datapath-windows: Rename hyper-v switch port and nic handlers
[cascardo/ovs.git] / ofproto / ofproto-dpif.c
index 06be234..d965d38 100644 (file)
@@ -37,6 +37,7 @@
 #include "lacp.h"
 #include "learn.h"
 #include "mac-learning.h"
+#include "mcast-snooping.h"
 #include "meta-flow.h"
 #include "multipath.h"
 #include "netdev-vport.h"
@@ -73,9 +74,6 @@ VLOG_DEFINE_THIS_MODULE(ofproto_dpif);
 COVERAGE_DEFINE(ofproto_dpif_expired);
 COVERAGE_DEFINE(packet_in_overflow);
 
-/* No bfd/cfm status change. */
-#define NO_STATUS_CHANGE -1
-
 struct flow_miss;
 
 struct rule_dpif {
@@ -87,6 +85,12 @@ struct rule_dpif {
      *   recently been processed by a revalidator. */
     struct ovs_mutex stats_mutex;
     struct dpif_flow_stats stats OVS_GUARDED;
+
+    /* If non-zero then the recirculation id that has
+     * been allocated for use with this rule.
+     * The recirculation id and associated internal flow should
+     * be freed when the rule is freed */
+    uint32_t recirc_id;
 };
 
 /* RULE_CAST() depends on this. */
@@ -141,6 +145,10 @@ static void stp_wait(struct ofproto_dpif *ofproto);
 static int set_stp_port(struct ofport *,
                         const struct ofproto_port_stp_settings *);
 
+static void rstp_run(struct ofproto_dpif *ofproto);
+static void set_rstp_port(struct ofport *,
+                         const struct ofproto_port_rstp_settings *);
+
 struct ofport_dpif {
     struct hmap_node odp_port_node; /* In dpif_backer's "odp_to_ofport_map". */
     struct ofport up;
@@ -161,6 +169,10 @@ struct ofport_dpif {
     enum stp_state stp_state;   /* Always STP_DISABLED if STP not in use. */
     long long int stp_state_entered;
 
+    /* Rapid Spanning Tree. */
+    struct rstp_port *rstp_port; /* Rapid Spanning Tree Protocol, if any. */
+    enum rstp_state rstp_state; /* Always RSTP_DISABLED if RSTP not in use. */
+
     /* Queue to DSCP mapping. */
     struct ofproto_port_queue *qdscp;
     size_t n_qdscp;
@@ -209,11 +221,6 @@ static int set_bfd(struct ofport *, const struct smap *);
 static int set_cfm(struct ofport *, const struct cfm_settings *);
 static void ofport_update_peer(struct ofport_dpif *);
 
-struct dpif_completion {
-    struct list list_node;
-    struct ofoperation *op;
-};
-
 /* Reasons that we might need to revalidate every datapath flow, and
  * corresponding coverage counters.
  *
@@ -225,17 +232,21 @@ struct dpif_completion {
 enum revalidate_reason {
     REV_RECONFIGURE = 1,       /* Switch configuration changed. */
     REV_STP,                   /* Spanning tree protocol port status change. */
+    REV_RSTP,                  /* RSTP port status change. */
     REV_BOND,                  /* Bonding changed. */
     REV_PORT_TOGGLED,          /* Port enabled or disabled by CFM, LACP, ...*/
     REV_FLOW_TABLE,            /* Flow table changed. */
     REV_MAC_LEARNING,          /* Mac learning changed. */
+    REV_MCAST_SNOOPING,        /* Multicast snooping changed. */
 };
 COVERAGE_DEFINE(rev_reconfigure);
 COVERAGE_DEFINE(rev_stp);
+COVERAGE_DEFINE(rev_rstp);
 COVERAGE_DEFINE(rev_bond);
 COVERAGE_DEFINE(rev_port_toggled);
 COVERAGE_DEFINE(rev_flow_table);
 COVERAGE_DEFINE(rev_mac_learning);
+COVERAGE_DEFINE(rev_mcast_snooping);
 
 /* All datapaths of a given type share a single dpif backer instance. */
 struct dpif_backer {
@@ -262,6 +273,10 @@ struct dpif_backer {
      * False if the datapath supports only 8-byte (or shorter) userdata. */
     bool variable_length_userdata;
 
+    /* True if the datapath supports masked data in OVS_ACTION_ATTR_SET
+     * actions. */
+    bool masked_set_action;
+
     /* Maximum number of MPLS label stack entries that the datapath supports
      * in a match */
     size_t max_mpls_depth;
@@ -288,6 +303,7 @@ struct ofproto_dpif {
     struct dpif_ipfix *ipfix;
     struct hmap bundles;        /* Contains "struct ofbundle"s. */
     struct mac_learning *ml;
+    struct mcast_snooping *ms;
     bool has_bonded_bundles;
     bool lacp_enabled;
     struct mbridge *mbridge;
@@ -300,6 +316,10 @@ struct ofproto_dpif {
     struct stp *stp;
     long long int stp_last_tick;
 
+    /* Rapid Spanning Tree. */
+    struct rstp *rstp;
+    long long int rstp_last_tick;
+
     /* VLAN splinters. */
     struct ovs_mutex vsp_mutex;
     struct hmap realdev_vid_map OVS_GUARDED; /* (realdev,vid) -> vlandev. */
@@ -364,18 +384,6 @@ ofproto_dpif_flow_mod(struct ofproto_dpif *ofproto,
     ofproto_flow_mod(&ofproto->up, fm);
 }
 
-/* Resets the modified time for 'rule' or an equivalent rule. If 'rule' is not
- * in the classifier, but an equivalent rule is, unref 'rule' and ref the new
- * rule. Otherwise if 'rule' is no longer installed in the classifier,
- * reinstall it.
- *
- * Returns the rule whose modified time has been reset. */
-struct rule_dpif *
-ofproto_dpif_refresh_rule(struct rule_dpif *rule)
-{
-    return rule_dpif_cast(ofproto_refresh_rule(&rule->up));
-}
-
 /* Appends 'pin' to the queue of "packet ins" to be sent to the controller.
  * Takes ownership of 'pin' and pin->packet. */
 void
@@ -501,6 +509,7 @@ type_run(const char *type)
     }
 
     dpif_run(backer->dpif);
+    udpif_run(backer->udpif);
 
     /* If vswitchd started with other_config:flow_restore_wait set as "true",
      * and the configuration has now changed to "false", enable receiving
@@ -523,6 +532,8 @@ type_run(const char *type)
         udpif_set_threads(backer->udpif, n_handlers, n_revalidators);
     }
 
+    dpif_poll_threads_set(backer->dpif, n_dpdk_rxqs, pmd_cpu_mask);
+
     if (backer->need_revalidate) {
         struct ofproto_dpif *ofproto;
         struct simap_node *node;
@@ -584,10 +595,12 @@ type_run(const char *type)
         switch (backer->need_revalidate) {
         case REV_RECONFIGURE:    COVERAGE_INC(rev_reconfigure);    break;
         case REV_STP:            COVERAGE_INC(rev_stp);            break;
+        case REV_RSTP:           COVERAGE_INC(rev_rstp);           break;
         case REV_BOND:           COVERAGE_INC(rev_bond);           break;
         case REV_PORT_TOGGLED:   COVERAGE_INC(rev_port_toggled);   break;
         case REV_FLOW_TABLE:     COVERAGE_INC(rev_flow_table);     break;
         case REV_MAC_LEARNING:   COVERAGE_INC(rev_mac_learning);   break;
+        case REV_MCAST_SNOOPING: COVERAGE_INC(rev_mcast_snooping); break;
         }
         backer->need_revalidate = 0;
 
@@ -603,14 +616,15 @@ type_run(const char *type)
             xlate_ofproto_set(ofproto, ofproto->up.name,
                               ofproto->backer->dpif, ofproto->miss_rule,
                               ofproto->no_packet_in_rule, ofproto->ml,
-                              ofproto->stp, ofproto->mbridge,
-                              ofproto->sflow, ofproto->ipfix,
+                              ofproto->stp, ofproto->rstp, ofproto->ms,
+                              ofproto->mbridge, ofproto->sflow, ofproto->ipfix,
                               ofproto->netflow, ofproto->up.frag_handling,
                               ofproto->up.forward_bpdu,
                               connmgr_has_in_band(ofproto->up.connmgr),
                               ofproto->backer->enable_recirc,
                               ofproto->backer->variable_length_userdata,
-                              ofproto->backer->max_mpls_depth);
+                              ofproto->backer->max_mpls_depth,
+                              ofproto->backer->masked_set_action);
 
             HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
                 xlate_bundle_set(ofproto, bundle, bundle->name,
@@ -628,9 +642,10 @@ type_run(const char *type)
                                  ofport->up.ofp_port, ofport->odp_port,
                                  ofport->up.netdev, ofport->cfm,
                                  ofport->bfd, ofport->peer, stp_port,
-                                 ofport->qdscp, ofport->n_qdscp,
-                                 ofport->up.pp.config, ofport->up.pp.state,
-                                 ofport->is_tunnel, ofport->may_enable);
+                                 ofport->rstp_port, ofport->qdscp,
+                                 ofport->n_qdscp, ofport->up.pp.config,
+                                 ofport->up.pp.state, ofport->is_tunnel,
+                                 ofport->may_enable);
             }
             xlate_txn_commit();
         }
@@ -835,6 +850,7 @@ struct odp_garbage {
 static bool check_variable_length_userdata(struct dpif_backer *backer);
 static size_t check_max_mpls_depth(struct dpif_backer *backer);
 static bool check_recirc(struct dpif_backer *backer);
+static bool check_masked_set_action(struct dpif_backer *backer);
 
 static int
 open_dpif_backer(const char *type, struct dpif_backer **backerp)
@@ -928,6 +944,11 @@ open_dpif_backer(const char *type, struct dpif_backer **backerp)
 
     shash_add(&all_dpif_backers, type, backer);
 
+    backer->enable_recirc = check_recirc(backer);
+    backer->max_mpls_depth = check_max_mpls_depth(backer);
+    backer->masked_set_action = check_masked_set_action(backer);
+    backer->rid_pool = recirc_id_pool_create();
+
     error = dpif_recv_set(backer->dpif, backer->recv_set_enable);
     if (error) {
         VLOG_ERR("failed to listen on datapath of type %s: %s",
@@ -935,15 +956,16 @@ open_dpif_backer(const char *type, struct dpif_backer **backerp)
         close_dpif_backer(backer);
         return error;
     }
-    backer->enable_recirc = check_recirc(backer);
-    backer->variable_length_userdata = check_variable_length_userdata(backer);
-    backer->max_mpls_depth = check_max_mpls_depth(backer);
-    backer->rid_pool = recirc_id_pool_create();
 
     if (backer->recv_set_enable) {
         udpif_set_threads(backer->udpif, n_handlers, n_revalidators);
     }
 
+    /* This check fails if performed before udpif threads have been set,
+     * as the kernel module checks that the 'pid' in userspace action
+     * is non-zero. */
+    backer->variable_length_userdata = check_variable_length_userdata(backer);
+
     return error;
 }
 
@@ -970,7 +992,7 @@ check_recirc(struct dpif_backer *backer)
     ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
     odp_flow_key_from_flow(&key, &flow, NULL, 0, true);
 
-    error = dpif_flow_put(backer->dpif, DPIF_FP_CREATE | DPIF_FP_MODIFY,
+    error = dpif_flow_put(backer->dpif, DPIF_FP_CREATE | DPIF_FP_PROBE,
                           ofpbuf_data(&key), ofpbuf_size(&key), NULL, 0, NULL,
                           0, NULL);
     if (error && error != EEXIST) {
@@ -1046,6 +1068,7 @@ check_variable_length_userdata(struct dpif_backer *backer)
     execute.packet = &packet;
     execute.md = PKT_METADATA_INITIALIZER(0);
     execute.needs_help = false;
+    execute.probe = true;
 
     error = dpif_execute(backer->dpif, &execute);
 
@@ -1054,11 +1077,6 @@ check_variable_length_userdata(struct dpif_backer *backer)
 
     switch (error) {
     case 0:
-        /* Variable-length userdata is supported.
-         *
-         * Purge received packets to avoid processing the nonsense packet we
-         * sent to userspace, then report success. */
-        dpif_recv_purge(backer->dpif);
         return true;
 
     case ERANGE:
@@ -1103,8 +1121,9 @@ check_max_mpls_depth(struct dpif_backer *backer)
         ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
         odp_flow_key_from_flow(&key, &flow, NULL, 0, false);
 
-        error = dpif_flow_put(backer->dpif, DPIF_FP_CREATE | DPIF_FP_MODIFY,
-                              ofpbuf_data(&key), ofpbuf_size(&key), NULL, 0, NULL, 0, NULL);
+        error = dpif_flow_put(backer->dpif, DPIF_FP_CREATE | DPIF_FP_PROBE,
+                              ofpbuf_data(&key), ofpbuf_size(&key), NULL, 0,
+                              NULL, 0, NULL);
         if (error && error != EEXIST) {
             if (error != EINVAL) {
                 VLOG_WARN("%s: MPLS stack length feature probe failed (%s)",
@@ -1113,7 +1132,8 @@ check_max_mpls_depth(struct dpif_backer *backer)
             break;
         }
 
-        error = dpif_flow_del(backer->dpif, ofpbuf_data(&key), ofpbuf_size(&key), NULL);
+        error = dpif_flow_del(backer->dpif, ofpbuf_data(&key),
+                              ofpbuf_size(&key), NULL);
         if (error) {
             VLOG_WARN("%s: failed to delete MPLS feature probe flow",
                       dpif_name(backer->dpif));
@@ -1125,6 +1145,56 @@ check_max_mpls_depth(struct dpif_backer *backer)
     return n;
 }
 
+/* Tests whether 'backer''s datapath supports masked data in
+ * OVS_ACTION_ATTR_SET actions.  We need to disable some features on older
+ * datapaths that don't support this feature. */
+static bool
+check_masked_set_action(struct dpif_backer *backer)
+{
+    struct eth_header *eth;
+    struct ofpbuf actions;
+    struct dpif_execute execute;
+    struct ofpbuf packet;
+    int error;
+    struct ovs_key_ethernet key, mask;
+
+    /* Compose a set action that will cause an EINVAL error on older
+     * datapaths that don't support masked set actions.
+     * Avoid using a full mask, as it could be translated to a non-masked
+     * set action instead. */
+    ofpbuf_init(&actions, 64);
+    memset(&key, 0x53, sizeof key);
+    memset(&mask, 0x7f, sizeof mask);
+    commit_masked_set_action(&actions, OVS_KEY_ATTR_ETHERNET, &key, &mask,
+                             sizeof key);
+
+    /* Compose a dummy ethernet packet. */
+    ofpbuf_init(&packet, ETH_HEADER_LEN);
+    eth = ofpbuf_put_zeros(&packet, ETH_HEADER_LEN);
+    eth->eth_type = htons(0x1234);
+
+    /* Execute the actions.  On older datapaths this fails with EINVAL, on
+     * newer datapaths it succeeds. */
+    execute.actions = ofpbuf_data(&actions);
+    execute.actions_len = ofpbuf_size(&actions);
+    execute.packet = &packet;
+    execute.md = PKT_METADATA_INITIALIZER(0);
+    execute.needs_help = false;
+    execute.probe = true;
+
+    error = dpif_execute(backer->dpif, &execute);
+
+    ofpbuf_uninit(&packet);
+    ofpbuf_uninit(&actions);
+
+    if (error) {
+        /* Masked set action is not supported. */
+        VLOG_INFO("%s: datapath does not support masked set action feature.",
+                  dpif_name(backer->dpif));
+    }
+    return !error;
+}
+
 static int
 construct(struct ofproto *ofproto_)
 {
@@ -1141,9 +1211,11 @@ construct(struct ofproto *ofproto_)
     ofproto->sflow = NULL;
     ofproto->ipfix = NULL;
     ofproto->stp = NULL;
+    ofproto->rstp = NULL;
     ofproto->dump_seq = 0;
     hmap_init(&ofproto->bundles);
     ofproto->ml = mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME);
+    ofproto->ms = NULL;
     ofproto->mbridge = mbridge_create();
     ofproto->has_bonded_bundles = false;
     ofproto->lacp_enabled = false;
@@ -1205,7 +1277,8 @@ add_internal_miss_flow(struct ofproto_dpif *ofproto, int id,
     match_init_catchall(&match);
     match_set_reg(&match, 0, id);
 
-    error = ofproto_dpif_add_internal_flow(ofproto, &match, 0, ofpacts, &rule);
+    error = ofproto_dpif_add_internal_flow(ofproto, &match, 0, 0, ofpacts,
+                                           &rule);
     *rulep = error ? NULL : rule_dpif_cast(rule);
 
     return error;
@@ -1256,14 +1329,13 @@ add_internal_flows(struct ofproto_dpif *ofproto)
      * (priority=2), recirc=0, actions=resubmit(, 0)
      */
     resubmit = ofpact_put_RESUBMIT(&ofpacts);
-    resubmit->ofpact.compat = 0;
     resubmit->in_port = OFPP_IN_PORT;
     resubmit->table_id = 0;
 
     match_init_catchall(&match);
     match_set_recirc_id(&match, 0);
 
-    error = ofproto_dpif_add_internal_flow(ofproto, &match, 2, &ofpacts,
+    error = ofproto_dpif_add_internal_flow(ofproto, &match, 2, 0, &ofpacts,
                                            &unused_rulep);
     if (error) {
         return error;
@@ -1276,7 +1348,7 @@ add_internal_flows(struct ofproto_dpif *ofproto)
      */
     ofpbuf_clear(&ofpacts);
     match_init_catchall(&match);
-    error = ofproto_dpif_add_internal_flow(ofproto, &match, 1, &ofpacts,
+    error = ofproto_dpif_add_internal_flow(ofproto, &match, 1, 0, &ofpacts,
                                            &unused_rulep);
 
     return error;
@@ -1286,8 +1358,8 @@ static void
 destruct(struct ofproto *ofproto_)
 {
     struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
-    struct rule_dpif *rule, *next_rule;
     struct ofproto_packet_in *pin, *next_pin;
+    struct rule_dpif *rule;
     struct oftable *table;
     struct list pins;
 
@@ -1303,12 +1375,7 @@ destruct(struct ofproto *ofproto_)
     hmap_remove(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node);
 
     OFPROTO_FOR_EACH_TABLE (table, &ofproto->up) {
-        struct cls_cursor cursor;
-
-        fat_rwlock_rdlock(&table->cls.rwlock);
-        cls_cursor_init(&cursor, &table->cls, NULL);
-        fat_rwlock_unlock(&table->cls.rwlock);
-        CLS_CURSOR_FOR_EACH_SAFE (rule, next_rule, up.cr, &cursor) {
+        CLS_FOR_EACH_SAFE (rule, up.cr, &table->cls) {
             ofproto_rule_delete(&ofproto->up, &rule->up);
         }
     }
@@ -1325,8 +1392,10 @@ destruct(struct ofproto *ofproto_)
 
     netflow_unref(ofproto->netflow);
     dpif_sflow_unref(ofproto->sflow);
+    dpif_ipfix_unref(ofproto->ipfix);
     hmap_destroy(&ofproto->bundles);
     mac_learning_unref(ofproto->ml);
+    mcast_snooping_unref(ofproto->ms);
 
     hmap_destroy(&ofproto->vlandev_map);
     hmap_destroy(&ofproto->realdev_vid_map);
@@ -1354,6 +1423,7 @@ run(struct ofproto *ofproto_)
         ovs_rwlock_wrlock(&ofproto->ml->rwlock);
         mac_learning_flush(ofproto->ml);
         ovs_rwlock_unlock(&ofproto->ml->rwlock);
+        mcast_snooping_mdb_flush(ofproto->ms);
     }
 
     /* Always updates the ofproto->pins_seqno to avoid frequent wakeup during
@@ -1406,12 +1476,17 @@ run(struct ofproto *ofproto_)
     }
 
     stp_run(ofproto);
+    rstp_run(ofproto);
     ovs_rwlock_wrlock(&ofproto->ml->rwlock);
     if (mac_learning_run(ofproto->ml)) {
         ofproto->backer->need_revalidate = REV_MAC_LEARNING;
     }
     ovs_rwlock_unlock(&ofproto->ml->rwlock);
 
+    if (mcast_snooping_run(ofproto->ms)) {
+        ofproto->backer->need_revalidate = REV_MCAST_SNOOPING;
+    }
+
     new_dump_seq = seq_read(udpif_dump_seq(ofproto->backer->udpif));
     if (ofproto->dump_seq != new_dump_seq) {
         struct rule *rule, *next_rule;
@@ -1473,6 +1548,7 @@ wait(struct ofproto *ofproto_)
     ovs_rwlock_rdlock(&ofproto->ml->rwlock);
     mac_learning_wait(ofproto->ml);
     ovs_rwlock_unlock(&ofproto->ml->rwlock);
+    mcast_snooping_wait(ofproto->ms);
     stp_wait(ofproto);
     if (ofproto->backer->need_revalidate) {
         /* Shouldn't happen, but if it does just go around again. */
@@ -1507,38 +1583,24 @@ flush(struct ofproto *ofproto_)
 }
 
 static void
-get_features(struct ofproto *ofproto_ OVS_UNUSED,
-             bool *arp_match_ip, enum ofputil_action_bitmap *actions)
-{
-    *arp_match_ip = true;
-    *actions = (OFPUTIL_A_OUTPUT |
-                OFPUTIL_A_SET_VLAN_VID |
-                OFPUTIL_A_SET_VLAN_PCP |
-                OFPUTIL_A_STRIP_VLAN |
-                OFPUTIL_A_SET_DL_SRC |
-                OFPUTIL_A_SET_DL_DST |
-                OFPUTIL_A_SET_NW_SRC |
-                OFPUTIL_A_SET_NW_DST |
-                OFPUTIL_A_SET_NW_TOS |
-                OFPUTIL_A_SET_TP_SRC |
-                OFPUTIL_A_SET_TP_DST |
-                OFPUTIL_A_ENQUEUE);
-}
-
-static void
-get_tables(struct ofproto *ofproto, struct ofp12_table_stats *ots)
+query_tables(struct ofproto *ofproto,
+             struct ofputil_table_features *features,
+             struct ofputil_table_stats *stats)
 {
-    int i;
+    strcpy(features->name, "classifier");
+
+    if (stats) {
+        int i;
 
-    strcpy(ots->name, "classifier");
+        for (i = 0; i < ofproto->n_tables; i++) {
+            unsigned long missed, matched;
 
-    for (i = 0; i < ofproto->n_tables; i++) {
-        unsigned long missed, matched;
+            atomic_read_relaxed(&ofproto->tables[i].n_matched, &matched);
+            atomic_read_relaxed(&ofproto->tables[i].n_missed, &missed);
 
-        atomic_read(&ofproto->tables[i].n_matched, &matched);
-        ots[i].matched_count = htonll(matched);
-        atomic_read(&ofproto->tables[i].n_missed, &missed);
-        ots[i].lookup_count = htonll(matched + missed);
+            stats[i].matched_count = matched;
+            stats[i].lookup_count = matched + missed;
+        }
     }
 }
 
@@ -1570,9 +1632,11 @@ port_construct(struct ofport *port_)
     port->bundle = NULL;
     port->cfm = NULL;
     port->bfd = NULL;
-    port->may_enable = true;
+    port->may_enable = false;
     port->stp_port = NULL;
     port->stp_state = STP_DISABLED;
+    port->rstp_port = NULL;
+    port->rstp_state = RSTP_DISABLED;
     port->is_tunnel = false;
     port->peer = NULL;
     port->qdscp = NULL;
@@ -1606,6 +1670,9 @@ port_construct(struct ofport *port_)
     if (netdev_get_tunnel_config(netdev)) {
         tnl_port_add(port, port->up.netdev, port->odp_port);
         port->is_tunnel = true;
+        if (ofproto->ipfix) {
+           dpif_ipfix_add_tunnel_port(ofproto->ipfix, port_, port->odp_port);
+        }
     } else {
         /* Sanity-check that a mapping doesn't already exist.  This
          * shouldn't happen for non-tunnel ports. */
@@ -1667,6 +1734,10 @@ port_destruct(struct ofport *port_)
         ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock);
     }
 
+    if (port->is_tunnel && ofproto->ipfix) {
+       dpif_ipfix_del_tunnel_port(ofproto->ipfix, port->odp_port);
+    }
+
     tnl_port_del(port);
     sset_find_and_delete(&ofproto->ports, devname);
     sset_find_and_delete(&ofproto->ghost_ports, devname);
@@ -1676,6 +1747,7 @@ port_destruct(struct ofport *port_)
     if (port->stp_port) {
         stp_port_disable(port->stp_port);
     }
+    set_rstp_port(port_, NULL);
     if (ofproto->sflow) {
         dpif_sflow_del_port(ofproto->sflow, port->odp_port);
     }
@@ -1768,9 +1840,11 @@ set_ipfix(
     struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
     struct dpif_ipfix *di = ofproto->ipfix;
     bool has_options = bridge_exporter_options || flow_exporters_options;
+    bool new_di = false;
 
     if (has_options && !di) {
         di = ofproto->ipfix = dpif_ipfix_create();
+        new_di = true;
     }
 
     if (di) {
@@ -1780,6 +1854,16 @@ set_ipfix(
             di, bridge_exporter_options, flow_exporters_options,
             n_flow_exporters_options);
 
+        /* Add tunnel ports only when a new ipfix created */
+        if (new_di == true) {
+            struct ofport_dpif *ofport;
+            HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
+                if (ofport->is_tunnel == true) {
+                    dpif_ipfix_add_tunnel_port(di, &ofport->up, ofport->odp_port);
+                }
+            }
+        }
+
         if (!has_options) {
             dpif_ipfix_unref(di);
             ofproto->ipfix = NULL;
@@ -1819,23 +1903,23 @@ out:
     return error;
 }
 
+static bool
+cfm_status_changed(struct ofport *ofport_)
+{
+    struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
+
+    return ofport->cfm ? cfm_check_status_change(ofport->cfm) : true;
+}
+
 static int
 get_cfm_status(const struct ofport *ofport_,
-               struct ofproto_cfm_status *status)
+               struct cfm_status *status)
 {
     struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
     int ret = 0;
 
     if (ofport->cfm) {
-        if (cfm_check_status_change(ofport->cfm)) {
-            status->faults = cfm_get_fault(ofport->cfm);
-            status->flap_count = cfm_get_flap_count(ofport->cfm);
-            status->remote_opstate = cfm_get_opup(ofport->cfm);
-            status->health = cfm_get_health(ofport->cfm);
-            cfm_get_remote_mpids(ofport->cfm, &status->rmps, &status->n_rmps);
-        } else {
-            ret = NO_STATUS_CHANGE;
-        }
+        cfm_get_status(ofport->cfm, status);
     } else {
         ret = ENOENT;
     }
@@ -1861,6 +1945,14 @@ set_bfd(struct ofport *ofport_, const struct smap *cfg)
     return 0;
 }
 
+static bool
+bfd_status_changed(struct ofport *ofport_)
+{
+    struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
+
+    return ofport->bfd ? bfd_check_status_change(ofport->bfd) : true;
+}
+
 static int
 get_bfd_status(struct ofport *ofport_, struct smap *smap)
 {
@@ -1868,11 +1960,7 @@ get_bfd_status(struct ofport *ofport_, struct smap *smap)
     int ret = 0;
 
     if (ofport->bfd) {
-        if (bfd_check_status_change(ofport->bfd)) {
-            bfd_get_status(ofport->bfd, smap);
-        } else {
-            ret = NO_STATUS_CHANGE;
-        }
+        bfd_get_status(ofport->bfd, smap);
     } else {
         ret = ENOENT;
     }
@@ -1882,6 +1970,25 @@ get_bfd_status(struct ofport *ofport_, struct smap *smap)
 \f
 /* Spanning Tree. */
 
+/* Called while rstp_mutex is held. */
+static void
+rstp_send_bpdu_cb(struct ofpbuf *pkt, void *ofport_, void *ofproto_)
+{
+    struct ofproto_dpif *ofproto = ofproto_;
+    struct ofport_dpif *ofport = ofport_;
+    struct eth_header *eth = ofpbuf_l2(pkt);
+
+    netdev_get_etheraddr(ofport->up.netdev, eth->eth_src);
+    if (eth_addr_is_zero(eth->eth_src)) {
+        VLOG_WARN_RL(&rl, "%s port %d: cannot send RSTP BPDU on a port which "
+                     "does not have a configured source MAC address.",
+                     ofproto->up.name, ofp_to_u16(ofport->up.ofp_port));
+    } else {
+        ofproto_dpif_send_packet(ofport, pkt);
+    }
+    ofpbuf_delete(pkt);
+}
+
 static void
 send_bpdu_cb(struct ofpbuf *pkt, int port_num, void *ofproto_)
 {
@@ -1907,6 +2014,138 @@ send_bpdu_cb(struct ofpbuf *pkt, int port_num, void *ofproto_)
     ofpbuf_delete(pkt);
 }
 
+/* Configure RSTP on 'ofproto_' using the settings defined in 's'. */
+static void
+set_rstp(struct ofproto *ofproto_, const struct ofproto_rstp_settings *s)
+{
+    struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
+
+    /* Only revalidate flows if the configuration changed. */
+    if (!s != !ofproto->rstp) {
+        ofproto->backer->need_revalidate = REV_RECONFIGURE;
+    }
+
+    if (s) {
+        if (!ofproto->rstp) {
+            ofproto->rstp = rstp_create(ofproto_->name, s->address,
+                                        rstp_send_bpdu_cb, ofproto);
+            ofproto->rstp_last_tick = time_msec();
+        }
+        rstp_set_bridge_address(ofproto->rstp, s->address);
+        rstp_set_bridge_priority(ofproto->rstp, s->priority);
+        rstp_set_bridge_ageing_time(ofproto->rstp, s->ageing_time);
+        rstp_set_bridge_force_protocol_version(ofproto->rstp,
+                                               s->force_protocol_version);
+        rstp_set_bridge_max_age(ofproto->rstp, s->bridge_max_age);
+        rstp_set_bridge_forward_delay(ofproto->rstp, s->bridge_forward_delay);
+        rstp_set_bridge_transmit_hold_count(ofproto->rstp,
+                                            s->transmit_hold_count);
+    } else {
+        struct ofport *ofport;
+        HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) {
+            set_rstp_port(ofport, NULL);
+        }
+        rstp_unref(ofproto->rstp);
+        ofproto->rstp = NULL;
+    }
+}
+
+static void
+get_rstp_status(struct ofproto *ofproto_, struct ofproto_rstp_status *s)
+{
+    struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
+
+    if (ofproto->rstp) {
+        s->enabled = true;
+        s->root_id = rstp_get_root_id(ofproto->rstp);
+        s->bridge_id = rstp_get_bridge_id(ofproto->rstp);
+        s->designated_id = rstp_get_designated_id(ofproto->rstp);
+        s->root_path_cost = rstp_get_root_path_cost(ofproto->rstp);
+        s->designated_port_id = rstp_get_designated_port_id(ofproto->rstp);
+        s->bridge_port_id = rstp_get_bridge_port_id(ofproto->rstp);
+    } else {
+        s->enabled = false;
+    }
+}
+
+static void
+update_rstp_port_state(struct ofport_dpif *ofport)
+{
+    struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
+    enum rstp_state state;
+
+    /* Figure out new state. */
+    state = ofport->rstp_port ? rstp_port_get_state(ofport->rstp_port)
+        : RSTP_DISABLED;
+
+    /* Update state. */
+    if (ofport->rstp_state != state) {
+        enum ofputil_port_state of_state;
+        bool fwd_change;
+
+        VLOG_DBG("port %s: RSTP state changed from %s to %s",
+                 netdev_get_name(ofport->up.netdev),
+                 rstp_state_name(ofport->rstp_state),
+                 rstp_state_name(state));
+        if (rstp_learn_in_state(ofport->rstp_state)
+                != rstp_learn_in_state(state)) {
+            /* xxx Learning action flows should also be flushed. */
+            ovs_rwlock_wrlock(&ofproto->ml->rwlock);
+            mac_learning_flush(ofproto->ml);
+            ovs_rwlock_unlock(&ofproto->ml->rwlock);
+        }
+        fwd_change = rstp_forward_in_state(ofport->rstp_state)
+            != rstp_forward_in_state(state);
+
+        ofproto->backer->need_revalidate = REV_RSTP;
+        ofport->rstp_state = state;
+
+        if (fwd_change && ofport->bundle) {
+            bundle_update(ofport->bundle);
+        }
+
+        /* Update the RSTP state bits in the OpenFlow port description. */
+        of_state = ofport->up.pp.state & ~OFPUTIL_PS_STP_MASK;
+        of_state |= (state == RSTP_LEARNING ? OFPUTIL_PS_STP_LEARN
+                : state == RSTP_FORWARDING ? OFPUTIL_PS_STP_FORWARD
+                : state == RSTP_DISCARDING ?  OFPUTIL_PS_STP_LISTEN
+                : 0);
+        ofproto_port_set_state(&ofport->up, of_state);
+    }
+}
+
+static void
+rstp_run(struct ofproto_dpif *ofproto)
+{
+    if (ofproto->rstp) {
+        long long int now = time_msec();
+        long long int elapsed = now - ofproto->rstp_last_tick;
+        struct rstp_port *rp;
+        struct ofport_dpif *ofport;
+
+        /* Every second, decrease the values of the timers. */
+        if (elapsed >= 1000) {
+            rstp_tick_timers(ofproto->rstp);
+            ofproto->rstp_last_tick = now;
+        }
+        rp = NULL;
+        while ((ofport = rstp_get_next_changed_port_aux(ofproto->rstp, &rp))) {
+            update_rstp_port_state(ofport);
+        }
+        /* FIXME: This check should be done on-event (i.e., when setting
+         * p->fdb_flush) and not periodically.
+         */
+        if (rstp_check_and_reset_fdb_flush(ofproto->rstp)) {
+            ovs_rwlock_wrlock(&ofproto->ml->rwlock);
+            /* FIXME: RSTP should be able to flush the entries pertaining to a
+             * single port, not the whole table.
+             */
+            mac_learning_flush(ofproto->ml);
+            ovs_rwlock_unlock(&ofproto->ml->rwlock);
+        }
+    }
+}
+
 /* Configures STP on 'ofproto_' using the settings defined in 's'. */
 static int
 set_stp(struct ofproto *ofproto_, const struct ofproto_stp_settings *s)
@@ -1976,16 +2215,17 @@ update_stp_port_state(struct ofport_dpif *ofport)
         enum ofputil_port_state of_state;
         bool fwd_change;
 
-        VLOG_DBG_RL(&rl, "port %s: STP state changed from %s to %s",
-                    netdev_get_name(ofport->up.netdev),
-                    stp_state_name(ofport->stp_state),
-                    stp_state_name(state));
+        VLOG_DBG("port %s: STP state changed from %s to %s",
+                 netdev_get_name(ofport->up.netdev),
+                 stp_state_name(ofport->stp_state),
+                 stp_state_name(state));
         if (stp_learn_in_state(ofport->stp_state)
                 != stp_learn_in_state(state)) {
             /* xxx Learning action flows should also be flushed. */
             ovs_rwlock_wrlock(&ofproto->ml->rwlock);
             mac_learning_flush(ofproto->ml);
             ovs_rwlock_unlock(&ofproto->ml->rwlock);
+            mcast_snooping_mdb_flush(ofproto->ms);
         }
         fwd_change = stp_forward_in_state(ofport->stp_state)
                         != stp_forward_in_state(state);
@@ -2028,13 +2268,17 @@ set_stp_port(struct ofport *ofport_,
         }
         return 0;
     } else if (sp && stp_port_no(sp) != s->port_num
-            && ofport == stp_port_get_aux(sp)) {
+               && ofport == stp_port_get_aux(sp)) {
         /* The port-id changed, so disable the old one if it's not
          * already in use by another port. */
         stp_port_disable(sp);
     }
 
     sp = ofport->stp_port = stp_get_port(ofproto->stp, s->port_num);
+
+    /* Set name before enabling the port so that debugging messages can print
+     * the name. */
+    stp_port_set_name(sp, netdev_get_name(ofport->up.netdev));
     stp_port_enable(sp);
 
     stp_port_set_aux(sp, ofport);
@@ -2111,6 +2355,7 @@ stp_run(struct ofproto_dpif *ofproto)
             ovs_rwlock_wrlock(&ofproto->ml->rwlock);
             mac_learning_flush(ofproto->ml);
             ovs_rwlock_unlock(&ofproto->ml->rwlock);
+            mcast_snooping_mdb_flush(ofproto->ms);
         }
     }
 }
@@ -2122,6 +2367,57 @@ stp_wait(struct ofproto_dpif *ofproto)
         poll_timer_wait(1000);
     }
 }
+
+/* Configures RSTP on 'ofport_' using the settings defined in 's'.  The
+ * caller is responsible for assigning RSTP port numbers and ensuring
+ * there are no duplicates. */
+static void
+set_rstp_port(struct ofport *ofport_,
+              const struct ofproto_port_rstp_settings *s)
+{
+    struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
+    struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
+    struct rstp_port *rp = ofport->rstp_port;
+
+    if (!s || !s->enable) {
+        if (rp) {
+            rstp_port_unref(rp);
+            ofport->rstp_port = NULL;
+            update_rstp_port_state(ofport);
+        }
+        return;
+    }
+
+    /* Check if need to add a new port. */
+    if (!rp) {
+        rp = ofport->rstp_port = rstp_add_port(ofproto->rstp);
+    }
+
+    rstp_port_set(rp, s->port_num, s->priority, s->path_cost,
+                  s->admin_edge_port, s->auto_edge, s->mcheck, ofport);
+    update_rstp_port_state(ofport);
+    /* Synchronize operational status. */
+    rstp_port_set_mac_operational(rp, ofport->may_enable);
+}
+
+static void
+get_rstp_port_status(struct ofport *ofport_,
+        struct ofproto_port_rstp_status *s)
+{
+    struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
+    struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
+    struct rstp_port *rp = ofport->rstp_port;
+
+    if (!ofproto->rstp || !rp) {
+        s->enabled = false;
+        return;
+    }
+
+    s->enabled = true;
+    rstp_port_get_status(rp, &s->port_id, &s->state, &s->role, &s->tx_count,
+                         &s->rx_count, &s->error_count, &s->uptime);
+}
+
 \f
 static int
 set_queues(struct ofport *ofport_, const struct ofproto_port_queue *qdscp,
@@ -2695,6 +2991,56 @@ set_mac_table_config(struct ofproto *ofproto_, unsigned int idle_time,
     mac_learning_set_max_entries(ofproto->ml, max_entries);
     ovs_rwlock_unlock(&ofproto->ml->rwlock);
 }
+
+/* Configures multicast snooping on 'ofport' using the settings
+ * defined in 's'. */
+static int
+set_mcast_snooping(struct ofproto *ofproto_,
+                   const struct ofproto_mcast_snooping_settings *s)
+{
+    struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
+
+    /* Only revalidate flows if the configuration changed. */
+    if (!s != !ofproto->ms) {
+        ofproto->backer->need_revalidate = REV_RECONFIGURE;
+    }
+
+    if (s) {
+        if (!ofproto->ms) {
+            ofproto->ms = mcast_snooping_create();
+        }
+
+        ovs_rwlock_wrlock(&ofproto->ms->rwlock);
+        mcast_snooping_set_idle_time(ofproto->ms, s->idle_time);
+        mcast_snooping_set_max_entries(ofproto->ms, s->max_entries);
+        if (mcast_snooping_set_flood_unreg(ofproto->ms, s->flood_unreg)) {
+            ofproto->backer->need_revalidate = REV_RECONFIGURE;
+        }
+        ovs_rwlock_unlock(&ofproto->ms->rwlock);
+    } else {
+        mcast_snooping_unref(ofproto->ms);
+        ofproto->ms = NULL;
+    }
+
+    return 0;
+}
+
+/* Configures multicast snooping port's flood setting on 'ofproto'. */
+static int
+set_mcast_snooping_port(struct ofproto *ofproto_, void *aux, bool flood)
+{
+    struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
+    struct ofbundle *bundle = bundle_lookup(ofproto, aux);
+
+    if (ofproto->ms) {
+        ovs_rwlock_wrlock(&ofproto->ms->rwlock);
+        mcast_snooping_set_port_flood(ofproto->ms, bundle->vlan, bundle,
+                                      flood);
+        ovs_rwlock_unlock(&ofproto->ms->rwlock);
+    }
+    return 0;
+}
+
 \f
 /* Ports. */
 
@@ -2805,7 +3151,12 @@ port_run(struct ofport_dpif *ofport)
 
     if (ofport->may_enable != enable) {
         struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
+
         ofproto->backer->need_revalidate = REV_PORT_TOGGLED;
+
+        if (ofport->rstp_port) {
+            rstp_port_set_mac_operational(ofport->rstp_port, enable);
+        }
     }
 
     ofport->may_enable = enable;
@@ -3063,8 +3414,6 @@ rule_expire(struct rule_dpif *rule)
     long long int now = time_msec();
     int reason = -1;
 
-    ovs_assert(!rule->up.pending);
-
     hard_timeout = rule->up.hard_timeout;
     idle_timeout = rule->up.idle_timeout;
 
@@ -3123,24 +3472,26 @@ ofproto_dpif_execute_actions(struct ofproto_dpif *ofproto,
         rule_dpif_credit_stats(rule, &stats);
     }
 
-    xlate_in_init(&xin, ofproto, flow, rule, stats.tcp_flags, packet);
+    xlate_in_init(&xin, ofproto, flow, flow->in_port.ofp_port, rule,
+                  stats.tcp_flags, packet);
     xin.ofpacts = ofpacts;
     xin.ofpacts_len = ofpacts_len;
     xin.resubmit_stats = &stats;
     xlate_actions(&xin, &xout);
 
+    execute.actions = ofpbuf_data(xout.odp_actions);
+    execute.actions_len = ofpbuf_size(xout.odp_actions);
+    execute.packet = packet;
+    execute.md = pkt_metadata_from_flow(flow);
+    execute.needs_help = (xout.slow & SLOW_ACTION) != 0;
+    execute.probe = false;
+
+    /* Fix up in_port. */
     in_port = flow->in_port.ofp_port;
     if (in_port == OFPP_NONE) {
         in_port = OFPP_LOCAL;
     }
-    execute.actions = ofpbuf_data(&xout.odp_actions);
-    execute.actions_len = ofpbuf_size(&xout.odp_actions);
-    execute.packet = packet;
-    execute.md.tunnel = flow->tunnel;
-    execute.md.skb_priority = flow->skb_priority;
-    execute.md.pkt_mark = flow->pkt_mark;
     execute.md.in_port.odp_port = ofp_port_to_odp_port(ofproto, in_port);
-    execute.needs_help = (xout.slow & SLOW_ACTION) != 0;
 
     error = dpif_execute(ofproto->backer->dpif, &execute);
 
@@ -3183,6 +3534,39 @@ rule_dpif_get_actions(const struct rule_dpif *rule)
     return rule_get_actions(&rule->up);
 }
 
+/* Sets 'rule''s recirculation id. */
+static void
+rule_dpif_set_recirc_id(struct rule_dpif *rule, uint32_t id)
+    OVS_REQUIRES(rule->up.mutex)
+{
+    ovs_assert(!rule->recirc_id);
+    rule->recirc_id = id;
+}
+
+/* Returns 'rule''s recirculation id. */
+uint32_t
+rule_dpif_get_recirc_id(struct rule_dpif *rule)
+    OVS_REQUIRES(rule->up.mutex)
+{
+    if (!rule->recirc_id) {
+        struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
+
+        rule_dpif_set_recirc_id(rule, ofproto_dpif_alloc_recirc_id(ofproto));
+    }
+    return rule->recirc_id;
+}
+
+/* Sets 'rule''s recirculation id. */
+void
+rule_set_recirc_id(struct rule *rule_, uint32_t id)
+{
+    struct rule_dpif *rule = rule_dpif_cast(rule_);
+
+    ovs_mutex_lock(&rule->up.mutex);
+    rule_dpif_set_recirc_id(rule, id);
+    ovs_mutex_unlock(&rule->up.mutex);
+}
+
 /* Lookup 'flow' in table 0 of 'ofproto''s classifier.
  * If 'wc' is non-null, sets the fields that were relevant as part of
  * the lookup. Returns the table_id where a match or miss occurred.
@@ -3269,39 +3653,39 @@ rule_dpif_lookup_in_table(struct ofproto_dpif *ofproto, uint8_t table_id,
     struct classifier *cls = &ofproto->up.tables[table_id].cls;
     const struct cls_rule *cls_rule;
     struct rule_dpif *rule;
+    struct flow ofpc_normal_flow;
 
-    fat_rwlock_rdlock(&cls->rwlock);
     if (ofproto->up.frag_handling != OFPC_FRAG_NX_MATCH) {
-        if (wc) {
-            memset(&wc->masks.dl_type, 0xff, sizeof wc->masks.dl_type);
-            if (is_ip_any(flow)) {
-                wc->masks.nw_frag |= FLOW_NW_FRAG_MASK;
-            }
-        }
+        /* We always unwildcard dl_type and nw_frag (for IP), so they
+         * need not be unwildcarded here. */
 
         if (flow->nw_frag & FLOW_NW_FRAG_ANY) {
             if (ofproto->up.frag_handling == OFPC_FRAG_NORMAL) {
                 /* We must pretend that transport ports are unavailable. */
-                struct flow ofpc_normal_flow = *flow;
+                ofpc_normal_flow = *flow;
                 ofpc_normal_flow.tp_src = htons(0);
                 ofpc_normal_flow.tp_dst = htons(0);
-                cls_rule = classifier_lookup(cls, &ofpc_normal_flow, wc);
+                flow = &ofpc_normal_flow;
             } else {
-                /* Must be OFPC_FRAG_DROP (we don't have OFPC_FRAG_REASM). */
+                /* Must be OFPC_FRAG_DROP (we don't have OFPC_FRAG_REASM).
+                 * Use the drop_frags_rule (which cannot disappear). */
                 cls_rule = &ofproto->drop_frags_rule->up.cr;
+                rule = rule_dpif_cast(rule_from_cls_rule(cls_rule));
+                if (take_ref) {
+                    rule_dpif_ref(rule);
+                }
+                return rule;
             }
-        } else {
-            cls_rule = classifier_lookup(cls, flow, wc);
         }
-    } else {
-        cls_rule = classifier_lookup(cls, flow, wc);
     }
 
-    rule = rule_dpif_cast(rule_from_cls_rule(cls_rule));
-    if (take_ref) {
-        rule_dpif_ref(rule);
-    }
-    fat_rwlock_unlock(&cls->rwlock);
+    do {
+        cls_rule = classifier_lookup(cls, flow, wc);
+
+        rule = rule_dpif_cast(rule_from_cls_rule(cls_rule));
+
+        /* Try again if the rule was released before we get the reference. */
+    } while (rule && take_ref && !rule_dpif_try_ref(rule));
 
     return rule;
 }
@@ -3360,26 +3744,27 @@ rule_dpif_lookup_from_table(struct ofproto_dpif *ofproto,
                                           take_ref);
         if (stats) {
             struct oftable *tbl = &ofproto->up.tables[next_id];
-            atomic_ulong *stat = *rule ? &tbl->n_matched : &tbl->n_missed;
             unsigned long orig;
-            atomic_add(stat, stats->n_packets, &orig);
+
+            atomic_add_relaxed(*rule ? &tbl->n_matched : &tbl->n_missed,
+                               stats->n_packets, &orig);
         }
         if (*rule) {
             return RULE_DPIF_LOOKUP_VERDICT_MATCH;
         } else if (!honor_table_miss) {
             return RULE_DPIF_LOOKUP_VERDICT_CONTROLLER;
         } else {
-            switch (ofproto_table_get_config(&ofproto->up, *table_id)) {
-            case OFPROTO_TABLE_MISS_CONTINUE:
+            switch (ofproto_table_get_miss_config(&ofproto->up, *table_id)) {
+            case OFPUTIL_TABLE_MISS_CONTINUE:
                 break;
 
-            case OFPROTO_TABLE_MISS_CONTROLLER:
+            case OFPUTIL_TABLE_MISS_CONTROLLER:
                 return RULE_DPIF_LOOKUP_VERDICT_CONTROLLER;
 
-            case OFPROTO_TABLE_MISS_DROP:
+            case OFPUTIL_TABLE_MISS_DROP:
                 return RULE_DPIF_LOOKUP_VERDICT_DROP;
 
-            case OFPROTO_TABLE_MISS_DEFAULT:
+            case OFPUTIL_TABLE_MISS_DEFAULT:
                 return RULE_DPIF_LOOKUP_VERDICT_DEFAULT;
             }
         }
@@ -3414,7 +3799,6 @@ complete_operation(struct rule_dpif *rule)
     struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
 
     ofproto->backer->need_revalidate = REV_FLOW_TABLE;
-    ofoperation_complete(rule->up.pending, 0);
 }
 
 static struct rule_dpif *rule_dpif_cast(const struct rule *rule)
@@ -3445,15 +3829,18 @@ rule_construct(struct rule *rule_)
     rule->stats.n_packets = 0;
     rule->stats.n_bytes = 0;
     rule->stats.used = rule->up.modified;
+    rule->recirc_id = 0;
+
     return 0;
 }
 
-static void
+static enum ofperr
 rule_insert(struct rule *rule_)
     OVS_REQUIRES(ofproto_mutex)
 {
     struct rule_dpif *rule = rule_dpif_cast(rule_);
     complete_operation(rule);
+    return 0;
 }
 
 static void
@@ -3468,7 +3855,13 @@ static void
 rule_destruct(struct rule *rule_)
 {
     struct rule_dpif *rule = rule_dpif_cast(rule_);
+
     ovs_mutex_destroy(&rule->stats_mutex);
+    if (rule->recirc_id) {
+        struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
+
+        ofproto_dpif_free_recirc_id(ofproto, rule->recirc_id);
+    }
 }
 
 static void
@@ -3788,6 +4181,36 @@ ofproto_unixctl_fdb_flush(struct unixctl_conn *conn, int argc,
     unixctl_command_reply(conn, "table successfully flushed");
 }
 
+static void
+ofproto_unixctl_mcast_snooping_flush(struct unixctl_conn *conn, int argc,
+                                     const char *argv[], void *aux OVS_UNUSED)
+{
+    struct ofproto_dpif *ofproto;
+
+    if (argc > 1) {
+        ofproto = ofproto_dpif_lookup(argv[1]);
+        if (!ofproto) {
+            unixctl_command_reply_error(conn, "no such bridge");
+            return;
+        }
+
+        if (!mcast_snooping_enabled(ofproto->ms)) {
+            unixctl_command_reply_error(conn, "multicast snooping is disabled");
+            return;
+        }
+        mcast_snooping_mdb_flush(ofproto->ms);
+    } else {
+        HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
+            if (!mcast_snooping_enabled(ofproto->ms)) {
+                continue;
+            }
+            mcast_snooping_mdb_flush(ofproto->ms);
+        }
+    }
+
+    unixctl_command_reply(conn, "table successfully flushed");
+}
+
 static struct ofport_dpif *
 ofbundle_get_a_port(const struct ofbundle *bundle)
 {
@@ -3826,6 +4249,61 @@ ofproto_unixctl_fdb_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
     ds_destroy(&ds);
 }
 
+static void
+ofproto_unixctl_mcast_snooping_show(struct unixctl_conn *conn,
+                                    int argc OVS_UNUSED,
+                                    const char *argv[],
+                                    void *aux OVS_UNUSED)
+{
+    struct ds ds = DS_EMPTY_INITIALIZER;
+    const struct ofproto_dpif *ofproto;
+    const struct ofbundle *bundle;
+    const struct mcast_group *grp;
+    struct mcast_group_bundle *b;
+    struct mcast_mrouter_bundle *mrouter;
+
+    ofproto = ofproto_dpif_lookup(argv[1]);
+    if (!ofproto) {
+        unixctl_command_reply_error(conn, "no such bridge");
+        return;
+    }
+
+    if (!mcast_snooping_enabled(ofproto->ms)) {
+        unixctl_command_reply_error(conn, "multicast snooping is disabled");
+        return;
+    }
+
+    ds_put_cstr(&ds, " port  VLAN  GROUP                Age\n");
+    ovs_rwlock_rdlock(&ofproto->ms->rwlock);
+    LIST_FOR_EACH (grp, group_node, &ofproto->ms->group_lru) {
+        LIST_FOR_EACH(b, bundle_node, &grp->bundle_lru) {
+            char name[OFP_MAX_PORT_NAME_LEN];
+
+            bundle = b->port;
+            ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port,
+                                   name, sizeof name);
+            ds_put_format(&ds, "%5s  %4d  "IP_FMT"         %3d\n",
+                          name, grp->vlan, IP_ARGS(grp->ip4),
+                          mcast_bundle_age(ofproto->ms, b));
+        }
+    }
+
+    /* ports connected to multicast routers */
+    LIST_FOR_EACH(mrouter, mrouter_node, &ofproto->ms->mrouter_lru) {
+        char name[OFP_MAX_PORT_NAME_LEN];
+
+        bundle = mrouter->port;
+        ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port,
+                               name, sizeof name);
+            ds_put_format(&ds, "%5s  %4d  querier             %3d\n",
+                      name, mrouter->vlan,
+                      mcast_mrouter_age(ofproto->ms, mrouter));
+    }
+    ovs_rwlock_unlock(&ofproto->ms->rwlock);
+    unixctl_command_reply(conn, ds_cstr(&ds));
+    ds_destroy(&ds);
+}
+
 struct trace_ctx {
     struct xlate_out xout;
     struct xlate_in xin;
@@ -3899,7 +4377,7 @@ static void
 trace_format_odp(struct ds *result, int level, const char *title,
                  struct trace_ctx *trace)
 {
-    struct ofpbuf *odp_actions = &trace->xout.odp_actions;
+    struct ofpbuf *odp_actions = trace->xout.odp_actions;
 
     ds_put_char_multiple(result, '\t', level);
     ds_put_format(result, "%s: ", title);
@@ -4028,12 +4506,21 @@ parse_flow_and_packet(int argc, const char *argv[],
             goto exit;
         }
 
-        if (xlate_receive(backer, NULL, ofpbuf_data(&odp_key),
-                          ofpbuf_size(&odp_key), flow,
-                          ofprotop, NULL, NULL, NULL, NULL)) {
+        if (odp_flow_key_to_flow(ofpbuf_data(&odp_key), ofpbuf_size(&odp_key),
+                                 flow) == ODP_FIT_ERROR) {
+            error = "Failed to parse flow key";
+            goto exit;
+        }
+
+        *ofprotop = xlate_lookup_ofproto(backer, flow,
+                                         &flow->in_port.ofp_port);
+        if (*ofprotop == NULL) {
             error = "Invalid datapath flow";
             goto exit;
         }
+
+        vsp_adjust_flow(*ofprotop, flow, NULL);
+
     } else {
         char *err = parse_ofp_exact_flow(flow, NULL, argv[argc - 1], NULL);
 
@@ -4129,7 +4616,7 @@ ofproto_unixctl_trace_actions(struct unixctl_conn *conn, int argc,
     ofpbuf_init(&ofpacts, 0);
 
     /* Parse actions. */
-    error = parse_ofpacts(argv[--argc], &ofpacts, &usable_protocols);
+    error = ofpacts_parse_actions(argv[--argc], &ofpacts, &usable_protocols);
     if (error) {
         unixctl_command_reply_error(conn, error);
         free(error);
@@ -4241,8 +4728,8 @@ ofproto_trace(struct ofproto_dpif *ofproto, struct flow *flow,
         trace.result = ds;
         trace.key = flow; /* Original flow key, used for megaflow. */
         trace.flow = *flow; /* May be modified by actions. */
-        xlate_in_init(&trace.xin, ofproto, flow, rule, ntohs(flow->tcp_flags),
-                      packet);
+        xlate_in_init(&trace.xin, ofproto, flow, flow->in_port.ofp_port, rule,
+                      ntohs(flow->tcp_flags), packet);
         if (ofpacts) {
             trace.xin.ofpacts = ofpacts;
             trace.xin.ofpacts_len = ofpacts_len;
@@ -4257,8 +4744,8 @@ ofproto_trace(struct ofproto_dpif *ofproto, struct flow *flow,
         trace_format_megaflow(ds, 0, "Megaflow", &trace);
 
         ds_put_cstr(ds, "Datapath actions: ");
-        format_odp_actions(ds, ofpbuf_data(&trace.xout.odp_actions),
-                           ofpbuf_size(&trace.xout.odp_actions));
+        format_odp_actions(ds, ofpbuf_data(trace.xout.odp_actions),
+                           ofpbuf_size(trace.xout.odp_actions));
 
         if (trace.xout.slow) {
             enum slow_path_reason slow;
@@ -4408,18 +4895,6 @@ ofproto_unixctl_dpif_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
     ds_destroy(&ds);
 }
 
-static bool
-ofproto_dpif_contains_flow(const struct ofproto_dpif *ofproto,
-                           const struct nlattr *key, size_t key_len)
-{
-    struct ofproto_dpif *ofp;
-    struct flow flow;
-
-    xlate_receive(ofproto->backer, NULL, key, key_len, &flow, &ofp,
-                  NULL, NULL, NULL, NULL);
-    return ofp == ofproto;
-}
-
 static void
 ofproto_unixctl_dpif_dump_flows(struct unixctl_conn *conn,
                                 int argc OVS_UNUSED, const char *argv[],
@@ -4458,7 +4933,10 @@ ofproto_unixctl_dpif_dump_flows(struct unixctl_conn *conn,
     flow_dump = dpif_flow_dump_create(ofproto->backer->dpif);
     flow_dump_thread = dpif_flow_dump_thread_create(flow_dump);
     while (dpif_flow_dump_next(flow_dump_thread, &f, 1)) {
-        if (!ofproto_dpif_contains_flow(ofproto, f.key, f.key_len)) {
+        struct flow flow;
+
+        if (odp_flow_key_to_flow(f.key, f.key_len, &flow) == ODP_FIT_ERROR
+            || xlate_lookup_ofproto(ofproto->backer, &flow, NULL) != ofproto) {
             continue;
         }
 
@@ -4506,6 +4984,10 @@ ofproto_dpif_unixctl_init(void)
                              ofproto_unixctl_fdb_flush, NULL);
     unixctl_command_register("fdb/show", "bridge", 1, 1,
                              ofproto_unixctl_fdb_show, NULL);
+    unixctl_command_register("mdb/flush", "[bridge]", 0, 1,
+                             ofproto_unixctl_mcast_snooping_flush, NULL);
+    unixctl_command_register("mdb/show", "bridge", 1, 1,
+                             ofproto_unixctl_mcast_snooping_show, NULL);
     unixctl_command_register("dpif/dump-dps", "", 0, 0,
                              ofproto_unixctl_dpif_dump_dps, NULL);
     unixctl_command_register("dpif/show", "", 0, 0, ofproto_unixctl_dpif_show,
@@ -4668,11 +5150,13 @@ vsp_vlandev_to_realdev(const struct ofproto_dpif *ofproto,
 /* Given 'flow', a flow representing a packet received on 'ofproto', checks
  * whether 'flow->in_port' represents a Linux VLAN device.  If so, changes
  * 'flow->in_port' to the "real" device backing the VLAN device, sets
- * 'flow->vlan_tci' to the VLAN VID, and returns true.  Otherwise (which is
- * always the case unless VLAN splinters are enabled), returns false without
- * making any changes. */
+ * 'flow->vlan_tci' to the VLAN VID, and returns true.  Optionally pushes the
+ * appropriate VLAN on 'packet' if provided.  Otherwise (which is always the
+ * case unless VLAN splinters are enabled), returns false without making any
+ * changes. */
 bool
-vsp_adjust_flow(const struct ofproto_dpif *ofproto, struct flow *flow)
+vsp_adjust_flow(const struct ofproto_dpif *ofproto, struct flow *flow,
+                struct ofpbuf *packet)
     OVS_EXCLUDED(ofproto->vsp_mutex)
 {
     ofp_port_t realdev;
@@ -4694,6 +5178,15 @@ vsp_adjust_flow(const struct ofproto_dpif *ofproto, struct flow *flow)
      * the VLAN device's VLAN ID. */
     flow->in_port.ofp_port = realdev;
     flow->vlan_tci = htons((vid & VLAN_VID_MASK) | VLAN_CFI);
+
+    if (packet) {
+        /* Make the packet resemble the flow, so that it gets sent to an
+         * OpenFlow controller properly, so that it looks correct for sFlow,
+         * and so that flow_extract() will get the correct vlan_tci if it is
+         * called on 'packet'. */
+        eth_push_vlan(packet, htons(ETH_TYPE_VLAN), flow->vlan_tci);
+    }
+
     return true;
 }
 
@@ -4802,6 +5295,7 @@ ofproto_dpif_free_recirc_id(struct ofproto_dpif *ofproto, uint32_t recirc_id)
 int
 ofproto_dpif_add_internal_flow(struct ofproto_dpif *ofproto,
                                const struct match *match, int priority,
+                               uint16_t idle_timeout,
                                const struct ofpbuf *ofpacts,
                                struct rule **rulep)
 {
@@ -4817,7 +5311,7 @@ ofproto_dpif_add_internal_flow(struct ofproto_dpif *ofproto,
     fm.modify_cookie = false;
     fm.table_id = TBL_INTERNAL;
     fm.command = OFPFC_ADD;
-    fm.idle_timeout = 0;
+    fm.idle_timeout = idle_timeout;
     fm.hard_timeout = 0;
     fm.buffer_id = 0;
     fm.out_port = 0;
@@ -4887,8 +5381,7 @@ const struct ofproto_class ofproto_dpif_class = {
     NULL,                       /* get_memory_usage. */
     type_get_memory_usage,
     flush,
-    get_features,
-    get_tables,
+    query_tables,
     port_alloc,
     port_construct,
     port_destruct,
@@ -4914,6 +5407,7 @@ const struct ofproto_class ofproto_dpif_class = {
     rule_dealloc,
     rule_get_stats,
     rule_execute,
+    NULL,                       /* rule_premodify_actions */
     rule_modify_actions,
     set_frag_handling,
     packet_out,
@@ -4922,14 +5416,20 @@ const struct ofproto_class ofproto_dpif_class = {
     set_sflow,
     set_ipfix,
     set_cfm,
+    cfm_status_changed,
     get_cfm_status,
     set_bfd,
+    bfd_status_changed,
     get_bfd_status,
     set_stp,
     get_stp_status,
     set_stp_port,
     get_stp_port_status,
     get_stp_port_stats,
+    set_rstp,
+    get_rstp_status,
+    set_rstp_port,
+    get_rstp_port_status,
     set_queues,
     bundle_set,
     bundle_remove,
@@ -4939,6 +5439,8 @@ const struct ofproto_class ofproto_dpif_class = {
     is_mirror_output_bundle,
     forward_bpdu_changed,
     set_mac_table_config,
+    set_mcast_snooping,
+    set_mcast_snooping_port,
     set_realdev,
     NULL,                       /* meter_get_features */
     NULL,                       /* meter_set */