When ofproto probe for datapath features, no packets should actually
be sent to the network. This pactch fixes the userspace by dropping
probe packets before action execution.
Signed-off-by: Andy Zhou <az...@ovn.org>
---
lib/dpif-netdev.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/lib/dpif-netdev.c b/lib/dpif-netdev.c
index 3901129..9c21af3 100644
--- a/lib/dpif-netdev.c
+++ b/lib/dpif-netdev.c
@@ -2660,6 +2660,13 @@ dpif_netdev_execute(struct dpif *dpif, struct
dpif_execute *execute)
}
}
+ if (execute->probe) {
+ /* If this is part of a probe, Drop the packet, since executing
+ * the action may actually cause spurious packets be sent into
+ * the network. */
+ return 0;
+ }
+
/* If the current thread is non-pmd thread, acquires
* the 'non_pmd_mutex'. */
if (pmd->core_id == NON_PMD_CORE_ID) {
--
1.9.1
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