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selftests: skbedit_priority: Test counters at the skbedit rule

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Currently the test checks the observable effect of skbedit priority:
queueing of packets at the correct qdisc band. It therefore misses the fact
that the counters for offloaded rules are not updated. Add an extra check
for the counter.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Petr Machata 2020-03-26 22:45:57 +02:00 committed by David S. Miller
parent d4d9d9c53b
commit 2a0b1307cb
1 changed files with 7 additions and 2 deletions
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9
tools/testing/selftests/net/forwarding/skbedit_priority.sh
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@ -120,14 +120,19 @@ test_skbedit_priority_one()
flower action skbedit priority $prio
local pkt0=$(qdisc_parent_stats_get $swp2 $classid .packets)
local pkt2=$(tc_rule_handle_stats_get "$locus" 101)
$MZ $h1 -t udp "sp=54321,dp=12345" -c 10 -d 20msec -p 100 \
-a own -b $h2mac -A 192.0.2.1 -B 192.0.2.2 -q
local pkt1
pkt1=$(busywait "$HIT_TIMEOUT" until_counter_is ">= $((pkt0 + 10))" \
qdisc_parent_stats_get $swp2 $classid .packets)
check_err $? "Expected to get 10 packets on class $classid, but got $((pkt1 - pkt0))."
local pkt3=$(tc_rule_handle_stats_get "$locus" 101)
((pkt3 >= pkt2 + 10))
check_err $? "Expected to get 10 packets on skbedit rule but got $((pkt3 - pkt2))."
check_err $? "Expected to get 10 packets on class $classid, but got
$((pkt1 - pkt0))."
log_test "$locus skbedit priority $prio -> classid $classid"
tc filter del $locus pref 1