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net/mlx5e: Fix quota counting in aRFS expire flow 

[ Upstream commit 2630bae801 ]

Quota should follow the amount of rules which do expire, and not the
number of rules that were examined, fixed that.

Fixes: 18c908e477 ("net/mlx5e: Add accelerated RFS support")
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
pull/10/head
Eran Ben Elisha 2018-07-08 13:08:55 +03:00 committed by Greg Kroah-Hartman
parent c83cd44202
commit 047af2d8ce
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
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@ -381,14 +381,14 @@ static void arfs_may_expire_flow(struct mlx5e_priv *priv)
HLIST_HEAD(del_list);
spin_lock_bh(&priv->fs.arfs.arfs_lock);
mlx5e_for_each_arfs_rule(arfs_rule, htmp, priv->fs.arfs.arfs_tables, i, j) {
if (quota++ > MLX5E_ARFS_EXPIRY_QUOTA)
break;
if (!work_pending(&arfs_rule->arfs_work) &&
rps_may_expire_flow(priv->netdev,
arfs_rule->rxq, arfs_rule->flow_id,
arfs_rule->filter_id)) {
hlist_del_init(&arfs_rule->hlist);
hlist_add_head(&arfs_rule->hlist, &del_list);
if (quota++ > MLX5E_ARFS_EXPIRY_QUOTA)
break;
}
}
spin_unlock_bh(&priv->fs.arfs.arfs_lock);