diff options
| author | Eelco Chaudron <echaudro@redhat.com> | 2020-07-31 15:21:34 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-08-04 01:17:48 +0300 |
| commit | 9bf24f594c6acf676fb8c229f152c21bfb915ddb (patch) | |
| tree | 9c873cb21853766ebea8867842d0a566d42cf4b6 /net/openvswitch/flow_table.h | |
| parent | 9d2f627b7ec9d5d3246b6cec17f290ee6778c83b (diff) | |
| download | linux-9bf24f594c6acf676fb8c229f152c21bfb915ddb.tar.xz | |
net: openvswitch: make masks cache size configurable
This patch makes the masks cache size configurable, or with
a size of 0, disable it.
Reviewed-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Signed-off-by: Eelco Chaudron <echaudro@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/openvswitch/flow_table.h')
| -rw-r--r-- | net/openvswitch/flow_table.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/net/openvswitch/flow_table.h b/net/openvswitch/flow_table.h index 325e939371d8..74ce48fecba9 100644 --- a/net/openvswitch/flow_table.h +++ b/net/openvswitch/flow_table.h @@ -27,6 +27,12 @@ struct mask_cache_entry { 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; @@ -53,7 +59,7 @@ struct table_instance { struct flow_table { struct table_instance __rcu *ti; struct table_instance __rcu *ufid_ti; - struct mask_cache_entry __percpu *mask_cache; + struct mask_cache __rcu *mask_cache; struct mask_array __rcu *mask_array; unsigned long last_rehash; unsigned int count; @@ -77,6 +83,8 @@ 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 *, |