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26a81453 MG |
1 | /* |
2 | * Copyright (c) 2015, Mellanox Technologies. All rights reserved. | |
3 | * | |
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: | |
9 | * | |
10 | * Redistribution and use in source and binary forms, with or | |
11 | * without modification, are permitted provided that the following | |
12 | * conditions are met: | |
13 | * | |
14 | * - Redistributions of source code must retain the above | |
15 | * copyright notice, this list of conditions and the following | |
16 | * disclaimer. | |
17 | * | |
18 | * - Redistributions in binary form must reproduce the above | |
19 | * copyright notice, this list of conditions and the following | |
20 | * disclaimer in the documentation and/or other materials | |
21 | * provided with the distribution. | |
22 | * | |
23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
30 | * SOFTWARE. | |
31 | */ | |
32 | ||
33 | #ifndef _MLX5_FS_CORE_ | |
34 | #define _MLX5_FS_CORE_ | |
35 | ||
36 | #include <linux/mlx5/fs.h> | |
37 | ||
38 | enum fs_node_type { | |
39 | FS_TYPE_NAMESPACE, | |
40 | FS_TYPE_PRIO, | |
41 | FS_TYPE_FLOW_TABLE, | |
42 | FS_TYPE_FLOW_GROUP, | |
43 | FS_TYPE_FLOW_ENTRY, | |
44 | FS_TYPE_FLOW_DEST | |
45 | }; | |
46 | ||
47 | enum fs_flow_table_type { | |
efdc810b MHY |
48 | FS_FT_NIC_RX = 0x0, |
49 | FS_FT_ESW_EGRESS_ACL = 0x2, | |
50 | FS_FT_ESW_INGRESS_ACL = 0x3, | |
51 | FS_FT_FDB = 0X4, | |
87d22483 MG |
52 | FS_FT_SNIFFER_RX = 0X5, |
53 | FS_FT_SNIFFER_TX = 0X6, | |
26a81453 MG |
54 | }; |
55 | ||
aaff1bea AH |
56 | enum fs_flow_table_op_mod { |
57 | FS_FT_OP_MOD_NORMAL, | |
58 | FS_FT_OP_MOD_LAG_DEMUX, | |
59 | }; | |
60 | ||
26a81453 MG |
61 | enum fs_fte_status { |
62 | FS_FTE_STATUS_EXISTING = 1UL << 0, | |
63 | }; | |
64 | ||
fba53f7b MG |
65 | struct mlx5_flow_steering { |
66 | struct mlx5_core_dev *dev; | |
67 | struct mlx5_flow_root_namespace *root_ns; | |
68 | struct mlx5_flow_root_namespace *fdb_root_ns; | |
69 | struct mlx5_flow_root_namespace *esw_egress_root_ns; | |
70 | struct mlx5_flow_root_namespace *esw_ingress_root_ns; | |
87d22483 MG |
71 | struct mlx5_flow_root_namespace *sniffer_tx_root_ns; |
72 | struct mlx5_flow_root_namespace *sniffer_rx_root_ns; | |
fba53f7b MG |
73 | }; |
74 | ||
26a81453 MG |
75 | struct fs_node { |
76 | struct list_head list; | |
77 | struct list_head children; | |
78 | enum fs_node_type type; | |
de8575e0 MG |
79 | struct fs_node *parent; |
80 | struct fs_node *root; | |
81 | /* lock the node for writing and traversing */ | |
82 | struct mutex lock; | |
83 | atomic_t refcount; | |
84 | void (*remove_func)(struct fs_node *); | |
26a81453 MG |
85 | }; |
86 | ||
87 | struct mlx5_flow_rule { | |
88 | struct fs_node node; | |
89 | struct mlx5_flow_destination dest_attr; | |
b3638e1a MG |
90 | /* next_ft should be accessed under chain_lock and only of |
91 | * destination type is FWD_NEXT_fT. | |
92 | */ | |
93 | struct list_head next_ft; | |
94 | u32 sw_action; | |
26a81453 MG |
95 | }; |
96 | ||
0c56b975 | 97 | /* Type of children is mlx5_flow_group */ |
26a81453 MG |
98 | struct mlx5_flow_table { |
99 | struct fs_node node; | |
100 | u32 id; | |
efdc810b | 101 | u16 vport; |
0c56b975 | 102 | unsigned int max_fte; |
5e1626c0 | 103 | unsigned int level; |
26a81453 | 104 | enum fs_flow_table_type type; |
aaff1bea | 105 | enum fs_flow_table_op_mod op_mod; |
f0d22d18 MG |
106 | struct { |
107 | bool active; | |
108 | unsigned int required_groups; | |
109 | unsigned int num_groups; | |
110 | } autogroup; | |
b3638e1a MG |
111 | /* Protect fwd_rules */ |
112 | struct mutex lock; | |
113 | /* FWD rules that point on this flow table */ | |
114 | struct list_head fwd_rules; | |
26a81453 MG |
115 | }; |
116 | ||
bd5251db AV |
117 | struct mlx5_fc_cache { |
118 | u64 packets; | |
119 | u64 bytes; | |
120 | u64 lastuse; | |
121 | }; | |
122 | ||
123 | struct mlx5_fc { | |
29cc6679 | 124 | struct rb_node node; |
bd5251db AV |
125 | struct list_head list; |
126 | ||
127 | /* last{packets,bytes} members are used when calculating the delta since | |
128 | * last reading | |
129 | */ | |
130 | u64 lastpackets; | |
131 | u64 lastbytes; | |
132 | ||
133 | u16 id; | |
134 | bool deleted; | |
135 | bool aging; | |
136 | ||
137 | struct mlx5_fc_cache cache ____cacheline_aligned_in_smp; | |
138 | }; | |
139 | ||
0c56b975 | 140 | /* Type of children is mlx5_flow_rule */ |
26a81453 MG |
141 | struct fs_fte { |
142 | struct fs_node node; | |
143 | u32 val[MLX5_ST_SZ_DW(fte_match_param)]; | |
144 | u32 dests_size; | |
145 | u32 flow_tag; | |
146 | u32 index; | |
147 | u32 action; | |
0c56b975 | 148 | enum fs_fte_status status; |
bd5251db | 149 | struct mlx5_fc *counter; |
26a81453 MG |
150 | }; |
151 | ||
0c56b975 | 152 | /* Type of children is mlx5_flow_table/namespace */ |
5e1626c0 MG |
153 | struct fs_prio { |
154 | struct fs_node node; | |
a257b94a | 155 | unsigned int num_levels; |
5e1626c0 MG |
156 | unsigned int start_level; |
157 | unsigned int prio; | |
0c56b975 | 158 | unsigned int num_ft; |
5e1626c0 MG |
159 | }; |
160 | ||
0c56b975 | 161 | /* Type of children is fs_prio */ |
5e1626c0 MG |
162 | struct mlx5_flow_namespace { |
163 | /* parent == NULL => root ns */ | |
164 | struct fs_node node; | |
165 | }; | |
166 | ||
167 | struct mlx5_flow_group_mask { | |
168 | u8 match_criteria_enable; | |
169 | u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)]; | |
170 | }; | |
171 | ||
0c56b975 MG |
172 | /* Type of children is fs_fte */ |
173 | struct mlx5_flow_group { | |
174 | struct fs_node node; | |
175 | struct mlx5_flow_group_mask mask; | |
176 | u32 start_index; | |
177 | u32 max_ftes; | |
178 | u32 num_ftes; | |
179 | u32 id; | |
180 | }; | |
181 | ||
182 | struct mlx5_flow_root_namespace { | |
183 | struct mlx5_flow_namespace ns; | |
184 | enum fs_flow_table_type table_type; | |
185 | struct mlx5_core_dev *dev; | |
2cc43b49 MG |
186 | struct mlx5_flow_table *root_ft; |
187 | /* Should be held when chaining flow tables */ | |
188 | struct mutex chain_lock; | |
0c56b975 MG |
189 | }; |
190 | ||
43a335e0 AV |
191 | int mlx5_init_fc_stats(struct mlx5_core_dev *dev); |
192 | void mlx5_cleanup_fc_stats(struct mlx5_core_dev *dev); | |
193 | ||
25302363 MG |
194 | int mlx5_init_fs(struct mlx5_core_dev *dev); |
195 | void mlx5_cleanup_fs(struct mlx5_core_dev *dev); | |
196 | ||
5e1626c0 MG |
197 | #define fs_get_obj(v, _node) {v = container_of((_node), typeof(*v), node); } |
198 | ||
199 | #define fs_list_for_each_entry(pos, root) \ | |
200 | list_for_each_entry(pos, root, node.list) | |
201 | ||
153fefbf MG |
202 | #define fs_list_for_each_entry_safe(pos, tmp, root) \ |
203 | list_for_each_entry_safe(pos, tmp, root, node.list) | |
204 | ||
5e1626c0 MG |
205 | #define fs_for_each_ns_or_ft_reverse(pos, prio) \ |
206 | list_for_each_entry_reverse(pos, &(prio)->node.children, list) | |
207 | ||
208 | #define fs_for_each_ns_or_ft(pos, prio) \ | |
209 | list_for_each_entry(pos, (&(prio)->node.children), list) | |
210 | ||
211 | #define fs_for_each_prio(pos, ns) \ | |
212 | fs_list_for_each_entry(pos, &(ns)->node.children) | |
213 | ||
655227ed MG |
214 | #define fs_for_each_ns(pos, prio) \ |
215 | fs_list_for_each_entry(pos, &(prio)->node.children) | |
216 | ||
2cc43b49 MG |
217 | #define fs_for_each_ft(pos, prio) \ |
218 | fs_list_for_each_entry(pos, &(prio)->node.children) | |
219 | ||
153fefbf MG |
220 | #define fs_for_each_ft_safe(pos, tmp, prio) \ |
221 | fs_list_for_each_entry_safe(pos, tmp, &(prio)->node.children) | |
222 | ||
5e1626c0 MG |
223 | #define fs_for_each_fg(pos, ft) \ |
224 | fs_list_for_each_entry(pos, &(ft)->node.children) | |
225 | ||
226 | #define fs_for_each_fte(pos, fg) \ | |
227 | fs_list_for_each_entry(pos, &(fg)->node.children) | |
228 | ||
229 | #define fs_for_each_dst(pos, fte) \ | |
230 | fs_list_for_each_entry(pos, &(fte)->node.children) | |
231 | ||
26a81453 | 232 | #endif |