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aaff1bea16
Add interfaces to allow the creation and destruction of a LAG demux flow table. It is a special flow table used during LAG for redirecting non user-mode packets from PF0 to PF1 root ft, if a packet was received on phys port two. Signed-off-by: Aviv Heller <avivh@mellanox.com> Reviewed-by: Maor Gottlieb <maorg@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org>
145 lines
4.4 KiB
C
145 lines
4.4 KiB
C
/*
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* Copyright (c) 2015, Mellanox Technologies. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef _MLX5_FS_
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#define _MLX5_FS_
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#include <linux/mlx5/driver.h>
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#include <linux/mlx5/mlx5_ifc.h>
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#define MLX5_FS_DEFAULT_FLOW_TAG 0x0
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enum {
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MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO = 1 << 16,
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};
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#define LEFTOVERS_RULE_NUM 2
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static inline void build_leftovers_ft_param(int *priority,
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int *n_ent,
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int *n_grp)
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{
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*priority = 0; /* Priority of leftovers_prio-0 */
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*n_ent = LEFTOVERS_RULE_NUM;
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*n_grp = LEFTOVERS_RULE_NUM;
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}
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enum mlx5_flow_namespace_type {
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MLX5_FLOW_NAMESPACE_BYPASS,
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MLX5_FLOW_NAMESPACE_OFFLOADS,
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MLX5_FLOW_NAMESPACE_ETHTOOL,
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MLX5_FLOW_NAMESPACE_KERNEL,
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MLX5_FLOW_NAMESPACE_LEFTOVERS,
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MLX5_FLOW_NAMESPACE_ANCHOR,
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MLX5_FLOW_NAMESPACE_FDB,
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MLX5_FLOW_NAMESPACE_ESW_EGRESS,
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MLX5_FLOW_NAMESPACE_ESW_INGRESS,
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};
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struct mlx5_flow_table;
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struct mlx5_flow_group;
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struct mlx5_flow_rule;
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struct mlx5_flow_namespace;
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struct mlx5_flow_spec {
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u8 match_criteria_enable;
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u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)];
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u32 match_value[MLX5_ST_SZ_DW(fte_match_param)];
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};
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struct mlx5_flow_destination {
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enum mlx5_flow_destination_type type;
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union {
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u32 tir_num;
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struct mlx5_flow_table *ft;
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u32 vport_num;
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struct mlx5_fc *counter;
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};
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};
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struct mlx5_flow_namespace *
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mlx5_get_flow_namespace(struct mlx5_core_dev *dev,
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enum mlx5_flow_namespace_type type);
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struct mlx5_flow_table *
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mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns,
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int prio,
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int num_flow_table_entries,
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int max_num_groups,
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u32 level);
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struct mlx5_flow_table *
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mlx5_create_flow_table(struct mlx5_flow_namespace *ns,
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int prio,
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int num_flow_table_entries,
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u32 level);
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struct mlx5_flow_table *
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mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns,
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int prio,
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int num_flow_table_entries,
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u32 level, u16 vport);
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struct mlx5_flow_table *mlx5_create_lag_demux_flow_table(
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struct mlx5_flow_namespace *ns,
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int prio, u32 level);
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int mlx5_destroy_flow_table(struct mlx5_flow_table *ft);
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/* inbox should be set with the following values:
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* start_flow_index
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* end_flow_index
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* match_criteria_enable
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* match_criteria
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*/
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struct mlx5_flow_group *
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mlx5_create_flow_group(struct mlx5_flow_table *ft, u32 *in);
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void mlx5_destroy_flow_group(struct mlx5_flow_group *fg);
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/* Single destination per rule.
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* Group ID is implied by the match criteria.
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*/
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struct mlx5_flow_rule *
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mlx5_add_flow_rule(struct mlx5_flow_table *ft,
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struct mlx5_flow_spec *spec,
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u32 action,
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u32 flow_tag,
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struct mlx5_flow_destination *dest);
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void mlx5_del_flow_rule(struct mlx5_flow_rule *fr);
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int mlx5_modify_rule_destination(struct mlx5_flow_rule *rule,
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struct mlx5_flow_destination *dest);
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struct mlx5_fc *mlx5_flow_rule_counter(struct mlx5_flow_rule *rule);
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struct mlx5_fc *mlx5_fc_create(struct mlx5_core_dev *dev, bool aging);
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void mlx5_fc_destroy(struct mlx5_core_dev *dev, struct mlx5_fc *counter);
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void mlx5_fc_query_cached(struct mlx5_fc *counter,
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u64 *bytes, u64 *packets, u64 *lastuse);
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#endif
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