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selftests: forwarding: Have lldpad_app_wait_set() wait for unknown, too 

Immediately after mlxsw module is probed and lldpad started, added APP
entries are briefly in "unknown" state before becoming "pending". That's
the state that lldpad_app_wait_set() typically sees, and since there are
no pending entries at that time, it bails out. However the entries have
not been pushed to the kernel yet at that point, and thus the test case
fails.

Fix by waiting for both unknown and pending entries to disappear before
proceeding.

Fixes: d159261f36 ("selftests: mlxsw: Add test for trust-DSCP")
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Petr Machata 2018-10-08 18:50:41 +00:00 committed by David S. Miller
parent 9e66431640
commit 372809055f
1 changed files with 1 additions and 1 deletions
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2
tools/testing/selftests/net/forwarding/lib.sh
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@ -251,7 +251,7 @@ lldpad_app_wait_set()
{
local dev=$1; shift
while lldptool -t -i $dev -V APP -c app | grep -q pending; do
while lldptool -t -i $dev -V APP -c app | grep -Eq "pending|unknown"; do
echo "$dev: waiting for lldpad to push pending APP updates"
sleep 5
done