bond: Stop using tags.
[cascardo/ovs.git] / ofproto / ofproto-dpif.c
index 3b79149..4fc90c6 100644 (file)
@@ -86,6 +86,8 @@ static struct rule_dpif *rule_dpif_lookup(struct ofproto_dpif *,
 
 static void rule_get_stats(struct rule *, uint64_t *packets, uint64_t *bytes);
 static void rule_invalidate(const struct rule_dpif *);
+static tag_type rule_calculate_tag(const struct flow *,
+                                   const struct minimask *, uint32_t secret);
 
 struct ofbundle {
     struct hmap_node hmap_node; /* In struct ofproto's "bundles" hmap. */
@@ -388,14 +390,18 @@ struct table_dpif {
 enum revalidate_reason {
     REV_RECONFIGURE = 1,       /* Switch configuration changed. */
     REV_STP,                   /* Spanning tree protocol 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_INCONSISTENCY          /* Facet self-check failed. */
 };
 COVERAGE_DEFINE(rev_reconfigure);
 COVERAGE_DEFINE(rev_stp);
+COVERAGE_DEFINE(rev_bond);
 COVERAGE_DEFINE(rev_port_toggled);
 COVERAGE_DEFINE(rev_flow_table);
+COVERAGE_DEFINE(rev_mac_learning);
 COVERAGE_DEFINE(rev_inconsistency);
 
 /* Drop keys are odp flow keys which have drop flows installed in the kernel.
@@ -764,8 +770,10 @@ 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_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_INCONSISTENCY: COVERAGE_INC(rev_inconsistency); break;
         }
 
@@ -1497,7 +1505,9 @@ run(struct ofproto *ofproto_)
 
     if (mbridge_need_revalidate(ofproto->mbridge)) {
         ofproto->backer->need_revalidate = REV_RECONFIGURE;
-        mac_learning_flush(ofproto->ml, NULL);
+        ovs_rwlock_wrlock(&ofproto->ml->rwlock);
+        mac_learning_flush(ofproto->ml);
+        ovs_rwlock_unlock(&ofproto->ml->rwlock);
     }
 
     /* Do not perform any periodic activity below required by 'ofproto' while
@@ -1528,7 +1538,11 @@ run(struct ofproto *ofproto_)
     }
 
     stp_run(ofproto);
-    mac_learning_run(ofproto->ml, &ofproto->backer->revalidate_set);
+    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);
 
     /* Check the consistency of a random facet, to aid debugging. */
     if (time_msec() >= ofproto->consistency_rl
@@ -1589,7 +1603,9 @@ wait(struct ofproto *ofproto_)
     if (ofproto->netflow) {
         netflow_wait(ofproto->netflow);
     }
+    ovs_rwlock_rdlock(&ofproto->ml->rwlock);
     mac_learning_wait(ofproto->ml);
+    ovs_rwlock_unlock(&ofproto->ml->rwlock);
     stp_wait(ofproto);
     if (ofproto->backer->need_revalidate) {
         /* Shouldn't happen, but if it does just go around again. */
@@ -2088,8 +2104,9 @@ update_stp_port_state(struct ofport_dpif *ofport)
         if (stp_learn_in_state(ofport->stp_state)
                 != stp_learn_in_state(state)) {
             /* xxx Learning action flows should also be flushed. */
-            mac_learning_flush(ofproto->ml,
-                               &ofproto->backer->revalidate_set);
+            ovs_rwlock_wrlock(&ofproto->ml->rwlock);
+            mac_learning_flush(ofproto->ml);
+            ovs_rwlock_unlock(&ofproto->ml->rwlock);
         }
         fwd_change = stp_forward_in_state(ofport->stp_state)
                         != stp_forward_in_state(state);
@@ -2194,7 +2211,9 @@ stp_run(struct ofproto_dpif *ofproto)
         }
 
         if (stp_check_and_reset_fdb_flush(ofproto->stp)) {
-            mac_learning_flush(ofproto->ml, &ofproto->backer->revalidate_set);
+            ovs_rwlock_wrlock(&ofproto->ml->rwlock);
+            mac_learning_flush(ofproto->ml);
+            ovs_rwlock_unlock(&ofproto->ml->rwlock);
         }
     }
 }
@@ -2351,6 +2370,7 @@ bundle_flush_macs(struct ofbundle *bundle, bool all_ofprotos)
     struct mac_entry *mac, *next_mac;
 
     ofproto->backer->need_revalidate = REV_RECONFIGURE;
+    ovs_rwlock_wrlock(&ml->rwlock);
     LIST_FOR_EACH_SAFE (mac, next_mac, lru_node, &ml->lrus) {
         if (mac->port.p == bundle) {
             if (all_ofprotos) {
@@ -2360,11 +2380,12 @@ bundle_flush_macs(struct ofbundle *bundle, bool all_ofprotos)
                     if (o != ofproto) {
                         struct mac_entry *e;
 
-                        e = mac_learning_lookup(o->ml, mac->mac, mac->vlan,
-                                                NULL);
+                        ovs_rwlock_wrlock(&o->ml->rwlock);
+                        e = mac_learning_lookup(o->ml, mac->mac, mac->vlan);
                         if (e) {
                             mac_learning_expire(o->ml, e);
                         }
+                        ovs_rwlock_unlock(&o->ml->rwlock);
                     }
                 }
             }
@@ -2372,6 +2393,7 @@ bundle_flush_macs(struct ofbundle *bundle, bool all_ofprotos)
             mac_learning_expire(ml, mac);
         }
     }
+    ovs_rwlock_unlock(&ml->rwlock);
 }
 
 static struct ofbundle *
@@ -2715,6 +2737,7 @@ bundle_send_learning_packets(struct ofbundle *bundle)
     struct mac_entry *e;
 
     error = n_packets = n_errors = 0;
+    ovs_rwlock_rdlock(&ofproto->ml->rwlock);
     LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) {
         if (e->port.p != bundle) {
             struct ofpbuf *learning_packet;
@@ -2737,6 +2760,7 @@ bundle_send_learning_packets(struct ofbundle *bundle)
             n_packets++;
         }
     }
+    ovs_rwlock_unlock(&ofproto->ml->rwlock);
 
     if (n_errors) {
         static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
@@ -2762,8 +2786,10 @@ bundle_run(struct ofbundle *bundle)
             bond_slave_set_may_enable(bundle->bond, port, port->may_enable);
         }
 
-        bond_run(bundle->bond, &bundle->ofproto->backer->revalidate_set,
-                 lacp_status(bundle->lacp));
+        if (bond_run(bundle->bond, lacp_status(bundle->lacp))) {
+            bundle->ofproto->backer->need_revalidate = REV_BOND;
+        }
+
         if (bond_should_send_learning_packets(bundle->bond)) {
             bundle_send_learning_packets(bundle);
         }
@@ -2829,9 +2855,11 @@ static int
 set_flood_vlans(struct ofproto *ofproto_, unsigned long *flood_vlans)
 {
     struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
+    ovs_rwlock_wrlock(&ofproto->ml->rwlock);
     if (mac_learning_set_flood_vlans(ofproto->ml, flood_vlans)) {
-        mac_learning_flush(ofproto->ml, &ofproto->backer->revalidate_set);
+        mac_learning_flush(ofproto->ml);
     }
+    ovs_rwlock_unlock(&ofproto->ml->rwlock);
     return 0;
 }
 
@@ -2855,8 +2883,10 @@ set_mac_table_config(struct ofproto *ofproto_, unsigned int idle_time,
                      size_t max_entries)
 {
     struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
+    ovs_rwlock_wrlock(&ofproto->ml->rwlock);
     mac_learning_set_idle_time(ofproto->ml, idle_time);
     mac_learning_set_max_entries(ofproto->ml, max_entries);
+    ovs_rwlock_unlock(&ofproto->ml->rwlock);
 }
 \f
 /* Ports. */
@@ -4138,7 +4168,7 @@ expire(struct dpif_backer *backer)
 
             HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
                 if (bundle->bond) {
-                    bond_rebalance(bundle->bond, &backer->revalidate_set);
+                    bond_rebalance(bundle->bond);
                 }
             }
         }
@@ -5530,7 +5560,7 @@ calculate_flow_tag(struct ofproto_dpif *ofproto, const struct flow *flow,
 
 /* Calculates the tag to use for 'flow' and mask 'mask' when it is inserted
  * into an OpenFlow table with the given 'basis'. */
-tag_type
+static tag_type
 rule_calculate_tag(const struct flow *flow, const struct minimask *mask,
                    uint32_t secret)
 {
@@ -5762,10 +5792,14 @@ ofproto_unixctl_fdb_flush(struct unixctl_conn *conn, int argc,
             unixctl_command_reply_error(conn, "no such bridge");
             return;
         }
-        mac_learning_flush(ofproto->ml, &ofproto->backer->revalidate_set);
+        ovs_rwlock_wrlock(&ofproto->ml->rwlock);
+        mac_learning_flush(ofproto->ml);
+        ovs_rwlock_unlock(&ofproto->ml->rwlock);
     } else {
         HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
-            mac_learning_flush(ofproto->ml, &ofproto->backer->revalidate_set);
+            ovs_rwlock_wrlock(&ofproto->ml->rwlock);
+            mac_learning_flush(ofproto->ml);
+            ovs_rwlock_unlock(&ofproto->ml->rwlock);
         }
     }
 
@@ -5794,6 +5828,7 @@ ofproto_unixctl_fdb_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
     }
 
     ds_put_cstr(&ds, " port  VLAN  MAC                Age\n");
+    ovs_rwlock_rdlock(&ofproto->ml->rwlock);
     LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) {
         struct ofbundle *bundle = e->port.p;
         char name[OFP_MAX_PORT_NAME_LEN];
@@ -5804,6 +5839,7 @@ ofproto_unixctl_fdb_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
                       name, e->vlan, ETH_ADDR_ARGS(e->mac),
                       mac_entry_age(ofproto->ml, e));
     }
+    ovs_rwlock_unlock(&ofproto->ml->rwlock);
     unixctl_command_reply(conn, ds_cstr(&ds));
     ds_destroy(&ds);
 }