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>
49 #define MLXSW_SP_VFID_BASE VLAN_N_VID
50 #define MLXSW_SP_VFID_PORT_MAX 512 /* Non-bridged VLAN interfaces */
51 #define MLXSW_SP_VFID_BR_MAX 8192 /* Bridged VLAN interfaces */
52 #define MLXSW_SP_VFID_MAX (MLXSW_SP_VFID_PORT_MAX + MLXSW_SP_VFID_BR_MAX)
54 #define MLXSW_SP_LAG_MAX 64
55 #define MLXSW_SP_PORT_PER_LAG_MAX 16
59 struct mlxsw_sp_upper {
60 struct net_device *dev;
61 unsigned int ref_count;
64 struct mlxsw_sp_vfid {
65 struct list_head list;
67 u16 vfid; /* Starting at 0 */
68 struct net_device *br_dev;
72 static inline u16 mlxsw_sp_vfid_to_fid(u16 vfid)
74 return MLXSW_SP_VFID_BASE + vfid;
77 static inline u16 mlxsw_sp_fid_to_vfid(u16 fid)
79 return fid - MLXSW_SP_VFID_BASE;
82 static inline bool mlxsw_sp_fid_is_vfid(u16 fid)
84 return fid >= MLXSW_SP_VFID_BASE;
89 struct list_head list;
90 unsigned long mapped[BITS_TO_LONGS(MLXSW_SP_VFID_PORT_MAX)];
93 struct list_head list;
94 unsigned long mapped[BITS_TO_LONGS(MLXSW_SP_VFID_BR_MAX)];
96 unsigned long active_fids[BITS_TO_LONGS(VLAN_N_VID)];
97 struct mlxsw_sp_port **ports;
98 struct mlxsw_core *core;
99 const struct mlxsw_bus_info *bus_info;
100 unsigned char base_mac[ETH_ALEN];
102 struct delayed_work dw;
103 #define MLXSW_SP_DEFAULT_LEARNING_INTERVAL 100
104 unsigned int interval; /* ms */
106 #define MLXSW_SP_DEFAULT_AGEING_TIME 300
108 struct mlxsw_sp_upper master_bridge;
109 struct mlxsw_sp_upper lags[MLXSW_SP_LAG_MAX];
112 static inline struct mlxsw_sp_upper *
113 mlxsw_sp_lag_get(struct mlxsw_sp *mlxsw_sp, u16 lag_id)
115 return &mlxsw_sp->lags[lag_id];
118 struct mlxsw_sp_port_pcpu_stats {
123 struct u64_stats_sync syncp;
127 struct mlxsw_sp_port {
128 struct net_device *dev;
129 struct mlxsw_sp_port_pcpu_stats __percpu *pcpu_stats;
130 struct mlxsw_sp *mlxsw_sp;
141 struct list_head list;
142 struct mlxsw_sp_vfid *vfid;
145 /* 802.1Q bridge VLANs */
146 unsigned long *active_vlans;
147 /* VLAN interfaces */
148 struct list_head vports_list;
151 static inline struct mlxsw_sp_port *
152 mlxsw_sp_port_lagged_get(struct mlxsw_sp *mlxsw_sp, u16 lag_id, u8 port_index)
154 struct mlxsw_sp_port *mlxsw_sp_port;
157 local_port = mlxsw_core_lag_mapping_get(mlxsw_sp->core,
159 mlxsw_sp_port = mlxsw_sp->ports[local_port];
160 return mlxsw_sp_port && mlxsw_sp_port->lagged ? mlxsw_sp_port : NULL;
164 mlxsw_sp_port_is_vport(const struct mlxsw_sp_port *mlxsw_sp_port)
166 return mlxsw_sp_port->vport.vfid;
169 static inline struct net_device *
170 mlxsw_sp_vport_br_get(const struct mlxsw_sp_port *mlxsw_sp_vport)
172 return mlxsw_sp_vport->vport.vfid->br_dev;
176 mlxsw_sp_vport_vid_get(const struct mlxsw_sp_port *mlxsw_sp_vport)
178 return mlxsw_sp_vport->vport.vid;
182 mlxsw_sp_vport_vfid_get(const struct mlxsw_sp_port *mlxsw_sp_vport)
184 return mlxsw_sp_vport->vport.vfid->vfid;
187 static inline struct mlxsw_sp_port *
188 mlxsw_sp_port_vport_find(const struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
190 struct mlxsw_sp_port *mlxsw_sp_vport;
192 list_for_each_entry(mlxsw_sp_vport, &mlxsw_sp_port->vports_list,
194 if (mlxsw_sp_vport_vid_get(mlxsw_sp_vport) == vid)
195 return mlxsw_sp_vport;
201 static inline struct mlxsw_sp_port *
202 mlxsw_sp_port_vport_find_by_vfid(const struct mlxsw_sp_port *mlxsw_sp_port,
205 struct mlxsw_sp_port *mlxsw_sp_vport;
207 list_for_each_entry(mlxsw_sp_vport, &mlxsw_sp_port->vports_list,
209 if (mlxsw_sp_vport_vfid_get(mlxsw_sp_vport) == vfid)
210 return mlxsw_sp_vport;
216 enum mlxsw_sp_flood_table {
217 MLXSW_SP_FLOOD_TABLE_UC,
218 MLXSW_SP_FLOOD_TABLE_BM,
221 int mlxsw_sp_buffers_init(struct mlxsw_sp *mlxsw_sp);
222 int mlxsw_sp_port_buffers_init(struct mlxsw_sp_port *mlxsw_sp_port);
224 int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp);
225 void mlxsw_sp_switchdev_fini(struct mlxsw_sp *mlxsw_sp);
226 int mlxsw_sp_port_vlan_init(struct mlxsw_sp_port *mlxsw_sp_port);
227 void mlxsw_sp_port_switchdev_init(struct mlxsw_sp_port *mlxsw_sp_port);
228 void mlxsw_sp_port_switchdev_fini(struct mlxsw_sp_port *mlxsw_sp_port);
229 int mlxsw_sp_port_vid_to_fid_set(struct mlxsw_sp_port *mlxsw_sp_port,
230 enum mlxsw_reg_svfa_mt mt, bool valid, u16 fid,
232 int mlxsw_sp_port_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid_begin,
233 u16 vid_end, bool is_member, bool untagged);
234 int mlxsw_sp_port_add_vid(struct net_device *dev, __be16 __always_unused proto,
236 int mlxsw_sp_port_kill_vid(struct net_device *dev,
237 __be16 __always_unused proto, u16 vid);
238 int mlxsw_sp_vport_flood_set(struct mlxsw_sp_port *mlxsw_sp_vport, u16 vfid,
239 bool set, bool only_uc);