Use ovs_be32 in nx_flow_mod_table_id
[openvswitch] / vswitchd / bridge.c
index e857077a86292ca35ef34d89335dd4155a9fd979..adc3b47cc9b524e087d5ddf755adc7476e9ca864 100644 (file)
@@ -50,7 +50,7 @@
 #include "util.h"
 #include "unixctl.h"
 #include "vlandev.h"
-#include "vswitchd/vswitch-idl.h"
+#include "lib/vswitch-idl.h"
 #include "xenserver.h"
 #include "vlog.h"
 #include "sflow_api.h"
@@ -75,6 +75,7 @@ struct iface {
     struct netdev *netdev;      /* Network device. */
     const char *type;           /* Usually same as cfg->type. */
     const struct ovsrec_interface *cfg;
+    bool need_refresh;          /* Refresh iface after create. */
 };
 
 struct mirror {
@@ -86,8 +87,8 @@ struct mirror {
 };
 
 struct port {
-    struct bridge *bridge;
     struct hmap_node hmap_node; /* Element in struct bridge's "ports" hmap. */
+    struct bridge *bridge;
     char *name;
 
     const struct ovsrec_port *cfg;
@@ -171,11 +172,6 @@ static void bridge_pick_local_hw_addr(struct bridge *,
 static uint64_t bridge_pick_datapath_id(struct bridge *,
                                         const uint8_t bridge_ea[ETH_ADDR_LEN],
                                         struct iface *hw_addr_iface);
-static const char *bridge_get_other_config(const struct ovsrec_bridge *,
-                                            const char *key);
-static const char *get_port_other_config(const struct ovsrec_port *,
-                                         const char *key,
-                                         const char *default_value);
 static uint64_t dpid_from_hash(const void *, size_t nbytes);
 static bool bridge_has_bond_fake_iface(const struct bridge *,
                                        const char *name);
@@ -219,10 +215,6 @@ 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 const char *get_interface_other_config(const struct ovsrec_interface *,
-                                              const char *key,
-                                              const char *default_value);
-
 static void shash_from_ovs_idl_map(char **keys, char **values, size_t n,
                                    struct shash *);
 static void shash_to_ovs_idl_map(struct shash *,
@@ -438,8 +430,12 @@ bridge_reconfigure(const struct ovsrec_open_vswitch *ovs_cfg)
      * has at least one iface, every "struct iface" has a valid ofp_port and
      * netdev. */
     HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) {
-        if (!br->ofproto && !bridge_add_ofprotos(br)) {
-            bridge_destroy(br);
+        if (!br->ofproto) {
+            if (bridge_add_ofprotos(br)) {
+                bridge_del_ofproto_ports(br);
+            } else {
+                bridge_destroy(br);
+            }
         }
     }
     HMAP_FOR_EACH (br, node, &all_bridges) {
@@ -585,7 +581,7 @@ port_configure(struct port *port)
             s.vlan_mode = PORT_VLAN_TRUNK;
         }
     }
-    s.use_priority_tags = !strcmp("true", get_port_other_config(
+    s.use_priority_tags = !strcmp("true", ovsrec_port_get_other_config_value(
                                       cfg, "priority-tags", ""));
 
     /* Get LACP settings. */
@@ -776,7 +772,8 @@ port_configure_stp(const struct ofproto *ofproto, struct port *port,
     const char *config_str;
     struct iface *iface;
 
-    config_str = get_port_other_config(port->cfg, "stp-enable", NULL);
+    config_str = ovsrec_port_get_other_config_value(port->cfg, "stp-enable",
+                                                    NULL);
     if (config_str && !strcmp(config_str, "false")) {
         port_s->enable = false;
         return;
@@ -809,7 +806,8 @@ port_configure_stp(const struct ofproto *ofproto, struct port *port,
         return;
     }
 
-    config_str = get_port_other_config(port->cfg, "stp-port-num", NULL);
+    config_str = ovsrec_port_get_other_config_value(port->cfg, "stp-port-num",
+                                                    NULL);
     if (config_str) {
         unsigned long int port_num = strtoul(config_str, NULL, 0);
         int port_idx = port_num - 1;
@@ -838,11 +836,12 @@ port_configure_stp(const struct ofproto *ofproto, struct port *port,
         port_s->port_num = (*port_num_counter)++;
     }
 
-    config_str = get_port_other_config(port->cfg, "stp-path-cost", NULL);
+    config_str = ovsrec_port_get_other_config_value(port->cfg, "stp-path-cost",
+                                                    NULL);
     if (config_str) {
         port_s->path_cost = strtoul(config_str, NULL, 10);
     } else {
-        uint32_t current;
+        enum netdev_features current;
 
         if (netdev_get_features(iface->netdev, &current, NULL, NULL, NULL)) {
             /* Couldn't get speed, so assume 100Mb/s. */
@@ -855,7 +854,9 @@ port_configure_stp(const struct ofproto *ofproto, struct port *port,
         }
     }
 
-    config_str = get_port_other_config(port->cfg, "stp-port-priority", NULL);
+    config_str = ovsrec_port_get_other_config_value(port->cfg,
+                                                    "stp-port-priority",
+                                                    NULL);
     if (config_str) {
         port_s->priority = strtoul(config_str, NULL, 0);
     } else {
@@ -876,7 +877,9 @@ bridge_configure_stp(struct bridge *br)
         int port_num_counter;
         unsigned long *port_num_bitmap;
 
-        config_str = bridge_get_other_config(br->cfg, "stp-system-id");
+        config_str = ovsrec_bridge_get_other_config_value(br->cfg,
+                                                          "stp-system-id",
+                                                          NULL);
         if (config_str) {
             uint8_t ea[ETH_ADDR_LEN];
 
@@ -891,28 +894,36 @@ bridge_configure_stp(struct bridge *br)
             br_s.system_id = eth_addr_to_uint64(br->ea);
         }
 
-        config_str = bridge_get_other_config(br->cfg, "stp-priority");
+        config_str = ovsrec_bridge_get_other_config_value(br->cfg,
+                                                          "stp-priority",
+                                                          NULL);
         if (config_str) {
             br_s.priority = strtoul(config_str, NULL, 0);
         } else {
             br_s.priority = STP_DEFAULT_BRIDGE_PRIORITY;
         }
 
-        config_str = bridge_get_other_config(br->cfg, "stp-hello-time");
+        config_str = ovsrec_bridge_get_other_config_value(br->cfg,
+                                                          "stp-hello-time",
+                                                          NULL);
         if (config_str) {
             br_s.hello_time = strtoul(config_str, NULL, 10) * 1000;
         } else {
             br_s.hello_time = STP_DEFAULT_HELLO_TIME;
         }
 
-        config_str = bridge_get_other_config(br->cfg, "stp-max-age");
+        config_str = ovsrec_bridge_get_other_config_value(br->cfg,
+                                                          "stp-max-age",
+                                                          NULL);
         if (config_str) {
             br_s.max_age = strtoul(config_str, NULL, 10) * 1000;
         } else {
             br_s.max_age = STP_DEFAULT_MAX_AGE;
         }
 
-        config_str = bridge_get_other_config(br->cfg, "stp-forward-delay");
+        config_str = ovsrec_bridge_get_other_config_value(br->cfg,
+                                                          "stp-forward-delay",
+                                                          NULL);
         if (config_str) {
             br_s.fwd_delay = strtoul(config_str, NULL, 10) * 1000;
         } else {
@@ -1178,9 +1189,10 @@ bridge_add_ofproto_ports(struct bridge *br)
             }
 
             /* Populate stats columns in new Interface rows. */
-            if (iface->netdev && !iface->cfg->mtu) {
+            if (iface->netdev && iface->need_refresh) {
                 iface_refresh_stats(iface);
                 iface_refresh_status(iface);
+                iface->need_refresh = false;
             }
 
             /* Delete the iface if we failed. */
@@ -1228,27 +1240,6 @@ bridge_add_ofproto_ports(struct bridge *br)
     }
 }
 
-static const char *
-get_ovsrec_key_value(char **keys, char **values, size_t n, const char *key)
-{
-    size_t i;
-
-    for (i = 0; i < n; i++) {
-        if (!strcmp(keys[i], key)) {
-            return values[i];
-        }
-    }
-    return NULL;
-}
-
-static const char *
-bridge_get_other_config(const struct ovsrec_bridge *br_cfg, const char *key)
-{
-    return get_ovsrec_key_value(br_cfg->key_other_config,
-                                br_cfg->value_other_config,
-                                br_cfg->n_other_config, key);
-}
-
 /* Set Flow eviction threshold */
 static void
 bridge_configure_flow_eviction_threshold(struct bridge *br)
@@ -1256,7 +1247,10 @@ bridge_configure_flow_eviction_threshold(struct bridge *br)
     const char *threshold_str;
     unsigned threshold;
 
-    threshold_str = bridge_get_other_config(br->cfg, "flow-eviction-threshold");
+    threshold_str =
+        ovsrec_bridge_get_other_config_value(br->cfg,
+                                             "flow-eviction-threshold",
+                                             NULL);
     if (threshold_str) {
         threshold = strtoul(threshold_str, NULL, 10);
     } else {
@@ -1272,7 +1266,9 @@ bridge_configure_forward_bpdu(struct bridge *br)
     const char *forward_bpdu_str;
     bool forward_bpdu = false;
 
-    forward_bpdu_str = bridge_get_other_config(br->cfg, "forward-bpdu");
+    forward_bpdu_str = ovsrec_bridge_get_other_config_value(br->cfg,
+                                                            "forward-bpdu",
+                                                            NULL);
     if (forward_bpdu_str && !strcmp(forward_bpdu_str, "true")) {
         forward_bpdu = true;
     }
@@ -1286,7 +1282,9 @@ bridge_configure_mac_idle_time(struct bridge *br)
     const char *idle_time_str;
     int idle_time;
 
-    idle_time_str = bridge_get_other_config(br->cfg, "mac-aging-time");
+    idle_time_str = ovsrec_bridge_get_other_config_value(br->cfg,
+                                                         "mac-aging-time",
+                                                         NULL);
     idle_time = (idle_time_str && atoi(idle_time_str)
                  ? atoi(idle_time_str)
                  : MAC_ENTRY_DEFAULT_IDLE_TIME);
@@ -1307,7 +1305,7 @@ bridge_pick_local_hw_addr(struct bridge *br, uint8_t ea[ETH_ADDR_LEN],
     *hw_addr_iface = NULL;
 
     /* Did the user request a particular MAC? */
-    hwaddr = bridge_get_other_config(br->cfg, "hwaddr");
+    hwaddr = ovsrec_bridge_get_other_config_value(br->cfg, "hwaddr", NULL);
     if (hwaddr && eth_addr_from_string(hwaddr, ea)) {
         if (eth_addr_is_multicast(ea)) {
             VLOG_ERR("bridge %s: cannot set MAC address to multicast "
@@ -1431,7 +1429,8 @@ bridge_pick_datapath_id(struct bridge *br,
     const char *datapath_id;
     uint64_t dpid;
 
-    datapath_id = bridge_get_other_config(br->cfg, "datapath-id");
+    datapath_id = ovsrec_bridge_get_other_config_value(br->cfg, "datapath-id",
+                                                       NULL);
     if (datapath_id && dpid_from_string(datapath_id, &dpid)) {
         return dpid;
     }
@@ -1479,8 +1478,8 @@ iface_refresh_status(struct iface *iface)
 {
     struct shash sh;
 
+    enum netdev_features current;
     enum netdev_flags flags;
-    uint32_t current;
     int64_t bps;
     int mtu;
     int64_t mtu_64;
@@ -1492,7 +1491,7 @@ iface_refresh_status(struct iface *iface)
 
     shash_init(&sh);
 
-    if (!netdev_get_status(iface->netdev, &sh)) {
+    if (!netdev_get_drv_info(iface->netdev, &sh)) {
         size_t n;
         char **keys, **values;
 
@@ -1509,7 +1508,8 @@ iface_refresh_status(struct iface *iface)
 
     error = netdev_get_flags(iface->netdev, &flags);
     if (!error) {
-        ovsrec_interface_set_admin_state(iface->cfg, flags & NETDEV_UP ? "up" : "down");
+        ovsrec_interface_set_admin_state(iface->cfg,
+                                         flags & NETDEV_UP ? "up" : "down");
     }
     else {
         ovsrec_interface_set_admin_state(iface->cfg, NULL);
@@ -1624,7 +1624,8 @@ iface_refresh_stats(struct iface *iface)
 #undef IFACE_STAT
     assert(i == ARRAY_SIZE(keys));
 
-    ovsrec_interface_set_statistics(iface->cfg, keys, values, ARRAY_SIZE(keys));
+    ovsrec_interface_set_statistics(iface->cfg, keys, values,
+                                    ARRAY_SIZE(keys));
 #undef IFACE_STATS
 }
 
@@ -1727,10 +1728,9 @@ enable_system_stats(const struct ovsrec_open_vswitch *cfg)
     const char *enable;
 
     /* Use other-config:enable-system-stats by preference. */
-    enable = get_ovsrec_key_value(cfg->key_other_config,
-                                  cfg->value_other_config,
-                                  cfg->n_other_config,
-                                  "enable-statistics");
+    enable = ovsrec_open_vswitch_get_other_config_value(cfg,
+                                                        "enable-statistics",
+                                                        NULL);
     if (enable) {
         return !strcmp(enable, "true");
     }
@@ -2084,7 +2084,7 @@ qos_unixctl_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
 
     iface = iface_find(argv[1]);
     if (!iface) {
-        unixctl_command_reply(conn, 501, "no such interface");
+        unixctl_command_reply_error(conn, "no such interface");
         return;
     }
 
@@ -2104,10 +2104,10 @@ qos_unixctl_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
         if (error) {
             ds_put_format(&ds, "failed to dump queues: %s", strerror(error));
         }
-        unixctl_command_reply(conn, 200, ds_cstr(&ds));
+        unixctl_command_reply(conn, ds_cstr(&ds));
     } else {
         ds_put_format(&ds, "QoS not configured on %s\n", iface->name);
-        unixctl_command_reply(conn, 501, ds_cstr(&ds));
+        unixctl_command_reply_error(conn, ds_cstr(&ds));
     }
 
     shash_destroy_free_data(&sh);
@@ -2189,14 +2189,14 @@ bridge_unixctl_dump_flows(struct unixctl_conn *conn, int argc OVS_UNUSED,
 
     br = bridge_lookup(argv[1]);
     if (!br) {
-        unixctl_command_reply(conn, 501, "Unknown bridge");
+        unixctl_command_reply_error(conn, "Unknown bridge");
         return;
     }
 
     ds_init(&results);
     ofproto_get_all_flows(br->ofproto, &results);
 
-    unixctl_command_reply(conn, 200, ds_cstr(&results));
+    unixctl_command_reply(conn, ds_cstr(&results));
     ds_destroy(&results);
 }
 
@@ -2211,7 +2211,7 @@ bridge_unixctl_reconnect(struct unixctl_conn *conn, int argc,
     if (argc > 1) {
         br = bridge_lookup(argv[1]);
         if (!br) {
-            unixctl_command_reply(conn, 501, "Unknown bridge");
+            unixctl_command_reply_error(conn,  "Unknown bridge");
             return;
         }
         ofproto_reconnect_controllers(br->ofproto);
@@ -2220,7 +2220,7 @@ bridge_unixctl_reconnect(struct unixctl_conn *conn, int argc,
             ofproto_reconnect_controllers(br->ofproto);
         }
     }
-    unixctl_command_reply(conn, 200, NULL);
+    unixctl_command_reply(conn, NULL);
 }
 
 static size_t
@@ -2336,6 +2336,8 @@ static void
 bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller *c,
                                       struct ofproto_controller *oc)
 {
+    const char *config_str;
+
     oc->target = c->target;
     oc->max_backoff = c->max_backoff ? *c->max_backoff / 1000 : 8;
     oc->probe_interval = c->inactivity_probe ? *c->inactivity_probe / 1000 : 5;
@@ -2346,6 +2348,12 @@ bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller *c,
                        ? *c->controller_burst_limit : 0);
     oc->enable_async_msgs = (!c->enable_async_messages
                              || *c->enable_async_messages);
+    config_str = ovsrec_controller_get_other_config_value(c, "dscp", NULL);
+    if (config_str) {
+        oc->dscp = atoi(config_str);
+    } else {
+        oc->dscp = DSCP_DEFAULT;
+    }
 }
 
 /* Configures the IP stack for 'br''s local interface properly according to the
@@ -2430,13 +2438,17 @@ bridge_configure_remotes(struct bridge *br,
     size_t i;
 
     /* Check if we should disable in-band control on this bridge. */
-    disable_ib_str = bridge_get_other_config(br->cfg, "disable-in-band");
+    disable_ib_str = ovsrec_bridge_get_other_config_value(br->cfg,
+                                                          "disable-in-band",
+                                                          NULL);
     if (disable_ib_str && !strcmp(disable_ib_str, "true")) {
         disable_in_band = true;
     }
 
     /* Set OpenFlow queue ID for in-band control. */
-    queue_id_str = bridge_get_other_config(br->cfg, "in-band-queue");
+    queue_id_str = ovsrec_bridge_get_other_config_value(br->cfg,
+                                                        "in-band-queue",
+                                                        NULL);
     queue_id = queue_id_str ? strtol(queue_id_str, NULL, 10) : -1;
     ofproto_set_in_band_queue(br->ofproto, queue_id);
 
@@ -2591,30 +2603,6 @@ port_create(struct bridge *br, const struct ovsrec_port *cfg)
     return port;
 }
 
-static const char *
-get_port_other_config(const struct ovsrec_port *port, const char *key,
-                      const char *default_value)
-{
-    const char *value;
-
-    value = get_ovsrec_key_value(port->key_other_config,
-                                 port->value_other_config,
-                                 port->n_other_config, key);
-    return value ? value : default_value;
-}
-
-static const char *
-get_interface_other_config(const struct ovsrec_interface *iface,
-                           const char *key, const char *default_value)
-{
-    const char *value;
-
-    value = get_ovsrec_key_value(iface->key_other_config,
-                                 iface->value_other_config,
-                                 iface->n_other_config, key);
-    return value ? value : default_value;
-}
-
 /* Deletes interfaces from 'port' that are no longer configured for it. */
 static void
 port_del_ifaces(struct port *port)
@@ -2761,7 +2749,8 @@ port_configure_lacp(struct port *port, struct lacp_settings *s)
 
     s->name = port->name;
 
-    system_id = get_port_other_config(port->cfg, "lacp-system-id", NULL);
+    system_id = ovsrec_port_get_other_config_value(port->cfg, "lacp-system-id",
+                                                   NULL);
     if (system_id) {
         if (sscanf(system_id, ETH_ADDR_SCAN_FMT,
                    ETH_ADDR_SCAN_ARGS(s->id)) != ETH_ADDR_SCAN_COUNT) {
@@ -2779,17 +2768,20 @@ port_configure_lacp(struct port *port, struct lacp_settings *s)
     }
 
     /* Prefer bondable links if unspecified. */
-    priority = atoi(get_port_other_config(port->cfg, "lacp-system-priority",
-                                          "0"));
+    priority = atoi(ovsrec_port_get_other_config_value(port->cfg,
+                                                       "lacp-system-priority",
+                                                       "0"));
     s->priority = (priority > 0 && priority <= UINT16_MAX
                    ? priority
                    : UINT16_MAX - !list_is_short(&port->ifaces));
 
-    s->heartbeat = !strcmp(get_port_other_config(port->cfg,
-                                                 "lacp-heartbeat",
-                                                 "false"), "true");
+    s->heartbeat = !strcmp(ovsrec_port_get_other_config_value(port->cfg,
+                                                              "lacp-heartbeat",
+                                                              "false"),
+                           "true");
 
-    lacp_time = get_port_other_config(port->cfg, "lacp-time", "slow");
+    lacp_time = ovsrec_port_get_other_config_value(port->cfg, "lacp-time",
+                                                   "slow");
     custom_time = atoi(lacp_time);
     if (!strcmp(lacp_time, "fast")) {
         s->lacp_time = LACP_TIME_FAST;
@@ -2810,11 +2802,16 @@ iface_configure_lacp(struct iface *iface, struct lacp_slave_settings *s)
 {
     int priority, portid, key;
 
-    portid = atoi(get_interface_other_config(iface->cfg, "lacp-port-id", "0"));
-    priority = atoi(get_interface_other_config(iface->cfg,
-                                               "lacp-port-priority", "0"));
-    key = atoi(get_interface_other_config(iface->cfg, "lacp-aggregation-key",
-                                          "0"));
+    portid = atoi(ovsrec_interface_get_other_config_value(iface->cfg,
+                                                          "lacp-port-id",
+                                                          "0"));
+    priority =
+        atoi(ovsrec_interface_get_other_config_value(iface->cfg,
+                                                     "lacp-port-priority",
+                                                     "0"));
+    key = atoi(ovsrec_interface_get_other_config_value(iface->cfg,
+                                                       "lacp-aggregation-key",
+                                                       "0"));
 
     if (portid <= 0 || portid > UINT16_MAX) {
         portid = iface->ofp_port;
@@ -2867,13 +2864,16 @@ port_configure_bond(struct port *port, struct bond_settings *s,
                   port->name);
     }
 
-    miimon_interval = atoi(get_port_other_config(port->cfg,
-                                                 "bond-miimon-interval", "0"));
+    miimon_interval =
+        atoi(ovsrec_port_get_other_config_value(port->cfg,
+                                                "bond-miimon-interval", "0"));
     if (miimon_interval <= 0) {
         miimon_interval = 200;
     }
 
-    detect_s = get_port_other_config(port->cfg, "bond-detect-mode", "carrier");
+    detect_s = ovsrec_port_get_other_config_value(port->cfg,
+                                                  "bond-detect-mode",
+                                                  "carrier");
     if (!strcmp(detect_s, "carrier")) {
         miimon_interval = 0;
     } else if (strcmp(detect_s, "miimon")) {
@@ -2884,9 +2884,13 @@ port_configure_bond(struct port *port, struct bond_settings *s,
 
     s->up_delay = MAX(0, port->cfg->bond_updelay);
     s->down_delay = MAX(0, port->cfg->bond_downdelay);
-    s->basis = atoi(get_port_other_config(port->cfg, "bond-hash-basis", "0"));
+    s->basis = atoi(ovsrec_port_get_other_config_value(port->cfg,
+                                                       "bond-hash-basis",
+                                                       "0"));
     s->rebalance_interval = atoi(
-        get_port_other_config(port->cfg, "bond-rebalance-interval", "10000"));
+        ovsrec_port_get_other_config_value(port->cfg,
+                                           "bond-rebalance-interval",
+                                           "10000"));
     if (s->rebalance_interval && s->rebalance_interval < 1000) {
         s->rebalance_interval = 1000;
     }
@@ -2897,8 +2901,10 @@ port_configure_bond(struct port *port, struct bond_settings *s,
     LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
         long long stable_id;
 
-        stable_id = atoll(get_interface_other_config(iface->cfg,
-                                                     "bond-stable-id", "0"));
+        stable_id =
+            atoll(ovsrec_interface_get_other_config_value(iface->cfg,
+                                                          "bond-stable-id",
+                                                          "0"));
         if (stable_id <= 0 || stable_id >= UINT32_MAX) {
             stable_id = iface->ofp_port;
         }
@@ -2932,6 +2938,7 @@ iface_create(struct port *port, const struct ovsrec_interface *if_cfg)
     iface->tag = tag_create_random();
     iface->netdev = NULL;
     iface->cfg = if_cfg;
+    iface->need_refresh = true;
 
     hmap_insert(&br->iface_by_name, &iface->name_node, hash_string(name, 0));
 
@@ -3196,11 +3203,6 @@ iface_configure_qos(struct iface *iface, const struct ovsrec_qos *qos)
             shash_destroy(&details);
         }
         if (!queue_zero) {
-            static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
-            VLOG_WARN_RL(&rl, "interface %s: QoS configured without a default "
-                         "queue (queue 0).  Using default configuration.",
-                         iface->name);
-
             shash_init(&details);
             netdev_set_queue(iface->netdev, 0, &details);
             shash_destroy(&details);
@@ -3227,6 +3229,7 @@ iface_configure_cfm(struct iface *iface)
 {
     const struct ovsrec_interface *cfg = iface->cfg;
     const char *extended_str, *opstate_str;
+    const char *cfm_ccm_vlan;
     struct cfm_settings s;
 
     if (!cfg->n_cfm_mpid) {
@@ -3235,21 +3238,36 @@ iface_configure_cfm(struct iface *iface)
     }
 
     s.mpid = *cfg->cfm_mpid;
-    s.interval = atoi(get_interface_other_config(iface->cfg, "cfm_interval",
-                                                 "0"));
-    s.ccm_vlan = atoi(get_interface_other_config(iface->cfg, "cfm_ccm_vlan",
-                                                 "0"));
-    s.ccm_pcp = atoi(get_interface_other_config(iface->cfg, "cfm_ccm_pcp",
-                                                "0"));
+    s.interval = atoi(ovsrec_interface_get_other_config_value(iface->cfg,
+                                                              "cfm_interval",
+                                                              "0"));
+    cfm_ccm_vlan = ovsrec_interface_get_other_config_value(iface->cfg,
+                                                           "cfm_ccm_vlan",
+                                                           "0");
+    s.ccm_pcp = atoi(ovsrec_interface_get_other_config_value(iface->cfg,
+                                                             "cfm_ccm_pcp",
+                                                             "0"));
     if (s.interval <= 0) {
         s.interval = 1000;
     }
 
-    extended_str = get_interface_other_config(iface->cfg, "cfm_extended",
-                                              "false");
+    if (!strcasecmp("random", cfm_ccm_vlan)) {
+        s.ccm_vlan = CFM_RANDOM_VLAN;
+    } else {
+        s.ccm_vlan = atoi(cfm_ccm_vlan);
+        if (s.ccm_vlan == CFM_RANDOM_VLAN) {
+            s.ccm_vlan = 0;
+        }
+    }
+
+    extended_str = ovsrec_interface_get_other_config_value(iface->cfg,
+                                                           "cfm_extended",
+                                                           "false");
     s.extended = !strcasecmp("true", extended_str);
 
-    opstate_str = get_interface_other_config(iface->cfg, "cfm_opstate", "up");
+    opstate_str = ovsrec_interface_get_other_config_value(iface->cfg,
+                                                          "cfm_opstate",
+                                                          "up");
     s.opup = !strcasecmp("up", opstate_str);
 
     ofproto_port_set_cfm(iface->port->bridge->ofproto, iface->ofp_port, &s);
@@ -3262,6 +3280,7 @@ iface_is_synthetic(const struct iface *iface)
 {
     return ovsdb_idl_row_is_synthetic(&iface->cfg->header_);
 }
+
 \f
 /* Port mirroring. */
 
@@ -3490,7 +3509,9 @@ vlan_splinters_is_enabled(const struct ovsrec_interface *iface_cfg)
 {
     const char *value;
 
-    value = get_interface_other_config(iface_cfg, "enable-vlan-splinters", "");
+    value = ovsrec_interface_get_other_config_value(iface_cfg,
+                                                    "enable-vlan-splinters",
+                                                    "");
     return !strcmp(value, "true");
 }
 
@@ -3635,7 +3656,8 @@ configure_splinter_port(struct port *port)
     vlandev = CONTAINER_OF(list_front(&port->ifaces), struct iface,
                            port_elem);
 
-    realdev_name = get_port_other_config(port->cfg, "realdev", NULL);
+    realdev_name = ovsrec_port_get_other_config_value(port->cfg,
+                                                      "realdev", NULL);
     realdev = iface_lookup(port->bridge, realdev_name);
     realdev_ofp_port = realdev ? realdev->ofp_port : 0;