Change in osmo-pcu[master]: tbf: Drop unuseful flag GPRS_RLCMAC_FLAG_TO_DL_ASS

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pespin gerrit-no-reply at lists.osmocom.org
Mon Aug 23 16:28:27 UTC 2021 

pespin has submitted this change. ( https://gerrit.osmocom.org/c/osmo-pcu/+/25061 )

Change subject: tbf: Drop unuseful flag GPRS_RLCMAC_FLAG_TO_DL_ASS
......................................................................

tbf: Drop unuseful flag GPRS_RLCMAC_FLAG_TO_DL_ASS

The flag is only used to print some non interesting stuff, let's drop it
in order to simplify code. We can add later whatever we want in the new
shiny FSM.

Change-Id: I13f92f058c219f230d57b3c00b8ae1d187603813
---
M src/pdch.cpp
M src/tbf.cpp
M src/tbf.h
M src/tbf_dl_ass_fsm.c
M tests/tbf/TbfTest.err
5 files changed, 14 insertions(+), 18 deletions(-)

Approvals:
  Jenkins Builder: Verified
  pespin: Looks good to me, approved
  osmith: Looks good to me, but someone else must approve



diff --git a/src/pdch.cpp b/src/pdch.cpp
index 17a2d50..618dbf4 100644
--- a/src/pdch.cpp
+++ b/src/pdch.cpp
@@ -371,8 +371,6 @@
 		osmo_fsm_inst_dispatch(new_tbf->state_fsm.fi, TBF_EV_ASSIGN_ACK_PACCH, NULL);
 		/* stop pending assignment timer */
 		new_tbf->t_stop(T0, "control acked (DL-TBF)");
-		if (new_tbf->check_n_clear(GPRS_RLCMAC_FLAG_TO_DL_ASS))
-			LOGPTBF(new_tbf, LOGL_NOTICE, "Recovered downlink assignment\n");
 
 		tbf_assign_control_ts(new_tbf);
 		return;
diff --git a/src/tbf.cpp b/src/tbf.cpp
index 3c0c530..0154bab 100644
--- a/src/tbf.cpp
+++ b/src/tbf.cpp
@@ -630,12 +630,6 @@
 		/* Signal timeout to FSM to reschedule UL assignment */
 		osmo_fsm_inst_dispatch(this->ul_ass_fsm.fi, TBF_UL_ASS_EV_ASS_POLL_TIMEOUT, NULL);
 	} else if (dl_ass_state_is(TBF_DL_ASS_WAIT_ACK)) {
-		if (!(state_fsm.state_flags & (1 << GPRS_RLCMAC_FLAG_TO_DL_ASS))) {
-			LOGPTBF(this, LOGL_NOTICE,
-				"Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: %s\n",
-				tbf_rlcmac_diag(this));
-			state_fsm.state_flags |= (1 << GPRS_RLCMAC_FLAG_TO_DL_ASS);
-		}
 		bts_do_rate_ctr_inc(bts, CTR_RLC_ASS_TIMEDOUT);
 		bts_do_rate_ctr_inc(bts, CTR_PDA_POLL_TIMEDOUT);
 		if (n_inc(N3105)) {
diff --git a/src/tbf.h b/src/tbf.h
index 15b7de3..b8f1e18 100644
--- a/src/tbf.h
+++ b/src/tbf.h
@@ -131,7 +131,6 @@
 #define GPRS_RLCMAC_FLAG_DL_ACK		3 /* downlink acknowledge received  */
 #define GPRS_RLCMAC_FLAG_TO_UL_ACK	4
 #define GPRS_RLCMAC_FLAG_TO_DL_ACK	5
-#define GPRS_RLCMAC_FLAG_TO_DL_ASS	6
 #define GPRS_RLCMAC_FLAG_TO_MASK	0xf0 /* timeout bits */
 
 #define T_START(tbf, t, T, r, f) tbf->t_start(t, T, r, f, __FILE__, __LINE__)
diff --git a/src/tbf_dl_ass_fsm.c b/src/tbf_dl_ass_fsm.c
index 8085fbd..cf09588 100644
--- a/src/tbf_dl_ass_fsm.c
+++ b/src/tbf_dl_ass_fsm.c
@@ -182,11 +182,16 @@
 
 static void st_wait_ack(struct osmo_fsm_inst *fi, uint32_t event, void *data)
 {
+	struct tbf_dl_ass_fsm_ctx *ctx = (struct tbf_dl_ass_fsm_ctx *)fi->priv;
+
 	switch (event) {
 	case TBF_DL_ASS_EV_RX_ASS_CTRL_ACK:
 		tbf_dl_ass_fsm_state_chg(fi, TBF_DL_ASS_NONE);
 		break;
 	case TBF_DL_ASS_EV_ASS_POLL_TIMEOUT:
+		LOGPTBF(ctx->tbf, LOGL_NOTICE,
+			"Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: %s\n",
+			tbf_rlcmac_diag(ctx->tbf));
 		/* Reschedule Pkt Dl Ass */
 		tbf_dl_ass_fsm_state_chg(fi, TBF_DL_ASS_SEND_ASS);
 		break;
diff --git a/tests/tbf/TbfTest.err b/tests/tbf/TbfTest.err
index b6727f4..aed1bfd 100644
--- a/tests/tbf/TbfTest.err
+++ b/tests/tbf/TbfTest.err
@@ -4261,9 +4261,9 @@
 PDCH(bts=0,trx=0,ts=4) Expiring FN=112 but previous FN=13 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=13, TS=4 (curr FN 112)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: Received Event ASS_POLL_TIMEOUT
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: state_chg to SEND_ASS
 PDCH(bts=0,trx=0,ts=4) Expiring FN=112 but previous FN=17 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
@@ -4521,9 +4521,9 @@
 PDCH(bts=0,trx=0,ts=4) Expiring FN=91 but previous FN=13 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=13, TS=4 (curr FN 91)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: Received Event ASS_POLL_TIMEOUT
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: state_chg to SEND_ASS
 PDCH(bts=0,trx=0,ts=4) Expiring FN=91 but previous FN=17 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
@@ -4737,9 +4737,9 @@
 PDCH(bts=0,trx=0,ts=4) Expiring FN=69 but previous FN=13 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=13, TS=4 (curr FN 69)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: Received Event ASS_POLL_TIMEOUT
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: state_chg to SEND_ASS
 PDCH(bts=0,trx=0,ts=4) Expiring FN=69 but previous FN=17 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
@@ -4937,9 +4937,9 @@
 PDCH(bts=0,trx=0,ts=4) Expiring FN=60 but previous FN=13 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=13, TS=4 (curr FN 60)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: Received Event ASS_POLL_TIMEOUT
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: state_chg to SEND_ASS
 PDCH(bts=0,trx=0,ts=4) Expiring FN=60 but previous FN=17 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
@@ -5121,9 +5121,9 @@
 PDCH(bts=0,trx=0,ts=4) Expiring FN=52 but previous FN=13 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=13, TS=4 (curr FN 52)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: Received Event ASS_POLL_TIMEOUT
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: state_chg to SEND_ASS
 PDCH(bts=0,trx=0,ts=4) Expiring FN=52 but previous FN=17 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
@@ -5281,9 +5281,9 @@
 PDCH(bts=0,trx=0,ts=4) Expiring FN=39 but previous FN=13 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=13, TS=4 (curr FN 39)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: Received Event ASS_POLL_TIMEOUT
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: state_chg to SEND_ASS
 PDCH(bts=0,trx=0,ts=4) Expiring FN=39 but previous FN=17 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
@@ -5450,9 +5450,9 @@
 PDCH(bts=0,trx=0,ts=4) Expiring FN=34 but previous FN=13 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=13, TS=4 (curr FN 34)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: Received Event ASS_POLL_TIMEOUT
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: state_chg to SEND_ASS
 PDCH(bts=0,trx=0,ts=4) Expiring FN=34 but previous FN=17 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
@@ -5610,9 +5610,9 @@
 PDCH(bts=0,trx=0,ts=4) Expiring FN=30 but previous FN=13 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=13, TS=4 (curr FN 30)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: Received Event ASS_POLL_TIMEOUT
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: state_chg to SEND_ASS
 PDCH(bts=0,trx=0,ts=4) Expiring FN=30 but previous FN=17 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
@@ -5759,9 +5759,9 @@
 PDCH(bts=0,trx=0,ts=4) Expiring FN=26 but previous FN=13 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=13, TS=4 (curr FN 26)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: Received Event ASS_POLL_TIMEOUT
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: state_chg to SEND_ASS
 PDCH(bts=0,trx=0,ts=4) Expiring FN=26 but previous FN=17 is still reserved!
 PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)

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Gerrit-Project: osmo-pcu
Gerrit-Branch: master
Gerrit-Change-Id: I13f92f058c219f230d57b3c00b8ae1d187603813
Gerrit-Change-Number: 25061
Gerrit-PatchSet: 3
Gerrit-Owner: pespin <pespin at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: osmith <osmith at sysmocom.de>
Gerrit-Reviewer: pespin <pespin at sysmocom.de>
Gerrit-MessageType: merged
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