Exercise the drop action in the datapath. This specific tests triggers
an xlate_error.
For the kernel datapath skb drop reasons can then be seen while this
test runs.
# perf trace -e skb:kfree_skb --filter="reason >= 0x30000"
0.000 ping/1275884 skb:kfree_skb(skbaddr: 0xffff8acd76546000, \
location: 0xffffffffc0ee3634, protocol: 2048, reason: 196611)
Signed-off-by: Eric Garver <[email protected]>
---
tests/system-common-macros.at | 4 ++++
tests/system-traffic.at | 31 +++++++++++++++++++++++++++++++
2 files changed, 35 insertions(+)
diff --git a/tests/system-common-macros.at b/tests/system-common-macros.at
index 01ebe364ee7c..2a68cd664e5c 100644
--- a/tests/system-common-macros.at
+++ b/tests/system-common-macros.at
@@ -374,3 +374,7 @@ m4_define([OVS_CHECK_CT_CLEAR],
# OVS_CHECK_GITHUB_ACTION
m4_define([OVS_CHECK_GITHUB_ACTION],
[AT_SKIP_IF([test "$GITHUB_ACTIONS" = "true"])])
+
+# OVS_CHECK_DROP_ACTION()
+m4_define([OVS_CHECK_DROP_ACTION],
+ [AT_SKIP_IF([! grep -q "Datapath supports explicit drop action"
ovs-vswitchd.log])])
diff --git a/tests/system-traffic.at b/tests/system-traffic.at
index 2d12d558ec2f..cc0d294a0525 100644
--- a/tests/system-traffic.at
+++ b/tests/system-traffic.at
@@ -2231,6 +2231,37 @@ masks-cache:size:256
OVS_TRAFFIC_VSWITCHD_STOP
AT_CLEANUP
+AT_SETUP([datapath - drop action])
+OVS_TRAFFIC_VSWITCHD_START()
+OVS_CHECK_DROP_ACTION()
+AT_KEYWORDS(drop_action)
+
+ADD_NAMESPACES(at_ns0, at_ns1)
+
+ADD_VETH(p0, at_ns0, br0, "10.1.1.1/24")
+ADD_VETH(p1, at_ns1, br0, "10.1.1.2/24")
+
+dnl Exceed the max number of resubmits.
+(echo "dl_type=0x806, actions=normal"
+for i in `seq 1 64`; do
+ j=`expr $i + 1`
+ echo "in_port=$i, actions=resubmit:$j, resubmit:$j, local"
+ done
+ echo "in_port=65, actions=local"
+) > flows.txt
+AT_CHECK([ovs-ofctl add-flows br0 flows.txt])
+
+dnl Generate some traffic.
+NS_CHECK_EXEC([at_ns0], [ping -q -c 10 -i 0.1 -w 2 10.1.1.2], [1], [ignore])
+
+OVS_WAIT_UNTIL_EQUAL([ovs-appctl dpctl/dump-flows | grep "eth_type(0x0800)" |
dnl
+ strip_ptype | strip_eth | strip_recirc | strip_stats |
dnl
+ strip_used | sort], [dnl
+recirc_id(<recirc>),in_port(2),eth_type(0x0800),ipv4(frag=no), packets:0,
bytes:0, used:0.0s, actions:drop])
+
+OVS_TRAFFIC_VSWITCHD_STOP(["/|WARN|/d"])
+AT_CLEANUP
+
AT_SETUP([datapath - simulated flow action update])
OVS_TRAFFIC_VSWITCHD_START()
--
2.43.0
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