Change in osmo-gsm-manuals[master]: TRXD: generalze description of the 'RFU' ('PAD') field

fixeria gerrit-no-reply at lists.osmocom.org
Fri Apr 9 20:02:54 UTC 2021


fixeria has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-gsm-manuals/+/23687 )


Change subject: TRXD: generalze description of the 'RFU' ('PAD') field
......................................................................

TRXD: generalze description of the 'RFU' ('PAD') field

This field will also appear in TRXDv2 packet diagrams, in several
places.  Let's rename it to 'RFU', because it's actually something
that we intend to use in the future, rather than just padding.

Change-Id: I9ac9d387325627d18811fae1d0d7930b69f08129
Related: SYS#4895, OS#4941, OS#4006
---
M common/chapters/trx_if.adoc
1 file changed, 8 insertions(+), 10 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/osmo-gsm-manuals refs/changes/87/23687/1

diff --git a/common/chapters/trx_if.adoc b/common/chapters/trx_if.adoc
index d1aa566..f648da4 100644
--- a/common/chapters/trx_if.adoc
+++ b/common/chapters/trx_if.adoc
@@ -401,7 +401,7 @@
 	node_height = 40
 
 	0-3:	VER(0)
-	4:	RES
+	4:	RFU
 	5-7:	TN
 	8-39:	FN
 	40-47:	RSSI
@@ -419,7 +419,7 @@
 	node_height = 40
 
 	0-3:	VER(1)
-	4:	RES
+	4:	RFU
 	5-7:	TN
 	8-39:	FN
 	40-47:	RSSI
@@ -438,7 +438,7 @@
 	node_height = 40
 
 	0-3:	VER(1)
-	4:	RES
+	4:	RFU
 	5-7:	TN
 	8-39:	FN
 	40-47:	RSSI
@@ -454,9 +454,8 @@
 TN: 3 bits::
 Timeslot number.
 
-RES: 1 bit::
-Reserved, shall be 0. It can be used in the future to extend the TDMA TN range
-to (0..15), in case anybody would need to transfer UMTS bursts.
+RFU: variable bit-length::
+Reserved for Future Use, all bits shall be set to low (`0`).
 
 FN: 32 bits (4 bytes)::
 GSM frame number, big endian.
@@ -565,7 +564,7 @@
 	node_height = 40
 
 	0-3:	VER
-	4:	RES
+	4:	RFU
 	5-7:	TN
 	8-39:	FN
 	40-47:	PWR
@@ -579,9 +578,8 @@
 TN: 3 bits::
 Timeslot number.
 
-RES: 1 bit::
-Reserved, shall be 0. It can be used in the future to extend the TDMA TN range
-to (0..15), in case anybody would need to transfer UMTS bursts.
+RFU: variable bit-length::
+Reserved for Future Use, all bits shall be set to low (`0`).
 
 FN: 32 bits (4 bytes)::
 GSM frame number, big endian.

-- 
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Gerrit-Project: osmo-gsm-manuals
Gerrit-Branch: master
Gerrit-Change-Id: I9ac9d387325627d18811fae1d0d7930b69f08129
Gerrit-Change-Number: 23687
Gerrit-PatchSet: 1
Gerrit-Owner: fixeria <vyanitskiy at sysmocom.de>
Gerrit-MessageType: newchange
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