2 * drivers/net/ethernet/mellanox/mlxsw/spectrum.h
3 * Copyright (c) 2015 Mellanox Technologies. All rights reserved.
4 * Copyright (c) 2015 Jiri Pirko <jiri@mellanox.com>
5 * Copyright (c) 2015 Ido Schimmel <idosch@mellanox.com>
6 * Copyright (c) 2015 Elad Raz <eladr@mellanox.com>
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the names of the copyright holders nor the names of its
17 * contributors may be used to endorse or promote products derived from
18 * this software without specific prior written permission.
20 * Alternatively, this software may be distributed under the terms of the
21 * GNU General Public License ("GPL") version 2 as published by the Free
22 * Software Foundation.
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
28 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34 * POSSIBILITY OF SUCH DAMAGE.
37 #ifndef _MLXSW_SPECTRUM_H
38 #define _MLXSW_SPECTRUM_H
40 #include <linux/types.h>
41 #include <linux/netdevice.h>
42 #include <linux/bitops.h>
43 #include <linux/if_vlan.h>
44 #include <linux/list.h>
45 #include <net/switchdev.h>
46 #include <net/devlink.h>
51 #define MLXSW_SP_VFID_BASE VLAN_N_VID
52 #define MLXSW_SP_VFID_PORT_MAX 512 /* Non-bridged VLAN interfaces */
53 #define MLXSW_SP_VFID_BR_MAX 8192 /* Bridged VLAN interfaces */
54 #define MLXSW_SP_VFID_MAX (MLXSW_SP_VFID_PORT_MAX + MLXSW_SP_VFID_BR_MAX)
56 #define MLXSW_SP_LAG_MAX 64
57 #define MLXSW_SP_PORT_PER_LAG_MAX 16
59 #define MLXSW_SP_MID_MAX 7000
61 #define MLXSW_SP_PORTS_PER_CLUSTER_MAX 4
63 #define MLXSW_SP_PORT_BASE_SPEED 25000 /* Mb/s */
67 struct mlxsw_sp_upper {
68 struct net_device *dev;
69 unsigned int ref_count;
72 struct mlxsw_sp_vfid {
73 struct list_head list;
75 u16 vfid; /* Starting at 0 */
76 struct net_device *br_dev;
81 struct list_head list;
82 unsigned char addr[ETH_ALEN];
85 unsigned int ref_count;
88 static inline u16 mlxsw_sp_vfid_to_fid(u16 vfid)
90 return MLXSW_SP_VFID_BASE + vfid;
93 static inline u16 mlxsw_sp_fid_to_vfid(u16 fid)
95 return fid - MLXSW_SP_VFID_BASE;
98 static inline bool mlxsw_sp_fid_is_vfid(u16 fid)
100 return fid >= MLXSW_SP_VFID_BASE;
105 struct list_head list;
106 unsigned long mapped[BITS_TO_LONGS(MLXSW_SP_VFID_PORT_MAX)];
109 struct list_head list;
110 unsigned long mapped[BITS_TO_LONGS(MLXSW_SP_VFID_BR_MAX)];
113 struct list_head list;
114 unsigned long mapped[BITS_TO_LONGS(MLXSW_SP_MID_MAX)];
116 unsigned long active_fids[BITS_TO_LONGS(VLAN_N_VID)];
117 struct mlxsw_sp_port **ports;
118 struct mlxsw_core *core;
119 const struct mlxsw_bus_info *bus_info;
120 unsigned char base_mac[ETH_ALEN];
122 struct delayed_work dw;
123 #define MLXSW_SP_DEFAULT_LEARNING_INTERVAL 100
124 unsigned int interval; /* ms */
126 #define MLXSW_SP_MIN_AGEING_TIME 10
127 #define MLXSW_SP_MAX_AGEING_TIME 1000000
128 #define MLXSW_SP_DEFAULT_AGEING_TIME 300
130 struct mlxsw_sp_upper master_bridge;
131 struct mlxsw_sp_upper lags[MLXSW_SP_LAG_MAX];
132 u8 port_to_module[MLXSW_PORT_MAX_PORTS];
135 static inline struct mlxsw_sp_upper *
136 mlxsw_sp_lag_get(struct mlxsw_sp *mlxsw_sp, u16 lag_id)
138 return &mlxsw_sp->lags[lag_id];
141 struct mlxsw_sp_port_pcpu_stats {
146 struct u64_stats_sync syncp;
150 struct mlxsw_sp_port {
151 struct net_device *dev;
152 struct mlxsw_sp_port_pcpu_stats __percpu *pcpu_stats;
153 struct mlxsw_sp *mlxsw_sp;
165 struct list_head list;
166 struct mlxsw_sp_vfid *vfid;
169 /* 802.1Q bridge VLANs */
170 unsigned long *active_vlans;
171 unsigned long *untagged_vlans;
172 /* VLAN interfaces */
173 struct list_head vports_list;
174 struct devlink_port devlink_port;
177 static inline struct mlxsw_sp_port *
178 mlxsw_sp_port_lagged_get(struct mlxsw_sp *mlxsw_sp, u16 lag_id, u8 port_index)
180 struct mlxsw_sp_port *mlxsw_sp_port;
183 local_port = mlxsw_core_lag_mapping_get(mlxsw_sp->core,
185 mlxsw_sp_port = mlxsw_sp->ports[local_port];
186 return mlxsw_sp_port && mlxsw_sp_port->lagged ? mlxsw_sp_port : NULL;
190 mlxsw_sp_port_is_vport(const struct mlxsw_sp_port *mlxsw_sp_port)
192 return mlxsw_sp_port->vport.vfid;
195 static inline struct net_device *
196 mlxsw_sp_vport_br_get(const struct mlxsw_sp_port *mlxsw_sp_vport)
198 return mlxsw_sp_vport->vport.vfid->br_dev;
202 mlxsw_sp_vport_vid_get(const struct mlxsw_sp_port *mlxsw_sp_vport)
204 return mlxsw_sp_vport->vport.vid;
208 mlxsw_sp_vport_vfid_get(const struct mlxsw_sp_port *mlxsw_sp_vport)
210 return mlxsw_sp_vport->vport.vfid->vfid;
213 static inline struct mlxsw_sp_port *
214 mlxsw_sp_port_vport_find(const struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
216 struct mlxsw_sp_port *mlxsw_sp_vport;
218 list_for_each_entry(mlxsw_sp_vport, &mlxsw_sp_port->vports_list,
220 if (mlxsw_sp_vport_vid_get(mlxsw_sp_vport) == vid)
221 return mlxsw_sp_vport;
227 static inline struct mlxsw_sp_port *
228 mlxsw_sp_port_vport_find_by_vfid(const struct mlxsw_sp_port *mlxsw_sp_port,
231 struct mlxsw_sp_port *mlxsw_sp_vport;
233 list_for_each_entry(mlxsw_sp_vport, &mlxsw_sp_port->vports_list,
235 if (mlxsw_sp_vport_vfid_get(mlxsw_sp_vport) == vfid)
236 return mlxsw_sp_vport;
242 enum mlxsw_sp_flood_table {
243 MLXSW_SP_FLOOD_TABLE_UC,
244 MLXSW_SP_FLOOD_TABLE_BM,
247 int mlxsw_sp_buffers_init(struct mlxsw_sp *mlxsw_sp);
248 int mlxsw_sp_port_buffers_init(struct mlxsw_sp_port *mlxsw_sp_port);
250 int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp);
251 void mlxsw_sp_switchdev_fini(struct mlxsw_sp *mlxsw_sp);
252 int mlxsw_sp_port_vlan_init(struct mlxsw_sp_port *mlxsw_sp_port);
253 void mlxsw_sp_port_switchdev_init(struct mlxsw_sp_port *mlxsw_sp_port);
254 void mlxsw_sp_port_switchdev_fini(struct mlxsw_sp_port *mlxsw_sp_port);
255 int mlxsw_sp_port_vid_to_fid_set(struct mlxsw_sp_port *mlxsw_sp_port,
256 enum mlxsw_reg_svfa_mt mt, bool valid, u16 fid,
258 int mlxsw_sp_port_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid_begin,
259 u16 vid_end, bool is_member, bool untagged);
260 int mlxsw_sp_port_add_vid(struct net_device *dev, __be16 __always_unused proto,
262 int mlxsw_sp_port_kill_vid(struct net_device *dev,
263 __be16 __always_unused proto, u16 vid);
264 int mlxsw_sp_vport_flood_set(struct mlxsw_sp_port *mlxsw_sp_vport, u16 vfid,
265 bool set, bool only_uc);
266 void mlxsw_sp_port_active_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port);
267 int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid);