diff options
| author | Vlad Buslov <vladbu@mellanox.com> | 2019-03-13 19:50:24 +0200 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@mellanox.com> | 2019-07-29 16:40:25 -0700 |
| commit | ad86755b18d5edf1956f6d25c844f27289216877 (patch) | |
| tree | 4d241e7ac4920899881468fe17443e303285f408 /drivers/net/ethernet/mellanox/mlx5/core/en_rep.c | |
| parent | c5d326b29603bad4e5342801414b7302ba010209 (diff) | |
net/mlx5e: Protect unready flows with dedicated lock
In order to remove dependency on rtnl lock for protecting unready_flows
list when reoffloading unready flows on workqueue, extend representor
uplink private structure with dedicated 'unready_flows_lock' mutex. Take
the lock in all users of unready_flows list before accessing it. Implement
helper functions to add and delete unready flow.
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Reviewed-by: Jianbo Liu <jianbol@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_rep.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_rep.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c index 69f7ac8fc9be..6edf0aeb1e26 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c @@ -1560,6 +1560,7 @@ static int mlx5e_init_rep_tx(struct mlx5e_priv *priv) if (rpriv->rep->vport == MLX5_VPORT_UPLINK) { uplink_priv = &rpriv->uplink_priv; + mutex_init(&uplink_priv->unready_flows_lock); INIT_LIST_HEAD(&uplink_priv->unready_flows); /* init shared tc flow table */ @@ -1604,6 +1605,7 @@ static void mlx5e_cleanup_rep_tx(struct mlx5e_priv *priv) /* delete shared tc flow table */ mlx5e_tc_esw_cleanup(&rpriv->uplink_priv.tc_ht); + mutex_destroy(&rpriv->uplink_priv.unready_flows_lock); } } |