TBF: make UL ack state internal
* add functions/macros for setting TBF's UL ack state
* add functions for checking TBF's UL ack state
N. B: this should not be confused with TBF-UL state.
Change-Id: I144483447d4b0b93e775da0e926ee45eb8ab39f3
Related: OS#1539
diff --git a/src/tbf.h b/src/tbf.h
index 2d51945..2828772 100644
--- a/src/tbf.h
+++ b/src/tbf.h
@@ -87,6 +87,8 @@
GPRS_RLCMAC_UL_ACK_WAIT_ACK, /* wait for PACKET CONTROL ACK */
};
+extern const struct value_string gprs_rlcmac_tbf_ul_ack_state_names[];
+
enum gprs_rlcmac_tbf_direction {
GPRS_RLCMAC_DL_TBF,
GPRS_RLCMAC_UL_TBF
@@ -183,6 +185,7 @@
#define TBF_SET_STATE(t, st) do { t->set_state(st, __FILE__, __LINE__); } while(0)
#define TBF_SET_ASS_STATE_DL(t, st) do { t->set_ass_state_dl(st, __FILE__, __LINE__); } while(0)
#define TBF_SET_ASS_STATE_UL(t, st) do { t->set_ass_state_ul(st, __FILE__, __LINE__); } while(0)
+#define TBF_SET_ACK_STATE(t, st) do { t->set_ack_state(st, __FILE__, __LINE__); } while(0)
#define TBF_SET_ASS_ON(t, fl, chk) do { t->set_assigned_on(fl, chk, __FILE__, __LINE__); } while(0)
struct gprs_rlcmac_tbf {
@@ -195,9 +198,11 @@
bool state_is_not(enum gprs_rlcmac_tbf_state rhs) const;
bool dl_ass_state_is(enum gprs_rlcmac_tbf_dl_ass_state rhs) const;
bool ul_ass_state_is(enum gprs_rlcmac_tbf_ul_ass_state rhs) const;
+ bool ul_ack_state_is(enum gprs_rlcmac_tbf_ul_ack_state rhs) const;
void set_state(enum gprs_rlcmac_tbf_state new_state, const char *file, int line);
void set_ass_state_dl(enum gprs_rlcmac_tbf_dl_ass_state new_state, const char *file, int line);
void set_ass_state_ul(enum gprs_rlcmac_tbf_ul_ass_state new_state, const char *file, int line);
+ void set_ack_state(enum gprs_rlcmac_tbf_ul_ack_state new_state, const char *file, int line);
void check_pending_ass();
bool check_n_clear(uint8_t state_flag);
void set_assigned_on(uint8_t state_flag, bool check_ccch, const char *file, int line);
@@ -279,8 +284,6 @@
gprs_llc m_llc;
- enum gprs_rlcmac_tbf_ul_ack_state ul_ack_state;
-
enum gprs_rlcmac_tbf_poll_state poll_state;
uint32_t poll_fn; /* frame number to poll */
uint8_t poll_ts; /* TS to poll */
@@ -343,6 +346,7 @@
enum gprs_rlcmac_tbf_state state;
enum gprs_rlcmac_tbf_dl_ass_state dl_ass_state;
enum gprs_rlcmac_tbf_ul_ass_state ul_ass_state;
+ enum gprs_rlcmac_tbf_ul_ack_state ul_ack_state;
LListHead<gprs_rlcmac_tbf> m_list;
LListHead<gprs_rlcmac_tbf> m_ms_list;
bool m_egprs_enabled;
@@ -385,6 +389,11 @@
return ul_ass_state == rhs;
}
+inline bool gprs_rlcmac_tbf::ul_ack_state_is(enum gprs_rlcmac_tbf_ul_ack_state rhs) const
+{
+ return ul_ack_state == rhs;
+}
+
inline bool gprs_rlcmac_tbf::state_is_not(enum gprs_rlcmac_tbf_state rhs) const
{
return state != rhs;
@@ -434,6 +443,15 @@
ul_ass_state = new_state;
}
+inline void gprs_rlcmac_tbf::set_ack_state(enum gprs_rlcmac_tbf_ul_ack_state new_state, const char *file, int line)
+{
+ LOGPSRC(DTBF, LOGL_DEBUG, file, line, "%s changes UL ACK state from %s to %s\n",
+ tbf_name(this),
+ get_value_string(gprs_rlcmac_tbf_ul_ack_state_names, ul_ack_state),
+ get_value_string(gprs_rlcmac_tbf_ul_ack_state_names, new_state));
+ ul_ack_state = new_state;
+}
+
inline void gprs_rlcmac_tbf::check_pending_ass()
{
if (ul_ass_state != GPRS_RLCMAC_UL_ASS_NONE)