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selftests: Add torture tests to nexthop tests 

Add Nik's torture tests as a new set to stress the replace and cleanup
paths.

Torture test created by Nikolay Aleksandrov and then I adapted to
selftest and added IPv6 version.

Signed-off-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern 2020-05-27 18:03:44 -06:00 committed by David S. Miller
parent ae920e83a0
commit 7c741868ce
1 changed files with 113 additions and 2 deletions
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115
tools/testing/selftests/net/fib_nexthops.sh
View File

@ -19,8 +19,8 @@ ret=0
ksft_skip=4
# all tests in this script. Can be overridden with -t option
IPV4_TESTS="ipv4_fcnal ipv4_grp_fcnal ipv4_withv6_fcnal ipv4_fcnal_runtime ipv4_large_grp ipv4_compat_mode ipv4_fdb_grp_fcnal"
IPV6_TESTS="ipv6_fcnal ipv6_grp_fcnal ipv6_fcnal_runtime ipv6_large_grp ipv6_compat_mode ipv6_fdb_grp_fcnal"
IPV4_TESTS="ipv4_fcnal ipv4_grp_fcnal ipv4_withv6_fcnal ipv4_fcnal_runtime ipv4_large_grp ipv4_compat_mode ipv4_fdb_grp_fcnal ipv4_torture"
IPV6_TESTS="ipv6_fcnal ipv6_grp_fcnal ipv6_fcnal_runtime ipv6_large_grp ipv6_compat_mode ipv6_fdb_grp_fcnal ipv6_torture"
ALL_TESTS="basic ${IPV4_TESTS} ${IPV6_TESTS}"
TESTS="${ALL_TESTS}"
@ -767,6 +767,62 @@ ipv6_large_grp()
$IP nexthop flush >/dev/null 2>&1
}
ipv6_del_add_loop1()
{
while :; do
$IP nexthop del id 100
$IP nexthop add id 100 via 2001:db8:91::2 dev veth1
done >/dev/null 2>&1
}
ipv6_grp_replace_loop()
{
while :; do
$IP nexthop replace id 102 group 100/101
done >/dev/null 2>&1
}
ipv6_torture()
{
local pid1
local pid2
local pid3
local pid4
local pid5
echo
echo "IPv6 runtime torture"
echo "--------------------"
if [ ! -x "$(command -v mausezahn)" ]; then
echo "SKIP: Could not run test; need mausezahn tool"
return
fi
run_cmd "$IP nexthop add id 100 via 2001:db8:91::2 dev veth1"
run_cmd "$IP nexthop add id 101 via 2001:db8:92::2 dev veth3"
run_cmd "$IP nexthop add id 102 group 100/101"
run_cmd "$IP route add 2001:db8:101::1 nhid 102"
run_cmd "$IP route add 2001:db8:101::2 nhid 102"
ipv6_del_add_loop1 &
pid1=$!
ipv6_grp_replace_loop &
pid2=$!
ip netns exec me ping -f 2001:db8:101::1 >/dev/null 2>&1 &
pid3=$!
ip netns exec me ping -f 2001:db8:101::2 >/dev/null 2>&1 &
pid4=$!
ip netns exec me mausezahn veth1 -B 2001:db8:101::2 -A 2001:db8:91::1 -c 0 -t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1 &
pid5=$!
sleep 300
kill -9 $pid1 $pid2 $pid3 $pid4 $pid5
# if we did not crash, success
log_test 0 0 "IPv6 torture test"
}
ipv4_fcnal()
{
local rc
@ -1313,6 +1369,61 @@ ipv4_compat_mode()
sysctl_nexthop_compat_mode_set 1 "IPv4"
}
ipv4_del_add_loop1()
{
while :; do
$IP nexthop del id 100
$IP nexthop add id 100 via 172.16.1.2 dev veth1
done >/dev/null 2>&1
}
ipv4_grp_replace_loop()
{
while :; do
$IP nexthop replace id 102 group 100/101
done >/dev/null 2>&1
}
ipv4_torture()
{
local pid1
local pid2
local pid3
local pid4
local pid5
echo
echo "IPv4 runtime torture"
echo "--------------------"
if [ ! -x "$(command -v mausezahn)" ]; then
echo "SKIP: Could not run test; need mausezahn tool"
return
fi
run_cmd "$IP nexthop add id 100 via 172.16.1.2 dev veth1"
run_cmd "$IP nexthop add id 101 via 172.16.2.2 dev veth3"
run_cmd "$IP nexthop add id 102 group 100/101"
run_cmd "$IP route add 172.16.101.1 nhid 102"
run_cmd "$IP route add 172.16.101.2 nhid 102"
ipv4_del_add_loop1 &
pid1=$!
ipv4_grp_replace_loop &
pid2=$!
ip netns exec me ping -f 172.16.101.1 >/dev/null 2>&1 &
pid3=$!
ip netns exec me ping -f 172.16.101.2 >/dev/null 2>&1 &
pid4=$!
ip netns exec me mausezahn veth1 -B 172.16.101.2 -A 172.16.1.1 -c 0 -t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1 &
pid5=$!
sleep 300
kill -9 $pid1 $pid2 $pid3 $pid4 $pid5
# if we did not crash, success
log_test 0 0 "IPv4 torture test"
}
basic()
{
echo