]> git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/blame - drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
net/mlx5e: Infrastructure for duplicated offloading of TC flows
[mirror_ubuntu-jammy-kernel.git] / drivers / net / ethernet / mellanox / mlx5 / core / eswitch.h
CommitLineData
073bb189
SM
1/*
2 * Copyright (c) 2015, Mellanox Technologies, Ltd. 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_ESWITCH_H__
34#define __MLX5_ESWITCH_H__
35
77256579
SM
36#include <linux/if_ether.h>
37#include <linux/if_link.h>
feae9087 38#include <net/devlink.h>
073bb189 39#include <linux/mlx5/device.h>
57cbd893 40#include <linux/mlx5/eswitch.h>
cc495188 41#include <linux/mlx5/fs.h>
eeb66cdb 42#include "lib/mpfs.h"
073bb189 43
e80541ec
SM
44#ifdef CONFIG_MLX5_ESWITCH
45
073bb189
SM
46#define MLX5_MAX_UC_PER_VPORT(dev) \
47 (1 << MLX5_CAP_GEN(dev, log_max_current_uc_list))
48
49#define MLX5_MAX_MC_PER_VPORT(dev) \
50 (1 << MLX5_CAP_GEN(dev, log_max_current_mc_list))
51
cb67b832
HHZ
52#define FDB_UPLINK_VPORT 0xffff
53
c9497c98
MHY
54#define MLX5_MIN_BW_SHARE 1
55
56#define MLX5_RATE_TO_BW_SHARE(rate, divider, limit) \
57 min_t(u32, max_t(u32, (rate) / (divider), MLX5_MIN_BW_SHARE), limit)
58
a842dd04
CM
59#define mlx5_esw_has_fwd_fdb(dev) \
60 MLX5_CAP_ESW_FLOWTABLE(dev, fdb_multi_path_to_table)
61
328edb49 62#define FDB_MAX_CHAIN 3
c92a0b94 63#define FDB_SLOW_PATH_CHAIN (FDB_MAX_CHAIN + 1)
328edb49
PB
64#define FDB_MAX_PRIO 16
65
5742df0f
MHY
66struct vport_ingress {
67 struct mlx5_flow_table *acl;
68 struct mlx5_flow_group *allow_untagged_spoofchk_grp;
69 struct mlx5_flow_group *allow_spoofchk_only_grp;
70 struct mlx5_flow_group *allow_untagged_only_grp;
71 struct mlx5_flow_group *drop_grp;
74491de9
MB
72 struct mlx5_flow_handle *allow_rule;
73 struct mlx5_flow_handle *drop_rule;
b8a0dbe3 74 struct mlx5_fc *drop_counter;
5742df0f
MHY
75};
76
77struct vport_egress {
78 struct mlx5_flow_table *acl;
79 struct mlx5_flow_group *allowed_vlans_grp;
80 struct mlx5_flow_group *drop_grp;
74491de9
MB
81 struct mlx5_flow_handle *allowed_vlan;
82 struct mlx5_flow_handle *drop_rule;
b8a0dbe3
EE
83 struct mlx5_fc *drop_counter;
84};
85
86struct mlx5_vport_drop_stats {
87 u64 rx_dropped;
88 u64 tx_dropped;
5742df0f
MHY
89};
90
1ab2068a
MHY
91struct mlx5_vport_info {
92 u8 mac[ETH_ALEN];
93 u16 vlan;
94 u8 qos;
95 u64 node_guid;
96 int link_state;
c9497c98 97 u32 min_rate;
1bd27b11 98 u32 max_rate;
1ab2068a
MHY
99 bool spoofchk;
100 bool trusted;
101};
102
073bb189
SM
103struct mlx5_vport {
104 struct mlx5_core_dev *dev;
105 int vport;
106 struct hlist_head uc_list[MLX5_L2_ADDR_HASH_SIZE];
81848731 107 struct hlist_head mc_list[MLX5_L2_ADDR_HASH_SIZE];
74491de9
MB
108 struct mlx5_flow_handle *promisc_rule;
109 struct mlx5_flow_handle *allmulti_rule;
073bb189
SM
110 struct work_struct vport_change_handler;
111
5742df0f
MHY
112 struct vport_ingress ingress;
113 struct vport_egress egress;
114
1ab2068a
MHY
115 struct mlx5_vport_info info;
116
1bd27b11
MHY
117 struct {
118 bool enabled;
119 u32 esw_tsar_ix;
c9497c98 120 u32 bw_share;
1bd27b11
MHY
121 } qos;
122
073bb189 123 bool enabled;
81848731 124 u16 enabled_events;
073bb189
SM
125};
126
e52c2802
PB
127enum offloads_fdb_flags {
128 ESW_FDB_CHAINS_AND_PRIOS_SUPPORTED = BIT(0),
129};
130
131extern const unsigned int ESW_POOLS[4];
132
133#define PRIO_LEVELS 2
81848731 134struct mlx5_eswitch_fdb {
6ab36e35
OG
135 union {
136 struct legacy_fdb {
52fff327 137 struct mlx5_flow_table *fdb;
6ab36e35
OG
138 struct mlx5_flow_group *addr_grp;
139 struct mlx5_flow_group *allmulti_grp;
140 struct mlx5_flow_group *promisc_grp;
141 } legacy;
69697b6e
OG
142
143 struct offloads_fdb {
52fff327 144 struct mlx5_flow_table *slow_fdb;
69697b6e 145 struct mlx5_flow_group *send_to_vport_grp;
ac004b83
RD
146 struct mlx5_flow_group *peer_miss_grp;
147 struct mlx5_flow_handle **peer_miss_rules;
69697b6e 148 struct mlx5_flow_group *miss_grp;
f80be543
MB
149 struct mlx5_flow_handle *miss_rule_uni;
150 struct mlx5_flow_handle *miss_rule_multi;
f5f82476 151 int vlan_push_pop_refcount;
e52c2802
PB
152
153 struct {
154 struct mlx5_flow_table *fdb;
155 u32 num_rules;
156 } fdb_prio[FDB_MAX_CHAIN + 1][FDB_MAX_PRIO + 1][PRIO_LEVELS];
157 /* Protects fdb_prio table */
158 struct mutex fdb_prio_lock;
159
160 int fdb_left[ARRAY_SIZE(ESW_POOLS)];
69697b6e 161 } offloads;
6ab36e35 162 };
e52c2802 163 u32 flags;
6ab36e35
OG
164};
165
c116c6ee
OG
166struct mlx5_esw_offload {
167 struct mlx5_flow_table *ft_offloads;
fed9ce22 168 struct mlx5_flow_group *vport_rx_group;
127ea380 169 struct mlx5_eswitch_rep *vport_reps;
04de7dda
RD
170 struct list_head peer_flows;
171 struct mutex peer_mutex;
a54e20b4 172 DECLARE_HASHTABLE(encap_tbl, 8);
11c9c548 173 DECLARE_HASHTABLE(mod_hdr_tbl, 8);
bffaa916 174 u8 inline_mode;
375f51e2 175 u64 num_flows;
7768d197 176 u8 encap;
c116c6ee
OG
177};
178
0a0ab1d2
EC
179/* E-Switch MC FDB table hash node */
180struct esw_mc_addr { /* SRIOV only */
181 struct l2addr_node node;
182 struct mlx5_flow_handle *uplink_rule; /* Forward to uplink rule */
183 u32 refcnt;
184};
185
073bb189
SM
186struct mlx5_eswitch {
187 struct mlx5_core_dev *dev;
6933a937 188 struct mlx5_nb nb;
81848731
SM
189 struct mlx5_eswitch_fdb fdb_table;
190 struct hlist_head mc_table[MLX5_L2_ADDR_HASH_SIZE];
073bb189
SM
191 struct workqueue_struct *work_queue;
192 struct mlx5_vport *vports;
193 int total_vports;
81848731 194 int enabled_vports;
dfcb1ed3
MHY
195 /* Synchronize between vport change events
196 * and async SRIOV admin state changes
197 */
198 struct mutex state_lock;
0a0ab1d2 199 struct esw_mc_addr mc_promisc;
1bd27b11
MHY
200
201 struct {
202 bool enabled;
203 u32 root_tsar_id;
204 } qos;
205
c116c6ee 206 struct mlx5_esw_offload offloads;
6ab36e35 207 int mode;
e52c2802 208 int nvports;
073bb189
SM
209};
210
766a0e97
BX
211void esw_offloads_cleanup(struct mlx5_eswitch *esw, int nvports);
212int esw_offloads_init(struct mlx5_eswitch *esw, int nvports);
e8d31c4d
MB
213void esw_offloads_cleanup_reps(struct mlx5_eswitch *esw);
214int esw_offloads_init_reps(struct mlx5_eswitch *esw);
766a0e97 215
073bb189
SM
216/* E-Switch API */
217int mlx5_eswitch_init(struct mlx5_core_dev *dev);
218void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw);
6ab36e35 219int mlx5_eswitch_enable_sriov(struct mlx5_eswitch *esw, int nvfs, int mode);
81848731 220void mlx5_eswitch_disable_sriov(struct mlx5_eswitch *esw);
77256579
SM
221int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw,
222 int vport, u8 mac[ETH_ALEN]);
223int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw,
224 int vport, int link_state);
9e7ea352
SM
225int mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
226 int vport, u16 vlan, u8 qos);
f942380c
MHY
227int mlx5_eswitch_set_vport_spoofchk(struct mlx5_eswitch *esw,
228 int vport, bool spoofchk);
1edc57e2
MHY
229int mlx5_eswitch_set_vport_trust(struct mlx5_eswitch *esw,
230 int vport_num, bool setting);
c9497c98
MHY
231int mlx5_eswitch_set_vport_rate(struct mlx5_eswitch *esw, int vport,
232 u32 max_rate, u32 min_rate);
77256579
SM
233int mlx5_eswitch_get_vport_config(struct mlx5_eswitch *esw,
234 int vport, struct ifla_vf_info *ivi);
3b751a2a
SM
235int mlx5_eswitch_get_vport_stats(struct mlx5_eswitch *esw,
236 int vport,
237 struct ifla_vf_stats *vf_stats);
159fe639 238void mlx5_eswitch_del_send_to_vport_rule(struct mlx5_flow_handle *rule);
073bb189 239
3d80d1a2 240struct mlx5_flow_spec;
776b12b6 241struct mlx5_esw_flow_attr;
3d80d1a2 242
74491de9 243struct mlx5_flow_handle *
3d80d1a2
OG
244mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw,
245 struct mlx5_flow_spec *spec,
776b12b6 246 struct mlx5_esw_flow_attr *attr);
e4ad91f2
CM
247struct mlx5_flow_handle *
248mlx5_eswitch_add_fwd_rule(struct mlx5_eswitch *esw,
249 struct mlx5_flow_spec *spec,
250 struct mlx5_esw_flow_attr *attr);
d85cdccb
OG
251void
252mlx5_eswitch_del_offloaded_rule(struct mlx5_eswitch *esw,
253 struct mlx5_flow_handle *rule,
254 struct mlx5_esw_flow_attr *attr);
48265006
OG
255void
256mlx5_eswitch_del_fwd_rule(struct mlx5_eswitch *esw,
257 struct mlx5_flow_handle *rule,
258 struct mlx5_esw_flow_attr *attr);
d85cdccb 259
e52c2802
PB
260bool
261mlx5_eswitch_prios_supported(struct mlx5_eswitch *esw);
262
263u16
264mlx5_eswitch_get_prio_range(struct mlx5_eswitch *esw);
265
266u32
267mlx5_eswitch_get_chain_range(struct mlx5_eswitch *esw);
268
74491de9 269struct mlx5_flow_handle *
c966f7d5
GT
270mlx5_eswitch_create_vport_rx_rule(struct mlx5_eswitch *esw, int vport,
271 struct mlx5_flow_destination *dest);
fed9ce22 272
e33dfe31
OG
273enum {
274 SET_VLAN_STRIP = BIT(0),
275 SET_VLAN_INSERT = BIT(1)
276};
277
d708f902
OG
278enum mlx5_flow_match_level {
279 MLX5_MATCH_NONE = MLX5_INLINE_MODE_NONE,
280 MLX5_MATCH_L2 = MLX5_INLINE_MODE_L2,
281 MLX5_MATCH_L3 = MLX5_INLINE_MODE_IP,
282 MLX5_MATCH_L4 = MLX5_INLINE_MODE_TCP_UDP,
283};
284
592d3651
CM
285/* current maximum for flow based vport multicasting */
286#define MLX5_MAX_FLOW_FWD_VPORTS 2
287
f493f155
EB
288enum {
289 MLX5_ESW_DEST_ENCAP = BIT(0),
8c4dc42b 290 MLX5_ESW_DEST_ENCAP_VALID = BIT(1),
f493f155
EB
291};
292
776b12b6
OG
293struct mlx5_esw_flow_attr {
294 struct mlx5_eswitch_rep *in_rep;
10ff5359 295 struct mlx5_core_dev *in_mdev;
776b12b6 296
e85e02ba 297 int split_count;
592d3651
CM
298 int out_count;
299
776b12b6 300 int action;
cc495188
JL
301 __be16 vlan_proto[MLX5_FS_VLAN_DEPTH];
302 u16 vlan_vid[MLX5_FS_VLAN_DEPTH];
303 u8 vlan_prio[MLX5_FS_VLAN_DEPTH];
304 u8 total_vlan;
f5f82476 305 bool vlan_handled;
df65a573 306 struct {
f493f155 307 u32 flags;
df65a573
EB
308 struct mlx5_eswitch_rep *rep;
309 struct mlx5_core_dev *mdev;
8c4dc42b 310 u32 encap_id;
df65a573 311 } dests[MLX5_MAX_FLOW_FWD_VPORTS];
d7e75a32 312 u32 mod_hdr_id;
38aa51c1 313 u8 match_level;
b8aee822 314 struct mlx5_fc *counter;
e52c2802
PB
315 u32 chain;
316 u16 prio;
317 u32 dest_chain;
232c0013 318 struct mlx5e_tc_flow_parse_attr *parse_attr;
776b12b6
OG
319};
320
db7ff19e
EB
321int mlx5_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode,
322 struct netlink_ext_ack *extack);
feae9087 323int mlx5_devlink_eswitch_mode_get(struct devlink *devlink, u16 *mode);
db7ff19e
EB
324int mlx5_devlink_eswitch_inline_mode_set(struct devlink *devlink, u8 mode,
325 struct netlink_ext_ack *extack);
bffaa916
RD
326int mlx5_devlink_eswitch_inline_mode_get(struct devlink *devlink, u8 *mode);
327int mlx5_eswitch_inline_mode_get(struct mlx5_eswitch *esw, int nvfs, u8 *mode);
db7ff19e
EB
328int mlx5_devlink_eswitch_encap_mode_set(struct devlink *devlink, u8 encap,
329 struct netlink_ext_ack *extack);
7768d197 330int mlx5_devlink_eswitch_encap_mode_get(struct devlink *devlink, u8 *encap);
a4b97ab4 331void *mlx5_eswitch_get_uplink_priv(struct mlx5_eswitch *esw, u8 rep_type);
feae9087 332
f5f82476
OG
333int mlx5_eswitch_add_vlan_action(struct mlx5_eswitch *esw,
334 struct mlx5_esw_flow_attr *attr);
335int mlx5_eswitch_del_vlan_action(struct mlx5_eswitch *esw,
336 struct mlx5_esw_flow_attr *attr);
337int __mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
338 int vport, u16 vlan, u8 qos, u8 set_flags);
339
cc495188
JL
340static inline bool mlx5_eswitch_vlan_actions_supported(struct mlx5_core_dev *dev,
341 u8 vlan_depth)
6acfbf38 342{
cc495188
JL
343 bool ret = MLX5_CAP_ESW_FLOWTABLE_FDB(dev, pop_vlan) &&
344 MLX5_CAP_ESW_FLOWTABLE_FDB(dev, push_vlan);
345
346 if (vlan_depth == 1)
347 return ret;
348
349 return ret && MLX5_CAP_ESW_FLOWTABLE_FDB(dev, pop_vlan_2) &&
350 MLX5_CAP_ESW_FLOWTABLE_FDB(dev, push_vlan_2);
6acfbf38
OG
351}
352
69697b6e
OG
353#define MLX5_DEBUG_ESWITCH_MASK BIT(3)
354
355#define esw_info(dev, format, ...) \
356 pr_info("(%s): E-Switch: " format, (dev)->priv.name, ##__VA_ARGS__)
357
358#define esw_warn(dev, format, ...) \
359 pr_warn("(%s): E-Switch: " format, (dev)->priv.name, ##__VA_ARGS__)
360
361#define esw_debug(dev, format, ...) \
362 mlx5_core_dbg_mask(dev, MLX5_DEBUG_ESWITCH_MASK, format, ##__VA_ARGS__)
e80541ec
SM
363#else /* CONFIG_MLX5_ESWITCH */
364/* eswitch API stubs */
365static inline int mlx5_eswitch_init(struct mlx5_core_dev *dev) { return 0; }
366static inline void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw) {}
e80541ec
SM
367static inline int mlx5_eswitch_enable_sriov(struct mlx5_eswitch *esw, int nvfs, int mode) { return 0; }
368static inline void mlx5_eswitch_disable_sriov(struct mlx5_eswitch *esw) {}
328edb49
PB
369
370#define FDB_MAX_CHAIN 1
c92a0b94 371#define FDB_SLOW_PATH_CHAIN (FDB_MAX_CHAIN + 1)
328edb49
PB
372#define FDB_MAX_PRIO 1
373
e80541ec
SM
374#endif /* CONFIG_MLX5_ESWITCH */
375
073bb189 376#endif /* __MLX5_ESWITCH_H__ */