2 * Copyright (c) 2016, Mellanox Technologies. All rights reserved.
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
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11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
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21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 #ifndef __MLX5_EN_TC_H__
34 #define __MLX5_EN_TC_H__
36 #include <net/pkt_cls.h>
39 #define MLX5E_TC_FLOW_ID_MASK 0x0000ffff
41 #ifdef CONFIG_MLX5_ESWITCH
43 int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags);
45 struct mlx5e_tc_update_priv {
46 struct net_device *tun_dev;
49 #if IS_ENABLED(CONFIG_MLX5_CLS_ACT)
51 struct tunnel_match_key {
52 struct flow_dissector_key_control enc_control;
53 struct flow_dissector_key_keyid enc_key_id;
54 struct flow_dissector_key_ports enc_tp;
55 struct flow_dissector_key_ip enc_ip;
57 struct flow_dissector_key_ipv4_addrs enc_ipv4;
58 struct flow_dissector_key_ipv6_addrs enc_ipv6;
64 struct tunnel_match_enc_opts {
65 struct flow_dissector_key_enc_opts key;
66 struct flow_dissector_key_enc_opts mask;
69 /* Tunnel_id mapping is TUNNEL_INFO_BITS + ENC_OPTS_BITS.
70 * Upper TUNNEL_INFO_BITS for general tunnel info.
71 * Lower ENC_OPTS_BITS bits for enc_opts.
73 #define TUNNEL_INFO_BITS 12
74 #define TUNNEL_INFO_BITS_MASK GENMASK(TUNNEL_INFO_BITS - 1, 0)
75 #define ENC_OPTS_BITS 12
76 #define ENC_OPTS_BITS_MASK GENMASK(ENC_OPTS_BITS - 1, 0)
77 #define TUNNEL_ID_BITS (TUNNEL_INFO_BITS + ENC_OPTS_BITS)
78 #define TUNNEL_ID_MASK GENMASK(TUNNEL_ID_BITS - 1, 0)
81 MLX5E_TC_FLAG_INGRESS_BIT,
82 MLX5E_TC_FLAG_EGRESS_BIT,
83 MLX5E_TC_FLAG_NIC_OFFLOAD_BIT,
84 MLX5E_TC_FLAG_ESW_OFFLOAD_BIT,
85 MLX5E_TC_FLAG_FT_OFFLOAD_BIT,
86 MLX5E_TC_FLAG_LAST_EXPORTED_BIT = MLX5E_TC_FLAG_FT_OFFLOAD_BIT,
89 #define MLX5_TC_FLAG(flag) BIT(MLX5E_TC_FLAG_##flag##_BIT)
91 int mlx5e_tc_esw_init(struct rhashtable *tc_ht);
92 void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht);
94 int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv,
95 struct flow_cls_offload *f, unsigned long flags);
96 int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv,
97 struct flow_cls_offload *f, unsigned long flags);
99 int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv,
100 struct flow_cls_offload *f, unsigned long flags);
102 int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv,
103 struct tc_cls_matchall_offload *f);
104 int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv,
105 struct tc_cls_matchall_offload *f);
106 void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv,
107 struct tc_cls_matchall_offload *ma);
109 struct mlx5e_encap_entry;
110 void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv,
111 struct mlx5e_encap_entry *e,
112 struct list_head *flow_list);
113 void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv,
114 struct mlx5e_encap_entry *e,
115 struct list_head *flow_list);
116 bool mlx5e_encap_take(struct mlx5e_encap_entry *e);
117 void mlx5e_encap_put(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e);
119 void mlx5e_take_all_encap_flows(struct mlx5e_encap_entry *e, struct list_head *flow_list);
120 void mlx5e_put_encap_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list);
122 struct mlx5e_neigh_hash_entry;
123 void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe);
125 void mlx5e_tc_reoffload_flows_work(struct work_struct *work);
127 enum mlx5e_tc_attr_to_reg {
138 struct mlx5e_tc_attr_to_reg_mapping {
139 int mfield; /* rewrite field */
140 int moffset; /* offset of mfield */
141 int mlen; /* bytes to rewrite/match */
143 int soffset; /* offset of spec for match */
146 extern struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[];
148 bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv,
149 struct net_device *out_dev);
151 int mlx5e_tc_match_to_reg_set(struct mlx5_core_dev *mdev,
152 struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts,
153 enum mlx5e_tc_attr_to_reg type,
156 void mlx5e_tc_match_to_reg_match(struct mlx5_flow_spec *spec,
157 enum mlx5e_tc_attr_to_reg type,
161 void mlx5e_tc_match_to_reg_get_match(struct mlx5_flow_spec *spec,
162 enum mlx5e_tc_attr_to_reg type,
166 int alloc_mod_hdr_actions(struct mlx5_core_dev *mdev,
168 struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts);
169 void dealloc_mod_hdr_actions(struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts);
171 struct mlx5e_tc_flow;
172 u32 mlx5e_tc_get_flow_tun_id(struct mlx5e_tc_flow *flow);
174 void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev,
175 struct flow_match_basic *match, bool outer,
176 void *headers_c, void *headers_v);
178 int mlx5e_tc_nic_init(struct mlx5e_priv *priv);
179 void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv);
181 int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data,
184 #else /* CONFIG_MLX5_CLS_ACT */
185 static inline int mlx5e_tc_nic_init(struct mlx5e_priv *priv) { return 0; }
186 static inline void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) {}
188 mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, void *cb_priv)
189 { return -EOPNOTSUPP; }
190 #endif /* CONFIG_MLX5_CLS_ACT */
192 #else /* CONFIG_MLX5_ESWITCH */
193 static inline int mlx5e_tc_nic_init(struct mlx5e_priv *priv) { return 0; }
194 static inline void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) {}
195 static inline int mlx5e_tc_num_filters(struct mlx5e_priv *priv,
202 mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, void *cb_priv)
203 { return -EOPNOTSUPP; }
206 #endif /* __MLX5_EN_TC_H__ */