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Subject[PATCH v4 09/15] NTB: ntb_test: Update ntb_tool link tests
Date
Link Up and Down methods are used to change NTB link settings on
local side only for multi-port devices. Link is considered up
only if both sides local and peer set it up. Intel/AMD hardware
acts a bit different by assigning the Primary and Secondary roles,
so Primary device only is able to change the link state. Such behaviour
should be reflected in the test code.

Signed-off-by: Serge Semin <fancer.lancer@gmail.com>
---
Changelog v3:
- Redirect errors to /dev/null instead of /dev/nulle

tools/testing/selftests/ntb/ntb_test.sh | 26 +++++++++++++++-----------
1 file changed, 15 insertions(+), 11 deletions(-)

diff --git a/tools/testing/selftests/ntb/ntb_test.sh b/tools/testing/selftests/ntb/ntb_test.sh
index 541ba70ad640..a3942f31c057 100755
--- a/tools/testing/selftests/ntb/ntb_test.sh
+++ b/tools/testing/selftests/ntb/ntb_test.sh
@@ -138,6 +138,11 @@ function check_file()
fi
}

+function subdirname()
+{
+ echo $(basename $(dirname $1)) 2> /dev/null
+}
+
function find_pidx()
{
PORT=$1
@@ -183,9 +188,9 @@ function link_test()
REM=$2
EXP=0

- echo "Running link tests on: $(basename $LOC) / $(basename $REM)"
+ echo "Running link tests on: $(subdirname $LOC) / $(subdirname $REM)"

- if ! write_file "N" "$LOC/link" 2> /dev/null; then
+ if ! write_file "N" "$LOC/../link" 2> /dev/null; then
echo " Unsupported"
return
fi
@@ -193,12 +198,11 @@ function link_test()
write_file "N" "$LOC/link_event"

if [[ $(read_file "$REM/link") != "N" ]]; then
- echo "Expected remote link to be down in $REM/link" >&2
+ echo "Expected link to be down in $REM/link" >&2
exit -1
fi

- write_file "Y" "$LOC/link"
- write_file "Y" "$LOC/link_event"
+ write_file "Y" "$LOC/../link"

echo " Passed"
}
@@ -379,15 +383,15 @@ function ntb_tool_tests()

port_test "$LOCAL_TOOL" "$REMOTE_TOOL"

- write_file "Y" "$LOCAL_TOOL/link_event"
- write_file "Y" "$REMOTE_TOOL/link_event"
+ LOCAL_PEER_TOOL="$LOCAL_TOOL/peer$LOCAL_PIDX"
+ REMOTE_PEER_TOOL="$REMOTE_TOOL/peer$REMOTE_PIDX"

- link_test "$LOCAL_TOOL" "$REMOTE_TOOL"
- link_test "$REMOTE_TOOL" "$LOCAL_TOOL"
+ link_test "$LOCAL_PEER_TOOL" "$REMOTE_PEER_TOOL"
+ link_test "$REMOTE_PEER_TOOL" "$LOCAL_PEER_TOOL"

#Ensure the link is up on both sides before continuing
- write_file "Y" "$LOCAL_TOOL/link_event"
- write_file "Y" "$REMOTE_TOOL/link_event"
+ write_file "Y" "$LOCAL_PEER_TOOL/link_event"
+ write_file "Y" "$REMOTE_PEER_TOOL/link_event"

for PEER_TRANS in $(ls "$LOCAL_TOOL"/peer_trans*); do
PT=$(basename $PEER_TRANS)
--
2.12.0
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