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authorDavid Ahern <dsahern@kernel.org>2020-05-27 18:03:44 -0600
committerDavid S. Miller <davem@davemloft.net>2020-05-28 11:00:31 -0700
commit7c741868ceab825bb99cf6c72859e9364d54a07c (patch)
tree2870d5693490e5200db27159d50c3ebb78407267
parentae920e83a079bc0ed883d6b709f8f6433ce86745 (diff)
downloadlwn-7c741868ceab825bb99cf6c72859e9364d54a07c.tar.gz
lwn-7c741868ceab825bb99cf6c72859e9364d54a07c.zip
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>
-rwxr-xr-xtools/testing/selftests/net/fib_nexthops.sh115
1 files changed, 113 insertions, 2 deletions
diff --git a/tools/testing/selftests/net/fib_nexthops.sh b/tools/testing/selftests/net/fib_nexthops.sh
index 1e2f61262e4e..dee567f7576a 100755
--- a/tools/testing/selftests/net/fib_nexthops.sh
+++ b/tools/testing/selftests/net/fib_nexthops.sh
@@ -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