add msgb and tlv support bits required for openbsc gprs branch
diff --git a/include/osmocore/msgb.h b/include/osmocore/msgb.h
index 131f920..e2755ef 100644
--- a/include/osmocore/msgb.h
+++ b/include/osmocore/msgb.h
@@ -35,9 +35,20 @@
struct gsm_bts_trx *trx;
struct gsm_lchan *lchan;
+ /* the A-bis layer 2 header: OML, RSL(RLL), NS */
unsigned char *l2h;
+ /* the layer 3 header. For OML: FOM; RSL: 04.08; GPRS: BSSGP */
unsigned char *l3h;
- unsigned char *smsh;
+
+ /* the layer 4 header */
+ union {
+ unsigned char *smsh;
+ unsigned char *llch;
+ };
+
+ /* the layer 5 header, GPRS: GMM header */
+ unsigned char *gmmh;
+ uint32_t tlli;
uint16_t data_len;
uint16_t len;