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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>
44#include <linux/list.h>
45#include <net/switchdev.h>
46
47#include "port.h"
48#include "core.h"
49
50#define MLXSW_SP_VFID_BASE VLAN_N_VID
51#define MLXSW_SP_VFID_PORT_MAX 512
52#define MLXSW_SP_VFID_BR_MAX 8192
53#define MLXSW_SP_VFID_MAX (MLXSW_SP_VFID_PORT_MAX + MLXSW_SP_VFID_BR_MAX)
54
55#define MLXSW_SP_LAG_MAX 64
56#define MLXSW_SP_PORT_PER_LAG_MAX 16
57
58#define MLXSW_SP_MID_MAX 7000
59
60struct mlxsw_sp_port;
61
62struct mlxsw_sp_upper {
63 struct net_device *dev;
64 unsigned int ref_count;
65};
66
67struct mlxsw_sp_vfid {
68 struct list_head list;
69 u16 nr_vports;
70 u16 vfid;
71 struct net_device *br_dev;
72 u16 vid;
73};
74
75struct 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
83static inline u16 mlxsw_sp_vfid_to_fid(u16 vfid)
84{
85 return MLXSW_SP_VFID_BASE + vfid;
86}
87
88static 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
98struct mlxsw_sp {
99 struct {
100 struct list_head list;
101 unsigned long mapped[BITS_TO_LONGS(MLXSW_SP_VFID_PORT_MAX)];
102 } port_vfids;
103 struct {
104 struct list_head list;
105 unsigned long mapped[BITS_TO_LONGS(MLXSW_SP_VFID_BR_MAX)];
106 } br_vfids;
107 struct {
108 struct list_head list;
109 unsigned long mapped[BITS_TO_LONGS(MLXSW_SP_MID_MAX)];
110 } br_mids;
111 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;
120 } fdb_notify;
121#define MLXSW_SP_DEFAULT_AGEING_TIME 300
122 u32 ageing_time;
123 struct mlxsw_sp_upper master_bridge;
124 struct mlxsw_sp_upper lags[MLXSW_SP_LAG_MAX];
125};
126
127static inline struct mlxsw_sp_upper *
128mlxsw_sp_lag_get(struct mlxsw_sp *mlxsw_sp, u16 lag_id)
129{
130 return &mlxsw_sp->lags[lag_id];
131}
132
133struct mlxsw_sp_port_pcpu_stats {
134 u64 rx_packets;
135 u64 rx_bytes;
136 u64 tx_packets;
137 u64 tx_bytes;
138 struct u64_stats_sync syncp;
139 u32 tx_dropped;
140};
141
142struct mlxsw_sp_port {
143 struct net_device *dev;
144 struct mlxsw_sp_port_pcpu_stats __percpu *pcpu_stats;
145 struct mlxsw_sp *mlxsw_sp;
146 u8 local_port;
147 u8 stp_state;
148 u8 learning:1,
149 learning_sync:1,
150 uc_flood:1,
151 bridged:1,
152 lagged:1;
153 u16 pvid;
154 u16 lag_id;
155 struct {
156 struct list_head list;
157 struct mlxsw_sp_vfid *vfid;
158 u16 vid;
159 } vport;
160
161 unsigned long *active_vlans;
162 unsigned long *untagged_vlans;
163
164 struct list_head vports_list;
165};
166
167static inline struct mlxsw_sp_port *
168mlxsw_sp_port_lagged_get(struct mlxsw_sp *mlxsw_sp, u16 lag_id, u8 port_index)
169{
170 struct mlxsw_sp_port *mlxsw_sp_port;
171 u8 local_port;
172
173 local_port = mlxsw_core_lag_mapping_get(mlxsw_sp->core,
174 lag_id, port_index);
175 mlxsw_sp_port = mlxsw_sp->ports[local_port];
176 return mlxsw_sp_port && mlxsw_sp_port->lagged ? mlxsw_sp_port : NULL;
177}
178
179static inline bool
180mlxsw_sp_port_is_vport(const struct mlxsw_sp_port *mlxsw_sp_port)
181{
182 return mlxsw_sp_port->vport.vfid;
183}
184
185static inline struct net_device *
186mlxsw_sp_vport_br_get(const struct mlxsw_sp_port *mlxsw_sp_vport)
187{
188 return mlxsw_sp_vport->vport.vfid->br_dev;
189}
190
191static inline u16
192mlxsw_sp_vport_vid_get(const struct mlxsw_sp_port *mlxsw_sp_vport)
193{
194 return mlxsw_sp_vport->vport.vid;
195}
196
197static inline u16
198mlxsw_sp_vport_vfid_get(const struct mlxsw_sp_port *mlxsw_sp_vport)
199{
200 return mlxsw_sp_vport->vport.vfid->vfid;
201}
202
203static inline struct mlxsw_sp_port *
204mlxsw_sp_port_vport_find(const struct mlxsw_sp_port *mlxsw_sp_port, u16 vid)
205{
206 struct mlxsw_sp_port *mlxsw_sp_vport;
207
208 list_for_each_entry(mlxsw_sp_vport, &mlxsw_sp_port->vports_list,
209 vport.list) {
210 if (mlxsw_sp_vport_vid_get(mlxsw_sp_vport) == vid)
211 return mlxsw_sp_vport;
212 }
213
214 return NULL;
215}
216
217static inline struct mlxsw_sp_port *
218mlxsw_sp_port_vport_find_by_vfid(const struct mlxsw_sp_port *mlxsw_sp_port,
219 u16 vfid)
220{
221 struct mlxsw_sp_port *mlxsw_sp_vport;
222
223 list_for_each_entry(mlxsw_sp_vport, &mlxsw_sp_port->vports_list,
224 vport.list) {
225 if (mlxsw_sp_vport_vfid_get(mlxsw_sp_vport) == vfid)
226 return mlxsw_sp_vport;
227 }
228
229 return NULL;
230}
231
232enum mlxsw_sp_flood_table {
233 MLXSW_SP_FLOOD_TABLE_UC,
234 MLXSW_SP_FLOOD_TABLE_BM,
235};
236
237int mlxsw_sp_buffers_init(struct mlxsw_sp *mlxsw_sp);
238int mlxsw_sp_port_buffers_init(struct mlxsw_sp_port *mlxsw_sp_port);
239
240int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp);
241void mlxsw_sp_switchdev_fini(struct mlxsw_sp *mlxsw_sp);
242int mlxsw_sp_port_vlan_init(struct mlxsw_sp_port *mlxsw_sp_port);
243void mlxsw_sp_port_switchdev_init(struct mlxsw_sp_port *mlxsw_sp_port);
244void mlxsw_sp_port_switchdev_fini(struct mlxsw_sp_port *mlxsw_sp_port);
245int mlxsw_sp_port_vid_to_fid_set(struct mlxsw_sp_port *mlxsw_sp_port,
246 enum mlxsw_reg_svfa_mt mt, bool valid, u16 fid,
247 u16 vid);
248int mlxsw_sp_port_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid_begin,
249 u16 vid_end, bool is_member, bool untagged);
250int mlxsw_sp_port_add_vid(struct net_device *dev, __be16 __always_unused proto,
251 u16 vid);
252int mlxsw_sp_port_kill_vid(struct net_device *dev,
253 __be16 __always_unused proto, u16 vid);
254int mlxsw_sp_vport_flood_set(struct mlxsw_sp_port *mlxsw_sp_vport, u16 vfid,
255 bool set, bool only_uc);
256void mlxsw_sp_port_active_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port);
257int mlxsw_sp_port_pvid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 vid);
258
259#endif
260
