/usr/src/linux-headers-5.15.0-190/tools/testing/selftests/net/forwarding
Edit: /usr/src/linux-headers-5.15.0-190/tools/testing/selftests/net/forwarding/tc_chains.sh (4945B)
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
ALL_TESTS="unreachable_chain_test gact_goto_chain_test create_destroy_chain \
template_filter_fits"
NUM_NETIFS=2
source tc_common.sh
source lib.sh
tcflags="skip_hw"
h1_create()
{
simple_if_init $h1 192.0.2.1/24
}
h1_destroy()
{
simple_if_fini $h1 192.0.2.1/24
}
h2_create()
{
simple_if_init $h2 192.0.2.2/24
tc qdisc add dev $h2 clsact
}
h2_destroy()
{
tc qdisc del dev $h2 clsact
simple_if_fini $h2 192.0.2.2/24
}
unreachable_chain_test()
{
RET=0
tc filter add dev $h2 ingress chain 1 protocol ip pref 1 handle 1101 \
flower $tcflags dst_mac $h2mac action drop
$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
-t ip -q
tc_check_packets "dev $h2 ingress" 1101 1
check_fail $? "matched on filter in unreachable chain"
tc filter del dev $h2 ingress chain 1 protocol ip pref 1 handle 1101 \
flower
log_test "unreachable chain ($tcflags)"
}
gact_goto_chain_test()
{
RET=0
tc filter add dev $h2 ingress chain 1 protocol ip pref 1 handle 1101 \
flower $tcflags dst_mac $h2mac action drop
tc filter add dev $h2 ingress protocol ip pref 2 handle 102 flower \
$tcflags dst_mac $h2mac action drop
tc filter add dev $h2 ingress protocol ip pref 1 handle 101 flower \
$tcflags dst_mac $h2mac action goto chain 1
$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
-t ip -q
tc_check_packets "dev $h2 ingress" 102 1
check_fail $? "Matched on a wrong filter"
tc_check_packets "dev $h2 ingress" 101 1
check_err $? "Did not match on correct filter with goto chain action"
tc_check_packets "dev $h2 ingress" 1101 1
check_err $? "Did not match on correct filter in chain 1"
tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower
tc filter del dev $h2 ingress protocol ip pref 2 handle 102 flower
tc filter del dev $h2 ingress chain 1 protocol ip pref 1 handle 1101 \
flower
log_test "gact goto chain ($tcflags)"
}
create_destroy_chain()
{
RET=0
tc chain add dev $h2 ingress
check_err $? "Failed to create default chain"
output="$(tc -j chain get dev $h2 ingress)"
check_err $? "Failed to get default chain"
echo $output | jq -e ".[] | select(.chain == 0)" &> /dev/null
check_err $? "Unexpected output for default chain"
tc chain add dev $h2 ingress chain 1
check_err $? "Failed to create chain 1"
output="$(tc -j chain get dev $h2 ingress chain 1)"
check_err $? "Failed to get chain 1"
echo $output | jq -e ".[] | select(.chain == 1)" &> /dev/null
check_err $? "Unexpected output for chain 1"
output="$(tc -j chain show dev $h2 ingress)"
check_err $? "Failed to dump chains"
echo $output | jq -e ".[] | select(.chain == 0)" &> /dev/null
check_err $? "Can't find default chain in dump"
echo $output | jq -e ".[] | select(.chain == 1)" &> /dev/null
check_err $? "Can't find chain 1 in dump"
tc chain del dev $h2 ingress
check_err $? "Failed to destroy default chain"
tc chain del dev $h2 ingress chain 1
check_err $? "Failed to destroy chain 1"
log_test "create destroy chain"
}
template_filter_fits()
{
RET=0
tc chain add dev $h2 ingress protocol ip \
flower dst_mac 00:00:00:00:00:00/FF:FF:FF:FF:FF:FF &> /dev/null
tc chain add dev $h2 ingress chain 1 protocol ip \
flower src_mac 00:00:00:00:00:00/FF:FF:FF:FF:FF:FF &> /dev/null
tc filter add dev $h2 ingress protocol ip pref 1 handle 1101 \
flower dst_mac $h2mac action drop
check_err $? "Failed to insert filter which fits template"
tc filter add dev $h2 ingress protocol ip pref 1 handle 1102 \
flower src_mac $h2mac action drop &> /dev/null
check_fail $? "Incorrectly succeeded to insert filter which does not template"
tc filter add dev $h2 ingress chain 1 protocol ip pref 1 handle 1101 \
flower src_mac $h2mac action drop
check_err $? "Failed to insert filter which fits template"
tc filter add dev $h2 ingress chain 1 protocol ip pref 1 handle 1102 \
flower dst_mac $h2mac action drop &> /dev/null
check_fail $? "Incorrectly succeeded to insert filter which does not template"
tc filter del dev $h2 ingress chain 1 protocol ip pref 1 handle 1102 \
flower &> /dev/null
tc filter del dev $h2 ingress chain 1 protocol ip pref 1 handle 1101 \
flower &> /dev/null
tc filter del dev $h2 ingress protocol ip pref 1 handle 1102 \
flower &> /dev/null
tc filter del dev $h2 ingress protocol ip pref 1 handle 1101 \
flower &> /dev/null
tc chain del dev $h2 ingress chain 1
tc chain del dev $h2 ingress
log_test "template filter fits"
}
setup_prepare()
{
h1=${NETIFS[p1]}
h2=${NETIFS[p2]}
h1mac=$(mac_get $h1)
h2mac=$(mac_get $h2)
vrf_prepare
h1_create
h2_create
}
cleanup()
{
pre_cleanup
h2_destroy
h1_destroy
vrf_cleanup
}
check_tc_chain_support
trap cleanup EXIT
setup_prepare
setup_wait
tests_run
tc_offload_check
if [[ $? -ne 0 ]]; then
log_info "Could not test offloaded functionality"
else
tcflags="skip_sw"
tests_run
fi
exit $EXIT_STATUS