hc
2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390
kernel/tools/testing/selftests/net/forwarding/tc_actions.sh
....@@ -3,7 +3,7 @@
33
44 ALL_TESTS="gact_drop_and_ok_test mirred_egress_redirect_test \
55 mirred_egress_mirror_test matchall_mirred_egress_mirror_test \
6
- gact_trap_test"
6
+ gact_trap_test mirred_egress_to_ingress_tcp_test"
77 NUM_NETIFS=4
88 source tc_common.sh
99 source lib.sh
....@@ -153,6 +153,52 @@
153153 log_test "trap ($tcflags)"
154154 }
155155
156
+mirred_egress_to_ingress_tcp_test()
157
+{
158
+ local tmpfile=$(mktemp) tmpfile1=$(mktemp)
159
+
160
+ RET=0
161
+ dd conv=sparse status=none if=/dev/zero bs=1M count=2 of=$tmpfile
162
+ tc filter add dev $h1 protocol ip pref 100 handle 100 egress flower \
163
+ $tcflags ip_proto tcp src_ip 192.0.2.1 dst_ip 192.0.2.2 \
164
+ action ct commit nat src addr 192.0.2.2 pipe \
165
+ action ct clear pipe \
166
+ action ct commit nat dst addr 192.0.2.1 pipe \
167
+ action ct clear pipe \
168
+ action skbedit ptype host pipe \
169
+ action mirred ingress redirect dev $h1
170
+ tc filter add dev $h1 protocol ip pref 101 handle 101 egress flower \
171
+ $tcflags ip_proto icmp \
172
+ action mirred ingress redirect dev $h1
173
+ tc filter add dev $h1 protocol ip pref 102 handle 102 ingress flower \
174
+ ip_proto icmp \
175
+ action drop
176
+
177
+ ip vrf exec v$h1 nc --recv-only -w10 -l -p 12345 -o $tmpfile1 &
178
+ local rpid=$!
179
+ ip vrf exec v$h1 nc -w1 --send-only 192.0.2.2 12345 <$tmpfile
180
+ wait -n $rpid
181
+ cmp -s $tmpfile $tmpfile1
182
+ check_err $? "server output check failed"
183
+
184
+ $MZ $h1 -c 10 -p 64 -a $h1mac -b $h1mac -A 192.0.2.1 -B 192.0.2.1 \
185
+ -t icmp "ping,id=42,seq=5" -q
186
+ tc_check_packets "dev $h1 egress" 101 10
187
+ check_err $? "didn't mirred redirect ICMP"
188
+ tc_check_packets "dev $h1 ingress" 102 10
189
+ check_err $? "didn't drop mirred ICMP"
190
+ local overlimits=$(tc_rule_stats_get ${h1} 101 egress .overlimits)
191
+ test ${overlimits} = 10
192
+ check_err $? "wrong overlimits, expected 10 got ${overlimits}"
193
+
194
+ tc filter del dev $h1 egress protocol ip pref 100 handle 100 flower
195
+ tc filter del dev $h1 egress protocol ip pref 101 handle 101 flower
196
+ tc filter del dev $h1 ingress protocol ip pref 102 handle 102 flower
197
+
198
+ rm -f $tmpfile $tmpfile1
199
+ log_test "mirred_egress_to_ingress_tcp ($tcflags)"
200
+}
201
+
156202 setup_prepare()
157203 {
158204 h1=${NETIFS[p1]}