X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=datapath%2Fflow.h;h=076448272b9c2dc1178bab4958704eea671cc56c;hb=e05924baf0c757b579eef2b3743130ade4b1a93c;hp=80a5b66b1018a84aa193d92b9009c5c9f30ac1f6;hpb=401eeb92d32ac0fa07f34f5b803d67b8032b6403;p=openvswitch diff --git a/datapath/flow.h b/datapath/flow.h index 80a5b66b..07644827 100644 --- a/datapath/flow.h +++ b/datapath/flow.h @@ -10,10 +10,10 @@ #define FLOW_H 1 #include +#include #include #include #include -#include #include #include #include @@ -25,8 +25,8 @@ struct sk_buff; struct sw_flow_actions { struct rcu_head rcu; - unsigned int n_actions; - union odp_action actions[]; + u32 actions_len; + struct nlattr actions[]; }; struct sw_flow { @@ -34,7 +34,10 @@ struct sw_flow { struct tbl_node tbl_node; struct odp_flow_key key; - struct sw_flow_actions *sf_acts; + 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). */ @@ -56,22 +59,26 @@ struct arp_eth_header unsigned char ar_sip[4]; /* sender IP address */ unsigned char ar_tha[ETH_ALEN]; /* target hardware address */ unsigned char ar_tip[4]; /* target IP address */ -} __attribute__((packed)); +} __packed; -extern struct kmem_cache *flow_cache; +int flow_init(void); +void flow_exit(void); -struct sw_flow_actions *flow_actions_alloc(size_t n_actions); +struct sw_flow *flow_alloc(void); void flow_deferred_free(struct sw_flow *); +void flow_free_tbl(struct tbl_node *); + +struct sw_flow_actions *flow_actions_alloc(u32 actions_len); void flow_deferred_free_acts(struct sw_flow_actions *); -int flow_extract(struct sk_buff *, u16 in_port, struct odp_flow_key *); + +void flow_hold(struct sw_flow *); +void flow_put(struct sw_flow *); + +int flow_extract(struct sk_buff *, u16 in_port, struct odp_flow_key *, bool *is_frag); void flow_used(struct sw_flow *, struct sk_buff *); u32 flow_hash(const struct odp_flow_key *key); int flow_cmp(const struct tbl_node *, void *target); -void flow_free_tbl(struct tbl_node *); - -int flow_init(void); -void flow_exit(void); static inline struct sw_flow *flow_cast(const struct tbl_node *node) {