udpif: Bug fix updif_flush
[sliver-openvswitch.git] / ofproto / ofproto.c
index 02e628a..884e63e 100644 (file)
@@ -307,6 +307,7 @@ static size_t allocated_ofproto_classes;
 struct ovs_mutex ofproto_mutex = OVS_MUTEX_INITIALIZER;
 
 unsigned ofproto_flow_limit = OFPROTO_FLOW_LIMIT_DEFAULT;
+unsigned ofproto_max_idle = OFPROTO_MAX_IDLE_DEFAULT;
 
 size_t n_handlers, n_revalidators;
 
@@ -697,6 +698,14 @@ ofproto_set_flow_limit(unsigned limit)
     ofproto_flow_limit = limit;
 }
 
+/* Sets the maximum idle time for flows in the datapath before they are
+ * expired. */
+void
+ofproto_set_max_idle(unsigned max_idle)
+{
+    ofproto_max_idle = max_idle;
+}
+
 /* If forward_bpdu is true, the NORMAL action will forward frames with
  * reserved (e.g. STP) destination Ethernet addresses. if forward_bpdu is false,
  * the NORMAL action will drop these frames. */
@@ -1442,19 +1451,23 @@ ofproto_run(struct ofproto *p)
             }
 
             ovs_mutex_lock(&ofproto_mutex);
-            HEAP_FOR_EACH (evg, size_node, &table->eviction_groups_by_size) {
-                heap_rebuild(&evg->rules);
-            }
-
             fat_rwlock_rdlock(&table->cls.rwlock);
             cls_cursor_init(&cursor, &table->cls, NULL);
             CLS_CURSOR_FOR_EACH (rule, cr, &cursor) {
-                if (!rule->eviction_group
-                    && (rule->idle_timeout || rule->hard_timeout)) {
-                    eviction_group_add_rule(rule);
+                if (rule->idle_timeout || rule->hard_timeout) {
+                    if (!rule->eviction_group) {
+                        eviction_group_add_rule(rule);
+                    } else {
+                        heap_raw_change(&rule->evg_node,
+                                        rule_eviction_priority(p, rule));
+                    }
                 }
             }
             fat_rwlock_unlock(&table->cls.rwlock);
+
+            HEAP_FOR_EACH (evg, size_node, &table->eviction_groups_by_size) {
+                heap_rebuild(&evg->rules);
+            }
             ovs_mutex_unlock(&ofproto_mutex);
         }
     }
@@ -2193,7 +2206,7 @@ ofport_install(struct ofproto *p,
     if (error) {
         goto error;
     }
-    connmgr_send_port_status(p->connmgr, pp, OFPPR_ADD);
+    connmgr_send_port_status(p->connmgr, NULL, pp, OFPPR_ADD);
     return;
 
 error:
@@ -2210,7 +2223,7 @@ error:
 static void
 ofport_remove(struct ofport *ofport)
 {
-    connmgr_send_port_status(ofport->ofproto->connmgr, &ofport->pp,
+    connmgr_send_port_status(ofport->ofproto->connmgr, NULL, &ofport->pp,
                              OFPPR_DELETE);
     ofport_destroy(ofport);
 }
@@ -2245,7 +2258,8 @@ ofport_modified(struct ofport *port, struct ofputil_phy_port *pp)
     port->pp.curr_speed = pp->curr_speed;
     port->pp.max_speed = pp->max_speed;
 
-    connmgr_send_port_status(port->ofproto->connmgr, &port->pp, OFPPR_MODIFY);
+    connmgr_send_port_status(port->ofproto->connmgr, NULL,
+                             &port->pp, OFPPR_MODIFY);
 }
 
 /* Update OpenFlow 'state' in 'port' and notify controller. */
@@ -2254,8 +2268,8 @@ ofproto_port_set_state(struct ofport *port, enum ofputil_port_state state)
 {
     if (port->pp.state != state) {
         port->pp.state = state;
-        connmgr_send_port_status(port->ofproto->connmgr, &port->pp,
-                                 OFPPR_MODIFY);
+        connmgr_send_port_status(port->ofproto->connmgr, NULL,
+                                 &port->pp, OFPPR_MODIFY);
     }
 }
 
@@ -2601,7 +2615,6 @@ ofproto_rule_destroy__(struct rule *rule)
     cls_rule_destroy(CONST_CAST(struct cls_rule *, &rule->cr));
     rule_actions_unref(rule->actions);
     ovs_mutex_destroy(&rule->mutex);
-    ovs_refcount_destroy(&rule->ref_count);
     rule->ofproto->ofproto_class->rule_dealloc(rule);
 }
 
@@ -2642,7 +2655,6 @@ void
 rule_actions_unref(struct rule_actions *actions)
 {
     if (actions && ovs_refcount_unref(&actions->ref_count) == 1) {
-        ovs_refcount_destroy(&actions->ref_count);
         free(actions->ofpacts);
         free(actions);
     }
@@ -2712,11 +2724,10 @@ run_rule_executes(struct ofproto *ofproto)
 
     guarded_list_pop_all(&ofproto->rule_executes, &executes);
     LIST_FOR_EACH_SAFE (e, next, list_node, &executes) {
-        union flow_in_port in_port_;
         struct flow flow;
 
-        in_port_.ofp_port = e->in_port;
-        flow_extract(e->packet, 0, 0, NULL, &in_port_, &flow);
+        flow_extract(e->packet, NULL, &flow);
+        flow.in_port.ofp_port = e->in_port;
         ofproto->ofproto_class->rule_execute(e->rule, &flow, e->packet);
 
         rule_execute_destroy(e);
@@ -2925,7 +2936,6 @@ handle_packet_out(struct ofconn *ofconn, const struct ofp_header *oh)
     uint64_t ofpacts_stub[1024 / 8];
     struct ofpbuf ofpacts;
     struct flow flow;
-    union flow_in_port in_port_;
     enum ofperr error;
 
     COVERAGE_INC(ofproto_packet_out);
@@ -2959,8 +2969,8 @@ handle_packet_out(struct ofconn *ofconn, const struct ofp_header *oh)
     }
 
     /* Verify actions against packet, then send packet if successful. */
-    in_port_.ofp_port = po.in_port;
-    flow_extract(payload, 0, 0, NULL, &in_port_, &flow);
+    flow_extract(payload, NULL, &flow);
+    flow.in_port.ofp_port = po.in_port;
     error = ofproto_check_ofpacts(p, po.ofpacts, po.ofpacts_len);
     if (!error) {
         error = p->ofproto_class->packet_out(p, payload, &flow,
@@ -2975,26 +2985,27 @@ exit:
 }
 
 static void
-update_port_config(struct ofport *port,
+update_port_config(struct ofconn *ofconn, struct ofport *port,
                    enum ofputil_port_config config,
                    enum ofputil_port_config mask)
 {
-    enum ofputil_port_config old_config = port->pp.config;
-    enum ofputil_port_config toggle;
+    enum ofputil_port_config toggle = (config ^ port->pp.config) & mask;
 
-    toggle = (config ^ port->pp.config) & mask;
-    if (toggle & OFPUTIL_PC_PORT_DOWN) {
-        if (config & OFPUTIL_PC_PORT_DOWN) {
-            netdev_turn_flags_off(port->netdev, NETDEV_UP, NULL);
-        } else {
-            netdev_turn_flags_on(port->netdev, NETDEV_UP, NULL);
-        }
+    if (toggle & OFPUTIL_PC_PORT_DOWN
+        && (config & OFPUTIL_PC_PORT_DOWN
+            ? netdev_turn_flags_off(port->netdev, NETDEV_UP, NULL)
+            : netdev_turn_flags_on(port->netdev, NETDEV_UP, NULL))) {
+        /* We tried to bring the port up or down, but it failed, so don't
+         * update the "down" bit. */
         toggle &= ~OFPUTIL_PC_PORT_DOWN;
     }
 
-    port->pp.config ^= toggle;
-    if (port->pp.config != old_config) {
+    if (toggle) {
+        enum ofputil_port_config old_config = port->pp.config;
+        port->pp.config ^= toggle;
         port->ofproto->ofproto_class->port_reconfigured(port, old_config);
+        connmgr_send_port_status(port->ofproto->connmgr, ofconn, &port->pp,
+                                 OFPPR_MODIFY);
     }
 }
 
@@ -3022,7 +3033,7 @@ handle_port_mod(struct ofconn *ofconn, const struct ofp_header *oh)
     } else if (!eth_addr_equals(port->pp.hw_addr, pm.hw_addr)) {
         return OFPERR_OFPPMFC_BAD_HW_ADDR;
     } else {
-        update_port_config(port, pm.config, pm.mask);
+        update_port_config(ofconn, port, pm.config, pm.mask);
         if (pm.advertise) {
             netdev_set_advertisements(port->netdev, pm.advertise);
         }
@@ -6692,7 +6703,6 @@ oftable_destroy(struct oftable *table)
     oftable_disable_eviction(table);
     classifier_destroy(&table->cls);
     free(table->name);
-    atomic_destroy(&table->config);
 }
 
 /* Changes the name of 'table' to 'name'.  If 'name' is NULL or the empty