rlc: Start to move things out of the tbf into the rlc

Add remarks of possible broken behavior inside the tbf
routines. Move the preparation (and init) into the new
rlc.cpp file.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/tbf.h b/src/tbf.h
index bf5f32d6..e95ed204 100644
--- a/src/tbf.h
+++ b/src/tbf.h
@@ -86,6 +86,8 @@ enum gprs_rlcmac_tbf_direction {
 #define GPRS_RLCMAC_FLAG_TO_MASK	0xf0 /* timeout bits */
 
 struct gprs_rlc_data {
+	uint8_t *prepare(size_t block_data_length);
+
 	/* block history */
 	uint8_t block[RLC_MAX_LEN];
 	/* block len  of history */