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,
122 struct mlx5_pkt_reformat;
123 struct mlx5_modify_hdr;
124 struct mlx5_flow_definer;
125 struct mlx5_flow_table;
126 struct mlx5_flow_group;
127 struct mlx5_flow_namespace;
128 struct mlx5_flow_handle;
131 FLOW_CONTEXT_HAS_TAG = BIT(0),
134 struct mlx5_flow_context {
140 struct mlx5_flow_spec {
141 u8 match_criteria_enable;
142 u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)];
143 u32 match_value[MLX5_ST_SZ_DW(fte_match_param)];
144 struct mlx5_flow_context flow_context;
148 MLX5_FLOW_DEST_VPORT_VHCA_ID = BIT(0),
149 MLX5_FLOW_DEST_VPORT_REFORMAT_ID = BIT(1),
152 enum mlx5_flow_dest_range_field {
153 MLX5_FLOW_DEST_RANGE_FIELD_PKT_LEN = 0,
156 struct mlx5_flow_destination {
157 enum mlx5_flow_destination_type type;
161 struct mlx5_flow_table *ft;
166 struct mlx5_pkt_reformat *pkt_reformat;
170 struct mlx5_flow_table *hit_ft;
171 struct mlx5_flow_table *miss_ft;
172 enum mlx5_flow_dest_range_field field;
181 struct mutex lock; /* protects hlist */
182 DECLARE_HASHTABLE(hlist, 8);
185 struct mlx5_flow_namespace *
186 mlx5_get_fdb_sub_ns(struct mlx5_core_dev *dev, int n);
187 struct mlx5_flow_namespace *
188 mlx5_get_flow_namespace(struct mlx5_core_dev *dev,
189 enum mlx5_flow_namespace_type type);
190 struct mlx5_flow_namespace *
191 mlx5_get_flow_vport_acl_namespace(struct mlx5_core_dev *dev,
192 enum mlx5_flow_namespace_type type,
195 struct mlx5_flow_table_attr {
201 struct mlx5_flow_table *next_ft;
205 int num_reserved_entries;
209 struct mlx5_flow_table *
210 mlx5_create_flow_table(struct mlx5_flow_namespace *ns,
211 struct mlx5_flow_table_attr *ft_attr);
213 struct mlx5_flow_table *
214 mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns,
215 struct mlx5_flow_table_attr *ft_attr);
217 struct mlx5_flow_table *
218 mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns,
219 struct mlx5_flow_table_attr *ft_attr, u16 vport);
220 struct mlx5_flow_table *mlx5_create_lag_demux_flow_table(
221 struct mlx5_flow_namespace *ns,
222 int prio, u32 level);
223 int mlx5_destroy_flow_table(struct mlx5_flow_table *ft);
225 /* inbox should be set with the following values:
228 * match_criteria_enable
231 struct mlx5_flow_group *
232 mlx5_create_flow_group(struct mlx5_flow_table *ft, u32 *in);
233 void mlx5_destroy_flow_group(struct mlx5_flow_group *fg);
235 struct mlx5_exe_aso {
248 struct mlx5_fs_vlan {
254 #define MLX5_FS_VLAN_DEPTH 2
257 FLOW_ACT_NO_APPEND = BIT(0),
258 FLOW_ACT_IGNORE_FLOW_LEVEL = BIT(1),
261 struct mlx5_flow_act {
263 struct mlx5_modify_hdr *modify_hdr;
264 struct mlx5_pkt_reformat *pkt_reformat;
265 struct mlx5_flow_act_crypto_params {
270 struct mlx5_fs_vlan vlan[MLX5_FS_VLAN_DEPTH];
271 struct ib_counters *counters;
272 struct mlx5_flow_group *fg;
273 struct mlx5_exe_aso exe_aso;
276 #define MLX5_DECLARE_FLOW_ACT(name) \
277 struct mlx5_flow_act name = { .action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,\
280 /* Single destination per rule.
281 * Group ID is implied by the match criteria.
283 struct mlx5_flow_handle *
284 mlx5_add_flow_rules(struct mlx5_flow_table *ft,
285 const struct mlx5_flow_spec *spec,
286 struct mlx5_flow_act *flow_act,
287 struct mlx5_flow_destination *dest,
289 void mlx5_del_flow_rules(struct mlx5_flow_handle *fr);
291 int mlx5_modify_rule_destination(struct mlx5_flow_handle *handler,
292 struct mlx5_flow_destination *new_dest,
293 struct mlx5_flow_destination *old_dest);
295 struct mlx5_fc *mlx5_fc_create(struct mlx5_core_dev *dev, bool aging);
297 /* As mlx5_fc_create() but doesn't queue stats refresh thread. */
298 struct mlx5_fc *mlx5_fc_create_ex(struct mlx5_core_dev *dev, bool aging);
300 void mlx5_fc_destroy(struct mlx5_core_dev *dev, struct mlx5_fc *counter);
301 u64 mlx5_fc_query_lastuse(struct mlx5_fc *counter);
302 void mlx5_fc_query_cached(struct mlx5_fc *counter,
303 u64 *bytes, u64 *packets, u64 *lastuse);
304 void mlx5_fc_query_cached_raw(struct mlx5_fc *counter,
305 u64 *bytes, u64 *packets, u64 *lastuse);
306 int mlx5_fc_query(struct mlx5_core_dev *dev, struct mlx5_fc *counter,
307 u64 *packets, u64 *bytes);
308 u32 mlx5_fc_id(struct mlx5_fc *counter);
310 int mlx5_fs_add_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn);
311 int mlx5_fs_remove_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn);
313 struct mlx5_modify_hdr *mlx5_modify_header_alloc(struct mlx5_core_dev *dev,
314 u8 ns_type, u8 num_actions,
315 void *modify_actions);
316 void mlx5_modify_header_dealloc(struct mlx5_core_dev *dev,
317 struct mlx5_modify_hdr *modify_hdr);
318 struct mlx5_flow_definer *
319 mlx5_create_match_definer(struct mlx5_core_dev *dev,
320 enum mlx5_flow_namespace_type ns_type, u16 format_id,
322 void mlx5_destroy_match_definer(struct mlx5_core_dev *dev,
323 struct mlx5_flow_definer *definer);
324 int mlx5_get_match_definer_id(struct mlx5_flow_definer *definer);
326 struct mlx5_pkt_reformat_params {
334 struct mlx5_pkt_reformat *mlx5_packet_reformat_alloc(struct mlx5_core_dev *dev,
335 struct mlx5_pkt_reformat_params *params,
336 enum mlx5_flow_namespace_type ns_type);
337 void mlx5_packet_reformat_dealloc(struct mlx5_core_dev *dev,
338 struct mlx5_pkt_reformat *reformat);
340 u32 mlx5_flow_table_id(struct mlx5_flow_table *ft);