Add support for OFPFC_MODIFY Flow Mod command.

[sliver-openvswitch.git] / switch / switch-flow.h

diff --git a/switch/switch-flow.h b/switch/switch-flow.h
index 8de25be..0eb8c89 100644 (file)
--- a/switch/switch-flow.h
+++ b/switch/switch-flow.h
@@ -35,6 +35,7 @@
 #define SWITCH_FLOW_H 1
 
 #include <time.h>
+#include "openflow.h"
 #include "flow.h"
 #include "list.h"
 
@@ -44,42 +45,49 @@ struct ofp_match;
 struct sw_flow_key {
     struct flow flow;           /* Flow data (in network byte order). */
     uint32_t wildcards;         /* Wildcard fields (in host byte order). */
+    uint32_t nw_src_mask;       /* 1-bit in each significant nw_src bit. */
+    uint32_t nw_dst_mask;       /* 1-bit in each significant nw_dst bit. */
 };
 
-/* Maximum number of actions in a single flow entry. */
-#define MAX_ACTIONS 16
+struct sw_flow_actions {
+    unsigned int n_actions;
+    struct ofp_action actions[0];
+};
 
 struct sw_flow {
     struct sw_flow_key key;
 
-    uint16_t max_idle;          /* Idle time before discarding (seconds). */
     uint16_t priority;          /* Only used on entries with wildcards. */
+    uint16_t idle_timeout;      /* Idle time before discarding (seconds). */
+    uint16_t hard_timeout;      /* Hard expiration time (seconds) */
+    time_t used;                /* Last used time. */
     time_t created;             /* When the flow was created. */
-    time_t timeout;             /* When the flow expires (if idle). */
     uint64_t packet_count;      /* Number of packets seen. */
     uint64_t byte_count;        /* Number of bytes seen. */
+    uint8_t reason;             /* Reason flow expired (one of OFPER_*). */
+
+    struct sw_flow_actions *sf_acts;
 
     /* Private to table implementations. */
     struct list node;
     struct list iter_node;
     unsigned long int serial;
-
-    /* Actions (XXX probably most flows have only a single action). */
-    unsigned int n_actions;
-    struct ofp_action *actions;
 };
 
-int flow_matches(const struct sw_flow_key *, const struct sw_flow_key *);
+int flow_matches_1wild(const struct sw_flow_key *, const struct sw_flow_key *);
+int flow_matches_2wild(const struct sw_flow_key *, const struct sw_flow_key *);
 int flow_del_matches(const struct sw_flow_key *, const struct sw_flow_key *, 
                      int);
 struct sw_flow *flow_alloc(int n_actions);
 void flow_free(struct sw_flow *);
 void flow_deferred_free(struct sw_flow *);
+void flow_deferred_free_acts(struct sw_flow_actions *);
+void flow_replace_acts(struct sw_flow *, const struct ofp_action *, int);
 void flow_extract_match(struct sw_flow_key* to, const struct ofp_match* from);
 void flow_fill_match(struct ofp_match* to, const struct sw_flow_key* from);
 
 void print_flow(const struct sw_flow_key *);
-int flow_timeout(struct sw_flow *flow);
+bool flow_timeout(struct sw_flow *flow);
 void flow_used(struct sw_flow *flow, struct buffer *buffer);
 
 #endif /* switch-flow.h */