X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=datapath%2Fdatapath.h;h=28ce0dae4ded0d212cbc3a80e36c640f1c66d2c1;hb=3517d8bf8053d20d90d471d6f462fea5cd39bca0;hp=c55e2059409274ac8c50380f3a20784a45641369;hpb=b9298d3f825703063c9538aa37407da43e1e4781;p=openvswitch

diff --git a/datapath/datapath.h b/datapath/datapath.h
index c55e2059..28ce0dae 100644
--- a/datapath/datapath.h
+++ b/datapath/datapath.h
@@ -59,6 +59,7 @@ struct dp_stats_percpu {
 
 /**
  * struct datapath - datapath for flow-based packet switching
+ * @rcu: RCU callback head for deferred destruction.
  * @mutex: Mutual exclusion for ioctls.
  * @dp_idx: Datapath number (index into the dps[] array in datapath.c).
  * @ifobj: Represents /sys/class/net/<devname>/brif.
@@ -66,7 +67,7 @@ struct dp_stats_percpu {
  * @queues: %DP_N_QUEUES sets of queued packets for userspace to handle.
  * @waitqueue: Waitqueue, for waiting for new packets in @queues.
  * @n_flows: Number of flows currently in flow table.
- * @table: Current flow table (RCU protected).
+ * @table: Current flow table.
  * @n_ports: Number of ports currently in @ports.
  * @ports: Map from port number to &struct vport.  %ODPP_LOCAL port
  * always exists, other ports may be %NULL.
@@ -77,6 +78,7 @@ struct dp_stats_percpu {
  * sampling a given packet.
  */
 struct datapath {
+	struct rcu_head rcu;
 	struct mutex mutex;
 	int dp_idx;
 	struct kobject ifobj;
@@ -88,15 +90,15 @@ struct datapath {
 	wait_queue_head_t waitqueue;
 
 	/* Flow table. */
-	struct tbl *table;
+	struct tbl __rcu *table;
 
 	/* Switch ports. */
 	unsigned int n_ports;
-	struct vport *ports[DP_MAX_PORTS];
+	struct vport __rcu *ports[DP_MAX_PORTS];
 	struct list_head port_list;
 
 	/* Stats. */
-	struct dp_stats_percpu *stats_percpu;
+	struct dp_stats_percpu __percpu *stats_percpu;
 
 	/* sFlow Sampling */
 	unsigned int sflow_probability;