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White Rabbit Switch - Testing
Commits
064b3afb
Commit
064b3afb
authored
Mar 21, 2014
by
Maciej Lipinski
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testDoc: added forwarding functional/performance tests, configuration info to the introduction
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26 deletions
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-26
forwarding-functional.tex
doc/spec/switch-release-tests/src/forwarding-functional.tex
+127
-8
forwarding-performance.tex
doc/spec/switch-release-tests/src/forwarding-performance.tex
+370
-16
introduction.tex
doc/spec/switch-release-tests/src/introduction.tex
+17
-1
synchronization-performance.tex
.../switch-release-tests/src/synchronization-performance.tex
+65
-1
No files found.
doc/spec/switch-release-tests/src/forwarding-functional.tex
View file @
064b3afb
...
...
@@ -4,6 +4,26 @@
This tests aims at verifying simple forwarding capabilities of the switch. The configuration
that should be used throughout all the tests in this section, unless explicitly stated.
\paragraph
{
Test setup
}
Spirent tester (sTester) and WR Switch (wrSwitch) under test with ports connected in the following way
\begin{table}
[ht!]
\begin{tabular}
{
l l l
}
sTester-port:0
&
to
&
wrSwitch-port:0
\\
sTester-port:1
&
to
&
wrSwitch-port:17
\\
sTester-port:2
&
to
&
wrSwitch-port:1
\\
sTester-port:3
&
to
&
wrSwitch-port:16
\\
wrSwitch-port:2
&
to
&
wrSwitch-port:3
\\
wrSwitch-port:4
&
to
&
wrSwitch-port:5
\\
wrSwitch-port:6
&
to
&
wrSwitch-port:7
\\
wrSwitch-port:8
&
to
&
wrSwitch-port:9
\\
wrSwitch-port:10
&
to
&
wrSwitch-port:11
\\
wrSwitch-port:12
&
to
&
wrSwitch-port:13
\\
wrSwitch-port:14
&
to
&
wrSwitch-port:16
\\
\end{tabular}
\end{table}
\paragraph
{
Switch Configuration
}
Default configuration.
...
...
@@ -17,12 +37,105 @@ FRAME & size & 64bytes \\
\end{tabular}
\end{table}
\subsection
{
VLANs
}
\newpage
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\subsection
{
Unicast
}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
No learning shall be performed before this tests.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\subsubsection
{
Unicast -- one-to-one stream
}
\paragraph
{
Description
}
Unicast forwarding.
\paragraph
{
Switch Configuration
}
\begin{table}
[ht!]
\begin{tabular}
{
l l l l
}
VLAN
&
port 0:
&
VID=0,
&
QMODE=unqualified
\\
&
port 1:
&
VID=0,
&
QMODE=unqualified
\\
&
port 16:
&
VID=0,
&
QMODE=unqualified
\\
&
port 17:
&
VID=0,
&
QMODE=unqualified
\\
&
other ports:
&
VID=0,
&
QMODE=trunk (to avoid loops)
\\
\end{tabular}
\end{table}
\paragraph
{
Tester Configuration
}
\begin{table}
[ht!]
\begin{tabular}
{
l l l
}
FRAME
&
802.1D:
&
no VLAN tag, dstMAC=unicast
\\
&
&
\\
TRAFFIC
&
send to:
&
port 0, 1,16,17
\\
&
receive on:
&
port 0, 1,16,17
\\
STREAMS
&
bi-directional
&
port 0
$
<
-
>
$
port 1
\\
\end{tabular}
\end{table}
This tests serve the purpose of verifying that basic VLAN-related functions work.
\paragraph
{
Test passed if
}
\begin{itemize*}
\item
All frames sent to port 0 are received only on port 1
\item
All frames sent to port 1 are received only on port 0
\item
A limited number of frames from ports 0 and 1 received on ports 16 and 17 (unrecognized
broadcast before learnt by RTUd)
\end{itemize*}
\newpage
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\subsubsection
{
Trival-1
}
\subsubsection
{
Unicast -- many-to-many stream
}
\paragraph
{
Description
}
Unicast forwarding.
\paragraph
{
Switch Configuration
}
\begin{table}
[ht!]
\begin{tabular}
{
l l l l
}
VLAN
&
port 0:
&
VID=0,
&
QMODE=unqualified
\\
&
port 1:
&
VID=0,
&
QMODE=unqualified
\\
&
port 16:
&
VID=0,
&
QMODE=unqualified
\\
&
port 17:
&
VID=0,
&
QMODE=unqualified
\\
&
other ports:
&
VID=0,
&
QMODE=trunk (to avoid loops)
\\
\end{tabular}
\end{table}
\paragraph
{
Tester Configuration
}
\begin{table}
[ht!]
\begin{tabular}
{
l l l
}
FRAME
&
802.1D:
&
no VLAN tag, dstMAC=unicast
\\
&
&
\\
TRAFFIC
&
send to:
&
port 0, 1,16,17
\\
&
receive on:
&
port 0, 1,16,17
\\
STREAMS
&
uni-directional
&
port 0
$
<
-
>
$
port 1, 16, 17
\\
&
uni-directional
&
port 1
$
<
-
>
$
port 0, 16, 17
\\
&
uni-directional
&
port 16
$
<
-
>
$
port 0, 1, 17
\\
&
uni-directional
&
port 17
$
<
-
>
$
port 0, 1, 16
\\
\end{tabular}
\end{table}
\paragraph
{
Test passed if
}
\begin{itemize*}
\item
All frames sent to port 0 are received only on port 17
\item
All frames sent to port 17 are received only on port 0
\item
All frames sent to port 1 are received only on port 16
\item
All frames sent to port 16 are received only on port 1
\end{itemize*}
\newpage
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\subsection
{
VLANs
}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
This tests serve the purpose of verifying that basic VLAN-related functions work.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\subsubsection
{
VLAN-limited forwardng
}
\paragraph
{
Description
}
...
...
@@ -62,7 +175,7 @@ TRAFFIC & send to: & port 0, 1 \\
\end{itemize*}
\newpage
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\subsubsection
{
Trival-2
}
\subsubsection
{
VLAN separation of traffic
}
\paragraph
{
Description
}
...
...
@@ -100,15 +213,21 @@ TRAFFIC & send to: & port 0, 1 \\
\end{itemize*}
\newpage
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\subsubsection
{
Trival-3
}
\subsubsection
{
Output priority queuing
}
\paragraph
{
Description
}
Check whether overriding of priority per VLAN works - don't know yet how, possibly
using HP detection
Need to set EP apprpriately
Verify that frames with different priorities are queued properly - probably need to define
many STREAMS with traffic of different priorities between the same ports of Spirent tester.
It might be that Spirent has such tests.
\newpage
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\subsubsection
{
Per-VLAN prio override
}
\paragraph
{
Description
}
Check whether overriding of priority per VLAN works - possibly by using HP detection or
pStats counters. TODO
\newpage
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\subsubsection
{
Tagging
}
...
...
doc/spec/switch-release-tests/src/forwarding-performance.tex
View file @
064b3afb
This diff is collapsed.
Click to expand it.
doc/spec/switch-release-tests/src/introduction.tex
View file @
064b3afb
...
...
@@ -6,7 +6,23 @@
\item
All the configuration that is not mention should be set to default
\item
Each section specifies section-wide configuration that can be overriden by
a specific test,
\item
Before each test (but not between different configuration seeting of the same
test), the switch shall be restarted and configured from scratch,
\item
If a test failure is detected (e.g. for a particular configuration of a test:
given frame load and size), the switch shall be restarted with the next configuration
listed in the test description.
\end{itemize*}
\paragraph
{
Default configuration
}
\begin{table}
[ht!]
\begin{tabular}
{
l l l l
}
PTP
&
ON
&
free running BC
\\
VLAN
&
all ports
&
VID=0,
&
QMODE=unqualified,PRIO mapping: 0-0,1-1,...7-7
\\
...
&
...
&
...
\\
\end{tabular}
\end{table}
\paragraph
{
Test passed if
}
This section states specifically the condition to render the test successfull ("passed").
\ No newline at end of file
This section states specifically the condition to render the test successfull ("passed").
doc/spec/switch-release-tests/src/synchronization-performance.tex
View file @
064b3afb
...
...
@@ -205,7 +205,7 @@ synchronization when a background, non-PTP traffic of various loads is present.
{
\bf
Traffic
}
&
send to:
&
WR Switch 1, port 17
\\
&
receive on:
&
WR Switch 2, port 17
\\
{
\bf
Frames
}
&
broadcast
&
dstMAC =
\emph
{
FF:FF:FF:FF:FF:FF
}
\\
&
size [bytes]
&
64
\\
&
size [bytes]
&
64
, 65, 700,701, 1521, 1522
\\
&
loads [
\%
]
&
10, 20, 30, 40, 50, 60, 70, 80, 90, 100
\\
&
time of burst per load
&
5 min
\\
\end{tabular}
...
...
@@ -224,3 +224,67 @@ synchronization when a background, non-PTP traffic of various loads is present.
\item
\emph
{
cko
}
always in a range -50ps; +50ps
\end{itemize}
\end{itemize*}
\paragraph
{
Recorded parameters
}
\begin{itemize*}
\item
accuracy (average) and precision (sdev) measured by Oscilloscope measurement of PPS
\item
latency of frames (avg, max, min) and frame loss (
\%
)
\end{itemize*}
\newpage
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\subsection
{
Synchronization with high switch load
}
The test verifies if two WR Switches are able to perform stable, sub-nanosecond
synchronization when a background, non-PTP traffic of various loads is present.
\paragraph
{
Test setup
}
\vspace
{
12pt
}
\begin{table}
[ht!]
\begin{tabular}
{
r l l
}
WR Switch 1:
&
{
\bf
port 17
}
&
-- Networking tester device
\\
WR Switch 1:
&
{
\bf
port 2
}
&
-- port 0 of WR Switch 2
\\
WR Switch 2:
&
{
\bf
port 0
}
&
-- port 2 of WR Switch 1
\\
WR Switch 2:
&
{
\bf
port 17
}
&
-- Networking tester device
\\
WR Switch 1:
&
{
\bf
1-PPS out
}
&
-- channel 1 of the oscilloscope
\\
WR Switch 2:
&
{
\bf
1-PPS out
}
&
-- channel 2 of the oscilloscope
\\
\end{tabular}
\end{table}
\paragraph
{
Oscilloscope setup
}
\vspace
{
12pt
}
\begin{table}
[ht!]
\begin{tabular}
{
l l
}
{
\bf
channel 1, 2
}
&
200mV/div, offset 800mV, DC 50Ohm
\\
{
\bf
timescale
}
&
1ns/div
\\
{
\bf
persistent mode
}
&
ON
\\
\end{tabular}
\end{table}
\paragraph
{
Networking tester setup
}
\vspace
{
12pt
}
\begin{table}
[ht!]
\begin{tabular}
{
l l l
}
{
\bf
Traffic
}
&
send to:
&
WR Switch 1, port 17
\\
&
receive on:
&
WR Switch 2, port 17
\\
{
\bf
Frames
}
&
broadcast
&
dstMAC =
\emph
{
FF:FF:FF:FF:FF:FF
}
\\
&
size [bytes]
&
64, 65, 700,701, 1521, 1522
\\
&
loads [
\%
]
&
10, 20, 30, 40, 50, 60, 70, 80, 90, 100
\\
&
time of burst per load
&
5 min
\\
\end{tabular}
\end{table}
\paragraph
{
Test passed if
}
\begin{itemize*}
\item
For each load of non-PTP frames Oscilloscope in persistent mode shows
stable 1-PPS relation between two WR Switches
\\
\item
\emph
{
wr
\_
mon
}
tool on WR Switch 2 reports through the test period for
each frames load:
\begin{itemize}
\item
\emph
{
lock
}
always 1
\item
\emph
{
servo state
}
always
\emph
{
TRACK
\_
PHASE
}
\item
\emph
{
mu
}
changes without any sudden, few-ns jumps
\item
\emph
{
cko
}
always in a range -50ps; +50ps
\end{itemize}
\end{itemize*}
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