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Commit | Line | Data |
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91da11f8 LB |
1 | /* |
2 | * include/net/dsa.h - Driver for Distributed Switch Architecture switch chips | |
e84665c9 | 3 | * Copyright (c) 2008-2009 Marvell Semiconductor |
91da11f8 LB |
4 | * |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | */ | |
10 | ||
11 | #ifndef __LINUX_NET_DSA_H | |
12 | #define __LINUX_NET_DSA_H | |
13 | ||
4d56a29f | 14 | #include <linux/if.h> |
ea1f51be | 15 | #include <linux/if_ether.h> |
c8f0b869 | 16 | #include <linux/list.h> |
f515f192 | 17 | #include <linux/notifier.h> |
cf50dcc2 BH |
18 | #include <linux/timer.h> |
19 | #include <linux/workqueue.h> | |
fa981d9a | 20 | #include <linux/of.h> |
a2820543 | 21 | #include <linux/ethtool.h> |
0336369d | 22 | #include <linux/net_tstamp.h> |
96567d5d | 23 | #include <net/devlink.h> |
f0c24ccf | 24 | #include <net/switchdev.h> |
cf50dcc2 | 25 | |
f50f2127 | 26 | struct tc_action; |
4d56a29f RK |
27 | struct phy_device; |
28 | struct fixed_phy_status; | |
f50f2127 | 29 | |
ac7a04c3 FF |
30 | enum dsa_tag_protocol { |
31 | DSA_TAG_PROTO_NONE = 0, | |
eb7b7211 | 32 | DSA_TAG_PROTO_BRCM, |
b74b70c4 | 33 | DSA_TAG_PROTO_BRCM_PREPEND, |
ac7a04c3 | 34 | DSA_TAG_PROTO_DSA, |
ac7a04c3 | 35 | DSA_TAG_PROTO_EDSA, |
8b8010fb | 36 | DSA_TAG_PROTO_KSZ, |
e8fe177a | 37 | DSA_TAG_PROTO_LAN9303, |
eb7b7211 AL |
38 | DSA_TAG_PROTO_MTK, |
39 | DSA_TAG_PROTO_QCA, | |
40 | DSA_TAG_PROTO_TRAILER, | |
39a7f2a4 | 41 | DSA_TAG_LAST, /* MUST BE LAST */ |
ac7a04c3 | 42 | }; |
5037d532 | 43 | |
e84665c9 LB |
44 | #define DSA_MAX_SWITCHES 4 |
45 | #define DSA_MAX_PORTS 12 | |
46 | ||
d390238c VD |
47 | #define DSA_RTABLE_NONE -1 |
48 | ||
e84665c9 LB |
49 | struct dsa_chip_data { |
50 | /* | |
51 | * How to access the switch configuration registers. | |
52 | */ | |
b4d2394d | 53 | struct device *host_dev; |
e84665c9 LB |
54 | int sw_addr; |
55 | ||
71e0bbde FF |
56 | /* |
57 | * Reference to network devices | |
58 | */ | |
59 | struct device *netdev[DSA_MAX_PORTS]; | |
60 | ||
6793abb4 GR |
61 | /* set to size of eeprom if supported by the switch */ |
62 | int eeprom_len; | |
63 | ||
fa981d9a FF |
64 | /* Device tree node pointer for this specific switch chip |
65 | * used during switch setup in case additional properties | |
66 | * and resources needs to be used | |
67 | */ | |
68 | struct device_node *of_node; | |
69 | ||
e84665c9 LB |
70 | /* |
71 | * The names of the switch's ports. Use "cpu" to | |
72 | * designate the switch port that the cpu is connected to, | |
73 | * "dsa" to indicate that this port is a DSA link to | |
74 | * another switch, NULL to indicate the port is unused, | |
75 | * or any other string to indicate this is a physical port. | |
76 | */ | |
77 | char *port_names[DSA_MAX_PORTS]; | |
bd47497a | 78 | struct device_node *port_dn[DSA_MAX_PORTS]; |
e84665c9 LB |
79 | |
80 | /* | |
4a7704ff AL |
81 | * An array of which element [a] indicates which port on this |
82 | * switch should be used to send packets to that are destined | |
83 | * for switch a. Can be NULL if there is only one switch chip. | |
e84665c9 | 84 | */ |
4a7704ff | 85 | s8 rtable[DSA_MAX_SWITCHES]; |
e84665c9 | 86 | }; |
91da11f8 LB |
87 | |
88 | struct dsa_platform_data { | |
89 | /* | |
90 | * Reference to a Linux network interface that connects | |
e84665c9 | 91 | * to the root switch chip of the tree. |
91da11f8 LB |
92 | */ |
93 | struct device *netdev; | |
769a0202 | 94 | struct net_device *of_netdev; |
91da11f8 LB |
95 | |
96 | /* | |
e84665c9 LB |
97 | * Info structs describing each of the switch chips |
98 | * connected via this network interface. | |
91da11f8 | 99 | */ |
e84665c9 LB |
100 | int nr_chips; |
101 | struct dsa_chip_data *chip; | |
91da11f8 LB |
102 | }; |
103 | ||
5075314e | 104 | struct packet_type; |
90af1059 | 105 | struct dsa_switch; |
3e8a72d1 | 106 | |
68277a2c JC |
107 | struct dsa_device_ops { |
108 | struct sk_buff *(*xmit)(struct sk_buff *skb, struct net_device *dev); | |
109 | struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev, | |
89e49506 | 110 | struct packet_type *pt); |
598a9680 JC |
111 | int (*flow_dissect)(const struct sk_buff *skb, __be16 *proto, |
112 | int *offset); | |
68277a2c JC |
113 | }; |
114 | ||
cf50dcc2 | 115 | struct dsa_switch_tree { |
83c0afae AL |
116 | struct list_head list; |
117 | ||
f515f192 VD |
118 | /* Notifier chain for switch-wide events */ |
119 | struct raw_notifier_head nh; | |
120 | ||
83c0afae | 121 | /* Tree identifier */ |
49463b7f | 122 | unsigned int index; |
83c0afae AL |
123 | |
124 | /* Number of switches attached to this tree */ | |
125 | struct kref refcount; | |
126 | ||
127 | /* Has this tree been applied to the hardware? */ | |
ec15dd42 | 128 | bool setup; |
83c0afae | 129 | |
cf50dcc2 BH |
130 | /* |
131 | * Configuration data for the platform device that owns | |
132 | * this dsa switch tree instance. | |
133 | */ | |
134 | struct dsa_platform_data *pd; | |
135 | ||
cf50dcc2 | 136 | /* |
8b0d3ea5 | 137 | * The switch port to which the CPU is attached. |
cf50dcc2 | 138 | */ |
8b0d3ea5 | 139 | struct dsa_port *cpu_dp; |
cf50dcc2 | 140 | |
cf50dcc2 BH |
141 | /* |
142 | * Data for the individual switch chips. | |
143 | */ | |
144 | struct dsa_switch *ds[DSA_MAX_SWITCHES]; | |
145 | }; | |
146 | ||
f50f2127 FF |
147 | /* TC matchall action types, only mirroring for now */ |
148 | enum dsa_port_mall_action_type { | |
149 | DSA_PORT_MALL_MIRROR, | |
150 | }; | |
151 | ||
152 | /* TC mirroring entry */ | |
153 | struct dsa_mall_mirror_tc_entry { | |
154 | u8 to_local_port; | |
155 | bool ingress; | |
156 | }; | |
157 | ||
158 | /* TC matchall entry */ | |
159 | struct dsa_mall_tc_entry { | |
160 | struct list_head list; | |
161 | unsigned long cookie; | |
162 | enum dsa_port_mall_action_type type; | |
163 | union { | |
164 | struct dsa_mall_mirror_tc_entry mirror; | |
165 | }; | |
166 | }; | |
167 | ||
168 | ||
c8b09808 | 169 | struct dsa_port { |
f8b8b1cd VD |
170 | /* A CPU port is physically connected to a master device. |
171 | * A user port exposed to userspace has a slave device. | |
172 | */ | |
173 | union { | |
174 | struct net_device *master; | |
175 | struct net_device *slave; | |
176 | }; | |
177 | ||
15240248 VD |
178 | /* CPU port tagging operations used by master or slave devices */ |
179 | const struct dsa_device_ops *tag_ops; | |
180 | ||
3e41f93b VD |
181 | /* Copies for faster access in master receive hot path */ |
182 | struct dsa_switch_tree *dst; | |
183 | struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev, | |
184 | struct packet_type *pt); | |
185 | ||
057cad2c VD |
186 | enum { |
187 | DSA_PORT_TYPE_UNUSED = 0, | |
188 | DSA_PORT_TYPE_CPU, | |
189 | DSA_PORT_TYPE_DSA, | |
190 | DSA_PORT_TYPE_USER, | |
191 | } type; | |
192 | ||
818be848 VD |
193 | struct dsa_switch *ds; |
194 | unsigned int index; | |
71e0bbde | 195 | const char *name; |
24a9332a | 196 | const struct dsa_port *cpu_dp; |
189b0d93 | 197 | struct device_node *dn; |
34a79f63 | 198 | unsigned int ageing_time; |
732f794c | 199 | u8 stp_state; |
a5e9a02e | 200 | struct net_device *bridge_dev; |
96567d5d | 201 | struct devlink_port devlink_port; |
67dbb9d4 FF |
202 | /* |
203 | * Original copy of the master netdev ethtool_ops | |
204 | */ | |
67dbb9d4 | 205 | const struct ethtool_ops *orig_ethtool_ops; |
c8b09808 AL |
206 | }; |
207 | ||
c8f0b869 | 208 | struct dsa_switch { |
c33063d6 AL |
209 | struct device *dev; |
210 | ||
c8f0b869 BH |
211 | /* |
212 | * Parent switch tree, and switch index. | |
213 | */ | |
214 | struct dsa_switch_tree *dst; | |
99feaafc | 215 | unsigned int index; |
c8f0b869 | 216 | |
f515f192 VD |
217 | /* Listener for switch fabric events */ |
218 | struct notifier_block nb; | |
219 | ||
7543a6d5 AL |
220 | /* |
221 | * Give the switch driver somewhere to hang its private data | |
222 | * structure. | |
223 | */ | |
224 | void *priv; | |
225 | ||
c8f0b869 BH |
226 | /* |
227 | * Configuration data for this switch. | |
228 | */ | |
ff04955c | 229 | struct dsa_chip_data *cd; |
c8f0b869 BH |
230 | |
231 | /* | |
9d490b4e | 232 | * The switch operations. |
c8f0b869 | 233 | */ |
a82f67af | 234 | const struct dsa_switch_ops *ops; |
c8f0b869 | 235 | |
66472fc0 AL |
236 | /* |
237 | * An array of which element [a] indicates which port on this | |
238 | * switch should be used to send packets to that are destined | |
239 | * for switch a. Can be NULL if there is only one switch chip. | |
240 | */ | |
241 | s8 rtable[DSA_MAX_SWITCHES]; | |
242 | ||
c8f0b869 BH |
243 | /* |
244 | * Slave mii_bus and devices for the individual ports. | |
245 | */ | |
0d8bcdd3 | 246 | u32 phys_mii_mask; |
c8f0b869 | 247 | struct mii_bus *slave_mii_bus; |
a0c02161 | 248 | |
0f3da6af VD |
249 | /* Ageing Time limits in msecs */ |
250 | unsigned int ageing_time_min; | |
251 | unsigned int ageing_time_max; | |
252 | ||
96567d5d AL |
253 | /* devlink used to represent this switch device */ |
254 | struct devlink *devlink; | |
255 | ||
55199df6 FF |
256 | /* Number of switch port queues */ |
257 | unsigned int num_tx_queues; | |
258 | ||
a0c02161 VD |
259 | /* Dynamically allocated ports, keep last */ |
260 | size_t num_ports; | |
261 | struct dsa_port ports[]; | |
c8f0b869 BH |
262 | }; |
263 | ||
c38c5a66 | 264 | static inline const struct dsa_port *dsa_to_port(struct dsa_switch *ds, int p) |
bff7b688 | 265 | { |
c38c5a66 VD |
266 | return &ds->ports[p]; |
267 | } | |
bff7b688 | 268 | |
c38c5a66 VD |
269 | static inline bool dsa_is_unused_port(struct dsa_switch *ds, int p) |
270 | { | |
271 | return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_UNUSED; | |
bff7b688 VD |
272 | } |
273 | ||
c8f0b869 BH |
274 | static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p) |
275 | { | |
c38c5a66 | 276 | return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_CPU; |
c8f0b869 BH |
277 | } |
278 | ||
60045cbf AL |
279 | static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p) |
280 | { | |
c38c5a66 | 281 | return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_DSA; |
60045cbf AL |
282 | } |
283 | ||
2b3e9891 | 284 | static inline bool dsa_is_user_port(struct dsa_switch *ds, int p) |
6cd456f3 | 285 | { |
c38c5a66 | 286 | return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_USER; |
6cd456f3 VD |
287 | } |
288 | ||
02bc6e54 VD |
289 | static inline u32 dsa_user_ports(struct dsa_switch *ds) |
290 | { | |
c38c5a66 VD |
291 | u32 mask = 0; |
292 | int p; | |
02bc6e54 | 293 | |
c38c5a66 VD |
294 | for (p = 0; p < ds->num_ports; p++) |
295 | if (dsa_is_user_port(ds, p)) | |
296 | mask |= BIT(p); | |
297 | ||
298 | return mask; | |
c8652c83 VD |
299 | } |
300 | ||
3b8fac5d VD |
301 | /* Return the local port used to reach an arbitrary switch port */ |
302 | static inline unsigned int dsa_towards_port(struct dsa_switch *ds, int device, | |
303 | int port) | |
304 | { | |
305 | if (device == ds->index) | |
306 | return port; | |
307 | else | |
308 | return ds->rtable[device]; | |
309 | } | |
310 | ||
311 | /* Return the local port used to reach the dedicated CPU port */ | |
07073c79 | 312 | static inline unsigned int dsa_upstream_port(struct dsa_switch *ds, int port) |
c8f0b869 | 313 | { |
07073c79 VD |
314 | const struct dsa_port *dp = dsa_to_port(ds, port); |
315 | const struct dsa_port *cpu_dp = dp->cpu_dp; | |
316 | ||
317 | if (!cpu_dp) | |
318 | return port; | |
c8f0b869 | 319 | |
3b8fac5d | 320 | return dsa_towards_port(ds, cpu_dp->ds->index, cpu_dp->index); |
c8f0b869 BH |
321 | } |
322 | ||
2bedde1a AS |
323 | typedef int dsa_fdb_dump_cb_t(const unsigned char *addr, u16 vid, |
324 | bool is_static, void *data); | |
9d490b4e | 325 | struct dsa_switch_ops { |
2a93c1a3 | 326 | #if IS_ENABLED(CONFIG_NET_DSA_LEGACY) |
c8f0b869 | 327 | /* |
a6a71f19 | 328 | * Legacy probing. |
c8f0b869 | 329 | */ |
0209d144 VD |
330 | const char *(*probe)(struct device *dsa_dev, |
331 | struct device *host_dev, int sw_addr, | |
332 | void **priv); | |
2a93c1a3 | 333 | #endif |
7b314362 | 334 | |
5ed4e3eb FF |
335 | enum dsa_tag_protocol (*get_tag_protocol)(struct dsa_switch *ds, |
336 | int port); | |
7b314362 | 337 | |
c8f0b869 | 338 | int (*setup)(struct dsa_switch *ds); |
6819563e | 339 | u32 (*get_phy_flags)(struct dsa_switch *ds, int port); |
c8f0b869 BH |
340 | |
341 | /* | |
342 | * Access to the switch's PHY registers. | |
343 | */ | |
344 | int (*phy_read)(struct dsa_switch *ds, int port, int regnum); | |
345 | int (*phy_write)(struct dsa_switch *ds, int port, | |
346 | int regnum, u16 val); | |
347 | ||
ec9436ba FF |
348 | /* |
349 | * Link state adjustment (called from libphy) | |
350 | */ | |
351 | void (*adjust_link)(struct dsa_switch *ds, int port, | |
352 | struct phy_device *phydev); | |
ce31b31c FF |
353 | void (*fixed_link_update)(struct dsa_switch *ds, int port, |
354 | struct fixed_phy_status *st); | |
ec9436ba | 355 | |
c8f0b869 BH |
356 | /* |
357 | * ethtool hardware statistics. | |
358 | */ | |
89f09048 FF |
359 | void (*get_strings)(struct dsa_switch *ds, int port, |
360 | u32 stringset, uint8_t *data); | |
c8f0b869 BH |
361 | void (*get_ethtool_stats)(struct dsa_switch *ds, |
362 | int port, uint64_t *data); | |
89f09048 | 363 | int (*get_sset_count)(struct dsa_switch *ds, int port, int sset); |
cf963573 FF |
364 | void (*get_ethtool_phy_stats)(struct dsa_switch *ds, |
365 | int port, uint64_t *data); | |
24462549 | 366 | |
19e57c4e FF |
367 | /* |
368 | * ethtool Wake-on-LAN | |
369 | */ | |
370 | void (*get_wol)(struct dsa_switch *ds, int port, | |
371 | struct ethtool_wolinfo *w); | |
372 | int (*set_wol)(struct dsa_switch *ds, int port, | |
373 | struct ethtool_wolinfo *w); | |
374 | ||
0336369d BS |
375 | /* |
376 | * ethtool timestamp info | |
377 | */ | |
378 | int (*get_ts_info)(struct dsa_switch *ds, int port, | |
379 | struct ethtool_ts_info *ts); | |
380 | ||
24462549 FF |
381 | /* |
382 | * Suspend and resume | |
383 | */ | |
384 | int (*suspend)(struct dsa_switch *ds); | |
385 | int (*resume)(struct dsa_switch *ds); | |
b2f2af21 FF |
386 | |
387 | /* | |
388 | * Port enable/disable | |
389 | */ | |
390 | int (*port_enable)(struct dsa_switch *ds, int port, | |
391 | struct phy_device *phy); | |
392 | void (*port_disable)(struct dsa_switch *ds, int port, | |
393 | struct phy_device *phy); | |
7905288f FF |
394 | |
395 | /* | |
08f50061 | 396 | * Port's MAC EEE settings |
7905288f | 397 | */ |
08f50061 VD |
398 | int (*set_mac_eee)(struct dsa_switch *ds, int port, |
399 | struct ethtool_eee *e); | |
400 | int (*get_mac_eee)(struct dsa_switch *ds, int port, | |
401 | struct ethtool_eee *e); | |
51579c3f | 402 | |
6793abb4 GR |
403 | /* EEPROM access */ |
404 | int (*get_eeprom_len)(struct dsa_switch *ds); | |
405 | int (*get_eeprom)(struct dsa_switch *ds, | |
406 | struct ethtool_eeprom *eeprom, u8 *data); | |
407 | int (*set_eeprom)(struct dsa_switch *ds, | |
408 | struct ethtool_eeprom *eeprom, u8 *data); | |
3d762a0f GR |
409 | |
410 | /* | |
411 | * Register access. | |
412 | */ | |
413 | int (*get_regs_len)(struct dsa_switch *ds, int port); | |
414 | void (*get_regs)(struct dsa_switch *ds, int port, | |
415 | struct ethtool_regs *regs, void *p); | |
b73adef6 FF |
416 | |
417 | /* | |
418 | * Bridge integration | |
419 | */ | |
34a79f63 | 420 | int (*set_ageing_time)(struct dsa_switch *ds, unsigned int msecs); |
71327a4e | 421 | int (*port_bridge_join)(struct dsa_switch *ds, int port, |
a6692754 | 422 | struct net_device *bridge); |
f123f2fb VD |
423 | void (*port_bridge_leave)(struct dsa_switch *ds, int port, |
424 | struct net_device *bridge); | |
43c44a9f VD |
425 | void (*port_stp_state_set)(struct dsa_switch *ds, int port, |
426 | u8 state); | |
732f794c | 427 | void (*port_fast_age)(struct dsa_switch *ds, int port); |
2a778e1b | 428 | |
11149536 VD |
429 | /* |
430 | * VLAN support | |
431 | */ | |
fb2dabad VD |
432 | int (*port_vlan_filtering)(struct dsa_switch *ds, int port, |
433 | bool vlan_filtering); | |
80e02360 VD |
434 | int (*port_vlan_prepare)(struct dsa_switch *ds, int port, |
435 | const struct switchdev_obj_port_vlan *vlan); | |
436 | void (*port_vlan_add)(struct dsa_switch *ds, int port, | |
437 | const struct switchdev_obj_port_vlan *vlan); | |
76e398a6 VD |
438 | int (*port_vlan_del)(struct dsa_switch *ds, int port, |
439 | const struct switchdev_obj_port_vlan *vlan); | |
2a778e1b VD |
440 | /* |
441 | * Forwarding database | |
442 | */ | |
1b6dd556 | 443 | int (*port_fdb_add)(struct dsa_switch *ds, int port, |
6c2c1dcb | 444 | const unsigned char *addr, u16 vid); |
2a778e1b | 445 | int (*port_fdb_del)(struct dsa_switch *ds, int port, |
6c2c1dcb | 446 | const unsigned char *addr, u16 vid); |
ea70ba98 | 447 | int (*port_fdb_dump)(struct dsa_switch *ds, int port, |
2bedde1a | 448 | dsa_fdb_dump_cb_t *cb, void *data); |
8df30255 VD |
449 | |
450 | /* | |
451 | * Multicast database | |
452 | */ | |
3709aadc VD |
453 | int (*port_mdb_prepare)(struct dsa_switch *ds, int port, |
454 | const struct switchdev_obj_port_mdb *mdb); | |
455 | void (*port_mdb_add)(struct dsa_switch *ds, int port, | |
456 | const struct switchdev_obj_port_mdb *mdb); | |
8df30255 VD |
457 | int (*port_mdb_del)(struct dsa_switch *ds, int port, |
458 | const struct switchdev_obj_port_mdb *mdb); | |
bf9f2648 FF |
459 | /* |
460 | * RXNFC | |
461 | */ | |
462 | int (*get_rxnfc)(struct dsa_switch *ds, int port, | |
463 | struct ethtool_rxnfc *nfc, u32 *rule_locs); | |
464 | int (*set_rxnfc)(struct dsa_switch *ds, int port, | |
465 | struct ethtool_rxnfc *nfc); | |
f50f2127 FF |
466 | |
467 | /* | |
468 | * TC integration | |
469 | */ | |
470 | int (*port_mirror_add)(struct dsa_switch *ds, int port, | |
471 | struct dsa_mall_mirror_tc_entry *mirror, | |
472 | bool ingress); | |
473 | void (*port_mirror_del)(struct dsa_switch *ds, int port, | |
474 | struct dsa_mall_mirror_tc_entry *mirror); | |
40ef2c93 VD |
475 | |
476 | /* | |
477 | * Cross-chip operations | |
478 | */ | |
479 | int (*crosschip_bridge_join)(struct dsa_switch *ds, int sw_index, | |
480 | int port, struct net_device *br); | |
481 | void (*crosschip_bridge_leave)(struct dsa_switch *ds, int sw_index, | |
482 | int port, struct net_device *br); | |
0336369d BS |
483 | |
484 | /* | |
485 | * PTP functionality | |
486 | */ | |
487 | int (*port_hwtstamp_get)(struct dsa_switch *ds, int port, | |
488 | struct ifreq *ifr); | |
489 | int (*port_hwtstamp_set)(struct dsa_switch *ds, int port, | |
490 | struct ifreq *ifr); | |
90af1059 BS |
491 | bool (*port_txtstamp)(struct dsa_switch *ds, int port, |
492 | struct sk_buff *clone, unsigned int type); | |
493 | bool (*port_rxtstamp)(struct dsa_switch *ds, int port, | |
494 | struct sk_buff *skb, unsigned int type); | |
c8f0b869 BH |
495 | }; |
496 | ||
ab3d408d FF |
497 | struct dsa_switch_driver { |
498 | struct list_head list; | |
a82f67af | 499 | const struct dsa_switch_ops *ops; |
ab3d408d FF |
500 | }; |
501 | ||
2a93c1a3 | 502 | #if IS_ENABLED(CONFIG_NET_DSA_LEGACY) |
a6a71f19 | 503 | /* Legacy driver registration */ |
ab3d408d FF |
504 | void register_switch_driver(struct dsa_switch_driver *type); |
505 | void unregister_switch_driver(struct dsa_switch_driver *type); | |
b4d2394d | 506 | struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev); |
a6a71f19 | 507 | |
2a93c1a3 FF |
508 | #else |
509 | static inline void register_switch_driver(struct dsa_switch_driver *type) { } | |
510 | static inline void unregister_switch_driver(struct dsa_switch_driver *type) { } | |
511 | static inline struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev) | |
512 | { | |
513 | return NULL; | |
514 | } | |
515 | #endif | |
14b89f36 | 516 | struct net_device *dsa_dev_to_net_device(struct device *dev); |
c8f0b869 | 517 | |
73a7ece8 | 518 | /* Keep inline for faster access in hot path */ |
c6e970a0 AL |
519 | static inline bool netdev_uses_dsa(struct net_device *dev) |
520 | { | |
521 | #if IS_ENABLED(CONFIG_NET_DSA) | |
717ffbfb | 522 | return dev->dsa_ptr && dev->dsa_ptr->rcv; |
c6e970a0 AL |
523 | #endif |
524 | return false; | |
525 | } | |
526 | ||
a0c02161 | 527 | struct dsa_switch *dsa_switch_alloc(struct device *dev, size_t n); |
83c0afae | 528 | void dsa_unregister_switch(struct dsa_switch *ds); |
23c9ee49 | 529 | int dsa_register_switch(struct dsa_switch *ds); |
ea825e70 FF |
530 | #ifdef CONFIG_PM_SLEEP |
531 | int dsa_switch_suspend(struct dsa_switch *ds); | |
532 | int dsa_switch_resume(struct dsa_switch *ds); | |
533 | #else | |
534 | static inline int dsa_switch_suspend(struct dsa_switch *ds) | |
535 | { | |
536 | return 0; | |
537 | } | |
538 | static inline int dsa_switch_resume(struct dsa_switch *ds) | |
539 | { | |
540 | return 0; | |
541 | } | |
542 | #endif /* CONFIG_PM_SLEEP */ | |
543 | ||
60724d4b FF |
544 | enum dsa_notifier_type { |
545 | DSA_PORT_REGISTER, | |
546 | DSA_PORT_UNREGISTER, | |
547 | }; | |
548 | ||
549 | struct dsa_notifier_info { | |
550 | struct net_device *dev; | |
551 | }; | |
552 | ||
553 | struct dsa_notifier_register_info { | |
554 | struct dsa_notifier_info info; /* must be first */ | |
555 | struct net_device *master; | |
556 | unsigned int port_number; | |
557 | unsigned int switch_number; | |
558 | }; | |
559 | ||
560 | static inline struct net_device * | |
561 | dsa_notifier_info_to_dev(const struct dsa_notifier_info *info) | |
562 | { | |
563 | return info->dev; | |
564 | } | |
565 | ||
566 | #if IS_ENABLED(CONFIG_NET_DSA) | |
567 | int register_dsa_notifier(struct notifier_block *nb); | |
568 | int unregister_dsa_notifier(struct notifier_block *nb); | |
569 | int call_dsa_notifiers(unsigned long val, struct net_device *dev, | |
570 | struct dsa_notifier_info *info); | |
571 | #else | |
572 | static inline int register_dsa_notifier(struct notifier_block *nb) | |
573 | { | |
574 | return 0; | |
575 | } | |
576 | ||
577 | static inline int unregister_dsa_notifier(struct notifier_block *nb) | |
578 | { | |
579 | return 0; | |
580 | } | |
581 | ||
582 | static inline int call_dsa_notifiers(unsigned long val, struct net_device *dev, | |
583 | struct dsa_notifier_info *info) | |
584 | { | |
585 | return NOTIFY_DONE; | |
586 | } | |
587 | #endif | |
588 | ||
0a5f14ce FF |
589 | /* Broadcom tag specific helpers to insert and extract queue/port number */ |
590 | #define BRCM_TAG_SET_PORT_QUEUE(p, q) ((p) << 8 | q) | |
591 | #define BRCM_TAG_GET_PORT(v) ((v) >> 8) | |
592 | #define BRCM_TAG_GET_QUEUE(v) ((v) & 0xff) | |
593 | ||
cf963573 FF |
594 | |
595 | int dsa_port_get_phy_strings(struct dsa_port *dp, uint8_t *data); | |
596 | int dsa_port_get_ethtool_phy_stats(struct dsa_port *dp, uint64_t *data); | |
597 | int dsa_port_get_phy_sset_count(struct dsa_port *dp); | |
598 | ||
91da11f8 | 599 | #endif |