blob: df279fc81c2e3167cda5bb9aefe8366368cf3206 [file] [log] [blame]
Jiri Pirko56ade8f2015-10-16 14:01:37 +02001/*
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>
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are met:
10 *
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.
19 *
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.
23 *
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.
35 */
36
37#ifndef _MLXSW_SPECTRUM_H
38#define _MLXSW_SPECTRUM_H
39
40#include <linux/types.h>
41#include <linux/netdevice.h>
42#include <linux/bitops.h>
43#include <linux/if_vlan.h>
Ido Schimmel7f71eb42015-12-15 16:03:37 +010044#include <linux/list.h>
Jiri Pirko56ade8f2015-10-16 14:01:37 +020045#include <net/switchdev.h>
46
Elad Raz3a49b4f2016-01-10 21:06:28 +010047#include "port.h"
Jiri Pirko56ade8f2015-10-16 14:01:37 +020048#include "core.h"
49
50#define MLXSW_SP_VFID_BASE VLAN_N_VID
Ido Schimmel7f71eb42015-12-15 16:03:37 +010051#define MLXSW_SP_VFID_PORT_MAX 512 /* Non-bridged VLAN interfaces */
52#define MLXSW_SP_VFID_BR_MAX 8192 /* Bridged VLAN interfaces */
53#define MLXSW_SP_VFID_MAX (MLXSW_SP_VFID_PORT_MAX + MLXSW_SP_VFID_BR_MAX)
54
Jiri Pirko0d65fc12015-12-03 12:12:28 +010055#define MLXSW_SP_LAG_MAX 64
56#define MLXSW_SP_PORT_PER_LAG_MAX 16
Jiri Pirko56ade8f2015-10-16 14:01:37 +020057
Elad Raz53ae6282016-01-10 21:06:26 +010058#define MLXSW_SP_MID_MAX 7000
59
Jiri Pirko56ade8f2015-10-16 14:01:37 +020060struct mlxsw_sp_port;
61
Jiri Pirko0d65fc12015-12-03 12:12:28 +010062struct mlxsw_sp_upper {
63 struct net_device *dev;
64 unsigned int ref_count;
65};
66
Ido Schimmel7f71eb42015-12-15 16:03:37 +010067struct mlxsw_sp_vfid {
68 struct list_head list;
69 u16 nr_vports;
70 u16 vfid; /* Starting at 0 */
Ido Schimmel26f0e7f2015-12-15 16:03:44 +010071 struct net_device *br_dev;
Ido Schimmel7f71eb42015-12-15 16:03:37 +010072 u16 vid;
73};
74
Elad Raz3a49b4f2016-01-10 21:06:28 +010075struct mlxsw_sp_mid {
76 struct list_head list;
77 unsigned char addr[ETH_ALEN];
78 u16 vid;
79 u16 mid;
80 unsigned int ref_count;
81};
82
Ido Schimmel7f71eb42015-12-15 16:03:37 +010083static inline u16 mlxsw_sp_vfid_to_fid(u16 vfid)
84{
85 return MLXSW_SP_VFID_BASE + vfid;
86}
87
Ido Schimmelaac78a42015-12-15 16:03:42 +010088static inline u16 mlxsw_sp_fid_to_vfid(u16 fid)
89{
90 return fid - MLXSW_SP_VFID_BASE;
91}
92
93static inline bool mlxsw_sp_fid_is_vfid(u16 fid)
94{
95 return fid >= MLXSW_SP_VFID_BASE;
96}
97
Jiri Pirko56ade8f2015-10-16 14:01:37 +020098struct mlxsw_sp {
Ido Schimmel7f71eb42015-12-15 16:03:37 +010099 struct {
100 struct list_head list;
101 unsigned long mapped[BITS_TO_LONGS(MLXSW_SP_VFID_PORT_MAX)];
102 } port_vfids;
Ido Schimmel26f0e7f2015-12-15 16:03:44 +0100103 struct {
104 struct list_head list;
105 unsigned long mapped[BITS_TO_LONGS(MLXSW_SP_VFID_BR_MAX)];
106 } br_vfids;
Elad Raz3a49b4f2016-01-10 21:06:28 +0100107 struct {
108 struct list_head list;
109 unsigned long mapped[BITS_TO_LONGS(MLXSW_SP_MID_MAX)];
110 } br_mids;
Jiri Pirko56ade8f2015-10-16 14:01:37 +0200111 unsigned long active_fids[BITS_TO_LONGS(VLAN_N_VID)];
112 struct mlxsw_sp_port **ports;
113 struct mlxsw_core *core;
114 const struct mlxsw_bus_info *bus_info;
115 unsigned char base_mac[ETH_ALEN];
116 struct {
117 struct delayed_work dw;
118#define MLXSW_SP_DEFAULT_LEARNING_INTERVAL 100
119 unsigned int interval; /* ms */
120 } fdb_notify;
121#define MLXSW_SP_DEFAULT_AGEING_TIME 300
122 u32 ageing_time;
Ido Schimmel366ce602016-01-10 09:32:16 +0100123 struct mutex fdb_lock; /* Make sure FDB sessions are atomic. */
Jiri Pirko0d65fc12015-12-03 12:12:28 +0100124 struct mlxsw_sp_upper master_bridge;
125 struct mlxsw_sp_upper lags[MLXSW_SP_LAG_MAX];
Jiri Pirko56ade8f2015-10-16 14:01:37 +0200126};
127
Jiri Pirko0d65fc12015-12-03 12:12:28 +0100128static inline struct mlxsw_sp_upper *
129mlxsw_sp_lag_get(struct mlxsw_sp *mlxsw_sp, u16 lag_id)
130{
131 return &mlxsw_sp->lags[lag_id];
132}
133
Jiri Pirko56ade8f2015-10-16 14:01:37 +0200134struct mlxsw_sp_port_pcpu_stats {
135 u64 rx_packets;
136 u64 rx_bytes;
137 u64 tx_packets;
138 u64 tx_bytes;
139 struct u64_stats_sync syncp;
140 u32 tx_dropped;
141};
142
143struct mlxsw_sp_port {
144 struct net_device *dev;
145 struct mlxsw_sp_port_pcpu_stats __percpu *pcpu_stats;
146 struct mlxsw_sp *mlxsw_sp;
147 u8 local_port;
148 u8 stp_state;
Jiri Pirko0d9b9702015-10-28 10:16:56 +0100149 u8 learning:1,
150 learning_sync:1,
Ido Schimmel02930382015-10-28 10:16:58 +0100151 uc_flood:1,
Jiri Pirko0d65fc12015-12-03 12:12:28 +0100152 bridged:1,
153 lagged:1;
Jiri Pirko56ade8f2015-10-16 14:01:37 +0200154 u16 pvid;
Jiri Pirko0d65fc12015-12-03 12:12:28 +0100155 u16 lag_id;
Ido Schimmel7f71eb42015-12-15 16:03:37 +0100156 struct {
157 struct list_head list;
158 struct mlxsw_sp_vfid *vfid;
159 u16 vid;
160 } vport;
Jiri Pirko56ade8f2015-10-16 14:01:37 +0200161 /* 802.1Q bridge VLANs */
Ido Schimmelbd40e9d2015-12-15 16:03:36 +0100162 unsigned long *active_vlans;
Elad Razfc1273a2016-01-06 13:01:11 +0100163 unsigned long *untagged_vlans;
Jiri Pirko56ade8f2015-10-16 14:01:37 +0200164 /* VLAN interfaces */
Ido Schimmel7f71eb42015-12-15 16:03:37 +0100165 struct list_head vports_list;
Jiri Pirko56ade8f2015-10-16 14:01:37 +0200166};
167
Jiri Pirko0d65fc12015-12-03 12:12:28 +0100168static inline struct mlxsw_sp_port *
169mlxsw_sp_port_lagged_get(struct mlxsw_sp *mlxsw_sp, u16 lag_id, u8 port_index)
170{
171 struct mlxsw_sp_port *mlxsw_sp_port;
172 u8 local_port;
173
174 local_port = mlxsw_core_lag_mapping_get(mlxsw_sp->core,
175 lag_id, port_index);
176 mlxsw_sp_port = mlxsw_sp->ports[local_port];
177 return mlxsw_sp_port && mlxsw_sp_port->lagged ? mlxsw_sp_port : NULL;
178}
179
Ido Schimmel7f71eb42015-12-15 16:03:37 +0100180static inline bool
181mlxsw_sp_port_is_vport(const struct mlxsw_sp_port *mlxsw_sp_port)
182{
183 return mlxsw_sp_port->vport.vfid;
184}
185
Ido Schimmel26f0e7f2015-12-15 16:03:44 +0100186static inline struct net_device *
187mlxsw_sp_vport_br_get(const struct mlxsw_sp_port *mlxsw_sp_vport)
188{
189 return mlxsw_sp_vport->vport.vfid->br_dev;
190}
191
Ido Schimmel7f71eb42015-12-15 16:03:37 +0100192static inline u16
193mlxsw_sp_vport_vid_get(const struct mlxsw_sp_port *mlxsw_sp_vport)
194{
195 return mlxsw_sp_vport->vport.vid;
196}
197
198static inline u16
199mlxsw_sp_vport_vfid_get(const struct mlxsw_sp_port *mlxsw_sp_vport)
200{
201 return mlxsw_sp_vport->vport.vfid->vfid;
202}
203
204static inline struct mlxsw_sp_port *
205mlxsw_sp_port_vport_find(const struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
206{
207 struct mlxsw_sp_port *mlxsw_sp_vport;
208
209 list_for_each_entry(mlxsw_sp_vport, &mlxsw_sp_port->vports_list,
210 vport.list) {
211 if (mlxsw_sp_vport_vid_get(mlxsw_sp_vport) == vid)
212 return mlxsw_sp_vport;
213 }
214
215 return NULL;
216}
217
Ido Schimmelaac78a42015-12-15 16:03:42 +0100218static inline struct mlxsw_sp_port *
219mlxsw_sp_port_vport_find_by_vfid(const struct mlxsw_sp_port *mlxsw_sp_port,
220 u16 vfid)
221{
222 struct mlxsw_sp_port *mlxsw_sp_vport;
223
224 list_for_each_entry(mlxsw_sp_vport, &mlxsw_sp_port->vports_list,
225 vport.list) {
226 if (mlxsw_sp_vport_vfid_get(mlxsw_sp_vport) == vfid)
227 return mlxsw_sp_vport;
228 }
229
230 return NULL;
231}
232
Jiri Pirko56ade8f2015-10-16 14:01:37 +0200233enum mlxsw_sp_flood_table {
234 MLXSW_SP_FLOOD_TABLE_UC,
235 MLXSW_SP_FLOOD_TABLE_BM,
236};
237
238int mlxsw_sp_buffers_init(struct mlxsw_sp *mlxsw_sp);
239int mlxsw_sp_port_buffers_init(struct mlxsw_sp_port *mlxsw_sp_port);
240
241int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp);
242void mlxsw_sp_switchdev_fini(struct mlxsw_sp *mlxsw_sp);
243int mlxsw_sp_port_vlan_init(struct mlxsw_sp_port *mlxsw_sp_port);
244void mlxsw_sp_port_switchdev_init(struct mlxsw_sp_port *mlxsw_sp_port);
245void mlxsw_sp_port_switchdev_fini(struct mlxsw_sp_port *mlxsw_sp_port);
246int mlxsw_sp_port_vid_to_fid_set(struct mlxsw_sp_port *mlxsw_sp_port,
247 enum mlxsw_reg_svfa_mt mt, bool valid, u16 fid,
248 u16 vid);
249int mlxsw_sp_port_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid_begin,
250 u16 vid_end, bool is_member, bool untagged);
251int mlxsw_sp_port_add_vid(struct net_device *dev, __be16 __always_unused proto,
252 u16 vid);
253int mlxsw_sp_port_kill_vid(struct net_device *dev,
254 __be16 __always_unused proto, u16 vid);
Ido Schimmel7f71eb42015-12-15 16:03:37 +0100255int mlxsw_sp_vport_flood_set(struct mlxsw_sp_port *mlxsw_sp_vport, u16 vfid,
Ido Schimmel19ae6122015-12-15 16:03:39 +0100256 bool set, bool only_uc);
Ido Schimmel4dc236c2016-01-27 15:20:16 +0100257void mlxsw_sp_port_active_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port);
Jiri Pirko56ade8f2015-10-16 14:01:37 +0200258
259#endif