tbf: get rid of poll_state completely

The poll_state logic was part of previous implementation (prior to pdch
ul controller) where the ssumption was that TBF could only had 1 POLL
request in transit, which is really not true. With current
infrastructure we don't need this state tracking at all.

Change-Id: Ie5b807ccd38aa736ae11b3310ca61ad0156ca4d4

5 files changed, 0 insertions, 53 deletions

diff --git a/src/pdch.cpp b/src/pdch.cpp
index 22bac0bd..0d9ebf2e 100644
--- a/src/pdch.cpp
+++ b/src/pdch.cpp
@@ -334,7 +334,6 @@ void gprs_rlcmac_pdch::rcv_control_ack(Packet_Control_Acknowledgement_t *packet,
 	tbf->update_ms(tlli, GPRS_RLCMAC_UL_TBF);
 
 	LOGPTBF(tbf, LOGL_DEBUG, "RX: [PCU <- BTS] Packet Control Ack\n");
-	TBF_POLL_SCHED_UNSET(tbf);
 	pdch_ulc_release_fn(ulc, fn);
 
 	/* check if this control ack belongs to packet uplink ack */
@@ -721,7 +720,6 @@ void gprs_rlcmac_pdch::rcv_measurement_report(Packet_Measurement_Report_t *repor
 			LOGPDCH(this, DRLCMAC, LOGL_INFO, "FN=%" PRIu32 " Rx Meas Report "
 				"on RRBP POLL, this probably means a DL/CTRL ACK/NACk will "
 				"need to be polled again later\n", fn);
-			TBF_POLL_SCHED_UNSET(poll->tbf_poll.poll_tbf);
 			pdch_ulc_release_fn(ulc, fn);
 			break;
 		case PDCH_ULC_NODE_SBA:
diff --git a/src/tbf.cpp b/src/tbf.cpp
index 4a573750..1dc052aa 100644
--- a/src/tbf.cpp
+++ b/src/tbf.cpp
@@ -61,12 +61,6 @@ unsigned int next_tbf_ctr_group_id = 0; /* Incrementing group id */
 
 static void tbf_timer_cb(void *_tbf);
 
-const struct value_string gprs_rlcmac_tbf_poll_state_names[] = {
-	OSMO_VALUE_STRING(GPRS_RLCMAC_POLL_NONE),
-	OSMO_VALUE_STRING(GPRS_RLCMAC_POLL_SCHED), /* a polling was scheduled */
-	{ 0, NULL }
-};
-
 const struct value_string gprs_rlcmac_tbf_dl_ass_state_names[] = {
 	OSMO_VALUE_STRING(GPRS_RLCMAC_DL_ASS_NONE),
 	OSMO_VALUE_STRING(GPRS_RLCMAC_DL_ASS_SEND_ASS),
@@ -146,7 +140,6 @@ gprs_rlcmac_tbf::gprs_rlcmac_tbf(struct gprs_rlcmac_bts *bts_, GprsMs *ms, gprs_
 	dl_ass_state(GPRS_RLCMAC_DL_ASS_NONE),
 	ul_ass_state(GPRS_RLCMAC_UL_ASS_NONE),
 	ul_ack_state(GPRS_RLCMAC_UL_ACK_NONE),
-	poll_state(GPRS_RLCMAC_POLL_NONE),
 	m_egprs_enabled(false)
 {
 	/* The classes of these members do not have proper constructors yet.
@@ -589,7 +582,6 @@ void gprs_rlcmac_tbf::set_polling(uint32_t new_poll_fn, uint8_t ts, enum pdch_ul
 			  chan, poll_fn, ts);
 		return;
 	}
-	poll_state = GPRS_RLCMAC_POLL_SCHED;
 	poll_fn = new_poll_fn;
 	poll_ts = ts;
 
@@ -631,8 +623,6 @@ void gprs_rlcmac_tbf::poll_timeout(enum pdch_ulc_tbf_poll_reason reason)
 	LOGPTBF(this, LOGL_NOTICE, "poll timeout for FN=%d, TS=%d (curr FN %d)\n",
 		poll_fn, poll_ts, bts_current_frame_number(bts));
 
-	poll_state = GPRS_RLCMAC_POLL_NONE;
-
 	if (ul_tbf && ul_tbf->handle_ctrl_ack(reason)) {
 		if (!ul_tbf->ctrl_ack_to_toggle()) {
 			LOGPTBF(this, LOGL_NOTICE,
diff --git a/src/tbf.h b/src/tbf.h
index 5064216b..cb5aac46 100644
--- a/src/tbf.h
+++ b/src/tbf.h
@@ -64,13 +64,6 @@ enum gprs_rlcmac_tbf_state {
 	GPRS_RLCMAC_RELEASING,	/* releasing, wait to free TBI/USF */
 };
 
-enum gprs_rlcmac_tbf_poll_state {
-	GPRS_RLCMAC_POLL_NONE = 0,
-	GPRS_RLCMAC_POLL_SCHED, /* a polling was scheduled */
-};
-
-extern const struct value_string gprs_rlcmac_tbf_poll_state_names[];
-
 enum gprs_rlcmac_tbf_dl_ass_state {
 	GPRS_RLCMAC_DL_ASS_NONE = 0,
 	GPRS_RLCMAC_DL_ASS_SEND_ASS, /* send downlink assignment on next RTS */
@@ -174,8 +167,6 @@ enum tbf_counters { /* TBF counters from 3GPP TS 44.060 §13.4 */
 #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_POLL_SCHED_SET(t) do { t->poll_sched_set(__FILE__, __LINE__); } while(0)
-#define TBF_POLL_SCHED_UNSET(t) do { t->poll_sched_unset(__FILE__, __LINE__); } while(0)
 #define TBF_SET_ASS_ON(t, fl, chk) do { t->set_assigned_on(fl, chk, __FILE__, __LINE__); } while(0)
 #define TBF_ASS_TYPE_SET(t, kind) do { t->ass_type_mod(kind, false, __FILE__, __LINE__); } while(0)
 #define TBF_ASS_TYPE_UNSET(t, kind) do { t->ass_type_mod(kind, true, __FILE__, __LINE__); } while(0)
@@ -353,7 +344,6 @@ private:
 	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;
-	enum gprs_rlcmac_tbf_poll_state poll_state;
 	bool m_egprs_enabled;
 	struct osmo_timer_list Tarr[T_MAX];
 	uint8_t Narr[N_MAX];
@@ -482,20 +472,6 @@ inline void gprs_rlcmac_tbf::set_ack_state(enum gprs_rlcmac_tbf_ul_ack_state new
 	ul_ack_state = new_state;
 }
 
-inline void gprs_rlcmac_tbf::poll_sched_set(const char *file, int line)
-{
-	LOGPSRC(DTBF, LOGL_DEBUG, file, line, "%s changes poll state from %s to GPRS_RLCMAC_POLL_SCHED\n",
-		tbf_name(this), get_value_string(gprs_rlcmac_tbf_poll_state_names, poll_state));
-	poll_state = GPRS_RLCMAC_POLL_SCHED;
-}
-
-inline void gprs_rlcmac_tbf::poll_sched_unset(const char *file, int line)
-{
-	LOGPSRC(DTBF, LOGL_DEBUG, file, line, "%s changes poll state from %s to GPRS_RLCMAC_POLL_NONE\n",
-		tbf_name(this), get_value_string(gprs_rlcmac_tbf_poll_state_names, poll_state));
-	poll_state = GPRS_RLCMAC_POLL_NONE;
-}
-
 inline bool gprs_rlcmac_tbf::check_n_clear(uint8_t state_flag)
 {
 	if ((state_flags & (1 << state_flag))) {
diff --git a/src/tbf_dl.cpp b/src/tbf_dl.cpp
index ba5c6514..de32a1de 100644
--- a/src/tbf_dl.cpp
+++ b/src/tbf_dl.cpp
@@ -781,7 +781,6 @@ bool gprs_rlcmac_dl_tbf::handle_ack_nack()
 	/* reset N3105 */
 	n_reset(N3105);
 	t_stop(T3191, "ACK/NACK received");
-	TBF_POLL_SCHED_UNSET(this);
 
 	return ack_recovered;
 }
diff --git a/tests/tbf/TbfTest.err b/tests/tbf/TbfTest.err
index 6d2c384b..dde62a10 100644
--- a/tests/tbf/TbfTest.err
+++ b/tests/tbf/TbfTest.err
@@ -1549,7 +1549,6 @@ Detected FN jump! 2654270 -> 2654283
 PDCH(bts=0,trx=0,ts=7) FN=2654283 +++++++++++++++++++++++++ RX : Uplink Control Block +++++++++++++++++++++++++
 PDCH(bts=0,trx=0,ts=7) FN=2654283 ------------------------- RX : Uplink Control Block -------------------------
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) RX: [PCU <- BTS] Packet Control Ack
-TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) changes poll state from GPRS_RLCMAC_POLL_SCHED to GPRS_RLCMAC_POLL_NONE
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) [DOWNLINK] UPLINK ASSIGNED
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) changes UL ASS state from GPRS_RLCMAC_UL_ASS_WAIT_ACK to GPRS_RLCMAC_UL_ASS_NONE
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) changes state from ASSIGN to FLOW
@@ -1634,7 +1633,6 @@ Detected FN jump! 2654270 -> 2654283
 PDCH(bts=0,trx=0,ts=7) FN=2654283 +++++++++++++++++++++++++ RX : Uplink Control Block +++++++++++++++++++++++++
 PDCH(bts=0,trx=0,ts=7) FN=2654283 ------------------------- RX : Uplink Control Block -------------------------
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) RX: [PCU <- BTS] Packet Control Ack
-TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) changes poll state from GPRS_RLCMAC_POLL_SCHED to GPRS_RLCMAC_POLL_NONE
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) [DOWNLINK] UPLINK ASSIGNED
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) changes UL ASS state from GPRS_RLCMAC_UL_ASS_WAIT_ACK to GPRS_RLCMAC_UL_ASS_NONE
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) changes state from ASSIGN to FLOW
@@ -1686,7 +1684,6 @@ Detected FN jump! 2654275 -> 2654288
 PDCH(bts=0,trx=0,ts=7) FN=2654288 +++++++++++++++++++++++++ RX : Uplink Control Block +++++++++++++++++++++++++
 PDCH(bts=0,trx=0,ts=7) FN=2654288 ------------------------- RX : Uplink Control Block -------------------------
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=FLOW) RX: [PCU <- BTS] Packet Control Ack
-TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=FLOW) changes poll state from GPRS_RLCMAC_POLL_SCHED to GPRS_RLCMAC_POLL_NONE
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=FLOW) [UPLINK] DOWNLINK ASSIGNED
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=FLOW) changes DL ASS state from GPRS_RLCMAC_DL_ASS_WAIT_ACK to GPRS_RLCMAC_DL_ASS_NONE
 TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=ASSIGN) changes state from ASSIGN to FLOW
@@ -1790,7 +1787,6 @@ Detected FN jump! 2654348 -> 2654361
 PDCH(bts=0,trx=0,ts=7) FN=2654361 +++++++++++++++++++++++++ RX : Uplink Control Block +++++++++++++++++++++++++
 PDCH(bts=0,trx=0,ts=7) FN=2654361 ------------------------- RX : Uplink Control Block -------------------------
 TBF(TFI=1 TLLI=0xf5667788 DIR=UL STATE=ASSIGN) RX: [PCU <- BTS] Packet Control Ack
-TBF(TFI=1 TLLI=0xf5667788 DIR=UL STATE=ASSIGN) changes poll state from GPRS_RLCMAC_POLL_SCHED to GPRS_RLCMAC_POLL_NONE
 TBF(TFI=1 TLLI=0xf5667788 DIR=UL STATE=ASSIGN) [DOWNLINK] UPLINK ASSIGNED
 TBF(TFI=1 TLLI=0xf5667788 DIR=UL STATE=ASSIGN) changes UL ASS state from GPRS_RLCMAC_UL_ASS_WAIT_ACK to GPRS_RLCMAC_UL_ASS_NONE
 TBF(TFI=1 TLLI=0xf5667788 DIR=UL STATE=ASSIGN) changes state from ASSIGN to FLOW
@@ -1862,7 +1858,6 @@ Detected FN jump! 2654270 -> 2654283
 PDCH(bts=0,trx=0,ts=7) FN=2654283 +++++++++++++++++++++++++ RX : Uplink Control Block +++++++++++++++++++++++++
 PDCH(bts=0,trx=0,ts=7) FN=2654283 ------------------------- RX : Uplink Control Block -------------------------
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) RX: [PCU <- BTS] Packet Control Ack
-TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) changes poll state from GPRS_RLCMAC_POLL_SCHED to GPRS_RLCMAC_POLL_NONE
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) [DOWNLINK] UPLINK ASSIGNED
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) changes UL ASS state from GPRS_RLCMAC_UL_ASS_WAIT_ACK to GPRS_RLCMAC_UL_ASS_NONE
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) changes state from ASSIGN to FLOW
@@ -1949,7 +1944,6 @@ Detected FN jump! 2654327 -> 2654340
 PDCH(bts=0,trx=0,ts=7) FN=2654340 +++++++++++++++++++++++++ RX : Uplink Control Block +++++++++++++++++++++++++
 PDCH(bts=0,trx=0,ts=7) FN=2654340 ------------------------- RX : Uplink Control Block -------------------------
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) RX: [PCU <- BTS] Packet Control Ack
-TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) changes poll state from GPRS_RLCMAC_POLL_SCHED to GPRS_RLCMAC_POLL_NONE
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) [DOWNLINK] UPLINK ASSIGNED
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) changes UL ASS state from GPRS_RLCMAC_UL_ASS_WAIT_ACK to GPRS_RLCMAC_UL_ASS_NONE
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) changes state from ASSIGN to FLOW
@@ -2010,7 +2004,6 @@ Detected FN jump! 2654270 -> 2654283
 PDCH(bts=0,trx=0,ts=7) FN=2654283 +++++++++++++++++++++++++ RX : Uplink Control Block +++++++++++++++++++++++++
 PDCH(bts=0,trx=0,ts=7) FN=2654283 ------------------------- RX : Uplink Control Block -------------------------
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) RX: [PCU <- BTS] Packet Control Ack
-TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) changes poll state from GPRS_RLCMAC_POLL_SCHED to GPRS_RLCMAC_POLL_NONE
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) [DOWNLINK] UPLINK ASSIGNED
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) changes UL ASS state from GPRS_RLCMAC_UL_ASS_WAIT_ACK to GPRS_RLCMAC_UL_ASS_NONE
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) changes state from ASSIGN to FLOW
@@ -2158,7 +2151,6 @@ Detected FN jump! 2654270 -> 2654283
 PDCH(bts=0,trx=0,ts=7) FN=2654283 +++++++++++++++++++++++++ RX : Uplink Control Block +++++++++++++++++++++++++
 PDCH(bts=0,trx=0,ts=7) FN=2654283 ------------------------- RX : Uplink Control Block -------------------------
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) RX: [PCU <- BTS] Packet Control Ack
-TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) changes poll state from GPRS_RLCMAC_POLL_SCHED to GPRS_RLCMAC_POLL_NONE
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) [DOWNLINK] UPLINK ASSIGNED
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) changes UL ASS state from GPRS_RLCMAC_UL_ASS_WAIT_ACK to GPRS_RLCMAC_UL_ASS_NONE
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN) changes state from ASSIGN to FLOW
@@ -2250,7 +2242,6 @@ Detected FN jump! 2654275 -> 2654288
 PDCH(bts=0,trx=0,ts=7) FN=2654288 +++++++++++++++++++++++++ RX : Uplink Control Block +++++++++++++++++++++++++
 PDCH(bts=0,trx=0,ts=7) FN=2654288 ------------------------- RX : Uplink Control Block -------------------------
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=FLOW) RX: [PCU <- BTS] Packet Control Ack
-TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=FLOW) changes poll state from GPRS_RLCMAC_POLL_SCHED to GPRS_RLCMAC_POLL_NONE
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=FLOW) [UPLINK] DOWNLINK ASSIGNED
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=FLOW) changes DL ASS state from GPRS_RLCMAC_DL_ASS_WAIT_ACK to GPRS_RLCMAC_DL_ASS_NONE
 TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=ASSIGN) changes state from ASSIGN to FLOW
@@ -2810,7 +2801,6 @@ Detected FN jump! 2654288 -> 2654409
 PDCH(bts=0,trx=0,ts=7) FN=2654409 +++++++++++++++++++++++++ RX : Uplink Control Block +++++++++++++++++++++++++
 PDCH(bts=0,trx=0,ts=7) FN=2654409 ------------------------- RX : Uplink Control Block -------------------------
 TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FINISHED) stopping timer T3191 [ACK/NACK received]
-TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FINISHED) changes poll state from GPRS_RLCMAC_POLL_SCHED to GPRS_RLCMAC_POLL_NONE
 TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FINISHED) RX: [PCU <- BTS] Packet Downlink Ack/Nack
 PDCH(bts=0,trx=0,ts=7) Got GPRS DL ACK bitmap: SSN: 0, BSN 0 to 28 - 1 (28 blocks), "RRRRRRRRRRRRRRRRRRRRRRRRRRRR"
 TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FINISHED) downlink acknowledge
@@ -2937,7 +2927,6 @@ PDCH(bts=0,trx=0,ts=7) FN=2654400 Scheduling control message at RTS for TBF(TFI=
 PDCH(bts=0,trx=0,ts=7) FN=2654413 +++++++++++++++++++++++++ RX : Uplink Control Block +++++++++++++++++++++++++
 PDCH(bts=0,trx=0,ts=7) FN=2654413 ------------------------- RX : Uplink Control Block -------------------------
 TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=WAIT RELEASE) RX: [PCU <- BTS] Packet Control Ack
-TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=WAIT RELEASE) changes poll state from GPRS_RLCMAC_POLL_SCHED to GPRS_RLCMAC_POLL_NONE
 TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=WAIT RELEASE) [UPLINK] DOWNLINK ASSIGNED
 TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=WAIT RELEASE) changes DL ASS state from GPRS_RLCMAC_DL_ASS_WAIT_ACK to GPRS_RLCMAC_DL_ASS_NONE
 TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=WAIT RELEASE) changes state from WAIT RELEASE to RELEASING
@@ -3295,7 +3284,6 @@ Detected FN jump! 2654270 -> 2654283
 PDCH(bts=0,trx=0,ts=7) FN=2654283 +++++++++++++++++++++++++ RX : Uplink Control Block +++++++++++++++++++++++++
 PDCH(bts=0,trx=0,ts=7) FN=2654283 ------------------------- RX : Uplink Control Block -------------------------
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) RX: [PCU <- BTS] Packet Control Ack
-TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) changes poll state from GPRS_RLCMAC_POLL_SCHED to GPRS_RLCMAC_POLL_NONE
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) [DOWNLINK] UPLINK ASSIGNED
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) changes UL ASS state from GPRS_RLCMAC_UL_ASS_WAIT_ACK to GPRS_RLCMAC_UL_ASS_NONE
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) changes state from ASSIGN to FLOW
@@ -3388,7 +3376,6 @@ Detected FN jump! 2654270 -> 2654283
 PDCH(bts=0,trx=0,ts=7) FN=2654283 +++++++++++++++++++++++++ RX : Uplink Control Block +++++++++++++++++++++++++
 PDCH(bts=0,trx=0,ts=7) FN=2654283 ------------------------- RX : Uplink Control Block -------------------------
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) RX: [PCU <- BTS] Packet Control Ack
-TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) changes poll state from GPRS_RLCMAC_POLL_SCHED to GPRS_RLCMAC_POLL_NONE
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) [DOWNLINK] UPLINK ASSIGNED
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) changes UL ASS state from GPRS_RLCMAC_UL_ASS_WAIT_ACK to GPRS_RLCMAC_UL_ASS_NONE
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) changes state from ASSIGN to FLOW
@@ -5984,7 +5971,6 @@ Detected FN jump! 2654270 -> 2654283
 PDCH(bts=0,trx=0,ts=7) FN=2654283 +++++++++++++++++++++++++ RX : Uplink Control Block +++++++++++++++++++++++++
 PDCH(bts=0,trx=0,ts=7) FN=2654283 ------------------------- RX : Uplink Control Block -------------------------
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) RX: [PCU <- BTS] Packet Control Ack
-TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) changes poll state from GPRS_RLCMAC_POLL_SCHED to GPRS_RLCMAC_POLL_NONE
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) [DOWNLINK] UPLINK ASSIGNED
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) changes UL ASS state from GPRS_RLCMAC_UL_ASS_WAIT_ACK to GPRS_RLCMAC_UL_ASS_NONE
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) changes state from ASSIGN to FLOW
@@ -6150,7 +6136,6 @@ Detected FN jump! 2654270 -> 2654283
 PDCH(bts=0,trx=0,ts=7) FN=2654283 +++++++++++++++++++++++++ RX : Uplink Control Block +++++++++++++++++++++++++
 PDCH(bts=0,trx=0,ts=7) FN=2654283 ------------------------- RX : Uplink Control Block -------------------------
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) RX: [PCU <- BTS] Packet Control Ack
-TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) changes poll state from GPRS_RLCMAC_POLL_SCHED to GPRS_RLCMAC_POLL_NONE
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) [DOWNLINK] UPLINK ASSIGNED
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) changes UL ASS state from GPRS_RLCMAC_UL_ASS_WAIT_ACK to GPRS_RLCMAC_UL_ASS_NONE
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) changes state from ASSIGN to FLOW
@@ -6476,7 +6461,6 @@ Detected FN jump! 2654270 -> 2654283
 PDCH(bts=0,trx=0,ts=7) FN=2654283 +++++++++++++++++++++++++ RX : Uplink Control Block +++++++++++++++++++++++++
 PDCH(bts=0,trx=0,ts=7) FN=2654283 ------------------------- RX : Uplink Control Block -------------------------
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) RX: [PCU <- BTS] Packet Control Ack
-TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) changes poll state from GPRS_RLCMAC_POLL_SCHED to GPRS_RLCMAC_POLL_NONE
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) [DOWNLINK] UPLINK ASSIGNED
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) changes UL ASS state from GPRS_RLCMAC_UL_ASS_WAIT_ACK to GPRS_RLCMAC_UL_ASS_NONE
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=ASSIGN EGPRS) changes state from ASSIGN to FLOW