#ifndef DATAPATH_H
#define DATAPATH_H 1
+#include <linux/mutex.h>
#include <linux/netlink.h>
#include <linux/netdevice.h>
+#include <linux/workqueue.h>
#include <linux/skbuff.h>
#include "openflow.h"
#include "flow.h"
#endif
/* Capabilities supported by this implementation. */
-#define OFP_SUPPORTED_CAPABILITIES (OFPC_MULTI_PHY_TX)
+#define OFP_SUPPORTED_CAPABILITIES ( OFPC_FLOW_STATS \
+ | OFPC_TABLE_STATS \
+ | OFPC_PORT_STATS \
+ | OFPC_MULTI_PHY_TX )
/* Actions supported by this implementation. */
#define OFP_SUPPORTED_ACTIONS ( (1 << OFPAT_OUTPUT) \
uint32_t seq; /* Netlink sequence ID of request. */
};
-int dp_output_port(struct datapath *, struct sk_buff *, int out_port);
+#define PORT_STATUS_BITS (OFPPFL_PORT_DOWN | OFPPFL_LINK_DOWN)
+#define PORT_FLAG_BITS (~PORT_STATUS_BITS)
+
+struct net_bridge_port {
+ u16 port_no;
+ u32 flags; /* Some subset of PORT_FLAG_BITS. */
+ u32 status; /* Some subset of PORT_STATUS_BITS. */
+ spinlock_t lock;
+ struct work_struct port_task;
+ struct datapath *dp;
+ struct net_device *dev;
+ struct list_head node; /* Element in datapath.ports. */
+};
+
+extern struct mutex dp_mutex;
+
+int dp_output_port(struct datapath *, struct sk_buff *, int out_port,
+ int ignore_no_fwd);
int dp_output_control(struct datapath *, struct sk_buff *, uint32_t,
size_t, int);
int dp_set_origin(struct datapath *, uint16_t, struct sk_buff *);
int dp_send_features_reply(struct datapath *, const struct sender *);
int dp_send_config_reply(struct datapath *, const struct sender *);
-int dp_send_flow_expired(struct datapath *, struct sw_flow *);
+int dp_send_flow_expired(struct datapath *, struct sw_flow *,
+ enum ofp_flow_expired_reason);
int dp_send_error_msg(struct datapath *, const struct sender *,
- uint16_t, uint16_t, const uint8_t *, size_t);
-int dp_update_port_flags(struct datapath *dp, const struct ofp_phy_port *opp);
+ uint16_t, uint16_t, const void *, size_t);
+int dp_update_port_flags(struct datapath *dp, const struct ofp_port_mod *opm);
+int dp_send_echo_reply(struct datapath *, const struct sender *,
+ const struct ofp_header *);
+int dp_send_hello(struct datapath *, const struct sender *,
+ const struct ofp_header *);
/* Should hold at least RCU read lock when calling */
struct datapath *dp_get(int dp_idx);