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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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at master
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116/* SPDX-License-Identifier: GPL-2.0-only *//* * Copyright (c) 2007-2013 Nicira, Inc. */
#ifndef FLOW_TABLE_H#define FLOW_TABLE_H 1
#include <linux/kernel.h>#include <linux/netlink.h>#include <linux/openvswitch.h>#include <linux/spinlock.h>#include <linux/types.h>#include <linux/rcupdate.h>#include <linux/if_ether.h>#include <linux/in6.h>#include <linux/jiffies.h>#include <linux/time.h>
#include <net/inet_ecn.h>#include <net/ip_tunnels.h>
#include "flow.h"
struct mask_cache_entry { u32 skb_hash; u32 mask_index;};
struct mask_cache { struct rcu_head rcu; u32 cache_size; /* Must be ^2 value. */ struct mask_cache_entry __percpu *mask_cache;};
struct mask_count { int index; u64 counter;};
struct mask_array_stats { struct u64_stats_sync syncp; u64 usage_cntrs[];};
struct mask_array { struct rcu_head rcu; int count, max; struct mask_array_stats __percpu *masks_usage_stats; u64 *masks_usage_zero_cntr; struct sw_flow_mask __rcu *masks[] __counted_by(max);};
struct table_instance { struct hlist_head *buckets; unsigned int n_buckets; struct rcu_head rcu; int node_ver; u32 hash_seed;};
struct flow_table { struct table_instance __rcu *ti; struct table_instance __rcu *ufid_ti; struct mask_cache __rcu *mask_cache; struct mask_array __rcu *mask_array; unsigned long last_rehash; unsigned int count; unsigned int ufid_count;};
extern struct kmem_cache *flow_stats_cache;
int ovs_flow_init(void);void ovs_flow_exit(void);
struct sw_flow *ovs_flow_alloc(void);void ovs_flow_free(struct sw_flow *, bool deferred);
int ovs_flow_tbl_init(struct flow_table *);int ovs_flow_tbl_count(const struct flow_table *table);void ovs_flow_tbl_destroy(struct flow_table *table);int ovs_flow_tbl_flush(struct flow_table *flow_table);
int ovs_flow_tbl_insert(struct flow_table *table, struct sw_flow *flow, const struct sw_flow_mask *mask);void ovs_flow_tbl_remove(struct flow_table *table, struct sw_flow *flow);int ovs_flow_tbl_num_masks(const struct flow_table *table);u32 ovs_flow_tbl_masks_cache_size(const struct flow_table *table);int ovs_flow_tbl_masks_cache_resize(struct flow_table *table, u32 size);struct sw_flow *ovs_flow_tbl_dump_next(struct table_instance *table, u32 *bucket, u32 *idx);struct sw_flow *ovs_flow_tbl_lookup_stats(struct flow_table *, const struct sw_flow_key *, u32 skb_hash, u32 *n_mask_hit, u32 *n_cache_hit);struct sw_flow *ovs_flow_tbl_lookup(struct flow_table *, const struct sw_flow_key *);struct sw_flow *ovs_flow_tbl_lookup_exact(struct flow_table *tbl, const struct sw_flow_match *match);struct sw_flow *ovs_flow_tbl_lookup_ufid(struct flow_table *, const struct sw_flow_id *);
bool ovs_flow_cmp(const struct sw_flow *, const struct sw_flow_match *);
void ovs_flow_mask_key(struct sw_flow_key *dst, const struct sw_flow_key *src, bool full, const struct sw_flow_mask *mask);
void ovs_flow_masks_rebalance(struct flow_table *table);void table_instance_flow_flush(struct flow_table *table, struct table_instance *ti, struct table_instance *ufid_ti);
#endif /* flow_table.h */