From: Gurucharan Shetty <[email protected]>

Currently, the 'ofport' column in Interface table is
ephemeral and is populated by vswitchd everytime it is
started or when a new interface is created with vswitchd
running.

Making it persistent lets vswitchd try and assign the
same ofport number to a particular interface across
restarts. This is just a fallback option when
'ofport_request' column is empty.

Signed-off-by: Gurucharan Shetty <[email protected]>
---
 vswitchd/bridge.c          |   15 ++++++++++-----
 vswitchd/vswitch.ovsschema |    7 +++----
 2 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/vswitchd/bridge.c b/vswitchd/bridge.c
index d1e24d0..8f16432 100644
--- a/vswitchd/bridge.c
+++ b/vswitchd/bridge.c
@@ -247,6 +247,7 @@ static void iface_refresh_cfm_stats(struct iface *);
 static void iface_refresh_stats(struct iface *);
 static void iface_refresh_status(struct iface *);
 static bool iface_is_synthetic(const struct iface *);
+static int64_t iface_pick_ofport(const struct ovsrec_interface *);
 
 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
  *
@@ -295,8 +296,7 @@ bridge_init_ofproto(const struct ovsrec_open_vswitch *cfg)
                     iface_hint = xmalloc(sizeof *iface_hint);
                     iface_hint->br_name = br_cfg->name;
                     iface_hint->br_type = br_cfg->datapath_type;
-                    iface_hint->ofp_port = if_cfg->n_ofport_request ?
-                        *if_cfg->ofport_request : OFPP_NONE;
+                    iface_hint->ofp_port = iface_pick_ofport(if_cfg);
 
                     shash_add(&iface_hints, if_cfg->name, iface_hint);
                 }
@@ -322,7 +322,6 @@ bridge_init(const char *remote)
     idl = ovsdb_idl_create(remote, &ovsrec_idl_class, true);
     idl_seqno = ovsdb_idl_get_seqno(idl);
     ovsdb_idl_set_lock(idl, "ovs_vswitchd");
-    ovsdb_idl_verify_write_only(idl);
 
     ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_cur_cfg);
     ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_statistics);
@@ -347,7 +346,6 @@ bridge_init(const char *remote)
     ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_state);
     ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_resets);
     ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_mtu);
-    ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_ofport);
     ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_statistics);
     ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_status);
     ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault);
@@ -2545,7 +2543,7 @@ bridge_queue_if_cfg(struct bridge *br,
 
     if_cfg->cfg = cfg;
     if_cfg->parent = parent;
-    if_cfg->ofport = cfg->n_ofport_request ? *cfg->ofport_request : OFPP_NONE;
+    if_cfg->ofport = iface_pick_ofport(cfg);
     hmap_insert(&br->if_cfg_todo, &if_cfg->hmap_node,
                 hash_string(if_cfg->cfg->name, 0));
 }
@@ -3478,6 +3476,13 @@ iface_is_synthetic(const struct iface *iface)
     return ovsdb_idl_row_is_synthetic(&iface->cfg->header_);
 }
 
+static int64_t
+iface_pick_ofport(const struct ovsrec_interface *cfg)
+{
+    int64_t ofport = cfg->n_ofport ? *cfg->ofport : OFPP_NONE;
+    return cfg->n_ofport_request ? *cfg->ofport_request : ofport;
+}
+
 
 /* Port mirroring. */
 
diff --git a/vswitchd/vswitch.ovsschema b/vswitchd/vswitch.ovsschema
index fd2bb4b..293a11b 100644
--- a/vswitchd/vswitch.ovsschema
+++ b/vswitchd/vswitch.ovsschema
@@ -1,6 +1,6 @@
 {"name": "Open_vSwitch",
- "version": "6.11.1",
- "cksum": "2684374538 17324",
+ "version": "6.11.2",
+ "cksum": "2033079075 17296",
  "tables": {
    "Open_vSwitch": {
      "columns": {
@@ -180,8 +180,7 @@
        "external_ids": {
          "type": {"key": "string", "value": "string", "min": 0, "max": 
"unlimited"}},
        "ofport": {
-         "type": {"key": "integer", "min": 0, "max": 1},
-         "ephemeral": true},
+         "type": {"key": "integer", "min": 0, "max": 1}},
        "ofport_request": {
          "type": {
            "key": {"type": "integer",
-- 
1.7.9.5

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