ofproto-dpif: Make OFPAT_ENQUEUE to input port do nothing.

This makes OFPAT_ENQUEUE consistent with OFPAT_OUTPUT for the purpose of
sending a packet back out the input port: both only do it if the port is
given as OFPP_IN_PORT.

Found by inspection.

diff --git a/ofproto/ofproto-dpif.c b/ofproto/ofproto-dpif.c
index d9bda35..005daf4 100644 (file)
--- a/ofproto/ofproto-dpif.c
+++ b/ofproto/ofproto-dpif.c
@@ -3034,6 +3034,8 @@ xlate_enqueue_action(struct action_xlate_ctx *ctx,
     ofp_port = ntohs(oae->port);
     if (ofp_port == OFPP_IN_PORT) {
         ofp_port = ctx->flow.in_port;
+    } else if (ofp_port == ctx->flow.in_port) {
+        return;
     }
     odp_port = ofp_port_to_odp_port(ofp_port);