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selftests: lib.sh: Add PING_COUNT to allow sending configurable amount of packets 

Currently `ping_do()` and `ping6_do()` send 10 packets.

There are cases that it is not possible to catch only the interesting
packets using tc rule, so then, it is possible to send many packets and
verify that at least this amount of packets hit the rule.

Add `PING_COUNT` variable, which is set to 10 by default, to allow tests
sending more than 10 packets using the existing ping API.

Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Amit Cohen 2021-12-21 16:49:43 +02:00 committed by Jakub Kicinski
parent 70ec72d5b6
commit 0cd0b1f7a6
1 changed files with 5 additions and 2 deletions
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7
tools/testing/selftests/net/forwarding/lib.sh
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@ -20,6 +20,7 @@ NETIF_TYPE=${NETIF_TYPE:=veth}
NETIF_CREATE=${NETIF_CREATE:=yes}
MCD=${MCD:=smcrouted}
MC_CLI=${MC_CLI:=smcroutectl}
PING_COUNT=${PING_COUNT:=10}
PING_TIMEOUT=${PING_TIMEOUT:=5}
WAIT_TIMEOUT=${WAIT_TIMEOUT:=20}
INTERFACE_TIMEOUT=${INTERFACE_TIMEOUT:=600}
@ -1111,7 +1112,8 @@ ping_do()
vrf_name=$(master_name_get $if_name)
ip vrf exec $vrf_name \
$PING $args $dip -c 10 -i 0.1 -w $PING_TIMEOUT &> /dev/null
$PING $args $dip -c $PING_COUNT -i 0.1 \
-w $PING_TIMEOUT &> /dev/null
}
ping_test()
@ -1132,7 +1134,8 @@ ping6_do()
vrf_name=$(master_name_get $if_name)
ip vrf exec $vrf_name \
$PING6 $args $dip -c 10 -i 0.1 -w $PING_TIMEOUT &> /dev/null
$PING6 $args $dip -c $PING_COUNT -i 0.1 \
-w $PING_TIMEOUT &> /dev/null
}
ping6_test()