datapath: add skb mark matching and set action

[cascardo/ovs.git] / datapath / flow.h

diff --git a/datapath/flow.h b/datapath/flow.h
index 5be481e..f97ec08 100644 (file)
--- a/datapath/flow.h
+++ b/datapath/flow.h
@@ -42,8 +42,11 @@ struct sw_flow_actions {
 
 struct sw_flow_key {
        struct {
-               __be64  tun_id;         /* Encapsulating tunnel ID. */
+               union {
+                       struct ovs_key_ipv4_tunnel tun_key;  /* Encapsulating tunnel key. */
+               } tun;
                u32     priority;       /* Packet QoS priority. */
+               u32     skb_mark;       /* SKB mark. */
                u16     in_port;        /* Input switch port (or DP_MAX_PORTS). */
        } phy;
        struct {
@@ -102,9 +105,6 @@ struct sw_flow {
        struct sw_flow_key key;
        struct sw_flow_actions __rcu *sf_acts;
 
-       atomic_t refcnt;
-       bool dead;
-
        spinlock_t lock;        /* Lock for values below. */
        unsigned long used;     /* Last used time (in jiffies). */
        u64 packet_count;       /* Number of packets matched. */
@@ -131,13 +131,11 @@ void ovs_flow_exit(void);
 
 struct sw_flow *ovs_flow_alloc(void);
 void ovs_flow_deferred_free(struct sw_flow *);
+void ovs_flow_free(struct sw_flow *);
 
 struct sw_flow_actions *ovs_flow_actions_alloc(const struct nlattr *);
 void ovs_flow_deferred_free_acts(struct sw_flow_actions *);
 
-void ovs_flow_hold(struct sw_flow *);
-void ovs_flow_put(struct sw_flow *);
-
 int ovs_flow_extract(struct sk_buff *, u16 in_port, struct sw_flow_key *,
                     int *key_lenp);
 void ovs_flow_used(struct sw_flow *, struct sk_buff *);
@@ -150,23 +148,27 @@ u64 ovs_flow_used_time(unsigned long flow_jiffies);
  *                         ------  ---  ------  -----
  *  OVS_KEY_ATTR_PRIORITY      4    --     4      8
  *  OVS_KEY_ATTR_TUN_ID        8    --     4     12
+ *  OVS_KEY_ATTR_IPV4_TUNNEL  24    --     4     28
  *  OVS_KEY_ATTR_IN_PORT       4    --     4      8
+ *  OVS_KEY_ATTR_SKB_MARK      4    --     4      8
  *  OVS_KEY_ATTR_ETHERNET     12    --     4     16
+ *  OVS_KEY_ATTR_ETHERTYPE     2     2     4      8  (outer VLAN ethertype)
  *  OVS_KEY_ATTR_8021Q         4    --     4      8
- *  OVS_KEY_ATTR_ETHERTYPE     2     2     4      8
+ *  OVS_KEY_ATTR_ENCAP         0    --     4      4  (VLAN encapsulation)
+ *  OVS_KEY_ATTR_ETHERTYPE     2     2     4      8  (inner VLAN ethertype)
  *  OVS_KEY_ATTR_IPV6         40    --     4     44
  *  OVS_KEY_ATTR_ICMPV6        2     2     4      8
  *  OVS_KEY_ATTR_ND           28    --     4     32
  *  -------------------------------------------------
- *  total                                       144
+ *  total                                       192
  */
-#define FLOW_BUFSIZE 144
+#define FLOW_BUFSIZE 192
 
 int ovs_flow_to_nlattrs(const struct sw_flow_key *, struct sk_buff *);
 int ovs_flow_from_nlattrs(struct sw_flow_key *swkey, int *key_lenp,
                      const struct nlattr *);
-int ovs_flow_metadata_from_nlattrs(u32 *priority, u16 *in_port, __be64 *tun_id,
-                                  const struct nlattr *);
+int ovs_flow_metadata_from_nlattrs(struct sw_flow *flow, int key_len,
+                                  const struct nlattr *attr);
 
 #define MAX_ACTIONS_BUFSIZE    (16 * 1024)
 #define TBL_MIN_BUCKETS                1024
@@ -197,9 +199,9 @@ void ovs_flow_tbl_deferred_destroy(struct flow_table *table);
 struct flow_table *ovs_flow_tbl_alloc(int new_size);
 struct flow_table *ovs_flow_tbl_expand(struct flow_table *table);
 struct flow_table *ovs_flow_tbl_rehash(struct flow_table *table);
-void ovs_flow_tbl_insert(struct flow_table *table, struct sw_flow *flow);
+void ovs_flow_tbl_insert(struct flow_table *table, struct sw_flow *flow,
+                        struct sw_flow_key *key, int key_len);
 void ovs_flow_tbl_remove(struct flow_table *table, struct sw_flow *flow);
-u32 ovs_flow_hash(const struct sw_flow_key *key, int key_len);
 
 struct sw_flow *ovs_flow_tbl_next(struct flow_table *table, u32 *bucket, u32 *idx);
 extern const int ovs_key_lens[OVS_KEY_ATTR_MAX + 1];