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net: openvswitch: add masks cache hit counter

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Add a counter that counts the number of masks cache hits, and
export it through the megaflow netlink statistics.

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>
This commit is contained in:
Eelco Chaudron
2020-07-31 14:20:56 +02:00
committed by David S. Miller
parent d6526926de
commit 9d2f627b7e
5 changed files with 24 additions and 8 deletions
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2
include/uapi/linux/openvswitch.h
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@@ -102,8 +102,8 @@ struct ovs_dp_megaflow_stats {
__u64 n_mask_hit; /* Number of masks used for flow lookups. */
__u32 n_masks; /* Number of masks for the datapath. */
__u32 pad0; /* Pad for future expension. */
__u64 n_cache_hit; /* Number of cache matches for flow lookups. */
__u64 pad1; /* Pad for future expension. */
__u64 pad2; /* Pad for future expension. */
};
struct ovs_vport_stats {