[ovs-dev] [PATCH v2 ovn] Encode the virtual port key in vport_bind action in network byte order

[nusiddiq at redhat.com]

From: Numan Siddique <nusiddiq at redhat.com>

The commit [1] encoded the vport key using uint32_t and the test case
"action parsing" is failing for s380 arch.

This patch fixes this issue by encoding the vport key in the network byte
order.

[1] - 054f4c85c413("Add a new logical switch port type - 'virtual'")
Fixes: 054f4c85c413("Add a new logical switch port type - 'virtual'")

Signed-off-by: Numan Siddique <nusiddiq at redhat.com>
---
v1 -> v2
=======
  * There was a sparse compilation error when I missed checking when
    submitting v1.  Corrected it.


 controller/pinctrl.c | 11 ++++++-----
 lib/actions.c        |  3 ++-
 tests/ovn.at         |  2 +-
 3 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/controller/pinctrl.c b/controller/pinctrl.c
index f05579fcc..f27718f55 100644
--- a/controller/pinctrl.c
+++ b/controller/pinctrl.c
@@ -4489,16 +4489,17 @@ pinctrl_handle_bind_vport(
     uint32_t vport_parent_key = md->regs[MFF_LOG_INPORT - MFF_REG0];
 
     /* Get the virtual port key from the userdata buffer. */
-    uint32_t *vport_key = ofpbuf_try_pull(userdata, sizeof *vport_key);
+    ovs_be32 *vp_key = ofpbuf_try_pull(userdata, sizeof *vp_key);
 
-    if (!vport_key) {
+    if (!vp_key) {
         return;
     }
 
-    uint32_t hash = hash_2words(dp_key, *vport_key);
+    uint32_t vport_key = ntohl(*vp_key);
+    uint32_t hash = hash_2words(dp_key, vport_key);
 
     struct put_vport_binding *vpb
-        = pinctrl_find_put_vport_binding(dp_key, *vport_key, hash);
+        = pinctrl_find_put_vport_binding(dp_key, vport_key, hash);
     if (!vpb) {
         if (hmap_count(&put_vport_bindings) >= 1000) {
             COVERAGE_INC(pinctrl_drop_put_vport_binding);
@@ -4510,7 +4511,7 @@ pinctrl_handle_bind_vport(
     }
 
     vpb->dp_key = dp_key;
-    vpb->vport_key = *vport_key;
+    vpb->vport_key = vport_key;
     vpb->vport_parent_key = vport_parent_key;
 
     notify_pinctrl_main();
diff --git a/lib/actions.c b/lib/actions.c
index 66916a837..b0cb3490b 100644
--- a/lib/actions.c
+++ b/lib/actions.c
@@ -2645,7 +2645,8 @@ encode_BIND_VPORT(const struct ovnact_bind_vport *vp,
     size_t oc_offset = encode_start_controller_op(ACTION_OPCODE_BIND_VPORT,
                                                   false, NX_CTLR_NO_METER,
                                                   ofpacts);
-    ofpbuf_put(ofpacts, &vport_key, sizeof(uint32_t));
+    ovs_be32 vp_key = htonl(vport_key);
+    ofpbuf_put(ofpacts, &vp_key, sizeof(ovs_be32));
     encode_finish_controller_op(oc_offset, ofpacts);
     encode_restore_args(args, ARRAY_SIZE(args), ofpacts);
 }
diff --git a/tests/ovn.at b/tests/ovn.at
index e88cffa20..344efad26 100644
--- a/tests/ovn.at
+++ b/tests/ovn.at
@@ -1371,7 +1371,7 @@ reg0[0] = check_pkt_larger(foo);
 # bind_vport
 # lsp1's port key is 0x11.
 bind_vport("lsp1", inport);
-    encodes as controller(userdata=00.00.00.11.00.00.00.00.11.00.00.00)
+    encodes as controller(userdata=00.00.00.11.00.00.00.00.00.00.00.11)
 # lsp2 doesn't exist. So it should be encoded as drop.
 bind_vport("lsp2", inport);
     encodes as drop
-- 
2.21.0