diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_rep.c | 17 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_rep.h | 3 |
2 files changed, 14 insertions, 6 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c index a294dc6b5a0c..218772d5c062 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c @@ -973,7 +973,7 @@ static int mlx5e_rep_neigh_init(struct mlx5e_rep_priv *rpriv) return err; INIT_LIST_HEAD(&neigh_update->neigh_list); - spin_lock_init(&neigh_update->encap_lock); + mutex_init(&neigh_update->encap_lock); INIT_DELAYED_WORK(&neigh_update->neigh_stats_work, mlx5e_rep_neigh_stats_work); mlx5e_rep_neigh_update_init_interval(rpriv); @@ -1000,6 +1000,7 @@ static void mlx5e_rep_neigh_cleanup(struct mlx5e_rep_priv *rpriv) cancel_delayed_work_sync(&rpriv->neigh_update.neigh_stats_work); + mutex_destroy(&neigh_update->encap_lock); rhashtable_destroy(&neigh_update->neigh_ht); } @@ -1024,18 +1025,18 @@ static void mlx5e_rep_neigh_entry_remove(struct mlx5e_neigh_hash_entry *nhe) { struct mlx5e_rep_priv *rpriv = nhe->priv->ppriv; - spin_lock_bh(&rpriv->neigh_update.encap_lock); + mutex_lock(&rpriv->neigh_update.encap_lock); list_del_rcu(&nhe->neigh_list); rhashtable_remove_fast(&rpriv->neigh_update.neigh_ht, &nhe->rhash_node, mlx5e_neigh_ht_params); - spin_unlock_bh(&rpriv->neigh_update.encap_lock); + mutex_unlock(&rpriv->neigh_update.encap_lock); } -/* This function must only be called under RTNL lock or under the - * representor's encap_lock in case RTNL mutex can't be held. +/* This function must only be called under the representor's encap_lock or + * inside rcu read lock section. */ static struct mlx5e_neigh_hash_entry * mlx5e_rep_neigh_entry_lookup(struct mlx5e_priv *priv, @@ -1088,17 +1089,23 @@ int mlx5e_rep_encap_entry_attach(struct mlx5e_priv *priv, err = mlx5_tun_entropy_refcount_inc(tun_entropy, e->reformat_type); if (err) return err; + + mutex_lock(&rpriv->neigh_update.encap_lock); nhe = mlx5e_rep_neigh_entry_lookup(priv, &e->m_neigh); if (!nhe) { err = mlx5e_rep_neigh_entry_create(priv, e, &nhe); if (err) { + mutex_unlock(&rpriv->neigh_update.encap_lock); mlx5_tun_entropy_refcount_dec(tun_entropy, e->reformat_type); return err; } } + e->nhe = nhe; list_add(&e->encap_list, &nhe->encap_list); + mutex_unlock(&rpriv->neigh_update.encap_lock); + return 0; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h index d057e401b0de..8fa27832bd81 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h @@ -35,6 +35,7 @@ #include <net/ip_tunnels.h> #include <linux/rhashtable.h> +#include <linux/mutex.h> #include "eswitch.h" #include "en.h" #include "lib/port_tun.h" @@ -48,7 +49,7 @@ struct mlx5e_neigh_update_table { */ struct list_head neigh_list; /* protect lookup/remove operations */ - spinlock_t encap_lock; + struct mutex encap_lock; struct notifier_block netevent_nb; struct delayed_work neigh_stats_work; unsigned long min_interval; /* jiffies */ |