1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ 2 /* Copyright (c) 2019, Mellanox Technologies */ 3 4 #ifndef _MLX5DR_H_ 5 #define _MLX5DR_H_ 6 7 struct mlx5dr_domain; 8 struct mlx5dr_table; 9 struct mlx5dr_matcher; 10 struct mlx5dr_rule; 11 struct mlx5dr_action; 12 13 enum mlx5dr_domain_type { 14 MLX5DR_DOMAIN_TYPE_NIC_RX, 15 MLX5DR_DOMAIN_TYPE_NIC_TX, 16 MLX5DR_DOMAIN_TYPE_FDB, 17 }; 18 19 enum mlx5dr_domain_sync_flags { 20 MLX5DR_DOMAIN_SYNC_FLAGS_SW = 1 << 0, 21 MLX5DR_DOMAIN_SYNC_FLAGS_HW = 1 << 1, 22 }; 23 24 enum mlx5dr_action_reformat_type { 25 DR_ACTION_REFORMAT_TYP_TNL_L2_TO_L2, 26 DR_ACTION_REFORMAT_TYP_L2_TO_TNL_L2, 27 DR_ACTION_REFORMAT_TYP_TNL_L3_TO_L2, 28 DR_ACTION_REFORMAT_TYP_L2_TO_TNL_L3, 29 DR_ACTION_REFORMAT_TYP_INSERT_HDR, 30 DR_ACTION_REFORMAT_TYP_REMOVE_HDR, 31 }; 32 33 struct mlx5dr_match_parameters { 34 size_t match_sz; 35 u64 *match_buf; /* Device spec format */ 36 }; 37 38 struct mlx5dr_action_dest { 39 struct mlx5dr_action *dest; 40 struct mlx5dr_action *reformat; 41 }; 42 43 struct mlx5dr_domain * 44 mlx5dr_domain_create(struct mlx5_core_dev *mdev, enum mlx5dr_domain_type type); 45 46 int mlx5dr_domain_destroy(struct mlx5dr_domain *domain); 47 48 int mlx5dr_domain_sync(struct mlx5dr_domain *domain, u32 flags); 49 50 void mlx5dr_domain_set_peer(struct mlx5dr_domain *dmn, 51 struct mlx5dr_domain *peer_dmn); 52 53 struct mlx5dr_table * 54 mlx5dr_table_create(struct mlx5dr_domain *domain, u32 level, u32 flags, 55 u16 uid); 56 57 struct mlx5dr_table * 58 mlx5dr_table_get_from_fs_ft(struct mlx5_flow_table *ft); 59 60 int mlx5dr_table_destroy(struct mlx5dr_table *table); 61 62 u32 mlx5dr_table_get_id(struct mlx5dr_table *table); 63 64 struct mlx5dr_matcher * 65 mlx5dr_matcher_create(struct mlx5dr_table *table, 66 u32 priority, 67 u8 match_criteria_enable, 68 struct mlx5dr_match_parameters *mask); 69 70 int mlx5dr_matcher_destroy(struct mlx5dr_matcher *matcher); 71 72 struct mlx5dr_rule * 73 mlx5dr_rule_create(struct mlx5dr_matcher *matcher, 74 struct mlx5dr_match_parameters *value, 75 size_t num_actions, 76 struct mlx5dr_action *actions[], 77 u32 flow_source); 78 79 int mlx5dr_rule_destroy(struct mlx5dr_rule *rule); 80 81 int mlx5dr_table_set_miss_action(struct mlx5dr_table *tbl, 82 struct mlx5dr_action *action); 83 84 struct mlx5dr_action * 85 mlx5dr_action_create_dest_table_num(struct mlx5dr_domain *dmn, u32 table_num); 86 87 struct mlx5dr_action * 88 mlx5dr_action_create_dest_table(struct mlx5dr_table *table); 89 90 struct mlx5dr_action * 91 mlx5dr_action_create_dest_flow_fw_table(struct mlx5dr_domain *domain, 92 struct mlx5_flow_table *ft); 93 94 struct mlx5dr_action * 95 mlx5dr_action_create_dest_vport(struct mlx5dr_domain *domain, 96 u16 vport, u8 vhca_id_valid, 97 u16 vhca_id); 98 99 struct mlx5dr_action * 100 mlx5dr_action_create_mult_dest_tbl(struct mlx5dr_domain *dmn, 101 struct mlx5dr_action_dest *dests, 102 u32 num_of_dests, 103 bool ignore_flow_level, 104 u32 flow_source); 105 106 struct mlx5dr_action *mlx5dr_action_create_drop(void); 107 108 struct mlx5dr_action *mlx5dr_action_create_tag(u32 tag_value); 109 110 struct mlx5dr_action * 111 mlx5dr_action_create_flow_sampler(struct mlx5dr_domain *dmn, u32 sampler_id); 112 113 struct mlx5dr_action * 114 mlx5dr_action_create_flow_counter(u32 counter_id); 115 116 struct mlx5dr_action * 117 mlx5dr_action_create_packet_reformat(struct mlx5dr_domain *dmn, 118 enum mlx5dr_action_reformat_type reformat_type, 119 u8 reformat_param_0, 120 u8 reformat_param_1, 121 size_t data_sz, 122 void *data); 123 124 struct mlx5dr_action * 125 mlx5dr_action_create_modify_header(struct mlx5dr_domain *domain, 126 u32 flags, 127 size_t actions_sz, 128 __be64 actions[]); 129 130 struct mlx5dr_action *mlx5dr_action_create_pop_vlan(void); 131 132 struct mlx5dr_action * 133 mlx5dr_action_create_push_vlan(struct mlx5dr_domain *domain, __be32 vlan_hdr); 134 135 struct mlx5dr_action * 136 mlx5dr_action_create_aso(struct mlx5dr_domain *dmn, 137 u32 obj_id, 138 u8 return_reg_id, 139 u8 aso_type, 140 u8 init_color, 141 u8 meter_id); 142 143 struct mlx5dr_action * 144 mlx5dr_action_create_dest_match_range(struct mlx5dr_domain *dmn, 145 u32 field, 146 struct mlx5_flow_table *hit_ft, 147 struct mlx5_flow_table *miss_ft, 148 u32 min, 149 u32 max); 150 151 int mlx5dr_action_destroy(struct mlx5dr_action *action); 152 153 int mlx5dr_definer_get(struct mlx5dr_domain *dmn, u16 format_id, 154 u8 *dw_selectors, u8 *byte_selectors, 155 u8 *match_mask, u32 *definer_id); 156 void mlx5dr_definer_put(struct mlx5dr_domain *dmn, u32 definer_id); 157 158 static inline bool 159 mlx5dr_is_supported(struct mlx5_core_dev *dev) 160 { 161 return MLX5_CAP_GEN(dev, roce) && 162 (MLX5_CAP_ESW_FLOWTABLE_FDB(dev, sw_owner) || 163 (MLX5_CAP_ESW_FLOWTABLE_FDB(dev, sw_owner_v2) && 164 (MLX5_CAP_GEN(dev, steering_format_version) <= 165 MLX5_STEERING_FORMAT_CONNECTX_7))); 166 } 167 168 /* buddy functions & structure */ 169 170 struct mlx5dr_icm_mr; 171 172 struct mlx5dr_icm_buddy_mem { 173 unsigned long **bitmap; 174 unsigned int *num_free; 175 u32 max_order; 176 struct list_head list_node; 177 struct mlx5dr_icm_mr *icm_mr; 178 struct mlx5dr_icm_pool *pool; 179 180 /* Amount of memory in used chunks - HW may be accessing this memory */ 181 u64 used_memory; 182 183 /* Memory optimisation */ 184 struct mlx5dr_ste *ste_arr; 185 struct list_head *miss_list; 186 u8 *hw_ste_arr; 187 }; 188 189 int mlx5dr_buddy_init(struct mlx5dr_icm_buddy_mem *buddy, 190 unsigned int max_order); 191 void mlx5dr_buddy_cleanup(struct mlx5dr_icm_buddy_mem *buddy); 192 int mlx5dr_buddy_alloc_mem(struct mlx5dr_icm_buddy_mem *buddy, 193 unsigned int order, 194 unsigned int *segment); 195 void mlx5dr_buddy_free_mem(struct mlx5dr_icm_buddy_mem *buddy, 196 unsigned int seg, unsigned int order); 197 198 #endif /* _MLX5DR_H_ */ 199