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selftests: net: bridge: factor out mcast_packet_test 

Factor out mcast_packet_test into lib.sh so it can be later extended and
reused by MLDv2 tests.

Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Nikolay Aleksandrov 2020-11-03 19:23:57 +02:00 committed by Jakub Kicinski
parent 9470174e75
commit 537e48259e
2 changed files with 32 additions and 32 deletions
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32
tools/testing/selftests/net/forwarding/bridge_igmp.sh
View File

@ -105,38 +105,6 @@ cleanup()
vrf_cleanup
}
# return 0 if the packet wasn't seen on host2_if or 1 if it was
mcast_packet_test()
{
local mac=$1
local src_ip=$2
local ip=$3
local host1_if=$4
local host2_if=$5
local seen=0
# Add an ACL on `host2_if` which will tell us whether the packet
# was received by it or not.
tc qdisc add dev $host2_if ingress
tc filter add dev $host2_if ingress protocol ip pref 1 handle 101 \
flower ip_proto udp dst_mac $mac action drop
$MZ $host1_if -c 1 -p 64 -b $mac -A $src_ip -B $ip -t udp "dp=4096,sp=2048" -q
sleep 1
tc -j -s filter show dev $host2_if ingress \
| jq -e ".[] | select(.options.handle == 101) \
| select(.options.actions[0].stats.packets == 1)" &> /dev/null
if [[ $? -eq 0 ]]; then
seen=1
fi
tc filter del dev $host2_if ingress protocol ip pref 1 handle 101 flower
tc qdisc del dev $host2_if ingress
return $seen
}
v2reportleave_test()
{
RET=0

32
tools/testing/selftests/net/forwarding/lib.sh
View File

@ -1270,3 +1270,35 @@ tcpdump_show()
{
tcpdump -e -n -r $capfile 2>&1
}
# return 0 if the packet wasn't seen on host2_if or 1 if it was
mcast_packet_test()
{
local mac=$1
local src_ip=$2
local ip=$3
local host1_if=$4
local host2_if=$5
local seen=0
# Add an ACL on `host2_if` which will tell us whether the packet
# was received by it or not.
tc qdisc add dev $host2_if ingress
tc filter add dev $host2_if ingress protocol ip pref 1 handle 101 \
flower ip_proto udp dst_mac $mac action drop
$MZ $host1_if -c 1 -p 64 -b $mac -A $src_ip -B $ip -t udp "dp=4096,sp=2048" -q
sleep 1
tc -j -s filter show dev $host2_if ingress \
| jq -e ".[] | select(.options.handle == 101) \
| select(.options.actions[0].stats.packets == 1)" &> /dev/null
if [[ $? -eq 0 ]]; then
seen=1
fi
tc filter del dev $host2_if ingress protocol ip pref 1 handle 101 flower
tc qdisc del dev $host2_if ingress
return $seen
}