act_mirred: use the backlog for nested calls to mirred ingress

[platform/kernel/linux-starfive.git] / tools / testing / selftests / net / forwarding / tc_actions.sh

diff --git a/tools/testing/selftests/net/forwarding/tc_actions.sh b/tools/testing/selftests/net/forwarding/tc_actions.sh
index 1e0a62f..919c0dd 100755 (executable)
--- a/tools/testing/selftests/net/forwarding/tc_actions.sh
+++ b/tools/testing/selftests/net/forwarding/tc_actions.sh
@@ -3,7 +3,8 @@
 
 ALL_TESTS="gact_drop_and_ok_test mirred_egress_redirect_test \
        mirred_egress_mirror_test matchall_mirred_egress_mirror_test \
-       gact_trap_test mirred_egress_to_ingress_test"
+       gact_trap_test mirred_egress_to_ingress_test \
+       mirred_egress_to_ingress_tcp_test"
 NUM_NETIFS=4
 source tc_common.sh
 source lib.sh
@@ -198,6 +199,52 @@ mirred_egress_to_ingress_test()
        log_test "mirred_egress_to_ingress ($tcflags)"
 }
 
+mirred_egress_to_ingress_tcp_test()
+{
+       local tmpfile=$(mktemp) tmpfile1=$(mktemp)
+
+       RET=0
+       dd conv=sparse status=none if=/dev/zero bs=1M count=2 of=$tmpfile
+       tc filter add dev $h1 protocol ip pref 100 handle 100 egress flower \
+               $tcflags ip_proto tcp src_ip 192.0.2.1 dst_ip 192.0.2.2 \
+                       action ct commit nat src addr 192.0.2.2 pipe \
+                       action ct clear pipe \
+                       action ct commit nat dst addr 192.0.2.1 pipe \
+                       action ct clear pipe \
+                       action skbedit ptype host pipe \
+                       action mirred ingress redirect dev $h1
+       tc filter add dev $h1 protocol ip pref 101 handle 101 egress flower \
+               $tcflags ip_proto icmp \
+                       action mirred ingress redirect dev $h1
+       tc filter add dev $h1 protocol ip pref 102 handle 102 ingress flower \
+               ip_proto icmp \
+                       action drop
+
+       ip vrf exec v$h1 nc --recv-only -w10 -l -p 12345 -o $tmpfile1  &
+       local rpid=$!
+       ip vrf exec v$h1 nc -w1 --send-only 192.0.2.2 12345 <$tmpfile
+       wait -n $rpid
+       cmp -s $tmpfile $tmpfile1
+       check_err $? "server output check failed"
+
+       $MZ $h1 -c 10 -p 64 -a $h1mac -b $h1mac -A 192.0.2.1 -B 192.0.2.1 \
+               -t icmp "ping,id=42,seq=5" -q
+       tc_check_packets "dev $h1 egress" 101 10
+       check_err $? "didn't mirred redirect ICMP"
+       tc_check_packets "dev $h1 ingress" 102 10
+       check_err $? "didn't drop mirred ICMP"
+       local overlimits=$(tc_rule_stats_get ${h1} 101 egress .overlimits)
+       test ${overlimits} = 10
+       check_err $? "wrong overlimits, expected 10 got ${overlimits}"
+
+       tc filter del dev $h1 egress protocol ip pref 100 handle 100 flower
+       tc filter del dev $h1 egress protocol ip pref 101 handle 101 flower
+       tc filter del dev $h1 ingress protocol ip pref 102 handle 102 flower
+
+       rm -f $tmpfile $tmpfile1
+       log_test "mirred_egress_to_ingress_tcp ($tcflags)"
+}
+
 setup_prepare()
 {
        h1=${NETIFS[p1]}