2 * Copyright (c) 2015, Mellanox Technologies, Ltd. 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
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29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 #ifndef __MLX5_ESWITCH_H__
34 #define __MLX5_ESWITCH_H__
36 #include <linux/if_ether.h>
37 #include <linux/if_link.h>
38 #include <net/devlink.h>
39 #include <linux/mlx5/device.h>
48 #ifdef CONFIG_MLX5_ESWITCH
50 #define MLX5_MAX_UC_PER_VPORT(dev) \
51 (1 << MLX5_CAP_GEN(dev, log_max_current_uc_list))
53 #define MLX5_MAX_MC_PER_VPORT(dev) \
54 (1 << MLX5_CAP_GEN(dev, log_max_current_mc_list))
56 #define FDB_UPLINK_VPORT 0xffff
58 #define MLX5_MIN_BW_SHARE 1
60 #define MLX5_RATE_TO_BW_SHARE(rate, divider, limit) \
61 min_t(u32, max_t(u32, (rate) / (divider), MLX5_MIN_BW_SHARE), limit)
63 struct vport_ingress {
64 struct mlx5_flow_table *acl;
65 struct mlx5_flow_group *allow_untagged_spoofchk_grp;
66 struct mlx5_flow_group *allow_spoofchk_only_grp;
67 struct mlx5_flow_group *allow_untagged_only_grp;
68 struct mlx5_flow_group *drop_grp;
69 struct mlx5_flow_handle *allow_rule;
70 struct mlx5_flow_handle *drop_rule;
74 struct mlx5_flow_table *acl;
75 struct mlx5_flow_group *allowed_vlans_grp;
76 struct mlx5_flow_group *drop_grp;
77 struct mlx5_flow_handle *allowed_vlan;
78 struct mlx5_flow_handle *drop_rule;
81 struct mlx5_vport_info {
94 struct mlx5_core_dev *dev;
96 struct hlist_head uc_list[MLX5_L2_ADDR_HASH_SIZE];
97 struct hlist_head mc_list[MLX5_L2_ADDR_HASH_SIZE];
98 struct mlx5_flow_handle *promisc_rule;
99 struct mlx5_flow_handle *allmulti_rule;
100 struct work_struct vport_change_handler;
102 struct vport_ingress ingress;
103 struct vport_egress egress;
105 struct mlx5_vport_info info;
117 struct mlx5_eswitch_fdb {
121 struct mlx5_flow_group *addr_grp;
122 struct mlx5_flow_group *allmulti_grp;
123 struct mlx5_flow_group *promisc_grp;
126 struct offloads_fdb {
127 struct mlx5_flow_table *fdb;
128 struct mlx5_flow_group *send_to_vport_grp;
129 struct mlx5_flow_group *miss_grp;
130 struct mlx5_flow_handle *miss_rule;
131 int vlan_push_pop_refcount;
137 struct mlx5_flow_handle *send_to_vport_rule;
138 struct list_head list;
141 struct mlx5_eswitch_rep {
142 int (*load)(struct mlx5_eswitch *esw,
143 struct mlx5_eswitch_rep *rep);
144 void (*unload)(struct mlx5_eswitch *esw,
145 struct mlx5_eswitch_rep *rep);
148 struct net_device *netdev;
150 struct mlx5_flow_handle *vport_rx_rule;
151 struct list_head vport_sqs_list;
157 struct mlx5_esw_offload {
158 struct mlx5_flow_table *ft_offloads;
159 struct mlx5_flow_group *vport_rx_group;
160 struct mlx5_eswitch_rep *vport_reps;
161 DECLARE_HASHTABLE(encap_tbl, 8);
162 DECLARE_HASHTABLE(mod_hdr_tbl, 8);
168 /* E-Switch MC FDB table hash node */
169 struct esw_mc_addr { /* SRIOV only */
170 struct l2addr_node node;
171 struct mlx5_flow_handle *uplink_rule; /* Forward to uplink rule */
175 struct mlx5_eswitch {
176 struct mlx5_core_dev *dev;
177 struct mlx5_eswitch_fdb fdb_table;
178 struct hlist_head mc_table[MLX5_L2_ADDR_HASH_SIZE];
179 struct workqueue_struct *work_queue;
180 struct mlx5_vport *vports;
183 /* Synchronize between vport change events
184 * and async SRIOV admin state changes
186 struct mutex state_lock;
187 struct esw_mc_addr mc_promisc;
194 struct mlx5_esw_offload offloads;
198 void esw_offloads_cleanup(struct mlx5_eswitch *esw, int nvports);
199 int esw_offloads_init(struct mlx5_eswitch *esw, int nvports);
202 int mlx5_eswitch_init(struct mlx5_core_dev *dev);
203 void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw);
204 void mlx5_eswitch_vport_event(struct mlx5_eswitch *esw, struct mlx5_eqe *eqe);
205 int mlx5_eswitch_enable_sriov(struct mlx5_eswitch *esw, int nvfs, int mode);
206 void mlx5_eswitch_disable_sriov(struct mlx5_eswitch *esw);
207 int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw,
208 int vport, u8 mac[ETH_ALEN]);
209 int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw,
210 int vport, int link_state);
211 int mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
212 int vport, u16 vlan, u8 qos);
213 int mlx5_eswitch_set_vport_spoofchk(struct mlx5_eswitch *esw,
214 int vport, bool spoofchk);
215 int mlx5_eswitch_set_vport_trust(struct mlx5_eswitch *esw,
216 int vport_num, bool setting);
217 int mlx5_eswitch_set_vport_rate(struct mlx5_eswitch *esw, int vport,
218 u32 max_rate, u32 min_rate);
219 int mlx5_eswitch_get_vport_config(struct mlx5_eswitch *esw,
220 int vport, struct ifla_vf_info *ivi);
221 int mlx5_eswitch_get_vport_stats(struct mlx5_eswitch *esw,
223 struct ifla_vf_stats *vf_stats);
225 struct mlx5_flow_spec;
226 struct mlx5_esw_flow_attr;
228 struct mlx5_flow_handle *
229 mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw,
230 struct mlx5_flow_spec *spec,
231 struct mlx5_esw_flow_attr *attr);
233 mlx5_eswitch_del_offloaded_rule(struct mlx5_eswitch *esw,
234 struct mlx5_flow_handle *rule,
235 struct mlx5_esw_flow_attr *attr);
237 struct mlx5_flow_handle *
238 mlx5_eswitch_create_vport_rx_rule(struct mlx5_eswitch *esw, int vport, u32 tirn);
241 SET_VLAN_STRIP = BIT(0),
242 SET_VLAN_INSERT = BIT(1)
245 #define MLX5_FLOW_CONTEXT_ACTION_VLAN_POP 0x4000
246 #define MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH 0x8000
248 struct mlx5_esw_flow_attr {
249 struct mlx5_eswitch_rep *in_rep;
250 struct mlx5_eswitch_rep *out_rep;
257 struct mlx5e_tc_flow_parse_attr *parse_attr;
260 int mlx5_eswitch_sqs2vport_start(struct mlx5_eswitch *esw,
261 struct mlx5_eswitch_rep *rep,
262 u16 *sqns_array, int sqns_num);
263 void mlx5_eswitch_sqs2vport_stop(struct mlx5_eswitch *esw,
264 struct mlx5_eswitch_rep *rep);
266 int mlx5_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode);
267 int mlx5_devlink_eswitch_mode_get(struct devlink *devlink, u16 *mode);
268 int mlx5_devlink_eswitch_inline_mode_set(struct devlink *devlink, u8 mode);
269 int mlx5_devlink_eswitch_inline_mode_get(struct devlink *devlink, u8 *mode);
270 int mlx5_eswitch_inline_mode_get(struct mlx5_eswitch *esw, int nvfs, u8 *mode);
271 int mlx5_devlink_eswitch_encap_mode_set(struct devlink *devlink, u8 encap);
272 int mlx5_devlink_eswitch_encap_mode_get(struct devlink *devlink, u8 *encap);
273 void mlx5_eswitch_register_vport_rep(struct mlx5_eswitch *esw,
275 struct mlx5_eswitch_rep *rep);
276 void mlx5_eswitch_unregister_vport_rep(struct mlx5_eswitch *esw,
278 struct net_device *mlx5_eswitch_get_uplink_netdev(struct mlx5_eswitch *esw);
280 int mlx5_eswitch_add_vlan_action(struct mlx5_eswitch *esw,
281 struct mlx5_esw_flow_attr *attr);
282 int mlx5_eswitch_del_vlan_action(struct mlx5_eswitch *esw,
283 struct mlx5_esw_flow_attr *attr);
284 int __mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
285 int vport, u16 vlan, u8 qos, u8 set_flags);
287 #define MLX5_DEBUG_ESWITCH_MASK BIT(3)
289 #define esw_info(dev, format, ...) \
290 pr_info("(%s): E-Switch: " format, (dev)->priv.name, ##__VA_ARGS__)
292 #define esw_warn(dev, format, ...) \
293 pr_warn("(%s): E-Switch: " format, (dev)->priv.name, ##__VA_ARGS__)
295 #define esw_debug(dev, format, ...) \
296 mlx5_core_dbg_mask(dev, MLX5_DEBUG_ESWITCH_MASK, format, ##__VA_ARGS__)
297 #else /* CONFIG_MLX5_ESWITCH */
298 /* eswitch API stubs */
299 static inline int mlx5_eswitch_init(struct mlx5_core_dev *dev) { return 0; }
300 static inline void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw) {}
301 static inline void mlx5_eswitch_vport_event(struct mlx5_eswitch *esw, struct mlx5_eqe *eqe) {}
302 static inline int mlx5_eswitch_enable_sriov(struct mlx5_eswitch *esw, int nvfs, int mode) { return 0; }
303 static inline void mlx5_eswitch_disable_sriov(struct mlx5_eswitch *esw) {}
304 #endif /* CONFIG_MLX5_ESWITCH */
306 #endif /* __MLX5_ESWITCH_H__ */