bridge: Rate limit default address warnings.
[sliver-openvswitch.git] / vswitchd / bridge.c
index 265410f..e5b546b 100644 (file)
@@ -1,4 +1,4 @@
-/* Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks
+/* Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira Networks
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -32,6 +32,8 @@
 #include "jsonrpc.h"
 #include "lacp.h"
 #include "list.h"
+#include "mac-learning.h"
+#include "meta-flow.h"
 #include "netdev.h"
 #include "ofp-print.h"
 #include "ofpbuf.h"
@@ -48,7 +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"
@@ -73,6 +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 {
@@ -84,8 +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;
@@ -126,6 +129,9 @@ static struct hmap all_bridges = HMAP_INITIALIZER(&all_bridges);
 /* OVSDB IDL used to obtain configuration. */
 static struct ovsdb_idl *idl;
 
+/* Most recently processed IDL sequence number. */
+static unsigned int idl_seqno;
+
 /* Each time this timer expires, the bridge fetches systems and interface
  * statistics and pushes them into the database. */
 #define STATS_INTERVAL (5 * 1000) /* In milliseconds. */
@@ -156,8 +162,10 @@ static void bridge_configure_datapath_id(struct bridge *);
 static void bridge_configure_flow_eviction_threshold(struct bridge *);
 static void bridge_configure_netflow(struct bridge *);
 static void bridge_configure_forward_bpdu(struct bridge *);
+static void bridge_configure_mac_idle_time(struct bridge *);
 static void bridge_configure_sflow(struct bridge *, int *sflow_bridge_number);
 static void bridge_configure_stp(struct bridge *);
+static void bridge_configure_tables(struct bridge *);
 static void bridge_configure_remotes(struct bridge *,
                                      const struct sockaddr_in *managers,
                                      size_t n_managers);
@@ -167,11 +175,6 @@ 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);
@@ -215,10 +218,6 @@ 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 *,
@@ -252,6 +251,7 @@ bridge_init(const char *remote)
 {
     /* Create connection to database. */
     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_omit_alert(idl, &ovsrec_open_vswitch_col_cur_cfg);
@@ -281,7 +281,9 @@ bridge_init(const char *remote)
     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);
+    ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault_status);
     ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_remote_mpids);
+    ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_health);
     ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_lacp_current);
     ovsdb_idl_omit(idl, &ovsrec_interface_col_external_ids);
 
@@ -319,6 +321,7 @@ bridge_init(const char *remote)
     lacp_init();
     bond_init();
     cfm_init();
+    stp_init();
 }
 
 void
@@ -432,8 +435,12 @@ 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) {
@@ -465,10 +472,12 @@ bridge_reconfigure(const struct ovsrec_open_vswitch *ovs_cfg)
         bridge_configure_mirrors(br);
         bridge_configure_flow_eviction_threshold(br);
         bridge_configure_forward_bpdu(br);
+        bridge_configure_mac_idle_time(br);
         bridge_configure_remotes(br, managers, n_managers);
         bridge_configure_netflow(br);
         bridge_configure_sflow(br, &sflow_bridge_number);
         bridge_configure_stp(br);
+        bridge_configure_tables(br);
     }
     free(managers);
 
@@ -577,7 +586,7 @@ 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. */
@@ -768,7 +777,8 @@ 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;
@@ -801,7 +811,8 @@ 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;
@@ -830,11 +841,12 @@ 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. */
@@ -847,7 +859,9 @@ 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 {
@@ -868,7 +882,9 @@ 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];
 
@@ -883,28 +899,36 @@ 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 {
@@ -1170,9 +1194,10 @@ 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. */
@@ -1187,6 +1212,11 @@ bridge_add_ofproto_ports(struct bridge *br)
                     /* We already reported a related error, don't bother
                      * duplicating it. */
                 }
+                if (!ofproto_port_query_by_name(br->ofproto, port->name,
+                                                &ofproto_port)) {
+                    ofproto_port_del(br->ofproto, ofproto_port.ofp_port);
+                    ofproto_port_destroy(&ofproto_port);
+                }
                 iface_clear_db_record(iface->cfg);
                 iface_destroy(iface);
             }
@@ -1220,27 +1250,6 @@ 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)
@@ -1248,7 +1257,10 @@ 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 {
@@ -1264,13 +1276,31 @@ 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;
     }
     ofproto_set_forward_bpdu(br->ofproto, forward_bpdu);
 }
 
+/* Set MAC aging time for 'br'. */
+static void
+bridge_configure_mac_idle_time(struct bridge *br)
+{
+    const char *idle_time_str;
+    int idle_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);
+    ofproto_set_mac_idle_time(br->ofproto, idle_time);
+}
+
 static void
 bridge_pick_local_hw_addr(struct bridge *br, uint8_t ea[ETH_ADDR_LEN],
                           struct iface **hw_addr_iface)
@@ -1285,7 +1315,7 @@ 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 "
@@ -1375,10 +1405,11 @@ bridge_pick_local_hw_addr(struct bridge *br, uint8_t ea[ETH_ADDR_LEN],
         VLOG_DBG("bridge %s: using bridge Ethernet address "ETH_ADDR_FMT,
                  br->name, ETH_ADDR_ARGS(ea));
     } else {
+        static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 10);
         memcpy(ea, br->default_ea, ETH_ADDR_LEN);
         *hw_addr_iface = NULL;
-        VLOG_WARN("bridge %s: using default bridge Ethernet "
-                  "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea));
+        VLOG_WARN_RL(&rl, "bridge %s: using default bridge Ethernet "
+                     "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea));
     }
 
     hmapx_destroy(&mirror_output_ports);
@@ -1409,7 +1440,8 @@ 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;
     }
@@ -1457,8 +1489,8 @@ 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;
@@ -1470,7 +1502,7 @@ 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;
 
@@ -1487,7 +1519,8 @@ 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);
@@ -1525,6 +1558,7 @@ iface_refresh_cfm_stats(struct iface *iface)
     int fault, error;
     const uint64_t *rmps;
     size_t n_rmps;
+    int health;
 
     if (iface_is_synthetic(iface)) {
         return;
@@ -1533,10 +1567,23 @@ iface_refresh_cfm_stats(struct iface *iface)
     fault = ofproto_port_get_cfm_fault(iface->port->bridge->ofproto,
                                        iface->ofp_port);
     if (fault >= 0) {
+        const char *reasons[CFM_FAULT_N_REASONS];
         bool fault_bool = fault;
+        size_t i, j;
+
+        j = 0;
+        for (i = 0; i < CFM_FAULT_N_REASONS; i++) {
+            int reason = 1 << i;
+            if (fault & reason) {
+                reasons[j++] = cfm_fault_reason_to_str(reason);
+            }
+        }
+
         ovsrec_interface_set_cfm_fault(cfg, &fault_bool, 1);
+        ovsrec_interface_set_cfm_fault_status(cfg, (char **) reasons, j);
     } else {
         ovsrec_interface_set_cfm_fault(cfg, NULL, 0);
+        ovsrec_interface_set_cfm_fault_status(cfg, NULL, 0);
     }
 
     error = ofproto_port_get_cfm_remote_mpids(iface->port->bridge->ofproto,
@@ -1547,6 +1594,15 @@ iface_refresh_cfm_stats(struct iface *iface)
     } else {
         ovsrec_interface_set_cfm_remote_mpids(cfg, NULL, 0);
     }
+
+    health = ofproto_port_get_cfm_health(iface->port->bridge->ofproto,
+                                        iface->ofp_port);
+    if (health >= 0) {
+        int64_t cfm_health = health;
+        ovsrec_interface_set_cfm_health(cfg, &cfm_health, 1);
+    } else {
+        ovsrec_interface_set_cfm_health(cfg, NULL, 0);
+    }
 }
 
 static void
@@ -1589,7 +1645,8 @@ 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
 }
 
@@ -1692,10 +1749,9 @@ 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");
     }
@@ -1817,11 +1873,10 @@ bridge_run(void)
     const struct ovsrec_open_vswitch *cfg;
 
     bool vlan_splinters_changed;
-    bool database_changed;
     struct bridge *br;
 
     /* (Re)configure if necessary. */
-    database_changed = ovsdb_idl_run(idl);
+    ovsdb_idl_run(idl);
     if (ovsdb_idl_is_lock_contended(idl)) {
         static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
         struct bridge *br, *next_br;
@@ -1868,7 +1923,8 @@ bridge_run(void)
         }
     }
 
-    if (database_changed || vlan_splinters_changed) {
+    if (ovsdb_idl_get_seqno(idl) != idl_seqno || vlan_splinters_changed) {
+        idl_seqno = ovsdb_idl_get_seqno(idl);
         if (cfg) {
             struct ovsdb_idl_txn *txn = ovsdb_idl_txn_create(idl);
 
@@ -2049,7 +2105,7 @@ 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;
     }
 
@@ -2069,10 +2125,10 @@ 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);
@@ -2154,14 +2210,14 @@ 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);
 }
 
@@ -2176,7 +2232,7 @@ 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);
@@ -2185,7 +2241,7 @@ 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
@@ -2293,6 +2349,7 @@ bridge_ofproto_controller_for_mgmt(const struct bridge *br,
     oc->band = OFPROTO_OUT_OF_BAND;
     oc->rate_limit = 0;
     oc->burst_limit = 0;
+    oc->enable_async_msgs = true;
 }
 
 /* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'.  */
@@ -2300,6 +2357,8 @@ 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;
@@ -2308,6 +2367,14 @@ bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller *c,
     oc->rate_limit = c->controller_rate_limit ? *c->controller_rate_limit : 0;
     oc->burst_limit = (c->controller_burst_limit
                        ? *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
@@ -2392,13 +2459,17 @@ 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);
 
@@ -2472,6 +2543,66 @@ bridge_configure_remotes(struct bridge *br,
         sset_destroy(&snoops);
     }
 }
+
+static void
+bridge_configure_tables(struct bridge *br)
+{
+    static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
+    int n_tables;
+    int i, j;
+
+    n_tables = ofproto_get_n_tables(br->ofproto);
+    j = 0;
+    for (i = 0; i < n_tables; i++) {
+        struct ofproto_table_settings s;
+
+        s.name = NULL;
+        s.max_flows = UINT_MAX;
+        s.groups = NULL;
+        s.n_groups = 0;
+
+        if (j < br->cfg->n_flow_tables && i == br->cfg->key_flow_tables[j]) {
+            struct ovsrec_flow_table *cfg = br->cfg->value_flow_tables[j++];
+
+            s.name = cfg->name;
+            if (cfg->n_flow_limit && *cfg->flow_limit < UINT_MAX) {
+                s.max_flows = *cfg->flow_limit;
+            }
+            if (cfg->overflow_policy
+                && !strcmp(cfg->overflow_policy, "evict")) {
+                size_t k;
+
+                s.groups = xmalloc(cfg->n_groups * sizeof *s.groups);
+                for (k = 0; k < cfg->n_groups; k++) {
+                    const char *string = cfg->groups[k];
+                    char *msg;
+
+                    msg = mf_parse_subfield__(&s.groups[k], &string);
+                    if (msg) {
+                        VLOG_WARN_RL(&rl, "bridge %s table %d: error parsing "
+                                     "'groups' (%s)", br->name, i, msg);
+                        free(msg);
+                    } else if (*string) {
+                        VLOG_WARN_RL(&rl, "bridge %s table %d: 'groups' "
+                                     "element '%s' contains trailing garbage",
+                                     br->name, i, cfg->groups[k]);
+                    } else {
+                        s.n_groups++;
+                    }
+                }
+            }
+        }
+
+        ofproto_configure_table(br->ofproto, i, &s);
+
+        free(s.groups);
+    }
+    for (; j < br->cfg->n_flow_tables; j++) {
+        VLOG_WARN_RL(&rl, "bridge %s: ignoring configuration for flow table "
+                     "%"PRId64" not supported by this datapath", br->name,
+                     br->cfg->key_flow_tables[j]);
+    }
+}
 \f
 /* Port functions. */
 
@@ -2493,30 +2624,6 @@ 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)
@@ -2663,10 +2770,16 @@ 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);
-    if (!system_id
-        || sscanf(system_id, ETH_ADDR_SCAN_FMT,
-                  ETH_ADDR_SCAN_ARGS(s->id)) != ETH_ADDR_SCAN_COUNT) {
+    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) {
+            VLOG_WARN("port %s: LACP system ID (%s) must be an Ethernet"
+                      " address.", port->name, system_id);
+            return NULL;
+        }
+    } else {
         memcpy(s->id, port->bridge->ea, ETH_ADDR_LEN);
     }
 
@@ -2676,17 +2789,20 @@ 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;
@@ -2707,11 +2823,16 @@ 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;
@@ -2741,7 +2862,7 @@ port_configure_bond(struct port *port, struct bond_settings *s,
     size_t i;
 
     s->name = port->name;
-    s->balance = BM_SLB;
+    s->balance = BM_AB;
     if (port->cfg->bond_mode) {
         if (!bond_mode_from_string(&s->balance, port->cfg->bond_mode)) {
             VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s",
@@ -2751,11 +2872,11 @@ port_configure_bond(struct port *port, struct bond_settings *s,
     } else {
         static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
 
-        /* XXX: Post version 1.4.*, change the default bond_mode to
-         * active-backup.  Until then, warn that the change is imminent. */
+        /* XXX: Post version 1.5.*, the default bond_mode changed from SLB to
+         * active-backup. At some point we should remove this warning. */
         VLOG_WARN_RL(&rl, "port %s: Using the default bond_mode %s. Note that"
-                     " in future versions, the default bond_mode is expected"
-                     " to change to active-backup", port->name,
+                     " in previous versions, the default bond_mode was"
+                     " balance-slb", port->name,
                      bond_mode_to_string(s->balance));
     }
     if (s->balance == BM_SLB && port->bridge->cfg->n_flood_vlans) {
@@ -2764,13 +2885,16 @@ 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")) {
@@ -2781,10 +2905,14 @@ 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"));
-    if (s->rebalance_interval < 1000) {
+        ovsrec_port_get_other_config_value(port->cfg,
+                                           "bond-rebalance-interval",
+                                           "10000"));
+    if (s->rebalance_interval && s->rebalance_interval < 1000) {
         s->rebalance_interval = 1000;
     }
 
@@ -2794,8 +2922,10 @@ 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;
         }
@@ -2829,6 +2959,7 @@ 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));
 
@@ -2960,6 +3091,7 @@ iface_clear_db_record(const struct ovsrec_interface *if_cfg)
         ovsrec_interface_set_link_state(if_cfg, NULL);
         ovsrec_interface_set_mtu(if_cfg, NULL, 0);
         ovsrec_interface_set_cfm_fault(if_cfg, NULL, 0);
+        ovsrec_interface_set_cfm_fault_status(if_cfg, NULL, 0);
         ovsrec_interface_set_cfm_remote_mpids(if_cfg, NULL, 0);
         ovsrec_interface_set_lacp_current(if_cfg, NULL, 0);
         ovsrec_interface_set_statistics(if_cfg, NULL, NULL, 0);
@@ -3092,11 +3224,9 @@ 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).  Packets not directed to a "
-                         "correctly configured queue may be dropped.",
-                         iface->name);
+            shash_init(&details);
+            netdev_set_queue(iface->netdev, 0, &details);
+            shash_destroy(&details);
         }
     }
 
@@ -3120,6 +3250,7 @@ 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) {
@@ -3128,19 +3259,36 @@ 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.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);
@@ -3153,6 +3301,7 @@ iface_is_synthetic(const struct iface *iface)
 {
     return ovsdb_idl_row_is_synthetic(&iface->cfg->header_);
 }
+
 \f
 /* Port mirroring. */
 
@@ -3381,7 +3530,9 @@ 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");
 }
 
@@ -3412,8 +3563,9 @@ collect_splinter_vlans(const struct ovsrec_open_vswitch *ovs_cfg)
      * in the process of reconstructing all of them. */
     free_registered_blocks();
 
-    splinter_vlans = NULL;
+    splinter_vlans = bitmap_allocate(4096);
     sset_init(&splinter_ifaces);
+    vlan_splinters_enabled_anywhere = false;
     for (i = 0; i < ovs_cfg->n_bridges; i++) {
         struct ovsrec_bridge *br_cfg = ovs_cfg->bridges[i];
         size_t j;
@@ -3426,21 +3578,22 @@ collect_splinter_vlans(const struct ovsrec_open_vswitch *ovs_cfg)
                 struct ovsrec_interface *iface_cfg = port_cfg->interfaces[k];
 
                 if (vlan_splinters_is_enabled(iface_cfg)) {
+                    vlan_splinters_enabled_anywhere = true;
                     sset_add(&splinter_ifaces, iface_cfg->name);
-
-                    if (!splinter_vlans) {
-                        splinter_vlans = bitmap_allocate(4096);
-                    }
                     vlan_bitmap_from_array__(port_cfg->trunks,
                                              port_cfg->n_trunks,
                                              splinter_vlans);
                 }
             }
+
+            if (port_cfg->tag && *port_cfg->tag > 0 && *port_cfg->tag < 4095) {
+                bitmap_set1(splinter_vlans, *port_cfg->tag);
+            }
         }
     }
 
-    vlan_splinters_enabled_anywhere = splinter_vlans != NULL;
-    if (!splinter_vlans) {
+    if (!vlan_splinters_enabled_anywhere) {
+        free(splinter_vlans);
         sset_destroy(&splinter_ifaces);
         return NULL;
     }
@@ -3524,7 +3677,8 @@ 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;