From: Amir Vadai <[email protected]>
Set lastuse statistic, when number of packets is changed compared to
last query. This was wrongly dropped when bulk counter reading was added.
Fixes: a351a1b03bf1 ('net/mlx5: Introduce bulk reading of flow counters')
Signed-off-by: Amir Vadai <[email protected]>
Reported-by: Paul Blakey <[email protected]>
Signed-off-by: Saeed Mahameed <[email protected]>
---
drivers/net/ethernet/mellanox/mlx5/core/fs_counters.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_counters.c
b/drivers/net/ethernet/mellanox/mlx5/core/fs_counters.c
index c2877e9..3a9195b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_counters.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_counters.c
@@ -126,12 +126,21 @@ static struct rb_node *mlx5_fc_stats_query(struct
mlx5_core_dev *dev,
for (node = &first->node; node; node = rb_next(node)) {
struct mlx5_fc *counter = rb_entry(node, struct mlx5_fc, node);
struct mlx5_fc_cache *c = &counter->cache;
+ u64 packets;
+ u64 bytes;
if (counter->id > last_id)
break;
mlx5_cmd_fc_bulk_get(dev, b,
- counter->id, &c->packets, &c->bytes);
+ counter->id, &packets, &bytes);
+
+ if (c->packets == packets)
+ continue;
+
+ c->packets = packets;
+ c->bytes = bytes;
+ c->lastuse = jiffies;
}
out:
--
2.7.4
