drivers/net/ethernet/mellanox/mlx5/core/en/tc/act/act.h

   1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
   2 /* Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */
   3
   4 #ifndef __MLX5_EN_TC_ACT_H__
   5 #define __MLX5_EN_TC_ACT_H__
   6
   7 #include <net/tc_act/tc_pedit.h>
   8 #include <net/flow_offload.h>
   9 #include <linux/netlink.h>
  10 #include "eswitch.h"
  11 #include "pedit.h"
  12
  13 struct mlx5_flow_attr;
  14
  15 struct mlx5e_tc_act_parse_state {
  16         struct flow_action *flow_action;
  17         struct mlx5e_tc_flow *flow;
  18         struct netlink_ext_ack *extack;
  19         u32 actions;
  20         bool encap;
  21         bool decap;
  22         bool mpls_push;
  23         bool eth_push;
  24         bool eth_pop;
  25         bool ptype_host;
  26         const struct ip_tunnel_info *tun_info;
  27         struct mlx5e_mpls_info mpls_info;
  28         int ifindexes[MLX5_MAX_FLOW_FWD_VPORTS];
  29         int if_count;
  30         struct mlx5_tc_ct_priv *ct_priv;
  31 };
  32
  33 struct mlx5e_tc_act_branch_ctrl {
  34         enum flow_action_id act_id;
  35         u32 extval;
  36 };
  37
  38 struct mlx5e_tc_act {
  39         bool (*can_offload)(struct mlx5e_tc_act_parse_state *parse_state,
  40                             const struct flow_action_entry *act,
  41                             int act_index,
  42                             struct mlx5_flow_attr *attr);
  43
  44         int (*parse_action)(struct mlx5e_tc_act_parse_state *parse_state,
  45                             const struct flow_action_entry *act,
  46                             struct mlx5e_priv *priv,
  47                             struct mlx5_flow_attr *attr);
  48
  49         int (*post_parse)(struct mlx5e_tc_act_parse_state *parse_state,
  50                           struct mlx5e_priv *priv,
  51                           struct mlx5_flow_attr *attr);
  52
  53         bool (*is_multi_table_act)(struct mlx5e_priv *priv,
  54                                    const struct flow_action_entry *act,
  55                                    struct mlx5_flow_attr *attr);
  56
  57         bool (*is_missable)(const struct flow_action_entry *act);
  58
  59         int (*offload_action)(struct mlx5e_priv *priv,
  60                               struct flow_offload_action *fl_act,
  61                               struct flow_action_entry *act);
  62
  63         int (*destroy_action)(struct mlx5e_priv *priv,
  64                               struct flow_offload_action *fl_act);
  65
  66         int (*stats_action)(struct mlx5e_priv *priv,
  67                             struct flow_offload_action *fl_act);
  68
  69         bool (*get_branch_ctrl)(const struct flow_action_entry *act,
  70                                 struct mlx5e_tc_act_branch_ctrl *cond_true,
  71                                 struct mlx5e_tc_act_branch_ctrl *cond_false);
  72
  73         bool is_terminating_action;
  74 };
  75
  76 struct mlx5e_tc_flow_action {
  77         unsigned int num_entries;
  78         struct flow_action_entry **entries;
  79 };
  80
  81 extern struct mlx5e_tc_act mlx5e_tc_act_drop;
  82 extern struct mlx5e_tc_act mlx5e_tc_act_trap;
  83 extern struct mlx5e_tc_act mlx5e_tc_act_accept;
  84 extern struct mlx5e_tc_act mlx5e_tc_act_mark;
  85 extern struct mlx5e_tc_act mlx5e_tc_act_goto;
  86 extern struct mlx5e_tc_act mlx5e_tc_act_tun_encap;
  87 extern struct mlx5e_tc_act mlx5e_tc_act_tun_decap;
  88 extern struct mlx5e_tc_act mlx5e_tc_act_csum;
  89 extern struct mlx5e_tc_act mlx5e_tc_act_pedit;
  90 extern struct mlx5e_tc_act mlx5e_tc_act_vlan;
  91 extern struct mlx5e_tc_act mlx5e_tc_act_vlan_mangle;
  92 extern struct mlx5e_tc_act mlx5e_tc_act_mpls_push;
  93 extern struct mlx5e_tc_act mlx5e_tc_act_mpls_pop;
  94 extern struct mlx5e_tc_act mlx5e_tc_act_mirred;
  95 extern struct mlx5e_tc_act mlx5e_tc_act_redirect;
  96 extern struct mlx5e_tc_act mlx5e_tc_act_mirred_nic;
  97 extern struct mlx5e_tc_act mlx5e_tc_act_ct;
  98 extern struct mlx5e_tc_act mlx5e_tc_act_sample;
  99 extern struct mlx5e_tc_act mlx5e_tc_act_ptype;
 100 extern struct mlx5e_tc_act mlx5e_tc_act_redirect_ingress;
 101 extern struct mlx5e_tc_act mlx5e_tc_act_police;
 102
 103 struct mlx5e_tc_act *
 104 mlx5e_tc_act_get(enum flow_action_id act_id,
 105                  enum mlx5_flow_namespace_type ns_type);
 106
 107 void
 108 mlx5e_tc_act_init_parse_state(struct mlx5e_tc_act_parse_state *parse_state,
 109                               struct mlx5e_tc_flow *flow,
 110                               struct flow_action *flow_action,
 111                               struct netlink_ext_ack *extack);
 112
 113 int
 114 mlx5e_tc_act_post_parse(struct mlx5e_tc_act_parse_state *parse_state,
 115                         struct flow_action *flow_action, int from, int to,
 116                         struct mlx5_flow_attr *attr,
 117                         enum mlx5_flow_namespace_type ns_type);
 118
 119 int
 120 mlx5e_tc_act_set_next_post_act(struct mlx5e_tc_flow *flow,
 121                                struct mlx5_flow_attr *attr,
 122                                struct mlx5_flow_attr *next_attr);
 123
 124 #endif /* __MLX5_EN_TC_ACT_H__ */