1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ 2 /* Copyright (c) 2018 Mellanox Technologies. */ 3 4 #ifndef __MLX5_EN_TC_TUNNEL_H__ 5 #define __MLX5_EN_TC_TUNNEL_H__ 6 7 #include <linux/netdevice.h> 8 #include <linux/mlx5/fs.h> 9 #include <net/pkt_cls.h> 10 #include <linux/netlink.h> 11 #include "en.h" 12 #include "en_rep.h" 13 14 enum { 15 MLX5E_TC_TUNNEL_TYPE_UNKNOWN, 16 MLX5E_TC_TUNNEL_TYPE_VXLAN, 17 MLX5E_TC_TUNNEL_TYPE_GENEVE, 18 MLX5E_TC_TUNNEL_TYPE_GRETAP, 19 }; 20 21 struct mlx5e_tc_tunnel { 22 int tunnel_type; 23 enum mlx5_flow_match_level match_level; 24 25 bool (*can_offload)(struct mlx5e_priv *priv); 26 int (*calc_hlen)(struct mlx5e_encap_entry *e); 27 int (*init_encap_attr)(struct net_device *tunnel_dev, 28 struct mlx5e_priv *priv, 29 struct mlx5e_encap_entry *e, 30 struct netlink_ext_ack *extack); 31 int (*generate_ip_tun_hdr)(char buf[], 32 __u8 *ip_proto, 33 struct mlx5e_encap_entry *e); 34 int (*parse_udp_ports)(struct mlx5e_priv *priv, 35 struct mlx5_flow_spec *spec, 36 struct flow_cls_offload *f, 37 void *headers_c, 38 void *headers_v); 39 int (*parse_tunnel)(struct mlx5e_priv *priv, 40 struct mlx5_flow_spec *spec, 41 struct flow_cls_offload *f, 42 void *headers_c, 43 void *headers_v); 44 }; 45 46 extern struct mlx5e_tc_tunnel vxlan_tunnel; 47 extern struct mlx5e_tc_tunnel geneve_tunnel; 48 extern struct mlx5e_tc_tunnel gre_tunnel; 49 50 struct mlx5e_tc_tunnel *mlx5e_get_tc_tun(struct net_device *tunnel_dev); 51 52 int mlx5e_tc_tun_init_encap_attr(struct net_device *tunnel_dev, 53 struct mlx5e_priv *priv, 54 struct mlx5e_encap_entry *e, 55 struct netlink_ext_ack *extack); 56 57 int mlx5e_tc_tun_create_header_ipv4(struct mlx5e_priv *priv, 58 struct net_device *mirred_dev, 59 struct mlx5e_encap_entry *e); 60 61 int mlx5e_tc_tun_create_header_ipv6(struct mlx5e_priv *priv, 62 struct net_device *mirred_dev, 63 struct mlx5e_encap_entry *e); 64 65 bool mlx5e_tc_tun_device_to_offload(struct mlx5e_priv *priv, 66 struct net_device *netdev); 67 68 int mlx5e_tc_tun_parse(struct net_device *filter_dev, 69 struct mlx5e_priv *priv, 70 struct mlx5_flow_spec *spec, 71 struct flow_cls_offload *f, 72 void *headers_c, 73 void *headers_v, u8 *match_level); 74 75 int mlx5e_tc_tun_parse_udp_ports(struct mlx5e_priv *priv, 76 struct mlx5_flow_spec *spec, 77 struct flow_cls_offload *f, 78 void *headers_c, 79 void *headers_v); 80 81 #endif //__MLX5_EN_TC_TUNNEL_H__ 82
