| /* |
| * Copyright (c) 2015, Mellanox Technologies. All rights reserved. |
| * |
| * This software is available to you under a choice of one of two |
| * licenses. You may choose to be licensed under the terms of the GNU |
| * General Public License (GPL) Version 2, available from the file |
| * COPYING in the main directory of this source tree, or the |
| * OpenIB.org BSD license below: |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials |
| * provided with the distribution. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| |
| #ifndef _MLX5_FS_ |
| #define _MLX5_FS_ |
| |
| #include <linux/mlx5/driver.h> |
| #include <linux/mlx5/mlx5_ifc.h> |
| |
| #define MLX5_FS_DEFAULT_FLOW_TAG 0x0 |
| |
| enum { |
| MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO = 1 << 16, |
| MLX5_FLOW_CONTEXT_ACTION_ENCRYPT = 1 << 17, |
| MLX5_FLOW_CONTEXT_ACTION_DECRYPT = 1 << 18, |
| }; |
| |
| enum { |
| MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT = BIT(0), |
| MLX5_FLOW_TABLE_TUNNEL_EN_DECAP = BIT(1), |
| MLX5_FLOW_TABLE_TERMINATION = BIT(2), |
| MLX5_FLOW_TABLE_UNMANAGED = BIT(3), |
| }; |
| |
| #define LEFTOVERS_RULE_NUM 2 |
| static inline void build_leftovers_ft_param(int *priority, |
| int *n_ent, |
| int *n_grp) |
| { |
| *priority = 0; /* Priority of leftovers_prio-0 */ |
| *n_ent = LEFTOVERS_RULE_NUM; |
| *n_grp = LEFTOVERS_RULE_NUM; |
| } |
| |
| enum mlx5_flow_namespace_type { |
| MLX5_FLOW_NAMESPACE_BYPASS, |
| MLX5_FLOW_NAMESPACE_LAG, |
| MLX5_FLOW_NAMESPACE_OFFLOADS, |
| MLX5_FLOW_NAMESPACE_ETHTOOL, |
| MLX5_FLOW_NAMESPACE_KERNEL, |
| MLX5_FLOW_NAMESPACE_LEFTOVERS, |
| MLX5_FLOW_NAMESPACE_ANCHOR, |
| MLX5_FLOW_NAMESPACE_FDB, |
| MLX5_FLOW_NAMESPACE_ESW_EGRESS, |
| MLX5_FLOW_NAMESPACE_ESW_INGRESS, |
| MLX5_FLOW_NAMESPACE_SNIFFER_RX, |
| MLX5_FLOW_NAMESPACE_SNIFFER_TX, |
| MLX5_FLOW_NAMESPACE_EGRESS, |
| MLX5_FLOW_NAMESPACE_RDMA_RX, |
| MLX5_FLOW_NAMESPACE_RDMA_RX_KERNEL, |
| MLX5_FLOW_NAMESPACE_RDMA_TX, |
| }; |
| |
| enum { |
| FDB_BYPASS_PATH, |
| FDB_TC_OFFLOAD, |
| FDB_FT_OFFLOAD, |
| FDB_SLOW_PATH, |
| FDB_PER_VPORT, |
| }; |
| |
| struct mlx5_pkt_reformat; |
| struct mlx5_modify_hdr; |
| struct mlx5_flow_table; |
| struct mlx5_flow_group; |
| struct mlx5_flow_namespace; |
| struct mlx5_flow_handle; |
| |
| enum { |
| FLOW_CONTEXT_HAS_TAG = BIT(0), |
| }; |
| |
| struct mlx5_flow_context { |
| u32 flags; |
| u32 flow_tag; |
| u32 flow_source; |
| }; |
| |
| struct mlx5_flow_spec { |
| u8 match_criteria_enable; |
| u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)]; |
| u32 match_value[MLX5_ST_SZ_DW(fte_match_param)]; |
| struct mlx5_flow_context flow_context; |
| }; |
| |
| enum { |
| MLX5_FLOW_DEST_VPORT_VHCA_ID = BIT(0), |
| MLX5_FLOW_DEST_VPORT_REFORMAT_ID = BIT(1), |
| }; |
| |
| struct mlx5_flow_destination { |
| enum mlx5_flow_destination_type type; |
| union { |
| u32 tir_num; |
| u32 ft_num; |
| struct mlx5_flow_table *ft; |
| u32 counter_id; |
| struct { |
| u16 num; |
| u16 vhca_id; |
| struct mlx5_pkt_reformat *pkt_reformat; |
| u8 flags; |
| } vport; |
| }; |
| }; |
| |
| struct mod_hdr_tbl { |
| struct mutex lock; /* protects hlist */ |
| DECLARE_HASHTABLE(hlist, 8); |
| }; |
| |
| struct mlx5_flow_namespace * |
| mlx5_get_fdb_sub_ns(struct mlx5_core_dev *dev, int n); |
| struct mlx5_flow_namespace * |
| mlx5_get_flow_namespace(struct mlx5_core_dev *dev, |
| enum mlx5_flow_namespace_type type); |
| struct mlx5_flow_namespace * |
| mlx5_get_flow_vport_acl_namespace(struct mlx5_core_dev *dev, |
| enum mlx5_flow_namespace_type type, |
| int vport); |
| |
| struct mlx5_flow_table_attr { |
| int prio; |
| int max_fte; |
| u32 level; |
| u32 flags; |
| struct mlx5_flow_table *next_ft; |
| |
| struct { |
| int max_num_groups; |
| int num_reserved_entries; |
| } autogroup; |
| }; |
| |
| struct mlx5_flow_table * |
| mlx5_create_flow_table(struct mlx5_flow_namespace *ns, |
| struct mlx5_flow_table_attr *ft_attr); |
| |
| struct mlx5_flow_table * |
| mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns, |
| struct mlx5_flow_table_attr *ft_attr); |
| |
| struct mlx5_flow_table * |
| mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns, |
| int prio, |
| int num_flow_table_entries, |
| u32 level, u16 vport); |
| struct mlx5_flow_table *mlx5_create_lag_demux_flow_table( |
| struct mlx5_flow_namespace *ns, |
| int prio, u32 level); |
| int mlx5_destroy_flow_table(struct mlx5_flow_table *ft); |
| |
| /* inbox should be set with the following values: |
| * start_flow_index |
| * end_flow_index |
| * match_criteria_enable |
| * match_criteria |
| */ |
| struct mlx5_flow_group * |
| mlx5_create_flow_group(struct mlx5_flow_table *ft, u32 *in); |
| void mlx5_destroy_flow_group(struct mlx5_flow_group *fg); |
| |
| struct mlx5_fs_vlan { |
| u16 ethtype; |
| u16 vid; |
| u8 prio; |
| }; |
| |
| #define MLX5_FS_VLAN_DEPTH 2 |
| |
| enum { |
| FLOW_ACT_NO_APPEND = BIT(0), |
| FLOW_ACT_IGNORE_FLOW_LEVEL = BIT(1), |
| }; |
| |
| struct mlx5_flow_act { |
| u32 action; |
| struct mlx5_modify_hdr *modify_hdr; |
| struct mlx5_pkt_reformat *pkt_reformat; |
| uintptr_t esp_id; |
| u32 flags; |
| struct mlx5_fs_vlan vlan[MLX5_FS_VLAN_DEPTH]; |
| struct ib_counters *counters; |
| }; |
| |
| #define MLX5_DECLARE_FLOW_ACT(name) \ |
| struct mlx5_flow_act name = { .action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,\ |
| .flags = 0, } |
| |
| /* Single destination per rule. |
| * Group ID is implied by the match criteria. |
| */ |
| struct mlx5_flow_handle * |
| mlx5_add_flow_rules(struct mlx5_flow_table *ft, |
| const struct mlx5_flow_spec *spec, |
| struct mlx5_flow_act *flow_act, |
| struct mlx5_flow_destination *dest, |
| int num_dest); |
| void mlx5_del_flow_rules(struct mlx5_flow_handle *fr); |
| |
| int mlx5_modify_rule_destination(struct mlx5_flow_handle *handler, |
| struct mlx5_flow_destination *new_dest, |
| struct mlx5_flow_destination *old_dest); |
| |
| struct mlx5_fc *mlx5_fc_create(struct mlx5_core_dev *dev, bool aging); |
| void mlx5_fc_destroy(struct mlx5_core_dev *dev, struct mlx5_fc *counter); |
| u64 mlx5_fc_query_lastuse(struct mlx5_fc *counter); |
| void mlx5_fc_query_cached(struct mlx5_fc *counter, |
| u64 *bytes, u64 *packets, u64 *lastuse); |
| int mlx5_fc_query(struct mlx5_core_dev *dev, struct mlx5_fc *counter, |
| u64 *packets, u64 *bytes); |
| u32 mlx5_fc_id(struct mlx5_fc *counter); |
| |
| int mlx5_fs_add_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn); |
| int mlx5_fs_remove_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn); |
| |
| struct mlx5_modify_hdr *mlx5_modify_header_alloc(struct mlx5_core_dev *dev, |
| u8 ns_type, u8 num_actions, |
| void *modify_actions); |
| void mlx5_modify_header_dealloc(struct mlx5_core_dev *dev, |
| struct mlx5_modify_hdr *modify_hdr); |
| |
| struct mlx5_pkt_reformat *mlx5_packet_reformat_alloc(struct mlx5_core_dev *dev, |
| int reformat_type, |
| size_t size, |
| void *reformat_data, |
| enum mlx5_flow_namespace_type ns_type); |
| void mlx5_packet_reformat_dealloc(struct mlx5_core_dev *dev, |
| struct mlx5_pkt_reformat *reformat); |
| |
| #endif |