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33#ifndef __MLX5_ESWITCH_H__
34#define __MLX5_ESWITCH_H__
35
36#include <linux/if_ether.h>
37#include <linux/if_link.h>
38#include <net/devlink.h>
39#include <linux/mlx5/device.h>
40#include "lib/mpfs.h"
41
42enum {
43 SRIOV_NONE,
44 SRIOV_LEGACY,
45 SRIOV_OFFLOADS
46};
47
48enum {
49 REP_ETH,
50 NUM_REP_TYPES,
51};
52
53#ifdef CONFIG_MLX5_ESWITCH
54
55#define MLX5_MAX_UC_PER_VPORT(dev) \
56 (1 << MLX5_CAP_GEN(dev, log_max_current_uc_list))
57
58#define MLX5_MAX_MC_PER_VPORT(dev) \
59 (1 << MLX5_CAP_GEN(dev, log_max_current_mc_list))
60
61#define FDB_UPLINK_VPORT 0xffff
62
63#define MLX5_MIN_BW_SHARE 1
64
65#define MLX5_RATE_TO_BW_SHARE(rate, divider, limit) \
66 min_t(u32, max_t(u32, (rate) / (divider), MLX5_MIN_BW_SHARE), limit)
67
68struct vport_ingress {
69 struct mlx5_flow_table *acl;
70 struct mlx5_flow_group *allow_untagged_spoofchk_grp;
71 struct mlx5_flow_group *allow_spoofchk_only_grp;
72 struct mlx5_flow_group *allow_untagged_only_grp;
73 struct mlx5_flow_group *drop_grp;
74 struct mlx5_flow_handle *allow_rule;
75 struct mlx5_flow_handle *drop_rule;
76 struct mlx5_fc *drop_counter;
77};
78
79struct vport_egress {
80 struct mlx5_flow_table *acl;
81 struct mlx5_flow_group *allowed_vlans_grp;
82 struct mlx5_flow_group *drop_grp;
83 struct mlx5_flow_handle *allowed_vlan;
84 struct mlx5_flow_handle *drop_rule;
85 struct mlx5_fc *drop_counter;
86};
87
88struct mlx5_vport_drop_stats {
89 u64 rx_dropped;
90 u64 tx_dropped;
91};
92
93struct mlx5_vport_info {
94 u8 mac[ETH_ALEN];
95 u16 vlan;
96 u8 qos;
97 u64 node_guid;
98 int link_state;
99 u32 min_rate;
100 u32 max_rate;
101 bool spoofchk;
102 bool trusted;
103};
104
105struct mlx5_vport {
106 struct mlx5_core_dev *dev;
107 int vport;
108 struct hlist_head uc_list[MLX5_L2_ADDR_HASH_SIZE];
109 struct hlist_head mc_list[MLX5_L2_ADDR_HASH_SIZE];
110 struct mlx5_flow_handle *promisc_rule;
111 struct mlx5_flow_handle *allmulti_rule;
112 struct work_struct vport_change_handler;
113
114 struct vport_ingress ingress;
115 struct vport_egress egress;
116
117 struct mlx5_vport_info info;
118
119 struct {
120 bool enabled;
121 u32 esw_tsar_ix;
122 u32 bw_share;
123 } qos;
124
125 bool enabled;
126 u16 enabled_events;
127};
128
129struct mlx5_eswitch_fdb {
130 void *fdb;
131 union {
132 struct legacy_fdb {
133 struct mlx5_flow_group *addr_grp;
134 struct mlx5_flow_group *allmulti_grp;
135 struct mlx5_flow_group *promisc_grp;
136 } legacy;
137
138 struct offloads_fdb {
139 struct mlx5_flow_table *fdb;
140 struct mlx5_flow_group *send_to_vport_grp;
141 struct mlx5_flow_group *miss_grp;
142 struct mlx5_flow_handle *miss_rule;
143 int vlan_push_pop_refcount;
144 } offloads;
145 };
146};
147
148struct mlx5_eswitch_rep;
149struct mlx5_eswitch_rep_if {
150 int (*load)(struct mlx5_core_dev *dev,
151 struct mlx5_eswitch_rep *rep);
152 void (*unload)(struct mlx5_eswitch_rep *rep);
153 void *priv;
154 bool valid;
155};
156
157struct mlx5_eswitch_rep {
158 struct mlx5_eswitch_rep_if rep_if[NUM_REP_TYPES];
159 u16 vport;
160 u8 hw_id[ETH_ALEN];
161 u16 vlan;
162 u32 vlan_refcount;
163};
164
165struct mlx5_esw_offload {
166 struct mlx5_flow_table *ft_offloads;
167 struct mlx5_flow_group *vport_rx_group;
168 struct mlx5_eswitch_rep *vport_reps;
169 DECLARE_HASHTABLE(encap_tbl, 8);
170 DECLARE_HASHTABLE(mod_hdr_tbl, 8);
171 u8 inline_mode;
172 u64 num_flows;
173 u8 encap;
174};
175
176
177struct esw_mc_addr {
178 struct l2addr_node node;
179 struct mlx5_flow_handle *uplink_rule;
180 u32 refcnt;
181};
182
183struct mlx5_eswitch {
184 struct mlx5_core_dev *dev;
185 struct mlx5_eswitch_fdb fdb_table;
186 struct hlist_head mc_table[MLX5_L2_ADDR_HASH_SIZE];
187 struct workqueue_struct *work_queue;
188 struct mlx5_vport *vports;
189 int total_vports;
190 int enabled_vports;
191
192
193
194 struct mutex state_lock;
195 struct esw_mc_addr mc_promisc;
196
197 struct {
198 bool enabled;
199 u32 root_tsar_id;
200 } qos;
201
202 struct mlx5_esw_offload offloads;
203 int mode;
204};
205
206void esw_offloads_cleanup(struct mlx5_eswitch *esw, int nvports);
207int esw_offloads_init(struct mlx5_eswitch *esw, int nvports);
208void esw_offloads_cleanup_reps(struct mlx5_eswitch *esw);
209int esw_offloads_init_reps(struct mlx5_eswitch *esw);
210
211
212int mlx5_eswitch_init(struct mlx5_core_dev *dev);
213void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw);
214void mlx5_eswitch_vport_event(struct mlx5_eswitch *esw, struct mlx5_eqe *eqe);
215int mlx5_eswitch_enable_sriov(struct mlx5_eswitch *esw, int nvfs, int mode);
216void mlx5_eswitch_disable_sriov(struct mlx5_eswitch *esw);
217int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw,
218 int vport, u8 mac[ETH_ALEN]);
219int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw,
220 int vport, int link_state);
221int mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
222 int vport, u16 vlan, u8 qos);
223int mlx5_eswitch_set_vport_spoofchk(struct mlx5_eswitch *esw,
224 int vport, bool spoofchk);
225int mlx5_eswitch_set_vport_trust(struct mlx5_eswitch *esw,
226 int vport_num, bool setting);
227int mlx5_eswitch_set_vport_rate(struct mlx5_eswitch *esw, int vport,
228 u32 max_rate, u32 min_rate);
229int mlx5_eswitch_get_vport_config(struct mlx5_eswitch *esw,
230 int vport, struct ifla_vf_info *ivi);
231int mlx5_eswitch_get_vport_stats(struct mlx5_eswitch *esw,
232 int vport,
233 struct ifla_vf_stats *vf_stats);
234struct mlx5_flow_handle *
235mlx5_eswitch_add_send_to_vport_rule(struct mlx5_eswitch *esw, int vport,
236 u32 sqn);
237void mlx5_eswitch_del_send_to_vport_rule(struct mlx5_flow_handle *rule);
238
239struct mlx5_flow_spec;
240struct mlx5_esw_flow_attr;
241
242struct mlx5_flow_handle *
243mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw,
244 struct mlx5_flow_spec *spec,
245 struct mlx5_esw_flow_attr *attr);
246void
247mlx5_eswitch_del_offloaded_rule(struct mlx5_eswitch *esw,
248 struct mlx5_flow_handle *rule,
249 struct mlx5_esw_flow_attr *attr);
250
251struct mlx5_flow_handle *
252mlx5_eswitch_create_vport_rx_rule(struct mlx5_eswitch *esw, int vport, u32 tirn);
253
254enum {
255 SET_VLAN_STRIP = BIT(0),
256 SET_VLAN_INSERT = BIT(1)
257};
258
259#define MLX5_FLOW_CONTEXT_ACTION_VLAN_POP 0x4000
260#define MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH 0x8000
261
262struct mlx5_esw_flow_attr {
263 struct mlx5_eswitch_rep *in_rep;
264 struct mlx5_eswitch_rep *out_rep;
265
266 int action;
267 u16 vlan;
268 bool vlan_handled;
269 u32 encap_id;
270 u32 mod_hdr_id;
271 struct mlx5e_tc_flow_parse_attr *parse_attr;
272};
273
274int mlx5_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode);
275int mlx5_devlink_eswitch_mode_get(struct devlink *devlink, u16 *mode);
276int mlx5_devlink_eswitch_inline_mode_set(struct devlink *devlink, u8 mode);
277int mlx5_devlink_eswitch_inline_mode_get(struct devlink *devlink, u8 *mode);
278int mlx5_eswitch_inline_mode_get(struct mlx5_eswitch *esw, int nvfs, u8 *mode);
279int mlx5_devlink_eswitch_encap_mode_set(struct devlink *devlink, u8 encap);
280int mlx5_devlink_eswitch_encap_mode_get(struct devlink *devlink, u8 *encap);
281void mlx5_eswitch_register_vport_rep(struct mlx5_eswitch *esw,
282 int vport_index,
283 struct mlx5_eswitch_rep_if *rep_if,
284 u8 rep_type);
285void mlx5_eswitch_unregister_vport_rep(struct mlx5_eswitch *esw,
286 int vport_index,
287 u8 rep_type);
288void *mlx5_eswitch_get_uplink_priv(struct mlx5_eswitch *esw, u8 rep_type);
289
290int mlx5_eswitch_add_vlan_action(struct mlx5_eswitch *esw,
291 struct mlx5_esw_flow_attr *attr);
292int mlx5_eswitch_del_vlan_action(struct mlx5_eswitch *esw,
293 struct mlx5_esw_flow_attr *attr);
294int __mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
295 int vport, u16 vlan, u8 qos, u8 set_flags);
296
297#define MLX5_DEBUG_ESWITCH_MASK BIT(3)
298
299#define esw_info(dev, format, ...) \
300 pr_info("(%s): E-Switch: " format, (dev)->priv.name, ##__VA_ARGS__)
301
302#define esw_warn(dev, format, ...) \
303 pr_warn("(%s): E-Switch: " format, (dev)->priv.name, ##__VA_ARGS__)
304
305#define esw_debug(dev, format, ...) \
306 mlx5_core_dbg_mask(dev, MLX5_DEBUG_ESWITCH_MASK, format, ##__VA_ARGS__)
307#else
308
309static inline int mlx5_eswitch_init(struct mlx5_core_dev *dev) { return 0; }
310static inline void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw) {}
311static inline void mlx5_eswitch_vport_event(struct mlx5_eswitch *esw, struct mlx5_eqe *eqe) {}
312static inline int mlx5_eswitch_enable_sriov(struct mlx5_eswitch *esw, int nvfs, int mode) { return 0; }
313static inline void mlx5_eswitch_disable_sriov(struct mlx5_eswitch *esw) {}
314#endif
315
316#endif
317
