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Diffstat (limited to 'net/openvswitch/datapath.h')
-rw-r--r--net/openvswitch/datapath.h26
1 files changed, 18 insertions, 8 deletions
diff --git a/net/openvswitch/datapath.h b/net/openvswitch/datapath.h
index 4d109c176ef..7ede507500d 100644
--- a/net/openvswitch/datapath.h
+++ b/net/openvswitch/datapath.h
@@ -27,6 +27,7 @@
#include <linux/u64_stats_sync.h>
#include "flow.h"
+#include "flow_table.h"
#include "vport.h"
#define DP_MAX_PORTS USHRT_MAX
@@ -45,19 +46,23 @@
* @n_lost: Number of received packets that had no matching flow in the flow
* table that could not be sent to userspace (normally due to an overflow in
* one of the datapath's queues).
+ * @n_mask_hit: Number of masks looked up for flow match.
+ * @n_mask_hit / (@n_hit + @n_missed) will be the average masks looked
+ * up per packet.
*/
struct dp_stats_percpu {
u64 n_hit;
u64 n_missed;
u64 n_lost;
- struct u64_stats_sync sync;
+ u64 n_mask_hit;
+ struct u64_stats_sync syncp;
};
/**
* struct datapath - datapath for flow-based packet switching
* @rcu: RCU callback head for deferred destruction.
* @list_node: Element in global 'dps' list.
- * @table: Current flow table. Protected by ovs_mutex and RCU.
+ * @table: flow table.
* @ports: Hash table for ports. %OVSP_LOCAL port always exists. Protected by
* ovs_mutex and RCU.
* @stats_percpu: Per-CPU datapath statistics.
@@ -71,7 +76,7 @@ struct datapath {
struct list_head list_node;
/* Flow table. */
- struct flow_table __rcu *table;
+ struct flow_table table;
/* Switch ports. */
struct hlist_head *ports;
@@ -83,6 +88,8 @@ struct datapath {
/* Network namespace ref. */
struct net *net;
#endif
+
+ u32 user_features;
};
/**
@@ -140,6 +147,8 @@ int lockdep_ovsl_is_held(void);
#define ASSERT_OVSL() WARN_ON(unlikely(!lockdep_ovsl_is_held()))
#define ovsl_dereference(p) \
rcu_dereference_protected(p, lockdep_ovsl_is_held())
+#define rcu_dereference_ovsl(p) \
+ rcu_dereference_check(p, lockdep_ovsl_is_held())
static inline struct net *ovs_dp_get_net(struct datapath *dp)
{
@@ -172,21 +181,22 @@ static inline struct vport *ovs_vport_ovsl(const struct datapath *dp, int port_n
}
extern struct notifier_block ovs_dp_device_notifier;
-extern struct genl_multicast_group ovs_dp_vport_multicast_group;
+extern struct genl_family dp_vport_genl_family;
void ovs_dp_process_received_packet(struct vport *, struct sk_buff *);
void ovs_dp_detach_port(struct vport *);
int ovs_dp_upcall(struct datapath *, struct sk_buff *,
const struct dp_upcall_info *);
-const char *ovs_dp_name(const struct datapath *dp);
struct sk_buff *ovs_vport_cmd_build_info(struct vport *, u32 pid, u32 seq,
u8 cmd);
int ovs_execute_actions(struct datapath *dp, struct sk_buff *skb);
void ovs_dp_notify_wq(struct work_struct *work);
-#define OVS_NLERR(fmt, ...) \
- pr_info_once("netlink: " fmt, ##__VA_ARGS__)
-
+#define OVS_NLERR(fmt, ...) \
+do { \
+ if (net_ratelimit()) \
+ pr_info("netlink: " fmt, ##__VA_ARGS__); \
+} while (0)
#endif /* datapath.h */