diff options
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index fe1b04aa910a..09d5cc700297 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -189,6 +189,8 @@ struct mlx5e_mod_hdr_entry { /* a node of a hash table which keeps all the mod_hdr entries */ struct hlist_node mod_hdr_hlist; + /* protects flows list */ + spinlock_t flows_lock; /* flows sharing the same mod_hdr entry */ struct list_head flows; @@ -358,6 +360,7 @@ static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, mh->key.actions = (void *)mh + sizeof(*mh); memcpy(mh->key.actions, key.actions, actions_size); mh->key.num_actions = num_actions; + spin_lock_init(&mh->flows_lock); INIT_LIST_HEAD(&mh->flows); refcount_set(&mh->refcnt, 1); @@ -372,7 +375,9 @@ static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv, attach_flow: flow->mh = mh; + spin_lock(&mh->flows_lock); list_add(&flow->mod_hdr, &mh->flows); + spin_unlock(&mh->flows_lock); if (is_eswitch_flow) flow->esw_attr->mod_hdr_id = mh->mod_hdr_id; else @@ -392,7 +397,9 @@ static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv, if (!flow->mh) return; + spin_lock(&flow->mh->flows_lock); list_del(&flow->mod_hdr); + spin_unlock(&flow->mh->flows_lock); mlx5e_mod_hdr_put(priv, flow->mh); flow->mh = NULL; |