diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/lib')
4 files changed, 51 insertions, 86 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/crypto.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/crypto.c index dcea87ec5977..57eb91bcbca7 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lib/crypto.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/crypto.c @@ -6,7 +6,7 @@ int mlx5_create_encryption_key(struct mlx5_core_dev *mdev, void *key, u32 sz_bytes, - u32 *p_key_id) + u32 key_type, u32 *p_key_id) { u32 in[MLX5_ST_SZ_DW(create_encryption_key_in)] = {}; u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)]; @@ -41,8 +41,7 @@ int mlx5_create_encryption_key(struct mlx5_core_dev *mdev, memcpy(key_p, key, sz_bytes); MLX5_SET(encryption_key_obj, obj, key_size, general_obj_key_size); - MLX5_SET(encryption_key_obj, obj, key_type, - MLX5_GENERAL_OBJECT_TYPE_ENCRYPTION_KEY_TYPE_TLS); + MLX5_SET(encryption_key_obj, obj, key_type, key_type); MLX5_SET(general_obj_in_cmd_hdr, in, opcode, MLX5_CMD_OP_CREATE_GENERAL_OBJECT); MLX5_SET(general_obj_in_cmd_hdr, in, obj_type, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/mlx5.h b/drivers/net/ethernet/mellanox/mlx5/core/lib/mlx5.h index 249539247e2e..d046db7bb047 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lib/mlx5.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/mlx5.h @@ -80,8 +80,14 @@ void mlx5_get_pme_stats(struct mlx5_core_dev *dev, struct mlx5_pme_stats *stats) int mlx5_notifier_call_chain(struct mlx5_events *events, unsigned int event, void *data); /* Crypto */ +enum { + MLX5_ACCEL_OBJ_TLS_KEY = MLX5_GENERAL_OBJECT_TYPE_ENCRYPTION_KEY_TYPE_TLS, + MLX5_ACCEL_OBJ_IPSEC_KEY = MLX5_GENERAL_OBJECT_TYPE_ENCRYPTION_KEY_TYPE_IPSEC, +}; + int mlx5_create_encryption_key(struct mlx5_core_dev *mdev, - void *key, u32 sz_bytes, u32 *p_key_id); + void *key, u32 sz_bytes, + u32 key_type, u32 *p_key_id); void mlx5_destroy_encryption_key(struct mlx5_core_dev *mdev, u32 key_id); static inline struct net *mlx5_core_net(struct mlx5_core_dev *dev) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/vxlan.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/vxlan.c index 82c766a95165..3315afe2f8dc 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lib/vxlan.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/vxlan.c @@ -40,24 +40,16 @@ struct mlx5_vxlan { struct mlx5_core_dev *mdev; - spinlock_t lock; /* protect vxlan table */ /* max_num_ports is usuallly 4, 16 buckets is more than enough */ DECLARE_HASHTABLE(htable, 4); - int num_ports; struct mutex sync_lock; /* sync add/del port HW operations */ }; struct mlx5_vxlan_port { struct hlist_node hlist; - refcount_t refcount; u16 udp_port; }; -static inline u8 mlx5_vxlan_max_udp_ports(struct mlx5_core_dev *mdev) -{ - return MLX5_CAP_ETH(mdev, max_vxlan_udp_ports) ?: 4; -} - static int mlx5_vxlan_core_add_port_cmd(struct mlx5_core_dev *mdev, u16 port) { u32 in[MLX5_ST_SZ_DW(add_vxlan_udp_dport_in)] = {}; @@ -78,113 +70,78 @@ static int mlx5_vxlan_core_del_port_cmd(struct mlx5_core_dev *mdev, u16 port) return mlx5_cmd_exec_in(mdev, delete_vxlan_udp_dport, in); } -static struct mlx5_vxlan_port* -mlx5_vxlan_lookup_port_locked(struct mlx5_vxlan *vxlan, u16 port) +bool mlx5_vxlan_lookup_port(struct mlx5_vxlan *vxlan, u16 port) { struct mlx5_vxlan_port *vxlanp; + bool found = false; - hash_for_each_possible(vxlan->htable, vxlanp, hlist, port) { - if (vxlanp->udp_port == port) - return vxlanp; - } + if (!mlx5_vxlan_allowed(vxlan)) + return NULL; - return NULL; + rcu_read_lock(); + hash_for_each_possible_rcu(vxlan->htable, vxlanp, hlist, port) + if (vxlanp->udp_port == port) { + found = true; + break; + } + rcu_read_unlock(); + + return found; } -struct mlx5_vxlan_port *mlx5_vxlan_lookup_port(struct mlx5_vxlan *vxlan, u16 port) +static struct mlx5_vxlan_port *vxlan_lookup_port(struct mlx5_vxlan *vxlan, u16 port) { struct mlx5_vxlan_port *vxlanp; - if (!mlx5_vxlan_allowed(vxlan)) - return NULL; - - spin_lock_bh(&vxlan->lock); - vxlanp = mlx5_vxlan_lookup_port_locked(vxlan, port); - spin_unlock_bh(&vxlan->lock); - - return vxlanp; + hash_for_each_possible(vxlan->htable, vxlanp, hlist, port) + if (vxlanp->udp_port == port) + return vxlanp; + return NULL; } int mlx5_vxlan_add_port(struct mlx5_vxlan *vxlan, u16 port) { struct mlx5_vxlan_port *vxlanp; - int ret = -ENOSPC; - - vxlanp = mlx5_vxlan_lookup_port(vxlan, port); - if (vxlanp) { - refcount_inc(&vxlanp->refcount); - return 0; - } - - mutex_lock(&vxlan->sync_lock); - if (vxlan->num_ports >= mlx5_vxlan_max_udp_ports(vxlan->mdev)) { - mlx5_core_info(vxlan->mdev, - "UDP port (%d) not offloaded, max number of UDP ports (%d) are already offloaded\n", - port, mlx5_vxlan_max_udp_ports(vxlan->mdev)); - ret = -ENOSPC; - goto unlock; - } - - ret = mlx5_vxlan_core_add_port_cmd(vxlan->mdev, port); - if (ret) - goto unlock; + int ret; vxlanp = kzalloc(sizeof(*vxlanp), GFP_KERNEL); - if (!vxlanp) { - ret = -ENOMEM; - goto err_delete_port; - } - + if (!vxlanp) + return -ENOMEM; vxlanp->udp_port = port; - refcount_set(&vxlanp->refcount, 1); - spin_lock_bh(&vxlan->lock); - hash_add(vxlan->htable, &vxlanp->hlist, port); - spin_unlock_bh(&vxlan->lock); + ret = mlx5_vxlan_core_add_port_cmd(vxlan->mdev, port); + if (ret) { + kfree(vxlanp); + return ret; + } - vxlan->num_ports++; + mutex_lock(&vxlan->sync_lock); + hash_add_rcu(vxlan->htable, &vxlanp->hlist, port); mutex_unlock(&vxlan->sync_lock); - return 0; - -err_delete_port: - mlx5_vxlan_core_del_port_cmd(vxlan->mdev, port); -unlock: - mutex_unlock(&vxlan->sync_lock); - return ret; + return 0; } int mlx5_vxlan_del_port(struct mlx5_vxlan *vxlan, u16 port) { struct mlx5_vxlan_port *vxlanp; - bool remove = false; int ret = 0; mutex_lock(&vxlan->sync_lock); - spin_lock_bh(&vxlan->lock); - vxlanp = mlx5_vxlan_lookup_port_locked(vxlan, port); - if (!vxlanp) { + vxlanp = vxlan_lookup_port(vxlan, port); + if (WARN_ON(!vxlanp)) { ret = -ENOENT; goto out_unlock; } - if (refcount_dec_and_test(&vxlanp->refcount)) { - hash_del(&vxlanp->hlist); - remove = true; - } + hash_del_rcu(&vxlanp->hlist); + synchronize_rcu(); + mlx5_vxlan_core_del_port_cmd(vxlan->mdev, port); + kfree(vxlanp); out_unlock: - spin_unlock_bh(&vxlan->lock); - - if (remove) { - mlx5_vxlan_core_del_port_cmd(vxlan->mdev, port); - kfree(vxlanp); - vxlan->num_ports--; - } - mutex_unlock(&vxlan->sync_lock); - return ret; } @@ -201,7 +158,6 @@ struct mlx5_vxlan *mlx5_vxlan_create(struct mlx5_core_dev *mdev) vxlan->mdev = mdev; mutex_init(&vxlan->sync_lock); - spin_lock_init(&vxlan->lock); hash_init(vxlan->htable); /* Hardware adds 4789 (IANA_VXLAN_UDP_PORT) by default */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/vxlan.h b/drivers/net/ethernet/mellanox/mlx5/core/lib/vxlan.h index 8fb0eb08fa6d..ec766529f49b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lib/vxlan.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/vxlan.h @@ -37,6 +37,11 @@ struct mlx5_vxlan; struct mlx5_vxlan_port; +static inline u8 mlx5_vxlan_max_udp_ports(struct mlx5_core_dev *mdev) +{ + return MLX5_CAP_ETH(mdev, max_vxlan_udp_ports) ?: 4; +} + static inline bool mlx5_vxlan_allowed(struct mlx5_vxlan *vxlan) { /* not allowed reason is encoded in vxlan pointer as error, @@ -50,15 +55,14 @@ struct mlx5_vxlan *mlx5_vxlan_create(struct mlx5_core_dev *mdev); void mlx5_vxlan_destroy(struct mlx5_vxlan *vxlan); int mlx5_vxlan_add_port(struct mlx5_vxlan *vxlan, u16 port); int mlx5_vxlan_del_port(struct mlx5_vxlan *vxlan, u16 port); -struct mlx5_vxlan_port *mlx5_vxlan_lookup_port(struct mlx5_vxlan *vxlan, u16 port); +bool mlx5_vxlan_lookup_port(struct mlx5_vxlan *vxlan, u16 port); #else static inline struct mlx5_vxlan* mlx5_vxlan_create(struct mlx5_core_dev *mdev) { return ERR_PTR(-EOPNOTSUPP); } static inline void mlx5_vxlan_destroy(struct mlx5_vxlan *vxlan) { return; } static inline int mlx5_vxlan_add_port(struct mlx5_vxlan *vxlan, u16 port) { return -EOPNOTSUPP; } static inline int mlx5_vxlan_del_port(struct mlx5_vxlan *vxlan, u16 port) { return -EOPNOTSUPP; } -static inline struct mx5_vxlan_port* -mlx5_vxlan_lookup_port(struct mlx5_vxlan *vxlan, u16 port) { return NULL; } +static inline bool mlx5_vxlan_lookup_port(struct mlx5_vxlan *vxlan, u16 port) { return false; } #endif #endif /* __MLX5_VXLAN_H__ */ |