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Diffstat (limited to '')
| -rw-r--r-- | include/linux/mlx5/fs.h | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/include/linux/mlx5/fs.h b/include/linux/mlx5/fs.h new file mode 100644 index 000000000..3386399fe --- /dev/null +++ b/include/linux/mlx5/fs.h @@ -0,0 +1,200 @@ +/* + * 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 = BIT(0), +}; + +#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, +}; + +struct mlx5_flow_table; +struct mlx5_flow_group; +struct mlx5_flow_namespace; +struct mlx5_flow_handle; + +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_destination { + enum mlx5_flow_destination_type type; + union { + u32 tir_num; + u32 ft_num; + struct mlx5_flow_table *ft; + struct mlx5_fc *counter; + struct { + u16 num; + u16 vhca_id; + bool vhca_id_valid; + } vport; + }; +}; + +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 * +mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns, + int prio, + int num_flow_table_entries, + int max_num_groups, + u32 level, + u32 flags); + +struct mlx5_flow_table_attr { + int prio; + int max_fte; + u32 level; + u32 flags; +}; + +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_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 + +struct mlx5_flow_act { + u32 action; + bool has_flow_tag; + u32 flow_tag; + u32 encap_id; + u32 modify_id; + uintptr_t esp_id; + struct mlx5_fs_vlan vlan[MLX5_FS_VLAN_DEPTH]; + struct ib_counters *counters; +}; + +#define MLX5_DECLARE_FLOW_ACT(name) \ + struct mlx5_flow_act name = {MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,\ + MLX5_FS_DEFAULT_FLOW_TAG, 0, 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, + 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_flow_rule_counter(struct mlx5_flow_handle *handler); +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); + +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); + +#endif |