/include/openbsc/gsm_data_shared.h b/openbsc/include/openbsc/gsm_data_shared.h
index 6d077fa..3abb38b 100644
--- a/openbsc/include/openbsc/gsm_data_shared.h
+++ b/openbsc/include/openbsc/gsm_data_shared.h
@@ -295,6 +295,7 @@
} tch;
/* BTS-side ciphering state (rx only, bi-directional, ...) */
uint8_t ciph_state;
+ uint8_t ciph_ns;
uint8_t loopback;
struct {
uint8_t active;