[PATCH] osmo-pcu[master]: Add debugging log for RLC data block decoding

[mrinal]

Review at  https://gerrit.osmocom.org/1342

Add debugging log for RLC data block decoding

Added debugging log for RLC UL Data Block decoding for both GPRS/EGPRS cases.

Change-Id: I8c197bdc4cd1330cbab0adfd188336d27682cec4
---
M src/decoding.cpp
M tests/tbf/TbfTest.err
2 files changed, 10 insertions(+), 0 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/osmo-pcu refs/changes/42/1342/1

diff --git a/src/decoding.cpp b/src/decoding.cpp
index 6ae4b16..0dbb10a 100644
--- a/src/decoding.cpp
+++ b/src/decoding.cpp
@@ -76,6 +76,9 @@
 		} else if (li->li == 127 && li->e == 1) {
 			/* TS 44.060, table 10.4.14a.1, row 3 & 5 */
 			/* only filling bytes left */
+			LOGP(DRLCMACUL, LOGL_DEBUG, "UL DATA LI contains "
+				"only filling bytes with extention octet: LI=%d, E=%d, count=%d\n",
+				li->li, li->e, num_chunks);
 			break;
 		} else if (li->li > 0) {
 			/* TS 44.060, table 10.4.14a.1, row 1 & 2b */
@@ -88,6 +91,9 @@
 			return -EINVAL;
 		}
 
+		LOGP(DRLCMACUL, LOGL_DEBUG, "UL DATA LI contains "
+			"extention octet: LI=%d, E=%d, count=%d\n",
+			li->li, li->e, num_chunks);
 		num_chunks += 1;
 
 		if (e == 1) {
@@ -161,6 +167,9 @@
 
 		chunks[num_chunks].is_complete = li->li || is_last_block;
 
+		LOGP(DRLCMACUL, LOGL_DEBUG, "UL DATA LI contains "
+			"extention octet: LI=%d, M=%d, E=%d, count=%d\n",
+			li->li, li->m, li->e, num_chunks);
 		num_chunks += 1;
 
 		if (e == 1 && m == 1) {
diff --git a/tests/tbf/TbfTest.err b/tests/tbf/TbfTest.err
index a680812..2647551 100644
--- a/tests/tbf/TbfTest.err
+++ b/tests/tbf/TbfTest.err
@@ -6460,6 +6460,7 @@
 - Raising V(R) to 2
 - Taking block 1 out, raising V(Q) to 2
 - Assembling frames: (len=44)
+UL DATA LI contains extention octet: LI=0, E=1, count=0
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=FLOW EGPRS) complete UL frame len=44
 LLC [PCU -> SGSN] TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=FLOW EGPRS) len=44
 No bctx

-- 
To view, visit https://gerrit.osmocom.org/1342
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I8c197bdc4cd1330cbab0adfd188336d27682cec4
Gerrit-PatchSet: 1
Gerrit-Project: osmo-pcu
Gerrit-Branch: master
Gerrit-Owner: mrinal <mrinal.mishra at radisys.com>