GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-06-27 09:02:06 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

openvswitch: Move mega-flow list out of rehashing struct.

Browse source 
ovs-flow rehash does not touch mega flow list. Following patch
moves it dp struct datapath.  Avoid one extra indirection for
accessing mega-flow list head on every packet receive.

Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
This commit is contained in:
Pravin B Shelar 2013-10-04 00:14:23 -07:00 • committed by Jesse Gross
parent e64457191a
commit b637e4988c
4 changed files with 163 additions and 173 deletions
Download patch file Download diff file Expand all files Collapse all files

32
net/openvswitch/flow_table.h
View file

@ -36,42 +36,36 @@
#include "flow.h"
#define TBL_MIN_BUCKETS 1024
struct flow_table {
struct table_instance {
struct flex_array *buckets;
unsigned int count, n_buckets;
unsigned int n_buckets;
struct rcu_head rcu;
struct list_head *mask_list;
int node_ver;
u32 hash_seed;
bool keep_flows;
};
struct flow_table {
struct table_instance __rcu *ti;
struct list_head mask_list;
unsigned long last_rehash;
unsigned int count;
};
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);
static inline int ovs_flow_tbl_count(struct flow_table *table)
{
return table->count;
}
static inline int ovs_flow_tbl_need_to_expand(struct flow_table *table)
{
return (table->count > table->n_buckets);
}
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);
int ovs_flow_tbl_init(struct flow_table *);
int ovs_flow_tbl_count(struct flow_table *table);
void ovs_flow_tbl_destroy(struct flow_table *table, bool deferred);
int ovs_flow_tbl_flush(struct flow_table *flow_table);
void ovs_flow_tbl_insert(struct flow_table *table, struct sw_flow *flow);
void ovs_flow_tbl_remove(struct flow_table *table, struct sw_flow *flow);
struct sw_flow *ovs_flow_tbl_dump_next(struct flow_table *table,
struct sw_flow *ovs_flow_tbl_dump_next(struct table_instance *table,
u32 *bucket, u32 *idx);
struct sw_flow *ovs_flow_tbl_lookup(struct flow_table *,
const struct sw_flow_key *);