2 * Copyright (c) 2015, 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:
10 * Redistribution and use in source and binary forms, with or
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
20 * disclaimer in the documentation and/or other materials
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
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
36 #include <linux/mlx5/driver.h>
37 #include <linux/mlx5/mlx5_ifc.h>
39 #define MLX5_FS_DEFAULT_FLOW_TAG 0x0
41 #define MLX5_SET_CFG(p, f, v) MLX5_SET(create_flow_group_in, p, f, v)
43 enum mlx5_flow_destination_type {
44 MLX5_FLOW_DESTINATION_TYPE_NONE,
45 MLX5_FLOW_DESTINATION_TYPE_VPORT,
46 MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE,
47 MLX5_FLOW_DESTINATION_TYPE_TIR,
48 MLX5_FLOW_DESTINATION_TYPE_FLOW_SAMPLER,
49 MLX5_FLOW_DESTINATION_TYPE_UPLINK,
50 MLX5_FLOW_DESTINATION_TYPE_PORT,
51 MLX5_FLOW_DESTINATION_TYPE_COUNTER,
52 MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE_NUM,
53 MLX5_FLOW_DESTINATION_TYPE_RANGE,
54 MLX5_FLOW_DESTINATION_TYPE_TABLE_TYPE,
58 MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO = 1 << 16,
59 MLX5_FLOW_CONTEXT_ACTION_ENCRYPT = 1 << 17,
60 MLX5_FLOW_CONTEXT_ACTION_DECRYPT = 1 << 18,
61 MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_NS = 1 << 19,
65 MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT = BIT(0),
66 MLX5_FLOW_TABLE_TUNNEL_EN_DECAP = BIT(1),
67 MLX5_FLOW_TABLE_TERMINATION = BIT(2),
68 MLX5_FLOW_TABLE_UNMANAGED = BIT(3),
69 MLX5_FLOW_TABLE_OTHER_VPORT = BIT(4),
72 #define LEFTOVERS_RULE_NUM 2
73 static inline void build_leftovers_ft_param(int *priority,
77 *priority = 0; /* Priority of leftovers_prio-0 */
78 *n_ent = LEFTOVERS_RULE_NUM;
79 *n_grp = LEFTOVERS_RULE_NUM;
82 enum mlx5_flow_namespace_type {
83 MLX5_FLOW_NAMESPACE_BYPASS,
84 MLX5_FLOW_NAMESPACE_KERNEL_RX_MACSEC,
85 MLX5_FLOW_NAMESPACE_LAG,
86 MLX5_FLOW_NAMESPACE_OFFLOADS,
87 MLX5_FLOW_NAMESPACE_ETHTOOL,
88 MLX5_FLOW_NAMESPACE_KERNEL,
89 MLX5_FLOW_NAMESPACE_LEFTOVERS,
90 MLX5_FLOW_NAMESPACE_ANCHOR,
91 MLX5_FLOW_NAMESPACE_FDB_BYPASS,
92 MLX5_FLOW_NAMESPACE_FDB,
93 MLX5_FLOW_NAMESPACE_ESW_EGRESS,
94 MLX5_FLOW_NAMESPACE_ESW_INGRESS,
95 MLX5_FLOW_NAMESPACE_SNIFFER_RX,
96 MLX5_FLOW_NAMESPACE_SNIFFER_TX,
97 MLX5_FLOW_NAMESPACE_EGRESS,
98 MLX5_FLOW_NAMESPACE_EGRESS_IPSEC,
99 MLX5_FLOW_NAMESPACE_EGRESS_MACSEC,
100 MLX5_FLOW_NAMESPACE_RDMA_RX,
101 MLX5_FLOW_NAMESPACE_RDMA_RX_KERNEL,
102 MLX5_FLOW_NAMESPACE_RDMA_TX,
103 MLX5_FLOW_NAMESPACE_PORT_SEL,
104 MLX5_FLOW_NAMESPACE_RDMA_RX_COUNTERS,
105 MLX5_FLOW_NAMESPACE_RDMA_TX_COUNTERS,
106 MLX5_FLOW_NAMESPACE_RDMA_RX_IPSEC,
107 MLX5_FLOW_NAMESPACE_RDMA_TX_IPSEC,
120 struct mlx5_pkt_reformat;
121 struct mlx5_modify_hdr;
122 struct mlx5_flow_definer;
123 struct mlx5_flow_table;
124 struct mlx5_flow_group;
125 struct mlx5_flow_namespace;
126 struct mlx5_flow_handle;
129 FLOW_CONTEXT_HAS_TAG = BIT(0),
132 struct mlx5_flow_context {
138 struct mlx5_flow_spec {
139 u8 match_criteria_enable;
140 u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)];
141 u32 match_value[MLX5_ST_SZ_DW(fte_match_param)];
142 struct mlx5_flow_context flow_context;
146 MLX5_FLOW_DEST_VPORT_VHCA_ID = BIT(0),
147 MLX5_FLOW_DEST_VPORT_REFORMAT_ID = BIT(1),
150 enum mlx5_flow_dest_range_field {
151 MLX5_FLOW_DEST_RANGE_FIELD_PKT_LEN = 0,
154 struct mlx5_flow_destination {
155 enum mlx5_flow_destination_type type;
159 struct mlx5_flow_table *ft;
164 struct mlx5_pkt_reformat *pkt_reformat;
168 struct mlx5_flow_table *hit_ft;
169 struct mlx5_flow_table *miss_ft;
170 enum mlx5_flow_dest_range_field field;
179 struct mutex lock; /* protects hlist */
180 DECLARE_HASHTABLE(hlist, 8);
183 struct mlx5_flow_namespace *
184 mlx5_get_fdb_sub_ns(struct mlx5_core_dev *dev, int n);
185 struct mlx5_flow_namespace *
186 mlx5_get_flow_namespace(struct mlx5_core_dev *dev,
187 enum mlx5_flow_namespace_type type);
188 struct mlx5_flow_namespace *
189 mlx5_get_flow_vport_acl_namespace(struct mlx5_core_dev *dev,
190 enum mlx5_flow_namespace_type type,
193 struct mlx5_flow_table_attr {
199 struct mlx5_flow_table *next_ft;
203 int num_reserved_entries;
207 struct mlx5_flow_table *
208 mlx5_create_flow_table(struct mlx5_flow_namespace *ns,
209 struct mlx5_flow_table_attr *ft_attr);
211 struct mlx5_flow_table *
212 mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns,
213 struct mlx5_flow_table_attr *ft_attr);
215 struct mlx5_flow_table *
216 mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns,
217 struct mlx5_flow_table_attr *ft_attr, u16 vport);
218 struct mlx5_flow_table *mlx5_create_lag_demux_flow_table(
219 struct mlx5_flow_namespace *ns,
220 int prio, u32 level);
221 int mlx5_destroy_flow_table(struct mlx5_flow_table *ft);
223 /* inbox should be set with the following values:
226 * match_criteria_enable
229 struct mlx5_flow_group *
230 mlx5_create_flow_group(struct mlx5_flow_table *ft, u32 *in);
231 void mlx5_destroy_flow_group(struct mlx5_flow_group *fg);
233 struct mlx5_exe_aso {
246 struct mlx5_fs_vlan {
252 #define MLX5_FS_VLAN_DEPTH 2
255 FLOW_ACT_NO_APPEND = BIT(0),
256 FLOW_ACT_IGNORE_FLOW_LEVEL = BIT(1),
259 struct mlx5_flow_act {
261 struct mlx5_modify_hdr *modify_hdr;
262 struct mlx5_pkt_reformat *pkt_reformat;
263 struct mlx5_flow_act_crypto_params {
268 struct mlx5_fs_vlan vlan[MLX5_FS_VLAN_DEPTH];
269 struct ib_counters *counters;
270 struct mlx5_flow_group *fg;
271 struct mlx5_exe_aso exe_aso;
274 #define MLX5_DECLARE_FLOW_ACT(name) \
275 struct mlx5_flow_act name = { .action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,\
278 /* Single destination per rule.
279 * Group ID is implied by the match criteria.
281 struct mlx5_flow_handle *
282 mlx5_add_flow_rules(struct mlx5_flow_table *ft,
283 const struct mlx5_flow_spec *spec,
284 struct mlx5_flow_act *flow_act,
285 struct mlx5_flow_destination *dest,
287 void mlx5_del_flow_rules(struct mlx5_flow_handle *fr);
289 int mlx5_modify_rule_destination(struct mlx5_flow_handle *handler,
290 struct mlx5_flow_destination *new_dest,
291 struct mlx5_flow_destination *old_dest);
293 struct mlx5_fc *mlx5_fc_create(struct mlx5_core_dev *dev, bool aging);
295 /* As mlx5_fc_create() but doesn't queue stats refresh thread. */
296 struct mlx5_fc *mlx5_fc_create_ex(struct mlx5_core_dev *dev, bool aging);
298 void mlx5_fc_destroy(struct mlx5_core_dev *dev, struct mlx5_fc *counter);
299 u64 mlx5_fc_query_lastuse(struct mlx5_fc *counter);
300 void mlx5_fc_query_cached(struct mlx5_fc *counter,
301 u64 *bytes, u64 *packets, u64 *lastuse);
302 void mlx5_fc_query_cached_raw(struct mlx5_fc *counter,
303 u64 *bytes, u64 *packets, u64 *lastuse);
304 int mlx5_fc_query(struct mlx5_core_dev *dev, struct mlx5_fc *counter,
305 u64 *packets, u64 *bytes);
306 u32 mlx5_fc_id(struct mlx5_fc *counter);
308 int mlx5_fs_add_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn);
309 int mlx5_fs_remove_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn);
311 struct mlx5_modify_hdr *mlx5_modify_header_alloc(struct mlx5_core_dev *dev,
312 u8 ns_type, u8 num_actions,
313 void *modify_actions);
314 void mlx5_modify_header_dealloc(struct mlx5_core_dev *dev,
315 struct mlx5_modify_hdr *modify_hdr);
316 struct mlx5_flow_definer *
317 mlx5_create_match_definer(struct mlx5_core_dev *dev,
318 enum mlx5_flow_namespace_type ns_type, u16 format_id,
320 void mlx5_destroy_match_definer(struct mlx5_core_dev *dev,
321 struct mlx5_flow_definer *definer);
322 int mlx5_get_match_definer_id(struct mlx5_flow_definer *definer);
324 struct mlx5_pkt_reformat_params {
332 struct mlx5_pkt_reformat *mlx5_packet_reformat_alloc(struct mlx5_core_dev *dev,
333 struct mlx5_pkt_reformat_params *params,
334 enum mlx5_flow_namespace_type ns_type);
335 void mlx5_packet_reformat_dealloc(struct mlx5_core_dev *dev,
336 struct mlx5_pkt_reformat *reformat);
338 u32 mlx5_flow_table_id(struct mlx5_flow_table *ft);