[ovs-dev] [PATCH 2/5] ofp-actions: Translate OF1.0 "enqueue" actions for OF1.1+.

[Ben Pfaff]

Previously, the OF1.0 "enqueue" action was simply omitted when actions
were translated into OpenFlow 1.1 or later, which do not have a similar
action.  This commit translates this action into an equivalent sequence
of actions.

Signed-off-by: Ben Pfaff <blp at ovn.org>
---
 NEWS                 |  1 +
 lib/ofp-actions.c    |  8 +++++++-
 tests/ofp-actions.at | 17 +++++++++++++++++
 3 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/NEWS b/NEWS
index b376420..3c206f7 100644
--- a/NEWS
+++ b/NEWS
@@ -20,6 +20,7 @@ Post-v2.5.0
      * New command OFPGC_ADD_OR_MOD for OFPT_GROUP_MOD message that adds a
        new group or modifies an existing groups
      * New OpenFlow extension to support the "group" action in OpenFlow 1.0.
+     * OpenFlow 1.0 "enqueue" action now properly translated to OpenFlow 1.1+.
    - ovs-ofctl:
      * queue-get-config command now allows a queue ID to be specified.
      * '--bundle' option can now be used with OpenFlow 1.3.
diff --git a/lib/ofp-actions.c b/lib/ofp-actions.c
index 0aafe0a..4ac284f 100644
--- a/lib/ofp-actions.c
+++ b/lib/ofp-actions.c
@@ -990,7 +990,13 @@ encode_ENQUEUE(const struct ofpact_enqueue *enqueue,
         oae->port = htons(ofp_to_u16(enqueue->port));
         oae->queue_id = htonl(enqueue->queue);
     } else {
-        /* XXX */
+        put_OFPAT_SET_QUEUE(out, ofp_version, enqueue->queue);
+
+        struct ofp11_action_output *oao = put_OFPAT11_OUTPUT(out);
+        oao->port = ofputil_port_to_ofp11(enqueue->port);
+        oao->max_len = OVS_BE16_MAX;
+
+        put_NXAST_POP_QUEUE(out);
     }
 }
 
diff --git a/tests/ofp-actions.at b/tests/ofp-actions.at
index 23d3202..a3b4ccf 100644
--- a/tests/ofp-actions.at
+++ b/tests/ofp-actions.at
@@ -751,3 +751,20 @@ NXST_FLOW reply:
 ])
 OVS_VSWITCHD_STOP
 AT_CLEANUP
+
+AT_SETUP([enqueue action for OF1.1+])
+AT_KEYWORDS([ofp-actions])
+OVS_VSWITCHD_START
+dnl OpenFlow 1.0 has an "enqueue" action.  For OpenFlow 1.1+, we translate
+dnl it to a series of actions that accomplish the same thing.
+AT_CHECK([ovs-ofctl -O OpenFlow10 add-flow br0 'actions=enqueue(123,456)'])
+AT_CHECK([ovs-ofctl -O OpenFlow10 dump-flows br0 | ofctl_strip], [0], [dnl
+NXST_FLOW reply:
+ actions=enqueue:123:456
+])
+AT_CHECK([ovs-ofctl -O OpenFlow13 dump-flows br0 | ofctl_strip], [0], [dnl
+OFPST_FLOW reply (OF1.3):
+ reset_counts actions=set_queue:456,output:123,pop_queue
+])
+OVS_VSWITCHD_STOP
+AT_CLEANUP
-- 
2.1.3