1
2
3#ifndef __LAN966X_MAIN_H__
4#define __LAN966X_MAIN_H__
5
6#include <linux/etherdevice.h>
7#include <linux/if_vlan.h>
8#include <linux/jiffies.h>
9#include <linux/phy.h>
10#include <linux/phylink.h>
11#include <linux/ptp_clock_kernel.h>
12#include <net/switchdev.h>
13
14#include "lan966x_regs.h"
15#include "lan966x_ifh.h"
16
17#define TABLE_UPDATE_SLEEP_US 10
18#define TABLE_UPDATE_TIMEOUT_US 100000
19
20#define LAN966X_BUFFER_CELL_SZ 64
21#define LAN966X_BUFFER_MEMORY (160 * 1024)
22#define LAN966X_BUFFER_MIN_SZ 60
23
24#define PGID_AGGR 64
25#define PGID_SRC 80
26#define PGID_ENTRIES 89
27
28#define UNAWARE_PVID 0
29#define HOST_PVID 4095
30
31
32#define QSYS_Q_RSRV 95
33
34#define CPU_PORT 8
35
36
37#define PGID_CPU (PGID_AGGR - 6)
38#define PGID_UC (PGID_AGGR - 5)
39#define PGID_BC (PGID_AGGR - 4)
40#define PGID_MC (PGID_AGGR - 3)
41#define PGID_MCIPV4 (PGID_AGGR - 2)
42#define PGID_MCIPV6 (PGID_AGGR - 1)
43
44
45#define PGID_GP_START (CPU_PORT + 1)
46#define PGID_GP_END PGID_CPU
47
48#define LAN966X_SPEED_NONE 0
49#define LAN966X_SPEED_2500 1
50#define LAN966X_SPEED_1000 1
51#define LAN966X_SPEED_100 2
52#define LAN966X_SPEED_10 3
53
54#define LAN966X_PHC_COUNT 3
55#define LAN966X_PHC_PORT 0
56
57#define IFH_REW_OP_NOOP 0x0
58#define IFH_REW_OP_ONE_STEP_PTP 0x3
59#define IFH_REW_OP_TWO_STEP_PTP 0x4
60
61
62
63
64
65
66
67enum macaccess_entry_type {
68 ENTRYTYPE_NORMAL = 0,
69 ENTRYTYPE_LOCKED,
70 ENTRYTYPE_MACV4,
71 ENTRYTYPE_MACV6,
72};
73
74struct lan966x_port;
75
76struct lan966x_stat_layout {
77 u32 offset;
78 char name[ETH_GSTRING_LEN];
79};
80
81struct lan966x_phc {
82 struct ptp_clock *clock;
83 struct ptp_clock_info info;
84 struct hwtstamp_config hwtstamp_config;
85 struct lan966x *lan966x;
86 u8 index;
87};
88
89struct lan966x_skb_cb {
90 u8 rew_op;
91 u16 ts_id;
92 unsigned long jiffies;
93};
94
95#define LAN966X_PTP_TIMEOUT msecs_to_jiffies(10)
96#define LAN966X_SKB_CB(skb) \
97 ((struct lan966x_skb_cb *)((skb)->cb))
98
99struct lan966x {
100 struct device *dev;
101
102 u8 num_phys_ports;
103 struct lan966x_port **ports;
104
105 void __iomem *regs[NUM_TARGETS];
106
107 int shared_queue_sz;
108
109 u8 base_mac[ETH_ALEN];
110
111 spinlock_t tx_lock;
112
113 struct net_device *bridge;
114 u16 bridge_mask;
115 u16 bridge_fwd_mask;
116
117 struct list_head mac_entries;
118 spinlock_t mac_lock;
119
120 u16 vlan_mask[VLAN_N_VID];
121 DECLARE_BITMAP(cpu_vlan_mask, VLAN_N_VID);
122
123
124 const struct lan966x_stat_layout *stats_layout;
125 u32 num_stats;
126
127
128 struct mutex stats_lock;
129 u64 *stats;
130 struct delayed_work stats_work;
131 struct workqueue_struct *stats_queue;
132
133
134 int xtr_irq;
135 int ana_irq;
136 int ptp_irq;
137
138
139 struct workqueue_struct *fdb_work;
140 struct list_head fdb_entries;
141
142
143 struct list_head mdb_entries;
144 struct list_head pgid_entries;
145
146
147 bool ptp;
148 struct lan966x_phc phc[LAN966X_PHC_COUNT];
149 spinlock_t ptp_clock_lock;
150 spinlock_t ptp_ts_id_lock;
151 struct mutex ptp_lock;
152 u16 ptp_skbs;
153};
154
155struct lan966x_port_config {
156 phy_interface_t portmode;
157 const unsigned long *advertising;
158 int speed;
159 int duplex;
160 u32 pause;
161 bool inband;
162 bool autoneg;
163};
164
165struct lan966x_port {
166 struct net_device *dev;
167 struct lan966x *lan966x;
168
169 u8 chip_port;
170 u16 pvid;
171 u16 vid;
172 bool vlan_aware;
173
174 bool learn_ena;
175 bool mcast_ena;
176
177 struct phylink_config phylink_config;
178 struct phylink_pcs phylink_pcs;
179 struct lan966x_port_config config;
180 struct phylink *phylink;
181 struct phy *serdes;
182 struct fwnode_handle *fwnode;
183
184 u8 ptp_cmd;
185 u16 ts_id;
186 struct sk_buff_head tx_skbs;
187};
188
189extern const struct phylink_mac_ops lan966x_phylink_mac_ops;
190extern const struct phylink_pcs_ops lan966x_phylink_pcs_ops;
191extern const struct ethtool_ops lan966x_ethtool_ops;
192
193bool lan966x_netdevice_check(const struct net_device *dev);
194
195void lan966x_register_notifier_blocks(void);
196void lan966x_unregister_notifier_blocks(void);
197
198void lan966x_stats_get(struct net_device *dev,
199 struct rtnl_link_stats64 *stats);
200int lan966x_stats_init(struct lan966x *lan966x);
201
202void lan966x_port_config_down(struct lan966x_port *port);
203void lan966x_port_config_up(struct lan966x_port *port);
204void lan966x_port_status_get(struct lan966x_port *port,
205 struct phylink_link_state *state);
206int lan966x_port_pcs_set(struct lan966x_port *port,
207 struct lan966x_port_config *config);
208void lan966x_port_init(struct lan966x_port *port);
209
210int lan966x_mac_ip_learn(struct lan966x *lan966x,
211 bool cpu_copy,
212 const unsigned char mac[ETH_ALEN],
213 unsigned int vid,
214 enum macaccess_entry_type type);
215int lan966x_mac_learn(struct lan966x *lan966x, int port,
216 const unsigned char mac[ETH_ALEN],
217 unsigned int vid,
218 enum macaccess_entry_type type);
219int lan966x_mac_forget(struct lan966x *lan966x,
220 const unsigned char mac[ETH_ALEN],
221 unsigned int vid,
222 enum macaccess_entry_type type);
223int lan966x_mac_cpu_learn(struct lan966x *lan966x, const char *addr, u16 vid);
224int lan966x_mac_cpu_forget(struct lan966x *lan966x, const char *addr, u16 vid);
225void lan966x_mac_init(struct lan966x *lan966x);
226void lan966x_mac_set_ageing(struct lan966x *lan966x,
227 u32 ageing);
228int lan966x_mac_del_entry(struct lan966x *lan966x,
229 const unsigned char *addr,
230 u16 vid);
231int lan966x_mac_add_entry(struct lan966x *lan966x,
232 struct lan966x_port *port,
233 const unsigned char *addr,
234 u16 vid);
235void lan966x_mac_purge_entries(struct lan966x *lan966x);
236irqreturn_t lan966x_mac_irq_handler(struct lan966x *lan966x);
237
238void lan966x_vlan_init(struct lan966x *lan966x);
239void lan966x_vlan_port_apply(struct lan966x_port *port);
240bool lan966x_vlan_cpu_member_cpu_vlan_mask(struct lan966x *lan966x, u16 vid);
241void lan966x_vlan_port_set_vlan_aware(struct lan966x_port *port,
242 bool vlan_aware);
243int lan966x_vlan_port_set_vid(struct lan966x_port *port,
244 u16 vid,
245 bool pvid,
246 bool untagged);
247void lan966x_vlan_port_add_vlan(struct lan966x_port *port,
248 u16 vid,
249 bool pvid,
250 bool untagged);
251void lan966x_vlan_port_del_vlan(struct lan966x_port *port, u16 vid);
252void lan966x_vlan_cpu_add_vlan(struct lan966x *lan966x, u16 vid);
253void lan966x_vlan_cpu_del_vlan(struct lan966x *lan966x, u16 vid);
254
255void lan966x_fdb_write_entries(struct lan966x *lan966x, u16 vid);
256void lan966x_fdb_erase_entries(struct lan966x *lan966x, u16 vid);
257int lan966x_fdb_init(struct lan966x *lan966x);
258void lan966x_fdb_deinit(struct lan966x *lan966x);
259int lan966x_handle_fdb(struct net_device *dev,
260 struct net_device *orig_dev,
261 unsigned long event, const void *ctx,
262 const struct switchdev_notifier_fdb_info *fdb_info);
263
264void lan966x_mdb_init(struct lan966x *lan966x);
265void lan966x_mdb_deinit(struct lan966x *lan966x);
266int lan966x_handle_port_mdb_add(struct lan966x_port *port,
267 const struct switchdev_obj *obj);
268int lan966x_handle_port_mdb_del(struct lan966x_port *port,
269 const struct switchdev_obj *obj);
270void lan966x_mdb_erase_entries(struct lan966x *lan966x, u16 vid);
271void lan966x_mdb_write_entries(struct lan966x *lan966x, u16 vid);
272void lan966x_mdb_clear_entries(struct lan966x *lan966x);
273void lan966x_mdb_restore_entries(struct lan966x *lan966x);
274
275int lan966x_ptp_init(struct lan966x *lan966x);
276void lan966x_ptp_deinit(struct lan966x *lan966x);
277int lan966x_ptp_hwtstamp_set(struct lan966x_port *port, struct ifreq *ifr);
278int lan966x_ptp_hwtstamp_get(struct lan966x_port *port, struct ifreq *ifr);
279void lan966x_ptp_rxtstamp(struct lan966x *lan966x, struct sk_buff *skb,
280 u64 timestamp);
281int lan966x_ptp_txtstamp_request(struct lan966x_port *port,
282 struct sk_buff *skb);
283void lan966x_ptp_txtstamp_release(struct lan966x_port *port,
284 struct sk_buff *skb);
285irqreturn_t lan966x_ptp_irq_handler(int irq, void *args);
286
287static inline void __iomem *lan_addr(void __iomem *base[],
288 int id, int tinst, int tcnt,
289 int gbase, int ginst,
290 int gcnt, int gwidth,
291 int raddr, int rinst,
292 int rcnt, int rwidth)
293{
294 WARN_ON((tinst) >= tcnt);
295 WARN_ON((ginst) >= gcnt);
296 WARN_ON((rinst) >= rcnt);
297 return base[id + (tinst)] +
298 gbase + ((ginst) * gwidth) +
299 raddr + ((rinst) * rwidth);
300}
301
302static inline u32 lan_rd(struct lan966x *lan966x, int id, int tinst, int tcnt,
303 int gbase, int ginst, int gcnt, int gwidth,
304 int raddr, int rinst, int rcnt, int rwidth)
305{
306 return readl(lan_addr(lan966x->regs, id, tinst, tcnt, gbase, ginst,
307 gcnt, gwidth, raddr, rinst, rcnt, rwidth));
308}
309
310static inline void lan_wr(u32 val, struct lan966x *lan966x,
311 int id, int tinst, int tcnt,
312 int gbase, int ginst, int gcnt, int gwidth,
313 int raddr, int rinst, int rcnt, int rwidth)
314{
315 writel(val, lan_addr(lan966x->regs, id, tinst, tcnt,
316 gbase, ginst, gcnt, gwidth,
317 raddr, rinst, rcnt, rwidth));
318}
319
320static inline void lan_rmw(u32 val, u32 mask, struct lan966x *lan966x,
321 int id, int tinst, int tcnt,
322 int gbase, int ginst, int gcnt, int gwidth,
323 int raddr, int rinst, int rcnt, int rwidth)
324{
325 u32 nval;
326
327 nval = readl(lan_addr(lan966x->regs, id, tinst, tcnt, gbase, ginst,
328 gcnt, gwidth, raddr, rinst, rcnt, rwidth));
329 nval = (nval & ~mask) | (val & mask);
330 writel(nval, lan_addr(lan966x->regs, id, tinst, tcnt, gbase, ginst,
331 gcnt, gwidth, raddr, rinst, rcnt, rwidth));
332}
333
334#endif
335
