1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ 2 /* Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */ 3 4 #ifndef __MLX5_VNET_H__ 5 #define __MLX5_VNET_H__ 6 7 #include "mlx5_vdpa.h" 8 9 #define to_mlx5_vdpa_ndev(__mvdev) \ 10 container_of(__mvdev, struct mlx5_vdpa_net, mvdev) 11 #define to_mvdev(__vdev) container_of((__vdev), struct mlx5_vdpa_dev, vdev) 12 13 struct mlx5_vdpa_net_resources { 14 u32 tisn; 15 u32 tdn; 16 u32 tirn; 17 u32 rqtn; 18 bool valid; 19 struct dentry *tirn_dent; 20 }; 21 22 #define MLX5V_MACVLAN_SIZE 256 23 24 static inline u16 key2vid(u64 key) 25 { 26 return (u16)(key >> 48) & 0xfff; 27 } 28 29 struct mlx5_vdpa_net { 30 struct mlx5_vdpa_dev mvdev; 31 struct mlx5_vdpa_net_resources res; 32 struct virtio_net_config config; 33 struct mlx5_vdpa_virtqueue *vqs; 34 struct vdpa_callback *event_cbs; 35 36 /* Serialize vq resources creation and destruction. This is required 37 * since memory map might change and we need to destroy and create 38 * resources while driver in operational. 39 */ 40 struct rw_semaphore reslock; 41 struct mlx5_flow_table *rxft; 42 struct dentry *rx_dent; 43 struct dentry *rx_table_dent; 44 bool setup; 45 u32 cur_num_vqs; 46 u32 rqt_size; 47 bool nb_registered; 48 struct notifier_block nb; 49 struct vdpa_callback config_cb; 50 struct mlx5_vdpa_wq_ent cvq_ent; 51 struct hlist_head macvlan_hash[MLX5V_MACVLAN_SIZE]; 52 struct dentry *debugfs; 53 }; 54 55 struct mlx5_vdpa_counter { 56 struct mlx5_fc *counter; 57 struct dentry *dent; 58 struct mlx5_core_dev *mdev; 59 }; 60 61 struct macvlan_node { 62 struct hlist_node hlist; 63 struct mlx5_flow_handle *ucast_rule; 64 struct mlx5_flow_handle *mcast_rule; 65 u64 macvlan; 66 struct mlx5_vdpa_net *ndev; 67 bool tagged; 68 #if defined(CONFIG_MLX5_VDPA_STEERING_DEBUG) 69 struct dentry *dent; 70 struct mlx5_vdpa_counter ucast_counter; 71 struct mlx5_vdpa_counter mcast_counter; 72 #endif 73 }; 74 75 void mlx5_vdpa_add_debugfs(struct mlx5_vdpa_net *ndev); 76 void mlx5_vdpa_remove_debugfs(struct dentry *dbg); 77 void mlx5_vdpa_add_rx_flow_table(struct mlx5_vdpa_net *ndev); 78 void mlx5_vdpa_remove_rx_flow_table(struct mlx5_vdpa_net *ndev); 79 void mlx5_vdpa_add_tirn(struct mlx5_vdpa_net *ndev); 80 void mlx5_vdpa_remove_tirn(struct mlx5_vdpa_net *ndev); 81 #if defined(CONFIG_MLX5_VDPA_STEERING_DEBUG) 82 void mlx5_vdpa_add_rx_counters(struct mlx5_vdpa_net *ndev, 83 struct macvlan_node *node); 84 void mlx5_vdpa_remove_rx_counters(struct mlx5_vdpa_net *ndev, 85 struct macvlan_node *node); 86 #else 87 static inline void mlx5_vdpa_add_rx_counters(struct mlx5_vdpa_net *ndev, 88 struct macvlan_node *node) {} 89 static inline void mlx5_vdpa_remove_rx_counters(struct mlx5_vdpa_net *ndev, 90 struct macvlan_node *node) {} 91 #endif 92 93 94 #endif /* __MLX5_VNET_H__ */ 95