datapath: Convert kernel priority actions into match/set.

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

diff --git a/datapath/flow.h b/datapath/flow.h
index ae12fe4..e68269e 100644 (file)
--- a/datapath/flow.h
+++ b/datapath/flow.h
@@ -11,6 +11,7 @@
 
 #include <linux/kernel.h>
 #include <linux/netlink.h>
+#include <linux/openvswitch.h>
 #include <linux/spinlock.h>
 #include <linux/types.h>
 #include <linux/rcupdate.h>
@@ -19,7 +20,7 @@
 #include <linux/jiffies.h>
 #include <linux/time.h>
 #include <linux/flex_array.h>
-#include "openvswitch/datapath-protocol.h"
+#include <net/inet_ecn.h>
 
 struct sk_buff;
 
@@ -29,10 +30,17 @@ struct sw_flow_actions {
        struct nlattr actions[];
 };
 
+/* Mask for the OVS_FRAG_TYPE_* value in the low 2 bits of ip.tos_frag in
+ * struct sw_flow_key. */
+#define OVS_FRAG_TYPE_MASK INET_ECN_MASK
+
 struct sw_flow_key {
        struct {
-               __be64 tun_id;          /* Encapsulating tunnel ID. */
-               u16    in_port;         /* Input switch port (or USHRT_MAX). */
+               __be64  tun_id;         /* Encapsulating tunnel ID. */
+               u32     priority;       /* Packet QoS priority. */
+               u16     in_port;        /* Input switch port (or USHRT_MAX). */
+       } phy;
+       struct {
                u8     src[ETH_ALEN];   /* Ethernet source address. */
                u8     dst[ETH_ALEN];   /* Ethernet destination address. */
                __be16 tci;             /* 0 if no VLAN, VLAN_TAG_PRESENT set otherwise. */
@@ -40,7 +48,8 @@ struct sw_flow_key {
        } eth;
        struct {
                u8     proto;           /* IP protocol or lower 8 bits of ARP opcode. */
-               u8     tos;             /* IP ToS (DSCP field, 6 bits). */
+               u8     tos_frag;        /* IP ToS DSCP in high 6 bits,
+                                        * OVS_FRAG_TYPE_* in low 2 bits. */
        } ip;
        union {
                struct {
@@ -81,7 +90,6 @@ struct sw_flow {
        struct rcu_head rcu;
        struct hlist_node  hash_node;
        u32 hash;
-       u32 upcall_pid;
 
        struct sw_flow_key key;
        struct sw_flow_actions __rcu *sf_acts;
@@ -124,7 +132,7 @@ void flow_hold(struct sw_flow *);
 void flow_put(struct sw_flow *);
 
 int flow_extract(struct sk_buff *, u16 in_port, struct sw_flow_key *,
-                int *key_lenp, bool *is_frag);
+                int *key_lenp);
 void flow_used(struct sw_flow *, struct sk_buff *);
 u64 flow_used_time(unsigned long flow_jiffies);
 
@@ -133,6 +141,7 @@ u64 flow_used_time(unsigned long flow_jiffies);
  *
  *                         struct  pad  nl hdr  total
  *                         ------  ---  ------  -----
+ *  OVS_KEY_ATTR_PRIORITY      4    --     4      8
  *  OVS_KEY_ATTR_TUN_ID        8    --     4     12
  *  OVS_KEY_ATTR_IN_PORT       4    --     4      8
  *  OVS_KEY_ATTR_ETHERNET     12    --     4     16
@@ -142,14 +151,14 @@ u64 flow_used_time(unsigned long flow_jiffies);
  *  OVS_KEY_ATTR_ICMPV6        2     2     4      8
  *  OVS_KEY_ATTR_ND           28    --     4     32
  *  -------------------------------------------------
- *  total                                       132
+ *  total                                      140
  */
-#define FLOW_BUFSIZE 132
+#define FLOW_BUFSIZE 140
 
 int flow_to_nlattrs(const struct sw_flow_key *, struct sk_buff *);
 int flow_from_nlattrs(struct sw_flow_key *swkey, int *key_lenp,
                      const struct nlattr *);
-int flow_metadata_from_nlattrs(u16 *in_port, __be64 *tun_id,
+int flow_metadata_from_nlattrs(u32 *priority, u16 *in_port, __be64 *tun_id,
                               const struct nlattr *);
 
 #define TBL_MIN_BUCKETS                1024
@@ -181,5 +190,6 @@ void flow_tbl_remove(struct flow_table *table, struct sw_flow *flow);
 u32 flow_hash(const struct sw_flow_key *key, int key_len);
 
 struct sw_flow *flow_tbl_next(struct flow_table *table, u32 *bucket, u32 *idx);
+extern const u32 ovs_key_lens[OVS_KEY_ATTR_MAX + 1];
 
 #endif /* flow.h */