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
42 MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO = 1 << 16,
43 MLX5_FLOW_CONTEXT_ACTION_ENCRYPT = 1 << 17,
44 MLX5_FLOW_CONTEXT_ACTION_DECRYPT = 1 << 18,
48 MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT = BIT(0),
49 MLX5_FLOW_TABLE_TUNNEL_EN_DECAP = BIT(1),
50 MLX5_FLOW_TABLE_TERMINATION = BIT(2),
51 MLX5_FLOW_TABLE_UNMANAGED = BIT(3),
54 #define LEFTOVERS_RULE_NUM 2
55 static inline void build_leftovers_ft_param(int *priority,
59 *priority = 0; /* Priority of leftovers_prio-0 */
60 *n_ent = LEFTOVERS_RULE_NUM;
61 *n_grp = LEFTOVERS_RULE_NUM;
64 enum mlx5_flow_namespace_type {
65 MLX5_FLOW_NAMESPACE_BYPASS,
66 MLX5_FLOW_NAMESPACE_LAG,
67 MLX5_FLOW_NAMESPACE_OFFLOADS,
68 MLX5_FLOW_NAMESPACE_ETHTOOL,
69 MLX5_FLOW_NAMESPACE_KERNEL,
70 MLX5_FLOW_NAMESPACE_LEFTOVERS,
71 MLX5_FLOW_NAMESPACE_ANCHOR,
72 MLX5_FLOW_NAMESPACE_FDB,
73 MLX5_FLOW_NAMESPACE_ESW_EGRESS,
74 MLX5_FLOW_NAMESPACE_ESW_INGRESS,
75 MLX5_FLOW_NAMESPACE_SNIFFER_RX,
76 MLX5_FLOW_NAMESPACE_SNIFFER_TX,
77 MLX5_FLOW_NAMESPACE_EGRESS,
78 MLX5_FLOW_NAMESPACE_RDMA_RX,
79 MLX5_FLOW_NAMESPACE_RDMA_RX_KERNEL,
80 MLX5_FLOW_NAMESPACE_RDMA_TX,
91 struct mlx5_pkt_reformat;
92 struct mlx5_modify_hdr;
93 struct mlx5_flow_table;
94 struct mlx5_flow_group;
95 struct mlx5_flow_namespace;
96 struct mlx5_flow_handle;
99 FLOW_CONTEXT_HAS_TAG = BIT(0),
102 struct mlx5_flow_context {
108 struct mlx5_flow_spec {
109 u8 match_criteria_enable;
110 u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)];
111 u32 match_value[MLX5_ST_SZ_DW(fte_match_param)];
112 struct mlx5_flow_context flow_context;
116 MLX5_FLOW_DEST_VPORT_VHCA_ID = BIT(0),
117 MLX5_FLOW_DEST_VPORT_REFORMAT_ID = BIT(1),
120 struct mlx5_flow_destination {
121 enum mlx5_flow_destination_type type;
125 struct mlx5_flow_table *ft;
130 struct mlx5_pkt_reformat *pkt_reformat;
137 struct mutex lock; /* protects hlist */
138 DECLARE_HASHTABLE(hlist, 8);
141 struct mlx5_flow_namespace *
142 mlx5_get_fdb_sub_ns(struct mlx5_core_dev *dev, int n);
143 struct mlx5_flow_namespace *
144 mlx5_get_flow_namespace(struct mlx5_core_dev *dev,
145 enum mlx5_flow_namespace_type type);
146 struct mlx5_flow_namespace *
147 mlx5_get_flow_vport_acl_namespace(struct mlx5_core_dev *dev,
148 enum mlx5_flow_namespace_type type,
151 struct mlx5_flow_table_attr {
156 struct mlx5_flow_table *next_ft;
160 int num_reserved_entries;
164 struct mlx5_flow_table *
165 mlx5_create_flow_table(struct mlx5_flow_namespace *ns,
166 struct mlx5_flow_table_attr *ft_attr);
168 struct mlx5_flow_table *
169 mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns,
170 struct mlx5_flow_table_attr *ft_attr);
172 struct mlx5_flow_table *
173 mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns,
175 int num_flow_table_entries,
176 u32 level, u16 vport);
177 struct mlx5_flow_table *mlx5_create_lag_demux_flow_table(
178 struct mlx5_flow_namespace *ns,
179 int prio, u32 level);
180 int mlx5_destroy_flow_table(struct mlx5_flow_table *ft);
182 /* inbox should be set with the following values:
185 * match_criteria_enable
188 struct mlx5_flow_group *
189 mlx5_create_flow_group(struct mlx5_flow_table *ft, u32 *in);
190 void mlx5_destroy_flow_group(struct mlx5_flow_group *fg);
192 struct mlx5_fs_vlan {
198 #define MLX5_FS_VLAN_DEPTH 2
201 FLOW_ACT_NO_APPEND = BIT(0),
202 FLOW_ACT_IGNORE_FLOW_LEVEL = BIT(1),
205 struct mlx5_flow_act {
207 struct mlx5_modify_hdr *modify_hdr;
208 struct mlx5_pkt_reformat *pkt_reformat;
211 struct mlx5_fs_vlan vlan[MLX5_FS_VLAN_DEPTH];
212 struct ib_counters *counters;
215 #define MLX5_DECLARE_FLOW_ACT(name) \
216 struct mlx5_flow_act name = { .action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST,\
219 /* Single destination per rule.
220 * Group ID is implied by the match criteria.
222 struct mlx5_flow_handle *
223 mlx5_add_flow_rules(struct mlx5_flow_table *ft,
224 const struct mlx5_flow_spec *spec,
225 struct mlx5_flow_act *flow_act,
226 struct mlx5_flow_destination *dest,
228 void mlx5_del_flow_rules(struct mlx5_flow_handle *fr);
230 int mlx5_modify_rule_destination(struct mlx5_flow_handle *handler,
231 struct mlx5_flow_destination *new_dest,
232 struct mlx5_flow_destination *old_dest);
234 struct mlx5_fc *mlx5_fc_create(struct mlx5_core_dev *dev, bool aging);
235 void mlx5_fc_destroy(struct mlx5_core_dev *dev, struct mlx5_fc *counter);
236 u64 mlx5_fc_query_lastuse(struct mlx5_fc *counter);
237 void mlx5_fc_query_cached(struct mlx5_fc *counter,
238 u64 *bytes, u64 *packets, u64 *lastuse);
239 int mlx5_fc_query(struct mlx5_core_dev *dev, struct mlx5_fc *counter,
240 u64 *packets, u64 *bytes);
241 u32 mlx5_fc_id(struct mlx5_fc *counter);
243 int mlx5_fs_add_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn);
244 int mlx5_fs_remove_rx_underlay_qpn(struct mlx5_core_dev *dev, u32 underlay_qpn);
246 struct mlx5_modify_hdr *mlx5_modify_header_alloc(struct mlx5_core_dev *dev,
247 u8 ns_type, u8 num_actions,
248 void *modify_actions);
249 void mlx5_modify_header_dealloc(struct mlx5_core_dev *dev,
250 struct mlx5_modify_hdr *modify_hdr);
252 struct mlx5_pkt_reformat *mlx5_packet_reformat_alloc(struct mlx5_core_dev *dev,
256 enum mlx5_flow_namespace_type ns_type);
257 void mlx5_packet_reformat_dealloc(struct mlx5_core_dev *dev,
258 struct mlx5_pkt_reformat *reformat);