mirror of
https://github.com/openvswitch/ovs
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50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
#ifndef FLOW_H
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#define FLOW_H 1
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#include <linux/kernel.h>
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#include <linux/spinlock.h>
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#include <linux/types.h>
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#include <linux/rcupdate.h>
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#include <linux/gfp.h>
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#include "openvswitch/datapath-protocol.h"
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struct sk_buff;
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struct sw_flow_actions {
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struct rcu_head rcu;
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unsigned int n_actions;
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union odp_action actions[];
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};
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struct sw_flow {
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struct rcu_head rcu;
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struct odp_flow_key key;
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struct sw_flow_actions *sf_acts;
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struct timespec used; /* Last used time. */
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u8 ip_tos; /* IP TOS value. */
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spinlock_t lock; /* Lock for values below. */
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u64 packet_count; /* Number of packets matched. */
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u64 byte_count; /* Number of bytes matched. */
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u8 tcp_flags; /* Union of seen TCP flags. */
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};
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extern struct kmem_cache *flow_cache;
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struct sw_flow_actions *flow_actions_alloc(size_t n_actions);
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void flow_free(struct sw_flow *);
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void flow_deferred_free(struct sw_flow *);
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void flow_deferred_free_acts(struct sw_flow_actions *);
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int flow_extract(struct sk_buff *, u16 in_port, struct odp_flow_key *);
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void flow_used(struct sw_flow *, struct sk_buff *);
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void print_flow(const struct odp_flow_key *);
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int flow_init(void);
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void flow_exit(void);
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#endif /* flow.h */
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