net/mlx5: HWS, added API and enabled HWS support
Enabling HWS support in the mlx5 driver: - added HWS API header - added HWS files in the mlx5 driver makefile - added kconfig flag that enables HWS compilation Reviewed-by: Erez Shitrit <erezsh@nvidia.com> Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Yevgeny Kliteynik
Saeed Mahameed
parent
2ca62599aa
commit
510f9f61a1
@ -130,6 +130,9 @@ Enabling the driver and kconfig options
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| Build support for software-managed steering in the NIC.
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| Build support for software-managed steering in the NIC.
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**CONFIG_MLX5_HW_STEERING=(y/n)**
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| Build support for hardware-managed steering in the NIC.
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**CONFIG_MLX5_TC_CT=(y/n)**
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**CONFIG_MLX5_TC_CT=(y/n)**
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@ -172,6 +172,16 @@ config MLX5_SW_STEERING
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help
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help
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Build support for software-managed steering in the NIC.
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Build support for software-managed steering in the NIC.
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config MLX5_HW_STEERING
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bool "Mellanox Technologies hardware-managed steering"
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depends on MLX5_CORE_EN && MLX5_ESWITCH
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default y
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help
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Build support for Hardware-Managed Flow Steering (HMFS) in the NIC.
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HMFS is a new approach to managing steering rules where STEs are
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written to ICM by HW (as opposed to SW in software-managed steering),
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which allows higher rate of rule insertion.
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config MLX5_SF
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config MLX5_SF
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bool "Mellanox Technologies subfunction device support using auxiliary device"
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bool "Mellanox Technologies subfunction device support using auxiliary device"
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depends on MLX5_CORE && MLX5_CORE_EN
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depends on MLX5_CORE && MLX5_CORE_EN
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@ -119,6 +119,27 @@ mlx5_core-$(CONFIG_MLX5_SW_STEERING) += steering/dr_domain.o steering/dr_table.o
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steering/dr_action.o steering/fs_dr.o \
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steering/dr_action.o steering/fs_dr.o \
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steering/dr_definer.o steering/dr_ptrn.o \
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steering/dr_definer.o steering/dr_ptrn.o \
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steering/dr_arg.o steering/dr_dbg.o lib/smfs.o
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steering/dr_arg.o steering/dr_dbg.o lib/smfs.o
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#
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# HW Steering
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#
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mlx5_core-$(CONFIG_MLX5_HW_STEERING) += steering/hws/mlx5hws_cmd.o \
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steering/hws/mlx5hws_context.o \
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steering/hws/mlx5hws_pat_arg.o \
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steering/hws/mlx5hws_buddy.o \
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steering/hws/mlx5hws_pool.o \
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steering/hws/mlx5hws_table.o \
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steering/hws/mlx5hws_action.o \
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steering/hws/mlx5hws_rule.o \
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steering/hws/mlx5hws_matcher.o \
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steering/hws/mlx5hws_send.o \
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steering/hws/mlx5hws_definer.o \
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steering/hws/mlx5hws_bwc.o \
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steering/hws/mlx5hws_debug.o \
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steering/hws/mlx5hws_vport.o \
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steering/hws/mlx5hws_bwc_complex.o
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#
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#
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# SF device
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# SF device
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#
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#
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@ -0,0 +1,2 @@
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# SPDX-License-Identifier: GPL-2.0-only
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subdir-ccflags-y += -I$(src)/..
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954
drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws.h
Normal file
954
drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws.h
Normal file
@ -0,0 +1,954 @@
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/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
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/* Copyright (c) 2024 NVIDIA Corporation & Affiliates */
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#ifndef MLX5HWS_H_
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#define MLX5HWS_H_
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struct mlx5hws_context;
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struct mlx5hws_table;
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struct mlx5hws_matcher;
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struct mlx5hws_rule;
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enum mlx5hws_table_type {
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MLX5HWS_TABLE_TYPE_FDB,
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MLX5HWS_TABLE_TYPE_MAX,
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};
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enum mlx5hws_matcher_resource_mode {
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/* Allocate resources based on number of rules with minimal failure probability */
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MLX5HWS_MATCHER_RESOURCE_MODE_RULE,
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/* Allocate fixed size hash table based on given column and rows */
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MLX5HWS_MATCHER_RESOURCE_MODE_HTABLE,
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};
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enum mlx5hws_action_type {
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MLX5HWS_ACTION_TYP_LAST,
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MLX5HWS_ACTION_TYP_REFORMAT_TNL_L2_TO_L2,
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MLX5HWS_ACTION_TYP_REFORMAT_L2_TO_TNL_L2,
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MLX5HWS_ACTION_TYP_REFORMAT_TNL_L3_TO_L2,
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MLX5HWS_ACTION_TYP_REFORMAT_L2_TO_TNL_L3,
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MLX5HWS_ACTION_TYP_DROP,
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MLX5HWS_ACTION_TYP_MISS,
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MLX5HWS_ACTION_TYP_TBL,
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MLX5HWS_ACTION_TYP_CTR,
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MLX5HWS_ACTION_TYP_TAG,
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MLX5HWS_ACTION_TYP_MODIFY_HDR,
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MLX5HWS_ACTION_TYP_VPORT,
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MLX5HWS_ACTION_TYP_POP_VLAN,
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MLX5HWS_ACTION_TYP_PUSH_VLAN,
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MLX5HWS_ACTION_TYP_ASO_METER,
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MLX5HWS_ACTION_TYP_INSERT_HEADER,
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MLX5HWS_ACTION_TYP_REMOVE_HEADER,
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MLX5HWS_ACTION_TYP_RANGE,
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MLX5HWS_ACTION_TYP_SAMPLER,
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MLX5HWS_ACTION_TYP_DEST_ARRAY,
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MLX5HWS_ACTION_TYP_MAX,
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};
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enum mlx5hws_action_flags {
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MLX5HWS_ACTION_FLAG_HWS_FDB = 1 << 0,
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/* Shared action can be used over a few threads, since the
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* data is written only once at the creation of the action.
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*/
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MLX5HWS_ACTION_FLAG_SHARED = 1 << 1,
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};
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enum mlx5hws_action_aso_meter_color {
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MLX5HWS_ACTION_ASO_METER_COLOR_RED = 0x0,
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MLX5HWS_ACTION_ASO_METER_COLOR_YELLOW = 0x1,
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MLX5HWS_ACTION_ASO_METER_COLOR_GREEN = 0x2,
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MLX5HWS_ACTION_ASO_METER_COLOR_UNDEFINED = 0x3,
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};
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enum mlx5hws_send_queue_actions {
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/* Start executing all pending queued rules */
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MLX5HWS_SEND_QUEUE_ACTION_DRAIN_ASYNC = 1 << 0,
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/* Start executing all pending queued rules wait till completion */
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MLX5HWS_SEND_QUEUE_ACTION_DRAIN_SYNC = 1 << 1,
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};
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struct mlx5hws_context_attr {
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u16 queues;
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u16 queue_size;
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bool bwc; /* add support for backward compatible API*/
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};
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struct mlx5hws_table_attr {
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enum mlx5hws_table_type type;
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u32 level;
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};
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enum mlx5hws_matcher_flow_src {
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MLX5HWS_MATCHER_FLOW_SRC_ANY = 0x0,
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MLX5HWS_MATCHER_FLOW_SRC_WIRE = 0x1,
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MLX5HWS_MATCHER_FLOW_SRC_VPORT = 0x2,
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};
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enum mlx5hws_matcher_insert_mode {
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MLX5HWS_MATCHER_INSERT_BY_HASH = 0x0,
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MLX5HWS_MATCHER_INSERT_BY_INDEX = 0x1,
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};
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enum mlx5hws_matcher_distribute_mode {
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MLX5HWS_MATCHER_DISTRIBUTE_BY_HASH = 0x0,
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MLX5HWS_MATCHER_DISTRIBUTE_BY_LINEAR = 0x1,
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};
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struct mlx5hws_matcher_attr {
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/* Processing priority inside table */
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u32 priority;
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/* Provide all rules with unique rule_idx in num_log range to reduce locking */
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bool optimize_using_rule_idx;
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/* Resource mode and corresponding size */
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enum mlx5hws_matcher_resource_mode mode;
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/* Optimize insertion in case packet origin is the same for all rules */
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enum mlx5hws_matcher_flow_src optimize_flow_src;
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/* Define the insertion and distribution modes for this matcher */
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enum mlx5hws_matcher_insert_mode insert_mode;
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enum mlx5hws_matcher_distribute_mode distribute_mode;
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/* Define whether the created matcher supports resizing into a bigger matcher */
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bool resizable;
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union {
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struct {
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u8 sz_row_log;
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u8 sz_col_log;
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} table;
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struct {
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u8 num_log;
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} rule;
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};
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/* Optional AT attach configuration - Max number of additional AT */
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u8 max_num_of_at_attach;
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};
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struct mlx5hws_rule_attr {
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void *user_data;
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/* Valid if matcher optimize_using_rule_idx is set or
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* if matcher is configured to insert rules by index.
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*/
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u32 rule_idx;
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u32 flow_source;
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u16 queue_id;
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u32 burst:1;
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};
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/* In actions that take offset, the offset is unique, pointing to a single
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* resource and the user should not reuse the same index because data changing
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* is not atomic.
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*/
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struct mlx5hws_rule_action {
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struct mlx5hws_action *action;
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union {
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struct {
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u32 value;
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} tag;
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struct {
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u32 offset;
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} counter;
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struct {
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u32 offset;
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u8 *data;
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} modify_header;
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struct {
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u32 offset;
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u8 hdr_idx;
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u8 *data;
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} reformat;
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struct {
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__be32 vlan_hdr;
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} push_vlan;
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struct {
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u32 offset;
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enum mlx5hws_action_aso_meter_color init_color;
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} aso_meter;
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};
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};
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struct mlx5hws_action_reformat_header {
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size_t sz;
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void *data;
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};
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struct mlx5hws_action_insert_header {
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struct mlx5hws_action_reformat_header hdr;
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/* PRM start anchor to which header will be inserted */
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u8 anchor;
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/* Header insertion offset in bytes, from the start
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* anchor to the location where new header will be inserted.
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*/
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u8 offset;
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/* Indicates this header insertion adds encapsulation header to the packet,
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* requiring device to update offloaded fields (for example IPv4 total length).
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*/
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bool encap;
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};
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struct mlx5hws_action_remove_header_attr {
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/* PRM start anchor from which header will be removed */
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u8 anchor;
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/* Header remove offset in bytes, from the start
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* anchor to the location where remove header starts.
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*/
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u8 offset;
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/* Indicates the removed header size in bytes */
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size_t size;
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};
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struct mlx5hws_action_mh_pattern {
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/* Byte size of modify actions provided by "data" */
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size_t sz;
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/* PRM format modify actions pattern */
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__be64 *data;
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};
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struct mlx5hws_action_dest_attr {
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/* Required destination action to forward the packet */
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struct mlx5hws_action *dest;
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/* Optional reformat action */
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struct mlx5hws_action *reformat;
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};
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/* Check whether HWS is supported
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*
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* @param[in] mdev
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* The device to check.
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* @return true if supported, false otherwise.
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*/
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static inline bool mlx5hws_is_supported(struct mlx5_core_dev *mdev)
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{
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u8 ignore_flow_level_rtc_valid;
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u8 wqe_based_flow_table_update;
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wqe_based_flow_table_update =
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MLX5_CAP_GEN(mdev, wqe_based_flow_table_update_cap);
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ignore_flow_level_rtc_valid =
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MLX5_CAP_FLOWTABLE(mdev,
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flow_table_properties_nic_receive.ignore_flow_level_rtc_valid);
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return wqe_based_flow_table_update && ignore_flow_level_rtc_valid;
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}
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/* Open a context used for direct rule insertion using hardware steering.
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* Each context can contain multiple tables of different types.
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*
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* @param[in] mdev
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* The device to be used for HWS.
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* @param[in] attr
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* Attributes used for context open.
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* @return pointer to mlx5hws_context on success NULL otherwise.
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*/
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struct mlx5hws_context *
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mlx5hws_context_open(struct mlx5_core_dev *mdev,
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struct mlx5hws_context_attr *attr);
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/* Close a context used for direct hardware steering.
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*
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* @param[in] ctx
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* mlx5hws context to close.
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* @return zero on success non zero otherwise.
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*/
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int mlx5hws_context_close(struct mlx5hws_context *ctx);
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/* Set a peer context, each context can have multiple contexts as peers.
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*
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* @param[in] ctx
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* The context in which the peer_ctx will be peered to it.
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* @param[in] peer_ctx
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* The peer context.
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* @param[in] peer_vhca_id
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* The peer context vhca id.
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*/
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void mlx5hws_context_set_peer(struct mlx5hws_context *ctx,
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struct mlx5hws_context *peer_ctx,
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u16 peer_vhca_id);
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/* Create a new direct rule table. Each table can contain multiple matchers.
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*
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* @param[in] ctx
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* The context in which the new table will be opened.
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* @param[in] attr
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* Attributes used for table creation.
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* @return pointer to mlx5hws_table on success NULL otherwise.
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*/
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struct mlx5hws_table *
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mlx5hws_table_create(struct mlx5hws_context *ctx,
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struct mlx5hws_table_attr *attr);
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/* Destroy direct rule table.
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*
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* @param[in] tbl
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* Table to destroy.
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* @return zero on success non zero otherwise.
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*/
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int mlx5hws_table_destroy(struct mlx5hws_table *tbl);
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/* Get ID of the flow table.
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*
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* @param[in] tbl
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* Table to get ID of.
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* @return ID of the table.
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*/
|
||||||
|
u32 mlx5hws_table_get_id(struct mlx5hws_table *tbl);
|
||||||
|
|
||||||
|
/* Set default miss table for mlx5hws_table by using another mlx5hws_table
|
||||||
|
* Traffic which all table matchers miss will be forwarded to miss table.
|
||||||
|
*
|
||||||
|
* @param[in] tbl
|
||||||
|
* Source table
|
||||||
|
* @param[in] miss_tbl
|
||||||
|
* Target (miss) table, or NULL to remove current miss table
|
||||||
|
* @return zero on success non zero otherwise.
|
||||||
|
*/
|
||||||
|
int mlx5hws_table_set_default_miss(struct mlx5hws_table *tbl,
|
||||||
|
struct mlx5hws_table *miss_tbl);
|
||||||
|
|
||||||
|
/* Create new match template based on items mask, the match template
|
||||||
|
* will be used for matcher creation.
|
||||||
|
*
|
||||||
|
* @param[in] ctx
|
||||||
|
* The context in which the new template will be created.
|
||||||
|
* @param[in] match_param
|
||||||
|
* Describe the mask based on PRM match parameters
|
||||||
|
* @param[in] match_param_sz
|
||||||
|
* Size of match param buffer
|
||||||
|
* @param[in] match_criteria_enable
|
||||||
|
* Bitmap for each sub-set in match_criteria buffer
|
||||||
|
* @return pointer to mlx5hws_match_template on success NULL otherwise
|
||||||
|
*/
|
||||||
|
struct mlx5hws_match_template *
|
||||||
|
mlx5hws_match_template_create(struct mlx5hws_context *ctx,
|
||||||
|
u32 *match_param,
|
||||||
|
u32 match_param_sz,
|
||||||
|
u8 match_criteria_enable);
|
||||||
|
|
||||||
|
/* Destroy match template.
|
||||||
|
*
|
||||||
|
* @param[in] mt
|
||||||
|
* Match template to destroy.
|
||||||
|
* @return zero on success non zero otherwise.
|
||||||
|
*/
|
||||||
|
int mlx5hws_match_template_destroy(struct mlx5hws_match_template *mt);
|
||||||
|
|
||||||
|
/* Create new action template based on action_type array, the action template
|
||||||
|
* will be used for matcher creation.
|
||||||
|
*
|
||||||
|
* @param[in] action_type
|
||||||
|
* An array of actions based on the order of actions which will be provided
|
||||||
|
* with rule_actions to mlx5hws_rule_create. The last action is marked
|
||||||
|
* using MLX5HWS_ACTION_TYP_LAST.
|
||||||
|
* @return pointer to mlx5hws_action_template on success NULL otherwise
|
||||||
|
*/
|
||||||
|
struct mlx5hws_action_template *
|
||||||
|
mlx5hws_action_template_create(enum mlx5hws_action_type action_type[]);
|
||||||
|
|
||||||
|
/* Destroy action template.
|
||||||
|
*
|
||||||
|
* @param[in] at
|
||||||
|
* Action template to destroy.
|
||||||
|
* @return zero on success non zero otherwise.
|
||||||
|
*/
|
||||||
|
int mlx5hws_action_template_destroy(struct mlx5hws_action_template *at);
|
||||||
|
|
||||||
|
/* Create a new direct rule matcher. Each matcher can contain multiple rules.
|
||||||
|
* Matchers on the table will be processed by priority. Matching fields and
|
||||||
|
* mask are described by the match template. In some cases multiple match
|
||||||
|
* templates can be used on the same matcher.
|
||||||
|
*
|
||||||
|
* @param[in] table
|
||||||
|
* The table in which the new matcher will be opened.
|
||||||
|
* @param[in] mt
|
||||||
|
* Array of match templates to be used on matcher.
|
||||||
|
* @param[in] num_of_mt
|
||||||
|
* Number of match templates in mt array.
|
||||||
|
* @param[in] at
|
||||||
|
* Array of action templates to be used on matcher.
|
||||||
|
* @param[in] num_of_at
|
||||||
|
* Number of action templates in mt array.
|
||||||
|
* @param[in] attr
|
||||||
|
* Attributes used for matcher creation.
|
||||||
|
* @return pointer to mlx5hws_matcher on success NULL otherwise.
|
||||||
|
*/
|
||||||
|
struct mlx5hws_matcher *
|
||||||
|
mlx5hws_matcher_create(struct mlx5hws_table *table,
|
||||||
|
struct mlx5hws_match_template *mt[],
|
||||||
|
u8 num_of_mt,
|
||||||
|
struct mlx5hws_action_template *at[],
|
||||||
|
u8 num_of_at,
|
||||||
|
struct mlx5hws_matcher_attr *attr);
|
||||||
|
|
||||||
|
/* Destroy direct rule matcher.
|
||||||
|
*
|
||||||
|
* @param[in] matcher
|
||||||
|
* Matcher to destroy.
|
||||||
|
* @return zero on success non zero otherwise.
|
||||||
|
*/
|
||||||
|
int mlx5hws_matcher_destroy(struct mlx5hws_matcher *matcher);
|
||||||
|
|
||||||
|
/* Attach new action template to direct rule matcher.
|
||||||
|
*
|
||||||
|
* @param[in] matcher
|
||||||
|
* Matcher to attach at to.
|
||||||
|
* @param[in] at
|
||||||
|
* Action template to be attached to the matcher.
|
||||||
|
* @return zero on success non zero otherwise.
|
||||||
|
*/
|
||||||
|
int mlx5hws_matcher_attach_at(struct mlx5hws_matcher *matcher,
|
||||||
|
struct mlx5hws_action_template *at);
|
||||||
|
|
||||||
|
/* Link two matchers and enable moving rules from src matcher to dst matcher.
|
||||||
|
* Both matchers must be in the same table type, must be created with 'resizable'
|
||||||
|
* property, and should have the same characteristics (e.g. same mt, same at).
|
||||||
|
*
|
||||||
|
* It is the user's responsibility to make sure that the dst matcher
|
||||||
|
* was allocated with the appropriate size.
|
||||||
|
*
|
||||||
|
* Once the function is completed, the user is:
|
||||||
|
* - allowed to move rules from src into dst matcher
|
||||||
|
* - no longer allowed to insert rules to the src matcher
|
||||||
|
*
|
||||||
|
* The user is always allowed to insert rules to the dst matcher and
|
||||||
|
* to delete rules from any matcher.
|
||||||
|
*
|
||||||
|
* @param[in] src_matcher
|
||||||
|
* source matcher for moving rules from
|
||||||
|
* @param[in] dst_matcher
|
||||||
|
* destination matcher for moving rules to
|
||||||
|
* @return zero on successful move, non zero otherwise.
|
||||||
|
*/
|
||||||
|
int mlx5hws_matcher_resize_set_target(struct mlx5hws_matcher *src_matcher,
|
||||||
|
struct mlx5hws_matcher *dst_matcher);
|
||||||
|
|
||||||
|
/* Enqueue moving rule operation: moving rule from src matcher to a dst matcher
|
||||||
|
*
|
||||||
|
* @param[in] src_matcher
|
||||||
|
* matcher that the rule belongs to
|
||||||
|
* @param[in] rule
|
||||||
|
* the rule to move
|
||||||
|
* @param[in] attr
|
||||||
|
* rule attributes
|
||||||
|
* @return zero on success, non zero otherwise.
|
||||||
|
*/
|
||||||
|
int mlx5hws_matcher_resize_rule_move(struct mlx5hws_matcher *src_matcher,
|
||||||
|
struct mlx5hws_rule *rule,
|
||||||
|
struct mlx5hws_rule_attr *attr);
|
||||||
|
|
||||||
|
/* Enqueue create rule operation.
|
||||||
|
*
|
||||||
|
* @param[in] matcher
|
||||||
|
* The matcher in which the new rule will be created.
|
||||||
|
* @param[in] mt_idx
|
||||||
|
* Match template index to create the match with.
|
||||||
|
* @param[in] match_param
|
||||||
|
* The match parameter PRM buffer used for the value matching.
|
||||||
|
* @param[in] rule_actions
|
||||||
|
* Rule action to be executed on match.
|
||||||
|
* @param[in] at_idx
|
||||||
|
* Action template index to apply the actions with.
|
||||||
|
* @param[in] num_of_actions
|
||||||
|
* Number of rule actions.
|
||||||
|
* @param[in] attr
|
||||||
|
* Rule creation attributes.
|
||||||
|
* @param[in, out] rule_handle
|
||||||
|
* A valid rule handle. The handle doesn't require any initialization.
|
||||||
|
* @return zero on successful enqueue non zero otherwise.
|
||||||
|
*/
|
||||||
|
int mlx5hws_rule_create(struct mlx5hws_matcher *matcher,
|
||||||
|
u8 mt_idx,
|
||||||
|
u32 *match_param,
|
||||||
|
u8 at_idx,
|
||||||
|
struct mlx5hws_rule_action rule_actions[],
|
||||||
|
struct mlx5hws_rule_attr *attr,
|
||||||
|
struct mlx5hws_rule *rule_handle);
|
||||||
|
|
||||||
|
/* Enqueue destroy rule operation.
|
||||||
|
*
|
||||||
|
* @param[in] rule
|
||||||
|
* The rule destruction to enqueue.
|
||||||
|
* @param[in] attr
|
||||||
|
* Rule destruction attributes.
|
||||||
|
* @return zero on successful enqueue non zero otherwise.
|
||||||
|
*/
|
||||||
|
int mlx5hws_rule_destroy(struct mlx5hws_rule *rule,
|
||||||
|
struct mlx5hws_rule_attr *attr);
|
||||||
|
|
||||||
|
/* Enqueue update actions on an existing rule.
|
||||||
|
*
|
||||||
|
* @param[in, out] rule_handle
|
||||||
|
* A valid rule handle to update.
|
||||||
|
* @param[in] at_idx
|
||||||
|
* Action template index to update the actions with.
|
||||||
|
* @param[in] rule_actions
|
||||||
|
* Rule action to be executed on match.
|
||||||
|
* @param[in] attr
|
||||||
|
* Rule update attributes.
|
||||||
|
* @return zero on successful enqueue non zero otherwise.
|
||||||
|
*/
|
||||||
|
int mlx5hws_rule_action_update(struct mlx5hws_rule *rule,
|
||||||
|
u8 at_idx,
|
||||||
|
struct mlx5hws_rule_action rule_actions[],
|
||||||
|
struct mlx5hws_rule_attr *attr);
|
||||||
|
|
||||||
|
/* Get action type.
|
||||||
|
*
|
||||||
|
* @param[in] action
|
||||||
|
* The action to get the type of.
|
||||||
|
* @return action type.
|
||||||
|
*/
|
||||||
|
enum mlx5hws_action_type
|
||||||
|
mlx5hws_action_get_type(struct mlx5hws_action *action);
|
||||||
|
|
||||||
|
/* Create direct rule drop action.
|
||||||
|
*
|
||||||
|
* @param[in] ctx
|
||||||
|
* The context in which the new action will be created.
|
||||||
|
* @param[in] flags
|
||||||
|
* Action creation flags. (enum mlx5hws_action_flags)
|
||||||
|
* @return pointer to mlx5hws_action on success NULL otherwise.
|
||||||
|
*/
|
||||||
|
struct mlx5hws_action *
|
||||||
|
mlx5hws_action_create_dest_drop(struct mlx5hws_context *ctx,
|
||||||
|
u32 flags);
|
||||||
|
|
||||||
|
/* Create direct rule default miss action.
|
||||||
|
* Defaults are RX: Drop TX: Wire.
|
||||||
|
*
|
||||||
|
* @param[in] ctx
|
||||||
|
* The context in which the new action will be created.
|
||||||
|
* @param[in] flags
|
||||||
|
* Action creation flags. (enum mlx5hws_action_flags)
|
||||||
|
* @return pointer to mlx5hws_action on success NULL otherwise.
|
||||||
|
*/
|
||||||
|
struct mlx5hws_action *
|
||||||
|
mlx5hws_action_create_default_miss(struct mlx5hws_context *ctx,
|
||||||
|
u32 flags);
|
||||||
|
|
||||||
|
/* Create direct rule goto table action.
|
||||||
|
*
|
||||||
|
* @param[in] ctx
|
||||||
|
* The context in which the new action will be created.
|
||||||
|
* @param[in] tbl
|
||||||
|
* Destination table.
|
||||||
|
* @param[in] flags
|
||||||
|
* Action creation flags. (enum mlx5hws_action_flags)
|
||||||
|
* @return pointer to mlx5hws_action on success NULL otherwise.
|
||||||
|
*/
|
||||||
|
struct mlx5hws_action *
|
||||||
|
mlx5hws_action_create_dest_table(struct mlx5hws_context *ctx,
|
||||||
|
struct mlx5hws_table *tbl,
|
||||||
|
u32 flags);
|
||||||
|
|
||||||
|
/* Create direct rule goto table number action.
|
||||||
|
*
|
||||||
|
* @param[in] ctx
|
||||||
|
* The context in which the new action will be created.
|
||||||
|
* @param[in] tbl_num
|
||||||
|
* Destination table number.
|
||||||
|
* @param[in] flags
|
||||||
|
* Action creation flags. (enum mlx5hws_action_flags)
|
||||||
|
* @return pointer to mlx5hws_action on success NULL otherwise.
|
||||||
|
*/
|
||||||
|
struct mlx5hws_action *
|
||||||
|
mlx5hws_action_create_dest_table_num(struct mlx5hws_context *ctx,
|
||||||
|
u32 table_num, u32 flags);
|
||||||
|
|
||||||
|
/* Create direct rule range match action.
|
||||||
|
*
|
||||||
|
* @param[in] ctx
|
||||||
|
* The context in which the new action will be created.
|
||||||
|
* @param[in] field
|
||||||
|
* Field to comapare the value.
|
||||||
|
* @param[in] hit_ft
|
||||||
|
* Flow table to go to on hit.
|
||||||
|
* @param[in] miss_ft
|
||||||
|
* Flow table to go to on miss.
|
||||||
|
* @param[in] min
|
||||||
|
* Minimal value of the field to be considered as hit.
|
||||||
|
* @param[in] max
|
||||||
|
* Maximal value of the field to be considered as hit.
|
||||||
|
* @param[in] flags
|
||||||
|
* Action creation flags. (enum mlx5hws_action_flags)
|
||||||
|
* @return pointer to mlx5hws_action on success NULL otherwise.
|
||||||
|
*/
|
||||||
|
struct mlx5hws_action *
|
||||||
|
mlx5hws_action_create_dest_match_range(struct mlx5hws_context *ctx,
|
||||||
|
u32 field,
|
||||||
|
struct mlx5_flow_table *hit_ft,
|
||||||
|
struct mlx5_flow_table *miss_ft,
|
||||||
|
u32 min, u32 max, u32 flags);
|
||||||
|
|
||||||
|
/* Create direct rule flow sampler action.
|
||||||
|
*
|
||||||
|
* @param[in] ctx
|
||||||
|
* The context in which the new action will be created.
|
||||||
|
* @param[in] sampler_id
|
||||||
|
* Flow sampler object ID.
|
||||||
|
* @param[in] flags
|
||||||
|
* Action creation flags. (enum mlx5hws_action_flags)
|
||||||
|
* @return pointer to mlx5hws_action on success NULL otherwise.
|
||||||
|
*/
|
||||||
|
struct mlx5hws_action *
|
||||||
|
mlx5hws_action_create_flow_sampler(struct mlx5hws_context *ctx,
|
||||||
|
u32 sampler_id, u32 flags);
|
||||||
|
|
||||||
|
/* Create direct rule goto vport action.
|
||||||
|
*
|
||||||
|
* @param[in] ctx
|
||||||
|
* The context in which the new action will be created.
|
||||||
|
* @param[in] vport_num
|
||||||
|
* Destination vport number.
|
||||||
|
* @param[in] vhca_id_valid
|
||||||
|
* Tells if the vhca_id parameter is valid.
|
||||||
|
* @param[in] vhca_id
|
||||||
|
* VHCA ID of the destination vport.
|
||||||
|
* @param[in] flags
|
||||||
|
* Action creation flags. (enum mlx5hws_action_flags)
|
||||||
|
* @return pointer to mlx5hws_action on success NULL otherwise.
|
||||||
|
*/
|
||||||
|
struct mlx5hws_action *
|
||||||
|
mlx5hws_action_create_dest_vport(struct mlx5hws_context *ctx,
|
||||||
|
u16 vport_num,
|
||||||
|
bool vhca_id_valid,
|
||||||
|
u16 vhca_id,
|
||||||
|
u32 flags);
|
||||||
|
|
||||||
|
/* Create direct rule TAG action.
|
||||||
|
*
|
||||||
|
* @param[in] ctx
|
||||||
|
* The context in which the new action will be created.
|
||||||
|
* @param[in] flags
|
||||||
|
* Action creation flags. (enum mlx5hws_action_flags)
|
||||||
|
* @return pointer to mlx5hws_action on success NULL otherwise.
|
||||||
|
*/
|
||||||
|
struct mlx5hws_action *
|
||||||
|
mlx5hws_action_create_tag(struct mlx5hws_context *ctx,
|
||||||
|
u32 flags);
|
||||||
|
|
||||||
|
/* Create direct rule counter action.
|
||||||
|
*
|
||||||
|
* @param[in] ctx
|
||||||
|
* The context in which the new action will be created.
|
||||||
|
* @param[in] obj_id
|
||||||
|
* Direct rule counter object ID.
|
||||||
|
* @param[in] flags
|
||||||
|
* Action creation flags. (enum mlx5hws_action_flags)
|
||||||
|
* @return pointer to mlx5hws_action on success NULL otherwise.
|
||||||
|
*/
|
||||||
|
struct mlx5hws_action *
|
||||||
|
mlx5hws_action_create_counter(struct mlx5hws_context *ctx,
|
||||||
|
u32 obj_id,
|
||||||
|
u32 flags);
|
||||||
|
|
||||||
|
/* Create direct rule reformat action.
|
||||||
|
*
|
||||||
|
* @param[in] ctx
|
||||||
|
* The context in which the new action will be created.
|
||||||
|
* @param[in] reformat_type
|
||||||
|
* Type of reformat prefixed with MLX5HWS_ACTION_TYP_REFORMAT.
|
||||||
|
* @param[in] num_of_hdrs
|
||||||
|
* Number of provided headers in "hdrs" array.
|
||||||
|
* @param[in] hdrs
|
||||||
|
* Headers array containing header information.
|
||||||
|
* @param[in] log_bulk_size
|
||||||
|
* Number of unique values used with this reformat.
|
||||||
|
* @param[in] flags
|
||||||
|
* Action creation flags. (enum mlx5hws_action_flags)
|
||||||
|
* @return pointer to mlx5hws_action on success NULL otherwise.
|
||||||
|
*/
|
||||||
|
struct mlx5hws_action *
|
||||||
|
mlx5hws_action_create_reformat(struct mlx5hws_context *ctx,
|
||||||
|
enum mlx5hws_action_type reformat_type,
|
||||||
|
u8 num_of_hdrs,
|
||||||
|
struct mlx5hws_action_reformat_header *hdrs,
|
||||||
|
u32 log_bulk_size,
|
||||||
|
u32 flags);
|
||||||
|
|
||||||
|
/* Create direct rule modify header action.
|
||||||
|
*
|
||||||
|
* @param[in] ctx
|
||||||
|
* The context in which the new action will be created.
|
||||||
|
* @param[in] num_of_patterns
|
||||||
|
* Number of provided patterns in "patterns" array.
|
||||||
|
* @param[in] patterns
|
||||||
|
* Patterns array containing pattern information.
|
||||||
|
* @param[in] log_bulk_size
|
||||||
|
* Number of unique values used with this pattern.
|
||||||
|
* @param[in] flags
|
||||||
|
* Action creation flags. (enum mlx5hws_action_flags)
|
||||||
|
* @return pointer to mlx5hws_action on success NULL otherwise.
|
||||||
|
*/
|
||||||
|
struct mlx5hws_action *
|
||||||
|
mlx5hws_action_create_modify_header(struct mlx5hws_context *ctx,
|
||||||
|
u8 num_of_patterns,
|
||||||
|
struct mlx5hws_action_mh_pattern *patterns,
|
||||||
|
u32 log_bulk_size,
|
||||||
|
u32 flags);
|
||||||
|
|
||||||
|
/* Create direct rule ASO flow meter action.
|
||||||
|
*
|
||||||
|
* @param[in] ctx
|
||||||
|
* The context in which the new action will be created.
|
||||||
|
* @param[in] obj_id
|
||||||
|
* ASO object ID.
|
||||||
|
* @param[in] return_reg_c
|
||||||
|
* Copy the ASO object value into this reg_c, after a packet hits a rule with this ASO object.
|
||||||
|
* @param[in] flags
|
||||||
|
* Action creation flags. (enum mlx5hws_action_flags)
|
||||||
|
* @return pointer to mlx5hws_action on success NULL otherwise.
|
||||||
|
*/
|
||||||
|
struct mlx5hws_action *
|
||||||
|
mlx5hws_action_create_aso_meter(struct mlx5hws_context *ctx,
|
||||||
|
u32 obj_id,
|
||||||
|
u8 return_reg_c,
|
||||||
|
u32 flags);
|
||||||
|
|
||||||
|
/* Create direct rule pop vlan action.
|
||||||
|
* @param[in] ctx
|
||||||
|
* The context in which the new action will be created.
|
||||||
|
* @param[in] flags
|
||||||
|
* Action creation flags. (enum mlx5hws_action_flags)
|
||||||
|
* @return pointer to mlx5hws_action on success NULL otherwise.
|
||||||
|
*/
|
||||||
|
struct mlx5hws_action *
|
||||||
|
mlx5hws_action_create_pop_vlan(struct mlx5hws_context *ctx, u32 flags);
|
||||||
|
|
||||||
|
/* Create direct rule push vlan action.
|
||||||
|
* @param[in] ctx
|
||||||
|
* The context in which the new action will be created.
|
||||||
|
* @param[in] flags
|
||||||
|
* Action creation flags. (enum mlx5hws_action_flags)
|
||||||
|
* @return pointer to mlx5hws_action on success NULL otherwise.
|
||||||
|
*/
|
||||||
|
struct mlx5hws_action *
|
||||||
|
mlx5hws_action_create_push_vlan(struct mlx5hws_context *ctx, u32 flags);
|
||||||
|
|
||||||
|
/* Create a dest array action, this action can duplicate packets and forward to
|
||||||
|
* multiple destinations in the destination list.
|
||||||
|
* @param[in] ctx
|
||||||
|
* The context in which the new action will be created.
|
||||||
|
* @param[in] num_dest
|
||||||
|
* The number of dests attributes.
|
||||||
|
* @param[in] dests
|
||||||
|
* The destination array. Each contains a destination action and can have
|
||||||
|
* additional actions.
|
||||||
|
* @param[in] ignore_flow_level
|
||||||
|
* Boolean that says whether to turn on 'ignore_flow_level' for this dest.
|
||||||
|
* @param[in] flow_source
|
||||||
|
* Source port of the traffic for this actions.
|
||||||
|
* @param[in] flags
|
||||||
|
* Action creation flags. (enum mlx5hws_action_flags)
|
||||||
|
* @return pointer to mlx5hws_action on success NULL otherwise.
|
||||||
|
*/
|
||||||
|
struct mlx5hws_action *
|
||||||
|
mlx5hws_action_create_dest_array(struct mlx5hws_context *ctx,
|
||||||
|
size_t num_dest,
|
||||||
|
struct mlx5hws_action_dest_attr *dests,
|
||||||
|
bool ignore_flow_level,
|
||||||
|
u32 flow_source,
|
||||||
|
u32 flags);
|
||||||
|
|
||||||
|
/* Create insert header action.
|
||||||
|
*
|
||||||
|
* @param[in] ctx
|
||||||
|
* The context in which the new action will be created.
|
||||||
|
* @param[in] num_of_hdrs
|
||||||
|
* Number of provided headers in "hdrs" array.
|
||||||
|
* @param[in] hdrs
|
||||||
|
* Headers array containing header information.
|
||||||
|
* @param[in] log_bulk_size
|
||||||
|
* Number of unique values used with this insert header.
|
||||||
|
* @param[in] flags
|
||||||
|
* Action creation flags. (enum mlx5hws_action_flags)
|
||||||
|
* @return pointer to mlx5hws_action on success NULL otherwise.
|
||||||
|
*/
|
||||||
|
struct mlx5hws_action *
|
||||||
|
mlx5hws_action_create_insert_header(struct mlx5hws_context *ctx,
|
||||||
|
u8 num_of_hdrs,
|
||||||
|
struct mlx5hws_action_insert_header *hdrs,
|
||||||
|
u32 log_bulk_size,
|
||||||
|
u32 flags);
|
||||||
|
|
||||||
|
/* Create remove header action.
|
||||||
|
*
|
||||||
|
* @param[in] ctx
|
||||||
|
* The context in which the new action will be created.
|
||||||
|
* @param[in] attr
|
||||||
|
* attributes: specifies the remove header type, PRM start anchor and
|
||||||
|
* the PRM end anchor or the PRM start anchor and remove size in bytes.
|
||||||
|
* @param[in] flags
|
||||||
|
* Action creation flags. (enum mlx5hws_action_flags)
|
||||||
|
* @return pointer to mlx5hws_action on success NULL otherwise.
|
||||||
|
*/
|
||||||
|
struct mlx5hws_action *
|
||||||
|
mlx5hws_action_create_remove_header(struct mlx5hws_context *ctx,
|
||||||
|
struct mlx5hws_action_remove_header_attr *attr,
|
||||||
|
u32 flags);
|
||||||
|
|
||||||
|
/* Create direct rule LAST action.
|
||||||
|
*
|
||||||
|
* @param[in] ctx
|
||||||
|
* The context in which the new action will be created.
|
||||||
|
* @param[in] flags
|
||||||
|
* Action creation flags. (enum mlx5hws_action_flags)
|
||||||
|
* @return pointer to mlx5hws_action on success NULL otherwise.
|
||||||
|
*/
|
||||||
|
struct mlx5hws_action *
|
||||||
|
mlx5hws_action_create_last(struct mlx5hws_context *ctx, u32 flags);
|
||||||
|
|
||||||
|
/* Destroy direct rule action.
|
||||||
|
*
|
||||||
|
* @param[in] action
|
||||||
|
* The action to destroy.
|
||||||
|
* @return zero on success non zero otherwise.
|
||||||
|
*/
|
||||||
|
int mlx5hws_action_destroy(struct mlx5hws_action *action);
|
||||||
|
|
||||||
|
enum mlx5hws_flow_op_status {
|
||||||
|
MLX5HWS_FLOW_OP_SUCCESS,
|
||||||
|
MLX5HWS_FLOW_OP_ERROR,
|
||||||
|
};
|
||||||
|
|
||||||
|
struct mlx5hws_flow_op_result {
|
||||||
|
enum mlx5hws_flow_op_status status;
|
||||||
|
void *user_data;
|
||||||
|
};
|
||||||
|
|
||||||
|
/* Poll queue for rule creation and deletions completions.
|
||||||
|
*
|
||||||
|
* @param[in] ctx
|
||||||
|
* The context to which the queue belong to.
|
||||||
|
* @param[in] queue_id
|
||||||
|
* The id of the queue to poll.
|
||||||
|
* @param[in, out] res
|
||||||
|
* Completion array.
|
||||||
|
* @param[in] res_nb
|
||||||
|
* Maximum number of results to return.
|
||||||
|
* @return negative number on failure, the number of completions otherwise.
|
||||||
|
*/
|
||||||
|
int mlx5hws_send_queue_poll(struct mlx5hws_context *ctx,
|
||||||
|
u16 queue_id,
|
||||||
|
struct mlx5hws_flow_op_result res[],
|
||||||
|
u32 res_nb);
|
||||||
|
|
||||||
|
/* Perform an action on the queue
|
||||||
|
*
|
||||||
|
* @param[in] ctx
|
||||||
|
* The context to which the queue belong to.
|
||||||
|
* @param[in] queue_id
|
||||||
|
* The id of the queue to perform the action on.
|
||||||
|
* @param[in] actions
|
||||||
|
* Actions to perform on the queue. (enum mlx5hws_send_queue_actions)
|
||||||
|
* @return zero on success non zero otherwise.
|
||||||
|
*/
|
||||||
|
int mlx5hws_send_queue_action(struct mlx5hws_context *ctx,
|
||||||
|
u16 queue_id,
|
||||||
|
u32 actions);
|
||||||
|
|
||||||
|
/* Dump HWS info
|
||||||
|
*
|
||||||
|
* @param[in] ctx
|
||||||
|
* The context which to dump the info from.
|
||||||
|
* @return zero on success non zero otherwise.
|
||||||
|
*/
|
||||||
|
int mlx5hws_debug_dump(struct mlx5hws_context *ctx);
|
||||||
|
|
||||||
|
struct mlx5hws_bwc_matcher;
|
||||||
|
struct mlx5hws_bwc_rule;
|
||||||
|
|
||||||
|
struct mlx5hws_match_parameters {
|
||||||
|
size_t match_sz;
|
||||||
|
u32 *match_buf; /* Device spec format */
|
||||||
|
};
|
||||||
|
|
||||||
|
/* Create a new BWC direct rule matcher.
|
||||||
|
* This function does the following:
|
||||||
|
* - creates match template based on flow items
|
||||||
|
* - creates an empty action template
|
||||||
|
* - creates a usual mlx5hws_matcher with these mt and at, setting
|
||||||
|
* its size to minimal
|
||||||
|
* Notes:
|
||||||
|
* - table->ctx must have BWC support
|
||||||
|
* - complex rules are not supported
|
||||||
|
*
|
||||||
|
* @param[in] table
|
||||||
|
* The table in which the new matcher will be opened
|
||||||
|
* @param[in] priority
|
||||||
|
* Priority for this BWC matcher
|
||||||
|
* @param[in] match_criteria_enable
|
||||||
|
* Bitmask that defines matching criteria
|
||||||
|
* @param[in] mask
|
||||||
|
* Match parameters
|
||||||
|
* @return pointer to mlx5hws_bwc_matcher on success or NULL otherwise.
|
||||||
|
*/
|
||||||
|
struct mlx5hws_bwc_matcher *
|
||||||
|
mlx5hws_bwc_matcher_create(struct mlx5hws_table *table,
|
||||||
|
u32 priority,
|
||||||
|
u8 match_criteria_enable,
|
||||||
|
struct mlx5hws_match_parameters *mask);
|
||||||
|
|
||||||
|
/* Destroy BWC direct rule matcher.
|
||||||
|
*
|
||||||
|
* @param[in] bwc_matcher
|
||||||
|
* Matcher to destroy
|
||||||
|
* @return zero on success, non zero otherwise
|
||||||
|
*/
|
||||||
|
int mlx5hws_bwc_matcher_destroy(struct mlx5hws_bwc_matcher *bwc_matcher);
|
||||||
|
|
||||||
|
/* Create a new BWC rule.
|
||||||
|
* Unlike the usual rule creation function, this one is blocking: when the
|
||||||
|
* function returns, the rule is written to its place (no need to poll).
|
||||||
|
* This function does the following:
|
||||||
|
* - finds matching action template based on the provided rule_actions, or
|
||||||
|
* creates new action template if matching action template doesn't exist
|
||||||
|
* - updates corresponding BWC matcher stats
|
||||||
|
* - if needed, the function performs rehash:
|
||||||
|
* - creates a new matcher based on mt, at, new_sz
|
||||||
|
* - moves all the existing matcher rules to the new matcher
|
||||||
|
* - removes the old matcher
|
||||||
|
* - inserts new rule
|
||||||
|
* - polls till completion is received
|
||||||
|
* Notes:
|
||||||
|
* - matcher->tbl->ctx must have BWC support
|
||||||
|
* - separate BWC ctx queues are used
|
||||||
|
*
|
||||||
|
* @param[in] bwc_matcher
|
||||||
|
* The BWC matcher in which the new rule will be created.
|
||||||
|
* @param[in] params
|
||||||
|
* Match perameters
|
||||||
|
* @param[in] flow_source
|
||||||
|
* Flow source for this rule
|
||||||
|
* @param[in] rule_actions
|
||||||
|
* Rule action to be executed on match
|
||||||
|
* @return valid BWC rule handle on success, NULL otherwise
|
||||||
|
*/
|
||||||
|
struct mlx5hws_bwc_rule *
|
||||||
|
mlx5hws_bwc_rule_create(struct mlx5hws_bwc_matcher *bwc_matcher,
|
||||||
|
struct mlx5hws_match_parameters *params,
|
||||||
|
u32 flow_source,
|
||||||
|
struct mlx5hws_rule_action rule_actions[]);
|
||||||
|
|
||||||
|
/* Destroy BWC direct rule.
|
||||||
|
*
|
||||||
|
* @param[in] bwc_rule
|
||||||
|
* Rule to destroy
|
||||||
|
* @return zero on success, non zero otherwise
|
||||||
|
*/
|
||||||
|
int mlx5hws_bwc_rule_destroy(struct mlx5hws_bwc_rule *bwc_rule);
|
||||||
|
|
||||||
|
/* Update actions on an existing BWC rule.
|
||||||
|
*
|
||||||
|
* @param[in] bwc_rule
|
||||||
|
* Rule to update
|
||||||
|
* @param[in] rule_actions
|
||||||
|
* Rule action to update with
|
||||||
|
* @return zero on successful update, non zero otherwise.
|
||||||
|
*/
|
||||||
|
int mlx5hws_bwc_rule_action_update(struct mlx5hws_bwc_rule *bwc_rule,
|
||||||
|
struct mlx5hws_rule_action rule_actions[]);
|
||||||
|
|
||||||
|
#endif
|
||||||
@ -5,13 +5,13 @@
|
|||||||
#define MLX5HWS_INTERNAL_H_
|
#define MLX5HWS_INTERNAL_H_
|
||||||
|
|
||||||
#include <linux/mlx5/transobj.h>
|
#include <linux/mlx5/transobj.h>
|
||||||
|
#include <linux/mlx5/vport.h>
|
||||||
#include "../dr_types.h"
|
#include "fs_core.h"
|
||||||
|
#include "wq.h"
|
||||||
|
#include "lib/mlx5.h"
|
||||||
|
|
||||||
#include "mlx5hws_prm.h"
|
#include "mlx5hws_prm.h"
|
||||||
|
|
||||||
#include "mlx5hws.h"
|
#include "mlx5hws.h"
|
||||||
|
|
||||||
#include "mlx5hws_pool.h"
|
#include "mlx5hws_pool.h"
|
||||||
#include "mlx5hws_vport.h"
|
#include "mlx5hws_vport.h"
|
||||||
#include "mlx5hws_context.h"
|
#include "mlx5hws_context.h"
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user